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>
40 #include <Basics_OCCTVersion.hxx>
42 #include <SMDS_EdgePosition.hxx>
43 #include <SMESHDS_Group.hxx>
44 #include <SMESH_Gen.hxx>
45 #include <SMESH_Group.hxx>
46 #include <SMESH_Mesh.hxx>
47 #include <SMESH_MeshEditor.hxx>
48 #include <SMESH_MesherHelper.hxx>
49 #include <StdMeshers_FaceSide.hxx>
50 #include <StdMeshers_ViscousLayers2D.hxx>
51 #include <SMESH_File.hxx>
53 #include <utilities.h>
61 // OPENCASCADE includes
62 #include <BRepBuilderAPI_MakeFace.hxx>
63 #include <BRepBuilderAPI_MakePolygon.hxx>
64 #include <BRepBuilderAPI_MakeWire.hxx>
65 #include <BRepGProp.hxx>
66 #include <BRepTools.hxx>
67 #include <BRep_Builder.hxx>
68 #include <BRep_Tool.hxx>
69 #include <GProp_GProps.hxx>
70 #include <Geom2d_Curve.hxx>
71 #include <Geom2d_Line.hxx>
72 #include <GeomAPI_ProjectPointOnCurve.hxx>
73 #include <GeomAPI_ProjectPointOnSurf.hxx>
74 #include <Geom_Curve.hxx>
75 #include <Geom_Surface.hxx>
76 #include <NCollection_DataMap.hxx>
77 #include <NCollection_Map.hxx>
78 #include <Standard_ErrorHandler.hxx>
80 #include <TopExp_Explorer.hxx>
81 #include <TopTools_DataMapOfShapeInteger.hxx>
82 #include <TopTools_IndexedMapOfShape.hxx>
83 #include <TopTools_MapOfShape.hxx>
85 #include <TopoDS_Compound.hxx>
86 #include <TopoDS_Edge.hxx>
87 #include <TopoDS_Face.hxx>
88 #include <TopoDS_Shape.hxx>
89 #include <TopoDS_Vertex.hxx>
90 #include <TopoDS_Wire.hxx>
92 #include <gp_Pnt2d.hxx>
102 /* ==================================
103 * =========== PYTHON ==============
104 * ==================================*/
115 PyStdOut_dealloc(PyStdOut *self)
121 PyStdOut_write(PyStdOut *self, PyObject *args)
125 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
128 *(self->out)=*(self->out)+c;
134 static PyMethodDef PyStdOut_methods[] = {
135 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
136 PyDoc_STR("write(string) -> None")},
137 {NULL, NULL} /* sentinel */
140 static PyMemberDef PyStdOut_memberlist[] = {
141 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
142 (char*)"flag indicating that a space needs to be printed; used by print"},
143 {NULL} /* Sentinel */
146 static PyTypeObject PyStdOut_Type = {
147 /* The ob_type field must be initialized in the module init function
148 * to be portable to Windows without using C++. */
149 PyObject_HEAD_INIT(NULL)
152 sizeof(PyStdOut), /*tp_basicsize*/
155 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
162 0, /*tp_as_sequence*/
167 PyObject_GenericGetAttr, /*tp_getattro*/
168 /* softspace is writable: we must supply tp_setattro */
169 PyObject_GenericSetAttr, /* tp_setattro */
171 Py_TPFLAGS_DEFAULT, /*tp_flags*/
175 0, /*tp_richcompare*/
176 0, /*tp_weaklistoffset*/
179 PyStdOut_methods, /*tp_methods*/
180 PyStdOut_memberlist, /*tp_members*/
194 PyObject * newPyStdOut( std::string& out )
196 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
201 return (PyObject*)self;
206 ////////////////////////END PYTHON///////////////////////////
208 //////////////////MY MAPS////////////////////////////////////////
210 TopTools_IndexedMapOfShape FacesWithSizeMap;
211 std::map<int,string> FaceId2SizeMap;
212 TopTools_IndexedMapOfShape EdgesWithSizeMap;
213 std::map<int,string> EdgeId2SizeMap;
214 TopTools_IndexedMapOfShape VerticesWithSizeMap;
215 std::map<int,string> VertexId2SizeMap;
217 std::map<int,PyObject*> FaceId2PythonSmp;
218 std::map<int,PyObject*> EdgeId2PythonSmp;
219 std::map<int,PyObject*> VertexId2PythonSmp;
221 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
222 TId2ClsAttractorVec FaceId2ClassAttractor;
223 TId2ClsAttractorVec FaceIndex2ClassAttractor;
224 std::map<int,std::vector<double> > FaceId2AttractorCoords;
227 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
228 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
229 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
230 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
231 SMESH_MesherHelper* theHelper;
233 bool HasSizeMapOnFace=false;
234 bool HasSizeMapOnEdge=false;
235 bool HasSizeMapOnVertex=false;
236 //bool HasAttractorOnFace=false;
238 //=============================================================================
242 //=============================================================================
244 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
248 : SMESH_2D_Algo(hypId, studyId, gen)
250 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
251 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
252 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
254 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
255 _requireDiscreteBoundary = false;
256 _onlyUnaryInput = false;
258 _supportSubmeshes = true;
259 _requireShape = theHasGEOM;
261 smeshGen_i = SMESH_Gen_i::GetSMESHGen();
262 CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
263 SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
266 myStudy = aStudyMgr->GetStudyByID(_studyId);
268 /* Initialize the Python interpreter */
269 assert(Py_IsInitialized());
270 PyGILState_STATE gstate;
271 gstate = PyGILState_Ensure();
274 main_mod = PyImport_AddModule("__main__");
277 main_dict = PyModule_GetDict(main_mod);
279 PyRun_SimpleString("from math import *");
280 PyGILState_Release(gstate);
282 FacesWithSizeMap.Clear();
283 FaceId2SizeMap.clear();
284 EdgesWithSizeMap.Clear();
285 EdgeId2SizeMap.clear();
286 VerticesWithSizeMap.Clear();
287 VertexId2SizeMap.clear();
288 FaceId2PythonSmp.clear();
289 EdgeId2PythonSmp.clear();
290 VertexId2PythonSmp.clear();
291 FaceId2AttractorCoords.clear();
292 FaceId2ClassAttractor.clear();
293 FaceIndex2ClassAttractor.clear();
294 FacesWithEnforcedVertices.Clear();
295 FaceId2EnforcedVertexCoords.clear();
296 EnfVertexCoords2ProjVertex.clear();
297 EnfVertexCoords2EnfVertexList.clear();
299 _compute_canceled = false;
302 //=============================================================================
306 //=============================================================================
308 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
313 //=============================================================================
317 //=============================================================================
319 bool BLSURFPlugin_BLSURF::CheckHypothesis
321 const TopoDS_Shape& aShape,
322 SMESH_Hypothesis::Hypothesis_Status& aStatus)
325 _haveViscousLayers = false;
327 list<const SMESHDS_Hypothesis*>::const_iterator itl;
328 const SMESHDS_Hypothesis* theHyp;
330 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
331 /*ignoreAuxiliary=*/false);
332 aStatus = SMESH_Hypothesis::HYP_OK;
335 return true; // can work with no hypothesis
338 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
341 string hypName = theHyp->GetName();
342 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
343 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
345 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
347 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
348 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
349 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
350 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
352 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
354 if ( !_haveViscousLayers )
356 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
357 _haveViscousLayers = true;
362 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
365 return aStatus == SMESH_Hypothesis::HYP_OK;
368 //=============================================================================
370 * Pass parameters to MG-CADSurf
372 //=============================================================================
374 inline std::string val_to_string(double d)
376 std::ostringstream o;
381 inline std::string val_to_string_rel(double d)
383 std::ostringstream o;
389 inline std::string val_to_string(int i)
391 std::ostringstream o;
396 inline std::string val_to_string_rel(int i)
398 std::ostringstream o;
404 double _smp_phy_size;
405 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
406 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
407 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
414 /////////////////////////////////////////////////////////
416 projectionPoint getProjectionPoint(TopoDS_Face& theFace, const gp_Pnt& thePoint)
418 projectionPoint myPoint;
420 if ( theFace.IsNull() )
422 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
423 TopTools_MapOfShape checkedFaces;
424 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
426 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
428 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
429 if ( !checkedFaces.Add( face )) continue;
431 // check distance to face
432 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
433 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
434 double distance = surface->Gap();
435 if ( distance > Precision::Confusion() )
437 // the face is far, store for future analysis
438 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
442 // check location on the face
443 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
444 if ( FC.State() == TopAbs_IN )
446 if ( !foundFace.IsNull() )
447 return myPoint; // thePoint seems to be TopAbs_ON
449 myPoint.uv = uv.XY();
450 myPoint.xyz = surface->Value( uv ).XYZ();
453 if ( FC.State() == TopAbs_ON )
457 if ( foundFace.IsNull() )
459 // find the closest face
460 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
461 for ( ; d2f != dist2face.end(); ++d2f )
463 const TopoDS_Face& face = d2f->second.first;
464 const gp_Pnt2d & uv = d2f->second.second;
465 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
466 if ( FC.State() == TopAbs_IN )
469 myPoint.uv = uv.XY();
470 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
475 // set the resultShape
476 // if ( foundFace.IsNull() )
477 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
478 // "getProjectionPoint: can't find a face by a vertex");
479 theFace = TopoDS::Face( foundFace );
483 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
484 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
485 if ( !projector.IsDone() || projector.NbPoints()==0 )
486 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
487 "getProjectionPoint: can't project a vertex to a face");
490 projector.LowerDistanceParameters(u,v);
491 myPoint.uv = gp_XY(u,v);
492 gp_Pnt aPnt = projector.NearestPoint();
493 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
495 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
496 if ( FC.State() != TopAbs_IN )
503 /////////////////////////////////////////////////////////
504 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
507 if ( !entry.empty() )
509 GEOM::GEOM_Object_var aGeomObj;
510 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
511 if (!aSObj->_is_nil()) {
512 CORBA::Object_var obj = aSObj->GetObject();
513 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
516 if ( !aGeomObj->_is_nil() )
517 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
522 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
524 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
526 // Find the face and get the (u,v) values of the enforced vertex on the face
527 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
528 if ( faceShape.IsNull() )
531 enf_coords.push_back(aPnt.X());
532 enf_coords.push_back(aPnt.Y());
533 enf_coords.push_back(aPnt.Z());
535 coords.push_back(myPoint.uv.X());
536 coords.push_back(myPoint.uv.Y());
537 coords.push_back(myPoint.xyz.X());
538 coords.push_back(myPoint.xyz.Y());
539 coords.push_back(myPoint.xyz.Z());
541 s_coords.push_back(myPoint.xyz.X());
542 s_coords.push_back(myPoint.xyz.Y());
543 s_coords.push_back(myPoint.xyz.Z());
545 // Save pair projected vertex / enf vertex
546 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
547 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
548 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
549 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
550 if (ret.second == false) {
552 (*it)->grpName = enfVertex->grpName;
556 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
557 key = FacesWithEnforcedVertices.Add(faceShape);
560 key = FacesWithEnforcedVertices.FindIndex(faceShape);
563 // If a node is already created by an attractor, do not create enforced vertex
564 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
565 bool sameAttractor = false;
566 if (attractorKey >= 0)
567 if (FaceId2AttractorCoords.count(attractorKey) > 0)
568 if (FaceId2AttractorCoords[attractorKey] == coords)
569 sameAttractor = true;
571 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
573 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
576 if (! sameAttractor) {
577 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
579 FaceId2EnforcedVertexCoords[key] = ens;
584 /////////////////////////////////////////////////////////
585 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
587 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
590 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
592 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
593 enfVertex = *enfVertexListIt;
594 // Case of manual coords
595 if (enfVertex->coords.size() != 0) {
596 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
597 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
600 // Case of geom vertex coords
601 if (enfVertex->geomEntry != "") {
602 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
603 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
604 if (GeomType == TopAbs_VERTEX)
606 enfVertex->vertex = TopoDS::Vertex( GeomShape );
607 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
608 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
611 if (GeomType == TopAbs_COMPOUND)
613 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
614 if (it.Value().ShapeType() == TopAbs_VERTEX)
616 enfVertex->vertex = TopoDS::Vertex( it.Value() );
617 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
618 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
625 /////////////////////////////////////////////////////////
626 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
628 double xa, ya, za; // Coordinates of attractor point
629 double a, b; // Attractor parameter
631 bool createNode=false; // To create a node on attractor projection
633 const char *sep = ";";
634 // atIt->second has the following pattern:
635 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
637 // xa;ya;za : coordinates of attractor
638 // a : desired size on attractor
639 // b : distance of influence of attractor
640 // d : distance until which the size remains constant
642 // We search the parameters in the string
644 pos1 = AttractorFunction.find(sep);
645 if (pos1!=string::npos)
646 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
648 pos2 = AttractorFunction.find(sep, pos1+1);
649 if (pos2!=string::npos) {
650 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
654 pos2 = AttractorFunction.find(sep, pos1+1);
655 if (pos2!=string::npos) {
656 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
660 pos2 = AttractorFunction.find(sep, pos1+1);
661 if (pos2!=string::npos) {
662 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
666 pos2 = AttractorFunction.find(sep, pos1+1);
667 if (pos2!=string::npos) {
668 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
672 pos2 = AttractorFunction.find(sep, pos1+1);
673 if (pos2!=string::npos) {
674 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
675 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
679 pos2 = AttractorFunction.find(")");
680 if (pos2!=string::npos) {
681 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
684 // Get the (u,v) values of the attractor on the face
685 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
686 gp_XY uvPoint = myPoint.uv;
687 gp_XYZ xyzPoint = myPoint.xyz;
688 Standard_Real u0 = uvPoint.X();
689 Standard_Real v0 = uvPoint.Y();
690 Standard_Real x0 = xyzPoint.X();
691 Standard_Real y0 = xyzPoint.Y();
692 Standard_Real z0 = xyzPoint.Z();
693 std::vector<double> coords;
694 coords.push_back(u0);
695 coords.push_back(v0);
696 coords.push_back(x0);
697 coords.push_back(y0);
698 coords.push_back(z0);
699 // We construct the python function
700 ostringstream attractorFunctionStream;
701 attractorFunctionStream << "def f(u,v): return ";
702 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
703 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
704 // rnc: make possible to keep the size constant until
705 // a defined distance. Distance is expressed as the positiv part
706 // of r-d where r is the distance to (u0,v0)
707 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
710 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
711 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
714 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
716 FaceId2SizeMap[key] =attractorFunctionStream.str();
718 FaceId2AttractorCoords[key] = coords;
720 // // Test for new attractors
721 // gp_Pnt myP(xyzPoint);
722 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
723 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
724 // myAttractor.SetParameters(a, defaultSize, b, d);
725 // myAttractor.SetType(1);
726 // FaceId2ClassAttractor[key] = myAttractor;
727 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
731 // One sub-shape to get ids from
732 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
733 const TopoDS_Shape& theSubShape,
734 TopAbs_ShapeEnum theShapeType)
736 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
738 TopTools_MapOfShape subShapes;
739 TopTools_IndexedMapOfShape anIndices;
740 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
742 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
744 if ( subShapes.Add( face_iter.Current() )) // issue 23416
746 int face_id = anIndices.FindIndex( face_iter.Current() );
748 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
749 face_ids.push_back( face_id );
755 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
756 TopoDS_Shape theSubShape,
757 TopAbs_ShapeEnum theShapeType)
759 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
761 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
763 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
765 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
766 face_ids.push_back(face_id);
772 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
774 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
776 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
777 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
782 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
784 if (theVertexEntry!="")
786 TopoDS_Shape aShape = entryToShape(theVertexEntry);
788 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
789 double theX, theY, theZ;
794 theVerticesCoords.push_back(theX);
795 theVerticesCoords.push_back(theY);
796 theVerticesCoords.push_back(theZ);
800 /////////////////////////////////////////////////////////
801 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
803 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
804 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
806 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
807 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
809 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
810 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
811 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
813 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
814 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
816 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
819 /////////////////////////////////////////////////////////
820 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
822 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
823 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
825 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
826 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
828 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
829 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
830 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
832 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
833 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
835 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
839 /////////////////////////////////////////////////////////
841 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
842 cadsurf_session_t * css,
843 const TopoDS_Shape& theGeomShape)
846 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
847 FacesWithSizeMap.Clear();
848 FaceId2SizeMap.clear();
849 EdgesWithSizeMap.Clear();
850 EdgeId2SizeMap.clear();
851 VerticesWithSizeMap.Clear();
852 VertexId2SizeMap.clear();
853 FaceId2PythonSmp.clear();
854 EdgeId2PythonSmp.clear();
855 VertexId2PythonSmp.clear();
856 FaceId2AttractorCoords.clear();
857 FaceId2ClassAttractor.clear();
858 FaceIndex2ClassAttractor.clear();
859 FacesWithEnforcedVertices.Clear();
860 FaceId2EnforcedVertexCoords.clear();
861 EnfVertexCoords2ProjVertex.clear();
862 EnfVertexCoords2EnfVertexList.clear();
864 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
865 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
866 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
867 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
868 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
869 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
870 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
871 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
872 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
873 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
874 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
875 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
876 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
877 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
878 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
879 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
880 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
881 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
882 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
883 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
884 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
885 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
886 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
887 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
888 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
889 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
890 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
891 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
892 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
893 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
894 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
897 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
898 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
899 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
900 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
902 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
905 _physicalMesh = (int) hyp->GetPhysicalMesh();
906 _geometricMesh = (int) hyp->GetGeometricMesh();
907 if (hyp->GetPhySize() > 0) {
908 _phySize = hyp->GetPhySize();
909 // if user size is not explicitly specified, "relative" flag is ignored
910 _phySizeRel = hyp->IsPhySizeRel();
912 if (hyp->GetMinSize() > 0) {
913 _minSize = hyp->GetMinSize();
914 // if min size is not explicitly specified, "relative" flag is ignored
915 _minSizeRel = hyp->IsMinSizeRel();
917 if (hyp->GetMaxSize() > 0) {
918 _maxSize = hyp->GetMaxSize();
919 // if max size is not explicitly specified, "relative" flag is ignored
920 _maxSizeRel = hyp->IsMaxSizeRel();
922 _use_gradation = hyp->GetUseGradation();
923 if (hyp->GetGradation() > 0 && _use_gradation)
924 _gradation = hyp->GetGradation();
925 _use_volume_gradation = hyp->GetUseVolumeGradation();
926 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
927 _volume_gradation = hyp->GetVolumeGradation();
928 _elementType = hyp->GetElementType();
929 if (hyp->GetAngleMesh() > 0)
930 _angleMesh = hyp->GetAngleMesh();
931 if (hyp->GetChordalError() > 0)
932 _chordalError = hyp->GetChordalError();
933 _anisotropic = hyp->GetAnisotropic();
934 if (hyp->GetAnisotropicRatio() >= 0)
935 _anisotropicRatio = hyp->GetAnisotropicRatio();
936 _removeTinyEdges = hyp->GetRemoveTinyEdges();
937 if (hyp->GetTinyEdgeLength() > 0)
938 _tinyEdgeLength = hyp->GetTinyEdgeLength();
939 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
940 if (hyp->GetTinyEdgeOptimisationLength() > 0)
941 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
942 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
943 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
944 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
945 _badElementRemoval = hyp->GetBadElementRemoval();
946 if (hyp->GetBadElementAspectRatio() >= 0)
947 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
948 _optimizeMesh = hyp->GetOptimizeMesh();
949 _quadraticMesh = hyp->GetQuadraticMesh();
950 _verb = hyp->GetVerbosity();
951 //_topology = (int) hyp->GetTopology();
953 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
954 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
955 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
956 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
958 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
959 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
960 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
961 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
962 if ( !opIt->second.empty() ) {
963 // With MeshGems 2.4-5, there are issues with periodicity and multithread
964 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
965 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
966 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
967 set_param(css, opIt->first.c_str(), "1");
970 set_param(css, opIt->first.c_str(), opIt->second.c_str());
974 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
975 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
976 if ( !opIt->second.empty() ) {
977 set_param(css, opIt->first.c_str(), opIt->second.c_str());
980 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
981 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
982 if ( !opIt->second.empty() ) {
983 set_param(css, opIt->first.c_str(), opIt->second.c_str());
987 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
989 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
991 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
992 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
993 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
994 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
995 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
996 //set_param(css, "max_number_of_points_per_patch", "1000000");
998 bool useGradation = false;
999 switch (_physicalMesh)
1001 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1002 set_param(css, "physical_size_mode", "global");
1003 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1005 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1006 set_param(css, "physical_size_mode", "local");
1007 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1008 useGradation = true;
1011 set_param(css, "physical_size_mode", "none");
1014 switch (_geometricMesh)
1016 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1017 set_param(css, "geometric_size_mode", "global");
1018 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1019 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1020 useGradation = true;
1022 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1023 set_param(css, "geometric_size_mode", "local");
1024 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1025 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1026 useGradation = true;
1029 set_param(css, "geometric_size_mode", "none");
1032 if ( hyp && hyp->GetPhySize() > 0 ) {
1033 // user size is explicitly specified via hypothesis parameters
1034 // min and max sizes should be compared with explicitly specified user size
1035 // - compute absolute min size
1036 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1037 // - min size should not be greater than user size
1038 if ( _phySize < mins )
1039 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1041 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1042 // - compute absolute max size
1043 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1044 // - max size should not be less than user size
1045 if ( _phySize > maxs )
1046 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1048 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1051 // user size is not explicitly specified
1052 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1053 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1054 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1055 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1057 // anisotropic and quadrangle mesh requires disabling gradation
1058 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1059 useGradation = false; // limitation of V1.3
1060 if ( useGradation && _use_gradation )
1061 set_param(css, "gradation", val_to_string(_gradation).c_str());
1062 if ( useGradation && _use_volume_gradation )
1063 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1065 // New since MeshGems 2.5: add full_quad
1066 const char * element_generation = "";
1067 switch ( _elementType )
1069 case BLSURFPlugin_Hypothesis::Triangles:
1070 element_generation = "triangle";
1072 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1073 element_generation = "quad_dominant";
1075 case BLSURFPlugin_Hypothesis::Quadrangles:
1076 element_generation = "full_quad";
1080 set_param(css, "element_generation", element_generation);
1083 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1085 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1086 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1087 if ( _removeTinyEdges )
1088 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1089 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1090 if ( _optimiseTinyEdges )
1091 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1092 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1093 if ( _correctSurfaceIntersec )
1094 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1095 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1096 if ( _badElementRemoval )
1097 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1098 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1099 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1100 set_param(css, "verbose", val_to_string(_verb).c_str());
1102 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1104 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1106 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1108 TopoDS_Shape GeomShape;
1109 TopoDS_Shape AttShape;
1110 TopAbs_ShapeEnum GeomType;
1112 // Standard Size Maps
1114 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1115 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1116 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1117 if ( !smIt->second.empty() ) {
1118 GeomShape = entryToShape(smIt->first);
1119 GeomType = GeomShape.ShapeType();
1122 if (GeomType == TopAbs_COMPOUND) {
1123 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1125 if (it.Value().ShapeType() == TopAbs_FACE){
1126 HasSizeMapOnFace = true;
1127 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1128 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1131 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1133 FaceId2SizeMap[key] = smIt->second;
1136 if (it.Value().ShapeType() == TopAbs_EDGE){
1137 HasSizeMapOnEdge = true;
1138 HasSizeMapOnFace = true;
1139 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1140 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1143 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1145 EdgeId2SizeMap[key] = smIt->second;
1147 // Group of vertices
1148 if (it.Value().ShapeType() == TopAbs_VERTEX){
1149 HasSizeMapOnVertex = true;
1150 HasSizeMapOnEdge = true;
1151 HasSizeMapOnFace = true;
1152 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1153 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1156 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1158 VertexId2SizeMap[key] = smIt->second;
1163 if (GeomType == TopAbs_FACE){
1164 HasSizeMapOnFace = true;
1165 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1166 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1169 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1171 FaceId2SizeMap[key] = smIt->second;
1174 if (GeomType == TopAbs_EDGE){
1175 HasSizeMapOnEdge = true;
1176 HasSizeMapOnFace = true;
1177 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1178 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1181 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1183 EdgeId2SizeMap[key] = smIt->second;
1186 if (GeomType == TopAbs_VERTEX){
1187 HasSizeMapOnVertex = true;
1188 HasSizeMapOnEdge = true;
1189 HasSizeMapOnFace = true;
1190 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1191 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1194 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1196 VertexId2SizeMap[key] = smIt->second;
1204 // TODO appeler le constructeur des attracteurs directement ici
1205 // if ( !_phySizeRel ) {
1206 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1207 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1208 for ( ; atIt != attractors.end(); ++atIt ) {
1209 if ( !atIt->second.empty() ) {
1210 GeomShape = entryToShape(atIt->first);
1211 GeomType = GeomShape.ShapeType();
1213 if (GeomType == TopAbs_COMPOUND){
1214 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1215 if (it.Value().ShapeType() == TopAbs_FACE){
1216 HasSizeMapOnFace = true;
1217 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1222 if (GeomType == TopAbs_FACE){
1223 HasSizeMapOnFace = true;
1224 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1227 if (GeomType == TopAbs_EDGE){
1228 HasSizeMapOnEdge = true;
1229 HasSizeMapOnFace = true;
1230 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1232 if (GeomType == TopAbs_VERTEX){
1233 HasSizeMapOnVertex = true;
1234 HasSizeMapOnEdge = true;
1235 HasSizeMapOnFace = true;
1236 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1244 // temporary commented out for testing
1246 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1247 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1248 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1250 // - Construct the attractors with an empty dist. map in the hypothesis
1251 // - 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()
1252 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1254 theNbAttractors = 0;
1255 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1257 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1258 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1259 if ( !AtIt->second->Empty() ) {
1260 GeomShape = entryToShape(AtIt->first);
1261 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1263 AttShape = AtIt->second->GetAttractorShape();
1264 GeomType = GeomShape.ShapeType();
1266 // if (GeomType == TopAbs_COMPOUND){
1267 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1268 // if (it.Value().ShapeType() == TopAbs_FACE){
1269 // HasAttractorOnFace = true;
1270 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1275 if (GeomType == TopAbs_FACE
1276 && (AttShape.ShapeType() == TopAbs_VERTEX
1277 || AttShape.ShapeType() == TopAbs_EDGE
1278 || AttShape.ShapeType() == TopAbs_WIRE
1279 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1280 HasSizeMapOnFace = true;
1282 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1284 FaceId2ClassAttractor[key].push_back( AtIt->second );
1288 MESSAGE("Wrong shape type !!")
1296 // Enforced Vertices
1298 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1299 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1300 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1301 if ( !enfIt->second.empty() ) {
1302 GeomShape = entryToShape(enfIt->first);
1303 if ( GeomShape.IsNull() )
1305 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1308 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1310 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1311 if (it.Value().ShapeType() == TopAbs_FACE){
1312 HasSizeMapOnFace = true;
1313 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1317 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1319 HasSizeMapOnFace = true;
1320 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1325 // Internal vertices
1326 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1327 if (useInternalVertexAllFaces) {
1328 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1330 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1331 for (; exp.More(); exp.Next()){
1332 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1333 for (; exp_face.More(); exp_face.Next())
1335 // Get coords of vertex
1336 // Check if current coords is already in enfVertexList
1337 // If coords not in enfVertexList, add new enfVertex
1338 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1339 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1340 enfVertex->coords.push_back(aPnt.X());
1341 enfVertex->coords.push_back(aPnt.Y());
1342 enfVertex->coords.push_back(aPnt.Z());
1343 enfVertex->name = "";
1344 enfVertex->faceEntries.clear();
1345 enfVertex->geomEntry = "";
1346 enfVertex->grpName = grpName;
1347 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1348 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1349 HasSizeMapOnFace = true;
1354 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1356 if (HasSizeMapOnEdge){
1357 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1359 if (HasSizeMapOnVertex){
1360 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1367 _preCadFacesIDsPeriodicityVector.clear();
1368 _preCadEdgesIDsPeriodicityVector.clear();
1370 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1371 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1374 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1376 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1377 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1381 //================================================================================
1383 * \brief Throws an exception if a parameter name is wrong
1385 //================================================================================
1387 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1388 const char * option_name,
1389 const char * option_value)
1391 status_t status = cadsurf_set_param(css, option_name, option_value );
1393 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1394 cout << option_name << " = " << option_value << endl;
1396 if ( status != MESHGEMS_STATUS_OK )
1398 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1399 throw SALOME_Exception
1400 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1402 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1403 throw SALOME_Exception
1404 ( "No valid license available" );
1406 throw SALOME_Exception
1407 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1408 << option_name << "': " << option_value);
1414 // --------------------------------------------------------------------------
1416 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1418 struct BLSURF_Cleaner
1421 cadsurf_session_t* _css;
1425 BLSURF_Cleaner(context_t * ctx,
1426 cadsurf_session_t* css=0,
1437 Clean( /*exceptContext=*/false );
1439 void Clean(const bool exceptContext)
1443 cadsurf_session_delete(_css); _css = 0;
1445 // #if BLSURF_VERSION_LONG >= "3.1.1"
1446 // // if(geo_sizemap_e)
1447 // // distene_sizemap_delete(geo_sizemap_e);
1448 // // if(geo_sizemap_f)
1449 // // distene_sizemap_delete(geo_sizemap_f);
1450 // if(iso_sizemap_p)
1451 // distene_sizemap_delete(iso_sizemap_p);
1452 // if(iso_sizemap_e)
1453 // distene_sizemap_delete(iso_sizemap_e);
1454 // if(iso_sizemap_f)
1455 // distene_sizemap_delete(iso_sizemap_f);
1457 // // if(clean_geo_sizemap_e)
1458 // // distene_sizemap_delete(clean_geo_sizemap_e);
1459 // // if(clean_geo_sizemap_f)
1460 // // distene_sizemap_delete(clean_geo_sizemap_f);
1461 // if(clean_iso_sizemap_p)
1462 // distene_sizemap_delete(clean_iso_sizemap_p);
1463 // if(clean_iso_sizemap_e)
1464 // distene_sizemap_delete(clean_iso_sizemap_e);
1465 // if(clean_iso_sizemap_f)
1466 // distene_sizemap_delete(clean_iso_sizemap_f);
1469 cad_delete(_cad); _cad = 0;
1470 dcad_delete(_dcad); _dcad = 0;
1471 if ( !exceptContext )
1473 context_delete(_ctx); _ctx = 0;
1479 // --------------------------------------------------------------------------
1480 // comparator to sort nodes and sub-meshes
1481 struct ShapeTypeCompare
1483 // sort nodes by position in the following order:
1484 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1485 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1487 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1488 return n1->getIdInShape() < n2->getIdInShape();
1489 // SMDS_TypeOfPosition pos1 = n1->GetPosition()->GetTypeOfPosition();
1490 // SMDS_TypeOfPosition pos2 = n2->GetPosition()->GetTypeOfPosition();
1491 // if ( pos1 == pos2 ) return 0;
1492 // if ( pos1 < pos2 || pos1 == SMDS_TOP_3DSPACE ) return 1;
1495 // sort sub-meshes in order: EDGE, VERTEX
1496 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1498 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1499 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1500 if ( isVertex1 == isVertex2 )
1502 return isVertex1 < isVertex2;
1506 //================================================================================
1508 * \brief Fills groups of nodes to be merged
1510 //================================================================================
1512 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1513 const TopoDS_Shape& shape,
1514 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1516 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1517 switch ( shape.ShapeType() )
1519 case TopAbs_VERTEX: {
1520 std::list< const SMDS_MeshNode* > nodes;
1521 while ( nIt->more() )
1522 nodes.push_back( nIt->next() );
1523 if ( nodes.size() > 1 )
1524 nodeGroupsToMerge.push_back( nodes );
1528 std::multimap< double, const SMDS_MeshNode* > u2node;
1529 const SMDS_EdgePosition* ePos;
1530 while ( nIt->more() )
1532 const SMDS_MeshNode* n = nIt->next();
1533 if (( ePos = dynamic_cast< const SMDS_EdgePosition* >( n->GetPosition() )))
1534 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1536 if ( u2node.size() < 2 ) return;
1538 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1540 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1541 double tol = (( l - f ) / 20.) / u2node.size();
1543 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1544 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1546 if (( un2->first - un1->first ) <= tol )
1548 std::list< const SMDS_MeshNode* > nodes;
1549 nodes.push_back( un1->second );
1550 while (( un2->first - un1->first ) <= tol )
1552 nodes.push_back( un2->second );
1553 if ( ++un2 == u2node.end()) {
1558 // make nodes created on the boundary of viscous layer replace nodes created
1559 // by MG-CADSurf as their SMDS_Position is more correct
1560 nodes.sort( ShapeTypeCompare() );
1561 nodeGroupsToMerge.push_back( nodes );
1568 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1569 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1571 // cout << "Merge ";
1572 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1573 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1574 // for ( ; nIt != nl.end(); ++nIt )
1575 // cout << (*nIt) << " ";
1581 //================================================================================
1583 * \brief A temporary mesh used to compute mesh on a proxy FACE
1585 //================================================================================
1587 struct TmpMesh: public SMESH_Mesh
1589 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1590 TN2NMap _tmp2origNN;
1591 TopoDS_Face _proxyFace;
1595 _myMeshDS = new SMESHDS_Mesh( _id, true );
1597 //--------------------------------------------------------------------------------
1599 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1601 //--------------------------------------------------------------------------------
1603 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1604 const TopoDS_Face& origFace)
1606 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1608 SMESH_MesherHelper helper( *origMesh );
1609 helper.SetSubShape( origFace );
1610 const bool hasSeam = helper.HasRealSeam();
1612 // get data of nodes on inner boundary of viscous layers
1614 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1615 /*skipMediumNodes = */true,
1616 err, &helper, viscousMesh );
1617 if ( err && err->IsKO() )
1618 throw *err.get(); // it should be caught at SMESH_subMesh
1620 // proxy nodes and corresponding tmp VERTEXes
1621 std::vector<const SMDS_MeshNode*> origNodes;
1622 std::vector<TopoDS_Vertex> tmpVertex;
1624 // create a proxy FACE
1625 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1626 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1627 bool hasPCurves = false;
1628 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1630 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1631 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1632 if ( wirePoints.size() < 3 )
1635 BRepBuilderAPI_MakePolygon polygon;
1636 const size_t i0 = tmpVertex.size();
1637 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1639 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1640 origNodes.push_back( wirePoints[ iN ].node );
1641 tmpVertex.push_back( polygon.LastVertex() );
1643 // check presence of a pcurve
1644 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1646 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1648 if ( !polygon.IsDone() )
1649 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1650 TopoDS_Wire wire = polygon;
1652 wire = updateSeam( wire, origNodes );
1653 newFace.Add( wire );
1655 _proxyFace = newFace;
1657 // set a new shape to mesh
1658 TopoDS_Compound auxCompoundToMesh;
1659 BRep_Builder shapeBuilder;
1660 shapeBuilder.MakeCompound( auxCompoundToMesh );
1661 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1662 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1664 ShapeToMesh( auxCompoundToMesh );
1667 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1669 // make nodes and fill in _tmp2origNN
1671 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1672 for ( size_t i = 0; i < origNodes.size(); ++i )
1674 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1675 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1676 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1677 // else -- it can be a seam vertex replaced by updateSeam()
1678 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1682 TopoDS_Vertex v1, v2;
1683 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1685 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1686 TopExp::Vertices( E, v1, v2 );
1687 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1688 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1690 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1691 tmpMeshDS->SetMeshElementOnShape( seg, E );
1697 //--------------------------------------------------------------------------------
1699 * \brief Add pcurve to the last edge of a wire
1701 //--------------------------------------------------------------------------------
1703 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1704 const TopoDS_Face& face,
1706 const uvPtStruct * wirePoints )
1710 TopoDS_Edge edge = wire.Edge();
1711 if ( edge.IsNull() ) return;
1713 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1718 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1719 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1720 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1721 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1722 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1723 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1724 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1725 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1728 //--------------------------------------------------------------------------------
1730 * \brief Replace coincident EDGEs with reversed copies.
1732 //--------------------------------------------------------------------------------
1734 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1735 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1737 BRepBuilderAPI_MakeWire newWire;
1739 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1740 TSeg2EdgeMap seg2EdgeMap;
1742 TopoDS_Iterator edgeIt( wire );
1743 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1745 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1746 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1748 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1749 bool isSeam = ( *edgeInMap != edge );
1752 edgeInMap->Reverse();
1755 newWire.Add( edge );
1760 //--------------------------------------------------------------------------------
1762 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1764 //--------------------------------------------------------------------------------
1766 void FillInOrigMesh( SMESH_Mesh& origMesh,
1767 const TopoDS_Face& origFace )
1769 SMESH_MesherHelper helper( origMesh );
1770 helper.SetSubShape( origFace );
1771 helper.SetElementsOnShape( true );
1773 SMESH_MesherHelper tmpHelper( *this );
1774 tmpHelper.SetSubShape( _proxyFace );
1776 // iterate over tmp faces and copy them in origMesh
1777 const SMDS_MeshNode* nodes[27];
1778 const SMDS_MeshNode* nullNode = 0;
1780 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1781 while ( fIt->more() )
1783 const SMDS_MeshElement* f = fIt->next();
1784 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1786 for ( ; nIt->more(); ++nbN )
1788 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1789 TN2NMap::iterator n2nIt =
1790 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1791 if ( !n2nIt->second ) {
1793 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1794 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1796 nodes[ nbN ] = n2nIt->second;
1799 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1800 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1801 // nodes[3], nodes[4], nodes[5]); break;
1802 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1803 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1804 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1805 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1806 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1813 * \brief A structure holding an error description and a verbisity level
1815 struct message_cb_user_data
1817 std::string * _error;
1824 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1825 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1826 real *duu, real *duv, real *dvv, void *user_data);
1827 status_t message_cb(message_t *msg, void *user_data);
1828 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1830 //=============================================================================
1834 //=============================================================================
1836 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1838 // Fix problem with locales
1839 Kernel_Utils::Localizer aLocalizer;
1841 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1843 bool viscousLayersMade =
1844 ( aShape.ShapeType() == TopAbs_FACE &&
1845 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1847 if ( !viscousLayersMade )
1848 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1851 if ( _haveViscousLayers || viscousLayersMade )
1853 // Compute viscous layers
1855 TopTools_MapOfShape map;
1856 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1858 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1859 if ( !map.Add( F )) continue;
1860 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1862 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1864 // Compute MG-CADSurf mesh on viscous layers
1866 if ( viscousMesh->NbProxySubMeshes() > 0 )
1869 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1870 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1872 tmpMesh.FillInOrigMesh( aMesh, F );
1876 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1878 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1880 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1881 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1882 if ( fSM->IsMeshComputed() ) continue;
1884 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1892 //=============================================================================
1896 //=============================================================================
1898 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1899 const TopoDS_Shape& aShape,
1900 bool allowSubMeshClearing)
1902 /* create a distene context (generic object) */
1903 status_t status = STATUS_ERROR;
1905 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1906 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1907 myHelper = theHelper = & helperWithShape;
1908 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1909 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1910 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1911 bool quadraticSubMeshAndViscousLayer = false;
1912 bool needMerge = false;
1913 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1914 TSubMeshSet edgeSubmeshes;
1915 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1917 TopTools_IndexedMapOfShape pmap, emap, fmap;
1919 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1920 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1922 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1924 feclearexcept( FE_ALL_EXCEPT );
1925 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1928 context_t *ctx = context_new();
1930 /* Set the message callback in the working context */
1931 message_cb_user_data mcud;
1932 mcud._error = & this->SMESH_Algo::_comment;
1933 mcud._progress = & this->SMESH_Algo::_progress;
1935 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1936 context_set_message_callback(ctx, message_cb, &mcud);
1938 /* set the interruption callback */
1939 _compute_canceled = false;
1940 context_set_interrupt_callback(ctx, interrupt_cb, this);
1942 /* create the CAD object we will work on. It is associated to the context ctx. */
1943 cad_t *c = cad_new(ctx);
1944 dcad_t *dcad = dcad_new(c);
1946 // To enable multithreading
1947 cad_set_thread_safety(c, 1);
1949 /* Now fill the CAD object with data from your CAD
1950 * environement. This is the most complex part of a successfull
1956 cadsurf_session_t *css = cadsurf_session_new(ctx);
1958 // an object that correctly deletes all cadsurf objects at destruction
1959 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1961 SetParameters(_hypothesis, css, aShape);
1963 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1964 helper.SetIsQuadratic( haveQuadraticSubMesh );
1966 // To remove as soon as quadratic mesh is allowed - BEGIN
1967 // GDD: Viscous layer is not allowed with quadratic mesh
1968 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1969 quadraticSubMeshAndViscousLayer = true;
1970 _haveViscousLayers = !haveQuadraticSubMesh;
1971 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1972 error(COMPERR_WARNING, _comment);
1974 // To remove as soon as quadratic mesh is allowed - END
1976 // needed to prevent the opencascade memory managmement from freeing things
1977 vector<Handle(Geom2d_Curve)> curves;
1978 vector<Handle(Geom_Surface)> surfaces;
1982 FaceId2PythonSmp.clear();
1983 EdgeId2PythonSmp.clear();
1984 VertexId2PythonSmp.clear();
1986 /****************************************************************************************
1988 *****************************************************************************************/
1990 string bad_end = "return";
1992 TopTools_IndexedMapOfShape _map;
1993 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
1994 int ienf = _map.Extent();
1996 assert(Py_IsInitialized());
1997 PyGILState_STATE gstate;
1999 string theSizeMapStr;
2001 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2003 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2005 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2006 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2008 // make INTERNAL face oriented FORWARD (issue 0020993)
2009 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2010 f.Orientation(TopAbs_FORWARD);
2012 iface = fmap.Add(f);
2014 surfaces.push_back(BRep_Tool::Surface(f));
2016 /* create an object representing the face for cadsurf */
2017 /* where face_id is an integer identifying the face.
2018 * surf_function is the function that defines the surface
2019 * (For this face, it will be called by cadsurf with your_face_object_ptr
2020 * as last parameter.
2022 #if OCC_VERSION_MAJOR < 7
2023 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
2025 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2028 /* by default a face has no tag (color).
2029 The following call sets it to the same value as the Geom module ID : */
2030 int faceTag = meshDS->ShapeToIndex(f);
2031 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2032 cad_face_set_tag(fce, faceTag);
2034 /* Set face orientation (optional if you want a well oriented output mesh)*/
2035 if(f.Orientation() != TopAbs_FORWARD)
2036 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2038 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2040 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2042 // -----------------
2044 // -----------------
2045 faceKey = FacesWithSizeMap.FindIndex(f);
2048 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2050 theSizeMapStr = FaceId2SizeMap[faceKey];
2051 // check if function ends with "return"
2052 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2054 // Expr To Python function, verification is performed at validation in GUI
2055 gstate = PyGILState_Ensure();
2056 PyObject * obj = NULL;
2057 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2059 PyObject * func = NULL;
2060 func = PyObject_GetAttrString(main_mod, "f");
2061 FaceId2PythonSmp[iface]=func;
2062 FaceId2SizeMap.erase(faceKey);
2063 PyGILState_Release(gstate);
2066 // Specific size map = Attractor
2067 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2069 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2070 if (attractor_iter->first == faceKey)
2072 double xyzCoords[3] = {attractor_iter->second[2],
2073 attractor_iter->second[3],
2074 attractor_iter->second[4]};
2076 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2077 BRepClass_FaceClassifier scl(f,P,1e-7);
2078 scl.Perform(f, P, 1e-7);
2079 TopAbs_State result = scl.State();
2080 if ( result == TopAbs_OUT )
2081 MESSAGE("Point is out of face: node is not created");
2082 if ( result == TopAbs_UNKNOWN )
2083 MESSAGE("Point position on face is unknown: node is not created");
2084 if ( result == TopAbs_ON )
2085 MESSAGE("Point is on border of face: node is not created");
2086 if ( result == TopAbs_IN )
2088 // Point is inside face and not on border
2089 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2091 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2092 cad_point_set_tag(point_p, ienf);
2094 FaceId2AttractorCoords.erase(faceKey);
2098 // -----------------
2100 // -----------------
2101 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2102 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2103 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2104 for ( size_t i = 0; i < attVec.size(); ++i )
2105 if ( !attVec[i]->IsMapBuilt() ) {
2106 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2107 attVec[i]->BuildMap();
2109 FaceIndex2ClassAttractor[iface].swap( attVec );
2110 FaceId2ClassAttractor.erase(clAttractor_iter);
2112 } // if (HasSizeMapOnFace && !use_precad)
2114 // ------------------
2115 // Enforced Vertices
2116 // ------------------
2117 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2118 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2119 if (evmIt != FaceId2EnforcedVertexCoords.end())
2121 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2122 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2123 for (; evlIt != evl.end(); ++evlIt)
2125 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2127 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2129 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2130 xyzCoords.push_back(evlIt->at(2));
2131 xyzCoords.push_back(evlIt->at(3));
2132 xyzCoords.push_back(evlIt->at(4));
2133 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2134 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2135 !enfCoordsIt->second.empty() )
2137 // to merge nodes of an INTERNAL vertex belonging to several faces
2138 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2139 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2140 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2142 tag = pmap.Add( v );
2143 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2144 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2145 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2146 // //if ( tag != pmap.Extent() )
2147 // needMerge = true;
2150 if ( tag == 0 ) tag = ienf;
2151 cad_point_set_tag(point_p, tag);
2153 FaceId2EnforcedVertexCoords.erase(faceKey);
2157 /****************************************************************************************
2159 now create the edges associated to this face
2160 *****************************************************************************************/
2162 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2164 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2165 int ic = emap.FindIndex(e);
2170 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2172 if (HasSizeMapOnEdge){
2173 edgeKey = EdgesWithSizeMap.FindIndex(e);
2174 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2176 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2177 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2179 // Expr To Python function, verification is performed at validation in GUI
2180 gstate = PyGILState_Ensure();
2181 PyObject * obj = NULL;
2182 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2184 PyObject * func = NULL;
2185 func = PyObject_GetAttrString(main_mod, "f");
2186 EdgeId2PythonSmp[ic]=func;
2187 EdgeId2SizeMap.erase(edgeKey);
2188 PyGILState_Release(gstate);
2191 /* data of nodes existing on the edge */
2192 StdMeshers_FaceSidePtr nodeData;
2193 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2194 if ( !sm->IsEmpty() )
2196 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2197 // /*complexFirst=*/false);
2198 // while ( subsmIt->more() )
2199 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2200 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2202 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2203 /*ignoreMedium=*/haveQuadraticSubMesh));
2204 if ( nodeData->MissVertexNode() )
2205 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2207 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2208 if ( !nodeDataVec.empty() )
2210 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2212 nodeData->Reverse();
2213 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2215 // tmin and tmax can change in case of viscous layer on an adjacent edge
2216 tmin = nodeDataVec.front().param;
2217 tmax = nodeDataVec.back().param;
2221 cout << "---------------- Invalid nodeData" << endl;
2226 /* attach the edge to the current cadsurf face */
2227 #if OCC_VERSION_MAJOR < 7
2228 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
2230 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2233 /* by default an edge has no tag (color).
2234 The following call sets it to the same value as the edge_id : */
2235 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2236 bool isInHyperPatch = false;
2238 std::set< int > faceTags, faceIDs;
2239 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2240 for ( ; fIt.More(); fIt.Next() )
2242 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2243 if ( !faceIDs.insert( faceTag ).second )
2244 continue; // a face encounters twice for a seam edge
2245 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2246 if ( !faceTags.insert( hpTag ).second )
2248 isInHyperPatch = true;
2253 if ( !isInHyperPatch )
2254 cad_edge_set_tag(edg, ic);
2256 /* by default, an edge does not necessalry appear in the resulting mesh,
2257 unless the following property is set :
2259 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2261 /* by default an edge is a boundary edge */
2262 if (e.Orientation() == TopAbs_INTERNAL)
2263 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2265 // pass existing nodes of sub-meshes to MG-CADSurf
2268 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2269 const int nbNodes = nodeDataVec.size();
2271 dcad_edge_discretization_t *dedge;
2272 dcad_get_edge_discretization(dcad, edg, &dedge);
2273 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2275 // cout << endl << " EDGE " << ic << endl;
2276 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2277 for ( int iN = 0; iN < nbNodes; ++iN )
2279 const UVPtStruct& nData = nodeDataVec[ iN ];
2280 double t = nData.param;
2281 real uv[2] = { nData.u, nData.v };
2282 SMESH_TNodeXYZ nXYZ( nData.node );
2283 // cout << "\tt = " << t
2284 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2285 // << "\t u = " << nData.param
2286 // << "\t ID = " << nData.node->GetID() << endl;
2287 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ.ChangeData() );
2289 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2292 /****************************************************************************************
2294 *****************************************************************************************/
2298 gp_Pnt2d e0 = curves.back()->Value(tmin);
2299 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2300 Standard_Real d1=0,d2=0;
2303 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2304 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2308 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2311 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2313 *ip = pmap.FindIndex(v);
2316 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2317 // if ( sm->IsMeshComputed() )
2318 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2321 // std::string aFileName = "fmap_vertex_";
2322 // aFileName.append(val_to_string(*ip));
2323 // aFileName.append(".brep");
2324 // BRepTools::Write(v,aFileName.c_str());
2326 if (HasSizeMapOnVertex){
2327 vertexKey = VerticesWithSizeMap.FindIndex(v);
2328 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2329 theSizeMapStr = VertexId2SizeMap[vertexKey];
2330 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2332 // Expr To Python function, verification is performed at validation in GUI
2333 gstate = PyGILState_Ensure();
2334 PyObject * obj = NULL;
2335 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2337 PyObject * func = NULL;
2338 func = PyObject_GetAttrString(main_mod, "f");
2339 VertexId2PythonSmp[*ip]=func;
2340 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2341 PyGILState_Release(gstate);
2346 // should not happen
2347 MESSAGE("An edge does not have 2 extremities.");
2350 // This defines the curves extremity connectivity
2351 cad_edge_set_extremities(edg, ip1, ip2);
2352 /* set the tag (color) to the same value as the extremity id : */
2353 cad_edge_set_extremities_tag(edg, ip1, ip2);
2356 cad_edge_set_extremities(edg, ip2, ip1);
2357 cad_edge_set_extremities_tag(edg, ip2, ip1);
2363 // Clear mesh from already meshed edges if possible else
2364 // remember that merge is needed
2365 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2366 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2368 SMESHDS_SubMesh* smDS = *smIt;
2369 if ( !smDS ) continue;
2370 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2373 const SMDS_MeshNode* n = nIt->next();
2374 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2376 needMerge = true; // to correctly sew with viscous mesh
2377 // add existing medium nodes to helper
2378 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2380 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2381 while ( edgeIt->more() )
2382 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2387 if ( allowSubMeshClearing )
2389 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2390 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2391 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2392 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2401 ///////////////////////
2403 ///////////////////////
2405 if (! _preCadFacesIDsPeriodicityVector.empty())
2407 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2408 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2409 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2410 int* theFace1_ids_c = &theFace1_ids[0];
2411 int* theFace2_ids_c = &theFace2_ids[0];
2412 std::ostringstream o;
2413 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2414 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2415 o << theFace1_ids[j] << ", ";
2417 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2418 o << theFace2_ids[j] << ", ";
2420 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2421 // cout << o.str() << endl;
2422 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2424 // If no source points, call periodicity without transformation function
2425 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2426 status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2427 theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2428 if(status != STATUS_OK)
2429 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2433 // get the transformation vertices
2434 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2435 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2436 int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2437 int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2439 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2440 theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2441 if(status != STATUS_OK)
2442 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2447 if (! _preCadEdgesIDsPeriodicityVector.empty())
2449 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2450 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2451 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2452 // Use the address of the first element of the vector to initialize the array
2453 int* theEdge1_ids_c = &theEdge1_ids[0];
2454 int* theEdge2_ids_c = &theEdge2_ids[0];
2456 std::ostringstream o;
2457 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2458 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2459 o << theEdge1_ids[j] << ", ";
2461 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2462 o << theEdge2_ids[j] << ", ";
2464 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2465 // cout << o.str() << endl;
2467 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2469 // If no source points, call periodicity without transformation function
2470 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2471 status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2472 theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2473 if(status != STATUS_OK)
2474 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2478 // get the transformation vertices
2479 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2480 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2481 int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2482 int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2484 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2485 theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2486 if(status != STATUS_OK)
2487 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2493 // TODO: be able to use a mesh in input.
2494 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2495 // => cadsurf_set_mesh
2497 // Use the original dcad
2498 cadsurf_set_dcad(css, dcad);
2500 // Use the original cad
2501 cadsurf_set_cad(css, c);
2503 std::cout << std::endl;
2504 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2505 std::cout << std::endl;
2510 status = cadsurf_compute_mesh(css);
2513 catch ( std::exception& exc ) {
2514 _comment += exc.what();
2516 catch (Standard_Failure& ex) {
2517 _comment += ex.DynamicType()->Name();
2518 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2520 _comment += ex.GetMessageString();
2524 if ( _comment.empty() )
2525 _comment = "Exception in cadsurf_compute_mesh()";
2528 std::cout << std::endl;
2529 std::cout << "End of Surface Mesh generation" << std::endl;
2530 std::cout << std::endl;
2533 cadsurf_get_mesh(css, &msh);
2535 /* release the mesh object */
2536 cadsurf_regain_mesh(css, msh);
2537 return error(_comment);
2540 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2542 GMFFileName = _hypothesis->GetGMFFile();
2543 if (GMFFileName != "") {
2544 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2545 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2546 if (!asciiFound && !binaryFound)
2547 GMFFileName.append(".mesh");
2548 mesh_write_mesh(msh, GMFFileName.c_str());
2551 /* retrieve mesh data (see meshgems/mesh.h) */
2552 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2553 integer *evedg, *evtri, *evquad, *tags_buff, type;
2556 mesh_get_vertex_count(msh, &nv);
2557 mesh_get_edge_count(msh, &ne);
2558 mesh_get_triangle_count(msh, &nt);
2559 mesh_get_quadrangle_count(msh, &nq);
2561 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2562 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2563 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2564 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2566 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2567 std::vector<bool> tags(nv+1);
2569 /* enumerated vertices */
2570 for(int iv=1;iv<=nv;iv++) {
2571 mesh_get_vertex_coordinates(msh, iv, xyz);
2572 mesh_get_vertex_tag(msh, iv, &tag);
2573 // Issue 0020656. Use vertex coordinates
2575 if ( tag > 0 && tag <= pmap.Extent() ) {
2576 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2577 double tol = BRep_Tool::Tolerance( v );
2578 gp_Pnt p = BRep_Tool::Pnt( v );
2579 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2580 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2582 tag = 0; // enforced or attracted vertex
2583 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2586 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2588 // Create group of enforced vertices if requested
2589 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2591 projVertex.push_back((double)xyz[0]);
2592 projVertex.push_back((double)xyz[1]);
2593 projVertex.push_back((double)xyz[2]);
2594 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2595 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2597 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2598 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2599 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2600 currentEnfVertex = (*enfListIt);
2601 if (currentEnfVertex->grpName != "") {
2602 bool groupDone = false;
2603 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2604 while (grIt->more()) {
2605 SMESH_Group * group = grIt->next();
2606 if ( !group ) continue;
2607 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2608 if ( !groupDS ) continue;
2609 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2610 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2611 aGroupDS->SMDSGroup().Add(nodes[iv]);
2612 // How can I inform the hypothesis ?
2613 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2621 SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2622 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2623 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2624 aGroupDS->SMDSGroup().Add(nodes[iv]);
2628 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2631 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2635 // internal points are tagged to zero
2636 if(tag > 0 && tag <= pmap.Extent() ){
2637 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2644 /* enumerate edges */
2645 for(int it=1;it<=ne;it++) {
2647 mesh_get_edge_vertices(msh, it, vtx);
2648 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2649 mesh_get_edge_tag(msh, it, &tag);
2651 // If PreCAD performed some cleaning operations (remove tiny edges,
2652 // merge edges ...) an output tag can indeed represent several original tags.
2653 // Get the initial tags corresponding to the output tag and redefine the tag as
2654 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2655 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2657 tag=tags_buff[nb_tag-1];
2658 if ( tag < 1 || tag > emap.Extent() )
2660 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2661 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2665 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2666 tags[vtx[0]] = false;
2669 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2670 tags[vtx[1]] = false;
2672 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2674 if (tags[evedg[0]]) {
2675 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2676 tags[evedg[0]] = false;
2678 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2681 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2683 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2686 /* enumerate triangles */
2687 for(int it=1;it<=nt;it++) {
2689 mesh_get_triangle_vertices(msh, it, vtx);
2690 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2691 mesh_get_triangle_tag(msh, it, &tag);
2693 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2694 tags[vtx[0]] = false;
2697 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2698 tags[vtx[1]] = false;
2701 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2702 tags[vtx[2]] = false;
2704 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2705 // QUADRATIC TRIANGLE
2706 if (tags[evtri[0]]) {
2707 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2708 tags[evtri[0]] = false;
2710 if (tags[evtri[1]]) {
2711 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2712 tags[evtri[1]] = false;
2714 if (tags[evtri[2]]) {
2715 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2716 tags[evtri[2]] = false;
2718 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2719 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2722 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2724 meshDS->SetMeshElementOnShape(tri, tag);
2727 /* enumerate quadrangles */
2728 for(int it=1;it<=nq;it++) {
2729 SMDS_MeshFace* quad;
2730 mesh_get_quadrangle_vertices(msh, it, vtx);
2731 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2732 mesh_get_quadrangle_tag(msh, it, &tag);
2734 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2735 tags[vtx[0]] = false;
2738 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2739 tags[vtx[1]] = false;
2742 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2743 tags[vtx[2]] = false;
2746 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2747 tags[vtx[3]] = false;
2749 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2750 // QUADRATIC QUADRANGLE
2751 std::cout << "This is a quadratic quadrangle" << std::endl;
2752 if (tags[evquad[0]]) {
2753 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2754 tags[evquad[0]] = false;
2756 if (tags[evquad[1]]) {
2757 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2758 tags[evquad[1]] = false;
2760 if (tags[evquad[2]]) {
2761 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2762 tags[evquad[2]] = false;
2764 if (tags[evquad[3]]) {
2765 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2766 tags[evquad[3]] = false;
2768 if (tags[evquad[4]]) {
2769 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2770 tags[evquad[4]] = false;
2772 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2773 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2777 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2779 meshDS->SetMeshElementOnShape(quad, tag);
2782 /* release the mesh object, the rest is released by cleaner */
2783 cadsurf_regain_mesh(css, msh);
2786 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2787 for(int iv=1;iv<=nv;iv++)
2788 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2789 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2792 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2794 SMESH_MeshEditor editor( &aMesh );
2795 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2796 TIDSortedElemSet segementsOnEdge;
2797 TSubMeshSet::iterator smIt;
2798 SMESHDS_SubMesh* smDS;
2800 // merge nodes on EDGE's with ones computed by MG-CADSurf
2801 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2803 if (! (smDS = *smIt) ) continue;
2804 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2806 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2807 while ( segIt->more() )
2808 segementsOnEdge.insert( segIt->next() );
2811 editor.MergeNodes( nodeGroupsToMerge );
2814 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2815 editor.FindEqualElements( segementsOnEdge, equalSegments );
2816 editor.MergeElements( equalSegments );
2818 // remove excess segments created on the boundary of viscous layers
2819 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2820 for ( int i = 1; i <= emap.Extent(); ++i )
2822 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2824 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2825 while ( segIt->more() )
2827 const SMDS_MeshElement* seg = segIt->next();
2828 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2829 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2830 meshDS->RemoveFreeElement( seg, smDS );
2837 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2838 for (int i = 1; i <= emap.Extent(); i++)
2839 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2840 sm->SetIsAlwaysComputed( true );
2841 for (int i = 1; i <= pmap.Extent(); i++)
2842 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2843 if ( !sm->IsMeshComputed() )
2844 sm->SetIsAlwaysComputed( true );
2846 // Set error to FACE's w/o elements
2847 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2848 if ( _comment.empty() && status == STATUS_OK )
2850 err = COMPERR_WARNING;
2851 _comment = "No mesh elements assigned to a face";
2853 bool badFaceFound = false;
2854 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2856 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2857 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2858 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2860 int faceTag = sm->GetId();
2861 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2863 // triangles are assigned to the first face of hyper-patch
2864 sm->SetIsAlwaysComputed( true );
2868 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2869 badFaceFound = true;
2873 if ( err == COMPERR_WARNING )
2877 if ( status != STATUS_OK && !badFaceFound ) {
2881 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2883 if ( oldFEFlags > 0 )
2884 feenableexcept( oldFEFlags );
2885 feclearexcept( FE_ALL_EXCEPT );
2889 std::cout << "FacesWithSizeMap" << std::endl;
2890 FacesWithSizeMap.Statistics(std::cout);
2891 std::cout << "EdgesWithSizeMap" << std::endl;
2892 EdgesWithSizeMap.Statistics(std::cout);
2893 std::cout << "VerticesWithSizeMap" << std::endl;
2894 VerticesWithSizeMap.Statistics(std::cout);
2895 std::cout << "FacesWithEnforcedVertices" << std::endl;
2896 FacesWithEnforcedVertices.Statistics(std::cout);
2899 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2902 //================================================================================
2904 * \brief Compute a mesh basing on discrete CAD description
2906 //================================================================================
2908 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2910 if ( aMesh.NbFaces() == 0 )
2911 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2913 context_t *ctx = context_new();
2914 if (!ctx) return error("Pb in context_new()");
2916 BLSURF_Cleaner cleaner( ctx );
2918 message_cb_user_data mcud;
2919 mcud._error = & this->SMESH_Algo::_comment;
2920 mcud._progress = & this->SMESH_Algo::_progress;
2922 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
2923 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
2924 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
2926 cadsurf_session_t * css = cadsurf_session_new(ctx);
2927 if(!css) return error( "Pb. in cadsurf_session_new() " );
2931 // Fill an input mesh
2933 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
2934 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
2936 // mark nodes used by 2D elements
2937 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
2938 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
2939 while ( nodeIt->more() )
2941 const SMDS_MeshNode* n = nodeIt->next();
2942 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
2944 meshgems_mesh_set_vertex_count( msh, meshDS->NbNodes() );
2946 // set node coordinates
2947 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
2949 meshDS->compactMesh();
2952 nodeIt = meshDS->nodesIterator();
2954 for ( i = 1; nodeIt->more(); ++i )
2956 nXYZ.Set( nodeIt->next() );
2957 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ.ChangeData() );
2960 // set nodes of faces
2961 meshgems_mesh_set_triangle_count ( msh, meshDS->GetMeshInfo().NbTriangles() );
2962 meshgems_mesh_set_quadrangle_count( msh, meshDS->GetMeshInfo().NbQuadrangles() );
2963 meshgems_integer nodeIDs[4];
2964 meshgems_integer iT = 1, iQ = 1;
2965 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
2966 while ( faceIt->more() )
2968 const SMDS_MeshElement* face = faceIt->next();
2969 meshgems_integer nbNodes = face->NbCornerNodes();
2970 if ( nbNodes > 4 || face->IsPoly() ) continue;
2972 for ( i = 0; i < nbNodes; ++i )
2973 nodeIDs[i] = face->GetNode( i )->GetID();
2975 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
2977 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
2980 ret = cadsurf_set_mesh(css, msh);
2981 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
2986 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
2988 ret = cadsurf_compute_mesh(css);
2989 if ( ret != STATUS_OK ) return false;
2992 cadsurf_get_mesh(css, &omsh);
2993 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
2996 // Update SALOME mesh
2998 // remove quadrangles and triangles
2999 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
3001 const SMDS_MeshElement* face = faceIt->next();
3002 if ( !face->IsPoly() )
3003 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
3005 // remove edges that bound the just removed faces
3006 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
3008 const SMDS_MeshElement* edge = edgeIt->next();
3009 const SMDS_MeshNode* n0 = edge->GetNode(0);
3010 const SMDS_MeshNode* n1 = edge->GetNode(1);
3011 if ( n0->isMarked() &&
3013 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
3014 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
3015 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
3017 // remove nodes that just became free
3018 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3020 const SMDS_MeshNode* n = nodeIt->next();
3021 if ( n->isMarked() && n->NbInverseElements() == 0 )
3022 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3026 meshgems_integer nbvtx = 0, nodeID;
3027 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3028 meshgems_real xyz[3];
3029 for ( i = 1; i <= nbvtx; ++i )
3031 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3032 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3033 nodeID = n->GetID();
3034 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3038 meshgems_integer nbtri = 0;
3039 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3040 const SMDS_MeshNode* nodes[3];
3041 for ( i = 1; i <= nbtri; ++i )
3043 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3044 for ( int j = 0; j < 3; ++j )
3046 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3047 nodes[j] = meshDS->FindNode( nodeID );
3049 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3052 cadsurf_regain_mesh(css, omsh);
3054 // as we don't assign the new triangles to a shape (the pseudo-shape),
3055 // we mark the shape as always computed to avoid the error messages
3056 // that no elements assigned to the shape
3057 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3062 //================================================================================
3064 * \brief Terminates computation
3066 //================================================================================
3068 void BLSURFPlugin_BLSURF::CancelCompute()
3070 _compute_canceled = true;
3073 //=============================================================================
3077 //=============================================================================
3079 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3080 const SMDS_MeshNode* node,
3081 const TopoDS_Shape& ed)
3083 const TopoDS_Edge edge = TopoDS::Edge(ed);
3085 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3087 Standard_Real p0 = 0.0;
3088 Standard_Real p1 = 1.0;
3089 TopLoc_Location loc;
3090 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3091 if ( curve.IsNull() )
3093 // issue 22499. Node at a sphere apex
3094 meshDS->SetNodeOnEdge(node, edge, p0);
3098 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3099 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3102 if ( proj.NbPoints() > 0 )
3104 pa = (double)proj.LowerDistanceParameter();
3105 // Issue 0020656. Move node if it is too far from edge
3106 gp_Pnt curve_pnt = curve->Value( pa );
3107 double dist2 = pnt.SquareDistance( curve_pnt );
3108 double tol = BRep_Tool::Tolerance( edge );
3109 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3111 curve_pnt.Transform( loc );
3112 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3116 meshDS->SetNodeOnEdge(node, edge, pa);
3119 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3121 * NOTE : if when your CAD systems evaluates second
3122 * order derivatives it also computes first order derivatives and
3123 * function evaluation, you can optimize this example by making only
3124 * one CAD call and filling the necessary uv, dt, dtt arrays.
3126 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3128 /* t is given. It contains the t (time) 1D parametric coordintaes
3129 of the point PreCAD/MG-CADSurf is querying on the curve */
3131 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
3132 * (see cad_edge_new later in this example) */
3133 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3136 /* MG-CADSurf is querying the function evaluation */
3139 uv[0]=P.X(); uv[1]=P.Y();
3143 /* query for the first order derivatives */
3146 dt[0]=V1.X(); dt[1]=V1.Y();
3150 /* query for the second order derivatives */
3153 dtt[0]=V2.X(); dtt[1]=V2.Y();
3159 /* Surface definition function.
3160 * See cad_surf_t in file meshgems/cad.h for more information.
3161 * NOTE : if when your CAD systems evaluates second order derivatives it also
3162 * computes first order derivatives and function evaluation, you can optimize
3163 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3166 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3167 real *duu, real *duv, real *dvv, void *user_data)
3169 /* uv[2] is given. It contains the u,v coordinates of the point
3170 * PreCAD/MG-CADSurf is querying on the surface */
3172 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3173 * cad_face_new later in this example)*/
3174 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3178 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3179 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3186 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3187 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3188 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3191 if(duu && duv && dvv){
3195 gp_Vec D2U,D2V,D2UV;
3197 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3198 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3199 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3200 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3207 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3209 TId2ClsAttractorVec::iterator f2attVec;
3210 if (FaceId2PythonSmp.count(face_id) != 0) {
3211 assert(Py_IsInitialized());
3212 PyGILState_STATE gstate;
3213 gstate = PyGILState_Ensure();
3214 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3216 if ( pyresult != NULL) {
3217 result = PyFloat_AsDouble(pyresult);
3218 Py_DECREF(pyresult);
3223 string err_description="";
3224 PyObject* new_stderr = newPyStdOut(err_description);
3225 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3226 Py_INCREF(old_stderr);
3227 PySys_SetObject((char*)"stderr", new_stderr);
3229 PySys_SetObject((char*)"stderr", old_stderr);
3230 Py_DECREF(new_stderr);
3231 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3232 result = *((real*)user_data);
3235 PyGILState_Release(gstate);
3237 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3241 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3242 for ( size_t i = 0; i < attVec.size(); ++i )
3244 //result += attVec[i]->GetSize(uv[0],uv[1]);
3245 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3247 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3251 *size = *((real*)user_data);
3253 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3257 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3259 if (EdgeId2PythonSmp.count(edge_id) != 0){
3260 assert(Py_IsInitialized());
3261 PyGILState_STATE gstate;
3262 gstate = PyGILState_Ensure();
3263 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3265 if ( pyresult != NULL) {
3266 result = PyFloat_AsDouble(pyresult);
3267 Py_DECREF(pyresult);
3272 string err_description="";
3273 PyObject* new_stderr = newPyStdOut(err_description);
3274 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3275 Py_INCREF(old_stderr);
3276 PySys_SetObject((char*)"stderr", new_stderr);
3278 PySys_SetObject((char*)"stderr", old_stderr);
3279 Py_DECREF(new_stderr);
3280 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3281 result = *((real*)user_data);
3284 PyGILState_Release(gstate);
3287 *size = *((real*)user_data);
3292 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3294 if (VertexId2PythonSmp.count(point_id) != 0){
3295 assert(Py_IsInitialized());
3296 PyGILState_STATE gstate;
3297 gstate = PyGILState_Ensure();
3298 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3300 if ( pyresult != NULL) {
3301 result = PyFloat_AsDouble(pyresult);
3302 Py_DECREF(pyresult);
3307 string err_description="";
3308 PyObject* new_stderr = newPyStdOut(err_description);
3309 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3310 Py_INCREF(old_stderr);
3311 PySys_SetObject((char*)"stderr", new_stderr);
3313 PySys_SetObject((char*)"stderr", old_stderr);
3314 Py_DECREF(new_stderr);
3315 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3316 result = *((real*)user_data);
3319 PyGILState_Release(gstate);
3322 *size = *((real*)user_data);
3328 * The following function will be called for PreCAD/MG-CADSurf message
3329 * printing. See context_set_message_callback (later in this
3330 * template) for how to set user_data.
3332 status_t message_cb(message_t *msg, void *user_data)
3334 integer errnumber = 0;
3336 message_get_number(msg, &errnumber);
3337 message_get_description(msg, &desc);
3339 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3340 // Get all the error message and some warning messages related to license and periodicity
3341 if ( errnumber < 0 ||
3342 err.find("license" ) != string::npos ||
3343 err.find("periodicity") != string::npos )
3345 // remove ^A from the tail
3346 int len = strlen( desc );
3347 while (len > 0 && desc[len-1] != '\n')
3349 mcud->_error->append( desc, len );
3352 if ( errnumber == 3009001 )
3353 * mcud->_progress = atof( desc + 11 ) / 100.;
3354 if ( mcud->_verbosity > 0 )
3355 std::cout << desc << std::endl;
3360 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3361 * function regularily. See the file meshgems/interrupt.h
3363 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3365 integer you_want_to_continue = 1;
3366 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3367 you_want_to_continue = !tmp->computeCanceled();
3369 if(you_want_to_continue)
3371 *interrupt_status = INTERRUPT_CONTINUE;
3374 else /* you want to stop MG-CADSurf */
3376 *interrupt_status = INTERRUPT_STOP;
3377 return STATUS_ERROR;
3381 //=============================================================================
3385 //=============================================================================
3386 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3387 const TopoDS_Shape& aShape,
3388 MapShapeNbElems& aResMap)
3390 double diagonal = aMesh.GetShapeDiagonalSize();
3391 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3392 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3393 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3394 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3395 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3396 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3397 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3399 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3400 _phySizeRel = _hypothesis->IsPhySizeRel();
3401 if ( _hypothesis->GetPhySize() > 0)
3402 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3403 //_geometricMesh = (int) hyp->GetGeometricMesh();
3404 if (_hypothesis->GetAngleMesh() > 0)
3405 _angleMesh = _hypothesis->GetAngleMesh();
3406 _elementType = _hypothesis->GetElementType();
3408 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3409 // GetDefaultPhySize() sometimes leads to computation failure
3410 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3413 bool IsQuadratic = _quadraticMesh;
3418 TopTools_DataMapOfShapeInteger EdgesMap;
3419 double fullLen = 0.0;
3420 double fullNbSeg = 0;
3421 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3422 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3423 if( EdgesMap.IsBound(E) )
3425 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3426 double aLen = SMESH_Algo::EdgeLength(E);
3429 if(_physicalMesh==1) {
3430 nb1d = (int)( aLen/_phySize + 1 );
3435 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3436 double fullAng = 0.0;
3437 double dp = (l-f)/200;
3442 for(int j=2; j<=200; j++) {
3445 fullAng += fabs(V1.Angle(V2));
3449 nb1d = (int)( fullAng/_angleMesh + 1 );
3452 std::vector<int> aVec(SMDSEntity_Last);
3453 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3454 if( IsQuadratic > 0 ) {
3455 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3456 aVec[SMDSEntity_Quad_Edge] = nb1d;
3459 aVec[SMDSEntity_Node] = nb1d - 1;
3460 aVec[SMDSEntity_Edge] = nb1d;
3462 aResMap.insert(std::make_pair(sm,aVec));
3463 EdgesMap.Bind(E,nb1d);
3465 double ELen = fullLen/fullNbSeg;
3469 // try to evaluate as in MEFISTO
3470 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3471 TopoDS_Face F = TopoDS::Face( exp.Current() );
3472 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3474 BRepGProp::SurfaceProperties(F,G);
3475 double anArea = G.Mass();
3477 std::vector<int> nb1dVec;
3478 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3479 int nbSeg = EdgesMap.Find(exp1.Current());
3481 nb1dVec.push_back( nbSeg );
3484 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3485 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3486 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3488 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3490 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3492 nbNodes = (n1 + 1) * (n2 + 1);
3497 nbTria = nbQuad = nbTria / 3 + 1;
3500 std::vector<int> aVec(SMDSEntity_Last,0);
3502 int nb1d_in = (nbTria*3 - nb1d) / 2;
3503 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3504 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3505 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3508 aVec[SMDSEntity_Node] = nbNodes;
3509 aVec[SMDSEntity_Triangle] = nbTria;
3510 aVec[SMDSEntity_Quadrangle] = nbQuad;
3512 aResMap.insert(std::make_pair(sm,aVec));
3519 BRepGProp::VolumeProperties(aShape,G);
3520 double aVolume = G.Mass();
3521 double tetrVol = 0.1179*ELen*ELen*ELen;
3522 int nbVols = int(aVolume/tetrVol);
3523 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3524 std::vector<int> aVec(SMDSEntity_Last);
3525 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3527 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3528 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3531 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3532 aVec[SMDSEntity_Tetra] = nbVols;
3534 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3535 aResMap.insert(std::make_pair(sm,aVec));