-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
//
-// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
-// SMESH SMESH : idl implementation based on 'SMESH' unit's classes
+
// File : SMESH_MeshEditor.cxx
// Created : Mon Apr 12 16:10:22 2004
// Author : Edward AGAPOV (eap)
-//
+
#include "SMESH_MeshEditor.hxx"
#include "SMDS_FaceOfNodes.hxx"
#include "SMDS_VolumeTool.hxx"
#include "SMDS_EdgePosition.hxx"
-#include "SMDS_PolyhedralVolumeOfNodes.hxx"
#include "SMDS_FacePosition.hxx"
#include "SMDS_SpacePosition.hxx"
-#include "SMDS_QuadraticFaceOfNodes.hxx"
#include "SMDS_MeshGroup.hxx"
+#include "SMDS_LinearEdge.hxx"
+#include "SMDS_Downward.hxx"
+#include "SMDS_SetIterator.hxx"
#include "SMESHDS_Group.hxx"
#include "SMESHDS_Mesh.hxx"
-#include "SMESH_subMesh.hxx"
+#include "SMESH_Algo.hxx"
#include "SMESH_ControlsDef.hxx"
+#include "SMESH_Group.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_OctreeNode.hxx"
-#include "SMESH_Group.hxx"
+#include "SMESH_subMesh.hxx"
+
+#include <Basics_OCCTVersion.hxx>
#include "utilities.h"
-#include <BRep_Tool.hxx>
+#include <BRepAdaptor_Surface.hxx>
+#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
+#include <BRep_Tool.hxx>
#include <ElCLib.hxx>
#include <Extrema_GenExtPS.hxx>
+#include <Extrema_POnCurv.hxx>
#include <Extrema_POnSurf.hxx>
+#include <GC_MakeSegment.hxx>
#include <Geom2d_Curve.hxx>
+#include <GeomAPI_ExtremaCurveCurve.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <Geom_Curve.hxx>
+#include <Geom_Line.hxx>
#include <Geom_Surface.hxx>
+#include <IntAna_IntConicQuad.hxx>
+#include <IntAna_Quadric.hxx>
#include <Precision.hxx>
#include <TColStd_ListOfInteger.hxx>
#include <TopAbs_State.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
+#include <TopoDS_Solid.hxx>
#include <gp.hxx>
#include <gp_Ax1.hxx>
#include <gp_Dir.hxx>
#include <gp_Vec.hxx>
#include <gp_XY.hxx>
#include <gp_XYZ.hxx>
-#include <math.h>
+
+#include <cmath>
#include <map>
#include <set>
#include <numeric>
#include <limits>
+#include <algorithm>
+#include <sstream>
+
+#include <boost/tuple/tuple.hpp>
+
+#include <Standard_Failure.hxx>
+#include <Standard_ErrorHandler.hxx>
#define cast2Node(elem) static_cast<const SMDS_MeshNode*>( elem )
typedef map<const SMDS_MeshElement*, list<const SMDS_MeshNode*> > TElemOfNodeListMap;
typedef map<const SMDS_MeshElement*, list<const SMDS_MeshElement*> > TElemOfElemListMap;
-//typedef map<const SMDS_MeshNode*, vector<const SMDS_MeshNode*> > TNodeOfNodeVecMap;
-//typedef TNodeOfNodeVecMap::iterator TNodeOfNodeVecMapItr;
-//typedef map<const SMDS_MeshElement*, vector<TNodeOfNodeVecMapItr> > TElemOfVecOfMapNodesMap;
-
-//=======================================================================
-/*!
- * \brief SMDS_MeshNode -> gp_XYZ convertor
- */
-//=======================================================================
-struct TNodeXYZ : public gp_XYZ
-{
- TNodeXYZ( const SMDS_MeshNode* n ):gp_XYZ( n->X(), n->Y(), n->Z() ) {}
- double Distance( const SMDS_MeshNode* n )
- {
- return gp_Vec( *this, TNodeXYZ( n )).Magnitude();
- }
- double SquareDistance( const SMDS_MeshNode* n )
- {
- return gp_Vec( *this, TNodeXYZ( n )).SquareMagnitude();
- }
-};
+typedef SMDS_SetIterator< SMDS_pElement, TIDSortedElemSet::const_iterator> TSetIterator;
//=======================================================================
//function : SMESH_MeshEditor
{
}
+//================================================================================
+/*!
+ * \brief Clears myLastCreatedNodes and myLastCreatedElems
+ */
+//================================================================================
+
+void SMESH_MeshEditor::CrearLastCreated()
+{
+ myLastCreatedNodes.Clear();
+ myLastCreatedElems.Clear();
+}
+
+
//=======================================================================
/*!
* \brief Add element
SMESH_MeshEditor::AddElement(const vector<const SMDS_MeshNode*> & node,
const SMDSAbs_ElementType type,
const bool isPoly,
- const int ID)
+ const int ID,
+ const double ballDiameter)
{
+ //MESSAGE("AddElement " <<node.size() << " " << type << " " << isPoly << " " << ID);
SMDS_MeshElement* e = 0;
int nbnode = node.size();
SMESHDS_Mesh* mesh = GetMeshDS();
switch ( type ) {
- case SMDSAbs_Edge:
- if ( nbnode == 2 )
- if ( ID ) e = mesh->AddEdgeWithID(node[0], node[1], ID);
- else e = mesh->AddEdge (node[0], node[1] );
- else if ( nbnode == 3 )
- if ( ID ) e = mesh->AddEdgeWithID(node[0], node[1], node[2], ID);
- else e = mesh->AddEdge (node[0], node[1], node[2] );
- break;
case SMDSAbs_Face:
if ( !isPoly ) {
- if (nbnode == 3)
- if ( ID ) e = mesh->AddFaceWithID(node[0], node[1], node[2], ID);
- else e = mesh->AddFace (node[0], node[1], node[2] );
- else if (nbnode == 4)
- if ( ID ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3], ID);
- else e = mesh->AddFace (node[0], node[1], node[2], node[3] );
- else if (nbnode == 6)
- if ( ID ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], ID);
- else e = mesh->AddFace (node[0], node[1], node[2], node[3],
- node[4], node[5] );
- else if (nbnode == 8)
- if ( ID ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7], ID);
- else e = mesh->AddFace (node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7] );
+ if (nbnode == 3) {
+ if ( ID >= 1 ) e = mesh->AddFaceWithID(node[0], node[1], node[2], ID);
+ else e = mesh->AddFace (node[0], node[1], node[2] );
+ }
+ else if (nbnode == 4) {
+ if ( ID >= 1 ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3], ID);
+ else e = mesh->AddFace (node[0], node[1], node[2], node[3] );
+ }
+ else if (nbnode == 6) {
+ if ( ID >= 1 ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], ID);
+ else e = mesh->AddFace (node[0], node[1], node[2], node[3],
+ node[4], node[5] );
+ }
+ else if (nbnode == 8) {
+ if ( ID >= 1 ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7], ID);
+ else e = mesh->AddFace (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7] );
+ }
+ else if (nbnode == 9) {
+ if ( ID >= 1 ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7], node[8], ID);
+ else e = mesh->AddFace (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7], node[8] );
+ }
} else {
- if ( ID ) e = mesh->AddPolygonalFaceWithID(node, ID);
- else e = mesh->AddPolygonalFace (node );
+ if ( ID >= 1 ) e = mesh->AddPolygonalFaceWithID(node, ID);
+ else e = mesh->AddPolygonalFace (node );
}
break;
+
case SMDSAbs_Volume:
if ( !isPoly ) {
- if (nbnode == 4)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3], ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3] );
- else if (nbnode == 5)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
- node[4], ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
- node[4] );
- else if (nbnode == 6)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
- node[4], node[5] );
- else if (nbnode == 8)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7], ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7] );
- else if (nbnode == 10)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9], ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9] );
- else if (nbnode == 13)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9], node[10],node[11],
- node[12],ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9], node[10],node[11],
- node[12] );
- else if (nbnode == 15)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9], node[10],node[11],
- node[12],node[13],node[14],ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9], node[10],node[11],
- node[12],node[13],node[14] );
- else if (nbnode == 20)
- if ( ID ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9], node[10],node[11],
- node[12],node[13],node[14],node[15],
- node[16],node[17],node[18],node[19],ID);
- else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
- node[4], node[5], node[6], node[7],
- node[8], node[9], node[10],node[11],
- node[12],node[13],node[14],node[15],
- node[16],node[17],node[18],node[19] );
+ if (nbnode == 4) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3], ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3] );
+ }
+ else if (nbnode == 5) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4] );
+ }
+ else if (nbnode == 6) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5] );
+ }
+ else if (nbnode == 8) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7], ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7] );
+ }
+ else if (nbnode == 10) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9] );
+ }
+ else if (nbnode == 12) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10], node[11], ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10], node[11] );
+ }
+ else if (nbnode == 13) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12],ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12] );
+ }
+ else if (nbnode == 15) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12],node[13],node[14],ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12],node[13],node[14] );
+ }
+ else if (nbnode == 20) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12],node[13],node[14],node[15],
+ node[16],node[17],node[18],node[19],ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12],node[13],node[14],node[15],
+ node[16],node[17],node[18],node[19] );
+ }
+ else if (nbnode == 27) {
+ if ( ID >= 1 ) e = mesh->AddVolumeWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12],node[13],node[14],node[15],
+ node[16],node[17],node[18],node[19],
+ node[20],node[21],node[22],node[23],
+ node[24],node[25],node[26], ID);
+ else e = mesh->AddVolume (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], node[7],
+ node[8], node[9], node[10],node[11],
+ node[12],node[13],node[14],node[15],
+ node[16],node[17],node[18],node[19],
+ node[20],node[21],node[22],node[23],
+ node[24],node[25],node[26] );
+ }
+ }
+ break;
+
+ case SMDSAbs_Edge:
+ if ( nbnode == 2 ) {
+ if ( ID >= 1 ) e = mesh->AddEdgeWithID(node[0], node[1], ID);
+ else e = mesh->AddEdge (node[0], node[1] );
+ }
+ else if ( nbnode == 3 ) {
+ if ( ID >= 1 ) e = mesh->AddEdgeWithID(node[0], node[1], node[2], ID);
+ else e = mesh->AddEdge (node[0], node[1], node[2] );
+ }
+ break;
+
+ case SMDSAbs_0DElement:
+ if ( nbnode == 1 ) {
+ if ( ID >= 1 ) e = mesh->Add0DElementWithID(node[0], ID);
+ else e = mesh->Add0DElement (node[0] );
}
+ break;
+
+ case SMDSAbs_Node:
+ if ( ID >= 1 ) e = mesh->AddNodeWithID(node[0]->X(), node[0]->Y(), node[0]->Z(), ID);
+ else e = mesh->AddNode (node[0]->X(), node[0]->Y(), node[0]->Z());
+ break;
+
+ case SMDSAbs_Ball:
+ if ( ID >= 1 ) e = mesh->AddBallWithID(node[0], ballDiameter, ID);
+ else e = mesh->AddBall (node[0], ballDiameter);
+ break;
+
+ default:;
}
+ if ( e ) myLastCreatedElems.Append( e );
return e;
}
// Modify a compute state of sub-meshes which become empty
//=======================================================================
-bool SMESH_MeshEditor::Remove (const list< int >& theIDs,
- const bool isNodes )
+int SMESH_MeshEditor::Remove (const list< int >& theIDs,
+ const bool isNodes )
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
SMESHDS_Mesh* aMesh = GetMeshDS();
set< SMESH_subMesh *> smmap;
+ int removed = 0;
list<int>::const_iterator it = theIDs.begin();
for ( ; it != theIDs.end(); it++ ) {
const SMDS_MeshElement * elem;
if ( isNodes ) {
const SMDS_MeshNode* node = cast2Node( elem );
if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
- if ( int aShapeID = node->GetPosition()->GetShapeId() )
+ if ( int aShapeID = node->getshapeId() )
if ( SMESH_subMesh * sm = GetMesh()->GetSubMeshContaining( aShapeID ) )
smmap.insert( sm );
}
aMesh->RemoveNode( static_cast< const SMDS_MeshNode* >( elem ));
else
aMesh->RemoveElement( elem );
+ removed++;
}
// Notify sub-meshes about modification
// if ( SMESH_subMesh * sm = GetMesh()->GetSubMeshContaining( 1 ) )
// sm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
- return true;
+ return removed;
+}
+
+//================================================================================
+/*!
+ * \brief Create 0D elements on all nodes of the given object except those
+ * nodes on which a 0D element already exists.
+ * \param elements - Elements on whose nodes to create 0D elements; if empty,
+ * the all mesh is treated
+ * \param all0DElems - returns all 0D elements found or created on nodes of \a elements
+ */
+//================================================================================
+
+void SMESH_MeshEditor::Create0DElementsOnAllNodes( const TIDSortedElemSet& elements,
+ TIDSortedElemSet& all0DElems )
+{
+ typedef SMDS_SetIterator<const SMDS_MeshElement*, TIDSortedElemSet::const_iterator> TSetIterator;
+ SMDS_ElemIteratorPtr elemIt;
+ if ( elements.empty() )
+ elemIt = GetMeshDS()->elementsIterator( SMDSAbs_Node );
+ else
+ elemIt = SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+
+ while ( elemIt->more() )
+ {
+ const SMDS_MeshElement* e = elemIt->next();
+ SMDS_ElemIteratorPtr nodeIt = e->nodesIterator();
+ while ( nodeIt->more() )
+ {
+ const SMDS_MeshNode* n = cast2Node( nodeIt->next() );
+ SMDS_ElemIteratorPtr it0D = n->GetInverseElementIterator( SMDSAbs_0DElement );
+ if ( it0D->more() )
+ all0DElems.insert( it0D->next() );
+ else {
+ myLastCreatedElems.Append( GetMeshDS()->Add0DElement( n ));
+ all0DElems.insert( myLastCreatedElems.Last() );
+ }
+ }
+ }
}
//=======================================================================
if ( aMesh->ShapeToMesh().IsNull() )
return 0;
+ int aShapeID = theElem->getshapeId();
+ if ( aShapeID < 1 )
+ return 0;
+
+ if ( SMESHDS_SubMesh * sm = aMesh->MeshElements( aShapeID ))
+ if ( sm->Contains( theElem ))
+ return aShapeID;
+
if ( theElem->GetType() == SMDSAbs_Node ) {
- const SMDS_PositionPtr& aPosition =
- static_cast<const SMDS_MeshNode*>( theElem )->GetPosition();
- if ( aPosition.get() )
- return aPosition->GetShapeId();
- else
- return 0;
+ MESSAGE( ":( Error: invalid myShapeId of node " << theElem->GetID() );
+ }
+ else {
+ MESSAGE( ":( Error: invalid myShapeId of element " << theElem->GetID() );
}
- TopoDS_Shape aShape; // the shape a node is on
- SMDS_ElemIteratorPtr nodeIt = theElem->nodesIterator();
- while ( nodeIt->more() ) {
- const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
- const SMDS_PositionPtr& aPosition = node->GetPosition();
- if ( aPosition.get() ) {
- int aShapeID = aPosition->GetShapeId();
- SMESHDS_SubMesh * sm = aMesh->MeshElements( aShapeID );
- if ( sm ) {
- if ( sm->Contains( theElem ))
- return aShapeID;
- if ( aShape.IsNull() )
- aShape = aMesh->IndexToShape( aShapeID );
- }
- else {
- //MESSAGE ( "::FindShape() No SubShape for aShapeID " << aShapeID );
+ TopoDS_Shape aShape; // the shape a node of theElem is on
+ if ( theElem->GetType() != SMDSAbs_Node )
+ {
+ SMDS_ElemIteratorPtr nodeIt = theElem->nodesIterator();
+ while ( nodeIt->more() ) {
+ const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
+ if ((aShapeID = node->getshapeId()) > 0) {
+ if ( SMESHDS_SubMesh * sm = aMesh->MeshElements( aShapeID ) ) {
+ if ( sm->Contains( theElem ))
+ return aShapeID;
+ if ( aShape.IsNull() )
+ aShape = aMesh->IndexToShape( aShapeID );
+ }
}
}
}
// None of nodes is on a proper shape,
// find the shape among ancestors of aShape on which a node is
- if ( aShape.IsNull() ) {
- //MESSAGE ("::FindShape() - NONE node is on shape")
- return 0;
+ if ( !aShape.IsNull() ) {
+ TopTools_ListIteratorOfListOfShape ancIt( GetMesh()->GetAncestors( aShape ));
+ for ( ; ancIt.More(); ancIt.Next() ) {
+ SMESHDS_SubMesh * sm = aMesh->MeshElements( ancIt.Value() );
+ if ( sm && sm->Contains( theElem ))
+ return aMesh->ShapeToIndex( ancIt.Value() );
+ }
}
- TopTools_ListIteratorOfListOfShape ancIt( GetMesh()->GetAncestors( aShape ));
- for ( ; ancIt.More(); ancIt.Next() ) {
- SMESHDS_SubMesh * sm = aMesh->MeshElements( ancIt.Value() );
- if ( sm && sm->Contains( theElem ))
- return aMesh->ShapeToIndex( ancIt.Value() );
+ else
+ {
+ const map<int,SMESHDS_SubMesh*>& id2sm = GetMeshDS()->SubMeshes();
+ map<int,SMESHDS_SubMesh*>::const_iterator id_sm = id2sm.begin();
+ for ( ; id_sm != id2sm.end(); ++id_sm )
+ if ( id_sm->second->Contains( theElem ))
+ return id_sm->first;
}
//MESSAGE ("::FindShape() - SHAPE NOT FOUND")
aNodes[5] = nd2;
}
+//=======================================================================
+//function : edgeConnectivity
+//purpose : auxilary
+// return number of the edges connected with the theNode.
+// if theEdges has connections with the other type of the
+// elements, return -1
+//=======================================================================
+static int nbEdgeConnectivity(const SMDS_MeshNode* theNode)
+{
+ SMDS_ElemIteratorPtr elemIt = theNode->GetInverseElementIterator();
+ int nb=0;
+ while(elemIt->more()) {
+ elemIt->next();
+ nb++;
+ }
+ return nb;
+}
+
+
//=======================================================================
//function : GetNodesFromTwoTria
//purpose : auxilary
bool SMESH_MeshEditor::InverseDiag (const SMDS_MeshElement * theTria1,
const SMDS_MeshElement * theTria2 )
{
+ MESSAGE("InverseDiag");
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
if (!theTria1 || !theTria2)
return false;
- const SMDS_FaceOfNodes* F1 = dynamic_cast<const SMDS_FaceOfNodes*>( theTria1 );
- const SMDS_FaceOfNodes* F2 = dynamic_cast<const SMDS_FaceOfNodes*>( theTria2 );
- if (F1 && F2) {
+ const SMDS_VtkFace* F1 = dynamic_cast<const SMDS_VtkFace*>( theTria1 );
+ if (!F1) return false;
+ const SMDS_VtkFace* F2 = dynamic_cast<const SMDS_VtkFace*>( theTria2 );
+ if (!F2) return false;
+ if ((theTria1->GetEntityType() == SMDSEntity_Triangle) &&
+ (theTria2->GetEntityType() == SMDSEntity_Triangle)) {
// 1 +--+ A theTria1: ( 1 A B ) A->2 ( 1 2 B ) 1 +--+ A
// | /| theTria2: ( B A 2 ) B->1 ( 1 A 2 ) |\ |
// find indices of 1,2 and of A,B in theTria1
int iA = 0, iB = 0, i1 = 0, i2 = 0;
for ( i = 0; i < 6; i++ ) {
- if ( sameInd [ i ] == 0 )
+ if ( sameInd [ i ] == 0 ) {
if ( i < 3 ) i1 = i;
else i2 = i;
- else if (i < 3)
+ }
+ else if (i < 3) {
if ( iA ) iB = i;
else iA = i;
+ }
}
// nodes 1 and 2 should not be the same
if ( aNodes[ i1 ] == aNodes[ i2 ] )
// theTria2: B->1
aNodes[ sameInd[ iB ]] = aNodes[ i1 ];
- //MESSAGE( theTria1 << theTria2 );
-
GetMeshDS()->ChangeElementNodes( theTria1, aNodes, 3 );
GetMeshDS()->ChangeElementNodes( theTria2, &aNodes[ 3 ], 3 );
- //MESSAGE( theTria1 << theTria2 );
-
return true;
} // end if(F1 && F2)
// check case of quadratic faces
- const SMDS_QuadraticFaceOfNodes* QF1 =
- dynamic_cast<const SMDS_QuadraticFaceOfNodes*> (theTria1);
- if(!QF1) return false;
- const SMDS_QuadraticFaceOfNodes* QF2 =
- dynamic_cast<const SMDS_QuadraticFaceOfNodes*> (theTria2);
- if(!QF2) return false;
+ if (theTria1->GetEntityType() != SMDSEntity_Quad_Triangle)
+ return false;
+ if (theTria2->GetEntityType() != SMDSEntity_Quad_Triangle)
+ return false;
// 5
// 1 +--+--+ 2 theTria1: (1 2 4 5 9 7) or (2 4 1 9 7 5) or (4 1 2 7 5 9)
it = theNode2->GetInverseElementIterator(SMDSAbs_Face);
while (it->more()) {
const SMDS_MeshElement* elem = it->next();
- if ( emap.find( elem ) != emap.end() )
+ if ( emap.find( elem ) != emap.end() ) {
if ( theTria1 ) {
// theTria1 must be element with minimum ID
if( theTria1->GetID() < elem->GetID() ) {
else {
theTria1 = elem;
}
+ }
}
return ( theTria1 && theTria2 );
}
if ( !findTriangles( theNode1, theNode2, tr1, tr2 ))
return false;
- const SMDS_FaceOfNodes* F1 = dynamic_cast<const SMDS_FaceOfNodes*>( tr1 );
- //if (!F1) return false;
- const SMDS_FaceOfNodes* F2 = dynamic_cast<const SMDS_FaceOfNodes*>( tr2 );
- //if (!F2) return false;
- if (F1 && F2) {
+ const SMDS_VtkFace* F1 = dynamic_cast<const SMDS_VtkFace*>( tr1 );
+ if (!F1) return false;
+ const SMDS_VtkFace* F2 = dynamic_cast<const SMDS_VtkFace*>( tr2 );
+ if (!F2) return false;
+ if ((tr1->GetEntityType() == SMDSEntity_Triangle) &&
+ (tr2->GetEntityType() == SMDSEntity_Triangle)) {
// 1 +--+ A tr1: ( 1 A B ) A->2 ( 1 2 B ) 1 +--+ A
// | /| tr2: ( B A 2 ) B->1 ( 1 A 2 ) |\ |
// tr2: B->1
aNodes2[ iB2 ] = aNodes1[ i1 ];
- //MESSAGE( tr1 << tr2 );
-
GetMeshDS()->ChangeElementNodes( tr1, aNodes1, 3 );
GetMeshDS()->ChangeElementNodes( tr2, aNodes2, 3 );
- //MESSAGE( tr1 << tr2 );
-
return true;
}
// check case of quadratic faces
- const SMDS_QuadraticFaceOfNodes* QF1 =
- dynamic_cast<const SMDS_QuadraticFaceOfNodes*> (tr1);
- if(!QF1) return false;
- const SMDS_QuadraticFaceOfNodes* QF2 =
- dynamic_cast<const SMDS_QuadraticFaceOfNodes*> (tr2);
- if(!QF2) return false;
return InverseDiag(tr1,tr2);
}
if ( !findTriangles( theNode1, theNode2, tr1, tr2 ))
return false;
- const SMDS_FaceOfNodes* F1 = dynamic_cast<const SMDS_FaceOfNodes*>( tr1 );
- //if (!F1) return false;
- const SMDS_FaceOfNodes* F2 = dynamic_cast<const SMDS_FaceOfNodes*>( tr2 );
- //if (!F2) return false;
- if (F1 && F2) {
+ const SMDS_VtkFace* F1 = dynamic_cast<const SMDS_VtkFace*>( tr1 );
+ if (!F1) return false;
+ const SMDS_VtkFace* F2 = dynamic_cast<const SMDS_VtkFace*>( tr2 );
+ if (!F2) return false;
+ SMESHDS_Mesh * aMesh = GetMeshDS();
+
+ if ((tr1->GetEntityType() == SMDSEntity_Triangle) &&
+ (tr2->GetEntityType() == SMDSEntity_Triangle)) {
const SMDS_MeshNode* aNodes [ 4 ];
if ( ! getQuadrangleNodes( aNodes, theNode1, theNode2, tr1, tr2 ))
return false;
- //MESSAGE( endl << tr1 << tr2 );
-
- GetMeshDS()->ChangeElementNodes( tr1, aNodes, 4 );
- myLastCreatedElems.Append(tr1);
- GetMeshDS()->RemoveElement( tr2 );
-
- //MESSAGE( endl << tr1 );
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddFace( aNodes[0], aNodes[1], aNodes[2], aNodes[3] );
+ myLastCreatedElems.Append(newElem);
+ AddToSameGroups( newElem, tr1, aMesh );
+ int aShapeId = tr1->getshapeId();
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ }
+ aMesh->RemoveElement( tr1 );
+ aMesh->RemoveElement( tr2 );
return true;
}
// check case of quadratic faces
- const SMDS_QuadraticFaceOfNodes* QF1 =
- dynamic_cast<const SMDS_QuadraticFaceOfNodes*> (tr1);
- if(!QF1) return false;
- const SMDS_QuadraticFaceOfNodes* QF2 =
- dynamic_cast<const SMDS_QuadraticFaceOfNodes*> (tr2);
- if(!QF2) return false;
+ if (tr1->GetEntityType() != SMDSEntity_Quad_Triangle)
+ return false;
+ if (tr2->GetEntityType() != SMDSEntity_Quad_Triangle)
+ return false;
// 5
// 1 +--+--+ 2 tr1: (1 2 4 5 9 7) or (2 4 1 9 7 5) or (4 1 2 7 5 9)
aNodes[6] = N2[3];
aNodes[7] = N1[5];
- GetMeshDS()->ChangeElementNodes( tr1, aNodes, 8 );
- myLastCreatedElems.Append(tr1);
- GetMeshDS()->RemoveElement( tr2 );
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddFace( aNodes[0], aNodes[1], aNodes[2], aNodes[3],
+ aNodes[4], aNodes[5], aNodes[6], aNodes[7]);
+ myLastCreatedElems.Append(newElem);
+ AddToSameGroups( newElem, tr1, aMesh );
+ int aShapeId = tr1->getshapeId();
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ }
+ aMesh->RemoveElement( tr1 );
+ aMesh->RemoveElement( tr2 );
// remove middle node (9)
GetMeshDS()->RemoveNode( N1[4] );
bool SMESH_MeshEditor::Reorient (const SMDS_MeshElement * theElem)
{
+ MESSAGE("Reorient");
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
}
case SMDSAbs_Volume: {
if (theElem->IsPoly()) {
- const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
- static_cast<const SMDS_PolyhedralVolumeOfNodes*>( theElem );
+ // TODO reorient vtk polyhedron
+ MESSAGE("reorient vtk polyhedron ?");
+ const SMDS_VtkVolume* aPolyedre =
+ dynamic_cast<const SMDS_VtkVolume*>( theElem );
if (!aPolyedre) {
MESSAGE("Warning: bad volumic element");
return false;
if ( !vTool.Set( theElem ))
return false;
vTool.Inverse();
+ MESSAGE("ChangeElementNodes reorient: check vTool.Inverse");
return GetMeshDS()->ChangeElementNodes( theElem, vTool.GetNodes(), vTool.NbNodes() );
}
}
return false;
}
+//================================================================================
+/*!
+ * \brief Reorient faces.
+ * \param theFaces - the faces to reorient. If empty the whole mesh is meant
+ * \param theDirection - desired direction of normal of \a theFace
+ * \param theFace - one of \a theFaces that sould be oriented according to
+ * \a theDirection and whose orientation defines orientation of other faces
+ * \return number of reoriented faces.
+ */
+//================================================================================
+
+int SMESH_MeshEditor::Reorient2D (TIDSortedElemSet & theFaces,
+ const gp_Dir& theDirection,
+ const SMDS_MeshElement * theFace)
+{
+ int nbReori = 0;
+ if ( !theFace || theFace->GetType() != SMDSAbs_Face ) return nbReori;
+
+ if ( theFaces.empty() )
+ {
+ SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
+ while ( fIt->more() )
+ theFaces.insert( theFaces.end(), fIt->next() );
+ }
+
+ // orient theFace according to theDirection
+ gp_XYZ normal;
+ SMESH_Algo::FaceNormal( theFace, normal, /*normalized=*/false );
+ if ( normal * theDirection.XYZ() < 0 )
+ nbReori += Reorient( theFace );
+
+ // Orient other faces
+
+ set< const SMDS_MeshElement* > startFaces, visitedFaces;
+ TIDSortedElemSet avoidSet;
+ set< SMESH_TLink > checkedLinks;
+ pair< set< SMESH_TLink >::iterator, bool > linkIt_isNew;
+
+ if ( theFaces.size() > 1 )// leave 1 face to prevent finding not selected faces
+ theFaces.erase( theFace );
+ startFaces.insert( theFace );
+
+ int nodeInd1, nodeInd2;
+ const SMDS_MeshElement* otherFace;
+ vector< const SMDS_MeshElement* > facesNearLink;
+ vector< std::pair< int, int > > nodeIndsOfFace;
+
+ set< const SMDS_MeshElement* >::iterator startFace = startFaces.begin();
+ while ( !startFaces.empty() )
+ {
+ startFace = startFaces.begin();
+ theFace = *startFace;
+ startFaces.erase( startFace );
+ if ( !visitedFaces.insert( theFace ).second )
+ continue;
+
+ avoidSet.clear();
+ avoidSet.insert(theFace);
+
+ NLink link( theFace->GetNode( 0 ), 0 );
+
+ const int nbNodes = theFace->NbCornerNodes();
+ for ( int i = 0; i < nbNodes; ++i ) // loop on links of theFace
+ {
+ link.second = theFace->GetNode(( i+1 ) % nbNodes );
+ linkIt_isNew = checkedLinks.insert( link );
+ if ( !linkIt_isNew.second )
+ {
+ // link has already been checked and won't be encountered more
+ // if the group (theFaces) is manifold
+ //checkedLinks.erase( linkIt_isNew.first );
+ }
+ else
+ {
+ facesNearLink.clear();
+ nodeIndsOfFace.clear();
+ while (( otherFace = FindFaceInSet( link.first, link.second,
+ theFaces, avoidSet, &nodeInd1, &nodeInd2 )))
+ if ( otherFace != theFace)
+ {
+ facesNearLink.push_back( otherFace );
+ nodeIndsOfFace.push_back( make_pair( nodeInd1, nodeInd2 ));
+ avoidSet.insert( otherFace );
+ }
+ if ( facesNearLink.size() > 1 )
+ {
+ // NON-MANIFOLD mesh shell !
+ // select a face most co-directed with theFace,
+ // other faces won't be visited this time
+ gp_XYZ NF, NOF;
+ SMESH_Algo::FaceNormal( theFace, NF, /*normalized=*/false );
+ double proj, maxProj = -1;
+ for ( size_t i = 0; i < facesNearLink.size(); ++i ) {
+ SMESH_Algo::FaceNormal( facesNearLink[i], NOF, /*normalized=*/false );
+ if (( proj = Abs( NF * NOF )) > maxProj ) {
+ maxProj = proj;
+ otherFace = facesNearLink[i];
+ nodeInd1 = nodeIndsOfFace[i].first;
+ nodeInd2 = nodeIndsOfFace[i].second;
+ }
+ }
+ // not to visit rejected faces
+ for ( size_t i = 0; i < facesNearLink.size(); ++i )
+ if ( facesNearLink[i] != otherFace && theFaces.size() > 1 )
+ visitedFaces.insert( facesNearLink[i] );
+ }
+ else if ( facesNearLink.size() == 1 )
+ {
+ otherFace = facesNearLink[0];
+ nodeInd1 = nodeIndsOfFace.back().first;
+ nodeInd2 = nodeIndsOfFace.back().second;
+ }
+ if ( otherFace && otherFace != theFace)
+ {
+ // link must be reverse in otherFace if orientation ot otherFace
+ // is same as that of theFace
+ if ( abs(nodeInd2-nodeInd1) == 1 ? nodeInd2 > nodeInd1 : nodeInd1 > nodeInd2 )
+ {
+ nbReori += Reorient( otherFace );
+ }
+ startFaces.insert( otherFace );
+ }
+ }
+ std::swap( link.first, link.second ); // reverse the link
+ }
+ }
+ return nbReori;
+}
+
//=======================================================================
//function : getBadRate
//purpose :
const SMDS_MeshElement* elem = *itElem;
if ( !elem || elem->GetType() != SMDSAbs_Face )
continue;
- if ( elem->NbNodes() != ( elem->IsQuadratic() ? 8 : 4 ))
+ if ( elem->NbCornerNodes() != 4 )
continue;
// retrieve element nodes
- const SMDS_MeshNode* aNodes [8];
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- int i = 0;
- while ( itN->more() )
- aNodes[ i++ ] = static_cast<const SMDS_MeshNode*>( itN->next() );
+ vector< const SMDS_MeshNode* > aNodes( elem->begin_nodes(), elem->end_nodes() );
// compare two sets of possible triangles
double aBadRate1, aBadRate2; // to what extent a set is bad
aBadRate2 = getBadRate( &tr3, theCrit ) + getBadRate( &tr4, theCrit );
int aShapeId = FindShape( elem );
- const SMDS_MeshElement* newElem = 0;
+ const SMDS_MeshElement* newElem1 = 0;
+ const SMDS_MeshElement* newElem2 = 0;
if( !elem->IsQuadratic() ) {
// split liner quadrangle
-
+ // for MaxElementLength2D functor we return minimum diagonal for splitting,
+ // because aBadRate1=2*len(diagonal 1-3); aBadRate2=2*len(diagonal 2-4)
if ( aBadRate1 <= aBadRate2 ) {
// tr1 + tr2 is better
- aMesh->ChangeElementNodes( elem, aNodes, 3 );
- newElem = aMesh->AddFace( aNodes[2], aNodes[3], aNodes[0] );
+ newElem1 = aMesh->AddFace( aNodes[2], aNodes[3], aNodes[0] );
+ newElem2 = aMesh->AddFace( aNodes[2], aNodes[0], aNodes[1] );
}
else {
// tr3 + tr4 is better
- aMesh->ChangeElementNodes( elem, &aNodes[1], 3 );
- newElem = aMesh->AddFace( aNodes[3], aNodes[0], aNodes[1] );
+ newElem1 = aMesh->AddFace( aNodes[3], aNodes[0], aNodes[1] );
+ newElem2 = aMesh->AddFace( aNodes[3], aNodes[1], aNodes[2] );
}
}
else {
helper.SetSubShape( shape );
}
}
- // get elem nodes
- const SMDS_MeshNode* aNodes [8];
- const SMDS_MeshNode* inFaceNode = 0;
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- int i = 0;
- while ( itN->more() ) {
- aNodes[ i++ ] = static_cast<const SMDS_MeshNode*>( itN->next() );
- if ( !inFaceNode && helper.GetNodeUVneedInFaceNode() &&
- aNodes[ i-1 ]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
- {
- inFaceNode = aNodes[ i-1 ];
- }
- }
// find middle point for (0,1,2,3)
// and create a node in this point;
- gp_XYZ p( 0,0,0 );
- if ( surface.IsNull() ) {
- for(i=0; i<4; i++)
- p += gp_XYZ(aNodes[i]->X(), aNodes[i]->Y(), aNodes[i]->Z() );
- p /= 4;
+ const SMDS_MeshNode* newN = 0;
+ if ( aNodes.size() == 9 )
+ {
+ // SMDSEntity_BiQuad_Quadrangle
+ newN = aNodes.back();
}
- else {
- TopoDS_Face face = TopoDS::Face( helper.GetSubShape() );
- gp_XY uv( 0,0 );
- for(i=0; i<4; i++)
- uv += helper.GetNodeUV( face, aNodes[i], inFaceNode );
- uv /= 4.;
- p = surface->Value( uv.X(), uv.Y() ).XYZ();
+ else
+ {
+ gp_XYZ p( 0,0,0 );
+ if ( surface.IsNull() )
+ {
+ for ( int i = 0; i < 4; i++ )
+ p += gp_XYZ(aNodes[i]->X(), aNodes[i]->Y(), aNodes[i]->Z() );
+ p /= 4;
+ }
+ else
+ {
+ const SMDS_MeshNode* inFaceNode = 0;
+ if ( helper.GetNodeUVneedInFaceNode() )
+ for ( size_t i = 0; i < aNodes.size() && !inFaceNode; ++i )
+ if ( aNodes[ i ]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
+ inFaceNode = aNodes[ i ];
+
+ TopoDS_Face face = TopoDS::Face( helper.GetSubShape() );
+ gp_XY uv( 0,0 );
+ for ( int i = 0; i < 4; i++ )
+ uv += helper.GetNodeUV( face, aNodes[i], inFaceNode );
+ uv /= 4.;
+ p = surface->Value( uv.X(), uv.Y() ).XYZ();
+ }
+ newN = aMesh->AddNode( p.X(), p.Y(), p.Z() );
+ myLastCreatedNodes.Append(newN);
}
- const SMDS_MeshNode* newN = aMesh->AddNode( p.X(), p.Y(), p.Z() );
- myLastCreatedNodes.Append(newN);
-
// create a new element
- const SMDS_MeshNode* N[6];
if ( aBadRate1 <= aBadRate2 ) {
- N[0] = aNodes[0];
- N[1] = aNodes[1];
- N[2] = aNodes[2];
- N[3] = aNodes[4];
- N[4] = aNodes[5];
- N[5] = newN;
- newElem = aMesh->AddFace(aNodes[2], aNodes[3], aNodes[0],
- aNodes[6], aNodes[7], newN );
+ newElem1 = aMesh->AddFace(aNodes[2], aNodes[3], aNodes[0],
+ aNodes[6], aNodes[7], newN );
+ newElem2 = aMesh->AddFace(aNodes[2], aNodes[0], aNodes[1],
+ newN, aNodes[4], aNodes[5] );
}
else {
- N[0] = aNodes[1];
- N[1] = aNodes[2];
- N[2] = aNodes[3];
- N[3] = aNodes[5];
- N[4] = aNodes[6];
- N[5] = newN;
- newElem = aMesh->AddFace(aNodes[3], aNodes[0], aNodes[1],
- aNodes[7], aNodes[4], newN );
+ newElem1 = aMesh->AddFace(aNodes[3], aNodes[0], aNodes[1],
+ aNodes[7], aNodes[4], newN );
+ newElem2 = aMesh->AddFace(aNodes[3], aNodes[1], aNodes[2],
+ newN, aNodes[5], aNodes[6] );
}
- aMesh->ChangeElementNodes( elem, N, 6 );
-
} // quadratic case
// care of a new element
- myLastCreatedElems.Append(newElem);
- AddToSameGroups( newElem, elem, aMesh );
+ myLastCreatedElems.Append(newElem1);
+ myLastCreatedElems.Append(newElem2);
+ AddToSameGroups( newElem1, elem, aMesh );
+ AddToSameGroups( newElem2, elem, aMesh );
// put a new triangle on the same shape
if ( aShapeId )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ {
+ aMesh->SetMeshElementOnShape( newElem1, aShapeId );
+ aMesh->SetMeshElementOnShape( newElem2, aShapeId );
+ }
+ aMesh->RemoveElement( elem );
}
return true;
}
//function : BestSplit
//purpose : Find better diagonal for cutting.
//=======================================================================
+
int SMESH_MeshEditor::BestSplit (const SMDS_MeshElement* theQuad,
SMESH::Controls::NumericalFunctorPtr theCrit)
{
SMDS_FaceOfNodes tr3 ( aNodes[1], aNodes[2], aNodes[3] );
SMDS_FaceOfNodes tr4 ( aNodes[3], aNodes[0], aNodes[1] );
aBadRate2 = getBadRate( &tr3, theCrit ) + getBadRate( &tr4, theCrit );
-
+ // for MaxElementLength2D functor we return minimum diagonal for splitting,
+ // because aBadRate1=2*len(diagonal 1-3); aBadRate2=2*len(diagonal 2-4)
if (aBadRate1 <= aBadRate2) // tr1 + tr2 is better
return 1; // diagonal 1-3
return -1;
}
-//=======================================================================
-//function : AddToSameGroups
-//purpose : add elemToAdd to the groups the elemInGroups belongs to
-//=======================================================================
-
-void SMESH_MeshEditor::AddToSameGroups (const SMDS_MeshElement* elemToAdd,
- const SMDS_MeshElement* elemInGroups,
- SMESHDS_Mesh * aMesh)
+namespace
{
- const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
- if (!groups.empty()) {
- set<SMESHDS_GroupBase*>::const_iterator grIt = groups.begin();
- for ( ; grIt != groups.end(); grIt++ ) {
- SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
- if ( group && group->Contains( elemInGroups ))
- group->SMDSGroup().Add( elemToAdd );
- }
- }
-}
+ // Methods of splitting volumes into tetra
-
-//=======================================================================
-//function : RemoveElemFromGroups
-//purpose : Remove removeelem to the groups the elemInGroups belongs to
-//=======================================================================
-void SMESH_MeshEditor::RemoveElemFromGroups (const SMDS_MeshElement* removeelem,
- SMESHDS_Mesh * aMesh)
-{
- const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
- if (!groups.empty())
- {
- set<SMESHDS_GroupBase*>::const_iterator GrIt = groups.begin();
- for (; GrIt != groups.end(); GrIt++)
+ const int theHexTo5_1[5*4+1] =
{
- SMESHDS_Group* grp = dynamic_cast<SMESHDS_Group*>(*GrIt);
- if (!grp || grp->IsEmpty()) continue;
- grp->SMDSGroup().Remove(removeelem);
- }
- }
-}
-
-//=======================================================================
-//function : ReplaceElemInGroups
-//purpose : replace elemToRm by elemToAdd in the all groups
-//=======================================================================
+ 0, 1, 2, 5, 0, 4, 5, 7, 0, 2, 3, 7, 2, 5, 6, 7, 0, 5, 2, 7, -1
+ };
+ const int theHexTo5_2[5*4+1] =
+ {
+ 1, 2, 3, 6, 1, 4, 5, 6, 0, 1, 3, 4, 3, 4, 6, 7, 1, 3, 4, 6, -1
+ };
+ const int* theHexTo5[2] = { theHexTo5_1, theHexTo5_2 };
-void SMESH_MeshEditor::ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
- const SMDS_MeshElement* elemToAdd,
- SMESHDS_Mesh * aMesh)
-{
- const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
- if (!groups.empty()) {
- set<SMESHDS_GroupBase*>::const_iterator grIt = groups.begin();
- for ( ; grIt != groups.end(); grIt++ ) {
- SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
- if ( group && group->SMDSGroup().Remove( elemToRm ) && elemToAdd )
- group->SMDSGroup().Add( elemToAdd );
+ const int theHexTo6_1[6*4+1] =
+ {
+ 1, 5, 6, 0, 0, 1, 2, 6, 0, 4, 5, 6, 0, 4, 6, 7, 0, 2, 3, 6, 0, 3, 7, 6, -1
+ };
+ const int theHexTo6_2[6*4+1] =
+ {
+ 2, 6, 7, 1, 1, 2, 3, 7, 1, 5, 6, 7, 1, 5, 7, 4, 1, 3, 0, 7, 1, 0, 4, 7, -1
+ };
+ const int theHexTo6_3[6*4+1] =
+ {
+ 3, 7, 4, 2, 2, 3, 0, 4, 2, 6, 7, 4, 2, 6, 4, 5, 2, 0, 1, 4, 2, 1, 5, 4, -1
+ };
+ const int theHexTo6_4[6*4+1] =
+ {
+ 0, 4, 5, 3, 3, 0, 1, 5, 3, 7, 4, 5, 3, 7, 5, 6, 3, 1, 2, 5, 3, 2, 6, 5, -1
+ };
+ const int* theHexTo6[4] = { theHexTo6_1, theHexTo6_2, theHexTo6_3, theHexTo6_4 };
+
+ const int thePyraTo2_1[2*4+1] =
+ {
+ 0, 1, 2, 4, 0, 2, 3, 4, -1
+ };
+ const int thePyraTo2_2[2*4+1] =
+ {
+ 1, 2, 3, 4, 1, 3, 0, 4, -1
+ };
+ const int* thePyraTo2[2] = { thePyraTo2_1, thePyraTo2_2 };
+
+ const int thePentaTo3_1[3*4+1] =
+ {
+ 0, 1, 2, 3, 1, 3, 4, 2, 2, 3, 4, 5, -1
+ };
+ const int thePentaTo3_2[3*4+1] =
+ {
+ 1, 2, 0, 4, 2, 4, 5, 0, 0, 4, 5, 3, -1
+ };
+ const int thePentaTo3_3[3*4+1] =
+ {
+ 2, 0, 1, 5, 0, 5, 3, 1, 1, 5, 3, 4, -1
+ };
+ const int thePentaTo3_4[3*4+1] =
+ {
+ 0, 1, 2, 3, 1, 3, 4, 5, 2, 3, 1, 5, -1
+ };
+ const int thePentaTo3_5[3*4+1] =
+ {
+ 1, 2, 0, 4, 2, 4, 5, 3, 0, 4, 2, 3, -1
+ };
+ const int thePentaTo3_6[3*4+1] =
+ {
+ 2, 0, 1, 5, 0, 5, 3, 4, 1, 5, 0, 4, -1
+ };
+ const int* thePentaTo3[6] = { thePentaTo3_1, thePentaTo3_2, thePentaTo3_3,
+ thePentaTo3_4, thePentaTo3_5, thePentaTo3_6 };
+
+ struct TTriangleFacet //!< stores indices of three nodes of tetra facet
+ {
+ int _n1, _n2, _n3;
+ TTriangleFacet(int n1, int n2, int n3): _n1(n1), _n2(n2), _n3(n3) {}
+ bool contains(int n) const { return ( n == _n1 || n == _n2 || n == _n3 ); }
+ bool hasAdjacentTetra( const SMDS_MeshElement* elem ) const;
+ };
+ struct TSplitMethod
+ {
+ int _nbTetra;
+ const int* _connectivity; //!< foursomes of tetra connectivy finished by -1
+ bool _baryNode; //!< additional node is to be created at cell barycenter
+ bool _ownConn; //!< to delete _connectivity in destructor
+ map<int, const SMDS_MeshNode*> _faceBaryNode; //!< map face index to node at BC of face
+
+ TSplitMethod( int nbTet=0, const int* conn=0, bool addNode=false)
+ : _nbTetra(nbTet), _connectivity(conn), _baryNode(addNode), _ownConn(false) {}
+ ~TSplitMethod() { if ( _ownConn ) delete [] _connectivity; _connectivity = 0; }
+ bool hasFacet( const TTriangleFacet& facet ) const
+ {
+ const int* tetConn = _connectivity;
+ for ( ; tetConn[0] >= 0; tetConn += 4 )
+ if (( facet.contains( tetConn[0] ) +
+ facet.contains( tetConn[1] ) +
+ facet.contains( tetConn[2] ) +
+ facet.contains( tetConn[3] )) == 3 )
+ return true;
+ return false;
}
- }
-}
+ };
-//=======================================================================
-//function : QuadToTri
-//purpose : Cut quadrangles into triangles.
-// theCrit is used to select a diagonal to cut
-//=======================================================================
+ //=======================================================================
+ /*!
+ * \brief return TSplitMethod for the given element
+ */
+ //=======================================================================
-bool SMESH_MeshEditor::QuadToTri (TIDSortedElemSet & theElems,
- const bool the13Diag)
-{
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
+ TSplitMethod getSplitMethod( SMDS_VolumeTool& vol, const int theMethodFlags)
+ {
+ const int iQ = vol.Element()->IsQuadratic() ? 2 : 1;
- MESSAGE( "::QuadToTri()" );
+ // at HEXA_TO_24 method, each face of volume is split into triangles each based on
+ // an edge and a face barycenter; tertaherdons are based on triangles and
+ // a volume barycenter
+ const bool is24TetMode = ( theMethodFlags == SMESH_MeshEditor::HEXA_TO_24 );
- SMESHDS_Mesh * aMesh = GetMeshDS();
+ // Find out how adjacent volumes are split
- Handle(Geom_Surface) surface;
- SMESH_MesherHelper helper( *GetMesh() );
+ vector < list< TTriangleFacet > > triaSplitsByFace( vol.NbFaces() ); // splits of each side
+ int hasAdjacentSplits = 0, maxTetConnSize = 0;
+ for ( int iF = 0; iF < vol.NbFaces(); ++iF )
+ {
+ int nbNodes = vol.NbFaceNodes( iF ) / iQ;
+ maxTetConnSize += 4 * ( nbNodes - (is24TetMode ? 0 : 2));
+ if ( nbNodes < 4 ) continue;
- TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
- const SMDS_MeshElement* elem = *itElem;
- if ( !elem || elem->GetType() != SMDSAbs_Face )
- continue;
- bool isquad = elem->NbNodes()==4 || elem->NbNodes()==8;
- if(!isquad) continue;
+ list< TTriangleFacet >& triaSplits = triaSplitsByFace[ iF ];
+ const int* nInd = vol.GetFaceNodesIndices( iF );
+ if ( nbNodes == 4 )
+ {
+ TTriangleFacet t012( nInd[0*iQ], nInd[1*iQ], nInd[2*iQ] );
+ TTriangleFacet t123( nInd[1*iQ], nInd[2*iQ], nInd[3*iQ] );
+ if ( t012.hasAdjacentTetra( vol.Element() )) triaSplits.push_back( t012 );
+ else if ( t123.hasAdjacentTetra( vol.Element() )) triaSplits.push_back( t123 );
+ }
+ else
+ {
+ int iCom = 0; // common node of triangle faces to split into
+ for ( int iVar = 0; iVar < nbNodes; ++iVar, ++iCom )
+ {
+ TTriangleFacet t012( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+1)%nbNodes )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )]);
+ TTriangleFacet t023( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )],
+ nInd[ iQ * ( (iCom+3)%nbNodes )]);
+ if ( t012.hasAdjacentTetra( vol.Element() ) && t023.hasAdjacentTetra( vol.Element() ))
+ {
+ triaSplits.push_back( t012 );
+ triaSplits.push_back( t023 );
+ break;
+ }
+ }
+ }
+ if ( !triaSplits.empty() )
+ hasAdjacentSplits = true;
+ }
- if(elem->NbNodes()==4) {
- // retrieve element nodes
- const SMDS_MeshNode* aNodes [4];
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- int i = 0;
- while ( itN->more() )
- aNodes[ i++ ] = static_cast<const SMDS_MeshNode*>( itN->next() );
+ // Among variants of split method select one compliant with adjacent volumes
- int aShapeId = FindShape( elem );
- const SMDS_MeshElement* newElem = 0;
- if ( the13Diag ) {
- aMesh->ChangeElementNodes( elem, aNodes, 3 );
- newElem = aMesh->AddFace( aNodes[2], aNodes[3], aNodes[0] );
+ TSplitMethod method;
+ if ( !vol.Element()->IsPoly() && !is24TetMode )
+ {
+ int nbVariants = 2, nbTet = 0;
+ const int** connVariants = 0;
+ switch ( vol.Element()->GetEntityType() )
+ {
+ case SMDSEntity_Hexa:
+ case SMDSEntity_Quad_Hexa:
+ case SMDSEntity_TriQuad_Hexa:
+ if ( theMethodFlags == SMESH_MeshEditor::HEXA_TO_5 )
+ connVariants = theHexTo5, nbTet = 5;
+ else
+ connVariants = theHexTo6, nbTet = 6, nbVariants = 4;
+ break;
+ case SMDSEntity_Pyramid:
+ case SMDSEntity_Quad_Pyramid:
+ connVariants = thePyraTo2; nbTet = 2;
+ break;
+ case SMDSEntity_Penta:
+ case SMDSEntity_Quad_Penta:
+ connVariants = thePentaTo3; nbTet = 3; nbVariants = 6;
+ break;
+ default:
+ nbVariants = 0;
}
- else {
- aMesh->ChangeElementNodes( elem, &aNodes[1], 3 );
- newElem = aMesh->AddFace( aNodes[3], aNodes[0], aNodes[1] );
+ for ( int variant = 0; variant < nbVariants && method._nbTetra == 0; ++variant )
+ {
+ // check method compliancy with adjacent tetras,
+ // all found splits must be among facets of tetras described by this method
+ method = TSplitMethod( nbTet, connVariants[variant] );
+ if ( hasAdjacentSplits && method._nbTetra > 0 )
+ {
+ bool facetCreated = true;
+ for ( int iF = 0; facetCreated && iF < triaSplitsByFace.size(); ++iF )
+ {
+ list< TTriangleFacet >::const_iterator facet = triaSplitsByFace[iF].begin();
+ for ( ; facetCreated && facet != triaSplitsByFace[iF].end(); ++facet )
+ facetCreated = method.hasFacet( *facet );
+ }
+ if ( !facetCreated )
+ method = TSplitMethod(0); // incompatible method
+ }
}
- myLastCreatedElems.Append(newElem);
- // put a new triangle on the same shape and add to the same groups
- if ( aShapeId )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- AddToSameGroups( newElem, elem, aMesh );
}
+ if ( method._nbTetra < 1 )
+ {
+ // No standard method is applicable, use a generic solution:
+ // each facet of a volume is split into triangles and
+ // each of triangles and a volume barycenter form a tetrahedron.
- // Quadratic quadrangle
+ const bool isHex27 = ( vol.Element()->GetEntityType() == SMDSEntity_TriQuad_Hexa );
- if( elem->NbNodes()==8 && elem->IsQuadratic() ) {
+ int* connectivity = new int[ maxTetConnSize + 1 ];
+ method._connectivity = connectivity;
+ method._ownConn = true;
+ method._baryNode = !isHex27; // to create central node or not
- // get surface elem is on
- int aShapeId = FindShape( elem );
- if ( aShapeId != helper.GetSubShapeID() ) {
- surface.Nullify();
- TopoDS_Shape shape;
- if ( aShapeId > 0 )
- shape = aMesh->IndexToShape( aShapeId );
- if ( !shape.IsNull() && shape.ShapeType() == TopAbs_FACE ) {
- TopoDS_Face face = TopoDS::Face( shape );
- surface = BRep_Tool::Surface( face );
- if ( !surface.IsNull() )
- helper.SetSubShape( shape );
+ int connSize = 0;
+ int baryCenInd = vol.NbNodes() - int( isHex27 );
+ for ( int iF = 0; iF < vol.NbFaces(); ++iF )
+ {
+ const int nbNodes = vol.NbFaceNodes( iF ) / iQ;
+ const int* nInd = vol.GetFaceNodesIndices( iF );
+ // find common node of triangle facets of tetra to create
+ int iCommon = 0; // index in linear numeration
+ const list< TTriangleFacet >& triaSplits = triaSplitsByFace[ iF ];
+ if ( !triaSplits.empty() )
+ {
+ // by found facets
+ const TTriangleFacet* facet = &triaSplits.front();
+ for ( ; iCommon < nbNodes-1 ; ++iCommon )
+ if ( facet->contains( nInd[ iQ * iCommon ]) &&
+ facet->contains( nInd[ iQ * ((iCommon+2)%nbNodes) ]))
+ break;
}
- }
+ else if ( nbNodes > 3 && !is24TetMode )
+ {
+ // find the best method of splitting into triangles by aspect ratio
+ SMESH::Controls::NumericalFunctorPtr aspectRatio( new SMESH::Controls::AspectRatio);
+ map< double, int > badness2iCommon;
+ const SMDS_MeshNode** nodes = vol.GetFaceNodes( iF );
+ int nbVariants = ( nbNodes == 4 ? 2 : nbNodes );
+ for ( int iVar = 0; iVar < nbVariants; ++iVar, ++iCommon )
+ {
+ double badness = 0;
+ for ( int iLast = iCommon+2; iLast < iCommon+nbNodes; ++iLast )
+ {
+ SMDS_FaceOfNodes tria ( nodes[ iQ*( iCommon )],
+ nodes[ iQ*((iLast-1)%nbNodes)],
+ nodes[ iQ*((iLast )%nbNodes)]);
+ badness += getBadRate( &tria, aspectRatio );
+ }
+ badness2iCommon.insert( make_pair( badness, iCommon ));
+ }
+ // use iCommon with lowest badness
+ iCommon = badness2iCommon.begin()->second;
+ }
+ if ( iCommon >= nbNodes )
+ iCommon = 0; // something wrong
- const SMDS_MeshNode* aNodes [8];
- const SMDS_MeshNode* inFaceNode = 0;
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- int i = 0;
- while ( itN->more() ) {
- aNodes[ i++ ] = static_cast<const SMDS_MeshNode*>( itN->next() );
- if ( !inFaceNode && helper.GetNodeUVneedInFaceNode() &&
- aNodes[ i-1 ]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
+ // fill connectivity of tetrahedra based on a current face
+ int nbTet = nbNodes - 2;
+ if ( is24TetMode && nbNodes > 3 && triaSplits.empty())
{
- inFaceNode = aNodes[ i-1 ];
+ int faceBaryCenInd;
+ if ( isHex27 )
+ {
+ faceBaryCenInd = vol.GetCenterNodeIndex( iF );
+ method._faceBaryNode[ iF ] = vol.GetNodes()[ faceBaryCenInd ];
+ }
+ else
+ {
+ method._faceBaryNode[ iF ] = 0;
+ faceBaryCenInd = baryCenInd + method._faceBaryNode.size();
+ }
+ nbTet = nbNodes;
+ for ( int i = 0; i < nbTet; ++i )
+ {
+ int i1 = i, i2 = (i+1) % nbNodes;
+ if ( !vol.IsFaceExternal( iF )) swap( i1, i2 );
+ connectivity[ connSize++ ] = nInd[ iQ * i1 ];
+ connectivity[ connSize++ ] = nInd[ iQ * i2 ];
+ connectivity[ connSize++ ] = faceBaryCenInd;
+ connectivity[ connSize++ ] = baryCenInd;
+ }
}
- }
+ else
+ {
+ for ( int i = 0; i < nbTet; ++i )
+ {
+ int i1 = (iCommon+1+i) % nbNodes, i2 = (iCommon+2+i) % nbNodes;
+ if ( !vol.IsFaceExternal( iF )) swap( i1, i2 );
+ connectivity[ connSize++ ] = nInd[ iQ * iCommon ];
+ connectivity[ connSize++ ] = nInd[ iQ * i1 ];
+ connectivity[ connSize++ ] = nInd[ iQ * i2 ];
+ connectivity[ connSize++ ] = baryCenInd;
+ }
+ }
+ method._nbTetra += nbTet;
- // find middle point for (0,1,2,3)
- // and create a node in this point;
- gp_XYZ p( 0,0,0 );
- if ( surface.IsNull() ) {
- for(i=0; i<4; i++)
- p += gp_XYZ(aNodes[i]->X(), aNodes[i]->Y(), aNodes[i]->Z() );
- p /= 4;
- }
- else {
- TopoDS_Face geomFace = TopoDS::Face( helper.GetSubShape() );
- gp_XY uv( 0,0 );
- for(i=0; i<4; i++)
- uv += helper.GetNodeUV( geomFace, aNodes[i], inFaceNode );
- uv /= 4.;
- p = surface->Value( uv.X(), uv.Y() ).XYZ();
- }
- const SMDS_MeshNode* newN = aMesh->AddNode( p.X(), p.Y(), p.Z() );
- myLastCreatedNodes.Append(newN);
+ } // loop on volume faces
- // create a new element
- const SMDS_MeshElement* newElem = 0;
- const SMDS_MeshNode* N[6];
- if ( the13Diag ) {
- N[0] = aNodes[0];
- N[1] = aNodes[1];
- N[2] = aNodes[2];
- N[3] = aNodes[4];
- N[4] = aNodes[5];
- N[5] = newN;
- newElem = aMesh->AddFace(aNodes[2], aNodes[3], aNodes[0],
- aNodes[6], aNodes[7], newN );
- }
- else {
- N[0] = aNodes[1];
- N[1] = aNodes[2];
- N[2] = aNodes[3];
- N[3] = aNodes[5];
- N[4] = aNodes[6];
- N[5] = newN;
- newElem = aMesh->AddFace(aNodes[3], aNodes[0], aNodes[1],
- aNodes[7], aNodes[4], newN );
- }
- myLastCreatedElems.Append(newElem);
- aMesh->ChangeElementNodes( elem, N, 6 );
- // put a new triangle on the same shape and add to the same groups
- if ( aShapeId )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- AddToSameGroups( newElem, elem, aMesh );
+ connectivity[ connSize++ ] = -1;
+
+ } // end of generic solution
+
+ return method;
+ }
+ //================================================================================
+ /*!
+ * \brief Check if there is a tetraherdon adjacent to the given element via this facet
+ */
+ //================================================================================
+
+ bool TTriangleFacet::hasAdjacentTetra( const SMDS_MeshElement* elem ) const
+ {
+ // find the tetrahedron including the three nodes of facet
+ const SMDS_MeshNode* n1 = elem->GetNode(_n1);
+ const SMDS_MeshNode* n2 = elem->GetNode(_n2);
+ const SMDS_MeshNode* n3 = elem->GetNode(_n3);
+ SMDS_ElemIteratorPtr volIt1 = n1->GetInverseElementIterator(SMDSAbs_Volume);
+ while ( volIt1->more() )
+ {
+ const SMDS_MeshElement* v = volIt1->next();
+ SMDSAbs_EntityType type = v->GetEntityType();
+ if ( type != SMDSEntity_Tetra && type != SMDSEntity_Quad_Tetra )
+ continue;
+ if ( type == SMDSEntity_Quad_Tetra && v->GetNodeIndex( n1 ) > 3 )
+ continue; // medium node not allowed
+ const int ind2 = v->GetNodeIndex( n2 );
+ if ( ind2 < 0 || 3 < ind2 )
+ continue;
+ const int ind3 = v->GetNodeIndex( n3 );
+ if ( ind3 < 0 || 3 < ind3 )
+ continue;
+ return true;
}
+ return false;
}
- return true;
-}
+ //=======================================================================
+ /*!
+ * \brief A key of a face of volume
+ */
+ //=======================================================================
+
+ struct TVolumeFaceKey: pair< pair< int, int>, pair< int, int> >
+ {
+ TVolumeFaceKey( SMDS_VolumeTool& vol, int iF )
+ {
+ TIDSortedNodeSet sortedNodes;
+ const int iQ = vol.Element()->IsQuadratic() ? 2 : 1;
+ int nbNodes = vol.NbFaceNodes( iF );
+ const SMDS_MeshNode** fNodes = vol.GetFaceNodes( iF );
+ for ( int i = 0; i < nbNodes; i += iQ )
+ sortedNodes.insert( fNodes[i] );
+ TIDSortedNodeSet::iterator n = sortedNodes.begin();
+ first.first = (*(n++))->GetID();
+ first.second = (*(n++))->GetID();
+ second.first = (*(n++))->GetID();
+ second.second = ( sortedNodes.size() > 3 ) ? (*(n++))->GetID() : 0;
+ }
+ };
+} // namespace
//=======================================================================
-//function : getAngle
-//purpose :
+//function : SplitVolumesIntoTetra
+//purpose : Split volume elements into tetrahedra.
//=======================================================================
-double getAngle(const SMDS_MeshElement * tr1,
- const SMDS_MeshElement * tr2,
- const SMDS_MeshNode * n1,
- const SMDS_MeshNode * n2)
+void SMESH_MeshEditor::SplitVolumesIntoTetra (const TIDSortedElemSet & theElems,
+ const int theMethodFlags)
{
- double angle = 2*PI; // bad angle
+ // std-like iterator on coordinates of nodes of mesh element
+ typedef SMDS_StdIterator< SMESH_TNodeXYZ, SMDS_ElemIteratorPtr > NXyzIterator;
+ NXyzIterator xyzEnd;
- // get normals
- SMESH::Controls::TSequenceOfXYZ P1, P2;
- if ( !SMESH::Controls::NumericalFunctor::GetPoints( tr1, P1 ) ||
- !SMESH::Controls::NumericalFunctor::GetPoints( tr2, P2 ))
- return angle;
- gp_Vec N1,N2;
- if(!tr1->IsQuadratic())
- N1 = gp_Vec( P1(2) - P1(1) ) ^ gp_Vec( P1(3) - P1(1) );
- else
- N1 = gp_Vec( P1(3) - P1(1) ) ^ gp_Vec( P1(5) - P1(1) );
- if ( N1.SquareMagnitude() <= gp::Resolution() )
- return angle;
- if(!tr2->IsQuadratic())
- N2 = gp_Vec( P2(2) - P2(1) ) ^ gp_Vec( P2(3) - P2(1) );
- else
- N2 = gp_Vec( P2(3) - P2(1) ) ^ gp_Vec( P2(5) - P2(1) );
- if ( N2.SquareMagnitude() <= gp::Resolution() )
- return angle;
+ SMDS_VolumeTool volTool;
+ SMESH_MesherHelper helper( *GetMesh());
- // find the first diagonal node n1 in the triangles:
- // take in account a diagonal link orientation
- const SMDS_MeshElement *nFirst[2], *tr[] = { tr1, tr2 };
- for ( int t = 0; t < 2; t++ ) {
- SMDS_ElemIteratorPtr it = tr[ t ]->nodesIterator();
- int i = 0, iDiag = -1;
- while ( it->more()) {
- const SMDS_MeshElement *n = it->next();
- if ( n == n1 || n == n2 )
- if ( iDiag < 0)
- iDiag = i;
- else {
- if ( i - iDiag == 1 )
- nFirst[ t ] = ( n == n1 ? n2 : n1 );
- else
- nFirst[ t ] = n;
- break;
- }
- i++;
- }
- }
- if ( nFirst[ 0 ] == nFirst[ 1 ] )
- N2.Reverse();
+ SMESHDS_SubMesh* subMesh = 0;//GetMeshDS()->MeshElements(1);
+ SMESHDS_SubMesh* fSubMesh = 0;//subMesh;
- angle = N1.Angle( N2 );
- //SCRUTE( angle );
- return angle;
+ SMESH_SequenceOfElemPtr newNodes, newElems;
+
+ // map face of volume to it's baricenrtic node
+ map< TVolumeFaceKey, const SMDS_MeshNode* > volFace2BaryNode;
+ double bc[3];
+
+ TIDSortedElemSet::const_iterator elem = theElems.begin();
+ for ( ; elem != theElems.end(); ++elem )
+ {
+ if ( (*elem)->GetType() != SMDSAbs_Volume )
+ continue;
+ SMDSAbs_EntityType geomType = (*elem)->GetEntityType();
+ if ( geomType == SMDSEntity_Tetra || geomType == SMDSEntity_Quad_Tetra )
+ continue;
+
+ if ( !volTool.Set( *elem, /*ignoreCentralNodes=*/false )) continue; // strange...
+
+ TSplitMethod splitMethod = getSplitMethod( volTool, theMethodFlags );
+ if ( splitMethod._nbTetra < 1 ) continue;
+
+ // find submesh to add new tetras to
+ if ( !subMesh || !subMesh->Contains( *elem ))
+ {
+ int shapeID = FindShape( *elem );
+ helper.SetSubShape( shapeID ); // helper will add tetras to the found submesh
+ subMesh = GetMeshDS()->MeshElements( shapeID );
+ }
+ int iQ;
+ if ( (*elem)->IsQuadratic() )
+ {
+ iQ = 2;
+ // add quadratic links to the helper
+ for ( int iF = 0; iF < volTool.NbFaces(); ++iF )
+ {
+ const SMDS_MeshNode** fNodes = volTool.GetFaceNodes( iF );
+ int nbN = volTool.NbFaceNodes( iF ) - bool( volTool.GetCenterNodeIndex(iF) > 0 );
+ for ( int iN = 0; iN < nbN; iN += iQ )
+ helper.AddTLinkNode( fNodes[iN], fNodes[iN+2], fNodes[iN+1] );
+ }
+ helper.SetIsQuadratic( true );
+ }
+ else
+ {
+ iQ = 1;
+ helper.SetIsQuadratic( false );
+ }
+ vector<const SMDS_MeshNode*> nodes( (*elem)->begin_nodes(), (*elem)->end_nodes() );
+ helper.SetElementsOnShape( true );
+ if ( splitMethod._baryNode )
+ {
+ // make a node at barycenter
+ volTool.GetBaryCenter( bc[0], bc[1], bc[2] );
+ SMDS_MeshNode* gcNode = helper.AddNode( bc[0], bc[1], bc[2] );
+ nodes.push_back( gcNode );
+ newNodes.Append( gcNode );
+ }
+ if ( !splitMethod._faceBaryNode.empty() )
+ {
+ // make or find baricentric nodes of faces
+ map<int, const SMDS_MeshNode*>::iterator iF_n = splitMethod._faceBaryNode.begin();
+ for ( ; iF_n != splitMethod._faceBaryNode.end(); ++iF_n )
+ {
+ map< TVolumeFaceKey, const SMDS_MeshNode* >::iterator f_n =
+ volFace2BaryNode.insert
+ ( make_pair( TVolumeFaceKey( volTool,iF_n->first ), iF_n->second )).first;
+ if ( !f_n->second )
+ {
+ volTool.GetFaceBaryCenter( iF_n->first, bc[0], bc[1], bc[2] );
+ newNodes.Append( f_n->second = helper.AddNode( bc[0], bc[1], bc[2] ));
+ }
+ nodes.push_back( iF_n->second = f_n->second );
+ }
+ }
+
+ // make tetras
+ vector<const SMDS_MeshElement* > tetras( splitMethod._nbTetra ); // splits of a volume
+ const int* tetConn = splitMethod._connectivity;
+ for ( int i = 0; i < splitMethod._nbTetra; ++i, tetConn += 4 )
+ newElems.Append( tetras[ i ] = helper.AddVolume( nodes[ tetConn[0] ],
+ nodes[ tetConn[1] ],
+ nodes[ tetConn[2] ],
+ nodes[ tetConn[3] ]));
+
+ ReplaceElemInGroups( *elem, tetras, GetMeshDS() );
+
+ // Split faces on sides of the split volume
+
+ const SMDS_MeshNode** volNodes = volTool.GetNodes();
+ for ( int iF = 0; iF < volTool.NbFaces(); ++iF )
+ {
+ const int nbNodes = volTool.NbFaceNodes( iF ) / iQ;
+ if ( nbNodes < 4 ) continue;
+
+ // find an existing face
+ vector<const SMDS_MeshNode*> fNodes( volTool.GetFaceNodes( iF ),
+ volTool.GetFaceNodes( iF ) + volTool.NbFaceNodes( iF ));
+ while ( const SMDS_MeshElement* face = GetMeshDS()->FindElement( fNodes, SMDSAbs_Face,
+ /*noMedium=*/false))
+ {
+ // make triangles
+ helper.SetElementsOnShape( false );
+ vector< const SMDS_MeshElement* > triangles;
+
+ // find submesh to add new triangles in
+ if ( !fSubMesh || !fSubMesh->Contains( face ))
+ {
+ int shapeID = FindShape( face );
+ fSubMesh = GetMeshDS()->MeshElements( shapeID );
+ }
+ map<int, const SMDS_MeshNode*>::iterator iF_n = splitMethod._faceBaryNode.find(iF);
+ if ( iF_n != splitMethod._faceBaryNode.end() )
+ {
+ for ( int iN = 0; iN < nbNodes*iQ; iN += iQ )
+ {
+ const SMDS_MeshNode* n1 = fNodes[iN];
+ const SMDS_MeshNode *n2 = fNodes[(iN+iQ)%(nbNodes*iQ)];
+ const SMDS_MeshNode *n3 = iF_n->second;
+ if ( !volTool.IsFaceExternal( iF ))
+ swap( n2, n3 );
+ triangles.push_back( helper.AddFace( n1,n2,n3 ));
+
+ if ( fSubMesh && n3->getshapeId() < 1 )
+ fSubMesh->AddNode( n3 );
+ }
+ }
+ else
+ {
+ // among possible triangles create ones discribed by split method
+ const int* nInd = volTool.GetFaceNodesIndices( iF );
+ int nbVariants = ( nbNodes == 4 ? 2 : nbNodes );
+ int iCom = 0; // common node of triangle faces to split into
+ list< TTriangleFacet > facets;
+ for ( int iVar = 0; iVar < nbVariants; ++iVar, ++iCom )
+ {
+ TTriangleFacet t012( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+1)%nbNodes )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )]);
+ TTriangleFacet t023( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )],
+ nInd[ iQ * ( (iCom+3)%nbNodes )]);
+ if ( splitMethod.hasFacet( t012 ) && splitMethod.hasFacet( t023 ))
+ {
+ facets.push_back( t012 );
+ facets.push_back( t023 );
+ for ( int iLast = iCom+4; iLast < iCom+nbNodes; ++iLast )
+ facets.push_back( TTriangleFacet( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ((iLast-1)%nbNodes )],
+ nInd[ iQ * ((iLast )%nbNodes )]));
+ break;
+ }
+ }
+ list< TTriangleFacet >::iterator facet = facets.begin();
+ for ( ; facet != facets.end(); ++facet )
+ {
+ if ( !volTool.IsFaceExternal( iF ))
+ swap( facet->_n2, facet->_n3 );
+ triangles.push_back( helper.AddFace( volNodes[ facet->_n1 ],
+ volNodes[ facet->_n2 ],
+ volNodes[ facet->_n3 ]));
+ }
+ }
+ for ( int i = 0; i < triangles.size(); ++i )
+ {
+ if ( !triangles[i] ) continue;
+ if ( fSubMesh )
+ fSubMesh->AddElement( triangles[i]);
+ newElems.Append( triangles[i] );
+ }
+ ReplaceElemInGroups( face, triangles, GetMeshDS() );
+ GetMeshDS()->RemoveFreeElement( face, fSubMesh, /*fromGroups=*/false );
+ }
+
+ } // loop on volume faces to split them into triangles
+
+ GetMeshDS()->RemoveFreeElement( *elem, subMesh, /*fromGroups=*/false );
+
+ if ( geomType == SMDSEntity_TriQuad_Hexa )
+ {
+ // remove medium nodes that could become free
+ for ( int i = 20; i < volTool.NbNodes(); ++i )
+ if ( volNodes[i]->NbInverseElements() == 0 )
+ GetMeshDS()->RemoveNode( volNodes[i] );
+ }
+ } // loop on volumes to split
+
+ myLastCreatedNodes = newNodes;
+ myLastCreatedElems = newElems;
}
-// =================================================
-// class generating a unique ID for a pair of nodes
-// and able to return nodes by that ID
-// =================================================
-class LinkID_Gen {
-public:
+//=======================================================================
+//function : AddToSameGroups
+//purpose : add elemToAdd to the groups the elemInGroups belongs to
+//=======================================================================
- LinkID_Gen( const SMESHDS_Mesh* theMesh )
- :myMesh( theMesh ), myMaxID( theMesh->MaxNodeID() + 1)
- {}
+void SMESH_MeshEditor::AddToSameGroups (const SMDS_MeshElement* elemToAdd,
+ const SMDS_MeshElement* elemInGroups,
+ SMESHDS_Mesh * aMesh)
+{
+ const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
+ if (!groups.empty()) {
+ set<SMESHDS_GroupBase*>::const_iterator grIt = groups.begin();
+ for ( ; grIt != groups.end(); grIt++ ) {
+ SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
+ if ( group && group->Contains( elemInGroups ))
+ group->SMDSGroup().Add( elemToAdd );
+ }
+ }
+}
- long GetLinkID (const SMDS_MeshNode * n1,
- const SMDS_MeshNode * n2) const
+
+//=======================================================================
+//function : RemoveElemFromGroups
+//purpose : Remove removeelem to the groups the elemInGroups belongs to
+//=======================================================================
+void SMESH_MeshEditor::RemoveElemFromGroups (const SMDS_MeshElement* removeelem,
+ SMESHDS_Mesh * aMesh)
+{
+ const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
+ if (!groups.empty())
{
- return ( Min(n1->GetID(),n2->GetID()) * myMaxID + Max(n1->GetID(),n2->GetID()));
+ set<SMESHDS_GroupBase*>::const_iterator GrIt = groups.begin();
+ for (; GrIt != groups.end(); GrIt++)
+ {
+ SMESHDS_Group* grp = dynamic_cast<SMESHDS_Group*>(*GrIt);
+ if (!grp || grp->IsEmpty()) continue;
+ grp->SMDSGroup().Remove(removeelem);
+ }
}
+}
- bool GetNodes (const long theLinkID,
- const SMDS_MeshNode* & theNode1,
- const SMDS_MeshNode* & theNode2) const
- {
- theNode1 = myMesh->FindNode( theLinkID / myMaxID );
- if ( !theNode1 ) return false;
- theNode2 = myMesh->FindNode( theLinkID % myMaxID );
- if ( !theNode2 ) return false;
- return true;
+//================================================================================
+/*!
+ * \brief Replace elemToRm by elemToAdd in the all groups
+ */
+//================================================================================
+
+void SMESH_MeshEditor::ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
+ const SMDS_MeshElement* elemToAdd,
+ SMESHDS_Mesh * aMesh)
+{
+ const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
+ if (!groups.empty()) {
+ set<SMESHDS_GroupBase*>::const_iterator grIt = groups.begin();
+ for ( ; grIt != groups.end(); grIt++ ) {
+ SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
+ if ( group && group->SMDSGroup().Remove( elemToRm ) && elemToAdd )
+ group->SMDSGroup().Add( elemToAdd );
+ }
}
+}
-private:
- LinkID_Gen();
- const SMESHDS_Mesh* myMesh;
- long myMaxID;
-};
+//================================================================================
+/*!
+ * \brief Replace elemToRm by elemToAdd in the all groups
+ */
+//================================================================================
+void SMESH_MeshEditor::ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
+ const vector<const SMDS_MeshElement*>& elemToAdd,
+ SMESHDS_Mesh * aMesh)
+{
+ const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
+ if (!groups.empty())
+ {
+ set<SMESHDS_GroupBase*>::const_iterator grIt = groups.begin();
+ for ( ; grIt != groups.end(); grIt++ ) {
+ SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
+ if ( group && group->SMDSGroup().Remove( elemToRm ) )
+ for ( int i = 0; i < elemToAdd.size(); ++i )
+ group->SMDSGroup().Add( elemToAdd[ i ] );
+ }
+ }
+}
//=======================================================================
-//function : TriToQuad
-//purpose : Fuse neighbour triangles into quadrangles.
-// theCrit is used to select a neighbour to fuse with.
-// theMaxAngle is a max angle between element normals at which
-// fusion is still performed.
+//function : QuadToTri
+//purpose : Cut quadrangles into triangles.
+// theCrit is used to select a diagonal to cut
//=======================================================================
-bool SMESH_MeshEditor::TriToQuad (TIDSortedElemSet & theElems,
- SMESH::Controls::NumericalFunctorPtr theCrit,
- const double theMaxAngle)
+bool SMESH_MeshEditor::QuadToTri (TIDSortedElemSet & theElems,
+ const bool the13Diag)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE( "::TriToQuad()" );
-
- if ( !theCrit.get() )
- return false;
+ MESSAGE( "::QuadToTri()" );
SMESHDS_Mesh * aMesh = GetMeshDS();
- // Prepare data for algo: build
- // 1. map of elements with their linkIDs
- // 2. map of linkIDs with their elements
-
- map< SMESH_TLink, list< const SMDS_MeshElement* > > mapLi_listEl;
- map< SMESH_TLink, list< const SMDS_MeshElement* > >::iterator itLE;
- map< const SMDS_MeshElement*, set< SMESH_TLink > > mapEl_setLi;
- map< const SMDS_MeshElement*, set< SMESH_TLink > >::iterator itEL;
+ Handle(Geom_Surface) surface;
+ SMESH_MesherHelper helper( *GetMesh() );
TIDSortedElemSet::iterator itElem;
for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
const SMDS_MeshElement* elem = *itElem;
- if(!elem || elem->GetType() != SMDSAbs_Face ) continue;
- bool IsTria = elem->NbNodes()==3 || (elem->NbNodes()==6 && elem->IsQuadratic());
- if(!IsTria) continue;
+ if ( !elem || elem->GetType() != SMDSAbs_Face )
+ continue;
+ bool isquad = elem->NbNodes()==4 || elem->NbNodes()==8;
+ if(!isquad) continue;
- // retrieve element nodes
- const SMDS_MeshNode* aNodes [4];
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- int i = 0;
- while ( i<3 )
- aNodes[ i++ ] = cast2Node( itN->next() );
- aNodes[ 3 ] = aNodes[ 0 ];
+ if(elem->NbNodes()==4) {
+ // retrieve element nodes
+ const SMDS_MeshNode* aNodes [4];
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ int i = 0;
+ while ( itN->more() )
+ aNodes[ i++ ] = static_cast<const SMDS_MeshNode*>( itN->next() );
- // fill maps
- for ( i = 0; i < 3; i++ ) {
- SMESH_TLink link( aNodes[i], aNodes[i+1] );
- // check if elements sharing a link can be fused
- itLE = mapLi_listEl.find( link );
- if ( itLE != mapLi_listEl.end() ) {
- if ((*itLE).second.size() > 1 ) // consider only 2 elems adjacent by a link
- continue;
- const SMDS_MeshElement* elem2 = (*itLE).second.front();
- //if ( FindShape( elem ) != FindShape( elem2 ))
- // continue; // do not fuse triangles laying on different shapes
- if ( getAngle( elem, elem2, aNodes[i], aNodes[i+1] ) > theMaxAngle )
- continue; // avoid making badly shaped quads
- (*itLE).second.push_back( elem );
+ int aShapeId = FindShape( elem );
+ const SMDS_MeshElement* newElem1 = 0;
+ const SMDS_MeshElement* newElem2 = 0;
+ if ( the13Diag ) {
+ newElem1 = aMesh->AddFace( aNodes[2], aNodes[0], aNodes[1] );
+ newElem2 = aMesh->AddFace( aNodes[2], aNodes[3], aNodes[0] );
}
else {
- mapLi_listEl[ link ].push_back( elem );
+ newElem1 = aMesh->AddFace( aNodes[3], aNodes[0], aNodes[1] );
+ newElem2 = aMesh->AddFace( aNodes[3], aNodes[1], aNodes[2] );
}
- mapEl_setLi [ elem ].insert( link );
- }
- }
- // Clean the maps from the links shared by a sole element, ie
- // links to which only one element is bound in mapLi_listEl
-
- for ( itLE = mapLi_listEl.begin(); itLE != mapLi_listEl.end(); itLE++ ) {
- int nbElems = (*itLE).second.size();
- if ( nbElems < 2 ) {
- const SMDS_MeshElement* elem = (*itLE).second.front();
- SMESH_TLink link = (*itLE).first;
- mapEl_setLi[ elem ].erase( link );
- if ( mapEl_setLi[ elem ].empty() )
- mapEl_setLi.erase( elem );
+ myLastCreatedElems.Append(newElem1);
+ myLastCreatedElems.Append(newElem2);
+ // put a new triangle on the same shape and add to the same groups
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem1, aShapeId );
+ aMesh->SetMeshElementOnShape( newElem2, aShapeId );
+ }
+ AddToSameGroups( newElem1, elem, aMesh );
+ AddToSameGroups( newElem2, elem, aMesh );
+ //aMesh->RemoveFreeElement(elem, aMesh->MeshElements(aShapeId), true);
+ aMesh->RemoveElement( elem );
}
- }
- // Algo: fuse triangles into quadrangles
+ // Quadratic quadrangle
- while ( ! mapEl_setLi.empty() ) {
- // Look for the start element:
- // the element having the least nb of shared links
- const SMDS_MeshElement* startElem = 0;
- int minNbLinks = 4;
- for ( itEL = mapEl_setLi.begin(); itEL != mapEl_setLi.end(); itEL++ ) {
- int nbLinks = (*itEL).second.size();
- if ( nbLinks < minNbLinks ) {
- startElem = (*itEL).first;
- minNbLinks = nbLinks;
- if ( minNbLinks == 1 )
- break;
- }
- }
+ if( elem->NbNodes()==8 && elem->IsQuadratic() ) {
- // search elements to fuse starting from startElem or links of elements
+ // get surface elem is on
+ int aShapeId = FindShape( elem );
+ if ( aShapeId != helper.GetSubShapeID() ) {
+ surface.Nullify();
+ TopoDS_Shape shape;
+ if ( aShapeId > 0 )
+ shape = aMesh->IndexToShape( aShapeId );
+ if ( !shape.IsNull() && shape.ShapeType() == TopAbs_FACE ) {
+ TopoDS_Face face = TopoDS::Face( shape );
+ surface = BRep_Tool::Surface( face );
+ if ( !surface.IsNull() )
+ helper.SetSubShape( shape );
+ }
+ }
+
+ const SMDS_MeshNode* aNodes [8];
+ const SMDS_MeshNode* inFaceNode = 0;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ int i = 0;
+ while ( itN->more() ) {
+ aNodes[ i++ ] = static_cast<const SMDS_MeshNode*>( itN->next() );
+ if ( !inFaceNode && helper.GetNodeUVneedInFaceNode() &&
+ aNodes[ i-1 ]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE )
+ {
+ inFaceNode = aNodes[ i-1 ];
+ }
+ }
+
+ // find middle point for (0,1,2,3)
+ // and create a node in this point;
+ gp_XYZ p( 0,0,0 );
+ if ( surface.IsNull() ) {
+ for(i=0; i<4; i++)
+ p += gp_XYZ(aNodes[i]->X(), aNodes[i]->Y(), aNodes[i]->Z() );
+ p /= 4;
+ }
+ else {
+ TopoDS_Face geomFace = TopoDS::Face( helper.GetSubShape() );
+ gp_XY uv( 0,0 );
+ for(i=0; i<4; i++)
+ uv += helper.GetNodeUV( geomFace, aNodes[i], inFaceNode );
+ uv /= 4.;
+ p = surface->Value( uv.X(), uv.Y() ).XYZ();
+ }
+ const SMDS_MeshNode* newN = aMesh->AddNode( p.X(), p.Y(), p.Z() );
+ myLastCreatedNodes.Append(newN);
+
+ // create a new element
+ const SMDS_MeshElement* newElem1 = 0;
+ const SMDS_MeshElement* newElem2 = 0;
+ if ( the13Diag ) {
+ newElem1 = aMesh->AddFace(aNodes[2], aNodes[3], aNodes[0],
+ aNodes[6], aNodes[7], newN );
+ newElem2 = aMesh->AddFace(aNodes[2], aNodes[0], aNodes[1],
+ newN, aNodes[4], aNodes[5] );
+ }
+ else {
+ newElem1 = aMesh->AddFace(aNodes[3], aNodes[0], aNodes[1],
+ aNodes[7], aNodes[4], newN );
+ newElem2 = aMesh->AddFace(aNodes[3], aNodes[1], aNodes[2],
+ newN, aNodes[5], aNodes[6] );
+ }
+ myLastCreatedElems.Append(newElem1);
+ myLastCreatedElems.Append(newElem2);
+ // put a new triangle on the same shape and add to the same groups
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem1, aShapeId );
+ aMesh->SetMeshElementOnShape( newElem2, aShapeId );
+ }
+ AddToSameGroups( newElem1, elem, aMesh );
+ AddToSameGroups( newElem2, elem, aMesh );
+ aMesh->RemoveElement( elem );
+ }
+ }
+
+ return true;
+}
+
+//=======================================================================
+//function : getAngle
+//purpose :
+//=======================================================================
+
+double getAngle(const SMDS_MeshElement * tr1,
+ const SMDS_MeshElement * tr2,
+ const SMDS_MeshNode * n1,
+ const SMDS_MeshNode * n2)
+{
+ double angle = 2. * M_PI; // bad angle
+
+ // get normals
+ SMESH::Controls::TSequenceOfXYZ P1, P2;
+ if ( !SMESH::Controls::NumericalFunctor::GetPoints( tr1, P1 ) ||
+ !SMESH::Controls::NumericalFunctor::GetPoints( tr2, P2 ))
+ return angle;
+ gp_Vec N1,N2;
+ if(!tr1->IsQuadratic())
+ N1 = gp_Vec( P1(2) - P1(1) ) ^ gp_Vec( P1(3) - P1(1) );
+ else
+ N1 = gp_Vec( P1(3) - P1(1) ) ^ gp_Vec( P1(5) - P1(1) );
+ if ( N1.SquareMagnitude() <= gp::Resolution() )
+ return angle;
+ if(!tr2->IsQuadratic())
+ N2 = gp_Vec( P2(2) - P2(1) ) ^ gp_Vec( P2(3) - P2(1) );
+ else
+ N2 = gp_Vec( P2(3) - P2(1) ) ^ gp_Vec( P2(5) - P2(1) );
+ if ( N2.SquareMagnitude() <= gp::Resolution() )
+ return angle;
+
+ // find the first diagonal node n1 in the triangles:
+ // take in account a diagonal link orientation
+ const SMDS_MeshElement *nFirst[2], *tr[] = { tr1, tr2 };
+ for ( int t = 0; t < 2; t++ ) {
+ SMDS_ElemIteratorPtr it = tr[ t ]->nodesIterator();
+ int i = 0, iDiag = -1;
+ while ( it->more()) {
+ const SMDS_MeshElement *n = it->next();
+ if ( n == n1 || n == n2 ) {
+ if ( iDiag < 0)
+ iDiag = i;
+ else {
+ if ( i - iDiag == 1 )
+ nFirst[ t ] = ( n == n1 ? n2 : n1 );
+ else
+ nFirst[ t ] = n;
+ break;
+ }
+ }
+ i++;
+ }
+ }
+ if ( nFirst[ 0 ] == nFirst[ 1 ] )
+ N2.Reverse();
+
+ angle = N1.Angle( N2 );
+ //SCRUTE( angle );
+ return angle;
+}
+
+// =================================================
+// class generating a unique ID for a pair of nodes
+// and able to return nodes by that ID
+// =================================================
+class LinkID_Gen {
+public:
+
+ LinkID_Gen( const SMESHDS_Mesh* theMesh )
+ :myMesh( theMesh ), myMaxID( theMesh->MaxNodeID() + 1)
+ {}
+
+ long GetLinkID (const SMDS_MeshNode * n1,
+ const SMDS_MeshNode * n2) const
+ {
+ return ( Min(n1->GetID(),n2->GetID()) * myMaxID + Max(n1->GetID(),n2->GetID()));
+ }
+
+ bool GetNodes (const long theLinkID,
+ const SMDS_MeshNode* & theNode1,
+ const SMDS_MeshNode* & theNode2) const
+ {
+ theNode1 = myMesh->FindNode( theLinkID / myMaxID );
+ if ( !theNode1 ) return false;
+ theNode2 = myMesh->FindNode( theLinkID % myMaxID );
+ if ( !theNode2 ) return false;
+ return true;
+ }
+
+private:
+ LinkID_Gen();
+ const SMESHDS_Mesh* myMesh;
+ long myMaxID;
+};
+
+
+//=======================================================================
+//function : TriToQuad
+//purpose : Fuse neighbour triangles into quadrangles.
+// theCrit is used to select a neighbour to fuse with.
+// theMaxAngle is a max angle between element normals at which
+// fusion is still performed.
+//=======================================================================
+
+bool SMESH_MeshEditor::TriToQuad (TIDSortedElemSet & theElems,
+ SMESH::Controls::NumericalFunctorPtr theCrit,
+ const double theMaxAngle)
+{
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ MESSAGE( "::TriToQuad()" );
+
+ if ( !theCrit.get() )
+ return false;
+
+ SMESHDS_Mesh * aMesh = GetMeshDS();
+
+ // Prepare data for algo: build
+ // 1. map of elements with their linkIDs
+ // 2. map of linkIDs with their elements
+
+ map< SMESH_TLink, list< const SMDS_MeshElement* > > mapLi_listEl;
+ map< SMESH_TLink, list< const SMDS_MeshElement* > >::iterator itLE;
+ map< const SMDS_MeshElement*, set< SMESH_TLink > > mapEl_setLi;
+ map< const SMDS_MeshElement*, set< SMESH_TLink > >::iterator itEL;
+
+ TIDSortedElemSet::iterator itElem;
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
+ const SMDS_MeshElement* elem = *itElem;
+ if(!elem || elem->GetType() != SMDSAbs_Face ) continue;
+ bool IsTria = elem->NbNodes()==3 || (elem->NbNodes()==6 && elem->IsQuadratic());
+ if(!IsTria) continue;
+
+ // retrieve element nodes
+ const SMDS_MeshNode* aNodes [4];
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ int i = 0;
+ while ( i<3 )
+ aNodes[ i++ ] = cast2Node( itN->next() );
+ aNodes[ 3 ] = aNodes[ 0 ];
+
+ // fill maps
+ for ( i = 0; i < 3; i++ ) {
+ SMESH_TLink link( aNodes[i], aNodes[i+1] );
+ // check if elements sharing a link can be fused
+ itLE = mapLi_listEl.find( link );
+ if ( itLE != mapLi_listEl.end() ) {
+ if ((*itLE).second.size() > 1 ) // consider only 2 elems adjacent by a link
+ continue;
+ const SMDS_MeshElement* elem2 = (*itLE).second.front();
+ //if ( FindShape( elem ) != FindShape( elem2 ))
+ // continue; // do not fuse triangles laying on different shapes
+ if ( getAngle( elem, elem2, aNodes[i], aNodes[i+1] ) > theMaxAngle )
+ continue; // avoid making badly shaped quads
+ (*itLE).second.push_back( elem );
+ }
+ else {
+ mapLi_listEl[ link ].push_back( elem );
+ }
+ mapEl_setLi [ elem ].insert( link );
+ }
+ }
+ // Clean the maps from the links shared by a sole element, ie
+ // links to which only one element is bound in mapLi_listEl
+
+ for ( itLE = mapLi_listEl.begin(); itLE != mapLi_listEl.end(); itLE++ ) {
+ int nbElems = (*itLE).second.size();
+ if ( nbElems < 2 ) {
+ const SMDS_MeshElement* elem = (*itLE).second.front();
+ SMESH_TLink link = (*itLE).first;
+ mapEl_setLi[ elem ].erase( link );
+ if ( mapEl_setLi[ elem ].empty() )
+ mapEl_setLi.erase( elem );
+ }
+ }
+
+ // Algo: fuse triangles into quadrangles
+
+ while ( ! mapEl_setLi.empty() ) {
+ // Look for the start element:
+ // the element having the least nb of shared links
+ const SMDS_MeshElement* startElem = 0;
+ int minNbLinks = 4;
+ for ( itEL = mapEl_setLi.begin(); itEL != mapEl_setLi.end(); itEL++ ) {
+ int nbLinks = (*itEL).second.size();
+ if ( nbLinks < minNbLinks ) {
+ startElem = (*itEL).first;
+ minNbLinks = nbLinks;
+ if ( minNbLinks == 1 )
+ break;
+ }
+ }
+
+ // search elements to fuse starting from startElem or links of elements
// fused earlyer - startLinks
list< SMESH_TLink > startLinks;
while ( startElem || !startLinks.empty() ) {
mapEl_setLi.erase( tr2 );
mapLi_listEl.erase( *link12 );
if(tr1->NbNodes()==3) {
- if( tr1->GetID() < tr2->GetID() ) {
- aMesh->ChangeElementNodes( tr1, n12, 4 );
- myLastCreatedElems.Append(tr1);
- aMesh->RemoveElement( tr2 );
- }
- else {
- aMesh->ChangeElementNodes( tr2, n12, 4 );
- myLastCreatedElems.Append(tr2);
- aMesh->RemoveElement( tr1);
- }
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddFace(n12[0], n12[1], n12[2], n12[3] );
+ myLastCreatedElems.Append(newElem);
+ AddToSameGroups( newElem, tr1, aMesh );
+ int aShapeId = tr1->getshapeId();
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ }
+ aMesh->RemoveElement( tr1 );
+ aMesh->RemoveElement( tr2 );
}
else {
const SMDS_MeshNode* N1 [6];
aNodes[5] = N2[5];
aNodes[6] = N2[3];
aNodes[7] = N1[5];
- if( tr1->GetID() < tr2->GetID() ) {
- GetMeshDS()->ChangeElementNodes( tr1, aNodes, 8 );
- myLastCreatedElems.Append(tr1);
- GetMeshDS()->RemoveElement( tr2 );
- }
- else {
- GetMeshDS()->ChangeElementNodes( tr2, aNodes, 8 );
- myLastCreatedElems.Append(tr2);
- GetMeshDS()->RemoveElement( tr1 );
- }
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddFace(aNodes[0], aNodes[1], aNodes[2], aNodes[3],
+ aNodes[4], aNodes[5], aNodes[6], aNodes[7]);
+ myLastCreatedElems.Append(newElem);
+ AddToSameGroups( newElem, tr1, aMesh );
+ int aShapeId = tr1->getshapeId();
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ }
+ aMesh->RemoveElement( tr1 );
+ aMesh->RemoveElement( tr2 );
// remove middle node (9)
GetMeshDS()->RemoveNode( N1[4] );
}
mapEl_setLi.erase( tr3 );
mapLi_listEl.erase( *link13 );
if(tr1->NbNodes()==3) {
- if( tr1->GetID() < tr2->GetID() ) {
- aMesh->ChangeElementNodes( tr1, n13, 4 );
- myLastCreatedElems.Append(tr1);
- aMesh->RemoveElement( tr3 );
- }
- else {
- aMesh->ChangeElementNodes( tr3, n13, 4 );
- myLastCreatedElems.Append(tr3);
- aMesh->RemoveElement( tr1 );
- }
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddFace(n13[0], n13[1], n13[2], n13[3] );
+ myLastCreatedElems.Append(newElem);
+ AddToSameGroups( newElem, tr1, aMesh );
+ int aShapeId = tr1->getshapeId();
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ }
+ aMesh->RemoveElement( tr1 );
+ aMesh->RemoveElement( tr3 );
}
else {
const SMDS_MeshNode* N1 [6];
aNodes[5] = N2[5];
aNodes[6] = N2[3];
aNodes[7] = N1[5];
- if( tr1->GetID() < tr2->GetID() ) {
- GetMeshDS()->ChangeElementNodes( tr1, aNodes, 8 );
- myLastCreatedElems.Append(tr1);
- GetMeshDS()->RemoveElement( tr3 );
- }
- else {
- GetMeshDS()->ChangeElementNodes( tr3, aNodes, 8 );
- myLastCreatedElems.Append(tr3);
- GetMeshDS()->RemoveElement( tr1 );
- }
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddFace(aNodes[0], aNodes[1], aNodes[2], aNodes[3],
+ aNodes[4], aNodes[5], aNodes[6], aNodes[7]);
+ myLastCreatedElems.Append(newElem);
+ AddToSameGroups( newElem, tr1, aMesh );
+ int aShapeId = tr1->getshapeId();
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ }
+ aMesh->RemoveElement( tr1 );
+ aMesh->RemoveElement( tr3 );
// remove middle node (9)
GetMeshDS()->RemoveNode( N1[4] );
}
while ( elemIt->more() )
{
const SMDS_MeshElement* elem = elemIt->next();
+ if(elem->GetType() == SMDSAbs_0DElement)
+ continue;
+
SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
if ( elem->GetType() == SMDSAbs_Volume )
{
if ( projector.IsDone() ) {
double u, v, minVal = DBL_MAX;
for ( int i = projector.NbExt(); i > 0; i-- )
+#if OCC_VERSION_LARGE > 0x06040000 // Porting to OCCT6.5.1
+ if ( projector.SquareDistance( i ) < minVal ) {
+ minVal = projector.SquareDistance( i );
+#else
if ( projector.Value( i ) < minVal ) {
minVal = projector.Value( i );
+#endif
projector.Point( i ).Parameter( u, v );
}
result.SetCoord( u, v );
SMDS_FaceIteratorPtr fIt = aMesh->facesIterator();
while ( fIt->more() ) {
const SMDS_MeshElement* face = fIt->next();
- theElems.insert( face );
+ theElems.insert( theElems.end(), face );
}
}
// get all face ids theElems are on
Handle(Geom_Surface) surface;
SMESHDS_SubMesh* faceSubMesh = 0;
TopoDS_Face face;
- double fToler2 = 0, vPeriod = 0., uPeriod = 0., f,l;
+ double fToler2 = 0, f,l;
double u1 = 0, u2 = 0, v1 = 0, v2 = 0;
bool isUPeriodic = false, isVPeriodic = false;
if ( *fId ) {
fToler2 *= fToler2 * 10.;
isUPeriodic = surface->IsUPeriodic();
if ( isUPeriodic )
- vPeriod = surface->UPeriod();
+ surface->UPeriod();
isVPeriodic = surface->IsVPeriodic();
if ( isVPeriodic )
- uPeriod = surface->VPeriod();
+ surface->VPeriod();
surface->Bounds( u1, u2, v1, v2 );
}
// ---------------------------------------------------------
while ( nn++ < nbn ) {
node = static_cast<const SMDS_MeshNode*>( itN->next() );
const SMDS_PositionPtr& pos = node->GetPosition();
- posType = pos.get() ? pos->GetTypeOfPosition() : SMDS_TOP_3DSPACE;
+ posType = pos ? pos->GetTypeOfPosition() : SMDS_TOP_3DSPACE;
if (posType != SMDS_TOP_EDGE &&
posType != SMDS_TOP_VERTEX &&
theFixedNodes.find( node ) == theFixedNodes.end())
node = *n;
gp_XY uv( 0, 0 );
const SMDS_PositionPtr& pos = node->GetPosition();
- posType = pos.get() ? pos->GetTypeOfPosition() : SMDS_TOP_3DSPACE;
+ posType = pos ? pos->GetTypeOfPosition() : SMDS_TOP_3DSPACE;
// get existing UV
switch ( posType ) {
case SMDS_TOP_FACE: {
- SMDS_FacePosition* fPos = ( SMDS_FacePosition* ) pos.get();
+ SMDS_FacePosition* fPos = ( SMDS_FacePosition* ) pos;
uv.SetCoord( fPos->GetUParameter(), fPos->GetVParameter() );
break;
}
case SMDS_TOP_EDGE: {
- TopoDS_Shape S = aMesh->IndexToShape( pos->GetShapeId() );
+ TopoDS_Shape S = aMesh->IndexToShape( node->getshapeId() );
Handle(Geom2d_Curve) pcurve;
if ( !S.IsNull() && S.ShapeType() == TopAbs_EDGE )
pcurve = BRep_Tool::CurveOnSurface( TopoDS::Edge( S ), face, f,l );
if ( !pcurve.IsNull() ) {
- double u = (( SMDS_EdgePosition* ) pos.get() )->GetUParameter();
+ double u = (( SMDS_EdgePosition* ) pos )->GetUParameter();
uv = pcurve->Value( u ).XY();
}
break;
}
case SMDS_TOP_VERTEX: {
- TopoDS_Shape S = aMesh->IndexToShape( pos->GetShapeId() );
+ TopoDS_Shape S = aMesh->IndexToShape( node->getshapeId() );
if ( !S.IsNull() && S.ShapeType() == TopAbs_VERTEX )
uv = BRep_Tool::Parameters( TopoDS::Vertex( S ), face ).XY();
break;
// fix nodes on mesh boundary
if ( checkBoundaryNodes ) {
- map< NLink, int > linkNbMap; // how many times a link encounters in elemsOnFace
- map< NLink, int >::iterator link_nb;
+ map< SMESH_TLink, int > linkNbMap; // how many times a link encounters in elemsOnFace
+ map< SMESH_TLink, int >::iterator link_nb;
// put all elements links to linkNbMap
list< const SMDS_MeshElement* >::iterator elemIt = elemsOnFace.begin();
for ( ; elemIt != elemsOnFace.end(); ++elemIt ) {
const SMDS_MeshElement* elem = (*elemIt);
- int nbn = elem->NbNodes();
- if(elem->IsQuadratic())
- nbn = nbn/2;
+ int nbn = elem->NbCornerNodes();
// loop on elem links: insert them in linkNbMap
- const SMDS_MeshNode* curNode, *prevNode = elem->GetNodeWrap( nbn );
for ( int iN = 0; iN < nbn; ++iN ) {
- curNode = elem->GetNode( iN );
- NLink link;
- if ( curNode < prevNode ) link = make_pair( curNode , prevNode );
- else link = make_pair( prevNode , curNode );
- prevNode = curNode;
- link_nb = linkNbMap.find( link );
- if ( link_nb == linkNbMap.end() )
- linkNbMap.insert( make_pair ( link, 1 ));
- else
- link_nb->second++;
+ const SMDS_MeshNode* n1 = elem->GetNode( iN );
+ const SMDS_MeshNode* n2 = elem->GetNode(( iN+1 ) % nbn);
+ SMESH_TLink link( n1, n2 );
+ link_nb = linkNbMap.insert( make_pair( link, 0 )).first;
+ link_nb->second++;
}
}
// remove nodes that are in links encountered only once from setMovableNodes
for ( link_nb = linkNbMap.begin(); link_nb != linkNbMap.end(); ++link_nb ) {
if ( link_nb->second == 1 ) {
- setMovableNodes.erase( link_nb->first.first );
- setMovableNodes.erase( link_nb->first.second );
+ setMovableNodes.erase( link_nb->first.node1() );
+ setMovableNodes.erase( link_nb->first.node2() );
}
}
}
if ( node_uv != uvMap.end() ) {
gp_XY* uv = node_uv->second;
node->SetPosition
- ( SMDS_PositionPtr( new SMDS_FacePosition( *fId, uv->X(), uv->Y() )));
+ ( SMDS_PositionPtr( new SMDS_FacePosition( uv->X(), uv->Y() )));
}
}
helper.SetSubShape( face );
list< const SMDS_MeshElement* >::iterator elemIt = elemsOnFace.begin();
for ( ; elemIt != elemsOnFace.end(); ++elemIt ) {
- const SMDS_QuadraticFaceOfNodes* QF =
- dynamic_cast<const SMDS_QuadraticFaceOfNodes*> (*elemIt);
- if(QF) {
+ const SMDS_VtkFace* QF =
+ dynamic_cast<const SMDS_VtkFace*> (*elemIt);
+ if(QF && QF->IsQuadratic()) {
vector<const SMDS_MeshNode*> Ns;
Ns.reserve(QF->NbNodes()+1);
- SMDS_NodeIteratorPtr anIter = QF->interlacedNodesIterator();
+ SMDS_ElemIteratorPtr anIter = QF->interlacedNodesElemIterator();
while ( anIter->more() )
- Ns.push_back( anIter->next() );
+ Ns.push_back( cast2Node(anIter->next()) );
Ns.push_back( Ns[0] );
double x, y, z;
for(int i=0; i<QF->NbNodes(); i=i+2) {
//function : isReverse
//purpose : Return true if normal of prevNodes is not co-directied with
// gp_Vec(prevNodes[iNotSame],nextNodes[iNotSame]).
-// iNotSame is where prevNodes and nextNodes are different
+// iNotSame is where prevNodes and nextNodes are different.
+// If result is true then future volume orientation is OK
//=======================================================================
-static bool isReverse(vector<const SMDS_MeshNode*> prevNodes,
- vector<const SMDS_MeshNode*> nextNodes,
- const int nbNodes,
- const int iNotSame)
+static bool isReverse(const SMDS_MeshElement* face,
+ const vector<const SMDS_MeshNode*>& prevNodes,
+ const vector<const SMDS_MeshNode*>& nextNodes,
+ const int iNotSame)
{
- int iBeforeNotSame = ( iNotSame == 0 ? nbNodes - 1 : iNotSame - 1 );
- int iAfterNotSame = ( iNotSame + 1 == nbNodes ? 0 : iNotSame + 1 );
- const SMDS_MeshNode* nB = prevNodes[ iBeforeNotSame ];
- const SMDS_MeshNode* nA = prevNodes[ iAfterNotSame ];
- const SMDS_MeshNode* nP = prevNodes[ iNotSame ];
- const SMDS_MeshNode* nN = nextNodes[ iNotSame ];
+ SMESH_TNodeXYZ pP = prevNodes[ iNotSame ];
+ SMESH_TNodeXYZ pN = nextNodes[ iNotSame ];
+ gp_XYZ extrDir( pN - pP ), faceNorm;
+ SMESH_Algo::FaceNormal( face, faceNorm, /*normalized=*/false );
- gp_Pnt pB ( nB->X(), nB->Y(), nB->Z() );
- gp_Pnt pA ( nA->X(), nA->Y(), nA->Z() );
- gp_Pnt pP ( nP->X(), nP->Y(), nP->Z() );
- gp_Pnt pN ( nN->X(), nN->Y(), nN->Z() );
-
- gp_Vec vB ( pP, pB ), vA ( pP, pA ), vN ( pP, pN );
-
- return (vA ^ vB) * vN < 0.0;
+ return faceNorm * extrDir < 0.0;
}
//=======================================================================
const int nbSteps,
SMESH_SequenceOfElemPtr& srcElements)
{
+ //MESSAGE("sweepElement " << nbSteps);
SMESHDS_Mesh* aMesh = GetMeshDS();
+ const int nbNodes = elem->NbNodes();
+ const int nbCorners = elem->NbCornerNodes();
+ SMDSAbs_EntityType baseType = elem->GetEntityType(); /* it can change in case of
+ polyhedron creation !!! */
// Loop on elem nodes:
// find new nodes and detect same nodes indices
- int nbNodes = elem->NbNodes();
vector < list< const SMDS_MeshNode* >::const_iterator > itNN( nbNodes );
vector<const SMDS_MeshNode*> prevNod( nbNodes );
vector<const SMDS_MeshNode*> nextNod( nbNodes );
vector<const SMDS_MeshNode*> midlNod( nbNodes );
- int iNode, nbSame = 0, iNotSameNode = 0, iSameNode = 0;
+ int iNode, nbSame = 0, nbDouble = 0, iNotSameNode = 0;
vector<int> sames(nbNodes);
- vector<bool> issimple(nbNodes);
+ vector<bool> isSingleNode(nbNodes);
for ( iNode = 0; iNode < nbNodes; iNode++ ) {
- TNodeOfNodeListMapItr nnIt = newNodesItVec[ iNode ];
- const SMDS_MeshNode* node = nnIt->first;
+ TNodeOfNodeListMapItr nnIt = newNodesItVec[ iNode ];
+ const SMDS_MeshNode* node = nnIt->first;
const list< const SMDS_MeshNode* > & listNewNodes = nnIt->second;
- if ( listNewNodes.empty() ) {
+ if ( listNewNodes.empty() )
return;
- }
-
- issimple[iNode] = (listNewNodes.size()==nbSteps);
- itNN[ iNode ] = listNewNodes.begin();
+ itNN [ iNode ] = listNewNodes.begin();
prevNod[ iNode ] = node;
nextNod[ iNode ] = listNewNodes.front();
- if( !issimple[iNode] ) {
- if ( prevNod[ iNode ] != nextNod [ iNode ])
- iNotSameNode = iNode;
- else {
- iSameNode = iNode;
- //nbSame++;
+
+ isSingleNode[iNode] = (listNewNodes.size()==nbSteps); /* medium node of quadratic or
+ corner node of linear */
+ if ( prevNod[ iNode ] != nextNod [ iNode ])
+ nbDouble += !isSingleNode[iNode];
+
+ if( iNode < nbCorners ) { // check corners only
+ if ( prevNod[ iNode ] == nextNod [ iNode ])
sames[nbSame++] = iNode;
- }
+ else
+ iNotSameNode = iNode;
}
}
- //cout<<" nbSame = "<<nbSame<<endl;
if ( nbSame == nbNodes || nbSame > 2) {
- //MESSAGE( " Too many same nodes of element " << elem->GetID() );
- INFOS( " Too many same nodes of element " << elem->GetID() );
+ MESSAGE( " Too many same nodes of element " << elem->GetID() );
return;
}
- // if( elem->IsQuadratic() && nbSame>0 ) {
- // MESSAGE( "Can not rotate quadratic element " << elem->GetID() );
- // return;
- // }
-
- int iBeforeSame = 0, iAfterSame = 0, iOpposSame = 0;
- int nbBaseNodes = ( elem->IsQuadratic() ? nbNodes/2 : nbNodes );
- if ( nbSame > 0 ) {
- iBeforeSame = ( iSameNode == 0 ? nbBaseNodes - 1 : iSameNode - 1 );
- iAfterSame = ( iSameNode + 1 == nbBaseNodes ? 0 : iSameNode + 1 );
- iOpposSame = ( iSameNode - 2 < 0 ? iSameNode + 2 : iSameNode - 2 );
+ if ( elem->GetType() == SMDSAbs_Face && !isReverse( elem, prevNod, nextNod, iNotSameNode ))
+ {
+ // fix nodes order to have bottom normal external
+ if ( baseType == SMDSEntity_Polygon )
+ {
+ std::reverse( itNN.begin(), itNN.end() );
+ std::reverse( prevNod.begin(), prevNod.end() );
+ std::reverse( midlNod.begin(), midlNod.end() );
+ std::reverse( nextNod.begin(), nextNod.end() );
+ std::reverse( isSingleNode.begin(), isSingleNode.end() );
+ }
+ else
+ {
+ const vector<int>& ind = SMDS_MeshCell::reverseSmdsOrder( baseType );
+ SMDS_MeshCell::applyInterlace( ind, itNN );
+ SMDS_MeshCell::applyInterlace( ind, prevNod );
+ SMDS_MeshCell::applyInterlace( ind, nextNod );
+ SMDS_MeshCell::applyInterlace( ind, midlNod );
+ SMDS_MeshCell::applyInterlace( ind, isSingleNode );
+ if ( nbSame > 0 )
+ {
+ sames[nbSame] = iNotSameNode;
+ for ( int j = 0; j <= nbSame; ++j )
+ for ( size_t i = 0; i < ind.size(); ++i )
+ if ( ind[i] == sames[j] )
+ {
+ sames[j] = i;
+ break;
+ }
+ iNotSameNode = sames[nbSame];
+ }
+ }
}
- //if(nbNodes==8)
- //cout<<" prevNod[0]="<< prevNod[0]<<" prevNod[1]="<< prevNod[1]
- // <<" prevNod[2]="<< prevNod[2]<<" prevNod[3]="<< prevNod[4]
- // <<" prevNod[4]="<< prevNod[4]<<" prevNod[5]="<< prevNod[5]
- // <<" prevNod[6]="<< prevNod[6]<<" prevNod[7]="<< prevNod[7]<<endl;
-
- // check element orientation
- int i0 = 0, i2 = 2;
- if ( nbNodes > 2 && !isReverse( prevNod, nextNod, nbNodes, iNotSameNode )) {
- //MESSAGE("Reversed elem " << elem );
- i0 = 2;
- i2 = 0;
- if ( nbSame > 0 )
- std::swap( iBeforeSame, iAfterSame );
+ int iSameNode = 0, iBeforeSame = 0, iAfterSame = 0, iOpposSame = 0;
+ if ( nbSame > 0 ) {
+ iSameNode = sames[ nbSame-1 ];
+ iBeforeSame = ( iSameNode + nbCorners - 1 ) % nbCorners;
+ iAfterSame = ( iSameNode + 1 ) % nbCorners;
+ iOpposSame = ( iSameNode - 2 < 0 ? iSameNode + 2 : iSameNode - 2 );
}
// make new elements
- for (int iStep = 0; iStep < nbSteps; iStep++ ) {
+ for (int iStep = 0; iStep < nbSteps; iStep++ )
+ {
// get next nodes
- for ( iNode = 0; iNode < nbNodes; iNode++ ) {
- if(issimple[iNode]) {
- nextNod[ iNode ] = *itNN[ iNode ];
- itNN[ iNode ]++;
- }
- else {
- if( elem->GetType()==SMDSAbs_Node ) {
- // we have to use two nodes
- midlNod[ iNode ] = *itNN[ iNode ];
- itNN[ iNode ]++;
- nextNod[ iNode ] = *itNN[ iNode ];
- itNN[ iNode ]++;
- }
- else if(!elem->IsQuadratic() || elem->IsMediumNode(prevNod[iNode]) ) {
- // we have to use each second node
- //itNN[ iNode ]++;
- nextNod[ iNode ] = *itNN[ iNode ];
- itNN[ iNode ]++;
- }
- else {
- // we have to use two nodes
- midlNod[ iNode ] = *itNN[ iNode ];
- itNN[ iNode ]++;
- nextNod[ iNode ] = *itNN[ iNode ];
- itNN[ iNode ]++;
- }
- }
+ for ( iNode = 0; iNode < nbNodes; iNode++ )
+ {
+ midlNod[ iNode ] = isSingleNode[iNode] ? 0 : *itNN[ iNode ]++;
+ nextNod[ iNode ] = *itNN[ iNode ]++;
}
+
SMDS_MeshElement* aNewElem = 0;
- if(!elem->IsPoly()) {
- switch ( nbNodes ) {
- case 0:
- return;
- case 1: { // NODE
+ /*if(!elem->IsPoly())*/ {
+ switch ( baseType ) {
+ case SMDSEntity_0D:
+ case SMDSEntity_Node: { // sweep NODE
if ( nbSame == 0 ) {
- if(issimple[0])
+ if ( isSingleNode[0] )
aNewElem = aMesh->AddEdge( prevNod[ 0 ], nextNod[ 0 ] );
else
aNewElem = aMesh->AddEdge( prevNod[ 0 ], nextNod[ 0 ], midlNod[ 0 ] );
}
+ else
+ return;
break;
}
- case 2: { // EDGE
- if ( nbSame == 0 )
- aNewElem = aMesh->AddFace(prevNod[ 0 ], prevNod[ 1 ],
- nextNod[ 1 ], nextNod[ 0 ] );
- else
- aNewElem = aMesh->AddFace(prevNod[ 0 ], prevNod[ 1 ],
- nextNod[ iNotSameNode ] );
+ case SMDSEntity_Edge: { // sweep EDGE
+ if ( nbDouble == 0 )
+ {
+ if ( nbSame == 0 ) // ---> quadrangle
+ aNewElem = aMesh->AddFace(prevNod[ 0 ], prevNod[ 1 ],
+ nextNod[ 1 ], nextNod[ 0 ] );
+ else // ---> triangle
+ aNewElem = aMesh->AddFace(prevNod[ 0 ], prevNod[ 1 ],
+ nextNod[ iNotSameNode ] );
+ }
+ else // ---> polygon
+ {
+ vector<const SMDS_MeshNode*> poly_nodes;
+ poly_nodes.push_back( prevNod[0] );
+ poly_nodes.push_back( prevNod[1] );
+ if ( prevNod[1] != nextNod[1] )
+ {
+ if ( midlNod[1]) poly_nodes.push_back( midlNod[1]);
+ poly_nodes.push_back( nextNod[1] );
+ }
+ if ( prevNod[0] != nextNod[0] )
+ {
+ poly_nodes.push_back( nextNod[0] );
+ if ( midlNod[0]) poly_nodes.push_back( midlNod[0]);
+ }
+ switch ( poly_nodes.size() ) {
+ case 3:
+ aNewElem = aMesh->AddFace( poly_nodes[ 0 ], poly_nodes[ 1 ], poly_nodes[ 2 ]);
+ break;
+ case 4:
+ aNewElem = aMesh->AddFace( poly_nodes[ 0 ], poly_nodes[ 1 ],
+ poly_nodes[ 2 ], poly_nodes[ 3 ]);
+ break;
+ default:
+ aNewElem = aMesh->AddPolygonalFace (poly_nodes);
+ }
+ }
break;
}
-
- case 3: { // TRIANGLE or quadratic edge
- if(elem->GetType() == SMDSAbs_Face) { // TRIANGLE
-
- if ( nbSame == 0 ) // --- pentahedron
- aNewElem = aMesh->AddVolume (prevNod[ i0 ], prevNod[ 1 ], prevNod[ i2 ],
- nextNod[ i0 ], nextNod[ 1 ], nextNod[ i2 ] );
-
- else if ( nbSame == 1 ) // --- pyramid
- aNewElem = aMesh->AddVolume (prevNod[ iBeforeSame ], prevNod[ iAfterSame ],
- nextNod[ iAfterSame ], nextNod[ iBeforeSame ],
+ case SMDSEntity_Triangle: // TRIANGLE --->
+ {
+ if ( nbDouble > 0 ) break;
+ if ( nbSame == 0 ) // ---> pentahedron
+ aNewElem = aMesh->AddVolume (prevNod[ 0 ], prevNod[ 1 ], prevNod[ 2 ],
+ nextNod[ 0 ], nextNod[ 1 ], nextNod[ 2 ] );
+
+ else if ( nbSame == 1 ) // ---> pyramid
+ aNewElem = aMesh->AddVolume (prevNod[ iBeforeSame ], prevNod[ iAfterSame ],
+ nextNod[ iAfterSame ], nextNod[ iBeforeSame ],
nextNod[ iSameNode ]);
- else // 2 same nodes: --- tetrahedron
- aNewElem = aMesh->AddVolume (prevNod[ i0 ], prevNod[ 1 ], prevNod[ i2 ],
+ else // 2 same nodes: ---> tetrahedron
+ aNewElem = aMesh->AddVolume (prevNod[ 0 ], prevNod[ 1 ], prevNod[ 2 ],
nextNod[ iNotSameNode ]);
+ break;
}
- else { // quadratic edge
- if(nbSame==0) { // quadratic quadrangle
- aNewElem = aMesh->AddFace(prevNod[0], nextNod[0], nextNod[1], prevNod[1],
- midlNod[0], nextNod[2], midlNod[1], prevNod[2]);
- }
- else if(nbSame==1) { // quadratic triangle
- if(sames[0]==2) {
- return; // medium node on axis
+ case SMDSEntity_Quad_Edge: // sweep quadratic EDGE --->
+ {
+ if ( nbSame == 2 )
+ return;
+ if ( nbDouble+nbSame == 2 )
+ {
+ if(nbSame==0) { // ---> quadratic quadrangle
+ aNewElem = aMesh->AddFace(prevNod[0], prevNod[1], nextNod[1], nextNod[0],
+ prevNod[2], midlNod[1], nextNod[2], midlNod[0]);
}
- else if(sames[0]==0) {
- aNewElem = aMesh->AddFace(prevNod[0], nextNod[1], prevNod[1],
- nextNod[2], midlNod[1], prevNod[2]);
+ else { //(nbSame==1) // ---> quadratic triangle
+ if(sames[0]==2) {
+ return; // medium node on axis
+ }
+ else if(sames[0]==0)
+ aNewElem = aMesh->AddFace(prevNod[0], nextNod[1], prevNod[1],
+ nextNod[2], midlNod[1], prevNod[2]);
+ else // sames[0]==1
+ aNewElem = aMesh->AddFace(prevNod[0], nextNod[0], prevNod[1],
+ midlNod[0], nextNod[2], prevNod[2]);
}
- else { // sames[0]==1
- aNewElem = aMesh->AddFace(prevNod[0], nextNod[0], prevNod[1],
- midlNod[0], nextNod[2], prevNod[2]);
+ }
+ else if ( nbDouble == 3 )
+ {
+ if ( nbSame == 0 ) { // ---> bi-quadratic quadrangle
+ aNewElem = aMesh->AddFace(prevNod[0], prevNod[1], nextNod[1], nextNod[0],
+ prevNod[2], midlNod[1], nextNod[2], midlNod[0], midlNod[2]);
}
}
- else {
+ else
return;
- }
+ break;
}
- break;
- }
- case 4: { // QUADRANGLE
+ case SMDSEntity_Quadrangle: { // sweep QUADRANGLE --->
+ if ( nbDouble > 0 ) break;
- if ( nbSame == 0 ) // --- hexahedron
- aNewElem = aMesh->AddVolume (prevNod[ i0 ], prevNod[ 1 ], prevNod[ i2 ], prevNod[ 3 ],
- nextNod[ i0 ], nextNod[ 1 ], nextNod[ i2 ], nextNod[ 3 ]);
+ if ( nbSame == 0 ) // ---> hexahedron
+ aNewElem = aMesh->AddVolume (prevNod[ 0 ], prevNod[ 1 ], prevNod[ 2 ], prevNod[ 3 ],
+ nextNod[ 0 ], nextNod[ 1 ], nextNod[ 2 ], nextNod[ 3 ]);
- else if ( nbSame == 1 ) { // --- pyramid + pentahedron
- aNewElem = aMesh->AddVolume (prevNod[ iBeforeSame ], prevNod[ iAfterSame ],
- nextNod[ iAfterSame ], nextNod[ iBeforeSame ],
+ else if ( nbSame == 1 ) { // ---> pyramid + pentahedron
+ aNewElem = aMesh->AddVolume (prevNod[ iBeforeSame ], prevNod[ iAfterSame ],
+ nextNod[ iAfterSame ], nextNod[ iBeforeSame ],
nextNod[ iSameNode ]);
newElems.push_back( aNewElem );
- aNewElem = aMesh->AddVolume (prevNod[ iAfterSame ], prevNod[ iOpposSame ],
- prevNod[ iBeforeSame ], nextNod[ iAfterSame ],
+ aNewElem = aMesh->AddVolume (prevNod[ iAfterSame ], prevNod[ iOpposSame ],
+ prevNod[ iBeforeSame ], nextNod[ iAfterSame ],
nextNod[ iOpposSame ], nextNod[ iBeforeSame ] );
}
- else if ( nbSame == 2 ) { // pentahedron
+ else if ( nbSame == 2 ) { // ---> pentahedron
if ( prevNod[ iBeforeSame ] == nextNod[ iBeforeSame ] )
// iBeforeSame is same too
aNewElem = aMesh->AddVolume (prevNod[ iBeforeSame ], prevNod[ iOpposSame ],
- nextNod[ iOpposSame ], prevNod[ iSameNode ],
+ nextNod[ iOpposSame ], prevNod[ iSameNode ],
prevNod[ iAfterSame ], nextNod[ iAfterSame ]);
else
// iAfterSame is same too
- aNewElem = aMesh->AddVolume (prevNod[ iSameNode ], prevNod[ iBeforeSame ],
+ aNewElem = aMesh->AddVolume (prevNod[ iSameNode ], prevNod[ iBeforeSame ],
nextNod[ iBeforeSame ], prevNod[ iAfterSame ],
prevNod[ iOpposSame ], nextNod[ iOpposSame ]);
}
break;
}
- case 6: { // quadratic triangle
- // create pentahedron with 15 nodes
+ case SMDSEntity_Quad_Triangle: { // sweep Quadratic TRIANGLE --->
+ if ( nbDouble+nbSame != 3 ) break;
if(nbSame==0) {
- if(i0>0) { // reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[2], prevNod[1],
- nextNod[0], nextNod[2], nextNod[1],
- prevNod[5], prevNod[4], prevNod[3],
- nextNod[5], nextNod[4], nextNod[3],
- midlNod[0], midlNod[2], midlNod[1]);
- }
- else { // not reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2],
- nextNod[0], nextNod[1], nextNod[2],
- prevNod[3], prevNod[4], prevNod[5],
- nextNod[3], nextNod[4], nextNod[5],
- midlNod[0], midlNod[1], midlNod[2]);
- }
+ // ---> pentahedron with 15 nodes
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2],
+ nextNod[0], nextNod[1], nextNod[2],
+ prevNod[3], prevNod[4], prevNod[5],
+ nextNod[3], nextNod[4], nextNod[5],
+ midlNod[0], midlNod[1], midlNod[2]);
}
else if(nbSame==1) {
- // 2d order pyramid of 13 nodes
- //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4, int n5,
- // int n12,int n23,int n34,int n41,
- // int n15,int n25,int n35,int n45, int ID);
- int n5 = iSameNode;
- int n1,n4,n41,n15,n45;
- if(i0>0) { // reversed case
- n1 = ( n5 + 1 == nbBaseNodes ? 0 : n5 + 1 );
- n4 = ( n5 == 0 ? nbBaseNodes - 1 : n5 - 1 );
- n41 = n1 + 3;
- n15 = n5 + 3;
- n45 = n4 + 3;
- }
- else {
- n1 = ( n5 == 0 ? nbBaseNodes - 1 : n5 - 1 );
- n4 = ( n5 + 1 == nbBaseNodes ? 0 : n5 + 1 );
- n41 = n4 + 3;
- n15 = n1 + 3;
- n45 = n5 + 3;
- }
- aNewElem = aMesh->AddVolume(prevNod[n1], nextNod[n1],
- nextNod[n4], prevNod[n4], prevNod[n5],
- midlNod[n1], nextNod[n41],
- midlNod[n4], prevNod[n41],
- prevNod[n15], nextNod[n15],
- nextNod[n45], prevNod[n45]);
+ // ---> 2d order pyramid of 13 nodes
+ int apex = iSameNode;
+ int i0 = ( apex + 1 ) % nbCorners;
+ int i1 = ( apex - 1 + nbCorners ) % nbCorners;
+ int i0a = apex + 3;
+ int i1a = i1 + 3;
+ int i01 = i0 + 3;
+ aNewElem = aMesh->AddVolume(prevNod[i1], prevNod[i0],
+ nextNod[i0], nextNod[i1], prevNod[apex],
+ prevNod[i01], midlNod[i0],
+ nextNod[i01], midlNod[i1],
+ prevNod[i1a], prevNod[i0a],
+ nextNod[i0a], nextNod[i1a]);
}
else if(nbSame==2) {
- // 2d order tetrahedron of 10 nodes
- //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4,
- // int n12,int n23,int n31,
- // int n14,int n24,int n34, int ID);
+ // ---> 2d order tetrahedron of 10 nodes
int n1 = iNotSameNode;
- int n2,n3,n12,n23,n31;
- if(i0>0) { // reversed case
- n2 = ( n1 == 0 ? nbBaseNodes - 1 : n1 - 1 );
- n3 = ( n1 + 1 == nbBaseNodes ? 0 : n1 + 1 );
- n12 = n2 + 3;
- n23 = n3 + 3;
- n31 = n1 + 3;
- }
- else {
- n2 = ( n1 + 1 == nbBaseNodes ? 0 : n1 + 1 );
- n3 = ( n1 == 0 ? nbBaseNodes - 1 : n1 - 1 );
- n12 = n1 + 3;
- n23 = n2 + 3;
- n31 = n3 + 3;
- }
+ int n2 = ( n1 + 1 ) % nbCorners;
+ int n3 = ( n1 + nbCorners - 1 ) % nbCorners;
+ int n12 = n1 + 3;
+ int n23 = n2 + 3;
+ int n31 = n3 + 3;
aNewElem = aMesh->AddVolume (prevNod[n1], prevNod[n2], prevNod[n3], nextNod[n1],
prevNod[n12], prevNod[n23], prevNod[n31],
midlNod[n1], nextNod[n12], nextNod[n31]);
}
break;
}
- case 8: { // quadratic quadrangle
- if(nbSame==0) {
- // create hexahedron with 20 nodes
- if(i0>0) { // reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[3], prevNod[2], prevNod[1],
- nextNod[0], nextNod[3], nextNod[2], nextNod[1],
- prevNod[7], prevNod[6], prevNod[5], prevNod[4],
- nextNod[7], nextNod[6], nextNod[5], nextNod[4],
- midlNod[0], midlNod[3], midlNod[2], midlNod[1]);
- }
- else { // not reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2], prevNod[3],
- nextNod[0], nextNod[1], nextNod[2], nextNod[3],
- prevNod[4], prevNod[5], prevNod[6], prevNod[7],
- nextNod[4], nextNod[5], nextNod[6], nextNod[7],
- midlNod[0], midlNod[1], midlNod[2], midlNod[3]);
- }
+ case SMDSEntity_Quad_Quadrangle: { // sweep Quadratic QUADRANGLE --->
+ if( nbSame == 0 ) {
+ if ( nbDouble != 4 ) break;
+ // ---> hexahedron with 20 nodes
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2], prevNod[3],
+ nextNod[0], nextNod[1], nextNod[2], nextNod[3],
+ prevNod[4], prevNod[5], prevNod[6], prevNod[7],
+ nextNod[4], nextNod[5], nextNod[6], nextNod[7],
+ midlNod[0], midlNod[1], midlNod[2], midlNod[3]);
}
- else if(nbSame==1) {
- // --- pyramid + pentahedron - can not be created since it is needed
- // additional middle node ot the center of face
+ else if(nbSame==1) {
+ // ---> pyramid + pentahedron - can not be created since it is needed
+ // additional middle node at the center of face
INFOS( " Sweep for face " << elem->GetID() << " can not be created" );
return;
}
- else if(nbSame==2) {
- // 2d order Pentahedron with 15 nodes
- //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4, int n5, int n6,
- // int n12,int n23,int n31,int n45,int n56,int n64,
- // int n14,int n25,int n36, int ID);
+ else if( nbSame == 2 ) {
+ if ( nbDouble != 2 ) break;
+ // ---> 2d order Pentahedron with 15 nodes
int n1,n2,n4,n5;
if ( prevNod[ iBeforeSame ] == nextNod[ iBeforeSame ] ) {
// iBeforeSame is same too
n4 = iAfterSame;
n5 = iOpposSame;
}
- int n12,n45,n14,n25;
- if(i0>0) { //reversed case
- n12 = n1 + 4;
- n45 = n5 + 4;
- n14 = n4 + 4;
- n25 = n2 + 4;
- }
- else {
- n12 = n2 + 4;
- n45 = n4 + 4;
- n14 = n1 + 4;
- n25 = n5 + 4;
- }
+ int n12 = n2 + 4;
+ int n45 = n4 + 4;
+ int n14 = n1 + 4;
+ int n25 = n5 + 4;
aNewElem = aMesh->AddVolume (prevNod[n1], prevNod[n2], nextNod[n2],
prevNod[n4], prevNod[n5], nextNod[n5],
prevNod[n12], midlNod[n2], nextNod[n12],
}
break;
}
- default: {
- // realized for extrusion only
- //vector<const SMDS_MeshNode*> polyedre_nodes (nbNodes*2 + 4*nbNodes);
- //vector<int> quantities (nbNodes + 2);
-
- //quantities[0] = nbNodes; // bottom of prism
- //for (int inode = 0; inode < nbNodes; inode++) {
- // polyedre_nodes[inode] = prevNod[inode];
- //}
-
- //quantities[1] = nbNodes; // top of prism
- //for (int inode = 0; inode < nbNodes; inode++) {
- // polyedre_nodes[nbNodes + inode] = nextNod[inode];
- //}
-
- //for (int iface = 0; iface < nbNodes; iface++) {
- // quantities[iface + 2] = 4;
- // int inextface = (iface == nbNodes - 1) ? 0 : iface + 1;
- // polyedre_nodes[2*nbNodes + 4*iface + 0] = prevNod[iface];
- // polyedre_nodes[2*nbNodes + 4*iface + 1] = prevNod[inextface];
- // polyedre_nodes[2*nbNodes + 4*iface + 2] = nextNod[inextface];
- // polyedre_nodes[2*nbNodes + 4*iface + 3] = nextNod[iface];
- //}
- //aNewElem = aMesh->AddPolyhedralVolume (polyedre_nodes, quantities);
+ case SMDSEntity_BiQuad_Quadrangle: { // sweep BiQuadratic QUADRANGLE --->
+
+ if( nbSame == 0 && nbDouble == 9 ) {
+ // ---> tri-quadratic hexahedron with 27 nodes
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2], prevNod[3],
+ nextNod[0], nextNod[1], nextNod[2], nextNod[3],
+ prevNod[4], prevNod[5], prevNod[6], prevNod[7],
+ nextNod[4], nextNod[5], nextNod[6], nextNod[7],
+ midlNod[0], midlNod[1], midlNod[2], midlNod[3],
+ prevNod[8], // bottom center
+ midlNod[4], midlNod[5], midlNod[6], midlNod[7],
+ nextNod[8], // top center
+ midlNod[8]);// elem center
+ }
+ else
+ {
+ return;
+ }
break;
}
- }
- }
-
- if(!aNewElem) {
- // realized for extrusion only
- vector<const SMDS_MeshNode*> polyedre_nodes (nbNodes*2 + 4*nbNodes);
- vector<int> quantities (nbNodes + 2);
+ case SMDSEntity_Polygon: { // sweep POLYGON
- quantities[0] = nbNodes; // bottom of prism
- for (int inode = 0; inode < nbNodes; inode++) {
- polyedre_nodes[inode] = prevNod[inode];
+ if ( nbNodes == 6 && nbSame == 0 && nbDouble == 0 ) {
+ // ---> hexagonal prism
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2],
+ prevNod[3], prevNod[4], prevNod[5],
+ nextNod[0], nextNod[1], nextNod[2],
+ nextNod[3], nextNod[4], nextNod[5]);
+ }
+ break;
}
+ case SMDSEntity_Ball:
+ return;
- quantities[1] = nbNodes; // top of prism
- for (int inode = 0; inode < nbNodes; inode++) {
- polyedre_nodes[nbNodes + inode] = nextNod[inode];
+ default:
+ break;
}
+ }
- for (int iface = 0; iface < nbNodes; iface++) {
- quantities[iface + 2] = 4;
- int inextface = (iface == nbNodes - 1) ? 0 : iface + 1;
- polyedre_nodes[2*nbNodes + 4*iface + 0] = prevNod[iface];
- polyedre_nodes[2*nbNodes + 4*iface + 1] = prevNod[inextface];
- polyedre_nodes[2*nbNodes + 4*iface + 2] = nextNod[inextface];
- polyedre_nodes[2*nbNodes + 4*iface + 3] = nextNod[iface];
+ if ( !aNewElem && elem->GetType() == SMDSAbs_Face ) // try to create a polyherdal prism
+ {
+ if ( baseType != SMDSEntity_Polygon )
+ {
+ const std::vector<int>& ind = SMDS_MeshCell::interlacedSmdsOrder(baseType);
+ SMDS_MeshCell::applyInterlace( ind, prevNod );
+ SMDS_MeshCell::applyInterlace( ind, nextNod );
+ SMDS_MeshCell::applyInterlace( ind, midlNod );
+ SMDS_MeshCell::applyInterlace( ind, itNN );
+ SMDS_MeshCell::applyInterlace( ind, isSingleNode );
+ baseType = SMDSEntity_Polygon; // WARNING: change baseType !!!!
+ }
+ vector<const SMDS_MeshNode*> polyedre_nodes (nbNodes*2 + 4*nbNodes);
+ vector<int> quantities (nbNodes + 2);
+ polyedre_nodes.clear();
+ quantities.clear();
+
+ // bottom of prism
+ for (int inode = 0; inode < nbNodes; inode++)
+ polyedre_nodes.push_back( prevNod[inode] );
+ quantities.push_back( nbNodes );
+
+ // top of prism
+ polyedre_nodes.push_back( nextNod[0] );
+ for (int inode = nbNodes; inode-1; --inode )
+ polyedre_nodes.push_back( nextNod[inode-1] );
+ quantities.push_back( nbNodes );
+
+ // side faces
+ for (int iface = 0; iface < nbNodes; iface++)
+ {
+ const int prevNbNodes = polyedre_nodes.size();
+ int inextface = (iface+1) % nbNodes;
+ polyedre_nodes.push_back( prevNod[inextface] );
+ polyedre_nodes.push_back( prevNod[iface] );
+ if ( prevNod[iface] != nextNod[iface] )
+ {
+ if ( midlNod[ iface ]) polyedre_nodes.push_back( midlNod[ iface ]);
+ polyedre_nodes.push_back( nextNod[iface] );
+ }
+ if ( prevNod[inextface] != nextNod[inextface] )
+ {
+ polyedre_nodes.push_back( nextNod[inextface] );
+ if ( midlNod[ inextface ]) polyedre_nodes.push_back( midlNod[ inextface ]);
+ }
+ const int nbFaceNodes = polyedre_nodes.size() - prevNbNodes;
+ if ( nbFaceNodes > 2 )
+ quantities.push_back( nbFaceNodes );
+ else // degenerated face
+ polyedre_nodes.resize( prevNbNodes );
}
aNewElem = aMesh->AddPolyhedralVolume (polyedre_nodes, quantities);
}
// Find nodes belonging to only one initial element - sweep them to get edges.
TNodeOfNodeListMapItr nList = mapNewNodes.begin();
- for ( ; nList != mapNewNodes.end(); nList++ ) {
+ for ( ; nList != mapNewNodes.end(); nList++ )
+ {
const SMDS_MeshNode* node =
static_cast<const SMDS_MeshNode*>( nList->first );
+ if ( newElemsMap.count( node ))
+ continue; // node was extruded into edge
SMDS_ElemIteratorPtr eIt = node->GetInverseElementIterator();
int nbInitElems = 0;
const SMDS_MeshElement* el = 0;
nbInitElems = 0;
highType = type;
}
- if ( elemSet.find(el) != elemSet.end() )
- nbInitElems++;
+ nbInitElems += elemSet.count(el);
}
if ( nbInitElems < 2 ) {
- bool NotCreateEdge = el && el->IsQuadratic() && el->IsMediumNode(node);
+ bool NotCreateEdge = el && el->IsMediumNode(node);
if(!NotCreateEdge) {
vector<TNodeOfNodeListMapItr> newNodesItVec( 1, nList );
list<const SMDS_MeshElement*> newEdges;
TElemOfElemListMap::iterator itElem = newElemsMap.begin();
TElemOfVecOfNnlmiMap::iterator itElemNodes = elemNewNodesMap.begin();
- for ( ; itElem != newElemsMap.end(); itElem++, itElemNodes++ ) {
+ for ( ; itElem != newElemsMap.end(); itElem++, itElemNodes++ )
+ {
const SMDS_MeshElement* elem = itElem->first;
vector<TNodeOfNodeListMapItr>& vecNewNodes = itElemNodes->second;
+ if(itElem->second.size()==0) continue;
+
+ const bool isQuadratic = elem->IsQuadratic();
+
if ( elem->GetType() == SMDSAbs_Edge ) {
// create a ceiling edge
- if (!elem->IsQuadratic()) {
+ if ( !isQuadratic ) {
if ( !aMesh->FindEdge( vecNewNodes[ 0 ]->second.back(),
vecNewNodes[ 1 ]->second.back())) {
myLastCreatedElems.Append(aMesh->AddEdge(vecNewNodes[ 0 ]->second.back(),
vecNewNodes[ 1 ]->second.back()));
- srcElements.Append( myLastCreatedElems.Last() );
+ srcElements.Append( elem );
}
}
else {
myLastCreatedElems.Append(aMesh->AddEdge(vecNewNodes[ 0 ]->second.back(),
vecNewNodes[ 1 ]->second.back(),
vecNewNodes[ 2 ]->second.back()));
- srcElements.Append( myLastCreatedElems.Last() );
+ srcElements.Append( elem );
}
}
}
if ( elem->GetType() != SMDSAbs_Face )
continue;
- if(itElem->second.size()==0) continue;
-
bool hasFreeLinks = false;
TIDSortedElemSet avoidSet;
set<const SMDS_MeshNode*> aFaceLastNodes;
int iNode, nbNodes = vecNewNodes.size();
- if(!elem->IsQuadratic()) {
+ if ( !isQuadratic ) {
// loop on the face nodes
for ( iNode = 0; iNode < nbNodes; iNode++ ) {
aFaceLastNodes.insert( vecNewNodes[ iNode ]->second.back() );
int iNext = ( iNode + 1 == nbNodes ) ? 0 : iNode + 1;
const SMDS_MeshNode* n1 = vecNewNodes[ iNode ]->first;
const SMDS_MeshNode* n2 = vecNewNodes[ iNext ]->first;
- // check if a link is free
+ // check if a link n1-n2 is free
if ( ! SMESH_MeshEditor::FindFaceInSet ( n1, n2, elemSet, avoidSet )) {
hasFreeLinks = true;
- // make an edge and a ceiling for a new edge
- if ( !aMesh->FindEdge( n1, n2 )) {
- myLastCreatedElems.Append(aMesh->AddEdge( n1, n2 )); // free link edge
+ // make a new edge and a ceiling for a new edge
+ const SMDS_MeshElement* edge;
+ if ( ! ( edge = aMesh->FindEdge( n1, n2 ))) {
+ myLastCreatedElems.Append( edge = aMesh->AddEdge( n1, n2 )); // free link edge
srcElements.Append( myLastCreatedElems.Last() );
}
n1 = vecNewNodes[ iNode ]->second.back();
n2 = vecNewNodes[ iNext ]->second.back();
if ( !aMesh->FindEdge( n1, n2 )) {
- myLastCreatedElems.Append(aMesh->AddEdge( n1, n2 )); // ceiling edge
- srcElements.Append( myLastCreatedElems.Last() );
+ myLastCreatedElems.Append(aMesh->AddEdge( n1, n2 )); // new edge ceiling
+ srcElements.Append( edge );
}
}
}
int iNext = ( iNode + 1 == nbn ) ? 0 : iNode + 1;
const SMDS_MeshNode* n1 = vecNewNodes[ iNode ]->first;
const SMDS_MeshNode* n2 = vecNewNodes[ iNext ]->first;
+ const SMDS_MeshNode* n3 = vecNewNodes[ iNode+nbn ]->first;
// check if a link is free
- if ( ! SMESH_MeshEditor::FindFaceInSet ( n1, n2, elemSet, avoidSet )) {
+ if ( ! SMESH_MeshEditor::FindFaceInSet ( n1, n2, elemSet, avoidSet ) &&
+ ! SMESH_MeshEditor::FindFaceInSet ( n1, n3, elemSet, avoidSet ) &&
+ ! SMESH_MeshEditor::FindFaceInSet ( n3, n2, elemSet, avoidSet ) ) {
hasFreeLinks = true;
// make an edge and a ceiling for a new edge
// find medium node
- const SMDS_MeshNode* n3 = vecNewNodes[ iNode+nbn ]->first;
if ( !aMesh->FindEdge( n1, n2, n3 )) {
myLastCreatedElems.Append(aMesh->AddEdge( n1, n2, n3 )); // free link edge
- srcElements.Append( myLastCreatedElems.Last() );
+ srcElements.Append( elem );
}
n1 = vecNewNodes[ iNode ]->second.back();
n2 = vecNewNodes[ iNext ]->second.back();
n3 = vecNewNodes[ iNode+nbn ]->second.back();
if ( !aMesh->FindEdge( n1, n2, n3 )) {
myLastCreatedElems.Append(aMesh->AddEdge( n1, n2, n3 )); // ceiling edge
- srcElements.Append( myLastCreatedElems.Last() );
+ srcElements.Append( elem );
}
}
}
- for ( iNode = nbn; iNode < 2*nbn; iNode++ ) {
+ for ( iNode = nbn; iNode < nbNodes; iNode++ ) {
aFaceLastNodes.insert( vecNewNodes[ iNode ]->second.back() );
}
}
}
for ( volNb = 0; volNb < nbVolumesByStep; volNb++ ) {
list<const SMDS_MeshElement*>::iterator v = newVolumes.begin();
- iVol = 0;
- while ( iVol++ < volNb ) v++;
+ std::advance( v, volNb );
// find indices of free faces of a volume and their source edges
list< int > freeInd;
list< const SMDS_MeshElement* > srcEdges; // source edges of free faces
- SMDS_VolumeTool vTool( *v );
+ SMDS_VolumeTool vTool( *v, /*ignoreCentralNodes=*/false );
int iF, nbF = vTool.NbFaces();
for ( iF = 0; iF < nbF; iF ++ ) {
if (vTool.IsFreeFace( iF ) &&
// create faces for all steps;
// if such a face has been already created by sweep of edge,
// assure that its orientation is OK
- for ( int iStep = 0; iStep < nbSteps; iStep++ ) {
- vTool.Set( *v );
+ for ( int iStep = 0; iStep < nbSteps; iStep++ ) {
+ vTool.Set( *v, /*ignoreCentralNodes=*/false );
vTool.SetExternalNormal();
+ const int nextShift = vTool.IsForward() ? +1 : -1;
list< int >::iterator ind = freeInd.begin();
list< const SMDS_MeshElement* >::iterator srcEdge = srcEdges.begin();
for ( ; ind != freeInd.end(); ++ind, ++srcEdge ) // loop on free faces
{
const SMDS_MeshNode** nodes = vTool.GetFaceNodes( *ind );
int nbn = vTool.NbFaceNodes( *ind );
- switch ( nbn ) {
- case 3: { ///// triangle
- const SMDS_MeshFace * f = aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ]);
- if ( !f )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ] ));
- else if ( nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 ))
- aMesh->ChangeElementNodes( f, nodes, nbn );
- break;
+ const SMDS_MeshElement * f = 0;
+ if ( nbn == 3 ) ///// triangle
+ {
+ f = aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ]);
+ if ( !f ||
+ nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ]) + nextShift ))
+ {
+ const SMDS_MeshNode* newOrder[3] = { nodes[ 1 - nextShift ],
+ nodes[ 1 ],
+ nodes[ 1 + nextShift ] };
+ if ( f )
+ aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
+ else
+ myLastCreatedElems.Append(aMesh->AddFace( newOrder[ 0 ], newOrder[ 1 ],
+ newOrder[ 2 ] ));
+ }
}
- case 4: { ///// quadrangle
- const SMDS_MeshFace * f = aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ]);
- if ( !f )
- myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ] ));
- else if ( nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 ))
- aMesh->ChangeElementNodes( f, nodes, nbn );
- break;
+ else if ( nbn == 4 ) ///// quadrangle
+ {
+ f = aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ]);
+ if ( !f ||
+ nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ]) + nextShift ))
+ {
+ const SMDS_MeshNode* newOrder[4] = { nodes[ 0 ], nodes[ 2-nextShift ],
+ nodes[ 2 ], nodes[ 2+nextShift ] };
+ if ( f )
+ aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
+ else
+ myLastCreatedElems.Append(aMesh->AddFace( newOrder[ 0 ], newOrder[ 1 ],
+ newOrder[ 2 ], newOrder[ 3 ]));
+ }
}
- default:
- if( (*v)->IsQuadratic() ) {
- if(nbn==6) { /////// quadratic triangle
- const SMDS_MeshFace * f = aMesh->FindFace( nodes[0], nodes[2], nodes[4],
- nodes[1], nodes[3], nodes[5] );
- if ( !f ) {
- myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4],
- nodes[1], nodes[3], nodes[5]));
- }
- else if ( nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 )) {
- const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[6];
- tmpnodes[0] = nodes[0];
- tmpnodes[1] = nodes[2];
- tmpnodes[2] = nodes[4];
- tmpnodes[3] = nodes[1];
- tmpnodes[4] = nodes[3];
- tmpnodes[5] = nodes[5];
- aMesh->ChangeElementNodes( f, tmpnodes, nbn );
- }
- }
- else { /////// quadratic quadrangle
- const SMDS_MeshFace * f = aMesh->FindFace( nodes[0], nodes[2], nodes[4], nodes[6],
- nodes[1], nodes[3], nodes[5], nodes[7] );
- if ( !f ) {
- myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4], nodes[6],
- nodes[1], nodes[3], nodes[5], nodes[7]));
- }
- else if ( nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 )) {
- const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[8];
- tmpnodes[0] = nodes[0];
- tmpnodes[1] = nodes[2];
- tmpnodes[2] = nodes[4];
- tmpnodes[3] = nodes[6];
- tmpnodes[4] = nodes[1];
- tmpnodes[5] = nodes[3];
- tmpnodes[6] = nodes[5];
- tmpnodes[7] = nodes[7];
- aMesh->ChangeElementNodes( f, tmpnodes, nbn );
- }
- }
+ else if ( nbn == 6 && isQuadratic ) /////// quadratic triangle
+ {
+ f = aMesh->FindFace( nodes[0], nodes[2], nodes[4], nodes[1], nodes[3], nodes[5] );
+ if ( !f ||
+ nodes[2] != f->GetNodeWrap( f->GetNodeIndex( nodes[0] ) + 2*nextShift ))
+ {
+ const SMDS_MeshNode* newOrder[6] = { nodes[2 - 2*nextShift],
+ nodes[2],
+ nodes[2 + 2*nextShift],
+ nodes[3 - 2*nextShift],
+ nodes[3],
+ nodes[3 + 2*nextShift]};
+ if ( f )
+ aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
+ else
+ myLastCreatedElems.Append(aMesh->AddFace( newOrder[ 0 ],
+ newOrder[ 1 ],
+ newOrder[ 2 ],
+ newOrder[ 3 ],
+ newOrder[ 4 ],
+ newOrder[ 5 ] ));
}
- else { //////// polygon
- vector<const SMDS_MeshNode*> polygon_nodes ( nodes, &nodes[nbn] );
- const SMDS_MeshFace * f = aMesh->FindFace( polygon_nodes );
- if ( !f )
- myLastCreatedElems.Append(aMesh->AddPolygonalFace(polygon_nodes));
- else if ( nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 ))
- aMesh->ChangeElementNodes( f, nodes, nbn );
+ }
+ else if ( nbn == 8 && isQuadratic ) /////// quadratic quadrangle
+ {
+ f = aMesh->FindFace( nodes[0], nodes[2], nodes[4], nodes[6],
+ nodes[1], nodes[3], nodes[5], nodes[7] );
+ if ( !f ||
+ nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 2*nextShift ))
+ {
+ const SMDS_MeshNode* newOrder[8] = { nodes[0],
+ nodes[4 - 2*nextShift],
+ nodes[4],
+ nodes[4 + 2*nextShift],
+ nodes[1],
+ nodes[5 - 2*nextShift],
+ nodes[5],
+ nodes[5 + 2*nextShift] };
+ if ( f )
+ aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
+ else
+ myLastCreatedElems.Append(aMesh->AddFace(newOrder[ 0 ], newOrder[ 1 ],
+ newOrder[ 2 ], newOrder[ 3 ],
+ newOrder[ 4 ], newOrder[ 5 ],
+ newOrder[ 6 ], newOrder[ 7 ]));
+ }
+ }
+ else if ( nbn == 9 && isQuadratic ) /////// bi-quadratic quadrangle
+ {
+ f = aMesh->FindElement( vector<const SMDS_MeshNode*>( nodes, nodes+nbn ),
+ SMDSAbs_Face, /*noMedium=*/false);
+ if ( !f ||
+ nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 2*nextShift ))
+ {
+ const SMDS_MeshNode* newOrder[9] = { nodes[0],
+ nodes[4 - 2*nextShift],
+ nodes[4],
+ nodes[4 + 2*nextShift],
+ nodes[1],
+ nodes[5 - 2*nextShift],
+ nodes[5],
+ nodes[5 + 2*nextShift],
+ nodes[8] };
+ if ( f )
+ aMesh->ChangeElementNodes( f, &newOrder[0], nbn );
+ else
+ myLastCreatedElems.Append(aMesh->AddFace(newOrder[ 0 ], newOrder[ 1 ],
+ newOrder[ 2 ], newOrder[ 3 ],
+ newOrder[ 4 ], newOrder[ 5 ],
+ newOrder[ 6 ], newOrder[ 7 ],
+ newOrder[ 8 ]));
+ }
+ }
+ else //////// polygon
+ {
+ vector<const SMDS_MeshNode*> polygon_nodes ( nodes, nodes+nbn );
+ const SMDS_MeshFace * f = aMesh->FindFace( polygon_nodes );
+ if ( !f ||
+ nodes[ 1 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + nextShift ))
+ {
+ if ( !vTool.IsForward() )
+ std::reverse( polygon_nodes.begin(), polygon_nodes.end());
+ if ( f )
+ aMesh->ChangeElementNodes( f, &polygon_nodes[0], nbn );
+ else
+ AddElement(polygon_nodes, SMDSAbs_Face, polygon_nodes.size()>4);
}
}
+
while ( srcElements.Length() < myLastCreatedElems.Length() )
srcElements.Append( *srcEdge );
// go to the next volume
iVol = 0;
while ( iVol++ < nbVolumesByStep ) v++;
- }
- }
+
+ } // loop on steps
+ } // loop on volumes of one step
} // sweep free links into faces
// Make a ceiling face with a normal external to a volume
- SMDS_VolumeTool lastVol( itElem->second.back() );
+ SMDS_VolumeTool lastVol( itElem->second.back(), /*ignoreCentralNodes=*/false );
int iF = lastVol.GetFaceIndex( aFaceLastNodes );
if ( iF >= 0 ) {
lastVol.SetExternalNormal();
const SMDS_MeshNode** nodes = lastVol.GetFaceNodes( iF );
int nbn = lastVol.NbFaceNodes( iF );
- switch ( nbn ) {
- case 3:
+ if ( nbn == 3 ) {
if (!hasFreeLinks ||
!aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ]))
myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ] ));
- break;
- case 4:
+ }
+ else if ( nbn == 4 )
+ {
if (!hasFreeLinks ||
!aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ]))
- myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ] ));
- break;
- default:
- if(itElem->second.back()->IsQuadratic()) {
- if(nbn==6) {
- if (!hasFreeLinks ||
- !aMesh->FindFace(nodes[0], nodes[2], nodes[4],
- nodes[1], nodes[3], nodes[5]) ) {
- myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4],
- nodes[1], nodes[3], nodes[5]));
- }
- }
- else { // nbn==8
- if (!hasFreeLinks ||
- !aMesh->FindFace(nodes[0], nodes[2], nodes[4], nodes[6],
- nodes[1], nodes[3], nodes[5], nodes[7]) )
- myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4], nodes[6],
- nodes[1], nodes[3], nodes[5], nodes[7]));
- }
- }
- else {
- vector<const SMDS_MeshNode*> polygon_nodes ( nodes, &nodes[nbn] );
- if (!hasFreeLinks || !aMesh->FindFace(polygon_nodes))
- myLastCreatedElems.Append(aMesh->AddPolygonalFace(polygon_nodes));
- }
- } // switch
+ myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ], nodes[ 3 ]));
+ }
+ else if ( nbn == 6 && isQuadratic )
+ {
+ if (!hasFreeLinks ||
+ !aMesh->FindFace(nodes[0], nodes[2], nodes[4], nodes[1], nodes[3], nodes[5]) )
+ myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4],
+ nodes[1], nodes[3], nodes[5]));
+ }
+ else if ( nbn == 8 && isQuadratic )
+ {
+ if (!hasFreeLinks ||
+ !aMesh->FindFace(nodes[0], nodes[2], nodes[4], nodes[6],
+ nodes[1], nodes[3], nodes[5], nodes[7]) )
+ myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4], nodes[6],
+ nodes[1], nodes[3], nodes[5], nodes[7]));
+ }
+ else if ( nbn == 9 && isQuadratic )
+ {
+ if (!hasFreeLinks ||
+ !aMesh->FindElement(vector<const SMDS_MeshNode*>( nodes, nodes+nbn ),
+ SMDSAbs_Face, /*noMedium=*/false) )
+ myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4], nodes[6],
+ nodes[1], nodes[3], nodes[5], nodes[7],
+ nodes[8]));
+ }
+ else {
+ vector<const SMDS_MeshNode*> polygon_nodes ( nodes, nodes + nbn );
+ if (!hasFreeLinks || !aMesh->FindFace(polygon_nodes))
+ myLastCreatedElems.Append(aMesh->AddPolygonalFace(polygon_nodes));
+ }
while ( srcElements.Length() < myLastCreatedElems.Length() )
- srcElements.Append( myLastCreatedElems.Last() );
+ srcElements.Append( elem );
}
} // loop on swept elements
}
TElemOfVecOfNnlmiMap mapElemNewNodes;
TElemOfElemListMap newElemsMap;
+ const bool isQuadraticMesh = bool( myMesh->NbEdges(ORDER_QUADRATIC) +
+ myMesh->NbFaces(ORDER_QUADRATIC) +
+ myMesh->NbVolumes(ORDER_QUADRATIC) );
// loop on theElems
TIDSortedElemSet::iterator itElem;
for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
// loop on elem nodes
SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
+ while ( itN->more() )
+ {
// check if a node has been already sweeped
const SMDS_MeshNode* node = cast2Node( itN->next() );
aXYZ.Coord( coord[0], coord[1], coord[2] );
bool isOnAxis = ( aLine.SquareDistance( aXYZ ) <= aSqTol );
- TNodeOfNodeListMapItr nIt = mapNewNodes.find( node );
- if ( nIt == mapNewNodes.end() ) {
- nIt = mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
- list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ TNodeOfNodeListMapItr nIt =
+ mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
+ list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
+ {
+ // check if we are to create medium nodes between corner ones
+ bool needMediumNodes = false;
+ if ( isQuadraticMesh )
+ {
+ SMDS_ElemIteratorPtr it = node->GetInverseElementIterator();
+ while (it->more() && !needMediumNodes )
+ {
+ const SMDS_MeshElement* invElem = it->next();
+ if ( invElem != elem && !theElems.count( invElem )) continue;
+ needMediumNodes = ( invElem->IsQuadratic() && !invElem->IsMediumNode(node) );
+ if ( !needMediumNodes && invElem->GetEntityType() == SMDSEntity_BiQuad_Quadrangle )
+ needMediumNodes = true;
+ }
+ }
// make new nodes
- //gp_XYZ aXYZ( node->X(), node->Y(), node->Z() );
- //double coord[3];
- //aXYZ.Coord( coord[0], coord[1], coord[2] );
- //bool isOnAxis = ( aLine.SquareDistance( aXYZ ) <= aSqTol );
const SMDS_MeshNode * newNode = node;
for ( int i = 0; i < theNbSteps; i++ ) {
if ( !isOnAxis ) {
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- // create two nodes
+ if ( needMediumNodes ) // create a medium node
+ {
aTrsf2.Transforms( coord[0], coord[1], coord[2] );
- //aTrsf.Transforms( coord[0], coord[1], coord[2] );
newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
myLastCreatedNodes.Append(newNode);
srcNodes.Append( node );
listNewNodes.push_back( newNode );
aTrsf2.Transforms( coord[0], coord[1], coord[2] );
- //aTrsf.Transforms( coord[0], coord[1], coord[2] );
}
else {
aTrsf.Transforms( coord[0], coord[1], coord[2] );
}
+ // create a corner node
newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
myLastCreatedNodes.Append(newNode);
srcNodes.Append( node );
}
else {
listNewNodes.push_back( newNode );
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- listNewNodes.push_back( newNode );
- }
+ // if ( needMediumNodes )
+ // listNewNodes.push_back( newNode );
}
}
}
- /*
- else {
- // if current elem is quadratic and current node is not medium
- // we have to check - may be it is needed to insert additional nodes
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- list< const SMDS_MeshNode* > & listNewNodes = nIt->second;
- if(listNewNodes.size()==theNbSteps) {
- listNewNodes.clear();
- // make new nodes
- //gp_XYZ aXYZ( node->X(), node->Y(), node->Z() );
- //double coord[3];
- //aXYZ.Coord( coord[0], coord[1], coord[2] );
- const SMDS_MeshNode * newNode = node;
- if ( !isOnAxis ) {
- for(int i = 0; i<theNbSteps; i++) {
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
- newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- cout<<" 3 AddNode: "<<newNode;
- myLastCreatedNodes.Append(newNode);
- listNewNodes.push_back( newNode );
- srcNodes.Append( node );
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
- newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- cout<<" 4 AddNode: "<<newNode;
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- }
- }
- else {
- listNewNodes.push_back( newNode );
- }
- }
- }
- }
- */
newNodesItVec.push_back( nIt );
}
// make new elements
const double tolnode,
SMESH_SequenceOfNode& aNodes)
{
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
+ // myLastCreatedElems.Clear();
+ // myLastCreatedNodes.Clear();
gp_Pnt P1(x,y,z);
SMESHDS_Mesh * aMesh = myMesh->GetMeshDS();
// create new node and return it
const SMDS_MeshNode* NewNode = aMesh->AddNode(x,y,z);
- myLastCreatedNodes.Append(NewNode);
+ //myLastCreatedNodes.Append(NewNode);
return NewNode;
}
TElemOfVecOfNnlmiMap mapElemNewNodes;
//TElemOfVecOfMapNodesMap mapElemNewNodes;
+ const bool isQuadraticMesh = bool( myMesh->NbEdges(ORDER_QUADRATIC) +
+ myMesh->NbFaces(ORDER_QUADRATIC) +
+ myMesh->NbVolumes(ORDER_QUADRATIC) );
// loop on theElems
TIDSortedElemSet::iterator itElem;
for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
continue;
vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
- //vector<TNodeOfNodeVecMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
newNodesItVec.reserve( elem->NbNodes() );
// loop on elem nodes
{
// check if a node has been already sweeped
const SMDS_MeshNode* node = cast2Node( itN->next() );
- TNodeOfNodeListMap::iterator nIt = mapNewNodes.find( node );
- //TNodeOfNodeVecMap::iterator nIt = mapNewNodes.find( node );
- if ( nIt == mapNewNodes.end() ) {
- nIt = mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
- //nIt = mapNewNodes.insert( make_pair( node, vector<const SMDS_MeshNode*>() )).first;
- list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
- //vector<const SMDS_MeshNode*>& vecNewNodes = nIt->second;
- //vecNewNodes.reserve(nbsteps);
-
+ TNodeOfNodeListMap::iterator nIt =
+ mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
+ list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
+ {
// make new nodes
- double coord[] = { node->X(), node->Y(), node->Z() };
- //int nbsteps = theParams.mySteps->Length();
- for ( int i = 0; i < nbsteps; i++ ) {
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- // create additional node
+
+ // check if we are to create medium nodes between corner ones
+ bool needMediumNodes = false;
+ if ( isQuadraticMesh )
+ {
+ SMDS_ElemIteratorPtr it = node->GetInverseElementIterator();
+ while (it->more() && !needMediumNodes )
+ {
+ const SMDS_MeshElement* invElem = it->next();
+ if ( invElem != elem && !theElems.count( invElem )) continue;
+ needMediumNodes = ( invElem->IsQuadratic() && !invElem->IsMediumNode(node) );
+ if ( !needMediumNodes && invElem->GetEntityType() == SMDSEntity_BiQuad_Quadrangle )
+ needMediumNodes = true;
+ }
+ }
+
+ double coord[] = { node->X(), node->Y(), node->Z() };
+ for ( int i = 0; i < nbsteps; i++ )
+ {
+ if ( needMediumNodes ) // create a medium node
+ {
double x = coord[0] + theParams.myDir.X()*theParams.mySteps->Value(i+1)/2.;
double y = coord[1] + theParams.myDir.Y()*theParams.mySteps->Value(i+1)/2.;
double z = coord[2] + theParams.myDir.Z()*theParams.mySteps->Value(i+1)/2.;
listNewNodes.push_back( newNode );
}
}
- //aTrsf.Transforms( coord[0], coord[1], coord[2] );
+ // create a corner node
coord[0] = coord[0] + theParams.myDir.X()*theParams.mySteps->Value(i+1);
coord[1] = coord[1] + theParams.myDir.Y()*theParams.mySteps->Value(i+1);
coord[2] = coord[2] + theParams.myDir.Z()*theParams.mySteps->Value(i+1);
const SMDS_MeshNode * newNode = CreateNode(coord[0], coord[1], coord[2],
theTolerance, theParams.myNodes);
listNewNodes.push_back( newNode );
- //vecNewNodes[i]=newNode;
}
else {
const SMDS_MeshNode * newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
myLastCreatedNodes.Append(newNode);
srcNodes.Append( node );
listNewNodes.push_back( newNode );
- //vecNewNodes[i]=newNode;
- }
- }
- }
- else {
- // if current elem is quadratic and current node is not medium
- // we have to check - may be it is needed to insert additional nodes
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- list< const SMDS_MeshNode* > & listNewNodes = nIt->second;
- if(listNewNodes.size()==nbsteps) {
- listNewNodes.clear();
- double coord[] = { node->X(), node->Y(), node->Z() };
- for ( int i = 0; i < nbsteps; i++ ) {
- double x = coord[0] + theParams.myDir.X()*theParams.mySteps->Value(i+1);
- double y = coord[1] + theParams.myDir.Y()*theParams.mySteps->Value(i+1);
- double z = coord[2] + theParams.myDir.Z()*theParams.mySteps->Value(i+1);
- if( theFlags & EXTRUSION_FLAG_SEW ) {
- const SMDS_MeshNode * newNode = CreateNode(x, y, z,
- theTolerance, theParams.myNodes);
- listNewNodes.push_back( newNode );
- }
- else {
- const SMDS_MeshNode * newNode = aMesh->AddNode(x, y, z);
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- }
- coord[0] = coord[0] + theParams.myDir.X()*theParams.mySteps->Value(i+1);
- coord[1] = coord[1] + theParams.myDir.Y()*theParams.mySteps->Value(i+1);
- coord[2] = coord[2] + theParams.myDir.Z()*theParams.mySteps->Value(i+1);
- if( theFlags & EXTRUSION_FLAG_SEW ) {
- const SMDS_MeshNode * newNode = CreateNode(coord[0], coord[1], coord[2],
- theTolerance, theParams.myNodes);
- listNewNodes.push_back( newNode );
- }
- else {
- const SMDS_MeshNode * newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- }
- }
}
}
}
return newGroupIDs;
}
-/*
-//=======================================================================
-//class : SMESH_MeshEditor_PathPoint
-//purpose : auxiliary class
-//=======================================================================
-class SMESH_MeshEditor_PathPoint {
-public:
-SMESH_MeshEditor_PathPoint() {
-myPnt.SetCoord(99., 99., 99.);
-myTgt.SetCoord(1.,0.,0.);
-myAngle=0.;
-myPrm=0.;
-}
-void SetPnt(const gp_Pnt& aP3D){
-myPnt=aP3D;
-}
-void SetTangent(const gp_Dir& aTgt){
-myTgt=aTgt;
-}
-void SetAngle(const double& aBeta){
-myAngle=aBeta;
-}
-void SetParameter(const double& aPrm){
-myPrm=aPrm;
-}
-const gp_Pnt& Pnt()const{
-return myPnt;
-}
-const gp_Dir& Tangent()const{
-return myTgt;
-}
-double Angle()const{
-return myAngle;
-}
-double Parameter()const{
-return myPrm;
-}
-
-protected:
-gp_Pnt myPnt;
-gp_Dir myTgt;
-double myAngle;
-double myPrm;
-};
-*/
-
//=======================================================================
//function : ExtrusionAlongTrack
//purpose :
const gp_Pnt& theRefPoint,
const bool theMakeGroups)
{
+ MESSAGE("ExtrusionAlongTrack");
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
list<SMESH_MeshEditor_PathPoint> fullList;
const TopoDS_Shape& aS = theTrack->GetSubShape();
- // Sub shape for the Pattern must be an Edge or Wire
+ // Sub-shape for the Pattern must be an Edge or Wire
if( aS.ShapeType() == TopAbs_EDGE ) {
aTrackEdge = TopoDS::Edge( aS );
// the Edge must not be degenerated
while ( aItN->more() ) {
const SMDS_MeshNode* pNode = aItN->next();
const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition() );
double aT = pEPos->GetUParameter();
aPrms.push_back( aT );
}
//Extrusion_Error err =
MakeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
- }
- else if( aS.ShapeType() == TopAbs_WIRE ) {
+ } else if( aS.ShapeType() == TopAbs_WIRE ) {
list< SMESH_subMesh* > LSM;
TopTools_SequenceOfShape Edges;
SMESH_subMeshIteratorPtr itSM = theTrack->getDependsOnIterator(false,true);
list< list<SMESH_MeshEditor_PathPoint> > LLPPs;
int startNid = theN1->GetID();
TColStd_MapOfInteger UsedNums;
+
int NbEdges = Edges.Length();
int i = 1;
for(; i<=NbEdges; i++) {
while ( aItN->more() ) {
const SMDS_MeshNode* pNode = aItN->next();
const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition() );
double aT = pEPos->GetUParameter();
aPrms.push_back( aT );
}
list<SMESH_MeshEditor_PathPoint> fullList;
const TopoDS_Shape& aS = theTrack->GetShapeToMesh();
- // Sub shape for the Pattern must be an Edge or Wire
- if( aS.ShapeType() == TopAbs_EDGE ) {
+
+ if( aS == SMESH_Mesh::PseudoShape() ) {
+ //Mesh without shape
+ const SMDS_MeshNode* currentNode = NULL;
+ const SMDS_MeshNode* prevNode = theN1;
+ std::vector<const SMDS_MeshNode*> aNodesList;
+ aNodesList.push_back(theN1);
+ int nbEdges = 0, conn=0;
+ const SMDS_MeshElement* prevElem = NULL;
+ const SMDS_MeshElement* currentElem = NULL;
+ int totalNbEdges = theTrack->NbEdges();
+ SMDS_ElemIteratorPtr nIt;
+
+ //check start node
+ if( !theTrack->GetMeshDS()->Contains(theN1) ) {
+ return EXTR_BAD_STARTING_NODE;
+ }
+
+ conn = nbEdgeConnectivity(theN1);
+ if(conn > 2)
+ return EXTR_PATH_NOT_EDGE;
+
+ aItE = theN1->GetInverseElementIterator();
+ prevElem = aItE->next();
+ currentElem = prevElem;
+ //Get all nodes
+ if(totalNbEdges == 1 ) {
+ nIt = currentElem->nodesIterator();
+ currentNode = static_cast<const SMDS_MeshNode*>(nIt->next());
+ if(currentNode == prevNode)
+ currentNode = static_cast<const SMDS_MeshNode*>(nIt->next());
+ aNodesList.push_back(currentNode);
+ } else {
+ nIt = currentElem->nodesIterator();
+ while( nIt->more() ) {
+ currentNode = static_cast<const SMDS_MeshNode*>(nIt->next());
+ if(currentNode == prevNode)
+ currentNode = static_cast<const SMDS_MeshNode*>(nIt->next());
+ aNodesList.push_back(currentNode);
+
+ //case of the closed mesh
+ if(currentNode == theN1) {
+ nbEdges++;
+ break;
+ }
+
+ conn = nbEdgeConnectivity(currentNode);
+ if(conn > 2) {
+ return EXTR_PATH_NOT_EDGE;
+ }else if( conn == 1 && nbEdges > 0 ) {
+ //End of the path
+ nbEdges++;
+ break;
+ }else {
+ prevNode = currentNode;
+ aItE = currentNode->GetInverseElementIterator();
+ currentElem = aItE->next();
+ if( currentElem == prevElem)
+ currentElem = aItE->next();
+ nIt = currentElem->nodesIterator();
+ prevElem = currentElem;
+ nbEdges++;
+ }
+ }
+ }
+
+ if(nbEdges != totalNbEdges)
+ return EXTR_PATH_NOT_EDGE;
+
+ TopTools_SequenceOfShape Edges;
+ double x1,x2,y1,y2,z1,z2;
+ list< list<SMESH_MeshEditor_PathPoint> > LLPPs;
+ int startNid = theN1->GetID();
+ for(int i = 1; i < aNodesList.size(); i++) {
+ x1 = aNodesList[i-1]->X();x2 = aNodesList[i]->X();
+ y1 = aNodesList[i-1]->Y();y2 = aNodesList[i]->Y();
+ z1 = aNodesList[i-1]->Z();z2 = aNodesList[i]->Z();
+ TopoDS_Edge e = BRepBuilderAPI_MakeEdge(gp_Pnt(x1,y1,z1),gp_Pnt(x2,y2,z2));
+ list<SMESH_MeshEditor_PathPoint> LPP;
+ aPrms.clear();
+ MakeEdgePathPoints(aPrms, e, (aNodesList[i-1]->GetID()==startNid), LPP);
+ LLPPs.push_back(LPP);
+ if( aNodesList[i-1]->GetID() == startNid ) startNid = aNodesList[i]->GetID();
+ else startNid = aNodesList[i-1]->GetID();
+
+ }
+
+ list< list<SMESH_MeshEditor_PathPoint> >::iterator itLLPP = LLPPs.begin();
+ list<SMESH_MeshEditor_PathPoint> firstList = *itLLPP;
+ list<SMESH_MeshEditor_PathPoint>::iterator itPP = firstList.begin();
+ for(; itPP!=firstList.end(); itPP++) {
+ fullList.push_back( *itPP );
+ }
+
+ SMESH_MeshEditor_PathPoint PP1 = fullList.back();
+ SMESH_MeshEditor_PathPoint PP2;
+ fullList.pop_back();
+ itLLPP++;
+ for(; itLLPP!=LLPPs.end(); itLLPP++) {
+ list<SMESH_MeshEditor_PathPoint> currList = *itLLPP;
+ itPP = currList.begin();
+ PP2 = currList.front();
+ gp_Dir D1 = PP1.Tangent();
+ gp_Dir D2 = PP2.Tangent();
+ gp_Dir Dnew( gp_Vec( (D1.X()+D2.X())/2, (D1.Y()+D2.Y())/2,
+ (D1.Z()+D2.Z())/2 ) );
+ PP1.SetTangent(Dnew);
+ fullList.push_back(PP1);
+ itPP++;
+ for(; itPP!=currList.end(); itPP++) {
+ fullList.push_back( *itPP );
+ }
+ PP1 = fullList.back();
+ fullList.pop_back();
+ }
+ fullList.push_back(PP1);
+
+ } // Sub-shape for the Pattern must be an Edge or Wire
+ else if( aS.ShapeType() == TopAbs_EDGE ) {
aTrackEdge = TopoDS::Edge( aS );
// the Edge must not be degenerated
if ( BRep_Tool::Degenerated( aTrackEdge ) )
return EXTR_BAD_PATH_SHAPE;
TopExp::Vertices( aTrackEdge, aV1, aV2 );
- aItN = theTrack->GetSubMesh( aV1 )->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN1 = aItN->next();
- aItN = theTrack->GetSubMesh( aV2 )->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN2 = aItN->next();
+ const SMDS_MeshNode* aN1 = 0;
+ const SMDS_MeshNode* aN2 = 0;
+ if ( theTrack->GetSubMesh( aV1 ) && theTrack->GetSubMesh( aV1 )->GetSubMeshDS() ) {
+ aItN = theTrack->GetSubMesh( aV1 )->GetSubMeshDS()->GetNodes();
+ aN1 = aItN->next();
+ }
+ if ( theTrack->GetSubMesh( aV2 ) && theTrack->GetSubMesh( aV2 )->GetSubMeshDS() ) {
+ aItN = theTrack->GetSubMesh( aV2 )->GetSubMeshDS()->GetNodes();
+ aN2 = aItN->next();
+ }
// starting node must be aN1 or aN2
if ( !( aN1 == theN1 || aN2 == theN1 ) )
return EXTR_BAD_STARTING_NODE;
const SMDS_MeshNode* pNode = aItN->next();
if( pNode==aN1 || pNode==aN2 ) continue;
const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition() );
double aT = pEPos->GetUParameter();
aPrms.push_back( aT );
}
}
}
list< list<SMESH_MeshEditor_PathPoint> > LLPPs;
- int startNid = theN1->GetID();
+ TopoDS_Vertex aVprev;
TColStd_MapOfInteger UsedNums;
int NbEdges = Edges.Length();
int i = 1;
SMESH_subMesh* locTrack = *itLSM;
SMESHDS_SubMesh* locMeshDS = locTrack->GetSubMeshDS();
TopExp::Vertices( aTrackEdge, aV1, aV2 );
- aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN1 = aItN->next();
- aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN2 = aItN->next();
- // starting node must be aN1 or aN2
- if ( !( aN1->GetID() == startNid || aN2->GetID() == startNid ) ) continue;
+ bool aN1isOK = false, aN2isOK = false;
+ if ( aVprev.IsNull() ) {
+ // if previous vertex is not yet defined, it means that we in the beginning of wire
+ // and we have to find initial vertex corresponding to starting node theN1
+ const SMDS_MeshNode* aN1 = 0;
+ const SMDS_MeshNode* aN2 = 0;
+
+ if ( locTrack->GetFather()->GetSubMesh(aV1) && locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS() ) {
+ aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
+ aN1 = aItN->next();
+ }
+ if ( locTrack->GetFather()->GetSubMesh(aV2) && locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS() ) {
+ aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
+ aN2 = aItN->next();
+ }
+ // starting node must be aN1 or aN2
+ aN1isOK = ( aN1 && aN1 == theN1 );
+ aN2isOK = ( aN2 && aN2 == theN1 );
+ }
+ else {
+ // we have specified ending vertex of the previous edge on the previous iteration
+ // and we have just to check that it corresponds to any vertex in current segment
+ aN1isOK = aVprev.IsSame( aV1 );
+ aN2isOK = aVprev.IsSame( aV2 );
+ }
+ if ( !aN1isOK && !aN2isOK ) continue;
// 2. Collect parameters on the track edge
aPrms.clear();
aItN = locMeshDS->GetNodes();
while ( aItN->more() ) {
- const SMDS_MeshNode* pNode = aItN->next();
+ const SMDS_MeshNode* pNode = aItN->next();
const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition() );
double aT = pEPos->GetUParameter();
aPrms.push_back( aT );
}
list<SMESH_MeshEditor_PathPoint> LPP;
//Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
+ MakeEdgePathPoints(aPrms, aTrackEdge, aN1isOK, LPP);
LLPPs.push_back(LPP);
UsedNums.Add(k);
// update startN for search following egde
- if( aN1->GetID() == startNid ) startNid = aN2->GetID();
- else startNid = aN1->GetID();
+ if ( aN1isOK ) aVprev = aV2;
+ else aVprev = aV1;
break;
}
}
list<SMESH_MeshEditor_PathPoint> currList = *itLLPP;
itPP = currList.begin();
SMESH_MeshEditor_PathPoint PP2 = currList.front();
- gp_Pnt P1 = PP1.Pnt();
- //cout<<" PP1: Pnt("<<P1.X()<<","<<P1.Y()<<","<<P1.Z()<<")"<<endl;
- gp_Pnt P2 = PP2.Pnt();
gp_Dir D1 = PP1.Tangent();
gp_Dir D2 = PP2.Tangent();
- gp_Dir Dnew( gp_Vec( (D1.X()+D2.X())/2, (D1.Y()+D2.Y())/2,
- (D1.Z()+D2.Z())/2 ) );
+ gp_Dir Dnew( ( D1.XYZ() + D2.XYZ() ) / 2 );
PP1.SetTangent(Dnew);
fullList.push_back(PP1);
itPP++;
const gp_Pnt& theRefPoint,
const bool theMakeGroups)
{
+ MESSAGE("MakeExtrElements");
//cout<<"MakeExtrElements fullList.size() = "<<fullList.size()<<endl;
int aNbTP = fullList.size();
vector<SMESH_MeshEditor_PathPoint> aPPs(aNbTP);
}
// make new node
+ //MESSAGE("elem->IsQuadratic " << elem->IsQuadratic() << " " << elem->IsMediumNode(node));
if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
// create additional node
double x = ( aPN1.X() + aPN0.X() )/2.;
}
-//=======================================================================
-//function : Transform
-//purpose :
-//=======================================================================
+//================================================================================
+/*!
+ * \brief Move or copy theElements applying theTrsf to their nodes
+ * \param theElems - elements to transform, if theElems is empty then apply to all mesh nodes
+ * \param theTrsf - transformation to apply
+ * \param theCopy - if true, create translated copies of theElems
+ * \param theMakeGroups - if true and theCopy, create translated groups
+ * \param theTargetMesh - mesh to copy translated elements into
+ * \return SMESH_MeshEditor::PGroupIDs - list of ids of created groups
+ */
+//================================================================================
SMESH_MeshEditor::PGroupIDs
SMESH_MeshEditor::Transform (TIDSortedElemSet & theElems,
string groupPostfix;
switch ( theTrsf.Form() ) {
case gp_PntMirror:
+ MESSAGE("gp_PntMirror");
+ needReverse = true;
+ groupPostfix = "mirrored";
+ break;
case gp_Ax1Mirror:
+ MESSAGE("gp_Ax1Mirror");
+ groupPostfix = "mirrored";
+ break;
case gp_Ax2Mirror:
+ MESSAGE("gp_Ax2Mirror");
needReverse = true;
groupPostfix = "mirrored";
break;
case gp_Rotation:
+ MESSAGE("gp_Rotation");
groupPostfix = "rotated";
break;
case gp_Translation:
+ MESSAGE("gp_Translation");
groupPostfix = "translated";
break;
case gp_Scale:
+ MESSAGE("gp_Scale");
+ groupPostfix = "scaled";
+ break;
+ case gp_CompoundTrsf: // different scale by axis
+ MESSAGE("gp_CompoundTrsf");
groupPostfix = "scaled";
break;
default:
+ MESSAGE("default");
needReverse = false;
groupPostfix = "transformed";
}
// source elements for each generated one
SMESH_SequenceOfElemPtr srcElems, srcNodes;
- // loop on theElems
+ // issue 021015: EDF 1578 SMESH: Free nodes are removed when translating a mesh
+ TIDSortedElemSet orphanNode;
+
+ if ( theElems.empty() ) // transform the whole mesh
+ {
+ // add all elements
+ SMDS_ElemIteratorPtr eIt = aMesh->elementsIterator();
+ while ( eIt->more() ) theElems.insert( eIt->next() );
+ // add orphan nodes
+ SMDS_NodeIteratorPtr nIt = aMesh->nodesIterator();
+ while ( nIt->more() )
+ {
+ const SMDS_MeshNode* node = nIt->next();
+ if ( node->NbInverseElements() == 0)
+ orphanNode.insert( node );
+ }
+ }
+
+ // loop on elements to transform nodes : first orphan nodes then elems
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
+ TIDSortedElemSet *elements[] = {&orphanNode, &theElems };
+ for (int i=0; i<2; i++)
+ for ( itElem = elements[i]->begin(); itElem != elements[i]->end(); itElem++ ) {
const SMDS_MeshElement* elem = *itElem;
if ( !elem )
continue;
SMDS_ElemIteratorPtr itN = elem->nodesIterator();
while ( itN->more() ) {
- // check if a node has been already transformed
const SMDS_MeshNode* node = cast2Node( itN->next() );
+ // check if a node has been already transformed
pair<TNodeNodeMap::iterator,bool> n2n_isnew =
nodeMap.insert( make_pair ( node, node ));
if ( !n2n_isnew.second )
for ( ; invElemIt != inverseElemSet.end(); invElemIt++ )
theElems.insert( *invElemIt );
- // replicate or reverse elements
-
- enum {
- REV_TETRA = 0, // = nbNodes - 4
- REV_PYRAMID = 1, // = nbNodes - 4
- REV_PENTA = 2, // = nbNodes - 4
- REV_FACE = 3,
- REV_HEXA = 4, // = nbNodes - 4
- FORWARD = 5
- };
- int index[][8] = {
- { 2, 1, 0, 3, 4, 0, 0, 0 }, // REV_TETRA
- { 2, 1, 0, 3, 4, 0, 0, 0 }, // REV_PYRAMID
- { 2, 1, 0, 5, 4, 3, 0, 0 }, // REV_PENTA
- { 2, 1, 0, 3, 0, 0, 0, 0 }, // REV_FACE
- { 2, 1, 0, 3, 6, 5, 4, 7 }, // REV_HEXA
- { 0, 1, 2, 3, 4, 5, 6, 7 } // FORWARD
- };
+ // Replicate or reverse elements
+ std::vector<int> iForw;
for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
{
const SMDS_MeshElement* elem = *itElem;
- if ( !elem || elem->GetType() == SMDSAbs_Node )
- continue;
+ if ( !elem ) continue;
- int nbNodes = elem->NbNodes();
- int elemType = elem->GetType();
+ SMDSAbs_GeometryType geomType = elem->GetGeomType();
+ int nbNodes = elem->NbNodes();
+ if ( geomType == SMDSGeom_NONE ) continue; // node
- if (elem->IsPoly()) {
- // Polygon or Polyhedral Volume
- switch ( elemType ) {
- case SMDSAbs_Face:
- {
- vector<const SMDS_MeshNode*> poly_nodes (nbNodes);
- int iNode = 0;
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while (itN->more()) {
- const SMDS_MeshNode* node =
- static_cast<const SMDS_MeshNode*>(itN->next());
- TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
- if (nodeMapIt == nodeMap.end())
- break; // not all nodes transformed
- if (needReverse) {
- // reverse mirrored faces and volumes
- poly_nodes[nbNodes - iNode - 1] = (*nodeMapIt).second;
- } else {
- poly_nodes[iNode] = (*nodeMapIt).second;
- }
- iNode++;
- }
- if ( iNode != nbNodes )
- continue; // not all nodes transformed
+ switch ( geomType ) {
- if ( theTargetMesh ) {
- myLastCreatedElems.Append(aTgtMesh->AddPolygonalFace(poly_nodes));
- srcElems.Append( elem );
- }
- else if ( theCopy ) {
- myLastCreatedElems.Append(aMesh->AddPolygonalFace(poly_nodes));
- srcElems.Append( elem );
- }
- else {
- aMesh->ChangePolygonNodes(elem, poly_nodes);
+ case SMDSGeom_POLYGON: // ---------------------- polygon
+ {
+ vector<const SMDS_MeshNode*> poly_nodes (nbNodes);
+ int iNode = 0;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while (itN->more()) {
+ const SMDS_MeshNode* node =
+ static_cast<const SMDS_MeshNode*>(itN->next());
+ TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
+ if (nodeMapIt == nodeMap.end())
+ break; // not all nodes transformed
+ if (needReverse) {
+ // reverse mirrored faces and volumes
+ poly_nodes[nbNodes - iNode - 1] = (*nodeMapIt).second;
+ } else {
+ poly_nodes[iNode] = (*nodeMapIt).second;
}
+ iNode++;
}
- break;
- case SMDSAbs_Volume:
- {
- // ATTENTION: Reversing is not yet done!!!
- const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
- dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*>( elem );
- if (!aPolyedre) {
- MESSAGE("Warning: bad volumic element");
- continue;
- }
-
- vector<const SMDS_MeshNode*> poly_nodes;
- vector<int> quantities;
-
- bool allTransformed = true;
- int nbFaces = aPolyedre->NbFaces();
- for (int iface = 1; iface <= nbFaces && allTransformed; iface++) {
- int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
- for (int inode = 1; inode <= nbFaceNodes && allTransformed; inode++) {
- const SMDS_MeshNode* node = aPolyedre->GetFaceNode(iface, inode);
- TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
- if (nodeMapIt == nodeMap.end()) {
- allTransformed = false; // not all nodes transformed
- } else {
- poly_nodes.push_back((*nodeMapIt).second);
- }
- }
- quantities.push_back(nbFaceNodes);
- }
- if ( !allTransformed )
- continue; // not all nodes transformed
+ if ( iNode != nbNodes )
+ continue; // not all nodes transformed
- if ( theTargetMesh ) {
- myLastCreatedElems.Append(aTgtMesh->AddPolyhedralVolume(poly_nodes, quantities));
- srcElems.Append( elem );
- }
- else if ( theCopy ) {
- myLastCreatedElems.Append(aMesh->AddPolyhedralVolume(poly_nodes, quantities));
- srcElems.Append( elem );
- }
- else {
- aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
- }
+ if ( theTargetMesh ) {
+ myLastCreatedElems.Append(aTgtMesh->AddPolygonalFace(poly_nodes));
+ srcElems.Append( elem );
+ }
+ else if ( theCopy ) {
+ myLastCreatedElems.Append(aMesh->AddPolygonalFace(poly_nodes));
+ srcElems.Append( elem );
+ }
+ else {
+ aMesh->ChangePolygonNodes(elem, poly_nodes);
}
- break;
- default:;
}
- continue;
- }
-
- // Regular elements
- int* i = index[ FORWARD ];
- if ( needReverse && nbNodes > 2) // reverse mirrored faces and volumes
- if ( elemType == SMDSAbs_Face )
- i = index[ REV_FACE ];
- else
- i = index[ nbNodes - 4 ];
+ break;
- if(elem->IsQuadratic()) {
- static int anIds[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
- i = anIds;
- if(needReverse) {
- if(nbNodes==3) { // quadratic edge
- static int anIds[] = {1,0,2};
- i = anIds;
+ case SMDSGeom_POLYHEDRA: // ------------------ polyhedral volume
+ {
+ const SMDS_VtkVolume* aPolyedre =
+ dynamic_cast<const SMDS_VtkVolume*>( elem );
+ if (!aPolyedre) {
+ MESSAGE("Warning: bad volumic element");
+ continue;
}
- else if(nbNodes==6) { // quadratic triangle
- static int anIds[] = {0,2,1,5,4,3};
- i = anIds;
+
+ vector<const SMDS_MeshNode*> poly_nodes; poly_nodes.reserve( nbNodes );
+ vector<int> quantities; quantities.reserve( nbNodes );
+
+ bool allTransformed = true;
+ int nbFaces = aPolyedre->NbFaces();
+ for (int iface = 1; iface <= nbFaces && allTransformed; iface++) {
+ int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
+ for (int inode = 1; inode <= nbFaceNodes && allTransformed; inode++) {
+ const SMDS_MeshNode* node = aPolyedre->GetFaceNode(iface, inode);
+ TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
+ if (nodeMapIt == nodeMap.end()) {
+ allTransformed = false; // not all nodes transformed
+ } else {
+ poly_nodes.push_back((*nodeMapIt).second);
+ }
+ if ( needReverse && allTransformed )
+ std::reverse( poly_nodes.end() - nbFaceNodes, poly_nodes.end() );
+ }
+ quantities.push_back(nbFaceNodes);
}
- else if(nbNodes==8) { // quadratic quadrangle
- static int anIds[] = {0,3,2,1,7,6,5,4};
- i = anIds;
+ if ( !allTransformed )
+ continue; // not all nodes transformed
+
+ if ( theTargetMesh ) {
+ myLastCreatedElems.Append(aTgtMesh->AddPolyhedralVolume(poly_nodes, quantities));
+ srcElems.Append( elem );
}
- else if(nbNodes==10) { // quadratic tetrahedron of 10 nodes
- static int anIds[] = {0,2,1,3,6,5,4,7,9,8};
- i = anIds;
+ else if ( theCopy ) {
+ myLastCreatedElems.Append(aMesh->AddPolyhedralVolume(poly_nodes, quantities));
+ srcElems.Append( elem );
}
- else if(nbNodes==13) { // quadratic pyramid of 13 nodes
- static int anIds[] = {0,3,2,1,4,8,7,6,5,9,12,11,10};
- i = anIds;
+ else {
+ aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
}
- else if(nbNodes==15) { // quadratic pentahedron with 15 nodes
- static int anIds[] = {0,2,1,3,5,4,8,7,6,11,10,9,12,14,13};
- i = anIds;
+ }
+ break;
+
+ case SMDSGeom_BALL: // -------------------- Ball
+ {
+ if ( !theCopy && !theTargetMesh ) continue;
+
+ TNodeNodeMap::iterator nodeMapIt = nodeMap.find( elem->GetNode(0) );
+ if (nodeMapIt == nodeMap.end())
+ continue; // not all nodes transformed
+
+ double diameter = static_cast<const SMDS_BallElement*>(elem)->GetDiameter();
+ if ( theTargetMesh ) {
+ myLastCreatedElems.Append(aTgtMesh->AddBall( nodeMapIt->second, diameter ));
+ srcElems.Append( elem );
}
- else { // nbNodes==20 - quadratic hexahedron with 20 nodes
- static int anIds[] = {0,3,2,1,4,7,6,5,11,10,9,8,15,14,13,12,16,19,18,17};
- i = anIds;
+ else {
+ myLastCreatedElems.Append(aMesh->AddBall( nodeMapIt->second, diameter ));
+ srcElems.Append( elem );
}
}
- }
+ break;
- // find transformed nodes
- vector<const SMDS_MeshNode*> nodes(nbNodes);
- int iNode = 0;
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
- const SMDS_MeshNode* node =
- static_cast<const SMDS_MeshNode*>( itN->next() );
- TNodeNodeMap::iterator nodeMapIt = nodeMap.find( node );
- if ( nodeMapIt == nodeMap.end() )
- break; // not all nodes transformed
- nodes[ i [ iNode++ ]] = (*nodeMapIt).second;
- }
- if ( iNode != nbNodes )
- continue; // not all nodes transformed
+ default: // ----------------------- Regular elements
+
+ while ( iForw.size() < nbNodes ) iForw.push_back( iForw.size() );
+ const std::vector<int>& iRev = SMDS_MeshCell::reverseSmdsOrder( elem->GetEntityType() );
+ const std::vector<int>& i = needReverse ? iRev : iForw;
- if ( theTargetMesh ) {
- if ( SMDS_MeshElement* copy =
- targetMeshEditor.AddElement( nodes, elem->GetType(), elem->IsPoly() )) {
- myLastCreatedElems.Append( copy );
- srcElems.Append( elem );
+ // find transformed nodes
+ vector<const SMDS_MeshNode*> nodes(nbNodes);
+ int iNode = 0;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() ) {
+ const SMDS_MeshNode* node =
+ static_cast<const SMDS_MeshNode*>( itN->next() );
+ TNodeNodeMap::iterator nodeMapIt = nodeMap.find( node );
+ if ( nodeMapIt == nodeMap.end() )
+ break; // not all nodes transformed
+ nodes[ i [ iNode++ ]] = (*nodeMapIt).second;
}
- }
- else if ( theCopy ) {
- if ( SMDS_MeshElement* copy = AddElement( nodes, elem->GetType(), elem->IsPoly() )) {
- myLastCreatedElems.Append( copy );
- srcElems.Append( elem );
+ if ( iNode != nbNodes )
+ continue; // not all nodes transformed
+
+ if ( theTargetMesh ) {
+ if ( SMDS_MeshElement* copy =
+ targetMeshEditor.AddElement( nodes, elem->GetType(), elem->IsPoly() )) {
+ myLastCreatedElems.Append( copy );
+ srcElems.Append( elem );
+ }
}
- }
- else {
- // reverse element as it was reversed by transformation
- if ( nbNodes > 2 )
- aMesh->ChangeElementNodes( elem, &nodes[0], nbNodes );
- }
- }
+ else if ( theCopy ) {
+ if ( AddElement( nodes, elem->GetType(), elem->IsPoly() ))
+ srcElems.Append( elem );
+ }
+ else {
+ // reverse element as it was reversed by transformation
+ if ( nbNodes > 2 )
+ aMesh->ChangeElementNodes( elem, &nodes[0], nbNodes );
+ }
+ } // switch ( geomType )
+
+ } // loop on elements
PGroupIDs newGroupIDs;
- if ( theMakeGroups && theCopy ||
- theMakeGroups && theTargetMesh )
+ if ( ( theMakeGroups && theCopy ) ||
+ ( theMakeGroups && theTargetMesh ) )
newGroupIDs = generateGroups( srcNodes, srcElems, groupPostfix, theTargetMesh );
return newGroupIDs;
// Sort existing groups by types and collect their names
- // to store an old group and a generated new one
- typedef pair< SMESHDS_GroupBase*, SMDS_MeshGroup* > TOldNewGroup;
+ // to store an old group and a generated new ones
+ using boost::tuple;
+ using boost::make_tuple;
+ typedef tuple< SMESHDS_GroupBase*, SMESHDS_Group*, SMESHDS_Group* > TOldNewGroup;
vector< list< TOldNewGroup > > groupsByType( SMDSAbs_NbElementTypes );
+ vector< TOldNewGroup* > orderedOldNewGroups; // in order of old groups
// group names
set< string > groupNames;
- //
- SMDS_MeshGroup* nullNewGroup = (SMDS_MeshGroup*) 0;
+
SMESH_Mesh::GroupIteratorPtr groupIt = GetMesh()->GetGroups();
- while ( groupIt->more() ) {
+ if ( !groupIt->more() ) return newGroupIDs;
+
+ int newGroupID = mesh->GetGroupIds().back()+1;
+ while ( groupIt->more() )
+ {
SMESH_Group * group = groupIt->next();
if ( !group ) continue;
SMESHDS_GroupBase* groupDS = group->GetGroupDS();
if ( !groupDS || groupDS->IsEmpty() ) continue;
- groupNames.insert( group->GetName() );
+ groupNames.insert ( group->GetName() );
groupDS->SetStoreName( group->GetName() );
- groupsByType[ groupDS->GetType() ].push_back( make_pair( groupDS, nullNewGroup ));
+ const SMDSAbs_ElementType type = groupDS->GetType();
+ SMESHDS_Group* newGroup = new SMESHDS_Group( newGroupID++, mesh->GetMeshDS(), type );
+ SMESHDS_Group* newTopGroup = new SMESHDS_Group( newGroupID++, mesh->GetMeshDS(), type );
+ groupsByType[ groupDS->GetType() ].push_back( make_tuple( groupDS, newGroup, newTopGroup ));
+ orderedOldNewGroups.push_back( & groupsByType[ groupDS->GetType() ].back() );
}
- // Groups creation
+ // Loop on nodes and elements to add them in new groups
- // loop on nodes and elements
for ( int isNodes = 0; isNodes < 2; ++isNodes )
{
const SMESH_SequenceOfElemPtr& gens = isNodes ? nodeGens : elemGens;
const SMESH_SequenceOfElemPtr& elems = isNodes ? myLastCreatedNodes : myLastCreatedElems;
if ( gens.Length() != elems.Length() )
- throw SALOME_Exception(LOCALIZED("invalid args"));
+ throw SALOME_Exception("SMESH_MeshEditor::generateGroups(): invalid args");
// loop on created elements
for (int iElem = 1; iElem <= elems.Length(); ++iElem )
continue;
}
list< TOldNewGroup > & groupsOldNew = groupsByType[ sourceElem->GetType() ];
- if ( groupsOldNew.empty() ) {
+ if ( groupsOldNew.empty() ) { // no groups of this type at all
while ( iElem < gens.Length() && gens( iElem+1 ) == sourceElem )
++iElem; // skip all elements made by sourceElem
continue;
}
- // collect all elements made by sourceElem
+ // collect all elements made by the iElem-th sourceElem
list< const SMDS_MeshElement* > resultElems;
if ( const SMDS_MeshElement* resElem = elems( iElem ))
if ( resElem != sourceElem )
if ( const SMDS_MeshElement* resElem = elems( ++iElem ))
if ( resElem != sourceElem )
resultElems.push_back( resElem );
- // do not generate element groups from node ones
- if ( sourceElem->GetType() == SMDSAbs_Node &&
- elems( iElem )->GetType() != SMDSAbs_Node )
- continue;
// add resultElems to groups made by ones the sourceElem belongs to
list< TOldNewGroup >::iterator gOldNew, gLast = groupsOldNew.end();
for ( gOldNew = groupsOldNew.begin(); gOldNew != gLast; ++gOldNew )
{
- SMESHDS_GroupBase* oldGroup = gOldNew->first;
- if ( oldGroup->Contains( sourceElem )) // sourceElem in oldGroup
+ SMESHDS_GroupBase* oldGroup = gOldNew->get<0>();
+ if ( oldGroup->Contains( sourceElem )) // sourceElem is in oldGroup
{
- SMDS_MeshGroup* & newGroup = gOldNew->second;
- if ( !newGroup )// create a new group
- {
- // make a name
- string name = oldGroup->GetStoreName();
- if ( !targetMesh ) {
- name += "_";
- name += postfix;
- int nb = 0;
- while ( !groupNames.insert( name ).second ) // name exists
- {
- if ( nb == 0 ) {
- name += "_1";
- }
- else {
- TCollection_AsciiString nbStr(nb+1);
- name.resize( name.rfind('_')+1 );
- name += nbStr.ToCString();
- }
- ++nb;
- }
- }
- // make a group
- int id;
- SMESH_Group* group = mesh->AddGroup( resultElems.back()->GetType(),
- name.c_str(), id );
- SMESHDS_Group* groupDS = static_cast<SMESHDS_Group*>(group->GetGroupDS());
- newGroup = & groupDS->SMDSGroup();
- newGroupIDs->push_back( id );
- }
-
// fill in a new group
+ SMDS_MeshGroup & newGroup = gOldNew->get<1>()->SMDSGroup();
+ list< const SMDS_MeshElement* > rejectedElems; // elements of other type
list< const SMDS_MeshElement* >::iterator resLast = resultElems.end(), resElemIt;
for ( resElemIt = resultElems.begin(); resElemIt != resLast; ++resElemIt )
- newGroup->Add( *resElemIt );
+ if ( !newGroup.Add( *resElemIt ))
+ rejectedElems.push_back( *resElemIt );
+
+ // fill "top" group
+ if ( !rejectedElems.empty() )
+ {
+ SMDS_MeshGroup & newTopGroup = gOldNew->get<2>()->SMDSGroup();
+ resLast = rejectedElems.end();
+ for ( resElemIt = rejectedElems.begin(); resElemIt != resLast; ++resElemIt )
+ !newTopGroup.Add( *resElemIt );
+ }
}
}
} // loop on created elements
}// loop on nodes and elements
+ // Create new SMESH_Groups from SMESHDS_Groups and remove empty SMESHDS_Groups
+
+ list<int> topGrouIds;
+ for ( size_t i = 0; i < orderedOldNewGroups.size(); ++i )
+ {
+ SMESHDS_GroupBase* oldGroupDS = orderedOldNewGroups[i]->get<0>();
+ SMESHDS_Group* newGroups[2] = { orderedOldNewGroups[i]->get<1>(),
+ orderedOldNewGroups[i]->get<2>() };
+ const int nbNewGroups = !newGroups[0]->IsEmpty() + !newGroups[1]->IsEmpty();
+ for ( int is2nd = 0; is2nd < 2; ++is2nd )
+ {
+ SMESHDS_Group* newGroupDS = newGroups[ is2nd ];
+ if ( newGroupDS->IsEmpty() )
+ {
+ mesh->GetMeshDS()->RemoveGroup( newGroupDS );
+ }
+ else
+ {
+ // set group type
+ newGroupDS->SetType( newGroupDS->GetElements()->next()->GetType() );
+
+ // make a name
+ const bool isTop = ( nbNewGroups == 2 &&
+ newGroupDS->GetType() == oldGroupDS->GetType() );
+ string name = oldGroupDS->GetStoreName();
+ if ( !targetMesh ) {
+ string suffix = ( isTop ? "top": postfix.c_str() );
+ name += "_";
+ name += suffix;
+ int nb = 1;
+ while ( !groupNames.insert( name ).second ) // name exists
+ name = SMESH_Comment( oldGroupDS->GetStoreName() ) << "_" << suffix << "_" << nb++;
+ }
+ else if ( isTop ) {
+ name += "_top";
+ }
+ newGroupDS->SetStoreName( name.c_str() );
+
+ // make a SMESH_Groups
+ mesh->AddGroup( newGroupDS );
+ if ( isTop )
+ topGrouIds.push_back( newGroupDS->GetID() );
+ else
+ newGroupIDs->push_back( newGroupDS->GetID() );
+ }
+ }
+ }
+ newGroupIDs->splice( newGroupIDs->end(), topGrouIds );
+
return newGroupIDs;
}
*/
//================================================================================
-void SMESH_MeshEditor::FindCoincidentNodes (set<const SMDS_MeshNode*> & theNodes,
- const double theTolerance,
- TListOfListOfNodes & theGroupsOfNodes)
+void SMESH_MeshEditor::FindCoincidentNodes (TIDSortedNodeSet & theNodes,
+ const double theTolerance,
+ TListOfListOfNodes & theGroupsOfNodes)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- set<const SMDS_MeshNode*> nodes;
if ( theNodes.empty() )
{ // get all nodes in the mesh
- SMDS_NodeIteratorPtr nIt = GetMeshDS()->nodesIterator();
+ SMDS_NodeIteratorPtr nIt = GetMeshDS()->nodesIterator(/*idInceasingOrder=*/true);
while ( nIt->more() )
- nodes.insert( nodes.end(),nIt->next());
+ theNodes.insert( theNodes.end(),nIt->next());
}
- else
- nodes=theNodes;
- SMESH_OctreeNode::FindCoincidentNodes ( nodes, &theGroupsOfNodes, theTolerance);
+ SMESH_OctreeNode::FindCoincidentNodes ( theNodes, &theGroupsOfNodes, theTolerance);
}
{
myMesh = ( SMESHDS_Mesh* ) theMesh;
- set<const SMDS_MeshNode*> nodes;
+ TIDSortedNodeSet nodes;
if ( theMesh ) {
- SMDS_NodeIteratorPtr nIt = theMesh->nodesIterator();
+ SMDS_NodeIteratorPtr nIt = theMesh->nodesIterator(/*idInceasingOrder=*/true);
while ( nIt->more() )
nodes.insert( nodes.end(), nIt->next() );
}
*/
const SMDS_MeshNode* FindClosestTo( const gp_Pnt& thePnt )
{
- SMDS_MeshNode tgtNode( thePnt.X(), thePnt.Y(), thePnt.Z() );
map<double, const SMDS_MeshNode*> dist2Nodes;
- myOctreeNode->NodesAround( &tgtNode, dist2Nodes, myHalfLeafSize );
+ myOctreeNode->NodesAround( thePnt.Coord(), dist2Nodes, myHalfLeafSize );
if ( !dist2Nodes.empty() )
return dist2Nodes.begin()->second;
list<const SMDS_MeshNode*> nodes;
list< SMESH_OctreeNode* >::iterator trIt;
treeList.push_back( myOctreeNode );
- SMDS_MeshNode pointNode( thePnt.X(), thePnt.Y(), thePnt.Z() );
+ gp_XYZ pointNode( thePnt.X(), thePnt.Y(), thePnt.Z() );
+ bool pointInside = myOctreeNode->isInside( pointNode, myHalfLeafSize );
for ( trIt = treeList.begin(); trIt != treeList.end(); ++trIt)
{
SMESH_OctreeNode* tree = *trIt;
if ( !tree->isLeaf() ) // put children to the queue
{
- if ( !tree->isInside( &pointNode, myHalfLeafSize )) continue;
+ if ( pointInside && !tree->isInside( pointNode, myHalfLeafSize )) continue;
SMESH_OctreeNodeIteratorPtr cIt = tree->GetChildrenIterator();
while ( cIt->more() )
treeList.push_back( cIt->next() );
}
else if ( tree->NbNodes() ) // put a tree to the treeMap
{
- const Bnd_B3d& box = tree->getBox();
+ const Bnd_B3d& box = *tree->getBox();
double sqDist = thePnt.SquareDistance( 0.5 * ( box.CornerMin() + box.CornerMax() ));
pair<TDistTreeMap::iterator,bool> it_in = treeMap.insert( make_pair( sqDist, tree ));
if ( !it_in.second ) // not unique distance to box center
TDistTreeMap::iterator sqDist_tree = treeMap.begin();
if ( treeMap.size() > 5 ) {
SMESH_OctreeNode* closestTree = sqDist_tree->second;
- const Bnd_B3d& box = closestTree->getBox();
+ const Bnd_B3d& box = *closestTree->getBox();
double limit = sqrt( sqDist_tree->first ) + sqrt ( box.SquareExtent() );
sqLimit = limit * limit;
}
const SMDS_MeshNode* closestNode = 0;
list<const SMDS_MeshNode*>::iterator nIt = nodes.begin();
for ( ; nIt != nodes.end(); ++nIt ) {
- double sqDist = thePnt.SquareDistance( TNodeXYZ( *nIt ) );
+ double sqDist = thePnt.SquareDistance( SMESH_TNodeXYZ( *nIt ) );
if ( minSqDist > sqDist ) {
closestNode = *nIt;
minSqDist = sqDist;
*/
//=======================================================================
-SMESH_NodeSearcher* SMESH_MeshEditor::GetNodeSearcher()
+SMESH_NodeSearcher* SMESH_MeshEditor::GetNodeSearcher()
{
return new SMESH_NodeSearcherImpl( GetMeshDS() );
}
{
public:
- ElementBndBoxTree(const SMDS_Mesh& mesh, SMDSAbs_ElementType elemType);
- void getElementsNearPoint( const gp_Pnt& point, TIDSortedElemSet& foundElems);
+ ElementBndBoxTree(const SMDS_Mesh& mesh,
+ SMDSAbs_ElementType elemType,
+ SMDS_ElemIteratorPtr theElemIt = SMDS_ElemIteratorPtr(),
+ double tolerance = NodeRadius );
+ void getElementsNearPoint( const gp_Pnt& point, TIDSortedElemSet& foundElems );
+ void getElementsNearLine ( const gp_Ax1& line, TIDSortedElemSet& foundElems);
+ void getElementsInSphere ( const gp_XYZ& center,
+ const double radius, TIDSortedElemSet& foundElems);
+ size_t getSize() { return std::max( _size, _elements.size() ); }
~ElementBndBoxTree();
protected:
- ElementBndBoxTree() {}
- SMESH_Octree* allocateOctreeChild() const { return new ElementBndBoxTree; }
- void buildChildrenData();
- Bnd_B3d* buildRootBox();
+ ElementBndBoxTree():_size(0) {}
+ SMESH_Octree* newChild() const { return new ElementBndBoxTree; }
+ void buildChildrenData();
+ Bnd_B3d* buildRootBox();
private:
//!< Bounding box of element
struct ElementBox : public Bnd_B3d
{
const SMDS_MeshElement* _element;
int _refCount; // an ElementBox can be included in several tree branches
- ElementBox(const SMDS_MeshElement* elem);
+ ElementBox(const SMDS_MeshElement* elem, double tolerance);
};
vector< ElementBox* > _elements;
+ size_t _size;
};
//================================================================================
*/
//================================================================================
- ElementBndBoxTree::ElementBndBoxTree(const SMDS_Mesh& mesh, SMDSAbs_ElementType elemType)
- :SMESH_Octree( new SMESH_Octree::Limit( MaxLevel, /*minSize=*/0. ))
+ ElementBndBoxTree::ElementBndBoxTree(const SMDS_Mesh& mesh, SMDSAbs_ElementType elemType, SMDS_ElemIteratorPtr theElemIt, double tolerance)
+ :SMESH_Octree( new SMESH_TreeLimit( MaxLevel, /*minSize=*/0. ))
{
int nbElems = mesh.GetMeshInfo().NbElements( elemType );
_elements.reserve( nbElems );
- SMDS_ElemIteratorPtr elemIt = mesh.elementsIterator( elemType );
+ SMDS_ElemIteratorPtr elemIt = theElemIt ? theElemIt : mesh.elementsIterator( elemType );
while ( elemIt->more() )
- _elements.push_back( new ElementBox( elemIt->next() ));
+ _elements.push_back( new ElementBox( elemIt->next(),tolerance ));
- if ( _elements.size() > MaxNbElemsInLeaf )
- compute();
- else
- myIsLeaf = true;
+ compute();
}
//================================================================================
{
for (int j = 0; j < 8; j++)
{
- if ( !_elements[i]->IsOut( myChildren[j]->getBox() ))
+ if ( !_elements[i]->IsOut( *myChildren[j]->getBox() ))
{
_elements[i]->_refCount++;
((ElementBndBoxTree*)myChildren[j])->_elements.push_back( _elements[i]);
}
_elements[i]->_refCount--;
}
- _elements.clear();
+ _size = _elements.size();
+ SMESHUtils::FreeVector( _elements ); // = _elements.clear() + free memory
for (int j = 0; j < 8; j++)
{
child->myIsLeaf = true;
if ( child->_elements.capacity() - child->_elements.size() > 1000 )
- child->_elements.resize( child->_elements.size() ); // compact
+ SMESHUtils::CompactVector( child->_elements );
}
}
void ElementBndBoxTree::getElementsNearPoint( const gp_Pnt& point,
TIDSortedElemSet& foundElems)
{
- if ( level() && getBox().IsOut( point.XYZ() ))
+ if ( getBox()->IsOut( point.XYZ() ))
return;
if ( isLeaf() )
//================================================================================
/*!
- * \brief Construct the element box
+ * \brief Return elements which can be intersected by the line
*/
//================================================================================
- ElementBndBoxTree::ElementBox::ElementBox(const SMDS_MeshElement* elem)
+ void ElementBndBoxTree::getElementsNearLine( const gp_Ax1& line,
+ TIDSortedElemSet& foundElems)
{
- _element = elem;
- _refCount = 1;
- SMDS_ElemIteratorPtr nIt = elem->nodesIterator();
- while ( nIt->more() )
- Add( TNodeXYZ( cast2Node( nIt->next() )));
- Enlarge( NodeRadius );
- }
+ if ( getBox()->IsOut( line ))
+ return;
+
+ if ( isLeaf() )
+ {
+ for ( int i = 0; i < _elements.size(); ++i )
+ if ( !_elements[i]->IsOut( line ))
+ foundElems.insert( _elements[i]->_element );
+ }
+ else
+ {
+ for (int i = 0; i < 8; i++)
+ ((ElementBndBoxTree*) myChildren[i])->getElementsNearLine( line, foundElems );
+ }
+ }
+
+ //================================================================================
+ /*!
+ * \brief Return elements from leaves intersecting the sphere
+ */
+ //================================================================================
+
+ void ElementBndBoxTree::getElementsInSphere ( const gp_XYZ& center,
+ const double radius,
+ TIDSortedElemSet& foundElems)
+ {
+ if ( getBox()->IsOut( center, radius ))
+ return;
+
+ if ( isLeaf() )
+ {
+ for ( int i = 0; i < _elements.size(); ++i )
+ if ( !_elements[i]->IsOut( center, radius ))
+ foundElems.insert( _elements[i]->_element );
+ }
+ else
+ {
+ for (int i = 0; i < 8; i++)
+ ((ElementBndBoxTree*) myChildren[i])->getElementsInSphere( center, radius, foundElems );
+ }
+ }
+
+ //================================================================================
+ /*!
+ * \brief Construct the element box
+ */
+ //================================================================================
+
+ ElementBndBoxTree::ElementBox::ElementBox(const SMDS_MeshElement* elem, double tolerance)
+ {
+ _element = elem;
+ _refCount = 1;
+ SMDS_ElemIteratorPtr nIt = elem->nodesIterator();
+ while ( nIt->more() )
+ Add( SMESH_TNodeXYZ( nIt->next() ));
+ Enlarge( tolerance );
+ }
} // namespace
//=======================================================================
/*!
- * \brief Implementation of search for the elements by point
+ * \brief Implementation of search for the elements by point and
+ * of classification of point in 2D mesh
*/
//=======================================================================
struct SMESH_ElementSearcherImpl: public SMESH_ElementSearcher
{
- SMESHDS_Mesh* _mesh;
- ElementBndBoxTree* _ebbTree;
- SMESH_NodeSearcherImpl* _nodeSearcher;
- SMDSAbs_ElementType _elementType;
-
- SMESH_ElementSearcherImpl( SMESHDS_Mesh& mesh ): _mesh(&mesh),_ebbTree(0),_nodeSearcher(0) {}
+ SMESHDS_Mesh* _mesh;
+ SMDS_ElemIteratorPtr _meshPartIt;
+ ElementBndBoxTree* _ebbTree;
+ SMESH_NodeSearcherImpl* _nodeSearcher;
+ SMDSAbs_ElementType _elementType;
+ double _tolerance;
+ bool _outerFacesFound;
+ set<const SMDS_MeshElement*> _outerFaces; // empty means "no internal faces at all"
+
+ SMESH_ElementSearcherImpl( SMESHDS_Mesh& mesh, SMDS_ElemIteratorPtr elemIt=SMDS_ElemIteratorPtr())
+ : _mesh(&mesh),_meshPartIt(elemIt),_ebbTree(0),_nodeSearcher(0),_tolerance(-1),_outerFacesFound(false) {}
~SMESH_ElementSearcherImpl()
{
if ( _ebbTree ) delete _ebbTree; _ebbTree = 0;
if ( _nodeSearcher ) delete _nodeSearcher; _nodeSearcher = 0;
}
-
- /*!
- * \brief Return elements of given type where the given point is IN or ON.
- *
- * 'ALL' type means elements of any type excluding nodes and 0D elements
- */
- void FindElementsByPoint(const gp_Pnt& point,
- SMDSAbs_ElementType type,
- vector< const SMDS_MeshElement* >& foundElements)
+ virtual int FindElementsByPoint(const gp_Pnt& point,
+ SMDSAbs_ElementType type,
+ vector< const SMDS_MeshElement* >& foundElements);
+ virtual TopAbs_State GetPointState(const gp_Pnt& point);
+ virtual const SMDS_MeshElement* FindClosestTo( const gp_Pnt& point,
+ SMDSAbs_ElementType type );
+
+ void GetElementsNearLine( const gp_Ax1& line,
+ SMDSAbs_ElementType type,
+ vector< const SMDS_MeshElement* >& foundElems);
+ double getTolerance();
+ bool getIntersParamOnLine(const gp_Lin& line, const SMDS_MeshElement* face,
+ const double tolerance, double & param);
+ void findOuterBoundary(const SMDS_MeshElement* anyOuterFace);
+ bool isOuterBoundary(const SMDS_MeshElement* face) const
{
- foundElements.clear();
+ return _outerFaces.empty() || _outerFaces.count(face);
+ }
+ struct TInters //!< data of intersection of the line and the mesh face (used in GetPointState())
+ {
+ const SMDS_MeshElement* _face;
+ gp_Vec _faceNorm;
+ bool _coincides; //!< the line lays in face plane
+ TInters(const SMDS_MeshElement* face, const gp_Vec& faceNorm, bool coinc=false)
+ : _face(face), _faceNorm( faceNorm ), _coincides( coinc ) {}
+ };
+ struct TFaceLink //!< link and faces sharing it (used in findOuterBoundary())
+ {
+ SMESH_TLink _link;
+ TIDSortedElemSet _faces;
+ TFaceLink( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2, const SMDS_MeshElement* face)
+ : _link( n1, n2 ), _faces( &face, &face + 1) {}
+ };
+};
+
+ostream& operator<< (ostream& out, const SMESH_ElementSearcherImpl::TInters& i)
+{
+ return out << "TInters(face=" << ( i._face ? i._face->GetID() : 0)
+ << ", _coincides="<<i._coincides << ")";
+}
+
+//=======================================================================
+/*!
+ * \brief define tolerance for search
+ */
+//=======================================================================
+double SMESH_ElementSearcherImpl::getTolerance()
+{
+ if ( _tolerance < 0 )
+ {
const SMDS_MeshInfo& meshInfo = _mesh->GetMeshInfo();
- // -----------------
- // define tolerance
- // -----------------
- double tolerance = 0;
+ _tolerance = 0;
if ( _nodeSearcher && meshInfo.NbNodes() > 1 )
{
double boxSize = _nodeSearcher->getTree()->maxSize();
- tolerance = 1e-8 * boxSize/* / meshInfo.NbNodes()*/;
+ _tolerance = 1e-8 * boxSize/* / meshInfo.NbNodes()*/;
}
else if ( _ebbTree && meshInfo.NbElements() > 0 )
{
double boxSize = _ebbTree->maxSize();
- tolerance = 1e-8 * boxSize/* / meshInfo.NbElements()*/;
+ _tolerance = 1e-8 * boxSize/* / meshInfo.NbElements()*/;
}
- if ( tolerance == 0 )
+ if ( _tolerance == 0 )
{
// define tolerance by size of a most complex element
int complexType = SMDSAbs_Volume;
while ( complexType > SMDSAbs_All &&
meshInfo.NbElements( SMDSAbs_ElementType( complexType )) < 1 )
--complexType;
- if ( complexType == SMDSAbs_All ) return; // empty mesh
-
+ if ( complexType == SMDSAbs_All ) return 0; // empty mesh
double elemSize;
if ( complexType == int( SMDSAbs_Node ))
{
SMDS_NodeIteratorPtr nodeIt = _mesh->nodesIterator();
elemSize = 1;
if ( meshInfo.NbNodes() > 2 )
- elemSize = TNodeXYZ( nodeIt->next() ).Distance( nodeIt->next() );
+ elemSize = SMESH_TNodeXYZ( nodeIt->next() ).Distance( nodeIt->next() );
}
else
{
- const SMDS_MeshElement* elem =
- _mesh->elementsIterator( SMDSAbs_ElementType( complexType ))->next();
+ SMDS_ElemIteratorPtr elemIt =
+ _mesh->elementsIterator( SMDSAbs_ElementType( complexType ));
+ const SMDS_MeshElement* elem = elemIt->next();
SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
- TNodeXYZ n1( cast2Node( nodeIt->next() ));
+ SMESH_TNodeXYZ n1( cast2Node( nodeIt->next() ));
+ elemSize = 0;
while ( nodeIt->more() )
{
double dist = n1.Distance( cast2Node( nodeIt->next() ));
elemSize = max( dist, elemSize );
}
}
- tolerance = 1e-6 * elemSize;
+ _tolerance = 1e-4 * elemSize;
}
+ }
+ return _tolerance;
+}
+
+//================================================================================
+/*!
+ * \brief Find intersection of the line and an edge of face and return parameter on line
+ */
+//================================================================================
- // =================================================================================
- if ( type == SMDSAbs_Node || type == SMDSAbs_0DElement )
+bool SMESH_ElementSearcherImpl::getIntersParamOnLine(const gp_Lin& line,
+ const SMDS_MeshElement* face,
+ const double tol,
+ double & param)
+{
+ int nbInts = 0;
+ param = 0;
+
+ GeomAPI_ExtremaCurveCurve anExtCC;
+ Handle(Geom_Curve) lineCurve = new Geom_Line( line );
+
+ int nbNodes = face->IsQuadratic() ? face->NbNodes()/2 : face->NbNodes();
+ for ( int i = 0; i < nbNodes && nbInts < 2; ++i )
+ {
+ GC_MakeSegment edge( SMESH_TNodeXYZ( face->GetNode( i )),
+ SMESH_TNodeXYZ( face->GetNode( (i+1)%nbNodes) ));
+ anExtCC.Init( lineCurve, edge);
+ if ( anExtCC.NbExtrema() > 0 && anExtCC.LowerDistance() <= tol)
{
- if ( !_nodeSearcher )
- _nodeSearcher = new SMESH_NodeSearcherImpl( _mesh );
+ Quantity_Parameter pl, pe;
+ anExtCC.LowerDistanceParameters( pl, pe );
+ param += pl;
+ if ( ++nbInts == 2 )
+ break;
+ }
+ }
+ if ( nbInts > 0 ) param /= nbInts;
+ return nbInts > 0;
+}
+//================================================================================
+/*!
+ * \brief Find all faces belonging to the outer boundary of mesh
+ */
+//================================================================================
- const SMDS_MeshNode* closeNode = _nodeSearcher->FindClosestTo( point );
- if ( !closeNode ) return;
+void SMESH_ElementSearcherImpl::findOuterBoundary(const SMDS_MeshElement* outerFace)
+{
+ if ( _outerFacesFound ) return;
- if ( point.Distance( TNodeXYZ( closeNode )) > tolerance )
- return; // to far from any node
+ // Collect all outer faces by passing from one outer face to another via their links
+ // and BTW find out if there are internal faces at all.
- if ( type == SMDSAbs_Node )
- {
- foundElements.push_back( closeNode );
- }
- else
+ // checked links and links where outer boundary meets internal one
+ set< SMESH_TLink > visitedLinks, seamLinks;
+
+ // links to treat with already visited faces sharing them
+ list < TFaceLink > startLinks;
+
+ // load startLinks with the first outerFace
+ startLinks.push_back( TFaceLink( outerFace->GetNode(0), outerFace->GetNode(1), outerFace));
+ _outerFaces.insert( outerFace );
+
+ TIDSortedElemSet emptySet;
+ while ( !startLinks.empty() )
+ {
+ const SMESH_TLink& link = startLinks.front()._link;
+ TIDSortedElemSet& faces = startLinks.front()._faces;
+
+ outerFace = *faces.begin();
+ // find other faces sharing the link
+ const SMDS_MeshElement* f;
+ while (( f = SMESH_MeshEditor::FindFaceInSet(link.node1(), link.node2(), emptySet, faces )))
+ faces.insert( f );
+
+ // select another outer face among the found
+ const SMDS_MeshElement* outerFace2 = 0;
+ if ( faces.size() == 2 )
+ {
+ outerFace2 = (outerFace == *faces.begin() ? *faces.rbegin() : *faces.begin());
+ }
+ else if ( faces.size() > 2 )
+ {
+ seamLinks.insert( link );
+
+ // link direction within the outerFace
+ gp_Vec n1n2( SMESH_TNodeXYZ( link.node1()),
+ SMESH_TNodeXYZ( link.node2()));
+ int i1 = outerFace->GetNodeIndex( link.node1() );
+ int i2 = outerFace->GetNodeIndex( link.node2() );
+ bool rev = ( abs(i2-i1) == 1 ? i1 > i2 : i2 > i1 );
+ if ( rev ) n1n2.Reverse();
+ // outerFace normal
+ gp_XYZ ofNorm, fNorm;
+ if ( SMESH_Algo::FaceNormal( outerFace, ofNorm, /*normalized=*/false ))
{
- SMDS_ElemIteratorPtr elemIt = closeNode->GetInverseElementIterator( SMDSAbs_0DElement );
- while ( elemIt->more() )
- foundElements.push_back( elemIt->next() );
+ // direction from the link inside outerFace
+ gp_Vec dirInOF = gp_Vec( ofNorm ) ^ n1n2;
+ // sort all other faces by angle with the dirInOF
+ map< double, const SMDS_MeshElement* > angle2Face;
+ set< const SMDS_MeshElement*, TIDCompare >::const_iterator face = faces.begin();
+ for ( ; face != faces.end(); ++face )
+ {
+ if ( !SMESH_Algo::FaceNormal( *face, fNorm, /*normalized=*/false ))
+ continue;
+ gp_Vec dirInF = gp_Vec( fNorm ) ^ n1n2;
+ double angle = dirInOF.AngleWithRef( dirInF, n1n2 );
+ if ( angle < 0 ) angle += 2. * M_PI;
+ angle2Face.insert( make_pair( angle, *face ));
+ }
+ if ( !angle2Face.empty() )
+ outerFace2 = angle2Face.begin()->second;
}
}
- // =================================================================================
- else // elements more complex than 0D
+ // store the found outer face and add its links to continue seaching from
+ if ( outerFace2 )
{
- if ( !_ebbTree || _elementType != type )
+ _outerFaces.insert( outerFace );
+ int nbNodes = outerFace2->NbNodes()/( outerFace2->IsQuadratic() ? 2 : 1 );
+ for ( int i = 0; i < nbNodes; ++i )
{
- if ( _ebbTree ) delete _ebbTree;
- _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = type );
+ SMESH_TLink link2( outerFace2->GetNode(i), outerFace2->GetNode((i+1)%nbNodes));
+ if ( visitedLinks.insert( link2 ).second )
+ startLinks.push_back( TFaceLink( link2.node1(), link2.node2(), outerFace2 ));
}
- TIDSortedElemSet suspectElems;
- _ebbTree->getElementsNearPoint( point, suspectElems );
- TIDSortedElemSet::iterator elem = suspectElems.begin();
- for ( ; elem != suspectElems.end(); ++elem )
- if ( !SMESH_MeshEditor::isOut( *elem, point, tolerance ))
- foundElements.push_back( *elem );
}
+ startLinks.pop_front();
}
-}; // struct SMESH_ElementSearcherImpl
+ _outerFacesFound = true;
-//=======================================================================
-/*!
- * \brief Return SMESH_ElementSearcher
- */
-//=======================================================================
+ if ( !seamLinks.empty() )
+ {
+ // There are internal boundaries touching the outher one,
+ // find all faces of internal boundaries in order to find
+ // faces of boundaries of holes, if any.
-SMESH_ElementSearcher* SMESH_MeshEditor::GetElementSearcher()
-{
- return new SMESH_ElementSearcherImpl( *GetMeshDS() );
+ }
+ else
+ {
+ _outerFaces.clear();
+ }
}
//=======================================================================
/*!
- * \brief Return true if the point is IN or ON of the element
+ * \brief Find elements of given type where the given point is IN or ON.
+ * Returns nb of found elements and elements them-selves.
+ *
+ * 'ALL' type means elements of any type excluding nodes, balls and 0D elements
*/
//=======================================================================
-bool SMESH_MeshEditor::isOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol )
+int SMESH_ElementSearcherImpl::
+FindElementsByPoint(const gp_Pnt& point,
+ SMDSAbs_ElementType type,
+ vector< const SMDS_MeshElement* >& foundElements)
{
- if ( element->GetType() == SMDSAbs_Volume)
- {
- return SMDS_VolumeTool( element ).IsOut( point.X(), point.Y(), point.Z(), tol );
- }
+ foundElements.clear();
- // get ordered nodes
+ double tolerance = getTolerance();
- vector< gp_XYZ > xyz;
+ // =================================================================================
+ if ( type == SMDSAbs_Node || type == SMDSAbs_0DElement || type == SMDSAbs_Ball)
+ {
+ if ( !_nodeSearcher )
+ _nodeSearcher = new SMESH_NodeSearcherImpl( _mesh );
- SMDS_ElemIteratorPtr nodeIt = element->nodesIterator();
- if ( element->IsQuadratic() )
- if (const SMDS_QuadraticFaceOfNodes* f=dynamic_cast<const SMDS_QuadraticFaceOfNodes*>(element))
- nodeIt = f->interlacedNodesElemIterator();
- else if (const SMDS_QuadraticEdge* e =dynamic_cast<const SMDS_QuadraticEdge*>(element))
- nodeIt = e->interlacedNodesElemIterator();
+ const SMDS_MeshNode* closeNode = _nodeSearcher->FindClosestTo( point );
+ if ( !closeNode ) return foundElements.size();
- while ( nodeIt->more() )
- xyz.push_back( TNodeXYZ( cast2Node( nodeIt->next() )));
+ if ( point.Distance( SMESH_TNodeXYZ( closeNode )) > tolerance )
+ return foundElements.size(); // to far from any node
- if ( element->GetType() == SMDSAbs_Face ) // --------------------------------------------------
+ if ( type == SMDSAbs_Node )
+ {
+ foundElements.push_back( closeNode );
+ }
+ else
+ {
+ SMDS_ElemIteratorPtr elemIt = closeNode->GetInverseElementIterator( type );
+ while ( elemIt->more() )
+ foundElements.push_back( elemIt->next() );
+ }
+ }
+ // =================================================================================
+ else // elements more complex than 0D
{
- // gravity center
- gp_XYZ gc(0,0,0);
- gc = accumulate( xyz.begin(), xyz.end(), gc );
- gc /= element->NbNodes();
-
- // compute face normal using gc
- gp_Vec normal(0,0,0);
- xyz.push_back( xyz.front() );
- for ( int i = 0; i < element->NbNodes(); ++i )
+ if ( !_ebbTree || _elementType != type )
{
- gp_Vec edge( xyz[i], xyz[i+1]);
- gp_Vec n2gc( xyz[i], gc );
- normal += edge ^ n2gc;
+ if ( _ebbTree ) delete _ebbTree;
+ _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = type, _meshPartIt, tolerance );
}
- double faceDoubleArea = normal.Magnitude();
- if ( faceDoubleArea <= numeric_limits<double>::min() )
- return true; // invalid face
- normal /= faceDoubleArea;
+ TIDSortedElemSet suspectElems;
+ _ebbTree->getElementsNearPoint( point, suspectElems );
+ TIDSortedElemSet::iterator elem = suspectElems.begin();
+ for ( ; elem != suspectElems.end(); ++elem )
+ if ( !SMESH_MeshEditor::IsOut( *elem, point, tolerance ))
+ foundElements.push_back( *elem );
+ }
+ return foundElements.size();
+}
- // check if the point lays on face plane
- gp_Vec n2p( xyz[0], point );
- if ( fabs( n2p * normal ) > tol )
- return true; // not on face plane
+//=======================================================================
+/*!
+ * \brief Find an element of given type most close to the given point
+ *
+ * WARNING: Only face search is implemeneted so far
+ */
+//=======================================================================
+
+const SMDS_MeshElement*
+SMESH_ElementSearcherImpl::FindClosestTo( const gp_Pnt& point,
+ SMDSAbs_ElementType type )
+{
+ const SMDS_MeshElement* closestElem = 0;
- // check if point is out of face boundary
- int i, out = false;
- for ( i = 0; !out && i < element->NbNodes(); ++i )
+ if ( type == SMDSAbs_Face )
+ {
+ if ( !_ebbTree || _elementType != type )
{
- gp_Vec edge( xyz[i], xyz[i+1]);
- gp_Vec n2p ( xyz[i], point );
- gp_Vec cross = edge ^ n2p;
- out = ( cross * normal < -tol );
+ if ( _ebbTree ) delete _ebbTree;
+ _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = type, _meshPartIt );
}
- if ( out && element->IsPoly() )
+ TIDSortedElemSet suspectElems;
+ _ebbTree->getElementsNearPoint( point, suspectElems );
+
+ if ( suspectElems.empty() && _ebbTree->maxSize() > 0 )
{
- // define point position by the closest edge
- double minDist = numeric_limits<double>::max();
- int iMinDist;
- for ( i = 0; i < element->NbNodes(); ++i )
+ gp_Pnt boxCenter = 0.5 * ( _ebbTree->getBox()->CornerMin() +
+ _ebbTree->getBox()->CornerMax() );
+ double radius;
+ if ( _ebbTree->getBox()->IsOut( point.XYZ() ))
+ radius = point.Distance( boxCenter ) - 0.5 * _ebbTree->maxSize();
+ else
+ radius = _ebbTree->maxSize() / pow( 2., _ebbTree->getHeight()) / 2;
+ while ( suspectElems.empty() )
{
- gp_Vec edge( xyz[i], xyz[i+1]);
- gp_Vec n1p ( xyz[i], point);
- double dist = ( edge ^ n1p ).Magnitude() / edge.Magnitude();
- if ( dist < minDist )
- iMinDist = i;
+ _ebbTree->getElementsInSphere( point.XYZ(), radius, suspectElems );
+ radius *= 1.1;
}
- gp_Vec edge( xyz[iMinDist], xyz[iMinDist+1]);
- gp_Vec n2p ( xyz[iMinDist], point );
- gp_Vec cross = edge ^ n2p;
- out = ( cross * normal < -tol );
}
- return out;
- }
- if ( element->GetType() == SMDSAbs_Edge ) // --------------------------------------------------
- {
- for ( int i = 1; i < element->NbNodes(); ++i )
+ double minDist = std::numeric_limits<double>::max();
+ multimap< double, const SMDS_MeshElement* > dist2face;
+ TIDSortedElemSet::iterator elem = suspectElems.begin();
+ for ( ; elem != suspectElems.end(); ++elem )
{
- gp_Vec edge( xyz[i-1], xyz[i]);
- gp_Vec n1p ( xyz[i-1], point);
- double dist = ( edge ^ n1p ).Magnitude() / edge.Magnitude();
- if ( dist > tol )
- return true;
- gp_Vec n2p( xyz[i], point );
- if ( fabs( edge.Magnitude() - n1p.Magnitude() - n2p.Magnitude()) > tol )
- return true;
+ double dist = SMESH_MeshEditor::GetDistance( dynamic_cast<const SMDS_MeshFace*>(*elem),
+ point );
+ if ( dist < minDist + 1e-10)
+ {
+ minDist = dist;
+ dist2face.insert( dist2face.begin(), make_pair( dist, *elem ));
+ }
+ }
+ if ( !dist2face.empty() )
+ {
+ multimap< double, const SMDS_MeshElement* >::iterator d2f = dist2face.begin();
+ closestElem = d2f->second;
+ // if there are several elements at the same distance, select one
+ // with GC closest to the point
+ typedef SMDS_StdIterator< SMESH_TNodeXYZ, SMDS_ElemIteratorPtr > TXyzIterator;
+ double minDistToGC = 0;
+ for ( ++d2f; d2f != dist2face.end() && fabs( d2f->first - minDist ) < 1e-10; ++d2f )
+ {
+ if ( minDistToGC == 0 )
+ {
+ gp_XYZ gc(0,0,0);
+ gc = accumulate( TXyzIterator(closestElem->nodesIterator()),
+ TXyzIterator(), gc ) / closestElem->NbNodes();
+ minDistToGC = point.SquareDistance( gc );
+ }
+ gp_XYZ gc(0,0,0);
+ gc = accumulate( TXyzIterator( d2f->second->nodesIterator()),
+ TXyzIterator(), gc ) / d2f->second->NbNodes();
+ double d = point.SquareDistance( gc );
+ if ( d < minDistToGC )
+ {
+ minDistToGC = d;
+ closestElem = d2f->second;
+ }
+ }
+ // cout << "FindClosestTo( " <<point.X()<<", "<<point.Y()<<", "<<point.Z()<<" ) FACE "
+ // <<closestElem->GetID() << " DIST " << minDist << endl;
}
- return false;
}
- // Node or 0D element -------------------------------------------------------------------------
+ else
{
- gp_Vec n2p ( xyz[0], point );
- return n2p.Magnitude() <= tol;
+ // NOT IMPLEMENTED SO FAR
}
- return true;
+ return closestElem;
}
-//=======================================================================
-//function : SimplifyFace
-//purpose :
-//=======================================================================
-int SMESH_MeshEditor::SimplifyFace (const vector<const SMDS_MeshNode *> faceNodes,
- vector<const SMDS_MeshNode *>& poly_nodes,
- vector<int>& quantities) const
-{
- int nbNodes = faceNodes.size();
- if (nbNodes < 3)
- return 0;
+//================================================================================
+/*!
+ * \brief Classify the given point in the closed 2D mesh
+ */
+//================================================================================
- set<const SMDS_MeshNode*> nodeSet;
+TopAbs_State SMESH_ElementSearcherImpl::GetPointState(const gp_Pnt& point)
+{
+ double tolerance = getTolerance();
+ if ( !_ebbTree || _elementType != SMDSAbs_Face )
+ {
+ if ( _ebbTree ) delete _ebbTree;
+ _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = SMDSAbs_Face, _meshPartIt );
+ }
+ // Algo: analyse transition of a line starting at the point through mesh boundary;
+ // try three lines parallel to axis of the coordinate system and perform rough
+ // analysis. If solution is not clear perform thorough analysis.
+
+ const int nbAxes = 3;
+ gp_Dir axisDir[ nbAxes ] = { gp::DX(), gp::DY(), gp::DZ() };
+ map< double, TInters > paramOnLine2TInters[ nbAxes ];
+ list< TInters > tangentInters[ nbAxes ]; // of faces whose plane includes the line
+ multimap< int, int > nbInt2Axis; // to find the simplest case
+ for ( int axis = 0; axis < nbAxes; ++axis )
+ {
+ gp_Ax1 lineAxis( point, axisDir[axis]);
+ gp_Lin line ( lineAxis );
- // get simple seq of nodes
- //const SMDS_MeshNode* simpleNodes[ nbNodes ];
- vector<const SMDS_MeshNode*> simpleNodes( nbNodes );
- int iSimple = 0, nbUnique = 0;
+ TIDSortedElemSet suspectFaces; // faces possibly intersecting the line
+ _ebbTree->getElementsNearLine( lineAxis, suspectFaces );
- simpleNodes[iSimple++] = faceNodes[0];
- nbUnique++;
- for (int iCur = 1; iCur < nbNodes; iCur++) {
- if (faceNodes[iCur] != simpleNodes[iSimple - 1]) {
- simpleNodes[iSimple++] = faceNodes[iCur];
- if (nodeSet.insert( faceNodes[iCur] ).second)
- nbUnique++;
+ // Intersect faces with the line
+
+ map< double, TInters > & u2inters = paramOnLine2TInters[ axis ];
+ TIDSortedElemSet::iterator face = suspectFaces.begin();
+ for ( ; face != suspectFaces.end(); ++face )
+ {
+ // get face plane
+ gp_XYZ fNorm;
+ if ( !SMESH_Algo::FaceNormal( *face, fNorm, /*normalized=*/false)) continue;
+ gp_Pln facePlane( SMESH_TNodeXYZ( (*face)->GetNode(0)), fNorm );
+
+ // perform intersection
+ IntAna_IntConicQuad intersection( line, IntAna_Quadric( facePlane ));
+ if ( !intersection.IsDone() )
+ continue;
+ if ( intersection.IsInQuadric() )
+ {
+ tangentInters[ axis ].push_back( TInters( *face, fNorm, true ));
+ }
+ else if ( ! intersection.IsParallel() && intersection.NbPoints() > 0 )
+ {
+ gp_Pnt intersectionPoint = intersection.Point(1);
+ if ( !SMESH_MeshEditor::IsOut( *face, intersectionPoint, tolerance ))
+ u2inters.insert(make_pair( intersection.ParamOnConic(1), TInters( *face, fNorm )));
+ }
}
- }
- int nbSimple = iSimple;
- if (simpleNodes[nbSimple - 1] == simpleNodes[0]) {
- nbSimple--;
- iSimple--;
- }
+ // Analyse intersections roughly
- if (nbUnique < 3)
- return 0;
+ int nbInter = u2inters.size();
+ if ( nbInter == 0 )
+ return TopAbs_OUT;
- // separate loops
- int nbNew = 0;
- bool foundLoop = (nbSimple > nbUnique);
- while (foundLoop) {
- foundLoop = false;
- set<const SMDS_MeshNode*> loopSet;
- for (iSimple = 0; iSimple < nbSimple && !foundLoop; iSimple++) {
- const SMDS_MeshNode* n = simpleNodes[iSimple];
- if (!loopSet.insert( n ).second) {
- foundLoop = true;
+ double f = u2inters.begin()->first, l = u2inters.rbegin()->first;
+ if ( nbInter == 1 ) // not closed mesh
+ return fabs( f ) < tolerance ? TopAbs_ON : TopAbs_UNKNOWN;
- // separate loop
- int iC = 0, curLast = iSimple;
- for (; iC < curLast; iC++) {
- if (simpleNodes[iC] == n) break;
- }
- int loopLen = curLast - iC;
- if (loopLen > 2) {
- // create sub-element
- nbNew++;
- quantities.push_back(loopLen);
- for (; iC < curLast; iC++) {
- poly_nodes.push_back(simpleNodes[iC]);
- }
- }
- // shift the rest nodes (place from the first loop position)
- for (iC = curLast + 1; iC < nbSimple; iC++) {
- simpleNodes[iC - loopLen] = simpleNodes[iC];
- }
- nbSimple -= loopLen;
- iSimple -= loopLen;
- }
- } // for (iSimple = 0; iSimple < nbSimple; iSimple++)
- } // while (foundLoop)
+ if ( fabs( f ) < tolerance || fabs( l ) < tolerance )
+ return TopAbs_ON;
- if (iSimple > 2) {
- nbNew++;
- quantities.push_back(iSimple);
- for (int i = 0; i < iSimple; i++)
- poly_nodes.push_back(simpleNodes[i]);
+ if ( (f<0) == (l<0) )
+ return TopAbs_OUT;
+
+ int nbIntBeforePoint = std::distance( u2inters.begin(), u2inters.lower_bound(0));
+ int nbIntAfterPoint = nbInter - nbIntBeforePoint;
+ if ( nbIntBeforePoint == 1 || nbIntAfterPoint == 1 )
+ return TopAbs_IN;
+
+ nbInt2Axis.insert( make_pair( min( nbIntBeforePoint, nbIntAfterPoint ), axis ));
+
+ if ( _outerFacesFound ) break; // pass to thorough analysis
+
+ } // three attempts - loop on CS axes
+
+ // Analyse intersections thoroughly.
+ // We make two loops maximum, on the first one we only exclude touching intersections,
+ // on the second, if situation is still unclear, we gather and use information on
+ // position of faces (internal or outer). If faces position is already gathered,
+ // we make the second loop right away.
+
+ for ( int hasPositionInfo = _outerFacesFound; hasPositionInfo < 2; ++hasPositionInfo )
+ {
+ multimap< int, int >::const_iterator nb_axis = nbInt2Axis.begin();
+ for ( ; nb_axis != nbInt2Axis.end(); ++nb_axis )
+ {
+ int axis = nb_axis->second;
+ map< double, TInters > & u2inters = paramOnLine2TInters[ axis ];
+
+ gp_Ax1 lineAxis( point, axisDir[axis]);
+ gp_Lin line ( lineAxis );
+
+ // add tangent intersections to u2inters
+ double param;
+ list< TInters >::const_iterator tgtInt = tangentInters[ axis ].begin();
+ for ( ; tgtInt != tangentInters[ axis ].end(); ++tgtInt )
+ if ( getIntersParamOnLine( line, tgtInt->_face, tolerance, param ))
+ u2inters.insert(make_pair( param, *tgtInt ));
+ tangentInters[ axis ].clear();
+
+ // Count intersections before and after the point excluding touching ones.
+ // If hasPositionInfo we count intersections of outer boundary only
+
+ int nbIntBeforePoint = 0, nbIntAfterPoint = 0;
+ double f = numeric_limits<double>::max(), l = -numeric_limits<double>::max();
+ map< double, TInters >::iterator u_int1 = u2inters.begin(), u_int2 = u_int1;
+ bool ok = ! u_int1->second._coincides;
+ while ( ok && u_int1 != u2inters.end() )
+ {
+ double u = u_int1->first;
+ bool touchingInt = false;
+ if ( ++u_int2 != u2inters.end() )
+ {
+ // skip intersections at the same point (if the line passes through edge or node)
+ int nbSamePnt = 0;
+ while ( u_int2 != u2inters.end() && fabs( u_int2->first - u ) < tolerance )
+ {
+ ++nbSamePnt;
+ ++u_int2;
+ }
+
+ // skip tangent intersections
+ int nbTgt = 0;
+ const SMDS_MeshElement* prevFace = u_int1->second._face;
+ while ( ok && u_int2->second._coincides )
+ {
+ if ( SMESH_Algo::GetCommonNodes(prevFace , u_int2->second._face).empty() )
+ ok = false;
+ else
+ {
+ nbTgt++;
+ u_int2++;
+ ok = ( u_int2 != u2inters.end() );
+ }
+ }
+ if ( !ok ) break;
+
+ // skip intersections at the same point after tangent intersections
+ if ( nbTgt > 0 )
+ {
+ double u2 = u_int2->first;
+ ++u_int2;
+ while ( u_int2 != u2inters.end() && fabs( u_int2->first - u2 ) < tolerance )
+ {
+ ++nbSamePnt;
+ ++u_int2;
+ }
+ }
+ // decide if we skipped a touching intersection
+ if ( nbSamePnt + nbTgt > 0 )
+ {
+ double minDot = numeric_limits<double>::max(), maxDot = -numeric_limits<double>::max();
+ map< double, TInters >::iterator u_int = u_int1;
+ for ( ; u_int != u_int2; ++u_int )
+ {
+ if ( u_int->second._coincides ) continue;
+ double dot = u_int->second._faceNorm * line.Direction();
+ if ( dot > maxDot ) maxDot = dot;
+ if ( dot < minDot ) minDot = dot;
+ }
+ touchingInt = ( minDot*maxDot < 0 );
+ }
+ }
+ if ( !touchingInt )
+ {
+ if ( !hasPositionInfo || isOuterBoundary( u_int1->second._face ))
+ {
+ if ( u < 0 )
+ ++nbIntBeforePoint;
+ else
+ ++nbIntAfterPoint;
+ }
+ if ( u < f ) f = u;
+ if ( u > l ) l = u;
+ }
+
+ u_int1 = u_int2; // to next intersection
+
+ } // loop on intersections with one line
+
+ if ( ok )
+ {
+ if ( fabs( f ) < tolerance || fabs( l ) < tolerance )
+ return TopAbs_ON;
+
+ if ( nbIntBeforePoint == 0 || nbIntAfterPoint == 0)
+ return TopAbs_OUT;
+
+ if ( nbIntBeforePoint + nbIntAfterPoint == 1 ) // not closed mesh
+ return fabs( f ) < tolerance ? TopAbs_ON : TopAbs_UNKNOWN;
+
+ if ( nbIntBeforePoint == 1 || nbIntAfterPoint == 1 )
+ return TopAbs_IN;
+
+ if ( (f<0) == (l<0) )
+ return TopAbs_OUT;
+
+ if ( hasPositionInfo )
+ return nbIntBeforePoint % 2 ? TopAbs_IN : TopAbs_OUT;
+ }
+ } // loop on intersections of the tree lines - thorough analysis
+
+ if ( !hasPositionInfo )
+ {
+ // gather info on faces position - is face in the outer boundary or not
+ map< double, TInters > & u2inters = paramOnLine2TInters[ 0 ];
+ findOuterBoundary( u2inters.begin()->second._face );
+ }
+
+ } // two attempts - with and w/o faces position info in the mesh
+
+ return TopAbs_UNKNOWN;
+}
+
+//=======================================================================
+/*!
+ * \brief Return elements possibly intersecting the line
+ */
+//=======================================================================
+
+void SMESH_ElementSearcherImpl::GetElementsNearLine( const gp_Ax1& line,
+ SMDSAbs_ElementType type,
+ vector< const SMDS_MeshElement* >& foundElems)
+{
+ if ( !_ebbTree || _elementType != type )
+ {
+ if ( _ebbTree ) delete _ebbTree;
+ _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = type, _meshPartIt );
}
+ TIDSortedElemSet suspectFaces; // elements possibly intersecting the line
+ _ebbTree->getElementsNearLine( line, suspectFaces );
+ foundElems.assign( suspectFaces.begin(), suspectFaces.end());
+}
- return nbNew;
+//=======================================================================
+/*!
+ * \brief Return SMESH_ElementSearcher
+ */
+//=======================================================================
+
+SMESH_ElementSearcher* SMESH_MeshEditor::GetElementSearcher()
+{
+ return new SMESH_ElementSearcherImpl( *GetMeshDS() );
}
//=======================================================================
-//function : MergeNodes
-//purpose : In each group, the cdr of nodes are substituted by the first one
-// in all elements.
+/*!
+ * \brief Return SMESH_ElementSearcher acting on a sub-set of elements
+ */
//=======================================================================
-void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
+SMESH_ElementSearcher* SMESH_MeshEditor::GetElementSearcher(SMDS_ElemIteratorPtr elemIt)
{
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
+ return new SMESH_ElementSearcherImpl( *GetMeshDS(), elemIt );
+}
- SMESHDS_Mesh* aMesh = GetMeshDS();
+//=======================================================================
+/*!
+ * \brief Return true if the point is IN or ON of the element
+ */
+//=======================================================================
- TNodeNodeMap nodeNodeMap; // node to replace - new node
- set<const SMDS_MeshElement*> elems; // all elements with changed nodes
- list< int > rmElemIds, rmNodeIds;
+bool SMESH_MeshEditor::IsOut( const SMDS_MeshElement* element, const gp_Pnt& point, double tol )
+{
+ if ( element->GetType() == SMDSAbs_Volume)
+ {
+ return SMDS_VolumeTool( element ).IsOut( point.X(), point.Y(), point.Z(), tol );
+ }
- // Fill nodeNodeMap and elems
+ // get ordered nodes
- TListOfListOfNodes::iterator grIt = theGroupsOfNodes.begin();
- for ( ; grIt != theGroupsOfNodes.end(); grIt++ ) {
- list<const SMDS_MeshNode*>& nodes = *grIt;
- list<const SMDS_MeshNode*>::iterator nIt = nodes.begin();
- const SMDS_MeshNode* nToKeep = *nIt;
- for ( ++nIt; nIt != nodes.end(); nIt++ ) {
- const SMDS_MeshNode* nToRemove = *nIt;
- nodeNodeMap.insert( TNodeNodeMap::value_type( nToRemove, nToKeep ));
- if ( nToRemove != nToKeep ) {
- rmNodeIds.push_back( nToRemove->GetID() );
- AddToSameGroups( nToKeep, nToRemove, aMesh );
- }
+ vector< gp_XYZ > xyz;
+ vector<const SMDS_MeshNode*> nodeList;
- SMDS_ElemIteratorPtr invElemIt = nToRemove->GetInverseElementIterator();
- while ( invElemIt->more() ) {
- const SMDS_MeshElement* elem = invElemIt->next();
- elems.insert(elem);
- }
- }
+ SMDS_ElemIteratorPtr nodeIt = element->nodesIterator();
+ if ( element->IsQuadratic() ) {
+ if (const SMDS_VtkFace* f=dynamic_cast<const SMDS_VtkFace*>(element))
+ nodeIt = f->interlacedNodesElemIterator();
+ else if (const SMDS_VtkEdge* e =dynamic_cast<const SMDS_VtkEdge*>(element))
+ nodeIt = e->interlacedNodesElemIterator();
}
- // Change element nodes or remove an element
+ while ( nodeIt->more() )
+ {
+ const SMDS_MeshNode* node = cast2Node( nodeIt->next() );
+ xyz.push_back( SMESH_TNodeXYZ(node) );
+ nodeList.push_back(node);
+ }
- set<const SMDS_MeshElement*>::iterator eIt = elems.begin();
- for ( ; eIt != elems.end(); eIt++ ) {
- const SMDS_MeshElement* elem = *eIt;
- int nbNodes = elem->NbNodes();
- int aShapeId = FindShape( elem );
+ int i, nbNodes = element->NbNodes();
- set<const SMDS_MeshNode*> nodeSet;
- vector< const SMDS_MeshNode*> curNodes( nbNodes ), uniqueNodes( nbNodes );
- int iUnique = 0, iCur = 0, nbRepl = 0;
- vector<int> iRepl( nbNodes );
+ if ( element->GetType() == SMDSAbs_Face ) // --------------------------------------------------
+ {
+ // compute face normal
+ gp_Vec faceNorm(0,0,0);
+ xyz.push_back( xyz.front() );
+ nodeList.push_back( nodeList.front() );
+ for ( i = 0; i < nbNodes; ++i )
+ {
+ gp_Vec edge1( xyz[i+1], xyz[i]);
+ gp_Vec edge2( xyz[i+1], xyz[(i+2)%nbNodes] );
+ faceNorm += edge1 ^ edge2;
+ }
+ double normSize = faceNorm.Magnitude();
+ if ( normSize <= tol )
+ {
+ // degenerated face: point is out if it is out of all face edges
+ for ( i = 0; i < nbNodes; ++i )
+ {
+ SMDS_LinearEdge edge( nodeList[i], nodeList[i+1] );
+ if ( !IsOut( &edge, point, tol ))
+ return false;
+ }
+ return true;
+ }
+ faceNorm /= normSize;
- // get new seq of nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
- const SMDS_MeshNode* n =
- static_cast<const SMDS_MeshNode*>( itN->next() );
+ // check if the point lays on face plane
+ gp_Vec n2p( xyz[0], point );
+ if ( fabs( n2p * faceNorm ) > tol )
+ return true; // not on face plane
- TNodeNodeMap::iterator nnIt = nodeNodeMap.find( n );
- if ( nnIt != nodeNodeMap.end() ) { // n sticks
- n = (*nnIt).second;
- // BUG 0020185: begin
+ // check if point is out of face boundary:
+ // define it by closest transition of a ray point->infinity through face boundary
+ // on the face plane.
+ // First, find normal of a plane perpendicular to face plane, to be used as a cutting tool
+ // to find intersections of the ray with the boundary.
+ gp_Vec ray = n2p;
+ gp_Vec plnNorm = ray ^ faceNorm;
+ normSize = plnNorm.Magnitude();
+ if ( normSize <= tol ) return false; // point coincides with the first node
+ plnNorm /= normSize;
+ // for each node of the face, compute its signed distance to the plane
+ vector<double> dist( nbNodes + 1);
+ for ( i = 0; i < nbNodes; ++i )
+ {
+ gp_Vec n2p( xyz[i], point );
+ dist[i] = n2p * plnNorm;
+ }
+ dist.back() = dist.front();
+ // find the closest intersection
+ int iClosest = -1;
+ double rClosest, distClosest = 1e100;;
+ gp_Pnt pClosest;
+ for ( i = 0; i < nbNodes; ++i )
+ {
+ double r;
+ if ( fabs( dist[i]) < tol )
+ r = 0.;
+ else if ( fabs( dist[i+1]) < tol )
+ r = 1.;
+ else if ( dist[i] * dist[i+1] < 0 )
+ r = dist[i] / ( dist[i] - dist[i+1] );
+ else
+ continue; // no intersection
+ gp_Pnt pInt = xyz[i] * (1.-r) + xyz[i+1] * r;
+ gp_Vec p2int ( point, pInt);
+ if ( p2int * ray > -tol ) // right half-space
+ {
+ double intDist = p2int.SquareMagnitude();
+ if ( intDist < distClosest )
{
- bool stopRecur = false;
- set<const SMDS_MeshNode*> nodesRecur;
- nodesRecur.insert(n);
- while (!stopRecur) {
- TNodeNodeMap::iterator nnIt_i = nodeNodeMap.find( n );
- if ( nnIt_i != nodeNodeMap.end() ) { // n sticks
- n = (*nnIt_i).second;
- if (!nodesRecur.insert(n).second) {
- // error: recursive dependancy
- stopRecur = true;
- }
- }
- else
- stopRecur = true;
- }
+ iClosest = i;
+ rClosest = r;
+ pClosest = pInt;
+ distClosest = intDist;
}
- // BUG 0020185: end
- iRepl[ nbRepl++ ] = iCur;
}
- curNodes[ iCur ] = n;
- bool isUnique = nodeSet.insert( n ).second;
- if ( isUnique )
- uniqueNodes[ iUnique++ ] = n;
- iCur++;
}
+ if ( iClosest < 0 )
+ return true; // no intesections - out
- // Analyse element topology after replacement
+ // analyse transition
+ gp_Vec edge( xyz[iClosest], xyz[iClosest+1] );
+ gp_Vec edgeNorm = -( edge ^ faceNorm ); // normal to intersected edge pointing out of face
+ gp_Vec p2int ( point, pClosest );
+ bool out = (edgeNorm * p2int) < -tol;
+ if ( rClosest > 0. && rClosest < 1. ) // not node intersection
+ return out;
- bool isOk = true;
- int nbUniqueNodes = nodeSet.size();
- if ( nbNodes != nbUniqueNodes ) { // some nodes stick
- // Polygons and Polyhedral volumes
- if (elem->IsPoly()) {
+ // ray pass through a face node; analyze transition through an adjacent edge
+ gp_Pnt p1 = xyz[ (rClosest == 0.) ? ((iClosest+nbNodes-1) % nbNodes) : (iClosest+1) ];
+ gp_Pnt p2 = xyz[ (rClosest == 0.) ? iClosest : ((iClosest+2) % nbNodes) ];
+ gp_Vec edgeAdjacent( p1, p2 );
+ gp_Vec edgeNorm2 = -( edgeAdjacent ^ faceNorm );
+ bool out2 = (edgeNorm2 * p2int) < -tol;
- if (elem->GetType() == SMDSAbs_Face) {
- // Polygon
- vector<const SMDS_MeshNode *> face_nodes (nbNodes);
- int inode = 0;
- for (; inode < nbNodes; inode++) {
- face_nodes[inode] = curNodes[inode];
- }
+ bool covexCorner = ( edgeNorm * edgeAdjacent * (rClosest==1. ? 1. : -1.)) < 0;
+ return covexCorner ? (out || out2) : (out && out2);
+ }
+ if ( element->GetType() == SMDSAbs_Edge ) // --------------------------------------------------
+ {
+ // point is out of edge if it is NOT ON any straight part of edge
+ // (we consider quadratic edge as being composed of two straight parts)
+ for ( i = 1; i < nbNodes; ++i )
+ {
+ gp_Vec edge( xyz[i-1], xyz[i]);
+ gp_Vec n1p ( xyz[i-1], point);
+ double dist = ( edge ^ n1p ).Magnitude() / edge.Magnitude();
+ if ( dist > tol )
+ continue;
+ gp_Vec n2p( xyz[i], point );
+ if ( fabs( edge.Magnitude() - n1p.Magnitude() - n2p.Magnitude()) > tol )
+ continue;
+ return false; // point is ON this part
+ }
+ return true;
+ }
+ // Node or 0D element -------------------------------------------------------------------------
+ {
+ gp_Vec n2p ( xyz[0], point );
+ return n2p.Magnitude() <= tol;
+ }
+ return true;
+}
- vector<const SMDS_MeshNode *> polygons_nodes;
- vector<int> quantities;
- int nbNew = SimplifyFace(face_nodes, polygons_nodes, quantities);
+//=======================================================================
- if (nbNew > 0) {
- inode = 0;
- for (int iface = 0; iface < nbNew - 1; iface++) {
- int nbNodes = quantities[iface];
- vector<const SMDS_MeshNode *> poly_nodes (nbNodes);
- for (int ii = 0; ii < nbNodes; ii++, inode++) {
- poly_nodes[ii] = polygons_nodes[inode];
- }
- SMDS_MeshElement* newElem = aMesh->AddPolygonalFace(poly_nodes);
- myLastCreatedElems.Append(newElem);
- if (aShapeId)
- aMesh->SetMeshElementOnShape(newElem, aShapeId);
- }
- aMesh->ChangeElementNodes(elem, &polygons_nodes[inode], quantities[nbNew - 1]);
- }
- else {
- rmElemIds.push_back(elem->GetID());
- }
+namespace
+{
+ // Position of a point relative to a segment
+ // . .
+ // . LEFT .
+ // . .
+ // VERTEX 1 o----ON-----> VERTEX 2
+ // . .
+ // . RIGHT .
+ // . .
+ enum PositionName { POS_LEFT = 1, POS_VERTEX = 2, POS_RIGHT = 4, //POS_ON = 8,
+ POS_ALL = POS_LEFT | POS_RIGHT | POS_VERTEX };
+ struct PointPos
+ {
+ PositionName _name;
+ int _index; // index of vertex or segment
- }
- else if (elem->GetType() == SMDSAbs_Volume) {
- // Polyhedral volume
- if (nbUniqueNodes < 4) {
- rmElemIds.push_back(elem->GetID());
- }
- else {
- // each face has to be analized in order to check volume validity
- const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
- static_cast<const SMDS_PolyhedralVolumeOfNodes*>( elem );
- if (aPolyedre) {
- int nbFaces = aPolyedre->NbFaces();
+ PointPos( PositionName n, int i=-1 ): _name(n), _index(i) {}
+ bool operator < (const PointPos& other ) const
+ {
+ if ( _name == other._name )
+ return ( _index < 0 || other._index < 0 ) ? false : _index < other._index;
+ return _name < other._name;
+ }
+ };
- vector<const SMDS_MeshNode *> poly_nodes;
- vector<int> quantities;
+ //================================================================================
+ /*!
+ * \brief Return of a point relative to a segment
+ * \param point2D - the point to analyze position of
+ * \param xyVec - end points of segments
+ * \param index0 - 0-based index of the first point of segment
+ * \param posToFindOut - flags of positions to detect
+ * \retval PointPos - point position
+ */
+ //================================================================================
- for (int iface = 1; iface <= nbFaces; iface++) {
- int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
- vector<const SMDS_MeshNode *> faceNodes (nbFaceNodes);
+ PointPos getPointPosition( const gp_XY& point2D,
+ const gp_XY* segEnds,
+ const int index0 = 0,
+ const int posToFindOut = POS_ALL)
+ {
+ const gp_XY& p1 = segEnds[ index0 ];
+ const gp_XY& p2 = segEnds[ index0+1 ];
+ const gp_XY grad = p2 - p1;
+
+ if ( posToFindOut & POS_VERTEX )
+ {
+ // check if the point2D is at "vertex 1" zone
+ gp_XY pp1[2] = { p1, gp_XY( p1.X() - grad.Y(),
+ p1.Y() + grad.X() ) };
+ if ( getPointPosition( point2D, pp1, 0, POS_LEFT|POS_RIGHT )._name == POS_LEFT )
+ return PointPos( POS_VERTEX, index0 );
+
+ // check if the point2D is at "vertex 2" zone
+ gp_XY pp2[2] = { p2, gp_XY( p2.X() - grad.Y(),
+ p2.Y() + grad.X() ) };
+ if ( getPointPosition( point2D, pp2, 0, POS_LEFT|POS_RIGHT )._name == POS_RIGHT )
+ return PointPos( POS_VERTEX, index0 + 1);
+ }
+ double edgeEquation =
+ ( point2D.X() - p1.X() ) * grad.Y() - ( point2D.Y() - p1.Y() ) * grad.X();
+ return PointPos( edgeEquation < 0 ? POS_LEFT : POS_RIGHT, index0 );
+ }
+}
+
+//=======================================================================
+/*!
+ * \brief Return minimal distance from a point to a face
+ *
+ * Currently we ignore non-planarity and 2nd order of face
+ */
+//=======================================================================
+
+double SMESH_MeshEditor::GetDistance( const SMDS_MeshFace* face,
+ const gp_Pnt& point )
+{
+ double badDistance = -1;
+ if ( !face ) return badDistance;
+
+ // coordinates of nodes (medium nodes, if any, ignored)
+ typedef SMDS_StdIterator< SMESH_TNodeXYZ, SMDS_ElemIteratorPtr > TXyzIterator;
+ vector<gp_XYZ> xyz( TXyzIterator( face->nodesIterator()), TXyzIterator() );
+ xyz.resize( face->NbCornerNodes()+1 );
+
+ // transformation to get xyz[0] lies on the origin, xyz[1] lies on the Z axis,
+ // and xyz[2] lies in the XZ plane. This is to pass to 2D space on XZ plane.
+ gp_Trsf trsf;
+ gp_Vec OZ ( xyz[0], xyz[1] );
+ gp_Vec OX ( xyz[0], xyz[2] );
+ if ( OZ.Magnitude() < std::numeric_limits<double>::min() )
+ {
+ if ( xyz.size() < 4 ) return badDistance;
+ OZ = gp_Vec ( xyz[0], xyz[2] );
+ OX = gp_Vec ( xyz[0], xyz[3] );
+ }
+ gp_Ax3 tgtCS;
+ try {
+ tgtCS = gp_Ax3( xyz[0], OZ, OX );
+ }
+ catch ( Standard_Failure ) {
+ return badDistance;
+ }
+ trsf.SetTransformation( tgtCS );
+
+ // move all the nodes to 2D
+ vector<gp_XY> xy( xyz.size() );
+ for ( size_t i = 0;i < xyz.size()-1; ++i )
+ {
+ gp_XYZ p3d = xyz[i];
+ trsf.Transforms( p3d );
+ xy[i].SetCoord( p3d.X(), p3d.Z() );
+ }
+ xyz.back() = xyz.front();
+ xy.back() = xy.front();
+
+ // // move the point in 2D
+ gp_XYZ tmpPnt = point.XYZ();
+ trsf.Transforms( tmpPnt );
+ gp_XY point2D( tmpPnt.X(), tmpPnt.Z() );
+
+ // loop on segments of the face to analyze point position ralative to the face
+ set< PointPos > pntPosSet;
+ for ( size_t i = 1; i < xy.size(); ++i )
+ {
+ PointPos pos = getPointPosition( point2D, &xy[0], i-1 );
+ pntPosSet.insert( pos );
+ }
+
+ // compute distance
+ PointPos pos = *pntPosSet.begin();
+ // cout << "Face " << face->GetID() << " DIST: ";
+ switch ( pos._name )
+ {
+ case POS_LEFT: {
+ // point is most close to a segment
+ gp_Vec p0p1( point, xyz[ pos._index ] );
+ gp_Vec p1p2( xyz[ pos._index ], xyz[ pos._index+1 ]); // segment vector
+ p1p2.Normalize();
+ double projDist = p0p1 * p1p2; // distance projected to the segment
+ gp_Vec projVec = p1p2 * projDist;
+ gp_Vec distVec = p0p1 - projVec;
+ // cout << distVec.Magnitude() << ", SEG " << face->GetNode(pos._index)->GetID()
+ // << " - " << face->GetNodeWrap(pos._index+1)->GetID() << endl;
+ return distVec.Magnitude();
+ }
+ case POS_RIGHT: {
+ // point is inside the face
+ double distToFacePlane = tmpPnt.Y();
+ // cout << distToFacePlane << ", INSIDE " << endl;
+ return Abs( distToFacePlane );
+ }
+ case POS_VERTEX: {
+ // point is most close to a node
+ gp_Vec distVec( point, xyz[ pos._index ]);
+ // cout << distVec.Magnitude() << " VERTEX " << face->GetNode(pos._index)->GetID() << endl;
+ return distVec.Magnitude();
+ }
+ }
+ return badDistance;
+}
+
+//=======================================================================
+//function : SimplifyFace
+//purpose :
+//=======================================================================
+int SMESH_MeshEditor::SimplifyFace (const vector<const SMDS_MeshNode *> faceNodes,
+ vector<const SMDS_MeshNode *>& poly_nodes,
+ vector<int>& quantities) const
+{
+ int nbNodes = faceNodes.size();
+
+ if (nbNodes < 3)
+ return 0;
+
+ set<const SMDS_MeshNode*> nodeSet;
+
+ // get simple seq of nodes
+ //const SMDS_MeshNode* simpleNodes[ nbNodes ];
+ vector<const SMDS_MeshNode*> simpleNodes( nbNodes );
+ int iSimple = 0, nbUnique = 0;
+
+ simpleNodes[iSimple++] = faceNodes[0];
+ nbUnique++;
+ for (int iCur = 1; iCur < nbNodes; iCur++) {
+ if (faceNodes[iCur] != simpleNodes[iSimple - 1]) {
+ simpleNodes[iSimple++] = faceNodes[iCur];
+ if (nodeSet.insert( faceNodes[iCur] ).second)
+ nbUnique++;
+ }
+ }
+ int nbSimple = iSimple;
+ if (simpleNodes[nbSimple - 1] == simpleNodes[0]) {
+ nbSimple--;
+ iSimple--;
+ }
+
+ if (nbUnique < 3)
+ return 0;
+
+ // separate loops
+ int nbNew = 0;
+ bool foundLoop = (nbSimple > nbUnique);
+ while (foundLoop) {
+ foundLoop = false;
+ set<const SMDS_MeshNode*> loopSet;
+ for (iSimple = 0; iSimple < nbSimple && !foundLoop; iSimple++) {
+ const SMDS_MeshNode* n = simpleNodes[iSimple];
+ if (!loopSet.insert( n ).second) {
+ foundLoop = true;
+
+ // separate loop
+ int iC = 0, curLast = iSimple;
+ for (; iC < curLast; iC++) {
+ if (simpleNodes[iC] == n) break;
+ }
+ int loopLen = curLast - iC;
+ if (loopLen > 2) {
+ // create sub-element
+ nbNew++;
+ quantities.push_back(loopLen);
+ for (; iC < curLast; iC++) {
+ poly_nodes.push_back(simpleNodes[iC]);
+ }
+ }
+ // shift the rest nodes (place from the first loop position)
+ for (iC = curLast + 1; iC < nbSimple; iC++) {
+ simpleNodes[iC - loopLen] = simpleNodes[iC];
+ }
+ nbSimple -= loopLen;
+ iSimple -= loopLen;
+ }
+ } // for (iSimple = 0; iSimple < nbSimple; iSimple++)
+ } // while (foundLoop)
+
+ if (iSimple > 2) {
+ nbNew++;
+ quantities.push_back(iSimple);
+ for (int i = 0; i < iSimple; i++)
+ poly_nodes.push_back(simpleNodes[i]);
+ }
+
+ return nbNew;
+}
+
+//=======================================================================
+//function : MergeNodes
+//purpose : In each group, the cdr of nodes are substituted by the first one
+// in all elements.
+//=======================================================================
+
+void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes)
+{
+ MESSAGE("MergeNodes");
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ SMESHDS_Mesh* aMesh = GetMeshDS();
+
+ TNodeNodeMap nodeNodeMap; // node to replace - new node
+ set<const SMDS_MeshElement*> elems; // all elements with changed nodes
+ list< int > rmElemIds, rmNodeIds;
+
+ // Fill nodeNodeMap and elems
+
+ TListOfListOfNodes::iterator grIt = theGroupsOfNodes.begin();
+ for ( ; grIt != theGroupsOfNodes.end(); grIt++ ) {
+ list<const SMDS_MeshNode*>& nodes = *grIt;
+ list<const SMDS_MeshNode*>::iterator nIt = nodes.begin();
+ const SMDS_MeshNode* nToKeep = *nIt;
+ //MESSAGE("node to keep " << nToKeep->GetID());
+ for ( ++nIt; nIt != nodes.end(); nIt++ ) {
+ const SMDS_MeshNode* nToRemove = *nIt;
+ nodeNodeMap.insert( TNodeNodeMap::value_type( nToRemove, nToKeep ));
+ if ( nToRemove != nToKeep ) {
+ //MESSAGE(" node to remove " << nToRemove->GetID());
+ rmNodeIds.push_back( nToRemove->GetID() );
+ AddToSameGroups( nToKeep, nToRemove, aMesh );
+ }
+
+ SMDS_ElemIteratorPtr invElemIt = nToRemove->GetInverseElementIterator();
+ while ( invElemIt->more() ) {
+ const SMDS_MeshElement* elem = invElemIt->next();
+ elems.insert(elem);
+ }
+ }
+ }
+ // Change element nodes or remove an element
+
+ set<const SMDS_MeshElement*>::iterator eIt = elems.begin();
+ for ( ; eIt != elems.end(); eIt++ ) {
+ const SMDS_MeshElement* elem = *eIt;
+ //MESSAGE(" ---- inverse elem on node to remove " << elem->GetID());
+ int nbNodes = elem->NbNodes();
+ int aShapeId = FindShape( elem );
+
+ set<const SMDS_MeshNode*> nodeSet;
+ vector< const SMDS_MeshNode*> curNodes( nbNodes ), uniqueNodes( nbNodes );
+ int iUnique = 0, iCur = 0, nbRepl = 0;
+ vector<int> iRepl( nbNodes );
+
+ // get new seq of nodes
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() ) {
+ const SMDS_MeshNode* n =
+ static_cast<const SMDS_MeshNode*>( itN->next() );
+
+ TNodeNodeMap::iterator nnIt = nodeNodeMap.find( n );
+ if ( nnIt != nodeNodeMap.end() ) { // n sticks
+ n = (*nnIt).second;
+ // BUG 0020185: begin
+ {
+ bool stopRecur = false;
+ set<const SMDS_MeshNode*> nodesRecur;
+ nodesRecur.insert(n);
+ while (!stopRecur) {
+ TNodeNodeMap::iterator nnIt_i = nodeNodeMap.find( n );
+ if ( nnIt_i != nodeNodeMap.end() ) { // n sticks
+ n = (*nnIt_i).second;
+ if (!nodesRecur.insert(n).second) {
+ // error: recursive dependancy
+ stopRecur = true;
+ }
+ }
+ else
+ stopRecur = true;
+ }
+ }
+ // BUG 0020185: end
+ }
+ curNodes[ iCur ] = n;
+ bool isUnique = nodeSet.insert( n ).second;
+ if ( isUnique )
+ uniqueNodes[ iUnique++ ] = n;
+ else
+ iRepl[ nbRepl++ ] = iCur;
+ iCur++;
+ }
+
+ // Analyse element topology after replacement
+
+ bool isOk = true;
+ int nbUniqueNodes = nodeSet.size();
+ //MESSAGE("nbNodes nbUniqueNodes " << nbNodes << " " << nbUniqueNodes);
+ if ( nbNodes != nbUniqueNodes ) { // some nodes stick
+ // Polygons and Polyhedral volumes
+ if (elem->IsPoly()) {
+
+ if (elem->GetType() == SMDSAbs_Face) {
+ // Polygon
+ vector<const SMDS_MeshNode *> face_nodes (nbNodes);
+ int inode = 0;
+ for (; inode < nbNodes; inode++) {
+ face_nodes[inode] = curNodes[inode];
+ }
+
+ vector<const SMDS_MeshNode *> polygons_nodes;
+ vector<int> quantities;
+ int nbNew = SimplifyFace(face_nodes, polygons_nodes, quantities);
+ if (nbNew > 0) {
+ inode = 0;
+ for (int iface = 0; iface < nbNew; iface++) {
+ int nbNodes = quantities[iface];
+ vector<const SMDS_MeshNode *> poly_nodes (nbNodes);
+ for (int ii = 0; ii < nbNodes; ii++, inode++) {
+ poly_nodes[ii] = polygons_nodes[inode];
+ }
+ SMDS_MeshElement* newElem = aMesh->AddPolygonalFace(poly_nodes);
+ myLastCreatedElems.Append(newElem);
+ if (aShapeId)
+ aMesh->SetMeshElementOnShape(newElem, aShapeId);
+ }
+
+ MESSAGE("ChangeElementNodes MergeNodes Polygon");
+ //aMesh->ChangeElementNodes(elem, &polygons_nodes[inode], quantities[nbNew - 1]);
+ vector<const SMDS_MeshNode *> polynodes(polygons_nodes.begin()+inode,polygons_nodes.end());
+ int quid =0;
+ if (nbNew > 0) quid = nbNew - 1;
+ vector<int> newquant(quantities.begin()+quid, quantities.end());
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddPolyhedralVolume(polynodes, newquant);
+ myLastCreatedElems.Append(newElem);
+ if ( aShapeId && newElem )
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ rmElemIds.push_back(elem->GetID());
+ }
+ else {
+ rmElemIds.push_back(elem->GetID());
+ }
+
+ }
+ else if (elem->GetType() == SMDSAbs_Volume) {
+ // Polyhedral volume
+ if (nbUniqueNodes < 4) {
+ rmElemIds.push_back(elem->GetID());
+ }
+ else {
+ // each face has to be analyzed in order to check volume validity
+ const SMDS_VtkVolume* aPolyedre =
+ dynamic_cast<const SMDS_VtkVolume*>( elem );
+ if (aPolyedre) {
+ int nbFaces = aPolyedre->NbFaces();
+
+ vector<const SMDS_MeshNode *> poly_nodes;
+ vector<int> quantities;
+
+ for (int iface = 1; iface <= nbFaces; iface++) {
+ int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
+ vector<const SMDS_MeshNode *> faceNodes (nbFaceNodes);
for (int inode = 1; inode <= nbFaceNodes; inode++) {
const SMDS_MeshNode * faceNode = aPolyedre->GetFaceNode(iface, inode);
}
if (quantities.size() > 3)
- aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
- else
- rmElemIds.push_back(elem->GetID());
-
+ {
+ MESSAGE("ChangeElementNodes MergeNodes Polyhedron");
+ //aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
+ const SMDS_MeshElement* newElem = 0;
+ newElem = aMesh->AddPolyhedralVolume(poly_nodes, quantities);
+ myLastCreatedElems.Append(newElem);
+ if ( aShapeId && newElem )
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ rmElemIds.push_back(elem->GetID());
+ }
}
else {
rmElemIds.push_back(elem->GetID());
}
continue;
- }
+ } // poly element
// Regular elements
+ // TODO not all the possible cases are solved. Find something more generic?
switch ( nbNodes ) {
case 2: ///////////////////////////////////// EDGE
isOk = false; break;
isOk = false;
else if ( nbRepl == 2 && iRepl[ 1 ] - iRepl[ 0 ] == 2 )
isOk = false; // opposite nodes stick
+ //MESSAGE("isOk " << isOk);
}
break;
case 6: ///////////////////////////////////// PENTAHEDRON
// +---+---+
// 0 7 3
isOk = false;
+ if(nbRepl==2) {
+ MESSAGE("nbRepl=2: " << iRepl[0] << " " << iRepl[1]);
+ }
if(nbRepl==3) {
+ MESSAGE("nbRepl=3: " << iRepl[0] << " " << iRepl[1] << " " << iRepl[2]);
nbUniqueNodes = 6;
if( iRepl[0]==0 && iRepl[1]==1 && iRepl[2]==4 ) {
uniqueNodes[0] = curNodes[0];
isOk = true;
}
}
+ if(nbRepl==4) {
+ MESSAGE("nbRepl=4: " << iRepl[0] << " " << iRepl[1] << " " << iRepl[2] << " " << iRepl[3]);
+ }
+ if(nbRepl==5) {
+ MESSAGE("nbRepl=5: " << iRepl[0] << " " << iRepl[1] << " " << iRepl[2] << " " << iRepl[3] << " " << iRepl[4]);
+ }
break;
}
//////////////////////////////////// HEXAHEDRON
isOk = false;
SMDS_VolumeTool hexa (elem);
hexa.SetExternalNormal();
- if ( nbUniqueNodes == 4 && nbRepl == 6 ) {
- //////////////////////// ---> tetrahedron
+ if ( nbUniqueNodes == 4 && nbRepl == 4 ) {
+ //////////////////////// HEX ---> 1 tetrahedron
for ( int iFace = 0; iFace < 6; iFace++ ) {
const int *ind = hexa.GetFaceNodesIndices( iFace ); // indices of face nodes
if (curNodes[ind[ 0 ]] == curNodes[ind[ 1 ]] &&
int iOppFace = hexa.GetOppFaceIndex( iFace );
ind = hexa.GetFaceNodesIndices( iOppFace );
int nbStick = 0;
- iUnique = 2; // reverse a tetrahedron bottom
for ( iCur = 0; iCur < 4 && nbStick < 2; iCur++ ) {
if ( curNodes[ind[ iCur ]] == curNodes[ind[ iCur + 1 ]] )
nbStick++;
- else if ( iUnique >= 0 )
- uniqueNodes[ iUnique-- ] = curNodes[ind[ iCur ]];
}
if ( nbStick == 1 ) {
// ... and the opposite one - into a triangle.
}
}
}
+ else if ( nbUniqueNodes == 6 && nbRepl == 2 ) {
+ //////////////////////// HEX ---> 1 prism
+ int nbTria = 0, iTria[3];
+ const int *ind; // indices of face nodes
+ // look for triangular faces
+ for ( int iFace = 0; iFace < 6 && nbTria < 3; iFace++ ) {
+ ind = hexa.GetFaceNodesIndices( iFace );
+ TIDSortedNodeSet faceNodes;
+ for ( iCur = 0; iCur < 4; iCur++ )
+ faceNodes.insert( curNodes[ind[iCur]] );
+ if ( faceNodes.size() == 3 )
+ iTria[ nbTria++ ] = iFace;
+ }
+ // check if triangles are opposite
+ if ( nbTria == 2 && iTria[0] == hexa.GetOppFaceIndex( iTria[1] ))
+ {
+ isOk = true;
+ // set nodes of the bottom triangle
+ ind = hexa.GetFaceNodesIndices( iTria[ 0 ]);
+ vector<int> indB;
+ for ( iCur = 0; iCur < 4; iCur++ )
+ if ( ind[iCur] != iRepl[0] && ind[iCur] != iRepl[1])
+ indB.push_back( ind[iCur] );
+ if ( !hexa.IsForward() )
+ std::swap( indB[0], indB[2] );
+ for ( iCur = 0; iCur < 3; iCur++ )
+ uniqueNodes[ iCur ] = curNodes[indB[iCur]];
+ // set nodes of the top triangle
+ const int *indT = hexa.GetFaceNodesIndices( iTria[ 1 ]);
+ for ( iCur = 0; iCur < 3; ++iCur )
+ for ( int j = 0; j < 4; ++j )
+ if ( hexa.IsLinked( indB[ iCur ], indT[ j ] ))
+ {
+ uniqueNodes[ iCur + 3 ] = curNodes[ indT[ j ]];
+ break;
+ }
+ }
+ break;
+ }
else if (nbUniqueNodes == 5 && nbRepl == 4 ) {
//////////////////// HEXAHEDRON ---> 2 tetrahedrons
for ( int iFace = 0; iFace < 6; iFace++ ) {
}
}
} // if ( nbUniqueNodes == 6 && nbRepl == 4 )
+ else
+ {
+ MESSAGE("MergeNodes() removes hexahedron "<< elem);
+ }
break;
} // HEXAHEDRON
} // if ( nbNodes != nbUniqueNodes ) // some nodes stick
- if ( isOk ) {
- if (elem->IsPoly() && elem->GetType() == SMDSAbs_Volume) {
+ if ( isOk ) { // the elem remains valid after sticking nodes
+ if (elem->IsPoly() && elem->GetType() == SMDSAbs_Volume)
+ {
// Change nodes of polyedre
- const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
- static_cast<const SMDS_PolyhedralVolumeOfNodes*>( elem );
+ const SMDS_VtkVolume* aPolyedre =
+ dynamic_cast<const SMDS_VtkVolume*>( elem );
if (aPolyedre) {
int nbFaces = aPolyedre->NbFaces();
aMesh->ChangePolyhedronNodes( elem, poly_nodes, quantities );
}
}
- else {
- // Change regular element or polygon
- aMesh->ChangeElementNodes( elem, & uniqueNodes[0], nbUniqueNodes );
+ else // replace non-polyhedron elements
+ {
+ const SMDSAbs_ElementType etyp = elem->GetType();
+ const int elemId = elem->GetID();
+ const bool isPoly = (elem->GetEntityType() == SMDSEntity_Polygon);
+ uniqueNodes.resize(nbUniqueNodes);
+
+ SMESHDS_SubMesh * sm = aShapeId > 0 ? aMesh->MeshElements(aShapeId) : 0;
+
+ aMesh->RemoveFreeElement(elem, sm, /*fromGroups=*/false);
+ SMDS_MeshElement* newElem = this->AddElement(uniqueNodes, etyp, isPoly, elemId);
+ if ( sm && newElem )
+ sm->AddElement( newElem );
+ if ( elem != newElem )
+ ReplaceElemInGroups( elem, newElem, aMesh );
}
}
else {
} // loop on elements
- // Remove equal nodes and bad elements
+ // Remove bad elements, then equal nodes (order important)
- Remove( rmNodeIds, true );
Remove( rmElemIds, false );
+ Remove( rmNodeIds, true );
}
//purpose : Return list of group of elements built on the same nodes.
// Search among theElements or in the whole mesh if theElements is empty
//=======================================================================
-void SMESH_MeshEditor::FindEqualElements(set<const SMDS_MeshElement*> & theElements,
- TListOfListOfElementsID & theGroupsOfElementsID)
+
+void SMESH_MeshEditor::FindEqualElements(TIDSortedElemSet & theElements,
+ TListOfListOfElementsID & theGroupsOfElementsID)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- typedef set<const SMDS_MeshElement*> TElemsSet;
typedef map< SortableElement, int > TMapOfNodeSet;
typedef list<int> TGroupOfElems;
- TElemsSet elems;
if ( theElements.empty() )
{ // get all elements in the mesh
SMDS_ElemIteratorPtr eIt = GetMeshDS()->elementsIterator();
while ( eIt->more() )
- elems.insert( elems.end(), eIt->next());
+ theElements.insert( theElements.end(), eIt->next());
}
- else
- elems = theElements;
vector< TGroupOfElems > arrayOfGroups;
TGroupOfElems groupOfElems;
TMapOfNodeSet mapOfNodeSet;
- TElemsSet::iterator elemIt = elems.begin();
- for ( int i = 0, j=0; elemIt != elems.end(); ++elemIt, ++j ) {
+ TIDSortedElemSet::iterator elemIt = theElements.begin();
+ for ( int i = 0, j=0; elemIt != theElements.end(); ++elemIt, ++j ) {
const SMDS_MeshElement* curElem = *elemIt;
SortableElement SE(curElem);
int ind = -1;
void SMESH_MeshEditor::MergeEqualElements()
{
- set<const SMDS_MeshElement*> aMeshElements; /* empty input -
- to merge equal elements in the whole mesh */
+ TIDSortedElemSet aMeshElements; /* empty input ==
+ to merge equal elements in the whole mesh */
TListOfListOfElementsID aGroupsOfElementsID;
FindEqualElements(aMeshElements, aGroupsOfElementsID);
MergeElements(aGroupsOfElementsID);
//purpose : Return a face having linked nodes n1 and n2 and which is
// - not in avoidSet,
// - in elemSet provided that !elemSet.empty()
+// i1 and i2 optionally returns indices of n1 and n2
//=======================================================================
const SMDS_MeshElement*
SMESH_MeshEditor::FindFaceInSet(const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
const TIDSortedElemSet& elemSet,
- const TIDSortedElemSet& avoidSet)
+ const TIDSortedElemSet& avoidSet,
+ int* n1ind,
+ int* n2ind)
{
+ int i1, i2;
+ const SMDS_MeshElement* face = 0;
+
SMDS_ElemIteratorPtr invElemIt = n1->GetInverseElementIterator(SMDSAbs_Face);
- while ( invElemIt->more() ) { // loop on inverse elements of n1
+ //MESSAGE("n1->GetInverseElementIterator(SMDSAbs_Face) " << invElemIt);
+ while ( invElemIt->more() && !face ) // loop on inverse faces of n1
+ {
+ //MESSAGE("in while ( invElemIt->more() && !face )");
const SMDS_MeshElement* elem = invElemIt->next();
- if (avoidSet.find( elem ) != avoidSet.end() )
+ if (avoidSet.count( elem ))
continue;
- if ( !elemSet.empty() && elemSet.find( elem ) == elemSet.end())
+ if ( !elemSet.empty() && !elemSet.count( elem ))
continue;
- // get face nodes and find index of n1
- int i1, nbN = elem->NbNodes(), iNode = 0;
- //const SMDS_MeshNode* faceNodes[ nbN ], *n;
- vector<const SMDS_MeshNode*> faceNodes( nbN );
- const SMDS_MeshNode* n;
- SMDS_ElemIteratorPtr nIt = elem->nodesIterator();
- while ( nIt->more() ) {
- faceNodes[ iNode ] = static_cast<const SMDS_MeshNode*>( nIt->next() );
- if ( faceNodes[ iNode++ ] == n1 )
- i1 = iNode - 1;
- }
+ // index of n1
+ i1 = elem->GetNodeIndex( n1 );
// find a n2 linked to n1
- if(!elem->IsQuadratic()) {
- for ( iNode = 0; iNode < 2; iNode++ ) {
- if ( iNode ) // node before n1
- n = faceNodes[ i1 == 0 ? nbN - 1 : i1 - 1 ];
- else // node after n1
- n = faceNodes[ i1 + 1 == nbN ? 0 : i1 + 1 ];
- if ( n == n2 )
- return elem;
- }
- }
- else { // analysis for quadratic elements
- bool IsFind = false;
- // check using only corner nodes
- for ( iNode = 0; iNode < 2; iNode++ ) {
- if ( iNode ) // node before n1
- n = faceNodes[ i1 == 0 ? nbN/2 - 1 : i1 - 1 ];
- else // node after n1
- n = faceNodes[ i1 + 1 == nbN/2 ? 0 : i1 + 1 ];
- if ( n == n2 )
- IsFind = true;
- }
- if(IsFind) {
- return elem;
- }
- else {
- // check using all nodes
- const SMDS_QuadraticFaceOfNodes* F =
- static_cast<const SMDS_QuadraticFaceOfNodes*>(elem);
- // use special nodes iterator
- iNode = 0;
- SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
- while ( anIter->more() ) {
- faceNodes[iNode] = static_cast<const SMDS_MeshNode*>(anIter->next());
- if ( faceNodes[ iNode++ ] == n1 )
- i1 = iNode - 1;
- }
- for ( iNode = 0; iNode < 2; iNode++ ) {
- if ( iNode ) // node before n1
- n = faceNodes[ i1 == 0 ? nbN - 1 : i1 - 1 ];
- else // node after n1
- n = faceNodes[ i1 + 1 == nbN ? 0 : i1 + 1 ];
- if ( n == n2 ) {
- return elem;
- }
+ int nbN = elem->IsQuadratic() ? elem->NbNodes()/2 : elem->NbNodes();
+ for ( int di = -1; di < 2 && !face; di += 2 )
+ {
+ i2 = (i1+di+nbN) % nbN;
+ if ( elem->GetNode( i2 ) == n2 )
+ face = elem;
+ }
+ if ( !face && elem->IsQuadratic())
+ {
+ // analysis for quadratic elements using all nodes
+ const SMDS_VtkFace* F =
+ dynamic_cast<const SMDS_VtkFace*>(elem);
+ if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
+ // use special nodes iterator
+ SMDS_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
+ const SMDS_MeshNode* prevN = cast2Node( anIter->next() );
+ for ( i1 = -1, i2 = 0; anIter->more() && !face; i1++, i2++ )
+ {
+ const SMDS_MeshNode* n = cast2Node( anIter->next() );
+ if ( n1 == prevN && n2 == n )
+ {
+ face = elem;
+ }
+ else if ( n2 == prevN && n1 == n )
+ {
+ face = elem; swap( i1, i2 );
}
+ prevN = n;
}
- } // end analysis for quadratic elements
+ }
}
- return 0;
+ if ( n1ind ) *n1ind = i1;
+ if ( n2ind ) *n2ind = i2;
+ return face;
}
//=======================================================================
vector<const SMDS_MeshNode*> nodes(nbNodes+1);
if(e->IsQuadratic()) {
- const SMDS_QuadraticFaceOfNodes* F =
- static_cast<const SMDS_QuadraticFaceOfNodes*>(e);
+ const SMDS_VtkFace* F =
+ dynamic_cast<const SMDS_VtkFace*>(e);
+ if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
// use special nodes iterator
- SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
+ SMDS_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
while( anIter->more() ) {
- nodes[ iNode++ ] = anIter->next();
+ nodes[ iNode++ ] = cast2Node(anIter->next());
}
}
else {
// links of the free border
// -------------------------------------------------------------------------
- // 1. Since sewing may brake if there are volumes to split on the side 2,
+ // 1. Since sewing may break if there are volumes to split on the side 2,
// we wont move nodes but just compute new coordinates for them
typedef map<const SMDS_MeshNode*, gp_XYZ> TNodeXYZMap;
TNodeXYZMap nBordXYZ;
else if ( elem->GetType()==SMDSAbs_Face ) { // --face
// retrieve all face nodes and find iPrevNode - an index of the prevSideNode
if(elem->IsQuadratic()) {
- const SMDS_QuadraticFaceOfNodes* F =
- static_cast<const SMDS_QuadraticFaceOfNodes*>(elem);
+ const SMDS_VtkFace* F =
+ dynamic_cast<const SMDS_VtkFace*>(elem);
+ if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
// use special nodes iterator
- SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
+ SMDS_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
while( anIter->more() ) {
- nodes[ iNode ] = anIter->next();
+ nodes[ iNode ] = cast2Node(anIter->next());
if ( nodes[ iNode++ ] == prevSideNode )
iPrevNode = iNode - 1;
}
vector<const SMDS_MeshNode*> nodes( theFace->NbNodes() );
if(theFace->IsQuadratic()) {
- const SMDS_QuadraticFaceOfNodes* F =
- static_cast<const SMDS_QuadraticFaceOfNodes*>(theFace);
+ const SMDS_VtkFace* F =
+ dynamic_cast<const SMDS_VtkFace*>(theFace);
+ if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
// use special nodes iterator
- SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
+ SMDS_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
while( anIter->more() ) {
- const SMDS_MeshNode* n = anIter->next();
+ const SMDS_MeshNode* n = cast2Node(anIter->next());
if ( n == theBetweenNode1 )
il1 = iNode;
else if ( n == theBetweenNode2 )
bool isFLN = false;
if(theFace->IsQuadratic()) {
- const SMDS_QuadraticFaceOfNodes* F =
- static_cast<const SMDS_QuadraticFaceOfNodes*>(theFace);
+ const SMDS_VtkFace* F =
+ dynamic_cast<const SMDS_VtkFace*>(theFace);
+ if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
// use special nodes iterator
- SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
+ SMDS_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
while( anIter->more() && !isFLN ) {
- const SMDS_MeshNode* n = anIter->next();
+ const SMDS_MeshNode* n = cast2Node(anIter->next());
poly_nodes[iNode++] = n;
if (n == nodes[il1]) {
isFLN = true;
}
// add nodes of face starting from last node of link
while ( anIter->more() ) {
- poly_nodes[iNode++] = anIter->next();
+ poly_nodes[iNode++] = cast2Node(anIter->next());
}
}
else {
return;
}
+ SMESHDS_Mesh *aMesh = GetMeshDS();
if( !theFace->IsQuadratic() ) {
// put aNodesToInsert between theBetweenNode1 and theBetweenNode2
}
// create new elements
- SMESHDS_Mesh *aMesh = GetMeshDS();
int aShapeId = FindShape( theFace );
i1 = 0; i2 = 1;
newNodes[ 1 ] = linkNodes[ i2 ];
newNodes[ 2 ] = nodes[ iSplit >= iBestQuad ? i3 : i4 ];
newNodes[ 3 ] = nodes[ i4 ];
- aMesh->ChangeElementNodes( theFace, newNodes, iSplit == iBestQuad ? 4 : 3 );
- } // end if(!theFace->IsQuadratic())
+ //aMesh->ChangeElementNodes( theFace, newNodes, iSplit == iBestQuad ? 4 : 3 );
+ const SMDS_MeshElement* newElem = 0;
+ if (iSplit == iBestQuad)
+ newElem = aMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3] );
+ else
+ newElem = aMesh->AddFace( newNodes[0], newNodes[1], newNodes[2] );
+ myLastCreatedElems.Append(newElem);
+ if ( aShapeId && newElem )
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+} // end if(!theFace->IsQuadratic())
else { // theFace is quadratic
// we have to split theFace on simple triangles and one simple quadrangle
int tmp = il1/2;
// n4 n6 n5 n4
// create new elements
- SMESHDS_Mesh *aMesh = GetMeshDS();
int aShapeId = FindShape( theFace );
int n1,n2,n3;
if ( aShapeId && newElem )
aMesh->SetMeshElementOnShape( newElem, aShapeId );
}
- // remove old quadratic face
- aMesh->RemoveElement(theFace);
}
+ // remove old face
+ aMesh->RemoveElement(theFace);
}
//=======================================================================
}
}
+namespace
+{
+ //================================================================================
+ /*!
+ * \brief Transform any volume into data of SMDSEntity_Polyhedra
+ */
+ //================================================================================
+
+ void volumeToPolyhedron( const SMDS_MeshElement* elem,
+ vector<const SMDS_MeshNode *> & nodes,
+ vector<int> & nbNodeInFaces )
+ {
+ nodes.clear();
+ nbNodeInFaces.clear();
+ SMDS_VolumeTool vTool ( elem );
+ for ( int iF = 0; iF < vTool.NbFaces(); ++iF )
+ {
+ const SMDS_MeshNode** fNodes = vTool.GetFaceNodes( iF );
+ nodes.insert( nodes.end(), fNodes, fNodes + vTool.NbFaceNodes( iF ));
+ nbNodeInFaces.push_back( vTool.NbFaceNodes( iF ));
+ }
+ }
+}
+
//=======================================================================
/*!
* \brief Convert elements contained in a submesh to quadratic
- * \retval int - nb of checked elements
+ * \return int - nb of checked elements
*/
//=======================================================================
int nbElem = 0;
if( !theSm ) return nbElem;
- const bool notFromGroups = false;
+ vector<int> nbNodeInFaces;
+ vector<const SMDS_MeshNode *> nodes;
SMDS_ElemIteratorPtr ElemItr = theSm->GetElements();
while(ElemItr->more())
{
nbElem++;
const SMDS_MeshElement* elem = ElemItr->next();
- if( !elem || elem->IsQuadratic() ) continue;
-
- int id = elem->GetID();
- int nbNodes = elem->NbNodes();
- vector<const SMDS_MeshNode *> aNds (nbNodes);
+ if( !elem ) continue;
- for(int i = 0; i < nbNodes; i++)
+ const SMDSAbs_EntityType aGeomType = elem->GetEntityType();
+ if ( elem->IsQuadratic() )
{
- aNds[i] = elem->GetNode(i);
- }
- SMDSAbs_ElementType aType = elem->GetType();
-
- GetMeshDS()->RemoveFreeElement(elem, theSm, notFromGroups);
+ bool alreadyOK;
+ switch ( aGeomType ) {
+ case SMDSEntity_Quad_Quadrangle:
+ case SMDSEntity_Quad_Hexa: alreadyOK = !theHelper.GetIsBiQuadratic(); break;
+ case SMDSEntity_BiQuad_Quadrangle:
+ case SMDSEntity_TriQuad_Hexa: alreadyOK = theHelper.GetIsBiQuadratic(); break;
+ default: alreadyOK = true;
+ }
+ if ( alreadyOK ) continue;
+ }
+ // get elem data needed to re-create it
+ //
+ const int id = elem->GetID();
+ const int nbNodes = elem->NbCornerNodes();
+ const SMDSAbs_ElementType aType = elem->GetType();
+ nodes.assign(elem->begin_nodes(), elem->end_nodes());
+ if ( aGeomType == SMDSEntity_Polyhedra )
+ nbNodeInFaces = static_cast<const SMDS_VtkVolume* >( elem )->GetQuantities();
+ else if ( aGeomType == SMDSEntity_Hexagonal_Prism )
+ volumeToPolyhedron( elem, nodes, nbNodeInFaces );
+
+ // remove a linear element
+ GetMeshDS()->RemoveFreeElement(elem, theSm, /*fromGroups=*/false);
const SMDS_MeshElement* NewElem = 0;
{
case SMDSAbs_Edge :
{
- NewElem = theHelper.AddEdge(aNds[0], aNds[1], id, theForce3d);
+ NewElem = theHelper.AddEdge(nodes[0], nodes[1], id, theForce3d);
break;
}
case SMDSAbs_Face :
switch(nbNodes)
{
case 3:
- NewElem = theHelper.AddFace(aNds[0], aNds[1], aNds[2], id, theForce3d);
+ NewElem = theHelper.AddFace(nodes[0], nodes[1], nodes[2], id, theForce3d);
break;
case 4:
- NewElem = theHelper.AddFace(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
+ NewElem = theHelper.AddFace(nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d);
break;
default:
+ NewElem = theHelper.AddPolygonalFace(nodes, id, theForce3d);
continue;
}
break;
}
case SMDSAbs_Volume :
{
- switch(nbNodes)
+ switch( aGeomType )
{
- case 4:
- NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
+ case SMDSEntity_Tetra:
+ NewElem = theHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d);
+ break;
+ case SMDSEntity_Pyramid:
+ NewElem = theHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], nodes[4], id, theForce3d);
break;
- case 6:
- NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3], aNds[4], aNds[5], id, theForce3d);
+ case SMDSEntity_Penta:
+ NewElem = theHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], nodes[4], nodes[5], id, theForce3d);
break;
- case 8:
- NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3],
- aNds[4], aNds[5], aNds[6], aNds[7], id, theForce3d);
+ case SMDSEntity_Hexa:
+ case SMDSEntity_Quad_Hexa:
+ case SMDSEntity_TriQuad_Hexa:
+ NewElem = theHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3],
+ nodes[4], nodes[5], nodes[6], nodes[7], id, theForce3d);
break;
+ case SMDSEntity_Hexagonal_Prism:
default:
- continue;
+ NewElem = theHelper.AddPolyhedralVolume(nodes, nbNodeInFaces, id, theForce3d);
}
break;
}
}
return nbElem;
}
-
//=======================================================================
//function : ConvertToQuadratic
//purpose :
//=======================================================================
-void SMESH_MeshEditor::ConvertToQuadratic(const bool theForce3d)
+
+void SMESH_MeshEditor::ConvertToQuadratic(const bool theForce3d, const bool theToBiQuad)
{
SMESHDS_Mesh* meshDS = GetMeshDS();
SMESH_MesherHelper aHelper(*myMesh);
+
aHelper.SetIsQuadratic( true );
- const bool notFromGroups = false;
+ aHelper.SetIsBiQuadratic( theToBiQuad );
+ aHelper.SetElementsOnShape(true);
int nbCheckedElems = 0;
if ( myMesh->HasShapeToMesh() )
SMESH_subMesh* sm = smIt->next();
if ( SMESHDS_SubMesh *smDS = sm->GetSubMeshDS() ) {
aHelper.SetSubShape( sm->GetSubShape() );
- if ( !theForce3d) aHelper.SetCheckNodePosition(true);
nbCheckedElems += convertElemToQuadratic(smDS, aHelper, theForce3d);
}
}
if(edge && !edge->IsQuadratic())
{
int id = edge->GetID();
+ //MESSAGE("edge->GetID() " << id);
const SMDS_MeshNode* n1 = edge->GetNode(0);
const SMDS_MeshNode* n2 = edge->GetNode(1);
- meshDS->RemoveFreeElement(edge, smDS, notFromGroups);
+ meshDS->RemoveFreeElement(edge, smDS, /*fromGroups=*/false);
const SMDS_MeshEdge* NewEdge = aHelper.AddEdge(n1, n2, id, theForce3d);
ReplaceElemInGroups( edge, NewEdge, GetMeshDS());
while(aFaceItr->more())
{
const SMDS_MeshFace* face = aFaceItr->next();
- if(!face || face->IsQuadratic() ) continue;
-
- int id = face->GetID();
- int nbNodes = face->NbNodes();
- vector<const SMDS_MeshNode *> aNds (nbNodes);
+ if ( !face ) continue;
+
+ const SMDSAbs_EntityType type = face->GetEntityType();
+ if (( theToBiQuad && type == SMDSEntity_BiQuad_Quadrangle ) ||
+ ( !theToBiQuad && type == SMDSEntity_Quad_Quadrangle ))
+ continue;
- for(int i = 0; i < nbNodes; i++)
- {
- aNds[i] = face->GetNode(i);
- }
+ const int id = face->GetID();
+ vector<const SMDS_MeshNode *> nodes ( face->begin_nodes(), face->end_nodes());
- meshDS->RemoveFreeElement(face, smDS, notFromGroups);
+ meshDS->RemoveFreeElement(face, smDS, /*fromGroups=*/false);
SMDS_MeshFace * NewFace = 0;
- switch(nbNodes)
+ switch( type )
{
- case 3:
- NewFace = aHelper.AddFace(aNds[0], aNds[1], aNds[2], id, theForce3d);
+ case SMDSEntity_Triangle:
+ NewFace = aHelper.AddFace(nodes[0], nodes[1], nodes[2], id, theForce3d);
break;
- case 4:
- NewFace = aHelper.AddFace(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
+ case SMDSEntity_Quadrangle:
+ NewFace = aHelper.AddFace(nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d);
break;
default:
- continue;
+ NewFace = aHelper.AddPolygonalFace(nodes, id, theForce3d);
}
ReplaceElemInGroups( face, NewFace, GetMeshDS());
}
+ vector<int> nbNodeInFaces;
SMDS_VolumeIteratorPtr aVolumeItr = meshDS->volumesIterator();
while(aVolumeItr->more())
{
const SMDS_MeshVolume* volume = aVolumeItr->next();
if(!volume || volume->IsQuadratic() ) continue;
- int id = volume->GetID();
- int nbNodes = volume->NbNodes();
- vector<const SMDS_MeshNode *> aNds (nbNodes);
+ const SMDSAbs_EntityType type = volume->GetEntityType();
+ if (( theToBiQuad && type == SMDSEntity_TriQuad_Hexa ) ||
+ ( !theToBiQuad && type == SMDSEntity_Quad_Hexa ))
+ continue;
- for(int i = 0; i < nbNodes; i++)
- {
- aNds[i] = volume->GetNode(i);
- }
+ const int id = volume->GetID();
+ vector<const SMDS_MeshNode *> nodes (volume->begin_nodes(), volume->end_nodes());
+ if ( type == SMDSEntity_Polyhedra )
+ nbNodeInFaces = static_cast<const SMDS_VtkVolume* >(volume)->GetQuantities();
+ else if ( type == SMDSEntity_Hexagonal_Prism )
+ volumeToPolyhedron( volume, nodes, nbNodeInFaces );
- meshDS->RemoveFreeElement(volume, smDS, notFromGroups);
+ meshDS->RemoveFreeElement(volume, smDS, /*fromGroups=*/false);
SMDS_MeshVolume * NewVolume = 0;
- switch(nbNodes)
+ switch ( type )
{
- case 4:
- NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2],
- aNds[3], id, theForce3d );
+ case SMDSEntity_Tetra:
+ NewVolume = aHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d );
break;
- case 6:
- NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2],
- aNds[3], aNds[4], aNds[5], id, theForce3d);
+ case SMDSEntity_Hexa:
+ case SMDSEntity_Quad_Hexa:
+ case SMDSEntity_TriQuad_Hexa:
+ NewVolume = aHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3],
+ nodes[4], nodes[5], nodes[6], nodes[7], id, theForce3d);
break;
- case 8:
- NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3],
- aNds[4], aNds[5], aNds[6], aNds[7], id, theForce3d);
+ case SMDSEntity_Pyramid:
+ NewVolume = aHelper.AddVolume(nodes[0], nodes[1], nodes[2],
+ nodes[3], nodes[4], id, theForce3d);
break;
+ case SMDSEntity_Penta:
+ NewVolume = aHelper.AddVolume(nodes[0], nodes[1], nodes[2],
+ nodes[3], nodes[4], nodes[5], id, theForce3d);
+ break;
+ case SMDSEntity_Hexagonal_Prism:
default:
- continue;
+ NewVolume = aHelper.AddPolyhedralVolume(nodes, nbNodeInFaces, id, theForce3d);
}
ReplaceElemInGroups(volume, NewVolume, meshDS);
}
}
- if ( !theForce3d ) {
- aHelper.SetSubShape(0); // apply to the whole mesh
- aHelper.FixQuadraticElements();
+
+ if ( !theForce3d )
+ { // setenv NO_FixQuadraticElements to know if FixQuadraticElements() is guilty of bad conversion
+ aHelper.SetSubShape(0); // apply FixQuadraticElements() to the whole mesh
+ aHelper.FixQuadraticElements(myError);
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Makes given elements quadratic
+ * \param theForce3d - if true, the medium nodes will be placed in the middle of link
+ * \param theElements - elements to make quadratic
+ */
+//================================================================================
+
+void SMESH_MeshEditor::ConvertToQuadratic(const bool theForce3d,
+ TIDSortedElemSet& theElements,
+ const bool theToBiQuad)
+{
+ if ( theElements.empty() ) return;
+
+ // we believe that all theElements are of the same type
+ const SMDSAbs_ElementType elemType = (*theElements.begin())->GetType();
+
+ // get all nodes shared by theElements
+ TIDSortedNodeSet allNodes;
+ TIDSortedElemSet::iterator eIt = theElements.begin();
+ for ( ; eIt != theElements.end(); ++eIt )
+ allNodes.insert( (*eIt)->begin_nodes(), (*eIt)->end_nodes() );
+
+ // complete theElements with elements of lower dim whose all nodes are in allNodes
+
+ TIDSortedElemSet quadAdjacentElems [ SMDSAbs_NbElementTypes ]; // quadratic adjacent elements
+ TIDSortedElemSet checkedAdjacentElems [ SMDSAbs_NbElementTypes ];
+ TIDSortedNodeSet::iterator nIt = allNodes.begin();
+ for ( ; nIt != allNodes.end(); ++nIt )
+ {
+ const SMDS_MeshNode* n = *nIt;
+ SMDS_ElemIteratorPtr invIt = n->GetInverseElementIterator();
+ while ( invIt->more() )
+ {
+ const SMDS_MeshElement* e = invIt->next();
+ if ( e->IsQuadratic() )
+ {
+ bool alreadyOK;
+ switch ( e->GetEntityType() ) {
+ case SMDSEntity_Quad_Quadrangle:
+ case SMDSEntity_Quad_Hexa: alreadyOK = !theToBiQuad; break;
+ case SMDSEntity_BiQuad_Quadrangle:
+ case SMDSEntity_TriQuad_Hexa: alreadyOK = theToBiQuad; break;
+ default: alreadyOK = true;
+ }
+ if ( alreadyOK )
+ {
+ quadAdjacentElems[ e->GetType() ].insert( e );
+ continue;
+ }
+ }
+ if ( e->GetType() >= elemType )
+ {
+ continue; // same type of more complex linear element
+ }
+
+ if ( !checkedAdjacentElems[ e->GetType() ].insert( e ).second )
+ continue; // e is already checked
+
+ // check nodes
+ bool allIn = true;
+ SMDS_ElemIteratorPtr nodeIt = e->nodesIterator();
+ while ( nodeIt->more() && allIn )
+ allIn = allNodes.count( cast2Node( nodeIt->next() ));
+ if ( allIn )
+ theElements.insert(e );
+ }
+ }
+
+ SMESH_MesherHelper helper(*myMesh);
+ helper.SetIsQuadratic( true );
+ helper.SetIsBiQuadratic( theToBiQuad );
+
+ // add links of quadratic adjacent elements to the helper
+
+ if ( !quadAdjacentElems[SMDSAbs_Edge].empty() )
+ for ( eIt = quadAdjacentElems[SMDSAbs_Edge].begin();
+ eIt != quadAdjacentElems[SMDSAbs_Edge].end(); ++eIt )
+ {
+ helper.AddTLinks( static_cast< const SMDS_MeshEdge*> (*eIt) );
+ }
+ if ( !quadAdjacentElems[SMDSAbs_Face].empty() )
+ for ( eIt = quadAdjacentElems[SMDSAbs_Face].begin();
+ eIt != quadAdjacentElems[SMDSAbs_Face].end(); ++eIt )
+ {
+ helper.AddTLinks( static_cast< const SMDS_MeshFace*> (*eIt) );
+ }
+ if ( !quadAdjacentElems[SMDSAbs_Volume].empty() )
+ for ( eIt = quadAdjacentElems[SMDSAbs_Volume].begin();
+ eIt != quadAdjacentElems[SMDSAbs_Volume].end(); ++eIt )
+ {
+ helper.AddTLinks( static_cast< const SMDS_MeshVolume*> (*eIt) );
+ }
+
+ // make quadratic (or bi-tri-quadratic) elements instead of linear ones
+
+ SMESHDS_Mesh* meshDS = GetMeshDS();
+ SMESHDS_SubMesh* smDS = 0;
+ for ( eIt = theElements.begin(); eIt != theElements.end(); ++eIt )
+ {
+ const SMDS_MeshElement* elem = *eIt;
+ if( elem->NbNodes() < 2 || elem->IsPoly() )
+ continue;
+
+ if ( elem->IsQuadratic() )
+ {
+ bool alreadyOK;
+ switch ( elem->GetEntityType() ) {
+ case SMDSEntity_Quad_Quadrangle:
+ case SMDSEntity_Quad_Hexa: alreadyOK = !theToBiQuad; break;
+ case SMDSEntity_BiQuad_Quadrangle:
+ case SMDSEntity_TriQuad_Hexa: alreadyOK = theToBiQuad; break;
+ default: alreadyOK = true;
+ }
+ if ( alreadyOK ) continue;
+ }
+
+ const SMDSAbs_ElementType type = elem->GetType();
+ const int id = elem->GetID();
+ const int nbNodes = elem->NbCornerNodes();
+ vector<const SMDS_MeshNode *> nodes ( elem->begin_nodes(), elem->end_nodes());
+
+ if ( !smDS || !smDS->Contains( elem ))
+ smDS = meshDS->MeshElements( elem->getshapeId() );
+ meshDS->RemoveFreeElement(elem, smDS, /*fromGroups=*/false);
+
+ SMDS_MeshElement * newElem = 0;
+ switch( nbNodes )
+ {
+ case 4: // cases for most frequently used element types go first (for optimization)
+ if ( type == SMDSAbs_Volume )
+ newElem = helper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d);
+ else
+ newElem = helper.AddFace (nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d);
+ break;
+ case 8:
+ newElem = helper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3],
+ nodes[4], nodes[5], nodes[6], nodes[7], id, theForce3d);
+ break;
+ case 3:
+ newElem = helper.AddFace (nodes[0], nodes[1], nodes[2], id, theForce3d);
+ break;
+ case 2:
+ newElem = helper.AddEdge(nodes[0], nodes[1], id, theForce3d);
+ break;
+ case 5:
+ newElem = helper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3],
+ nodes[4], id, theForce3d);
+ break;
+ case 6:
+ newElem = helper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3],
+ nodes[4], nodes[5], id, theForce3d);
+ break;
+ default:;
+ }
+ ReplaceElemInGroups( elem, newElem, meshDS);
+ if( newElem && smDS )
+ smDS->AddElement( newElem );
+ }
+
+ if ( !theForce3d && !getenv("NO_FixQuadraticElements"))
+ { // setenv NO_FixQuadraticElements to know if FixQuadraticElements() is guilty of bad conversion
+ helper.SetSubShape(0); // apply FixQuadraticElements() to the whole mesh
+ helper.FixQuadraticElements( myError );
}
}
//=======================================================================
/*!
* \brief Convert quadratic elements to linear ones and remove quadratic nodes
- * \retval int - nb of checked elements
+ * \return int - nb of checked elements
*/
//=======================================================================
{
int nbElem = 0;
SMESHDS_Mesh* meshDS = GetMeshDS();
- const bool notFromGroups = false;
while( theItr->more() )
{
nbElem++;
if( elem && elem->IsQuadratic())
{
- int id = elem->GetID();
- int nbNodes = elem->NbNodes();
- vector<const SMDS_MeshNode *> aNds, mediumNodes;
- aNds.reserve( nbNodes );
- mediumNodes.reserve( nbNodes );
-
- for(int i = 0; i < nbNodes; i++)
- {
- const SMDS_MeshNode* n = elem->GetNode(i);
-
- if( elem->IsMediumNode( n ) )
- mediumNodes.push_back( n );
- else
- aNds.push_back( n );
- }
- if( aNds.empty() ) continue;
+ int id = elem->GetID();
+ int nbCornerNodes = elem->NbCornerNodes();
SMDSAbs_ElementType aType = elem->GetType();
- //remove old quadratic element
- meshDS->RemoveFreeElement( elem, theSm, notFromGroups );
+ vector<const SMDS_MeshNode *> nodes( elem->begin_nodes(), elem->end_nodes() );
- SMDS_MeshElement * NewElem = AddElement( aNds, aType, false, id );
- ReplaceElemInGroups(elem, NewElem, meshDS);
- if( theSm && NewElem )
- theSm->AddElement( NewElem );
+ //remove a quadratic element
+ if ( !theSm || !theSm->Contains( elem ))
+ theSm = meshDS->MeshElements( elem->getshapeId() );
+ meshDS->RemoveFreeElement( elem, theSm, /*fromGroups=*/false );
// remove medium nodes
- vector<const SMDS_MeshNode*>::iterator nIt = mediumNodes.begin();
- for ( ; nIt != mediumNodes.end(); ++nIt ) {
- const SMDS_MeshNode* n = *nIt;
- if ( n->NbInverseElements() == 0 ) {
- if ( n->GetPosition()->GetShapeId() != theShapeID )
- meshDS->RemoveFreeNode( n, meshDS->MeshElements
- ( n->GetPosition()->GetShapeId() ));
- else
- meshDS->RemoveFreeNode( n, theSm );
- }
- }
+ for ( unsigned i = nbCornerNodes; i < nodes.size(); ++i )
+ if ( nodes[i]->NbInverseElements() == 0 )
+ meshDS->RemoveFreeNode( nodes[i], theSm );
+
+ // add a linear element
+ nodes.resize( nbCornerNodes );
+ SMDS_MeshElement * newElem = AddElement( nodes, aType, false, id );
+ ReplaceElemInGroups(elem, newElem, meshDS);
+ if( theSm && newElem )
+ theSm->AddElement( newElem );
}
}
return nbElem;
//function : ConvertFromQuadratic
//purpose :
//=======================================================================
-bool SMESH_MeshEditor::ConvertFromQuadratic()
+
+bool SMESH_MeshEditor::ConvertFromQuadratic()
{
int nbCheckedElems = 0;
if ( myMesh->HasShapeToMesh() )
return true;
}
+namespace
+{
+ //================================================================================
+ /*!
+ * \brief Return true if all medium nodes of the element are in the node set
+ */
+ //================================================================================
+
+ bool allMediumNodesIn(const SMDS_MeshElement* elem, TIDSortedNodeSet& nodeSet )
+ {
+ for ( int i = elem->NbCornerNodes(); i < elem->NbNodes(); ++i )
+ if ( !nodeSet.count( elem->GetNode(i) ))
+ return false;
+ return true;
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Makes given elements linear
+ */
+//================================================================================
+
+void SMESH_MeshEditor::ConvertFromQuadratic(TIDSortedElemSet& theElements)
+{
+ if ( theElements.empty() ) return;
+
+ // collect IDs of medium nodes of theElements; some of these nodes will be removed
+ set<int> mediumNodeIDs;
+ TIDSortedElemSet::iterator eIt = theElements.begin();
+ for ( ; eIt != theElements.end(); ++eIt )
+ {
+ const SMDS_MeshElement* e = *eIt;
+ for ( int i = e->NbCornerNodes(); i < e->NbNodes(); ++i )
+ mediumNodeIDs.insert( e->GetNode(i)->GetID() );
+ }
+
+ // replace given elements by linear ones
+ typedef SMDS_SetIterator<const SMDS_MeshElement*, TIDSortedElemSet::iterator> TSetIterator;
+ SMDS_ElemIteratorPtr elemIt( new TSetIterator( theElements.begin(), theElements.end() ));
+ removeQuadElem( /*theSm=*/0, elemIt, /*theShapeID=*/0 );
+
+ // we need to convert remaining elements whose all medium nodes are in mediumNodeIDs
+ // except those elements sharing medium nodes of quadratic element whose medium nodes
+ // are not all in mediumNodeIDs
+
+ // get remaining medium nodes
+ TIDSortedNodeSet mediumNodes;
+ set<int>::iterator nIdsIt = mediumNodeIDs.begin();
+ for ( ; nIdsIt != mediumNodeIDs.end(); ++nIdsIt )
+ if ( const SMDS_MeshNode* n = GetMeshDS()->FindNode( *nIdsIt ))
+ mediumNodes.insert( mediumNodes.end(), n );
+
+ // find more quadratic elements to convert
+ TIDSortedElemSet moreElemsToConvert;
+ TIDSortedNodeSet::iterator nIt = mediumNodes.begin();
+ for ( ; nIt != mediumNodes.end(); ++nIt )
+ {
+ SMDS_ElemIteratorPtr invIt = (*nIt)->GetInverseElementIterator();
+ while ( invIt->more() )
+ {
+ const SMDS_MeshElement* e = invIt->next();
+ if ( e->IsQuadratic() && allMediumNodesIn( e, mediumNodes ))
+ {
+ // find a more complex element including e and
+ // whose medium nodes are not in mediumNodes
+ bool complexFound = false;
+ for ( int type = e->GetType() + 1; type < SMDSAbs_0DElement; ++type )
+ {
+ SMDS_ElemIteratorPtr invIt2 =
+ (*nIt)->GetInverseElementIterator( SMDSAbs_ElementType( type ));
+ while ( invIt2->more() )
+ {
+ const SMDS_MeshElement* eComplex = invIt2->next();
+ if ( eComplex->IsQuadratic() && !allMediumNodesIn( eComplex, mediumNodes))
+ {
+ int nbCommonNodes = SMESH_Algo::GetCommonNodes( e, eComplex ).size();
+ if ( nbCommonNodes == e->NbNodes())
+ {
+ complexFound = true;
+ type = SMDSAbs_NbElementTypes; // to quit from the outer loop
+ break;
+ }
+ }
+ }
+ }
+ if ( !complexFound )
+ moreElemsToConvert.insert( e );
+ }
+ }
+ }
+ elemIt = SMDS_ElemIteratorPtr
+ (new TSetIterator( moreElemsToConvert.begin(), moreElemsToConvert.end() ));
+ removeQuadElem( /*theSm=*/0, elemIt, /*theShapeID=*/0 );
+}
+
//=======================================================================
//function : SewSideElements
//purpose :
// 1. Build set of faces representing each side:
// =======================================================================
// a. build set of nodes belonging to faces
- // b. complete set of faces: find missing fices whose nodes are in set of nodes
+ // b. complete set of faces: find missing faces whose nodes are in set of nodes
// c. create temporary faces representing side of volumes if correspondent
// face does not exist
SMESHDS_Mesh* aMesh = GetMeshDS();
- SMDS_Mesh aTmpFacesMesh;
- set<const SMDS_MeshElement*> faceSet1, faceSet2;
+ // TODO algoritm not OK with vtkUnstructuredGrid: 2 meshes can't share nodes
+ //SMDS_Mesh aTmpFacesMesh; // try to use the same mesh
+ TIDSortedElemSet faceSet1, faceSet2;
set<const SMDS_MeshElement*> volSet1, volSet2;
set<const SMDS_MeshNode*> nodeSet1, nodeSet2;
- set<const SMDS_MeshElement*> * faceSetPtr[] = { &faceSet1, &faceSet2 };
- set<const SMDS_MeshElement*> * volSetPtr[] = { &volSet1, &volSet2 };
+ TIDSortedElemSet * faceSetPtr[] = { &faceSet1, &faceSet2 };
+ set<const SMDS_MeshElement*> * volSetPtr[] = { &volSet1, &volSet2 };
set<const SMDS_MeshNode*> * nodeSetPtr[] = { &nodeSet1, &nodeSet2 };
- TIDSortedElemSet * elemSetPtr[] = { &theSide1, &theSide2 };
+ TIDSortedElemSet * elemSetPtr[] = { &theSide1, &theSide2 };
int iSide, iFace, iNode;
+ list<const SMDS_MeshElement* > tempFaceList;
for ( iSide = 0; iSide < 2; iSide++ ) {
set<const SMDS_MeshNode*> * nodeSet = nodeSetPtr[ iSide ];
- TIDSortedElemSet * elemSet = elemSetPtr[ iSide ];
- set<const SMDS_MeshElement*> * faceSet = faceSetPtr[ iSide ];
+ TIDSortedElemSet * elemSet = elemSetPtr[ iSide ];
+ TIDSortedElemSet * faceSet = faceSetPtr[ iSide ];
set<const SMDS_MeshElement*> * volSet = volSetPtr [ iSide ];
set<const SMDS_MeshElement*>::iterator vIt;
TIDSortedElemSet::iterator eIt;
// -----------------------------------------------------------
// 1a. Collect nodes of existing faces
// and build set of face nodes in order to detect missing
- // faces corresponing to sides of volumes
+ // faces corresponding to sides of volumes
// -----------------------------------------------------------
set< set <const SMDS_MeshNode*> > setOfFaceNodeSet;
volSet->insert( elem );
}
// ------------------------------------------------------------------------------
- // 1b. Complete set of faces: find missing fices whose nodes are in set of nodes
+ // 1b. Complete set of faces: find missing faces whose nodes are in set of nodes
// ------------------------------------------------------------------------------
for ( nIt = nodeSet->begin(); nIt != nodeSet->end(); nIt++ ) { // loop on nodes of iSide
bool isNewFace = setOfFaceNodeSet.insert( faceNodeSet ).second;
if ( isNewFace ) {
// no such a face is given but it still can exist, check it
- if ( nbNodes == 3 ) {
- aFreeFace = aMesh->FindFace( fNodes[0],fNodes[1],fNodes[2] );
- }
- else if ( nbNodes == 4 ) {
- aFreeFace = aMesh->FindFace( fNodes[0],fNodes[1],fNodes[2],fNodes[3] );
- }
- else {
- vector<const SMDS_MeshNode *> poly_nodes ( fNodes, & fNodes[nbNodes]);
- aFreeFace = aMesh->FindFace(poly_nodes);
- }
+ vector<const SMDS_MeshNode *> nodes ( fNodes, fNodes + nbNodes);
+ aFreeFace = aMesh->FindElement( nodes, SMDSAbs_Face, /*noMedium=*/false );
}
if ( !aFreeFace ) {
// create a temporary face
if ( nbNodes == 3 ) {
- aFreeFace = aTmpFacesMesh.AddFace( fNodes[0],fNodes[1],fNodes[2] );
+ //aFreeFace = aTmpFacesMesh.AddFace( fNodes[0],fNodes[1],fNodes[2] );
+ aFreeFace = aMesh->AddFace( fNodes[0],fNodes[1],fNodes[2] );
}
else if ( nbNodes == 4 ) {
- aFreeFace = aTmpFacesMesh.AddFace( fNodes[0],fNodes[1],fNodes[2],fNodes[3] );
+ //aFreeFace = aTmpFacesMesh.AddFace( fNodes[0],fNodes[1],fNodes[2],fNodes[3] );
+ aFreeFace = aMesh->AddFace( fNodes[0],fNodes[1],fNodes[2],fNodes[3] );
}
else {
vector<const SMDS_MeshNode *> poly_nodes ( fNodes, & fNodes[nbNodes]);
- aFreeFace = aTmpFacesMesh.AddPolygonalFace(poly_nodes);
+ //aFreeFace = aTmpFacesMesh.AddPolygonalFace(poly_nodes);
+ aFreeFace = aMesh->AddPolygonalFace(poly_nodes);
}
+ if ( aFreeFace )
+ tempFaceList.push_back( aFreeFace );
}
+
if ( aFreeFace )
freeFaceList.push_back( aFreeFace );
} // loop on faces of a volume
- // choose one of several free faces
- // --------------------------------------
+ // choose one of several free faces of a volume
+ // --------------------------------------------
if ( freeFaceList.size() > 1 ) {
// choose a face having max nb of nodes shared by other elems of a side
- int maxNbNodes = -1/*, nbExcludedFaces = 0*/;
+ int maxNbNodes = -1;
list<const SMDS_MeshElement* >::iterator fIt = freeFaceList.begin();
while ( fIt != freeFaceList.end() ) { // loop on free faces
int nbSharedNodes = 0;
SMDS_ElemIteratorPtr invElemIt = n->GetInverseElementIterator();
while ( invElemIt->more() ) {
const SMDS_MeshElement* e = invElemIt->next();
- if ( faceSet->find( e ) != faceSet->end() )
- nbSharedNodes++;
- if ( elemSet->find( e ) != elemSet->end() )
- nbSharedNodes++;
+ nbSharedNodes += faceSet->count( e );
+ nbSharedNodes += elemSet->count( e );
}
}
- if ( nbSharedNodes >= maxNbNodes ) {
+ if ( nbSharedNodes > maxNbNodes ) {
maxNbNodes = nbSharedNodes;
+ freeFaceList.erase( freeFaceList.begin(), fIt++ );
+ }
+ else if ( nbSharedNodes == maxNbNodes ) {
fIt++;
}
- else
- freeFaceList.erase( fIt++ ); // here fIt++ occures before erase
+ else {
+ freeFaceList.erase( fIt++ ); // here fIt++ occurs before erase
+ }
}
if ( freeFaceList.size() > 1 )
{
if ( faceSet1.size() != faceSet2.size() ) {
// delete temporary faces: they are in reverseElements of actual nodes
- SMDS_FaceIteratorPtr tmpFaceIt = aTmpFacesMesh.facesIterator();
- while ( tmpFaceIt->more() )
- aTmpFacesMesh.RemoveElement( tmpFaceIt->next() );
+// SMDS_FaceIteratorPtr tmpFaceIt = aTmpFacesMesh.facesIterator();
+// while ( tmpFaceIt->more() )
+// aTmpFacesMesh.RemoveElement( tmpFaceIt->next() );
+// list<const SMDS_MeshElement* >::iterator tmpFaceIt = tempFaceList.begin();
+// for (; tmpFaceIt !=tempFaceList.end(); ++tmpFaceIt)
+// aMesh->RemoveElement(*tmpFaceIt);
MESSAGE("Diff nb of faces");
return SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
}
- // ============================================================
- // 2. Find nodes to merge:
- // bind a node to remove to a node to put instead
- // ============================================================
+ // ============================================================
+ // 2. Find nodes to merge:
+ // bind a node to remove to a node to put instead
+ // ============================================================
+
+ TNodeNodeMap nReplaceMap; // bind a node to remove to a node to put instead
+ if ( theFirstNode1 != theFirstNode2 )
+ nReplaceMap.insert( make_pair( theFirstNode1, theFirstNode2 ));
+ if ( theSecondNode1 != theSecondNode2 )
+ nReplaceMap.insert( make_pair( theSecondNode1, theSecondNode2 ));
+
+ LinkID_Gen aLinkID_Gen( GetMeshDS() );
+ set< long > linkIdSet; // links to process
+ linkIdSet.insert( aLinkID_Gen.GetLinkID( theFirstNode1, theSecondNode1 ));
+
+ typedef pair< const SMDS_MeshNode*, const SMDS_MeshNode* > NLink;
+ list< NLink > linkList[2];
+ linkList[0].push_back( NLink( theFirstNode1, theSecondNode1 ));
+ linkList[1].push_back( NLink( theFirstNode2, theSecondNode2 ));
+ // loop on links in linkList; find faces by links and append links
+ // of the found faces to linkList
+ list< NLink >::iterator linkIt[] = { linkList[0].begin(), linkList[1].begin() } ;
+ for ( ; linkIt[0] != linkList[0].end(); linkIt[0]++, linkIt[1]++ )
+ {
+ NLink link[] = { *linkIt[0], *linkIt[1] };
+ long linkID = aLinkID_Gen.GetLinkID( link[0].first, link[0].second );
+ if ( !linkIdSet.count( linkID ) )
+ continue;
+
+ // by links, find faces in the face sets,
+ // and find indices of link nodes in the found faces;
+ // in a face set, there is only one or no face sharing a link
+ // ---------------------------------------------------------------
+
+ const SMDS_MeshElement* face[] = { 0, 0 };
+ vector<const SMDS_MeshNode*> fnodes[2];
+ int iLinkNode[2][2];
+ TIDSortedElemSet avoidSet;
+ for ( iSide = 0; iSide < 2; iSide++ ) { // loop on 2 sides
+ const SMDS_MeshNode* n1 = link[iSide].first;
+ const SMDS_MeshNode* n2 = link[iSide].second;
+ //cout << "Side " << iSide << " ";
+ //cout << "L( " << n1->GetID() << ", " << n2->GetID() << " ) " << endl;
+ // find a face by two link nodes
+ face[ iSide ] = FindFaceInSet( n1, n2, *faceSetPtr[ iSide ], avoidSet,
+ &iLinkNode[iSide][0], &iLinkNode[iSide][1] );
+ if ( face[ iSide ])
+ {
+ //cout << " F " << face[ iSide]->GetID() <<endl;
+ faceSetPtr[ iSide ]->erase( face[ iSide ]);
+ // put face nodes to fnodes
+ if ( face[ iSide ]->IsQuadratic() )
+ {
+ // use interlaced nodes iterator
+ const SMDS_VtkFace* F = dynamic_cast<const SMDS_VtkFace*>( face[ iSide ]);
+ if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
+ SMDS_ElemIteratorPtr nIter = F->interlacedNodesElemIterator();
+ while ( nIter->more() )
+ fnodes[ iSide ].push_back( cast2Node( nIter->next() ));
+ }
+ else
+ {
+ fnodes[ iSide ].assign( face[ iSide ]->begin_nodes(),
+ face[ iSide ]->end_nodes() );
+ }
+ fnodes[ iSide ].push_back( fnodes[ iSide ].front());
+ }
+ }
+
+ // check similarity of elements of the sides
+ if (aResult == SEW_OK && (( face[0] && !face[1] ) || ( !face[0] && face[1] ))) {
+ MESSAGE("Correspondent face not found on side " << ( face[0] ? 1 : 0 ));
+ if ( nReplaceMap.size() == 2 ) { // faces on input nodes not found
+ aResult = ( face[0] ? SEW_BAD_SIDE2_NODES : SEW_BAD_SIDE1_NODES );
+ }
+ else {
+ aResult = SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
+ }
+ break; // do not return because it's necessary to remove tmp faces
+ }
+
+ // set nodes to merge
+ // -------------------
+
+ if ( face[0] && face[1] ) {
+ const int nbNodes = face[0]->NbNodes();
+ if ( nbNodes != face[1]->NbNodes() ) {
+ MESSAGE("Diff nb of face nodes");
+ aResult = SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
+ break; // do not return because it s necessary to remove tmp faces
+ }
+ bool reverse[] = { false, false }; // order of nodes in the link
+ for ( iSide = 0; iSide < 2; iSide++ ) { // loop on 2 sides
+ // analyse link orientation in faces
+ int i1 = iLinkNode[ iSide ][ 0 ];
+ int i2 = iLinkNode[ iSide ][ 1 ];
+ reverse[ iSide ] = Abs( i1 - i2 ) == 1 ? i1 > i2 : i2 > i1;
+ }
+ int di1 = reverse[0] ? -1 : +1, i1 = iLinkNode[0][1] + di1;
+ int di2 = reverse[1] ? -1 : +1, i2 = iLinkNode[1][1] + di2;
+ for ( int i = nbNodes - 2; i > 0; --i, i1 += di1, i2 += di2 )
+ {
+ nReplaceMap.insert ( make_pair ( fnodes[0][ ( i1 + nbNodes ) % nbNodes ],
+ fnodes[1][ ( i2 + nbNodes ) % nbNodes ]));
+ }
+
+ // add other links of the faces to linkList
+ // -----------------------------------------
+
+ for ( iNode = 0; iNode < nbNodes; iNode++ ) {
+ linkID = aLinkID_Gen.GetLinkID( fnodes[0][iNode], fnodes[0][iNode+1] );
+ pair< set<long>::iterator, bool > iter_isnew = linkIdSet.insert( linkID );
+ if ( !iter_isnew.second ) { // already in a set: no need to process
+ linkIdSet.erase( iter_isnew.first );
+ }
+ else // new in set == encountered for the first time: add
+ {
+ const SMDS_MeshNode* n1 = fnodes[0][ iNode ];
+ const SMDS_MeshNode* n2 = fnodes[0][ iNode + 1];
+ linkList[0].push_back ( NLink( n1, n2 ));
+ linkList[1].push_back ( NLink( nReplaceMap[n1], nReplaceMap[n2] ));
+ }
+ }
+ } // 2 faces found
+
+ if ( faceSetPtr[0]->empty() || faceSetPtr[1]->empty() )
+ break;
+
+ } // loop on link lists
+
+ if ( aResult == SEW_OK &&
+ ( //linkIt[0] != linkList[0].end() ||
+ !faceSetPtr[0]->empty() || !faceSetPtr[1]->empty() )) {
+ MESSAGE( (linkIt[0] != linkList[0].end()) <<" "<< (faceSetPtr[0]->empty()) <<
+ " " << (faceSetPtr[1]->empty()));
+ aResult = SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
+ }
+
+ // ====================================================================
+ // 3. Replace nodes in elements of the side 1 and remove replaced nodes
+ // ====================================================================
+
+ // delete temporary faces
+// SMDS_FaceIteratorPtr tmpFaceIt = aTmpFacesMesh.facesIterator();
+// while ( tmpFaceIt->more() )
+// aTmpFacesMesh.RemoveElement( tmpFaceIt->next() );
+ list<const SMDS_MeshElement* >::iterator tmpFaceIt = tempFaceList.begin();
+ for (; tmpFaceIt !=tempFaceList.end(); ++tmpFaceIt)
+ aMesh->RemoveElement(*tmpFaceIt);
+
+ if ( aResult != SEW_OK)
+ return aResult;
+
+ list< int > nodeIDsToRemove/*, elemIDsToRemove*/;
+ // loop on nodes replacement map
+ TNodeNodeMap::iterator nReplaceMapIt = nReplaceMap.begin(), nnIt;
+ for ( ; nReplaceMapIt != nReplaceMap.end(); nReplaceMapIt++ )
+ if ( (*nReplaceMapIt).first != (*nReplaceMapIt).second ) {
+ const SMDS_MeshNode* nToRemove = (*nReplaceMapIt).first;
+ nodeIDsToRemove.push_back( nToRemove->GetID() );
+ // loop on elements sharing nToRemove
+ SMDS_ElemIteratorPtr invElemIt = nToRemove->GetInverseElementIterator();
+ while ( invElemIt->more() ) {
+ const SMDS_MeshElement* e = invElemIt->next();
+ // get a new suite of nodes: make replacement
+ int nbReplaced = 0, i = 0, nbNodes = e->NbNodes();
+ vector< const SMDS_MeshNode*> nodes( nbNodes );
+ SMDS_ElemIteratorPtr nIt = e->nodesIterator();
+ while ( nIt->more() ) {
+ const SMDS_MeshNode* n =
+ static_cast<const SMDS_MeshNode*>( nIt->next() );
+ nnIt = nReplaceMap.find( n );
+ if ( nnIt != nReplaceMap.end() ) {
+ nbReplaced++;
+ n = (*nnIt).second;
+ }
+ nodes[ i++ ] = n;
+ }
+ // if ( nbReplaced == nbNodes && e->GetType() == SMDSAbs_Face )
+ // elemIDsToRemove.push_back( e->GetID() );
+ // else
+ if ( nbReplaced )
+ {
+ SMDSAbs_ElementType etyp = e->GetType();
+ SMDS_MeshElement* newElem = this->AddElement(nodes, etyp, false);
+ if (newElem)
+ {
+ myLastCreatedElems.Append(newElem);
+ AddToSameGroups(newElem, e, aMesh);
+ int aShapeId = e->getshapeId();
+ if ( aShapeId )
+ {
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ }
+ }
+ aMesh->RemoveElement(e);
+ }
+ }
+ }
+
+ Remove( nodeIDsToRemove, true );
+
+ return aResult;
+}
+
+//================================================================================
+/*!
+ * \brief Find corresponding nodes in two sets of faces
+ * \param theSide1 - first face set
+ * \param theSide2 - second first face
+ * \param theFirstNode1 - a boundary node of set 1
+ * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
+ * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
+ * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
+ * \param nReplaceMap - output map of corresponding nodes
+ * \return bool - is a success or not
+ */
+//================================================================================
+
+#ifdef _DEBUG_
+//#define DEBUG_MATCHING_NODES
+#endif
+
+SMESH_MeshEditor::Sew_Error
+SMESH_MeshEditor::FindMatchingNodes(set<const SMDS_MeshElement*>& theSide1,
+ set<const SMDS_MeshElement*>& theSide2,
+ const SMDS_MeshNode* theFirstNode1,
+ const SMDS_MeshNode* theFirstNode2,
+ const SMDS_MeshNode* theSecondNode1,
+ const SMDS_MeshNode* theSecondNode2,
+ TNodeNodeMap & nReplaceMap)
+{
+ set<const SMDS_MeshElement*> * faceSetPtr[] = { &theSide1, &theSide2 };
+
+ nReplaceMap.clear();
+ if ( theFirstNode1 != theFirstNode2 )
+ nReplaceMap.insert( make_pair( theFirstNode1, theFirstNode2 ));
+ if ( theSecondNode1 != theSecondNode2 )
+ nReplaceMap.insert( make_pair( theSecondNode1, theSecondNode2 ));
+
+ set< SMESH_TLink > linkSet; // set of nodes where order of nodes is ignored
+ linkSet.insert( SMESH_TLink( theFirstNode1, theSecondNode1 ));
+
+ list< NLink > linkList[2];
+ linkList[0].push_back( NLink( theFirstNode1, theSecondNode1 ));
+ linkList[1].push_back( NLink( theFirstNode2, theSecondNode2 ));
+
+ // loop on links in linkList; find faces by links and append links
+ // of the found faces to linkList
+ list< NLink >::iterator linkIt[] = { linkList[0].begin(), linkList[1].begin() } ;
+ for ( ; linkIt[0] != linkList[0].end(); linkIt[0]++, linkIt[1]++ ) {
+ NLink link[] = { *linkIt[0], *linkIt[1] };
+ if ( linkSet.find( link[0] ) == linkSet.end() )
+ continue;
+
+ // by links, find faces in the face sets,
+ // and find indices of link nodes in the found faces;
+ // in a face set, there is only one or no face sharing a link
+ // ---------------------------------------------------------------
+
+ const SMDS_MeshElement* face[] = { 0, 0 };
+ list<const SMDS_MeshNode*> notLinkNodes[2];
+ //bool reverse[] = { false, false }; // order of notLinkNodes
+ int nbNodes[2];
+ for ( int iSide = 0; iSide < 2; iSide++ ) // loop on 2 sides
+ {
+ const SMDS_MeshNode* n1 = link[iSide].first;
+ const SMDS_MeshNode* n2 = link[iSide].second;
+ set<const SMDS_MeshElement*> * faceSet = faceSetPtr[ iSide ];
+ set< const SMDS_MeshElement* > facesOfNode1;
+ for ( int iNode = 0; iNode < 2; iNode++ ) // loop on 2 nodes of a link
+ {
+ // during a loop of the first node, we find all faces around n1,
+ // during a loop of the second node, we find one face sharing both n1 and n2
+ const SMDS_MeshNode* n = iNode ? n1 : n2; // a node of a link
+ SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator(SMDSAbs_Face);
+ while ( fIt->more() ) { // loop on faces sharing a node
+ const SMDS_MeshElement* f = fIt->next();
+ if (faceSet->find( f ) != faceSet->end() && // f is in face set
+ ! facesOfNode1.insert( f ).second ) // f encounters twice
+ {
+ if ( face[ iSide ] ) {
+ MESSAGE( "2 faces per link " );
+ return ( iSide ? SEW_BAD_SIDE2_NODES : SEW_BAD_SIDE1_NODES );
+ }
+ face[ iSide ] = f;
+ faceSet->erase( f );
+
+ // get not link nodes
+ int nbN = f->NbNodes();
+ if ( f->IsQuadratic() )
+ nbN /= 2;
+ nbNodes[ iSide ] = nbN;
+ list< const SMDS_MeshNode* > & nodes = notLinkNodes[ iSide ];
+ int i1 = f->GetNodeIndex( n1 );
+ int i2 = f->GetNodeIndex( n2 );
+ int iEnd = nbN, iBeg = -1, iDelta = 1;
+ bool reverse = ( Abs( i1 - i2 ) == 1 ? i1 > i2 : i2 > i1 );
+ if ( reverse ) {
+ std::swap( iEnd, iBeg ); iDelta = -1;
+ }
+ int i = i2;
+ while ( true ) {
+ i += iDelta;
+ if ( i == iEnd ) i = iBeg + iDelta;
+ if ( i == i1 ) break;
+ nodes.push_back ( f->GetNode( i ) );
+ }
+ }
+ }
+ }
+ }
+ // check similarity of elements of the sides
+ if (( face[0] && !face[1] ) || ( !face[0] && face[1] )) {
+ MESSAGE("Correspondent face not found on side " << ( face[0] ? 1 : 0 ));
+ if ( nReplaceMap.size() == 2 ) { // faces on input nodes not found
+ return ( face[0] ? SEW_BAD_SIDE2_NODES : SEW_BAD_SIDE1_NODES );
+ }
+ else {
+ return SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
+ }
+ }
+
+ // set nodes to merge
+ // -------------------
+
+ if ( face[0] && face[1] ) {
+ if ( nbNodes[0] != nbNodes[1] ) {
+ MESSAGE("Diff nb of face nodes");
+ return SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
+ }
+#ifdef DEBUG_MATCHING_NODES
+ MESSAGE ( " Link 1: " << link[0].first->GetID() <<" "<< link[0].second->GetID()
+ << " F 1: " << face[0] << "| Link 2: " << link[1].first->GetID() <<" "
+ << link[1].second->GetID() << " F 2: " << face[1] << " | Bind: " ) ;
+#endif
+ int nbN = nbNodes[0];
+ {
+ list<const SMDS_MeshNode*>::iterator n1 = notLinkNodes[0].begin();
+ list<const SMDS_MeshNode*>::iterator n2 = notLinkNodes[1].begin();
+ for ( int i = 0 ; i < nbN - 2; ++i ) {
+#ifdef DEBUG_MATCHING_NODES
+ MESSAGE ( (*n1)->GetID() << " to " << (*n2)->GetID() );
+#endif
+ nReplaceMap.insert( make_pair( *(n1++), *(n2++) ));
+ }
+ }
+
+ // add other links of the face 1 to linkList
+ // -----------------------------------------
+
+ const SMDS_MeshElement* f0 = face[0];
+ const SMDS_MeshNode* n1 = f0->GetNode( nbN - 1 );
+ for ( int i = 0; i < nbN; i++ )
+ {
+ const SMDS_MeshNode* n2 = f0->GetNode( i );
+ pair< set< SMESH_TLink >::iterator, bool > iter_isnew =
+ linkSet.insert( SMESH_TLink( n1, n2 ));
+ if ( !iter_isnew.second ) { // already in a set: no need to process
+ linkSet.erase( iter_isnew.first );
+ }
+ else // new in set == encountered for the first time: add
+ {
+#ifdef DEBUG_MATCHING_NODES
+ MESSAGE ( "Add link 1: " << n1->GetID() << " " << n2->GetID() << " "
+ << " | link 2: " << nReplaceMap[n1]->GetID() << " " << nReplaceMap[n2]->GetID() << " " );
+#endif
+ linkList[0].push_back ( NLink( n1, n2 ));
+ linkList[1].push_back ( NLink( nReplaceMap[n1], nReplaceMap[n2] ));
+ }
+ n1 = n2;
+ }
+ } // 2 faces found
+ } // loop on link lists
+
+ return SEW_OK;
+}
+
+//================================================================================
+/*!
+ \brief Creates a hole in a mesh by doubling the nodes of some particular elements
+ \param theElems - the list of elements (edges or faces) to be replicated
+ The nodes for duplication could be found from these elements
+ \param theNodesNot - list of nodes to NOT replicate
+ \param theAffectedElems - the list of elements (cells and edges) to which the
+ replicated nodes should be associated to.
+ \return TRUE if operation has been completed successfully, FALSE otherwise
+*/
+//================================================================================
+
+bool SMESH_MeshEditor::DoubleNodes( const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ const TIDSortedElemSet& theAffectedElems )
+{
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ if ( theElems.size() == 0 )
+ return false;
+
+ SMESHDS_Mesh* aMeshDS = GetMeshDS();
+ if ( !aMeshDS )
+ return false;
+
+ bool res = false;
+ std::map< const SMDS_MeshNode*, const SMDS_MeshNode* > anOldNodeToNewNode;
+ // duplicate elements and nodes
+ res = doubleNodes( aMeshDS, theElems, theNodesNot, anOldNodeToNewNode, true );
+ // replce nodes by duplications
+ res = doubleNodes( aMeshDS, theAffectedElems, theNodesNot, anOldNodeToNewNode, false );
+ return res;
+}
+
+//================================================================================
+/*!
+ \brief Creates a hole in a mesh by doubling the nodes of some particular elements
+ \param theMeshDS - mesh instance
+ \param theElems - the elements replicated or modified (nodes should be changed)
+ \param theNodesNot - nodes to NOT replicate
+ \param theNodeNodeMap - relation of old node to new created node
+ \param theIsDoubleElem - flag os to replicate element or modify
+ \return TRUE if operation has been completed successfully, FALSE otherwise
+*/
+//================================================================================
+
+bool SMESH_MeshEditor::doubleNodes( SMESHDS_Mesh* theMeshDS,
+ const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ std::map< const SMDS_MeshNode*,
+ const SMDS_MeshNode* >& theNodeNodeMap,
+ const bool theIsDoubleElem )
+{
+ MESSAGE("doubleNodes");
+ // iterate on through element and duplicate them (by nodes duplication)
+ bool res = false;
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
+ for ( ; elemItr != theElems.end(); ++elemItr )
+ {
+ const SMDS_MeshElement* anElem = *elemItr;
+ if (!anElem)
+ continue;
+
+ bool isDuplicate = false;
+ // duplicate nodes to duplicate element
+ std::vector<const SMDS_MeshNode*> newNodes( anElem->NbNodes() );
+ SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
+ int ind = 0;
+ while ( anIter->more() )
+ {
+
+ SMDS_MeshNode* aCurrNode = (SMDS_MeshNode*)anIter->next();
+ SMDS_MeshNode* aNewNode = aCurrNode;
+ if ( theNodeNodeMap.find( aCurrNode ) != theNodeNodeMap.end() )
+ aNewNode = (SMDS_MeshNode*)theNodeNodeMap[ aCurrNode ];
+ else if ( theIsDoubleElem && theNodesNot.find( aCurrNode ) == theNodesNot.end() )
+ {
+ // duplicate node
+ aNewNode = theMeshDS->AddNode( aCurrNode->X(), aCurrNode->Y(), aCurrNode->Z() );
+ theNodeNodeMap[ aCurrNode ] = aNewNode;
+ myLastCreatedNodes.Append( aNewNode );
+ }
+ isDuplicate |= (aCurrNode != aNewNode);
+ newNodes[ ind++ ] = aNewNode;
+ }
+ if ( !isDuplicate )
+ continue;
+
+ if ( theIsDoubleElem )
+ AddElement(newNodes, anElem->GetType(), anElem->IsPoly());
+ else
+ {
+ MESSAGE("ChangeElementNodes");
+ theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], anElem->NbNodes() );
+ }
+ res = true;
+ }
+ return res;
+}
+
+//================================================================================
+/*!
+ \brief Creates a hole in a mesh by doubling the nodes of some particular elements
+ \param theNodes - identifiers of nodes to be doubled
+ \param theModifiedElems - identifiers of elements to be updated by the new (doubled)
+ nodes. If list of element identifiers is empty then nodes are doubled but
+ they not assigned to elements
+ \return TRUE if operation has been completed successfully, FALSE otherwise
+*/
+//================================================================================
+
+bool SMESH_MeshEditor::DoubleNodes( const std::list< int >& theListOfNodes,
+ const std::list< int >& theListOfModifiedElems )
+{
+ MESSAGE("DoubleNodes");
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ if ( theListOfNodes.size() == 0 )
+ return false;
+
+ SMESHDS_Mesh* aMeshDS = GetMeshDS();
+ if ( !aMeshDS )
+ return false;
+
+ // iterate through nodes and duplicate them
+
+ std::map< const SMDS_MeshNode*, const SMDS_MeshNode* > anOldNodeToNewNode;
+
+ std::list< int >::const_iterator aNodeIter;
+ for ( aNodeIter = theListOfNodes.begin(); aNodeIter != theListOfNodes.end(); ++aNodeIter )
+ {
+ int aCurr = *aNodeIter;
+ SMDS_MeshNode* aNode = (SMDS_MeshNode*)aMeshDS->FindNode( aCurr );
+ if ( !aNode )
+ continue;
+
+ // duplicate node
+
+ const SMDS_MeshNode* aNewNode = aMeshDS->AddNode( aNode->X(), aNode->Y(), aNode->Z() );
+ if ( aNewNode )
+ {
+ anOldNodeToNewNode[ aNode ] = aNewNode;
+ myLastCreatedNodes.Append( aNewNode );
+ }
+ }
+
+ // Create map of new nodes for modified elements
+
+ std::map< SMDS_MeshElement*, vector<const SMDS_MeshNode*> > anElemToNodes;
+
+ std::list< int >::const_iterator anElemIter;
+ for ( anElemIter = theListOfModifiedElems.begin();
+ anElemIter != theListOfModifiedElems.end(); ++anElemIter )
+ {
+ int aCurr = *anElemIter;
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*)aMeshDS->FindElement( aCurr );
+ if ( !anElem )
+ continue;
+
+ vector<const SMDS_MeshNode*> aNodeArr( anElem->NbNodes() );
+
+ SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
+ int ind = 0;
+ while ( anIter->more() )
+ {
+ SMDS_MeshNode* aCurrNode = (SMDS_MeshNode*)anIter->next();
+ if ( aCurr && anOldNodeToNewNode.find( aCurrNode ) != anOldNodeToNewNode.end() )
+ {
+ const SMDS_MeshNode* aNewNode = anOldNodeToNewNode[ aCurrNode ];
+ aNodeArr[ ind++ ] = aNewNode;
+ }
+ else
+ aNodeArr[ ind++ ] = aCurrNode;
+ }
+ anElemToNodes[ anElem ] = aNodeArr;
+ }
+
+ // Change nodes of elements
+
+ std::map< SMDS_MeshElement*, vector<const SMDS_MeshNode*> >::iterator
+ anElemToNodesIter = anElemToNodes.begin();
+ for ( ; anElemToNodesIter != anElemToNodes.end(); ++anElemToNodesIter )
+ {
+ const SMDS_MeshElement* anElem = anElemToNodesIter->first;
+ vector<const SMDS_MeshNode*> aNodeArr = anElemToNodesIter->second;
+ if ( anElem )
+ {
+ MESSAGE("ChangeElementNodes");
+ aMeshDS->ChangeElementNodes( anElem, &aNodeArr[ 0 ], anElem->NbNodes() );
+ }
+ }
+
+ return true;
+}
+
+namespace {
+
+ //================================================================================
+ /*!
+ \brief Check if element located inside shape
+ \return TRUE if IN or ON shape, FALSE otherwise
+ */
+ //================================================================================
+
+ template<class Classifier>
+ bool isInside(const SMDS_MeshElement* theElem,
+ Classifier& theClassifier,
+ const double theTol)
+ {
+ gp_XYZ centerXYZ (0, 0, 0);
+ SMDS_ElemIteratorPtr aNodeItr = theElem->nodesIterator();
+ while (aNodeItr->more())
+ centerXYZ += SMESH_TNodeXYZ(cast2Node( aNodeItr->next()));
+
+ gp_Pnt aPnt = centerXYZ / theElem->NbNodes();
+ theClassifier.Perform(aPnt, theTol);
+ TopAbs_State aState = theClassifier.State();
+ return (aState == TopAbs_IN || aState == TopAbs_ON );
+ }
+
+ //================================================================================
+ /*!
+ * \brief Classifier of the 3D point on the TopoDS_Face
+ * with interaface suitable for isInside()
+ */
+ //================================================================================
+
+ struct _FaceClassifier
+ {
+ Extrema_ExtPS _extremum;
+ BRepAdaptor_Surface _surface;
+ TopAbs_State _state;
+
+ _FaceClassifier(const TopoDS_Face& face):_extremum(),_surface(face),_state(TopAbs_OUT)
+ {
+ _extremum.Initialize( _surface,
+ _surface.FirstUParameter(), _surface.LastUParameter(),
+ _surface.FirstVParameter(), _surface.LastVParameter(),
+ _surface.Tolerance(), _surface.Tolerance() );
+ }
+ void Perform(const gp_Pnt& aPnt, double theTol)
+ {
+ _state = TopAbs_OUT;
+ _extremum.Perform(aPnt);
+ if ( _extremum.IsDone() )
+ for ( int iSol = 1; iSol <= _extremum.NbExt() && _state == TopAbs_OUT; ++iSol)
+#if OCC_VERSION_LARGE > 0x06040000 // Porting to OCCT6.5.1
+ _state = ( _extremum.SquareDistance(iSol) <= theTol ? TopAbs_IN : TopAbs_OUT );
+#else
+ _state = ( _extremum.Value(iSol) <= theTol ? TopAbs_IN : TopAbs_OUT );
+#endif
+ }
+ TopAbs_State State() const
+ {
+ return _state;
+ }
+ };
+}
+
+//================================================================================
+/*!
+ \brief Identify the elements that will be affected by node duplication (actual duplication is not performed.
+ This method is the first step of DoubleNodeElemGroupsInRegion.
+ \param theElems - list of groups of elements (edges or faces) to be replicated
+ \param theNodesNot - list of groups of nodes not to replicated
+ \param theShape - shape to detect affected elements (element which geometric center
+ located on or inside shape).
+ The replicated nodes should be associated to affected elements.
+ \return groups of affected elements
+ \sa DoubleNodeElemGroupsInRegion()
+ */
+//================================================================================
+
+bool SMESH_MeshEditor::AffectedElemGroupsInRegion( const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ const TopoDS_Shape& theShape,
+ TIDSortedElemSet& theAffectedElems)
+{
+ if ( theShape.IsNull() )
+ return false;
+
+ const double aTol = Precision::Confusion();
+ auto_ptr< BRepClass3d_SolidClassifier> bsc3d;
+ auto_ptr<_FaceClassifier> aFaceClassifier;
+ if ( theShape.ShapeType() == TopAbs_SOLID )
+ {
+ bsc3d.reset( new BRepClass3d_SolidClassifier(theShape));;
+ bsc3d->PerformInfinitePoint(aTol);
+ }
+ else if (theShape.ShapeType() == TopAbs_FACE )
+ {
+ aFaceClassifier.reset( new _FaceClassifier(TopoDS::Face(theShape)));
+ }
+
+ // iterates on indicated elements and get elements by back references from their nodes
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
+ for ( ; elemItr != theElems.end(); ++elemItr )
+ {
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
+ if (!anElem)
+ continue;
+
+ SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
+ while ( nodeItr->more() )
+ {
+ const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
+ if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
+ continue;
+ SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
+ while ( backElemItr->more() )
+ {
+ const SMDS_MeshElement* curElem = backElemItr->next();
+ if ( curElem && theElems.find(curElem) == theElems.end() &&
+ ( bsc3d.get() ?
+ isInside( curElem, *bsc3d, aTol ) :
+ isInside( curElem, *aFaceClassifier, aTol )))
+ theAffectedElems.insert( curElem );
+ }
+ }
+ }
+ return true;
+}
+
+//================================================================================
+/*!
+ \brief Creates a hole in a mesh by doubling the nodes of some particular elements
+ \param theElems - group of of elements (edges or faces) to be replicated
+ \param theNodesNot - group of nodes not to replicate
+ \param theShape - shape to detect affected elements (element which geometric center
+ located on or inside shape).
+ The replicated nodes should be associated to affected elements.
+ \return TRUE if operation has been completed successfully, FALSE otherwise
+*/
+//================================================================================
- TNodeNodeMap nReplaceMap; // bind a node to remove to a node to put instead
- if ( theFirstNode1 != theFirstNode2 )
- nReplaceMap.insert( TNodeNodeMap::value_type( theFirstNode1, theFirstNode2 ));
- if ( theSecondNode1 != theSecondNode2 )
- nReplaceMap.insert( TNodeNodeMap::value_type( theSecondNode1, theSecondNode2 ));
+bool SMESH_MeshEditor::DoubleNodesInRegion( const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ const TopoDS_Shape& theShape )
+{
+ if ( theShape.IsNull() )
+ return false;
- LinkID_Gen aLinkID_Gen( GetMeshDS() );
- set< long > linkIdSet; // links to process
- linkIdSet.insert( aLinkID_Gen.GetLinkID( theFirstNode1, theSecondNode1 ));
+ const double aTol = Precision::Confusion();
+ auto_ptr< BRepClass3d_SolidClassifier> bsc3d;
+ auto_ptr<_FaceClassifier> aFaceClassifier;
+ if ( theShape.ShapeType() == TopAbs_SOLID )
+ {
+ bsc3d.reset( new BRepClass3d_SolidClassifier(theShape));;
+ bsc3d->PerformInfinitePoint(aTol);
+ }
+ else if (theShape.ShapeType() == TopAbs_FACE )
+ {
+ aFaceClassifier.reset( new _FaceClassifier(TopoDS::Face(theShape)));
+ }
- typedef pair< const SMDS_MeshNode*, const SMDS_MeshNode* > NLink;
- list< NLink > linkList[2];
- linkList[0].push_back( NLink( theFirstNode1, theSecondNode1 ));
- linkList[1].push_back( NLink( theFirstNode2, theSecondNode2 ));
- // loop on links in linkList; find faces by links and append links
- // of the found faces to linkList
- list< NLink >::iterator linkIt[] = { linkList[0].begin(), linkList[1].begin() } ;
- for ( ; linkIt[0] != linkList[0].end(); linkIt[0]++, linkIt[1]++ ) {
- NLink link[] = { *linkIt[0], *linkIt[1] };
- long linkID = aLinkID_Gen.GetLinkID( link[0].first, link[0].second );
- if ( linkIdSet.find( linkID ) == linkIdSet.end() )
+ // iterates on indicated elements and get elements by back references from their nodes
+ TIDSortedElemSet anAffected;
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
+ for ( ; elemItr != theElems.end(); ++elemItr )
+ {
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
+ if (!anElem)
continue;
- // by links, find faces in the face sets,
- // and find indices of link nodes in the found faces;
- // in a face set, there is only one or no face sharing a link
- // ---------------------------------------------------------------
+ SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
+ while ( nodeItr->more() )
+ {
+ const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
+ if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
+ continue;
+ SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
+ while ( backElemItr->more() )
+ {
+ const SMDS_MeshElement* curElem = backElemItr->next();
+ if ( curElem && theElems.find(curElem) == theElems.end() &&
+ ( bsc3d.get() ?
+ isInside( curElem, *bsc3d, aTol ) :
+ isInside( curElem, *aFaceClassifier, aTol )))
+ anAffected.insert( curElem );
+ }
+ }
+ }
+ return DoubleNodes( theElems, theNodesNot, anAffected );
+}
- const SMDS_MeshElement* face[] = { 0, 0 };
- //const SMDS_MeshNode* faceNodes[ 2 ][ 5 ];
- vector<const SMDS_MeshNode*> fnodes1(9);
- vector<const SMDS_MeshNode*> fnodes2(9);
- //const SMDS_MeshNode* notLinkNodes[ 2 ][ 2 ] = {{ 0, 0 },{ 0, 0 }} ;
- vector<const SMDS_MeshNode*> notLinkNodes1(6);
- vector<const SMDS_MeshNode*> notLinkNodes2(6);
- int iLinkNode[2][2];
- for ( iSide = 0; iSide < 2; iSide++ ) { // loop on 2 sides
- const SMDS_MeshNode* n1 = link[iSide].first;
- const SMDS_MeshNode* n2 = link[iSide].second;
- set<const SMDS_MeshElement*> * faceSet = faceSetPtr[ iSide ];
- set< const SMDS_MeshElement* > fMap;
- for ( int i = 0; i < 2; i++ ) { // loop on 2 nodes of a link
- const SMDS_MeshNode* n = i ? n1 : n2; // a node of a link
- SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator(SMDSAbs_Face);
- while ( fIt->more() ) { // loop on faces sharing a node
- const SMDS_MeshElement* f = fIt->next();
- if (faceSet->find( f ) != faceSet->end() && // f is in face set
- ! fMap.insert( f ).second ) // f encounters twice
- {
- if ( face[ iSide ] ) {
- MESSAGE( "2 faces per link " );
- aResult = iSide ? SEW_BAD_SIDE2_NODES : SEW_BAD_SIDE1_NODES;
- break;
- }
- face[ iSide ] = f;
- faceSet->erase( f );
- // get face nodes and find ones of a link
- iNode = 0;
- int nbl = -1;
- if(f->IsPoly()) {
- if(iSide==0) {
- fnodes1.resize(f->NbNodes()+1);
- notLinkNodes1.resize(f->NbNodes()-2);
- }
- else {
- fnodes2.resize(f->NbNodes()+1);
- notLinkNodes2.resize(f->NbNodes()-2);
- }
- }
- if(!f->IsQuadratic()) {
- SMDS_ElemIteratorPtr nIt = f->nodesIterator();
- while ( nIt->more() ) {
- const SMDS_MeshNode* n =
- static_cast<const SMDS_MeshNode*>( nIt->next() );
- if ( n == n1 ) {
- iLinkNode[ iSide ][ 0 ] = iNode;
- }
- else if ( n == n2 ) {
- iLinkNode[ iSide ][ 1 ] = iNode;
- }
- //else if ( notLinkNodes[ iSide ][ 0 ] )
- // notLinkNodes[ iSide ][ 1 ] = n;
- //else
- // notLinkNodes[ iSide ][ 0 ] = n;
- else {
- nbl++;
- if(iSide==0)
- notLinkNodes1[nbl] = n;
- //notLinkNodes1.push_back(n);
- else
- notLinkNodes2[nbl] = n;
- //notLinkNodes2.push_back(n);
- }
- //faceNodes[ iSide ][ iNode++ ] = n;
- if(iSide==0) {
- fnodes1[iNode++] = n;
- }
- else {
- fnodes2[iNode++] = n;
+/*!
+ * \brief compute an oriented angle between two planes defined by four points.
+ * The vector (p0,p1) defines the intersection of the 2 planes (p0,p1,g1) and (p0,p1,g2)
+ * @param p0 base of the rotation axe
+ * @param p1 extremity of the rotation axe
+ * @param g1 belongs to the first plane
+ * @param g2 belongs to the second plane
+ */
+double SMESH_MeshEditor::OrientedAngle(const gp_Pnt& p0, const gp_Pnt& p1, const gp_Pnt& g1, const gp_Pnt& g2)
+{
+// MESSAGE(" p0: " << p0.X() << " " << p0.Y() << " " << p0.Z());
+// MESSAGE(" p1: " << p1.X() << " " << p1.Y() << " " << p1.Z());
+// MESSAGE(" g1: " << g1.X() << " " << g1.Y() << " " << g1.Z());
+// MESSAGE(" g2: " << g2.X() << " " << g2.Y() << " " << g2.Z());
+ gp_Vec vref(p0, p1);
+ gp_Vec v1(p0, g1);
+ gp_Vec v2(p0, g2);
+ gp_Vec n1 = vref.Crossed(v1);
+ gp_Vec n2 = vref.Crossed(v2);
+ return n2.AngleWithRef(n1, vref);
+}
+
+/*!
+ * \brief Double nodes on shared faces between groups of volumes and create flat elements on demand.
+ * The list of groups must describe a partition of the mesh volumes.
+ * The nodes of the internal faces at the boundaries of the groups are doubled.
+ * In option, the internal faces are replaced by flat elements.
+ * Triangles are transformed in prisms, and quadrangles in hexahedrons.
+ * The flat elements are stored in groups of volumes.
+ * @param theElems - list of groups of volumes, where a group of volume is a set of
+ * SMDS_MeshElements sorted by Id.
+ * @param createJointElems - if TRUE, create the elements
+ * @return TRUE if operation has been completed successfully, FALSE otherwise
+ */
+bool SMESH_MeshEditor::DoubleNodesOnGroupBoundaries( const std::vector<TIDSortedElemSet>& theElems,
+ bool createJointElems)
+{
+ MESSAGE("----------------------------------------------");
+ MESSAGE("SMESH_MeshEditor::doubleNodesOnGroupBoundaries");
+ MESSAGE("----------------------------------------------");
+
+ SMESHDS_Mesh *meshDS = this->myMesh->GetMeshDS();
+ meshDS->BuildDownWardConnectivity(true);
+ CHRONO(50);
+ SMDS_UnstructuredGrid *grid = meshDS->getGrid();
+
+ // --- build the list of faces shared by 2 domains (group of elements), with their domain and volume indexes
+ // build the list of cells with only a node or an edge on the border, with their domain and volume indexes
+ // build the list of nodes shared by 2 or more domains, with their domain indexes
+
+ std::map<DownIdType, std::map<int,int>, DownIdCompare> faceDomains; // face --> (id domain --> id volume)
+ std::map<int,int>celldom; // cell vtkId --> domain
+ std::map<DownIdType, std::map<int,int>, DownIdCompare> cellDomains; // oldNode --> (id domain --> id cell)
+ std::map<int, std::map<int,int> > nodeDomains; // oldId --> (domainId --> newId)
+ faceDomains.clear();
+ celldom.clear();
+ cellDomains.clear();
+ nodeDomains.clear();
+ std::map<int,int> emptyMap;
+ std::set<int> emptySet;
+ emptyMap.clear();
+
+ for (int idom = 0; idom < theElems.size(); idom++)
+ {
+
+ // --- build a map (face to duplicate --> volume to modify)
+ // with all the faces shared by 2 domains (group of elements)
+ // and corresponding volume of this domain, for each shared face.
+ // a volume has a face shared by 2 domains if it has a neighbor which is not in his domain.
+
+ //MESSAGE("Domain " << idom);
+ const TIDSortedElemSet& domain = theElems[idom];
+ TIDSortedElemSet::const_iterator elemItr = domain.begin();
+ for (; elemItr != domain.end(); ++elemItr)
+ {
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*) *elemItr;
+ if (!anElem)
+ continue;
+ int vtkId = anElem->getVtkId();
+ //MESSAGE(" vtkId " << vtkId << " smdsId " << anElem->GetID());
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ {
+ int smdsId = meshDS->fromVtkToSmds(neighborsVtkIds[n]);
+ const SMDS_MeshElement* elem = meshDS->FindElement(smdsId);
+ if (! domain.count(elem)) // neighbor is in another domain : face is shared
+ {
+ DownIdType face(downIds[n], downTypes[n]);
+ if (!faceDomains.count(face))
+ faceDomains[face] = emptyMap; // create an empty entry for face
+ if (!faceDomains[face].count(idom))
+ {
+ faceDomains[face][idom] = vtkId; // volume associated to face in this domain
+ celldom[vtkId] = idom;
+ //MESSAGE(" cell with a border " << vtkId << " domain " << idom);
+ }
}
- }
}
- else { // f->IsQuadratic()
- const SMDS_QuadraticFaceOfNodes* F =
- static_cast<const SMDS_QuadraticFaceOfNodes*>(f);
- // use special nodes iterator
- SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
- while ( anIter->more() ) {
- const SMDS_MeshNode* n =
- static_cast<const SMDS_MeshNode*>( anIter->next() );
- if ( n == n1 ) {
- iLinkNode[ iSide ][ 0 ] = iNode;
- }
- else if ( n == n2 ) {
- iLinkNode[ iSide ][ 1 ] = iNode;
- }
- else {
- nbl++;
- if(iSide==0) {
- notLinkNodes1[nbl] = n;
- }
- else {
- notLinkNodes2[nbl] = n;
- }
+ }
+ }
+
+ //MESSAGE("Number of shared faces " << faceDomains.size());
+ std::map<DownIdType, std::map<int, int>, DownIdCompare>::iterator itface;
+
+ // --- explore the shared faces domain by domain,
+ // explore the nodes of the face and see if they belong to a cell in the domain,
+ // which has only a node or an edge on the border (not a shared face)
+
+ for (int idomain = 0; idomain < theElems.size(); idomain++)
+ {
+ //MESSAGE("Domain " << idomain);
+ const TIDSortedElemSet& domain = theElems[idomain];
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
+ {
+ std::map<int, int> domvol = itface->second;
+ if (!domvol.count(idomain))
+ continue;
+ DownIdType face = itface->first;
+ //MESSAGE(" --- face " << face.cellId);
+ std::set<int> oldNodes;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ std::set<int>::iterator itn = oldNodes.begin();
+ for (; itn != oldNodes.end(); ++itn)
+ {
+ int oldId = *itn;
+ //MESSAGE(" node " << oldId);
+ vtkCellLinks::Link l = grid->GetCellLinks()->GetLink(oldId);
+ for (int i=0; i<l.ncells; i++)
+ {
+ int vtkId = l.cells[i];
+ const SMDS_MeshElement* anElem = GetMeshDS()->FindElement(GetMeshDS()->fromVtkToSmds(vtkId));
+ if (!domain.count(anElem))
+ continue;
+ int vtkType = grid->GetCellType(vtkId);
+ int downId = grid->CellIdToDownId(vtkId);
+ if (downId < 0)
+ {
+ MESSAGE("doubleNodesOnGroupBoundaries: internal algorithm problem");
+ continue; // not OK at this stage of the algorithm:
+ //no cells created after BuildDownWardConnectivity
+ }
+ DownIdType aCell(downId, vtkType);
+ if (!cellDomains.count(aCell))
+ cellDomains[aCell] = emptyMap; // create an empty entry for cell
+ cellDomains[aCell][idomain] = vtkId;
+ celldom[vtkId] = idomain;
+ //MESSAGE(" cell " << vtkId << " domain " << idomain);
}
- if(iSide==0) {
- fnodes1[iNode++] = n;
+ }
+ }
+ }
+
+ // --- explore the shared faces domain by domain, to duplicate the nodes in a coherent way
+ // for each shared face, get the nodes
+ // for each node, for each domain of the face, create a clone of the node
+
+ // --- edges at the intersection of 3 or 4 domains, with the order of domains to build
+ // junction elements of type prism or hexa. the key is the pair of nodesId (lower first)
+ // the value is the ordered domain ids. (more than 4 domains not taken into account)
+
+ std::map<std::vector<int>, std::vector<int> > edgesMultiDomains; // nodes of edge --> ordered domains
+ std::map<int, std::vector<int> > mutipleNodes; // nodes multi domains with domain order
+ std::map<int, std::vector<int> > mutipleNodesToFace; // nodes multi domains with domain order to transform in Face (junction between 3 or more 2D domains)
+
+ for (int idomain = 0; idomain < theElems.size(); idomain++)
+ {
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
+ {
+ std::map<int, int> domvol = itface->second;
+ if (!domvol.count(idomain))
+ continue;
+ DownIdType face = itface->first;
+ //MESSAGE(" --- face " << face.cellId);
+ std::set<int> oldNodes;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ std::set<int>::iterator itn = oldNodes.begin();
+ for (; itn != oldNodes.end(); ++itn)
+ {
+ int oldId = *itn;
+ //MESSAGE("-+-+-a node " << oldId);
+ if (!nodeDomains.count(oldId))
+ nodeDomains[oldId] = emptyMap; // create an empty entry for node
+ if (nodeDomains[oldId].empty())
+ {
+ nodeDomains[oldId][idomain] = oldId; // keep the old node in the first domain
+ //MESSAGE("-+-+-b oldNode " << oldId << " domain " << idomain);
}
- else {
- fnodes2[iNode++] = n;
+ std::map<int, int>::iterator itdom = domvol.begin();
+ for (; itdom != domvol.end(); ++itdom)
+ {
+ int idom = itdom->first;
+ //MESSAGE(" domain " << idom);
+ if (!nodeDomains[oldId].count(idom)) // --- node to clone
+ {
+ if (nodeDomains[oldId].size() >= 2) // a multiple node
+ {
+ vector<int> orderedDoms;
+ //MESSAGE("multiple node " << oldId);
+ if (mutipleNodes.count(oldId))
+ orderedDoms = mutipleNodes[oldId];
+ else
+ {
+ map<int,int>::iterator it = nodeDomains[oldId].begin();
+ for (; it != nodeDomains[oldId].end(); ++it)
+ orderedDoms.push_back(it->first);
+ }
+ orderedDoms.push_back(idom); // TODO order ==> push_front or back
+ //stringstream txt;
+ //for (int i=0; i<orderedDoms.size(); i++)
+ // txt << orderedDoms[i] << " ";
+ //MESSAGE("orderedDoms " << txt.str());
+ mutipleNodes[oldId] = orderedDoms;
+ }
+ double *coords = grid->GetPoint(oldId);
+ SMDS_MeshNode *newNode = meshDS->AddNode(coords[0], coords[1], coords[2]);
+ int newId = newNode->getVtkId();
+ nodeDomains[oldId][idom] = newId; // cloned node for other domains
+ //MESSAGE("-+-+-c oldNode " << oldId << " domain " << idomain << " newNode " << newId << " domain " << idom << " size=" <<nodeDomains[oldId].size());
+ }
}
- }
}
- //faceNodes[ iSide ][ iNode ] = faceNodes[ iSide ][ 0 ];
- if(iSide==0) {
- fnodes1[iNode] = fnodes1[0];
+ }
+ }
+
+ for (int idomain = 0; idomain < theElems.size(); idomain++)
+ {
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
+ {
+ std::map<int, int> domvol = itface->second;
+ if (!domvol.count(idomain))
+ continue;
+ DownIdType face = itface->first;
+ //MESSAGE(" --- face " << face.cellId);
+ std::set<int> oldNodes;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ int nbMultipleNodes = 0;
+ std::set<int>::iterator itn = oldNodes.begin();
+ for (; itn != oldNodes.end(); ++itn)
+ {
+ int oldId = *itn;
+ if (mutipleNodes.count(oldId))
+ nbMultipleNodes++;
}
- else {
- fnodes2[iNode] = fnodes1[0];
+ if (nbMultipleNodes > 1) // check if an edge of the face is shared between 3 or more domains
+ {
+ //MESSAGE("multiple Nodes detected on a shared face");
+ int downId = itface->first.cellId;
+ unsigned char cellType = itface->first.cellType;
+ // --- shared edge or shared face ?
+ if ((cellType == VTK_LINE) || (cellType == VTK_QUADRATIC_EDGE)) // shared edge (between two faces)
+ {
+ int nodes[3];
+ int nbNodes = grid->getDownArray(cellType)->getNodes(downId, nodes);
+ for (int i=0; i< nbNodes; i=i+nbNodes-1) // i=0 , i=nbNodes-1
+ if (mutipleNodes.count(nodes[i]))
+ if (!mutipleNodesToFace.count(nodes[i]))
+ mutipleNodesToFace[nodes[i]] = mutipleNodes[nodes[i]];
+ }
+ else // shared face (between two volumes)
+ {
+ int nbEdges = grid->getDownArray(cellType)->getNumberOfDownCells(downId);
+ const int* downEdgeIds = grid->getDownArray(cellType)->getDownCells(downId);
+ const unsigned char* edgeType = grid->getDownArray(cellType)->getDownTypes(downId);
+ for (int ie =0; ie < nbEdges; ie++)
+ {
+ int nodes[3];
+ int nbNodes = grid->getDownArray(edgeType[ie])->getNodes(downEdgeIds[ie], nodes);
+ if (mutipleNodes.count(nodes[0]) && mutipleNodes.count(nodes[nbNodes-1]))
+ {
+ vector<int> vn0 = mutipleNodes[nodes[0]];
+ vector<int> vn1 = mutipleNodes[nodes[nbNodes - 1]];
+ vector<int> doms;
+ for (int i0 = 0; i0 < vn0.size(); i0++)
+ for (int i1 = 0; i1 < vn1.size(); i1++)
+ if (vn0[i0] == vn1[i1])
+ doms.push_back(vn0[i0]);
+ if (doms.size() >2)
+ {
+ //MESSAGE(" detect edgesMultiDomains " << nodes[0] << " " << nodes[nbNodes - 1]);
+ double *coords = grid->GetPoint(nodes[0]);
+ gp_Pnt p0(coords[0], coords[1], coords[2]);
+ coords = grid->GetPoint(nodes[nbNodes - 1]);
+ gp_Pnt p1(coords[0], coords[1], coords[2]);
+ gp_Pnt gref;
+ int vtkVolIds[1000]; // an edge can belong to a lot of volumes
+ map<int, SMDS_VtkVolume*> domvol; // domain --> a volume with the edge
+ map<int, double> angleDom; // oriented angles between planes defined by edge and volume centers
+ int nbvol = grid->GetParentVolumes(vtkVolIds, downEdgeIds[ie], edgeType[ie]);
+ for (int id=0; id < doms.size(); id++)
+ {
+ int idom = doms[id];
+ for (int ivol=0; ivol<nbvol; ivol++)
+ {
+ int smdsId = meshDS->fromVtkToSmds(vtkVolIds[ivol]);
+ SMDS_MeshElement* elem = (SMDS_MeshElement*)meshDS->FindElement(smdsId);
+ if (theElems[idom].count(elem))
+ {
+ SMDS_VtkVolume* svol = dynamic_cast<SMDS_VtkVolume*>(elem);
+ domvol[idom] = svol;
+ //MESSAGE(" domain " << idom << " volume " << elem->GetID());
+ double values[3];
+ vtkIdType npts = 0;
+ vtkIdType* pts = 0;
+ grid->GetCellPoints(vtkVolIds[ivol], npts, pts);
+ SMDS_VtkVolume::gravityCenter(grid, pts, npts, values);
+ if (id ==0)
+ {
+ gref.SetXYZ(gp_XYZ(values[0], values[1], values[2]));
+ angleDom[idom] = 0;
+ }
+ else
+ {
+ gp_Pnt g(values[0], values[1], values[2]);
+ angleDom[idom] = OrientedAngle(p0, p1, gref, g); // -pi<angle<+pi
+ //MESSAGE(" angle=" << angleDom[idom]);
+ }
+ break;
+ }
+ }
+ }
+ map<double, int> sortedDom; // sort domains by angle
+ for (map<int, double>::iterator ia = angleDom.begin(); ia != angleDom.end(); ++ia)
+ sortedDom[ia->second] = ia->first;
+ vector<int> vnodes;
+ vector<int> vdom;
+ for (map<double, int>::iterator ib = sortedDom.begin(); ib != sortedDom.end(); ++ib)
+ {
+ vdom.push_back(ib->second);
+ //MESSAGE(" ordered domain " << ib->second << " angle " << ib->first);
+ }
+ for (int ino = 0; ino < nbNodes; ino++)
+ vnodes.push_back(nodes[ino]);
+ edgesMultiDomains[vnodes] = vdom; // nodes vector --> ordered domains
+ }
+ }
+ }
+ }
}
- }
}
- }
}
- // check similarity of elements of the sides
- if (aResult == SEW_OK && ( face[0] && !face[1] ) || ( !face[0] && face[1] )) {
- MESSAGE("Correspondent face not found on side " << ( face[0] ? 1 : 0 ));
- if ( nReplaceMap.size() == 2 ) { // faces on input nodes not found
- aResult = ( face[0] ? SEW_BAD_SIDE2_NODES : SEW_BAD_SIDE1_NODES );
- }
- else {
- aResult = SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
- }
- break; // do not return because it s necessary to remove tmp faces
- }
+ // --- iterate on shared faces (volumes to modify, face to extrude)
+ // get node id's of the face (id SMDS = id VTK)
+ // create flat element with old and new nodes if requested
- // set nodes to merge
- // -------------------
+ // --- new quad nodes on flat quad elements: oldId --> ((domain1 X domain2) --> newId)
+ // (domain1 X domain2) = domain1 + MAXINT*domain2
- if ( face[0] && face[1] ) {
- int nbNodes = face[0]->NbNodes();
- if ( nbNodes != face[1]->NbNodes() ) {
- MESSAGE("Diff nb of face nodes");
- aResult = SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
- break; // do not return because it s necessary to remove tmp faces
- }
- bool reverse[] = { false, false }; // order of notLinkNodes of quadrangle
- if ( nbNodes == 3 ) {
- //nReplaceMap.insert( TNodeNodeMap::value_type
- // ( notLinkNodes[0][0], notLinkNodes[1][0] ));
- nReplaceMap.insert( TNodeNodeMap::value_type
- ( notLinkNodes1[0], notLinkNodes2[0] ));
- }
- else {
- for ( iSide = 0; iSide < 2; iSide++ ) { // loop on 2 sides
- // analyse link orientation in faces
- int i1 = iLinkNode[ iSide ][ 0 ];
- int i2 = iLinkNode[ iSide ][ 1 ];
- reverse[ iSide ] = Abs( i1 - i2 ) == 1 ? i1 > i2 : i2 > i1;
- // if notLinkNodes are the first and the last ones, then
- // their order does not correspond to the link orientation
- if (( i1 == 1 && i2 == 2 ) ||
- ( i1 == 2 && i2 == 1 ))
- reverse[ iSide ] = !reverse[ iSide ];
- }
- if ( reverse[0] == reverse[1] ) {
- //nReplaceMap.insert( TNodeNodeMap::value_type
- // ( notLinkNodes[0][0], notLinkNodes[1][0] ));
- //nReplaceMap.insert( TNodeNodeMap::value_type
- // ( notLinkNodes[0][1], notLinkNodes[1][1] ));
- for(int nn=0; nn<nbNodes-2; nn++) {
- nReplaceMap.insert( TNodeNodeMap::value_type
- ( notLinkNodes1[nn], notLinkNodes2[nn] ));
- }
+ std::map<int, std::map<long,int> > nodeQuadDomains;
+ std::map<std::string, SMESH_Group*> mapOfJunctionGroups;
+
+ if (createJointElems)
+ {
+ int idg;
+ string joints2DName = "joints2D";
+ mapOfJunctionGroups[joints2DName] = this->myMesh->AddGroup(SMDSAbs_Face, joints2DName.c_str(), idg);
+ SMESHDS_Group *joints2DGrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[joints2DName]->GetGroupDS());
+ string joints3DName = "joints3D";
+ mapOfJunctionGroups[joints3DName] = this->myMesh->AddGroup(SMDSAbs_Volume, joints3DName.c_str(), idg);
+ SMESHDS_Group *joints3DGrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[joints3DName]->GetGroupDS());
+
+ itface = faceDomains.begin();
+ for (; itface != faceDomains.end(); ++itface)
+ {
+ DownIdType face = itface->first;
+ std::set<int> oldNodes;
+ std::set<int>::iterator itn;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+
+ std::map<int, int> domvol = itface->second;
+ std::map<int, int>::iterator itdom = domvol.begin();
+ int dom1 = itdom->first;
+ int vtkVolId = itdom->second;
+ itdom++;
+ int dom2 = itdom->first;
+ SMDS_MeshCell *vol = grid->extrudeVolumeFromFace(vtkVolId, dom1, dom2, oldNodes, nodeDomains,
+ nodeQuadDomains);
+ stringstream grpname;
+ grpname << "j_";
+ if (dom1 < dom2)
+ grpname << dom1 << "_" << dom2;
+ else
+ grpname << dom2 << "_" << dom1;
+ string namegrp = grpname.str();
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(vol->GetType(), namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(vol->GetID());
+ if (vol->GetType() == SMDSAbs_Volume)
+ joints3DGrp->Add(vol->GetID());
+ else if (vol->GetType() == SMDSAbs_Face)
+ joints2DGrp->Add(vol->GetID());
}
- else {
- //nReplaceMap.insert( TNodeNodeMap::value_type
- // ( notLinkNodes[0][0], notLinkNodes[1][1] ));
- //nReplaceMap.insert( TNodeNodeMap::value_type
- // ( notLinkNodes[0][1], notLinkNodes[1][0] ));
- for(int nn=0; nn<nbNodes-2; nn++) {
- nReplaceMap.insert( TNodeNodeMap::value_type
- ( notLinkNodes1[nn], notLinkNodes2[nbNodes-3-nn] ));
- }
+ }
+
+ // --- create volumes on multiple domain intersection if requested
+ // iterate on mutipleNodesToFace
+ // iterate on edgesMultiDomains
+
+ if (createJointElems)
+ {
+ // --- iterate on mutipleNodesToFace
+
+ std::map<int, std::vector<int> >::iterator itn = mutipleNodesToFace.begin();
+ for (; itn != mutipleNodesToFace.end(); ++itn)
+ {
+ int node = itn->first;
+ vector<int> orderDom = itn->second;
+ vector<vtkIdType> orderedNodes;
+ for (int idom = 0; idom <orderDom.size(); idom++)
+ orderedNodes.push_back( nodeDomains[node][orderDom[idom]] );
+ SMDS_MeshFace* face = this->GetMeshDS()->AddFaceFromVtkIds(orderedNodes);
+
+ stringstream grpname;
+ grpname << "m2j_";
+ grpname << 0 << "_" << 0;
+ int idg;
+ string namegrp = grpname.str();
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Face, namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(face->GetID());
+ }
+
+ // --- iterate on edgesMultiDomains
+
+ std::map<std::vector<int>, std::vector<int> >::iterator ite = edgesMultiDomains.begin();
+ for (; ite != edgesMultiDomains.end(); ++ite)
+ {
+ vector<int> nodes = ite->first;
+ vector<int> orderDom = ite->second;
+ vector<vtkIdType> orderedNodes;
+ if (nodes.size() == 2)
+ {
+ //MESSAGE(" use edgesMultiDomains " << nodes[0] << " " << nodes[1]);
+ for (int ino=0; ino < nodes.size(); ino++)
+ if (orderDom.size() == 3)
+ for (int idom = 0; idom <orderDom.size(); idom++)
+ orderedNodes.push_back( nodeDomains[nodes[ino]][orderDom[idom]] );
+ else
+ for (int idom = orderDom.size()-1; idom >=0; idom--)
+ orderedNodes.push_back( nodeDomains[nodes[ino]][orderDom[idom]] );
+ SMDS_MeshVolume* vol = this->GetMeshDS()->AddVolumeFromVtkIds(orderedNodes);
+
+ int idg;
+ string namegrp = "jointsMultiples";
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Volume, namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(vol->GetID());
+ }
+ else
+ {
+ INFOS("Quadratic multiple joints not implemented");
+ // TODO quadratic nodes
+ }
}
- }
+ }
- // add other links of the faces to linkList
- // -----------------------------------------
+ // --- list the explicit faces and edges of the mesh that need to be modified,
+ // i.e. faces and edges built with one or more duplicated nodes.
+ // associate these faces or edges to their corresponding domain.
+ // only the first domain found is kept when a face or edge is shared
- //const SMDS_MeshNode** nodes = faceNodes[ 0 ];
- for ( iNode = 0; iNode < nbNodes; iNode++ ) {
- //linkID = aLinkID_Gen.GetLinkID( nodes[iNode], nodes[iNode+1] );
- linkID = aLinkID_Gen.GetLinkID( fnodes1[iNode], fnodes1[iNode+1] );
- pair< set<long>::iterator, bool > iter_isnew = linkIdSet.insert( linkID );
- if ( !iter_isnew.second ) { // already in a set: no need to process
- linkIdSet.erase( iter_isnew.first );
+ std::map<DownIdType, std::map<int,int>, DownIdCompare> faceOrEdgeDom; // cellToModify --> (id domain --> id cell)
+ std::map<int,int> feDom; // vtk id of cell to modify --> id domain
+ faceOrEdgeDom.clear();
+ feDom.clear();
+
+ for (int idomain = 0; idomain < theElems.size(); idomain++)
+ {
+ std::map<int, std::map<int, int> >::const_iterator itnod = nodeDomains.begin();
+ for (; itnod != nodeDomains.end(); ++itnod)
+ {
+ int oldId = itnod->first;
+ //MESSAGE(" node " << oldId);
+ vtkCellLinks::Link l = grid->GetCellLinks()->GetLink(oldId);
+ for (int i = 0; i < l.ncells; i++)
+ {
+ int vtkId = l.cells[i];
+ int vtkType = grid->GetCellType(vtkId);
+ int downId = grid->CellIdToDownId(vtkId);
+ if (downId < 0)
+ continue; // new cells: not to be modified
+ DownIdType aCell(downId, vtkType);
+ int volParents[1000];
+ int nbvol = grid->GetParentVolumes(volParents, vtkId);
+ for (int j = 0; j < nbvol; j++)
+ if (celldom.count(volParents[j]) && (celldom[volParents[j]] == idomain))
+ if (!feDom.count(vtkId))
+ {
+ feDom[vtkId] = idomain;
+ faceOrEdgeDom[aCell] = emptyMap;
+ faceOrEdgeDom[aCell][idomain] = vtkId; // affect face or edge to the first domain only
+ //MESSAGE("affect cell " << this->GetMeshDS()->fromVtkToSmds(vtkId) << " domain " << idomain
+ // << " type " << vtkType << " downId " << downId);
+ }
+ }
}
- else // new in set == encountered for the first time: add
+ }
+
+ // --- iterate on shared faces (volumes to modify, face to extrude)
+ // get node id's of the face
+ // replace old nodes by new nodes in volumes, and update inverse connectivity
+
+ std::map<DownIdType, std::map<int,int>, DownIdCompare>* maps[3] = {&faceDomains, &cellDomains, &faceOrEdgeDom};
+ for (int m=0; m<3; m++)
+ {
+ std::map<DownIdType, std::map<int,int>, DownIdCompare>* amap = maps[m];
+ itface = (*amap).begin();
+ for (; itface != (*amap).end(); ++itface)
{
- //const SMDS_MeshNode* n1 = nodes[ iNode ];
- //const SMDS_MeshNode* n2 = nodes[ iNode + 1];
- const SMDS_MeshNode* n1 = fnodes1[ iNode ];
- const SMDS_MeshNode* n2 = fnodes1[ iNode + 1];
- linkList[0].push_back ( NLink( n1, n2 ));
- linkList[1].push_back ( NLink( nReplaceMap[n1], nReplaceMap[n2] ));
+ DownIdType face = itface->first;
+ std::set<int> oldNodes;
+ std::set<int>::iterator itn;
+ oldNodes.clear();
+ grid->GetNodeIds(oldNodes, face.cellId, face.cellType);
+ //MESSAGE("examine cell, downId " << face.cellId << " type " << int(face.cellType));
+ std::map<int, int> localClonedNodeIds;
+
+ std::map<int, int> domvol = itface->second;
+ std::map<int, int>::iterator itdom = domvol.begin();
+ for (; itdom != domvol.end(); ++itdom)
+ {
+ int idom = itdom->first;
+ int vtkVolId = itdom->second;
+ //MESSAGE("modify nodes of cell " << this->GetMeshDS()->fromVtkToSmds(vtkVolId) << " domain " << idom);
+ localClonedNodeIds.clear();
+ for (itn = oldNodes.begin(); itn != oldNodes.end(); ++itn)
+ {
+ int oldId = *itn;
+ if (nodeDomains[oldId].count(idom))
+ {
+ localClonedNodeIds[oldId] = nodeDomains[oldId][idom];
+ //MESSAGE(" node " << oldId << " --> " << localClonedNodeIds[oldId]);
+ }
+ }
+ meshDS->ModifyCellNodes(vtkVolId, localClonedNodeIds);
+ }
}
- }
- } // 2 faces found
- } // loop on link lists
+ }
+
+ meshDS->CleanDownWardConnectivity(); // Mesh has been modified, downward connectivity is no more usable, free memory
+ grid->BuildLinks();
+
+ CHRONOSTOP(50);
+ counters::stats();
+ return true;
+}
+
+/*!
+ * \brief Double nodes on some external faces and create flat elements.
+ * Flat elements are mainly used by some types of mechanic calculations.
+ *
+ * Each group of the list must be constituted of faces.
+ * Triangles are transformed in prisms, and quadrangles in hexahedrons.
+ * @param theElems - list of groups of faces, where a group of faces is a set of
+ * SMDS_MeshElements sorted by Id.
+ * @return TRUE if operation has been completed successfully, FALSE otherwise
+ */
+bool SMESH_MeshEditor::CreateFlatElementsOnFacesGroups(const std::vector<TIDSortedElemSet>& theElems)
+{
+ MESSAGE("-------------------------------------------------");
+ MESSAGE("SMESH_MeshEditor::CreateFlatElementsOnFacesGroups");
+ MESSAGE("-------------------------------------------------");
+
+ SMESHDS_Mesh *meshDS = this->myMesh->GetMeshDS();
+
+ // --- For each group of faces
+ // duplicate the nodes, create a flat element based on the face
+ // replace the nodes of the faces by their clones
+
+ std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> clonedNodes;
+ std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> intermediateNodes;
+ clonedNodes.clear();
+ intermediateNodes.clear();
+ std::map<std::string, SMESH_Group*> mapOfJunctionGroups;
+ mapOfJunctionGroups.clear();
+
+ for (int idom = 0; idom < theElems.size(); idom++)
+ {
+ const TIDSortedElemSet& domain = theElems[idom];
+ TIDSortedElemSet::const_iterator elemItr = domain.begin();
+ for (; elemItr != domain.end(); ++elemItr)
+ {
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*) *elemItr;
+ SMDS_MeshFace* aFace = dynamic_cast<SMDS_MeshFace*> (anElem);
+ if (!aFace)
+ continue;
+ // MESSAGE("aFace=" << aFace->GetID());
+ bool isQuad = aFace->IsQuadratic();
+ vector<const SMDS_MeshNode*> ln0, ln1, ln2, ln3, ln4;
+
+ // --- clone the nodes, create intermediate nodes for non medium nodes of a quad face
+
+ SMDS_ElemIteratorPtr nodeIt = aFace->nodesIterator();
+ while (nodeIt->more())
+ {
+ const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*> (nodeIt->next());
+ bool isMedium = isQuad && (aFace->IsMediumNode(node));
+ if (isMedium)
+ ln2.push_back(node);
+ else
+ ln0.push_back(node);
+
+ const SMDS_MeshNode* clone = 0;
+ if (!clonedNodes.count(node))
+ {
+ clone = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ clonedNodes[node] = clone;
+ }
+ else
+ clone = clonedNodes[node];
+
+ if (isMedium)
+ ln3.push_back(clone);
+ else
+ ln1.push_back(clone);
+
+ const SMDS_MeshNode* inter = 0;
+ if (isQuad && (!isMedium))
+ {
+ if (!intermediateNodes.count(node))
+ {
+ inter = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ intermediateNodes[node] = inter;
+ }
+ else
+ inter = intermediateNodes[node];
+ ln4.push_back(inter);
+ }
+ }
- if ( aResult == SEW_OK &&
- ( linkIt[0] != linkList[0].end() ||
- !faceSetPtr[0]->empty() || !faceSetPtr[1]->empty() )) {
- MESSAGE( (linkIt[0] != linkList[0].end()) <<" "<< (faceSetPtr[0]->empty()) <<
- " " << (faceSetPtr[1]->empty()));
- aResult = SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
- }
+ // --- extrude the face
- // ====================================================================
- // 3. Replace nodes in elements of the side 1 and remove replaced nodes
- // ====================================================================
+ vector<const SMDS_MeshNode*> ln;
+ SMDS_MeshVolume* vol = 0;
+ vtkIdType aType = aFace->GetVtkType();
+ switch (aType)
+ {
+ case VTK_TRIANGLE:
+ vol = meshDS->AddVolume(ln0[2], ln0[1], ln0[0], ln1[2], ln1[1], ln1[0]);
+ // MESSAGE("vol prism " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ break;
+ case VTK_QUAD:
+ vol = meshDS->AddVolume(ln0[3], ln0[2], ln0[1], ln0[0], ln1[3], ln1[2], ln1[1], ln1[0]);
+ // MESSAGE("vol hexa " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ ln.push_back(ln1[3]);
+ break;
+ case VTK_QUADRATIC_TRIANGLE:
+ vol = meshDS->AddVolume(ln1[0], ln1[1], ln1[2], ln0[0], ln0[1], ln0[2], ln3[0], ln3[1], ln3[2],
+ ln2[0], ln2[1], ln2[2], ln4[0], ln4[1], ln4[2]);
+ // MESSAGE("vol quad prism " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ ln.push_back(ln3[0]);
+ ln.push_back(ln3[1]);
+ ln.push_back(ln3[2]);
+ break;
+ case VTK_QUADRATIC_QUAD:
+// vol = meshDS->AddVolume(ln0[0], ln0[1], ln0[2], ln0[3], ln1[0], ln1[1], ln1[2], ln1[3],
+// ln2[0], ln2[1], ln2[2], ln2[3], ln3[0], ln3[1], ln3[2], ln3[3],
+// ln4[0], ln4[1], ln4[2], ln4[3]);
+ vol = meshDS->AddVolume(ln1[0], ln1[1], ln1[2], ln1[3], ln0[0], ln0[1], ln0[2], ln0[3],
+ ln3[0], ln3[1], ln3[2], ln3[3], ln2[0], ln2[1], ln2[2], ln2[3],
+ ln4[0], ln4[1], ln4[2], ln4[3]);
+ // MESSAGE("vol quad hexa " << vol->GetID());
+ ln.push_back(ln1[0]);
+ ln.push_back(ln1[1]);
+ ln.push_back(ln1[2]);
+ ln.push_back(ln1[3]);
+ ln.push_back(ln3[0]);
+ ln.push_back(ln3[1]);
+ ln.push_back(ln3[2]);
+ ln.push_back(ln3[3]);
+ break;
+ case VTK_POLYGON:
+ break;
+ default:
+ break;
+ }
- // delete temporary faces: they are in reverseElements of actual nodes
- SMDS_FaceIteratorPtr tmpFaceIt = aTmpFacesMesh.facesIterator();
- while ( tmpFaceIt->more() )
- aTmpFacesMesh.RemoveElement( tmpFaceIt->next() );
+ if (vol)
+ {
+ stringstream grpname;
+ grpname << "jf_";
+ grpname << idom;
+ int idg;
+ string namegrp = grpname.str();
+ if (!mapOfJunctionGroups.count(namegrp))
+ mapOfJunctionGroups[namegrp] = this->myMesh->AddGroup(SMDSAbs_Volume, namegrp.c_str(), idg);
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(mapOfJunctionGroups[namegrp]->GetGroupDS());
+ if (sgrp)
+ sgrp->Add(vol->GetID());
+ }
- if ( aResult != SEW_OK)
- return aResult;
+ // --- modify the face
- list< int > nodeIDsToRemove/*, elemIDsToRemove*/;
- // loop on nodes replacement map
- TNodeNodeMap::iterator nReplaceMapIt = nReplaceMap.begin(), nnIt;
- for ( ; nReplaceMapIt != nReplaceMap.end(); nReplaceMapIt++ )
- if ( (*nReplaceMapIt).first != (*nReplaceMapIt).second ) {
- const SMDS_MeshNode* nToRemove = (*nReplaceMapIt).first;
- nodeIDsToRemove.push_back( nToRemove->GetID() );
- // loop on elements sharing nToRemove
- SMDS_ElemIteratorPtr invElemIt = nToRemove->GetInverseElementIterator();
- while ( invElemIt->more() ) {
- const SMDS_MeshElement* e = invElemIt->next();
- // get a new suite of nodes: make replacement
- int nbReplaced = 0, i = 0, nbNodes = e->NbNodes();
- vector< const SMDS_MeshNode*> nodes( nbNodes );
- SMDS_ElemIteratorPtr nIt = e->nodesIterator();
- while ( nIt->more() ) {
- const SMDS_MeshNode* n =
- static_cast<const SMDS_MeshNode*>( nIt->next() );
- nnIt = nReplaceMap.find( n );
- if ( nnIt != nReplaceMap.end() ) {
- nbReplaced++;
- n = (*nnIt).second;
- }
- nodes[ i++ ] = n;
+ aFace->ChangeNodes(&ln[0], ln.size());
}
- // if ( nbReplaced == nbNodes && e->GetType() == SMDSAbs_Face )
- // elemIDsToRemove.push_back( e->GetID() );
- // else
- if ( nbReplaced )
- aMesh->ChangeElementNodes( e, & nodes[0], nbNodes );
- }
}
-
- Remove( nodeIDsToRemove, true );
-
- return aResult;
+ return true;
}
-//================================================================================
/*!
- * \brief Find corresponding nodes in two sets of faces
- * \param theSide1 - first face set
- * \param theSide2 - second first face
- * \param theFirstNode1 - a boundary node of set 1
- * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
- * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
- * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
- * \param nReplaceMap - output map of corresponding nodes
- * \retval bool - is a success or not
+ * \brief identify all the elements around a geom shape, get the faces delimiting the hole
+ * Build groups of volume to remove, groups of faces to replace on the skin of the object,
+ * groups of faces to remove inside the object, (idem edges).
+ * Build ordered list of nodes at the border of each group of faces to replace (to be used to build a geom subshape)
*/
-//================================================================================
-
-#ifdef _DEBUG_
-//#define DEBUG_MATCHING_NODES
-#endif
-
-SMESH_MeshEditor::Sew_Error
-SMESH_MeshEditor::FindMatchingNodes(set<const SMDS_MeshElement*>& theSide1,
- set<const SMDS_MeshElement*>& theSide2,
- const SMDS_MeshNode* theFirstNode1,
- const SMDS_MeshNode* theFirstNode2,
- const SMDS_MeshNode* theSecondNode1,
- const SMDS_MeshNode* theSecondNode2,
- TNodeNodeMap & nReplaceMap)
+void SMESH_MeshEditor::CreateHoleSkin(double radius,
+ const TopoDS_Shape& theShape,
+ SMESH_NodeSearcher* theNodeSearcher,
+ const char* groupName,
+ std::vector<double>& nodesCoords,
+ std::vector<std::vector<int> >& listOfListOfNodes)
{
- set<const SMDS_MeshElement*> * faceSetPtr[] = { &theSide1, &theSide2 };
+ MESSAGE("--------------------------------");
+ MESSAGE("SMESH_MeshEditor::CreateHoleSkin");
+ MESSAGE("--------------------------------");
+
+ // --- zone of volumes to remove is given :
+ // 1 either by a geom shape (one or more vertices) and a radius,
+ // 2 either by a group of nodes (representative of the shape)to use with the radius,
+ // 3 either by a group of nodes where all the elements build on one of this nodes are to remove,
+ // In the case 2, the group of nodes is an external group of nodes from another mesh,
+ // In the case 3, the group of nodes is an internal group of the mesh (obtained for instance by a filter),
+ // defined by it's name.
+
+ SMESHDS_GroupBase* groupDS = 0;
+ SMESH_Mesh::GroupIteratorPtr groupIt = this->myMesh->GetGroups();
+ while ( groupIt->more() )
+ {
+ groupDS = 0;
+ SMESH_Group * group = groupIt->next();
+ if ( !group ) continue;
+ groupDS = group->GetGroupDS();
+ if ( !groupDS || groupDS->IsEmpty() ) continue;
+ std::string grpName = group->GetName();
+ //MESSAGE("grpName=" << grpName);
+ if (grpName == groupName)
+ break;
+ else
+ groupDS = 0;
+ }
- nReplaceMap.clear();
- if ( theFirstNode1 != theFirstNode2 )
- nReplaceMap.insert( make_pair( theFirstNode1, theFirstNode2 ));
- if ( theSecondNode1 != theSecondNode2 )
- nReplaceMap.insert( make_pair( theSecondNode1, theSecondNode2 ));
+ bool isNodeGroup = false;
+ bool isNodeCoords = false;
+ if (groupDS)
+ {
+ if (groupDS->GetType() != SMDSAbs_Node)
+ return;
+ isNodeGroup = true; // a group of nodes exists and it is in this mesh
+ }
- set< SMESH_TLink > linkSet; // set of nodes where order of nodes is ignored
- linkSet.insert( SMESH_TLink( theFirstNode1, theSecondNode1 ));
+ if (nodesCoords.size() > 0)
+ isNodeCoords = true; // a list o nodes given by their coordinates
+ //MESSAGE("---" << isNodeGroup << " " << isNodeCoords);
- list< NLink > linkList[2];
- linkList[0].push_back( NLink( theFirstNode1, theSecondNode1 ));
- linkList[1].push_back( NLink( theFirstNode2, theSecondNode2 ));
+ // --- define groups to build
- // loop on links in linkList; find faces by links and append links
- // of the found faces to linkList
- list< NLink >::iterator linkIt[] = { linkList[0].begin(), linkList[1].begin() } ;
- for ( ; linkIt[0] != linkList[0].end(); linkIt[0]++, linkIt[1]++ ) {
- NLink link[] = { *linkIt[0], *linkIt[1] };
- if ( linkSet.find( link[0] ) == linkSet.end() )
- continue;
+ int idg; // --- group of SMDS volumes
+ string grpvName = groupName;
+ grpvName += "_vol";
+ SMESH_Group *grp = this->myMesh->AddGroup(SMDSAbs_Volume, grpvName.c_str(), idg);
+ if (!grp)
+ {
+ MESSAGE("group not created " << grpvName);
+ return;
+ }
+ SMESHDS_Group *sgrp = dynamic_cast<SMESHDS_Group*>(grp->GetGroupDS());
- // by links, find faces in the face sets,
- // and find indices of link nodes in the found faces;
- // in a face set, there is only one or no face sharing a link
- // ---------------------------------------------------------------
+ int idgs; // --- group of SMDS faces on the skin
+ string grpsName = groupName;
+ grpsName += "_skin";
+ SMESH_Group *grps = this->myMesh->AddGroup(SMDSAbs_Face, grpsName.c_str(), idgs);
+ if (!grps)
+ {
+ MESSAGE("group not created " << grpsName);
+ return;
+ }
+ SMESHDS_Group *sgrps = dynamic_cast<SMESHDS_Group*>(grps->GetGroupDS());
- const SMDS_MeshElement* face[] = { 0, 0 };
- list<const SMDS_MeshNode*> notLinkNodes[2];
- //bool reverse[] = { false, false }; // order of notLinkNodes
- int nbNodes[2];
- for ( int iSide = 0; iSide < 2; iSide++ ) // loop on 2 sides
+ int idgi; // --- group of SMDS faces internal (several shapes)
+ string grpiName = groupName;
+ grpiName += "_internalFaces";
+ SMESH_Group *grpi = this->myMesh->AddGroup(SMDSAbs_Face, grpiName.c_str(), idgi);
+ if (!grpi)
{
- const SMDS_MeshNode* n1 = link[iSide].first;
- const SMDS_MeshNode* n2 = link[iSide].second;
- set<const SMDS_MeshElement*> * faceSet = faceSetPtr[ iSide ];
- set< const SMDS_MeshElement* > facesOfNode1;
- for ( int iNode = 0; iNode < 2; iNode++ ) // loop on 2 nodes of a link
- {
- // during a loop of the first node, we find all faces around n1,
- // during a loop of the second node, we find one face sharing both n1 and n2
- const SMDS_MeshNode* n = iNode ? n1 : n2; // a node of a link
- SMDS_ElemIteratorPtr fIt = n->GetInverseElementIterator(SMDSAbs_Face);
- while ( fIt->more() ) { // loop on faces sharing a node
- const SMDS_MeshElement* f = fIt->next();
- if (faceSet->find( f ) != faceSet->end() && // f is in face set
- ! facesOfNode1.insert( f ).second ) // f encounters twice
- {
- if ( face[ iSide ] ) {
- MESSAGE( "2 faces per link " );
- return ( iSide ? SEW_BAD_SIDE2_NODES : SEW_BAD_SIDE1_NODES );
- }
- face[ iSide ] = f;
- faceSet->erase( f );
+ MESSAGE("group not created " << grpiName);
+ return;
+ }
+ SMESHDS_Group *sgrpi = dynamic_cast<SMESHDS_Group*>(grpi->GetGroupDS());
- // get not link nodes
- int nbN = f->NbNodes();
- if ( f->IsQuadratic() )
- nbN /= 2;
- nbNodes[ iSide ] = nbN;
- list< const SMDS_MeshNode* > & nodes = notLinkNodes[ iSide ];
- int i1 = f->GetNodeIndex( n1 );
- int i2 = f->GetNodeIndex( n2 );
- int iEnd = nbN, iBeg = -1, iDelta = 1;
- bool reverse = ( Abs( i1 - i2 ) == 1 ? i1 > i2 : i2 > i1 );
- if ( reverse ) {
- std::swap( iEnd, iBeg ); iDelta = -1;
- }
- int i = i2;
- while ( true ) {
- i += iDelta;
- if ( i == iEnd ) i = iBeg + iDelta;
- if ( i == i1 ) break;
- nodes.push_back ( f->GetNode( i ) );
+ int idgei; // --- group of SMDS faces internal (several shapes)
+ string grpeiName = groupName;
+ grpeiName += "_internalEdges";
+ SMESH_Group *grpei = this->myMesh->AddGroup(SMDSAbs_Edge, grpeiName.c_str(), idgei);
+ if (!grpei)
+ {
+ MESSAGE("group not created " << grpeiName);
+ return;
+ }
+ SMESHDS_Group *sgrpei = dynamic_cast<SMESHDS_Group*>(grpei->GetGroupDS());
+
+ // --- build downward connectivity
+
+ SMESHDS_Mesh *meshDS = this->myMesh->GetMeshDS();
+ meshDS->BuildDownWardConnectivity(true);
+ SMDS_UnstructuredGrid* grid = meshDS->getGrid();
+
+ // --- set of volumes detected inside
+
+ std::set<int> setOfInsideVol;
+ std::set<int> setOfVolToCheck;
+
+ std::vector<gp_Pnt> gpnts;
+ gpnts.clear();
+
+ if (isNodeGroup) // --- a group of nodes is provided : find all the volumes using one or more of this nodes
+ {
+ MESSAGE("group of nodes provided");
+ SMDS_ElemIteratorPtr elemIt = groupDS->GetElements();
+ while ( elemIt->more() )
+ {
+ const SMDS_MeshElement* elem = elemIt->next();
+ if (!elem)
+ continue;
+ const SMDS_MeshNode* node = dynamic_cast<const SMDS_MeshNode*>(elem);
+ if (!node)
+ continue;
+ SMDS_MeshElement* vol = 0;
+ SMDS_ElemIteratorPtr volItr = node->GetInverseElementIterator(SMDSAbs_Volume);
+ while (volItr->more())
+ {
+ vol = (SMDS_MeshElement*)volItr->next();
+ setOfInsideVol.insert(vol->getVtkId());
+ sgrp->Add(vol->GetID());
}
- }
}
- }
}
- // check similarity of elements of the sides
- if (( face[0] && !face[1] ) || ( !face[0] && face[1] )) {
- MESSAGE("Correspondent face not found on side " << ( face[0] ? 1 : 0 ));
- if ( nReplaceMap.size() == 2 ) { // faces on input nodes not found
- return ( face[0] ? SEW_BAD_SIDE2_NODES : SEW_BAD_SIDE1_NODES );
- }
- else {
- return SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
- }
+ else if (isNodeCoords)
+ {
+ MESSAGE("list of nodes coordinates provided");
+ int i = 0;
+ int k = 0;
+ while (i < nodesCoords.size()-2)
+ {
+ double x = nodesCoords[i++];
+ double y = nodesCoords[i++];
+ double z = nodesCoords[i++];
+ gp_Pnt p = gp_Pnt(x, y ,z);
+ gpnts.push_back(p);
+ MESSAGE("TopoDS_Vertex " << k++ << " " << p.X() << " " << p.Y() << " " << p.Z());
+ }
}
+ else // --- no group, no coordinates : use the vertices of the geom shape provided, and radius
+ {
+ MESSAGE("no group of nodes provided, using vertices from geom shape, and radius");
+ TopTools_IndexedMapOfShape vertexMap;
+ TopExp::MapShapes( theShape, TopAbs_VERTEX, vertexMap );
+ gp_Pnt p = gp_Pnt(0,0,0);
+ if (vertexMap.Extent() < 1)
+ return;
- // set nodes to merge
- // -------------------
-
- if ( face[0] && face[1] ) {
- if ( nbNodes[0] != nbNodes[1] ) {
- MESSAGE("Diff nb of face nodes");
- return SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
- }
-#ifdef DEBUG_MATCHING_NODES
- MESSAGE ( " Link 1: " << link[0].first->GetID() <<" "<< link[0].second->GetID()
- << " F 1: " << face[0] << "| Link 2: " << link[1].first->GetID() <<" "
- << link[1].second->GetID() << " F 2: " << face[1] << " | Bind: " ) ;
-#endif
- int nbN = nbNodes[0];
- {
- list<const SMDS_MeshNode*>::iterator n1 = notLinkNodes[0].begin();
- list<const SMDS_MeshNode*>::iterator n2 = notLinkNodes[1].begin();
- for ( int i = 0 ; i < nbN - 2; ++i ) {
-#ifdef DEBUG_MATCHING_NODES
- MESSAGE ( (*n1)->GetID() << " to " << (*n2)->GetID() );
-#endif
- nReplaceMap.insert( make_pair( *(n1++), *(n2++) ));
+ for ( int i = 1; i <= vertexMap.Extent(); ++i )
+ {
+ const TopoDS_Vertex& vertex = TopoDS::Vertex( vertexMap( i ));
+ p = BRep_Tool::Pnt(vertex);
+ gpnts.push_back(p);
+ MESSAGE("TopoDS_Vertex " << i << " " << p.X() << " " << p.Y() << " " << p.Z());
}
- }
+ }
- // add other links of the face 1 to linkList
- // -----------------------------------------
+ if (gpnts.size() > 0)
+ {
+ int nodeId = 0;
+ const SMDS_MeshNode* startNode = theNodeSearcher->FindClosestTo(gpnts[0]);
+ if (startNode)
+ nodeId = startNode->GetID();
+ MESSAGE("nodeId " << nodeId);
- const SMDS_MeshElement* f0 = face[0];
- const SMDS_MeshNode* n1 = f0->GetNode( nbN - 1 );
- for ( int i = 0; i < nbN; i++ )
- {
- const SMDS_MeshNode* n2 = f0->GetNode( i );
- pair< set< SMESH_TLink >::iterator, bool > iter_isnew =
- linkSet.insert( SMESH_TLink( n1, n2 ));
- if ( !iter_isnew.second ) { // already in a set: no need to process
- linkSet.erase( iter_isnew.first );
+ double radius2 = radius*radius;
+ MESSAGE("radius2 " << radius2);
+
+ // --- volumes on start node
+
+ setOfVolToCheck.clear();
+ SMDS_MeshElement* startVol = 0;
+ SMDS_ElemIteratorPtr volItr = startNode->GetInverseElementIterator(SMDSAbs_Volume);
+ while (volItr->more())
+ {
+ startVol = (SMDS_MeshElement*)volItr->next();
+ setOfVolToCheck.insert(startVol->getVtkId());
}
- else // new in set == encountered for the first time: add
+ if (setOfVolToCheck.empty())
{
-#ifdef DEBUG_MATCHING_NODES
- MESSAGE ( "Add link 1: " << n1->GetID() << " " << n2->GetID() << " "
- << " | link 2: " << nReplaceMap[n1]->GetID() << " " << nReplaceMap[n2]->GetID() << " " );
-#endif
- linkList[0].push_back ( NLink( n1, n2 ));
- linkList[1].push_back ( NLink( nReplaceMap[n1], nReplaceMap[n2] ));
+ MESSAGE("No volumes found");
+ return;
+ }
+
+ // --- starting with central volumes then their neighbors, check if they are inside
+ // or outside the domain, until no more new neighbor volume is inside.
+ // Fill the group of inside volumes
+
+ std::map<int, double> mapOfNodeDistance2;
+ mapOfNodeDistance2.clear();
+ std::set<int> setOfOutsideVol;
+ while (!setOfVolToCheck.empty())
+ {
+ std::set<int>::iterator it = setOfVolToCheck.begin();
+ int vtkId = *it;
+ MESSAGE("volume to check, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ bool volInside = false;
+ vtkIdType npts = 0;
+ vtkIdType* pts = 0;
+ grid->GetCellPoints(vtkId, npts, pts);
+ for (int i=0; i<npts; i++)
+ {
+ double distance2 = 0;
+ if (mapOfNodeDistance2.count(pts[i]))
+ {
+ distance2 = mapOfNodeDistance2[pts[i]];
+ MESSAGE("point " << pts[i] << " distance2 " << distance2);
+ }
+ else
+ {
+ double *coords = grid->GetPoint(pts[i]);
+ gp_Pnt aPoint = gp_Pnt(coords[0], coords[1], coords[2]);
+ distance2 = 1.E40;
+ for (int j=0; j<gpnts.size(); j++)
+ {
+ double d2 = aPoint.SquareDistance(gpnts[j]);
+ if (d2 < distance2)
+ {
+ distance2 = d2;
+ if (distance2 < radius2)
+ break;
+ }
+ }
+ mapOfNodeDistance2[pts[i]] = distance2;
+ MESSAGE(" point " << pts[i] << " distance2 " << distance2 << " coords " << coords[0] << " " << coords[1] << " " << coords[2]);
+ }
+ if (distance2 < radius2)
+ {
+ volInside = true; // one or more nodes inside the domain
+ sgrp->Add(meshDS->fromVtkToSmds(vtkId));
+ break;
+ }
+ }
+ if (volInside)
+ {
+ setOfInsideVol.insert(vtkId);
+ MESSAGE(" volume inside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ if (!setOfInsideVol.count(neighborsVtkIds[n]) ||setOfOutsideVol.count(neighborsVtkIds[n]))
+ setOfVolToCheck.insert(neighborsVtkIds[n]);
+ }
+ else
+ {
+ setOfOutsideVol.insert(vtkId);
+ MESSAGE(" volume outside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ }
+ setOfVolToCheck.erase(vtkId);
}
- n1 = n2;
- }
- } // 2 faces found
- } // loop on link lists
-
- return SEW_OK;
-}
+ }
-/*!
- \brief Creates a hole in a mesh by doubling the nodes of some particular elements
- \param theElems - the list of elements (edges or faces) to be replicated
- The nodes for duplication could be found from these elements
- \param theNodesNot - list of nodes to NOT replicate
- \param theAffectedElems - the list of elements (cells and edges) to which the
- replicated nodes should be associated to.
- \return TRUE if operation has been completed successfully, FALSE otherwise
-*/
-bool SMESH_MeshEditor::DoubleNodes( const TIDSortedElemSet& theElems,
- const TIDSortedElemSet& theNodesNot,
- const TIDSortedElemSet& theAffectedElems )
-{
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
+ // --- for outside hexahedrons, check if they have more than one neighbor volume inside
+ // If yes, add the volume to the inside set
- if ( theElems.size() == 0 )
- return false;
+ bool addedInside = true;
+ std::set<int> setOfVolToReCheck;
+ while (addedInside)
+ {
+ MESSAGE(" --------------------------- re check");
+ addedInside = false;
+ std::set<int>::iterator itv = setOfInsideVol.begin();
+ for (; itv != setOfInsideVol.end(); ++itv)
+ {
+ int vtkId = *itv;
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ if (!setOfInsideVol.count(neighborsVtkIds[n]))
+ setOfVolToReCheck.insert(neighborsVtkIds[n]);
+ }
+ setOfVolToCheck = setOfVolToReCheck;
+ setOfVolToReCheck.clear();
+ while (!setOfVolToCheck.empty())
+ {
+ std::set<int>::iterator it = setOfVolToCheck.begin();
+ int vtkId = *it;
+ if (grid->GetCellType(vtkId) == VTK_HEXAHEDRON)
+ {
+ MESSAGE("volume to recheck, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ int countInside = 0;
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ if (setOfInsideVol.count(neighborsVtkIds[n]))
+ countInside++;
+ MESSAGE("countInside " << countInside);
+ if (countInside > 1)
+ {
+ MESSAGE(" volume inside, vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ setOfInsideVol.insert(vtkId);
+ sgrp->Add(meshDS->fromVtkToSmds(vtkId));
+ addedInside = true;
+ }
+ else
+ setOfVolToReCheck.insert(vtkId);
+ }
+ setOfVolToCheck.erase(vtkId);
+ }
+ }
- SMESHDS_Mesh* aMeshDS = GetMeshDS();
- if ( !aMeshDS )
- return false;
+ // --- map of Downward faces at the boundary, inside the global volume
+ // map of Downward faces on the skin of the global volume (equivalent to SMDS faces on the skin)
+ // fill group of SMDS faces inside the volume (when several volume shapes)
+ // fill group of SMDS faces on the skin of the global volume (if skin)
- bool res = false;
- std::map< const SMDS_MeshNode*, const SMDS_MeshNode* > anOldNodeToNewNode;
- // duplicate elements and nodes
- res = doubleNodes( aMeshDS, theElems, theNodesNot, anOldNodeToNewNode, true );
- // replce nodes by duplications
- res = doubleNodes( aMeshDS, theAffectedElems, theNodesNot, anOldNodeToNewNode, false );
- return res;
-}
+ std::map<DownIdType, int, DownIdCompare> boundaryFaces; // boundary faces inside the volume --> corresponding cell
+ std::map<DownIdType, int, DownIdCompare> skinFaces; // faces on the skin of the global volume --> corresponding cell
+ std::set<int>::iterator it = setOfInsideVol.begin();
+ for (; it != setOfInsideVol.end(); ++it)
+ {
+ int vtkId = *it;
+ //MESSAGE(" vtkId " << vtkId << " smdsId " << meshDS->fromVtkToSmds(vtkId));
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId, true);
+ for (int n = 0; n < nbNeighbors; n++)
+ {
+ int neighborDim = SMDS_Downward::getCellDimension(grid->GetCellType(neighborsVtkIds[n]));
+ if (neighborDim == 3)
+ {
+ if (! setOfInsideVol.count(neighborsVtkIds[n])) // neighbor volume is not inside : face is boundary
+ {
+ DownIdType face(downIds[n], downTypes[n]);
+ boundaryFaces[face] = vtkId;
+ }
+ // if the face between to volumes is in the mesh, get it (internal face between shapes)
+ int vtkFaceId = grid->getDownArray(downTypes[n])->getVtkCellId(downIds[n]);
+ if (vtkFaceId >= 0)
+ {
+ sgrpi->Add(meshDS->fromVtkToSmds(vtkFaceId));
+ // find also the smds edges on this face
+ int nbEdges = grid->getDownArray(downTypes[n])->getNumberOfDownCells(downIds[n]);
+ const int* dEdges = grid->getDownArray(downTypes[n])->getDownCells(downIds[n]);
+ const unsigned char* dTypes = grid->getDownArray(downTypes[n])->getDownTypes(downIds[n]);
+ for (int i = 0; i < nbEdges; i++)
+ {
+ int vtkEdgeId = grid->getDownArray(dTypes[i])->getVtkCellId(dEdges[i]);
+ if (vtkEdgeId >= 0)
+ sgrpei->Add(meshDS->fromVtkToSmds(vtkEdgeId));
+ }
+ }
+ }
+ else if (neighborDim == 2) // skin of the volume
+ {
+ DownIdType face(downIds[n], downTypes[n]);
+ skinFaces[face] = vtkId;
+ int vtkFaceId = grid->getDownArray(downTypes[n])->getVtkCellId(downIds[n]);
+ if (vtkFaceId >= 0)
+ sgrps->Add(meshDS->fromVtkToSmds(vtkFaceId));
+ }
+ }
+ }
-/*!
- \brief Creates a hole in a mesh by doubling the nodes of some particular elements
- \param theMeshDS - mesh instance
- \param theElems - the elements replicated or modified (nodes should be changed)
- \param theNodesNot - nodes to NOT replicate
- \param theNodeNodeMap - relation of old node to new created node
- \param theIsDoubleElem - flag os to replicate element or modify
- \return TRUE if operation has been completed successfully, FALSE otherwise
-*/
-bool SMESH_MeshEditor::doubleNodes( SMESHDS_Mesh* theMeshDS,
- const TIDSortedElemSet& theElems,
- const TIDSortedElemSet& theNodesNot,
- std::map< const SMDS_MeshNode*,
- const SMDS_MeshNode* >& theNodeNodeMap,
- const bool theIsDoubleElem )
-{
- // iterate on through element and duplicate them (by nodes duplication)
- bool res = false;
- TIDSortedElemSet::const_iterator elemItr = theElems.begin();
- for ( ; elemItr != theElems.end(); ++elemItr )
- {
- const SMDS_MeshElement* anElem = *elemItr;
- if (!anElem)
- continue;
+ // --- identify the edges constituting the wire of each subshape on the skin
+ // define polylines with the nodes of edges, equivalent to wires
+ // project polylines on subshapes, and partition, to get geom faces
- bool isDuplicate = false;
- // duplicate nodes to duplicate element
- std::vector<const SMDS_MeshNode*> newNodes( anElem->NbNodes() );
- SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
- int ind = 0;
- while ( anIter->more() )
- {
+ std::map<int, std::set<int> > shapeIdToVtkIdSet; // shapeId --> set of vtkId on skin
+ std::set<int> emptySet;
+ emptySet.clear();
+ std::set<int> shapeIds;
- SMDS_MeshNode* aCurrNode = (SMDS_MeshNode*)anIter->next();
- SMDS_MeshNode* aNewNode = aCurrNode;
- if ( theNodeNodeMap.find( aCurrNode ) != theNodeNodeMap.end() )
- aNewNode = (SMDS_MeshNode*)theNodeNodeMap[ aCurrNode ];
- else if ( theIsDoubleElem && theNodesNot.find( aCurrNode ) == theNodesNot.end() )
- {
- // duplicate node
- aNewNode = theMeshDS->AddNode( aCurrNode->X(), aCurrNode->Y(), aCurrNode->Z() );
- theNodeNodeMap[ aCurrNode ] = aNewNode;
- myLastCreatedNodes.Append( aNewNode );
- }
- isDuplicate |= (aCurrNode == aNewNode);
- newNodes[ ind++ ] = aNewNode;
+ SMDS_ElemIteratorPtr itelem = sgrps->GetElements();
+ while (itelem->more())
+ {
+ const SMDS_MeshElement *elem = itelem->next();
+ int shapeId = elem->getshapeId();
+ int vtkId = elem->getVtkId();
+ if (!shapeIdToVtkIdSet.count(shapeId))
+ {
+ shapeIdToVtkIdSet[shapeId] = emptySet;
+ shapeIds.insert(shapeId);
+ }
+ shapeIdToVtkIdSet[shapeId].insert(vtkId);
}
- if ( !isDuplicate )
- continue;
- if ( theIsDoubleElem )
- myLastCreatedElems.Append( AddElement(newNodes, anElem->GetType(), anElem->IsPoly()) );
- else
- theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], anElem->NbNodes() );
+ std::map<int, std::set<DownIdType, DownIdCompare> > shapeIdToEdges; // shapeId --> set of downward edges
+ std::set<DownIdType, DownIdCompare> emptyEdges;
+ emptyEdges.clear();
- res = true;
- }
- return res;
-}
+ std::map<int, std::set<int> >::iterator itShape = shapeIdToVtkIdSet.begin();
+ for (; itShape != shapeIdToVtkIdSet.end(); ++itShape)
+ {
+ int shapeId = itShape->first;
+ MESSAGE(" --- Shape ID --- "<< shapeId);
+ shapeIdToEdges[shapeId] = emptyEdges;
-/*!
- \brief Check if element located inside shape
- \return TRUE if IN or ON shape, FALSE otherwise
-*/
+ std::vector<int> nodesEdges;
-static bool isInside(const SMDS_MeshElement* theElem,
- BRepClass3d_SolidClassifier& theBsc3d,
- const double theTol)
-{
- gp_XYZ centerXYZ (0, 0, 0);
- SMDS_ElemIteratorPtr aNodeItr = theElem->nodesIterator();
- while (aNodeItr->more())
- {
- SMDS_MeshNode* aNode = (SMDS_MeshNode*)aNodeItr->next();
- centerXYZ += gp_XYZ(aNode->X(), aNode->Y(), aNode->Z());
- }
- gp_Pnt aPnt(centerXYZ);
- theBsc3d.Perform(aPnt, theTol);
- TopAbs_State aState = theBsc3d.State();
- return (aState == TopAbs_IN || aState == TopAbs_ON );
-}
+ std::set<int>::iterator its = itShape->second.begin();
+ for (; its != itShape->second.end(); ++its)
+ {
+ int vtkId = *its;
+ MESSAGE(" " << vtkId);
+ int neighborsVtkIds[NBMAXNEIGHBORS];
+ int downIds[NBMAXNEIGHBORS];
+ unsigned char downTypes[NBMAXNEIGHBORS];
+ int nbNeighbors = grid->GetNeighbors(neighborsVtkIds, downIds, downTypes, vtkId);
+ for (int n = 0; n < nbNeighbors; n++)
+ {
+ if (neighborsVtkIds[n]<0) // only smds faces are considered as neighbors here
+ continue;
+ int smdsId = meshDS->fromVtkToSmds(neighborsVtkIds[n]);
+ const SMDS_MeshElement* elem = meshDS->FindElement(smdsId);
+ if ( shapeIds.count(elem->getshapeId()) && !sgrps->Contains(elem)) // edge : neighbor in the set of shape, not in the group
+ {
+ DownIdType edge(downIds[n], downTypes[n]);
+ if (!shapeIdToEdges[shapeId].count(edge))
+ {
+ shapeIdToEdges[shapeId].insert(edge);
+ int vtkNodeId[3];
+ int nbNodes = grid->getDownArray(downTypes[n])->getNodes(downIds[n],vtkNodeId);
+ nodesEdges.push_back(vtkNodeId[0]);
+ nodesEdges.push_back(vtkNodeId[nbNodes-1]);
+ MESSAGE(" --- nodes " << vtkNodeId[0]+1 << " " << vtkNodeId[nbNodes-1]+1);
+ }
+ }
+ }
+ }
-/*!
- \brief Creates a hole in a mesh by doubling the nodes of some particular elements
- \param theElems - group of of elements (edges or faces) to be replicated
- \param theNodesNot - group of nodes not to replicated
- \param theShape - shape to detect affected elements (element which geometric center
- located on or inside shape).
- The replicated nodes should be associated to affected elements.
- \return TRUE if operation has been completed successfully, FALSE otherwise
-*/
+ std::list<int> order;
+ order.clear();
+ if (nodesEdges.size() > 0)
+ {
+ order.push_back(nodesEdges[0]); MESSAGE(" --- back " << order.back()+1); // SMDS id = VTK id + 1;
+ nodesEdges[0] = -1;
+ order.push_back(nodesEdges[1]); MESSAGE(" --- back " << order.back()+1);
+ nodesEdges[1] = -1; // do not reuse this edge
+ bool found = true;
+ while (found)
+ {
+ int nodeTofind = order.back(); // try first to push back
+ int i = 0;
+ for (i = 0; i<nodesEdges.size(); i++)
+ if (nodesEdges[i] == nodeTofind)
+ break;
+ if (i == nodesEdges.size())
+ found = false; // no follower found on back
+ else
+ {
+ if (i%2) // odd ==> use the previous one
+ if (nodesEdges[i-1] < 0)
+ found = false;
+ else
+ {
+ order.push_back(nodesEdges[i-1]); MESSAGE(" --- back " << order.back()+1);
+ nodesEdges[i-1] = -1;
+ }
+ else // even ==> use the next one
+ if (nodesEdges[i+1] < 0)
+ found = false;
+ else
+ {
+ order.push_back(nodesEdges[i+1]); MESSAGE(" --- back " << order.back()+1);
+ nodesEdges[i+1] = -1;
+ }
+ }
+ if (found)
+ continue;
+ // try to push front
+ found = true;
+ nodeTofind = order.front(); // try to push front
+ for (i = 0; i<nodesEdges.size(); i++)
+ if (nodesEdges[i] == nodeTofind)
+ break;
+ if (i == nodesEdges.size())
+ {
+ found = false; // no predecessor found on front
+ continue;
+ }
+ if (i%2) // odd ==> use the previous one
+ if (nodesEdges[i-1] < 0)
+ found = false;
+ else
+ {
+ order.push_front(nodesEdges[i-1]); MESSAGE(" --- front " << order.front()+1);
+ nodesEdges[i-1] = -1;
+ }
+ else // even ==> use the next one
+ if (nodesEdges[i+1] < 0)
+ found = false;
+ else
+ {
+ order.push_front(nodesEdges[i+1]); MESSAGE(" --- front " << order.front()+1);
+ nodesEdges[i+1] = -1;
+ }
+ }
+ }
-bool SMESH_MeshEditor::DoubleNodesInRegion( const TIDSortedElemSet& theElems,
- const TIDSortedElemSet& theNodesNot,
- const TopoDS_Shape& theShape )
-{
- if ( theShape.IsNull() )
- return false;
- const double aTol = Precision::Confusion();
- BRepClass3d_SolidClassifier bsc3d(theShape);
- bsc3d.PerformInfinitePoint(aTol);
+ std::vector<int> nodes;
+ nodes.push_back(shapeId);
+ std::list<int>::iterator itl = order.begin();
+ for (; itl != order.end(); itl++)
+ {
+ nodes.push_back((*itl) + 1); // SMDS id = VTK id + 1;
+ MESSAGE(" ordered node " << nodes[nodes.size()-1]);
+ }
+ listOfListOfNodes.push_back(nodes);
+ }
- // iterates on indicated elements and get elements by back references from their nodes
- TIDSortedElemSet anAffected;
- TIDSortedElemSet::const_iterator elemItr = theElems.begin();
- for ( ; elemItr != theElems.end(); ++elemItr )
- {
- SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
- if (!anElem)
- continue;
+ // partition geom faces with blocFissure
+ // mesh blocFissure and geom faces of the skin (external wires given, triangle algo to choose)
+ // mesh volume around blocFissure (skin triangles and quadrangle given, tetra algo to choose)
- SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
- while ( nodeItr->more() )
- {
- const SMDS_MeshNode* aNode = static_cast<const SMDS_MeshNode*>(nodeItr->next());
- if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
- continue;
- SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
- while ( backElemItr->more() )
- {
- SMDS_MeshElement* curElem = (SMDS_MeshElement*)backElemItr->next();
- if ( curElem && theElems.find(curElem) == theElems.end() &&
- isInside( curElem, bsc3d, aTol ) )
- anAffected.insert( curElem );
- }
- }
- }
- return DoubleNodes( theElems, theNodesNot, anAffected );
+ return;
}
+
+//================================================================================
/*!
- * \brief Generated skin mesh (containing 2D cells) from 3D mesh
+ * \brief Generates skin mesh (containing 2D cells) from 3D mesh
* The created 2D mesh elements based on nodes of free faces of boundary volumes
* \return TRUE if operation has been completed successfully, FALSE otherwise
*/
+//================================================================================
bool SMESH_MeshEditor::Make2DMeshFrom3D()
{
SMESHDS_Mesh* aMesh = GetMeshDS();
if (!aMesh)
return false;
- bool res = false;
+ //bool res = false;
+ int nbFree = 0, nbExisted = 0, nbCreated = 0;
SMDS_VolumeIteratorPtr vIt = aMesh->volumesIterator();
while(vIt->more())
{
const SMDS_MeshVolume* volume = vIt->next();
- SMDS_VolumeTool vTool( volume );
- const bool isPoly = volume->IsPoly();
- const bool isQuad = volume->IsQuadratic();
+ SMDS_VolumeTool vTool( volume, /*ignoreCentralNodes=*/false );
+ vTool.SetExternalNormal();
+ //const bool isPoly = volume->IsPoly();
+ const int iQuad = volume->IsQuadratic();
for ( int iface = 0, n = vTool.NbFaces(); iface < n; iface++ )
{
if (!vTool.IsFreeFace(iface))
continue;
+ nbFree++;
vector<const SMDS_MeshNode *> nodes;
int nbFaceNodes = vTool.NbFaceNodes(iface);
const SMDS_MeshNode** faceNodes = vTool.GetFaceNodes(iface);
- if (vTool.IsFaceExternal(iface))
- {
- int inode = 0;
- for ( ; inode < nbFaceNodes; inode += isQuad ? 2 : 1)
+ int inode = 0;
+ for ( ; inode < nbFaceNodes; inode += iQuad+1)
+ nodes.push_back(faceNodes[inode]);
+ if (iQuad) { // add medium nodes
+ for ( inode = 1; inode < nbFaceNodes; inode += 2)
nodes.push_back(faceNodes[inode]);
- if (isQuad)
- for ( inode = 1; inode < nbFaceNodes; inode += 2)
- nodes.push_back(faceNodes[inode]);
+ if ( nbFaceNodes == 9 ) // bi-quadratic quad
+ nodes.push_back(faceNodes[8]);
}
- else
+ // add new face based on volume nodes
+ if (aMesh->FindElement( nodes, SMDSAbs_Face, /*noMedium=*/false) ) {
+ nbExisted++;
+ continue; // face already exsist
+ }
+ AddElement(nodes, SMDSAbs_Face, ( !iQuad && nbFaceNodes/(iQuad+1) > 4 ));
+ nbCreated++;
+ }
+ }
+ return ( nbFree==(nbExisted+nbCreated) );
+}
+
+namespace
+{
+ inline const SMDS_MeshNode* getNodeWithSameID(SMESHDS_Mesh* mesh, const SMDS_MeshNode* node)
+ {
+ if ( const SMDS_MeshNode* n = mesh->FindNode( node->GetID() ))
+ return n;
+ return mesh->AddNodeWithID( node->X(),node->Y(),node->Z(), node->GetID() );
+ }
+}
+//================================================================================
+/*!
+ * \brief Creates missing boundary elements
+ * \param elements - elements whose boundary is to be checked
+ * \param dimension - defines type of boundary elements to create
+ * \param group - a group to store created boundary elements in
+ * \param targetMesh - a mesh to store created boundary elements in
+ * \param toCopyElements - if true, the checked elements will be copied into the targetMesh
+ * \param toCopyExistingBoundary - if true, not only new but also pre-existing
+ * boundary elements will be copied into the targetMesh
+ * \param toAddExistingBondary - if true, not only new but also pre-existing
+ * boundary elements will be added into the new group
+ * \param aroundElements - if true, elements will be created on boundary of given
+ * elements else, on boundary of the whole mesh.
+ * \return nb of added boundary elements
+ */
+//================================================================================
+
+int SMESH_MeshEditor::MakeBoundaryMesh(const TIDSortedElemSet& elements,
+ Bnd_Dimension dimension,
+ SMESH_Group* group/*=0*/,
+ SMESH_Mesh* targetMesh/*=0*/,
+ bool toCopyElements/*=false*/,
+ bool toCopyExistingBoundary/*=false*/,
+ bool toAddExistingBondary/*= false*/,
+ bool aroundElements/*= false*/)
+{
+ SMDSAbs_ElementType missType = (dimension == BND_2DFROM3D) ? SMDSAbs_Face : SMDSAbs_Edge;
+ SMDSAbs_ElementType elemType = (dimension == BND_1DFROM2D) ? SMDSAbs_Face : SMDSAbs_Volume;
+ // hope that all elements are of the same type, do not check them all
+ if ( !elements.empty() && (*elements.begin())->GetType() != elemType )
+ throw SALOME_Exception(LOCALIZED("wrong element type"));
+
+ if ( !targetMesh )
+ toCopyElements = toCopyExistingBoundary = false;
+
+ SMESH_MeshEditor tgtEditor( targetMesh ? targetMesh : myMesh );
+ SMESHDS_Mesh* aMesh = GetMeshDS(), *tgtMeshDS = tgtEditor.GetMeshDS();
+ int nbAddedBnd = 0;
+
+ // editor adding present bnd elements and optionally holding elements to add to the group
+ SMESH_MeshEditor* presentEditor;
+ SMESH_MeshEditor tgtEditor2( tgtEditor.GetMesh() );
+ presentEditor = toAddExistingBondary ? &tgtEditor : &tgtEditor2;
+
+ SMESH_MesherHelper helper( *myMesh );
+ const TopAbs_ShapeEnum missShapeType = ( missType==SMDSAbs_Face ? TopAbs_FACE : TopAbs_EDGE );
+ SMDS_VolumeTool vTool;
+ TIDSortedElemSet avoidSet;
+ const TIDSortedElemSet emptySet, *elemSet = aroundElements ? &elements : &emptySet;
+ int inode;
+
+ typedef vector<const SMDS_MeshNode*> TConnectivity;
+
+ SMDS_ElemIteratorPtr eIt;
+ if (elements.empty())
+ eIt = aMesh->elementsIterator(elemType);
+ else
+ eIt = SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+
+ while (eIt->more())
+ {
+ const SMDS_MeshElement* elem = eIt->next();
+ const int iQuad = elem->IsQuadratic();
+
+ // ------------------------------------------------------------------------------------
+ // 1. For an elem, get present bnd elements and connectivities of missing bnd elements
+ // ------------------------------------------------------------------------------------
+ vector<const SMDS_MeshElement*> presentBndElems;
+ vector<TConnectivity> missingBndElems;
+ TConnectivity nodes;
+ if ( vTool.Set(elem, /*ignoreCentralNodes=*/true) ) // elem is a volume --------------
+ {
+ vTool.SetExternalNormal();
+ const SMDS_MeshElement* otherVol = 0;
+ for ( int iface = 0, n = vTool.NbFaces(); iface < n; iface++ )
{
- int inode = nbFaceNodes-1;
- for ( ; inode >=0; inode -= isQuad ? 2 : 1)
- nodes.push_back(faceNodes[inode]);
- if (isQuad)
- for ( inode = nbFaceNodes-2; inode >=0; inode -= 2)
- nodes.push_back(faceNodes[inode]);
+ if ( !vTool.IsFreeFace(iface, &otherVol) &&
+ ( !aroundElements || elements.count( otherVol )))
+ continue;
+ const int nbFaceNodes = vTool.NbFaceNodes(iface);
+ const SMDS_MeshNode** nn = vTool.GetFaceNodes(iface);
+ if ( missType == SMDSAbs_Edge ) // boundary edges
+ {
+ nodes.resize( 2+iQuad );
+ for ( int i = 0; i < nbFaceNodes; i += 1+iQuad)
+ {
+ for ( int j = 0; j < nodes.size(); ++j )
+ nodes[j] =nn[i+j];
+ if ( const SMDS_MeshElement* edge =
+ aMesh->FindElement(nodes,SMDSAbs_Edge,/*noMedium=*/false))
+ presentBndElems.push_back( edge );
+ else
+ missingBndElems.push_back( nodes );
+ }
+ }
+ else // boundary face
+ {
+ nodes.clear();
+ for ( inode = 0; inode < nbFaceNodes; inode += 1+iQuad)
+ nodes.push_back( nn[inode] );
+ if (iQuad) // add medium nodes
+ for ( inode = 1; inode < nbFaceNodes; inode += 2)
+ nodes.push_back( nn[inode] );
+ int iCenter = vTool.GetCenterNodeIndex(iface); // for HEX27
+ if ( iCenter > 0 )
+ nodes.push_back( vTool.GetNodes()[ iCenter ] );
+
+ if (const SMDS_MeshElement * f = aMesh->FindElement( nodes,
+ SMDSAbs_Face, /*noMedium=*/false ))
+ presentBndElems.push_back( f );
+ else
+ missingBndElems.push_back( nodes );
+
+ if ( targetMesh != myMesh )
+ {
+ // add 1D elements on face boundary to be added to a new mesh
+ const SMDS_MeshElement* edge;
+ for ( inode = 0; inode < nbFaceNodes; inode += 1+iQuad)
+ {
+ if ( iQuad )
+ edge = aMesh->FindEdge( nn[inode], nn[inode+1], nn[inode+2]);
+ else
+ edge = aMesh->FindEdge( nn[inode], nn[inode+1]);
+ if ( edge && avoidSet.insert( edge ).second )
+ presentBndElems.push_back( edge );
+ }
+ }
+ }
+ }
+ }
+ else // elem is a face ------------------------------------------
+ {
+ avoidSet.clear(), avoidSet.insert( elem );
+ int nbNodes = elem->NbCornerNodes();
+ nodes.resize( 2 /*+ iQuad*/);
+ for ( int i = 0; i < nbNodes; i++ )
+ {
+ nodes[0] = elem->GetNode(i);
+ nodes[1] = elem->GetNode((i+1)%nbNodes);
+ if ( FindFaceInSet( nodes[0], nodes[1], *elemSet, avoidSet))
+ continue; // not free link
+
+ //if ( iQuad )
+ //nodes[2] = elem->GetNode( i + nbNodes );
+ if ( const SMDS_MeshElement* edge =
+ aMesh->FindElement(nodes,SMDSAbs_Edge,/*noMedium=*/true))
+ presentBndElems.push_back( edge );
+ else
+ missingBndElems.push_back( nodes );
+ }
+ }
+
+ // ---------------------------------
+ // 2. Add missing boundary elements
+ // ---------------------------------
+ if ( targetMesh != myMesh )
+ // instead of making a map of nodes in this mesh and targetMesh,
+ // we create nodes with same IDs.
+ for ( int i = 0; i < missingBndElems.size(); ++i )
+ {
+ TConnectivity& srcNodes = missingBndElems[i];
+ TConnectivity nodes( srcNodes.size() );
+ for ( inode = 0; inode < nodes.size(); ++inode )
+ nodes[inode] = getNodeWithSameID( tgtMeshDS, srcNodes[inode] );
+ if ( aroundElements && tgtEditor.GetMeshDS()->FindElement( nodes,
+ missType,
+ /*noMedium=*/false))
+ continue;
+ tgtEditor.AddElement(nodes, missType, !iQuad && nodes.size()/(iQuad+1)>4);
+ ++nbAddedBnd;
}
+ else
+ for ( int i = 0; i < missingBndElems.size(); ++i )
+ {
+ TConnectivity& nodes = missingBndElems[i];
+ if ( aroundElements && tgtEditor.GetMeshDS()->FindElement( nodes,
+ missType,
+ /*noMedium=*/false))
+ continue;
+ SMDS_MeshElement* elem =
+ tgtEditor.AddElement(nodes, missType, !iQuad && nodes.size()/(iQuad+1)>4);
+ ++nbAddedBnd;
- // add new face based on volume nodes
- if (aMesh->FindFace( nodes ) )
- continue; // face already exsist
- myLastCreatedElems.Append( AddElement(nodes, SMDSAbs_Face, isPoly && iface == 1) );
- res = true;
+ // try to set a new element to a shape
+ if ( myMesh->HasShapeToMesh() )
+ {
+ bool ok = true;
+ set< pair<TopAbs_ShapeEnum, int > > mediumShapes;
+ const int nbN = nodes.size() / (iQuad+1 );
+ for ( inode = 0; inode < nbN && ok; ++inode )
+ {
+ pair<int, TopAbs_ShapeEnum> i_stype =
+ helper.GetMediumPos( nodes[inode], nodes[(inode+1)%nbN]);
+ if (( ok = ( i_stype.first > 0 && i_stype.second >= TopAbs_FACE )))
+ mediumShapes.insert( make_pair ( i_stype.second, i_stype.first ));
+ }
+ if ( ok && mediumShapes.size() > 1 )
+ {
+ set< pair<TopAbs_ShapeEnum, int > >::iterator stype_i = mediumShapes.begin();
+ pair<TopAbs_ShapeEnum, int> stype_i_0 = *stype_i;
+ for ( ++stype_i; stype_i != mediumShapes.end() && ok; ++stype_i )
+ {
+ if (( ok = ( stype_i->first != stype_i_0.first )))
+ ok = helper.IsSubShape( aMesh->IndexToShape( stype_i->second ),
+ aMesh->IndexToShape( stype_i_0.second ));
+ }
+ }
+ if ( ok && mediumShapes.begin()->first == missShapeType )
+ aMesh->SetMeshElementOnShape( elem, mediumShapes.begin()->second );
+ }
+ }
+
+ // ----------------------------------
+ // 3. Copy present boundary elements
+ // ----------------------------------
+ if ( toCopyExistingBoundary )
+ for ( int i = 0 ; i < presentBndElems.size(); ++i )
+ {
+ const SMDS_MeshElement* e = presentBndElems[i];
+ TConnectivity nodes( e->NbNodes() );
+ for ( inode = 0; inode < nodes.size(); ++inode )
+ nodes[inode] = getNodeWithSameID( tgtMeshDS, e->GetNode(inode) );
+ presentEditor->AddElement(nodes, e->GetType(), e->IsPoly());
+ }
+ else // store present elements to add them to a group
+ for ( int i = 0 ; i < presentBndElems.size(); ++i )
+ {
+ presentEditor->myLastCreatedElems.Append(presentBndElems[i]);
+ }
+
+ } // loop on given elements
+
+ // ---------------------------------------------
+ // 4. Fill group with boundary elements
+ // ---------------------------------------------
+ if ( group )
+ {
+ if ( SMESHDS_Group* g = dynamic_cast<SMESHDS_Group*>( group->GetGroupDS() ))
+ for ( int i = 0; i < tgtEditor.myLastCreatedElems.Size(); ++i )
+ g->SMDSGroup().Add( tgtEditor.myLastCreatedElems( i+1 ));
+ }
+ tgtEditor.myLastCreatedElems.Clear();
+ tgtEditor2.myLastCreatedElems.Clear();
+
+ // -----------------------
+ // 5. Copy given elements
+ // -----------------------
+ if ( toCopyElements && targetMesh != myMesh )
+ {
+ if (elements.empty())
+ eIt = aMesh->elementsIterator(elemType);
+ else
+ eIt = SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+ while (eIt->more())
+ {
+ const SMDS_MeshElement* elem = eIt->next();
+ TConnectivity nodes( elem->NbNodes() );
+ for ( inode = 0; inode < nodes.size(); ++inode )
+ nodes[inode] = getNodeWithSameID( tgtMeshDS, elem->GetNode(inode) );
+ tgtEditor.AddElement(nodes, elemType, elem->IsPoly());
+
+ tgtEditor.myLastCreatedElems.Clear();
}
}
- return res;
+ return nbAddedBnd;
}
