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_Mesh.hxx>
44 #include <SMESH_MeshEditor.hxx>
45 #include <SMESH_MesherHelper.hxx>
46 #include <StdMeshers_FaceSide.hxx>
47 #include <StdMeshers_ViscousLayers2D.hxx>
49 #include <Basics_Utils.hxx>
50 #include <utilities.h>
58 #include <structmember.h> // python
60 // OPENCASCADE includes
61 #include <BRepBndLib.hxx>
62 #include <BRepBuilderAPI_MakeFace.hxx>
63 #include <BRepBuilderAPI_MakePolygon.hxx>
64 #include <BRepBuilderAPI_MakeWire.hxx>
65 #include <BRepGProp.hxx>
66 #include <BRepTools.hxx>
67 #include <BRep_Builder.hxx>
68 #include <BRep_Tool.hxx>
69 #include <GProp_GProps.hxx>
70 #include <Geom2d_Curve.hxx>
71 #include <Geom2d_Line.hxx>
72 #include <GeomAPI_ProjectPointOnCurve.hxx>
73 #include <GeomAPI_ProjectPointOnSurf.hxx>
74 #include <Geom_Curve.hxx>
75 #include <Geom_Surface.hxx>
76 #include <NCollection_DataMap.hxx>
77 #include <NCollection_Map.hxx>
78 #include <Standard_ErrorHandler.hxx>
80 #include <TopExp_Explorer.hxx>
81 #include <TopTools_DataMapOfShapeInteger.hxx>
82 #include <TopTools_IndexedMapOfShape.hxx>
83 #include <TopTools_MapOfShape.hxx>
85 #include <TopoDS_Compound.hxx>
86 #include <TopoDS_Edge.hxx>
87 #include <TopoDS_Face.hxx>
88 #include <TopoDS_Shape.hxx>
89 #include <TopoDS_Vertex.hxx>
90 #include <TopoDS_Wire.hxx>
92 #include <gp_Pnt2d.hxx>
102 /* ==================================
103 * =========== PYTHON ==============
104 * ==================================*/
115 PyStdOut_dealloc(PyStdOut *self)
121 PyStdOut_write(PyStdOut *self, PyObject *args)
125 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
128 *(self->out)=*(self->out)+c;
134 static PyMethodDef PyStdOut_methods[] = {
135 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
136 PyDoc_STR("write(string) -> None")},
137 {0, 0, 0, 0} /* sentinel */
140 static PyMemberDef PyStdOut_memberlist[] = {
141 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
142 (char*)"flag indicating that a space needs to be printed; used by print"},
143 {0, 0, 0, 0, 0} /* Sentinel */
146 static PyTypeObject PyStdOut_Type = {
147 /* The ob_type field must be initialized in the module init function
148 * to be portable to Windows without using C++. */
149 PyVarObject_HEAD_INIT(NULL, 0)
151 sizeof(PyStdOut), /*tp_basicsize*/
154 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
161 0, /*tp_as_sequence*/
166 PyObject_GenericGetAttr, /*tp_getattro*/
167 /* softspace is writable: we must supply tp_setattro */
168 PyObject_GenericSetAttr, /* tp_setattro */
170 Py_TPFLAGS_DEFAULT, /*tp_flags*/
174 0, /*tp_richcompare*/
175 0, /*tp_weaklistoffset*/
178 PyStdOut_methods, /*tp_methods*/
179 PyStdOut_memberlist, /*tp_members*/
197 0, /*tp_version_tag*/
201 PyObject * newPyStdOut( std::string& out )
203 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
208 return (PyObject*)self;
213 ////////////////////////END PYTHON///////////////////////////
215 //////////////////MY MAPS////////////////////////////////////////
217 TopTools_IndexedMapOfShape FacesWithSizeMap;
218 std::map<int,string> FaceId2SizeMap;
219 TopTools_IndexedMapOfShape EdgesWithSizeMap;
220 std::map<int,string> EdgeId2SizeMap;
221 TopTools_IndexedMapOfShape VerticesWithSizeMap;
222 std::map<int,string> VertexId2SizeMap;
224 std::map<int,PyObject*> FaceId2PythonSmp;
225 std::map<int,PyObject*> EdgeId2PythonSmp;
226 std::map<int,PyObject*> VertexId2PythonSmp;
228 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
229 TId2ClsAttractorVec FaceId2ClassAttractor;
230 TId2ClsAttractorVec FaceIndex2ClassAttractor;
231 std::map<int,std::vector<double> > FaceId2AttractorCoords;
234 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
235 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
236 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
237 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
238 SMESH_MesherHelper* theHelper;
240 bool HasSizeMapOnFace=false;
241 bool HasSizeMapOnEdge=false;
242 bool HasSizeMapOnVertex=false;
243 //bool HasAttractorOnFace=false;
245 //=============================================================================
249 //=============================================================================
251 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
254 : SMESH_2D_Algo(hypId, gen)
256 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
257 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
258 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
260 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
261 _requireDiscreteBoundary = false;
262 _onlyUnaryInput = false;
264 _supportSubmeshes = true;
265 _requireShape = theHasGEOM;
267 /* Initialize the Python interpreter */
268 assert(Py_IsInitialized());
269 PyGILState_STATE gstate;
270 gstate = PyGILState_Ensure();
273 main_mod = PyImport_AddModule("__main__");
276 main_dict = PyModule_GetDict(main_mod);
278 PyRun_SimpleString("from math import *");
279 PyGILState_Release(gstate);
281 FacesWithSizeMap.Clear();
282 FaceId2SizeMap.clear();
283 EdgesWithSizeMap.Clear();
284 EdgeId2SizeMap.clear();
285 VerticesWithSizeMap.Clear();
286 VertexId2SizeMap.clear();
287 FaceId2PythonSmp.clear();
288 EdgeId2PythonSmp.clear();
289 VertexId2PythonSmp.clear();
290 FaceId2AttractorCoords.clear();
291 FaceId2ClassAttractor.clear();
292 FaceIndex2ClassAttractor.clear();
293 FacesWithEnforcedVertices.Clear();
294 FaceId2EnforcedVertexCoords.clear();
295 EnfVertexCoords2ProjVertex.clear();
296 EnfVertexCoords2EnfVertexList.clear();
298 _compute_canceled = false;
301 //=============================================================================
305 //=============================================================================
307 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
312 //=============================================================================
316 //=============================================================================
318 bool BLSURFPlugin_BLSURF::CheckHypothesis
320 const TopoDS_Shape& aShape,
321 SMESH_Hypothesis::Hypothesis_Status& aStatus)
324 _haveViscousLayers = false;
326 list<const SMESHDS_Hypothesis*>::const_iterator itl;
327 const SMESHDS_Hypothesis* theHyp;
329 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
330 /*ignoreAuxiliary=*/false);
331 aStatus = SMESH_Hypothesis::HYP_OK;
334 return true; // can work with no hypothesis
337 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
340 string hypName = theHyp->GetName();
341 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
342 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
344 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
346 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
347 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
348 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
349 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
351 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
353 if ( !_haveViscousLayers )
355 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
356 _haveViscousLayers = true;
361 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
364 return aStatus == SMESH_Hypothesis::HYP_OK;
367 //=============================================================================
369 * Pass parameters to MG-CADSurf
371 //=============================================================================
373 inline std::string val_to_string(double d)
375 std::ostringstream o;
380 inline std::string val_to_string_rel(double d)
382 std::ostringstream o;
388 inline std::string val_to_string(int i)
390 std::ostringstream o;
395 inline std::string val_to_string_rel(int i)
397 std::ostringstream o;
403 double _smp_phy_size;
404 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
405 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
406 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
408 /////////////////////////////////////////////////////////
410 BLSURFPlugin_BLSURF::projectionPoint
411 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS_Face& theFace,
412 const gp_Pnt& thePoint,
413 const bool theAllowStateON)
415 projectionPoint myPoint;
417 if ( theFace.IsNull() )
419 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
420 TopTools_MapOfShape checkedFaces;
421 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
423 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
425 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
426 if ( !checkedFaces.Add( face )) continue;
428 // check distance to face
429 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
430 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
431 double distance = surface->Gap();
432 if ( distance > Precision::Confusion() )
434 // the face is far, store for future analysis
435 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
439 // check location on the face
440 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
441 if (( FC.State() == TopAbs_IN ) ||
442 ( FC.State() == TopAbs_ON && theAllowStateON ))
444 if ( !foundFace.IsNull() && !theAllowStateON )
445 return myPoint; // thePoint seems to be TopAbs_ON
447 myPoint.uv = uv.XY();
448 myPoint.xyz = surface->Value( uv ).XYZ();
449 myPoint.state = FC.State();
452 if ( FC.State() == TopAbs_ON && !theAllowStateON )
456 if ( foundFace.IsNull() )
458 // find the closest face
459 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
460 for ( ; d2f != dist2face.end(); ++d2f )
462 const TopoDS_Face& face = d2f->second.first;
463 const gp_Pnt2d & uv = d2f->second.second;
464 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
465 if (( FC.State() == TopAbs_IN ) ||
466 ( FC.State() == TopAbs_ON && theAllowStateON ))
469 myPoint.uv = uv.XY();
470 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
471 myPoint.state = FC.State();
472 if ( FC.State() == TopAbs_IN )
477 // set the resultShape
478 // if ( foundFace.IsNull() )
479 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
480 // "getProjectionPoint: can't find a face by a vertex");
481 theFace = TopoDS::Face( foundFace );
483 else // !theFace.IsNull()
485 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
486 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
487 if ( !projector.IsDone() || projector.NbPoints()==0 )
488 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
489 "getProjectionPoint: can't project a vertex to a face");
492 projector.LowerDistanceParameters(u,v);
493 myPoint.uv = gp_XY(u,v);
494 myPoint.xyz = projector.NearestPoint().XYZ();
496 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
497 myPoint.state = FC.State();
499 if (( FC.State() != TopAbs_IN ) &&
500 ( FC.State() != TopAbs_ON || !theAllowStateON ))
507 /////////////////////////////////////////////////////////
508 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
510 GEOM::GEOM_Object_var aGeomObj = SMESH_Gen_i::GetSMESHGen()->GetGeomObjectByEntry( entry );
511 TopoDS_Shape S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj );
515 void _createEnforcedVertexOnFace(TopoDS_Face faceShape,
517 BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
519 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
521 // Find the face and get the (u,v) values of the enforced vertex on the face
522 BLSURFPlugin_BLSURF::projectionPoint projPnt =
523 BLSURFPlugin_BLSURF::getProjectionPoint( faceShape, aPnt, /*allowStateON=*/true );
524 if ( faceShape.IsNull() )
527 enf_coords.push_back(aPnt.X());
528 enf_coords.push_back(aPnt.Y());
529 enf_coords.push_back(aPnt.Z());
531 coords.push_back(projPnt.uv.X());
532 coords.push_back(projPnt.uv.Y());
533 coords.push_back(projPnt.xyz.X());
534 coords.push_back(projPnt.xyz.Y());
535 coords.push_back(projPnt.xyz.Z());
536 coords.push_back(projPnt.state == TopAbs_ON);
538 s_coords.push_back(projPnt.xyz.X());
539 s_coords.push_back(projPnt.xyz.Y());
540 s_coords.push_back(projPnt.xyz.Z());
542 // Save pair projected vertex / enf vertex
543 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
544 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
545 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
546 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
547 if (ret.second == false) {
549 (*it)->grpName = enfVertex->grpName;
552 int key = FacesWithEnforcedVertices.Add( faceShape );
554 // If a node is already created by an attractor, do not create enforced vertex
555 int attractorKey = FacesWithSizeMap.FindIndex( faceShape );
556 bool sameAttractor = false;
557 if (attractorKey >= 0)
558 if (FaceId2AttractorCoords.count(attractorKey) > 0)
559 if (FaceId2AttractorCoords[attractorKey] == coords)
560 sameAttractor = true;
562 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
564 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redundant coords here (see std::set management)
567 if (! sameAttractor) {
568 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
570 FaceId2EnforcedVertexCoords[key] = ens;
575 /////////////////////////////////////////////////////////
576 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
579 for( BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex : enfVertexList )
581 // Case of manual coords
582 if (enfVertex->coords.size() != 0) {
583 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
584 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
587 // Case of geom vertex coords
588 if (enfVertex->geomEntry != "") {
589 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
590 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
591 if (GeomType == TopAbs_VERTEX)
593 enfVertex->vertex = TopoDS::Vertex( GeomShape );
594 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
595 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
598 if (GeomType == TopAbs_COMPOUND)
600 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
601 if (it.Value().ShapeType() == TopAbs_VERTEX)
603 enfVertex->vertex = TopoDS::Vertex( it.Value() );
604 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
605 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
612 /////////////////////////////////////////////////////////
613 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
615 double xa=0., ya=0., za=0.; // Coordinates of attractor point
616 double a, b; // Attractor parameter
618 bool createNode=false; // To create a node on attractor projection
620 const char *sep = ";";
621 // atIt->second has the following pattern:
622 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
624 // xa;ya;za : coordinates of attractor
625 // a : desired size on attractor
626 // b : distance of influence of attractor
627 // d : distance until which the size remains constant
629 // We search the parameters in the string
631 pos1 = AttractorFunction.find(sep);
632 if (pos1!=string::npos)
633 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
635 pos2 = AttractorFunction.find(sep, pos1+1);
636 if (pos2!=string::npos) {
637 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
641 pos2 = AttractorFunction.find(sep, pos1+1);
642 if (pos2!=string::npos) {
643 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
647 pos2 = AttractorFunction.find(sep, pos1+1);
648 if (pos2!=string::npos) {
649 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
653 pos2 = AttractorFunction.find(sep, pos1+1);
654 if (pos2!=string::npos) {
655 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
659 pos2 = AttractorFunction.find(sep, pos1+1);
660 if (pos2!=string::npos) {
661 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
662 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
666 pos2 = AttractorFunction.find(")");
667 if (pos2!=string::npos) {
668 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
671 // Get the (u,v) values of the attractor on the face
672 BLSURFPlugin_BLSURF::projectionPoint projPnt =
673 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
674 gp_XY uvPoint = projPnt.uv;
675 gp_XYZ xyzPoint = projPnt.xyz;
676 Standard_Real u0 = uvPoint.X();
677 Standard_Real v0 = uvPoint.Y();
678 Standard_Real x0 = xyzPoint.X();
679 Standard_Real y0 = xyzPoint.Y();
680 Standard_Real z0 = xyzPoint.Z();
681 std::vector<double> coords;
682 coords.push_back(u0);
683 coords.push_back(v0);
684 coords.push_back(x0);
685 coords.push_back(y0);
686 coords.push_back(z0);
687 // We construct the python function
688 ostringstream attractorFunctionStream;
689 attractorFunctionStream << "def f(u,v): return ";
690 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
691 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
692 // rnc: make possible to keep the size constant until
693 // a defined distance. Distance is expressed as the positiv part
694 // of r-d where r is the distance to (u0,v0)
695 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
698 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
699 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
702 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
704 FaceId2SizeMap[key] =attractorFunctionStream.str();
706 FaceId2AttractorCoords[key] = coords;
708 // // Test for new attractors
709 // gp_Pnt myP(xyzPoint);
710 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
711 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
712 // myAttractor.SetParameters(a, defaultSize, b, d);
713 // myAttractor.SetType(1);
714 // FaceId2ClassAttractor[key] = myAttractor;
715 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
719 // One sub-shape to get ids from
720 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
721 const TopoDS_Shape& theSubShape,
722 TopAbs_ShapeEnum theShapeType)
724 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
726 TopTools_MapOfShape subShapes;
727 TopTools_IndexedMapOfShape anIndices;
728 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
730 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
732 if ( subShapes.Add( face_iter.Current() )) // issue 23416
734 int face_id = anIndices.FindIndex( face_iter.Current() );
736 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
737 face_ids.push_back( face_id );
743 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
744 TopoDS_Shape theSubShape,
745 TopAbs_ShapeEnum theShapeType)
747 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
749 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
751 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
753 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
754 face_ids.push_back(face_id);
760 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
762 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
764 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
765 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
770 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
772 if (theVertexEntry!="")
774 TopoDS_Shape aShape = entryToShape(theVertexEntry);
776 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
777 double theX, theY, theZ;
782 theVerticesCoords.push_back(theX);
783 theVerticesCoords.push_back(theY);
784 theVerticesCoords.push_back(theZ);
788 /////////////////////////////////////////////////////////
789 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
791 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
792 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
794 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
795 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
797 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
798 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
799 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
801 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
802 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
804 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
807 /////////////////////////////////////////////////////////
808 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
810 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
811 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
813 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
814 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
816 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
817 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
818 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
820 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
821 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
823 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
827 /////////////////////////////////////////////////////////
829 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
830 cadsurf_session_t * css,
831 const TopoDS_Shape& theGeomShape)
834 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
835 FacesWithSizeMap.Clear();
836 FaceId2SizeMap.clear();
837 EdgesWithSizeMap.Clear();
838 EdgeId2SizeMap.clear();
839 VerticesWithSizeMap.Clear();
840 VertexId2SizeMap.clear();
841 FaceId2PythonSmp.clear();
842 EdgeId2PythonSmp.clear();
843 VertexId2PythonSmp.clear();
844 FaceId2AttractorCoords.clear();
845 FaceId2ClassAttractor.clear();
846 FaceIndex2ClassAttractor.clear();
847 FacesWithEnforcedVertices.Clear();
848 FaceId2EnforcedVertexCoords.clear();
849 EnfVertexCoords2ProjVertex.clear();
850 EnfVertexCoords2EnfVertexList.clear();
852 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
853 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
854 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
855 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
856 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
857 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
858 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
859 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
860 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
861 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
862 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
863 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
864 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
865 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
866 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
867 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
868 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
869 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
870 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
871 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
872 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
873 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
874 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
875 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
876 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
877 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
878 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
879 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
880 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
881 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
882 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
883 bool _useSurfaceProximity = BLSURFPlugin_Hypothesis::GetDefaultUseSurfaceProximity ();
884 int _nbSurfaceProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbSurfaceProximityLayers();
885 double _surfaceProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultSurfaceProximityRatio ();
886 bool _useVolumeProximity = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeProximity ();
887 int _nbVolumeProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbVolumeProximityLayers ();
888 double _volumeProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultVolumeProximityRatio ();
891 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
892 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
893 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
894 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
896 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
899 _physicalMesh = (int) hyp->GetPhysicalMesh();
900 _geometricMesh = (int) hyp->GetGeometricMesh();
901 if (hyp->GetPhySize() > 0) {
902 _phySize = hyp->GetPhySize();
903 // if user size is not explicitly specified, "relative" flag is ignored
904 _phySizeRel = hyp->IsPhySizeRel();
906 if (hyp->GetMinSize() > 0) {
907 _minSize = hyp->GetMinSize();
908 // if min size is not explicitly specified, "relative" flag is ignored
909 _minSizeRel = hyp->IsMinSizeRel();
911 if (hyp->GetMaxSize() > 0) {
912 _maxSize = hyp->GetMaxSize();
913 // if max size is not explicitly specified, "relative" flag is ignored
914 _maxSizeRel = hyp->IsMaxSizeRel();
916 _use_gradation = hyp->GetUseGradation();
917 if (hyp->GetGradation() > 0 && _use_gradation)
918 _gradation = hyp->GetGradation();
919 _use_volume_gradation = hyp->GetUseVolumeGradation();
920 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
921 _volume_gradation = hyp->GetVolumeGradation();
922 _elementType = hyp->GetElementType();
923 if (hyp->GetAngleMesh() > 0)
924 _angleMesh = hyp->GetAngleMesh();
925 if (hyp->GetChordalError() > 0)
926 _chordalError = hyp->GetChordalError();
927 _anisotropic = hyp->GetAnisotropic();
928 if (hyp->GetAnisotropicRatio() >= 0)
929 _anisotropicRatio = hyp->GetAnisotropicRatio();
930 _removeTinyEdges = hyp->GetRemoveTinyEdges();
931 if (hyp->GetTinyEdgeLength() > 0)
932 _tinyEdgeLength = hyp->GetTinyEdgeLength();
933 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
934 if (hyp->GetTinyEdgeOptimisationLength() > 0)
935 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
936 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
937 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
938 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
939 _badElementRemoval = hyp->GetBadElementRemoval();
940 if (hyp->GetBadElementAspectRatio() >= 0)
941 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
942 _optimizeMesh = hyp->GetOptimizeMesh();
943 _quadraticMesh = hyp->GetQuadraticMesh();
944 _verb = hyp->GetVerbosity();
945 //_topology = (int) hyp->GetTopology();
947 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
948 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
949 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
950 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
951 _useSurfaceProximity = hyp->GetUseSurfaceProximity ();
952 _nbSurfaceProximityLayers = hyp->GetNbSurfaceProximityLayers();
953 _surfaceProximityRatio = hyp->GetSurfaceProximityRatio ();
954 _useVolumeProximity = hyp->GetUseVolumeProximity ();
955 _nbVolumeProximityLayers = hyp->GetNbVolumeProximityLayers ();
956 _volumeProximityRatio = hyp->GetVolumeProximityRatio ();
959 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
960 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
961 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
962 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
963 if ( !opIt->second.empty() ) {
964 // With MeshGems 2.4-5, there are issues with periodicity and multithread
965 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
966 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
967 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
968 set_param(css, opIt->first.c_str(), "1");
971 set_param(css, opIt->first.c_str(), opIt->second.c_str());
975 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
976 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
977 if ( !opIt->second.empty() ) {
978 set_param(css, opIt->first.c_str(), opIt->second.c_str());
981 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
982 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
983 if ( !opIt->second.empty() ) {
984 set_param(css, opIt->first.c_str(), opIt->second.c_str());
987 if ( hyp->GetHyperPatches().size() < hyp->GetHyperPatchEntries().size() )
989 std::map< std::string, TopoDS_Shape > entryToShape;
990 FillEntryToShape( hyp, entryToShape );
991 const_cast<BLSURFPlugin_Hypothesis*>( hyp )->SetHyperPatchIDsByEntry( theGeomShape,
996 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
998 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
1000 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
1001 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
1002 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
1003 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
1004 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
1005 //set_param(css, "max_number_of_points_per_patch", "1000000");
1007 bool useGradation = false;
1008 switch (_physicalMesh)
1010 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1011 set_param(css, "physical_size_mode", "global");
1012 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1013 //useGradation = true;
1015 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1016 set_param(css, "physical_size_mode", "local");
1017 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1018 //useGradation = true;
1021 set_param(css, "physical_size_mode", "none");
1024 switch (_geometricMesh)
1026 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1027 set_param(css, "geometric_size_mode", "global");
1028 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1029 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1030 //useGradation = true;
1032 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1033 set_param(css, "geometric_size_mode", "local");
1034 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1035 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1036 //useGradation = true;
1039 set_param(css, "geometric_size_mode", "none");
1042 if ( hyp && hyp->GetPhySize() > 0 ) {
1043 // user size is explicitly specified via hypothesis parameters
1044 // min and max sizes should be compared with explicitly specified user size
1045 // - compute absolute min size
1046 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1047 // - min size should not be greater than user size
1048 if ( _phySize < mins )
1049 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1051 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1052 // - compute absolute max size
1053 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1054 // - max size should not be less than user size
1055 if ( _phySize > maxs )
1056 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1058 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1061 // user size is not explicitly specified
1062 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1063 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1064 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1065 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1067 useGradation = true; // bos #18758
1068 // anisotropic and quadrangle mesh requires disabling gradation
1069 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1070 useGradation = false; // limitation of V1.3
1071 if ( useGradation && _use_gradation )
1072 set_param(css, "gradation", val_to_string(_gradation).c_str());
1073 if ( useGradation && _use_volume_gradation )
1074 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1076 // New since MeshGems 2.5: add full_quad
1077 const char * element_generation = "";
1078 switch ( _elementType )
1080 case BLSURFPlugin_Hypothesis::Triangles:
1081 element_generation = "triangle";
1083 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1084 element_generation = "quad_dominant";
1086 case BLSURFPlugin_Hypothesis::Quadrangles:
1087 element_generation = "full_quad";
1091 set_param(css, "element_generation", element_generation);
1094 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1096 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1097 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1098 if ( _removeTinyEdges )
1099 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1100 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1101 if ( _optimiseTinyEdges )
1102 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1103 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1104 if ( _correctSurfaceIntersec )
1105 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1106 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1107 if ( _badElementRemoval )
1108 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1109 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1110 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1111 set_param(css, "verbose", val_to_string(_verb).c_str());
1113 set_param(css, "use_surface_proximity", _useSurfaceProximity ? "yes" : "no" );
1114 if ( _useSurfaceProximity )
1116 set_param(css, "surface_proximity_layers", SMESH_Comment( _nbSurfaceProximityLayers ));
1117 set_param(css, "surface_proximity_ratio", SMESH_Comment( _surfaceProximityRatio ));
1119 set_param(css, "use_volume_proximity", _useVolumeProximity ? "yes" : "no" );
1120 if ( _useVolumeProximity )
1122 set_param(css, "volume_proximity_layers", SMESH_Comment( _nbVolumeProximityLayers ));
1123 set_param(css, "volume_proximity_ratio", SMESH_Comment( _volumeProximityRatio ));
1126 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1128 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1130 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1132 TopoDS_Shape GeomShape;
1133 TopoDS_Shape AttShape;
1134 TopAbs_ShapeEnum GeomType;
1136 // Standard Size Maps
1138 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1139 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1140 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1141 if ( !smIt->second.empty() ) {
1142 GeomShape = entryToShape(smIt->first);
1143 GeomType = GeomShape.ShapeType();
1146 if (GeomType == TopAbs_COMPOUND) {
1147 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1149 if (it.Value().ShapeType() == TopAbs_FACE){
1150 HasSizeMapOnFace = true;
1151 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1152 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1155 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1157 FaceId2SizeMap[key] = smIt->second;
1160 if (it.Value().ShapeType() == TopAbs_EDGE){
1161 HasSizeMapOnEdge = true;
1162 HasSizeMapOnFace = true;
1163 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1164 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1167 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1169 EdgeId2SizeMap[key] = smIt->second;
1171 // Group of vertices
1172 if (it.Value().ShapeType() == TopAbs_VERTEX){
1173 HasSizeMapOnVertex = true;
1174 HasSizeMapOnEdge = true;
1175 HasSizeMapOnFace = true;
1176 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1177 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1180 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1182 VertexId2SizeMap[key] = smIt->second;
1187 if (GeomType == TopAbs_FACE){
1188 HasSizeMapOnFace = true;
1189 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1190 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1193 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1195 FaceId2SizeMap[key] = smIt->second;
1198 if (GeomType == TopAbs_EDGE){
1199 HasSizeMapOnEdge = true;
1200 HasSizeMapOnFace = true;
1201 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1202 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1205 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1207 EdgeId2SizeMap[key] = smIt->second;
1210 if (GeomType == TopAbs_VERTEX){
1211 HasSizeMapOnVertex = true;
1212 HasSizeMapOnEdge = true;
1213 HasSizeMapOnFace = true;
1214 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1215 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1218 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1220 VertexId2SizeMap[key] = smIt->second;
1228 // TODO appeler le constructeur des attracteurs directement ici
1229 // if ( !_phySizeRel ) {
1230 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1231 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1232 for ( ; atIt != attractors.end(); ++atIt ) {
1233 if ( !atIt->second.empty() ) {
1234 GeomShape = entryToShape(atIt->first);
1235 GeomType = GeomShape.ShapeType();
1237 if (GeomType == TopAbs_COMPOUND){
1238 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1239 if (it.Value().ShapeType() == TopAbs_FACE){
1240 HasSizeMapOnFace = true;
1241 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1246 if (GeomType == TopAbs_FACE){
1247 HasSizeMapOnFace = true;
1248 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1251 if (GeomType == TopAbs_EDGE){
1252 HasSizeMapOnEdge = true;
1253 HasSizeMapOnFace = true;
1254 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1256 if (GeomType == TopAbs_VERTEX){
1257 HasSizeMapOnVertex = true;
1258 HasSizeMapOnEdge = true;
1259 HasSizeMapOnFace = true;
1260 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1268 // temporary commented out for testing
1270 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1271 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1272 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1274 // - Construct the attractors with an empty dist. map in the hypothesis
1275 // - 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()
1276 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1278 theNbAttractors = 0;
1279 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1281 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1282 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1283 if ( !AtIt->second->Empty() ) {
1284 GeomShape = entryToShape(AtIt->first);
1285 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1287 AttShape = AtIt->second->GetAttractorShape();
1288 GeomType = GeomShape.ShapeType();
1290 // if (GeomType == TopAbs_COMPOUND){
1291 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1292 // if (it.Value().ShapeType() == TopAbs_FACE){
1293 // HasAttractorOnFace = true;
1294 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1299 if (GeomType == TopAbs_FACE
1300 && (AttShape.ShapeType() == TopAbs_VERTEX
1301 || AttShape.ShapeType() == TopAbs_EDGE
1302 || AttShape.ShapeType() == TopAbs_WIRE
1303 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1304 HasSizeMapOnFace = true;
1306 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1308 FaceId2ClassAttractor[key].push_back( AtIt->second );
1312 MESSAGE("Wrong shape type !!")
1320 // Enforced Vertices
1322 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1323 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1324 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1325 if ( !enfIt->second.empty() ) {
1326 GeomShape = entryToShape(enfIt->first);
1327 if ( GeomShape.IsNull() )
1329 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1332 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1334 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1335 if (it.Value().ShapeType() == TopAbs_FACE){
1336 HasSizeMapOnFace = true;
1337 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1341 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1343 HasSizeMapOnFace = true;
1344 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1349 // Internal vertices
1350 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1351 if (useInternalVertexAllFaces) {
1352 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1354 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1355 for (; exp.More(); exp.Next()){
1356 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1357 for (; exp_face.More(); exp_face.Next())
1359 // Get coords of vertex
1360 // Check if current coords is already in enfVertexList
1361 // If coords not in enfVertexList, add new enfVertex
1362 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1363 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1364 enfVertex->coords.push_back(aPnt.X());
1365 enfVertex->coords.push_back(aPnt.Y());
1366 enfVertex->coords.push_back(aPnt.Z());
1367 enfVertex->name = "";
1368 enfVertex->faceEntries.clear();
1369 enfVertex->geomEntry = "";
1370 enfVertex->grpName = grpName;
1371 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1372 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1373 HasSizeMapOnFace = true;
1378 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1380 if (HasSizeMapOnEdge){
1381 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1383 if (HasSizeMapOnVertex){
1384 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1391 _preCadFacesIDsPeriodicityVector.clear();
1392 _preCadEdgesIDsPeriodicityVector.clear();
1394 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1395 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1398 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1400 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1401 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1405 //================================================================================
1407 * \brief Throws an exception if a parameter name is wrong
1409 //================================================================================
1411 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1412 const char * option_name,
1413 const char * option_value)
1415 status_t status = cadsurf_set_param(css, option_name, option_value );
1417 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1418 cout << option_name << " = " << option_value << endl;
1420 if ( status != MESHGEMS_STATUS_OK )
1422 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1423 throw SALOME_Exception
1424 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1426 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1427 throw SALOME_Exception
1428 ( "No valid license available" );
1430 throw SALOME_Exception
1431 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1432 << option_name << "': " << option_value);
1438 // --------------------------------------------------------------------------
1440 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1442 struct BLSURF_Cleaner
1445 cadsurf_session_t* _css;
1449 BLSURF_Cleaner(context_t * ctx,
1450 cadsurf_session_t* css=0,
1461 Clean( /*exceptContext=*/false );
1463 void Clean(const bool exceptContext)
1467 cadsurf_session_delete(_css); _css = 0;
1469 // #if BLSURF_VERSION_LONG >= "3.1.1"
1470 // // if(geo_sizemap_e)
1471 // // distene_sizemap_delete(geo_sizemap_e);
1472 // // if(geo_sizemap_f)
1473 // // distene_sizemap_delete(geo_sizemap_f);
1474 // if(iso_sizemap_p)
1475 // distene_sizemap_delete(iso_sizemap_p);
1476 // if(iso_sizemap_e)
1477 // distene_sizemap_delete(iso_sizemap_e);
1478 // if(iso_sizemap_f)
1479 // distene_sizemap_delete(iso_sizemap_f);
1481 // // if(clean_geo_sizemap_e)
1482 // // distene_sizemap_delete(clean_geo_sizemap_e);
1483 // // if(clean_geo_sizemap_f)
1484 // // distene_sizemap_delete(clean_geo_sizemap_f);
1485 // if(clean_iso_sizemap_p)
1486 // distene_sizemap_delete(clean_iso_sizemap_p);
1487 // if(clean_iso_sizemap_e)
1488 // distene_sizemap_delete(clean_iso_sizemap_e);
1489 // if(clean_iso_sizemap_f)
1490 // distene_sizemap_delete(clean_iso_sizemap_f);
1493 cad_delete(_cad); _cad = 0;
1494 dcad_delete(_dcad); _dcad = 0;
1495 if ( !exceptContext )
1497 context_delete(_ctx); _ctx = 0;
1503 // --------------------------------------------------------------------------
1504 // comparator to sort nodes and sub-meshes
1505 struct ShapeTypeCompare
1507 // sort nodes by position in the following order:
1508 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1509 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1511 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1512 //return n1->getIdInShape() < n2->getIdInShape();
1513 return n1->GetID() < n2->GetID(); // earlier created nodes have less IDs
1515 // sort sub-meshes in order: EDGE, VERTEX
1516 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1518 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1519 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1520 if ( isVertex1 == isVertex2 )
1522 return isVertex1 < isVertex2;
1526 //================================================================================
1528 * \brief Fills groups of nodes to be merged
1530 //================================================================================
1532 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1533 const TopoDS_Shape& shape,
1534 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1536 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1537 switch ( shape.ShapeType() )
1539 case TopAbs_VERTEX: {
1540 std::list< const SMDS_MeshNode* > nodes;
1541 while ( nIt->more() )
1542 nodes.push_back( nIt->next() );
1543 if ( nodes.size() > 1 )
1544 nodeGroupsToMerge.push_back( nodes );
1548 std::multimap< double, const SMDS_MeshNode* > u2node;
1549 while ( nIt->more() )
1551 const SMDS_MeshNode* n = nIt->next();
1552 if ( SMDS_EdgePositionPtr ePos = n->GetPosition() )
1553 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1555 if ( u2node.size() < 2 ) return;
1557 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1559 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1560 double tol = (( l - f ) / 10.) / double( u2node.size() ); // 10. - adjusted for #17262
1562 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1563 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1565 if (( un2->first - un1->first ) <= tol )
1567 std::list< const SMDS_MeshNode* > nodes;
1568 nodes.push_back( un1->second );
1569 while (( un2->first - un1->first ) <= tol )
1571 nodes.push_back( un2->second );
1572 if ( ++un2 == u2node.end()) {
1577 // make nodes created on the boundary of viscous layer replace nodes created
1578 // by MG-CADSurf as their SMDS_Position is more correct
1579 nodes.sort( ShapeTypeCompare() );
1580 nodeGroupsToMerge.push_back( nodes );
1587 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1588 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1590 // cout << "Merge ";
1591 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1592 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1593 // for ( ; nIt != nl.end(); ++nIt )
1594 // cout << (*nIt) << " ";
1600 //================================================================================
1602 * \brief A temporary mesh used to compute mesh on a proxy FACE
1604 //================================================================================
1606 struct TmpMesh: public SMESH_Mesh
1608 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1609 TN2NMap _tmp2origNN;
1610 TopoDS_Face _proxyFace;
1614 _meshDS = new SMESHDS_Mesh( _id, true );
1616 //--------------------------------------------------------------------------------
1618 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1620 //--------------------------------------------------------------------------------
1622 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1623 const TopoDS_Face& origFace)
1625 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1627 SMESH_MesherHelper helper( *origMesh );
1628 helper.SetSubShape( origFace );
1629 const bool hasSeam = helper.HasRealSeam();
1631 // get data of nodes on inner boundary of viscous layers
1633 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1634 /*skipMediumNodes = */true,
1635 err, &helper, viscousMesh );
1636 if ( err && err->IsKO() )
1637 throw *err.get(); // it should be caught at SMESH_subMesh
1639 // proxy nodes and corresponding tmp VERTEXes
1640 std::vector<const SMDS_MeshNode*> origNodes;
1641 std::vector<TopoDS_Vertex> tmpVertex;
1643 // create a proxy FACE
1644 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1645 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1646 bool hasPCurves = false;
1647 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1649 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1650 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1651 if ( wirePoints.size() < 3 )
1654 BRepBuilderAPI_MakePolygon polygon;
1655 const size_t i0 = tmpVertex.size();
1656 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1658 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1659 origNodes.push_back( wirePoints[ iN ].node );
1660 tmpVertex.push_back( polygon.LastVertex() );
1662 // check presence of a pcurve
1663 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1665 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1667 if ( !polygon.IsDone() )
1668 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1669 TopoDS_Wire wire = polygon;
1671 wire = updateSeam( wire, origNodes );
1672 newFace.Add( wire );
1674 _proxyFace = newFace;
1676 // set a new shape to mesh
1677 TopoDS_Compound auxCompoundToMesh;
1678 BRep_Builder shapeBuilder;
1679 shapeBuilder.MakeCompound( auxCompoundToMesh );
1680 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1681 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1683 ShapeToMesh( auxCompoundToMesh );
1686 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1688 // make nodes and fill in _tmp2origNN
1690 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1691 for ( size_t i = 0; i < origNodes.size(); ++i )
1693 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1694 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1695 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1696 // else -- it can be a seam vertex replaced by updateSeam()
1697 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1701 TopoDS_Vertex v1, v2;
1702 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1704 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1705 TopExp::Vertices( E, v1, v2 );
1706 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1707 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1709 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1710 tmpMeshDS->SetMeshElementOnShape( seg, E );
1716 //--------------------------------------------------------------------------------
1718 * \brief Add pcurve to the last edge of a wire
1720 //--------------------------------------------------------------------------------
1722 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1723 const TopoDS_Face& face,
1725 const uvPtStruct * wirePoints )
1729 TopoDS_Edge edge = wire.Edge();
1730 if ( edge.IsNull() ) return;
1732 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1737 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1738 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1739 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1740 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1741 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1742 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1743 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1744 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1747 //--------------------------------------------------------------------------------
1749 * \brief Replace coincident EDGEs with reversed copies.
1751 //--------------------------------------------------------------------------------
1753 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1754 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1756 BRepBuilderAPI_MakeWire newWire;
1758 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1759 TSeg2EdgeMap seg2EdgeMap;
1761 TopoDS_Iterator edgeIt( wire );
1762 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1764 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1765 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1767 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1768 bool isSeam = ( *edgeInMap != edge );
1771 edgeInMap->Reverse();
1774 newWire.Add( edge );
1779 //--------------------------------------------------------------------------------
1781 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1783 //--------------------------------------------------------------------------------
1785 void FillInOrigMesh( SMESH_Mesh& origMesh,
1786 const TopoDS_Face& origFace )
1788 SMESH_MesherHelper helper( origMesh );
1789 helper.SetSubShape( origFace );
1790 helper.SetElementsOnShape( true );
1792 SMESH_MesherHelper tmpHelper( *this );
1793 tmpHelper.SetSubShape( _proxyFace );
1795 // iterate over tmp faces and copy them in origMesh
1796 const SMDS_MeshNode* nodes[27];
1797 const SMDS_MeshNode* nullNode = 0;
1799 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator();
1800 while ( fIt->more() )
1802 const SMDS_MeshElement* f = fIt->next();
1803 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1805 for ( ; nIt->more(); ++nbN )
1807 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1808 TN2NMap::iterator n2nIt =
1809 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1810 if ( !n2nIt->second ) {
1812 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1813 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], /*id=*/0, uv.X(), uv.Y() );
1815 nodes[ nbN ] = n2nIt->second;
1818 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1819 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1820 // nodes[3], nodes[4], nodes[5]); break;
1821 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1822 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1823 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1824 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1825 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1832 * \brief A structure holding an error description and a verbisity level
1834 struct message_cb_user_data
1836 std::string * _error;
1843 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1844 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1845 real *duu, real *duv, real *dvv, void *user_data);
1846 status_t message_cb(message_t *msg, void *user_data);
1847 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1849 //=============================================================================
1853 //=============================================================================
1855 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1857 // Fix problem with locales
1858 Kernel_Utils::Localizer aLocalizer;
1860 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1862 bool viscousLayersMade =
1863 ( aShape.ShapeType() == TopAbs_FACE &&
1864 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1866 if ( !viscousLayersMade )
1867 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1870 if ( _haveViscousLayers || viscousLayersMade )
1872 // Compute viscous layers
1874 TopTools_MapOfShape map;
1875 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1877 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1878 if ( !map.Add( F )) continue;
1879 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1881 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1883 // Compute MG-CADSurf mesh on viscous layers
1885 if ( viscousMesh->NbProxySubMeshes() > 0 )
1888 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1889 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1891 tmpMesh.FillInOrigMesh( aMesh, F );
1895 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1897 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1899 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1900 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1901 if ( fSM->IsMeshComputed() ) continue;
1903 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1911 //=============================================================================
1915 //=============================================================================
1917 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1918 const TopoDS_Shape& aShape,
1919 bool allowSubMeshClearing)
1921 /* create a distene context (generic object) */
1922 status_t status = STATUS_ERROR;
1924 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1925 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1926 theHelper = & helperWithShape;
1927 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1928 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1929 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1930 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis && _hypothesis->GetQuadraticMesh());
1931 helper.SetIsQuadratic( haveQuadraticSubMesh );
1932 helperWithShape.SetIsQuadratic( haveQuadraticSubMesh );
1934 bool quadraticSubMeshAndViscousLayer = false;
1935 bool needMerge = false;
1936 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1937 TSubMeshSet edgeSubmeshes;
1938 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1939 double existingPhySize = 0;
1941 TopTools_IndexedMapOfShape pmap, emap, fmap;
1943 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1944 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1946 BLSURFPlugin_EnforcedMesh1D enforcedMesh( helperWithShape, _hypothesis );
1948 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1950 feclearexcept( FE_ALL_EXCEPT );
1951 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1954 context_t *ctx = context_new();
1956 /* Set the message callback in the working context */
1957 message_cb_user_data mcud;
1958 mcud._error = & this->SMESH_Algo::_comment;
1959 mcud._progress = & this->SMESH_Algo::_progress;
1961 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1962 context_set_message_callback(ctx, message_cb, &mcud);
1964 /* set the interruption callback */
1965 _compute_canceled = false;
1966 context_set_interrupt_callback(ctx, interrupt_cb, this);
1968 /* create the CAD object we will work on. It is associated to the context ctx. */
1969 cad_t *c = cad_new(ctx);
1970 dcad_t *dcad = dcad_new(c);
1972 // To enable multithreading
1973 cad_set_thread_safety(c, 1);
1975 /* Now fill the CAD object with data from your CAD
1976 * environement. This is the most complex part of a successfull
1982 cadsurf_session_t *css = cadsurf_session_new(ctx);
1984 // an object that correctly deletes all cadsurf objects at destruction
1985 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1987 SetParameters(_hypothesis, css, aShape);
1989 // To remove as soon as quadratic mesh is allowed - BEGIN
1990 // GDD: Viscous layer is not allowed with quadratic mesh
1991 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1992 quadraticSubMeshAndViscousLayer = true;
1993 _haveViscousLayers = !haveQuadraticSubMesh;
1994 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1995 error(COMPERR_WARNING, _comment);
1997 // To remove as soon as quadratic mesh is allowed - END
1999 // needed to prevent the opencascade memory managmement from freeing things
2000 vector<Handle(Geom2d_Curve)> curves;
2001 vector<Handle(Geom_Surface)> surfaces;
2005 FaceId2PythonSmp.clear();
2006 EdgeId2PythonSmp.clear();
2007 VertexId2PythonSmp.clear();
2009 /****************************************************************************************
2011 *****************************************************************************************/
2013 string bad_end = "return";
2015 TopTools_IndexedMapOfShape _map;
2016 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
2017 int ienf = _map.Extent();
2019 assert(Py_IsInitialized());
2020 PyGILState_STATE gstate;
2022 string theSizeMapStr;
2024 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2026 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2028 //SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2029 //if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2031 // make INTERNAL face oriented FORWARD (issue 0020993)
2032 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2033 f.Orientation(TopAbs_FORWARD);
2035 iface = fmap.Add(f);
2037 surfaces.push_back(BRep_Tool::Surface(f));
2039 /* create an object representing the face for cadsurf */
2040 /* where face_id is an integer identifying the face.
2041 * surf_function is the function that defines the surface
2042 * (For this face, it will be called by cadsurf with your_face_object_ptr
2043 * as last parameter.
2045 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2047 /* by default a face has no tag (color).
2048 The following call sets it to the same value as the Geom module ID : */
2049 int faceTag = meshDS->ShapeToIndex(f);
2050 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2051 cad_face_set_tag(fce, faceTag);
2053 /* Set face orientation (optional if you want a well oriented output mesh)*/
2054 if(f.Orientation() != TopAbs_FORWARD)
2055 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2057 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2059 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2061 // -----------------
2063 // -----------------
2064 faceKey = FacesWithSizeMap.FindIndex(f);
2067 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2069 theSizeMapStr = FaceId2SizeMap[faceKey];
2070 // check if function ends with "return"
2071 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2073 // Expr To Python function, verification is performed at validation in GUI
2074 gstate = PyGILState_Ensure();
2075 PyObject * obj = NULL;
2076 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2078 PyObject * func = NULL;
2079 func = PyObject_GetAttrString(main_mod, "f");
2080 FaceId2PythonSmp[iface]=func;
2081 FaceId2SizeMap.erase(faceKey);
2082 PyGILState_Release(gstate);
2085 // Specific size map = Attractor
2086 std::map<int,std::vector<double> >::iterator attractor_iter =
2087 FaceId2AttractorCoords.find( faceKey );
2088 if (attractor_iter != FaceId2AttractorCoords.end() )
2090 double * xyzCoords = & attractor_iter->second[2];
2091 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2092 BRepClass_FaceClassifier scl(f,P,1e-7);
2093 TopAbs_State result = scl.State();
2094 if ( result == TopAbs_OUT )
2095 MESSAGE("Point is out of face: node is not created");
2096 if ( result == TopAbs_UNKNOWN )
2097 MESSAGE("Point position on face is unknown: node is not created");
2098 if ( result == TopAbs_ON )
2099 MESSAGE("Point is on border of face: node is not created");
2100 if ( result == TopAbs_IN )
2102 // Point is inside face and not on border
2103 double * uvCoords = & attractor_iter->second[0];
2105 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2106 cad_point_set_tag(point_p, ienf);
2108 FaceId2AttractorCoords.erase(faceKey);
2111 // -----------------
2113 // -----------------
2114 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2115 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2116 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2117 for ( size_t i = 0; i < attVec.size(); ++i )
2118 if ( !attVec[i]->IsMapBuilt() ) {
2119 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2120 attVec[i]->BuildMap();
2122 FaceIndex2ClassAttractor[iface].swap( attVec );
2123 FaceId2ClassAttractor.erase(clAttractor_iter);
2125 } // if (HasSizeMapOnFace && !use_precad)
2127 // ------------------
2128 // Enforced Vertices
2129 // ------------------
2130 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2131 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2132 if (evmIt != FaceId2EnforcedVertexCoords.end())
2134 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2135 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2136 for (; evlIt != evl.end(); ++evlIt)
2138 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords = { evlIt->at(2),
2141 bool isOnEdge = evlIt->at(5);
2144 enforcedMesh.AddVertexOnEdge( xyzCoords.data() );
2147 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2149 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2151 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2152 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2153 !enfCoordsIt->second.empty() )
2155 // to merge nodes of an INTERNAL vertex belonging to several faces
2156 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2157 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2158 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2160 tag = pmap.Add( v );
2161 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2162 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2163 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2164 // //if ( tag != pmap.Extent() )
2165 // needMerge = true;
2168 if ( tag == 0 ) tag = ienf;
2169 cad_point_set_tag(point_p, tag);
2171 FaceId2EnforcedVertexCoords.erase(faceKey);
2175 /****************************************************************************************
2177 now create the edges associated to this face
2178 *****************************************************************************************/
2180 std::vector< TopoDS_Edge > edges;
2181 for ( TopExp_Explorer edge_iter( f, TopAbs_EDGE ); edge_iter.More(); edge_iter.Next() )
2183 const TopoDS_Edge& e = TopoDS::Edge( edge_iter.Current() );
2184 if ( !enforcedMesh.GetSplitsOfEdge( e, edges, emap ))
2185 edges.push_back( e );
2187 for ( const TopoDS_Edge& e : edges )
2189 int ic = emap.Add(e);
2192 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2194 if ( HasSizeMapOnEdge )
2196 int edgeKey = EdgesWithSizeMap.FindIndex(e);
2197 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2199 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2200 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2202 // Expr To Python function, verification is performed at validation in GUI
2203 gstate = PyGILState_Ensure();
2204 PyObject * obj = NULL;
2205 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2207 PyObject * func = NULL;
2208 func = PyObject_GetAttrString(main_mod, "f");
2209 EdgeId2PythonSmp[ic]=func;
2210 EdgeId2SizeMap.erase(edgeKey);
2211 PyGILState_Release(gstate);
2214 /* data of nodes existing on the edge */
2215 StdMeshers_FaceSidePtr nodeData;
2216 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2217 if ( !sm->IsEmpty() )
2219 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2220 // /*complexFirst=*/false);
2221 // while ( subsmIt->more() )
2222 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2223 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2225 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2226 /*ignoreMedium=*/haveQuadraticSubMesh));
2227 if ( nodeData->MissVertexNode() )
2228 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2230 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2231 if ( !nodeDataVec.empty() )
2233 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2235 nodeData->Reverse();
2236 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2238 // tmin and tmax can change in case of viscous layer on an adjacent edge
2239 tmin = nodeDataVec.front().param;
2240 tmax = nodeDataVec.back().param;
2242 existingPhySize += nodeData->Length() / double( nodeDataVec.size() - 1 );
2246 cout << "---------------- Invalid nodeData" << endl;
2251 /* attach the edge to the current cadsurf face */
2252 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2254 /* by default an edge has no tag (color).
2255 The following call sets it to the same value as the edge_id : */
2256 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2257 bool isInHyperPatch = false;
2258 if ( e2ffmap.Contains( e )) // not there for a part of EDGE divided by enforced segments
2260 std::set< int > faceTags, faceIDs;
2261 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2262 for ( ; fIt.More(); fIt.Next() )
2264 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2265 if ( !faceIDs.insert( faceTag ).second )
2266 continue; // a face encounters twice for a seam edge
2267 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2268 if ( !faceTags.insert( hpTag ).second )
2270 isInHyperPatch = true;
2275 if ( !isInHyperPatch )
2276 cad_edge_set_tag(edg, ic);
2278 /* by default, an edge does not necessarily appear in the resulting mesh,
2279 unless the following property is set :
2281 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2283 /* by default an edge is a boundary edge */
2284 if (e.Orientation() == TopAbs_INTERNAL)
2285 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2287 // pass existing nodes of sub-meshes to MG-CADSurf
2290 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2291 const int nbNodes = (int) nodeDataVec.size();
2293 dcad_edge_discretization_t *dedge;
2294 dcad_get_edge_discretization(dcad, edg, &dedge);
2295 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2297 // cout << endl << " EDGE " << ic << endl;
2298 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2299 for ( int iN = 0; iN < nbNodes; ++iN )
2301 const UVPtStruct& nData = nodeDataVec[ iN ];
2302 double t = nData.param;
2303 real uv[2] = { nData.u, nData.v };
2304 SMESH_TNodeXYZ nXYZ = nData.node;
2305 // cout << "\tt = " << t
2306 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2307 // << "\t u = " << nData.param
2308 // << "\t ID = " << nData.node->GetID() << endl;
2309 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ.ChangeData() );
2311 TopoDS_Shape v = helper.GetSubShapeByNode( nodeDataVec[0].node, meshDS );
2312 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2313 dcad_edge_discretization_set_vertex_tag( dedge, 1, pmap.Add( v ));
2315 v = helper.GetSubShapeByNode( nodeDataVec.back().node, meshDS );
2316 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2317 dcad_edge_discretization_set_vertex_tag( dedge, nbNodes, pmap.Add( v ));
2319 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2322 /****************************************************************************************
2324 *****************************************************************************************/
2329 gp_Pnt2d uv0 = curves.back()->Value(tmin);
2330 gp_Pnt p0 = surfaces.back()->Value( uv0.X(), uv0.Y() );
2332 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next())
2334 const TopoDS_Vertex& v = TopoDS::Vertex(ex_edge.Current());
2335 ip[ npts ] = pmap.Add(v);
2336 d [ npts ] = p0.SquareDistance(BRep_Tool::Pnt(v));
2339 if (HasSizeMapOnVertex)
2341 int vertexKey = VerticesWithSizeMap.FindIndex(v);
2342 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end())
2344 theSizeMapStr = VertexId2SizeMap[vertexKey];
2345 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2347 // Expr To Python function, verification is performed at validation in GUI
2348 gstate = PyGILState_Ensure();
2349 PyObject * obj = NULL;
2350 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2352 PyObject * func = NULL;
2353 func = PyObject_GetAttrString(main_mod, "f");
2354 VertexId2PythonSmp[*ip]=func;
2355 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2356 PyGILState_Release(gstate);
2359 } // loop on vertices
2361 if (npts != 2) { // should not happen
2362 MESSAGE("An edge does not have 2 extremities.");
2367 std::swap( ip[0], ip[1] );
2369 // This defines the curves extremity connectivity
2370 cad_edge_set_extremities (edg, ip[0], ip[1]);
2371 /* set the tag (color) to the same value as the extremity id : */
2372 cad_edge_set_extremities_tag(edg, ip[0], ip[1]);
2376 // ==============================
2377 // Add segments of enforced mesh
2378 // ==============================
2380 if ( enforcedMesh.HasSegmentsOnFace( f ))
2382 BLSURFPlugin_EnforcedMesh1D::Segmemnt seg;
2383 while ( enforcedMesh.NextSegment( seg, pmap ))
2385 curves.push_back( seg._pcurve );
2387 cad_edge_t *edg = cad_edge_new( fce, seg._tag, seg._u[0], seg._u[1],
2388 curv_fun,seg._pcurve.get());
2389 cad_edge_set_tag( edg, seg._tag );
2391 cad_edge_set_property( edg, EDGE_PROPERTY_SOFT_REQUIRED );
2392 cad_edge_set_property( edg, EDGE_PROPERTY_INTERNAL );
2394 cad_edge_set_extremities ( edg, seg._vTag[0], seg._vTag[1]);
2395 cad_edge_set_extremities_tag( edg, seg._vTag[0], seg._vTag[1]);
2397 dcad_edge_discretization_t *dedge;
2398 dcad_get_edge_discretization( dcad, edg, &dedge );
2399 dcad_edge_discretization_set_vertex_count( dedge, 2 );
2401 dcad_edge_discretization_set_vertex_coordinates( dedge, 1,
2403 &seg._uv[0].ChangeCoord(1),
2404 seg._xyz[0].ChangeData() );
2405 dcad_edge_discretization_set_vertex_coordinates( dedge, 2,
2407 &seg._uv[1].ChangeCoord(1),
2408 seg._xyz[1].ChangeData() );
2410 dcad_edge_discretization_set_vertex_tag( dedge, 1, seg._vTag[0] );
2411 dcad_edge_discretization_set_vertex_tag( dedge, 2, seg._vTag[1] );
2413 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2420 ///////////////////////
2422 ///////////////////////
2424 if (! _preCadFacesIDsPeriodicityVector.empty())
2426 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2427 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2428 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2429 int* theFace1_ids_c = &theFace1_ids[0];
2430 int* theFace2_ids_c = &theFace2_ids[0];
2431 std::ostringstream o;
2432 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2433 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2434 o << theFace1_ids[j] << ", ";
2436 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2437 o << theFace2_ids[j] << ", ";
2439 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2440 // cout << o.str() << endl;
2441 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2443 // If no source points, call periodicity without transformation function
2444 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2445 status = cad_add_face_multiple_periodicity_with_transformation_function
2446 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2447 (meshgems_integer) theFace2_ids.size(), periodicity_transformation, NULL);
2448 if(status != STATUS_OK)
2449 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2453 // get the transformation vertices
2454 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2455 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2456 int nbSourceVertices = (int)_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2457 int nbTargetVertices = (int)_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2459 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points
2460 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2461 (meshgems_integer) theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2462 if(status != STATUS_OK)
2463 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2468 if (! _preCadEdgesIDsPeriodicityVector.empty())
2470 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2471 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2472 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2473 // Use the address of the first element of the vector to initialize the array
2474 int* theEdge1_ids_c = &theEdge1_ids[0];
2475 int* theEdge2_ids_c = &theEdge2_ids[0];
2477 std::ostringstream o;
2478 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2479 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2480 o << theEdge1_ids[j] << ", ";
2482 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2483 o << theEdge2_ids[j] << ", ";
2485 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2486 // cout << o.str() << endl;
2488 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2490 // If no source points, call periodicity without transformation function
2491 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2492 status = cad_add_edge_multiple_periodicity_with_transformation_function
2493 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2494 (meshgems_integer) theEdge2_ids.size(), periodicity_transformation, NULL);
2495 if(status != STATUS_OK)
2496 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2500 // get the transformation vertices
2501 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2502 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2503 int nbSourceVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2504 int nbTargetVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2506 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points
2507 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2508 (meshgems_integer) theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2509 if(status != STATUS_OK)
2510 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2515 if ( !_hypothesis && !edgeSubmeshes.empty() && existingPhySize != 0 )
2517 // prevent failure due to the default PhySize incompatible with size of existing 1D mesh
2518 // and with face size
2519 // double minFaceSize = existingPhySize / edgeSubmeshes.size();
2520 // for ( int iF = 1; iF <= fmap.Extent(); ++iF )
2523 // BRepBndLib::Add( fmap( iF ), box );
2524 // gp_XYZ delta = box.CornerMax().XYZ() - box.CornerMin().XYZ();
2525 // std::sort( delta.ChangeData(), delta.ChangeData() + 3 );
2526 // minFaceSize = Min( minFaceSize, delta.Coord(2) );
2528 // set_param(css, "global_physical_size", val_to_string( minFaceSize * 0.5 ).c_str());
2529 // set_param(css, "max_size", val_to_string( minFaceSize * 5 ).c_str());
2532 // Use the original dcad
2533 cadsurf_set_dcad(css, dcad);
2535 // Use the original cad
2536 cadsurf_set_cad(css, c);
2538 std::cout << std::endl;
2539 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2540 std::cout << std::endl;
2545 status = cadsurf_compute_mesh(css);
2548 catch ( std::exception& exc ) {
2549 _comment += exc.what();
2551 catch (Standard_Failure& ex) {
2552 _comment += ex.DynamicType()->Name();
2553 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2555 _comment += ex.GetMessageString();
2559 if ( _comment.empty() )
2560 _comment = "Exception in cadsurf_compute_mesh()";
2563 std::cout << std::endl;
2564 std::cout << "End of Surface Mesh generation" << std::endl;
2565 std::cout << std::endl;
2568 cadsurf_get_mesh(css, &msh);
2569 if ( !msh || STATUS_IS_ERROR( status ))
2571 /* release the mesh object */
2572 cadsurf_regain_mesh(css, msh);
2573 return error(_comment);
2576 // Clear mesh from already meshed edges if possible else
2577 // remember that merge is needed
2578 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2579 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2581 SMESHDS_SubMesh* smDS = *smIt;
2582 if ( !smDS ) continue;
2583 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2586 const SMDS_MeshNode* n = nIt->next();
2587 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2589 needMerge = true; // to correctly sew with viscous mesh
2590 // add existing medium nodes to helper
2591 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2593 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2594 while ( edgeIt->more() )
2595 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2600 if ( allowSubMeshClearing )
2602 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2603 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2604 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2605 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2614 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2616 GMFFileName = _hypothesis->GetGMFFile();
2617 if (GMFFileName != "")
2619 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2620 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2621 if (!asciiFound && !binaryFound)
2622 GMFFileName.append(".mesh");
2623 mesh_write_mesh(msh, GMFFileName.c_str());
2626 /* retrieve mesh data (see meshgems/mesh.h) */
2627 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2628 integer *evedg, *evtri, *evquad, *tags_buff, type;
2631 mesh_get_vertex_count (msh, &nv);
2632 mesh_get_edge_count (msh, &ne);
2633 mesh_get_triangle_count (msh, &nt);
2634 mesh_get_quadrangle_count(msh, &nq);
2636 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2637 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2638 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2639 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2641 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2642 std::vector<bool> tags(nv+1);
2644 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2646 /* enumerated vertices */
2647 for ( int iv = 1; iv <= nv; iv++ )
2649 mesh_get_vertex_coordinates(msh, iv, xyz);
2650 mesh_get_vertex_tag(msh, iv, &tag);
2651 // Issue 0020656. Use vertex coordinates
2653 bool isEnforcedNode = false;
2656 if ( tag <= pmap.Extent() )
2658 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2659 double tol = BRep_Tool::Tolerance( v );
2660 gp_Pnt p = BRep_Tool::Pnt( v );
2661 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 1e3*tol))
2662 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2664 tag = 0; // enforced or attracted vertex
2665 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2668 isEnforcedNode = ( nodes[iv] = enforcedMesh.GetNodeByTag( tag, pmap ));
2671 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2673 // Create group of enforced vertices if requested
2674 projVertex.assign( xyz, xyz + 3 );
2675 auto enfCoordsIt = EnfVertexCoords2EnfVertexList.find( projVertex );
2676 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2678 for ( BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex : enfCoordsIt->second )
2679 if (currentEnfVertex->grpName != "")
2681 SMDS_MeshGroup* groupDS = nullptr;
2682 for ( SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups(); grIt->more() && !groupDS; )
2684 SMESH_Group * group = grIt->next();
2685 SMESHDS_Group * grp = dynamic_cast< SMESHDS_Group* >( group->GetGroupDS() );
2687 grp->GetType() == SMDSAbs_Node &&
2688 currentEnfVertex->grpName == group->GetName() )
2689 groupDS = &grp->SMDSGroup();
2693 SMESH_Group * group = aMesh.AddGroup( SMDSAbs_Node, currentEnfVertex->grpName.c_str() );
2694 SMESHDS_Group * grp = static_cast< SMESHDS_Group* >( group->GetGroupDS() );
2695 groupDS = &grp->SMDSGroup();
2697 groupDS->Add( nodes[iv] );
2700 if ( isEnforcedNode )
2703 // internal points are tagged to zero
2704 if ( tag > 0 && tag <= pmap.Extent() )
2706 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2715 /* enumerate edges */
2716 for ( int it = 1; it <= ne; it++ )
2719 mesh_get_edge_vertices(msh, it, vtx);
2720 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2721 mesh_get_edge_tag(msh, it, &tag);
2723 // If PreCAD performed some cleaning operations (remove tiny edges,
2724 // merge edges ...) an output tag can indeed represent several original tags.
2725 // Get the initial tags corresponding to the output tag and redefine the tag as
2726 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2727 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2729 tag = tags_buff[ nb_tag-1 ];
2730 if ( tag < 1 || tag > emap.Extent() )
2732 if ( !enforcedMesh.IsSegmentTag( tag )) // it's a false INTERNAL EDGE of enforced mesh
2734 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2735 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")"
2740 if ( meshDS->ShapeToIndex( emap( tag )) == 0 )
2741 tag = enforcedMesh.GetTagOfSplitEdge( tag );
2744 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2745 tags[vtx[0]] = false;
2748 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2749 tags[vtx[1]] = false;
2751 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2753 if (tags[evedg[0]]) {
2754 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2755 tags[evedg[0]] = false;
2757 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2760 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2762 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2765 /* enumerate triangles */
2766 for(int it=1;it<=nt;it++) {
2768 mesh_get_triangle_vertices(msh, it, vtx);
2769 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2770 mesh_get_triangle_tag(msh, it, &tag);
2772 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2773 tags[vtx[0]] = false;
2776 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2777 tags[vtx[1]] = false;
2780 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2781 tags[vtx[2]] = false;
2783 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2784 // QUADRATIC TRIANGLE
2785 if (tags[evtri[0]]) {
2786 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2787 tags[evtri[0]] = false;
2789 if (tags[evtri[1]]) {
2790 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2791 tags[evtri[1]] = false;
2793 if (tags[evtri[2]]) {
2794 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2795 tags[evtri[2]] = false;
2797 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2798 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2801 if ( helper.GetIsQuadratic() )
2802 helper.SetSubShape( tag );
2803 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2805 meshDS->SetMeshElementOnShape(tri, tag);
2808 /* enumerate quadrangles */
2809 for(int it=1;it<=nq;it++) {
2810 SMDS_MeshFace* quad;
2811 mesh_get_quadrangle_vertices(msh, it, vtx);
2812 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2813 mesh_get_quadrangle_tag(msh, it, &tag);
2815 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2816 tags[vtx[0]] = false;
2819 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2820 tags[vtx[1]] = false;
2823 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2824 tags[vtx[2]] = false;
2827 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2828 tags[vtx[3]] = false;
2830 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2831 // QUADRATIC QUADRANGLE
2832 if (tags[evquad[0]]) {
2833 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2834 tags[evquad[0]] = false;
2836 if (tags[evquad[1]]) {
2837 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2838 tags[evquad[1]] = false;
2840 if (tags[evquad[2]]) {
2841 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2842 tags[evquad[2]] = false;
2844 if (tags[evquad[3]]) {
2845 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2846 tags[evquad[3]] = false;
2848 if (tags[evquad[4]]) {
2849 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2850 tags[evquad[4]] = false;
2852 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2853 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2857 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2859 meshDS->SetMeshElementOnShape(quad, tag);
2862 /* release the mesh object, the rest is released by cleaner */
2863 cadsurf_regain_mesh(css, msh);
2866 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2867 for(int iv=1;iv<=nv;iv++)
2868 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2869 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2872 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2874 SMESH_MeshEditor editor( &aMesh );
2875 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2876 TIDSortedElemSet segementsOnEdge;
2877 TSubMeshSet::iterator smIt;
2878 SMESHDS_SubMesh* smDS;
2880 // merge nodes on EDGE's with ones computed by MG-CADSurf
2881 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2883 if (! (smDS = *smIt) ) continue;
2884 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2886 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2887 while ( segIt->more() )
2888 segementsOnEdge.insert( segIt->next() );
2891 editor.MergeNodes( nodeGroupsToMerge );
2894 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2895 editor.FindEqualElements( segementsOnEdge, equalSegments );
2896 editor.MergeElements( equalSegments );
2898 // remove excess segments created on the boundary of viscous layers
2899 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2900 for ( int i = 1; i <= emap.Extent(); ++i )
2902 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2904 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2905 while ( segIt->more() )
2907 const SMDS_MeshElement* seg = segIt->next();
2908 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2909 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2910 meshDS->RemoveFreeElement( seg, smDS );
2917 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2918 for (int i = 1; i <= emap.Extent(); i++)
2919 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2920 sm->SetIsAlwaysComputed( true );
2921 for (int i = 1; i <= pmap.Extent(); i++)
2922 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2923 if ( !sm->IsMeshComputed() )
2924 sm->SetIsAlwaysComputed( true );
2926 // Set error to FACE's w/o elements
2927 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2928 if ( _comment.empty() && status == STATUS_OK )
2930 err = COMPERR_WARNING;
2931 _comment = "No mesh elements assigned to a face";
2933 bool badFaceFound = false;
2934 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2936 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2937 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2938 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2940 int faceTag = sm->GetId();
2941 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2943 // triangles are assigned to the first face of hyper-patch
2944 sm->SetIsAlwaysComputed( true );
2948 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2949 badFaceFound = true;
2953 if ( err == COMPERR_WARNING )
2957 if ( status != STATUS_OK && !badFaceFound ) {
2961 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2963 if ( oldFEFlags > 0 )
2964 feenableexcept( oldFEFlags );
2965 feclearexcept( FE_ALL_EXCEPT );
2969 std::cout << "FacesWithSizeMap" << std::endl;
2970 FacesWithSizeMap.Statistics(std::cout);
2971 std::cout << "EdgesWithSizeMap" << std::endl;
2972 EdgesWithSizeMap.Statistics(std::cout);
2973 std::cout << "VerticesWithSizeMap" << std::endl;
2974 VerticesWithSizeMap.Statistics(std::cout);
2975 std::cout << "FacesWithEnforcedVertices" << std::endl;
2976 FacesWithEnforcedVertices.Statistics(std::cout);
2979 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2982 //================================================================================
2984 * \brief Compute a mesh basing on discrete CAD description
2986 //================================================================================
2988 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2990 if ( aMesh.NbFaces() == 0 )
2991 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2993 context_t *ctx = context_new();
2994 if (!ctx) return error("Pb in context_new()");
2996 if ( aMesh.NbNodes() > std::numeric_limits< meshgems_integer >::max() ||
2997 aMesh.NbFaces() > std::numeric_limits< meshgems_integer >::max() )
2998 return error("Too large input mesh");
3000 BLSURF_Cleaner cleaner( ctx );
3002 message_cb_user_data mcud;
3003 mcud._error = & this->SMESH_Algo::_comment;
3004 mcud._progress = & this->SMESH_Algo::_progress;
3006 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
3007 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
3008 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
3010 cadsurf_session_t * css = cadsurf_session_new(ctx);
3011 if(!css) return error( "Pb. in cadsurf_session_new() " );
3015 // Fill an input mesh
3017 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
3018 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
3020 // mark nodes used by 2D elements
3021 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
3022 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
3023 while ( nodeIt->more() )
3025 const SMDS_MeshNode* n = nodeIt->next();
3026 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
3028 meshgems_mesh_set_vertex_count( msh, (meshgems_integer) meshDS->NbNodes() );
3030 // set node coordinates
3031 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
3033 meshDS->CompactMesh();
3036 nodeIt = meshDS->nodesIterator();
3038 for ( i = 1; nodeIt->more(); ++i )
3040 nXYZ.Set( nodeIt->next() );
3041 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ.ChangeData() );
3044 // set nodes of faces
3045 meshgems_mesh_set_triangle_count ( msh, (meshgems_integer) meshDS->GetMeshInfo().NbTriangles() );
3046 meshgems_mesh_set_quadrangle_count( msh, (meshgems_integer) meshDS->GetMeshInfo().NbQuadrangles() );
3047 meshgems_integer nodeIDs[4];
3048 meshgems_integer iT = 1, iQ = 1;
3049 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
3050 while ( faceIt->more() )
3052 const SMDS_MeshElement* face = faceIt->next();
3053 meshgems_integer nbNodes = face->NbCornerNodes();
3054 if ( nbNodes > 4 || face->IsPoly() ) continue;
3056 for ( i = 0; i < nbNodes; ++i )
3057 nodeIDs[i] = (meshgems_integer) face->GetNode( i )->GetID();
3059 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
3061 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
3064 ret = cadsurf_set_mesh(css, msh);
3065 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
3070 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
3072 ret = cadsurf_compute_mesh(css);
3073 if ( ret != STATUS_OK ) return false;
3076 cadsurf_get_mesh(css, &omsh);
3077 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
3080 // Update SALOME mesh
3082 // remove quadrangles and triangles
3083 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
3085 const SMDS_MeshElement* face = faceIt->next();
3086 if ( !face->IsPoly() )
3087 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
3089 // remove edges that bound the just removed faces
3090 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
3092 const SMDS_MeshElement* edge = edgeIt->next();
3093 const SMDS_MeshNode* n0 = edge->GetNode(0);
3094 const SMDS_MeshNode* n1 = edge->GetNode(1);
3095 if ( n0->isMarked() &&
3097 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
3098 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
3099 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
3101 // remove nodes that just became free
3102 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3104 const SMDS_MeshNode* n = nodeIt->next();
3105 if ( n->isMarked() && n->NbInverseElements() == 0 )
3106 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3110 meshgems_integer nbvtx = 0, nodeID;
3111 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3112 meshgems_real xyz[3];
3113 for ( i = 1; i <= nbvtx; ++i )
3115 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3116 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3117 nodeID = (meshgems_integer) n->GetID();
3118 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3122 meshgems_integer nbtri = 0;
3123 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3124 const SMDS_MeshNode* nodes[4];
3125 for ( i = 1; i <= nbtri; ++i )
3127 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3128 for ( int j = 0; j < 3; ++j )
3130 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3131 nodes[j] = meshDS->FindNode( nodeID );
3133 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3137 meshgems_integer nbquad = 0;
3138 meshgems_mesh_get_quadrangle_count( omsh, &nbquad );
3139 for ( i = 1; i <= nbquad; ++i )
3141 meshgems_mesh_get_quadrangle_vertices( omsh, i, nodeIDs );
3142 for ( int j = 0; j < 4; ++j )
3144 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3145 nodes[j] = meshDS->FindNode( nodeID );
3147 meshDS->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
3152 std::string GMFFileName = _hypothesis->GetGMFFile();
3153 if ( !GMFFileName.empty() )
3155 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.size()-5) != std::string::npos);
3156 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.size()-6) != std::string::npos);
3157 if ( !asciiFound && !binaryFound )
3158 GMFFileName.append(".mesh");
3159 mesh_write_mesh(msh, GMFFileName.c_str());
3163 cadsurf_regain_mesh(css, omsh);
3165 // as we don't assign the new triangles to a shape (the pseudo-shape),
3166 // we mark the shape as always computed to avoid the error messages
3167 // that no elements assigned to the shape
3168 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3173 //================================================================================
3175 * \brief Terminates computation
3177 //================================================================================
3179 void BLSURFPlugin_BLSURF::CancelCompute()
3181 _compute_canceled = true;
3184 //=============================================================================
3188 //=============================================================================
3190 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3191 const SMDS_MeshNode* node,
3192 const TopoDS_Shape& ed)
3194 const TopoDS_Edge edge = TopoDS::Edge(ed);
3196 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3198 Standard_Real p0 = 0.0;
3199 Standard_Real p1 = 1.0;
3200 TopLoc_Location loc;
3201 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3202 if ( curve.IsNull() )
3204 // issue 22499. Node at a sphere apex
3205 meshDS->SetNodeOnEdge(node, edge, p0);
3209 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3210 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3213 if ( proj.NbPoints() > 0 )
3215 pa = (double)proj.LowerDistanceParameter();
3216 // Issue 0020656. Move node if it is too far from edge
3217 gp_Pnt curve_pnt = curve->Value( pa );
3218 double dist2 = pnt.SquareDistance( curve_pnt );
3219 double tol = BRep_Tool::Tolerance( edge );
3220 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3222 curve_pnt.Transform( loc );
3223 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3227 meshDS->SetNodeOnEdge(node, edge, pa);
3230 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3232 * NOTE : if when your CAD systems evaluates second
3233 * order derivatives it also computes first order derivatives and
3234 * function evaluation, you can optimize this example by making only
3235 * one CAD call and filling the necessary uv, dt, dtt arrays.
3237 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3239 /* t is given. It contains the 1D parametric coordintaes
3240 of the point MG-CADSurf is querying on the curve */
3242 /* user_data identifies the edge MG-CADSurf is querying */
3243 const Geom2d_Curve* pargeo = (const Geom2d_Curve*) user_data;
3246 /* MG-CADSurf is querying the function evaluation */
3247 gp_Pnt2d P = pargeo->Value(t);
3248 uv[0]=P.X(); uv[1]=P.Y();
3252 /* query for the first order derivatives */
3253 gp_Vec2d V1 = pargeo->DN(t,1);
3254 dt[0]=V1.X(); dt[1]=V1.Y();
3258 /* query for the second order derivatives */
3259 gp_Vec2d V2 = pargeo->DN(t,2);
3260 dtt[0]=V2.X(); dtt[1]=V2.Y();
3266 /* Surface definition function.
3267 * See cad_surf_t in file meshgems/cad.h for more information.
3268 * NOTE : if when your CAD systems evaluates second order derivatives it also
3269 * computes first order derivatives and function evaluation, you can optimize
3270 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3273 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3274 real *duu, real *duv, real *dvv, void *user_data)
3276 /* uv[2] is given. It contains the u,v coordinates of the point
3277 * PreCAD/MG-CADSurf is querying on the surface */
3279 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3280 * cad_face_new later in this example)*/
3281 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3285 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3286 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3293 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3294 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3295 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3298 if(duu && duv && dvv){
3302 gp_Vec D2U,D2V,D2UV;
3304 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3305 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3306 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3307 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3314 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3316 TId2ClsAttractorVec::iterator f2attVec;
3317 if (FaceId2PythonSmp.count(face_id) != 0) {
3318 assert(Py_IsInitialized());
3319 PyGILState_STATE gstate;
3320 gstate = PyGILState_Ensure();
3321 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3323 if ( pyresult != NULL) {
3324 result = PyFloat_AsDouble(pyresult);
3325 Py_DECREF(pyresult);
3330 string err_description="";
3331 PyObject* new_stderr = newPyStdOut(err_description);
3332 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3333 Py_INCREF(old_stderr);
3334 PySys_SetObject((char*)"stderr", new_stderr);
3336 PySys_SetObject((char*)"stderr", old_stderr);
3337 Py_DECREF(new_stderr);
3338 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3339 result = *((real*)user_data);
3342 PyGILState_Release(gstate);
3344 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3348 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3349 for ( size_t i = 0; i < attVec.size(); ++i )
3351 //result += attVec[i]->GetSize(uv[0],uv[1]);
3352 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3354 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3358 *size = *((real*)user_data);
3360 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3364 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3366 if (EdgeId2PythonSmp.count(edge_id) != 0){
3367 assert(Py_IsInitialized());
3368 PyGILState_STATE gstate;
3369 gstate = PyGILState_Ensure();
3370 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3372 if ( pyresult != NULL) {
3373 result = PyFloat_AsDouble(pyresult);
3374 Py_DECREF(pyresult);
3379 string err_description="";
3380 PyObject* new_stderr = newPyStdOut(err_description);
3381 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3382 Py_INCREF(old_stderr);
3383 PySys_SetObject((char*)"stderr", new_stderr);
3385 PySys_SetObject((char*)"stderr", old_stderr);
3386 Py_DECREF(new_stderr);
3387 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3388 result = *((real*)user_data);
3391 PyGILState_Release(gstate);
3394 *size = *((real*)user_data);
3399 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3401 if (VertexId2PythonSmp.count(point_id) != 0){
3402 assert(Py_IsInitialized());
3403 PyGILState_STATE gstate;
3404 gstate = PyGILState_Ensure();
3405 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3407 if ( pyresult != NULL) {
3408 result = PyFloat_AsDouble(pyresult);
3409 Py_DECREF(pyresult);
3414 string err_description="";
3415 PyObject* new_stderr = newPyStdOut(err_description);
3416 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3417 Py_INCREF(old_stderr);
3418 PySys_SetObject((char*)"stderr", new_stderr);
3420 PySys_SetObject((char*)"stderr", old_stderr);
3421 Py_DECREF(new_stderr);
3422 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3423 result = *((real*)user_data);
3426 PyGILState_Release(gstate);
3429 *size = *((real*)user_data);
3435 * The following function will be called for PreCAD/MG-CADSurf message
3436 * printing. See context_set_message_callback (later in this
3437 * template) for how to set user_data.
3439 status_t message_cb(message_t *msg, void *user_data)
3441 integer errnumber = 0;
3443 message_get_number(msg, &errnumber);
3444 message_get_description(msg, &desc);
3446 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3447 // Get all the error message and some warning messages related to license and periodicity
3448 if ( errnumber < 0 ||
3449 err.find("license" ) != string::npos ||
3450 err.find("periodicity") != string::npos )
3452 // remove ^A from the tail
3453 size_t len = strlen( desc );
3454 while (len > 0 && desc[len-1] != '\n')
3456 mcud->_error->append( desc, len );
3459 if ( errnumber == 3009001 )
3460 * mcud->_progress = atof( desc + 11 ) / 100.;
3461 if ( mcud->_verbosity > 0 )
3462 std::cout << desc << std::endl;
3467 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3468 * function regularily. See the file meshgems/interrupt.h
3470 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3472 integer you_want_to_continue = 1;
3473 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3474 you_want_to_continue = !tmp->computeCanceled();
3476 if(you_want_to_continue)
3478 *interrupt_status = INTERRUPT_CONTINUE;
3481 else /* you want to stop MG-CADSurf */
3483 *interrupt_status = INTERRUPT_STOP;
3484 return STATUS_ERROR;
3488 //=============================================================================
3492 //=============================================================================
3493 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3494 const TopoDS_Shape& aShape,
3495 MapShapeNbElems& aResMap)
3497 double diagonal = aMesh.GetShapeDiagonalSize();
3498 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3499 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3500 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3501 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3502 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3503 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3504 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3506 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3507 _phySizeRel = _hypothesis->IsPhySizeRel();
3508 if ( _hypothesis->GetPhySize() > 0)
3509 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3510 //_geometricMesh = (int) hyp->GetGeometricMesh();
3511 if (_hypothesis->GetAngleMesh() > 0)
3512 _angleMesh = _hypothesis->GetAngleMesh();
3513 _elementType = _hypothesis->GetElementType();
3515 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3516 // GetDefaultPhySize() sometimes leads to computation failure
3517 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3520 bool IsQuadratic = _quadraticMesh;
3525 TopTools_DataMapOfShapeInteger EdgesMap;
3526 double fullLen = 0.0;
3527 double fullNbSeg = 0;
3528 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3529 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3530 if( EdgesMap.IsBound(E) )
3532 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3533 double aLen = SMESH_Algo::EdgeLength(E);
3536 if(_physicalMesh==1) {
3537 nb1d = (int)( aLen/_phySize + 1 );
3542 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3543 double fullAng = 0.0;
3544 double dp = (l-f)/200;
3549 for(int j=2; j<=200; j++) {
3552 fullAng += fabs(V1.Angle(V2));
3556 nb1d = (int)( fullAng/_angleMesh + 1 );
3559 std::vector<smIdType> aVec(SMDSEntity_Last);
3560 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3561 if( IsQuadratic > 0 ) {
3562 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3563 aVec[SMDSEntity_Quad_Edge] = nb1d;
3566 aVec[SMDSEntity_Node] = nb1d - 1;
3567 aVec[SMDSEntity_Edge] = nb1d;
3569 aResMap.insert(std::make_pair(sm,aVec));
3570 EdgesMap.Bind(E,nb1d);
3572 double ELen = fullLen/fullNbSeg;
3576 // try to evaluate as in MEFISTO
3577 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3578 TopoDS_Face F = TopoDS::Face( exp.Current() );
3579 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3581 BRepGProp::SurfaceProperties(F,G);
3582 double anArea = G.Mass();
3584 std::vector<int> nb1dVec;
3585 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3586 int nbSeg = EdgesMap.Find(exp1.Current());
3588 nb1dVec.push_back( nbSeg );
3591 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3592 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3593 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3595 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3597 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3599 nbNodes = (n1 + 1) * (n2 + 1);
3604 nbTria = nbQuad = nbTria / 3 + 1;
3607 std::vector<smIdType> aVec(SMDSEntity_Last,0);
3609 int nb1d_in = (nbTria*3 - nb1d) / 2;
3610 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3611 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3612 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3615 aVec[SMDSEntity_Node] = nbNodes;
3616 aVec[SMDSEntity_Triangle] = nbTria;
3617 aVec[SMDSEntity_Quadrangle] = nbQuad;
3619 aResMap.insert(std::make_pair(sm,aVec));
3626 BRepGProp::VolumeProperties(aShape,G);
3627 double aVolume = G.Mass();
3628 double tetrVol = 0.1179*ELen*ELen*ELen;
3629 int nbVols = int(aVolume/tetrVol);
3630 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3631 std::vector<smIdType> aVec(SMDSEntity_Last);
3632 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3634 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3635 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3638 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3639 aVec[SMDSEntity_Tetra] = nbVols;
3641 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3642 aResMap.insert(std::make_pair(sm,aVec));
3647 //================================================================================
3649 * \brief Find TopoDS_Shape for each hyper-patch study entry in a hypothesis
3651 //================================================================================
3653 void BLSURFPlugin_BLSURF::FillEntryToShape( const BLSURFPlugin_Hypothesis* hyp,
3654 std::map< std::string, TopoDS_Shape > & entryToShape )
3656 SMESH_Gen_i* smeshGen = SMESH_Gen_i::GetSMESHGen();
3657 for ( const ::BLSURFPlugin_Hypothesis::THyperPatchEntries& entries : hyp->GetHyperPatchEntries() )
3658 for ( const std::string& entry : entries )
3660 GEOM::GEOM_Object_var go = smeshGen->GetGeomObjectByEntry( entry );
3661 TopoDS_Shape shape = smeshGen->GeomObjectToShape( go );
3662 if ( !shape.IsNull() )
3663 entryToShape.insert({ entry, shape });