1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // File : StdMeshers_Prism_3D.cxx
25 // Created : Fri Oct 20 11:37:07 2006
26 // Author : Edward AGAPOV (eap)
28 #include "StdMeshers_Prism_3D.hxx"
30 #include "SMDS_EdgePosition.hxx"
31 #include "SMDS_VolumeOfNodes.hxx"
32 #include "SMDS_VolumeTool.hxx"
33 #include "SMESH_Comment.hxx"
34 #include "SMESH_Gen.hxx"
35 #include "SMESH_HypoFilter.hxx"
36 #include "SMESH_MesherHelper.hxx"
37 #include "StdMeshers_FaceSide.hxx"
38 #include "StdMeshers_ProjectionSource1D.hxx"
39 #include "StdMeshers_ProjectionSource2D.hxx"
40 #include "StdMeshers_ProjectionUtils.hxx"
41 #include "StdMeshers_Projection_1D.hxx"
42 #include "StdMeshers_Projection_1D2D.hxx"
43 #include "StdMeshers_Quadrangle_2D.hxx"
45 #include "utilities.h"
47 #include <BRepAdaptor_CompCurve.hxx>
48 #include <BRep_Tool.hxx>
49 #include <Bnd_B3d.hxx>
50 #include <Geom2dAdaptor_Curve.hxx>
51 #include <Geom2d_Line.hxx>
52 #include <Geom_Curve.hxx>
54 #include <TopExp_Explorer.hxx>
55 #include <TopTools_ListIteratorOfListOfShape.hxx>
56 #include <TopTools_ListOfShape.hxx>
57 #include <TopTools_MapOfShape.hxx>
58 #include <TopTools_SequenceOfShape.hxx>
65 #define RETURN_BAD_RESULT(msg) { MESSAGE(")-: Error: " << msg); return false; }
66 #define gpXYZ(n) gp_XYZ(n->X(),n->Y(),n->Z())
67 #define SHOWYXZ(msg, xyz) // {\
69 // cout << msg << " ("<< p.X() << "; " <<p.Y() << "; " <<p.Z() << ") " <<endl;\
72 typedef StdMeshers_ProjectionUtils TAssocTool;
73 typedef SMESH_Comment TCom;
75 enum { ID_BOT_FACE = SMESH_Block::ID_Fxy0,
76 ID_TOP_FACE = SMESH_Block::ID_Fxy1,
77 BOTTOM_EDGE = 0, TOP_EDGE, V0_EDGE, V1_EDGE, // edge IDs in face
78 NB_WALL_FACES = 4 }; //
82 //=======================================================================
84 * \brief Quadrangle algorithm
86 struct TQuadrangleAlgo : public StdMeshers_Quadrangle_2D
88 TQuadrangleAlgo(int studyId, SMESH_Gen* gen)
89 : StdMeshers_Quadrangle_2D( gen->GetANewId(), studyId, gen)
92 static StdMeshers_Quadrangle_2D* instance( SMESH_Algo* fatherAlgo,
93 SMESH_MesherHelper* helper=0)
95 static TQuadrangleAlgo* algo = new TQuadrangleAlgo( fatherAlgo->GetStudyId(),
96 fatherAlgo->GetGen() );
99 algo->myProxyMesh->GetMesh() != helper->GetMesh() )
100 algo->myProxyMesh.reset( new SMESH_ProxyMesh( *helper->GetMesh() ));
102 algo->myQuadStruct.reset();
105 algo->_quadraticMesh = helper->GetIsQuadratic();
110 //=======================================================================
112 * \brief Algorithm projecting 1D mesh
114 struct TProjction1dAlgo : public StdMeshers_Projection_1D
116 StdMeshers_ProjectionSource1D myHyp;
118 TProjction1dAlgo(int studyId, SMESH_Gen* gen)
119 : StdMeshers_Projection_1D( gen->GetANewId(), studyId, gen),
120 myHyp( gen->GetANewId(), studyId, gen)
122 StdMeshers_Projection_1D::_sourceHypo = & myHyp;
124 static TProjction1dAlgo* instance( SMESH_Algo* fatherAlgo )
126 static TProjction1dAlgo* algo = new TProjction1dAlgo( fatherAlgo->GetStudyId(),
127 fatherAlgo->GetGen() );
131 //=======================================================================
133 * \brief Algorithm projecting 2D mesh
135 struct TProjction2dAlgo : public StdMeshers_Projection_1D2D
137 StdMeshers_ProjectionSource2D myHyp;
139 TProjction2dAlgo(int studyId, SMESH_Gen* gen)
140 : StdMeshers_Projection_1D2D( gen->GetANewId(), studyId, gen),
141 myHyp( gen->GetANewId(), studyId, gen)
143 StdMeshers_Projection_2D::_sourceHypo = & myHyp;
145 static TProjction2dAlgo* instance( SMESH_Algo* fatherAlgo )
147 static TProjction2dAlgo* algo = new TProjction2dAlgo( fatherAlgo->GetStudyId(),
148 fatherAlgo->GetGen() );
153 //================================================================================
155 * \brief Make \a botE be the BOTTOM_SIDE of \a quad.
156 * Return false if the BOTTOM_SIDE is composite
158 //================================================================================
160 bool setBottomEdge( const TopoDS_Edge& botE,
161 faceQuadStruct::Ptr& quad,
162 const TopoDS_Shape& face)
164 quad->side[ QUAD_TOP_SIDE ]->Reverse();
165 quad->side[ QUAD_LEFT_SIDE ]->Reverse();
167 for ( size_t i = 0; i < quad->side.size(); ++i )
169 StdMeshers_FaceSide* quadSide = quad->side[i];
170 for ( int iE = 0; iE < quadSide->NbEdges(); ++iE )
171 if ( botE.IsSame( quadSide->Edge( iE )))
173 if ( quadSide->NbEdges() > 1 )
176 i = quad->side.size(); // to quit from the outer loop
180 if ( edgeIndex != QUAD_BOTTOM_SIDE )
181 quad->shift( quad->side.size() - edgeIndex, /*keepUnitOri=*/false );
183 quad->face = TopoDS::Face( face );
188 //================================================================================
190 * \brief Return iterator pointing to node column for the given parameter
191 * \param columnsMap - node column map
192 * \param parameter - parameter
193 * \retval TParam2ColumnMap::iterator - result
195 * it returns closest left column
197 //================================================================================
199 TParam2ColumnIt getColumn( const TParam2ColumnMap* columnsMap,
200 const double parameter )
202 TParam2ColumnIt u_col = columnsMap->upper_bound( parameter );
203 if ( u_col != columnsMap->begin() )
205 return u_col; // return left column
208 //================================================================================
210 * \brief Return nodes around given parameter and a ratio
211 * \param column - node column
212 * \param param - parameter
213 * \param node1 - lower node
214 * \param node2 - upper node
215 * \retval double - ratio
217 //================================================================================
219 double getRAndNodes( const TNodeColumn* column,
221 const SMDS_MeshNode* & node1,
222 const SMDS_MeshNode* & node2)
224 if ( param >= 1.0 || column->size() == 1) {
225 node1 = node2 = column->back();
229 int i = int( param * ( column->size() - 1 ));
230 double u0 = double( i )/ double( column->size() - 1 );
231 double r = ( param - u0 ) * ( column->size() - 1 );
233 node1 = (*column)[ i ];
234 node2 = (*column)[ i + 1];
238 //================================================================================
240 * \brief Compute boundary parameters of face parts
241 * \param nbParts - nb of parts to split columns into
242 * \param columnsMap - node columns of the face to split
243 * \param params - computed parameters
245 //================================================================================
247 void splitParams( const int nbParts,
248 const TParam2ColumnMap* columnsMap,
249 vector< double > & params)
252 params.reserve( nbParts + 1 );
253 TParam2ColumnIt last_par_col = --columnsMap->end();
254 double par = columnsMap->begin()->first; // 0.
255 double parLast = last_par_col->first;
256 params.push_back( par );
257 for ( int i = 0; i < nbParts - 1; ++ i )
259 double partSize = ( parLast - par ) / double ( nbParts - i );
260 TParam2ColumnIt par_col = getColumn( columnsMap, par + partSize );
261 if ( par_col->first == par ) {
263 if ( par_col == last_par_col ) {
264 while ( i < nbParts - 1 )
265 params.push_back( par + partSize * i++ );
269 par = par_col->first;
270 params.push_back( par );
272 params.push_back( parLast ); // 1.
275 //================================================================================
277 * \brief Return coordinate system for z-th layer of nodes
279 //================================================================================
281 gp_Ax2 getLayerCoordSys(const int z,
282 const vector< const TNodeColumn* >& columns,
285 // gravity center of a layer
288 for ( int i = 0; i < columns.size(); ++i )
290 O += gpXYZ( (*columns[ i ])[ z ]);
291 if ( vertexCol < 0 &&
292 columns[ i ]->front()->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
299 int iPrev = columns.size()-1;
300 for ( int i = 0; i < columns.size(); ++i )
302 gp_Vec v1( O, gpXYZ( (*columns[ iPrev ])[ z ]));
303 gp_Vec v2( O, gpXYZ( (*columns[ i ] )[ z ]));
308 if ( vertexCol >= 0 )
310 O = gpXYZ( (*columns[ vertexCol ])[ z ]);
312 if ( xColumn < 0 || xColumn >= columns.size() )
314 // select a column for X dir
316 for ( int i = 0; i < columns.size(); ++i )
318 double dist = ( O - gpXYZ((*columns[ i ])[ z ])).SquareModulus();
319 if ( dist > maxDist )
328 gp_Vec X( O, gpXYZ( (*columns[ xColumn ])[ z ]));
330 return gp_Ax2( O, Z, X);
333 //================================================================================
335 * \brief Removes submeshes that are or can be meshed with regular grid from given list
336 * \retval int - nb of removed submeshes
338 //================================================================================
340 int removeQuasiQuads(list< SMESH_subMesh* >& notQuadSubMesh,
341 SMESH_MesherHelper* helper,
342 StdMeshers_Quadrangle_2D* quadAlgo)
345 //SMESHDS_Mesh* mesh = notQuadSubMesh.front()->GetFather()->GetMeshDS();
346 list< SMESH_subMesh* >::iterator smIt = notQuadSubMesh.begin();
347 while ( smIt != notQuadSubMesh.end() )
349 SMESH_subMesh* faceSm = *smIt;
350 SMESHDS_SubMesh* faceSmDS = faceSm->GetSubMeshDS();
351 int nbQuads = faceSmDS ? faceSmDS->NbElements() : 0;
354 toRemove = helper->IsStructured( faceSm );
356 toRemove = quadAlgo->CheckNbEdges( *helper->GetMesh(),
357 faceSm->GetSubShape() );
358 nbRemoved += toRemove;
360 smIt = notQuadSubMesh.erase( smIt );
370 //=======================================================================
371 //function : StdMeshers_Prism_3D
373 //=======================================================================
375 StdMeshers_Prism_3D::StdMeshers_Prism_3D(int hypId, int studyId, SMESH_Gen* gen)
376 :SMESH_3D_Algo(hypId, studyId, gen)
379 _shapeType = (1 << TopAbs_SOLID); // 1 bit per shape type
380 _onlyUnaryInput = false; // accept all SOLIDs at once
381 _requireDiscreteBoundary = false; // mesh FACEs and EDGEs by myself
382 _supportSubmeshes = true; // "source" FACE must be meshed by other algo
383 _neededLowerHyps[ 1 ] = true; // suppress warning on hiding a global 1D algo
384 _neededLowerHyps[ 2 ] = true; // suppress warning on hiding a global 2D algo
386 //myProjectTriangles = false;
387 mySetErrorToSM = true; // to pass an error to a sub-mesh of a current solid or not
390 //================================================================================
394 //================================================================================
396 StdMeshers_Prism_3D::~StdMeshers_Prism_3D()
399 //=======================================================================
400 //function : CheckHypothesis
402 //=======================================================================
404 bool StdMeshers_Prism_3D::CheckHypothesis(SMESH_Mesh& aMesh,
405 const TopoDS_Shape& aShape,
406 SMESH_Hypothesis::Hypothesis_Status& aStatus)
408 // Check shape geometry
410 aStatus = SMESH_Hypothesis::HYP_BAD_GEOMETRY;
412 // find not quadrangle faces
413 list< TopoDS_Shape > notQuadFaces;
414 int nbEdge, nbWire, nbFace = 0;
415 TopExp_Explorer exp( aShape, TopAbs_FACE );
416 for ( ; exp.More(); exp.Next() ) {
418 const TopoDS_Shape& face = exp.Current();
419 nbEdge = TAssocTool::Count( face, TopAbs_EDGE, 0 );
420 nbWire = TAssocTool::Count( face, TopAbs_WIRE, 0 );
421 if ( nbEdge!= 4 || nbWire!= 1 ) {
422 if ( !notQuadFaces.empty() ) {
423 if ( TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 ) != nbEdge ||
424 TAssocTool::Count( notQuadFaces.back(), TopAbs_WIRE, 0 ) != nbWire )
425 RETURN_BAD_RESULT("Different not quad faces");
427 notQuadFaces.push_back( face );
430 if ( !notQuadFaces.empty() )
432 if ( notQuadFaces.size() != 2 )
433 RETURN_BAD_RESULT("Bad nb not quad faces: " << notQuadFaces.size());
435 // check total nb faces
436 nbEdge = TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 );
437 if ( nbFace != nbEdge + 2 )
438 RETURN_BAD_RESULT("Bad nb of faces: " << nbFace << " but must be " << nbEdge + 2);
442 aStatus = SMESH_Hypothesis::HYP_OK;
446 //=======================================================================
448 //purpose : Compute mesh on a COMPOUND of SOLIDs
449 //=======================================================================
451 bool StdMeshers_Prism_3D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape)
453 SMESH_MesherHelper helper( theMesh );
456 int nbSolids = helper.Count( theShape, TopAbs_SOLID, /*skipSame=*/false );
460 Prism_3D::TPrismTopo prism;
464 return ( initPrism( prism, TopExp_Explorer( theShape, TopAbs_SOLID ).Current() ) &&
468 TopTools_IndexedDataMapOfShapeListOfShape faceToSolids;
469 TopExp::MapShapesAndAncestors( theShape, TopAbs_FACE, TopAbs_SOLID, faceToSolids );
471 // look for meshed FACEs ("source" FACEs) that must be prism bottoms
472 list< TopoDS_Face > meshedFaces;//, notQuadMeshedFaces, notQuadFaces;
473 const bool meshHasQuads = ( theMesh.NbQuadrangles() > 0 );
474 for ( int iF = 1; iF < faceToSolids.Extent(); ++iF )
476 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
477 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
478 if ( !faceSM->IsEmpty() )
480 if ( !meshHasQuads ||
481 !helper.IsSameElemGeometry( faceSM->GetSubMeshDS(), SMDSGeom_QUADRANGLE ) ||
482 !helper.IsStructured( faceSM ))
483 // notQuadMeshedFaces are of higher priority
484 meshedFaces.push_front( face );
486 meshedFaces.push_back( face );
489 //meshedFaces.splice( meshedFaces.begin(), notQuadMeshedFaces );
491 // if ( meshedFaces.empty() )
492 // return error( COMPERR_BAD_INPUT_MESH, "No meshed source faces found" );
494 TopTools_MapOfShape meshedSolids;
495 list< Prism_3D::TPrismTopo > meshedPrism;
496 TopTools_ListIteratorOfListOfShape solidIt;
498 while ( meshedSolids.Extent() < nbSolids )
500 if ( _computeCanceled )
501 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
503 // compute prisms having avident computed source FACE
504 while ( !meshedFaces.empty() )
506 TopoDS_Face face = meshedFaces.front();
507 meshedFaces.pop_front();
508 TopTools_ListOfShape& solidList = faceToSolids.ChangeFromKey( face );
509 while ( !solidList.IsEmpty() )
511 TopoDS_Shape solid = solidList.First();
512 solidList.RemoveFirst();
513 if ( meshedSolids.Add( solid ))
516 prism.myBottom = face;
517 if ( !initPrism( prism, solid ) ||
521 meshedFaces.push_front( prism.myTop );
522 meshedPrism.push_back( prism );
526 if ( meshedSolids.Extent() == nbSolids )
529 // below in the loop we try to find source FACEs somehow
531 // project mesh from source FACEs of computed prisms to
532 // prisms sharing wall FACEs
533 list< Prism_3D::TPrismTopo >::iterator prismIt = meshedPrism.begin();
534 for ( ; prismIt != meshedPrism.end(); ++prismIt )
536 for ( size_t iW = 0; iW < prismIt->myWallQuads.size(); ++iW )
538 Prism_3D::TQuadList::iterator wQuad = prismIt->myWallQuads[iW].begin();
539 for ( ; wQuad != prismIt->myWallQuads[iW].end(); ++ wQuad )
541 const TopoDS_Face& wFace = (*wQuad)->face;
542 TopTools_ListOfShape& solidList = faceToSolids.ChangeFromKey( wFace );
543 solidIt.Initialize( solidList );
544 while ( solidIt.More() )
546 const TopoDS_Shape& solid = solidIt.Value();
547 if ( meshedSolids.Contains( solid )) {
548 solidList.Remove( solidIt );
549 continue; // already computed prism
551 // find a source FACE of the SOLID: it's a FACE sharing a bottom EDGE with wFace
552 const TopoDS_Edge& wEdge = (*wQuad)->side[ QUAD_TOP_SIDE ]->Edge(0);
553 PShapeIteratorPtr faceIt = myHelper->GetAncestors( wEdge, *myHelper->GetMesh(),
555 while ( const TopoDS_Shape* f = faceIt->next() )
557 const TopoDS_Face& candidateF = TopoDS::Face( *f );
559 prism.myBottom = candidateF;
560 mySetErrorToSM = false;
561 if ( !myHelper->IsSubShape( candidateF, prismIt->myShape3D ) &&
562 !myHelper->GetMesh()->GetSubMesh( candidateF )->IsMeshComputed() &&
563 initPrism( prism, solid ) &&
564 project2dMesh( prismIt->myBottom, candidateF))
566 mySetErrorToSM = true;
567 if ( !compute( prism ))
569 meshedFaces.push_front( prism.myTop );
570 meshedFaces.push_front( prism.myBottom );
571 meshedPrism.push_back( prism );
572 meshedSolids.Add( solid );
576 mySetErrorToSM = true;
578 if ( meshedSolids.Contains( solid ))
579 solidList.Remove( solidIt );
585 if ( !meshedFaces.empty() )
586 break; // to compute prisms with avident sources
589 // find FACEs with local 1D hyps, which has to be computed by now,
590 // or at least any computed FACEs
591 for ( int iF = 1; ( meshedFaces.empty() && iF < faceToSolids.Extent() ); ++iF )
593 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
594 const TopTools_ListOfShape& solidList = faceToSolids.FindFromKey( face );
595 if ( solidList.IsEmpty() ) continue;
596 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
597 if ( !faceSM->IsEmpty() )
599 meshedFaces.push_back( face ); // lower priority
603 bool allSubMeComputed = true;
604 SMESH_subMeshIteratorPtr smIt = faceSM->getDependsOnIterator(false,true);
605 while ( smIt->more() && allSubMeComputed )
606 allSubMeComputed = smIt->next()->IsMeshComputed();
607 if ( allSubMeComputed )
609 faceSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
610 if ( !faceSM->IsEmpty() )
611 meshedFaces.push_front( face ); // higher priority
613 faceSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
619 // TODO. there are other ways to find out the source FACE:
620 // propagation, topological similarity, ect.
623 if ( meshedFaces.empty() ) // set same error to 10 not-computed solids
625 SMESH_ComputeErrorPtr err = SMESH_ComputeError::New
626 ( COMPERR_BAD_INPUT_MESH, "No meshed source face found", this );
628 const int maxNbErrors = 10; // limit nb errors not to overload the Compute dialog
629 TopExp_Explorer solid( theShape, TopAbs_SOLID );
630 for ( int i = 0; ( i < maxNbErrors && solid.More() ); ++i, solid.Next() )
631 if ( !meshedSolids.Contains( solid.Current() ))
633 SMESH_subMesh* sm = theMesh.GetSubMesh( solid.Current() );
634 sm->GetComputeError() = err;
642 //================================================================================
644 * \brief Find wall faces by bottom edges
646 //================================================================================
648 bool StdMeshers_Prism_3D::getWallFaces( Prism_3D::TPrismTopo & thePrism,
649 const int totalNbFaces)
651 thePrism.myWallQuads.clear();
653 SMESH_Mesh* mesh = myHelper->GetMesh();
655 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, myHelper );
657 TopTools_MapOfShape faceMap;
658 TopTools_IndexedDataMapOfShapeListOfShape edgeToFaces;
659 TopExp::MapShapesAndAncestors( thePrism.myShape3D,
660 TopAbs_EDGE, TopAbs_FACE, edgeToFaces );
662 // ------------------------------
663 // Get the 1st row of wall FACEs
664 // ------------------------------
666 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
667 std::list< int >::iterator nbE = thePrism.myNbEdgesInWires.begin();
669 while ( edge != thePrism.myBottomEdges.end() )
672 if ( BRep_Tool::Degenerated( *edge ))
674 edge = thePrism.myBottomEdges.erase( edge );
680 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( *edge ));
681 for ( ; faceIt.More(); faceIt.Next() )
683 const TopoDS_Face& face = TopoDS::Face( faceIt.Value() );
684 if ( !thePrism.myBottom.IsSame( face ))
686 Prism_3D::TQuadList quadList( 1, quadAlgo->CheckNbEdges( *mesh, face ));
687 if ( !quadList.back() )
688 return toSM( error(TCom("Side face #") << shapeID( face )
689 << " not meshable with quadrangles"));
690 if ( ! setBottomEdge( *edge, quadList.back(), face ))
691 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
692 thePrism.myWallQuads.push_back( quadList );
706 // -------------------------
707 // Find the rest wall FACEs
708 // -------------------------
710 // Compose a vector of indixes of right neighbour FACE for each wall FACE
711 // that is not so evident in case of several WIREs
712 thePrism.myRightQuadIndex.clear();
713 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
714 thePrism.myRightQuadIndex.push_back( i+1 );
715 list< int >::iterator nbEinW = thePrism.myNbEdgesInWires.begin();
716 for ( int iLeft = 0; nbEinW != thePrism.myNbEdgesInWires.end(); ++nbEinW )
718 thePrism.myRightQuadIndex[ iLeft + *nbEinW - 1 ] = iLeft; // 1st EDGE index of a current WIRE
722 while ( totalNbFaces - faceMap.Extent() > 2 )
724 // find wall FACEs adjacent to each of wallQuads by the right side EDGE
727 nbKnownFaces = faceMap.Extent();
728 StdMeshers_FaceSide *rightSide, *topSide; // sides of the quad
729 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
731 rightSide = thePrism.myWallQuads[i].back()->side[ QUAD_RIGHT_SIDE ];
732 for ( int iE = 0; iE < rightSide->NbEdges(); ++iE ) // rightSide can be composite
734 const TopoDS_Edge & rightE = rightSide->Edge( iE );
735 TopTools_ListIteratorOfListOfShape face( edgeToFaces.FindFromKey( rightE ));
736 for ( ; face.More(); face.Next() )
737 if ( faceMap.Add( face.Value() ))
739 // a new wall FACE encountered, store it in thePrism.myWallQuads
740 const int iRight = thePrism.myRightQuadIndex[i];
741 topSide = thePrism.myWallQuads[ iRight ].back()->side[ QUAD_TOP_SIDE ];
742 const TopoDS_Edge& newBotE = topSide->Edge(0);
743 const TopoDS_Shape& newWallF = face.Value();
744 thePrism.myWallQuads[ iRight ].push_back( quadAlgo->CheckNbEdges( *mesh, newWallF ));
745 if ( !thePrism.myWallQuads[ iRight ].back() )
746 return toSM( error(TCom("Side face #") << shapeID( newWallF ) <<
747 " not meshable with quadrangles"));
748 if ( ! setBottomEdge( newBotE, thePrism.myWallQuads[ iRight ].back(), newWallF ))
749 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
753 } while ( nbKnownFaces != faceMap.Extent() );
755 // find wall FACEs adjacent to each of thePrism.myWallQuads by the top side EDGE
756 if ( totalNbFaces - faceMap.Extent() > 2 )
758 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
760 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
761 const TopoDS_Edge & topE = topSide->Edge( 0 );
762 if ( topSide->NbEdges() > 1 )
763 return toSM( error(COMPERR_BAD_SHAPE, TCom("Side face #") <<
764 shapeID( thePrism.myWallQuads[i].back()->face )
765 << " has a composite top edge"));
766 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( topE ));
767 for ( ; faceIt.More(); faceIt.Next() )
768 if ( faceMap.Add( faceIt.Value() ))
770 // a new wall FACE encountered, store it in wallQuads
771 thePrism.myWallQuads[ i ].push_back( quadAlgo->CheckNbEdges( *mesh, faceIt.Value() ));
772 if ( !thePrism.myWallQuads[ i ].back() )
773 return toSM( error(TCom("Side face #") << shapeID( faceIt.Value() ) <<
774 " not meshable with quadrangles"));
775 if ( ! setBottomEdge( topE, thePrism.myWallQuads[ i ].back(), faceIt.Value() ))
776 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
777 if ( totalNbFaces - faceMap.Extent() == 2 )
779 i = thePrism.myWallQuads.size(); // to quit from the outer loop
785 } // while ( totalNbFaces - faceMap.Extent() > 2 )
787 // ------------------
789 // ------------------
791 if ( thePrism.myTop.IsNull() )
793 // now only top and bottom FACEs are not in the faceMap
794 faceMap.Add( thePrism.myBottom );
795 for ( TopExp_Explorer f( thePrism.myShape3D, TopAbs_FACE );f.More(); f.Next() )
796 if ( !faceMap.Contains( f.Current() )) {
797 thePrism.myTop = TopoDS::Face( f.Current() );
800 if ( thePrism.myTop.IsNull() )
801 return toSM( error("Top face not found"));
804 // Check that the top FACE shares all the top EDGEs
805 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
807 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
808 const TopoDS_Edge & topE = topSide->Edge( 0 );
809 if ( !myHelper->IsSubShape( topE, thePrism.myTop ))
810 return toSM( error( TCom("Wrong source face (#") << shapeID( thePrism.myBottom )));
816 //=======================================================================
818 //purpose : Compute mesh on a SOLID
819 //=======================================================================
821 bool StdMeshers_Prism_3D::compute(const Prism_3D::TPrismTopo& thePrism)
823 myHelper->IsQuadraticSubMesh( thePrism.myShape3D );
824 if ( _computeCanceled )
825 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
827 // Make all side FACEs of thePrism meshed with quads
828 if ( !computeWalls( thePrism ))
831 // Analyse mesh and geometry to find block sub-shapes and submeshes
832 if ( !myBlock.Init( myHelper, thePrism ))
833 return toSM( error( myBlock.GetError()));
835 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
837 int volumeID = meshDS->ShapeToIndex( thePrism.myShape3D );
840 // To compute coordinates of a node inside a block, it is necessary to know
841 // 1. normalized parameters of the node by which
842 // 2. coordinates of node projections on all block sub-shapes are computed
844 // So we fill projections on vertices at once as they are same for all nodes
845 myShapeXYZ.resize( myBlock.NbSubShapes() );
846 for ( int iV = SMESH_Block::ID_FirstV; iV < SMESH_Block::ID_FirstE; ++iV ) {
847 myBlock.VertexPoint( iV, myShapeXYZ[ iV ]);
848 SHOWYXZ("V point " <<iV << " ", myShapeXYZ[ iV ]);
851 // Projections on the top and bottom faces are taken from nodes existing
852 // on these faces; find correspondence between bottom and top nodes
853 myBotToColumnMap.clear();
854 if ( !assocOrProjBottom2Top() ) // it also fills myBotToColumnMap
858 // Create nodes inside the block
860 // try to use transformation (issue 0020680)
861 vector<gp_Trsf> trsf;
862 if ( myBlock.GetLayersTransformation( trsf, thePrism ))
864 // loop on nodes inside the bottom face
865 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
866 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
868 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
869 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
870 continue; // node is not inside face
872 // column nodes; middle part of the column are zero pointers
873 TNodeColumn& column = bot_column->second;
874 TNodeColumn::iterator columnNodes = column.begin();
875 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
877 const SMDS_MeshNode* & node = *columnNodes;
878 if ( node ) continue; // skip bottom or top node
880 gp_XYZ coords = tBotNode.GetCoords();
881 trsf[z-1].Transforms( coords );
882 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
883 meshDS->SetNodeInVolume( node, volumeID );
885 } // loop on bottom nodes
887 else // use block approach
889 // loop on nodes inside the bottom face
890 Prism_3D::TNode prevBNode;
891 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
892 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
894 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
895 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
896 continue; // node is not inside face
898 // column nodes; middle part of the column are zero pointers
899 TNodeColumn& column = bot_column->second;
901 // compute bottom node parameters
902 gp_XYZ paramHint(-1,-1,-1);
903 if ( prevBNode.IsNeighbor( tBotNode ))
904 paramHint = prevBNode.GetParams();
905 if ( !myBlock.ComputeParameters( tBotNode.GetCoords(), tBotNode.ChangeParams(),
906 ID_BOT_FACE, paramHint ))
907 return toSM( error(TCom("Can't compute normalized parameters for node ")
908 << tBotNode.myNode->GetID() << " on the face #"
909 << myBlock.SubMesh( ID_BOT_FACE )->GetId() ));
910 prevBNode = tBotNode;
912 myShapeXYZ[ ID_BOT_FACE ] = tBotNode.GetCoords();
913 gp_XYZ botParams = tBotNode.GetParams();
915 // compute top node parameters
916 myShapeXYZ[ ID_TOP_FACE ] = gpXYZ( column.back() );
917 gp_XYZ topParams = botParams;
919 if ( column.size() > 2 ) {
920 gp_Pnt topCoords = myShapeXYZ[ ID_TOP_FACE ];
921 if ( !myBlock.ComputeParameters( topCoords, topParams, ID_TOP_FACE, topParams ))
922 return toSM( error(TCom("Can't compute normalized parameters ")
923 << "for node " << column.back()->GetID()
924 << " on the face #"<< column.back()->getshapeId() ));
928 TNodeColumn::iterator columnNodes = column.begin();
929 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
931 const SMDS_MeshNode* & node = *columnNodes;
932 if ( node ) continue; // skip bottom or top node
934 // params of a node to create
935 double rz = (double) z / (double) ( column.size() - 1 );
936 gp_XYZ params = botParams * ( 1 - rz ) + topParams * rz;
938 // set coords on all faces and nodes
939 const int nbSideFaces = 4;
940 int sideFaceIDs[nbSideFaces] = { SMESH_Block::ID_Fx0z,
941 SMESH_Block::ID_Fx1z,
942 SMESH_Block::ID_F0yz,
943 SMESH_Block::ID_F1yz };
944 for ( int iF = 0; iF < nbSideFaces; ++iF )
945 if ( !setFaceAndEdgesXYZ( sideFaceIDs[ iF ], params, z ))
948 // compute coords for a new node
950 if ( !SMESH_Block::ShellPoint( params, myShapeXYZ, coords ))
951 return toSM( error("Can't compute coordinates by normalized parameters"));
953 SHOWYXZ("TOPFacePoint ",myShapeXYZ[ ID_TOP_FACE]);
954 SHOWYXZ("BOT Node "<< tBotNode.myNode->GetID(),gpXYZ(tBotNode.myNode));
955 SHOWYXZ("ShellPoint ",coords);
958 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
959 meshDS->SetNodeInVolume( node, volumeID );
961 } // loop on bottom nodes
966 SMESHDS_SubMesh* smDS = myBlock.SubMeshDS( ID_BOT_FACE );
967 if ( !smDS ) return toSM( error(COMPERR_BAD_INPUT_MESH, "Null submesh"));
969 // loop on bottom mesh faces
970 SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
971 while ( faceIt->more() )
973 const SMDS_MeshElement* face = faceIt->next();
974 if ( !face || face->GetType() != SMDSAbs_Face )
977 // find node columns for each node
978 int nbNodes = face->NbCornerNodes();
979 vector< const TNodeColumn* > columns( nbNodes );
980 for ( int i = 0; i < nbNodes; ++i )
982 const SMDS_MeshNode* n = face->GetNode( i );
983 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
984 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
985 if ( bot_column == myBotToColumnMap.end() )
986 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
987 columns[ i ] = & bot_column->second;
990 columns[ i ] = myBlock.GetNodeColumn( n );
992 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
996 AddPrisms( columns, myHelper );
998 } // loop on bottom mesh faces
1001 myBotToColumnMap.clear();
1007 //=======================================================================
1008 //function : computeWalls
1009 //purpose : Compute 2D mesh on walls FACEs of a prism
1010 //=======================================================================
1012 bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
1014 SMESH_Mesh* mesh = myHelper->GetMesh();
1015 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
1017 TProjction1dAlgo* projector1D = TProjction1dAlgo::instance( this );
1018 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, myHelper );
1020 SMESH_HypoFilter hyp1dFilter( SMESH_HypoFilter::IsAlgo(),/*not=*/true);
1021 hyp1dFilter.And( SMESH_HypoFilter::HasDim( 1 ));
1022 hyp1dFilter.And( SMESH_HypoFilter::IsMoreLocalThan( thePrism.myShape3D, *mesh ));
1024 // Discretize equally 'vertical' EDGEs
1025 // -----------------------------------
1026 // find source FACE sides for projection: either already computed ones or
1027 // the 'most composite' ones
1028 multimap< int, int > wgt2quad;
1029 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1031 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1032 int wgt = 0; // "weight"
1033 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1035 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ];
1036 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1039 const TopoDS_Edge& E = lftSide->Edge(i);
1040 if ( mesh->GetSubMesh( E )->IsMeshComputed() )
1042 else if ( mesh->GetHypothesis( E, hyp1dFilter, true )) // local hypothesis!
1046 wgt2quad.insert( make_pair( wgt, iW ));
1048 // in quadratic mesh, pass ignoreMediumNodes to quad sides
1049 if ( myHelper->GetIsQuadratic() )
1051 quad = thePrism.myWallQuads[iW].begin();
1052 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1053 for ( int i = 0; i < NB_QUAD_SIDES; ++i )
1054 (*quad)->side[ i ]->SetIgnoreMediumNodes( true );
1058 // Project 'vertical' EDGEs, from left to right
1059 multimap< int, int >::reverse_iterator w2q = wgt2quad.rbegin();
1060 for ( ; w2q != wgt2quad.rend(); ++w2q )
1062 const int iW = w2q->second;
1063 const Prism_3D::TQuadList& quads = thePrism.myWallQuads[ iW ];
1064 Prism_3D::TQuadList::const_iterator quad = quads.begin();
1065 for ( ; quad != quads.end(); ++quad )
1067 StdMeshers_FaceSide* rgtSide = (*quad)->side[ QUAD_RIGHT_SIDE ]; // tgt
1068 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ]; // src
1069 bool swapLeftRight = ( lftSide->NbSegments( /*update=*/true ) == 0 &&
1070 rgtSide->NbSegments( /*update=*/true ) > 0 );
1071 if ( swapLeftRight )
1072 std::swap( lftSide, rgtSide );
1074 // assure that all the source (left) EDGEs are meshed
1075 int nbSrcSegments = 0;
1076 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1078 const TopoDS_Edge& srcE = lftSide->Edge(i);
1079 SMESH_subMesh* srcSM = mesh->GetSubMesh( srcE );
1080 if ( !srcSM->IsMeshComputed() ) {
1081 srcSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1082 srcSM->ComputeStateEngine ( SMESH_subMesh::COMPUTE );
1083 if ( !srcSM->IsMeshComputed() )
1086 nbSrcSegments += srcSM->GetSubMeshDS()->NbElements();
1088 // check target EDGEs
1089 int nbTgtMeshed = 0, nbTgtSegments = 0;
1090 vector< bool > isTgtEdgeComputed( rgtSide->NbEdges() );
1091 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1093 const TopoDS_Edge& tgtE = rgtSide->Edge(i);
1094 SMESH_subMesh* tgtSM = mesh->GetSubMesh( tgtE );
1095 if (( isTgtEdgeComputed[ i ] = tgtSM->IsMeshComputed() )) {
1097 nbTgtSegments += tgtSM->GetSubMeshDS()->NbElements();
1100 if ( rgtSide->NbEdges() == nbTgtMeshed ) // all tgt EDGEs meshed
1102 if ( nbTgtSegments != nbSrcSegments )
1104 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1105 addBadInputElements( meshDS->MeshElements( lftSide->Edge( i )));
1106 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1107 addBadInputElements( meshDS->MeshElements( rgtSide->Edge( i )));
1108 return toSM( error( TCom("Different nb of segment on logically vertical edges #")
1109 << shapeID( lftSide->Edge(0) ) << " and #"
1110 << shapeID( rgtSide->Edge(0) ) << ": "
1111 << nbSrcSegments << " != " << nbTgtSegments ));
1116 if ( nbTgtMeshed == 0 )
1118 // compute nodes on target VERTEXes
1119 const UVPtStructVec& srcNodeStr = lftSide->GetUVPtStruct();
1120 if ( srcNodeStr.size() == 0 )
1121 return toSM( error( TCom("Invalid node positions on edge #") <<
1122 shapeID( lftSide->Edge(0) )));
1123 vector< SMDS_MeshNode* > newNodes( srcNodeStr.size() );
1124 for ( int is2ndV = 0; is2ndV < 2; ++is2ndV )
1126 const TopoDS_Edge& E = rgtSide->Edge( is2ndV ? rgtSide->NbEdges()-1 : 0 );
1127 TopoDS_Vertex v = myHelper->IthVertex( is2ndV, E );
1128 mesh->GetSubMesh( v )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1129 const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, meshDS );
1130 newNodes[ is2ndV ? 0 : newNodes.size()-1 ] = (SMDS_MeshNode*) n;
1133 // compute nodes on target EDGEs
1134 rgtSide->Reverse(); // direct it same as the lftSide
1135 myHelper->SetElementsOnShape( false );
1136 TopoDS_Edge tgtEdge;
1137 for ( size_t iN = 1; iN < srcNodeStr.size()-1; ++iN ) // add nodes
1139 gp_Pnt p = rgtSide->Value3d ( srcNodeStr[ iN ].normParam );
1140 double u = rgtSide->Parameter( srcNodeStr[ iN ].normParam, tgtEdge );
1141 newNodes[ iN ] = meshDS->AddNode( p.X(), p.Y(), p.Z() );
1142 meshDS->SetNodeOnEdge( newNodes[ iN ], tgtEdge, u );
1144 for ( size_t iN = 1; iN < srcNodeStr.size(); ++iN ) // add segments
1146 SMDS_MeshElement* newEdge = myHelper->AddEdge( newNodes[ iN-1 ], newNodes[ iN ] );
1147 std::pair<int, TopAbs_ShapeEnum> id2type =
1148 myHelper->GetMediumPos( newNodes[ iN-1 ], newNodes[ iN ] );
1149 if ( id2type.second == TopAbs_EDGE )
1151 meshDS->SetMeshElementOnShape( newEdge, id2type.first );
1153 else // new nodes are on different EDGEs; put one of them on VERTEX
1155 const int edgeIndex = rgtSide->EdgeIndex( srcNodeStr[ iN-1 ].normParam );
1156 const double vertexParam = rgtSide->LastParameter( edgeIndex );
1157 const gp_Pnt p = BRep_Tool::Pnt( rgtSide->LastVertex( edgeIndex ));
1158 const int isPrev = ( Abs( srcNodeStr[ iN-1 ].normParam - vertexParam ) <
1159 Abs( srcNodeStr[ iN ].normParam - vertexParam ));
1160 meshDS->SetMeshElementOnShape( newEdge, newNodes[ iN-(1-isPrev) ]->getshapeId() );
1161 meshDS->UnSetNodeOnShape( newNodes[ iN-isPrev ] );
1162 meshDS->SetNodeOnVertex ( newNodes[ iN-isPrev ], rgtSide->LastVertex( edgeIndex ));
1163 meshDS->MoveNode( newNodes[ iN-isPrev ], p.X(), p.Y(), p.Z() );
1166 myHelper->SetElementsOnShape( true );
1167 for ( int i = 0; i < rgtSide->NbEdges(); ++i ) // update state of sub-meshes
1169 const TopoDS_Edge& E = rgtSide->Edge( i );
1170 SMESH_subMesh* tgtSM = mesh->GetSubMesh( E );
1171 tgtSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1174 // to continue projection from the just computed side as a source
1175 if ( !swapLeftRight && rgtSide->NbEdges() > 1 && w2q->second == iW )
1177 std::pair<int,int> wgt2quadKeyVal( w2q->first + 1, thePrism.myRightQuadIndex[ iW ]);
1178 wgt2quad.insert( wgt2quadKeyVal ); // it will be skipped by ++w2q
1179 wgt2quad.insert( wgt2quadKeyVal );
1180 w2q = wgt2quad.rbegin();
1185 // HOPE assigned hypotheses are OK, so that equal nb of segments will be generated
1186 //return toSM( error("Partial projection not implemented"));
1188 } // loop on quads of a composite wall side
1189 } // loop on the ordered wall sides
1193 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1195 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1196 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1198 // Top EDGEs must be projections from the bottom ones
1199 // to compute stuctured quad mesh on wall FACEs
1200 // ---------------------------------------------------
1201 const TopoDS_Edge& botE = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge(0);
1202 const TopoDS_Edge& topE = (*quad)->side[ QUAD_TOP_SIDE ]->Edge(0);
1204 projector1D->myHyp.SetSourceEdge( botE );
1206 SMESH_subMesh* tgtEdgeSm = mesh->GetSubMesh( topE );
1207 if ( !tgtEdgeSm->IsMeshComputed() )
1209 // compute nodes on VERTEXes
1210 tgtEdgeSm->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1212 projector1D->InitComputeError();
1213 bool ok = projector1D->Compute( *mesh, topE );
1216 SMESH_ComputeErrorPtr err = projector1D->GetComputeError();
1217 if ( err->IsOK() ) err->myName = COMPERR_ALGO_FAILED;
1218 tgtEdgeSm->GetComputeError() = err;
1222 tgtEdgeSm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1224 // Compute quad mesh on wall FACEs
1225 // -------------------------------
1226 const TopoDS_Face& face = (*quad)->face;
1227 SMESH_subMesh* fSM = mesh->GetSubMesh( face );
1228 if ( ! fSM->IsMeshComputed() )
1230 // make all EDGES meshed
1231 fSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1232 if ( !fSM->SubMeshesComputed() )
1233 return toSM( error( COMPERR_BAD_INPUT_MESH,
1234 "Not all edges have valid algorithm and hypothesis"));
1236 quadAlgo->InitComputeError();
1237 bool ok = quadAlgo->Compute( *mesh, face );
1238 fSM->GetComputeError() = quadAlgo->GetComputeError();
1241 fSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1243 if ( myHelper->GetIsQuadratic() )
1245 // fill myHelper with medium nodes built by quadAlgo
1246 SMDS_ElemIteratorPtr fIt = fSM->GetSubMeshDS()->GetElements();
1247 while ( fIt->more() )
1248 myHelper->AddTLinks( dynamic_cast<const SMDS_MeshFace*>( fIt->next() ));
1256 //=======================================================================
1257 //function : Evaluate
1259 //=======================================================================
1261 bool StdMeshers_Prism_3D::Evaluate(SMESH_Mesh& theMesh,
1262 const TopoDS_Shape& theShape,
1263 MapShapeNbElems& aResMap)
1265 if ( theShape.ShapeType() == TopAbs_COMPOUND )
1268 for ( TopoDS_Iterator it( theShape ); it.More(); it.Next() )
1269 ok &= Evaluate( theMesh, it.Value(), aResMap );
1272 SMESH_MesherHelper helper( theMesh );
1274 myHelper->SetSubShape( theShape );
1276 // find face contains only triangles
1277 vector < SMESH_subMesh * >meshFaces;
1278 TopTools_SequenceOfShape aFaces;
1279 int NumBase = 0, i = 0, NbQFs = 0;
1280 for (TopExp_Explorer exp(theShape, TopAbs_FACE); exp.More(); exp.Next()) {
1282 aFaces.Append(exp.Current());
1283 SMESH_subMesh *aSubMesh = theMesh.GetSubMesh(exp.Current());
1284 meshFaces.push_back(aSubMesh);
1285 MapShapeNbElemsItr anIt = aResMap.find(meshFaces[i-1]);
1286 if( anIt==aResMap.end() )
1287 return toSM( error( "Submesh can not be evaluated"));
1289 std::vector<int> aVec = (*anIt).second;
1290 int nbtri = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1291 int nbqua = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1292 if( nbtri==0 && nbqua>0 ) {
1301 std::vector<int> aResVec(SMDSEntity_Last);
1302 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1303 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1304 aResMap.insert(std::make_pair(sm,aResVec));
1305 return toSM( error( "Submesh can not be evaluated" ));
1308 if(NumBase==0) NumBase = 1; // only quads => set 1 faces as base
1310 // find number of 1d elems for base face
1312 TopTools_MapOfShape Edges1;
1313 for (TopExp_Explorer exp(aFaces.Value(NumBase), TopAbs_EDGE); exp.More(); exp.Next()) {
1314 Edges1.Add(exp.Current());
1315 SMESH_subMesh *sm = theMesh.GetSubMesh(exp.Current());
1317 MapShapeNbElemsItr anIt = aResMap.find(sm);
1318 if( anIt == aResMap.end() ) continue;
1319 std::vector<int> aVec = (*anIt).second;
1320 nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
1323 // find face opposite to base face
1325 for(i=1; i<=6; i++) {
1326 if(i==NumBase) continue;
1327 bool IsOpposite = true;
1328 for(TopExp_Explorer exp(aFaces.Value(i), TopAbs_EDGE); exp.More(); exp.Next()) {
1329 if( Edges1.Contains(exp.Current()) ) {
1339 // find number of 2d elems on side faces
1341 for(i=1; i<=6; i++) {
1342 if( i==OppNum || i==NumBase ) continue;
1343 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[i-1] );
1344 if( anIt == aResMap.end() ) continue;
1345 std::vector<int> aVec = (*anIt).second;
1346 nb2d += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1349 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[NumBase-1] );
1350 std::vector<int> aVec = (*anIt).second;
1351 bool IsQuadratic = (aVec[SMDSEntity_Quad_Triangle]>aVec[SMDSEntity_Triangle]) ||
1352 (aVec[SMDSEntity_Quad_Quadrangle]>aVec[SMDSEntity_Quadrangle]);
1353 int nb2d_face0_3 = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1354 int nb2d_face0_4 = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1355 int nb0d_face0 = aVec[SMDSEntity_Node];
1356 int nb1d_face0_int = ( nb2d_face0_3*3 + nb2d_face0_4*4 - nb1d ) / 2;
1358 std::vector<int> aResVec(SMDSEntity_Last);
1359 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1361 aResVec[SMDSEntity_Quad_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1362 aResVec[SMDSEntity_Quad_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1363 aResVec[SMDSEntity_Node] = nb0d_face0 * ( 2*nb2d/nb1d - 1 ) - nb1d_face0_int * nb2d/nb1d;
1366 aResVec[SMDSEntity_Node] = nb0d_face0 * ( nb2d/nb1d - 1 );
1367 aResVec[SMDSEntity_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1368 aResVec[SMDSEntity_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1370 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1371 aResMap.insert(std::make_pair(sm,aResVec));
1376 //================================================================================
1378 * \brief Create prisms
1379 * \param columns - columns of nodes generated from nodes of a mesh face
1380 * \param helper - helper initialized by mesh and shape to add prisms to
1382 //================================================================================
1384 void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
1385 SMESH_MesherHelper* helper)
1387 int nbNodes = columns.size();
1388 int nbZ = columns[0]->size();
1389 if ( nbZ < 2 ) return;
1391 // find out orientation
1392 bool isForward = true;
1393 SMDS_VolumeTool vTool;
1395 switch ( nbNodes ) {
1397 SMDS_VolumeOfNodes tmpPenta ( (*columns[0])[z-1], // bottom
1400 (*columns[0])[z], // top
1403 vTool.Set( &tmpPenta );
1404 isForward = vTool.IsForward();
1408 SMDS_VolumeOfNodes tmpHex( (*columns[0])[z-1], (*columns[1])[z-1], // bottom
1409 (*columns[2])[z-1], (*columns[3])[z-1],
1410 (*columns[0])[z], (*columns[1])[z], // top
1411 (*columns[2])[z], (*columns[3])[z] );
1412 vTool.Set( &tmpHex );
1413 isForward = vTool.IsForward();
1417 const int di = (nbNodes+1) / 3;
1418 SMDS_VolumeOfNodes tmpVol ( (*columns[0] )[z-1],
1419 (*columns[di] )[z-1],
1420 (*columns[2*di])[z-1],
1423 (*columns[2*di])[z] );
1424 vTool.Set( &tmpVol );
1425 isForward = vTool.IsForward();
1428 // vertical loop on columns
1430 helper->SetElementsOnShape( true );
1432 switch ( nbNodes ) {
1434 case 3: { // ---------- pentahedra
1435 const int i1 = isForward ? 1 : 2;
1436 const int i2 = isForward ? 2 : 1;
1437 for ( z = 1; z < nbZ; ++z )
1438 helper->AddVolume( (*columns[0 ])[z-1], // bottom
1439 (*columns[i1])[z-1],
1440 (*columns[i2])[z-1],
1441 (*columns[0 ])[z], // top
1443 (*columns[i2])[z] );
1446 case 4: { // ---------- hexahedra
1447 const int i1 = isForward ? 1 : 3;
1448 const int i3 = isForward ? 3 : 1;
1449 for ( z = 1; z < nbZ; ++z )
1450 helper->AddVolume( (*columns[0])[z-1], (*columns[i1])[z-1], // bottom
1451 (*columns[2])[z-1], (*columns[i3])[z-1],
1452 (*columns[0])[z], (*columns[i1])[z], // top
1453 (*columns[2])[z], (*columns[i3])[z] );
1456 case 6: { // ---------- octahedra
1457 const int iBase1 = isForward ? -1 : 0;
1458 const int iBase2 = isForward ? 0 :-1;
1459 for ( z = 1; z < nbZ; ++z )
1460 helper->AddVolume( (*columns[0])[z+iBase1], (*columns[1])[z+iBase1], // bottom or top
1461 (*columns[2])[z+iBase1], (*columns[3])[z+iBase1],
1462 (*columns[4])[z+iBase1], (*columns[5])[z+iBase1],
1463 (*columns[0])[z+iBase2], (*columns[1])[z+iBase2], // top or bottom
1464 (*columns[2])[z+iBase2], (*columns[3])[z+iBase2],
1465 (*columns[4])[z+iBase2], (*columns[5])[z+iBase2] );
1468 default: // ---------- polyhedra
1469 vector<int> quantities( 2 + nbNodes, 4 );
1470 quantities[0] = quantities[1] = nbNodes;
1471 columns.resize( nbNodes + 1 );
1472 columns[ nbNodes ] = columns[ 0 ];
1473 const int i1 = isForward ? 1 : 3;
1474 const int i3 = isForward ? 3 : 1;
1475 const int iBase1 = isForward ? -1 : 0;
1476 const int iBase2 = isForward ? 0 :-1;
1477 vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
1478 for ( z = 1; z < nbZ; ++z )
1480 for ( int i = 0; i < nbNodes; ++i ) {
1481 nodes[ i ] = (*columns[ i ])[z+iBase1]; // bottom or top
1482 nodes[ 2*nbNodes-i-1 ] = (*columns[ i ])[z+iBase2]; // top or bottom
1484 int di = 2*nbNodes + 4*i;
1485 nodes[ di+0 ] = (*columns[i ])[z ];
1486 nodes[ di+i1] = (*columns[i+1])[z ];
1487 nodes[ di+2 ] = (*columns[i+1])[z-1];
1488 nodes[ di+i3] = (*columns[i ])[z-1];
1490 helper->AddPolyhedralVolume( nodes, quantities );
1493 } // switch ( nbNodes )
1496 //================================================================================
1498 * \brief Find correspondence between bottom and top nodes
1499 * If elements on the bottom and top faces are topologically different,
1500 * and projection is possible and allowed, perform the projection
1501 * \retval bool - is a success or not
1503 //================================================================================
1505 bool StdMeshers_Prism_3D::assocOrProjBottom2Top()
1507 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1508 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1510 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1511 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1513 if ( !botSMDS || botSMDS->NbElements() == 0 )
1514 return toSM( error(TCom("No elememts on face #") << botSM->GetId() ));
1516 bool needProject = !topSM->IsMeshComputed();
1517 if ( !needProject &&
1518 (botSMDS->NbElements() != topSMDS->NbElements() ||
1519 botSMDS->NbNodes() != topSMDS->NbNodes()))
1521 MESSAGE("nb elem bot " << botSMDS->NbElements() <<
1522 " top " << ( topSMDS ? topSMDS->NbElements() : 0 ));
1523 MESSAGE("nb node bot " << botSMDS->NbNodes() <<
1524 " top " << ( topSMDS ? topSMDS->NbNodes() : 0 ));
1525 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1526 <<" and #"<< topSM->GetId() << " seems different" ));
1529 if ( 0/*needProject && !myProjectTriangles*/ )
1530 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1531 <<" and #"<< topSM->GetId() << " seems different" ));
1532 ///RETURN_BAD_RESULT("Need to project but not allowed");
1536 return projectBottomToTop();
1539 TopoDS_Face botFace = TopoDS::Face( myBlock.Shape( ID_BOT_FACE ));
1540 TopoDS_Face topFace = TopoDS::Face( myBlock.Shape( ID_TOP_FACE ));
1541 // associate top and bottom faces
1542 TAssocTool::TShapeShapeMap shape2ShapeMap;
1543 if ( !TAssocTool::FindSubShapeAssociation( botFace, myBlock.Mesh(),
1544 topFace, myBlock.Mesh(),
1546 return toSM( error(TCom("Topology of faces #") << botSM->GetId()
1547 <<" and #"<< topSM->GetId() << " seems different" ));
1549 // Find matching nodes of top and bottom faces
1550 TNodeNodeMap n2nMap;
1551 if ( ! TAssocTool::FindMatchingNodesOnFaces( botFace, myBlock.Mesh(),
1552 topFace, myBlock.Mesh(),
1553 shape2ShapeMap, n2nMap ))
1554 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1555 <<" and #"<< topSM->GetId() << " seems different" ));
1557 // Fill myBotToColumnMap
1559 int zSize = myBlock.VerticalSize();
1561 TNodeNodeMap::iterator bN_tN = n2nMap.begin();
1562 for ( ; bN_tN != n2nMap.end(); ++bN_tN )
1564 const SMDS_MeshNode* botNode = bN_tN->first;
1565 const SMDS_MeshNode* topNode = bN_tN->second;
1566 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1567 continue; // wall columns are contained in myBlock
1568 // create node column
1569 Prism_3D::TNode bN( botNode );
1570 TNode2ColumnMap::iterator bN_col =
1571 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1572 TNodeColumn & column = bN_col->second;
1573 column.resize( zSize );
1574 column.front() = botNode;
1575 column.back() = topNode;
1580 //================================================================================
1582 * \brief Remove quadrangles from the top face and
1583 * create triangles there by projection from the bottom
1584 * \retval bool - a success or not
1586 //================================================================================
1588 bool StdMeshers_Prism_3D::projectBottomToTop()
1590 SMESHDS_Mesh* meshDS = myBlock.MeshDS();
1591 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1592 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1594 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1595 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1597 if ( topSMDS && topSMDS->NbElements() > 0 )
1598 topSM->ComputeStateEngine( SMESH_subMesh::CLEAN );
1600 const TopoDS_Shape& botFace = myBlock.Shape( ID_BOT_FACE ); // oriented within the 3D SHAPE
1601 const TopoDS_Shape& topFace = myBlock.Shape( ID_TOP_FACE);
1602 int topFaceID = meshDS->ShapeToIndex( topFace );
1604 // Fill myBotToColumnMap
1606 int zSize = myBlock.VerticalSize();
1607 Prism_3D::TNode prevTNode;
1608 SMDS_NodeIteratorPtr nIt = botSMDS->GetNodes();
1609 while ( nIt->more() )
1611 const SMDS_MeshNode* botNode = nIt->next();
1612 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1613 continue; // strange
1614 // compute bottom node params
1615 Prism_3D::TNode bN( botNode );
1616 gp_XYZ paramHint(-1,-1,-1);
1617 if ( prevTNode.IsNeighbor( bN ))
1618 paramHint = prevTNode.GetParams();
1619 if ( !myBlock.ComputeParameters( bN.GetCoords(), bN.ChangeParams(),
1620 ID_BOT_FACE, paramHint ))
1621 return toSM( error(TCom("Can't compute normalized parameters for node ")
1622 << botNode->GetID() << " on the face #"<< botSM->GetId() ));
1624 // compute top node coords
1625 gp_XYZ topXYZ; gp_XY topUV;
1626 if ( !myBlock.FacePoint( ID_TOP_FACE, bN.GetParams(), topXYZ ) ||
1627 !myBlock.FaceUV ( ID_TOP_FACE, bN.GetParams(), topUV ))
1628 return toSM( error(TCom("Can't compute coordinates "
1629 "by normalized parameters on the face #")<< topSM->GetId() ));
1630 SMDS_MeshNode * topNode = meshDS->AddNode( topXYZ.X(),topXYZ.Y(),topXYZ.Z() );
1631 meshDS->SetNodeOnFace( topNode, topFaceID, topUV.X(), topUV.Y() );
1632 // create node column
1633 TNode2ColumnMap::iterator bN_col =
1634 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1635 TNodeColumn & column = bN_col->second;
1636 column.resize( zSize );
1637 column.front() = botNode;
1638 column.back() = topNode;
1643 const bool oldSetElemsOnShape = myHelper->SetElementsOnShape( false );
1645 // care of orientation;
1646 // if the bottom faces is orienetd OK then top faces must be reversed
1647 bool reverseTop = true;
1648 if ( myHelper->NbAncestors( botFace, *myBlock.Mesh(), TopAbs_SOLID ) > 1 )
1649 reverseTop = ! myHelper->IsReversedSubMesh( TopoDS::Face( botFace ));
1650 int iFrw, iRev, *iPtr = &( reverseTop ? iRev : iFrw );
1652 // loop on bottom mesh faces
1653 SMDS_ElemIteratorPtr faceIt = botSMDS->GetElements();
1654 vector< const SMDS_MeshNode* > nodes;
1655 while ( faceIt->more() )
1657 const SMDS_MeshElement* face = faceIt->next();
1658 if ( !face || face->GetType() != SMDSAbs_Face )
1661 // find top node in columns for each bottom node
1662 int nbNodes = face->NbCornerNodes();
1663 nodes.resize( nbNodes );
1664 for ( iFrw = 0, iRev = nbNodes-1; iFrw < nbNodes; ++iFrw, --iRev )
1666 const SMDS_MeshNode* n = face->GetNode( *iPtr );
1667 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
1668 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
1669 if ( bot_column == myBotToColumnMap.end() )
1670 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
1671 nodes[ iFrw ] = bot_column->second.back();
1674 const TNodeColumn* column = myBlock.GetNodeColumn( n );
1676 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
1677 nodes[ iFrw ] = column->back();
1680 SMDS_MeshElement* newFace = 0;
1681 switch ( nbNodes ) {
1684 newFace = myHelper->AddFace(nodes[0], nodes[1], nodes[2]);
1688 newFace = myHelper->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
1692 newFace = meshDS->AddPolygonalFace( nodes );
1695 meshDS->SetMeshElementOnShape( newFace, topFaceID );
1698 myHelper->SetElementsOnShape( oldSetElemsOnShape );
1703 //=======================================================================
1704 //function : project2dMesh
1705 //purpose : Project mesh faces from a source FACE of one prism (theSrcFace)
1706 // to a source FACE of another prism (theTgtFace)
1707 //=======================================================================
1709 bool StdMeshers_Prism_3D::project2dMesh(const TopoDS_Face& theSrcFace,
1710 const TopoDS_Face& theTgtFace)
1712 TProjction2dAlgo* projector2D = TProjction2dAlgo::instance( this );
1713 projector2D->myHyp.SetSourceFace( theSrcFace );
1714 bool ok = projector2D->Compute( *myHelper->GetMesh(), theTgtFace );
1716 SMESH_subMesh* tgtSM = myHelper->GetMesh()->GetSubMesh( theTgtFace );
1717 tgtSM->ComputeStateEngine ( SMESH_subMesh::CHECK_COMPUTE_STATE );
1718 tgtSM->ComputeSubMeshStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1723 //================================================================================
1725 * \brief Set projection coordinates of a node to a face and it's sub-shapes
1726 * \param faceID - the face given by in-block ID
1727 * \param params - node normalized parameters
1728 * \retval bool - is a success
1730 //================================================================================
1732 bool StdMeshers_Prism_3D::setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z )
1734 // find base and top edges of the face
1735 enum { BASE = 0, TOP, LEFT, RIGHT };
1736 vector< int > edgeVec; // 0-base, 1-top
1737 SMESH_Block::GetFaceEdgesIDs( faceID, edgeVec );
1739 myBlock.EdgePoint( edgeVec[ BASE ], params, myShapeXYZ[ edgeVec[ BASE ]]);
1740 myBlock.EdgePoint( edgeVec[ TOP ], params, myShapeXYZ[ edgeVec[ TOP ]]);
1742 SHOWYXZ("\nparams ", params);
1743 SHOWYXZ("TOP is " <<edgeVec[ TOP ], myShapeXYZ[ edgeVec[ TOP]]);
1744 SHOWYXZ("BASE is "<<edgeVec[ BASE], myShapeXYZ[ edgeVec[ BASE]]);
1746 if ( faceID == SMESH_Block::ID_Fx0z || faceID == SMESH_Block::ID_Fx1z )
1748 myBlock.EdgePoint( edgeVec[ LEFT ], params, myShapeXYZ[ edgeVec[ LEFT ]]);
1749 myBlock.EdgePoint( edgeVec[ RIGHT ], params, myShapeXYZ[ edgeVec[ RIGHT ]]);
1751 SHOWYXZ("VER "<<edgeVec[ LEFT], myShapeXYZ[ edgeVec[ LEFT]]);
1752 SHOWYXZ("VER "<<edgeVec[ RIGHT], myShapeXYZ[ edgeVec[ RIGHT]]);
1754 myBlock.FacePoint( faceID, params, myShapeXYZ[ faceID ]);
1755 SHOWYXZ("FacePoint "<<faceID, myShapeXYZ[ faceID]);
1760 //=======================================================================
1762 //purpose : If (!isOK), sets the error to a sub-mesh of a current SOLID
1763 //=======================================================================
1765 bool StdMeshers_Prism_3D::toSM( bool isOK )
1767 if ( mySetErrorToSM &&
1770 !myHelper->GetSubShape().IsNull() &&
1771 myHelper->GetSubShape().ShapeType() == TopAbs_SOLID)
1773 SMESH_subMesh* sm = myHelper->GetMesh()->GetSubMesh( myHelper->GetSubShape() );
1774 sm->GetComputeError() = this->GetComputeError();
1775 // clear error in order not to return it twice
1776 _error = COMPERR_OK;
1782 //=======================================================================
1783 //function : shapeID
1784 //purpose : Return index of a shape
1785 //=======================================================================
1787 int StdMeshers_Prism_3D::shapeID( const TopoDS_Shape& S )
1789 if ( S.IsNull() ) return 0;
1790 if ( !myHelper ) return -3;
1791 return myHelper->GetMeshDS()->ShapeToIndex( S );
1796 //================================================================================
1798 * \brief Return true if this node and other one belong to one face
1800 //================================================================================
1802 bool Prism_3D::TNode::IsNeighbor( const Prism_3D::TNode& other ) const
1804 if ( !other.myNode || !myNode ) return false;
1806 SMDS_ElemIteratorPtr fIt = other.myNode->GetInverseElementIterator(SMDSAbs_Face);
1807 while ( fIt->more() )
1808 if ( fIt->next()->GetNodeIndex( myNode ) >= 0 )
1813 //================================================================================
1815 * \brief Prism initialization
1817 //================================================================================
1819 void TPrismTopo::Clear()
1821 myShape3D.Nullify();
1824 myWallQuads.clear();
1825 myBottomEdges.clear();
1826 myNbEdgesInWires.clear();
1827 myWallQuads.clear();
1830 } // namespace Prism_3D
1832 //================================================================================
1834 * \brief Constructor. Initialization is needed
1836 //================================================================================
1838 StdMeshers_PrismAsBlock::StdMeshers_PrismAsBlock()
1843 StdMeshers_PrismAsBlock::~StdMeshers_PrismAsBlock()
1847 void StdMeshers_PrismAsBlock::Clear()
1850 myShapeIDMap.Clear();
1854 delete mySide; mySide = 0;
1856 myParam2ColumnMaps.clear();
1857 myShapeIndex2ColumnMap.clear();
1860 //=======================================================================
1861 //function : initPrism
1862 //purpose : Analyse shape geometry and mesh.
1863 // If there are triangles on one of faces, it becomes 'bottom'.
1864 // thePrism.myBottom can be already set up.
1865 //=======================================================================
1867 bool StdMeshers_Prism_3D::initPrism(Prism_3D::TPrismTopo& thePrism,
1868 const TopoDS_Shape& shape3D)
1870 myHelper->SetSubShape( shape3D );
1872 SMESH_subMesh* mainSubMesh = myHelper->GetMesh()->GetSubMeshContaining( shape3D );
1873 if ( !mainSubMesh ) return toSM( error(COMPERR_BAD_INPUT_MESH,"Null submesh of shape3D"));
1875 // detect not-quad FACE sub-meshes of the 3D SHAPE
1876 list< SMESH_subMesh* > notQuadGeomSubMesh;
1877 list< SMESH_subMesh* > notQuadElemSubMesh;
1880 SMESH_subMesh* anyFaceSM = 0;
1881 SMESH_subMeshIteratorPtr smIt = mainSubMesh->getDependsOnIterator(false,true);
1882 while ( smIt->more() )
1884 SMESH_subMesh* sm = smIt->next();
1885 const TopoDS_Shape& face = sm->GetSubShape();
1886 if ( face.ShapeType() > TopAbs_FACE ) break;
1887 else if ( face.ShapeType() < TopAbs_FACE ) continue;
1891 // is quadrangle FACE?
1892 list< TopoDS_Edge > orderedEdges;
1893 list< int > nbEdgesInWires;
1894 int nbWires = SMESH_Block::GetOrderedEdges( TopoDS::Face( face ), orderedEdges,
1896 if ( nbWires != 1 || nbEdgesInWires.front() != 4 )
1897 notQuadGeomSubMesh.push_back( sm );
1899 // look for not quadrangle mesh elements
1900 if ( SMESHDS_SubMesh* smDS = sm->GetSubMeshDS() )
1901 if ( !myHelper->IsSameElemGeometry( smDS, SMDSGeom_QUADRANGLE ))
1902 notQuadElemSubMesh.push_back( sm );
1905 int nbNotQuadMeshed = notQuadElemSubMesh.size();
1906 int nbNotQuad = notQuadGeomSubMesh.size();
1907 bool hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1910 if ( nbNotQuadMeshed > 2 )
1912 return toSM( error(COMPERR_BAD_INPUT_MESH,
1913 TCom("More than 2 faces with not quadrangle elements: ")
1914 <<nbNotQuadMeshed));
1916 if ( nbNotQuad > 2 || !thePrism.myBottom.IsNull() )
1918 // Issue 0020843 - one of side FACEs is quasi-quadrilateral (not 4 EDGEs).
1919 // Remove from notQuadGeomSubMesh faces meshed with regular grid
1920 int nbQuasiQuads = removeQuasiQuads( notQuadGeomSubMesh, myHelper,
1921 TQuadrangleAlgo::instance(this,myHelper) );
1922 nbNotQuad -= nbQuasiQuads;
1923 if ( nbNotQuad > 2 )
1924 return toSM( error(COMPERR_BAD_SHAPE,
1925 TCom("More than 2 not quadrilateral faces: ") <<nbNotQuad));
1926 hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1929 // Analyse mesh and topology of FACEs: choose the bottom sub-mesh.
1930 // If there are not quadrangle FACEs, they are top and bottom ones.
1931 // Not quadrangle FACEs must be only on top and bottom.
1933 SMESH_subMesh * botSM = 0;
1934 SMESH_subMesh * topSM = 0;
1936 if ( hasNotQuad ) // can chose a bottom FACE
1938 if ( nbNotQuadMeshed > 0 ) botSM = notQuadElemSubMesh.front();
1939 else botSM = notQuadGeomSubMesh.front();
1940 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.back();
1941 else if ( nbNotQuad > 1 ) topSM = notQuadGeomSubMesh.back();
1943 if ( topSM == botSM ) {
1944 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.front();
1945 else topSM = notQuadGeomSubMesh.front();
1948 // detect mesh triangles on wall FACEs
1949 if ( nbNotQuad == 2 && nbNotQuadMeshed > 0 ) {
1951 if ( nbNotQuadMeshed == 1 )
1952 ok = ( find( notQuadGeomSubMesh.begin(),
1953 notQuadGeomSubMesh.end(), botSM ) != notQuadGeomSubMesh.end() );
1955 ok = ( notQuadGeomSubMesh == notQuadElemSubMesh );
1957 return toSM( error(COMPERR_BAD_INPUT_MESH,
1958 "Side face meshed with not quadrangle elements"));
1962 thePrism.myNotQuadOnTop = ( nbNotQuadMeshed > 1 );
1964 // use thePrism.myBottom
1965 if ( !thePrism.myBottom.IsNull() )
1968 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom )) {
1969 std::swap( botSM, topSM );
1970 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom ))
1971 return toSM( error( COMPERR_BAD_INPUT_MESH,
1972 "Incompatible non-structured sub-meshes"));
1976 botSM = myHelper->GetMesh()->GetSubMesh( thePrism.myBottom );
1979 else if ( !botSM ) // find a proper bottom
1981 // composite walls or not prism shape
1982 for ( TopExp_Explorer f( shape3D, TopAbs_FACE ); f.More(); f.Next() )
1984 int minNbFaces = 2 + myHelper->Count( f.Current(), TopAbs_EDGE, false);
1985 if ( nbFaces >= minNbFaces)
1988 thePrism.myBottom = TopoDS::Face( f.Current() );
1989 if ( initPrism( thePrism, shape3D ))
1992 return toSM( error( COMPERR_BAD_SHAPE ));
1996 // find vertex 000 - the one with smallest coordinates (for easy DEBUG :-)
1998 double minVal = DBL_MAX, minX, val;
1999 for ( TopExp_Explorer exp( botSM->GetSubShape(), TopAbs_VERTEX );
2000 exp.More(); exp.Next() )
2002 const TopoDS_Vertex& v = TopoDS::Vertex( exp.Current() );
2003 gp_Pnt P = BRep_Tool::Pnt( v );
2004 val = P.X() + P.Y() + P.Z();
2005 if ( val < minVal || ( val == minVal && P.X() < minX )) {
2012 thePrism.myShape3D = shape3D;
2013 if ( thePrism.myBottom.IsNull() )
2014 thePrism.myBottom = TopoDS::Face( botSM->GetSubShape() );
2015 thePrism.myBottom.Orientation( myHelper->GetSubShapeOri( shape3D,
2016 thePrism.myBottom ));
2017 // Get ordered bottom edges
2018 TopoDS_Face reverseBottom = // to have order of top EDGEs as in the top FACE
2019 TopoDS::Face( thePrism.myBottom.Reversed() );
2020 SMESH_Block::GetOrderedEdges( reverseBottom,
2021 thePrism.myBottomEdges,
2022 thePrism.myNbEdgesInWires, V000 );
2024 // Get Wall faces corresponding to the ordered bottom edges and the top FACE
2025 if ( !getWallFaces( thePrism, nbFaces ))
2026 return false; //toSM( error(COMPERR_BAD_SHAPE, "Can't find side faces"));
2030 if ( !thePrism.myTop.IsSame( topSM->GetSubShape() ))
2032 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2033 "Non-quadrilateral faces are not opposite"));
2035 // check that the found top and bottom FACEs are opposite
2036 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
2037 for ( ; edge != thePrism.myBottomEdges.end(); ++edge )
2038 if ( myHelper->IsSubShape( *edge, thePrism.myTop ))
2040 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
2041 "Non-quadrilateral faces are not opposite"));
2047 //================================================================================
2049 * \brief Initialization.
2050 * \param helper - helper loaded with mesh and 3D shape
2051 * \param thePrism - a prosm data
2052 * \retval bool - false if a mesh or a shape are KO
2054 //================================================================================
2056 bool StdMeshers_PrismAsBlock::Init(SMESH_MesherHelper* helper,
2057 const Prism_3D::TPrismTopo& thePrism)
2060 delete mySide; mySide = 0;
2062 vector< TSideFace* > sideFaces( NB_WALL_FACES, 0 );
2063 vector< pair< double, double> > params( NB_WALL_FACES );
2064 mySide = new TSideFace( sideFaces, params );
2067 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2069 SMESH_Block::init();
2070 myShapeIDMap.Clear();
2071 myShapeIndex2ColumnMap.clear();
2073 int wallFaceIds[ NB_WALL_FACES ] = { // to walk around a block
2074 SMESH_Block::ID_Fx0z, SMESH_Block::ID_F1yz,
2075 SMESH_Block::ID_Fx1z, SMESH_Block::ID_F0yz
2078 myError = SMESH_ComputeError::New();
2080 myNotQuadOnTop = thePrism.myNotQuadOnTop;
2082 // Find columns of wall nodes and calculate edges' lengths
2083 // --------------------------------------------------------
2085 myParam2ColumnMaps.clear();
2086 myParam2ColumnMaps.resize( thePrism.myBottomEdges.size() ); // total nb edges
2088 size_t iE, nbEdges = thePrism.myNbEdgesInWires.front(); // nb outer edges
2089 vector< double > edgeLength( nbEdges );
2090 multimap< double, int > len2edgeMap;
2092 list< TopoDS_Edge >::const_iterator edgeIt = thePrism.myBottomEdges.begin();
2093 for ( iE = 0; iE < nbEdges; ++iE, ++edgeIt )
2095 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2097 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2098 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2100 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2101 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2102 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2103 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2105 SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2106 SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2107 SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2109 edgeLength[ iE ] = SMESH_Algo::EdgeLength( *edgeIt );
2111 if ( nbEdges < NB_WALL_FACES ) // fill map used to split faces
2113 SMESHDS_SubMesh* smDS = meshDS->MeshElements( *edgeIt);
2115 return error(COMPERR_BAD_INPUT_MESH, TCom("Null submesh on the edge #")
2116 << MeshDS()->ShapeToIndex( *edgeIt ));
2117 len2edgeMap.insert( make_pair( edgeLength[ iE ], iE ));
2120 // Load columns of internal edges (forming holes)
2121 // and fill map ShapeIndex to TParam2ColumnMap for them
2122 for ( ; edgeIt != thePrism.myBottomEdges.end() ; ++edgeIt, ++iE )
2124 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2126 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2127 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2129 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2130 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2131 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2132 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2135 int id = MeshDS()->ShapeToIndex( *edgeIt );
2136 bool isForward = true; // meaningless for intenal wires
2137 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2138 // columns for vertices
2140 const SMDS_MeshNode* n0 = faceColumns.begin()->second.front();
2141 id = n0->getshapeId();
2142 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2144 const SMDS_MeshNode* n1 = faceColumns.rbegin()->second.front();
2145 id = n1->getshapeId();
2146 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2148 // SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2149 // SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2150 // SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2153 // Create 4 wall faces of a block
2154 // -------------------------------
2156 if ( nbEdges <= NB_WALL_FACES ) // ************* Split faces if necessary
2158 map< int, int > iE2nbSplit;
2159 if ( nbEdges != NB_WALL_FACES ) // define how to split
2161 if ( len2edgeMap.size() != nbEdges )
2162 RETURN_BAD_RESULT("Uniqueness of edge lengths not assured");
2163 map< double, int >::reverse_iterator maxLen_i = len2edgeMap.rbegin();
2164 map< double, int >::reverse_iterator midLen_i = ++len2edgeMap.rbegin();
2165 double maxLen = maxLen_i->first;
2166 double midLen = ( len2edgeMap.size() == 1 ) ? 0 : midLen_i->first;
2167 switch ( nbEdges ) {
2168 case 1: // 0-th edge is split into 4 parts
2169 iE2nbSplit.insert( make_pair( 0, 4 )); break;
2170 case 2: // either the longest edge is split into 3 parts, or both edges into halves
2171 if ( maxLen / 3 > midLen / 2 ) {
2172 iE2nbSplit.insert( make_pair( maxLen_i->second, 3 ));
2175 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2176 iE2nbSplit.insert( make_pair( midLen_i->second, 2 ));
2180 // split longest into halves
2181 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2184 // Create TSideFace's
2186 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2187 for ( iE = 0; iE < nbEdges; ++iE, ++botE )
2189 TFaceQuadStructPtr quad = thePrism.myWallQuads[ iE ].front();
2191 map< int, int >::iterator i_nb = iE2nbSplit.find( iE );
2192 if ( i_nb != iE2nbSplit.end() ) {
2194 int nbSplit = i_nb->second;
2195 vector< double > params;
2196 splitParams( nbSplit, &myParam2ColumnMaps[ iE ], params );
2197 const bool isForward =
2198 StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2199 myParam2ColumnMaps[iE],
2200 *botE, SMESH_Block::ID_Fx0z );
2201 for ( int i = 0; i < nbSplit; ++i ) {
2202 double f = ( isForward ? params[ i ] : params[ nbSplit - i-1 ]);
2203 double l = ( isForward ? params[ i+1 ] : params[ nbSplit - i ]);
2204 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2205 thePrism.myWallQuads[ iE ], *botE,
2206 &myParam2ColumnMaps[ iE ], f, l );
2207 mySide->SetComponent( iSide++, comp );
2211 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2212 thePrism.myWallQuads[ iE ], *botE,
2213 &myParam2ColumnMaps[ iE ]);
2214 mySide->SetComponent( iSide++, comp );
2218 else { // **************************** Unite faces
2220 // unite first faces
2221 int nbExraFaces = nbEdges - 3;
2223 double u0 = 0, sumLen = 0;
2224 for ( iE = 0; iE < nbExraFaces; ++iE )
2225 sumLen += edgeLength[ iE ];
2227 vector< TSideFace* > components( nbExraFaces );
2228 vector< pair< double, double> > params( nbExraFaces );
2229 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2230 for ( iE = 0; iE < nbExraFaces; ++iE, ++botE )
2232 components[ iE ] = new TSideFace( myHelper, wallFaceIds[ iSide ],
2233 thePrism.myWallQuads[ iE ], *botE,
2234 &myParam2ColumnMaps[ iE ]);
2235 double u1 = u0 + edgeLength[ iE ] / sumLen;
2236 params[ iE ] = make_pair( u0 , u1 );
2239 mySide->SetComponent( iSide++, new TSideFace( components, params ));
2241 // fill the rest faces
2242 for ( ; iE < nbEdges; ++iE, ++botE )
2244 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2245 thePrism.myWallQuads[ iE ], *botE,
2246 &myParam2ColumnMaps[ iE ]);
2247 mySide->SetComponent( iSide++, comp );
2252 // Fill geometry fields of SMESH_Block
2253 // ------------------------------------
2255 vector< int > botEdgeIdVec;
2256 SMESH_Block::GetFaceEdgesIDs( ID_BOT_FACE, botEdgeIdVec );
2258 bool isForward[NB_WALL_FACES] = { true, true, true, true };
2259 Adaptor2d_Curve2d* botPcurves[NB_WALL_FACES];
2260 Adaptor2d_Curve2d* topPcurves[NB_WALL_FACES];
2262 for ( int iF = 0; iF < NB_WALL_FACES; ++iF )
2264 TSideFace * sideFace = mySide->GetComponent( iF );
2266 RETURN_BAD_RESULT("NULL TSideFace");
2267 int fID = sideFace->FaceID(); // in-block ID
2269 // fill myShapeIDMap
2270 if ( sideFace->InsertSubShapes( myShapeIDMap ) != 8 &&
2271 !sideFace->IsComplex())
2272 MESSAGE( ": Warning : InsertSubShapes() < 8 on side " << iF );
2274 // side faces geometry
2275 Adaptor2d_Curve2d* pcurves[NB_WALL_FACES];
2276 if ( !sideFace->GetPCurves( pcurves ))
2277 RETURN_BAD_RESULT("TSideFace::GetPCurves() failed");
2279 SMESH_Block::TFace& tFace = myFace[ fID - ID_FirstF ];
2280 tFace.Set( fID, sideFace->Surface(), pcurves, isForward );
2282 SHOWYXZ( endl<<"F "<< iF << " id " << fID << " FRW " << sideFace->IsForward(), sideFace->Value(0,0));
2283 // edges 3D geometry
2284 vector< int > edgeIdVec;
2285 SMESH_Block::GetFaceEdgesIDs( fID, edgeIdVec );
2286 for ( int isMax = 0; isMax < 2; ++isMax ) {
2288 int eID = edgeIdVec[ isMax ];
2289 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2290 tEdge.Set( eID, sideFace->HorizCurve(isMax), true);
2291 SHOWYXZ(eID<<" HOR"<<isMax<<"(0)", sideFace->HorizCurve(isMax)->Value(0));
2292 SHOWYXZ(eID<<" HOR"<<isMax<<"(1)", sideFace->HorizCurve(isMax)->Value(1));
2295 int eID = edgeIdVec[ isMax+2 ];
2296 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2297 tEdge.Set( eID, sideFace->VertiCurve(isMax), true);
2298 SHOWYXZ(eID<<" VER"<<isMax<<"(0)", sideFace->VertiCurve(isMax)->Value(0));
2299 SHOWYXZ(eID<<" VER"<<isMax<<"(1)", sideFace->VertiCurve(isMax)->Value(1));
2302 vector< int > vertexIdVec;
2303 SMESH_Block::GetEdgeVertexIDs( eID, vertexIdVec );
2304 myPnt[ vertexIdVec[0] - ID_FirstV ] = tEdge.GetCurve()->Value(0).XYZ();
2305 myPnt[ vertexIdVec[1] - ID_FirstV ] = tEdge.GetCurve()->Value(1).XYZ();
2308 // pcurves on horizontal faces
2309 for ( iE = 0; iE < NB_WALL_FACES; ++iE ) {
2310 if ( edgeIdVec[ BOTTOM_EDGE ] == botEdgeIdVec[ iE ] ) {
2311 botPcurves[ iE ] = sideFace->HorizPCurve( false, thePrism.myBottom );
2312 topPcurves[ iE ] = sideFace->HorizPCurve( true, thePrism.myTop );
2316 //sideFace->dumpNodes( 4 ); // debug
2318 // horizontal faces geometry
2320 SMESH_Block::TFace& tFace = myFace[ ID_BOT_FACE - ID_FirstF ];
2321 tFace.Set( ID_BOT_FACE, new BRepAdaptor_Surface( thePrism.myBottom ), botPcurves, isForward );
2322 SMESH_Block::Insert( thePrism.myBottom, ID_BOT_FACE, myShapeIDMap );
2325 SMESH_Block::TFace& tFace = myFace[ ID_TOP_FACE - ID_FirstF ];
2326 tFace.Set( ID_TOP_FACE, new BRepAdaptor_Surface( thePrism.myTop ), topPcurves, isForward );
2327 SMESH_Block::Insert( thePrism.myTop, ID_TOP_FACE, myShapeIDMap );
2330 // Fill map ShapeIndex to TParam2ColumnMap
2331 // ----------------------------------------
2333 list< TSideFace* > fList;
2334 list< TSideFace* >::iterator fListIt;
2335 fList.push_back( mySide );
2336 for ( fListIt = fList.begin(); fListIt != fList.end(); ++fListIt)
2338 int nb = (*fListIt)->NbComponents();
2339 for ( int i = 0; i < nb; ++i ) {
2340 if ( TSideFace* comp = (*fListIt)->GetComponent( i ))
2341 fList.push_back( comp );
2343 if ( TParam2ColumnMap* cols = (*fListIt)->GetColumns()) {
2344 // columns for a base edge
2345 int id = MeshDS()->ShapeToIndex( (*fListIt)->BaseEdge() );
2346 bool isForward = (*fListIt)->IsForward();
2347 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2349 // columns for vertices
2350 const SMDS_MeshNode* n0 = cols->begin()->second.front();
2351 id = n0->getshapeId();
2352 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2354 const SMDS_MeshNode* n1 = cols->rbegin()->second.front();
2355 id = n1->getshapeId();
2356 myShapeIndex2ColumnMap[ id ] = make_pair( cols, !isForward );
2360 // gp_XYZ testPar(0.25, 0.25, 0), testCoord;
2361 // if ( !FacePoint( ID_BOT_FACE, testPar, testCoord ))
2362 // RETURN_BAD_RESULT("TEST FacePoint() FAILED");
2363 // SHOWYXZ("IN TEST PARAM" , testPar);
2364 // SHOWYXZ("OUT TEST CORD" , testCoord);
2365 // if ( !ComputeParameters( testCoord, testPar , ID_BOT_FACE))
2366 // RETURN_BAD_RESULT("TEST ComputeParameters() FAILED");
2367 // SHOWYXZ("OUT TEST PARAM" , testPar);
2372 //================================================================================
2374 * \brief Return pointer to column of nodes
2375 * \param node - bottom node from which the returned column goes up
2376 * \retval const TNodeColumn* - the found column
2378 //================================================================================
2380 const TNodeColumn* StdMeshers_PrismAsBlock::GetNodeColumn(const SMDS_MeshNode* node) const
2382 int sID = node->getshapeId();
2384 map<int, pair< TParam2ColumnMap*, bool > >::const_iterator col_frw =
2385 myShapeIndex2ColumnMap.find( sID );
2386 if ( col_frw != myShapeIndex2ColumnMap.end() ) {
2387 const TParam2ColumnMap* cols = col_frw->second.first;
2388 TParam2ColumnIt u_col = cols->begin();
2389 for ( ; u_col != cols->end(); ++u_col )
2390 if ( u_col->second[ 0 ] == node )
2391 return & u_col->second;
2396 //=======================================================================
2397 //function : GetLayersTransformation
2398 //purpose : Return transformations to get coordinates of nodes of each layer
2399 // by nodes of the bottom. Layer is a set of nodes at a certain step
2400 // from bottom to top.
2401 //=======================================================================
2403 bool StdMeshers_PrismAsBlock::GetLayersTransformation(vector<gp_Trsf> & trsf,
2404 const Prism_3D::TPrismTopo& prism) const
2406 const int zSize = VerticalSize();
2407 if ( zSize < 3 ) return true;
2408 trsf.resize( zSize - 2 );
2410 // Select some node columns by which we will define coordinate system of layers
2412 vector< const TNodeColumn* > columns;
2415 list< TopoDS_Edge >::const_iterator edgeIt = prism.myBottomEdges.begin();
2416 for ( int iE = 0; iE < prism.myNbEdgesInWires.front(); ++iE, ++edgeIt )
2418 if ( BRep_Tool::Degenerated( *edgeIt )) continue;
2419 const TParam2ColumnMap* u2colMap =
2420 GetParam2ColumnMap( MeshDS()->ShapeToIndex( *edgeIt ), isReverse );
2421 if ( !u2colMap ) return false;
2422 double f = u2colMap->begin()->first, l = u2colMap->rbegin()->first;
2423 //isReverse = ( edgeIt->Orientation() == TopAbs_REVERSED );
2424 //if ( isReverse ) swap ( f, l ); -- u2colMap takes orientation into account
2425 const int nbCol = 5;
2426 for ( int i = 0; i < nbCol; ++i )
2428 double u = f + i/double(nbCol) * ( l - f );
2429 const TNodeColumn* col = & getColumn( u2colMap, u )->second;
2430 if ( columns.empty() || col != columns.back() )
2431 columns.push_back( col );
2436 // Find tolerance to check transformations
2441 for ( int i = 0; i < columns.size(); ++i )
2442 bndBox.Add( gpXYZ( columns[i]->front() ));
2443 tol2 = bndBox.SquareExtent() * 1e-5;
2446 // Compute transformations
2449 gp_Trsf fromCsZ, toCs0;
2450 gp_Ax3 cs0 = getLayerCoordSys(0, columns, xCol );
2451 //double dist0 = cs0.Location().Distance( gpXYZ( (*columns[0])[0]));
2452 toCs0.SetTransformation( cs0 );
2453 for ( int z = 1; z < zSize-1; ++z )
2455 gp_Ax3 csZ = getLayerCoordSys(z, columns, xCol );
2456 //double distZ = csZ.Location().Distance( gpXYZ( (*columns[0])[z]));
2457 fromCsZ.SetTransformation( csZ );
2459 gp_Trsf& t = trsf[ z-1 ];
2460 t = fromCsZ * toCs0;
2461 //t.SetScaleFactor( distZ/dist0 ); - it does not work properly, wrong base point
2463 // check a transformation
2464 for ( int i = 0; i < columns.size(); ++i )
2466 gp_Pnt p0 = gpXYZ( (*columns[i])[0] );
2467 gp_Pnt pz = gpXYZ( (*columns[i])[z] );
2468 t.Transforms( p0.ChangeCoord() );
2469 if ( p0.SquareDistance( pz ) > tol2 )
2476 //================================================================================
2478 * \brief Check curve orientation of a bootom edge
2479 * \param meshDS - mesh DS
2480 * \param columnsMap - node columns map of side face
2481 * \param bottomEdge - the bootom edge
2482 * \param sideFaceID - side face in-block ID
2483 * \retval bool - true if orientation coinside with in-block forward orientation
2485 //================================================================================
2487 bool StdMeshers_PrismAsBlock::IsForwardEdge(SMESHDS_Mesh* meshDS,
2488 const TParam2ColumnMap& columnsMap,
2489 const TopoDS_Edge & bottomEdge,
2490 const int sideFaceID)
2492 bool isForward = false;
2493 if ( SMESH_MesherHelper::IsClosedEdge( bottomEdge ))
2495 isForward = ( bottomEdge.Orientation() == TopAbs_FORWARD );
2499 const TNodeColumn& firstCol = columnsMap.begin()->second;
2500 const SMDS_MeshNode* bottomNode = firstCol[0];
2501 TopoDS_Shape firstVertex = SMESH_MesherHelper::GetSubShapeByNode( bottomNode, meshDS );
2502 isForward = ( firstVertex.IsSame( TopExp::FirstVertex( bottomEdge, true )));
2504 // on 2 of 4 sides first vertex is end
2505 if ( sideFaceID == ID_Fx1z || sideFaceID == ID_F0yz )
2506 isForward = !isForward;
2510 //================================================================================
2512 * \brief Constructor
2513 * \param faceID - in-block ID
2514 * \param face - geom FACE
2515 * \param baseEdge - EDGE proreply oriented in the bottom EDGE !!!
2516 * \param columnsMap - map of node columns
2517 * \param first - first normalized param
2518 * \param last - last normalized param
2520 //================================================================================
2522 StdMeshers_PrismAsBlock::TSideFace::TSideFace(SMESH_MesherHelper* helper,
2524 const Prism_3D::TQuadList& quadList,
2525 const TopoDS_Edge& baseEdge,
2526 TParam2ColumnMap* columnsMap,
2530 myParamToColumnMap( columnsMap ),
2533 myParams.resize( 1 );
2534 myParams[ 0 ] = make_pair( first, last );
2535 mySurface = PSurface( new BRepAdaptor_Surface( quadList.front()->face ));
2536 myBaseEdge = baseEdge;
2537 myIsForward = StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2538 *myParamToColumnMap,
2540 if ( quadList.size() > 1 ) // side is vertically composite
2542 // fill myShapeID2Surf map to enable finding a right surface by any sub-shape ID
2544 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2546 TopTools_IndexedDataMapOfShapeListOfShape subToFaces;
2547 Prism_3D::TQuadList::const_iterator quad = quadList.begin();
2548 for ( ; quad != quadList.end(); ++quad )
2550 const TopoDS_Face& face = (*quad)->face;
2551 TopExp::MapShapesAndAncestors( face, TopAbs_VERTEX, TopAbs_FACE, subToFaces );
2552 TopExp::MapShapesAndAncestors( face, TopAbs_EDGE, TopAbs_FACE, subToFaces );
2553 myShapeID2Surf.insert( make_pair( meshDS->ShapeToIndex( face ),
2554 PSurface( new BRepAdaptor_Surface( face ))));
2556 for ( int i = 1; i <= subToFaces.Extent(); ++i )
2558 const TopoDS_Shape& sub = subToFaces.FindKey( i );
2559 TopTools_ListOfShape& faces = subToFaces( i );
2560 int subID = meshDS->ShapeToIndex( sub );
2561 int faceID = meshDS->ShapeToIndex( faces.First() );
2562 myShapeID2Surf.insert ( make_pair( subID, myShapeID2Surf[ faceID ]));
2567 //================================================================================
2569 * \brief Constructor of complex side face
2571 //================================================================================
2573 StdMeshers_PrismAsBlock::TSideFace::
2574 TSideFace(const vector< TSideFace* >& components,
2575 const vector< pair< double, double> > & params)
2576 :myID( components[0] ? components[0]->myID : 0 ),
2577 myParamToColumnMap( 0 ),
2579 myIsForward( true ),
2580 myComponents( components ),
2581 myHelper( components[0] ? components[0]->myHelper : 0 )
2583 //================================================================================
2585 * \brief Copy constructor
2586 * \param other - other side
2588 //================================================================================
2590 StdMeshers_PrismAsBlock::TSideFace::TSideFace( const TSideFace& other )
2593 mySurface = other.mySurface;
2594 myBaseEdge = other.myBaseEdge;
2595 myParams = other.myParams;
2596 myIsForward = other.myIsForward;
2597 myHelper = other.myHelper;
2598 myParamToColumnMap = other.myParamToColumnMap;
2600 myComponents.resize( other.myComponents.size());
2601 for (int i = 0 ; i < myComponents.size(); ++i )
2602 myComponents[ i ] = new TSideFace( *other.myComponents[ i ]);
2605 //================================================================================
2607 * \brief Deletes myComponents
2609 //================================================================================
2611 StdMeshers_PrismAsBlock::TSideFace::~TSideFace()
2613 for (int i = 0 ; i < myComponents.size(); ++i )
2614 if ( myComponents[ i ] )
2615 delete myComponents[ i ];
2618 //================================================================================
2620 * \brief Return geometry of the vertical curve
2621 * \param isMax - true means curve located closer to (1,1,1) block point
2622 * \retval Adaptor3d_Curve* - curve adaptor
2624 //================================================================================
2626 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::VertiCurve(const bool isMax) const
2628 if ( !myComponents.empty() ) {
2630 return myComponents.back()->VertiCurve(isMax);
2632 return myComponents.front()->VertiCurve(isMax);
2634 double f = myParams[0].first, l = myParams[0].second;
2635 if ( !myIsForward ) std::swap( f, l );
2636 return new TVerticalEdgeAdaptor( myParamToColumnMap, isMax ? l : f );
2639 //================================================================================
2641 * \brief Return geometry of the top or bottom curve
2643 * \retval Adaptor3d_Curve* -
2645 //================================================================================
2647 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::HorizCurve(const bool isTop) const
2649 return new THorizontalEdgeAdaptor( this, isTop );
2652 //================================================================================
2654 * \brief Return pcurves
2655 * \param pcurv - array of 4 pcurves
2656 * \retval bool - is a success
2658 //================================================================================
2660 bool StdMeshers_PrismAsBlock::TSideFace::GetPCurves(Adaptor2d_Curve2d* pcurv[4]) const
2662 int iEdge[ 4 ] = { BOTTOM_EDGE, TOP_EDGE, V0_EDGE, V1_EDGE };
2664 for ( int i = 0 ; i < 4 ; ++i ) {
2665 Handle(Geom2d_Line) line;
2666 switch ( iEdge[ i ] ) {
2668 line = new Geom2d_Line( gp_Pnt2d( 0, 1 ), gp::DX2d() ); break;
2670 line = new Geom2d_Line( gp::Origin2d(), gp::DX2d() ); break;
2672 line = new Geom2d_Line( gp::Origin2d(), gp::DY2d() ); break;
2674 line = new Geom2d_Line( gp_Pnt2d( 1, 0 ), gp::DY2d() ); break;
2676 pcurv[ i ] = new Geom2dAdaptor_Curve( line, 0, 1 );
2681 //================================================================================
2683 * \brief Returns geometry of pcurve on a horizontal face
2684 * \param isTop - is top or bottom face
2685 * \param horFace - a horizontal face
2686 * \retval Adaptor2d_Curve2d* - curve adaptor
2688 //================================================================================
2691 StdMeshers_PrismAsBlock::TSideFace::HorizPCurve(const bool isTop,
2692 const TopoDS_Face& horFace) const
2694 return new TPCurveOnHorFaceAdaptor( this, isTop, horFace );
2697 //================================================================================
2699 * \brief Return a component corresponding to parameter
2700 * \param U - parameter along a horizontal size
2701 * \param localU - parameter along a horizontal size of a component
2702 * \retval TSideFace* - found component
2704 //================================================================================
2706 StdMeshers_PrismAsBlock::TSideFace*
2707 StdMeshers_PrismAsBlock::TSideFace::GetComponent(const double U,double & localU) const
2710 if ( myComponents.empty() )
2711 return const_cast<TSideFace*>( this );
2714 for ( i = 0; i < myComponents.size(); ++i )
2715 if ( U < myParams[ i ].second )
2717 if ( i >= myComponents.size() )
2718 i = myComponents.size() - 1;
2720 double f = myParams[ i ].first, l = myParams[ i ].second;
2721 localU = ( U - f ) / ( l - f );
2722 return myComponents[ i ];
2725 //================================================================================
2727 * \brief Find node columns for a parameter
2728 * \param U - parameter along a horizontal edge
2729 * \param col1 - the 1st found column
2730 * \param col2 - the 2nd found column
2731 * \retval r - normalized position of U between the found columns
2733 //================================================================================
2735 double StdMeshers_PrismAsBlock::TSideFace::GetColumns(const double U,
2736 TParam2ColumnIt & col1,
2737 TParam2ColumnIt & col2) const
2739 double u = U, r = 0;
2740 if ( !myComponents.empty() ) {
2741 TSideFace * comp = GetComponent(U,u);
2742 return comp->GetColumns( u, col1, col2 );
2747 double f = myParams[0].first, l = myParams[0].second;
2748 u = f + u * ( l - f );
2750 col1 = col2 = getColumn( myParamToColumnMap, u );
2751 if ( ++col2 == myParamToColumnMap->end() ) {
2756 double uf = col1->first;
2757 double ul = col2->first;
2758 r = ( u - uf ) / ( ul - uf );
2763 //================================================================================
2765 * \brief Return coordinates by normalized params
2766 * \param U - horizontal param
2767 * \param V - vertical param
2768 * \retval gp_Pnt - result point
2770 //================================================================================
2772 gp_Pnt StdMeshers_PrismAsBlock::TSideFace::Value(const Standard_Real U,
2773 const Standard_Real V) const
2775 if ( !myComponents.empty() ) {
2777 TSideFace * comp = GetComponent(U,u);
2778 return comp->Value( u, V );
2781 TParam2ColumnIt u_col1, u_col2;
2782 double vR, hR = GetColumns( U, u_col1, u_col2 );
2784 const SMDS_MeshNode* nn[4];
2786 // BEGIN issue 0020680: Bad cell created by Radial prism in center of torus
2787 // Workaround for a wrongly located point returned by mySurface.Value() for
2788 // UV located near boundary of BSpline surface.
2789 // To bypass the problem, we take point from 3D curve of EDGE.
2790 // It solves pb of the bloc_fiss_new.py
2791 const double tol = 1e-3;
2792 if ( V < tol || V+tol >= 1. )
2794 nn[0] = V < tol ? u_col1->second.front() : u_col1->second.back();
2795 nn[2] = V < tol ? u_col2->second.front() : u_col2->second.back();
2803 TopoDS_Shape s = myHelper->GetSubShapeByNode( nn[0], myHelper->GetMeshDS() );
2804 if ( s.ShapeType() != TopAbs_EDGE )
2805 s = myHelper->GetSubShapeByNode( nn[2], myHelper->GetMeshDS() );
2806 if ( s.ShapeType() == TopAbs_EDGE )
2807 edge = TopoDS::Edge( s );
2809 if ( !edge.IsNull() )
2811 double u1 = myHelper->GetNodeU( edge, nn[0] );
2812 double u3 = myHelper->GetNodeU( edge, nn[2] );
2813 double u = u1 * ( 1 - hR ) + u3 * hR;
2814 TopLoc_Location loc; double f,l;
2815 Handle(Geom_Curve) curve = BRep_Tool::Curve( edge,loc,f,l );
2816 return curve->Value( u ).Transformed( loc );
2819 // END issue 0020680: Bad cell created by Radial prism in center of torus
2821 vR = getRAndNodes( & u_col1->second, V, nn[0], nn[1] );
2822 vR = getRAndNodes( & u_col2->second, V, nn[2], nn[3] );
2824 if ( !myShapeID2Surf.empty() ) // side is vertically composite
2826 // find a FACE on which the 4 nodes lie
2827 TSideFace* me = (TSideFace*) this;
2828 int notFaceID1 = 0, notFaceID2 = 0;
2829 for ( int i = 0; i < 4; ++i )
2830 if ( nn[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) // node on FACE
2832 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2836 else if ( notFaceID1 == 0 ) // node on EDGE or VERTEX
2838 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2839 notFaceID1 = nn[i]->getshapeId();
2841 else if ( notFaceID1 != nn[i]->getshapeId() ) // node on other EDGE or VERTEX
2843 if ( mySurface != me->myShapeID2Surf[ nn[i]->getshapeId() ])
2844 notFaceID2 = nn[i]->getshapeId();
2846 if ( notFaceID2 ) // no nodes of FACE and nodes are on different FACEs
2848 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2849 TopoDS_Shape face = myHelper->GetCommonAncestor( meshDS->IndexToShape( notFaceID1 ),
2850 meshDS->IndexToShape( notFaceID2 ),
2851 *myHelper->GetMesh(),
2853 if ( face.IsNull() )
2854 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() face.IsNull()");
2855 int faceID = meshDS->ShapeToIndex( face );
2856 me->mySurface = me->myShapeID2Surf[ faceID ];
2858 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() !mySurface");
2862 gp_XY uv1 = myHelper->GetNodeUV( mySurface->Face(), nn[0], nn[2]);
2863 gp_XY uv2 = myHelper->GetNodeUV( mySurface->Face(), nn[1], nn[3]);
2864 gp_XY uv12 = uv1 * ( 1 - vR ) + uv2 * vR;
2866 gp_XY uv3 = myHelper->GetNodeUV( mySurface->Face(), nn[2], nn[0]);
2867 gp_XY uv4 = myHelper->GetNodeUV( mySurface->Face(), nn[3], nn[1]);
2868 gp_XY uv34 = uv3 * ( 1 - vR ) + uv4 * vR;
2870 gp_XY uv = uv12 * ( 1 - hR ) + uv34 * hR;
2872 gp_Pnt p = mySurface->Value( uv.X(), uv.Y() );
2877 //================================================================================
2879 * \brief Return boundary edge
2880 * \param edge - edge index
2881 * \retval TopoDS_Edge - found edge
2883 //================================================================================
2885 TopoDS_Edge StdMeshers_PrismAsBlock::TSideFace::GetEdge(const int iEdge) const
2887 if ( !myComponents.empty() ) {
2889 case V0_EDGE : return myComponents.front()->GetEdge( iEdge );
2890 case V1_EDGE : return myComponents.back() ->GetEdge( iEdge );
2891 default: return TopoDS_Edge();
2895 const SMDS_MeshNode* node = 0;
2896 SMESHDS_Mesh * meshDS = myHelper->GetMesh()->GetMeshDS();
2897 TNodeColumn* column;
2902 column = & (( ++myParamToColumnMap->begin())->second );
2903 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2904 edge = myHelper->GetSubShapeByNode ( node, meshDS );
2905 if ( edge.ShapeType() == TopAbs_VERTEX ) {
2906 column = & ( myParamToColumnMap->begin()->second );
2907 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2912 bool back = ( iEdge == V1_EDGE );
2913 if ( !myIsForward ) back = !back;
2915 column = & ( myParamToColumnMap->rbegin()->second );
2917 column = & ( myParamToColumnMap->begin()->second );
2918 if ( column->size() > 0 )
2919 edge = myHelper->GetSubShapeByNode( (*column)[ 1 ], meshDS );
2920 if ( edge.IsNull() || edge.ShapeType() == TopAbs_VERTEX )
2921 node = column->front();
2926 if ( !edge.IsNull() && edge.ShapeType() == TopAbs_EDGE )
2927 return TopoDS::Edge( edge );
2929 // find edge by 2 vertices
2930 TopoDS_Shape V1 = edge;
2931 TopoDS_Shape V2 = myHelper->GetSubShapeByNode( node, meshDS );
2932 if ( !V2.IsNull() && V2.ShapeType() == TopAbs_VERTEX && !V2.IsSame( V1 ))
2934 TopoDS_Shape ancestor = myHelper->GetCommonAncestor( V1, V2, *myHelper->GetMesh(), TopAbs_EDGE);
2935 if ( !ancestor.IsNull() )
2936 return TopoDS::Edge( ancestor );
2938 return TopoDS_Edge();
2941 //================================================================================
2943 * \brief Fill block sub-shapes
2944 * \param shapeMap - map to fill in
2945 * \retval int - nb inserted sub-shapes
2947 //================================================================================
2949 int StdMeshers_PrismAsBlock::TSideFace::InsertSubShapes(TBlockShapes& shapeMap) const
2954 vector< int > edgeIdVec;
2955 SMESH_Block::GetFaceEdgesIDs( myID, edgeIdVec );
2957 for ( int i = BOTTOM_EDGE; i <=V1_EDGE ; ++i ) {
2958 TopoDS_Edge e = GetEdge( i );
2959 if ( !e.IsNull() ) {
2960 nbInserted += SMESH_Block::Insert( e, edgeIdVec[ i ], shapeMap);
2964 // Insert corner vertices
2966 TParam2ColumnIt col1, col2 ;
2967 vector< int > vertIdVec;
2970 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V0_EDGE ], vertIdVec);
2971 GetColumns(0, col1, col2 );
2972 const SMDS_MeshNode* node0 = col1->second.front();
2973 const SMDS_MeshNode* node1 = col1->second.back();
2974 TopoDS_Shape v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2975 TopoDS_Shape v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2976 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2977 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2979 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2980 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2984 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V1_EDGE ], vertIdVec);
2985 GetColumns(1, col1, col2 );
2986 node0 = col2->second.front();
2987 node1 = col2->second.back();
2988 v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2989 v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2990 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2991 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2993 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2994 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2997 // TopoDS_Vertex V0, V1, Vcom;
2998 // TopExp::Vertices( myBaseEdge, V0, V1, true );
2999 // if ( !myIsForward ) std::swap( V0, V1 );
3001 // // bottom vertex IDs
3002 // SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ _u0 ], vertIdVec);
3003 // SMESH_Block::Insert( V0, vertIdVec[ 0 ], shapeMap);
3004 // SMESH_Block::Insert( V1, vertIdVec[ 1 ], shapeMap);
3006 // TopoDS_Edge sideEdge = GetEdge( V0_EDGE );
3007 // if ( sideEdge.IsNull() || !TopExp::CommonVertex( botEdge, sideEdge, Vcom ))
3010 // // insert one side edge
3012 // if ( Vcom.IsSame( V0 )) edgeID = edgeIdVec[ _v0 ];
3013 // else edgeID = edgeIdVec[ _v1 ];
3014 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
3016 // // top vertex of the side edge
3017 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec);
3018 // TopoDS_Vertex Vtop = TopExp::FirstVertex( sideEdge );
3019 // if ( Vcom.IsSame( Vtop ))
3020 // Vtop = TopExp::LastVertex( sideEdge );
3021 // SMESH_Block::Insert( Vtop, vertIdVec[ 1 ], shapeMap);
3023 // // other side edge
3024 // sideEdge = GetEdge( V1_EDGE );
3025 // if ( sideEdge.IsNull() )
3027 // if ( edgeID = edgeIdVec[ _v1 ]) edgeID = edgeIdVec[ _v0 ];
3028 // else edgeID = edgeIdVec[ _v1 ];
3029 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
3032 // TopoDS_Edge topEdge = GetEdge( TOP_EDGE );
3033 // SMESH_Block::Insert( topEdge, edgeIdVec[ _u1 ], shapeMap);
3035 // // top vertex of the other side edge
3036 // if ( !TopExp::CommonVertex( topEdge, sideEdge, Vcom ))
3038 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec );
3039 // SMESH_Block::Insert( Vcom, vertIdVec[ 1 ], shapeMap);
3044 //================================================================================
3046 * \brief Dump ids of nodes of sides
3048 //================================================================================
3050 void StdMeshers_PrismAsBlock::TSideFace::dumpNodes(int nbNodes) const
3053 cout << endl << "NODES OF FACE "; SMESH_Block::DumpShapeID( myID, cout ) << endl;
3054 THorizontalEdgeAdaptor* hSize0 = (THorizontalEdgeAdaptor*) HorizCurve(0);
3055 cout << "Horiz side 0: "; hSize0->dumpNodes(nbNodes); cout << endl;
3056 THorizontalEdgeAdaptor* hSize1 = (THorizontalEdgeAdaptor*) HorizCurve(1);
3057 cout << "Horiz side 1: "; hSize1->dumpNodes(nbNodes); cout << endl;
3058 TVerticalEdgeAdaptor* vSide0 = (TVerticalEdgeAdaptor*) VertiCurve(0);
3059 cout << "Verti side 0: "; vSide0->dumpNodes(nbNodes); cout << endl;
3060 TVerticalEdgeAdaptor* vSide1 = (TVerticalEdgeAdaptor*) VertiCurve(1);
3061 cout << "Verti side 1: "; vSide1->dumpNodes(nbNodes); cout << endl;
3062 delete hSize0; delete hSize1; delete vSide0; delete vSide1;
3066 //================================================================================
3068 * \brief Creates TVerticalEdgeAdaptor
3069 * \param columnsMap - node column map
3070 * \param parameter - normalized parameter
3072 //================================================================================
3074 StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::
3075 TVerticalEdgeAdaptor( const TParam2ColumnMap* columnsMap, const double parameter)
3077 myNodeColumn = & getColumn( columnsMap, parameter )->second;
3080 //================================================================================
3082 * \brief Return coordinates for the given normalized parameter
3083 * \param U - normalized parameter
3084 * \retval gp_Pnt - coordinates
3086 //================================================================================
3088 gp_Pnt StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::Value(const Standard_Real U) const
3090 const SMDS_MeshNode* n1;
3091 const SMDS_MeshNode* n2;
3092 double r = getRAndNodes( myNodeColumn, U, n1, n2 );
3093 return gpXYZ(n1) * ( 1 - r ) + gpXYZ(n2) * r;
3096 //================================================================================
3098 * \brief Dump ids of nodes
3100 //================================================================================
3102 void StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::dumpNodes(int nbNodes) const
3105 for ( int i = 0; i < nbNodes && i < myNodeColumn->size(); ++i )
3106 cout << (*myNodeColumn)[i]->GetID() << " ";
3107 if ( nbNodes < myNodeColumn->size() )
3108 cout << myNodeColumn->back()->GetID();
3112 //================================================================================
3114 * \brief Return coordinates for the given normalized parameter
3115 * \param U - normalized parameter
3116 * \retval gp_Pnt - coordinates
3118 //================================================================================
3120 gp_Pnt StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::Value(const Standard_Real U) const
3122 return mySide->TSideFace::Value( U, myV );
3125 //================================================================================
3127 * \brief Dump ids of <nbNodes> first nodes and the last one
3129 //================================================================================
3131 void StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::dumpNodes(int nbNodes) const
3134 // Not bedugged code. Last node is sometimes incorrect
3135 const TSideFace* side = mySide;
3137 if ( mySide->IsComplex() )
3138 side = mySide->GetComponent(0,u);
3140 TParam2ColumnIt col, col2;
3141 TParam2ColumnMap* u2cols = side->GetColumns();
3142 side->GetColumns( u , col, col2 );
3144 int j, i = myV ? mySide->ColumnHeight()-1 : 0;
3146 const SMDS_MeshNode* n = 0;
3147 const SMDS_MeshNode* lastN
3148 = side->IsForward() ? u2cols->rbegin()->second[ i ] : u2cols->begin()->second[ i ];
3149 for ( j = 0; j < nbNodes && n != lastN; ++j )
3151 n = col->second[ i ];
3152 cout << n->GetID() << " ";
3153 if ( side->IsForward() )
3161 if ( mySide->IsComplex() )
3162 side = mySide->GetComponent(1,u);
3164 side->GetColumns( u , col, col2 );
3165 if ( n != col->second[ i ] )
3166 cout << col->second[ i ]->GetID();
3169 //================================================================================
3171 * \brief Return UV on pcurve for the given normalized parameter
3172 * \param U - normalized parameter
3173 * \retval gp_Pnt - coordinates
3175 //================================================================================
3177 gp_Pnt2d StdMeshers_PrismAsBlock::TPCurveOnHorFaceAdaptor::Value(const Standard_Real U) const
3179 TParam2ColumnIt u_col1, u_col2;
3180 double r = mySide->GetColumns( U, u_col1, u_col2 );
3181 gp_XY uv1 = mySide->GetNodeUV( myFace, u_col1->second[ myZ ]);
3182 gp_XY uv2 = mySide->GetNodeUV( myFace, u_col2->second[ myZ ]);
3183 return uv1 * ( 1 - r ) + uv2 * r;