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 : BLSURFPlugin_BLSURF.cxx
22 // Authors : Francis KLOSS (OCC) & Patrick LAUG (INRIA) & Lioka RAZAFINDRAZAKA (CEA)
23 // & Aurelien ALLEAUME (DISTENE)
24 // Size maps developement: Nicolas GEIMER (OCC) & Gilles DAVID (EURIWARE)
27 #include "BLSURFPlugin_BLSURF.hxx"
28 #include "BLSURFPlugin_Hypothesis.hxx"
29 #include "BLSURFPlugin_Attractor.hxx"
32 #include <meshgems/meshgems.h>
33 #include <meshgems/cadsurf.h>
36 #include <structmember.h>
39 #include <Basics_Utils.hxx>
41 #include <SMDS_EdgePosition.hxx>
42 #include <SMESHDS_Group.hxx>
43 #include <SMESH_Gen.hxx>
44 #include <SMESH_Group.hxx>
45 #include <SMESH_Mesh.hxx>
46 #include <SMESH_MeshEditor.hxx>
47 #include <SMESH_MesherHelper.hxx>
48 #include <StdMeshers_FaceSide.hxx>
49 #include <StdMeshers_ViscousLayers2D.hxx>
50 #include <SMESH_File.hxx>
52 #include <utilities.h>
60 // OPENCASCADE includes
61 #include <BRepBuilderAPI_MakeFace.hxx>
62 #include <BRepBuilderAPI_MakePolygon.hxx>
63 #include <BRepBuilderAPI_MakeWire.hxx>
64 #include <BRepGProp.hxx>
65 #include <BRepTools.hxx>
66 #include <BRep_Builder.hxx>
67 #include <BRep_Tool.hxx>
68 #include <GProp_GProps.hxx>
69 #include <Geom2d_Curve.hxx>
70 #include <Geom2d_Line.hxx>
71 #include <GeomAPI_ProjectPointOnCurve.hxx>
72 #include <GeomAPI_ProjectPointOnSurf.hxx>
73 #include <Geom_Curve.hxx>
74 #include <Geom_Surface.hxx>
75 #include <NCollection_DataMap.hxx>
76 #include <NCollection_Map.hxx>
77 #include <Standard_ErrorHandler.hxx>
79 #include <TopExp_Explorer.hxx>
80 #include <TopTools_DataMapOfShapeInteger.hxx>
81 #include <TopTools_IndexedMapOfShape.hxx>
82 #include <TopTools_MapOfShape.hxx>
84 #include <TopoDS_Compound.hxx>
85 #include <TopoDS_Edge.hxx>
86 #include <TopoDS_Face.hxx>
87 #include <TopoDS_Shape.hxx>
88 #include <TopoDS_Vertex.hxx>
89 #include <TopoDS_Wire.hxx>
91 #include <gp_Pnt2d.hxx>
101 /* ==================================
102 * =========== PYTHON ==============
103 * ==================================*/
114 PyStdOut_dealloc(PyStdOut *self)
120 PyStdOut_write(PyStdOut *self, PyObject *args)
124 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
127 *(self->out)=*(self->out)+c;
133 static PyMethodDef PyStdOut_methods[] = {
134 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
135 PyDoc_STR("write(string) -> None")},
136 {NULL, NULL} /* sentinel */
139 static PyMemberDef PyStdOut_memberlist[] = {
140 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
141 (char*)"flag indicating that a space needs to be printed; used by print"},
142 {NULL} /* Sentinel */
145 static PyTypeObject PyStdOut_Type = {
146 /* The ob_type field must be initialized in the module init function
147 * to be portable to Windows without using C++. */
148 PyObject_HEAD_INIT(NULL)
151 sizeof(PyStdOut), /*tp_basicsize*/
154 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
161 0, /*tp_as_sequence*/
166 PyObject_GenericGetAttr, /*tp_getattro*/
167 /* softspace is writable: we must supply tp_setattro */
168 PyObject_GenericSetAttr, /* tp_setattro */
170 Py_TPFLAGS_DEFAULT, /*tp_flags*/
174 0, /*tp_richcompare*/
175 0, /*tp_weaklistoffset*/
178 PyStdOut_methods, /*tp_methods*/
179 PyStdOut_memberlist, /*tp_members*/
193 PyObject * newPyStdOut( std::string& out )
195 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
200 return (PyObject*)self;
205 ////////////////////////END PYTHON///////////////////////////
207 //////////////////MY MAPS////////////////////////////////////////
209 TopTools_IndexedMapOfShape FacesWithSizeMap;
210 std::map<int,string> FaceId2SizeMap;
211 TopTools_IndexedMapOfShape EdgesWithSizeMap;
212 std::map<int,string> EdgeId2SizeMap;
213 TopTools_IndexedMapOfShape VerticesWithSizeMap;
214 std::map<int,string> VertexId2SizeMap;
216 std::map<int,PyObject*> FaceId2PythonSmp;
217 std::map<int,PyObject*> EdgeId2PythonSmp;
218 std::map<int,PyObject*> VertexId2PythonSmp;
220 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
221 TId2ClsAttractorVec FaceId2ClassAttractor;
222 TId2ClsAttractorVec FaceIndex2ClassAttractor;
223 std::map<int,std::vector<double> > FaceId2AttractorCoords;
226 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
227 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
228 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
229 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
230 SMESH_MesherHelper* theHelper;
232 bool HasSizeMapOnFace=false;
233 bool HasSizeMapOnEdge=false;
234 bool HasSizeMapOnVertex=false;
235 //bool HasAttractorOnFace=false;
237 //=============================================================================
241 //=============================================================================
243 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
247 : SMESH_2D_Algo(hypId, studyId, gen)
249 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
250 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
251 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
253 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
254 _requireDiscreteBoundary = false;
255 _onlyUnaryInput = false;
257 _supportSubmeshes = true;
258 _requireShape = theHasGEOM;
260 smeshGen_i = SMESH_Gen_i::GetSMESHGen();
261 CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
262 SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
265 myStudy = aStudyMgr->GetStudyByID(_studyId);
267 /* Initialize the Python interpreter */
268 assert(Py_IsInitialized());
269 PyGILState_STATE gstate;
270 gstate = PyGILState_Ensure();
273 main_mod = PyImport_AddModule("__main__");
276 main_dict = PyModule_GetDict(main_mod);
278 PyRun_SimpleString("from math import *");
279 PyGILState_Release(gstate);
281 FacesWithSizeMap.Clear();
282 FaceId2SizeMap.clear();
283 EdgesWithSizeMap.Clear();
284 EdgeId2SizeMap.clear();
285 VerticesWithSizeMap.Clear();
286 VertexId2SizeMap.clear();
287 FaceId2PythonSmp.clear();
288 EdgeId2PythonSmp.clear();
289 VertexId2PythonSmp.clear();
290 FaceId2AttractorCoords.clear();
291 FaceId2ClassAttractor.clear();
292 FaceIndex2ClassAttractor.clear();
293 FacesWithEnforcedVertices.Clear();
294 FaceId2EnforcedVertexCoords.clear();
295 EnfVertexCoords2ProjVertex.clear();
296 EnfVertexCoords2EnfVertexList.clear();
298 _compute_canceled = false;
301 //=============================================================================
305 //=============================================================================
307 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
312 //=============================================================================
316 //=============================================================================
318 bool BLSURFPlugin_BLSURF::CheckHypothesis
320 const TopoDS_Shape& aShape,
321 SMESH_Hypothesis::Hypothesis_Status& aStatus)
324 _haveViscousLayers = false;
326 list<const SMESHDS_Hypothesis*>::const_iterator itl;
327 const SMESHDS_Hypothesis* theHyp;
329 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
330 /*ignoreAuxiliary=*/false);
331 aStatus = SMESH_Hypothesis::HYP_OK;
334 return true; // can work with no hypothesis
337 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
340 string hypName = theHyp->GetName();
341 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
342 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
344 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
346 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
347 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
348 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
349 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
351 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
353 if ( !_haveViscousLayers )
355 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
356 _haveViscousLayers = true;
361 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
364 return aStatus == SMESH_Hypothesis::HYP_OK;
367 //=============================================================================
369 * Pass parameters to MG-CADSurf
371 //=============================================================================
373 inline std::string val_to_string(double d)
375 std::ostringstream o;
380 inline std::string val_to_string_rel(double d)
382 std::ostringstream o;
388 inline std::string val_to_string(int i)
390 std::ostringstream o;
395 inline std::string val_to_string_rel(int i)
397 std::ostringstream o;
403 double _smp_phy_size;
404 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
405 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
406 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
413 /////////////////////////////////////////////////////////
415 projectionPoint getProjectionPoint(TopoDS_Face& theFace, const gp_Pnt& thePoint)
417 projectionPoint myPoint;
419 if ( theFace.IsNull() )
421 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
422 TopTools_MapOfShape checkedFaces;
423 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
425 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
427 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
428 if ( !checkedFaces.Add( face )) continue;
430 // check distance to face
431 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
432 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
433 double distance = surface->Gap();
434 if ( distance > Precision::Confusion() )
436 // the face is far, store for future analysis
437 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
441 // check location on the face
442 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
443 if ( FC.State() == TopAbs_IN )
445 if ( !foundFace.IsNull() )
446 return myPoint; // thePoint seems to be TopAbs_ON
448 myPoint.uv = uv.XY();
449 myPoint.xyz = surface->Value( uv ).XYZ();
452 if ( FC.State() == TopAbs_ON )
456 if ( foundFace.IsNull() )
458 // find the closest face
459 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
460 for ( ; d2f != dist2face.end(); ++d2f )
462 const TopoDS_Face& face = d2f->second.first;
463 const gp_Pnt2d & uv = d2f->second.second;
464 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
465 if ( FC.State() == TopAbs_IN )
468 myPoint.uv = uv.XY();
469 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
474 // set the resultShape
475 // if ( foundFace.IsNull() )
476 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
477 // "getProjectionPoint: can't find a face by a vertex");
478 theFace = TopoDS::Face( foundFace );
482 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
483 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
484 if ( !projector.IsDone() || projector.NbPoints()==0 )
485 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
486 "getProjectionPoint: can't project a vertex to a face");
489 projector.LowerDistanceParameters(u,v);
490 myPoint.uv = gp_XY(u,v);
491 gp_Pnt aPnt = projector.NearestPoint();
492 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
494 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
495 if ( FC.State() != TopAbs_IN )
502 /////////////////////////////////////////////////////////
503 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
506 if ( !entry.empty() )
508 GEOM::GEOM_Object_var aGeomObj;
509 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
510 if (!aSObj->_is_nil()) {
511 CORBA::Object_var obj = aSObj->GetObject();
512 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
515 if ( !aGeomObj->_is_nil() )
516 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
521 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
523 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
525 // Find the face and get the (u,v) values of the enforced vertex on the face
526 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
527 if ( faceShape.IsNull() )
530 enf_coords.push_back(aPnt.X());
531 enf_coords.push_back(aPnt.Y());
532 enf_coords.push_back(aPnt.Z());
534 coords.push_back(myPoint.uv.X());
535 coords.push_back(myPoint.uv.Y());
536 coords.push_back(myPoint.xyz.X());
537 coords.push_back(myPoint.xyz.Y());
538 coords.push_back(myPoint.xyz.Z());
540 s_coords.push_back(myPoint.xyz.X());
541 s_coords.push_back(myPoint.xyz.Y());
542 s_coords.push_back(myPoint.xyz.Z());
544 // Save pair projected vertex / enf vertex
545 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
546 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
547 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
548 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
549 if (ret.second == false) {
551 (*it)->grpName = enfVertex->grpName;
555 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
556 key = FacesWithEnforcedVertices.Add(faceShape);
559 key = FacesWithEnforcedVertices.FindIndex(faceShape);
562 // If a node is already created by an attractor, do not create enforced vertex
563 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
564 bool sameAttractor = false;
565 if (attractorKey >= 0)
566 if (FaceId2AttractorCoords.count(attractorKey) > 0)
567 if (FaceId2AttractorCoords[attractorKey] == coords)
568 sameAttractor = true;
570 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
572 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
575 if (! sameAttractor) {
576 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
578 FaceId2EnforcedVertexCoords[key] = ens;
583 /////////////////////////////////////////////////////////
584 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
586 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
589 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
591 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
592 enfVertex = *enfVertexListIt;
593 // Case of manual coords
594 if (enfVertex->coords.size() != 0) {
595 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
596 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
599 // Case of geom vertex coords
600 if (enfVertex->geomEntry != "") {
601 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
602 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
603 if (GeomType == TopAbs_VERTEX)
605 enfVertex->vertex = TopoDS::Vertex( GeomShape );
606 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
607 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
610 if (GeomType == TopAbs_COMPOUND)
612 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
613 if (it.Value().ShapeType() == TopAbs_VERTEX)
615 enfVertex->vertex = TopoDS::Vertex( it.Value() );
616 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
617 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
624 /////////////////////////////////////////////////////////
625 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
627 double xa, ya, za; // Coordinates of attractor point
628 double a, b; // Attractor parameter
630 bool createNode=false; // To create a node on attractor projection
632 const char *sep = ";";
633 // atIt->second has the following pattern:
634 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
636 // xa;ya;za : coordinates of attractor
637 // a : desired size on attractor
638 // b : distance of influence of attractor
639 // d : distance until which the size remains constant
641 // We search the parameters in the string
643 pos1 = AttractorFunction.find(sep);
644 if (pos1!=string::npos)
645 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
647 pos2 = AttractorFunction.find(sep, pos1+1);
648 if (pos2!=string::npos) {
649 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
653 pos2 = AttractorFunction.find(sep, pos1+1);
654 if (pos2!=string::npos) {
655 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
659 pos2 = AttractorFunction.find(sep, pos1+1);
660 if (pos2!=string::npos) {
661 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
665 pos2 = AttractorFunction.find(sep, pos1+1);
666 if (pos2!=string::npos) {
667 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
671 pos2 = AttractorFunction.find(sep, pos1+1);
672 if (pos2!=string::npos) {
673 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
674 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
678 pos2 = AttractorFunction.find(")");
679 if (pos2!=string::npos) {
680 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
683 // Get the (u,v) values of the attractor on the face
684 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
685 gp_XY uvPoint = myPoint.uv;
686 gp_XYZ xyzPoint = myPoint.xyz;
687 Standard_Real u0 = uvPoint.X();
688 Standard_Real v0 = uvPoint.Y();
689 Standard_Real x0 = xyzPoint.X();
690 Standard_Real y0 = xyzPoint.Y();
691 Standard_Real z0 = xyzPoint.Z();
692 std::vector<double> coords;
693 coords.push_back(u0);
694 coords.push_back(v0);
695 coords.push_back(x0);
696 coords.push_back(y0);
697 coords.push_back(z0);
698 // We construct the python function
699 ostringstream attractorFunctionStream;
700 attractorFunctionStream << "def f(u,v): return ";
701 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
702 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
703 // rnc: make possible to keep the size constant until
704 // a defined distance. Distance is expressed as the positiv part
705 // of r-d where r is the distance to (u0,v0)
706 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
709 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
710 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
713 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
715 FaceId2SizeMap[key] =attractorFunctionStream.str();
717 FaceId2AttractorCoords[key] = coords;
719 // // Test for new attractors
720 // gp_Pnt myP(xyzPoint);
721 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
722 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
723 // myAttractor.SetParameters(a, defaultSize, b, d);
724 // myAttractor.SetType(1);
725 // FaceId2ClassAttractor[key] = myAttractor;
726 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
730 // One sub-shape to get ids from
731 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
732 const TopoDS_Shape& theSubShape,
733 TopAbs_ShapeEnum theShapeType)
735 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
737 TopTools_MapOfShape subShapes;
738 TopTools_IndexedMapOfShape anIndices;
739 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
741 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
743 if ( subShapes.Add( face_iter.Current() )) // issue 23416
745 int face_id = anIndices.FindIndex( face_iter.Current() );
747 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
748 face_ids.push_back( face_id );
754 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
755 TopoDS_Shape theSubShape,
756 TopAbs_ShapeEnum theShapeType)
758 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
760 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
762 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
764 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
765 face_ids.push_back(face_id);
771 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
773 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
775 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
776 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
781 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
783 if (theVertexEntry!="")
785 TopoDS_Shape aShape = entryToShape(theVertexEntry);
787 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
788 double theX, theY, theZ;
793 theVerticesCoords.push_back(theX);
794 theVerticesCoords.push_back(theY);
795 theVerticesCoords.push_back(theZ);
799 /////////////////////////////////////////////////////////
800 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
802 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
803 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
805 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
806 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
808 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
809 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
810 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
812 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
813 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
815 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
818 /////////////////////////////////////////////////////////
819 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
821 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
822 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
824 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
825 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
827 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
828 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
829 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
831 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
832 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
834 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
838 /////////////////////////////////////////////////////////
840 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
841 cadsurf_session_t * css,
842 const TopoDS_Shape& theGeomShape)
845 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
846 FacesWithSizeMap.Clear();
847 FaceId2SizeMap.clear();
848 EdgesWithSizeMap.Clear();
849 EdgeId2SizeMap.clear();
850 VerticesWithSizeMap.Clear();
851 VertexId2SizeMap.clear();
852 FaceId2PythonSmp.clear();
853 EdgeId2PythonSmp.clear();
854 VertexId2PythonSmp.clear();
855 FaceId2AttractorCoords.clear();
856 FaceId2ClassAttractor.clear();
857 FaceIndex2ClassAttractor.clear();
858 FacesWithEnforcedVertices.Clear();
859 FaceId2EnforcedVertexCoords.clear();
860 EnfVertexCoords2ProjVertex.clear();
861 EnfVertexCoords2EnfVertexList.clear();
863 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
864 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
865 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
866 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
867 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
868 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
869 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
870 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
871 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
872 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
873 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
874 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
875 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
876 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
877 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
878 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
879 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
880 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
881 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
882 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
883 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
884 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
885 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
886 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
887 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
888 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
889 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
890 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
891 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
892 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
893 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
896 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
897 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
898 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
899 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
901 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
904 _physicalMesh = (int) hyp->GetPhysicalMesh();
905 _geometricMesh = (int) hyp->GetGeometricMesh();
906 if (hyp->GetPhySize() > 0) {
907 _phySize = hyp->GetPhySize();
908 // if user size is not explicitly specified, "relative" flag is ignored
909 _phySizeRel = hyp->IsPhySizeRel();
911 if (hyp->GetMinSize() > 0) {
912 _minSize = hyp->GetMinSize();
913 // if min size is not explicitly specified, "relative" flag is ignored
914 _minSizeRel = hyp->IsMinSizeRel();
916 if (hyp->GetMaxSize() > 0) {
917 _maxSize = hyp->GetMaxSize();
918 // if max size is not explicitly specified, "relative" flag is ignored
919 _maxSizeRel = hyp->IsMaxSizeRel();
921 _use_gradation = hyp->GetUseGradation();
922 if (hyp->GetGradation() > 0 && _use_gradation)
923 _gradation = hyp->GetGradation();
924 _use_volume_gradation = hyp->GetUseVolumeGradation();
925 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
926 _volume_gradation = hyp->GetVolumeGradation();
927 _elementType = hyp->GetElementType();
928 if (hyp->GetAngleMesh() > 0)
929 _angleMesh = hyp->GetAngleMesh();
930 if (hyp->GetChordalError() > 0)
931 _chordalError = hyp->GetChordalError();
932 _anisotropic = hyp->GetAnisotropic();
933 if (hyp->GetAnisotropicRatio() >= 0)
934 _anisotropicRatio = hyp->GetAnisotropicRatio();
935 _removeTinyEdges = hyp->GetRemoveTinyEdges();
936 if (hyp->GetTinyEdgeLength() > 0)
937 _tinyEdgeLength = hyp->GetTinyEdgeLength();
938 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
939 if (hyp->GetTinyEdgeOptimisationLength() > 0)
940 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
941 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
942 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
943 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
944 _badElementRemoval = hyp->GetBadElementRemoval();
945 if (hyp->GetBadElementAspectRatio() >= 0)
946 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
947 _optimizeMesh = hyp->GetOptimizeMesh();
948 _quadraticMesh = hyp->GetQuadraticMesh();
949 _verb = hyp->GetVerbosity();
950 //_topology = (int) hyp->GetTopology();
952 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
953 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
954 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
955 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
957 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
958 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
959 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
960 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
961 if ( !opIt->second.empty() ) {
962 // With MeshGems 2.4-5, there are issues with periodicity and multithread
963 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
964 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
965 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
966 set_param(css, opIt->first.c_str(), "1");
969 set_param(css, opIt->first.c_str(), opIt->second.c_str());
973 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
974 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
975 if ( !opIt->second.empty() ) {
976 set_param(css, opIt->first.c_str(), opIt->second.c_str());
979 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
980 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
981 if ( !opIt->second.empty() ) {
982 set_param(css, opIt->first.c_str(), opIt->second.c_str());
986 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
988 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
990 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
991 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
992 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
993 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
994 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
995 //set_param(css, "max_number_of_points_per_patch", "1000000");
997 bool useGradation = false;
998 switch (_physicalMesh)
1000 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1001 set_param(css, "physical_size_mode", "global");
1002 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1004 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1005 set_param(css, "physical_size_mode", "local");
1006 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1007 useGradation = true;
1010 set_param(css, "physical_size_mode", "none");
1013 switch (_geometricMesh)
1015 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1016 set_param(css, "geometric_size_mode", "global");
1017 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1018 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1019 useGradation = true;
1021 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1022 set_param(css, "geometric_size_mode", "local");
1023 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1024 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1025 useGradation = true;
1028 set_param(css, "geometric_size_mode", "none");
1031 if ( hyp && hyp->GetPhySize() > 0 ) {
1032 // user size is explicitly specified via hypothesis parameters
1033 // min and max sizes should be compared with explicitly specified user size
1034 // - compute absolute min size
1035 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1036 // - min size should not be greater than user size
1037 if ( _phySize < mins )
1038 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1040 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1041 // - compute absolute max size
1042 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1043 // - max size should not be less than user size
1044 if ( _phySize > maxs )
1045 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1047 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1050 // user size is not explicitly specified
1051 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1052 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1053 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1054 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1056 // anisotropic and quadrangle mesh requires disabling gradation
1057 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1058 useGradation = false; // limitation of V1.3
1059 if ( useGradation && _use_gradation )
1060 set_param(css, "gradation", val_to_string(_gradation).c_str());
1061 if ( useGradation && _use_volume_gradation )
1062 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1064 // New since MeshGems 2.5: add full_quad
1065 const char * element_generation = "";
1066 switch ( _elementType )
1068 case BLSURFPlugin_Hypothesis::Triangles:
1069 element_generation = "triangle";
1071 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1072 element_generation = "quad_dominant";
1074 case BLSURFPlugin_Hypothesis::Quadrangles:
1075 element_generation = "full_quad";
1079 set_param(css, "element_generation", element_generation);
1082 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1084 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1085 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1086 if ( _removeTinyEdges )
1087 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1088 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1089 if ( _optimiseTinyEdges )
1090 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1091 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1092 if ( _correctSurfaceIntersec )
1093 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1094 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1095 if ( _badElementRemoval )
1096 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1097 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1098 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1099 set_param(css, "verbose", val_to_string(_verb).c_str());
1101 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1103 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1105 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1107 TopoDS_Shape GeomShape;
1108 TopoDS_Shape AttShape;
1109 TopAbs_ShapeEnum GeomType;
1111 // Standard Size Maps
1113 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1114 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1115 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1116 if ( !smIt->second.empty() ) {
1117 GeomShape = entryToShape(smIt->first);
1118 GeomType = GeomShape.ShapeType();
1121 if (GeomType == TopAbs_COMPOUND) {
1122 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1124 if (it.Value().ShapeType() == TopAbs_FACE){
1125 HasSizeMapOnFace = true;
1126 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1127 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1130 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1132 FaceId2SizeMap[key] = smIt->second;
1135 if (it.Value().ShapeType() == TopAbs_EDGE){
1136 HasSizeMapOnEdge = true;
1137 HasSizeMapOnFace = true;
1138 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1139 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1142 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1144 EdgeId2SizeMap[key] = smIt->second;
1146 // Group of vertices
1147 if (it.Value().ShapeType() == TopAbs_VERTEX){
1148 HasSizeMapOnVertex = true;
1149 HasSizeMapOnEdge = true;
1150 HasSizeMapOnFace = true;
1151 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1152 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1155 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1157 VertexId2SizeMap[key] = smIt->second;
1162 if (GeomType == TopAbs_FACE){
1163 HasSizeMapOnFace = true;
1164 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1165 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1168 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1170 FaceId2SizeMap[key] = smIt->second;
1173 if (GeomType == TopAbs_EDGE){
1174 HasSizeMapOnEdge = true;
1175 HasSizeMapOnFace = true;
1176 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1177 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1180 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1182 EdgeId2SizeMap[key] = smIt->second;
1185 if (GeomType == TopAbs_VERTEX){
1186 HasSizeMapOnVertex = true;
1187 HasSizeMapOnEdge = true;
1188 HasSizeMapOnFace = true;
1189 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1190 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1193 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1195 VertexId2SizeMap[key] = smIt->second;
1203 // TODO appeler le constructeur des attracteurs directement ici
1204 // if ( !_phySizeRel ) {
1205 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1206 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1207 for ( ; atIt != attractors.end(); ++atIt ) {
1208 if ( !atIt->second.empty() ) {
1209 GeomShape = entryToShape(atIt->first);
1210 GeomType = GeomShape.ShapeType();
1212 if (GeomType == TopAbs_COMPOUND){
1213 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1214 if (it.Value().ShapeType() == TopAbs_FACE){
1215 HasSizeMapOnFace = true;
1216 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1221 if (GeomType == TopAbs_FACE){
1222 HasSizeMapOnFace = true;
1223 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1226 if (GeomType == TopAbs_EDGE){
1227 HasSizeMapOnEdge = true;
1228 HasSizeMapOnFace = true;
1229 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1231 if (GeomType == TopAbs_VERTEX){
1232 HasSizeMapOnVertex = true;
1233 HasSizeMapOnEdge = true;
1234 HasSizeMapOnFace = true;
1235 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1243 // temporary commented out for testing
1245 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1246 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1247 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1249 // - Construct the attractors with an empty dist. map in the hypothesis
1250 // - build the map here for each face with an attractor set and only if the attractor shape as changed since the last call to _buildmap()
1251 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1253 theNbAttractors = 0;
1254 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1256 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1257 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1258 if ( !AtIt->second->Empty() ) {
1259 GeomShape = entryToShape(AtIt->first);
1260 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1262 AttShape = AtIt->second->GetAttractorShape();
1263 GeomType = GeomShape.ShapeType();
1265 // if (GeomType == TopAbs_COMPOUND){
1266 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1267 // if (it.Value().ShapeType() == TopAbs_FACE){
1268 // HasAttractorOnFace = true;
1269 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1274 if (GeomType == TopAbs_FACE
1275 && (AttShape.ShapeType() == TopAbs_VERTEX
1276 || AttShape.ShapeType() == TopAbs_EDGE
1277 || AttShape.ShapeType() == TopAbs_WIRE
1278 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1279 HasSizeMapOnFace = true;
1281 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1283 FaceId2ClassAttractor[key].push_back( AtIt->second );
1287 MESSAGE("Wrong shape type !!")
1295 // Enforced Vertices
1297 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1298 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1299 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1300 if ( !enfIt->second.empty() ) {
1301 GeomShape = entryToShape(enfIt->first);
1302 if ( GeomShape.IsNull() )
1304 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1307 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1309 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1310 if (it.Value().ShapeType() == TopAbs_FACE){
1311 HasSizeMapOnFace = true;
1312 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1316 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1318 HasSizeMapOnFace = true;
1319 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1324 // Internal vertices
1325 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1326 if (useInternalVertexAllFaces) {
1327 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1329 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1330 for (; exp.More(); exp.Next()){
1331 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1332 for (; exp_face.More(); exp_face.Next())
1334 // Get coords of vertex
1335 // Check if current coords is already in enfVertexList
1336 // If coords not in enfVertexList, add new enfVertex
1337 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1338 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1339 enfVertex->coords.push_back(aPnt.X());
1340 enfVertex->coords.push_back(aPnt.Y());
1341 enfVertex->coords.push_back(aPnt.Z());
1342 enfVertex->name = "";
1343 enfVertex->faceEntries.clear();
1344 enfVertex->geomEntry = "";
1345 enfVertex->grpName = grpName;
1346 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1347 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1348 HasSizeMapOnFace = true;
1353 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1355 if (HasSizeMapOnEdge){
1356 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1358 if (HasSizeMapOnVertex){
1359 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1366 _preCadFacesIDsPeriodicityVector.clear();
1367 _preCadEdgesIDsPeriodicityVector.clear();
1369 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1370 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1373 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1375 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1376 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1380 //================================================================================
1382 * \brief Throws an exception if a parameter name is wrong
1384 //================================================================================
1386 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1387 const char * option_name,
1388 const char * option_value)
1390 status_t status = cadsurf_set_param(css, option_name, option_value );
1392 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1393 cout << option_name << " = " << option_value << endl;
1395 if ( status != MESHGEMS_STATUS_OK )
1397 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1398 throw SALOME_Exception
1399 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1401 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1402 throw SALOME_Exception
1403 ( "No valid license available" );
1405 throw SALOME_Exception
1406 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1407 << option_name << "': " << option_value);
1413 // --------------------------------------------------------------------------
1415 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1417 struct BLSURF_Cleaner
1420 cadsurf_session_t* _css;
1424 BLSURF_Cleaner(context_t * ctx,
1425 cadsurf_session_t* css=0,
1436 Clean( /*exceptContext=*/false );
1438 void Clean(const bool exceptContext)
1442 cadsurf_session_delete(_css); _css = 0;
1444 // #if BLSURF_VERSION_LONG >= "3.1.1"
1445 // // if(geo_sizemap_e)
1446 // // distene_sizemap_delete(geo_sizemap_e);
1447 // // if(geo_sizemap_f)
1448 // // distene_sizemap_delete(geo_sizemap_f);
1449 // if(iso_sizemap_p)
1450 // distene_sizemap_delete(iso_sizemap_p);
1451 // if(iso_sizemap_e)
1452 // distene_sizemap_delete(iso_sizemap_e);
1453 // if(iso_sizemap_f)
1454 // distene_sizemap_delete(iso_sizemap_f);
1456 // // if(clean_geo_sizemap_e)
1457 // // distene_sizemap_delete(clean_geo_sizemap_e);
1458 // // if(clean_geo_sizemap_f)
1459 // // distene_sizemap_delete(clean_geo_sizemap_f);
1460 // if(clean_iso_sizemap_p)
1461 // distene_sizemap_delete(clean_iso_sizemap_p);
1462 // if(clean_iso_sizemap_e)
1463 // distene_sizemap_delete(clean_iso_sizemap_e);
1464 // if(clean_iso_sizemap_f)
1465 // distene_sizemap_delete(clean_iso_sizemap_f);
1468 cad_delete(_cad); _cad = 0;
1469 dcad_delete(_dcad); _dcad = 0;
1470 if ( !exceptContext )
1472 context_delete(_ctx); _ctx = 0;
1478 // --------------------------------------------------------------------------
1479 // comparator to sort nodes and sub-meshes
1480 struct ShapeTypeCompare
1482 // sort nodes by position in the following order:
1483 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1484 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1486 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1487 return n1->getIdInShape() < n2->getIdInShape();
1488 // SMDS_TypeOfPosition pos1 = n1->GetPosition()->GetTypeOfPosition();
1489 // SMDS_TypeOfPosition pos2 = n2->GetPosition()->GetTypeOfPosition();
1490 // if ( pos1 == pos2 ) return 0;
1491 // if ( pos1 < pos2 || pos1 == SMDS_TOP_3DSPACE ) return 1;
1494 // sort sub-meshes in order: EDGE, VERTEX
1495 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1497 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1498 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1499 if ( isVertex1 == isVertex2 )
1501 return isVertex1 < isVertex2;
1505 //================================================================================
1507 * \brief Fills groups of nodes to be merged
1509 //================================================================================
1511 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1512 const TopoDS_Shape& shape,
1513 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1515 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1516 switch ( shape.ShapeType() )
1518 case TopAbs_VERTEX: {
1519 std::list< const SMDS_MeshNode* > nodes;
1520 while ( nIt->more() )
1521 nodes.push_back( nIt->next() );
1522 if ( nodes.size() > 1 )
1523 nodeGroupsToMerge.push_back( nodes );
1527 std::multimap< double, const SMDS_MeshNode* > u2node;
1528 const SMDS_EdgePosition* ePos;
1529 while ( nIt->more() )
1531 const SMDS_MeshNode* n = nIt->next();
1532 if (( ePos = dynamic_cast< const SMDS_EdgePosition* >( n->GetPosition() )))
1533 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1535 if ( u2node.size() < 2 ) return;
1537 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1539 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1540 double tol = (( l - f ) / 20.) / u2node.size();
1542 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1543 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1545 if (( un2->first - un1->first ) <= tol )
1547 std::list< const SMDS_MeshNode* > nodes;
1548 nodes.push_back( un1->second );
1549 while (( un2->first - un1->first ) <= tol )
1551 nodes.push_back( un2->second );
1552 if ( ++un2 == u2node.end()) {
1557 // make nodes created on the boundary of viscous layer replace nodes created
1558 // by MG-CADSurf as their SMDS_Position is more correct
1559 nodes.sort( ShapeTypeCompare() );
1560 nodeGroupsToMerge.push_back( nodes );
1567 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1568 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1570 // cout << "Merge ";
1571 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1572 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1573 // for ( ; nIt != nl.end(); ++nIt )
1574 // cout << (*nIt) << " ";
1580 //================================================================================
1582 * \brief A temporary mesh used to compute mesh on a proxy FACE
1584 //================================================================================
1586 struct TmpMesh: public SMESH_Mesh
1588 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1589 TN2NMap _tmp2origNN;
1590 TopoDS_Face _proxyFace;
1594 _myMeshDS = new SMESHDS_Mesh( _id, true );
1596 //--------------------------------------------------------------------------------
1598 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1600 //--------------------------------------------------------------------------------
1602 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1603 const TopoDS_Face& origFace)
1605 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1607 SMESH_MesherHelper helper( *origMesh );
1608 helper.SetSubShape( origFace );
1609 const bool hasSeam = helper.HasRealSeam();
1611 // get data of nodes on inner boundary of viscous layers
1613 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1614 /*skipMediumNodes = */true,
1615 err, &helper, viscousMesh );
1616 if ( err && err->IsKO() )
1617 throw *err.get(); // it should be caught at SMESH_subMesh
1619 // proxy nodes and corresponding tmp VERTEXes
1620 std::vector<const SMDS_MeshNode*> origNodes;
1621 std::vector<TopoDS_Vertex> tmpVertex;
1623 // create a proxy FACE
1624 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1625 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1626 bool hasPCurves = false;
1627 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1629 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1630 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1631 if ( wirePoints.size() < 3 )
1634 BRepBuilderAPI_MakePolygon polygon;
1635 const size_t i0 = tmpVertex.size();
1636 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1638 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1639 origNodes.push_back( wirePoints[ iN ].node );
1640 tmpVertex.push_back( polygon.LastVertex() );
1642 // check presence of a pcurve
1643 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1645 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1647 if ( !polygon.IsDone() )
1648 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1649 TopoDS_Wire wire = polygon;
1651 wire = updateSeam( wire, origNodes );
1652 newFace.Add( wire );
1654 _proxyFace = newFace;
1656 // set a new shape to mesh
1657 TopoDS_Compound auxCompoundToMesh;
1658 BRep_Builder shapeBuilder;
1659 shapeBuilder.MakeCompound( auxCompoundToMesh );
1660 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1661 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1663 ShapeToMesh( auxCompoundToMesh );
1666 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1668 // make nodes and fill in _tmp2origNN
1670 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1671 for ( size_t i = 0; i < origNodes.size(); ++i )
1673 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1674 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1675 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1676 // else -- it can be a seam vertex replaced by updateSeam()
1677 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1681 TopoDS_Vertex v1, v2;
1682 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1684 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1685 TopExp::Vertices( E, v1, v2 );
1686 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1687 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1689 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1690 tmpMeshDS->SetMeshElementOnShape( seg, E );
1696 //--------------------------------------------------------------------------------
1698 * \brief Add pcurve to the last edge of a wire
1700 //--------------------------------------------------------------------------------
1702 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1703 const TopoDS_Face& face,
1705 const uvPtStruct * wirePoints )
1709 TopoDS_Edge edge = wire.Edge();
1710 if ( edge.IsNull() ) return;
1712 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1717 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1718 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1719 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1720 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1721 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1722 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1723 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1724 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1727 //--------------------------------------------------------------------------------
1729 * \brief Replace coincident EDGEs with reversed copies.
1731 //--------------------------------------------------------------------------------
1733 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1734 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1736 BRepBuilderAPI_MakeWire newWire;
1738 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1739 TSeg2EdgeMap seg2EdgeMap;
1741 TopoDS_Iterator edgeIt( wire );
1742 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1744 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1745 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1747 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1748 bool isSeam = ( *edgeInMap != edge );
1751 edgeInMap->Reverse();
1754 newWire.Add( edge );
1759 //--------------------------------------------------------------------------------
1761 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1763 //--------------------------------------------------------------------------------
1765 void FillInOrigMesh( SMESH_Mesh& origMesh,
1766 const TopoDS_Face& origFace )
1768 SMESH_MesherHelper helper( origMesh );
1769 helper.SetSubShape( origFace );
1770 helper.SetElementsOnShape( true );
1772 SMESH_MesherHelper tmpHelper( *this );
1773 tmpHelper.SetSubShape( _proxyFace );
1775 // iterate over tmp faces and copy them in origMesh
1776 const SMDS_MeshNode* nodes[27];
1777 const SMDS_MeshNode* nullNode = 0;
1779 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1780 while ( fIt->more() )
1782 const SMDS_MeshElement* f = fIt->next();
1783 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1785 for ( ; nIt->more(); ++nbN )
1787 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1788 TN2NMap::iterator n2nIt =
1789 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1790 if ( !n2nIt->second ) {
1792 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1793 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1795 nodes[ nbN ] = n2nIt->second;
1798 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1799 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1800 // nodes[3], nodes[4], nodes[5]); break;
1801 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1802 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1803 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1804 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1805 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1812 * \brief A structure holding an error description and a verbisity level
1814 struct message_cb_user_data
1816 std::string * _error;
1823 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1824 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1825 real *duu, real *duv, real *dvv, void *user_data);
1826 status_t message_cb(message_t *msg, void *user_data);
1827 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1829 //=============================================================================
1833 //=============================================================================
1835 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1837 // Fix problem with locales
1838 Kernel_Utils::Localizer aLocalizer;
1840 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1842 bool viscousLayersMade =
1843 ( aShape.ShapeType() == TopAbs_FACE &&
1844 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1846 if ( !viscousLayersMade )
1847 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1850 if ( _haveViscousLayers || viscousLayersMade )
1852 // Compute viscous layers
1854 TopTools_MapOfShape map;
1855 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1857 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1858 if ( !map.Add( F )) continue;
1859 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1861 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1863 // Compute MG-CADSurf mesh on viscous layers
1865 if ( viscousMesh->NbProxySubMeshes() > 0 )
1868 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1869 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1871 tmpMesh.FillInOrigMesh( aMesh, F );
1875 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1877 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1879 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1880 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1881 if ( fSM->IsMeshComputed() ) continue;
1883 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1891 //=============================================================================
1895 //=============================================================================
1897 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1898 const TopoDS_Shape& aShape,
1899 bool allowSubMeshClearing)
1901 /* create a distene context (generic object) */
1902 status_t status = STATUS_ERROR;
1904 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1905 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1906 myHelper = theHelper = & helperWithShape;
1907 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1908 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1909 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1910 bool quadraticSubMeshAndViscousLayer = false;
1911 bool needMerge = false;
1912 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1913 TSubMeshSet edgeSubmeshes;
1914 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1916 TopTools_IndexedMapOfShape pmap, emap, fmap;
1918 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1919 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1921 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1923 feclearexcept( FE_ALL_EXCEPT );
1924 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1927 context_t *ctx = context_new();
1929 /* Set the message callback in the working context */
1930 message_cb_user_data mcud;
1931 mcud._error = & this->SMESH_Algo::_comment;
1932 mcud._progress = & this->SMESH_Algo::_progress;
1934 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1935 context_set_message_callback(ctx, message_cb, &mcud);
1937 /* set the interruption callback */
1938 _compute_canceled = false;
1939 context_set_interrupt_callback(ctx, interrupt_cb, this);
1941 /* create the CAD object we will work on. It is associated to the context ctx. */
1942 cad_t *c = cad_new(ctx);
1943 dcad_t *dcad = dcad_new(c);
1945 // To enable multithreading
1946 cad_set_thread_safety(c, 1);
1948 /* Now fill the CAD object with data from your CAD
1949 * environement. This is the most complex part of a successfull
1955 cadsurf_session_t *css = cadsurf_session_new(ctx);
1957 // an object that correctly deletes all cadsurf objects at destruction
1958 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1960 SetParameters(_hypothesis, css, aShape);
1962 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1963 helper.SetIsQuadratic( haveQuadraticSubMesh );
1965 // To remove as soon as quadratic mesh is allowed - BEGIN
1966 // GDD: Viscous layer is not allowed with quadratic mesh
1967 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1968 quadraticSubMeshAndViscousLayer = true;
1969 _haveViscousLayers = !haveQuadraticSubMesh;
1970 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1971 error(COMPERR_WARNING, _comment);
1973 // To remove as soon as quadratic mesh is allowed - END
1975 // needed to prevent the opencascade memory managmement from freeing things
1976 vector<Handle(Geom2d_Curve)> curves;
1977 vector<Handle(Geom_Surface)> surfaces;
1981 FaceId2PythonSmp.clear();
1982 EdgeId2PythonSmp.clear();
1983 VertexId2PythonSmp.clear();
1985 /****************************************************************************************
1987 *****************************************************************************************/
1989 string bad_end = "return";
1991 TopTools_IndexedMapOfShape _map;
1992 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
1993 int ienf = _map.Extent();
1995 assert(Py_IsInitialized());
1996 PyGILState_STATE gstate;
1998 string theSizeMapStr;
2000 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2002 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2004 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2005 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2007 // make INTERNAL face oriented FORWARD (issue 0020993)
2008 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2009 f.Orientation(TopAbs_FORWARD);
2011 iface = fmap.Add(f);
2013 surfaces.push_back(BRep_Tool::Surface(f));
2015 /* create an object representing the face for cadsurf */
2016 /* where face_id is an integer identifying the face.
2017 * surf_function is the function that defines the surface
2018 * (For this face, it will be called by cadsurf with your_face_object_ptr
2019 * as last parameter.
2021 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2023 /* by default a face has no tag (color).
2024 The following call sets it to the same value as the Geom module ID : */
2025 int faceTag = meshDS->ShapeToIndex(f);
2026 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2027 cad_face_set_tag(fce, faceTag);
2029 /* Set face orientation (optional if you want a well oriented output mesh)*/
2030 if(f.Orientation() != TopAbs_FORWARD)
2031 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2033 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2035 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2037 // -----------------
2039 // -----------------
2040 faceKey = FacesWithSizeMap.FindIndex(f);
2043 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2045 theSizeMapStr = FaceId2SizeMap[faceKey];
2046 // check if function ends with "return"
2047 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2049 // Expr To Python function, verification is performed at validation in GUI
2050 gstate = PyGILState_Ensure();
2051 PyObject * obj = NULL;
2052 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2054 PyObject * func = NULL;
2055 func = PyObject_GetAttrString(main_mod, "f");
2056 FaceId2PythonSmp[iface]=func;
2057 FaceId2SizeMap.erase(faceKey);
2058 PyGILState_Release(gstate);
2061 // Specific size map = Attractor
2062 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2064 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2065 if (attractor_iter->first == faceKey)
2067 double xyzCoords[3] = {attractor_iter->second[2],
2068 attractor_iter->second[3],
2069 attractor_iter->second[4]};
2071 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2072 BRepClass_FaceClassifier scl(f,P,1e-7);
2073 scl.Perform(f, P, 1e-7);
2074 TopAbs_State result = scl.State();
2075 if ( result == TopAbs_OUT )
2076 MESSAGE("Point is out of face: node is not created");
2077 if ( result == TopAbs_UNKNOWN )
2078 MESSAGE("Point position on face is unknown: node is not created");
2079 if ( result == TopAbs_ON )
2080 MESSAGE("Point is on border of face: node is not created");
2081 if ( result == TopAbs_IN )
2083 // Point is inside face and not on border
2084 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2086 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2087 cad_point_set_tag(point_p, ienf);
2089 FaceId2AttractorCoords.erase(faceKey);
2093 // -----------------
2095 // -----------------
2096 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2097 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2098 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2099 for ( size_t i = 0; i < attVec.size(); ++i )
2100 if ( !attVec[i]->IsMapBuilt() ) {
2101 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2102 attVec[i]->BuildMap();
2104 FaceIndex2ClassAttractor[iface].swap( attVec );
2105 FaceId2ClassAttractor.erase(clAttractor_iter);
2107 } // if (HasSizeMapOnFace && !use_precad)
2109 // ------------------
2110 // Enforced Vertices
2111 // ------------------
2112 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2113 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2114 if (evmIt != FaceId2EnforcedVertexCoords.end())
2116 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2117 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2118 for (; evlIt != evl.end(); ++evlIt)
2120 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2122 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2124 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2125 xyzCoords.push_back(evlIt->at(2));
2126 xyzCoords.push_back(evlIt->at(3));
2127 xyzCoords.push_back(evlIt->at(4));
2128 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2129 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2130 !enfCoordsIt->second.empty() )
2132 // to merge nodes of an INTERNAL vertex belonging to several faces
2133 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2134 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2135 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2137 tag = pmap.Add( v );
2138 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2139 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2140 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2141 // //if ( tag != pmap.Extent() )
2142 // needMerge = true;
2145 if ( tag == 0 ) tag = ienf;
2146 cad_point_set_tag(point_p, tag);
2148 FaceId2EnforcedVertexCoords.erase(faceKey);
2152 /****************************************************************************************
2154 now create the edges associated to this face
2155 *****************************************************************************************/
2157 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2159 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2160 int ic = emap.FindIndex(e);
2165 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2167 if (HasSizeMapOnEdge){
2168 edgeKey = EdgesWithSizeMap.FindIndex(e);
2169 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2171 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2172 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2174 // Expr To Python function, verification is performed at validation in GUI
2175 gstate = PyGILState_Ensure();
2176 PyObject * obj = NULL;
2177 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2179 PyObject * func = NULL;
2180 func = PyObject_GetAttrString(main_mod, "f");
2181 EdgeId2PythonSmp[ic]=func;
2182 EdgeId2SizeMap.erase(edgeKey);
2183 PyGILState_Release(gstate);
2186 /* data of nodes existing on the edge */
2187 StdMeshers_FaceSidePtr nodeData;
2188 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2189 if ( !sm->IsEmpty() )
2191 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2192 // /*complexFirst=*/false);
2193 // while ( subsmIt->more() )
2194 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2195 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2197 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2198 /*ignoreMedium=*/haveQuadraticSubMesh));
2199 if ( nodeData->MissVertexNode() )
2200 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2202 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2203 if ( !nodeDataVec.empty() )
2205 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2207 nodeData->Reverse();
2208 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2210 // tmin and tmax can change in case of viscous layer on an adjacent edge
2211 tmin = nodeDataVec.front().param;
2212 tmax = nodeDataVec.back().param;
2216 cout << "---------------- Invalid nodeData" << endl;
2221 /* attach the edge to the current cadsurf face */
2222 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2224 /* by default an edge has no tag (color).
2225 The following call sets it to the same value as the edge_id : */
2226 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2227 bool isInHyperPatch = false;
2229 std::set< int > faceTags, faceIDs;
2230 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2231 for ( ; fIt.More(); fIt.Next() )
2233 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2234 if ( !faceIDs.insert( faceTag ).second )
2235 continue; // a face encounters twice for a seam edge
2236 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2237 if ( !faceTags.insert( hpTag ).second )
2239 isInHyperPatch = true;
2244 if ( !isInHyperPatch )
2245 cad_edge_set_tag(edg, ic);
2247 /* by default, an edge does not necessalry appear in the resulting mesh,
2248 unless the following property is set :
2250 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2252 /* by default an edge is a boundary edge */
2253 if (e.Orientation() == TopAbs_INTERNAL)
2254 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2256 // pass existing nodes of sub-meshes to MG-CADSurf
2259 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2260 const int nbNodes = nodeDataVec.size();
2262 dcad_edge_discretization_t *dedge;
2263 dcad_get_edge_discretization(dcad, edg, &dedge);
2264 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2266 // cout << endl << " EDGE " << ic << endl;
2267 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2268 for ( int iN = 0; iN < nbNodes; ++iN )
2270 const UVPtStruct& nData = nodeDataVec[ iN ];
2271 double t = nData.param;
2272 real uv[2] = { nData.u, nData.v };
2273 SMESH_TNodeXYZ nXYZ( nData.node );
2274 // cout << "\tt = " << t
2275 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2276 // << "\t u = " << nData.param
2277 // << "\t ID = " << nData.node->GetID() << endl;
2278 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ._xyz );
2280 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2283 /****************************************************************************************
2285 *****************************************************************************************/
2289 gp_Pnt2d e0 = curves.back()->Value(tmin);
2290 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2291 Standard_Real d1=0,d2=0;
2294 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2295 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2299 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2302 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2304 *ip = pmap.FindIndex(v);
2307 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2308 // if ( sm->IsMeshComputed() )
2309 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2312 // std::string aFileName = "fmap_vertex_";
2313 // aFileName.append(val_to_string(*ip));
2314 // aFileName.append(".brep");
2315 // BRepTools::Write(v,aFileName.c_str());
2317 if (HasSizeMapOnVertex){
2318 vertexKey = VerticesWithSizeMap.FindIndex(v);
2319 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2320 theSizeMapStr = VertexId2SizeMap[vertexKey];
2321 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2323 // Expr To Python function, verification is performed at validation in GUI
2324 gstate = PyGILState_Ensure();
2325 PyObject * obj = NULL;
2326 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2328 PyObject * func = NULL;
2329 func = PyObject_GetAttrString(main_mod, "f");
2330 VertexId2PythonSmp[*ip]=func;
2331 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2332 PyGILState_Release(gstate);
2337 // should not happen
2338 MESSAGE("An edge does not have 2 extremities.");
2341 // This defines the curves extremity connectivity
2342 cad_edge_set_extremities(edg, ip1, ip2);
2343 /* set the tag (color) to the same value as the extremity id : */
2344 cad_edge_set_extremities_tag(edg, ip1, ip2);
2347 cad_edge_set_extremities(edg, ip2, ip1);
2348 cad_edge_set_extremities_tag(edg, ip2, ip1);
2354 // Clear mesh from already meshed edges if possible else
2355 // remember that merge is needed
2356 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2357 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2359 SMESHDS_SubMesh* smDS = *smIt;
2360 if ( !smDS ) continue;
2361 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2364 const SMDS_MeshNode* n = nIt->next();
2365 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2367 needMerge = true; // to correctly sew with viscous mesh
2368 // add existing medium nodes to helper
2369 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2371 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2372 while ( edgeIt->more() )
2373 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2378 if ( allowSubMeshClearing )
2380 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2381 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2382 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2383 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2392 ///////////////////////
2394 ///////////////////////
2396 if (! _preCadFacesIDsPeriodicityVector.empty())
2398 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2399 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2400 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2401 int* theFace1_ids_c = &theFace1_ids[0];
2402 int* theFace2_ids_c = &theFace2_ids[0];
2403 std::ostringstream o;
2404 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2405 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2406 o << theFace1_ids[j] << ", ";
2408 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2409 o << theFace2_ids[j] << ", ";
2411 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2412 // cout << o.str() << endl;
2413 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2415 // If no source points, call periodicity without transformation function
2416 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2417 status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2418 theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2419 if(status != STATUS_OK)
2420 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2424 // get the transformation vertices
2425 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2426 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2427 int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2428 int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2430 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2431 theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2432 if(status != STATUS_OK)
2433 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2438 if (! _preCadEdgesIDsPeriodicityVector.empty())
2440 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2441 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2442 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2443 // Use the address of the first element of the vector to initialize the array
2444 int* theEdge1_ids_c = &theEdge1_ids[0];
2445 int* theEdge2_ids_c = &theEdge2_ids[0];
2447 std::ostringstream o;
2448 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2449 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2450 o << theEdge1_ids[j] << ", ";
2452 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2453 o << theEdge2_ids[j] << ", ";
2455 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2456 // cout << o.str() << endl;
2458 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2460 // If no source points, call periodicity without transformation function
2461 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2462 status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2463 theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2464 if(status != STATUS_OK)
2465 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2469 // get the transformation vertices
2470 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2471 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2472 int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2473 int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2475 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2476 theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2477 if(status != STATUS_OK)
2478 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2484 // TODO: be able to use a mesh in input.
2485 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2486 // => cadsurf_set_mesh
2488 // Use the original dcad
2489 cadsurf_set_dcad(css, dcad);
2491 // Use the original cad
2492 cadsurf_set_cad(css, c);
2494 std::cout << std::endl;
2495 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2496 std::cout << std::endl;
2501 status = cadsurf_compute_mesh(css);
2504 catch ( std::exception& exc ) {
2505 _comment += exc.what();
2507 catch (Standard_Failure& ex) {
2508 _comment += ex.DynamicType()->Name();
2509 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2511 _comment += ex.GetMessageString();
2515 if ( _comment.empty() )
2516 _comment = "Exception in cadsurf_compute_mesh()";
2519 std::cout << std::endl;
2520 std::cout << "End of Surface Mesh generation" << std::endl;
2521 std::cout << std::endl;
2524 cadsurf_get_mesh(css, &msh);
2526 /* release the mesh object */
2527 cadsurf_regain_mesh(css, msh);
2528 return error(_comment);
2531 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2533 GMFFileName = _hypothesis->GetGMFFile();
2534 if (GMFFileName != "") {
2535 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2536 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2537 if (!asciiFound && !binaryFound)
2538 GMFFileName.append(".mesh");
2539 mesh_write_mesh(msh, GMFFileName.c_str());
2542 /* retrieve mesh data (see meshgems/mesh.h) */
2543 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2544 integer *evedg, *evtri, *evquad, *tags_buff, type;
2547 mesh_get_vertex_count(msh, &nv);
2548 mesh_get_edge_count(msh, &ne);
2549 mesh_get_triangle_count(msh, &nt);
2550 mesh_get_quadrangle_count(msh, &nq);
2552 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2553 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2554 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2555 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2557 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2558 std::vector<bool> tags(nv+1);
2560 /* enumerated vertices */
2561 for(int iv=1;iv<=nv;iv++) {
2562 mesh_get_vertex_coordinates(msh, iv, xyz);
2563 mesh_get_vertex_tag(msh, iv, &tag);
2564 // Issue 0020656. Use vertex coordinates
2566 if ( tag > 0 && tag <= pmap.Extent() ) {
2567 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2568 double tol = BRep_Tool::Tolerance( v );
2569 gp_Pnt p = BRep_Tool::Pnt( v );
2570 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2571 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2573 tag = 0; // enforced or attracted vertex
2574 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2577 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2579 // Create group of enforced vertices if requested
2580 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2582 projVertex.push_back((double)xyz[0]);
2583 projVertex.push_back((double)xyz[1]);
2584 projVertex.push_back((double)xyz[2]);
2585 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2586 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2588 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2589 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2590 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2591 currentEnfVertex = (*enfListIt);
2592 if (currentEnfVertex->grpName != "") {
2593 bool groupDone = false;
2594 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2595 while (grIt->more()) {
2596 SMESH_Group * group = grIt->next();
2597 if ( !group ) continue;
2598 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2599 if ( !groupDS ) continue;
2600 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2601 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2602 aGroupDS->SMDSGroup().Add(nodes[iv]);
2603 // How can I inform the hypothesis ?
2604 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2612 SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2613 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2614 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2615 aGroupDS->SMDSGroup().Add(nodes[iv]);
2619 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2622 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2626 // internal points are tagged to zero
2627 if(tag > 0 && tag <= pmap.Extent() ){
2628 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2635 /* enumerate edges */
2636 for(int it=1;it<=ne;it++) {
2638 mesh_get_edge_vertices(msh, it, vtx);
2639 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2640 mesh_get_edge_tag(msh, it, &tag);
2642 // If PreCAD performed some cleaning operations (remove tiny edges,
2643 // merge edges ...) an output tag can indeed represent several original tags.
2644 // Get the initial tags corresponding to the output tag and redefine the tag as
2645 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2646 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2648 tag=tags_buff[nb_tag-1];
2649 if ( tag < 1 || tag > emap.Extent() )
2651 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2652 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2656 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2657 tags[vtx[0]] = false;
2660 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2661 tags[vtx[1]] = false;
2663 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2665 if (tags[evedg[0]]) {
2666 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2667 tags[evedg[0]] = false;
2669 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2672 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2674 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2677 /* enumerate triangles */
2678 for(int it=1;it<=nt;it++) {
2680 mesh_get_triangle_vertices(msh, it, vtx);
2681 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2682 mesh_get_triangle_tag(msh, it, &tag);
2684 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2685 tags[vtx[0]] = false;
2688 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2689 tags[vtx[1]] = false;
2692 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2693 tags[vtx[2]] = false;
2695 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2696 // QUADRATIC TRIANGLE
2697 if (tags[evtri[0]]) {
2698 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2699 tags[evtri[0]] = false;
2701 if (tags[evtri[1]]) {
2702 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2703 tags[evtri[1]] = false;
2705 if (tags[evtri[2]]) {
2706 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2707 tags[evtri[2]] = false;
2709 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2710 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2713 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2715 meshDS->SetMeshElementOnShape(tri, tag);
2718 /* enumerate quadrangles */
2719 for(int it=1;it<=nq;it++) {
2720 SMDS_MeshFace* quad;
2721 mesh_get_quadrangle_vertices(msh, it, vtx);
2722 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2723 mesh_get_quadrangle_tag(msh, it, &tag);
2725 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2726 tags[vtx[0]] = false;
2729 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2730 tags[vtx[1]] = false;
2733 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2734 tags[vtx[2]] = false;
2737 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2738 tags[vtx[3]] = false;
2740 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2741 // QUADRATIC QUADRANGLE
2742 std::cout << "This is a quadratic quadrangle" << std::endl;
2743 if (tags[evquad[0]]) {
2744 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2745 tags[evquad[0]] = false;
2747 if (tags[evquad[1]]) {
2748 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2749 tags[evquad[1]] = false;
2751 if (tags[evquad[2]]) {
2752 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2753 tags[evquad[2]] = false;
2755 if (tags[evquad[3]]) {
2756 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2757 tags[evquad[3]] = false;
2759 if (tags[evquad[4]]) {
2760 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2761 tags[evquad[4]] = false;
2763 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2764 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2768 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2770 meshDS->SetMeshElementOnShape(quad, tag);
2773 /* release the mesh object, the rest is released by cleaner */
2774 cadsurf_regain_mesh(css, msh);
2777 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2778 for(int iv=1;iv<=nv;iv++)
2779 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2780 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2783 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2785 SMESH_MeshEditor editor( &aMesh );
2786 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2787 TIDSortedElemSet segementsOnEdge;
2788 TSubMeshSet::iterator smIt;
2789 SMESHDS_SubMesh* smDS;
2791 // merge nodes on EDGE's with ones computed by MG-CADSurf
2792 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2794 if (! (smDS = *smIt) ) continue;
2795 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2797 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2798 while ( segIt->more() )
2799 segementsOnEdge.insert( segIt->next() );
2802 editor.MergeNodes( nodeGroupsToMerge );
2805 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2806 editor.FindEqualElements( segementsOnEdge, equalSegments );
2807 editor.MergeElements( equalSegments );
2809 // remove excess segments created on the boundary of viscous layers
2810 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2811 for ( int i = 1; i <= emap.Extent(); ++i )
2813 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2815 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2816 while ( segIt->more() )
2818 const SMDS_MeshElement* seg = segIt->next();
2819 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2820 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2821 meshDS->RemoveFreeElement( seg, smDS );
2828 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2829 for (int i = 1; i <= emap.Extent(); i++)
2830 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2831 sm->SetIsAlwaysComputed( true );
2832 for (int i = 1; i <= pmap.Extent(); i++)
2833 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2834 if ( !sm->IsMeshComputed() )
2835 sm->SetIsAlwaysComputed( true );
2837 // Set error to FACE's w/o elements
2838 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2839 if ( _comment.empty() && status == STATUS_OK )
2841 err = COMPERR_WARNING;
2842 _comment = "No mesh elements assigned to a face";
2844 bool badFaceFound = false;
2845 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2847 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2848 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2849 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2851 int faceTag = sm->GetId();
2852 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2854 // triangles are assigned to the first face of hyper-patch
2855 sm->SetIsAlwaysComputed( true );
2859 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2860 badFaceFound = true;
2864 if ( err == COMPERR_WARNING )
2868 if ( status != STATUS_OK && !badFaceFound ) {
2872 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2874 if ( oldFEFlags > 0 )
2875 feenableexcept( oldFEFlags );
2876 feclearexcept( FE_ALL_EXCEPT );
2880 std::cout << "FacesWithSizeMap" << std::endl;
2881 FacesWithSizeMap.Statistics(std::cout);
2882 std::cout << "EdgesWithSizeMap" << std::endl;
2883 EdgesWithSizeMap.Statistics(std::cout);
2884 std::cout << "VerticesWithSizeMap" << std::endl;
2885 VerticesWithSizeMap.Statistics(std::cout);
2886 std::cout << "FacesWithEnforcedVertices" << std::endl;
2887 FacesWithEnforcedVertices.Statistics(std::cout);
2890 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2893 //================================================================================
2895 * \brief Compute a mesh basing on discrete CAD description
2897 //================================================================================
2899 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2901 if ( aMesh.NbFaces() == 0 )
2902 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2904 context_t *ctx = context_new();
2905 if (!ctx) return error("Pb in context_new()");
2907 BLSURF_Cleaner cleaner( ctx );
2909 message_cb_user_data mcud;
2910 mcud._error = & this->SMESH_Algo::_comment;
2911 mcud._progress = & this->SMESH_Algo::_progress;
2913 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
2914 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
2915 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
2917 cadsurf_session_t * css = cadsurf_session_new(ctx);
2918 if(!css) return error( "Pb. in cadsurf_session_new() " );
2922 // Fill an input mesh
2924 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
2925 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
2927 // mark nodes used by 2D elements
2928 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
2929 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
2930 while ( nodeIt->more() )
2932 const SMDS_MeshNode* n = nodeIt->next();
2933 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
2935 meshgems_mesh_set_vertex_count( msh, meshDS->NbNodes() );
2937 // set node coordinates
2938 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
2940 meshDS->compactMesh();
2942 SMESH_TNodeXYZ nXYZ;
2943 nodeIt = meshDS->nodesIterator();
2945 for ( i = 1; nodeIt->more(); ++i )
2947 nXYZ.Set( nodeIt->next() );
2948 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ._xyz );
2951 // set nodes of faces
2952 meshgems_mesh_set_triangle_count ( msh, meshDS->GetMeshInfo().NbTriangles() );
2953 meshgems_mesh_set_quadrangle_count( msh, meshDS->GetMeshInfo().NbQuadrangles() );
2954 meshgems_integer nodeIDs[4];
2955 meshgems_integer iT = 1, iQ = 1;
2956 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
2957 while ( faceIt->more() )
2959 const SMDS_MeshElement* face = faceIt->next();
2960 meshgems_integer nbNodes = face->NbCornerNodes();
2961 if ( nbNodes > 4 || face->IsPoly() ) continue;
2963 for ( i = 0; i < nbNodes; ++i )
2964 nodeIDs[i] = face->GetNode( i )->GetID();
2966 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
2968 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
2971 ret = cadsurf_set_mesh(css, msh);
2972 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
2977 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
2979 ret = cadsurf_compute_mesh(css);
2980 if ( ret != STATUS_OK ) return false;
2983 cadsurf_get_mesh(css, &omsh);
2984 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
2987 // Update SALOME mesh
2989 // remove quadrangles and triangles
2990 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
2992 const SMDS_MeshElement* face = faceIt->next();
2993 if ( !face->IsPoly() )
2994 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
2996 // remove edges that bound the just removed faces
2997 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
2999 const SMDS_MeshElement* edge = edgeIt->next();
3000 const SMDS_MeshNode* n0 = edge->GetNode(0);
3001 const SMDS_MeshNode* n1 = edge->GetNode(1);
3002 if ( n0->isMarked() &&
3004 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
3005 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
3006 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
3008 // remove nodes that just became free
3009 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3011 const SMDS_MeshNode* n = nodeIt->next();
3012 if ( n->isMarked() && n->NbInverseElements() == 0 )
3013 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3017 meshgems_integer nbvtx = 0, nodeID;
3018 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3019 meshgems_real xyz[3];
3020 for ( i = 1; i <= nbvtx; ++i )
3022 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3023 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3024 nodeID = n->GetID();
3025 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3029 meshgems_integer nbtri = 0;
3030 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3031 const SMDS_MeshNode* nodes[3];
3032 for ( i = 1; i <= nbtri; ++i )
3034 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3035 for ( int j = 0; j < 3; ++j )
3037 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3038 nodes[j] = meshDS->FindNode( nodeID );
3040 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3043 cadsurf_regain_mesh(css, omsh);
3045 // as we don't assign the new triangles to a shape (the pseudo-shape),
3046 // we mark the shape as always computed to avoid the error messages
3047 // that no elements assigned to the shape
3048 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3053 //================================================================================
3055 * \brief Terminates computation
3057 //================================================================================
3059 void BLSURFPlugin_BLSURF::CancelCompute()
3061 _compute_canceled = true;
3064 //=============================================================================
3068 //=============================================================================
3070 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3071 const SMDS_MeshNode* node,
3072 const TopoDS_Shape& ed)
3074 const TopoDS_Edge edge = TopoDS::Edge(ed);
3076 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3078 Standard_Real p0 = 0.0;
3079 Standard_Real p1 = 1.0;
3080 TopLoc_Location loc;
3081 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3082 if ( curve.IsNull() )
3084 // issue 22499. Node at a sphere apex
3085 meshDS->SetNodeOnEdge(node, edge, p0);
3089 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3090 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3093 if ( proj.NbPoints() > 0 )
3095 pa = (double)proj.LowerDistanceParameter();
3096 // Issue 0020656. Move node if it is too far from edge
3097 gp_Pnt curve_pnt = curve->Value( pa );
3098 double dist2 = pnt.SquareDistance( curve_pnt );
3099 double tol = BRep_Tool::Tolerance( edge );
3100 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3102 curve_pnt.Transform( loc );
3103 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3107 meshDS->SetNodeOnEdge(node, edge, pa);
3110 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3112 * NOTE : if when your CAD systems evaluates second
3113 * order derivatives it also computes first order derivatives and
3114 * function evaluation, you can optimize this example by making only
3115 * one CAD call and filling the necessary uv, dt, dtt arrays.
3117 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3119 /* t is given. It contains the t (time) 1D parametric coordintaes
3120 of the point PreCAD/MG-CADSurf is querying on the curve */
3122 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
3123 * (see cad_edge_new later in this example) */
3124 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3127 /* MG-CADSurf is querying the function evaluation */
3130 uv[0]=P.X(); uv[1]=P.Y();
3134 /* query for the first order derivatives */
3137 dt[0]=V1.X(); dt[1]=V1.Y();
3141 /* query for the second order derivatives */
3144 dtt[0]=V2.X(); dtt[1]=V2.Y();
3150 /* Surface definition function.
3151 * See cad_surf_t in file meshgems/cad.h for more information.
3152 * NOTE : if when your CAD systems evaluates second order derivatives it also
3153 * computes first order derivatives and function evaluation, you can optimize
3154 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3157 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3158 real *duu, real *duv, real *dvv, void *user_data)
3160 /* uv[2] is given. It contains the u,v coordinates of the point
3161 * PreCAD/MG-CADSurf is querying on the surface */
3163 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3164 * cad_face_new later in this example)*/
3165 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3169 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3170 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3177 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3178 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3179 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3182 if(duu && duv && dvv){
3186 gp_Vec D2U,D2V,D2UV;
3188 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3189 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3190 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3191 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3198 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3200 TId2ClsAttractorVec::iterator f2attVec;
3201 if (FaceId2PythonSmp.count(face_id) != 0){
3202 assert(Py_IsInitialized());
3203 PyGILState_STATE gstate;
3204 gstate = PyGILState_Ensure();
3205 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3207 if ( pyresult != NULL) {
3208 result = PyFloat_AsDouble(pyresult);
3209 Py_DECREF(pyresult);
3214 string err_description="";
3215 PyObject* new_stderr = newPyStdOut(err_description);
3216 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3217 Py_INCREF(old_stderr);
3218 PySys_SetObject((char*)"stderr", new_stderr);
3220 PySys_SetObject((char*)"stderr", old_stderr);
3221 Py_DECREF(new_stderr);
3222 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3223 result = *((real*)user_data);
3226 PyGILState_Release(gstate);
3228 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3232 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3233 for ( size_t i = 0; i < attVec.size(); ++i )
3235 //result += attVec[i]->GetSize(uv[0],uv[1]);
3236 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3238 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3242 *size = *((real*)user_data);
3244 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3248 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3250 if (EdgeId2PythonSmp.count(edge_id) != 0){
3251 assert(Py_IsInitialized());
3252 PyGILState_STATE gstate;
3253 gstate = PyGILState_Ensure();
3254 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3256 if ( pyresult != NULL) {
3257 result = PyFloat_AsDouble(pyresult);
3258 Py_DECREF(pyresult);
3263 string err_description="";
3264 PyObject* new_stderr = newPyStdOut(err_description);
3265 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3266 Py_INCREF(old_stderr);
3267 PySys_SetObject((char*)"stderr", new_stderr);
3269 PySys_SetObject((char*)"stderr", old_stderr);
3270 Py_DECREF(new_stderr);
3271 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3272 result = *((real*)user_data);
3275 PyGILState_Release(gstate);
3278 *size = *((real*)user_data);
3283 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3285 if (VertexId2PythonSmp.count(point_id) != 0){
3286 assert(Py_IsInitialized());
3287 PyGILState_STATE gstate;
3288 gstate = PyGILState_Ensure();
3289 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3291 if ( pyresult != NULL) {
3292 result = PyFloat_AsDouble(pyresult);
3293 Py_DECREF(pyresult);
3298 string err_description="";
3299 PyObject* new_stderr = newPyStdOut(err_description);
3300 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3301 Py_INCREF(old_stderr);
3302 PySys_SetObject((char*)"stderr", new_stderr);
3304 PySys_SetObject((char*)"stderr", old_stderr);
3305 Py_DECREF(new_stderr);
3306 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3307 result = *((real*)user_data);
3310 PyGILState_Release(gstate);
3313 *size = *((real*)user_data);
3319 * The following function will be called for PreCAD/MG-CADSurf message
3320 * printing. See context_set_message_callback (later in this
3321 * template) for how to set user_data.
3323 status_t message_cb(message_t *msg, void *user_data)
3325 integer errnumber = 0;
3327 message_get_number(msg, &errnumber);
3328 message_get_description(msg, &desc);
3330 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3331 // Get all the error message and some warning messages related to license and periodicity
3332 if ( errnumber < 0 ||
3333 err.find("license" ) != string::npos ||
3334 err.find("periodicity") != string::npos )
3336 // remove ^A from the tail
3337 int len = strlen( desc );
3338 while (len > 0 && desc[len-1] != '\n')
3340 mcud->_error->append( desc, len );
3343 if ( errnumber == 3009001 )
3344 * mcud->_progress = atof( desc + 11 ) / 100.;
3345 if ( mcud->_verbosity > 0 )
3346 std::cout << desc << std::endl;
3351 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3352 * function regularily. See the file meshgems/interrupt.h
3354 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3356 integer you_want_to_continue = 1;
3357 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3358 you_want_to_continue = !tmp->computeCanceled();
3360 if(you_want_to_continue)
3362 *interrupt_status = INTERRUPT_CONTINUE;
3365 else /* you want to stop MG-CADSurf */
3367 *interrupt_status = INTERRUPT_STOP;
3368 return STATUS_ERROR;
3372 //=============================================================================
3376 //=============================================================================
3377 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3378 const TopoDS_Shape& aShape,
3379 MapShapeNbElems& aResMap)
3381 double diagonal = aMesh.GetShapeDiagonalSize();
3382 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3383 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3384 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3385 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3386 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3387 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3388 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3390 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3391 _phySizeRel = _hypothesis->IsPhySizeRel();
3392 if ( _hypothesis->GetPhySize() > 0)
3393 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3394 //_geometricMesh = (int) hyp->GetGeometricMesh();
3395 if (_hypothesis->GetAngleMesh() > 0)
3396 _angleMesh = _hypothesis->GetAngleMesh();
3397 _elementType = _hypothesis->GetElementType();
3399 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3400 // GetDefaultPhySize() sometimes leads to computation failure
3401 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3404 bool IsQuadratic = _quadraticMesh;
3409 TopTools_DataMapOfShapeInteger EdgesMap;
3410 double fullLen = 0.0;
3411 double fullNbSeg = 0;
3412 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3413 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3414 if( EdgesMap.IsBound(E) )
3416 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3417 double aLen = SMESH_Algo::EdgeLength(E);
3420 if(_physicalMesh==1) {
3421 nb1d = (int)( aLen/_phySize + 1 );
3426 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3427 double fullAng = 0.0;
3428 double dp = (l-f)/200;
3433 for(int j=2; j<=200; j++) {
3436 fullAng += fabs(V1.Angle(V2));
3440 nb1d = (int)( fullAng/_angleMesh + 1 );
3443 std::vector<int> aVec(SMDSEntity_Last);
3444 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3445 if( IsQuadratic > 0 ) {
3446 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3447 aVec[SMDSEntity_Quad_Edge] = nb1d;
3450 aVec[SMDSEntity_Node] = nb1d - 1;
3451 aVec[SMDSEntity_Edge] = nb1d;
3453 aResMap.insert(std::make_pair(sm,aVec));
3454 EdgesMap.Bind(E,nb1d);
3456 double ELen = fullLen/fullNbSeg;
3460 // try to evaluate as in MEFISTO
3461 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3462 TopoDS_Face F = TopoDS::Face( exp.Current() );
3463 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3465 BRepGProp::SurfaceProperties(F,G);
3466 double anArea = G.Mass();
3468 std::vector<int> nb1dVec;
3469 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3470 int nbSeg = EdgesMap.Find(exp1.Current());
3472 nb1dVec.push_back( nbSeg );
3475 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3476 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3477 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3479 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3481 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3483 nbNodes = (n1 + 1) * (n2 + 1);
3488 nbTria = nbQuad = nbTria / 3 + 1;
3491 std::vector<int> aVec(SMDSEntity_Last,0);
3493 int nb1d_in = (nbTria*3 - nb1d) / 2;
3494 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3495 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3496 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3499 aVec[SMDSEntity_Node] = nbNodes;
3500 aVec[SMDSEntity_Triangle] = nbTria;
3501 aVec[SMDSEntity_Quadrangle] = nbQuad;
3503 aResMap.insert(std::make_pair(sm,aVec));
3510 BRepGProp::VolumeProperties(aShape,G);
3511 double aVolume = G.Mass();
3512 double tetrVol = 0.1179*ELen*ELen*ELen;
3513 int nbVols = int(aVolume/tetrVol);
3514 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3515 std::vector<int> aVec(SMDSEntity_Last);
3516 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3518 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3519 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3522 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3523 aVec[SMDSEntity_Tetra] = nbVols;
3525 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3526 aResMap.insert(std::make_pair(sm,aVec));