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 // retrieve BLSURF hypothesis if no hexotic hypothesis has been set
178 #ifdef WITH_BLSURFPLUGIN
179 CheckBLSURFHypothesis(aMesh, aShape);
181 aStatus = SMESH_Hypothesis::HYP_OK;
182 return true; // can work with no hypothesis
186 theHyp = (*itl); // use only the first hypothesis
188 std::string hypName = theHyp->GetName();
189 if (hypName == HexoticPlugin_Hypothesis::GetHypType() ) {
190 _hypothesis = static_cast<const HexoticPlugin_Hypothesis*> (theHyp);
192 aStatus = SMESH_Hypothesis::HYP_OK;
195 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
197 #ifdef WITH_BLSURFPLUGIN
198 CheckBLSURFHypothesis(aMesh, aShape);
201 return aStatus == SMESH_Hypothesis::HYP_OK;
204 //=======================================================================
205 //function : findShape
207 //=======================================================================
209 static TopoDS_Shape findShape(SMDS_MeshNode** t_Node,
211 const TopoDS_Shape* t_Shape,
216 int iShape, nbNode = 8;
218 for ( int i=0; i<3; i++ ) {
220 for ( int j=0; j<nbNode; j++ ) {
221 if ( i == 0) pntCoor[i] += t_Node[j]->X();
222 if ( i == 1) pntCoor[i] += t_Node[j]->Y();
223 if ( i == 2) pntCoor[i] += t_Node[j]->Z();
225 pntCoor[i] /= nbNode;
227 gp_Pnt aPnt(pntCoor[0], pntCoor[1], pntCoor[2]);
229 if ( aShape.IsNull() ) aShape = t_Shape[0];
230 BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
231 if ( !(SC.State() == TopAbs_IN) ) {
233 for (iShape = 0; iShape < nShape && aShape.IsNull(); iShape++) {
234 if ( !( pntCoor[0] < t_Box[iShape][0] || t_Box[iShape][1] < pntCoor[0] ||
235 pntCoor[1] < t_Box[iShape][2] || t_Box[iShape][3] < pntCoor[1] ||
236 pntCoor[2] < t_Box[iShape][4] || t_Box[iShape][5] < pntCoor[2]) ) {
237 BRepClass3d_SolidClassifier SC (t_Shape[iShape], aPnt, Precision::Confusion());
238 if (SC.State() == TopAbs_IN)
239 aShape = t_Shape[iShape];
246 //=======================================================================
247 //function : getNbShape
249 //=======================================================================
251 static int getNbShape(MG_Hexotic_API* hexaOutput, int iMesh, GmfKwdCod what, int defaultValue=0)
253 int number = hexaOutput->GmfStatKwd( iMesh, what );
256 // std::string aLine;
257 // std::ifstream file(aFile.c_str());
258 // while ( !file.eof() ) {
259 // getline( file, aLine);
260 // if ( aLine == aString ) {
261 // getline( file, aLine);
262 // std::istringstream stringFlux( aLine );
263 // stringFlux >> number;
264 number = ( number + defaultValue + std::abs(number - defaultValue) ) / 2;
270 number = defaultValue;
276 //=======================================================================
277 //function : countShape
279 //=======================================================================
281 static int countShape( SMESH_Mesh* mesh, TopAbs_ShapeEnum shape )
283 if ( !mesh->HasShapeToMesh() )
285 TopExp_Explorer expShape ( mesh->GetShapeToMesh(), shape );
286 TopTools_MapOfShape mapShape;
288 for ( ; expShape.More(); expShape.Next() ) {
289 if (mapShape.Add(expShape.Current())) {
296 //=======================================================================
297 //function : getShape
299 //=======================================================================
301 template < class Mesh, class Shape, class Tab >
302 void getShape(Mesh* mesh, Shape shape, Tab *t_Shape)
304 TopExp_Explorer expShape ( mesh->ShapeToMesh(), shape );
305 TopTools_MapOfShape mapShape;
306 for ( int i=0; expShape.More(); expShape.Next() ) {
307 if (mapShape.Add(expShape.Current())) {
308 t_Shape[i] = expShape.Current();
315 //=======================================================================
316 //function : printWarning
318 //=======================================================================
320 static void printWarning(const int nbExpected, std::string aString, const int nbFound) {
322 cout << "WARNING : " << nbExpected << " " << aString << " expected, MG-Hexa has found " << nbFound << std::endl;
323 cout << "=======" << std::endl;
328 //=======================================================================
329 //function : removeHexoticFiles
331 //=======================================================================
333 static void removeHexoticFiles(TCollection_AsciiString file_In, TCollection_AsciiString file_Out) {
334 removeFile( file_In );
335 removeFile( file_Out );
338 //=======================================================================
339 //function : splitQuads
340 //purpose : splits all quadrangles into triangles
341 //=======================================================================
343 static void splitQuads(SMESH_Mesh& aMesh)
345 SMESH_MeshEditor spliter( &aMesh );
347 TIDSortedElemSet elems;
348 SMDS_ElemIteratorPtr eIt = aMesh.GetMeshDS()->elementsIterator();
350 elems.insert( elems.end(), eIt->next() );
352 spliter.QuadToTri ( elems, /*the13Diag=*/true);
355 //=======================================================================
356 //function : writeInput
357 //purpose : pass a mesh to input of MG-Hexa
358 //=======================================================================
360 static void writeInput(MG_Hexotic_API* theHexaInput,
362 const SMESHDS_Mesh* theMeshDS)
364 int meshID = theHexaInput->GmfOpenMesh( theFile, GmfWrite, GMFVERSION, GMFDIMENSION);
367 int iN = 0, nbNodes = theMeshDS->NbNodes();
368 theHexaInput->GmfSetKwd( meshID, GmfVertices, nbNodes );
369 std::map< const SMDS_MeshNode*, int, TIDCompare > node2IdMap;
370 SMDS_NodeIteratorPtr nodeIt = theMeshDS->nodesIterator();
372 while ( nodeIt->more() )
374 n.Set( nodeIt->next() );
375 theHexaInput->GmfSetLin( meshID, GmfVertices, n.X(), n.Y(), n.Z(), n._node->getshapeId() );
376 node2IdMap.insert( node2IdMap.end(), std::make_pair( n._node, ++iN ));
380 SMDS_ElemIteratorPtr elemIt = theMeshDS->elementsIterator( SMDSAbs_Edge );
381 if ( elemIt->more() )
383 int nbEdges = theMeshDS->GetMeshInfo().NbElements( SMDSAbs_Edge );
384 theHexaInput->GmfSetKwd(meshID, GmfEdges, nbEdges );
385 for ( int gmfID = 1; elemIt->more(); ++gmfID )
387 const SMDS_MeshElement* edge = elemIt->next();
388 theHexaInput->GmfSetLin(meshID, GmfEdges,
389 node2IdMap[ edge->GetNode( 0 )],
390 node2IdMap[ edge->GetNode( 1 )],
391 edge->getshapeId() );
396 elemIt = theMeshDS->elementGeomIterator( SMDSGeom_TRIANGLE );
397 if ( elemIt->more() )
399 int nbTria = theMeshDS->GetMeshInfo().NbElements( SMDSGeom_TRIANGLE );
400 theHexaInput->GmfSetKwd(meshID, GmfTriangles, nbTria );
401 for ( int gmfID = 1; elemIt->more(); ++gmfID )
403 const SMDS_MeshElement* tria = elemIt->next();
404 theHexaInput->GmfSetLin(meshID, GmfTriangles,
405 node2IdMap[ tria->GetNode( 0 )],
406 node2IdMap[ tria->GetNode( 1 )],
407 node2IdMap[ tria->GetNode( 2 )],
408 tria->getshapeId() );
411 theHexaInput->GmfCloseMesh( meshID );
414 //=======================================================================
415 //function : readResult
416 //purpose : Read GMF file in case of a mesh with geometry
417 //=======================================================================
419 static bool readResult(MG_Hexotic_API* theHexaOutput,
421 HexoticPlugin_Hexotic*theAlgo,
422 SMESH_MesherHelper* theHelper,
423 const int nbShape = 0,
424 const TopoDS_Shape* tabShape = 0,
427 SMESH_Mesh* theMesh = theHelper->GetMesh();
428 SMESHDS_Mesh* theMeshDS = theHelper->GetMeshDS();
430 // ---------------------------------
431 // Read generated elements and nodes
432 // ---------------------------------
435 TopoDS_Vertex aVertex;
437 int shapeID, hexoticShapeID;
438 const int IdShapeRef = 2;
440 double epsilon = Precision::Confusion();
441 std::map <std::string,int> mapField;
442 SMDS_MeshNode** HexoticNode;
443 TopoDS_Shape *tabCorner;
445 const int nbDomains = countShape( theMesh, TopAbs_SHELL );
446 const int holeID = -1;
450 tabID = new int[nbDomains];
452 for (int i=0; i<nbDomains; i++)
454 if ( nbDomains == 1 )
455 tabID[0] = theMeshDS->ShapeToIndex( tabShape[0] );
463 SMDS_ElemIteratorPtr eIt = theMeshDS->elementsIterator();
465 theMeshDS->RemoveFreeElement( eIt->next(), /*sm=*/0 );
466 SMDS_NodeIteratorPtr nIt = theMeshDS->nodesIterator();
467 while ( nIt->more() )
468 theMeshDS->RemoveFreeNode( nIt->next(), /*sm=*/0 );
470 theHelper->SetElementsOnShape( false );
473 int meshID = theHexaOutput->GmfOpenMesh( theFile, GmfRead, &ver, &dim );
475 int nbVertices = getNbShape(theHexaOutput, meshID, GmfVertices );
476 int nbCorners = getNbShape(theHexaOutput, meshID, GmfCorners, countShape( theMesh, TopAbs_VERTEX ));
477 if ( nbVertices == 0 )
480 tabCorner = new TopoDS_Shape[ nbCorners ];
481 HexoticNode = new SMDS_MeshNode*[ nbVertices + 1 ];
484 getShape(theMeshDS, TopAbs_VERTEX, tabCorner);
486 int nbNodes = theHexaOutput->GmfStatKwd( meshID, GmfVertices );
489 theHexaOutput->GmfGotoKwd( meshID, GmfVertices );
491 for ( int aHexoticID = 1; aHexoticID <= nbNodes; ++aHexoticID )
493 if ( theAlgo->computeCanceled() )
495 theHexaOutput->GmfGetLin( meshID, GmfVertices, &x, &y, &z, &shapeID );
496 HexoticNode[ aHexoticID ] = theHelper->AddNode( x,y,z );
501 SMDS_MeshNode* node[8];
502 SMDS_MeshElement * aHexoticElement;
504 nbCorners = theHexaOutput->GmfStatKwd( meshID, GmfCorners );
505 if ( nbCorners > 0 && nbDomains > 0 )
507 theHexaOutput->GmfGotoKwd( meshID, GmfCorners );
508 for ( int iElem = 0; iElem < nbCorners; iElem++ )
510 if ( theAlgo->computeCanceled() )
512 theHexaOutput->GmfGetLin( meshID, GmfCorners, &nodeID[0] );
513 node[0] = HexoticNode[ nodeID[0] ];
514 gp_Pnt HexoticPnt ( node[0]->X(), node[0]->Y(), node[0]->Z() );
515 for ( int i = 0; i < nbCorners; i++ )
517 aVertex = TopoDS::Vertex( tabCorner[i] );
518 gp_Pnt aPnt = BRep_Tool::Pnt( aVertex );
519 if ( aPnt.Distance( HexoticPnt ) < epsilon )
521 theMeshDS->SetNodeOnVertex( node[0], aVertex );
528 int nbEdges = theHexaOutput->GmfStatKwd( meshID, GmfEdges );
531 theHexaOutput->GmfGotoKwd( meshID, GmfEdges );
532 for ( int iElem = 0; iElem < nbEdges; iElem++ )
534 if ( theAlgo->computeCanceled() )
536 theHexaOutput->GmfGetLin( meshID, GmfEdges, &nodeID[0], &nodeID[1], &shapeID );
537 for ( int i = 0; i < 2; ++i )
539 node[i] = HexoticNode[ nodeID[i]];
540 if ( shapeID > 0 && node[i]->getshapeId() < 1 )
541 theMeshDS->SetNodeOnEdge( node[i], shapeID );
543 aHexoticElement = theHelper->AddEdge( node[0], node[1] );
544 if ( shapeID > 0 && aHexoticElement->getshapeId() < 1 )
545 theMeshDS->SetMeshElementOnShape( aHexoticElement, shapeID );
549 int nbQuad = theHexaOutput->GmfStatKwd( meshID, GmfQuadrilaterals );
552 theHexaOutput->GmfGotoKwd( meshID, GmfQuadrilaterals );
553 for ( int iElem = 0; iElem < nbQuad; iElem++ )
555 if ( theAlgo->computeCanceled() )
557 theHexaOutput->GmfGetLin( meshID, GmfQuadrilaterals,
558 &nodeID[0], &nodeID[1], &nodeID[2], &nodeID[3], &shapeID );
559 for ( int i = 0; i < 4; ++i )
561 node[i] = HexoticNode[ nodeID[i]];
562 if ( shapeID > 0 && node[i]->getshapeId() < 1 )
563 theMeshDS->SetNodeOnFace( node[i], shapeID );
565 aHexoticElement = theHelper->AddFace( node[0], node[1], node[2], node[3] );
566 if ( shapeID > 0 && aHexoticElement->getshapeId() < 1 )
567 theMeshDS->SetMeshElementOnShape( aHexoticElement, shapeID );
571 int nbHexa = theHexaOutput->GmfStatKwd( meshID, GmfHexahedra );
574 theHexaOutput->GmfGotoKwd( meshID, GmfHexahedra );
575 for ( int iElem = 0; iElem < nbHexa; iElem++ )
577 if ( theAlgo->computeCanceled() )
579 theHexaOutput->GmfGetLin( meshID, GmfHexahedra,
580 &nodeID[0], &nodeID[1], &nodeID[2], &nodeID[3],
581 &nodeID[4], &nodeID[5], &nodeID[6], &nodeID[7],
583 for ( int i = 0; i < 8; ++i )
585 node[i] = HexoticNode[ nodeID[i]];
587 if ( nbDomains > 1 ) {
588 hexoticShapeID = shapeID - IdShapeRef;
589 if ( tabID[ hexoticShapeID ] == 0 ) {
590 aShape = findShape(node, aShape, tabShape, tabBox, nbShape);
591 shapeID = aShape.IsNull() ? holeID : theMeshDS->ShapeToIndex( aShape );
592 tabID[ hexoticShapeID ] = shapeID;
595 shapeID = tabID[ hexoticShapeID ];
597 if ( iElem == ( nbHexa - 1) ) {
598 int shapeAssociated = 0;
599 for ( int i=0; i<nbDomains; i++ ) {
601 shapeAssociated += 1;
603 if ( shapeAssociated != nbShape )
604 printWarning(nbShape, "domains", shapeAssociated);
611 if ( shapeID != holeID )
613 for ( int i = 0; i < 8; ++i )
615 if ( node[i]->NbInverseElements( SMDSAbs_Face ) == 0 )
616 theMeshDS->SetNodeInVolume( node[i], shapeID );
618 aHexoticElement = theHelper->AddVolume( node[0], node[3], node[2], node[1],
619 node[4], node[7], node[6], node[5]);
620 if ( aHexoticElement->getshapeId() < 1 )
621 theMeshDS->SetMeshElementOnShape( aHexoticElement, shapeID );
627 // remove nodes in holes
630 SMESHDS_SubMesh* subMesh = 0;
631 for ( int i = 1; i <= nbNodes; ++i )
632 if ( HexoticNode[i]->NbInverseElements() == 0 )
634 theMeshDS->RemoveFreeNode( HexoticNode[i], subMesh, /*fromGroups=*/false );
639 delete [] HexoticNode;
643 //=============================================================================
645 * Pass parameters to MG-Hexa
647 //=============================================================================
649 void HexoticPlugin_Hexotic::SetParameters(const HexoticPlugin_Hypothesis* hyp) {
651 MESSAGE("HexoticPlugin_Hexotic::SetParameters");
653 _hexesMinLevel = hyp->GetHexesMinLevel();
654 _hexesMaxLevel = hyp->GetHexesMaxLevel();
655 _hexesMinSize = hyp->GetMinSize();
656 _hexesMaxSize = hyp->GetMaxSize();
657 _hexoticIgnoreRidges = hyp->GetHexoticIgnoreRidges();
658 _hexoticInvalidElements = hyp->GetHexoticInvalidElements();
659 _hexoticSharpAngleThreshold = hyp->GetHexoticSharpAngleThreshold();
660 _hexoticNbProc = hyp->GetHexoticNbProc();
661 _hexoticWorkingDirectory = hyp->GetHexoticWorkingDirectory();
662 _hexoticVerbosity = hyp->GetHexoticVerbosity();
663 _hexoticMaxMemory = hyp->GetHexoticMaxMemory();
664 _hexoticSdMode = hyp->GetHexoticSdMode();
665 _textOptions = hyp->GetAdvancedOption();
666 _sizeMaps = hyp->GetSizeMaps();
667 _nbLayers = hyp->GetNbLayers();
668 _firstLayerSize = hyp->GetFirstLayerSize();
669 _direction = hyp->GetDirection();
670 _growth = hyp->GetGrowth();
671 _facesWithLayers = hyp->GetFacesWithLayers();
672 _imprintedFaces = hyp->GetImprintedFaces();
676 cout << "WARNING : The MG-Hexa default parameters are taken into account" << std::endl;
677 cout << "=======" << std::endl;
678 _hexesMinLevel = hyp->GetDefaultHexesMinLevel();
679 _hexesMaxLevel = hyp->GetDefaultHexesMaxLevel();
680 _hexesMinSize = hyp->GetDefaultMinSize();
681 _hexesMaxSize = hyp->GetDefaultMaxSize();
682 _hexoticIgnoreRidges = hyp->GetDefaultHexoticIgnoreRidges();
683 _hexoticInvalidElements = hyp->GetDefaultHexoticInvalidElements();
684 _hexoticSharpAngleThreshold = hyp->GetDefaultHexoticSharpAngleThreshold();
685 _hexoticNbProc = hyp->GetDefaultHexoticNbProc();
686 _hexoticWorkingDirectory = hyp->GetDefaultHexoticWorkingDirectory();
687 _hexoticVerbosity = hyp->GetDefaultHexoticVerbosity();
688 _hexoticMaxMemory = hyp->GetDefaultHexoticMaxMemory();
689 _hexoticSdMode = hyp->GetDefaultHexoticSdMode();
690 _textOptions = hyp->GetDefaultTextOptions();
691 _sizeMaps = hyp->GetDefaultHexoticSizeMaps();
692 _nbLayers = hyp->GetDefaultNbLayers();
693 _firstLayerSize = hyp->GetDefaultFirstLayerSize();
694 _direction = hyp->GetDefaultDirection();
695 _growth = hyp->GetDefaultGrowth();
696 _facesWithLayers = hyp->GetDefaultFacesWithLayers();
697 _imprintedFaces = hyp->GetDefaultImprintedFaces();
701 //=======================================================================
702 //function : getSuffix
703 //purpose : Returns a suffix that will be unique for the current process
704 //=======================================================================
706 static TCollection_AsciiString getSuffix()
708 TCollection_AsciiString aSuffix = "";
711 aSuffix += getenv("USER");
713 std::string uname = std::string(getenv("USERNAME"));
714 replace(uname.begin(), uname.end(), ' ', '_');
715 aSuffix += uname.c_str();
718 aSuffix += Kernel_Utils::GetHostname().c_str();
723 aSuffix += _getpid();
729 //================================================================================
731 * \brief Returns a command to run MG-Hexa mesher
733 //================================================================================
735 std::string HexoticPlugin_Hexotic::getHexoticCommand(const TCollection_AsciiString& Hexotic_In,
736 const TCollection_AsciiString& Hexotic_Out,
737 const TCollection_AsciiString& Hexotic_SizeMap_Prefix,
738 const bool forExecutable) const
741 cout << "MG-Hexa execution..." << std::endl;
742 cout << _name << " parameters :" << std::endl;
743 cout << " " << _name << " Verbosity = " << _hexoticVerbosity << std::endl;
744 cout << " " << _name << " Max Memory = " << _hexoticMaxMemory << std::endl;
745 cout << " " << _name << " Segments Min Level = " << _hexesMinLevel << std::endl;
746 cout << " " << _name << " Segments Max Level = " << _hexesMaxLevel << std::endl;
747 cout << " " << _name << " Segments Min Size = " << _hexesMinSize << std::endl;
748 cout << " " << _name << " Segments Max Size = " << _hexesMaxSize << std::endl;
749 cout << " " << "MG-Hexa can ignore ridges : " << (_hexoticIgnoreRidges ? "yes":"no") << std::endl;
750 cout << " " << "MG-Hexa authorize invalide elements : " << ( _hexoticInvalidElements ? "yes":"no") << std::endl;
751 cout << " " << _name << " Sharp angle threshold = " << _hexoticSharpAngleThreshold << " degrees" << std::endl;
752 cout << " " << _name << " Number of threads = " << _hexoticNbProc << std::endl;
753 cout << " " << _name << " Working directory = \"" << _hexoticWorkingDirectory << "\"" << std::endl;
754 cout << " " << _name << " Sub. Dom mode = " << _hexoticSdMode << std::endl;
755 cout << " " << _name << " Text options = \"" << _textOptions << "\"" << std::endl;
756 cout << " " << _name << " Number of layers = " << _nbLayers << std::endl;
757 cout << " " << _name << " Size of the first layer = " << _firstLayerSize << std::endl;
758 cout << " " << _name << " Direction of the layers = " << ( _direction ? "Inward" : "Outward" ) << std::endl;
759 cout << " " << _name << " Growth = " << _growth << std::endl;
760 if (!_facesWithLayers.empty()) {
761 cout << " " << _name << " Faces with layers = ";
762 for (size_t i = 0; i < _facesWithLayers.size(); i++)
764 cout << _facesWithLayers.at(i);
765 if ((i + 1) != _facesWithLayers.size())
770 if (!_imprintedFaces.empty()) {
771 cout << " " << _name << " Imprinted faces = ";
772 for (size_t i = 0; i < _imprintedFaces.size(); i++)
774 cout << _imprintedFaces.at(i);
775 if ((i + 1) != _imprintedFaces.size())
781 TCollection_AsciiString run_Hexotic("mg-hexa.exe");
783 TCollection_AsciiString minl = " --min_level ", maxl = " --max_level ", angle = " --ridge_angle ";
784 TCollection_AsciiString mins = " --min_size ", maxs = " --max_size ";
785 TCollection_AsciiString in = " --in ", out = " --out ";
786 TCollection_AsciiString sizeMap = " --read_sizemap ";
787 TCollection_AsciiString ignoreRidges = " --compute_ridges no ", invalideElements = " --allow_invalid_elements yes ";
788 TCollection_AsciiString subdom = " --components ";
790 TCollection_AsciiString proc = " --max_number_of_threads ";
792 TCollection_AsciiString verb = " --verbose ";
793 TCollection_AsciiString maxmem = " --max_memory ";
795 TCollection_AsciiString comNbLayers = " --number_of_boundary_layers ";
796 TCollection_AsciiString comFirstLayerSize = " --height_of_the_first_layer ";
797 TCollection_AsciiString comDirection = " --boundary_layers_subdomain_direction ";
798 TCollection_AsciiString comGrowth = " --boundary_layers_geometric_progression ";
799 TCollection_AsciiString comFacesWithLayers = " --boundary_layers_surface_ids ";
800 TCollection_AsciiString comImptintedFaces = " --imprinted_surface_ids ";
802 TCollection_AsciiString minLevel, maxLevel, minSize, maxSize, sharpAngle, mode, nbproc, verbosity, maxMemory,
803 textOptions, nbLayers, firstLayerSize, direction, growth, facesWithLayers, imprintedFaces;
804 minLevel = _hexesMinLevel;
805 maxLevel = _hexesMaxLevel;
806 minSize = _hexesMinSize;
807 maxSize = _hexesMaxSize;
808 sharpAngle = _hexoticSharpAngleThreshold;
809 // Mode translation for mg-tetra 1.1
810 switch ( _hexoticSdMode )
813 mode = "outside_skin_only";
816 mode = "outside_components";
822 mode = "all --manifold_geometry no";
825 nbproc = _hexoticNbProc;
826 verbosity = _hexoticVerbosity;
827 maxMemory = _hexoticMaxMemory;
828 textOptions = (" " + _textOptions + " ").c_str();
829 nbLayers = _nbLayers;
830 firstLayerSize = _firstLayerSize;
831 direction = _direction ? "1" : "-1";
833 for (size_t i = 0; i < _facesWithLayers.size(); i++)
835 facesWithLayers += _facesWithLayers[i];
836 if ((i + 1) != _facesWithLayers.size())
837 facesWithLayers += ",";
839 for (size_t i = 0; i < _imprintedFaces.size(); i++)
841 imprintedFaces += _imprintedFaces[i];
842 if ((i + 1) != _imprintedFaces.size())
843 imprintedFaces += ",";
846 if (_hexoticIgnoreRidges)
847 run_Hexotic += ignoreRidges;
849 if (_hexoticInvalidElements)
850 run_Hexotic += invalideElements;
852 if (_hexesMinSize > 0)
853 run_Hexotic += mins + minSize;
855 if (_hexesMaxSize > 0)
856 run_Hexotic += maxs + maxSize;
858 if (_hexesMinLevel > 0)
859 run_Hexotic += minl + minLevel;
861 if (_hexesMaxLevel > 0)
862 run_Hexotic += maxl + maxLevel;
864 if (_hexoticSharpAngleThreshold > 0)
865 run_Hexotic += angle + sharpAngle;
867 if (_sizeMaps.begin() != _sizeMaps.end() && forExecutable )
868 run_Hexotic += sizeMap + Hexotic_SizeMap_Prefix;
871 _firstLayerSize > 0 &&
873 !_facesWithLayers.empty())
875 run_Hexotic += comNbLayers + nbLayers;
876 run_Hexotic += comFirstLayerSize + firstLayerSize;
877 run_Hexotic += comDirection + direction;
878 run_Hexotic += comGrowth + growth;
879 run_Hexotic += comFacesWithLayers + facesWithLayers;
880 if (!_imprintedFaces.empty())
881 run_Hexotic += comImptintedFaces + imprintedFaces;
884 run_Hexotic += in + Hexotic_In + out + Hexotic_Out;
885 run_Hexotic += subdom + mode;
887 run_Hexotic += proc + nbproc;
889 run_Hexotic += verb + verbosity;
890 run_Hexotic += maxmem + maxMemory;
892 if (!_textOptions.empty())
893 run_Hexotic += textOptions;
895 return run_Hexotic.ToCString();
898 // TODO : this is a duplication of some code found in BLSURFPlugin_BLSURF find a proper
900 TopoDS_Shape HexoticPlugin_Hexotic::entryToShape(std::string entry)
902 MESSAGE("HexoticPlugin_Hexotic::entryToShape "<<entry );
904 GEOM::GEOM_Object_var aGeomObj;
905 TopoDS_Shape S = TopoDS_Shape();
906 SALOMEDS::SObject_var aSObj = SMESH_Gen_i::getStudyServant()->FindObjectID( entry.c_str() );
907 if (!aSObj->_is_nil()) {
908 CORBA::Object_var obj = aSObj->GetObject();
909 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
912 if ( !aGeomObj->_is_nil() )
913 S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj.in() );
917 //================================================================================
919 * \brief Produces a .mesh file with the size maps informations to give to Hexotic
921 //================================================================================
922 std::vector<std::string> HexoticPlugin_Hexotic::writeSizeMapFile( MG_Hexotic_API* mgInput,
923 std::string sizeMapPrefix )
925 HexoticPlugin_Hypothesis::THexoticSizeMaps::iterator it;
927 std::vector<ControlPnt> points;
928 // Iterate on the size maps
929 for (it=_sizeMaps.begin(); it!=_sizeMaps.end(); it++)
931 // Step 1 : Get the GEOM object entry and the size
932 // from the _sizeMaps infos
933 std::string anEntry = it->first;
934 double aLocalSize = it->second;
935 TopoDS_Shape aShape = entryToShape( anEntry );
937 // Step 2 : Create the points
938 createControlPoints( aShape, aLocalSize, points );
941 // Write the .mesh size map file
943 std::string myVerticesFile = sizeMapPrefix + ".mesh";
944 std::string mySolFile = sizeMapPrefix + ".sol";
948 mgInput->GmfOpenMesh( myVerticesFile.c_str(), GmfWrite, GMFVERSION, GMFDIMENSION );
950 mgInput->GmfOpenMesh( mySolFile.c_str(), GmfWrite, GMFVERSION, GMFDIMENSION );
952 int pointsNumber = points.size();
955 mgInput->GmfSetKwd( verticesFileID, GmfVertices, pointsNumber );
956 // SolAtVertices Keyword
957 int TypTab[] = {GmfSca};
958 mgInput->GmfSetKwd(solFileID, GmfSolAtVertices, pointsNumber, 1, TypTab);
960 // Read the control points information from the vector and write it into the files
962 std::vector<ControlPnt>::const_iterator points_it;
963 for (points_it = points.begin(); points_it != points.end(); points_it++ )
965 mgInput->GmfSetLin( verticesFileID, GmfVertices, points_it->X(), points_it->Y(), points_it->Z(), 0 );
966 ValTab[0] = points_it->Size();
967 mgInput->GmfSetLin( solFileID, GmfSolAtVertices, ValTab);
971 mgInput->GmfCloseMesh( verticesFileID );
972 mgInput->GmfCloseMesh( solFileID );
974 std::vector<std::string> fileNames(2);
975 fileNames[0] = myVerticesFile;
976 fileNames[1] = mySolFile;
981 //=============================================================================
983 * Here we are going to use the MG-Hexa mesher
985 //=============================================================================
987 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh& aMesh,
988 const TopoDS_Shape& aShape)
990 _computeCanceled = false;
992 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
993 TCollection_AsciiString hexahedraMessage;
995 _nbShape = countShape( &aMesh, TopAbs_SOLID ); // we count the number of shapes
998 // create bounding box for each shape of the compound
1001 TopoDS_Shape *tabShape;
1004 tabShape = new TopoDS_Shape[_nbShape];
1005 tabBox = new double*[_nbShape];
1006 for (int i=0; i<_nbShape; i++)
1007 tabBox[i] = new double[6];
1008 double Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
1010 TopExp_Explorer expBox (meshDS->ShapeToMesh(), TopAbs_SOLID);
1011 for (; expBox.More(); expBox.Next()) {
1012 tabShape[iShape] = expBox.Current();
1013 Bnd_Box BoundingBox;
1014 BRepBndLib::Add(expBox.Current(), BoundingBox);
1015 BoundingBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
1016 tabBox[iShape][0] = Xmin; tabBox[iShape][1] = Xmax;
1017 tabBox[iShape][2] = Ymin; tabBox[iShape][3] = Ymax;
1018 tabBox[iShape][4] = Zmin; tabBox[iShape][5] = Zmax;
1022 SetParameters(_hypothesis);
1024 TCollection_AsciiString aTmpDir = _hexoticWorkingDirectory.c_str();
1025 TCollection_AsciiString aQuote("");
1028 if ( aTmpDir.Value(aTmpDir.Length()) != '\\' ) aTmpDir += '\\';
1030 if ( aTmpDir.Value(aTmpDir.Length()) != '/' ) aTmpDir += '/';
1032 TCollection_AsciiString Hexotic_In(""), Hexotic_Out, Hexotic_SizeMap_Prefix;
1033 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1034 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1036 std::map <int,int> aSmdsToHexoticIdMap;
1037 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1039 MG_Hexotic_API mgHexa( _computeCanceled, _progress );
1041 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1042 #ifdef WITH_BLSURFPLUGIN
1043 bool defaultInputFile = true;
1044 if (_blsurfHypo && _blsurfHypo->GetElementType() == BLSURFPlugin_Hypothesis::Triangles ) {
1045 Hexotic_In = _blsurfHypo->GetGMFFile().c_str();
1046 if ( !Hexotic_In.IsEmpty() &&
1047 SMESH_File( _blsurfHypo->GetGMFFile() ).exists() )
1049 MESSAGE("Use output file from blsurf as input file from hexotic: " << Hexotic_In);
1050 mgHexa.SetUseExecutable();
1051 defaultInputFile = false;
1054 if (defaultInputFile) {
1056 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1057 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1058 splitQuads(aMesh); // quadrangles are no longer acceptable as input
1059 if ( mgHexa.IsExecutable() )
1062 cout << "Creating MG-Hexa input mesh file : " << Hexotic_In << std::endl;
1064 writeInput( &mgHexa, Hexotic_In.ToCString(), meshDS );
1065 #ifdef WITH_BLSURFPLUGIN
1068 removeFile( Hexotic_Out );
1072 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap" + getSuffix();
1073 std::vector<std::string> sizeMapFiles = writeSizeMapFile( &mgHexa, Hexotic_SizeMap_Prefix.ToCString() );
1075 std::string run_Hexotic = getHexoticCommand(aQuote + Hexotic_In + aQuote, aQuote + Hexotic_Out + aQuote, Hexotic_SizeMap_Prefix, mgHexa.IsExecutable() );
1076 run_Hexotic += std::string(" 1> ") + aQuote.ToCString() + aLogFileName.ToCString() + aQuote.ToCString(); // dump into file
1077 mgHexa.SetLogFile( aLogFileName.ToCString() );
1078 cout << "Creating MG-Hexa log file : " << aLogFileName << std::endl;
1081 cout << "MG-Hexa command : " << run_Hexotic << std::endl;
1083 if ( mgHexa.IsExecutable() )
1086 modeFile_In += Hexotic_In;
1087 system( modeFile_In.ToCString() );
1090 aSmdsToHexoticIdMap.clear();
1091 aHexoticIdToNodeMap.clear();
1093 MESSAGE("HexoticPlugin_Hexotic::Compute");
1097 Ok = mgHexa.Compute( run_Hexotic, errStr ); // run
1104 if ( mgHexa.IsExecutable() )
1107 modeFile_Out += Hexotic_Out;
1108 system( modeFile_Out.ToCString() );
1111 SMESH_MesherHelper aHelper( aMesh );
1113 Ok = readResult( &mgHexa, Hexotic_Out.ToCString(),
1115 &aHelper, _nbShape, tabShape, tabBox );
1117 std::string log = mgHexa.GetLog();
1120 hexahedraMessage = "success";
1122 removeFile(Hexotic_Out);
1123 removeFile(Hexotic_In);
1124 //removeFile(aLogFileName);
1125 for( size_t i=0; i<sizeMapFiles.size(); i++)
1127 removeFile( TCollection_AsciiString( sizeMapFiles[i].c_str() ) );
1133 hexahedraMessage = "failed";
1134 if ( mgHexa.IsExecutable() )
1135 cout << "Problem with MG-Hexa output file " << Hexotic_Out.ToCString() << std::endl;
1139 char msgLic[] = " Dlim ";
1140 std::string log = mgHexa.GetLog();
1141 const char* fileBeg = &log[0], *fileEnd = fileBeg + log.size();
1142 if ( std::search( fileBeg, fileEnd, msgLic, msgLic+strlen(msgLic)) != fileEnd )
1143 error("Licence problems.");
1145 if ( !errStr.empty() )
1148 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1152 for (int i=0; i<_nbShape; i++)
1153 delete [] tabBox[i];
1159 if(_computeCanceled)
1160 return error(SMESH_Comment("interruption initiated by user"));
1165 //=============================================================================
1167 * \brief Computes mesh without geometry
1168 * \param aMesh - the mesh
1169 * \param aHelper - helper that must be used for adding elements to \aaMesh
1170 * \retval bool - is a success
1172 * The method is called if ( !aMesh->HasShapeToMesh() )
1174 //=============================================================================
1176 bool HexoticPlugin_Hexotic::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
1178 _computeCanceled = false;
1180 SMESH_ComputeErrorPtr myError = SMESH_ComputeError::New();
1183 TCollection_AsciiString hexahedraMessage;
1184 TCollection_AsciiString aQuote("");
1188 SetParameters(_hypothesis);
1190 TCollection_AsciiString aTmpDir = _hexoticWorkingDirectory.c_str();//getTmpDir();
1191 TCollection_AsciiString Hexotic_In, Hexotic_Out, Hexotic_SizeMap_Prefix;
1192 TCollection_AsciiString modeFile_In( "chmod 666 " ), modeFile_Out( "chmod 666 " );
1193 TCollection_AsciiString aLogFileName = aTmpDir + "Hexotic"+getSuffix()+".log"; // log
1195 std::map <int,int> aSmdsToHexoticIdMap;
1196 std::map <int,const SMDS_MeshNode*> aHexoticIdToNodeMap;
1198 Hexotic_In = aTmpDir + "Hexotic"+getSuffix()+"_In.mesh";
1199 Hexotic_Out = aTmpDir + "Hexotic"+getSuffix()+"_Out.mesh";
1200 Hexotic_SizeMap_Prefix = aTmpDir + "Hexotic_SizeMap";
1202 MG_Hexotic_API mgHexa( _computeCanceled, _progress );
1204 std::vector<std::string> sizeMapFiles = writeSizeMapFile( &mgHexa, Hexotic_SizeMap_Prefix.ToCString() );
1206 std::string run_Hexotic = getHexoticCommand(aQuote + Hexotic_In + aQuote, aQuote + Hexotic_Out + aQuote, Hexotic_SizeMap_Prefix, mgHexa.IsExecutable());
1207 run_Hexotic += std::string(" 1> ") + aQuote.ToCString() + aLogFileName.ToCString() + aQuote.ToCString(); // dump into file
1208 mgHexa.SetLogFile( aLogFileName.ToCString() );
1209 cout << "Creating MG-Hexa log file : " << aLogFileName << std::endl;
1211 removeHexoticFiles(Hexotic_In, Hexotic_Out);
1213 splitQuads(aMesh); // quadrangles are no longer acceptable as input
1216 cout << "Creating MG-Hexa input mesh file : " << Hexotic_In << std::endl;
1217 writeInput( &mgHexa, Hexotic_In.ToCString(), aHelper->GetMeshDS() );
1218 if ( mgHexa.IsExecutable() )
1221 modeFile_In += Hexotic_In;
1222 system( modeFile_In.ToCString() );
1225 aSmdsToHexoticIdMap.clear();
1226 aHexoticIdToNodeMap.clear();
1228 MESSAGE("HexoticPlugin_Hexotic::Compute");
1231 cout << "MG-Hexa command : " << run_Hexotic << std::endl;
1234 Ok = mgHexa.Compute( run_Hexotic, errStr ); // run
1240 if ( mgHexa.IsExecutable() )
1242 modeFile_Out += Hexotic_Out;
1243 system( modeFile_Out.ToCString() );
1246 Ok = Ok && readResult( &mgHexa, Hexotic_Out.ToCString(), this, aHelper );
1248 std::string log = mgHexa.GetLog();
1251 hexahedraMessage = "success";
1255 hexahedraMessage = "failed";
1256 if ( mgHexa.IsExecutable() )
1257 cout << "Problem with MG-Hexa output file " << Hexotic_Out << std::endl;
1259 if ( log.find( " license " ) != std::string::npos ||
1260 log.find( " Dlim " ) != std::string::npos )
1261 error("License problems.");
1263 if ( !errStr.empty() )
1266 cout << "Hexahedra meshing " << hexahedraMessage << std::endl;
1269 if(_computeCanceled)
1270 return error(SMESH_Comment("interruption initiated by user"));
1271 removeFile(Hexotic_Out);
1272 removeFile(Hexotic_In);
1274 removeFile(aLogFileName);
1275 for( size_t i=0; i<sizeMapFiles.size(); i++)
1277 removeFile( TCollection_AsciiString(sizeMapFiles[i].c_str()) );
1282 //=============================================================================
1286 //=============================================================================
1288 bool HexoticPlugin_Hexotic::Evaluate(SMESH_Mesh& aMesh,
1289 const TopoDS_Shape& aShape,
1290 MapShapeNbElems& aResMap)
1292 std::vector<int> aResVec(SMDSEntity_Last);
1293 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
1294 SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
1295 aResMap.insert(std::make_pair(sm,aResVec));
1297 SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
1298 smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Evaluation is not implemented",this));
1303 void HexoticPlugin_Hexotic::CancelCompute()
1305 _computeCanceled = true;
1308 TCollection_AsciiString aTmpDir = _hexoticWorkingDirectory.c_str(); //getTmpDir();
1309 TCollection_AsciiString Hexotic_In = aTmpDir + "Hexotic_In.mesh";
1310 TCollection_AsciiString cmd = TCollection_AsciiString("ps ux | grep ") + Hexotic_In;
1311 cmd += TCollection_AsciiString(" | grep -v grep | awk '{print $2}' | xargs kill -9 > /dev/null 2>&1");
1312 system( cmd.ToCString() );