1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // File : StdMeshers_Prism_3D.cxx
25 // Created : Fri Oct 20 11:37:07 2006
26 // Author : Edward AGAPOV (eap)
28 #include "StdMeshers_Prism_3D.hxx"
30 #include "SMDS_EdgePosition.hxx"
31 #include "SMDS_VolumeOfNodes.hxx"
32 #include "SMDS_VolumeTool.hxx"
33 #include "SMESH_Comment.hxx"
34 #include "SMESH_Gen.hxx"
35 #include "SMESH_HypoFilter.hxx"
36 #include "SMESH_MesherHelper.hxx"
37 #include "StdMeshers_FaceSide.hxx"
38 #include "StdMeshers_ProjectionSource1D.hxx"
39 #include "StdMeshers_ProjectionSource2D.hxx"
40 #include "StdMeshers_ProjectionUtils.hxx"
41 #include "StdMeshers_Projection_1D.hxx"
42 #include "StdMeshers_Projection_1D2D.hxx"
43 #include "StdMeshers_Quadrangle_2D.hxx"
45 #include "utilities.h"
47 #include <BRepAdaptor_CompCurve.hxx>
48 #include <BRep_Tool.hxx>
49 #include <Bnd_B3d.hxx>
50 #include <Geom2dAdaptor_Curve.hxx>
51 #include <Geom2d_Line.hxx>
52 #include <Geom_Curve.hxx>
54 #include <TopExp_Explorer.hxx>
55 #include <TopTools_ListIteratorOfListOfShape.hxx>
56 #include <TopTools_ListOfShape.hxx>
57 #include <TopTools_MapOfShape.hxx>
58 #include <TopTools_SequenceOfShape.hxx>
65 #define RETURN_BAD_RESULT(msg) { MESSAGE(")-: Error: " << msg); return false; }
66 #define gpXYZ(n) gp_XYZ(n->X(),n->Y(),n->Z())
67 #define SHOWYXZ(msg, xyz) // {\
69 // cout << msg << " ("<< p.X() << "; " <<p.Y() << "; " <<p.Z() << ") " <<endl;\
72 typedef StdMeshers_ProjectionUtils TAssocTool;
73 typedef SMESH_Comment TCom;
75 enum { ID_BOT_FACE = SMESH_Block::ID_Fxy0,
76 ID_TOP_FACE = SMESH_Block::ID_Fxy1,
77 BOTTOM_EDGE = 0, TOP_EDGE, V0_EDGE, V1_EDGE, // edge IDs in face
78 NB_WALL_FACES = 4 }; //
82 //=======================================================================
84 * \brief Quadrangle algorithm
86 struct TQuadrangleAlgo : public StdMeshers_Quadrangle_2D
88 TQuadrangleAlgo(int studyId, SMESH_Gen* gen)
89 : StdMeshers_Quadrangle_2D( gen->GetANewId(), studyId, gen)
92 static StdMeshers_Quadrangle_2D* instance( SMESH_Algo* fatherAlgo,
95 static TQuadrangleAlgo* algo = new TQuadrangleAlgo( fatherAlgo->GetStudyId(),
96 fatherAlgo->GetGen() );
99 algo->myProxyMesh->GetMesh() != mesh )
100 algo->myProxyMesh.reset( new SMESH_ProxyMesh( *mesh ));
102 algo->myQuadStruct.reset();
107 //=======================================================================
109 * \brief Algorithm projecting 1D mesh
111 struct TProjction1dAlgo : public StdMeshers_Projection_1D
113 StdMeshers_ProjectionSource1D myHyp;
115 TProjction1dAlgo(int studyId, SMESH_Gen* gen)
116 : StdMeshers_Projection_1D( gen->GetANewId(), studyId, gen),
117 myHyp( gen->GetANewId(), studyId, gen)
119 StdMeshers_Projection_1D::_sourceHypo = & myHyp;
121 static TProjction1dAlgo* instance( SMESH_Algo* fatherAlgo )
123 static TProjction1dAlgo* algo = new TProjction1dAlgo( fatherAlgo->GetStudyId(),
124 fatherAlgo->GetGen() );
128 //=======================================================================
130 * \brief Algorithm projecting 2D mesh
132 struct TProjction2dAlgo : public StdMeshers_Projection_1D2D
134 StdMeshers_ProjectionSource2D myHyp;
136 TProjction2dAlgo(int studyId, SMESH_Gen* gen)
137 : StdMeshers_Projection_1D2D( gen->GetANewId(), studyId, gen),
138 myHyp( gen->GetANewId(), studyId, gen)
140 StdMeshers_Projection_2D::_sourceHypo = & myHyp;
142 static TProjction2dAlgo* instance( SMESH_Algo* fatherAlgo )
144 static TProjction2dAlgo* algo = new TProjction2dAlgo( fatherAlgo->GetStudyId(),
145 fatherAlgo->GetGen() );
150 //================================================================================
152 * \brief Make \a botE be the BOTTOM_SIDE of \a quad.
153 * Return false if the BOTTOM_SIDE is composite
155 //================================================================================
157 bool setBottomEdge( const TopoDS_Edge& botE,
158 faceQuadStruct::Ptr& quad,
159 const TopoDS_Shape& face)
161 quad->side[ QUAD_TOP_SIDE ]->Reverse();
162 quad->side[ QUAD_LEFT_SIDE ]->Reverse();
164 for ( size_t i = 0; i < quad->side.size(); ++i )
166 StdMeshers_FaceSide* quadSide = quad->side[i];
167 for ( int iE = 0; iE < quadSide->NbEdges(); ++iE )
168 if ( botE.IsSame( quadSide->Edge( iE )))
170 if ( quadSide->NbEdges() > 1 )
173 i = quad->side.size(); // to quit from the outer loop
177 if ( edgeIndex != QUAD_BOTTOM_SIDE )
178 quad->shift( quad->side.size() - edgeIndex, /*keepUnitOri=*/false );
180 quad->face = TopoDS::Face( face );
185 //================================================================================
187 * \brief Return iterator pointing to node column for the given parameter
188 * \param columnsMap - node column map
189 * \param parameter - parameter
190 * \retval TParam2ColumnMap::iterator - result
192 * it returns closest left column
194 //================================================================================
196 TParam2ColumnIt getColumn( const TParam2ColumnMap* columnsMap,
197 const double parameter )
199 TParam2ColumnIt u_col = columnsMap->upper_bound( parameter );
200 if ( u_col != columnsMap->begin() )
202 return u_col; // return left column
205 //================================================================================
207 * \brief Return nodes around given parameter and a ratio
208 * \param column - node column
209 * \param param - parameter
210 * \param node1 - lower node
211 * \param node2 - upper node
212 * \retval double - ratio
214 //================================================================================
216 double getRAndNodes( const TNodeColumn* column,
218 const SMDS_MeshNode* & node1,
219 const SMDS_MeshNode* & node2)
221 if ( param >= 1.0 || column->size() == 1) {
222 node1 = node2 = column->back();
226 int i = int( param * ( column->size() - 1 ));
227 double u0 = double( i )/ double( column->size() - 1 );
228 double r = ( param - u0 ) * ( column->size() - 1 );
230 node1 = (*column)[ i ];
231 node2 = (*column)[ i + 1];
235 //================================================================================
237 * \brief Compute boundary parameters of face parts
238 * \param nbParts - nb of parts to split columns into
239 * \param columnsMap - node columns of the face to split
240 * \param params - computed parameters
242 //================================================================================
244 void splitParams( const int nbParts,
245 const TParam2ColumnMap* columnsMap,
246 vector< double > & params)
249 params.reserve( nbParts + 1 );
250 TParam2ColumnIt last_par_col = --columnsMap->end();
251 double par = columnsMap->begin()->first; // 0.
252 double parLast = last_par_col->first;
253 params.push_back( par );
254 for ( int i = 0; i < nbParts - 1; ++ i )
256 double partSize = ( parLast - par ) / double ( nbParts - i );
257 TParam2ColumnIt par_col = getColumn( columnsMap, par + partSize );
258 if ( par_col->first == par ) {
260 if ( par_col == last_par_col ) {
261 while ( i < nbParts - 1 )
262 params.push_back( par + partSize * i++ );
266 par = par_col->first;
267 params.push_back( par );
269 params.push_back( parLast ); // 1.
272 //================================================================================
274 * \brief Return coordinate system for z-th layer of nodes
276 //================================================================================
278 gp_Ax2 getLayerCoordSys(const int z,
279 const vector< const TNodeColumn* >& columns,
282 // gravity center of a layer
285 for ( int i = 0; i < columns.size(); ++i )
287 O += gpXYZ( (*columns[ i ])[ z ]);
288 if ( vertexCol < 0 &&
289 columns[ i ]->front()->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
296 int iPrev = columns.size()-1;
297 for ( int i = 0; i < columns.size(); ++i )
299 gp_Vec v1( O, gpXYZ( (*columns[ iPrev ])[ z ]));
300 gp_Vec v2( O, gpXYZ( (*columns[ i ] )[ z ]));
305 if ( vertexCol >= 0 )
307 O = gpXYZ( (*columns[ vertexCol ])[ z ]);
309 if ( xColumn < 0 || xColumn >= columns.size() )
311 // select a column for X dir
313 for ( int i = 0; i < columns.size(); ++i )
315 double dist = ( O - gpXYZ((*columns[ i ])[ z ])).SquareModulus();
316 if ( dist > maxDist )
325 gp_Vec X( O, gpXYZ( (*columns[ xColumn ])[ z ]));
327 return gp_Ax2( O, Z, X);
330 //================================================================================
332 * \brief Removes submeshes that are or can be meshed with regular grid from given list
333 * \retval int - nb of removed submeshes
335 //================================================================================
337 int removeQuasiQuads(list< SMESH_subMesh* >& notQuadSubMesh,
338 SMESH_MesherHelper* helper,
339 StdMeshers_Quadrangle_2D* quadAlgo)
342 //SMESHDS_Mesh* mesh = notQuadSubMesh.front()->GetFather()->GetMeshDS();
343 list< SMESH_subMesh* >::iterator smIt = notQuadSubMesh.begin();
344 while ( smIt != notQuadSubMesh.end() )
346 SMESH_subMesh* faceSm = *smIt;
347 SMESHDS_SubMesh* faceSmDS = faceSm->GetSubMeshDS();
348 int nbQuads = faceSmDS ? faceSmDS->NbElements() : 0;
351 toRemove = helper->IsStructured( faceSm );
353 toRemove = quadAlgo->CheckNbEdges( *helper->GetMesh(),
354 faceSm->GetSubShape() );
355 nbRemoved += toRemove;
357 smIt = notQuadSubMesh.erase( smIt );
367 //=======================================================================
368 //function : StdMeshers_Prism_3D
370 //=======================================================================
372 StdMeshers_Prism_3D::StdMeshers_Prism_3D(int hypId, int studyId, SMESH_Gen* gen)
373 :SMESH_3D_Algo(hypId, studyId, gen)
376 _shapeType = (1 << TopAbs_SOLID); // 1 bit per shape type
377 _onlyUnaryInput = false; // accept all SOLIDs at once
378 _requireDiscreteBoundary = false; // mesh FACEs and EDGEs by myself
379 _supportSubmeshes = true; // "source" FACE must be meshed by other algo
380 _neededLowerHyps[ 1 ] = true; // suppress warning on hiding a global 1D algo
381 _neededLowerHyps[ 2 ] = true; // suppress warning on hiding a global 2D algo
383 //myProjectTriangles = false;
384 mySetErrorToSM = true; // to pass an error to a sub-mesh of a current solid or not
387 //================================================================================
391 //================================================================================
393 StdMeshers_Prism_3D::~StdMeshers_Prism_3D()
396 //=======================================================================
397 //function : CheckHypothesis
399 //=======================================================================
401 bool StdMeshers_Prism_3D::CheckHypothesis(SMESH_Mesh& aMesh,
402 const TopoDS_Shape& aShape,
403 SMESH_Hypothesis::Hypothesis_Status& aStatus)
405 // Check shape geometry
407 aStatus = SMESH_Hypothesis::HYP_BAD_GEOMETRY;
409 // find not quadrangle faces
410 list< TopoDS_Shape > notQuadFaces;
411 int nbEdge, nbWire, nbFace = 0;
412 TopExp_Explorer exp( aShape, TopAbs_FACE );
413 for ( ; exp.More(); exp.Next() ) {
415 const TopoDS_Shape& face = exp.Current();
416 nbEdge = TAssocTool::Count( face, TopAbs_EDGE, 0 );
417 nbWire = TAssocTool::Count( face, TopAbs_WIRE, 0 );
418 if ( nbEdge!= 4 || nbWire!= 1 ) {
419 if ( !notQuadFaces.empty() ) {
420 if ( TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 ) != nbEdge ||
421 TAssocTool::Count( notQuadFaces.back(), TopAbs_WIRE, 0 ) != nbWire )
422 RETURN_BAD_RESULT("Different not quad faces");
424 notQuadFaces.push_back( face );
427 if ( !notQuadFaces.empty() )
429 if ( notQuadFaces.size() != 2 )
430 RETURN_BAD_RESULT("Bad nb not quad faces: " << notQuadFaces.size());
432 // check total nb faces
433 nbEdge = TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 );
434 if ( nbFace != nbEdge + 2 )
435 RETURN_BAD_RESULT("Bad nb of faces: " << nbFace << " but must be " << nbEdge + 2);
439 aStatus = SMESH_Hypothesis::HYP_OK;
443 //=======================================================================
445 //purpose : Compute mesh on a COMPOUND of SOLIDs
446 //=======================================================================
448 bool StdMeshers_Prism_3D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape)
450 SMESH_MesherHelper helper( theMesh );
453 int nbSolids = helper.Count( theShape, TopAbs_SOLID, /*skipSame=*/false );
457 Prism_3D::TPrismTopo prism;
461 return ( initPrism( prism, TopExp_Explorer( theShape, TopAbs_SOLID ).Current() ) &&
465 TopTools_IndexedDataMapOfShapeListOfShape faceToSolids;
466 TopExp::MapShapesAndAncestors( theShape, TopAbs_FACE, TopAbs_SOLID, faceToSolids );
468 // look for meshed FACEs ("source" FACEs) that must be prism bottoms
469 list< TopoDS_Face > meshedFaces;//, notQuadMeshedFaces, notQuadFaces;
470 const bool meshHasQuads = ( theMesh.NbQuadrangles() > 0 );
471 for ( int iF = 1; iF < faceToSolids.Extent(); ++iF )
473 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
474 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
475 if ( !faceSM->IsEmpty() )
477 if ( !meshHasQuads ||
478 !helper.IsSameElemGeometry( faceSM->GetSubMeshDS(), SMDSGeom_QUADRANGLE ) ||
479 !helper.IsStructured( faceSM ))
480 // notQuadMeshedFaces are of higher priority
481 meshedFaces.push_front( face );
483 meshedFaces.push_back( face );
486 //meshedFaces.splice( meshedFaces.begin(), notQuadMeshedFaces );
488 // if ( meshedFaces.empty() )
489 // return error( COMPERR_BAD_INPUT_MESH, "No meshed source faces found" );
491 TopTools_MapOfShape meshedSolids;
492 list< Prism_3D::TPrismTopo > meshedPrism;
493 TopTools_ListIteratorOfListOfShape solidIt;
495 while ( meshedSolids.Extent() < nbSolids )
497 if ( _computeCanceled )
498 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
500 // compute prisms having avident computed source FACE
501 while ( !meshedFaces.empty() )
503 TopoDS_Face face = meshedFaces.front();
504 meshedFaces.pop_front();
505 TopTools_ListOfShape& solidList = faceToSolids.ChangeFromKey( face );
506 while ( !solidList.IsEmpty() )
508 TopoDS_Shape solid = solidList.First();
509 solidList.RemoveFirst();
510 if ( meshedSolids.Add( solid ))
513 prism.myBottom = face;
514 if ( !initPrism( prism, solid ) ||
518 meshedFaces.push_front( prism.myTop );
519 meshedPrism.push_back( prism );
523 if ( meshedSolids.Extent() == nbSolids )
526 // below in the loop we try to find source FACEs somehow
528 // project mesh from source FACEs of computed prisms to
529 // prisms sharing wall FACEs
530 list< Prism_3D::TPrismTopo >::iterator prismIt = meshedPrism.begin();
531 for ( ; prismIt != meshedPrism.end(); ++prismIt )
533 for ( size_t iW = 0; iW < prismIt->myWallQuads.size(); ++iW )
535 Prism_3D::TQuadList::iterator wQuad = prismIt->myWallQuads[iW].begin();
536 for ( ; wQuad != prismIt->myWallQuads[iW].end(); ++ wQuad )
538 const TopoDS_Face& wFace = (*wQuad)->face;
539 TopTools_ListOfShape& solidList = faceToSolids.ChangeFromKey( wFace );
540 solidIt.Initialize( solidList );
541 while ( solidIt.More() )
543 const TopoDS_Shape& solid = solidIt.Value();
544 if ( meshedSolids.Contains( solid )) {
545 solidList.Remove( solidIt );
546 continue; // already computed prism
548 // find a source FACE of the SOLID: it's a FACE sharing a bottom EDGE with wFace
549 const TopoDS_Edge& wEdge = (*wQuad)->side[ QUAD_TOP_SIDE ]->Edge(0);
550 PShapeIteratorPtr faceIt = myHelper->GetAncestors( wEdge, *myHelper->GetMesh(),
552 while ( const TopoDS_Shape* f = faceIt->next() )
554 const TopoDS_Face& candidateF = TopoDS::Face( *f );
556 prism.myBottom = candidateF;
557 mySetErrorToSM = false;
558 if ( !myHelper->IsSubShape( candidateF, prismIt->myShape3D ) &&
559 !myHelper->GetMesh()->GetSubMesh( candidateF )->IsMeshComputed() &&
560 initPrism( prism, solid ) &&
561 project2dMesh( prismIt->myBottom, candidateF))
563 mySetErrorToSM = true;
564 if ( !compute( prism ))
566 meshedFaces.push_front( prism.myTop );
567 meshedFaces.push_front( prism.myBottom );
568 meshedPrism.push_back( prism );
569 meshedSolids.Add( solid );
573 mySetErrorToSM = true;
575 if ( meshedSolids.Contains( solid ))
576 solidList.Remove( solidIt );
582 if ( !meshedFaces.empty() )
583 break; // to compute prisms with avident sources
586 // find FACEs with local 1D hyps, which has to be computed by now,
587 // or at least any computed FACEs
588 for ( int iF = 1; ( meshedFaces.empty() && iF < faceToSolids.Extent() ); ++iF )
590 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
591 const TopTools_ListOfShape& solidList = faceToSolids.FindFromKey( face );
592 if ( solidList.IsEmpty() ) continue;
593 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
594 if ( !faceSM->IsEmpty() )
596 meshedFaces.push_back( face ); // lower priority
600 bool allSubMeComputed = true;
601 SMESH_subMeshIteratorPtr smIt = faceSM->getDependsOnIterator(false,true);
602 while ( smIt->more() && allSubMeComputed )
603 allSubMeComputed = smIt->next()->IsMeshComputed();
604 if ( allSubMeComputed )
606 faceSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
607 if ( !faceSM->IsEmpty() )
608 meshedFaces.push_front( face ); // higher priority
610 faceSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
616 // TODO. there are other ways to find out the source FACE:
617 // propagation, topological similarity, ect.
620 if ( meshedFaces.empty() ) // set same error to 10 not-computed solids
622 SMESH_ComputeErrorPtr err = SMESH_ComputeError::New
623 ( COMPERR_BAD_INPUT_MESH, "No meshed source face found", this );
625 const int maxNbErrors = 10; // limit nb errors not to overload the Compute dialog
626 TopExp_Explorer solid( theShape, TopAbs_SOLID );
627 for ( int i = 0; ( i < maxNbErrors && solid.More() ); ++i, solid.Next() )
628 if ( !meshedSolids.Contains( solid.Current() ))
630 SMESH_subMesh* sm = theMesh.GetSubMesh( solid.Current() );
631 sm->GetComputeError() = err;
639 //================================================================================
641 * \brief Find wall faces by bottom edges
643 //================================================================================
645 bool StdMeshers_Prism_3D::getWallFaces( Prism_3D::TPrismTopo & thePrism,
646 const int totalNbFaces)
648 thePrism.myWallQuads.clear();
650 SMESH_Mesh* mesh = myHelper->GetMesh();
652 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, mesh );
654 TopTools_MapOfShape faceMap;
655 TopTools_IndexedDataMapOfShapeListOfShape edgeToFaces;
656 TopExp::MapShapesAndAncestors( thePrism.myShape3D,
657 TopAbs_EDGE, TopAbs_FACE, edgeToFaces );
659 // ------------------------------
660 // Get the 1st row of wall FACEs
661 // ------------------------------
663 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
664 std::list< int >::iterator nbE = thePrism.myNbEdgesInWires.begin();
666 while ( edge != thePrism.myBottomEdges.end() )
669 if ( BRep_Tool::Degenerated( *edge ))
671 edge = thePrism.myBottomEdges.erase( edge );
677 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( *edge ));
678 for ( ; faceIt.More(); faceIt.Next() )
680 const TopoDS_Face& face = TopoDS::Face( faceIt.Value() );
681 if ( !thePrism.myBottom.IsSame( face ))
683 Prism_3D::TQuadList quadList( 1, quadAlgo->CheckNbEdges( *mesh, face ));
684 if ( !quadList.back() )
685 return toSM( error(TCom("Side face #") << shapeID( face )
686 << " not meshable with quadrangles"));
687 if ( ! setBottomEdge( *edge, quadList.back(), face ))
688 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
689 thePrism.myWallQuads.push_back( quadList );
703 // -------------------------
704 // Find the rest wall FACEs
705 // -------------------------
707 // Compose a vector of indixes of right neighbour FACE for each wall FACE
708 // that is not so evident in case of several WIREs
709 thePrism.myRightQuadIndex.clear();
710 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
711 thePrism.myRightQuadIndex.push_back( i+1 );
712 list< int >::iterator nbEinW = thePrism.myNbEdgesInWires.begin();
713 for ( int iLeft = 0; nbEinW != thePrism.myNbEdgesInWires.end(); ++nbEinW )
715 thePrism.myRightQuadIndex[ iLeft + *nbEinW - 1 ] = iLeft; // 1st EDGE index of a current WIRE
719 while ( totalNbFaces - faceMap.Extent() > 2 )
721 // find wall FACEs adjacent to each of wallQuads by the right side EDGE
724 nbKnownFaces = faceMap.Extent();
725 StdMeshers_FaceSide *rightSide, *topSide; // sides of the quad
726 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
728 rightSide = thePrism.myWallQuads[i].back()->side[ QUAD_RIGHT_SIDE ];
729 for ( int iE = 0; iE < rightSide->NbEdges(); ++iE ) // rightSide can be composite
731 const TopoDS_Edge & rightE = rightSide->Edge( iE );
732 TopTools_ListIteratorOfListOfShape face( edgeToFaces.FindFromKey( rightE ));
733 for ( ; face.More(); face.Next() )
734 if ( faceMap.Add( face.Value() ))
736 // a new wall FACE encountered, store it in thePrism.myWallQuads
737 const int iRight = thePrism.myRightQuadIndex[i];
738 topSide = thePrism.myWallQuads[ iRight ].back()->side[ QUAD_TOP_SIDE ];
739 const TopoDS_Edge& newBotE = topSide->Edge(0);
740 const TopoDS_Shape& newWallF = face.Value();
741 thePrism.myWallQuads[ iRight ].push_back( quadAlgo->CheckNbEdges( *mesh, newWallF ));
742 if ( !thePrism.myWallQuads[ iRight ].back() )
743 return toSM( error(TCom("Side face #") << shapeID( newWallF ) <<
744 " not meshable with quadrangles"));
745 if ( ! setBottomEdge( newBotE, thePrism.myWallQuads[ iRight ].back(), newWallF ))
746 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
750 } while ( nbKnownFaces != faceMap.Extent() );
752 // find wall FACEs adjacent to each of thePrism.myWallQuads by the top side EDGE
753 if ( totalNbFaces - faceMap.Extent() > 2 )
755 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
757 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
758 const TopoDS_Edge & topE = topSide->Edge( 0 );
759 if ( topSide->NbEdges() > 1 )
760 return toSM( error(COMPERR_BAD_SHAPE, TCom("Side face #") <<
761 shapeID( thePrism.myWallQuads[i].back()->face )
762 << " has a composite top edge"));
763 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( topE ));
764 for ( ; faceIt.More(); faceIt.Next() )
765 if ( faceMap.Add( faceIt.Value() ))
767 // a new wall FACE encountered, store it in wallQuads
768 thePrism.myWallQuads[ i ].push_back( quadAlgo->CheckNbEdges( *mesh, faceIt.Value() ));
769 if ( !thePrism.myWallQuads[ i ].back() )
770 return toSM( error(TCom("Side face #") << shapeID( faceIt.Value() ) <<
771 " not meshable with quadrangles"));
772 if ( ! setBottomEdge( topE, thePrism.myWallQuads[ i ].back(), faceIt.Value() ))
773 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
774 if ( totalNbFaces - faceMap.Extent() == 2 )
776 i = thePrism.myWallQuads.size(); // to quit from the outer loop
782 } // while ( totalNbFaces - faceMap.Extent() > 2 )
784 // ------------------
786 // ------------------
788 if ( thePrism.myTop.IsNull() )
790 // now only top and bottom FACEs are not in the faceMap
791 faceMap.Add( thePrism.myBottom );
792 for ( TopExp_Explorer f( thePrism.myShape3D, TopAbs_FACE );f.More(); f.Next() )
793 if ( !faceMap.Contains( f.Current() )) {
794 thePrism.myTop = TopoDS::Face( f.Current() );
797 if ( thePrism.myTop.IsNull() )
798 return toSM( error("Top face not found"));
801 // Check that the top FACE shares all the top EDGEs
802 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
804 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
805 const TopoDS_Edge & topE = topSide->Edge( 0 );
806 if ( !myHelper->IsSubShape( topE, thePrism.myTop ))
807 return toSM( error( TCom("Wrong source face (#") << shapeID( thePrism.myBottom )));
813 //=======================================================================
815 //purpose : Compute mesh on a SOLID
816 //=======================================================================
818 bool StdMeshers_Prism_3D::compute(const Prism_3D::TPrismTopo& thePrism)
820 myHelper->IsQuadraticSubMesh( thePrism.myShape3D );
821 if ( _computeCanceled )
822 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
824 // Make all side FACEs of thePrism meshed with quads
825 if ( !computeWalls( thePrism ))
828 // Analyse mesh and geometry to find block sub-shapes and submeshes
829 if ( !myBlock.Init( myHelper, thePrism ))
830 return toSM( error( myBlock.GetError()));
832 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
834 int volumeID = meshDS->ShapeToIndex( thePrism.myShape3D );
837 // To compute coordinates of a node inside a block, it is necessary to know
838 // 1. normalized parameters of the node by which
839 // 2. coordinates of node projections on all block sub-shapes are computed
841 // So we fill projections on vertices at once as they are same for all nodes
842 myShapeXYZ.resize( myBlock.NbSubShapes() );
843 for ( int iV = SMESH_Block::ID_FirstV; iV < SMESH_Block::ID_FirstE; ++iV ) {
844 myBlock.VertexPoint( iV, myShapeXYZ[ iV ]);
845 SHOWYXZ("V point " <<iV << " ", myShapeXYZ[ iV ]);
848 // Projections on the top and bottom faces are taken from nodes existing
849 // on these faces; find correspondence between bottom and top nodes
850 myBotToColumnMap.clear();
851 if ( !assocOrProjBottom2Top() ) // it also fills myBotToColumnMap
855 // Create nodes inside the block
857 // try to use transformation (issue 0020680)
858 vector<gp_Trsf> trsf;
859 if ( myBlock.GetLayersTransformation( trsf, thePrism ))
861 // loop on nodes inside the bottom face
862 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
863 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
865 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
866 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
867 continue; // node is not inside face
869 // column nodes; middle part of the column are zero pointers
870 TNodeColumn& column = bot_column->second;
871 TNodeColumn::iterator columnNodes = column.begin();
872 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
874 const SMDS_MeshNode* & node = *columnNodes;
875 if ( node ) continue; // skip bottom or top node
877 gp_XYZ coords = tBotNode.GetCoords();
878 trsf[z-1].Transforms( coords );
879 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
880 meshDS->SetNodeInVolume( node, volumeID );
882 } // loop on bottom nodes
884 else // use block approach
886 // loop on nodes inside the bottom face
887 Prism_3D::TNode prevBNode;
888 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
889 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
891 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
892 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
893 continue; // node is not inside face
895 // column nodes; middle part of the column are zero pointers
896 TNodeColumn& column = bot_column->second;
898 // compute bottom node parameters
899 gp_XYZ paramHint(-1,-1,-1);
900 if ( prevBNode.IsNeighbor( tBotNode ))
901 paramHint = prevBNode.GetParams();
902 if ( !myBlock.ComputeParameters( tBotNode.GetCoords(), tBotNode.ChangeParams(),
903 ID_BOT_FACE, paramHint ))
904 return toSM( error(TCom("Can't compute normalized parameters for node ")
905 << tBotNode.myNode->GetID() << " on the face #"
906 << myBlock.SubMesh( ID_BOT_FACE )->GetId() ));
907 prevBNode = tBotNode;
909 myShapeXYZ[ ID_BOT_FACE ] = tBotNode.GetCoords();
910 gp_XYZ botParams = tBotNode.GetParams();
912 // compute top node parameters
913 myShapeXYZ[ ID_TOP_FACE ] = gpXYZ( column.back() );
914 gp_XYZ topParams = botParams;
916 if ( column.size() > 2 ) {
917 gp_Pnt topCoords = myShapeXYZ[ ID_TOP_FACE ];
918 if ( !myBlock.ComputeParameters( topCoords, topParams, ID_TOP_FACE, topParams ))
919 return toSM( error(TCom("Can't compute normalized parameters ")
920 << "for node " << column.back()->GetID()
921 << " on the face #"<< column.back()->getshapeId() ));
925 TNodeColumn::iterator columnNodes = column.begin();
926 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
928 const SMDS_MeshNode* & node = *columnNodes;
929 if ( node ) continue; // skip bottom or top node
931 // params of a node to create
932 double rz = (double) z / (double) ( column.size() - 1 );
933 gp_XYZ params = botParams * ( 1 - rz ) + topParams * rz;
935 // set coords on all faces and nodes
936 const int nbSideFaces = 4;
937 int sideFaceIDs[nbSideFaces] = { SMESH_Block::ID_Fx0z,
938 SMESH_Block::ID_Fx1z,
939 SMESH_Block::ID_F0yz,
940 SMESH_Block::ID_F1yz };
941 for ( int iF = 0; iF < nbSideFaces; ++iF )
942 if ( !setFaceAndEdgesXYZ( sideFaceIDs[ iF ], params, z ))
945 // compute coords for a new node
947 if ( !SMESH_Block::ShellPoint( params, myShapeXYZ, coords ))
948 return toSM( error("Can't compute coordinates by normalized parameters"));
950 SHOWYXZ("TOPFacePoint ",myShapeXYZ[ ID_TOP_FACE]);
951 SHOWYXZ("BOT Node "<< tBotNode.myNode->GetID(),gpXYZ(tBotNode.myNode));
952 SHOWYXZ("ShellPoint ",coords);
955 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
956 meshDS->SetNodeInVolume( node, volumeID );
958 } // loop on bottom nodes
963 SMESHDS_SubMesh* smDS = myBlock.SubMeshDS( ID_BOT_FACE );
964 if ( !smDS ) return toSM( error(COMPERR_BAD_INPUT_MESH, "Null submesh"));
966 // loop on bottom mesh faces
967 SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
968 while ( faceIt->more() )
970 const SMDS_MeshElement* face = faceIt->next();
971 if ( !face || face->GetType() != SMDSAbs_Face )
974 // find node columns for each node
975 int nbNodes = face->NbCornerNodes();
976 vector< const TNodeColumn* > columns( nbNodes );
977 for ( int i = 0; i < nbNodes; ++i )
979 const SMDS_MeshNode* n = face->GetNode( i );
980 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
981 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
982 if ( bot_column == myBotToColumnMap.end() )
983 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
984 columns[ i ] = & bot_column->second;
987 columns[ i ] = myBlock.GetNodeColumn( n );
989 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
993 AddPrisms( columns, myHelper );
995 } // loop on bottom mesh faces
998 myBotToColumnMap.clear();
1004 //=======================================================================
1005 //function : computeWalls
1006 //purpose : Compute 2D mesh on walls FACEs of a prism
1007 //=======================================================================
1009 bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
1011 SMESH_Mesh* mesh = myHelper->GetMesh();
1012 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
1014 TProjction1dAlgo* projector1D = TProjction1dAlgo::instance( this );
1015 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, mesh );
1017 SMESH_HypoFilter hyp1dFilter( SMESH_HypoFilter::IsAlgo(),/*not=*/true);
1018 hyp1dFilter.And( SMESH_HypoFilter::HasDim( 1 ));
1019 hyp1dFilter.And( SMESH_HypoFilter::IsMoreLocalThan( thePrism.myShape3D, *mesh ));
1021 // Discretize equally 'vertical' EDGEs
1022 // -----------------------------------
1023 // find source FACE sides for projection: either already computed ones or
1024 // the 'most composite' ones
1025 multimap< int, int > wgt2quad;
1026 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1028 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1029 int wgt = 0; // "weight"
1030 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1032 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ];
1033 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1036 const TopoDS_Edge& E = lftSide->Edge(i);
1037 if ( mesh->GetSubMesh( E )->IsMeshComputed() )
1039 else if ( mesh->GetHypothesis( E, hyp1dFilter, true )) // local hypothesis!
1043 wgt2quad.insert( make_pair( wgt, iW ));
1046 // Project 'vertical' EDGEs, from left to right
1047 multimap< int, int >::reverse_iterator w2q = wgt2quad.rbegin();
1048 for ( ; w2q != wgt2quad.rend(); ++w2q )
1050 const int iW = w2q->second;
1051 const Prism_3D::TQuadList& quads = thePrism.myWallQuads[ iW ];
1052 Prism_3D::TQuadList::const_iterator quad = quads.begin();
1053 for ( ; quad != quads.end(); ++quad )
1055 StdMeshers_FaceSide* rgtSide = (*quad)->side[ QUAD_RIGHT_SIDE ]; // tgt
1056 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ]; // src
1057 bool swapLeftRight = ( lftSide->NbSegments( /*update=*/true ) == 0 &&
1058 rgtSide->NbSegments( /*update=*/true ) > 0 );
1059 if ( swapLeftRight )
1060 std::swap( lftSide, rgtSide );
1062 // assure that all the source (left) EDGEs are meshed
1063 int nbSrcSegments = 0;
1064 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1066 const TopoDS_Edge& srcE = lftSide->Edge(i);
1067 SMESH_subMesh* srcSM = mesh->GetSubMesh( srcE );
1068 if ( !srcSM->IsMeshComputed() ) {
1069 srcSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1070 srcSM->ComputeStateEngine ( SMESH_subMesh::COMPUTE );
1071 if ( !srcSM->IsMeshComputed() )
1074 nbSrcSegments += srcSM->GetSubMeshDS()->NbElements();
1076 // check target EDGEs
1077 int nbTgtMeshed = 0, nbTgtSegments = 0;
1078 vector< bool > isTgtEdgeComputed( rgtSide->NbEdges() );
1079 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1081 const TopoDS_Edge& tgtE = rgtSide->Edge(i);
1082 SMESH_subMesh* tgtSM = mesh->GetSubMesh( tgtE );
1083 if (( isTgtEdgeComputed[ i ] = tgtSM->IsMeshComputed() )) {
1085 nbTgtSegments += tgtSM->GetSubMeshDS()->NbElements();
1088 if ( rgtSide->NbEdges() == nbTgtMeshed ) // all tgt EDGEs meshed
1090 if ( nbTgtSegments != nbSrcSegments )
1092 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1093 addBadInputElements( meshDS->MeshElements( lftSide->Edge( i )));
1094 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1095 addBadInputElements( meshDS->MeshElements( rgtSide->Edge( i )));
1096 return toSM( error( TCom("Different nb of segment on logically vertical edges #")
1097 << shapeID( lftSide->Edge(0) ) << " and #"
1098 << shapeID( rgtSide->Edge(0) ) << ": "
1099 << nbSrcSegments << " != " << nbTgtSegments ));
1104 if ( nbTgtMeshed == 0 )
1106 // compute nodes on target VERTEXes
1107 const UVPtStructVec& srcNodeStr = lftSide->GetUVPtStruct();
1108 if ( srcNodeStr.size() == 0 )
1109 return toSM( error( TCom("Invalid node positions on edge #") <<
1110 shapeID( lftSide->Edge(0) )));
1111 vector< SMDS_MeshNode* > newNodes( srcNodeStr.size() );
1112 for ( int is2ndV = 0; is2ndV < 2; ++is2ndV )
1114 const TopoDS_Edge& E = rgtSide->Edge( is2ndV ? rgtSide->NbEdges()-1 : 0 );
1115 TopoDS_Vertex v = myHelper->IthVertex( is2ndV, E );
1116 mesh->GetSubMesh( v )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1117 const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, meshDS );
1118 newNodes[ is2ndV ? 0 : newNodes.size()-1 ] = (SMDS_MeshNode*) n;
1121 // compute nodes on target EDGEs
1122 rgtSide->Reverse(); // direct it same as the lftSide
1123 myHelper->SetElementsOnShape( false );
1124 TopoDS_Edge tgtEdge;
1125 for ( size_t iN = 1; iN < srcNodeStr.size()-1; ++iN ) // add nodes
1127 gp_Pnt p = rgtSide->Value3d ( srcNodeStr[ iN ].normParam );
1128 double u = rgtSide->Parameter( srcNodeStr[ iN ].normParam, tgtEdge );
1129 newNodes[ iN ] = meshDS->AddNode( p.X(), p.Y(), p.Z() );
1130 meshDS->SetNodeOnEdge( newNodes[ iN ], tgtEdge, u );
1132 for ( size_t iN = 1; iN < srcNodeStr.size(); ++iN ) // add segments
1134 SMDS_MeshElement* newEdge = myHelper->AddEdge( newNodes[ iN-1 ], newNodes[ iN ] );
1135 std::pair<int, TopAbs_ShapeEnum> id2type =
1136 myHelper->GetMediumPos( newNodes[ iN-1 ], newNodes[ iN ] );
1137 if ( id2type.second == TopAbs_EDGE )
1139 meshDS->SetMeshElementOnShape( newEdge, id2type.first );
1141 else // new nodes are on different EDGEs; put one of them on VERTEX
1143 const int edgeIndex = rgtSide->EdgeIndex( srcNodeStr[ iN-1 ].normParam );
1144 const double vertexParam = rgtSide->LastParameter( edgeIndex );
1145 const gp_Pnt p = BRep_Tool::Pnt( rgtSide->LastVertex( edgeIndex ));
1146 const int isPrev = ( Abs( srcNodeStr[ iN-1 ].normParam - vertexParam ) <
1147 Abs( srcNodeStr[ iN ].normParam - vertexParam ));
1148 meshDS->SetMeshElementOnShape( newEdge, newNodes[ iN-(1-isPrev) ]->getshapeId() );
1149 meshDS->UnSetNodeOnShape( newNodes[ iN-isPrev ] );
1150 meshDS->SetNodeOnVertex ( newNodes[ iN-isPrev ], rgtSide->LastVertex( edgeIndex ));
1151 meshDS->MoveNode( newNodes[ iN-isPrev ], p.X(), p.Y(), p.Z() );
1154 myHelper->SetElementsOnShape( true );
1155 for ( int i = 0; i < rgtSide->NbEdges(); ++i ) // update state of sub-meshes
1157 const TopoDS_Edge& E = rgtSide->Edge( i );
1158 SMESH_subMesh* tgtSM = mesh->GetSubMesh( E );
1159 tgtSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1162 // to continue projection from the just computed side as a source
1163 if ( !swapLeftRight && rgtSide->NbEdges() > 1 && w2q->second == iW )
1165 std::pair<int,int> wgt2quadKeyVal( w2q->first + 1, thePrism.myRightQuadIndex[ iW ]);
1166 wgt2quad.insert( wgt2quadKeyVal ); // it will be skipped by ++w2q
1167 wgt2quad.insert( wgt2quadKeyVal );
1168 w2q = wgt2quad.rbegin();
1173 // HOPE assigned hypotheses are OK, so that equal nb of segments will be generated
1174 //return toSM( error("Partial projection not implemented"));
1176 } // loop on quads of a composite wall side
1177 } // loop on the ordered wall sides
1181 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1183 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1184 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1186 // Top EDGEs must be projections from the bottom ones
1187 // to compute stuctured quad mesh on wall FACEs
1188 // ---------------------------------------------------
1189 const TopoDS_Edge& botE = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge(0);
1190 const TopoDS_Edge& topE = (*quad)->side[ QUAD_TOP_SIDE ]->Edge(0);
1192 projector1D->myHyp.SetSourceEdge( botE );
1194 SMESH_subMesh* tgtEdgeSm = mesh->GetSubMesh( topE );
1195 if ( !tgtEdgeSm->IsMeshComputed() )
1197 // compute nodes on VERTEXes
1198 tgtEdgeSm->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1200 projector1D->InitComputeError();
1201 bool ok = projector1D->Compute( *mesh, topE );
1204 SMESH_ComputeErrorPtr err = projector1D->GetComputeError();
1205 if ( err->IsOK() ) err->myName = COMPERR_ALGO_FAILED;
1206 tgtEdgeSm->GetComputeError() = err;
1210 tgtEdgeSm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1212 // Compute quad mesh on wall FACEs
1213 // -------------------------------
1214 const TopoDS_Face& face = (*quad)->face;
1215 SMESH_subMesh* fSM = mesh->GetSubMesh( face );
1216 if ( fSM->IsMeshComputed() ) continue;
1218 // make all EDGES meshed
1219 fSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1220 if ( !fSM->SubMeshesComputed() )
1221 return toSM( error( COMPERR_BAD_INPUT_MESH,
1222 "Not all edges have valid algorithm and hypothesis"));
1224 quadAlgo->InitComputeError();
1225 bool ok = quadAlgo->Compute( *mesh, face );
1226 fSM->GetComputeError() = quadAlgo->GetComputeError();
1229 fSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1236 //=======================================================================
1237 //function : Evaluate
1239 //=======================================================================
1241 bool StdMeshers_Prism_3D::Evaluate(SMESH_Mesh& theMesh,
1242 const TopoDS_Shape& theShape,
1243 MapShapeNbElems& aResMap)
1245 if ( theShape.ShapeType() == TopAbs_COMPOUND )
1248 for ( TopoDS_Iterator it( theShape ); it.More(); it.Next() )
1249 ok &= Evaluate( theMesh, it.Value(), aResMap );
1252 SMESH_MesherHelper helper( theMesh );
1254 myHelper->SetSubShape( theShape );
1256 // find face contains only triangles
1257 vector < SMESH_subMesh * >meshFaces;
1258 TopTools_SequenceOfShape aFaces;
1259 int NumBase = 0, i = 0, NbQFs = 0;
1260 for (TopExp_Explorer exp(theShape, TopAbs_FACE); exp.More(); exp.Next()) {
1262 aFaces.Append(exp.Current());
1263 SMESH_subMesh *aSubMesh = theMesh.GetSubMesh(exp.Current());
1264 meshFaces.push_back(aSubMesh);
1265 MapShapeNbElemsItr anIt = aResMap.find(meshFaces[i-1]);
1266 if( anIt==aResMap.end() )
1267 return toSM( error( "Submesh can not be evaluated"));
1269 std::vector<int> aVec = (*anIt).second;
1270 int nbtri = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1271 int nbqua = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1272 if( nbtri==0 && nbqua>0 ) {
1281 std::vector<int> aResVec(SMDSEntity_Last);
1282 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1283 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1284 aResMap.insert(std::make_pair(sm,aResVec));
1285 return toSM( error( "Submesh can not be evaluated" ));
1288 if(NumBase==0) NumBase = 1; // only quads => set 1 faces as base
1290 // find number of 1d elems for base face
1292 TopTools_MapOfShape Edges1;
1293 for (TopExp_Explorer exp(aFaces.Value(NumBase), TopAbs_EDGE); exp.More(); exp.Next()) {
1294 Edges1.Add(exp.Current());
1295 SMESH_subMesh *sm = theMesh.GetSubMesh(exp.Current());
1297 MapShapeNbElemsItr anIt = aResMap.find(sm);
1298 if( anIt == aResMap.end() ) continue;
1299 std::vector<int> aVec = (*anIt).second;
1300 nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
1303 // find face opposite to base face
1305 for(i=1; i<=6; i++) {
1306 if(i==NumBase) continue;
1307 bool IsOpposite = true;
1308 for(TopExp_Explorer exp(aFaces.Value(i), TopAbs_EDGE); exp.More(); exp.Next()) {
1309 if( Edges1.Contains(exp.Current()) ) {
1319 // find number of 2d elems on side faces
1321 for(i=1; i<=6; i++) {
1322 if( i==OppNum || i==NumBase ) continue;
1323 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[i-1] );
1324 if( anIt == aResMap.end() ) continue;
1325 std::vector<int> aVec = (*anIt).second;
1326 nb2d += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1329 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[NumBase-1] );
1330 std::vector<int> aVec = (*anIt).second;
1331 bool IsQuadratic = (aVec[SMDSEntity_Quad_Triangle]>aVec[SMDSEntity_Triangle]) ||
1332 (aVec[SMDSEntity_Quad_Quadrangle]>aVec[SMDSEntity_Quadrangle]);
1333 int nb2d_face0_3 = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1334 int nb2d_face0_4 = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1335 int nb0d_face0 = aVec[SMDSEntity_Node];
1336 int nb1d_face0_int = ( nb2d_face0_3*3 + nb2d_face0_4*4 - nb1d ) / 2;
1338 std::vector<int> aResVec(SMDSEntity_Last);
1339 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1341 aResVec[SMDSEntity_Quad_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1342 aResVec[SMDSEntity_Quad_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1343 aResVec[SMDSEntity_Node] = nb0d_face0 * ( 2*nb2d/nb1d - 1 ) - nb1d_face0_int * nb2d/nb1d;
1346 aResVec[SMDSEntity_Node] = nb0d_face0 * ( nb2d/nb1d - 1 );
1347 aResVec[SMDSEntity_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1348 aResVec[SMDSEntity_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1350 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1351 aResMap.insert(std::make_pair(sm,aResVec));
1356 //================================================================================
1358 * \brief Create prisms
1359 * \param columns - columns of nodes generated from nodes of a mesh face
1360 * \param helper - helper initialized by mesh and shape to add prisms to
1362 //================================================================================
1364 void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
1365 SMESH_MesherHelper* helper)
1367 int nbNodes = columns.size();
1368 int nbZ = columns[0]->size();
1369 if ( nbZ < 2 ) return;
1371 // find out orientation
1372 bool isForward = true;
1373 SMDS_VolumeTool vTool;
1375 switch ( nbNodes ) {
1377 SMDS_VolumeOfNodes tmpPenta ( (*columns[0])[z-1], // bottom
1380 (*columns[0])[z], // top
1383 vTool.Set( &tmpPenta );
1384 isForward = vTool.IsForward();
1388 SMDS_VolumeOfNodes tmpHex( (*columns[0])[z-1], (*columns[1])[z-1], // bottom
1389 (*columns[2])[z-1], (*columns[3])[z-1],
1390 (*columns[0])[z], (*columns[1])[z], // top
1391 (*columns[2])[z], (*columns[3])[z] );
1392 vTool.Set( &tmpHex );
1393 isForward = vTool.IsForward();
1397 const int di = (nbNodes+1) / 3;
1398 SMDS_VolumeOfNodes tmpVol ( (*columns[0] )[z-1],
1399 (*columns[di] )[z-1],
1400 (*columns[2*di])[z-1],
1403 (*columns[2*di])[z] );
1404 vTool.Set( &tmpVol );
1405 isForward = vTool.IsForward();
1408 // vertical loop on columns
1410 helper->SetElementsOnShape( true );
1412 switch ( nbNodes ) {
1414 case 3: { // ---------- pentahedra
1415 const int i1 = isForward ? 1 : 2;
1416 const int i2 = isForward ? 2 : 1;
1417 for ( z = 1; z < nbZ; ++z )
1418 helper->AddVolume( (*columns[0 ])[z-1], // bottom
1419 (*columns[i1])[z-1],
1420 (*columns[i2])[z-1],
1421 (*columns[0 ])[z], // top
1423 (*columns[i2])[z] );
1426 case 4: { // ---------- hexahedra
1427 const int i1 = isForward ? 1 : 3;
1428 const int i3 = isForward ? 3 : 1;
1429 for ( z = 1; z < nbZ; ++z )
1430 helper->AddVolume( (*columns[0])[z-1], (*columns[i1])[z-1], // bottom
1431 (*columns[2])[z-1], (*columns[i3])[z-1],
1432 (*columns[0])[z], (*columns[i1])[z], // top
1433 (*columns[2])[z], (*columns[i3])[z] );
1436 case 6: { // ---------- octahedra
1437 const int iBase1 = isForward ? -1 : 0;
1438 const int iBase2 = isForward ? 0 :-1;
1439 for ( z = 1; z < nbZ; ++z )
1440 helper->AddVolume( (*columns[0])[z+iBase1], (*columns[1])[z+iBase1], // bottom or top
1441 (*columns[2])[z+iBase1], (*columns[3])[z+iBase1],
1442 (*columns[4])[z+iBase1], (*columns[5])[z+iBase1],
1443 (*columns[0])[z+iBase2], (*columns[1])[z+iBase2], // top or bottom
1444 (*columns[2])[z+iBase2], (*columns[3])[z+iBase2],
1445 (*columns[4])[z+iBase2], (*columns[5])[z+iBase2] );
1448 default: // ---------- polyhedra
1449 vector<int> quantities( 2 + nbNodes, 4 );
1450 quantities[0] = quantities[1] = nbNodes;
1451 columns.resize( nbNodes + 1 );
1452 columns[ nbNodes ] = columns[ 0 ];
1453 const int i1 = isForward ? 1 : 3;
1454 const int i3 = isForward ? 3 : 1;
1455 const int iBase1 = isForward ? -1 : 0;
1456 const int iBase2 = isForward ? 0 :-1;
1457 vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
1458 for ( z = 1; z < nbZ; ++z )
1460 for ( int i = 0; i < nbNodes; ++i ) {
1461 nodes[ i ] = (*columns[ i ])[z+iBase1]; // bottom or top
1462 nodes[ 2*nbNodes-i-1 ] = (*columns[ i ])[z+iBase2]; // top or bottom
1464 int di = 2*nbNodes + 4*i;
1465 nodes[ di+0 ] = (*columns[i ])[z ];
1466 nodes[ di+i1] = (*columns[i+1])[z ];
1467 nodes[ di+2 ] = (*columns[i+1])[z-1];
1468 nodes[ di+i3] = (*columns[i ])[z-1];
1470 helper->AddPolyhedralVolume( nodes, quantities );
1473 } // switch ( nbNodes )
1476 //================================================================================
1478 * \brief Find correspondence between bottom and top nodes
1479 * If elements on the bottom and top faces are topologically different,
1480 * and projection is possible and allowed, perform the projection
1481 * \retval bool - is a success or not
1483 //================================================================================
1485 bool StdMeshers_Prism_3D::assocOrProjBottom2Top()
1487 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1488 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1490 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1491 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1493 if ( !botSMDS || botSMDS->NbElements() == 0 )
1494 return toSM( error(TCom("No elememts on face #") << botSM->GetId() ));
1496 bool needProject = !topSM->IsMeshComputed();
1497 if ( !needProject &&
1498 (botSMDS->NbElements() != topSMDS->NbElements() ||
1499 botSMDS->NbNodes() != topSMDS->NbNodes()))
1501 MESSAGE("nb elem bot " << botSMDS->NbElements() <<
1502 " top " << ( topSMDS ? topSMDS->NbElements() : 0 ));
1503 MESSAGE("nb node bot " << botSMDS->NbNodes() <<
1504 " top " << ( topSMDS ? topSMDS->NbNodes() : 0 ));
1505 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1506 <<" and #"<< topSM->GetId() << " seems different" ));
1509 if ( 0/*needProject && !myProjectTriangles*/ )
1510 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1511 <<" and #"<< topSM->GetId() << " seems different" ));
1512 ///RETURN_BAD_RESULT("Need to project but not allowed");
1516 return projectBottomToTop();
1519 TopoDS_Face botFace = TopoDS::Face( myBlock.Shape( ID_BOT_FACE ));
1520 TopoDS_Face topFace = TopoDS::Face( myBlock.Shape( ID_TOP_FACE ));
1521 // associate top and bottom faces
1522 TAssocTool::TShapeShapeMap shape2ShapeMap;
1523 if ( !TAssocTool::FindSubShapeAssociation( botFace, myBlock.Mesh(),
1524 topFace, myBlock.Mesh(),
1526 return toSM( error(TCom("Topology of faces #") << botSM->GetId()
1527 <<" and #"<< topSM->GetId() << " seems different" ));
1529 // Find matching nodes of top and bottom faces
1530 TNodeNodeMap n2nMap;
1531 if ( ! TAssocTool::FindMatchingNodesOnFaces( botFace, myBlock.Mesh(),
1532 topFace, myBlock.Mesh(),
1533 shape2ShapeMap, n2nMap ))
1534 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1535 <<" and #"<< topSM->GetId() << " seems different" ));
1537 // Fill myBotToColumnMap
1539 int zSize = myBlock.VerticalSize();
1541 TNodeNodeMap::iterator bN_tN = n2nMap.begin();
1542 for ( ; bN_tN != n2nMap.end(); ++bN_tN )
1544 const SMDS_MeshNode* botNode = bN_tN->first;
1545 const SMDS_MeshNode* topNode = bN_tN->second;
1546 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1547 continue; // wall columns are contained in myBlock
1548 // create node column
1549 Prism_3D::TNode bN( botNode );
1550 TNode2ColumnMap::iterator bN_col =
1551 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1552 TNodeColumn & column = bN_col->second;
1553 column.resize( zSize );
1554 column.front() = botNode;
1555 column.back() = topNode;
1560 //================================================================================
1562 * \brief Remove quadrangles from the top face and
1563 * create triangles there by projection from the bottom
1564 * \retval bool - a success or not
1566 //================================================================================
1568 bool StdMeshers_Prism_3D::projectBottomToTop()
1570 SMESHDS_Mesh* meshDS = myBlock.MeshDS();
1571 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1572 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1574 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1575 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1577 if ( topSMDS && topSMDS->NbElements() > 0 )
1578 topSM->ComputeStateEngine( SMESH_subMesh::CLEAN );
1580 const TopoDS_Shape& botFace = myBlock.Shape( ID_BOT_FACE ); // oriented within the 3D SHAPE
1581 const TopoDS_Shape& topFace = myBlock.Shape( ID_TOP_FACE);
1582 int topFaceID = meshDS->ShapeToIndex( topFace );
1584 // Fill myBotToColumnMap
1586 int zSize = myBlock.VerticalSize();
1587 Prism_3D::TNode prevTNode;
1588 SMDS_NodeIteratorPtr nIt = botSMDS->GetNodes();
1589 while ( nIt->more() )
1591 const SMDS_MeshNode* botNode = nIt->next();
1592 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1593 continue; // strange
1594 // compute bottom node params
1595 Prism_3D::TNode bN( botNode );
1596 gp_XYZ paramHint(-1,-1,-1);
1597 if ( prevTNode.IsNeighbor( bN ))
1598 paramHint = prevTNode.GetParams();
1599 if ( !myBlock.ComputeParameters( bN.GetCoords(), bN.ChangeParams(),
1600 ID_BOT_FACE, paramHint ))
1601 return toSM( error(TCom("Can't compute normalized parameters for node ")
1602 << botNode->GetID() << " on the face #"<< botSM->GetId() ));
1604 // compute top node coords
1605 gp_XYZ topXYZ; gp_XY topUV;
1606 if ( !myBlock.FacePoint( ID_TOP_FACE, bN.GetParams(), topXYZ ) ||
1607 !myBlock.FaceUV ( ID_TOP_FACE, bN.GetParams(), topUV ))
1608 return toSM( error(TCom("Can't compute coordinates "
1609 "by normalized parameters on the face #")<< topSM->GetId() ));
1610 SMDS_MeshNode * topNode = meshDS->AddNode( topXYZ.X(),topXYZ.Y(),topXYZ.Z() );
1611 meshDS->SetNodeOnFace( topNode, topFaceID, topUV.X(), topUV.Y() );
1612 // create node column
1613 TNode2ColumnMap::iterator bN_col =
1614 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1615 TNodeColumn & column = bN_col->second;
1616 column.resize( zSize );
1617 column.front() = botNode;
1618 column.back() = topNode;
1623 const bool oldSetElemsOnShape = myHelper->SetElementsOnShape( false );
1625 // care of orientation;
1626 // if the bottom faces is orienetd OK then top faces must be reversed
1627 bool reverseTop = true;
1628 if ( myHelper->NbAncestors( botFace, *myBlock.Mesh(), TopAbs_SOLID ) > 1 )
1629 reverseTop = ! SMESH_Algo::IsReversedSubMesh( TopoDS::Face( botFace ), meshDS );
1630 int iFrw, iRev, *iPtr = &( reverseTop ? iRev : iFrw );
1632 // loop on bottom mesh faces
1633 SMDS_ElemIteratorPtr faceIt = botSMDS->GetElements();
1634 vector< const SMDS_MeshNode* > nodes;
1635 while ( faceIt->more() )
1637 const SMDS_MeshElement* face = faceIt->next();
1638 if ( !face || face->GetType() != SMDSAbs_Face )
1641 // find top node in columns for each bottom node
1642 int nbNodes = face->NbCornerNodes();
1643 nodes.resize( nbNodes );
1644 for ( iFrw = 0, iRev = nbNodes-1; iFrw < nbNodes; ++iFrw, --iRev )
1646 const SMDS_MeshNode* n = face->GetNode( *iPtr );
1647 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
1648 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
1649 if ( bot_column == myBotToColumnMap.end() )
1650 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
1651 nodes[ iFrw ] = bot_column->second.back();
1654 const TNodeColumn* column = myBlock.GetNodeColumn( n );
1656 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
1657 nodes[ iFrw ] = column->back();
1660 SMDS_MeshElement* newFace = 0;
1661 switch ( nbNodes ) {
1664 newFace = myHelper->AddFace(nodes[0], nodes[1], nodes[2]);
1668 newFace = myHelper->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
1672 newFace = meshDS->AddPolygonalFace( nodes );
1675 meshDS->SetMeshElementOnShape( newFace, topFaceID );
1678 myHelper->SetElementsOnShape( oldSetElemsOnShape );
1683 //=======================================================================
1684 //function : project2dMesh
1685 //purpose : Project mesh faces from a source FACE of one prism (theSrcFace)
1686 // to a source FACE of another prism (theTgtFace)
1687 //=======================================================================
1689 bool StdMeshers_Prism_3D::project2dMesh(const TopoDS_Face& theSrcFace,
1690 const TopoDS_Face& theTgtFace)
1692 TProjction2dAlgo* projector2D = TProjction2dAlgo::instance( this );
1693 projector2D->myHyp.SetSourceFace( theSrcFace );
1694 bool ok = projector2D->Compute( *myHelper->GetMesh(), theTgtFace );
1696 SMESH_subMesh* tgtSM = myHelper->GetMesh()->GetSubMesh( theTgtFace );
1697 tgtSM->ComputeStateEngine ( SMESH_subMesh::CHECK_COMPUTE_STATE );
1698 tgtSM->ComputeSubMeshStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1703 //================================================================================
1705 * \brief Set projection coordinates of a node to a face and it's sub-shapes
1706 * \param faceID - the face given by in-block ID
1707 * \param params - node normalized parameters
1708 * \retval bool - is a success
1710 //================================================================================
1712 bool StdMeshers_Prism_3D::setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z )
1714 // find base and top edges of the face
1715 enum { BASE = 0, TOP, LEFT, RIGHT };
1716 vector< int > edgeVec; // 0-base, 1-top
1717 SMESH_Block::GetFaceEdgesIDs( faceID, edgeVec );
1719 myBlock.EdgePoint( edgeVec[ BASE ], params, myShapeXYZ[ edgeVec[ BASE ]]);
1720 myBlock.EdgePoint( edgeVec[ TOP ], params, myShapeXYZ[ edgeVec[ TOP ]]);
1722 SHOWYXZ("\nparams ", params);
1723 SHOWYXZ("TOP is " <<edgeVec[ TOP ], myShapeXYZ[ edgeVec[ TOP]]);
1724 SHOWYXZ("BASE is "<<edgeVec[ BASE], myShapeXYZ[ edgeVec[ BASE]]);
1726 if ( faceID == SMESH_Block::ID_Fx0z || faceID == SMESH_Block::ID_Fx1z )
1728 myBlock.EdgePoint( edgeVec[ LEFT ], params, myShapeXYZ[ edgeVec[ LEFT ]]);
1729 myBlock.EdgePoint( edgeVec[ RIGHT ], params, myShapeXYZ[ edgeVec[ RIGHT ]]);
1731 SHOWYXZ("VER "<<edgeVec[ LEFT], myShapeXYZ[ edgeVec[ LEFT]]);
1732 SHOWYXZ("VER "<<edgeVec[ RIGHT], myShapeXYZ[ edgeVec[ RIGHT]]);
1734 myBlock.FacePoint( faceID, params, myShapeXYZ[ faceID ]);
1735 SHOWYXZ("FacePoint "<<faceID, myShapeXYZ[ faceID]);
1740 //=======================================================================
1742 //purpose : If (!isOK), sets the error to a sub-mesh of a current SOLID
1743 //=======================================================================
1745 bool StdMeshers_Prism_3D::toSM( bool isOK )
1747 if ( mySetErrorToSM &&
1750 !myHelper->GetSubShape().IsNull() &&
1751 myHelper->GetSubShape().ShapeType() == TopAbs_SOLID)
1753 SMESH_subMesh* sm = myHelper->GetMesh()->GetSubMesh( myHelper->GetSubShape() );
1754 sm->GetComputeError() = this->GetComputeError();
1755 // clear error in order not to return it twice
1756 _error = COMPERR_OK;
1762 //=======================================================================
1763 //function : shapeID
1764 //purpose : Return index of a shape
1765 //=======================================================================
1767 int StdMeshers_Prism_3D::shapeID( const TopoDS_Shape& S )
1769 if ( S.IsNull() ) return 0;
1770 if ( !myHelper ) return -3;
1771 return myHelper->GetMeshDS()->ShapeToIndex( S );
1776 //================================================================================
1778 * \brief Return true if this node and other one belong to one face
1780 //================================================================================
1782 bool Prism_3D::TNode::IsNeighbor( const Prism_3D::TNode& other ) const
1784 if ( !other.myNode || !myNode ) return false;
1786 SMDS_ElemIteratorPtr fIt = other.myNode->GetInverseElementIterator(SMDSAbs_Face);
1787 while ( fIt->more() )
1788 if ( fIt->next()->GetNodeIndex( myNode ) >= 0 )
1793 //================================================================================
1795 * \brief Prism initialization
1797 //================================================================================
1799 void TPrismTopo::Clear()
1801 myShape3D.Nullify();
1804 myWallQuads.clear();
1805 myBottomEdges.clear();
1806 myNbEdgesInWires.clear();
1807 myWallQuads.clear();
1810 } // namespace Prism_3D
1812 //================================================================================
1814 * \brief Constructor. Initialization is needed
1816 //================================================================================
1818 StdMeshers_PrismAsBlock::StdMeshers_PrismAsBlock()
1823 StdMeshers_PrismAsBlock::~StdMeshers_PrismAsBlock()
1827 void StdMeshers_PrismAsBlock::Clear()
1830 myShapeIDMap.Clear();
1834 delete mySide; mySide = 0;
1836 myParam2ColumnMaps.clear();
1837 myShapeIndex2ColumnMap.clear();
1840 //=======================================================================
1841 //function : initPrism
1842 //purpose : Analyse shape geometry and mesh.
1843 // If there are triangles on one of faces, it becomes 'bottom'.
1844 // thePrism.myBottom can be already set up.
1845 //=======================================================================
1847 bool StdMeshers_Prism_3D::initPrism(Prism_3D::TPrismTopo& thePrism,
1848 const TopoDS_Shape& shape3D)
1850 myHelper->SetSubShape( shape3D );
1852 SMESH_subMesh* mainSubMesh = myHelper->GetMesh()->GetSubMeshContaining( shape3D );
1853 if ( !mainSubMesh ) return toSM( error(COMPERR_BAD_INPUT_MESH,"Null submesh of shape3D"));
1855 // detect not-quad FACE sub-meshes of the 3D SHAPE
1856 list< SMESH_subMesh* > notQuadGeomSubMesh;
1857 list< SMESH_subMesh* > notQuadElemSubMesh;
1860 SMESH_subMesh* anyFaceSM = 0;
1861 SMESH_subMeshIteratorPtr smIt = mainSubMesh->getDependsOnIterator(false,true);
1862 while ( smIt->more() )
1864 SMESH_subMesh* sm = smIt->next();
1865 const TopoDS_Shape& face = sm->GetSubShape();
1866 if ( face.ShapeType() > TopAbs_FACE ) break;
1867 else if ( face.ShapeType() < TopAbs_FACE ) continue;
1871 // is quadrangle FACE?
1872 list< TopoDS_Edge > orderedEdges;
1873 list< int > nbEdgesInWires;
1874 int nbWires = SMESH_Block::GetOrderedEdges( TopoDS::Face( face ), orderedEdges,
1876 if ( nbWires != 1 || nbEdgesInWires.front() != 4 )
1877 notQuadGeomSubMesh.push_back( sm );
1879 // look for not quadrangle mesh elements
1880 if ( SMESHDS_SubMesh* smDS = sm->GetSubMeshDS() )
1881 if ( !myHelper->IsSameElemGeometry( smDS, SMDSGeom_QUADRANGLE ))
1882 notQuadElemSubMesh.push_back( sm );
1885 int nbNotQuadMeshed = notQuadElemSubMesh.size();
1886 int nbNotQuad = notQuadGeomSubMesh.size();
1887 bool hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1890 if ( nbNotQuadMeshed > 2 )
1892 return toSM( error(COMPERR_BAD_INPUT_MESH,
1893 TCom("More than 2 faces with not quadrangle elements: ")
1894 <<nbNotQuadMeshed));
1896 if ( nbNotQuad > 2 || !thePrism.myBottom.IsNull() )
1898 // Issue 0020843 - one of side FACEs is quasi-quadrilateral (not 4 EDGEs).
1899 // Remove from notQuadGeomSubMesh faces meshed with regular grid
1900 int nbQuasiQuads = removeQuasiQuads( notQuadGeomSubMesh, myHelper,
1901 TQuadrangleAlgo::instance(this,myHelper->GetMesh()) );
1902 nbNotQuad -= nbQuasiQuads;
1903 if ( nbNotQuad > 2 )
1904 return toSM( error(COMPERR_BAD_SHAPE,
1905 TCom("More than 2 not quadrilateral faces: ") <<nbNotQuad));
1906 hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1909 // Analyse mesh and topology of FACEs: choose the bottom sub-mesh.
1910 // If there are not quadrangle FACEs, they are top and bottom ones.
1911 // Not quadrangle FACEs must be only on top and bottom.
1913 SMESH_subMesh * botSM = 0;
1914 SMESH_subMesh * topSM = 0;
1916 if ( hasNotQuad ) // can chose a bottom FACE
1918 if ( nbNotQuadMeshed > 0 ) botSM = notQuadElemSubMesh.front();
1919 else botSM = notQuadGeomSubMesh.front();
1920 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.back();
1921 else if ( nbNotQuad > 1 ) topSM = notQuadGeomSubMesh.back();
1923 if ( topSM == botSM ) {
1924 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.front();
1925 else topSM = notQuadGeomSubMesh.front();
1928 // detect mesh triangles on wall FACEs
1929 if ( nbNotQuad == 2 && nbNotQuadMeshed > 0 ) {
1931 if ( nbNotQuadMeshed == 1 )
1932 ok = ( find( notQuadGeomSubMesh.begin(),
1933 notQuadGeomSubMesh.end(), botSM ) != notQuadGeomSubMesh.end() );
1935 ok = ( notQuadGeomSubMesh == notQuadElemSubMesh );
1937 return toSM( error(COMPERR_BAD_INPUT_MESH,
1938 "Side face meshed with not quadrangle elements"));
1942 thePrism.myNotQuadOnTop = ( nbNotQuadMeshed > 1 );
1944 // use thePrism.myBottom
1945 if ( !thePrism.myBottom.IsNull() )
1948 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom )) {
1949 std::swap( botSM, topSM );
1950 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom ))
1951 return toSM( error( COMPERR_BAD_INPUT_MESH,
1952 "Incompatible non-structured sub-meshes"));
1956 botSM = myHelper->GetMesh()->GetSubMesh( thePrism.myBottom );
1959 else if ( !botSM ) // find a proper bottom
1961 // composite walls or not prism shape
1962 for ( TopExp_Explorer f( shape3D, TopAbs_FACE ); f.More(); f.Next() )
1964 int minNbFaces = 2 + myHelper->Count( f.Current(), TopAbs_EDGE, false);
1965 if ( nbFaces >= minNbFaces)
1968 thePrism.myBottom = TopoDS::Face( f.Current() );
1969 if ( initPrism( thePrism, shape3D ))
1972 return toSM( error( COMPERR_BAD_SHAPE ));
1976 // find vertex 000 - the one with smallest coordinates (for easy DEBUG :-)
1978 double minVal = DBL_MAX, minX, val;
1979 for ( TopExp_Explorer exp( botSM->GetSubShape(), TopAbs_VERTEX );
1980 exp.More(); exp.Next() )
1982 const TopoDS_Vertex& v = TopoDS::Vertex( exp.Current() );
1983 gp_Pnt P = BRep_Tool::Pnt( v );
1984 val = P.X() + P.Y() + P.Z();
1985 if ( val < minVal || ( val == minVal && P.X() < minX )) {
1992 thePrism.myShape3D = shape3D;
1993 if ( thePrism.myBottom.IsNull() )
1994 thePrism.myBottom = TopoDS::Face( botSM->GetSubShape() );
1995 thePrism.myBottom.Orientation( myHelper->GetSubShapeOri( shape3D,
1996 thePrism.myBottom ));
1997 // Get ordered bottom edges
1998 TopoDS_Face reverseBottom = // to have order of top EDGEs as in the top FACE
1999 TopoDS::Face( thePrism.myBottom.Reversed() );
2000 SMESH_Block::GetOrderedEdges( reverseBottom,
2001 thePrism.myBottomEdges,
2002 thePrism.myNbEdgesInWires, V000 );
2004 // Get Wall faces corresponding to the ordered bottom edges and the top FACE
2005 if ( !getWallFaces( thePrism, nbFaces ))
2006 return false; //toSM( error(COMPERR_BAD_SHAPE, "Can't find side faces"));
2010 if ( !thePrism.myTop.IsSame( topSM->GetSubShape() ))
2012 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2013 "Non-quadrilateral faces are not opposite"));
2015 // check that the found top and bottom FACEs are opposite
2016 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
2017 for ( ; edge != thePrism.myBottomEdges.end(); ++edge )
2018 if ( myHelper->IsSubShape( *edge, thePrism.myTop ))
2020 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2021 "Non-quadrilateral faces are not opposite"));
2027 //================================================================================
2029 * \brief Initialization.
2030 * \param helper - helper loaded with mesh and 3D shape
2031 * \param thePrism - a prosm data
2032 * \retval bool - false if a mesh or a shape are KO
2034 //================================================================================
2036 bool StdMeshers_PrismAsBlock::Init(SMESH_MesherHelper* helper,
2037 const Prism_3D::TPrismTopo& thePrism)
2040 delete mySide; mySide = 0;
2042 vector< TSideFace* > sideFaces( NB_WALL_FACES, 0 );
2043 vector< pair< double, double> > params( NB_WALL_FACES );
2044 mySide = new TSideFace( sideFaces, params );
2047 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2049 SMESH_Block::init();
2050 myShapeIDMap.Clear();
2051 myShapeIndex2ColumnMap.clear();
2053 int wallFaceIds[ NB_WALL_FACES ] = { // to walk around a block
2054 SMESH_Block::ID_Fx0z, SMESH_Block::ID_F1yz,
2055 SMESH_Block::ID_Fx1z, SMESH_Block::ID_F0yz
2058 myError = SMESH_ComputeError::New();
2060 myNotQuadOnTop = thePrism.myNotQuadOnTop;
2062 // Find columns of wall nodes and calculate edges' lengths
2063 // --------------------------------------------------------
2065 myParam2ColumnMaps.clear();
2066 myParam2ColumnMaps.resize( thePrism.myBottomEdges.size() ); // total nb edges
2068 size_t iE, nbEdges = thePrism.myNbEdgesInWires.front(); // nb outer edges
2069 vector< double > edgeLength( nbEdges );
2070 multimap< double, int > len2edgeMap;
2072 list< TopoDS_Edge >::const_iterator edgeIt = thePrism.myBottomEdges.begin();
2073 for ( iE = 0; iE < nbEdges; ++iE, ++edgeIt )
2075 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2077 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2078 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2080 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2081 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2082 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2083 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2085 SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2086 SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2087 SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2089 edgeLength[ iE ] = SMESH_Algo::EdgeLength( *edgeIt );
2091 if ( nbEdges < NB_WALL_FACES ) // fill map used to split faces
2093 SMESHDS_SubMesh* smDS = meshDS->MeshElements( *edgeIt);
2095 return error(COMPERR_BAD_INPUT_MESH, TCom("Null submesh on the edge #")
2096 << MeshDS()->ShapeToIndex( *edgeIt ));
2097 len2edgeMap.insert( make_pair( edgeLength[ iE ], iE ));
2100 // Load columns of internal edges (forming holes)
2101 // and fill map ShapeIndex to TParam2ColumnMap for them
2102 for ( ; edgeIt != thePrism.myBottomEdges.end() ; ++edgeIt, ++iE )
2104 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2106 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2107 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2109 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2110 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2111 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2112 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2115 int id = MeshDS()->ShapeToIndex( *edgeIt );
2116 bool isForward = true; // meaningless for intenal wires
2117 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2118 // columns for vertices
2120 const SMDS_MeshNode* n0 = faceColumns.begin()->second.front();
2121 id = n0->getshapeId();
2122 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2124 const SMDS_MeshNode* n1 = faceColumns.rbegin()->second.front();
2125 id = n1->getshapeId();
2126 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2128 // SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2129 // SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2130 // SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2133 // Create 4 wall faces of a block
2134 // -------------------------------
2136 if ( nbEdges <= NB_WALL_FACES ) // ************* Split faces if necessary
2138 map< int, int > iE2nbSplit;
2139 if ( nbEdges != NB_WALL_FACES ) // define how to split
2141 if ( len2edgeMap.size() != nbEdges )
2142 RETURN_BAD_RESULT("Uniqueness of edge lengths not assured");
2143 map< double, int >::reverse_iterator maxLen_i = len2edgeMap.rbegin();
2144 map< double, int >::reverse_iterator midLen_i = ++len2edgeMap.rbegin();
2145 double maxLen = maxLen_i->first;
2146 double midLen = ( len2edgeMap.size() == 1 ) ? 0 : midLen_i->first;
2147 switch ( nbEdges ) {
2148 case 1: // 0-th edge is split into 4 parts
2149 iE2nbSplit.insert( make_pair( 0, 4 )); break;
2150 case 2: // either the longest edge is split into 3 parts, or both edges into halves
2151 if ( maxLen / 3 > midLen / 2 ) {
2152 iE2nbSplit.insert( make_pair( maxLen_i->second, 3 ));
2155 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2156 iE2nbSplit.insert( make_pair( midLen_i->second, 2 ));
2160 // split longest into halves
2161 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2164 // Create TSideFace's
2166 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2167 for ( iE = 0; iE < nbEdges; ++iE, ++botE )
2169 TFaceQuadStructPtr quad = thePrism.myWallQuads[ iE ].front();
2171 map< int, int >::iterator i_nb = iE2nbSplit.find( iE );
2172 if ( i_nb != iE2nbSplit.end() ) {
2174 int nbSplit = i_nb->second;
2175 vector< double > params;
2176 splitParams( nbSplit, &myParam2ColumnMaps[ iE ], params );
2177 const bool isForward =
2178 StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2179 myParam2ColumnMaps[iE],
2180 *botE, SMESH_Block::ID_Fx0z );
2181 for ( int i = 0; i < nbSplit; ++i ) {
2182 double f = ( isForward ? params[ i ] : params[ nbSplit - i-1 ]);
2183 double l = ( isForward ? params[ i+1 ] : params[ nbSplit - i ]);
2184 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2185 thePrism.myWallQuads[ iE ], *botE,
2186 &myParam2ColumnMaps[ iE ], f, l );
2187 mySide->SetComponent( iSide++, comp );
2191 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2192 thePrism.myWallQuads[ iE ], *botE,
2193 &myParam2ColumnMaps[ iE ]);
2194 mySide->SetComponent( iSide++, comp );
2198 else { // **************************** Unite faces
2200 // unite first faces
2201 int nbExraFaces = nbEdges - 3;
2203 double u0 = 0, sumLen = 0;
2204 for ( iE = 0; iE < nbExraFaces; ++iE )
2205 sumLen += edgeLength[ iE ];
2207 vector< TSideFace* > components( nbExraFaces );
2208 vector< pair< double, double> > params( nbExraFaces );
2209 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2210 for ( iE = 0; iE < nbExraFaces; ++iE, ++botE )
2212 components[ iE ] = new TSideFace( myHelper, wallFaceIds[ iSide ],
2213 thePrism.myWallQuads[ iE ], *botE,
2214 &myParam2ColumnMaps[ iE ]);
2215 double u1 = u0 + edgeLength[ iE ] / sumLen;
2216 params[ iE ] = make_pair( u0 , u1 );
2219 mySide->SetComponent( iSide++, new TSideFace( components, params ));
2221 // fill the rest faces
2222 for ( ; iE < nbEdges; ++iE, ++botE )
2224 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2225 thePrism.myWallQuads[ iE ], *botE,
2226 &myParam2ColumnMaps[ iE ]);
2227 mySide->SetComponent( iSide++, comp );
2232 // Fill geometry fields of SMESH_Block
2233 // ------------------------------------
2235 vector< int > botEdgeIdVec;
2236 SMESH_Block::GetFaceEdgesIDs( ID_BOT_FACE, botEdgeIdVec );
2238 bool isForward[NB_WALL_FACES] = { true, true, true, true };
2239 Adaptor2d_Curve2d* botPcurves[NB_WALL_FACES];
2240 Adaptor2d_Curve2d* topPcurves[NB_WALL_FACES];
2242 for ( int iF = 0; iF < NB_WALL_FACES; ++iF )
2244 TSideFace * sideFace = mySide->GetComponent( iF );
2246 RETURN_BAD_RESULT("NULL TSideFace");
2247 int fID = sideFace->FaceID(); // in-block ID
2249 // fill myShapeIDMap
2250 if ( sideFace->InsertSubShapes( myShapeIDMap ) != 8 &&
2251 !sideFace->IsComplex())
2252 MESSAGE( ": Warning : InsertSubShapes() < 8 on side " << iF );
2254 // side faces geometry
2255 Adaptor2d_Curve2d* pcurves[NB_WALL_FACES];
2256 if ( !sideFace->GetPCurves( pcurves ))
2257 RETURN_BAD_RESULT("TSideFace::GetPCurves() failed");
2259 SMESH_Block::TFace& tFace = myFace[ fID - ID_FirstF ];
2260 tFace.Set( fID, sideFace->Surface(), pcurves, isForward );
2262 SHOWYXZ( endl<<"F "<< iF << " id " << fID << " FRW " << sideFace->IsForward(), sideFace->Value(0,0));
2263 // edges 3D geometry
2264 vector< int > edgeIdVec;
2265 SMESH_Block::GetFaceEdgesIDs( fID, edgeIdVec );
2266 for ( int isMax = 0; isMax < 2; ++isMax ) {
2268 int eID = edgeIdVec[ isMax ];
2269 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2270 tEdge.Set( eID, sideFace->HorizCurve(isMax), true);
2271 SHOWYXZ(eID<<" HOR"<<isMax<<"(0)", sideFace->HorizCurve(isMax)->Value(0));
2272 SHOWYXZ(eID<<" HOR"<<isMax<<"(1)", sideFace->HorizCurve(isMax)->Value(1));
2275 int eID = edgeIdVec[ isMax+2 ];
2276 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2277 tEdge.Set( eID, sideFace->VertiCurve(isMax), true);
2278 SHOWYXZ(eID<<" VER"<<isMax<<"(0)", sideFace->VertiCurve(isMax)->Value(0));
2279 SHOWYXZ(eID<<" VER"<<isMax<<"(1)", sideFace->VertiCurve(isMax)->Value(1));
2282 vector< int > vertexIdVec;
2283 SMESH_Block::GetEdgeVertexIDs( eID, vertexIdVec );
2284 myPnt[ vertexIdVec[0] - ID_FirstV ] = tEdge.GetCurve()->Value(0).XYZ();
2285 myPnt[ vertexIdVec[1] - ID_FirstV ] = tEdge.GetCurve()->Value(1).XYZ();
2288 // pcurves on horizontal faces
2289 for ( iE = 0; iE < NB_WALL_FACES; ++iE ) {
2290 if ( edgeIdVec[ BOTTOM_EDGE ] == botEdgeIdVec[ iE ] ) {
2291 botPcurves[ iE ] = sideFace->HorizPCurve( false, thePrism.myBottom );
2292 topPcurves[ iE ] = sideFace->HorizPCurve( true, thePrism.myTop );
2296 //sideFace->dumpNodes( 4 ); // debug
2298 // horizontal faces geometry
2300 SMESH_Block::TFace& tFace = myFace[ ID_BOT_FACE - ID_FirstF ];
2301 tFace.Set( ID_BOT_FACE, new BRepAdaptor_Surface( thePrism.myBottom ), botPcurves, isForward );
2302 SMESH_Block::Insert( thePrism.myBottom, ID_BOT_FACE, myShapeIDMap );
2305 SMESH_Block::TFace& tFace = myFace[ ID_TOP_FACE - ID_FirstF ];
2306 tFace.Set( ID_TOP_FACE, new BRepAdaptor_Surface( thePrism.myTop ), topPcurves, isForward );
2307 SMESH_Block::Insert( thePrism.myTop, ID_TOP_FACE, myShapeIDMap );
2310 // Fill map ShapeIndex to TParam2ColumnMap
2311 // ----------------------------------------
2313 list< TSideFace* > fList;
2314 list< TSideFace* >::iterator fListIt;
2315 fList.push_back( mySide );
2316 for ( fListIt = fList.begin(); fListIt != fList.end(); ++fListIt)
2318 int nb = (*fListIt)->NbComponents();
2319 for ( int i = 0; i < nb; ++i ) {
2320 if ( TSideFace* comp = (*fListIt)->GetComponent( i ))
2321 fList.push_back( comp );
2323 if ( TParam2ColumnMap* cols = (*fListIt)->GetColumns()) {
2324 // columns for a base edge
2325 int id = MeshDS()->ShapeToIndex( (*fListIt)->BaseEdge() );
2326 bool isForward = (*fListIt)->IsForward();
2327 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2329 // columns for vertices
2330 const SMDS_MeshNode* n0 = cols->begin()->second.front();
2331 id = n0->getshapeId();
2332 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2334 const SMDS_MeshNode* n1 = cols->rbegin()->second.front();
2335 id = n1->getshapeId();
2336 myShapeIndex2ColumnMap[ id ] = make_pair( cols, !isForward );
2340 // gp_XYZ testPar(0.25, 0.25, 0), testCoord;
2341 // if ( !FacePoint( ID_BOT_FACE, testPar, testCoord ))
2342 // RETURN_BAD_RESULT("TEST FacePoint() FAILED");
2343 // SHOWYXZ("IN TEST PARAM" , testPar);
2344 // SHOWYXZ("OUT TEST CORD" , testCoord);
2345 // if ( !ComputeParameters( testCoord, testPar , ID_BOT_FACE))
2346 // RETURN_BAD_RESULT("TEST ComputeParameters() FAILED");
2347 // SHOWYXZ("OUT TEST PARAM" , testPar);
2352 //================================================================================
2354 * \brief Return pointer to column of nodes
2355 * \param node - bottom node from which the returned column goes up
2356 * \retval const TNodeColumn* - the found column
2358 //================================================================================
2360 const TNodeColumn* StdMeshers_PrismAsBlock::GetNodeColumn(const SMDS_MeshNode* node) const
2362 int sID = node->getshapeId();
2364 map<int, pair< TParam2ColumnMap*, bool > >::const_iterator col_frw =
2365 myShapeIndex2ColumnMap.find( sID );
2366 if ( col_frw != myShapeIndex2ColumnMap.end() ) {
2367 const TParam2ColumnMap* cols = col_frw->second.first;
2368 TParam2ColumnIt u_col = cols->begin();
2369 for ( ; u_col != cols->end(); ++u_col )
2370 if ( u_col->second[ 0 ] == node )
2371 return & u_col->second;
2376 //=======================================================================
2377 //function : GetLayersTransformation
2378 //purpose : Return transformations to get coordinates of nodes of each layer
2379 // by nodes of the bottom. Layer is a set of nodes at a certain step
2380 // from bottom to top.
2381 //=======================================================================
2383 bool StdMeshers_PrismAsBlock::GetLayersTransformation(vector<gp_Trsf> & trsf,
2384 const Prism_3D::TPrismTopo& prism) const
2386 const int zSize = VerticalSize();
2387 if ( zSize < 3 ) return true;
2388 trsf.resize( zSize - 2 );
2390 // Select some node columns by which we will define coordinate system of layers
2392 vector< const TNodeColumn* > columns;
2395 list< TopoDS_Edge >::const_iterator edgeIt = prism.myBottomEdges.begin();
2396 for ( int iE = 0; iE < prism.myNbEdgesInWires.front(); ++iE, ++edgeIt )
2398 if ( BRep_Tool::Degenerated( *edgeIt )) continue;
2399 const TParam2ColumnMap* u2colMap =
2400 GetParam2ColumnMap( MeshDS()->ShapeToIndex( *edgeIt ), isReverse );
2401 if ( !u2colMap ) return false;
2402 double f = u2colMap->begin()->first, l = u2colMap->rbegin()->first;
2403 //isReverse = ( edgeIt->Orientation() == TopAbs_REVERSED );
2404 //if ( isReverse ) swap ( f, l ); -- u2colMap takes orientation into account
2405 const int nbCol = 5;
2406 for ( int i = 0; i < nbCol; ++i )
2408 double u = f + i/double(nbCol) * ( l - f );
2409 const TNodeColumn* col = & getColumn( u2colMap, u )->second;
2410 if ( columns.empty() || col != columns.back() )
2411 columns.push_back( col );
2416 // Find tolerance to check transformations
2421 for ( int i = 0; i < columns.size(); ++i )
2422 bndBox.Add( gpXYZ( columns[i]->front() ));
2423 tol2 = bndBox.SquareExtent() * 1e-5;
2426 // Compute transformations
2429 gp_Trsf fromCsZ, toCs0;
2430 gp_Ax3 cs0 = getLayerCoordSys(0, columns, xCol );
2431 //double dist0 = cs0.Location().Distance( gpXYZ( (*columns[0])[0]));
2432 toCs0.SetTransformation( cs0 );
2433 for ( int z = 1; z < zSize-1; ++z )
2435 gp_Ax3 csZ = getLayerCoordSys(z, columns, xCol );
2436 //double distZ = csZ.Location().Distance( gpXYZ( (*columns[0])[z]));
2437 fromCsZ.SetTransformation( csZ );
2439 gp_Trsf& t = trsf[ z-1 ];
2440 t = fromCsZ * toCs0;
2441 //t.SetScaleFactor( distZ/dist0 ); - it does not work properly, wrong base point
2443 // check a transformation
2444 for ( int i = 0; i < columns.size(); ++i )
2446 gp_Pnt p0 = gpXYZ( (*columns[i])[0] );
2447 gp_Pnt pz = gpXYZ( (*columns[i])[z] );
2448 t.Transforms( p0.ChangeCoord() );
2449 if ( p0.SquareDistance( pz ) > tol2 )
2456 //================================================================================
2458 * \brief Check curve orientation of a bootom edge
2459 * \param meshDS - mesh DS
2460 * \param columnsMap - node columns map of side face
2461 * \param bottomEdge - the bootom edge
2462 * \param sideFaceID - side face in-block ID
2463 * \retval bool - true if orientation coinside with in-block forward orientation
2465 //================================================================================
2467 bool StdMeshers_PrismAsBlock::IsForwardEdge(SMESHDS_Mesh* meshDS,
2468 const TParam2ColumnMap& columnsMap,
2469 const TopoDS_Edge & bottomEdge,
2470 const int sideFaceID)
2472 bool isForward = false;
2473 if ( SMESH_MesherHelper::IsClosedEdge( bottomEdge ))
2475 isForward = ( bottomEdge.Orientation() == TopAbs_FORWARD );
2479 const TNodeColumn& firstCol = columnsMap.begin()->second;
2480 const SMDS_MeshNode* bottomNode = firstCol[0];
2481 TopoDS_Shape firstVertex = SMESH_MesherHelper::GetSubShapeByNode( bottomNode, meshDS );
2482 isForward = ( firstVertex.IsSame( TopExp::FirstVertex( bottomEdge, true )));
2484 // on 2 of 4 sides first vertex is end
2485 if ( sideFaceID == ID_Fx1z || sideFaceID == ID_F0yz )
2486 isForward = !isForward;
2490 //================================================================================
2492 * \brief Constructor
2493 * \param faceID - in-block ID
2494 * \param face - geom FACE
2495 * \param baseEdge - EDGE proreply oriented in the bottom EDGE !!!
2496 * \param columnsMap - map of node columns
2497 * \param first - first normalized param
2498 * \param last - last normalized param
2500 //================================================================================
2502 StdMeshers_PrismAsBlock::TSideFace::TSideFace(SMESH_MesherHelper* helper,
2504 const Prism_3D::TQuadList& quadList,
2505 const TopoDS_Edge& baseEdge,
2506 TParam2ColumnMap* columnsMap,
2510 myParamToColumnMap( columnsMap ),
2513 myParams.resize( 1 );
2514 myParams[ 0 ] = make_pair( first, last );
2515 mySurface = PSurface( new BRepAdaptor_Surface( quadList.front()->face ));
2516 myBaseEdge = baseEdge;
2517 myIsForward = StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2518 *myParamToColumnMap,
2520 if ( quadList.size() > 1 ) // side is vertically composite
2522 // fill myShapeID2Surf map to enable finding a right surface by any sub-shape ID
2524 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2526 TopTools_IndexedDataMapOfShapeListOfShape subToFaces;
2527 Prism_3D::TQuadList::const_iterator quad = quadList.begin();
2528 for ( ; quad != quadList.end(); ++quad )
2530 const TopoDS_Face& face = (*quad)->face;
2531 TopExp::MapShapesAndAncestors( face, TopAbs_VERTEX, TopAbs_FACE, subToFaces );
2532 TopExp::MapShapesAndAncestors( face, TopAbs_EDGE, TopAbs_FACE, subToFaces );
2533 myShapeID2Surf.insert( make_pair( meshDS->ShapeToIndex( face ),
2534 PSurface( new BRepAdaptor_Surface( face ))));
2536 for ( int i = 1; i <= subToFaces.Extent(); ++i )
2538 const TopoDS_Shape& sub = subToFaces.FindKey( i );
2539 TopTools_ListOfShape& faces = subToFaces( i );
2540 int subID = meshDS->ShapeToIndex( sub );
2541 int faceID = meshDS->ShapeToIndex( faces.First() );
2542 myShapeID2Surf.insert ( make_pair( subID, myShapeID2Surf[ faceID ]));
2547 //================================================================================
2549 * \brief Constructor of complex side face
2551 //================================================================================
2553 StdMeshers_PrismAsBlock::TSideFace::
2554 TSideFace(const vector< TSideFace* >& components,
2555 const vector< pair< double, double> > & params)
2556 :myID( components[0] ? components[0]->myID : 0 ),
2557 myParamToColumnMap( 0 ),
2559 myIsForward( true ),
2560 myComponents( components ),
2561 myHelper( components[0] ? components[0]->myHelper : 0 )
2563 //================================================================================
2565 * \brief Copy constructor
2566 * \param other - other side
2568 //================================================================================
2570 StdMeshers_PrismAsBlock::TSideFace::TSideFace( const TSideFace& other )
2573 mySurface = other.mySurface;
2574 myBaseEdge = other.myBaseEdge;
2575 myParams = other.myParams;
2576 myIsForward = other.myIsForward;
2577 myHelper = other.myHelper;
2578 myParamToColumnMap = other.myParamToColumnMap;
2580 myComponents.resize( other.myComponents.size());
2581 for (int i = 0 ; i < myComponents.size(); ++i )
2582 myComponents[ i ] = new TSideFace( *other.myComponents[ i ]);
2585 //================================================================================
2587 * \brief Deletes myComponents
2589 //================================================================================
2591 StdMeshers_PrismAsBlock::TSideFace::~TSideFace()
2593 for (int i = 0 ; i < myComponents.size(); ++i )
2594 if ( myComponents[ i ] )
2595 delete myComponents[ i ];
2598 //================================================================================
2600 * \brief Return geometry of the vertical curve
2601 * \param isMax - true means curve located closer to (1,1,1) block point
2602 * \retval Adaptor3d_Curve* - curve adaptor
2604 //================================================================================
2606 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::VertiCurve(const bool isMax) const
2608 if ( !myComponents.empty() ) {
2610 return myComponents.back()->VertiCurve(isMax);
2612 return myComponents.front()->VertiCurve(isMax);
2614 double f = myParams[0].first, l = myParams[0].second;
2615 if ( !myIsForward ) std::swap( f, l );
2616 return new TVerticalEdgeAdaptor( myParamToColumnMap, isMax ? l : f );
2619 //================================================================================
2621 * \brief Return geometry of the top or bottom curve
2623 * \retval Adaptor3d_Curve* -
2625 //================================================================================
2627 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::HorizCurve(const bool isTop) const
2629 return new THorizontalEdgeAdaptor( this, isTop );
2632 //================================================================================
2634 * \brief Return pcurves
2635 * \param pcurv - array of 4 pcurves
2636 * \retval bool - is a success
2638 //================================================================================
2640 bool StdMeshers_PrismAsBlock::TSideFace::GetPCurves(Adaptor2d_Curve2d* pcurv[4]) const
2642 int iEdge[ 4 ] = { BOTTOM_EDGE, TOP_EDGE, V0_EDGE, V1_EDGE };
2644 for ( int i = 0 ; i < 4 ; ++i ) {
2645 Handle(Geom2d_Line) line;
2646 switch ( iEdge[ i ] ) {
2648 line = new Geom2d_Line( gp_Pnt2d( 0, 1 ), gp::DX2d() ); break;
2650 line = new Geom2d_Line( gp::Origin2d(), gp::DX2d() ); break;
2652 line = new Geom2d_Line( gp::Origin2d(), gp::DY2d() ); break;
2654 line = new Geom2d_Line( gp_Pnt2d( 1, 0 ), gp::DY2d() ); break;
2656 pcurv[ i ] = new Geom2dAdaptor_Curve( line, 0, 1 );
2661 //================================================================================
2663 * \brief Returns geometry of pcurve on a horizontal face
2664 * \param isTop - is top or bottom face
2665 * \param horFace - a horizontal face
2666 * \retval Adaptor2d_Curve2d* - curve adaptor
2668 //================================================================================
2671 StdMeshers_PrismAsBlock::TSideFace::HorizPCurve(const bool isTop,
2672 const TopoDS_Face& horFace) const
2674 return new TPCurveOnHorFaceAdaptor( this, isTop, horFace );
2677 //================================================================================
2679 * \brief Return a component corresponding to parameter
2680 * \param U - parameter along a horizontal size
2681 * \param localU - parameter along a horizontal size of a component
2682 * \retval TSideFace* - found component
2684 //================================================================================
2686 StdMeshers_PrismAsBlock::TSideFace*
2687 StdMeshers_PrismAsBlock::TSideFace::GetComponent(const double U,double & localU) const
2690 if ( myComponents.empty() )
2691 return const_cast<TSideFace*>( this );
2694 for ( i = 0; i < myComponents.size(); ++i )
2695 if ( U < myParams[ i ].second )
2697 if ( i >= myComponents.size() )
2698 i = myComponents.size() - 1;
2700 double f = myParams[ i ].first, l = myParams[ i ].second;
2701 localU = ( U - f ) / ( l - f );
2702 return myComponents[ i ];
2705 //================================================================================
2707 * \brief Find node columns for a parameter
2708 * \param U - parameter along a horizontal edge
2709 * \param col1 - the 1st found column
2710 * \param col2 - the 2nd found column
2711 * \retval r - normalized position of U between the found columns
2713 //================================================================================
2715 double StdMeshers_PrismAsBlock::TSideFace::GetColumns(const double U,
2716 TParam2ColumnIt & col1,
2717 TParam2ColumnIt & col2) const
2719 double u = U, r = 0;
2720 if ( !myComponents.empty() ) {
2721 TSideFace * comp = GetComponent(U,u);
2722 return comp->GetColumns( u, col1, col2 );
2727 double f = myParams[0].first, l = myParams[0].second;
2728 u = f + u * ( l - f );
2730 col1 = col2 = getColumn( myParamToColumnMap, u );
2731 if ( ++col2 == myParamToColumnMap->end() ) {
2736 double uf = col1->first;
2737 double ul = col2->first;
2738 r = ( u - uf ) / ( ul - uf );
2743 //================================================================================
2745 * \brief Return coordinates by normalized params
2746 * \param U - horizontal param
2747 * \param V - vertical param
2748 * \retval gp_Pnt - result point
2750 //================================================================================
2752 gp_Pnt StdMeshers_PrismAsBlock::TSideFace::Value(const Standard_Real U,
2753 const Standard_Real V) const
2755 if ( !myComponents.empty() ) {
2757 TSideFace * comp = GetComponent(U,u);
2758 return comp->Value( u, V );
2761 TParam2ColumnIt u_col1, u_col2;
2762 double vR, hR = GetColumns( U, u_col1, u_col2 );
2764 const SMDS_MeshNode* nn[4];
2766 // BEGIN issue 0020680: Bad cell created by Radial prism in center of torus
2767 // Workaround for a wrongly located point returned by mySurface.Value() for
2768 // UV located near boundary of BSpline surface.
2769 // To bypass the problem, we take point from 3D curve of EDGE.
2770 // It solves pb of the bloc_fiss_new.py
2771 const double tol = 1e-3;
2772 if ( V < tol || V+tol >= 1. )
2774 nn[0] = V < tol ? u_col1->second.front() : u_col1->second.back();
2775 nn[2] = V < tol ? u_col2->second.front() : u_col2->second.back();
2783 TopoDS_Shape s = myHelper->GetSubShapeByNode( nn[0], myHelper->GetMeshDS() );
2784 if ( s.ShapeType() != TopAbs_EDGE )
2785 s = myHelper->GetSubShapeByNode( nn[2], myHelper->GetMeshDS() );
2786 if ( s.ShapeType() == TopAbs_EDGE )
2787 edge = TopoDS::Edge( s );
2789 if ( !edge.IsNull() )
2791 double u1 = myHelper->GetNodeU( edge, nn[0] );
2792 double u3 = myHelper->GetNodeU( edge, nn[2] );
2793 double u = u1 * ( 1 - hR ) + u3 * hR;
2794 TopLoc_Location loc; double f,l;
2795 Handle(Geom_Curve) curve = BRep_Tool::Curve( edge,loc,f,l );
2796 return curve->Value( u ).Transformed( loc );
2799 // END issue 0020680: Bad cell created by Radial prism in center of torus
2801 vR = getRAndNodes( & u_col1->second, V, nn[0], nn[1] );
2802 vR = getRAndNodes( & u_col2->second, V, nn[2], nn[3] );
2804 if ( !myShapeID2Surf.empty() ) // side is vertically composite
2806 // find a FACE on which the 4 nodes lie
2807 TSideFace* me = (TSideFace*) this;
2808 int notFaceID1 = 0, notFaceID2 = 0;
2809 for ( int i = 0; i < 4; ++i )
2810 if ( nn[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) // node on FACE
2812 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2816 else if ( notFaceID1 == 0 ) // node on EDGE or VERTEX
2818 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2819 notFaceID1 = nn[i]->getshapeId();
2821 else if ( notFaceID1 != nn[i]->getshapeId() ) // node on other EDGE or VERTEX
2823 if ( mySurface != me->myShapeID2Surf[ nn[i]->getshapeId() ])
2824 notFaceID2 = nn[i]->getshapeId();
2826 if ( notFaceID2 ) // no nodes of FACE and nodes are on different FACEs
2828 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2829 TopoDS_Shape face = myHelper->GetCommonAncestor( meshDS->IndexToShape( notFaceID1 ),
2830 meshDS->IndexToShape( notFaceID2 ),
2831 *myHelper->GetMesh(),
2833 if ( face.IsNull() )
2834 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() face.IsNull()");
2835 int faceID = meshDS->ShapeToIndex( face );
2836 me->mySurface = me->myShapeID2Surf[ faceID ];
2838 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() !mySurface");
2842 gp_XY uv1 = myHelper->GetNodeUV( mySurface->Face(), nn[0], nn[2]);
2843 gp_XY uv2 = myHelper->GetNodeUV( mySurface->Face(), nn[1], nn[3]);
2844 gp_XY uv12 = uv1 * ( 1 - vR ) + uv2 * vR;
2846 gp_XY uv3 = myHelper->GetNodeUV( mySurface->Face(), nn[2], nn[0]);
2847 gp_XY uv4 = myHelper->GetNodeUV( mySurface->Face(), nn[3], nn[1]);
2848 gp_XY uv34 = uv3 * ( 1 - vR ) + uv4 * vR;
2850 gp_XY uv = uv12 * ( 1 - hR ) + uv34 * hR;
2852 gp_Pnt p = mySurface->Value( uv.X(), uv.Y() );
2857 //================================================================================
2859 * \brief Return boundary edge
2860 * \param edge - edge index
2861 * \retval TopoDS_Edge - found edge
2863 //================================================================================
2865 TopoDS_Edge StdMeshers_PrismAsBlock::TSideFace::GetEdge(const int iEdge) const
2867 if ( !myComponents.empty() ) {
2869 case V0_EDGE : return myComponents.front()->GetEdge( iEdge );
2870 case V1_EDGE : return myComponents.back() ->GetEdge( iEdge );
2871 default: return TopoDS_Edge();
2875 const SMDS_MeshNode* node = 0;
2876 SMESHDS_Mesh * meshDS = myHelper->GetMesh()->GetMeshDS();
2877 TNodeColumn* column;
2882 column = & (( ++myParamToColumnMap->begin())->second );
2883 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2884 edge = myHelper->GetSubShapeByNode ( node, meshDS );
2885 if ( edge.ShapeType() == TopAbs_VERTEX ) {
2886 column = & ( myParamToColumnMap->begin()->second );
2887 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2892 bool back = ( iEdge == V1_EDGE );
2893 if ( !myIsForward ) back = !back;
2895 column = & ( myParamToColumnMap->rbegin()->second );
2897 column = & ( myParamToColumnMap->begin()->second );
2898 if ( column->size() > 0 )
2899 edge = myHelper->GetSubShapeByNode( (*column)[ 1 ], meshDS );
2900 if ( edge.IsNull() || edge.ShapeType() == TopAbs_VERTEX )
2901 node = column->front();
2906 if ( !edge.IsNull() && edge.ShapeType() == TopAbs_EDGE )
2907 return TopoDS::Edge( edge );
2909 // find edge by 2 vertices
2910 TopoDS_Shape V1 = edge;
2911 TopoDS_Shape V2 = myHelper->GetSubShapeByNode( node, meshDS );
2912 if ( !V2.IsNull() && V2.ShapeType() == TopAbs_VERTEX && !V2.IsSame( V1 ))
2914 TopoDS_Shape ancestor = myHelper->GetCommonAncestor( V1, V2, *myHelper->GetMesh(), TopAbs_EDGE);
2915 if ( !ancestor.IsNull() )
2916 return TopoDS::Edge( ancestor );
2918 return TopoDS_Edge();
2921 //================================================================================
2923 * \brief Fill block sub-shapes
2924 * \param shapeMap - map to fill in
2925 * \retval int - nb inserted sub-shapes
2927 //================================================================================
2929 int StdMeshers_PrismAsBlock::TSideFace::InsertSubShapes(TBlockShapes& shapeMap) const
2934 vector< int > edgeIdVec;
2935 SMESH_Block::GetFaceEdgesIDs( myID, edgeIdVec );
2937 for ( int i = BOTTOM_EDGE; i <=V1_EDGE ; ++i ) {
2938 TopoDS_Edge e = GetEdge( i );
2939 if ( !e.IsNull() ) {
2940 nbInserted += SMESH_Block::Insert( e, edgeIdVec[ i ], shapeMap);
2944 // Insert corner vertices
2946 TParam2ColumnIt col1, col2 ;
2947 vector< int > vertIdVec;
2950 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V0_EDGE ], vertIdVec);
2951 GetColumns(0, col1, col2 );
2952 const SMDS_MeshNode* node0 = col1->second.front();
2953 const SMDS_MeshNode* node1 = col1->second.back();
2954 TopoDS_Shape v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2955 TopoDS_Shape v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2956 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2957 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2959 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2960 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2964 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V1_EDGE ], vertIdVec);
2965 GetColumns(1, col1, col2 );
2966 node0 = col2->second.front();
2967 node1 = col2->second.back();
2968 v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2969 v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2970 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2971 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2973 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2974 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2977 // TopoDS_Vertex V0, V1, Vcom;
2978 // TopExp::Vertices( myBaseEdge, V0, V1, true );
2979 // if ( !myIsForward ) std::swap( V0, V1 );
2981 // // bottom vertex IDs
2982 // SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ _u0 ], vertIdVec);
2983 // SMESH_Block::Insert( V0, vertIdVec[ 0 ], shapeMap);
2984 // SMESH_Block::Insert( V1, vertIdVec[ 1 ], shapeMap);
2986 // TopoDS_Edge sideEdge = GetEdge( V0_EDGE );
2987 // if ( sideEdge.IsNull() || !TopExp::CommonVertex( botEdge, sideEdge, Vcom ))
2990 // // insert one side edge
2992 // if ( Vcom.IsSame( V0 )) edgeID = edgeIdVec[ _v0 ];
2993 // else edgeID = edgeIdVec[ _v1 ];
2994 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
2996 // // top vertex of the side edge
2997 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec);
2998 // TopoDS_Vertex Vtop = TopExp::FirstVertex( sideEdge );
2999 // if ( Vcom.IsSame( Vtop ))
3000 // Vtop = TopExp::LastVertex( sideEdge );
3001 // SMESH_Block::Insert( Vtop, vertIdVec[ 1 ], shapeMap);
3003 // // other side edge
3004 // sideEdge = GetEdge( V1_EDGE );
3005 // if ( sideEdge.IsNull() )
3007 // if ( edgeID = edgeIdVec[ _v1 ]) edgeID = edgeIdVec[ _v0 ];
3008 // else edgeID = edgeIdVec[ _v1 ];
3009 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
3012 // TopoDS_Edge topEdge = GetEdge( TOP_EDGE );
3013 // SMESH_Block::Insert( topEdge, edgeIdVec[ _u1 ], shapeMap);
3015 // // top vertex of the other side edge
3016 // if ( !TopExp::CommonVertex( topEdge, sideEdge, Vcom ))
3018 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec );
3019 // SMESH_Block::Insert( Vcom, vertIdVec[ 1 ], shapeMap);
3024 //================================================================================
3026 * \brief Dump ids of nodes of sides
3028 //================================================================================
3030 void StdMeshers_PrismAsBlock::TSideFace::dumpNodes(int nbNodes) const
3033 cout << endl << "NODES OF FACE "; SMESH_Block::DumpShapeID( myID, cout ) << endl;
3034 THorizontalEdgeAdaptor* hSize0 = (THorizontalEdgeAdaptor*) HorizCurve(0);
3035 cout << "Horiz side 0: "; hSize0->dumpNodes(nbNodes); cout << endl;
3036 THorizontalEdgeAdaptor* hSize1 = (THorizontalEdgeAdaptor*) HorizCurve(1);
3037 cout << "Horiz side 1: "; hSize1->dumpNodes(nbNodes); cout << endl;
3038 TVerticalEdgeAdaptor* vSide0 = (TVerticalEdgeAdaptor*) VertiCurve(0);
3039 cout << "Verti side 0: "; vSide0->dumpNodes(nbNodes); cout << endl;
3040 TVerticalEdgeAdaptor* vSide1 = (TVerticalEdgeAdaptor*) VertiCurve(1);
3041 cout << "Verti side 1: "; vSide1->dumpNodes(nbNodes); cout << endl;
3042 delete hSize0; delete hSize1; delete vSide0; delete vSide1;
3046 //================================================================================
3048 * \brief Creates TVerticalEdgeAdaptor
3049 * \param columnsMap - node column map
3050 * \param parameter - normalized parameter
3052 //================================================================================
3054 StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::
3055 TVerticalEdgeAdaptor( const TParam2ColumnMap* columnsMap, const double parameter)
3057 myNodeColumn = & getColumn( columnsMap, parameter )->second;
3060 //================================================================================
3062 * \brief Return coordinates for the given normalized parameter
3063 * \param U - normalized parameter
3064 * \retval gp_Pnt - coordinates
3066 //================================================================================
3068 gp_Pnt StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::Value(const Standard_Real U) const
3070 const SMDS_MeshNode* n1;
3071 const SMDS_MeshNode* n2;
3072 double r = getRAndNodes( myNodeColumn, U, n1, n2 );
3073 return gpXYZ(n1) * ( 1 - r ) + gpXYZ(n2) * r;
3076 //================================================================================
3078 * \brief Dump ids of nodes
3080 //================================================================================
3082 void StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::dumpNodes(int nbNodes) const
3085 for ( int i = 0; i < nbNodes && i < myNodeColumn->size(); ++i )
3086 cout << (*myNodeColumn)[i]->GetID() << " ";
3087 if ( nbNodes < myNodeColumn->size() )
3088 cout << myNodeColumn->back()->GetID();
3092 //================================================================================
3094 * \brief Return coordinates for the given normalized parameter
3095 * \param U - normalized parameter
3096 * \retval gp_Pnt - coordinates
3098 //================================================================================
3100 gp_Pnt StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::Value(const Standard_Real U) const
3102 return mySide->TSideFace::Value( U, myV );
3105 //================================================================================
3107 * \brief Dump ids of <nbNodes> first nodes and the last one
3109 //================================================================================
3111 void StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::dumpNodes(int nbNodes) const
3114 // Not bedugged code. Last node is sometimes incorrect
3115 const TSideFace* side = mySide;
3117 if ( mySide->IsComplex() )
3118 side = mySide->GetComponent(0,u);
3120 TParam2ColumnIt col, col2;
3121 TParam2ColumnMap* u2cols = side->GetColumns();
3122 side->GetColumns( u , col, col2 );
3124 int j, i = myV ? mySide->ColumnHeight()-1 : 0;
3126 const SMDS_MeshNode* n = 0;
3127 const SMDS_MeshNode* lastN
3128 = side->IsForward() ? u2cols->rbegin()->second[ i ] : u2cols->begin()->second[ i ];
3129 for ( j = 0; j < nbNodes && n != lastN; ++j )
3131 n = col->second[ i ];
3132 cout << n->GetID() << " ";
3133 if ( side->IsForward() )
3141 if ( mySide->IsComplex() )
3142 side = mySide->GetComponent(1,u);
3144 side->GetColumns( u , col, col2 );
3145 if ( n != col->second[ i ] )
3146 cout << col->second[ i ]->GetID();
3149 //================================================================================
3151 * \brief Return UV on pcurve for the given normalized parameter
3152 * \param U - normalized parameter
3153 * \retval gp_Pnt - coordinates
3155 //================================================================================
3157 gp_Pnt2d StdMeshers_PrismAsBlock::TPCurveOnHorFaceAdaptor::Value(const Standard_Real U) const
3159 TParam2ColumnIt u_col1, u_col2;
3160 double r = mySide->GetColumns( U, u_col1, u_col2 );
3161 gp_XY uv1 = mySide->GetNodeUV( myFace, u_col1->second[ myZ ]);
3162 gp_XY uv2 = mySide->GetNodeUV( myFace, u_col2->second[ myZ ]);
3163 return uv1 * ( 1 - r ) + uv2 * r;