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"
29 #include "BLSURFPlugin_Attractor.hxx"
30 #include "BLSURFPlugin_EnforcedMesh1D.hxx"
31 #include "BLSURFPlugin_Hypothesis.hxx"
34 #include <meshgems/meshgems.h>
35 #include <meshgems/cadsurf.h>
38 #include <SMDS_EdgePosition.hxx>
39 #include <SMESHDS_Group.hxx>
40 #include <SMESH_File.hxx>
41 #include <SMESH_Gen.hxx>
42 #include <SMESH_Group.hxx>
43 #include <SMESH_Mesh.hxx>
44 #include <SMESH_MeshEditor.hxx>
45 #include <SMESH_MesherHelper.hxx>
46 #include <StdMeshers_FaceSide.hxx>
47 #include <StdMeshers_ViscousLayers2D.hxx>
49 #include <Basics_Utils.hxx>
50 #include <utilities.h>
58 #include <structmember.h> // python
60 // OPENCASCADE includes
61 #include <BRepBndLib.hxx>
62 #include <BRepBuilderAPI_MakeFace.hxx>
63 #include <BRepBuilderAPI_MakePolygon.hxx>
64 #include <BRepBuilderAPI_MakeWire.hxx>
65 #include <BRepGProp.hxx>
66 #include <BRepTools.hxx>
67 #include <BRep_Builder.hxx>
68 #include <BRep_Tool.hxx>
69 #include <GProp_GProps.hxx>
70 #include <Geom2d_Curve.hxx>
71 #include <Geom2d_Line.hxx>
72 #include <GeomAPI_ProjectPointOnCurve.hxx>
73 #include <GeomAPI_ProjectPointOnSurf.hxx>
74 #include <Geom_Curve.hxx>
75 #include <Geom_Surface.hxx>
76 #include <NCollection_DataMap.hxx>
77 #include <NCollection_Map.hxx>
78 #include <Standard_ErrorHandler.hxx>
80 #include <TopExp_Explorer.hxx>
81 #include <TopTools_DataMapOfShapeInteger.hxx>
82 #include <TopTools_IndexedMapOfShape.hxx>
83 #include <TopTools_MapOfShape.hxx>
85 #include <TopoDS_Compound.hxx>
86 #include <TopoDS_Edge.hxx>
87 #include <TopoDS_Face.hxx>
88 #include <TopoDS_Shape.hxx>
89 #include <TopoDS_Vertex.hxx>
90 #include <TopoDS_Wire.hxx>
92 #include <gp_Pnt2d.hxx>
102 /* ==================================
103 * =========== PYTHON ==============
104 * ==================================*/
115 PyStdOut_dealloc(PyStdOut *self)
121 PyStdOut_write(PyStdOut *self, PyObject *args)
125 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
128 *(self->out)=*(self->out)+c;
134 static PyMethodDef PyStdOut_methods[] = {
135 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
136 PyDoc_STR("write(string) -> None")},
137 {0, 0, 0, 0} /* sentinel */
140 static PyMemberDef PyStdOut_memberlist[] = {
141 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
142 (char*)"flag indicating that a space needs to be printed; used by print"},
143 {0, 0, 0, 0, 0} /* Sentinel */
146 static PyTypeObject PyStdOut_Type = {
147 /* The ob_type field must be initialized in the module init function
148 * to be portable to Windows without using C++. */
149 PyVarObject_HEAD_INIT(NULL, 0)
151 sizeof(PyStdOut), /*tp_basicsize*/
154 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
161 0, /*tp_as_sequence*/
166 PyObject_GenericGetAttr, /*tp_getattro*/
167 /* softspace is writable: we must supply tp_setattro */
168 PyObject_GenericSetAttr, /* tp_setattro */
170 Py_TPFLAGS_DEFAULT, /*tp_flags*/
174 0, /*tp_richcompare*/
175 0, /*tp_weaklistoffset*/
178 PyStdOut_methods, /*tp_methods*/
179 PyStdOut_memberlist, /*tp_members*/
197 0, /*tp_version_tag*/
201 PyObject * newPyStdOut( std::string& out )
203 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
208 return (PyObject*)self;
213 ////////////////////////END PYTHON///////////////////////////
215 //////////////////MY MAPS////////////////////////////////////////
217 TopTools_IndexedMapOfShape FacesWithSizeMap;
218 std::map<int,string> FaceId2SizeMap;
219 TopTools_IndexedMapOfShape EdgesWithSizeMap;
220 std::map<int,string> EdgeId2SizeMap;
221 TopTools_IndexedMapOfShape VerticesWithSizeMap;
222 std::map<int,string> VertexId2SizeMap;
224 std::map<int,PyObject*> FaceId2PythonSmp;
225 std::map<int,PyObject*> EdgeId2PythonSmp;
226 std::map<int,PyObject*> VertexId2PythonSmp;
228 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
229 TId2ClsAttractorVec FaceId2ClassAttractor;
230 TId2ClsAttractorVec FaceIndex2ClassAttractor;
231 std::map<int,std::vector<double> > FaceId2AttractorCoords;
234 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
235 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
236 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
237 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
238 SMESH_MesherHelper* theHelper;
240 bool HasSizeMapOnFace=false;
241 bool HasSizeMapOnEdge=false;
242 bool HasSizeMapOnVertex=false;
243 //bool HasAttractorOnFace=false;
245 //=============================================================================
249 //=============================================================================
251 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
254 : SMESH_2D_Algo(hypId, gen)
256 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
257 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
258 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
260 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
261 _requireDiscreteBoundary = false;
262 _onlyUnaryInput = false;
264 _supportSubmeshes = true;
265 _requireShape = theHasGEOM;
267 /* Initialize the Python interpreter */
268 assert(Py_IsInitialized());
269 PyGILState_STATE gstate;
270 gstate = PyGILState_Ensure();
273 main_mod = PyImport_AddModule("__main__");
276 main_dict = PyModule_GetDict(main_mod);
278 PyRun_SimpleString("from math import *");
279 PyGILState_Release(gstate);
281 FacesWithSizeMap.Clear();
282 FaceId2SizeMap.clear();
283 EdgesWithSizeMap.Clear();
284 EdgeId2SizeMap.clear();
285 VerticesWithSizeMap.Clear();
286 VertexId2SizeMap.clear();
287 FaceId2PythonSmp.clear();
288 EdgeId2PythonSmp.clear();
289 VertexId2PythonSmp.clear();
290 FaceId2AttractorCoords.clear();
291 FaceId2ClassAttractor.clear();
292 FaceIndex2ClassAttractor.clear();
293 FacesWithEnforcedVertices.Clear();
294 FaceId2EnforcedVertexCoords.clear();
295 EnfVertexCoords2ProjVertex.clear();
296 EnfVertexCoords2EnfVertexList.clear();
298 _compute_canceled = false;
301 //=============================================================================
305 //=============================================================================
307 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
312 //=============================================================================
316 //=============================================================================
318 bool BLSURFPlugin_BLSURF::CheckHypothesis
320 const TopoDS_Shape& aShape,
321 SMESH_Hypothesis::Hypothesis_Status& aStatus)
324 _haveViscousLayers = false;
326 list<const SMESHDS_Hypothesis*>::const_iterator itl;
327 const SMESHDS_Hypothesis* theHyp;
329 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
330 /*ignoreAuxiliary=*/false);
331 aStatus = SMESH_Hypothesis::HYP_OK;
334 return true; // can work with no hypothesis
337 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
340 string hypName = theHyp->GetName();
341 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
342 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
344 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
346 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
347 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
348 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
349 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
351 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
353 if ( !_haveViscousLayers )
355 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
356 _haveViscousLayers = true;
361 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
364 return aStatus == SMESH_Hypothesis::HYP_OK;
367 //=============================================================================
369 * Pass parameters to MG-CADSurf
371 //=============================================================================
373 inline std::string val_to_string(double d)
375 std::ostringstream o;
380 inline std::string val_to_string_rel(double d)
382 std::ostringstream o;
388 inline std::string val_to_string(int i)
390 std::ostringstream o;
395 inline std::string val_to_string_rel(int i)
397 std::ostringstream o;
403 double _smp_phy_size;
404 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
405 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
406 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
408 /////////////////////////////////////////////////////////
410 BLSURFPlugin_BLSURF::projectionPoint
411 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS_Face& theFace,
412 const gp_Pnt& thePoint,
413 const bool theAllowStateON)
415 projectionPoint myPoint;
417 if ( theFace.IsNull() )
419 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
420 TopTools_MapOfShape checkedFaces;
421 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
423 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
425 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
426 if ( !checkedFaces.Add( face )) continue;
428 // check distance to face
429 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
430 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
431 double distance = surface->Gap();
432 if ( distance > Precision::Confusion() )
434 // the face is far, store for future analysis
435 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
439 // check location on the face
440 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
441 if ( FC.State() == TopAbs_IN )
443 if ( !foundFace.IsNull() )
444 return myPoint; // thePoint seems to be TopAbs_ON
446 myPoint.uv = uv.XY();
447 myPoint.xyz = surface->Value( uv ).XYZ();
448 myPoint.state = FC.State();
451 if ( FC.State() == TopAbs_ON && !theAllowStateON )
455 if ( foundFace.IsNull() )
457 // find the closest face
458 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
459 for ( ; d2f != dist2face.end(); ++d2f )
461 const TopoDS_Face& face = d2f->second.first;
462 const gp_Pnt2d & uv = d2f->second.second;
463 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
464 if (( FC.State() == TopAbs_IN ) ||
465 ( FC.State() == TopAbs_ON && theAllowStateON ))
468 myPoint.uv = uv.XY();
469 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
470 myPoint.state = FC.State();
471 if ( FC.State() == TopAbs_IN )
476 // set the resultShape
477 // if ( foundFace.IsNull() )
478 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
479 // "getProjectionPoint: can't find a face by a vertex");
480 theFace = TopoDS::Face( foundFace );
482 else // !theFace.IsNull()
484 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
485 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
486 if ( !projector.IsDone() || projector.NbPoints()==0 )
487 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
488 "getProjectionPoint: can't project a vertex to a face");
491 projector.LowerDistanceParameters(u,v);
492 myPoint.uv = gp_XY(u,v);
493 myPoint.xyz = projector.NearestPoint().XYZ();
495 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
496 myPoint.state = FC.State();
498 if (( FC.State() != TopAbs_IN ) &&
499 ( FC.State() != TopAbs_ON || !theAllowStateON ))
506 /////////////////////////////////////////////////////////
507 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
509 GEOM::GEOM_Object_var aGeomObj = SMESH_Gen_i::GetSMESHGen()->GetGeomObjectByEntry( entry );
510 TopoDS_Shape S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj );
514 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
516 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
518 // Find the face and get the (u,v) values of the enforced vertex on the face
519 BLSURFPlugin_BLSURF::projectionPoint myPoint =
520 BLSURFPlugin_BLSURF::getProjectionPoint(faceShape,aPnt);
521 if ( faceShape.IsNull() )
524 enf_coords.push_back(aPnt.X());
525 enf_coords.push_back(aPnt.Y());
526 enf_coords.push_back(aPnt.Z());
528 coords.push_back(myPoint.uv.X());
529 coords.push_back(myPoint.uv.Y());
530 coords.push_back(myPoint.xyz.X());
531 coords.push_back(myPoint.xyz.Y());
532 coords.push_back(myPoint.xyz.Z());
534 s_coords.push_back(myPoint.xyz.X());
535 s_coords.push_back(myPoint.xyz.Y());
536 s_coords.push_back(myPoint.xyz.Z());
538 // Save pair projected vertex / enf vertex
539 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
540 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
541 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
542 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
543 if (ret.second == false) {
545 (*it)->grpName = enfVertex->grpName;
549 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
550 key = FacesWithEnforcedVertices.Add(faceShape);
553 key = FacesWithEnforcedVertices.FindIndex(faceShape);
556 // If a node is already created by an attractor, do not create enforced vertex
557 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
558 bool sameAttractor = false;
559 if (attractorKey >= 0)
560 if (FaceId2AttractorCoords.count(attractorKey) > 0)
561 if (FaceId2AttractorCoords[attractorKey] == coords)
562 sameAttractor = true;
564 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
566 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
569 if (! sameAttractor) {
570 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
572 FaceId2EnforcedVertexCoords[key] = ens;
577 /////////////////////////////////////////////////////////
578 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
580 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
583 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
585 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
586 enfVertex = *enfVertexListIt;
587 // Case of manual coords
588 if (enfVertex->coords.size() != 0) {
589 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
590 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
593 // Case of geom vertex coords
594 if (enfVertex->geomEntry != "") {
595 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
596 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
597 if (GeomType == TopAbs_VERTEX)
599 enfVertex->vertex = TopoDS::Vertex( GeomShape );
600 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
601 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
604 if (GeomType == TopAbs_COMPOUND)
606 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
607 if (it.Value().ShapeType() == TopAbs_VERTEX)
609 enfVertex->vertex = TopoDS::Vertex( it.Value() );
610 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
611 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
618 /////////////////////////////////////////////////////////
619 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
621 double xa=0., ya=0., za=0.; // Coordinates of attractor point
622 double a, b; // Attractor parameter
624 bool createNode=false; // To create a node on attractor projection
626 const char *sep = ";";
627 // atIt->second has the following pattern:
628 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
630 // xa;ya;za : coordinates of attractor
631 // a : desired size on attractor
632 // b : distance of influence of attractor
633 // d : distance until which the size remains constant
635 // We search the parameters in the string
637 pos1 = AttractorFunction.find(sep);
638 if (pos1!=string::npos)
639 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
641 pos2 = AttractorFunction.find(sep, pos1+1);
642 if (pos2!=string::npos) {
643 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
647 pos2 = AttractorFunction.find(sep, pos1+1);
648 if (pos2!=string::npos) {
649 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
653 pos2 = AttractorFunction.find(sep, pos1+1);
654 if (pos2!=string::npos) {
655 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
659 pos2 = AttractorFunction.find(sep, pos1+1);
660 if (pos2!=string::npos) {
661 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
665 pos2 = AttractorFunction.find(sep, pos1+1);
666 if (pos2!=string::npos) {
667 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
668 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
672 pos2 = AttractorFunction.find(")");
673 if (pos2!=string::npos) {
674 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
677 // Get the (u,v) values of the attractor on the face
678 BLSURFPlugin_BLSURF::projectionPoint myPoint =
679 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
680 gp_XY uvPoint = myPoint.uv;
681 gp_XYZ xyzPoint = myPoint.xyz;
682 Standard_Real u0 = uvPoint.X();
683 Standard_Real v0 = uvPoint.Y();
684 Standard_Real x0 = xyzPoint.X();
685 Standard_Real y0 = xyzPoint.Y();
686 Standard_Real z0 = xyzPoint.Z();
687 std::vector<double> coords;
688 coords.push_back(u0);
689 coords.push_back(v0);
690 coords.push_back(x0);
691 coords.push_back(y0);
692 coords.push_back(z0);
693 // We construct the python function
694 ostringstream attractorFunctionStream;
695 attractorFunctionStream << "def f(u,v): return ";
696 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
697 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
698 // rnc: make possible to keep the size constant until
699 // a defined distance. Distance is expressed as the positiv part
700 // of r-d where r is the distance to (u0,v0)
701 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
704 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
705 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
708 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
710 FaceId2SizeMap[key] =attractorFunctionStream.str();
712 FaceId2AttractorCoords[key] = coords;
714 // // Test for new attractors
715 // gp_Pnt myP(xyzPoint);
716 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
717 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
718 // myAttractor.SetParameters(a, defaultSize, b, d);
719 // myAttractor.SetType(1);
720 // FaceId2ClassAttractor[key] = myAttractor;
721 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
725 // One sub-shape to get ids from
726 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
727 const TopoDS_Shape& theSubShape,
728 TopAbs_ShapeEnum theShapeType)
730 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
732 TopTools_MapOfShape subShapes;
733 TopTools_IndexedMapOfShape anIndices;
734 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
736 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
738 if ( subShapes.Add( face_iter.Current() )) // issue 23416
740 int face_id = anIndices.FindIndex( face_iter.Current() );
742 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
743 face_ids.push_back( face_id );
749 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
750 TopoDS_Shape theSubShape,
751 TopAbs_ShapeEnum theShapeType)
753 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
755 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
757 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
759 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
760 face_ids.push_back(face_id);
766 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
768 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
770 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
771 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
776 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
778 if (theVertexEntry!="")
780 TopoDS_Shape aShape = entryToShape(theVertexEntry);
782 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
783 double theX, theY, theZ;
788 theVerticesCoords.push_back(theX);
789 theVerticesCoords.push_back(theY);
790 theVerticesCoords.push_back(theZ);
794 /////////////////////////////////////////////////////////
795 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
797 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
798 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
800 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
801 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
803 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
804 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
805 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
807 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
808 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
810 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
813 /////////////////////////////////////////////////////////
814 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
816 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
817 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
819 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
820 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
822 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
823 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
824 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
826 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
827 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
829 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
833 /////////////////////////////////////////////////////////
835 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
836 cadsurf_session_t * css,
837 const TopoDS_Shape& theGeomShape)
840 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
841 FacesWithSizeMap.Clear();
842 FaceId2SizeMap.clear();
843 EdgesWithSizeMap.Clear();
844 EdgeId2SizeMap.clear();
845 VerticesWithSizeMap.Clear();
846 VertexId2SizeMap.clear();
847 FaceId2PythonSmp.clear();
848 EdgeId2PythonSmp.clear();
849 VertexId2PythonSmp.clear();
850 FaceId2AttractorCoords.clear();
851 FaceId2ClassAttractor.clear();
852 FaceIndex2ClassAttractor.clear();
853 FacesWithEnforcedVertices.Clear();
854 FaceId2EnforcedVertexCoords.clear();
855 EnfVertexCoords2ProjVertex.clear();
856 EnfVertexCoords2EnfVertexList.clear();
858 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
859 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
860 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
861 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
862 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
863 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
864 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
865 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
866 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
867 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
868 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
869 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
870 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
871 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
872 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
873 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
874 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
875 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
876 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
877 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
878 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
879 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
880 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
881 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
882 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
883 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
884 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
885 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
886 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
887 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
888 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
889 bool _useSurfaceProximity = BLSURFPlugin_Hypothesis::GetDefaultUseSurfaceProximity ();
890 int _nbSurfaceProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbSurfaceProximityLayers();
891 double _surfaceProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultSurfaceProximityRatio ();
892 bool _useVolumeProximity = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeProximity ();
893 int _nbVolumeProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbVolumeProximityLayers ();
894 double _volumeProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultVolumeProximityRatio ();
897 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
898 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
899 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
900 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
902 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
905 _physicalMesh = (int) hyp->GetPhysicalMesh();
906 _geometricMesh = (int) hyp->GetGeometricMesh();
907 if (hyp->GetPhySize() > 0) {
908 _phySize = hyp->GetPhySize();
909 // if user size is not explicitly specified, "relative" flag is ignored
910 _phySizeRel = hyp->IsPhySizeRel();
912 if (hyp->GetMinSize() > 0) {
913 _minSize = hyp->GetMinSize();
914 // if min size is not explicitly specified, "relative" flag is ignored
915 _minSizeRel = hyp->IsMinSizeRel();
917 if (hyp->GetMaxSize() > 0) {
918 _maxSize = hyp->GetMaxSize();
919 // if max size is not explicitly specified, "relative" flag is ignored
920 _maxSizeRel = hyp->IsMaxSizeRel();
922 _use_gradation = hyp->GetUseGradation();
923 if (hyp->GetGradation() > 0 && _use_gradation)
924 _gradation = hyp->GetGradation();
925 _use_volume_gradation = hyp->GetUseVolumeGradation();
926 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
927 _volume_gradation = hyp->GetVolumeGradation();
928 _elementType = hyp->GetElementType();
929 if (hyp->GetAngleMesh() > 0)
930 _angleMesh = hyp->GetAngleMesh();
931 if (hyp->GetChordalError() > 0)
932 _chordalError = hyp->GetChordalError();
933 _anisotropic = hyp->GetAnisotropic();
934 if (hyp->GetAnisotropicRatio() >= 0)
935 _anisotropicRatio = hyp->GetAnisotropicRatio();
936 _removeTinyEdges = hyp->GetRemoveTinyEdges();
937 if (hyp->GetTinyEdgeLength() > 0)
938 _tinyEdgeLength = hyp->GetTinyEdgeLength();
939 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
940 if (hyp->GetTinyEdgeOptimisationLength() > 0)
941 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
942 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
943 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
944 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
945 _badElementRemoval = hyp->GetBadElementRemoval();
946 if (hyp->GetBadElementAspectRatio() >= 0)
947 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
948 _optimizeMesh = hyp->GetOptimizeMesh();
949 _quadraticMesh = hyp->GetQuadraticMesh();
950 _verb = hyp->GetVerbosity();
951 //_topology = (int) hyp->GetTopology();
953 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
954 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
955 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
956 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
957 _useSurfaceProximity = hyp->GetUseSurfaceProximity ();
958 _nbSurfaceProximityLayers = hyp->GetNbSurfaceProximityLayers();
959 _surfaceProximityRatio = hyp->GetSurfaceProximityRatio ();
960 _useVolumeProximity = hyp->GetUseVolumeProximity ();
961 _nbVolumeProximityLayers = hyp->GetNbVolumeProximityLayers ();
962 _volumeProximityRatio = hyp->GetVolumeProximityRatio ();
965 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
966 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
967 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
968 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
969 if ( !opIt->second.empty() ) {
970 // With MeshGems 2.4-5, there are issues with periodicity and multithread
971 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
972 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
973 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
974 set_param(css, opIt->first.c_str(), "1");
977 set_param(css, opIt->first.c_str(), opIt->second.c_str());
981 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
982 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
983 if ( !opIt->second.empty() ) {
984 set_param(css, opIt->first.c_str(), opIt->second.c_str());
987 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
988 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
989 if ( !opIt->second.empty() ) {
990 set_param(css, opIt->first.c_str(), opIt->second.c_str());
993 if ( hyp->GetHyperPatches().size() < hyp->GetHyperPatchEntries().size() )
995 std::map< std::string, TopoDS_Shape > entryToShape;
996 FillEntryToShape( hyp, entryToShape );
997 const_cast<BLSURFPlugin_Hypothesis*>( hyp )->SetHyperPatchIDsByEntry( theGeomShape,
1002 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
1004 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
1006 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
1007 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
1008 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
1009 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
1010 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
1011 //set_param(css, "max_number_of_points_per_patch", "1000000");
1013 bool useGradation = false;
1014 switch (_physicalMesh)
1016 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1017 set_param(css, "physical_size_mode", "global");
1018 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1019 //useGradation = true;
1021 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1022 set_param(css, "physical_size_mode", "local");
1023 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1024 //useGradation = true;
1027 set_param(css, "physical_size_mode", "none");
1030 switch (_geometricMesh)
1032 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1033 set_param(css, "geometric_size_mode", "global");
1034 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1035 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1036 //useGradation = true;
1038 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1039 set_param(css, "geometric_size_mode", "local");
1040 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1041 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1042 //useGradation = true;
1045 set_param(css, "geometric_size_mode", "none");
1048 if ( hyp && hyp->GetPhySize() > 0 ) {
1049 // user size is explicitly specified via hypothesis parameters
1050 // min and max sizes should be compared with explicitly specified user size
1051 // - compute absolute min size
1052 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1053 // - min size should not be greater than user size
1054 if ( _phySize < mins )
1055 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1057 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1058 // - compute absolute max size
1059 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1060 // - max size should not be less than user size
1061 if ( _phySize > maxs )
1062 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1064 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1067 // user size is not explicitly specified
1068 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1069 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1070 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1071 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1073 useGradation = true; // bos #18758
1074 // anisotropic and quadrangle mesh requires disabling gradation
1075 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1076 useGradation = false; // limitation of V1.3
1077 if ( useGradation && _use_gradation )
1078 set_param(css, "gradation", val_to_string(_gradation).c_str());
1079 if ( useGradation && _use_volume_gradation )
1080 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1082 // New since MeshGems 2.5: add full_quad
1083 const char * element_generation = "";
1084 switch ( _elementType )
1086 case BLSURFPlugin_Hypothesis::Triangles:
1087 element_generation = "triangle";
1089 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1090 element_generation = "quad_dominant";
1092 case BLSURFPlugin_Hypothesis::Quadrangles:
1093 element_generation = "full_quad";
1097 set_param(css, "element_generation", element_generation);
1100 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1102 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1103 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1104 if ( _removeTinyEdges )
1105 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1106 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1107 if ( _optimiseTinyEdges )
1108 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1109 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1110 if ( _correctSurfaceIntersec )
1111 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1112 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1113 if ( _badElementRemoval )
1114 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1115 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1116 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1117 set_param(css, "verbose", val_to_string(_verb).c_str());
1119 set_param(css, "use_surface_proximity", _useSurfaceProximity ? "yes" : "no" );
1120 if ( _useSurfaceProximity )
1122 set_param(css, "surface_proximity_layers", SMESH_Comment( _nbSurfaceProximityLayers ));
1123 set_param(css, "surface_proximity_ratio", SMESH_Comment( _surfaceProximityRatio ));
1125 set_param(css, "use_volume_proximity", _useVolumeProximity ? "yes" : "no" );
1126 if ( _useVolumeProximity )
1128 set_param(css, "volume_proximity_layers", SMESH_Comment( _nbVolumeProximityLayers ));
1129 set_param(css, "volume_proximity_ratio", SMESH_Comment( _volumeProximityRatio ));
1132 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1134 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1136 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1138 TopoDS_Shape GeomShape;
1139 TopoDS_Shape AttShape;
1140 TopAbs_ShapeEnum GeomType;
1142 // Standard Size Maps
1144 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1145 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1146 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1147 if ( !smIt->second.empty() ) {
1148 GeomShape = entryToShape(smIt->first);
1149 GeomType = GeomShape.ShapeType();
1152 if (GeomType == TopAbs_COMPOUND) {
1153 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1155 if (it.Value().ShapeType() == TopAbs_FACE){
1156 HasSizeMapOnFace = true;
1157 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1158 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1161 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1163 FaceId2SizeMap[key] = smIt->second;
1166 if (it.Value().ShapeType() == TopAbs_EDGE){
1167 HasSizeMapOnEdge = true;
1168 HasSizeMapOnFace = true;
1169 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1170 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1173 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1175 EdgeId2SizeMap[key] = smIt->second;
1177 // Group of vertices
1178 if (it.Value().ShapeType() == TopAbs_VERTEX){
1179 HasSizeMapOnVertex = true;
1180 HasSizeMapOnEdge = true;
1181 HasSizeMapOnFace = true;
1182 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1183 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1186 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1188 VertexId2SizeMap[key] = smIt->second;
1193 if (GeomType == TopAbs_FACE){
1194 HasSizeMapOnFace = true;
1195 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1196 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1199 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1201 FaceId2SizeMap[key] = smIt->second;
1204 if (GeomType == TopAbs_EDGE){
1205 HasSizeMapOnEdge = true;
1206 HasSizeMapOnFace = true;
1207 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1208 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1211 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1213 EdgeId2SizeMap[key] = smIt->second;
1216 if (GeomType == TopAbs_VERTEX){
1217 HasSizeMapOnVertex = true;
1218 HasSizeMapOnEdge = true;
1219 HasSizeMapOnFace = true;
1220 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1221 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1224 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1226 VertexId2SizeMap[key] = smIt->second;
1234 // TODO appeler le constructeur des attracteurs directement ici
1235 // if ( !_phySizeRel ) {
1236 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1237 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1238 for ( ; atIt != attractors.end(); ++atIt ) {
1239 if ( !atIt->second.empty() ) {
1240 GeomShape = entryToShape(atIt->first);
1241 GeomType = GeomShape.ShapeType();
1243 if (GeomType == TopAbs_COMPOUND){
1244 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1245 if (it.Value().ShapeType() == TopAbs_FACE){
1246 HasSizeMapOnFace = true;
1247 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1252 if (GeomType == TopAbs_FACE){
1253 HasSizeMapOnFace = true;
1254 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1257 if (GeomType == TopAbs_EDGE){
1258 HasSizeMapOnEdge = true;
1259 HasSizeMapOnFace = true;
1260 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1262 if (GeomType == TopAbs_VERTEX){
1263 HasSizeMapOnVertex = true;
1264 HasSizeMapOnEdge = true;
1265 HasSizeMapOnFace = true;
1266 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1274 // temporary commented out for testing
1276 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1277 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1278 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1280 // - Construct the attractors with an empty dist. map in the hypothesis
1281 // - 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()
1282 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1284 theNbAttractors = 0;
1285 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1287 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1288 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1289 if ( !AtIt->second->Empty() ) {
1290 GeomShape = entryToShape(AtIt->first);
1291 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1293 AttShape = AtIt->second->GetAttractorShape();
1294 GeomType = GeomShape.ShapeType();
1296 // if (GeomType == TopAbs_COMPOUND){
1297 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1298 // if (it.Value().ShapeType() == TopAbs_FACE){
1299 // HasAttractorOnFace = true;
1300 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1305 if (GeomType == TopAbs_FACE
1306 && (AttShape.ShapeType() == TopAbs_VERTEX
1307 || AttShape.ShapeType() == TopAbs_EDGE
1308 || AttShape.ShapeType() == TopAbs_WIRE
1309 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1310 HasSizeMapOnFace = true;
1312 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1314 FaceId2ClassAttractor[key].push_back( AtIt->second );
1318 MESSAGE("Wrong shape type !!")
1326 // Enforced Vertices
1328 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1329 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1330 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1331 if ( !enfIt->second.empty() ) {
1332 GeomShape = entryToShape(enfIt->first);
1333 if ( GeomShape.IsNull() )
1335 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1338 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1340 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1341 if (it.Value().ShapeType() == TopAbs_FACE){
1342 HasSizeMapOnFace = true;
1343 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1347 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1349 HasSizeMapOnFace = true;
1350 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1355 // Internal vertices
1356 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1357 if (useInternalVertexAllFaces) {
1358 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1360 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1361 for (; exp.More(); exp.Next()){
1362 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1363 for (; exp_face.More(); exp_face.Next())
1365 // Get coords of vertex
1366 // Check if current coords is already in enfVertexList
1367 // If coords not in enfVertexList, add new enfVertex
1368 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1369 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1370 enfVertex->coords.push_back(aPnt.X());
1371 enfVertex->coords.push_back(aPnt.Y());
1372 enfVertex->coords.push_back(aPnt.Z());
1373 enfVertex->name = "";
1374 enfVertex->faceEntries.clear();
1375 enfVertex->geomEntry = "";
1376 enfVertex->grpName = grpName;
1377 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1378 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1379 HasSizeMapOnFace = true;
1384 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1386 if (HasSizeMapOnEdge){
1387 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1389 if (HasSizeMapOnVertex){
1390 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1397 _preCadFacesIDsPeriodicityVector.clear();
1398 _preCadEdgesIDsPeriodicityVector.clear();
1400 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1401 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1404 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1406 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1407 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1411 //================================================================================
1413 * \brief Throws an exception if a parameter name is wrong
1415 //================================================================================
1417 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1418 const char * option_name,
1419 const char * option_value)
1421 status_t status = cadsurf_set_param(css, option_name, option_value );
1423 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1424 cout << option_name << " = " << option_value << endl;
1426 if ( status != MESHGEMS_STATUS_OK )
1428 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1429 throw SALOME_Exception
1430 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1432 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1433 throw SALOME_Exception
1434 ( "No valid license available" );
1436 throw SALOME_Exception
1437 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1438 << option_name << "': " << option_value);
1444 // --------------------------------------------------------------------------
1446 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1448 struct BLSURF_Cleaner
1451 cadsurf_session_t* _css;
1455 BLSURF_Cleaner(context_t * ctx,
1456 cadsurf_session_t* css=0,
1467 Clean( /*exceptContext=*/false );
1469 void Clean(const bool exceptContext)
1473 cadsurf_session_delete(_css); _css = 0;
1475 // #if BLSURF_VERSION_LONG >= "3.1.1"
1476 // // if(geo_sizemap_e)
1477 // // distene_sizemap_delete(geo_sizemap_e);
1478 // // if(geo_sizemap_f)
1479 // // distene_sizemap_delete(geo_sizemap_f);
1480 // if(iso_sizemap_p)
1481 // distene_sizemap_delete(iso_sizemap_p);
1482 // if(iso_sizemap_e)
1483 // distene_sizemap_delete(iso_sizemap_e);
1484 // if(iso_sizemap_f)
1485 // distene_sizemap_delete(iso_sizemap_f);
1487 // // if(clean_geo_sizemap_e)
1488 // // distene_sizemap_delete(clean_geo_sizemap_e);
1489 // // if(clean_geo_sizemap_f)
1490 // // distene_sizemap_delete(clean_geo_sizemap_f);
1491 // if(clean_iso_sizemap_p)
1492 // distene_sizemap_delete(clean_iso_sizemap_p);
1493 // if(clean_iso_sizemap_e)
1494 // distene_sizemap_delete(clean_iso_sizemap_e);
1495 // if(clean_iso_sizemap_f)
1496 // distene_sizemap_delete(clean_iso_sizemap_f);
1499 cad_delete(_cad); _cad = 0;
1500 dcad_delete(_dcad); _dcad = 0;
1501 if ( !exceptContext )
1503 context_delete(_ctx); _ctx = 0;
1509 // --------------------------------------------------------------------------
1510 // comparator to sort nodes and sub-meshes
1511 struct ShapeTypeCompare
1513 // sort nodes by position in the following order:
1514 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1515 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1517 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1518 //return n1->getIdInShape() < n2->getIdInShape();
1519 return n1->GetID() < n2->GetID(); // earlier created nodes have less IDs
1521 // sort sub-meshes in order: EDGE, VERTEX
1522 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1524 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1525 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1526 if ( isVertex1 == isVertex2 )
1528 return isVertex1 < isVertex2;
1532 //================================================================================
1534 * \brief Fills groups of nodes to be merged
1536 //================================================================================
1538 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1539 const TopoDS_Shape& shape,
1540 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1542 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1543 switch ( shape.ShapeType() )
1545 case TopAbs_VERTEX: {
1546 std::list< const SMDS_MeshNode* > nodes;
1547 while ( nIt->more() )
1548 nodes.push_back( nIt->next() );
1549 if ( nodes.size() > 1 )
1550 nodeGroupsToMerge.push_back( nodes );
1554 std::multimap< double, const SMDS_MeshNode* > u2node;
1555 while ( nIt->more() )
1557 const SMDS_MeshNode* n = nIt->next();
1558 if ( SMDS_EdgePositionPtr ePos = n->GetPosition() )
1559 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1561 if ( u2node.size() < 2 ) return;
1563 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1565 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1566 double tol = (( l - f ) / 10.) / double( u2node.size() ); // 10. - adjusted for #17262
1568 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1569 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1571 if (( un2->first - un1->first ) <= tol )
1573 std::list< const SMDS_MeshNode* > nodes;
1574 nodes.push_back( un1->second );
1575 while (( un2->first - un1->first ) <= tol )
1577 nodes.push_back( un2->second );
1578 if ( ++un2 == u2node.end()) {
1583 // make nodes created on the boundary of viscous layer replace nodes created
1584 // by MG-CADSurf as their SMDS_Position is more correct
1585 nodes.sort( ShapeTypeCompare() );
1586 nodeGroupsToMerge.push_back( nodes );
1593 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1594 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1596 // cout << "Merge ";
1597 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1598 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1599 // for ( ; nIt != nl.end(); ++nIt )
1600 // cout << (*nIt) << " ";
1606 //================================================================================
1608 * \brief A temporary mesh used to compute mesh on a proxy FACE
1610 //================================================================================
1612 struct TmpMesh: public SMESH_Mesh
1614 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1615 TN2NMap _tmp2origNN;
1616 TopoDS_Face _proxyFace;
1620 _meshDS = new SMESHDS_Mesh( _id, true );
1622 //--------------------------------------------------------------------------------
1624 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1626 //--------------------------------------------------------------------------------
1628 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1629 const TopoDS_Face& origFace)
1631 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1633 SMESH_MesherHelper helper( *origMesh );
1634 helper.SetSubShape( origFace );
1635 const bool hasSeam = helper.HasRealSeam();
1637 // get data of nodes on inner boundary of viscous layers
1639 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1640 /*skipMediumNodes = */true,
1641 err, &helper, viscousMesh );
1642 if ( err && err->IsKO() )
1643 throw *err.get(); // it should be caught at SMESH_subMesh
1645 // proxy nodes and corresponding tmp VERTEXes
1646 std::vector<const SMDS_MeshNode*> origNodes;
1647 std::vector<TopoDS_Vertex> tmpVertex;
1649 // create a proxy FACE
1650 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1651 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1652 bool hasPCurves = false;
1653 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1655 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1656 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1657 if ( wirePoints.size() < 3 )
1660 BRepBuilderAPI_MakePolygon polygon;
1661 const size_t i0 = tmpVertex.size();
1662 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1664 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1665 origNodes.push_back( wirePoints[ iN ].node );
1666 tmpVertex.push_back( polygon.LastVertex() );
1668 // check presence of a pcurve
1669 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1671 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1673 if ( !polygon.IsDone() )
1674 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1675 TopoDS_Wire wire = polygon;
1677 wire = updateSeam( wire, origNodes );
1678 newFace.Add( wire );
1680 _proxyFace = newFace;
1682 // set a new shape to mesh
1683 TopoDS_Compound auxCompoundToMesh;
1684 BRep_Builder shapeBuilder;
1685 shapeBuilder.MakeCompound( auxCompoundToMesh );
1686 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1687 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1689 ShapeToMesh( auxCompoundToMesh );
1692 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1694 // make nodes and fill in _tmp2origNN
1696 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1697 for ( size_t i = 0; i < origNodes.size(); ++i )
1699 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1700 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1701 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1702 // else -- it can be a seam vertex replaced by updateSeam()
1703 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1707 TopoDS_Vertex v1, v2;
1708 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1710 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1711 TopExp::Vertices( E, v1, v2 );
1712 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1713 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1715 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1716 tmpMeshDS->SetMeshElementOnShape( seg, E );
1722 //--------------------------------------------------------------------------------
1724 * \brief Add pcurve to the last edge of a wire
1726 //--------------------------------------------------------------------------------
1728 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1729 const TopoDS_Face& face,
1731 const uvPtStruct * wirePoints )
1735 TopoDS_Edge edge = wire.Edge();
1736 if ( edge.IsNull() ) return;
1738 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1743 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1744 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1745 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1746 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1747 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1748 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1749 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1750 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1753 //--------------------------------------------------------------------------------
1755 * \brief Replace coincident EDGEs with reversed copies.
1757 //--------------------------------------------------------------------------------
1759 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1760 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1762 BRepBuilderAPI_MakeWire newWire;
1764 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1765 TSeg2EdgeMap seg2EdgeMap;
1767 TopoDS_Iterator edgeIt( wire );
1768 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1770 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1771 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1773 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1774 bool isSeam = ( *edgeInMap != edge );
1777 edgeInMap->Reverse();
1780 newWire.Add( edge );
1785 //--------------------------------------------------------------------------------
1787 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1789 //--------------------------------------------------------------------------------
1791 void FillInOrigMesh( SMESH_Mesh& origMesh,
1792 const TopoDS_Face& origFace )
1794 SMESH_MesherHelper helper( origMesh );
1795 helper.SetSubShape( origFace );
1796 helper.SetElementsOnShape( true );
1798 SMESH_MesherHelper tmpHelper( *this );
1799 tmpHelper.SetSubShape( _proxyFace );
1801 // iterate over tmp faces and copy them in origMesh
1802 const SMDS_MeshNode* nodes[27];
1803 const SMDS_MeshNode* nullNode = 0;
1805 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator();
1806 while ( fIt->more() )
1808 const SMDS_MeshElement* f = fIt->next();
1809 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1811 for ( ; nIt->more(); ++nbN )
1813 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1814 TN2NMap::iterator n2nIt =
1815 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1816 if ( !n2nIt->second ) {
1818 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1819 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], /*id=*/0, uv.X(), uv.Y() );
1821 nodes[ nbN ] = n2nIt->second;
1824 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1825 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1826 // nodes[3], nodes[4], nodes[5]); break;
1827 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1828 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1829 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1830 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1831 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1838 * \brief A structure holding an error description and a verbisity level
1840 struct message_cb_user_data
1842 std::string * _error;
1849 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1850 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1851 real *duu, real *duv, real *dvv, void *user_data);
1852 status_t message_cb(message_t *msg, void *user_data);
1853 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1855 //=============================================================================
1859 //=============================================================================
1861 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1863 // Fix problem with locales
1864 Kernel_Utils::Localizer aLocalizer;
1866 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1868 bool viscousLayersMade =
1869 ( aShape.ShapeType() == TopAbs_FACE &&
1870 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1872 if ( !viscousLayersMade )
1873 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1876 if ( _haveViscousLayers || viscousLayersMade )
1878 // Compute viscous layers
1880 TopTools_MapOfShape map;
1881 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1883 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1884 if ( !map.Add( F )) continue;
1885 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1887 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1889 // Compute MG-CADSurf mesh on viscous layers
1891 if ( viscousMesh->NbProxySubMeshes() > 0 )
1894 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1895 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1897 tmpMesh.FillInOrigMesh( aMesh, F );
1901 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1903 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1905 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1906 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1907 if ( fSM->IsMeshComputed() ) continue;
1909 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1917 //=============================================================================
1921 //=============================================================================
1923 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1924 const TopoDS_Shape& aShape,
1925 bool allowSubMeshClearing)
1927 /* create a distene context (generic object) */
1928 status_t status = STATUS_ERROR;
1930 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1931 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1932 theHelper = & helperWithShape;
1933 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1934 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1935 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1936 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis && _hypothesis->GetQuadraticMesh());
1937 helper.SetIsQuadratic( haveQuadraticSubMesh );
1938 helperWithShape.SetIsQuadratic( haveQuadraticSubMesh );
1940 bool quadraticSubMeshAndViscousLayer = false;
1941 bool needMerge = false;
1942 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1943 TSubMeshSet edgeSubmeshes;
1944 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1945 double existingPhySize = 0;
1947 TopTools_IndexedMapOfShape pmap, emap, fmap;
1949 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1950 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1952 BLSURFPlugin_EnforcedMesh1D enforcedMesh( helperWithShape, _hypothesis );
1954 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1956 feclearexcept( FE_ALL_EXCEPT );
1957 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1960 context_t *ctx = context_new();
1962 /* Set the message callback in the working context */
1963 message_cb_user_data mcud;
1964 mcud._error = & this->SMESH_Algo::_comment;
1965 mcud._progress = & this->SMESH_Algo::_progress;
1967 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1968 context_set_message_callback(ctx, message_cb, &mcud);
1970 /* set the interruption callback */
1971 _compute_canceled = false;
1972 context_set_interrupt_callback(ctx, interrupt_cb, this);
1974 /* create the CAD object we will work on. It is associated to the context ctx. */
1975 cad_t *c = cad_new(ctx);
1976 dcad_t *dcad = dcad_new(c);
1978 // To enable multithreading
1979 cad_set_thread_safety(c, 1);
1981 /* Now fill the CAD object with data from your CAD
1982 * environement. This is the most complex part of a successfull
1988 cadsurf_session_t *css = cadsurf_session_new(ctx);
1990 // an object that correctly deletes all cadsurf objects at destruction
1991 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1993 SetParameters(_hypothesis, css, aShape);
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 =
2093 FaceId2AttractorCoords.find( faceKey );
2094 if (attractor_iter != FaceId2AttractorCoords.end() )
2096 double * xyzCoords = & attractor_iter->second[2];
2097 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2098 BRepClass_FaceClassifier scl(f,P,1e-7);
2099 TopAbs_State result = scl.State();
2100 if ( result == TopAbs_OUT )
2101 MESSAGE("Point is out of face: node is not created");
2102 if ( result == TopAbs_UNKNOWN )
2103 MESSAGE("Point position on face is unknown: node is not created");
2104 if ( result == TopAbs_ON )
2105 MESSAGE("Point is on border of face: node is not created");
2106 if ( result == TopAbs_IN )
2108 // Point is inside face and not on border
2109 double * uvCoords = & attractor_iter->second[0];
2111 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2112 cad_point_set_tag(point_p, ienf);
2114 FaceId2AttractorCoords.erase(faceKey);
2117 // -----------------
2119 // -----------------
2120 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2121 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2122 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2123 for ( size_t i = 0; i < attVec.size(); ++i )
2124 if ( !attVec[i]->IsMapBuilt() ) {
2125 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2126 attVec[i]->BuildMap();
2128 FaceIndex2ClassAttractor[iface].swap( attVec );
2129 FaceId2ClassAttractor.erase(clAttractor_iter);
2131 } // if (HasSizeMapOnFace && !use_precad)
2133 // ------------------
2134 // Enforced Vertices
2135 // ------------------
2136 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2137 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2138 if (evmIt != FaceId2EnforcedVertexCoords.end())
2140 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2141 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2142 for (; evlIt != evl.end(); ++evlIt)
2144 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2146 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2148 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2149 xyzCoords.push_back(evlIt->at(2));
2150 xyzCoords.push_back(evlIt->at(3));
2151 xyzCoords.push_back(evlIt->at(4));
2152 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2153 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2154 !enfCoordsIt->second.empty() )
2156 // to merge nodes of an INTERNAL vertex belonging to several faces
2157 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2158 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2159 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2161 tag = pmap.Add( v );
2162 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2163 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2164 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2165 // //if ( tag != pmap.Extent() )
2166 // needMerge = true;
2169 if ( tag == 0 ) tag = ienf;
2170 cad_point_set_tag(point_p, tag);
2172 FaceId2EnforcedVertexCoords.erase(faceKey);
2176 /****************************************************************************************
2178 now create the edges associated to this face
2179 *****************************************************************************************/
2181 std::vector< TopoDS_Edge > edges;
2182 for ( TopExp_Explorer edge_iter( f, TopAbs_EDGE ); edge_iter.More(); edge_iter.Next() )
2184 const TopoDS_Edge& e = TopoDS::Edge( edge_iter.Current() );
2185 if ( !enforcedMesh.GetSplitsOfEdge( e, edges, emap ))
2186 edges.push_back( e );
2188 for ( const TopoDS_Edge& e : edges )
2190 int ic = emap.Add(e);
2193 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2195 if ( HasSizeMapOnEdge )
2197 int edgeKey = EdgesWithSizeMap.FindIndex(e);
2198 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2200 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2201 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2203 // Expr To Python function, verification is performed at validation in GUI
2204 gstate = PyGILState_Ensure();
2205 PyObject * obj = NULL;
2206 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2208 PyObject * func = NULL;
2209 func = PyObject_GetAttrString(main_mod, "f");
2210 EdgeId2PythonSmp[ic]=func;
2211 EdgeId2SizeMap.erase(edgeKey);
2212 PyGILState_Release(gstate);
2215 /* data of nodes existing on the edge */
2216 StdMeshers_FaceSidePtr nodeData;
2217 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2218 if ( !sm->IsEmpty() )
2220 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2221 // /*complexFirst=*/false);
2222 // while ( subsmIt->more() )
2223 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2224 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2226 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2227 /*ignoreMedium=*/haveQuadraticSubMesh));
2228 if ( nodeData->MissVertexNode() )
2229 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2231 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2232 if ( !nodeDataVec.empty() )
2234 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2236 nodeData->Reverse();
2237 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2239 // tmin and tmax can change in case of viscous layer on an adjacent edge
2240 tmin = nodeDataVec.front().param;
2241 tmax = nodeDataVec.back().param;
2243 existingPhySize += nodeData->Length() / double( nodeDataVec.size() - 1 );
2247 cout << "---------------- Invalid nodeData" << endl;
2252 /* attach the edge to the current cadsurf face */
2253 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2255 /* by default an edge has no tag (color).
2256 The following call sets it to the same value as the edge_id : */
2257 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2258 bool isInHyperPatch = false;
2259 if ( e2ffmap.Contains( e )) // not there for a part of EDGE divided by enforced segments
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 necessarily 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 *****************************************************************************************/
2330 gp_Pnt2d uv0 = curves.back()->Value(tmin);
2331 gp_Pnt p0 = surfaces.back()->Value( uv0.X(), uv0.Y() );
2333 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next())
2335 const TopoDS_Vertex& v = TopoDS::Vertex(ex_edge.Current());
2336 ip[ npts ] = pmap.Add(v);
2337 d [ npts ] = p0.SquareDistance(BRep_Tool::Pnt(v));
2340 if (HasSizeMapOnVertex)
2342 int vertexKey = VerticesWithSizeMap.FindIndex(v);
2343 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end())
2345 theSizeMapStr = VertexId2SizeMap[vertexKey];
2346 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2348 // Expr To Python function, verification is performed at validation in GUI
2349 gstate = PyGILState_Ensure();
2350 PyObject * obj = NULL;
2351 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2353 PyObject * func = NULL;
2354 func = PyObject_GetAttrString(main_mod, "f");
2355 VertexId2PythonSmp[*ip]=func;
2356 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2357 PyGILState_Release(gstate);
2360 } // loop on vertices
2362 if (npts != 2) { // should not happen
2363 MESSAGE("An edge does not have 2 extremities.");
2368 std::swap( ip[0], ip[1] );
2370 // This defines the curves extremity connectivity
2371 cad_edge_set_extremities (edg, ip[0], ip[1]);
2372 /* set the tag (color) to the same value as the extremity id : */
2373 cad_edge_set_extremities_tag(edg, ip[0], ip[1]);
2377 // ==============================
2378 // Add segments of enforced mesh
2379 // ==============================
2381 if ( enforcedMesh.HasSegmentsOnFace( f ))
2383 BLSURFPlugin_EnforcedMesh1D::Segmemnt seg;
2384 while ( enforcedMesh.NextSegment( seg, pmap ))
2386 curves.push_back( seg._pcurve );
2388 cad_edge_t *edg = cad_edge_new( fce, seg._tag, seg._u[0], seg._u[1],
2389 curv_fun,seg._pcurve.get());
2390 cad_edge_set_tag( edg, seg._tag );
2392 cad_edge_set_property( edg, EDGE_PROPERTY_SOFT_REQUIRED );
2393 cad_edge_set_property( edg, EDGE_PROPERTY_INTERNAL );
2395 cad_edge_set_extremities ( edg, seg._vTag[0], seg._vTag[1]);
2396 cad_edge_set_extremities_tag( edg, seg._vTag[0], seg._vTag[1]);
2398 dcad_edge_discretization_t *dedge;
2399 dcad_get_edge_discretization( dcad, edg, &dedge );
2400 dcad_edge_discretization_set_vertex_count( dedge, 2 );
2402 dcad_edge_discretization_set_vertex_coordinates( dedge, 1,
2404 &seg._uv[0].ChangeCoord(1),
2405 seg._xyz[0].ChangeData() );
2406 dcad_edge_discretization_set_vertex_coordinates( dedge, 2,
2408 &seg._uv[1].ChangeCoord(1),
2409 seg._xyz[1].ChangeData() );
2411 dcad_edge_discretization_set_vertex_tag( dedge, 1, seg._vTag[0] );
2412 dcad_edge_discretization_set_vertex_tag( dedge, 2, seg._vTag[1] );
2414 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2421 ///////////////////////
2423 ///////////////////////
2425 if (! _preCadFacesIDsPeriodicityVector.empty())
2427 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2428 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2429 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2430 int* theFace1_ids_c = &theFace1_ids[0];
2431 int* theFace2_ids_c = &theFace2_ids[0];
2432 std::ostringstream o;
2433 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2434 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2435 o << theFace1_ids[j] << ", ";
2437 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2438 o << theFace2_ids[j] << ", ";
2440 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2441 // cout << o.str() << endl;
2442 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2444 // If no source points, call periodicity without transformation function
2445 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2446 status = cad_add_face_multiple_periodicity_with_transformation_function
2447 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2448 (meshgems_integer) theFace2_ids.size(), periodicity_transformation, NULL);
2449 if(status != STATUS_OK)
2450 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2454 // get the transformation vertices
2455 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2456 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2457 int nbSourceVertices = (int)_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2458 int nbTargetVertices = (int)_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2460 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points
2461 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2462 (meshgems_integer) theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2463 if(status != STATUS_OK)
2464 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2469 if (! _preCadEdgesIDsPeriodicityVector.empty())
2471 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2472 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2473 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2474 // Use the address of the first element of the vector to initialize the array
2475 int* theEdge1_ids_c = &theEdge1_ids[0];
2476 int* theEdge2_ids_c = &theEdge2_ids[0];
2478 std::ostringstream o;
2479 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2480 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2481 o << theEdge1_ids[j] << ", ";
2483 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2484 o << theEdge2_ids[j] << ", ";
2486 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2487 // cout << o.str() << endl;
2489 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2491 // If no source points, call periodicity without transformation function
2492 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2493 status = cad_add_edge_multiple_periodicity_with_transformation_function
2494 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2495 (meshgems_integer) theEdge2_ids.size(), periodicity_transformation, NULL);
2496 if(status != STATUS_OK)
2497 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2501 // get the transformation vertices
2502 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2503 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2504 int nbSourceVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2505 int nbTargetVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2507 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points
2508 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2509 (meshgems_integer) theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2510 if(status != STATUS_OK)
2511 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2516 if ( !_hypothesis && !edgeSubmeshes.empty() && existingPhySize != 0 )
2518 // prevent failure due to the default PhySize incompatible with size of existing 1D mesh
2519 // and with face size
2520 // double minFaceSize = existingPhySize / edgeSubmeshes.size();
2521 // for ( int iF = 1; iF <= fmap.Extent(); ++iF )
2524 // BRepBndLib::Add( fmap( iF ), box );
2525 // gp_XYZ delta = box.CornerMax().XYZ() - box.CornerMin().XYZ();
2526 // std::sort( delta.ChangeData(), delta.ChangeData() + 3 );
2527 // minFaceSize = Min( minFaceSize, delta.Coord(2) );
2529 // set_param(css, "global_physical_size", val_to_string( minFaceSize * 0.5 ).c_str());
2530 // set_param(css, "max_size", val_to_string( minFaceSize * 5 ).c_str());
2533 // Use the original dcad
2534 cadsurf_set_dcad(css, dcad);
2536 // Use the original cad
2537 cadsurf_set_cad(css, c);
2539 std::cout << std::endl;
2540 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2541 std::cout << std::endl;
2546 status = cadsurf_compute_mesh(css);
2549 catch ( std::exception& exc ) {
2550 _comment += exc.what();
2552 catch (Standard_Failure& ex) {
2553 _comment += ex.DynamicType()->Name();
2554 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2556 _comment += ex.GetMessageString();
2560 if ( _comment.empty() )
2561 _comment = "Exception in cadsurf_compute_mesh()";
2564 std::cout << std::endl;
2565 std::cout << "End of Surface Mesh generation" << std::endl;
2566 std::cout << std::endl;
2569 cadsurf_get_mesh(css, &msh);
2570 if ( !msh || STATUS_IS_ERROR( status ))
2572 /* release the mesh object */
2573 cadsurf_regain_mesh(css, msh);
2574 return error(_comment);
2577 // Clear mesh from already meshed edges if possible else
2578 // remember that merge is needed
2579 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2580 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2582 SMESHDS_SubMesh* smDS = *smIt;
2583 if ( !smDS ) continue;
2584 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2587 const SMDS_MeshNode* n = nIt->next();
2588 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2590 needMerge = true; // to correctly sew with viscous mesh
2591 // add existing medium nodes to helper
2592 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2594 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2595 while ( edgeIt->more() )
2596 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2601 if ( allowSubMeshClearing )
2603 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2604 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2605 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2606 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2615 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2617 GMFFileName = _hypothesis->GetGMFFile();
2618 if (GMFFileName != "")
2620 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2621 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2622 if (!asciiFound && !binaryFound)
2623 GMFFileName.append(".mesh");
2624 mesh_write_mesh(msh, GMFFileName.c_str());
2627 /* retrieve mesh data (see meshgems/mesh.h) */
2628 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2629 integer *evedg, *evtri, *evquad, *tags_buff, type;
2632 mesh_get_vertex_count (msh, &nv);
2633 mesh_get_edge_count (msh, &ne);
2634 mesh_get_triangle_count (msh, &nt);
2635 mesh_get_quadrangle_count(msh, &nq);
2637 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2638 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2639 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2640 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2642 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2643 std::vector<bool> tags(nv+1);
2645 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2647 /* enumerated vertices */
2648 for ( int iv = 1; iv <= nv; iv++ )
2650 mesh_get_vertex_coordinates(msh, iv, xyz);
2651 mesh_get_vertex_tag(msh, iv, &tag);
2652 // Issue 0020656. Use vertex coordinates
2656 if ( tag <= pmap.Extent() )
2658 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2659 double tol = BRep_Tool::Tolerance( v );
2660 gp_Pnt p = BRep_Tool::Pnt( v );
2661 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 1e3*tol))
2662 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2664 tag = 0; // enforced or attracted vertex
2665 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2667 if ( !nodes[iv] && ( nodes[iv] = enforcedMesh.GetNodeByTag( tag, pmap )))
2673 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2675 // Create group of enforced vertices if requested
2676 projVertex.assign( xyz, xyz + 3 );
2677 auto enfCoordsIt = EnfVertexCoords2EnfVertexList.find( projVertex );
2678 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2680 for ( BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex : enfCoordsIt->second )
2681 if (currentEnfVertex->grpName != "")
2683 SMDS_MeshGroup* groupDS = nullptr;
2684 for ( SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups(); grIt->more() && !groupDS; )
2686 SMESH_Group * group = grIt->next();
2687 SMESHDS_Group * grp = dynamic_cast< SMESHDS_Group* >( group->GetGroupDS() );
2689 grp->GetType() == SMDSAbs_Node &&
2690 currentEnfVertex->grpName == group->GetName() )
2691 groupDS = &grp->SMDSGroup();
2695 SMESH_Group * group = aMesh.AddGroup( SMDSAbs_Node, currentEnfVertex->grpName.c_str() );
2696 SMESHDS_Group * grp = static_cast< SMESHDS_Group* >( group->GetGroupDS() );
2697 groupDS = &grp->SMDSGroup();
2699 groupDS->Add( nodes[iv] );
2703 // internal points are tagged to zero
2704 if ( tag > 0 && tag <= pmap.Extent() )
2706 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2715 /* enumerate edges */
2716 for ( int it = 1; it <= ne; it++ )
2719 mesh_get_edge_vertices(msh, it, vtx);
2720 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2721 mesh_get_edge_tag(msh, it, &tag);
2723 // If PreCAD performed some cleaning operations (remove tiny edges,
2724 // merge edges ...) an output tag can indeed represent several original tags.
2725 // Get the initial tags corresponding to the output tag and redefine the tag as
2726 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2727 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2729 tag = tags_buff[ nb_tag-1 ];
2730 if ( tag < 1 || tag > emap.Extent() )
2732 if ( !enforcedMesh.IsSegmentTag( tag )) // it's a false INTERNAL EDGE of enforced mesh
2734 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2735 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")"
2740 if ( meshDS->ShapeToIndex( emap( tag )) == 0 )
2741 tag = enforcedMesh.GetTagOfSplitEdge( tag );
2744 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2745 tags[vtx[0]] = false;
2748 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2749 tags[vtx[1]] = false;
2751 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2753 if (tags[evedg[0]]) {
2754 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2755 tags[evedg[0]] = false;
2757 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2760 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2762 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2765 /* enumerate triangles */
2766 for(int it=1;it<=nt;it++) {
2768 mesh_get_triangle_vertices(msh, it, vtx);
2769 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2770 mesh_get_triangle_tag(msh, it, &tag);
2772 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2773 tags[vtx[0]] = false;
2776 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2777 tags[vtx[1]] = false;
2780 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2781 tags[vtx[2]] = false;
2783 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2784 // QUADRATIC TRIANGLE
2785 if (tags[evtri[0]]) {
2786 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2787 tags[evtri[0]] = false;
2789 if (tags[evtri[1]]) {
2790 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2791 tags[evtri[1]] = false;
2793 if (tags[evtri[2]]) {
2794 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2795 tags[evtri[2]] = false;
2797 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2798 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2801 if ( helper.GetIsQuadratic() )
2802 helper.SetSubShape( tag );
2803 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2805 meshDS->SetMeshElementOnShape(tri, tag);
2808 /* enumerate quadrangles */
2809 for(int it=1;it<=nq;it++) {
2810 SMDS_MeshFace* quad;
2811 mesh_get_quadrangle_vertices(msh, it, vtx);
2812 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2813 mesh_get_quadrangle_tag(msh, it, &tag);
2815 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2816 tags[vtx[0]] = false;
2819 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2820 tags[vtx[1]] = false;
2823 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2824 tags[vtx[2]] = false;
2827 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2828 tags[vtx[3]] = false;
2830 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2831 // QUADRATIC QUADRANGLE
2832 if (tags[evquad[0]]) {
2833 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2834 tags[evquad[0]] = false;
2836 if (tags[evquad[1]]) {
2837 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2838 tags[evquad[1]] = false;
2840 if (tags[evquad[2]]) {
2841 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2842 tags[evquad[2]] = false;
2844 if (tags[evquad[3]]) {
2845 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2846 tags[evquad[3]] = false;
2848 if (tags[evquad[4]]) {
2849 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2850 tags[evquad[4]] = false;
2852 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2853 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2857 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2859 meshDS->SetMeshElementOnShape(quad, tag);
2862 /* release the mesh object, the rest is released by cleaner */
2863 cadsurf_regain_mesh(css, msh);
2866 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2867 for(int iv=1;iv<=nv;iv++)
2868 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2869 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2872 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2874 SMESH_MeshEditor editor( &aMesh );
2875 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2876 TIDSortedElemSet segementsOnEdge;
2877 TSubMeshSet::iterator smIt;
2878 SMESHDS_SubMesh* smDS;
2880 // merge nodes on EDGE's with ones computed by MG-CADSurf
2881 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2883 if (! (smDS = *smIt) ) continue;
2884 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2886 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2887 while ( segIt->more() )
2888 segementsOnEdge.insert( segIt->next() );
2891 editor.MergeNodes( nodeGroupsToMerge );
2894 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2895 editor.FindEqualElements( segementsOnEdge, equalSegments );
2896 editor.MergeElements( equalSegments );
2898 // remove excess segments created on the boundary of viscous layers
2899 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2900 for ( int i = 1; i <= emap.Extent(); ++i )
2902 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2904 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2905 while ( segIt->more() )
2907 const SMDS_MeshElement* seg = segIt->next();
2908 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2909 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2910 meshDS->RemoveFreeElement( seg, smDS );
2917 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2918 for (int i = 1; i <= emap.Extent(); i++)
2919 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2920 sm->SetIsAlwaysComputed( true );
2921 for (int i = 1; i <= pmap.Extent(); i++)
2922 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2923 if ( !sm->IsMeshComputed() )
2924 sm->SetIsAlwaysComputed( true );
2926 // Set error to FACE's w/o elements
2927 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2928 if ( _comment.empty() && status == STATUS_OK )
2930 err = COMPERR_WARNING;
2931 _comment = "No mesh elements assigned to a face";
2933 bool badFaceFound = false;
2934 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2936 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2937 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2938 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2940 int faceTag = sm->GetId();
2941 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2943 // triangles are assigned to the first face of hyper-patch
2944 sm->SetIsAlwaysComputed( true );
2948 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2949 badFaceFound = true;
2953 if ( err == COMPERR_WARNING )
2957 if ( status != STATUS_OK && !badFaceFound ) {
2961 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2963 if ( oldFEFlags > 0 )
2964 feenableexcept( oldFEFlags );
2965 feclearexcept( FE_ALL_EXCEPT );
2969 std::cout << "FacesWithSizeMap" << std::endl;
2970 FacesWithSizeMap.Statistics(std::cout);
2971 std::cout << "EdgesWithSizeMap" << std::endl;
2972 EdgesWithSizeMap.Statistics(std::cout);
2973 std::cout << "VerticesWithSizeMap" << std::endl;
2974 VerticesWithSizeMap.Statistics(std::cout);
2975 std::cout << "FacesWithEnforcedVertices" << std::endl;
2976 FacesWithEnforcedVertices.Statistics(std::cout);
2979 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2982 //================================================================================
2984 * \brief Compute a mesh basing on discrete CAD description
2986 //================================================================================
2988 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2990 if ( aMesh.NbFaces() == 0 )
2991 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2993 context_t *ctx = context_new();
2994 if (!ctx) return error("Pb in context_new()");
2996 if ( aMesh.NbNodes() > std::numeric_limits< meshgems_integer >::max() ||
2997 aMesh.NbFaces() > std::numeric_limits< meshgems_integer >::max() )
2998 return error("Too large input mesh");
3000 BLSURF_Cleaner cleaner( ctx );
3002 message_cb_user_data mcud;
3003 mcud._error = & this->SMESH_Algo::_comment;
3004 mcud._progress = & this->SMESH_Algo::_progress;
3006 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
3007 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
3008 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
3010 cadsurf_session_t * css = cadsurf_session_new(ctx);
3011 if(!css) return error( "Pb. in cadsurf_session_new() " );
3015 // Fill an input mesh
3017 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
3018 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
3020 // mark nodes used by 2D elements
3021 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
3022 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
3023 while ( nodeIt->more() )
3025 const SMDS_MeshNode* n = nodeIt->next();
3026 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
3028 meshgems_mesh_set_vertex_count( msh, (meshgems_integer) meshDS->NbNodes() );
3030 // set node coordinates
3031 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
3033 meshDS->CompactMesh();
3036 nodeIt = meshDS->nodesIterator();
3038 for ( i = 1; nodeIt->more(); ++i )
3040 nXYZ.Set( nodeIt->next() );
3041 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ.ChangeData() );
3044 // set nodes of faces
3045 meshgems_mesh_set_triangle_count ( msh, (meshgems_integer) meshDS->GetMeshInfo().NbTriangles() );
3046 meshgems_mesh_set_quadrangle_count( msh, (meshgems_integer) meshDS->GetMeshInfo().NbQuadrangles() );
3047 meshgems_integer nodeIDs[4];
3048 meshgems_integer iT = 1, iQ = 1;
3049 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
3050 while ( faceIt->more() )
3052 const SMDS_MeshElement* face = faceIt->next();
3053 meshgems_integer nbNodes = face->NbCornerNodes();
3054 if ( nbNodes > 4 || face->IsPoly() ) continue;
3056 for ( i = 0; i < nbNodes; ++i )
3057 nodeIDs[i] = (meshgems_integer) face->GetNode( i )->GetID();
3059 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
3061 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
3064 ret = cadsurf_set_mesh(css, msh);
3065 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
3070 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
3072 ret = cadsurf_compute_mesh(css);
3073 if ( ret != STATUS_OK ) return false;
3076 cadsurf_get_mesh(css, &omsh);
3077 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
3080 // Update SALOME mesh
3082 // remove quadrangles and triangles
3083 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
3085 const SMDS_MeshElement* face = faceIt->next();
3086 if ( !face->IsPoly() )
3087 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
3089 // remove edges that bound the just removed faces
3090 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
3092 const SMDS_MeshElement* edge = edgeIt->next();
3093 const SMDS_MeshNode* n0 = edge->GetNode(0);
3094 const SMDS_MeshNode* n1 = edge->GetNode(1);
3095 if ( n0->isMarked() &&
3097 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
3098 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
3099 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
3101 // remove nodes that just became free
3102 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3104 const SMDS_MeshNode* n = nodeIt->next();
3105 if ( n->isMarked() && n->NbInverseElements() == 0 )
3106 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3110 meshgems_integer nbvtx = 0, nodeID;
3111 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3112 meshgems_real xyz[3];
3113 for ( i = 1; i <= nbvtx; ++i )
3115 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3116 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3117 nodeID = (meshgems_integer) n->GetID();
3118 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3122 meshgems_integer nbtri = 0;
3123 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3124 const SMDS_MeshNode* nodes[4];
3125 for ( i = 1; i <= nbtri; ++i )
3127 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3128 for ( int j = 0; j < 3; ++j )
3130 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3131 nodes[j] = meshDS->FindNode( nodeID );
3133 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3137 meshgems_integer nbquad = 0;
3138 meshgems_mesh_get_quadrangle_count( omsh, &nbquad );
3139 for ( i = 1; i <= nbquad; ++i )
3141 meshgems_mesh_get_quadrangle_vertices( omsh, i, nodeIDs );
3142 for ( int j = 0; j < 4; ++j )
3144 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3145 nodes[j] = meshDS->FindNode( nodeID );
3147 meshDS->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
3152 std::string GMFFileName = _hypothesis->GetGMFFile();
3153 if ( !GMFFileName.empty() )
3155 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.size()-5) != std::string::npos);
3156 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.size()-6) != std::string::npos);
3157 if ( !asciiFound && !binaryFound )
3158 GMFFileName.append(".mesh");
3159 mesh_write_mesh(msh, GMFFileName.c_str());
3163 cadsurf_regain_mesh(css, omsh);
3165 // as we don't assign the new triangles to a shape (the pseudo-shape),
3166 // we mark the shape as always computed to avoid the error messages
3167 // that no elements assigned to the shape
3168 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3173 //================================================================================
3175 * \brief Terminates computation
3177 //================================================================================
3179 void BLSURFPlugin_BLSURF::CancelCompute()
3181 _compute_canceled = true;
3184 //=============================================================================
3188 //=============================================================================
3190 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3191 const SMDS_MeshNode* node,
3192 const TopoDS_Shape& ed)
3194 const TopoDS_Edge edge = TopoDS::Edge(ed);
3196 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3198 Standard_Real p0 = 0.0;
3199 Standard_Real p1 = 1.0;
3200 TopLoc_Location loc;
3201 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3202 if ( curve.IsNull() )
3204 // issue 22499. Node at a sphere apex
3205 meshDS->SetNodeOnEdge(node, edge, p0);
3209 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3210 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3213 if ( proj.NbPoints() > 0 )
3215 pa = (double)proj.LowerDistanceParameter();
3216 // Issue 0020656. Move node if it is too far from edge
3217 gp_Pnt curve_pnt = curve->Value( pa );
3218 double dist2 = pnt.SquareDistance( curve_pnt );
3219 double tol = BRep_Tool::Tolerance( edge );
3220 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3222 curve_pnt.Transform( loc );
3223 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3227 meshDS->SetNodeOnEdge(node, edge, pa);
3230 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3232 * NOTE : if when your CAD systems evaluates second
3233 * order derivatives it also computes first order derivatives and
3234 * function evaluation, you can optimize this example by making only
3235 * one CAD call and filling the necessary uv, dt, dtt arrays.
3237 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3239 /* t is given. It contains the 1D parametric coordintaes
3240 of the point MG-CADSurf is querying on the curve */
3242 /* user_data identifies the edge MG-CADSurf is querying */
3243 const Geom2d_Curve* pargeo = (const Geom2d_Curve*) user_data;
3246 /* MG-CADSurf is querying the function evaluation */
3247 gp_Pnt2d P = pargeo->Value(t);
3248 uv[0]=P.X(); uv[1]=P.Y();
3252 /* query for the first order derivatives */
3253 gp_Vec2d V1 = pargeo->DN(t,1);
3254 dt[0]=V1.X(); dt[1]=V1.Y();
3258 /* query for the second order derivatives */
3259 gp_Vec2d V2 = pargeo->DN(t,2);
3260 dtt[0]=V2.X(); dtt[1]=V2.Y();
3266 /* Surface definition function.
3267 * See cad_surf_t in file meshgems/cad.h for more information.
3268 * NOTE : if when your CAD systems evaluates second order derivatives it also
3269 * computes first order derivatives and function evaluation, you can optimize
3270 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3273 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3274 real *duu, real *duv, real *dvv, void *user_data)
3276 /* uv[2] is given. It contains the u,v coordinates of the point
3277 * PreCAD/MG-CADSurf is querying on the surface */
3279 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3280 * cad_face_new later in this example)*/
3281 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3285 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3286 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3293 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3294 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3295 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3298 if(duu && duv && dvv){
3302 gp_Vec D2U,D2V,D2UV;
3304 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3305 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3306 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3307 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3314 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3316 TId2ClsAttractorVec::iterator f2attVec;
3317 if (FaceId2PythonSmp.count(face_id) != 0) {
3318 assert(Py_IsInitialized());
3319 PyGILState_STATE gstate;
3320 gstate = PyGILState_Ensure();
3321 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3323 if ( pyresult != NULL) {
3324 result = PyFloat_AsDouble(pyresult);
3325 Py_DECREF(pyresult);
3330 string err_description="";
3331 PyObject* new_stderr = newPyStdOut(err_description);
3332 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3333 Py_INCREF(old_stderr);
3334 PySys_SetObject((char*)"stderr", new_stderr);
3336 PySys_SetObject((char*)"stderr", old_stderr);
3337 Py_DECREF(new_stderr);
3338 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3339 result = *((real*)user_data);
3342 PyGILState_Release(gstate);
3344 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3348 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3349 for ( size_t i = 0; i < attVec.size(); ++i )
3351 //result += attVec[i]->GetSize(uv[0],uv[1]);
3352 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3354 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3358 *size = *((real*)user_data);
3360 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3364 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3366 if (EdgeId2PythonSmp.count(edge_id) != 0){
3367 assert(Py_IsInitialized());
3368 PyGILState_STATE gstate;
3369 gstate = PyGILState_Ensure();
3370 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3372 if ( pyresult != NULL) {
3373 result = PyFloat_AsDouble(pyresult);
3374 Py_DECREF(pyresult);
3379 string err_description="";
3380 PyObject* new_stderr = newPyStdOut(err_description);
3381 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3382 Py_INCREF(old_stderr);
3383 PySys_SetObject((char*)"stderr", new_stderr);
3385 PySys_SetObject((char*)"stderr", old_stderr);
3386 Py_DECREF(new_stderr);
3387 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3388 result = *((real*)user_data);
3391 PyGILState_Release(gstate);
3394 *size = *((real*)user_data);
3399 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3401 if (VertexId2PythonSmp.count(point_id) != 0){
3402 assert(Py_IsInitialized());
3403 PyGILState_STATE gstate;
3404 gstate = PyGILState_Ensure();
3405 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3407 if ( pyresult != NULL) {
3408 result = PyFloat_AsDouble(pyresult);
3409 Py_DECREF(pyresult);
3414 string err_description="";
3415 PyObject* new_stderr = newPyStdOut(err_description);
3416 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3417 Py_INCREF(old_stderr);
3418 PySys_SetObject((char*)"stderr", new_stderr);
3420 PySys_SetObject((char*)"stderr", old_stderr);
3421 Py_DECREF(new_stderr);
3422 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3423 result = *((real*)user_data);
3426 PyGILState_Release(gstate);
3429 *size = *((real*)user_data);
3435 * The following function will be called for PreCAD/MG-CADSurf message
3436 * printing. See context_set_message_callback (later in this
3437 * template) for how to set user_data.
3439 status_t message_cb(message_t *msg, void *user_data)
3441 integer errnumber = 0;
3443 message_get_number(msg, &errnumber);
3444 message_get_description(msg, &desc);
3446 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3447 // Get all the error message and some warning messages related to license and periodicity
3448 if ( errnumber < 0 ||
3449 err.find("license" ) != string::npos ||
3450 err.find("periodicity") != string::npos )
3452 // remove ^A from the tail
3453 size_t len = strlen( desc );
3454 while (len > 0 && desc[len-1] != '\n')
3456 mcud->_error->append( desc, len );
3459 if ( errnumber == 3009001 )
3460 * mcud->_progress = atof( desc + 11 ) / 100.;
3461 if ( mcud->_verbosity > 0 )
3462 std::cout << desc << std::endl;
3467 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3468 * function regularily. See the file meshgems/interrupt.h
3470 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3472 integer you_want_to_continue = 1;
3473 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3474 you_want_to_continue = !tmp->computeCanceled();
3476 if(you_want_to_continue)
3478 *interrupt_status = INTERRUPT_CONTINUE;
3481 else /* you want to stop MG-CADSurf */
3483 *interrupt_status = INTERRUPT_STOP;
3484 return STATUS_ERROR;
3488 //=============================================================================
3492 //=============================================================================
3493 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3494 const TopoDS_Shape& aShape,
3495 MapShapeNbElems& aResMap)
3497 double diagonal = aMesh.GetShapeDiagonalSize();
3498 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3499 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3500 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3501 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3502 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3503 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3504 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3506 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3507 _phySizeRel = _hypothesis->IsPhySizeRel();
3508 if ( _hypothesis->GetPhySize() > 0)
3509 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3510 //_geometricMesh = (int) hyp->GetGeometricMesh();
3511 if (_hypothesis->GetAngleMesh() > 0)
3512 _angleMesh = _hypothesis->GetAngleMesh();
3513 _elementType = _hypothesis->GetElementType();
3515 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3516 // GetDefaultPhySize() sometimes leads to computation failure
3517 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3520 bool IsQuadratic = _quadraticMesh;
3525 TopTools_DataMapOfShapeInteger EdgesMap;
3526 double fullLen = 0.0;
3527 double fullNbSeg = 0;
3528 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3529 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3530 if( EdgesMap.IsBound(E) )
3532 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3533 double aLen = SMESH_Algo::EdgeLength(E);
3536 if(_physicalMesh==1) {
3537 nb1d = (int)( aLen/_phySize + 1 );
3542 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3543 double fullAng = 0.0;
3544 double dp = (l-f)/200;
3549 for(int j=2; j<=200; j++) {
3552 fullAng += fabs(V1.Angle(V2));
3556 nb1d = (int)( fullAng/_angleMesh + 1 );
3559 std::vector<smIdType> aVec(SMDSEntity_Last);
3560 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3561 if( IsQuadratic > 0 ) {
3562 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3563 aVec[SMDSEntity_Quad_Edge] = nb1d;
3566 aVec[SMDSEntity_Node] = nb1d - 1;
3567 aVec[SMDSEntity_Edge] = nb1d;
3569 aResMap.insert(std::make_pair(sm,aVec));
3570 EdgesMap.Bind(E,nb1d);
3572 double ELen = fullLen/fullNbSeg;
3576 // try to evaluate as in MEFISTO
3577 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3578 TopoDS_Face F = TopoDS::Face( exp.Current() );
3579 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3581 BRepGProp::SurfaceProperties(F,G);
3582 double anArea = G.Mass();
3584 std::vector<int> nb1dVec;
3585 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3586 int nbSeg = EdgesMap.Find(exp1.Current());
3588 nb1dVec.push_back( nbSeg );
3591 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3592 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3593 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3595 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3597 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3599 nbNodes = (n1 + 1) * (n2 + 1);
3604 nbTria = nbQuad = nbTria / 3 + 1;
3607 std::vector<smIdType> aVec(SMDSEntity_Last,0);
3609 int nb1d_in = (nbTria*3 - nb1d) / 2;
3610 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3611 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3612 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3615 aVec[SMDSEntity_Node] = nbNodes;
3616 aVec[SMDSEntity_Triangle] = nbTria;
3617 aVec[SMDSEntity_Quadrangle] = nbQuad;
3619 aResMap.insert(std::make_pair(sm,aVec));
3626 BRepGProp::VolumeProperties(aShape,G);
3627 double aVolume = G.Mass();
3628 double tetrVol = 0.1179*ELen*ELen*ELen;
3629 int nbVols = int(aVolume/tetrVol);
3630 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3631 std::vector<smIdType> aVec(SMDSEntity_Last);
3632 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3634 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3635 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3638 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3639 aVec[SMDSEntity_Tetra] = nbVols;
3641 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3642 aResMap.insert(std::make_pair(sm,aVec));
3647 //================================================================================
3649 * \brief Find TopoDS_Shape for each hyper-patch study entry in a hypothesis
3651 //================================================================================
3653 void BLSURFPlugin_BLSURF::FillEntryToShape( const BLSURFPlugin_Hypothesis* hyp,
3654 std::map< std::string, TopoDS_Shape > & entryToShape )
3656 SMESH_Gen_i* smeshGen = SMESH_Gen_i::GetSMESHGen();
3657 for ( const ::BLSURFPlugin_Hypothesis::THyperPatchEntries& entries : hyp->GetHyperPatchEntries() )
3658 for ( const std::string& entry : entries )
3660 GEOM::GEOM_Object_var go = smeshGen->GetGeomObjectByEntry( entry );
3661 TopoDS_Shape shape = smeshGen->GeomObjectToShape( go );
3662 if ( !shape.IsNull() )
3663 entryToShape.insert({ entry, shape });