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;
690 theHelper->GetMesh()->Clear();
692 int nbVertices = getNbShape(theFile, "Vertices");
693 HexoticNode = new SMDS_MeshNode*[ nbVertices + 1 ];
694 nodeAssigne = new int[ nbVertices + 1 ];
696 MESSAGE("Read " << theFile << " file");
697 std::ifstream fileRes(theFile.c_str());
705 if (mapField.count(token)) {
706 nField = mapField[token];
707 nbRef = tabRef[nField];
708 hasDummy = tabDummy[nField];
716 if ( nField < (mapField.size() - 1) && nField >= 0 )
720 case 0: { // "MeshVersionFormatted"
721 MESSAGE(token << " " << nbElem);
724 case 1: { // "Dimension"
725 MESSAGE("Mesh dimension " << nbElem << "D");
728 case 2: { // "Vertices"
729 MESSAGE("Read " << nbElem << " " << token);
732 SMDS_MeshNode * aHexoticNode;
734 for ( int iElem = 0; iElem < nbElem; iElem++ ) {
735 if(theAlgo->computeCanceled())
739 aHexoticID = iElem + 1;
740 for ( int iCoord = 0; iCoord < 3; iCoord++ )
741 fileRes >> coord[ iCoord ];
743 aHexoticNode = theMesh->AddNode(coord[0], coord[1], coord[2]);
744 HexoticNode[ aHexoticID ] = aHexoticNode;
745 nodeAssigne[ aHexoticID ] = 0;
752 case 6: // "Quadrilaterals"
753 case 7: { // "Hexahedra"
754 MESSAGE("Read " << nbElem << " " << token);
755 std::vector< SMDS_MeshNode* > node( nbRef );
756 std::vector< int > nodeID( nbRef );
758 for ( int iElem = 0; iElem < nbElem; iElem++ )
760 if(theAlgo->computeCanceled())
764 for ( int iRef = 0; iRef < nbRef; iRef++ )
766 fileRes >> aHexoticNodeID; // read nbRef aHexoticNodeID
767 node [ iRef ] = HexoticNode[ aHexoticNodeID ];
768 nodeID[ iRef ] = aHexoticNodeID;
775 theHelper->AddEdge( node[0], node[1] ); break;
776 case 6: // "Quadrilaterals"
777 theMesh->AddFace( node[0], node[1], node[2], node[3] ); break;
778 case 7: // "Hexahedra"
779 theHelper->AddVolume( node[0], node[3], node[2], node[1],
780 node[4], node[7], node[6], node[5] ); break;
784 for ( int iRef = 0; iRef < nbRef; iRef++ )
785 nodeAssigne[ nodeID[ iRef ]] = 1;
791 MESSAGE("End of " << theFile << " file");
795 MESSAGE("Unknown Token: " << token);
801 shapeID = theHelper->GetSubShapeID();
802 for ( int i = 0; i < nbVertices; ++i )
803 if ( !nodeAssigne[ i+1 ])
804 theMesh->SetNodeInVolume( HexoticNode[ i+1 ], shapeID );
806 delete [] HexoticNode;
807 delete [] nodeAssigne;
811 //=============================================================================
813 * Pass parameters to Hexotic
815 //=============================================================================
817 void HexoticPlugin_Hexotic::SetParameters(const HexoticPlugin_Hypothesis* hyp) {
819 MESSAGE("HexoticPlugin_Hexotic::SetParameters");
821 _hexesMinLevel = hyp->GetHexesMinLevel();
822 _hexesMaxLevel = hyp->GetHexesMaxLevel();
823 _hexesMinSize = hyp->GetMinSize();
824 _hexesMaxSize = hyp->GetMaxSize();
825 _hexoticIgnoreRidges = hyp->GetHexoticIgnoreRidges();
826 _hexoticInvalidElements = hyp->GetHexoticInvalidElements();
827 _hexoticSharpAngleThreshold = hyp->GetHexoticSharpAngleThreshold();
828 _hexoticNbProc = hyp->GetHexoticNbProc();
829 _hexoticWorkingDirectory = hyp->GetHexoticWorkingDirectory();
830 _hexoticVerbosity = hyp->GetHexoticVerbosity();
831 _hexoticMaxMemory = hyp->GetHexoticMaxMemory();
832 _hexoticSdMode = hyp->GetHexoticSdMode();
833 _sizeMaps = hyp->GetSizeMaps();
837 cout << "WARNING : The Hexotic default parameters are taken into account" << std::endl;
838 cout << "=======" << std::endl;
839 _hexesMinLevel = hyp->GetDefaultHexesMinLevel();
840 _hexesMaxLevel = hyp->GetDefaultHexesMaxLevel();
841 _hexesMinSize = hyp->GetDefaultMinSize();
842 _hexesMaxSize = hyp->GetDefaultMaxSize();
843 _hexoticIgnoreRidges = hyp->GetDefaultHexoticIgnoreRidges();
844 _hexoticInvalidElements = hyp->GetDefaultHexoticInvalidElements();
845 _hexoticSharpAngleThreshold = hyp->GetDefaultHexoticSharpAngleThreshold();
846 _hexoticNbProc = hyp->GetDefaultHexoticNbProc();
847 _hexoticWorkingDirectory = hyp->GetDefaultHexoticWorkingDirectory();
848 _hexoticVerbosity = hyp->GetDefaultHexoticVerbosity();
849 _hexoticMaxMemory = hyp->GetDefaultHexoticMaxMemory();
850 _hexoticSdMode = hyp->GetDefaultHexoticSdMode();
851 _sizeMaps = hyp->GetDefaultHexoticSizeMaps();
855 //=======================================================================
856 //function : getTmpDir
858 //=======================================================================
860 static TCollection_AsciiString getTmpDir()
862 TCollection_AsciiString aTmpDir;
864 char *Tmp_dir = getenv("SALOME_TMP_DIR");
866 if(Tmp_dir == NULL) {
867 Tmp_dir = getenv("TEMP");
869 Tmp_dir = getenv("TMP");
873 if(Tmp_dir != NULL) {
876 if(aTmpDir.Value(aTmpDir.Length()) != '\\') aTmpDir+='\\';
878 if(aTmpDir.Value(aTmpDir.Length()) != '/') aTmpDir+='/';
883 aTmpDir = TCollection_AsciiString("C:\\");
885 aTmpDir = TCollection_AsciiString("/tmp/");
891 //=======================================================================
892 //function : getSuffix
893 //purpose : Returns a suffix that will be unique for the current process
894 //=======================================================================
896 static TCollection_AsciiString getSuffix()
898 TCollection_AsciiString aSuffix = "";
900 aSuffix += getenv("USER");
902 aSuffix += Kernel_Utils::GetHostname().c_str();
907 aSuffix += _getpid();
913 //================================================================================
915 * \brief Returns a command to run Hexotic mesher
917 //================================================================================
919 std::string HexoticPlugin_Hexotic::getHexoticCommand(const TCollection_AsciiString& Hexotic_In,
920 const TCollection_AsciiString& Hexotic_Out,
921 const TCollection_AsciiString& Hexotic_SizeMap_Prefix) const
924 cout << "Hexotic execution..." << std::endl;
925 cout << _name << " parameters :" << std::endl;
926 cout << " " << _name << " Verbosity = " << _hexoticVerbosity << std::endl;
927 cout << " " << _name << " Max Memory = " << _hexoticMaxMemory << std::endl;
928 cout << " " << _name << " Segments Min Level = " << _hexesMinLevel << std::endl;
929 cout << " " << _name << " Segments Max Level = " << _hexesMaxLevel << std::endl;
930 cout << " " << _name << " Segments Min Size = " << _hexesMinSize << std::endl;
931 cout << " " << _name << " Segments Max Size = " << _hexesMaxSize << std::endl;
932 cout << " " << "Hexotic can ignore ridges : " << (_hexoticIgnoreRidges ? "yes":"no") << std::endl;
933 cout << " " << "Hexotic authorize invalide elements : " << ( _hexoticInvalidElements ? "yes":"no") << std::endl;
934 cout << " " << _name << " Sharp angle threshold = " << _hexoticSharpAngleThreshold << " degrees" << std::endl;
935 cout << " " << _name << " Number of threads = " << _hexoticNbProc << std::endl;
936 cout << " " << _name << " Working directory = \"" << _hexoticWorkingDirectory << "\"" << std::endl;
937 cout << " " << _name << " Sub. Dom mode = " << _hexoticSdMode << std::endl;
939 TCollection_AsciiString run_Hexotic( "mg-hexa.exe" );
941 TCollection_AsciiString minl = " --min_level ", maxl = " --max_level ", angle = " --ridge_angle ";
942 TCollection_AsciiString mins = " --min_size ", maxs = " --max_size ";
943 TCollection_AsciiString in = " --in ", out = " --out ";
944 TCollection_AsciiString sizeMap = " --read_sizemap ";
945 TCollection_AsciiString ignoreRidges = " --compute_ridges no ", invalideElements = " --allow_invalid_elements yes ";
946 TCollection_AsciiString subdom = " --components ";
947 TCollection_AsciiString proc = " --max_number_of_threads ";
948 TCollection_AsciiString verb = " --verbose ";
949 TCollection_AsciiString maxmem = " --max_memory ";
951 TCollection_AsciiString minLevel, maxLevel, minSize, maxSize, sharpAngle, mode, nbproc, verbosity, maxMemory;
952 minLevel = _hexesMinLevel;
953 maxLevel = _hexesMaxLevel;
954 minSize = _hexesMinSize;
955 maxSize = _hexesMaxSize;
956 sharpAngle = _hexoticSharpAngleThreshold;
957 // Mode translation for mg-tetra 1.1
958 switch ( _hexoticSdMode )
961 mode = "outside_skin_only";
964 mode = "outside_components";
970 mode = "all --manifold_geometry no";
973 nbproc = _hexoticNbProc;
974 verbosity = _hexoticVerbosity;
975 maxMemory = _hexoticMaxMemory;
977 if (_hexoticIgnoreRidges)
978 run_Hexotic += ignoreRidges;
980 if (_hexoticInvalidElements)
981 run_Hexotic += invalideElements;
983 if (_hexesMinSize > 0)
984 run_Hexotic += mins + minSize;
986 if (_hexesMaxSize > 0)
987 run_Hexotic += maxs + maxSize;
989 if (_hexesMinLevel > 0)
990 run_Hexotic += minl + minLevel;
992 if (_hexesMaxLevel > 0)
993 run_Hexotic += maxl + maxLevel;
995 if (_hexoticSharpAngleThreshold > 0)
996 run_Hexotic += angle + sharpAngle;
998 if (_sizeMaps.begin() != _sizeMaps.end())
999 run_Hexotic += sizeMap + Hexotic_SizeMap_Prefix;
1001 run_Hexotic += in + Hexotic_In + out + Hexotic_Out;
1002 run_Hexotic += subdom + mode;
1003 run_Hexotic += proc + nbproc;
1004 run_Hexotic += verb + verbosity;
1005 run_Hexotic += maxmem + maxMemory;
1007 return run_Hexotic.ToCString();
1010 // TODO : this is a duplication of some code found in BLSURFPlugin_BLSURF find a proper
1012 TopoDS_Shape HexoticPlugin_Hexotic::entryToShape(std::string entry)
1014 MESSAGE("HexoticPlugin_Hexotic::entryToShape "<<entry );
1015 GEOM::GEOM_Object_var aGeomObj;
1016 TopoDS_Shape S = TopoDS_Shape();
1017 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
1018 if (!aSObj->_is_nil()) {
1019 CORBA::Object_var obj = aSObj->GetObject();
1020 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
1021 aSObj->UnRegister();
1023 if ( !aGeomObj->_is_nil() )
1024 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
1028 //================================================================================
1030 * \brief Produces a .mesh file with the size maps informations to give to Hexotic
1032 //================================================================================
1033 std::vector<std::string> HexoticPlugin_Hexotic::writeSizeMapFile( std::string sizeMapPrefix )
1035 HexoticPlugin_Hypothesis::THexoticSizeMaps::iterator it ;
1037 // The GMF driver will be used to write the size map file
1038 DriverGMF_Write aWriter;
1039 aWriter.SetSizeMapPrefix( sizeMapPrefix );
1041 std::vector<Control_Pnt> points;
1042 // Iterate on the size maps
1043 for (it=_sizeMaps.begin(); it!=_sizeMaps.end(); it++)
1045 // Step 1 : Get the GEOM object entry and the size
1046 // from the _sizeMaps infos
1047 std::string anEntry = it->first;
1048 double aLocalSize = it->second;
1049 TopoDS_Shape aShape = entryToShape( anEntry );
1051 // Step 2 : Create the points
1052 createControlPoints( aShape, aLocalSize, points );
1054 // Write the .mesh size map file
1055 aWriter.PerformSizeMap(points);
1056 return aWriter.GetSizeMapFiles();
1059 //================================================================================
1061 * \brief Fills a vector of points from which a size map input file can be written
1063 //================================================================================
1064 void HexoticPlugin_Hexotic::createControlPoints( const TopoDS_Shape& aShape,
1065 const double& theSize,
1066 std::vector<Control_Pnt>& thePoints )
1068 if ( aShape.ShapeType() == TopAbs_VERTEX )
1070 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex(aShape) );
1071 Control_Pnt aControl_Pnt( aPnt, theSize );
1072 thePoints.push_back( aControl_Pnt );
1074 if ( aShape.ShapeType() == TopAbs_EDGE )
1076 createPointsSampleFromEdge( aShape, theSize, thePoints );
1078 else if ( aShape.ShapeType() == TopAbs_WIRE )
1081 for (Ex.Init(aShape,TopAbs_EDGE); Ex.More(); Ex.Next())
1083 createPointsSampleFromEdge( Ex.Current(), theSize, thePoints );
1086 else if ( aShape.ShapeType() == TopAbs_FACE )
1088 createPointsSampleFromFace( aShape, theSize, thePoints );
1090 else if ( aShape.ShapeType() == TopAbs_SOLID )
1092 createPointsSampleFromSolid( aShape, theSize, thePoints );
1094 else if ( aShape.ShapeType() == TopAbs_COMPOUND )
1096 TopoDS_Iterator it( aShape );
1097 for(; it.More(); it.Next())
1099 createControlPoints( it.Value(), theSize, thePoints );
1104 //================================================================================
1106 * \brief Fills a vector of points with point samples approximately
1107 * \brief spaced with a given size
1109 //================================================================================
1110 void HexoticPlugin_Hexotic::createPointsSampleFromEdge( const TopoDS_Shape& aShape,
1111 const double& theSize,
1112 std::vector<Control_Pnt>& thePoints )
1114 double step = theSize;
1116 Handle( Geom_Curve ) aCurve = BRep_Tool::Curve( TopoDS::Edge( aShape ), first, last );
1117 GeomAdaptor_Curve C ( aCurve );
1118 GCPnts_UniformAbscissa DiscretisationAlgo(C, step , first, last, Precision::Confusion());
1119 int nbPoints = DiscretisationAlgo.NbPoints();
1121 for ( int i = 1; i <= nbPoints; i++ )
1123 double param = DiscretisationAlgo.Parameter( i );
1125 aCurve->D0( param, aPnt );
1126 aPnt.SetSize(theSize);
1127 thePoints.push_back( aPnt );
1131 //================================================================================
1133 * \brief Fills a vector of points with point samples approximately
1134 * \brief spaced with a given size
1136 //================================================================================
1137 void HexoticPlugin_Hexotic::createPointsSampleFromFace( const TopoDS_Shape& aShape,
1138 const double& theSize,
1139 std::vector<Control_Pnt>& thePoints )
1141 BRepMesh_IncrementalMesh M(aShape, 0.01, Standard_True);
1142 TopLoc_Location aLocation;
1143 TopoDS_Face aFace = TopoDS::Face(aShape);
1145 // Triangulate the face
1146 Handle(Poly_Triangulation) aTri = BRep_Tool::Triangulation (aFace, aLocation);
1148 // Get the transformation associated to the face location
1149 gp_Trsf aTrsf = aLocation.Transformation();
1152 int nbTriangles = aTri->NbTriangles();
1153 Poly_Array1OfTriangle triangles(1,nbTriangles);
1154 triangles=aTri->Triangles();
1157 int nbNodes = aTri->NbNodes();
1158 TColgp_Array1OfPnt nodes(1,nbNodes);
1159 nodes = aTri->Nodes();
1161 // Iterate on triangles and subdivide them
1162 for(int i=1; i<=nbTriangles; i++)
1164 Poly_Triangle aTriangle = triangles.Value(i);
1165 gp_Pnt p1 = nodes.Value(aTriangle.Value(1));
1166 gp_Pnt p2 = nodes.Value(aTriangle.Value(2));
1167 gp_Pnt p3 = nodes.Value(aTriangle.Value(3));
1169 p1.Transform(aTrsf);
1170 p2.Transform(aTrsf);
1171 p3.Transform(aTrsf);
1173 subdivideTriangle(p1, p2, p3, theSize, thePoints);
1177 //================================================================================
1179 * \brief Fills a vector of points with point samples approximately
1180 * \brief spaced with a given size
1182 //================================================================================
1183 void HexoticPlugin_Hexotic::createPointsSampleFromSolid( const TopoDS_Shape& aShape,
1184 const double& theSize,
1185 std::vector<Control_Pnt>& thePoints )
1187 // Compute the bounding box
1188 double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
1190 BRepBndLib::Add(aShape, B);
1191 B.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
1193 // Create the points
1194 double step = theSize;
1196 for ( double x=Xmin; x-Xmax<Precision::Confusion(); x=x+step )
1198 for ( double y=Ymin; y-Ymax<Precision::Confusion(); y=y+step )
1200 // Step1 : generate the Zmin -> Zmax line
1201 gp_Pnt startPnt(x, y, Zmin);
1202 gp_Pnt endPnt(x, y, Zmax);
1203 gp_Vec aVec(startPnt, endPnt);
1204 gp_Lin aLine(startPnt, aVec);
1205 double endParam = Zmax - Zmin;
1207 // Step2 : for each face of aShape:
1208 std::set<double> intersections;
1209 std::set<double>::iterator it = intersections.begin();
1212 for (Ex.Init(aShape,TopAbs_FACE); Ex.More(); Ex.Next())
1214 // check if there is an intersection
1215 IntCurvesFace_Intersector anIntersector(TopoDS::Face(Ex.Current()), Precision::Confusion());
1216 anIntersector.Perform(aLine, 0, endParam);
1218 // get the intersection's parameter and store it
1219 int nbPoints = anIntersector.NbPnt();
1220 for(int i = 0 ; i < nbPoints ; i++ )
1222 it = intersections.insert( it, anIntersector.WParameter(i+1) );
1225 // Step3 : go through the line chunk by chunk
1226 if ( intersections.begin() != intersections.end() )
1228 std::set<double>::iterator intersectionsIterator=intersections.begin();
1229 double first = *intersectionsIterator;
1230 intersectionsIterator++;
1231 bool innerPoints = true;
1232 for ( ; intersectionsIterator!=intersections.end() ; intersectionsIterator++ )
1234 double second = *intersectionsIterator;
1237 // If the last chunk was outside of the shape or this is the first chunk
1238 // add the points in the range [first, second] to the points vector
1239 double localStep = (second -first) / ceil( (second - first) / step );
1240 for ( double z = Zmin + first; z < Zmin + second; z = z + localStep )
1242 thePoints.push_back(Control_Pnt( x, y, z, theSize ));
1244 thePoints.push_back(Control_Pnt( x, y, Zmin + second, theSize ));
1247 innerPoints = !innerPoints;
1254 //================================================================================
1256 * \brief Subdivides a triangle until it reaches a certain size (recursive function)
1258 //================================================================================
1259 void HexoticPlugin_Hexotic::subdivideTriangle( const gp_Pnt& p1,
1262 const double& theSize,
1263 std::vector<Control_Pnt>& thePoints)
1265 // Size threshold to stop subdividing
1266 // This value ensures that two control points are distant no more than 2*theSize
1269 // The greater distance D of the mass center M to each Edge is 1/3 * Median
1270 // and Median < sqrt(3/4) * a where a is the greater side (by using Apollonius' thorem).
1271 // So D < 1/3 * sqrt(3/4) * a and if a < sqrt(3) * S then D < S/2
1272 // and the distance between two mass centers of two neighbouring triangles
1273 // sharing an edge is < 2 * 1/2 * S = S
1274 // If the traingles share a Vertex and no Edge the distance of the mass centers
1275 // to the Vertices is 2*D < S so the mass centers are distant of less than 2*S
1277 double threshold = sqrt( 3. ) * theSize;
1279 if ( (p1.Distance(p2) > threshold ||
1280 p2.Distance(p3) > threshold ||
1281 p3.Distance(p1) > threshold))
1283 std::vector<gp_Pnt> midPoints = computePointsForSplitting(p1, p2, p3);
1285 subdivideTriangle( midPoints[0], midPoints[1], midPoints[2], theSize, thePoints );
1286 subdivideTriangle( midPoints[0], p2, midPoints[1], theSize, thePoints );
1287 subdivideTriangle( midPoints[2], midPoints[1], p3, theSize, thePoints );
1288 subdivideTriangle( p1, midPoints[0], midPoints[2], theSize, thePoints );
1292 double x = (p1.X() + p2.X() + p3.X()) / 3 ;
1293 double y = (p1.Y() + p2.Y() + p3.Y()) / 3 ;
1294 double z = (p1.Z() + p2.Z() + p3.Z()) / 3 ;
1296 Control_Pnt massCenter( x ,y ,z, theSize );
1297 thePoints.push_back( massCenter );
1301 //================================================================================
1303 * \brief Returns the appropriate points for splitting a triangle
1304 * \brief the tangency points of the incircle are used in order to have mostly
1305 * \brief well-shaped sub-triangles
1307 //================================================================================
1308 std::vector<gp_Pnt> HexoticPlugin_Hexotic::computePointsForSplitting( const gp_Pnt& p1,
1312 std::vector<gp_Pnt> midPoints;
1313 //Change coordinates
1314 gp_Trsf Trsf_1; // Identity transformation
1315 gp_Ax3 reference_system(gp::Origin(), gp::DZ(), gp::DX()); // OXY
1318 gp_Vec Vaux(p1, p2);
1321 gp_Dir Dz = Dx.Crossed(Daux);
1322 gp_Ax3 current_system(p1, Dz, Dx);
1324 Trsf_1.SetTransformation( reference_system, current_system );
1326 gp_Pnt A = p1.Transformed(Trsf_1);
1327 gp_Pnt B = p2.Transformed(Trsf_1);
1328 gp_Pnt C = p3.Transformed(Trsf_1);
1330 double a = B.Distance(C) ;
1331 double b = A.Distance(C) ;
1332 double c = B.Distance(A) ;
1334 // Incenter coordinates
1335 // see http://mathworld.wolfram.com/Incenter.html
1336 double Xi = ( b*B.X() + c*C.X() ) / ( a + b + c );
1337 double Yi = ( b*B.Y() ) / ( a + b + c );
1338 gp_Pnt Center(Xi, Yi, 0);
1340 // Calculate the tangency points of the incircle
1341 gp_Pnt T1 = tangencyPoint( A, B, Center);
1342 gp_Pnt T2 = tangencyPoint( B, C, Center);
1343 gp_Pnt T3 = tangencyPoint( C, A, Center);
1345 gp_Pnt p1_2 = T1.Transformed(Trsf_1.Inverted());
1346 gp_Pnt p2_3 = T2.Transformed(Trsf_1.Inverted());
1347 gp_Pnt p3_1 = T3.Transformed(Trsf_1.Inverted());
1349 midPoints.push_back(p1_2);
1350 midPoints.push_back(p2_3);
1351 midPoints.push_back(p3_1);
1356 //================================================================================
1358 * \brief Computes the tangency points of the circle of center Center with
1359 * \brief the straight line (p1 p2)
1361 //================================================================================
1362 gp_Pnt HexoticPlugin_Hexotic::tangencyPoint(const gp_Pnt& p1,
1364 const gp_Pnt& Center)
1369 // The tangency point is the intersection of the straight line (p1 p2)
1370 // and the straight line (Center T) which is orthogonal to (p1 p2)
1371 if ( fabs(p1.X() - p2.X()) <= Precision::Confusion() )
1373 Xt=p1.X(); // T is on (p1 p2)
1374 Yt=Center.Y(); // (Center T) is orthogonal to (p1 p2)
1376 else if ( fabs(p1.Y() - p2.Y()) <= Precision::Confusion() )
1378 Yt=p1.Y(); // T is on (p1 p2)
1379 Xt=Center.X(); // (Center T) is orthogonal to (p1 p2)
1383 // First straight line coefficients (equation y=a*x+b)
1384 double a = (p2.Y() - p1.Y()) / (p2.X() - p1.X()) ;
1385 double b = p1.Y() - a*p1.X(); // p1 is on this straight line
1387 // Second straight line coefficients (equation y=c*x+d)
1388 double c = -1 / a; // The 2 lines are orthogonal
1389 double d = Center.Y() - c*Center.X(); // Center is on this straight line
1391 Xt = (d - b) / (a - c);
1395 return gp_Pnt( Xt, Yt, 0 );
1398 //=============================================================================
1400 * Here we are going to use the Hexotic mesher
1402 //=============================================================================
1404 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh& aMesh,
1405 const TopoDS_Shape& aShape)
1407 _compute_canceled = false;
1409 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1410 TCollection_AsciiString hexahedraMessage;
1412 if (_iShape == 0 && _nbShape == 0) {
1413 _nbShape = countShape( meshDS, TopAbs_SOLID ); // we count the number of shapes
1416 // to prevent from displaying error message after computing,
1417 // SetIsAlwaysComputed( true ) to empty sub-meshes
1418 vector< SMESH_subMesh* > subMeshesAlwaysComp;
1419 for ( int i = 0; i < _nbShape; ++i )
1420 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( aShape ))
1422 SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/true,
1423 /*complexShapeFirst=*/false);
1424 while ( smIt->more() )
1427 if ( !sm->IsMeshComputed() )
1429 sm->SetIsAlwaysComputed( true );
1430 subMeshesAlwaysComp.push_back( sm );
1437 if (_iShape == _nbShape ) {
1439 // create bounding box for each shape of the compound
1442 TopoDS_Shape *tabShape;
1445 tabShape = new TopoDS_Shape[_nbShape];
1446 tabBox = new double*[_nbShape];
1447 for (int i=0; i<_nbShape; i++)
1448 tabBox[i] = new double[6];
1449 double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
1451 TopExp_Explorer expBox (meshDS->ShapeToMesh(), TopAbs_SOLID);
1452 for (; expBox.More(); expBox.Next()) {
1453 tabShape[iShape] = expBox.Current();
1454 Bnd_Box BoundingBox;
1455 BRepBndLib::Add(expBox.Current(), BoundingBox);
1456 BoundingBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
1457 tabBox[iShape][0] = Xmin; tabBox[iShape][1] = Xmax;
1458 tabBox[iShape][2] = Ymin; tabBox[iShape][3] = Ymax;
1459 tabBox[iShape][4] = Zmin; tabBox[iShape][5] = Zmax;
1463 SetParameters(_hypothesis);
1465 // TCollection_AsciiString aTmpDir = getTmpDir();
1466 TCollection_AsciiString aTmpDir = TCollection_AsciiString(_hexoticWorkingDirectory.c_str());
1468 if ( aTmpDir.Value(aTmpDir.Length()) != '\\' ) aTmpDir += '\\';
1470 if ( aTmpDir.Value(aTmpDir.Length()) != '/' ) aTmpDir += '/';
1472 TCollection_AsciiString Hexotic_In(""), Hexotic_Out, Hexotic_SizeMap_Prefix;
1473 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1474 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1476 std::map <int,int> aSmdsToHexoticIdMap;
1477 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1479 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1480 #ifdef WITH_BLSURFPLUGIN
1481 bool defaultInputFile = true;
1482 if (_blsurfHypo && !_blsurfHypo->GetQuadAllowed()) {
1483 Hexotic_In = TCollection_AsciiString(_blsurfHypo->GetGMFFile().c_str());
1484 if (Hexotic_In != "")
1485 defaultInputFile = false;
1487 if (defaultInputFile) {
1489 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1490 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1492 cout << "Creating Hexotic input mesh file : " << Hexotic_In << std::endl;
1493 aMesh.ExportGMF(Hexotic_In.ToCString(), meshDS, true);
1494 #ifdef WITH_BLSURFPLUGIN
1497 removeFile( Hexotic_Out );
1501 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap" + getSuffix();
1502 std::vector<std::string> sizeMapFiles = writeSizeMapFile( Hexotic_SizeMap_Prefix.ToCString() );
1504 std::string run_Hexotic = getHexoticCommand(Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix);
1505 run_Hexotic += std::string(" 1> ") + aLogFileName.ToCString(); // dump into file
1508 cout << "Hexotic command : " << run_Hexotic << std::endl;
1511 modeFile_In += Hexotic_In;
1512 system( modeFile_In.ToCString() );
1514 aSmdsToHexoticIdMap.clear();
1515 aHexoticIdToNodeMap.clear();
1517 MESSAGE("HexoticPlugin_Hexotic::Compute");
1519 int status = system( run_Hexotic.data() );
1525 std::ifstream fileRes( Hexotic_Out.ToCString() );
1526 modeFile_Out += Hexotic_Out;
1527 system( modeFile_Out.ToCString() );
1528 if ( ! fileRes.fail() ) {
1529 Ok = readResult( Hexotic_Out.ToCString(),
1531 meshDS, _nbShape, tabShape, tabBox );
1533 /*********************
1534 // TODO: Detect and remove elements in holes in case of sd mode = 4
1535 // Remove previous nodes and elements
1536 SMDS_ElemIteratorPtr itElement = meshDS->elementsIterator();
1537 SMDS_NodeIteratorPtr itNode = meshDS->nodesIterator();
1539 while ( itElement->more() )
1540 meshDS->RemoveElement( itElement->next() );
1541 while ( itNode->more() )
1542 meshDS->RemoveNode( itNode->next() );
1544 SMESH_ComputeErrorPtr myError = aMesh.GMFToMesh(Hexotic_Out.ToCString());
1547 hexahedraMessage = "success";
1549 removeFile(Hexotic_Out);
1550 removeFile(Hexotic_In);
1551 removeFile(aLogFileName);
1552 for( int i=0; i<sizeMapFiles.size(); i++)
1554 removeFile( TCollection_AsciiString( sizeMapFiles[i].c_str() ) );
1559 hexahedraMessage = "failed";
1563 hexahedraMessage = "failed";
1564 cout << "Problem with Hexotic output file " << Hexotic_Out.ToCString() << std::endl;
1567 SMESH_File logFile( aLogFileName.ToCString() );
1568 if ( !logFile.eof() )
1570 char msgLic[] = " Dlim ";
1571 const char* fileBeg = logFile.getPos(), *fileEnd = fileBeg + logFile.size();
1572 if ( std::search( fileBeg, fileEnd, msgLic, msgLic+strlen(msgLic)) != fileEnd )
1573 error("Licence problems.");
1576 if ( status > 0 && WEXITSTATUS(status) == 127 )
1577 error("hexotic: command not found");
1580 if ( status == 0 && err == ENOENT ) {
1581 error("hexotic: command not found");
1585 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1588 // restore "always computed" flag of sub-meshes (0022127)
1589 for ( size_t iSM = 0; iSM < subMeshesAlwaysComp.size(); ++iSM )
1590 subMeshesAlwaysComp[ iSM ]->SetIsAlwaysComputed( false );
1593 for (int i=0; i<_nbShape; i++)
1594 delete [] tabBox[i];
1599 if(_compute_canceled)
1600 return error(SMESH_Comment("interruption initiated by user"));
1604 //=============================================================================
1606 * \brief Computes mesh without geometry
1607 * \param aMesh - the mesh
1608 * \param aHelper - helper that must be used for adding elements to \aaMesh
1609 * \retval bool - is a success
1611 * The method is called if ( !aMesh->HasShapeToMesh() )
1613 //=============================================================================
1615 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
1617 _compute_canceled = false;
1619 SMESH_ComputeErrorPtr myError = SMESH_ComputeError::New();
1622 TCollection_AsciiString hexahedraMessage;
1624 SetParameters(_hypothesis);
1626 TCollection_AsciiString aTmpDir = getTmpDir();
1627 TCollection_AsciiString Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix;
1628 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1629 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1631 std::map <int,int> aSmdsToHexoticIdMap;
1632 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1634 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1635 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1636 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap";
1639 std::vector<std::string> sizeMapFiles = writeSizeMapFile( Hexotic_SizeMap_Prefix.ToCString() );
1641 std::string run_Hexotic = getHexoticCommand(Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix);
1642 run_Hexotic += std::string(" 1> ") + aLogFileName.ToCString(); // dump into file
1644 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1647 cout << "Creating Hexotic input mesh file : " << Hexotic_In << std::endl;
1648 aMesh.ExportGMF(Hexotic_In.ToCString(), aHelper->GetMeshDS());
1650 modeFile_In += Hexotic_In;
1651 system( modeFile_In.ToCString() );
1653 aSmdsToHexoticIdMap.clear();
1654 aHexoticIdToNodeMap.clear();
1656 MESSAGE("HexoticPlugin_Hexotic::Compute");
1659 cout << "Hexotic command : " << run_Hexotic << std::endl;
1660 system( run_Hexotic.data() );
1666 std::ifstream fileRes( Hexotic_Out.ToCString() );
1667 modeFile_Out += Hexotic_Out;
1668 system( modeFile_Out.ToCString() );
1669 if ( ! fileRes.fail() ) {
1670 Ok = readResult( Hexotic_Out.ToCString(),
1675 // Remove previous nodes and elements
1676 SMDS_ElemIteratorPtr itElement = aHelper->GetMeshDS()->elementsIterator();
1677 SMDS_NodeIteratorPtr itNode = aHelper->GetMeshDS()->nodesIterator();
1679 while ( itElement->more() )
1680 aHelper->GetMeshDS()->RemoveElement( itElement->next() );
1681 while ( itNode->more() )
1682 aHelper->GetMeshDS()->RemoveNode( itNode->next() );
1685 myError = aMesh.GMFToMesh(Hexotic_Out.ToCString());
1687 itElement = aHelper->GetMeshDS()->elementsIterator();
1688 itNode = aHelper->GetMeshDS()->nodesIterator();
1690 // Assign nodes and elements to the pseudo shape
1691 while ( itNode->more() )
1692 aHelper->GetMeshDS()->SetNodeInVolume(itNode->next(), 1);
1693 while ( itElement->more() )
1694 aHelper->GetMeshDS()->SetMeshElementOnShape(itElement->next(), 1);
1698 hexahedraMessage = "success";
1700 hexahedraMessage = "failed";
1704 myError->myName = COMPERR_EXCEPTION;
1706 hexahedraMessage = "failed";
1707 cout << "Problem with Hexotic output file " << Hexotic_Out << std::endl;
1709 SMESH_File logFile( aLogFileName.ToCString() );
1710 if ( !logFile.eof() )
1712 char msgLic[] = " Dlim ";
1713 const char* fileBeg = logFile.getPos(), *fileEnd = fileBeg + logFile.size();
1714 if ( std::search( fileBeg, fileEnd, msgLic, msgLic+strlen(msgLic)) != fileEnd )
1715 return error("Licence problems.");
1717 return error(SMESH_Comment("Problem with Hexotic output file ")<<Hexotic_Out);
1719 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1722 if(_compute_canceled)
1723 return error(SMESH_Comment("interruption initiated by user"));
1724 removeFile(Hexotic_Out);
1725 removeFile(Hexotic_In);
1726 removeFile(aLogFileName);
1727 for( int i=0; i<sizeMapFiles.size(); i++)
1729 removeFile( TCollection_AsciiString(sizeMapFiles[i].c_str()) );
1733 return myError->IsOK();
1737 //=============================================================================
1741 //=============================================================================
1743 bool HexoticPlugin_Hexotic::Evaluate(SMESH_Mesh& aMesh,
1744 const TopoDS_Shape& aShape,
1745 MapShapeNbElems& aResMap)
1747 std::vector<int> aResVec(SMDSEntity_Last);
1748 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1749 SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
1750 aResMap.insert(std::make_pair(sm,aResVec));
1752 SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
1753 smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Evaluation is not implemented",this));
1758 void HexoticPlugin_Hexotic::CancelCompute()
1760 _compute_canceled = true;
1763 TCollection_AsciiString aTmpDir = getTmpDir();
1764 TCollection_AsciiString Hexotic_In = aTmpDir + "Hexotic_In.mesh";
1765 TCollection_AsciiString cmd = TCollection_AsciiString("ps ux | grep ") + Hexotic_In;
1766 cmd += TCollection_AsciiString(" | grep -v grep | awk '{print $2}' | xargs kill -9 > /dev/null 2>&1");
1767 system( cmd.ToCString() );