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;
229 SMESH_MesherHelper* theHelper;
231 bool HasSizeMapOnFace=false;
232 bool HasSizeMapOnEdge=false;
233 bool HasSizeMapOnVertex=false;
234 //bool HasAttractorOnFace=false;
236 //=============================================================================
240 //=============================================================================
242 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
246 : SMESH_2D_Algo(hypId, studyId, gen)
248 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
249 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
250 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
252 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
253 _requireDiscreteBoundary = false;
254 _onlyUnaryInput = false;
256 _supportSubmeshes = true;
257 _requireShape = theHasGEOM;
259 smeshGen_i = SMESH_Gen_i::GetSMESHGen();
260 CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
261 SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
264 myStudy = aStudyMgr->GetStudyByID(_studyId);
266 /* Initialize the Python interpreter */
267 assert(Py_IsInitialized());
268 PyGILState_STATE gstate;
269 gstate = PyGILState_Ensure();
272 main_mod = PyImport_AddModule("__main__");
275 main_dict = PyModule_GetDict(main_mod);
277 PyRun_SimpleString("from math import *");
278 PyGILState_Release(gstate);
280 FacesWithSizeMap.Clear();
281 FaceId2SizeMap.clear();
282 EdgesWithSizeMap.Clear();
283 EdgeId2SizeMap.clear();
284 VerticesWithSizeMap.Clear();
285 VertexId2SizeMap.clear();
286 FaceId2PythonSmp.clear();
287 EdgeId2PythonSmp.clear();
288 VertexId2PythonSmp.clear();
289 FaceId2AttractorCoords.clear();
290 FaceId2ClassAttractor.clear();
291 FaceIndex2ClassAttractor.clear();
292 FacesWithEnforcedVertices.Clear();
293 FaceId2EnforcedVertexCoords.clear();
294 EnfVertexCoords2ProjVertex.clear();
295 EnfVertexCoords2EnfVertexList.clear();
297 _compute_canceled = false;
300 //=============================================================================
304 //=============================================================================
306 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
311 //=============================================================================
315 //=============================================================================
317 bool BLSURFPlugin_BLSURF::CheckHypothesis
319 const TopoDS_Shape& aShape,
320 SMESH_Hypothesis::Hypothesis_Status& aStatus)
323 _haveViscousLayers = false;
325 list<const SMESHDS_Hypothesis*>::const_iterator itl;
326 const SMESHDS_Hypothesis* theHyp;
328 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
329 /*ignoreAuxiliary=*/false);
330 aStatus = SMESH_Hypothesis::HYP_OK;
333 return true; // can work with no hypothesis
336 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
339 string hypName = theHyp->GetName();
340 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
341 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
343 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
345 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
346 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
347 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
348 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
350 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
352 if ( !_haveViscousLayers )
354 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
355 _haveViscousLayers = true;
360 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
363 return aStatus == SMESH_Hypothesis::HYP_OK;
366 //=============================================================================
368 * Pass parameters to MG-CADSurf
370 //=============================================================================
372 inline std::string val_to_string(double d)
374 std::ostringstream o;
379 inline std::string val_to_string_rel(double d)
381 std::ostringstream o;
387 inline std::string val_to_string(int i)
389 std::ostringstream o;
394 inline std::string val_to_string_rel(int i)
396 std::ostringstream o;
402 double _smp_phy_size;
403 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
404 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
405 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
412 /////////////////////////////////////////////////////////
414 projectionPoint getProjectionPoint(TopoDS_Face& theFace, const gp_Pnt& thePoint)
416 projectionPoint myPoint;
418 if ( theFace.IsNull() )
420 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
421 TopTools_MapOfShape checkedFaces;
422 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
424 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
426 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
427 if ( !checkedFaces.Add( face )) continue;
429 // check distance to face
430 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
431 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
432 double distance = surface->Gap();
433 if ( distance > Precision::Confusion() )
435 // the face is far, store for future analysis
436 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
440 // check location on the face
441 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
442 if ( FC.State() == TopAbs_IN )
445 myPoint.uv = uv.XY();
446 myPoint.xyz = surface->Value( uv ).XYZ();
451 if ( foundFace.IsNull() )
453 // find the closest face
454 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
455 for ( ; d2f != dist2face.end(); ++d2f )
457 const TopoDS_Face& face = d2f->second.first;
458 const gp_Pnt2d & uv = d2f->second.second;
459 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
460 if ( FC.State() == TopAbs_IN )
463 myPoint.uv = uv.XY();
464 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
469 // set the resultShape
470 if ( foundFace.IsNull() )
471 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
472 "getProjectionPoint: can't find a face by a vertex");
473 theFace = TopoDS::Face( foundFace );
477 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
478 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
479 if ( !projector.IsDone() || projector.NbPoints()==0 )
480 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
481 "getProjectionPoint: can't project a vertex to a face");
483 Quantity_Parameter u,v;
484 projector.LowerDistanceParameters(u,v);
485 myPoint.uv = gp_XY(u,v);
486 gp_Pnt aPnt = projector.NearestPoint();
487 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
493 /////////////////////////////////////////////////////////
494 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
497 if ( !entry.empty() )
499 GEOM::GEOM_Object_var aGeomObj;
500 SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
501 if (!aSObj->_is_nil()) {
502 CORBA::Object_var obj = aSObj->GetObject();
503 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
506 if ( !aGeomObj->_is_nil() )
507 S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
512 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
514 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
516 // Get the (u,v) values of the enforced vertex on the face
517 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
519 enf_coords.push_back(aPnt.X());
520 enf_coords.push_back(aPnt.Y());
521 enf_coords.push_back(aPnt.Z());
523 coords.push_back(myPoint.uv.X());
524 coords.push_back(myPoint.uv.Y());
525 coords.push_back(myPoint.xyz.X());
526 coords.push_back(myPoint.xyz.Y());
527 coords.push_back(myPoint.xyz.Z());
529 s_coords.push_back(myPoint.xyz.X());
530 s_coords.push_back(myPoint.xyz.Y());
531 s_coords.push_back(myPoint.xyz.Z());
533 // Save pair projected vertex / enf vertex
534 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
535 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
536 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
537 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
538 if (ret.second == false) {
540 (*it)->grpName = enfVertex->grpName;
544 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
545 key = FacesWithEnforcedVertices.Add(faceShape);
548 key = FacesWithEnforcedVertices.FindIndex(faceShape);
551 // If a node is already created by an attractor, do not create enforced vertex
552 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
553 bool sameAttractor = false;
554 if (attractorKey >= 0)
555 if (FaceId2AttractorCoords.count(attractorKey) > 0)
556 if (FaceId2AttractorCoords[attractorKey] == coords)
557 sameAttractor = true;
559 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
561 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
564 if (! sameAttractor) {
565 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
567 FaceId2EnforcedVertexCoords[key] = ens;
572 /////////////////////////////////////////////////////////
573 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
575 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
578 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
580 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
581 enfVertex = *enfVertexListIt;
582 // Case of manual coords
583 if (enfVertex->coords.size() != 0) {
584 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
585 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
588 // Case of geom vertex coords
589 if (enfVertex->geomEntry != "") {
590 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
591 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
592 if (GeomType == TopAbs_VERTEX){
593 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(GeomShape));
594 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
597 if (GeomType == TopAbs_COMPOUND){
598 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
599 if (it.Value().ShapeType() == TopAbs_VERTEX){
600 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(it.Value()));
601 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
609 /////////////////////////////////////////////////////////
610 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
612 double xa, ya, za; // Coordinates of attractor point
613 double a, b; // Attractor parameter
615 bool createNode=false; // To create a node on attractor projection
617 const char *sep = ";";
618 // atIt->second has the following pattern:
619 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
621 // xa;ya;za : coordinates of attractor
622 // a : desired size on attractor
623 // b : distance of influence of attractor
624 // d : distance until which the size remains constant
626 // We search the parameters in the string
628 pos1 = AttractorFunction.find(sep);
629 if (pos1!=string::npos)
630 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
632 pos2 = AttractorFunction.find(sep, pos1+1);
633 if (pos2!=string::npos) {
634 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
638 pos2 = AttractorFunction.find(sep, pos1+1);
639 if (pos2!=string::npos) {
640 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
644 pos2 = AttractorFunction.find(sep, pos1+1);
645 if (pos2!=string::npos) {
646 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
650 pos2 = AttractorFunction.find(sep, pos1+1);
651 if (pos2!=string::npos) {
652 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
656 pos2 = AttractorFunction.find(sep, pos1+1);
657 if (pos2!=string::npos) {
658 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
659 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
663 pos2 = AttractorFunction.find(")");
664 if (pos2!=string::npos) {
665 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
668 // Get the (u,v) values of the attractor on the face
669 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
670 gp_XY uvPoint = myPoint.uv;
671 gp_XYZ xyzPoint = myPoint.xyz;
672 Standard_Real u0 = uvPoint.X();
673 Standard_Real v0 = uvPoint.Y();
674 Standard_Real x0 = xyzPoint.X();
675 Standard_Real y0 = xyzPoint.Y();
676 Standard_Real z0 = xyzPoint.Z();
677 std::vector<double> coords;
678 coords.push_back(u0);
679 coords.push_back(v0);
680 coords.push_back(x0);
681 coords.push_back(y0);
682 coords.push_back(z0);
683 // We construct the python function
684 ostringstream attractorFunctionStream;
685 attractorFunctionStream << "def f(u,v): return ";
686 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
687 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
688 // rnc: make possible to keep the size constant until
689 // a defined distance. Distance is expressed as the positiv part
690 // of r-d where r is the distance to (u0,v0)
691 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
694 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
695 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
698 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
700 FaceId2SizeMap[key] =attractorFunctionStream.str();
702 FaceId2AttractorCoords[key] = coords;
704 // // Test for new attractors
705 // gp_Pnt myP(xyzPoint);
706 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
707 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
708 // myAttractor.SetParameters(a, defaultSize, b, d);
709 // myAttractor.SetType(1);
710 // FaceId2ClassAttractor[key] = myAttractor;
711 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
715 // One sub-shape to get ids from
716 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(TopoDS_Shape theMainShape, TopoDS_Shape theSubShape,
717 TopAbs_ShapeEnum theShapeType)
719 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
720 TopTools_IndexedMapOfShape anIndices;
722 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
724 // Standard_Boolean result = BRepTools::Write(theMainShape,"main_shape.brep");
726 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
728 int face_id = anIndices.FindIndex(face_iter.Current());
730 throw SALOME_Exception ( SMESH_Comment("Sub_shape not found in main_shape"));
731 face_ids.push_back(face_id);
732 // std::ostringstream o;
733 // o << "face_" << face_id << ".brep";
734 // std::string face_name = o.str();
735 // const TopoDS_Face& face = TopoDS::Face(face_iter.Current());
736 // Standard_Boolean result = BRepTools::Write(face,face_name.c_str());
742 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
743 TopoDS_Shape theSubShape,
744 TopAbs_ShapeEnum theShapeType)
746 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
748 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
750 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
752 throw SALOME_Exception ( SMESH_Comment("Sub_shape not found in main_shape"));
753 face_ids.push_back(face_id);
759 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
761 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
763 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
764 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
769 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
771 if (theVertexEntry!="")
773 TopoDS_Shape aShape = entryToShape(theVertexEntry);
775 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
776 double theX, theY, theZ;
781 theVerticesCoords.push_back(theX);
782 theVerticesCoords.push_back(theY);
783 theVerticesCoords.push_back(theZ);
787 /////////////////////////////////////////////////////////
788 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
790 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
791 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
793 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
794 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
796 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
797 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
798 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
800 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
801 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
803 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
806 /////////////////////////////////////////////////////////
807 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
809 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
810 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
812 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
813 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
815 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
816 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
817 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
819 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
820 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
822 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
826 /////////////////////////////////////////////////////////
828 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
829 cadsurf_session_t * css,
830 const TopoDS_Shape& theGeomShape)
833 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
834 FacesWithSizeMap.Clear();
835 FaceId2SizeMap.clear();
836 EdgesWithSizeMap.Clear();
837 EdgeId2SizeMap.clear();
838 VerticesWithSizeMap.Clear();
839 VertexId2SizeMap.clear();
840 FaceId2PythonSmp.clear();
841 EdgeId2PythonSmp.clear();
842 VertexId2PythonSmp.clear();
843 FaceId2AttractorCoords.clear();
844 FaceId2ClassAttractor.clear();
845 FaceIndex2ClassAttractor.clear();
846 FacesWithEnforcedVertices.Clear();
847 FaceId2EnforcedVertexCoords.clear();
848 EnfVertexCoords2ProjVertex.clear();
849 EnfVertexCoords2EnfVertexList.clear();
851 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
852 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
853 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
854 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
855 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
856 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
857 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
858 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
859 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
860 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
861 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
862 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
863 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
864 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
865 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
866 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
867 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
868 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
869 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
870 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
871 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
872 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
873 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
874 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
875 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
876 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
877 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
878 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
879 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
880 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
881 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
884 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
885 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
886 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
887 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
891 _physicalMesh = (int) hyp->GetPhysicalMesh();
892 _geometricMesh = (int) hyp->GetGeometricMesh();
893 if (hyp->GetPhySize() > 0) {
894 _phySize = hyp->GetPhySize();
895 // if user size is not explicitly specified, "relative" flag is ignored
896 _phySizeRel = hyp->IsPhySizeRel();
898 if (hyp->GetMinSize() > 0) {
899 _minSize = hyp->GetMinSize();
900 // if min size is not explicitly specified, "relative" flag is ignored
901 _minSizeRel = hyp->IsMinSizeRel();
903 if (hyp->GetMaxSize() > 0) {
904 _maxSize = hyp->GetMaxSize();
905 // if max size is not explicitly specified, "relative" flag is ignored
906 _maxSizeRel = hyp->IsMaxSizeRel();
908 _use_gradation = hyp->GetUseGradation();
909 if (hyp->GetGradation() > 0 && _use_gradation)
910 _gradation = hyp->GetGradation();
911 _use_volume_gradation = hyp->GetUseVolumeGradation();
912 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
913 _volume_gradation = hyp->GetVolumeGradation();
914 _quadAllowed = hyp->GetQuadAllowed();
915 if (hyp->GetAngleMesh() > 0)
916 _angleMesh = hyp->GetAngleMesh();
917 if (hyp->GetChordalError() > 0)
918 _chordalError = hyp->GetChordalError();
919 _anisotropic = hyp->GetAnisotropic();
920 if (hyp->GetAnisotropicRatio() >= 0)
921 _anisotropicRatio = hyp->GetAnisotropicRatio();
922 _removeTinyEdges = hyp->GetRemoveTinyEdges();
923 if (hyp->GetTinyEdgeLength() > 0)
924 _tinyEdgeLength = hyp->GetTinyEdgeLength();
925 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
926 if (hyp->GetTinyEdgeOptimisationLength() > 0)
927 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
928 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
929 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
930 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
931 _badElementRemoval = hyp->GetBadElementRemoval();
932 if (hyp->GetBadElementAspectRatio() >= 0)
933 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
934 _optimizeMesh = hyp->GetOptimizeMesh();
935 _quadraticMesh = hyp->GetQuadraticMesh();
936 _verb = hyp->GetVerbosity();
937 //_topology = (int) hyp->GetTopology();
939 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
940 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
941 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
942 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
944 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
945 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
946 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt )
947 if ( !opIt->second.empty() ) {
948 set_param(css, opIt->first.c_str(), opIt->second.c_str());
951 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
952 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
953 if ( !opIt->second.empty() ) {
954 set_param(css, opIt->first.c_str(), opIt->second.c_str());
957 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
958 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
959 if ( !opIt->second.empty() ) {
960 set_param(css, opIt->first.c_str(), opIt->second.c_str());
964 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
966 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
968 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
969 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
970 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
971 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
972 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
973 //set_param(css, "max_number_of_points_per_patch", "1000000");
975 bool useGradation = false;
976 switch (_physicalMesh)
978 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
979 set_param(css, "physical_size_mode", "global");
980 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
982 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
983 set_param(css, "physical_size_mode", "local");
984 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
988 set_param(css, "physical_size_mode", "none");
991 switch (_geometricMesh)
993 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
994 set_param(css, "geometric_size_mode", "global");
995 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
996 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
999 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1000 set_param(css, "geometric_size_mode", "local");
1001 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1002 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1003 useGradation = true;
1006 set_param(css, "geometric_size_mode", "none");
1009 if ( hyp && hyp->GetPhySize() > 0 ) {
1010 // user size is explicitly specified via hypothesis parameters
1011 // min and max sizes should be compared with explicitly specified user size
1012 // - compute absolute min size
1013 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1014 // - min size should not be greater than user size
1015 if ( _phySize < mins )
1016 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1018 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1019 // - compute absolute max size
1020 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1021 // - max size should not be less than user size
1022 if ( _phySize > maxs )
1023 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1025 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1028 // user size is not explicitly specified
1029 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1030 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1031 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1032 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1034 // anisotropic and quadrangle mesh requires disabling gradation
1035 if ( _anisotropic && _quadAllowed )
1036 useGradation = false; // limitation of V1.3
1037 if ( useGradation && _use_gradation )
1038 set_param(css, "gradation", val_to_string(_gradation).c_str());
1039 if ( useGradation && _use_volume_gradation )
1040 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1041 set_param(css, "element_generation", _quadAllowed ? "quad_dominant" : "triangle");
1044 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1046 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1047 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1048 if ( _removeTinyEdges )
1049 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1050 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1051 if ( _optimiseTinyEdges )
1052 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1053 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1054 if ( _correctSurfaceIntersec )
1055 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1056 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1057 if ( _badElementRemoval )
1058 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1059 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1060 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1061 set_param(css, "verbose", val_to_string(_verb).c_str());
1063 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1065 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1067 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1069 TopoDS_Shape GeomShape;
1070 TopoDS_Shape AttShape;
1071 TopAbs_ShapeEnum GeomType;
1073 // Standard Size Maps
1075 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1076 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1077 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1078 if ( !smIt->second.empty() ) {
1079 GeomShape = entryToShape(smIt->first);
1080 GeomType = GeomShape.ShapeType();
1083 if (GeomType == TopAbs_COMPOUND) {
1084 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1086 if (it.Value().ShapeType() == TopAbs_FACE){
1087 HasSizeMapOnFace = true;
1088 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1089 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1092 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1094 FaceId2SizeMap[key] = smIt->second;
1097 if (it.Value().ShapeType() == TopAbs_EDGE){
1098 HasSizeMapOnEdge = true;
1099 HasSizeMapOnFace = true;
1100 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1101 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1104 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1106 EdgeId2SizeMap[key] = smIt->second;
1108 // Group of vertices
1109 if (it.Value().ShapeType() == TopAbs_VERTEX){
1110 HasSizeMapOnVertex = true;
1111 HasSizeMapOnEdge = true;
1112 HasSizeMapOnFace = true;
1113 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1114 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1117 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1119 VertexId2SizeMap[key] = smIt->second;
1124 if (GeomType == TopAbs_FACE){
1125 HasSizeMapOnFace = true;
1126 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1127 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1130 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1132 FaceId2SizeMap[key] = smIt->second;
1135 if (GeomType == TopAbs_EDGE){
1136 HasSizeMapOnEdge = true;
1137 HasSizeMapOnFace = true;
1138 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1139 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1142 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1144 EdgeId2SizeMap[key] = smIt->second;
1147 if (GeomType == TopAbs_VERTEX){
1148 HasSizeMapOnVertex = true;
1149 HasSizeMapOnEdge = true;
1150 HasSizeMapOnFace = true;
1151 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1152 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1155 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1157 VertexId2SizeMap[key] = smIt->second;
1165 // TODO appeler le constructeur des attracteurs directement ici
1166 // if ( !_phySizeRel ) {
1167 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1168 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1169 for ( ; atIt != attractors.end(); ++atIt ) {
1170 if ( !atIt->second.empty() ) {
1171 GeomShape = entryToShape(atIt->first);
1172 GeomType = GeomShape.ShapeType();
1174 if (GeomType == TopAbs_COMPOUND){
1175 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1176 if (it.Value().ShapeType() == TopAbs_FACE){
1177 HasSizeMapOnFace = true;
1178 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1183 if (GeomType == TopAbs_FACE){
1184 HasSizeMapOnFace = true;
1185 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1188 if (GeomType == TopAbs_EDGE){
1189 HasSizeMapOnEdge = true;
1190 HasSizeMapOnFace = true;
1191 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1193 if (GeomType == TopAbs_VERTEX){
1194 HasSizeMapOnVertex = true;
1195 HasSizeMapOnEdge = true;
1196 HasSizeMapOnFace = true;
1197 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1205 // temporary commented out for testing
1207 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1208 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1209 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1211 // - Construct the attractors with an empty dist. map in the hypothesis
1212 // - 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()
1213 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1215 theNbAttractors = 0;
1216 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1218 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1219 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1220 if ( !AtIt->second->Empty() ) {
1221 GeomShape = entryToShape(AtIt->first);
1222 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1224 AttShape = AtIt->second->GetAttractorShape();
1225 GeomType = GeomShape.ShapeType();
1227 // if (GeomType == TopAbs_COMPOUND){
1228 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1229 // if (it.Value().ShapeType() == TopAbs_FACE){
1230 // HasAttractorOnFace = true;
1231 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1236 if (GeomType == TopAbs_FACE
1237 && (AttShape.ShapeType() == TopAbs_VERTEX
1238 || AttShape.ShapeType() == TopAbs_EDGE
1239 || AttShape.ShapeType() == TopAbs_WIRE
1240 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1241 HasSizeMapOnFace = true;
1243 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1245 FaceId2ClassAttractor[key].push_back( AtIt->second );
1249 MESSAGE("Wrong shape type !!")
1257 // Enforced Vertices
1259 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1260 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1261 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1262 if ( !enfIt->second.empty() ) {
1263 GeomShape = entryToShape(enfIt->first);
1264 if ( GeomShape.IsNull() )
1266 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1269 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1271 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1272 if (it.Value().ShapeType() == TopAbs_FACE){
1273 HasSizeMapOnFace = true;
1274 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1278 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1280 HasSizeMapOnFace = true;
1281 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1286 // Internal vertices
1287 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1288 if (useInternalVertexAllFaces) {
1289 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1291 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1292 for (; exp.More(); exp.Next()){
1293 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1294 for (; exp_face.More(); exp_face.Next())
1296 // Get coords of vertex
1297 // Check if current coords is already in enfVertexList
1298 // If coords not in enfVertexList, add new enfVertex
1299 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1300 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1301 enfVertex->coords.push_back(aPnt.X());
1302 enfVertex->coords.push_back(aPnt.Y());
1303 enfVertex->coords.push_back(aPnt.Z());
1304 enfVertex->name = "";
1305 enfVertex->faceEntries.clear();
1306 enfVertex->geomEntry = "";
1307 enfVertex->grpName = grpName;
1308 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1309 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1310 HasSizeMapOnFace = true;
1315 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1317 if (HasSizeMapOnEdge){
1318 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1320 if (HasSizeMapOnVertex){
1321 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1328 _preCadFacesIDsPeriodicityVector.clear();
1329 _preCadEdgesIDsPeriodicityVector.clear();
1331 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
1333 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1334 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1337 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1339 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1340 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1344 //================================================================================
1346 * \brief Throws an exception if a parameter name is wrong
1348 //================================================================================
1350 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1351 const char * option_name,
1352 const char * option_value)
1354 status_t status = cadsurf_set_param(css, option_name, option_value );
1356 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1357 cout << option_name << " = " << option_value << endl;
1359 if ( status != MESHGEMS_STATUS_OK )
1361 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1362 throw SALOME_Exception
1363 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1365 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1366 throw SALOME_Exception
1367 ( "No valid license available" );
1369 throw SALOME_Exception
1370 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1371 << option_name << "': " << option_value);
1377 // --------------------------------------------------------------------------
1379 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1381 struct BLSURF_Cleaner
1384 cadsurf_session_t* _css;
1388 BLSURF_Cleaner(context_t * ctx,
1389 cadsurf_session_t* css=0,
1400 Clean( /*exceptContext=*/false );
1402 void Clean(const bool exceptContext)
1406 cadsurf_session_delete(_css); _css = 0;
1408 // #if BLSURF_VERSION_LONG >= "3.1.1"
1409 // // if(geo_sizemap_e)
1410 // // distene_sizemap_delete(geo_sizemap_e);
1411 // // if(geo_sizemap_f)
1412 // // distene_sizemap_delete(geo_sizemap_f);
1413 // if(iso_sizemap_p)
1414 // distene_sizemap_delete(iso_sizemap_p);
1415 // if(iso_sizemap_e)
1416 // distene_sizemap_delete(iso_sizemap_e);
1417 // if(iso_sizemap_f)
1418 // distene_sizemap_delete(iso_sizemap_f);
1420 // // if(clean_geo_sizemap_e)
1421 // // distene_sizemap_delete(clean_geo_sizemap_e);
1422 // // if(clean_geo_sizemap_f)
1423 // // distene_sizemap_delete(clean_geo_sizemap_f);
1424 // if(clean_iso_sizemap_p)
1425 // distene_sizemap_delete(clean_iso_sizemap_p);
1426 // if(clean_iso_sizemap_e)
1427 // distene_sizemap_delete(clean_iso_sizemap_e);
1428 // if(clean_iso_sizemap_f)
1429 // distene_sizemap_delete(clean_iso_sizemap_f);
1432 cad_delete(_cad); _cad = 0;
1433 dcad_delete(_dcad); _dcad = 0;
1434 if ( !exceptContext )
1436 context_delete(_ctx); _ctx = 0;
1442 // --------------------------------------------------------------------------
1443 // comparator to sort nodes and sub-meshes
1444 struct ShapeTypeCompare
1446 // sort nodes by position in the following order:
1447 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1448 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1450 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1451 return n1->getIdInShape() < n2->getIdInShape();
1452 // SMDS_TypeOfPosition pos1 = n1->GetPosition()->GetTypeOfPosition();
1453 // SMDS_TypeOfPosition pos2 = n2->GetPosition()->GetTypeOfPosition();
1454 // if ( pos1 == pos2 ) return 0;
1455 // if ( pos1 < pos2 || pos1 == SMDS_TOP_3DSPACE ) return 1;
1458 // sort sub-meshes in order: EDGE, VERTEX
1459 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1461 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1462 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1463 if ( isVertex1 == isVertex2 )
1465 return isVertex1 < isVertex2;
1469 //================================================================================
1471 * \brief Fills groups of nodes to be merged
1473 //================================================================================
1475 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1476 const TopoDS_Shape& shape,
1477 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1479 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1480 switch ( shape.ShapeType() )
1482 case TopAbs_VERTEX: {
1483 std::list< const SMDS_MeshNode* > nodes;
1484 while ( nIt->more() )
1485 nodes.push_back( nIt->next() );
1486 if ( nodes.size() > 1 )
1487 nodeGroupsToMerge.push_back( nodes );
1491 std::multimap< double, const SMDS_MeshNode* > u2node;
1492 const SMDS_EdgePosition* ePos;
1493 while ( nIt->more() )
1495 const SMDS_MeshNode* n = nIt->next();
1496 if (( ePos = dynamic_cast< const SMDS_EdgePosition* >( n->GetPosition() )))
1497 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1499 if ( u2node.size() < 2 ) return;
1501 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1503 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1504 double tol = (( l - f ) / 20.) / u2node.size();
1506 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1507 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1509 if (( un2->first - un1->first ) <= tol )
1511 std::list< const SMDS_MeshNode* > nodes;
1512 nodes.push_back( un1->second );
1513 while (( un2->first - un1->first ) <= tol )
1515 nodes.push_back( un2->second );
1516 if ( ++un2 == u2node.end()) {
1521 // make nodes created on the boundary of viscous layer replace nodes created
1522 // by MG-CADSurf as their SMDS_Position is more correct
1523 nodes.sort( ShapeTypeCompare() );
1524 nodeGroupsToMerge.push_back( nodes );
1531 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1532 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1534 // cout << "Merge ";
1535 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1536 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1537 // for ( ; nIt != nl.end(); ++nIt )
1538 // cout << (*nIt) << " ";
1544 //================================================================================
1546 * \brief A temporary mesh used to compute mesh on a proxy FACE
1548 //================================================================================
1550 struct TmpMesh: public SMESH_Mesh
1552 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1553 TN2NMap _tmp2origNN;
1554 TopoDS_Face _proxyFace;
1558 _myMeshDS = new SMESHDS_Mesh( _id, true );
1560 //--------------------------------------------------------------------------------
1562 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1564 //--------------------------------------------------------------------------------
1566 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1567 const TopoDS_Face& origFace)
1569 // get data of nodes on inner boundary of viscous layers
1570 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1572 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1573 /*skipMediumNodes = */true,
1575 if ( err && err->IsKO() )
1576 throw *err.get(); // it should be caught at SMESH_subMesh
1578 // proxy nodes and corresponding tmp VERTEXes
1579 std::vector<const SMDS_MeshNode*> origNodes;
1580 std::vector<TopoDS_Vertex> tmpVertex;
1582 // create a proxy FACE
1583 TopoDS_Shape origFaceCopy = origFace.EmptyCopied();
1584 BRepBuilderAPI_MakeFace newFace( TopoDS::Face( origFaceCopy ));
1585 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1587 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1588 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1589 if ( wirePoints.size() < 3 )
1592 BRepBuilderAPI_MakePolygon wire;
1593 const size_t i0 = tmpVertex.size();
1594 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1596 wire.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1597 origNodes.push_back( wirePoints[ iN ].node );
1598 tmpVertex.push_back( wire.LastVertex() );
1600 tmpVertex[ i0 ] = wire.FirstVertex(); // wire.LastVertex()==NULL for 1 vertex in wire
1602 if ( !wire.IsDone() )
1603 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1604 newFace.Add( wire );
1606 _proxyFace = newFace;
1608 // set a new shape to mesh
1609 TopoDS_Compound auxCompoundToMesh;
1610 BRep_Builder shapeBuilder;
1611 shapeBuilder.MakeCompound( auxCompoundToMesh );
1612 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1613 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1615 ShapeToMesh( auxCompoundToMesh );
1617 //TopExp_Explorer fExp( auxCompoundToMesh, TopAbs_FACE );
1618 //_proxyFace = TopoDS::Face( fExp.Current() );
1621 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1623 // make nodes and fill in _tmp2origNN
1625 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1626 for ( size_t i = 0; i < origNodes.size(); ++i )
1628 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1629 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1630 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1632 throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1636 TopoDS_Vertex v1, v2;
1637 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1639 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1640 TopExp::Vertices( E, v1, v2 );
1641 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1642 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1644 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1645 tmpMeshDS->SetMeshElementOnShape( seg, E );
1651 //--------------------------------------------------------------------------------
1653 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1655 //--------------------------------------------------------------------------------
1657 void FillInOrigMesh( SMESH_Mesh& origMesh,
1658 const TopoDS_Face& origFace )
1660 SMESH_MesherHelper helper( origMesh );
1661 helper.SetSubShape( origFace );
1662 helper.SetElementsOnShape( true );
1664 SMESH_MesherHelper tmpHelper( *this );
1665 tmpHelper.SetSubShape( _proxyFace );
1667 // iterate over tmp faces and copy them in origMesh
1668 const SMDS_MeshNode* nodes[27];
1669 const SMDS_MeshNode* nullNode = 0;
1671 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1672 while ( fIt->more() )
1674 const SMDS_MeshElement* f = fIt->next();
1675 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1677 for ( ; nIt->more(); ++nbN )
1679 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1680 TN2NMap::iterator n2nIt =
1681 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1682 if ( !n2nIt->second ) {
1684 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1685 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1687 nodes[ nbN ] = n2nIt->second;
1690 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1691 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1692 // nodes[3], nodes[4], nodes[5]); break;
1693 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1694 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1695 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1696 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1697 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1704 * \brief A structure holding an error description and a verbisity level
1706 struct message_cb_user_data
1708 std::string * _error;
1715 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1716 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1717 real *duu, real *duv, real *dvv, void *user_data);
1718 status_t message_cb(message_t *msg, void *user_data);
1719 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1721 //=============================================================================
1725 //=============================================================================
1727 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1729 // Fix problem with locales
1730 Kernel_Utils::Localizer aLocalizer;
1732 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1734 bool viscousLayersMade =
1735 ( aShape.ShapeType() == TopAbs_FACE &&
1736 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1738 if ( !viscousLayersMade )
1739 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1742 if ( _haveViscousLayers || viscousLayersMade )
1744 // Compute viscous layers
1746 TopTools_MapOfShape map;
1747 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1749 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1750 if ( !map.Add( F )) continue;
1751 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1753 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1755 // Compute MG-CADSurf mesh on viscous layers
1757 if ( viscousMesh->NbProxySubMeshes() > 0 )
1760 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1761 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1763 tmpMesh.FillInOrigMesh( aMesh, F );
1767 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1769 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1771 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1772 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1773 if ( fSM->IsMeshComputed() ) continue;
1775 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1783 //=============================================================================
1787 //=============================================================================
1789 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1790 const TopoDS_Shape& aShape,
1791 bool allowSubMeshClearing)
1793 /* create a distene context (generic object) */
1794 status_t status = STATUS_ERROR;
1796 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1797 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1798 myHelper = theHelper = & helperWithShape;
1799 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1800 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1801 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1802 bool quadraticSubMeshAndViscousLayer = false;
1803 bool needMerge = false;
1804 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1805 TSubMeshSet edgeSubmeshes;
1806 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1808 TopTools_IndexedMapOfShape pmap, emap, fmap;
1810 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1812 feclearexcept( FE_ALL_EXCEPT );
1813 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1816 context_t *ctx = context_new();
1818 /* Set the message callback in the working context */
1819 message_cb_user_data mcud;
1820 mcud._error = & this->SMESH_Algo::_comment;
1821 mcud._progress = & this->SMESH_Algo::_progress;
1823 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1824 context_set_message_callback(ctx, message_cb, &mcud);
1826 /* set the interruption callback */
1827 _compute_canceled = false;
1828 context_set_interrupt_callback(ctx, interrupt_cb, this);
1830 /* create the CAD object we will work on. It is associated to the context ctx. */
1831 cad_t *c = cad_new(ctx);
1832 dcad_t *dcad = dcad_new(c);
1834 /* Now fill the CAD object with data from your CAD
1835 * environement. This is the most complex part of a successfull
1841 cadsurf_session_t *css = cadsurf_session_new(ctx);
1843 // an object that correctly deletes all cadsurf objects at destruction
1844 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1846 SetParameters(_hypothesis, css, aShape);
1848 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1849 helper.SetIsQuadratic( haveQuadraticSubMesh );
1851 // To remove as soon as quadratic mesh is allowed - BEGIN
1852 // GDD: Viscous layer is not allowed with quadratic mesh
1853 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1854 quadraticSubMeshAndViscousLayer = true;
1855 _haveViscousLayers = !haveQuadraticSubMesh;
1856 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1857 error(COMPERR_WARNING, _comment);
1859 // To remove as soon as quadratic mesh is allowed - END
1861 // needed to prevent the opencascade memory managmement from freeing things
1862 vector<Handle(Geom2d_Curve)> curves;
1863 vector<Handle(Geom_Surface)> surfaces;
1867 FaceId2PythonSmp.clear();
1868 EdgeId2PythonSmp.clear();
1869 VertexId2PythonSmp.clear();
1871 /****************************************************************************************
1873 *****************************************************************************************/
1875 string bad_end = "return";
1877 TopTools_IndexedMapOfShape _map;
1878 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
1879 int ienf = _map.Extent();
1881 assert(Py_IsInitialized());
1882 PyGILState_STATE gstate;
1884 string theSizeMapStr;
1886 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1888 TopoDS_Face f = TopoDS::Face(face_iter.Current());
1890 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
1891 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
1893 // make INTERNAL face oriented FORWARD (issue 0020993)
1894 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
1895 f.Orientation(TopAbs_FORWARD);
1897 iface = fmap.Add(f);
1899 surfaces.push_back(BRep_Tool::Surface(f));
1901 /* create an object representing the face for cadsurf */
1902 /* where face_id is an integer identifying the face.
1903 * surf_function is the function that defines the surface
1904 * (For this face, it will be called by cadsurf with your_face_object_ptr
1905 * as last parameter.
1907 #if OCC_VERSION_MAJOR < 7
1908 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
1910 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
1913 /* by default a face has no tag (color).
1914 The following call sets it to the same value as the Geom module ID : */
1915 int faceTag = meshDS->ShapeToIndex(f);
1916 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
1917 cad_face_set_tag(fce, faceTag);
1919 /* Set face orientation (optional if you want a well oriented output mesh)*/
1920 if(f.Orientation() != TopAbs_FORWARD)
1921 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
1923 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
1925 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
1927 // -----------------
1929 // -----------------
1930 faceKey = FacesWithSizeMap.FindIndex(f);
1933 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
1935 theSizeMapStr = FaceId2SizeMap[faceKey];
1936 // check if function ends with "return"
1937 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
1939 // Expr To Python function, verification is performed at validation in GUI
1940 gstate = PyGILState_Ensure();
1941 PyObject * obj = NULL;
1942 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
1944 PyObject * func = NULL;
1945 func = PyObject_GetAttrString(main_mod, "f");
1946 FaceId2PythonSmp[iface]=func;
1947 FaceId2SizeMap.erase(faceKey);
1948 PyGILState_Release(gstate);
1951 // Specific size map = Attractor
1952 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
1954 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
1955 if (attractor_iter->first == faceKey)
1957 double xyzCoords[3] = {attractor_iter->second[2],
1958 attractor_iter->second[3],
1959 attractor_iter->second[4]};
1961 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
1962 BRepClass_FaceClassifier scl(f,P,1e-7);
1963 scl.Perform(f, P, 1e-7);
1964 TopAbs_State result = scl.State();
1965 if ( result == TopAbs_OUT )
1966 MESSAGE("Point is out of face: node is not created");
1967 if ( result == TopAbs_UNKNOWN )
1968 MESSAGE("Point position on face is unknown: node is not created");
1969 if ( result == TopAbs_ON )
1970 MESSAGE("Point is on border of face: node is not created");
1971 if ( result == TopAbs_IN )
1973 // Point is inside face and not on border
1974 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
1976 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
1977 cad_point_set_tag(point_p, ienf);
1979 FaceId2AttractorCoords.erase(faceKey);
1983 // -----------------
1985 // -----------------
1986 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
1987 if (clAttractor_iter != FaceId2ClassAttractor.end()){
1988 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
1989 for ( size_t i = 0; i < attVec.size(); ++i )
1990 if ( !attVec[i]->IsMapBuilt() ) {
1991 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
1992 attVec[i]->BuildMap();
1994 FaceIndex2ClassAttractor[iface].swap( attVec );
1995 FaceId2ClassAttractor.erase(clAttractor_iter);
1997 } // if (HasSizeMapOnFace && !use_precad)
1999 // ------------------
2000 // Enforced Vertices
2001 // ------------------
2002 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2003 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2004 if (evmIt != FaceId2EnforcedVertexCoords.end()) {
2005 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl;
2006 evl = evmIt->second;
2007 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2008 for (; evlIt != evl.end(); ++evlIt) {
2009 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2010 xyzCoords.push_back(evlIt->at(2));
2011 xyzCoords.push_back(evlIt->at(3));
2012 xyzCoords.push_back(evlIt->at(4));
2013 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2014 BRepClass_FaceClassifier scl(f,P,1e-7);
2015 // OCC 6.3sp6 : scl.Perform() is bugged. The function was rewritten
2016 // BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
2017 // OCC 6.5.2: scl.Perform() is not bugged anymore
2018 scl.Perform(f, P, 1e-7);
2019 TopAbs_State result = scl.State();
2020 if ( result == TopAbs_OUT ) {
2021 if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2022 EnfVertexCoords2ProjVertex.erase(xyzCoords);
2023 // isssue 22783. Do not erase as this point can be IN other face of a group
2024 //EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2027 if ( result == TopAbs_UNKNOWN ) {
2028 if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2029 EnfVertexCoords2ProjVertex.erase(xyzCoords);
2030 //EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2033 if ( result == TopAbs_ON ) {
2034 if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2035 EnfVertexCoords2ProjVertex.erase(xyzCoords);
2036 //EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2039 if ( result == TopAbs_IN )
2041 // Point is inside face and not on border
2042 double uvCoords[2] = {evlIt->at(0),evlIt->at(1)};
2044 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2046 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2047 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2048 !enfCoordsIt->second.empty() )
2050 // to merge nodes of an INTERNAL vertex belonging to several faces
2051 TopoDS_Vertex v = (*enfCoordsIt->second.begin())->vertex;
2052 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2053 if ( !v.IsNull() ) {
2054 tag = pmap.Add( v );
2055 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2056 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2057 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2058 // //if ( tag != pmap.Extent() )
2059 // needMerge = true;
2062 if ( tag == 0 ) tag = ienf;
2063 cad_point_set_tag(point_p, tag);
2066 FaceId2EnforcedVertexCoords.erase(faceKey);
2070 /****************************************************************************************
2072 now create the edges associated to this face
2073 *****************************************************************************************/
2075 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2077 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2078 int ic = emap.FindIndex(e);
2083 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2085 if (HasSizeMapOnEdge){
2086 edgeKey = EdgesWithSizeMap.FindIndex(e);
2087 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2089 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2090 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2092 // Expr To Python function, verification is performed at validation in GUI
2093 gstate = PyGILState_Ensure();
2094 PyObject * obj = NULL;
2095 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2097 PyObject * func = NULL;
2098 func = PyObject_GetAttrString(main_mod, "f");
2099 EdgeId2PythonSmp[ic]=func;
2100 EdgeId2SizeMap.erase(edgeKey);
2101 PyGILState_Release(gstate);
2104 /* data of nodes existing on the edge */
2105 StdMeshers_FaceSidePtr nodeData;
2106 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2107 if ( !sm->IsEmpty() )
2109 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2110 // /*complexFirst=*/false);
2111 // while ( subsmIt->more() )
2112 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2113 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2115 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2116 /*ignoreMedium=*/haveQuadraticSubMesh));
2117 if ( nodeData->MissVertexNode() )
2118 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2120 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2121 if ( !nodeDataVec.empty() )
2123 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2125 nodeData->Reverse();
2126 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2128 // tmin and tmax can change in case of viscous layer on an adjacent edge
2129 tmin = nodeDataVec.front().param;
2130 tmax = nodeDataVec.back().param;
2134 cout << "---------------- Invalid nodeData" << endl;
2139 /* attach the edge to the current cadsurf face */
2140 #if OCC_VERSION_MAJOR < 7
2141 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
2143 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2146 /* by default an edge has no tag (color).
2147 The following call sets it to the same value as the edge_id : */
2148 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2149 bool isInHyperPatch = false;
2151 std::set< int > faceTags;
2152 PShapeIteratorPtr faceIf = helper.GetAncestors( e, aMesh, TopAbs_FACE );
2153 while ( const TopoDS_Shape* face = faceIf->next() )
2154 if ( helper.IsSubShape( *face, aShape ))
2156 int faceTag = meshDS->ShapeToIndex( *face );
2157 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2158 if ( !faceTags.insert( hpTag ).second )
2160 isInHyperPatch = true;
2165 if ( !isInHyperPatch )
2166 cad_edge_set_tag(edg, ic);
2168 /* by default, an edge does not necessalry appear in the resulting mesh,
2169 unless the following property is set :
2171 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2173 /* by default an edge is a boundary edge */
2174 if (e.Orientation() == TopAbs_INTERNAL)
2175 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2177 // pass existing nodes of sub-meshes to MG-CADSurf
2180 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2181 const int nbNodes = nodeDataVec.size();
2183 dcad_edge_discretization_t *dedge;
2184 dcad_get_edge_discretization(dcad, edg, &dedge);
2185 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2187 // cout << endl << " EDGE " << ic << endl;
2188 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2189 for ( int iN = 0; iN < nbNodes; ++iN )
2191 const UVPtStruct& nData = nodeDataVec[ iN ];
2192 double t = nData.param;
2193 real uv[2] = { nData.u, nData.v };
2194 SMESH_TNodeXYZ nXYZ( nData.node );
2195 // cout << "\tt = " << t
2196 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2197 // << "\t u = " << nData.param
2198 // << "\t ID = " << nData.node->GetID() << endl;
2199 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ._xyz );
2201 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2204 /****************************************************************************************
2206 *****************************************************************************************/
2210 gp_Pnt2d e0 = curves.back()->Value(tmin);
2211 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2212 Standard_Real d1=0,d2=0;
2215 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2216 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2220 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2223 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2225 *ip = pmap.FindIndex(v);
2228 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2229 // if ( sm->IsMeshComputed() )
2230 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2233 // std::string aFileName = "fmap_vertex_";
2234 // aFileName.append(val_to_string(*ip));
2235 // aFileName.append(".brep");
2236 // BRepTools::Write(v,aFileName.c_str());
2238 if (HasSizeMapOnVertex){
2239 vertexKey = VerticesWithSizeMap.FindIndex(v);
2240 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2241 theSizeMapStr = VertexId2SizeMap[vertexKey];
2242 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2244 // Expr To Python function, verification is performed at validation in GUI
2245 gstate = PyGILState_Ensure();
2246 PyObject * obj = NULL;
2247 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2249 PyObject * func = NULL;
2250 func = PyObject_GetAttrString(main_mod, "f");
2251 VertexId2PythonSmp[*ip]=func;
2252 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2253 PyGILState_Release(gstate);
2258 // should not happen
2259 MESSAGE("An edge does not have 2 extremities.");
2262 // This defines the curves extremity connectivity
2263 cad_edge_set_extremities(edg, ip1, ip2);
2264 /* set the tag (color) to the same value as the extremity id : */
2265 cad_edge_set_extremities_tag(edg, ip1, ip2);
2268 cad_edge_set_extremities(edg, ip2, ip1);
2269 cad_edge_set_extremities_tag(edg, ip2, ip1);
2275 // Clear mesh from already meshed edges if possible else
2276 // remember that merge is needed
2277 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2278 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2280 SMESHDS_SubMesh* smDS = *smIt;
2281 if ( !smDS ) continue;
2282 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2285 const SMDS_MeshNode* n = nIt->next();
2286 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2288 needMerge = true; // to correctly sew with viscous mesh
2289 // add existing medium nodes to helper
2290 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2292 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2293 while ( edgeIt->more() )
2294 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2299 if ( allowSubMeshClearing )
2301 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2302 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2303 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2304 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2313 ///////////////////////
2315 ///////////////////////
2317 if (! _preCadFacesIDsPeriodicityVector.empty())
2319 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2320 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2321 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2322 int* theFace1_ids_c = &theFace1_ids[0];
2323 int* theFace2_ids_c = &theFace2_ids[0];
2324 std::ostringstream o;
2325 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2326 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2327 o << theFace1_ids[j] << ", ";
2329 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2330 o << theFace2_ids[j] << ", ";
2332 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2334 // If no source points, call peridoicity without transformation function
2335 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2336 status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2337 theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2338 if(status != STATUS_OK)
2339 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2343 // get the transformation vertices
2344 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2345 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2346 int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2347 int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2349 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2350 theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2351 if(status != STATUS_OK)
2352 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2357 if (! _preCadEdgesIDsPeriodicityVector.empty())
2359 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2360 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2361 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2362 // Use the address of the first element of the vector to initialise the array
2363 int* theEdge1_ids_c = &theEdge1_ids[0];
2364 int* theEdge2_ids_c = &theEdge2_ids[0];
2366 std::ostringstream o;
2367 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2368 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2369 o << theEdge1_ids[j] << ", ";
2371 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2372 o << theEdge2_ids[j] << ", ";
2375 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2377 // If no source points, call peridoicity without transformation function
2378 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2379 status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2380 theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2381 if(status != STATUS_OK)
2382 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2386 // get the transformation vertices
2387 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2388 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2389 int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2390 int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2392 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2393 theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2394 if(status != STATUS_OK)
2395 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2401 // TODO: be able to use a mesh in input.
2402 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2403 // => cadsurf_set_mesh
2405 // Use the original dcad
2406 cadsurf_set_dcad(css, dcad);
2408 // Use the original cad
2409 cadsurf_set_cad(css, c);
2411 std::cout << std::endl;
2412 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2413 std::cout << std::endl;
2418 status = cadsurf_compute_mesh(css);
2421 catch ( std::exception& exc ) {
2422 _comment += exc.what();
2424 catch (Standard_Failure& ex) {
2425 _comment += ex.DynamicType()->Name();
2426 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2428 _comment += ex.GetMessageString();
2432 if ( _comment.empty() )
2433 _comment = "Exception in cadsurf_compute_mesh()";
2436 std::cout << std::endl;
2437 std::cout << "End of Surface Mesh generation" << std::endl;
2438 std::cout << std::endl;
2441 cadsurf_get_mesh(css, &msh);
2443 /* release the mesh object */
2444 cadsurf_regain_mesh(css, msh);
2445 return error(_comment);
2448 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2450 GMFFileName = _hypothesis->GetGMFFile();
2451 if (GMFFileName != "") {
2452 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2453 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2454 if (!asciiFound && !binaryFound)
2455 GMFFileName.append(".mesh");
2456 mesh_write_mesh(msh, GMFFileName.c_str());
2459 /* retrieve mesh data (see meshgems/mesh.h) */
2460 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2461 integer *evedg, *evtri, *evquad, *tags_buff, type;
2464 mesh_get_vertex_count(msh, &nv);
2465 mesh_get_edge_count(msh, &ne);
2466 mesh_get_triangle_count(msh, &nt);
2467 mesh_get_quadrangle_count(msh, &nq);
2469 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2470 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2471 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2472 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2474 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2475 std::vector<bool> tags(nv+1);
2477 /* enumerated vertices */
2478 for(int iv=1;iv<=nv;iv++) {
2479 mesh_get_vertex_coordinates(msh, iv, xyz);
2480 mesh_get_vertex_tag(msh, iv, &tag);
2481 // Issue 0020656. Use vertex coordinates
2483 if ( tag > 0 && tag <= pmap.Extent() ) {
2484 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2485 double tol = BRep_Tool::Tolerance( v );
2486 gp_Pnt p = BRep_Tool::Pnt( v );
2487 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2488 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2490 tag = 0; // enforced or attracted vertex
2491 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2494 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2496 // Create group of enforced vertices if requested
2497 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2499 projVertex.push_back((double)xyz[0]);
2500 projVertex.push_back((double)xyz[1]);
2501 projVertex.push_back((double)xyz[2]);
2502 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2503 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2505 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2506 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2507 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2508 currentEnfVertex = (*enfListIt);
2509 if (currentEnfVertex->grpName != "") {
2510 bool groupDone = false;
2511 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2512 while (grIt->more()) {
2513 SMESH_Group * group = grIt->next();
2514 if ( !group ) continue;
2515 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2516 if ( !groupDS ) continue;
2517 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2518 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2519 aGroupDS->SMDSGroup().Add(nodes[iv]);
2520 // How can I inform the hypothesis ?
2521 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2529 SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2530 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2531 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2532 aGroupDS->SMDSGroup().Add(nodes[iv]);
2536 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2539 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2543 // internal points are tagged to zero
2544 if(tag > 0 && tag <= pmap.Extent() ){
2545 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2552 /* enumerate edges */
2553 for(int it=1;it<=ne;it++) {
2555 mesh_get_edge_vertices(msh, it, vtx);
2556 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2557 mesh_get_edge_tag(msh, it, &tag);
2559 // If PreCAD performed some cleaning operations (remove tiny edges,
2560 // merge edges ...) an output tag can indeed represent several original tags.
2561 // Get the initial tags corresponding to the output tag and redefine the tag as
2562 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2563 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2565 tag=tags_buff[nb_tag-1];
2566 if ( tag < 1 || tag > emap.Extent() )
2568 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2569 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2573 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2574 tags[vtx[0]] = false;
2577 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2578 tags[vtx[1]] = false;
2580 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2582 if (tags[evedg[0]]) {
2583 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2584 tags[evedg[0]] = false;
2586 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2589 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2591 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2594 /* enumerate triangles */
2595 for(int it=1;it<=nt;it++) {
2597 mesh_get_triangle_vertices(msh, it, vtx);
2598 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2599 mesh_get_triangle_tag(msh, it, &tag);
2601 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2602 tags[vtx[0]] = false;
2605 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2606 tags[vtx[1]] = false;
2609 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2610 tags[vtx[2]] = false;
2612 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2613 // QUADRATIC TRIANGLE
2614 if (tags[evtri[0]]) {
2615 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2616 tags[evtri[0]] = false;
2618 if (tags[evtri[1]]) {
2619 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2620 tags[evtri[1]] = false;
2622 if (tags[evtri[2]]) {
2623 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2624 tags[evtri[2]] = false;
2626 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2627 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2630 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2632 meshDS->SetMeshElementOnShape(tri, tag);
2635 /* enumerate quadrangles */
2636 for(int it=1;it<=nq;it++) {
2637 SMDS_MeshFace* quad;
2638 mesh_get_quadrangle_vertices(msh, it, vtx);
2639 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2640 mesh_get_quadrangle_tag(msh, it, &tag);
2642 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2643 tags[vtx[0]] = false;
2646 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2647 tags[vtx[1]] = false;
2650 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2651 tags[vtx[2]] = false;
2654 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2655 tags[vtx[3]] = false;
2657 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2658 // QUADRATIC QUADRANGLE
2659 std::cout << "This is a quadratic quadrangle" << std::endl;
2660 if (tags[evquad[0]]) {
2661 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2662 tags[evquad[0]] = false;
2664 if (tags[evquad[1]]) {
2665 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2666 tags[evquad[1]] = false;
2668 if (tags[evquad[2]]) {
2669 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2670 tags[evquad[2]] = false;
2672 if (tags[evquad[3]]) {
2673 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2674 tags[evquad[3]] = false;
2676 if (tags[evquad[4]]) {
2677 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2678 tags[evquad[4]] = false;
2680 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2681 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2685 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2687 meshDS->SetMeshElementOnShape(quad, tag);
2690 /* release the mesh object, the rest is released by cleaner */
2691 cadsurf_regain_mesh(css, msh);
2694 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2695 for(int iv=1;iv<=nv;iv++)
2696 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2697 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2700 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2702 SMESH_MeshEditor editor( &aMesh );
2703 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2704 TIDSortedElemSet segementsOnEdge;
2705 TSubMeshSet::iterator smIt;
2706 SMESHDS_SubMesh* smDS;
2708 // merge nodes on EDGE's with ones computed by MG-CADSurf
2709 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2711 if (! (smDS = *smIt) ) continue;
2712 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2714 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2715 while ( segIt->more() )
2716 segementsOnEdge.insert( segIt->next() );
2719 editor.MergeNodes( nodeGroupsToMerge );
2722 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2723 editor.FindEqualElements( segementsOnEdge, equalSegments );
2724 editor.MergeElements( equalSegments );
2726 // remove excess segments created on the boundary of viscous layers
2727 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2728 for ( int i = 1; i <= emap.Extent(); ++i )
2730 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2732 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2733 while ( segIt->more() )
2735 const SMDS_MeshElement* seg = segIt->next();
2736 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2737 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2738 meshDS->RemoveFreeElement( seg, smDS );
2745 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2746 for (int i = 1; i <= emap.Extent(); i++)
2747 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2748 sm->SetIsAlwaysComputed( true );
2749 for (int i = 1; i <= pmap.Extent(); i++)
2750 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2751 if ( !sm->IsMeshComputed() )
2752 sm->SetIsAlwaysComputed( true );
2754 // Set error to FACE's w/o elements
2755 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2756 if ( _comment.empty() && status == STATUS_OK )
2758 err = COMPERR_WARNING;
2759 _comment = "No mesh elements assigned to a face";
2761 bool badFaceFound = false;
2762 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2764 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2765 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2766 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2768 int faceTag = sm->GetId();
2769 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2771 // triangles are assigned to the first face of hyper-patch
2772 sm->SetIsAlwaysComputed( true );
2776 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2777 badFaceFound = true;
2781 if ( err == COMPERR_WARNING )
2785 if ( status != STATUS_OK && !badFaceFound ) {
2789 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2791 if ( oldFEFlags > 0 )
2792 feenableexcept( oldFEFlags );
2793 feclearexcept( FE_ALL_EXCEPT );
2797 std::cout << "FacesWithSizeMap" << std::endl;
2798 FacesWithSizeMap.Statistics(std::cout);
2799 std::cout << "EdgesWithSizeMap" << std::endl;
2800 EdgesWithSizeMap.Statistics(std::cout);
2801 std::cout << "VerticesWithSizeMap" << std::endl;
2802 VerticesWithSizeMap.Statistics(std::cout);
2803 std::cout << "FacesWithEnforcedVertices" << std::endl;
2804 FacesWithEnforcedVertices.Statistics(std::cout);
2807 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2810 //================================================================================
2812 * \brief Compute a mesh basing on discrete CAD description
2814 //================================================================================
2816 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2818 if ( aMesh.NbFaces() == 0 )
2819 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2821 context_t *ctx = context_new();
2822 if (!ctx) return error("Pb in context_new()");
2824 BLSURF_Cleaner cleaner( ctx );
2826 message_cb_user_data mcud;
2827 mcud._error = & this->SMESH_Algo::_comment;
2828 mcud._progress = & this->SMESH_Algo::_progress;
2830 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
2831 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
2832 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
2834 cadsurf_session_t * css = cadsurf_session_new(ctx);
2835 if(!css) return error( "Pb. in cadsurf_session_new() " );
2839 // Fill an input mesh
2841 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
2842 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
2844 // mark nodes used by 2D elements
2845 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
2846 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
2847 while ( nodeIt->more() )
2849 const SMDS_MeshNode* n = nodeIt->next();
2850 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
2852 meshgems_mesh_set_vertex_count( msh, meshDS->NbNodes() );
2854 // set node coordinates
2855 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
2857 meshDS->compactMesh();
2859 SMESH_TNodeXYZ nXYZ;
2860 nodeIt = meshDS->nodesIterator();
2862 for ( i = 1; nodeIt->more(); ++i )
2864 nXYZ.Set( nodeIt->next() );
2865 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ._xyz );
2868 // set nodes of faces
2869 meshgems_mesh_set_triangle_count ( msh, meshDS->GetMeshInfo().NbTriangles() );
2870 meshgems_mesh_set_quadrangle_count( msh, meshDS->GetMeshInfo().NbQuadrangles() );
2871 meshgems_integer nodeIDs[4];
2872 meshgems_integer iT = 1, iQ = 1;
2873 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
2874 while ( faceIt->more() )
2876 const SMDS_MeshElement* face = faceIt->next();
2877 meshgems_integer nbNodes = face->NbCornerNodes();
2878 if ( nbNodes > 4 || face->IsPoly() ) continue;
2880 for ( i = 0; i < nbNodes; ++i )
2881 nodeIDs[i] = face->GetNode( i )->GetID();
2883 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
2885 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
2888 ret = cadsurf_set_mesh(css, msh);
2889 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
2894 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
2896 ret = cadsurf_compute_mesh(css);
2897 if ( ret != STATUS_OK ) return false;
2900 cadsurf_get_mesh(css, &omsh);
2901 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
2904 // Update SALOME mesh
2906 // remove quadrangles and triangles
2907 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
2909 const SMDS_MeshElement* face = faceIt->next();
2910 if ( !face->IsPoly() )
2911 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
2913 // remove edges that bound the just removed faces
2914 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
2916 const SMDS_MeshElement* edge = edgeIt->next();
2917 const SMDS_MeshNode* n0 = edge->GetNode(0);
2918 const SMDS_MeshNode* n1 = edge->GetNode(1);
2919 if ( n0->isMarked() &&
2921 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
2922 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
2923 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
2925 // remove nodes that just became free
2926 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
2928 const SMDS_MeshNode* n = nodeIt->next();
2929 if ( n->isMarked() && n->NbInverseElements() == 0 )
2930 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
2934 meshgems_integer nbvtx = 0, nodeID;
2935 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
2936 meshgems_real xyz[3];
2937 for ( i = 1; i <= nbvtx; ++i )
2939 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
2940 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
2941 nodeID = n->GetID();
2942 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
2946 meshgems_integer nbtri = 0;
2947 meshgems_mesh_get_triangle_count( omsh, &nbtri );
2948 const SMDS_MeshNode* nodes[3];
2949 for ( i = 1; i <= nbtri; ++i )
2951 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
2952 for ( int j = 0; j < 3; ++j )
2954 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
2955 nodes[j] = meshDS->FindNode( nodeID );
2957 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
2960 cadsurf_regain_mesh(css, omsh);
2962 // as we don't assign the new triangles to a shape (the pseudo-shape),
2963 // we mark the shape as always computed to avoid the error messages
2964 // that no elements assigned to the shape
2965 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
2970 //================================================================================
2972 * \brief Terminates computation
2974 //================================================================================
2976 void BLSURFPlugin_BLSURF::CancelCompute()
2978 _compute_canceled = true;
2981 //=============================================================================
2985 //=============================================================================
2987 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
2988 const SMDS_MeshNode* node,
2989 const TopoDS_Shape& ed)
2991 const TopoDS_Edge edge = TopoDS::Edge(ed);
2993 gp_Pnt pnt(node->X(), node->Y(), node->Z());
2995 Standard_Real p0 = 0.0;
2996 Standard_Real p1 = 1.0;
2997 TopLoc_Location loc;
2998 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
2999 if ( curve.IsNull() )
3001 // issue 22499. Node at a sphere apex
3002 meshDS->SetNodeOnEdge(node, edge, p0);
3006 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3007 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3010 if ( proj.NbPoints() > 0 )
3012 pa = (double)proj.LowerDistanceParameter();
3013 // Issue 0020656. Move node if it is too far from edge
3014 gp_Pnt curve_pnt = curve->Value( pa );
3015 double dist2 = pnt.SquareDistance( curve_pnt );
3016 double tol = BRep_Tool::Tolerance( edge );
3017 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3019 curve_pnt.Transform( loc );
3020 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3024 meshDS->SetNodeOnEdge(node, edge, pa);
3027 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3029 * NOTE : if when your CAD systems evaluates second
3030 * order derivatives it also computes first order derivatives and
3031 * function evaluation, you can optimize this example by making only
3032 * one CAD call and filling the necessary uv, dt, dtt arrays.
3034 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3036 /* t is given. It contains the t (time) 1D parametric coordintaes
3037 of the point PreCAD/MG-CADSurf is querying on the curve */
3039 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
3040 * (see cad_edge_new later in this example) */
3041 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3044 /* MG-CADSurf is querying the function evaluation */
3047 uv[0]=P.X(); uv[1]=P.Y();
3051 /* query for the first order derivatives */
3054 dt[0]=V1.X(); dt[1]=V1.Y();
3058 /* query for the second order derivatives */
3061 dtt[0]=V2.X(); dtt[1]=V2.Y();
3067 /* Surface definition function.
3068 * See cad_surf_t in file meshgems/cad.h for more information.
3069 * NOTE : if when your CAD systems evaluates second order derivatives it also
3070 * computes first order derivatives and function evaluation, you can optimize
3071 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3074 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3075 real *duu, real *duv, real *dvv, void *user_data)
3077 /* uv[2] is given. It contains the u,v coordinates of the point
3078 * PreCAD/MG-CADSurf is querying on the surface */
3080 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3081 * cad_face_new later in this example)*/
3082 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3086 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3087 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3094 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3095 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3096 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3099 if(duu && duv && dvv){
3103 gp_Vec D2U,D2V,D2UV;
3105 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3106 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3107 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3108 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3115 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3117 TId2ClsAttractorVec::iterator f2attVec;
3118 if (FaceId2PythonSmp.count(face_id) != 0){
3119 assert(Py_IsInitialized());
3120 PyGILState_STATE gstate;
3121 gstate = PyGILState_Ensure();
3122 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3124 if ( pyresult != NULL) {
3125 result = PyFloat_AsDouble(pyresult);
3126 Py_DECREF(pyresult);
3131 string err_description="";
3132 PyObject* new_stderr = newPyStdOut(err_description);
3133 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3134 Py_INCREF(old_stderr);
3135 PySys_SetObject((char*)"stderr", new_stderr);
3137 PySys_SetObject((char*)"stderr", old_stderr);
3138 Py_DECREF(new_stderr);
3139 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3140 result = *((real*)user_data);
3143 PyGILState_Release(gstate);
3145 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3149 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3150 for ( size_t i = 0; i < attVec.size(); ++i )
3152 //result += attVec[i]->GetSize(uv[0],uv[1]);
3153 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3155 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3159 *size = *((real*)user_data);
3161 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3165 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3167 if (EdgeId2PythonSmp.count(edge_id) != 0){
3168 assert(Py_IsInitialized());
3169 PyGILState_STATE gstate;
3170 gstate = PyGILState_Ensure();
3171 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3173 if ( pyresult != NULL) {
3174 result = PyFloat_AsDouble(pyresult);
3175 Py_DECREF(pyresult);
3180 string err_description="";
3181 PyObject* new_stderr = newPyStdOut(err_description);
3182 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3183 Py_INCREF(old_stderr);
3184 PySys_SetObject((char*)"stderr", new_stderr);
3186 PySys_SetObject((char*)"stderr", old_stderr);
3187 Py_DECREF(new_stderr);
3188 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3189 result = *((real*)user_data);
3192 PyGILState_Release(gstate);
3195 *size = *((real*)user_data);
3200 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3202 if (VertexId2PythonSmp.count(point_id) != 0){
3203 assert(Py_IsInitialized());
3204 PyGILState_STATE gstate;
3205 gstate = PyGILState_Ensure();
3206 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3208 if ( pyresult != NULL) {
3209 result = PyFloat_AsDouble(pyresult);
3210 Py_DECREF(pyresult);
3215 string err_description="";
3216 PyObject* new_stderr = newPyStdOut(err_description);
3217 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3218 Py_INCREF(old_stderr);
3219 PySys_SetObject((char*)"stderr", new_stderr);
3221 PySys_SetObject((char*)"stderr", old_stderr);
3222 Py_DECREF(new_stderr);
3223 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3224 result = *((real*)user_data);
3227 PyGILState_Release(gstate);
3230 *size = *((real*)user_data);
3236 * The following function will be called for PreCAD/MG-CADSurf message
3237 * printing. See context_set_message_callback (later in this
3238 * template) for how to set user_data.
3240 status_t message_cb(message_t *msg, void *user_data)
3242 integer errnumber = 0;
3244 message_get_number(msg, &errnumber);
3245 message_get_description(msg, &desc);
3247 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3248 // Get all the error message and some warning messages related to license and periodicity
3249 if ( errnumber < 0 ||
3250 err.find("license" ) != string::npos ||
3251 err.find("periodicity") != string::npos )
3253 // remove ^A from the tail
3254 int len = strlen( desc );
3255 while (len > 0 && desc[len-1] != '\n')
3257 mcud->_error->append( desc, len );
3260 if ( errnumber == 3009001 )
3261 * mcud->_progress = atof( desc + 11 ) / 100.;
3262 if ( mcud->_verbosity > 0 )
3263 std::cout << desc << std::endl;
3268 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3269 * function regularily. See the file meshgems/interrupt.h
3271 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3273 integer you_want_to_continue = 1;
3274 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3275 you_want_to_continue = !tmp->computeCanceled();
3277 if(you_want_to_continue)
3279 *interrupt_status = INTERRUPT_CONTINUE;
3282 else /* you want to stop MG-CADSurf */
3284 *interrupt_status = INTERRUPT_STOP;
3285 return STATUS_ERROR;
3289 //=============================================================================
3293 //=============================================================================
3294 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3295 const TopoDS_Shape& aShape,
3296 MapShapeNbElems& aResMap)
3298 double diagonal = aMesh.GetShapeDiagonalSize();
3299 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3300 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3301 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3302 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3303 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3304 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3305 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
3307 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3308 _phySizeRel = _hypothesis->IsPhySizeRel();
3309 if ( _hypothesis->GetPhySize() > 0)
3310 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3311 //_geometricMesh = (int) hyp->GetGeometricMesh();
3312 if (_hypothesis->GetAngleMesh() > 0)
3313 _angleMesh = _hypothesis->GetAngleMesh();
3314 _quadAllowed = _hypothesis->GetQuadAllowed();
3316 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3317 // GetDefaultPhySize() sometimes leads to computation failure
3318 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3321 bool IsQuadratic = _quadraticMesh;
3326 TopTools_DataMapOfShapeInteger EdgesMap;
3327 double fullLen = 0.0;
3328 double fullNbSeg = 0;
3329 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3330 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3331 if( EdgesMap.IsBound(E) )
3333 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3334 double aLen = SMESH_Algo::EdgeLength(E);
3337 if(_physicalMesh==1) {
3338 nb1d = (int)( aLen/_phySize + 1 );
3343 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3344 double fullAng = 0.0;
3345 double dp = (l-f)/200;
3350 for(int j=2; j<=200; j++) {
3353 fullAng += fabs(V1.Angle(V2));
3357 nb1d = (int)( fullAng/_angleMesh + 1 );
3360 std::vector<int> aVec(SMDSEntity_Last);
3361 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3362 if( IsQuadratic > 0 ) {
3363 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3364 aVec[SMDSEntity_Quad_Edge] = nb1d;
3367 aVec[SMDSEntity_Node] = nb1d - 1;
3368 aVec[SMDSEntity_Edge] = nb1d;
3370 aResMap.insert(std::make_pair(sm,aVec));
3371 EdgesMap.Bind(E,nb1d);
3373 double ELen = fullLen/fullNbSeg;
3377 // try to evaluate as in MEFISTO
3378 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3379 TopoDS_Face F = TopoDS::Face( exp.Current() );
3380 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3382 BRepGProp::SurfaceProperties(F,G);
3383 double anArea = G.Mass();
3385 std::vector<int> nb1dVec;
3386 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3387 int nbSeg = EdgesMap.Find(exp1.Current());
3389 nb1dVec.push_back( nbSeg );
3392 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3393 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3396 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3398 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3400 nbNodes = (n1 + 1) * (n2 + 1);
3405 nbTria = nbQuad = nbTria / 3 + 1;
3408 std::vector<int> aVec(SMDSEntity_Last,0);
3410 int nb1d_in = (nbTria*3 - nb1d) / 2;
3411 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3412 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3413 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3416 aVec[SMDSEntity_Node] = nbNodes;
3417 aVec[SMDSEntity_Triangle] = nbTria;
3418 aVec[SMDSEntity_Quadrangle] = nbQuad;
3420 aResMap.insert(std::make_pair(sm,aVec));
3427 BRepGProp::VolumeProperties(aShape,G);
3428 double aVolume = G.Mass();
3429 double tetrVol = 0.1179*ELen*ELen*ELen;
3430 int nbVols = int(aVolume/tetrVol);
3431 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3432 std::vector<int> aVec(SMDSEntity_Last);
3433 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3435 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3436 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3439 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3440 aVec[SMDSEntity_Tetra] = nbVols;
3442 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3443 aResMap.insert(std::make_pair(sm,aVec));