1 // Copyright (C) 2007-2021 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"
29 #include "BLSURFPlugin_Attractor.hxx"
30 #include "BLSURFPlugin_EnforcedMesh1D.hxx"
31 #include "BLSURFPlugin_Hypothesis.hxx"
34 #include <meshgems/meshgems.h>
35 #include <meshgems/cadsurf.h>
38 #include <SMDS_EdgePosition.hxx>
39 #include <SMESHDS_Group.hxx>
40 #include <SMESH_File.hxx>
41 #include <SMESH_Gen.hxx>
42 #include <SMESH_Group.hxx>
43 #include <SMESH_MGLicenseKeyGen.hxx>
44 #include <SMESH_Mesh.hxx>
45 #include <SMESH_MeshEditor.hxx>
46 #include <SMESH_MesherHelper.hxx>
47 #include <StdMeshers_FaceSide.hxx>
48 #include <StdMeshers_ViscousLayers2D.hxx>
50 #include <Basics_Utils.hxx>
51 #include <utilities.h>
59 #include <structmember.h> // python
61 // OPENCASCADE includes
62 #include <BRepBndLib.hxx>
63 #include <BRepBuilderAPI_MakeFace.hxx>
64 #include <BRepBuilderAPI_MakePolygon.hxx>
65 #include <BRepBuilderAPI_MakeWire.hxx>
66 #include <BRepGProp.hxx>
67 #include <BRepTools.hxx>
68 #include <BRep_Builder.hxx>
69 #include <BRep_Tool.hxx>
70 #include <GProp_GProps.hxx>
71 #include <Geom2d_Curve.hxx>
72 #include <Geom2d_Line.hxx>
73 #include <GeomAPI_ProjectPointOnCurve.hxx>
74 #include <GeomAPI_ProjectPointOnSurf.hxx>
75 #include <Geom_Curve.hxx>
76 #include <Geom_Surface.hxx>
77 #include <NCollection_DataMap.hxx>
78 #include <NCollection_Map.hxx>
79 #include <Standard_ErrorHandler.hxx>
81 #include <TopExp_Explorer.hxx>
82 #include <TopTools_DataMapOfShapeInteger.hxx>
83 #include <TopTools_IndexedMapOfShape.hxx>
84 #include <TopTools_MapOfShape.hxx>
86 #include <TopoDS_Compound.hxx>
87 #include <TopoDS_Edge.hxx>
88 #include <TopoDS_Face.hxx>
89 #include <TopoDS_Shape.hxx>
90 #include <TopoDS_Vertex.hxx>
91 #include <TopoDS_Wire.hxx>
93 #include <gp_Pnt2d.hxx>
102 #include <functional>
106 /* ==================================
107 * =========== PYTHON ==============
108 * ==================================*/
119 PyStdOut_dealloc(PyStdOut *self)
125 PyStdOut_write(PyStdOut *self, PyObject *args)
129 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
132 *(self->out)=*(self->out)+c;
138 static PyMethodDef PyStdOut_methods[] = {
139 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
140 PyDoc_STR("write(string) -> None")},
141 {0, 0, 0, 0} /* sentinel */
144 static PyMemberDef PyStdOut_memberlist[] = {
145 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
146 (char*)"flag indicating that a space needs to be printed; used by print"},
147 {0, 0, 0, 0, 0} /* Sentinel */
150 static PyTypeObject PyStdOut_Type = {
151 /* The ob_type field must be initialized in the module init function
152 * to be portable to Windows without using C++. */
153 PyVarObject_HEAD_INIT(NULL, 0)
155 sizeof(PyStdOut), /*tp_basicsize*/
158 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
165 0, /*tp_as_sequence*/
170 PyObject_GenericGetAttr, /*tp_getattro*/
171 /* softspace is writable: we must supply tp_setattro */
172 PyObject_GenericSetAttr, /* tp_setattro */
174 Py_TPFLAGS_DEFAULT, /*tp_flags*/
178 0, /*tp_richcompare*/
179 0, /*tp_weaklistoffset*/
182 PyStdOut_methods, /*tp_methods*/
183 PyStdOut_memberlist, /*tp_members*/
201 0, /*tp_version_tag*/
205 PyObject * newPyStdOut( std::string& out )
207 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
212 return (PyObject*)self;
217 ////////////////////////END PYTHON///////////////////////////
219 //////////////////MY MAPS////////////////////////////////////////
221 TopTools_IndexedMapOfShape FacesWithSizeMap;
222 std::map<int,string> FaceId2SizeMap;
223 TopTools_IndexedMapOfShape EdgesWithSizeMap;
224 std::map<int,string> EdgeId2SizeMap;
225 TopTools_IndexedMapOfShape VerticesWithSizeMap;
226 std::map<int,string> VertexId2SizeMap;
228 std::map<int,PyObject*> FaceId2PythonSmp;
229 std::map<int,PyObject*> EdgeId2PythonSmp;
230 std::map<int,PyObject*> VertexId2PythonSmp;
232 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
233 TId2ClsAttractorVec FaceId2ClassAttractor;
234 TId2ClsAttractorVec FaceIndex2ClassAttractor;
235 std::map<int,std::vector<double> > FaceId2AttractorCoords;
238 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
239 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
240 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
241 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
242 SMESH_MesherHelper* theHelper;
244 bool HasSizeMapOnFace=false;
245 bool HasSizeMapOnEdge=false;
246 bool HasSizeMapOnVertex=false;
247 //bool HasAttractorOnFace=false;
249 //=============================================================================
253 //=============================================================================
255 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
258 : SMESH_2D_Algo(hypId, gen)
260 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
261 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
262 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
264 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
265 _requireDiscreteBoundary = false;
266 _onlyUnaryInput = false;
268 _supportSubmeshes = true;
269 _requireShape = theHasGEOM;
271 /* Initialize the Python interpreter */
272 assert(Py_IsInitialized());
273 PyGILState_STATE gstate;
274 gstate = PyGILState_Ensure();
277 main_mod = PyImport_AddModule("__main__");
280 main_dict = PyModule_GetDict(main_mod);
282 PyRun_SimpleString("from math import *");
283 PyGILState_Release(gstate);
285 FacesWithSizeMap.Clear();
286 FaceId2SizeMap.clear();
287 EdgesWithSizeMap.Clear();
288 EdgeId2SizeMap.clear();
289 VerticesWithSizeMap.Clear();
290 VertexId2SizeMap.clear();
291 FaceId2PythonSmp.clear();
292 EdgeId2PythonSmp.clear();
293 VertexId2PythonSmp.clear();
294 FaceId2AttractorCoords.clear();
295 FaceId2ClassAttractor.clear();
296 FaceIndex2ClassAttractor.clear();
297 FacesWithEnforcedVertices.Clear();
298 FaceId2EnforcedVertexCoords.clear();
299 EnfVertexCoords2ProjVertex.clear();
300 EnfVertexCoords2EnfVertexList.clear();
302 _compute_canceled = false;
305 //=============================================================================
309 //=============================================================================
311 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
316 //=============================================================================
320 //=============================================================================
322 bool BLSURFPlugin_BLSURF::CheckHypothesis
324 const TopoDS_Shape& aShape,
325 SMESH_Hypothesis::Hypothesis_Status& aStatus)
328 _haveViscousLayers = false;
330 list<const SMESHDS_Hypothesis*>::const_iterator itl;
331 const SMESHDS_Hypothesis* theHyp;
333 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
334 /*ignoreAuxiliary=*/false);
335 aStatus = SMESH_Hypothesis::HYP_OK;
338 return true; // can work with no hypothesis
341 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
344 string hypName = theHyp->GetName();
345 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
346 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
348 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
350 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
351 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
352 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
353 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
355 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
357 if ( !_haveViscousLayers )
359 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
360 _haveViscousLayers = true;
365 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
368 return aStatus == SMESH_Hypothesis::HYP_OK;
371 //=============================================================================
373 * Pass parameters to MG-CADSurf
375 //=============================================================================
377 inline std::string val_to_string(double d)
379 std::ostringstream o;
384 inline std::string val_to_string_rel(double d)
386 std::ostringstream o;
392 inline std::string val_to_string(int i)
394 std::ostringstream o;
399 inline std::string val_to_string_rel(int i)
401 std::ostringstream o;
407 double _smp_phy_size;
408 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
409 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
410 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
412 /////////////////////////////////////////////////////////
414 BLSURFPlugin_BLSURF::projectionPoint
415 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS_Face& theFace,
416 const gp_Pnt& thePoint,
417 const bool theAllowStateON)
419 projectionPoint myPoint;
421 if ( theFace.IsNull() )
423 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
424 TopTools_MapOfShape checkedFaces;
425 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
427 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
429 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
430 if ( !checkedFaces.Add( face )) continue;
432 // check distance to face
433 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
434 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
435 double distance = surface->Gap();
436 if ( distance > Precision::Confusion() )
438 // the face is far, store for future analysis
439 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
443 // check location on the face
444 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
445 if (( FC.State() == TopAbs_IN ) ||
446 ( FC.State() == TopAbs_ON && theAllowStateON ))
448 if ( !foundFace.IsNull() && !theAllowStateON )
449 return myPoint; // thePoint seems to be TopAbs_ON
451 myPoint.uv = uv.XY();
452 myPoint.xyz = surface->Value( uv ).XYZ();
453 myPoint.state = FC.State();
456 if ( FC.State() == TopAbs_ON && !theAllowStateON )
460 if ( foundFace.IsNull() )
462 // find the closest face
463 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
464 for ( ; d2f != dist2face.end(); ++d2f )
466 const TopoDS_Face& face = d2f->second.first;
467 const gp_Pnt2d & uv = d2f->second.second;
468 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
469 if (( FC.State() == TopAbs_IN ) ||
470 ( FC.State() == TopAbs_ON && theAllowStateON ))
473 myPoint.uv = uv.XY();
474 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
475 myPoint.state = FC.State();
476 if ( FC.State() == TopAbs_IN )
481 // set the resultShape
482 // if ( foundFace.IsNull() )
483 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
484 // "getProjectionPoint: can't find a face by a vertex");
485 theFace = TopoDS::Face( foundFace );
487 else // !theFace.IsNull()
489 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
490 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
491 if ( !projector.IsDone() || projector.NbPoints()==0 )
492 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
493 "getProjectionPoint: can't project a vertex to a face");
496 projector.LowerDistanceParameters(u,v);
497 myPoint.uv = gp_XY(u,v);
498 myPoint.xyz = projector.NearestPoint().XYZ();
500 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
501 myPoint.state = FC.State();
503 if (( FC.State() != TopAbs_IN ) &&
504 ( FC.State() != TopAbs_ON || !theAllowStateON ))
511 /////////////////////////////////////////////////////////
512 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
514 GEOM::GEOM_Object_var aGeomObj = SMESH_Gen_i::GetSMESHGen()->GetGeomObjectByEntry( entry );
515 TopoDS_Shape S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj );
519 void _createEnforcedVertexOnFace(TopoDS_Face faceShape,
521 BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
523 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
525 // Find the face and get the (u,v) values of the enforced vertex on the face
526 BLSURFPlugin_BLSURF::projectionPoint projPnt =
527 BLSURFPlugin_BLSURF::getProjectionPoint( faceShape, aPnt, /*allowStateON=*/true );
528 if ( faceShape.IsNull() )
531 enf_coords.push_back(aPnt.X());
532 enf_coords.push_back(aPnt.Y());
533 enf_coords.push_back(aPnt.Z());
535 coords.push_back(projPnt.uv.X());
536 coords.push_back(projPnt.uv.Y());
537 coords.push_back(projPnt.xyz.X());
538 coords.push_back(projPnt.xyz.Y());
539 coords.push_back(projPnt.xyz.Z());
540 coords.push_back(projPnt.state == TopAbs_ON);
542 s_coords.push_back(projPnt.xyz.X());
543 s_coords.push_back(projPnt.xyz.Y());
544 s_coords.push_back(projPnt.xyz.Z());
546 // Save pair projected vertex / enf vertex
547 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
548 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
549 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
550 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
551 if (ret.second == false) {
553 (*it)->grpName = enfVertex->grpName;
556 int key = FacesWithEnforcedVertices.Add( faceShape );
558 // If a node is already created by an attractor, do not create enforced vertex
559 int attractorKey = FacesWithSizeMap.FindIndex( faceShape );
560 bool sameAttractor = false;
561 if (attractorKey >= 0)
562 if (FaceId2AttractorCoords.count(attractorKey) > 0)
563 if (FaceId2AttractorCoords[attractorKey] == coords)
564 sameAttractor = true;
566 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
568 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redundant coords here (see std::set management)
571 if (! sameAttractor) {
572 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
574 FaceId2EnforcedVertexCoords[key] = ens;
579 /////////////////////////////////////////////////////////
580 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
583 for( BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex : enfVertexList )
585 // Case of manual coords
586 if (enfVertex->coords.size() != 0) {
587 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
588 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
591 // Case of geom vertex coords
592 if (enfVertex->geomEntry != "") {
593 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
594 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
595 if (GeomType == TopAbs_VERTEX)
597 enfVertex->vertex = TopoDS::Vertex( GeomShape );
598 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
599 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
602 if (GeomType == TopAbs_COMPOUND)
604 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
605 if (it.Value().ShapeType() == TopAbs_VERTEX)
607 enfVertex->vertex = TopoDS::Vertex( it.Value() );
608 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
609 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
616 /////////////////////////////////////////////////////////
617 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
619 double xa=0., ya=0., za=0.; // Coordinates of attractor point
620 double a, b; // Attractor parameter
622 bool createNode=false; // To create a node on attractor projection
624 const char *sep = ";";
625 // atIt->second has the following pattern:
626 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
628 // xa;ya;za : coordinates of attractor
629 // a : desired size on attractor
630 // b : distance of influence of attractor
631 // d : distance until which the size remains constant
633 // We search the parameters in the string
635 pos1 = AttractorFunction.find(sep);
636 if (pos1!=string::npos)
637 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
639 pos2 = AttractorFunction.find(sep, pos1+1);
640 if (pos2!=string::npos) {
641 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
645 pos2 = AttractorFunction.find(sep, pos1+1);
646 if (pos2!=string::npos) {
647 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
651 pos2 = AttractorFunction.find(sep, pos1+1);
652 if (pos2!=string::npos) {
653 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
657 pos2 = AttractorFunction.find(sep, pos1+1);
658 if (pos2!=string::npos) {
659 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
663 pos2 = AttractorFunction.find(sep, pos1+1);
664 if (pos2!=string::npos) {
665 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
666 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
670 pos2 = AttractorFunction.find(")");
671 if (pos2!=string::npos) {
672 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
675 // Get the (u,v) values of the attractor on the face
676 BLSURFPlugin_BLSURF::projectionPoint projPnt =
677 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
678 gp_XY uvPoint = projPnt.uv;
679 gp_XYZ xyzPoint = projPnt.xyz;
680 Standard_Real u0 = uvPoint.X();
681 Standard_Real v0 = uvPoint.Y();
682 Standard_Real x0 = xyzPoint.X();
683 Standard_Real y0 = xyzPoint.Y();
684 Standard_Real z0 = xyzPoint.Z();
685 std::vector<double> coords;
686 coords.push_back(u0);
687 coords.push_back(v0);
688 coords.push_back(x0);
689 coords.push_back(y0);
690 coords.push_back(z0);
691 // We construct the python function
692 ostringstream attractorFunctionStream;
693 attractorFunctionStream << "def f(u,v): return ";
694 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
695 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
696 // rnc: make possible to keep the size constant until
697 // a defined distance. Distance is expressed as the positiv part
698 // of r-d where r is the distance to (u0,v0)
699 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
702 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
703 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
706 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
708 FaceId2SizeMap[key] =attractorFunctionStream.str();
710 FaceId2AttractorCoords[key] = coords;
712 // // Test for new attractors
713 // gp_Pnt myP(xyzPoint);
714 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
715 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
716 // myAttractor.SetParameters(a, defaultSize, b, d);
717 // myAttractor.SetType(1);
718 // FaceId2ClassAttractor[key] = myAttractor;
719 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
723 // One sub-shape to get ids from
724 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
725 const TopoDS_Shape& theSubShape,
726 TopAbs_ShapeEnum theShapeType)
728 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
730 TopTools_MapOfShape subShapes;
731 TopTools_IndexedMapOfShape anIndices;
732 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
734 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
736 if ( subShapes.Add( face_iter.Current() )) // issue 23416
738 int face_id = anIndices.FindIndex( face_iter.Current() );
740 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
741 face_ids.push_back( face_id );
747 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
748 TopoDS_Shape theSubShape,
749 TopAbs_ShapeEnum theShapeType)
751 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
753 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
755 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
757 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
758 face_ids.push_back(face_id);
764 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
766 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
768 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
769 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
774 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
776 if (theVertexEntry!="")
778 TopoDS_Shape aShape = entryToShape(theVertexEntry);
780 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
781 double theX, theY, theZ;
786 theVerticesCoords.push_back(theX);
787 theVerticesCoords.push_back(theY);
788 theVerticesCoords.push_back(theZ);
792 /////////////////////////////////////////////////////////
793 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
795 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
796 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
798 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
799 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
801 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
802 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
803 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
805 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
806 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
808 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
811 /////////////////////////////////////////////////////////
812 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
814 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
815 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
817 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
818 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
820 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
821 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
822 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
824 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
825 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
827 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
831 /////////////////////////////////////////////////////////
833 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
834 cadsurf_session_t * css,
835 const TopoDS_Shape& theGeomShape)
838 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
839 FacesWithSizeMap.Clear();
840 FaceId2SizeMap.clear();
841 EdgesWithSizeMap.Clear();
842 EdgeId2SizeMap.clear();
843 VerticesWithSizeMap.Clear();
844 VertexId2SizeMap.clear();
845 FaceId2PythonSmp.clear();
846 EdgeId2PythonSmp.clear();
847 VertexId2PythonSmp.clear();
848 FaceId2AttractorCoords.clear();
849 FaceId2ClassAttractor.clear();
850 FaceIndex2ClassAttractor.clear();
851 FacesWithEnforcedVertices.Clear();
852 FaceId2EnforcedVertexCoords.clear();
853 EnfVertexCoords2ProjVertex.clear();
854 EnfVertexCoords2EnfVertexList.clear();
856 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
857 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
858 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
859 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
860 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
861 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
862 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
863 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
864 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
865 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
866 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
867 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
868 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
869 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
870 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
871 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
872 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
873 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
874 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
875 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
876 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
877 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
878 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
879 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
880 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
881 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
882 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
883 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
884 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
885 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
886 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
887 bool _useSurfaceProximity = BLSURFPlugin_Hypothesis::GetDefaultUseSurfaceProximity ();
888 int _nbSurfaceProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbSurfaceProximityLayers();
889 double _surfaceProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultSurfaceProximityRatio ();
890 bool _useVolumeProximity = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeProximity ();
891 int _nbVolumeProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbVolumeProximityLayers ();
892 double _volumeProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultVolumeProximityRatio ();
895 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
896 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
897 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
898 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
900 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
903 _physicalMesh = (int) hyp->GetPhysicalMesh();
904 _geometricMesh = (int) hyp->GetGeometricMesh();
905 if (hyp->GetPhySize() > 0) {
906 _phySize = hyp->GetPhySize();
907 // if user size is not explicitly specified, "relative" flag is ignored
908 _phySizeRel = hyp->IsPhySizeRel();
910 if (hyp->GetMinSize() > 0) {
911 _minSize = hyp->GetMinSize();
912 // if min size is not explicitly specified, "relative" flag is ignored
913 _minSizeRel = hyp->IsMinSizeRel();
915 if (hyp->GetMaxSize() > 0) {
916 _maxSize = hyp->GetMaxSize();
917 // if max size is not explicitly specified, "relative" flag is ignored
918 _maxSizeRel = hyp->IsMaxSizeRel();
920 _use_gradation = hyp->GetUseGradation();
921 if (hyp->GetGradation() > 0 && _use_gradation)
922 _gradation = hyp->GetGradation();
923 _use_volume_gradation = hyp->GetUseVolumeGradation();
924 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
925 _volume_gradation = hyp->GetVolumeGradation();
926 _elementType = hyp->GetElementType();
927 if (hyp->GetAngleMesh() > 0)
928 _angleMesh = hyp->GetAngleMesh();
929 if (hyp->GetChordalError() > 0)
930 _chordalError = hyp->GetChordalError();
931 _anisotropic = hyp->GetAnisotropic();
932 if (hyp->GetAnisotropicRatio() >= 0)
933 _anisotropicRatio = hyp->GetAnisotropicRatio();
934 _removeTinyEdges = hyp->GetRemoveTinyEdges();
935 if (hyp->GetTinyEdgeLength() > 0)
936 _tinyEdgeLength = hyp->GetTinyEdgeLength();
937 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
938 if (hyp->GetTinyEdgeOptimisationLength() > 0)
939 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
940 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
941 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
942 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
943 _badElementRemoval = hyp->GetBadElementRemoval();
944 if (hyp->GetBadElementAspectRatio() >= 0)
945 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
946 _optimizeMesh = hyp->GetOptimizeMesh();
947 _quadraticMesh = hyp->GetQuadraticMesh();
948 _verb = hyp->GetVerbosity();
949 //_topology = (int) hyp->GetTopology();
951 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
952 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
953 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
954 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
955 _useSurfaceProximity = hyp->GetUseSurfaceProximity ();
956 _nbSurfaceProximityLayers = hyp->GetNbSurfaceProximityLayers();
957 _surfaceProximityRatio = hyp->GetSurfaceProximityRatio ();
958 _useVolumeProximity = hyp->GetUseVolumeProximity ();
959 _nbVolumeProximityLayers = hyp->GetNbVolumeProximityLayers ();
960 _volumeProximityRatio = hyp->GetVolumeProximityRatio ();
963 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
964 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
965 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
966 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
967 if ( !opIt->second.empty() ) {
968 // With MeshGems 2.4-5, there are issues with periodicity and multithread
969 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
970 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
971 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
972 set_param(css, opIt->first.c_str(), "1");
975 set_param(css, opIt->first.c_str(), opIt->second.c_str());
979 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
980 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
981 if ( !opIt->second.empty() ) {
982 set_param(css, opIt->first.c_str(), opIt->second.c_str());
985 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
986 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
987 if ( !opIt->second.empty() ) {
988 set_param(css, opIt->first.c_str(), opIt->second.c_str());
991 if ( hyp->GetHyperPatches().size() < hyp->GetHyperPatchEntries().size() )
993 std::map< std::string, TopoDS_Shape > entryToShape;
994 FillEntryToShape( hyp, entryToShape );
995 const_cast<BLSURFPlugin_Hypothesis*>( hyp )->SetHyperPatchIDsByEntry( theGeomShape,
1000 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
1002 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
1004 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
1005 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
1006 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
1007 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
1008 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
1009 //set_param(css, "max_number_of_points_per_patch", "1000000");
1011 bool useGradation = false;
1012 switch (_physicalMesh)
1014 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1015 set_param(css, "physical_size_mode", "global");
1016 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1017 //useGradation = true;
1019 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1020 set_param(css, "physical_size_mode", "local");
1021 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1022 //useGradation = true;
1025 set_param(css, "physical_size_mode", "none");
1028 switch (_geometricMesh)
1030 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1031 set_param(css, "geometric_size_mode", "global");
1032 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1033 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1034 //useGradation = true;
1036 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1037 set_param(css, "geometric_size_mode", "local");
1038 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1039 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1040 //useGradation = true;
1043 set_param(css, "geometric_size_mode", "none");
1046 if ( hyp && hyp->GetPhySize() > 0 ) {
1047 // user size is explicitly specified via hypothesis parameters
1048 // min and max sizes should be compared with explicitly specified user size
1049 // - compute absolute min size
1050 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1051 // - min size should not be greater than user size
1052 if ( _phySize < mins )
1053 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1055 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1056 // - compute absolute max size
1057 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1058 // - max size should not be less than user size
1059 if ( _phySize > maxs )
1060 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1062 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1065 // user size is not explicitly specified
1066 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1067 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1068 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1069 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1071 useGradation = true; // bos #18758
1072 // anisotropic and quadrangle mesh requires disabling gradation
1073 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1074 useGradation = false; // limitation of V1.3
1075 if ( useGradation && _use_gradation )
1076 set_param(css, "gradation", val_to_string(_gradation).c_str());
1077 if ( useGradation && _use_volume_gradation )
1078 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1080 // New since MeshGems 2.5: add full_quad
1081 const char * element_generation = "";
1082 switch ( _elementType )
1084 case BLSURFPlugin_Hypothesis::Triangles:
1085 element_generation = "triangle";
1087 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1088 element_generation = "quad_dominant";
1090 case BLSURFPlugin_Hypothesis::Quadrangles:
1091 element_generation = "full_quad";
1095 set_param(css, "element_generation", element_generation);
1098 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1100 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1101 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1102 if ( _removeTinyEdges )
1103 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1104 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1105 if ( _optimiseTinyEdges )
1106 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1107 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1108 if ( _correctSurfaceIntersec )
1109 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1110 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1111 if ( _badElementRemoval )
1112 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1113 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1114 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1115 set_param(css, "verbose", val_to_string(_verb).c_str());
1117 set_param(css, "use_surface_proximity", _useSurfaceProximity ? "yes" : "no" );
1118 if ( _useSurfaceProximity )
1120 set_param(css, "surface_proximity_layers", SMESH_Comment( _nbSurfaceProximityLayers ));
1121 set_param(css, "surface_proximity_ratio", SMESH_Comment( _surfaceProximityRatio ));
1123 set_param(css, "use_volume_proximity", _useVolumeProximity ? "yes" : "no" );
1124 if ( _useVolumeProximity )
1126 set_param(css, "volume_proximity_layers", SMESH_Comment( _nbVolumeProximityLayers ));
1127 set_param(css, "volume_proximity_ratio", SMESH_Comment( _volumeProximityRatio ));
1130 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1132 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1134 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1136 TopoDS_Shape GeomShape;
1137 TopoDS_Shape AttShape;
1138 TopAbs_ShapeEnum GeomType;
1140 // Standard Size Maps
1142 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1143 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1144 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1145 if ( !smIt->second.empty() ) {
1146 GeomShape = entryToShape(smIt->first);
1147 GeomType = GeomShape.ShapeType();
1150 if (GeomType == TopAbs_COMPOUND) {
1151 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1153 if (it.Value().ShapeType() == TopAbs_FACE){
1154 HasSizeMapOnFace = true;
1155 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1156 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1159 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1161 FaceId2SizeMap[key] = smIt->second;
1164 if (it.Value().ShapeType() == TopAbs_EDGE){
1165 HasSizeMapOnEdge = true;
1166 HasSizeMapOnFace = true;
1167 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1168 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1171 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1173 EdgeId2SizeMap[key] = smIt->second;
1175 // Group of vertices
1176 if (it.Value().ShapeType() == TopAbs_VERTEX){
1177 HasSizeMapOnVertex = true;
1178 HasSizeMapOnEdge = true;
1179 HasSizeMapOnFace = true;
1180 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1181 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1184 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1186 VertexId2SizeMap[key] = smIt->second;
1191 if (GeomType == TopAbs_FACE){
1192 HasSizeMapOnFace = true;
1193 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1194 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1197 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1199 FaceId2SizeMap[key] = smIt->second;
1202 if (GeomType == TopAbs_EDGE){
1203 HasSizeMapOnEdge = true;
1204 HasSizeMapOnFace = true;
1205 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1206 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1209 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1211 EdgeId2SizeMap[key] = smIt->second;
1214 if (GeomType == TopAbs_VERTEX){
1215 HasSizeMapOnVertex = true;
1216 HasSizeMapOnEdge = true;
1217 HasSizeMapOnFace = true;
1218 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1219 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1222 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1224 VertexId2SizeMap[key] = smIt->second;
1232 // TODO appeler le constructeur des attracteurs directement ici
1233 // if ( !_phySizeRel ) {
1234 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1235 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1236 for ( ; atIt != attractors.end(); ++atIt ) {
1237 if ( !atIt->second.empty() ) {
1238 GeomShape = entryToShape(atIt->first);
1239 GeomType = GeomShape.ShapeType();
1241 if (GeomType == TopAbs_COMPOUND){
1242 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1243 if (it.Value().ShapeType() == TopAbs_FACE){
1244 HasSizeMapOnFace = true;
1245 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1250 if (GeomType == TopAbs_FACE){
1251 HasSizeMapOnFace = true;
1252 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1255 if (GeomType == TopAbs_EDGE){
1256 HasSizeMapOnEdge = true;
1257 HasSizeMapOnFace = true;
1258 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1260 if (GeomType == TopAbs_VERTEX){
1261 HasSizeMapOnVertex = true;
1262 HasSizeMapOnEdge = true;
1263 HasSizeMapOnFace = true;
1264 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1272 // temporary commented out for testing
1274 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1275 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1276 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1278 // - Construct the attractors with an empty dist. map in the hypothesis
1279 // - 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()
1280 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1282 theNbAttractors = 0;
1283 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1285 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1286 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1287 if ( !AtIt->second->Empty() ) {
1288 GeomShape = entryToShape(AtIt->first);
1289 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1291 AttShape = AtIt->second->GetAttractorShape();
1292 GeomType = GeomShape.ShapeType();
1294 // if (GeomType == TopAbs_COMPOUND){
1295 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1296 // if (it.Value().ShapeType() == TopAbs_FACE){
1297 // HasAttractorOnFace = true;
1298 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1303 if (GeomType == TopAbs_FACE
1304 && (AttShape.ShapeType() == TopAbs_VERTEX
1305 || AttShape.ShapeType() == TopAbs_EDGE
1306 || AttShape.ShapeType() == TopAbs_WIRE
1307 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1308 HasSizeMapOnFace = true;
1310 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1312 FaceId2ClassAttractor[key].push_back( AtIt->second );
1316 MESSAGE("Wrong shape type !!")
1324 // Enforced Vertices
1326 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1327 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1328 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1329 if ( !enfIt->second.empty() ) {
1330 GeomShape = entryToShape(enfIt->first);
1331 if ( GeomShape.IsNull() )
1333 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1336 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1338 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1339 if (it.Value().ShapeType() == TopAbs_FACE){
1340 HasSizeMapOnFace = true;
1341 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1345 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1347 HasSizeMapOnFace = true;
1348 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1353 // Internal vertices
1354 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1355 if (useInternalVertexAllFaces) {
1356 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1358 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1359 for (; exp.More(); exp.Next()){
1360 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1361 for (; exp_face.More(); exp_face.Next())
1363 // Get coords of vertex
1364 // Check if current coords is already in enfVertexList
1365 // If coords not in enfVertexList, add new enfVertex
1366 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1367 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1368 enfVertex->coords.push_back(aPnt.X());
1369 enfVertex->coords.push_back(aPnt.Y());
1370 enfVertex->coords.push_back(aPnt.Z());
1371 enfVertex->name = "";
1372 enfVertex->faceEntries.clear();
1373 enfVertex->geomEntry = "";
1374 enfVertex->grpName = grpName;
1375 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1376 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1377 HasSizeMapOnFace = true;
1382 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1384 if (HasSizeMapOnEdge){
1385 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1387 if (HasSizeMapOnVertex){
1388 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1395 _preCadFacesIDsPeriodicityVector.clear();
1396 _preCadEdgesIDsPeriodicityVector.clear();
1398 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1399 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1402 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1404 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1405 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1409 //================================================================================
1411 * \brief Throws an exception if a parameter name is wrong
1413 //================================================================================
1415 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1416 const char * option_name,
1417 const char * option_value)
1419 status_t status = cadsurf_set_param(css, option_name, option_value );
1421 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1422 cout << option_name << " = " << option_value << endl;
1424 if ( status != MESHGEMS_STATUS_OK )
1426 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1427 throw SALOME_Exception
1428 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1430 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1431 throw SALOME_Exception
1432 ( "No valid license available" );
1434 throw SALOME_Exception
1435 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1436 << option_name << "': " << option_value);
1442 // --------------------------------------------------------------------------
1444 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1446 struct BLSURF_Cleaner
1449 cadsurf_session_t* _css;
1453 BLSURF_Cleaner(context_t * ctx,
1454 cadsurf_session_t* css=0,
1465 Clean( /*exceptContext=*/false );
1467 void Clean(const bool exceptContext)
1471 cadsurf_session_delete(_css); _css = 0;
1473 // #if BLSURF_VERSION_LONG >= "3.1.1"
1474 // // if(geo_sizemap_e)
1475 // // distene_sizemap_delete(geo_sizemap_e);
1476 // // if(geo_sizemap_f)
1477 // // distene_sizemap_delete(geo_sizemap_f);
1478 // if(iso_sizemap_p)
1479 // distene_sizemap_delete(iso_sizemap_p);
1480 // if(iso_sizemap_e)
1481 // distene_sizemap_delete(iso_sizemap_e);
1482 // if(iso_sizemap_f)
1483 // distene_sizemap_delete(iso_sizemap_f);
1485 // // if(clean_geo_sizemap_e)
1486 // // distene_sizemap_delete(clean_geo_sizemap_e);
1487 // // if(clean_geo_sizemap_f)
1488 // // distene_sizemap_delete(clean_geo_sizemap_f);
1489 // if(clean_iso_sizemap_p)
1490 // distene_sizemap_delete(clean_iso_sizemap_p);
1491 // if(clean_iso_sizemap_e)
1492 // distene_sizemap_delete(clean_iso_sizemap_e);
1493 // if(clean_iso_sizemap_f)
1494 // distene_sizemap_delete(clean_iso_sizemap_f);
1497 cad_delete(_cad); _cad = 0;
1498 dcad_delete(_dcad); _dcad = 0;
1499 if ( !exceptContext )
1501 context_delete(_ctx); _ctx = 0;
1507 // --------------------------------------------------------------------------
1508 // comparator to sort nodes and sub-meshes
1509 struct ShapeTypeCompare
1511 // sort nodes by position in the following order:
1512 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1513 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1515 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1516 //return n1->getIdInShape() < n2->getIdInShape();
1517 return n1->GetID() < n2->GetID(); // earlier created nodes have less IDs
1519 // sort sub-meshes in order: EDGE, VERTEX
1520 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1522 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1523 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1524 if ( isVertex1 == isVertex2 )
1526 return isVertex1 < isVertex2;
1530 //================================================================================
1532 * \brief Fills groups of nodes to be merged
1534 //================================================================================
1536 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1537 const TopoDS_Shape& shape,
1538 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1540 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1541 switch ( shape.ShapeType() )
1543 case TopAbs_VERTEX: {
1544 std::list< const SMDS_MeshNode* > nodes;
1545 while ( nIt->more() )
1546 nodes.push_back( nIt->next() );
1547 if ( nodes.size() > 1 )
1548 nodeGroupsToMerge.push_back( nodes );
1552 std::multimap< double, const SMDS_MeshNode* > u2node;
1553 while ( nIt->more() )
1555 const SMDS_MeshNode* n = nIt->next();
1556 if ( SMDS_EdgePositionPtr ePos = n->GetPosition() )
1557 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1559 if ( u2node.size() < 2 ) return;
1561 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1563 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1564 double tol = (( l - f ) / 10.) / double( u2node.size() ); // 10. - adjusted for #17262
1566 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1567 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1569 if (( un2->first - un1->first ) <= tol )
1571 std::list< const SMDS_MeshNode* > nodes;
1572 nodes.push_back( un1->second );
1573 while (( un2->first - un1->first ) <= tol )
1575 nodes.push_back( un2->second );
1576 if ( ++un2 == u2node.end()) {
1581 // make nodes created on the boundary of viscous layer replace nodes created
1582 // by MG-CADSurf as their SMDS_Position is more correct
1583 nodes.sort( ShapeTypeCompare() );
1584 nodeGroupsToMerge.push_back( nodes );
1591 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1592 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1594 // cout << "Merge ";
1595 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1596 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1597 // for ( ; nIt != nl.end(); ++nIt )
1598 // cout << (*nIt) << " ";
1604 //================================================================================
1606 * \brief A temporary mesh used to compute mesh on a proxy FACE
1608 //================================================================================
1610 struct TmpMesh: public SMESH_Mesh
1612 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1613 TN2NMap _tmp2origNN;
1614 TopoDS_Face _proxyFace;
1618 _meshDS = new SMESHDS_Mesh( _id, true );
1620 //--------------------------------------------------------------------------------
1622 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1624 //--------------------------------------------------------------------------------
1626 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1627 const TopoDS_Face& origFace)
1629 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1631 SMESH_MesherHelper helper( *origMesh );
1632 helper.SetSubShape( origFace );
1633 const bool hasSeam = helper.HasRealSeam();
1635 // get data of nodes on inner boundary of viscous layers
1637 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1638 /*skipMediumNodes = */true,
1639 err, &helper, viscousMesh );
1640 if ( err && err->IsKO() )
1641 throw *err.get(); // it should be caught at SMESH_subMesh
1643 // proxy nodes and corresponding tmp VERTEXes
1644 std::vector<const SMDS_MeshNode*> origNodes;
1645 std::vector<TopoDS_Vertex> tmpVertex;
1647 // create a proxy FACE
1648 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1649 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1650 bool hasPCurves = false;
1651 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1653 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1654 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1655 if ( wirePoints.size() < 3 )
1658 BRepBuilderAPI_MakePolygon polygon;
1659 const size_t i0 = tmpVertex.size();
1660 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1662 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1663 origNodes.push_back( wirePoints[ iN ].node );
1664 tmpVertex.push_back( polygon.LastVertex() );
1666 // check presence of a pcurve
1667 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1669 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1671 if ( !polygon.IsDone() )
1672 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1673 TopoDS_Wire wire = polygon;
1675 wire = updateSeam( wire, origNodes );
1676 newFace.Add( wire );
1678 _proxyFace = newFace;
1680 // set a new shape to mesh
1681 TopoDS_Compound auxCompoundToMesh;
1682 BRep_Builder shapeBuilder;
1683 shapeBuilder.MakeCompound( auxCompoundToMesh );
1684 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1685 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1687 ShapeToMesh( auxCompoundToMesh );
1690 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1692 // make nodes and fill in _tmp2origNN
1694 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1695 for ( size_t i = 0; i < origNodes.size(); ++i )
1697 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1698 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1699 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1700 // else -- it can be a seam vertex replaced by updateSeam()
1701 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1705 TopoDS_Vertex v1, v2;
1706 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1708 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1709 TopExp::Vertices( E, v1, v2 );
1710 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1711 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1713 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1714 tmpMeshDS->SetMeshElementOnShape( seg, E );
1720 //--------------------------------------------------------------------------------
1722 * \brief Add pcurve to the last edge of a wire
1724 //--------------------------------------------------------------------------------
1726 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1727 const TopoDS_Face& face,
1729 const uvPtStruct * wirePoints )
1733 TopoDS_Edge edge = wire.Edge();
1734 if ( edge.IsNull() ) return;
1736 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1741 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1742 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1743 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1744 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1745 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1746 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1747 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1748 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1751 //--------------------------------------------------------------------------------
1753 * \brief Replace coincident EDGEs with reversed copies.
1755 //--------------------------------------------------------------------------------
1757 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1758 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1760 BRepBuilderAPI_MakeWire newWire;
1762 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1763 TSeg2EdgeMap seg2EdgeMap;
1765 TopoDS_Iterator edgeIt( wire );
1766 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1768 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1769 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1771 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1772 bool isSeam = ( *edgeInMap != edge );
1775 edgeInMap->Reverse();
1778 newWire.Add( edge );
1783 //--------------------------------------------------------------------------------
1785 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1787 //--------------------------------------------------------------------------------
1789 void FillInOrigMesh( SMESH_Mesh& origMesh,
1790 const TopoDS_Face& origFace )
1792 SMESH_MesherHelper helper( origMesh );
1793 helper.SetSubShape( origFace );
1794 helper.SetElementsOnShape( true );
1796 SMESH_MesherHelper tmpHelper( *this );
1797 tmpHelper.SetSubShape( _proxyFace );
1799 // iterate over tmp faces and copy them in origMesh
1800 const SMDS_MeshNode* nodes[27];
1801 const SMDS_MeshNode* nullNode = 0;
1803 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator();
1804 while ( fIt->more() )
1806 const SMDS_MeshElement* f = fIt->next();
1807 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1809 for ( ; nIt->more(); ++nbN )
1811 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1812 TN2NMap::iterator n2nIt =
1813 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1814 if ( !n2nIt->second ) {
1816 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1817 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], /*id=*/0, uv.X(), uv.Y() );
1819 nodes[ nbN ] = n2nIt->second;
1822 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1823 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1824 // nodes[3], nodes[4], nodes[5]); break;
1825 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1826 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1827 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1828 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1829 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1836 * \brief A structure holding an error description and a verbisity level
1838 struct message_cb_user_data
1840 std::string * _error;
1847 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1848 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1849 real *duu, real *duv, real *dvv, void *user_data);
1850 status_t message_cb(message_t *msg, void *user_data);
1851 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1853 //=============================================================================
1857 //=============================================================================
1859 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1861 // Fix problem with locales
1862 Kernel_Utils::Localizer aLocalizer;
1864 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1866 bool viscousLayersMade =
1867 ( aShape.ShapeType() == TopAbs_FACE &&
1868 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1870 if ( !viscousLayersMade )
1871 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1874 if ( _haveViscousLayers || viscousLayersMade )
1876 // Compute viscous layers
1878 TopTools_MapOfShape map;
1879 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1881 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1882 if ( !map.Add( F )) continue;
1883 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1885 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1887 // Compute MG-CADSurf mesh on viscous layers
1889 if ( viscousMesh->NbProxySubMeshes() > 0 )
1892 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1893 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1895 tmpMesh.FillInOrigMesh( aMesh, F );
1899 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1901 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1903 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1904 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1905 if ( fSM->IsMeshComputed() ) continue;
1907 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1915 //=============================================================================
1919 //=============================================================================
1921 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1922 const TopoDS_Shape& aShape,
1923 bool allowSubMeshClearing)
1925 /* create a distene context (generic object) */
1926 status_t status = STATUS_ERROR;
1928 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1929 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1930 theHelper = & helperWithShape;
1931 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1932 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1933 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1934 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis && _hypothesis->GetQuadraticMesh());
1935 helper.SetIsQuadratic( haveQuadraticSubMesh );
1936 helperWithShape.SetIsQuadratic( haveQuadraticSubMesh );
1938 bool quadraticSubMeshAndViscousLayer = false;
1939 bool needMerge = false;
1940 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1941 TSubMeshSet edgeSubmeshes;
1942 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1943 double existingPhySize = 0;
1945 TopTools_IndexedMapOfShape pmap, emap, fmap;
1947 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1948 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1950 BLSURFPlugin_EnforcedMesh1D enforcedMesh( helperWithShape, _hypothesis );
1952 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1954 feclearexcept( FE_ALL_EXCEPT );
1955 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1958 context_t *ctx = context_new();
1960 /* Set the message callback in the working context */
1961 message_cb_user_data mcud;
1962 mcud._error = & this->SMESH_Algo::_comment;
1963 mcud._progress = & this->SMESH_Algo::_progress;
1965 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1966 context_set_message_callback(ctx, message_cb, &mcud);
1968 /* set the interruption callback */
1969 _compute_canceled = false;
1970 context_set_interrupt_callback(ctx, interrupt_cb, this);
1972 /* create the CAD object we will work on. It is associated to the context ctx. */
1973 cad_t *c = cad_new(ctx);
1974 dcad_t *dcad = dcad_new(c);
1976 // To enable multithreading
1977 cad_set_thread_safety(c, 1);
1979 /* Now fill the CAD object with data from your CAD
1980 * environement. This is the most complex part of a successfull
1986 cadsurf_session_t *css = cadsurf_session_new(ctx);
1988 // an object that correctly deletes all cadsurf objects at destruction
1989 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1991 SetParameters(_hypothesis, css, aShape);
1993 // To remove as soon as quadratic mesh is allowed - BEGIN
1994 // GDD: Viscous layer is not allowed with quadratic mesh
1995 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1996 quadraticSubMeshAndViscousLayer = true;
1997 _haveViscousLayers = !haveQuadraticSubMesh;
1998 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1999 error(COMPERR_WARNING, _comment);
2001 // To remove as soon as quadratic mesh is allowed - END
2003 // needed to prevent the opencascade memory managmement from freeing things
2004 vector<Handle(Geom2d_Curve)> curves;
2005 vector<Handle(Geom_Surface)> surfaces;
2009 FaceId2PythonSmp.clear();
2010 EdgeId2PythonSmp.clear();
2011 VertexId2PythonSmp.clear();
2013 /****************************************************************************************
2015 *****************************************************************************************/
2017 string bad_end = "return";
2019 TopTools_IndexedMapOfShape _map;
2020 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
2021 int ienf = _map.Extent();
2023 assert(Py_IsInitialized());
2024 PyGILState_STATE gstate;
2026 string theSizeMapStr;
2028 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2030 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2032 //SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2033 //if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2035 // make INTERNAL face oriented FORWARD (issue 0020993)
2036 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2037 f.Orientation(TopAbs_FORWARD);
2039 iface = fmap.Add(f);
2041 surfaces.push_back(BRep_Tool::Surface(f));
2043 /* create an object representing the face for cadsurf */
2044 /* where face_id is an integer identifying the face.
2045 * surf_function is the function that defines the surface
2046 * (For this face, it will be called by cadsurf with your_face_object_ptr
2047 * as last parameter.
2049 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2051 /* by default a face has no tag (color).
2052 The following call sets it to the same value as the Geom module ID : */
2053 int faceTag = meshDS->ShapeToIndex(f);
2054 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2055 cad_face_set_tag(fce, faceTag);
2057 /* Set face orientation (optional if you want a well oriented output mesh)*/
2058 if(f.Orientation() != TopAbs_FORWARD)
2059 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2061 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2063 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2065 // -----------------
2067 // -----------------
2068 faceKey = FacesWithSizeMap.FindIndex(f);
2071 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2073 theSizeMapStr = FaceId2SizeMap[faceKey];
2074 // check if function ends with "return"
2075 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2077 // Expr To Python function, verification is performed at validation in GUI
2078 gstate = PyGILState_Ensure();
2079 PyObject * obj = NULL;
2080 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2082 PyObject * func = NULL;
2083 func = PyObject_GetAttrString(main_mod, "f");
2084 FaceId2PythonSmp[iface]=func;
2085 FaceId2SizeMap.erase(faceKey);
2086 PyGILState_Release(gstate);
2089 // Specific size map = Attractor
2090 std::map<int,std::vector<double> >::iterator attractor_iter =
2091 FaceId2AttractorCoords.find( faceKey );
2092 if (attractor_iter != FaceId2AttractorCoords.end() )
2094 double * xyzCoords = & attractor_iter->second[2];
2095 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2096 BRepClass_FaceClassifier scl(f,P,1e-7);
2097 TopAbs_State result = scl.State();
2098 if ( result == TopAbs_OUT )
2099 MESSAGE("Point is out of face: node is not created");
2100 if ( result == TopAbs_UNKNOWN )
2101 MESSAGE("Point position on face is unknown: node is not created");
2102 if ( result == TopAbs_ON )
2103 MESSAGE("Point is on border of face: node is not created");
2104 if ( result == TopAbs_IN )
2106 // Point is inside face and not on border
2107 double * uvCoords = & attractor_iter->second[0];
2109 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2110 cad_point_set_tag(point_p, ienf);
2112 FaceId2AttractorCoords.erase(faceKey);
2115 // -----------------
2117 // -----------------
2118 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2119 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2120 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2121 for ( size_t i = 0; i < attVec.size(); ++i )
2122 if ( !attVec[i]->IsMapBuilt() ) {
2123 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2124 attVec[i]->BuildMap();
2126 FaceIndex2ClassAttractor[iface].swap( attVec );
2127 FaceId2ClassAttractor.erase(clAttractor_iter);
2129 } // if (HasSizeMapOnFace && !use_precad)
2131 // ------------------
2132 // Enforced Vertices
2133 // ------------------
2134 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2135 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2136 if (evmIt != FaceId2EnforcedVertexCoords.end())
2138 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2139 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2140 for (; evlIt != evl.end(); ++evlIt)
2142 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords = { evlIt->at(2),
2145 bool isOnEdge = evlIt->at(5);
2148 enforcedMesh.AddVertexOnEdge( xyzCoords.data() );
2151 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2153 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2155 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2156 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2157 !enfCoordsIt->second.empty() )
2159 // to merge nodes of an INTERNAL vertex belonging to several faces
2160 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2161 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2162 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2164 tag = pmap.Add( v );
2165 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2166 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2167 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2168 // //if ( tag != pmap.Extent() )
2169 // needMerge = true;
2172 if ( tag == 0 ) tag = ienf;
2173 cad_point_set_tag(point_p, tag);
2175 FaceId2EnforcedVertexCoords.erase(faceKey);
2179 /****************************************************************************************
2181 now create the edges associated to this face
2182 *****************************************************************************************/
2184 std::vector< TopoDS_Edge > edges;
2185 for ( TopExp_Explorer edge_iter( f, TopAbs_EDGE ); edge_iter.More(); edge_iter.Next() )
2187 const TopoDS_Edge& e = TopoDS::Edge( edge_iter.Current() );
2188 if ( !enforcedMesh.GetSplitsOfEdge( e, edges, emap ))
2189 edges.push_back( e );
2191 for ( const TopoDS_Edge& e : edges )
2193 int ic = emap.Add(e);
2196 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2198 if ( HasSizeMapOnEdge )
2200 int edgeKey = EdgesWithSizeMap.FindIndex(e);
2201 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2203 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2204 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2206 // Expr To Python function, verification is performed at validation in GUI
2207 gstate = PyGILState_Ensure();
2208 PyObject * obj = NULL;
2209 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2211 PyObject * func = NULL;
2212 func = PyObject_GetAttrString(main_mod, "f");
2213 EdgeId2PythonSmp[ic]=func;
2214 EdgeId2SizeMap.erase(edgeKey);
2215 PyGILState_Release(gstate);
2218 /* data of nodes existing on the edge */
2219 StdMeshers_FaceSidePtr nodeData;
2220 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2221 if ( !sm->IsEmpty() )
2223 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2224 // /*complexFirst=*/false);
2225 // while ( subsmIt->more() )
2226 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2227 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2229 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2230 /*ignoreMedium=*/haveQuadraticSubMesh));
2231 if ( nodeData->MissVertexNode() )
2232 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2234 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2235 if ( !nodeDataVec.empty() )
2237 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2239 nodeData->Reverse();
2240 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2242 // tmin and tmax can change in case of viscous layer on an adjacent edge
2243 tmin = nodeDataVec.front().param;
2244 tmax = nodeDataVec.back().param;
2246 existingPhySize += nodeData->Length() / double( nodeDataVec.size() - 1 );
2250 cout << "---------------- Invalid nodeData" << endl;
2255 /* attach the edge to the current cadsurf face */
2256 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2258 /* by default an edge has no tag (color).
2259 The following call sets it to the same value as the edge_id : */
2260 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2261 bool isInHyperPatch = false;
2262 if ( e2ffmap.Contains( e )) // not there for a part of EDGE divided by enforced segments
2264 std::set< int > faceTags, faceIDs;
2265 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2266 for ( ; fIt.More(); fIt.Next() )
2268 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2269 if ( !faceIDs.insert( faceTag ).second )
2270 continue; // a face encounters twice for a seam edge
2271 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2272 if ( !faceTags.insert( hpTag ).second )
2274 isInHyperPatch = true;
2279 if ( !isInHyperPatch )
2280 cad_edge_set_tag(edg, ic);
2282 /* by default, an edge does not necessarily appear in the resulting mesh,
2283 unless the following property is set :
2285 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2287 /* by default an edge is a boundary edge */
2288 if (e.Orientation() == TopAbs_INTERNAL)
2289 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2291 // pass existing nodes of sub-meshes to MG-CADSurf
2294 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2295 const int nbNodes = (int) nodeDataVec.size();
2297 dcad_edge_discretization_t *dedge;
2298 dcad_get_edge_discretization(dcad, edg, &dedge);
2299 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2301 // cout << endl << " EDGE " << ic << endl;
2302 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2303 for ( int iN = 0; iN < nbNodes; ++iN )
2305 const UVPtStruct& nData = nodeDataVec[ iN ];
2306 double t = nData.param;
2307 real uv[2] = { nData.u, nData.v };
2308 SMESH_TNodeXYZ nXYZ = nData.node;
2309 // cout << "\tt = " << t
2310 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2311 // << "\t u = " << nData.param
2312 // << "\t ID = " << nData.node->GetID() << endl;
2313 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ.ChangeData() );
2315 TopoDS_Shape v = helper.GetSubShapeByNode( nodeDataVec[0].node, meshDS );
2316 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2317 dcad_edge_discretization_set_vertex_tag( dedge, 1, pmap.Add( v ));
2319 v = helper.GetSubShapeByNode( nodeDataVec.back().node, meshDS );
2320 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2321 dcad_edge_discretization_set_vertex_tag( dedge, nbNodes, pmap.Add( v ));
2323 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2326 /****************************************************************************************
2328 *****************************************************************************************/
2333 gp_Pnt2d uv0 = curves.back()->Value(tmin);
2334 gp_Pnt p0 = surfaces.back()->Value( uv0.X(), uv0.Y() );
2336 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next())
2338 const TopoDS_Vertex& v = TopoDS::Vertex(ex_edge.Current());
2339 ip[ npts ] = pmap.Add(v);
2340 d [ npts ] = p0.SquareDistance(BRep_Tool::Pnt(v));
2343 if (HasSizeMapOnVertex)
2345 int vertexKey = VerticesWithSizeMap.FindIndex(v);
2346 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end())
2348 theSizeMapStr = VertexId2SizeMap[vertexKey];
2349 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2351 // Expr To Python function, verification is performed at validation in GUI
2352 gstate = PyGILState_Ensure();
2353 PyObject * obj = NULL;
2354 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2356 PyObject * func = NULL;
2357 func = PyObject_GetAttrString(main_mod, "f");
2358 VertexId2PythonSmp[*ip]=func;
2359 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2360 PyGILState_Release(gstate);
2363 } // loop on vertices
2365 if (npts != 2) { // should not happen
2366 MESSAGE("An edge does not have 2 extremities.");
2371 std::swap( ip[0], ip[1] );
2373 // This defines the curves extremity connectivity
2374 cad_edge_set_extremities (edg, ip[0], ip[1]);
2375 /* set the tag (color) to the same value as the extremity id : */
2376 cad_edge_set_extremities_tag(edg, ip[0], ip[1]);
2380 // ==============================
2381 // Add segments of enforced mesh
2382 // ==============================
2384 if ( enforcedMesh.HasSegmentsOnFace( f ))
2386 BLSURFPlugin_EnforcedMesh1D::Segmemnt seg;
2387 while ( enforcedMesh.NextSegment( seg, pmap ))
2389 curves.push_back( seg._pcurve );
2391 cad_edge_t *edg = cad_edge_new( fce, seg._tag, seg._u[0], seg._u[1],
2392 curv_fun,seg._pcurve.get());
2393 cad_edge_set_tag( edg, seg._tag );
2395 cad_edge_set_property( edg, EDGE_PROPERTY_SOFT_REQUIRED );
2396 cad_edge_set_property( edg, EDGE_PROPERTY_INTERNAL );
2398 cad_edge_set_extremities ( edg, seg._vTag[0], seg._vTag[1]);
2399 cad_edge_set_extremities_tag( edg, seg._vTag[0], seg._vTag[1]);
2401 dcad_edge_discretization_t *dedge;
2402 dcad_get_edge_discretization( dcad, edg, &dedge );
2403 dcad_edge_discretization_set_vertex_count( dedge, 2 );
2405 dcad_edge_discretization_set_vertex_coordinates( dedge, 1,
2407 &seg._uv[0].ChangeCoord(1),
2408 seg._xyz[0].ChangeData() );
2409 dcad_edge_discretization_set_vertex_coordinates( dedge, 2,
2411 &seg._uv[1].ChangeCoord(1),
2412 seg._xyz[1].ChangeData() );
2414 dcad_edge_discretization_set_vertex_tag( dedge, 1, seg._vTag[0] );
2415 dcad_edge_discretization_set_vertex_tag( dedge, 2, seg._vTag[1] );
2417 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2424 ///////////////////////
2426 ///////////////////////
2428 if (! _preCadFacesIDsPeriodicityVector.empty())
2430 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2431 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2432 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2433 int* theFace1_ids_c = &theFace1_ids[0];
2434 int* theFace2_ids_c = &theFace2_ids[0];
2435 std::ostringstream o;
2436 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2437 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2438 o << theFace1_ids[j] << ", ";
2440 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2441 o << theFace2_ids[j] << ", ";
2443 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2444 // cout << o.str() << endl;
2445 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2447 // If no source points, call periodicity without transformation function
2448 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2449 status = cad_add_face_multiple_periodicity_with_transformation_function
2450 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2451 (meshgems_integer) theFace2_ids.size(), periodicity_transformation, NULL);
2452 if(status != STATUS_OK)
2453 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2457 // get the transformation vertices
2458 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2459 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2460 int nbSourceVertices = (int)_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2461 int nbTargetVertices = (int)_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2463 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points
2464 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2465 (meshgems_integer) theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2466 if(status != STATUS_OK)
2467 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2472 if (! _preCadEdgesIDsPeriodicityVector.empty())
2474 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2475 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2476 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2477 // Use the address of the first element of the vector to initialize the array
2478 int* theEdge1_ids_c = &theEdge1_ids[0];
2479 int* theEdge2_ids_c = &theEdge2_ids[0];
2481 std::ostringstream o;
2482 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2483 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2484 o << theEdge1_ids[j] << ", ";
2486 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2487 o << theEdge2_ids[j] << ", ";
2489 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2490 // cout << o.str() << endl;
2492 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2494 // If no source points, call periodicity without transformation function
2495 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2496 status = cad_add_edge_multiple_periodicity_with_transformation_function
2497 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2498 (meshgems_integer) theEdge2_ids.size(), periodicity_transformation, NULL);
2499 if(status != STATUS_OK)
2500 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2504 // get the transformation vertices
2505 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2506 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2507 int nbSourceVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2508 int nbTargetVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2510 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points
2511 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2512 (meshgems_integer) theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2513 if(status != STATUS_OK)
2514 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2519 if ( !_hypothesis && !edgeSubmeshes.empty() && existingPhySize != 0 )
2521 // prevent failure due to the default PhySize incompatible with size of existing 1D mesh
2522 // and with face size
2523 // double minFaceSize = existingPhySize / edgeSubmeshes.size();
2524 // for ( int iF = 1; iF <= fmap.Extent(); ++iF )
2527 // BRepBndLib::Add( fmap( iF ), box );
2528 // gp_XYZ delta = box.CornerMax().XYZ() - box.CornerMin().XYZ();
2529 // std::sort( delta.ChangeData(), delta.ChangeData() + 3 );
2530 // minFaceSize = Min( minFaceSize, delta.Coord(2) );
2532 // set_param(css, "global_physical_size", val_to_string( minFaceSize * 0.5 ).c_str());
2533 // set_param(css, "max_size", val_to_string( minFaceSize * 5 ).c_str());
2535 std::string errorTxt;
2536 if ( !SMESHUtils_MGLicenseKeyGen::SignCAD( c, errorTxt ))
2537 return error( "Problem with library SalomeMeshGemsKeyGenerator: " + errorTxt );
2539 // Use the original dcad
2540 cadsurf_set_dcad(css, dcad);
2542 // Use the original cad
2543 cadsurf_set_cad(css, c);
2545 std::cout << std::endl;
2546 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2547 std::cout << std::endl;
2552 status = cadsurf_compute_mesh(css);
2555 catch ( std::exception& exc ) {
2556 _comment += exc.what();
2558 catch (Standard_Failure& ex) {
2559 _comment += ex.DynamicType()->Name();
2560 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2562 _comment += ex.GetMessageString();
2566 if ( _comment.empty() )
2567 _comment = "Exception in cadsurf_compute_mesh()";
2570 std::cout << std::endl;
2571 std::cout << "End of Surface Mesh generation" << std::endl;
2572 std::cout << std::endl;
2575 cadsurf_get_mesh(css, &msh);
2576 if ( !msh || STATUS_IS_ERROR( status ))
2578 /* release the mesh object */
2579 cadsurf_regain_mesh(css, msh);
2580 return error(_comment);
2583 // Clear mesh from already meshed edges if possible else
2584 // remember that merge is needed
2585 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2586 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2588 SMESHDS_SubMesh* smDS = *smIt;
2589 if ( !smDS ) continue;
2590 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2593 const SMDS_MeshNode* n = nIt->next();
2594 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2596 needMerge = true; // to correctly sew with viscous mesh
2597 // add existing medium nodes to helper
2598 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2600 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2601 while ( edgeIt->more() )
2602 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2607 if ( allowSubMeshClearing )
2609 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2610 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2611 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2612 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2621 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2623 GMFFileName = _hypothesis->GetGMFFile();
2624 if (GMFFileName != "")
2626 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2627 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2628 if (!asciiFound && !binaryFound)
2629 GMFFileName.append(".mesh");
2630 mesh_write_mesh(msh, GMFFileName.c_str());
2633 /* retrieve mesh data (see meshgems/mesh.h) */
2634 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2638 mesh_get_vertex_count (msh, &nv);
2639 mesh_get_edge_count (msh, &ne);
2640 mesh_get_triangle_count (msh, &nt);
2641 mesh_get_quadrangle_count(msh, &nq);
2643 using deleted_unique_ptr = std::unique_ptr<integer,std::function<void(integer*)>>;
2645 deleted_unique_ptr evedg_var((integer *)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2646 deleted_unique_ptr evtri_var((integer *)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2647 deleted_unique_ptr evquad_var((integer *)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2648 deleted_unique_ptr tags_buff_var((integer*)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2650 integer *evedg(evedg_var.get()),*evtri(evtri_var.get()),*evquad(evquad_var.get()),*tags_buff(tags_buff_var.get());
2652 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2653 std::vector<bool> tags(nv+1);
2655 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2657 /* enumerated vertices */
2658 for ( int iv = 1; iv <= nv; iv++ )
2660 mesh_get_vertex_coordinates(msh, iv, xyz);
2661 mesh_get_vertex_tag(msh, iv, &tag);
2662 // Issue 0020656. Use vertex coordinates
2664 bool isEnforcedNode = false;
2667 if ( tag <= pmap.Extent() )
2669 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2670 double tol = BRep_Tool::Tolerance( v );
2671 gp_Pnt p = BRep_Tool::Pnt( v );
2672 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 1e3*tol))
2673 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2675 tag = 0; // enforced or attracted vertex
2676 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2679 isEnforcedNode = ( nodes[iv] = enforcedMesh.GetNodeByTag( tag, pmap ));
2682 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2684 // Create group of enforced vertices if requested
2685 projVertex.assign( xyz, xyz + 3 );
2686 auto enfCoordsIt = EnfVertexCoords2EnfVertexList.find( projVertex );
2687 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2689 for ( BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex : enfCoordsIt->second )
2690 if (currentEnfVertex->grpName != "")
2692 SMDS_MeshGroup* groupDS = nullptr;
2693 for ( SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups(); grIt->more() && !groupDS; )
2695 SMESH_Group * group = grIt->next();
2696 SMESHDS_Group * grp = dynamic_cast< SMESHDS_Group* >( group->GetGroupDS() );
2698 grp->GetType() == SMDSAbs_Node &&
2699 currentEnfVertex->grpName == group->GetName() )
2700 groupDS = &grp->SMDSGroup();
2704 SMESH_Group * group = aMesh.AddGroup( SMDSAbs_Node, currentEnfVertex->grpName.c_str() );
2705 SMESHDS_Group * grp = static_cast< SMESHDS_Group* >( group->GetGroupDS() );
2706 groupDS = &grp->SMDSGroup();
2708 groupDS->Add( nodes[iv] );
2711 if ( isEnforcedNode )
2714 // internal points are tagged to zero
2715 if ( tag > 0 && tag <= pmap.Extent() )
2717 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2726 /* enumerate edges */
2727 for ( int it = 1; it <= ne; it++ )
2730 mesh_get_edge_vertices(msh, it, vtx);
2731 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2732 mesh_get_edge_tag(msh, it, &tag);
2734 // If PreCAD performed some cleaning operations (remove tiny edges,
2735 // merge edges ...) an output tag can indeed represent several original tags.
2736 // Get the initial tags corresponding to the output tag and redefine the tag as
2737 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2738 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2740 tag = tags_buff[ nb_tag-1 ];
2741 if ( tag < 1 || tag > emap.Extent() )
2743 if ( !enforcedMesh.IsSegmentTag( tag )) // it's a false INTERNAL EDGE of enforced mesh
2745 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2746 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")"
2751 if ( meshDS->ShapeToIndex( emap( tag )) == 0 )
2752 tag = enforcedMesh.GetTagOfSplitEdge( tag );
2755 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2756 tags[vtx[0]] = false;
2759 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2760 tags[vtx[1]] = false;
2762 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2764 if (tags[evedg[0]]) {
2765 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2766 tags[evedg[0]] = false;
2768 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2771 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2773 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2776 /* enumerate triangles */
2777 for(int it=1;it<=nt;it++) {
2779 mesh_get_triangle_vertices(msh, it, vtx);
2780 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2781 mesh_get_triangle_tag(msh, it, &tag);
2783 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2784 tags[vtx[0]] = false;
2787 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2788 tags[vtx[1]] = false;
2791 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2792 tags[vtx[2]] = false;
2794 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2795 // QUADRATIC TRIANGLE
2796 if (tags[evtri[0]]) {
2797 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2798 tags[evtri[0]] = false;
2800 if (tags[evtri[1]]) {
2801 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2802 tags[evtri[1]] = false;
2804 if (tags[evtri[2]]) {
2805 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2806 tags[evtri[2]] = false;
2808 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2809 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2812 if ( helper.GetIsQuadratic() )
2813 helper.SetSubShape( tag );
2814 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2816 meshDS->SetMeshElementOnShape(tri, tag);
2819 /* enumerate quadrangles */
2820 for(int it=1;it<=nq;it++) {
2821 SMDS_MeshFace* quad;
2822 mesh_get_quadrangle_vertices(msh, it, vtx);
2823 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2824 mesh_get_quadrangle_tag(msh, it, &tag);
2826 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2827 tags[vtx[0]] = false;
2830 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2831 tags[vtx[1]] = false;
2834 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2835 tags[vtx[2]] = false;
2838 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2839 tags[vtx[3]] = false;
2841 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2842 // QUADRATIC QUADRANGLE
2843 if (tags[evquad[0]]) {
2844 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2845 tags[evquad[0]] = false;
2847 if (tags[evquad[1]]) {
2848 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2849 tags[evquad[1]] = false;
2851 if (tags[evquad[2]]) {
2852 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2853 tags[evquad[2]] = false;
2855 if (tags[evquad[3]]) {
2856 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2857 tags[evquad[3]] = false;
2859 if (tags[evquad[4]]) {
2860 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2861 tags[evquad[4]] = false;
2863 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2864 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2868 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2870 meshDS->SetMeshElementOnShape(quad, tag);
2873 /* release the mesh object, the rest is released by cleaner */
2874 cadsurf_regain_mesh(css, msh);
2877 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2878 for(int iv=1;iv<=nv;iv++)
2879 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2880 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2883 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2885 SMESH_MeshEditor editor( &aMesh );
2886 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2887 TIDSortedElemSet segementsOnEdge;
2888 TSubMeshSet::iterator smIt;
2889 SMESHDS_SubMesh* smDS;
2891 // merge nodes on EDGE's with ones computed by MG-CADSurf
2892 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2894 if (! (smDS = *smIt) ) continue;
2895 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2897 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2898 while ( segIt->more() )
2899 segementsOnEdge.insert( segIt->next() );
2902 editor.MergeNodes( nodeGroupsToMerge );
2905 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2906 editor.FindEqualElements( segementsOnEdge, equalSegments );
2907 editor.MergeElements( equalSegments );
2909 // remove excess segments created on the boundary of viscous layers
2910 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2911 for ( int i = 1; i <= emap.Extent(); ++i )
2913 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2915 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2916 while ( segIt->more() )
2918 const SMDS_MeshElement* seg = segIt->next();
2919 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2920 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2921 meshDS->RemoveFreeElement( seg, smDS );
2928 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2929 for (int i = 1; i <= emap.Extent(); i++)
2930 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2931 sm->SetIsAlwaysComputed( true );
2932 for (int i = 1; i <= pmap.Extent(); i++)
2933 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2934 if ( !sm->IsMeshComputed() )
2935 sm->SetIsAlwaysComputed( true );
2937 // Set error to FACE's w/o elements
2938 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2939 if ( _comment.empty() && status == STATUS_OK )
2941 err = COMPERR_WARNING;
2942 _comment = "No mesh elements assigned to a face";
2944 bool badFaceFound = false;
2945 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2947 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2948 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2949 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2951 int faceTag = sm->GetId();
2952 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2954 // triangles are assigned to the first face of hyper-patch
2955 sm->SetIsAlwaysComputed( true );
2959 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2960 badFaceFound = true;
2964 if ( err == COMPERR_WARNING )
2968 if ( status != STATUS_OK && !badFaceFound ) {
2972 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2974 if ( oldFEFlags > 0 )
2975 feenableexcept( oldFEFlags );
2976 feclearexcept( FE_ALL_EXCEPT );
2980 std::cout << "FacesWithSizeMap" << std::endl;
2981 FacesWithSizeMap.Statistics(std::cout);
2982 std::cout << "EdgesWithSizeMap" << std::endl;
2983 EdgesWithSizeMap.Statistics(std::cout);
2984 std::cout << "VerticesWithSizeMap" << std::endl;
2985 VerticesWithSizeMap.Statistics(std::cout);
2986 std::cout << "FacesWithEnforcedVertices" << std::endl;
2987 FacesWithEnforcedVertices.Statistics(std::cout);
2990 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2993 //================================================================================
2995 * \brief Compute a mesh basing on discrete CAD description
2997 //================================================================================
2999 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
3001 if ( aMesh.NbFaces() == 0 )
3002 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
3004 context_t *ctx = context_new();
3005 if (!ctx) return error("Pb in context_new()");
3007 if ( aMesh.NbNodes() > std::numeric_limits< meshgems_integer >::max() ||
3008 aMesh.NbFaces() > std::numeric_limits< meshgems_integer >::max() )
3009 return error("Too large input mesh");
3011 BLSURF_Cleaner cleaner( ctx );
3013 message_cb_user_data mcud;
3014 mcud._error = & this->SMESH_Algo::_comment;
3015 mcud._progress = & this->SMESH_Algo::_progress;
3017 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
3018 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
3019 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
3021 cadsurf_session_t * css = cadsurf_session_new(ctx);
3022 if(!css) return error( "Pb. in cadsurf_session_new() " );
3026 // Fill an input mesh
3028 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
3029 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
3031 // mark nodes used by 2D elements
3032 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
3033 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
3034 while ( nodeIt->more() )
3036 const SMDS_MeshNode* n = nodeIt->next();
3037 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
3039 meshgems_mesh_set_vertex_count( msh, (meshgems_integer) meshDS->NbNodes() );
3041 // set node coordinates
3042 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
3044 meshDS->CompactMesh();
3047 nodeIt = meshDS->nodesIterator();
3049 for ( i = 1; nodeIt->more(); ++i )
3051 nXYZ.Set( nodeIt->next() );
3052 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ.ChangeData() );
3055 // set nodes of faces
3056 meshgems_mesh_set_triangle_count ( msh, (meshgems_integer) meshDS->GetMeshInfo().NbTriangles() );
3057 meshgems_mesh_set_quadrangle_count( msh, (meshgems_integer) meshDS->GetMeshInfo().NbQuadrangles() );
3058 meshgems_integer nodeIDs[4];
3059 meshgems_integer iT = 1, iQ = 1;
3060 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
3061 while ( faceIt->more() )
3063 const SMDS_MeshElement* face = faceIt->next();
3064 meshgems_integer nbNodes = face->NbCornerNodes();
3065 if ( nbNodes > 4 || face->IsPoly() ) continue;
3067 for ( i = 0; i < nbNodes; ++i )
3068 nodeIDs[i] = (meshgems_integer) face->GetNode( i )->GetID();
3070 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
3072 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
3075 std::string errorTxt;
3076 if ( !SMESHUtils_MGLicenseKeyGen::SignMesh( msh, errorTxt ))
3077 return error( "Problem with library SalomeMeshGemsKeyGenerator: " + errorTxt );
3079 ret = cadsurf_set_mesh(css, msh);
3080 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
3085 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
3087 ret = cadsurf_compute_mesh(css);
3088 if ( ret != STATUS_OK ) return false;
3091 cadsurf_get_mesh(css, &omsh);
3092 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
3095 // Update SALOME mesh
3097 // remove quadrangles and triangles
3098 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
3100 const SMDS_MeshElement* face = faceIt->next();
3101 if ( !face->IsPoly() )
3102 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
3104 // remove edges that bound the just removed faces
3105 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
3107 const SMDS_MeshElement* edge = edgeIt->next();
3108 const SMDS_MeshNode* n0 = edge->GetNode(0);
3109 const SMDS_MeshNode* n1 = edge->GetNode(1);
3110 if ( n0->isMarked() &&
3112 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
3113 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
3114 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
3116 // remove nodes that just became free
3117 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3119 const SMDS_MeshNode* n = nodeIt->next();
3120 if ( n->isMarked() && n->NbInverseElements() == 0 )
3121 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3125 meshgems_integer nbvtx = 0, nodeID;
3126 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3127 meshgems_real xyz[3];
3128 for ( i = 1; i <= nbvtx; ++i )
3130 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3131 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3132 nodeID = (meshgems_integer) n->GetID();
3133 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3137 meshgems_integer nbtri = 0;
3138 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3139 const SMDS_MeshNode* nodes[4];
3140 for ( i = 1; i <= nbtri; ++i )
3142 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3143 for ( int j = 0; j < 3; ++j )
3145 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3146 nodes[j] = meshDS->FindNode( nodeID );
3148 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3152 meshgems_integer nbquad = 0;
3153 meshgems_mesh_get_quadrangle_count( omsh, &nbquad );
3154 for ( i = 1; i <= nbquad; ++i )
3156 meshgems_mesh_get_quadrangle_vertices( omsh, i, nodeIDs );
3157 for ( int j = 0; j < 4; ++j )
3159 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3160 nodes[j] = meshDS->FindNode( nodeID );
3162 meshDS->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
3167 std::string GMFFileName = _hypothesis->GetGMFFile();
3168 if ( !GMFFileName.empty() )
3170 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.size()-5) != std::string::npos);
3171 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.size()-6) != std::string::npos);
3172 if ( !asciiFound && !binaryFound )
3173 GMFFileName.append(".mesh");
3174 mesh_write_mesh(msh, GMFFileName.c_str());
3178 cadsurf_regain_mesh(css, omsh);
3180 // as we don't assign the new triangles to a shape (the pseudo-shape),
3181 // we mark the shape as always computed to avoid the error messages
3182 // that no elements assigned to the shape
3183 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3188 //================================================================================
3190 * \brief Terminates computation
3192 //================================================================================
3194 void BLSURFPlugin_BLSURF::CancelCompute()
3196 _compute_canceled = true;
3199 //=============================================================================
3203 //=============================================================================
3205 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3206 const SMDS_MeshNode* node,
3207 const TopoDS_Shape& ed)
3209 const TopoDS_Edge edge = TopoDS::Edge(ed);
3211 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3213 Standard_Real p0 = 0.0;
3214 Standard_Real p1 = 1.0;
3215 TopLoc_Location loc;
3216 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3217 if ( curve.IsNull() )
3219 // issue 22499. Node at a sphere apex
3220 meshDS->SetNodeOnEdge(node, edge, p0);
3224 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3225 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3228 if ( proj.NbPoints() > 0 )
3230 pa = (double)proj.LowerDistanceParameter();
3231 // Issue 0020656. Move node if it is too far from edge
3232 gp_Pnt curve_pnt = curve->Value( pa );
3233 double dist2 = pnt.SquareDistance( curve_pnt );
3234 double tol = BRep_Tool::Tolerance( edge );
3235 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3237 curve_pnt.Transform( loc );
3238 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3242 meshDS->SetNodeOnEdge(node, edge, pa);
3245 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3247 * NOTE : if when your CAD systems evaluates second
3248 * order derivatives it also computes first order derivatives and
3249 * function evaluation, you can optimize this example by making only
3250 * one CAD call and filling the necessary uv, dt, dtt arrays.
3252 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3254 /* t is given. It contains the 1D parametric coordintaes
3255 of the point MG-CADSurf is querying on the curve */
3257 /* user_data identifies the edge MG-CADSurf is querying */
3258 const Geom2d_Curve* pargeo = (const Geom2d_Curve*) user_data;
3261 /* MG-CADSurf is querying the function evaluation */
3262 gp_Pnt2d P = pargeo->Value(t);
3263 uv[0]=P.X(); uv[1]=P.Y();
3267 /* query for the first order derivatives */
3268 gp_Vec2d V1 = pargeo->DN(t,1);
3269 dt[0]=V1.X(); dt[1]=V1.Y();
3273 /* query for the second order derivatives */
3274 gp_Vec2d V2 = pargeo->DN(t,2);
3275 dtt[0]=V2.X(); dtt[1]=V2.Y();
3281 /* Surface definition function.
3282 * See cad_surf_t in file meshgems/cad.h for more information.
3283 * NOTE : if when your CAD systems evaluates second order derivatives it also
3284 * computes first order derivatives and function evaluation, you can optimize
3285 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3288 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3289 real *duu, real *duv, real *dvv, void *user_data)
3291 /* uv[2] is given. It contains the u,v coordinates of the point
3292 * PreCAD/MG-CADSurf is querying on the surface */
3294 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3295 * cad_face_new later in this example)*/
3296 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3300 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3301 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3308 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3309 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3310 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3313 if(duu && duv && dvv){
3317 gp_Vec D2U,D2V,D2UV;
3319 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3320 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3321 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3322 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3329 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3331 TId2ClsAttractorVec::iterator f2attVec;
3332 if (FaceId2PythonSmp.count(face_id) != 0) {
3333 assert(Py_IsInitialized());
3334 PyGILState_STATE gstate;
3335 gstate = PyGILState_Ensure();
3336 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3338 if ( pyresult != NULL) {
3339 result = PyFloat_AsDouble(pyresult);
3340 Py_DECREF(pyresult);
3345 string err_description="";
3346 PyObject* new_stderr = newPyStdOut(err_description);
3347 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3348 Py_INCREF(old_stderr);
3349 PySys_SetObject((char*)"stderr", new_stderr);
3351 PySys_SetObject((char*)"stderr", old_stderr);
3352 Py_DECREF(new_stderr);
3353 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3354 result = *((real*)user_data);
3357 PyGILState_Release(gstate);
3359 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3363 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3364 for ( size_t i = 0; i < attVec.size(); ++i )
3366 //result += attVec[i]->GetSize(uv[0],uv[1]);
3367 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3369 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3373 *size = *((real*)user_data);
3375 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3379 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3381 if (EdgeId2PythonSmp.count(edge_id) != 0){
3382 assert(Py_IsInitialized());
3383 PyGILState_STATE gstate;
3384 gstate = PyGILState_Ensure();
3385 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3387 if ( pyresult != NULL) {
3388 result = PyFloat_AsDouble(pyresult);
3389 Py_DECREF(pyresult);
3394 string err_description="";
3395 PyObject* new_stderr = newPyStdOut(err_description);
3396 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3397 Py_INCREF(old_stderr);
3398 PySys_SetObject((char*)"stderr", new_stderr);
3400 PySys_SetObject((char*)"stderr", old_stderr);
3401 Py_DECREF(new_stderr);
3402 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3403 result = *((real*)user_data);
3406 PyGILState_Release(gstate);
3409 *size = *((real*)user_data);
3414 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3416 if (VertexId2PythonSmp.count(point_id) != 0){
3417 assert(Py_IsInitialized());
3418 PyGILState_STATE gstate;
3419 gstate = PyGILState_Ensure();
3420 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3422 if ( pyresult != NULL) {
3423 result = PyFloat_AsDouble(pyresult);
3424 Py_DECREF(pyresult);
3429 string err_description="";
3430 PyObject* new_stderr = newPyStdOut(err_description);
3431 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3432 Py_INCREF(old_stderr);
3433 PySys_SetObject((char*)"stderr", new_stderr);
3435 PySys_SetObject((char*)"stderr", old_stderr);
3436 Py_DECREF(new_stderr);
3437 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3438 result = *((real*)user_data);
3441 PyGILState_Release(gstate);
3444 *size = *((real*)user_data);
3450 * The following function will be called for PreCAD/MG-CADSurf message
3451 * printing. See context_set_message_callback (later in this
3452 * template) for how to set user_data.
3454 status_t message_cb(message_t *msg, void *user_data)
3456 integer errnumber = 0;
3458 message_get_number(msg, &errnumber);
3459 message_get_description(msg, &desc);
3461 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3462 // Get all the error message and some warning messages related to license and periodicity
3463 if ( errnumber < 0 ||
3464 err.find("license" ) != string::npos ||
3465 err.find("periodicity") != string::npos )
3467 // remove ^A from the tail
3468 size_t len = strlen( desc );
3469 while (len > 0 && desc[len-1] != '\n')
3471 mcud->_error->append( desc, len );
3474 if ( errnumber == 3009001 )
3475 * mcud->_progress = atof( desc + 11 ) / 100.;
3476 if ( mcud->_verbosity > 0 )
3477 std::cout << desc << std::endl;
3482 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3483 * function regularily. See the file meshgems/interrupt.h
3485 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3487 integer you_want_to_continue = 1;
3488 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3489 you_want_to_continue = !tmp->computeCanceled();
3491 if(you_want_to_continue)
3493 *interrupt_status = INTERRUPT_CONTINUE;
3496 else /* you want to stop MG-CADSurf */
3498 *interrupt_status = INTERRUPT_STOP;
3499 return STATUS_ERROR;
3503 //=============================================================================
3507 //=============================================================================
3508 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3509 const TopoDS_Shape& aShape,
3510 MapShapeNbElems& aResMap)
3512 double diagonal = aMesh.GetShapeDiagonalSize();
3513 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3514 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3515 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3516 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3517 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3518 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3519 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3521 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3522 _phySizeRel = _hypothesis->IsPhySizeRel();
3523 if ( _hypothesis->GetPhySize() > 0)
3524 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3525 //_geometricMesh = (int) hyp->GetGeometricMesh();
3526 if (_hypothesis->GetAngleMesh() > 0)
3527 _angleMesh = _hypothesis->GetAngleMesh();
3528 _elementType = _hypothesis->GetElementType();
3530 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3531 // GetDefaultPhySize() sometimes leads to computation failure
3532 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3535 bool IsQuadratic = _quadraticMesh;
3540 TopTools_DataMapOfShapeInteger EdgesMap;
3541 double fullLen = 0.0;
3542 double fullNbSeg = 0;
3543 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3544 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3545 if( EdgesMap.IsBound(E) )
3547 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3548 double aLen = SMESH_Algo::EdgeLength(E);
3551 if(_physicalMesh==1) {
3552 nb1d = (int)( aLen/_phySize + 1 );
3557 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3558 double fullAng = 0.0;
3559 double dp = (l-f)/200;
3564 for(int j=2; j<=200; j++) {
3567 fullAng += fabs(V1.Angle(V2));
3571 nb1d = (int)( fullAng/_angleMesh + 1 );
3574 std::vector<smIdType> aVec(SMDSEntity_Last);
3575 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3576 if( IsQuadratic > 0 ) {
3577 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3578 aVec[SMDSEntity_Quad_Edge] = nb1d;
3581 aVec[SMDSEntity_Node] = nb1d - 1;
3582 aVec[SMDSEntity_Edge] = nb1d;
3584 aResMap.insert(std::make_pair(sm,aVec));
3585 EdgesMap.Bind(E,nb1d);
3587 double ELen = fullLen/fullNbSeg;
3591 // try to evaluate as in MEFISTO
3592 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3593 TopoDS_Face F = TopoDS::Face( exp.Current() );
3594 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3596 BRepGProp::SurfaceProperties(F,G);
3597 double anArea = G.Mass();
3599 std::vector<int> nb1dVec;
3600 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3601 int nbSeg = EdgesMap.Find(exp1.Current());
3603 nb1dVec.push_back( nbSeg );
3606 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3607 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3608 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3610 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3612 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3614 nbNodes = (n1 + 1) * (n2 + 1);
3619 nbTria = nbQuad = nbTria / 3 + 1;
3622 std::vector<smIdType> aVec(SMDSEntity_Last,0);
3624 int nb1d_in = (nbTria*3 - nb1d) / 2;
3625 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3626 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3627 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3630 aVec[SMDSEntity_Node] = nbNodes;
3631 aVec[SMDSEntity_Triangle] = nbTria;
3632 aVec[SMDSEntity_Quadrangle] = nbQuad;
3634 aResMap.insert(std::make_pair(sm,aVec));
3641 BRepGProp::VolumeProperties(aShape,G);
3642 double aVolume = G.Mass();
3643 double tetrVol = 0.1179*ELen*ELen*ELen;
3644 int nbVols = int(aVolume/tetrVol);
3645 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3646 std::vector<smIdType> aVec(SMDSEntity_Last);
3647 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3649 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3650 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3653 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3654 aVec[SMDSEntity_Tetra] = nbVols;
3656 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3657 aResMap.insert(std::make_pair(sm,aVec));
3662 //================================================================================
3664 * \brief Find TopoDS_Shape for each hyper-patch study entry in a hypothesis
3666 //================================================================================
3668 void BLSURFPlugin_BLSURF::FillEntryToShape( const BLSURFPlugin_Hypothesis* hyp,
3669 std::map< std::string, TopoDS_Shape > & entryToShape )
3671 SMESH_Gen_i* smeshGen = SMESH_Gen_i::GetSMESHGen();
3672 for ( const ::BLSURFPlugin_Hypothesis::THyperPatchEntries& entries : hyp->GetHyperPatchEntries() )
3673 for ( const std::string& entry : entries )
3675 GEOM::GEOM_Object_var go = smeshGen->GetGeomObjectByEntry( entry );
3676 TopoDS_Shape shape = smeshGen->GeomObjectToShape( go );
3677 if ( !shape.IsNull() )
3678 entryToShape.insert({ entry, shape });