1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 // File : BLSURFPlugin_BLSURF.cxx
22 // Authors : Francis KLOSS (OCC) & Patrick LAUG (INRIA) & Lioka RAZAFINDRAZAKA (CEA)
23 // & Aurelien ALLEAUME (DISTENE)
24 // Size maps developement: Nicolas GEIMER (OCC) & Gilles DAVID (EURIWARE)
27 #include "BLSURFPlugin_BLSURF.hxx"
28 #include "BLSURFPlugin_Hypothesis.hxx"
29 #include "BLSURFPlugin_Attractor.hxx"
32 #include <meshgems/meshgems.h>
33 #include <meshgems/cadsurf.h>
36 #include <structmember.h>
39 #include <Basics_Utils.hxx>
40 #include <Basics_OCCTVersion.hxx>
42 #include <SMDS_EdgePosition.hxx>
43 #include <SMESHDS_Group.hxx>
44 #include <SMESH_Gen.hxx>
45 #include <SMESH_Group.hxx>
46 #include <SMESH_Mesh.hxx>
47 #include <SMESH_MeshEditor.hxx>
48 #include <SMESH_MesherHelper.hxx>
49 #include <StdMeshers_FaceSide.hxx>
50 #include <StdMeshers_ViscousLayers2D.hxx>
51 #include <SMESH_File.hxx>
53 #include <utilities.h>
61 // OPENCASCADE includes
62 #include <BRepBuilderAPI_MakeFace.hxx>
63 #include <BRepBuilderAPI_MakePolygon.hxx>
64 #include <BRepBuilderAPI_MakeWire.hxx>
65 #include <BRepGProp.hxx>
66 #include <BRepTools.hxx>
67 #include <BRep_Builder.hxx>
68 #include <BRep_Tool.hxx>
69 #include <GProp_GProps.hxx>
70 #include <Geom2d_Curve.hxx>
71 #include <Geom2d_Line.hxx>
72 #include <GeomAPI_ProjectPointOnCurve.hxx>
73 #include <GeomAPI_ProjectPointOnSurf.hxx>
74 #include <Geom_Curve.hxx>
75 #include <Geom_Surface.hxx>
76 #include <NCollection_DataMap.hxx>
77 #include <NCollection_Map.hxx>
78 #include <Standard_ErrorHandler.hxx>
80 #include <TopExp_Explorer.hxx>
81 #include <TopTools_DataMapOfShapeInteger.hxx>
82 #include <TopTools_IndexedMapOfShape.hxx>
83 #include <TopTools_MapOfShape.hxx>
85 #include <TopoDS_Compound.hxx>
86 #include <TopoDS_Edge.hxx>
87 #include <TopoDS_Face.hxx>
88 #include <TopoDS_Shape.hxx>
89 #include <TopoDS_Vertex.hxx>
90 #include <TopoDS_Wire.hxx>
92 #include <gp_Pnt2d.hxx>
102 /* ==================================
103 * =========== PYTHON ==============
104 * ==================================*/
115 PyStdOut_dealloc(PyStdOut *self)
121 PyStdOut_write(PyStdOut *self, PyObject *args)
125 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
128 *(self->out)=*(self->out)+c;
134 static PyMethodDef PyStdOut_methods[] = {
135 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
136 PyDoc_STR("write(string) -> None")},
137 {NULL, NULL} /* sentinel */
140 static PyMemberDef PyStdOut_memberlist[] = {
141 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
142 (char*)"flag indicating that a space needs to be printed; used by print"},
143 {NULL} /* Sentinel */
146 static PyTypeObject PyStdOut_Type = {
147 /* The ob_type field must be initialized in the module init function
148 * to be portable to Windows without using C++. */
149 PyObject_HEAD_INIT(NULL)
152 sizeof(PyStdOut), /*tp_basicsize*/
155 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
162 0, /*tp_as_sequence*/
167 PyObject_GenericGetAttr, /*tp_getattro*/
168 /* softspace is writable: we must supply tp_setattro */
169 PyObject_GenericSetAttr, /* tp_setattro */
171 Py_TPFLAGS_DEFAULT, /*tp_flags*/
175 0, /*tp_richcompare*/
176 0, /*tp_weaklistoffset*/
179 PyStdOut_methods, /*tp_methods*/
180 PyStdOut_memberlist, /*tp_members*/
194 PyObject * newPyStdOut( std::string& out )
196 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
201 return (PyObject*)self;
206 ////////////////////////END PYTHON///////////////////////////
208 //////////////////MY MAPS////////////////////////////////////////
210 TopTools_IndexedMapOfShape FacesWithSizeMap;
211 std::map<int,string> FaceId2SizeMap;
212 TopTools_IndexedMapOfShape EdgesWithSizeMap;
213 std::map<int,string> EdgeId2SizeMap;
214 TopTools_IndexedMapOfShape VerticesWithSizeMap;
215 std::map<int,string> VertexId2SizeMap;
217 std::map<int,PyObject*> FaceId2PythonSmp;
218 std::map<int,PyObject*> EdgeId2PythonSmp;
219 std::map<int,PyObject*> VertexId2PythonSmp;
221 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
222 TId2ClsAttractorVec FaceId2ClassAttractor;
223 TId2ClsAttractorVec FaceIndex2ClassAttractor;
224 std::map<int,std::vector<double> > FaceId2AttractorCoords;
227 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
228 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
229 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
230 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
231 SMESH_MesherHelper* theHelper;
233 bool HasSizeMapOnFace=false;
234 bool HasSizeMapOnEdge=false;
235 bool HasSizeMapOnVertex=false;
236 //bool HasAttractorOnFace=false;
238 //=============================================================================
242 //=============================================================================
244 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
248 : SMESH_2D_Algo(hypId, studyId, gen)
250 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
251 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
252 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
254 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
255 _requireDiscreteBoundary = false;
256 _onlyUnaryInput = false;
258 _supportSubmeshes = true;
259 _requireShape = theHasGEOM;
261 smeshGen_i = SMESH_Gen_i::GetSMESHGen();
262 CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
263 SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
266 myStudy = aStudyMgr->GetStudyByID(_studyId);
268 /* Initialize the Python interpreter */
269 assert(Py_IsInitialized());
270 PyGILState_STATE gstate;
271 gstate = PyGILState_Ensure();
274 main_mod = PyImport_AddModule("__main__");
277 main_dict = PyModule_GetDict(main_mod);
279 PyRun_SimpleString("from math import *");
280 PyGILState_Release(gstate);
282 FacesWithSizeMap.Clear();
283 FaceId2SizeMap.clear();
284 EdgesWithSizeMap.Clear();
285 EdgeId2SizeMap.clear();
286 VerticesWithSizeMap.Clear();
287 VertexId2SizeMap.clear();
288 FaceId2PythonSmp.clear();
289 EdgeId2PythonSmp.clear();
290 VertexId2PythonSmp.clear();
291 FaceId2AttractorCoords.clear();
292 FaceId2ClassAttractor.clear();
293 FaceIndex2ClassAttractor.clear();
294 FacesWithEnforcedVertices.Clear();
295 FaceId2EnforcedVertexCoords.clear();
296 EnfVertexCoords2ProjVertex.clear();
297 EnfVertexCoords2EnfVertexList.clear();
299 _compute_canceled = false;
302 //=============================================================================
306 //=============================================================================
308 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
313 //=============================================================================
317 //=============================================================================
319 bool BLSURFPlugin_BLSURF::CheckHypothesis
321 const TopoDS_Shape& aShape,
322 SMESH_Hypothesis::Hypothesis_Status& aStatus)
325 _haveViscousLayers = false;
327 list<const SMESHDS_Hypothesis*>::const_iterator itl;
328 const SMESHDS_Hypothesis* theHyp;
330 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
331 /*ignoreAuxiliary=*/false);
332 aStatus = SMESH_Hypothesis::HYP_OK;
335 return true; // can work with no hypothesis
338 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
341 string hypName = theHyp->GetName();
342 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
343 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
345 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
347 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
348 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
349 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
350 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
352 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
354 if ( !_haveViscousLayers )
356 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
357 _haveViscousLayers = true;
362 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
365 return aStatus == SMESH_Hypothesis::HYP_OK;
368 //=============================================================================
370 * Pass parameters to MG-CADSurf
372 //=============================================================================
374 inline std::string val_to_string(double d)
376 std::ostringstream o;
381 inline std::string val_to_string_rel(double d)
383 std::ostringstream o;
389 inline std::string val_to_string(int i)
391 std::ostringstream o;
396 inline std::string val_to_string_rel(int i)
398 std::ostringstream o;
404 double _smp_phy_size;
405 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
406 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
407 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
414 /////////////////////////////////////////////////////////
416 projectionPoint getProjectionPoint(TopoDS_Face& theFace, const gp_Pnt& thePoint)
418 projectionPoint myPoint;
420 if ( theFace.IsNull() )
422 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
423 TopTools_MapOfShape checkedFaces;
424 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
426 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
428 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
429 if ( !checkedFaces.Add( face )) continue;
431 // check distance to face
432 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
433 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
434 double distance = surface->Gap();
435 if ( distance > Precision::Confusion() )
437 // the face is far, store for future analysis
438 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
442 // check location on the face
443 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
444 if ( FC.State() == TopAbs_IN )
446 if ( !foundFace.IsNull() )
447 return myPoint; // thePoint seems to be TopAbs_ON
449 myPoint.uv = uv.XY();
450 myPoint.xyz = surface->Value( uv ).XYZ();
453 if ( FC.State() == TopAbs_ON )
457 if ( foundFace.IsNull() )
459 // find the closest face
460 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
461 for ( ; d2f != dist2face.end(); ++d2f )
463 const TopoDS_Face& face = d2f->second.first;
464 const gp_Pnt2d & uv = d2f->second.second;
465 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
466 if ( FC.State() == TopAbs_IN )
469 myPoint.uv = uv.XY();
470 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
475 // set the resultShape
476 // if ( foundFace.IsNull() )
477 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
478 // "getProjectionPoint: can't find a face by a vertex");
479 theFace = TopoDS::Face( foundFace );
483 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
484 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
485 if ( !projector.IsDone() || projector.NbPoints()==0 )
486 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
487 "getProjectionPoint: can't project a vertex to a face");
489 Quantity_Parameter u,v;
490 projector.LowerDistanceParameters(u,v);
491 myPoint.uv = gp_XY(u,v);
492 gp_Pnt aPnt = projector.NearestPoint();
493 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
495 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
496 if ( FC.State() != TopAbs_IN )
503 /////////////////////////////////////////////////////////
504 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
507 if ( !entry.empty() )
509 GEOM::GEOM_Object_var aGeomObj;
510 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
511 if (!aSObj->_is_nil()) {
512 CORBA::Object_var obj = aSObj->GetObject();
513 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
516 if ( !aGeomObj->_is_nil() )
517 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
522 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
524 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
526 // Find the face and get the (u,v) values of the enforced vertex on the face
527 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
528 if ( faceShape.IsNull() )
531 enf_coords.push_back(aPnt.X());
532 enf_coords.push_back(aPnt.Y());
533 enf_coords.push_back(aPnt.Z());
535 coords.push_back(myPoint.uv.X());
536 coords.push_back(myPoint.uv.Y());
537 coords.push_back(myPoint.xyz.X());
538 coords.push_back(myPoint.xyz.Y());
539 coords.push_back(myPoint.xyz.Z());
541 s_coords.push_back(myPoint.xyz.X());
542 s_coords.push_back(myPoint.xyz.Y());
543 s_coords.push_back(myPoint.xyz.Z());
545 // Save pair projected vertex / enf vertex
546 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
547 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
548 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
549 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
550 if (ret.second == false) {
552 (*it)->grpName = enfVertex->grpName;
556 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
557 key = FacesWithEnforcedVertices.Add(faceShape);
560 key = FacesWithEnforcedVertices.FindIndex(faceShape);
563 // If a node is already created by an attractor, do not create enforced vertex
564 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
565 bool sameAttractor = false;
566 if (attractorKey >= 0)
567 if (FaceId2AttractorCoords.count(attractorKey) > 0)
568 if (FaceId2AttractorCoords[attractorKey] == coords)
569 sameAttractor = true;
571 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
573 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
576 if (! sameAttractor) {
577 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
579 FaceId2EnforcedVertexCoords[key] = ens;
584 /////////////////////////////////////////////////////////
585 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
587 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
590 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
592 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
593 enfVertex = *enfVertexListIt;
594 // Case of manual coords
595 if (enfVertex->coords.size() != 0) {
596 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
597 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
600 // Case of geom vertex coords
601 if (enfVertex->geomEntry != "") {
602 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
603 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
604 if (GeomType == TopAbs_VERTEX)
606 enfVertex->vertex = TopoDS::Vertex( GeomShape );
607 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
608 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
611 if (GeomType == TopAbs_COMPOUND)
613 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
614 if (it.Value().ShapeType() == TopAbs_VERTEX)
616 enfVertex->vertex = TopoDS::Vertex( it.Value() );
617 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
618 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
625 /////////////////////////////////////////////////////////
626 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
628 double xa, ya, za; // Coordinates of attractor point
629 double a, b; // Attractor parameter
631 bool createNode=false; // To create a node on attractor projection
633 const char *sep = ";";
634 // atIt->second has the following pattern:
635 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
637 // xa;ya;za : coordinates of attractor
638 // a : desired size on attractor
639 // b : distance of influence of attractor
640 // d : distance until which the size remains constant
642 // We search the parameters in the string
644 pos1 = AttractorFunction.find(sep);
645 if (pos1!=string::npos)
646 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
648 pos2 = AttractorFunction.find(sep, pos1+1);
649 if (pos2!=string::npos) {
650 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
654 pos2 = AttractorFunction.find(sep, pos1+1);
655 if (pos2!=string::npos) {
656 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
660 pos2 = AttractorFunction.find(sep, pos1+1);
661 if (pos2!=string::npos) {
662 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
666 pos2 = AttractorFunction.find(sep, pos1+1);
667 if (pos2!=string::npos) {
668 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
672 pos2 = AttractorFunction.find(sep, pos1+1);
673 if (pos2!=string::npos) {
674 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
675 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
679 pos2 = AttractorFunction.find(")");
680 if (pos2!=string::npos) {
681 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
684 // Get the (u,v) values of the attractor on the face
685 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
686 gp_XY uvPoint = myPoint.uv;
687 gp_XYZ xyzPoint = myPoint.xyz;
688 Standard_Real u0 = uvPoint.X();
689 Standard_Real v0 = uvPoint.Y();
690 Standard_Real x0 = xyzPoint.X();
691 Standard_Real y0 = xyzPoint.Y();
692 Standard_Real z0 = xyzPoint.Z();
693 std::vector<double> coords;
694 coords.push_back(u0);
695 coords.push_back(v0);
696 coords.push_back(x0);
697 coords.push_back(y0);
698 coords.push_back(z0);
699 // We construct the python function
700 ostringstream attractorFunctionStream;
701 attractorFunctionStream << "def f(u,v): return ";
702 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
703 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
704 // rnc: make possible to keep the size constant until
705 // a defined distance. Distance is expressed as the positiv part
706 // of r-d where r is the distance to (u0,v0)
707 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
710 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
711 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
714 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
716 FaceId2SizeMap[key] =attractorFunctionStream.str();
718 FaceId2AttractorCoords[key] = coords;
720 // // Test for new attractors
721 // gp_Pnt myP(xyzPoint);
722 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
723 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
724 // myAttractor.SetParameters(a, defaultSize, b, d);
725 // myAttractor.SetType(1);
726 // FaceId2ClassAttractor[key] = myAttractor;
727 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
731 // One sub-shape to get ids from
732 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(TopoDS_Shape theMainShape, TopoDS_Shape theSubShape,
733 TopAbs_ShapeEnum theShapeType)
735 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
736 TopTools_IndexedMapOfShape anIndices;
738 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
740 // Standard_Boolean result = BRepTools::Write(theMainShape,"main_shape.brep");
742 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
744 int face_id = anIndices.FindIndex(face_iter.Current());
746 throw SALOME_Exception ( SMESH_Comment("Sub_shape not found in main_shape"));
747 face_ids.push_back(face_id);
748 // std::ostringstream o;
749 // o << "face_" << face_id << ".brep";
750 // std::string face_name = o.str();
751 // const TopoDS_Face& face = TopoDS::Face(face_iter.Current());
752 // Standard_Boolean result = BRepTools::Write(face,face_name.c_str());
758 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
759 TopoDS_Shape theSubShape,
760 TopAbs_ShapeEnum theShapeType)
762 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
764 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
766 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
768 throw SALOME_Exception ( SMESH_Comment("Sub_shape not found in main_shape"));
769 face_ids.push_back(face_id);
775 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
777 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
779 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
780 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
785 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
787 if (theVertexEntry!="")
789 TopoDS_Shape aShape = entryToShape(theVertexEntry);
791 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
792 double theX, theY, theZ;
797 theVerticesCoords.push_back(theX);
798 theVerticesCoords.push_back(theY);
799 theVerticesCoords.push_back(theZ);
803 /////////////////////////////////////////////////////////
804 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
806 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
807 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
809 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
810 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
812 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
813 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
814 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
816 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
817 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
819 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
822 /////////////////////////////////////////////////////////
823 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
825 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
826 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
828 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
829 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
831 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
832 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
833 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
835 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
836 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
838 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
842 /////////////////////////////////////////////////////////
844 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
845 cadsurf_session_t * css,
846 const TopoDS_Shape& theGeomShape)
849 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
850 FacesWithSizeMap.Clear();
851 FaceId2SizeMap.clear();
852 EdgesWithSizeMap.Clear();
853 EdgeId2SizeMap.clear();
854 VerticesWithSizeMap.Clear();
855 VertexId2SizeMap.clear();
856 FaceId2PythonSmp.clear();
857 EdgeId2PythonSmp.clear();
858 VertexId2PythonSmp.clear();
859 FaceId2AttractorCoords.clear();
860 FaceId2ClassAttractor.clear();
861 FaceIndex2ClassAttractor.clear();
862 FacesWithEnforcedVertices.Clear();
863 FaceId2EnforcedVertexCoords.clear();
864 EnfVertexCoords2ProjVertex.clear();
865 EnfVertexCoords2EnfVertexList.clear();
867 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
868 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
869 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
870 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
871 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
872 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
873 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
874 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
875 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
876 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
877 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
878 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
879 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
880 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
881 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
882 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
883 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
884 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
885 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
886 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
887 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
888 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
889 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
890 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
891 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
892 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
893 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
894 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
895 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
896 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
897 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
900 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
901 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
902 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
903 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
907 _physicalMesh = (int) hyp->GetPhysicalMesh();
908 _geometricMesh = (int) hyp->GetGeometricMesh();
909 if (hyp->GetPhySize() > 0) {
910 _phySize = hyp->GetPhySize();
911 // if user size is not explicitly specified, "relative" flag is ignored
912 _phySizeRel = hyp->IsPhySizeRel();
914 if (hyp->GetMinSize() > 0) {
915 _minSize = hyp->GetMinSize();
916 // if min size is not explicitly specified, "relative" flag is ignored
917 _minSizeRel = hyp->IsMinSizeRel();
919 if (hyp->GetMaxSize() > 0) {
920 _maxSize = hyp->GetMaxSize();
921 // if max size is not explicitly specified, "relative" flag is ignored
922 _maxSizeRel = hyp->IsMaxSizeRel();
924 _use_gradation = hyp->GetUseGradation();
925 if (hyp->GetGradation() > 0 && _use_gradation)
926 _gradation = hyp->GetGradation();
927 _use_volume_gradation = hyp->GetUseVolumeGradation();
928 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
929 _volume_gradation = hyp->GetVolumeGradation();
930 _quadAllowed = hyp->GetQuadAllowed();
931 if (hyp->GetAngleMesh() > 0)
932 _angleMesh = hyp->GetAngleMesh();
933 if (hyp->GetChordalError() > 0)
934 _chordalError = hyp->GetChordalError();
935 _anisotropic = hyp->GetAnisotropic();
936 if (hyp->GetAnisotropicRatio() >= 0)
937 _anisotropicRatio = hyp->GetAnisotropicRatio();
938 _removeTinyEdges = hyp->GetRemoveTinyEdges();
939 if (hyp->GetTinyEdgeLength() > 0)
940 _tinyEdgeLength = hyp->GetTinyEdgeLength();
941 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
942 if (hyp->GetTinyEdgeOptimisationLength() > 0)
943 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
944 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
945 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
946 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
947 _badElementRemoval = hyp->GetBadElementRemoval();
948 if (hyp->GetBadElementAspectRatio() >= 0)
949 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
950 _optimizeMesh = hyp->GetOptimizeMesh();
951 _quadraticMesh = hyp->GetQuadraticMesh();
952 _verb = hyp->GetVerbosity();
953 //_topology = (int) hyp->GetTopology();
955 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
956 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
957 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
958 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
960 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
961 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
962 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt )
963 if ( !opIt->second.empty() ) {
964 set_param(css, opIt->first.c_str(), opIt->second.c_str());
967 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
968 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
969 if ( !opIt->second.empty() ) {
970 set_param(css, opIt->first.c_str(), opIt->second.c_str());
973 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
974 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
975 if ( !opIt->second.empty() ) {
976 set_param(css, opIt->first.c_str(), opIt->second.c_str());
980 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
982 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
984 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
985 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
986 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
987 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
988 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
989 //set_param(css, "max_number_of_points_per_patch", "1000000");
991 bool useGradation = false;
992 switch (_physicalMesh)
994 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
995 set_param(css, "physical_size_mode", "global");
996 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
998 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
999 set_param(css, "physical_size_mode", "local");
1000 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1001 useGradation = true;
1004 set_param(css, "physical_size_mode", "none");
1007 switch (_geometricMesh)
1009 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1010 set_param(css, "geometric_size_mode", "global");
1011 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1012 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1013 useGradation = true;
1015 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1016 set_param(css, "geometric_size_mode", "local");
1017 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1018 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1019 useGradation = true;
1022 set_param(css, "geometric_size_mode", "none");
1025 if ( hyp && hyp->GetPhySize() > 0 ) {
1026 // user size is explicitly specified via hypothesis parameters
1027 // min and max sizes should be compared with explicitly specified user size
1028 // - compute absolute min size
1029 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1030 // - min size should not be greater than user size
1031 if ( _phySize < mins )
1032 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1034 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1035 // - compute absolute max size
1036 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1037 // - max size should not be less than user size
1038 if ( _phySize > maxs )
1039 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1041 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1044 // user size is not explicitly specified
1045 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1046 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1047 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1048 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1050 // anisotropic and quadrangle mesh requires disabling gradation
1051 if ( _anisotropic && _quadAllowed )
1052 useGradation = false; // limitation of V1.3
1053 if ( useGradation && _use_gradation )
1054 set_param(css, "gradation", val_to_string(_gradation).c_str());
1055 if ( useGradation && _use_volume_gradation )
1056 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1057 set_param(css, "element_generation", _quadAllowed ? "quad_dominant" : "triangle");
1060 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1062 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1063 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1064 if ( _removeTinyEdges )
1065 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1066 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1067 if ( _optimiseTinyEdges )
1068 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1069 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1070 if ( _correctSurfaceIntersec )
1071 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1072 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1073 if ( _badElementRemoval )
1074 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1075 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1076 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1077 set_param(css, "verbose", val_to_string(_verb).c_str());
1079 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1081 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1083 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1085 TopoDS_Shape GeomShape;
1086 TopoDS_Shape AttShape;
1087 TopAbs_ShapeEnum GeomType;
1089 // Standard Size Maps
1091 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1092 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1093 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1094 if ( !smIt->second.empty() ) {
1095 GeomShape = entryToShape(smIt->first);
1096 GeomType = GeomShape.ShapeType();
1099 if (GeomType == TopAbs_COMPOUND) {
1100 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1102 if (it.Value().ShapeType() == TopAbs_FACE){
1103 HasSizeMapOnFace = true;
1104 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1105 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1108 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1110 FaceId2SizeMap[key] = smIt->second;
1113 if (it.Value().ShapeType() == TopAbs_EDGE){
1114 HasSizeMapOnEdge = true;
1115 HasSizeMapOnFace = true;
1116 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1117 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1120 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1122 EdgeId2SizeMap[key] = smIt->second;
1124 // Group of vertices
1125 if (it.Value().ShapeType() == TopAbs_VERTEX){
1126 HasSizeMapOnVertex = true;
1127 HasSizeMapOnEdge = true;
1128 HasSizeMapOnFace = true;
1129 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1130 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1133 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1135 VertexId2SizeMap[key] = smIt->second;
1140 if (GeomType == TopAbs_FACE){
1141 HasSizeMapOnFace = true;
1142 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1143 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1146 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1148 FaceId2SizeMap[key] = smIt->second;
1151 if (GeomType == TopAbs_EDGE){
1152 HasSizeMapOnEdge = true;
1153 HasSizeMapOnFace = true;
1154 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1155 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1158 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1160 EdgeId2SizeMap[key] = smIt->second;
1163 if (GeomType == TopAbs_VERTEX){
1164 HasSizeMapOnVertex = true;
1165 HasSizeMapOnEdge = true;
1166 HasSizeMapOnFace = true;
1167 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1168 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1171 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1173 VertexId2SizeMap[key] = smIt->second;
1181 // TODO appeler le constructeur des attracteurs directement ici
1182 // if ( !_phySizeRel ) {
1183 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1184 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1185 for ( ; atIt != attractors.end(); ++atIt ) {
1186 if ( !atIt->second.empty() ) {
1187 GeomShape = entryToShape(atIt->first);
1188 GeomType = GeomShape.ShapeType();
1190 if (GeomType == TopAbs_COMPOUND){
1191 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1192 if (it.Value().ShapeType() == TopAbs_FACE){
1193 HasSizeMapOnFace = true;
1194 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1199 if (GeomType == TopAbs_FACE){
1200 HasSizeMapOnFace = true;
1201 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1204 if (GeomType == TopAbs_EDGE){
1205 HasSizeMapOnEdge = true;
1206 HasSizeMapOnFace = true;
1207 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1209 if (GeomType == TopAbs_VERTEX){
1210 HasSizeMapOnVertex = true;
1211 HasSizeMapOnEdge = true;
1212 HasSizeMapOnFace = true;
1213 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1221 // temporary commented out for testing
1223 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1224 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1225 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1227 // - Construct the attractors with an empty dist. map in the hypothesis
1228 // - 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()
1229 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1231 theNbAttractors = 0;
1232 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1234 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1235 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1236 if ( !AtIt->second->Empty() ) {
1237 GeomShape = entryToShape(AtIt->first);
1238 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1240 AttShape = AtIt->second->GetAttractorShape();
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 // HasAttractorOnFace = true;
1247 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1252 if (GeomType == TopAbs_FACE
1253 && (AttShape.ShapeType() == TopAbs_VERTEX
1254 || AttShape.ShapeType() == TopAbs_EDGE
1255 || AttShape.ShapeType() == TopAbs_WIRE
1256 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1257 HasSizeMapOnFace = true;
1259 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1261 FaceId2ClassAttractor[key].push_back( AtIt->second );
1265 MESSAGE("Wrong shape type !!")
1273 // Enforced Vertices
1275 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1276 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1277 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1278 if ( !enfIt->second.empty() ) {
1279 GeomShape = entryToShape(enfIt->first);
1280 if ( GeomShape.IsNull() )
1282 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1285 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1287 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1288 if (it.Value().ShapeType() == TopAbs_FACE){
1289 HasSizeMapOnFace = true;
1290 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1294 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1296 HasSizeMapOnFace = true;
1297 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1302 // Internal vertices
1303 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1304 if (useInternalVertexAllFaces) {
1305 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1307 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1308 for (; exp.More(); exp.Next()){
1309 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1310 for (; exp_face.More(); exp_face.Next())
1312 // Get coords of vertex
1313 // Check if current coords is already in enfVertexList
1314 // If coords not in enfVertexList, add new enfVertex
1315 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1316 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1317 enfVertex->coords.push_back(aPnt.X());
1318 enfVertex->coords.push_back(aPnt.Y());
1319 enfVertex->coords.push_back(aPnt.Z());
1320 enfVertex->name = "";
1321 enfVertex->faceEntries.clear();
1322 enfVertex->geomEntry = "";
1323 enfVertex->grpName = grpName;
1324 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1325 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1326 HasSizeMapOnFace = true;
1331 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1333 if (HasSizeMapOnEdge){
1334 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1336 if (HasSizeMapOnVertex){
1337 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1344 _preCadFacesIDsPeriodicityVector.clear();
1345 _preCadEdgesIDsPeriodicityVector.clear();
1347 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
1349 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1350 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1353 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1355 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1356 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1360 //================================================================================
1362 * \brief Throws an exception if a parameter name is wrong
1364 //================================================================================
1366 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1367 const char * option_name,
1368 const char * option_value)
1370 status_t status = cadsurf_set_param(css, option_name, option_value );
1372 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1373 cout << option_name << " = " << option_value << endl;
1375 if ( status != MESHGEMS_STATUS_OK )
1377 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1378 throw SALOME_Exception
1379 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1381 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1382 throw SALOME_Exception
1383 ( "No valid license available" );
1385 throw SALOME_Exception
1386 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1387 << option_name << "': " << option_value);
1393 // --------------------------------------------------------------------------
1395 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1397 struct BLSURF_Cleaner
1400 cadsurf_session_t* _css;
1404 BLSURF_Cleaner(context_t * ctx,
1405 cadsurf_session_t* css=0,
1416 Clean( /*exceptContext=*/false );
1418 void Clean(const bool exceptContext)
1422 cadsurf_session_delete(_css); _css = 0;
1424 // #if BLSURF_VERSION_LONG >= "3.1.1"
1425 // // if(geo_sizemap_e)
1426 // // distene_sizemap_delete(geo_sizemap_e);
1427 // // if(geo_sizemap_f)
1428 // // distene_sizemap_delete(geo_sizemap_f);
1429 // if(iso_sizemap_p)
1430 // distene_sizemap_delete(iso_sizemap_p);
1431 // if(iso_sizemap_e)
1432 // distene_sizemap_delete(iso_sizemap_e);
1433 // if(iso_sizemap_f)
1434 // distene_sizemap_delete(iso_sizemap_f);
1436 // // if(clean_geo_sizemap_e)
1437 // // distene_sizemap_delete(clean_geo_sizemap_e);
1438 // // if(clean_geo_sizemap_f)
1439 // // distene_sizemap_delete(clean_geo_sizemap_f);
1440 // if(clean_iso_sizemap_p)
1441 // distene_sizemap_delete(clean_iso_sizemap_p);
1442 // if(clean_iso_sizemap_e)
1443 // distene_sizemap_delete(clean_iso_sizemap_e);
1444 // if(clean_iso_sizemap_f)
1445 // distene_sizemap_delete(clean_iso_sizemap_f);
1448 cad_delete(_cad); _cad = 0;
1449 dcad_delete(_dcad); _dcad = 0;
1450 if ( !exceptContext )
1452 context_delete(_ctx); _ctx = 0;
1458 // --------------------------------------------------------------------------
1459 // comparator to sort nodes and sub-meshes
1460 struct ShapeTypeCompare
1462 // sort nodes by position in the following order:
1463 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1464 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1466 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1467 return n1->getIdInShape() < n2->getIdInShape();
1468 // SMDS_TypeOfPosition pos1 = n1->GetPosition()->GetTypeOfPosition();
1469 // SMDS_TypeOfPosition pos2 = n2->GetPosition()->GetTypeOfPosition();
1470 // if ( pos1 == pos2 ) return 0;
1471 // if ( pos1 < pos2 || pos1 == SMDS_TOP_3DSPACE ) return 1;
1474 // sort sub-meshes in order: EDGE, VERTEX
1475 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1477 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1478 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1479 if ( isVertex1 == isVertex2 )
1481 return isVertex1 < isVertex2;
1485 //================================================================================
1487 * \brief Fills groups of nodes to be merged
1489 //================================================================================
1491 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1492 const TopoDS_Shape& shape,
1493 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1495 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1496 switch ( shape.ShapeType() )
1498 case TopAbs_VERTEX: {
1499 std::list< const SMDS_MeshNode* > nodes;
1500 while ( nIt->more() )
1501 nodes.push_back( nIt->next() );
1502 if ( nodes.size() > 1 )
1503 nodeGroupsToMerge.push_back( nodes );
1507 std::multimap< double, const SMDS_MeshNode* > u2node;
1508 const SMDS_EdgePosition* ePos;
1509 while ( nIt->more() )
1511 const SMDS_MeshNode* n = nIt->next();
1512 if (( ePos = dynamic_cast< const SMDS_EdgePosition* >( n->GetPosition() )))
1513 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1515 if ( u2node.size() < 2 ) return;
1517 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1519 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1520 double tol = (( l - f ) / 20.) / u2node.size();
1522 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1523 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1525 if (( un2->first - un1->first ) <= tol )
1527 std::list< const SMDS_MeshNode* > nodes;
1528 nodes.push_back( un1->second );
1529 while (( un2->first - un1->first ) <= tol )
1531 nodes.push_back( un2->second );
1532 if ( ++un2 == u2node.end()) {
1537 // make nodes created on the boundary of viscous layer replace nodes created
1538 // by MG-CADSurf as their SMDS_Position is more correct
1539 nodes.sort( ShapeTypeCompare() );
1540 nodeGroupsToMerge.push_back( nodes );
1547 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1548 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1550 // cout << "Merge ";
1551 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1552 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1553 // for ( ; nIt != nl.end(); ++nIt )
1554 // cout << (*nIt) << " ";
1560 //================================================================================
1562 * \brief A temporary mesh used to compute mesh on a proxy FACE
1564 //================================================================================
1566 struct TmpMesh: public SMESH_Mesh
1568 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1569 TN2NMap _tmp2origNN;
1570 TopoDS_Face _proxyFace;
1574 _myMeshDS = new SMESHDS_Mesh( _id, true );
1576 //--------------------------------------------------------------------------------
1578 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1580 //--------------------------------------------------------------------------------
1582 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1583 const TopoDS_Face& origFace)
1585 // get data of nodes on inner boundary of viscous layers
1586 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1588 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1589 /*skipMediumNodes = */true,
1591 if ( err && err->IsKO() )
1592 throw *err.get(); // it should be caught at SMESH_subMesh
1594 SMESH_MesherHelper helper( *origMesh );
1595 helper.SetSubShape( origFace );
1596 const bool hasSeam = helper.HasRealSeam();
1598 // proxy nodes and corresponding tmp VERTEXes
1599 std::vector<const SMDS_MeshNode*> origNodes;
1600 std::vector<TopoDS_Vertex> tmpVertex;
1602 // create a proxy FACE
1603 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1604 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1605 bool hasPCurves = false;
1606 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1608 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1609 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1610 if ( wirePoints.size() < 3 )
1613 BRepBuilderAPI_MakePolygon polygon;
1614 const size_t i0 = tmpVertex.size();
1615 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1617 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1618 origNodes.push_back( wirePoints[ iN ].node );
1619 tmpVertex.push_back( polygon.LastVertex() );
1621 // check presence of a pcurve
1622 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1624 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1626 if ( !polygon.IsDone() )
1627 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1628 TopoDS_Wire wire = polygon;
1630 wire = updateSeam( wire, origNodes );
1631 newFace.Add( wire );
1633 _proxyFace = newFace;
1635 // set a new shape to mesh
1636 TopoDS_Compound auxCompoundToMesh;
1637 BRep_Builder shapeBuilder;
1638 shapeBuilder.MakeCompound( auxCompoundToMesh );
1639 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1640 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1642 ShapeToMesh( auxCompoundToMesh );
1645 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1647 // make nodes and fill in _tmp2origNN
1649 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1650 for ( size_t i = 0; i < origNodes.size(); ++i )
1652 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1653 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1654 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1655 // else -- it can be a seam vertex replaced by updateSeam()
1656 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1660 TopoDS_Vertex v1, v2;
1661 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1663 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1664 TopExp::Vertices( E, v1, v2 );
1665 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1666 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1668 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1669 tmpMeshDS->SetMeshElementOnShape( seg, E );
1675 //--------------------------------------------------------------------------------
1677 * \brief Add pcurve to the last edge of a wire
1679 //--------------------------------------------------------------------------------
1681 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1682 const TopoDS_Face& face,
1684 const uvPtStruct * wirePoints )
1688 TopoDS_Edge edge = wire.Edge();
1689 if ( edge.IsNull() ) return;
1691 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1696 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1697 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1698 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1699 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1700 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1701 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1702 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1703 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1706 //--------------------------------------------------------------------------------
1708 * \brief Replace coincident EDGEs with reversed copies.
1710 //--------------------------------------------------------------------------------
1712 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1713 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1715 BRepBuilderAPI_MakeWire newWire;
1717 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1718 TSeg2EdgeMap seg2EdgeMap;
1720 TopoDS_Iterator edgeIt( wire );
1721 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1723 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1724 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1726 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1727 bool isSeam = ( *edgeInMap != edge );
1730 edgeInMap->Reverse();
1733 newWire.Add( edge );
1738 //--------------------------------------------------------------------------------
1740 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1742 //--------------------------------------------------------------------------------
1744 void FillInOrigMesh( SMESH_Mesh& origMesh,
1745 const TopoDS_Face& origFace )
1747 SMESH_MesherHelper helper( origMesh );
1748 helper.SetSubShape( origFace );
1749 helper.SetElementsOnShape( true );
1751 SMESH_MesherHelper tmpHelper( *this );
1752 tmpHelper.SetSubShape( _proxyFace );
1754 // iterate over tmp faces and copy them in origMesh
1755 const SMDS_MeshNode* nodes[27];
1756 const SMDS_MeshNode* nullNode = 0;
1758 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1759 while ( fIt->more() )
1761 const SMDS_MeshElement* f = fIt->next();
1762 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1764 for ( ; nIt->more(); ++nbN )
1766 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1767 TN2NMap::iterator n2nIt =
1768 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1769 if ( !n2nIt->second ) {
1771 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1772 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1774 nodes[ nbN ] = n2nIt->second;
1777 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1778 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1779 // nodes[3], nodes[4], nodes[5]); break;
1780 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1781 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1782 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1783 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1784 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1791 * \brief A structure holding an error description and a verbisity level
1793 struct message_cb_user_data
1795 std::string * _error;
1802 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1803 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1804 real *duu, real *duv, real *dvv, void *user_data);
1805 status_t message_cb(message_t *msg, void *user_data);
1806 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1808 //=============================================================================
1812 //=============================================================================
1814 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1816 // Fix problem with locales
1817 Kernel_Utils::Localizer aLocalizer;
1819 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1821 bool viscousLayersMade =
1822 ( aShape.ShapeType() == TopAbs_FACE &&
1823 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1825 if ( !viscousLayersMade )
1826 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1829 if ( _haveViscousLayers || viscousLayersMade )
1831 // Compute viscous layers
1833 TopTools_MapOfShape map;
1834 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1836 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1837 if ( !map.Add( F )) continue;
1838 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1840 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1842 // Compute MG-CADSurf mesh on viscous layers
1844 if ( viscousMesh->NbProxySubMeshes() > 0 )
1847 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1848 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1850 tmpMesh.FillInOrigMesh( aMesh, F );
1854 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1856 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1858 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1859 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1860 if ( fSM->IsMeshComputed() ) continue;
1862 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1870 //=============================================================================
1874 //=============================================================================
1876 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1877 const TopoDS_Shape& aShape,
1878 bool allowSubMeshClearing)
1880 /* create a distene context (generic object) */
1881 status_t status = STATUS_ERROR;
1883 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1884 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1885 myHelper = theHelper = & helperWithShape;
1886 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1887 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1888 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1889 bool quadraticSubMeshAndViscousLayer = false;
1890 bool needMerge = false;
1891 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1892 TSubMeshSet edgeSubmeshes;
1893 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1895 TopTools_IndexedMapOfShape pmap, emap, fmap;
1897 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1899 feclearexcept( FE_ALL_EXCEPT );
1900 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1903 context_t *ctx = context_new();
1905 /* Set the message callback in the working context */
1906 message_cb_user_data mcud;
1907 mcud._error = & this->SMESH_Algo::_comment;
1908 mcud._progress = & this->SMESH_Algo::_progress;
1910 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1911 context_set_message_callback(ctx, message_cb, &mcud);
1913 /* set the interruption callback */
1914 _compute_canceled = false;
1915 context_set_interrupt_callback(ctx, interrupt_cb, this);
1917 /* create the CAD object we will work on. It is associated to the context ctx. */
1918 cad_t *c = cad_new(ctx);
1919 dcad_t *dcad = dcad_new(c);
1921 // To enable multithreading
1922 cad_set_thread_safety(c, 1);
1924 /* Now fill the CAD object with data from your CAD
1925 * environement. This is the most complex part of a successfull
1931 cadsurf_session_t *css = cadsurf_session_new(ctx);
1933 // an object that correctly deletes all cadsurf objects at destruction
1934 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1936 SetParameters(_hypothesis, css, aShape);
1938 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1939 helper.SetIsQuadratic( haveQuadraticSubMesh );
1941 // To remove as soon as quadratic mesh is allowed - BEGIN
1942 // GDD: Viscous layer is not allowed with quadratic mesh
1943 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1944 quadraticSubMeshAndViscousLayer = true;
1945 _haveViscousLayers = !haveQuadraticSubMesh;
1946 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1947 error(COMPERR_WARNING, _comment);
1949 // To remove as soon as quadratic mesh is allowed - END
1951 // needed to prevent the opencascade memory managmement from freeing things
1952 vector<Handle(Geom2d_Curve)> curves;
1953 vector<Handle(Geom_Surface)> surfaces;
1957 FaceId2PythonSmp.clear();
1958 EdgeId2PythonSmp.clear();
1959 VertexId2PythonSmp.clear();
1961 /****************************************************************************************
1963 *****************************************************************************************/
1965 string bad_end = "return";
1967 TopTools_IndexedMapOfShape _map;
1968 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
1969 int ienf = _map.Extent();
1971 assert(Py_IsInitialized());
1972 PyGILState_STATE gstate;
1974 string theSizeMapStr;
1976 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1978 TopoDS_Face f = TopoDS::Face(face_iter.Current());
1980 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
1981 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
1983 // make INTERNAL face oriented FORWARD (issue 0020993)
1984 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
1985 f.Orientation(TopAbs_FORWARD);
1987 iface = fmap.Add(f);
1989 surfaces.push_back(BRep_Tool::Surface(f));
1991 /* create an object representing the face for cadsurf */
1992 /* where face_id is an integer identifying the face.
1993 * surf_function is the function that defines the surface
1994 * (For this face, it will be called by cadsurf with your_face_object_ptr
1995 * as last parameter.
1997 #if OCC_VERSION_MAJOR < 7
1998 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
2000 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2003 /* by default a face has no tag (color).
2004 The following call sets it to the same value as the Geom module ID : */
2005 int faceTag = meshDS->ShapeToIndex(f);
2006 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2007 cad_face_set_tag(fce, faceTag);
2009 /* Set face orientation (optional if you want a well oriented output mesh)*/
2010 if(f.Orientation() != TopAbs_FORWARD)
2011 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2013 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2015 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2017 // -----------------
2019 // -----------------
2020 faceKey = FacesWithSizeMap.FindIndex(f);
2023 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2025 theSizeMapStr = FaceId2SizeMap[faceKey];
2026 // check if function ends with "return"
2027 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2029 // Expr To Python function, verification is performed at validation in GUI
2030 gstate = PyGILState_Ensure();
2031 PyObject * obj = NULL;
2032 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2034 PyObject * func = NULL;
2035 func = PyObject_GetAttrString(main_mod, "f");
2036 FaceId2PythonSmp[iface]=func;
2037 FaceId2SizeMap.erase(faceKey);
2038 PyGILState_Release(gstate);
2041 // Specific size map = Attractor
2042 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2044 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2045 if (attractor_iter->first == faceKey)
2047 double xyzCoords[3] = {attractor_iter->second[2],
2048 attractor_iter->second[3],
2049 attractor_iter->second[4]};
2051 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2052 BRepClass_FaceClassifier scl(f,P,1e-7);
2053 scl.Perform(f, P, 1e-7);
2054 TopAbs_State result = scl.State();
2055 if ( result == TopAbs_OUT )
2056 MESSAGE("Point is out of face: node is not created");
2057 if ( result == TopAbs_UNKNOWN )
2058 MESSAGE("Point position on face is unknown: node is not created");
2059 if ( result == TopAbs_ON )
2060 MESSAGE("Point is on border of face: node is not created");
2061 if ( result == TopAbs_IN )
2063 // Point is inside face and not on border
2064 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2066 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2067 cad_point_set_tag(point_p, ienf);
2069 FaceId2AttractorCoords.erase(faceKey);
2073 // -----------------
2075 // -----------------
2076 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2077 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2078 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2079 for ( size_t i = 0; i < attVec.size(); ++i )
2080 if ( !attVec[i]->IsMapBuilt() ) {
2081 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2082 attVec[i]->BuildMap();
2084 FaceIndex2ClassAttractor[iface].swap( attVec );
2085 FaceId2ClassAttractor.erase(clAttractor_iter);
2087 } // if (HasSizeMapOnFace && !use_precad)
2089 // ------------------
2090 // Enforced Vertices
2091 // ------------------
2092 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2093 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2094 if (evmIt != FaceId2EnforcedVertexCoords.end())
2096 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2097 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2098 for (; evlIt != evl.end(); ++evlIt)
2100 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2102 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2104 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2105 xyzCoords.push_back(evlIt->at(2));
2106 xyzCoords.push_back(evlIt->at(3));
2107 xyzCoords.push_back(evlIt->at(4));
2108 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2109 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2110 !enfCoordsIt->second.empty() )
2112 // to merge nodes of an INTERNAL vertex belonging to several faces
2113 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2114 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2115 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2117 tag = pmap.Add( v );
2118 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2119 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2120 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2121 // //if ( tag != pmap.Extent() )
2122 // needMerge = true;
2125 if ( tag == 0 ) tag = ienf;
2126 cad_point_set_tag(point_p, tag);
2128 FaceId2EnforcedVertexCoords.erase(faceKey);
2132 /****************************************************************************************
2134 now create the edges associated to this face
2135 *****************************************************************************************/
2137 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2139 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2140 int ic = emap.FindIndex(e);
2145 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2147 if (HasSizeMapOnEdge){
2148 edgeKey = EdgesWithSizeMap.FindIndex(e);
2149 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2151 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2152 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2154 // Expr To Python function, verification is performed at validation in GUI
2155 gstate = PyGILState_Ensure();
2156 PyObject * obj = NULL;
2157 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2159 PyObject * func = NULL;
2160 func = PyObject_GetAttrString(main_mod, "f");
2161 EdgeId2PythonSmp[ic]=func;
2162 EdgeId2SizeMap.erase(edgeKey);
2163 PyGILState_Release(gstate);
2166 /* data of nodes existing on the edge */
2167 StdMeshers_FaceSidePtr nodeData;
2168 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2169 if ( !sm->IsEmpty() )
2171 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2172 // /*complexFirst=*/false);
2173 // while ( subsmIt->more() )
2174 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2175 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2177 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2178 /*ignoreMedium=*/haveQuadraticSubMesh));
2179 if ( nodeData->MissVertexNode() )
2180 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2182 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2183 if ( !nodeDataVec.empty() )
2185 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2187 nodeData->Reverse();
2188 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2190 // tmin and tmax can change in case of viscous layer on an adjacent edge
2191 tmin = nodeDataVec.front().param;
2192 tmax = nodeDataVec.back().param;
2196 cout << "---------------- Invalid nodeData" << endl;
2201 /* attach the edge to the current cadsurf face */
2202 #if OCC_VERSION_MAJOR < 7
2203 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
2205 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2208 /* by default an edge has no tag (color).
2209 The following call sets it to the same value as the edge_id : */
2210 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2211 bool isInHyperPatch = false;
2213 std::set< int > faceTags;
2214 PShapeIteratorPtr faceIf = helper.GetAncestors( e, aMesh, TopAbs_FACE );
2215 while ( const TopoDS_Shape* face = faceIf->next() )
2216 if ( helper.IsSubShape( *face, aShape ))
2218 int faceTag = meshDS->ShapeToIndex( *face );
2219 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2220 if ( !faceTags.insert( hpTag ).second )
2222 isInHyperPatch = true;
2227 if ( !isInHyperPatch )
2228 cad_edge_set_tag(edg, ic);
2230 /* by default, an edge does not necessalry appear in the resulting mesh,
2231 unless the following property is set :
2233 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2235 /* by default an edge is a boundary edge */
2236 if (e.Orientation() == TopAbs_INTERNAL)
2237 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2239 // pass existing nodes of sub-meshes to MG-CADSurf
2242 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2243 const int nbNodes = nodeDataVec.size();
2245 dcad_edge_discretization_t *dedge;
2246 dcad_get_edge_discretization(dcad, edg, &dedge);
2247 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2249 // cout << endl << " EDGE " << ic << endl;
2250 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2251 for ( int iN = 0; iN < nbNodes; ++iN )
2253 const UVPtStruct& nData = nodeDataVec[ iN ];
2254 double t = nData.param;
2255 real uv[2] = { nData.u, nData.v };
2256 SMESH_TNodeXYZ nXYZ( nData.node );
2257 // cout << "\tt = " << t
2258 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2259 // << "\t u = " << nData.param
2260 // << "\t ID = " << nData.node->GetID() << endl;
2261 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ._xyz );
2263 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2266 /****************************************************************************************
2268 *****************************************************************************************/
2272 gp_Pnt2d e0 = curves.back()->Value(tmin);
2273 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2274 Standard_Real d1=0,d2=0;
2277 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2278 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2282 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2285 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2287 *ip = pmap.FindIndex(v);
2290 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2291 // if ( sm->IsMeshComputed() )
2292 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2295 // std::string aFileName = "fmap_vertex_";
2296 // aFileName.append(val_to_string(*ip));
2297 // aFileName.append(".brep");
2298 // BRepTools::Write(v,aFileName.c_str());
2300 if (HasSizeMapOnVertex){
2301 vertexKey = VerticesWithSizeMap.FindIndex(v);
2302 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2303 theSizeMapStr = VertexId2SizeMap[vertexKey];
2304 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2306 // Expr To Python function, verification is performed at validation in GUI
2307 gstate = PyGILState_Ensure();
2308 PyObject * obj = NULL;
2309 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2311 PyObject * func = NULL;
2312 func = PyObject_GetAttrString(main_mod, "f");
2313 VertexId2PythonSmp[*ip]=func;
2314 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2315 PyGILState_Release(gstate);
2320 // should not happen
2321 MESSAGE("An edge does not have 2 extremities.");
2324 // This defines the curves extremity connectivity
2325 cad_edge_set_extremities(edg, ip1, ip2);
2326 /* set the tag (color) to the same value as the extremity id : */
2327 cad_edge_set_extremities_tag(edg, ip1, ip2);
2330 cad_edge_set_extremities(edg, ip2, ip1);
2331 cad_edge_set_extremities_tag(edg, ip2, ip1);
2337 // Clear mesh from already meshed edges if possible else
2338 // remember that merge is needed
2339 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2340 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2342 SMESHDS_SubMesh* smDS = *smIt;
2343 if ( !smDS ) continue;
2344 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2347 const SMDS_MeshNode* n = nIt->next();
2348 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2350 needMerge = true; // to correctly sew with viscous mesh
2351 // add existing medium nodes to helper
2352 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2354 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2355 while ( edgeIt->more() )
2356 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2361 if ( allowSubMeshClearing )
2363 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2364 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2365 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2366 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2375 ///////////////////////
2377 ///////////////////////
2379 if (! _preCadFacesIDsPeriodicityVector.empty())
2381 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2382 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2383 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2384 int* theFace1_ids_c = &theFace1_ids[0];
2385 int* theFace2_ids_c = &theFace2_ids[0];
2386 std::ostringstream o;
2387 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2388 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2389 o << theFace1_ids[j] << ", ";
2391 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2392 o << theFace2_ids[j] << ", ";
2394 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2396 // If no source points, call peridoicity without transformation function
2397 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2398 status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2399 theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2400 if(status != STATUS_OK)
2401 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2405 // get the transformation vertices
2406 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2407 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2408 int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2409 int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2411 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2412 theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2413 if(status != STATUS_OK)
2414 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2419 if (! _preCadEdgesIDsPeriodicityVector.empty())
2421 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2422 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2423 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2424 // Use the address of the first element of the vector to initialise the array
2425 int* theEdge1_ids_c = &theEdge1_ids[0];
2426 int* theEdge2_ids_c = &theEdge2_ids[0];
2428 std::ostringstream o;
2429 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2430 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2431 o << theEdge1_ids[j] << ", ";
2433 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2434 o << theEdge2_ids[j] << ", ";
2437 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2439 // If no source points, call peridoicity without transformation function
2440 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2441 status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2442 theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2443 if(status != STATUS_OK)
2444 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2448 // get the transformation vertices
2449 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2450 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2451 int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2452 int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2454 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2455 theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2456 if(status != STATUS_OK)
2457 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2463 // TODO: be able to use a mesh in input.
2464 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2465 // => cadsurf_set_mesh
2467 // Use the original dcad
2468 cadsurf_set_dcad(css, dcad);
2470 // Use the original cad
2471 cadsurf_set_cad(css, c);
2473 std::cout << std::endl;
2474 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2475 std::cout << std::endl;
2480 status = cadsurf_compute_mesh(css);
2483 catch ( std::exception& exc ) {
2484 _comment += exc.what();
2486 catch (Standard_Failure& ex) {
2487 _comment += ex.DynamicType()->Name();
2488 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2490 _comment += ex.GetMessageString();
2494 if ( _comment.empty() )
2495 _comment = "Exception in cadsurf_compute_mesh()";
2498 std::cout << std::endl;
2499 std::cout << "End of Surface Mesh generation" << std::endl;
2500 std::cout << std::endl;
2503 cadsurf_get_mesh(css, &msh);
2505 /* release the mesh object */
2506 cadsurf_regain_mesh(css, msh);
2507 return error(_comment);
2510 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2512 GMFFileName = _hypothesis->GetGMFFile();
2513 if (GMFFileName != "") {
2514 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2515 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2516 if (!asciiFound && !binaryFound)
2517 GMFFileName.append(".mesh");
2518 mesh_write_mesh(msh, GMFFileName.c_str());
2521 /* retrieve mesh data (see meshgems/mesh.h) */
2522 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2523 integer *evedg, *evtri, *evquad, *tags_buff, type;
2526 mesh_get_vertex_count(msh, &nv);
2527 mesh_get_edge_count(msh, &ne);
2528 mesh_get_triangle_count(msh, &nt);
2529 mesh_get_quadrangle_count(msh, &nq);
2531 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2532 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2533 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2534 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2536 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2537 std::vector<bool> tags(nv+1);
2539 /* enumerated vertices */
2540 for(int iv=1;iv<=nv;iv++) {
2541 mesh_get_vertex_coordinates(msh, iv, xyz);
2542 mesh_get_vertex_tag(msh, iv, &tag);
2543 // Issue 0020656. Use vertex coordinates
2545 if ( tag > 0 && tag <= pmap.Extent() ) {
2546 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2547 double tol = BRep_Tool::Tolerance( v );
2548 gp_Pnt p = BRep_Tool::Pnt( v );
2549 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2550 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2552 tag = 0; // enforced or attracted vertex
2553 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2556 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2558 // Create group of enforced vertices if requested
2559 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2561 projVertex.push_back((double)xyz[0]);
2562 projVertex.push_back((double)xyz[1]);
2563 projVertex.push_back((double)xyz[2]);
2564 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2565 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2567 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2568 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2569 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2570 currentEnfVertex = (*enfListIt);
2571 if (currentEnfVertex->grpName != "") {
2572 bool groupDone = false;
2573 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2574 while (grIt->more()) {
2575 SMESH_Group * group = grIt->next();
2576 if ( !group ) continue;
2577 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2578 if ( !groupDS ) continue;
2579 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2580 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2581 aGroupDS->SMDSGroup().Add(nodes[iv]);
2582 // How can I inform the hypothesis ?
2583 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2591 SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2592 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2593 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2594 aGroupDS->SMDSGroup().Add(nodes[iv]);
2598 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2601 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2605 // internal points are tagged to zero
2606 if(tag > 0 && tag <= pmap.Extent() ){
2607 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2614 /* enumerate edges */
2615 for(int it=1;it<=ne;it++) {
2617 mesh_get_edge_vertices(msh, it, vtx);
2618 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2619 mesh_get_edge_tag(msh, it, &tag);
2621 // If PreCAD performed some cleaning operations (remove tiny edges,
2622 // merge edges ...) an output tag can indeed represent several original tags.
2623 // Get the initial tags corresponding to the output tag and redefine the tag as
2624 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2625 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2627 tag=tags_buff[nb_tag-1];
2628 if ( tag < 1 || tag > emap.Extent() )
2630 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2631 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2635 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2636 tags[vtx[0]] = false;
2639 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2640 tags[vtx[1]] = false;
2642 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2644 if (tags[evedg[0]]) {
2645 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2646 tags[evedg[0]] = false;
2648 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2651 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2653 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2656 /* enumerate triangles */
2657 for(int it=1;it<=nt;it++) {
2659 mesh_get_triangle_vertices(msh, it, vtx);
2660 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2661 mesh_get_triangle_tag(msh, it, &tag);
2663 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2664 tags[vtx[0]] = false;
2667 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2668 tags[vtx[1]] = false;
2671 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2672 tags[vtx[2]] = false;
2674 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2675 // QUADRATIC TRIANGLE
2676 if (tags[evtri[0]]) {
2677 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2678 tags[evtri[0]] = false;
2680 if (tags[evtri[1]]) {
2681 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2682 tags[evtri[1]] = false;
2684 if (tags[evtri[2]]) {
2685 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2686 tags[evtri[2]] = false;
2688 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2689 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2692 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2694 meshDS->SetMeshElementOnShape(tri, tag);
2697 /* enumerate quadrangles */
2698 for(int it=1;it<=nq;it++) {
2699 SMDS_MeshFace* quad;
2700 mesh_get_quadrangle_vertices(msh, it, vtx);
2701 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2702 mesh_get_quadrangle_tag(msh, it, &tag);
2704 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2705 tags[vtx[0]] = false;
2708 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2709 tags[vtx[1]] = false;
2712 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2713 tags[vtx[2]] = false;
2716 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2717 tags[vtx[3]] = false;
2719 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2720 // QUADRATIC QUADRANGLE
2721 std::cout << "This is a quadratic quadrangle" << std::endl;
2722 if (tags[evquad[0]]) {
2723 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2724 tags[evquad[0]] = false;
2726 if (tags[evquad[1]]) {
2727 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2728 tags[evquad[1]] = false;
2730 if (tags[evquad[2]]) {
2731 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2732 tags[evquad[2]] = false;
2734 if (tags[evquad[3]]) {
2735 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2736 tags[evquad[3]] = false;
2738 if (tags[evquad[4]]) {
2739 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2740 tags[evquad[4]] = false;
2742 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2743 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2747 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2749 meshDS->SetMeshElementOnShape(quad, tag);
2752 /* release the mesh object, the rest is released by cleaner */
2753 cadsurf_regain_mesh(css, msh);
2756 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2757 for(int iv=1;iv<=nv;iv++)
2758 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2759 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2762 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2764 SMESH_MeshEditor editor( &aMesh );
2765 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2766 TIDSortedElemSet segementsOnEdge;
2767 TSubMeshSet::iterator smIt;
2768 SMESHDS_SubMesh* smDS;
2770 // merge nodes on EDGE's with ones computed by MG-CADSurf
2771 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2773 if (! (smDS = *smIt) ) continue;
2774 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2776 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2777 while ( segIt->more() )
2778 segementsOnEdge.insert( segIt->next() );
2781 editor.MergeNodes( nodeGroupsToMerge );
2784 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2785 editor.FindEqualElements( segementsOnEdge, equalSegments );
2786 editor.MergeElements( equalSegments );
2788 // remove excess segments created on the boundary of viscous layers
2789 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2790 for ( int i = 1; i <= emap.Extent(); ++i )
2792 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2794 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2795 while ( segIt->more() )
2797 const SMDS_MeshElement* seg = segIt->next();
2798 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2799 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2800 meshDS->RemoveFreeElement( seg, smDS );
2807 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2808 for (int i = 1; i <= emap.Extent(); i++)
2809 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2810 sm->SetIsAlwaysComputed( true );
2811 for (int i = 1; i <= pmap.Extent(); i++)
2812 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2813 if ( !sm->IsMeshComputed() )
2814 sm->SetIsAlwaysComputed( true );
2816 // Set error to FACE's w/o elements
2817 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2818 if ( _comment.empty() && status == STATUS_OK )
2820 err = COMPERR_WARNING;
2821 _comment = "No mesh elements assigned to a face";
2823 bool badFaceFound = false;
2824 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2826 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2827 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2828 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2830 int faceTag = sm->GetId();
2831 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2833 // triangles are assigned to the first face of hyper-patch
2834 sm->SetIsAlwaysComputed( true );
2838 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2839 badFaceFound = true;
2843 if ( err == COMPERR_WARNING )
2847 if ( status != STATUS_OK && !badFaceFound ) {
2851 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2853 if ( oldFEFlags > 0 )
2854 feenableexcept( oldFEFlags );
2855 feclearexcept( FE_ALL_EXCEPT );
2859 std::cout << "FacesWithSizeMap" << std::endl;
2860 FacesWithSizeMap.Statistics(std::cout);
2861 std::cout << "EdgesWithSizeMap" << std::endl;
2862 EdgesWithSizeMap.Statistics(std::cout);
2863 std::cout << "VerticesWithSizeMap" << std::endl;
2864 VerticesWithSizeMap.Statistics(std::cout);
2865 std::cout << "FacesWithEnforcedVertices" << std::endl;
2866 FacesWithEnforcedVertices.Statistics(std::cout);
2869 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2872 //================================================================================
2874 * \brief Compute a mesh basing on discrete CAD description
2876 //================================================================================
2878 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2880 if ( aMesh.NbFaces() == 0 )
2881 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2883 context_t *ctx = context_new();
2884 if (!ctx) return error("Pb in context_new()");
2886 BLSURF_Cleaner cleaner( ctx );
2888 message_cb_user_data mcud;
2889 mcud._error = & this->SMESH_Algo::_comment;
2890 mcud._progress = & this->SMESH_Algo::_progress;
2892 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
2893 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
2894 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
2896 cadsurf_session_t * css = cadsurf_session_new(ctx);
2897 if(!css) return error( "Pb. in cadsurf_session_new() " );
2901 // Fill an input mesh
2903 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
2904 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
2906 // mark nodes used by 2D elements
2907 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
2908 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
2909 while ( nodeIt->more() )
2911 const SMDS_MeshNode* n = nodeIt->next();
2912 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
2914 meshgems_mesh_set_vertex_count( msh, meshDS->NbNodes() );
2916 // set node coordinates
2917 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
2919 meshDS->compactMesh();
2921 SMESH_TNodeXYZ nXYZ;
2922 nodeIt = meshDS->nodesIterator();
2924 for ( i = 1; nodeIt->more(); ++i )
2926 nXYZ.Set( nodeIt->next() );
2927 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ._xyz );
2930 // set nodes of faces
2931 meshgems_mesh_set_triangle_count ( msh, meshDS->GetMeshInfo().NbTriangles() );
2932 meshgems_mesh_set_quadrangle_count( msh, meshDS->GetMeshInfo().NbQuadrangles() );
2933 meshgems_integer nodeIDs[4];
2934 meshgems_integer iT = 1, iQ = 1;
2935 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
2936 while ( faceIt->more() )
2938 const SMDS_MeshElement* face = faceIt->next();
2939 meshgems_integer nbNodes = face->NbCornerNodes();
2940 if ( nbNodes > 4 || face->IsPoly() ) continue;
2942 for ( i = 0; i < nbNodes; ++i )
2943 nodeIDs[i] = face->GetNode( i )->GetID();
2945 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
2947 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
2950 ret = cadsurf_set_mesh(css, msh);
2951 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
2956 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
2958 ret = cadsurf_compute_mesh(css);
2959 if ( ret != STATUS_OK ) return false;
2962 cadsurf_get_mesh(css, &omsh);
2963 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
2966 // Update SALOME mesh
2968 // remove quadrangles and triangles
2969 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
2971 const SMDS_MeshElement* face = faceIt->next();
2972 if ( !face->IsPoly() )
2973 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
2975 // remove edges that bound the just removed faces
2976 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
2978 const SMDS_MeshElement* edge = edgeIt->next();
2979 const SMDS_MeshNode* n0 = edge->GetNode(0);
2980 const SMDS_MeshNode* n1 = edge->GetNode(1);
2981 if ( n0->isMarked() &&
2983 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
2984 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
2985 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
2987 // remove nodes that just became free
2988 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
2990 const SMDS_MeshNode* n = nodeIt->next();
2991 if ( n->isMarked() && n->NbInverseElements() == 0 )
2992 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
2996 meshgems_integer nbvtx = 0, nodeID;
2997 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
2998 meshgems_real xyz[3];
2999 for ( i = 1; i <= nbvtx; ++i )
3001 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3002 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3003 nodeID = n->GetID();
3004 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3008 meshgems_integer nbtri = 0;
3009 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3010 const SMDS_MeshNode* nodes[3];
3011 for ( i = 1; i <= nbtri; ++i )
3013 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3014 for ( int j = 0; j < 3; ++j )
3016 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3017 nodes[j] = meshDS->FindNode( nodeID );
3019 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3022 cadsurf_regain_mesh(css, omsh);
3024 // as we don't assign the new triangles to a shape (the pseudo-shape),
3025 // we mark the shape as always computed to avoid the error messages
3026 // that no elements assigned to the shape
3027 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3032 //================================================================================
3034 * \brief Terminates computation
3036 //================================================================================
3038 void BLSURFPlugin_BLSURF::CancelCompute()
3040 _compute_canceled = true;
3043 //=============================================================================
3047 //=============================================================================
3049 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3050 const SMDS_MeshNode* node,
3051 const TopoDS_Shape& ed)
3053 const TopoDS_Edge edge = TopoDS::Edge(ed);
3055 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3057 Standard_Real p0 = 0.0;
3058 Standard_Real p1 = 1.0;
3059 TopLoc_Location loc;
3060 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3061 if ( curve.IsNull() )
3063 // issue 22499. Node at a sphere apex
3064 meshDS->SetNodeOnEdge(node, edge, p0);
3068 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3069 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3072 if ( proj.NbPoints() > 0 )
3074 pa = (double)proj.LowerDistanceParameter();
3075 // Issue 0020656. Move node if it is too far from edge
3076 gp_Pnt curve_pnt = curve->Value( pa );
3077 double dist2 = pnt.SquareDistance( curve_pnt );
3078 double tol = BRep_Tool::Tolerance( edge );
3079 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3081 curve_pnt.Transform( loc );
3082 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3086 meshDS->SetNodeOnEdge(node, edge, pa);
3089 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3091 * NOTE : if when your CAD systems evaluates second
3092 * order derivatives it also computes first order derivatives and
3093 * function evaluation, you can optimize this example by making only
3094 * one CAD call and filling the necessary uv, dt, dtt arrays.
3096 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3098 /* t is given. It contains the t (time) 1D parametric coordintaes
3099 of the point PreCAD/MG-CADSurf is querying on the curve */
3101 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
3102 * (see cad_edge_new later in this example) */
3103 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3106 /* MG-CADSurf is querying the function evaluation */
3109 uv[0]=P.X(); uv[1]=P.Y();
3113 /* query for the first order derivatives */
3116 dt[0]=V1.X(); dt[1]=V1.Y();
3120 /* query for the second order derivatives */
3123 dtt[0]=V2.X(); dtt[1]=V2.Y();
3129 /* Surface definition function.
3130 * See cad_surf_t in file meshgems/cad.h for more information.
3131 * NOTE : if when your CAD systems evaluates second order derivatives it also
3132 * computes first order derivatives and function evaluation, you can optimize
3133 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3136 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3137 real *duu, real *duv, real *dvv, void *user_data)
3139 /* uv[2] is given. It contains the u,v coordinates of the point
3140 * PreCAD/MG-CADSurf is querying on the surface */
3142 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3143 * cad_face_new later in this example)*/
3144 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3148 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3149 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3156 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3157 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3158 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3161 if(duu && duv && dvv){
3165 gp_Vec D2U,D2V,D2UV;
3167 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3168 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3169 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3170 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3177 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3179 TId2ClsAttractorVec::iterator f2attVec;
3180 if (FaceId2PythonSmp.count(face_id) != 0){
3181 assert(Py_IsInitialized());
3182 PyGILState_STATE gstate;
3183 gstate = PyGILState_Ensure();
3184 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3186 if ( pyresult != NULL) {
3187 result = PyFloat_AsDouble(pyresult);
3188 Py_DECREF(pyresult);
3193 string err_description="";
3194 PyObject* new_stderr = newPyStdOut(err_description);
3195 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3196 Py_INCREF(old_stderr);
3197 PySys_SetObject((char*)"stderr", new_stderr);
3199 PySys_SetObject((char*)"stderr", old_stderr);
3200 Py_DECREF(new_stderr);
3201 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3202 result = *((real*)user_data);
3205 PyGILState_Release(gstate);
3207 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3211 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3212 for ( size_t i = 0; i < attVec.size(); ++i )
3214 //result += attVec[i]->GetSize(uv[0],uv[1]);
3215 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3217 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3221 *size = *((real*)user_data);
3223 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3227 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3229 if (EdgeId2PythonSmp.count(edge_id) != 0){
3230 assert(Py_IsInitialized());
3231 PyGILState_STATE gstate;
3232 gstate = PyGILState_Ensure();
3233 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3235 if ( pyresult != NULL) {
3236 result = PyFloat_AsDouble(pyresult);
3237 Py_DECREF(pyresult);
3242 string err_description="";
3243 PyObject* new_stderr = newPyStdOut(err_description);
3244 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3245 Py_INCREF(old_stderr);
3246 PySys_SetObject((char*)"stderr", new_stderr);
3248 PySys_SetObject((char*)"stderr", old_stderr);
3249 Py_DECREF(new_stderr);
3250 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3251 result = *((real*)user_data);
3254 PyGILState_Release(gstate);
3257 *size = *((real*)user_data);
3262 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3264 if (VertexId2PythonSmp.count(point_id) != 0){
3265 assert(Py_IsInitialized());
3266 PyGILState_STATE gstate;
3267 gstate = PyGILState_Ensure();
3268 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3270 if ( pyresult != NULL) {
3271 result = PyFloat_AsDouble(pyresult);
3272 Py_DECREF(pyresult);
3277 string err_description="";
3278 PyObject* new_stderr = newPyStdOut(err_description);
3279 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3280 Py_INCREF(old_stderr);
3281 PySys_SetObject((char*)"stderr", new_stderr);
3283 PySys_SetObject((char*)"stderr", old_stderr);
3284 Py_DECREF(new_stderr);
3285 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3286 result = *((real*)user_data);
3289 PyGILState_Release(gstate);
3292 *size = *((real*)user_data);
3298 * The following function will be called for PreCAD/MG-CADSurf message
3299 * printing. See context_set_message_callback (later in this
3300 * template) for how to set user_data.
3302 status_t message_cb(message_t *msg, void *user_data)
3304 integer errnumber = 0;
3306 message_get_number(msg, &errnumber);
3307 message_get_description(msg, &desc);
3309 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3310 // Get all the error message and some warning messages related to license and periodicity
3311 if ( errnumber < 0 ||
3312 err.find("license" ) != string::npos ||
3313 err.find("periodicity") != string::npos )
3315 // remove ^A from the tail
3316 int len = strlen( desc );
3317 while (len > 0 && desc[len-1] != '\n')
3319 mcud->_error->append( desc, len );
3322 if ( errnumber == 3009001 )
3323 * mcud->_progress = atof( desc + 11 ) / 100.;
3324 if ( mcud->_verbosity > 0 )
3325 std::cout << desc << std::endl;
3330 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3331 * function regularily. See the file meshgems/interrupt.h
3333 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3335 integer you_want_to_continue = 1;
3336 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3337 you_want_to_continue = !tmp->computeCanceled();
3339 if(you_want_to_continue)
3341 *interrupt_status = INTERRUPT_CONTINUE;
3344 else /* you want to stop MG-CADSurf */
3346 *interrupt_status = INTERRUPT_STOP;
3347 return STATUS_ERROR;
3351 //=============================================================================
3355 //=============================================================================
3356 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3357 const TopoDS_Shape& aShape,
3358 MapShapeNbElems& aResMap)
3360 double diagonal = aMesh.GetShapeDiagonalSize();
3361 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3362 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3363 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3364 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3365 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3366 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3367 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
3369 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3370 _phySizeRel = _hypothesis->IsPhySizeRel();
3371 if ( _hypothesis->GetPhySize() > 0)
3372 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3373 //_geometricMesh = (int) hyp->GetGeometricMesh();
3374 if (_hypothesis->GetAngleMesh() > 0)
3375 _angleMesh = _hypothesis->GetAngleMesh();
3376 _quadAllowed = _hypothesis->GetQuadAllowed();
3378 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3379 // GetDefaultPhySize() sometimes leads to computation failure
3380 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3383 bool IsQuadratic = _quadraticMesh;
3388 TopTools_DataMapOfShapeInteger EdgesMap;
3389 double fullLen = 0.0;
3390 double fullNbSeg = 0;
3391 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3392 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3393 if( EdgesMap.IsBound(E) )
3395 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3396 double aLen = SMESH_Algo::EdgeLength(E);
3399 if(_physicalMesh==1) {
3400 nb1d = (int)( aLen/_phySize + 1 );
3405 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3406 double fullAng = 0.0;
3407 double dp = (l-f)/200;
3412 for(int j=2; j<=200; j++) {
3415 fullAng += fabs(V1.Angle(V2));
3419 nb1d = (int)( fullAng/_angleMesh + 1 );
3422 std::vector<int> aVec(SMDSEntity_Last);
3423 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3424 if( IsQuadratic > 0 ) {
3425 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3426 aVec[SMDSEntity_Quad_Edge] = nb1d;
3429 aVec[SMDSEntity_Node] = nb1d - 1;
3430 aVec[SMDSEntity_Edge] = nb1d;
3432 aResMap.insert(std::make_pair(sm,aVec));
3433 EdgesMap.Bind(E,nb1d);
3435 double ELen = fullLen/fullNbSeg;
3439 // try to evaluate as in MEFISTO
3440 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3441 TopoDS_Face F = TopoDS::Face( exp.Current() );
3442 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3444 BRepGProp::SurfaceProperties(F,G);
3445 double anArea = G.Mass();
3447 std::vector<int> nb1dVec;
3448 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3449 int nbSeg = EdgesMap.Find(exp1.Current());
3451 nb1dVec.push_back( nbSeg );
3454 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3455 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3458 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3460 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3462 nbNodes = (n1 + 1) * (n2 + 1);
3467 nbTria = nbQuad = nbTria / 3 + 1;
3470 std::vector<int> aVec(SMDSEntity_Last,0);
3472 int nb1d_in = (nbTria*3 - nb1d) / 2;
3473 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3474 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3475 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3478 aVec[SMDSEntity_Node] = nbNodes;
3479 aVec[SMDSEntity_Triangle] = nbTria;
3480 aVec[SMDSEntity_Quadrangle] = nbQuad;
3482 aResMap.insert(std::make_pair(sm,aVec));
3489 BRepGProp::VolumeProperties(aShape,G);
3490 double aVolume = G.Mass();
3491 double tetrVol = 0.1179*ELen*ELen*ELen;
3492 int nbVols = int(aVolume/tetrVol);
3493 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3494 std::vector<int> aVec(SMDSEntity_Last);
3495 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3497 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3498 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3501 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3502 aVec[SMDSEntity_Tetra] = nbVols;
3504 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3505 aResMap.insert(std::make_pair(sm,aVec));