1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // File : StdMeshers_Prism_3D.cxx
25 // Created : Fri Oct 20 11:37:07 2006
26 // Author : Edward AGAPOV (eap)
28 #include "StdMeshers_Prism_3D.hxx"
30 #include "SMDS_EdgePosition.hxx"
31 #include "SMDS_VolumeOfNodes.hxx"
32 #include "SMDS_VolumeTool.hxx"
33 #include "SMESH_Comment.hxx"
34 #include "SMESH_Gen.hxx"
35 #include "SMESH_HypoFilter.hxx"
36 #include "SMESH_MesherHelper.hxx"
37 #include "StdMeshers_FaceSide.hxx"
38 #include "StdMeshers_ProjectionSource1D.hxx"
39 #include "StdMeshers_ProjectionSource2D.hxx"
40 #include "StdMeshers_ProjectionUtils.hxx"
41 #include "StdMeshers_Projection_1D.hxx"
42 #include "StdMeshers_Projection_1D2D.hxx"
43 #include "StdMeshers_Quadrangle_2D.hxx"
45 #include "utilities.h"
47 #include <BRepAdaptor_CompCurve.hxx>
48 #include <BRep_Tool.hxx>
49 #include <Bnd_B3d.hxx>
50 #include <Geom2dAdaptor_Curve.hxx>
51 #include <Geom2d_Line.hxx>
52 #include <Geom_Curve.hxx>
54 #include <TopExp_Explorer.hxx>
55 #include <TopTools_ListIteratorOfListOfShape.hxx>
56 #include <TopTools_ListOfShape.hxx>
57 #include <TopTools_MapOfShape.hxx>
58 #include <TopTools_SequenceOfShape.hxx>
65 #define RETURN_BAD_RESULT(msg) { MESSAGE(")-: Error: " << msg); return false; }
66 #define gpXYZ(n) gp_XYZ(n->X(),n->Y(),n->Z())
67 #define SHOWYXZ(msg, xyz) // {\
69 // cout << msg << " ("<< p.X() << "; " <<p.Y() << "; " <<p.Z() << ") " <<endl;\
72 typedef StdMeshers_ProjectionUtils TAssocTool;
73 typedef SMESH_Comment TCom;
75 enum { ID_BOT_FACE = SMESH_Block::ID_Fxy0,
76 ID_TOP_FACE = SMESH_Block::ID_Fxy1,
77 BOTTOM_EDGE = 0, TOP_EDGE, V0_EDGE, V1_EDGE, // edge IDs in face
78 NB_WALL_FACES = 4 }; //
82 //=======================================================================
84 * \brief Quadrangle algorithm
86 struct TQuadrangleAlgo : public StdMeshers_Quadrangle_2D
88 TQuadrangleAlgo(int studyId, SMESH_Gen* gen)
89 : StdMeshers_Quadrangle_2D( gen->GetANewId(), studyId, gen)
92 static StdMeshers_Quadrangle_2D* instance( SMESH_Algo* fatherAlgo,
95 static TQuadrangleAlgo* algo = new TQuadrangleAlgo( fatherAlgo->GetStudyId(),
96 fatherAlgo->GetGen() );
99 algo->myProxyMesh->GetMesh() != mesh )
100 algo->myProxyMesh.reset( new SMESH_ProxyMesh( *mesh ));
102 algo->myQuadStruct.reset();
107 //=======================================================================
109 * \brief Algorithm projecting 1D mesh
111 struct TProjction1dAlgo : public StdMeshers_Projection_1D
113 StdMeshers_ProjectionSource1D myHyp;
115 TProjction1dAlgo(int studyId, SMESH_Gen* gen)
116 : StdMeshers_Projection_1D( gen->GetANewId(), studyId, gen),
117 myHyp( gen->GetANewId(), studyId, gen)
119 StdMeshers_Projection_1D::_sourceHypo = & myHyp;
121 static TProjction1dAlgo* instance( SMESH_Algo* fatherAlgo )
123 static TProjction1dAlgo* algo = new TProjction1dAlgo( fatherAlgo->GetStudyId(),
124 fatherAlgo->GetGen() );
128 //=======================================================================
130 * \brief Algorithm projecting 2D mesh
132 struct TProjction2dAlgo : public StdMeshers_Projection_1D2D
134 StdMeshers_ProjectionSource2D myHyp;
136 TProjction2dAlgo(int studyId, SMESH_Gen* gen)
137 : StdMeshers_Projection_1D2D( gen->GetANewId(), studyId, gen),
138 myHyp( gen->GetANewId(), studyId, gen)
140 StdMeshers_Projection_2D::_sourceHypo = & myHyp;
142 static TProjction2dAlgo* instance( SMESH_Algo* fatherAlgo )
144 static TProjction2dAlgo* algo = new TProjction2dAlgo( fatherAlgo->GetStudyId(),
145 fatherAlgo->GetGen() );
150 //================================================================================
152 * \brief Make \a botE be the BOTTOM_SIDE of \a quad.
153 * Return false if the BOTTOM_SIDE is composite
155 //================================================================================
157 bool setBottomEdge( const TopoDS_Edge& botE,
158 faceQuadStruct::Ptr& quad,
159 const TopoDS_Shape& face)
161 quad->side[ QUAD_TOP_SIDE ]->Reverse();
162 quad->side[ QUAD_LEFT_SIDE ]->Reverse();
164 for ( size_t i = 0; i < quad->side.size(); ++i )
166 StdMeshers_FaceSide* quadSide = quad->side[i];
167 for ( int iE = 0; iE < quadSide->NbEdges(); ++iE )
168 if ( botE.IsSame( quadSide->Edge( iE )))
170 if ( quadSide->NbEdges() > 1 )
173 i = quad->side.size(); // to quit from the outer loop
177 if ( edgeIndex != QUAD_BOTTOM_SIDE )
178 quad->shift( quad->side.size() - edgeIndex, /*keepUnitOri=*/false );
180 quad->face = TopoDS::Face( face );
185 //================================================================================
187 * \brief Return iterator pointing to node column for the given parameter
188 * \param columnsMap - node column map
189 * \param parameter - parameter
190 * \retval TParam2ColumnMap::iterator - result
192 * it returns closest left column
194 //================================================================================
196 TParam2ColumnIt getColumn( const TParam2ColumnMap* columnsMap,
197 const double parameter )
199 TParam2ColumnIt u_col = columnsMap->upper_bound( parameter );
200 if ( u_col != columnsMap->begin() )
202 return u_col; // return left column
205 //================================================================================
207 * \brief Return nodes around given parameter and a ratio
208 * \param column - node column
209 * \param param - parameter
210 * \param node1 - lower node
211 * \param node2 - upper node
212 * \retval double - ratio
214 //================================================================================
216 double getRAndNodes( const TNodeColumn* column,
218 const SMDS_MeshNode* & node1,
219 const SMDS_MeshNode* & node2)
221 if ( param >= 1.0 || column->size() == 1) {
222 node1 = node2 = column->back();
226 int i = int( param * ( column->size() - 1 ));
227 double u0 = double( i )/ double( column->size() - 1 );
228 double r = ( param - u0 ) * ( column->size() - 1 );
230 node1 = (*column)[ i ];
231 node2 = (*column)[ i + 1];
235 //================================================================================
237 * \brief Compute boundary parameters of face parts
238 * \param nbParts - nb of parts to split columns into
239 * \param columnsMap - node columns of the face to split
240 * \param params - computed parameters
242 //================================================================================
244 void splitParams( const int nbParts,
245 const TParam2ColumnMap* columnsMap,
246 vector< double > & params)
249 params.reserve( nbParts + 1 );
250 TParam2ColumnIt last_par_col = --columnsMap->end();
251 double par = columnsMap->begin()->first; // 0.
252 double parLast = last_par_col->first;
253 params.push_back( par );
254 for ( int i = 0; i < nbParts - 1; ++ i )
256 double partSize = ( parLast - par ) / double ( nbParts - i );
257 TParam2ColumnIt par_col = getColumn( columnsMap, par + partSize );
258 if ( par_col->first == par ) {
260 if ( par_col == last_par_col ) {
261 while ( i < nbParts - 1 )
262 params.push_back( par + partSize * i++ );
266 par = par_col->first;
267 params.push_back( par );
269 params.push_back( parLast ); // 1.
272 //================================================================================
274 * \brief Return coordinate system for z-th layer of nodes
276 //================================================================================
278 gp_Ax2 getLayerCoordSys(const int z,
279 const vector< const TNodeColumn* >& columns,
282 // gravity center of a layer
285 for ( int i = 0; i < columns.size(); ++i )
287 O += gpXYZ( (*columns[ i ])[ z ]);
288 if ( vertexCol < 0 &&
289 columns[ i ]->front()->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
296 int iPrev = columns.size()-1;
297 for ( int i = 0; i < columns.size(); ++i )
299 gp_Vec v1( O, gpXYZ( (*columns[ iPrev ])[ z ]));
300 gp_Vec v2( O, gpXYZ( (*columns[ i ] )[ z ]));
305 if ( vertexCol >= 0 )
307 O = gpXYZ( (*columns[ vertexCol ])[ z ]);
309 if ( xColumn < 0 || xColumn >= columns.size() )
311 // select a column for X dir
313 for ( int i = 0; i < columns.size(); ++i )
315 double dist = ( O - gpXYZ((*columns[ i ])[ z ])).SquareModulus();
316 if ( dist > maxDist )
325 gp_Vec X( O, gpXYZ( (*columns[ xColumn ])[ z ]));
327 return gp_Ax2( O, Z, X);
330 //================================================================================
332 * \brief Removes submeshes that are or can be meshed with regular grid from given list
333 * \retval int - nb of removed submeshes
335 //================================================================================
337 int removeQuasiQuads(list< SMESH_subMesh* >& notQuadSubMesh,
338 SMESH_MesherHelper* helper,
339 StdMeshers_Quadrangle_2D* quadAlgo)
342 //SMESHDS_Mesh* mesh = notQuadSubMesh.front()->GetFather()->GetMeshDS();
343 list< SMESH_subMesh* >::iterator smIt = notQuadSubMesh.begin();
344 while ( smIt != notQuadSubMesh.end() )
346 SMESH_subMesh* faceSm = *smIt;
347 SMESHDS_SubMesh* faceSmDS = faceSm->GetSubMeshDS();
348 int nbQuads = faceSmDS ? faceSmDS->NbElements() : 0;
351 toRemove = helper->IsStructured( faceSm );
353 toRemove = quadAlgo->CheckNbEdges( *helper->GetMesh(),
354 faceSm->GetSubShape() );
355 nbRemoved += toRemove;
357 smIt = notQuadSubMesh.erase( smIt );
367 //=======================================================================
368 //function : StdMeshers_Prism_3D
370 //=======================================================================
372 StdMeshers_Prism_3D::StdMeshers_Prism_3D(int hypId, int studyId, SMESH_Gen* gen)
373 :SMESH_3D_Algo(hypId, studyId, gen)
376 _shapeType = (1 << TopAbs_SOLID); // 1 bit per shape type
377 _onlyUnaryInput = false; // accept all SOLIDs at once
378 _requireDiscreteBoundary = false; // mesh FACEs and EDGEs by myself
379 _supportSubmeshes = true; // "source" FACE must be meshed by other algo
380 _neededLowerHyps[ 1 ] = true; // suppress warning on hiding a global 1D algo
381 _neededLowerHyps[ 2 ] = true; // suppress warning on hiding a global 2D algo
383 //myProjectTriangles = false;
384 mySetErrorToSM = true; // to pass an error to a sub-mesh of a current solid or not
387 //================================================================================
391 //================================================================================
393 StdMeshers_Prism_3D::~StdMeshers_Prism_3D()
396 //=======================================================================
397 //function : CheckHypothesis
399 //=======================================================================
401 bool StdMeshers_Prism_3D::CheckHypothesis(SMESH_Mesh& aMesh,
402 const TopoDS_Shape& aShape,
403 SMESH_Hypothesis::Hypothesis_Status& aStatus)
405 // Check shape geometry
407 aStatus = SMESH_Hypothesis::HYP_BAD_GEOMETRY;
409 // find not quadrangle faces
410 list< TopoDS_Shape > notQuadFaces;
411 int nbEdge, nbWire, nbFace = 0;
412 TopExp_Explorer exp( aShape, TopAbs_FACE );
413 for ( ; exp.More(); exp.Next() ) {
415 const TopoDS_Shape& face = exp.Current();
416 nbEdge = TAssocTool::Count( face, TopAbs_EDGE, 0 );
417 nbWire = TAssocTool::Count( face, TopAbs_WIRE, 0 );
418 if ( nbEdge!= 4 || nbWire!= 1 ) {
419 if ( !notQuadFaces.empty() ) {
420 if ( TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 ) != nbEdge ||
421 TAssocTool::Count( notQuadFaces.back(), TopAbs_WIRE, 0 ) != nbWire )
422 RETURN_BAD_RESULT("Different not quad faces");
424 notQuadFaces.push_back( face );
427 if ( !notQuadFaces.empty() )
429 if ( notQuadFaces.size() != 2 )
430 RETURN_BAD_RESULT("Bad nb not quad faces: " << notQuadFaces.size());
432 // check total nb faces
433 nbEdge = TAssocTool::Count( notQuadFaces.back(), TopAbs_EDGE, 0 );
434 if ( nbFace != nbEdge + 2 )
435 RETURN_BAD_RESULT("Bad nb of faces: " << nbFace << " but must be " << nbEdge + 2);
439 aStatus = SMESH_Hypothesis::HYP_OK;
443 //=======================================================================
445 //purpose : Compute mesh on a COMPOUND of SOLIDs
446 //=======================================================================
448 bool StdMeshers_Prism_3D::Compute(SMESH_Mesh& theMesh, const TopoDS_Shape& theShape)
450 SMESH_MesherHelper helper( theMesh );
453 int nbSolids = helper.Count( theShape, TopAbs_SOLID, /*skipSame=*/false );
457 Prism_3D::TPrismTopo prism;
461 return ( initPrism( prism, TopExp_Explorer( theShape, TopAbs_SOLID ).Current() ) &&
465 TopTools_IndexedDataMapOfShapeListOfShape faceToSolids;
466 TopExp::MapShapesAndAncestors( theShape, TopAbs_FACE, TopAbs_SOLID, faceToSolids );
468 // look for meshed FACEs ("source" FACEs) that must be prism bottoms
469 list< TopoDS_Face > meshedFaces;//, notQuadMeshedFaces, notQuadFaces;
470 const bool meshHasQuads = ( theMesh.NbQuadrangles() > 0 );
471 for ( int iF = 1; iF < faceToSolids.Extent(); ++iF )
473 const TopoDS_Face& face = TopoDS::Face( faceToSolids.FindKey( iF ));
474 SMESH_subMesh* faceSM = theMesh.GetSubMesh( face );
475 if ( !faceSM->IsEmpty() )
477 if ( !meshHasQuads ||
478 !helper.IsSameElemGeometry( faceSM->GetSubMeshDS(), SMDSGeom_QUADRANGLE ) ||
479 !helper.IsStructured( faceSM ))
480 // notQuadMeshedFaces are of higher priority
481 meshedFaces.push_front( face );
483 meshedFaces.push_back( face );
486 //meshedFaces.splice( meshedFaces.begin(), notQuadMeshedFaces );
488 if ( meshedFaces.empty() )
489 return error( COMPERR_BAD_INPUT_MESH, "No meshed source faces found" );
491 TopTools_MapOfShape meshedSolids;
492 list< Prism_3D::TPrismTopo > meshedPrism;
493 TopTools_ListIteratorOfListOfShape solidIt;
495 while ( meshedSolids.Extent() < nbSolids )
497 if ( _computeCanceled )
498 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
500 // compute prisms having avident computed source FACE
501 while ( !meshedFaces.empty() )
503 TopoDS_Face face = meshedFaces.front();
504 meshedFaces.pop_front();
505 solidIt.Initialize( faceToSolids.FindFromKey( face ));
506 for ( ; solidIt.More(); solidIt.Next() )
508 const TopoDS_Shape& solid = solidIt.Value();
509 if ( !meshedSolids.Add( solid ))
510 continue; // already computed prism
513 prism.myBottom = face;
514 if ( !initPrism( prism, solid ) ||
518 meshedFaces.push_front( prism.myTop );
519 meshedPrism.push_back( prism );
522 if ( meshedSolids.Extent() == nbSolids )
525 // project mesh from source FACEs of computed prisms to
526 // prisms sharing wall FACEs
527 list< Prism_3D::TPrismTopo >::iterator prismIt = meshedPrism.begin();
528 for ( ; prismIt != meshedPrism.end(); ++prismIt )
530 for ( size_t iW = 0; iW < prismIt->myWallQuads.size(); ++iW )
532 Prism_3D::TQuadList::iterator wQuad = prismIt->myWallQuads[iW].begin();
533 for ( ; wQuad != prismIt->myWallQuads[iW].end(); ++ wQuad )
535 const TopoDS_Face& wFace = (*wQuad)->face;
536 solidIt.Initialize( faceToSolids.FindFromKey( wFace ));
537 for ( ; solidIt.More(); solidIt.Next() )
539 const TopoDS_Shape& solid = solidIt.Value();
540 if ( meshedSolids.Contains( solid ))
541 continue; // already computed prism
543 // find a source FACE of the SOLID: it's a FACE sharing a bottom EDGE with wFace
544 const TopoDS_Edge& wEdge = (*wQuad)->side[ QUAD_TOP_SIDE ]->Edge(0);
545 PShapeIteratorPtr faceIt = myHelper->GetAncestors( wEdge, *myHelper->GetMesh(),
547 while ( const TopoDS_Shape* f = faceIt->next() )
549 const TopoDS_Face& candidateF = TopoDS::Face( *f );
551 prism.myBottom = candidateF;
552 mySetErrorToSM = false;
553 if ( !myHelper->IsSubShape( candidateF, prismIt->myShape3D ) &&
554 !myHelper->GetMesh()->GetSubMesh( candidateF )->IsMeshComputed() &&
555 initPrism( prism, solid ) &&
556 project2dMesh( prismIt->myBottom, candidateF))
558 mySetErrorToSM = true;
559 if ( !compute( prism ))
561 meshedFaces.push_front( prism.myTop );
562 meshedFaces.push_front( prism.myBottom );
563 meshedPrism.push_back( prism );
564 meshedSolids.Add( solid );
568 mySetErrorToSM = true;
573 if ( !meshedFaces.empty() )
574 break; // to compute prisms with avident sources
577 // TODO. there are other ways to find out the source FACE:
578 // propagation, topological similarity, ect.
581 if ( meshedFaces.empty() ) // set same error to 10 not-computed solids
583 SMESH_ComputeErrorPtr err = SMESH_ComputeError::New
584 ( COMPERR_BAD_INPUT_MESH, "No meshed source face found", this );
586 const int maxNbErrors = 10; // limit nb errors not to overload the Compute dialog
587 TopExp_Explorer solid( theShape, TopAbs_SOLID );
588 for ( int i = 0; ( i < maxNbErrors && solid.More() ); ++i, solid.Next() )
589 if ( !meshedSolids.Contains( solid.Current() ))
591 SMESH_subMesh* sm = theMesh.GetSubMesh( solid.Current() );
592 sm->GetComputeError() = err;
600 //================================================================================
602 * \brief Find wall faces by bottom edges
604 //================================================================================
606 bool StdMeshers_Prism_3D::getWallFaces( Prism_3D::TPrismTopo & thePrism,
607 const int totalNbFaces)
609 thePrism.myWallQuads.clear();
611 SMESH_Mesh* mesh = myHelper->GetMesh();
613 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, mesh );
615 TopTools_MapOfShape faceMap;
616 TopTools_IndexedDataMapOfShapeListOfShape edgeToFaces;
617 TopExp::MapShapesAndAncestors( thePrism.myShape3D,
618 TopAbs_EDGE, TopAbs_FACE, edgeToFaces );
620 // ------------------------------
621 // Get the 1st row of wall FACEs
622 // ------------------------------
624 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
625 std::list< int >::iterator nbE = thePrism.myNbEdgesInWires.begin();
627 while ( edge != thePrism.myBottomEdges.end() )
630 if ( BRep_Tool::Degenerated( *edge ))
632 edge = thePrism.myBottomEdges.erase( edge );
638 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( *edge ));
639 for ( ; faceIt.More(); faceIt.Next() )
641 const TopoDS_Face& face = TopoDS::Face( faceIt.Value() );
642 if ( !thePrism.myBottom.IsSame( face ))
644 Prism_3D::TQuadList quadList( 1, quadAlgo->CheckNbEdges( *mesh, face ));
645 if ( !quadList.back() )
646 return toSM( error(TCom("Side face #") << shapeID( face )
647 << " not meshable with quadrangles"));
648 if ( ! setBottomEdge( *edge, quadList.back(), face ))
649 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
650 thePrism.myWallQuads.push_back( quadList );
664 // -------------------------
665 // Find the rest wall FACEs
666 // -------------------------
668 // Compose a vector of indixes of right neighbour FACE for each wall FACE
669 // that is not so evident in case of several WIREs
670 thePrism.myRightQuadIndex.clear();
671 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
672 thePrism.myRightQuadIndex.push_back( i+1 );
673 list< int >::iterator nbEinW = thePrism.myNbEdgesInWires.begin();
674 for ( int iLeft = 0; nbEinW != thePrism.myNbEdgesInWires.end(); ++nbEinW )
676 thePrism.myRightQuadIndex[ iLeft + *nbEinW - 1 ] = iLeft; // 1st EDGE index of a current WIRE
680 while ( totalNbFaces - faceMap.Extent() > 2 )
682 // find wall FACEs adjacent to each of wallQuads by the right side EDGE
685 nbKnownFaces = faceMap.Extent();
686 StdMeshers_FaceSide *rightSide, *topSide; // sides of the quad
687 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
689 rightSide = thePrism.myWallQuads[i].back()->side[ QUAD_RIGHT_SIDE ];
690 for ( int iE = 0; iE < rightSide->NbEdges(); ++iE ) // rightSide can be composite
692 const TopoDS_Edge & rightE = rightSide->Edge( iE );
693 TopTools_ListIteratorOfListOfShape face( edgeToFaces.FindFromKey( rightE ));
694 for ( ; face.More(); face.Next() )
695 if ( faceMap.Add( face.Value() ))
697 // a new wall FACE encountered, store it in thePrism.myWallQuads
698 const int iRight = thePrism.myRightQuadIndex[i];
699 topSide = thePrism.myWallQuads[ iRight ].back()->side[ QUAD_TOP_SIDE ];
700 const TopoDS_Edge& newBotE = topSide->Edge(0);
701 const TopoDS_Shape& newWallF = face.Value();
702 thePrism.myWallQuads[ iRight ].push_back( quadAlgo->CheckNbEdges( *mesh, newWallF ));
703 if ( !thePrism.myWallQuads[ iRight ].back() )
704 return toSM( error(TCom("Side face #") << shapeID( newWallF ) <<
705 " not meshable with quadrangles"));
706 if ( ! setBottomEdge( newBotE, thePrism.myWallQuads[ iRight ].back(), newWallF ))
707 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
711 } while ( nbKnownFaces != faceMap.Extent() );
713 // find wall FACEs adjacent to each of thePrism.myWallQuads by the top side EDGE
714 if ( totalNbFaces - faceMap.Extent() > 2 )
716 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
718 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
719 const TopoDS_Edge & topE = topSide->Edge( 0 );
720 if ( topSide->NbEdges() > 1 )
721 return toSM( error(COMPERR_BAD_SHAPE, TCom("Side face #") <<
722 shapeID( thePrism.myWallQuads[i].back()->face )
723 << " has a composite top edge"));
724 TopTools_ListIteratorOfListOfShape faceIt( edgeToFaces.FindFromKey( topE ));
725 for ( ; faceIt.More(); faceIt.Next() )
726 if ( faceMap.Add( faceIt.Value() ))
728 // a new wall FACE encountered, store it in wallQuads
729 thePrism.myWallQuads[ i ].push_back( quadAlgo->CheckNbEdges( *mesh, faceIt.Value() ));
730 if ( !thePrism.myWallQuads[ i ].back() )
731 return toSM( error(TCom("Side face #") << shapeID( faceIt.Value() ) <<
732 " not meshable with quadrangles"));
733 if ( ! setBottomEdge( topE, thePrism.myWallQuads[ i ].back(), faceIt.Value() ))
734 return toSM( error(TCom("Composite 'horizontal' edges are not supported")));
735 if ( totalNbFaces - faceMap.Extent() == 2 )
737 i = thePrism.myWallQuads.size(); // to quit from the outer loop
743 } // while ( totalNbFaces - faceMap.Extent() > 2 )
745 // ------------------
747 // ------------------
749 if ( thePrism.myTop.IsNull() )
751 // now only top and bottom FACEs are not in the faceMap
752 faceMap.Add( thePrism.myBottom );
753 for ( TopExp_Explorer f( thePrism.myShape3D, TopAbs_FACE );f.More(); f.Next() )
754 if ( !faceMap.Contains( f.Current() )) {
755 thePrism.myTop = TopoDS::Face( f.Current() );
758 if ( thePrism.myTop.IsNull() )
759 return toSM( error("Top face not found"));
762 // Check that the top FACE shares all the top EDGEs
763 for ( size_t i = 0; i < thePrism.myWallQuads.size(); ++i )
765 StdMeshers_FaceSide* topSide = thePrism.myWallQuads[i].back()->side[ QUAD_TOP_SIDE ];
766 const TopoDS_Edge & topE = topSide->Edge( 0 );
767 if ( !myHelper->IsSubShape( topE, thePrism.myTop ))
768 return toSM( error( TCom("Wrong source face (#") << shapeID( thePrism.myBottom )));
774 //=======================================================================
776 //purpose : Compute mesh on a SOLID
777 //=======================================================================
779 bool StdMeshers_Prism_3D::compute(const Prism_3D::TPrismTopo& thePrism)
781 myHelper->IsQuadraticSubMesh( thePrism.myShape3D );
782 if ( _computeCanceled )
783 return toSM( error( SMESH_ComputeError::New(COMPERR_CANCELED)));
785 // Make all side FACEs of thePrism meshed with quads
786 if ( !computeWalls( thePrism ))
789 // Analyse mesh and geometry to find block sub-shapes and submeshes
790 if ( !myBlock.Init( myHelper, thePrism ))
791 return toSM( error( myBlock.GetError()));
793 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
795 int volumeID = meshDS->ShapeToIndex( thePrism.myShape3D );
798 // To compute coordinates of a node inside a block, it is necessary to know
799 // 1. normalized parameters of the node by which
800 // 2. coordinates of node projections on all block sub-shapes are computed
802 // So we fill projections on vertices at once as they are same for all nodes
803 myShapeXYZ.resize( myBlock.NbSubShapes() );
804 for ( int iV = SMESH_Block::ID_FirstV; iV < SMESH_Block::ID_FirstE; ++iV ) {
805 myBlock.VertexPoint( iV, myShapeXYZ[ iV ]);
806 SHOWYXZ("V point " <<iV << " ", myShapeXYZ[ iV ]);
809 // Projections on the top and bottom faces are taken from nodes existing
810 // on these faces; find correspondence between bottom and top nodes
811 myBotToColumnMap.clear();
812 if ( !assocOrProjBottom2Top() ) // it also fills myBotToColumnMap
816 // Create nodes inside the block
818 // try to use transformation (issue 0020680)
819 vector<gp_Trsf> trsf;
820 if ( myBlock.GetLayersTransformation(trsf))
822 // loop on nodes inside the bottom face
823 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
824 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
826 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
827 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
828 continue; // node is not inside face
830 // column nodes; middle part of the column are zero pointers
831 TNodeColumn& column = bot_column->second;
832 TNodeColumn::iterator columnNodes = column.begin();
833 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
835 const SMDS_MeshNode* & node = *columnNodes;
836 if ( node ) continue; // skip bottom or top node
838 gp_XYZ coords = tBotNode.GetCoords();
839 trsf[z-1].Transforms( coords );
840 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
841 meshDS->SetNodeInVolume( node, volumeID );
843 } // loop on bottom nodes
845 else // use block approach
847 // loop on nodes inside the bottom face
848 Prism_3D::TNode prevBNode;
849 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.begin();
850 for ( ; bot_column != myBotToColumnMap.end(); ++bot_column )
852 const Prism_3D::TNode& tBotNode = bot_column->first; // bottom TNode
853 if ( tBotNode.GetPositionType() != SMDS_TOP_FACE )
854 continue; // node is not inside face
856 // column nodes; middle part of the column are zero pointers
857 TNodeColumn& column = bot_column->second;
859 // compute bottom node parameters
860 gp_XYZ paramHint(-1,-1,-1);
861 if ( prevBNode.IsNeighbor( tBotNode ))
862 paramHint = prevBNode.GetParams();
863 if ( !myBlock.ComputeParameters( tBotNode.GetCoords(), tBotNode.ChangeParams(),
864 ID_BOT_FACE, paramHint ))
865 return toSM( error(TCom("Can't compute normalized parameters for node ")
866 << tBotNode.myNode->GetID() << " on the face #"
867 << myBlock.SubMesh( ID_BOT_FACE )->GetId() ));
868 prevBNode = tBotNode;
870 myShapeXYZ[ ID_BOT_FACE ] = tBotNode.GetCoords();
871 gp_XYZ botParams = tBotNode.GetParams();
873 // compute top node parameters
874 myShapeXYZ[ ID_TOP_FACE ] = gpXYZ( column.back() );
875 gp_XYZ topParams = botParams;
877 if ( column.size() > 2 ) {
878 gp_Pnt topCoords = myShapeXYZ[ ID_TOP_FACE ];
879 if ( !myBlock.ComputeParameters( topCoords, topParams, ID_TOP_FACE, topParams ))
880 return toSM( error(TCom("Can't compute normalized parameters ")
881 << "for node " << column.back()->GetID()
882 << " on the face #"<< column.back()->getshapeId() ));
886 TNodeColumn::iterator columnNodes = column.begin();
887 for ( int z = 0; columnNodes != column.end(); ++columnNodes, ++z)
889 const SMDS_MeshNode* & node = *columnNodes;
890 if ( node ) continue; // skip bottom or top node
892 // params of a node to create
893 double rz = (double) z / (double) ( column.size() - 1 );
894 gp_XYZ params = botParams * ( 1 - rz ) + topParams * rz;
896 // set coords on all faces and nodes
897 const int nbSideFaces = 4;
898 int sideFaceIDs[nbSideFaces] = { SMESH_Block::ID_Fx0z,
899 SMESH_Block::ID_Fx1z,
900 SMESH_Block::ID_F0yz,
901 SMESH_Block::ID_F1yz };
902 for ( int iF = 0; iF < nbSideFaces; ++iF )
903 if ( !setFaceAndEdgesXYZ( sideFaceIDs[ iF ], params, z ))
906 // compute coords for a new node
908 if ( !SMESH_Block::ShellPoint( params, myShapeXYZ, coords ))
909 return toSM( error("Can't compute coordinates by normalized parameters"));
911 SHOWYXZ("TOPFacePoint ",myShapeXYZ[ ID_TOP_FACE]);
912 SHOWYXZ("BOT Node "<< tBotNode.myNode->GetID(),gpXYZ(tBotNode.myNode));
913 SHOWYXZ("ShellPoint ",coords);
916 node = meshDS->AddNode( coords.X(), coords.Y(), coords.Z() );
917 meshDS->SetNodeInVolume( node, volumeID );
919 } // loop on bottom nodes
924 SMESHDS_SubMesh* smDS = myBlock.SubMeshDS( ID_BOT_FACE );
925 if ( !smDS ) return toSM( error(COMPERR_BAD_INPUT_MESH, "Null submesh"));
927 // loop on bottom mesh faces
928 SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
929 while ( faceIt->more() )
931 const SMDS_MeshElement* face = faceIt->next();
932 if ( !face || face->GetType() != SMDSAbs_Face )
935 // find node columns for each node
936 int nbNodes = face->NbCornerNodes();
937 vector< const TNodeColumn* > columns( nbNodes );
938 for ( int i = 0; i < nbNodes; ++i )
940 const SMDS_MeshNode* n = face->GetNode( i );
941 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
942 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
943 if ( bot_column == myBotToColumnMap.end() )
944 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
945 columns[ i ] = & bot_column->second;
948 columns[ i ] = myBlock.GetNodeColumn( n );
950 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
954 AddPrisms( columns, myHelper );
956 } // loop on bottom mesh faces
959 myBotToColumnMap.clear();
965 //=======================================================================
966 //function : computeWalls
967 //purpose : Compute 2D mesh on walls FACEs of a prism
968 //=======================================================================
970 bool StdMeshers_Prism_3D::computeWalls(const Prism_3D::TPrismTopo& thePrism)
972 SMESH_Mesh* mesh = myHelper->GetMesh();
973 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
975 TProjction1dAlgo* projector1D = TProjction1dAlgo::instance( this );
976 StdMeshers_Quadrangle_2D* quadAlgo = TQuadrangleAlgo::instance( this, mesh );
978 SMESH_HypoFilter hyp1dFilter( SMESH_HypoFilter::IsAlgo(),/*not=*/true);
979 hyp1dFilter.And( SMESH_HypoFilter::HasDim( 1 ));
980 hyp1dFilter.And( SMESH_HypoFilter::IsMoreLocalThan( thePrism.myShape3D, *mesh ));
982 // Discretize equally 'vertical' EDGEs
983 // -----------------------------------
984 // find source FACE sides for projection: either already computed ones or
985 // the 'most composite' ones
986 multimap< int, int > wgt2quad;
987 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
989 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
990 int wgt = 0; // "weight"
991 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
993 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ];
994 for ( int i = 0; i < lftSide->NbEdges(); ++i )
997 const TopoDS_Edge& E = lftSide->Edge(i);
998 if ( mesh->GetSubMesh( E )->IsMeshComputed() )
1000 else if ( mesh->GetHypothesis( E, hyp1dFilter, true )) // local hypothesis!
1004 wgt2quad.insert( make_pair( wgt, iW ));
1007 // Project 'vertical' EDGEs, from left to right
1008 multimap< int, int >::reverse_iterator w2q = wgt2quad.rbegin();
1009 for ( ; w2q != wgt2quad.rend(); ++w2q )
1011 const int iW = w2q->second;
1012 const Prism_3D::TQuadList& quads = thePrism.myWallQuads[ iW ];
1013 Prism_3D::TQuadList::const_iterator quad = quads.begin();
1014 for ( ; quad != quads.end(); ++quad )
1016 StdMeshers_FaceSide* rgtSide = (*quad)->side[ QUAD_RIGHT_SIDE ]; // tgt
1017 StdMeshers_FaceSide* lftSide = (*quad)->side[ QUAD_LEFT_SIDE ]; // src
1018 bool swapLeftRight = ( lftSide->NbSegments( /*update=*/true ) == 0 &&
1019 rgtSide->NbSegments( /*update=*/true ) > 0 );
1020 if ( swapLeftRight )
1021 std::swap( lftSide, rgtSide );
1023 // assure that all the source (left) EDGEs are meshed
1024 int nbSrcSegments = 0;
1025 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1027 const TopoDS_Edge& srcE = lftSide->Edge(i);
1028 SMESH_subMesh* srcSM = mesh->GetSubMesh( srcE );
1029 if ( !srcSM->IsMeshComputed() ) {
1030 srcSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1031 srcSM->ComputeStateEngine ( SMESH_subMesh::COMPUTE );
1032 if ( !srcSM->IsMeshComputed() )
1035 nbSrcSegments += srcSM->GetSubMeshDS()->NbElements();
1037 // check target EDGEs
1038 int nbTgtMeshed = 0, nbTgtSegments = 0;
1039 vector< bool > isTgtEdgeComputed( rgtSide->NbEdges() );
1040 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1042 const TopoDS_Edge& tgtE = rgtSide->Edge(i);
1043 SMESH_subMesh* tgtSM = mesh->GetSubMesh( tgtE );
1044 if (( isTgtEdgeComputed[ i ] = tgtSM->IsMeshComputed() )) {
1046 nbTgtSegments += tgtSM->GetSubMeshDS()->NbElements();
1049 if ( rgtSide->NbEdges() == nbTgtMeshed ) // all tgt EDGEs meshed
1051 if ( nbTgtSegments != nbSrcSegments )
1053 for ( int i = 0; i < lftSide->NbEdges(); ++i )
1054 addBadInputElements( meshDS->MeshElements( lftSide->Edge( i )));
1055 for ( int i = 0; i < rgtSide->NbEdges(); ++i )
1056 addBadInputElements( meshDS->MeshElements( rgtSide->Edge( i )));
1057 return toSM( error( TCom("Different nb of segment on logically vertical edges #")
1058 << shapeID( lftSide->Edge(0) ) << " and #"
1059 << shapeID( rgtSide->Edge(0) ) << ": "
1060 << nbSrcSegments << " != " << nbTgtSegments ));
1065 if ( nbTgtMeshed == 0 )
1067 // compute nodes on target VERTEXes
1068 const UVPtStructVec& srcNodeStr = lftSide->GetUVPtStruct();
1069 if ( srcNodeStr.size() == 0 )
1070 return toSM( error( TCom("Invalid node positions on edge #") <<
1071 shapeID( lftSide->Edge(0) )));
1072 vector< SMDS_MeshNode* > newNodes( srcNodeStr.size() );
1073 for ( int is2ndV = 0; is2ndV < 2; ++is2ndV )
1075 const TopoDS_Edge& E = rgtSide->Edge( is2ndV ? rgtSide->NbEdges()-1 : 0 );
1076 TopoDS_Vertex v = myHelper->IthVertex( is2ndV, E );
1077 mesh->GetSubMesh( v )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1078 const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, meshDS );
1079 newNodes[ is2ndV ? 0 : newNodes.size()-1 ] = (SMDS_MeshNode*) n;
1082 // compute nodes on target EDGEs
1083 rgtSide->Reverse(); // direct it same as the lftSide
1084 myHelper->SetElementsOnShape( false );
1085 TopoDS_Edge tgtEdge;
1086 for ( size_t iN = 1; iN < srcNodeStr.size()-1; ++iN ) // add nodes
1088 gp_Pnt p = rgtSide->Value3d ( srcNodeStr[ iN ].normParam );
1089 double u = rgtSide->Parameter( srcNodeStr[ iN ].normParam, tgtEdge );
1090 newNodes[ iN ] = meshDS->AddNode( p.X(), p.Y(), p.Z() );
1091 meshDS->SetNodeOnEdge( newNodes[ iN ], tgtEdge, u );
1093 for ( size_t iN = 1; iN < srcNodeStr.size(); ++iN ) // add segments
1095 SMDS_MeshElement* newEdge = myHelper->AddEdge( newNodes[ iN-1 ], newNodes[ iN ] );
1096 std::pair<int, TopAbs_ShapeEnum> id2type =
1097 myHelper->GetMediumPos( newNodes[ iN-1 ], newNodes[ iN ] );
1098 if ( id2type.second == TopAbs_EDGE )
1100 meshDS->SetMeshElementOnShape( newEdge, id2type.first );
1102 else // new nodes are on different EDGEs; put one of them on VERTEX
1104 const int edgeIndex = rgtSide->EdgeIndex( srcNodeStr[ iN-1 ].normParam );
1105 const double vertexParam = rgtSide->LastParameter( edgeIndex );
1106 const gp_Pnt p = BRep_Tool::Pnt( rgtSide->LastVertex( edgeIndex ));
1107 const int isPrev = ( Abs( srcNodeStr[ iN-1 ].normParam - vertexParam ) <
1108 Abs( srcNodeStr[ iN ].normParam - vertexParam ));
1109 meshDS->SetMeshElementOnShape( newEdge, newNodes[ iN-(1-isPrev) ]->getshapeId() );
1110 meshDS->UnSetNodeOnShape( newNodes[ iN-isPrev ] );
1111 meshDS->SetNodeOnVertex ( newNodes[ iN-isPrev ], rgtSide->LastVertex( edgeIndex ));
1112 meshDS->MoveNode( newNodes[ iN-isPrev ], p.X(), p.Y(), p.Z() );
1115 myHelper->SetElementsOnShape( true );
1116 for ( int i = 0; i < rgtSide->NbEdges(); ++i ) // update state of sub-meshes
1118 const TopoDS_Edge& E = rgtSide->Edge( i );
1119 SMESH_subMesh* tgtSM = mesh->GetSubMesh( E );
1120 tgtSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1123 // to continue projection from the just computed side as a source
1124 if ( !swapLeftRight && rgtSide->NbEdges() > 1 && w2q->second == iW )
1126 std::pair<int,int> wgt2quadKeyVal( w2q->first + 1, thePrism.myRightQuadIndex[ iW ]);
1127 wgt2quad.insert( wgt2quadKeyVal ); // it will be skipped by ++w2q
1128 wgt2quad.insert( wgt2quadKeyVal );
1129 w2q = wgt2quad.rbegin();
1134 // HOPE assigned hypotheses are OK, so that equal nb of segments will be generated
1135 //return toSM( error("Partial projection not implemented"));
1137 } // loop on quads of a composite wall side
1138 } // loop on the ordered wall sides
1142 for ( size_t iW = 0; iW != thePrism.myWallQuads.size(); ++iW )
1144 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[iW].begin();
1145 for ( ; quad != thePrism.myWallQuads[iW].end(); ++quad )
1147 // Top EDGEs must be projections from the bottom ones
1148 // to compute stuctured quad mesh on wall FACEs
1149 // ---------------------------------------------------
1150 const TopoDS_Edge& botE = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge(0);
1151 const TopoDS_Edge& topE = (*quad)->side[ QUAD_TOP_SIDE ]->Edge(0);
1153 projector1D->myHyp.SetSourceEdge( botE );
1155 SMESH_subMesh* tgtEdgeSm = mesh->GetSubMesh( topE );
1156 if ( !tgtEdgeSm->IsMeshComputed() )
1158 // compute nodes on VERTEXes
1159 tgtEdgeSm->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1161 projector1D->InitComputeError();
1162 bool ok = projector1D->Compute( *mesh, topE );
1165 SMESH_ComputeErrorPtr err = projector1D->GetComputeError();
1166 if ( err->IsOK() ) err->myName = COMPERR_ALGO_FAILED;
1167 tgtEdgeSm->GetComputeError() = err;
1171 tgtEdgeSm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1173 // Compute quad mesh on wall FACEs
1174 // -------------------------------
1175 const TopoDS_Face& face = (*quad)->face;
1176 SMESH_subMesh* fSM = mesh->GetSubMesh( face );
1177 if ( fSM->IsMeshComputed() ) continue;
1179 // make all EDGES meshed
1180 fSM->ComputeSubMeshStateEngine( SMESH_subMesh::COMPUTE );
1181 if ( !fSM->SubMeshesComputed() )
1182 return toSM( error( COMPERR_BAD_INPUT_MESH,
1183 "Not all edges have valid algorithm and hypothesis"));
1185 quadAlgo->InitComputeError();
1186 bool ok = quadAlgo->Compute( *mesh, face );
1187 fSM->GetComputeError() = quadAlgo->GetComputeError();
1190 fSM->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1197 //=======================================================================
1198 //function : Evaluate
1200 //=======================================================================
1202 bool StdMeshers_Prism_3D::Evaluate(SMESH_Mesh& theMesh,
1203 const TopoDS_Shape& theShape,
1204 MapShapeNbElems& aResMap)
1206 if ( theShape.ShapeType() == TopAbs_COMPOUND )
1209 for ( TopoDS_Iterator it( theShape ); it.More(); it.Next() )
1210 ok &= Evaluate( theMesh, it.Value(), aResMap );
1213 SMESH_MesherHelper helper( theMesh );
1215 myHelper->SetSubShape( theShape );
1217 // find face contains only triangles
1218 vector < SMESH_subMesh * >meshFaces;
1219 TopTools_SequenceOfShape aFaces;
1220 int NumBase = 0, i = 0, NbQFs = 0;
1221 for (TopExp_Explorer exp(theShape, TopAbs_FACE); exp.More(); exp.Next()) {
1223 aFaces.Append(exp.Current());
1224 SMESH_subMesh *aSubMesh = theMesh.GetSubMesh(exp.Current());
1225 meshFaces.push_back(aSubMesh);
1226 MapShapeNbElemsItr anIt = aResMap.find(meshFaces[i-1]);
1227 if( anIt==aResMap.end() )
1228 return toSM( error( "Submesh can not be evaluated"));
1230 std::vector<int> aVec = (*anIt).second;
1231 int nbtri = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1232 int nbqua = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1233 if( nbtri==0 && nbqua>0 ) {
1242 std::vector<int> aResVec(SMDSEntity_Last);
1243 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1244 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1245 aResMap.insert(std::make_pair(sm,aResVec));
1246 return toSM( error( "Submesh can not be evaluated" ));
1249 if(NumBase==0) NumBase = 1; // only quads => set 1 faces as base
1251 // find number of 1d elems for base face
1253 TopTools_MapOfShape Edges1;
1254 for (TopExp_Explorer exp(aFaces.Value(NumBase), TopAbs_EDGE); exp.More(); exp.Next()) {
1255 Edges1.Add(exp.Current());
1256 SMESH_subMesh *sm = theMesh.GetSubMesh(exp.Current());
1258 MapShapeNbElemsItr anIt = aResMap.find(sm);
1259 if( anIt == aResMap.end() ) continue;
1260 std::vector<int> aVec = (*anIt).second;
1261 nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
1264 // find face opposite to base face
1266 for(i=1; i<=6; i++) {
1267 if(i==NumBase) continue;
1268 bool IsOpposite = true;
1269 for(TopExp_Explorer exp(aFaces.Value(i), TopAbs_EDGE); exp.More(); exp.Next()) {
1270 if( Edges1.Contains(exp.Current()) ) {
1280 // find number of 2d elems on side faces
1282 for(i=1; i<=6; i++) {
1283 if( i==OppNum || i==NumBase ) continue;
1284 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[i-1] );
1285 if( anIt == aResMap.end() ) continue;
1286 std::vector<int> aVec = (*anIt).second;
1287 nb2d += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1290 MapShapeNbElemsItr anIt = aResMap.find( meshFaces[NumBase-1] );
1291 std::vector<int> aVec = (*anIt).second;
1292 bool IsQuadratic = (aVec[SMDSEntity_Quad_Triangle]>aVec[SMDSEntity_Triangle]) ||
1293 (aVec[SMDSEntity_Quad_Quadrangle]>aVec[SMDSEntity_Quadrangle]);
1294 int nb2d_face0_3 = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
1295 int nb2d_face0_4 = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
1296 int nb0d_face0 = aVec[SMDSEntity_Node];
1297 int nb1d_face0_int = ( nb2d_face0_3*3 + nb2d_face0_4*4 - nb1d ) / 2;
1299 std::vector<int> aResVec(SMDSEntity_Last);
1300 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1302 aResVec[SMDSEntity_Quad_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1303 aResVec[SMDSEntity_Quad_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1304 aResVec[SMDSEntity_Node] = nb0d_face0 * ( 2*nb2d/nb1d - 1 ) - nb1d_face0_int * nb2d/nb1d;
1307 aResVec[SMDSEntity_Node] = nb0d_face0 * ( nb2d/nb1d - 1 );
1308 aResVec[SMDSEntity_Penta] = nb2d_face0_3 * ( nb2d/nb1d );
1309 aResVec[SMDSEntity_Hexa] = nb2d_face0_4 * ( nb2d/nb1d );
1311 SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
1312 aResMap.insert(std::make_pair(sm,aResVec));
1317 //================================================================================
1319 * \brief Create prisms
1320 * \param columns - columns of nodes generated from nodes of a mesh face
1321 * \param helper - helper initialized by mesh and shape to add prisms to
1323 //================================================================================
1325 void StdMeshers_Prism_3D::AddPrisms( vector<const TNodeColumn*> & columns,
1326 SMESH_MesherHelper* helper)
1328 int nbNodes = columns.size();
1329 int nbZ = columns[0]->size();
1330 if ( nbZ < 2 ) return;
1332 // find out orientation
1333 bool isForward = true;
1334 SMDS_VolumeTool vTool;
1336 switch ( nbNodes ) {
1338 SMDS_VolumeOfNodes tmpPenta ( (*columns[0])[z-1], // bottom
1341 (*columns[0])[z], // top
1344 vTool.Set( &tmpPenta );
1345 isForward = vTool.IsForward();
1349 SMDS_VolumeOfNodes tmpHex( (*columns[0])[z-1], (*columns[1])[z-1], // bottom
1350 (*columns[2])[z-1], (*columns[3])[z-1],
1351 (*columns[0])[z], (*columns[1])[z], // top
1352 (*columns[2])[z], (*columns[3])[z] );
1353 vTool.Set( &tmpHex );
1354 isForward = vTool.IsForward();
1358 const int di = (nbNodes+1) / 3;
1359 SMDS_VolumeOfNodes tmpVol ( (*columns[0] )[z-1],
1360 (*columns[di] )[z-1],
1361 (*columns[2*di])[z-1],
1364 (*columns[2*di])[z] );
1365 vTool.Set( &tmpVol );
1366 isForward = vTool.IsForward();
1369 // vertical loop on columns
1371 helper->SetElementsOnShape( true );
1373 switch ( nbNodes ) {
1375 case 3: { // ---------- pentahedra
1376 const int i1 = isForward ? 1 : 2;
1377 const int i2 = isForward ? 2 : 1;
1378 for ( z = 1; z < nbZ; ++z )
1379 helper->AddVolume( (*columns[0 ])[z-1], // bottom
1380 (*columns[i1])[z-1],
1381 (*columns[i2])[z-1],
1382 (*columns[0 ])[z], // top
1384 (*columns[i2])[z] );
1387 case 4: { // ---------- hexahedra
1388 const int i1 = isForward ? 1 : 3;
1389 const int i3 = isForward ? 3 : 1;
1390 for ( z = 1; z < nbZ; ++z )
1391 helper->AddVolume( (*columns[0])[z-1], (*columns[i1])[z-1], // bottom
1392 (*columns[2])[z-1], (*columns[i3])[z-1],
1393 (*columns[0])[z], (*columns[i1])[z], // top
1394 (*columns[2])[z], (*columns[i3])[z] );
1397 case 6: { // ---------- octahedra
1398 const int iBase1 = isForward ? -1 : 0;
1399 const int iBase2 = isForward ? 0 :-1;
1400 for ( z = 1; z < nbZ; ++z )
1401 helper->AddVolume( (*columns[0])[z+iBase1], (*columns[1])[z+iBase1], // bottom or top
1402 (*columns[2])[z+iBase1], (*columns[3])[z+iBase1],
1403 (*columns[4])[z+iBase1], (*columns[5])[z+iBase1],
1404 (*columns[0])[z+iBase2], (*columns[1])[z+iBase2], // top or bottom
1405 (*columns[2])[z+iBase2], (*columns[3])[z+iBase2],
1406 (*columns[4])[z+iBase2], (*columns[5])[z+iBase2] );
1409 default: // ---------- polyhedra
1410 vector<int> quantities( 2 + nbNodes, 4 );
1411 quantities[0] = quantities[1] = nbNodes;
1412 columns.resize( nbNodes + 1 );
1413 columns[ nbNodes ] = columns[ 0 ];
1414 const int i1 = isForward ? 1 : 3;
1415 const int i3 = isForward ? 3 : 1;
1416 const int iBase1 = isForward ? -1 : 0;
1417 const int iBase2 = isForward ? 0 :-1;
1418 vector<const SMDS_MeshNode*> nodes( 2*nbNodes + 4*nbNodes);
1419 for ( z = 1; z < nbZ; ++z )
1421 for ( int i = 0; i < nbNodes; ++i ) {
1422 nodes[ i ] = (*columns[ i ])[z+iBase1]; // bottom or top
1423 nodes[ 2*nbNodes-i-1 ] = (*columns[ i ])[z+iBase2]; // top or bottom
1425 int di = 2*nbNodes + 4*i;
1426 nodes[ di+0 ] = (*columns[i ])[z ];
1427 nodes[ di+i1] = (*columns[i+1])[z ];
1428 nodes[ di+2 ] = (*columns[i+1])[z-1];
1429 nodes[ di+i3] = (*columns[i ])[z-1];
1431 helper->AddPolyhedralVolume( nodes, quantities );
1434 } // switch ( nbNodes )
1437 //================================================================================
1439 * \brief Find correspondence between bottom and top nodes
1440 * If elements on the bottom and top faces are topologically different,
1441 * and projection is possible and allowed, perform the projection
1442 * \retval bool - is a success or not
1444 //================================================================================
1446 bool StdMeshers_Prism_3D::assocOrProjBottom2Top()
1448 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1449 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1451 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1452 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1454 if ( !botSMDS || botSMDS->NbElements() == 0 )
1455 return toSM( error(TCom("No elememts on face #") << botSM->GetId() ));
1457 bool needProject = !topSM->IsMeshComputed();
1458 if ( !needProject &&
1459 (botSMDS->NbElements() != topSMDS->NbElements() ||
1460 botSMDS->NbNodes() != topSMDS->NbNodes()))
1462 MESSAGE("nb elem bot " << botSMDS->NbElements() <<
1463 " top " << ( topSMDS ? topSMDS->NbElements() : 0 ));
1464 MESSAGE("nb node bot " << botSMDS->NbNodes() <<
1465 " top " << ( topSMDS ? topSMDS->NbNodes() : 0 ));
1466 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1467 <<" and #"<< topSM->GetId() << " seems different" ));
1470 if ( 0/*needProject && !myProjectTriangles*/ )
1471 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1472 <<" and #"<< topSM->GetId() << " seems different" ));
1473 ///RETURN_BAD_RESULT("Need to project but not allowed");
1477 return projectBottomToTop();
1480 TopoDS_Face botFace = TopoDS::Face( myBlock.Shape( ID_BOT_FACE ));
1481 TopoDS_Face topFace = TopoDS::Face( myBlock.Shape( ID_TOP_FACE ));
1482 // associate top and bottom faces
1483 TAssocTool::TShapeShapeMap shape2ShapeMap;
1484 if ( !TAssocTool::FindSubShapeAssociation( botFace, myBlock.Mesh(),
1485 topFace, myBlock.Mesh(),
1487 return toSM( error(TCom("Topology of faces #") << botSM->GetId()
1488 <<" and #"<< topSM->GetId() << " seems different" ));
1490 // Find matching nodes of top and bottom faces
1491 TNodeNodeMap n2nMap;
1492 if ( ! TAssocTool::FindMatchingNodesOnFaces( botFace, myBlock.Mesh(),
1493 topFace, myBlock.Mesh(),
1494 shape2ShapeMap, n2nMap ))
1495 return toSM( error(TCom("Mesh on faces #") << botSM->GetId()
1496 <<" and #"<< topSM->GetId() << " seems different" ));
1498 // Fill myBotToColumnMap
1500 int zSize = myBlock.VerticalSize();
1502 TNodeNodeMap::iterator bN_tN = n2nMap.begin();
1503 for ( ; bN_tN != n2nMap.end(); ++bN_tN )
1505 const SMDS_MeshNode* botNode = bN_tN->first;
1506 const SMDS_MeshNode* topNode = bN_tN->second;
1507 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1508 continue; // wall columns are contained in myBlock
1509 // create node column
1510 Prism_3D::TNode bN( botNode );
1511 TNode2ColumnMap::iterator bN_col =
1512 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1513 TNodeColumn & column = bN_col->second;
1514 column.resize( zSize );
1515 column.front() = botNode;
1516 column.back() = topNode;
1521 //================================================================================
1523 * \brief Remove quadrangles from the top face and
1524 * create triangles there by projection from the bottom
1525 * \retval bool - a success or not
1527 //================================================================================
1529 bool StdMeshers_Prism_3D::projectBottomToTop()
1531 SMESHDS_Mesh* meshDS = myBlock.MeshDS();
1532 SMESH_subMesh * botSM = myBlock.SubMesh( ID_BOT_FACE );
1533 SMESH_subMesh * topSM = myBlock.SubMesh( ID_TOP_FACE );
1535 SMESHDS_SubMesh * botSMDS = botSM->GetSubMeshDS();
1536 SMESHDS_SubMesh * topSMDS = topSM->GetSubMeshDS();
1538 if ( topSMDS && topSMDS->NbElements() > 0 )
1539 topSM->ComputeStateEngine( SMESH_subMesh::CLEAN );
1541 const TopoDS_Shape& botFace = myBlock.Shape( ID_BOT_FACE ); // oriented within the 3D SHAPE
1542 const TopoDS_Shape& topFace = myBlock.Shape( ID_TOP_FACE);
1543 int topFaceID = meshDS->ShapeToIndex( topFace );
1545 // Fill myBotToColumnMap
1547 int zSize = myBlock.VerticalSize();
1548 Prism_3D::TNode prevTNode;
1549 SMDS_NodeIteratorPtr nIt = botSMDS->GetNodes();
1550 while ( nIt->more() )
1552 const SMDS_MeshNode* botNode = nIt->next();
1553 if ( botNode->GetPosition()->GetTypeOfPosition() != SMDS_TOP_FACE )
1554 continue; // strange
1555 // compute bottom node params
1556 Prism_3D::TNode bN( botNode );
1557 gp_XYZ paramHint(-1,-1,-1);
1558 if ( prevTNode.IsNeighbor( bN ))
1559 paramHint = prevTNode.GetParams();
1560 if ( !myBlock.ComputeParameters( bN.GetCoords(), bN.ChangeParams(),
1561 ID_BOT_FACE, paramHint ))
1562 return toSM( error(TCom("Can't compute normalized parameters for node ")
1563 << botNode->GetID() << " on the face #"<< botSM->GetId() ));
1565 // compute top node coords
1566 gp_XYZ topXYZ; gp_XY topUV;
1567 if ( !myBlock.FacePoint( ID_TOP_FACE, bN.GetParams(), topXYZ ) ||
1568 !myBlock.FaceUV ( ID_TOP_FACE, bN.GetParams(), topUV ))
1569 return toSM( error(TCom("Can't compute coordinates "
1570 "by normalized parameters on the face #")<< topSM->GetId() ));
1571 SMDS_MeshNode * topNode = meshDS->AddNode( topXYZ.X(),topXYZ.Y(),topXYZ.Z() );
1572 meshDS->SetNodeOnFace( topNode, topFaceID, topUV.X(), topUV.Y() );
1573 // create node column
1574 TNode2ColumnMap::iterator bN_col =
1575 myBotToColumnMap.insert( make_pair ( bN, TNodeColumn() )).first;
1576 TNodeColumn & column = bN_col->second;
1577 column.resize( zSize );
1578 column.front() = botNode;
1579 column.back() = topNode;
1584 const bool oldSetElemsOnShape = myHelper->SetElementsOnShape( false );
1586 // care of orientation;
1587 // if the bottom faces is orienetd OK then top faces must be reversed
1588 bool reverseTop = true;
1589 if ( myHelper->NbAncestors( botFace, *myBlock.Mesh(), TopAbs_SOLID ) > 1 )
1590 reverseTop = ! SMESH_Algo::IsReversedSubMesh( TopoDS::Face( botFace ), meshDS );
1591 int iFrw, iRev, *iPtr = &( reverseTop ? iRev : iFrw );
1593 // loop on bottom mesh faces
1594 SMDS_ElemIteratorPtr faceIt = botSMDS->GetElements();
1595 vector< const SMDS_MeshNode* > nodes;
1596 while ( faceIt->more() )
1598 const SMDS_MeshElement* face = faceIt->next();
1599 if ( !face || face->GetType() != SMDSAbs_Face )
1602 // find top node in columns for each bottom node
1603 int nbNodes = face->NbCornerNodes();
1604 nodes.resize( nbNodes );
1605 for ( iFrw = 0, iRev = nbNodes-1; iFrw < nbNodes; ++iFrw, --iRev )
1607 const SMDS_MeshNode* n = face->GetNode( *iPtr );
1608 if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) {
1609 TNode2ColumnMap::iterator bot_column = myBotToColumnMap.find( n );
1610 if ( bot_column == myBotToColumnMap.end() )
1611 return toSM( error(TCom("No nodes found above node ") << n->GetID() ));
1612 nodes[ iFrw ] = bot_column->second.back();
1615 const TNodeColumn* column = myBlock.GetNodeColumn( n );
1617 return toSM( error(TCom("No side nodes found above node ") << n->GetID() ));
1618 nodes[ iFrw ] = column->back();
1621 SMDS_MeshElement* newFace = 0;
1622 switch ( nbNodes ) {
1625 newFace = myHelper->AddFace(nodes[0], nodes[1], nodes[2]);
1629 newFace = myHelper->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
1633 newFace = meshDS->AddPolygonalFace( nodes );
1636 meshDS->SetMeshElementOnShape( newFace, topFaceID );
1639 myHelper->SetElementsOnShape( oldSetElemsOnShape );
1644 //=======================================================================
1645 //function : project2dMesh
1646 //purpose : Project mesh faces from a source FACE of one prism (theSrcFace)
1647 // to a source FACE of another prism (theTgtFace)
1648 //=======================================================================
1650 bool StdMeshers_Prism_3D::project2dMesh(const TopoDS_Face& theSrcFace,
1651 const TopoDS_Face& theTgtFace)
1653 TProjction2dAlgo* projector2D = TProjction2dAlgo::instance( this );
1654 projector2D->myHyp.SetSourceFace( theSrcFace );
1655 bool ok = projector2D->Compute( *myHelper->GetMesh(), theTgtFace );
1657 SMESH_subMesh* tgtSM = myHelper->GetMesh()->GetSubMesh( theTgtFace );
1658 tgtSM->ComputeStateEngine ( SMESH_subMesh::CHECK_COMPUTE_STATE );
1659 tgtSM->ComputeSubMeshStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
1664 //================================================================================
1666 * \brief Set projection coordinates of a node to a face and it's sub-shapes
1667 * \param faceID - the face given by in-block ID
1668 * \param params - node normalized parameters
1669 * \retval bool - is a success
1671 //================================================================================
1673 bool StdMeshers_Prism_3D::setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z )
1675 // find base and top edges of the face
1676 enum { BASE = 0, TOP, LEFT, RIGHT };
1677 vector< int > edgeVec; // 0-base, 1-top
1678 SMESH_Block::GetFaceEdgesIDs( faceID, edgeVec );
1680 myBlock.EdgePoint( edgeVec[ BASE ], params, myShapeXYZ[ edgeVec[ BASE ]]);
1681 myBlock.EdgePoint( edgeVec[ TOP ], params, myShapeXYZ[ edgeVec[ TOP ]]);
1683 SHOWYXZ("\nparams ", params);
1684 SHOWYXZ("TOP is " <<edgeVec[ TOP ], myShapeXYZ[ edgeVec[ TOP]]);
1685 SHOWYXZ("BASE is "<<edgeVec[ BASE], myShapeXYZ[ edgeVec[ BASE]]);
1687 if ( faceID == SMESH_Block::ID_Fx0z || faceID == SMESH_Block::ID_Fx1z )
1689 myBlock.EdgePoint( edgeVec[ LEFT ], params, myShapeXYZ[ edgeVec[ LEFT ]]);
1690 myBlock.EdgePoint( edgeVec[ RIGHT ], params, myShapeXYZ[ edgeVec[ RIGHT ]]);
1692 SHOWYXZ("VER "<<edgeVec[ LEFT], myShapeXYZ[ edgeVec[ LEFT]]);
1693 SHOWYXZ("VER "<<edgeVec[ RIGHT], myShapeXYZ[ edgeVec[ RIGHT]]);
1695 myBlock.FacePoint( faceID, params, myShapeXYZ[ faceID ]);
1696 SHOWYXZ("FacePoint "<<faceID, myShapeXYZ[ faceID]);
1701 //=======================================================================
1703 //purpose : If (!isOK), sets the error to a sub-mesh of a current SOLID
1704 //=======================================================================
1706 bool StdMeshers_Prism_3D::toSM( bool isOK )
1708 if ( mySetErrorToSM &&
1711 !myHelper->GetSubShape().IsNull() &&
1712 myHelper->GetSubShape().ShapeType() == TopAbs_SOLID)
1714 SMESH_subMesh* sm = myHelper->GetMesh()->GetSubMesh( myHelper->GetSubShape() );
1715 sm->GetComputeError() = this->GetComputeError();
1716 // clear error in order not to return it twice
1717 _error = COMPERR_OK;
1723 //=======================================================================
1724 //function : shapeID
1725 //purpose : Return index of a shape
1726 //=======================================================================
1728 int StdMeshers_Prism_3D::shapeID( const TopoDS_Shape& S )
1730 if ( S.IsNull() ) return 0;
1731 if ( !myHelper ) return -3;
1732 return myHelper->GetMeshDS()->ShapeToIndex( S );
1737 //================================================================================
1739 * \brief Return true if this node and other one belong to one face
1741 //================================================================================
1743 bool Prism_3D::TNode::IsNeighbor( const Prism_3D::TNode& other ) const
1745 if ( !other.myNode || !myNode ) return false;
1747 SMDS_ElemIteratorPtr fIt = other.myNode->GetInverseElementIterator(SMDSAbs_Face);
1748 while ( fIt->more() )
1749 if ( fIt->next()->GetNodeIndex( myNode ) >= 0 )
1754 //================================================================================
1756 * \brief Prism initialization
1758 //================================================================================
1760 void TPrismTopo::Clear()
1762 myShape3D.Nullify();
1765 myWallQuads.clear();
1766 myBottomEdges.clear();
1767 myNbEdgesInWires.clear();
1768 myWallQuads.clear();
1771 } // namespace Prism_3D
1773 //================================================================================
1775 * \brief Constructor. Initialization is needed
1777 //================================================================================
1779 StdMeshers_PrismAsBlock::StdMeshers_PrismAsBlock()
1784 StdMeshers_PrismAsBlock::~StdMeshers_PrismAsBlock()
1788 void StdMeshers_PrismAsBlock::Clear()
1791 myShapeIDMap.Clear();
1795 delete mySide; mySide = 0;
1797 myParam2ColumnMaps.clear();
1798 myShapeIndex2ColumnMap.clear();
1801 //=======================================================================
1802 //function : initPrism
1803 //purpose : Analyse shape geometry and mesh.
1804 // If there are triangles on one of faces, it becomes 'bottom'.
1805 // thePrism.myBottom can be already set up.
1806 //=======================================================================
1808 bool StdMeshers_Prism_3D::initPrism(Prism_3D::TPrismTopo& thePrism,
1809 const TopoDS_Shape& shape3D)
1811 myHelper->SetSubShape( shape3D );
1813 SMESH_subMesh* mainSubMesh = myHelper->GetMesh()->GetSubMeshContaining( shape3D );
1814 if ( !mainSubMesh ) return toSM( error(COMPERR_BAD_INPUT_MESH,"Null submesh of shape3D"));
1816 // detect not-quad FACE sub-meshes of the 3D SHAPE
1817 list< SMESH_subMesh* > notQuadGeomSubMesh;
1818 list< SMESH_subMesh* > notQuadElemSubMesh;
1821 SMESH_subMesh* anyFaceSM = 0;
1822 SMESH_subMeshIteratorPtr smIt = mainSubMesh->getDependsOnIterator(false,true);
1823 while ( smIt->more() )
1825 SMESH_subMesh* sm = smIt->next();
1826 const TopoDS_Shape& face = sm->GetSubShape();
1827 if ( face.ShapeType() > TopAbs_FACE ) break;
1828 else if ( face.ShapeType() < TopAbs_FACE ) continue;
1832 // is quadrangle FACE?
1833 list< TopoDS_Edge > orderedEdges;
1834 list< int > nbEdgesInWires;
1835 int nbWires = SMESH_Block::GetOrderedEdges( TopoDS::Face( face ), orderedEdges,
1837 if ( nbWires != 1 || nbEdgesInWires.front() != 4 )
1838 notQuadGeomSubMesh.push_back( sm );
1840 // look for not quadrangle mesh elements
1841 if ( SMESHDS_SubMesh* smDS = sm->GetSubMeshDS() )
1842 if ( !myHelper->IsSameElemGeometry( smDS, SMDSGeom_QUADRANGLE ))
1843 notQuadElemSubMesh.push_back( sm );
1846 int nbNotQuadMeshed = notQuadElemSubMesh.size();
1847 int nbNotQuad = notQuadGeomSubMesh.size();
1848 bool hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1851 if ( nbNotQuadMeshed > 2 )
1853 return toSM( error(COMPERR_BAD_INPUT_MESH,
1854 TCom("More than 2 faces with not quadrangle elements: ")
1855 <<nbNotQuadMeshed));
1857 if ( nbNotQuad > 2 || !thePrism.myBottom.IsNull() )
1859 // Issue 0020843 - one of side FACEs is quasi-quadrilateral (not 4 EDGEs).
1860 // Remove from notQuadGeomSubMesh faces meshed with regular grid
1861 int nbQuasiQuads = removeQuasiQuads( notQuadGeomSubMesh, myHelper,
1862 TQuadrangleAlgo::instance(this,myHelper->GetMesh()) );
1863 nbNotQuad -= nbQuasiQuads;
1864 if ( nbNotQuad > 2 )
1865 return toSM( error(COMPERR_BAD_SHAPE,
1866 TCom("More than 2 not quadrilateral faces: ") <<nbNotQuad));
1867 hasNotQuad = ( nbNotQuad || nbNotQuadMeshed );
1870 // Analyse mesh and topology of FACEs: choose the bottom sub-mesh.
1871 // If there are not quadrangle FACEs, they are top and bottom ones.
1872 // Not quadrangle FACEs must be only on top and bottom.
1874 SMESH_subMesh * botSM = 0;
1875 SMESH_subMesh * topSM = 0;
1877 if ( hasNotQuad ) // can chose a bottom FACE
1879 if ( nbNotQuadMeshed > 0 ) botSM = notQuadElemSubMesh.front();
1880 else botSM = notQuadGeomSubMesh.front();
1881 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.back();
1882 else if ( nbNotQuad > 1 ) topSM = notQuadGeomSubMesh.back();
1884 if ( topSM == botSM ) {
1885 if ( nbNotQuadMeshed > 1 ) topSM = notQuadElemSubMesh.front();
1886 else topSM = notQuadGeomSubMesh.front();
1889 // detect mesh triangles on wall FACEs
1890 if ( nbNotQuad == 2 && nbNotQuadMeshed > 0 ) {
1892 if ( nbNotQuadMeshed == 1 )
1893 ok = ( find( notQuadGeomSubMesh.begin(),
1894 notQuadGeomSubMesh.end(), botSM ) != notQuadGeomSubMesh.end() );
1896 ok = ( notQuadGeomSubMesh == notQuadElemSubMesh );
1898 return toSM( error(COMPERR_BAD_INPUT_MESH,
1899 "Side face meshed with not quadrangle elements"));
1903 thePrism.myNotQuadOnTop = ( nbNotQuadMeshed > 1 );
1905 // use thePrism.myBottom
1906 if ( !thePrism.myBottom.IsNull() )
1909 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom )) {
1910 std::swap( botSM, topSM );
1911 if ( ! botSM->GetSubShape().IsSame( thePrism.myBottom ))
1912 return toSM( error( COMPERR_BAD_INPUT_MESH,
1913 "Incompatible non-structured sub-meshes"));
1917 botSM = myHelper->GetMesh()->GetSubMesh( thePrism.myBottom );
1920 else if ( !botSM ) // find a proper bottom
1922 // composite walls or not prism shape
1923 for ( TopExp_Explorer f( shape3D, TopAbs_FACE ); f.More(); f.Next() )
1925 int minNbFaces = 2 + myHelper->Count( f.Current(), TopAbs_EDGE, false);
1926 if ( nbFaces >= minNbFaces)
1929 thePrism.myBottom = TopoDS::Face( f.Current() );
1930 if ( initPrism( thePrism, shape3D ))
1933 return toSM( error( COMPERR_BAD_SHAPE ));
1937 // find vertex 000 - the one with smallest coordinates (for easy DEBUG :-)
1939 double minVal = DBL_MAX, minX, val;
1940 for ( TopExp_Explorer exp( botSM->GetSubShape(), TopAbs_VERTEX );
1941 exp.More(); exp.Next() )
1943 const TopoDS_Vertex& v = TopoDS::Vertex( exp.Current() );
1944 gp_Pnt P = BRep_Tool::Pnt( v );
1945 val = P.X() + P.Y() + P.Z();
1946 if ( val < minVal || ( val == minVal && P.X() < minX )) {
1953 thePrism.myShape3D = shape3D;
1954 if ( thePrism.myBottom.IsNull() )
1955 thePrism.myBottom = TopoDS::Face( botSM->GetSubShape() );
1956 thePrism.myBottom.Orientation( myHelper->GetSubShapeOri( shape3D,
1957 thePrism.myBottom ));
1958 // Get ordered bottom edges
1959 TopoDS_Face reverseBottom = // to have order of top EDGEs as in the top FACE
1960 TopoDS::Face( thePrism.myBottom.Reversed() );
1961 SMESH_Block::GetOrderedEdges( reverseBottom,
1962 thePrism.myBottomEdges,
1963 thePrism.myNbEdgesInWires, V000 );
1965 // Get Wall faces corresponding to the ordered bottom edges and the top FACE
1966 if ( !getWallFaces( thePrism, nbFaces ))
1967 return false; //toSM( error(COMPERR_BAD_SHAPE, "Can't find side faces"));
1971 if ( !thePrism.myTop.IsSame( topSM->GetSubShape() ))
1973 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
1974 "Non-quadrilateral faces are not opposite"));
1976 // check that the found top and bottom FACEs are opposite
1977 list< TopoDS_Edge >::iterator edge = thePrism.myBottomEdges.begin();
1978 for ( ; edge != thePrism.myBottomEdges.end(); ++edge )
1979 if ( myHelper->IsSubShape( *edge, thePrism.myTop ))
1981 (notQuadGeomSubMesh.empty() ? COMPERR_BAD_INPUT_MESH : COMPERR_BAD_SHAPE,
1982 "Non-quadrilateral faces are not opposite"));
1988 //================================================================================
1990 * \brief Initialization.
1991 * \param helper - helper loaded with mesh and 3D shape
1992 * \param thePrism - a prosm data
1993 * \retval bool - false if a mesh or a shape are KO
1995 //================================================================================
1997 bool StdMeshers_PrismAsBlock::Init(SMESH_MesherHelper* helper,
1998 const Prism_3D::TPrismTopo& thePrism)
2001 delete mySide; mySide = 0;
2003 vector< TSideFace* > sideFaces( NB_WALL_FACES, 0 );
2004 vector< pair< double, double> > params( NB_WALL_FACES );
2005 mySide = new TSideFace( sideFaces, params );
2008 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2010 SMESH_Block::init();
2011 myShapeIDMap.Clear();
2012 myShapeIndex2ColumnMap.clear();
2014 int wallFaceIds[ NB_WALL_FACES ] = { // to walk around a block
2015 SMESH_Block::ID_Fx0z, SMESH_Block::ID_F1yz,
2016 SMESH_Block::ID_Fx1z, SMESH_Block::ID_F0yz
2019 myError = SMESH_ComputeError::New();
2021 myNotQuadOnTop = thePrism.myNotQuadOnTop;
2023 // Find columns of wall nodes and calculate edges' lengths
2024 // --------------------------------------------------------
2026 myParam2ColumnMaps.clear();
2027 myParam2ColumnMaps.resize( thePrism.myBottomEdges.size() ); // total nb edges
2029 size_t iE, nbEdges = thePrism.myNbEdgesInWires.front(); // nb outer edges
2030 vector< double > edgeLength( nbEdges );
2031 multimap< double, int > len2edgeMap;
2033 list< TopoDS_Edge >::const_iterator edgeIt = thePrism.myBottomEdges.begin();
2034 for ( iE = 0; iE < nbEdges; ++iE, ++edgeIt )
2036 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2038 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2039 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2041 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2042 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2043 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2044 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2046 SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2047 SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2048 SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2050 edgeLength[ iE ] = SMESH_Algo::EdgeLength( *edgeIt );
2052 if ( nbEdges < NB_WALL_FACES ) // fill map used to split faces
2054 SMESHDS_SubMesh* smDS = meshDS->MeshElements( *edgeIt);
2056 return error(COMPERR_BAD_INPUT_MESH, TCom("Null submesh on the edge #")
2057 << MeshDS()->ShapeToIndex( *edgeIt ));
2058 len2edgeMap.insert( make_pair( edgeLength[ iE ], iE ));
2061 // Load columns of internal edges (forming holes)
2062 // and fill map ShapeIndex to TParam2ColumnMap for them
2063 for ( ; edgeIt != thePrism.myBottomEdges.end() ; ++edgeIt, ++iE )
2065 TParam2ColumnMap & faceColumns = myParam2ColumnMaps[ iE ];
2067 Prism_3D::TQuadList::const_iterator quad = thePrism.myWallQuads[ iE ].begin();
2068 for ( ; quad != thePrism.myWallQuads[ iE ].end(); ++quad )
2070 const TopoDS_Edge& quadBot = (*quad)->side[ QUAD_BOTTOM_SIDE ]->Edge( 0 );
2071 if ( !myHelper->LoadNodeColumns( faceColumns, (*quad)->face, quadBot, meshDS ))
2072 return error(COMPERR_BAD_INPUT_MESH, TCom("Can't find regular quadrangle mesh ")
2073 << "on a side face #" << MeshDS()->ShapeToIndex( (*quad)->face ));
2076 int id = MeshDS()->ShapeToIndex( *edgeIt );
2077 bool isForward = true; // meaningless for intenal wires
2078 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2079 // columns for vertices
2081 const SMDS_MeshNode* n0 = faceColumns.begin()->second.front();
2082 id = n0->getshapeId();
2083 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2085 const SMDS_MeshNode* n1 = faceColumns.rbegin()->second.front();
2086 id = n1->getshapeId();
2087 myShapeIndex2ColumnMap[ id ] = make_pair( & faceColumns, isForward );
2089 // SHOWYXZ("\np1 F " <<iE, gpXYZ(faceColumns.begin()->second.front() ));
2090 // SHOWYXZ("p2 F " <<iE, gpXYZ(faceColumns.rbegin()->second.front() ));
2091 // SHOWYXZ("V First "<<iE, BRep_Tool::Pnt( TopExp::FirstVertex(*edgeIt,true )));
2094 // Create 4 wall faces of a block
2095 // -------------------------------
2097 if ( nbEdges <= NB_WALL_FACES ) // ************* Split faces if necessary
2099 map< int, int > iE2nbSplit;
2100 if ( nbEdges != NB_WALL_FACES ) // define how to split
2102 if ( len2edgeMap.size() != nbEdges )
2103 RETURN_BAD_RESULT("Uniqueness of edge lengths not assured");
2104 map< double, int >::reverse_iterator maxLen_i = len2edgeMap.rbegin();
2105 map< double, int >::reverse_iterator midLen_i = ++len2edgeMap.rbegin();
2106 double maxLen = maxLen_i->first;
2107 double midLen = ( len2edgeMap.size() == 1 ) ? 0 : midLen_i->first;
2108 switch ( nbEdges ) {
2109 case 1: // 0-th edge is split into 4 parts
2110 iE2nbSplit.insert( make_pair( 0, 4 )); break;
2111 case 2: // either the longest edge is split into 3 parts, or both edges into halves
2112 if ( maxLen / 3 > midLen / 2 ) {
2113 iE2nbSplit.insert( make_pair( maxLen_i->second, 3 ));
2116 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2117 iE2nbSplit.insert( make_pair( midLen_i->second, 2 ));
2121 // split longest into halves
2122 iE2nbSplit.insert( make_pair( maxLen_i->second, 2 ));
2125 // Create TSideFace's
2127 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2128 for ( iE = 0; iE < nbEdges; ++iE, ++botE )
2130 TFaceQuadStructPtr quad = thePrism.myWallQuads[ iE ].front();
2132 map< int, int >::iterator i_nb = iE2nbSplit.find( iE );
2133 if ( i_nb != iE2nbSplit.end() ) {
2135 int nbSplit = i_nb->second;
2136 vector< double > params;
2137 splitParams( nbSplit, &myParam2ColumnMaps[ iE ], params );
2138 const bool isForward =
2139 StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2140 myParam2ColumnMaps[iE],
2141 *botE, SMESH_Block::ID_Fx0z );
2142 for ( int i = 0; i < nbSplit; ++i ) {
2143 double f = ( isForward ? params[ i ] : params[ nbSplit - i-1 ]);
2144 double l = ( isForward ? params[ i+1 ] : params[ nbSplit - i ]);
2145 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2146 thePrism.myWallQuads[ iE ], *botE,
2147 &myParam2ColumnMaps[ iE ], f, l );
2148 mySide->SetComponent( iSide++, comp );
2152 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2153 thePrism.myWallQuads[ iE ], *botE,
2154 &myParam2ColumnMaps[ iE ]);
2155 mySide->SetComponent( iSide++, comp );
2159 else { // **************************** Unite faces
2161 // unite first faces
2162 int nbExraFaces = nbEdges - 3;
2164 double u0 = 0, sumLen = 0;
2165 for ( iE = 0; iE < nbExraFaces; ++iE )
2166 sumLen += edgeLength[ iE ];
2168 vector< TSideFace* > components( nbExraFaces );
2169 vector< pair< double, double> > params( nbExraFaces );
2170 list< TopoDS_Edge >::const_iterator botE = thePrism.myBottomEdges.begin();
2171 for ( iE = 0; iE < nbExraFaces; ++iE, ++botE )
2173 components[ iE ] = new TSideFace( myHelper, wallFaceIds[ iSide ],
2174 thePrism.myWallQuads[ iE ], *botE,
2175 &myParam2ColumnMaps[ iE ]);
2176 double u1 = u0 + edgeLength[ iE ] / sumLen;
2177 params[ iE ] = make_pair( u0 , u1 );
2180 mySide->SetComponent( iSide++, new TSideFace( components, params ));
2182 // fill the rest faces
2183 for ( ; iE < nbEdges; ++iE, ++botE )
2185 TSideFace* comp = new TSideFace( myHelper, wallFaceIds[ iSide ],
2186 thePrism.myWallQuads[ iE ], *botE,
2187 &myParam2ColumnMaps[ iE ]);
2188 mySide->SetComponent( iSide++, comp );
2193 // Fill geometry fields of SMESH_Block
2194 // ------------------------------------
2196 vector< int > botEdgeIdVec;
2197 SMESH_Block::GetFaceEdgesIDs( ID_BOT_FACE, botEdgeIdVec );
2199 bool isForward[NB_WALL_FACES] = { true, true, true, true };
2200 Adaptor2d_Curve2d* botPcurves[NB_WALL_FACES];
2201 Adaptor2d_Curve2d* topPcurves[NB_WALL_FACES];
2203 for ( int iF = 0; iF < NB_WALL_FACES; ++iF )
2205 TSideFace * sideFace = mySide->GetComponent( iF );
2207 RETURN_BAD_RESULT("NULL TSideFace");
2208 int fID = sideFace->FaceID(); // in-block ID
2210 // fill myShapeIDMap
2211 if ( sideFace->InsertSubShapes( myShapeIDMap ) != 8 &&
2212 !sideFace->IsComplex())
2213 MESSAGE( ": Warning : InsertSubShapes() < 8 on side " << iF );
2215 // side faces geometry
2216 Adaptor2d_Curve2d* pcurves[NB_WALL_FACES];
2217 if ( !sideFace->GetPCurves( pcurves ))
2218 RETURN_BAD_RESULT("TSideFace::GetPCurves() failed");
2220 SMESH_Block::TFace& tFace = myFace[ fID - ID_FirstF ];
2221 tFace.Set( fID, sideFace->Surface(), pcurves, isForward );
2223 SHOWYXZ( endl<<"F "<< iF << " id " << fID << " FRW " << sideFace->IsForward(), sideFace->Value(0,0));
2224 // edges 3D geometry
2225 vector< int > edgeIdVec;
2226 SMESH_Block::GetFaceEdgesIDs( fID, edgeIdVec );
2227 for ( int isMax = 0; isMax < 2; ++isMax ) {
2229 int eID = edgeIdVec[ isMax ];
2230 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2231 tEdge.Set( eID, sideFace->HorizCurve(isMax), true);
2232 SHOWYXZ(eID<<" HOR"<<isMax<<"(0)", sideFace->HorizCurve(isMax)->Value(0));
2233 SHOWYXZ(eID<<" HOR"<<isMax<<"(1)", sideFace->HorizCurve(isMax)->Value(1));
2236 int eID = edgeIdVec[ isMax+2 ];
2237 SMESH_Block::TEdge& tEdge = myEdge[ eID - ID_FirstE ];
2238 tEdge.Set( eID, sideFace->VertiCurve(isMax), true);
2239 SHOWYXZ(eID<<" VER"<<isMax<<"(0)", sideFace->VertiCurve(isMax)->Value(0));
2240 SHOWYXZ(eID<<" VER"<<isMax<<"(1)", sideFace->VertiCurve(isMax)->Value(1));
2243 vector< int > vertexIdVec;
2244 SMESH_Block::GetEdgeVertexIDs( eID, vertexIdVec );
2245 myPnt[ vertexIdVec[0] - ID_FirstV ] = tEdge.GetCurve()->Value(0).XYZ();
2246 myPnt[ vertexIdVec[1] - ID_FirstV ] = tEdge.GetCurve()->Value(1).XYZ();
2249 // pcurves on horizontal faces
2250 for ( iE = 0; iE < NB_WALL_FACES; ++iE ) {
2251 if ( edgeIdVec[ BOTTOM_EDGE ] == botEdgeIdVec[ iE ] ) {
2252 botPcurves[ iE ] = sideFace->HorizPCurve( false, thePrism.myBottom );
2253 topPcurves[ iE ] = sideFace->HorizPCurve( true, thePrism.myTop );
2257 //sideFace->dumpNodes( 4 ); // debug
2259 // horizontal faces geometry
2261 SMESH_Block::TFace& tFace = myFace[ ID_BOT_FACE - ID_FirstF ];
2262 tFace.Set( ID_BOT_FACE, new BRepAdaptor_Surface( thePrism.myBottom ), botPcurves, isForward );
2263 SMESH_Block::Insert( thePrism.myBottom, ID_BOT_FACE, myShapeIDMap );
2266 SMESH_Block::TFace& tFace = myFace[ ID_TOP_FACE - ID_FirstF ];
2267 tFace.Set( ID_TOP_FACE, new BRepAdaptor_Surface( thePrism.myTop ), topPcurves, isForward );
2268 SMESH_Block::Insert( thePrism.myTop, ID_TOP_FACE, myShapeIDMap );
2271 // Fill map ShapeIndex to TParam2ColumnMap
2272 // ----------------------------------------
2274 list< TSideFace* > fList;
2275 list< TSideFace* >::iterator fListIt;
2276 fList.push_back( mySide );
2277 for ( fListIt = fList.begin(); fListIt != fList.end(); ++fListIt)
2279 int nb = (*fListIt)->NbComponents();
2280 for ( int i = 0; i < nb; ++i ) {
2281 if ( TSideFace* comp = (*fListIt)->GetComponent( i ))
2282 fList.push_back( comp );
2284 if ( TParam2ColumnMap* cols = (*fListIt)->GetColumns()) {
2285 // columns for a base edge
2286 int id = MeshDS()->ShapeToIndex( (*fListIt)->BaseEdge() );
2287 bool isForward = (*fListIt)->IsForward();
2288 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2290 // columns for vertices
2291 const SMDS_MeshNode* n0 = cols->begin()->second.front();
2292 id = n0->getshapeId();
2293 myShapeIndex2ColumnMap[ id ] = make_pair( cols, isForward );
2295 const SMDS_MeshNode* n1 = cols->rbegin()->second.front();
2296 id = n1->getshapeId();
2297 myShapeIndex2ColumnMap[ id ] = make_pair( cols, !isForward );
2301 // gp_XYZ testPar(0.25, 0.25, 0), testCoord;
2302 // if ( !FacePoint( ID_BOT_FACE, testPar, testCoord ))
2303 // RETURN_BAD_RESULT("TEST FacePoint() FAILED");
2304 // SHOWYXZ("IN TEST PARAM" , testPar);
2305 // SHOWYXZ("OUT TEST CORD" , testCoord);
2306 // if ( !ComputeParameters( testCoord, testPar , ID_BOT_FACE))
2307 // RETURN_BAD_RESULT("TEST ComputeParameters() FAILED");
2308 // SHOWYXZ("OUT TEST PARAM" , testPar);
2313 //================================================================================
2315 * \brief Return pointer to column of nodes
2316 * \param node - bottom node from which the returned column goes up
2317 * \retval const TNodeColumn* - the found column
2319 //================================================================================
2321 const TNodeColumn* StdMeshers_PrismAsBlock::GetNodeColumn(const SMDS_MeshNode* node) const
2323 int sID = node->getshapeId();
2325 map<int, pair< TParam2ColumnMap*, bool > >::const_iterator col_frw =
2326 myShapeIndex2ColumnMap.find( sID );
2327 if ( col_frw != myShapeIndex2ColumnMap.end() ) {
2328 const TParam2ColumnMap* cols = col_frw->second.first;
2329 TParam2ColumnIt u_col = cols->begin();
2330 for ( ; u_col != cols->end(); ++u_col )
2331 if ( u_col->second[ 0 ] == node )
2332 return & u_col->second;
2337 //=======================================================================
2338 //function : GetLayersTransformation
2339 //purpose : Return transformations to get coordinates of nodes of each layer
2340 // by nodes of the bottom. Layer is a set of nodes at a certain step
2341 // from bottom to top.
2342 //=======================================================================
2344 bool StdMeshers_PrismAsBlock::GetLayersTransformation(vector<gp_Trsf> & trsf) const
2346 const int zSize = VerticalSize();
2347 if ( zSize < 3 ) return true;
2348 trsf.resize( zSize - 2 );
2350 // Select some node columns by which we will define coordinate system of layers
2352 vector< const TNodeColumn* > columns;
2354 const TopoDS_Shape& baseFace = Shape(ID_BOT_FACE);
2355 list< TopoDS_Edge > orderedEdges;
2356 list< int > nbEdgesInWires;
2357 GetOrderedEdges( TopoDS::Face( baseFace ), orderedEdges, nbEdgesInWires );
2359 list< TopoDS_Edge >::iterator edgeIt = orderedEdges.begin();
2360 for ( int iE = 0; iE < nbEdgesInWires.front(); ++iE, ++edgeIt )
2362 if ( BRep_Tool::Degenerated( *edgeIt )) continue;
2363 const TParam2ColumnMap* u2colMap =
2364 GetParam2ColumnMap( MeshDS()->ShapeToIndex( *edgeIt ), isReverse );
2365 if ( !u2colMap ) return false;
2366 double f = u2colMap->begin()->first, l = u2colMap->rbegin()->first;
2367 //isReverse = ( edgeIt->Orientation() == TopAbs_REVERSED );
2368 //if ( isReverse ) swap ( f, l ); -- u2colMap takes orientation into account
2369 const int nbCol = 5;
2370 for ( int i = 0; i < nbCol; ++i )
2372 double u = f + i/double(nbCol) * ( l - f );
2373 const TNodeColumn* col = & getColumn( u2colMap, u )->second;
2374 if ( columns.empty() || col != columns.back() )
2375 columns.push_back( col );
2380 // Find tolerance to check transformations
2385 for ( int i = 0; i < columns.size(); ++i )
2386 bndBox.Add( gpXYZ( columns[i]->front() ));
2387 tol2 = bndBox.SquareExtent() * 1e-5;
2390 // Compute transformations
2393 gp_Trsf fromCsZ, toCs0;
2394 gp_Ax3 cs0 = getLayerCoordSys(0, columns, xCol );
2395 //double dist0 = cs0.Location().Distance( gpXYZ( (*columns[0])[0]));
2396 toCs0.SetTransformation( cs0 );
2397 for ( int z = 1; z < zSize-1; ++z )
2399 gp_Ax3 csZ = getLayerCoordSys(z, columns, xCol );
2400 //double distZ = csZ.Location().Distance( gpXYZ( (*columns[0])[z]));
2401 fromCsZ.SetTransformation( csZ );
2403 gp_Trsf& t = trsf[ z-1 ];
2404 t = fromCsZ * toCs0;
2405 //t.SetScaleFactor( distZ/dist0 ); - it does not work properly, wrong base point
2407 // check a transformation
2408 for ( int i = 0; i < columns.size(); ++i )
2410 gp_Pnt p0 = gpXYZ( (*columns[i])[0] );
2411 gp_Pnt pz = gpXYZ( (*columns[i])[z] );
2412 t.Transforms( p0.ChangeCoord() );
2413 if ( p0.SquareDistance( pz ) > tol2 )
2420 //================================================================================
2422 * \brief Check curve orientation of a bootom edge
2423 * \param meshDS - mesh DS
2424 * \param columnsMap - node columns map of side face
2425 * \param bottomEdge - the bootom edge
2426 * \param sideFaceID - side face in-block ID
2427 * \retval bool - true if orientation coinside with in-block forward orientation
2429 //================================================================================
2431 bool StdMeshers_PrismAsBlock::IsForwardEdge(SMESHDS_Mesh* meshDS,
2432 const TParam2ColumnMap& columnsMap,
2433 const TopoDS_Edge & bottomEdge,
2434 const int sideFaceID)
2436 bool isForward = false;
2437 if ( SMESH_MesherHelper::IsClosedEdge( bottomEdge ))
2439 isForward = ( bottomEdge.Orientation() == TopAbs_FORWARD );
2443 const TNodeColumn& firstCol = columnsMap.begin()->second;
2444 const SMDS_MeshNode* bottomNode = firstCol[0];
2445 TopoDS_Shape firstVertex = SMESH_MesherHelper::GetSubShapeByNode( bottomNode, meshDS );
2446 isForward = ( firstVertex.IsSame( TopExp::FirstVertex( bottomEdge, true )));
2448 // on 2 of 4 sides first vertex is end
2449 if ( sideFaceID == ID_Fx1z || sideFaceID == ID_F0yz )
2450 isForward = !isForward;
2454 //================================================================================
2456 * \brief Constructor
2457 * \param faceID - in-block ID
2458 * \param face - geom FACE
2459 * \param baseEdge - EDGE proreply oriented in the bottom EDGE !!!
2460 * \param columnsMap - map of node columns
2461 * \param first - first normalized param
2462 * \param last - last normalized param
2464 //================================================================================
2466 StdMeshers_PrismAsBlock::TSideFace::TSideFace(SMESH_MesherHelper* helper,
2468 const Prism_3D::TQuadList& quadList,
2469 const TopoDS_Edge& baseEdge,
2470 TParam2ColumnMap* columnsMap,
2474 myParamToColumnMap( columnsMap ),
2477 myParams.resize( 1 );
2478 myParams[ 0 ] = make_pair( first, last );
2479 mySurface = PSurface( new BRepAdaptor_Surface( quadList.front()->face ));
2480 myBaseEdge = baseEdge;
2481 myIsForward = StdMeshers_PrismAsBlock::IsForwardEdge( myHelper->GetMeshDS(),
2482 *myParamToColumnMap,
2484 if ( quadList.size() > 1 ) // side is vertically composite
2486 // fill myShapeID2Surf map to enable finding a right surface by any sub-shape ID
2488 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2490 TopTools_IndexedDataMapOfShapeListOfShape subToFaces;
2491 Prism_3D::TQuadList::const_iterator quad = quadList.begin();
2492 for ( ; quad != quadList.end(); ++quad )
2494 const TopoDS_Face& face = (*quad)->face;
2495 TopExp::MapShapesAndAncestors( face, TopAbs_VERTEX, TopAbs_FACE, subToFaces );
2496 TopExp::MapShapesAndAncestors( face, TopAbs_EDGE, TopAbs_FACE, subToFaces );
2497 myShapeID2Surf.insert( make_pair( meshDS->ShapeToIndex( face ),
2498 PSurface( new BRepAdaptor_Surface( face ))));
2500 for ( int i = 1; i <= subToFaces.Extent(); ++i )
2502 const TopoDS_Shape& sub = subToFaces.FindKey( i );
2503 TopTools_ListOfShape& faces = subToFaces( i );
2504 int subID = meshDS->ShapeToIndex( sub );
2505 int faceID = meshDS->ShapeToIndex( faces.First() );
2506 myShapeID2Surf.insert ( make_pair( subID, myShapeID2Surf[ faceID ]));
2511 //================================================================================
2513 * \brief Constructor of complex side face
2515 //================================================================================
2517 StdMeshers_PrismAsBlock::TSideFace::
2518 TSideFace(const vector< TSideFace* >& components,
2519 const vector< pair< double, double> > & params)
2520 :myID( components[0] ? components[0]->myID : 0 ),
2521 myParamToColumnMap( 0 ),
2523 myIsForward( true ),
2524 myComponents( components ),
2525 myHelper( components[0] ? components[0]->myHelper : 0 )
2527 //================================================================================
2529 * \brief Copy constructor
2530 * \param other - other side
2532 //================================================================================
2534 StdMeshers_PrismAsBlock::TSideFace::TSideFace( const TSideFace& other )
2537 mySurface = other.mySurface;
2538 myBaseEdge = other.myBaseEdge;
2539 myParams = other.myParams;
2540 myIsForward = other.myIsForward;
2541 myHelper = other.myHelper;
2542 myParamToColumnMap = other.myParamToColumnMap;
2544 myComponents.resize( other.myComponents.size());
2545 for (int i = 0 ; i < myComponents.size(); ++i )
2546 myComponents[ i ] = new TSideFace( *other.myComponents[ i ]);
2549 //================================================================================
2551 * \brief Deletes myComponents
2553 //================================================================================
2555 StdMeshers_PrismAsBlock::TSideFace::~TSideFace()
2557 for (int i = 0 ; i < myComponents.size(); ++i )
2558 if ( myComponents[ i ] )
2559 delete myComponents[ i ];
2562 //================================================================================
2564 * \brief Return geometry of the vertical curve
2565 * \param isMax - true means curve located closer to (1,1,1) block point
2566 * \retval Adaptor3d_Curve* - curve adaptor
2568 //================================================================================
2570 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::VertiCurve(const bool isMax) const
2572 if ( !myComponents.empty() ) {
2574 return myComponents.back()->VertiCurve(isMax);
2576 return myComponents.front()->VertiCurve(isMax);
2578 double f = myParams[0].first, l = myParams[0].second;
2579 if ( !myIsForward ) std::swap( f, l );
2580 return new TVerticalEdgeAdaptor( myParamToColumnMap, isMax ? l : f );
2583 //================================================================================
2585 * \brief Return geometry of the top or bottom curve
2587 * \retval Adaptor3d_Curve* -
2589 //================================================================================
2591 Adaptor3d_Curve* StdMeshers_PrismAsBlock::TSideFace::HorizCurve(const bool isTop) const
2593 return new THorizontalEdgeAdaptor( this, isTop );
2596 //================================================================================
2598 * \brief Return pcurves
2599 * \param pcurv - array of 4 pcurves
2600 * \retval bool - is a success
2602 //================================================================================
2604 bool StdMeshers_PrismAsBlock::TSideFace::GetPCurves(Adaptor2d_Curve2d* pcurv[4]) const
2606 int iEdge[ 4 ] = { BOTTOM_EDGE, TOP_EDGE, V0_EDGE, V1_EDGE };
2608 for ( int i = 0 ; i < 4 ; ++i ) {
2609 Handle(Geom2d_Line) line;
2610 switch ( iEdge[ i ] ) {
2612 line = new Geom2d_Line( gp_Pnt2d( 0, 1 ), gp::DX2d() ); break;
2614 line = new Geom2d_Line( gp::Origin2d(), gp::DX2d() ); break;
2616 line = new Geom2d_Line( gp::Origin2d(), gp::DY2d() ); break;
2618 line = new Geom2d_Line( gp_Pnt2d( 1, 0 ), gp::DY2d() ); break;
2620 pcurv[ i ] = new Geom2dAdaptor_Curve( line, 0, 1 );
2625 //================================================================================
2627 * \brief Returns geometry of pcurve on a horizontal face
2628 * \param isTop - is top or bottom face
2629 * \param horFace - a horizontal face
2630 * \retval Adaptor2d_Curve2d* - curve adaptor
2632 //================================================================================
2635 StdMeshers_PrismAsBlock::TSideFace::HorizPCurve(const bool isTop,
2636 const TopoDS_Face& horFace) const
2638 return new TPCurveOnHorFaceAdaptor( this, isTop, horFace );
2641 //================================================================================
2643 * \brief Return a component corresponding to parameter
2644 * \param U - parameter along a horizontal size
2645 * \param localU - parameter along a horizontal size of a component
2646 * \retval TSideFace* - found component
2648 //================================================================================
2650 StdMeshers_PrismAsBlock::TSideFace*
2651 StdMeshers_PrismAsBlock::TSideFace::GetComponent(const double U,double & localU) const
2654 if ( myComponents.empty() )
2655 return const_cast<TSideFace*>( this );
2658 for ( i = 0; i < myComponents.size(); ++i )
2659 if ( U < myParams[ i ].second )
2661 if ( i >= myComponents.size() )
2662 i = myComponents.size() - 1;
2664 double f = myParams[ i ].first, l = myParams[ i ].second;
2665 localU = ( U - f ) / ( l - f );
2666 return myComponents[ i ];
2669 //================================================================================
2671 * \brief Find node columns for a parameter
2672 * \param U - parameter along a horizontal edge
2673 * \param col1 - the 1st found column
2674 * \param col2 - the 2nd found column
2675 * \retval r - normalized position of U between the found columns
2677 //================================================================================
2679 double StdMeshers_PrismAsBlock::TSideFace::GetColumns(const double U,
2680 TParam2ColumnIt & col1,
2681 TParam2ColumnIt & col2) const
2683 double u = U, r = 0;
2684 if ( !myComponents.empty() ) {
2685 TSideFace * comp = GetComponent(U,u);
2686 return comp->GetColumns( u, col1, col2 );
2691 double f = myParams[0].first, l = myParams[0].second;
2692 u = f + u * ( l - f );
2694 col1 = col2 = getColumn( myParamToColumnMap, u );
2695 if ( ++col2 == myParamToColumnMap->end() ) {
2700 double uf = col1->first;
2701 double ul = col2->first;
2702 r = ( u - uf ) / ( ul - uf );
2707 //================================================================================
2709 * \brief Return coordinates by normalized params
2710 * \param U - horizontal param
2711 * \param V - vertical param
2712 * \retval gp_Pnt - result point
2714 //================================================================================
2716 gp_Pnt StdMeshers_PrismAsBlock::TSideFace::Value(const Standard_Real U,
2717 const Standard_Real V) const
2719 if ( !myComponents.empty() ) {
2721 TSideFace * comp = GetComponent(U,u);
2722 return comp->Value( u, V );
2725 TParam2ColumnIt u_col1, u_col2;
2726 double vR, hR = GetColumns( U, u_col1, u_col2 );
2728 const SMDS_MeshNode* nn[4];
2730 // BEGIN issue 0020680: Bad cell created by Radial prism in center of torus
2731 // Workaround for a wrongly located point returned by mySurface.Value() for
2732 // UV located near boundary of BSpline surface.
2733 // To bypass the problem, we take point from 3D curve of EDGE.
2734 // It solves pb of the bloc_fiss_new.py
2735 const double tol = 1e-3;
2736 if ( V < tol || V+tol >= 1. )
2738 nn[0] = V < tol ? u_col1->second.front() : u_col1->second.back();
2739 nn[2] = V < tol ? u_col2->second.front() : u_col2->second.back();
2747 TopoDS_Shape s = myHelper->GetSubShapeByNode( nn[0], myHelper->GetMeshDS() );
2748 if ( s.ShapeType() != TopAbs_EDGE )
2749 s = myHelper->GetSubShapeByNode( nn[2], myHelper->GetMeshDS() );
2750 if ( s.ShapeType() == TopAbs_EDGE )
2751 edge = TopoDS::Edge( s );
2753 if ( !edge.IsNull() )
2755 double u1 = myHelper->GetNodeU( edge, nn[0] );
2756 double u3 = myHelper->GetNodeU( edge, nn[2] );
2757 double u = u1 * ( 1 - hR ) + u3 * hR;
2758 TopLoc_Location loc; double f,l;
2759 Handle(Geom_Curve) curve = BRep_Tool::Curve( edge,loc,f,l );
2760 return curve->Value( u ).Transformed( loc );
2763 // END issue 0020680: Bad cell created by Radial prism in center of torus
2765 vR = getRAndNodes( & u_col1->second, V, nn[0], nn[1] );
2766 vR = getRAndNodes( & u_col2->second, V, nn[2], nn[3] );
2768 if ( !myShapeID2Surf.empty() ) // side is vertically composite
2770 // find a FACE on which the 4 nodes lie
2771 TSideFace* me = (TSideFace*) this;
2772 int notFaceID1 = 0, notFaceID2 = 0;
2773 for ( int i = 0; i < 4; ++i )
2774 if ( nn[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_FACE ) // node on FACE
2776 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2780 else if ( notFaceID1 == 0 ) // node on EDGE or VERTEX
2782 me->mySurface = me->myShapeID2Surf[ nn[i]->getshapeId() ];
2783 notFaceID1 = nn[i]->getshapeId();
2785 else if ( notFaceID1 != nn[i]->getshapeId() ) // node on other EDGE or VERTEX
2787 if ( mySurface != me->myShapeID2Surf[ nn[i]->getshapeId() ])
2788 notFaceID2 = nn[i]->getshapeId();
2790 if ( notFaceID2 ) // no nodes of FACE and nodes are on different FACEs
2792 SMESHDS_Mesh* meshDS = myHelper->GetMeshDS();
2793 TopoDS_Shape face = myHelper->GetCommonAncestor( meshDS->IndexToShape( notFaceID1 ),
2794 meshDS->IndexToShape( notFaceID2 ),
2795 *myHelper->GetMesh(),
2797 if ( face.IsNull() )
2798 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() face.IsNull()");
2799 int faceID = meshDS->ShapeToIndex( face );
2800 me->mySurface = me->myShapeID2Surf[ faceID ];
2802 throw SALOME_Exception("StdMeshers_PrismAsBlock::TSideFace::Value() !mySurface");
2806 gp_XY uv1 = myHelper->GetNodeUV( mySurface->Face(), nn[0], nn[2]);
2807 gp_XY uv2 = myHelper->GetNodeUV( mySurface->Face(), nn[1], nn[3]);
2808 gp_XY uv12 = uv1 * ( 1 - vR ) + uv2 * vR;
2810 gp_XY uv3 = myHelper->GetNodeUV( mySurface->Face(), nn[2], nn[0]);
2811 gp_XY uv4 = myHelper->GetNodeUV( mySurface->Face(), nn[3], nn[1]);
2812 gp_XY uv34 = uv3 * ( 1 - vR ) + uv4 * vR;
2814 gp_XY uv = uv12 * ( 1 - hR ) + uv34 * hR;
2816 gp_Pnt p = mySurface->Value( uv.X(), uv.Y() );
2821 //================================================================================
2823 * \brief Return boundary edge
2824 * \param edge - edge index
2825 * \retval TopoDS_Edge - found edge
2827 //================================================================================
2829 TopoDS_Edge StdMeshers_PrismAsBlock::TSideFace::GetEdge(const int iEdge) const
2831 if ( !myComponents.empty() ) {
2833 case V0_EDGE : return myComponents.front()->GetEdge( iEdge );
2834 case V1_EDGE : return myComponents.back() ->GetEdge( iEdge );
2835 default: return TopoDS_Edge();
2839 const SMDS_MeshNode* node = 0;
2840 SMESHDS_Mesh * meshDS = myHelper->GetMesh()->GetMeshDS();
2841 TNodeColumn* column;
2846 column = & (( ++myParamToColumnMap->begin())->second );
2847 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2848 edge = myHelper->GetSubShapeByNode ( node, meshDS );
2849 if ( edge.ShapeType() == TopAbs_VERTEX ) {
2850 column = & ( myParamToColumnMap->begin()->second );
2851 node = ( iEdge == TOP_EDGE ) ? column->back() : column->front();
2856 bool back = ( iEdge == V1_EDGE );
2857 if ( !myIsForward ) back = !back;
2859 column = & ( myParamToColumnMap->rbegin()->second );
2861 column = & ( myParamToColumnMap->begin()->second );
2862 if ( column->size() > 0 )
2863 edge = myHelper->GetSubShapeByNode( (*column)[ 1 ], meshDS );
2864 if ( edge.IsNull() || edge.ShapeType() == TopAbs_VERTEX )
2865 node = column->front();
2870 if ( !edge.IsNull() && edge.ShapeType() == TopAbs_EDGE )
2871 return TopoDS::Edge( edge );
2873 // find edge by 2 vertices
2874 TopoDS_Shape V1 = edge;
2875 TopoDS_Shape V2 = myHelper->GetSubShapeByNode( node, meshDS );
2876 if ( !V2.IsNull() && V2.ShapeType() == TopAbs_VERTEX && !V2.IsSame( V1 ))
2878 TopoDS_Shape ancestor = myHelper->GetCommonAncestor( V1, V2, *myHelper->GetMesh(), TopAbs_EDGE);
2879 if ( !ancestor.IsNull() )
2880 return TopoDS::Edge( ancestor );
2882 return TopoDS_Edge();
2885 //================================================================================
2887 * \brief Fill block sub-shapes
2888 * \param shapeMap - map to fill in
2889 * \retval int - nb inserted sub-shapes
2891 //================================================================================
2893 int StdMeshers_PrismAsBlock::TSideFace::InsertSubShapes(TBlockShapes& shapeMap) const
2898 vector< int > edgeIdVec;
2899 SMESH_Block::GetFaceEdgesIDs( myID, edgeIdVec );
2901 for ( int i = BOTTOM_EDGE; i <=V1_EDGE ; ++i ) {
2902 TopoDS_Edge e = GetEdge( i );
2903 if ( !e.IsNull() ) {
2904 nbInserted += SMESH_Block::Insert( e, edgeIdVec[ i ], shapeMap);
2908 // Insert corner vertices
2910 TParam2ColumnIt col1, col2 ;
2911 vector< int > vertIdVec;
2914 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V0_EDGE ], vertIdVec);
2915 GetColumns(0, col1, col2 );
2916 const SMDS_MeshNode* node0 = col1->second.front();
2917 const SMDS_MeshNode* node1 = col1->second.back();
2918 TopoDS_Shape v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2919 TopoDS_Shape v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2920 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2921 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2923 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2924 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2928 SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ V1_EDGE ], vertIdVec);
2929 GetColumns(1, col1, col2 );
2930 node0 = col2->second.front();
2931 node1 = col2->second.back();
2932 v0 = myHelper->GetSubShapeByNode( node0, myHelper->GetMeshDS());
2933 v1 = myHelper->GetSubShapeByNode( node1, myHelper->GetMeshDS());
2934 if ( v0.ShapeType() == TopAbs_VERTEX ) {
2935 nbInserted += SMESH_Block::Insert( v0, vertIdVec[ 0 ], shapeMap);
2937 if ( v1.ShapeType() == TopAbs_VERTEX ) {
2938 nbInserted += SMESH_Block::Insert( v1, vertIdVec[ 1 ], shapeMap);
2941 // TopoDS_Vertex V0, V1, Vcom;
2942 // TopExp::Vertices( myBaseEdge, V0, V1, true );
2943 // if ( !myIsForward ) std::swap( V0, V1 );
2945 // // bottom vertex IDs
2946 // SMESH_Block::GetEdgeVertexIDs( edgeIdVec[ _u0 ], vertIdVec);
2947 // SMESH_Block::Insert( V0, vertIdVec[ 0 ], shapeMap);
2948 // SMESH_Block::Insert( V1, vertIdVec[ 1 ], shapeMap);
2950 // TopoDS_Edge sideEdge = GetEdge( V0_EDGE );
2951 // if ( sideEdge.IsNull() || !TopExp::CommonVertex( botEdge, sideEdge, Vcom ))
2954 // // insert one side edge
2956 // if ( Vcom.IsSame( V0 )) edgeID = edgeIdVec[ _v0 ];
2957 // else edgeID = edgeIdVec[ _v1 ];
2958 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
2960 // // top vertex of the side edge
2961 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec);
2962 // TopoDS_Vertex Vtop = TopExp::FirstVertex( sideEdge );
2963 // if ( Vcom.IsSame( Vtop ))
2964 // Vtop = TopExp::LastVertex( sideEdge );
2965 // SMESH_Block::Insert( Vtop, vertIdVec[ 1 ], shapeMap);
2967 // // other side edge
2968 // sideEdge = GetEdge( V1_EDGE );
2969 // if ( sideEdge.IsNull() )
2971 // if ( edgeID = edgeIdVec[ _v1 ]) edgeID = edgeIdVec[ _v0 ];
2972 // else edgeID = edgeIdVec[ _v1 ];
2973 // SMESH_Block::Insert( sideEdge, edgeID, shapeMap);
2976 // TopoDS_Edge topEdge = GetEdge( TOP_EDGE );
2977 // SMESH_Block::Insert( topEdge, edgeIdVec[ _u1 ], shapeMap);
2979 // // top vertex of the other side edge
2980 // if ( !TopExp::CommonVertex( topEdge, sideEdge, Vcom ))
2982 // SMESH_Block::GetEdgeVertexIDs( edgeID, vertIdVec );
2983 // SMESH_Block::Insert( Vcom, vertIdVec[ 1 ], shapeMap);
2988 //================================================================================
2990 * \brief Dump ids of nodes of sides
2992 //================================================================================
2994 void StdMeshers_PrismAsBlock::TSideFace::dumpNodes(int nbNodes) const
2997 cout << endl << "NODES OF FACE "; SMESH_Block::DumpShapeID( myID, cout ) << endl;
2998 THorizontalEdgeAdaptor* hSize0 = (THorizontalEdgeAdaptor*) HorizCurve(0);
2999 cout << "Horiz side 0: "; hSize0->dumpNodes(nbNodes); cout << endl;
3000 THorizontalEdgeAdaptor* hSize1 = (THorizontalEdgeAdaptor*) HorizCurve(1);
3001 cout << "Horiz side 1: "; hSize1->dumpNodes(nbNodes); cout << endl;
3002 TVerticalEdgeAdaptor* vSide0 = (TVerticalEdgeAdaptor*) VertiCurve(0);
3003 cout << "Verti side 0: "; vSide0->dumpNodes(nbNodes); cout << endl;
3004 TVerticalEdgeAdaptor* vSide1 = (TVerticalEdgeAdaptor*) VertiCurve(1);
3005 cout << "Verti side 1: "; vSide1->dumpNodes(nbNodes); cout << endl;
3006 delete hSize0; delete hSize1; delete vSide0; delete vSide1;
3010 //================================================================================
3012 * \brief Creates TVerticalEdgeAdaptor
3013 * \param columnsMap - node column map
3014 * \param parameter - normalized parameter
3016 //================================================================================
3018 StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::
3019 TVerticalEdgeAdaptor( const TParam2ColumnMap* columnsMap, const double parameter)
3021 myNodeColumn = & getColumn( columnsMap, parameter )->second;
3024 //================================================================================
3026 * \brief Return coordinates for the given normalized parameter
3027 * \param U - normalized parameter
3028 * \retval gp_Pnt - coordinates
3030 //================================================================================
3032 gp_Pnt StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::Value(const Standard_Real U) const
3034 const SMDS_MeshNode* n1;
3035 const SMDS_MeshNode* n2;
3036 double r = getRAndNodes( myNodeColumn, U, n1, n2 );
3037 return gpXYZ(n1) * ( 1 - r ) + gpXYZ(n2) * r;
3040 //================================================================================
3042 * \brief Dump ids of nodes
3044 //================================================================================
3046 void StdMeshers_PrismAsBlock::TVerticalEdgeAdaptor::dumpNodes(int nbNodes) const
3049 for ( int i = 0; i < nbNodes && i < myNodeColumn->size(); ++i )
3050 cout << (*myNodeColumn)[i]->GetID() << " ";
3051 if ( nbNodes < myNodeColumn->size() )
3052 cout << myNodeColumn->back()->GetID();
3056 //================================================================================
3058 * \brief Return coordinates for the given normalized parameter
3059 * \param U - normalized parameter
3060 * \retval gp_Pnt - coordinates
3062 //================================================================================
3064 gp_Pnt StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::Value(const Standard_Real U) const
3066 return mySide->TSideFace::Value( U, myV );
3069 //================================================================================
3071 * \brief Dump ids of <nbNodes> first nodes and the last one
3073 //================================================================================
3075 void StdMeshers_PrismAsBlock::THorizontalEdgeAdaptor::dumpNodes(int nbNodes) const
3078 // Not bedugged code. Last node is sometimes incorrect
3079 const TSideFace* side = mySide;
3081 if ( mySide->IsComplex() )
3082 side = mySide->GetComponent(0,u);
3084 TParam2ColumnIt col, col2;
3085 TParam2ColumnMap* u2cols = side->GetColumns();
3086 side->GetColumns( u , col, col2 );
3088 int j, i = myV ? mySide->ColumnHeight()-1 : 0;
3090 const SMDS_MeshNode* n = 0;
3091 const SMDS_MeshNode* lastN
3092 = side->IsForward() ? u2cols->rbegin()->second[ i ] : u2cols->begin()->second[ i ];
3093 for ( j = 0; j < nbNodes && n != lastN; ++j )
3095 n = col->second[ i ];
3096 cout << n->GetID() << " ";
3097 if ( side->IsForward() )
3105 if ( mySide->IsComplex() )
3106 side = mySide->GetComponent(1,u);
3108 side->GetColumns( u , col, col2 );
3109 if ( n != col->second[ i ] )
3110 cout << col->second[ i ]->GetID();
3113 //================================================================================
3115 * \brief Return UV on pcurve for the given normalized parameter
3116 * \param U - normalized parameter
3117 * \retval gp_Pnt - coordinates
3119 //================================================================================
3121 gp_Pnt2d StdMeshers_PrismAsBlock::TPCurveOnHorFaceAdaptor::Value(const Standard_Real U) const
3123 TParam2ColumnIt u_col1, u_col2;
3124 double r = mySide->GetColumns( U, u_col1, u_col2 );
3125 gp_XY uv1 = mySide->GetNodeUV( myFace, u_col1->second[ myZ ]);
3126 gp_XY uv2 = mySide->GetNodeUV( myFace, u_col2->second[ myZ ]);
3127 return uv1 * ( 1 - r ) + uv2 * r;