-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2010 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
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
// SMESH SMESH : idl implementation based on 'SMESH' unit's classes
// File : SMESH_MeshEditor.cxx
// Created : Mon Apr 12 16:10:22 2004
#include "SMESHDS_Group.hxx"
#include "SMESHDS_Mesh.hxx"
-#include "SMESH_subMesh.hxx"
+#include "SMESH_Algo.hxx"
#include "SMESH_ControlsDef.hxx"
+#include "SMESH_Group.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_OctreeNode.hxx"
-#include "SMESH_Group.hxx"
+#include "SMESH_subMesh.hxx"
#include "utilities.h"
-#include <BRep_Tool.hxx>
+#include <BRepAdaptor_Surface.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
+#include <BRep_Tool.hxx>
#include <ElCLib.hxx>
#include <Extrema_GenExtPS.hxx>
+#include <Extrema_POnCurv.hxx>
#include <Extrema_POnSurf.hxx>
+#include <GC_MakeSegment.hxx>
#include <Geom2d_Curve.hxx>
+#include <GeomAPI_ExtremaCurveCurve.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <Geom_Curve.hxx>
+#include <Geom_Line.hxx>
#include <Geom_Surface.hxx>
+#include <IntAna_IntConicQuad.hxx>
+#include <IntAna_Quadric.hxx>
#include <Precision.hxx>
#include <TColStd_ListOfInteger.hxx>
#include <TopAbs_State.hxx>
#include <gp_Vec.hxx>
#include <gp_XY.hxx>
#include <gp_XYZ.hxx>
+
#include <math.h>
#include <map>
#include <set>
+#include <numeric>
+#include <limits>
#define cast2Node(elem) static_cast<const SMDS_MeshNode*>( elem )
typedef map<const SMDS_MeshElement*, list<const SMDS_MeshNode*> > TElemOfNodeListMap;
typedef map<const SMDS_MeshElement*, list<const SMDS_MeshElement*> > TElemOfElemListMap;
-//typedef map<const SMDS_MeshNode*, vector<const SMDS_MeshNode*> > TNodeOfNodeVecMap;
-//typedef TNodeOfNodeVecMap::iterator TNodeOfNodeVecMapItr;
-//typedef map<const SMDS_MeshElement*, vector<TNodeOfNodeVecMapItr> > TElemOfVecOfMapNodesMap;
-
-struct TNodeXYZ : public gp_XYZ {
- TNodeXYZ( const SMDS_MeshNode* n ):gp_XYZ( n->X(), n->Y(), n->Z() ) {}
-};
//=======================================================================
//function : SMESH_MeshEditor
int nbnode = node.size();
SMESHDS_Mesh* mesh = GetMeshDS();
switch ( type ) {
+ case SMDSAbs_0DElement:
+ if ( nbnode == 1 )
+ if ( ID ) e = mesh->Add0DElementWithID(node[0], ID);
+ else e = mesh->Add0DElement (node[0] );
+ break;
case SMDSAbs_Edge:
if ( nbnode == 2 )
if ( ID ) e = mesh->AddEdgeWithID(node[0], node[1], ID);
smmap.insert( sm );
}
// Find sub-meshes to notify about modification
-// SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
-// while ( nodeIt->more() ) {
-// const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
-// const SMDS_PositionPtr& aPosition = node->GetPosition();
-// if ( aPosition.get() ) {
-// if ( int aShapeID = aPosition->GetShapeId() ) {
-// if ( SMESH_subMesh * sm = GetMesh()->GetSubMeshContaining( aShapeID ) )
-// smmap.insert( sm );
-// }
-// }
-// }
+ // SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
+ // while ( nodeIt->more() ) {
+ // const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
+ // const SMDS_PositionPtr& aPosition = node->GetPosition();
+ // if ( aPosition.get() ) {
+ // if ( int aShapeID = aPosition->GetShapeId() ) {
+ // if ( SMESH_subMesh * sm = GetMesh()->GetSubMeshContaining( aShapeID ) )
+ // smmap.insert( sm );
+ // }
+ // }
+ // }
// Do remove
if ( isNodes )
(*smIt)->ComputeStateEngine( SMESH_subMesh::MESH_ENTITY_REMOVED );
}
-// // Check if the whole mesh becomes empty
-// if ( SMESH_subMesh * sm = GetMesh()->GetSubMeshContaining( 1 ) )
-// sm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+ // // Check if the whole mesh becomes empty
+ // if ( SMESH_subMesh * sm = GetMesh()->GetSubMeshContaining( 1 ) )
+ // sm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
return true;
}
//function : BestSplit
//purpose : Find better diagonal for cutting.
//=======================================================================
+
int SMESH_MeshEditor::BestSplit (const SMDS_MeshElement* theQuad,
SMESH::Controls::NumericalFunctorPtr theCrit)
{
return -1;
}
+namespace
+{
+ // Methods of splitting volumes into tetra
+
+ const int theHexTo5_1[5*4+1] =
+ {
+ 0, 1, 2, 5, 0, 4, 5, 7, 0, 2, 3, 7, 2, 5, 6, 7, 0, 5, 2, 7, -1
+ };
+ const int theHexTo5_2[5*4+1] =
+ {
+ 1, 2, 3, 6, 1, 4, 5, 6, 0, 1, 3, 4, 3, 4, 6, 7, 1, 3, 4, 6, -1
+ };
+ const int* theHexTo5[2] = { theHexTo5_1, theHexTo5_2 };
+
+ const int theHexTo6_1[6*4+1] =
+ {
+ 1, 5, 6, 0, 0, 1, 2, 6, 0, 4, 5, 6, 0, 4, 6, 7, 0, 2, 3, 6, 0, 3, 7, 6, -1
+ };
+ const int theHexTo6_2[6*4+1] =
+ {
+ 2, 6, 7, 1, 1, 2, 3, 7, 1, 5, 6, 7, 1, 5, 7, 4, 1, 3, 0, 7, 1, 0, 4, 7, -1
+ };
+ const int theHexTo6_3[6*4+1] =
+ {
+ 3, 7, 4, 2, 2, 3, 0, 4, 2, 6, 7, 4, 2, 6, 4, 5, 2, 0, 1, 4, 2, 1, 5, 4, -1
+ };
+ const int theHexTo6_4[6*4+1] =
+ {
+ 0, 4, 5, 3, 3, 0, 1, 5, 3, 7, 4, 5, 3, 7, 5, 6, 3, 1, 2, 5, 3, 2, 6, 5, -1
+ };
+ const int* theHexTo6[4] = { theHexTo6_1, theHexTo6_2, theHexTo6_3, theHexTo6_4 };
+
+ const int thePyraTo2_1[2*4+1] =
+ {
+ 0, 1, 2, 4, 0, 2, 3, 4, -1
+ };
+ const int thePyraTo2_2[2*4+1] =
+ {
+ 1, 2, 3, 4, 1, 3, 0, 4, -1
+ };
+ const int* thePyraTo2[2] = { thePyraTo2_1, thePyraTo2_2 };
+
+ const int thePentaTo3_1[3*4+1] =
+ {
+ 0, 1, 2, 3, 1, 3, 4, 2, 2, 3, 4, 5, -1
+ };
+ const int thePentaTo3_2[3*4+1] =
+ {
+ 1, 2, 0, 4, 2, 4, 5, 0, 0, 4, 5, 3, -1
+ };
+ const int thePentaTo3_3[3*4+1] =
+ {
+ 2, 0, 1, 5, 0, 5, 3, 1, 1, 5, 3, 4, -1
+ };
+ const int thePentaTo3_4[3*4+1] =
+ {
+ 0, 1, 2, 3, 1, 3, 4, 5, 2, 3, 1, 5, -1
+ };
+ const int thePentaTo3_5[3*4+1] =
+ {
+ 1, 2, 0, 4, 2, 4, 5, 3, 0, 4, 2, 3, -1
+ };
+ const int thePentaTo3_6[3*4+1] =
+ {
+ 2, 0, 1, 5, 0, 5, 3, 4, 1, 5, 0, 4, -1
+ };
+ const int* thePentaTo3[6] = { thePentaTo3_1, thePentaTo3_2, thePentaTo3_3,
+ thePentaTo3_4, thePentaTo3_5, thePentaTo3_6 };
+
+ struct TTriangleFacet //!< stores indices of three nodes of tetra facet
+ {
+ int _n1, _n2, _n3;
+ TTriangleFacet(int n1, int n2, int n3): _n1(n1), _n2(n2), _n3(n3) {}
+ bool contains(int n) const { return ( n == _n1 || n == _n2 || n == _n3 ); }
+ bool hasAdjacentTetra( const SMDS_MeshElement* elem ) const;
+ };
+ struct TSplitMethod
+ {
+ int _nbTetra;
+ const int* _connectivity; //!< foursomes of tetra connectivy finished by -1
+ bool _baryNode; //!< additional node is to be created at cell barycenter
+ bool _ownConn; //!< to delete _connectivity in destructor
+
+ TSplitMethod( int nbTet=0, const int* conn=0, bool addNode=false)
+ : _nbTetra(nbTet), _connectivity(conn), _baryNode(addNode), _ownConn(false) {}
+ ~TSplitMethod() { if ( _ownConn ) delete [] _connectivity; _connectivity = 0; }
+ bool hasFacet( const TTriangleFacet& facet ) const
+ {
+ const int* tetConn = _connectivity;
+ for ( ; tetConn[0] >= 0; tetConn += 4 )
+ if (( facet.contains( tetConn[0] ) +
+ facet.contains( tetConn[1] ) +
+ facet.contains( tetConn[2] ) +
+ facet.contains( tetConn[3] )) == 3 )
+ return true;
+ return false;
+ }
+ };
+
+ //=======================================================================
+ /*!
+ * \brief return TSplitMethod for the given element
+ */
+ //=======================================================================
+
+ TSplitMethod getSplitMethod( SMDS_VolumeTool& vol, const int theMethodFlags)
+ {
+ int iQ = vol.Element()->IsQuadratic() ? 2 : 1;
+
+ // Find out how adjacent volumes are split
+
+ vector < list< TTriangleFacet > > triaSplitsByFace( vol.NbFaces() ); // splits of each side
+ int hasAdjacentSplits = 0, maxTetConnSize = 0;
+ for ( int iF = 0; iF < vol.NbFaces(); ++iF )
+ {
+ int nbNodes = vol.NbFaceNodes( iF ) / iQ;
+ maxTetConnSize += 4 * ( nbNodes - 2 );
+ if ( nbNodes < 4 ) continue;
+
+ list< TTriangleFacet >& triaSplits = triaSplitsByFace[ iF ];
+ const int* nInd = vol.GetFaceNodesIndices( iF );
+ if ( nbNodes == 4 )
+ {
+ TTriangleFacet t012( nInd[0*iQ], nInd[1*iQ], nInd[2*iQ] );
+ TTriangleFacet t123( nInd[1*iQ], nInd[2*iQ], nInd[3*iQ] );
+ if ( t012.hasAdjacentTetra( vol.Element() )) triaSplits.push_back( t012 );
+ else if ( t123.hasAdjacentTetra( vol.Element() )) triaSplits.push_back( t123 );
+ }
+ else
+ {
+ int iCom = 0; // common node of triangle faces to split into
+ for ( int iVar = 0; iVar < nbNodes; ++iVar, ++iCom )
+ {
+ TTriangleFacet t012( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+1)%nbNodes )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )]);
+ TTriangleFacet t023( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )],
+ nInd[ iQ * ( (iCom+3)%nbNodes )]);
+ if ( t012.hasAdjacentTetra( vol.Element() ) && t023.hasAdjacentTetra( vol.Element() ))
+ {
+ triaSplits.push_back( t012 );
+ triaSplits.push_back( t023 );
+ break;
+ }
+ }
+ }
+ if ( !triaSplits.empty() )
+ hasAdjacentSplits = true;
+ }
+
+ // Among variants of split method select one compliant with adjacent volumes
+
+ TSplitMethod method;
+ if ( !vol.Element()->IsPoly() )
+ {
+ int nbVariants = 2, nbTet = 0;
+ const int** connVariants = 0;
+ switch ( vol.Element()->GetEntityType() )
+ {
+ case SMDSEntity_Hexa:
+ case SMDSEntity_Quad_Hexa:
+ if ( theMethodFlags & SMESH_MeshEditor::HEXA_TO_5 )
+ connVariants = theHexTo5, nbTet = 5;
+ else
+ connVariants = theHexTo6, nbTet = 6, nbVariants = 4;
+ break;
+ case SMDSEntity_Pyramid:
+ case SMDSEntity_Quad_Pyramid:
+ connVariants = thePyraTo2; nbTet = 2;
+ break;
+ case SMDSEntity_Penta:
+ case SMDSEntity_Quad_Penta:
+ connVariants = thePentaTo3; nbTet = 3; nbVariants = 6;
+ break;
+ default:
+ nbVariants = 0;
+ }
+ for ( int variant = 0; variant < nbVariants && method._nbTetra == 0; ++variant )
+ {
+ // check method compliancy with adjacent tetras,
+ // all found splits must be among facets of tetras described by this method
+ method = TSplitMethod( nbTet, connVariants[variant] );
+ if ( hasAdjacentSplits && method._nbTetra > 0 )
+ {
+ bool facetCreated = true;
+ for ( int iF = 0; facetCreated && iF < triaSplitsByFace.size(); ++iF )
+ {
+ list< TTriangleFacet >::const_iterator facet = triaSplitsByFace[iF].begin();
+ for ( ; facetCreated && facet != triaSplitsByFace[iF].end(); ++facet )
+ facetCreated = method.hasFacet( *facet );
+ }
+ if ( !facetCreated )
+ method = TSplitMethod(0); // incompatible method
+ }
+ }
+ }
+ if ( method._nbTetra < 1 )
+ {
+ // No standard method is applicable, use a generic solution:
+ // each facet of a volume is split into triangles and
+ // each of triangles and a volume barycenter form a tetrahedron.
+
+ int* connectivity = new int[ maxTetConnSize + 1 ];
+ method._connectivity = connectivity;
+ method._ownConn = true;
+ method._baryNode = true;
+
+ int connSize = 0;
+ int baryCenInd = vol.NbNodes();
+ for ( int iF = 0; iF < vol.NbFaces(); ++iF )
+ {
+ const int nbNodes = vol.NbFaceNodes( iF ) / iQ;
+ const int* nInd = vol.GetFaceNodesIndices( iF );
+ // find common node of triangle facets of tetra to create
+ int iCommon = 0; // index in linear numeration
+ const list< TTriangleFacet >& triaSplits = triaSplitsByFace[ iF ];
+ if ( !triaSplits.empty() )
+ {
+ // by found facets
+ const TTriangleFacet* facet = &triaSplits.front();
+ for ( ; iCommon < nbNodes-1 ; ++iCommon )
+ if ( facet->contains( nInd[ iQ * iCommon ]) &&
+ facet->contains( nInd[ iQ * ((iCommon+2)%nbNodes) ]))
+ break;
+ }
+ else if ( nbNodes > 3 )
+ {
+ // find the best method of splitting into triangles by aspect ratio
+ SMESH::Controls::NumericalFunctorPtr aspectRatio( new SMESH::Controls::AspectRatio);
+ map< double, int > badness2iCommon;
+ const SMDS_MeshNode** nodes = vol.GetFaceNodes( iF );
+ int nbVariants = ( nbNodes == 4 ? 2 : nbNodes );
+ for ( int iVar = 0; iVar < nbVariants; ++iVar, ++iCommon )
+ for ( int iLast = iCommon+2; iLast < iCommon+nbNodes; ++iLast )
+ {
+ SMDS_FaceOfNodes tria ( nodes[ iQ*( iCommon )],
+ nodes[ iQ*((iLast-1)%nbNodes)],
+ nodes[ iQ*((iLast )%nbNodes)]);
+ double badness = getBadRate( &tria, aspectRatio );
+ badness2iCommon.insert( make_pair( badness, iCommon ));
+ }
+ // use iCommon with lowest badness
+ iCommon = badness2iCommon.begin()->second;
+ }
+ if ( iCommon >= nbNodes )
+ iCommon = 0; // something wrong
+ // fill connectivity of tetra
+ int nbTet = nbNodes - 2;
+ for ( int i = 0; i < nbTet; ++i )
+ {
+ int i1 = (iCommon+1+i) % nbNodes, i2 = (iCommon+2+i) % nbNodes;
+ if ( !vol.IsFaceExternal( iF )) swap( i1, i2 );
+ connectivity[ connSize++ ] = nInd[ iQ * iCommon ];
+ connectivity[ connSize++ ] = nInd[ iQ * i1 ];
+ connectivity[ connSize++ ] = nInd[ iQ * i2 ];
+ connectivity[ connSize++ ] = baryCenInd;
+ ++method._nbTetra;
+ }
+ }
+ connectivity[ connSize++ ] = -1;
+ }
+ return method;
+ }
+ //================================================================================
+ /*!
+ * \brief Check if there is a tetraherdon adjacent to the given element via this facet
+ */
+ //================================================================================
+
+ bool TTriangleFacet::hasAdjacentTetra( const SMDS_MeshElement* elem ) const
+ {
+ // find the tetrahedron including the three nodes of facet
+ const SMDS_MeshNode* n1 = elem->GetNode(_n1);
+ const SMDS_MeshNode* n2 = elem->GetNode(_n2);
+ const SMDS_MeshNode* n3 = elem->GetNode(_n3);
+ SMDS_ElemIteratorPtr volIt1 = n1->GetInverseElementIterator(SMDSAbs_Volume);
+ while ( volIt1->more() )
+ {
+ const SMDS_MeshElement* v = volIt1->next();
+ if ( v->GetEntityType() != ( v->IsQuadratic() ? SMDSEntity_Quad_Tetra : SMDSEntity_Tetra ))
+ continue;
+ SMDS_ElemIteratorPtr volIt2 = n2->GetInverseElementIterator(SMDSAbs_Volume);
+ while ( volIt2->more() )
+ if ( v != volIt2->next() )
+ continue;
+ SMDS_ElemIteratorPtr volIt3 = n3->GetInverseElementIterator(SMDSAbs_Volume);
+ while ( volIt3->more() )
+ if ( v == volIt3->next() )
+ return true;
+ }
+ return false;
+ }
+} // namespace
+
+//=======================================================================
+//function : SplitVolumesIntoTetra
+//purpose : Split volumic elements into tetrahedra.
+//=======================================================================
+
+void SMESH_MeshEditor::SplitVolumesIntoTetra (const TIDSortedElemSet & theElems,
+ const int theMethodFlags)
+{
+ // std-like iterator on coordinates of nodes of mesh element
+ typedef SMDS_StdIterator< TNodeXYZ, SMDS_ElemIteratorPtr > NXyzIterator;
+ NXyzIterator xyzEnd;
+
+ SMDS_VolumeTool volTool;
+ SMESH_MesherHelper helper( *GetMesh());
+
+ SMESHDS_SubMesh* subMesh = GetMeshDS()->MeshElements(1);
+ SMESHDS_SubMesh* fSubMesh = subMesh;
+
+ SMESH_SequenceOfElemPtr newNodes, newElems;
+
+ TIDSortedElemSet::const_iterator elem = theElems.begin();
+ for ( ; elem != theElems.end(); ++elem )
+ {
+ SMDSAbs_EntityType geomType = (*elem)->GetEntityType();
+ if ( geomType <= SMDSEntity_Quad_Tetra )
+ continue; // tetra or face or ...
+
+ if ( !volTool.Set( *elem )) continue; // not volume? strange...
+
+ TSplitMethod splitMethod = getSplitMethod( volTool, theMethodFlags );
+ if ( splitMethod._nbTetra < 1 ) continue;
+
+ // find submesh to add new tetras in
+ if ( !subMesh || !subMesh->Contains( *elem ))
+ {
+ int shapeID = FindShape( *elem );
+ helper.SetSubShape( shapeID ); // helper will add tetras to the found submesh
+ subMesh = GetMeshDS()->MeshElements( shapeID );
+ }
+ int iQ;
+ if ( (*elem)->IsQuadratic() )
+ {
+ iQ = 2;
+ // add quadratic links to the helper
+ for ( int iF = 0; iF < volTool.NbFaces(); ++iF )
+ {
+ const SMDS_MeshNode** fNodes = volTool.GetFaceNodes( iF );
+ for ( int iN = 0; iN < volTool.NbFaceNodes( iF ); iN += iQ )
+ helper.AddTLinkNode( fNodes[iF], fNodes[iF+2], fNodes[iF+1] );
+ }
+ helper.SetIsQuadratic( true );
+ }
+ else
+ {
+ iQ = 1;
+ helper.SetIsQuadratic( false );
+ }
+ vector<const SMDS_MeshNode*> nodes( (*elem)->begin_nodes(), (*elem)->end_nodes() );
+ if ( splitMethod._baryNode )
+ {
+ // make a node at barycenter
+ gp_XYZ gc( 0,0,0 );
+ gc = accumulate( NXyzIterator((*elem)->nodesIterator()), xyzEnd, gc ) / nodes.size();
+ SMDS_MeshNode* gcNode = helper.AddNode( gc.X(), gc.Y(), gc.Z() );
+ nodes.push_back( gcNode );
+ newNodes.Append( gcNode );
+ }
+
+ // make tetras
+ helper.SetElementsOnShape( true );
+ vector<const SMDS_MeshElement* > tetras( splitMethod._nbTetra ); // splits of a volume
+ const int* tetConn = splitMethod._connectivity;
+ for ( int i = 0; i < splitMethod._nbTetra; ++i, tetConn += 4 )
+ newElems.Append( tetras[ i ] = helper.AddVolume( nodes[ tetConn[0] ],
+ nodes[ tetConn[1] ],
+ nodes[ tetConn[2] ],
+ nodes[ tetConn[3] ]));
+
+ ReplaceElemInGroups( *elem, tetras, GetMeshDS() );
+
+ // Split faces on sides of the split volume
+
+ const SMDS_MeshNode** volNodes = volTool.GetNodes();
+ for ( int iF = 0; iF < volTool.NbFaces(); ++iF )
+ {
+ const int nbNodes = volTool.NbFaceNodes( iF ) / iQ;
+ if ( nbNodes < 4 ) continue;
+
+ // find an existing face
+ vector<const SMDS_MeshNode*> fNodes( volTool.GetFaceNodes( iF ),
+ volTool.GetFaceNodes( iF ) + nbNodes*iQ );
+ while ( const SMDS_MeshElement* face = GetMeshDS()->FindFace( fNodes ))
+ {
+ // among possible triangles create ones discribed by split method
+ const int* nInd = volTool.GetFaceNodesIndices( iF );
+ int nbVariants = ( nbNodes == 4 ? 2 : nbNodes );
+ int iCom = 0; // common node of triangle faces to split into
+ list< TTriangleFacet > facets;
+ for ( int iVar = 0; iVar < nbVariants; ++iVar, ++iCom )
+ {
+ TTriangleFacet t012( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+1)%nbNodes )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )]);
+ TTriangleFacet t023( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ( (iCom+2)%nbNodes )],
+ nInd[ iQ * ( (iCom+3)%nbNodes )]);
+ if ( splitMethod.hasFacet( t012 ) && splitMethod.hasFacet( t023 ))
+ {
+ facets.push_back( t012 );
+ facets.push_back( t023 );
+ for ( int iLast = iCom+4; iLast < iCom+nbNodes; ++iLast )
+ facets.push_back( TTriangleFacet( nInd[ iQ * ( iCom )],
+ nInd[ iQ * ((iLast-1)%nbNodes )],
+ nInd[ iQ * ((iLast )%nbNodes )]));
+ break;
+ }
+ }
+ // find submesh to add new faces in
+ if ( !fSubMesh || !fSubMesh->Contains( face ))
+ {
+ int shapeID = FindShape( face );
+ fSubMesh = GetMeshDS()->MeshElements( shapeID );
+ }
+ // make triangles
+ helper.SetElementsOnShape( false );
+ vector< const SMDS_MeshElement* > triangles;
+ list< TTriangleFacet >::iterator facet = facets.begin();
+ for ( ; facet != facets.end(); ++facet )
+ {
+ if ( !volTool.IsFaceExternal( iF ))
+ swap( facet->_n2, facet->_n3 );
+ triangles.push_back( helper.AddFace( volNodes[ facet->_n1 ],
+ volNodes[ facet->_n2 ],
+ volNodes[ facet->_n3 ]));
+ if ( triangles.back() && fSubMesh )
+ fSubMesh->AddElement( triangles.back());
+ newElems.Append( triangles.back() );
+ }
+ ReplaceElemInGroups( face, triangles, GetMeshDS() );
+ GetMeshDS()->RemoveFreeElement( face, fSubMesh, /*fromGroups=*/false );
+ }
+
+ } // loop on volume faces to split them into triangles
+
+ GetMeshDS()->RemoveFreeElement( *elem, subMesh, /*fromGroups=*/false );
+
+ } // loop on volumes to split
+
+ myLastCreatedNodes = newNodes;
+ myLastCreatedElems = newElems;
+}
+
//=======================================================================
//function : AddToSameGroups
//purpose : add elemToAdd to the groups the elemInGroups belongs to
}
}
-//=======================================================================
-//function : ReplaceElemInGroups
-//purpose : replace elemToRm by elemToAdd in the all groups
-//=======================================================================
+//================================================================================
+/*!
+ * \brief Replace elemToRm by elemToAdd in the all groups
+ */
+//================================================================================
void SMESH_MeshEditor::ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
const SMDS_MeshElement* elemToAdd,
}
}
+//================================================================================
+/*!
+ * \brief Replace elemToRm by elemToAdd in the all groups
+ */
+//================================================================================
+
+void SMESH_MeshEditor::ReplaceElemInGroups (const SMDS_MeshElement* elemToRm,
+ const vector<const SMDS_MeshElement*>& elemToAdd,
+ SMESHDS_Mesh * aMesh)
+{
+ const set<SMESHDS_GroupBase*>& groups = aMesh->GetGroups();
+ if (!groups.empty())
+ {
+ set<SMESHDS_GroupBase*>::const_iterator grIt = groups.begin();
+ for ( ; grIt != groups.end(); grIt++ ) {
+ SMESHDS_Group* group = dynamic_cast<SMESHDS_Group*>( *grIt );
+ if ( group && group->SMDSGroup().Remove( elemToRm ) )
+ for ( int i = 0; i < elemToAdd.size(); ++i )
+ group->SMDSGroup().Add( elemToAdd[ i ] );
+ }
+ }
+}
+
//=======================================================================
//function : QuadToTri
//purpose : Cut quadrangles into triangles.
// and able to return nodes by that ID
// =================================================
class LinkID_Gen {
- public:
+public:
LinkID_Gen( const SMESHDS_Mesh* theMesh )
:myMesh( theMesh ), myMaxID( theMesh->MaxNodeID() + 1)
return true;
}
- private:
+private:
LinkID_Gen();
const SMESHDS_Mesh* myMesh;
long myMaxID;
//=============================================================================
static void swap( int i1, int i2, int idNodes[], gp_Pnt P[] )
{
- if ( i1 == i2 )
- return;
- int tmp = idNodes[ i1 ];
- idNodes[ i1 ] = idNodes[ i2 ];
- idNodes[ i2 ] = tmp;
- gp_Pnt Ptmp = P[ i1 ];
- P[ i1 ] = P[ i2 ];
- P[ i2 ] = Ptmp;
- DUMPSO( i1 << "(" << idNodes[ i2 ] << ") <-> " << i2 << "(" << idNodes[ i1 ] << ")");
+if ( i1 == i2 )
+return;
+int tmp = idNodes[ i1 ];
+idNodes[ i1 ] = idNodes[ i2 ];
+idNodes[ i2 ] = tmp;
+gp_Pnt Ptmp = P[ i1 ];
+P[ i1 ] = P[ i2 ];
+P[ i2 ] = Ptmp;
+DUMPSO( i1 << "(" << idNodes[ i2 ] << ") <-> " << i2 << "(" << idNodes[ i1 ] << ")");
}
//=======================================================================
//=======================================================================
int SMESH_MeshEditor::SortQuadNodes (const SMDS_Mesh * theMesh,
- int idNodes[] )
+int idNodes[] )
{
gp_Pnt P[4];
int i;
i = 1;
swap ( i, i + 1, idNodes, P );
-// for ( int ii = 0; ii < 4; ii++ ) {
-// const SMDS_MeshNode *n = theMesh->FindNode( idNodes[ii] );
-// DUMPSO( ii << "(" << idNodes[ii] <<") : "<<n->X()<<" "<<n->Y()<<" "<<n->Z());
-// }
+ // for ( int ii = 0; ii < 4; ii++ ) {
+ // const SMDS_MeshNode *n = theMesh->FindNode( idNodes[ii] );
+ // DUMPSO( ii << "(" << idNodes[ii] <<") : "<<n->X()<<" "<<n->Y()<<" "<<n->Z());
+ // }
}
return i;
}
faceNodes.insert( idNodes[ 2 ] );
faceNodes.insert( idNodes[ iMin ] );
DUMPSO( "loop " << iLoop2 << " id2 " << idNodes[ 1 ] << " id3 " << idNodes[ 2 ]
- << " leastDist = " << leastDist);
+ << " leastDist = " << leastDist);
if ( leastDist <= DBL_MIN )
break;
}
P[ i ] = P[ i+1 ];
P[ i+1 ] = Ptmp;
}
-// else
-// for ( int ii = 0; ii < 4; ii++ ) {
-// const SMDS_MeshNode *n = theMesh->FindNode( idNodes[ii] );
-// DUMPSO( ii << "(" << idNodes[ii] <<") : "<<n->X()<<" "<<n->Y()<<" "<<n->Z());
-// }
+ // else
+ // for ( int ii = 0; ii < 4; ii++ ) {
+ // const SMDS_MeshNode *n = theMesh->FindNode( idNodes[ii] );
+ // DUMPSO( ii << "(" << idNodes[ii] <<") : "<<n->X()<<" "<<n->Y()<<" "<<n->Z());
+ // }
// Gravity center of the top and bottom faces
gp_Pnt aGCb = ( P[0].XYZ() + P[1].XYZ() + P[2].XYZ() + P[3].XYZ() ) / 4.;
swap( 5, 7, idNodes, P );
}
-// DUMPSO( "OUTPUT: ========================================");
-// for ( i = 0; i < 8; i++ ) {
-// float *p = ugrid->GetPoint(idNodes[i]);
-// DUMPSO( i << "(" << idNodes[i] << ") : " << p[0] << " " << p[1] << " " << p[2]);
-// }
+ // DUMPSO( "OUTPUT: ========================================");
+ // for ( i = 0; i < 8; i++ ) {
+ // float *p = ugrid->GetPoint(idNodes[i]);
+ // DUMPSO( i << "(" << idNodes[i] << ") : " << p[0] << " " << p[1] << " " << p[2]);
+ // }
return true;
}*/
//================================================================================
/*!
* \brief Return nodes linked to the given one
- * \param theNode - the node
- * \param linkedNodes - the found nodes
- * \param type - the type of elements to check
- *
- * Medium nodes are ignored
+ * \param theNode - the node
+ * \param linkedNodes - the found nodes
+ * \param type - the type of elements to check
+ *
+ * Medium nodes are ignored
*/
//================================================================================
}
int nbElemOnFace = 0;
itElem = theElems.begin();
- // loop on not yet smoothed elements: look for elems on a face
+ // loop on not yet smoothed elements: look for elems on a face
while ( itElem != theElems.end() ) {
if ( faceSubMesh && nbElemOnFace == faceSubMesh->NbElements() )
break; // all elements found
const SMDS_MeshElement* elem = *itElem;
if ( !elem || elem->GetType() != SMDSAbs_Face || elem->NbNodes() < 3 ||
- ( faceSubMesh && !faceSubMesh->Contains( elem ))) {
+ ( faceSubMesh && !faceSubMesh->Contains( elem ))) {
++itElem;
continue;
}
if ( uvMap.find( node ) == uvMap.end() )
uvCheckNodes.push_back( node );
// add nodes of elems sharing node
-// SMDS_ElemIteratorPtr eIt = node->GetInverseElementIterator(SMDSAbs_Face);
-// while ( eIt->more() ) {
-// const SMDS_MeshElement* e = eIt->next();
-// if ( e != elem ) {
-// SMDS_ElemIteratorPtr nIt = e->nodesIterator();
-// while ( nIt->more() ) {
-// const SMDS_MeshNode* n =
-// static_cast<const SMDS_MeshNode*>( nIt->next() );
-// if ( uvMap.find( n ) == uvMap.end() )
-// uvCheckNodes.push_back( n );
-// }
-// }
-// }
+ // SMDS_ElemIteratorPtr eIt = node->GetInverseElementIterator(SMDSAbs_Face);
+ // while ( eIt->more() ) {
+ // const SMDS_MeshElement* e = eIt->next();
+ // if ( e != elem ) {
+ // SMDS_ElemIteratorPtr nIt = e->nodesIterator();
+ // while ( nIt->more() ) {
+ // const SMDS_MeshNode* n =
+ // static_cast<const SMDS_MeshNode*>( nIt->next() );
+ // if ( uvMap.find( n ) == uvMap.end() )
+ // uvCheckNodes.push_back( n );
+ // }
+ // }
+ // }
}
// check UV on face
list< const SMDS_MeshNode* >::iterator n = uvCheckNodes.begin();
return;
}
- issimple[iNode] = (listNewNodes.size()==nbSteps);
+ issimple[iNode] = (listNewNodes.size()==nbSteps); // is node medium
itNN[ iNode ] = listNewNodes.begin();
prevNod[ iNode ] = node;
nextNod[ iNode ] = listNewNodes.front();
- if( !issimple[iNode] ) {
+ if( !elem->IsQuadratic() || !issimple[iNode] ) {
if ( prevNod[ iNode ] != nextNod [ iNode ])
- iNotSameNode = iNode;
+ iNotSameNode = iNode;
else {
- iSameNode = iNode;
- //nbSame++;
- sames[nbSame++] = iNode;
+ iSameNode = iNode;
+ //nbSame++;
+ sames[nbSame++] = iNode;
}
}
}
//cout<<" nbSame = "<<nbSame<<endl;
if ( nbSame == nbNodes || nbSame > 2) {
- //MESSAGE( " Too many same nodes of element " << elem->GetID() );
- INFOS( " Too many same nodes of element " << elem->GetID() );
+ MESSAGE( " Too many same nodes of element " << elem->GetID() );
+ //INFOS( " Too many same nodes of element " << elem->GetID() );
return;
}
-// if( elem->IsQuadratic() && nbSame>0 ) {
-// MESSAGE( "Can not rotate quadratic element " << elem->GetID() );
-// return;
-// }
+ // if( elem->IsQuadratic() && nbSame>0 ) {
+ // MESSAGE( "Can not rotate quadratic element " << elem->GetID() );
+ // return;
+ // }
int iBeforeSame = 0, iAfterSame = 0, iOpposSame = 0;
int nbBaseNodes = ( elem->IsQuadratic() ? nbNodes/2 : nbNodes );
iOpposSame = ( iSameNode - 2 < 0 ? iSameNode + 2 : iSameNode - 2 );
}
-//if(nbNodes==8)
-//cout<<" prevNod[0]="<< prevNod[0]<<" prevNod[1]="<< prevNod[1]
-// <<" prevNod[2]="<< prevNod[2]<<" prevNod[3]="<< prevNod[4]
-// <<" prevNod[4]="<< prevNod[4]<<" prevNod[5]="<< prevNod[5]
-// <<" prevNod[6]="<< prevNod[6]<<" prevNod[7]="<< prevNod[7]<<endl;
+ //if(nbNodes==8)
+ //cout<<" prevNod[0]="<< prevNod[0]<<" prevNod[1]="<< prevNod[1]
+ // <<" prevNod[2]="<< prevNod[2]<<" prevNod[3]="<< prevNod[4]
+ // <<" prevNod[4]="<< prevNod[4]<<" prevNod[5]="<< prevNod[5]
+ // <<" prevNod[6]="<< prevNod[6]<<" prevNod[7]="<< prevNod[7]<<endl;
// check element orientation
int i0 = 0, i2 = 2;
else if(nbSame==1) { // quadratic triangle
if(sames[0]==2) {
return; // medium node on axis
- }
+ }
else if(sames[0]==0) {
aNewElem = aMesh->AddFace(prevNod[0], nextNod[1], prevNod[1],
nextNod[2], midlNod[1], prevNod[2]);
}
else {
return;
- }
+ }
}
break;
}
}
case 6: { // quadratic triangle
// create pentahedron with 15 nodes
- if(nbSame==0) {
- if(i0>0) { // reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[2], prevNod[1],
- nextNod[0], nextNod[2], nextNod[1],
- prevNod[5], prevNod[4], prevNod[3],
- nextNod[5], nextNod[4], nextNod[3],
- midlNod[0], midlNod[2], midlNod[1]);
- }
- else { // not reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2],
- nextNod[0], nextNod[1], nextNod[2],
- prevNod[3], prevNod[4], prevNod[5],
- nextNod[3], nextNod[4], nextNod[5],
- midlNod[0], midlNod[1], midlNod[2]);
- }
- }
- else if(nbSame==1) {
- // 2d order pyramid of 13 nodes
- //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4, int n5,
+ if(nbSame==0) {
+ if(i0>0) { // reversed case
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[2], prevNod[1],
+ nextNod[0], nextNod[2], nextNod[1],
+ prevNod[5], prevNod[4], prevNod[3],
+ nextNod[5], nextNod[4], nextNod[3],
+ midlNod[0], midlNod[2], midlNod[1]);
+ }
+ else { // not reversed case
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2],
+ nextNod[0], nextNod[1], nextNod[2],
+ prevNod[3], prevNod[4], prevNod[5],
+ nextNod[3], nextNod[4], nextNod[5],
+ midlNod[0], midlNod[1], midlNod[2]);
+ }
+ }
+ else if(nbSame==1) {
+ // 2d order pyramid of 13 nodes
+ //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4, int n5,
// int n12,int n23,int n34,int n41,
// int n15,int n25,int n35,int n45, int ID);
- int n5 = iSameNode;
- int n1,n4,n41,n15,n45;
- if(i0>0) { // reversed case
- n1 = ( n5 + 1 == nbBaseNodes ? 0 : n5 + 1 );
- n4 = ( n5 == 0 ? nbBaseNodes - 1 : n5 - 1 );
- n41 = n1 + 3;
- n15 = n5 + 3;
- n45 = n4 + 3;
- }
- else {
- n1 = ( n5 == 0 ? nbBaseNodes - 1 : n5 - 1 );
- n4 = ( n5 + 1 == nbBaseNodes ? 0 : n5 + 1 );
- n41 = n4 + 3;
- n15 = n1 + 3;
- n45 = n5 + 3;
- }
- aNewElem = aMesh->AddVolume(prevNod[n1], nextNod[n1],
- nextNod[n4], prevNod[n4], prevNod[n5],
- midlNod[n1], nextNod[n41],
- midlNod[n4], prevNod[n41],
- prevNod[n15], nextNod[n15],
- nextNod[n45], prevNod[n45]);
- }
- else if(nbSame==2) {
- // 2d order tetrahedron of 10 nodes
- //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4,
- // int n12,int n23,int n31,
- // int n14,int n24,int n34, int ID);
- int n1 = iNotSameNode;
- int n2,n3,n12,n23,n31;
- if(i0>0) { // reversed case
- n2 = ( n1 == 0 ? nbBaseNodes - 1 : n1 - 1 );
- n3 = ( n1 + 1 == nbBaseNodes ? 0 : n1 + 1 );
- n12 = n2 + 3;
- n23 = n3 + 3;
- n31 = n1 + 3;
- }
- else {
- n2 = ( n1 + 1 == nbBaseNodes ? 0 : n1 + 1 );
- n3 = ( n1 == 0 ? nbBaseNodes - 1 : n1 - 1 );
- n12 = n1 + 3;
- n23 = n2 + 3;
- n31 = n3 + 3;
- }
- aNewElem = aMesh->AddVolume (prevNod[n1], prevNod[n2], prevNod[n3], nextNod[n1],
- prevNod[n12], prevNod[n23], prevNod[n31],
- midlNod[n1], nextNod[n12], nextNod[n31]);
- }
+ int n5 = iSameNode;
+ int n1,n4,n41,n15,n45;
+ if(i0>0) { // reversed case
+ n1 = ( n5 + 1 == nbBaseNodes ? 0 : n5 + 1 );
+ n4 = ( n5 == 0 ? nbBaseNodes - 1 : n5 - 1 );
+ n41 = n1 + 3;
+ n15 = n5 + 3;
+ n45 = n4 + 3;
+ }
+ else {
+ n1 = ( n5 == 0 ? nbBaseNodes - 1 : n5 - 1 );
+ n4 = ( n5 + 1 == nbBaseNodes ? 0 : n5 + 1 );
+ n41 = n4 + 3;
+ n15 = n1 + 3;
+ n45 = n5 + 3;
+ }
+ aNewElem = aMesh->AddVolume(prevNod[n1], nextNod[n1],
+ nextNod[n4], prevNod[n4], prevNod[n5],
+ midlNod[n1], nextNod[n41],
+ midlNod[n4], prevNod[n41],
+ prevNod[n15], nextNod[n15],
+ nextNod[n45], prevNod[n45]);
+ }
+ else if(nbSame==2) {
+ // 2d order tetrahedron of 10 nodes
+ //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4,
+ // int n12,int n23,int n31,
+ // int n14,int n24,int n34, int ID);
+ int n1 = iNotSameNode;
+ int n2,n3,n12,n23,n31;
+ if(i0>0) { // reversed case
+ n2 = ( n1 == 0 ? nbBaseNodes - 1 : n1 - 1 );
+ n3 = ( n1 + 1 == nbBaseNodes ? 0 : n1 + 1 );
+ n12 = n2 + 3;
+ n23 = n3 + 3;
+ n31 = n1 + 3;
+ }
+ else {
+ n2 = ( n1 + 1 == nbBaseNodes ? 0 : n1 + 1 );
+ n3 = ( n1 == 0 ? nbBaseNodes - 1 : n1 - 1 );
+ n12 = n1 + 3;
+ n23 = n2 + 3;
+ n31 = n3 + 3;
+ }
+ aNewElem = aMesh->AddVolume (prevNod[n1], prevNod[n2], prevNod[n3], nextNod[n1],
+ prevNod[n12], prevNod[n23], prevNod[n31],
+ midlNod[n1], nextNod[n12], nextNod[n31]);
+ }
break;
}
case 8: { // quadratic quadrangle
- if(nbSame==0) {
- // create hexahedron with 20 nodes
- if(i0>0) { // reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[3], prevNod[2], prevNod[1],
- nextNod[0], nextNod[3], nextNod[2], nextNod[1],
- prevNod[7], prevNod[6], prevNod[5], prevNod[4],
- nextNod[7], nextNod[6], nextNod[5], nextNod[4],
- midlNod[0], midlNod[3], midlNod[2], midlNod[1]);
- }
- else { // not reversed case
- aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2], prevNod[3],
- nextNod[0], nextNod[1], nextNod[2], nextNod[3],
- prevNod[4], prevNod[5], prevNod[6], prevNod[7],
- nextNod[4], nextNod[5], nextNod[6], nextNod[7],
- midlNod[0], midlNod[1], midlNod[2], midlNod[3]);
- }
- }
- else if(nbSame==1) {
- // --- pyramid + pentahedron - can not be created since it is needed
- // additional middle node ot the center of face
- INFOS( " Sweep for face " << elem->GetID() << " can not be created" );
- return;
- }
- else if(nbSame==2) {
- // 2d order Pentahedron with 15 nodes
- //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4, int n5, int n6,
+ if(nbSame==0) {
+ // create hexahedron with 20 nodes
+ if(i0>0) { // reversed case
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[3], prevNod[2], prevNod[1],
+ nextNod[0], nextNod[3], nextNod[2], nextNod[1],
+ prevNod[7], prevNod[6], prevNod[5], prevNod[4],
+ nextNod[7], nextNod[6], nextNod[5], nextNod[4],
+ midlNod[0], midlNod[3], midlNod[2], midlNod[1]);
+ }
+ else { // not reversed case
+ aNewElem = aMesh->AddVolume (prevNod[0], prevNod[1], prevNod[2], prevNod[3],
+ nextNod[0], nextNod[1], nextNod[2], nextNod[3],
+ prevNod[4], prevNod[5], prevNod[6], prevNod[7],
+ nextNod[4], nextNod[5], nextNod[6], nextNod[7],
+ midlNod[0], midlNod[1], midlNod[2], midlNod[3]);
+ }
+ }
+ else if(nbSame==1) {
+ // --- pyramid + pentahedron - can not be created since it is needed
+ // additional middle node ot the center of face
+ INFOS( " Sweep for face " << elem->GetID() << " can not be created" );
+ return;
+ }
+ else if(nbSame==2) {
+ // 2d order Pentahedron with 15 nodes
+ //SMDS_MeshVolume* AddVolumeWithID(int n1, int n2, int n3, int n4, int n5, int n6,
// int n12,int n23,int n31,int n45,int n56,int n64,
// int n14,int n25,int n36, int ID);
- int n1,n2,n4,n5;
+ int n1,n2,n4,n5;
if ( prevNod[ iBeforeSame ] == nextNod[ iBeforeSame ] ) {
// iBeforeSame is same too
- n1 = iBeforeSame;
- n2 = iOpposSame;
- n4 = iSameNode;
- n5 = iAfterSame;
- }
- else {
+ n1 = iBeforeSame;
+ n2 = iOpposSame;
+ n4 = iSameNode;
+ n5 = iAfterSame;
+ }
+ else {
// iAfterSame is same too
- n1 = iSameNode;
- n2 = iBeforeSame;
- n4 = iAfterSame;
- n5 = iOpposSame;
- }
- int n12,n45,n14,n25;
- if(i0>0) { //reversed case
- n12 = n1 + 4;
- n45 = n5 + 4;
- n14 = n4 + 4;
- n25 = n2 + 4;
- }
- else {
- n12 = n2 + 4;
- n45 = n4 + 4;
- n14 = n1 + 4;
- n25 = n5 + 4;
- }
- aNewElem = aMesh->AddVolume (prevNod[n1], prevNod[n2], nextNod[n2],
- prevNod[n4], prevNod[n5], nextNod[n5],
- prevNod[n12], midlNod[n2], nextNod[n12],
- prevNod[n45], midlNod[n5], nextNod[n45],
- prevNod[n14], prevNod[n25], nextNod[n25]);
- }
+ n1 = iSameNode;
+ n2 = iBeforeSame;
+ n4 = iAfterSame;
+ n5 = iOpposSame;
+ }
+ int n12,n45,n14,n25;
+ if(i0>0) { //reversed case
+ n12 = n1 + 4;
+ n45 = n5 + 4;
+ n14 = n4 + 4;
+ n25 = n2 + 4;
+ }
+ else {
+ n12 = n2 + 4;
+ n45 = n4 + 4;
+ n14 = n1 + 4;
+ n25 = n5 + 4;
+ }
+ aNewElem = aMesh->AddVolume (prevNod[n1], prevNod[n2], nextNod[n2],
+ prevNod[n4], prevNod[n5], nextNod[n5],
+ prevNod[n12], midlNod[n2], nextNod[n12],
+ prevNod[n45], midlNod[n5], nextNod[n45],
+ prevNod[n14], prevNod[n25], nextNod[n25]);
+ }
break;
}
default: {
if ( !f ) {
myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4],
nodes[1], nodes[3], nodes[5]));
- }
+ }
else if ( nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 )) {
- const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[6];
- tmpnodes[0] = nodes[0];
- tmpnodes[1] = nodes[2];
- tmpnodes[2] = nodes[4];
- tmpnodes[3] = nodes[1];
- tmpnodes[4] = nodes[3];
- tmpnodes[5] = nodes[5];
+ const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[6];
+ tmpnodes[0] = nodes[0];
+ tmpnodes[1] = nodes[2];
+ tmpnodes[2] = nodes[4];
+ tmpnodes[3] = nodes[1];
+ tmpnodes[4] = nodes[3];
+ tmpnodes[5] = nodes[5];
aMesh->ChangeElementNodes( f, tmpnodes, nbn );
- }
+ }
}
else { /////// quadratic quadrangle
const SMDS_MeshFace * f = aMesh->FindFace( nodes[0], nodes[2], nodes[4], nodes[6],
if ( !f ) {
myLastCreatedElems.Append(aMesh->AddFace(nodes[0], nodes[2], nodes[4], nodes[6],
nodes[1], nodes[3], nodes[5], nodes[7]));
- }
+ }
else if ( nodes[ 2 ] != f->GetNodeWrap( f->GetNodeIndex( nodes[ 0 ] ) + 1 )) {
- const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[8];
- tmpnodes[0] = nodes[0];
- tmpnodes[1] = nodes[2];
- tmpnodes[2] = nodes[4];
- tmpnodes[3] = nodes[6];
- tmpnodes[4] = nodes[1];
- tmpnodes[5] = nodes[3];
- tmpnodes[6] = nodes[5];
- tmpnodes[7] = nodes[7];
+ const SMDS_MeshNode** tmpnodes = new const SMDS_MeshNode*[8];
+ tmpnodes[0] = nodes[0];
+ tmpnodes[1] = nodes[2];
+ tmpnodes[2] = nodes[4];
+ tmpnodes[3] = nodes[6];
+ tmpnodes[4] = nodes[1];
+ tmpnodes[5] = nodes[3];
+ tmpnodes[6] = nodes[5];
+ tmpnodes[7] = nodes[7];
aMesh->ChangeElementNodes( f, tmpnodes, nbn );
- }
+ }
}
}
else { //////// polygon
newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
myLastCreatedNodes.Append(newNode);
srcNodes.Append( node );
- listNewNodes.push_back( newNode );
+ listNewNodes.push_back( newNode );
+ }
+ else {
+ listNewNodes.push_back( newNode );
+ if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
+ listNewNodes.push_back( newNode );
+ }
}
- else {
- listNewNodes.push_back( newNode );
- if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- listNewNodes.push_back( newNode );
- }
- }
}
}
/*
- else {
+ else {
// if current elem is quadratic and current node is not medium
// we have to check - may be it is needed to insert additional nodes
if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
- list< const SMDS_MeshNode* > & listNewNodes = nIt->second;
- if(listNewNodes.size()==theNbSteps) {
- listNewNodes.clear();
- // make new nodes
- //gp_XYZ aXYZ( node->X(), node->Y(), node->Z() );
- //double coord[3];
- //aXYZ.Coord( coord[0], coord[1], coord[2] );
- const SMDS_MeshNode * newNode = node;
- if ( !isOnAxis ) {
- for(int i = 0; i<theNbSteps; i++) {
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
- newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- cout<<" 3 AddNode: "<<newNode;
- myLastCreatedNodes.Append(newNode);
- listNewNodes.push_back( newNode );
- srcNodes.Append( node );
- aTrsf2.Transforms( coord[0], coord[1], coord[2] );
- newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
- cout<<" 4 AddNode: "<<newNode;
- myLastCreatedNodes.Append(newNode);
- srcNodes.Append( node );
- listNewNodes.push_back( newNode );
- }
- }
- else {
- listNewNodes.push_back( newNode );
- }
- }
+ list< const SMDS_MeshNode* > & listNewNodes = nIt->second;
+ if(listNewNodes.size()==theNbSteps) {
+ listNewNodes.clear();
+ // make new nodes
+ //gp_XYZ aXYZ( node->X(), node->Y(), node->Z() );
+ //double coord[3];
+ //aXYZ.Coord( coord[0], coord[1], coord[2] );
+ const SMDS_MeshNode * newNode = node;
+ if ( !isOnAxis ) {
+ for(int i = 0; i<theNbSteps; i++) {
+ aTrsf2.Transforms( coord[0], coord[1], coord[2] );
+ newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
+ cout<<" 3 AddNode: "<<newNode;
+ myLastCreatedNodes.Append(newNode);
+ listNewNodes.push_back( newNode );
+ srcNodes.Append( node );
+ aTrsf2.Transforms( coord[0], coord[1], coord[2] );
+ newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
+ cout<<" 4 AddNode: "<<newNode;
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ listNewNodes.push_back( newNode );
+ }
+ }
+ else {
+ listNewNodes.push_back( newNode );
+ }
+ }
+ }
}
- }
*/
newNodesItVec.push_back( nIt );
}
if ( theMakeWalls )
makeWalls( mapNewNodes, newElemsMap, mapElemNewNodes, theElems, theNbSteps, srcElems );
-
+
PGroupIDs newGroupIDs;
if ( theMakeGroups )
newGroupIDs = generateGroups( srcNodes, srcElems, "rotated");
//=======================================================================
class SMESH_MeshEditor_PathPoint {
public:
- SMESH_MeshEditor_PathPoint() {
- myPnt.SetCoord(99., 99., 99.);
- myTgt.SetCoord(1.,0.,0.);
- myAngle=0.;
- myPrm=0.;
- }
- void SetPnt(const gp_Pnt& aP3D){
- myPnt=aP3D;
- }
- void SetTangent(const gp_Dir& aTgt){
- myTgt=aTgt;
- }
- void SetAngle(const double& aBeta){
- myAngle=aBeta;
- }
- void SetParameter(const double& aPrm){
- myPrm=aPrm;
- }
- const gp_Pnt& Pnt()const{
- return myPnt;
- }
- const gp_Dir& Tangent()const{
- return myTgt;
- }
- double Angle()const{
- return myAngle;
- }
- double Parameter()const{
- return myPrm;
- }
-
-protected:
- gp_Pnt myPnt;
- gp_Dir myTgt;
- double myAngle;
- double myPrm;
-};
-*/
-
-//=======================================================================
-//function : ExtrusionAlongTrack
+SMESH_MeshEditor_PathPoint() {
+myPnt.SetCoord(99., 99., 99.);
+myTgt.SetCoord(1.,0.,0.);
+myAngle=0.;
+myPrm=0.;
+}
+void SetPnt(const gp_Pnt& aP3D){
+myPnt=aP3D;
+}
+void SetTangent(const gp_Dir& aTgt){
+myTgt=aTgt;
+}
+void SetAngle(const double& aBeta){
+myAngle=aBeta;
+}
+void SetParameter(const double& aPrm){
+myPrm=aPrm;
+}
+const gp_Pnt& Pnt()const{
+return myPnt;
+}
+const gp_Dir& Tangent()const{
+return myTgt;
+}
+double Angle()const{
+return myAngle;
+}
+double Parameter()const{
+return myPrm;
+}
+
+protected:
+gp_Pnt myPnt;
+gp_Dir myTgt;
+double myAngle;
+double myPrm;
+};
+*/
+
+//=======================================================================
+//function : ExtrusionAlongTrack
//purpose :
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
- SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
- SMESH_subMesh* theTrack,
- const SMDS_MeshNode* theN1,
- const bool theHasAngles,
- list<double>& theAngles,
- const bool theLinearVariation,
- const bool theHasRefPoint,
- const gp_Pnt& theRefPoint,
- const bool theMakeGroups)
+SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+ SMESH_subMesh* theTrack,
+ const SMDS_MeshNode* theN1,
+ const bool theHasAngles,
+ list<double>& theAngles,
+ const bool theLinearVariation,
+ const bool theHasRefPoint,
+ const gp_Pnt& theRefPoint,
+ const bool theMakeGroups)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
while ( aItN->more() ) {
const SMDS_MeshNode* pNode = aItN->next();
const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
double aT = pEPos->GetUParameter();
aPrms.push_back( aT );
}
//Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
+ MakeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
}
else if( aS.ShapeType() == TopAbs_WIRE ) {
list< SMESH_subMesh* > LSM;
int k = 0;
list< SMESH_subMesh* >::iterator itLSM = LSM.begin();
for(; itLSM!=LSM.end(); itLSM++) {
- k++;
- if(UsedNums.Contains(k)) continue;
- aTrackEdge = TopoDS::Edge( Edges.Value(k) );
- SMESH_subMesh* locTrack = *itLSM;
- SMESHDS_SubMesh* locMeshDS = locTrack->GetSubMeshDS();
- TopExp::Vertices( aTrackEdge, aV1, aV2 );
- aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN1 = aItN->next();
- aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN2 = aItN->next();
- // starting node must be aN1 or aN2
- if ( !( aN1->GetID() == startNid || aN2->GetID() == startNid ) ) continue;
- // 2. Collect parameters on the track edge
- aPrms.clear();
- aItN = locMeshDS->GetNodes();
- while ( aItN->more() ) {
- const SMDS_MeshNode* pNode = aItN->next();
- const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
- double aT = pEPos->GetUParameter();
- aPrms.push_back( aT );
- }
- list<SMESH_MeshEditor_PathPoint> LPP;
- //Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
- LLPPs.push_back(LPP);
- UsedNums.Add(k);
- // update startN for search following egde
- if( aN1->GetID() == startNid ) startNid = aN2->GetID();
- else startNid = aN1->GetID();
- break;
+ k++;
+ if(UsedNums.Contains(k)) continue;
+ aTrackEdge = TopoDS::Edge( Edges.Value(k) );
+ SMESH_subMesh* locTrack = *itLSM;
+ SMESHDS_SubMesh* locMeshDS = locTrack->GetSubMeshDS();
+ TopExp::Vertices( aTrackEdge, aV1, aV2 );
+ aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
+ const SMDS_MeshNode* aN1 = aItN->next();
+ aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
+ const SMDS_MeshNode* aN2 = aItN->next();
+ // starting node must be aN1 or aN2
+ if ( !( aN1->GetID() == startNid || aN2->GetID() == startNid ) ) continue;
+ // 2. Collect parameters on the track edge
+ aPrms.clear();
+ aItN = locMeshDS->GetNodes();
+ while ( aItN->more() ) {
+ const SMDS_MeshNode* pNode = aItN->next();
+ const SMDS_EdgePosition* pEPos =
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ double aT = pEPos->GetUParameter();
+ aPrms.push_back( aT );
+ }
+ list<SMESH_MeshEditor_PathPoint> LPP;
+ //Extrusion_Error err =
+ MakeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
+ LLPPs.push_back(LPP);
+ UsedNums.Add(k);
+ // update startN for search following egde
+ if( aN1->GetID() == startNid ) startNid = aN2->GetID();
+ else startNid = aN1->GetID();
+ break;
}
}
list< list<SMESH_MeshEditor_PathPoint> >::iterator itLLPP = LLPPs.begin();
gp_Dir D1 = PP1.Tangent();
gp_Dir D2 = PP2.Tangent();
gp_Dir Dnew( gp_Vec( (D1.X()+D2.X())/2, (D1.Y()+D2.Y())/2,
- (D1.Z()+D2.Z())/2 ) );
+ (D1.Z()+D2.Z())/2 ) );
PP1.SetTangent(Dnew);
fullList.push_back(PP1);
itPP++;
for(; itPP!=firstList.end(); itPP++) {
- fullList.push_back( *itPP );
+ fullList.push_back( *itPP );
}
PP1 = fullList.back();
fullList.pop_back();
}
return MakeExtrElements(theElements, fullList, theHasAngles, theAngles, theLinearVariation,
- theHasRefPoint, theRefPoint, theMakeGroups);
+ theHasRefPoint, theRefPoint, theMakeGroups);
}
//purpose :
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
- SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
- SMESH_Mesh* theTrack,
- const SMDS_MeshNode* theN1,
- const bool theHasAngles,
- list<double>& theAngles,
- const bool theLinearVariation,
- const bool theHasRefPoint,
- const gp_Pnt& theRefPoint,
- const bool theMakeGroups)
+SMESH_MeshEditor::ExtrusionAlongTrack (TIDSortedElemSet & theElements,
+ SMESH_Mesh* theTrack,
+ const SMDS_MeshNode* theN1,
+ const bool theHasAngles,
+ list<double>& theAngles,
+ const bool theLinearVariation,
+ const bool theHasRefPoint,
+ const gp_Pnt& theRefPoint,
+ const bool theMakeGroups)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
const SMDS_MeshNode* pNode = aItN->next();
if( pNode==aN1 || pNode==aN2 ) continue;
const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
double aT = pEPos->GetUParameter();
aPrms.push_back( aT );
}
//Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
+ MakeEdgePathPoints(aPrms, aTrackEdge, (aN1==theN1), fullList);
}
else if( aS.ShapeType() == TopAbs_WIRE ) {
list< SMESH_subMesh* > LSM;
if( BRep_Tool::Degenerated(E) ) continue;
SMESH_subMesh* SM = theTrack->GetSubMesh(E);
if(SM) {
- LSM.push_back(SM);
- Edges.Append(E);
+ LSM.push_back(SM);
+ Edges.Append(E);
}
}
list< list<SMESH_MeshEditor_PathPoint> > LLPPs;
int k = 0;
list< SMESH_subMesh* >::iterator itLSM = LSM.begin();
for(; itLSM!=LSM.end(); itLSM++) {
- k++;
- if(UsedNums.Contains(k)) continue;
- aTrackEdge = TopoDS::Edge( Edges.Value(k) );
- SMESH_subMesh* locTrack = *itLSM;
- SMESHDS_SubMesh* locMeshDS = locTrack->GetSubMeshDS();
- TopExp::Vertices( aTrackEdge, aV1, aV2 );
- aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN1 = aItN->next();
- aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
- const SMDS_MeshNode* aN2 = aItN->next();
- // starting node must be aN1 or aN2
- if ( !( aN1->GetID() == startNid || aN2->GetID() == startNid ) ) continue;
- // 2. Collect parameters on the track edge
- aPrms.clear();
- aItN = locMeshDS->GetNodes();
- while ( aItN->more() ) {
- const SMDS_MeshNode* pNode = aItN->next();
- const SMDS_EdgePosition* pEPos =
- static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
- double aT = pEPos->GetUParameter();
- aPrms.push_back( aT );
- }
- list<SMESH_MeshEditor_PathPoint> LPP;
- //Extrusion_Error err =
- MakeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
- LLPPs.push_back(LPP);
- UsedNums.Add(k);
- // update startN for search following egde
- if( aN1->GetID() == startNid ) startNid = aN2->GetID();
- else startNid = aN1->GetID();
- break;
+ k++;
+ if(UsedNums.Contains(k)) continue;
+ aTrackEdge = TopoDS::Edge( Edges.Value(k) );
+ SMESH_subMesh* locTrack = *itLSM;
+ SMESHDS_SubMesh* locMeshDS = locTrack->GetSubMeshDS();
+ TopExp::Vertices( aTrackEdge, aV1, aV2 );
+ aItN = locTrack->GetFather()->GetSubMesh(aV1)->GetSubMeshDS()->GetNodes();
+ const SMDS_MeshNode* aN1 = aItN->next();
+ aItN = locTrack->GetFather()->GetSubMesh(aV2)->GetSubMeshDS()->GetNodes();
+ const SMDS_MeshNode* aN2 = aItN->next();
+ // starting node must be aN1 or aN2
+ if ( !( aN1->GetID() == startNid || aN2->GetID() == startNid ) ) continue;
+ // 2. Collect parameters on the track edge
+ aPrms.clear();
+ aItN = locMeshDS->GetNodes();
+ while ( aItN->more() ) {
+ const SMDS_MeshNode* pNode = aItN->next();
+ const SMDS_EdgePosition* pEPos =
+ static_cast<const SMDS_EdgePosition*>( pNode->GetPosition().get() );
+ double aT = pEPos->GetUParameter();
+ aPrms.push_back( aT );
+ }
+ list<SMESH_MeshEditor_PathPoint> LPP;
+ //Extrusion_Error err =
+ MakeEdgePathPoints(aPrms, aTrackEdge,(aN1->GetID()==startNid), LPP);
+ LLPPs.push_back(LPP);
+ UsedNums.Add(k);
+ // update startN for search following egde
+ if( aN1->GetID() == startNid ) startNid = aN2->GetID();
+ else startNid = aN1->GetID();
+ break;
}
}
list< list<SMESH_MeshEditor_PathPoint> >::iterator itLLPP = LLPPs.begin();
gp_Dir D1 = PP1.Tangent();
gp_Dir D2 = PP2.Tangent();
gp_Dir Dnew( gp_Vec( (D1.X()+D2.X())/2, (D1.Y()+D2.Y())/2,
- (D1.Z()+D2.Z())/2 ) );
+ (D1.Z()+D2.Z())/2 ) );
PP1.SetTangent(Dnew);
fullList.push_back(PP1);
itPP++;
for(; itPP!=currList.end(); itPP++) {
- fullList.push_back( *itPP );
+ fullList.push_back( *itPP );
}
PP1 = fullList.back();
fullList.pop_back();
}
return MakeExtrElements(theElements, fullList, theHasAngles, theAngles, theLinearVariation,
- theHasRefPoint, theRefPoint, theMakeGroups);
+ theHasRefPoint, theRefPoint, theMakeGroups);
}
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
SMESH_MeshEditor::MakeEdgePathPoints(std::list<double>& aPrms,
- const TopoDS_Edge& aTrackEdge,
- bool FirstIsStart,
- list<SMESH_MeshEditor_PathPoint>& LPP)
+ const TopoDS_Edge& aTrackEdge,
+ bool FirstIsStart,
+ list<SMESH_MeshEditor_PathPoint>& LPP)
{
Standard_Real aTx1, aTx2, aL2, aTolVec, aTolVec2;
aTolVec=1.e-7;
//=======================================================================
SMESH_MeshEditor::Extrusion_Error
SMESH_MeshEditor::MakeExtrElements(TIDSortedElemSet& theElements,
- list<SMESH_MeshEditor_PathPoint>& fullList,
- const bool theHasAngles,
- list<double>& theAngles,
- const bool theLinearVariation,
- const bool theHasRefPoint,
- const gp_Pnt& theRefPoint,
- const bool theMakeGroups)
+ list<SMESH_MeshEditor_PathPoint>& fullList,
+ const bool theHasAngles,
+ list<double>& theAngles,
+ const bool theLinearVariation,
+ const bool theHasRefPoint,
+ const gp_Pnt& theRefPoint,
+ const bool theMakeGroups)
{
//cout<<"MakeExtrElements fullList.size() = "<<fullList.size()<<endl;
int aNbTP = fullList.size();
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 ( mapNewNodes.find( node ) == mapNewNodes.end() ) {
- list<const SMDS_MeshNode*> aLNx;
- mapNewNodes[node] = aLNx;
- //
- gp_XYZ aXYZ( aX, aY, aZ );
- aGC += aXYZ;
- ++aNb;
- }
+ const SMDS_MeshNode* node = static_cast<const SMDS_MeshNode*>( itN->next() );
+ aX = node->X();
+ aY = node->Y();
+ aZ = node->Z();
+
+ if ( mapNewNodes.find( node ) == mapNewNodes.end() ) {
+ list<const SMDS_MeshNode*> aLNx;
+ mapNewNodes[node] = aLNx;
+ //
+ gp_XYZ aXYZ( aX, aY, aZ );
+ aGC += aXYZ;
+ ++aNb;
+ }
}
}
aGC /= aNb;
++nodeIndex;
// check if a node has been already processed
const SMDS_MeshNode* node =
- static_cast<const SMDS_MeshNode*>( itN->next() );
+ 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 );
-
- // 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 );
- }
+ // 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 );
+
+ // 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 );
+ }
- // 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
+ // make new node
if( elem->IsQuadratic() && !elem->IsMediumNode(node) ) {
// create additional node
double x = ( aPN1.X() + aPN0.X() )/2.;
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 );
+ 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 );
+ listNewNodes.push_back( newNode );
- aPN0 = aPN1;
- aP0x = aP1x;
- aV0x = aV1x;
- aDT0x = aDT1x;
- }
+ aPN0 = aPN1;
+ aP0x = aP1x;
+ aV0x = aV1x;
+ aDT0x = aDT1x;
+ }
}
else {
//purpose : auxilary for ExtrusionAlongTrack
//=======================================================================
void SMESH_MeshEditor::LinearAngleVariation(const int nbSteps,
- list<double>& Angles)
+ list<double>& Angles)
{
int nbAngles = Angles.size();
if( nbSteps > nbAngles ) {
double angCurFloor = floor( angCur );
double angPrevFloor = floor( angPrev );
if ( angPrevFloor == angCurFloor )
- angle = rAn2St * theAngles[ int( angCurFloor ) ];
+ angle = rAn2St * theAngles[ int( angCurFloor ) ];
else {
- int iP = int( angPrevFloor );
- double angPrevCeil = ceil(angPrev);
- angle = ( angPrevCeil - angPrev ) * theAngles[ iP ];
-
- int iC = int( angCurFloor );
- if ( iC < nbAngles )
- angle += ( angCur - angCurFloor ) * theAngles[ iC ];
-
- iP = int( angPrevCeil );
- while ( iC-- > iP )
- angle += theAngles[ iC ];
+ int iP = int( angPrevFloor );
+ double angPrevCeil = ceil(angPrev);
+ angle = ( angPrevCeil - angPrev ) * theAngles[ iP ];
+
+ int iC = int( angCurFloor );
+ if ( iC < nbAngles )
+ angle += ( angCur - angCurFloor ) * theAngles[ iC ];
+
+ iP = int( angPrevCeil );
+ while ( iC-- > iP )
+ angle += theAngles[ iC ];
}
res.push_back(angle);
angPrev = angCur;
SMESH_MeshEditor targetMeshEditor( theTargetMesh );
SMESHDS_Mesh* aTgtMesh = theTargetMesh ? theTargetMesh->GetMeshDS() : 0;
SMESHDS_Mesh* aMesh = GetMeshDS();
-
+
// map old node to new one
TNodeNodeMap nodeMap;
REV_FACE = 3,
REV_HEXA = 4, // = nbNodes - 4
FORWARD = 5
- };
+ };
int index[][8] = {
{ 2, 1, 0, 3, 4, 0, 0, 0 }, // REV_TETRA
{ 2, 1, 0, 3, 4, 0, 0, 0 }, // REV_PYRAMID
}
}
break;
- default:;
+ default:;
+ }
+ continue;
}
- continue;
- }
- // Regular elements
- int* i = index[ FORWARD ];
- if ( needReverse && nbNodes > 2) // reverse mirrored faces and volumes
- if ( elemType == SMDSAbs_Face )
- i = index[ REV_FACE ];
- else
- i = index[ nbNodes - 4 ];
+ // Regular elements
+ int* i = index[ FORWARD ];
+ if ( needReverse && nbNodes > 2) // reverse mirrored faces and volumes
+ if ( elemType == SMDSAbs_Face )
+ i = index[ REV_FACE ];
+ else
+ i = index[ nbNodes - 4 ];
if(elem->IsQuadratic()) {
static int anIds[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
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
- */
+//function : Scale
+//purpose :
//=======================================================================
SMESH_MeshEditor::PGroupIDs
-SMESH_MeshEditor::generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
- const SMESH_SequenceOfElemPtr& elemGens,
- const std::string& postfix,
- SMESH_Mesh* targetMesh)
+SMESH_MeshEditor::Scale (TIDSortedElemSet & theElems,
+ const gp_Pnt& thePoint,
+ const std::list<double>& theScaleFact,
+ const bool theCopy,
+ const bool theMakeGroups,
+ SMESH_Mesh* theTargetMesh)
{
- PGroupIDs newGroupIDs( new list<int> );
- SMESH_Mesh* mesh = targetMesh ? targetMesh : GetMesh();
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
- // Sort existing groups by types and collect their names
+ SMESH_MeshEditor targetMeshEditor( theTargetMesh );
+ SMESHDS_Mesh* aTgtMesh = theTargetMesh ? theTargetMesh->GetMeshDS() : 0;
+ SMESHDS_Mesh* aMesh = GetMeshDS();
- // to store an old group and a generated new one
- typedef pair< SMESHDS_GroupBase*, SMDS_MeshGroup* > TOldNewGroup;
- vector< list< TOldNewGroup > > groupsByType( SMDSAbs_NbElementTypes );
- // group names
- set< string > groupNames;
- //
- SMDS_MeshGroup* nullNewGroup = (SMDS_MeshGroup*) 0;
- SMESH_Mesh::GroupIteratorPtr groupIt = GetMesh()->GetGroups();
- while ( groupIt->more() ) {
- SMESH_Group * group = groupIt->next();
- if ( !group ) continue;
- SMESHDS_GroupBase* groupDS = group->GetGroupDS();
- if ( !groupDS || groupDS->IsEmpty() ) continue;
- groupNames.insert( group->GetName() );
- groupDS->SetStoreName( group->GetName() );
- groupsByType[ groupDS->GetType() ].push_back( make_pair( groupDS, nullNewGroup ));
+ double scaleX=1.0, scaleY=1.0, scaleZ=1.0;
+ std::list<double>::const_iterator itS = theScaleFact.begin();
+ scaleX = (*itS);
+ if(theScaleFact.size()==1) {
+ scaleY = (*itS);
+ scaleZ= (*itS);
+ }
+ if(theScaleFact.size()==2) {
+ itS++;
+ scaleY = (*itS);
+ scaleZ= (*itS);
}
+ if(theScaleFact.size()>2) {
+ itS++;
+ scaleY = (*itS);
+ itS++;
+ scaleZ= (*itS);
+ }
+
+ // map old node to new one
+ TNodeNodeMap nodeMap;
- // Groups creation
+ // elements sharing moved nodes; those of them which have all
+ // nodes mirrored but are not in theElems are to be reversed
+ TIDSortedElemSet inverseElemSet;
- // loop on nodes and elements
- for ( int isNodes = 0; isNodes < 2; ++isNodes )
- {
- const SMESH_SequenceOfElemPtr& gens = isNodes ? nodeGens : elemGens;
- const SMESH_SequenceOfElemPtr& elems = isNodes ? myLastCreatedNodes : myLastCreatedElems;
- if ( gens.Length() != elems.Length() )
- throw SALOME_Exception(LOCALIZED("invalid args"));
+ // source elements for each generated one
+ SMESH_SequenceOfElemPtr srcElems, srcNodes;
- // loop on created elements
- for (int iElem = 1; iElem <= elems.Length(); ++iElem )
- {
- const SMDS_MeshElement* sourceElem = gens( iElem );
- if ( !sourceElem ) {
- MESSAGE("generateGroups(): NULL source element");
+ // loop on theElems
+ TIDSortedElemSet::iterator itElem;
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ ) {
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem )
+ continue;
+
+ // loop on elem nodes
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() ) {
+
+ // check if a node has been already transformed
+ const SMDS_MeshNode* node = cast2Node( itN->next() );
+ pair<TNodeNodeMap::iterator,bool> n2n_isnew =
+ nodeMap.insert( make_pair ( node, node ));
+ if ( !n2n_isnew.second )
continue;
+
+ //double coord[3];
+ //coord[0] = node->X();
+ //coord[1] = node->Y();
+ //coord[2] = node->Z();
+ //theTrsf.Transforms( coord[0], coord[1], coord[2] );
+ double dx = (node->X() - thePoint.X()) * scaleX;
+ double dy = (node->Y() - thePoint.Y()) * scaleY;
+ double dz = (node->Z() - thePoint.Z()) * scaleZ;
+ if ( theTargetMesh ) {
+ //const SMDS_MeshNode * newNode = aTgtMesh->AddNode( coord[0], coord[1], coord[2] );
+ const SMDS_MeshNode * newNode =
+ aTgtMesh->AddNode( thePoint.X()+dx, thePoint.Y()+dy, thePoint.Z()+dz );
+ n2n_isnew.first->second = newNode;
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
}
- list< TOldNewGroup > & groupsOldNew = groupsByType[ sourceElem->GetType() ];
- if ( groupsOldNew.empty() ) {
- while ( iElem < gens.Length() && gens( iElem+1 ) == sourceElem )
- ++iElem; // skip all elements made by sourceElem
- continue;
+ else if ( theCopy ) {
+ //const SMDS_MeshNode * newNode = aMesh->AddNode( coord[0], coord[1], coord[2] );
+ const SMDS_MeshNode * newNode =
+ aMesh->AddNode( thePoint.X()+dx, thePoint.Y()+dy, thePoint.Z()+dz );
+ n2n_isnew.first->second = newNode;
+ myLastCreatedNodes.Append(newNode);
+ srcNodes.Append( node );
+ }
+ else {
+ //aMesh->MoveNode( node, coord[0], coord[1], coord[2] );
+ aMesh->MoveNode( node, thePoint.X()+dx, thePoint.Y()+dy, thePoint.Z()+dz );
+ // node position on shape becomes invalid
+ const_cast< SMDS_MeshNode* > ( node )->SetPosition
+ ( SMDS_SpacePosition::originSpacePosition() );
}
- // collect all elements made by sourceElem
- list< const SMDS_MeshElement* > resultElems;
- if ( const SMDS_MeshElement* resElem = elems( iElem ))
- if ( resElem != sourceElem )
- resultElems.push_back( resElem );
- while ( iElem < gens.Length() && gens( iElem+1 ) == sourceElem )
- if ( const SMDS_MeshElement* resElem = elems( ++iElem ))
- if ( resElem != sourceElem )
- resultElems.push_back( resElem );
- // do not generate element groups from node ones
- if ( sourceElem->GetType() == SMDSAbs_Node &&
- elems( iElem )->GetType() != SMDSAbs_Node )
- continue;
- // add resultElems to groups made by ones the sourceElem belongs to
- list< TOldNewGroup >::iterator gOldNew, gLast = groupsOldNew.end();
- for ( gOldNew = groupsOldNew.begin(); gOldNew != gLast; ++gOldNew )
- {
- SMESHDS_GroupBase* oldGroup = gOldNew->first;
- if ( oldGroup->Contains( sourceElem )) // sourceElem in oldGroup
- {
- SMDS_MeshGroup* & newGroup = gOldNew->second;
- if ( !newGroup )// create a new group
- {
- // make a name
- string name = oldGroup->GetStoreName();
- if ( !targetMesh ) {
- name += "_";
- name += postfix;
- int nb = 0;
- while ( !groupNames.insert( name ).second ) // name exists
- {
- if ( nb == 0 ) {
- name += "_1";
- }
- else {
- TCollection_AsciiString nbStr(nb+1);
- name.resize( name.rfind('_')+1 );
- name += nbStr.ToCString();
- }
- ++nb;
- }
- }
- // make a group
- int id;
- SMESH_Group* group = mesh->AddGroup( resultElems.back()->GetType(),
- name.c_str(), id );
- SMESHDS_Group* groupDS = static_cast<SMESHDS_Group*>(group->GetGroupDS());
- newGroup = & groupDS->SMDSGroup();
- newGroupIDs->push_back( id );
- }
+ // keep inverse elements
+ //if ( !theCopy && !theTargetMesh && needReverse ) {
+ // SMDS_ElemIteratorPtr invElemIt = node->GetInverseElementIterator();
+ // while ( invElemIt->more() ) {
+ // const SMDS_MeshElement* iel = invElemIt->next();
+ // inverseElemSet.insert( iel );
+ // }
+ //}
+ }
+ }
- // fill in a new group
- list< const SMDS_MeshElement* >::iterator resLast = resultElems.end(), resElemIt;
- for ( resElemIt = resultElems.begin(); resElemIt != resLast; ++resElemIt )
- newGroup->Add( *resElemIt );
- }
- }
- } // loop on created elements
- }// loop on nodes and elements
+ // either create new elements or reverse mirrored ones
+ //if ( !theCopy && !needReverse && !theTargetMesh )
+ if ( !theCopy && !theTargetMesh )
+ return PGroupIDs();
- return newGroupIDs;
-}
+ TIDSortedElemSet::iterator invElemIt = inverseElemSet.begin();
+ for ( ; invElemIt != inverseElemSet.end(); invElemIt++ )
+ theElems.insert( *invElemIt );
-//=======================================================================
-//function : FindCoincidentNodes
-//purpose : 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
-//=======================================================================
+ // replicate or reverse elements
-void SMESH_MeshEditor::FindCoincidentNodes (set<const SMDS_MeshNode*> & theNodes,
- const double theTolerance,
- TListOfListOfNodes & theGroupsOfNodes)
-{
- myLastCreatedElems.Clear();
- myLastCreatedNodes.Clear();
+ enum {
+ REV_TETRA = 0, // = nbNodes - 4
+ REV_PYRAMID = 1, // = nbNodes - 4
+ REV_PENTA = 2, // = nbNodes - 4
+ REV_FACE = 3,
+ REV_HEXA = 4, // = nbNodes - 4
+ FORWARD = 5
+ };
+ int index[][8] = {
+ { 2, 1, 0, 3, 4, 0, 0, 0 }, // REV_TETRA
+ { 2, 1, 0, 3, 4, 0, 0, 0 }, // REV_PYRAMID
+ { 2, 1, 0, 5, 4, 3, 0, 0 }, // REV_PENTA
+ { 2, 1, 0, 3, 0, 0, 0, 0 }, // REV_FACE
+ { 2, 1, 0, 3, 6, 5, 4, 7 }, // REV_HEXA
+ { 0, 1, 2, 3, 4, 5, 6, 7 } // FORWARD
+ };
- set<const SMDS_MeshNode*> nodes;
- if ( theNodes.empty() )
- { // get all nodes in the mesh
- SMDS_NodeIteratorPtr nIt = GetMeshDS()->nodesIterator();
- while ( nIt->more() )
- nodes.insert( nodes.end(),nIt->next());
- }
- else
- nodes=theNodes;
- SMESH_OctreeNode::FindCoincidentNodes ( nodes, &theGroupsOfNodes, theTolerance);
+ for ( itElem = theElems.begin(); itElem != theElems.end(); itElem++ )
+ {
+ const SMDS_MeshElement* elem = *itElem;
+ if ( !elem || elem->GetType() == SMDSAbs_Node )
+ continue;
-}
+ int nbNodes = elem->NbNodes();
+ int elemType = elem->GetType();
-//=======================================================================
+ if (elem->IsPoly()) {
+ // Polygon or Polyhedral Volume
+ switch ( elemType ) {
+ case SMDSAbs_Face:
+ {
+ vector<const SMDS_MeshNode*> poly_nodes (nbNodes);
+ int iNode = 0;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while (itN->more()) {
+ const SMDS_MeshNode* node =
+ static_cast<const SMDS_MeshNode*>(itN->next());
+ TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
+ if (nodeMapIt == nodeMap.end())
+ break; // not all nodes transformed
+ //if (needReverse) {
+ // // reverse mirrored faces and volumes
+ // poly_nodes[nbNodes - iNode - 1] = (*nodeMapIt).second;
+ //} else {
+ poly_nodes[iNode] = (*nodeMapIt).second;
+ //}
+ iNode++;
+ }
+ if ( iNode != nbNodes )
+ continue; // not all nodes transformed
+
+ 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 SMDSAbs_Volume:
+ {
+ // ATTENTION: Reversing is not yet done!!!
+ const SMDS_PolyhedralVolumeOfNodes* aPolyedre =
+ dynamic_cast<const SMDS_PolyhedralVolumeOfNodes*>( elem );
+ if (!aPolyedre) {
+ MESSAGE("Warning: bad volumic element");
+ continue;
+ }
+
+ vector<const SMDS_MeshNode*> poly_nodes;
+ vector<int> quantities;
+
+ bool allTransformed = true;
+ int nbFaces = aPolyedre->NbFaces();
+ for (int iface = 1; iface <= nbFaces && allTransformed; iface++) {
+ int nbFaceNodes = aPolyedre->NbFaceNodes(iface);
+ for (int inode = 1; inode <= nbFaceNodes && allTransformed; inode++) {
+ const SMDS_MeshNode* node = aPolyedre->GetFaceNode(iface, inode);
+ TNodeNodeMap::iterator nodeMapIt = nodeMap.find(node);
+ if (nodeMapIt == nodeMap.end()) {
+ allTransformed = false; // not all nodes transformed
+ } else {
+ poly_nodes.push_back((*nodeMapIt).second);
+ }
+ }
+ quantities.push_back(nbFaceNodes);
+ }
+ if ( !allTransformed )
+ continue; // not all nodes transformed
+
+ if ( 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;
+ default:;
+ }
+ continue;
+ }
+
+ // Regular elements
+ int* i = index[ FORWARD ];
+ //if ( needReverse && nbNodes > 2) // reverse mirrored faces and volumes
+ // if ( elemType == SMDSAbs_Face )
+ // i = index[ REV_FACE ];
+ // else
+ // i = index[ nbNodes - 4 ];
+
+ if(elem->IsQuadratic()) {
+ static int anIds[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+ i = anIds;
+ //if(needReverse) {
+ // if(nbNodes==3) { // quadratic edge
+ // static int anIds[] = {1,0,2};
+ // i = anIds;
+ // }
+ // else if(nbNodes==6) { // quadratic triangle
+ // static int anIds[] = {0,2,1,5,4,3};
+ // i = anIds;
+ // }
+ // else if(nbNodes==8) { // quadratic quadrangle
+ // static int anIds[] = {0,3,2,1,7,6,5,4};
+ // i = anIds;
+ // }
+ // else if(nbNodes==10) { // quadratic tetrahedron of 10 nodes
+ // static int anIds[] = {0,2,1,3,6,5,4,7,9,8};
+ // i = anIds;
+ // }
+ // else if(nbNodes==13) { // quadratic pyramid of 13 nodes
+ // static int anIds[] = {0,3,2,1,4,8,7,6,5,9,12,11,10};
+ // i = anIds;
+ // }
+ // else if(nbNodes==15) { // quadratic pentahedron with 15 nodes
+ // static int anIds[] = {0,2,1,3,5,4,8,7,6,11,10,9,12,14,13};
+ // i = anIds;
+ // }
+ // else { // nbNodes==20 - quadratic hexahedron with 20 nodes
+ // static int anIds[] = {0,3,2,1,4,7,6,5,11,10,9,8,15,14,13,12,16,19,18,17};
+ // i = anIds;
+ // }
+ //}
+ }
+
+ // find transformed nodes
+ vector<const SMDS_MeshNode*> nodes(nbNodes);
+ int iNode = 0;
+ SMDS_ElemIteratorPtr itN = elem->nodesIterator();
+ while ( itN->more() ) {
+ const SMDS_MeshNode* node =
+ static_cast<const SMDS_MeshNode*>( itN->next() );
+ TNodeNodeMap::iterator nodeMapIt = nodeMap.find( node );
+ if ( nodeMapIt == nodeMap.end() )
+ break; // not all nodes transformed
+ nodes[ i [ iNode++ ]] = (*nodeMapIt).second;
+ }
+ if ( iNode != nbNodes )
+ continue; // not all nodes transformed
+
+ if ( theTargetMesh ) {
+ if ( SMDS_MeshElement* copy =
+ targetMeshEditor.AddElement( nodes, elem->GetType(), elem->IsPoly() )) {
+ myLastCreatedElems.Append( copy );
+ srcElems.Append( elem );
+ }
+ }
+ else if ( theCopy ) {
+ if ( SMDS_MeshElement* copy = AddElement( nodes, elem->GetType(), elem->IsPoly() )) {
+ myLastCreatedElems.Append( copy );
+ srcElems.Append( elem );
+ }
+ }
+ else {
+ // reverse element as it was reversed by transformation
+ if ( nbNodes > 2 )
+ aMesh->ChangeElementNodes( elem, &nodes[0], nbNodes );
+ }
+ }
+
+ PGroupIDs newGroupIDs;
+
+ if ( theMakeGroups && theCopy ||
+ theMakeGroups && theTargetMesh ) {
+ string groupPostfix = "scaled";
+ newGroupIDs = generateGroups( srcNodes, srcElems, groupPostfix, theTargetMesh );
+ }
+
+ 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
+ */
+//=======================================================================
+
+SMESH_MeshEditor::PGroupIDs
+SMESH_MeshEditor::generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
+ const SMESH_SequenceOfElemPtr& elemGens,
+ const std::string& postfix,
+ SMESH_Mesh* targetMesh)
+{
+ 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*, SMDS_MeshGroup* > TOldNewGroup;
+ vector< list< TOldNewGroup > > groupsByType( SMDSAbs_NbElementTypes );
+ // group names
+ set< string > groupNames;
+ //
+ SMDS_MeshGroup* nullNewGroup = (SMDS_MeshGroup*) 0;
+ SMESH_Mesh::GroupIteratorPtr groupIt = GetMesh()->GetGroups();
+ while ( groupIt->more() ) {
+ SMESH_Group * group = groupIt->next();
+ if ( !group ) continue;
+ SMESHDS_GroupBase* groupDS = group->GetGroupDS();
+ if ( !groupDS || groupDS->IsEmpty() ) continue;
+ groupNames.insert( group->GetName() );
+ groupDS->SetStoreName( group->GetName() );
+ groupsByType[ groupDS->GetType() ].push_back( make_pair( groupDS, nullNewGroup ));
+ }
+
+ // Groups creation
+
+ // loop on nodes and elements
+ for ( int isNodes = 0; isNodes < 2; ++isNodes )
+ {
+ const SMESH_SequenceOfElemPtr& gens = isNodes ? nodeGens : elemGens;
+ const SMESH_SequenceOfElemPtr& elems = isNodes ? myLastCreatedNodes : myLastCreatedElems;
+ if ( gens.Length() != elems.Length() )
+ throw SALOME_Exception(LOCALIZED("invalid args"));
+
+ // loop on created elements
+ for (int iElem = 1; iElem <= elems.Length(); ++iElem )
+ {
+ const SMDS_MeshElement* sourceElem = gens( iElem );
+ if ( !sourceElem ) {
+ MESSAGE("generateGroups(): NULL source element");
+ continue;
+ }
+ list< TOldNewGroup > & groupsOldNew = groupsByType[ sourceElem->GetType() ];
+ if ( groupsOldNew.empty() ) {
+ while ( iElem < gens.Length() && gens( iElem+1 ) == sourceElem )
+ ++iElem; // skip all elements made by sourceElem
+ continue;
+ }
+ // collect all elements made by sourceElem
+ list< const SMDS_MeshElement* > resultElems;
+ if ( const SMDS_MeshElement* resElem = elems( iElem ))
+ if ( resElem != sourceElem )
+ resultElems.push_back( resElem );
+ while ( iElem < gens.Length() && gens( iElem+1 ) == sourceElem )
+ if ( const SMDS_MeshElement* resElem = elems( ++iElem ))
+ if ( resElem != sourceElem )
+ resultElems.push_back( resElem );
+ // do not generate element groups from node ones
+ if ( sourceElem->GetType() == SMDSAbs_Node &&
+ elems( iElem )->GetType() != SMDSAbs_Node )
+ continue;
+
+ // add resultElems to groups made by ones the sourceElem belongs to
+ list< TOldNewGroup >::iterator gOldNew, gLast = groupsOldNew.end();
+ for ( gOldNew = groupsOldNew.begin(); gOldNew != gLast; ++gOldNew )
+ {
+ SMESHDS_GroupBase* oldGroup = gOldNew->first;
+ if ( oldGroup->Contains( sourceElem )) // sourceElem in oldGroup
+ {
+ SMDS_MeshGroup* & newGroup = gOldNew->second;
+ if ( !newGroup )// create a new group
+ {
+ // make a name
+ string name = oldGroup->GetStoreName();
+ if ( !targetMesh ) {
+ name += "_";
+ name += postfix;
+ int nb = 0;
+ while ( !groupNames.insert( name ).second ) // name exists
+ {
+ if ( nb == 0 ) {
+ name += "_1";
+ }
+ else {
+ TCollection_AsciiString nbStr(nb+1);
+ name.resize( name.rfind('_')+1 );
+ name += nbStr.ToCString();
+ }
+ ++nb;
+ }
+ }
+ // make a group
+ int id;
+ SMESH_Group* group = mesh->AddGroup( resultElems.back()->GetType(),
+ name.c_str(), id );
+ SMESHDS_Group* groupDS = static_cast<SMESHDS_Group*>(group->GetGroupDS());
+ newGroup = & groupDS->SMDSGroup();
+ newGroupIDs->push_back( id );
+ }
+
+ // fill in a new group
+ list< const SMDS_MeshElement* >::iterator resLast = resultElems.end(), resElemIt;
+ for ( resElemIt = resultElems.begin(); resElemIt != resLast; ++resElemIt )
+ newGroup->Add( *resElemIt );
+ }
+ }
+ } // loop on created elements
+ }// loop on nodes and elements
+
+ 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 (set<const SMDS_MeshNode*> & theNodes,
+ const double theTolerance,
+ TListOfListOfNodes & theGroupsOfNodes)
+{
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ set<const SMDS_MeshNode*> nodes;
+ if ( theNodes.empty() )
+ { // get all nodes in the mesh
+ SMDS_NodeIteratorPtr nIt = GetMeshDS()->nodesIterator();
+ while ( nIt->more() )
+ nodes.insert( nodes.end(),nIt->next());
+ }
+ else
+ nodes=theNodes;
+
+ SMESH_OctreeNode::FindCoincidentNodes ( nodes, &theGroupsOfNodes, theTolerance);
+}
+
+
+//=======================================================================
/*!
* \brief Implementation of search for the node closest to point
*/
//=======================================================================
-struct SMESH_NodeSearcherImpl: public SMESH_NodeSearcher
-{
+struct SMESH_NodeSearcherImpl: public SMESH_NodeSearcher
+{
+ //---------------------------------------------------------------------
+ /*!
+ * \brief Constructor
+ */
+ SMESH_NodeSearcherImpl( const SMESHDS_Mesh* theMesh )
+ {
+ myMesh = ( SMESHDS_Mesh* ) theMesh;
+
+ set<const SMDS_MeshNode*> nodes;
+ if ( theMesh ) {
+ SMDS_NodeIteratorPtr nIt = theMesh->nodesIterator();
+ 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 )
+ {
+ SMDS_MeshNode tgtNode( thePnt.X(), thePnt.Y(), thePnt.Z() );
+ map<double, const SMDS_MeshNode*> dist2Nodes;
+ myOctreeNode->NodesAround( &tgtNode, 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 );
+
+ SMDS_MeshNode pointNode( thePnt.X(), thePnt.Y(), thePnt.Z() );
+ for ( trIt = treeList.begin(); trIt != treeList.end(); ++trIt)
+ {
+ SMESH_OctreeNode* tree = *trIt;
+ if ( !tree->isLeaf() ) // put children to the queue
+ {
+ if ( !tree->isInside( &pointNode, myHalfLeafSize )) continue;
+ 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_MeshEditor::TNodeXYZ( *nIt ) );
+ if ( minSqDist > sqDist ) {
+ closestNode = *nIt;
+ minSqDist = sqDist;
+ }
+ }
+ 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);
+ void getElementsNearPoint( const gp_Pnt& point, TIDSortedElemSet& foundElems);
+ void getElementsNearLine ( const gp_Ax1& line, TIDSortedElemSet& foundElems);
+ ~ElementBndBoxTree();
+
+ protected:
+ ElementBndBoxTree() {}
+ SMESH_Octree* allocateOctreeChild() 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);
+ };
+ vector< ElementBox* > _elements;
+ };
+
+ //================================================================================
+ /*!
+ * \brief ElementBndBoxTree creation
+ */
+ //================================================================================
+
+ ElementBndBoxTree::ElementBndBoxTree(const SMDS_Mesh& mesh, SMDSAbs_ElementType elemType)
+ :SMESH_Octree( new SMESH_Octree::Limit( MaxLevel, /*minSize=*/0. ))
+ {
+ int nbElems = mesh.GetMeshInfo().NbElements( elemType );
+ _elements.reserve( nbElems );
+
+ SMDS_ElemIteratorPtr elemIt = mesh.elementsIterator( elemType );
+ while ( elemIt->more() )
+ _elements.push_back( new ElementBox( elemIt->next() ));
+
+ if ( _elements.size() > MaxNbElemsInLeaf )
+ compute();
+ else
+ myIsLeaf = true;
+ }
+
+ //================================================================================
+ /*!
+ * \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 Constructor
+ * \brief Redistrubute element boxes among children
*/
- SMESH_NodeSearcherImpl( const SMESHDS_Mesh* theMesh )
+ //================================================================================
+
+ void ElementBndBoxTree::buildChildrenData()
{
- set<const SMDS_MeshNode*> nodes;
- if ( theMesh ) {
- SMDS_NodeIteratorPtr nIt = theMesh->nodesIterator();
- while ( nIt->more() )
- nodes.insert( nodes.end(), nIt->next() );
+ 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--;
+ }
+ _elements.clear();
+
+ 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 )
+ child->_elements.resize( child->_elements.size() ); // compact
}
- myOctreeNode = new SMESH_OctreeNode(nodes) ;
}
+
+ //================================================================================
/*!
- * \brief Do it's job
+ * \brief Return elements which can include the point
*/
- const SMDS_MeshNode* FindClosestTo( const gp_Pnt& thePnt )
+ //================================================================================
+
+ void ElementBndBoxTree::getElementsNearPoint( const gp_Pnt& point,
+ TIDSortedElemSet& foundElems)
{
- SMDS_MeshNode tgtNode( thePnt.X(), thePnt.Y(), thePnt.Z() );
- list<const SMDS_MeshNode*> nodes;
- const double precision = 1e-6;
- //myOctreeNode->NodesAround( &tgtNode, &nodes, precision );
+ if ( level() && getBox().IsOut( point.XYZ() ))
+ return;
- double minSqDist = DBL_MAX;
- Bnd_B3d box;
- if ( nodes.empty() ) // get all nodes of OctreeNode's closest to thePnt
+ if ( isLeaf() )
{
- // 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 );
- for ( trIt = treeList.begin(); trIt != treeList.end(); ++trIt)
+ 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 ( level() && 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 Construct the element box
+ */
+ //================================================================================
+
+ ElementBndBoxTree::ElementBox::ElementBox(const SMDS_MeshElement* elem)
+ {
+ _element = elem;
+ _refCount = 1;
+ SMDS_ElemIteratorPtr nIt = elem->nodesIterator();
+ while ( nIt->more() )
+ Add( SMESH_MeshEditor::TNodeXYZ( cast2Node( nIt->next() )));
+ Enlarge( NodeRadius );
+ }
+
+} // 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;
+ 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 )
+ : _mesh(&mesh),_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);
+
+ 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 ))
{
- SMESH_OctreeNode* tree = *trIt;
- if ( !tree->isLeaf() ) { // put children to the queue
- SMESH_OctreeNodeIteratorPtr cIt = tree->GetChildrenIterator();
- while ( cIt->more() )
- treeList.push_back( cIt->next() );
+ SMDS_NodeIteratorPtr nodeIt = _mesh->nodesIterator();
+ elemSize = 1;
+ if ( meshInfo.NbNodes() > 2 )
+ elemSize = SMESH_MeshEditor::TNodeXYZ( nodeIt->next() ).Distance( nodeIt->next() );
+ }
+ else
+ {
+ const SMDS_MeshElement* elem =
+ _mesh->elementsIterator( SMDSAbs_ElementType( complexType ))->next();
+ SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
+ SMESH_MeshEditor::TNodeXYZ n1( cast2Node( nodeIt->next() ));
+ while ( nodeIt->more() )
+ {
+ double dist = n1.Distance( cast2Node( nodeIt->next() ));
+ elemSize = max( dist, elemSize );
}
- else if ( tree->NbNodes() ) { // put tree to treeMap
- tree->getBox( box );
- 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 ));
+ }
+ _tolerance = 1e-6 * 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_MeshEditor::TNodeXYZ( face->GetNode( i )),
+ SMESH_MeshEditor::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_MeshEditor::TNodeXYZ( link.node1()),
+ SMESH_MeshEditor::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*PI;
+ angle2Face.insert( make_pair( angle, *face ));
}
+ if ( !angle2Face.empty() )
+ outerFace2 = angle2Face.begin()->second;
}
- // 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;
- closestTree->getBox( box );
- double limit = sqrt( sqDist_tree->first ) + sqrt ( box.SquareExtent() );
- sqLimit = limit * limit;
+ }
+ // 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 ));
}
- // 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 );
+ }
+ 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 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 )
+ {
+ if ( !_nodeSearcher )
+ _nodeSearcher = new SMESH_NodeSearcherImpl( _mesh );
+
+ const SMDS_MeshNode* closeNode = _nodeSearcher->FindClosestTo( point );
+ if ( !closeNode ) return foundElements.size();
+
+ if ( point.Distance( SMESH_MeshEditor::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( SMDSAbs_0DElement );
+ 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 );
+ }
+ 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 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 );
+ }
+ // 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_MeshEditor::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 )));
}
}
- // 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( TNodeXYZ( *nIt ) );
- if ( minSqDist > sqDist ) {
- closestNode = *nIt;
- minSqDist = sqDist;
+ // 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 );
}
- return closestNode;
- }
- /*!
- * \brief Destructor
- */
- ~SMESH_NodeSearcherImpl() { delete myOctreeNode; }
-private:
- SMESH_OctreeNode* myOctreeNode;
-};
+
+ } // two attempts - with and w/o faces position info in the mesh
+
+ return TopAbs_UNKNOWN;
+}
//=======================================================================
/*!
- * \brief Return SMESH_NodeSearcher
+ * \brief Return SMESH_ElementSearcher
*/
//=======================================================================
-SMESH_NodeSearcher* SMESH_MeshEditor::GetNodeSearcher()
+SMESH_ElementSearcher* SMESH_MeshEditor::GetElementSearcher()
{
- return new SMESH_NodeSearcherImpl( GetMeshDS() );
+ return new SMESH_ElementSearcherImpl( *GetMeshDS() );
+}
+
+//=======================================================================
+/*!
+ * \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;
+
+ SMDS_ElemIteratorPtr nodeIt = element->nodesIterator();
+ if ( element->IsQuadratic() )
+ if (const SMDS_QuadraticFaceOfNodes* f=dynamic_cast<const SMDS_QuadraticFaceOfNodes*>(element))
+ nodeIt = f->interlacedNodesElemIterator();
+ else if (const SMDS_QuadraticEdge* e =dynamic_cast<const SMDS_QuadraticEdge*>(element))
+ nodeIt = e->interlacedNodesElemIterator();
+
+ while ( nodeIt->more() )
+ xyz.push_back( TNodeXYZ( cast2Node( nodeIt->next() )));
+
+ int i, nbNodes = element->NbNodes();
+
+ if ( element->GetType() == SMDSAbs_Face ) // --------------------------------------------------
+ {
+ // compute face normal
+ gp_Vec faceNorm(0,0,0);
+ xyz.push_back( xyz.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_MeshNode n1( xyz[i].X(), xyz[i].Y(), xyz[i].Z() );
+ SMDS_MeshNode n2( xyz[i+1].X(), xyz[i+1].Y(), xyz[i+1].Z() );
+ SMDS_MeshEdge edge( &n1, &n2 );
+ 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;
}
//=======================================================================
SMDS_ElemIteratorPtr invElemIt = nToRemove->GetInverseElementIterator();
while ( invElemIt->more() ) {
const SMDS_MeshElement* elem = invElemIt->next();
- elems.insert(elem);
+ elems.insert(elem);
}
}
}
// ========================================================
class SortableElement : public set <const SMDS_MeshElement*>
{
- public:
+public:
SortableElement( const SMDS_MeshElement* theElem )
- {
- myElem = theElem;
- SMDS_ElemIteratorPtr nodeIt = theElem->nodesIterator();
- while ( nodeIt->more() )
- this->insert( nodeIt->next() );
- }
+ {
+ myElem = theElem;
+ SMDS_ElemIteratorPtr nodeIt = theElem->nodesIterator();
+ while ( nodeIt->more() )
+ this->insert( nodeIt->next() );
+ }
const SMDS_MeshElement* Get() const
- { return myElem; }
+ { return myElem; }
void Set(const SMDS_MeshElement* e) const
- { myElem = e; }
+ { myElem = e; }
- private:
+private:
mutable const SMDS_MeshElement* myElem;
};
// Search among theElements or in the whole mesh if theElements is empty
//=======================================================================
void SMESH_MeshEditor::FindEqualElements(set<const SMDS_MeshElement*> & theElements,
- TListOfListOfElementsID & theGroupsOfElementsID)
+ TListOfListOfElementsID & theGroupsOfElementsID)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
void SMESH_MeshEditor::MergeEqualElements()
{
set<const SMDS_MeshElement*> aMeshElements; /* empty input -
- to merge equal elements in the whole mesh */
+ to merge equal elements in the whole mesh */
TListOfListOfElementsID aGroupsOfElementsID;
FindEqualElements(aMeshElements, aGroupsOfElementsID);
MergeElements(aGroupsOfElementsID);
//purpose : Return a face having linked nodes n1 and n2 and which is
// - not in avoidSet,
// - in elemSet provided that !elemSet.empty()
+// i1 and i2 optionally returns indices of n1 and n2
//=======================================================================
const SMDS_MeshElement*
- SMESH_MeshEditor::FindFaceInSet(const SMDS_MeshNode* n1,
- const SMDS_MeshNode* n2,
- const TIDSortedElemSet& elemSet,
- const TIDSortedElemSet& avoidSet)
+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);
- while ( invElemIt->more() ) { // loop on inverse elements of n1
+ while ( invElemIt->more() && !face ) // loop on inverse faces of n1
+ {
const SMDS_MeshElement* elem = invElemIt->next();
- if (avoidSet.find( elem ) != avoidSet.end() )
+ if (avoidSet.count( elem ))
continue;
- if ( !elemSet.empty() && elemSet.find( elem ) == elemSet.end())
+ if ( !elemSet.empty() && !elemSet.count( elem ))
continue;
- // get face nodes and find index of n1
- int i1, nbN = elem->NbNodes(), iNode = 0;
- //const SMDS_MeshNode* faceNodes[ nbN ], *n;
- vector<const SMDS_MeshNode*> faceNodes( nbN );
- const SMDS_MeshNode* n;
- SMDS_ElemIteratorPtr nIt = elem->nodesIterator();
- while ( nIt->more() ) {
- faceNodes[ iNode ] = static_cast<const SMDS_MeshNode*>( nIt->next() );
- if ( faceNodes[ iNode++ ] == n1 )
- i1 = iNode - 1;
- }
+ // index of n1
+ i1 = elem->GetNodeIndex( n1 );
// find a n2 linked to n1
- if(!elem->IsQuadratic()) {
- for ( iNode = 0; iNode < 2; iNode++ ) {
- if ( iNode ) // node before n1
- n = faceNodes[ i1 == 0 ? nbN - 1 : i1 - 1 ];
- else // node after n1
- n = faceNodes[ i1 + 1 == nbN ? 0 : i1 + 1 ];
- if ( n == n2 )
- return elem;
- }
- }
- else { // analysis for quadratic elements
- bool IsFind = false;
- // check using only corner nodes
- for ( iNode = 0; iNode < 2; iNode++ ) {
- if ( iNode ) // node before n1
- n = faceNodes[ i1 == 0 ? nbN/2 - 1 : i1 - 1 ];
- else // node after n1
- n = faceNodes[ i1 + 1 == nbN/2 ? 0 : i1 + 1 ];
- if ( n == n2 )
- IsFind = true;
- }
- if(IsFind) {
- return elem;
- }
- else {
- // check using all nodes
- const SMDS_QuadraticFaceOfNodes* F =
- static_cast<const SMDS_QuadraticFaceOfNodes*>(elem);
- // use special nodes iterator
- iNode = 0;
- SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
- while ( anIter->more() ) {
- faceNodes[iNode] = static_cast<const SMDS_MeshNode*>(anIter->next());
- if ( faceNodes[ iNode++ ] == n1 )
- i1 = iNode - 1;
- }
- for ( iNode = 0; iNode < 2; iNode++ ) {
- if ( iNode ) // node before n1
- n = faceNodes[ i1 == 0 ? nbN - 1 : i1 - 1 ];
- else // node after n1
- n = faceNodes[ i1 + 1 == nbN ? 0 : i1 + 1 ];
- if ( n == n2 ) {
- return elem;
- }
+ int nbN = elem->IsQuadratic() ? elem->NbNodes()/2 : elem->NbNodes();
+ for ( int di = -1; di < 2 && !face; di += 2 )
+ {
+ i2 = (i1+di+nbN) % nbN;
+ if ( elem->GetNode( i2 ) == n2 )
+ face = elem;
+ }
+ if ( !face && elem->IsQuadratic())
+ {
+ // analysis for quadratic elements using all nodes
+ const SMDS_QuadraticFaceOfNodes* F =
+ static_cast<const SMDS_QuadraticFaceOfNodes*>(elem);
+ // use special nodes iterator
+ SMDS_NodeIteratorPtr anIter = F->interlacedNodesIterator();
+ const SMDS_MeshNode* prevN = cast2Node( anIter->next() );
+ for ( i1 = -1, i2 = 0; anIter->more() && !face; i1++, i2++ )
+ {
+ const SMDS_MeshNode* n = cast2Node( anIter->next() );
+ if ( n1 == prevN && n2 == n )
+ {
+ face = elem;
+ }
+ else if ( n2 == prevN && n1 == n )
+ {
+ face = elem; swap( i1, i2 );
}
+ prevN = n;
}
- } // end analysis for quadratic elements
+ }
}
- return 0;
+ if ( n1ind ) *n1ind = i1;
+ if ( n2ind ) *n2ind = i2;
+ return face;
}
//=======================================================================
//vector<const SMDS_MeshNode*> nodes;
const SMDS_MeshNode *nIgnore = theFirstNode, *nStart = theSecondNode;
- set < const SMDS_MeshElement* > foundElems;
+ TIDSortedElemSet foundElems;
bool needTheLast = ( theLastNode != 0 );
while ( nStart != theLastNode ) {
int iNode = 0, nbNodes = e->NbNodes();
//const SMDS_MeshNode* nodes[nbNodes+1];
vector<const SMDS_MeshNode*> nodes(nbNodes+1);
-
+
if(e->IsQuadratic()) {
const SMDS_QuadraticFaceOfNodes* F =
static_cast<const SMDS_QuadraticFaceOfNodes*>(e);
//=======================================================================
SMESH_MeshEditor::Sew_Error
- SMESH_MeshEditor::SewFreeBorder (const SMDS_MeshNode* theBordFirstNode,
- const SMDS_MeshNode* theBordSecondNode,
- const SMDS_MeshNode* theBordLastNode,
- const SMDS_MeshNode* theSideFirstNode,
- const SMDS_MeshNode* theSideSecondNode,
- const SMDS_MeshNode* theSideThirdNode,
- const bool theSideIsFreeBorder,
- const bool toCreatePolygons,
- const bool toCreatePolyedrs)
+SMESH_MeshEditor::SewFreeBorder (const SMDS_MeshNode* theBordFirstNode,
+ const SMDS_MeshNode* theBordSecondNode,
+ const SMDS_MeshNode* theBordLastNode,
+ const SMDS_MeshNode* theSideFirstNode,
+ const SMDS_MeshNode* theSideSecondNode,
+ const SMDS_MeshNode* theSideThirdNode,
+ const bool theSideIsFreeBorder,
+ const bool toCreatePolygons,
+ const bool toCreatePolyedrs)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
TListOfListOfNodes nodeGroupsToMerge;
if ( nbNodes[0] == nbNodes[1] ||
- ( theSideIsFreeBorder && !theSideThirdNode)) {
+ ( theSideIsFreeBorder && !theSideThirdNode)) {
// all nodes are to be merged
switch( aType )
{
case SMDSAbs_Edge :
- {
- NewElem = theHelper.AddEdge(aNds[0], aNds[1], id, theForce3d);
- break;
- }
+ {
+ NewElem = theHelper.AddEdge(aNds[0], aNds[1], id, theForce3d);
+ break;
+ }
case SMDSAbs_Face :
- {
- switch(nbNodes)
{
- case 3:
- NewElem = theHelper.AddFace(aNds[0], aNds[1], aNds[2], id, theForce3d);
- break;
- case 4:
- NewElem = theHelper.AddFace(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
- break;
- default:
- continue;
+ switch(nbNodes)
+ {
+ case 3:
+ NewElem = theHelper.AddFace(aNds[0], aNds[1], aNds[2], id, theForce3d);
+ break;
+ case 4:
+ NewElem = theHelper.AddFace(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
+ break;
+ default:
+ continue;
+ }
+ break;
}
- break;
- }
case SMDSAbs_Volume :
- {
- switch(nbNodes)
{
- case 4:
- NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
- break;
- case 6:
- NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3], aNds[4], aNds[5], id, theForce3d);
- break;
- case 8:
- NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3],
- aNds[4], aNds[5], aNds[6], aNds[7], id, theForce3d);
- break;
- default:
- continue;
+ switch(nbNodes)
+ {
+ case 4:
+ NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
+ break;
+ case 5:
+ NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3], aNds[4], id, theForce3d);
+ break;
+ case 6:
+ NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3], aNds[4], aNds[5], id, theForce3d);
+ break;
+ case 8:
+ NewElem = theHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3],
+ aNds[4], aNds[5], aNds[6], aNds[7], id, theForce3d);
+ break;
+ default:
+ continue;
+ }
+ break;
}
- break;
- }
default :
continue;
}
SMESH_subMesh* sm = smIt->next();
if ( SMESHDS_SubMesh *smDS = sm->GetSubMeshDS() ) {
aHelper.SetSubShape( sm->GetSubShape() );
- if ( !theForce3d) aHelper.SetCheckNodePosition(true);
nbCheckedElems += convertElemToQuadratic(smDS, aHelper, theForce3d);
}
}
const SMDS_MeshEdge* edge = aEdgeItr->next();
if(edge && !edge->IsQuadratic())
{
- int id = edge->GetID();
- const SMDS_MeshNode* n1 = edge->GetNode(0);
- const SMDS_MeshNode* n2 = edge->GetNode(1);
+ int id = edge->GetID();
+ const SMDS_MeshNode* n1 = edge->GetNode(0);
+ const SMDS_MeshNode* n2 = edge->GetNode(1);
- meshDS->RemoveFreeElement(edge, smDS, notFromGroups);
+ meshDS->RemoveFreeElement(edge, smDS, notFromGroups);
const SMDS_MeshEdge* NewEdge = aHelper.AddEdge(n1, n2, id, theForce3d);
ReplaceElemInGroups( edge, NewEdge, GetMeshDS());
for(int i = 0; i < nbNodes; i++)
{
- aNds[i] = face->GetNode(i);
+ aNds[i] = face->GetNode(i);
}
meshDS->RemoveFreeElement(face, smDS, notFromGroups);
switch(nbNodes)
{
case 3:
- NewFace = aHelper.AddFace(aNds[0], aNds[1], aNds[2], id, theForce3d);
- break;
+ NewFace = aHelper.AddFace(aNds[0], aNds[1], aNds[2], id, theForce3d);
+ break;
case 4:
- NewFace = aHelper.AddFace(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
- break;
+ NewFace = aHelper.AddFace(aNds[0], aNds[1], aNds[2], aNds[3], id, theForce3d);
+ break;
default:
- continue;
+ continue;
}
ReplaceElemInGroups( face, NewFace, GetMeshDS());
}
for(int i = 0; i < nbNodes; i++)
{
- aNds[i] = volume->GetNode(i);
+ aNds[i] = volume->GetNode(i);
}
meshDS->RemoveFreeElement(volume, smDS, notFromGroups);
switch(nbNodes)
{
case 4:
- NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2],
+ NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2],
aNds[3], id, theForce3d );
- break;
+ break;
+ case 5:
+ NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2],
+ aNds[3], aNds[4], id, theForce3d);
+ break;
case 6:
- NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2],
+ NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2],
aNds[3], aNds[4], aNds[5], id, theForce3d);
- break;
+ break;
case 8:
- NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3],
+ NewVolume = aHelper.AddVolume(aNds[0], aNds[1], aNds[2], aNds[3],
aNds[4], aNds[5], aNds[6], aNds[7], id, theForce3d);
- break;
+ break;
default:
- continue;
+ continue;
}
ReplaceElemInGroups(volume, NewVolume, meshDS);
}
for(int i = 0; i < nbNodes; i++)
{
- const SMDS_MeshNode* n = elem->GetNode(i);
+ const SMDS_MeshNode* n = elem->GetNode(i);
- if( elem->IsMediumNode( n ) )
+ if( elem->IsMediumNode( n ) )
mediumNodes.push_back( n );
- else
- aNds.push_back( n );
+ else
+ aNds.push_back( n );
}
if( aNds.empty() ) continue;
SMDSAbs_ElementType aType = elem->GetType();
SMDS_MeshElement * NewElem = AddElement( aNds, aType, false, id );
ReplaceElemInGroups(elem, NewElem, meshDS);
if( theSm && NewElem )
- theSm->AddElement( NewElem );
+ theSm->AddElement( NewElem );
// remove medium nodes
vector<const SMDS_MeshNode*>::iterator nIt = mediumNodes.begin();
( n->GetPosition()->GetShapeId() ));
else
meshDS->RemoveFreeNode( n, theSm );
- }
+ }
}
}
}
}
}
}
-
+
int totalNbElems =
GetMeshDS()->NbEdges() + GetMeshDS()->NbFaces() + GetMeshDS()->NbVolumes();
if ( nbCheckedElems < totalNbElems ) // not all elements are in submeshes
//=======================================================================
SMESH_MeshEditor::Sew_Error
- SMESH_MeshEditor::SewSideElements (TIDSortedElemSet& theSide1,
- TIDSortedElemSet& theSide2,
- const SMDS_MeshNode* theFirstNode1,
- const SMDS_MeshNode* theFirstNode2,
- const SMDS_MeshNode* theSecondNode1,
- const SMDS_MeshNode* theSecondNode2)
+SMESH_MeshEditor::SewSideElements (TIDSortedElemSet& theSide1,
+ TIDSortedElemSet& theSide2,
+ const SMDS_MeshNode* theFirstNode1,
+ const SMDS_MeshNode* theFirstNode2,
+ const SMDS_MeshNode* theSecondNode1,
+ const SMDS_MeshNode* theSecondNode2)
{
myLastCreatedElems.Clear();
myLastCreatedNodes.Clear();
const SMDS_MeshElement* aFreeFace = freeFaceList.front();
faceSet->insert( aFreeFace );
// complete a node set with nodes of a found free face
-// for ( iNode = 0; iNode < ; iNode++ )
-// nodeSet->insert( fNodes[ iNode ] );
+ // for ( iNode = 0; iNode < ; iNode++ )
+ // nodeSet->insert( fNodes[ iNode ] );
}
} // loop on volumes of a side
-// // complete a set of faces if new nodes in a nodeSet appeared
-// // ----------------------------------------------------------
-// if ( nodeSetSize != nodeSet->size() ) {
-// for ( ; nIt != nodeSet->end(); nIt++ ) { // loop on nodes of iSide
-// SMDS_ElemIteratorPtr fIt = (*nIt)->GetInverseElementIterator(SMDSAbs_Face);
-// while ( fIt->more() ) { // loop on faces sharing a node
-// const SMDS_MeshElement* f = fIt->next();
-// if ( faceSet->find( f ) == faceSet->end() ) {
-// // check if all nodes are in nodeSet and
-// // complete setOfFaceNodeSet if they are
-// set <const SMDS_MeshNode*> faceNodeSet;
-// SMDS_ElemIteratorPtr nodeIt = f->nodesIterator();
-// bool allInSet = true;
-// while ( nodeIt->more() && allInSet ) { // loop on nodes of a face
-// const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
-// if ( nodeSet->find( n ) == nodeSet->end() )
-// allInSet = false;
-// else
-// faceNodeSet.insert( n );
-// }
-// if ( allInSet ) {
-// faceSet->insert( f );
-// setOfFaceNodeSet.insert( faceNodeSet );
-// }
-// }
-// }
-// }
-// }
+ // // complete a set of faces if new nodes in a nodeSet appeared
+ // // ----------------------------------------------------------
+ // if ( nodeSetSize != nodeSet->size() ) {
+ // for ( ; nIt != nodeSet->end(); nIt++ ) { // loop on nodes of iSide
+ // SMDS_ElemIteratorPtr fIt = (*nIt)->GetInverseElementIterator(SMDSAbs_Face);
+ // while ( fIt->more() ) { // loop on faces sharing a node
+ // const SMDS_MeshElement* f = fIt->next();
+ // if ( faceSet->find( f ) == faceSet->end() ) {
+ // // check if all nodes are in nodeSet and
+ // // complete setOfFaceNodeSet if they are
+ // set <const SMDS_MeshNode*> faceNodeSet;
+ // SMDS_ElemIteratorPtr nodeIt = f->nodesIterator();
+ // bool allInSet = true;
+ // while ( nodeIt->more() && allInSet ) { // loop on nodes of a face
+ // const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nodeIt->next() );
+ // if ( nodeSet->find( n ) == nodeSet->end() )
+ // allInSet = false;
+ // else
+ // faceNodeSet.insert( n );
+ // }
+ // if ( allInSet ) {
+ // faceSet->insert( f );
+ // setOfFaceNodeSet.insert( faceNodeSet );
+ // }
+ // }
+ // }
+ // }
+ // }
} // Create temporary faces, if there are volumes given
} // loop on sides
nbl++;
if(iSide==0)
notLinkNodes1[nbl] = n;
- //notLinkNodes1.push_back(n);
+ //notLinkNodes1.push_back(n);
else
notLinkNodes2[nbl] = n;
- //notLinkNodes2.push_back(n);
+ //notLinkNodes2.push_back(n);
}
//faceNodes[ iSide ][ iNode++ ] = n;
if(iSide==0) {
//nReplaceMap.insert( TNodeNodeMap::value_type
// ( notLinkNodes[0][0], notLinkNodes[1][0] ));
nReplaceMap.insert( TNodeNodeMap::value_type
- ( notLinkNodes1[0], notLinkNodes2[0] ));
+ ( notLinkNodes1[0], notLinkNodes2[0] ));
}
else {
for ( iSide = 0; iSide < 2; iSide++ ) { // loop on 2 sides
// ( notLinkNodes[0][1], notLinkNodes[1][1] ));
for(int nn=0; nn<nbNodes-2; nn++) {
nReplaceMap.insert( TNodeNodeMap::value_type
- ( notLinkNodes1[nn], notLinkNodes2[nn] ));
+ ( notLinkNodes1[nn], notLinkNodes2[nn] ));
}
}
else {
// ( notLinkNodes[0][1], notLinkNodes[1][0] ));
for(int nn=0; nn<nbNodes-2; nn++) {
nReplaceMap.insert( TNodeNodeMap::value_type
- ( notLinkNodes1[nn], notLinkNodes2[nbNodes-3-nn] ));
+ ( notLinkNodes1[nn], notLinkNodes2[nbNodes-3-nn] ));
}
}
}
} // loop on link lists
if ( aResult == SEW_OK &&
- ( linkIt[0] != linkList[0].end() ||
- !faceSetPtr[0]->empty() || !faceSetPtr[1]->empty() )) {
+ ( linkIt[0] != linkList[0].end() ||
+ !faceSetPtr[0]->empty() || !faceSetPtr[1]->empty() )) {
MESSAGE( (linkIt[0] != linkList[0].end()) <<" "<< (faceSetPtr[0]->empty()) <<
- " " << (faceSetPtr[1]->empty()));
+ " " << (faceSetPtr[1]->empty()));
aResult = SEW_TOPO_DIFF_SETS_OF_ELEMENTS;
}
}
//================================================================================
- /*!
- * \brief Find corresponding nodes in two sets of faces
- * \param theSide1 - first face set
- * \param theSide2 - second first face
- * \param theFirstNode1 - a boundary node of set 1
- * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
- * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
- * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
- * \param nReplaceMap - output map of corresponding nodes
- * \retval bool - is a success or not
- */
+/*!
+ * \brief Find corresponding nodes in two sets of faces
+ * \param theSide1 - first face set
+ * \param theSide2 - second first face
+ * \param theFirstNode1 - a boundary node of set 1
+ * \param theFirstNode2 - a node of set 2 corresponding to theFirstNode1
+ * \param theSecondNode1 - a boundary node of set 1 linked with theFirstNode1
+ * \param theSecondNode2 - a node of set 2 corresponding to theSecondNode1
+ * \param nReplaceMap - output map of corresponding nodes
+ * \retval bool - is a success or not
+ */
//================================================================================
#ifdef _DEBUG_
}
#ifdef DEBUG_MATCHING_NODES
MESSAGE ( " Link 1: " << link[0].first->GetID() <<" "<< link[0].second->GetID()
- << " F 1: " << face[0] << "| Link 2: " << link[1].first->GetID() <<" "
- << link[1].second->GetID() << " F 2: " << face[1] << " | Bind: " ) ;
+ << " F 1: " << face[0] << "| Link 2: " << link[1].first->GetID() <<" "
+ << link[1].second->GetID() << " F 2: " << face[1] << " | Bind: " ) ;
#endif
int nbN = nbNodes[0];
{
{
#ifdef DEBUG_MATCHING_NODES
MESSAGE ( "Add link 1: " << n1->GetID() << " " << n2->GetID() << " "
- << " | link 2: " << nReplaceMap[n1]->GetID() << " " << nReplaceMap[n2]->GetID() << " " );
+ << " | link 2: " << nReplaceMap[n1]->GetID() << " " << nReplaceMap[n2]->GetID() << " " );
#endif
linkList[0].push_back ( NLink( n1, n2 ));
linkList[1].push_back ( NLink( nReplaceMap[n1], nReplaceMap[n2] ));
return SEW_OK;
}
+//================================================================================
/*!
\brief Creates a hole in a mesh by doubling the nodes of some particular elements
\param theElems - the list of elements (edges or faces) to be replicated
- The nodes for duplication could be found from these elements
+ The nodes for duplication could be found from these elements
\param theNodesNot - list of nodes to NOT replicate
\param theAffectedElems - the list of elements (cells and edges) to which the
- replicated nodes should be associated to.
+ replicated nodes should be associated to.
\return TRUE if operation has been completed successfully, FALSE otherwise
*/
+//================================================================================
+
bool SMESH_MeshEditor::DoubleNodes( const TIDSortedElemSet& theElems,
const TIDSortedElemSet& theNodesNot,
const TIDSortedElemSet& theAffectedElems )
return res;
}
+//================================================================================
/*!
\brief Creates a hole in a mesh by doubling the nodes of some particular elements
\param theMeshDS - mesh instance
\param theIsDoubleElem - flag os to replicate element or modify
\return TRUE if operation has been completed successfully, FALSE otherwise
*/
+//================================================================================
+
bool SMESH_MeshEditor::doubleNodes( SMESHDS_Mesh* theMeshDS,
const TIDSortedElemSet& theElems,
const TIDSortedElemSet& theNodesNot,
{
// iterate on through element and duplicate them (by nodes duplication)
bool res = false;
- const TIDSortedElemSet::iterator elemItr = theElems.begin();
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
for ( ; elemItr != theElems.end(); ++elemItr )
{
const SMDS_MeshElement* anElem = *elemItr;
int ind = 0;
while ( anIter->more() )
{
-
+
SMDS_MeshNode* aCurrNode = (SMDS_MeshNode*)anIter->next();
SMDS_MeshNode* aNewNode = aCurrNode;
if ( theNodeNodeMap.find( aCurrNode ) != theNodeNodeMap.end() )
theNodeNodeMap[ aCurrNode ] = aNewNode;
myLastCreatedNodes.Append( aNewNode );
}
- isDuplicate |= (aCurrNode == aNewNode);
+ isDuplicate |= (aCurrNode != aNewNode);
newNodes[ ind++ ] = aNewNode;
}
if ( !isDuplicate )
continue;
-
+
if ( theIsDoubleElem )
myLastCreatedElems.Append( AddElement(newNodes, anElem->GetType(), anElem->IsPoly()) );
else
theMeshDS->ChangeElementNodes( anElem, &newNodes[ 0 ], anElem->NbNodes() );
-
+
res = true;
}
return res;
}
+//================================================================================
/*!
- \brief Check if element located inside shape
- \return TRUE if IN or ON shape, FALSE otherwise
+ \brief Creates a hole in a mesh by doubling the nodes of some particular elements
+ \param theNodes - identifiers of nodes to be doubled
+ \param theModifiedElems - identifiers of elements to be updated by the new (doubled)
+ nodes. If list of element identifiers is empty then nodes are doubled but
+ they not assigned to elements
+ \return TRUE if operation has been completed successfully, FALSE otherwise
*/
+//================================================================================
-static bool isInside(const SMDS_MeshElement* theElem,
- BRepClass3d_SolidClassifier& theBsc3d,
- const double theTol)
+bool SMESH_MeshEditor::DoubleNodes( const std::list< int >& theListOfNodes,
+ const std::list< int >& theListOfModifiedElems )
{
- gp_XYZ centerXYZ (0, 0, 0);
- SMDS_ElemIteratorPtr aNodeItr = theElem->nodesIterator();
- while (aNodeItr->more())
+ myLastCreatedElems.Clear();
+ myLastCreatedNodes.Clear();
+
+ if ( theListOfNodes.size() == 0 )
+ return false;
+
+ SMESHDS_Mesh* aMeshDS = GetMeshDS();
+ if ( !aMeshDS )
+ return false;
+
+ // iterate through nodes and duplicate them
+
+ std::map< const SMDS_MeshNode*, const SMDS_MeshNode* > anOldNodeToNewNode;
+
+ std::list< int >::const_iterator aNodeIter;
+ for ( aNodeIter = theListOfNodes.begin(); aNodeIter != theListOfNodes.end(); ++aNodeIter )
+ {
+ int aCurr = *aNodeIter;
+ SMDS_MeshNode* aNode = (SMDS_MeshNode*)aMeshDS->FindNode( aCurr );
+ if ( !aNode )
+ continue;
+
+ // duplicate node
+
+ const SMDS_MeshNode* aNewNode = aMeshDS->AddNode( aNode->X(), aNode->Y(), aNode->Z() );
+ if ( aNewNode )
+ {
+ anOldNodeToNewNode[ aNode ] = aNewNode;
+ myLastCreatedNodes.Append( aNewNode );
+ }
+ }
+
+ // Create map of new nodes for modified elements
+
+ std::map< SMDS_MeshElement*, vector<const SMDS_MeshNode*> > anElemToNodes;
+
+ std::list< int >::const_iterator anElemIter;
+ for ( anElemIter = theListOfModifiedElems.begin();
+ anElemIter != theListOfModifiedElems.end(); ++anElemIter )
+ {
+ int aCurr = *anElemIter;
+ SMDS_MeshElement* anElem = (SMDS_MeshElement*)aMeshDS->FindElement( aCurr );
+ if ( !anElem )
+ continue;
+
+ vector<const SMDS_MeshNode*> aNodeArr( anElem->NbNodes() );
+
+ SMDS_ElemIteratorPtr anIter = anElem->nodesIterator();
+ int ind = 0;
+ while ( anIter->more() )
+ {
+ SMDS_MeshNode* aCurrNode = (SMDS_MeshNode*)anIter->next();
+ if ( aCurr && anOldNodeToNewNode.find( aCurrNode ) != anOldNodeToNewNode.end() )
+ {
+ const SMDS_MeshNode* aNewNode = anOldNodeToNewNode[ aCurrNode ];
+ aNodeArr[ ind++ ] = aNewNode;
+ }
+ else
+ aNodeArr[ ind++ ] = aCurrNode;
+ }
+ anElemToNodes[ anElem ] = aNodeArr;
+ }
+
+ // Change nodes of elements
+
+ std::map< SMDS_MeshElement*, vector<const SMDS_MeshNode*> >::iterator
+ anElemToNodesIter = anElemToNodes.begin();
+ for ( ; anElemToNodesIter != anElemToNodes.end(); ++anElemToNodesIter )
+ {
+ const SMDS_MeshElement* anElem = anElemToNodesIter->first;
+ vector<const SMDS_MeshNode*> aNodeArr = anElemToNodesIter->second;
+ if ( anElem )
+ aMeshDS->ChangeElementNodes( anElem, &aNodeArr[ 0 ], anElem->NbNodes() );
+ }
+
+ return true;
+}
+
+namespace {
+
+ //================================================================================
+ /*!
+ \brief Check if element located inside shape
+ \return TRUE if IN or ON shape, FALSE otherwise
+ */
+ //================================================================================
+
+ template<class Classifier>
+ bool isInside(const SMDS_MeshElement* theElem,
+ Classifier& theClassifier,
+ const double theTol)
{
- SMDS_MeshNode* aNode = (SMDS_MeshNode*)aNodeItr->next();
- centerXYZ += gp_XYZ(aNode->X(), aNode->Y(), aNode->Z());
+ gp_XYZ centerXYZ (0, 0, 0);
+ SMDS_ElemIteratorPtr aNodeItr = theElem->nodesIterator();
+ while (aNodeItr->more())
+ centerXYZ += SMESH_MeshEditor::TNodeXYZ(cast2Node( aNodeItr->next()));
+
+ gp_Pnt aPnt = centerXYZ / theElem->NbNodes();
+ theClassifier.Perform(aPnt, theTol);
+ TopAbs_State aState = theClassifier.State();
+ return (aState == TopAbs_IN || aState == TopAbs_ON );
}
- gp_Pnt aPnt(centerXYZ);
- theBsc3d.Perform(aPnt, theTol);
- TopAbs_State aState = theBsc3d.State();
- return (aState == TopAbs_IN || aState == TopAbs_ON );
+
+ //================================================================================
+ /*!
+ * \brief Classifier of the 3D point on the TopoDS_Face
+ * with interaface suitable for isInside()
+ */
+ //================================================================================
+
+ struct _FaceClassifier
+ {
+ Extrema_ExtPS _extremum;
+ BRepAdaptor_Surface _surface;
+ TopAbs_State _state;
+
+ _FaceClassifier(const TopoDS_Face& face):_extremum(),_surface(face),_state(TopAbs_OUT)
+ {
+ _extremum.Initialize( _surface,
+ _surface.FirstUParameter(), _surface.LastUParameter(),
+ _surface.FirstVParameter(), _surface.LastVParameter(),
+ _surface.Tolerance(), _surface.Tolerance() );
+ }
+ void Perform(const gp_Pnt& aPnt, double theTol)
+ {
+ _state = TopAbs_OUT;
+ _extremum.Perform(aPnt);
+ if ( _extremum.IsDone() )
+ for ( int iSol = 1; iSol <= _extremum.NbExt() && _state == TopAbs_OUT; ++iSol)
+ _state = ( _extremum.Value(iSol) <= theTol ? TopAbs_IN : TopAbs_OUT );
+ }
+ TopAbs_State State() const
+ {
+ return _state;
+ }
+ };
}
+//================================================================================
/*!
\brief Creates a hole in a mesh by doubling the nodes of some particular elements
\param theElems - group of of elements (edges or faces) to be replicated
- \param theNodesNot - group of nodes not to replicated
+ \param theNodesNot - group of nodes not to replicate
\param theShape - shape to detect affected elements (element which geometric center
- located on or inside shape).
- The replicated nodes should be associated to affected elements.
+ located on or inside shape).
+ The replicated nodes should be associated to affected elements.
\return TRUE if operation has been completed successfully, FALSE otherwise
*/
+//================================================================================
bool SMESH_MeshEditor::DoubleNodesInRegion( const TIDSortedElemSet& theElems,
const TIDSortedElemSet& theNodesNot,
const TopoDS_Shape& theShape )
{
- SMESHDS_Mesh* aMesh = GetMeshDS();
- if (!aMesh)
- return false;
if ( theShape.IsNull() )
return false;
const double aTol = Precision::Confusion();
- BRepClass3d_SolidClassifier bsc3d(theShape);
- bsc3d.PerformInfinitePoint(aTol);
+ auto_ptr< BRepClass3d_SolidClassifier> bsc3d;
+ auto_ptr<_FaceClassifier> aFaceClassifier;
+ if ( theShape.ShapeType() == TopAbs_SOLID )
+ {
+ bsc3d.reset( new BRepClass3d_SolidClassifier(theShape));;
+ bsc3d->PerformInfinitePoint(aTol);
+ }
+ else if (theShape.ShapeType() == TopAbs_FACE )
+ {
+ aFaceClassifier.reset( new _FaceClassifier(TopoDS::Face(theShape)));
+ }
// iterates on indicated elements and get elements by back references from their nodes
TIDSortedElemSet anAffected;
- const TIDSortedElemSet::iterator elemItr = theElems.begin();
+ TIDSortedElemSet::const_iterator elemItr = theElems.begin();
for ( ; elemItr != theElems.end(); ++elemItr )
{
SMDS_MeshElement* anElem = (SMDS_MeshElement*)*elemItr;
SMDS_ElemIteratorPtr nodeItr = anElem->nodesIterator();
while ( nodeItr->more() )
{
- const SMDS_MeshNode* aNode = static_cast<const SMDS_MeshNode*>(nodeItr->next());
+ const SMDS_MeshNode* aNode = cast2Node(nodeItr->next());
if ( !aNode || theNodesNot.find(aNode) != theNodesNot.end() )
continue;
SMDS_ElemIteratorPtr backElemItr = aNode->GetInverseElementIterator();
while ( backElemItr->more() )
{
- SMDS_MeshElement* curElem = (SMDS_MeshElement*)backElemItr->next();
+ const SMDS_MeshElement* curElem = backElemItr->next();
if ( curElem && theElems.find(curElem) == theElems.end() &&
- isInside( curElem, bsc3d, aTol ) )
+ ( bsc3d.get() ?
+ isInside( curElem, *bsc3d, aTol ) :
+ isInside( curElem, *aFaceClassifier, aTol )))
anAffected.insert( curElem );
}
}
}
return DoubleNodes( theElems, theNodesNot, anAffected );
}
+
+//================================================================================
+/*!
+ * \brief Generated skin mesh (containing 2D cells) from 3D mesh
+ * The created 2D mesh elements based on nodes of free faces of boundary volumes
+ * \return TRUE if operation has been completed successfully, FALSE otherwise
+ */
+//================================================================================
+
+bool SMESH_MeshEditor::Make2DMeshFrom3D()
+{
+ // iterates on volume elements and detect all free faces on them
+ SMESHDS_Mesh* aMesh = GetMeshDS();
+ if (!aMesh)
+ return false;
+ //bool res = false;
+ int nbFree = 0, nbExisted = 0, nbCreated = 0;
+ SMDS_VolumeIteratorPtr vIt = aMesh->volumesIterator();
+ while(vIt->more())
+ {
+ const SMDS_MeshVolume* volume = vIt->next();
+ SMDS_VolumeTool vTool( volume );
+ vTool.SetExternalNormal();
+ const bool isPoly = volume->IsPoly();
+ const bool isQuad = volume->IsQuadratic();
+ for ( int iface = 0, n = vTool.NbFaces(); iface < n; iface++ )
+ {
+ if (!vTool.IsFreeFace(iface))
+ continue;
+ nbFree++;
+ vector<const SMDS_MeshNode *> nodes;
+ int nbFaceNodes = vTool.NbFaceNodes(iface);
+ const SMDS_MeshNode** faceNodes = vTool.GetFaceNodes(iface);
+ int inode = 0;
+ for ( ; inode < nbFaceNodes; inode += isQuad ? 2 : 1)
+ nodes.push_back(faceNodes[inode]);
+ if (isQuad)
+ for ( inode = 1; inode < nbFaceNodes; inode += 2)
+ nodes.push_back(faceNodes[inode]);
+
+ // add new face based on volume nodes
+ if (aMesh->FindFace( nodes ) ) {
+ nbExisted++;
+ continue; // face already exsist
+ }
+ myLastCreatedElems.Append( AddElement(nodes, SMDSAbs_Face, isPoly && iface == 1) );
+ nbCreated++;
+ }
+ }
+ return ( nbFree==(nbExisted+nbCreated) );
+}
