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_MakeVertex.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 <GeomAPI_ProjectPointOnCurve.hxx>
72 #include <GeomAPI_ProjectPointOnSurf.hxx>
73 #include <Geom_Curve.hxx>
74 #include <Geom_Surface.hxx>
75 #include <NCollection_Map.hxx>
76 #include <Standard_ErrorHandler.hxx>
78 #include <TopExp_Explorer.hxx>
79 #include <TopTools_DataMapOfShapeInteger.hxx>
80 #include <TopTools_IndexedMapOfShape.hxx>
81 #include <TopTools_MapOfShape.hxx>
83 #include <TopoDS_Compound.hxx>
84 #include <TopoDS_Edge.hxx>
85 #include <TopoDS_Face.hxx>
86 #include <TopoDS_Shape.hxx>
87 #include <TopoDS_Vertex.hxx>
88 #include <TopoDS_Wire.hxx>
90 #include <gp_Pnt2d.hxx>
100 /* ==================================
101 * =========== PYTHON ==============
102 * ==================================*/
113 PyStdOut_dealloc(PyStdOut *self)
119 PyStdOut_write(PyStdOut *self, PyObject *args)
123 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
126 *(self->out)=*(self->out)+c;
132 static PyMethodDef PyStdOut_methods[] = {
133 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
134 PyDoc_STR("write(string) -> None")},
135 {NULL, NULL} /* sentinel */
138 static PyMemberDef PyStdOut_memberlist[] = {
139 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
140 (char*)"flag indicating that a space needs to be printed; used by print"},
141 {NULL} /* Sentinel */
144 static PyTypeObject PyStdOut_Type = {
145 /* The ob_type field must be initialized in the module init function
146 * to be portable to Windows without using C++. */
147 PyObject_HEAD_INIT(NULL)
150 sizeof(PyStdOut), /*tp_basicsize*/
153 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
160 0, /*tp_as_sequence*/
165 PyObject_GenericGetAttr, /*tp_getattro*/
166 /* softspace is writable: we must supply tp_setattro */
167 PyObject_GenericSetAttr, /* tp_setattro */
169 Py_TPFLAGS_DEFAULT, /*tp_flags*/
173 0, /*tp_richcompare*/
174 0, /*tp_weaklistoffset*/
177 PyStdOut_methods, /*tp_methods*/
178 PyStdOut_memberlist, /*tp_members*/
192 PyObject * newPyStdOut( std::string& out )
194 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
199 return (PyObject*)self;
204 ////////////////////////END PYTHON///////////////////////////
206 //////////////////MY MAPS////////////////////////////////////////
208 TopTools_IndexedMapOfShape FacesWithSizeMap;
209 std::map<int,string> FaceId2SizeMap;
210 TopTools_IndexedMapOfShape EdgesWithSizeMap;
211 std::map<int,string> EdgeId2SizeMap;
212 TopTools_IndexedMapOfShape VerticesWithSizeMap;
213 std::map<int,string> VertexId2SizeMap;
215 std::map<int,PyObject*> FaceId2PythonSmp;
216 std::map<int,PyObject*> EdgeId2PythonSmp;
217 std::map<int,PyObject*> VertexId2PythonSmp;
219 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
220 TId2ClsAttractorVec FaceId2ClassAttractor;
221 TId2ClsAttractorVec FaceIndex2ClassAttractor;
222 std::map<int,std::vector<double> > FaceId2AttractorCoords;
225 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
226 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
227 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
228 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
230 bool HasSizeMapOnFace=false;
231 bool HasSizeMapOnEdge=false;
232 bool HasSizeMapOnVertex=false;
233 //bool HasAttractorOnFace=false;
235 //=============================================================================
239 //=============================================================================
241 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId, int studyId,
243 : SMESH_2D_Algo(hypId, studyId, gen)
245 _name = "MG-CADSurf";//"BLSURF";
246 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
247 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType());
248 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
249 _requireDiscreteBoundary = false;
250 _onlyUnaryInput = false;
252 _supportSubmeshes = true;
254 smeshGen_i = SMESH_Gen_i::GetSMESHGen();
255 CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
256 SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
259 myStudy = aStudyMgr->GetStudyByID(_studyId);
261 /* Initialize the Python interpreter */
262 assert(Py_IsInitialized());
263 PyGILState_STATE gstate;
264 gstate = PyGILState_Ensure();
267 main_mod = PyImport_AddModule("__main__");
270 main_dict = PyModule_GetDict(main_mod);
272 PyRun_SimpleString("from math import *");
273 PyGILState_Release(gstate);
275 FacesWithSizeMap.Clear();
276 FaceId2SizeMap.clear();
277 EdgesWithSizeMap.Clear();
278 EdgeId2SizeMap.clear();
279 VerticesWithSizeMap.Clear();
280 VertexId2SizeMap.clear();
281 FaceId2PythonSmp.clear();
282 EdgeId2PythonSmp.clear();
283 VertexId2PythonSmp.clear();
284 FaceId2AttractorCoords.clear();
285 FaceId2ClassAttractor.clear();
286 FaceIndex2ClassAttractor.clear();
287 FacesWithEnforcedVertices.Clear();
288 FaceId2EnforcedVertexCoords.clear();
289 EnfVertexCoords2ProjVertex.clear();
290 EnfVertexCoords2EnfVertexList.clear();
292 _compute_canceled = false;
295 //=============================================================================
299 //=============================================================================
301 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
306 //=============================================================================
310 //=============================================================================
312 bool BLSURFPlugin_BLSURF::CheckHypothesis
314 const TopoDS_Shape& aShape,
315 SMESH_Hypothesis::Hypothesis_Status& aStatus)
318 _haveViscousLayers = false;
320 list<const SMESHDS_Hypothesis*>::const_iterator itl;
321 const SMESHDS_Hypothesis* theHyp;
323 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
324 /*ignoreAuxiliary=*/false);
325 aStatus = SMESH_Hypothesis::HYP_OK;
328 return true; // can work with no hypothesis
331 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
334 string hypName = theHyp->GetName();
335 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType() )
337 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
339 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
340 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
341 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
342 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
344 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
346 if ( !_haveViscousLayers )
348 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
349 _haveViscousLayers = true;
354 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
357 return aStatus == SMESH_Hypothesis::HYP_OK;
360 //=============================================================================
362 * Pass parameters to MG-CADSurf
364 //=============================================================================
366 inline std::string val_to_string(double d)
368 std::ostringstream o;
373 inline std::string val_to_string_rel(double d)
375 std::ostringstream o;
381 inline std::string val_to_string(int i)
383 std::ostringstream o;
388 inline std::string val_to_string_rel(int i)
390 std::ostringstream o;
396 double _smp_phy_size;
397 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
398 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
399 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
405 /////////////////////////////////////////////////////////
406 projectionPoint getProjectionPoint(const TopoDS_Face& face, const gp_Pnt& point)
408 projectionPoint myPoint;
409 Handle(Geom_Surface) surface = BRep_Tool::Surface(face);
410 GeomAPI_ProjectPointOnSurf projector( point, surface );
411 if ( !projector.IsDone() || projector.NbPoints()==0 )
412 throw "getProjectionPoint: Can't project";
414 Quantity_Parameter u,v;
415 projector.LowerDistanceParameters(u,v);
416 myPoint.uv = gp_XY(u,v);
417 gp_Pnt aPnt = projector.NearestPoint();
418 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
422 /////////////////////////////////////////////////////////
424 /////////////////////////////////////////////////////////
425 double getT(const TopoDS_Edge& edge, const gp_Pnt& point)
428 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, f,l);
429 GeomAPI_ProjectPointOnCurve projector( point, curve);
430 if ( projector.NbPoints() == 0 )
432 return projector.LowerDistanceParameter();
435 /////////////////////////////////////////////////////////
436 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
439 if ( !entry.empty() )
441 GEOM::GEOM_Object_var aGeomObj;
442 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
443 if (!aSObj->_is_nil()) {
444 CORBA::Object_var obj = aSObj->GetObject();
445 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
448 if ( !aGeomObj->_is_nil() )
449 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
454 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
456 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
458 // Get the (u,v) values of the enforced vertex on the face
459 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
461 enf_coords.push_back(aPnt.X());
462 enf_coords.push_back(aPnt.Y());
463 enf_coords.push_back(aPnt.Z());
465 coords.push_back(myPoint.uv.X());
466 coords.push_back(myPoint.uv.Y());
467 coords.push_back(myPoint.xyz.X());
468 coords.push_back(myPoint.xyz.Y());
469 coords.push_back(myPoint.xyz.Z());
471 s_coords.push_back(myPoint.xyz.X());
472 s_coords.push_back(myPoint.xyz.Y());
473 s_coords.push_back(myPoint.xyz.Z());
475 // Save pair projected vertex / enf vertex
476 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
477 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
478 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
479 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
480 if (ret.second == false) {
482 (*it)->grpName = enfVertex->grpName;
486 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
487 key = FacesWithEnforcedVertices.Add(faceShape);
490 key = FacesWithEnforcedVertices.FindIndex(faceShape);
493 // If a node is already created by an attractor, do not create enforced vertex
494 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
495 bool sameAttractor = false;
496 if (attractorKey >= 0)
497 if (FaceId2AttractorCoords.count(attractorKey) > 0)
498 if (FaceId2AttractorCoords[attractorKey] == coords)
499 sameAttractor = true;
501 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
503 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
506 if (! sameAttractor) {
507 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
509 FaceId2EnforcedVertexCoords[key] = ens;
515 * \brief Find geom faces supporting given points
517 TopoDS_Shape BLSURFPlugin_BLSURF::
518 findFaces( const BLSURFPlugin_Hypothesis::TEnfVertexList& enfVertexList )
520 // get points from enfVertexList
521 vector< gp_Pnt > points;
522 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
523 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt )
525 BLSURFPlugin_Hypothesis::TEnfVertex * enfVertex = *enfVertexListIt;
526 if ( enfVertex->coords.size() >= 3 )
528 points.push_back( gp_Pnt( enfVertex->coords[0], enfVertex->coords[1], enfVertex->coords[2]));
532 TopoDS_Shape GeomShape = entryToShape( enfVertex->geomEntry );
533 if ( !GeomShape.IsNull() )
535 if ( GeomShape.ShapeType() == TopAbs_VERTEX )
536 points.push_back( BRep_Tool::Pnt( TopoDS::Vertex( GeomShape )));
538 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
539 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
540 if ( it.Value().ShapeType() == TopAbs_VERTEX )
541 points.push_back( BRep_Tool::Pnt( TopoDS::Vertex( it.Value() )));
546 TopoDS_Shape resultShape, myShape = myHelper->GetSubShape();
547 TopoDS_Compound compound;
549 for ( size_t i = 0; i <= points.size(); ++i )
551 TopoDS_Face foundFace;
552 TopTools_MapOfShape checkedFaces;
553 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
555 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
557 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
558 if ( !checkedFaces.Add( face )) continue;
560 // check distance to face
561 Handle(ShapeAnalysis_Surface) surface = myHelper->GetSurface( face );
562 gp_Pnt2d uv = surface->ValueOfUV( points[i], Precision::Confusion());
563 double distance = surface->Gap();
564 if ( distance > Precision::Confusion() )
566 // the face is far, store for future analysis
567 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
571 // check location on the face
572 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
573 if ( FC.State() == TopAbs_IN )
580 if ( foundFace.IsNull() )
582 // find the closest face
583 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
584 for ( ; d2f != dist2face.end(); ++d2f )
586 const TopoDS_Face& face = d2f->second.first;
587 const gp_Pnt2d & uv = d2f->second.second;
588 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
589 if ( FC.State() == TopAbs_IN )
596 // set the resultShape
597 if ( !foundFace.IsNull() )
599 if ( resultShape.IsNull() )
601 resultShape = foundFace;
605 BRep_Builder builder;
606 if ( compound.IsNull() )
608 builder.MakeCompound( compound );
609 resultShape = compound;
611 builder.Add( compound, foundFace );
619 /////////////////////////////////////////////////////////
620 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
622 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
625 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
627 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
628 enfVertex = *enfVertexListIt;
629 // Case of manual coords
630 if (enfVertex->coords.size() != 0) {
631 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
632 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
635 // Case of geom vertex coords
636 if (enfVertex->geomEntry != "") {
637 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
638 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
639 if (GeomType == TopAbs_VERTEX){
640 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(GeomShape));
641 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
644 if (GeomType == TopAbs_COMPOUND){
645 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
646 if (it.Value().ShapeType() == TopAbs_VERTEX){
647 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(it.Value()));
648 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
656 /////////////////////////////////////////////////////////
657 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
659 double xa, ya, za; // Coordinates of attractor point
660 double a, b; // Attractor parameter
662 bool createNode=false; // To create a node on attractor projection
664 const char *sep = ";";
665 // atIt->second has the following pattern:
666 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
668 // xa;ya;za : coordinates of attractor
669 // a : desired size on attractor
670 // b : distance of influence of attractor
671 // d : distance until which the size remains constant
673 // We search the parameters in the string
675 pos1 = AttractorFunction.find(sep);
676 if (pos1!=string::npos)
677 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
679 pos2 = AttractorFunction.find(sep, pos1+1);
680 if (pos2!=string::npos) {
681 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
685 pos2 = AttractorFunction.find(sep, pos1+1);
686 if (pos2!=string::npos) {
687 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
691 pos2 = AttractorFunction.find(sep, pos1+1);
692 if (pos2!=string::npos) {
693 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
697 pos2 = AttractorFunction.find(sep, pos1+1);
698 if (pos2!=string::npos) {
699 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
703 pos2 = AttractorFunction.find(sep, pos1+1);
704 if (pos2!=string::npos) {
705 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
706 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
710 pos2 = AttractorFunction.find(")");
711 if (pos2!=string::npos) {
712 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
715 // Get the (u,v) values of the attractor on the face
716 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
717 gp_XY uvPoint = myPoint.uv;
718 gp_XYZ xyzPoint = myPoint.xyz;
719 Standard_Real u0 = uvPoint.X();
720 Standard_Real v0 = uvPoint.Y();
721 Standard_Real x0 = xyzPoint.X();
722 Standard_Real y0 = xyzPoint.Y();
723 Standard_Real z0 = xyzPoint.Z();
724 std::vector<double> coords;
725 coords.push_back(u0);
726 coords.push_back(v0);
727 coords.push_back(x0);
728 coords.push_back(y0);
729 coords.push_back(z0);
730 // We construct the python function
731 ostringstream attractorFunctionStream;
732 attractorFunctionStream << "def f(u,v): return ";
733 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
734 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
735 // rnc: make possible to keep the size constant until
736 // a defined distance. Distance is expressed as the positiv part
737 // of r-d where r is the distance to (u0,v0)
738 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
741 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
742 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
745 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
747 FaceId2SizeMap[key] =attractorFunctionStream.str();
749 FaceId2AttractorCoords[key] = coords;
751 // // Test for new attractors
752 // gp_Pnt myP(xyzPoint);
753 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
754 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
755 // myAttractor.SetParameters(a, defaultSize, b, d);
756 // myAttractor.SetType(1);
757 // FaceId2ClassAttractor[key] = myAttractor;
758 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
762 // One sub-shape to get ids from
763 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(TopoDS_Shape theMainShape, TopoDS_Shape theSubShape,
764 TopAbs_ShapeEnum theShapeType)
766 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
767 TopTools_IndexedMapOfShape anIndices;
769 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
771 // Standard_Boolean result = BRepTools::Write(theMainShape,"main_shape.brep");
773 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
775 int face_id = anIndices.FindIndex(face_iter.Current());
777 throw SALOME_Exception ( SMESH_Comment("Sub_shape not found in main_shape"));
778 face_ids.push_back(face_id);
779 // std::ostringstream o;
780 // o << "face_" << face_id << ".brep";
781 // std::string face_name = o.str();
782 // const TopoDS_Face& face = TopoDS::Face(face_iter.Current());
783 // Standard_Boolean result = BRepTools::Write(face,face_name.c_str());
789 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
790 TopoDS_Shape theSubShape,
791 TopAbs_ShapeEnum theShapeType)
793 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
795 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
797 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
799 throw SALOME_Exception ( SMESH_Comment("Sub_shape not found in main_shape"));
800 face_ids.push_back(face_id);
806 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
808 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
810 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
811 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
816 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
818 if (theVertexEntry!="")
820 TopoDS_Shape aShape = entryToShape(theVertexEntry);
822 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
823 double theX, theY, theZ;
828 theVerticesCoords.push_back(theX);
829 theVerticesCoords.push_back(theY);
830 theVerticesCoords.push_back(theZ);
834 /////////////////////////////////////////////////////////
835 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
837 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
838 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
840 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
841 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
843 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
844 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
845 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
847 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
848 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
850 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
853 /////////////////////////////////////////////////////////
854 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
856 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
857 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
859 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
860 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
862 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
863 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
864 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
866 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
867 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
869 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
873 /////////////////////////////////////////////////////////
875 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
876 cadsurf_session_t * css,
877 const TopoDS_Shape& theGeomShape
881 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
882 EnfVertexCoords2EnfVertexList.clear();
884 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
885 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
886 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
887 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
888 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
889 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
890 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
891 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
892 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
893 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
894 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
895 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
896 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
897 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
898 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
899 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
900 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
901 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
902 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
903 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
904 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
905 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
906 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
907 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
908 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
909 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
910 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
911 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
912 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
913 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
914 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
917 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
918 int _precadRemoveTinyUVEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveTinyUVEdges();
919 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
920 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
921 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
925 _physicalMesh = (int) hyp->GetPhysicalMesh();
926 _geometricMesh = (int) hyp->GetGeometricMesh();
927 if (hyp->GetPhySize() > 0) {
928 _phySize = hyp->GetPhySize();
929 // if user size is not explicitly specified, "relative" flag is ignored
930 _phySizeRel = hyp->IsPhySizeRel();
932 if (hyp->GetMinSize() > 0) {
933 _minSize = hyp->GetMinSize();
934 // if min size is not explicitly specified, "relative" flag is ignored
935 _minSizeRel = hyp->IsMinSizeRel();
937 if (hyp->GetMaxSize() > 0) {
938 _maxSize = hyp->GetMaxSize();
939 // if max size is not explicitly specified, "relative" flag is ignored
940 _maxSizeRel = hyp->IsMaxSizeRel();
942 _use_gradation = hyp->GetUseGradation();
943 if (hyp->GetGradation() > 0 && _use_gradation)
944 _gradation = hyp->GetGradation();
945 _use_volume_gradation = hyp->GetUseVolumeGradation();
946 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
947 _volume_gradation = hyp->GetVolumeGradation();
948 _quadAllowed = hyp->GetQuadAllowed();
949 if (hyp->GetAngleMesh() > 0)
950 _angleMesh = hyp->GetAngleMesh();
951 if (hyp->GetChordalError() > 0)
952 _chordalError = hyp->GetChordalError();
953 _anisotropic = hyp->GetAnisotropic();
954 if (hyp->GetAnisotropicRatio() >= 0)
955 _anisotropicRatio = hyp->GetAnisotropicRatio();
956 _removeTinyEdges = hyp->GetRemoveTinyEdges();
957 if (hyp->GetTinyEdgeLength() > 0)
958 _tinyEdgeLength = hyp->GetTinyEdgeLength();
959 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
960 if (hyp->GetTinyEdgeOptimisationLength() > 0)
961 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
962 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
963 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
964 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
965 _badElementRemoval = hyp->GetBadElementRemoval();
966 if (hyp->GetBadElementAspectRatio() >= 0)
967 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
968 _optimizeMesh = hyp->GetOptimizeMesh();
969 _quadraticMesh = hyp->GetQuadraticMesh();
970 _verb = hyp->GetVerbosity();
971 //_topology = (int) hyp->GetTopology();
973 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
974 _precadRemoveTinyUVEdges = hyp->GetPreCADRemoveTinyUVEdges();
975 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
976 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
977 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
979 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
980 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
981 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt )
982 if ( !opIt->second.empty() ) {
983 set_param(css, opIt->first.c_str(), opIt->second.c_str());
986 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
987 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
988 if ( !opIt->second.empty() ) {
989 set_param(css, opIt->first.c_str(), opIt->second.c_str());
992 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
993 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
994 if ( !opIt->second.empty() ) {
995 set_param(css, opIt->first.c_str(), opIt->second.c_str());
999 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
1001 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
1003 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
1004 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
1005 set_param(css, "remove_tiny_uv_edges", _precadRemoveTinyUVEdges ? "yes" : "no");
1006 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
1007 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
1008 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
1009 //set_param(css, "max_number_of_points_per_patch", "1000000");
1011 bool useGradation = false;
1012 switch (_physicalMesh)
1014 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1015 set_param(css, "physical_size_mode", "global");
1016 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1018 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1019 set_param(css, "physical_size_mode", "local");
1020 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1021 useGradation = true;
1024 set_param(css, "physical_size_mode", "none");
1027 switch (_geometricMesh)
1029 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1030 set_param(css, "geometric_size_mode", "global");
1031 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1032 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1033 useGradation = true;
1035 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1036 set_param(css, "geometric_size_mode", "local");
1037 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1038 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1039 useGradation = true;
1042 set_param(css, "geometric_size_mode", "none");
1045 if ( hyp && hyp->GetPhySize() > 0 ) {
1046 // user size is explicitly specified via hypothesis parameters
1047 // min and max sizes should be compared with explicitly specified user size
1048 // - compute absolute min size
1049 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1050 // - min size should not be greater than user size
1051 if ( _phySize < mins )
1052 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1054 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1055 // - compute absolute max size
1056 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1057 // - max size should not be less than user size
1058 if ( _phySize > maxs )
1059 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1061 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1064 // user size is not explicitly specified
1065 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1066 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1067 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1068 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1070 // anisotropic and quadrangle mesh requires disabling gradation
1071 if ( _anisotropic && _quadAllowed )
1072 useGradation = false; // limitation of V1.3
1073 if ( useGradation && _use_gradation )
1074 set_param(css, "gradation", val_to_string(_gradation).c_str());
1075 if ( useGradation && _use_volume_gradation )
1076 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1077 set_param(css, "element_generation", _quadAllowed ? "quad_dominant" : "triangle");
1080 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1082 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1083 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1084 if ( _removeTinyEdges )
1085 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1086 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1087 if ( _optimiseTinyEdges )
1088 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1089 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1090 if ( _correctSurfaceIntersec )
1091 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1092 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1093 if ( _badElementRemoval )
1094 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1095 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1096 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1097 set_param(css, "verbose", val_to_string(_verb).c_str());
1099 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1101 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1103 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1105 TopoDS_Shape GeomShape;
1106 TopoDS_Shape AttShape;
1107 TopAbs_ShapeEnum GeomType;
1109 // Standard Size Maps
1111 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1112 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1113 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1114 if ( !smIt->second.empty() ) {
1115 GeomShape = entryToShape(smIt->first);
1116 GeomType = GeomShape.ShapeType();
1119 if (GeomType == TopAbs_COMPOUND) {
1120 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1122 if (it.Value().ShapeType() == TopAbs_FACE){
1123 HasSizeMapOnFace = true;
1124 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1125 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1128 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1130 FaceId2SizeMap[key] = smIt->second;
1133 if (it.Value().ShapeType() == TopAbs_EDGE){
1134 HasSizeMapOnEdge = true;
1135 HasSizeMapOnFace = true;
1136 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1137 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1140 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1142 EdgeId2SizeMap[key] = smIt->second;
1144 // Group of vertices
1145 if (it.Value().ShapeType() == TopAbs_VERTEX){
1146 HasSizeMapOnVertex = true;
1147 HasSizeMapOnEdge = true;
1148 HasSizeMapOnFace = true;
1149 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1150 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1153 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1155 VertexId2SizeMap[key] = smIt->second;
1160 if (GeomType == TopAbs_FACE){
1161 HasSizeMapOnFace = true;
1162 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1163 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1166 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1168 FaceId2SizeMap[key] = smIt->second;
1171 if (GeomType == TopAbs_EDGE){
1172 HasSizeMapOnEdge = true;
1173 HasSizeMapOnFace = true;
1174 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1175 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1178 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1180 EdgeId2SizeMap[key] = smIt->second;
1183 if (GeomType == TopAbs_VERTEX){
1184 HasSizeMapOnVertex = true;
1185 HasSizeMapOnEdge = true;
1186 HasSizeMapOnFace = true;
1187 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1188 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1191 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1193 VertexId2SizeMap[key] = smIt->second;
1201 // TODO appeler le constructeur des attracteurs directement ici
1202 // if ( !_phySizeRel ) {
1203 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1204 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1205 for ( ; atIt != attractors.end(); ++atIt ) {
1206 if ( !atIt->second.empty() ) {
1207 GeomShape = entryToShape(atIt->first);
1208 GeomType = GeomShape.ShapeType();
1210 if (GeomType == TopAbs_COMPOUND){
1211 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1212 if (it.Value().ShapeType() == TopAbs_FACE){
1213 HasSizeMapOnFace = true;
1214 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1219 if (GeomType == TopAbs_FACE){
1220 HasSizeMapOnFace = true;
1221 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1224 if (GeomType == TopAbs_EDGE){
1225 HasSizeMapOnEdge = true;
1226 HasSizeMapOnFace = true;
1227 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1229 if (GeomType == TopAbs_VERTEX){
1230 HasSizeMapOnVertex = true;
1231 HasSizeMapOnEdge = true;
1232 HasSizeMapOnFace = true;
1233 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1241 // temporary commented out for testing
1243 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1244 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1245 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1247 // - Construct the attractors with an empty dist. map in the hypothesis
1248 // - 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()
1249 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1251 theNbAttractors = 0;
1252 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1254 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1255 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1256 if ( !AtIt->second->Empty() ) {
1257 GeomShape = entryToShape(AtIt->first);
1258 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1260 AttShape = AtIt->second->GetAttractorShape();
1261 GeomType = GeomShape.ShapeType();
1263 // if (GeomType == TopAbs_COMPOUND){
1264 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1265 // if (it.Value().ShapeType() == TopAbs_FACE){
1266 // HasAttractorOnFace = true;
1267 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1272 if (GeomType == TopAbs_FACE
1273 && (AttShape.ShapeType() == TopAbs_VERTEX
1274 || AttShape.ShapeType() == TopAbs_EDGE
1275 || AttShape.ShapeType() == TopAbs_WIRE
1276 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1277 HasSizeMapOnFace = true;
1279 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1281 FaceId2ClassAttractor[key].push_back( AtIt->second );
1285 MESSAGE("Wrong shape type !!")
1293 // Enforced Vertices
1295 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1296 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1297 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1298 if ( !enfIt->second.empty() ) {
1299 GeomShape = entryToShape(enfIt->first);
1300 if ( GeomShape.IsNull() )
1302 GeomShape = findFaces( enfIt->second );
1303 if ( GeomShape.IsNull() )
1307 if ( GeomShape.ShapeType() == TopAbs_COMPOUND){
1308 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1309 if (it.Value().ShapeType() == TopAbs_FACE){
1310 HasSizeMapOnFace = true;
1311 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1315 if ( GeomShape.ShapeType() == TopAbs_FACE){
1316 HasSizeMapOnFace = true;
1317 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1322 // Internal vertices
1323 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1324 if (useInternalVertexAllFaces) {
1325 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1327 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1328 for (; exp.More(); exp.Next()){
1329 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1330 for (; exp_face.More(); exp_face.Next())
1332 // Get coords of vertex
1333 // Check if current coords is already in enfVertexList
1334 // If coords not in enfVertexList, add new enfVertex
1335 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1336 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1337 enfVertex->coords.push_back(aPnt.X());
1338 enfVertex->coords.push_back(aPnt.Y());
1339 enfVertex->coords.push_back(aPnt.Z());
1340 enfVertex->name = "";
1341 enfVertex->faceEntries.clear();
1342 enfVertex->geomEntry = "";
1343 enfVertex->grpName = grpName;
1344 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1345 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1346 HasSizeMapOnFace = true;
1351 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1353 if (HasSizeMapOnEdge){
1354 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1356 if (HasSizeMapOnVertex){
1357 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1364 _preCadFacesIDsPeriodicityVector.clear();
1365 _preCadEdgesIDsPeriodicityVector.clear();
1367 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
1369 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1370 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1373 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1375 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1376 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1380 //================================================================================
1382 * \brief Throws an exception if a parameter name is wrong
1384 //================================================================================
1386 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1387 const char * option_name,
1388 const char * option_value)
1390 status_t status = cadsurf_set_param(css, option_name, option_value );
1392 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1393 cout << option_name << " = " << option_value << endl;
1395 if ( status != MESHGEMS_STATUS_OK )
1397 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1398 throw SALOME_Exception
1399 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1401 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1402 throw SALOME_Exception
1403 ( "No valid license available" );
1405 throw SALOME_Exception
1406 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1407 << option_name << "': " << option_value);
1413 // --------------------------------------------------------------------------
1415 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1417 class BLSURF_Cleaner
1420 cadsurf_session_t* _css;
1424 BLSURF_Cleaner(context_t * ctx,
1425 cadsurf_session_t* css,
1436 Clean( /*exceptContext=*/false );
1438 void Clean(const bool exceptContext)
1442 cadsurf_session_delete(_css); _css = 0;
1444 // #if BLSURF_VERSION_LONG >= "3.1.1"
1445 // // if(geo_sizemap_e)
1446 // // distene_sizemap_delete(geo_sizemap_e);
1447 // // if(geo_sizemap_f)
1448 // // distene_sizemap_delete(geo_sizemap_f);
1449 // if(iso_sizemap_p)
1450 // distene_sizemap_delete(iso_sizemap_p);
1451 // if(iso_sizemap_e)
1452 // distene_sizemap_delete(iso_sizemap_e);
1453 // if(iso_sizemap_f)
1454 // distene_sizemap_delete(iso_sizemap_f);
1456 // // if(clean_geo_sizemap_e)
1457 // // distene_sizemap_delete(clean_geo_sizemap_e);
1458 // // if(clean_geo_sizemap_f)
1459 // // distene_sizemap_delete(clean_geo_sizemap_f);
1460 // if(clean_iso_sizemap_p)
1461 // distene_sizemap_delete(clean_iso_sizemap_p);
1462 // if(clean_iso_sizemap_e)
1463 // distene_sizemap_delete(clean_iso_sizemap_e);
1464 // if(clean_iso_sizemap_f)
1465 // distene_sizemap_delete(clean_iso_sizemap_f);
1468 cad_delete(_cad); _cad = 0;
1469 dcad_delete(_dcad); _dcad = 0;
1470 if ( !exceptContext )
1472 context_delete(_ctx); _ctx = 0;
1478 // --------------------------------------------------------------------------
1479 // comparator to sort nodes and sub-meshes
1480 struct ShapeTypeCompare
1482 // sort nodes by position in the following order:
1483 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1484 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1486 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1487 return n1->getIdInShape() < n2->getIdInShape();
1488 // SMDS_TypeOfPosition pos1 = n1->GetPosition()->GetTypeOfPosition();
1489 // SMDS_TypeOfPosition pos2 = n2->GetPosition()->GetTypeOfPosition();
1490 // if ( pos1 == pos2 ) return 0;
1491 // if ( pos1 < pos2 || pos1 == SMDS_TOP_3DSPACE ) return 1;
1494 // sort sub-meshes in order: EDGE, VERTEX
1495 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1497 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1498 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1499 if ( isVertex1 == isVertex2 )
1501 return isVertex1 < isVertex2;
1505 //================================================================================
1507 * \brief Fills groups of nodes to be merged
1509 //================================================================================
1511 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1512 const TopoDS_Shape& shape,
1513 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1515 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1516 switch ( shape.ShapeType() )
1518 case TopAbs_VERTEX: {
1519 std::list< const SMDS_MeshNode* > nodes;
1520 while ( nIt->more() )
1521 nodes.push_back( nIt->next() );
1522 if ( nodes.size() > 1 )
1523 nodeGroupsToMerge.push_back( nodes );
1527 std::multimap< double, const SMDS_MeshNode* > u2node;
1528 const SMDS_EdgePosition* ePos;
1529 while ( nIt->more() )
1531 const SMDS_MeshNode* n = nIt->next();
1532 if (( ePos = dynamic_cast< const SMDS_EdgePosition* >( n->GetPosition() )))
1533 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1535 if ( u2node.size() < 2 ) return;
1537 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1539 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1540 double tol = (( l - f ) / 20.) / u2node.size();
1542 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1543 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1545 if (( un2->first - un1->first ) <= tol )
1547 std::list< const SMDS_MeshNode* > nodes;
1548 nodes.push_back( un1->second );
1549 while (( un2->first - un1->first ) <= tol )
1551 nodes.push_back( un2->second );
1552 if ( ++un2 == u2node.end()) {
1557 // make nodes created on the boundary of viscous layer replace nodes created
1558 // by MG-CADSurf as their SMDS_Position is more correct
1559 nodes.sort( ShapeTypeCompare() );
1560 nodeGroupsToMerge.push_back( nodes );
1567 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1568 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1570 // cout << "Merge ";
1571 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1572 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1573 // for ( ; nIt != nl.end(); ++nIt )
1574 // cout << (*nIt) << " ";
1580 //================================================================================
1582 * \brief A temporary mesh used to compute mesh on a proxy FACE
1584 //================================================================================
1586 struct TmpMesh: public SMESH_Mesh
1588 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1589 TN2NMap _tmp2origNN;
1590 TopoDS_Face _proxyFace;
1594 _myMeshDS = new SMESHDS_Mesh( _id, true );
1596 //--------------------------------------------------------------------------------
1598 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1600 //--------------------------------------------------------------------------------
1602 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1603 const TopoDS_Face& origFace)
1605 // get data of nodes on inner boundary of viscous layers
1606 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1608 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1609 /*skipMediumNodes = */true,
1611 if ( err && err->IsKO() )
1612 throw *err.get(); // it should be caught at SMESH_subMesh
1614 // proxy nodes and corresponding tmp VERTEXes
1615 std::vector<const SMDS_MeshNode*> origNodes;
1616 std::vector<TopoDS_Vertex> tmpVertex;
1618 // create a proxy FACE
1619 TopoDS_Shape origFaceCopy = origFace.EmptyCopied();
1620 BRepBuilderAPI_MakeFace newFace( TopoDS::Face( origFaceCopy ));
1621 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1623 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1624 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1625 if ( wirePoints.size() < 3 )
1628 BRepBuilderAPI_MakePolygon wire;
1629 const size_t i0 = tmpVertex.size();
1630 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1632 wire.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1633 origNodes.push_back( wirePoints[ iN ].node );
1634 tmpVertex.push_back( wire.LastVertex() );
1636 tmpVertex[ i0 ] = wire.FirstVertex(); // wire.LastVertex()==NULL for 1 vertex in wire
1638 if ( !wire.IsDone() )
1639 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1640 newFace.Add( wire );
1642 _proxyFace = newFace;
1644 // set a new shape to mesh
1645 TopoDS_Compound auxCompoundToMesh;
1646 BRep_Builder shapeBuilder;
1647 shapeBuilder.MakeCompound( auxCompoundToMesh );
1648 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1649 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1651 ShapeToMesh( auxCompoundToMesh );
1653 //TopExp_Explorer fExp( auxCompoundToMesh, TopAbs_FACE );
1654 //_proxyFace = TopoDS::Face( fExp.Current() );
1657 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1659 // make nodes and fill in _tmp2origNN
1661 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1662 for ( size_t i = 0; i < origNodes.size(); ++i )
1664 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1665 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1666 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1668 throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1672 TopoDS_Vertex v1, v2;
1673 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1675 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1676 TopExp::Vertices( E, v1, v2 );
1677 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1678 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1680 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1681 tmpMeshDS->SetMeshElementOnShape( seg, E );
1687 //--------------------------------------------------------------------------------
1689 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1691 //--------------------------------------------------------------------------------
1693 void FillInOrigMesh( SMESH_Mesh& origMesh,
1694 const TopoDS_Face& origFace )
1696 SMESH_MesherHelper helper( origMesh );
1697 helper.SetSubShape( origFace );
1698 helper.SetElementsOnShape( true );
1700 SMESH_MesherHelper tmpHelper( *this );
1701 tmpHelper.SetSubShape( _proxyFace );
1703 // iterate over tmp faces and copy them in origMesh
1704 const SMDS_MeshNode* nodes[27];
1705 const SMDS_MeshNode* nullNode = 0;
1707 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1708 while ( fIt->more() )
1710 const SMDS_MeshElement* f = fIt->next();
1711 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1713 for ( ; nIt->more(); ++nbN )
1715 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1716 TN2NMap::iterator n2nIt =
1717 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1718 if ( !n2nIt->second ) {
1720 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1721 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1723 nodes[ nbN ] = n2nIt->second;
1726 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1727 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1728 // nodes[3], nodes[4], nodes[5]); break;
1729 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1730 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1731 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1732 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1733 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1740 * \brief A structure holding an error description and a verbisity level
1742 struct message_cb_user_data
1744 std::string * _error;
1751 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1752 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1753 real *duu, real *duv, real *dvv, void *user_data);
1754 status_t message_cb(message_t *msg, void *user_data);
1755 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1757 //=============================================================================
1761 //=============================================================================
1763 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape) {
1765 // Fix problem with locales
1766 Kernel_Utils::Localizer aLocalizer;
1768 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1770 bool viscousLayersMade =
1771 ( aShape.ShapeType() == TopAbs_FACE &&
1772 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1774 if ( !viscousLayersMade )
1775 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1778 if ( _haveViscousLayers || viscousLayersMade )
1780 // Compute viscous layers
1782 TopTools_MapOfShape map;
1783 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1785 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1786 if ( !map.Add( F )) continue;
1787 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1789 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1791 // Compute MG-CADSurf mesh on viscous layers
1793 if ( viscousMesh->NbProxySubMeshes() > 0 )
1796 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1797 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1799 tmpMesh.FillInOrigMesh( aMesh, F );
1803 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1805 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1807 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1808 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1809 if ( fSM->IsMeshComputed() ) continue;
1811 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1819 //=============================================================================
1823 //=============================================================================
1825 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1826 const TopoDS_Shape& aShape,
1827 bool allowSubMeshClearing)
1829 /* create a distene context (generic object) */
1830 status_t status = STATUS_ERROR;
1832 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1833 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1834 myHelper = & helperWithShape;
1835 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1836 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1837 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1838 bool quadraticSubMeshAndViscousLayer = false;
1839 bool needMerge = false;
1840 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1841 TSubMeshSet edgeSubmeshes;
1842 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1844 TopTools_IndexedMapOfShape pmap, emap, fmap;
1846 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1848 feclearexcept( FE_ALL_EXCEPT );
1849 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1852 context_t *ctx = context_new();
1854 /* Set the message callback in the working context */
1855 message_cb_user_data mcud;
1856 mcud._error = & this->SMESH_Algo::_comment;
1857 mcud._progress = & this->SMESH_Algo::_progress;
1859 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1860 context_set_message_callback(ctx, message_cb, &mcud);
1862 /* set the interruption callback */
1863 _compute_canceled = false;
1864 context_set_interrupt_callback(ctx, interrupt_cb, this);
1866 /* create the CAD object we will work on. It is associated to the context ctx. */
1867 cad_t *c = cad_new(ctx);
1868 dcad_t *dcad = dcad_new(c);
1870 FacesWithSizeMap.Clear();
1871 FaceId2SizeMap.clear();
1872 FaceId2ClassAttractor.clear();
1873 FaceIndex2ClassAttractor.clear();
1874 EdgesWithSizeMap.Clear();
1875 EdgeId2SizeMap.clear();
1876 VerticesWithSizeMap.Clear();
1877 VertexId2SizeMap.clear();
1879 /* Now fill the CAD object with data from your CAD
1880 * environement. This is the most complex part of a successfull
1886 cadsurf_session_t *css = cadsurf_session_new(ctx);
1888 // an object that correctly deletes all cadsurf objects at destruction
1889 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1891 SetParameters(_hypothesis, css, aShape);
1893 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1894 helper.SetIsQuadratic( haveQuadraticSubMesh );
1896 // To remove as soon as quadratic mesh is allowed - BEGIN
1897 // GDD: Viscous layer is not allowed with quadratic mesh
1898 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1899 quadraticSubMeshAndViscousLayer = true;
1900 _haveViscousLayers = !haveQuadraticSubMesh;
1901 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1902 error(COMPERR_WARNING, _comment);
1904 // To remove as soon as quadratic mesh is allowed - END
1906 // needed to prevent the opencascade memory managmement from freeing things
1907 vector<Handle(Geom2d_Curve)> curves;
1908 vector<Handle(Geom_Surface)> surfaces;
1912 FaceId2PythonSmp.clear();
1913 EdgeId2PythonSmp.clear();
1914 VertexId2PythonSmp.clear();
1916 /****************************************************************************************
1918 *****************************************************************************************/
1920 string bad_end = "return";
1922 TopTools_IndexedMapOfShape _map;
1923 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
1924 int ienf = _map.Extent();
1926 assert(Py_IsInitialized());
1927 PyGILState_STATE gstate;
1929 string theSizeMapStr;
1931 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1933 TopoDS_Face f = TopoDS::Face(face_iter.Current());
1935 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
1936 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
1938 // make INTERNAL face oriented FORWARD (issue 0020993)
1939 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
1940 f.Orientation(TopAbs_FORWARD);
1942 iface = fmap.Add(f);
1943 // std::string aFileName = "fmap_face_";
1944 // aFileName.append(val_to_string(iface));
1945 // aFileName.append(".brep");
1946 // BRepTools::Write(f,aFileName.c_str());
1948 surfaces.push_back(BRep_Tool::Surface(f));
1950 /* create an object representing the face for cadsurf */
1951 /* where face_id is an integer identifying the face.
1952 * surf_function is the function that defines the surface
1953 * (For this face, it will be called by cadsurf with your_face_object_ptr
1954 * as last parameter.
1956 #if OCC_VERSION_MAJOR < 7
1957 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
1959 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
1962 /* by default a face has no tag (color).
1963 The following call sets it to the same value as the Geom module ID : */
1964 const int faceTag = meshDS->ShapeToIndex(f);
1965 cad_face_set_tag(fce, faceTag);
1967 /* Set face orientation (optional if you want a well oriented output mesh)*/
1968 if(f.Orientation() != TopAbs_FORWARD)
1969 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
1971 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
1973 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
1975 // -----------------
1977 // -----------------
1978 faceKey = FacesWithSizeMap.FindIndex(f);
1981 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
1983 theSizeMapStr = FaceId2SizeMap[faceKey];
1984 // check if function ends with "return"
1985 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
1987 // Expr To Python function, verification is performed at validation in GUI
1988 gstate = PyGILState_Ensure();
1989 PyObject * obj = NULL;
1990 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
1992 PyObject * func = NULL;
1993 func = PyObject_GetAttrString(main_mod, "f");
1994 FaceId2PythonSmp[iface]=func;
1995 FaceId2SizeMap.erase(faceKey);
1996 PyGILState_Release(gstate);
1999 // Specific size map = Attractor
2000 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2002 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2003 if (attractor_iter->first == faceKey)
2005 double xyzCoords[3] = {attractor_iter->second[2],
2006 attractor_iter->second[3],
2007 attractor_iter->second[4]};
2009 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2010 BRepClass_FaceClassifier scl(f,P,1e-7);
2011 scl.Perform(f, P, 1e-7);
2012 TopAbs_State result = scl.State();
2013 if ( result == TopAbs_OUT )
2014 MESSAGE("Point is out of face: node is not created");
2015 if ( result == TopAbs_UNKNOWN )
2016 MESSAGE("Point position on face is unknown: node is not created");
2017 if ( result == TopAbs_ON )
2018 MESSAGE("Point is on border of face: node is not created");
2019 if ( result == TopAbs_IN )
2021 // Point is inside face and not on border
2022 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2024 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2025 cad_point_set_tag(point_p, ienf);
2027 FaceId2AttractorCoords.erase(faceKey);
2031 // -----------------
2033 // -----------------
2034 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2035 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2036 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2037 for ( size_t i = 0; i < attVec.size(); ++i )
2038 if ( !attVec[i]->IsMapBuilt() ) {
2039 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2040 attVec[i]->BuildMap();
2042 FaceIndex2ClassAttractor[iface].swap( attVec );
2043 FaceId2ClassAttractor.erase(clAttractor_iter);
2045 } // if (HasSizeMapOnFace && !use_precad)
2047 // ------------------
2048 // Enforced Vertices
2049 // ------------------
2050 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2051 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2052 if (evmIt != FaceId2EnforcedVertexCoords.end()) {
2053 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl;
2054 evl = evmIt->second;
2055 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2056 for (; evlIt != evl.end(); ++evlIt) {
2057 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2058 xyzCoords.push_back(evlIt->at(2));
2059 xyzCoords.push_back(evlIt->at(3));
2060 xyzCoords.push_back(evlIt->at(4));
2061 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2062 BRepClass_FaceClassifier scl(f,P,1e-7);
2063 // OCC 6.3sp6 : scl.Perform() is bugged. The function was rewritten
2064 // BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
2065 // OCC 6.5.2: scl.Perform() is not bugged anymore
2066 scl.Perform(f, P, 1e-7);
2067 TopAbs_State result = scl.State();
2068 if ( result == TopAbs_OUT ) {
2069 if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2070 EnfVertexCoords2ProjVertex.erase(xyzCoords);
2071 // isssue 22783. Do not erase as this point can be IN other face of a group
2072 //EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2075 if ( result == TopAbs_UNKNOWN ) {
2076 if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2077 EnfVertexCoords2ProjVertex.erase(xyzCoords);
2078 //EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2081 if ( result == TopAbs_ON ) {
2082 if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2083 EnfVertexCoords2ProjVertex.erase(xyzCoords);
2084 //EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2087 if ( result == TopAbs_IN )
2089 // Point is inside face and not on border
2090 double uvCoords[2] = {evlIt->at(0),evlIt->at(1)};
2092 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2094 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2095 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2096 !enfCoordsIt->second.empty() )
2098 // to merge nodes of an INTERNAL vertex belonging to several faces
2099 TopoDS_Vertex v = (*enfCoordsIt->second.begin())->vertex;
2100 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2101 if ( !v.IsNull() ) {
2102 tag = pmap.Add( v );
2103 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2104 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2105 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2106 // //if ( tag != pmap.Extent() )
2107 // needMerge = true;
2110 if ( tag == 0 ) tag = ienf;
2111 cad_point_set_tag(point_p, tag);
2114 FaceId2EnforcedVertexCoords.erase(faceKey);
2118 /****************************************************************************************
2120 now create the edges associated to this face
2121 *****************************************************************************************/
2123 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2125 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2126 int ic = emap.FindIndex(e);
2130 // std::string aFileName = "fmap_edge_";
2131 // aFileName.append(val_to_string(ic));
2132 // aFileName.append(".brep");
2133 // BRepTools::Write(e,aFileName.c_str());
2136 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2138 if (HasSizeMapOnEdge){
2139 edgeKey = EdgesWithSizeMap.FindIndex(e);
2140 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2142 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2143 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2145 // Expr To Python function, verification is performed at validation in GUI
2146 gstate = PyGILState_Ensure();
2147 PyObject * obj = NULL;
2148 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2150 PyObject * func = NULL;
2151 func = PyObject_GetAttrString(main_mod, "f");
2152 EdgeId2PythonSmp[ic]=func;
2153 EdgeId2SizeMap.erase(edgeKey);
2154 PyGILState_Release(gstate);
2157 /* data of nodes existing on the edge */
2158 StdMeshers_FaceSidePtr nodeData;
2159 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2160 if ( !sm->IsEmpty() )
2162 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2163 // /*complexFirst=*/false);
2164 // while ( subsmIt->more() )
2165 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2166 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2168 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2169 /*ignoreMedium=*/haveQuadraticSubMesh));
2170 if ( nodeData->MissVertexNode() )
2171 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2173 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2174 if ( !nodeDataVec.empty() )
2176 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2178 nodeData->Reverse();
2179 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2181 // tmin and tmax can change in case of viscous layer on an adjacent edge
2182 tmin = nodeDataVec.front().param;
2183 tmax = nodeDataVec.back().param;
2187 cout << "---------------- Invalid nodeData" << endl;
2192 /* attach the edge to the current cadsurf face */
2193 #if OCC_VERSION_MAJOR < 7
2194 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
2196 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2199 /* by default an edge has no tag (color).
2200 The following call sets it to the same value as the edge_id : */
2201 cad_edge_set_tag(edg, ic);
2203 /* by default, an edge does not necessalry appear in the resulting mesh,
2204 unless the following property is set :
2206 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2208 /* by default an edge is a boundary edge */
2209 if (e.Orientation() == TopAbs_INTERNAL)
2210 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2212 // pass existing nodes of sub-meshes to MG-CADSurf
2215 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2216 const int nbNodes = nodeDataVec.size();
2218 dcad_edge_discretization_t *dedge;
2219 dcad_get_edge_discretization(dcad, edg, &dedge);
2220 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2222 // cout << endl << " EDGE " << ic << endl;
2223 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2224 for ( int iN = 0; iN < nbNodes; ++iN )
2226 const UVPtStruct& nData = nodeDataVec[ iN ];
2227 double t = nData.param;
2228 real uv[2] = { nData.u, nData.v };
2229 SMESH_TNodeXYZ nXYZ( nData.node );
2230 // cout << "\tt = " << t
2231 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2232 // << "\t u = " << nData.param
2233 // << "\t ID = " << nData.node->GetID() << endl;
2234 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ._xyz );
2236 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2239 /****************************************************************************************
2241 *****************************************************************************************/
2245 gp_Pnt2d e0 = curves.back()->Value(tmin);
2246 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2247 Standard_Real d1=0,d2=0;
2250 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2251 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2255 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2258 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2260 *ip = pmap.FindIndex(v);
2263 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2264 // if ( sm->IsMeshComputed() )
2265 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2268 // std::string aFileName = "fmap_vertex_";
2269 // aFileName.append(val_to_string(*ip));
2270 // aFileName.append(".brep");
2271 // BRepTools::Write(v,aFileName.c_str());
2273 if (HasSizeMapOnVertex){
2274 vertexKey = VerticesWithSizeMap.FindIndex(v);
2275 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2276 theSizeMapStr = VertexId2SizeMap[vertexKey];
2277 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2279 // Expr To Python function, verification is performed at validation in GUI
2280 gstate = PyGILState_Ensure();
2281 PyObject * obj = NULL;
2282 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2284 PyObject * func = NULL;
2285 func = PyObject_GetAttrString(main_mod, "f");
2286 VertexId2PythonSmp[*ip]=func;
2287 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2288 PyGILState_Release(gstate);
2293 // should not happen
2294 MESSAGE("An edge does not have 2 extremities.");
2297 // This defines the curves extremity connectivity
2298 cad_edge_set_extremities(edg, ip1, ip2);
2299 /* set the tag (color) to the same value as the extremity id : */
2300 cad_edge_set_extremities_tag(edg, ip1, ip2);
2303 cad_edge_set_extremities(edg, ip2, ip1);
2304 cad_edge_set_extremities_tag(edg, ip2, ip1);
2310 // Clear mesh from already meshed edges if possible else
2311 // remember that merge is needed
2312 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2313 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2315 SMESHDS_SubMesh* smDS = *smIt;
2316 if ( !smDS ) continue;
2317 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2320 const SMDS_MeshNode* n = nIt->next();
2321 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2323 needMerge = true; // to correctly sew with viscous mesh
2324 // add existing medium nodes to helper
2325 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2327 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2328 while ( edgeIt->more() )
2329 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2334 if ( allowSubMeshClearing )
2336 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2337 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2338 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2339 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2348 ///////////////////////
2350 ///////////////////////
2352 if (! _preCadFacesIDsPeriodicityVector.empty())
2354 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2355 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2356 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2357 int* theFace1_ids_c = &theFace1_ids[0];
2358 int* theFace2_ids_c = &theFace2_ids[0];
2359 std::ostringstream o;
2360 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2361 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2362 o << theFace1_ids[j] << ", ";
2364 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2365 o << theFace2_ids[j] << ", ";
2367 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2369 // If no source points, call peridoicity without transformation function
2370 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2371 status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2372 theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2373 if(status != STATUS_OK)
2374 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2378 // get the transformation vertices
2379 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2380 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2381 int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2382 int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2384 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2385 theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2386 if(status != STATUS_OK)
2387 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2392 if (! _preCadEdgesIDsPeriodicityVector.empty())
2394 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2395 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2396 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2397 // Use the address of the first element of the vector to initialise the array
2398 int* theEdge1_ids_c = &theEdge1_ids[0];
2399 int* theEdge2_ids_c = &theEdge2_ids[0];
2401 std::ostringstream o;
2402 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2403 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2404 o << theEdge1_ids[j] << ", ";
2406 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2407 o << theEdge2_ids[j] << ", ";
2410 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2412 // If no source points, call peridoicity without transformation function
2413 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2414 status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2415 theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2416 if(status != STATUS_OK)
2417 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2421 // get the transformation vertices
2422 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2423 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2424 int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2425 int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2427 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2428 theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2429 if(status != STATUS_OK)
2430 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2436 // TODO: be able to use a mesh in input.
2437 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2438 // => cadsurf_set_mesh
2440 // Use the original dcad
2441 cadsurf_set_dcad(css, dcad);
2443 // Use the original cad
2444 cadsurf_set_cad(css, c);
2446 std::cout << std::endl;
2447 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2448 std::cout << std::endl;
2453 status = cadsurf_compute_mesh(css);
2456 catch ( std::exception& exc ) {
2457 _comment += exc.what();
2459 catch (Standard_Failure& ex) {
2460 _comment += ex.DynamicType()->Name();
2461 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2463 _comment += ex.GetMessageString();
2467 if ( _comment.empty() )
2468 _comment = "Exception in cadsurf_compute_mesh()";
2471 std::cout << std::endl;
2472 std::cout << "End of Surface Mesh generation" << std::endl;
2473 std::cout << std::endl;
2476 cadsurf_get_mesh(css, &msh);
2478 /* release the mesh object */
2479 cadsurf_regain_mesh(css, msh);
2480 return error(_comment);
2483 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2485 GMFFileName = _hypothesis->GetGMFFile();
2486 if (GMFFileName != "") {
2487 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2488 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2489 if (!asciiFound && !binaryFound)
2490 GMFFileName.append(".mesh");
2491 mesh_write_mesh(msh, GMFFileName.c_str());
2494 /* retrieve mesh data (see meshgems/mesh.h) */
2495 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2496 integer *evedg, *evtri, *evquad, *tags_buff, type;
2499 mesh_get_vertex_count(msh, &nv);
2500 mesh_get_edge_count(msh, &ne);
2501 mesh_get_triangle_count(msh, &nt);
2502 mesh_get_quadrangle_count(msh, &nq);
2504 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2505 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2506 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2507 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2509 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2510 std::vector<bool> tags(nv+1);
2512 /* enumerated vertices */
2513 for(int iv=1;iv<=nv;iv++) {
2514 mesh_get_vertex_coordinates(msh, iv, xyz);
2515 mesh_get_vertex_tag(msh, iv, &tag);
2516 // Issue 0020656. Use vertex coordinates
2518 if ( tag > 0 && tag <= pmap.Extent() ) {
2519 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2520 double tol = BRep_Tool::Tolerance( v );
2521 gp_Pnt p = BRep_Tool::Pnt( v );
2522 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2523 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2525 tag = 0; // enforced or attracted vertex
2526 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2529 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2531 // Create group of enforced vertices if requested
2532 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2534 projVertex.push_back((double)xyz[0]);
2535 projVertex.push_back((double)xyz[1]);
2536 projVertex.push_back((double)xyz[2]);
2537 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2538 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2540 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2541 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2542 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2543 currentEnfVertex = (*enfListIt);
2544 if (currentEnfVertex->grpName != "") {
2545 bool groupDone = false;
2546 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2547 while (grIt->more()) {
2548 SMESH_Group * group = grIt->next();
2549 if ( !group ) continue;
2550 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2551 if ( !groupDS ) continue;
2552 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2553 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2554 aGroupDS->SMDSGroup().Add(nodes[iv]);
2555 // How can I inform the hypothesis ?
2556 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2564 SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2565 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2566 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2567 aGroupDS->SMDSGroup().Add(nodes[iv]);
2571 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2574 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2578 // internal points are tagged to zero
2579 if(tag > 0 && tag <= pmap.Extent() ){
2580 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2587 /* enumerate edges */
2588 for(int it=1;it<=ne;it++) {
2590 mesh_get_edge_vertices(msh, it, vtx);
2591 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2592 mesh_get_edge_tag(msh, it, &tag);
2594 // If PreCAD performed some cleaning operations (remove tiny edges,
2595 // merge edges ...) an output tag can indeed represent several original tags.
2596 // Get the initial tags corresponding to the output tag and redefine the tag as
2597 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2598 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2600 tag=tags_buff[nb_tag-1];
2601 if ( tag < 1 || tag > emap.Extent() )
2603 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2604 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2608 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2609 tags[vtx[0]] = false;
2612 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2613 tags[vtx[1]] = false;
2615 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2617 if (tags[evedg[0]]) {
2618 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2619 tags[evedg[0]] = false;
2621 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2624 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2626 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2629 /* enumerate triangles */
2630 for(int it=1;it<=nt;it++) {
2632 mesh_get_triangle_vertices(msh, it, vtx);
2633 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2634 mesh_get_triangle_tag(msh, it, &tag);
2636 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2637 tags[vtx[0]] = false;
2640 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2641 tags[vtx[1]] = false;
2644 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2645 tags[vtx[2]] = false;
2647 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2648 // QUADRATIC TRIANGLE
2649 if (tags[evtri[0]]) {
2650 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2651 tags[evtri[0]] = false;
2653 if (tags[evtri[1]]) {
2654 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2655 tags[evtri[1]] = false;
2657 if (tags[evtri[2]]) {
2658 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2659 tags[evtri[2]] = false;
2661 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2662 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2665 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2667 meshDS->SetMeshElementOnShape(tri, tag);
2670 /* enumerate quadrangles */
2671 for(int it=1;it<=nq;it++) {
2672 SMDS_MeshFace* quad;
2673 mesh_get_quadrangle_vertices(msh, it, vtx);
2674 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2675 mesh_get_quadrangle_tag(msh, it, &tag);
2677 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2678 tags[vtx[0]] = false;
2681 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2682 tags[vtx[1]] = false;
2685 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2686 tags[vtx[2]] = false;
2689 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2690 tags[vtx[3]] = false;
2692 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2693 // QUADRATIC QUADRANGLE
2694 std::cout << "This is a quadratic quadrangle" << std::endl;
2695 if (tags[evquad[0]]) {
2696 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2697 tags[evquad[0]] = false;
2699 if (tags[evquad[1]]) {
2700 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2701 tags[evquad[1]] = false;
2703 if (tags[evquad[2]]) {
2704 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2705 tags[evquad[2]] = false;
2707 if (tags[evquad[3]]) {
2708 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2709 tags[evquad[3]] = false;
2711 if (tags[evquad[4]]) {
2712 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2713 tags[evquad[4]] = false;
2715 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2716 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2720 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2722 meshDS->SetMeshElementOnShape(quad, tag);
2725 /* release the mesh object, the rest is released by cleaner */
2726 cadsurf_regain_mesh(css, msh);
2729 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2730 for(int iv=1;iv<=nv;iv++)
2731 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2732 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2735 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2737 SMESH_MeshEditor editor( &aMesh );
2738 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2739 TIDSortedElemSet segementsOnEdge;
2740 TSubMeshSet::iterator smIt;
2741 SMESHDS_SubMesh* smDS;
2743 // merge nodes on EDGE's with ones computed by MG-CADSurf
2744 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2746 if (! (smDS = *smIt) ) continue;
2747 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2749 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2750 while ( segIt->more() )
2751 segementsOnEdge.insert( segIt->next() );
2754 editor.MergeNodes( nodeGroupsToMerge );
2757 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2758 editor.FindEqualElements( segementsOnEdge, equalSegments );
2759 editor.MergeElements( equalSegments );
2761 // remove excess segments created on the boundary of viscous layers
2762 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2763 for ( int i = 1; i <= emap.Extent(); ++i )
2765 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2767 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2768 while ( segIt->more() )
2770 const SMDS_MeshElement* seg = segIt->next();
2771 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2772 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2773 meshDS->RemoveFreeElement( seg, smDS );
2780 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2781 for (int i = 1; i <= emap.Extent(); i++)
2782 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2783 sm->SetIsAlwaysComputed( true );
2784 for (int i = 1; i <= pmap.Extent(); i++)
2785 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2786 if ( !sm->IsMeshComputed() )
2787 sm->SetIsAlwaysComputed( true );
2789 // Set error to FACE's w/o elements
2790 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2791 if ( _comment.empty() && status == STATUS_OK )
2793 err = COMPERR_WARNING;
2794 _comment = "No mesh elements assigned to a face";
2796 bool badFaceFound = false;
2797 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2799 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2800 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2801 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2803 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2804 badFaceFound = true;
2807 if ( err == COMPERR_WARNING )
2811 if ( status != STATUS_OK && !badFaceFound ) {
2815 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2817 if ( oldFEFlags > 0 )
2818 feenableexcept( oldFEFlags );
2819 feclearexcept( FE_ALL_EXCEPT );
2823 std::cout << "FacesWithSizeMap" << std::endl;
2824 FacesWithSizeMap.Statistics(std::cout);
2825 std::cout << "EdgesWithSizeMap" << std::endl;
2826 EdgesWithSizeMap.Statistics(std::cout);
2827 std::cout << "VerticesWithSizeMap" << std::endl;
2828 VerticesWithSizeMap.Statistics(std::cout);
2829 std::cout << "FacesWithEnforcedVertices" << std::endl;
2830 FacesWithEnforcedVertices.Statistics(std::cout);
2833 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2836 //================================================================================
2838 * \brief Terminates computation
2840 //================================================================================
2842 void BLSURFPlugin_BLSURF::CancelCompute()
2844 _compute_canceled = true;
2847 //=============================================================================
2851 //=============================================================================
2853 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS, const SMDS_MeshNode* node, const TopoDS_Shape& ed) {
2854 const TopoDS_Edge edge = TopoDS::Edge(ed);
2856 gp_Pnt pnt(node->X(), node->Y(), node->Z());
2858 Standard_Real p0 = 0.0;
2859 Standard_Real p1 = 1.0;
2860 TopLoc_Location loc;
2861 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
2862 if ( curve.IsNull() )
2864 // issue 22499. Node at a sphere apex
2865 meshDS->SetNodeOnEdge(node, edge, p0);
2869 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
2870 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
2873 if ( proj.NbPoints() > 0 )
2875 pa = (double)proj.LowerDistanceParameter();
2876 // Issue 0020656. Move node if it is too far from edge
2877 gp_Pnt curve_pnt = curve->Value( pa );
2878 double dist2 = pnt.SquareDistance( curve_pnt );
2879 double tol = BRep_Tool::Tolerance( edge );
2880 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
2882 curve_pnt.Transform( loc );
2883 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
2887 meshDS->SetNodeOnEdge(node, edge, pa);
2890 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
2892 * NOTE : if when your CAD systems evaluates second
2893 * order derivatives it also computes first order derivatives and
2894 * function evaluation, you can optimize this example by making only
2895 * one CAD call and filling the necessary uv, dt, dtt arrays.
2897 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
2899 /* t is given. It contains the t (time) 1D parametric coordintaes
2900 of the point PreCAD/MG-CADSurf is querying on the curve */
2902 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
2903 * (see cad_edge_new later in this example) */
2904 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
2907 /* MG-CADSurf is querying the function evaluation */
2910 uv[0]=P.X(); uv[1]=P.Y();
2914 /* query for the first order derivatives */
2917 dt[0]=V1.X(); dt[1]=V1.Y();
2921 /* query for the second order derivatives */
2924 dtt[0]=V2.X(); dtt[1]=V2.Y();
2930 /* Surface definition function.
2931 * See cad_surf_t in file meshgems/cad.h for more information.
2932 * NOTE : if when your CAD systems evaluates second order derivatives it also
2933 * computes first order derivatives and function evaluation, you can optimize
2934 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
2937 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
2938 real *duu, real *duv, real *dvv, void *user_data)
2940 /* uv[2] is given. It contains the u,v coordinates of the point
2941 * PreCAD/MG-CADSurf is querying on the surface */
2943 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
2944 * cad_face_new later in this example)*/
2945 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
2949 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
2950 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
2957 geometry->D1(uv[0],uv[1],P,D1U,D1V);
2958 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
2959 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
2962 if(duu && duv && dvv){
2966 gp_Vec D2U,D2V,D2UV;
2968 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
2969 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
2970 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
2971 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
2978 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
2980 TId2ClsAttractorVec::iterator f2attVec;
2981 if (FaceId2PythonSmp.count(face_id) != 0){
2982 assert(Py_IsInitialized());
2983 PyGILState_STATE gstate;
2984 gstate = PyGILState_Ensure();
2985 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
2987 if ( pyresult != NULL) {
2988 result = PyFloat_AsDouble(pyresult);
2989 Py_DECREF(pyresult);
2994 string err_description="";
2995 PyObject* new_stderr = newPyStdOut(err_description);
2996 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
2997 Py_INCREF(old_stderr);
2998 PySys_SetObject((char*)"stderr", new_stderr);
3000 PySys_SetObject((char*)"stderr", old_stderr);
3001 Py_DECREF(new_stderr);
3002 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3003 result = *((real*)user_data);
3006 PyGILState_Release(gstate);
3008 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3012 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3013 for ( size_t i = 0; i < attVec.size(); ++i )
3015 //result += attVec[i]->GetSize(uv[0],uv[1]);
3016 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3018 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3022 *size = *((real*)user_data);
3024 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3028 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3030 if (EdgeId2PythonSmp.count(edge_id) != 0){
3031 assert(Py_IsInitialized());
3032 PyGILState_STATE gstate;
3033 gstate = PyGILState_Ensure();
3034 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3036 if ( pyresult != NULL) {
3037 result = PyFloat_AsDouble(pyresult);
3038 Py_DECREF(pyresult);
3043 string err_description="";
3044 PyObject* new_stderr = newPyStdOut(err_description);
3045 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3046 Py_INCREF(old_stderr);
3047 PySys_SetObject((char*)"stderr", new_stderr);
3049 PySys_SetObject((char*)"stderr", old_stderr);
3050 Py_DECREF(new_stderr);
3051 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3052 result = *((real*)user_data);
3055 PyGILState_Release(gstate);
3058 *size = *((real*)user_data);
3063 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3065 if (VertexId2PythonSmp.count(point_id) != 0){
3066 assert(Py_IsInitialized());
3067 PyGILState_STATE gstate;
3068 gstate = PyGILState_Ensure();
3069 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3071 if ( pyresult != NULL) {
3072 result = PyFloat_AsDouble(pyresult);
3073 Py_DECREF(pyresult);
3078 string err_description="";
3079 PyObject* new_stderr = newPyStdOut(err_description);
3080 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3081 Py_INCREF(old_stderr);
3082 PySys_SetObject((char*)"stderr", new_stderr);
3084 PySys_SetObject((char*)"stderr", old_stderr);
3085 Py_DECREF(new_stderr);
3086 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3087 result = *((real*)user_data);
3090 PyGILState_Release(gstate);
3093 *size = *((real*)user_data);
3099 * The following function will be called for PreCAD/MG-CADSurf message
3100 * printing. See context_set_message_callback (later in this
3101 * template) for how to set user_data.
3103 status_t message_cb(message_t *msg, void *user_data)
3105 integer errnumber = 0;
3107 message_get_number(msg, &errnumber);
3108 message_get_description(msg, &desc);
3110 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3111 // Get all the error message and some warning messages related to license and periodicity
3112 if ( errnumber < 0 ||
3113 err.find("license" ) != string::npos ||
3114 err.find("periodicity") != string::npos )
3116 // remove ^A from the tail
3117 int len = strlen( desc );
3118 while (len > 0 && desc[len-1] != '\n')
3120 mcud->_error->append( desc, len );
3123 if ( errnumber == 3009001 )
3124 * mcud->_progress = atof( desc + 11 ) / 100.;
3125 if ( mcud->_verbosity > 0 )
3126 std::cout << desc << std::endl;
3131 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3132 * function regularily. See the file meshgems/interrupt.h
3134 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3136 integer you_want_to_continue = 1;
3137 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3138 you_want_to_continue = !tmp->computeCanceled();
3140 if(you_want_to_continue)
3142 *interrupt_status = INTERRUPT_CONTINUE;
3145 else /* you want to stop MG-CADSurf */
3147 *interrupt_status = INTERRUPT_STOP;
3148 return STATUS_ERROR;
3152 //=============================================================================
3156 //=============================================================================
3157 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3158 const TopoDS_Shape& aShape,
3159 MapShapeNbElems& aResMap)
3161 double diagonal = aMesh.GetShapeDiagonalSize();
3162 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3163 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3164 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3165 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3166 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3167 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3168 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
3170 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3171 _phySizeRel = _hypothesis->IsPhySizeRel();
3172 if ( _hypothesis->GetPhySize() > 0)
3173 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3174 //_geometricMesh = (int) hyp->GetGeometricMesh();
3175 if (_hypothesis->GetAngleMesh() > 0)
3176 _angleMesh = _hypothesis->GetAngleMesh();
3177 _quadAllowed = _hypothesis->GetQuadAllowed();
3179 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3180 // GetDefaultPhySize() sometimes leads to computation failure
3181 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3184 bool IsQuadratic = _quadraticMesh;
3189 TopTools_DataMapOfShapeInteger EdgesMap;
3190 double fullLen = 0.0;
3191 double fullNbSeg = 0;
3192 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3193 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3194 if( EdgesMap.IsBound(E) )
3196 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3197 double aLen = SMESH_Algo::EdgeLength(E);
3200 if(_physicalMesh==1) {
3201 nb1d = (int)( aLen/_phySize + 1 );
3206 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3207 double fullAng = 0.0;
3208 double dp = (l-f)/200;
3213 for(int j=2; j<=200; j++) {
3216 fullAng += fabs(V1.Angle(V2));
3220 nb1d = (int)( fullAng/_angleMesh + 1 );
3223 std::vector<int> aVec(SMDSEntity_Last);
3224 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3225 if( IsQuadratic > 0 ) {
3226 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3227 aVec[SMDSEntity_Quad_Edge] = nb1d;
3230 aVec[SMDSEntity_Node] = nb1d - 1;
3231 aVec[SMDSEntity_Edge] = nb1d;
3233 aResMap.insert(std::make_pair(sm,aVec));
3234 EdgesMap.Bind(E,nb1d);
3236 double ELen = fullLen/fullNbSeg;
3240 // try to evaluate as in MEFISTO
3241 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3242 TopoDS_Face F = TopoDS::Face( exp.Current() );
3243 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3245 BRepGProp::SurfaceProperties(F,G);
3246 double anArea = G.Mass();
3248 std::vector<int> nb1dVec;
3249 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3250 int nbSeg = EdgesMap.Find(exp1.Current());
3252 nb1dVec.push_back( nbSeg );
3255 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3256 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3259 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3261 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3263 nbNodes = (n1 + 1) * (n2 + 1);
3268 nbTria = nbQuad = nbTria / 3 + 1;
3271 std::vector<int> aVec(SMDSEntity_Last,0);
3273 int nb1d_in = (nbTria*3 - nb1d) / 2;
3274 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3275 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3276 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3279 aVec[SMDSEntity_Node] = nbNodes;
3280 aVec[SMDSEntity_Triangle] = nbTria;
3281 aVec[SMDSEntity_Quadrangle] = nbQuad;
3283 aResMap.insert(std::make_pair(sm,aVec));
3290 BRepGProp::VolumeProperties(aShape,G);
3291 double aVolume = G.Mass();
3292 double tetrVol = 0.1179*ELen*ELen*ELen;
3293 int nbVols = int(aVolume/tetrVol);
3294 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3295 std::vector<int> aVec(SMDSEntity_Last);
3296 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3298 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3299 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3302 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3303 aVec[SMDSEntity_Tetra] = nbVols;
3305 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3306 aResMap.insert(std::make_pair(sm,aVec));