1 // Copyright (C) 2007-2013 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 // File : HexoticPlugin_Hexotic.cxx
22 // Author : Lioka RAZAFINDRAZAKA (CEA)
25 #include "HexoticPlugin_Hexotic.hxx"
26 #include "HexoticPlugin_Hypothesis.hxx"
28 #include "utilities.h"
31 #include <sys/sysinfo.h>
44 #include <SMESHDS_Mesh.hxx>
45 #include <SMESHDS_GroupBase.hxx>
46 #include <SMESH_ComputeError.hxx>
47 #include <SMESH_File.hxx>
48 #include <SMESH_Gen.hxx>
49 #include <SMESH_HypoFilter.hxx>
50 #include <SMESH_MesherHelper.hxx>
51 #include <SMESH_subMesh.hxx>
57 #include <Standard_ProgramError.hxx>
59 #include <BRep_Tool.hxx>
60 #include <BRepBndLib.hxx>
61 #include <BRepClass3d_SolidClassifier.hxx>
62 #include <BRepBuilderAPI_MakeVertex.hxx>
63 #include <BRepExtrema_DistShapeShape.hxx>
64 #include <OSD_File.hxx>
65 #include <Precision.hxx>
66 #include <TopExp_Explorer.hxx>
67 #include <TopTools_MapOfShape.hxx>
71 #include <GCPnts_UniformAbscissa.hxx>
72 #include <IntCurvesFace_Intersector.hxx>
73 #include <BRepMesh_IncrementalMesh.hxx>
74 #include <Poly_Triangulation.hxx>
76 #include <GeomAdaptor_Curve.hxx>
78 #include <Basics_Utils.hxx>
79 #include "GEOMImpl_Types.hxx"
80 #include "GEOM_wrap.hxx"
82 static void removeFile( const TCollection_AsciiString& fileName )
85 OSD_File( fileName ).Remove();
87 catch ( Standard_ProgramError ) {
88 MESSAGE("Can't remove file: " << fileName.ToCString() << " ; file does not exist or permission denied");
92 //=============================================================================
96 //=============================================================================
98 HexoticPlugin_Hexotic::HexoticPlugin_Hexotic(int hypId, int studyId, SMESH_Gen* gen)
99 : SMESH_3D_Algo(hypId, studyId, gen)
101 MESSAGE("HexoticPlugin_Hexotic::HexoticPlugin_Hexotic");
102 _name = "Hexotic_3D";
103 _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID);// 1 bit /shape type
104 // _onlyUnaryInput = false;
105 _requireShape = false;
108 _hexoticFilesKept=false;
109 _compatibleHypothesis.push_back("Hexotic_Parameters");
110 #ifdef WITH_BLSURFPLUGIN
113 _compute_canceled = false;
115 // Copy of what is done in BLSURFPLugin TODO : share the code
116 smeshGen_i = SMESH_Gen_i::GetSMESHGen();
117 CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
118 SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
121 myStudy = aStudyMgr->GetStudyByID(_studyId);
123 MESSAGE("myStudy->StudyId() = " << myStudy->StudyId());
126 //=============================================================================
130 //=============================================================================
132 HexoticPlugin_Hexotic::~HexoticPlugin_Hexotic()
134 MESSAGE("HexoticPlugin_Hexotic::~HexoticPlugin_Hexotic");
138 #ifdef WITH_BLSURFPLUGIN
139 bool HexoticPlugin_Hexotic::CheckBLSURFHypothesis( SMESH_Mesh& aMesh,
140 const TopoDS_Shape& aShape )
142 // MESSAGE("HexoticPlugin_Hexotic::CheckBLSURFHypothesis");
145 std::list<const SMESHDS_Hypothesis*>::const_iterator itl;
146 const SMESHDS_Hypothesis* theHyp;
148 // If a BLSURF hypothesis is applied, get it
149 SMESH_HypoFilter blsurfFilter;
150 blsurfFilter.Init( blsurfFilter.HasName( "BLSURF_Parameters" ));
151 std::list<const SMESHDS_Hypothesis *> appliedHyps;
152 aMesh.GetHypotheses( aShape, blsurfFilter, appliedHyps, false );
154 if ( appliedHyps.size() > 0 ) {
155 itl = appliedHyps.begin();
156 theHyp = (*itl); // use only the first hypothesis
157 std::string hypName = theHyp->GetName();
158 if (hypName == "BLSURF_Parameters") {
159 _blsurfHypo = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
168 //=============================================================================
172 //=============================================================================
174 bool HexoticPlugin_Hexotic::CheckHypothesis( SMESH_Mesh& aMesh,
175 const TopoDS_Shape& aShape,
176 SMESH_Hypothesis::Hypothesis_Status& aStatus )
178 // MESSAGE("HexoticPlugin_Hexotic::CheckHypothesis");
181 std::list<const SMESHDS_Hypothesis*>::const_iterator itl;
182 const SMESHDS_Hypothesis* theHyp;
184 const std::list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape, false);
185 int nbHyp = hyps.size();
187 aStatus = SMESH_Hypothesis::HYP_OK;
188 return true; // can work with no hypothesis
192 theHyp = (*itl); // use only the first hypothesis
194 std::string hypName = theHyp->GetName();
195 if (hypName == "Hexotic_Parameters") {
196 _hypothesis = static_cast<const HexoticPlugin_Hypothesis*> (theHyp);
198 aStatus = SMESH_Hypothesis::HYP_OK;
201 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
203 #ifdef WITH_BLSURFPLUGIN
204 CheckBLSURFHypothesis(aMesh, aShape);
207 return aStatus == SMESH_Hypothesis::HYP_OK;
210 //=======================================================================
211 //function : findShape
213 //=======================================================================
215 static TopoDS_Shape findShape(SMDS_MeshNode** t_Node,
217 const TopoDS_Shape* t_Shape,
222 int iShape, nbNode = 8;
224 for ( int i=0; i<3; i++ ) {
226 for ( int j=0; j<nbNode; j++ ) {
227 if ( i == 0) pntCoor[i] += t_Node[j]->X();
228 if ( i == 1) pntCoor[i] += t_Node[j]->Y();
229 if ( i == 2) pntCoor[i] += t_Node[j]->Z();
231 pntCoor[i] /= nbNode;
233 gp_Pnt aPnt(pntCoor[0], pntCoor[1], pntCoor[2]);
235 if ( aShape.IsNull() ) aShape = t_Shape[0];
236 BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
237 if ( !(SC.State() == TopAbs_IN) ) {
239 for (iShape = 0; iShape < nShape && aShape.IsNull(); iShape++) {
240 if ( !( pntCoor[0] < t_Box[iShape][0] || t_Box[iShape][1] < pntCoor[0] ||
241 pntCoor[1] < t_Box[iShape][2] || t_Box[iShape][3] < pntCoor[1] ||
242 pntCoor[2] < t_Box[iShape][4] || t_Box[iShape][5] < pntCoor[2]) ) {
243 BRepClass3d_SolidClassifier SC (t_Shape[iShape], aPnt, Precision::Confusion());
244 if (SC.State() == TopAbs_IN)
245 aShape = t_Shape[iShape];
252 //=======================================================================
253 //function : findEdge
255 //=======================================================================
257 static int findEdge(const SMDS_MeshNode* aNode,
258 const SMESHDS_Mesh* aMesh,
260 const TopoDS_Shape* t_Edge) {
262 TopoDS_Shape aPntShape, foundEdge;
263 TopoDS_Vertex aVertex;
264 gp_Pnt aPnt( aNode->X(), aNode->Y(), aNode->Z() );
267 double nearest = RealLast(), *t_Dist;
268 double epsilon = Precision::Confusion();
270 t_Dist = new double[ nEdge ];
271 aPntShape = BRepBuilderAPI_MakeVertex( aPnt ).Shape();
272 aVertex = TopoDS::Vertex( aPntShape );
274 for ( ind=0; ind < nEdge; ind++ ) {
275 BRepExtrema_DistShapeShape aDistance ( aVertex, t_Edge[ind] );
276 t_Dist[ind] = aDistance.Value();
277 if ( t_Dist[ind] < nearest ) {
278 nearest = t_Dist[ind];
279 foundEdge = t_Edge[ind];
281 if ( nearest < epsilon )
287 return aMesh->ShapeToIndex( foundEdge );
290 //=======================================================================
291 //function : getNbShape
293 //=======================================================================
295 static int getNbShape(std::string aFile, std::string aString, int defaultValue=0) {
296 int number = defaultValue;
298 std::ifstream file(aFile.c_str());
299 while ( !file.eof() ) {
300 getline( file, aLine);
301 if ( aLine == aString ) {
302 getline( file, aLine);
303 std::istringstream stringFlux( aLine );
304 stringFlux >> number;
305 number = ( number + defaultValue + std::abs(number - defaultValue) ) / 2;
313 //=======================================================================
314 //function : countShape
316 //=======================================================================
318 template < class Mesh, class Shape >
319 static int countShape( Mesh* mesh, Shape shape ) {
320 TopExp_Explorer expShape ( mesh->ShapeToMesh(), shape );
321 TopTools_MapOfShape mapShape;
323 for ( ; expShape.More(); expShape.Next() ) {
324 if (mapShape.Add(expShape.Current())) {
331 //=======================================================================
332 //function : getShape
334 //=======================================================================
336 template < class Mesh, class Shape, class Tab >
337 void getShape(Mesh* mesh, Shape shape, Tab *t_Shape) {
338 TopExp_Explorer expShape ( mesh->ShapeToMesh(), shape );
339 TopTools_MapOfShape mapShape;
340 for ( int i=0; expShape.More(); expShape.Next() ) {
341 if (mapShape.Add(expShape.Current())) {
342 t_Shape[i] = expShape.Current();
349 //=======================================================================
350 //function : printWarning
352 //=======================================================================
354 static void printWarning(const int nbExpected, std::string aString, const int nbFound) {
356 cout << "WARNING : " << nbExpected << " " << aString << " expected, Hexotic has found " << nbFound << std::endl;
357 cout << "=======" << std::endl;
362 //=======================================================================
363 //function : removeHexoticFiles
365 //=======================================================================
367 static void removeHexoticFiles(TCollection_AsciiString file_In, TCollection_AsciiString file_Out) {
368 removeFile( file_In );
369 removeFile( file_Out );
372 //=======================================================================
373 //function : readResult
374 //purpose : Read GMF file in case of a mesh with geometry
375 //=======================================================================
377 static bool readResult(std::string theFile,
378 HexoticPlugin_Hexotic* theAlgo,
379 SMESHDS_Mesh* theMesh,
381 const TopoDS_Shape* tabShape,
384 // ---------------------------------
385 // Optimisation of the plugin ...
386 // Retrieve the correspondance edge --> shape
387 // (which is very costly) only when user
388 // has defined at least one group of edges
389 // which should be rare for a 3d mesh !
390 // ---------------------------------
392 bool retrieve_edges = false;
393 const std::set<SMESHDS_GroupBase*>& aGroups = theMesh->GetGroups();
394 set<SMESHDS_GroupBase*>::const_iterator GrIt = aGroups.begin();
395 for (; GrIt != aGroups.end(); GrIt++)
397 SMESHDS_GroupBase* aGrp = *GrIt;
400 if ( aGrp->GetType() == SMDSAbs_Edge )
402 retrieve_edges = true;
407 // ---------------------------------
408 // Read generated elements and nodes
409 // ---------------------------------
412 TopoDS_Vertex aVertex;
414 int EndOfFile = 0, nbElem = 0, nField = 9, nbRef = 0;
415 int aHexoticNodeID = 0, shapeID, hexoticShapeID;
416 const int IdShapeRef = 2;
417 int *tabID, *tabRef, *nodeAssigne;
418 bool *tabDummy, hasDummy = false;
419 double epsilon = Precision::Confusion();
420 std::map <std::string,int> mapField;
421 SMDS_MeshNode** HexoticNode;
422 TopoDS_Shape *tabCorner, *tabEdge;
424 const int nbDomains = countShape( theMesh, TopAbs_SHELL );
425 const int holeID = -1;
427 // tabID = new int[nbShape];
428 tabID = new int[nbDomains];
429 tabRef = new int[nField];
430 tabDummy = new bool[nField];
432 for (int i=0; i<nbDomains; i++)
434 if ( nbDomains == 1 )
435 tabID[0] = theMesh->ShapeToIndex( tabShape[0] );
437 mapField["MeshVersionFormatted"] = 0; tabRef[0] = 0; tabDummy[0] = false;
438 mapField["Dimension"] = 1; tabRef[1] = 0; tabDummy[1] = false;
439 mapField["Vertices"] = 2; tabRef[2] = 3; tabDummy[2] = true;
440 mapField["Corners"] = 3; tabRef[3] = 1; tabDummy[3] = false;
441 mapField["Edges"] = 4; tabRef[4] = 2; tabDummy[4] = true;
442 mapField["Ridges"] = 5; tabRef[5] = 1; tabDummy[5] = false;
443 mapField["Quadrilaterals"] = 6; tabRef[6] = 4; tabDummy[6] = true;
444 mapField["Hexahedra"] = 7; tabRef[7] = 8; tabDummy[7] = true;
445 mapField["End"] = 8; tabRef[8] = 0; tabDummy[0] = false;
447 SMDS_NodeIteratorPtr itOnHexoticInputNode = theMesh->nodesIterator();
448 while ( itOnHexoticInputNode->more() )
449 theMesh->RemoveNode( itOnHexoticInputNode->next() );
451 int nbVertices = getNbShape(theFile, "Vertices");
452 int nbCorners = getNbShape(theFile, "Corners", countShape( theMesh, TopAbs_VERTEX ));
453 int nbShapeEdge = countShape( theMesh, TopAbs_EDGE );
455 tabCorner = new TopoDS_Shape[ nbCorners ];
456 tabEdge = new TopoDS_Shape[ nbShapeEdge ];
457 nodeAssigne = new int[ nbVertices + 1 ];
458 HexoticNode = new SMDS_MeshNode*[ nbVertices + 1 ];
460 getShape(theMesh, TopAbs_VERTEX, tabCorner);
461 getShape(theMesh, TopAbs_EDGE, tabEdge);
463 MESSAGE("Read " << theFile << " file");
464 std::ifstream fileRes(theFile.c_str());
467 while ( EndOfFile == 0 ) {
471 if (mapField.count(token)) {
472 nField = mapField[token];
473 nbRef = tabRef[nField];
474 hasDummy = tabDummy[nField];
482 if ( nField < (mapField.size() - 1) && nField >= 0 )
486 case 0: { // "MeshVersionFormatted"
487 MESSAGE(token << " " << nbElem);
490 case 1: { // "Dimension"
491 MESSAGE("Mesh dimension " << nbElem << "D");
494 case 2: { // "Vertices"
495 MESSAGE("Read " << nbElem << " " << token);
498 SMDS_MeshNode * aHexoticNode;
500 coord = new double[nbRef];
501 for ( int iElem = 0; iElem < nbElem; iElem++ ) {
502 if(theAlgo->computeCanceled())
506 aHexoticID = iElem + 1;
507 for ( int iCoord = 0; iCoord < 3; iCoord++ )
508 fileRes >> coord[ iCoord ];
510 aHexoticNode = theMesh->AddNode(coord[0], coord[1], coord[2]);
511 HexoticNode[ aHexoticID ] = aHexoticNode;
512 nodeAssigne[ aHexoticID ] = 0;
520 case 6: // "Quadrilaterals"
521 case 7: { // "Hexahedra"
522 MESSAGE("Read " << nbElem << " " << token);
523 SMDS_MeshNode** node;
524 int nodeDim, *nodeID;
525 SMDS_MeshElement * aHexoticElement = 0;
527 node = new SMDS_MeshNode*[ nbRef ];
528 nodeID = new int[ nbRef ];
529 for ( int iElem = 0; iElem < nbElem; iElem++ ) {
530 if(theAlgo->computeCanceled())
534 for ( int iRef = 0; iRef < nbRef; iRef++ ) {
535 fileRes >> aHexoticNodeID; // read nbRef aHexoticNodeID
536 node[ iRef ] = HexoticNode[ aHexoticNodeID ];
537 nodeID[ iRef ] = aHexoticNodeID;
542 case 3: { // "Corners"
544 gp_Pnt HexoticPnt ( node[0]->X(), node[0]->Y(), node[0]->Z() );
545 for ( int i=0; i<nbElem; i++ ) {
546 aVertex = TopoDS::Vertex( tabCorner[i] );
547 gp_Pnt aPnt = BRep_Tool::Pnt( aVertex );
548 if ( aPnt.Distance( HexoticPnt ) < epsilon )
555 aHexoticElement = theMesh->AddEdge( node[0], node[1] );
557 if ( nodeAssigne[ nodeID[0] ] == 0 || nodeAssigne[ nodeID[0] ] == 2 )
560 shapeID = findEdge( node[iNode], theMesh, nbShapeEdge, tabEdge );
565 case 5: { // "Ridges"
568 case 6: { // "Quadrilaterals"
570 aHexoticElement = theMesh->AddFace( node[0], node[1], node[2], node[3] );
574 case 7: { // "Hexahedra"
576 if ( nbDomains > 1 ) {
577 hexoticShapeID = dummy - IdShapeRef;
578 if ( tabID[ hexoticShapeID ] == 0 ) {
579 aShape = findShape(node, aShape, tabShape, tabBox, nbShape);
580 shapeID = aShape.IsNull() ? holeID : theMesh->ShapeToIndex( aShape );
581 tabID[ hexoticShapeID ] = shapeID;
584 shapeID = tabID[ hexoticShapeID ];
585 if ( iElem == (nbElem - 1) ) {
586 int shapeAssociated = 0;
587 for ( int i=0; i<nbDomains; i++ ) {
589 shapeAssociated += 1;
591 if ( shapeAssociated != nbShape )
592 printWarning(nbShape, "domains", shapeAssociated);
598 if ( shapeID != holeID )
599 aHexoticElement = theMesh->AddVolume( node[0], node[3], node[2], node[1], node[4], node[7], node[6], node[5] );
604 if ( token != "Ridges" && ( shapeID > 0 || token == "Corners")) {
605 for ( int i=0; i<nbRef; i++ ) {
606 if ( nodeAssigne[ nodeID[i] ] == 0 ) {
607 if ( token == "Corners" ) theMesh->SetNodeOnVertex( node[0], aVertex );
608 else if ( token == "Edges" ) theMesh->SetNodeOnEdge( node[i], shapeID );
609 else if ( token == "Quadrilaterals" ) theMesh->SetNodeOnFace( node[i], shapeID );
610 else if ( token == "Hexahedra" ) theMesh->SetNodeInVolume( node[i], shapeID );
611 nodeAssigne[ nodeID[i] ] = nodeDim;
614 if ( token != "Corners" && aHexoticElement )
615 theMesh->SetMeshElementOnShape( aHexoticElement, shapeID );
624 MESSAGE("End of " << theFile << " file");
628 MESSAGE("Unknown Token: " << token);
634 // remove nodes in holes
637 SMESHDS_SubMesh* subMesh;
638 for ( int i = 1; i <= nbVertices; ++i )
639 if ( HexoticNode[i]->NbInverseElements() == 0 )
641 subMesh = HexoticNode[i]->getshapeId() > 0 ? theMesh->MeshElements(HexoticNode[i]->getshapeId() ) : 0;
642 theMesh->RemoveFreeNode( HexoticNode[i], subMesh, /*fromGroups=*/false );
650 delete [] nodeAssigne;
651 delete [] HexoticNode;
656 //=======================================================================
657 //function : readResult
658 //purpose : Read GMF file in case of a mesh w/o geometry
659 //=======================================================================
661 static bool readResult(std::string theFile,
662 HexoticPlugin_Hexotic* theAlgo,
663 SMESH_MesherHelper* theHelper)
665 SMESHDS_Mesh* theMesh = theHelper->GetMeshDS();
667 // ---------------------------------
668 // Read generated elements and nodes
669 // ---------------------------------
672 const int nbField = 9;
673 int nField, EndOfFile = 0, nbElem = 0, nbRef = 0;
674 int aHexoticNodeID = 0, shapeID;
675 int tabRef[nbField], *nodeAssigne;
676 bool tabDummy[nbField], hasDummy = false;
677 std::map <std::string,int> mapField;
678 SMDS_MeshNode** HexoticNode;
680 mapField["MeshVersionFormatted"] = 0; tabRef[0] = 0; tabDummy[0] = false;
681 mapField["Dimension"] = 1; tabRef[1] = 0; tabDummy[1] = false;
682 mapField["Vertices"] = 2; tabRef[2] = 3; tabDummy[2] = true;
683 mapField["Corners"] = 3; tabRef[3] = 1; tabDummy[3] = false;
684 mapField["Edges"] = 4; tabRef[4] = 2; tabDummy[4] = true;
685 mapField["Ridges"] = 5; tabRef[5] = 1; tabDummy[5] = false;
686 mapField["Quadrilaterals"] = 6; tabRef[6] = 4; tabDummy[6] = true;
687 mapField["Hexahedra"] = 7; tabRef[7] = 8; tabDummy[7] = true;
688 mapField["End"] = 8; tabRef[8] = 0; tabDummy[8] = false;
691 // theMesh->Clear(); -- this does not remove imported mesh
692 SMDS_ElemIteratorPtr eIt = theMesh->elementsIterator();
694 theMesh->RemoveFreeElement( eIt->next(), /*sm=*/0 );
695 SMDS_NodeIteratorPtr nIt = theMesh->nodesIterator();
696 while ( nIt->more() )
697 theMesh->RemoveFreeNode( nIt->next(), /*sm=*/0 );
700 int nbVertices = getNbShape(theFile, "Vertices");
701 HexoticNode = new SMDS_MeshNode*[ nbVertices + 1 ];
702 nodeAssigne = new int[ nbVertices + 1 ];
704 MESSAGE("Read " << theFile << " file");
705 std::ifstream fileRes(theFile.c_str());
713 if (mapField.count(token)) {
714 nField = mapField[token];
715 nbRef = tabRef[nField];
716 hasDummy = tabDummy[nField];
724 if ( nField < (mapField.size() - 1) && nField >= 0 )
728 case 0: { // "MeshVersionFormatted"
729 MESSAGE(token << " " << nbElem);
732 case 1: { // "Dimension"
733 MESSAGE("Mesh dimension " << nbElem << "D");
736 case 2: { // "Vertices"
737 MESSAGE("Read " << nbElem << " " << token);
740 SMDS_MeshNode * aHexoticNode;
742 for ( int iElem = 0; iElem < nbElem; iElem++ ) {
743 if(theAlgo->computeCanceled())
747 aHexoticID = iElem + 1;
748 for ( int iCoord = 0; iCoord < 3; iCoord++ )
749 fileRes >> coord[ iCoord ];
751 aHexoticNode = theMesh->AddNode(coord[0], coord[1], coord[2]);
752 HexoticNode[ aHexoticID ] = aHexoticNode;
753 nodeAssigne[ aHexoticID ] = 0;
760 case 6: // "Quadrilaterals"
761 case 7: { // "Hexahedra"
762 MESSAGE("Read " << nbElem << " " << token);
763 std::vector< SMDS_MeshNode* > node( nbRef );
764 std::vector< int > nodeID( nbRef );
766 for ( int iElem = 0; iElem < nbElem; iElem++ )
768 if(theAlgo->computeCanceled())
772 for ( int iRef = 0; iRef < nbRef; iRef++ )
774 fileRes >> aHexoticNodeID; // read nbRef aHexoticNodeID
775 node [ iRef ] = HexoticNode[ aHexoticNodeID ];
776 nodeID[ iRef ] = aHexoticNodeID;
783 theHelper->AddEdge( node[0], node[1] ); break;
784 case 6: // "Quadrilaterals"
785 theMesh->AddFace( node[0], node[1], node[2], node[3] ); break;
786 case 7: // "Hexahedra"
787 theHelper->AddVolume( node[0], node[3], node[2], node[1],
788 node[4], node[7], node[6], node[5] ); break;
792 for ( int iRef = 0; iRef < nbRef; iRef++ )
793 nodeAssigne[ nodeID[ iRef ]] = 1;
799 MESSAGE("End of " << theFile << " file");
803 MESSAGE("Unknown Token: " << token);
809 shapeID = theHelper->GetSubShapeID();
810 for ( int i = 0; i < nbVertices; ++i )
811 if ( !nodeAssigne[ i+1 ])
812 theMesh->SetNodeInVolume( HexoticNode[ i+1 ], shapeID );
814 delete [] HexoticNode;
815 delete [] nodeAssigne;
819 //=============================================================================
821 * Pass parameters to Hexotic
823 //=============================================================================
825 void HexoticPlugin_Hexotic::SetParameters(const HexoticPlugin_Hypothesis* hyp) {
827 MESSAGE("HexoticPlugin_Hexotic::SetParameters");
829 _hexesMinLevel = hyp->GetHexesMinLevel();
830 _hexesMaxLevel = hyp->GetHexesMaxLevel();
831 _hexesMinSize = hyp->GetMinSize();
832 _hexesMaxSize = hyp->GetMaxSize();
833 _hexoticIgnoreRidges = hyp->GetHexoticIgnoreRidges();
834 _hexoticInvalidElements = hyp->GetHexoticInvalidElements();
835 _hexoticSharpAngleThreshold = hyp->GetHexoticSharpAngleThreshold();
836 _hexoticNbProc = hyp->GetHexoticNbProc();
837 _hexoticWorkingDirectory = hyp->GetHexoticWorkingDirectory();
838 _hexoticVerbosity = hyp->GetHexoticVerbosity();
839 _hexoticMaxMemory = hyp->GetHexoticMaxMemory();
840 _hexoticSdMode = hyp->GetHexoticSdMode();
841 _sizeMaps = hyp->GetSizeMaps();
845 cout << "WARNING : The Hexotic default parameters are taken into account" << std::endl;
846 cout << "=======" << std::endl;
847 _hexesMinLevel = hyp->GetDefaultHexesMinLevel();
848 _hexesMaxLevel = hyp->GetDefaultHexesMaxLevel();
849 _hexesMinSize = hyp->GetDefaultMinSize();
850 _hexesMaxSize = hyp->GetDefaultMaxSize();
851 _hexoticIgnoreRidges = hyp->GetDefaultHexoticIgnoreRidges();
852 _hexoticInvalidElements = hyp->GetDefaultHexoticInvalidElements();
853 _hexoticSharpAngleThreshold = hyp->GetDefaultHexoticSharpAngleThreshold();
854 _hexoticNbProc = hyp->GetDefaultHexoticNbProc();
855 _hexoticWorkingDirectory = hyp->GetDefaultHexoticWorkingDirectory();
856 _hexoticVerbosity = hyp->GetDefaultHexoticVerbosity();
857 _hexoticMaxMemory = hyp->GetDefaultHexoticMaxMemory();
858 _hexoticSdMode = hyp->GetDefaultHexoticSdMode();
859 _sizeMaps = hyp->GetDefaultHexoticSizeMaps();
863 //=======================================================================
864 //function : getTmpDir
866 //=======================================================================
868 static TCollection_AsciiString getTmpDir()
870 TCollection_AsciiString aTmpDir;
872 char *Tmp_dir = getenv("SALOME_TMP_DIR");
874 if(Tmp_dir == NULL) {
875 Tmp_dir = getenv("TEMP");
877 Tmp_dir = getenv("TMP");
881 if(Tmp_dir != NULL) {
884 if(aTmpDir.Value(aTmpDir.Length()) != '\\') aTmpDir+='\\';
886 if(aTmpDir.Value(aTmpDir.Length()) != '/') aTmpDir+='/';
891 aTmpDir = TCollection_AsciiString("C:\\");
893 aTmpDir = TCollection_AsciiString("/tmp/");
899 //=======================================================================
900 //function : getSuffix
901 //purpose : Returns a suffix that will be unique for the current process
902 //=======================================================================
904 static TCollection_AsciiString getSuffix()
906 TCollection_AsciiString aSuffix = "";
908 aSuffix += getenv("USER");
910 aSuffix += Kernel_Utils::GetHostname().c_str();
915 aSuffix += _getpid();
921 //================================================================================
923 * \brief Returns a command to run Hexotic mesher
925 //================================================================================
927 std::string HexoticPlugin_Hexotic::getHexoticCommand(const TCollection_AsciiString& Hexotic_In,
928 const TCollection_AsciiString& Hexotic_Out,
929 const TCollection_AsciiString& Hexotic_SizeMap_Prefix) const
932 cout << "Hexotic execution..." << std::endl;
933 cout << _name << " parameters :" << std::endl;
934 cout << " " << _name << " Verbosity = " << _hexoticVerbosity << std::endl;
935 cout << " " << _name << " Max Memory = " << _hexoticMaxMemory << std::endl;
936 cout << " " << _name << " Segments Min Level = " << _hexesMinLevel << std::endl;
937 cout << " " << _name << " Segments Max Level = " << _hexesMaxLevel << std::endl;
938 cout << " " << _name << " Segments Min Size = " << _hexesMinSize << std::endl;
939 cout << " " << _name << " Segments Max Size = " << _hexesMaxSize << std::endl;
940 cout << " " << "Hexotic can ignore ridges : " << (_hexoticIgnoreRidges ? "yes":"no") << std::endl;
941 cout << " " << "Hexotic authorize invalide elements : " << ( _hexoticInvalidElements ? "yes":"no") << std::endl;
942 cout << " " << _name << " Sharp angle threshold = " << _hexoticSharpAngleThreshold << " degrees" << std::endl;
943 cout << " " << _name << " Number of threads = " << _hexoticNbProc << std::endl;
944 cout << " " << _name << " Working directory = \"" << _hexoticWorkingDirectory << "\"" << std::endl;
945 cout << " " << _name << " Sub. Dom mode = " << _hexoticSdMode << std::endl;
947 TCollection_AsciiString run_Hexotic( "mg-hexa.exe" );
949 TCollection_AsciiString minl = " --min_level ", maxl = " --max_level ", angle = " --ridge_angle ";
950 TCollection_AsciiString mins = " --min_size ", maxs = " --max_size ";
951 TCollection_AsciiString in = " --in ", out = " --out ";
952 TCollection_AsciiString sizeMap = " --read_sizemap ";
953 TCollection_AsciiString ignoreRidges = " --compute_ridges no ", invalideElements = " --allow_invalid_elements yes ";
954 TCollection_AsciiString subdom = " --components ";
955 TCollection_AsciiString proc = " --max_number_of_threads ";
956 TCollection_AsciiString verb = " --verbose ";
957 TCollection_AsciiString maxmem = " --max_memory ";
959 TCollection_AsciiString minLevel, maxLevel, minSize, maxSize, sharpAngle, mode, nbproc, verbosity, maxMemory;
960 minLevel = _hexesMinLevel;
961 maxLevel = _hexesMaxLevel;
962 minSize = _hexesMinSize;
963 maxSize = _hexesMaxSize;
964 sharpAngle = _hexoticSharpAngleThreshold;
965 // Mode translation for mg-tetra 1.1
966 switch ( _hexoticSdMode )
969 mode = "outside_skin_only";
972 mode = "outside_components";
978 mode = "all --manifold_geometry no";
981 nbproc = _hexoticNbProc;
982 verbosity = _hexoticVerbosity;
983 maxMemory = _hexoticMaxMemory;
985 if (_hexoticIgnoreRidges)
986 run_Hexotic += ignoreRidges;
988 if (_hexoticInvalidElements)
989 run_Hexotic += invalideElements;
991 if (_hexesMinSize > 0)
992 run_Hexotic += mins + minSize;
994 if (_hexesMaxSize > 0)
995 run_Hexotic += maxs + maxSize;
997 if (_hexesMinLevel > 0)
998 run_Hexotic += minl + minLevel;
1000 if (_hexesMaxLevel > 0)
1001 run_Hexotic += maxl + maxLevel;
1003 if (_hexoticSharpAngleThreshold > 0)
1004 run_Hexotic += angle + sharpAngle;
1006 if (_sizeMaps.begin() != _sizeMaps.end())
1007 run_Hexotic += sizeMap + Hexotic_SizeMap_Prefix;
1009 run_Hexotic += in + Hexotic_In + out + Hexotic_Out;
1010 run_Hexotic += subdom + mode;
1011 run_Hexotic += proc + nbproc;
1012 run_Hexotic += verb + verbosity;
1013 run_Hexotic += maxmem + maxMemory;
1015 return run_Hexotic.ToCString();
1018 // TODO : this is a duplication of some code found in BLSURFPlugin_BLSURF find a proper
1020 TopoDS_Shape HexoticPlugin_Hexotic::entryToShape(std::string entry)
1022 MESSAGE("HexoticPlugin_Hexotic::entryToShape "<<entry );
1023 GEOM::GEOM_Object_var aGeomObj;
1024 TopoDS_Shape S = TopoDS_Shape();
1025 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
1026 if (!aSObj->_is_nil()) {
1027 CORBA::Object_var obj = aSObj->GetObject();
1028 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
1029 aSObj->UnRegister();
1031 if ( !aGeomObj->_is_nil() )
1032 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
1036 //================================================================================
1038 * \brief Produces a .mesh file with the size maps informations to give to Hexotic
1040 //================================================================================
1041 std::vector<std::string> HexoticPlugin_Hexotic::writeSizeMapFile( std::string sizeMapPrefix )
1043 HexoticPlugin_Hypothesis::THexoticSizeMaps::iterator it ;
1045 // The GMF driver will be used to write the size map file
1046 DriverGMF_Write aWriter;
1047 aWriter.SetSizeMapPrefix( sizeMapPrefix );
1049 std::vector<Control_Pnt> points;
1050 // Iterate on the size maps
1051 for (it=_sizeMaps.begin(); it!=_sizeMaps.end(); it++)
1053 // Step 1 : Get the GEOM object entry and the size
1054 // from the _sizeMaps infos
1055 std::string anEntry = it->first;
1056 double aLocalSize = it->second;
1057 TopoDS_Shape aShape = entryToShape( anEntry );
1059 // Step 2 : Create the points
1060 createControlPoints( aShape, aLocalSize, points );
1062 // Write the .mesh size map file
1063 aWriter.PerformSizeMap(points);
1064 return aWriter.GetSizeMapFiles();
1067 //================================================================================
1069 * \brief Fills a vector of points from which a size map input file can be written
1071 //================================================================================
1072 void HexoticPlugin_Hexotic::createControlPoints( const TopoDS_Shape& aShape,
1073 const double& theSize,
1074 std::vector<Control_Pnt>& thePoints )
1076 if ( aShape.ShapeType() == TopAbs_VERTEX )
1078 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex(aShape) );
1079 Control_Pnt aControl_Pnt( aPnt, theSize );
1080 thePoints.push_back( aControl_Pnt );
1082 if ( aShape.ShapeType() == TopAbs_EDGE )
1084 createPointsSampleFromEdge( aShape, theSize, thePoints );
1086 else if ( aShape.ShapeType() == TopAbs_WIRE )
1089 for (Ex.Init(aShape,TopAbs_EDGE); Ex.More(); Ex.Next())
1091 createPointsSampleFromEdge( Ex.Current(), theSize, thePoints );
1094 else if ( aShape.ShapeType() == TopAbs_FACE )
1096 createPointsSampleFromFace( aShape, theSize, thePoints );
1098 else if ( aShape.ShapeType() == TopAbs_SOLID )
1100 createPointsSampleFromSolid( aShape, theSize, thePoints );
1102 else if ( aShape.ShapeType() == TopAbs_COMPOUND )
1104 TopoDS_Iterator it( aShape );
1105 for(; it.More(); it.Next())
1107 createControlPoints( it.Value(), theSize, thePoints );
1112 //================================================================================
1114 * \brief Fills a vector of points with point samples approximately
1115 * \brief spaced with a given size
1117 //================================================================================
1118 void HexoticPlugin_Hexotic::createPointsSampleFromEdge( const TopoDS_Shape& aShape,
1119 const double& theSize,
1120 std::vector<Control_Pnt>& thePoints )
1122 double step = theSize;
1124 Handle( Geom_Curve ) aCurve = BRep_Tool::Curve( TopoDS::Edge( aShape ), first, last );
1125 GeomAdaptor_Curve C ( aCurve );
1126 GCPnts_UniformAbscissa DiscretisationAlgo(C, step , first, last, Precision::Confusion());
1127 int nbPoints = DiscretisationAlgo.NbPoints();
1129 for ( int i = 1; i <= nbPoints; i++ )
1131 double param = DiscretisationAlgo.Parameter( i );
1133 aCurve->D0( param, aPnt );
1134 aPnt.SetSize(theSize);
1135 thePoints.push_back( aPnt );
1139 //================================================================================
1141 * \brief Fills a vector of points with point samples approximately
1142 * \brief spaced with a given size
1144 //================================================================================
1145 void HexoticPlugin_Hexotic::createPointsSampleFromFace( const TopoDS_Shape& aShape,
1146 const double& theSize,
1147 std::vector<Control_Pnt>& thePoints )
1149 BRepMesh_IncrementalMesh M(aShape, 0.01, Standard_True);
1150 TopLoc_Location aLocation;
1151 TopoDS_Face aFace = TopoDS::Face(aShape);
1153 // Triangulate the face
1154 Handle(Poly_Triangulation) aTri = BRep_Tool::Triangulation (aFace, aLocation);
1156 // Get the transformation associated to the face location
1157 gp_Trsf aTrsf = aLocation.Transformation();
1160 int nbTriangles = aTri->NbTriangles();
1161 Poly_Array1OfTriangle triangles(1,nbTriangles);
1162 triangles=aTri->Triangles();
1165 int nbNodes = aTri->NbNodes();
1166 TColgp_Array1OfPnt nodes(1,nbNodes);
1167 nodes = aTri->Nodes();
1169 // Iterate on triangles and subdivide them
1170 for(int i=1; i<=nbTriangles; i++)
1172 Poly_Triangle aTriangle = triangles.Value(i);
1173 gp_Pnt p1 = nodes.Value(aTriangle.Value(1));
1174 gp_Pnt p2 = nodes.Value(aTriangle.Value(2));
1175 gp_Pnt p3 = nodes.Value(aTriangle.Value(3));
1177 p1.Transform(aTrsf);
1178 p2.Transform(aTrsf);
1179 p3.Transform(aTrsf);
1181 subdivideTriangle(p1, p2, p3, theSize, thePoints);
1185 //================================================================================
1187 * \brief Fills a vector of points with point samples approximately
1188 * \brief spaced with a given size
1190 //================================================================================
1191 void HexoticPlugin_Hexotic::createPointsSampleFromSolid( const TopoDS_Shape& aShape,
1192 const double& theSize,
1193 std::vector<Control_Pnt>& thePoints )
1195 // Compute the bounding box
1196 double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
1198 BRepBndLib::Add(aShape, B);
1199 B.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
1201 // Create the points
1202 double step = theSize;
1204 for ( double x=Xmin; x-Xmax<Precision::Confusion(); x=x+step )
1206 for ( double y=Ymin; y-Ymax<Precision::Confusion(); y=y+step )
1208 // Step1 : generate the Zmin -> Zmax line
1209 gp_Pnt startPnt(x, y, Zmin);
1210 gp_Pnt endPnt(x, y, Zmax);
1211 gp_Vec aVec(startPnt, endPnt);
1212 gp_Lin aLine(startPnt, aVec);
1213 double endParam = Zmax - Zmin;
1215 // Step2 : for each face of aShape:
1216 std::set<double> intersections;
1217 std::set<double>::iterator it = intersections.begin();
1220 for (Ex.Init(aShape,TopAbs_FACE); Ex.More(); Ex.Next())
1222 // check if there is an intersection
1223 IntCurvesFace_Intersector anIntersector(TopoDS::Face(Ex.Current()), Precision::Confusion());
1224 anIntersector.Perform(aLine, 0, endParam);
1226 // get the intersection's parameter and store it
1227 int nbPoints = anIntersector.NbPnt();
1228 for(int i = 0 ; i < nbPoints ; i++ )
1230 it = intersections.insert( it, anIntersector.WParameter(i+1) );
1233 // Step3 : go through the line chunk by chunk
1234 if ( intersections.begin() != intersections.end() )
1236 std::set<double>::iterator intersectionsIterator=intersections.begin();
1237 double first = *intersectionsIterator;
1238 intersectionsIterator++;
1239 bool innerPoints = true;
1240 for ( ; intersectionsIterator!=intersections.end() ; intersectionsIterator++ )
1242 double second = *intersectionsIterator;
1245 // If the last chunk was outside of the shape or this is the first chunk
1246 // add the points in the range [first, second] to the points vector
1247 double localStep = (second -first) / ceil( (second - first) / step );
1248 for ( double z = Zmin + first; z < Zmin + second; z = z + localStep )
1250 thePoints.push_back(Control_Pnt( x, y, z, theSize ));
1252 thePoints.push_back(Control_Pnt( x, y, Zmin + second, theSize ));
1255 innerPoints = !innerPoints;
1262 //================================================================================
1264 * \brief Subdivides a triangle until it reaches a certain size (recursive function)
1266 //================================================================================
1267 void HexoticPlugin_Hexotic::subdivideTriangle( const gp_Pnt& p1,
1270 const double& theSize,
1271 std::vector<Control_Pnt>& thePoints)
1273 // Size threshold to stop subdividing
1274 // This value ensures that two control points are distant no more than 2*theSize
1277 // The greater distance D of the mass center M to each Edge is 1/3 * Median
1278 // and Median < sqrt(3/4) * a where a is the greater side (by using Apollonius' thorem).
1279 // So D < 1/3 * sqrt(3/4) * a and if a < sqrt(3) * S then D < S/2
1280 // and the distance between two mass centers of two neighbouring triangles
1281 // sharing an edge is < 2 * 1/2 * S = S
1282 // If the traingles share a Vertex and no Edge the distance of the mass centers
1283 // to the Vertices is 2*D < S so the mass centers are distant of less than 2*S
1285 double threshold = sqrt( 3. ) * theSize;
1287 if ( (p1.Distance(p2) > threshold ||
1288 p2.Distance(p3) > threshold ||
1289 p3.Distance(p1) > threshold))
1291 std::vector<gp_Pnt> midPoints = computePointsForSplitting(p1, p2, p3);
1293 subdivideTriangle( midPoints[0], midPoints[1], midPoints[2], theSize, thePoints );
1294 subdivideTriangle( midPoints[0], p2, midPoints[1], theSize, thePoints );
1295 subdivideTriangle( midPoints[2], midPoints[1], p3, theSize, thePoints );
1296 subdivideTriangle( p1, midPoints[0], midPoints[2], theSize, thePoints );
1300 double x = (p1.X() + p2.X() + p3.X()) / 3 ;
1301 double y = (p1.Y() + p2.Y() + p3.Y()) / 3 ;
1302 double z = (p1.Z() + p2.Z() + p3.Z()) / 3 ;
1304 Control_Pnt massCenter( x ,y ,z, theSize );
1305 thePoints.push_back( massCenter );
1309 //================================================================================
1311 * \brief Returns the appropriate points for splitting a triangle
1312 * \brief the tangency points of the incircle are used in order to have mostly
1313 * \brief well-shaped sub-triangles
1315 //================================================================================
1316 std::vector<gp_Pnt> HexoticPlugin_Hexotic::computePointsForSplitting( const gp_Pnt& p1,
1320 std::vector<gp_Pnt> midPoints;
1321 //Change coordinates
1322 gp_Trsf Trsf_1; // Identity transformation
1323 gp_Ax3 reference_system(gp::Origin(), gp::DZ(), gp::DX()); // OXY
1326 gp_Vec Vaux(p1, p2);
1329 gp_Dir Dz = Dx.Crossed(Daux);
1330 gp_Ax3 current_system(p1, Dz, Dx);
1332 Trsf_1.SetTransformation( reference_system, current_system );
1334 gp_Pnt A = p1.Transformed(Trsf_1);
1335 gp_Pnt B = p2.Transformed(Trsf_1);
1336 gp_Pnt C = p3.Transformed(Trsf_1);
1338 double a = B.Distance(C) ;
1339 double b = A.Distance(C) ;
1340 double c = B.Distance(A) ;
1342 // Incenter coordinates
1343 // see http://mathworld.wolfram.com/Incenter.html
1344 double Xi = ( b*B.X() + c*C.X() ) / ( a + b + c );
1345 double Yi = ( b*B.Y() ) / ( a + b + c );
1346 gp_Pnt Center(Xi, Yi, 0);
1348 // Calculate the tangency points of the incircle
1349 gp_Pnt T1 = tangencyPoint( A, B, Center);
1350 gp_Pnt T2 = tangencyPoint( B, C, Center);
1351 gp_Pnt T3 = tangencyPoint( C, A, Center);
1353 gp_Pnt p1_2 = T1.Transformed(Trsf_1.Inverted());
1354 gp_Pnt p2_3 = T2.Transformed(Trsf_1.Inverted());
1355 gp_Pnt p3_1 = T3.Transformed(Trsf_1.Inverted());
1357 midPoints.push_back(p1_2);
1358 midPoints.push_back(p2_3);
1359 midPoints.push_back(p3_1);
1364 //================================================================================
1366 * \brief Computes the tangency points of the circle of center Center with
1367 * \brief the straight line (p1 p2)
1369 //================================================================================
1370 gp_Pnt HexoticPlugin_Hexotic::tangencyPoint(const gp_Pnt& p1,
1372 const gp_Pnt& Center)
1377 // The tangency point is the intersection of the straight line (p1 p2)
1378 // and the straight line (Center T) which is orthogonal to (p1 p2)
1379 if ( fabs(p1.X() - p2.X()) <= Precision::Confusion() )
1381 Xt=p1.X(); // T is on (p1 p2)
1382 Yt=Center.Y(); // (Center T) is orthogonal to (p1 p2)
1384 else if ( fabs(p1.Y() - p2.Y()) <= Precision::Confusion() )
1386 Yt=p1.Y(); // T is on (p1 p2)
1387 Xt=Center.X(); // (Center T) is orthogonal to (p1 p2)
1391 // First straight line coefficients (equation y=a*x+b)
1392 double a = (p2.Y() - p1.Y()) / (p2.X() - p1.X()) ;
1393 double b = p1.Y() - a*p1.X(); // p1 is on this straight line
1395 // Second straight line coefficients (equation y=c*x+d)
1396 double c = -1 / a; // The 2 lines are orthogonal
1397 double d = Center.Y() - c*Center.X(); // Center is on this straight line
1399 Xt = (d - b) / (a - c);
1403 return gp_Pnt( Xt, Yt, 0 );
1406 //=============================================================================
1408 * Here we are going to use the Hexotic mesher
1410 //=============================================================================
1412 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh& aMesh,
1413 const TopoDS_Shape& aShape)
1415 _compute_canceled = false;
1417 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1418 TCollection_AsciiString hexahedraMessage;
1420 if (_iShape == 0 && _nbShape == 0) {
1421 _nbShape = countShape( meshDS, TopAbs_SOLID ); // we count the number of shapes
1424 // to prevent from displaying error message after computing,
1425 // SetIsAlwaysComputed( true ) to empty sub-meshes
1426 vector< SMESH_subMesh* > subMeshesAlwaysComp;
1427 for ( int i = 0; i < _nbShape; ++i )
1428 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( aShape ))
1430 SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/true,
1431 /*complexShapeFirst=*/false);
1432 while ( smIt->more() )
1435 if ( !sm->IsMeshComputed() )
1437 sm->SetIsAlwaysComputed( true );
1438 subMeshesAlwaysComp.push_back( sm );
1445 if (_iShape == _nbShape ) {
1447 // create bounding box for each shape of the compound
1450 TopoDS_Shape *tabShape;
1453 tabShape = new TopoDS_Shape[_nbShape];
1454 tabBox = new double*[_nbShape];
1455 for (int i=0; i<_nbShape; i++)
1456 tabBox[i] = new double[6];
1457 double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
1459 TopExp_Explorer expBox (meshDS->ShapeToMesh(), TopAbs_SOLID);
1460 for (; expBox.More(); expBox.Next()) {
1461 tabShape[iShape] = expBox.Current();
1462 Bnd_Box BoundingBox;
1463 BRepBndLib::Add(expBox.Current(), BoundingBox);
1464 BoundingBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
1465 tabBox[iShape][0] = Xmin; tabBox[iShape][1] = Xmax;
1466 tabBox[iShape][2] = Ymin; tabBox[iShape][3] = Ymax;
1467 tabBox[iShape][4] = Zmin; tabBox[iShape][5] = Zmax;
1471 SetParameters(_hypothesis);
1473 // TCollection_AsciiString aTmpDir = getTmpDir();
1474 TCollection_AsciiString aTmpDir = TCollection_AsciiString(_hexoticWorkingDirectory.c_str());
1476 if ( aTmpDir.Value(aTmpDir.Length()) != '\\' ) aTmpDir += '\\';
1478 if ( aTmpDir.Value(aTmpDir.Length()) != '/' ) aTmpDir += '/';
1480 TCollection_AsciiString Hexotic_In(""), Hexotic_Out, Hexotic_SizeMap_Prefix;
1481 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1482 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1484 std::map <int,int> aSmdsToHexoticIdMap;
1485 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1487 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1488 #ifdef WITH_BLSURFPLUGIN
1489 bool defaultInputFile = true;
1490 if (_blsurfHypo && !_blsurfHypo->GetQuadAllowed()) {
1491 Hexotic_In = TCollection_AsciiString(_blsurfHypo->GetGMFFile().c_str());
1492 if (Hexotic_In != "")
1493 defaultInputFile = false;
1495 if (defaultInputFile) {
1497 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1498 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1500 cout << "Creating Hexotic input mesh file : " << Hexotic_In << std::endl;
1501 aMesh.ExportGMF(Hexotic_In.ToCString(), meshDS, true);
1502 #ifdef WITH_BLSURFPLUGIN
1505 removeFile( Hexotic_Out );
1509 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap" + getSuffix();
1510 std::vector<std::string> sizeMapFiles = writeSizeMapFile( Hexotic_SizeMap_Prefix.ToCString() );
1512 std::string run_Hexotic = getHexoticCommand(Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix);
1513 run_Hexotic += std::string(" 1> ") + aLogFileName.ToCString(); // dump into file
1516 cout << "Hexotic command : " << run_Hexotic << std::endl;
1519 modeFile_In += Hexotic_In;
1520 system( modeFile_In.ToCString() );
1522 aSmdsToHexoticIdMap.clear();
1523 aHexoticIdToNodeMap.clear();
1525 MESSAGE("HexoticPlugin_Hexotic::Compute");
1527 int status = system( run_Hexotic.data() );
1533 std::ifstream fileRes( Hexotic_Out.ToCString() );
1534 modeFile_Out += Hexotic_Out;
1535 system( modeFile_Out.ToCString() );
1536 if ( ! fileRes.fail() ) {
1537 Ok = readResult( Hexotic_Out.ToCString(),
1539 meshDS, _nbShape, tabShape, tabBox );
1541 /*********************
1542 // TODO: Detect and remove elements in holes in case of sd mode = 4
1543 // Remove previous nodes and elements
1544 SMDS_ElemIteratorPtr itElement = meshDS->elementsIterator();
1545 SMDS_NodeIteratorPtr itNode = meshDS->nodesIterator();
1547 while ( itElement->more() )
1548 meshDS->RemoveElement( itElement->next() );
1549 while ( itNode->more() )
1550 meshDS->RemoveNode( itNode->next() );
1552 SMESH_ComputeErrorPtr myError = aMesh.GMFToMesh(Hexotic_Out.ToCString());
1555 hexahedraMessage = "success";
1557 removeFile(Hexotic_Out);
1558 removeFile(Hexotic_In);
1559 removeFile(aLogFileName);
1560 for( int i=0; i<sizeMapFiles.size(); i++)
1562 removeFile( TCollection_AsciiString( sizeMapFiles[i].c_str() ) );
1567 hexahedraMessage = "failed";
1571 hexahedraMessage = "failed";
1572 cout << "Problem with Hexotic output file " << Hexotic_Out.ToCString() << std::endl;
1575 SMESH_File logFile( aLogFileName.ToCString() );
1576 if ( !logFile.eof() )
1578 char msgLic[] = " Dlim ";
1579 const char* fileBeg = logFile.getPos(), *fileEnd = fileBeg + logFile.size();
1580 if ( std::search( fileBeg, fileEnd, msgLic, msgLic+strlen(msgLic)) != fileEnd )
1581 error("Licence problems.");
1584 if ( status > 0 && WEXITSTATUS(status) == 127 )
1585 error("hexotic: command not found");
1588 if ( status == 0 && err == ENOENT ) {
1589 error("hexotic: command not found");
1593 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1596 // restore "always computed" flag of sub-meshes (0022127)
1597 for ( size_t iSM = 0; iSM < subMeshesAlwaysComp.size(); ++iSM )
1598 subMeshesAlwaysComp[ iSM ]->SetIsAlwaysComputed( false );
1601 for (int i=0; i<_nbShape; i++)
1602 delete [] tabBox[i];
1607 if(_compute_canceled)
1608 return error(SMESH_Comment("interruption initiated by user"));
1612 //=============================================================================
1614 * \brief Computes mesh without geometry
1615 * \param aMesh - the mesh
1616 * \param aHelper - helper that must be used for adding elements to \aaMesh
1617 * \retval bool - is a success
1619 * The method is called if ( !aMesh->HasShapeToMesh() )
1621 //=============================================================================
1623 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
1625 _compute_canceled = false;
1627 SMESH_ComputeErrorPtr myError = SMESH_ComputeError::New();
1630 TCollection_AsciiString hexahedraMessage;
1632 SetParameters(_hypothesis);
1634 TCollection_AsciiString aTmpDir = getTmpDir();
1635 TCollection_AsciiString Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix;
1636 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1637 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1639 std::map <int,int> aSmdsToHexoticIdMap;
1640 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1642 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1643 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1644 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap";
1647 std::vector<std::string> sizeMapFiles = writeSizeMapFile( Hexotic_SizeMap_Prefix.ToCString() );
1649 std::string run_Hexotic = getHexoticCommand(Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix);
1650 run_Hexotic += std::string(" 1> ") + aLogFileName.ToCString(); // dump into file
1652 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1655 cout << "Creating Hexotic input mesh file : " << Hexotic_In << std::endl;
1656 aMesh.ExportGMF(Hexotic_In.ToCString(), aHelper->GetMeshDS());
1658 modeFile_In += Hexotic_In;
1659 system( modeFile_In.ToCString() );
1661 aSmdsToHexoticIdMap.clear();
1662 aHexoticIdToNodeMap.clear();
1664 MESSAGE("HexoticPlugin_Hexotic::Compute");
1667 cout << "Hexotic command : " << run_Hexotic << std::endl;
1668 system( run_Hexotic.data() );
1674 std::ifstream fileRes( Hexotic_Out.ToCString() );
1675 modeFile_Out += Hexotic_Out;
1676 system( modeFile_Out.ToCString() );
1677 if ( ! fileRes.fail() ) {
1678 Ok = readResult( Hexotic_Out.ToCString(),
1683 // Remove previous nodes and elements
1684 SMDS_ElemIteratorPtr itElement = aHelper->GetMeshDS()->elementsIterator();
1685 SMDS_NodeIteratorPtr itNode = aHelper->GetMeshDS()->nodesIterator();
1687 while ( itElement->more() )
1688 aHelper->GetMeshDS()->RemoveElement( itElement->next() );
1689 while ( itNode->more() )
1690 aHelper->GetMeshDS()->RemoveNode( itNode->next() );
1693 myError = aMesh.GMFToMesh(Hexotic_Out.ToCString());
1695 itElement = aHelper->GetMeshDS()->elementsIterator();
1696 itNode = aHelper->GetMeshDS()->nodesIterator();
1698 // Assign nodes and elements to the pseudo shape
1699 while ( itNode->more() )
1700 aHelper->GetMeshDS()->SetNodeInVolume(itNode->next(), 1);
1701 while ( itElement->more() )
1702 aHelper->GetMeshDS()->SetMeshElementOnShape(itElement->next(), 1);
1706 hexahedraMessage = "success";
1708 hexahedraMessage = "failed";
1712 myError->myName = COMPERR_EXCEPTION;
1714 hexahedraMessage = "failed";
1715 cout << "Problem with Hexotic output file " << Hexotic_Out << std::endl;
1717 SMESH_File logFile( aLogFileName.ToCString() );
1718 if ( !logFile.eof() )
1720 char msgLic[] = " Dlim ";
1721 const char* fileBeg = logFile.getPos(), *fileEnd = fileBeg + logFile.size();
1722 if ( std::search( fileBeg, fileEnd, msgLic, msgLic+strlen(msgLic)) != fileEnd )
1723 return error("Licence problems.");
1725 return error(SMESH_Comment("Problem with Hexotic output file ")<<Hexotic_Out);
1727 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1730 if(_compute_canceled)
1731 return error(SMESH_Comment("interruption initiated by user"));
1732 removeFile(Hexotic_Out);
1733 removeFile(Hexotic_In);
1734 removeFile(aLogFileName);
1735 for( int i=0; i<sizeMapFiles.size(); i++)
1737 removeFile( TCollection_AsciiString(sizeMapFiles[i].c_str()) );
1741 return myError->IsOK();
1745 //=============================================================================
1749 //=============================================================================
1751 bool HexoticPlugin_Hexotic::Evaluate(SMESH_Mesh& aMesh,
1752 const TopoDS_Shape& aShape,
1753 MapShapeNbElems& aResMap)
1755 std::vector<int> aResVec(SMDSEntity_Last);
1756 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1757 SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
1758 aResMap.insert(std::make_pair(sm,aResVec));
1760 SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
1761 smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Evaluation is not implemented",this));
1766 void HexoticPlugin_Hexotic::CancelCompute()
1768 _compute_canceled = true;
1771 TCollection_AsciiString aTmpDir = getTmpDir();
1772 TCollection_AsciiString Hexotic_In = aTmpDir + "Hexotic_In.mesh";
1773 TCollection_AsciiString cmd = TCollection_AsciiString("ps ux | grep ") + Hexotic_In;
1774 cmd += TCollection_AsciiString(" | grep -v grep | awk '{print $2}' | xargs kill -9 > /dev/null 2>&1");
1775 system( cmd.ToCString() );