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>
41 #include <SMDS_EdgePosition.hxx>
42 #include <SMESHDS_Group.hxx>
43 #include <SMESH_Gen.hxx>
44 #include <SMESH_Group.hxx>
45 #include <SMESH_Mesh.hxx>
46 #include <SMESH_MeshEditor.hxx>
47 #include <SMESH_MesherHelper.hxx>
48 #include <StdMeshers_FaceSide.hxx>
49 #include <StdMeshers_ViscousLayers2D.hxx>
50 #include <SMESH_File.hxx>
52 #include <utilities.h>
60 // OPENCASCADE includes
61 #include <BRepBuilderAPI_MakeFace.hxx>
62 #include <BRepBuilderAPI_MakePolygon.hxx>
63 #include <BRepBuilderAPI_MakeWire.hxx>
64 #include <BRepGProp.hxx>
65 #include <BRepTools.hxx>
66 #include <BRep_Builder.hxx>
67 #include <BRep_Tool.hxx>
68 #include <GProp_GProps.hxx>
69 #include <Geom2d_Curve.hxx>
70 #include <Geom2d_Line.hxx>
71 #include <GeomAPI_ProjectPointOnCurve.hxx>
72 #include <GeomAPI_ProjectPointOnSurf.hxx>
73 #include <Geom_Curve.hxx>
74 #include <Geom_Surface.hxx>
75 #include <NCollection_DataMap.hxx>
76 #include <NCollection_Map.hxx>
77 #include <Standard_ErrorHandler.hxx>
79 #include <TopExp_Explorer.hxx>
80 #include <TopTools_DataMapOfShapeInteger.hxx>
81 #include <TopTools_IndexedMapOfShape.hxx>
82 #include <TopTools_MapOfShape.hxx>
84 #include <TopoDS_Compound.hxx>
85 #include <TopoDS_Edge.hxx>
86 #include <TopoDS_Face.hxx>
87 #include <TopoDS_Shape.hxx>
88 #include <TopoDS_Vertex.hxx>
89 #include <TopoDS_Wire.hxx>
91 #include <gp_Pnt2d.hxx>
101 /* ==================================
102 * =========== PYTHON ==============
103 * ==================================*/
114 PyStdOut_dealloc(PyStdOut *self)
120 PyStdOut_write(PyStdOut *self, PyObject *args)
124 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
127 *(self->out)=*(self->out)+c;
133 static PyMethodDef PyStdOut_methods[] = {
134 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
135 PyDoc_STR("write(string) -> None")},
136 {NULL, NULL} /* sentinel */
139 static PyMemberDef PyStdOut_memberlist[] = {
140 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
141 (char*)"flag indicating that a space needs to be printed; used by print"},
142 {NULL} /* Sentinel */
145 static PyTypeObject PyStdOut_Type = {
146 /* The ob_type field must be initialized in the module init function
147 * to be portable to Windows without using C++. */
148 PyVarObject_HEAD_INIT(NULL, 0)
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,
245 : SMESH_2D_Algo(hypId, gen)
247 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
248 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
249 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
251 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
252 _requireDiscreteBoundary = false;
253 _onlyUnaryInput = false;
255 _supportSubmeshes = true;
256 _requireShape = theHasGEOM;
258 /* Initialize the Python interpreter */
259 assert(Py_IsInitialized());
260 PyGILState_STATE gstate;
261 gstate = PyGILState_Ensure();
264 main_mod = PyImport_AddModule("__main__");
267 main_dict = PyModule_GetDict(main_mod);
269 PyRun_SimpleString("from math import *");
270 PyGILState_Release(gstate);
272 FacesWithSizeMap.Clear();
273 FaceId2SizeMap.clear();
274 EdgesWithSizeMap.Clear();
275 EdgeId2SizeMap.clear();
276 VerticesWithSizeMap.Clear();
277 VertexId2SizeMap.clear();
278 FaceId2PythonSmp.clear();
279 EdgeId2PythonSmp.clear();
280 VertexId2PythonSmp.clear();
281 FaceId2AttractorCoords.clear();
282 FaceId2ClassAttractor.clear();
283 FaceIndex2ClassAttractor.clear();
284 FacesWithEnforcedVertices.Clear();
285 FaceId2EnforcedVertexCoords.clear();
286 EnfVertexCoords2ProjVertex.clear();
287 EnfVertexCoords2EnfVertexList.clear();
289 _compute_canceled = false;
292 //=============================================================================
296 //=============================================================================
298 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
303 //=============================================================================
307 //=============================================================================
309 bool BLSURFPlugin_BLSURF::CheckHypothesis
311 const TopoDS_Shape& aShape,
312 SMESH_Hypothesis::Hypothesis_Status& aStatus)
315 _haveViscousLayers = false;
317 list<const SMESHDS_Hypothesis*>::const_iterator itl;
318 const SMESHDS_Hypothesis* theHyp;
320 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
321 /*ignoreAuxiliary=*/false);
322 aStatus = SMESH_Hypothesis::HYP_OK;
325 return true; // can work with no hypothesis
328 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
331 string hypName = theHyp->GetName();
332 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
333 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
335 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
337 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
338 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
339 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
340 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
342 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
344 if ( !_haveViscousLayers )
346 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
347 _haveViscousLayers = true;
352 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
355 return aStatus == SMESH_Hypothesis::HYP_OK;
358 //=============================================================================
360 * Pass parameters to MG-CADSurf
362 //=============================================================================
364 inline std::string val_to_string(double d)
366 std::ostringstream o;
371 inline std::string val_to_string_rel(double d)
373 std::ostringstream o;
379 inline std::string val_to_string(int i)
381 std::ostringstream o;
386 inline std::string val_to_string_rel(int i)
388 std::ostringstream o;
394 double _smp_phy_size;
395 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
396 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
397 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
404 /////////////////////////////////////////////////////////
406 projectionPoint getProjectionPoint(TopoDS_Face& theFace, const gp_Pnt& thePoint)
408 projectionPoint myPoint;
410 if ( theFace.IsNull() )
412 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
413 TopTools_MapOfShape checkedFaces;
414 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
416 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
418 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
419 if ( !checkedFaces.Add( face )) continue;
421 // check distance to face
422 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
423 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
424 double distance = surface->Gap();
425 if ( distance > Precision::Confusion() )
427 // the face is far, store for future analysis
428 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
432 // check location on the face
433 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
434 if ( FC.State() == TopAbs_IN )
436 if ( !foundFace.IsNull() )
437 return myPoint; // thePoint seems to be TopAbs_ON
439 myPoint.uv = uv.XY();
440 myPoint.xyz = surface->Value( uv ).XYZ();
443 if ( FC.State() == TopAbs_ON )
447 if ( foundFace.IsNull() )
449 // find the closest face
450 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
451 for ( ; d2f != dist2face.end(); ++d2f )
453 const TopoDS_Face& face = d2f->second.first;
454 const gp_Pnt2d & uv = d2f->second.second;
455 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
456 if ( FC.State() == TopAbs_IN )
459 myPoint.uv = uv.XY();
460 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
465 // set the resultShape
466 // if ( foundFace.IsNull() )
467 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
468 // "getProjectionPoint: can't find a face by a vertex");
469 theFace = TopoDS::Face( foundFace );
473 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
474 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
475 if ( !projector.IsDone() || projector.NbPoints()==0 )
476 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
477 "getProjectionPoint: can't project a vertex to a face");
480 projector.LowerDistanceParameters(u,v);
481 myPoint.uv = gp_XY(u,v);
482 gp_Pnt aPnt = projector.NearestPoint();
483 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
485 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
486 if ( FC.State() != TopAbs_IN )
493 /////////////////////////////////////////////////////////
494 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
496 GEOM::GEOM_Object_var aGeomObj;
497 TopoDS_Shape S = TopoDS_Shape();
498 SALOMEDS::SObject_var aSObj = SMESH_Gen_i::getStudyServant()->FindObjectID( entry.c_str() );
499 if (!aSObj->_is_nil()) {
500 CORBA::Object_var obj = aSObj->GetObject();
501 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
504 if ( !aGeomObj->_is_nil() )
505 S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj.in() );
509 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
511 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
513 // Find the face and get the (u,v) values of the enforced vertex on the face
514 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
515 if ( faceShape.IsNull() )
518 enf_coords.push_back(aPnt.X());
519 enf_coords.push_back(aPnt.Y());
520 enf_coords.push_back(aPnt.Z());
522 coords.push_back(myPoint.uv.X());
523 coords.push_back(myPoint.uv.Y());
524 coords.push_back(myPoint.xyz.X());
525 coords.push_back(myPoint.xyz.Y());
526 coords.push_back(myPoint.xyz.Z());
528 s_coords.push_back(myPoint.xyz.X());
529 s_coords.push_back(myPoint.xyz.Y());
530 s_coords.push_back(myPoint.xyz.Z());
532 // Save pair projected vertex / enf vertex
533 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
534 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
535 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
536 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
537 if (ret.second == false) {
539 (*it)->grpName = enfVertex->grpName;
543 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
544 key = FacesWithEnforcedVertices.Add(faceShape);
547 key = FacesWithEnforcedVertices.FindIndex(faceShape);
550 // If a node is already created by an attractor, do not create enforced vertex
551 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
552 bool sameAttractor = false;
553 if (attractorKey >= 0)
554 if (FaceId2AttractorCoords.count(attractorKey) > 0)
555 if (FaceId2AttractorCoords[attractorKey] == coords)
556 sameAttractor = true;
558 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
560 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
563 if (! sameAttractor) {
564 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
566 FaceId2EnforcedVertexCoords[key] = ens;
571 /////////////////////////////////////////////////////////
572 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
574 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
577 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
579 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
580 enfVertex = *enfVertexListIt;
581 // Case of manual coords
582 if (enfVertex->coords.size() != 0) {
583 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
584 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
587 // Case of geom vertex coords
588 if (enfVertex->geomEntry != "") {
589 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
590 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
591 if (GeomType == TopAbs_VERTEX)
593 enfVertex->vertex = TopoDS::Vertex( GeomShape );
594 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
595 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
598 if (GeomType == TopAbs_COMPOUND)
600 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
601 if (it.Value().ShapeType() == TopAbs_VERTEX)
603 enfVertex->vertex = TopoDS::Vertex( it.Value() );
604 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
605 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
612 /////////////////////////////////////////////////////////
613 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
615 double xa, ya, za; // Coordinates of attractor point
616 double a, b; // Attractor parameter
618 bool createNode=false; // To create a node on attractor projection
620 const char *sep = ";";
621 // atIt->second has the following pattern:
622 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
624 // xa;ya;za : coordinates of attractor
625 // a : desired size on attractor
626 // b : distance of influence of attractor
627 // d : distance until which the size remains constant
629 // We search the parameters in the string
631 pos1 = AttractorFunction.find(sep);
632 if (pos1!=string::npos)
633 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
635 pos2 = AttractorFunction.find(sep, pos1+1);
636 if (pos2!=string::npos) {
637 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
641 pos2 = AttractorFunction.find(sep, pos1+1);
642 if (pos2!=string::npos) {
643 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
647 pos2 = AttractorFunction.find(sep, pos1+1);
648 if (pos2!=string::npos) {
649 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
653 pos2 = AttractorFunction.find(sep, pos1+1);
654 if (pos2!=string::npos) {
655 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
659 pos2 = AttractorFunction.find(sep, pos1+1);
660 if (pos2!=string::npos) {
661 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
662 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
666 pos2 = AttractorFunction.find(")");
667 if (pos2!=string::npos) {
668 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
671 // Get the (u,v) values of the attractor on the face
672 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
673 gp_XY uvPoint = myPoint.uv;
674 gp_XYZ xyzPoint = myPoint.xyz;
675 Standard_Real u0 = uvPoint.X();
676 Standard_Real v0 = uvPoint.Y();
677 Standard_Real x0 = xyzPoint.X();
678 Standard_Real y0 = xyzPoint.Y();
679 Standard_Real z0 = xyzPoint.Z();
680 std::vector<double> coords;
681 coords.push_back(u0);
682 coords.push_back(v0);
683 coords.push_back(x0);
684 coords.push_back(y0);
685 coords.push_back(z0);
686 // We construct the python function
687 ostringstream attractorFunctionStream;
688 attractorFunctionStream << "def f(u,v): return ";
689 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
690 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
691 // rnc: make possible to keep the size constant until
692 // a defined distance. Distance is expressed as the positiv part
693 // of r-d where r is the distance to (u0,v0)
694 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
697 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
698 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
701 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
703 FaceId2SizeMap[key] =attractorFunctionStream.str();
705 FaceId2AttractorCoords[key] = coords;
707 // // Test for new attractors
708 // gp_Pnt myP(xyzPoint);
709 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
710 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
711 // myAttractor.SetParameters(a, defaultSize, b, d);
712 // myAttractor.SetType(1);
713 // FaceId2ClassAttractor[key] = myAttractor;
714 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
718 // One sub-shape to get ids from
719 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
720 const TopoDS_Shape& theSubShape,
721 TopAbs_ShapeEnum theShapeType)
723 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
725 TopTools_MapOfShape subShapes;
726 TopTools_IndexedMapOfShape anIndices;
727 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
729 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
731 if ( subShapes.Add( face_iter.Current() )) // issue 23416
733 int face_id = anIndices.FindIndex( face_iter.Current() );
735 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
736 face_ids.push_back( face_id );
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 ( "Periodicity: 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 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
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();
889 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
892 _physicalMesh = (int) hyp->GetPhysicalMesh();
893 _geometricMesh = (int) hyp->GetGeometricMesh();
894 if (hyp->GetPhySize() > 0) {
895 _phySize = hyp->GetPhySize();
896 // if user size is not explicitly specified, "relative" flag is ignored
897 _phySizeRel = hyp->IsPhySizeRel();
899 if (hyp->GetMinSize() > 0) {
900 _minSize = hyp->GetMinSize();
901 // if min size is not explicitly specified, "relative" flag is ignored
902 _minSizeRel = hyp->IsMinSizeRel();
904 if (hyp->GetMaxSize() > 0) {
905 _maxSize = hyp->GetMaxSize();
906 // if max size is not explicitly specified, "relative" flag is ignored
907 _maxSizeRel = hyp->IsMaxSizeRel();
909 _use_gradation = hyp->GetUseGradation();
910 if (hyp->GetGradation() > 0 && _use_gradation)
911 _gradation = hyp->GetGradation();
912 _use_volume_gradation = hyp->GetUseVolumeGradation();
913 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
914 _volume_gradation = hyp->GetVolumeGradation();
915 _elementType = hyp->GetElementType();
916 if (hyp->GetAngleMesh() > 0)
917 _angleMesh = hyp->GetAngleMesh();
918 if (hyp->GetChordalError() > 0)
919 _chordalError = hyp->GetChordalError();
920 _anisotropic = hyp->GetAnisotropic();
921 if (hyp->GetAnisotropicRatio() >= 0)
922 _anisotropicRatio = hyp->GetAnisotropicRatio();
923 _removeTinyEdges = hyp->GetRemoveTinyEdges();
924 if (hyp->GetTinyEdgeLength() > 0)
925 _tinyEdgeLength = hyp->GetTinyEdgeLength();
926 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
927 if (hyp->GetTinyEdgeOptimisationLength() > 0)
928 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
929 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
930 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
931 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
932 _badElementRemoval = hyp->GetBadElementRemoval();
933 if (hyp->GetBadElementAspectRatio() >= 0)
934 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
935 _optimizeMesh = hyp->GetOptimizeMesh();
936 _quadraticMesh = hyp->GetQuadraticMesh();
937 _verb = hyp->GetVerbosity();
938 //_topology = (int) hyp->GetTopology();
940 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
941 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
942 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
943 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
945 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
946 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
947 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
948 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
949 if ( !opIt->second.empty() ) {
950 // With MeshGems 2.4-5, there are issues with periodicity and multithread
951 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
952 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
953 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
954 set_param(css, opIt->first.c_str(), "1");
957 set_param(css, opIt->first.c_str(), opIt->second.c_str());
961 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
962 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
963 if ( !opIt->second.empty() ) {
964 set_param(css, opIt->first.c_str(), opIt->second.c_str());
967 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
968 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
969 if ( !opIt->second.empty() ) {
970 set_param(css, opIt->first.c_str(), opIt->second.c_str());
974 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
976 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
978 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
979 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
980 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
981 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
982 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
983 //set_param(css, "max_number_of_points_per_patch", "1000000");
985 bool useGradation = false;
986 switch (_physicalMesh)
988 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
989 set_param(css, "physical_size_mode", "global");
990 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
992 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
993 set_param(css, "physical_size_mode", "local");
994 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
998 set_param(css, "physical_size_mode", "none");
1001 switch (_geometricMesh)
1003 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1004 set_param(css, "geometric_size_mode", "global");
1005 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1006 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1007 useGradation = true;
1009 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1010 set_param(css, "geometric_size_mode", "local");
1011 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1012 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1013 useGradation = true;
1016 set_param(css, "geometric_size_mode", "none");
1019 if ( hyp && hyp->GetPhySize() > 0 ) {
1020 // user size is explicitly specified via hypothesis parameters
1021 // min and max sizes should be compared with explicitly specified user size
1022 // - compute absolute min size
1023 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1024 // - min size should not be greater than user size
1025 if ( _phySize < mins )
1026 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1028 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1029 // - compute absolute max size
1030 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1031 // - max size should not be less than user size
1032 if ( _phySize > maxs )
1033 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1035 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1038 // user size is not explicitly specified
1039 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1040 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1041 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1042 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1044 // anisotropic and quadrangle mesh requires disabling gradation
1045 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1046 useGradation = false; // limitation of V1.3
1047 if ( useGradation && _use_gradation )
1048 set_param(css, "gradation", val_to_string(_gradation).c_str());
1049 if ( useGradation && _use_volume_gradation )
1050 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1052 // New since MeshGems 2.5: add full_quad
1053 const char * element_generation = "";
1054 switch ( _elementType )
1056 case BLSURFPlugin_Hypothesis::Triangles:
1057 element_generation = "triangle";
1059 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1060 element_generation = "quad_dominant";
1062 case BLSURFPlugin_Hypothesis::Quadrangles:
1063 element_generation = "full_quad";
1067 set_param(css, "element_generation", element_generation);
1070 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1072 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1073 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1074 if ( _removeTinyEdges )
1075 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1076 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1077 if ( _optimiseTinyEdges )
1078 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1079 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1080 if ( _correctSurfaceIntersec )
1081 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1082 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1083 if ( _badElementRemoval )
1084 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1085 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1086 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1087 set_param(css, "verbose", val_to_string(_verb).c_str());
1089 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1091 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1093 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1095 TopoDS_Shape GeomShape;
1096 TopoDS_Shape AttShape;
1097 TopAbs_ShapeEnum GeomType;
1099 // Standard Size Maps
1101 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1102 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1103 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1104 if ( !smIt->second.empty() ) {
1105 GeomShape = entryToShape(smIt->first);
1106 GeomType = GeomShape.ShapeType();
1109 if (GeomType == TopAbs_COMPOUND) {
1110 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1112 if (it.Value().ShapeType() == TopAbs_FACE){
1113 HasSizeMapOnFace = true;
1114 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1115 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1118 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1120 FaceId2SizeMap[key] = smIt->second;
1123 if (it.Value().ShapeType() == TopAbs_EDGE){
1124 HasSizeMapOnEdge = true;
1125 HasSizeMapOnFace = true;
1126 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1127 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1130 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1132 EdgeId2SizeMap[key] = smIt->second;
1134 // Group of vertices
1135 if (it.Value().ShapeType() == TopAbs_VERTEX){
1136 HasSizeMapOnVertex = true;
1137 HasSizeMapOnEdge = true;
1138 HasSizeMapOnFace = true;
1139 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1140 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1143 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1145 VertexId2SizeMap[key] = smIt->second;
1150 if (GeomType == TopAbs_FACE){
1151 HasSizeMapOnFace = true;
1152 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1153 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1156 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1158 FaceId2SizeMap[key] = smIt->second;
1161 if (GeomType == TopAbs_EDGE){
1162 HasSizeMapOnEdge = true;
1163 HasSizeMapOnFace = true;
1164 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1165 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1168 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1170 EdgeId2SizeMap[key] = smIt->second;
1173 if (GeomType == TopAbs_VERTEX){
1174 HasSizeMapOnVertex = true;
1175 HasSizeMapOnEdge = true;
1176 HasSizeMapOnFace = true;
1177 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1178 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1181 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1183 VertexId2SizeMap[key] = smIt->second;
1191 // TODO appeler le constructeur des attracteurs directement ici
1192 // if ( !_phySizeRel ) {
1193 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1194 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1195 for ( ; atIt != attractors.end(); ++atIt ) {
1196 if ( !atIt->second.empty() ) {
1197 GeomShape = entryToShape(atIt->first);
1198 GeomType = GeomShape.ShapeType();
1200 if (GeomType == TopAbs_COMPOUND){
1201 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1202 if (it.Value().ShapeType() == TopAbs_FACE){
1203 HasSizeMapOnFace = true;
1204 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1209 if (GeomType == TopAbs_FACE){
1210 HasSizeMapOnFace = true;
1211 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1214 if (GeomType == TopAbs_EDGE){
1215 HasSizeMapOnEdge = true;
1216 HasSizeMapOnFace = true;
1217 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1219 if (GeomType == TopAbs_VERTEX){
1220 HasSizeMapOnVertex = true;
1221 HasSizeMapOnEdge = true;
1222 HasSizeMapOnFace = true;
1223 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1231 // temporary commented out for testing
1233 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1234 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1235 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1237 // - Construct the attractors with an empty dist. map in the hypothesis
1238 // - 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()
1239 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1241 theNbAttractors = 0;
1242 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1244 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1245 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1246 if ( !AtIt->second->Empty() ) {
1247 GeomShape = entryToShape(AtIt->first);
1248 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1250 AttShape = AtIt->second->GetAttractorShape();
1251 GeomType = GeomShape.ShapeType();
1253 // if (GeomType == TopAbs_COMPOUND){
1254 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1255 // if (it.Value().ShapeType() == TopAbs_FACE){
1256 // HasAttractorOnFace = true;
1257 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1262 if (GeomType == TopAbs_FACE
1263 && (AttShape.ShapeType() == TopAbs_VERTEX
1264 || AttShape.ShapeType() == TopAbs_EDGE
1265 || AttShape.ShapeType() == TopAbs_WIRE
1266 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1267 HasSizeMapOnFace = true;
1269 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1271 FaceId2ClassAttractor[key].push_back( AtIt->second );
1275 MESSAGE("Wrong shape type !!")
1283 // Enforced Vertices
1285 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1286 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1287 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1288 if ( !enfIt->second.empty() ) {
1289 GeomShape = entryToShape(enfIt->first);
1290 if ( GeomShape.IsNull() )
1292 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1295 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1297 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1298 if (it.Value().ShapeType() == TopAbs_FACE){
1299 HasSizeMapOnFace = true;
1300 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1304 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1306 HasSizeMapOnFace = true;
1307 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1312 // Internal vertices
1313 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1314 if (useInternalVertexAllFaces) {
1315 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1317 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1318 for (; exp.More(); exp.Next()){
1319 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1320 for (; exp_face.More(); exp_face.Next())
1322 // Get coords of vertex
1323 // Check if current coords is already in enfVertexList
1324 // If coords not in enfVertexList, add new enfVertex
1325 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1326 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1327 enfVertex->coords.push_back(aPnt.X());
1328 enfVertex->coords.push_back(aPnt.Y());
1329 enfVertex->coords.push_back(aPnt.Z());
1330 enfVertex->name = "";
1331 enfVertex->faceEntries.clear();
1332 enfVertex->geomEntry = "";
1333 enfVertex->grpName = grpName;
1334 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1335 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1336 HasSizeMapOnFace = true;
1341 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1343 if (HasSizeMapOnEdge){
1344 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1346 if (HasSizeMapOnVertex){
1347 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1354 _preCadFacesIDsPeriodicityVector.clear();
1355 _preCadEdgesIDsPeriodicityVector.clear();
1357 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1358 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1361 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1363 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1364 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1368 //================================================================================
1370 * \brief Throws an exception if a parameter name is wrong
1372 //================================================================================
1374 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1375 const char * option_name,
1376 const char * option_value)
1378 status_t status = cadsurf_set_param(css, option_name, option_value );
1380 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1381 cout << option_name << " = " << option_value << endl;
1383 if ( status != MESHGEMS_STATUS_OK )
1385 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1386 throw SALOME_Exception
1387 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1389 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1390 throw SALOME_Exception
1391 ( "No valid license available" );
1393 throw SALOME_Exception
1394 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1395 << option_name << "': " << option_value);
1401 // --------------------------------------------------------------------------
1403 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1405 struct BLSURF_Cleaner
1408 cadsurf_session_t* _css;
1412 BLSURF_Cleaner(context_t * ctx,
1413 cadsurf_session_t* css=0,
1424 Clean( /*exceptContext=*/false );
1426 void Clean(const bool exceptContext)
1430 cadsurf_session_delete(_css); _css = 0;
1432 // #if BLSURF_VERSION_LONG >= "3.1.1"
1433 // // if(geo_sizemap_e)
1434 // // distene_sizemap_delete(geo_sizemap_e);
1435 // // if(geo_sizemap_f)
1436 // // distene_sizemap_delete(geo_sizemap_f);
1437 // if(iso_sizemap_p)
1438 // distene_sizemap_delete(iso_sizemap_p);
1439 // if(iso_sizemap_e)
1440 // distene_sizemap_delete(iso_sizemap_e);
1441 // if(iso_sizemap_f)
1442 // distene_sizemap_delete(iso_sizemap_f);
1444 // // if(clean_geo_sizemap_e)
1445 // // distene_sizemap_delete(clean_geo_sizemap_e);
1446 // // if(clean_geo_sizemap_f)
1447 // // distene_sizemap_delete(clean_geo_sizemap_f);
1448 // if(clean_iso_sizemap_p)
1449 // distene_sizemap_delete(clean_iso_sizemap_p);
1450 // if(clean_iso_sizemap_e)
1451 // distene_sizemap_delete(clean_iso_sizemap_e);
1452 // if(clean_iso_sizemap_f)
1453 // distene_sizemap_delete(clean_iso_sizemap_f);
1456 cad_delete(_cad); _cad = 0;
1457 dcad_delete(_dcad); _dcad = 0;
1458 if ( !exceptContext )
1460 context_delete(_ctx); _ctx = 0;
1466 // --------------------------------------------------------------------------
1467 // comparator to sort nodes and sub-meshes
1468 struct ShapeTypeCompare
1470 // sort nodes by position in the following order:
1471 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1472 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1474 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1475 //return n1->getIdInShape() < n2->getIdInShape();
1476 return n1->GetID() < n2->GetID(); // earlier created nodes have less IDs
1478 // sort sub-meshes in order: EDGE, VERTEX
1479 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1481 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1482 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1483 if ( isVertex1 == isVertex2 )
1485 return isVertex1 < isVertex2;
1489 //================================================================================
1491 * \brief Fills groups of nodes to be merged
1493 //================================================================================
1495 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1496 const TopoDS_Shape& shape,
1497 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1499 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1500 switch ( shape.ShapeType() )
1502 case TopAbs_VERTEX: {
1503 std::list< const SMDS_MeshNode* > nodes;
1504 while ( nIt->more() )
1505 nodes.push_back( nIt->next() );
1506 if ( nodes.size() > 1 )
1507 nodeGroupsToMerge.push_back( nodes );
1511 std::multimap< double, const SMDS_MeshNode* > u2node;
1512 while ( nIt->more() )
1514 const SMDS_MeshNode* n = nIt->next();
1515 if ( SMDS_EdgePositionPtr ePos = n->GetPosition() )
1516 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1518 if ( u2node.size() < 2 ) return;
1520 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1522 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1523 double tol = (( l - f ) / 20.) / u2node.size();
1525 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1526 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1528 if (( un2->first - un1->first ) <= tol )
1530 std::list< const SMDS_MeshNode* > nodes;
1531 nodes.push_back( un1->second );
1532 while (( un2->first - un1->first ) <= tol )
1534 nodes.push_back( un2->second );
1535 if ( ++un2 == u2node.end()) {
1540 // make nodes created on the boundary of viscous layer replace nodes created
1541 // by MG-CADSurf as their SMDS_Position is more correct
1542 nodes.sort( ShapeTypeCompare() );
1543 nodeGroupsToMerge.push_back( nodes );
1550 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1551 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1553 // cout << "Merge ";
1554 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1555 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1556 // for ( ; nIt != nl.end(); ++nIt )
1557 // cout << (*nIt) << " ";
1563 //================================================================================
1565 * \brief A temporary mesh used to compute mesh on a proxy FACE
1567 //================================================================================
1569 struct TmpMesh: public SMESH_Mesh
1571 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1572 TN2NMap _tmp2origNN;
1573 TopoDS_Face _proxyFace;
1577 _myMeshDS = new SMESHDS_Mesh( _id, true );
1579 //--------------------------------------------------------------------------------
1581 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1583 //--------------------------------------------------------------------------------
1585 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1586 const TopoDS_Face& origFace)
1588 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1590 SMESH_MesherHelper helper( *origMesh );
1591 helper.SetSubShape( origFace );
1592 const bool hasSeam = helper.HasRealSeam();
1594 // get data of nodes on inner boundary of viscous layers
1596 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1597 /*skipMediumNodes = */true,
1598 err, &helper, viscousMesh );
1599 if ( err && err->IsKO() )
1600 throw *err.get(); // it should be caught at SMESH_subMesh
1602 // proxy nodes and corresponding tmp VERTEXes
1603 std::vector<const SMDS_MeshNode*> origNodes;
1604 std::vector<TopoDS_Vertex> tmpVertex;
1606 // create a proxy FACE
1607 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1608 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1609 bool hasPCurves = false;
1610 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1612 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1613 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1614 if ( wirePoints.size() < 3 )
1617 BRepBuilderAPI_MakePolygon polygon;
1618 const size_t i0 = tmpVertex.size();
1619 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1621 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1622 origNodes.push_back( wirePoints[ iN ].node );
1623 tmpVertex.push_back( polygon.LastVertex() );
1625 // check presence of a pcurve
1626 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1628 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1630 if ( !polygon.IsDone() )
1631 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1632 TopoDS_Wire wire = polygon;
1634 wire = updateSeam( wire, origNodes );
1635 newFace.Add( wire );
1637 _proxyFace = newFace;
1639 // set a new shape to mesh
1640 TopoDS_Compound auxCompoundToMesh;
1641 BRep_Builder shapeBuilder;
1642 shapeBuilder.MakeCompound( auxCompoundToMesh );
1643 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1644 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1646 ShapeToMesh( auxCompoundToMesh );
1649 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1651 // make nodes and fill in _tmp2origNN
1653 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1654 for ( size_t i = 0; i < origNodes.size(); ++i )
1656 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1657 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1658 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1659 // else -- it can be a seam vertex replaced by updateSeam()
1660 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1664 TopoDS_Vertex v1, v2;
1665 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1667 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1668 TopExp::Vertices( E, v1, v2 );
1669 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1670 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1672 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1673 tmpMeshDS->SetMeshElementOnShape( seg, E );
1679 //--------------------------------------------------------------------------------
1681 * \brief Add pcurve to the last edge of a wire
1683 //--------------------------------------------------------------------------------
1685 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1686 const TopoDS_Face& face,
1688 const uvPtStruct * wirePoints )
1692 TopoDS_Edge edge = wire.Edge();
1693 if ( edge.IsNull() ) return;
1695 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1700 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1701 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1702 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1703 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1704 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1705 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1706 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1707 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1710 //--------------------------------------------------------------------------------
1712 * \brief Replace coincident EDGEs with reversed copies.
1714 //--------------------------------------------------------------------------------
1716 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1717 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1719 BRepBuilderAPI_MakeWire newWire;
1721 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1722 TSeg2EdgeMap seg2EdgeMap;
1724 TopoDS_Iterator edgeIt( wire );
1725 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1727 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1728 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1730 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1731 bool isSeam = ( *edgeInMap != edge );
1734 edgeInMap->Reverse();
1737 newWire.Add( edge );
1742 //--------------------------------------------------------------------------------
1744 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1746 //--------------------------------------------------------------------------------
1748 void FillInOrigMesh( SMESH_Mesh& origMesh,
1749 const TopoDS_Face& origFace )
1751 SMESH_MesherHelper helper( origMesh );
1752 helper.SetSubShape( origFace );
1753 helper.SetElementsOnShape( true );
1755 SMESH_MesherHelper tmpHelper( *this );
1756 tmpHelper.SetSubShape( _proxyFace );
1758 // iterate over tmp faces and copy them in origMesh
1759 const SMDS_MeshNode* nodes[27];
1760 const SMDS_MeshNode* nullNode = 0;
1762 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator();
1763 while ( fIt->more() )
1765 const SMDS_MeshElement* f = fIt->next();
1766 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1768 for ( ; nIt->more(); ++nbN )
1770 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1771 TN2NMap::iterator n2nIt =
1772 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1773 if ( !n2nIt->second ) {
1775 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1776 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1778 nodes[ nbN ] = n2nIt->second;
1781 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1782 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1783 // nodes[3], nodes[4], nodes[5]); break;
1784 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1785 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1786 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1787 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1788 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1795 * \brief A structure holding an error description and a verbisity level
1797 struct message_cb_user_data
1799 std::string * _error;
1806 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1807 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1808 real *duu, real *duv, real *dvv, void *user_data);
1809 status_t message_cb(message_t *msg, void *user_data);
1810 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1812 //=============================================================================
1816 //=============================================================================
1818 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1820 // Fix problem with locales
1821 Kernel_Utils::Localizer aLocalizer;
1823 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1825 bool viscousLayersMade =
1826 ( aShape.ShapeType() == TopAbs_FACE &&
1827 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1829 if ( !viscousLayersMade )
1830 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1833 if ( _haveViscousLayers || viscousLayersMade )
1835 // Compute viscous layers
1837 TopTools_MapOfShape map;
1838 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1840 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1841 if ( !map.Add( F )) continue;
1842 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1844 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1846 // Compute MG-CADSurf mesh on viscous layers
1848 if ( viscousMesh->NbProxySubMeshes() > 0 )
1851 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1852 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1854 tmpMesh.FillInOrigMesh( aMesh, F );
1858 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1860 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1862 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1863 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1864 if ( fSM->IsMeshComputed() ) continue;
1866 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1874 //=============================================================================
1878 //=============================================================================
1880 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1881 const TopoDS_Shape& aShape,
1882 bool allowSubMeshClearing)
1884 /* create a distene context (generic object) */
1885 status_t status = STATUS_ERROR;
1887 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1888 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1889 myHelper = theHelper = & helperWithShape;
1890 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1891 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1892 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1893 bool quadraticSubMeshAndViscousLayer = false;
1894 bool needMerge = false;
1895 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1896 TSubMeshSet edgeSubmeshes;
1897 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1899 TopTools_IndexedMapOfShape pmap, emap, fmap;
1901 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1902 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1904 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1906 feclearexcept( FE_ALL_EXCEPT );
1907 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1910 context_t *ctx = context_new();
1912 /* Set the message callback in the working context */
1913 message_cb_user_data mcud;
1914 mcud._error = & this->SMESH_Algo::_comment;
1915 mcud._progress = & this->SMESH_Algo::_progress;
1917 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1918 context_set_message_callback(ctx, message_cb, &mcud);
1920 /* set the interruption callback */
1921 _compute_canceled = false;
1922 context_set_interrupt_callback(ctx, interrupt_cb, this);
1924 /* create the CAD object we will work on. It is associated to the context ctx. */
1925 cad_t *c = cad_new(ctx);
1926 dcad_t *dcad = dcad_new(c);
1928 // To enable multithreading
1929 cad_set_thread_safety(c, 1);
1931 /* Now fill the CAD object with data from your CAD
1932 * environement. This is the most complex part of a successfull
1938 cadsurf_session_t *css = cadsurf_session_new(ctx);
1940 // an object that correctly deletes all cadsurf objects at destruction
1941 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1943 SetParameters(_hypothesis, css, aShape);
1945 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1946 helper.SetIsQuadratic( haveQuadraticSubMesh );
1948 // To remove as soon as quadratic mesh is allowed - BEGIN
1949 // GDD: Viscous layer is not allowed with quadratic mesh
1950 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1951 quadraticSubMeshAndViscousLayer = true;
1952 _haveViscousLayers = !haveQuadraticSubMesh;
1953 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1954 error(COMPERR_WARNING, _comment);
1956 // To remove as soon as quadratic mesh is allowed - END
1958 // needed to prevent the opencascade memory managmement from freeing things
1959 vector<Handle(Geom2d_Curve)> curves;
1960 vector<Handle(Geom_Surface)> surfaces;
1964 FaceId2PythonSmp.clear();
1965 EdgeId2PythonSmp.clear();
1966 VertexId2PythonSmp.clear();
1968 /****************************************************************************************
1970 *****************************************************************************************/
1972 string bad_end = "return";
1974 TopTools_IndexedMapOfShape _map;
1975 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
1976 int ienf = _map.Extent();
1978 assert(Py_IsInitialized());
1979 PyGILState_STATE gstate;
1981 string theSizeMapStr;
1983 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1985 TopoDS_Face f = TopoDS::Face(face_iter.Current());
1987 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
1988 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
1990 // make INTERNAL face oriented FORWARD (issue 0020993)
1991 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
1992 f.Orientation(TopAbs_FORWARD);
1994 iface = fmap.Add(f);
1996 surfaces.push_back(BRep_Tool::Surface(f));
1998 /* create an object representing the face for cadsurf */
1999 /* where face_id is an integer identifying the face.
2000 * surf_function is the function that defines the surface
2001 * (For this face, it will be called by cadsurf with your_face_object_ptr
2002 * as last parameter.
2004 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2006 /* by default a face has no tag (color).
2007 The following call sets it to the same value as the Geom module ID : */
2008 int faceTag = meshDS->ShapeToIndex(f);
2009 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2010 cad_face_set_tag(fce, faceTag);
2012 /* Set face orientation (optional if you want a well oriented output mesh)*/
2013 if(f.Orientation() != TopAbs_FORWARD)
2014 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2016 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2018 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2020 // -----------------
2022 // -----------------
2023 faceKey = FacesWithSizeMap.FindIndex(f);
2026 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2028 theSizeMapStr = FaceId2SizeMap[faceKey];
2029 // check if function ends with "return"
2030 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2032 // Expr To Python function, verification is performed at validation in GUI
2033 gstate = PyGILState_Ensure();
2034 PyObject * obj = NULL;
2035 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2037 PyObject * func = NULL;
2038 func = PyObject_GetAttrString(main_mod, "f");
2039 FaceId2PythonSmp[iface]=func;
2040 FaceId2SizeMap.erase(faceKey);
2041 PyGILState_Release(gstate);
2044 // Specific size map = Attractor
2045 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2047 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2048 if (attractor_iter->first == faceKey)
2050 double xyzCoords[3] = {attractor_iter->second[2],
2051 attractor_iter->second[3],
2052 attractor_iter->second[4]};
2054 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2055 BRepClass_FaceClassifier scl(f,P,1e-7);
2056 scl.Perform(f, P, 1e-7);
2057 TopAbs_State result = scl.State();
2058 if ( result == TopAbs_OUT )
2059 MESSAGE("Point is out of face: node is not created");
2060 if ( result == TopAbs_UNKNOWN )
2061 MESSAGE("Point position on face is unknown: node is not created");
2062 if ( result == TopAbs_ON )
2063 MESSAGE("Point is on border of face: node is not created");
2064 if ( result == TopAbs_IN )
2066 // Point is inside face and not on border
2067 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2069 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2070 cad_point_set_tag(point_p, ienf);
2072 FaceId2AttractorCoords.erase(faceKey);
2076 // -----------------
2078 // -----------------
2079 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2080 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2081 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2082 for ( size_t i = 0; i < attVec.size(); ++i )
2083 if ( !attVec[i]->IsMapBuilt() ) {
2084 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2085 attVec[i]->BuildMap();
2087 FaceIndex2ClassAttractor[iface].swap( attVec );
2088 FaceId2ClassAttractor.erase(clAttractor_iter);
2090 } // if (HasSizeMapOnFace && !use_precad)
2092 // ------------------
2093 // Enforced Vertices
2094 // ------------------
2095 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2096 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2097 if (evmIt != FaceId2EnforcedVertexCoords.end())
2099 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2100 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2101 for (; evlIt != evl.end(); ++evlIt)
2103 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2105 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2107 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2108 xyzCoords.push_back(evlIt->at(2));
2109 xyzCoords.push_back(evlIt->at(3));
2110 xyzCoords.push_back(evlIt->at(4));
2111 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2112 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2113 !enfCoordsIt->second.empty() )
2115 // to merge nodes of an INTERNAL vertex belonging to several faces
2116 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2117 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2118 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2120 tag = pmap.Add( v );
2121 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2122 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2123 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2124 // //if ( tag != pmap.Extent() )
2125 // needMerge = true;
2128 if ( tag == 0 ) tag = ienf;
2129 cad_point_set_tag(point_p, tag);
2131 FaceId2EnforcedVertexCoords.erase(faceKey);
2135 /****************************************************************************************
2137 now create the edges associated to this face
2138 *****************************************************************************************/
2140 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2142 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2143 int ic = emap.FindIndex(e);
2148 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2150 if (HasSizeMapOnEdge){
2151 edgeKey = EdgesWithSizeMap.FindIndex(e);
2152 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2154 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2155 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2157 // Expr To Python function, verification is performed at validation in GUI
2158 gstate = PyGILState_Ensure();
2159 PyObject * obj = NULL;
2160 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2162 PyObject * func = NULL;
2163 func = PyObject_GetAttrString(main_mod, "f");
2164 EdgeId2PythonSmp[ic]=func;
2165 EdgeId2SizeMap.erase(edgeKey);
2166 PyGILState_Release(gstate);
2169 /* data of nodes existing on the edge */
2170 StdMeshers_FaceSidePtr nodeData;
2171 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2172 if ( !sm->IsEmpty() )
2174 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2175 // /*complexFirst=*/false);
2176 // while ( subsmIt->more() )
2177 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2178 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2180 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2181 /*ignoreMedium=*/haveQuadraticSubMesh));
2182 if ( nodeData->MissVertexNode() )
2183 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2185 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2186 if ( !nodeDataVec.empty() )
2188 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2190 nodeData->Reverse();
2191 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2193 // tmin and tmax can change in case of viscous layer on an adjacent edge
2194 tmin = nodeDataVec.front().param;
2195 tmax = nodeDataVec.back().param;
2199 cout << "---------------- Invalid nodeData" << endl;
2204 /* attach the edge to the current cadsurf face */
2205 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2207 /* by default an edge has no tag (color).
2208 The following call sets it to the same value as the edge_id : */
2209 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2210 bool isInHyperPatch = false;
2212 std::set< int > faceTags, faceIDs;
2213 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2214 for ( ; fIt.More(); fIt.Next() )
2216 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2217 if ( !faceIDs.insert( faceTag ).second )
2218 continue; // a face encounters twice for a seam edge
2219 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2220 if ( !faceTags.insert( hpTag ).second )
2222 isInHyperPatch = true;
2227 if ( !isInHyperPatch )
2228 cad_edge_set_tag(edg, ic);
2230 /* by default, an edge does not necessalry appear in the resulting mesh,
2231 unless the following property is set :
2233 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2235 /* by default an edge is a boundary edge */
2236 if (e.Orientation() == TopAbs_INTERNAL)
2237 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2239 // pass existing nodes of sub-meshes to MG-CADSurf
2242 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2243 const int nbNodes = nodeDataVec.size();
2245 dcad_edge_discretization_t *dedge;
2246 dcad_get_edge_discretization(dcad, edg, &dedge);
2247 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2249 // cout << endl << " EDGE " << ic << endl;
2250 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2251 for ( int iN = 0; iN < nbNodes; ++iN )
2253 const UVPtStruct& nData = nodeDataVec[ iN ];
2254 double t = nData.param;
2255 real uv[2] = { nData.u, nData.v };
2256 SMESH_TNodeXYZ nXYZ( nData.node );
2257 // cout << "\tt = " << t
2258 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2259 // << "\t u = " << nData.param
2260 // << "\t ID = " << nData.node->GetID() << endl;
2261 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ.ChangeData() );
2263 TopoDS_Shape v = helper.GetSubShapeByNode( nodeDataVec[0].node, meshDS );
2264 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2265 dcad_edge_discretization_set_vertex_tag( dedge, 1, pmap.Add( v ));
2267 v = helper.GetSubShapeByNode( nodeDataVec.back().node, meshDS );
2268 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2269 dcad_edge_discretization_set_vertex_tag( dedge, nbNodes, pmap.Add( v ));
2271 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2274 /****************************************************************************************
2276 *****************************************************************************************/
2280 gp_Pnt2d e0 = curves.back()->Value(tmin);
2281 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2282 Standard_Real d1=0,d2=0;
2285 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2286 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2290 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2293 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2295 *ip = pmap.FindIndex(v);
2298 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2299 // if ( sm->IsMeshComputed() )
2300 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2303 // std::string aFileName = "fmap_vertex_";
2304 // aFileName.append(val_to_string(*ip));
2305 // aFileName.append(".brep");
2306 // BRepTools::Write(v,aFileName.c_str());
2308 if (HasSizeMapOnVertex){
2309 vertexKey = VerticesWithSizeMap.FindIndex(v);
2310 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2311 theSizeMapStr = VertexId2SizeMap[vertexKey];
2312 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2314 // Expr To Python function, verification is performed at validation in GUI
2315 gstate = PyGILState_Ensure();
2316 PyObject * obj = NULL;
2317 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2319 PyObject * func = NULL;
2320 func = PyObject_GetAttrString(main_mod, "f");
2321 VertexId2PythonSmp[*ip]=func;
2322 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2323 PyGILState_Release(gstate);
2328 // should not happen
2329 MESSAGE("An edge does not have 2 extremities.");
2332 // This defines the curves extremity connectivity
2333 cad_edge_set_extremities(edg, ip1, ip2);
2334 /* set the tag (color) to the same value as the extremity id : */
2335 cad_edge_set_extremities_tag(edg, ip1, ip2);
2338 cad_edge_set_extremities(edg, ip2, ip1);
2339 cad_edge_set_extremities_tag(edg, ip2, ip1);
2345 // Clear mesh from already meshed edges if possible else
2346 // remember that merge is needed
2347 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2348 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2350 SMESHDS_SubMesh* smDS = *smIt;
2351 if ( !smDS ) continue;
2352 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2355 const SMDS_MeshNode* n = nIt->next();
2356 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2358 needMerge = true; // to correctly sew with viscous mesh
2359 // add existing medium nodes to helper
2360 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2362 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2363 while ( edgeIt->more() )
2364 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2369 if ( allowSubMeshClearing )
2371 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2372 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2373 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2374 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2383 ///////////////////////
2385 ///////////////////////
2387 if (! _preCadFacesIDsPeriodicityVector.empty())
2389 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2390 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2391 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2392 int* theFace1_ids_c = &theFace1_ids[0];
2393 int* theFace2_ids_c = &theFace2_ids[0];
2394 std::ostringstream o;
2395 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2396 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2397 o << theFace1_ids[j] << ", ";
2399 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2400 o << theFace2_ids[j] << ", ";
2402 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2403 // cout << o.str() << endl;
2404 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2406 // If no source points, call periodicity without transformation function
2407 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2408 status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2409 theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2410 if(status != STATUS_OK)
2411 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2415 // get the transformation vertices
2416 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2417 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2418 int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2419 int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2421 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2422 theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2423 if(status != STATUS_OK)
2424 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2429 if (! _preCadEdgesIDsPeriodicityVector.empty())
2431 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2432 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2433 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2434 // Use the address of the first element of the vector to initialize the array
2435 int* theEdge1_ids_c = &theEdge1_ids[0];
2436 int* theEdge2_ids_c = &theEdge2_ids[0];
2438 std::ostringstream o;
2439 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2440 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2441 o << theEdge1_ids[j] << ", ";
2443 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2444 o << theEdge2_ids[j] << ", ";
2446 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2447 // cout << o.str() << endl;
2449 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2451 // If no source points, call periodicity without transformation function
2452 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2453 status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2454 theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2455 if(status != STATUS_OK)
2456 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2460 // get the transformation vertices
2461 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2462 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2463 int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2464 int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2466 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2467 theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2468 if(status != STATUS_OK)
2469 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2475 // TODO: be able to use a mesh in input.
2476 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2477 // => cadsurf_set_mesh
2479 // Use the original dcad
2480 cadsurf_set_dcad(css, dcad);
2482 // Use the original cad
2483 cadsurf_set_cad(css, c);
2485 std::cout << std::endl;
2486 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2487 std::cout << std::endl;
2492 status = cadsurf_compute_mesh(css);
2495 catch ( std::exception& exc ) {
2496 _comment += exc.what();
2498 catch (Standard_Failure& ex) {
2499 _comment += ex.DynamicType()->Name();
2500 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2502 _comment += ex.GetMessageString();
2506 if ( _comment.empty() )
2507 _comment = "Exception in cadsurf_compute_mesh()";
2510 std::cout << std::endl;
2511 std::cout << "End of Surface Mesh generation" << std::endl;
2512 std::cout << std::endl;
2515 cadsurf_get_mesh(css, &msh);
2517 /* release the mesh object */
2518 cadsurf_regain_mesh(css, msh);
2519 return error(_comment);
2522 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2524 GMFFileName = _hypothesis->GetGMFFile();
2525 if (GMFFileName != "") {
2526 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2527 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2528 if (!asciiFound && !binaryFound)
2529 GMFFileName.append(".mesh");
2530 mesh_write_mesh(msh, GMFFileName.c_str());
2533 /* retrieve mesh data (see meshgems/mesh.h) */
2534 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2535 integer *evedg, *evtri, *evquad, *tags_buff, type;
2538 mesh_get_vertex_count(msh, &nv);
2539 mesh_get_edge_count(msh, &ne);
2540 mesh_get_triangle_count(msh, &nt);
2541 mesh_get_quadrangle_count(msh, &nq);
2543 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2544 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2545 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2546 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2548 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2549 std::vector<bool> tags(nv+1);
2551 /* enumerated vertices */
2552 for(int iv=1;iv<=nv;iv++) {
2553 mesh_get_vertex_coordinates(msh, iv, xyz);
2554 mesh_get_vertex_tag(msh, iv, &tag);
2555 // Issue 0020656. Use vertex coordinates
2557 if ( tag > 0 && tag <= pmap.Extent() ) {
2558 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2559 double tol = BRep_Tool::Tolerance( v );
2560 gp_Pnt p = BRep_Tool::Pnt( v );
2561 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 1e3*tol))
2562 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2564 tag = 0; // enforced or attracted vertex
2565 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2568 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2570 // Create group of enforced vertices if requested
2571 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2573 projVertex.push_back((double)xyz[0]);
2574 projVertex.push_back((double)xyz[1]);
2575 projVertex.push_back((double)xyz[2]);
2576 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2577 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2579 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2580 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2581 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2582 currentEnfVertex = (*enfListIt);
2583 if (currentEnfVertex->grpName != "") {
2584 bool groupDone = false;
2585 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2586 while (grIt->more()) {
2587 SMESH_Group * group = grIt->next();
2588 if ( !group ) continue;
2589 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2590 if ( !groupDS ) continue;
2591 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2592 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2593 aGroupDS->SMDSGroup().Add(nodes[iv]);
2594 // How can I inform the hypothesis ?
2595 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2602 SMESH_Group* aGroup = aMesh.AddGroup( SMDSAbs_Node, currentEnfVertex->grpName.c_str() );
2603 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2604 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2605 aGroupDS->SMDSGroup().Add(nodes[iv]);
2609 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2612 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2616 // internal points are tagged to zero
2617 if(tag > 0 && tag <= pmap.Extent() ){
2618 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2625 /* enumerate edges */
2626 for(int it=1;it<=ne;it++) {
2628 mesh_get_edge_vertices(msh, it, vtx);
2629 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2630 mesh_get_edge_tag(msh, it, &tag);
2632 // If PreCAD performed some cleaning operations (remove tiny edges,
2633 // merge edges ...) an output tag can indeed represent several original tags.
2634 // Get the initial tags corresponding to the output tag and redefine the tag as
2635 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2636 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2638 tag=tags_buff[nb_tag-1];
2639 if ( tag < 1 || tag > emap.Extent() )
2641 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2642 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2646 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2647 tags[vtx[0]] = false;
2650 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2651 tags[vtx[1]] = false;
2653 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2655 if (tags[evedg[0]]) {
2656 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2657 tags[evedg[0]] = false;
2659 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2662 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2664 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2667 /* enumerate triangles */
2668 for(int it=1;it<=nt;it++) {
2670 mesh_get_triangle_vertices(msh, it, vtx);
2671 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2672 mesh_get_triangle_tag(msh, it, &tag);
2674 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2675 tags[vtx[0]] = false;
2678 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2679 tags[vtx[1]] = false;
2682 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2683 tags[vtx[2]] = false;
2685 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2686 // QUADRATIC TRIANGLE
2687 if (tags[evtri[0]]) {
2688 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2689 tags[evtri[0]] = false;
2691 if (tags[evtri[1]]) {
2692 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2693 tags[evtri[1]] = false;
2695 if (tags[evtri[2]]) {
2696 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2697 tags[evtri[2]] = false;
2699 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2700 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2703 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2705 meshDS->SetMeshElementOnShape(tri, tag);
2708 /* enumerate quadrangles */
2709 for(int it=1;it<=nq;it++) {
2710 SMDS_MeshFace* quad;
2711 mesh_get_quadrangle_vertices(msh, it, vtx);
2712 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2713 mesh_get_quadrangle_tag(msh, it, &tag);
2715 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2716 tags[vtx[0]] = false;
2719 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2720 tags[vtx[1]] = false;
2723 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2724 tags[vtx[2]] = false;
2727 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2728 tags[vtx[3]] = false;
2730 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2731 // QUADRATIC QUADRANGLE
2732 std::cout << "This is a quadratic quadrangle" << std::endl;
2733 if (tags[evquad[0]]) {
2734 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2735 tags[evquad[0]] = false;
2737 if (tags[evquad[1]]) {
2738 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2739 tags[evquad[1]] = false;
2741 if (tags[evquad[2]]) {
2742 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2743 tags[evquad[2]] = false;
2745 if (tags[evquad[3]]) {
2746 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2747 tags[evquad[3]] = false;
2749 if (tags[evquad[4]]) {
2750 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2751 tags[evquad[4]] = false;
2753 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2754 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2758 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2760 meshDS->SetMeshElementOnShape(quad, tag);
2763 /* release the mesh object, the rest is released by cleaner */
2764 cadsurf_regain_mesh(css, msh);
2767 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2768 for(int iv=1;iv<=nv;iv++)
2769 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2770 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2773 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2775 SMESH_MeshEditor editor( &aMesh );
2776 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2777 TIDSortedElemSet segementsOnEdge;
2778 TSubMeshSet::iterator smIt;
2779 SMESHDS_SubMesh* smDS;
2781 // merge nodes on EDGE's with ones computed by MG-CADSurf
2782 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2784 if (! (smDS = *smIt) ) continue;
2785 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2787 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2788 while ( segIt->more() )
2789 segementsOnEdge.insert( segIt->next() );
2792 editor.MergeNodes( nodeGroupsToMerge );
2795 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2796 editor.FindEqualElements( segementsOnEdge, equalSegments );
2797 editor.MergeElements( equalSegments );
2799 // remove excess segments created on the boundary of viscous layers
2800 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2801 for ( int i = 1; i <= emap.Extent(); ++i )
2803 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2805 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2806 while ( segIt->more() )
2808 const SMDS_MeshElement* seg = segIt->next();
2809 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2810 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2811 meshDS->RemoveFreeElement( seg, smDS );
2818 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2819 for (int i = 1; i <= emap.Extent(); i++)
2820 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2821 sm->SetIsAlwaysComputed( true );
2822 for (int i = 1; i <= pmap.Extent(); i++)
2823 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2824 if ( !sm->IsMeshComputed() )
2825 sm->SetIsAlwaysComputed( true );
2827 // Set error to FACE's w/o elements
2828 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2829 if ( _comment.empty() && status == STATUS_OK )
2831 err = COMPERR_WARNING;
2832 _comment = "No mesh elements assigned to a face";
2834 bool badFaceFound = false;
2835 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2837 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2838 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2839 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2841 int faceTag = sm->GetId();
2842 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2844 // triangles are assigned to the first face of hyper-patch
2845 sm->SetIsAlwaysComputed( true );
2849 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2850 badFaceFound = true;
2854 if ( err == COMPERR_WARNING )
2858 if ( status != STATUS_OK && !badFaceFound ) {
2862 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2864 if ( oldFEFlags > 0 )
2865 feenableexcept( oldFEFlags );
2866 feclearexcept( FE_ALL_EXCEPT );
2870 std::cout << "FacesWithSizeMap" << std::endl;
2871 FacesWithSizeMap.Statistics(std::cout);
2872 std::cout << "EdgesWithSizeMap" << std::endl;
2873 EdgesWithSizeMap.Statistics(std::cout);
2874 std::cout << "VerticesWithSizeMap" << std::endl;
2875 VerticesWithSizeMap.Statistics(std::cout);
2876 std::cout << "FacesWithEnforcedVertices" << std::endl;
2877 FacesWithEnforcedVertices.Statistics(std::cout);
2880 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2883 //================================================================================
2885 * \brief Compute a mesh basing on discrete CAD description
2887 //================================================================================
2889 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2891 if ( aMesh.NbFaces() == 0 )
2892 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2894 context_t *ctx = context_new();
2895 if (!ctx) return error("Pb in context_new()");
2897 BLSURF_Cleaner cleaner( ctx );
2899 message_cb_user_data mcud;
2900 mcud._error = & this->SMESH_Algo::_comment;
2901 mcud._progress = & this->SMESH_Algo::_progress;
2903 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
2904 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
2905 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
2907 cadsurf_session_t * css = cadsurf_session_new(ctx);
2908 if(!css) return error( "Pb. in cadsurf_session_new() " );
2912 // Fill an input mesh
2914 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
2915 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
2917 // mark nodes used by 2D elements
2918 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
2919 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
2920 while ( nodeIt->more() )
2922 const SMDS_MeshNode* n = nodeIt->next();
2923 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
2925 meshgems_mesh_set_vertex_count( msh, meshDS->NbNodes() );
2927 // set node coordinates
2928 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
2930 meshDS->CompactMesh();
2933 nodeIt = meshDS->nodesIterator();
2935 for ( i = 1; nodeIt->more(); ++i )
2937 nXYZ.Set( nodeIt->next() );
2938 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ.ChangeData() );
2941 // set nodes of faces
2942 meshgems_mesh_set_triangle_count ( msh, meshDS->GetMeshInfo().NbTriangles() );
2943 meshgems_mesh_set_quadrangle_count( msh, meshDS->GetMeshInfo().NbQuadrangles() );
2944 meshgems_integer nodeIDs[4];
2945 meshgems_integer iT = 1, iQ = 1;
2946 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
2947 while ( faceIt->more() )
2949 const SMDS_MeshElement* face = faceIt->next();
2950 meshgems_integer nbNodes = face->NbCornerNodes();
2951 if ( nbNodes > 4 || face->IsPoly() ) continue;
2953 for ( i = 0; i < nbNodes; ++i )
2954 nodeIDs[i] = face->GetNode( i )->GetID();
2956 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
2958 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
2961 ret = cadsurf_set_mesh(css, msh);
2962 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
2967 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
2969 ret = cadsurf_compute_mesh(css);
2970 if ( ret != STATUS_OK ) return false;
2973 cadsurf_get_mesh(css, &omsh);
2974 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
2977 // Update SALOME mesh
2979 // remove quadrangles and triangles
2980 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
2982 const SMDS_MeshElement* face = faceIt->next();
2983 if ( !face->IsPoly() )
2984 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
2986 // remove edges that bound the just removed faces
2987 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
2989 const SMDS_MeshElement* edge = edgeIt->next();
2990 const SMDS_MeshNode* n0 = edge->GetNode(0);
2991 const SMDS_MeshNode* n1 = edge->GetNode(1);
2992 if ( n0->isMarked() &&
2994 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
2995 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
2996 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
2998 // remove nodes that just became free
2999 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3001 const SMDS_MeshNode* n = nodeIt->next();
3002 if ( n->isMarked() && n->NbInverseElements() == 0 )
3003 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3007 meshgems_integer nbvtx = 0, nodeID;
3008 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3009 meshgems_real xyz[3];
3010 for ( i = 1; i <= nbvtx; ++i )
3012 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3013 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3014 nodeID = n->GetID();
3015 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3019 meshgems_integer nbtri = 0;
3020 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3021 const SMDS_MeshNode* nodes[3];
3022 for ( i = 1; i <= nbtri; ++i )
3024 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3025 for ( int j = 0; j < 3; ++j )
3027 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3028 nodes[j] = meshDS->FindNode( nodeID );
3030 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3033 cadsurf_regain_mesh(css, omsh);
3035 // as we don't assign the new triangles to a shape (the pseudo-shape),
3036 // we mark the shape as always computed to avoid the error messages
3037 // that no elements assigned to the shape
3038 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3043 //================================================================================
3045 * \brief Terminates computation
3047 //================================================================================
3049 void BLSURFPlugin_BLSURF::CancelCompute()
3051 _compute_canceled = true;
3054 //=============================================================================
3058 //=============================================================================
3060 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3061 const SMDS_MeshNode* node,
3062 const TopoDS_Shape& ed)
3064 const TopoDS_Edge edge = TopoDS::Edge(ed);
3066 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3068 Standard_Real p0 = 0.0;
3069 Standard_Real p1 = 1.0;
3070 TopLoc_Location loc;
3071 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3072 if ( curve.IsNull() )
3074 // issue 22499. Node at a sphere apex
3075 meshDS->SetNodeOnEdge(node, edge, p0);
3079 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3080 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3083 if ( proj.NbPoints() > 0 )
3085 pa = (double)proj.LowerDistanceParameter();
3086 // Issue 0020656. Move node if it is too far from edge
3087 gp_Pnt curve_pnt = curve->Value( pa );
3088 double dist2 = pnt.SquareDistance( curve_pnt );
3089 double tol = BRep_Tool::Tolerance( edge );
3090 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3092 curve_pnt.Transform( loc );
3093 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3097 meshDS->SetNodeOnEdge(node, edge, pa);
3100 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3102 * NOTE : if when your CAD systems evaluates second
3103 * order derivatives it also computes first order derivatives and
3104 * function evaluation, you can optimize this example by making only
3105 * one CAD call and filling the necessary uv, dt, dtt arrays.
3107 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3109 /* t is given. It contains the t (time) 1D parametric coordintaes
3110 of the point PreCAD/MG-CADSurf is querying on the curve */
3112 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
3113 * (see cad_edge_new later in this example) */
3114 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3117 /* MG-CADSurf is querying the function evaluation */
3120 uv[0]=P.X(); uv[1]=P.Y();
3124 /* query for the first order derivatives */
3127 dt[0]=V1.X(); dt[1]=V1.Y();
3131 /* query for the second order derivatives */
3134 dtt[0]=V2.X(); dtt[1]=V2.Y();
3140 /* Surface definition function.
3141 * See cad_surf_t in file meshgems/cad.h for more information.
3142 * NOTE : if when your CAD systems evaluates second order derivatives it also
3143 * computes first order derivatives and function evaluation, you can optimize
3144 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3147 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3148 real *duu, real *duv, real *dvv, void *user_data)
3150 /* uv[2] is given. It contains the u,v coordinates of the point
3151 * PreCAD/MG-CADSurf is querying on the surface */
3153 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3154 * cad_face_new later in this example)*/
3155 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3159 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3160 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3167 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3168 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3169 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3172 if(duu && duv && dvv){
3176 gp_Vec D2U,D2V,D2UV;
3178 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3179 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3180 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3181 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3188 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3190 TId2ClsAttractorVec::iterator f2attVec;
3191 if (FaceId2PythonSmp.count(face_id) != 0) {
3192 assert(Py_IsInitialized());
3193 PyGILState_STATE gstate;
3194 gstate = PyGILState_Ensure();
3195 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3197 if ( pyresult != NULL) {
3198 result = PyFloat_AsDouble(pyresult);
3199 Py_DECREF(pyresult);
3204 string err_description="";
3205 PyObject* new_stderr = newPyStdOut(err_description);
3206 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3207 Py_INCREF(old_stderr);
3208 PySys_SetObject((char*)"stderr", new_stderr);
3210 PySys_SetObject((char*)"stderr", old_stderr);
3211 Py_DECREF(new_stderr);
3212 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3213 result = *((real*)user_data);
3216 PyGILState_Release(gstate);
3218 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3222 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3223 for ( size_t i = 0; i < attVec.size(); ++i )
3225 //result += attVec[i]->GetSize(uv[0],uv[1]);
3226 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3228 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3232 *size = *((real*)user_data);
3234 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3238 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3240 if (EdgeId2PythonSmp.count(edge_id) != 0){
3241 assert(Py_IsInitialized());
3242 PyGILState_STATE gstate;
3243 gstate = PyGILState_Ensure();
3244 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3246 if ( pyresult != NULL) {
3247 result = PyFloat_AsDouble(pyresult);
3248 Py_DECREF(pyresult);
3253 string err_description="";
3254 PyObject* new_stderr = newPyStdOut(err_description);
3255 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3256 Py_INCREF(old_stderr);
3257 PySys_SetObject((char*)"stderr", new_stderr);
3259 PySys_SetObject((char*)"stderr", old_stderr);
3260 Py_DECREF(new_stderr);
3261 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3262 result = *((real*)user_data);
3265 PyGILState_Release(gstate);
3268 *size = *((real*)user_data);
3273 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3275 if (VertexId2PythonSmp.count(point_id) != 0){
3276 assert(Py_IsInitialized());
3277 PyGILState_STATE gstate;
3278 gstate = PyGILState_Ensure();
3279 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3281 if ( pyresult != NULL) {
3282 result = PyFloat_AsDouble(pyresult);
3283 Py_DECREF(pyresult);
3288 string err_description="";
3289 PyObject* new_stderr = newPyStdOut(err_description);
3290 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3291 Py_INCREF(old_stderr);
3292 PySys_SetObject((char*)"stderr", new_stderr);
3294 PySys_SetObject((char*)"stderr", old_stderr);
3295 Py_DECREF(new_stderr);
3296 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3297 result = *((real*)user_data);
3300 PyGILState_Release(gstate);
3303 *size = *((real*)user_data);
3309 * The following function will be called for PreCAD/MG-CADSurf message
3310 * printing. See context_set_message_callback (later in this
3311 * template) for how to set user_data.
3313 status_t message_cb(message_t *msg, void *user_data)
3315 integer errnumber = 0;
3317 message_get_number(msg, &errnumber);
3318 message_get_description(msg, &desc);
3320 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3321 // Get all the error message and some warning messages related to license and periodicity
3322 if ( errnumber < 0 ||
3323 err.find("license" ) != string::npos ||
3324 err.find("periodicity") != string::npos )
3326 // remove ^A from the tail
3327 int len = strlen( desc );
3328 while (len > 0 && desc[len-1] != '\n')
3330 mcud->_error->append( desc, len );
3333 if ( errnumber == 3009001 )
3334 * mcud->_progress = atof( desc + 11 ) / 100.;
3335 if ( mcud->_verbosity > 0 )
3336 std::cout << desc << std::endl;
3341 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3342 * function regularily. See the file meshgems/interrupt.h
3344 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3346 integer you_want_to_continue = 1;
3347 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3348 you_want_to_continue = !tmp->computeCanceled();
3350 if(you_want_to_continue)
3352 *interrupt_status = INTERRUPT_CONTINUE;
3355 else /* you want to stop MG-CADSurf */
3357 *interrupt_status = INTERRUPT_STOP;
3358 return STATUS_ERROR;
3362 //=============================================================================
3366 //=============================================================================
3367 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3368 const TopoDS_Shape& aShape,
3369 MapShapeNbElems& aResMap)
3371 double diagonal = aMesh.GetShapeDiagonalSize();
3372 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3373 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3374 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3375 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3376 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3377 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3378 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3380 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3381 _phySizeRel = _hypothesis->IsPhySizeRel();
3382 if ( _hypothesis->GetPhySize() > 0)
3383 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3384 //_geometricMesh = (int) hyp->GetGeometricMesh();
3385 if (_hypothesis->GetAngleMesh() > 0)
3386 _angleMesh = _hypothesis->GetAngleMesh();
3387 _elementType = _hypothesis->GetElementType();
3389 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3390 // GetDefaultPhySize() sometimes leads to computation failure
3391 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3394 bool IsQuadratic = _quadraticMesh;
3399 TopTools_DataMapOfShapeInteger EdgesMap;
3400 double fullLen = 0.0;
3401 double fullNbSeg = 0;
3402 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3403 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3404 if( EdgesMap.IsBound(E) )
3406 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3407 double aLen = SMESH_Algo::EdgeLength(E);
3410 if(_physicalMesh==1) {
3411 nb1d = (int)( aLen/_phySize + 1 );
3416 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3417 double fullAng = 0.0;
3418 double dp = (l-f)/200;
3423 for(int j=2; j<=200; j++) {
3426 fullAng += fabs(V1.Angle(V2));
3430 nb1d = (int)( fullAng/_angleMesh + 1 );
3433 std::vector<int> aVec(SMDSEntity_Last);
3434 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3435 if( IsQuadratic > 0 ) {
3436 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3437 aVec[SMDSEntity_Quad_Edge] = nb1d;
3440 aVec[SMDSEntity_Node] = nb1d - 1;
3441 aVec[SMDSEntity_Edge] = nb1d;
3443 aResMap.insert(std::make_pair(sm,aVec));
3444 EdgesMap.Bind(E,nb1d);
3446 double ELen = fullLen/fullNbSeg;
3450 // try to evaluate as in MEFISTO
3451 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3452 TopoDS_Face F = TopoDS::Face( exp.Current() );
3453 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3455 BRepGProp::SurfaceProperties(F,G);
3456 double anArea = G.Mass();
3458 std::vector<int> nb1dVec;
3459 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3460 int nbSeg = EdgesMap.Find(exp1.Current());
3462 nb1dVec.push_back( nbSeg );
3465 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3466 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3467 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3469 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3471 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3473 nbNodes = (n1 + 1) * (n2 + 1);
3478 nbTria = nbQuad = nbTria / 3 + 1;
3481 std::vector<int> aVec(SMDSEntity_Last,0);
3483 int nb1d_in = (nbTria*3 - nb1d) / 2;
3484 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3485 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3486 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3489 aVec[SMDSEntity_Node] = nbNodes;
3490 aVec[SMDSEntity_Triangle] = nbTria;
3491 aVec[SMDSEntity_Quadrangle] = nbQuad;
3493 aResMap.insert(std::make_pair(sm,aVec));
3500 BRepGProp::VolumeProperties(aShape,G);
3501 double aVolume = G.Mass();
3502 double tetrVol = 0.1179*ELen*ELen*ELen;
3503 int nbVols = int(aVolume/tetrVol);
3504 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3505 std::vector<int> aVec(SMDSEntity_Last);
3506 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3508 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3509 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3512 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3513 aVec[SMDSEntity_Tetra] = nbVols;
3515 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3516 aResMap.insert(std::make_pair(sm,aVec));