1 // Copyright (C) 2007-2010 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.
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"
31 #include <distene/api.h>
32 #include <distene/blsurf.h>
35 #include <structmember.h>
38 #include <Basics_Utils.hxx>
40 #include <SMESH_Gen.hxx>
41 #include <SMESH_Mesh.hxx>
42 #include <SMESH_ControlsDef.hxx>
44 #include <utilities.h>
52 // OPENCASCADE includes
53 #include <BRep_Tool.hxx>
55 #include <TopExp_Explorer.hxx>
57 #include <NCollection_Map.hxx>
59 #include <Geom_Surface.hxx>
60 #include <Handle_Geom_Surface.hxx>
61 #include <Geom2d_Curve.hxx>
62 #include <Handle_Geom2d_Curve.hxx>
63 #include <Geom_Curve.hxx>
64 #include <Handle_Geom_Curve.hxx>
65 #include <Handle_AIS_InteractiveObject.hxx>
66 #include <TopoDS_Vertex.hxx>
67 #include <TopoDS_Edge.hxx>
68 #include <TopoDS_Wire.hxx>
69 #include <TopoDS_Face.hxx>
71 #include <gp_Pnt2d.hxx>
72 #include <TopTools_IndexedMapOfShape.hxx>
73 #include <TopoDS_Shape.hxx>
74 #include <BRep_Builder.hxx>
75 #include <BRepTools.hxx>
77 #include <TopTools_DataMapOfShapeInteger.hxx>
78 #include <GProp_GProps.hxx>
79 #include <BRepGProp.hxx>
85 #include <Standard_ErrorHandler.hxx>
86 #include <GeomAPI_ProjectPointOnCurve.hxx>
87 #include <GeomAPI_ProjectPointOnSurf.hxx>
90 // #include <BRepClass_FaceClassifier.hxx>
91 #include <TopTools_MapOfShape.hxx>
93 /* ==================================
94 * =========== PYTHON ==============
95 * ==================================*/
104 PyStdOut_dealloc(PyStdOut *self)
110 PyStdOut_write(PyStdOut *self, PyObject *args)
114 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
118 *(self->out)=*(self->out)+c;
124 static PyMethodDef PyStdOut_methods[] = {
125 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
126 PyDoc_STR("write(string) -> None")},
127 {NULL, NULL} /* sentinel */
130 static PyMemberDef PyStdOut_memberlist[] = {
131 {"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
132 "flag indicating that a space needs to be printed; used by print"},
133 {NULL} /* Sentinel */
136 static PyTypeObject PyStdOut_Type = {
137 /* The ob_type field must be initialized in the module init function
138 * to be portable to Windows without using C++. */
139 PyObject_HEAD_INIT(NULL)
142 sizeof(PyStdOut), /*tp_basicsize*/
145 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
152 0, /*tp_as_sequence*/
157 PyObject_GenericGetAttr, /*tp_getattro*/
158 /* softspace is writable: we must supply tp_setattro */
159 PyObject_GenericSetAttr, /* tp_setattro */
161 Py_TPFLAGS_DEFAULT, /*tp_flags*/
165 0, /*tp_richcompare*/
166 0, /*tp_weaklistoffset*/
169 PyStdOut_methods, /*tp_methods*/
170 PyStdOut_memberlist, /*tp_members*/
184 PyObject * newPyStdOut( std::string& out )
187 self = PyObject_New(PyStdOut, &PyStdOut_Type);
192 return (PyObject*)self;
196 ////////////////////////END PYTHON///////////////////////////
198 //////////////////MY MAPS////////////////////////////////////////
199 TopTools_IndexedMapOfShape FacesWithSizeMap;
200 std::map<int,string> FaceId2SizeMap;
201 TopTools_IndexedMapOfShape EdgesWithSizeMap;
202 std::map<int,string> EdgeId2SizeMap;
203 TopTools_IndexedMapOfShape VerticesWithSizeMap;
204 std::map<int,string> VertexId2SizeMap;
206 std::map<int,PyObject*> FaceId2PythonSmp;
207 std::map<int,PyObject*> EdgeId2PythonSmp;
208 std::map<int,PyObject*> VertexId2PythonSmp;
210 std::map<int,std::vector<double> > FaceId2AttractorCoords;
212 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
213 std::map< int, std::set< std::vector<double> > > FaceId2EnforcedVertexCoords;
215 bool HasSizeMapOnFace=false;
216 bool HasSizeMapOnEdge=false;
217 bool HasSizeMapOnVertex=false;
219 //=============================================================================
223 //=============================================================================
225 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId, int studyId,
227 : SMESH_2D_Algo(hypId, studyId, gen)
229 MESSAGE("BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF");
232 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
233 _compatibleHypothesis.push_back("BLSURF_Parameters");
234 _requireDescretBoundary = false;
235 _onlyUnaryInput = false;
238 smeshGen_i = SMESH_Gen_i::GetSMESHGen();
239 CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
240 SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
242 MESSAGE("studyid = " << _studyId);
245 myStudy = aStudyMgr->GetStudyByID(_studyId);
247 MESSAGE("myStudy->StudyId() = " << myStudy->StudyId());
249 /* Initialize the Python interpreter */
250 assert(Py_IsInitialized());
251 PyGILState_STATE gstate;
252 gstate = PyGILState_Ensure();
255 main_mod = PyImport_AddModule("__main__");
258 main_dict = PyModule_GetDict(main_mod);
260 PyRun_SimpleString("from math import *");
261 PyGILState_Release(gstate);
263 FacesWithSizeMap.Clear();
264 FaceId2SizeMap.clear();
265 EdgesWithSizeMap.Clear();
266 EdgeId2SizeMap.clear();
267 VerticesWithSizeMap.Clear();
268 VertexId2SizeMap.clear();
269 FaceId2PythonSmp.clear();
270 EdgeId2PythonSmp.clear();
271 VertexId2PythonSmp.clear();
272 FaceId2AttractorCoords.clear();
273 FacesWithEnforcedVertices.Clear();
274 FaceId2EnforcedVertexCoords.clear();
278 //=============================================================================
282 //=============================================================================
284 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
286 MESSAGE("BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF");
290 //=============================================================================
294 //=============================================================================
296 bool BLSURFPlugin_BLSURF::CheckHypothesis
298 const TopoDS_Shape& aShape,
299 SMESH_Hypothesis::Hypothesis_Status& aStatus)
303 list<const SMESHDS_Hypothesis*>::const_iterator itl;
304 const SMESHDS_Hypothesis* theHyp;
306 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape);
307 int nbHyp = hyps.size();
310 aStatus = SMESH_Hypothesis::HYP_OK;
311 return true; // can work with no hypothesis
315 theHyp = (*itl); // use only the first hypothesis
317 string hypName = theHyp->GetName();
319 if (hypName == "BLSURF_Parameters")
321 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
323 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
324 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
325 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
326 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
328 aStatus = SMESH_Hypothesis::HYP_OK;
331 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
333 return aStatus == SMESH_Hypothesis::HYP_OK;
336 //=============================================================================
338 * Pass parameters to BLSURF
340 //=============================================================================
342 inline std::string to_string(double d)
344 std::ostringstream o;
349 inline std::string to_string(int i)
351 std::ostringstream o;
356 double _smp_phy_size;
357 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
358 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
359 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
361 double my_u_min=1e6,my_v_min=1e6,my_u_max=-1e6,my_v_max=-1e6;
367 /////////////////////////////////////////////////////////
368 projectionPoint getProjectionPoint(const TopoDS_Face& face, const gp_XYZ& point)
370 projectionPoint myPoint;
371 Handle(Geom_Surface) surface = BRep_Tool::Surface(face);
372 GeomAPI_ProjectPointOnSurf projector( point, surface );
373 if ( !projector.IsDone() || projector.NbPoints()==0 )
374 throw "getProjectionPoint: Can't project";
376 Quantity_Parameter u,v;
377 projector.LowerDistanceParameters(u,v);
378 myPoint.uv = gp_XY(u,v);
379 gp_Pnt aPnt = projector.NearestPoint();
380 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
384 /////////////////////////////////////////////////////////
386 /////////////////////////////////////////////////////////
387 double getT(const TopoDS_Edge& edge, const gp_XYZ& point)
390 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, f,l);
391 GeomAPI_ProjectPointOnCurve projector( point, curve);
392 if ( projector.NbPoints() == 0 )
394 return projector.LowerDistanceParameter();
397 /////////////////////////////////////////////////////////
398 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
400 MESSAGE("BLSURFPlugin_BLSURF::entryToShape "<<entry );
401 GEOM::GEOM_Object_var aGeomObj;
402 TopoDS_Shape S = TopoDS_Shape();
403 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
404 SALOMEDS::GenericAttribute_var anAttr;
406 if (!aSObj->_is_nil() && aSObj->FindAttribute(anAttr, "AttributeIOR")) {
407 SALOMEDS::AttributeIOR_var anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
408 CORBA::String_var aVal = anIOR->Value();
409 CORBA::Object_var obj = myStudy->ConvertIORToObject(aVal);
410 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
412 if ( !aGeomObj->_is_nil() )
413 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
417 /////////////////////////////////////////////////////////
418 void createEnforcedVertexOnFace(TopoDS_Shape GeomShape, BLSURFPlugin_Hypothesis::TEnforcedVertexList enforcedVertexList)
421 std::vector<double> coords;
422 BLSURFPlugin_Hypothesis::TEnforcedVertex enforcedVertex;
423 BLSURFPlugin_Hypothesis::TEnforcedVertexList::const_iterator evlIt = enforcedVertexList.begin();
425 for( ; evlIt != enforcedVertexList.end() ; ++evlIt ) {
427 enforcedVertex = *evlIt;
428 xe = enforcedVertex[0];
429 ye = enforcedVertex[1];
430 ze = enforcedVertex[2];
431 MESSAGE("Enforced Vertex: " << xe << ", " << ye << ", " << ze);
432 // Get the (u,v) values of the enforced vertex on the face
433 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_XYZ(xe,ye,ze));
434 gp_XY uvPoint = myPoint.uv;
435 gp_XYZ xyzPoint = myPoint.xyz;
436 Standard_Real u0 = uvPoint.X();
437 Standard_Real v0 = uvPoint.Y();
438 Standard_Real x0 = xyzPoint.X();
439 Standard_Real y0 = xyzPoint.Y();
440 Standard_Real z0 = xyzPoint.Z();
441 MESSAGE("Projected Vertex: " << x0 << ", " << y0 << ", " << z0);
442 MESSAGE("Parametric coordinates: " << u0 << ", " << v0 );
443 coords.push_back(u0);
444 coords.push_back(v0);
445 coords.push_back(x0);
446 coords.push_back(y0);
447 coords.push_back(z0);
450 if (! FacesWithEnforcedVertices.Contains(TopoDS::Face(GeomShape))) {
451 key = FacesWithEnforcedVertices.Add(TopoDS::Face(GeomShape));
454 key = FacesWithEnforcedVertices.FindIndex(TopoDS::Face(GeomShape));
457 // If a node is already created by an attractor, do not create enforced vertex
458 int attractorKey = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
459 bool sameAttractor = false;
460 if (attractorKey >= 0)
461 if (FaceId2AttractorCoords.count(attractorKey) > 0)
462 if (FaceId2AttractorCoords[attractorKey] == coords)
463 sameAttractor = true;
465 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
466 MESSAGE("Map of enf. vertex has key " << key)
467 MESSAGE("Enf. vertex list size is: " << FaceId2EnforcedVertexCoords[key].size())
469 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
471 MESSAGE("An attractor node is already defined: I don't add the enforced vertex");
472 MESSAGE("New Enf. vertex list size is: " << FaceId2EnforcedVertexCoords[key].size())
475 MESSAGE("Map of enf. vertex has not key " << key << ": creating it")
476 if (! sameAttractor) {
477 std::set< std::vector<double> > ens;
479 FaceId2EnforcedVertexCoords[key] = ens;
482 MESSAGE("An attractor node is already defined: I don't add the enforced vertex");
487 /////////////////////////////////////////////////////////
488 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction)
490 MESSAGE("Attractor function: "<< AttractorFunction);
491 double xa, ya, za; // Coordinates of attractor point
492 double a, b; // Attractor parameter
493 bool createNode=false; // To create a node on attractor projection
495 const char *sep = ";";
496 // atIt->second has the following pattern:
497 // ATTRACTOR(xa;ya;za;a;b)
499 // xa;ya;za : coordinates of attractor
500 // a : desired size on attractor
501 // b : distance of influence of attractor
503 // We search the parameters in the string
505 pos1 = AttractorFunction.find(sep);
506 if (pos1!=string::npos)
507 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
509 pos2 = AttractorFunction.find(sep, pos1+1);
510 if (pos2!=string::npos) {
511 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
515 pos2 = AttractorFunction.find(sep, pos1+1);
516 if (pos2!=string::npos) {
517 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
521 pos2 = AttractorFunction.find(sep, pos1+1);
522 if (pos2!=string::npos) {
523 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
527 pos2 = AttractorFunction.find(sep, pos1+1);
528 if (pos2!=string::npos) {
529 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
533 pos2 = AttractorFunction.find(")");
534 if (pos2!=string::npos) {
535 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
536 MESSAGE("createNode: " << createNodeStr);
537 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
540 // Get the (u,v) values of the attractor on the face
541 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_XYZ(xa,ya,za));
542 gp_XY uvPoint = myPoint.uv;
543 gp_XYZ xyzPoint = myPoint.xyz;
544 Standard_Real u0 = uvPoint.X();
545 Standard_Real v0 = uvPoint.Y();
546 Standard_Real x0 = xyzPoint.X();
547 Standard_Real y0 = xyzPoint.Y();
548 Standard_Real z0 = xyzPoint.Z();
549 std::vector<double> coords;
550 coords.push_back(u0);
551 coords.push_back(v0);
552 coords.push_back(x0);
553 coords.push_back(y0);
554 coords.push_back(z0);
555 // We construct the python function
556 ostringstream attractorFunctionStream;
557 attractorFunctionStream << "def f(u,v): return ";
558 attractorFunctionStream << _smp_phy_size << "-(" << _smp_phy_size <<"-" << a << ")";
559 attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
561 MESSAGE("Python function for attractor:" << std::endl << attractorFunctionStream.str());
564 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
565 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
568 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
570 FaceId2SizeMap[key] =attractorFunctionStream.str();
572 MESSAGE("Creating node on ("<<x0<<","<<y0<<","<<z0<<")");
573 FaceId2AttractorCoords[key] = coords;
577 /////////////////////////////////////////////////////////
579 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
580 blsurf_session_t * bls,
583 int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
584 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
585 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize();
586 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
587 double _angleMeshS = BLSURFPlugin_Hypothesis::GetDefaultAngleMeshS();
588 double _angleMeshC = BLSURFPlugin_Hypothesis::GetDefaultAngleMeshC();
589 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
590 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
591 bool _decimesh = BLSURFPlugin_Hypothesis::GetDefaultDecimesh();
592 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
595 MESSAGE("BLSURFPlugin_BLSURF::SetParameters");
596 _topology = (int) hyp->GetTopology();
597 _physicalMesh = (int) hyp->GetPhysicalMesh();
598 _phySize = hyp->GetPhySize();
599 _geometricMesh = (int) hyp->GetGeometricMesh();
600 _angleMeshS = hyp->GetAngleMeshS();
601 _angleMeshC = hyp->GetAngleMeshC();
602 _gradation = hyp->GetGradation();
603 _quadAllowed = hyp->GetQuadAllowed();
604 _decimesh = hyp->GetDecimesh();
605 _verb = hyp->GetVerbosity();
607 if ( hyp->GetPhyMin() != ::BLSURFPlugin_Hypothesis::undefinedDouble() )
608 blsurf_set_param(bls, "hphymin", to_string(hyp->GetPhyMin()).c_str());
609 if ( hyp->GetPhyMax() != ::BLSURFPlugin_Hypothesis::undefinedDouble() )
610 blsurf_set_param(bls, "hphymax", to_string(hyp->GetPhyMax()).c_str());
611 if ( hyp->GetGeoMin() != ::BLSURFPlugin_Hypothesis::undefinedDouble() )
612 blsurf_set_param(bls, "hgeomin", to_string(hyp->GetGeoMin()).c_str());
613 if ( hyp->GetGeoMax() != ::BLSURFPlugin_Hypothesis::undefinedDouble() )
614 blsurf_set_param(bls, "hgeomax", to_string(hyp->GetGeoMax()).c_str());
616 const BLSURFPlugin_Hypothesis::TOptionValues & opts = hyp->GetOptionValues();
617 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
618 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt )
619 if ( !opIt->second.empty() ) {
620 MESSAGE("blsurf_set_param(): " << opIt->first << " = " << opIt->second);
621 blsurf_set_param(bls, opIt->first.c_str(), opIt->second.c_str());
625 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
626 // GetDefaultPhySize() sometimes leads to computation failure
627 _phySize = mesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
628 MESSAGE("BLSURFPlugin_BLSURF::SetParameters using defaults");
630 _smp_phy_size = _phySize;
631 blsurf_set_param(bls, "topo_points", _topology > 0 ? "1" : "0");
632 blsurf_set_param(bls, "topo_curves", _topology > 0 ? "1" : "0");
633 blsurf_set_param(bls, "topo_project", _topology > 0 ? "1" : "0");
634 blsurf_set_param(bls, "clean_boundary", _topology > 1 ? "1" : "0");
635 blsurf_set_param(bls, "close_boundary", _topology > 1 ? "1" : "0");
636 blsurf_set_param(bls, "hphy_flag", to_string(_physicalMesh).c_str());
637 // blsurf_set_param(bls, "hphy_flag", "2");
638 if ((to_string(_physicalMesh))=="2"){
639 TopoDS_Shape GeomShape;
640 TopAbs_ShapeEnum GeomType;
642 // Standard Size Maps
644 MESSAGE("Setting a Size Map");
645 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
646 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
647 for ( ; smIt != sizeMaps.end(); ++smIt ) {
648 if ( !smIt->second.empty() ) {
649 MESSAGE("blsurf_set_sizeMap(): " << smIt->first << " = " << smIt->second);
650 GeomShape = entryToShape(smIt->first);
651 GeomType = GeomShape.ShapeType();
652 MESSAGE("Geomtype is " << GeomType);
655 if (GeomType == TopAbs_COMPOUND){
656 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
658 if (it.Value().ShapeType() == TopAbs_FACE){
659 HasSizeMapOnFace = true;
660 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
661 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
664 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
665 // MESSAGE("Face with key " << key << " already in map");
667 FaceId2SizeMap[key] = smIt->second;
670 if (it.Value().ShapeType() == TopAbs_EDGE){
671 HasSizeMapOnEdge = true;
672 HasSizeMapOnFace = true;
673 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
674 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
677 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
678 // MESSAGE("Edge with key " << key << " already in map");
680 EdgeId2SizeMap[key] = smIt->second;
683 if (it.Value().ShapeType() == TopAbs_VERTEX){
684 HasSizeMapOnVertex = true;
685 HasSizeMapOnEdge = true;
686 HasSizeMapOnFace = true;
687 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
688 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
691 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
692 MESSAGE("Group of vertices with key " << key << " already in map");
694 MESSAGE("Group of vertices with key " << key << " has a size map: " << smIt->second);
695 VertexId2SizeMap[key] = smIt->second;
700 if (GeomType == TopAbs_FACE){
701 HasSizeMapOnFace = true;
702 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
703 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
706 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
707 // MESSAGE("Face with key " << key << " already in map");
709 FaceId2SizeMap[key] = smIt->second;
712 if (GeomType == TopAbs_EDGE){
713 HasSizeMapOnEdge = true;
714 HasSizeMapOnFace = true;
715 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
716 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
719 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
720 // MESSAGE("Edge with key " << key << " already in map");
722 EdgeId2SizeMap[key] = smIt->second;
725 if (GeomType == TopAbs_VERTEX){
726 HasSizeMapOnVertex = true;
727 HasSizeMapOnEdge = true;
728 HasSizeMapOnFace = true;
729 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
730 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
733 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
734 MESSAGE("Vertex with key " << key << " already in map");
736 MESSAGE("Vertex with key " << key << " has a size map: " << smIt->second);
737 VertexId2SizeMap[key] = smIt->second;
745 MESSAGE("Setting Attractors");
746 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
747 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
748 for ( ; atIt != attractors.end(); ++atIt ) {
749 if ( !atIt->second.empty() ) {
750 MESSAGE("blsurf_set_attractor(): " << atIt->first << " = " << atIt->second);
751 GeomShape = entryToShape(atIt->first);
752 GeomType = GeomShape.ShapeType();
754 if (GeomType == TopAbs_COMPOUND){
755 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
756 if (it.Value().ShapeType() == TopAbs_FACE){
757 HasSizeMapOnFace = true;
758 createAttractorOnFace(it.Value(), atIt->second);
763 if (GeomType == TopAbs_FACE){
764 HasSizeMapOnFace = true;
765 createAttractorOnFace(GeomShape, atIt->second);
768 if (GeomType == TopAbs_EDGE){
769 HasSizeMapOnEdge = true;
770 HasSizeMapOnFace = true;
771 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
773 if (GeomType == TopAbs_VERTEX){
774 HasSizeMapOnVertex = true;
775 HasSizeMapOnEdge = true;
776 HasSizeMapOnFace = true;
777 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
787 MESSAGE("Setting Enforced Vertices");
788 const BLSURFPlugin_Hypothesis::TEnforcedVertexMap enforcedVertexMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVertices(hyp);
789 BLSURFPlugin_Hypothesis::TEnforcedVertexMap::const_iterator enfIt = enforcedVertexMap.begin();
790 for ( ; enfIt != enforcedVertexMap.end(); ++enfIt ) {
791 if ( !enfIt->second.empty() ) {
792 GeomShape = entryToShape(enfIt->first);
793 GeomType = GeomShape.ShapeType();
795 if (GeomType == TopAbs_COMPOUND){
796 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
797 if (it.Value().ShapeType() == TopAbs_FACE){
798 HasSizeMapOnFace = true;
799 createEnforcedVertexOnFace(it.Value(), enfIt->second);
804 if (GeomType == TopAbs_FACE){
805 HasSizeMapOnFace = true;
806 createEnforcedVertexOnFace(GeomShape, enfIt->second);
811 // if (HasSizeMapOnFace){
812 // In all size map cases (hphy_flag = 2), at least map on face must be defined
813 MESSAGE("Setting Size Map on FACES ");
814 blsurf_data_set_sizemap_iso_cad_face(bls, size_on_surface, &_smp_phy_size);
817 if (HasSizeMapOnEdge){
818 MESSAGE("Setting Size Map on EDGES ");
819 blsurf_data_set_sizemap_iso_cad_edge(bls, size_on_edge, &_smp_phy_size);
821 if (HasSizeMapOnVertex){
822 MESSAGE("Setting Size Map on VERTICES ");
823 blsurf_data_set_sizemap_iso_cad_point(bls, size_on_vertex, &_smp_phy_size);
826 blsurf_set_param(bls, "hphydef", to_string(_phySize).c_str());
827 blsurf_set_param(bls, "hgeo_flag", to_string(_geometricMesh).c_str());
828 blsurf_set_param(bls, "relax_size", _decimesh ? "0": to_string(_geometricMesh).c_str());
829 blsurf_set_param(bls, "angle_meshs", to_string(_angleMeshS).c_str());
830 blsurf_set_param(bls, "angle_meshc", to_string(_angleMeshC).c_str());
831 blsurf_set_param(bls, "gradation", to_string(_gradation).c_str());
832 blsurf_set_param(bls, "patch_independent", _decimesh ? "1" : "0");
833 blsurf_set_param(bls, "element", _quadAllowed ? "q1.0" : "p1");
834 blsurf_set_param(bls, "verb", to_string(_verb).c_str());
837 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
838 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
839 real *duu, real *duv, real *dvv, void *user_data);
840 status_t message_cb(message_t *msg, void *user_data);
841 status_t interrupt_cb(integer *interrupt_status, void *user_data);
843 //=============================================================================
847 //=============================================================================
849 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape) {
851 MESSAGE("BLSURFPlugin_BLSURF::Compute");
853 // if (aShape.ShapeType() == TopAbs_COMPOUND) {
854 // MESSAGE(" the shape is a COMPOUND");
857 // MESSAGE(" the shape is UNKNOWN");
860 // Fix problem with locales
861 Kernel_Utils::Localizer loc;
863 /* create a distene context (generic object) */
864 status_t status = STATUS_ERROR;
866 context_t *ctx = context_new();
868 /* Set the message callback in the working context */
869 context_set_message_callback(ctx, message_cb, &_comment);
870 context_set_interrupt_callback(ctx, interrupt_cb, NULL);
872 /* create the CAD object we will work on. It is associated to the context ctx. */
873 cad_t *c = cad_new(ctx);
875 blsurf_session_t *bls = blsurf_session_new(ctx);
877 FacesWithSizeMap.Clear();
878 FaceId2SizeMap.clear();
879 EdgesWithSizeMap.Clear();
880 EdgeId2SizeMap.clear();
881 VerticesWithSizeMap.Clear();
882 VertexId2SizeMap.clear();
884 MESSAGE("BEGIN SetParameters");
885 SetParameters(_hypothesis, bls, aMesh);
886 MESSAGE("END SetParameters");
888 /* Now fill the CAD object with data from your CAD
889 * environement. This is the most complex part of a successfull
893 // needed to prevent the opencascade memory managmement from freeing things
894 vector<Handle(Geom2d_Curve)> curves;
895 vector<Handle(Geom_Surface)> surfaces;
900 TopTools_IndexedMapOfShape fmap;
901 TopTools_IndexedMapOfShape emap;
902 TopTools_IndexedMapOfShape pmap;
905 FaceId2PythonSmp.clear();
907 EdgeId2PythonSmp.clear();
909 VertexId2PythonSmp.clear();
911 assert(Py_IsInitialized());
912 PyGILState_STATE gstate;
913 gstate = PyGILState_Ensure();
915 string theSizeMapStr;
917 /****************************************************************************************
919 *****************************************************************************************/
921 string bad_end = "return";
923 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next()) {
924 TopoDS_Face f=TopoDS::Face(face_iter.Current());
926 if (fmap.FindIndex(f) > 0)
931 surfaces.push_back(BRep_Tool::Surface(f));
933 /* create an object representing the face for blsurf */
934 /* where face_id is an integer identifying the face.
935 * surf_function is the function that defines the surface
936 * (For this face, it will be called by blsurf with your_face_object_ptr
939 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
941 /* by default a face has no tag (color). The following call sets it to the same value as the face_id : */
942 cad_face_set_tag(fce, iface);
944 /* Set face orientation (optional if you want a well oriented output mesh)*/
945 if(f.Orientation() != TopAbs_FORWARD){
946 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
948 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
951 if (HasSizeMapOnFace){
952 std::cout << "A size map is defined on a face" << std::endl;
954 faceKey = FacesWithSizeMap.FindIndex(f);
956 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end()){
957 theSizeMapStr = FaceId2SizeMap[faceKey];
958 // check if function ends with "return"
959 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
961 // Expr To Python function, verification is performed at validation in GUI
962 PyObject * obj = NULL;
963 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
965 PyObject * func = NULL;
966 func = PyObject_GetAttrString(main_mod, "f");
967 FaceId2PythonSmp[iface]=func;
968 FaceId2SizeMap.erase(faceKey);
971 // Specific size map = Attractor
972 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
974 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
975 if (attractor_iter->first == faceKey) {
976 MESSAGE("Face indice: " << iface);
977 MESSAGE("Adding attractor");
979 double xyzCoords[3] = {attractor_iter->second[2],
980 attractor_iter->second[3],
981 attractor_iter->second[4]};
983 MESSAGE("Check position of vertex =(" << xyzCoords[0] << "," << xyzCoords[1] << "," << xyzCoords[2] << ")");
984 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
985 BRepClass_FaceClassifier scl(f,P,1e-7);
986 // scl.Perform() is bugged. The function was rewritten
988 BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
989 TopAbs_State result = scl.State();
990 MESSAGE("Position of point on face: "<<result);
991 if ( result == TopAbs_OUT )
992 MESSAGE("Point is out of face: node is not created");
993 if ( result == TopAbs_UNKNOWN )
994 MESSAGE("Point position on face is unknown: node is not created");
995 if ( result == TopAbs_ON )
996 MESSAGE("Point is on border of face: node is not created");
997 if ( result == TopAbs_IN )
999 // Point is inside face and not on border
1000 MESSAGE("Point is in face: node is created");
1001 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
1003 MESSAGE("Add cad point on (u,v)=(" << uvCoords[0] << "," << uvCoords[1] << ") with id = " << iatt);
1004 cad_point_t* point_p = cad_point_new(fce, iatt, uvCoords);
1005 cad_point_set_tag(point_p, iatt);
1007 FaceId2AttractorCoords.erase(faceKey);
1011 // Enforced Vertices
1012 faceKey = FacesWithEnforcedVertices.FindIndex(f);
1013 std::map<int,std::set<std::vector<double> > >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
1014 if (evmIt != FaceId2EnforcedVertexCoords.end()) {
1015 std::cout << "Some enforced vertices are defined" << std::endl;
1017 std::set<std::vector<double> > evl;
1018 // std::vector<double> ev;
1019 MESSAGE("Face indice: " << iface);
1020 MESSAGE("Adding enforced vertices");
1021 evl = evmIt->second;
1022 MESSAGE("Number of vertices to add: "<< evl.size());
1023 std::set< std::vector<double> >::const_iterator evlIt = evl.begin();
1024 for (; evlIt != evl.end(); ++evlIt) {
1026 // for (int i=0; i<evl.size() ; i++) {
1029 // double xyzCoords[3] = {ev[2], ev[3], ev[4]};
1030 double xyzCoords[3] = {evlIt->at(2), evlIt->at(3), evlIt->at(4)};
1031 MESSAGE("Check position of vertex =(" << xyzCoords[0] << "," << xyzCoords[1] << "," << xyzCoords[2] << ")");
1032 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
1033 BRepClass_FaceClassifier scl(f,P,1e-7);
1034 // scl.Perform() is bugged. The function was rewritten
1036 BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
1037 TopAbs_State result = scl.State();
1038 MESSAGE("Position of point on face: "<<result);
1039 if ( result == TopAbs_OUT )
1040 MESSAGE("Point is out of face: node is not created");
1041 if ( result == TopAbs_UNKNOWN )
1042 MESSAGE("Point position on face is unknown: node is not created");
1043 if ( result == TopAbs_ON )
1044 MESSAGE("Point is on border of face: node is not created");
1045 if ( result == TopAbs_IN )
1047 // Point is inside face and not on border
1048 MESSAGE("Point is in face: node is created");
1049 // double uvCoords[2] = {ev[0],ev[1]};
1050 double uvCoords[2] = {evlIt->at(0),evlIt->at(1)};
1052 MESSAGE("Add cad point on (u,v)=(" << uvCoords[0] << "," << uvCoords[1] << ") with id = " << ienf);
1053 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
1054 cad_point_set_tag(point_p, ienf);
1057 FaceId2EnforcedVertexCoords.erase(faceKey);
1060 std::cout << "No enforced vertex defined" << std::endl;
1064 /****************************************************************************************
1066 now create the edges associated to this face
1067 *****************************************************************************************/
1069 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next()) {
1070 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
1071 int ic = emap.FindIndex(e);
1076 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
1078 if (HasSizeMapOnEdge){
1079 edgeKey = EdgesWithSizeMap.FindIndex(e);
1080 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end()) {
1081 MESSAGE("Sizemap defined on edge with index " << edgeKey);
1082 theSizeMapStr = EdgeId2SizeMap[edgeKey];
1083 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
1085 // Expr To Python function, verification is performed at validation in GUI
1086 PyObject * obj = NULL;
1087 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
1089 PyObject * func = NULL;
1090 func = PyObject_GetAttrString(main_mod, "f");
1091 EdgeId2PythonSmp[ic]=func;
1092 EdgeId2SizeMap.erase(edgeKey);
1096 /* attach the edge to the current blsurf face */
1097 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
1099 /* by default an edge has no tag (color). The following call sets it to the same value as the edge_id : */
1100 cad_edge_set_tag(edg, ic);
1102 /* by default, an edge does not necessalry appear in the resulting mesh,
1103 unless the following property is set :
1105 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
1107 /* by default an edge is a boundary edge */
1108 if (e.Orientation() == TopAbs_INTERNAL)
1109 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
1113 gp_Pnt2d e0 = curves.back()->Value(tmin);
1114 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
1115 Standard_Real d1=0,d2=0;
1118 /****************************************************************************************
1120 *****************************************************************************************/
1122 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
1123 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
1127 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
1130 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
1132 *ip = pmap.FindIndex(v);
1136 //vertexKey = VerticesWithSizeMap.FindIndex(v);
1137 if (HasSizeMapOnVertex){
1138 vertexKey = VerticesWithSizeMap.FindIndex(v);
1139 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
1140 theSizeMapStr = VertexId2SizeMap[vertexKey];
1141 //MESSAGE("VertexId2SizeMap[faceKey]: " << VertexId2SizeMap[vertexKey]);
1142 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
1144 // Expr To Python function, verification is performed at validation in GUI
1145 PyObject * obj = NULL;
1146 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
1148 PyObject * func = NULL;
1149 func = PyObject_GetAttrString(main_mod, "f");
1150 VertexId2PythonSmp[*ip]=func;
1151 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
1156 // should not happen
1157 MESSAGE("An edge does not have 2 extremities.");
1160 // This defines the curves extremity connectivity
1161 cad_edge_set_extremities(edg, ip1, ip2);
1162 /* set the tag (color) to the same value as the extremity id : */
1163 cad_edge_set_extremities_tag(edg, ip1, ip2);
1166 cad_edge_set_extremities(edg, ip2, ip1);
1167 cad_edge_set_extremities_tag(edg, ip2, ip1);
1174 PyGILState_Release(gstate);
1176 blsurf_data_set_cad(bls, c);
1178 std::cout << std::endl;
1179 std::cout << "Beginning of Surface Mesh generation" << std::endl;
1180 std::cout << std::endl;
1182 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1184 feclearexcept( FE_ALL_EXCEPT );
1185 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1191 status = blsurf_compute_mesh(bls);
1194 catch ( std::exception& exc ) {
1195 _comment += exc.what();
1197 catch (Standard_Failure& ex) {
1198 _comment += ex.DynamicType()->Name();
1199 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
1201 _comment += ex.GetMessageString();
1205 if ( _comment.empty() )
1206 _comment = "Exception in blsurf_compute_mesh()";
1208 if ( status != STATUS_OK) {
1209 // There was an error while meshing
1210 blsurf_session_delete(bls);
1212 context_delete(ctx);
1214 return error(_comment);
1217 std::cout << std::endl;
1218 std::cout << "End of Surface Mesh generation" << std::endl;
1219 std::cout << std::endl;
1222 blsurf_data_get_mesh(bls, &msh);
1224 blsurf_session_delete(bls);
1226 context_delete(ctx);
1228 return error(_comment);
1232 /* retrieve mesh data (see distene/mesh.h) */
1233 integer nv, ne, nt, nq, vtx[4], tag;
1236 mesh_get_vertex_count(msh, &nv);
1237 mesh_get_edge_count(msh, &ne);
1238 mesh_get_triangle_count(msh, &nt);
1239 mesh_get_quadrangle_count(msh, &nq);
1242 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1243 SMDS_MeshNode** nodes = new SMDS_MeshNode*[nv+1];
1244 bool* tags = new bool[nv+1];
1246 /* enumerated vertices */
1247 for(int iv=1;iv<=nv;iv++) {
1248 mesh_get_vertex_coordinates(msh, iv, xyz);
1249 mesh_get_vertex_tag(msh, iv, &tag);
1250 // Issue 0020656. Use vertex coordinates
1251 if ( tag > 0 && tag <= pmap.Extent() ) {
1252 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
1253 double tol = BRep_Tool::Tolerance( v );
1254 gp_Pnt p = BRep_Tool::Pnt( v );
1255 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
1256 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
1258 tag = 0; // enforced or attracted vertex
1260 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
1261 // internal point are tagged to zero
1262 if(tag > 0 && tag <= pmap.Extent() ){
1263 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
1270 /* enumerate edges */
1271 for(int it=1;it<=ne;it++) {
1272 mesh_get_edge_vertices(msh, it, vtx);
1273 SMDS_MeshEdge* edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
1274 mesh_get_edge_tag(msh, it, &tag);
1277 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
1278 tags[vtx[0]] = false;
1281 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
1282 tags[vtx[1]] = false;
1284 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
1288 /* enumerate triangles */
1289 for(int it=1;it<=nt;it++) {
1290 mesh_get_triangle_vertices(msh, it, vtx);
1291 SMDS_MeshFace* tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
1292 mesh_get_triangle_tag(msh, it, &tag);
1293 meshDS->SetMeshElementOnShape(tri, TopoDS::Face(fmap(tag)));
1295 meshDS->SetNodeOnFace(nodes[vtx[0]], TopoDS::Face(fmap(tag)));
1296 tags[vtx[0]] = false;
1299 meshDS->SetNodeOnFace(nodes[vtx[1]], TopoDS::Face(fmap(tag)));
1300 tags[vtx[1]] = false;
1303 meshDS->SetNodeOnFace(nodes[vtx[2]], TopoDS::Face(fmap(tag)));
1304 tags[vtx[2]] = false;
1308 /* enumerate quadrangles */
1309 for(int it=1;it<=nq;it++) {
1310 mesh_get_quadrangle_vertices(msh, it, vtx);
1311 SMDS_MeshFace* quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
1312 mesh_get_quadrangle_tag(msh, it, &tag);
1313 meshDS->SetMeshElementOnShape(quad, TopoDS::Face(fmap(tag)));
1315 meshDS->SetNodeOnFace(nodes[vtx[0]], TopoDS::Face(fmap(tag)));
1316 tags[vtx[0]] = false;
1319 meshDS->SetNodeOnFace(nodes[vtx[1]], TopoDS::Face(fmap(tag)));
1320 tags[vtx[1]] = false;
1323 meshDS->SetNodeOnFace(nodes[vtx[2]], TopoDS::Face(fmap(tag)));
1324 tags[vtx[2]] = false;
1327 meshDS->SetNodeOnFace(nodes[vtx[3]], TopoDS::Face(fmap(tag)));
1328 tags[vtx[3]] = false;
1334 /* release the mesh object */
1335 blsurf_data_regain_mesh(bls, msh);
1337 /* clean up everything */
1338 blsurf_session_delete(bls);
1341 context_delete(ctx);
1343 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1345 if ( oldFEFlags > 0 )
1346 feenableexcept( oldFEFlags );
1347 feclearexcept( FE_ALL_EXCEPT );
1351 std::cout << "FacesWithSizeMap" << std::endl;
1352 FacesWithSizeMap.Statistics(std::cout);
1353 std::cout << "EdgesWithSizeMap" << std::endl;
1354 EdgesWithSizeMap.Statistics(std::cout);
1355 std::cout << "VerticesWithSizeMap" << std::endl;
1356 VerticesWithSizeMap.Statistics(std::cout);
1357 std::cout << "FacesWithEnforcedVertices" << std::endl;
1358 FacesWithEnforcedVertices.Statistics(std::cout);
1364 //=============================================================================
1368 //=============================================================================
1370 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS, SMDS_MeshNode* node, const TopoDS_Shape& ed) {
1371 const TopoDS_Edge edge = TopoDS::Edge(ed);
1373 gp_Pnt pnt(node->X(), node->Y(), node->Z());
1375 Standard_Real p0 = 0.0;
1376 Standard_Real p1 = 1.0;
1377 TopLoc_Location loc;
1378 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
1380 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
1381 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
1384 if ( proj.NbPoints() > 0 )
1386 pa = (double)proj.LowerDistanceParameter();
1387 // Issue 0020656. Move node if it is too far from edge
1388 gp_Pnt curve_pnt = curve->Value( pa );
1389 double dist2 = pnt.SquareDistance( curve_pnt );
1390 double tol = BRep_Tool::Tolerance( edge );
1391 if ( 1e-12 < dist2 && dist2 <= 2*tol*tol ) // large enough and within tolerance
1393 curve_pnt.Transform( loc );
1394 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
1397 // GProp_GProps LProps;
1398 // BRepGProp::LinearProperties(ed, LProps);
1399 // double lg = (double)LProps.Mass();
1401 meshDS->SetNodeOnEdge(node, edge, pa);
1404 //=============================================================================
1408 //=============================================================================
1410 ostream & BLSURFPlugin_BLSURF::SaveTo(ostream & save)
1415 //=============================================================================
1419 //=============================================================================
1421 istream & BLSURFPlugin_BLSURF::LoadFrom(istream & load)
1426 //=============================================================================
1430 //=============================================================================
1432 ostream & operator << (ostream & save, BLSURFPlugin_BLSURF & hyp)
1434 return hyp.SaveTo( save );
1437 //=============================================================================
1441 //=============================================================================
1443 istream & operator >> (istream & load, BLSURFPlugin_BLSURF & hyp)
1445 return hyp.LoadFrom( load );
1448 /* Curve definition function See cad_curv_t in file distene/cad.h for
1450 * NOTE : if when your CAD systems evaluates second
1451 * order derivatives it also computes first order derivatives and
1452 * function evaluation, you can optimize this example by making only
1453 * one CAD call and filling the necessary uv, dt, dtt arrays.
1455 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
1457 /* t is given. It contains the t (time) 1D parametric coordintaes
1458 of the point PreCAD/BLSurf is querying on the curve */
1460 /* user_data identifies the edge PreCAD/BLSurf is querying
1461 * (see cad_edge_new later in this example) */
1462 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
1465 /* BLSurf is querying the function evaluation */
1468 uv[0]=P.X(); uv[1]=P.Y();
1472 /* query for the first order derivatives */
1475 dt[0]=V1.X(); dt[1]=V1.Y();
1479 /* query for the second order derivatives */
1482 dtt[0]=V2.X(); dtt[1]=V2.Y();
1488 /* Surface definition function.
1489 * See cad_surf_t in file distene/cad.h for more information.
1490 * NOTE : if when your CAD systems evaluates second order derivatives it also
1491 * computes first order derivatives and function evaluation, you can optimize
1492 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
1495 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1496 real *duu, real *duv, real *dvv, void *user_data)
1498 /* uv[2] is given. It contains the u,v coordinates of the point
1499 * PreCAD/BLSurf is querying on the surface */
1501 /* user_data identifies the face PreCAD/BLSurf is querying (see
1502 * cad_face_new later in this example)*/
1503 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
1507 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
1508 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
1515 geometry->D1(uv[0],uv[1],P,D1U,D1V);
1516 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
1517 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
1520 if(duu && duv && dvv){
1524 gp_Vec D2U,D2V,D2UV;
1526 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
1527 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
1528 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
1529 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
1536 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
1539 if (my_u_min > uv[0]) {
1542 if (my_v_min > uv[1]) {
1545 if (my_u_max < uv[0]) {
1548 if (my_v_max < uv[1]) {
1553 if (FaceId2PythonSmp.count(face_id) != 0){
1554 PyObject * pyresult = NULL;
1555 PyObject* new_stderr = NULL;
1556 assert(Py_IsInitialized());
1557 PyGILState_STATE gstate;
1558 gstate = PyGILState_Ensure();
1559 pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],"(f,f)",uv[0],uv[1]);
1561 if ( pyresult == NULL){
1563 string err_description="";
1564 new_stderr = newPyStdOut(err_description);
1565 PySys_SetObject("stderr", new_stderr);
1567 PySys_SetObject("stderr", PySys_GetObject("__stderr__"));
1568 Py_DECREF(new_stderr);
1569 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
1570 result = *((double*)user_data);
1573 result = PyFloat_AsDouble(pyresult);
1574 Py_DECREF(pyresult);
1577 //MESSAGE("f(" << uv[0] << "," << uv[1] << ")" << " = " << result);
1578 PyGILState_Release(gstate);
1581 *size = *((double*)user_data);
1586 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
1588 if (EdgeId2PythonSmp.count(edge_id) != 0){
1589 PyObject * pyresult = NULL;
1590 PyObject* new_stderr = NULL;
1591 assert(Py_IsInitialized());
1592 PyGILState_STATE gstate;
1593 gstate = PyGILState_Ensure();
1594 pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],"(f)",t);
1596 if ( pyresult == NULL){
1598 string err_description="";
1599 new_stderr = newPyStdOut(err_description);
1600 PySys_SetObject("stderr", new_stderr);
1602 PySys_SetObject("stderr", PySys_GetObject("__stderr__"));
1603 Py_DECREF(new_stderr);
1604 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
1605 result = *((double*)user_data);
1608 result = PyFloat_AsDouble(pyresult);
1609 Py_DECREF(pyresult);
1612 PyGILState_Release(gstate);
1615 *size = *((double*)user_data);
1620 status_t size_on_vertex(integer point_id, real *size, void *user_data)
1622 if (VertexId2PythonSmp.count(point_id) != 0){
1623 PyObject * pyresult = NULL;
1624 PyObject* new_stderr = NULL;
1625 assert(Py_IsInitialized());
1626 PyGILState_STATE gstate;
1627 gstate = PyGILState_Ensure();
1628 pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],"");
1630 if ( pyresult == NULL){
1632 string err_description="";
1633 new_stderr = newPyStdOut(err_description);
1634 PySys_SetObject("stderr", new_stderr);
1636 PySys_SetObject("stderr", PySys_GetObject("__stderr__"));
1637 Py_DECREF(new_stderr);
1638 MESSAGE("Can't evaluate f()" << " error is " << err_description);
1639 result = *((double*)user_data);
1642 result = PyFloat_AsDouble(pyresult);
1643 Py_DECREF(pyresult);
1646 PyGILState_Release(gstate);
1649 *size = *((double*)user_data);
1655 * The following function will be called for PreCAD/BLSurf message
1656 * printing. See context_set_message_callback (later in this
1657 * template) for how to set user_data.
1659 status_t message_cb(message_t *msg, void *user_data)
1661 integer errnumber = 0;
1663 message_get_number(msg, &errnumber);
1664 message_get_description(msg, &desc);
1665 if ( errnumber < 0 ) {
1666 string * error = (string*)user_data;
1667 // if ( !error->empty() )
1669 // remove ^A from the tail
1670 int len = strlen( desc );
1671 while (len > 0 && desc[len-1] != '\n')
1673 error->append( desc, len );
1676 std::cout << desc << std::endl;
1681 /* This is the interrupt callback. PreCAD/BLSurf will call this
1682 * function regularily. See the file distene/interrupt.h
1684 status_t interrupt_cb(integer *interrupt_status, void *user_data)
1686 integer you_want_to_continue = 1;
1688 if(you_want_to_continue)
1689 *interrupt_status = INTERRUPT_CONTINUE;
1690 else /* you want to stop BLSurf */
1691 *interrupt_status = INTERRUPT_STOP;
1696 //=============================================================================
1700 //=============================================================================
1701 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
1702 const TopoDS_Shape& aShape,
1703 MapShapeNbElems& aResMap)
1705 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
1706 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize();
1707 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
1708 //double _angleMeshS = BLSURFPlugin_Hypothesis::GetDefaultAngleMeshS();
1709 double _angleMeshC = BLSURFPlugin_Hypothesis::GetDefaultAngleMeshC();
1710 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
1712 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
1713 _phySize = _hypothesis->GetPhySize();
1714 //_geometricMesh = (int) hyp->GetGeometricMesh();
1715 //_angleMeshS = hyp->GetAngleMeshS();
1716 _angleMeshC = _hypothesis->GetAngleMeshC();
1717 _quadAllowed = _hypothesis->GetQuadAllowed();
1720 bool IsQuadratic = false;
1725 TopTools_DataMapOfShapeInteger EdgesMap;
1726 double fullLen = 0.0;
1727 double fullNbSeg = 0;
1728 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
1729 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
1730 if( EdgesMap.IsBound(E) )
1732 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
1733 double aLen = SMESH_Algo::EdgeLength(E);
1736 if(_physicalMesh==1) {
1737 nb1d = (int)( aLen/_phySize + 1 );
1742 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
1743 double fullAng = 0.0;
1744 double dp = (l-f)/200;
1749 for(int j=2; j<=200; j++) {
1752 fullAng += fabs(V1.Angle(V2));
1756 nb1d = (int)( fullAng/_angleMeshC + 1 );
1759 std::vector<int> aVec(SMDSEntity_Last);
1760 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
1761 if( IsQuadratic > 0 ) {
1762 aVec[SMDSEntity_Node] = 2*nb1d - 1;
1763 aVec[SMDSEntity_Quad_Edge] = nb1d;
1766 aVec[SMDSEntity_Node] = nb1d - 1;
1767 aVec[SMDSEntity_Edge] = nb1d;
1769 aResMap.insert(std::make_pair(sm,aVec));
1770 EdgesMap.Bind(E,nb1d);
1772 double ELen = fullLen/fullNbSeg;
1776 // try to evaluate as in MEFISTO
1777 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
1778 TopoDS_Face F = TopoDS::Face( exp.Current() );
1779 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
1781 BRepGProp::SurfaceProperties(F,G);
1782 double anArea = G.Mass();
1784 std::vector<int> nb1dVec;
1785 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
1786 int nbSeg = EdgesMap.Find(exp1.Current());
1788 nb1dVec.push_back( nbSeg );
1791 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
1792 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
1795 if ( nb1dVec.size() == 4 ) // quadrangle geom face
1797 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
1799 nbNodes = (n1 + 1) * (n2 + 1);
1804 nbTria = nbQuad = nbTria / 3 + 1;
1807 std::vector<int> aVec(SMDSEntity_Last,0);
1809 int nb1d_in = (nbTria*3 - nb1d) / 2;
1810 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
1811 aVec[SMDSEntity_Quad_Triangle] = nbTria;
1812 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
1815 aVec[SMDSEntity_Node] = nbNodes;
1816 aVec[SMDSEntity_Triangle] = nbTria;
1817 aVec[SMDSEntity_Quadrangle] = nbQuad;
1819 aResMap.insert(std::make_pair(sm,aVec));
1826 BRepGProp::VolumeProperties(aShape,G);
1827 double aVolume = G.Mass();
1828 double tetrVol = 0.1179*ELen*ELen*ELen;
1829 int nbVols = int(aVolume/tetrVol);
1830 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
1831 std::vector<int> aVec(SMDSEntity_Last);
1832 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
1834 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
1835 aVec[SMDSEntity_Quad_Tetra] = nbVols;
1838 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
1839 aVec[SMDSEntity_Tetra] = nbVols;
1841 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
1842 aResMap.insert(std::make_pair(sm,aVec));
1847 //=============================================================================
1849 * Rewritting of the BRepClass_FaceClassifier::Perform function which is bugged (CAS 6.3sp6)
1850 * Following line was added:
1851 * myExtrem.Perform(P);
1853 //=============================================================================
1854 void BLSURFPlugin_BLSURF::BRepClass_FaceClassifierPerform(BRepClass_FaceClassifier* fc,
1855 const TopoDS_Face& face,
1857 const Standard_Real Tol)
1859 //-- Voir BRepExtrema_ExtPF.cxx
1860 BRepAdaptor_Surface Surf(face);
1861 Standard_Real U1, U2, V1, V2;
1862 BRepTools::UVBounds(face, U1, U2, V1, V2);
1863 Extrema_ExtPS myExtrem;
1864 myExtrem.Initialize(Surf, U1, U2, V1, V2, Tol, Tol);
1865 myExtrem.Perform(P);
1866 //----------------------------------------------------------
1867 //-- On cherche le point le plus proche , PUIS
1868 //-- On le classifie.
1869 Standard_Integer nbv = 0; // xpu
1870 Standard_Real MaxDist = RealLast();
1871 Standard_Integer indice = 0;
1872 if(myExtrem.IsDone()) {
1873 nbv = myExtrem.NbExt();
1874 for (Standard_Integer i = 1; i <= nbv; i++) {
1875 Standard_Real d = myExtrem.Value(i);
1885 Standard_Real U1,U2;
1886 myExtrem.Point(indice).Parameter(U1, U2);
1887 Puv.SetCoord(U1, U2);
1888 fc->Perform(face, Puv, Tol);
1891 fc->Perform(face, gp_Pnt2d(U1-1.0,V1 - 1.0), Tol); //-- NYI etc BUG PAS BEAU En attendant l acces a rejected
1892 //-- le resultat est TopAbs_OUT;