1 // Copyright (C) 2007-2016 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, or (at your option) any later version.
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"
27 #include "MG_Hexotic_API.hxx"
29 #include "utilities.h"
42 #include <SMESHDS_GroupBase.hxx>
43 #include <SMESHDS_Mesh.hxx>
44 #include <SMESH_ComputeError.hxx>
45 #include <SMESH_File.hxx>
46 #include <SMESH_Gen.hxx>
47 #include <SMESH_HypoFilter.hxx>
48 #include <SMESH_MesherHelper.hxx>
49 #include <SMESH_subMesh.hxx>
50 #include <SMESH_ControlPnt.hxx>
55 #include <Standard_ProgramError.hxx>
57 #include <BRepBndLib.hxx>
58 #include <BRepClass3d_SolidClassifier.hxx>
59 #include <BRep_Tool.hxx>
60 #include <Bnd_Box.hxx>
61 #include <OSD_File.hxx>
62 #include <Precision.hxx>
63 #include <TopExp_Explorer.hxx>
64 #include <TopTools_MapOfShape.hxx>
66 #include <TopoDS_Vertex.hxx>
69 #include <Basics_Utils.hxx>
70 #include <GEOMImpl_Types.hxx>
71 #include <GEOM_wrap.hxx>
73 #define GMFVERSION GmfDouble
74 #define GMFDIMENSION 3
76 using SMESHUtils::ControlPnt;
78 static void removeFile( const TCollection_AsciiString& fileName )
81 OSD_File( fileName ).Remove();
83 catch ( Standard_ProgramError ) {
84 MESSAGE("Can't remove file: " << fileName.ToCString() << " ; file does not exist or permission denied");
88 //=============================================================================
92 //=============================================================================
94 HexoticPlugin_Hexotic::HexoticPlugin_Hexotic(int hypId, SMESH_Gen* gen)
95 : SMESH_3D_Algo(hypId, gen)
97 MESSAGE("HexoticPlugin_Hexotic::HexoticPlugin_Hexotic");
99 _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID);// 1 bit /shape type
100 _onlyUnaryInput = false;
101 _requireShape = false;
104 _hexoticFilesKept=false;
105 _compatibleHypothesis.push_back( HexoticPlugin_Hypothesis::GetHypType() );
106 #ifdef WITH_BLSURFPLUGIN
109 _computeCanceled = false;
113 //=============================================================================
117 //=============================================================================
119 HexoticPlugin_Hexotic::~HexoticPlugin_Hexotic()
121 MESSAGE("HexoticPlugin_Hexotic::~HexoticPlugin_Hexotic");
125 #ifdef WITH_BLSURFPLUGIN
126 bool HexoticPlugin_Hexotic::CheckBLSURFHypothesis( SMESH_Mesh& aMesh,
127 const TopoDS_Shape& aShape )
129 // MESSAGE("HexoticPlugin_Hexotic::CheckBLSURFHypothesis");
132 std::list<const SMESHDS_Hypothesis*>::const_iterator itl;
133 const SMESHDS_Hypothesis* theHyp;
135 // If a BLSURF hypothesis is applied, get it
136 SMESH_HypoFilter blsurfFilter;
137 blsurfFilter.Init( blsurfFilter.HasName( BLSURFPlugin_Hypothesis::GetHypType(true) ));
138 blsurfFilter.Or ( blsurfFilter.HasName( BLSURFPlugin_Hypothesis::GetHypType(false)));
139 std::list<const SMESHDS_Hypothesis *> appliedHyps;
140 aMesh.GetHypotheses( aShape, blsurfFilter, appliedHyps, false );
142 if ( appliedHyps.size() > 0 ) {
143 itl = appliedHyps.begin();
144 theHyp = (*itl); // use only the first hypothesis
145 std::string hypName = theHyp->GetName();
146 if (hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
147 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
149 _blsurfHypo = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
158 //=============================================================================
162 //=============================================================================
164 bool HexoticPlugin_Hexotic::CheckHypothesis( SMESH_Mesh& aMesh,
165 const TopoDS_Shape& aShape,
166 SMESH_Hypothesis::Hypothesis_Status& aStatus )
168 // MESSAGE("HexoticPlugin_Hexotic::CheckHypothesis");
171 std::list<const SMESHDS_Hypothesis*>::const_iterator itl;
172 const SMESHDS_Hypothesis* theHyp;
174 const std::list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape, false);
175 int nbHyp = hyps.size();
177 aStatus = SMESH_Hypothesis::HYP_OK;
178 return true; // can work with no hypothesis
182 theHyp = (*itl); // use only the first hypothesis
184 std::string hypName = theHyp->GetName();
185 if (hypName == HexoticPlugin_Hypothesis::GetHypType() ) {
186 _hypothesis = static_cast<const HexoticPlugin_Hypothesis*> (theHyp);
188 aStatus = SMESH_Hypothesis::HYP_OK;
191 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
193 #ifdef WITH_BLSURFPLUGIN
194 CheckBLSURFHypothesis(aMesh, aShape);
197 return aStatus == SMESH_Hypothesis::HYP_OK;
200 //=======================================================================
201 //function : findShape
203 //=======================================================================
205 static TopoDS_Shape findShape(SMDS_MeshNode** t_Node,
207 const TopoDS_Shape* t_Shape,
212 int iShape, nbNode = 8;
214 for ( int i=0; i<3; i++ ) {
216 for ( int j=0; j<nbNode; j++ ) {
217 if ( i == 0) pntCoor[i] += t_Node[j]->X();
218 if ( i == 1) pntCoor[i] += t_Node[j]->Y();
219 if ( i == 2) pntCoor[i] += t_Node[j]->Z();
221 pntCoor[i] /= nbNode;
223 gp_Pnt aPnt(pntCoor[0], pntCoor[1], pntCoor[2]);
225 if ( aShape.IsNull() ) aShape = t_Shape[0];
226 BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
227 if ( !(SC.State() == TopAbs_IN) ) {
229 for (iShape = 0; iShape < nShape && aShape.IsNull(); iShape++) {
230 if ( !( pntCoor[0] < t_Box[iShape][0] || t_Box[iShape][1] < pntCoor[0] ||
231 pntCoor[1] < t_Box[iShape][2] || t_Box[iShape][3] < pntCoor[1] ||
232 pntCoor[2] < t_Box[iShape][4] || t_Box[iShape][5] < pntCoor[2]) ) {
233 BRepClass3d_SolidClassifier SC (t_Shape[iShape], aPnt, Precision::Confusion());
234 if (SC.State() == TopAbs_IN)
235 aShape = t_Shape[iShape];
242 //=======================================================================
243 //function : getNbShape
245 //=======================================================================
247 static int getNbShape(MG_Hexotic_API* hexaOutput, int iMesh, GmfKwdCod what, int defaultValue=0)
249 int number = hexaOutput->GmfStatKwd( iMesh, what );
252 // std::string aLine;
253 // std::ifstream file(aFile.c_str());
254 // while ( !file.eof() ) {
255 // getline( file, aLine);
256 // if ( aLine == aString ) {
257 // getline( file, aLine);
258 // std::istringstream stringFlux( aLine );
259 // stringFlux >> number;
260 number = ( number + defaultValue + std::abs(number - defaultValue) ) / 2;
266 number = defaultValue;
272 //=======================================================================
273 //function : countShape
275 //=======================================================================
277 static int countShape( SMESH_Mesh* mesh, TopAbs_ShapeEnum shape )
279 if ( !mesh->HasShapeToMesh() )
281 TopExp_Explorer expShape ( mesh->GetShapeToMesh(), shape );
282 TopTools_MapOfShape mapShape;
284 for ( ; expShape.More(); expShape.Next() ) {
285 if (mapShape.Add(expShape.Current())) {
292 //=======================================================================
293 //function : getShape
295 //=======================================================================
297 template < class Mesh, class Shape, class Tab >
298 void getShape(Mesh* mesh, Shape shape, Tab *t_Shape)
300 TopExp_Explorer expShape ( mesh->ShapeToMesh(), shape );
301 TopTools_MapOfShape mapShape;
302 for ( int i=0; expShape.More(); expShape.Next() ) {
303 if (mapShape.Add(expShape.Current())) {
304 t_Shape[i] = expShape.Current();
311 //=======================================================================
312 //function : printWarning
314 //=======================================================================
316 static void printWarning(const int nbExpected, std::string aString, const int nbFound) {
318 cout << "WARNING : " << nbExpected << " " << aString << " expected, MG-Hexa has found " << nbFound << std::endl;
319 cout << "=======" << std::endl;
324 //=======================================================================
325 //function : removeHexoticFiles
327 //=======================================================================
329 static void removeHexoticFiles(TCollection_AsciiString file_In, TCollection_AsciiString file_Out) {
330 removeFile( file_In );
331 removeFile( file_Out );
334 //=======================================================================
335 //function : splitQuads
336 //purpose : splits all quadrangles into triangles
337 //=======================================================================
339 static void splitQuads(SMESH_Mesh& aMesh)
341 SMESH_MeshEditor spliter( &aMesh );
343 TIDSortedElemSet elems;
344 SMDS_ElemIteratorPtr eIt = aMesh.GetMeshDS()->elementsIterator();
346 elems.insert( elems.end(), eIt->next() );
348 spliter.QuadToTri ( elems, /*the13Diag=*/true);
351 //=======================================================================
352 //function : writeInput
353 //purpose : pass a mesh to input of MG-Hexa
354 //=======================================================================
356 static void writeInput(MG_Hexotic_API* theHexaInput,
358 const SMESHDS_Mesh* theMeshDS)
360 int meshID = theHexaInput->GmfOpenMesh( theFile, GmfWrite, GMFVERSION, GMFDIMENSION);
363 int iN = 0, nbNodes = theMeshDS->NbNodes();
364 theHexaInput->GmfSetKwd( meshID, GmfVertices, nbNodes );
365 std::map< const SMDS_MeshNode*, int, TIDCompare > node2IdMap;
366 SMDS_NodeIteratorPtr nodeIt = theMeshDS->nodesIterator();
368 while ( nodeIt->more() )
370 n.Set( nodeIt->next() );
371 theHexaInput->GmfSetLin( meshID, GmfVertices, n.X(), n.Y(), n.Z(), n._node->getshapeId() );
372 node2IdMap.insert( node2IdMap.end(), std::make_pair( n._node, ++iN ));
376 SMDS_ElemIteratorPtr elemIt = theMeshDS->elementsIterator( SMDSAbs_Edge );
377 if ( elemIt->more() )
379 int nbEdges = theMeshDS->GetMeshInfo().NbElements( SMDSAbs_Edge );
380 theHexaInput->GmfSetKwd(meshID, GmfEdges, nbEdges );
381 for ( int gmfID = 1; elemIt->more(); ++gmfID )
383 const SMDS_MeshElement* edge = elemIt->next();
384 theHexaInput->GmfSetLin(meshID, GmfEdges,
385 node2IdMap[ edge->GetNode( 0 )],
386 node2IdMap[ edge->GetNode( 1 )],
387 edge->getshapeId() );
392 elemIt = theMeshDS->elementGeomIterator( SMDSGeom_TRIANGLE );
393 if ( elemIt->more() )
395 int nbTria = theMeshDS->GetMeshInfo().NbElements( SMDSGeom_TRIANGLE );
396 theHexaInput->GmfSetKwd(meshID, GmfTriangles, nbTria );
397 for ( int gmfID = 1; elemIt->more(); ++gmfID )
399 const SMDS_MeshElement* tria = elemIt->next();
400 theHexaInput->GmfSetLin(meshID, GmfTriangles,
401 node2IdMap[ tria->GetNode( 0 )],
402 node2IdMap[ tria->GetNode( 1 )],
403 node2IdMap[ tria->GetNode( 2 )],
404 tria->getshapeId() );
407 theHexaInput->GmfCloseMesh( meshID );
410 //=======================================================================
411 //function : readResult
412 //purpose : Read GMF file in case of a mesh with geometry
413 //=======================================================================
415 static bool readResult(MG_Hexotic_API* theHexaOutput,
417 HexoticPlugin_Hexotic*theAlgo,
418 SMESH_MesherHelper* theHelper,
419 const int nbShape = 0,
420 const TopoDS_Shape* tabShape = 0,
423 SMESH_Mesh* theMesh = theHelper->GetMesh();
424 SMESHDS_Mesh* theMeshDS = theHelper->GetMeshDS();
426 // ---------------------------------
427 // Read generated elements and nodes
428 // ---------------------------------
431 TopoDS_Vertex aVertex;
433 int shapeID, hexoticShapeID;
434 const int IdShapeRef = 2;
436 double epsilon = Precision::Confusion();
437 std::map <std::string,int> mapField;
438 SMDS_MeshNode** HexoticNode;
439 TopoDS_Shape *tabCorner;
441 const int nbDomains = countShape( theMesh, TopAbs_SHELL );
442 const int holeID = -1;
446 tabID = new int[nbDomains];
448 for (int i=0; i<nbDomains; i++)
450 if ( nbDomains == 1 )
451 tabID[0] = theMeshDS->ShapeToIndex( tabShape[0] );
459 SMDS_ElemIteratorPtr eIt = theMeshDS->elementsIterator();
461 theMeshDS->RemoveFreeElement( eIt->next(), /*sm=*/0 );
462 SMDS_NodeIteratorPtr nIt = theMeshDS->nodesIterator();
463 while ( nIt->more() )
464 theMeshDS->RemoveFreeNode( nIt->next(), /*sm=*/0 );
466 theHelper->SetElementsOnShape( false );
469 int meshID = theHexaOutput->GmfOpenMesh( theFile, GmfRead, &ver, &dim );
471 int nbVertices = getNbShape(theHexaOutput, meshID, GmfVertices );
472 int nbCorners = getNbShape(theHexaOutput, meshID, GmfCorners, countShape( theMesh, TopAbs_VERTEX ));
473 if ( nbVertices == 0 )
476 tabCorner = new TopoDS_Shape[ nbCorners ];
477 HexoticNode = new SMDS_MeshNode*[ nbVertices + 1 ];
480 getShape(theMeshDS, TopAbs_VERTEX, tabCorner);
482 int nbNodes = theHexaOutput->GmfStatKwd( meshID, GmfVertices );
485 theHexaOutput->GmfGotoKwd( meshID, GmfVertices );
487 for ( int aHexoticID = 1; aHexoticID <= nbNodes; ++aHexoticID )
489 if ( theAlgo->computeCanceled() )
491 theHexaOutput->GmfGetLin( meshID, GmfVertices, &x, &y, &z, &shapeID );
492 HexoticNode[ aHexoticID ] = theHelper->AddNode( x,y,z );
497 SMDS_MeshNode* node[8];
498 SMDS_MeshElement * aHexoticElement;
500 nbCorners = theHexaOutput->GmfStatKwd( meshID, GmfCorners );
501 if ( nbCorners > 0 && nbDomains > 0 )
503 theHexaOutput->GmfGotoKwd( meshID, GmfCorners );
504 for ( int iElem = 0; iElem < nbCorners; iElem++ )
506 if ( theAlgo->computeCanceled() )
508 theHexaOutput->GmfGetLin( meshID, GmfCorners, &nodeID[0] );
509 node[0] = HexoticNode[ nodeID[0] ];
510 gp_Pnt HexoticPnt ( node[0]->X(), node[0]->Y(), node[0]->Z() );
511 for ( int i = 0; i < nbCorners; i++ )
513 aVertex = TopoDS::Vertex( tabCorner[i] );
514 gp_Pnt aPnt = BRep_Tool::Pnt( aVertex );
515 if ( aPnt.Distance( HexoticPnt ) < epsilon )
517 theMeshDS->SetNodeOnVertex( node[0], aVertex );
524 int nbEdges = theHexaOutput->GmfStatKwd( meshID, GmfEdges );
527 theHexaOutput->GmfGotoKwd( meshID, GmfEdges );
528 for ( int iElem = 0; iElem < nbEdges; iElem++ )
530 if ( theAlgo->computeCanceled() )
532 theHexaOutput->GmfGetLin( meshID, GmfEdges, &nodeID[0], &nodeID[1], &shapeID );
533 for ( int i = 0; i < 2; ++i )
535 node[i] = HexoticNode[ nodeID[i]];
536 if ( shapeID > 0 && node[i]->getshapeId() < 1 )
537 theMeshDS->SetNodeOnEdge( node[i], shapeID );
539 aHexoticElement = theHelper->AddEdge( node[0], node[1] );
540 if ( shapeID > 0 && aHexoticElement->getshapeId() < 1 )
541 theMeshDS->SetMeshElementOnShape( aHexoticElement, shapeID );
545 int nbQuad = theHexaOutput->GmfStatKwd( meshID, GmfQuadrilaterals );
548 theHexaOutput->GmfGotoKwd( meshID, GmfQuadrilaterals );
549 for ( int iElem = 0; iElem < nbQuad; iElem++ )
551 if ( theAlgo->computeCanceled() )
553 theHexaOutput->GmfGetLin( meshID, GmfQuadrilaterals,
554 &nodeID[0], &nodeID[1], &nodeID[2], &nodeID[3], &shapeID );
555 for ( int i = 0; i < 4; ++i )
557 node[i] = HexoticNode[ nodeID[i]];
558 if ( shapeID > 0 && node[i]->getshapeId() < 1 )
559 theMeshDS->SetNodeOnFace( node[i], shapeID );
561 aHexoticElement = theHelper->AddFace( node[0], node[1], node[2], node[3] );
562 if ( shapeID > 0 && aHexoticElement->getshapeId() < 1 )
563 theMeshDS->SetMeshElementOnShape( aHexoticElement, shapeID );
567 int nbHexa = theHexaOutput->GmfStatKwd( meshID, GmfHexahedra );
570 theHexaOutput->GmfGotoKwd( meshID, GmfHexahedra );
571 for ( int iElem = 0; iElem < nbHexa; iElem++ )
573 if ( theAlgo->computeCanceled() )
575 theHexaOutput->GmfGetLin( meshID, GmfHexahedra,
576 &nodeID[0], &nodeID[1], &nodeID[2], &nodeID[3],
577 &nodeID[4], &nodeID[5], &nodeID[6], &nodeID[7],
579 for ( int i = 0; i < 8; ++i )
581 node[i] = HexoticNode[ nodeID[i]];
583 if ( nbDomains > 1 ) {
584 hexoticShapeID = shapeID - IdShapeRef;
585 if ( tabID[ hexoticShapeID ] == 0 ) {
586 aShape = findShape(node, aShape, tabShape, tabBox, nbShape);
587 shapeID = aShape.IsNull() ? holeID : theMeshDS->ShapeToIndex( aShape );
588 tabID[ hexoticShapeID ] = shapeID;
591 shapeID = tabID[ hexoticShapeID ];
593 if ( iElem == ( nbHexa - 1) ) {
594 int shapeAssociated = 0;
595 for ( int i=0; i<nbDomains; i++ ) {
597 shapeAssociated += 1;
599 if ( shapeAssociated != nbShape )
600 printWarning(nbShape, "domains", shapeAssociated);
607 if ( shapeID != holeID )
609 for ( int i = 0; i < 8; ++i )
611 if ( node[i]->NbInverseElements( SMDSAbs_Face ) == 0 )
612 theMeshDS->SetNodeInVolume( node[i], shapeID );
614 aHexoticElement = theHelper->AddVolume( node[0], node[3], node[2], node[1],
615 node[4], node[7], node[6], node[5]);
616 if ( aHexoticElement->getshapeId() < 1 )
617 theMeshDS->SetMeshElementOnShape( aHexoticElement, shapeID );
623 // remove nodes in holes
626 SMESHDS_SubMesh* subMesh = 0;
627 for ( int i = 1; i <= nbNodes; ++i )
628 if ( HexoticNode[i]->NbInverseElements() == 0 )
630 theMeshDS->RemoveFreeNode( HexoticNode[i], subMesh, /*fromGroups=*/false );
635 delete [] HexoticNode;
639 //=============================================================================
641 * Pass parameters to MG-Hexa
643 //=============================================================================
645 void HexoticPlugin_Hexotic::SetParameters(const HexoticPlugin_Hypothesis* hyp) {
647 MESSAGE("HexoticPlugin_Hexotic::SetParameters");
649 _hexesMinLevel = hyp->GetHexesMinLevel();
650 _hexesMaxLevel = hyp->GetHexesMaxLevel();
651 _hexesMinSize = hyp->GetMinSize();
652 _hexesMaxSize = hyp->GetMaxSize();
653 _hexoticIgnoreRidges = hyp->GetHexoticIgnoreRidges();
654 _hexoticInvalidElements = hyp->GetHexoticInvalidElements();
655 _hexoticSharpAngleThreshold = hyp->GetHexoticSharpAngleThreshold();
656 _hexoticNbProc = hyp->GetHexoticNbProc();
657 _hexoticWorkingDirectory = hyp->GetHexoticWorkingDirectory();
658 _hexoticVerbosity = hyp->GetHexoticVerbosity();
659 _hexoticMaxMemory = hyp->GetHexoticMaxMemory();
660 _hexoticSdMode = hyp->GetHexoticSdMode();
661 _textOptions = hyp->GetAdvancedOption();
662 _sizeMaps = hyp->GetSizeMaps();
663 _nbLayers = hyp->GetNbLayers();
664 _firstLayerSize = hyp->GetFirstLayerSize();
665 _direction = hyp->GetDirection();
666 _growth = hyp->GetGrowth();
667 _facesWithLayers = hyp->GetFacesWithLayers();
668 _imprintedFaces = hyp->GetImprintedFaces();
672 cout << "WARNING : The MG-Hexa default parameters are taken into account" << std::endl;
673 cout << "=======" << std::endl;
674 _hexesMinLevel = hyp->GetDefaultHexesMinLevel();
675 _hexesMaxLevel = hyp->GetDefaultHexesMaxLevel();
676 _hexesMinSize = hyp->GetDefaultMinSize();
677 _hexesMaxSize = hyp->GetDefaultMaxSize();
678 _hexoticIgnoreRidges = hyp->GetDefaultHexoticIgnoreRidges();
679 _hexoticInvalidElements = hyp->GetDefaultHexoticInvalidElements();
680 _hexoticSharpAngleThreshold = hyp->GetDefaultHexoticSharpAngleThreshold();
681 _hexoticNbProc = hyp->GetDefaultHexoticNbProc();
682 _hexoticWorkingDirectory = hyp->GetDefaultHexoticWorkingDirectory();
683 _hexoticVerbosity = hyp->GetDefaultHexoticVerbosity();
684 _hexoticMaxMemory = hyp->GetDefaultHexoticMaxMemory();
685 _hexoticSdMode = hyp->GetDefaultHexoticSdMode();
686 _textOptions = hyp->GetDefaultTextOptions();
687 _sizeMaps = hyp->GetDefaultHexoticSizeMaps();
688 _nbLayers = hyp->GetDefaultNbLayers();
689 _firstLayerSize = hyp->GetDefaultFirstLayerSize();
690 _direction = hyp->GetDefaultDirection();
691 _growth = hyp->GetDefaultGrowth();
692 _facesWithLayers = hyp->GetDefaultFacesWithLayers();
693 _imprintedFaces = hyp->GetDefaultImprintedFaces();
697 //=======================================================================
698 //function : getSuffix
699 //purpose : Returns a suffix that will be unique for the current process
700 //=======================================================================
702 static TCollection_AsciiString getSuffix()
704 TCollection_AsciiString aSuffix = "";
707 aSuffix += getenv("USER");
709 std::string uname = std::string(getenv("USERNAME"));
710 replace(uname.begin(), uname.end(), ' ', '_');
711 aSuffix += uname.c_str();
714 aSuffix += Kernel_Utils::GetHostname().c_str();
719 aSuffix += _getpid();
725 //================================================================================
727 * \brief Returns a command to run MG-Hexa mesher
729 //================================================================================
731 std::string HexoticPlugin_Hexotic::getHexoticCommand(const TCollection_AsciiString& Hexotic_In,
732 const TCollection_AsciiString& Hexotic_Out,
733 const TCollection_AsciiString& Hexotic_SizeMap_Prefix,
734 const bool forExecutable) const
737 cout << "MG-Hexa execution..." << std::endl;
738 cout << _name << " parameters :" << std::endl;
739 cout << " " << _name << " Verbosity = " << _hexoticVerbosity << std::endl;
740 cout << " " << _name << " Max Memory = " << _hexoticMaxMemory << std::endl;
741 cout << " " << _name << " Segments Min Level = " << _hexesMinLevel << std::endl;
742 cout << " " << _name << " Segments Max Level = " << _hexesMaxLevel << std::endl;
743 cout << " " << _name << " Segments Min Size = " << _hexesMinSize << std::endl;
744 cout << " " << _name << " Segments Max Size = " << _hexesMaxSize << std::endl;
745 cout << " " << "MG-Hexa can ignore ridges : " << (_hexoticIgnoreRidges ? "yes":"no") << std::endl;
746 cout << " " << "MG-Hexa authorize invalide elements : " << ( _hexoticInvalidElements ? "yes":"no") << std::endl;
747 cout << " " << _name << " Sharp angle threshold = " << _hexoticSharpAngleThreshold << " degrees" << std::endl;
748 cout << " " << _name << " Number of threads = " << _hexoticNbProc << std::endl;
749 cout << " " << _name << " Working directory = \"" << _hexoticWorkingDirectory << "\"" << std::endl;
750 cout << " " << _name << " Sub. Dom mode = " << _hexoticSdMode << std::endl;
751 cout << " " << _name << " Text options = \"" << _textOptions << "\"" << std::endl;
752 cout << " " << _name << " Number of layers = " << _nbLayers << std::endl;
753 cout << " " << _name << " Size of the first layer = " << _firstLayerSize << std::endl;
754 cout << " " << _name << " Direction of the layers = " << ( _direction ? "Inward" : "Outward" ) << std::endl;
755 cout << " " << _name << " Growth = " << _growth << std::endl;
756 if (!_facesWithLayers.empty()) {
757 cout << " " << _name << " Faces with layers = ";
758 for (size_t i = 0; i < _facesWithLayers.size(); i++)
760 cout << _facesWithLayers.at(i);
761 if ((i + 1) != _facesWithLayers.size())
766 if (!_imprintedFaces.empty()) {
767 cout << " " << _name << " Imprinted faces = ";
768 for (size_t i = 0; i < _imprintedFaces.size(); i++)
770 cout << _imprintedFaces.at(i);
771 if ((i + 1) != _imprintedFaces.size())
777 TCollection_AsciiString run_Hexotic("mg-hexa.exe");
779 TCollection_AsciiString minl = " --min_level ", maxl = " --max_level ", angle = " --ridge_angle ";
780 TCollection_AsciiString mins = " --min_size ", maxs = " --max_size ";
781 TCollection_AsciiString in = " --in ", out = " --out ";
782 TCollection_AsciiString sizeMap = " --read_sizemap ";
783 TCollection_AsciiString ignoreRidges = " --compute_ridges no ", invalideElements = " --allow_invalid_elements yes ";
784 TCollection_AsciiString subdom = " --components ";
786 TCollection_AsciiString proc = " --max_number_of_threads ";
788 TCollection_AsciiString verb = " --verbose ";
789 TCollection_AsciiString maxmem = " --max_memory ";
791 TCollection_AsciiString comNbLayers = " --number_of_boundary_layers ";
792 TCollection_AsciiString comFirstLayerSize = " --height_of_the_first_layer ";
793 TCollection_AsciiString comDirection = " --boundary_layers_subdomain_direction ";
794 TCollection_AsciiString comGrowth = " --boundary_layers_geometric_progression ";
795 TCollection_AsciiString comFacesWithLayers = " --boundary_layers_surface_ids ";
796 TCollection_AsciiString comImptintedFaces = " --imprinted_surface_ids ";
798 TCollection_AsciiString minLevel, maxLevel, minSize, maxSize, sharpAngle, mode, nbproc, verbosity, maxMemory,
799 textOptions, nbLayers, firstLayerSize, direction, growth, facesWithLayers, imprintedFaces;
800 minLevel = _hexesMinLevel;
801 maxLevel = _hexesMaxLevel;
802 minSize = _hexesMinSize;
803 maxSize = _hexesMaxSize;
804 sharpAngle = _hexoticSharpAngleThreshold;
805 // Mode translation for mg-tetra 1.1
806 switch ( _hexoticSdMode )
809 mode = "outside_skin_only";
812 mode = "outside_components";
818 mode = "all --manifold_geometry no";
821 nbproc = _hexoticNbProc;
822 verbosity = _hexoticVerbosity;
823 maxMemory = _hexoticMaxMemory;
824 textOptions = (" " + _textOptions + " ").c_str();
825 nbLayers = _nbLayers;
826 firstLayerSize = _firstLayerSize;
827 direction = _direction ? "1" : "-1";
829 for (size_t i = 0; i < _facesWithLayers.size(); i++)
831 facesWithLayers += _facesWithLayers[i];
832 if ((i + 1) != _facesWithLayers.size())
833 facesWithLayers += ",";
835 for (size_t i = 0; i < _imprintedFaces.size(); i++)
837 imprintedFaces += _imprintedFaces[i];
838 if ((i + 1) != _imprintedFaces.size())
839 imprintedFaces += ",";
842 if (_hexoticIgnoreRidges)
843 run_Hexotic += ignoreRidges;
845 if (_hexoticInvalidElements)
846 run_Hexotic += invalideElements;
848 if (_hexesMinSize > 0)
849 run_Hexotic += mins + minSize;
851 if (_hexesMaxSize > 0)
852 run_Hexotic += maxs + maxSize;
854 if (_hexesMinLevel > 0)
855 run_Hexotic += minl + minLevel;
857 if (_hexesMaxLevel > 0)
858 run_Hexotic += maxl + maxLevel;
860 if (_hexoticSharpAngleThreshold > 0)
861 run_Hexotic += angle + sharpAngle;
863 if (_sizeMaps.begin() != _sizeMaps.end() && forExecutable )
864 run_Hexotic += sizeMap + Hexotic_SizeMap_Prefix;
867 _firstLayerSize > 0 &&
869 !_facesWithLayers.empty())
871 run_Hexotic += comNbLayers + nbLayers;
872 run_Hexotic += comFirstLayerSize + firstLayerSize;
873 run_Hexotic += comDirection + direction;
874 run_Hexotic += comGrowth + growth;
875 run_Hexotic += comFacesWithLayers + facesWithLayers;
876 if (!_imprintedFaces.empty())
877 run_Hexotic += comImptintedFaces + imprintedFaces;
880 run_Hexotic += in + Hexotic_In + out + Hexotic_Out;
881 run_Hexotic += subdom + mode;
883 run_Hexotic += proc + nbproc;
885 run_Hexotic += verb + verbosity;
886 run_Hexotic += maxmem + maxMemory;
888 if (!_textOptions.empty())
889 run_Hexotic += textOptions;
891 return run_Hexotic.ToCString();
894 // TODO : this is a duplication of some code found in BLSURFPlugin_BLSURF find a proper
896 TopoDS_Shape HexoticPlugin_Hexotic::entryToShape(std::string entry)
898 MESSAGE("HexoticPlugin_Hexotic::entryToShape "<<entry );
900 GEOM::GEOM_Object_var aGeomObj;
901 TopoDS_Shape S = TopoDS_Shape();
902 SALOMEDS::SObject_var aSObj = SMESH_Gen_i::getStudyServant()->FindObjectID( entry.c_str() );
903 if (!aSObj->_is_nil()) {
904 CORBA::Object_var obj = aSObj->GetObject();
905 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
908 if ( !aGeomObj->_is_nil() )
909 S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj.in() );
913 //================================================================================
915 * \brief Produces a .mesh file with the size maps informations to give to Hexotic
917 //================================================================================
918 std::vector<std::string> HexoticPlugin_Hexotic::writeSizeMapFile( MG_Hexotic_API* mgInput,
919 std::string sizeMapPrefix )
921 HexoticPlugin_Hypothesis::THexoticSizeMaps::iterator it;
923 std::vector<ControlPnt> points;
924 // Iterate on the size maps
925 for (it=_sizeMaps.begin(); it!=_sizeMaps.end(); it++)
927 // Step 1 : Get the GEOM object entry and the size
928 // from the _sizeMaps infos
929 std::string anEntry = it->first;
930 double aLocalSize = it->second;
931 TopoDS_Shape aShape = entryToShape( anEntry );
933 // Step 2 : Create the points
934 createControlPoints( aShape, aLocalSize, points );
937 // Write the .mesh size map file
939 std::string myVerticesFile = sizeMapPrefix + ".mesh";
940 std::string mySolFile = sizeMapPrefix + ".sol";
944 mgInput->GmfOpenMesh( myVerticesFile.c_str(), GmfWrite, GMFVERSION, GMFDIMENSION );
946 mgInput->GmfOpenMesh( mySolFile.c_str(), GmfWrite, GMFVERSION, GMFDIMENSION );
948 int pointsNumber = points.size();
951 mgInput->GmfSetKwd( verticesFileID, GmfVertices, pointsNumber );
952 // SolAtVertices Keyword
953 int TypTab[] = {GmfSca};
954 mgInput->GmfSetKwd(solFileID, GmfSolAtVertices, pointsNumber, 1, TypTab);
956 // Read the control points information from the vector and write it into the files
958 std::vector<ControlPnt>::const_iterator points_it;
959 for (points_it = points.begin(); points_it != points.end(); points_it++ )
961 mgInput->GmfSetLin( verticesFileID, GmfVertices, points_it->X(), points_it->Y(), points_it->Z(), 0 );
962 ValTab[0] = points_it->Size();
963 mgInput->GmfSetLin( solFileID, GmfSolAtVertices, ValTab);
967 mgInput->GmfCloseMesh( verticesFileID );
968 mgInput->GmfCloseMesh( solFileID );
970 std::vector<std::string> fileNames(2);
971 fileNames[0] = myVerticesFile;
972 fileNames[1] = mySolFile;
977 //=============================================================================
979 * Here we are going to use the MG-Hexa mesher
981 //=============================================================================
983 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh& aMesh,
984 const TopoDS_Shape& aShape)
986 _computeCanceled = false;
988 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
989 TCollection_AsciiString hexahedraMessage;
991 _nbShape = countShape( &aMesh, TopAbs_SOLID ); // we count the number of shapes
994 // create bounding box for each shape of the compound
997 TopoDS_Shape *tabShape;
1000 tabShape = new TopoDS_Shape[_nbShape];
1001 tabBox = new double*[_nbShape];
1002 for (int i=0; i<_nbShape; i++)
1003 tabBox[i] = new double[6];
1004 double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
1006 TopExp_Explorer expBox (meshDS->ShapeToMesh(), TopAbs_SOLID);
1007 for (; expBox.More(); expBox.Next()) {
1008 tabShape[iShape] = expBox.Current();
1009 Bnd_Box BoundingBox;
1010 BRepBndLib::Add(expBox.Current(), BoundingBox);
1011 BoundingBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
1012 tabBox[iShape][0] = Xmin; tabBox[iShape][1] = Xmax;
1013 tabBox[iShape][2] = Ymin; tabBox[iShape][3] = Ymax;
1014 tabBox[iShape][4] = Zmin; tabBox[iShape][5] = Zmax;
1018 SetParameters(_hypothesis);
1020 TCollection_AsciiString aTmpDir = _hexoticWorkingDirectory.c_str();
1021 TCollection_AsciiString aQuote("");
1024 if ( aTmpDir.Value(aTmpDir.Length()) != '\\' ) aTmpDir += '\\';
1026 if ( aTmpDir.Value(aTmpDir.Length()) != '/' ) aTmpDir += '/';
1028 TCollection_AsciiString Hexotic_In(""), Hexotic_Out, Hexotic_SizeMap_Prefix;
1029 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1030 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1032 std::map <int,int> aSmdsToHexoticIdMap;
1033 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1035 MG_Hexotic_API mgHexa( _computeCanceled, _progress );
1037 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1038 #ifdef WITH_BLSURFPLUGIN
1039 bool defaultInputFile = true;
1040 if (_blsurfHypo && !_blsurfHypo->GetQuadAllowed()) {
1041 Hexotic_In = _blsurfHypo->GetGMFFile().c_str();
1042 if ( !Hexotic_In.IsEmpty() &&
1043 SMESH_File( _blsurfHypo->GetGMFFile() ).exists() )
1045 mgHexa.SetUseExecutable();
1046 defaultInputFile = false;
1049 if (defaultInputFile) {
1051 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1052 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1053 splitQuads(aMesh); // quadrangles are no longer acceptable as input
1054 if ( mgHexa.IsExecutable() )
1057 cout << "Creating MG-Hexa input mesh file : " << Hexotic_In << std::endl;
1059 writeInput( &mgHexa, Hexotic_In.ToCString(), meshDS );
1060 #ifdef WITH_BLSURFPLUGIN
1063 removeFile( Hexotic_Out );
1067 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap" + getSuffix();
1068 std::vector<std::string> sizeMapFiles = writeSizeMapFile( &mgHexa, Hexotic_SizeMap_Prefix.ToCString() );
1070 std::string run_Hexotic = getHexoticCommand(aQuote + Hexotic_In + aQuote, aQuote + Hexotic_Out + aQuote, Hexotic_SizeMap_Prefix, mgHexa.IsExecutable() );
1071 run_Hexotic += std::string(" 1> ") + aQuote.ToCString() + aLogFileName.ToCString() + aQuote.ToCString(); // dump into file
1072 mgHexa.SetLogFile( aLogFileName.ToCString() );
1073 cout << "Creating MG-Hexa log file : " << aLogFileName << std::endl;
1076 cout << "MG-Hexa command : " << run_Hexotic << std::endl;
1078 if ( mgHexa.IsExecutable() )
1081 modeFile_In += Hexotic_In;
1082 system( modeFile_In.ToCString() );
1085 aSmdsToHexoticIdMap.clear();
1086 aHexoticIdToNodeMap.clear();
1088 MESSAGE("HexoticPlugin_Hexotic::Compute");
1092 Ok = mgHexa.Compute( run_Hexotic, errStr ); // run
1099 if ( mgHexa.IsExecutable() )
1102 modeFile_Out += Hexotic_Out;
1103 system( modeFile_Out.ToCString() );
1106 SMESH_MesherHelper aHelper( aMesh );
1108 Ok = readResult( &mgHexa, Hexotic_Out.ToCString(),
1110 &aHelper, _nbShape, tabShape, tabBox );
1112 std::string log = mgHexa.GetLog();
1115 hexahedraMessage = "success";
1117 removeFile(Hexotic_Out);
1118 removeFile(Hexotic_In);
1119 //removeFile(aLogFileName);
1120 for( size_t i=0; i<sizeMapFiles.size(); i++)
1122 removeFile( TCollection_AsciiString( sizeMapFiles[i].c_str() ) );
1128 hexahedraMessage = "failed";
1129 if ( mgHexa.IsExecutable() )
1130 cout << "Problem with MG-Hexa output file " << Hexotic_Out.ToCString() << std::endl;
1134 char msgLic[] = " Dlim ";
1135 std::string log = mgHexa.GetLog();
1136 const char* fileBeg = &log[0], *fileEnd = fileBeg + log.size();
1137 if ( std::search( fileBeg, fileEnd, msgLic, msgLic+strlen(msgLic)) != fileEnd )
1138 error("Licence problems.");
1140 if ( !errStr.empty() )
1143 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1147 for (int i=0; i<_nbShape; i++)
1148 delete [] tabBox[i];
1154 if(_computeCanceled)
1155 return error(SMESH_Comment("interruption initiated by user"));
1160 //=============================================================================
1162 * \brief Computes mesh without geometry
1163 * \param aMesh - the mesh
1164 * \param aHelper - helper that must be used for adding elements to \aaMesh
1165 * \retval bool - is a success
1167 * The method is called if ( !aMesh->HasShapeToMesh() )
1169 //=============================================================================
1171 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
1173 _computeCanceled = false;
1175 SMESH_ComputeErrorPtr myError = SMESH_ComputeError::New();
1178 TCollection_AsciiString hexahedraMessage;
1179 TCollection_AsciiString aQuote("");
1183 SetParameters(_hypothesis);
1185 TCollection_AsciiString aTmpDir = _hexoticWorkingDirectory.c_str();//getTmpDir();
1186 TCollection_AsciiString Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix;
1187 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1188 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1190 std::map <int,int> aSmdsToHexoticIdMap;
1191 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1193 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1194 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1195 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap";
1197 MG_Hexotic_API mgHexa( _computeCanceled, _progress );
1199 std::vector<std::string> sizeMapFiles = writeSizeMapFile( &mgHexa, Hexotic_SizeMap_Prefix.ToCString() );
1201 std::string run_Hexotic = getHexoticCommand(aQuote + Hexotic_In + aQuote, aQuote + Hexotic_Out + aQuote, Hexotic_SizeMap_Prefix, mgHexa.IsExecutable());
1202 run_Hexotic += std::string(" 1> ") + aQuote.ToCString() + aLogFileName.ToCString() + aQuote.ToCString(); // dump into file
1203 mgHexa.SetLogFile( aLogFileName.ToCString() );
1204 cout << "Creating MG-Hexa log file : " << aLogFileName << std::endl;
1206 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1208 splitQuads(aMesh); // quadrangles are no longer acceptable as input
1211 cout << "Creating MG-Hexa input mesh file : " << Hexotic_In << std::endl;
1212 writeInput( &mgHexa, Hexotic_In.ToCString(), aHelper->GetMeshDS() );
1213 if ( mgHexa.IsExecutable() )
1216 modeFile_In += Hexotic_In;
1217 system( modeFile_In.ToCString() );
1220 aSmdsToHexoticIdMap.clear();
1221 aHexoticIdToNodeMap.clear();
1223 MESSAGE("HexoticPlugin_Hexotic::Compute");
1226 cout << "MG-Hexa command : " << run_Hexotic << std::endl;
1229 Ok = mgHexa.Compute( run_Hexotic, errStr ); // run
1235 if ( mgHexa.IsExecutable() )
1237 modeFile_Out += Hexotic_Out;
1238 system( modeFile_Out.ToCString() );
1241 Ok = Ok && readResult( &mgHexa, Hexotic_Out.ToCString(), this, aHelper );
1243 std::string log = mgHexa.GetLog();
1246 hexahedraMessage = "success";
1250 hexahedraMessage = "failed";
1251 if ( mgHexa.IsExecutable() )
1252 cout << "Problem with MG-Hexa output file " << Hexotic_Out << std::endl;
1254 if ( log.find( " license " ) != std::string::npos ||
1255 log.find( " Dlim " ) != std::string::npos )
1256 error("License problems.");
1258 if ( !errStr.empty() )
1261 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1264 if(_computeCanceled)
1265 return error(SMESH_Comment("interruption initiated by user"));
1266 removeFile(Hexotic_Out);
1267 removeFile(Hexotic_In);
1269 removeFile(aLogFileName);
1270 for( size_t i=0; i<sizeMapFiles.size(); i++)
1272 removeFile( TCollection_AsciiString(sizeMapFiles[i].c_str()) );
1277 //=============================================================================
1281 //=============================================================================
1283 bool HexoticPlugin_Hexotic::Evaluate(SMESH_Mesh& aMesh,
1284 const TopoDS_Shape& aShape,
1285 MapShapeNbElems& aResMap)
1287 std::vector<int> aResVec(SMDSEntity_Last);
1288 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1289 SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
1290 aResMap.insert(std::make_pair(sm,aResVec));
1292 SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
1293 smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Evaluation is not implemented",this));
1298 void HexoticPlugin_Hexotic::CancelCompute()
1300 _computeCanceled = true;
1303 TCollection_AsciiString aTmpDir = _hexoticWorkingDirectory.c_str(); //getTmpDir();
1304 TCollection_AsciiString Hexotic_In = aTmpDir + "Hexotic_In.mesh";
1305 TCollection_AsciiString cmd = TCollection_AsciiString("ps ux | grep ") + Hexotic_In;
1306 cmd += TCollection_AsciiString(" | grep -v grep | awk '{print $2}' | xargs kill -9 > /dev/null 2>&1");
1307 system( cmd.ToCString() );