-// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015 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
// 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.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "SMESH_Algo.hxx"
#include "SMESH_ControlsDef.hxx"
#include "SMESH_Group.hxx"
+#include "SMESH_MeshAlgos.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_OctreeNode.hxx"
#include "SMESH_subMesh.hxx"
#include <Basics_OCCTVersion.hxx>
#include "utilities.h"
+#include "chrono.hxx"
#include <BRepAdaptor_Surface.hxx>
#include <BRepBuilderAPI_MakeEdge.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 <algorithm>
#include <sstream>
+#include <boost/tuple/tuple.hpp>
+
#include <Standard_Failure.hxx>
#include <Standard_ErrorHandler.hxx>
using namespace std;
using namespace SMESH::Controls;
-typedef map<const SMDS_MeshElement*, list<const SMDS_MeshNode*> > TElemOfNodeListMap;
-typedef map<const SMDS_MeshElement*, list<const SMDS_MeshElement*> > TElemOfElemListMap;
-
-typedef SMDS_SetIterator< SMDS_pElement, TIDSortedElemSet::const_iterator> TSetIterator;
+namespace
+{
+ template < class ELEM_SET >
+ SMDS_ElemIteratorPtr elemSetIterator( const ELEM_SET& elements )
+ {
+ typedef SMDS_SetIterator
+ < SMDS_pElement, typename ELEM_SET::const_iterator> TSetIterator;
+ return SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+ }
+}
//=======================================================================
//function : SMESH_MeshEditor
*/
//================================================================================
-void SMESH_MeshEditor::CrearLastCreated()
+void SMESH_MeshEditor::ClearLastCreated()
{
myLastCreatedNodes.Clear();
myLastCreatedElems.Clear();
}
+//================================================================================
+/*!
+ * \brief Initializes members by an existing element
+ * \param [in] elem - the source element
+ * \param [in] basicOnly - if true, does not set additional data of Ball and Polyhedron
+ */
+//================================================================================
+
+SMESH_MeshEditor::ElemFeatures&
+SMESH_MeshEditor::ElemFeatures::Init( const SMDS_MeshElement* elem, bool basicOnly )
+{
+ if ( elem )
+ {
+ myType = elem->GetType();
+ if ( myType == SMDSAbs_Face || myType == SMDSAbs_Volume )
+ {
+ myIsPoly = elem->IsPoly();
+ if ( myIsPoly )
+ {
+ myIsQuad = elem->IsQuadratic();
+ if ( myType == SMDSAbs_Volume && !basicOnly )
+ {
+ vector<int > quant = static_cast<const SMDS_VtkVolume* >( elem )->GetQuantities();
+ myPolyhedQuantities.swap( quant );
+ }
+ }
+ }
+ else if ( myType == SMDSAbs_Ball && !basicOnly )
+ {
+ myBallDiameter = static_cast<const SMDS_BallElement*>(elem)->GetDiameter();
+ }
+ }
+ return *this;
+}
//=======================================================================
/*!
SMDS_MeshElement*
SMESH_MeshEditor::AddElement(const vector<const SMDS_MeshNode*> & node,
- const SMDSAbs_ElementType type,
- const bool isPoly,
- const int ID,
- const double ballDiameter)
+ const ElemFeatures& features)
{
- //MESSAGE("AddElement " <<node.size() << " " << type << " " << isPoly << " " << ID);
SMDS_MeshElement* e = 0;
int nbnode = node.size();
SMESHDS_Mesh* mesh = GetMeshDS();
- switch ( type ) {
+ const int ID = features.myID;
+
+ switch ( features.myType ) {
case SMDSAbs_Face:
- if ( !isPoly ) {
+ if ( !features.myIsPoly ) {
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 e = mesh->AddFace (node[0], node[1], node[2], node[3],
node[4], node[5] );
}
+ else if (nbnode == 7) {
+ if ( ID >= 1 ) e = mesh->AddFaceWithID(node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6], ID);
+ else e = mesh->AddFace (node[0], node[1], node[2], node[3],
+ node[4], node[5], node[6] );
+ }
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], node[8] );
}
- } else {
+ }
+ else if ( !features.myIsQuad )
+ {
if ( ID >= 1 ) e = mesh->AddPolygonalFaceWithID(node, ID);
else e = mesh->AddPolygonalFace (node );
}
+ else if ( nbnode % 2 == 0 ) // just a protection
+ {
+ if ( ID >= 1 ) e = mesh->AddQuadPolygonalFaceWithID(node, ID);
+ else e = mesh->AddQuadPolygonalFace (node );
+ }
break;
case SMDSAbs_Volume:
- if ( !isPoly ) {
+ if ( !features.myIsPoly ) {
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] );
node[24],node[25],node[26] );
}
}
+ else if ( !features.myIsQuad )
+ {
+ if ( ID >= 1 ) e = mesh->AddPolyhedralVolumeWithID(node, features.myPolyhedQuantities, ID);
+ else e = mesh->AddPolyhedralVolume (node, features.myPolyhedQuantities );
+ }
+ else
+ {
+ // if ( ID >= 1 ) e = mesh->AddQuadPolyhedralVolumeWithID(node, features.myPolyhedQuantities,ID);
+ // else e = mesh->AddQuadPolyhedralVolume (node, features.myPolyhedQuantities );
+ }
break;
case SMDSAbs_Edge:
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());
+ 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);
+ if ( ID >= 1 ) e = mesh->AddBallWithID(node[0], features.myBallDiameter, ID);
+ else e = mesh->AddBall (node[0], features.myBallDiameter );
break;
default:;
*/
//=======================================================================
-SMDS_MeshElement* SMESH_MeshEditor::AddElement(const vector<int> & nodeIDs,
- const SMDSAbs_ElementType type,
- const bool isPoly,
- const int ID)
+SMDS_MeshElement* SMESH_MeshEditor::AddElement(const vector<int> & nodeIDs,
+ const ElemFeatures& features)
{
vector<const SMDS_MeshNode*> nodes;
nodes.reserve( nodeIDs.size() );
else
return 0;
}
- return AddElement( nodes, type, isPoly, ID );
+ return AddElement( nodes, features );
}
//=======================================================================
void SMESH_MeshEditor::Create0DElementsOnAllNodes( const TIDSortedElemSet& elements,
TIDSortedElemSet& all0DElems )
{
- typedef SMDS_SetIterator<const SMDS_MeshElement*, TIDSortedElemSet::const_iterator> TSetIterator;
SMDS_ElemIteratorPtr elemIt;
+ vector< const SMDS_MeshElement* > allNodes;
if ( elements.empty() )
+ {
+ allNodes.reserve( GetMeshDS()->NbNodes() );
elemIt = GetMeshDS()->elementsIterator( SMDSAbs_Node );
+ while ( elemIt->more() )
+ allNodes.push_back( elemIt->next() );
+
+ elemIt = elemSetIterator( allNodes );
+ }
else
- elemIt = SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+ {
+ elemIt = elemSetIterator( elements );
+ }
while ( elemIt->more() )
{
}
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;
+ SMESHDS_SubMeshIteratorPtr smIt = GetMeshDS()->SubMeshes();
+ while ( const SMESHDS_SubMesh* sm = smIt->next() )
+ if ( sm->Contains( theElem ))
+ return sm->GetID();
}
- //MESSAGE ("::FindShape() - SHAPE NOT FOUND")
return 0;
}
}
//=======================================================================
-//function : ShiftNodesQuadTria
-//purpose : auxilary
-// Shift nodes in the array corresponded to quadratic triangle
+//function : shiftNodesQuadTria
+//purpose : Shift nodes in the array corresponded to quadratic triangle
// example: (0,1,2,3,4,5) -> (1,2,0,4,5,3)
//=======================================================================
-static void ShiftNodesQuadTria(const SMDS_MeshNode* aNodes[])
+
+static void shiftNodesQuadTria(vector< const SMDS_MeshNode* >& aNodes)
{
const SMDS_MeshNode* nd1 = aNodes[0];
aNodes[0] = aNodes[1];
}
//=======================================================================
-//function : edgeConnectivity
-//purpose : auxilary
-// return number of the edges connected with the theNode.
+//function : nbEdgeConnectivity
+//purpose : 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;
+ // SMDS_ElemIteratorPtr elemIt = theNode->GetInverseElementIterator();
+ // int nb=0;
+ // while(elemIt->more()) {
+ // elemIt->next();
+ // nb++;
+ // }
+ // return nb;
+ return theNode->NbInverseElements();
}
-
//=======================================================================
-//function : GetNodesFromTwoTria
-//purpose : auxilary
-// Shift nodes in the array corresponded to quadratic triangle
-// example: (0,1,2,3,4,5) -> (1,2,0,4,5,3)
+//function : getNodesFromTwoTria
+//purpose :
//=======================================================================
-static bool GetNodesFromTwoTria(const SMDS_MeshElement * theTria1,
+
+static bool getNodesFromTwoTria(const SMDS_MeshElement * theTria1,
const SMDS_MeshElement * theTria2,
- const SMDS_MeshNode* N1[],
- const SMDS_MeshNode* N2[])
+ vector< const SMDS_MeshNode*>& N1,
+ vector< const SMDS_MeshNode*>& N2)
{
- SMDS_ElemIteratorPtr it = theTria1->nodesIterator();
- int i=0;
- while(i<6) {
- N1[i] = static_cast<const SMDS_MeshNode*>( it->next() );
- i++;
- }
- if(it->more()) return false;
- it = theTria2->nodesIterator();
- i=0;
- while(i<6) {
- N2[i] = static_cast<const SMDS_MeshNode*>( it->next() );
- i++;
- }
- if(it->more()) return false;
+ N1.assign( theTria1->begin_nodes(), theTria1->end_nodes() );
+ if ( N1.size() < 6 ) return false;
+ N2.assign( theTria2->begin_nodes(), theTria2->end_nodes() );
+ if ( N2.size() < 6 ) return false;
int sames[3] = {-1,-1,-1};
int nbsames = 0;
- int j;
+ int i, j;
for(i=0; i<3; i++) {
for(j=0; j<3; j++) {
if(N1[i]==N2[j]) {
}
if(nbsames!=2) return false;
if(sames[0]>-1) {
- ShiftNodesQuadTria(N1);
+ shiftNodesQuadTria(N1);
if(sames[1]>-1) {
- ShiftNodesQuadTria(N1);
+ shiftNodesQuadTria(N1);
}
}
i = sames[0] + sames[1] + sames[2];
for(; i<2; i++) {
- ShiftNodesQuadTria(N2);
+ shiftNodesQuadTria(N2);
}
- // now we receive following N1 and N2 (using numeration as above image)
+ // now we receive following N1 and N2 (using numeration as in the image below)
// tria1 : (1 2 4 5 9 7) and tria2 : (3 4 2 8 9 6)
- // i.e. first nodes from both arrays determ new diagonal
+ // i.e. first nodes from both arrays form a new diagonal
return true;
}
// put nodes in array and find out indices of the same ones
const SMDS_MeshNode* aNodes [6];
- int sameInd [] = { 0, 0, 0, 0, 0, 0 };
+ int sameInd [] = { -1, -1, -1, -1, -1, -1 };
int i = 0;
SMDS_ElemIteratorPtr it = theTria1->nodesIterator();
while ( it->more() ) {
}
// find indices of 1,2 and of A,B in theTria1
- int iA = 0, iB = 0, i1 = 0, i2 = 0;
+ int iA = -1, iB = 0, i1 = 0, i2 = 0;
for ( i = 0; i < 6; i++ ) {
- if ( sameInd [ i ] == 0 ) {
+ if ( sameInd [ i ] == -1 ) {
if ( i < 3 ) i1 = i;
else i2 = i;
}
else if (i < 3) {
- if ( iA ) iB = i;
- else iA = i;
+ if ( iA >= 0) iB = i;
+ else iA = i;
}
}
// nodes 1 and 2 should not be the same
} // end if(F1 && F2)
// check case of quadratic faces
- if (theTria1->GetEntityType() != SMDSEntity_Quad_Triangle)
+ if (theTria1->GetEntityType() != SMDSEntity_Quad_Triangle &&
+ theTria1->GetEntityType() != SMDSEntity_BiQuad_Triangle)
return false;
- if (theTria2->GetEntityType() != SMDSEntity_Quad_Triangle)
+ if (theTria2->GetEntityType() != SMDSEntity_Quad_Triangle&&
+ theTria2->GetEntityType() != SMDSEntity_BiQuad_Triangle)
return false;
// 5
// 4 +--+--+ 3
// 8
- const SMDS_MeshNode* N1 [6];
- const SMDS_MeshNode* N2 [6];
- if(!GetNodesFromTwoTria(theTria1,theTria2,N1,N2))
+ vector< const SMDS_MeshNode* > N1;
+ vector< const SMDS_MeshNode* > N2;
+ if(!getNodesFromTwoTria(theTria1,theTria2,N1,N2))
return false;
// now we receive following N1 and N2 (using numeration as above image)
// tria1 : (1 2 4 5 9 7) and tria2 : (3 4 2 8 9 6)
// i.e. first nodes from both arrays determ new diagonal
- const SMDS_MeshNode* N1new [6];
- const SMDS_MeshNode* N2new [6];
- N1new[0] = N1[0];
- N1new[1] = N2[0];
- N1new[2] = N2[1];
- N1new[3] = N1[4];
- N1new[4] = N2[3];
- N1new[5] = N1[5];
- N2new[0] = N1[0];
- N2new[1] = N1[1];
- N2new[2] = N2[0];
- N2new[3] = N1[3];
- N2new[4] = N2[5];
- N2new[5] = N1[4];
- // replaces nodes in faces
- GetMeshDS()->ChangeElementNodes( theTria1, N1new, 6 );
- GetMeshDS()->ChangeElementNodes( theTria2, N2new, 6 );
-
+ vector< const SMDS_MeshNode*> N1new( N1.size() );
+ vector< const SMDS_MeshNode*> N2new( N2.size() );
+ N1new.back() = N1.back(); // central node of biquadratic
+ N2new.back() = N2.back();
+ N1new[0] = N1[0]; N2new[0] = N1[0];
+ N1new[1] = N2[0]; N2new[1] = N1[1];
+ N1new[2] = N2[1]; N2new[2] = N2[0];
+ N1new[3] = N1[4]; N2new[3] = N1[3];
+ N1new[4] = N2[3]; N2new[4] = N2[5];
+ N1new[5] = N1[5]; N2new[5] = N1[4];
+ // change nodes in faces
+ GetMeshDS()->ChangeElementNodes( theTria1, &N1new[0], N1new.size() );
+ GetMeshDS()->ChangeElementNodes( theTria2, &N2new[0], N2new.size() );
+
+ // move the central node of biquadratic triangle
+ SMESH_MesherHelper helper( *GetMesh() );
+ for ( int is2nd = 0; is2nd < 2; ++is2nd )
+ {
+ const SMDS_MeshElement* tria = is2nd ? theTria2 : theTria1;
+ vector< const SMDS_MeshNode*>& nodes = is2nd ? N2new : N1new;
+ if ( nodes.size() < 7 )
+ continue;
+ helper.SetSubShape( tria->getshapeId() );
+ const TopoDS_Face& F = TopoDS::Face( helper.GetSubShape() );
+ gp_Pnt xyz;
+ if ( F.IsNull() )
+ {
+ xyz = ( SMESH_TNodeXYZ( nodes[3] ) +
+ SMESH_TNodeXYZ( nodes[4] ) +
+ SMESH_TNodeXYZ( nodes[5] )) / 3.;
+ }
+ else
+ {
+ bool checkUV;
+ gp_XY uv = ( helper.GetNodeUV( F, nodes[3], nodes[2], &checkUV ) +
+ helper.GetNodeUV( F, nodes[4], nodes[0], &checkUV ) +
+ helper.GetNodeUV( F, nodes[5], nodes[1], &checkUV )) / 3.;
+ TopLoc_Location loc;
+ Handle(Geom_Surface) S = BRep_Tool::Surface(F,loc);
+ xyz = S->Value( uv.X(), uv.Y() );
+ xyz.Transform( loc );
+ if ( nodes[6]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE && // set UV
+ nodes[6]->getshapeId() > 0 )
+ GetMeshDS()->SetNodeOnFace( nodes[6], nodes[6]->getshapeId(), uv.X(), uv.Y() );
+ }
+ GetMeshDS()->MoveNode( nodes[6], xyz.X(), xyz.Y(), xyz.Z() );
+ }
return true;
}
SMDS_ElemIteratorPtr it = theNode1->GetInverseElementIterator(SMDSAbs_Face);
while (it->more()) {
const SMDS_MeshElement* elem = it->next();
- if ( elem->NbNodes() == 3 )
+ if ( elem->NbCornerNodes() == 3 )
emap.insert( elem );
}
it = theNode2->GetInverseElementIterator(SMDSAbs_Face);
while (it->more()) {
const SMDS_MeshElement* elem = it->next();
- if ( emap.find( elem ) != emap.end() ) {
- if ( theTria1 ) {
- // theTria1 must be element with minimum ID
- if( theTria1->GetID() < elem->GetID() ) {
- theTria2 = elem;
- }
- else {
- theTria2 = theTria1;
- theTria1 = elem;
- }
- break;
- }
- else {
+ if ( emap.count( elem )) {
+ if ( !theTria1 )
+ {
theTria1 = elem;
}
+ else
+ {
+ theTria2 = elem;
+ // theTria1 must be element with minimum ID
+ if ( theTria2->GetID() < theTria1->GetID() )
+ std::swap( theTria2, theTria1 );
+ return true;
+ }
}
}
- return ( theTria1 && theTria2 );
+ return false;
}
//=======================================================================
// 4 +--+--+ 3
// 8
- const SMDS_MeshNode* N1 [6];
- const SMDS_MeshNode* N2 [6];
- if(!GetNodesFromTwoTria(tr1,tr2,N1,N2))
+ vector< const SMDS_MeshNode* > N1;
+ vector< const SMDS_MeshNode* > N2;
+ if(!getNodesFromTwoTria(tr1,tr2,N1,N2))
return false;
// now we receive following N1 and N2 (using numeration as above image)
// tria1 : (1 2 4 5 9 7) and tria2 : (3 4 2 8 9 6)
if ( !it || !it->more() )
return false;
- switch ( theElem->GetType() ) {
+ const SMDSAbs_ElementType type = theElem->GetType();
+ if ( type < SMDSAbs_Edge || type > SMDSAbs_Volume )
+ return false;
- case SMDSAbs_Edge:
- case SMDSAbs_Face: {
- if(!theElem->IsQuadratic()) {
- int i = theElem->NbNodes();
- vector<const SMDS_MeshNode*> aNodes( i );
- while ( it->more() )
- aNodes[ --i ]= static_cast<const SMDS_MeshNode*>( it->next() );
- return GetMeshDS()->ChangeElementNodes( theElem, &aNodes[0], theElem->NbNodes() );
- }
- else {
- // quadratic elements
- if(theElem->GetType()==SMDSAbs_Edge) {
- vector<const SMDS_MeshNode*> aNodes(3);
- aNodes[1]= static_cast<const SMDS_MeshNode*>( it->next() );
- aNodes[0]= static_cast<const SMDS_MeshNode*>( it->next() );
- aNodes[2]= static_cast<const SMDS_MeshNode*>( it->next() );
- return GetMeshDS()->ChangeElementNodes( theElem, &aNodes[0], 3 );
- }
- else {
- int nbn = theElem->NbNodes();
- vector<const SMDS_MeshNode*> aNodes(nbn);
- aNodes[0]= static_cast<const SMDS_MeshNode*>( it->next() );
- int i=1;
- for(; i<nbn/2; i++) {
- aNodes[nbn/2-i]= static_cast<const SMDS_MeshNode*>( it->next() );
- }
- for(i=0; i<nbn/2; i++) {
- aNodes[nbn-i-1]= static_cast<const SMDS_MeshNode*>( it->next() );
- }
- return GetMeshDS()->ChangeElementNodes( theElem, &aNodes[0], nbn );
- }
+ const SMDSAbs_EntityType geomType = theElem->GetEntityType();
+ if ( geomType == SMDSEntity_Polyhedra ) // polyhedron
+ {
+ const SMDS_VtkVolume* aPolyedre =
+ dynamic_cast<const SMDS_VtkVolume*>( theElem );
+ if (!aPolyedre) {
+ MESSAGE("Warning: bad volumic element");
+ return false;
}
- }
- case SMDSAbs_Volume: {
- if (theElem->IsPoly()) {
- // 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;
- }
-
- int nbFaces = aPolyedre->NbFaces();
- vector<const SMDS_MeshNode *> poly_nodes;
- vector<int> quantities (nbFaces);
+ const int nbFaces = aPolyedre->NbFaces();
+ vector<const SMDS_MeshNode *> poly_nodes;
+ vector<int> quantities (nbFaces);
- // reverse each face of the polyedre
- for (int iface = 1; iface <= nbFaces; iface++) {
- int inode, nbFaceNodes = aPolyedre->NbFaceNodes(iface);
- quantities[iface - 1] = nbFaceNodes;
+ // reverse each face of the polyedre
+ for (int iface = 1; iface <= nbFaces; iface++) {
+ int inode, nbFaceNodes = aPolyedre->NbFaceNodes(iface);
+ quantities[iface - 1] = nbFaceNodes;
- for (inode = nbFaceNodes; inode >= 1; inode--) {
- const SMDS_MeshNode* curNode = aPolyedre->GetFaceNode(iface, inode);
- poly_nodes.push_back(curNode);
- }
+ for (inode = nbFaceNodes; inode >= 1; inode--) {
+ const SMDS_MeshNode* curNode = aPolyedre->GetFaceNode(iface, inode);
+ poly_nodes.push_back(curNode);
}
-
- return GetMeshDS()->ChangePolyhedronNodes( theElem, poly_nodes, quantities );
-
- }
- else {
- SMDS_VolumeTool vTool;
- if ( !vTool.Set( theElem ))
- return false;
- vTool.Inverse();
- MESSAGE("ChangeElementNodes reorient: check vTool.Inverse");
- return GetMeshDS()->ChangeElementNodes( theElem, vTool.GetNodes(), vTool.NbNodes() );
}
+ return GetMeshDS()->ChangePolyhedronNodes( theElem, poly_nodes, quantities );
}
- default:;
+ else // other elements
+ {
+ vector<const SMDS_MeshNode*> nodes( theElem->begin_nodes(), theElem->end_nodes() );
+ const std::vector<int>& interlace = SMDS_MeshCell::reverseSmdsOrder( geomType, nodes.size() );
+ if ( interlace.empty() )
+ {
+ std::reverse( nodes.begin(), nodes.end() ); // obsolete, just in case
+ }
+ else
+ {
+ SMDS_MeshCell::applyInterlace( interlace, nodes );
+ }
+ return GetMeshDS()->ChangeElementNodes( theElem, &nodes[0], nodes.size() );
}
-
return false;
}
// orient theFace according to theDirection
gp_XYZ normal;
- SMESH_Algo::FaceNormal( theFace, normal, /*normalized=*/false );
+ SMESH_MeshAlgos::FaceNormal( theFace, normal, /*normalized=*/false );
if ( normal * theDirection.XYZ() < 0 )
nbReori += Reorient( theFace );
avoidSet.clear();
avoidSet.insert(theFace);
- NLink link( theFace->GetNode( 0 ), 0 );
+ NLink link( theFace->GetNode( 0 ), (SMDS_MeshNode *) 0 );
const int nbNodes = theFace->NbCornerNodes();
for ( int i = 0; i < nbNodes; ++i ) // loop on links of theFace
{
facesNearLink.clear();
nodeIndsOfFace.clear();
- while (( otherFace = FindFaceInSet( link.first, link.second,
- theFaces, avoidSet, &nodeInd1, &nodeInd2 )))
+ while (( otherFace = SMESH_MeshAlgos::FindFaceInSet( link.first, link.second,
+ theFaces, avoidSet,
+ &nodeInd1, &nodeInd2 )))
if ( otherFace != theFace)
{
facesNearLink.push_back( otherFace );
// 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 );
+ SMESH_MeshAlgos::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 );
+ SMESH_MeshAlgos::FaceNormal( facesNearLink[i], NOF, /*normalized=*/false );
if (( proj = Abs( NF * NOF )) > maxProj ) {
maxProj = proj;
otherFace = facesNearLink[i];
return nbReori;
}
+//================================================================================
+/*!
+ * \brief Reorient faces basing on orientation of adjacent volumes.
+ * \param theFaces - faces to reorient. If empty, all mesh faces are treated.
+ * \param theVolumes - reference volumes.
+ * \param theOutsideNormal - to orient faces to have their normal
+ * pointing either \a outside or \a inside the adjacent volumes.
+ * \return number of reoriented faces.
+ */
+//================================================================================
+
+int SMESH_MeshEditor::Reorient2DBy3D (TIDSortedElemSet & theFaces,
+ TIDSortedElemSet & theVolumes,
+ const bool theOutsideNormal)
+{
+ int nbReori = 0;
+
+ SMDS_ElemIteratorPtr faceIt;
+ if ( theFaces.empty() )
+ faceIt = GetMeshDS()->elementsIterator( SMDSAbs_Face );
+ else
+ faceIt = elemSetIterator( theFaces );
+
+ vector< const SMDS_MeshNode* > faceNodes;
+ TIDSortedElemSet checkedVolumes;
+ set< const SMDS_MeshNode* > faceNodesSet;
+ SMDS_VolumeTool volumeTool;
+
+ while ( faceIt->more() ) // loop on given faces
+ {
+ const SMDS_MeshElement* face = faceIt->next();
+ if ( face->GetType() != SMDSAbs_Face )
+ continue;
+
+ const int nbCornersNodes = face->NbCornerNodes();
+ faceNodes.assign( face->begin_nodes(), face->end_nodes() );
+
+ checkedVolumes.clear();
+ SMDS_ElemIteratorPtr vIt = faceNodes[ 0 ]->GetInverseElementIterator( SMDSAbs_Volume );
+ while ( vIt->more() )
+ {
+ const SMDS_MeshElement* volume = vIt->next();
+
+ if ( !checkedVolumes.insert( volume ).second )
+ continue;
+ if ( !theVolumes.empty() && !theVolumes.count( volume ))
+ continue;
+
+ // is volume adjacent?
+ bool allNodesCommon = true;
+ for ( int iN = 1; iN < nbCornersNodes && allNodesCommon; ++iN )
+ allNodesCommon = ( volume->GetNodeIndex( faceNodes[ iN ]) > -1 );
+ if ( !allNodesCommon )
+ continue;
+
+ // get nodes of a corresponding volume facet
+ faceNodesSet.clear();
+ faceNodesSet.insert( faceNodes.begin(), faceNodes.end() );
+ volumeTool.Set( volume );
+ int facetID = volumeTool.GetFaceIndex( faceNodesSet );
+ if ( facetID < 0 ) continue;
+ volumeTool.SetExternalNormal();
+ const SMDS_MeshNode** facetNodes = volumeTool.GetFaceNodes( facetID );
+
+ // compare order of faceNodes and facetNodes
+ const int iQ = 1 + ( nbCornersNodes < faceNodes.size() );
+ int iNN[2];
+ for ( int i = 0; i < 2; ++i )
+ {
+ const SMDS_MeshNode* n = facetNodes[ i*iQ ];
+ for ( int iN = 0; iN < nbCornersNodes; ++iN )
+ if ( faceNodes[ iN ] == n )
+ {
+ iNN[ i ] = iN;
+ break;
+ }
+ }
+ bool isOutside = Abs( iNN[0]-iNN[1] ) == 1 ? iNN[0] < iNN[1] : iNN[0] > iNN[1];
+ if ( isOutside != theOutsideNormal )
+ nbReori += Reorient( face );
+ }
+ } // loop on given faces
+
+ return nbReori;
+}
+
//=======================================================================
//function : getBadRate
//purpose :
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
- MESSAGE( "::QuadToTri()" );
-
if ( !theCrit.get() )
return false;
SMESH_MesherHelper helper( *GetMesh() );
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
+ {
const SMDS_MeshElement* elem = *itElem;
if ( !elem || elem->GetType() != SMDSAbs_Face )
continue;
SMDS_FaceOfNodes tr4 ( aNodes[3], aNodes[0], aNodes[1] );
aBadRate2 = getBadRate( &tr3, theCrit ) + getBadRate( &tr4, theCrit );
- int aShapeId = FindShape( elem );
+ const int aShapeId = FindShape( elem );
const SMDS_MeshElement* newElem1 = 0;
const SMDS_MeshElement* newElem2 = 0;
- if( !elem->IsQuadratic() ) {
-
- // split liner quadrangle
+ 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 ) {
newElem2 = aMesh->AddFace( aNodes[3], aNodes[1], aNodes[2] );
}
}
- else {
-
- // split quadratic quadrangle
+ else // split quadratic quadrangle
+ {
+ helper.SetIsQuadratic( true );
+ helper.SetIsBiQuadratic( aNodes.size() == 9 );
- // get surface elem is on
- 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 );
- }
- }
- // find middle point for (0,1,2,3)
- // and create a node in this point;
- const SMDS_MeshNode* newN = 0;
+ helper.AddTLinks( static_cast< const SMDS_MeshFace* >( elem ));
if ( aNodes.size() == 9 )
{
- // SMDSEntity_BiQuad_Quadrangle
- newN = aNodes.back();
- }
- 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;
- }
+ helper.SetIsBiQuadratic( true );
+ if ( aBadRate1 <= aBadRate2 )
+ helper.AddTLinkNode( aNodes[0], aNodes[2], aNodes[8] );
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);
+ helper.AddTLinkNode( aNodes[1], aNodes[3], aNodes[8] );
}
// create a new element
if ( aBadRate1 <= aBadRate2 ) {
- 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] );
+ newElem1 = helper.AddFace( aNodes[2], aNodes[3], aNodes[0] );
+ newElem2 = helper.AddFace( aNodes[2], aNodes[0], aNodes[1] );
}
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] );
+ newElem1 = helper.AddFace( aNodes[3], aNodes[0], aNodes[1] );
+ newElem2 = helper.AddFace( aNodes[3], aNodes[1], aNodes[2] );
}
} // quadratic case
// put a new triangle on the same shape
if ( aShapeId )
- {
- aMesh->SetMeshElementOnShape( newElem1, aShapeId );
- aMesh->SetMeshElementOnShape( newElem2, aShapeId );
- }
+ aMesh->SetMeshElementOnShape( newElem1, aShapeId );
+ aMesh->SetMeshElementOnShape( newElem2, aShapeId );
+
aMesh->RemoveElement( elem );
}
return true;
}
+//=======================================================================
+/*!
+ * \brief Split each of given quadrangles into 4 triangles.
+ * \param theElems - The faces to be splitted. If empty all faces are split.
+ */
+//=======================================================================
+
+void SMESH_MeshEditor::QuadTo4Tri (TIDSortedElemSet & theElems)
+{
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ SMESH_MesherHelper helper( *GetMesh() );
+ helper.SetElementsOnShape( true );
+
+ SMDS_ElemIteratorPtr faceIt;
+ if ( theElems.empty() ) faceIt = GetMeshDS()->elementsIterator(SMDSAbs_Face);
+ else faceIt = elemSetIterator( theElems );
+
+ bool checkUV;
+ gp_XY uv [9]; uv[8] = gp_XY(0,0);
+ gp_XYZ xyz[9];
+ vector< const SMDS_MeshNode* > nodes;
+ SMESHDS_SubMesh* subMeshDS;
+ TopoDS_Face F;
+ Handle(Geom_Surface) surface;
+ TopLoc_Location loc;
+
+ while ( faceIt->more() )
+ {
+ const SMDS_MeshElement* quad = faceIt->next();
+ if ( !quad || quad->NbCornerNodes() != 4 )
+ continue;
+
+ // get a surface the quad is on
+
+ if ( quad->getshapeId() < 1 )
+ {
+ F.Nullify();
+ helper.SetSubShape( 0 );
+ subMeshDS = 0;
+ }
+ else if ( quad->getshapeId() != helper.GetSubShapeID() )
+ {
+ helper.SetSubShape( quad->getshapeId() );
+ if ( !helper.GetSubShape().IsNull() &&
+ helper.GetSubShape().ShapeType() == TopAbs_FACE )
+ {
+ F = TopoDS::Face( helper.GetSubShape() );
+ surface = BRep_Tool::Surface( F, loc );
+ subMeshDS = GetMeshDS()->MeshElements( quad->getshapeId() );
+ }
+ else
+ {
+ helper.SetSubShape( 0 );
+ subMeshDS = 0;
+ }
+ }
+
+ // create a central node
+
+ const SMDS_MeshNode* nCentral;
+ nodes.assign( quad->begin_nodes(), quad->end_nodes() );
+
+ if ( nodes.size() == 9 )
+ {
+ nCentral = nodes.back();
+ }
+ else
+ {
+ size_t iN = 0;
+ if ( F.IsNull() )
+ {
+ for ( ; iN < nodes.size(); ++iN )
+ xyz[ iN ] = SMESH_TNodeXYZ( nodes[ iN ] );
+
+ for ( ; iN < 8; ++iN ) // mid-side points of a linear qudrangle
+ xyz[ iN ] = 0.5 * ( xyz[ iN - 4 ] + xyz[( iN - 3 )%4 ] );
+
+ xyz[ 8 ] = helper.calcTFI( 0.5, 0.5,
+ xyz[0], xyz[1], xyz[2], xyz[3],
+ xyz[4], xyz[5], xyz[6], xyz[7] );
+ }
+ else
+ {
+ for ( ; iN < nodes.size(); ++iN )
+ uv[ iN ] = helper.GetNodeUV( F, nodes[iN], nodes[(iN+2)%4], &checkUV );
+
+ for ( ; iN < 8; ++iN ) // UV of mid-side points of a linear qudrangle
+ uv[ iN ] = helper.GetMiddleUV( surface, uv[ iN - 4 ], uv[( iN - 3 )%4 ] );
+
+ uv[ 8 ] = helper.calcTFI( 0.5, 0.5,
+ uv[0], uv[1], uv[2], uv[3],
+ uv[4], uv[5], uv[6], uv[7] );
+
+ gp_Pnt p = surface->Value( uv[8].X(), uv[8].Y() ).Transformed( loc );
+ xyz[ 8 ] = p.XYZ();
+ }
+
+ nCentral = helper.AddNode( xyz[8].X(), xyz[8].Y(), xyz[8].Z(), /*id=*/0,
+ uv[8].X(), uv[8].Y() );
+ myLastCreatedNodes.Append( nCentral );
+ }
+
+ // create 4 triangles
+
+ GetMeshDS()->RemoveFreeElement( quad, subMeshDS, /*fromGroups=*/false );
+
+ helper.SetIsQuadratic ( nodes.size() > 4 );
+ helper.SetIsBiQuadratic( nodes.size() == 9 );
+ if ( helper.GetIsQuadratic() )
+ helper.AddTLinks( static_cast< const SMDS_MeshFace*>( quad ));
+
+ for ( int i = 0; i < 4; ++i )
+ {
+ SMDS_MeshElement* tria = helper.AddFace( nodes[ i ],
+ nodes[(i+1)%4],
+ nCentral );
+ ReplaceElemInGroups( tria, quad, GetMeshDS() );
+ myLastCreatedElems.Append( tria );
+ }
+ }
+}
+
//=======================================================================
//function : BestSplit
//purpose : Find better diagonal for cutting.
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
+ // Methods of splitting hexahedron into prisms
- 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 theHexTo4Prisms_BT[6*4+1] = // bottom-top
{
- 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;
+ 0, 1, 8, 4, 5, 9, 1, 2, 8, 5, 6, 9, 2, 3, 8, 6, 7, 9, 3, 0, 8, 7, 4, 9, -1
+ };
+ const int theHexTo4Prisms_LR[6*4+1] = // left-right
+ {
+ 1, 0, 8, 2, 3, 9, 0, 4, 8, 3, 7, 9, 4, 5, 8, 7, 6, 9, 5, 1, 8, 6, 2, 9, -1
+ };
+ const int theHexTo4Prisms_FB[6*4+1] = // front-back
+ {
+ 0, 3, 9, 1, 2, 8, 3, 7, 9, 2, 6, 8, 7, 4, 9, 6, 5, 8, 4, 0, 9, 5, 1, 8, -1
+ };
+
+ const int theHexTo2Prisms_BT_1[6*2+1] =
+ {
+ 0, 1, 3, 4, 5, 7, 1, 2, 3, 5, 6, 7, -1
+ };
+ const int theHexTo2Prisms_BT_2[6*2+1] =
+ {
+ 0, 1, 2, 4, 5, 6, 0, 2, 3, 4, 6, 7, -1
+ };
+ const int* theHexTo2Prisms_BT[2] = { theHexTo2Prisms_BT_1, theHexTo2Prisms_BT_2 };
+
+ const int theHexTo2Prisms_LR_1[6*2+1] =
+ {
+ 1, 0, 4, 2, 3, 7, 1, 4, 5, 2, 7, 6, -1
+ };
+ const int theHexTo2Prisms_LR_2[6*2+1] =
+ {
+ 1, 0, 4, 2, 3, 7, 1, 4, 5, 2, 7, 6, -1
+ };
+ const int* theHexTo2Prisms_LR[2] = { theHexTo2Prisms_LR_1, theHexTo2Prisms_LR_2 };
+
+ const int theHexTo2Prisms_FB_1[6*2+1] =
+ {
+ 0, 3, 4, 1, 2, 5, 3, 7, 4, 2, 6, 5, -1
+ };
+ const int theHexTo2Prisms_FB_2[6*2+1] =
+ {
+ 0, 3, 7, 1, 2, 7, 0, 7, 4, 1, 6, 5, -1
+ };
+ const int* theHexTo2Prisms_FB[2] = { theHexTo2Prisms_FB_1, theHexTo2Prisms_FB_2 };
+
+
+ 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 hasAdjacentVol( const SMDS_MeshElement* elem,
+ const SMDSAbs_GeometryType geom = SMDSGeom_TETRA) const;
+ };
+ struct TSplitMethod
+ {
+ int _nbSplits;
+ int _nbCorners;
+ 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)
+ : _nbSplits(nbTet), _nbCorners(4), _connectivity(conn), _baryNode(addNode), _ownConn(false) {}
+ ~TSplitMethod() { if ( _ownConn ) delete [] _connectivity; _connectivity = 0; }
+ bool hasFacet( const TTriangleFacet& facet ) const
+ {
+ if ( _nbCorners == 4 )
+ {
+ 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;
+ }
+ else // prism, _nbCorners == 6
+ {
+ const int* prismConn = _connectivity;
+ for ( ; prismConn[0] >= 0; prismConn += 6 )
+ {
+ if (( facet.contains( prismConn[0] ) &&
+ facet.contains( prismConn[1] ) &&
+ facet.contains( prismConn[2] ))
+ ||
+ ( facet.contains( prismConn[3] ) &&
+ facet.contains( prismConn[4] ) &&
+ facet.contains( prismConn[5] )))
+ return true;
+ }
+ }
return false;
}
};
//=======================================================================
/*!
- * \brief return TSplitMethod for the given element
+ * \brief return TSplitMethod for the given element to split into tetrahedra
*/
//=======================================================================
- TSplitMethod getSplitMethod( SMDS_VolumeTool& vol, const int theMethodFlags)
+ TSplitMethod getTetraSplitMethod( SMDS_VolumeTool& vol, const int theMethodFlags)
{
const int iQ = vol.Element()->IsQuadratic() ? 2 : 1;
{
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 );
+ if ( t012.hasAdjacentVol( vol.Element() )) triaSplits.push_back( t012 );
+ else if ( t123.hasAdjacentVol( vol.Element() )) triaSplits.push_back( t123 );
}
else
{
TTriangleFacet t023( nInd[ iQ * ( iCom )],
nInd[ iQ * ( (iCom+2)%nbNodes )],
nInd[ iQ * ( (iCom+3)%nbNodes )]);
- if ( t012.hasAdjacentTetra( vol.Element() ) && t023.hasAdjacentTetra( vol.Element() ))
+ if ( t012.hasAdjacentVol( vol.Element() ) && t023.hasAdjacentVol( vol.Element() ))
{
triaSplits.push_back( t012 );
triaSplits.push_back( t023 );
default:
nbVariants = 0;
}
- for ( int variant = 0; variant < nbVariants && method._nbTetra == 0; ++variant )
+ for ( int variant = 0; variant < nbVariants && method._nbSplits == 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 )
+ if ( hasAdjacentSplits && method._nbSplits > 0 )
{
bool facetCreated = true;
for ( int iF = 0; facetCreated && iF < triaSplitsByFace.size(); ++iF )
}
}
}
- if ( method._nbTetra < 1 )
+ if ( method._nbSplits < 1 )
{
// No standard method is applicable, use a generic solution:
// each facet of a volume is split into triangles and
connectivity[ connSize++ ] = baryCenInd;
}
}
- method._nbTetra += nbTet;
+ method._nbSplits += nbTet;
} // loop on volume faces
return method;
}
+ //=======================================================================
+ /*!
+ * \brief return TSplitMethod to split haxhedron into prisms
+ */
+ //=======================================================================
+
+ TSplitMethod getPrismSplitMethod( SMDS_VolumeTool& vol,
+ const int methodFlags,
+ const int facetToSplit)
+ {
+ // order of facets in HEX according to SMDS_VolumeTool::Hexa_F :
+ // B, T, L, B, R, F
+ const int iF = ( facetToSplit < 2 ) ? 0 : 1 + ( facetToSplit-2 ) % 2; // [0,1,2]
+
+ if ( methodFlags == SMESH_MeshEditor::HEXA_TO_4_PRISMS )
+ {
+ static TSplitMethod to4methods[4]; // order BT, LR, FB
+ if ( to4methods[iF]._nbSplits == 0 )
+ {
+ switch ( iF ) {
+ case 0:
+ to4methods[iF]._connectivity = theHexTo4Prisms_BT;
+ to4methods[iF]._faceBaryNode[ 0 ] = 0;
+ to4methods[iF]._faceBaryNode[ 1 ] = 0;
+ break;
+ case 1:
+ to4methods[iF]._connectivity = theHexTo4Prisms_LR;
+ to4methods[iF]._faceBaryNode[ 2 ] = 0;
+ to4methods[iF]._faceBaryNode[ 4 ] = 0;
+ break;
+ case 2:
+ to4methods[iF]._connectivity = theHexTo4Prisms_FB;
+ to4methods[iF]._faceBaryNode[ 3 ] = 0;
+ to4methods[iF]._faceBaryNode[ 5 ] = 0;
+ break;
+ default: return to4methods[3];
+ }
+ to4methods[iF]._nbSplits = 4;
+ to4methods[iF]._nbCorners = 6;
+ }
+ return to4methods[iF];
+ }
+ // else if ( methodFlags == HEXA_TO_2_PRISMS )
+
+ TSplitMethod method;
+
+ const int iQ = vol.Element()->IsQuadratic() ? 2 : 1;
+
+ const int nbVariants = 2, nbSplits = 2;
+ const int** connVariants = 0;
+ switch ( iF ) {
+ case 0: connVariants = theHexTo2Prisms_BT; break;
+ case 1: connVariants = theHexTo2Prisms_LR; break;
+ case 2: connVariants = theHexTo2Prisms_FB; break;
+ default: return method;
+ }
+
+ // look for prisms adjacent via facetToSplit and an opposite one
+ for ( int is2nd = 0; is2nd < 2; ++is2nd )
+ {
+ int iFacet = is2nd ? vol.GetOppFaceIndexOfHex( facetToSplit ) : facetToSplit;
+ int nbNodes = vol.NbFaceNodes( iFacet ) / iQ;
+ if ( nbNodes != 4 ) return method;
+
+ const int* nInd = vol.GetFaceNodesIndices( iFacet );
+ TTriangleFacet t012( nInd[0*iQ], nInd[1*iQ], nInd[2*iQ] );
+ TTriangleFacet t123( nInd[1*iQ], nInd[2*iQ], nInd[3*iQ] );
+ TTriangleFacet* t;
+ if ( t012.hasAdjacentVol( vol.Element(), SMDSGeom_PENTA ))
+ t = &t012;
+ else if ( t123.hasAdjacentVol( vol.Element(), SMDSGeom_PENTA ))
+ t = &t123;
+ else
+ continue;
+
+ // there are adjacent prism
+ for ( int variant = 0; variant < nbVariants; ++variant )
+ {
+ // check method compliancy with adjacent prisms,
+ // the found prism facets must be among facets of prisms described by current method
+ method._nbSplits = nbSplits;
+ method._nbCorners = 6;
+ method._connectivity = connVariants[ variant ];
+ if ( method.hasFacet( *t ))
+ return method;
+ }
+ }
+
+ // No adjacent prisms. Select a variant with a best aspect ratio.
+
+ double badness[2] = { 0, 0 };
+ static SMESH::Controls::NumericalFunctorPtr aspectRatio( new SMESH::Controls::AspectRatio);
+ const SMDS_MeshNode** nodes = vol.GetNodes();
+ for ( int variant = 0; variant < nbVariants; ++variant )
+ for ( int is2nd = 0; is2nd < 2; ++is2nd )
+ {
+ int iFacet = is2nd ? vol.GetOppFaceIndexOfHex( facetToSplit ) : facetToSplit;
+ const int* nInd = vol.GetFaceNodesIndices( iFacet );
+
+ method._connectivity = connVariants[ variant ];
+ TTriangleFacet t012( nInd[0*iQ], nInd[1*iQ], nInd[2*iQ] );
+ TTriangleFacet t123( nInd[1*iQ], nInd[2*iQ], nInd[3*iQ] );
+ TTriangleFacet* t = ( method.hasFacet( t012 )) ? & t012 : & t123;
+
+ SMDS_FaceOfNodes tria ( nodes[ t->_n1 ],
+ nodes[ t->_n2 ],
+ nodes[ t->_n3 ] );
+ badness[ variant ] += getBadRate( &tria, aspectRatio );
+ }
+ const int iBetter = ( badness[1] < badness[0] && badness[0]-badness[1] > 0.1 * badness[0] );
+
+ method._nbSplits = nbSplits;
+ method._nbCorners = 6;
+ method._connectivity = connVariants[ iBetter ];
+
+ 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
+ bool TTriangleFacet::hasAdjacentVol( const SMDS_MeshElement* elem,
+ const SMDSAbs_GeometryType geom ) const
{
// find the tetrahedron including the three nodes of facet
const SMDS_MeshNode* n1 = elem->GetNode(_n1);
while ( volIt1->more() )
{
const SMDS_MeshElement* v = volIt1->next();
- SMDSAbs_EntityType type = v->GetEntityType();
- if ( type != SMDSEntity_Tetra && type != SMDSEntity_Quad_Tetra )
+ if ( v->GetGeomType() != geom )
continue;
- if ( type == SMDSEntity_Quad_Tetra && v->GetNodeIndex( n1 ) > 3 )
+ const int lastCornerInd = v->NbCornerNodes() - 1;
+ if ( v->IsQuadratic() && v->GetNodeIndex( n1 ) > lastCornerInd )
continue; // medium node not allowed
const int ind2 = v->GetNodeIndex( n2 );
- if ( ind2 < 0 || 3 < ind2 )
+ if ( ind2 < 0 || lastCornerInd < ind2 )
continue;
const int ind3 = v->GetNodeIndex( n3 );
- if ( ind3 < 0 || 3 < ind3 )
+ if ( ind3 < 0 || lastCornerInd < ind3 )
continue;
return true;
}
} // namespace
//=======================================================================
-//function : SplitVolumesIntoTetra
-//purpose : Split volume elements into tetrahedra.
+//function : SplitVolumes
+//purpose : Split volume elements into tetrahedra or prisms.
+// If facet ID < 0, element is split into tetrahedra,
+// else a hexahedron is split into prisms so that the given facet is
+// split into triangles
//=======================================================================
-void SMESH_MeshEditor::SplitVolumesIntoTetra (const TIDSortedElemSet & theElems,
- const int theMethodFlags)
+void SMESH_MeshEditor::SplitVolumes (const TFacetOfElem & theElems,
+ const int theMethodFlags)
{
- // std-like iterator on coordinates of nodes of mesh element
- typedef SMDS_StdIterator< SMESH_TNodeXYZ, SMDS_ElemIteratorPtr > NXyzIterator;
- NXyzIterator xyzEnd;
-
SMDS_VolumeTool volTool;
- SMESH_MesherHelper helper( *GetMesh());
+ SMESH_MesherHelper helper( *GetMesh()), fHelper(*GetMesh());
+ fHelper.ToFixNodeParameters( true );
SMESHDS_SubMesh* subMesh = 0;//GetMeshDS()->MeshElements(1);
SMESHDS_SubMesh* fSubMesh = 0;//subMesh;
// map face of volume to it's baricenrtic node
map< TVolumeFaceKey, const SMDS_MeshNode* > volFace2BaryNode;
double bc[3];
+ vector<const SMDS_MeshElement* > splitVols;
- TIDSortedElemSet::const_iterator elem = theElems.begin();
- for ( ; elem != theElems.end(); ++elem )
+ TFacetOfElem::const_iterator elem2facet = theElems.begin();
+ for ( ; elem2facet != theElems.end(); ++elem2facet )
{
- if ( (*elem)->GetType() != SMDSAbs_Volume )
+ const SMDS_MeshElement* elem = elem2facet->first;
+ const int facetToSplit = elem2facet->second;
+ if ( elem->GetType() != SMDSAbs_Volume )
continue;
- SMDSAbs_EntityType geomType = (*elem)->GetEntityType();
+ const SMDSAbs_EntityType geomType = elem->GetEntityType();
if ( geomType == SMDSEntity_Tetra || geomType == SMDSEntity_Quad_Tetra )
continue;
- if ( !volTool.Set( *elem, /*ignoreCentralNodes=*/false )) continue; // strange...
+ if ( !volTool.Set( elem, /*ignoreCentralNodes=*/false )) continue; // strange...
- TSplitMethod splitMethod = getSplitMethod( volTool, theMethodFlags );
- if ( splitMethod._nbTetra < 1 ) continue;
+ TSplitMethod splitMethod = ( facetToSplit < 0 ?
+ getTetraSplitMethod( volTool, theMethodFlags ) :
+ getPrismSplitMethod( volTool, theMethodFlags, facetToSplit ));
+ if ( splitMethod._nbSplits < 1 ) continue;
// find submesh to add new tetras to
- if ( !subMesh || !subMesh->Contains( *elem ))
+ if ( !subMesh || !subMesh->Contains( elem ))
{
- int shapeID = FindShape( *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() )
+ if ( elem->IsQuadratic() )
{
iQ = 2;
// add quadratic links to the helper
iQ = 1;
helper.SetIsQuadratic( false );
}
- vector<const SMDS_MeshNode*> nodes( (*elem)->begin_nodes(), (*elem)->end_nodes() );
+ vector<const SMDS_MeshNode*> nodes( volTool.GetNodes(),
+ volTool.GetNodes() + elem->NbNodes() );
helper.SetElementsOnShape( true );
if ( splitMethod._baryNode )
{
}
}
- // 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] ]));
+ // make new volumes
+ splitVols.resize( splitMethod._nbSplits ); // splits of a volume
+ const int* volConn = splitMethod._connectivity;
+ if ( splitMethod._nbCorners == 4 ) // tetra
+ for ( int i = 0; i < splitMethod._nbSplits; ++i, volConn += splitMethod._nbCorners )
+ newElems.Append( splitVols[ i ] = helper.AddVolume( nodes[ volConn[0] ],
+ nodes[ volConn[1] ],
+ nodes[ volConn[2] ],
+ nodes[ volConn[3] ]));
+ else // prisms
+ for ( int i = 0; i < splitMethod._nbSplits; ++i, volConn += splitMethod._nbCorners )
+ newElems.Append( splitVols[ i ] = helper.AddVolume( nodes[ volConn[0] ],
+ nodes[ volConn[1] ],
+ nodes[ volConn[2] ],
+ nodes[ volConn[3] ],
+ nodes[ volConn[4] ],
+ nodes[ volConn[5] ]));
- ReplaceElemInGroups( *elem, tetras, GetMeshDS() );
+ ReplaceElemInGroups( elem, splitVols, GetMeshDS() );
// Split faces on sides of the split volume
map<int, const SMDS_MeshNode*>::iterator iF_n = splitMethod._faceBaryNode.find(iF);
if ( iF_n != splitMethod._faceBaryNode.end() )
{
+ const SMDS_MeshNode *baryNode = iF_n->second;
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;
+ const SMDS_MeshNode *n3 = baryNode;
if ( !volTool.IsFaceExternal( iF ))
swap( n2, n3 );
triangles.push_back( helper.AddFace( n1,n2,n3 ));
-
- if ( fSubMesh && n3->getshapeId() < 1 )
- fSubMesh->AddNode( n3 );
+ }
+ if ( fSubMesh ) // update position of the bary node on geometry
+ {
+ if ( subMesh )
+ subMesh->RemoveNode( baryNode, false );
+ GetMeshDS()->SetNodeOnFace( baryNode, fSubMesh->GetID() );
+ const TopoDS_Shape& s = GetMeshDS()->IndexToShape( fSubMesh->GetID() );
+ if ( !s.IsNull() && s.ShapeType() == TopAbs_FACE )
+ {
+ fHelper.SetSubShape( s );
+ gp_XY uv( 1e100, 1e100 );
+ double distXYZ[4];
+ if ( !fHelper.CheckNodeUV( TopoDS::Face( s ), baryNode,
+ uv, /*tol=*/1e-7, /*force=*/true, distXYZ ) &&
+ uv.X() < 1e100 )
+ {
+ // node is too far from the surface
+ GetMeshDS()->MoveNode( baryNode, distXYZ[1], distXYZ[2], distXYZ[3] );
+ const_cast<SMDS_MeshNode*>( baryNode )->SetPosition
+ ( SMDS_PositionPtr( new SMDS_FacePosition( uv.X(), uv.Y() )));
+ }
+ }
}
}
else
}
}
list< TTriangleFacet >::iterator facet = facets.begin();
+ if ( facet == facets.end() )
+ break;
for ( ; facet != facets.end(); ++facet )
{
if ( !volTool.IsFaceExternal( iF ))
}
ReplaceElemInGroups( face, triangles, GetMeshDS() );
GetMeshDS()->RemoveFreeElement( face, fSubMesh, /*fromGroups=*/false );
- }
+ } // while a face based on facet nodes exists
} // loop on volume faces to split them into triangles
- GetMeshDS()->RemoveFreeElement( *elem, subMesh, /*fromGroups=*/false );
+ GetMeshDS()->RemoveFreeElement( elem, subMesh, /*fromGroups=*/false );
if ( geomType == SMDSEntity_TriQuad_Hexa )
{
GetMeshDS()->RemoveNode( volNodes[i] );
}
} // loop on volumes to split
-
+
myLastCreatedNodes = newNodes;
myLastCreatedElems = newElems;
}
+//=======================================================================
+//function : GetHexaFacetsToSplit
+//purpose : For hexahedra that will be split into prisms, finds facets to
+// split into triangles. Only hexahedra adjacent to the one closest
+// to theFacetNormal.Location() are returned.
+//param [in,out] theHexas - the hexahedra
+//param [in] theFacetNormal - facet normal
+//param [out] theFacets - the hexahedra and found facet IDs
+//=======================================================================
+
+void SMESH_MeshEditor::GetHexaFacetsToSplit( TIDSortedElemSet& theHexas,
+ const gp_Ax1& theFacetNormal,
+ TFacetOfElem & theFacets)
+{
+ #define THIS_METHOD "SMESH_MeshEditor::GetHexaFacetsToSplit(): "
+
+ // Find a hexa closest to the location of theFacetNormal
+
+ const SMDS_MeshElement* startHex;
+ {
+ // get SMDS_ElemIteratorPtr on theHexas
+ typedef const SMDS_MeshElement* TValue;
+ typedef TIDSortedElemSet::iterator TSetIterator;
+ typedef SMDS::SimpleAccessor<TValue,TSetIterator> TAccesor;
+ typedef SMDS_MeshElement::GeomFilter TFilter;
+ typedef SMDS_SetIterator < TValue, TSetIterator, TAccesor, TFilter > TElemSetIter;
+ SMDS_ElemIteratorPtr elemIt = SMDS_ElemIteratorPtr
+ ( new TElemSetIter( theHexas.begin(),
+ theHexas.end(),
+ SMDS_MeshElement::GeomFilter( SMDSGeom_HEXA )));
+
+ SMESH_ElementSearcher* searcher =
+ SMESH_MeshAlgos::GetElementSearcher( *myMesh->GetMeshDS(), elemIt );
+
+ startHex = searcher->FindClosestTo( theFacetNormal.Location(), SMDSAbs_Volume );
+
+ delete searcher;
+
+ if ( !startHex )
+ throw SALOME_Exception( THIS_METHOD "startHex not found");
+ }
+
+ // Select a facet of startHex by theFacetNormal
+
+ SMDS_VolumeTool vTool( startHex );
+ double norm[3], dot, maxDot = 0;
+ int facetID = -1;
+ for ( int iF = 0; iF < vTool.NbFaces(); ++iF )
+ if ( vTool.GetFaceNormal( iF, norm[0], norm[1], norm[2] ))
+ {
+ dot = Abs( theFacetNormal.Direction().Dot( gp_Dir( norm[0], norm[1], norm[2] )));
+ if ( dot > maxDot )
+ {
+ facetID = iF;
+ maxDot = dot;
+ }
+ }
+ if ( facetID < 0 )
+ throw SALOME_Exception( THIS_METHOD "facet of startHex not found");
+
+ // Fill theFacets starting from facetID of startHex
+
+ // facets used for seach of volumes adjacent to already treated ones
+ typedef pair< TFacetOfElem::iterator, int > TElemFacets;
+ typedef map< TVolumeFaceKey, TElemFacets > TFacetMap;
+ TFacetMap facetsToCheck;
+
+ set<const SMDS_MeshNode*> facetNodes;
+ const SMDS_MeshElement* curHex;
+
+ const bool allHex = ( theHexas.size() == myMesh->NbHexas() );
+
+ while ( startHex )
+ {
+ // move in two directions from startHex via facetID
+ for ( int is2nd = 0; is2nd < 2; ++is2nd )
+ {
+ curHex = startHex;
+ int curFacet = facetID;
+ if ( is2nd ) // do not treat startHex twice
+ {
+ vTool.Set( curHex );
+ if ( vTool.IsFreeFace( curFacet, &curHex ))
+ {
+ curHex = 0;
+ }
+ else
+ {
+ vTool.GetFaceNodes( curFacet, facetNodes );
+ vTool.Set( curHex );
+ curFacet = vTool.GetFaceIndex( facetNodes );
+ }
+ }
+ while ( curHex )
+ {
+ // store a facet to split
+ if ( curHex->GetGeomType() != SMDSGeom_HEXA )
+ {
+ theFacets.insert( make_pair( curHex, -1 ));
+ break;
+ }
+ if ( !allHex && !theHexas.count( curHex ))
+ break;
+
+ pair< TFacetOfElem::iterator, bool > facetIt2isNew =
+ theFacets.insert( make_pair( curHex, curFacet ));
+ if ( !facetIt2isNew.second )
+ break;
+
+ // remember not-to-split facets in facetsToCheck
+ int oppFacet = vTool.GetOppFaceIndexOfHex( curFacet );
+ for ( int iF = 0; iF < vTool.NbFaces(); ++iF )
+ {
+ if ( iF == curFacet && iF == oppFacet )
+ continue;
+ TVolumeFaceKey facetKey ( vTool, iF );
+ TElemFacets elemFacet( facetIt2isNew.first, iF );
+ pair< TFacetMap::iterator, bool > it2isnew =
+ facetsToCheck.insert( make_pair( facetKey, elemFacet ));
+ if ( !it2isnew.second )
+ facetsToCheck.erase( it2isnew.first ); // adjacent hex already checked
+ }
+ // pass to a volume adjacent via oppFacet
+ if ( vTool.IsFreeFace( oppFacet, &curHex ))
+ {
+ curHex = 0;
+ }
+ else
+ {
+ // get a new curFacet
+ vTool.GetFaceNodes( oppFacet, facetNodes );
+ vTool.Set( curHex );
+ curFacet = vTool.GetFaceIndex( facetNodes, /*hint=*/curFacet );
+ }
+ }
+ } // move in two directions from startHex via facetID
+
+ // Find a new startHex by facetsToCheck
+
+ startHex = 0;
+ facetID = -1;
+ TFacetMap::iterator fIt = facetsToCheck.begin();
+ while ( !startHex && fIt != facetsToCheck.end() )
+ {
+ const TElemFacets& elemFacets = fIt->second;
+ const SMDS_MeshElement* hex = elemFacets.first->first;
+ int splitFacet = elemFacets.first->second;
+ int lateralFacet = elemFacets.second;
+ facetsToCheck.erase( fIt );
+ fIt = facetsToCheck.begin();
+
+ vTool.Set( hex );
+ if ( vTool.IsFreeFace( lateralFacet, &curHex ) ||
+ curHex->GetGeomType() != SMDSGeom_HEXA )
+ continue;
+ if ( !allHex && !theHexas.count( curHex ))
+ continue;
+
+ startHex = curHex;
+
+ // find a facet of startHex to split
+
+ set<const SMDS_MeshNode*> lateralNodes;
+ vTool.GetFaceNodes( lateralFacet, lateralNodes );
+ vTool.GetFaceNodes( splitFacet, facetNodes );
+ int oppLateralFacet = vTool.GetOppFaceIndexOfHex( lateralFacet );
+ vTool.Set( startHex );
+ lateralFacet = vTool.GetFaceIndex( lateralNodes, oppLateralFacet );
+
+ // look for a facet of startHex having common nodes with facetNodes
+ // but not lateralFacet
+ for ( int iF = 0; iF < vTool.NbFaces(); ++iF )
+ {
+ if ( iF == lateralFacet )
+ continue;
+ int nbCommonNodes = 0;
+ const SMDS_MeshNode** nn = vTool.GetFaceNodes( iF );
+ for ( int iN = 0, nbN = vTool.NbFaceNodes( iF ); iN < nbN; ++iN )
+ nbCommonNodes += facetNodes.count( nn[ iN ]);
+
+ if ( nbCommonNodes >= 2 )
+ {
+ facetID = iF;
+ break;
+ }
+ }
+ if ( facetID < 0 )
+ throw SALOME_Exception( THIS_METHOD "facet of a new startHex not found");
+ }
+ } // while ( startHex )
+
+ return;
+}
+
+namespace
+{
+ //================================================================================
+ /*!
+ * \brief Selects nodes of several elements according to a given interlace
+ * \param [in] srcNodes - nodes to select from
+ * \param [out] tgtNodesVec - array of nodes of several elements to fill in
+ * \param [in] interlace - indices of nodes for all elements
+ * \param [in] nbElems - nb of elements
+ * \param [in] nbNodes - nb of nodes in each element
+ * \param [in] mesh - the mesh
+ * \param [out] elemQueue - a list to push elements found by the selected nodes
+ * \param [in] type - type of elements to look for
+ */
+ //================================================================================
+
+ void selectNodes( const vector< const SMDS_MeshNode* >& srcNodes,
+ vector< const SMDS_MeshNode* >* tgtNodesVec,
+ const int* interlace,
+ const int nbElems,
+ const int nbNodes,
+ SMESHDS_Mesh* mesh = 0,
+ list< const SMDS_MeshElement* >* elemQueue=0,
+ SMDSAbs_ElementType type=SMDSAbs_All)
+ {
+ for ( int iE = 0; iE < nbElems; ++iE )
+ {
+ vector< const SMDS_MeshNode* >& elemNodes = tgtNodesVec[iE];
+ const int* select = & interlace[iE*nbNodes];
+ elemNodes.resize( nbNodes );
+ for ( int iN = 0; iN < nbNodes; ++iN )
+ elemNodes[iN] = srcNodes[ select[ iN ]];
+ }
+ const SMDS_MeshElement* e;
+ if ( elemQueue )
+ for ( int iE = 0; iE < nbElems; ++iE )
+ if (( e = mesh->FindElement( tgtNodesVec[iE], type, /*noMedium=*/false)))
+ elemQueue->push_back( e );
+ }
+}
+
+//=======================================================================
+/*
+ * Split bi-quadratic elements into linear ones without creation of additional nodes
+ * - bi-quadratic triangle will be split into 3 linear quadrangles;
+ * - bi-quadratic quadrangle will be split into 4 linear quadrangles;
+ * - tri-quadratic hexahedron will be split into 8 linear hexahedra;
+ * Quadratic elements of lower dimension adjacent to the split bi-quadratic element
+ * will be split in order to keep the mesh conformal.
+ * \param elems - elements to split
+ */
+//=======================================================================
+
+void SMESH_MeshEditor::SplitBiQuadraticIntoLinear(TIDSortedElemSet& theElems)
+{
+ vector< const SMDS_MeshNode* > elemNodes(27), subNodes[12], splitNodes[8];
+ vector<const SMDS_MeshElement* > splitElems;
+ list< const SMDS_MeshElement* > elemQueue;
+ list< const SMDS_MeshElement* >::iterator elemIt;
+
+ SMESHDS_Mesh * mesh = GetMeshDS();
+ ElemFeatures *elemType, hexaType(SMDSAbs_Volume), quadType(SMDSAbs_Face), segType(SMDSAbs_Edge);
+ int nbElems, nbNodes;
+
+ TIDSortedElemSet::iterator elemSetIt = theElems.begin();
+ for ( ; elemSetIt != theElems.end(); ++elemSetIt )
+ {
+ elemQueue.clear();
+ elemQueue.push_back( *elemSetIt );
+ for ( elemIt = elemQueue.begin(); elemIt != elemQueue.end(); ++elemIt )
+ {
+ const SMDS_MeshElement* elem = *elemIt;
+ switch( elem->GetEntityType() )
+ {
+ case SMDSEntity_TriQuad_Hexa: // HEX27
+ {
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = nbNodes = 8;
+ elemType = & hexaType;
+
+ // get nodes for new elements
+ static int vInd[8][8] = {{ 0,8,20,11, 16,21,26,24 },
+ { 1,9,20,8, 17,22,26,21 },
+ { 2,10,20,9, 18,23,26,22 },
+ { 3,11,20,10, 19,24,26,23 },
+ { 16,21,26,24, 4,12,25,15 },
+ { 17,22,26,21, 5,13,25,12 },
+ { 18,23,26,22, 6,14,25,13 },
+ { 19,24,26,23, 7,15,25,14 }};
+ selectNodes( elemNodes, & splitNodes[0], &vInd[0][0], nbElems, nbNodes );
+
+ // add boundary faces to elemQueue
+ static int fInd[6][9] = {{ 0,1,2,3, 8,9,10,11, 20 },
+ { 4,5,6,7, 12,13,14,15, 25 },
+ { 0,1,5,4, 8,17,12,16, 21 },
+ { 1,2,6,5, 9,18,13,17, 22 },
+ { 2,3,7,6, 10,19,14,18, 23 },
+ { 3,0,4,7, 11,16,15,19, 24 }};
+ selectNodes( elemNodes, & subNodes[0], &fInd[0][0], 6,9, mesh, &elemQueue, SMDSAbs_Face );
+
+ // add boundary segments to elemQueue
+ static int eInd[12][3] = {{ 0,1,8 }, { 1,2,9 }, { 2,3,10 }, { 3,0,11 },
+ { 4,5,12}, { 5,6,13}, { 6,7,14 }, { 7,4,15 },
+ { 0,4,16}, { 1,5,17}, { 2,6,18 }, { 3,7,19 }};
+ selectNodes( elemNodes, & subNodes[0], &eInd[0][0], 12,3, mesh, &elemQueue, SMDSAbs_Edge );
+ break;
+ }
+ case SMDSEntity_BiQuad_Triangle: // TRIA7
+ {
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = 3;
+ nbNodes = 4;
+ elemType = & quadType;
+
+ // get nodes for new elements
+ static int fInd[3][4] = {{ 0,3,6,5 }, { 1,4,6,3 }, { 2,5,6,4 }};
+ selectNodes( elemNodes, & splitNodes[0], &fInd[0][0], nbElems, nbNodes );
+
+ // add boundary segments to elemQueue
+ static int eInd[3][3] = {{ 0,1,3 }, { 1,2,4 }, { 2,0,5 }};
+ selectNodes( elemNodes, & subNodes[0], &eInd[0][0], 3,3, mesh, &elemQueue, SMDSAbs_Edge );
+ break;
+ }
+ case SMDSEntity_BiQuad_Quadrangle: // QUAD9
+ {
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = 4;
+ nbNodes = 4;
+ elemType = & quadType;
+
+ // get nodes for new elements
+ static int fInd[4][4] = {{ 0,4,8,7 }, { 1,5,8,4 }, { 2,6,8,5 }, { 3,7,8,6 }};
+ selectNodes( elemNodes, & splitNodes[0], &fInd[0][0], nbElems, nbNodes );
+
+ // add boundary segments to elemQueue
+ static int eInd[4][3] = {{ 0,1,4 }, { 1,2,5 }, { 2,3,6 }, { 3,0,7 }};
+ selectNodes( elemNodes, & subNodes[0], &eInd[0][0], 4,3, mesh, &elemQueue, SMDSAbs_Edge );
+ break;
+ }
+ case SMDSEntity_Quad_Edge:
+ {
+ if ( elemIt == elemQueue.begin() )
+ continue; // an elem is in theElems
+ elemNodes.assign( elem->begin_nodes(), elem->end_nodes() );
+ nbElems = 2;
+ nbNodes = 2;
+ elemType = & segType;
+
+ // get nodes for new elements
+ static int eInd[2][2] = {{ 0,2 }, { 2,1 }};
+ selectNodes( elemNodes, & splitNodes[0], &eInd[0][0], nbElems, nbNodes );
+ break;
+ }
+ default: continue;
+ } // switch( elem->GetEntityType() )
+
+ // Create new elements
+
+ SMESHDS_SubMesh* subMesh = mesh->MeshElements( elem->getshapeId() );
+
+ splitElems.clear();
+
+ //elemType->SetID( elem->GetID() ); // create an elem with the same ID as a removed one
+ mesh->RemoveFreeElement( elem, subMesh, /*fromGroups=*/false );
+ //splitElems.push_back( AddElement( splitNodes[ 0 ], *elemType ));
+ //elemType->SetID( -1 );
+
+ for ( int iE = 0; iE < nbElems; ++iE )
+ splitElems.push_back( AddElement( splitNodes[ iE ], *elemType ));
+
+
+ ReplaceElemInGroups( elem, splitElems, mesh );
+
+ if ( subMesh )
+ for ( size_t i = 0; i < splitElems.size(); ++i )
+ subMesh->AddElement( splitElems[i] );
+ }
+ }
+}
+
//=======================================================================
//function : AddToSameGroups
//purpose : add elemToAdd to the groups the elemInGroups belongs to
}
AddToSameGroups( newElem1, elem, aMesh );
AddToSameGroups( newElem2, elem, aMesh );
- //aMesh->RemoveFreeElement(elem, aMesh->MeshElements(aShapeId), true);
aMesh->RemoveElement( elem );
}
map< const SMDS_MeshElement*, set< SMESH_TLink > >::iterator itEL;
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); 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;
+ bool IsTria = ( elem->NbCornerNodes()==3 );
+ if (!IsTria) continue;
// retrieve element nodes
const SMDS_MeshNode* aNodes [4];
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ SMDS_NodeIteratorPtr itN = elem->nodeIterator();
int i = 0;
- while ( i<3 )
- aNodes[ i++ ] = cast2Node( itN->next() );
+ while ( i < 3 )
+ aNodes[ i++ ] = itN->next();
aNodes[ 3 ] = aNodes[ 0 ];
// fill maps
}
// Make quadrangles
- // and remove fused elems and removed links from the maps
+ // and remove fused elems and remove links from the maps
mapEl_setLi.erase( tr1 );
- if ( Ok12 ) {
+ if ( Ok12 )
+ {
mapEl_setLi.erase( tr2 );
mapLi_listEl.erase( *link12 );
- if(tr1->NbNodes()==3) {
+ if ( tr1->NbNodes() == 3 )
+ {
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->SetMeshElementOnShape( newElem, aShapeId );
aMesh->RemoveElement( tr1 );
aMesh->RemoveElement( tr2 );
}
else {
- const SMDS_MeshNode* N1 [6];
- const SMDS_MeshNode* N2 [6];
- GetNodesFromTwoTria(tr1,tr2,N1,N2);
- // now we receive following N1 and N2 (using numeration as above image)
+ vector< const SMDS_MeshNode* > N1;
+ vector< const SMDS_MeshNode* > N2;
+ getNodesFromTwoTria(tr1,tr2,N1,N2);
+ // now we receive following N1 and N2 (using numeration as in image in InverseDiag())
// tria1 : (1 2 4 5 9 7) and tria2 : (3 4 2 8 9 6)
- // i.e. first nodes from both arrays determ new diagonal
+ // i.e. first nodes from both arrays form a new diagonal
const SMDS_MeshNode* aNodes[8];
aNodes[0] = N1[0];
aNodes[1] = N1[1];
aNodes[6] = N2[3];
aNodes[7] = N1[5];
const SMDS_MeshElement* newElem = 0;
- newElem = aMesh->AddFace(aNodes[0], aNodes[1], aNodes[2], aNodes[3],
- aNodes[4], aNodes[5], aNodes[6], aNodes[7]);
+ if ( N1.size() == 7 || N2.size() == 7 ) // biquadratic
+ newElem = aMesh->AddFace(aNodes[0], aNodes[1], aNodes[2], aNodes[3],
+ aNodes[4], aNodes[5], aNodes[6], aNodes[7], N1[4]);
+ else
+ 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->SetMeshElementOnShape( newElem, aShapeId );
aMesh->RemoveElement( tr1 );
aMesh->RemoveElement( tr2 );
// remove middle node (9)
- GetMeshDS()->RemoveNode( N1[4] );
+ if ( N1[4]->NbInverseElements() == 0 )
+ aMesh->RemoveNode( N1[4] );
+ if ( N1.size() == 7 && N1[6]->NbInverseElements() == 0 )
+ aMesh->RemoveNode( N1[6] );
+ if ( N2.size() == 7 && N2[6]->NbInverseElements() == 0 )
+ aMesh->RemoveNode( N2[6] );
}
}
- else if ( Ok13 ) {
+ else if ( Ok13 )
+ {
mapEl_setLi.erase( tr3 );
mapLi_listEl.erase( *link13 );
- if(tr1->NbNodes()==3) {
+ if ( tr1->NbNodes() == 3 ) {
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->SetMeshElementOnShape( newElem, aShapeId );
aMesh->RemoveElement( tr1 );
aMesh->RemoveElement( tr3 );
}
else {
- const SMDS_MeshNode* N1 [6];
- const SMDS_MeshNode* N2 [6];
- GetNodesFromTwoTria(tr1,tr3,N1,N2);
+ vector< const SMDS_MeshNode* > N1;
+ vector< const SMDS_MeshNode* > N2;
+ getNodesFromTwoTria(tr1,tr3,N1,N2);
// now we receive following N1 and N2 (using numeration as above image)
// tria1 : (1 2 4 5 9 7) and tria2 : (3 4 2 8 9 6)
- // i.e. first nodes from both arrays determ new diagonal
+ // i.e. first nodes from both arrays form a new diagonal
const SMDS_MeshNode* aNodes[8];
aNodes[0] = N1[0];
aNodes[1] = N1[1];
aNodes[6] = N2[3];
aNodes[7] = N1[5];
const SMDS_MeshElement* newElem = 0;
- newElem = aMesh->AddFace(aNodes[0], aNodes[1], aNodes[2], aNodes[3],
- aNodes[4], aNodes[5], aNodes[6], aNodes[7]);
+ if ( N1.size() == 7 || N2.size() == 7 ) // biquadratic
+ newElem = aMesh->AddFace(aNodes[0], aNodes[1], aNodes[2], aNodes[3],
+ aNodes[4], aNodes[5], aNodes[6], aNodes[7], N1[4]);
+ else
+ 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->SetMeshElementOnShape( newElem, aShapeId );
aMesh->RemoveElement( tr1 );
aMesh->RemoveElement( tr3 );
// remove middle node (9)
- GetMeshDS()->RemoveNode( N1[4] );
+ if ( N1[4]->NbInverseElements() == 0 )
+ aMesh->RemoveNode( N1[4] );
+ if ( N1.size() == 7 && N1[6]->NbInverseElements() == 0 )
+ aMesh->RemoveNode( N1[6] );
+ if ( N2.size() == 7 && N2[6]->NbInverseElements() == 0 )
+ aMesh->RemoveNode( N2[6] );
}
}
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 );
// smooth elements on each TopoDS_Face separately
// ===============================================
- set< int >::reverse_iterator fId = faceIdSet.rbegin(); // treate 0 fId at the end
- for ( ; fId != faceIdSet.rend(); ++fId ) {
+ SMESH_MesherHelper helper( *GetMesh() );
+
+ set< int >::reverse_iterator fId = faceIdSet.rbegin(); // treat 0 fId at the end
+ for ( ; fId != faceIdSet.rend(); ++fId )
+ {
// get face surface and submesh
Handle(Geom_Surface) surface;
SMESHDS_SubMesh* faceSubMesh = 0;
double fToler2 = 0, f,l;
double u1 = 0, u2 = 0, v1 = 0, v2 = 0;
bool isUPeriodic = false, isVPeriodic = false;
- if ( *fId ) {
+ if ( *fId )
+ {
face = TopoDS::Face( aMesh->IndexToShape( *fId ));
surface = BRep_Tool::Surface( face );
faceSubMesh = aMesh->MeshElements( *fId );
if ( isVPeriodic )
surface->VPeriod();
surface->Bounds( u1, u2, v1, v2 );
+ helper.SetSubShape( face );
}
// ---------------------------------------------------------
// for elements on a face, find movable and fixed nodes and
int nbElemOnFace = 0;
itElem = theElems.begin();
// loop on not yet smoothed elements: look for elems on a face
- while ( itElem != theElems.end() ) {
+ while ( itElem != theElems.end() )
+ {
if ( faceSubMesh && nbElemOnFace == faceSubMesh->NbElements() )
break; // all elements found
// get nodes to check UV
list< const SMDS_MeshNode* > uvCheckNodes;
+ const SMDS_MeshNode* nodeInFace = 0;
itN = elem->nodesIterator();
nn = 0; nbn = elem->NbNodes();
if(elem->IsQuadratic())
nbn = nbn/2;
while ( nn++ < nbn ) {
node = static_cast<const SMDS_MeshNode*>( itN->next() );
+ if ( node->GetPosition()->GetDim() == 2 )
+ nodeInFace = node;
if ( uvMap.find( node ) == uvMap.end() )
uvCheckNodes.push_back( node );
// add nodes of elems sharing node
const SMDS_PositionPtr& pos = node->GetPosition();
posType = pos ? pos->GetTypeOfPosition() : SMDS_TOP_3DSPACE;
// get existing UV
- switch ( posType ) {
- case SMDS_TOP_FACE: {
- SMDS_FacePosition* fPos = ( SMDS_FacePosition* ) pos;
- uv.SetCoord( fPos->GetUParameter(), fPos->GetVParameter() );
- break;
- }
- case SMDS_TOP_EDGE: {
- 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 )->GetUParameter();
- uv = pcurve->Value( u ).XY();
- }
- break;
- }
- case SMDS_TOP_VERTEX: {
- TopoDS_Shape S = aMesh->IndexToShape( node->getshapeId() );
- if ( !S.IsNull() && S.ShapeType() == TopAbs_VERTEX )
- uv = BRep_Tool::Parameters( TopoDS::Vertex( S ), face ).XY();
- break;
- }
- default:;
- }
- // check existing UV
- bool project = true;
- gp_Pnt pNode ( node->X(), node->Y(), node->Z() );
- double dist1 = DBL_MAX, dist2 = 0;
- if ( posType != SMDS_TOP_3DSPACE ) {
- dist1 = pNode.SquareDistance( surface->Value( uv.X(), uv.Y() ));
- project = dist1 > fToler2;
- }
+ if ( pos )
+ {
+ bool toCheck = true;
+ uv = helper.GetNodeUV( face, node, nodeInFace, &toCheck );
+ }
+ // compute not existing UV
+ bool project = ( posType == SMDS_TOP_3DSPACE );
+ // double dist1 = DBL_MAX, dist2 = 0;
+ // if ( posType != SMDS_TOP_3DSPACE ) {
+ // dist1 = pNode.SquareDistance( surface->Value( uv.X(), uv.Y() ));
+ // project = dist1 > fToler2;
+ // }
if ( project ) { // compute new UV
gp_XY newUV;
+ gp_Pnt pNode = SMESH_TNodeXYZ( node );
if ( !getClosestUV( projector, pNode, newUV )) {
MESSAGE("Node Projection Failed " << node);
}
if ( isVPeriodic )
newUV.SetY( ElCLib::InPeriod( newUV.Y(), v1, v2 ));
// check new UV
- if ( posType != SMDS_TOP_3DSPACE )
- dist2 = pNode.SquareDistance( surface->Value( newUV.X(), newUV.Y() ));
- if ( dist2 < dist1 )
+ // if ( posType != SMDS_TOP_3DSPACE )
+ // dist2 = pNode.SquareDistance( surface->Value( newUV.X(), newUV.Y() ));
+ // if ( dist2 < dist1 )
uv = newUV;
}
}
uv2 = pcurve->Value( f );
int iPar = Abs( uv1.X() - uv2.X() ) > Abs( uv1.Y() - uv2.Y() ) ? 1 : 2;
// assure uv1 < uv2
- if ( uv1.Coord( iPar ) > uv2.Coord( iPar )) {
- gp_Pnt2d tmp = uv1; uv1 = uv2; uv2 = tmp;
- }
+ if ( uv1.Coord( iPar ) > uv2.Coord( iPar ))
+ std::swap( uv1, uv2 );
// get nodes on seam and its vertices
list< const SMDS_MeshNode* > seamNodes;
SMDS_NodeIteratorPtr nSeamIt = sm->GetNodes();
setMovableNodes.find( n ) == setMovableNodes.end() )
continue;
// add only nodes being closer to uv2 than to uv1
- gp_Pnt pMid (0.5 * ( n->X() + nSeam->X() ),
- 0.5 * ( n->Y() + nSeam->Y() ),
- 0.5 * ( n->Z() + nSeam->Z() ));
- gp_XY uv;
- getClosestUV( projector, pMid, uv );
- if ( uv.Coord( iPar ) > uvMap[ n ]->Coord( iPar ) ) {
+ // gp_Pnt pMid (0.5 * ( n->X() + nSeam->X() ),
+ // 0.5 * ( n->Y() + nSeam->Y() ),
+ // 0.5 * ( n->Z() + nSeam->Z() ));
+ // gp_XY uv;
+ // getClosestUV( projector, pMid, uv );
+ double x = uvMap[ n ]->Coord( iPar );
+ if ( Abs( uv1.Coord( iPar ) - x ) >
+ Abs( uv2.Coord( iPar ) - x )) {
nodesNearSeam.insert( n );
nbUseMap2++;
}
// move medium nodes of quadratic elements
if ( isQuadratic )
{
- SMESH_MesherHelper helper( *GetMesh() );
- if ( !face.IsNull() )
- helper.SetSubShape( face );
+ vector<const SMDS_MeshNode*> nodes;
+ bool checkUV;
list< const SMDS_MeshElement* >::iterator elemIt = elemsOnFace.begin();
- for ( ; elemIt != elemsOnFace.end(); ++elemIt ) {
- 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_ElemIteratorPtr anIter = QF->interlacedNodesElemIterator();
- while ( anIter->more() )
- 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) {
- if ( !surface.IsNull() ) {
- gp_XY uv1 = helper.GetNodeUV( face, Ns[i], Ns[i+2] );
- gp_XY uv2 = helper.GetNodeUV( face, Ns[i+2], Ns[i] );
- gp_XY uv = ( uv1 + uv2 ) / 2.;
- gp_Pnt xyz = surface->Value( uv.X(), uv.Y() );
- x = xyz.X(); y = xyz.Y(); z = xyz.Z();
- }
- else {
- x = (Ns[i]->X() + Ns[i+2]->X())/2;
- y = (Ns[i]->Y() + Ns[i+2]->Y())/2;
- z = (Ns[i]->Z() + Ns[i+2]->Z())/2;
- }
- if( fabs( Ns[i+1]->X() - x ) > disttol ||
- fabs( Ns[i+1]->Y() - y ) > disttol ||
- fabs( Ns[i+1]->Z() - z ) > disttol ) {
- // we have to move i+1 node
- aMesh->MoveNode( Ns[i+1], x, y, z );
+ for ( ; elemIt != elemsOnFace.end(); ++elemIt )
+ {
+ const SMDS_MeshElement* QF = *elemIt;
+ if ( QF->IsQuadratic() )
+ {
+ nodes.assign( SMDS_MeshElement::iterator( QF->interlacedNodesElemIterator() ),
+ SMDS_MeshElement::iterator() );
+ nodes.push_back( nodes[0] );
+ gp_Pnt xyz;
+ for (size_t i = 1; i < nodes.size(); i += 2 ) // i points to a medium node
+ {
+ if ( !surface.IsNull() )
+ {
+ gp_XY uv1 = helper.GetNodeUV( face, nodes[i-1], nodes[i+1], &checkUV );
+ gp_XY uv2 = helper.GetNodeUV( face, nodes[i+1], nodes[i-1], &checkUV );
+ gp_XY uv = helper.GetMiddleUV( surface, uv1, uv2 );
+ xyz = surface->Value( uv.X(), uv.Y() );
}
+ else {
+ xyz = 0.5 * ( SMESH_TNodeXYZ( nodes[i-1] ) + SMESH_TNodeXYZ( nodes[i+1] ));
+ }
+ if (( SMESH_TNodeXYZ( nodes[i] ) - xyz.XYZ() ).Modulus() > disttol )
+ // we have to move a medium node
+ aMesh->MoveNode( nodes[i], xyz.X(), xyz.Y(), xyz.Z() );
}
}
}
}
-//=======================================================================
-//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.
-// If result is true then future volume orientation is OK
-//=======================================================================
-
-static bool isReverse(const SMDS_MeshElement* face,
- const vector<const SMDS_MeshNode*>& prevNodes,
- const vector<const SMDS_MeshNode*>& nextNodes,
- const int iNotSame)
+namespace
{
+ //=======================================================================
+ //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.
+ // If result is true then future volume orientation is OK
+ //=======================================================================
+
+ bool isReverse(const SMDS_MeshElement* face,
+ const vector<const SMDS_MeshNode*>& prevNodes,
+ const vector<const SMDS_MeshNode*>& nextNodes,
+ const int iNotSame)
+ {
+
+ SMESH_TNodeXYZ pP = prevNodes[ iNotSame ];
+ SMESH_TNodeXYZ pN = nextNodes[ iNotSame ];
+ gp_XYZ extrDir( pN - pP ), faceNorm;
+ SMESH_MeshAlgos::FaceNormal( face, faceNorm, /*normalized=*/false );
+
+ return faceNorm * extrDir < 0.0;
+ }
- SMESH_TNodeXYZ pP = prevNodes[ iNotSame ];
- SMESH_TNodeXYZ pN = nextNodes[ iNotSame ];
- gp_XYZ extrDir( pN - pP ), faceNorm;
- SMESH_Algo::FaceNormal( face, faceNorm, /*normalized=*/false );
+ //================================================================================
+ /*!
+ * \brief Assure that theElemSets[0] holds elements, not nodes
+ */
+ //================================================================================
- return faceNorm * extrDir < 0.0;
+ void setElemsFirst( TIDSortedElemSet theElemSets[2] )
+ {
+ if ( !theElemSets[0].empty() &&
+ (*theElemSets[0].begin())->GetType() == SMDSAbs_Node )
+ {
+ std::swap( theElemSets[0], theElemSets[1] );
+ }
+ else if ( !theElemSets[1].empty() &&
+ (*theElemSets[1].begin())->GetType() != SMDSAbs_Node )
+ {
+ std::swap( theElemSets[0], theElemSets[1] );
+ }
+ }
}
//=======================================================================
}
else
{
- const vector<int>& ind = SMDS_MeshCell::reverseSmdsOrder( baseType );
+ const vector<int>& ind = SMDS_MeshCell::reverseSmdsOrder( baseType, nbNodes );
SMDS_MeshCell::applyInterlace( ind, itNN );
SMDS_MeshCell::applyInterlace( ind, prevNod );
SMDS_MeshCell::applyInterlace( ind, nextNod );
}
}
}
+ else if ( elem->GetType() == SMDSAbs_Edge )
+ {
+ // orient a new face same as adjacent one
+ int i1, i2;
+ const SMDS_MeshElement* e;
+ TIDSortedElemSet dummy;
+ if (( e = SMESH_MeshAlgos::FindFaceInSet( nextNod[0], prevNod[0], dummy,dummy, &i1, &i2 )) ||
+ ( e = SMESH_MeshAlgos::FindFaceInSet( prevNod[1], nextNod[1], dummy,dummy, &i1, &i2 )) ||
+ ( e = SMESH_MeshAlgos::FindFaceInSet( prevNod[0], prevNod[1], dummy,dummy, &i1, &i2 )))
+ {
+ // there is an adjacent face, check order of nodes in it
+ bool sameOrder = ( Abs( i2 - i1 ) == 1 ) ? ( i2 > i1 ) : ( i2 < i1 );
+ if ( sameOrder )
+ {
+ std::swap( itNN[0], itNN[1] );
+ std::swap( prevNod[0], prevNod[1] );
+ std::swap( nextNod[0], nextNod[1] );
+ isSingleNode.swap( isSingleNode[0], isSingleNode[1] );
+ if ( nbSame > 0 )
+ sames[0] = 1 - sames[0];
+ iNotSameNode = 1 - iNotSameNode;
+ }
+ }
+ }
int iSameNode = 0, iBeforeSame = 0, iAfterSame = 0, iOpposSame = 0;
if ( nbSame > 0 ) {
iOpposSame = ( iSameNode - 2 < 0 ? iSameNode + 2 : iSameNode - 2 );
}
+ if ( baseType == SMDSEntity_Polygon )
+ {
+ if ( nbNodes == 3 ) baseType = SMDSEntity_Triangle;
+ else if ( nbNodes == 4 ) baseType = SMDSEntity_Quadrangle;
+ }
+ else if ( baseType == SMDSEntity_Quad_Polygon )
+ {
+ if ( nbNodes == 6 ) baseType = SMDSEntity_Quad_Triangle;
+ else if ( nbNodes == 8 ) baseType = SMDSEntity_Quad_Quadrangle;
+ }
+
// make new elements
for (int iStep = 0; iStep < nbSteps; iStep++ )
{
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]);
+ aNewElem = aMesh->AddFace(prevNod[0], prevNod[1], nextNod[1],
+ prevNod[2], midlNod[1], nextNod[2] );
else // sames[0]==1
- aNewElem = aMesh->AddFace(prevNod[0], nextNod[0], prevNod[1],
- midlNod[0], nextNod[2], prevNod[2]);
+ aNewElem = aMesh->AddFace(prevNod[0], prevNod[1], nextNod[0],
+ prevNod[2], nextNod[2], midlNod[0]);
}
}
else if ( nbDouble == 3 )
}
break;
}
- case SMDSEntity_Quad_Triangle: { // sweep Quadratic TRIANGLE --->
+ case SMDSEntity_Quad_Triangle: // sweep (Bi)Quadratic TRIANGLE --->
+ case SMDSEntity_BiQuad_Triangle: /* ??? */ {
if ( nbDouble+nbSame != 3 ) break;
if(nbSame==0) {
// ---> pentahedron with 15 nodes
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" );
+ //INFOS( " Sweep for face " << elem->GetID() << " can not be created" );
return;
}
else if( nbSame == 2 ) {
default:
break;
- }
- }
+ } // switch ( baseType )
+ } // scope
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);
+ const std::vector<int>& ind = SMDS_MeshCell::interlacedSmdsOrder(baseType,nbNodes);
SMDS_MeshCell::applyInterlace( ind, prevNod );
SMDS_MeshCell::applyInterlace( ind, nextNod );
SMDS_MeshCell::applyInterlace( ind, midlNod );
quantities.push_back( nbNodes );
// side faces
- for (int iface = 0; iface < nbNodes; iface++)
+ // 3--6--2
+ // | |
+ // 7 5
+ // | |
+ // 0--4--1
+ const int iQuad = elem->IsQuadratic();
+ for (int iface = 0; iface < nbNodes; iface += 1+iQuad )
{
- 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] )
+ const int prevNbNodes = polyedre_nodes.size(); // to detect degenerated face
+ int inextface = (iface+1+iQuad) % nbNodes;
+ int imid = (iface+1) % nbNodes;
+ polyedre_nodes.push_back( prevNod[inextface] ); // 0
+ if ( iQuad ) polyedre_nodes.push_back( prevNod[imid] ); // 4
+ polyedre_nodes.push_back( prevNod[iface] ); // 1
+ if ( prevNod[iface] != nextNod[iface] ) // 1 != 2
{
- if ( midlNod[ iface ]) polyedre_nodes.push_back( midlNod[ iface ]);
- polyedre_nodes.push_back( nextNod[iface] );
+ if ( midlNod[ iface ]) polyedre_nodes.push_back( midlNod[ iface ]); // 5
+ polyedre_nodes.push_back( nextNod[iface] ); // 2
}
- if ( prevNod[inextface] != nextNod[inextface] )
+ if ( iQuad ) polyedre_nodes.push_back( nextNod[imid] ); // 6
+ if ( prevNod[inextface] != nextNod[inextface] ) // 0 != 3
{
- polyedre_nodes.push_back( nextNod[inextface] );
- if ( midlNod[ inextface ]) polyedre_nodes.push_back( midlNod[ inextface ]);
+ polyedre_nodes.push_back( nextNod[inextface] ); // 3
+ if ( midlNod[ inextface ]) polyedre_nodes.push_back( midlNod[ inextface ]);// 7
}
const int nbFaceNodes = polyedre_nodes.size() - prevNbNodes;
if ( nbFaceNodes > 2 )
polyedre_nodes.resize( prevNbNodes );
}
aNewElem = aMesh->AddPolyhedralVolume (polyedre_nodes, quantities);
- }
+
+ } // try to create a polyherdal prism
if ( aNewElem ) {
newElems.push_back( aNewElem );
for ( iNode = 0; iNode < nbNodes; iNode++ )
prevNod[ iNode ] = nextNod[ iNode ];
- } // for steps
+ } // loop on steps
}
//=======================================================================
//=======================================================================
void SMESH_MeshEditor::makeWalls (TNodeOfNodeListMap & mapNewNodes,
- TElemOfElemListMap & newElemsMap,
+ TTElemOfElemListMap & newElemsMap,
TElemOfVecOfNnlmiMap & elemNewNodesMap,
TIDSortedElemSet& elemSet,
const int nbSteps,
ASSERT( newElemsMap.size() == elemNewNodesMap.size() );
SMESHDS_Mesh* aMesh = GetMeshDS();
- // Find nodes belonging to only one initial element - sweep them to get edges.
+ // Find nodes belonging to only one initial element - sweep them into edges.
TNodeOfNodeListMapItr nList = mapNewNodes.begin();
for ( ; nList != mapNewNodes.end(); nList++ )
const SMDS_MeshElement* el = 0;
SMDSAbs_ElementType highType = SMDSAbs_Edge; // count most complex elements only
while ( eIt->more() && nbInitElems < 2 ) {
- el = eIt->next();
- SMDSAbs_ElementType type = el->GetType();
- if ( type == SMDSAbs_Volume || type < highType ) continue;
+ const SMDS_MeshElement* e = eIt->next();
+ SMDSAbs_ElementType type = e->GetType();
+ if ( type == SMDSAbs_Volume ||
+ type < highType ||
+ !elemSet.count(e))
+ continue;
if ( type > highType ) {
nbInitElems = 0;
- highType = type;
+ highType = type;
}
- nbInitElems += elemSet.count(el);
+ el = e;
+ ++nbInitElems;
}
- if ( nbInitElems < 2 ) {
+ if ( nbInitElems == 1 ) {
bool NotCreateEdge = el && el->IsMediumNode(node);
if(!NotCreateEdge) {
vector<TNodeOfNodeListMapItr> newNodesItVec( 1, nList );
// Make a ceiling for each element ie an equal element of last new nodes.
// Find free links of faces - make edges and sweep them into faces.
- TElemOfElemListMap::iterator itElem = newElemsMap.begin();
+ ElemFeatures polyFace( SMDSAbs_Face, /*isPoly=*/true ), anyFace;
+
+ TTElemOfElemListMap::iterator itElem = newElemsMap.begin();
TElemOfVecOfNnlmiMap::iterator itElemNodes = elemNewNodesMap.begin();
for ( ; itElem != newElemsMap.end(); itElem++, itElemNodes++ )
{
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 );
}
}
}
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
- if ( ! SMESH_MeshEditor::FindFaceInSet ( n1, n2, elemSet, avoidSet )) {
+ // check if a link n1-n2 is free
+ if ( ! SMESH_MeshAlgos::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 );
}
}
}
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 ) &&
- ! SMESH_MeshEditor::FindFaceInSet ( n1, n3, elemSet, avoidSet ) &&
- ! SMESH_MeshEditor::FindFaceInSet ( n3, n2, elemSet, avoidSet ) ) {
+ if ( ! SMESH_MeshAlgos::FindFaceInSet ( n1, n2, elemSet, avoidSet ) &&
+ ! SMESH_MeshAlgos::FindFaceInSet ( n1, n3, elemSet, avoidSet ) &&
+ ! SMESH_MeshAlgos::FindFaceInSet ( n3, n2, elemSet, avoidSet ) ) {
hasFreeLinks = true;
// make an edge and a ceiling for a new edge
// find medium node
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 );
}
}
}
// sweep free links into faces
- if ( hasFreeLinks ) {
+ if ( hasFreeLinks ) {
list<const SMDS_MeshElement*> & newVolumes = itElem->second;
int iVol, volNb, nbVolumesByStep = newVolumes.size() / nbSteps;
set<const SMDS_MeshNode*> initNodeSet, topNodeSet, faceNodeSet;
+ set<const SMDS_MeshNode*> initNodeSetNoCenter/*, topNodeSetNoCenter*/;
for ( iNode = 0; iNode < nbNodes; iNode++ ) {
initNodeSet.insert( vecNewNodes[ iNode ]->first );
topNodeSet .insert( vecNewNodes[ iNode ]->second.back() );
}
+ if ( isQuadratic && nbNodes % 2 ) { // node set for the case of a biquadratic
+ initNodeSetNoCenter = initNodeSet; // swept face and a not biquadratic volume
+ initNodeSetNoCenter.erase( vecNewNodes.back()->first );
+ }
for ( volNb = 0; volNb < nbVolumesByStep; volNb++ ) {
list<const SMDS_MeshElement*>::iterator v = newVolumes.begin();
std::advance( v, volNb );
{
if ( nbSteps == 1 && faceNodeSet == topNodeSet )
continue;
+ if ( faceNodeSet == initNodeSetNoCenter )
+ continue;
freeInd.push_back( iF );
// find source edge of a free face iF
vector<const SMDS_MeshNode*> commonNodes; // shared by the initial and free faces
- commonNodes.resize( initNodeSet.size(), NULL ); // avoid spoiling memory
- std::set_intersection( faceNodeSet.begin(), faceNodeSet.end(),
- initNodeSet.begin(), initNodeSet.end(),
- commonNodes.begin());
- if ( (*v)->IsQuadratic() )
+ vector<const SMDS_MeshNode*>::iterator lastCommom;
+ commonNodes.resize( nbNodes, 0 );
+ lastCommom = std::set_intersection( faceNodeSet.begin(), faceNodeSet.end(),
+ initNodeSet.begin(), initNodeSet.end(),
+ commonNodes.begin());
+ if ( std::distance( commonNodes.begin(), lastCommom ) == 3 )
srcEdges.push_back(aMesh->FindEdge (commonNodes[0],commonNodes[1],commonNodes[2]));
else
srcEdges.push_back(aMesh->FindEdge (commonNodes[0],commonNodes[1]));
if ( freeInd.empty() )
continue;
- // create faces for all steps;
+ // create wall 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++ ) {
+ for ( int iStep = 0; iStep < nbSteps; iStep++ )
+ {
vTool.Set( *v, /*ignoreCentralNodes=*/false );
vTool.SetExternalNormal();
const int nextShift = vTool.IsForward() ? +1 : -1;
if ( f )
aMesh->ChangeElementNodes( f, &polygon_nodes[0], nbn );
else
- AddElement(polygon_nodes, SMDSAbs_Face, polygon_nodes.size()>4);
+ AddElement( polygon_nodes, polyFace.SetQuad( (*v)->IsQuadratic() ));
}
}
// Make a ceiling face with a normal external to a volume
+ // use SMDS_VolumeTool to get a correctly ordered nodes of a ceiling face
SMDS_VolumeTool lastVol( itElem->second.back(), /*ignoreCentralNodes=*/false );
-
int iF = lastVol.GetFaceIndex( aFaceLastNodes );
- if ( iF >= 0 ) {
+
+ if ( iF < 0 && isQuadratic && nbNodes % 2 ) { // remove a central node of biquadratic
+ aFaceLastNodes.erase( vecNewNodes.back()->second.back() );
+ iF = lastVol.GetFaceIndex( aFaceLastNodes );
+ }
+ if ( iF >= 0 )
+ {
lastVol.SetExternalNormal();
const SMDS_MeshNode** nodes = lastVol.GetFaceNodes( iF );
- int nbn = lastVol.NbFaceNodes( iF );
- if ( nbn == 3 ) {
- if (!hasFreeLinks ||
- !aMesh->FindFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ]))
- myLastCreatedElems.Append(aMesh->AddFace( nodes[ 0 ], nodes[ 1 ], nodes[ 2 ] ));
- }
- 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 ]));
- }
- 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 )
+ const int nbn = lastVol.NbFaceNodes( iF );
+ vector<const SMDS_MeshNode*> nodeVec( nodes, nodes+nbn );
+ if ( !hasFreeLinks ||
+ !aMesh->FindElement( nodeVec, SMDSAbs_Face, /*noMedium=*/false) )
{
- 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));
- }
+ const vector<int>& interlace =
+ SMDS_MeshCell::interlacedSmdsOrder( elem->GetEntityType(), nbn );
+ SMDS_MeshCell::applyInterlaceRev( interlace, nodeVec );
- while ( srcElements.Length() < myLastCreatedElems.Length() )
- srcElements.Append( myLastCreatedElems.Last() );
+ AddElement( nodeVec, anyFace.Init( elem ));
+
+ while ( srcElements.Length() < myLastCreatedElems.Length() )
+ srcElements.Append( elem );
+ }
}
} // loop on swept elements
}
//=======================================================================
SMESH_MeshEditor::PGroupIDs
-SMESH_MeshEditor::RotationSweep(TIDSortedElemSet & theElems,
+SMESH_MeshEditor::RotationSweep(TIDSortedElemSet theElemSets[2],
const gp_Ax1& theAxis,
const double theAngle,
const int theNbSteps,
TNodeOfNodeListMap mapNewNodes;
TElemOfVecOfNnlmiMap mapElemNewNodes;
- TElemOfElemListMap newElemsMap;
+ TTElemOfElemListMap newElemsMap;
const bool isQuadraticMesh = bool( myMesh->NbEdges(ORDER_QUADRATIC) +
myMesh->NbFaces(ORDER_QUADRATIC) +
myMesh->NbVolumes(ORDER_QUADRATIC) );
- // loop on theElems
+ // loop on theElemSets
+ setElemsFirst( theElemSets );
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
- const SMDS_MeshElement* elem = *itElem;
- if ( !elem || elem->GetType() == SMDSAbs_Volume )
- continue;
- vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
- newNodesItVec.reserve( elem->NbNodes() );
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ TIDSortedElemSet& theElems = theElemSets[ is2ndSet ];
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem || elem->GetType() == SMDSAbs_Volume )
+ continue;
+ vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
+ newNodesItVec.reserve( elem->NbNodes() );
- // loop on elem nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() )
- {
- // check if a node has been already sweeped
- const SMDS_MeshNode* node = cast2Node( itN->next() );
+ // loop on elem nodes
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
- 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 );
+ 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 );
- 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 )
+ // check if a node has been already sweeped
+ TNodeOfNodeListMapItr nIt =
+ mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
+ list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
{
- SMDS_ElemIteratorPtr it = node->GetInverseElementIterator();
- while (it->more() && !needMediumNodes )
+ // check if we are to create medium nodes between corner ones
+ bool needMediumNodes = false;
+ if ( isQuadraticMesh )
{
- 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;
+ 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
- const SMDS_MeshNode * newNode = node;
- for ( int i = 0; i < theNbSteps; i++ ) {
- if ( !isOnAxis ) {
- if ( needMediumNodes ) // create a medium node
- {
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
+ // make new nodes
+ const SMDS_MeshNode * newNode = node;
+ for ( int i = 0; i < theNbSteps; i++ ) {
+ if ( !isOnAxis ) {
+ if ( needMediumNodes ) // create a medium node
+ {
+ aTrsf2.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] );
+ }
+ 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 );
listNewNodes.push_back( newNode );
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
}
else {
- aTrsf.Transforms( coord[0], coord[1], coord[2] );
+ listNewNodes.push_back( newNode );
+ // if ( needMediumNodes )
+ // listNewNodes.push_back( newNode );
}
- // create a corner node
- newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- }
- else {
- listNewNodes.push_back( newNode );
- // if ( needMediumNodes )
- // listNewNodes.push_back( newNode );
}
}
+ newNodesItVec.push_back( nIt );
}
- newNodesItVec.push_back( nIt );
+ // make new elements
+ sweepElement( elem, newNodesItVec, newElemsMap[elem], theNbSteps, srcElems );
}
- // make new elements
- sweepElement( elem, newNodesItVec, newElemsMap[elem], theNbSteps, srcElems );
}
if ( theMakeWalls )
- makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElems, theNbSteps, srcElems );
+ makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElemSets[0], theNbSteps, srcElems );
PGroupIDs newGroupIDs;
if ( theMakeGroups )
return newGroupIDs;
}
+//=======================================================================
+//function : ExtrusParam
+//purpose : standard construction
+//=======================================================================
+
+SMESH_MeshEditor::ExtrusParam::ExtrusParam( const gp_Vec& theStep,
+ const int theNbSteps,
+ const int theFlags,
+ const double theTolerance):
+ myDir( theStep ),
+ myFlags( theFlags ),
+ myTolerance( theTolerance ),
+ myElemsToUse( NULL )
+{
+ mySteps = new TColStd_HSequenceOfReal;
+ const double stepSize = theStep.Magnitude();
+ for (int i=1; i<=theNbSteps; i++ )
+ mySteps->Append( stepSize );
+
+ if (( theFlags & EXTRUSION_FLAG_SEW ) &&
+ ( theTolerance > 0 ))
+ {
+ myMakeNodesFun = & SMESH_MeshEditor::ExtrusParam::makeNodesByDirAndSew;
+ }
+ else
+ {
+ myMakeNodesFun = & SMESH_MeshEditor::ExtrusParam::makeNodesByDir;
+ }
+}
//=======================================================================
-//function : CreateNode
-//purpose :
+//function : ExtrusParam
+//purpose : steps are given explicitly
+//=======================================================================
+
+SMESH_MeshEditor::ExtrusParam::ExtrusParam( const gp_Dir& theDir,
+ Handle(TColStd_HSequenceOfReal) theSteps,
+ const int theFlags,
+ const double theTolerance):
+ myDir( theDir ),
+ mySteps( theSteps ),
+ myFlags( theFlags ),
+ myTolerance( theTolerance ),
+ myElemsToUse( NULL )
+{
+ if (( theFlags & EXTRUSION_FLAG_SEW ) &&
+ ( theTolerance > 0 ))
+ {
+ myMakeNodesFun = & SMESH_MeshEditor::ExtrusParam::makeNodesByDirAndSew;
+ }
+ else
+ {
+ myMakeNodesFun = & SMESH_MeshEditor::ExtrusParam::makeNodesByDir;
+ }
+}
+
+//=======================================================================
+//function : ExtrusParam
+//purpose : for extrusion by normal
+//=======================================================================
+
+SMESH_MeshEditor::ExtrusParam::ExtrusParam( const double theStepSize,
+ const int theNbSteps,
+ const int theFlags,
+ const int theDim ):
+ myDir( 1,0,0 ),
+ mySteps( new TColStd_HSequenceOfReal ),
+ myFlags( theFlags ),
+ myTolerance( 0 ),
+ myElemsToUse( NULL )
+{
+ for (int i = 0; i < theNbSteps; i++ )
+ mySteps->Append( theStepSize );
+
+ if ( theDim == 1 )
+ {
+ myMakeNodesFun = & SMESH_MeshEditor::ExtrusParam::makeNodesByNormal1D;
+ }
+ else
+ {
+ myMakeNodesFun = & SMESH_MeshEditor::ExtrusParam::makeNodesByNormal2D;
+ }
+}
+
+//=======================================================================
+//function : ExtrusParam::SetElementsToUse
+//purpose : stores elements to use for extrusion by normal, depending on
+// state of EXTRUSION_FLAG_USE_INPUT_ELEMS_ONLY flag
+//=======================================================================
+
+void SMESH_MeshEditor::ExtrusParam::SetElementsToUse( const TIDSortedElemSet& elems )
+{
+ myElemsToUse = ToUseInpElemsOnly() ? & elems : 0;
+}
+
+//=======================================================================
+//function : ExtrusParam::beginStepIter
+//purpose : prepare iteration on steps
//=======================================================================
-const SMDS_MeshNode* SMESH_MeshEditor::CreateNode(const double x,
- const double y,
- const double z,
- const double tolnode,
- SMESH_SequenceOfNode& aNodes)
+
+void SMESH_MeshEditor::ExtrusParam::beginStepIter( bool withMediumNodes )
{
- // myLastCreatedElems.Clear();
- // myLastCreatedNodes.Clear();
+ myWithMediumNodes = withMediumNodes;
+ myNextStep = 1;
+ myCurSteps.clear();
+}
+//=======================================================================
+//function : ExtrusParam::moreSteps
+//purpose : are there more steps?
+//=======================================================================
- gp_Pnt P1(x,y,z);
- SMESHDS_Mesh * aMesh = myMesh->GetMeshDS();
+bool SMESH_MeshEditor::ExtrusParam::moreSteps()
+{
+ return myNextStep <= mySteps->Length() || !myCurSteps.empty();
+}
+//=======================================================================
+//function : ExtrusParam::nextStep
+//purpose : returns the next step
+//=======================================================================
- // try to search in sequence of existing nodes
- // if aNodes.Length()>0 we 'nave to use given sequence
- // else - use all nodes of mesh
- if(aNodes.Length()>0) {
- int i;
- for(i=1; i<=aNodes.Length(); i++) {
- gp_Pnt P2(aNodes.Value(i)->X(),aNodes.Value(i)->Y(),aNodes.Value(i)->Z());
- if(P1.Distance(P2)<tolnode)
- return aNodes.Value(i);
+double SMESH_MeshEditor::ExtrusParam::nextStep()
+{
+ double res = 0;
+ if ( !myCurSteps.empty() )
+ {
+ res = myCurSteps.back();
+ myCurSteps.pop_back();
+ }
+ else if ( myNextStep <= mySteps->Length() )
+ {
+ myCurSteps.push_back( mySteps->Value( myNextStep ));
+ ++myNextStep;
+ if ( myWithMediumNodes )
+ {
+ myCurSteps.back() /= 2.;
+ myCurSteps.push_back( myCurSteps.back() );
}
+ res = nextStep();
}
- else {
- SMDS_NodeIteratorPtr itn = aMesh->nodesIterator();
- while(itn->more()) {
- const SMDS_MeshNode* aN = static_cast<const SMDS_MeshNode*> (itn->next());
- gp_Pnt P2(aN->X(),aN->Y(),aN->Z());
- if(P1.Distance(P2)<tolnode)
- return aN;
+ return res;
+}
+
+//=======================================================================
+//function : ExtrusParam::makeNodesByDir
+//purpose : create nodes for standard extrusion
+//=======================================================================
+
+int SMESH_MeshEditor::ExtrusParam::
+makeNodesByDir( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes)
+{
+ gp_XYZ p = SMESH_TNodeXYZ( srcNode );
+
+ int nbNodes = 0;
+ for ( beginStepIter( makeMediumNodes ); moreSteps(); ++nbNodes ) // loop on steps
+ {
+ p += myDir.XYZ() * nextStep();
+ const SMDS_MeshNode * newNode = mesh->AddNode( p.X(), p.Y(), p.Z() );
+ newNodes.push_back( newNode );
+ }
+ return nbNodes;
+}
+
+//=======================================================================
+//function : ExtrusParam::makeNodesByDirAndSew
+//purpose : create nodes for standard extrusion with sewing
+//=======================================================================
+
+int SMESH_MeshEditor::ExtrusParam::
+makeNodesByDirAndSew( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes)
+{
+ gp_XYZ P1 = SMESH_TNodeXYZ( srcNode );
+
+ int nbNodes = 0;
+ for ( beginStepIter( makeMediumNodes ); moreSteps(); ++nbNodes ) // loop on steps
+ {
+ P1 += myDir.XYZ() * nextStep();
+
+ // try to search in sequence of existing nodes
+ // if myNodes.Length()>0 we 'nave to use given sequence
+ // else - use all nodes of mesh
+ const SMDS_MeshNode * node = 0;
+ if ( myNodes.Length() > 0 ) {
+ int i;
+ for(i=1; i<=myNodes.Length(); i++) {
+ gp_XYZ P2 = SMESH_TNodeXYZ( myNodes.Value(i) );
+ if (( P1 - P2 ).SquareModulus() < myTolerance * myTolerance )
+ {
+ node = myNodes.Value(i);
+ break;
+ }
+ }
+ }
+ else {
+ SMDS_NodeIteratorPtr itn = mesh->nodesIterator();
+ while(itn->more()) {
+ SMESH_TNodeXYZ P2( itn->next() );
+ if (( P1 - P2 ).SquareModulus() < myTolerance * myTolerance )
+ {
+ node = P2._node;
+ break;
+ }
+ }
+ }
+
+ if ( !node )
+ node = mesh->AddNode( P1.X(), P1.Y(), P1.Z() );
+
+ newNodes.push_back( node );
+
+ } // loop on steps
+
+ return nbNodes;
+}
+
+//=======================================================================
+//function : ExtrusParam::makeNodesByNormal2D
+//purpose : create nodes for extrusion using normals of faces
+//=======================================================================
+
+int SMESH_MeshEditor::ExtrusParam::
+makeNodesByNormal2D( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes)
+{
+ const bool alongAvgNorm = ( myFlags & EXTRUSION_FLAG_BY_AVG_NORMAL );
+
+ gp_XYZ p = SMESH_TNodeXYZ( srcNode );
+
+ // get normals to faces sharing srcNode
+ vector< gp_XYZ > norms, baryCenters;
+ gp_XYZ norm, avgNorm( 0,0,0 );
+ SMDS_ElemIteratorPtr faceIt = srcNode->GetInverseElementIterator( SMDSAbs_Face );
+ while ( faceIt->more() )
+ {
+ const SMDS_MeshElement* face = faceIt->next();
+ if ( myElemsToUse && !myElemsToUse->count( face ))
+ continue;
+ if ( SMESH_MeshAlgos::FaceNormal( face, norm, /*normalized=*/true ))
+ {
+ norms.push_back( norm );
+ avgNorm += norm;
+ if ( !alongAvgNorm )
+ {
+ gp_XYZ bc(0,0,0);
+ int nbN = 0;
+ for ( SMDS_ElemIteratorPtr nIt = face->nodesIterator(); nIt->more(); ++nbN )
+ bc += SMESH_TNodeXYZ( nIt->next() );
+ baryCenters.push_back( bc / nbN );
+ }
}
}
- // create new node and return it
- const SMDS_MeshNode* NewNode = aMesh->AddNode(x,y,z);
- //myLastCreatedNodes.Append(NewNode);
- return NewNode;
+ if ( norms.empty() ) return 0;
+
+ double normSize = avgNorm.Modulus();
+ if ( normSize < std::numeric_limits<double>::min() )
+ return 0;
+
+ if ( myFlags & EXTRUSION_FLAG_BY_AVG_NORMAL ) // extrude along avgNorm
+ {
+ myDir = avgNorm;
+ return makeNodesByDir( mesh, srcNode, newNodes, makeMediumNodes );
+ }
+
+ avgNorm /= normSize;
+
+ int nbNodes = 0;
+ for ( beginStepIter( makeMediumNodes ); moreSteps(); ++nbNodes ) // loop on steps
+ {
+ gp_XYZ pNew = p;
+ double stepSize = nextStep();
+
+ if ( norms.size() > 1 )
+ {
+ for ( size_t iF = 0; iF < norms.size(); ++iF ) // loop on faces
+ {
+ // translate plane of a face
+ baryCenters[ iF ] += norms[ iF ] * stepSize;
+
+ // find point of intersection of the face plane located at baryCenters[ iF ]
+ // and avgNorm located at pNew
+ double d = -( norms[ iF ] * baryCenters[ iF ]); // d of plane equation ax+by+cz+d=0
+ double dot = ( norms[ iF ] * avgNorm );
+ if ( dot < std::numeric_limits<double>::min() )
+ dot = stepSize * 1e-3;
+ double step = -( norms[ iF ] * pNew + d ) / dot;
+ pNew += step * avgNorm;
+ }
+ }
+ else
+ {
+ pNew += stepSize * avgNorm;
+ }
+ p = pNew;
+
+ const SMDS_MeshNode * newNode = mesh->AddNode( p.X(), p.Y(), p.Z() );
+ newNodes.push_back( newNode );
+ }
+ return nbNodes;
}
+//=======================================================================
+//function : ExtrusParam::makeNodesByNormal1D
+//purpose : create nodes for extrusion using normals of edges
+//=======================================================================
+
+int SMESH_MeshEditor::ExtrusParam::
+makeNodesByNormal1D( SMESHDS_Mesh* mesh,
+ const SMDS_MeshNode* srcNode,
+ std::list<const SMDS_MeshNode*> & newNodes,
+ const bool makeMediumNodes)
+{
+ throw SALOME_Exception("Extrusion 1D by Normal not implemented");
+ return 0;
+}
//=======================================================================
//function : ExtrusionSweep
//=======================================================================
SMESH_MeshEditor::PGroupIDs
-SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet & theElems,
- const gp_Vec& theStep,
- const int theNbSteps,
- TElemOfElemListMap& newElemsMap,
- const bool theMakeGroups,
- const int theFlags,
- const double theTolerance)
+SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet theElems[2],
+ const gp_Vec& theStep,
+ const int theNbSteps,
+ TTElemOfElemListMap& newElemsMap,
+ const int theFlags,
+ const double theTolerance)
{
- ExtrusParam aParams;
- aParams.myDir = gp_Dir(theStep);
- aParams.myNodes.Clear();
- aParams.mySteps = new TColStd_HSequenceOfReal;
- int i;
- for(i=1; i<=theNbSteps; i++)
- aParams.mySteps->Append(theStep.Magnitude());
-
- return
- ExtrusionSweep(theElems,aParams,newElemsMap,theMakeGroups,theFlags,theTolerance);
+ ExtrusParam aParams( theStep, theNbSteps, theFlags, theTolerance );
+ return ExtrusionSweep( theElems, aParams, newElemsMap );
}
//=======================================================================
SMESH_MeshEditor::PGroupIDs
-SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet & theElems,
- ExtrusParam& theParams,
- TElemOfElemListMap& newElemsMap,
- const bool theMakeGroups,
- const int theFlags,
- const double theTolerance)
+SMESH_MeshEditor::ExtrusionSweep (TIDSortedElemSet theElemSets[2],
+ ExtrusParam& theParams,
+ TTElemOfElemListMap& newElemsMap)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
SMESHDS_Mesh* aMesh = GetMeshDS();
- int nbsteps = theParams.mySteps->Length();
+ setElemsFirst( theElemSets );
+ const int nbSteps = theParams.NbSteps();
+ theParams.SetElementsToUse( theElemSets[0] );
TNodeOfNodeListMap mapNewNodes;
//TNodeOfNodeVecMap mapNewNodes;
myMesh->NbVolumes(ORDER_QUADRATIC) );
// loop on theElems
TIDSortedElemSet::iterator itElem;
- for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
- // check element type
- const SMDS_MeshElement* elem = *itElem;
- if ( !elem || elem->GetType() == SMDSAbs_Volume )
- continue;
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ TIDSortedElemSet& theElems = theElemSets[ is2ndSet ];
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
+ {
+ // check element type
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem || elem->GetType() == SMDSAbs_Volume )
+ continue;
- vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
- newNodesItVec.reserve( elem->NbNodes() );
+ const size_t nbNodes = elem->NbNodes();
+ vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
+ newNodesItVec.reserve( nbNodes );
- // loop on elem nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() )
- {
- // check if a node has been already sweeped
- const SMDS_MeshNode* node = cast2Node( itN->next() );
- TNodeOfNodeListMap::iterator nIt =
- mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
- list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
- if ( listNewNodes.empty() )
+ // loop on elem nodes
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
{
- // make new nodes
-
- // check if we are to create medium nodes between corner ones
- bool needMediumNodes = false;
- if ( isQuadraticMesh )
+ // check if a node has been already sweeped
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
+ TNodeOfNodeListMap::iterator nIt =
+ mapNewNodes.insert( make_pair( node, list<const SMDS_MeshNode*>() )).first;
+ list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
{
- 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
- double coord[] = { node->X(), node->Y(), node->Z() };
- for ( int i = 0; i < nbsteps; i++ )
- {
- if ( needMediumNodes ) // create a medium node
+ // check if we are to create medium nodes between corner ones
+ bool needMediumNodes = false;
+ if ( isQuadraticMesh )
{
- 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.;
- if( theFlags & EXTRUSION_FLAG_SEW ) {
- const SMDS_MeshNode * newNode = CreateNode(x, y, z,
- theTolerance, theParams.myNodes);
- listNewNodes.push_back( newNode );
+ 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;
}
- else {
- const SMDS_MeshNode * newNode = aMesh->AddNode(x, y, z);
- myLastCreatedNodes.Append(newNode);
+ }
+ // create nodes for all steps
+ if ( theParams.MakeNodes( GetMeshDS(), node, listNewNodes, needMediumNodes ))
+ {
+ list<const SMDS_MeshNode*>::iterator newNodesIt = listNewNodes.begin();
+ for ( ; newNodesIt != listNewNodes.end(); ++newNodesIt )
+ {
+ myLastCreatedNodes.Append( *newNodesIt );
srcNodes.Append( node );
- listNewNodes.push_back( newNode );
}
}
- // 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);
- 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 );
+ else
+ {
+ break; // newNodesItVec will be shorter than nbNodes
}
}
+ newNodesItVec.push_back( nIt );
}
- newNodesItVec.push_back( nIt );
+ // make new elements
+ if ( newNodesItVec.size() == nbNodes )
+ sweepElement( elem, newNodesItVec, newElemsMap[elem], nbSteps, srcElems );
}
- // make new elements
- sweepElement( elem, newNodesItVec, newElemsMap[elem], nbsteps, srcElems );
}
- if( theFlags & EXTRUSION_FLAG_BOUNDARY ) {
- makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElems, nbsteps, srcElems );
+ if ( theParams.ToMakeBoundary() ) {
+ makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElemSets[0], nbSteps, srcElems );
}
PGroupIDs newGroupIDs;
- if ( theMakeGroups )
+ if ( theParams.ToMakeGroups() )
newGroupIDs = generateGroups( srcNodes, srcElems, "extruded");
return newGroupIDs;
//purpose :
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet theElements[2],
SMESH_subMesh* theTrack,
const SMDS_MeshNode* theN1,
const bool theHasAngles,
TNodeOfNodeListMap mapNewNodes;
// 1. Check data
- aNbE = theElements.size();
+ aNbE = theElements[0].size() + theElements[1].size();
// nothing to do
if ( !aNbE )
return EXTR_NO_ELEMENTS;
ASSERT( theTrack );
SMESHDS_SubMesh* pSubMeshDS = theTrack->GetSubMeshDS();
+ if ( !pSubMeshDS )
+ return ExtrusionAlongTrack( theElements, theTrack->GetFather(), theN1,
+ theHasAngles, theAngles, theLinearVariation,
+ theHasRefPoint, theRefPoint, theMakeGroups );
aItE = pSubMeshDS->GetElements();
while ( aItE->more() ) {
if( aS.ShapeType() == TopAbs_EDGE ) {
aTrackEdge = TopoDS::Edge( aS );
// the Edge must not be degenerated
- if ( BRep_Tool::Degenerated( aTrackEdge ) )
+ if ( SMESH_Algo::isDegenerated( aTrackEdge ) )
return EXTR_BAD_PATH_SHAPE;
TopExp::Vertices( aTrackEdge, aV1, aV2 );
aItN = theTrack->GetFather()->GetSubMesh( aV1 )->GetSubMeshDS()->GetNodes();
//purpose :
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet theElements[2],
SMESH_Mesh* theTrack,
const SMDS_MeshNode* theN1,
const bool theHasAngles,
TNodeOfNodeListMap mapNewNodes;
// 1. Check data
- aNbE = theElements.size();
+ aNbE = theElements[0].size() + theElements[1].size();
// nothing to do
if ( !aNbE )
return EXTR_NO_ELEMENTS;
const TopoDS_Shape& aS = theTrack->GetShapeToMesh();
- if( aS == SMESH_Mesh::PseudoShape() ) {
+ if ( !theTrack->HasShapeToMesh() ) {
//Mesh without shape
const SMDS_MeshNode* currentNode = NULL;
const SMDS_MeshNode* prevNode = theN1;
}
conn = nbEdgeConnectivity(theN1);
- if(conn > 2)
+ if( conn != 1 )
return EXTR_PATH_NOT_EDGE;
aItE = theN1->GetInverseElementIterator();
else if( aS.ShapeType() == TopAbs_EDGE ) {
aTrackEdge = TopoDS::Edge( aS );
// the Edge must not be degenerated
- if ( BRep_Tool::Degenerated( aTrackEdge ) )
+ if ( SMESH_Algo::isDegenerated( aTrackEdge ) )
return EXTR_BAD_PATH_SHAPE;
TopExp::Vertices( aTrackEdge, aV1, aV2 );
- 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();
- }
+ const SMDS_MeshNode* aN1 = SMESH_Algo::VertexNode( aV1, pMeshDS );
+ const SMDS_MeshNode* aN2 = SMESH_Algo::VertexNode( aV2, pMeshDS );
// starting node must be aN1 or aN2
if ( !( aN1 == theN1 || aN2 == theN1 ) )
return EXTR_BAD_STARTING_NODE;
TopExp_Explorer eExp(aS, TopAbs_EDGE);
for(; eExp.More(); eExp.Next()) {
TopoDS_Edge E = TopoDS::Edge( eExp.Current() );
- if( BRep_Tool::Degenerated(E) ) continue;
+ if( SMESH_Algo::isDegenerated(E) ) continue;
SMESH_subMesh* SM = theTrack->GetSubMesh(E);
if(SM) {
LSM.push_back(SM);
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();
- }
+ const SMDS_MeshNode* aN1 = SMESH_Algo::VertexNode( aV1, pMeshDS );
+ const SMDS_MeshNode* aN2 = SMESH_Algo::VertexNode( aV2, pMeshDS );
// starting node must be aN1 or aN2
aN1isOK = ( aN1 && aN1 == theN1 );
aN2isOK = ( aN2 && aN2 == theN1 );
}
}
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 );
- }
+ list<SMESH_MeshEditor_PathPoint>& firstList = *itLLPP;
+ fullList.splice( fullList.end(), firstList );
+
SMESH_MeshEditor_PathPoint PP1 = fullList.back();
fullList.pop_back();
itLLPP++;
for(; itLLPP!=LLPPs.end(); itLLPP++) {
- list<SMESH_MeshEditor_PathPoint> currList = *itLLPP;
- itPP = currList.begin();
+ list<SMESH_MeshEditor_PathPoint>& currList = *itLLPP;
SMESH_MeshEditor_PathPoint PP2 = currList.front();
gp_Dir D1 = PP1.Tangent();
gp_Dir D2 = PP2.Tangent();
- gp_Dir Dnew( ( D1.XYZ() + D2.XYZ() ) / 2 );
+ gp_Dir Dnew( D1.XYZ() + D2.XYZ() );
PP1.SetTangent(Dnew);
fullList.push_back(PP1);
- itPP++;
- for(; itPP!=currList.end(); itPP++) {
- fullList.push_back( *itPP );
- }
+ fullList.splice( fullList.end(), currList, ++currList.begin(), currList.end() );
PP1 = fullList.back();
fullList.pop_back();
}
//purpose : auxilary for ExtrusionAlongTrack
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::MakeEdgePathPoints(std::list<double>& aPrms,
- const TopoDS_Edge& aTrackEdge,
- bool FirstIsStart,
+SMESH_MeshEditor::MakeEdgePathPoints(std::list<double>& aPrms,
+ const TopoDS_Edge& aTrackEdge,
+ bool FirstIsStart,
list<SMESH_MeshEditor_PathPoint>& LPP)
{
Standard_Real aTx1, aTx2, aL2, aTolVec, aTolVec2;
aL2 = aVec.SquareMagnitude();
if ( aL2 < aTolVec2 )
return EXTR_CANT_GET_TANGENT;
- gp_Dir aTgt( aVec );
+ gp_Dir aTgt( FirstIsStart ? aVec : -aVec );
aPP.SetPnt( aP3D );
aPP.SetTangent( aTgt );
aPP.SetParameter( aT );
//purpose : auxilary for ExtrusionAlongTrack
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
-SMESH_MeshEditor::MakeExtrElements(TIDSortedElemSet& theElements,
+SMESH_MeshEditor::MakeExtrElements(TIDSortedElemSet theElemSets[2],
list<SMESH_MeshEditor_PathPoint>& fullList,
- const bool theHasAngles,
- list<double>& theAngles,
- const bool theLinearVariation,
- const bool theHasRefPoint,
- const gp_Pnt& theRefPoint,
- const bool theMakeGroups)
+ const bool theHasAngles,
+ list<double>& theAngles,
+ const bool theLinearVariation,
+ const bool theHasRefPoint,
+ 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);
+ const int aNbTP = fullList.size();
+
// Angles
- if( theHasAngles && theAngles.size()>0 && theLinearVariation ) {
+ if( theHasAngles && !theAngles.empty() && theLinearVariation )
LinearAngleVariation(aNbTP-1, theAngles);
- }
- vector<double> aAngles( aNbTP );
- int j = 0;
- for(; j<aNbTP; ++j) {
- aAngles[j] = 0.;
- }
- if ( theHasAngles ) {
- double anAngle;;
- std::list<double>::iterator aItD = theAngles.begin();
- for ( j=1; (aItD != theAngles.end()) && (j<aNbTP); ++aItD, ++j ) {
- anAngle = *aItD;
- aAngles[j] = anAngle;
- }
- }
+
// fill vector of path points with angles
- //aPPs.resize(fullList.size());
- j = -1;
+ vector<SMESH_MeshEditor_PathPoint> aPPs;
list<SMESH_MeshEditor_PathPoint>::iterator itPP = fullList.begin();
- for(; itPP!=fullList.end(); itPP++) {
- j++;
- SMESH_MeshEditor_PathPoint PP = *itPP;
- PP.SetAngle(aAngles[j]);
- aPPs[j] = PP;
+ list<double>::iterator itAngles = theAngles.begin();
+ aPPs.push_back( *itPP++ );
+ for( ; itPP != fullList.end(); itPP++) {
+ aPPs.push_back( *itPP );
+ if ( theHasAngles && itAngles != theAngles.end() )
+ aPPs.back().SetAngle( *itAngles++ );
}
- TNodeOfNodeListMap mapNewNodes;
+ TNodeOfNodeListMap mapNewNodes;
TElemOfVecOfNnlmiMap mapElemNewNodes;
- TElemOfElemListMap newElemsMap;
+ TTElemOfElemListMap newElemsMap;
TIDSortedElemSet::iterator itElem;
- double aX, aY, aZ;
- int aNb;
- SMDSAbs_ElementType aTypeE;
// source elements for each generated one
SMESH_SequenceOfElemPtr srcElems, srcNodes;
// 3. Center of rotation aV0
gp_Pnt aV0 = theRefPoint;
- gp_XYZ aGC;
- if ( !theHasRefPoint ) {
- aNb = 0;
- aGC.SetCoord( 0.,0.,0. );
-
- itElem = theElements.begin();
- for ( ; itElem != theElements.end(); itElem++ ) {
- const SMDS_MeshElement* elem = *itElem;
-
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
- const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( itN->next() );
- aX = node->X();
- aY = node->Y();
- aZ = node->Z();
+ if ( !theHasRefPoint )
+ {
+ gp_XYZ aGC( 0.,0.,0. );
+ TIDSortedElemSet newNodes;
- if ( mapNewNodes.find( node ) == mapNewNodes.end() ) {
- list<const SMDS_MeshNode*> aLNx;
- mapNewNodes[node] = aLNx;
- //
- gp_XYZ aXYZ( aX, aY, aZ );
- aGC += aXYZ;
- ++aNb;
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ TIDSortedElemSet& theElements = theElemSets[ is2ndSet ];
+ itElem = theElements.begin();
+ for ( ; itElem != theElements.end(); itElem++ )
+ {
+ const SMDS_MeshElement* elem = *itElem;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() ) {
+ const SMDS_MeshElement* node = itN->next();
+ if ( newNodes.insert( node ).second )
+ aGC += SMESH_TNodeXYZ( node );
}
}
}
- aGC /= aNb;
+ aGC /= newNodes.size();
aV0.SetXYZ( aGC );
} // if (!theHasRefPoint) {
- mapNewNodes.clear();
// 4. Processing the elements
SMESHDS_Mesh* aMesh = GetMeshDS();
+ list<const SMDS_MeshNode*> emptyList;
- for ( itElem = theElements.begin(); itElem != theElements.end(); itElem++ ) {
- // check element type
- const SMDS_MeshElement* elem = *itElem;
- aTypeE = elem->GetType();
- if ( !elem || ( aTypeE != SMDSAbs_Face && aTypeE != SMDSAbs_Edge ) )
- continue;
-
- vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
- newNodesItVec.reserve( elem->NbNodes() );
-
- // loop on elem nodes
- int nodeIndex = -1;
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() )
+ setElemsFirst( theElemSets );
+ for ( int is2ndSet = 0; is2ndSet < 2; ++is2ndSet )
+ {
+ TIDSortedElemSet& theElements = theElemSets[ is2ndSet ];
+ for ( itElem = theElements.begin(); itElem != theElements.end(); itElem++ )
{
- ++nodeIndex;
- // check if a node has been already processed
- const SMDS_MeshNode* node =
- static_cast<const SMDS_MeshNode*>( itN->next() );
- TNodeOfNodeListMap::iterator 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;
-
- // make new nodes
- aX = node->X(); aY = node->Y(); aZ = node->Z();
-
- Standard_Real aAngle1x, aAngleT1T0, aTolAng;
- gp_Pnt aP0x, aP1x, aPN0, aPN1, aV0x, aV1x;
- gp_Ax1 anAx1, anAxT1T0;
- gp_Dir aDT1x, aDT0x, aDT1T0;
-
- aTolAng=1.e-4;
-
- aV0x = aV0;
- aPN0.SetCoord(aX, aY, aZ);
-
- const SMESH_MeshEditor_PathPoint& aPP0 = aPPs[0];
- aP0x = aPP0.Pnt();
- aDT0x= aPP0.Tangent();
- //cout<<"j = 0 PP: Pnt("<<aP0x.X()<<","<<aP0x.Y()<<","<<aP0x.Z()<<")"<<endl;
-
- for ( j = 1; j < aNbTP; ++j ) {
- const SMESH_MeshEditor_PathPoint& aPP1 = aPPs[j];
- aP1x = aPP1.Pnt();
- aDT1x = aPP1.Tangent();
- aAngle1x = aPP1.Angle();
-
- gp_Trsf aTrsf, aTrsfRot, aTrsfRotT1T0;
- // Translation
- gp_Vec aV01x( aP0x, aP1x );
- aTrsf.SetTranslation( aV01x );
+ const SMDS_MeshElement* elem = *itElem;
- // traslated point
- aV1x = aV0x.Transformed( aTrsf );
- aPN1 = aPN0.Transformed( aTrsf );
+ vector<TNodeOfNodeListMapItr> & newNodesItVec = mapElemNewNodes[ elem ];
+ newNodesItVec.reserve( elem->NbNodes() );
- // rotation 1 [ T1,T0 ]
- aAngleT1T0=-aDT1x.Angle( aDT0x );
- if (fabs(aAngleT1T0) > aTolAng) {
- aDT1T0=aDT1x^aDT0x;
- anAxT1T0.SetLocation( aV1x );
- anAxT1T0.SetDirection( aDT1T0 );
- aTrsfRotT1T0.SetRotation( anAxT1T0, aAngleT1T0 );
+ // loop on elem nodes
+ int nodeIndex = -1;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ ++nodeIndex;
+ // check if a node has been already processed
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
+ TNodeOfNodeListMap::iterator nIt = mapNewNodes.insert( make_pair( node, emptyList )).first;
+ list<const SMDS_MeshNode*>& listNewNodes = nIt->second;
+ if ( listNewNodes.empty() )
+ {
+ // make new nodes
+ Standard_Real aAngle1x, aAngleT1T0, aTolAng;
+ gp_Pnt aP0x, aP1x, aPN0, aPN1, aV0x, aV1x;
+ gp_Ax1 anAx1, anAxT1T0;
+ gp_Dir aDT1x, aDT0x, aDT1T0;
+
+ aTolAng=1.e-4;
+
+ aV0x = aV0;
+ aPN0 = SMESH_TNodeXYZ( node );
+
+ const SMESH_MeshEditor_PathPoint& aPP0 = aPPs[0];
+ aP0x = aPP0.Pnt();
+ aDT0x= aPP0.Tangent();
+
+ for ( int j = 1; j < aNbTP; ++j ) {
+ const SMESH_MeshEditor_PathPoint& aPP1 = aPPs[j];
+ aP1x = aPP1.Pnt();
+ aDT1x = aPP1.Tangent();
+ aAngle1x = aPP1.Angle();
+
+ gp_Trsf aTrsf, aTrsfRot, aTrsfRotT1T0;
+ // Translation
+ gp_Vec aV01x( aP0x, aP1x );
+ aTrsf.SetTranslation( aV01x );
+
+ // traslated point
+ aV1x = aV0x.Transformed( aTrsf );
+ aPN1 = aPN0.Transformed( aTrsf );
+
+ // rotation 1 [ T1,T0 ]
+ aAngleT1T0=-aDT1x.Angle( aDT0x );
+ if (fabs(aAngleT1T0) > aTolAng)
+ {
+ aDT1T0=aDT1x^aDT0x;
+ anAxT1T0.SetLocation( aV1x );
+ anAxT1T0.SetDirection( aDT1T0 );
+ aTrsfRotT1T0.SetRotation( anAxT1T0, aAngleT1T0 );
- aPN1 = aPN1.Transformed( aTrsfRotT1T0 );
- }
+ aPN1 = aPN1.Transformed( aTrsfRotT1T0 );
+ }
- // rotation 2
- if ( theHasAngles ) {
- anAx1.SetLocation( aV1x );
- anAx1.SetDirection( aDT1x );
- aTrsfRot.SetRotation( anAx1, aAngle1x );
+ // rotation 2
+ if ( theHasAngles ) {
+ anAx1.SetLocation( aV1x );
+ anAx1.SetDirection( aDT1x );
+ aTrsfRot.SetRotation( anAx1, aAngle1x );
- aPN1 = aPN1.Transformed( aTrsfRot );
- }
+ aPN1 = aPN1.Transformed( aTrsfRot );
+ }
- // 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.;
- double y = ( aPN1.Y() + aPN0.Y() )/2.;
- double z = ( aPN1.Z() + aPN0.Z() )/2.;
- const SMDS_MeshNode* newNode = aMesh->AddNode(x,y,z);
+ // make new node
+ if ( elem->IsQuadratic() && !elem->IsMediumNode(node) )
+ {
+ // create additional node
+ gp_XYZ midP = 0.5 * ( aPN1.XYZ() + aPN0.XYZ() );
+ const SMDS_MeshNode* newNode = aMesh->AddNode( midP.X(), midP.Y(), midP.Z() );
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ listNewNodes.push_back( newNode );
+ }
+ const SMDS_MeshNode* newNode = aMesh->AddNode( aPN1.X(), aPN1.Y(), aPN1.Z() );
myLastCreatedNodes.Append(newNode);
srcNodes.Append( node );
listNewNodes.push_back( newNode );
- }
- aX = aPN1.X();
- aY = aPN1.Y();
- aZ = aPN1.Z();
- const SMDS_MeshNode* newNode = aMesh->AddNode( aX, aY, aZ );
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- aPN0 = aPN1;
- aP0x = aP1x;
- aV0x = aV1x;
- aDT0x = aDT1x;
+ aPN0 = aPN1;
+ aP0x = aP1x;
+ aV0x = aV1x;
+ aDT0x = aDT1x;
+ }
}
- }
-
- 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) ) {
+ else if( elem->IsQuadratic() && !elem->IsMediumNode(node) )
+ {
+ // if current elem is quadratic and current node is not medium
+ // we have to check - may be it is needed to insert additional nodes
list< const SMDS_MeshNode* > & listNewNodes = nIt->second;
- if(listNewNodes.size()==aNbTP-1) {
+ if ( listNewNodes.size() == aNbTP-1 )
+ {
vector<const SMDS_MeshNode*> aNodes(2*(aNbTP-1));
gp_XYZ P(node->X(), node->Y(), node->Z());
list< const SMDS_MeshNode* >::iterator it = listNewNodes.begin();
}
}
}
+
+ newNodesItVec.push_back( nIt );
}
- newNodesItVec.push_back( nIt );
+ // make new elements
+ sweepElement( elem, newNodesItVec, newElemsMap[elem], aNbTP-1, srcElems );
}
- // make new elements
- //sweepElement( aMesh, elem, newNodesItVec, newElemsMap[elem],
- // newNodesItVec[0]->second.size(), myLastCreatedElems );
- sweepElement( elem, newNodesItVec, newElemsMap[elem], aNbTP-1, srcElems );
}
- makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElements, aNbTP-1, srcElems );
+ makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElemSets[0], aNbTP-1, srcElems );
if ( theMakeGroups )
generateGroups( srcNodes, srcElems, "extruded");
groupPostfix = "transformed";
}
- SMESH_MeshEditor targetMeshEditor( theTargetMesh );
SMESHDS_Mesh* aTgtMesh = theTargetMesh ? theTargetMesh->GetMeshDS() : 0;
SMESHDS_Mesh* aMesh = GetMeshDS();
+ SMESH_MeshEditor targetMeshEditor( theTargetMesh );
+ SMESH_MeshEditor* editor = theTargetMesh ? & targetMeshEditor : theCopy ? this : 0;
+ SMESH_MeshEditor::ElemFeatures elemType;
// map old node to new one
TNodeNodeMap nodeMap;
// loop on elements to transform nodes : first orphan nodes then elems
TIDSortedElemSet::iterator itElem;
- TIDSortedElemSet *elements[] = {&orphanNode, &theElems };
+ 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;
-
- // loop on elem nodes
- SMDS_ElemIteratorPtr itN = elem->nodesIterator();
- while ( itN->more() ) {
-
- 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 ( itElem = elements[i]->begin(); itElem != elements[i]->end(); itElem++ )
+ {
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem )
continue;
+ // loop on elem nodes
double coord[3];
- coord[0] = node->X();
- coord[1] = node->Y();
- coord[2] = node->Z();
- theTrsf.Transforms( coord[0], coord[1], coord[2] );
- if ( theTargetMesh ) {
- const SMDS_MeshNode * newNode = aTgtMesh->AddNode( coord[0], coord[1], coord[2] );
- n2n_isnew.first->second = newNode;
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- }
- else if ( theCopy ) {
- const SMDS_MeshNode * newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- n2n_isnew.first->second = newNode;
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- }
- else {
- aMesh->MoveNode( node, coord[0], coord[1], coord[2] );
- // node position on shape becomes invalid
- const_cast< SMDS_MeshNode* > ( node )->SetPosition
- ( SMDS_SpacePosition::originSpacePosition() );
- }
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() )
+ {
+ 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 )
+ continue;
- // keep inverse elements
- if ( !theCopy && !theTargetMesh && needReverse ) {
- SMDS_ElemIteratorPtr invElemIt = node->GetInverseElementIterator();
- while ( invElemIt->more() ) {
- const SMDS_MeshElement* iel = invElemIt->next();
- inverseElemSet.insert( iel );
+ node->GetXYZ( coord );
+ theTrsf.Transforms( coord[0], coord[1], coord[2] );
+ if ( theTargetMesh ) {
+ const SMDS_MeshNode * newNode = aTgtMesh->AddNode( coord[0], coord[1], coord[2] );
+ n2n_isnew.first->second = newNode;
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ }
+ else if ( theCopy ) {
+ const SMDS_MeshNode * newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
+ n2n_isnew.first->second = newNode;
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ }
+ else {
+ aMesh->MoveNode( node, coord[0], coord[1], coord[2] );
+ // node position on shape becomes invalid
+ const_cast< SMDS_MeshNode* > ( node )->SetPosition
+ ( SMDS_SpacePosition::originSpacePosition() );
+ }
+
+ // keep inverse elements
+ if ( !theCopy && !theTargetMesh && needReverse ) {
+ SMDS_ElemIteratorPtr invElemIt = node->GetInverseElementIterator();
+ while ( invElemIt->more() ) {
+ const SMDS_MeshElement* iel = invElemIt->next();
+ inverseElemSet.insert( iel );
+ }
}
}
- }
- }
+ } // loop on elems in { &orphanNode, &theElems };
// either create new elements or reverse mirrored ones
if ( !theCopy && !needReverse && !theTargetMesh )
return PGroupIDs();
- TIDSortedElemSet::iterator invElemIt = inverseElemSet.begin();
- for ( ; invElemIt != inverseElemSet.end(); invElemIt++ )
- theElems.insert( *invElemIt );
+ theElems.insert( inverseElemSet.begin(),inverseElemSet.end() );
// Replicate or reverse elements
std::vector<int> iForw;
+ vector<const SMDS_MeshNode*> nodes;
for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
{
const SMDS_MeshElement* elem = *itElem;
int nbNodes = elem->NbNodes();
if ( geomType == SMDSGeom_NONE ) continue; // node
- switch ( geomType ) {
+ nodes.resize( nbNodes );
- case SMDSGeom_POLYGON: // ---------------------- polygon
+ if ( geomType == SMDSGeom_POLYHEDRA ) // ------------------ polyhedral volume
+ {
+ const SMDS_VtkVolume* aPolyedre = dynamic_cast<const SMDS_VtkVolume*>( elem );
+ if (!aPolyedre)
+ continue;
+ nodes.clear();
+ bool allTransformed = true;
+ int nbFaces = aPolyedre->NbFaces();
+ for (int iface = 1; iface <= nbFaces && allTransformed; iface++)
{
- 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());
+ 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())
- 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
-
- 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;
-
- case SMDSGeom_POLYHEDRA: // ------------------ polyhedral volume
- {
- const SMDS_VtkVolume* aPolyedre =
- dynamic_cast<const SMDS_VtkVolume*>( elem );
- if (!aPolyedre) {
- MESSAGE("Warning: bad volumic element");
- continue;
- }
-
- 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);
- }
- if ( !allTransformed )
- 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);
- }
- }
- 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 {
- myLastCreatedElems.Append(aMesh->AddBall( nodeMapIt->second, diameter ));
- srcElems.Append( elem );
+ if ( nodeMapIt == nodeMap.end() )
+ allTransformed = false; // not all nodes transformed
+ else
+ nodes.push_back((*nodeMapIt).second);
}
+ if ( needReverse && allTransformed )
+ std::reverse( nodes.end() - nbFaceNodes, nodes.end() );
}
- break;
-
- default: // ----------------------- Regular elements
-
+ if ( !allTransformed )
+ continue; // not all nodes transformed
+ }
+ else // ----------------------- the rest element types
+ {
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;
+ const vector<int>& iRev = SMDS_MeshCell::reverseSmdsOrder( elem->GetEntityType(), nbNodes );
+ const vector<int>& i = needReverse ? iRev : iForw;
// 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() );
+ 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 ( 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 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 )
+ if ( editor ) {
+ // copy in this or a new mesh
+ if ( editor->AddElement( nodes, elemType.Init( elem, /*basicOnly=*/false )))
+ srcElems.Append( elem );
+ }
+ else {
+ // reverse element as it was reversed by transformation
+ if ( nbNodes > 2 )
+ aMesh->ChangeElementNodes( elem, &nodes[0], nbNodes );
+ }
} // loop on elements
+ if ( editor && editor != this )
+ myLastCreatedElems = editor->myLastCreatedElems;
+
PGroupIDs newGroupIDs;
if ( ( theMakeGroups && theCopy ) ||
( theMakeGroups && theTargetMesh ) )
- newGroupIDs = generateGroups( srcNodes, srcElems, groupPostfix, theTargetMesh );
+ newGroupIDs = generateGroups( srcNodes, srcElems, groupPostfix, theTargetMesh, false );
return newGroupIDs;
}
//=======================================================================
/*!
* \brief Create groups of elements made during transformation
- * \param nodeGens - nodes making corresponding myLastCreatedNodes
- * \param elemGens - elements making corresponding myLastCreatedElems
- * \param postfix - to append to names of new groups
+ * \param nodeGens - nodes making corresponding myLastCreatedNodes
+ * \param elemGens - elements making corresponding myLastCreatedElems
+ * \param postfix - to append to names of new groups
+ * \param targetMesh - mesh to create groups in
+ * \param topPresent - is there "top" elements that are created by sweeping
*/
//=======================================================================
SMESH_MeshEditor::generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
const SMESH_SequenceOfElemPtr& elemGens,
const std::string& postfix,
- SMESH_Mesh* targetMesh)
+ SMESH_Mesh* targetMesh,
+ const bool topPresent)
{
PGroupIDs newGroupIDs( new list<int> );
SMESH_Mesh* mesh = targetMesh ? targetMesh : GetMesh();
// Sort existing groups by types and collect their names
- // to store an old group and a generated new one
- typedef pair< SMESHDS_GroupBase*, SMESHDS_Group* > TOldNewGroup;
+ // containers to store an old group and generated new ones;
+ // 1st new group is for result elems of different type than a source one;
+ // 2nd new group is for same type result elems ("top" group at extrusion)
+ 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
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() );
- SMESHDS_Group* newGroup = new SMESHDS_Group( newGroupID++, mesh->GetMeshDS(),
- groupDS->GetType() );
- groupsByType[ groupDS->GetType() ].push_back( make_pair( groupDS, newGroup ));
- orderedOldNewGroups.push_back( & groupsByType[ groupDS->GetType() ].back() );
+ 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[ type ].push_back( make_tuple( groupDS, newGroup, newTopGroup ));
+ orderedOldNewGroups.push_back( & groupsByType[ type ].back() );
}
// Loop on nodes and elements to add them in new groups
+ vector< const SMDS_MeshElement* > resultElems;
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 )
++iElem; // skip all elements made by sourceElem
continue;
}
- // collect all elements made by sourceElem
- list< const SMDS_MeshElement* > resultElems;
+ // collect all elements made by the iElem-th sourceElem
+ resultElems.clear();
if ( const SMDS_MeshElement* resElem = elems( iElem ))
if ( resElem != sourceElem )
resultElems.push_back( resElem );
if ( resElem != sourceElem )
resultElems.push_back( resElem );
- // 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 )
+ const SMDS_MeshElement* topElem = 0;
+ if ( isNodes ) // there must be a top element
{
- SMESHDS_GroupBase* oldGroup = gOldNew->first;
- if ( oldGroup->Contains( sourceElem )) // sourceElem is in oldGroup
- {
- // fill in a new group
- SMDS_MeshGroup & newGroup = gOldNew->second->SMDSGroup();
- list< const SMDS_MeshElement* >::iterator resLast = resultElems.end(), resElemIt;
- for ( resElemIt = resultElems.begin(); resElemIt != resLast; ++resElemIt )
- newGroup.Add( *resElemIt );
- }
+ topElem = resultElems.back();
+ resultElems.pop_back();
}
- } // loop on created elements
- }// loop on nodes and elements
-
- // Create new SMESH_Groups from SMESHDS_Groups and remove empty SMESHDS_Groups
-
- for ( size_t i = 0; i < orderedOldNewGroups.size(); ++i )
- {
- SMESHDS_GroupBase* oldGroupDS = orderedOldNewGroups[i]->first;
- SMESHDS_Group* newGroupDS = orderedOldNewGroups[i]->second;
- if ( newGroupDS->IsEmpty() )
- {
- mesh->GetMeshDS()->RemoveGroup( newGroupDS );
- }
- else
- {
- // make a name
- string name = oldGroupDS->GetStoreName();
- if ( !targetMesh ) {
- name += "_";
- name += postfix;
- int nb = 1;
- while ( !groupNames.insert( name ).second ) // name exists
- name = SMESH_Comment( oldGroupDS->GetStoreName() ) << "_" << postfix << "_" << nb++;
- }
- newGroupDS->SetStoreName( name.c_str() );
-
- // make a SMESH_Groups
- mesh->AddGroup( newGroupDS );
- newGroupIDs->push_back( newGroupDS->GetID() );
-
- // set group type
- newGroupDS->SetType( newGroupDS->GetElements()->next()->GetType() );
- }
- }
-
- return newGroupIDs;
-}
-
-//================================================================================
-/*!
- * \brief Return list of group of nodes close to each other within theTolerance
- * Search among theNodes or in the whole mesh if theNodes is empty using
- * an Octree algorithm
- */
-//================================================================================
-
-void SMESH_MeshEditor::FindCoincidentNodes (TIDSortedNodeSet & theNodes,
- const double theTolerance,
- TListOfListOfNodes & theGroupsOfNodes)
-{
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
-
- if ( theNodes.empty() )
- { // get all nodes in the mesh
- SMDS_NodeIteratorPtr nIt = GetMeshDS()->nodesIterator(/*idInceasingOrder=*/true);
- while ( nIt->more() )
- theNodes.insert( theNodes.end(),nIt->next());
- }
-
- SMESH_OctreeNode::FindCoincidentNodes ( theNodes, &theGroupsOfNodes, theTolerance);
-}
-
-
-//=======================================================================
-/*!
- * \brief Implementation of search for the node closest to point
- */
-//=======================================================================
-
-struct SMESH_NodeSearcherImpl: public SMESH_NodeSearcher
-{
- //---------------------------------------------------------------------
- /*!
- * \brief Constructor
- */
- SMESH_NodeSearcherImpl( const SMESHDS_Mesh* theMesh )
- {
- myMesh = ( SMESHDS_Mesh* ) theMesh;
-
- TIDSortedNodeSet nodes;
- if ( theMesh ) {
- SMDS_NodeIteratorPtr nIt = theMesh->nodesIterator(/*idInceasingOrder=*/true);
- while ( nIt->more() )
- nodes.insert( nodes.end(), nIt->next() );
- }
- myOctreeNode = new SMESH_OctreeNode(nodes) ;
-
- // get max size of a leaf box
- SMESH_OctreeNode* tree = myOctreeNode;
- while ( !tree->isLeaf() )
- {
- SMESH_OctreeNodeIteratorPtr cIt = tree->GetChildrenIterator();
- if ( cIt->more() )
- tree = cIt->next();
- }
- myHalfLeafSize = tree->maxSize() / 2.;
- }
-
- //---------------------------------------------------------------------
- /*!
- * \brief Move node and update myOctreeNode accordingly
- */
- void MoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt )
- {
- myOctreeNode->UpdateByMoveNode( node, toPnt );
- myMesh->MoveNode( node, toPnt.X(), toPnt.Y(), toPnt.Z() );
- }
-
- //---------------------------------------------------------------------
- /*!
- * \brief Do it's job
- */
- const SMDS_MeshNode* FindClosestTo( const gp_Pnt& thePnt )
- {
- map<double, const SMDS_MeshNode*> dist2Nodes;
- myOctreeNode->NodesAround( thePnt.Coord(), dist2Nodes, myHalfLeafSize );
- if ( !dist2Nodes.empty() )
- return dist2Nodes.begin()->second;
- list<const SMDS_MeshNode*> nodes;
- //myOctreeNode->NodesAround( &tgtNode, &nodes, myHalfLeafSize );
-
- double minSqDist = DBL_MAX;
- if ( nodes.empty() ) // get all nodes of OctreeNode's closest to thePnt
- {
- // sort leafs by their distance from thePnt
- typedef map< double, SMESH_OctreeNode* > TDistTreeMap;
- TDistTreeMap treeMap;
- list< SMESH_OctreeNode* > treeList;
- list< SMESH_OctreeNode* >::iterator trIt;
- treeList.push_back( myOctreeNode );
-
- gp_XYZ pointNode( thePnt.X(), thePnt.Y(), thePnt.Z() );
- bool pointInside = myOctreeNode->isInside( pointNode, myHalfLeafSize );
- for ( trIt = treeList.begin(); trIt != treeList.end(); ++trIt)
+ else
{
- SMESH_OctreeNode* tree = *trIt;
- if ( !tree->isLeaf() ) // put children to the queue
- {
- 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();
- 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
- treeMap.insert( it_in.first, make_pair( sqDist + 1e-13*treeMap.size(), tree ));
- }
- }
- // find distance after which there is no sense to check tree's
- double sqLimit = DBL_MAX;
- TDistTreeMap::iterator sqDist_tree = treeMap.begin();
- if ( treeMap.size() > 5 ) {
- SMESH_OctreeNode* closestTree = sqDist_tree->second;
- const Bnd_B3d& box = *closestTree->getBox();
- double limit = sqrt( sqDist_tree->first ) + sqrt ( box.SquareExtent() );
- sqLimit = limit * limit;
- }
- // get all nodes from trees
- for ( ; sqDist_tree != treeMap.end(); ++sqDist_tree) {
- if ( sqDist_tree->first > sqLimit )
- break;
- SMESH_OctreeNode* tree = sqDist_tree->second;
- tree->NodesAround( tree->GetNodeIterator()->next(), &nodes );
- }
- }
- // find closest among nodes
- minSqDist = DBL_MAX;
- const SMDS_MeshNode* closestNode = 0;
- list<const SMDS_MeshNode*>::iterator nIt = nodes.begin();
- for ( ; nIt != nodes.end(); ++nIt ) {
- double sqDist = thePnt.SquareDistance( SMESH_TNodeXYZ( *nIt ) );
- if ( minSqDist > sqDist ) {
- closestNode = *nIt;
- minSqDist = sqDist;
+ vector< const SMDS_MeshElement* >::reverse_iterator resElemIt = resultElems.rbegin();
+ for ( ; resElemIt != resultElems.rend() ; ++resElemIt )
+ if ( (*resElemIt)->GetType() == sourceElem->GetType() )
+ {
+ topElem = *resElemIt;
+ *resElemIt = 0; // erase *resElemIt
+ break;
+ }
}
- }
- return closestNode;
- }
-
- //---------------------------------------------------------------------
- /*!
- * \brief Destructor
- */
- ~SMESH_NodeSearcherImpl() { delete myOctreeNode; }
-
- //---------------------------------------------------------------------
- /*!
- * \brief Return the node tree
- */
- const SMESH_OctreeNode* getTree() const { return myOctreeNode; }
-
-private:
- SMESH_OctreeNode* myOctreeNode;
- SMESHDS_Mesh* myMesh;
- double myHalfLeafSize; // max size of a leaf box
-};
-
-//=======================================================================
-/*!
- * \brief Return SMESH_NodeSearcher
- */
-//=======================================================================
-
-SMESH_NodeSearcher* SMESH_MeshEditor::GetNodeSearcher()
-{
- return new SMESH_NodeSearcherImpl( GetMeshDS() );
-}
-
-// ========================================================================
-namespace // Utils used in SMESH_ElementSearcherImpl::FindElementsByPoint()
-{
- const int MaxNbElemsInLeaf = 10; // maximal number of elements in a leaf of tree
- const int MaxLevel = 7; // maximal tree height -> nb terminal boxes: 8^7 = 2097152
- const double NodeRadius = 1e-9; // to enlarge bnd box of element
-
- //=======================================================================
- /*!
- * \brief Octal tree of bounding boxes of elements
- */
- //=======================================================================
-
- class ElementBndBoxTree : public SMESH_Octree
- {
- public:
-
- 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():_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, double tolerance);
- };
- vector< ElementBox* > _elements;
- size_t _size;
- };
-
- //================================================================================
- /*!
- * \brief ElementBndBoxTree creation
- */
- //================================================================================
-
- 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 = theElemIt ? theElemIt : mesh.elementsIterator( elemType );
- while ( elemIt->more() )
- _elements.push_back( new ElementBox( elemIt->next(),tolerance ));
-
- compute();
- }
-
- //================================================================================
- /*!
- * \brief Destructor
- */
- //================================================================================
-
- ElementBndBoxTree::~ElementBndBoxTree()
- {
- for ( int i = 0; i < _elements.size(); ++i )
- if ( --_elements[i]->_refCount <= 0 )
- delete _elements[i];
- }
-
- //================================================================================
- /*!
- * \brief Return the maximal box
- */
- //================================================================================
-
- Bnd_B3d* ElementBndBoxTree::buildRootBox()
- {
- Bnd_B3d* box = new Bnd_B3d;
- for ( int i = 0; i < _elements.size(); ++i )
- box->Add( *_elements[i] );
- return box;
- }
-
- //================================================================================
- /*!
- * \brief Redistrubute element boxes among children
- */
- //================================================================================
-
- void ElementBndBoxTree::buildChildrenData()
- {
- for ( int i = 0; i < _elements.size(); ++i )
- {
- for (int j = 0; j < 8; j++)
- {
- if ( !_elements[i]->IsOut( *myChildren[j]->getBox() ))
- {
- _elements[i]->_refCount++;
- ((ElementBndBoxTree*)myChildren[j])->_elements.push_back( _elements[i]);
- }
- }
- _elements[i]->_refCount--;
- }
- _size = _elements.size();
- SMESHUtils::FreeVector( _elements ); // = _elements.clear() + free memory
-
- for (int j = 0; j < 8; j++)
- {
- ElementBndBoxTree* child = static_cast<ElementBndBoxTree*>( myChildren[j]);
- if ( child->_elements.size() <= MaxNbElemsInLeaf )
- child->myIsLeaf = true;
-
- if ( child->_elements.capacity() - child->_elements.size() > 1000 )
- SMESHUtils::CompactVector( child->_elements );
- }
- }
-
- //================================================================================
- /*!
- * \brief Return elements which can include the point
- */
- //================================================================================
-
- void ElementBndBoxTree::getElementsNearPoint( const gp_Pnt& point,
- TIDSortedElemSet& foundElems)
- {
- if ( getBox()->IsOut( point.XYZ() ))
- return;
-
- if ( isLeaf() )
- {
- for ( int i = 0; i < _elements.size(); ++i )
- if ( !_elements[i]->IsOut( point.XYZ() ))
- foundElems.insert( _elements[i]->_element );
- }
- else
- {
- for (int i = 0; i < 8; i++)
- ((ElementBndBoxTree*) myChildren[i])->getElementsNearPoint( point, foundElems );
- }
- }
-
- //================================================================================
- /*!
- * \brief Return elements which can be intersected by the line
- */
- //================================================================================
-
- void ElementBndBoxTree::getElementsNearLine( const gp_Ax1& line,
- TIDSortedElemSet& foundElems)
- {
- 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 and
- * of classification of point in 2D mesh
- */
-//=======================================================================
-
-struct SMESH_ElementSearcherImpl: public SMESH_ElementSearcher
-{
- 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;
- }
- 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
- {
- 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();
-
- _tolerance = 0;
- if ( _nodeSearcher && meshInfo.NbNodes() > 1 )
- {
- double boxSize = _nodeSearcher->getTree()->maxSize();
- _tolerance = 1e-8 * boxSize/* / meshInfo.NbNodes()*/;
- }
- else if ( _ebbTree && meshInfo.NbElements() > 0 )
- {
- double boxSize = _ebbTree->maxSize();
- _tolerance = 1e-8 * boxSize/* / meshInfo.NbElements()*/;
- }
- 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 0; // empty mesh
- double elemSize;
- if ( complexType == int( SMDSAbs_Node ))
- {
- SMDS_NodeIteratorPtr nodeIt = _mesh->nodesIterator();
- elemSize = 1;
- if ( meshInfo.NbNodes() > 2 )
- elemSize = SMESH_TNodeXYZ( nodeIt->next() ).Distance( nodeIt->next() );
- }
- else
- {
- SMDS_ElemIteratorPtr elemIt =
- _mesh->elementsIterator( SMDSAbs_ElementType( complexType ));
- const SMDS_MeshElement* elem = elemIt->next();
- SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
- SMESH_TNodeXYZ n1( cast2Node( nodeIt->next() ));
- elemSize = 0;
- while ( nodeIt->more() )
- {
- double dist = n1.Distance( cast2Node( nodeIt->next() ));
- elemSize = max( dist, elemSize );
- }
- }
- _tolerance = 1e-4 * elemSize;
- }
- }
- return _tolerance;
-}
-
-//================================================================================
-/*!
- * \brief Find intersection of the line and an edge of face and return parameter on line
- */
-//================================================================================
-
-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)
- {
- 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
- */
-//================================================================================
-
-void SMESH_ElementSearcherImpl::findOuterBoundary(const SMDS_MeshElement* outerFace)
-{
- if ( _outerFacesFound ) return;
-
- // 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.
-
- // 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 ))
- {
- // 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;
- }
- }
- // store the found outer face and add its links to continue seaching from
- if ( outerFace2 )
- {
- _outerFaces.insert( outerFace );
- int nbNodes = outerFace2->NbNodes()/( outerFace2->IsQuadratic() ? 2 : 1 );
- for ( int i = 0; i < nbNodes; ++i )
- {
- 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 ));
- }
- }
- startLinks.pop_front();
- }
- _outerFacesFound = true;
-
- 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.
-
- }
- else
- {
- _outerFaces.clear();
- }
-}
-
-//=======================================================================
-/*!
- * \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
- */
-//=======================================================================
-
-int SMESH_ElementSearcherImpl::
-FindElementsByPoint(const gp_Pnt& point,
- SMDSAbs_ElementType type,
- vector< const SMDS_MeshElement* >& foundElements)
-{
- foundElements.clear();
-
- double tolerance = getTolerance();
-
- // =================================================================================
- if ( type == SMDSAbs_Node || type == SMDSAbs_0DElement || type == SMDSAbs_Ball)
- {
- if ( !_nodeSearcher )
- _nodeSearcher = new SMESH_NodeSearcherImpl( _mesh );
-
- const SMDS_MeshNode* closeNode = _nodeSearcher->FindClosestTo( point );
- if ( !closeNode ) return foundElements.size();
-
- if ( point.Distance( SMESH_TNodeXYZ( closeNode )) > tolerance )
- return foundElements.size(); // to far from any node
-
- 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
- {
- if ( !_ebbTree || _elementType != type )
- {
- if ( _ebbTree ) delete _ebbTree;
- _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = type, _meshPartIt, tolerance );
- }
- 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();
-}
-
-//=======================================================================
-/*!
- * \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;
-
- if ( type == SMDSAbs_Face )
- {
- if ( !_ebbTree || _elementType != type )
- {
- if ( _ebbTree ) delete _ebbTree;
- _ebbTree = new ElementBndBoxTree( *_mesh, _elementType = type, _meshPartIt );
- }
- TIDSortedElemSet suspectElems;
- _ebbTree->getElementsNearPoint( point, suspectElems );
-
- if ( suspectElems.empty() && _ebbTree->maxSize() > 0 )
- {
- 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() )
- {
- _ebbTree->getElementsInSphere( point.XYZ(), radius, suspectElems );
- radius *= 1.1;
- }
- }
- double minDist = std::numeric_limits<double>::max();
- multimap< double, const SMDS_MeshElement* > dist2face;
- TIDSortedElemSet::iterator elem = suspectElems.begin();
- for ( ; elem != suspectElems.end(); ++elem )
- {
- 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;
- }
- }
- else
- {
- // NOT IMPLEMENTED SO FAR
- }
- return closestElem;
-}
-
-
-//================================================================================
-/*!
- * \brief Classify the given point in the closed 2D mesh
- */
-//================================================================================
-
-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 );
-
- TIDSortedElemSet suspectFaces; // faces possibly intersecting the line
- _ebbTree->getElementsNearLine( lineAxis, suspectFaces );
-
- // 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 )));
- }
- }
- // Analyse intersections roughly
-
- int nbInter = u2inters.size();
- if ( nbInter == 0 )
- return TopAbs_OUT;
-
- double f = u2inters.begin()->first, l = u2inters.rbegin()->first;
- if ( nbInter == 1 ) // not closed mesh
- return fabs( f ) < tolerance ? TopAbs_ON : TopAbs_UNKNOWN;
-
- if ( fabs( f ) < tolerance || fabs( l ) < tolerance )
- return TopAbs_ON;
-
- 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());
-}
-
-//=======================================================================
-/*!
- * \brief Return SMESH_ElementSearcher
- */
-//=======================================================================
-
-SMESH_ElementSearcher* SMESH_MeshEditor::GetElementSearcher()
-{
- return new SMESH_ElementSearcherImpl( *GetMeshDS() );
-}
-
-//=======================================================================
-/*!
- * \brief Return SMESH_ElementSearcher acting on a sub-set of elements
- */
-//=======================================================================
-
-SMESH_ElementSearcher* SMESH_MeshEditor::GetElementSearcher(SMDS_ElemIteratorPtr elemIt)
-{
- return new SMESH_ElementSearcherImpl( *GetMeshDS(), elemIt );
-}
-
-//=======================================================================
-/*!
- * \brief Return true if the point is IN or ON of the element
- */
-//=======================================================================
-
-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 );
- }
-
- // get ordered nodes
-
- vector< gp_XYZ > xyz;
- vector<const SMDS_MeshNode*> nodeList;
-
- 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();
- }
- while ( nodeIt->more() )
- {
- const SMDS_MeshNode* node = cast2Node( nodeIt->next() );
- xyz.push_back( SMESH_TNodeXYZ(node) );
- nodeList.push_back(node);
- }
-
- int i, nbNodes = element->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;
-
- // 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
-
- // 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 )
- {
- iClosest = i;
- rClosest = r;
- pClosest = pInt;
- distClosest = intDist;
- }
- }
- }
- if ( iClosest < 0 )
- return true; // no intesections - out
-
- // 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;
-
- // 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;
-
- 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;
-}
-
-//=======================================================================
-
-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
+ // add resultElems to groups originted from ones the sourceElem belongs to
+ list< TOldNewGroup >::iterator gOldNew, gLast = groupsOldNew.end();
+ for ( gOldNew = groupsOldNew.begin(); gOldNew != gLast; ++gOldNew )
+ {
+ SMESHDS_GroupBase* oldGroup = gOldNew->get<0>();
+ if ( oldGroup->Contains( sourceElem )) // sourceElem is in oldGroup
+ {
+ // fill in a new group
+ SMDS_MeshGroup & newGroup = gOldNew->get<1>()->SMDSGroup();
+ vector< const SMDS_MeshElement* >::iterator resLast = resultElems.end(), resElemIt;
+ for ( resElemIt = resultElems.begin(); resElemIt != resLast; ++resElemIt )
+ if ( *resElemIt )
+ newGroup.Add( *resElemIt );
- 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;
- }
- };
+ // fill a "top" group
+ if ( topElem )
+ {
+ SMDS_MeshGroup & newTopGroup = gOldNew->get<2>()->SMDSGroup();
+ newTopGroup.Add( topElem );
+ }
+ }
+ }
+ } // loop on created elements
+ }// loop on nodes and elements
- //================================================================================
- /*!
- * \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
- */
- //================================================================================
+ // Create new SMESH_Groups from SMESHDS_Groups and remove empty SMESHDS_Groups
- PointPos getPointPosition( const gp_XY& point2D,
- const gp_XY* segEnds,
- const int index0 = 0,
- const int posToFindOut = POS_ALL)
+ list<int> topGrouIds;
+ for ( size_t i = 0; i < orderedOldNewGroups.size(); ++i )
{
- const gp_XY& p1 = segEnds[ index0 ];
- const gp_XY& p2 = segEnds[ index0+1 ];
- const gp_XY grad = p2 - p1;
-
- if ( posToFindOut & POS_VERTEX )
+ SMESHDS_GroupBase* oldGroupDS = orderedOldNewGroups[i]->get<0>();
+ SMESHDS_Group* newGroups[2] = { orderedOldNewGroups[i]->get<1>(),
+ orderedOldNewGroups[i]->get<2>() };
+ for ( int is2nd = 0; is2nd < 2; ++is2nd )
{
- // 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 );
+ 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 = ( topPresent &&
+ newGroupDS->GetType() == oldGroupDS->GetType() &&
+ is2nd );
+
+ string name = oldGroupDS->GetStoreName();
+ { // remove trailing whitespaces (issue 22599)
+ size_t size = name.size();
+ while ( size > 1 && isspace( name[ size-1 ]))
+ --size;
+ if ( size != name.size() )
+ {
+ name.resize( size );
+ oldGroupDS->SetStoreName( name.c_str() );
+ }
+ }
+ 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() );
- // 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);
+ // make a SMESH_Groups
+ mesh->AddGroup( newGroupDS );
+ if ( isTop )
+ topGrouIds.push_back( newGroupDS->GetID() );
+ else
+ newGroupIDs->push_back( newGroupDS->GetID() );
+ }
}
- double edgeEquation =
- ( point2D.X() - p1.X() ) * grad.Y() - ( point2D.Y() - p1.Y() ) * grad.X();
- return PointPos( edgeEquation < 0 ? POS_LEFT : POS_RIGHT, index0 );
}
+ newGroupIDs->splice( newGroupIDs->end(), topGrouIds );
+
+ return newGroupIDs;
}
-//=======================================================================
+//================================================================================
/*!
- * \brief Return minimal distance from a point to a face
- *
- * Currently we ignore non-planarity and 2nd order of face
+ * * \brief Return list of group of nodes close to each other within theTolerance
+ * * Search among theNodes or in the whole mesh if theNodes is empty using
+ * * an Octree algorithm
+ * \param [in,out] theNodes - the nodes to treat
+ * \param [in] theTolerance - the tolerance
+ * \param [out] theGroupsOfNodes - the result groups of coincident nodes
+ * \param [in] theSeparateCornersAndMedium - if \c true, in quadratic mesh puts
+ * corner and medium nodes in separate groups
*/
-//=======================================================================
+//================================================================================
-double SMESH_MeshEditor::GetDistance( const SMDS_MeshFace* face,
- const gp_Pnt& point )
+void SMESH_MeshEditor::FindCoincidentNodes (TIDSortedNodeSet & theNodes,
+ const double theTolerance,
+ TListOfListOfNodes & theGroupsOfNodes,
+ bool theSeparateCornersAndMedium)
{
- 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 );
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
- // 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();
+ if ( myMesh->NbEdges ( ORDER_QUADRATIC ) +
+ myMesh->NbFaces ( ORDER_QUADRATIC ) +
+ myMesh->NbVolumes( ORDER_QUADRATIC ) == 0 )
+ theSeparateCornersAndMedium = false;
- // // move the point in 2D
- gp_XYZ tmpPnt = point.XYZ();
- trsf.Transforms( tmpPnt );
- gp_XY point2D( tmpPnt.X(), tmpPnt.Z() );
+ TIDSortedNodeSet& corners = theNodes;
+ TIDSortedNodeSet medium;
- // 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 )
+ if ( theNodes.empty() ) // get all nodes in the mesh
{
- PointPos pos = getPointPosition( point2D, &xy[0], i-1 );
- pntPosSet.insert( pos );
+ TIDSortedNodeSet* nodes[2] = { &corners, &medium };
+ SMDS_NodeIteratorPtr nIt = GetMeshDS()->nodesIterator(/*idInceasingOrder=*/true);
+ if ( theSeparateCornersAndMedium )
+ while ( nIt->more() )
+ {
+ const SMDS_MeshNode* n = nIt->next();
+ TIDSortedNodeSet* & nodeSet = nodes[ SMESH_MesherHelper::IsMedium( n )];
+ nodeSet->insert( nodeSet->end(), n );
+ }
+ else
+ while ( nIt->more() )
+ theNodes.insert( theNodes.end(),nIt->next() );
}
-
- // compute distance
- PointPos pos = *pntPosSet.begin();
- // cout << "Face " << face->GetID() << " DIST: ";
- switch ( pos._name )
+ else if ( theSeparateCornersAndMedium ) // separate corners from medium nodes
{
- 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;
+ TIDSortedNodeSet::iterator nIt = corners.begin();
+ while ( nIt != corners.end() )
+ if ( SMESH_MesherHelper::IsMedium( *nIt ))
+ {
+ medium.insert( medium.end(), *nIt );
+ corners.erase( nIt++ );
+ }
+ else
+ {
+ ++nIt;
+ }
+ }
+
+ if ( !corners.empty() )
+ SMESH_OctreeNode::FindCoincidentNodes ( corners, &theGroupsOfNodes, theTolerance );
+ if ( !medium.empty() )
+ SMESH_OctreeNode::FindCoincidentNodes ( medium, &theGroupsOfNodes, theTolerance );
}
//=======================================================================
//function : SimplifyFace
-//purpose :
+//purpose : split a chain of nodes into several closed chains
//=======================================================================
-int SMESH_MeshEditor::SimplifyFace (const vector<const SMDS_MeshNode *> faceNodes,
- vector<const SMDS_MeshNode *>& poly_nodes,
- vector<int>& quantities) const
+
+int SMESH_MeshEditor::SimplifyFace (const vector<const SMDS_MeshNode *>& faceNodes,
+ vector<const SMDS_MeshNode *>& poly_nodes,
+ vector<int>& quantities) const
{
int nbNodes = faceNodes.size();
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;
+ int iSimple = 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++;
+ nodeSet.insert( faceNodes[iCur] );
}
}
+ int nbUnique = nodeSet.size();
int nbSimple = iSimple;
if (simpleNodes[nbSimple - 1] == simpleNodes[0]) {
nbSimple--;
// Fill nodeNodeMap and elems
TListOfListOfNodes::iterator grIt = theGroupsOfNodes.begin();
- for ( ; grIt != theGroupsOfNodes.end(); grIt++ ) {
+ 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++ ) {
+ 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());
+ nodeNodeMap.insert( make_pair( nToRemove, nToKeep ));
+ if ( nToRemove != nToKeep )
+ {
rmNodeIds.push_back( nToRemove->GetID() );
AddToSameGroups( nToKeep, nToRemove, aMesh );
+ // set _alwaysComputed to a sub-mesh of VERTEX to enable mesh computing
+ // after MergeNodes() w/o creating node in place of merged ones.
+ const SMDS_PositionPtr& pos = nToRemove->GetPosition();
+ if ( pos && pos->GetTypeOfPosition() == SMDS_TOP_VERTEX )
+ if ( SMESH_subMesh* sm = myMesh->GetSubMeshContaining( nToRemove->getshapeId() ))
+ sm->SetIsAlwaysComputed( true );
}
-
SMDS_ElemIteratorPtr invElemIt = nToRemove->GetInverseElementIterator();
while ( invElemIt->more() ) {
const SMDS_MeshElement* elem = invElemIt->next();
}
// Change element nodes or remove an element
+ set<const SMDS_MeshNode*> nodeSet;
+ vector< const SMDS_MeshNode*> curNodes, uniqueNodes;
+ vector<int> iRepl;
+ ElemFeatures elemType;
+
set<const SMDS_MeshElement*>::iterator eIt = elems.begin();
- for ( ; eIt != elems.end(); eIt++ ) {
+ 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 );
+ const int nbNodes = elem->NbNodes();
+ const int aShapeId = FindShape( elem );
- set<const SMDS_MeshNode*> nodeSet;
- vector< const SMDS_MeshNode*> curNodes( nbNodes ), uniqueNodes( nbNodes );
+ nodeSet.clear();
+ curNodes.resize( nbNodes );
+ uniqueNodes.resize( nbNodes );
+ iRepl.resize( 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() );
+ 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
- {
+ { ////////// BUG 0020185: begin
bool stopRecur = false;
set<const SMDS_MeshNode*> nodesRecur;
nodesRecur.insert(n);
else
stopRecur = true;
}
- }
- // BUG 0020185: end
+ } ////////// BUG 0020185: end
}
curNodes[ iCur ] = n;
bool isUnique = nodeSet.insert( n ).second;
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];
- }
+ if ( nbNodes != nbUniqueNodes ) // some nodes stick
+ {
+ if (elem->IsPoly()) // Polygons and Polyhedral volumes
+ {
+ if (elem->GetType() == SMDSAbs_Face) // Polygon
+ {
+ elemType.Init( elem );
+ const bool isQuad = elemType.myIsQuad;
+ if ( isQuad )
+ SMDS_MeshCell::applyInterlace // interlace medium and corner nodes
+ ( SMDS_MeshCell::interlacedSmdsOrder( SMDSEntity_Quad_Polygon, nbNodes ), curNodes );
+ // a polygon can divide into several elements
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];
+ int nbNew = SimplifyFace( curNodes, polygons_nodes, quantities );
+ if (nbNew > 0)
+ {
+ vector<const SMDS_MeshNode *> face_nodes;
+ int inode = 0;
+ for (int iface = 0; iface < nbNew; iface++)
+ {
+ int nbNewNodes = quantities[iface];
+ face_nodes.assign( polygons_nodes.begin() + inode,
+ polygons_nodes.begin() + inode + nbNewNodes );
+ inode += nbNewNodes;
+ if ( isQuad ) // check if a result elem is a valid quadratic polygon
+ {
+ bool isValid = ( nbNewNodes % 2 == 0 );
+ for ( int i = 0; i < nbNewNodes && isValid; ++i )
+ isValid = ( elem->IsMediumNode( face_nodes[i]) == bool( i % 2 ));
+ elemType.SetQuad( isValid );
+ if ( isValid ) // put medium nodes after corners
+ SMDS_MeshCell::applyInterlaceRev
+ ( SMDS_MeshCell::interlacedSmdsOrder( SMDSEntity_Quad_Polygon,
+ nbNewNodes ), face_nodes );
}
- SMDS_MeshElement* newElem = aMesh->AddPolygonalFace(poly_nodes);
- myLastCreatedElems.Append(newElem);
- if (aShapeId)
+ elemType.SetPoly(( nbNewNodes / ( elemType.myIsQuad + 1 ) > 4 ));
+
+ SMDS_MeshElement* newElem = AddElement( face_nodes, elemType );
+ 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());
}
+ rmElemIds.push_back(elem->GetID());
- }
- else if (elem->GetType() == SMDSAbs_Volume) {
- // Polyhedral volume
+ } // Polygon
+
+ 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) {
+ const SMDS_VtkVolume* aPolyedre = dynamic_cast<const SMDS_VtkVolume*>( elem );
+ if (aPolyedre)
+ {
int nbFaces = aPolyedre->NbFaces();
vector<const SMDS_MeshNode *> poly_nodes;
}
if (quantities.size() > 3)
- {
- 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());
- }
+ {
+ const SMDS_MeshElement* 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());
} // if ( nbNodes != nbUniqueNodes ) // some nodes stick
- if ( isOk ) { // the elem remains valid after sticking nodes
- if (elem->IsPoly() && elem->GetType() == SMDSAbs_Volume)
- {
- // Change nodes of polyedre
- 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 (nbFaces);
-
- for (int iface = 1; iface <= nbFaces; iface++) {
- int inode, nbFaceNodes = aPolyedre->NbFaceNodes(iface);
- quantities[iface - 1] = nbFaceNodes;
-
- for (inode = 1; inode <= nbFaceNodes; inode++) {
- const SMDS_MeshNode* curNode = aPolyedre->GetFaceNode(iface, inode);
-
- TNodeNodeMap::iterator nnIt = nodeNodeMap.find( curNode );
- if (nnIt != nodeNodeMap.end()) { // curNode sticks
- curNode = (*nnIt).second;
- }
- poly_nodes.push_back(curNode);
- }
- }
- aMesh->ChangePolyhedronNodes( elem, poly_nodes, quantities );
- }
- }
- else // replace non-polyhedron elements
+ if ( isOk ) // the non-poly elem remains valid after sticking nodes
+ {
+ if ( nbNodes != nbUniqueNodes ||
+ !aMesh->ChangeElementNodes( elem, & curNodes[0], nbNodes ))
{
- const SMDSAbs_ElementType etyp = elem->GetType();
- const int elemId = elem->GetID();
- const bool isPoly = (elem->GetEntityType() == SMDSEntity_Polygon);
- uniqueNodes.resize(nbUniqueNodes);
+ elemType.Init( elem ).SetID( elem->GetID() );
SMESHDS_SubMesh * sm = aShapeId > 0 ? aMesh->MeshElements(aShapeId) : 0;
-
aMesh->RemoveFreeElement(elem, sm, /*fromGroups=*/false);
- SMDS_MeshElement* newElem = this->AddElement(uniqueNodes, etyp, isPoly, elemId);
+
+ uniqueNodes.resize(nbUniqueNodes);
+ SMDS_MeshElement* newElem = this->AddElement( uniqueNodes, elemType );
if ( sm && newElem )
sm->AddElement( newElem );
if ( elem != newElem )
Remove( rmElemIds, false );
Remove( rmNodeIds, true );
+ return;
}
const SMDS_MeshElement* Get() const
{ return myElem; }
- void Set(const SMDS_MeshElement* e) const
- { myElem = e; }
-
-
private:
mutable const SMDS_MeshElement* myElem;
};
{ // get all elements in the mesh
SMDS_ElemIteratorPtr eIt = GetMeshDS()->elementsIterator();
while ( eIt->more() )
- theElements.insert( theElements.end(), eIt->next());
+ theElements.insert( theElements.end(), eIt->next() );
}
vector< TGroupOfElems > arrayOfGroups;
TMapOfNodeSet mapOfNodeSet;
TIDSortedElemSet::iterator elemIt = theElements.begin();
- for ( int i = 0, j=0; elemIt != theElements.end(); ++elemIt, ++j ) {
+ for ( int i = 0; elemIt != theElements.end(); ++elemIt )
+ {
const SMDS_MeshElement* curElem = *elemIt;
SortableElement SE(curElem);
- int ind = -1;
// check uniqueness
pair< TMapOfNodeSet::iterator, bool> pp = mapOfNodeSet.insert(make_pair(SE, i));
- if( !(pp.second) ) {
+ if ( !pp.second ) { // one more coincident elem
TMapOfNodeSet::iterator& itSE = pp.first;
- ind = (*itSE).second;
- arrayOfGroups[ind].push_back(curElem->GetID());
+ int ind = (*itSE).second;
+ arrayOfGroups[ind].push_back( curElem->GetID() );
}
else {
- groupOfElems.clear();
- groupOfElems.push_back(curElem->GetID());
- arrayOfGroups.push_back(groupOfElems);
+ arrayOfGroups.push_back( groupOfElems );
+ arrayOfGroups.back().push_back( curElem->GetID() );
i++;
}
}
+ groupOfElems.clear();
vector< TGroupOfElems >::iterator groupIt = arrayOfGroups.begin();
- for ( ; groupIt != arrayOfGroups.end(); ++groupIt ) {
- groupOfElems = *groupIt;
- if ( groupOfElems.size() > 1 ) {
- groupOfElems.sort();
- theGroupsOfElementsID.push_back(groupOfElems);
+ for ( ; groupIt != arrayOfGroups.end(); ++groupIt )
+ {
+ if ( groupIt->size() > 1 ) {
+ //groupOfElems.sort(); -- theElements is sorted already
+ theGroupsOfElementsID.push_back( groupOfElems );
+ theGroupsOfElementsID.back().splice( theGroupsOfElementsID.back().end(), *groupIt );
}
}
}
MergeElements(aGroupsOfElementsID);
}
-//=======================================================================
-//function : FindFaceInSet
-//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,
- int* n1ind,
- int* n2ind)
-
-{
- int i1, i2;
- const SMDS_MeshElement* face = 0;
-
- SMDS_ElemIteratorPtr invElemIt = n1->GetInverseElementIterator(SMDSAbs_Face);
- //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.count( elem ))
- continue;
- if ( !elemSet.empty() && !elemSet.count( elem ))
- continue;
- // index of n1
- i1 = elem->GetNodeIndex( n1 );
- // find a n2 linked to n1
- 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;
- }
- }
- }
- if ( n1ind ) *n1ind = i1;
- if ( n2ind ) *n2ind = i2;
- return face;
-}
-
//=======================================================================
//function : findAdjacentFace
//purpose :
TIDSortedElemSet elemSet, avoidSet;
if ( elem )
avoidSet.insert ( elem );
- return SMESH_MeshEditor::FindFaceInSet( n1, n2, elemSet, avoidSet );
+ return SMESH_MeshAlgos::FindFaceInSet( n1, n2, elemSet, avoidSet );
+}
+
+//=======================================================================
+//function : findSegment
+//purpose : Return a mesh segment by two nodes one of which can be medium
+//=======================================================================
+
+static const SMDS_MeshElement* findSegment(const SMDS_MeshNode* n1,
+ const SMDS_MeshNode* n2)
+{
+ SMDS_ElemIteratorPtr it = n1->GetInverseElementIterator( SMDSAbs_Edge );
+ while ( it->more() )
+ {
+ const SMDS_MeshElement* seg = it->next();
+ if ( seg->GetNodeIndex( n2 ) >= 0 )
+ return seg;
+ }
+ return 0;
}
//=======================================================================
theNodes.push_back( theFirstNode );
theNodes.push_back( theSecondNode );
- //vector<const SMDS_MeshNode*> nodes;
const SMDS_MeshNode *nIgnore = theFirstNode, *nStart = theSecondNode;
TIDSortedElemSet foundElems;
bool needTheLast = ( theLastNode != 0 );
// find all free border faces sharing form nStart
list< const SMDS_MeshElement* > curElemList;
- list< const SMDS_MeshNode* > nStartList;
+ list< const SMDS_MeshNode* > nStartList;
SMDS_ElemIteratorPtr invElemIt = nStart->GetInverseElementIterator(SMDSAbs_Face);
while ( invElemIt->more() ) {
const SMDS_MeshElement* e = invElemIt->next();
if ( e == curElem || foundElems.insert( e ).second ) {
// get nodes
int iNode = 0, nbNodes = e->NbNodes();
- //const SMDS_MeshNode* nodes[nbNodes+1];
vector<const SMDS_MeshNode*> nodes(nbNodes+1);
- if(e->IsQuadratic()) {
+ if ( e->IsQuadratic() ) {
const SMDS_VtkFace* F =
dynamic_cast<const SMDS_VtkFace*>(e);
if (!F) throw SALOME_Exception(LOCALIZED("not an SMDS_VtkFace"));
cNL = & contNodes[ contNodes[0].empty() ? 0 : 1 ];
cFL = & contFaces[ contFaces[0].empty() ? 0 : 1 ];
// find one more free border
- if ( ! FindFreeBorder( nStart, *nStartIt, theLastNode, *cNL, *cFL )) {
+ if ( ! SMESH_MeshEditor::FindFreeBorder( nStart, *nStartIt, theLastNode, *cNL, *cFL )) {
cNL->clear();
cFL->clear();
}
//=======================================================================
//function : SewFreeBorder
//purpose :
+//warning : for border-to-side sewing theSideSecondNode is considered as
+// the last side node and theSideThirdNode is not used
//=======================================================================
SMESH_MeshEditor::Sew_Error
// find side nodes and elements
// ====================================
- list< const SMDS_MeshNode* > nSide[ 2 ];
+ list< const SMDS_MeshNode* > nSide[ 2 ];
list< const SMDS_MeshElement* > eSide[ 2 ];
- list< const SMDS_MeshNode* >::iterator nIt[ 2 ];
+ list< const SMDS_MeshNode* >::iterator nIt[ 2 ];
list< const SMDS_MeshElement* >::iterator eIt[ 2 ];
// Free border 1
// sew the border to the side 2
// ============================
- int nbNodes[] = { nSide[0].size(), nSide[1].size() };
+ int nbNodes[] = { (int)nSide[0].size(), (int)nSide[1].size() };
int maxNbNodes = Max( nbNodes[0], nbNodes[1] );
+ bool toMergeConformal = ( nbNodes[0] == nbNodes[1] );
+ if ( toMergeConformal && toCreatePolygons )
+ {
+ // do not merge quadrangles if polygons are OK (IPAL0052824)
+ eIt[0] = eSide[0].begin();
+ eIt[1] = eSide[1].begin();
+ bool allQuads[2] = { true, true };
+ for ( int iBord = 0; iBord < 2; iBord++ ) { // loop on 2 borders
+ for ( ; allQuads[iBord] && eIt[iBord] != eSide[iBord].end(); ++eIt[iBord] )
+ allQuads[iBord] = ( (*eIt[iBord])->NbCornerNodes() == 4 );
+ }
+ toMergeConformal = ( !allQuads[0] && !allQuads[1] );
+ }
+
TListOfListOfNodes nodeGroupsToMerge;
- if ( nbNodes[0] == nbNodes[1] ||
- ( theSideIsFreeBorder && !theSideThirdNode)) {
+ if (( toMergeConformal ) ||
+ ( theSideIsFreeBorder && !theSideThirdNode )) {
// all nodes are to be merged
// insert new nodes into the border and the side to get equal nb of segments
// get normalized parameters of nodes on the borders
- //double param[ 2 ][ maxNbNodes ];
- double* param[ 2 ];
- param[0] = new double [ maxNbNodes ];
- param[1] = new double [ maxNbNodes ];
+ vector< double > param[ 2 ];
+ param[0].resize( maxNbNodes );
+ param[1].resize( maxNbNodes );
int iNode, iBord;
for ( iBord = 0; iBord < 2; iBord++ ) { // loop on 2 borders
list< const SMDS_MeshNode* >& nodes = nSide[ iBord ];
if ( i[ iBord ] > 0 )
prevParam = Max( prevParam, param[iBord][ i[iBord] - 1 ]);
}
- double minParam = Min( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
- double maxParam = Max( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
+ double minParam = Min( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
+ double maxParam = Max( param[ 0 ][ i[0] ], param[ 1 ][ i[1] ]);
double minSegLen = Min( nextParam - minParam, maxParam - prevParam );
// choose to insert or to merge nodes
// insert
// ------
int intoBord = ( du < 0 ) ? 0 : 1;
- const SMDS_MeshElement* elem = *eIt[ intoBord ];
+ const SMDS_MeshElement* elem = *eIt [ intoBord ];
const SMDS_MeshNode* n1 = nPrev[ intoBord ];
- const SMDS_MeshNode* n2 = *nIt[ intoBord ];
- const SMDS_MeshNode* nIns = *nIt[ 1 - intoBord ];
+ const SMDS_MeshNode* n2 = *nIt [ intoBord ];
+ const SMDS_MeshNode* nIns = *nIt [ 1 - intoBord ];
if ( intoBord == 1 ) {
// move node of the border to be on a link of elem of the side
gp_XYZ p1 (n1->X(), n1->Y(), n1->Z());
GetMeshDS()->MoveNode( nIns, p.X(), p.Y(), p.Z() );
}
insertMapIt = insertMap.find( elem );
- bool notFound = ( insertMapIt == insertMap.end() );
+ bool notFound = ( insertMapIt == insertMap.end() );
bool otherLink = ( !notFound && (*insertMapIt).second.front() != n1 );
if ( otherLink ) {
// insert into another link of the same element:
const SMDS_MeshNode* n22 = nodeList.front(); nodeList.pop_front();
InsertNodesIntoLink( elem, n12, n22, nodeList, toCreatePolygons );
// 2. perform insertion into the link of adjacent faces
- while (true) {
- const SMDS_MeshElement* adjElem = findAdjacentFace( n12, n22, elem );
- if ( adjElem )
- InsertNodesIntoLink( adjElem, n12, n22, nodeList, toCreatePolygons );
- else
- break;
+ while ( const SMDS_MeshElement* adjElem = findAdjacentFace( n12, n22, elem )) {
+ InsertNodesIntoLink( adjElem, n12, n22, nodeList, toCreatePolygons );
+ }
+ while ( const SMDS_MeshElement* seg = findSegment( n12, n22 )) {
+ InsertNodesIntoLink( seg, n12, n22, nodeList );
}
if (toCreatePolyedrs) {
// perform insertion into the links of adjacent volumes
}
if ( notFound || otherLink ) {
// add element and nodes of the side into the insertMap
- insertMapIt = insertMap.insert
- ( TElemOfNodeListMap::value_type( elem, list<const SMDS_MeshNode*>() )).first;
+ insertMapIt = insertMap.insert( make_pair( elem, list<const SMDS_MeshNode*>() )).first;
(*insertMapIt).second.push_back( n1 );
(*insertMapIt).second.push_back( n2 );
}
InsertNodesIntoLink( elem, n1, n2, nodeList, toCreatePolygons );
+ while ( const SMDS_MeshElement* seg = findSegment( n1, n2 )) {
+ InsertNodesIntoLink( seg, n1, n2, nodeList );
+ }
+
if ( !theSideIsFreeBorder ) {
// look for and insert nodes into the faces adjacent to elem
- while (true) {
- const SMDS_MeshElement* adjElem = findAdjacentFace( n1, n2, elem );
- if ( adjElem )
- InsertNodesIntoLink( adjElem, n1, n2, nodeList, toCreatePolygons );
- else
- break;
+ while ( const SMDS_MeshElement* adjElem = findAdjacentFace( n1, n2, elem )) {
+ InsertNodesIntoLink( adjElem, n1, n2, nodeList, toCreatePolygons );
}
}
if (toCreatePolyedrs) {
UpdateVolumes(n1, n2, nodeList);
}
}
-
- delete param[0];
- delete param[1];
} // end: insert new nodes
MergeNodes ( nodeGroupsToMerge );
+
+ // Remove coincident segments
+
+ // get new segments
+ TIDSortedElemSet segments;
+ SMESH_SequenceOfElemPtr newFaces;
+ for ( int i = 1; i <= myLastCreatedElems.Length(); ++i )
+ {
+ if ( !myLastCreatedElems(i) ) continue;
+ if ( myLastCreatedElems(i)->GetType() == SMDSAbs_Edge )
+ segments.insert( segments.end(), myLastCreatedElems(i) );
+ else
+ newFaces.Append( myLastCreatedElems(i) );
+ }
+ // get segments adjacent to merged nodes
+ TListOfListOfNodes::iterator groupIt = nodeGroupsToMerge.begin();
+ for ( ; groupIt != nodeGroupsToMerge.end(); groupIt++ )
+ {
+ const list<const SMDS_MeshNode*>& nodes = *groupIt;
+ SMDS_ElemIteratorPtr segIt = nodes.front()->GetInverseElementIterator( SMDSAbs_Edge );
+ while ( segIt->more() )
+ segments.insert( segIt->next() );
+ }
+
+ // find coincident
+ TListOfListOfElementsID equalGroups;
+ if ( !segments.empty() )
+ FindEqualElements( segments, equalGroups );
+ if ( !equalGroups.empty() )
+ {
+ // remove from segments those that will be removed
+ TListOfListOfElementsID::iterator itGroups = equalGroups.begin();
+ for ( ; itGroups != equalGroups.end(); ++itGroups )
+ {
+ list< int >& group = *itGroups;
+ list< int >::iterator id = group.begin();
+ for ( ++id; id != group.end(); ++id )
+ if ( const SMDS_MeshElement* seg = GetMeshDS()->FindElement( *id ))
+ segments.erase( seg );
+ }
+ // remove equal segments
+ MergeElements( equalGroups );
+
+ // restore myLastCreatedElems
+ myLastCreatedElems = newFaces;
+ TIDSortedElemSet::iterator seg = segments.begin();
+ for ( ; seg != segments.end(); ++seg )
+ myLastCreatedElems.Append( *seg );
+ }
+
return aResult;
}
//=======================================================================
//function : InsertNodesIntoLink
-//purpose : insert theNodesToInsert into theFace between theBetweenNode1
+//purpose : insert theNodesToInsert into theElement between theBetweenNode1
// and theBetweenNode2 and split theElement
//=======================================================================
-void SMESH_MeshEditor::InsertNodesIntoLink(const SMDS_MeshElement* theFace,
+void SMESH_MeshEditor::InsertNodesIntoLink(const SMDS_MeshElement* theElement,
const SMDS_MeshNode* theBetweenNode1,
const SMDS_MeshNode* theBetweenNode2,
list<const SMDS_MeshNode*>& theNodesToInsert,
const bool toCreatePoly)
{
+ if ( !theElement ) return;
+
+ SMESHDS_Mesh *aMesh = GetMeshDS();
+ vector<const SMDS_MeshElement*> newElems;
+
+ if ( theElement->GetType() == SMDSAbs_Edge )
+ {
+ theNodesToInsert.push_front( theBetweenNode1 );
+ theNodesToInsert.push_back ( theBetweenNode2 );
+ list<const SMDS_MeshNode*>::iterator n = theNodesToInsert.begin();
+ const SMDS_MeshNode* n1 = *n;
+ for ( ++n; n != theNodesToInsert.end(); ++n )
+ {
+ const SMDS_MeshNode* n2 = *n;
+ if ( const SMDS_MeshElement* seg = aMesh->FindEdge( n1, n2 ))
+ AddToSameGroups( seg, theElement, aMesh );
+ else
+ newElems.push_back( aMesh->AddEdge ( n1, n2 ));
+ n1 = n2;
+ }
+ theNodesToInsert.pop_front();
+ theNodesToInsert.pop_back();
+
+ if ( theElement->IsQuadratic() ) // add a not split part
+ {
+ vector<const SMDS_MeshNode*> nodes( theElement->begin_nodes(),
+ theElement->end_nodes() );
+ int iOther = 0, nbN = nodes.size();
+ for ( ; iOther < nbN; ++iOther )
+ if ( nodes[iOther] != theBetweenNode1 &&
+ nodes[iOther] != theBetweenNode2 )
+ break;
+ if ( iOther == 0 )
+ {
+ if ( const SMDS_MeshElement* seg = aMesh->FindEdge( nodes[0], nodes[1] ))
+ AddToSameGroups( seg, theElement, aMesh );
+ else
+ newElems.push_back( aMesh->AddEdge ( nodes[0], nodes[1] ));
+ }
+ else if ( iOther == 2 )
+ {
+ if ( const SMDS_MeshElement* seg = aMesh->FindEdge( nodes[1], nodes[2] ))
+ AddToSameGroups( seg, theElement, aMesh );
+ else
+ newElems.push_back( aMesh->AddEdge ( nodes[1], nodes[2] ));
+ }
+ }
+ // treat new elements
+ for ( size_t i = 0; i < newElems.size(); ++i )
+ if ( newElems[i] )
+ {
+ aMesh->SetMeshElementOnShape( newElems[i], theElement->getshapeId() );
+ myLastCreatedElems.Append( newElems[i] );
+ }
+ ReplaceElemInGroups( theElement, newElems, aMesh );
+ aMesh->RemoveElement( theElement );
+ return;
+
+ } // if ( theElement->GetType() == SMDSAbs_Edge )
+
+ const SMDS_MeshElement* theFace = theElement;
if ( theFace->GetType() != SMDSAbs_Face ) return;
// find indices of 2 link nodes and of the rest nodes
int iNode = 0, il1, il2, i3, i4;
il1 = il2 = i3 = i4 = -1;
- //const SMDS_MeshNode* nodes[ theFace->NbNodes() ];
vector<const SMDS_MeshNode*> nodes( theFace->NbNodes() );
- if(theFace->IsQuadratic()) {
- 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_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
- while( anIter->more() ) {
- const SMDS_MeshNode* n = cast2Node(anIter->next());
- if ( n == theBetweenNode1 )
- il1 = iNode;
- else if ( n == theBetweenNode2 )
- il2 = iNode;
- else if ( i3 < 0 )
- i3 = iNode;
- else
- i4 = iNode;
- nodes[ iNode++ ] = n;
- }
- }
- else {
- SMDS_ElemIteratorPtr nodeIt = theFace->nodesIterator();
- while ( nodeIt->more() ) {
- const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
- if ( n == theBetweenNode1 )
- il1 = iNode;
- else if ( n == theBetweenNode2 )
- il2 = iNode;
- else if ( i3 < 0 )
- i3 = iNode;
- else
- i4 = iNode;
- nodes[ iNode++ ] = n;
- }
+ SMDS_NodeIteratorPtr nodeIt = theFace->interlacedNodesIterator();
+ while ( nodeIt->more() ) {
+ const SMDS_MeshNode* n = nodeIt->next();
+ if ( n == theBetweenNode1 )
+ il1 = iNode;
+ else if ( n == theBetweenNode2 )
+ il2 = iNode;
+ else if ( i3 < 0 )
+ i3 = iNode;
+ else
+ i4 = iNode;
+ nodes[ iNode++ ] = n;
}
if ( il1 < 0 || il2 < 0 || i3 < 0 )
return ;
// add nodes of face up to first node of link
bool isFLN = false;
- if(theFace->IsQuadratic()) {
- const SMDS_VtkFace* F =
- dynamic_cast<const SMDS_VtkFace*>(theFace);
+ if ( theFace->IsQuadratic() ) {
+ 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_ElemIteratorPtr anIter = F->interlacedNodesElemIterator();
}
}
- // edit or replace the face
- SMESHDS_Mesh *aMesh = GetMeshDS();
-
- if (theFace->IsPoly()) {
- aMesh->ChangePolygonNodes(theFace, poly_nodes);
- }
- else {
- int aShapeId = FindShape( theFace );
-
- SMDS_MeshElement* newElem = aMesh->AddPolygonalFace(poly_nodes);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
-
- aMesh->RemoveElement(theFace);
- }
- return;
+ // make a new face
+ newElems.push_back( aMesh->AddPolygonalFace( poly_nodes ));
}
- SMESHDS_Mesh *aMesh = GetMeshDS();
- if( !theFace->IsQuadratic() ) {
-
+ else if ( !theFace->IsQuadratic() )
+ {
// put aNodesToInsert between theBetweenNode1 and theBetweenNode2
int nbLinkNodes = 2 + aNodesToInsert.size();
//const SMDS_MeshNode* linkNodes[ nbLinkNodes ];
}
// create new elements
- int aShapeId = FindShape( theFace );
-
i1 = 0; i2 = 1;
for ( iSplit = 0; iSplit < nbSplits - 1; iSplit++ ) {
SMDS_MeshElement* newElem = 0;
if ( iSplit == iBestQuad )
- newElem = aMesh->AddFace (linkNodes[ i1++ ],
- linkNodes[ i2++ ],
- nodes[ i3 ],
- nodes[ i4 ]);
+ newElems.push_back( aMesh->AddFace (linkNodes[ i1++ ],
+ linkNodes[ i2++ ],
+ nodes[ i3 ],
+ nodes[ i4 ]));
else
- newElem = aMesh->AddFace (linkNodes[ i1++ ],
- linkNodes[ i2++ ],
- nodes[ iSplit < iBestQuad ? i4 : i3 ]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace (linkNodes[ i1++ ],
+ linkNodes[ i2++ ],
+ nodes[ iSplit < iBestQuad ? i4 : i3 ]));
}
- // change nodes of theFace
const SMDS_MeshNode* newNodes[ 4 ];
newNodes[ 0 ] = linkNodes[ i1 ];
newNodes[ 1 ] = linkNodes[ i2 ];
newNodes[ 2 ] = nodes[ iSplit >= iBestQuad ? i3 : i4 ];
newNodes[ 3 ] = nodes[ i4 ];
- //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] );
+ newElems.push_back( 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())
+ newElems.push_back( aMesh->AddFace( newNodes[0], newNodes[1], newNodes[2] ));
+
+ } // 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
- int aShapeId = FindShape( theFace );
-
int n1,n2,n3;
- if(nbFaceNodes==6) { // quadratic triangle
- SMDS_MeshElement* newElem =
- aMesh->AddFace(nodes[3],nodes[4],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- if(theFace->IsMediumNode(nodes[il1])) {
+ if ( nbFaceNodes == 6 ) { // quadratic triangle
+ newElems.push_back( aMesh->AddFace( nodes[3], nodes[4], nodes[5] ));
+ if ( theFace->IsMediumNode(nodes[il1]) ) {
// create quadrangle
- newElem = aMesh->AddFace(nodes[0],nodes[1],nodes[3],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[0], nodes[1], nodes[3], nodes[5] ));
n1 = 1;
n2 = 2;
n3 = 3;
}
else {
// create quadrangle
- newElem = aMesh->AddFace(nodes[1],nodes[2],nodes[3],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[1], nodes[2], nodes[3], nodes[5] ));
n1 = 0;
n2 = 1;
n3 = 5;
}
}
else { // nbFaceNodes==8 - quadratic quadrangle
- SMDS_MeshElement* newElem =
- aMesh->AddFace(nodes[3],nodes[4],nodes[5]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- newElem = aMesh->AddFace(nodes[5],nodes[6],nodes[7]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- newElem = aMesh->AddFace(nodes[5],nodes[7],nodes[3]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- if(theFace->IsMediumNode(nodes[il1])) {
+ newElems.push_back( aMesh->AddFace( nodes[3], nodes[4], nodes[5] ));
+ newElems.push_back( aMesh->AddFace( nodes[5], nodes[6], nodes[7] ));
+ newElems.push_back( aMesh->AddFace( nodes[5], nodes[7], nodes[3] ));
+ if ( theFace->IsMediumNode( nodes[ il1 ])) {
// create quadrangle
- newElem = aMesh->AddFace(nodes[0],nodes[1],nodes[3],nodes[7]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[0], nodes[1], nodes[3], nodes[7] ));
n1 = 1;
n2 = 2;
n3 = 3;
}
else {
// create quadrangle
- newElem = aMesh->AddFace(nodes[1],nodes[2],nodes[3],nodes[7]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
+ newElems.push_back( aMesh->AddFace( nodes[1], nodes[2], nodes[3], nodes[7] ));
n1 = 0;
n2 = 1;
n3 = 7;
}
// create needed triangles using n1,n2,n3 and inserted nodes
int nbn = 2 + aNodesToInsert.size();
- //const SMDS_MeshNode* aNodes[nbn];
vector<const SMDS_MeshNode*> aNodes(nbn);
- aNodes[0] = nodes[n1];
+ aNodes[0 ] = nodes[n1];
aNodes[nbn-1] = nodes[n2];
list<const SMDS_MeshNode*>::iterator nIt = aNodesToInsert.begin();
for ( iNode = 1; nIt != aNodesToInsert.end(); nIt++ ) {
aNodes[iNode++] = *nIt;
}
- for(i=1; i<nbn; i++) {
- SMDS_MeshElement* newElem =
- aMesh->AddFace(aNodes[i-1],aNodes[i],nodes[n3]);
- myLastCreatedElems.Append(newElem);
- if ( aShapeId && newElem )
- aMesh->SetMeshElementOnShape( newElem, aShapeId );
- }
+ for ( i = 1; i < nbn; i++ )
+ newElems.push_back( aMesh->AddFace( aNodes[i-1], aNodes[i], nodes[n3] ));
}
- // remove old face
+
+ // remove the old face
+ for ( size_t i = 0; i < newElems.size(); ++i )
+ if ( newElems[i] )
+ {
+ aMesh->SetMeshElementOnShape( newElems[i], theFace->getshapeId() );
+ myLastCreatedElems.Append( newElems[i] );
+ }
+ ReplaceElemInGroups( theFace, newElems, aMesh );
aMesh->RemoveElement(theFace);
-}
+
+} // InsertNodesIntoLink()
//=======================================================================
//function : UpdateVolumes
//purpose :
//=======================================================================
+
void SMESH_MeshEditor::UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
const SMDS_MeshNode* theBetweenNode2,
list<const SMDS_MeshNode*>& theNodesToInsert)
quantities[iface] = nbFaceNodes + nbInserted;
}
- // Replace or update the volume
+ // Replace the volume
SMESHDS_Mesh *aMesh = GetMeshDS();
- if (elem->IsPoly()) {
- aMesh->ChangePolyhedronNodes(elem, poly_nodes, quantities);
-
- }
- else {
- int aShapeId = FindShape( elem );
-
- SMDS_MeshElement* newElem =
- aMesh->AddPolyhedralVolume(poly_nodes, quantities);
- myLastCreatedElems.Append(newElem);
- if (aShapeId && newElem)
- aMesh->SetMeshElementOnShape(newElem, aShapeId);
-
- aMesh->RemoveElement(elem);
+ if ( SMDS_MeshElement* newElem = aMesh->AddPolyhedralVolume( poly_nodes, quantities ))
+ {
+ aMesh->SetMeshElementOnShape( newElem, elem->getshapeId() );
+ myLastCreatedElems.Append( newElem );
+ ReplaceElemInGroups( elem, newElem, aMesh );
}
+ aMesh->RemoveElement( elem );
}
}
//=======================================================================
/*!
- * \brief Convert elements contained in a submesh to quadratic
+ * \brief Convert elements contained in a sub-mesh to quadratic
* \return int - nb of checked elements
*/
//=======================================================================
{
nbElem++;
const SMDS_MeshElement* elem = ElemItr->next();
- if( !elem || elem->IsQuadratic() ) continue;
+ if( !elem ) continue;
+
+ // analyse a necessity of conversion
+ const SMDSAbs_ElementType aType = elem->GetType();
+ if ( aType < SMDSAbs_Edge || aType > SMDSAbs_Volume )
+ continue;
+ const SMDSAbs_EntityType aGeomType = elem->GetEntityType();
+ bool hasCentralNodes = false;
+ if ( elem->IsQuadratic() )
+ {
+ bool alreadyOK;
+ switch ( aGeomType ) {
+ case SMDSEntity_Quad_Triangle:
+ case SMDSEntity_Quad_Quadrangle:
+ case SMDSEntity_Quad_Hexa:
+ alreadyOK = !theHelper.GetIsBiQuadratic(); break;
+ case SMDSEntity_BiQuad_Triangle:
+ case SMDSEntity_BiQuad_Quadrangle:
+ case SMDSEntity_TriQuad_Hexa:
+ alreadyOK = theHelper.GetIsBiQuadratic();
+ hasCentralNodes = true;
+ break;
+ default:
+ alreadyOK = true;
+ }
+ // take into account already present modium nodes
+ switch ( aType ) {
+ case SMDSAbs_Volume:
+ theHelper.AddTLinks( static_cast< const SMDS_MeshVolume* >( elem )); break;
+ case SMDSAbs_Face:
+ theHelper.AddTLinks( static_cast< const SMDS_MeshFace* >( elem )); break;
+ case SMDSAbs_Edge:
+ theHelper.AddTLinks( static_cast< const SMDS_MeshEdge* >( elem )); break;
+ default:;
+ }
+ if ( alreadyOK )
+ continue;
+ }
// get elem data needed to re-create it
//
- const int id = elem->GetID();
- const int nbNodes = elem->NbNodes();
- const SMDSAbs_ElementType aType = elem->GetType();
- const SMDSAbs_EntityType aGeomType = elem->GetEntityType();
+ const int id = elem->GetID();
+ const int nbNodes = elem->NbCornerNodes();
nodes.assign(elem->begin_nodes(), elem->end_nodes());
if ( aGeomType == SMDSEntity_Polyhedra )
nbNodeInFaces = static_cast<const SMDS_VtkVolume* >( elem )->GetQuantities();
// remove a linear element
GetMeshDS()->RemoveFreeElement(elem, theSm, /*fromGroups=*/false);
+ // remove central nodes of biquadratic elements (biquad->quad convertion)
+ if ( hasCentralNodes )
+ for ( size_t i = nbNodes * 2; i < nodes.size(); ++i )
+ if ( nodes[i]->NbInverseElements() == 0 )
+ GetMeshDS()->RemoveFreeNode( nodes[i], theSm, /*fromGroups=*/true );
+
const SMDS_MeshElement* NewElem = 0;
switch( aType )
break;
default:
NewElem = theHelper.AddPolygonalFace(nodes, id, theForce3d);
- continue;
}
break;
}
NewElem = theHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], nodes[4], nodes[5], id, theForce3d);
break;
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;
continue;
}
ReplaceElemInGroups( elem, NewElem, GetMeshDS());
- if( NewElem )
+ if( NewElem && NewElem->getshapeId() < 1 )
theSm->AddElement( NewElem );
}
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 );
+ aHelper.SetIsBiQuadratic( theToBiQuad );
+ aHelper.SetElementsOnShape(true);
+ aHelper.ToFixNodeParameters( true );
+ // convert elements assigned to sub-meshes
int nbCheckedElems = 0;
if ( myMesh->HasShapeToMesh() )
{
}
}
}
+
+ // convert elements NOT assigned to sub-meshes
int totalNbElems = meshDS->NbEdges() + meshDS->NbFaces() + meshDS->NbVolumes();
- if ( nbCheckedElems < totalNbElems ) // not all elements are in submeshes
+ if ( nbCheckedElems < totalNbElems ) // not all elements are in sub-meshes
{
+ aHelper.SetElementsOnShape(false);
SMESHDS_SubMesh *smDS = 0;
+
+ // convert edges
SMDS_EdgeIteratorPtr aEdgeItr = meshDS->edgesIterator();
- while(aEdgeItr->more())
+ while( aEdgeItr->more() )
{
const SMDS_MeshEdge* edge = aEdgeItr->next();
- if(edge && !edge->IsQuadratic())
+ if ( !edge->IsQuadratic() )
{
- int id = edge->GetID();
- //MESSAGE("edge->GetID() " << id);
+ int id = edge->GetID();
const SMDS_MeshNode* n1 = edge->GetNode(0);
const SMDS_MeshNode* n2 = edge->GetNode(1);
const SMDS_MeshEdge* NewEdge = aHelper.AddEdge(n1, n2, id, theForce3d);
ReplaceElemInGroups( edge, NewEdge, GetMeshDS());
}
+ else
+ {
+ aHelper.AddTLinks( static_cast< const SMDS_MeshEdge* >( edge ));
+ }
}
+
+ // convert faces
SMDS_FaceIteratorPtr aFaceItr = meshDS->facesIterator();
- while(aFaceItr->more())
+ while( aFaceItr->more() )
{
const SMDS_MeshFace* face = aFaceItr->next();
- if(!face || face->IsQuadratic() ) continue;
+ if ( !face ) continue;
+
+ const SMDSAbs_EntityType type = face->GetEntityType();
+ bool alreadyOK;
+ switch( type )
+ {
+ case SMDSEntity_Quad_Triangle:
+ case SMDSEntity_Quad_Quadrangle:
+ alreadyOK = !theToBiQuad;
+ aHelper.AddTLinks( static_cast< const SMDS_MeshFace* >( face ));
+ break;
+ case SMDSEntity_BiQuad_Triangle:
+ case SMDSEntity_BiQuad_Quadrangle:
+ alreadyOK = theToBiQuad;
+ aHelper.AddTLinks( static_cast< const SMDS_MeshFace* >( face ));
+ break;
+ default: alreadyOK = false;
+ }
+ if ( alreadyOK )
+ continue;
const int id = face->GetID();
- const SMDSAbs_EntityType type = face->GetEntityType();
vector<const SMDS_MeshNode *> nodes ( face->begin_nodes(), face->end_nodes());
meshDS->RemoveFreeElement(face, smDS, /*fromGroups=*/false);
switch( type )
{
case SMDSEntity_Triangle:
+ case SMDSEntity_Quad_Triangle:
+ case SMDSEntity_BiQuad_Triangle:
NewFace = aHelper.AddFace(nodes[0], nodes[1], nodes[2], id, theForce3d);
+ if ( nodes.size() == 7 && nodes[6]->NbInverseElements() == 0 ) // rm a central node
+ GetMeshDS()->RemoveFreeNode( nodes[6], /*sm=*/0, /*fromGroups=*/true );
break;
+
case SMDSEntity_Quadrangle:
+ case SMDSEntity_Quad_Quadrangle:
+ case SMDSEntity_BiQuad_Quadrangle:
NewFace = aHelper.AddFace(nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d);
+ if ( nodes.size() == 9 && nodes[8]->NbInverseElements() == 0 ) // rm a central node
+ GetMeshDS()->RemoveFreeNode( nodes[8], /*sm=*/0, /*fromGroups=*/true );
break;
- default:
+
+ default:;
NewFace = aHelper.AddPolygonalFace(nodes, id, theForce3d);
}
ReplaceElemInGroups( face, NewFace, GetMeshDS());
}
+
+ // convert volumes
vector<int> nbNodeInFaces;
SMDS_VolumeIteratorPtr aVolumeItr = meshDS->volumesIterator();
while(aVolumeItr->more())
{
const SMDS_MeshVolume* volume = aVolumeItr->next();
- if(!volume || volume->IsQuadratic() ) continue;
+ if ( !volume ) continue;
- const int id = volume->GetID();
const SMDSAbs_EntityType type = volume->GetEntityType();
+ if ( volume->IsQuadratic() )
+ {
+ bool alreadyOK;
+ switch ( type )
+ {
+ case SMDSEntity_Quad_Hexa: alreadyOK = !theToBiQuad; break;
+ case SMDSEntity_TriQuad_Hexa: alreadyOK = theToBiQuad; break;
+ default: alreadyOK = true;
+ }
+ if ( alreadyOK )
+ {
+ aHelper.AddTLinks( static_cast< const SMDS_MeshVolume* >( volume ));
+ continue;
+ }
+ }
+ 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();
NewVolume = aHelper.AddVolume(nodes[0], nodes[1], nodes[2], nodes[3], id, theForce3d );
break;
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);
+ for ( size_t i = 20; i < nodes.size(); ++i ) // rm central nodes
+ if ( nodes[i]->NbInverseElements() == 0 )
+ GetMeshDS()->RemoveFreeNode( nodes[i], /*sm=*/0, /*fromGroups=*/true );
break;
case SMDSEntity_Pyramid:
NewVolume = aHelper.AddVolume(nodes[0], nodes[1], nodes[2],
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);
+ // aHelper.SetSubShape(0); // apply FixQuadraticElements() to the whole mesh
+ // aHelper.FixQuadraticElements(myError);
+ SMESH_MesherHelper( *myMesh ).FixQuadraticElements(myError);
}
}
//================================================================================
void SMESH_MeshEditor::ConvertToQuadratic(const bool theForce3d,
- TIDSortedElemSet& theElements)
+ TIDSortedElemSet& theElements,
+ const bool theToBiQuad)
{
if ( theElements.empty() ) return;
SMDS_ElemIteratorPtr invIt = n->GetInverseElementIterator();
while ( invIt->more() )
{
- const SMDS_MeshElement* e = invIt->next();
+ const SMDS_MeshElement* e = invIt->next();
+ const SMDSAbs_ElementType type = e->GetType();
if ( e->IsQuadratic() )
{
- quadAdjacentElems[ e->GetType() ].insert( e );
- continue;
- }
- if ( e->GetType() >= elemType )
- {
- continue; // same type of more complex linear element
+ quadAdjacentElems[ type ].insert( e );
+
+ bool alreadyOK;
+ switch ( e->GetEntityType() ) {
+ case SMDSEntity_Quad_Triangle:
+ case SMDSEntity_Quad_Quadrangle:
+ case SMDSEntity_Quad_Hexa: alreadyOK = !theToBiQuad; break;
+ case SMDSEntity_BiQuad_Triangle:
+ case SMDSEntity_BiQuad_Quadrangle:
+ case SMDSEntity_TriQuad_Hexa: alreadyOK = theToBiQuad; break;
+ default: alreadyOK = true;
+ }
+ if ( alreadyOK )
+ continue;
}
+ if ( type >= elemType )
+ continue; // same type or more complex linear element
- if ( !checkedAdjacentElems[ e->GetType() ].insert( e ).second )
+ if ( !checkedAdjacentElems[ type ].insert( e ).second )
continue; // e is already checked
// check nodes
bool allIn = true;
- SMDS_ElemIteratorPtr nodeIt = e->nodesIterator();
+ SMDS_NodeIteratorPtr nodeIt = e->nodeIterator();
while ( nodeIt->more() && allIn )
- allIn = allNodes.count( cast2Node( nodeIt->next() ));
+ allIn = allNodes.count( 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
helper.AddTLinks( static_cast< const SMDS_MeshVolume*> (*eIt) );
}
- // make quadratic elements instead of linear ones
+ // make quadratic (or bi-tri-quadratic) elements instead of linear ones
- SMESHDS_Mesh* meshDS = GetMeshDS();
+ SMESHDS_Mesh* meshDS = GetMeshDS();
SMESHDS_SubMesh* smDS = 0;
for ( eIt = theElements.begin(); eIt != theElements.end(); ++eIt )
{
const SMDS_MeshElement* elem = *eIt;
- if( elem->IsQuadratic() || elem->NbNodes() < 2 || elem->IsPoly() )
- continue;
- const int id = elem->GetID();
+ bool alreadyOK;
+ int nbCentralNodes = 0;
+ switch ( elem->GetEntityType() ) {
+ // linear convertible
+ case SMDSEntity_Edge:
+ case SMDSEntity_Triangle:
+ case SMDSEntity_Quadrangle:
+ case SMDSEntity_Tetra:
+ case SMDSEntity_Pyramid:
+ case SMDSEntity_Hexa:
+ case SMDSEntity_Penta: alreadyOK = false; nbCentralNodes = 0; break;
+ // quadratic that can become bi-quadratic
+ case SMDSEntity_Quad_Triangle:
+ case SMDSEntity_Quad_Quadrangle:
+ case SMDSEntity_Quad_Hexa: alreadyOK =!theToBiQuad; nbCentralNodes = 0; break;
+ // bi-quadratic
+ case SMDSEntity_BiQuad_Triangle:
+ case SMDSEntity_BiQuad_Quadrangle: alreadyOK = theToBiQuad; nbCentralNodes = 1; break;
+ case SMDSEntity_TriQuad_Hexa: alreadyOK = theToBiQuad; nbCentralNodes = 7; break;
+ // the rest
+ 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());
+ helper.SetSubShape( elem->getshapeId() );
+
if ( !smDS || !smDS->Contains( elem ))
smDS = meshDS->MeshElements( elem->getshapeId() );
meshDS->RemoveFreeElement(elem, smDS, /*fromGroups=*/false);
SMDS_MeshElement * newElem = 0;
- switch( nodes.size() )
+ switch( nbNodes )
{
case 4: // cases for most frequently used element types go first (for optimization)
if ( type == SMDSAbs_Volume )
ReplaceElemInGroups( elem, newElem, meshDS);
if( newElem && smDS )
smDS->AddElement( newElem );
- }
- if ( !theForce3d && !getenv("NO_FixQuadraticElements"))
+ // remove central nodes
+ for ( size_t i = nodes.size() - nbCentralNodes; i < nodes.size(); ++i )
+ if ( nodes[i]->NbInverseElements() == 0 )
+ meshDS->RemoveFreeNode( nodes[i], smDS, /*fromGroups=*/true );
+
+ } // loop on theElements
+
+ if ( !theForce3d )
{ // setenv NO_FixQuadraticElements to know if FixQuadraticElements() is guilty of bad conversion
- helper.SetSubShape(0); // apply FixQuadraticElements() to the whole mesh
- helper.FixQuadraticElements( myError );
+ // helper.SetSubShape(0); // apply FixQuadraticElements() to the whole mesh
+ // helper.FixQuadraticElements( myError );
+ SMESH_MesherHelper( *myMesh ).FixQuadraticElements(myError);
}
}
{
int nbElem = 0;
SMESHDS_Mesh* meshDS = GetMeshDS();
+ ElemFeatures elemType;
+ vector<const SMDS_MeshNode *> nodes;
while( theItr->more() )
{
nbElem++;
if( elem && elem->IsQuadratic())
{
- int id = elem->GetID();
- int nbCornerNodes = elem->NbCornerNodes();
- SMDSAbs_ElementType aType = elem->GetType();
+ // get elem data
+ int nbCornerNodes = elem->NbCornerNodes();
+ nodes.assign( elem->begin_nodes(), elem->end_nodes() );
- vector<const SMDS_MeshNode *> nodes( elem->begin_nodes(), elem->end_nodes() );
+ elemType.Init( elem, /*basicOnly=*/false ).SetID( elem->GetID() ).SetQuad( false );
//remove a quadratic element
if ( !theSm || !theSm->Contains( elem ))
meshDS->RemoveFreeElement( elem, theSm, /*fromGroups=*/false );
// remove medium nodes
- for ( unsigned i = nbCornerNodes; i < nodes.size(); ++i )
+ for ( size_t 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 );
+ SMDS_MeshElement * newElem = AddElement( nodes, elemType );
ReplaceElemInGroups(elem, newElem, meshDS);
if( theSm && newElem )
theSm->AddElement( newElem );
}
// replace given elements by linear ones
- typedef SMDS_SetIterator<const SMDS_MeshElement*, TIDSortedElemSet::iterator> TSetIterator;
- SMDS_ElemIteratorPtr elemIt( new TSetIterator( theElements.begin(), theElements.end() ));
+ SMDS_ElemIteratorPtr elemIt = elemSetIterator( theElements );
removeQuadElem( /*theSm=*/0, elemIt, /*theShapeID=*/0 );
// we need to convert remaining elements whose all medium nodes are in mediumNodeIDs
const SMDS_MeshElement* eComplex = invIt2->next();
if ( eComplex->IsQuadratic() && !allMediumNodesIn( eComplex, mediumNodes))
{
- int nbCommonNodes = SMESH_Algo::GetCommonNodes( e, eComplex ).size();
+ int nbCommonNodes = SMESH_MeshAlgos::GetCommonNodes( e, eComplex ).size();
if ( nbCommonNodes == e->NbNodes())
{
complexFound = true;
}
}
}
- elemIt = SMDS_ElemIteratorPtr
- (new TSetIterator( moreElemsToConvert.begin(), moreElemsToConvert.end() ));
+ elemIt = elemSetIterator( moreElemsToConvert );
removeQuadElem( /*theSm=*/0, elemIt, /*theShapeID=*/0 );
}
//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] );
+ face[ iSide ] = SMESH_MeshAlgos::FindFaceInSet( n1, n2,
+ *faceSetPtr[ iSide ], avoidSet,
+ &iLinkNode[iSide][0],
+ &iLinkNode[iSide][1] );
if ( face[ iSide ])
{
//cout << " F " << face[ iSide]->GetID() <<endl;
if ( aResult != SEW_OK)
return aResult;
- list< int > nodeIDsToRemove/*, elemIDsToRemove*/;
+ list< int > nodeIDsToRemove;
+ vector< const SMDS_MeshNode*> nodes;
+ ElemFeatures elemType;
+
// loop on nodes replacement map
TNodeNodeMap::iterator nReplaceMapIt = nReplaceMap.begin(), nnIt;
for ( ; nReplaceMapIt != nReplaceMap.end(); nReplaceMapIt++ )
- if ( (*nReplaceMapIt).first != (*nReplaceMapIt).second ) {
+ if ( (*nReplaceMapIt).first != (*nReplaceMapIt).second )
+ {
const SMDS_MeshNode* nToRemove = (*nReplaceMapIt).first;
nodeIDsToRemove.push_back( nToRemove->GetID() );
// loop on elements sharing nToRemove
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 );
+ nodes.resize( nbNodes );
SMDS_ElemIteratorPtr nIt = e->nodesIterator();
while ( nIt->more() ) {
- const SMDS_MeshNode* n =
- static_cast<const SMDS_MeshNode*>( nIt->next() );
+ const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
nnIt = nReplaceMap.find( n );
if ( nnIt != nReplaceMap.end() ) {
nbReplaced++;
// elemIDsToRemove.push_back( e->GetID() );
// else
if ( nbReplaced )
+ {
+ elemType.Init( e, /*basicOnly=*/false ).SetID( e->GetID() );
+ aMesh->RemoveElement( e );
+
+ if ( SMDS_MeshElement* newElem = this->AddElement( nodes, elemType ))
{
- 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);
+ AddToSameGroups( newElem, e, aMesh );
+ if ( int aShapeId = e->getshapeId() )
+ aMesh->SetMeshElementOnShape( newElem, aShapeId );
}
+ }
}
}
return SEW_OK;
}
+//================================================================================
+/*!
+ * \brief Create elements equal (on same nodes) to given ones
+ * \param [in] theElements - a set of elems to duplicate. If it is empty, all
+ * elements of the uppest dimension are duplicated.
+ */
+//================================================================================
+
+void SMESH_MeshEditor::DoubleElements( const TIDSortedElemSet& theElements )
+{
+ ClearLastCreated();
+ SMESHDS_Mesh* mesh = GetMeshDS();
+
+ // get an element type and an iterator over elements
+
+ SMDSAbs_ElementType type;
+ SMDS_ElemIteratorPtr elemIt;
+ vector< const SMDS_MeshElement* > allElems;
+ if ( theElements.empty() )
+ {
+ if ( mesh->NbNodes() == 0 )
+ return;
+ // get most complex type
+ SMDSAbs_ElementType types[SMDSAbs_NbElementTypes] = {
+ SMDSAbs_Volume, SMDSAbs_Face, SMDSAbs_Edge,
+ SMDSAbs_0DElement, SMDSAbs_Ball, SMDSAbs_Node
+ };
+ for ( int i = 0; i < SMDSAbs_NbElementTypes; ++i )
+ if ( mesh->GetMeshInfo().NbElements( types[i] ))
+ {
+ type = types[i];
+ break;
+ }
+ // put all elements in the vector <allElems>
+ allElems.reserve( mesh->GetMeshInfo().NbElements( type ));
+ elemIt = mesh->elementsIterator( type );
+ while ( elemIt->more() )
+ allElems.push_back( elemIt->next());
+ elemIt = elemSetIterator( allElems );
+ }
+ else
+ {
+ type = (*theElements.begin())->GetType();
+ elemIt = elemSetIterator( theElements );
+ }
+
+ // duplicate elements
+
+ ElemFeatures elemType;
+
+ vector< const SMDS_MeshNode* > nodes;
+ while ( elemIt->more() )
+ {
+ const SMDS_MeshElement* elem = elemIt->next();
+ if ( elem->GetType() != type )
+ continue;
+
+ elemType.Init( elem, /*basicOnly=*/false );
+ nodes.assign( elem->begin_nodes(), elem->end_nodes() );
+
+ AddElement( nodes, elemType );
+ }
+}
+
//================================================================================
/*!
\brief Creates a hole in a mesh by doubling the nodes of some particular elements
return false;
bool res = false;
- std::map< const SMDS_MeshNode*, const SMDS_MeshNode* > anOldNodeToNewNode;
+ TNodeNodeMap anOldNodeToNewNode;
// duplicate elements and nodes
res = doubleNodes( aMeshDS, theElems, theNodesNot, anOldNodeToNewNode, true );
// replce nodes by duplications
*/
//================================================================================
-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 )
+bool SMESH_MeshEditor::doubleNodes(SMESHDS_Mesh* theMeshDS,
+ const TIDSortedElemSet& theElems,
+ const TIDSortedElemSet& theNodesNot,
+ TNodeNodeMap& theNodeNodeMap,
+ const bool theIsDoubleElem )
{
MESSAGE("doubleNodes");
- // iterate on through element and duplicate them (by nodes duplication)
+ // iterate through element and duplicate them (by nodes duplication)
bool res = false;
+ std::vector<const SMDS_MeshNode*> newNodes;
+ ElemFeatures elemType;
+
TIDSortedElemSet::const_iterator elemItr = theElems.begin();
for ( ; elemItr != theElems.end(); ++elemItr )
{
if (!anElem)
continue;
- bool isDuplicate = false;
// duplicate nodes to duplicate element
- std::vector<const SMDS_MeshNode*> newNodes( anElem->NbNodes() );
+ bool isDuplicate = false;
+ newNodes.resize( 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() )
+ const SMDS_MeshNode* aCurrNode = static_cast<const SMDS_MeshNode*>( anIter->next() );
+ const SMDS_MeshNode* aNewNode = aCurrNode;
+ TNodeNodeMap::iterator n2n = theNodeNodeMap.find( aCurrNode );
+ if ( n2n != theNodeNodeMap.end() )
+ {
+ aNewNode = n2n->second;
+ }
+ else if ( theIsDoubleElem && !theNodesNot.count( aCurrNode ))
{
// duplicate node
aNewNode = theMeshDS->AddNode( aCurrNode->X(), aCurrNode->Y(), aCurrNode->Z() );
+ copyPosition( aCurrNode, aNewNode );
theNodeNodeMap[ aCurrNode ] = aNewNode;
myLastCreatedNodes.Append( aNewNode );
}
continue;
if ( theIsDoubleElem )
- AddElement(newNodes, anElem->GetType(), anElem->IsPoly());
+ AddElement( newNodes, elemType.Init( anElem, /*basicOnly=*/false ));
else
- {
- MESSAGE("ChangeElementNodes");
- theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], anElem->NbNodes() );
- }
+ theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], newNodes.size() );
+
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
+ 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
*/
//================================================================================
const SMDS_MeshNode* aNewNode = aMeshDS->AddNode( aNode->X(), aNode->Y(), aNode->Z() );
if ( aNewNode )
{
+ copyPosition( aNode, aNewNode );
anOldNodeToNewNode[ aNode ] = aNewNode;
myLastCreatedNodes.Append( aNewNode );
}
}
void Perform(const gp_Pnt& aPnt, double theTol)
{
+ theTol *= 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
{
//================================================================================
/*!
- \brief Identify the elements that will be affected by node duplication (actual duplication is not performed.
+ \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).
+ located on or inside shape). If the shape is null, detection is done on faces orientations
+ (select elements with a gravity center on the side given by faces normals).
+ This mode (null shape) is faster, but works only when theElems are faces, with coherents orientations.
The replicated nodes should be associated to affected elements.
\return groups of affected elements
\sa DoubleNodeElemGroupsInRegion()
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)));
- }
+ std::set<const SMDS_MeshNode*> alreadyCheckedNodes;
+ std::set<const SMDS_MeshElement*> alreadyCheckedElems;
+ std::set<const SMDS_MeshElement*> edgesToCheck;
+ alreadyCheckedNodes.clear();
+ alreadyCheckedElems.clear();
+ edgesToCheck.clear();
- // iterates on indicated elements and get elements by back references from their nodes
- TIDSortedElemSet::const_iterator elemItr = theElems.begin();
- for ( ; elemItr != theElems.end(); ++elemItr )
+ // --- iterates on elements to be replicated and get elements by back references from their nodes
+
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
+ int ielem;
+ for ( ielem=1; elemItr != theElems.end(); ++elemItr )
+ {
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
+ if (!anElem || (anElem->GetType() != SMDSAbs_Face))
+ continue;
+ gp_XYZ normal;
+ SMESH_MeshAlgos::FaceNormal( anElem, normal, /*normalized=*/true );
+ MESSAGE("element " << ielem++ << " normal " << normal.X() << " " << normal.Y() << " " << normal.Z());
+ std::set<const SMDS_MeshNode*> nodesElem;
+ nodesElem.clear();
+ SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
+ while ( nodeItr->more() )
+ {
+ const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
+ nodesElem.insert(aNode);
+ }
+ std::set<const SMDS_MeshNode*>::iterator nodit = nodesElem.begin();
+ for (; nodit != nodesElem.end(); nodit++)
+ {
+ MESSAGE(" noeud ");
+ const SMDS_MeshNode* aNode = *nodit;
+ if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
+ continue;
+ if (alreadyCheckedNodes.find(aNode) != alreadyCheckedNodes.end())
+ continue;
+ alreadyCheckedNodes.insert(aNode);
+ SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
+ while ( backElemItr->more() )
+ {
+ MESSAGE(" backelem ");
+ const SMDS_MeshElement* curElem = backElemItr->next();
+ if (alreadyCheckedElems.find(curElem) != alreadyCheckedElems.end())
+ continue;
+ if (theElems.find(curElem) != theElems.end())
+ continue;
+ alreadyCheckedElems.insert(curElem);
+ double x=0, y=0, z=0;
+ int nb = 0;
+ SMDS_ElemIteratorPtr nodeItr2 = curElem->nodesIterator();
+ while ( nodeItr2->more() )
+ {
+ const SMDS_MeshNode* anotherNode = cast2Node(nodeItr2->next());
+ x += anotherNode->X();
+ y += anotherNode->Y();
+ z += anotherNode->Z();
+ nb++;
+ }
+ gp_XYZ p;
+ p.SetCoord( x/nb -aNode->X(),
+ y/nb -aNode->Y(),
+ z/nb -aNode->Z() );
+ MESSAGE(" check " << p.X() << " " << p.Y() << " " << p.Z());
+ if (normal*p > 0)
+ {
+ MESSAGE(" --- inserted")
+ theAffectedElems.insert( curElem );
+ }
+ else if (curElem->GetType() == SMDSAbs_Edge)
+ edgesToCheck.insert(curElem);
+ }
+ }
+ }
+ // --- add also edges lying on the set of faces (all nodes in alreadyCheckedNodes)
+ std::set<const SMDS_MeshElement*>::iterator eit = edgesToCheck.begin();
+ for( ; eit != edgesToCheck.end(); eit++)
+ {
+ bool onside = true;
+ const SMDS_MeshElement* anEdge = *eit;
+ SMDS_ElemIteratorPtr nodeItr = anEdge->nodesIterator();
+ while ( nodeItr->more() )
+ {
+ const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
+ if (alreadyCheckedNodes.find(aNode) == alreadyCheckedNodes.end())
+ {
+ onside = false;
+ break;
+ }
+ }
+ if (onside)
+ {
+ MESSAGE(" --- edge onside inserted")
+ theAffectedElems.insert(anEdge);
+ }
+ }
+ }
+ else
{
- SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
- if (!anElem)
- continue;
+ 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)));
+ }
- SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
- while ( nodeItr->more() )
+ // iterates on indicated elements and get elements by back references from their nodes
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
+ int ielem;
+ for ( ielem = 1; elemItr != theElems.end(); ++elemItr )
{
- const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
- if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
+ MESSAGE("element " << ielem++);
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
+ if (!anElem)
continue;
- SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
- while ( backElemItr->more() )
+ SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
+ while ( nodeItr->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 );
+ MESSAGE(" noeud ");
+ const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
+ if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
+ continue;
+ SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
+ while ( backElemItr->more() )
+ {
+ MESSAGE(" backelem ");
+ 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 );
+ }
}
}
}
gp_Vec v2(p0, g2);
gp_Vec n1 = vref.Crossed(v1);
gp_Vec n2 = vref.Crossed(v2);
- return n2.AngleWithRef(n1, vref);
+ try {
+ return n2.AngleWithRef(n1, vref);
+ }
+ catch ( Standard_Failure ) {
+ }
+ return Max( v1.Magnitude(), v2.Magnitude() );
}
/*!
* \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
+ * The list of groups must contain at least two groups. The groups have to be disjoint: no common element into two different groups.
+ * The nodes of the internal faces at the boundaries of the groups are doubled. Optionally, the internal faces are replaced by flat elements.
+ * Triangles are transformed into prisms, and quadrangles into hexahedrons.
+ * The flat elements are stored in groups of volumes. These groups are named according to the position of the group in the list:
+ * the group j_n_p is the group of the flat elements that are built between the group #n and the group #p in the list.
+ * If there is no shared faces between the group #n and the group #p in the list, the group j_n_p is not created.
+ * All the flat elements are gathered into the group named "joints3D" (or "joints2D" in 2D situation).
+ * The flat element of the multiple junctions between the simple junction are stored in a group named "jointsMultiples".
+ * \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
+ * \param onAllBoundaries - if TRUE, the nodes and elements are also created on
+ * the boundary between \a theDomains and the rest mesh
+ * \return TRUE if operation has been completed successfully, FALSE otherwise
*/
bool SMESH_MeshEditor::DoubleNodesOnGroupBoundaries( const std::vector<TIDSortedElemSet>& theElems,
- bool createJointElems)
+ bool createJointElems,
+ bool onAllBoundaries)
{
MESSAGE("----------------------------------------------");
MESSAGE("SMESH_MeshEditor::doubleNodesOnGroupBoundaries");
std::set<int> emptySet;
emptyMap.clear();
- for (int idom = 0; idom < theElems.size(); idom++)
+ MESSAGE(".. Number of domains :"<<theElems.size());
+
+ TIDSortedElemSet theRestDomElems;
+ const int iRestDom = -1;
+ const int idom0 = onAllBoundaries ? iRestDom : 0;
+ const int nbDomains = theElems.size();
+
+ // Check if the domains do not share an element
+ for (int idom = 0; idom < nbDomains-1; idom++)
+ {
+// MESSAGE("... Check of domain #" << idom);
+ const TIDSortedElemSet& domain = theElems[idom];
+ TIDSortedElemSet::const_iterator elemItr = domain.begin();
+ for (; elemItr != domain.end(); ++elemItr)
+ {
+ const SMDS_MeshElement* anElem = *elemItr;
+ int idombisdeb = idom + 1 ;
+ for (int idombis = idombisdeb; idombis < theElems.size(); idombis++) // check if the element belongs to a domain further in the list
+ {
+ const TIDSortedElemSet& domainbis = theElems[idombis];
+ if ( domainbis.count(anElem) )
+ {
+ MESSAGE(".... Domain #" << idom);
+ MESSAGE(".... Domain #" << idombis);
+ throw SALOME_Exception("The domains are not disjoint.");
+ return false ;
+ }
+ }
+ }
+ }
+
+ for (int idom = 0; idom < nbDomains; idom++)
{
// --- build a map (face to duplicate --> volume to modify)
// 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);
+ MESSAGE("... Neighbors of domain #" << idom);
const TIDSortedElemSet& domain = theElems[idom];
TIDSortedElemSet::const_iterator elemItr = domain.begin();
for (; elemItr != domain.end(); ++elemItr)
{
- SMDS_MeshElement* anElem = (SMDS_MeshElement*) *elemItr;
+ const SMDS_MeshElement* anElem = *elemItr;
if (!anElem)
continue;
int vtkId = anElem->getVtkId();
{
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
+ if (elem && ! 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))
+ bool ok = false ;
+ for (int idombis = 0; idombis < theElems.size() && !ok; idombis++) // check if the neighbor belongs to another domain of the list
+ {
+ // MESSAGE("Domain " << idombis);
+ const TIDSortedElemSet& domainbis = theElems[idombis];
+ if ( domainbis.count(elem)) ok = true ; // neighbor is in a correct domain : face is kept
+ }
+ if ( ok || onAllBoundaries ) // the characteristics of the face is stored
+ {
+ DownIdType face(downIds[n], downTypes[n]);
+ 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);
+ }
+ if ( !ok )
{
- faceDomains[face][idom] = vtkId; // volume associated to face in this domain
- celldom[vtkId] = idom;
- //MESSAGE(" cell with a border " << vtkId << " domain " << idom);
+ theRestDomElems.insert( elem );
+ faceDomains[face][iRestDom] = neighborsVtkIds[n];
+ celldom[neighborsVtkIds[n]] = iRestDom;
}
+ }
}
}
}
// 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++)
+ for (int idomain = idom0; idomain < nbDomains; idomain++)
{
//MESSAGE("Domain " << idomain);
- const TIDSortedElemSet& domain = theElems[idomain];
+ const TIDSortedElemSet& domain = (idomain == iRestDom) ? theRestDomElems : theElems[idomain];
itface = faceDomains.begin();
for (; itface != faceDomains.end(); ++itface)
{
- std::map<int, int> domvol = itface->second;
+ const std::map<int, int>& domvol = itface->second;
if (!domvol.count(idomain))
continue;
DownIdType face = itface->first;
//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);
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++)
+ MESSAGE(".. Duplication of the nodes");
+ for (int idomain = idom0; idomain < nbDomains; idomain++)
{
itface = faceDomains.begin();
for (; itface != faceDomains.end(); ++itface)
{
- std::map<int, int> domvol = itface->second;
+ const std::map<int, int>& domvol = itface->second;
if (!domvol.count(idomain))
continue;
DownIdType face = itface->first;
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);
}
- std::map<int, int>::iterator itdom = domvol.begin();
+ std::map<int, int>::const_iterator itdom = domvol.begin();
for (; itdom != domvol.end(); ++itdom)
{
int idom = itdom->first;
}
double *coords = grid->GetPoint(oldId);
SMDS_MeshNode *newNode = meshDS->AddNode(coords[0], coords[1], coords[2]);
+ copyPosition( meshDS->FindNodeVtk( oldId ), newNode );
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());
}
}
- for (int idomain = 0; idomain < theElems.size(); idomain++)
+ MESSAGE(".. Creation of elements");
+ for (int idomain = idom0; idomain < nbDomains; idomain++)
{
itface = faceDomains.begin();
for (; itface != faceDomains.end(); ++itface)
for (int id=0; id < doms.size(); id++)
{
int idom = doms[id];
+ const TIDSortedElemSet& domain = (idom == iRestDom) ? theRestDomElems : theElems[idom];
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))
+ if (domain.count(elem))
{
SMDS_VtkVolume* svol = dynamic_cast<SMDS_VtkVolume*>(elem);
domvol[idom] = svol;
std::map<int, std::map<long,int> > nodeQuadDomains;
std::map<std::string, SMESH_Group*> mapOfJunctionGroups;
+ MESSAGE(".. Creation of elements: simple junction");
if (createJointElems)
{
int idg;
// iterate on mutipleNodesToFace
// iterate on edgesMultiDomains
+ MESSAGE(".. Creation of elements: multiple junction");
if (createJointElems)
{
// --- iterate on mutipleNodesToFace
}
else
{
- INFOS("Quadratic multiple joints not implemented");
+ //INFOS("Quadratic multiple joints not implemented");
// TODO quadratic nodes
}
}
faceOrEdgeDom.clear();
feDom.clear();
- for (int idomain = 0; idomain < theElems.size(); idomain++)
+ MESSAGE(".. Modification of elements");
+ for (int idomain = idom0; idomain < nbDomains; idomain++)
{
std::map<int, std::map<int, int> >::const_iterator itnod = nodeDomains.begin();
for (; itnod != nodeDomains.end(); ++itnod)
}
}
+ // Remove empty groups (issue 0022812)
+ std::map<std::string, SMESH_Group*>::iterator name_group = mapOfJunctionGroups.begin();
+ for ( ; name_group != mapOfJunctionGroups.end(); ++name_group )
+ {
+ if ( name_group->second && name_group->second->GetGroupDS()->IsEmpty() )
+ myMesh->RemoveGroup( name_group->second->GetGroupDS()->GetID() );
+ }
+
meshDS->CleanDownWardConnectivity(); // Mesh has been modified, downward connectivity is no more usable, free memory
grid->BuildLinks();
if (!clonedNodes.count(node))
{
clone = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ copyPosition( node, clone );
clonedNodes[node] = clone;
}
else
if (!intermediateNodes.count(node))
{
inter = meshDS->AddNode(node->X(), node->Y(), node->Z());
+ copyPosition( node, inter );
intermediateNodes[node] = inter;
}
else
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());
+ MESSAGE("TopoDS_Vertex " << k << " " << p.X() << " " << p.Y() << " " << p.Z());
+ k++;
}
}
else // --- no group, no coordinates : use the vertices of the geom shape provided, and radius
SMESHDS_Mesh* aMesh = GetMeshDS();
if (!aMesh)
return false;
- //bool res = false;
+
+ ElemFeatures faceType( SMDSAbs_Face );
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, /*ignoreCentralNodes=*/false );
vTool.SetExternalNormal();
- //const bool isPoly = volume->IsPoly();
const int iQuad = volume->IsQuadratic();
+ faceType.SetQuad( iQuad );
for ( int iface = 0, n = vTool.NbFaces(); iface < n; iface++ )
{
if (!vTool.IsFreeFace(iface))
int inode = 0;
for ( ; inode < nbFaceNodes; inode += iQuad+1)
nodes.push_back(faceNodes[inode]);
- if (iQuad) { // add medium nodes
+
+ if (iQuad) // add medium nodes
+ {
for ( inode = 1; inode < nbFaceNodes; inode += 2)
nodes.push_back(faceNodes[inode]);
if ( nbFaceNodes == 9 ) // bi-quadratic quad
nodes.push_back(faceNodes[8]);
}
// add new face based on volume nodes
- if (aMesh->FindElement( nodes, SMDSAbs_Face, /*noMedium=*/false) ) {
- nbExisted++;
- continue; // face already exsist
+ if (aMesh->FindElement( nodes, SMDSAbs_Face, /*noMedium=*/false) )
+ {
+ nbExisted++; // face already exsist
+ }
+ else
+ {
+ AddElement( nodes, faceType.SetPoly( nbFaceNodes/(iQuad+1) > 4 ));
+ nbCreated++;
}
- AddElement(nodes, SMDSAbs_Face, ( !iQuad && nbFaceNodes/(iQuad+1) > 4 ));
- nbCreated++;
}
}
- return ( nbFree==(nbExisted+nbCreated) );
+ return ( nbFree == ( nbExisted + nbCreated ));
}
namespace
SMDS_VolumeTool vTool;
TIDSortedElemSet avoidSet;
const TIDSortedElemSet emptySet, *elemSet = aroundElements ? &elements : &emptySet;
- int inode;
+ size_t inode;
typedef vector<const SMDS_MeshNode*> TConnectivity;
+ TConnectivity tgtNodes;
+ ElemFeatures elemKind( missType ), elemToCopy;
+
+ vector<const SMDS_MeshElement*> presentBndElems;
+ vector<TConnectivity> missingBndElems;
+ vector<int> freeFacets;
+ TConnectivity nodes, elemNodes;
SMDS_ElemIteratorPtr eIt;
- if (elements.empty())
- eIt = aMesh->elementsIterator(elemType);
- else
- eIt = SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+ if (elements.empty()) eIt = aMesh->elementsIterator(elemType);
+ else eIt = elemSetIterator( elements );
while (eIt->more())
{
const SMDS_MeshElement* elem = eIt->next();
- const int iQuad = elem->IsQuadratic();
+ const int iQuad = elem->IsQuadratic();
+ elemKind.SetQuad( iQuad );
// ------------------------------------------------------------------------------------
// 1. For an elem, get present bnd elements and connectivities of missing bnd elements
// ------------------------------------------------------------------------------------
- vector<const SMDS_MeshElement*> presentBndElems;
- vector<TConnectivity> missingBndElems;
- TConnectivity nodes;
+ presentBndElems.clear();
+ missingBndElems.clear();
+ freeFacets.clear(); nodes.clear(); elemNodes.clear();
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++ )
{
if ( !vTool.IsFreeFace(iface, &otherVol) &&
( !aroundElements || elements.count( otherVol )))
continue;
- const int nbFaceNodes = vTool.NbFaceNodes(iface);
+ freeFacets.push_back( iface );
+ }
+ if ( missType == SMDSAbs_Face )
+ vTool.SetExternalNormal();
+ for ( size_t i = 0; i < freeFacets.size(); ++i )
+ {
+ int iface = freeFacets[i];
const SMDS_MeshNode** nn = vTool.GetFaceNodes(iface);
+ const size_t nbFaceNodes = vTool.NbFaceNodes (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];
+ nodes[j] = nn[ i+j ];
if ( const SMDS_MeshElement* edge =
- aMesh->FindElement(nodes,SMDSAbs_Edge,/*noMedium=*/false))
+ aMesh->FindElement( nodes, SMDSAbs_Edge, /*noMedium=*/false ))
presentBndElems.push_back( edge );
else
missingBndElems.push_back( nodes );
{
nodes.clear();
for ( inode = 0; inode < nbFaceNodes; inode += 1+iQuad)
- nodes.push_back( nn[inode] );
- if (iQuad) // add medium nodes
+ nodes.push_back( nn[inode] ); // add corner nodes
+ if (iQuad)
for ( inode = 1; inode < nbFaceNodes; inode += 2)
- nodes.push_back( nn[inode] );
+ nodes.push_back( nn[inode] ); // add medium nodes
int iCenter = vTool.GetCenterNodeIndex(iface); // for HEX27
if ( iCenter > 0 )
nodes.push_back( vTool.GetNodes()[ iCenter ] );
}
}
}
- else // elem is a face ------------------------------------------
+ else if ( elem->GetType() == SMDSAbs_Face ) // elem is a face ------------------------
{
avoidSet.clear(), avoidSet.insert( elem );
- int nbNodes = elem->NbCornerNodes();
- nodes.resize( 2 /*+ iQuad*/);
- for ( int i = 0; i < nbNodes; i++ )
+ elemNodes.assign( SMDS_MeshElement::iterator( elem->interlacedNodesElemIterator() ),
+ SMDS_MeshElement::iterator() );
+ elemNodes.push_back( elemNodes[0] );
+ nodes.resize( 2 + iQuad );
+ const int nbLinks = elem->NbCornerNodes();
+ for ( int i = 0, iN = 0; i < nbLinks; i++, iN += 1+iQuad )
{
- nodes[0] = elem->GetNode(i);
- nodes[1] = elem->GetNode((i+1)%nbNodes);
- if ( FindFaceInSet( nodes[0], nodes[1], *elemSet, avoidSet))
+ nodes[0] = elemNodes[iN];
+ nodes[1] = elemNodes[iN+1+iQuad];
+ if ( SMESH_MeshAlgos::FindFaceInSet( nodes[0], nodes[1], *elemSet, avoidSet))
continue; // not free link
- //if ( iQuad )
- //nodes[2] = elem->GetNode( i + nbNodes );
+ if ( iQuad ) nodes[2] = elemNodes[iN+1];
if ( const SMDS_MeshElement* edge =
- aMesh->FindElement(nodes,SMDSAbs_Edge,/*noMedium=*/true))
+ aMesh->FindElement(nodes,SMDSAbs_Edge,/*noMedium=*/false))
presentBndElems.push_back( edge );
else
missingBndElems.push_back( nodes );
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 )
+ for ( size_t 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,
+ tgtNodes.resize( srcNodes.size() );
+ for ( inode = 0; inode < srcNodes.size(); ++inode )
+ tgtNodes[inode] = getNodeWithSameID( tgtMeshDS, srcNodes[inode] );
+ if ( aroundElements && tgtEditor.GetMeshDS()->FindElement( tgtNodes,
missType,
/*noMedium=*/false))
continue;
- tgtEditor.AddElement(nodes, missType, !iQuad && nodes.size()/(iQuad+1)>4);
+ tgtEditor.AddElement( tgtNodes, elemKind.SetPoly( tgtNodes.size()/(iQuad+1) > 4 ));
++nbAddedBnd;
}
else
missType,
/*noMedium=*/false))
continue;
- SMDS_MeshElement* elem =
- tgtEditor.AddElement(nodes, missType, !iQuad && nodes.size()/(iQuad+1)>4);
- ++nbAddedBnd;
+ SMDS_MeshElement* newElem =
+ tgtEditor.AddElement( nodes, elemKind.SetPoly( nodes.size()/(iQuad+1) > 4 ));
+ nbAddedBnd += bool( newElem );
// 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 );
+ const size_t nbN = nodes.size() / (iQuad+1 );
for ( inode = 0; inode < nbN && ok; ++inode )
{
pair<int, TopAbs_ShapeEnum> i_stype =
}
}
if ( ok && mediumShapes.begin()->first == missShapeType )
- aMesh->SetMeshElementOnShape( elem, mediumShapes.begin()->second );
+ aMesh->SetMeshElementOnShape( newElem, mediumShapes.begin()->second );
}
}
for ( int i = 0 ; i < presentBndElems.size(); ++i )
{
const SMDS_MeshElement* e = presentBndElems[i];
- TConnectivity nodes( e->NbNodes() );
+ tgtNodes.resize( e->NbNodes() );
for ( inode = 0; inode < nodes.size(); ++inode )
- nodes[inode] = getNodeWithSameID( tgtMeshDS, e->GetNode(inode) );
- presentEditor->AddElement(nodes, e->GetType(), e->IsPoly());
+ tgtNodes[inode] = getNodeWithSameID( tgtMeshDS, e->GetNode(inode) );
+ presentEditor->AddElement( tgtNodes, elemToCopy.Init( e ));
}
else // store present elements to add them to a group
for ( int i = 0 ; i < presentBndElems.size(); ++i )
{
- presentEditor->myLastCreatedElems.Append(presentBndElems[i]);
+ presentEditor->myLastCreatedElems.Append( presentBndElems[i] );
}
} // loop on given elements
// -----------------------
if ( toCopyElements && targetMesh != myMesh )
{
- if (elements.empty())
- eIt = aMesh->elementsIterator(elemType);
- else
- eIt = SMDS_ElemIteratorPtr( new TSetIterator( elements.begin(), elements.end() ));
+ if (elements.empty()) eIt = aMesh->elementsIterator(elemType);
+ else eIt = elemSetIterator( elements );
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());
+ tgtNodes.resize( elem->NbNodes() );
+ for ( inode = 0; inode < tgtNodes.size(); ++inode )
+ tgtNodes[inode] = getNodeWithSameID( tgtMeshDS, elem->GetNode(inode) );
+ tgtEditor.AddElement( tgtNodes, elemToCopy.Init( elem ));
tgtEditor.myLastCreatedElems.Clear();
}
}
return nbAddedBnd;
}
+
+//================================================================================
+/*!
+ * \brief Copy node position and set \a to node on the same geometry
+ */
+//================================================================================
+
+void SMESH_MeshEditor::copyPosition( const SMDS_MeshNode* from,
+ const SMDS_MeshNode* to )
+{
+ if ( !from || !to ) return;
+
+ SMDS_PositionPtr pos = from->GetPosition();
+ if ( !pos || from->getshapeId() < 1 ) return;
+
+ switch ( pos->GetTypeOfPosition() )
+ {
+ case SMDS_TOP_3DSPACE: break;
+
+ case SMDS_TOP_FACE:
+ {
+ const SMDS_FacePosition* fPos = static_cast< const SMDS_FacePosition* >( pos );
+ GetMeshDS()->SetNodeOnFace( to, from->getshapeId(),
+ fPos->GetUParameter(), fPos->GetVParameter() );
+ break;
+ }
+ case SMDS_TOP_EDGE:
+ {
+ // WARNING: it is dangerous to set equal nodes on one EDGE!!!!!!!!
+ const SMDS_EdgePosition* ePos = static_cast< const SMDS_EdgePosition* >( pos );
+ GetMeshDS()->SetNodeOnEdge( to, from->getshapeId(), ePos->GetUParameter() );
+ break;
+ }
+ case SMDS_TOP_VERTEX:
+ {
+ GetMeshDS()->SetNodeOnVertex( to, from->getshapeId() );
+ break;
+ }
+ case SMDS_TOP_UNSPEC:
+ default:;
+ }
+}
