1 // Copyright (C) 2007-2021 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 // File : BLSURFPlugin_BLSURF.cxx
22 // Authors : Francis KLOSS (OCC) & Patrick LAUG (INRIA) & Lioka RAZAFINDRAZAKA (CEA)
23 // & Aurelien ALLEAUME (DISTENE)
24 // Size maps developement: Nicolas GEIMER (OCC) & Gilles DAVID (EURIWARE)
27 #include "BLSURFPlugin_BLSURF.hxx"
28 #include "BLSURFPlugin_Hypothesis.hxx"
29 #include "BLSURFPlugin_Attractor.hxx"
32 #include <meshgems/meshgems.h>
33 #include <meshgems/cadsurf.h>
36 #include <structmember.h>
39 #include <Basics_Utils.hxx>
41 #include <SMDS_EdgePosition.hxx>
42 #include <SMESHDS_Group.hxx>
43 #include <SMESH_Gen.hxx>
44 #include <SMESH_Group.hxx>
45 #include <SMESH_MGLicenseKeyGen.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 <BRepBndLib.hxx>
63 #include <BRepBuilderAPI_MakeFace.hxx>
64 #include <BRepBuilderAPI_MakePolygon.hxx>
65 #include <BRepBuilderAPI_MakeWire.hxx>
66 #include <BRepGProp.hxx>
67 #include <BRepTools.hxx>
68 #include <BRep_Builder.hxx>
69 #include <BRep_Tool.hxx>
70 #include <GProp_GProps.hxx>
71 #include <Geom2d_Curve.hxx>
72 #include <Geom2d_Line.hxx>
73 #include <GeomAPI_ProjectPointOnCurve.hxx>
74 #include <GeomAPI_ProjectPointOnSurf.hxx>
75 #include <Geom_Curve.hxx>
76 #include <Geom_Surface.hxx>
77 #include <NCollection_DataMap.hxx>
78 #include <NCollection_Map.hxx>
79 #include <Standard_ErrorHandler.hxx>
81 #include <TopExp_Explorer.hxx>
82 #include <TopTools_DataMapOfShapeInteger.hxx>
83 #include <TopTools_IndexedMapOfShape.hxx>
84 #include <TopTools_MapOfShape.hxx>
86 #include <TopoDS_Compound.hxx>
87 #include <TopoDS_Edge.hxx>
88 #include <TopoDS_Face.hxx>
89 #include <TopoDS_Shape.hxx>
90 #include <TopoDS_Vertex.hxx>
91 #include <TopoDS_Wire.hxx>
93 #include <gp_Pnt2d.hxx>
103 /* ==================================
104 * =========== PYTHON ==============
105 * ==================================*/
116 PyStdOut_dealloc(PyStdOut *self)
122 PyStdOut_write(PyStdOut *self, PyObject *args)
126 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
129 *(self->out)=*(self->out)+c;
135 static PyMethodDef PyStdOut_methods[] = {
136 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
137 PyDoc_STR("write(string) -> None")},
138 {0, 0, 0, 0} /* sentinel */
141 static PyMemberDef PyStdOut_memberlist[] = {
142 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
143 (char*)"flag indicating that a space needs to be printed; used by print"},
144 {0, 0, 0, 0, 0} /* Sentinel */
147 static PyTypeObject PyStdOut_Type = {
148 /* The ob_type field must be initialized in the module init function
149 * to be portable to Windows without using C++. */
150 PyVarObject_HEAD_INIT(NULL, 0)
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*/
198 0, /*tp_version_tag*/
202 PyObject * newPyStdOut( std::string& out )
204 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
209 return (PyObject*)self;
214 ////////////////////////END PYTHON///////////////////////////
216 //////////////////MY MAPS////////////////////////////////////////
218 TopTools_IndexedMapOfShape FacesWithSizeMap;
219 std::map<int,string> FaceId2SizeMap;
220 TopTools_IndexedMapOfShape EdgesWithSizeMap;
221 std::map<int,string> EdgeId2SizeMap;
222 TopTools_IndexedMapOfShape VerticesWithSizeMap;
223 std::map<int,string> VertexId2SizeMap;
225 std::map<int,PyObject*> FaceId2PythonSmp;
226 std::map<int,PyObject*> EdgeId2PythonSmp;
227 std::map<int,PyObject*> VertexId2PythonSmp;
229 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
230 TId2ClsAttractorVec FaceId2ClassAttractor;
231 TId2ClsAttractorVec FaceIndex2ClassAttractor;
232 std::map<int,std::vector<double> > FaceId2AttractorCoords;
235 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
236 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
237 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
238 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
239 SMESH_MesherHelper* theHelper;
241 bool HasSizeMapOnFace=false;
242 bool HasSizeMapOnEdge=false;
243 bool HasSizeMapOnVertex=false;
244 //bool HasAttractorOnFace=false;
246 //=============================================================================
250 //=============================================================================
252 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
255 : SMESH_2D_Algo(hypId, gen)
257 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
258 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
259 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
261 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
262 _requireDiscreteBoundary = false;
263 _onlyUnaryInput = false;
265 _supportSubmeshes = true;
266 _requireShape = theHasGEOM;
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)
506 GEOM::GEOM_Object_var aGeomObj;
507 TopoDS_Shape S = TopoDS_Shape();
508 SALOMEDS::SObject_var aSObj = SMESH_Gen_i::GetSMESHGen()->getStudyServant()->FindObjectID( entry.c_str() );
509 if (!aSObj->_is_nil()) {
510 CORBA::Object_var obj = aSObj->GetObject();
511 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
514 if ( !aGeomObj->_is_nil() )
515 S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj.in() );
519 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
521 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
523 // Find the face and get the (u,v) values of the enforced vertex on the face
524 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
525 if ( faceShape.IsNull() )
528 enf_coords.push_back(aPnt.X());
529 enf_coords.push_back(aPnt.Y());
530 enf_coords.push_back(aPnt.Z());
532 coords.push_back(myPoint.uv.X());
533 coords.push_back(myPoint.uv.Y());
534 coords.push_back(myPoint.xyz.X());
535 coords.push_back(myPoint.xyz.Y());
536 coords.push_back(myPoint.xyz.Z());
538 s_coords.push_back(myPoint.xyz.X());
539 s_coords.push_back(myPoint.xyz.Y());
540 s_coords.push_back(myPoint.xyz.Z());
542 // Save pair projected vertex / enf vertex
543 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
544 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
545 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
546 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
547 if (ret.second == false) {
549 (*it)->grpName = enfVertex->grpName;
553 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
554 key = FacesWithEnforcedVertices.Add(faceShape);
557 key = FacesWithEnforcedVertices.FindIndex(faceShape);
560 // If a node is already created by an attractor, do not create enforced vertex
561 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
562 bool sameAttractor = false;
563 if (attractorKey >= 0)
564 if (FaceId2AttractorCoords.count(attractorKey) > 0)
565 if (FaceId2AttractorCoords[attractorKey] == coords)
566 sameAttractor = true;
568 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
570 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
573 if (! sameAttractor) {
574 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
576 FaceId2EnforcedVertexCoords[key] = ens;
581 /////////////////////////////////////////////////////////
582 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
584 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
587 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
589 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
590 enfVertex = *enfVertexListIt;
591 // Case of manual coords
592 if (enfVertex->coords.size() != 0) {
593 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
594 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
597 // Case of geom vertex coords
598 if (enfVertex->geomEntry != "") {
599 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
600 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
601 if (GeomType == TopAbs_VERTEX)
603 enfVertex->vertex = TopoDS::Vertex( GeomShape );
604 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
605 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
608 if (GeomType == TopAbs_COMPOUND)
610 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
611 if (it.Value().ShapeType() == TopAbs_VERTEX)
613 enfVertex->vertex = TopoDS::Vertex( it.Value() );
614 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
615 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
622 /////////////////////////////////////////////////////////
623 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
625 double xa=0., ya=0., za=0.; // Coordinates of attractor point
626 double a, b; // Attractor parameter
628 bool createNode=false; // To create a node on attractor projection
630 const char *sep = ";";
631 // atIt->second has the following pattern:
632 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
634 // xa;ya;za : coordinates of attractor
635 // a : desired size on attractor
636 // b : distance of influence of attractor
637 // d : distance until which the size remains constant
639 // We search the parameters in the string
641 pos1 = AttractorFunction.find(sep);
642 if (pos1!=string::npos)
643 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
645 pos2 = AttractorFunction.find(sep, pos1+1);
646 if (pos2!=string::npos) {
647 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
651 pos2 = AttractorFunction.find(sep, pos1+1);
652 if (pos2!=string::npos) {
653 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
657 pos2 = AttractorFunction.find(sep, pos1+1);
658 if (pos2!=string::npos) {
659 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
663 pos2 = AttractorFunction.find(sep, pos1+1);
664 if (pos2!=string::npos) {
665 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
669 pos2 = AttractorFunction.find(sep, pos1+1);
670 if (pos2!=string::npos) {
671 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
672 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
676 pos2 = AttractorFunction.find(")");
677 if (pos2!=string::npos) {
678 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
681 // Get the (u,v) values of the attractor on the face
682 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
683 gp_XY uvPoint = myPoint.uv;
684 gp_XYZ xyzPoint = myPoint.xyz;
685 Standard_Real u0 = uvPoint.X();
686 Standard_Real v0 = uvPoint.Y();
687 Standard_Real x0 = xyzPoint.X();
688 Standard_Real y0 = xyzPoint.Y();
689 Standard_Real z0 = xyzPoint.Z();
690 std::vector<double> coords;
691 coords.push_back(u0);
692 coords.push_back(v0);
693 coords.push_back(x0);
694 coords.push_back(y0);
695 coords.push_back(z0);
696 // We construct the python function
697 ostringstream attractorFunctionStream;
698 attractorFunctionStream << "def f(u,v): return ";
699 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
700 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
701 // rnc: make possible to keep the size constant until
702 // a defined distance. Distance is expressed as the positiv part
703 // of r-d where r is the distance to (u0,v0)
704 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
707 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
708 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
711 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
713 FaceId2SizeMap[key] =attractorFunctionStream.str();
715 FaceId2AttractorCoords[key] = coords;
717 // // Test for new attractors
718 // gp_Pnt myP(xyzPoint);
719 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
720 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
721 // myAttractor.SetParameters(a, defaultSize, b, d);
722 // myAttractor.SetType(1);
723 // FaceId2ClassAttractor[key] = myAttractor;
724 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
728 // One sub-shape to get ids from
729 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
730 const TopoDS_Shape& theSubShape,
731 TopAbs_ShapeEnum theShapeType)
733 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
735 TopTools_MapOfShape subShapes;
736 TopTools_IndexedMapOfShape anIndices;
737 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
739 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
741 if ( subShapes.Add( face_iter.Current() )) // issue 23416
743 int face_id = anIndices.FindIndex( face_iter.Current() );
745 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
746 face_ids.push_back( face_id );
752 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
753 TopoDS_Shape theSubShape,
754 TopAbs_ShapeEnum theShapeType)
756 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
758 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
760 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
762 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
763 face_ids.push_back(face_id);
769 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
771 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
773 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
774 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
779 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
781 if (theVertexEntry!="")
783 TopoDS_Shape aShape = entryToShape(theVertexEntry);
785 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
786 double theX, theY, theZ;
791 theVerticesCoords.push_back(theX);
792 theVerticesCoords.push_back(theY);
793 theVerticesCoords.push_back(theZ);
797 /////////////////////////////////////////////////////////
798 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
800 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
801 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
803 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
804 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
806 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
807 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
808 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
810 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
811 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
813 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
816 /////////////////////////////////////////////////////////
817 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
819 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
820 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
822 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
823 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
825 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
826 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
827 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
829 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
830 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
832 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
836 /////////////////////////////////////////////////////////
838 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
839 cadsurf_session_t * css,
840 const TopoDS_Shape& theGeomShape)
843 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
844 FacesWithSizeMap.Clear();
845 FaceId2SizeMap.clear();
846 EdgesWithSizeMap.Clear();
847 EdgeId2SizeMap.clear();
848 VerticesWithSizeMap.Clear();
849 VertexId2SizeMap.clear();
850 FaceId2PythonSmp.clear();
851 EdgeId2PythonSmp.clear();
852 VertexId2PythonSmp.clear();
853 FaceId2AttractorCoords.clear();
854 FaceId2ClassAttractor.clear();
855 FaceIndex2ClassAttractor.clear();
856 FacesWithEnforcedVertices.Clear();
857 FaceId2EnforcedVertexCoords.clear();
858 EnfVertexCoords2ProjVertex.clear();
859 EnfVertexCoords2EnfVertexList.clear();
861 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
862 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
863 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
864 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
865 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
866 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
867 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
868 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
869 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
870 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
871 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
872 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
873 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
874 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
875 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
876 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
877 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
878 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
879 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
880 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
881 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
882 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
883 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
884 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
885 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
886 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
887 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
888 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
889 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
890 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
891 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
892 bool _useSurfaceProximity = BLSURFPlugin_Hypothesis::GetDefaultUseSurfaceProximity ();
893 int _nbSurfaceProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbSurfaceProximityLayers();
894 double _surfaceProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultSurfaceProximityRatio ();
895 bool _useVolumeProximity = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeProximity ();
896 int _nbVolumeProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbVolumeProximityLayers ();
897 double _volumeProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultVolumeProximityRatio ();
900 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
901 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
902 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
903 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
905 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
908 _physicalMesh = (int) hyp->GetPhysicalMesh();
909 _geometricMesh = (int) hyp->GetGeometricMesh();
910 if (hyp->GetPhySize() > 0) {
911 _phySize = hyp->GetPhySize();
912 // if user size is not explicitly specified, "relative" flag is ignored
913 _phySizeRel = hyp->IsPhySizeRel();
915 if (hyp->GetMinSize() > 0) {
916 _minSize = hyp->GetMinSize();
917 // if min size is not explicitly specified, "relative" flag is ignored
918 _minSizeRel = hyp->IsMinSizeRel();
920 if (hyp->GetMaxSize() > 0) {
921 _maxSize = hyp->GetMaxSize();
922 // if max size is not explicitly specified, "relative" flag is ignored
923 _maxSizeRel = hyp->IsMaxSizeRel();
925 _use_gradation = hyp->GetUseGradation();
926 if (hyp->GetGradation() > 0 && _use_gradation)
927 _gradation = hyp->GetGradation();
928 _use_volume_gradation = hyp->GetUseVolumeGradation();
929 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
930 _volume_gradation = hyp->GetVolumeGradation();
931 _elementType = hyp->GetElementType();
932 if (hyp->GetAngleMesh() > 0)
933 _angleMesh = hyp->GetAngleMesh();
934 if (hyp->GetChordalError() > 0)
935 _chordalError = hyp->GetChordalError();
936 _anisotropic = hyp->GetAnisotropic();
937 if (hyp->GetAnisotropicRatio() >= 0)
938 _anisotropicRatio = hyp->GetAnisotropicRatio();
939 _removeTinyEdges = hyp->GetRemoveTinyEdges();
940 if (hyp->GetTinyEdgeLength() > 0)
941 _tinyEdgeLength = hyp->GetTinyEdgeLength();
942 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
943 if (hyp->GetTinyEdgeOptimisationLength() > 0)
944 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
945 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
946 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
947 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
948 _badElementRemoval = hyp->GetBadElementRemoval();
949 if (hyp->GetBadElementAspectRatio() >= 0)
950 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
951 _optimizeMesh = hyp->GetOptimizeMesh();
952 _quadraticMesh = hyp->GetQuadraticMesh();
953 _verb = hyp->GetVerbosity();
954 //_topology = (int) hyp->GetTopology();
956 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
957 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
958 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
959 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
960 _useSurfaceProximity = hyp->GetUseSurfaceProximity ();
961 _nbSurfaceProximityLayers = hyp->GetNbSurfaceProximityLayers();
962 _surfaceProximityRatio = hyp->GetSurfaceProximityRatio ();
963 _useVolumeProximity = hyp->GetUseVolumeProximity ();
964 _nbVolumeProximityLayers = hyp->GetNbVolumeProximityLayers ();
965 _volumeProximityRatio = hyp->GetVolumeProximityRatio ();
968 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
969 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
970 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
971 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
972 if ( !opIt->second.empty() ) {
973 // With MeshGems 2.4-5, there are issues with periodicity and multithread
974 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
975 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
976 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
977 set_param(css, opIt->first.c_str(), "1");
980 set_param(css, opIt->first.c_str(), opIt->second.c_str());
984 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
985 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
986 if ( !opIt->second.empty() ) {
987 set_param(css, opIt->first.c_str(), opIt->second.c_str());
990 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
991 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
992 if ( !opIt->second.empty() ) {
993 set_param(css, opIt->first.c_str(), opIt->second.c_str());
996 if ( hyp->GetHyperPatches().size() < hyp->GetHyperPatchEntries().size() )
998 std::map< std::string, TopoDS_Shape > entryToShape;
999 FillEntryToShape( hyp, entryToShape );
1000 const_cast<BLSURFPlugin_Hypothesis*>( hyp )->SetHyperPatchIDsByEntry( theGeomShape,
1005 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
1007 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
1009 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
1010 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
1011 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
1012 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
1013 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
1014 //set_param(css, "max_number_of_points_per_patch", "1000000");
1016 bool useGradation = false;
1017 switch (_physicalMesh)
1019 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1020 set_param(css, "physical_size_mode", "global");
1021 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1022 //useGradation = true;
1024 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1025 set_param(css, "physical_size_mode", "local");
1026 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1027 //useGradation = true;
1030 set_param(css, "physical_size_mode", "none");
1033 switch (_geometricMesh)
1035 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1036 set_param(css, "geometric_size_mode", "global");
1037 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1038 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1039 //useGradation = true;
1041 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1042 set_param(css, "geometric_size_mode", "local");
1043 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1044 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1045 //useGradation = true;
1048 set_param(css, "geometric_size_mode", "none");
1051 if ( hyp && hyp->GetPhySize() > 0 ) {
1052 // user size is explicitly specified via hypothesis parameters
1053 // min and max sizes should be compared with explicitly specified user size
1054 // - compute absolute min size
1055 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1056 // - min size should not be greater than user size
1057 if ( _phySize < mins )
1058 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1060 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1061 // - compute absolute max size
1062 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1063 // - max size should not be less than user size
1064 if ( _phySize > maxs )
1065 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1067 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1070 // user size is not explicitly specified
1071 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1072 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1073 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1074 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1076 useGradation = true; // bos #18758
1077 // anisotropic and quadrangle mesh requires disabling gradation
1078 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1079 useGradation = false; // limitation of V1.3
1080 if ( useGradation && _use_gradation )
1081 set_param(css, "gradation", val_to_string(_gradation).c_str());
1082 if ( useGradation && _use_volume_gradation )
1083 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1085 // New since MeshGems 2.5: add full_quad
1086 const char * element_generation = "";
1087 switch ( _elementType )
1089 case BLSURFPlugin_Hypothesis::Triangles:
1090 element_generation = "triangle";
1092 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1093 element_generation = "quad_dominant";
1095 case BLSURFPlugin_Hypothesis::Quadrangles:
1096 element_generation = "full_quad";
1100 set_param(css, "element_generation", element_generation);
1103 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1105 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1106 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1107 if ( _removeTinyEdges )
1108 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1109 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1110 if ( _optimiseTinyEdges )
1111 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1112 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1113 if ( _correctSurfaceIntersec )
1114 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1115 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1116 if ( _badElementRemoval )
1117 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1118 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1119 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1120 set_param(css, "verbose", val_to_string(_verb).c_str());
1122 set_param(css, "use_surface_proximity", _useSurfaceProximity ? "yes" : "no" );
1123 if ( _useSurfaceProximity )
1125 set_param(css, "surface_proximity_layers", SMESH_Comment( _nbSurfaceProximityLayers ));
1126 set_param(css, "surface_proximity_ratio", SMESH_Comment( _surfaceProximityRatio ));
1128 set_param(css, "use_volume_proximity", _useVolumeProximity ? "yes" : "no" );
1129 if ( _useVolumeProximity )
1131 set_param(css, "volume_proximity_layers", SMESH_Comment( _nbVolumeProximityLayers ));
1132 set_param(css, "volume_proximity_ratio", SMESH_Comment( _volumeProximityRatio ));
1135 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1137 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1139 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1141 TopoDS_Shape GeomShape;
1142 TopoDS_Shape AttShape;
1143 TopAbs_ShapeEnum GeomType;
1145 // Standard Size Maps
1147 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1148 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1149 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1150 if ( !smIt->second.empty() ) {
1151 GeomShape = entryToShape(smIt->first);
1152 GeomType = GeomShape.ShapeType();
1155 if (GeomType == TopAbs_COMPOUND) {
1156 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1158 if (it.Value().ShapeType() == TopAbs_FACE){
1159 HasSizeMapOnFace = true;
1160 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1161 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1164 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1166 FaceId2SizeMap[key] = smIt->second;
1169 if (it.Value().ShapeType() == TopAbs_EDGE){
1170 HasSizeMapOnEdge = true;
1171 HasSizeMapOnFace = true;
1172 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1173 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1176 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1178 EdgeId2SizeMap[key] = smIt->second;
1180 // Group of vertices
1181 if (it.Value().ShapeType() == TopAbs_VERTEX){
1182 HasSizeMapOnVertex = true;
1183 HasSizeMapOnEdge = true;
1184 HasSizeMapOnFace = true;
1185 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1186 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1189 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1191 VertexId2SizeMap[key] = smIt->second;
1196 if (GeomType == TopAbs_FACE){
1197 HasSizeMapOnFace = true;
1198 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1199 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1202 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1204 FaceId2SizeMap[key] = smIt->second;
1207 if (GeomType == TopAbs_EDGE){
1208 HasSizeMapOnEdge = true;
1209 HasSizeMapOnFace = true;
1210 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1211 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1214 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1216 EdgeId2SizeMap[key] = smIt->second;
1219 if (GeomType == TopAbs_VERTEX){
1220 HasSizeMapOnVertex = true;
1221 HasSizeMapOnEdge = true;
1222 HasSizeMapOnFace = true;
1223 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1224 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1227 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1229 VertexId2SizeMap[key] = smIt->second;
1237 // TODO appeler le constructeur des attracteurs directement ici
1238 // if ( !_phySizeRel ) {
1239 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1240 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1241 for ( ; atIt != attractors.end(); ++atIt ) {
1242 if ( !atIt->second.empty() ) {
1243 GeomShape = entryToShape(atIt->first);
1244 GeomType = GeomShape.ShapeType();
1246 if (GeomType == TopAbs_COMPOUND){
1247 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1248 if (it.Value().ShapeType() == TopAbs_FACE){
1249 HasSizeMapOnFace = true;
1250 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1255 if (GeomType == TopAbs_FACE){
1256 HasSizeMapOnFace = true;
1257 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1260 if (GeomType == TopAbs_EDGE){
1261 HasSizeMapOnEdge = true;
1262 HasSizeMapOnFace = true;
1263 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1265 if (GeomType == TopAbs_VERTEX){
1266 HasSizeMapOnVertex = true;
1267 HasSizeMapOnEdge = true;
1268 HasSizeMapOnFace = true;
1269 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1277 // temporary commented out for testing
1279 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1280 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1281 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1283 // - Construct the attractors with an empty dist. map in the hypothesis
1284 // - 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()
1285 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1287 theNbAttractors = 0;
1288 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1290 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1291 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1292 if ( !AtIt->second->Empty() ) {
1293 GeomShape = entryToShape(AtIt->first);
1294 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1296 AttShape = AtIt->second->GetAttractorShape();
1297 GeomType = GeomShape.ShapeType();
1299 // if (GeomType == TopAbs_COMPOUND){
1300 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1301 // if (it.Value().ShapeType() == TopAbs_FACE){
1302 // HasAttractorOnFace = true;
1303 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1308 if (GeomType == TopAbs_FACE
1309 && (AttShape.ShapeType() == TopAbs_VERTEX
1310 || AttShape.ShapeType() == TopAbs_EDGE
1311 || AttShape.ShapeType() == TopAbs_WIRE
1312 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1313 HasSizeMapOnFace = true;
1315 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1317 FaceId2ClassAttractor[key].push_back( AtIt->second );
1321 MESSAGE("Wrong shape type !!")
1329 // Enforced Vertices
1331 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1332 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1333 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1334 if ( !enfIt->second.empty() ) {
1335 GeomShape = entryToShape(enfIt->first);
1336 if ( GeomShape.IsNull() )
1338 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1341 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1343 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1344 if (it.Value().ShapeType() == TopAbs_FACE){
1345 HasSizeMapOnFace = true;
1346 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1350 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1352 HasSizeMapOnFace = true;
1353 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1358 // Internal vertices
1359 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1360 if (useInternalVertexAllFaces) {
1361 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1363 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1364 for (; exp.More(); exp.Next()){
1365 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1366 for (; exp_face.More(); exp_face.Next())
1368 // Get coords of vertex
1369 // Check if current coords is already in enfVertexList
1370 // If coords not in enfVertexList, add new enfVertex
1371 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1372 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1373 enfVertex->coords.push_back(aPnt.X());
1374 enfVertex->coords.push_back(aPnt.Y());
1375 enfVertex->coords.push_back(aPnt.Z());
1376 enfVertex->name = "";
1377 enfVertex->faceEntries.clear();
1378 enfVertex->geomEntry = "";
1379 enfVertex->grpName = grpName;
1380 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1381 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1382 HasSizeMapOnFace = true;
1387 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1389 if (HasSizeMapOnEdge){
1390 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1392 if (HasSizeMapOnVertex){
1393 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1400 _preCadFacesIDsPeriodicityVector.clear();
1401 _preCadEdgesIDsPeriodicityVector.clear();
1403 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1404 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1407 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1409 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1410 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1414 //================================================================================
1416 * \brief Throws an exception if a parameter name is wrong
1418 //================================================================================
1420 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1421 const char * option_name,
1422 const char * option_value)
1424 status_t status = cadsurf_set_param(css, option_name, option_value );
1426 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1427 cout << option_name << " = " << option_value << endl;
1429 if ( status != MESHGEMS_STATUS_OK )
1431 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1432 throw SALOME_Exception
1433 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1435 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1436 throw SALOME_Exception
1437 ( "No valid license available" );
1439 throw SALOME_Exception
1440 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1441 << option_name << "': " << option_value);
1447 // --------------------------------------------------------------------------
1449 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1451 struct BLSURF_Cleaner
1454 cadsurf_session_t* _css;
1458 BLSURF_Cleaner(context_t * ctx,
1459 cadsurf_session_t* css=0,
1470 Clean( /*exceptContext=*/false );
1472 void Clean(const bool exceptContext)
1476 cadsurf_session_delete(_css); _css = 0;
1478 // #if BLSURF_VERSION_LONG >= "3.1.1"
1479 // // if(geo_sizemap_e)
1480 // // distene_sizemap_delete(geo_sizemap_e);
1481 // // if(geo_sizemap_f)
1482 // // distene_sizemap_delete(geo_sizemap_f);
1483 // if(iso_sizemap_p)
1484 // distene_sizemap_delete(iso_sizemap_p);
1485 // if(iso_sizemap_e)
1486 // distene_sizemap_delete(iso_sizemap_e);
1487 // if(iso_sizemap_f)
1488 // distene_sizemap_delete(iso_sizemap_f);
1490 // // if(clean_geo_sizemap_e)
1491 // // distene_sizemap_delete(clean_geo_sizemap_e);
1492 // // if(clean_geo_sizemap_f)
1493 // // distene_sizemap_delete(clean_geo_sizemap_f);
1494 // if(clean_iso_sizemap_p)
1495 // distene_sizemap_delete(clean_iso_sizemap_p);
1496 // if(clean_iso_sizemap_e)
1497 // distene_sizemap_delete(clean_iso_sizemap_e);
1498 // if(clean_iso_sizemap_f)
1499 // distene_sizemap_delete(clean_iso_sizemap_f);
1502 cad_delete(_cad); _cad = 0;
1503 dcad_delete(_dcad); _dcad = 0;
1504 if ( !exceptContext )
1506 context_delete(_ctx); _ctx = 0;
1512 // --------------------------------------------------------------------------
1513 // comparator to sort nodes and sub-meshes
1514 struct ShapeTypeCompare
1516 // sort nodes by position in the following order:
1517 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1518 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1520 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1521 //return n1->getIdInShape() < n2->getIdInShape();
1522 return n1->GetID() < n2->GetID(); // earlier created nodes have less IDs
1524 // sort sub-meshes in order: EDGE, VERTEX
1525 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1527 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1528 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1529 if ( isVertex1 == isVertex2 )
1531 return isVertex1 < isVertex2;
1535 //================================================================================
1537 * \brief Fills groups of nodes to be merged
1539 //================================================================================
1541 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1542 const TopoDS_Shape& shape,
1543 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1545 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1546 switch ( shape.ShapeType() )
1548 case TopAbs_VERTEX: {
1549 std::list< const SMDS_MeshNode* > nodes;
1550 while ( nIt->more() )
1551 nodes.push_back( nIt->next() );
1552 if ( nodes.size() > 1 )
1553 nodeGroupsToMerge.push_back( nodes );
1557 std::multimap< double, const SMDS_MeshNode* > u2node;
1558 while ( nIt->more() )
1560 const SMDS_MeshNode* n = nIt->next();
1561 if ( SMDS_EdgePositionPtr ePos = n->GetPosition() )
1562 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1564 if ( u2node.size() < 2 ) return;
1566 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1568 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1569 double tol = (( l - f ) / 10.) / double( u2node.size() ); // 10. - adjusted for #17262
1571 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1572 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1574 if (( un2->first - un1->first ) <= tol )
1576 std::list< const SMDS_MeshNode* > nodes;
1577 nodes.push_back( un1->second );
1578 while (( un2->first - un1->first ) <= tol )
1580 nodes.push_back( un2->second );
1581 if ( ++un2 == u2node.end()) {
1586 // make nodes created on the boundary of viscous layer replace nodes created
1587 // by MG-CADSurf as their SMDS_Position is more correct
1588 nodes.sort( ShapeTypeCompare() );
1589 nodeGroupsToMerge.push_back( nodes );
1596 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1597 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1599 // cout << "Merge ";
1600 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1601 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1602 // for ( ; nIt != nl.end(); ++nIt )
1603 // cout << (*nIt) << " ";
1609 //================================================================================
1611 * \brief A temporary mesh used to compute mesh on a proxy FACE
1613 //================================================================================
1615 struct TmpMesh: public SMESH_Mesh
1617 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1618 TN2NMap _tmp2origNN;
1619 TopoDS_Face _proxyFace;
1623 _myMeshDS = new SMESHDS_Mesh( _id, true );
1625 //--------------------------------------------------------------------------------
1627 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1629 //--------------------------------------------------------------------------------
1631 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1632 const TopoDS_Face& origFace)
1634 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1636 SMESH_MesherHelper helper( *origMesh );
1637 helper.SetSubShape( origFace );
1638 const bool hasSeam = helper.HasRealSeam();
1640 // get data of nodes on inner boundary of viscous layers
1642 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1643 /*skipMediumNodes = */true,
1644 err, &helper, viscousMesh );
1645 if ( err && err->IsKO() )
1646 throw *err.get(); // it should be caught at SMESH_subMesh
1648 // proxy nodes and corresponding tmp VERTEXes
1649 std::vector<const SMDS_MeshNode*> origNodes;
1650 std::vector<TopoDS_Vertex> tmpVertex;
1652 // create a proxy FACE
1653 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1654 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1655 bool hasPCurves = false;
1656 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1658 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1659 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1660 if ( wirePoints.size() < 3 )
1663 BRepBuilderAPI_MakePolygon polygon;
1664 const size_t i0 = tmpVertex.size();
1665 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1667 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1668 origNodes.push_back( wirePoints[ iN ].node );
1669 tmpVertex.push_back( polygon.LastVertex() );
1671 // check presence of a pcurve
1672 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1674 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1676 if ( !polygon.IsDone() )
1677 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1678 TopoDS_Wire wire = polygon;
1680 wire = updateSeam( wire, origNodes );
1681 newFace.Add( wire );
1683 _proxyFace = newFace;
1685 // set a new shape to mesh
1686 TopoDS_Compound auxCompoundToMesh;
1687 BRep_Builder shapeBuilder;
1688 shapeBuilder.MakeCompound( auxCompoundToMesh );
1689 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1690 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1692 ShapeToMesh( auxCompoundToMesh );
1695 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1697 // make nodes and fill in _tmp2origNN
1699 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1700 for ( size_t i = 0; i < origNodes.size(); ++i )
1702 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1703 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1704 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1705 // else -- it can be a seam vertex replaced by updateSeam()
1706 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1710 TopoDS_Vertex v1, v2;
1711 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1713 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1714 TopExp::Vertices( E, v1, v2 );
1715 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1716 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1718 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1719 tmpMeshDS->SetMeshElementOnShape( seg, E );
1725 //--------------------------------------------------------------------------------
1727 * \brief Add pcurve to the last edge of a wire
1729 //--------------------------------------------------------------------------------
1731 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1732 const TopoDS_Face& face,
1734 const uvPtStruct * wirePoints )
1738 TopoDS_Edge edge = wire.Edge();
1739 if ( edge.IsNull() ) return;
1741 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1746 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1747 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1748 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1749 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1750 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1751 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1752 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1753 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1756 //--------------------------------------------------------------------------------
1758 * \brief Replace coincident EDGEs with reversed copies.
1760 //--------------------------------------------------------------------------------
1762 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1763 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1765 BRepBuilderAPI_MakeWire newWire;
1767 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1768 TSeg2EdgeMap seg2EdgeMap;
1770 TopoDS_Iterator edgeIt( wire );
1771 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1773 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1774 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1776 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1777 bool isSeam = ( *edgeInMap != edge );
1780 edgeInMap->Reverse();
1783 newWire.Add( edge );
1788 //--------------------------------------------------------------------------------
1790 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1792 //--------------------------------------------------------------------------------
1794 void FillInOrigMesh( SMESH_Mesh& origMesh,
1795 const TopoDS_Face& origFace )
1797 SMESH_MesherHelper helper( origMesh );
1798 helper.SetSubShape( origFace );
1799 helper.SetElementsOnShape( true );
1801 SMESH_MesherHelper tmpHelper( *this );
1802 tmpHelper.SetSubShape( _proxyFace );
1804 // iterate over tmp faces and copy them in origMesh
1805 const SMDS_MeshNode* nodes[27];
1806 const SMDS_MeshNode* nullNode = 0;
1808 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator();
1809 while ( fIt->more() )
1811 const SMDS_MeshElement* f = fIt->next();
1812 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1814 for ( ; nIt->more(); ++nbN )
1816 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1817 TN2NMap::iterator n2nIt =
1818 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1819 if ( !n2nIt->second ) {
1821 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1822 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], /*id=*/0, uv.X(), uv.Y() );
1824 nodes[ nbN ] = n2nIt->second;
1827 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1828 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1829 // nodes[3], nodes[4], nodes[5]); break;
1830 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1831 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1832 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1833 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1834 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1841 * \brief A structure holding an error description and a verbisity level
1843 struct message_cb_user_data
1845 std::string * _error;
1852 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1853 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1854 real *duu, real *duv, real *dvv, void *user_data);
1855 status_t message_cb(message_t *msg, void *user_data);
1856 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1858 //=============================================================================
1862 //=============================================================================
1864 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1866 // Fix problem with locales
1867 Kernel_Utils::Localizer aLocalizer;
1869 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1871 bool viscousLayersMade =
1872 ( aShape.ShapeType() == TopAbs_FACE &&
1873 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1875 if ( !viscousLayersMade )
1876 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1879 if ( _haveViscousLayers || viscousLayersMade )
1881 // Compute viscous layers
1883 TopTools_MapOfShape map;
1884 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1886 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1887 if ( !map.Add( F )) continue;
1888 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1890 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1892 // Compute MG-CADSurf mesh on viscous layers
1894 if ( viscousMesh->NbProxySubMeshes() > 0 )
1897 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1898 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1900 tmpMesh.FillInOrigMesh( aMesh, F );
1904 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1906 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1908 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1909 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1910 if ( fSM->IsMeshComputed() ) continue;
1912 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1920 //=============================================================================
1924 //=============================================================================
1926 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1927 const TopoDS_Shape& aShape,
1928 bool allowSubMeshClearing)
1930 /* create a distene context (generic object) */
1931 status_t status = STATUS_ERROR;
1933 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1934 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1935 myHelper = theHelper = & helperWithShape;
1936 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1937 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1938 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1939 bool quadraticSubMeshAndViscousLayer = false;
1940 bool needMerge = false;
1941 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1942 TSubMeshSet edgeSubmeshes;
1943 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1944 double existingPhySize = 0;
1946 TopTools_IndexedMapOfShape pmap, emap, fmap;
1948 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1949 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1951 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1953 feclearexcept( FE_ALL_EXCEPT );
1954 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1957 context_t *ctx = context_new();
1959 /* Set the message callback in the working context */
1960 message_cb_user_data mcud;
1961 mcud._error = & this->SMESH_Algo::_comment;
1962 mcud._progress = & this->SMESH_Algo::_progress;
1964 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1965 context_set_message_callback(ctx, message_cb, &mcud);
1967 /* set the interruption callback */
1968 _compute_canceled = false;
1969 context_set_interrupt_callback(ctx, interrupt_cb, this);
1971 /* create the CAD object we will work on. It is associated to the context ctx. */
1972 cad_t *c = cad_new(ctx);
1973 dcad_t *dcad = dcad_new(c);
1975 // To enable multithreading
1976 cad_set_thread_safety(c, 1);
1978 /* Now fill the CAD object with data from your CAD
1979 * environement. This is the most complex part of a successfull
1985 cadsurf_session_t *css = cadsurf_session_new(ctx);
1987 // an object that correctly deletes all cadsurf objects at destruction
1988 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1990 SetParameters(_hypothesis, css, aShape);
1992 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1993 helper.SetIsQuadratic( haveQuadraticSubMesh );
1995 // To remove as soon as quadratic mesh is allowed - BEGIN
1996 // GDD: Viscous layer is not allowed with quadratic mesh
1997 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1998 quadraticSubMeshAndViscousLayer = true;
1999 _haveViscousLayers = !haveQuadraticSubMesh;
2000 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
2001 error(COMPERR_WARNING, _comment);
2003 // To remove as soon as quadratic mesh is allowed - END
2005 // needed to prevent the opencascade memory managmement from freeing things
2006 vector<Handle(Geom2d_Curve)> curves;
2007 vector<Handle(Geom_Surface)> surfaces;
2011 FaceId2PythonSmp.clear();
2012 EdgeId2PythonSmp.clear();
2013 VertexId2PythonSmp.clear();
2015 /****************************************************************************************
2017 *****************************************************************************************/
2019 string bad_end = "return";
2021 TopTools_IndexedMapOfShape _map;
2022 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
2023 int ienf = _map.Extent();
2025 assert(Py_IsInitialized());
2026 PyGILState_STATE gstate;
2028 string theSizeMapStr;
2030 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2032 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2034 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2035 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2037 // make INTERNAL face oriented FORWARD (issue 0020993)
2038 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2039 f.Orientation(TopAbs_FORWARD);
2041 iface = fmap.Add(f);
2043 surfaces.push_back(BRep_Tool::Surface(f));
2045 /* create an object representing the face for cadsurf */
2046 /* where face_id is an integer identifying the face.
2047 * surf_function is the function that defines the surface
2048 * (For this face, it will be called by cadsurf with your_face_object_ptr
2049 * as last parameter.
2051 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2053 /* by default a face has no tag (color).
2054 The following call sets it to the same value as the Geom module ID : */
2055 int faceTag = meshDS->ShapeToIndex(f);
2056 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2057 cad_face_set_tag(fce, faceTag);
2059 /* Set face orientation (optional if you want a well oriented output mesh)*/
2060 if(f.Orientation() != TopAbs_FORWARD)
2061 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2063 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2065 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2067 // -----------------
2069 // -----------------
2070 faceKey = FacesWithSizeMap.FindIndex(f);
2073 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2075 theSizeMapStr = FaceId2SizeMap[faceKey];
2076 // check if function ends with "return"
2077 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2079 // Expr To Python function, verification is performed at validation in GUI
2080 gstate = PyGILState_Ensure();
2081 PyObject * obj = NULL;
2082 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2084 PyObject * func = NULL;
2085 func = PyObject_GetAttrString(main_mod, "f");
2086 FaceId2PythonSmp[iface]=func;
2087 FaceId2SizeMap.erase(faceKey);
2088 PyGILState_Release(gstate);
2091 // Specific size map = Attractor
2092 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2094 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2095 if (attractor_iter->first == faceKey)
2097 double xyzCoords[3] = {attractor_iter->second[2],
2098 attractor_iter->second[3],
2099 attractor_iter->second[4]};
2101 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2102 BRepClass_FaceClassifier scl(f,P,1e-7);
2103 scl.Perform(f, P, 1e-7);
2104 TopAbs_State result = scl.State();
2105 if ( result == TopAbs_OUT )
2106 MESSAGE("Point is out of face: node is not created");
2107 if ( result == TopAbs_UNKNOWN )
2108 MESSAGE("Point position on face is unknown: node is not created");
2109 if ( result == TopAbs_ON )
2110 MESSAGE("Point is on border of face: node is not created");
2111 if ( result == TopAbs_IN )
2113 // Point is inside face and not on border
2114 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2116 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2117 cad_point_set_tag(point_p, ienf);
2119 FaceId2AttractorCoords.erase(faceKey);
2123 // -----------------
2125 // -----------------
2126 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2127 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2128 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2129 for ( size_t i = 0; i < attVec.size(); ++i )
2130 if ( !attVec[i]->IsMapBuilt() ) {
2131 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2132 attVec[i]->BuildMap();
2134 FaceIndex2ClassAttractor[iface].swap( attVec );
2135 FaceId2ClassAttractor.erase(clAttractor_iter);
2137 } // if (HasSizeMapOnFace && !use_precad)
2139 // ------------------
2140 // Enforced Vertices
2141 // ------------------
2142 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2143 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2144 if (evmIt != FaceId2EnforcedVertexCoords.end())
2146 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2147 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2148 for (; evlIt != evl.end(); ++evlIt)
2150 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2152 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2154 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2155 xyzCoords.push_back(evlIt->at(2));
2156 xyzCoords.push_back(evlIt->at(3));
2157 xyzCoords.push_back(evlIt->at(4));
2158 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2159 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2160 !enfCoordsIt->second.empty() )
2162 // to merge nodes of an INTERNAL vertex belonging to several faces
2163 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2164 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2165 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2167 tag = pmap.Add( v );
2168 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2169 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2170 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2171 // //if ( tag != pmap.Extent() )
2172 // needMerge = true;
2175 if ( tag == 0 ) tag = ienf;
2176 cad_point_set_tag(point_p, tag);
2178 FaceId2EnforcedVertexCoords.erase(faceKey);
2182 /****************************************************************************************
2184 now create the edges associated to this face
2185 *****************************************************************************************/
2187 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2189 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2190 int ic = emap.FindIndex(e);
2195 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2197 if (HasSizeMapOnEdge){
2198 edgeKey = EdgesWithSizeMap.FindIndex(e);
2199 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2201 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2202 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2204 // Expr To Python function, verification is performed at validation in GUI
2205 gstate = PyGILState_Ensure();
2206 PyObject * obj = NULL;
2207 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2209 PyObject * func = NULL;
2210 func = PyObject_GetAttrString(main_mod, "f");
2211 EdgeId2PythonSmp[ic]=func;
2212 EdgeId2SizeMap.erase(edgeKey);
2213 PyGILState_Release(gstate);
2216 /* data of nodes existing on the edge */
2217 StdMeshers_FaceSidePtr nodeData;
2218 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2219 if ( !sm->IsEmpty() )
2221 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2222 // /*complexFirst=*/false);
2223 // while ( subsmIt->more() )
2224 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2225 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2227 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2228 /*ignoreMedium=*/haveQuadraticSubMesh));
2229 if ( nodeData->MissVertexNode() )
2230 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2232 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2233 if ( !nodeDataVec.empty() )
2235 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2237 nodeData->Reverse();
2238 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2240 // tmin and tmax can change in case of viscous layer on an adjacent edge
2241 tmin = nodeDataVec.front().param;
2242 tmax = nodeDataVec.back().param;
2244 existingPhySize += nodeData->Length() / double( nodeDataVec.size() - 1 );
2248 cout << "---------------- Invalid nodeData" << endl;
2253 /* attach the edge to the current cadsurf face */
2254 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2256 /* by default an edge has no tag (color).
2257 The following call sets it to the same value as the edge_id : */
2258 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2259 bool isInHyperPatch = false;
2261 std::set< int > faceTags, faceIDs;
2262 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2263 for ( ; fIt.More(); fIt.Next() )
2265 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2266 if ( !faceIDs.insert( faceTag ).second )
2267 continue; // a face encounters twice for a seam edge
2268 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2269 if ( !faceTags.insert( hpTag ).second )
2271 isInHyperPatch = true;
2276 if ( !isInHyperPatch )
2277 cad_edge_set_tag(edg, ic);
2279 /* by default, an edge does not necessalry appear in the resulting mesh,
2280 unless the following property is set :
2282 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2284 /* by default an edge is a boundary edge */
2285 if (e.Orientation() == TopAbs_INTERNAL)
2286 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2288 // pass existing nodes of sub-meshes to MG-CADSurf
2291 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2292 const int nbNodes = (int) nodeDataVec.size();
2294 dcad_edge_discretization_t *dedge;
2295 dcad_get_edge_discretization(dcad, edg, &dedge);
2296 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2298 // cout << endl << " EDGE " << ic << endl;
2299 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2300 for ( int iN = 0; iN < nbNodes; ++iN )
2302 const UVPtStruct& nData = nodeDataVec[ iN ];
2303 double t = nData.param;
2304 real uv[2] = { nData.u, nData.v };
2305 SMESH_TNodeXYZ nXYZ( nData.node );
2306 // cout << "\tt = " << t
2307 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2308 // << "\t u = " << nData.param
2309 // << "\t ID = " << nData.node->GetID() << endl;
2310 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ.ChangeData() );
2312 TopoDS_Shape v = helper.GetSubShapeByNode( nodeDataVec[0].node, meshDS );
2313 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2314 dcad_edge_discretization_set_vertex_tag( dedge, 1, pmap.Add( v ));
2316 v = helper.GetSubShapeByNode( nodeDataVec.back().node, meshDS );
2317 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2318 dcad_edge_discretization_set_vertex_tag( dedge, nbNodes, pmap.Add( v ));
2320 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2323 /****************************************************************************************
2325 *****************************************************************************************/
2329 gp_Pnt2d e0 = curves.back()->Value(tmin);
2330 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2331 Standard_Real d1=0,d2=0;
2334 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2335 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2339 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2342 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2344 *ip = pmap.FindIndex(v);
2347 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2348 // if ( sm->IsMeshComputed() )
2349 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2352 // std::string aFileName = "fmap_vertex_";
2353 // aFileName.append(val_to_string(*ip));
2354 // aFileName.append(".brep");
2355 // BRepTools::Write(v,aFileName.c_str());
2357 if (HasSizeMapOnVertex){
2358 vertexKey = VerticesWithSizeMap.FindIndex(v);
2359 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2360 theSizeMapStr = VertexId2SizeMap[vertexKey];
2361 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2363 // Expr To Python function, verification is performed at validation in GUI
2364 gstate = PyGILState_Ensure();
2365 PyObject * obj = NULL;
2366 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2368 PyObject * func = NULL;
2369 func = PyObject_GetAttrString(main_mod, "f");
2370 VertexId2PythonSmp[*ip]=func;
2371 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2372 PyGILState_Release(gstate);
2377 // should not happen
2378 MESSAGE("An edge does not have 2 extremities.");
2381 // This defines the curves extremity connectivity
2382 cad_edge_set_extremities(edg, ip1, ip2);
2383 /* set the tag (color) to the same value as the extremity id : */
2384 cad_edge_set_extremities_tag(edg, ip1, ip2);
2387 cad_edge_set_extremities(edg, ip2, ip1);
2388 cad_edge_set_extremities_tag(edg, ip2, ip1);
2394 ///////////////////////
2396 ///////////////////////
2398 if (! _preCadFacesIDsPeriodicityVector.empty())
2400 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2401 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2402 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2403 int* theFace1_ids_c = &theFace1_ids[0];
2404 int* theFace2_ids_c = &theFace2_ids[0];
2405 std::ostringstream o;
2406 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2407 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2408 o << theFace1_ids[j] << ", ";
2410 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2411 o << theFace2_ids[j] << ", ";
2413 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2414 // cout << o.str() << endl;
2415 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2417 // If no source points, call periodicity without transformation function
2418 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2419 status = cad_add_face_multiple_periodicity_with_transformation_function
2420 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2421 (meshgems_integer) theFace2_ids.size(), periodicity_transformation, NULL);
2422 if(status != STATUS_OK)
2423 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2427 // get the transformation vertices
2428 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2429 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2430 int nbSourceVertices = (int)_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2431 int nbTargetVertices = (int)_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2433 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points
2434 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2435 (meshgems_integer) theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2436 if(status != STATUS_OK)
2437 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2442 if (! _preCadEdgesIDsPeriodicityVector.empty())
2444 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2445 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2446 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2447 // Use the address of the first element of the vector to initialize the array
2448 int* theEdge1_ids_c = &theEdge1_ids[0];
2449 int* theEdge2_ids_c = &theEdge2_ids[0];
2451 std::ostringstream o;
2452 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2453 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2454 o << theEdge1_ids[j] << ", ";
2456 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2457 o << theEdge2_ids[j] << ", ";
2459 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2460 // cout << o.str() << endl;
2462 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2464 // If no source points, call periodicity without transformation function
2465 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2466 status = cad_add_edge_multiple_periodicity_with_transformation_function
2467 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2468 (meshgems_integer) theEdge2_ids.size(), periodicity_transformation, NULL);
2469 if(status != STATUS_OK)
2470 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2474 // get the transformation vertices
2475 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2476 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2477 int nbSourceVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2478 int nbTargetVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2480 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points
2481 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2482 (meshgems_integer) theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2483 if(status != STATUS_OK)
2484 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2489 if ( !_hypothesis && !edgeSubmeshes.empty() && existingPhySize != 0 )
2491 // prevent failure due to the default PhySize incompatible with size of existing 1D mesh
2492 // and with face size
2493 // double minFaceSize = existingPhySize / edgeSubmeshes.size();
2494 // for ( int iF = 1; iF <= fmap.Extent(); ++iF )
2497 // BRepBndLib::Add( fmap( iF ), box );
2498 // gp_XYZ delta = box.CornerMax().XYZ() - box.CornerMin().XYZ();
2499 // std::sort( delta.ChangeData(), delta.ChangeData() + 3 );
2500 // minFaceSize = Min( minFaceSize, delta.Coord(2) );
2502 // set_param(css, "global_physical_size", val_to_string( minFaceSize * 0.5 ).c_str());
2503 // set_param(css, "max_size", val_to_string( minFaceSize * 5 ).c_str());
2506 // TODO: be able to use a mesh in input.
2507 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2508 // => cadsurf_set_mesh
2509 std::string errorTxt;
2510 if ( !SMESHUtils_MGLicenseKeyGen::SignCAD( c, errorTxt ))
2511 return error( "Problem with library SalomeMeshGemsKeyGenerator: " + errorTxt );
2513 // Use the original dcad
2514 cadsurf_set_dcad(css, dcad);
2516 // Use the original cad
2517 cadsurf_set_cad(css, c);
2519 std::cout << std::endl;
2520 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2521 std::cout << std::endl;
2526 status = cadsurf_compute_mesh(css);
2529 catch ( std::exception& exc ) {
2530 _comment += exc.what();
2532 catch (Standard_Failure& ex) {
2533 _comment += ex.DynamicType()->Name();
2534 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2536 _comment += ex.GetMessageString();
2540 if ( _comment.empty() )
2541 _comment = "Exception in cadsurf_compute_mesh()";
2544 std::cout << std::endl;
2545 std::cout << "End of Surface Mesh generation" << std::endl;
2546 std::cout << std::endl;
2549 cadsurf_get_mesh(css, &msh);
2550 if ( !msh || STATUS_IS_ERROR( status ))
2552 /* release the mesh object */
2553 cadsurf_regain_mesh(css, msh);
2554 return error(_comment);
2557 // Clear mesh from already meshed edges if possible else
2558 // remember that merge is needed
2559 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2560 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2562 SMESHDS_SubMesh* smDS = *smIt;
2563 if ( !smDS ) continue;
2564 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2567 const SMDS_MeshNode* n = nIt->next();
2568 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2570 needMerge = true; // to correctly sew with viscous mesh
2571 // add existing medium nodes to helper
2572 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2574 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2575 while ( edgeIt->more() )
2576 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2581 if ( allowSubMeshClearing )
2583 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2584 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2585 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2586 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2595 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2597 GMFFileName = _hypothesis->GetGMFFile();
2598 if (GMFFileName != "") {
2599 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2600 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2601 if (!asciiFound && !binaryFound)
2602 GMFFileName.append(".mesh");
2603 mesh_write_mesh(msh, GMFFileName.c_str());
2606 /* retrieve mesh data (see meshgems/mesh.h) */
2607 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2608 integer *evedg, *evtri, *evquad, *tags_buff, type;
2611 mesh_get_vertex_count(msh, &nv);
2612 mesh_get_edge_count(msh, &ne);
2613 mesh_get_triangle_count(msh, &nt);
2614 mesh_get_quadrangle_count(msh, &nq);
2616 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2617 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2618 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2619 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2621 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2622 std::vector<bool> tags(nv+1);
2624 /* enumerated vertices */
2625 for(int iv=1;iv<=nv;iv++) {
2626 mesh_get_vertex_coordinates(msh, iv, xyz);
2627 mesh_get_vertex_tag(msh, iv, &tag);
2628 // Issue 0020656. Use vertex coordinates
2630 if ( tag > 0 && tag <= pmap.Extent() ) {
2631 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2632 double tol = BRep_Tool::Tolerance( v );
2633 gp_Pnt p = BRep_Tool::Pnt( v );
2634 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 1e3*tol))
2635 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2637 tag = 0; // enforced or attracted vertex
2638 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2641 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2643 // Create group of enforced vertices if requested
2644 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2646 projVertex.push_back((double)xyz[0]);
2647 projVertex.push_back((double)xyz[1]);
2648 projVertex.push_back((double)xyz[2]);
2649 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2650 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2652 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2653 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2654 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2655 currentEnfVertex = (*enfListIt);
2656 if (currentEnfVertex->grpName != "") {
2657 bool groupDone = false;
2658 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2659 while (grIt->more()) {
2660 SMESH_Group * group = grIt->next();
2661 if ( !group ) continue;
2662 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2663 if ( !groupDS ) continue;
2664 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2665 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2666 aGroupDS->SMDSGroup().Add(nodes[iv]);
2667 // How can I inform the hypothesis ?
2668 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2675 SMESH_Group* aGroup = aMesh.AddGroup( SMDSAbs_Node, currentEnfVertex->grpName.c_str() );
2676 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2677 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2678 aGroupDS->SMDSGroup().Add(nodes[iv]);
2682 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2685 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2689 // internal points are tagged to zero
2690 if(tag > 0 && tag <= pmap.Extent() ){
2691 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2698 /* enumerate edges */
2699 for(int it=1;it<=ne;it++) {
2701 mesh_get_edge_vertices(msh, it, vtx);
2702 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2703 mesh_get_edge_tag(msh, it, &tag);
2705 // If PreCAD performed some cleaning operations (remove tiny edges,
2706 // merge edges ...) an output tag can indeed represent several original tags.
2707 // Get the initial tags corresponding to the output tag and redefine the tag as
2708 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2709 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2711 tag=tags_buff[nb_tag-1];
2712 if ( tag < 1 || tag > emap.Extent() )
2714 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2715 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2719 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2720 tags[vtx[0]] = false;
2723 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2724 tags[vtx[1]] = false;
2726 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2728 if (tags[evedg[0]]) {
2729 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2730 tags[evedg[0]] = false;
2732 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2735 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2737 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2740 /* enumerate triangles */
2741 for(int it=1;it<=nt;it++) {
2743 mesh_get_triangle_vertices(msh, it, vtx);
2744 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2745 mesh_get_triangle_tag(msh, it, &tag);
2747 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2748 tags[vtx[0]] = false;
2751 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2752 tags[vtx[1]] = false;
2755 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2756 tags[vtx[2]] = false;
2758 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2759 // QUADRATIC TRIANGLE
2760 if (tags[evtri[0]]) {
2761 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2762 tags[evtri[0]] = false;
2764 if (tags[evtri[1]]) {
2765 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2766 tags[evtri[1]] = false;
2768 if (tags[evtri[2]]) {
2769 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2770 tags[evtri[2]] = false;
2772 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2773 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2776 if ( helper.GetIsQuadratic() )
2777 helper.SetSubShape( tag );
2778 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2780 meshDS->SetMeshElementOnShape(tri, tag);
2783 /* enumerate quadrangles */
2784 for(int it=1;it<=nq;it++) {
2785 SMDS_MeshFace* quad;
2786 mesh_get_quadrangle_vertices(msh, it, vtx);
2787 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2788 mesh_get_quadrangle_tag(msh, it, &tag);
2790 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2791 tags[vtx[0]] = false;
2794 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2795 tags[vtx[1]] = false;
2798 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2799 tags[vtx[2]] = false;
2802 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2803 tags[vtx[3]] = false;
2805 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2806 // QUADRATIC QUADRANGLE
2807 if (tags[evquad[0]]) {
2808 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2809 tags[evquad[0]] = false;
2811 if (tags[evquad[1]]) {
2812 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2813 tags[evquad[1]] = false;
2815 if (tags[evquad[2]]) {
2816 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2817 tags[evquad[2]] = false;
2819 if (tags[evquad[3]]) {
2820 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2821 tags[evquad[3]] = false;
2823 if (tags[evquad[4]]) {
2824 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2825 tags[evquad[4]] = false;
2827 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2828 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2832 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2834 meshDS->SetMeshElementOnShape(quad, tag);
2837 /* release the mesh object, the rest is released by cleaner */
2838 cadsurf_regain_mesh(css, msh);
2841 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2842 for(int iv=1;iv<=nv;iv++)
2843 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2844 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2847 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2849 SMESH_MeshEditor editor( &aMesh );
2850 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2851 TIDSortedElemSet segementsOnEdge;
2852 TSubMeshSet::iterator smIt;
2853 SMESHDS_SubMesh* smDS;
2855 // merge nodes on EDGE's with ones computed by MG-CADSurf
2856 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2858 if (! (smDS = *smIt) ) continue;
2859 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2861 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2862 while ( segIt->more() )
2863 segementsOnEdge.insert( segIt->next() );
2866 editor.MergeNodes( nodeGroupsToMerge );
2869 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2870 editor.FindEqualElements( segementsOnEdge, equalSegments );
2871 editor.MergeElements( equalSegments );
2873 // remove excess segments created on the boundary of viscous layers
2874 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2875 for ( int i = 1; i <= emap.Extent(); ++i )
2877 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2879 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2880 while ( segIt->more() )
2882 const SMDS_MeshElement* seg = segIt->next();
2883 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2884 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2885 meshDS->RemoveFreeElement( seg, smDS );
2892 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2893 for (int i = 1; i <= emap.Extent(); i++)
2894 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2895 sm->SetIsAlwaysComputed( true );
2896 for (int i = 1; i <= pmap.Extent(); i++)
2897 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2898 if ( !sm->IsMeshComputed() )
2899 sm->SetIsAlwaysComputed( true );
2901 // Set error to FACE's w/o elements
2902 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2903 if ( _comment.empty() && status == STATUS_OK )
2905 err = COMPERR_WARNING;
2906 _comment = "No mesh elements assigned to a face";
2908 bool badFaceFound = false;
2909 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2911 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2912 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2913 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2915 int faceTag = sm->GetId();
2916 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2918 // triangles are assigned to the first face of hyper-patch
2919 sm->SetIsAlwaysComputed( true );
2923 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2924 badFaceFound = true;
2928 if ( err == COMPERR_WARNING )
2932 if ( status != STATUS_OK && !badFaceFound ) {
2936 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2938 if ( oldFEFlags > 0 )
2939 feenableexcept( oldFEFlags );
2940 feclearexcept( FE_ALL_EXCEPT );
2944 std::cout << "FacesWithSizeMap" << std::endl;
2945 FacesWithSizeMap.Statistics(std::cout);
2946 std::cout << "EdgesWithSizeMap" << std::endl;
2947 EdgesWithSizeMap.Statistics(std::cout);
2948 std::cout << "VerticesWithSizeMap" << std::endl;
2949 VerticesWithSizeMap.Statistics(std::cout);
2950 std::cout << "FacesWithEnforcedVertices" << std::endl;
2951 FacesWithEnforcedVertices.Statistics(std::cout);
2954 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2957 //================================================================================
2959 * \brief Compute a mesh basing on discrete CAD description
2961 //================================================================================
2963 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2965 if ( aMesh.NbFaces() == 0 )
2966 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2968 context_t *ctx = context_new();
2969 if (!ctx) return error("Pb in context_new()");
2971 if ( aMesh.NbNodes() > std::numeric_limits< meshgems_integer >::max() ||
2972 aMesh.NbFaces() > std::numeric_limits< meshgems_integer >::max() )
2973 return error("Too large input mesh");
2975 BLSURF_Cleaner cleaner( ctx );
2977 message_cb_user_data mcud;
2978 mcud._error = & this->SMESH_Algo::_comment;
2979 mcud._progress = & this->SMESH_Algo::_progress;
2981 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
2982 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
2983 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
2985 cadsurf_session_t * css = cadsurf_session_new(ctx);
2986 if(!css) return error( "Pb. in cadsurf_session_new() " );
2990 // Fill an input mesh
2992 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
2993 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
2995 // mark nodes used by 2D elements
2996 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
2997 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
2998 while ( nodeIt->more() )
3000 const SMDS_MeshNode* n = nodeIt->next();
3001 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
3003 meshgems_mesh_set_vertex_count( msh, (meshgems_integer) meshDS->NbNodes() );
3005 // set node coordinates
3006 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
3008 meshDS->CompactMesh();
3011 nodeIt = meshDS->nodesIterator();
3013 for ( i = 1; nodeIt->more(); ++i )
3015 nXYZ.Set( nodeIt->next() );
3016 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ.ChangeData() );
3019 // set nodes of faces
3020 meshgems_mesh_set_triangle_count ( msh, (meshgems_integer) meshDS->GetMeshInfo().NbTriangles() );
3021 meshgems_mesh_set_quadrangle_count( msh, (meshgems_integer) meshDS->GetMeshInfo().NbQuadrangles() );
3022 meshgems_integer nodeIDs[4];
3023 meshgems_integer iT = 1, iQ = 1;
3024 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
3025 while ( faceIt->more() )
3027 const SMDS_MeshElement* face = faceIt->next();
3028 meshgems_integer nbNodes = face->NbCornerNodes();
3029 if ( nbNodes > 4 || face->IsPoly() ) continue;
3031 for ( i = 0; i < nbNodes; ++i )
3032 nodeIDs[i] = (meshgems_integer) face->GetNode( i )->GetID();
3034 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
3036 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
3039 std::string errorTxt;
3040 if ( !SMESHUtils_MGLicenseKeyGen::SignMesh( msh, errorTxt ))
3041 return error( "Problem with library SalomeMeshGemsKeyGenerator: " + errorTxt );
3043 ret = cadsurf_set_mesh(css, msh);
3044 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
3049 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
3051 ret = cadsurf_compute_mesh(css);
3052 if ( ret != STATUS_OK ) return false;
3055 cadsurf_get_mesh(css, &omsh);
3056 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
3059 // Update SALOME mesh
3061 // remove quadrangles and triangles
3062 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
3064 const SMDS_MeshElement* face = faceIt->next();
3065 if ( !face->IsPoly() )
3066 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
3068 // remove edges that bound the just removed faces
3069 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
3071 const SMDS_MeshElement* edge = edgeIt->next();
3072 const SMDS_MeshNode* n0 = edge->GetNode(0);
3073 const SMDS_MeshNode* n1 = edge->GetNode(1);
3074 if ( n0->isMarked() &&
3076 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
3077 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
3078 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
3080 // remove nodes that just became free
3081 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3083 const SMDS_MeshNode* n = nodeIt->next();
3084 if ( n->isMarked() && n->NbInverseElements() == 0 )
3085 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3089 meshgems_integer nbvtx = 0, nodeID;
3090 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3091 meshgems_real xyz[3];
3092 for ( i = 1; i <= nbvtx; ++i )
3094 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3095 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3096 nodeID = (meshgems_integer) n->GetID();
3097 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3101 meshgems_integer nbtri = 0;
3102 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3103 const SMDS_MeshNode* nodes[4];
3104 for ( i = 1; i <= nbtri; ++i )
3106 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3107 for ( int j = 0; j < 3; ++j )
3109 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3110 nodes[j] = meshDS->FindNode( nodeID );
3112 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3116 meshgems_integer nbquad = 0;
3117 meshgems_mesh_get_quadrangle_count( omsh, &nbquad );
3118 for ( i = 1; i <= nbquad; ++i )
3120 meshgems_mesh_get_quadrangle_vertices( omsh, i, nodeIDs );
3121 for ( int j = 0; j < 4; ++j )
3123 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3124 nodes[j] = meshDS->FindNode( nodeID );
3126 meshDS->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
3131 std::string GMFFileName = _hypothesis->GetGMFFile();
3132 if ( !GMFFileName.empty() )
3134 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.size()-5) != std::string::npos);
3135 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.size()-6) != std::string::npos);
3136 if ( !asciiFound && !binaryFound )
3137 GMFFileName.append(".mesh");
3138 mesh_write_mesh(msh, GMFFileName.c_str());
3142 cadsurf_regain_mesh(css, omsh);
3144 // as we don't assign the new triangles to a shape (the pseudo-shape),
3145 // we mark the shape as always computed to avoid the error messages
3146 // that no elements assigned to the shape
3147 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3152 //================================================================================
3154 * \brief Terminates computation
3156 //================================================================================
3158 void BLSURFPlugin_BLSURF::CancelCompute()
3160 _compute_canceled = true;
3163 //=============================================================================
3167 //=============================================================================
3169 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3170 const SMDS_MeshNode* node,
3171 const TopoDS_Shape& ed)
3173 const TopoDS_Edge edge = TopoDS::Edge(ed);
3175 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3177 Standard_Real p0 = 0.0;
3178 Standard_Real p1 = 1.0;
3179 TopLoc_Location loc;
3180 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3181 if ( curve.IsNull() )
3183 // issue 22499. Node at a sphere apex
3184 meshDS->SetNodeOnEdge(node, edge, p0);
3188 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3189 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3192 if ( proj.NbPoints() > 0 )
3194 pa = (double)proj.LowerDistanceParameter();
3195 // Issue 0020656. Move node if it is too far from edge
3196 gp_Pnt curve_pnt = curve->Value( pa );
3197 double dist2 = pnt.SquareDistance( curve_pnt );
3198 double tol = BRep_Tool::Tolerance( edge );
3199 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3201 curve_pnt.Transform( loc );
3202 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3206 meshDS->SetNodeOnEdge(node, edge, pa);
3209 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3211 * NOTE : if when your CAD systems evaluates second
3212 * order derivatives it also computes first order derivatives and
3213 * function evaluation, you can optimize this example by making only
3214 * one CAD call and filling the necessary uv, dt, dtt arrays.
3216 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3218 /* t is given. It contains the t (time) 1D parametric coordintaes
3219 of the point PreCAD/MG-CADSurf is querying on the curve */
3221 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
3222 * (see cad_edge_new later in this example) */
3223 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3226 /* MG-CADSurf is querying the function evaluation */
3229 uv[0]=P.X(); uv[1]=P.Y();
3233 /* query for the first order derivatives */
3236 dt[0]=V1.X(); dt[1]=V1.Y();
3240 /* query for the second order derivatives */
3243 dtt[0]=V2.X(); dtt[1]=V2.Y();
3249 /* Surface definition function.
3250 * See cad_surf_t in file meshgems/cad.h for more information.
3251 * NOTE : if when your CAD systems evaluates second order derivatives it also
3252 * computes first order derivatives and function evaluation, you can optimize
3253 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3256 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3257 real *duu, real *duv, real *dvv, void *user_data)
3259 /* uv[2] is given. It contains the u,v coordinates of the point
3260 * PreCAD/MG-CADSurf is querying on the surface */
3262 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3263 * cad_face_new later in this example)*/
3264 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3268 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3269 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3276 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3277 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3278 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3281 if(duu && duv && dvv){
3285 gp_Vec D2U,D2V,D2UV;
3287 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3288 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3289 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3290 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3297 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3299 TId2ClsAttractorVec::iterator f2attVec;
3300 if (FaceId2PythonSmp.count(face_id) != 0) {
3301 assert(Py_IsInitialized());
3302 PyGILState_STATE gstate;
3303 gstate = PyGILState_Ensure();
3304 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3306 if ( pyresult != NULL) {
3307 result = PyFloat_AsDouble(pyresult);
3308 Py_DECREF(pyresult);
3313 string err_description="";
3314 PyObject* new_stderr = newPyStdOut(err_description);
3315 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3316 Py_INCREF(old_stderr);
3317 PySys_SetObject((char*)"stderr", new_stderr);
3319 PySys_SetObject((char*)"stderr", old_stderr);
3320 Py_DECREF(new_stderr);
3321 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3322 result = *((real*)user_data);
3325 PyGILState_Release(gstate);
3327 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3331 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3332 for ( size_t i = 0; i < attVec.size(); ++i )
3334 //result += attVec[i]->GetSize(uv[0],uv[1]);
3335 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3337 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3341 *size = *((real*)user_data);
3343 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3347 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3349 if (EdgeId2PythonSmp.count(edge_id) != 0){
3350 assert(Py_IsInitialized());
3351 PyGILState_STATE gstate;
3352 gstate = PyGILState_Ensure();
3353 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3355 if ( pyresult != NULL) {
3356 result = PyFloat_AsDouble(pyresult);
3357 Py_DECREF(pyresult);
3362 string err_description="";
3363 PyObject* new_stderr = newPyStdOut(err_description);
3364 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3365 Py_INCREF(old_stderr);
3366 PySys_SetObject((char*)"stderr", new_stderr);
3368 PySys_SetObject((char*)"stderr", old_stderr);
3369 Py_DECREF(new_stderr);
3370 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3371 result = *((real*)user_data);
3374 PyGILState_Release(gstate);
3377 *size = *((real*)user_data);
3382 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3384 if (VertexId2PythonSmp.count(point_id) != 0){
3385 assert(Py_IsInitialized());
3386 PyGILState_STATE gstate;
3387 gstate = PyGILState_Ensure();
3388 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3390 if ( pyresult != NULL) {
3391 result = PyFloat_AsDouble(pyresult);
3392 Py_DECREF(pyresult);
3397 string err_description="";
3398 PyObject* new_stderr = newPyStdOut(err_description);
3399 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3400 Py_INCREF(old_stderr);
3401 PySys_SetObject((char*)"stderr", new_stderr);
3403 PySys_SetObject((char*)"stderr", old_stderr);
3404 Py_DECREF(new_stderr);
3405 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3406 result = *((real*)user_data);
3409 PyGILState_Release(gstate);
3412 *size = *((real*)user_data);
3418 * The following function will be called for PreCAD/MG-CADSurf message
3419 * printing. See context_set_message_callback (later in this
3420 * template) for how to set user_data.
3422 status_t message_cb(message_t *msg, void *user_data)
3424 integer errnumber = 0;
3426 message_get_number(msg, &errnumber);
3427 message_get_description(msg, &desc);
3429 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3430 // Get all the error message and some warning messages related to license and periodicity
3431 if ( errnumber < 0 ||
3432 err.find("license" ) != string::npos ||
3433 err.find("periodicity") != string::npos )
3435 // remove ^A from the tail
3436 size_t len = strlen( desc );
3437 while (len > 0 && desc[len-1] != '\n')
3439 mcud->_error->append( desc, len );
3442 if ( errnumber == 3009001 )
3443 * mcud->_progress = atof( desc + 11 ) / 100.;
3444 if ( mcud->_verbosity > 0 )
3445 std::cout << desc << std::endl;
3450 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3451 * function regularily. See the file meshgems/interrupt.h
3453 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3455 integer you_want_to_continue = 1;
3456 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3457 you_want_to_continue = !tmp->computeCanceled();
3459 if(you_want_to_continue)
3461 *interrupt_status = INTERRUPT_CONTINUE;
3464 else /* you want to stop MG-CADSurf */
3466 *interrupt_status = INTERRUPT_STOP;
3467 return STATUS_ERROR;
3471 //=============================================================================
3475 //=============================================================================
3476 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3477 const TopoDS_Shape& aShape,
3478 MapShapeNbElems& aResMap)
3480 double diagonal = aMesh.GetShapeDiagonalSize();
3481 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3482 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3483 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3484 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3485 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3486 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3487 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3489 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3490 _phySizeRel = _hypothesis->IsPhySizeRel();
3491 if ( _hypothesis->GetPhySize() > 0)
3492 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3493 //_geometricMesh = (int) hyp->GetGeometricMesh();
3494 if (_hypothesis->GetAngleMesh() > 0)
3495 _angleMesh = _hypothesis->GetAngleMesh();
3496 _elementType = _hypothesis->GetElementType();
3498 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3499 // GetDefaultPhySize() sometimes leads to computation failure
3500 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3503 bool IsQuadratic = _quadraticMesh;
3508 TopTools_DataMapOfShapeInteger EdgesMap;
3509 double fullLen = 0.0;
3510 double fullNbSeg = 0;
3511 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3512 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3513 if( EdgesMap.IsBound(E) )
3515 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3516 double aLen = SMESH_Algo::EdgeLength(E);
3519 if(_physicalMesh==1) {
3520 nb1d = (int)( aLen/_phySize + 1 );
3525 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3526 double fullAng = 0.0;
3527 double dp = (l-f)/200;
3532 for(int j=2; j<=200; j++) {
3535 fullAng += fabs(V1.Angle(V2));
3539 nb1d = (int)( fullAng/_angleMesh + 1 );
3542 std::vector<smIdType> aVec(SMDSEntity_Last);
3543 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3544 if( IsQuadratic > 0 ) {
3545 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3546 aVec[SMDSEntity_Quad_Edge] = nb1d;
3549 aVec[SMDSEntity_Node] = nb1d - 1;
3550 aVec[SMDSEntity_Edge] = nb1d;
3552 aResMap.insert(std::make_pair(sm,aVec));
3553 EdgesMap.Bind(E,nb1d);
3555 double ELen = fullLen/fullNbSeg;
3559 // try to evaluate as in MEFISTO
3560 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3561 TopoDS_Face F = TopoDS::Face( exp.Current() );
3562 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3564 BRepGProp::SurfaceProperties(F,G);
3565 double anArea = G.Mass();
3567 std::vector<int> nb1dVec;
3568 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3569 int nbSeg = EdgesMap.Find(exp1.Current());
3571 nb1dVec.push_back( nbSeg );
3574 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3575 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3576 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3578 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3580 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3582 nbNodes = (n1 + 1) * (n2 + 1);
3587 nbTria = nbQuad = nbTria / 3 + 1;
3590 std::vector<smIdType> aVec(SMDSEntity_Last,0);
3592 int nb1d_in = (nbTria*3 - nb1d) / 2;
3593 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3594 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3595 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3598 aVec[SMDSEntity_Node] = nbNodes;
3599 aVec[SMDSEntity_Triangle] = nbTria;
3600 aVec[SMDSEntity_Quadrangle] = nbQuad;
3602 aResMap.insert(std::make_pair(sm,aVec));
3609 BRepGProp::VolumeProperties(aShape,G);
3610 double aVolume = G.Mass();
3611 double tetrVol = 0.1179*ELen*ELen*ELen;
3612 int nbVols = int(aVolume/tetrVol);
3613 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3614 std::vector<smIdType> aVec(SMDSEntity_Last);
3615 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3617 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3618 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3621 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3622 aVec[SMDSEntity_Tetra] = nbVols;
3624 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3625 aResMap.insert(std::make_pair(sm,aVec));
3630 //================================================================================
3632 * \brief Find TopoDS_Shape for each hyper-patch study entry in a hypothesis
3634 //================================================================================
3636 void BLSURFPlugin_BLSURF::FillEntryToShape( const BLSURFPlugin_Hypothesis* hyp,
3637 std::map< std::string, TopoDS_Shape > & entryToShape )
3639 SMESH_Gen_i* smeshGen = SMESH_Gen_i::GetSMESHGen();
3640 for ( const ::BLSURFPlugin_Hypothesis::THyperPatchEntries& entries : hyp->GetHyperPatchEntries() )
3641 for ( const std::string& entry : entries )
3643 GEOM::GEOM_Object_var go = smeshGen->GetGeomObjectByEntry( entry );
3644 TopoDS_Shape shape = smeshGen->GeomObjectToShape( go );
3645 if ( !shape.IsNull() )
3646 entryToShape.insert({ entry, shape });