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 solidIt.Initialize( faceToSolids.FindFromKey( face ));
506 for ( ; solidIt.More(); solidIt.Next() )
508 const TopoDS_Shape& solid = solidIt.Value();
509 if ( !meshedSolids.Add( solid ))
510 continue; // already computed prism
513 prism.myBottom = face;
514 if ( !initPrism( prism, solid ) ||
518 meshedFaces.push_front( prism.myTop );
519 meshedPrism.push_back( prism );
522 if ( meshedSolids.Extent() == nbSolids )
525 // project mesh from source FACEs of computed prisms to
526 // prisms sharing wall FACEs
527 list< Prism_3D::TPrismTopo >::iterator prismIt = meshedPrism.begin();
528 for ( ; prismIt != meshedPrism.end(); ++prismIt )
530 for ( size_t iW = 0; iW < prismIt->myWallQuads.size(); ++iW )
532 Prism_3D::TQuadList::iterator wQuad = prismIt->myWallQuads[iW].begin();
533 for ( ; wQuad != prismIt->myWallQuads[iW].end(); ++ wQuad )
535 const TopoDS_Face& wFace = (*wQuad)->face;
536 solidIt.Initialize( faceToSolids.FindFromKey( wFace ));
537 for ( ; solidIt.More(); solidIt.Next() )
539 const TopoDS_Shape& solid = solidIt.Value();
540 if ( meshedSolids.Contains( solid ))
541 continue; // already computed prism
543 // find a source FACE of the SOLID: it's a FACE sharing a bottom EDGE with wFace
544 const TopoDS_Edge& wEdge = (*wQuad)->side[ QUAD_TOP_SIDE ]->Edge(0);
545 PShapeIteratorPtr faceIt = myHelper->GetAncestors( wEdge, *myHelper->GetMesh(),
547 while ( const TopoDS_Shape* f = faceIt->next() )
549 const TopoDS_Face& candidateF = TopoDS::Face( *f );
551 prism.myBottom = candidateF;
552 mySetErrorToSM = false;
553 if ( !myHelper->IsSubShape( candidateF, prismIt->myShape3D ) &&
554 !myHelper->GetMesh()->GetSubMesh( candidateF )->IsMeshComputed() &&
555 initPrism( prism, solid ) &&
556 project2dMesh( prismIt->myBottom, candidateF))
558 mySetErrorToSM = true;
559 if ( !compute( prism ))
561 meshedFaces.push_front( prism.myTop );
562 meshedFaces.push_front( prism.myBottom );
563 meshedPrism.push_back( prism );
564 meshedSolids.Add( solid );
568 mySetErrorToSM = true;
573 if ( !meshedFaces.empty() )
574 break; // to compute prisms with avident sources
577 // find FACEs with local 1D hyps, which has to be computed by now,
578 // or at least any computed FACEs
579 for ( int iF = 1; iF < faceToSolids.Extent(); ++iF )
581 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
582 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
583 if ( !faceSM->IsEmpty() )
585 meshedFaces.push_back( face ); // lower priority
589 bool allSubMeComputed = true;
590 SMESH_subMeshIteratorPtr smIt = faceSM->getDependsOnIterator(false,true);
591 while ( smIt->more() && allSubMeComputed )
592 allSubMeComputed = smIt->next()->IsMeshComputed();
593 if ( allSubMeComputed )
595 faceSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
596 if ( !faceSM->IsEmpty() )
597 meshedFaces.push_front( face ); // higher priority
599 faceSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
602 if ( !meshedFaces.empty() )
607 // TODO. there are other ways to find out the source FACE:
608 // propagation, topological similarity, ect.
611 if ( meshedFaces.empty() ) // set same error to 10 not-computed solids
613 SMESH_ComputeErrorPtr err = SMESH_ComputeError::New
614 ( COMPERR_BAD_INPUT_MESH, "No meshed source face found", this );
616 const int maxNbErrors = 10; // limit nb errors not to overload the Compute dialog
617 TopExp_Explorer solid( theShape, TopAbs_SOLID );
618 for ( int i = 0; ( i < maxNbErrors && solid.More() ); ++i, solid.Next() )
619 if ( !meshedSolids.Contains( solid.Current() ))
621 SMESH_subMesh* sm = theMesh.GetSubMesh( solid.Current() );
622 sm->GetComputeError() = err;
630 //================================================================================
632 * \brief Find wall faces by bottom edges
634 //================================================================================
636 bool StdMeshers_Prism_3D::getWallFaces( Prism_3D::TPrismTopo & thePrism,
637 const int totalNbFaces)
639 thePrism.myWallQuads.clear();
641 SMESH_Mesh* mesh = myHelper->GetMesh();
643 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, mesh );
645 TopTools_MapOfShape faceMap;
646 TopTools_IndexedDataMapOfShapeListOfShape edgeToFaces;
647 TopExp::MapShapesAndAncestors( thePrism.myShape3D,
648 TopAbs_EDGE, TopAbs_FACE, edgeToFaces );
650 // ------------------------------
651 // Get the 1st row of wall FACEs
652 // ------------------------------
654 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
655 std::list< int >::iterator nbE = thePrism.myNbEdgesInWires.begin();
657 while ( edge != thePrism.myBottomEdges.end() )
660 if ( BRep_Tool::Degenerated( *edge ))
662 edge = thePrism.myBottomEdges.erase( edge );
668 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( *edge ));
669 for ( ; faceIt.More(); faceIt.Next() )
671 const TopoDS_Face& face = TopoDS::Face( faceIt.Value() );
672 if ( !thePrism.myBottom.IsSame( face ))
674 Prism_3D::TQuadList quadList( 1, quadAlgo->CheckNbEdges( *mesh, face ));
675 if ( !quadList.back() )
676 return toSM( error(TCom("Side face #") << shapeID( face )
677 << " not meshable with quadrangles"));
678 if ( ! setBottomEdge( *edge, quadList.back(), face ))
679 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
680 thePrism.myWallQuads.push_back( quadList );
694 // -------------------------
695 // Find the rest wall FACEs
696 // -------------------------
698 // Compose a vector of indixes of right neighbour FACE for each wall FACE
699 // that is not so evident in case of several WIREs
700 thePrism.myRightQuadIndex.clear();
701 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
702 thePrism.myRightQuadIndex.push_back( i+1 );
703 list< int >::iterator nbEinW = thePrism.myNbEdgesInWires.begin();
704 for ( int iLeft = 0; nbEinW != thePrism.myNbEdgesInWires.end(); ++nbEinW )
706 thePrism.myRightQuadIndex[ iLeft + *nbEinW - 1 ] = iLeft; // 1st EDGE index of a current WIRE
710 while ( totalNbFaces - faceMap.Extent() > 2 )
712 // find wall FACEs adjacent to each of wallQuads by the right side EDGE
715 nbKnownFaces = faceMap.Extent();
716 StdMeshers_FaceSide *rightSide, *topSide; // sides of the quad
717 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
719 rightSide = thePrism.myWallQuads[i].back()->side[ QUAD_RIGHT_SIDE ];
720 for ( int iE = 0; iE < rightSide->NbEdges(); ++iE ) // rightSide can be composite
722 const TopoDS_Edge & rightE = rightSide->Edge( iE );
723 TopTools_ListIteratorOfListOfShape face( edgeToFaces.FindFromKey( rightE ));
724 for ( ; face.More(); face.Next() )
725 if ( faceMap.Add( face.Value() ))
727 // a new wall FACE encountered, store it in thePrism.myWallQuads
728 const int iRight = thePrism.myRightQuadIndex[i];
729 topSide = thePrism.myWallQuads[ iRight ].back()->side[ QUAD_TOP_SIDE ];
730 const TopoDS_Edge& newBotE = topSide->Edge(0);
731 const TopoDS_Shape& newWallF = face.Value();
732 thePrism.myWallQuads[ iRight ].push_back( quadAlgo->CheckNbEdges( *mesh, newWallF ));
733 if ( !thePrism.myWallQuads[ iRight ].back() )
734 return toSM( error(TCom("Side face #") << shapeID( newWallF ) <<
735 " not meshable with quadrangles"));
736 if ( ! setBottomEdge( newBotE, thePrism.myWallQuads[ iRight ].back(), newWallF ))
737 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
741 } while ( nbKnownFaces != faceMap.Extent() );
743 // find wall FACEs adjacent to each of thePrism.myWallQuads by the top side EDGE
744 if ( totalNbFaces - faceMap.Extent() > 2 )
746 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
748 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
749 const TopoDS_Edge & topE = topSide->Edge( 0 );
750 if ( topSide->NbEdges() > 1 )
751 return toSM( error(COMPERR_BAD_SHAPE, TCom("Side face #") <<
752 shapeID( thePrism.myWallQuads[i].back()->face )
753 << " has a composite top edge"));
754 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( topE ));
755 for ( ; faceIt.More(); faceIt.Next() )
756 if ( faceMap.Add( faceIt.Value() ))
758 // a new wall FACE encountered, store it in wallQuads
759 thePrism.myWallQuads[ i ].push_back( quadAlgo->CheckNbEdges( *mesh, faceIt.Value() ));
760 if ( !thePrism.myWallQuads[ i ].back() )
761 return toSM( error(TCom("Side face #") << shapeID( faceIt.Value() ) <<
762 " not meshable with quadrangles"));
763 if ( ! setBottomEdge( topE, thePrism.myWallQuads[ i ].back(), faceIt.Value() ))
764 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
765 if ( totalNbFaces - faceMap.Extent() == 2 )
767 i = thePrism.myWallQuads.size(); // to quit from the outer loop
773 } // while ( totalNbFaces - faceMap.Extent() > 2 )
775 // ------------------
777 // ------------------
779 if ( thePrism.myTop.IsNull() )
781 // now only top and bottom FACEs are not in the faceMap
782 faceMap.Add( thePrism.myBottom );
783 for ( TopExp_Explorer f( thePrism.myShape3D, TopAbs_FACE );f.More(); f.Next() )
784 if ( !faceMap.Contains( f.Current() )) {
785 thePrism.myTop = TopoDS::Face( f.Current() );
788 if ( thePrism.myTop.IsNull() )
789 return toSM( error("Top face not found"));
792 // Check that the top FACE shares all the top EDGEs
793 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
795 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
796 const TopoDS_Edge & topE = topSide->Edge( 0 );
797 if ( !myHelper->IsSubShape( topE, thePrism.myTop ))
798 return toSM( error( TCom("Wrong source face (#") << shapeID( thePrism.myBottom )));
804 //=======================================================================
806 //purpose : Compute mesh on a SOLID
807 //=======================================================================
809 bool StdMeshers_Prism_3D::compute(const Prism_3D::TPrismTopo& thePrism)
811 myHelper->IsQuadraticSubMesh( thePrism.myShape3D );
812 if ( _computeCanceled )
813 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
815 // Make all side FACEs of thePrism meshed with quads
816 if ( !computeWalls( thePrism ))
819 // Analyse mesh and geometry to find block sub-shapes and submeshes
820 if ( !myBlock.Init( myHelper, thePrism ))
821 return toSM( error( myBlock.GetError()));
823 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
825 int volumeID = meshDS->ShapeToIndex( thePrism.myShape3D );
828 // To compute coordinates of a node inside a block, it is necessary to know
829 // 1. normalized parameters of the node by which
830 // 2. coordinates of node projections on all block sub-shapes are computed
832 // So we fill projections on vertices at once as they are same for all nodes
833 myShapeXYZ.resize( myBlock.NbSubShapes() );
834 for ( int iV = SMESH_Block::ID_FirstV; iV < SMESH_Block::ID_FirstE; ++iV ) {
835 myBlock.VertexPoint( iV, myShapeXYZ[ iV ]);
836 SHOWYXZ("V point " <<iV << " ", myShapeXYZ[ iV ]);
839 // Projections on the top and bottom faces are taken from nodes existing
840 // on these faces; find correspondence between bottom and top nodes
841 myBotToColumnMap.clear();
842 if ( !assocOrProjBottom2Top() ) // it also fills myBotToColumnMap
846 // Create nodes inside the block
848 // try to use transformation (issue 0020680)
849 vector<gp_Trsf> trsf;
850 if ( myBlock.GetLayersTransformation(trsf))
852 // loop on nodes inside the bottom face
853 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
854 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
856 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
857 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
858 continue; // node is not inside face
860 // column nodes; middle part of the column are zero pointers
861 TNodeColumn& column = bot_column->second;
862 TNodeColumn::iterator columnNodes = column.begin();
863 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
865 const SMDS_MeshNode* & node = *columnNodes;
866 if ( node ) continue; // skip bottom or top node
868 gp_XYZ coords = tBotNode.GetCoords();
869 trsf[z-1].Transforms( coords );
870 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
871 meshDS->SetNodeInVolume( node, volumeID );
873 } // loop on bottom nodes
875 else // use block approach
877 // loop on nodes inside the bottom face
878 Prism_3D::TNode prevBNode;
879 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
880 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
882 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
883 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
884 continue; // node is not inside face
886 // column nodes; middle part of the column are zero pointers
887 TNodeColumn& column = bot_column->second;
889 // compute bottom node parameters
890 gp_XYZ paramHint(-1,-1,-1);
891 if ( prevBNode.IsNeighbor( tBotNode ))
892 paramHint = prevBNode.GetParams();
893 if ( !myBlock.ComputeParameters( tBotNode.GetCoords(), tBotNode.ChangeParams(),
894 ID_BOT_FACE, paramHint ))
895 return toSM( error(TCom("Can't compute normalized parameters for node ")
896 << tBotNode.myNode->GetID() << " on the face #"
897 << myBlock.SubMesh( ID_BOT_FACE )->GetId() ));
898 prevBNode = tBotNode;
900 myShapeXYZ[ ID_BOT_FACE ] = tBotNode.GetCoords();
901 gp_XYZ botParams = tBotNode.GetParams();
903 // compute top node parameters
904 myShapeXYZ[ ID_TOP_FACE ] = gpXYZ( column.back() );
905 gp_XYZ topParams = botParams;
907 if ( column.size() > 2 ) {
908 gp_Pnt topCoords = myShapeXYZ[ ID_TOP_FACE ];
909 if ( !myBlock.ComputeParameters( topCoords, topParams, ID_TOP_FACE, topParams ))
910 return toSM( error(TCom("Can't compute normalized parameters ")
911 << "for node " << column.back()->GetID()
912 << " on the face #"<< column.back()->getshapeId() ));
916 TNodeColumn::iterator columnNodes = column.begin();
917 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
919 const SMDS_MeshNode* & node = *columnNodes;
920 if ( node ) continue; // skip bottom or top node
922 // params of a node to create
923 double rz = (double) z / (double) ( column.size() - 1 );
924 gp_XYZ params = botParams * ( 1 - rz ) + topParams * rz;
926 // set coords on all faces and nodes
927 const int nbSideFaces = 4;
928 int sideFaceIDs[nbSideFaces] = { SMESH_Block::ID_Fx0z,
929 SMESH_Block::ID_Fx1z,
930 SMESH_Block::ID_F0yz,
931 SMESH_Block::ID_F1yz };
932 for ( int iF = 0; iF < nbSideFaces; ++iF )
933 if ( !setFaceAndEdgesXYZ( sideFaceIDs[ iF ], params, z ))
936 // compute coords for a new node
938 if ( !SMESH_Block::ShellPoint( params, myShapeXYZ, coords ))
939 return toSM( error("Can't compute coordinates by normalized parameters"));
941 SHOWYXZ("TOPFacePoint ",myShapeXYZ[ ID_TOP_FACE]);
942 SHOWYXZ("BOT Node "<< tBotNode.myNode->GetID(),gpXYZ(tBotNode.myNode));
943 SHOWYXZ("ShellPoint ",coords);
946 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
947 meshDS->SetNodeInVolume( node, volumeID );
949 } // loop on bottom nodes
954 SMESHDS_SubMesh* smDS = myBlock.SubMeshDS( ID_BOT_FACE );
955 if ( !smDS ) return toSM( error(COMPERR_BAD_INPUT_MESH, "Null submesh"));
957 // loop on bottom mesh faces
958 SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
959 while ( faceIt->more() )
961 const SMDS_MeshElement* face = faceIt->next();
962 if ( !face || face->GetType() != SMDSAbs_Face )
965 // find node columns for each node
966 int nbNodes = face->NbCornerNodes();
967 vector< const TNodeColumn* > columns( nbNodes );
968 for ( int i = 0; i < nbNodes; ++i )
970 const SMDS_MeshNode* n = face->GetNode( i );
971 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
972 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
973 if ( bot_column == myBotToColumnMap.end() )
974 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
975 columns[ i ] = & bot_column->second;
978 columns[ i ] = myBlock.GetNodeColumn( n );
980 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
984 AddPrisms( columns, myHelper );
986 } // loop on bottom mesh faces
989 myBotToColumnMap.clear();
995 //=======================================================================
996 //function : computeWalls
997 //purpose : Compute 2D mesh on walls FACEs of a prism
998 //=======================================================================
1000 bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
1002 SMESH_Mesh* mesh = myHelper->GetMesh();
1003 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
1005 TProjction1dAlgo* projector1D = TProjction1dAlgo::instance( this );
1006 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, mesh );
1008 SMESH_HypoFilter hyp1dFilter( SMESH_HypoFilter::IsAlgo(),/*not=*/true);
1009 hyp1dFilter.And( SMESH_HypoFilter::HasDim( 1 ));
1010 hyp1dFilter.And( SMESH_HypoFilter::IsMoreLocalThan( thePrism.myShape3D, *mesh ));
1012 // Discretize equally 'vertical' EDGEs
1013 // -----------------------------------
1014 // find source FACE sides for projection: either already computed ones or
1015 // the 'most composite' ones
1016 multimap< int, int > wgt2quad;
1017 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1019 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1020 int wgt = 0; // "weight"
1021 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1023 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ];
1024 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1027 const TopoDS_Edge& E = lftSide->Edge(i);
1028 if ( mesh->GetSubMesh( E )->IsMeshComputed() )
1030 else if ( mesh->GetHypothesis( E, hyp1dFilter, true )) // local hypothesis!
1034 wgt2quad.insert( make_pair( wgt, iW ));
1037 // Project 'vertical' EDGEs, from left to right
1038 multimap< int, int >::reverse_iterator w2q = wgt2quad.rbegin();
1039 for ( ; w2q != wgt2quad.rend(); ++w2q )
1041 const int iW = w2q->second;
1042 const Prism_3D::TQuadList& quads = thePrism.myWallQuads[ iW ];
1043 Prism_3D::TQuadList::const_iterator quad = quads.begin();
1044 for ( ; quad != quads.end(); ++quad )
1046 StdMeshers_FaceSide* rgtSide = (*quad)->side[ QUAD_RIGHT_SIDE ]; // tgt
1047 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ]; // src
1048 bool swapLeftRight = ( lftSide->NbSegments( /*update=*/true ) == 0 &&
1049 rgtSide->NbSegments( /*update=*/true ) > 0 );
1050 if ( swapLeftRight )
1051 std::swap( lftSide, rgtSide );
1053 // assure that all the source (left) EDGEs are meshed
1054 int nbSrcSegments = 0;
1055 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1057 const TopoDS_Edge& srcE = lftSide->Edge(i);
1058 SMESH_subMesh* srcSM = mesh->GetSubMesh( srcE );
1059 if ( !srcSM->IsMeshComputed() ) {
1060 srcSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1061 srcSM->ComputeStateEngine ( SMESH_subMesh::COMPUTE );
1062 if ( !srcSM->IsMeshComputed() )
1065 nbSrcSegments += srcSM->GetSubMeshDS()->NbElements();
1067 // check target EDGEs
1068 int nbTgtMeshed = 0, nbTgtSegments = 0;
1069 vector< bool > isTgtEdgeComputed( rgtSide->NbEdges() );
1070 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1072 const TopoDS_Edge& tgtE = rgtSide->Edge(i);
1073 SMESH_subMesh* tgtSM = mesh->GetSubMesh( tgtE );
1074 if (( isTgtEdgeComputed[ i ] = tgtSM->IsMeshComputed() )) {
1076 nbTgtSegments += tgtSM->GetSubMeshDS()->NbElements();
1079 if ( rgtSide->NbEdges() == nbTgtMeshed ) // all tgt EDGEs meshed
1081 if ( nbTgtSegments != nbSrcSegments )
1083 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1084 addBadInputElements( meshDS->MeshElements( lftSide->Edge( i )));
1085 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1086 addBadInputElements( meshDS->MeshElements( rgtSide->Edge( i )));
1087 return toSM( error( TCom("Different nb of segment on logically vertical edges #")
1088 << shapeID( lftSide->Edge(0) ) << " and #"
1089 << shapeID( rgtSide->Edge(0) ) << ": "
1090 << nbSrcSegments << " != " << nbTgtSegments ));
1095 if ( nbTgtMeshed == 0 )
1097 // compute nodes on target VERTEXes
1098 const UVPtStructVec& srcNodeStr = lftSide->GetUVPtStruct();
1099 if ( srcNodeStr.size() == 0 )
1100 return toSM( error( TCom("Invalid node positions on edge #") <<
1101 shapeID( lftSide->Edge(0) )));
1102 vector< SMDS_MeshNode* > newNodes( srcNodeStr.size() );
1103 for ( int is2ndV = 0; is2ndV < 2; ++is2ndV )
1105 const TopoDS_Edge& E = rgtSide->Edge( is2ndV ? rgtSide->NbEdges()-1 : 0 );
1106 TopoDS_Vertex v = myHelper->IthVertex( is2ndV, E );
1107 mesh->GetSubMesh( v )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1108 const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, meshDS );
1109 newNodes[ is2ndV ? 0 : newNodes.size()-1 ] = (SMDS_MeshNode*) n;
1112 // compute nodes on target EDGEs
1113 rgtSide->Reverse(); // direct it same as the lftSide
1114 myHelper->SetElementsOnShape( false );
1115 TopoDS_Edge tgtEdge;
1116 for ( size_t iN = 1; iN < srcNodeStr.size()-1; ++iN ) // add nodes
1118 gp_Pnt p = rgtSide->Value3d ( srcNodeStr[ iN ].normParam );
1119 double u = rgtSide->Parameter( srcNodeStr[ iN ].normParam, tgtEdge );
1120 newNodes[ iN ] = meshDS->AddNode( p.X(), p.Y(), p.Z() );
1121 meshDS->SetNodeOnEdge( newNodes[ iN ], tgtEdge, u );
1123 for ( size_t iN = 1; iN < srcNodeStr.size(); ++iN ) // add segments
1125 SMDS_MeshElement* newEdge = myHelper->AddEdge( newNodes[ iN-1 ], newNodes[ iN ] );
1126 std::pair<int, TopAbs_ShapeEnum> id2type =
1127 myHelper->GetMediumPos( newNodes[ iN-1 ], newNodes[ iN ] );
1128 if ( id2type.second == TopAbs_EDGE )
1130 meshDS->SetMeshElementOnShape( newEdge, id2type.first );
1132 else // new nodes are on different EDGEs; put one of them on VERTEX
1134 const int edgeIndex = rgtSide->EdgeIndex( srcNodeStr[ iN-1 ].normParam );
1135 const double vertexParam = rgtSide->LastParameter( edgeIndex );
1136 const gp_Pnt p = BRep_Tool::Pnt( rgtSide->LastVertex( edgeIndex ));
1137 const int isPrev = ( Abs( srcNodeStr[ iN-1 ].normParam - vertexParam ) <
1138 Abs( srcNodeStr[ iN ].normParam - vertexParam ));
1139 meshDS->SetMeshElementOnShape( newEdge, newNodes[ iN-(1-isPrev) ]->getshapeId() );
1140 meshDS->UnSetNodeOnShape( newNodes[ iN-isPrev ] );
1141 meshDS->SetNodeOnVertex ( newNodes[ iN-isPrev ], rgtSide->LastVertex( edgeIndex ));
1142 meshDS->MoveNode( newNodes[ iN-isPrev ], p.X(), p.Y(), p.Z() );
1145 myHelper->SetElementsOnShape( true );
1146 for ( int i = 0; i < rgtSide->NbEdges(); ++i ) // update state of sub-meshes
1148 const TopoDS_Edge& E = rgtSide->Edge( i );
1149 SMESH_subMesh* tgtSM = mesh->GetSubMesh( E );
1150 tgtSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1153 // to continue projection from the just computed side as a source
1154 if ( !swapLeftRight && rgtSide->NbEdges() > 1 && w2q->second == iW )
1156 std::pair<int,int> wgt2quadKeyVal( w2q->first + 1, thePrism.myRightQuadIndex[ iW ]);
1157 wgt2quad.insert( wgt2quadKeyVal ); // it will be skipped by ++w2q
1158 wgt2quad.insert( wgt2quadKeyVal );
1159 w2q = wgt2quad.rbegin();
1164 // HOPE assigned hypotheses are OK, so that equal nb of segments will be generated
1165 //return toSM( error("Partial projection not implemented"));
1167 } // loop on quads of a composite wall side
1168 } // loop on the ordered wall sides
1172 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1174 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1175 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1177 // Top EDGEs must be projections from the bottom ones
1178 // to compute stuctured quad mesh on wall FACEs
1179 // ---------------------------------------------------
1180 const TopoDS_Edge& botE = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge(0);
1181 const TopoDS_Edge& topE = (*quad)->side[ QUAD_TOP_SIDE ]->Edge(0);
1183 projector1D->myHyp.SetSourceEdge( botE );
1185 SMESH_subMesh* tgtEdgeSm = mesh->GetSubMesh( topE );
1186 if ( !tgtEdgeSm->IsMeshComputed() )
1188 // compute nodes on VERTEXes
1189 tgtEdgeSm->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1191 projector1D->InitComputeError();
1192 bool ok = projector1D->Compute( *mesh, topE );
1195 SMESH_ComputeErrorPtr err = projector1D->GetComputeError();
1196 if ( err->IsOK() ) err->myName = COMPERR_ALGO_FAILED;
1197 tgtEdgeSm->GetComputeError() = err;
1201 tgtEdgeSm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1203 // Compute quad mesh on wall FACEs
1204 // -------------------------------
1205 const TopoDS_Face& face = (*quad)->face;
1206 SMESH_subMesh* fSM = mesh->GetSubMesh( face );
1207 if ( fSM->IsMeshComputed() ) continue;
1209 // make all EDGES meshed
1210 fSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1211 if ( !fSM->SubMeshesComputed() )
1212 return toSM( error( COMPERR_BAD_INPUT_MESH,
1213 "Not all edges have valid algorithm and hypothesis"));
1215 quadAlgo->InitComputeError();
1216 bool ok = quadAlgo->Compute( *mesh, face );
1217 fSM->GetComputeError() = quadAlgo->GetComputeError();
1220 fSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1227 //=======================================================================
1228 //function : Evaluate
1230 //=======================================================================
1232 bool StdMeshers_Prism_3D::Evaluate(SMESH_Mesh& theMesh,
1233 const TopoDS_Shape& theShape,
1234 MapShapeNbElems& aResMap)
1236 if ( theShape.ShapeType() == TopAbs_COMPOUND )
1239 for ( TopoDS_Iterator it( theShape ); it.More(); it.Next() )
1240 ok &= Evaluate( theMesh, it.Value(), aResMap );
1243 SMESH_MesherHelper helper( theMesh );
1245 myHelper->SetSubShape( theShape );
1247 // find face contains only triangles
1248 vector < SMESH_subMesh * >meshFaces;
1249 TopTools_SequenceOfShape aFaces;
1250 int NumBase = 0, i = 0, NbQFs = 0;
1251 for (TopExp_Explorer exp(theShape, TopAbs_FACE); exp.More(); exp.Next()) {
1253 aFaces.Append(exp.Current());
1254 SMESH_subMesh *aSubMesh = theMesh.GetSubMesh(exp.Current());
1255 meshFaces.push_back(aSubMesh);
1256 MapShapeNbElemsItr anIt = aResMap.find(meshFaces[i-1]);
1257 if( anIt==aResMap.end() )
1258 return toSM( error( "Submesh can not be evaluated"));
1260 std::vector<int> aVec = (*anIt).second;
1261 int nbtri = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1262 int nbqua = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1263 if( nbtri==0 && nbqua>0 ) {
1272 std::vector<int> aResVec(SMDSEntity_Last);
1273 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1274 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1275 aResMap.insert(std::make_pair(sm,aResVec));
1276 return toSM( error( "Submesh can not be evaluated" ));
1279 if(NumBase==0) NumBase = 1; // only quads => set 1 faces as base
1281 // find number of 1d elems for base face
1283 TopTools_MapOfShape Edges1;
1284 for (TopExp_Explorer exp(aFaces.Value(NumBase), TopAbs_EDGE); exp.More(); exp.Next()) {
1285 Edges1.Add(exp.Current());
1286 SMESH_subMesh *sm = theMesh.GetSubMesh(exp.Current());
1288 MapShapeNbElemsItr anIt = aResMap.find(sm);
1289 if( anIt == aResMap.end() ) continue;
1290 std::vector<int> aVec = (*anIt).second;
1291 nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
1294 // find face opposite to base face
1296 for(i=1; i<=6; i++) {
1297 if(i==NumBase) continue;
1298 bool IsOpposite = true;
1299 for(TopExp_Explorer exp(aFaces.Value(i), TopAbs_EDGE); exp.More(); exp.Next()) {
1300 if( Edges1.Contains(exp.Current()) ) {
1310 // find number of 2d elems on side faces
1312 for(i=1; i<=6; i++) {
1313 if( i==OppNum || i==NumBase ) continue;
1314 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[i-1] );
1315 if( anIt == aResMap.end() ) continue;
1316 std::vector<int> aVec = (*anIt).second;
1317 nb2d += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1320 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[NumBase-1] );
1321 std::vector<int> aVec = (*anIt).second;
1322 bool IsQuadratic = (aVec[SMDSEntity_Quad_Triangle]>aVec[SMDSEntity_Triangle]) ||
1323 (aVec[SMDSEntity_Quad_Quadrangle]>aVec[SMDSEntity_Quadrangle]);
1324 int nb2d_face0_3 = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1325 int nb2d_face0_4 = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1326 int nb0d_face0 = aVec[SMDSEntity_Node];
1327 int nb1d_face0_int = ( nb2d_face0_3*3 + nb2d_face0_4*4 - nb1d ) / 2;
1329 std::vector<int> aResVec(SMDSEntity_Last);
1330 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1332 aResVec[SMDSEntity_Quad_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1333 aResVec[SMDSEntity_Quad_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1334 aResVec[SMDSEntity_Node] = nb0d_face0 * ( 2*nb2d/nb1d - 1 ) - nb1d_face0_int * nb2d/nb1d;
1337 aResVec[SMDSEntity_Node] = nb0d_face0 * ( nb2d/nb1d - 1 );
1338 aResVec[SMDSEntity_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1339 aResVec[SMDSEntity_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1341 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1342 aResMap.insert(std::make_pair(sm,aResVec));
1347 //================================================================================
1349 * \brief Create prisms
1350 * \param columns - columns of nodes generated from nodes of a mesh face
1351 * \param helper - helper initialized by mesh and shape to add prisms to
1353 //================================================================================
1355 void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
1356 SMESH_MesherHelper* helper)
1358 int nbNodes = columns.size();
1359 int nbZ = columns[0]->size();
1360 if ( nbZ < 2 ) return;
1362 // find out orientation
1363 bool isForward = true;
1364 SMDS_VolumeTool vTool;
1366 switch ( nbNodes ) {
1368 SMDS_VolumeOfNodes tmpPenta ( (*columns[0])[z-1], // bottom
1371 (*columns[0])[z], // top
1374 vTool.Set( &tmpPenta );
1375 isForward = vTool.IsForward();
1379 SMDS_VolumeOfNodes tmpHex( (*columns[0])[z-1], (*columns[1])[z-1], // bottom
1380 (*columns[2])[z-1], (*columns[3])[z-1],
1381 (*columns[0])[z], (*columns[1])[z], // top
1382 (*columns[2])[z], (*columns[3])[z] );
1383 vTool.Set( &tmpHex );
1384 isForward = vTool.IsForward();
1388 const int di = (nbNodes+1) / 3;
1389 SMDS_VolumeOfNodes tmpVol ( (*columns[0] )[z-1],
1390 (*columns[di] )[z-1],
1391 (*columns[2*di])[z-1],
1394 (*columns[2*di])[z] );
1395 vTool.Set( &tmpVol );
1396 isForward = vTool.IsForward();
1399 // vertical loop on columns
1401 helper->SetElementsOnShape( true );
1403 switch ( nbNodes ) {
1405 case 3: { // ---------- pentahedra
1406 const int i1 = isForward ? 1 : 2;
1407 const int i2 = isForward ? 2 : 1;
1408 for ( z = 1; z < nbZ; ++z )
1409 helper->AddVolume( (*columns[0 ])[z-1], // bottom
1410 (*columns[i1])[z-1],
1411 (*columns[i2])[z-1],
1412 (*columns[0 ])[z], // top
1414 (*columns[i2])[z] );
1417 case 4: { // ---------- hexahedra
1418 const int i1 = isForward ? 1 : 3;
1419 const int i3 = isForward ? 3 : 1;
1420 for ( z = 1; z < nbZ; ++z )
1421 helper->AddVolume( (*columns[0])[z-1], (*columns[i1])[z-1], // bottom
1422 (*columns[2])[z-1], (*columns[i3])[z-1],
1423 (*columns[0])[z], (*columns[i1])[z], // top
1424 (*columns[2])[z], (*columns[i3])[z] );
1427 case 6: { // ---------- octahedra
1428 const int iBase1 = isForward ? -1 : 0;
1429 const int iBase2 = isForward ? 0 :-1;
1430 for ( z = 1; z < nbZ; ++z )
1431 helper->AddVolume( (*columns[0])[z+iBase1], (*columns[1])[z+iBase1], // bottom or top
1432 (*columns[2])[z+iBase1], (*columns[3])[z+iBase1],
1433 (*columns[4])[z+iBase1], (*columns[5])[z+iBase1],
1434 (*columns[0])[z+iBase2], (*columns[1])[z+iBase2], // top or bottom
1435 (*columns[2])[z+iBase2], (*columns[3])[z+iBase2],
1436 (*columns[4])[z+iBase2], (*columns[5])[z+iBase2] );
1439 default: // ---------- polyhedra
1440 vector<int> quantities( 2 + nbNodes, 4 );
1441 quantities[0] = quantities[1] = nbNodes;
1442 columns.resize( nbNodes + 1 );
1443 columns[ nbNodes ] = columns[ 0 ];
1444 const int i1 = isForward ? 1 : 3;
1445 const int i3 = isForward ? 3 : 1;
1446 const int iBase1 = isForward ? -1 : 0;
1447 const int iBase2 = isForward ? 0 :-1;
1448 vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
1449 for ( z = 1; z < nbZ; ++z )
1451 for ( int i = 0; i < nbNodes; ++i ) {
1452 nodes[ i ] = (*columns[ i ])[z+iBase1]; // bottom or top
1453 nodes[ 2*nbNodes-i-1 ] = (*columns[ i ])[z+iBase2]; // top or bottom
1455 int di = 2*nbNodes + 4*i;
1456 nodes[ di+0 ] = (*columns[i ])[z ];
1457 nodes[ di+i1] = (*columns[i+1])[z ];
1458 nodes[ di+2 ] = (*columns[i+1])[z-1];
1459 nodes[ di+i3] = (*columns[i ])[z-1];
1461 helper->AddPolyhedralVolume( nodes, quantities );
1464 } // switch ( nbNodes )
1467 //================================================================================
1469 * \brief Find correspondence between bottom and top nodes
1470 * If elements on the bottom and top faces are topologically different,
1471 * and projection is possible and allowed, perform the projection
1472 * \retval bool - is a success or not
1474 //================================================================================
1476 bool StdMeshers_Prism_3D::assocOrProjBottom2Top()
1478 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1479 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1481 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1482 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1484 if ( !botSMDS || botSMDS->NbElements() == 0 )
1485 return toSM( error(TCom("No elememts on face #") << botSM->GetId() ));
1487 bool needProject = !topSM->IsMeshComputed();
1488 if ( !needProject &&
1489 (botSMDS->NbElements() != topSMDS->NbElements() ||
1490 botSMDS->NbNodes() != topSMDS->NbNodes()))
1492 MESSAGE("nb elem bot " << botSMDS->NbElements() <<
1493 " top " << ( topSMDS ? topSMDS->NbElements() : 0 ));
1494 MESSAGE("nb node bot " << botSMDS->NbNodes() <<
1495 " top " << ( topSMDS ? topSMDS->NbNodes() : 0 ));
1496 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1497 <<" and #"<< topSM->GetId() << " seems different" ));
1500 if ( 0/*needProject && !myProjectTriangles*/ )
1501 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1502 <<" and #"<< topSM->GetId() << " seems different" ));
1503 ///RETURN_BAD_RESULT("Need to project but not allowed");
1507 return projectBottomToTop();
1510 TopoDS_Face botFace = TopoDS::Face( myBlock.Shape( ID_BOT_FACE ));
1511 TopoDS_Face topFace = TopoDS::Face( myBlock.Shape( ID_TOP_FACE ));
1512 // associate top and bottom faces
1513 TAssocTool::TShapeShapeMap shape2ShapeMap;
1514 if ( !TAssocTool::FindSubShapeAssociation( botFace, myBlock.Mesh(),
1515 topFace, myBlock.Mesh(),
1517 return toSM( error(TCom("Topology of faces #") << botSM->GetId()
1518 <<" and #"<< topSM->GetId() << " seems different" ));
1520 // Find matching nodes of top and bottom faces
1521 TNodeNodeMap n2nMap;
1522 if ( ! TAssocTool::FindMatchingNodesOnFaces( botFace, myBlock.Mesh(),
1523 topFace, myBlock.Mesh(),
1524 shape2ShapeMap, n2nMap ))
1525 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1526 <<" and #"<< topSM->GetId() << " seems different" ));
1528 // Fill myBotToColumnMap
1530 int zSize = myBlock.VerticalSize();
1532 TNodeNodeMap::iterator bN_tN = n2nMap.begin();
1533 for ( ; bN_tN != n2nMap.end(); ++bN_tN )
1535 const SMDS_MeshNode* botNode = bN_tN->first;
1536 const SMDS_MeshNode* topNode = bN_tN->second;
1537 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1538 continue; // wall columns are contained in myBlock
1539 // create node column
1540 Prism_3D::TNode bN( botNode );
1541 TNode2ColumnMap::iterator bN_col =
1542 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1543 TNodeColumn & column = bN_col->second;
1544 column.resize( zSize );
1545 column.front() = botNode;
1546 column.back() = topNode;
1551 //================================================================================
1553 * \brief Remove quadrangles from the top face and
1554 * create triangles there by projection from the bottom
1555 * \retval bool - a success or not
1557 //================================================================================
1559 bool StdMeshers_Prism_3D::projectBottomToTop()
1561 SMESHDS_Mesh* meshDS = myBlock.MeshDS();
1562 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1563 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1565 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1566 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1568 if ( topSMDS && topSMDS->NbElements() > 0 )
1569 topSM->ComputeStateEngine( SMESH_subMesh::CLEAN );
1571 const TopoDS_Shape& botFace = myBlock.Shape( ID_BOT_FACE ); // oriented within the 3D SHAPE
1572 const TopoDS_Shape& topFace = myBlock.Shape( ID_TOP_FACE);
1573 int topFaceID = meshDS->ShapeToIndex( topFace );
1575 // Fill myBotToColumnMap
1577 int zSize = myBlock.VerticalSize();
1578 Prism_3D::TNode prevTNode;
1579 SMDS_NodeIteratorPtr nIt = botSMDS->GetNodes();
1580 while ( nIt->more() )
1582 const SMDS_MeshNode* botNode = nIt->next();
1583 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1584 continue; // strange
1585 // compute bottom node params
1586 Prism_3D::TNode bN( botNode );
1587 gp_XYZ paramHint(-1,-1,-1);
1588 if ( prevTNode.IsNeighbor( bN ))
1589 paramHint = prevTNode.GetParams();
1590 if ( !myBlock.ComputeParameters( bN.GetCoords(), bN.ChangeParams(),
1591 ID_BOT_FACE, paramHint ))
1592 return toSM( error(TCom("Can't compute normalized parameters for node ")
1593 << botNode->GetID() << " on the face #"<< botSM->GetId() ));
1595 // compute top node coords
1596 gp_XYZ topXYZ; gp_XY topUV;
1597 if ( !myBlock.FacePoint( ID_TOP_FACE, bN.GetParams(), topXYZ ) ||
1598 !myBlock.FaceUV ( ID_TOP_FACE, bN.GetParams(), topUV ))
1599 return toSM( error(TCom("Can't compute coordinates "
1600 "by normalized parameters on the face #")<< topSM->GetId() ));
1601 SMDS_MeshNode * topNode = meshDS->AddNode( topXYZ.X(),topXYZ.Y(),topXYZ.Z() );
1602 meshDS->SetNodeOnFace( topNode, topFaceID, topUV.X(), topUV.Y() );
1603 // create node column
1604 TNode2ColumnMap::iterator bN_col =
1605 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1606 TNodeColumn & column = bN_col->second;
1607 column.resize( zSize );
1608 column.front() = botNode;
1609 column.back() = topNode;
1614 const bool oldSetElemsOnShape = myHelper->SetElementsOnShape( false );
1616 // care of orientation;
1617 // if the bottom faces is orienetd OK then top faces must be reversed
1618 bool reverseTop = true;
1619 if ( myHelper->NbAncestors( botFace, *myBlock.Mesh(), TopAbs_SOLID ) > 1 )
1620 reverseTop = ! SMESH_Algo::IsReversedSubMesh( TopoDS::Face( botFace ), meshDS );
1621 int iFrw, iRev, *iPtr = &( reverseTop ? iRev : iFrw );
1623 // loop on bottom mesh faces
1624 SMDS_ElemIteratorPtr faceIt = botSMDS->GetElements();
1625 vector< const SMDS_MeshNode* > nodes;
1626 while ( faceIt->more() )
1628 const SMDS_MeshElement* face = faceIt->next();
1629 if ( !face || face->GetType() != SMDSAbs_Face )
1632 // find top node in columns for each bottom node
1633 int nbNodes = face->NbCornerNodes();
1634 nodes.resize( nbNodes );
1635 for ( iFrw = 0, iRev = nbNodes-1; iFrw < nbNodes; ++iFrw, --iRev )
1637 const SMDS_MeshNode* n = face->GetNode( *iPtr );
1638 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
1639 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
1640 if ( bot_column == myBotToColumnMap.end() )
1641 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
1642 nodes[ iFrw ] = bot_column->second.back();
1645 const TNodeColumn* column = myBlock.GetNodeColumn( n );
1647 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
1648 nodes[ iFrw ] = column->back();
1651 SMDS_MeshElement* newFace = 0;
1652 switch ( nbNodes ) {
1655 newFace = myHelper->AddFace(nodes[0], nodes[1], nodes[2]);
1659 newFace = myHelper->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
1663 newFace = meshDS->AddPolygonalFace( nodes );
1666 meshDS->SetMeshElementOnShape( newFace, topFaceID );
1669 myHelper->SetElementsOnShape( oldSetElemsOnShape );
1674 //=======================================================================
1675 //function : project2dMesh
1676 //purpose : Project mesh faces from a source FACE of one prism (theSrcFace)
1677 // to a source FACE of another prism (theTgtFace)
1678 //=======================================================================
1680 bool StdMeshers_Prism_3D::project2dMesh(const TopoDS_Face& theSrcFace,
1681 const TopoDS_Face& theTgtFace)
1683 TProjction2dAlgo* projector2D = TProjction2dAlgo::instance( this );
1684 projector2D->myHyp.SetSourceFace( theSrcFace );
1685 bool ok = projector2D->Compute( *myHelper->GetMesh(), theTgtFace );
1687 SMESH_subMesh* tgtSM = myHelper->GetMesh()->GetSubMesh( theTgtFace );
1688 tgtSM->ComputeStateEngine ( SMESH_subMesh::CHECK_COMPUTE_STATE );
1689 tgtSM->ComputeSubMeshStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1694 //================================================================================
1696 * \brief Set projection coordinates of a node to a face and it's sub-shapes
1697 * \param faceID - the face given by in-block ID
1698 * \param params - node normalized parameters
1699 * \retval bool - is a success
1701 //================================================================================
1703 bool StdMeshers_Prism_3D::setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z )
1705 // find base and top edges of the face
1706 enum { BASE = 0, TOP, LEFT, RIGHT };
1707 vector< int > edgeVec; // 0-base, 1-top
1708 SMESH_Block::GetFaceEdgesIDs( faceID, edgeVec );
1710 myBlock.EdgePoint( edgeVec[ BASE ], params, myShapeXYZ[ edgeVec[ BASE ]]);
1711 myBlock.EdgePoint( edgeVec[ TOP ], params, myShapeXYZ[ edgeVec[ TOP ]]);
1713 SHOWYXZ("\nparams ", params);
1714 SHOWYXZ("TOP is " <<edgeVec[ TOP ], myShapeXYZ[ edgeVec[ TOP]]);
1715 SHOWYXZ("BASE is "<<edgeVec[ BASE], myShapeXYZ[ edgeVec[ BASE]]);
1717 if ( faceID == SMESH_Block::ID_Fx0z || faceID == SMESH_Block::ID_Fx1z )
1719 myBlock.EdgePoint( edgeVec[ LEFT ], params, myShapeXYZ[ edgeVec[ LEFT ]]);
1720 myBlock.EdgePoint( edgeVec[ RIGHT ], params, myShapeXYZ[ edgeVec[ RIGHT ]]);
1722 SHOWYXZ("VER "<<edgeVec[ LEFT], myShapeXYZ[ edgeVec[ LEFT]]);
1723 SHOWYXZ("VER "<<edgeVec[ RIGHT], myShapeXYZ[ edgeVec[ RIGHT]]);
1725 myBlock.FacePoint( faceID, params, myShapeXYZ[ faceID ]);
1726 SHOWYXZ("FacePoint "<<faceID, myShapeXYZ[ faceID]);
1731 //=======================================================================
1733 //purpose : If (!isOK), sets the error to a sub-mesh of a current SOLID
1734 //=======================================================================
1736 bool StdMeshers_Prism_3D::toSM( bool isOK )
1738 if ( mySetErrorToSM &&
1741 !myHelper->GetSubShape().IsNull() &&
1742 myHelper->GetSubShape().ShapeType() == TopAbs_SOLID)
1744 SMESH_subMesh* sm = myHelper->GetMesh()->GetSubMesh( myHelper->GetSubShape() );
1745 sm->GetComputeError() = this->GetComputeError();
1746 // clear error in order not to return it twice
1747 _error = COMPERR_OK;
1753 //=======================================================================
1754 //function : shapeID
1755 //purpose : Return index of a shape
1756 //=======================================================================
1758 int StdMeshers_Prism_3D::shapeID( const TopoDS_Shape& S )
1760 if ( S.IsNull() ) return 0;
1761 if ( !myHelper ) return -3;
1762 return myHelper->GetMeshDS()->ShapeToIndex( S );
1767 //================================================================================
1769 * \brief Return true if this node and other one belong to one face
1771 //================================================================================
1773 bool Prism_3D::TNode::IsNeighbor( const Prism_3D::TNode& other ) const
1775 if ( !other.myNode || !myNode ) return false;
1777 SMDS_ElemIteratorPtr fIt = other.myNode->GetInverseElementIterator(SMDSAbs_Face);
1778 while ( fIt->more() )
1779 if ( fIt->next()->GetNodeIndex( myNode ) >= 0 )
1784 //================================================================================
1786 * \brief Prism initialization
1788 //================================================================================
1790 void TPrismTopo::Clear()
1792 myShape3D.Nullify();
1795 myWallQuads.clear();
1796 myBottomEdges.clear();
1797 myNbEdgesInWires.clear();
1798 myWallQuads.clear();
1801 } // namespace Prism_3D
1803 //================================================================================
1805 * \brief Constructor. Initialization is needed
1807 //================================================================================
1809 StdMeshers_PrismAsBlock::StdMeshers_PrismAsBlock()
1814 StdMeshers_PrismAsBlock::~StdMeshers_PrismAsBlock()
1818 void StdMeshers_PrismAsBlock::Clear()
1821 myShapeIDMap.Clear();
1825 delete mySide; mySide = 0;
1827 myParam2ColumnMaps.clear();
1828 myShapeIndex2ColumnMap.clear();
1831 //=======================================================================
1832 //function : initPrism
1833 //purpose : Analyse shape geometry and mesh.
1834 // If there are triangles on one of faces, it becomes 'bottom'.
1835 // thePrism.myBottom can be already set up.
1836 //=======================================================================
1838 bool StdMeshers_Prism_3D::initPrism(Prism_3D::TPrismTopo& thePrism,
1839 const TopoDS_Shape& shape3D)
1841 myHelper->SetSubShape( shape3D );
1843 SMESH_subMesh* mainSubMesh = myHelper->GetMesh()->GetSubMeshContaining( shape3D );
1844 if ( !mainSubMesh ) return toSM( error(COMPERR_BAD_INPUT_MESH,"Null submesh of shape3D"));
1846 // detect not-quad FACE sub-meshes of the 3D SHAPE
1847 list< SMESH_subMesh* > notQuadGeomSubMesh;
1848 list< SMESH_subMesh* > notQuadElemSubMesh;
1851 SMESH_subMesh* anyFaceSM = 0;
1852 SMESH_subMeshIteratorPtr smIt = mainSubMesh->getDependsOnIterator(false,true);
1853 while ( smIt->more() )
1855 SMESH_subMesh* sm = smIt->next();
1856 const TopoDS_Shape& face = sm->GetSubShape();
1857 if ( face.ShapeType() > TopAbs_FACE ) break;
1858 else if ( face.ShapeType() < TopAbs_FACE ) continue;
1862 // is quadrangle FACE?
1863 list< TopoDS_Edge > orderedEdges;
1864 list< int > nbEdgesInWires;
1865 int nbWires = SMESH_Block::GetOrderedEdges( TopoDS::Face( face ), orderedEdges,
1867 if ( nbWires != 1 || nbEdgesInWires.front() != 4 )
1868 notQuadGeomSubMesh.push_back( sm );
1870 // look for not quadrangle mesh elements
1871 if ( SMESHDS_SubMesh* smDS = sm->GetSubMeshDS() )
1872 if ( !myHelper->IsSameElemGeometry( smDS, SMDSGeom_QUADRANGLE ))
1873 notQuadElemSubMesh.push_back( sm );
1876 int nbNotQuadMeshed = notQuadElemSubMesh.size();
1877 int nbNotQuad = notQuadGeomSubMesh.size();
1878 bool hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1881 if ( nbNotQuadMeshed > 2 )
1883 return toSM( error(COMPERR_BAD_INPUT_MESH,
1884 TCom("More than 2 faces with not quadrangle elements: ")
1885 <<nbNotQuadMeshed));
1887 if ( nbNotQuad > 2 || !thePrism.myBottom.IsNull() )
1889 // Issue 0020843 - one of side FACEs is quasi-quadrilateral (not 4 EDGEs).
1890 // Remove from notQuadGeomSubMesh faces meshed with regular grid
1891 int nbQuasiQuads = removeQuasiQuads( notQuadGeomSubMesh, myHelper,
1892 TQuadrangleAlgo::instance(this,myHelper->GetMesh()) );
1893 nbNotQuad -= nbQuasiQuads;
1894 if ( nbNotQuad > 2 )
1895 return toSM( error(COMPERR_BAD_SHAPE,
1896 TCom("More than 2 not quadrilateral faces: ") <<nbNotQuad));
1897 hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1900 // Analyse mesh and topology of FACEs: choose the bottom sub-mesh.
1901 // If there are not quadrangle FACEs, they are top and bottom ones.
1902 // Not quadrangle FACEs must be only on top and bottom.
1904 SMESH_subMesh * botSM = 0;
1905 SMESH_subMesh * topSM = 0;
1907 if ( hasNotQuad ) // can chose a bottom FACE
1909 if ( nbNotQuadMeshed > 0 ) botSM = notQuadElemSubMesh.front();
1910 else botSM = notQuadGeomSubMesh.front();
1911 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.back();
1912 else if ( nbNotQuad > 1 ) topSM = notQuadGeomSubMesh.back();
1914 if ( topSM == botSM ) {
1915 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.front();
1916 else topSM = notQuadGeomSubMesh.front();
1919 // detect mesh triangles on wall FACEs
1920 if ( nbNotQuad == 2 && nbNotQuadMeshed > 0 ) {
1922 if ( nbNotQuadMeshed == 1 )
1923 ok = ( find( notQuadGeomSubMesh.begin(),
1924 notQuadGeomSubMesh.end(), botSM ) != notQuadGeomSubMesh.end() );
1926 ok = ( notQuadGeomSubMesh == notQuadElemSubMesh );
1928 return toSM( error(COMPERR_BAD_INPUT_MESH,
1929 "Side face meshed with not quadrangle elements"));
1933 thePrism.myNotQuadOnTop = ( nbNotQuadMeshed > 1 );
1935 // use thePrism.myBottom
1936 if ( !thePrism.myBottom.IsNull() )
1939 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom )) {
1940 std::swap( botSM, topSM );
1941 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom ))
1942 return toSM( error( COMPERR_BAD_INPUT_MESH,
1943 "Incompatible non-structured sub-meshes"));
1947 botSM = myHelper->GetMesh()->GetSubMesh( thePrism.myBottom );
1950 else if ( !botSM ) // find a proper bottom
1952 // composite walls or not prism shape
1953 for ( TopExp_Explorer f( shape3D, TopAbs_FACE ); f.More(); f.Next() )
1955 int minNbFaces = 2 + myHelper->Count( f.Current(), TopAbs_EDGE, false);
1956 if ( nbFaces >= minNbFaces)
1959 thePrism.myBottom = TopoDS::Face( f.Current() );
1960 if ( initPrism( thePrism, shape3D ))
1963 return toSM( error( COMPERR_BAD_SHAPE ));
1967 // find vertex 000 - the one with smallest coordinates (for easy DEBUG :-)
1969 double minVal = DBL_MAX, minX, val;
1970 for ( TopExp_Explorer exp( botSM->GetSubShape(), TopAbs_VERTEX );
1971 exp.More(); exp.Next() )
1973 const TopoDS_Vertex& v = TopoDS::Vertex( exp.Current() );
1974 gp_Pnt P = BRep_Tool::Pnt( v );
1975 val = P.X() + P.Y() + P.Z();
1976 if ( val < minVal || ( val == minVal && P.X() < minX )) {
1983 thePrism.myShape3D = shape3D;
1984 if ( thePrism.myBottom.IsNull() )
1985 thePrism.myBottom = TopoDS::Face( botSM->GetSubShape() );
1986 thePrism.myBottom.Orientation( myHelper->GetSubShapeOri( shape3D,
1987 thePrism.myBottom ));
1988 // Get ordered bottom edges
1989 TopoDS_Face reverseBottom = // to have order of top EDGEs as in the top FACE
1990 TopoDS::Face( thePrism.myBottom.Reversed() );
1991 SMESH_Block::GetOrderedEdges( reverseBottom,
1992 thePrism.myBottomEdges,
1993 thePrism.myNbEdgesInWires, V000 );
1995 // Get Wall faces corresponding to the ordered bottom edges and the top FACE
1996 if ( !getWallFaces( thePrism, nbFaces ))
1997 return false; //toSM( error(COMPERR_BAD_SHAPE, "Can't find side faces"));
2001 if ( !thePrism.myTop.IsSame( topSM->GetSubShape() ))
2003 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2004 "Non-quadrilateral faces are not opposite"));
2006 // check that the found top and bottom FACEs are opposite
2007 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
2008 for ( ; edge != thePrism.myBottomEdges.end(); ++edge )
2009 if ( myHelper->IsSubShape( *edge, thePrism.myTop ))
2011 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2012 "Non-quadrilateral faces are not opposite"));
2018 //================================================================================
2020 * \brief Initialization.
2021 * \param helper - helper loaded with mesh and 3D shape
2022 * \param thePrism - a prosm data
2023 * \retval bool - false if a mesh or a shape are KO
2025 //================================================================================
2027 bool StdMeshers_PrismAsBlock::Init(SMESH_MesherHelper* helper,
2028 const Prism_3D::TPrismTopo& thePrism)
2031 delete mySide; mySide = 0;
2033 vector< TSideFace* > sideFaces( NB_WALL_FACES, 0 );
2034 vector< pair< double, double> > params( NB_WALL_FACES );
2035 mySide = new TSideFace( sideFaces, params );
2038 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2040 SMESH_Block::init();
2041 myShapeIDMap.Clear();
2042 myShapeIndex2ColumnMap.clear();
2044 int wallFaceIds[ NB_WALL_FACES ] = { // to walk around a block
2045 SMESH_Block::ID_Fx0z, SMESH_Block::ID_F1yz,
2046 SMESH_Block::ID_Fx1z, SMESH_Block::ID_F0yz
2049 myError = SMESH_ComputeError::New();
2051 myNotQuadOnTop = thePrism.myNotQuadOnTop;
2053 // Find columns of wall nodes and calculate edges' lengths
2054 // --------------------------------------------------------
2056 myParam2ColumnMaps.clear();
2057 myParam2ColumnMaps.resize( thePrism.myBottomEdges.size() ); // total nb edges
2059 size_t iE, nbEdges = thePrism.myNbEdgesInWires.front(); // nb outer edges
2060 vector< double > edgeLength( nbEdges );
2061 multimap< double, int > len2edgeMap;
2063 list< TopoDS_Edge >::const_iterator edgeIt = thePrism.myBottomEdges.begin();
2064 for ( iE = 0; iE < nbEdges; ++iE, ++edgeIt )
2066 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2068 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2069 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2071 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2072 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2073 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2074 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2076 SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2077 SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2078 SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2080 edgeLength[ iE ] = SMESH_Algo::EdgeLength( *edgeIt );
2082 if ( nbEdges < NB_WALL_FACES ) // fill map used to split faces
2084 SMESHDS_SubMesh* smDS = meshDS->MeshElements( *edgeIt);
2086 return error(COMPERR_BAD_INPUT_MESH, TCom("Null submesh on the edge #")
2087 << MeshDS()->ShapeToIndex( *edgeIt ));
2088 len2edgeMap.insert( make_pair( edgeLength[ iE ], iE ));
2091 // Load columns of internal edges (forming holes)
2092 // and fill map ShapeIndex to TParam2ColumnMap for them
2093 for ( ; edgeIt != thePrism.myBottomEdges.end() ; ++edgeIt, ++iE )
2095 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2097 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2098 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2100 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2101 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2102 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2103 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2106 int id = MeshDS()->ShapeToIndex( *edgeIt );
2107 bool isForward = true; // meaningless for intenal wires
2108 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2109 // columns for vertices
2111 const SMDS_MeshNode* n0 = faceColumns.begin()->second.front();
2112 id = n0->getshapeId();
2113 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2115 const SMDS_MeshNode* n1 = faceColumns.rbegin()->second.front();
2116 id = n1->getshapeId();
2117 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2119 // SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2120 // SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2121 // SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2124 // Create 4 wall faces of a block
2125 // -------------------------------
2127 if ( nbEdges <= NB_WALL_FACES ) // ************* Split faces if necessary
2129 map< int, int > iE2nbSplit;
2130 if ( nbEdges != NB_WALL_FACES ) // define how to split
2132 if ( len2edgeMap.size() != nbEdges )
2133 RETURN_BAD_RESULT("Uniqueness of edge lengths not assured");
2134 map< double, int >::reverse_iterator maxLen_i = len2edgeMap.rbegin();
2135 map< double, int >::reverse_iterator midLen_i = ++len2edgeMap.rbegin();
2136 double maxLen = maxLen_i->first;
2137 double midLen = ( len2edgeMap.size() == 1 ) ? 0 : midLen_i->first;
2138 switch ( nbEdges ) {
2139 case 1: // 0-th edge is split into 4 parts
2140 iE2nbSplit.insert( make_pair( 0, 4 )); break;
2141 case 2: // either the longest edge is split into 3 parts, or both edges into halves
2142 if ( maxLen / 3 > midLen / 2 ) {
2143 iE2nbSplit.insert( make_pair( maxLen_i->second, 3 ));
2146 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2147 iE2nbSplit.insert( make_pair( midLen_i->second, 2 ));
2151 // split longest into halves
2152 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2155 // Create TSideFace's
2157 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2158 for ( iE = 0; iE < nbEdges; ++iE, ++botE )
2160 TFaceQuadStructPtr quad = thePrism.myWallQuads[ iE ].front();
2162 map< int, int >::iterator i_nb = iE2nbSplit.find( iE );
2163 if ( i_nb != iE2nbSplit.end() ) {
2165 int nbSplit = i_nb->second;
2166 vector< double > params;
2167 splitParams( nbSplit, &myParam2ColumnMaps[ iE ], params );
2168 const bool isForward =
2169 StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2170 myParam2ColumnMaps[iE],
2171 *botE, SMESH_Block::ID_Fx0z );
2172 for ( int i = 0; i < nbSplit; ++i ) {
2173 double f = ( isForward ? params[ i ] : params[ nbSplit - i-1 ]);
2174 double l = ( isForward ? params[ i+1 ] : params[ nbSplit - i ]);
2175 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2176 thePrism.myWallQuads[ iE ], *botE,
2177 &myParam2ColumnMaps[ iE ], f, l );
2178 mySide->SetComponent( iSide++, comp );
2182 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2183 thePrism.myWallQuads[ iE ], *botE,
2184 &myParam2ColumnMaps[ iE ]);
2185 mySide->SetComponent( iSide++, comp );
2189 else { // **************************** Unite faces
2191 // unite first faces
2192 int nbExraFaces = nbEdges - 3;
2194 double u0 = 0, sumLen = 0;
2195 for ( iE = 0; iE < nbExraFaces; ++iE )
2196 sumLen += edgeLength[ iE ];
2198 vector< TSideFace* > components( nbExraFaces );
2199 vector< pair< double, double> > params( nbExraFaces );
2200 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2201 for ( iE = 0; iE < nbExraFaces; ++iE, ++botE )
2203 components[ iE ] = new TSideFace( myHelper, wallFaceIds[ iSide ],
2204 thePrism.myWallQuads[ iE ], *botE,
2205 &myParam2ColumnMaps[ iE ]);
2206 double u1 = u0 + edgeLength[ iE ] / sumLen;
2207 params[ iE ] = make_pair( u0 , u1 );
2210 mySide->SetComponent( iSide++, new TSideFace( components, params ));
2212 // fill the rest faces
2213 for ( ; iE < nbEdges; ++iE, ++botE )
2215 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2216 thePrism.myWallQuads[ iE ], *botE,
2217 &myParam2ColumnMaps[ iE ]);
2218 mySide->SetComponent( iSide++, comp );
2223 // Fill geometry fields of SMESH_Block
2224 // ------------------------------------
2226 vector< int > botEdgeIdVec;
2227 SMESH_Block::GetFaceEdgesIDs( ID_BOT_FACE, botEdgeIdVec );
2229 bool isForward[NB_WALL_FACES] = { true, true, true, true };
2230 Adaptor2d_Curve2d* botPcurves[NB_WALL_FACES];
2231 Adaptor2d_Curve2d* topPcurves[NB_WALL_FACES];
2233 for ( int iF = 0; iF < NB_WALL_FACES; ++iF )
2235 TSideFace * sideFace = mySide->GetComponent( iF );
2237 RETURN_BAD_RESULT("NULL TSideFace");
2238 int fID = sideFace->FaceID(); // in-block ID
2240 // fill myShapeIDMap
2241 if ( sideFace->InsertSubShapes( myShapeIDMap ) != 8 &&
2242 !sideFace->IsComplex())
2243 MESSAGE( ": Warning : InsertSubShapes() < 8 on side " << iF );
2245 // side faces geometry
2246 Adaptor2d_Curve2d* pcurves[NB_WALL_FACES];
2247 if ( !sideFace->GetPCurves( pcurves ))
2248 RETURN_BAD_RESULT("TSideFace::GetPCurves() failed");
2250 SMESH_Block::TFace& tFace = myFace[ fID - ID_FirstF ];
2251 tFace.Set( fID, sideFace->Surface(), pcurves, isForward );
2253 SHOWYXZ( endl<<"F "<< iF << " id " << fID << " FRW " << sideFace->IsForward(), sideFace->Value(0,0));
2254 // edges 3D geometry
2255 vector< int > edgeIdVec;
2256 SMESH_Block::GetFaceEdgesIDs( fID, edgeIdVec );
2257 for ( int isMax = 0; isMax < 2; ++isMax ) {
2259 int eID = edgeIdVec[ isMax ];
2260 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2261 tEdge.Set( eID, sideFace->HorizCurve(isMax), true);
2262 SHOWYXZ(eID<<" HOR"<<isMax<<"(0)", sideFace->HorizCurve(isMax)->Value(0));
2263 SHOWYXZ(eID<<" HOR"<<isMax<<"(1)", sideFace->HorizCurve(isMax)->Value(1));
2266 int eID = edgeIdVec[ isMax+2 ];
2267 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2268 tEdge.Set( eID, sideFace->VertiCurve(isMax), true);
2269 SHOWYXZ(eID<<" VER"<<isMax<<"(0)", sideFace->VertiCurve(isMax)->Value(0));
2270 SHOWYXZ(eID<<" VER"<<isMax<<"(1)", sideFace->VertiCurve(isMax)->Value(1));
2273 vector< int > vertexIdVec;
2274 SMESH_Block::GetEdgeVertexIDs( eID, vertexIdVec );
2275 myPnt[ vertexIdVec[0] - ID_FirstV ] = tEdge.GetCurve()->Value(0).XYZ();
2276 myPnt[ vertexIdVec[1] - ID_FirstV ] = tEdge.GetCurve()->Value(1).XYZ();
2279 // pcurves on horizontal faces
2280 for ( iE = 0; iE < NB_WALL_FACES; ++iE ) {
2281 if ( edgeIdVec[ BOTTOM_EDGE ] == botEdgeIdVec[ iE ] ) {
2282 botPcurves[ iE ] = sideFace->HorizPCurve( false, thePrism.myBottom );
2283 topPcurves[ iE ] = sideFace->HorizPCurve( true, thePrism.myTop );
2287 //sideFace->dumpNodes( 4 ); // debug
2289 // horizontal faces geometry
2291 SMESH_Block::TFace& tFace = myFace[ ID_BOT_FACE - ID_FirstF ];
2292 tFace.Set( ID_BOT_FACE, new BRepAdaptor_Surface( thePrism.myBottom ), botPcurves, isForward );
2293 SMESH_Block::Insert( thePrism.myBottom, ID_BOT_FACE, myShapeIDMap );
2296 SMESH_Block::TFace& tFace = myFace[ ID_TOP_FACE - ID_FirstF ];
2297 tFace.Set( ID_TOP_FACE, new BRepAdaptor_Surface( thePrism.myTop ), topPcurves, isForward );
2298 SMESH_Block::Insert( thePrism.myTop, ID_TOP_FACE, myShapeIDMap );
2301 // Fill map ShapeIndex to TParam2ColumnMap
2302 // ----------------------------------------
2304 list< TSideFace* > fList;
2305 list< TSideFace* >::iterator fListIt;
2306 fList.push_back( mySide );
2307 for ( fListIt = fList.begin(); fListIt != fList.end(); ++fListIt)
2309 int nb = (*fListIt)->NbComponents();
2310 for ( int i = 0; i < nb; ++i ) {
2311 if ( TSideFace* comp = (*fListIt)->GetComponent( i ))
2312 fList.push_back( comp );
2314 if ( TParam2ColumnMap* cols = (*fListIt)->GetColumns()) {
2315 // columns for a base edge
2316 int id = MeshDS()->ShapeToIndex( (*fListIt)->BaseEdge() );
2317 bool isForward = (*fListIt)->IsForward();
2318 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2320 // columns for vertices
2321 const SMDS_MeshNode* n0 = cols->begin()->second.front();
2322 id = n0->getshapeId();
2323 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2325 const SMDS_MeshNode* n1 = cols->rbegin()->second.front();
2326 id = n1->getshapeId();
2327 myShapeIndex2ColumnMap[ id ] = make_pair( cols, !isForward );
2331 // gp_XYZ testPar(0.25, 0.25, 0), testCoord;
2332 // if ( !FacePoint( ID_BOT_FACE, testPar, testCoord ))
2333 // RETURN_BAD_RESULT("TEST FacePoint() FAILED");
2334 // SHOWYXZ("IN TEST PARAM" , testPar);
2335 // SHOWYXZ("OUT TEST CORD" , testCoord);
2336 // if ( !ComputeParameters( testCoord, testPar , ID_BOT_FACE))
2337 // RETURN_BAD_RESULT("TEST ComputeParameters() FAILED");
2338 // SHOWYXZ("OUT TEST PARAM" , testPar);
2343 //================================================================================
2345 * \brief Return pointer to column of nodes
2346 * \param node - bottom node from which the returned column goes up
2347 * \retval const TNodeColumn* - the found column
2349 //================================================================================
2351 const TNodeColumn* StdMeshers_PrismAsBlock::GetNodeColumn(const SMDS_MeshNode* node) const
2353 int sID = node->getshapeId();
2355 map<int, pair< TParam2ColumnMap*, bool > >::const_iterator col_frw =
2356 myShapeIndex2ColumnMap.find( sID );
2357 if ( col_frw != myShapeIndex2ColumnMap.end() ) {
2358 const TParam2ColumnMap* cols = col_frw->second.first;
2359 TParam2ColumnIt u_col = cols->begin();
2360 for ( ; u_col != cols->end(); ++u_col )
2361 if ( u_col->second[ 0 ] == node )
2362 return & u_col->second;
2367 //=======================================================================
2368 //function : GetLayersTransformation
2369 //purpose : Return transformations to get coordinates of nodes of each layer
2370 // by nodes of the bottom. Layer is a set of nodes at a certain step
2371 // from bottom to top.
2372 //=======================================================================
2374 bool StdMeshers_PrismAsBlock::GetLayersTransformation(vector<gp_Trsf> & trsf) const
2376 const int zSize = VerticalSize();
2377 if ( zSize < 3 ) return true;
2378 trsf.resize( zSize - 2 );
2380 // Select some node columns by which we will define coordinate system of layers
2382 vector< const TNodeColumn* > columns;
2384 const TopoDS_Shape& baseFace = Shape(ID_BOT_FACE);
2385 list< TopoDS_Edge > orderedEdges;
2386 list< int > nbEdgesInWires;
2387 GetOrderedEdges( TopoDS::Face( baseFace ), orderedEdges, nbEdgesInWires );
2389 list< TopoDS_Edge >::iterator edgeIt = orderedEdges.begin();
2390 for ( int iE = 0; iE < nbEdgesInWires.front(); ++iE, ++edgeIt )
2392 if ( BRep_Tool::Degenerated( *edgeIt )) continue;
2393 const TParam2ColumnMap* u2colMap =
2394 GetParam2ColumnMap( MeshDS()->ShapeToIndex( *edgeIt ), isReverse );
2395 if ( !u2colMap ) return false;
2396 double f = u2colMap->begin()->first, l = u2colMap->rbegin()->first;
2397 //isReverse = ( edgeIt->Orientation() == TopAbs_REVERSED );
2398 //if ( isReverse ) swap ( f, l ); -- u2colMap takes orientation into account
2399 const int nbCol = 5;
2400 for ( int i = 0; i < nbCol; ++i )
2402 double u = f + i/double(nbCol) * ( l - f );
2403 const TNodeColumn* col = & getColumn( u2colMap, u )->second;
2404 if ( columns.empty() || col != columns.back() )
2405 columns.push_back( col );
2410 // Find tolerance to check transformations
2415 for ( int i = 0; i < columns.size(); ++i )
2416 bndBox.Add( gpXYZ( columns[i]->front() ));
2417 tol2 = bndBox.SquareExtent() * 1e-5;
2420 // Compute transformations
2423 gp_Trsf fromCsZ, toCs0;
2424 gp_Ax3 cs0 = getLayerCoordSys(0, columns, xCol );
2425 //double dist0 = cs0.Location().Distance( gpXYZ( (*columns[0])[0]));
2426 toCs0.SetTransformation( cs0 );
2427 for ( int z = 1; z < zSize-1; ++z )
2429 gp_Ax3 csZ = getLayerCoordSys(z, columns, xCol );
2430 //double distZ = csZ.Location().Distance( gpXYZ( (*columns[0])[z]));
2431 fromCsZ.SetTransformation( csZ );
2433 gp_Trsf& t = trsf[ z-1 ];
2434 t = fromCsZ * toCs0;
2435 //t.SetScaleFactor( distZ/dist0 ); - it does not work properly, wrong base point
2437 // check a transformation
2438 for ( int i = 0; i < columns.size(); ++i )
2440 gp_Pnt p0 = gpXYZ( (*columns[i])[0] );
2441 gp_Pnt pz = gpXYZ( (*columns[i])[z] );
2442 t.Transforms( p0.ChangeCoord() );
2443 if ( p0.SquareDistance( pz ) > tol2 )
2450 //================================================================================
2452 * \brief Check curve orientation of a bootom edge
2453 * \param meshDS - mesh DS
2454 * \param columnsMap - node columns map of side face
2455 * \param bottomEdge - the bootom edge
2456 * \param sideFaceID - side face in-block ID
2457 * \retval bool - true if orientation coinside with in-block forward orientation
2459 //================================================================================
2461 bool StdMeshers_PrismAsBlock::IsForwardEdge(SMESHDS_Mesh* meshDS,
2462 const TParam2ColumnMap& columnsMap,
2463 const TopoDS_Edge & bottomEdge,
2464 const int sideFaceID)
2466 bool isForward = false;
2467 if ( SMESH_MesherHelper::IsClosedEdge( bottomEdge ))
2469 isForward = ( bottomEdge.Orientation() == TopAbs_FORWARD );
2473 const TNodeColumn& firstCol = columnsMap.begin()->second;
2474 const SMDS_MeshNode* bottomNode = firstCol[0];
2475 TopoDS_Shape firstVertex = SMESH_MesherHelper::GetSubShapeByNode( bottomNode, meshDS );
2476 isForward = ( firstVertex.IsSame( TopExp::FirstVertex( bottomEdge, true )));
2478 // on 2 of 4 sides first vertex is end
2479 if ( sideFaceID == ID_Fx1z || sideFaceID == ID_F0yz )
2480 isForward = !isForward;
2484 //================================================================================
2486 * \brief Constructor
2487 * \param faceID - in-block ID
2488 * \param face - geom FACE
2489 * \param baseEdge - EDGE proreply oriented in the bottom EDGE !!!
2490 * \param columnsMap - map of node columns
2491 * \param first - first normalized param
2492 * \param last - last normalized param
2494 //================================================================================
2496 StdMeshers_PrismAsBlock::TSideFace::TSideFace(SMESH_MesherHelper* helper,
2498 const Prism_3D::TQuadList& quadList,
2499 const TopoDS_Edge& baseEdge,
2500 TParam2ColumnMap* columnsMap,
2504 myParamToColumnMap( columnsMap ),
2507 myParams.resize( 1 );
2508 myParams[ 0 ] = make_pair( first, last );
2509 mySurface = PSurface( new BRepAdaptor_Surface( quadList.front()->face ));
2510 myBaseEdge = baseEdge;
2511 myIsForward = StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2512 *myParamToColumnMap,
2514 if ( quadList.size() > 1 ) // side is vertically composite
2516 // fill myShapeID2Surf map to enable finding a right surface by any sub-shape ID
2518 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2520 TopTools_IndexedDataMapOfShapeListOfShape subToFaces;
2521 Prism_3D::TQuadList::const_iterator quad = quadList.begin();
2522 for ( ; quad != quadList.end(); ++quad )
2524 const TopoDS_Face& face = (*quad)->face;
2525 TopExp::MapShapesAndAncestors( face, TopAbs_VERTEX, TopAbs_FACE, subToFaces );
2526 TopExp::MapShapesAndAncestors( face, TopAbs_EDGE, TopAbs_FACE, subToFaces );
2527 myShapeID2Surf.insert( make_pair( meshDS->ShapeToIndex( face ),
2528 PSurface( new BRepAdaptor_Surface( face ))));
2530 for ( int i = 1; i <= subToFaces.Extent(); ++i )
2532 const TopoDS_Shape& sub = subToFaces.FindKey( i );
2533 TopTools_ListOfShape& faces = subToFaces( i );
2534 int subID = meshDS->ShapeToIndex( sub );
2535 int faceID = meshDS->ShapeToIndex( faces.First() );
2536 myShapeID2Surf.insert ( make_pair( subID, myShapeID2Surf[ faceID ]));
2541 //================================================================================
2543 * \brief Constructor of complex side face
2545 //================================================================================
2547 StdMeshers_PrismAsBlock::TSideFace::
2548 TSideFace(const vector< TSideFace* >& components,
2549 const vector< pair< double, double> > & params)
2550 :myID( components[0] ? components[0]->myID : 0 ),
2551 myParamToColumnMap( 0 ),
2553 myIsForward( true ),
2554 myComponents( components ),
2555 myHelper( components[0] ? components[0]->myHelper : 0 )
2557 //================================================================================
2559 * \brief Copy constructor
2560 * \param other - other side
2562 //================================================================================
2564 StdMeshers_PrismAsBlock::TSideFace::TSideFace( const TSideFace& other )
2567 mySurface = other.mySurface;
2568 myBaseEdge = other.myBaseEdge;
2569 myParams = other.myParams;
2570 myIsForward = other.myIsForward;
2571 myHelper = other.myHelper;
2572 myParamToColumnMap = other.myParamToColumnMap;
2574 myComponents.resize( other.myComponents.size());
2575 for (int i = 0 ; i < myComponents.size(); ++i )
2576 myComponents[ i ] = new TSideFace( *other.myComponents[ i ]);
2579 //================================================================================
2581 * \brief Deletes myComponents
2583 //================================================================================
2585 StdMeshers_PrismAsBlock::TSideFace::~TSideFace()
2587 for (int i = 0 ; i < myComponents.size(); ++i )
2588 if ( myComponents[ i ] )
2589 delete myComponents[ i ];
2592 //================================================================================
2594 * \brief Return geometry of the vertical curve
2595 * \param isMax - true means curve located closer to (1,1,1) block point
2596 * \retval Adaptor3d_Curve* - curve adaptor
2598 //================================================================================
2600 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::VertiCurve(const bool isMax) const
2602 if ( !myComponents.empty() ) {
2604 return myComponents.back()->VertiCurve(isMax);
2606 return myComponents.front()->VertiCurve(isMax);
2608 double f = myParams[0].first, l = myParams[0].second;
2609 if ( !myIsForward ) std::swap( f, l );
2610 return new TVerticalEdgeAdaptor( myParamToColumnMap, isMax ? l : f );
2613 //================================================================================
2615 * \brief Return geometry of the top or bottom curve
2617 * \retval Adaptor3d_Curve* -
2619 //================================================================================
2621 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::HorizCurve(const bool isTop) const
2623 return new THorizontalEdgeAdaptor( this, isTop );
2626 //================================================================================
2628 * \brief Return pcurves
2629 * \param pcurv - array of 4 pcurves
2630 * \retval bool - is a success
2632 //================================================================================
2634 bool StdMeshers_PrismAsBlock::TSideFace::GetPCurves(Adaptor2d_Curve2d* pcurv[4]) const
2636 int iEdge[ 4 ] = { BOTTOM_EDGE, TOP_EDGE, V0_EDGE, V1_EDGE };
2638 for ( int i = 0 ; i < 4 ; ++i ) {
2639 Handle(Geom2d_Line) line;
2640 switch ( iEdge[ i ] ) {
2642 line = new Geom2d_Line( gp_Pnt2d( 0, 1 ), gp::DX2d() ); break;
2644 line = new Geom2d_Line( gp::Origin2d(), gp::DX2d() ); break;
2646 line = new Geom2d_Line( gp::Origin2d(), gp::DY2d() ); break;
2648 line = new Geom2d_Line( gp_Pnt2d( 1, 0 ), gp::DY2d() ); break;
2650 pcurv[ i ] = new Geom2dAdaptor_Curve( line, 0, 1 );
2655 //================================================================================
2657 * \brief Returns geometry of pcurve on a horizontal face
2658 * \param isTop - is top or bottom face
2659 * \param horFace - a horizontal face
2660 * \retval Adaptor2d_Curve2d* - curve adaptor
2662 //================================================================================
2665 StdMeshers_PrismAsBlock::TSideFace::HorizPCurve(const bool isTop,
2666 const TopoDS_Face& horFace) const
2668 return new TPCurveOnHorFaceAdaptor( this, isTop, horFace );
2671 //================================================================================
2673 * \brief Return a component corresponding to parameter
2674 * \param U - parameter along a horizontal size
2675 * \param localU - parameter along a horizontal size of a component
2676 * \retval TSideFace* - found component
2678 //================================================================================
2680 StdMeshers_PrismAsBlock::TSideFace*
2681 StdMeshers_PrismAsBlock::TSideFace::GetComponent(const double U,double & localU) const
2684 if ( myComponents.empty() )
2685 return const_cast<TSideFace*>( this );
2688 for ( i = 0; i < myComponents.size(); ++i )
2689 if ( U < myParams[ i ].second )
2691 if ( i >= myComponents.size() )
2692 i = myComponents.size() - 1;
2694 double f = myParams[ i ].first, l = myParams[ i ].second;
2695 localU = ( U - f ) / ( l - f );
2696 return myComponents[ i ];
2699 //================================================================================
2701 * \brief Find node columns for a parameter
2702 * \param U - parameter along a horizontal edge
2703 * \param col1 - the 1st found column
2704 * \param col2 - the 2nd found column
2705 * \retval r - normalized position of U between the found columns
2707 //================================================================================
2709 double StdMeshers_PrismAsBlock::TSideFace::GetColumns(const double U,
2710 TParam2ColumnIt & col1,
2711 TParam2ColumnIt & col2) const
2713 double u = U, r = 0;
2714 if ( !myComponents.empty() ) {
2715 TSideFace * comp = GetComponent(U,u);
2716 return comp->GetColumns( u, col1, col2 );
2721 double f = myParams[0].first, l = myParams[0].second;
2722 u = f + u * ( l - f );
2724 col1 = col2 = getColumn( myParamToColumnMap, u );
2725 if ( ++col2 == myParamToColumnMap->end() ) {
2730 double uf = col1->first;
2731 double ul = col2->first;
2732 r = ( u - uf ) / ( ul - uf );
2737 //================================================================================
2739 * \brief Return coordinates by normalized params
2740 * \param U - horizontal param
2741 * \param V - vertical param
2742 * \retval gp_Pnt - result point
2744 //================================================================================
2746 gp_Pnt StdMeshers_PrismAsBlock::TSideFace::Value(const Standard_Real U,
2747 const Standard_Real V) const
2749 if ( !myComponents.empty() ) {
2751 TSideFace * comp = GetComponent(U,u);
2752 return comp->Value( u, V );
2755 TParam2ColumnIt u_col1, u_col2;
2756 double vR, hR = GetColumns( U, u_col1, u_col2 );
2758 const SMDS_MeshNode* nn[4];
2760 // BEGIN issue 0020680: Bad cell created by Radial prism in center of torus
2761 // Workaround for a wrongly located point returned by mySurface.Value() for
2762 // UV located near boundary of BSpline surface.
2763 // To bypass the problem, we take point from 3D curve of EDGE.
2764 // It solves pb of the bloc_fiss_new.py
2765 const double tol = 1e-3;
2766 if ( V < tol || V+tol >= 1. )
2768 nn[0] = V < tol ? u_col1->second.front() : u_col1->second.back();
2769 nn[2] = V < tol ? u_col2->second.front() : u_col2->second.back();
2777 TopoDS_Shape s = myHelper->GetSubShapeByNode( nn[0], myHelper->GetMeshDS() );
2778 if ( s.ShapeType() != TopAbs_EDGE )
2779 s = myHelper->GetSubShapeByNode( nn[2], myHelper->GetMeshDS() );
2780 if ( s.ShapeType() == TopAbs_EDGE )
2781 edge = TopoDS::Edge( s );
2783 if ( !edge.IsNull() )
2785 double u1 = myHelper->GetNodeU( edge, nn[0] );
2786 double u3 = myHelper->GetNodeU( edge, nn[2] );
2787 double u = u1 * ( 1 - hR ) + u3 * hR;
2788 TopLoc_Location loc; double f,l;
2789 Handle(Geom_Curve) curve = BRep_Tool::Curve( edge,loc,f,l );
2790 return curve->Value( u ).Transformed( loc );
2793 // END issue 0020680: Bad cell created by Radial prism in center of torus
2795 vR = getRAndNodes( & u_col1->second, V, nn[0], nn[1] );
2796 vR = getRAndNodes( & u_col2->second, V, nn[2], nn[3] );
2798 if ( !myShapeID2Surf.empty() ) // side is vertically composite
2800 // find a FACE on which the 4 nodes lie
2801 TSideFace* me = (TSideFace*) this;
2802 int notFaceID1 = 0, notFaceID2 = 0;
2803 for ( int i = 0; i < 4; ++i )
2804 if ( nn[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) // node on FACE
2806 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2810 else if ( notFaceID1 == 0 ) // node on EDGE or VERTEX
2812 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2813 notFaceID1 = nn[i]->getshapeId();
2815 else if ( notFaceID1 != nn[i]->getshapeId() ) // node on other EDGE or VERTEX
2817 if ( mySurface != me->myShapeID2Surf[ nn[i]->getshapeId() ])
2818 notFaceID2 = nn[i]->getshapeId();
2820 if ( notFaceID2 ) // no nodes of FACE and nodes are on different FACEs
2822 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2823 TopoDS_Shape face = myHelper->GetCommonAncestor( meshDS->IndexToShape( notFaceID1 ),
2824 meshDS->IndexToShape( notFaceID2 ),
2825 *myHelper->GetMesh(),
2827 if ( face.IsNull() )
2828 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() face.IsNull()");
2829 int faceID = meshDS->ShapeToIndex( face );
2830 me->mySurface = me->myShapeID2Surf[ faceID ];
2832 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() !mySurface");
2836 gp_XY uv1 = myHelper->GetNodeUV( mySurface->Face(), nn[0], nn[2]);
2837 gp_XY uv2 = myHelper->GetNodeUV( mySurface->Face(), nn[1], nn[3]);
2838 gp_XY uv12 = uv1 * ( 1 - vR ) + uv2 * vR;
2840 gp_XY uv3 = myHelper->GetNodeUV( mySurface->Face(), nn[2], nn[0]);
2841 gp_XY uv4 = myHelper->GetNodeUV( mySurface->Face(), nn[3], nn[1]);
2842 gp_XY uv34 = uv3 * ( 1 - vR ) + uv4 * vR;
2844 gp_XY uv = uv12 * ( 1 - hR ) + uv34 * hR;
2846 gp_Pnt p = mySurface->Value( uv.X(), uv.Y() );
2851 //================================================================================
2853 * \brief Return boundary edge
2854 * \param edge - edge index
2855 * \retval TopoDS_Edge - found edge
2857 //================================================================================
2859 TopoDS_Edge StdMeshers_PrismAsBlock::TSideFace::GetEdge(const int iEdge) const
2861 if ( !myComponents.empty() ) {
2863 case V0_EDGE : return myComponents.front()->GetEdge( iEdge );
2864 case V1_EDGE : return myComponents.back() ->GetEdge( iEdge );
2865 default: return TopoDS_Edge();
2869 const SMDS_MeshNode* node = 0;
2870 SMESHDS_Mesh * meshDS = myHelper->GetMesh()->GetMeshDS();
2871 TNodeColumn* column;
2876 column = & (( ++myParamToColumnMap->begin())->second );
2877 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2878 edge = myHelper->GetSubShapeByNode ( node, meshDS );
2879 if ( edge.ShapeType() == TopAbs_VERTEX ) {
2880 column = & ( myParamToColumnMap->begin()->second );
2881 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2886 bool back = ( iEdge == V1_EDGE );
2887 if ( !myIsForward ) back = !back;
2889 column = & ( myParamToColumnMap->rbegin()->second );
2891 column = & ( myParamToColumnMap->begin()->second );
2892 if ( column->size() > 0 )
2893 edge = myHelper->GetSubShapeByNode( (*column)[ 1 ], meshDS );
2894 if ( edge.IsNull() || edge.ShapeType() == TopAbs_VERTEX )
2895 node = column->front();
2900 if ( !edge.IsNull() && edge.ShapeType() == TopAbs_EDGE )
2901 return TopoDS::Edge( edge );
2903 // find edge by 2 vertices
2904 TopoDS_Shape V1 = edge;
2905 TopoDS_Shape V2 = myHelper->GetSubShapeByNode( node, meshDS );
2906 if ( !V2.IsNull() && V2.ShapeType() == TopAbs_VERTEX && !V2.IsSame( V1 ))
2908 TopoDS_Shape ancestor = myHelper->GetCommonAncestor( V1, V2, *myHelper->GetMesh(), TopAbs_EDGE);
2909 if ( !ancestor.IsNull() )
2910 return TopoDS::Edge( ancestor );
2912 return TopoDS_Edge();
2915 //================================================================================
2917 * \brief Fill block sub-shapes
2918 * \param shapeMap - map to fill in
2919 * \retval int - nb inserted sub-shapes
2921 //================================================================================
2923 int StdMeshers_PrismAsBlock::TSideFace::InsertSubShapes(TBlockShapes& shapeMap) const
2928 vector< int > edgeIdVec;
2929 SMESH_Block::GetFaceEdgesIDs( myID, edgeIdVec );
2931 for ( int i = BOTTOM_EDGE; i <=V1_EDGE ; ++i ) {
2932 TopoDS_Edge e = GetEdge( i );
2933 if ( !e.IsNull() ) {
2934 nbInserted += SMESH_Block::Insert( e, edgeIdVec[ i ], shapeMap);
2938 // Insert corner vertices
2940 TParam2ColumnIt col1, col2 ;
2941 vector< int > vertIdVec;
2944 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V0_EDGE ], vertIdVec);
2945 GetColumns(0, col1, col2 );
2946 const SMDS_MeshNode* node0 = col1->second.front();
2947 const SMDS_MeshNode* node1 = col1->second.back();
2948 TopoDS_Shape v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2949 TopoDS_Shape v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2950 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2951 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2953 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2954 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2958 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V1_EDGE ], vertIdVec);
2959 GetColumns(1, col1, col2 );
2960 node0 = col2->second.front();
2961 node1 = col2->second.back();
2962 v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2963 v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2964 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2965 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2967 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2968 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2971 // TopoDS_Vertex V0, V1, Vcom;
2972 // TopExp::Vertices( myBaseEdge, V0, V1, true );
2973 // if ( !myIsForward ) std::swap( V0, V1 );
2975 // // bottom vertex IDs
2976 // SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ _u0 ], vertIdVec);
2977 // SMESH_Block::Insert( V0, vertIdVec[ 0 ], shapeMap);
2978 // SMESH_Block::Insert( V1, vertIdVec[ 1 ], shapeMap);
2980 // TopoDS_Edge sideEdge = GetEdge( V0_EDGE );
2981 // if ( sideEdge.IsNull() || !TopExp::CommonVertex( botEdge, sideEdge, Vcom ))
2984 // // insert one side edge
2986 // if ( Vcom.IsSame( V0 )) edgeID = edgeIdVec[ _v0 ];
2987 // else edgeID = edgeIdVec[ _v1 ];
2988 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
2990 // // top vertex of the side edge
2991 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec);
2992 // TopoDS_Vertex Vtop = TopExp::FirstVertex( sideEdge );
2993 // if ( Vcom.IsSame( Vtop ))
2994 // Vtop = TopExp::LastVertex( sideEdge );
2995 // SMESH_Block::Insert( Vtop, vertIdVec[ 1 ], shapeMap);
2997 // // other side edge
2998 // sideEdge = GetEdge( V1_EDGE );
2999 // if ( sideEdge.IsNull() )
3001 // if ( edgeID = edgeIdVec[ _v1 ]) edgeID = edgeIdVec[ _v0 ];
3002 // else edgeID = edgeIdVec[ _v1 ];
3003 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
3006 // TopoDS_Edge topEdge = GetEdge( TOP_EDGE );
3007 // SMESH_Block::Insert( topEdge, edgeIdVec[ _u1 ], shapeMap);
3009 // // top vertex of the other side edge
3010 // if ( !TopExp::CommonVertex( topEdge, sideEdge, Vcom ))
3012 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec );
3013 // SMESH_Block::Insert( Vcom, vertIdVec[ 1 ], shapeMap);
3018 //================================================================================
3020 * \brief Dump ids of nodes of sides
3022 //================================================================================
3024 void StdMeshers_PrismAsBlock::TSideFace::dumpNodes(int nbNodes) const
3027 cout << endl << "NODES OF FACE "; SMESH_Block::DumpShapeID( myID, cout ) << endl;
3028 THorizontalEdgeAdaptor* hSize0 = (THorizontalEdgeAdaptor*) HorizCurve(0);
3029 cout << "Horiz side 0: "; hSize0->dumpNodes(nbNodes); cout << endl;
3030 THorizontalEdgeAdaptor* hSize1 = (THorizontalEdgeAdaptor*) HorizCurve(1);
3031 cout << "Horiz side 1: "; hSize1->dumpNodes(nbNodes); cout << endl;
3032 TVerticalEdgeAdaptor* vSide0 = (TVerticalEdgeAdaptor*) VertiCurve(0);
3033 cout << "Verti side 0: "; vSide0->dumpNodes(nbNodes); cout << endl;
3034 TVerticalEdgeAdaptor* vSide1 = (TVerticalEdgeAdaptor*) VertiCurve(1);
3035 cout << "Verti side 1: "; vSide1->dumpNodes(nbNodes); cout << endl;
3036 delete hSize0; delete hSize1; delete vSide0; delete vSide1;
3040 //================================================================================
3042 * \brief Creates TVerticalEdgeAdaptor
3043 * \param columnsMap - node column map
3044 * \param parameter - normalized parameter
3046 //================================================================================
3048 StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::
3049 TVerticalEdgeAdaptor( const TParam2ColumnMap* columnsMap, const double parameter)
3051 myNodeColumn = & getColumn( columnsMap, parameter )->second;
3054 //================================================================================
3056 * \brief Return coordinates for the given normalized parameter
3057 * \param U - normalized parameter
3058 * \retval gp_Pnt - coordinates
3060 //================================================================================
3062 gp_Pnt StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::Value(const Standard_Real U) const
3064 const SMDS_MeshNode* n1;
3065 const SMDS_MeshNode* n2;
3066 double r = getRAndNodes( myNodeColumn, U, n1, n2 );
3067 return gpXYZ(n1) * ( 1 - r ) + gpXYZ(n2) * r;
3070 //================================================================================
3072 * \brief Dump ids of nodes
3074 //================================================================================
3076 void StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::dumpNodes(int nbNodes) const
3079 for ( int i = 0; i < nbNodes && i < myNodeColumn->size(); ++i )
3080 cout << (*myNodeColumn)[i]->GetID() << " ";
3081 if ( nbNodes < myNodeColumn->size() )
3082 cout << myNodeColumn->back()->GetID();
3086 //================================================================================
3088 * \brief Return coordinates for the given normalized parameter
3089 * \param U - normalized parameter
3090 * \retval gp_Pnt - coordinates
3092 //================================================================================
3094 gp_Pnt StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::Value(const Standard_Real U) const
3096 return mySide->TSideFace::Value( U, myV );
3099 //================================================================================
3101 * \brief Dump ids of <nbNodes> first nodes and the last one
3103 //================================================================================
3105 void StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::dumpNodes(int nbNodes) const
3108 // Not bedugged code. Last node is sometimes incorrect
3109 const TSideFace* side = mySide;
3111 if ( mySide->IsComplex() )
3112 side = mySide->GetComponent(0,u);
3114 TParam2ColumnIt col, col2;
3115 TParam2ColumnMap* u2cols = side->GetColumns();
3116 side->GetColumns( u , col, col2 );
3118 int j, i = myV ? mySide->ColumnHeight()-1 : 0;
3120 const SMDS_MeshNode* n = 0;
3121 const SMDS_MeshNode* lastN
3122 = side->IsForward() ? u2cols->rbegin()->second[ i ] : u2cols->begin()->second[ i ];
3123 for ( j = 0; j < nbNodes && n != lastN; ++j )
3125 n = col->second[ i ];
3126 cout << n->GetID() << " ";
3127 if ( side->IsForward() )
3135 if ( mySide->IsComplex() )
3136 side = mySide->GetComponent(1,u);
3138 side->GetColumns( u , col, col2 );
3139 if ( n != col->second[ i ] )
3140 cout << col->second[ i ]->GetID();
3143 //================================================================================
3145 * \brief Return UV on pcurve for the given normalized parameter
3146 * \param U - normalized parameter
3147 * \retval gp_Pnt - coordinates
3149 //================================================================================
3151 gp_Pnt2d StdMeshers_PrismAsBlock::TPCurveOnHorFaceAdaptor::Value(const Standard_Real U) const
3153 TParam2ColumnIt u_col1, u_col2;
3154 double r = mySide->GetColumns( U, u_col1, u_col2 );
3155 gp_XY uv1 = mySide->GetNodeUV( myFace, u_col1->second[ myZ ]);
3156 gp_XY uv2 = mySide->GetNodeUV( myFace, u_col2->second[ myZ ]);
3157 return uv1 * ( 1 - r ) + uv2 * r;