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 namespace TAssocTool = StdMeshers_ProjectionUtils;
74 typedef SMESH_Comment TCom;
76 enum { ID_BOT_FACE = SMESH_Block::ID_Fxy0,
77 ID_TOP_FACE = SMESH_Block::ID_Fxy1,
78 BOTTOM_EDGE = 0, TOP_EDGE, V0_EDGE, V1_EDGE, // edge IDs in face
79 NB_WALL_FACES = 4 }; //
83 //=======================================================================
85 * \brief Quadrangle algorithm
87 struct TQuadrangleAlgo : public StdMeshers_Quadrangle_2D
89 TQuadrangleAlgo(int studyId, SMESH_Gen* gen)
90 : StdMeshers_Quadrangle_2D( gen->GetANewId(), studyId, gen)
93 static StdMeshers_Quadrangle_2D* instance( SMESH_Algo* fatherAlgo,
94 SMESH_MesherHelper* helper=0)
96 static TQuadrangleAlgo* algo = new TQuadrangleAlgo( fatherAlgo->GetStudyId(),
97 fatherAlgo->GetGen() );
100 algo->myProxyMesh->GetMesh() != helper->GetMesh() )
101 algo->myProxyMesh.reset( new SMESH_ProxyMesh( *helper->GetMesh() ));
103 algo->myQuadStruct.reset();
106 algo->_quadraticMesh = helper->GetIsQuadratic();
111 //=======================================================================
113 * \brief Algorithm projecting 1D mesh
115 struct TProjction1dAlgo : public StdMeshers_Projection_1D
117 StdMeshers_ProjectionSource1D myHyp;
119 TProjction1dAlgo(int studyId, SMESH_Gen* gen)
120 : StdMeshers_Projection_1D( gen->GetANewId(), studyId, gen),
121 myHyp( gen->GetANewId(), studyId, gen)
123 StdMeshers_Projection_1D::_sourceHypo = & myHyp;
125 static TProjction1dAlgo* instance( SMESH_Algo* fatherAlgo )
127 static TProjction1dAlgo* algo = new TProjction1dAlgo( fatherAlgo->GetStudyId(),
128 fatherAlgo->GetGen() );
132 //=======================================================================
134 * \brief Algorithm projecting 2D mesh
136 struct TProjction2dAlgo : public StdMeshers_Projection_1D2D
138 StdMeshers_ProjectionSource2D myHyp;
140 TProjction2dAlgo(int studyId, SMESH_Gen* gen)
141 : StdMeshers_Projection_1D2D( gen->GetANewId(), studyId, gen),
142 myHyp( gen->GetANewId(), studyId, gen)
144 StdMeshers_Projection_2D::_sourceHypo = & myHyp;
146 static TProjction2dAlgo* instance( SMESH_Algo* fatherAlgo )
148 static TProjction2dAlgo* algo = new TProjction2dAlgo( fatherAlgo->GetStudyId(),
149 fatherAlgo->GetGen() );
154 //================================================================================
156 * \brief Make \a botE be the BOTTOM_SIDE of \a quad.
157 * Return false if the BOTTOM_SIDE is composite
159 //================================================================================
161 bool setBottomEdge( const TopoDS_Edge& botE,
162 faceQuadStruct::Ptr& quad,
163 const TopoDS_Shape& face)
165 quad->side[ QUAD_TOP_SIDE ]->Reverse();
166 quad->side[ QUAD_LEFT_SIDE ]->Reverse();
168 for ( size_t i = 0; i < quad->side.size(); ++i )
170 StdMeshers_FaceSide* quadSide = quad->side[i];
171 for ( int iE = 0; iE < quadSide->NbEdges(); ++iE )
172 if ( botE.IsSame( quadSide->Edge( iE )))
174 if ( quadSide->NbEdges() > 1 )
177 i = quad->side.size(); // to quit from the outer loop
181 if ( edgeIndex != QUAD_BOTTOM_SIDE )
182 quad->shift( quad->side.size() - edgeIndex, /*keepUnitOri=*/false );
184 quad->face = TopoDS::Face( face );
189 //================================================================================
191 * \brief Return iterator pointing to node column for the given parameter
192 * \param columnsMap - node column map
193 * \param parameter - parameter
194 * \retval TParam2ColumnMap::iterator - result
196 * it returns closest left column
198 //================================================================================
200 TParam2ColumnIt getColumn( const TParam2ColumnMap* columnsMap,
201 const double parameter )
203 TParam2ColumnIt u_col = columnsMap->upper_bound( parameter );
204 if ( u_col != columnsMap->begin() )
206 return u_col; // return left column
209 //================================================================================
211 * \brief Return nodes around given parameter and a ratio
212 * \param column - node column
213 * \param param - parameter
214 * \param node1 - lower node
215 * \param node2 - upper node
216 * \retval double - ratio
218 //================================================================================
220 double getRAndNodes( const TNodeColumn* column,
222 const SMDS_MeshNode* & node1,
223 const SMDS_MeshNode* & node2)
225 if ( param >= 1.0 || column->size() == 1) {
226 node1 = node2 = column->back();
230 int i = int( param * ( column->size() - 1 ));
231 double u0 = double( i )/ double( column->size() - 1 );
232 double r = ( param - u0 ) * ( column->size() - 1 );
234 node1 = (*column)[ i ];
235 node2 = (*column)[ i + 1];
239 //================================================================================
241 * \brief Compute boundary parameters of face parts
242 * \param nbParts - nb of parts to split columns into
243 * \param columnsMap - node columns of the face to split
244 * \param params - computed parameters
246 //================================================================================
248 void splitParams( const int nbParts,
249 const TParam2ColumnMap* columnsMap,
250 vector< double > & params)
253 params.reserve( nbParts + 1 );
254 TParam2ColumnIt last_par_col = --columnsMap->end();
255 double par = columnsMap->begin()->first; // 0.
256 double parLast = last_par_col->first;
257 params.push_back( par );
258 for ( int i = 0; i < nbParts - 1; ++ i )
260 double partSize = ( parLast - par ) / double ( nbParts - i );
261 TParam2ColumnIt par_col = getColumn( columnsMap, par + partSize );
262 if ( par_col->first == par ) {
264 if ( par_col == last_par_col ) {
265 while ( i < nbParts - 1 )
266 params.push_back( par + partSize * i++ );
270 par = par_col->first;
271 params.push_back( par );
273 params.push_back( parLast ); // 1.
276 //================================================================================
278 * \brief Return coordinate system for z-th layer of nodes
280 //================================================================================
282 gp_Ax2 getLayerCoordSys(const int z,
283 const vector< const TNodeColumn* >& columns,
286 // gravity center of a layer
289 for ( int i = 0; i < columns.size(); ++i )
291 O += gpXYZ( (*columns[ i ])[ z ]);
292 if ( vertexCol < 0 &&
293 columns[ i ]->front()->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
300 int iPrev = columns.size()-1;
301 for ( int i = 0; i < columns.size(); ++i )
303 gp_Vec v1( O, gpXYZ( (*columns[ iPrev ])[ z ]));
304 gp_Vec v2( O, gpXYZ( (*columns[ i ] )[ z ]));
309 if ( vertexCol >= 0 )
311 O = gpXYZ( (*columns[ vertexCol ])[ z ]);
313 if ( xColumn < 0 || xColumn >= columns.size() )
315 // select a column for X dir
317 for ( int i = 0; i < columns.size(); ++i )
319 double dist = ( O - gpXYZ((*columns[ i ])[ z ])).SquareModulus();
320 if ( dist > maxDist )
329 gp_Vec X( O, gpXYZ( (*columns[ xColumn ])[ z ]));
331 return gp_Ax2( O, Z, X);
334 //================================================================================
336 * \brief Removes submeshes that are or can be meshed with regular grid from given list
337 * \retval int - nb of removed submeshes
339 //================================================================================
341 int removeQuasiQuads(list< SMESH_subMesh* >& notQuadSubMesh,
342 SMESH_MesherHelper* helper,
343 StdMeshers_Quadrangle_2D* quadAlgo)
346 //SMESHDS_Mesh* mesh = notQuadSubMesh.front()->GetFather()->GetMeshDS();
347 list< SMESH_subMesh* >::iterator smIt = notQuadSubMesh.begin();
348 while ( smIt != notQuadSubMesh.end() )
350 SMESH_subMesh* faceSm = *smIt;
351 SMESHDS_SubMesh* faceSmDS = faceSm->GetSubMeshDS();
352 int nbQuads = faceSmDS ? faceSmDS->NbElements() : 0;
355 toRemove = helper->IsStructured( faceSm );
357 toRemove = quadAlgo->CheckNbEdges( *helper->GetMesh(),
358 faceSm->GetSubShape() );
359 nbRemoved += toRemove;
361 smIt = notQuadSubMesh.erase( smIt );
371 //=======================================================================
372 //function : StdMeshers_Prism_3D
374 //=======================================================================
376 StdMeshers_Prism_3D::StdMeshers_Prism_3D(int hypId, int studyId, SMESH_Gen* gen)
377 :SMESH_3D_Algo(hypId, studyId, gen)
380 _shapeType = (1 << TopAbs_SOLID); // 1 bit per shape type
381 _onlyUnaryInput = false; // accept all SOLIDs at once
382 _requireDiscreteBoundary = false; // mesh FACEs and EDGEs by myself
383 _supportSubmeshes = true; // "source" FACE must be meshed by other algo
384 _neededLowerHyps[ 1 ] = true; // suppress warning on hiding a global 1D algo
385 _neededLowerHyps[ 2 ] = true; // suppress warning on hiding a global 2D algo
387 //myProjectTriangles = false;
388 mySetErrorToSM = true; // to pass an error to a sub-mesh of a current solid or not
391 //================================================================================
395 //================================================================================
397 StdMeshers_Prism_3D::~StdMeshers_Prism_3D()
400 //=======================================================================
401 //function : CheckHypothesis
403 //=======================================================================
405 bool StdMeshers_Prism_3D::CheckHypothesis(SMESH_Mesh& aMesh,
406 const TopoDS_Shape& aShape,
407 SMESH_Hypothesis::Hypothesis_Status& aStatus)
409 // Check shape geometry
411 aStatus = SMESH_Hypothesis::HYP_BAD_GEOMETRY;
413 // find not quadrangle faces
414 list< TopoDS_Shape > notQuadFaces;
415 int nbEdge, nbWire, nbFace = 0;
416 TopExp_Explorer exp( aShape, TopAbs_FACE );
417 for ( ; exp.More(); exp.Next() ) {
419 const TopoDS_Shape& face = exp.Current();
420 nbEdge = TAssocTool::Count( face, TopAbs_EDGE, 0 );
421 nbWire = TAssocTool::Count( face, TopAbs_WIRE, 0 );
422 if ( nbEdge!= 4 || nbWire!= 1 ) {
423 if ( !notQuadFaces.empty() ) {
424 if ( TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 ) != nbEdge ||
425 TAssocTool::Count( notQuadFaces.back(), TopAbs_WIRE, 0 ) != nbWire )
426 RETURN_BAD_RESULT("Different not quad faces");
428 notQuadFaces.push_back( face );
431 if ( !notQuadFaces.empty() )
433 if ( notQuadFaces.size() != 2 )
434 RETURN_BAD_RESULT("Bad nb not quad faces: " << notQuadFaces.size());
436 // check total nb faces
437 nbEdge = TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 );
438 if ( nbFace != nbEdge + 2 )
439 RETURN_BAD_RESULT("Bad nb of faces: " << nbFace << " but must be " << nbEdge + 2);
443 aStatus = SMESH_Hypothesis::HYP_OK;
447 //=======================================================================
449 //purpose : Compute mesh on a COMPOUND of SOLIDs
450 //=======================================================================
452 bool StdMeshers_Prism_3D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape)
454 SMESH_MesherHelper helper( theMesh );
457 int nbSolids = helper.Count( theShape, TopAbs_SOLID, /*skipSame=*/false );
461 Prism_3D::TPrismTopo prism;
465 return ( initPrism( prism, TopExp_Explorer( theShape, TopAbs_SOLID ).Current() ) &&
469 TopTools_IndexedDataMapOfShapeListOfShape faceToSolids;
470 TopExp::MapShapesAndAncestors( theShape, TopAbs_FACE, TopAbs_SOLID, faceToSolids );
472 // look for meshed FACEs ("source" FACEs) that must be prism bottoms
473 list< TopoDS_Face > meshedFaces;//, notQuadMeshedFaces, notQuadFaces;
474 const bool meshHasQuads = ( theMesh.NbQuadrangles() > 0 );
475 for ( int iF = 1; iF < faceToSolids.Extent(); ++iF )
477 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
478 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
479 if ( !faceSM->IsEmpty() )
481 if ( !meshHasQuads ||
482 !helper.IsSameElemGeometry( faceSM->GetSubMeshDS(), SMDSGeom_QUADRANGLE ) ||
483 !helper.IsStructured( faceSM ))
484 // notQuadMeshedFaces are of higher priority
485 meshedFaces.push_front( face );
487 meshedFaces.push_back( face );
490 //meshedFaces.splice( meshedFaces.begin(), notQuadMeshedFaces );
492 // if ( meshedFaces.empty() )
493 // return error( COMPERR_BAD_INPUT_MESH, "No meshed source faces found" );
495 TopTools_MapOfShape meshedSolids;
496 list< Prism_3D::TPrismTopo > meshedPrism;
497 TopTools_ListIteratorOfListOfShape solidIt;
499 while ( meshedSolids.Extent() < nbSolids )
501 if ( _computeCanceled )
502 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
504 // compute prisms having avident computed source FACE
505 while ( !meshedFaces.empty() )
507 TopoDS_Face face = meshedFaces.front();
508 meshedFaces.pop_front();
509 TopTools_ListOfShape& solidList = faceToSolids.ChangeFromKey( face );
510 while ( !solidList.IsEmpty() )
512 TopoDS_Shape solid = solidList.First();
513 solidList.RemoveFirst();
514 if ( meshedSolids.Add( solid ))
517 prism.myBottom = face;
518 if ( !initPrism( prism, solid ) ||
522 meshedFaces.push_front( prism.myTop );
523 meshedPrism.push_back( prism );
527 if ( meshedSolids.Extent() == nbSolids )
530 // below in the loop we try to find source FACEs somehow
532 // project mesh from source FACEs of computed prisms to
533 // prisms sharing wall FACEs
534 list< Prism_3D::TPrismTopo >::iterator prismIt = meshedPrism.begin();
535 for ( ; prismIt != meshedPrism.end(); ++prismIt )
537 for ( size_t iW = 0; iW < prismIt->myWallQuads.size(); ++iW )
539 Prism_3D::TQuadList::iterator wQuad = prismIt->myWallQuads[iW].begin();
540 for ( ; wQuad != prismIt->myWallQuads[iW].end(); ++ wQuad )
542 const TopoDS_Face& wFace = (*wQuad)->face;
543 TopTools_ListOfShape& solidList = faceToSolids.ChangeFromKey( wFace );
544 solidIt.Initialize( solidList );
545 while ( solidIt.More() )
547 const TopoDS_Shape& solid = solidIt.Value();
548 if ( meshedSolids.Contains( solid )) {
549 solidList.Remove( solidIt );
550 continue; // already computed prism
552 // find a source FACE of the SOLID: it's a FACE sharing a bottom EDGE with wFace
553 const TopoDS_Edge& wEdge = (*wQuad)->side[ QUAD_TOP_SIDE ]->Edge(0);
554 PShapeIteratorPtr faceIt = myHelper->GetAncestors( wEdge, *myHelper->GetMesh(),
556 while ( const TopoDS_Shape* f = faceIt->next() )
558 const TopoDS_Face& candidateF = TopoDS::Face( *f );
560 prism.myBottom = candidateF;
561 mySetErrorToSM = false;
562 if ( !myHelper->IsSubShape( candidateF, prismIt->myShape3D ) &&
563 !myHelper->GetMesh()->GetSubMesh( candidateF )->IsMeshComputed() &&
564 initPrism( prism, solid ) &&
565 project2dMesh( prismIt->myBottom, candidateF))
567 mySetErrorToSM = true;
568 if ( !compute( prism ))
570 meshedFaces.push_front( prism.myTop );
571 meshedFaces.push_front( prism.myBottom );
572 meshedPrism.push_back( prism );
573 meshedSolids.Add( solid );
577 mySetErrorToSM = true;
579 if ( meshedSolids.Contains( solid ))
580 solidList.Remove( solidIt );
586 if ( !meshedFaces.empty() )
587 break; // to compute prisms with avident sources
590 // find FACEs with local 1D hyps, which has to be computed by now,
591 // or at least any computed FACEs
592 for ( int iF = 1; ( meshedFaces.empty() && iF < faceToSolids.Extent() ); ++iF )
594 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
595 const TopTools_ListOfShape& solidList = faceToSolids.FindFromKey( face );
596 if ( solidList.IsEmpty() ) continue;
597 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
598 if ( !faceSM->IsEmpty() )
600 meshedFaces.push_back( face ); // lower priority
604 bool allSubMeComputed = true;
605 SMESH_subMeshIteratorPtr smIt = faceSM->getDependsOnIterator(false,true);
606 while ( smIt->more() && allSubMeComputed )
607 allSubMeComputed = smIt->next()->IsMeshComputed();
608 if ( allSubMeComputed )
610 faceSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
611 if ( !faceSM->IsEmpty() )
612 meshedFaces.push_front( face ); // higher priority
614 faceSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
620 // TODO. there are other ways to find out the source FACE:
621 // propagation, topological similarity, ect.
624 if ( meshedFaces.empty() ) // set same error to 10 not-computed solids
626 SMESH_ComputeErrorPtr err = SMESH_ComputeError::New
627 ( COMPERR_BAD_INPUT_MESH, "No meshed source face found", this );
629 const int maxNbErrors = 10; // limit nb errors not to overload the Compute dialog
630 TopExp_Explorer solid( theShape, TopAbs_SOLID );
631 for ( int i = 0; ( i < maxNbErrors && solid.More() ); ++i, solid.Next() )
632 if ( !meshedSolids.Contains( solid.Current() ))
634 SMESH_subMesh* sm = theMesh.GetSubMesh( solid.Current() );
635 sm->GetComputeError() = err;
643 //================================================================================
645 * \brief Find wall faces by bottom edges
647 //================================================================================
649 bool StdMeshers_Prism_3D::getWallFaces( Prism_3D::TPrismTopo & thePrism,
650 const int totalNbFaces)
652 thePrism.myWallQuads.clear();
654 SMESH_Mesh* mesh = myHelper->GetMesh();
656 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, myHelper );
658 TopTools_MapOfShape faceMap;
659 TopTools_IndexedDataMapOfShapeListOfShape edgeToFaces;
660 TopExp::MapShapesAndAncestors( thePrism.myShape3D,
661 TopAbs_EDGE, TopAbs_FACE, edgeToFaces );
663 // ------------------------------
664 // Get the 1st row of wall FACEs
665 // ------------------------------
667 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
668 std::list< int >::iterator nbE = thePrism.myNbEdgesInWires.begin();
670 while ( edge != thePrism.myBottomEdges.end() )
673 if ( BRep_Tool::Degenerated( *edge ))
675 edge = thePrism.myBottomEdges.erase( edge );
681 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( *edge ));
682 for ( ; faceIt.More(); faceIt.Next() )
684 const TopoDS_Face& face = TopoDS::Face( faceIt.Value() );
685 if ( !thePrism.myBottom.IsSame( face ))
687 Prism_3D::TQuadList quadList( 1, quadAlgo->CheckNbEdges( *mesh, face ));
688 if ( !quadList.back() )
689 return toSM( error(TCom("Side face #") << shapeID( face )
690 << " not meshable with quadrangles"));
691 if ( ! setBottomEdge( *edge, quadList.back(), face ))
692 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
693 thePrism.myWallQuads.push_back( quadList );
707 // -------------------------
708 // Find the rest wall FACEs
709 // -------------------------
711 // Compose a vector of indixes of right neighbour FACE for each wall FACE
712 // that is not so evident in case of several WIREs
713 thePrism.myRightQuadIndex.clear();
714 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
715 thePrism.myRightQuadIndex.push_back( i+1 );
716 list< int >::iterator nbEinW = thePrism.myNbEdgesInWires.begin();
717 for ( int iLeft = 0; nbEinW != thePrism.myNbEdgesInWires.end(); ++nbEinW )
719 thePrism.myRightQuadIndex[ iLeft + *nbEinW - 1 ] = iLeft; // 1st EDGE index of a current WIRE
723 while ( totalNbFaces - faceMap.Extent() > 2 )
725 // find wall FACEs adjacent to each of wallQuads by the right side EDGE
728 nbKnownFaces = faceMap.Extent();
729 StdMeshers_FaceSide *rightSide, *topSide; // sides of the quad
730 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
732 rightSide = thePrism.myWallQuads[i].back()->side[ QUAD_RIGHT_SIDE ];
733 for ( int iE = 0; iE < rightSide->NbEdges(); ++iE ) // rightSide can be composite
735 const TopoDS_Edge & rightE = rightSide->Edge( iE );
736 TopTools_ListIteratorOfListOfShape face( edgeToFaces.FindFromKey( rightE ));
737 for ( ; face.More(); face.Next() )
738 if ( faceMap.Add( face.Value() ))
740 // a new wall FACE encountered, store it in thePrism.myWallQuads
741 const int iRight = thePrism.myRightQuadIndex[i];
742 topSide = thePrism.myWallQuads[ iRight ].back()->side[ QUAD_TOP_SIDE ];
743 const TopoDS_Edge& newBotE = topSide->Edge(0);
744 const TopoDS_Shape& newWallF = face.Value();
745 thePrism.myWallQuads[ iRight ].push_back( quadAlgo->CheckNbEdges( *mesh, newWallF ));
746 if ( !thePrism.myWallQuads[ iRight ].back() )
747 return toSM( error(TCom("Side face #") << shapeID( newWallF ) <<
748 " not meshable with quadrangles"));
749 if ( ! setBottomEdge( newBotE, thePrism.myWallQuads[ iRight ].back(), newWallF ))
750 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
754 } while ( nbKnownFaces != faceMap.Extent() );
756 // find wall FACEs adjacent to each of thePrism.myWallQuads by the top side EDGE
757 if ( totalNbFaces - faceMap.Extent() > 2 )
759 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
761 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
762 const TopoDS_Edge & topE = topSide->Edge( 0 );
763 if ( topSide->NbEdges() > 1 )
764 return toSM( error(COMPERR_BAD_SHAPE, TCom("Side face #") <<
765 shapeID( thePrism.myWallQuads[i].back()->face )
766 << " has a composite top edge"));
767 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( topE ));
768 for ( ; faceIt.More(); faceIt.Next() )
769 if ( faceMap.Add( faceIt.Value() ))
771 // a new wall FACE encountered, store it in wallQuads
772 thePrism.myWallQuads[ i ].push_back( quadAlgo->CheckNbEdges( *mesh, faceIt.Value() ));
773 if ( !thePrism.myWallQuads[ i ].back() )
774 return toSM( error(TCom("Side face #") << shapeID( faceIt.Value() ) <<
775 " not meshable with quadrangles"));
776 if ( ! setBottomEdge( topE, thePrism.myWallQuads[ i ].back(), faceIt.Value() ))
777 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
778 if ( totalNbFaces - faceMap.Extent() == 2 )
780 i = thePrism.myWallQuads.size(); // to quit from the outer loop
786 } // while ( totalNbFaces - faceMap.Extent() > 2 )
788 // ------------------
790 // ------------------
792 if ( thePrism.myTop.IsNull() )
794 // now only top and bottom FACEs are not in the faceMap
795 faceMap.Add( thePrism.myBottom );
796 for ( TopExp_Explorer f( thePrism.myShape3D, TopAbs_FACE );f.More(); f.Next() )
797 if ( !faceMap.Contains( f.Current() )) {
798 thePrism.myTop = TopoDS::Face( f.Current() );
801 if ( thePrism.myTop.IsNull() )
802 return toSM( error("Top face not found"));
805 // Check that the top FACE shares all the top EDGEs
806 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
808 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
809 const TopoDS_Edge & topE = topSide->Edge( 0 );
810 if ( !myHelper->IsSubShape( topE, thePrism.myTop ))
811 return toSM( error( TCom("Wrong source face (#") << shapeID( thePrism.myBottom )));
817 //=======================================================================
819 //purpose : Compute mesh on a SOLID
820 //=======================================================================
822 bool StdMeshers_Prism_3D::compute(const Prism_3D::TPrismTopo& thePrism)
824 myHelper->IsQuadraticSubMesh( thePrism.myShape3D );
825 if ( _computeCanceled )
826 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
828 // Make all side FACEs of thePrism meshed with quads
829 if ( !computeWalls( thePrism ))
832 // Analyse mesh and geometry to find block sub-shapes and submeshes
833 if ( !myBlock.Init( myHelper, thePrism ))
834 return toSM( error( myBlock.GetError()));
836 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
838 int volumeID = meshDS->ShapeToIndex( thePrism.myShape3D );
841 // To compute coordinates of a node inside a block, it is necessary to know
842 // 1. normalized parameters of the node by which
843 // 2. coordinates of node projections on all block sub-shapes are computed
845 // So we fill projections on vertices at once as they are same for all nodes
846 myShapeXYZ.resize( myBlock.NbSubShapes() );
847 for ( int iV = SMESH_Block::ID_FirstV; iV < SMESH_Block::ID_FirstE; ++iV ) {
848 myBlock.VertexPoint( iV, myShapeXYZ[ iV ]);
849 SHOWYXZ("V point " <<iV << " ", myShapeXYZ[ iV ]);
852 // Projections on the top and bottom faces are taken from nodes existing
853 // on these faces; find correspondence between bottom and top nodes
854 myBotToColumnMap.clear();
855 if ( !assocOrProjBottom2Top() ) // it also fills myBotToColumnMap
859 // Create nodes inside the block
861 // try to use transformation (issue 0020680)
862 vector<gp_Trsf> trsf;
863 if ( myBlock.GetLayersTransformation( trsf, thePrism ))
865 // loop on nodes inside the bottom face
866 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
867 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
869 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
870 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
871 continue; // node is not inside face
873 // column nodes; middle part of the column are zero pointers
874 TNodeColumn& column = bot_column->second;
875 TNodeColumn::iterator columnNodes = column.begin();
876 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
878 const SMDS_MeshNode* & node = *columnNodes;
879 if ( node ) continue; // skip bottom or top node
881 gp_XYZ coords = tBotNode.GetCoords();
882 trsf[z-1].Transforms( coords );
883 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
884 meshDS->SetNodeInVolume( node, volumeID );
886 } // loop on bottom nodes
888 else // use block approach
890 // loop on nodes inside the bottom face
891 Prism_3D::TNode prevBNode;
892 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
893 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
895 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
896 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
897 continue; // node is not inside face
899 // column nodes; middle part of the column are zero pointers
900 TNodeColumn& column = bot_column->second;
902 // compute bottom node parameters
903 gp_XYZ paramHint(-1,-1,-1);
904 if ( prevBNode.IsNeighbor( tBotNode ))
905 paramHint = prevBNode.GetParams();
906 if ( !myBlock.ComputeParameters( tBotNode.GetCoords(), tBotNode.ChangeParams(),
907 ID_BOT_FACE, paramHint ))
908 return toSM( error(TCom("Can't compute normalized parameters for node ")
909 << tBotNode.myNode->GetID() << " on the face #"
910 << myBlock.SubMesh( ID_BOT_FACE )->GetId() ));
911 prevBNode = tBotNode;
913 myShapeXYZ[ ID_BOT_FACE ] = tBotNode.GetCoords();
914 gp_XYZ botParams = tBotNode.GetParams();
916 // compute top node parameters
917 myShapeXYZ[ ID_TOP_FACE ] = gpXYZ( column.back() );
918 gp_XYZ topParams = botParams;
920 if ( column.size() > 2 ) {
921 gp_Pnt topCoords = myShapeXYZ[ ID_TOP_FACE ];
922 if ( !myBlock.ComputeParameters( topCoords, topParams, ID_TOP_FACE, topParams ))
923 return toSM( error(TCom("Can't compute normalized parameters ")
924 << "for node " << column.back()->GetID()
925 << " on the face #"<< column.back()->getshapeId() ));
929 TNodeColumn::iterator columnNodes = column.begin();
930 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
932 const SMDS_MeshNode* & node = *columnNodes;
933 if ( node ) continue; // skip bottom or top node
935 // params of a node to create
936 double rz = (double) z / (double) ( column.size() - 1 );
937 gp_XYZ params = botParams * ( 1 - rz ) + topParams * rz;
939 // set coords on all faces and nodes
940 const int nbSideFaces = 4;
941 int sideFaceIDs[nbSideFaces] = { SMESH_Block::ID_Fx0z,
942 SMESH_Block::ID_Fx1z,
943 SMESH_Block::ID_F0yz,
944 SMESH_Block::ID_F1yz };
945 for ( int iF = 0; iF < nbSideFaces; ++iF )
946 if ( !setFaceAndEdgesXYZ( sideFaceIDs[ iF ], params, z ))
949 // compute coords for a new node
951 if ( !SMESH_Block::ShellPoint( params, myShapeXYZ, coords ))
952 return toSM( error("Can't compute coordinates by normalized parameters"));
954 SHOWYXZ("TOPFacePoint ",myShapeXYZ[ ID_TOP_FACE]);
955 SHOWYXZ("BOT Node "<< tBotNode.myNode->GetID(),gpXYZ(tBotNode.myNode));
956 SHOWYXZ("ShellPoint ",coords);
959 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
960 meshDS->SetNodeInVolume( node, volumeID );
962 } // loop on bottom nodes
967 SMESHDS_SubMesh* smDS = myBlock.SubMeshDS( ID_BOT_FACE );
968 if ( !smDS ) return toSM( error(COMPERR_BAD_INPUT_MESH, "Null submesh"));
970 // loop on bottom mesh faces
971 SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
972 while ( faceIt->more() )
974 const SMDS_MeshElement* face = faceIt->next();
975 if ( !face || face->GetType() != SMDSAbs_Face )
978 // find node columns for each node
979 int nbNodes = face->NbCornerNodes();
980 vector< const TNodeColumn* > columns( nbNodes );
981 for ( int i = 0; i < nbNodes; ++i )
983 const SMDS_MeshNode* n = face->GetNode( i );
984 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
985 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
986 if ( bot_column == myBotToColumnMap.end() )
987 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
988 columns[ i ] = & bot_column->second;
991 columns[ i ] = myBlock.GetNodeColumn( n );
993 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
997 AddPrisms( columns, myHelper );
999 } // loop on bottom mesh faces
1002 myBotToColumnMap.clear();
1008 //=======================================================================
1009 //function : computeWalls
1010 //purpose : Compute 2D mesh on walls FACEs of a prism
1011 //=======================================================================
1013 bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
1015 SMESH_Mesh* mesh = myHelper->GetMesh();
1016 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
1018 TProjction1dAlgo* projector1D = TProjction1dAlgo::instance( this );
1019 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, myHelper );
1021 SMESH_HypoFilter hyp1dFilter( SMESH_HypoFilter::IsAlgo(),/*not=*/true);
1022 hyp1dFilter.And( SMESH_HypoFilter::HasDim( 1 ));
1023 hyp1dFilter.And( SMESH_HypoFilter::IsMoreLocalThan( thePrism.myShape3D, *mesh ));
1025 // Discretize equally 'vertical' EDGEs
1026 // -----------------------------------
1027 // find source FACE sides for projection: either already computed ones or
1028 // the 'most composite' ones
1029 multimap< int, int > wgt2quad;
1030 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1032 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1033 int wgt = 0; // "weight"
1034 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1036 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ];
1037 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1040 const TopoDS_Edge& E = lftSide->Edge(i);
1041 if ( mesh->GetSubMesh( E )->IsMeshComputed() )
1043 else if ( mesh->GetHypothesis( E, hyp1dFilter, true )) // local hypothesis!
1047 wgt2quad.insert( make_pair( wgt, iW ));
1049 // in quadratic mesh, pass ignoreMediumNodes to quad sides
1050 if ( myHelper->GetIsQuadratic() )
1052 quad = thePrism.myWallQuads[iW].begin();
1053 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1054 for ( int i = 0; i < NB_QUAD_SIDES; ++i )
1055 (*quad)->side[ i ]->SetIgnoreMediumNodes( true );
1059 // Project 'vertical' EDGEs, from left to right
1060 multimap< int, int >::reverse_iterator w2q = wgt2quad.rbegin();
1061 for ( ; w2q != wgt2quad.rend(); ++w2q )
1063 const int iW = w2q->second;
1064 const Prism_3D::TQuadList& quads = thePrism.myWallQuads[ iW ];
1065 Prism_3D::TQuadList::const_iterator quad = quads.begin();
1066 for ( ; quad != quads.end(); ++quad )
1068 StdMeshers_FaceSide* rgtSide = (*quad)->side[ QUAD_RIGHT_SIDE ]; // tgt
1069 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ]; // src
1070 bool swapLeftRight = ( lftSide->NbSegments( /*update=*/true ) == 0 &&
1071 rgtSide->NbSegments( /*update=*/true ) > 0 );
1072 if ( swapLeftRight )
1073 std::swap( lftSide, rgtSide );
1075 // assure that all the source (left) EDGEs are meshed
1076 int nbSrcSegments = 0;
1077 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1079 const TopoDS_Edge& srcE = lftSide->Edge(i);
1080 SMESH_subMesh* srcSM = mesh->GetSubMesh( srcE );
1081 if ( !srcSM->IsMeshComputed() ) {
1082 srcSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1083 srcSM->ComputeStateEngine ( SMESH_subMesh::COMPUTE );
1084 if ( !srcSM->IsMeshComputed() )
1087 nbSrcSegments += srcSM->GetSubMeshDS()->NbElements();
1089 // check target EDGEs
1090 int nbTgtMeshed = 0, nbTgtSegments = 0;
1091 vector< bool > isTgtEdgeComputed( rgtSide->NbEdges() );
1092 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1094 const TopoDS_Edge& tgtE = rgtSide->Edge(i);
1095 SMESH_subMesh* tgtSM = mesh->GetSubMesh( tgtE );
1096 if (( isTgtEdgeComputed[ i ] = tgtSM->IsMeshComputed() )) {
1098 nbTgtSegments += tgtSM->GetSubMeshDS()->NbElements();
1101 if ( rgtSide->NbEdges() == nbTgtMeshed ) // all tgt EDGEs meshed
1103 if ( nbTgtSegments != nbSrcSegments )
1105 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1106 addBadInputElements( meshDS->MeshElements( lftSide->Edge( i )));
1107 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1108 addBadInputElements( meshDS->MeshElements( rgtSide->Edge( i )));
1109 return toSM( error( TCom("Different nb of segment on logically vertical edges #")
1110 << shapeID( lftSide->Edge(0) ) << " and #"
1111 << shapeID( rgtSide->Edge(0) ) << ": "
1112 << nbSrcSegments << " != " << nbTgtSegments ));
1117 if ( nbTgtMeshed == 0 )
1119 // compute nodes on target VERTEXes
1120 const UVPtStructVec& srcNodeStr = lftSide->GetUVPtStruct();
1121 if ( srcNodeStr.size() == 0 )
1122 return toSM( error( TCom("Invalid node positions on edge #") <<
1123 shapeID( lftSide->Edge(0) )));
1124 vector< SMDS_MeshNode* > newNodes( srcNodeStr.size() );
1125 for ( int is2ndV = 0; is2ndV < 2; ++is2ndV )
1127 const TopoDS_Edge& E = rgtSide->Edge( is2ndV ? rgtSide->NbEdges()-1 : 0 );
1128 TopoDS_Vertex v = myHelper->IthVertex( is2ndV, E );
1129 mesh->GetSubMesh( v )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1130 const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, meshDS );
1131 newNodes[ is2ndV ? 0 : newNodes.size()-1 ] = (SMDS_MeshNode*) n;
1134 // compute nodes on target EDGEs
1135 rgtSide->Reverse(); // direct it same as the lftSide
1136 myHelper->SetElementsOnShape( false );
1137 TopoDS_Edge tgtEdge;
1138 for ( size_t iN = 1; iN < srcNodeStr.size()-1; ++iN ) // add nodes
1140 gp_Pnt p = rgtSide->Value3d ( srcNodeStr[ iN ].normParam );
1141 double u = rgtSide->Parameter( srcNodeStr[ iN ].normParam, tgtEdge );
1142 newNodes[ iN ] = meshDS->AddNode( p.X(), p.Y(), p.Z() );
1143 meshDS->SetNodeOnEdge( newNodes[ iN ], tgtEdge, u );
1145 for ( size_t iN = 1; iN < srcNodeStr.size(); ++iN ) // add segments
1147 SMDS_MeshElement* newEdge = myHelper->AddEdge( newNodes[ iN-1 ], newNodes[ iN ] );
1148 std::pair<int, TopAbs_ShapeEnum> id2type =
1149 myHelper->GetMediumPos( newNodes[ iN-1 ], newNodes[ iN ] );
1150 if ( id2type.second == TopAbs_EDGE )
1152 meshDS->SetMeshElementOnShape( newEdge, id2type.first );
1154 else // new nodes are on different EDGEs; put one of them on VERTEX
1156 const int edgeIndex = rgtSide->EdgeIndex( srcNodeStr[ iN-1 ].normParam );
1157 const double vertexParam = rgtSide->LastParameter( edgeIndex );
1158 const gp_Pnt p = BRep_Tool::Pnt( rgtSide->LastVertex( edgeIndex ));
1159 const int isPrev = ( Abs( srcNodeStr[ iN-1 ].normParam - vertexParam ) <
1160 Abs( srcNodeStr[ iN ].normParam - vertexParam ));
1161 meshDS->SetMeshElementOnShape( newEdge, newNodes[ iN-(1-isPrev) ]->getshapeId() );
1162 meshDS->UnSetNodeOnShape( newNodes[ iN-isPrev ] );
1163 meshDS->SetNodeOnVertex ( newNodes[ iN-isPrev ], rgtSide->LastVertex( edgeIndex ));
1164 meshDS->MoveNode( newNodes[ iN-isPrev ], p.X(), p.Y(), p.Z() );
1167 myHelper->SetElementsOnShape( true );
1168 for ( int i = 0; i < rgtSide->NbEdges(); ++i ) // update state of sub-meshes
1170 const TopoDS_Edge& E = rgtSide->Edge( i );
1171 SMESH_subMesh* tgtSM = mesh->GetSubMesh( E );
1172 tgtSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1175 // to continue projection from the just computed side as a source
1176 if ( !swapLeftRight && rgtSide->NbEdges() > 1 && w2q->second == iW )
1178 std::pair<int,int> wgt2quadKeyVal( w2q->first + 1, thePrism.myRightQuadIndex[ iW ]);
1179 wgt2quad.insert( wgt2quadKeyVal ); // it will be skipped by ++w2q
1180 wgt2quad.insert( wgt2quadKeyVal );
1181 w2q = wgt2quad.rbegin();
1186 // HOPE assigned hypotheses are OK, so that equal nb of segments will be generated
1187 //return toSM( error("Partial projection not implemented"));
1189 } // loop on quads of a composite wall side
1190 } // loop on the ordered wall sides
1194 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1196 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1197 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1199 // Top EDGEs must be projections from the bottom ones
1200 // to compute stuctured quad mesh on wall FACEs
1201 // ---------------------------------------------------
1202 const TopoDS_Edge& botE = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge(0);
1203 const TopoDS_Edge& topE = (*quad)->side[ QUAD_TOP_SIDE ]->Edge(0);
1205 projector1D->myHyp.SetSourceEdge( botE );
1207 SMESH_subMesh* tgtEdgeSm = mesh->GetSubMesh( topE );
1208 if ( !tgtEdgeSm->IsMeshComputed() )
1210 // compute nodes on VERTEXes
1211 tgtEdgeSm->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1213 projector1D->InitComputeError();
1214 bool ok = projector1D->Compute( *mesh, topE );
1217 SMESH_ComputeErrorPtr err = projector1D->GetComputeError();
1218 if ( err->IsOK() ) err->myName = COMPERR_ALGO_FAILED;
1219 tgtEdgeSm->GetComputeError() = err;
1223 tgtEdgeSm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1225 // Compute quad mesh on wall FACEs
1226 // -------------------------------
1227 const TopoDS_Face& face = (*quad)->face;
1228 SMESH_subMesh* fSM = mesh->GetSubMesh( face );
1229 if ( ! fSM->IsMeshComputed() )
1231 // make all EDGES meshed
1232 fSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1233 if ( !fSM->SubMeshesComputed() )
1234 return toSM( error( COMPERR_BAD_INPUT_MESH,
1235 "Not all edges have valid algorithm and hypothesis"));
1237 quadAlgo->InitComputeError();
1238 bool ok = quadAlgo->Compute( *mesh, face );
1239 fSM->GetComputeError() = quadAlgo->GetComputeError();
1242 fSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1244 if ( myHelper->GetIsQuadratic() )
1246 // fill myHelper with medium nodes built by quadAlgo
1247 SMDS_ElemIteratorPtr fIt = fSM->GetSubMeshDS()->GetElements();
1248 while ( fIt->more() )
1249 myHelper->AddTLinks( dynamic_cast<const SMDS_MeshFace*>( fIt->next() ));
1257 //=======================================================================
1258 //function : Evaluate
1260 //=======================================================================
1262 bool StdMeshers_Prism_3D::Evaluate(SMESH_Mesh& theMesh,
1263 const TopoDS_Shape& theShape,
1264 MapShapeNbElems& aResMap)
1266 if ( theShape.ShapeType() == TopAbs_COMPOUND )
1269 for ( TopoDS_Iterator it( theShape ); it.More(); it.Next() )
1270 ok &= Evaluate( theMesh, it.Value(), aResMap );
1273 SMESH_MesherHelper helper( theMesh );
1275 myHelper->SetSubShape( theShape );
1277 // find face contains only triangles
1278 vector < SMESH_subMesh * >meshFaces;
1279 TopTools_SequenceOfShape aFaces;
1280 int NumBase = 0, i = 0, NbQFs = 0;
1281 for (TopExp_Explorer exp(theShape, TopAbs_FACE); exp.More(); exp.Next()) {
1283 aFaces.Append(exp.Current());
1284 SMESH_subMesh *aSubMesh = theMesh.GetSubMesh(exp.Current());
1285 meshFaces.push_back(aSubMesh);
1286 MapShapeNbElemsItr anIt = aResMap.find(meshFaces[i-1]);
1287 if( anIt==aResMap.end() )
1288 return toSM( error( "Submesh can not be evaluated"));
1290 std::vector<int> aVec = (*anIt).second;
1291 int nbtri = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1292 int nbqua = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1293 if( nbtri==0 && nbqua>0 ) {
1302 std::vector<int> aResVec(SMDSEntity_Last);
1303 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1304 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1305 aResMap.insert(std::make_pair(sm,aResVec));
1306 return toSM( error( "Submesh can not be evaluated" ));
1309 if(NumBase==0) NumBase = 1; // only quads => set 1 faces as base
1311 // find number of 1d elems for base face
1313 TopTools_MapOfShape Edges1;
1314 for (TopExp_Explorer exp(aFaces.Value(NumBase), TopAbs_EDGE); exp.More(); exp.Next()) {
1315 Edges1.Add(exp.Current());
1316 SMESH_subMesh *sm = theMesh.GetSubMesh(exp.Current());
1318 MapShapeNbElemsItr anIt = aResMap.find(sm);
1319 if( anIt == aResMap.end() ) continue;
1320 std::vector<int> aVec = (*anIt).second;
1321 nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
1324 // find face opposite to base face
1326 for(i=1; i<=6; i++) {
1327 if(i==NumBase) continue;
1328 bool IsOpposite = true;
1329 for(TopExp_Explorer exp(aFaces.Value(i), TopAbs_EDGE); exp.More(); exp.Next()) {
1330 if( Edges1.Contains(exp.Current()) ) {
1340 // find number of 2d elems on side faces
1342 for(i=1; i<=6; i++) {
1343 if( i==OppNum || i==NumBase ) continue;
1344 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[i-1] );
1345 if( anIt == aResMap.end() ) continue;
1346 std::vector<int> aVec = (*anIt).second;
1347 nb2d += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1350 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[NumBase-1] );
1351 std::vector<int> aVec = (*anIt).second;
1352 bool IsQuadratic = (aVec[SMDSEntity_Quad_Triangle]>aVec[SMDSEntity_Triangle]) ||
1353 (aVec[SMDSEntity_Quad_Quadrangle]>aVec[SMDSEntity_Quadrangle]);
1354 int nb2d_face0_3 = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1355 int nb2d_face0_4 = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1356 int nb0d_face0 = aVec[SMDSEntity_Node];
1357 int nb1d_face0_int = ( nb2d_face0_3*3 + nb2d_face0_4*4 - nb1d ) / 2;
1359 std::vector<int> aResVec(SMDSEntity_Last);
1360 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1362 aResVec[SMDSEntity_Quad_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1363 aResVec[SMDSEntity_Quad_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1364 aResVec[SMDSEntity_Node] = nb0d_face0 * ( 2*nb2d/nb1d - 1 ) - nb1d_face0_int * nb2d/nb1d;
1367 aResVec[SMDSEntity_Node] = nb0d_face0 * ( nb2d/nb1d - 1 );
1368 aResVec[SMDSEntity_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1369 aResVec[SMDSEntity_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1371 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1372 aResMap.insert(std::make_pair(sm,aResVec));
1377 //================================================================================
1379 * \brief Create prisms
1380 * \param columns - columns of nodes generated from nodes of a mesh face
1381 * \param helper - helper initialized by mesh and shape to add prisms to
1383 //================================================================================
1385 void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
1386 SMESH_MesherHelper* helper)
1388 int nbNodes = columns.size();
1389 int nbZ = columns[0]->size();
1390 if ( nbZ < 2 ) return;
1392 // find out orientation
1393 bool isForward = true;
1394 SMDS_VolumeTool vTool;
1396 switch ( nbNodes ) {
1398 SMDS_VolumeOfNodes tmpPenta ( (*columns[0])[z-1], // bottom
1401 (*columns[0])[z], // top
1404 vTool.Set( &tmpPenta );
1405 isForward = vTool.IsForward();
1409 SMDS_VolumeOfNodes tmpHex( (*columns[0])[z-1], (*columns[1])[z-1], // bottom
1410 (*columns[2])[z-1], (*columns[3])[z-1],
1411 (*columns[0])[z], (*columns[1])[z], // top
1412 (*columns[2])[z], (*columns[3])[z] );
1413 vTool.Set( &tmpHex );
1414 isForward = vTool.IsForward();
1418 const int di = (nbNodes+1) / 3;
1419 SMDS_VolumeOfNodes tmpVol ( (*columns[0] )[z-1],
1420 (*columns[di] )[z-1],
1421 (*columns[2*di])[z-1],
1424 (*columns[2*di])[z] );
1425 vTool.Set( &tmpVol );
1426 isForward = vTool.IsForward();
1429 // vertical loop on columns
1431 helper->SetElementsOnShape( true );
1433 switch ( nbNodes ) {
1435 case 3: { // ---------- pentahedra
1436 const int i1 = isForward ? 1 : 2;
1437 const int i2 = isForward ? 2 : 1;
1438 for ( z = 1; z < nbZ; ++z )
1439 helper->AddVolume( (*columns[0 ])[z-1], // bottom
1440 (*columns[i1])[z-1],
1441 (*columns[i2])[z-1],
1442 (*columns[0 ])[z], // top
1444 (*columns[i2])[z] );
1447 case 4: { // ---------- hexahedra
1448 const int i1 = isForward ? 1 : 3;
1449 const int i3 = isForward ? 3 : 1;
1450 for ( z = 1; z < nbZ; ++z )
1451 helper->AddVolume( (*columns[0])[z-1], (*columns[i1])[z-1], // bottom
1452 (*columns[2])[z-1], (*columns[i3])[z-1],
1453 (*columns[0])[z], (*columns[i1])[z], // top
1454 (*columns[2])[z], (*columns[i3])[z] );
1457 case 6: { // ---------- octahedra
1458 const int iBase1 = isForward ? -1 : 0;
1459 const int iBase2 = isForward ? 0 :-1;
1460 for ( z = 1; z < nbZ; ++z )
1461 helper->AddVolume( (*columns[0])[z+iBase1], (*columns[1])[z+iBase1], // bottom or top
1462 (*columns[2])[z+iBase1], (*columns[3])[z+iBase1],
1463 (*columns[4])[z+iBase1], (*columns[5])[z+iBase1],
1464 (*columns[0])[z+iBase2], (*columns[1])[z+iBase2], // top or bottom
1465 (*columns[2])[z+iBase2], (*columns[3])[z+iBase2],
1466 (*columns[4])[z+iBase2], (*columns[5])[z+iBase2] );
1469 default: // ---------- polyhedra
1470 vector<int> quantities( 2 + nbNodes, 4 );
1471 quantities[0] = quantities[1] = nbNodes;
1472 columns.resize( nbNodes + 1 );
1473 columns[ nbNodes ] = columns[ 0 ];
1474 const int i1 = isForward ? 1 : 3;
1475 const int i3 = isForward ? 3 : 1;
1476 const int iBase1 = isForward ? -1 : 0;
1477 const int iBase2 = isForward ? 0 :-1;
1478 vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
1479 for ( z = 1; z < nbZ; ++z )
1481 for ( int i = 0; i < nbNodes; ++i ) {
1482 nodes[ i ] = (*columns[ i ])[z+iBase1]; // bottom or top
1483 nodes[ 2*nbNodes-i-1 ] = (*columns[ i ])[z+iBase2]; // top or bottom
1485 int di = 2*nbNodes + 4*i;
1486 nodes[ di+0 ] = (*columns[i ])[z ];
1487 nodes[ di+i1] = (*columns[i+1])[z ];
1488 nodes[ di+2 ] = (*columns[i+1])[z-1];
1489 nodes[ di+i3] = (*columns[i ])[z-1];
1491 helper->AddPolyhedralVolume( nodes, quantities );
1494 } // switch ( nbNodes )
1497 //================================================================================
1499 * \brief Find correspondence between bottom and top nodes
1500 * If elements on the bottom and top faces are topologically different,
1501 * and projection is possible and allowed, perform the projection
1502 * \retval bool - is a success or not
1504 //================================================================================
1506 bool StdMeshers_Prism_3D::assocOrProjBottom2Top()
1508 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1509 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1511 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1512 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1514 if ( !botSMDS || botSMDS->NbElements() == 0 )
1515 return toSM( error(TCom("No elememts on face #") << botSM->GetId() ));
1517 bool needProject = !topSM->IsMeshComputed();
1518 if ( !needProject &&
1519 (botSMDS->NbElements() != topSMDS->NbElements() ||
1520 botSMDS->NbNodes() != topSMDS->NbNodes()))
1522 MESSAGE("nb elem bot " << botSMDS->NbElements() <<
1523 " top " << ( topSMDS ? topSMDS->NbElements() : 0 ));
1524 MESSAGE("nb node bot " << botSMDS->NbNodes() <<
1525 " top " << ( topSMDS ? topSMDS->NbNodes() : 0 ));
1526 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1527 <<" and #"<< topSM->GetId() << " seems different" ));
1530 if ( 0/*needProject && !myProjectTriangles*/ )
1531 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1532 <<" and #"<< topSM->GetId() << " seems different" ));
1533 ///RETURN_BAD_RESULT("Need to project but not allowed");
1537 return projectBottomToTop();
1540 TopoDS_Face botFace = TopoDS::Face( myBlock.Shape( ID_BOT_FACE ));
1541 TopoDS_Face topFace = TopoDS::Face( myBlock.Shape( ID_TOP_FACE ));
1542 // associate top and bottom faces
1543 TAssocTool::TShapeShapeMap shape2ShapeMap;
1544 if ( !TAssocTool::FindSubShapeAssociation( botFace, myBlock.Mesh(),
1545 topFace, myBlock.Mesh(),
1547 return toSM( error(TCom("Topology of faces #") << botSM->GetId()
1548 <<" and #"<< topSM->GetId() << " seems different" ));
1550 // Find matching nodes of top and bottom faces
1551 TNodeNodeMap n2nMap;
1552 if ( ! TAssocTool::FindMatchingNodesOnFaces( botFace, myBlock.Mesh(),
1553 topFace, myBlock.Mesh(),
1554 shape2ShapeMap, n2nMap ))
1555 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1556 <<" and #"<< topSM->GetId() << " seems different" ));
1558 // Fill myBotToColumnMap
1560 int zSize = myBlock.VerticalSize();
1562 TNodeNodeMap::iterator bN_tN = n2nMap.begin();
1563 for ( ; bN_tN != n2nMap.end(); ++bN_tN )
1565 const SMDS_MeshNode* botNode = bN_tN->first;
1566 const SMDS_MeshNode* topNode = bN_tN->second;
1567 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1568 continue; // wall columns are contained in myBlock
1569 // create node column
1570 Prism_3D::TNode bN( botNode );
1571 TNode2ColumnMap::iterator bN_col =
1572 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1573 TNodeColumn & column = bN_col->second;
1574 column.resize( zSize );
1575 column.front() = botNode;
1576 column.back() = topNode;
1581 //================================================================================
1583 * \brief Remove quadrangles from the top face and
1584 * create triangles there by projection from the bottom
1585 * \retval bool - a success or not
1587 //================================================================================
1589 bool StdMeshers_Prism_3D::projectBottomToTop()
1591 SMESHDS_Mesh* meshDS = myBlock.MeshDS();
1592 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1593 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1595 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1596 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1598 if ( topSMDS && topSMDS->NbElements() > 0 )
1599 topSM->ComputeStateEngine( SMESH_subMesh::CLEAN );
1601 const TopoDS_Shape& botFace = myBlock.Shape( ID_BOT_FACE ); // oriented within the 3D SHAPE
1602 const TopoDS_Shape& topFace = myBlock.Shape( ID_TOP_FACE);
1603 int topFaceID = meshDS->ShapeToIndex( topFace );
1605 // Fill myBotToColumnMap
1607 int zSize = myBlock.VerticalSize();
1608 Prism_3D::TNode prevTNode;
1609 SMDS_NodeIteratorPtr nIt = botSMDS->GetNodes();
1610 while ( nIt->more() )
1612 const SMDS_MeshNode* botNode = nIt->next();
1613 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1614 continue; // strange
1615 // compute bottom node params
1616 Prism_3D::TNode bN( botNode );
1617 gp_XYZ paramHint(-1,-1,-1);
1618 if ( prevTNode.IsNeighbor( bN ))
1619 paramHint = prevTNode.GetParams();
1620 if ( !myBlock.ComputeParameters( bN.GetCoords(), bN.ChangeParams(),
1621 ID_BOT_FACE, paramHint ))
1622 return toSM( error(TCom("Can't compute normalized parameters for node ")
1623 << botNode->GetID() << " on the face #"<< botSM->GetId() ));
1625 // compute top node coords
1626 gp_XYZ topXYZ; gp_XY topUV;
1627 if ( !myBlock.FacePoint( ID_TOP_FACE, bN.GetParams(), topXYZ ) ||
1628 !myBlock.FaceUV ( ID_TOP_FACE, bN.GetParams(), topUV ))
1629 return toSM( error(TCom("Can't compute coordinates "
1630 "by normalized parameters on the face #")<< topSM->GetId() ));
1631 SMDS_MeshNode * topNode = meshDS->AddNode( topXYZ.X(),topXYZ.Y(),topXYZ.Z() );
1632 meshDS->SetNodeOnFace( topNode, topFaceID, topUV.X(), topUV.Y() );
1633 // create node column
1634 TNode2ColumnMap::iterator bN_col =
1635 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1636 TNodeColumn & column = bN_col->second;
1637 column.resize( zSize );
1638 column.front() = botNode;
1639 column.back() = topNode;
1644 const bool oldSetElemsOnShape = myHelper->SetElementsOnShape( false );
1646 // care of orientation;
1647 // if the bottom faces is orienetd OK then top faces must be reversed
1648 bool reverseTop = true;
1649 if ( myHelper->NbAncestors( botFace, *myBlock.Mesh(), TopAbs_SOLID ) > 1 )
1650 reverseTop = ! myHelper->IsReversedSubMesh( TopoDS::Face( botFace ));
1651 int iFrw, iRev, *iPtr = &( reverseTop ? iRev : iFrw );
1653 // loop on bottom mesh faces
1654 SMDS_ElemIteratorPtr faceIt = botSMDS->GetElements();
1655 vector< const SMDS_MeshNode* > nodes;
1656 while ( faceIt->more() )
1658 const SMDS_MeshElement* face = faceIt->next();
1659 if ( !face || face->GetType() != SMDSAbs_Face )
1662 // find top node in columns for each bottom node
1663 int nbNodes = face->NbCornerNodes();
1664 nodes.resize( nbNodes );
1665 for ( iFrw = 0, iRev = nbNodes-1; iFrw < nbNodes; ++iFrw, --iRev )
1667 const SMDS_MeshNode* n = face->GetNode( *iPtr );
1668 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
1669 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
1670 if ( bot_column == myBotToColumnMap.end() )
1671 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
1672 nodes[ iFrw ] = bot_column->second.back();
1675 const TNodeColumn* column = myBlock.GetNodeColumn( n );
1677 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
1678 nodes[ iFrw ] = column->back();
1681 SMDS_MeshElement* newFace = 0;
1682 switch ( nbNodes ) {
1685 newFace = myHelper->AddFace(nodes[0], nodes[1], nodes[2]);
1689 newFace = myHelper->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
1693 newFace = meshDS->AddPolygonalFace( nodes );
1696 meshDS->SetMeshElementOnShape( newFace, topFaceID );
1699 myHelper->SetElementsOnShape( oldSetElemsOnShape );
1704 //=======================================================================
1705 //function : project2dMesh
1706 //purpose : Project mesh faces from a source FACE of one prism (theSrcFace)
1707 // to a source FACE of another prism (theTgtFace)
1708 //=======================================================================
1710 bool StdMeshers_Prism_3D::project2dMesh(const TopoDS_Face& theSrcFace,
1711 const TopoDS_Face& theTgtFace)
1713 TProjction2dAlgo* projector2D = TProjction2dAlgo::instance( this );
1714 projector2D->myHyp.SetSourceFace( theSrcFace );
1715 bool ok = projector2D->Compute( *myHelper->GetMesh(), theTgtFace );
1717 SMESH_subMesh* tgtSM = myHelper->GetMesh()->GetSubMesh( theTgtFace );
1718 tgtSM->ComputeStateEngine ( SMESH_subMesh::CHECK_COMPUTE_STATE );
1719 tgtSM->ComputeSubMeshStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1724 //================================================================================
1726 * \brief Set projection coordinates of a node to a face and it's sub-shapes
1727 * \param faceID - the face given by in-block ID
1728 * \param params - node normalized parameters
1729 * \retval bool - is a success
1731 //================================================================================
1733 bool StdMeshers_Prism_3D::setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z )
1735 // find base and top edges of the face
1736 enum { BASE = 0, TOP, LEFT, RIGHT };
1737 vector< int > edgeVec; // 0-base, 1-top
1738 SMESH_Block::GetFaceEdgesIDs( faceID, edgeVec );
1740 myBlock.EdgePoint( edgeVec[ BASE ], params, myShapeXYZ[ edgeVec[ BASE ]]);
1741 myBlock.EdgePoint( edgeVec[ TOP ], params, myShapeXYZ[ edgeVec[ TOP ]]);
1743 SHOWYXZ("\nparams ", params);
1744 SHOWYXZ("TOP is " <<edgeVec[ TOP ], myShapeXYZ[ edgeVec[ TOP]]);
1745 SHOWYXZ("BASE is "<<edgeVec[ BASE], myShapeXYZ[ edgeVec[ BASE]]);
1747 if ( faceID == SMESH_Block::ID_Fx0z || faceID == SMESH_Block::ID_Fx1z )
1749 myBlock.EdgePoint( edgeVec[ LEFT ], params, myShapeXYZ[ edgeVec[ LEFT ]]);
1750 myBlock.EdgePoint( edgeVec[ RIGHT ], params, myShapeXYZ[ edgeVec[ RIGHT ]]);
1752 SHOWYXZ("VER "<<edgeVec[ LEFT], myShapeXYZ[ edgeVec[ LEFT]]);
1753 SHOWYXZ("VER "<<edgeVec[ RIGHT], myShapeXYZ[ edgeVec[ RIGHT]]);
1755 myBlock.FacePoint( faceID, params, myShapeXYZ[ faceID ]);
1756 SHOWYXZ("FacePoint "<<faceID, myShapeXYZ[ faceID]);
1761 //=======================================================================
1763 //purpose : If (!isOK), sets the error to a sub-mesh of a current SOLID
1764 //=======================================================================
1766 bool StdMeshers_Prism_3D::toSM( bool isOK )
1768 if ( mySetErrorToSM &&
1771 !myHelper->GetSubShape().IsNull() &&
1772 myHelper->GetSubShape().ShapeType() == TopAbs_SOLID)
1774 SMESH_subMesh* sm = myHelper->GetMesh()->GetSubMesh( myHelper->GetSubShape() );
1775 sm->GetComputeError() = this->GetComputeError();
1776 // clear error in order not to return it twice
1777 _error = COMPERR_OK;
1783 //=======================================================================
1784 //function : shapeID
1785 //purpose : Return index of a shape
1786 //=======================================================================
1788 int StdMeshers_Prism_3D::shapeID( const TopoDS_Shape& S )
1790 if ( S.IsNull() ) return 0;
1791 if ( !myHelper ) return -3;
1792 return myHelper->GetMeshDS()->ShapeToIndex( S );
1797 //================================================================================
1799 * \brief Return true if this node and other one belong to one face
1801 //================================================================================
1803 bool Prism_3D::TNode::IsNeighbor( const Prism_3D::TNode& other ) const
1805 if ( !other.myNode || !myNode ) return false;
1807 SMDS_ElemIteratorPtr fIt = other.myNode->GetInverseElementIterator(SMDSAbs_Face);
1808 while ( fIt->more() )
1809 if ( fIt->next()->GetNodeIndex( myNode ) >= 0 )
1814 //================================================================================
1816 * \brief Prism initialization
1818 //================================================================================
1820 void TPrismTopo::Clear()
1822 myShape3D.Nullify();
1825 myWallQuads.clear();
1826 myBottomEdges.clear();
1827 myNbEdgesInWires.clear();
1828 myWallQuads.clear();
1831 } // namespace Prism_3D
1833 //================================================================================
1835 * \brief Constructor. Initialization is needed
1837 //================================================================================
1839 StdMeshers_PrismAsBlock::StdMeshers_PrismAsBlock()
1844 StdMeshers_PrismAsBlock::~StdMeshers_PrismAsBlock()
1848 void StdMeshers_PrismAsBlock::Clear()
1851 myShapeIDMap.Clear();
1855 delete mySide; mySide = 0;
1857 myParam2ColumnMaps.clear();
1858 myShapeIndex2ColumnMap.clear();
1861 //=======================================================================
1862 //function : initPrism
1863 //purpose : Analyse shape geometry and mesh.
1864 // If there are triangles on one of faces, it becomes 'bottom'.
1865 // thePrism.myBottom can be already set up.
1866 //=======================================================================
1868 bool StdMeshers_Prism_3D::initPrism(Prism_3D::TPrismTopo& thePrism,
1869 const TopoDS_Shape& shape3D)
1871 myHelper->SetSubShape( shape3D );
1873 SMESH_subMesh* mainSubMesh = myHelper->GetMesh()->GetSubMeshContaining( shape3D );
1874 if ( !mainSubMesh ) return toSM( error(COMPERR_BAD_INPUT_MESH,"Null submesh of shape3D"));
1876 // detect not-quad FACE sub-meshes of the 3D SHAPE
1877 list< SMESH_subMesh* > notQuadGeomSubMesh;
1878 list< SMESH_subMesh* > notQuadElemSubMesh;
1881 SMESH_subMesh* anyFaceSM = 0;
1882 SMESH_subMeshIteratorPtr smIt = mainSubMesh->getDependsOnIterator(false,true);
1883 while ( smIt->more() )
1885 SMESH_subMesh* sm = smIt->next();
1886 const TopoDS_Shape& face = sm->GetSubShape();
1887 if ( face.ShapeType() > TopAbs_FACE ) break;
1888 else if ( face.ShapeType() < TopAbs_FACE ) continue;
1892 // is quadrangle FACE?
1893 list< TopoDS_Edge > orderedEdges;
1894 list< int > nbEdgesInWires;
1895 int nbWires = SMESH_Block::GetOrderedEdges( TopoDS::Face( face ), orderedEdges,
1897 if ( nbWires != 1 || nbEdgesInWires.front() != 4 )
1898 notQuadGeomSubMesh.push_back( sm );
1900 // look for not quadrangle mesh elements
1901 if ( SMESHDS_SubMesh* smDS = sm->GetSubMeshDS() )
1902 if ( !myHelper->IsSameElemGeometry( smDS, SMDSGeom_QUADRANGLE ))
1903 notQuadElemSubMesh.push_back( sm );
1906 int nbNotQuadMeshed = notQuadElemSubMesh.size();
1907 int nbNotQuad = notQuadGeomSubMesh.size();
1908 bool hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1911 if ( nbNotQuadMeshed > 2 )
1913 return toSM( error(COMPERR_BAD_INPUT_MESH,
1914 TCom("More than 2 faces with not quadrangle elements: ")
1915 <<nbNotQuadMeshed));
1917 if ( nbNotQuad > 2 || !thePrism.myBottom.IsNull() )
1919 // Issue 0020843 - one of side FACEs is quasi-quadrilateral (not 4 EDGEs).
1920 // Remove from notQuadGeomSubMesh faces meshed with regular grid
1921 int nbQuasiQuads = removeQuasiQuads( notQuadGeomSubMesh, myHelper,
1922 TQuadrangleAlgo::instance(this,myHelper) );
1923 nbNotQuad -= nbQuasiQuads;
1924 if ( nbNotQuad > 2 )
1925 return toSM( error(COMPERR_BAD_SHAPE,
1926 TCom("More than 2 not quadrilateral faces: ") <<nbNotQuad));
1927 hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1930 // Analyse mesh and topology of FACEs: choose the bottom sub-mesh.
1931 // If there are not quadrangle FACEs, they are top and bottom ones.
1932 // Not quadrangle FACEs must be only on top and bottom.
1934 SMESH_subMesh * botSM = 0;
1935 SMESH_subMesh * topSM = 0;
1937 if ( hasNotQuad ) // can chose a bottom FACE
1939 if ( nbNotQuadMeshed > 0 ) botSM = notQuadElemSubMesh.front();
1940 else botSM = notQuadGeomSubMesh.front();
1941 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.back();
1942 else if ( nbNotQuad > 1 ) topSM = notQuadGeomSubMesh.back();
1944 if ( topSM == botSM ) {
1945 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.front();
1946 else topSM = notQuadGeomSubMesh.front();
1949 // detect mesh triangles on wall FACEs
1950 if ( nbNotQuad == 2 && nbNotQuadMeshed > 0 ) {
1952 if ( nbNotQuadMeshed == 1 )
1953 ok = ( find( notQuadGeomSubMesh.begin(),
1954 notQuadGeomSubMesh.end(), botSM ) != notQuadGeomSubMesh.end() );
1956 ok = ( notQuadGeomSubMesh == notQuadElemSubMesh );
1958 return toSM( error(COMPERR_BAD_INPUT_MESH,
1959 "Side face meshed with not quadrangle elements"));
1963 thePrism.myNotQuadOnTop = ( nbNotQuadMeshed > 1 );
1965 // use thePrism.myBottom
1966 if ( !thePrism.myBottom.IsNull() )
1969 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom )) {
1970 std::swap( botSM, topSM );
1971 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom ))
1972 return toSM( error( COMPERR_BAD_INPUT_MESH,
1973 "Incompatible non-structured sub-meshes"));
1977 botSM = myHelper->GetMesh()->GetSubMesh( thePrism.myBottom );
1980 else if ( !botSM ) // find a proper bottom
1982 // composite walls or not prism shape
1983 for ( TopExp_Explorer f( shape3D, TopAbs_FACE ); f.More(); f.Next() )
1985 int minNbFaces = 2 + myHelper->Count( f.Current(), TopAbs_EDGE, false);
1986 if ( nbFaces >= minNbFaces)
1989 thePrism.myBottom = TopoDS::Face( f.Current() );
1990 if ( initPrism( thePrism, shape3D ))
1993 return toSM( error( COMPERR_BAD_SHAPE ));
1997 // find vertex 000 - the one with smallest coordinates (for easy DEBUG :-)
1999 double minVal = DBL_MAX, minX, val;
2000 for ( TopExp_Explorer exp( botSM->GetSubShape(), TopAbs_VERTEX );
2001 exp.More(); exp.Next() )
2003 const TopoDS_Vertex& v = TopoDS::Vertex( exp.Current() );
2004 gp_Pnt P = BRep_Tool::Pnt( v );
2005 val = P.X() + P.Y() + P.Z();
2006 if ( val < minVal || ( val == minVal && P.X() < minX )) {
2013 thePrism.myShape3D = shape3D;
2014 if ( thePrism.myBottom.IsNull() )
2015 thePrism.myBottom = TopoDS::Face( botSM->GetSubShape() );
2016 thePrism.myBottom.Orientation( myHelper->GetSubShapeOri( shape3D,
2017 thePrism.myBottom ));
2018 // Get ordered bottom edges
2019 TopoDS_Face reverseBottom = // to have order of top EDGEs as in the top FACE
2020 TopoDS::Face( thePrism.myBottom.Reversed() );
2021 SMESH_Block::GetOrderedEdges( reverseBottom,
2022 thePrism.myBottomEdges,
2023 thePrism.myNbEdgesInWires, V000 );
2025 // Get Wall faces corresponding to the ordered bottom edges and the top FACE
2026 if ( !getWallFaces( thePrism, nbFaces ))
2027 return false; //toSM( error(COMPERR_BAD_SHAPE, "Can't find side faces"));
2031 if ( !thePrism.myTop.IsSame( topSM->GetSubShape() ))
2033 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2034 "Non-quadrilateral faces are not opposite"));
2036 // check that the found top and bottom FACEs are opposite
2037 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
2038 for ( ; edge != thePrism.myBottomEdges.end(); ++edge )
2039 if ( myHelper->IsSubShape( *edge, thePrism.myTop ))
2041 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2042 "Non-quadrilateral faces are not opposite"));
2048 //================================================================================
2050 * \brief Initialization.
2051 * \param helper - helper loaded with mesh and 3D shape
2052 * \param thePrism - a prosm data
2053 * \retval bool - false if a mesh or a shape are KO
2055 //================================================================================
2057 bool StdMeshers_PrismAsBlock::Init(SMESH_MesherHelper* helper,
2058 const Prism_3D::TPrismTopo& thePrism)
2061 delete mySide; mySide = 0;
2063 vector< TSideFace* > sideFaces( NB_WALL_FACES, 0 );
2064 vector< pair< double, double> > params( NB_WALL_FACES );
2065 mySide = new TSideFace( sideFaces, params );
2068 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2070 SMESH_Block::init();
2071 myShapeIDMap.Clear();
2072 myShapeIndex2ColumnMap.clear();
2074 int wallFaceIds[ NB_WALL_FACES ] = { // to walk around a block
2075 SMESH_Block::ID_Fx0z, SMESH_Block::ID_F1yz,
2076 SMESH_Block::ID_Fx1z, SMESH_Block::ID_F0yz
2079 myError = SMESH_ComputeError::New();
2081 myNotQuadOnTop = thePrism.myNotQuadOnTop;
2083 // Find columns of wall nodes and calculate edges' lengths
2084 // --------------------------------------------------------
2086 myParam2ColumnMaps.clear();
2087 myParam2ColumnMaps.resize( thePrism.myBottomEdges.size() ); // total nb edges
2089 size_t iE, nbEdges = thePrism.myNbEdgesInWires.front(); // nb outer edges
2090 vector< double > edgeLength( nbEdges );
2091 multimap< double, int > len2edgeMap;
2093 list< TopoDS_Edge >::const_iterator edgeIt = thePrism.myBottomEdges.begin();
2094 for ( iE = 0; iE < nbEdges; ++iE, ++edgeIt )
2096 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2098 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2099 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2101 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2102 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2103 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2104 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2106 SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2107 SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2108 SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2110 edgeLength[ iE ] = SMESH_Algo::EdgeLength( *edgeIt );
2112 if ( nbEdges < NB_WALL_FACES ) // fill map used to split faces
2114 SMESHDS_SubMesh* smDS = meshDS->MeshElements( *edgeIt);
2116 return error(COMPERR_BAD_INPUT_MESH, TCom("Null submesh on the edge #")
2117 << MeshDS()->ShapeToIndex( *edgeIt ));
2118 len2edgeMap.insert( make_pair( edgeLength[ iE ], iE ));
2121 // Load columns of internal edges (forming holes)
2122 // and fill map ShapeIndex to TParam2ColumnMap for them
2123 for ( ; edgeIt != thePrism.myBottomEdges.end() ; ++edgeIt, ++iE )
2125 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2127 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2128 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2130 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2131 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2132 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2133 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2136 int id = MeshDS()->ShapeToIndex( *edgeIt );
2137 bool isForward = true; // meaningless for intenal wires
2138 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2139 // columns for vertices
2141 const SMDS_MeshNode* n0 = faceColumns.begin()->second.front();
2142 id = n0->getshapeId();
2143 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2145 const SMDS_MeshNode* n1 = faceColumns.rbegin()->second.front();
2146 id = n1->getshapeId();
2147 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2149 // SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2150 // SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2151 // SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2154 // Create 4 wall faces of a block
2155 // -------------------------------
2157 if ( nbEdges <= NB_WALL_FACES ) // ************* Split faces if necessary
2159 map< int, int > iE2nbSplit;
2160 if ( nbEdges != NB_WALL_FACES ) // define how to split
2162 if ( len2edgeMap.size() != nbEdges )
2163 RETURN_BAD_RESULT("Uniqueness of edge lengths not assured");
2164 map< double, int >::reverse_iterator maxLen_i = len2edgeMap.rbegin();
2165 map< double, int >::reverse_iterator midLen_i = ++len2edgeMap.rbegin();
2166 double maxLen = maxLen_i->first;
2167 double midLen = ( len2edgeMap.size() == 1 ) ? 0 : midLen_i->first;
2168 switch ( nbEdges ) {
2169 case 1: // 0-th edge is split into 4 parts
2170 iE2nbSplit.insert( make_pair( 0, 4 )); break;
2171 case 2: // either the longest edge is split into 3 parts, or both edges into halves
2172 if ( maxLen / 3 > midLen / 2 ) {
2173 iE2nbSplit.insert( make_pair( maxLen_i->second, 3 ));
2176 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2177 iE2nbSplit.insert( make_pair( midLen_i->second, 2 ));
2181 // split longest into halves
2182 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2185 // Create TSideFace's
2187 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2188 for ( iE = 0; iE < nbEdges; ++iE, ++botE )
2190 TFaceQuadStructPtr quad = thePrism.myWallQuads[ iE ].front();
2192 map< int, int >::iterator i_nb = iE2nbSplit.find( iE );
2193 if ( i_nb != iE2nbSplit.end() ) {
2195 int nbSplit = i_nb->second;
2196 vector< double > params;
2197 splitParams( nbSplit, &myParam2ColumnMaps[ iE ], params );
2198 const bool isForward =
2199 StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2200 myParam2ColumnMaps[iE],
2201 *botE, SMESH_Block::ID_Fx0z );
2202 for ( int i = 0; i < nbSplit; ++i ) {
2203 double f = ( isForward ? params[ i ] : params[ nbSplit - i-1 ]);
2204 double l = ( isForward ? params[ i+1 ] : params[ nbSplit - i ]);
2205 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2206 thePrism.myWallQuads[ iE ], *botE,
2207 &myParam2ColumnMaps[ iE ], f, l );
2208 mySide->SetComponent( iSide++, comp );
2212 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2213 thePrism.myWallQuads[ iE ], *botE,
2214 &myParam2ColumnMaps[ iE ]);
2215 mySide->SetComponent( iSide++, comp );
2219 else { // **************************** Unite faces
2221 // unite first faces
2222 int nbExraFaces = nbEdges - 3;
2224 double u0 = 0, sumLen = 0;
2225 for ( iE = 0; iE < nbExraFaces; ++iE )
2226 sumLen += edgeLength[ iE ];
2228 vector< TSideFace* > components( nbExraFaces );
2229 vector< pair< double, double> > params( nbExraFaces );
2230 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2231 for ( iE = 0; iE < nbExraFaces; ++iE, ++botE )
2233 components[ iE ] = new TSideFace( myHelper, wallFaceIds[ iSide ],
2234 thePrism.myWallQuads[ iE ], *botE,
2235 &myParam2ColumnMaps[ iE ]);
2236 double u1 = u0 + edgeLength[ iE ] / sumLen;
2237 params[ iE ] = make_pair( u0 , u1 );
2240 mySide->SetComponent( iSide++, new TSideFace( components, params ));
2242 // fill the rest faces
2243 for ( ; iE < nbEdges; ++iE, ++botE )
2245 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2246 thePrism.myWallQuads[ iE ], *botE,
2247 &myParam2ColumnMaps[ iE ]);
2248 mySide->SetComponent( iSide++, comp );
2253 // Fill geometry fields of SMESH_Block
2254 // ------------------------------------
2256 vector< int > botEdgeIdVec;
2257 SMESH_Block::GetFaceEdgesIDs( ID_BOT_FACE, botEdgeIdVec );
2259 bool isForward[NB_WALL_FACES] = { true, true, true, true };
2260 Adaptor2d_Curve2d* botPcurves[NB_WALL_FACES];
2261 Adaptor2d_Curve2d* topPcurves[NB_WALL_FACES];
2263 for ( int iF = 0; iF < NB_WALL_FACES; ++iF )
2265 TSideFace * sideFace = mySide->GetComponent( iF );
2267 RETURN_BAD_RESULT("NULL TSideFace");
2268 int fID = sideFace->FaceID(); // in-block ID
2270 // fill myShapeIDMap
2271 if ( sideFace->InsertSubShapes( myShapeIDMap ) != 8 &&
2272 !sideFace->IsComplex())
2273 MESSAGE( ": Warning : InsertSubShapes() < 8 on side " << iF );
2275 // side faces geometry
2276 Adaptor2d_Curve2d* pcurves[NB_WALL_FACES];
2277 if ( !sideFace->GetPCurves( pcurves ))
2278 RETURN_BAD_RESULT("TSideFace::GetPCurves() failed");
2280 SMESH_Block::TFace& tFace = myFace[ fID - ID_FirstF ];
2281 tFace.Set( fID, sideFace->Surface(), pcurves, isForward );
2283 SHOWYXZ( endl<<"F "<< iF << " id " << fID << " FRW " << sideFace->IsForward(), sideFace->Value(0,0));
2284 // edges 3D geometry
2285 vector< int > edgeIdVec;
2286 SMESH_Block::GetFaceEdgesIDs( fID, edgeIdVec );
2287 for ( int isMax = 0; isMax < 2; ++isMax ) {
2289 int eID = edgeIdVec[ isMax ];
2290 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2291 tEdge.Set( eID, sideFace->HorizCurve(isMax), true);
2292 SHOWYXZ(eID<<" HOR"<<isMax<<"(0)", sideFace->HorizCurve(isMax)->Value(0));
2293 SHOWYXZ(eID<<" HOR"<<isMax<<"(1)", sideFace->HorizCurve(isMax)->Value(1));
2296 int eID = edgeIdVec[ isMax+2 ];
2297 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2298 tEdge.Set( eID, sideFace->VertiCurve(isMax), true);
2299 SHOWYXZ(eID<<" VER"<<isMax<<"(0)", sideFace->VertiCurve(isMax)->Value(0));
2300 SHOWYXZ(eID<<" VER"<<isMax<<"(1)", sideFace->VertiCurve(isMax)->Value(1));
2303 vector< int > vertexIdVec;
2304 SMESH_Block::GetEdgeVertexIDs( eID, vertexIdVec );
2305 myPnt[ vertexIdVec[0] - ID_FirstV ] = tEdge.GetCurve()->Value(0).XYZ();
2306 myPnt[ vertexIdVec[1] - ID_FirstV ] = tEdge.GetCurve()->Value(1).XYZ();
2309 // pcurves on horizontal faces
2310 for ( iE = 0; iE < NB_WALL_FACES; ++iE ) {
2311 if ( edgeIdVec[ BOTTOM_EDGE ] == botEdgeIdVec[ iE ] ) {
2312 botPcurves[ iE ] = sideFace->HorizPCurve( false, thePrism.myBottom );
2313 topPcurves[ iE ] = sideFace->HorizPCurve( true, thePrism.myTop );
2317 //sideFace->dumpNodes( 4 ); // debug
2319 // horizontal faces geometry
2321 SMESH_Block::TFace& tFace = myFace[ ID_BOT_FACE - ID_FirstF ];
2322 tFace.Set( ID_BOT_FACE, new BRepAdaptor_Surface( thePrism.myBottom ), botPcurves, isForward );
2323 SMESH_Block::Insert( thePrism.myBottom, ID_BOT_FACE, myShapeIDMap );
2326 SMESH_Block::TFace& tFace = myFace[ ID_TOP_FACE - ID_FirstF ];
2327 tFace.Set( ID_TOP_FACE, new BRepAdaptor_Surface( thePrism.myTop ), topPcurves, isForward );
2328 SMESH_Block::Insert( thePrism.myTop, ID_TOP_FACE, myShapeIDMap );
2331 // Fill map ShapeIndex to TParam2ColumnMap
2332 // ----------------------------------------
2334 list< TSideFace* > fList;
2335 list< TSideFace* >::iterator fListIt;
2336 fList.push_back( mySide );
2337 for ( fListIt = fList.begin(); fListIt != fList.end(); ++fListIt)
2339 int nb = (*fListIt)->NbComponents();
2340 for ( int i = 0; i < nb; ++i ) {
2341 if ( TSideFace* comp = (*fListIt)->GetComponent( i ))
2342 fList.push_back( comp );
2344 if ( TParam2ColumnMap* cols = (*fListIt)->GetColumns()) {
2345 // columns for a base edge
2346 int id = MeshDS()->ShapeToIndex( (*fListIt)->BaseEdge() );
2347 bool isForward = (*fListIt)->IsForward();
2348 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2350 // columns for vertices
2351 const SMDS_MeshNode* n0 = cols->begin()->second.front();
2352 id = n0->getshapeId();
2353 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2355 const SMDS_MeshNode* n1 = cols->rbegin()->second.front();
2356 id = n1->getshapeId();
2357 myShapeIndex2ColumnMap[ id ] = make_pair( cols, !isForward );
2361 // gp_XYZ testPar(0.25, 0.25, 0), testCoord;
2362 // if ( !FacePoint( ID_BOT_FACE, testPar, testCoord ))
2363 // RETURN_BAD_RESULT("TEST FacePoint() FAILED");
2364 // SHOWYXZ("IN TEST PARAM" , testPar);
2365 // SHOWYXZ("OUT TEST CORD" , testCoord);
2366 // if ( !ComputeParameters( testCoord, testPar , ID_BOT_FACE))
2367 // RETURN_BAD_RESULT("TEST ComputeParameters() FAILED");
2368 // SHOWYXZ("OUT TEST PARAM" , testPar);
2373 //================================================================================
2375 * \brief Return pointer to column of nodes
2376 * \param node - bottom node from which the returned column goes up
2377 * \retval const TNodeColumn* - the found column
2379 //================================================================================
2381 const TNodeColumn* StdMeshers_PrismAsBlock::GetNodeColumn(const SMDS_MeshNode* node) const
2383 int sID = node->getshapeId();
2385 map<int, pair< TParam2ColumnMap*, bool > >::const_iterator col_frw =
2386 myShapeIndex2ColumnMap.find( sID );
2387 if ( col_frw != myShapeIndex2ColumnMap.end() ) {
2388 const TParam2ColumnMap* cols = col_frw->second.first;
2389 TParam2ColumnIt u_col = cols->begin();
2390 for ( ; u_col != cols->end(); ++u_col )
2391 if ( u_col->second[ 0 ] == node )
2392 return & u_col->second;
2397 //=======================================================================
2398 //function : GetLayersTransformation
2399 //purpose : Return transformations to get coordinates of nodes of each layer
2400 // by nodes of the bottom. Layer is a set of nodes at a certain step
2401 // from bottom to top.
2402 //=======================================================================
2404 bool StdMeshers_PrismAsBlock::GetLayersTransformation(vector<gp_Trsf> & trsf,
2405 const Prism_3D::TPrismTopo& prism) const
2407 const int zSize = VerticalSize();
2408 if ( zSize < 3 ) return true;
2409 trsf.resize( zSize - 2 );
2411 // Select some node columns by which we will define coordinate system of layers
2413 vector< const TNodeColumn* > columns;
2416 list< TopoDS_Edge >::const_iterator edgeIt = prism.myBottomEdges.begin();
2417 for ( int iE = 0; iE < prism.myNbEdgesInWires.front(); ++iE, ++edgeIt )
2419 if ( BRep_Tool::Degenerated( *edgeIt )) continue;
2420 const TParam2ColumnMap* u2colMap =
2421 GetParam2ColumnMap( MeshDS()->ShapeToIndex( *edgeIt ), isReverse );
2422 if ( !u2colMap ) return false;
2423 double f = u2colMap->begin()->first, l = u2colMap->rbegin()->first;
2424 //isReverse = ( edgeIt->Orientation() == TopAbs_REVERSED );
2425 //if ( isReverse ) swap ( f, l ); -- u2colMap takes orientation into account
2426 const int nbCol = 5;
2427 for ( int i = 0; i < nbCol; ++i )
2429 double u = f + i/double(nbCol) * ( l - f );
2430 const TNodeColumn* col = & getColumn( u2colMap, u )->second;
2431 if ( columns.empty() || col != columns.back() )
2432 columns.push_back( col );
2437 // Find tolerance to check transformations
2442 for ( int i = 0; i < columns.size(); ++i )
2443 bndBox.Add( gpXYZ( columns[i]->front() ));
2444 tol2 = bndBox.SquareExtent() * 1e-5;
2447 // Compute transformations
2450 gp_Trsf fromCsZ, toCs0;
2451 gp_Ax3 cs0 = getLayerCoordSys(0, columns, xCol );
2452 //double dist0 = cs0.Location().Distance( gpXYZ( (*columns[0])[0]));
2453 toCs0.SetTransformation( cs0 );
2454 for ( int z = 1; z < zSize-1; ++z )
2456 gp_Ax3 csZ = getLayerCoordSys(z, columns, xCol );
2457 //double distZ = csZ.Location().Distance( gpXYZ( (*columns[0])[z]));
2458 fromCsZ.SetTransformation( csZ );
2460 gp_Trsf& t = trsf[ z-1 ];
2461 t = fromCsZ * toCs0;
2462 //t.SetScaleFactor( distZ/dist0 ); - it does not work properly, wrong base point
2464 // check a transformation
2465 for ( int i = 0; i < columns.size(); ++i )
2467 gp_Pnt p0 = gpXYZ( (*columns[i])[0] );
2468 gp_Pnt pz = gpXYZ( (*columns[i])[z] );
2469 t.Transforms( p0.ChangeCoord() );
2470 if ( p0.SquareDistance( pz ) > tol2 )
2477 //================================================================================
2479 * \brief Check curve orientation of a bootom edge
2480 * \param meshDS - mesh DS
2481 * \param columnsMap - node columns map of side face
2482 * \param bottomEdge - the bootom edge
2483 * \param sideFaceID - side face in-block ID
2484 * \retval bool - true if orientation coinside with in-block forward orientation
2486 //================================================================================
2488 bool StdMeshers_PrismAsBlock::IsForwardEdge(SMESHDS_Mesh* meshDS,
2489 const TParam2ColumnMap& columnsMap,
2490 const TopoDS_Edge & bottomEdge,
2491 const int sideFaceID)
2493 bool isForward = false;
2494 if ( SMESH_MesherHelper::IsClosedEdge( bottomEdge ))
2496 isForward = ( bottomEdge.Orientation() == TopAbs_FORWARD );
2500 const TNodeColumn& firstCol = columnsMap.begin()->second;
2501 const SMDS_MeshNode* bottomNode = firstCol[0];
2502 TopoDS_Shape firstVertex = SMESH_MesherHelper::GetSubShapeByNode( bottomNode, meshDS );
2503 isForward = ( firstVertex.IsSame( TopExp::FirstVertex( bottomEdge, true )));
2505 // on 2 of 4 sides first vertex is end
2506 if ( sideFaceID == ID_Fx1z || sideFaceID == ID_F0yz )
2507 isForward = !isForward;
2511 //================================================================================
2513 * \brief Constructor
2514 * \param faceID - in-block ID
2515 * \param face - geom FACE
2516 * \param baseEdge - EDGE proreply oriented in the bottom EDGE !!!
2517 * \param columnsMap - map of node columns
2518 * \param first - first normalized param
2519 * \param last - last normalized param
2521 //================================================================================
2523 StdMeshers_PrismAsBlock::TSideFace::TSideFace(SMESH_MesherHelper* helper,
2525 const Prism_3D::TQuadList& quadList,
2526 const TopoDS_Edge& baseEdge,
2527 TParam2ColumnMap* columnsMap,
2531 myParamToColumnMap( columnsMap ),
2534 myParams.resize( 1 );
2535 myParams[ 0 ] = make_pair( first, last );
2536 mySurface = PSurface( new BRepAdaptor_Surface( quadList.front()->face ));
2537 myBaseEdge = baseEdge;
2538 myIsForward = StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2539 *myParamToColumnMap,
2541 if ( quadList.size() > 1 ) // side is vertically composite
2543 // fill myShapeID2Surf map to enable finding a right surface by any sub-shape ID
2545 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2547 TopTools_IndexedDataMapOfShapeListOfShape subToFaces;
2548 Prism_3D::TQuadList::const_iterator quad = quadList.begin();
2549 for ( ; quad != quadList.end(); ++quad )
2551 const TopoDS_Face& face = (*quad)->face;
2552 TopExp::MapShapesAndAncestors( face, TopAbs_VERTEX, TopAbs_FACE, subToFaces );
2553 TopExp::MapShapesAndAncestors( face, TopAbs_EDGE, TopAbs_FACE, subToFaces );
2554 myShapeID2Surf.insert( make_pair( meshDS->ShapeToIndex( face ),
2555 PSurface( new BRepAdaptor_Surface( face ))));
2557 for ( int i = 1; i <= subToFaces.Extent(); ++i )
2559 const TopoDS_Shape& sub = subToFaces.FindKey( i );
2560 TopTools_ListOfShape& faces = subToFaces( i );
2561 int subID = meshDS->ShapeToIndex( sub );
2562 int faceID = meshDS->ShapeToIndex( faces.First() );
2563 myShapeID2Surf.insert ( make_pair( subID, myShapeID2Surf[ faceID ]));
2568 //================================================================================
2570 * \brief Constructor of complex side face
2572 //================================================================================
2574 StdMeshers_PrismAsBlock::TSideFace::
2575 TSideFace(const vector< TSideFace* >& components,
2576 const vector< pair< double, double> > & params)
2577 :myID( components[0] ? components[0]->myID : 0 ),
2578 myParamToColumnMap( 0 ),
2580 myIsForward( true ),
2581 myComponents( components ),
2582 myHelper( components[0] ? components[0]->myHelper : 0 )
2584 //================================================================================
2586 * \brief Copy constructor
2587 * \param other - other side
2589 //================================================================================
2591 StdMeshers_PrismAsBlock::TSideFace::TSideFace( const TSideFace& other )
2594 mySurface = other.mySurface;
2595 myBaseEdge = other.myBaseEdge;
2596 myParams = other.myParams;
2597 myIsForward = other.myIsForward;
2598 myHelper = other.myHelper;
2599 myParamToColumnMap = other.myParamToColumnMap;
2601 myComponents.resize( other.myComponents.size());
2602 for (int i = 0 ; i < myComponents.size(); ++i )
2603 myComponents[ i ] = new TSideFace( *other.myComponents[ i ]);
2606 //================================================================================
2608 * \brief Deletes myComponents
2610 //================================================================================
2612 StdMeshers_PrismAsBlock::TSideFace::~TSideFace()
2614 for (int i = 0 ; i < myComponents.size(); ++i )
2615 if ( myComponents[ i ] )
2616 delete myComponents[ i ];
2619 //================================================================================
2621 * \brief Return geometry of the vertical curve
2622 * \param isMax - true means curve located closer to (1,1,1) block point
2623 * \retval Adaptor3d_Curve* - curve adaptor
2625 //================================================================================
2627 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::VertiCurve(const bool isMax) const
2629 if ( !myComponents.empty() ) {
2631 return myComponents.back()->VertiCurve(isMax);
2633 return myComponents.front()->VertiCurve(isMax);
2635 double f = myParams[0].first, l = myParams[0].second;
2636 if ( !myIsForward ) std::swap( f, l );
2637 return new TVerticalEdgeAdaptor( myParamToColumnMap, isMax ? l : f );
2640 //================================================================================
2642 * \brief Return geometry of the top or bottom curve
2644 * \retval Adaptor3d_Curve* -
2646 //================================================================================
2648 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::HorizCurve(const bool isTop) const
2650 return new THorizontalEdgeAdaptor( this, isTop );
2653 //================================================================================
2655 * \brief Return pcurves
2656 * \param pcurv - array of 4 pcurves
2657 * \retval bool - is a success
2659 //================================================================================
2661 bool StdMeshers_PrismAsBlock::TSideFace::GetPCurves(Adaptor2d_Curve2d* pcurv[4]) const
2663 int iEdge[ 4 ] = { BOTTOM_EDGE, TOP_EDGE, V0_EDGE, V1_EDGE };
2665 for ( int i = 0 ; i < 4 ; ++i ) {
2666 Handle(Geom2d_Line) line;
2667 switch ( iEdge[ i ] ) {
2669 line = new Geom2d_Line( gp_Pnt2d( 0, 1 ), gp::DX2d() ); break;
2671 line = new Geom2d_Line( gp::Origin2d(), gp::DX2d() ); break;
2673 line = new Geom2d_Line( gp::Origin2d(), gp::DY2d() ); break;
2675 line = new Geom2d_Line( gp_Pnt2d( 1, 0 ), gp::DY2d() ); break;
2677 pcurv[ i ] = new Geom2dAdaptor_Curve( line, 0, 1 );
2682 //================================================================================
2684 * \brief Returns geometry of pcurve on a horizontal face
2685 * \param isTop - is top or bottom face
2686 * \param horFace - a horizontal face
2687 * \retval Adaptor2d_Curve2d* - curve adaptor
2689 //================================================================================
2692 StdMeshers_PrismAsBlock::TSideFace::HorizPCurve(const bool isTop,
2693 const TopoDS_Face& horFace) const
2695 return new TPCurveOnHorFaceAdaptor( this, isTop, horFace );
2698 //================================================================================
2700 * \brief Return a component corresponding to parameter
2701 * \param U - parameter along a horizontal size
2702 * \param localU - parameter along a horizontal size of a component
2703 * \retval TSideFace* - found component
2705 //================================================================================
2707 StdMeshers_PrismAsBlock::TSideFace*
2708 StdMeshers_PrismAsBlock::TSideFace::GetComponent(const double U,double & localU) const
2711 if ( myComponents.empty() )
2712 return const_cast<TSideFace*>( this );
2715 for ( i = 0; i < myComponents.size(); ++i )
2716 if ( U < myParams[ i ].second )
2718 if ( i >= myComponents.size() )
2719 i = myComponents.size() - 1;
2721 double f = myParams[ i ].first, l = myParams[ i ].second;
2722 localU = ( U - f ) / ( l - f );
2723 return myComponents[ i ];
2726 //================================================================================
2728 * \brief Find node columns for a parameter
2729 * \param U - parameter along a horizontal edge
2730 * \param col1 - the 1st found column
2731 * \param col2 - the 2nd found column
2732 * \retval r - normalized position of U between the found columns
2734 //================================================================================
2736 double StdMeshers_PrismAsBlock::TSideFace::GetColumns(const double U,
2737 TParam2ColumnIt & col1,
2738 TParam2ColumnIt & col2) const
2740 double u = U, r = 0;
2741 if ( !myComponents.empty() ) {
2742 TSideFace * comp = GetComponent(U,u);
2743 return comp->GetColumns( u, col1, col2 );
2748 double f = myParams[0].first, l = myParams[0].second;
2749 u = f + u * ( l - f );
2751 col1 = col2 = getColumn( myParamToColumnMap, u );
2752 if ( ++col2 == myParamToColumnMap->end() ) {
2757 double uf = col1->first;
2758 double ul = col2->first;
2759 r = ( u - uf ) / ( ul - uf );
2764 //================================================================================
2766 * \brief Return coordinates by normalized params
2767 * \param U - horizontal param
2768 * \param V - vertical param
2769 * \retval gp_Pnt - result point
2771 //================================================================================
2773 gp_Pnt StdMeshers_PrismAsBlock::TSideFace::Value(const Standard_Real U,
2774 const Standard_Real V) const
2776 if ( !myComponents.empty() ) {
2778 TSideFace * comp = GetComponent(U,u);
2779 return comp->Value( u, V );
2782 TParam2ColumnIt u_col1, u_col2;
2783 double vR, hR = GetColumns( U, u_col1, u_col2 );
2785 const SMDS_MeshNode* nn[4];
2787 // BEGIN issue 0020680: Bad cell created by Radial prism in center of torus
2788 // Workaround for a wrongly located point returned by mySurface.Value() for
2789 // UV located near boundary of BSpline surface.
2790 // To bypass the problem, we take point from 3D curve of EDGE.
2791 // It solves pb of the bloc_fiss_new.py
2792 const double tol = 1e-3;
2793 if ( V < tol || V+tol >= 1. )
2795 nn[0] = V < tol ? u_col1->second.front() : u_col1->second.back();
2796 nn[2] = V < tol ? u_col2->second.front() : u_col2->second.back();
2804 TopoDS_Shape s = myHelper->GetSubShapeByNode( nn[0], myHelper->GetMeshDS() );
2805 if ( s.ShapeType() != TopAbs_EDGE )
2806 s = myHelper->GetSubShapeByNode( nn[2], myHelper->GetMeshDS() );
2807 if ( s.ShapeType() == TopAbs_EDGE )
2808 edge = TopoDS::Edge( s );
2810 if ( !edge.IsNull() )
2812 double u1 = myHelper->GetNodeU( edge, nn[0] );
2813 double u3 = myHelper->GetNodeU( edge, nn[2] );
2814 double u = u1 * ( 1 - hR ) + u3 * hR;
2815 TopLoc_Location loc; double f,l;
2816 Handle(Geom_Curve) curve = BRep_Tool::Curve( edge,loc,f,l );
2817 return curve->Value( u ).Transformed( loc );
2820 // END issue 0020680: Bad cell created by Radial prism in center of torus
2822 vR = getRAndNodes( & u_col1->second, V, nn[0], nn[1] );
2823 vR = getRAndNodes( & u_col2->second, V, nn[2], nn[3] );
2825 if ( !myShapeID2Surf.empty() ) // side is vertically composite
2827 // find a FACE on which the 4 nodes lie
2828 TSideFace* me = (TSideFace*) this;
2829 int notFaceID1 = 0, notFaceID2 = 0;
2830 for ( int i = 0; i < 4; ++i )
2831 if ( nn[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) // node on FACE
2833 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2837 else if ( notFaceID1 == 0 ) // node on EDGE or VERTEX
2839 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2840 notFaceID1 = nn[i]->getshapeId();
2842 else if ( notFaceID1 != nn[i]->getshapeId() ) // node on other EDGE or VERTEX
2844 if ( mySurface != me->myShapeID2Surf[ nn[i]->getshapeId() ])
2845 notFaceID2 = nn[i]->getshapeId();
2847 if ( notFaceID2 ) // no nodes of FACE and nodes are on different FACEs
2849 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2850 TopoDS_Shape face = myHelper->GetCommonAncestor( meshDS->IndexToShape( notFaceID1 ),
2851 meshDS->IndexToShape( notFaceID2 ),
2852 *myHelper->GetMesh(),
2854 if ( face.IsNull() )
2855 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() face.IsNull()");
2856 int faceID = meshDS->ShapeToIndex( face );
2857 me->mySurface = me->myShapeID2Surf[ faceID ];
2859 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() !mySurface");
2863 gp_XY uv1 = myHelper->GetNodeUV( mySurface->Face(), nn[0], nn[2]);
2864 gp_XY uv2 = myHelper->GetNodeUV( mySurface->Face(), nn[1], nn[3]);
2865 gp_XY uv12 = uv1 * ( 1 - vR ) + uv2 * vR;
2867 gp_XY uv3 = myHelper->GetNodeUV( mySurface->Face(), nn[2], nn[0]);
2868 gp_XY uv4 = myHelper->GetNodeUV( mySurface->Face(), nn[3], nn[1]);
2869 gp_XY uv34 = uv3 * ( 1 - vR ) + uv4 * vR;
2871 gp_XY uv = uv12 * ( 1 - hR ) + uv34 * hR;
2873 gp_Pnt p = mySurface->Value( uv.X(), uv.Y() );
2878 //================================================================================
2880 * \brief Return boundary edge
2881 * \param edge - edge index
2882 * \retval TopoDS_Edge - found edge
2884 //================================================================================
2886 TopoDS_Edge StdMeshers_PrismAsBlock::TSideFace::GetEdge(const int iEdge) const
2888 if ( !myComponents.empty() ) {
2890 case V0_EDGE : return myComponents.front()->GetEdge( iEdge );
2891 case V1_EDGE : return myComponents.back() ->GetEdge( iEdge );
2892 default: return TopoDS_Edge();
2896 const SMDS_MeshNode* node = 0;
2897 SMESHDS_Mesh * meshDS = myHelper->GetMesh()->GetMeshDS();
2898 TNodeColumn* column;
2903 column = & (( ++myParamToColumnMap->begin())->second );
2904 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2905 edge = myHelper->GetSubShapeByNode ( node, meshDS );
2906 if ( edge.ShapeType() == TopAbs_VERTEX ) {
2907 column = & ( myParamToColumnMap->begin()->second );
2908 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2913 bool back = ( iEdge == V1_EDGE );
2914 if ( !myIsForward ) back = !back;
2916 column = & ( myParamToColumnMap->rbegin()->second );
2918 column = & ( myParamToColumnMap->begin()->second );
2919 if ( column->size() > 0 )
2920 edge = myHelper->GetSubShapeByNode( (*column)[ 1 ], meshDS );
2921 if ( edge.IsNull() || edge.ShapeType() == TopAbs_VERTEX )
2922 node = column->front();
2927 if ( !edge.IsNull() && edge.ShapeType() == TopAbs_EDGE )
2928 return TopoDS::Edge( edge );
2930 // find edge by 2 vertices
2931 TopoDS_Shape V1 = edge;
2932 TopoDS_Shape V2 = myHelper->GetSubShapeByNode( node, meshDS );
2933 if ( !V2.IsNull() && V2.ShapeType() == TopAbs_VERTEX && !V2.IsSame( V1 ))
2935 TopoDS_Shape ancestor = myHelper->GetCommonAncestor( V1, V2, *myHelper->GetMesh(), TopAbs_EDGE);
2936 if ( !ancestor.IsNull() )
2937 return TopoDS::Edge( ancestor );
2939 return TopoDS_Edge();
2942 //================================================================================
2944 * \brief Fill block sub-shapes
2945 * \param shapeMap - map to fill in
2946 * \retval int - nb inserted sub-shapes
2948 //================================================================================
2950 int StdMeshers_PrismAsBlock::TSideFace::InsertSubShapes(TBlockShapes& shapeMap) const
2955 vector< int > edgeIdVec;
2956 SMESH_Block::GetFaceEdgesIDs( myID, edgeIdVec );
2958 for ( int i = BOTTOM_EDGE; i <=V1_EDGE ; ++i ) {
2959 TopoDS_Edge e = GetEdge( i );
2960 if ( !e.IsNull() ) {
2961 nbInserted += SMESH_Block::Insert( e, edgeIdVec[ i ], shapeMap);
2965 // Insert corner vertices
2967 TParam2ColumnIt col1, col2 ;
2968 vector< int > vertIdVec;
2971 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V0_EDGE ], vertIdVec);
2972 GetColumns(0, col1, col2 );
2973 const SMDS_MeshNode* node0 = col1->second.front();
2974 const SMDS_MeshNode* node1 = col1->second.back();
2975 TopoDS_Shape v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2976 TopoDS_Shape v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2977 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2978 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2980 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2981 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2985 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V1_EDGE ], vertIdVec);
2986 GetColumns(1, col1, col2 );
2987 node0 = col2->second.front();
2988 node1 = col2->second.back();
2989 v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2990 v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2991 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2992 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2994 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2995 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2998 // TopoDS_Vertex V0, V1, Vcom;
2999 // TopExp::Vertices( myBaseEdge, V0, V1, true );
3000 // if ( !myIsForward ) std::swap( V0, V1 );
3002 // // bottom vertex IDs
3003 // SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ _u0 ], vertIdVec);
3004 // SMESH_Block::Insert( V0, vertIdVec[ 0 ], shapeMap);
3005 // SMESH_Block::Insert( V1, vertIdVec[ 1 ], shapeMap);
3007 // TopoDS_Edge sideEdge = GetEdge( V0_EDGE );
3008 // if ( sideEdge.IsNull() || !TopExp::CommonVertex( botEdge, sideEdge, Vcom ))
3011 // // insert one side edge
3013 // if ( Vcom.IsSame( V0 )) edgeID = edgeIdVec[ _v0 ];
3014 // else edgeID = edgeIdVec[ _v1 ];
3015 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
3017 // // top vertex of the side edge
3018 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec);
3019 // TopoDS_Vertex Vtop = TopExp::FirstVertex( sideEdge );
3020 // if ( Vcom.IsSame( Vtop ))
3021 // Vtop = TopExp::LastVertex( sideEdge );
3022 // SMESH_Block::Insert( Vtop, vertIdVec[ 1 ], shapeMap);
3024 // // other side edge
3025 // sideEdge = GetEdge( V1_EDGE );
3026 // if ( sideEdge.IsNull() )
3028 // if ( edgeID = edgeIdVec[ _v1 ]) edgeID = edgeIdVec[ _v0 ];
3029 // else edgeID = edgeIdVec[ _v1 ];
3030 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
3033 // TopoDS_Edge topEdge = GetEdge( TOP_EDGE );
3034 // SMESH_Block::Insert( topEdge, edgeIdVec[ _u1 ], shapeMap);
3036 // // top vertex of the other side edge
3037 // if ( !TopExp::CommonVertex( topEdge, sideEdge, Vcom ))
3039 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec );
3040 // SMESH_Block::Insert( Vcom, vertIdVec[ 1 ], shapeMap);
3045 //================================================================================
3047 * \brief Dump ids of nodes of sides
3049 //================================================================================
3051 void StdMeshers_PrismAsBlock::TSideFace::dumpNodes(int nbNodes) const
3054 cout << endl << "NODES OF FACE "; SMESH_Block::DumpShapeID( myID, cout ) << endl;
3055 THorizontalEdgeAdaptor* hSize0 = (THorizontalEdgeAdaptor*) HorizCurve(0);
3056 cout << "Horiz side 0: "; hSize0->dumpNodes(nbNodes); cout << endl;
3057 THorizontalEdgeAdaptor* hSize1 = (THorizontalEdgeAdaptor*) HorizCurve(1);
3058 cout << "Horiz side 1: "; hSize1->dumpNodes(nbNodes); cout << endl;
3059 TVerticalEdgeAdaptor* vSide0 = (TVerticalEdgeAdaptor*) VertiCurve(0);
3060 cout << "Verti side 0: "; vSide0->dumpNodes(nbNodes); cout << endl;
3061 TVerticalEdgeAdaptor* vSide1 = (TVerticalEdgeAdaptor*) VertiCurve(1);
3062 cout << "Verti side 1: "; vSide1->dumpNodes(nbNodes); cout << endl;
3063 delete hSize0; delete hSize1; delete vSide0; delete vSide1;
3067 //================================================================================
3069 * \brief Creates TVerticalEdgeAdaptor
3070 * \param columnsMap - node column map
3071 * \param parameter - normalized parameter
3073 //================================================================================
3075 StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::
3076 TVerticalEdgeAdaptor( const TParam2ColumnMap* columnsMap, const double parameter)
3078 myNodeColumn = & getColumn( columnsMap, parameter )->second;
3081 //================================================================================
3083 * \brief Return coordinates for the given normalized parameter
3084 * \param U - normalized parameter
3085 * \retval gp_Pnt - coordinates
3087 //================================================================================
3089 gp_Pnt StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::Value(const Standard_Real U) const
3091 const SMDS_MeshNode* n1;
3092 const SMDS_MeshNode* n2;
3093 double r = getRAndNodes( myNodeColumn, U, n1, n2 );
3094 return gpXYZ(n1) * ( 1 - r ) + gpXYZ(n2) * r;
3097 //================================================================================
3099 * \brief Dump ids of nodes
3101 //================================================================================
3103 void StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::dumpNodes(int nbNodes) const
3106 for ( int i = 0; i < nbNodes && i < myNodeColumn->size(); ++i )
3107 cout << (*myNodeColumn)[i]->GetID() << " ";
3108 if ( nbNodes < myNodeColumn->size() )
3109 cout << myNodeColumn->back()->GetID();
3113 //================================================================================
3115 * \brief Return coordinates for the given normalized parameter
3116 * \param U - normalized parameter
3117 * \retval gp_Pnt - coordinates
3119 //================================================================================
3121 gp_Pnt StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::Value(const Standard_Real U) const
3123 return mySide->TSideFace::Value( U, myV );
3126 //================================================================================
3128 * \brief Dump ids of <nbNodes> first nodes and the last one
3130 //================================================================================
3132 void StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::dumpNodes(int nbNodes) const
3135 // Not bedugged code. Last node is sometimes incorrect
3136 const TSideFace* side = mySide;
3138 if ( mySide->IsComplex() )
3139 side = mySide->GetComponent(0,u);
3141 TParam2ColumnIt col, col2;
3142 TParam2ColumnMap* u2cols = side->GetColumns();
3143 side->GetColumns( u , col, col2 );
3145 int j, i = myV ? mySide->ColumnHeight()-1 : 0;
3147 const SMDS_MeshNode* n = 0;
3148 const SMDS_MeshNode* lastN
3149 = side->IsForward() ? u2cols->rbegin()->second[ i ] : u2cols->begin()->second[ i ];
3150 for ( j = 0; j < nbNodes && n != lastN; ++j )
3152 n = col->second[ i ];
3153 cout << n->GetID() << " ";
3154 if ( side->IsForward() )
3162 if ( mySide->IsComplex() )
3163 side = mySide->GetComponent(1,u);
3165 side->GetColumns( u , col, col2 );
3166 if ( n != col->second[ i ] )
3167 cout << col->second[ i ]->GetID();
3170 //================================================================================
3172 * \brief Return UV on pcurve for the given normalized parameter
3173 * \param U - normalized parameter
3174 * \retval gp_Pnt - coordinates
3176 //================================================================================
3178 gp_Pnt2d StdMeshers_PrismAsBlock::TPCurveOnHorFaceAdaptor::Value(const Standard_Real U) const
3180 TParam2ColumnIt u_col1, u_col2;
3181 double r = mySide->GetColumns( U, u_col1, u_col2 );
3182 gp_XY uv1 = mySide->GetNodeUV( myFace, u_col1->second[ myZ ]);
3183 gp_XY uv2 = mySide->GetNodeUV( myFace, u_col2->second[ myZ ]);
3184 return uv1 * ( 1 - r ) + uv2 * r;