1 // Copyright (C) 2007-2021 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 // File : BLSURFPlugin_BLSURF.cxx
22 // Authors : Francis KLOSS (OCC) & Patrick LAUG (INRIA) & Lioka RAZAFINDRAZAKA (CEA)
23 // & Aurelien ALLEAUME (DISTENE)
24 // Size maps developement: Nicolas GEIMER (OCC) & Gilles DAVID (EURIWARE)
27 #include "BLSURFPlugin_BLSURF.hxx"
29 #include "BLSURFPlugin_Attractor.hxx"
30 #include "BLSURFPlugin_EnforcedMesh1D.hxx"
31 #include "BLSURFPlugin_Hypothesis.hxx"
34 #include <meshgems/meshgems.h>
35 #include <meshgems/cadsurf.h>
38 #include <SMDS_EdgePosition.hxx>
39 #include <SMESHDS_Group.hxx>
40 #include <SMESH_File.hxx>
41 #include <SMESH_Gen.hxx>
42 #include <SMESH_Group.hxx>
43 #include <SMESH_MGLicenseKeyGen.hxx>
44 #include <SMESH_Mesh.hxx>
45 #include <SMESH_MeshEditor.hxx>
46 #include <SMESH_MesherHelper.hxx>
47 #include <StdMeshers_FaceSide.hxx>
48 #include <StdMeshers_ProjectionUtils.hxx>
49 #include <StdMeshers_ViscousLayers2D.hxx>
51 #include <Basics_Utils.hxx>
52 #include <utilities.h>
60 #include <structmember.h> // python
62 // OPENCASCADE includes
63 #include <BRepBndLib.hxx>
64 #include <BRepBuilderAPI_MakeFace.hxx>
65 #include <BRepBuilderAPI_MakePolygon.hxx>
66 #include <BRepBuilderAPI_MakeWire.hxx>
67 #include <BRepGProp.hxx>
68 #include <BRepTools.hxx>
69 #include <BRep_Builder.hxx>
70 #include <BRep_Tool.hxx>
71 #include <GProp_GProps.hxx>
72 #include <Geom2d_Curve.hxx>
73 #include <Geom2d_Line.hxx>
74 #include <GeomAPI_ProjectPointOnCurve.hxx>
75 #include <GeomAPI_ProjectPointOnSurf.hxx>
76 #include <Geom_Curve.hxx>
77 #include <Geom_Surface.hxx>
78 #include <NCollection_DataMap.hxx>
79 #include <NCollection_Map.hxx>
80 #include <Standard_ErrorHandler.hxx>
82 #include <TopExp_Explorer.hxx>
83 #include <TopTools_DataMapOfShapeInteger.hxx>
84 #include <TopTools_IndexedMapOfShape.hxx>
85 #include <TopTools_MapOfShape.hxx>
87 #include <TopoDS_Compound.hxx>
88 #include <TopoDS_Edge.hxx>
89 #include <TopoDS_Face.hxx>
90 #include <TopoDS_Shape.hxx>
91 #include <TopoDS_Vertex.hxx>
92 #include <TopoDS_Wire.hxx>
94 #include <gp_Pnt2d.hxx>
101 #include <functional>
105 /* ==================================
106 * =========== PYTHON ==============
107 * ==================================*/
118 PyStdOut_dealloc(PyStdOut *self)
124 PyStdOut_write(PyStdOut *self, PyObject *args)
128 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
131 *(self->out)=*(self->out)+c;
137 static PyMethodDef PyStdOut_methods[] = {
138 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
139 PyDoc_STR("write(string) -> None")},
140 {0, 0, 0, 0} /* sentinel */
143 static PyMemberDef PyStdOut_memberlist[] = {
144 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
145 (char*)"flag indicating that a space needs to be printed; used by print"},
146 {0, 0, 0, 0, 0} /* Sentinel */
149 static PyTypeObject PyStdOut_Type = {
150 /* The ob_type field must be initialized in the module init function
151 * to be portable to Windows without using C++. */
152 PyVarObject_HEAD_INIT(NULL, 0)
154 sizeof(PyStdOut), /*tp_basicsize*/
157 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
164 0, /*tp_as_sequence*/
169 PyObject_GenericGetAttr, /*tp_getattro*/
170 /* softspace is writable: we must supply tp_setattro */
171 PyObject_GenericSetAttr, /* tp_setattro */
173 Py_TPFLAGS_DEFAULT, /*tp_flags*/
177 0, /*tp_richcompare*/
178 0, /*tp_weaklistoffset*/
181 PyStdOut_methods, /*tp_methods*/
182 PyStdOut_memberlist, /*tp_members*/
200 0, /*tp_version_tag*/
204 PyObject * newPyStdOut( std::string& out )
206 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
211 return (PyObject*)self;
216 ////////////////////////END PYTHON///////////////////////////
218 //////////////////MY MAPS////////////////////////////////////////
220 TopTools_IndexedMapOfShape FacesWithSizeMap;
221 std::map<int,string> FaceId2SizeMap;
222 TopTools_IndexedMapOfShape EdgesWithSizeMap;
223 std::map<int,string> EdgeId2SizeMap;
224 TopTools_IndexedMapOfShape VerticesWithSizeMap;
225 std::map<int,string> VertexId2SizeMap;
227 std::map<int,PyObject*> FaceId2PythonSmp;
228 std::map<int,PyObject*> EdgeId2PythonSmp;
229 std::map<int,PyObject*> VertexId2PythonSmp;
231 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
232 TId2ClsAttractorVec FaceId2ClassAttractor;
233 TId2ClsAttractorVec FaceIndex2ClassAttractor;
234 std::map<int,std::vector<double> > FaceId2AttractorCoords;
237 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
238 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
239 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
240 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
241 SMESH_MesherHelper* theHelper;
243 bool HasSizeMapOnFace=false;
244 bool HasSizeMapOnEdge=false;
245 bool HasSizeMapOnVertex=false;
246 //bool HasAttractorOnFace=false;
248 //=============================================================================
252 //=============================================================================
254 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
257 : SMESH_2D_Algo(hypId, gen)
259 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
260 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
261 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
263 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
264 _requireDiscreteBoundary = false;
265 _onlyUnaryInput = false;
267 _supportSubmeshes = true;
268 _requireShape = theHasGEOM;
270 /* Initialize the Python interpreter */
271 assert(Py_IsInitialized());
272 PyGILState_STATE gstate;
273 gstate = PyGILState_Ensure();
276 main_mod = PyImport_AddModule("__main__");
279 main_dict = PyModule_GetDict(main_mod);
281 PyRun_SimpleString("from math import *");
282 PyGILState_Release(gstate);
284 FacesWithSizeMap.Clear();
285 FaceId2SizeMap.clear();
286 EdgesWithSizeMap.Clear();
287 EdgeId2SizeMap.clear();
288 VerticesWithSizeMap.Clear();
289 VertexId2SizeMap.clear();
290 FaceId2PythonSmp.clear();
291 EdgeId2PythonSmp.clear();
292 VertexId2PythonSmp.clear();
293 FaceId2AttractorCoords.clear();
294 FaceId2ClassAttractor.clear();
295 FaceIndex2ClassAttractor.clear();
296 FacesWithEnforcedVertices.Clear();
297 FaceId2EnforcedVertexCoords.clear();
298 EnfVertexCoords2ProjVertex.clear();
299 EnfVertexCoords2EnfVertexList.clear();
301 _compute_canceled = false;
304 //=============================================================================
308 //=============================================================================
310 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
315 //=============================================================================
319 //=============================================================================
321 bool BLSURFPlugin_BLSURF::CheckHypothesis
323 const TopoDS_Shape& aShape,
324 SMESH_Hypothesis::Hypothesis_Status& aStatus)
327 _haveViscousLayers = false;
329 list<const SMESHDS_Hypothesis*>::const_iterator itl;
330 const SMESHDS_Hypothesis* theHyp;
332 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
333 /*ignoreAuxiliary=*/false);
334 aStatus = SMESH_Hypothesis::HYP_OK;
337 return true; // can work with no hypothesis
340 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
343 string hypName = theHyp->GetName();
344 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
345 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
347 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
349 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
350 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
351 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
352 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
354 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
356 if ( !_haveViscousLayers )
358 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
359 _haveViscousLayers = true;
364 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
367 return aStatus == SMESH_Hypothesis::HYP_OK;
370 //=============================================================================
372 * Pass parameters to MG-CADSurf
374 //=============================================================================
376 inline std::string val_to_string(double d)
378 std::ostringstream o;
383 inline std::string val_to_string_rel(double d)
385 std::ostringstream o;
391 inline std::string val_to_string(int i)
393 std::ostringstream o;
398 inline std::string val_to_string_rel(int i)
400 std::ostringstream o;
406 double _smp_phy_size;
407 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
408 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
409 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
411 /////////////////////////////////////////////////////////
413 BLSURFPlugin_BLSURF::projectionPoint
414 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS_Face& theFace,
415 const gp_Pnt& thePoint,
416 const bool theAllowStateON)
418 projectionPoint myPoint;
420 if ( theFace.IsNull() )
422 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
423 TopTools_MapOfShape checkedFaces;
424 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
426 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
428 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
429 if ( !checkedFaces.Add( face )) continue;
431 // check distance to face
432 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
433 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
434 double distance = surface->Gap();
435 if ( distance > Precision::Confusion() )
437 // the face is far, store for future analysis
438 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
442 // check location on the face
443 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
444 if (( FC.State() == TopAbs_IN ) ||
445 ( FC.State() == TopAbs_ON && theAllowStateON ))
447 if ( !foundFace.IsNull() && !theAllowStateON )
448 return myPoint; // thePoint seems to be TopAbs_ON
450 myPoint.uv = uv.XY();
451 myPoint.xyz = surface->Value( uv ).XYZ();
452 myPoint.state = FC.State();
455 if ( FC.State() == TopAbs_ON && !theAllowStateON )
459 if ( foundFace.IsNull() )
461 // find the closest face
462 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
463 for ( ; d2f != dist2face.end(); ++d2f )
465 const TopoDS_Face& face = d2f->second.first;
466 const gp_Pnt2d & uv = d2f->second.second;
467 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
468 if (( FC.State() == TopAbs_IN ) ||
469 ( FC.State() == TopAbs_ON && theAllowStateON ))
472 myPoint.uv = uv.XY();
473 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
474 myPoint.state = FC.State();
475 if ( FC.State() == TopAbs_IN )
480 // set the resultShape
481 // if ( foundFace.IsNull() )
482 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
483 // "getProjectionPoint: can't find a face by a vertex");
484 theFace = TopoDS::Face( foundFace );
486 else // !theFace.IsNull()
488 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
489 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
490 if ( !projector.IsDone() || projector.NbPoints()==0 )
491 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
492 "getProjectionPoint: can't project a vertex to a face");
495 projector.LowerDistanceParameters(u,v);
496 myPoint.uv = gp_XY(u,v);
497 myPoint.xyz = projector.NearestPoint().XYZ();
499 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
500 myPoint.state = FC.State();
502 if (( FC.State() != TopAbs_IN ) &&
503 ( FC.State() != TopAbs_ON || !theAllowStateON ))
510 /////////////////////////////////////////////////////////
511 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
513 GEOM::GEOM_Object_var aGeomObj = SMESH_Gen_i::GetSMESHGen()->GetGeomObjectByEntry( entry );
514 TopoDS_Shape S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj );
518 void _createEnforcedVertexOnFace(TopoDS_Face faceShape,
520 BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
522 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
524 // Find the face and get the (u,v) values of the enforced vertex on the face
525 BLSURFPlugin_BLSURF::projectionPoint projPnt =
526 BLSURFPlugin_BLSURF::getProjectionPoint( faceShape, aPnt, /*allowStateON=*/true );
527 if ( faceShape.IsNull() )
530 enf_coords.push_back(aPnt.X());
531 enf_coords.push_back(aPnt.Y());
532 enf_coords.push_back(aPnt.Z());
534 coords.push_back(projPnt.uv.X());
535 coords.push_back(projPnt.uv.Y());
536 coords.push_back(projPnt.xyz.X());
537 coords.push_back(projPnt.xyz.Y());
538 coords.push_back(projPnt.xyz.Z());
539 coords.push_back(projPnt.state == TopAbs_ON);
541 s_coords.push_back(projPnt.xyz.X());
542 s_coords.push_back(projPnt.xyz.Y());
543 s_coords.push_back(projPnt.xyz.Z());
545 // Save pair projected vertex / enf vertex
546 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
547 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
548 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
549 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
550 if (ret.second == false) {
552 (*it)->grpName = enfVertex->grpName;
555 int key = FacesWithEnforcedVertices.Add( faceShape );
557 // If a node is already created by an attractor, do not create enforced vertex
558 int attractorKey = FacesWithSizeMap.FindIndex( faceShape );
559 bool sameAttractor = false;
560 if (attractorKey >= 0)
561 if (FaceId2AttractorCoords.count(attractorKey) > 0)
562 if (FaceId2AttractorCoords[attractorKey] == coords)
563 sameAttractor = true;
565 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
567 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redundant coords here (see std::set management)
570 if (! sameAttractor) {
571 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
573 FaceId2EnforcedVertexCoords[key] = ens;
578 /////////////////////////////////////////////////////////
579 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
582 for( BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex : enfVertexList )
584 // Case of manual coords
585 if (enfVertex->coords.size() != 0) {
586 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
587 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
590 // Case of geom vertex coords
591 if (enfVertex->geomEntry != "") {
592 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
593 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
594 if (GeomType == TopAbs_VERTEX)
596 enfVertex->vertex = TopoDS::Vertex( GeomShape );
597 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
598 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
601 if (GeomType == TopAbs_COMPOUND)
603 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
604 if (it.Value().ShapeType() == TopAbs_VERTEX)
606 enfVertex->vertex = TopoDS::Vertex( it.Value() );
607 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
608 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
615 /////////////////////////////////////////////////////////
616 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
618 double xa=0., ya=0., za=0.; // Coordinates of attractor point
619 double a, b; // Attractor parameter
621 bool createNode=false; // To create a node on attractor projection
623 const char *sep = ";";
624 // atIt->second has the following pattern:
625 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
627 // xa;ya;za : coordinates of attractor
628 // a : desired size on attractor
629 // b : distance of influence of attractor
630 // d : distance until which the size remains constant
632 // We search the parameters in the string
634 pos1 = AttractorFunction.find(sep);
635 if (pos1!=string::npos)
636 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
638 pos2 = AttractorFunction.find(sep, pos1+1);
639 if (pos2!=string::npos) {
640 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
644 pos2 = AttractorFunction.find(sep, pos1+1);
645 if (pos2!=string::npos) {
646 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
650 pos2 = AttractorFunction.find(sep, pos1+1);
651 if (pos2!=string::npos) {
652 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
656 pos2 = AttractorFunction.find(sep, pos1+1);
657 if (pos2!=string::npos) {
658 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
662 pos2 = AttractorFunction.find(sep, pos1+1);
663 if (pos2!=string::npos) {
664 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
665 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
669 pos2 = AttractorFunction.find(")");
670 if (pos2!=string::npos) {
671 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
674 // Get the (u,v) values of the attractor on the face
675 BLSURFPlugin_BLSURF::projectionPoint projPnt =
676 BLSURFPlugin_BLSURF::getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
677 gp_XY uvPoint = projPnt.uv;
678 gp_XYZ xyzPoint = projPnt.xyz;
679 Standard_Real u0 = uvPoint.X();
680 Standard_Real v0 = uvPoint.Y();
681 Standard_Real x0 = xyzPoint.X();
682 Standard_Real y0 = xyzPoint.Y();
683 Standard_Real z0 = xyzPoint.Z();
684 std::vector<double> coords;
685 coords.push_back(u0);
686 coords.push_back(v0);
687 coords.push_back(x0);
688 coords.push_back(y0);
689 coords.push_back(z0);
690 // We construct the python function
691 ostringstream attractorFunctionStream;
692 attractorFunctionStream << "def f(u,v): return ";
693 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
694 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
695 // rnc: make possible to keep the size constant until
696 // a defined distance. Distance is expressed as the positiv part
697 // of r-d where r is the distance to (u0,v0)
698 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
701 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
702 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
705 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
707 FaceId2SizeMap[key] =attractorFunctionStream.str();
709 FaceId2AttractorCoords[key] = coords;
711 // // Test for new attractors
712 // gp_Pnt myP(xyzPoint);
713 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
714 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
715 // myAttractor.SetParameters(a, defaultSize, b, d);
716 // myAttractor.SetType(1);
717 // FaceId2ClassAttractor[key] = myAttractor;
718 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
722 // One sub-shape to get ids from
723 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
724 const TopoDS_Shape& theSubShape,
725 TopAbs_ShapeEnum theShapeType)
727 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
729 TopTools_MapOfShape subShapes;
730 TopTools_IndexedMapOfShape anIndices;
731 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
733 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
735 if ( subShapes.Add( face_iter.Current() )) // issue 23416
737 int face_id = anIndices.FindIndex( face_iter.Current() );
739 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
740 face_ids.push_back( face_id );
746 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
747 TopoDS_Shape theSubShape,
748 TopAbs_ShapeEnum theShapeType)
750 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
752 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
754 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
756 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
757 face_ids.push_back(face_id);
763 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
765 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
767 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
768 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
773 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
775 if (theVertexEntry!="")
777 TopoDS_Shape aShape = entryToShape(theVertexEntry);
779 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
780 double theX, theY, theZ;
785 theVerticesCoords.push_back(theX);
786 theVerticesCoords.push_back(theY);
787 theVerticesCoords.push_back(theZ);
791 /////////////////////////////////////////////////////////
792 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
794 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
795 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
797 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
798 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
800 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
801 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
802 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
804 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
805 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
807 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
810 /////////////////////////////////////////////////////////
811 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
813 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
814 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
816 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
817 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
819 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
820 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
821 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
823 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
824 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
826 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
830 /////////////////////////////////////////////////////////
832 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
833 cadsurf_session_t * css,
834 const TopoDS_Shape& theGeomShape)
837 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
838 FacesWithSizeMap.Clear();
839 FaceId2SizeMap.clear();
840 EdgesWithSizeMap.Clear();
841 EdgeId2SizeMap.clear();
842 VerticesWithSizeMap.Clear();
843 VertexId2SizeMap.clear();
844 FaceId2PythonSmp.clear();
845 EdgeId2PythonSmp.clear();
846 VertexId2PythonSmp.clear();
847 FaceId2AttractorCoords.clear();
848 FaceId2ClassAttractor.clear();
849 FaceIndex2ClassAttractor.clear();
850 FacesWithEnforcedVertices.Clear();
851 FaceId2EnforcedVertexCoords.clear();
852 EnfVertexCoords2ProjVertex.clear();
853 EnfVertexCoords2EnfVertexList.clear();
855 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
856 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
857 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
858 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
859 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
860 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
861 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
862 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
863 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
864 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
865 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
866 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
867 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
868 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
869 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
870 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
871 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
872 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
873 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
874 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
875 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
876 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
877 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
878 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
879 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
880 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
881 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
882 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
883 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
884 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
885 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
886 bool _useSurfaceProximity = BLSURFPlugin_Hypothesis::GetDefaultUseSurfaceProximity ();
887 int _nbSurfaceProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbSurfaceProximityLayers();
888 double _surfaceProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultSurfaceProximityRatio ();
889 bool _useVolumeProximity = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeProximity ();
890 int _nbVolumeProximityLayers = BLSURFPlugin_Hypothesis::GetDefaultNbVolumeProximityLayers ();
891 double _volumeProximityRatio = BLSURFPlugin_Hypothesis::GetDefaultVolumeProximityRatio ();
894 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
895 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
896 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
897 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
899 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
902 _physicalMesh = (int) hyp->GetPhysicalMesh();
903 _geometricMesh = (int) hyp->GetGeometricMesh();
904 if (hyp->GetPhySize() > 0) {
905 _phySize = hyp->GetPhySize();
906 // if user size is not explicitly specified, "relative" flag is ignored
907 _phySizeRel = hyp->IsPhySizeRel();
909 if (hyp->GetMinSize() > 0) {
910 _minSize = hyp->GetMinSize();
911 // if min size is not explicitly specified, "relative" flag is ignored
912 _minSizeRel = hyp->IsMinSizeRel();
914 if (hyp->GetMaxSize() > 0) {
915 _maxSize = hyp->GetMaxSize();
916 // if max size is not explicitly specified, "relative" flag is ignored
917 _maxSizeRel = hyp->IsMaxSizeRel();
919 _use_gradation = hyp->GetUseGradation();
920 if (hyp->GetGradation() > 0 && _use_gradation)
921 _gradation = hyp->GetGradation();
922 _use_volume_gradation = hyp->GetUseVolumeGradation();
923 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
924 _volume_gradation = hyp->GetVolumeGradation();
925 _elementType = hyp->GetElementType();
926 if (hyp->GetAngleMesh() > 0)
927 _angleMesh = hyp->GetAngleMesh();
928 if (hyp->GetChordalError() > 0)
929 _chordalError = hyp->GetChordalError();
930 _anisotropic = hyp->GetAnisotropic();
931 if (hyp->GetAnisotropicRatio() >= 0)
932 _anisotropicRatio = hyp->GetAnisotropicRatio();
933 _removeTinyEdges = hyp->GetRemoveTinyEdges();
934 if (hyp->GetTinyEdgeLength() > 0)
935 _tinyEdgeLength = hyp->GetTinyEdgeLength();
936 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
937 if (hyp->GetTinyEdgeOptimisationLength() > 0)
938 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
939 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
940 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
941 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
942 _badElementRemoval = hyp->GetBadElementRemoval();
943 if (hyp->GetBadElementAspectRatio() >= 0)
944 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
945 _optimizeMesh = hyp->GetOptimizeMesh();
946 _quadraticMesh = hyp->GetQuadraticMesh();
947 _verb = hyp->GetVerbosity();
948 //_topology = (int) hyp->GetTopology();
950 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
951 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
952 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
953 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
954 _useSurfaceProximity = hyp->GetUseSurfaceProximity ();
955 _nbSurfaceProximityLayers = hyp->GetNbSurfaceProximityLayers();
956 _surfaceProximityRatio = hyp->GetSurfaceProximityRatio ();
957 _useVolumeProximity = hyp->GetUseVolumeProximity ();
958 _nbVolumeProximityLayers = hyp->GetNbVolumeProximityLayers ();
959 _volumeProximityRatio = hyp->GetVolumeProximityRatio ();
962 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
963 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
964 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
965 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
966 if ( !opIt->second.empty() ) {
967 // With MeshGems 2.4-5, there are issues with periodicity and multithread
968 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
969 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
970 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
971 set_param(css, opIt->first.c_str(), "1");
974 set_param(css, opIt->first.c_str(), opIt->second.c_str());
978 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
979 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
980 if ( !opIt->second.empty() ) {
981 set_param(css, opIt->first.c_str(), opIt->second.c_str());
984 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
985 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
986 if ( !opIt->second.empty() ) {
987 set_param(css, opIt->first.c_str(), opIt->second.c_str());
990 if ( hyp->GetHyperPatches().size() < hyp->GetHyperPatchEntries().size() )
992 std::map< std::string, TopoDS_Shape > entryToShape;
993 FillEntryToShape( hyp, entryToShape );
994 const_cast<BLSURFPlugin_Hypothesis*>( hyp )->SetHyperPatchIDsByEntry( theGeomShape,
999 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
1001 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
1003 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
1004 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
1005 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
1006 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
1007 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
1008 //set_param(css, "max_number_of_points_per_patch", "1000000");
1010 bool useGradation = false;
1011 switch (_physicalMesh)
1013 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1014 set_param(css, "physical_size_mode", "global");
1015 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1016 //useGradation = true;
1018 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1019 set_param(css, "physical_size_mode", "local");
1020 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1021 //useGradation = true;
1024 set_param(css, "physical_size_mode", "none");
1027 switch (_geometricMesh)
1029 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1030 set_param(css, "geometric_size_mode", "global");
1031 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1032 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1033 //useGradation = true;
1035 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1036 set_param(css, "geometric_size_mode", "local");
1037 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1038 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1039 //useGradation = true;
1042 set_param(css, "geometric_size_mode", "none");
1045 if ( hyp && hyp->GetPhySize() > 0 ) {
1046 // user size is explicitly specified via hypothesis parameters
1047 // min and max sizes should be compared with explicitly specified user size
1048 // - compute absolute min size
1049 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1050 // - min size should not be greater than user size
1051 if ( _phySize < mins )
1052 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1054 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1055 // - compute absolute max size
1056 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1057 // - max size should not be less than user size
1058 if ( _phySize > maxs )
1059 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1061 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1064 // user size is not explicitly specified
1065 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1066 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1067 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1068 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1070 useGradation = true; // bos #18758
1071 // anisotropic and quadrangle mesh requires disabling gradation
1072 if ( _anisotropic && _elementType != BLSURFPlugin_Hypothesis::Triangles )
1073 useGradation = false; // limitation of V1.3
1074 if ( useGradation && _use_gradation )
1075 set_param(css, "gradation", val_to_string(_gradation).c_str());
1076 if ( useGradation && _use_volume_gradation )
1077 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1079 // New since MeshGems 2.5: add full_quad
1080 const char * element_generation = "";
1081 switch ( _elementType )
1083 case BLSURFPlugin_Hypothesis::Triangles:
1084 element_generation = "triangle";
1086 case BLSURFPlugin_Hypothesis::QuadrangleDominant:
1087 element_generation = "quad_dominant";
1089 case BLSURFPlugin_Hypothesis::Quadrangles:
1090 element_generation = "full_quad";
1094 set_param(css, "element_generation", element_generation);
1097 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1099 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1100 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1101 if ( _removeTinyEdges )
1102 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1103 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1104 if ( _optimiseTinyEdges )
1105 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1106 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1107 if ( _correctSurfaceIntersec )
1108 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1109 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1110 if ( _badElementRemoval )
1111 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1112 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1113 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1114 set_param(css, "verbose", val_to_string(_verb).c_str());
1116 set_param(css, "use_surface_proximity", _useSurfaceProximity ? "yes" : "no" );
1117 if ( _useSurfaceProximity )
1119 set_param(css, "surface_proximity_layers", SMESH_Comment( _nbSurfaceProximityLayers ));
1120 set_param(css, "surface_proximity_ratio", SMESH_Comment( _surfaceProximityRatio ));
1122 set_param(css, "use_volume_proximity", _useVolumeProximity ? "yes" : "no" );
1123 if ( _useVolumeProximity )
1125 set_param(css, "volume_proximity_layers", SMESH_Comment( _nbVolumeProximityLayers ));
1126 set_param(css, "volume_proximity_ratio", SMESH_Comment( _volumeProximityRatio ));
1129 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1131 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1133 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1135 TopoDS_Shape GeomShape;
1136 TopoDS_Shape AttShape;
1137 TopAbs_ShapeEnum GeomType;
1139 // Standard Size Maps
1141 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1142 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1143 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1144 if ( !smIt->second.empty() ) {
1145 GeomShape = entryToShape(smIt->first);
1146 GeomType = GeomShape.ShapeType();
1149 if (GeomType == TopAbs_COMPOUND) {
1150 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1152 if (it.Value().ShapeType() == TopAbs_FACE){
1153 HasSizeMapOnFace = true;
1154 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1155 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1158 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1160 FaceId2SizeMap[key] = smIt->second;
1163 if (it.Value().ShapeType() == TopAbs_EDGE){
1164 HasSizeMapOnEdge = true;
1165 HasSizeMapOnFace = true;
1166 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1167 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1170 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1172 EdgeId2SizeMap[key] = smIt->second;
1174 // Group of vertices
1175 if (it.Value().ShapeType() == TopAbs_VERTEX){
1176 HasSizeMapOnVertex = true;
1177 HasSizeMapOnEdge = true;
1178 HasSizeMapOnFace = true;
1179 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1180 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1183 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1185 VertexId2SizeMap[key] = smIt->second;
1190 if (GeomType == TopAbs_FACE){
1191 HasSizeMapOnFace = true;
1192 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1193 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1196 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1198 FaceId2SizeMap[key] = smIt->second;
1201 if (GeomType == TopAbs_EDGE){
1202 HasSizeMapOnEdge = true;
1203 HasSizeMapOnFace = true;
1204 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1205 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1208 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1210 EdgeId2SizeMap[key] = smIt->second;
1213 if (GeomType == TopAbs_VERTEX){
1214 HasSizeMapOnVertex = true;
1215 HasSizeMapOnEdge = true;
1216 HasSizeMapOnFace = true;
1217 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1218 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1221 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1223 VertexId2SizeMap[key] = smIt->second;
1231 // TODO appeler le constructeur des attracteurs directement ici
1232 // if ( !_phySizeRel ) {
1233 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1234 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1235 for ( ; atIt != attractors.end(); ++atIt ) {
1236 if ( !atIt->second.empty() ) {
1237 GeomShape = entryToShape(atIt->first);
1238 GeomType = GeomShape.ShapeType();
1240 if (GeomType == TopAbs_COMPOUND){
1241 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1242 if (it.Value().ShapeType() == TopAbs_FACE){
1243 HasSizeMapOnFace = true;
1244 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1249 if (GeomType == TopAbs_FACE){
1250 HasSizeMapOnFace = true;
1251 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1254 if (GeomType == TopAbs_EDGE){
1255 HasSizeMapOnEdge = true;
1256 HasSizeMapOnFace = true;
1257 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1259 if (GeomType == TopAbs_VERTEX){
1260 HasSizeMapOnVertex = true;
1261 HasSizeMapOnEdge = true;
1262 HasSizeMapOnFace = true;
1263 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1271 // temporary commented out for testing
1273 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1274 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1275 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1277 // - Construct the attractors with an empty dist. map in the hypothesis
1278 // - 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()
1279 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1281 theNbAttractors = 0;
1282 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1284 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1285 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1286 if ( !AtIt->second->Empty() ) {
1287 GeomShape = entryToShape(AtIt->first);
1288 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1290 AttShape = AtIt->second->GetAttractorShape();
1291 GeomType = GeomShape.ShapeType();
1293 // if (GeomType == TopAbs_COMPOUND){
1294 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1295 // if (it.Value().ShapeType() == TopAbs_FACE){
1296 // HasAttractorOnFace = true;
1297 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1302 if (GeomType == TopAbs_FACE
1303 && (AttShape.ShapeType() == TopAbs_VERTEX
1304 || AttShape.ShapeType() == TopAbs_EDGE
1305 || AttShape.ShapeType() == TopAbs_WIRE
1306 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1307 HasSizeMapOnFace = true;
1309 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1311 FaceId2ClassAttractor[key].push_back( AtIt->second );
1315 MESSAGE("Wrong shape type !!")
1323 // Enforced Vertices
1325 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1326 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1327 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1328 if ( !enfIt->second.empty() ) {
1329 GeomShape = entryToShape(enfIt->first);
1330 if ( GeomShape.IsNull() )
1332 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1335 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1337 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1338 if (it.Value().ShapeType() == TopAbs_FACE){
1339 HasSizeMapOnFace = true;
1340 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1344 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1346 HasSizeMapOnFace = true;
1347 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1352 // Internal vertices
1353 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1354 if (useInternalVertexAllFaces) {
1355 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1357 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1358 for (; exp.More(); exp.Next()){
1359 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1360 for (; exp_face.More(); exp_face.Next())
1362 // Get coords of vertex
1363 // Check if current coords is already in enfVertexList
1364 // If coords not in enfVertexList, add new enfVertex
1365 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1366 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1367 enfVertex->coords.push_back(aPnt.X());
1368 enfVertex->coords.push_back(aPnt.Y());
1369 enfVertex->coords.push_back(aPnt.Z());
1370 enfVertex->name = "";
1371 enfVertex->faceEntries.clear();
1372 enfVertex->geomEntry = "";
1373 enfVertex->grpName = grpName;
1374 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1375 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1376 HasSizeMapOnFace = true;
1381 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1383 if (HasSizeMapOnEdge){
1384 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1386 if (HasSizeMapOnVertex){
1387 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1394 _preCadFacesIDsPeriodicityVector.clear();
1395 _preCadEdgesIDsPeriodicityVector.clear();
1397 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1398 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1401 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1403 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1404 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1408 //================================================================================
1410 * \brief Throws an exception if a parameter name is wrong
1412 //================================================================================
1414 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1415 const char * option_name,
1416 const char * option_value)
1418 status_t status = cadsurf_set_param(css, option_name, option_value );
1420 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1421 cout << option_name << " = " << option_value << endl;
1423 if ( status != MESHGEMS_STATUS_OK )
1425 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1426 throw SALOME_Exception
1427 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1429 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1430 throw SALOME_Exception
1431 ( "No valid license available" );
1433 throw SALOME_Exception
1434 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1435 << option_name << "': " << option_value);
1441 // --------------------------------------------------------------------------
1443 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1445 struct BLSURF_Cleaner
1448 cadsurf_session_t* _css;
1452 BLSURF_Cleaner(context_t * ctx,
1453 cadsurf_session_t* css=0,
1464 Clean( /*exceptContext=*/false );
1466 void Clean(const bool exceptContext)
1470 cadsurf_session_delete(_css); _css = 0;
1472 // #if BLSURF_VERSION_LONG >= "3.1.1"
1473 // // if(geo_sizemap_e)
1474 // // distene_sizemap_delete(geo_sizemap_e);
1475 // // if(geo_sizemap_f)
1476 // // distene_sizemap_delete(geo_sizemap_f);
1477 // if(iso_sizemap_p)
1478 // distene_sizemap_delete(iso_sizemap_p);
1479 // if(iso_sizemap_e)
1480 // distene_sizemap_delete(iso_sizemap_e);
1481 // if(iso_sizemap_f)
1482 // distene_sizemap_delete(iso_sizemap_f);
1484 // // if(clean_geo_sizemap_e)
1485 // // distene_sizemap_delete(clean_geo_sizemap_e);
1486 // // if(clean_geo_sizemap_f)
1487 // // distene_sizemap_delete(clean_geo_sizemap_f);
1488 // if(clean_iso_sizemap_p)
1489 // distene_sizemap_delete(clean_iso_sizemap_p);
1490 // if(clean_iso_sizemap_e)
1491 // distene_sizemap_delete(clean_iso_sizemap_e);
1492 // if(clean_iso_sizemap_f)
1493 // distene_sizemap_delete(clean_iso_sizemap_f);
1496 cad_delete(_cad); _cad = 0;
1497 dcad_delete(_dcad); _dcad = 0;
1498 if ( !exceptContext )
1500 context_delete(_ctx); _ctx = 0;
1506 // --------------------------------------------------------------------------
1507 // comparator to sort nodes and sub-meshes
1508 struct ShapeTypeCompare
1510 // sort nodes by position in the following order:
1511 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1512 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1514 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1515 //return n1->getIdInShape() < n2->getIdInShape();
1516 return n1->GetID() < n2->GetID(); // earlier created nodes have less IDs
1518 // sort sub-meshes in order: EDGE, VERTEX
1519 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1521 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1522 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1523 if ( isVertex1 == isVertex2 )
1525 return isVertex1 < isVertex2;
1529 //================================================================================
1531 * \brief Fills groups of nodes to be merged
1533 //================================================================================
1535 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1536 const TopoDS_Shape& shape,
1537 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1539 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1540 switch ( shape.ShapeType() )
1542 case TopAbs_VERTEX: {
1543 std::list< const SMDS_MeshNode* > nodes;
1544 while ( nIt->more() )
1545 nodes.push_back( nIt->next() );
1546 if ( nodes.size() > 1 )
1547 nodeGroupsToMerge.push_back( nodes );
1551 std::multimap< double, const SMDS_MeshNode* > u2node;
1552 while ( nIt->more() )
1554 const SMDS_MeshNode* n = nIt->next();
1555 if ( SMDS_EdgePositionPtr ePos = n->GetPosition() )
1556 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1558 if ( u2node.size() < 2 ) return;
1560 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1562 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1563 double tol = (( l - f ) / 10.) / double( u2node.size() ); // 10. - adjusted for #17262
1565 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1566 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1568 if (( un2->first - un1->first ) <= tol )
1570 std::list< const SMDS_MeshNode* > nodes;
1571 nodes.push_back( un1->second );
1572 while (( un2->first - un1->first ) <= tol )
1574 nodes.push_back( un2->second );
1575 if ( ++un2 == u2node.end()) {
1580 // make nodes created on the boundary of viscous layer replace nodes created
1581 // by MG-CADSurf as their SMDS_Position is more correct
1582 nodes.sort( ShapeTypeCompare() );
1583 nodeGroupsToMerge.push_back( nodes );
1590 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1591 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1593 // cout << "Merge ";
1594 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1595 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1596 // for ( ; nIt != nl.end(); ++nIt )
1597 // cout << (*nIt) << " ";
1603 //================================================================================
1605 * \brief A temporary mesh used to compute mesh on a proxy FACE
1607 //================================================================================
1609 struct TmpMesh: public SMESH_Mesh
1611 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1612 TN2NMap _tmp2origNN;
1613 TopoDS_Face _proxyFace;
1617 _meshDS = new SMESHDS_Mesh( _id, true );
1619 //--------------------------------------------------------------------------------
1621 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1623 //--------------------------------------------------------------------------------
1625 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1626 const TopoDS_Face& origFace)
1628 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1630 SMESH_MesherHelper helper( *origMesh );
1631 helper.SetSubShape( origFace );
1632 const bool hasSeam = helper.HasRealSeam();
1634 // get data of nodes on inner boundary of viscous layers
1636 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1637 /*skipMediumNodes = */true,
1638 err, &helper, viscousMesh );
1639 if ( err && err->IsKO() )
1640 throw *err.get(); // it should be caught at SMESH_subMesh
1642 // proxy nodes and corresponding tmp VERTEXes
1643 std::vector<const SMDS_MeshNode*> origNodes;
1644 std::vector<TopoDS_Vertex> tmpVertex;
1646 // create a proxy FACE
1647 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1648 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1649 bool hasPCurves = false;
1650 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1652 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1653 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1654 if ( wirePoints.size() < 3 )
1657 BRepBuilderAPI_MakePolygon polygon;
1658 const size_t i0 = tmpVertex.size();
1659 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1661 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1662 origNodes.push_back( wirePoints[ iN ].node );
1663 tmpVertex.push_back( polygon.LastVertex() );
1665 // check presence of a pcurve
1666 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1668 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1670 if ( !polygon.IsDone() )
1671 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1672 TopoDS_Wire wire = polygon;
1674 wire = updateSeam( wire, origNodes );
1675 newFace.Add( wire );
1677 _proxyFace = newFace;
1679 // set a new shape to mesh
1680 TopoDS_Compound auxCompoundToMesh;
1681 BRep_Builder shapeBuilder;
1682 shapeBuilder.MakeCompound( auxCompoundToMesh );
1683 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1684 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1686 ShapeToMesh( auxCompoundToMesh );
1689 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1691 // make nodes and fill in _tmp2origNN
1693 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1694 for ( size_t i = 0; i < origNodes.size(); ++i )
1696 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1697 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1698 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1699 // else -- it can be a seam vertex replaced by updateSeam()
1700 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1704 TopoDS_Vertex v1, v2;
1705 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1707 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1708 TopExp::Vertices( E, v1, v2 );
1709 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1710 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1712 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1713 tmpMeshDS->SetMeshElementOnShape( seg, E );
1719 //--------------------------------------------------------------------------------
1721 * \brief Add pcurve to the last edge of a wire
1723 //--------------------------------------------------------------------------------
1725 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1726 const TopoDS_Face& face,
1728 const uvPtStruct * wirePoints )
1732 TopoDS_Edge edge = wire.Edge();
1733 if ( edge.IsNull() ) return;
1735 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1740 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1741 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1742 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1743 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1744 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1745 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1746 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1747 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1750 //--------------------------------------------------------------------------------
1752 * \brief Replace coincident EDGEs with reversed copies.
1754 //--------------------------------------------------------------------------------
1756 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1757 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1759 BRepBuilderAPI_MakeWire newWire;
1761 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1762 TSeg2EdgeMap seg2EdgeMap;
1764 TopoDS_Iterator edgeIt( wire );
1765 for ( size_t iSeg = 1; edgeIt.More() && iSeg < nodesOfVertices.size(); edgeIt.Next(), ++iSeg )
1767 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1768 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1770 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1771 bool isSeam = ( *edgeInMap != edge );
1774 edgeInMap->Reverse();
1777 newWire.Add( edge );
1782 //--------------------------------------------------------------------------------
1784 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1786 //--------------------------------------------------------------------------------
1788 void FillInOrigMesh( SMESH_Mesh& origMesh,
1789 const TopoDS_Face& origFace )
1791 SMESH_MesherHelper helper( origMesh );
1792 helper.SetSubShape( origFace );
1793 helper.SetElementsOnShape( true );
1795 SMESH_MesherHelper tmpHelper( *this );
1796 tmpHelper.SetSubShape( _proxyFace );
1798 // iterate over tmp faces and copy them in origMesh
1799 const SMDS_MeshNode* nodes[27];
1800 const SMDS_MeshNode* nullNode = 0;
1802 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator();
1803 while ( fIt->more() )
1805 const SMDS_MeshElement* f = fIt->next();
1806 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1808 for ( ; nIt->more(); ++nbN )
1810 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1811 TN2NMap::iterator n2nIt =
1812 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1813 if ( !n2nIt->second ) {
1815 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1816 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], /*id=*/0, uv.X(), uv.Y() );
1818 nodes[ nbN ] = n2nIt->second;
1821 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1822 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1823 // nodes[3], nodes[4], nodes[5]); break;
1824 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1825 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1826 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1827 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1828 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1835 * \brief A structure holding an error description and a verbisity level
1837 struct message_cb_user_data
1839 std::string * _error;
1846 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1847 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1848 real *duu, real *duv, real *dvv, void *user_data);
1849 status_t message_cb(message_t *msg, void *user_data);
1850 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1852 //=============================================================================
1856 //=============================================================================
1858 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1860 // Fix problem with locales
1861 Kernel_Utils::Localizer aLocalizer;
1863 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1865 bool viscousLayersMade =
1866 ( aShape.ShapeType() == TopAbs_FACE &&
1867 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1869 if ( !viscousLayersMade )
1870 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1873 if ( _haveViscousLayers || viscousLayersMade )
1875 // Compute viscous layers
1877 TopTools_MapOfShape map;
1878 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1880 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1881 if ( !map.Add( F )) continue;
1882 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1884 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1886 // Compute MG-CADSurf mesh on viscous layers
1888 if ( viscousMesh->NbProxySubMeshes() > 0 )
1891 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1892 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1894 tmpMesh.FillInOrigMesh( aMesh, F );
1898 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1900 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1902 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1903 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1904 if ( fSM->IsMeshComputed() ) continue;
1906 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1914 //=============================================================================
1918 //=============================================================================
1920 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1921 const TopoDS_Shape& aShape,
1922 bool allowSubMeshClearing)
1924 /* create a distene context (generic object) */
1925 status_t status = STATUS_ERROR;
1927 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1928 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1929 theHelper = & helperWithShape;
1930 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1931 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1932 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1933 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis && _hypothesis->GetQuadraticMesh());
1934 helper.SetIsQuadratic( haveQuadraticSubMesh );
1935 helperWithShape.SetIsQuadratic( haveQuadraticSubMesh );
1937 bool quadraticSubMeshAndViscousLayer = false;
1938 bool needMerge = false;
1939 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1940 TSubMeshSet edgeSubmeshes;
1941 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1942 double existingPhySize = 0;
1944 TopTools_IndexedMapOfShape pmap, emap, fmap;
1946 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1947 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1949 BLSURFPlugin_EnforcedMesh1D enforcedMesh( helperWithShape, _hypothesis );
1951 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1953 feclearexcept( FE_ALL_EXCEPT );
1954 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1957 context_t *ctx = context_new();
1959 /* Set the message callback in the working context */
1960 message_cb_user_data mcud;
1961 mcud._error = & this->SMESH_Algo::_comment;
1962 mcud._progress = & this->SMESH_Algo::_progress;
1964 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1965 context_set_message_callback(ctx, message_cb, &mcud);
1967 /* set the interruption callback */
1968 _compute_canceled = false;
1969 context_set_interrupt_callback(ctx, interrupt_cb, this);
1971 /* create the CAD object we will work on. It is associated to the context ctx. */
1972 cad_t *c = cad_new(ctx);
1973 dcad_t *dcad = dcad_new(c);
1975 // To enable multithreading
1976 cad_set_thread_safety(c, 1);
1978 /* Now fill the CAD object with data from your CAD
1979 * environement. This is the most complex part of a successfull
1985 cadsurf_session_t *css = cadsurf_session_new(ctx);
1987 // an object that correctly deletes all cadsurf objects at destruction
1988 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1990 SetParameters(_hypothesis, css, aShape);
1992 // To remove as soon as quadratic mesh is allowed - BEGIN
1993 // GDD: Viscous layer is not allowed with quadratic mesh
1994 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1995 quadraticSubMeshAndViscousLayer = true;
1996 _haveViscousLayers = !haveQuadraticSubMesh;
1997 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1998 error(COMPERR_WARNING, _comment);
2000 // To remove as soon as quadratic mesh is allowed - END
2002 // needed to prevent the opencascade memory managmement from freeing things
2003 vector<Handle(Geom2d_Curve)> curves;
2004 vector<Handle(Geom_Surface)> surfaces;
2008 FaceId2PythonSmp.clear();
2009 EdgeId2PythonSmp.clear();
2010 VertexId2PythonSmp.clear();
2012 /****************************************************************************************
2014 *****************************************************************************************/
2016 string bad_end = "return";
2018 TopTools_IndexedMapOfShape _map;
2019 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
2020 int ienf = _map.Extent();
2022 assert(Py_IsInitialized());
2023 PyGILState_STATE gstate;
2025 string theSizeMapStr;
2027 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2029 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2031 //SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2032 //if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2034 // make INTERNAL face oriented FORWARD (issue 0020993)
2035 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2036 f.Orientation(TopAbs_FORWARD);
2038 iface = fmap.Add(f);
2040 surfaces.push_back(BRep_Tool::Surface(f));
2042 /* create an object representing the face for cadsurf */
2043 /* where face_id is an integer identifying the face.
2044 * surf_function is the function that defines the surface
2045 * (For this face, it will be called by cadsurf with your_face_object_ptr
2046 * as last parameter.
2048 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2050 /* by default a face has no tag (color).
2051 The following call sets it to the same value as the Geom module ID : */
2052 int faceTag = meshDS->ShapeToIndex(f);
2053 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2054 cad_face_set_tag(fce, faceTag);
2056 /* Set face orientation (optional if you want a well oriented output mesh)*/
2057 if(f.Orientation() != TopAbs_FORWARD)
2058 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2060 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2062 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2064 // -----------------
2066 // -----------------
2067 faceKey = FacesWithSizeMap.FindIndex(f);
2070 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2072 theSizeMapStr = FaceId2SizeMap[faceKey];
2073 // check if function ends with "return"
2074 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2076 // Expr To Python function, verification is performed at validation in GUI
2077 gstate = PyGILState_Ensure();
2078 PyObject * obj = NULL;
2079 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2081 PyObject * func = NULL;
2082 func = PyObject_GetAttrString(main_mod, "f");
2083 FaceId2PythonSmp[iface]=func;
2084 FaceId2SizeMap.erase(faceKey);
2085 PyGILState_Release(gstate);
2088 // Specific size map = Attractor
2089 std::map<int,std::vector<double> >::iterator attractor_iter =
2090 FaceId2AttractorCoords.find( faceKey );
2091 if (attractor_iter != FaceId2AttractorCoords.end() )
2093 double * xyzCoords = & attractor_iter->second[2];
2094 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2095 BRepClass_FaceClassifier scl(f,P,1e-7);
2096 TopAbs_State result = scl.State();
2097 if ( result == TopAbs_OUT )
2098 MESSAGE("Point is out of face: node is not created");
2099 if ( result == TopAbs_UNKNOWN )
2100 MESSAGE("Point position on face is unknown: node is not created");
2101 if ( result == TopAbs_ON )
2102 MESSAGE("Point is on border of face: node is not created");
2103 if ( result == TopAbs_IN )
2105 // Point is inside face and not on border
2106 double * uvCoords = & attractor_iter->second[0];
2108 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2109 cad_point_set_tag(point_p, ienf);
2111 FaceId2AttractorCoords.erase(faceKey);
2114 // -----------------
2116 // -----------------
2117 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2118 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2119 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2120 for ( size_t i = 0; i < attVec.size(); ++i )
2121 if ( !attVec[i]->IsMapBuilt() ) {
2122 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2123 attVec[i]->BuildMap();
2125 FaceIndex2ClassAttractor[iface].swap( attVec );
2126 FaceId2ClassAttractor.erase(clAttractor_iter);
2128 } // if (HasSizeMapOnFace && !use_precad)
2130 // ------------------
2131 // Enforced Vertices
2132 // ------------------
2133 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2134 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2135 if (evmIt != FaceId2EnforcedVertexCoords.end())
2137 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2138 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2139 for (; evlIt != evl.end(); ++evlIt)
2141 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords = { evlIt->at(2),
2144 bool isOnEdge = evlIt->at(5);
2147 enforcedMesh.AddVertexOnEdge( xyzCoords.data() );
2150 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2152 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2154 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2155 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2156 !enfCoordsIt->second.empty() )
2158 // to merge nodes of an INTERNAL vertex belonging to several faces
2159 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2160 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2161 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2163 tag = pmap.Add( v );
2164 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2165 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2166 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2167 // //if ( tag != pmap.Extent() )
2168 // needMerge = true;
2171 if ( tag == 0 ) tag = ienf;
2172 cad_point_set_tag(point_p, tag);
2174 FaceId2EnforcedVertexCoords.erase(faceKey);
2178 /****************************************************************************************
2180 now create the edges associated to this face
2181 *****************************************************************************************/
2183 std::vector< TopoDS_Edge > edges;
2184 for ( TopExp_Explorer edge_iter( f, TopAbs_EDGE ); edge_iter.More(); edge_iter.Next() )
2186 const TopoDS_Edge& e = TopoDS::Edge( edge_iter.Current() );
2187 if ( !enforcedMesh.GetSplitsOfEdge( e, edges, emap ))
2188 edges.push_back( e );
2190 for ( const TopoDS_Edge& e : edges )
2192 int ic = emap.Add(e);
2195 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2197 if ( HasSizeMapOnEdge )
2199 int edgeKey = EdgesWithSizeMap.FindIndex(e);
2200 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2202 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2203 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2205 // Expr To Python function, verification is performed at validation in GUI
2206 gstate = PyGILState_Ensure();
2207 PyObject * obj = NULL;
2208 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2210 PyObject * func = NULL;
2211 func = PyObject_GetAttrString(main_mod, "f");
2212 EdgeId2PythonSmp[ic]=func;
2213 EdgeId2SizeMap.erase(edgeKey);
2214 PyGILState_Release(gstate);
2217 /* data of nodes existing on the edge */
2218 StdMeshers_FaceSidePtr nodeData;
2219 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2220 if ( !sm->IsEmpty() )
2222 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2223 // /*complexFirst=*/false);
2224 // while ( subsmIt->more() )
2225 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2226 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2228 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2229 /*ignoreMedium=*/haveQuadraticSubMesh));
2230 if ( nodeData->MissVertexNode() )
2231 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2233 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2234 if ( !nodeDataVec.empty() )
2236 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2238 nodeData->Reverse();
2239 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2241 // tmin and tmax can change in case of viscous layer on an adjacent edge
2242 tmin = nodeDataVec.front().param;
2243 tmax = nodeDataVec.back().param;
2245 existingPhySize += nodeData->Length() / double( nodeDataVec.size() - 1 );
2249 cout << "---------------- Invalid nodeData" << endl;
2254 /* attach the edge to the current cadsurf face */
2255 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2257 /* by default an edge has no tag (color).
2258 The following call sets it to the same value as the edge_id : */
2259 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2260 bool isInHyperPatch = false;
2261 if ( e2ffmap.Contains( e )) // not there for a part of EDGE divided by enforced segments
2263 std::set< int > faceTags, faceIDs;
2264 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2265 for ( ; fIt.More(); fIt.Next() )
2267 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2268 if ( !faceIDs.insert( faceTag ).second )
2269 continue; // a face encounters twice for a seam edge
2270 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2271 if ( !faceTags.insert( hpTag ).second )
2273 isInHyperPatch = true;
2278 if ( !isInHyperPatch )
2279 cad_edge_set_tag(edg, ic);
2281 /* by default, an edge does not necessarily appear in the resulting mesh,
2282 unless the following property is set :
2284 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2286 /* by default an edge is a boundary edge */
2287 if (e.Orientation() == TopAbs_INTERNAL)
2288 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2290 // pass existing nodes of sub-meshes to MG-CADSurf
2293 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2294 const int nbNodes = (int) nodeDataVec.size();
2296 dcad_edge_discretization_t *dedge;
2297 dcad_get_edge_discretization(dcad, edg, &dedge);
2298 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2300 // cout << endl << " EDGE " << ic << endl;
2301 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2302 for ( int iN = 0; iN < nbNodes; ++iN )
2304 const UVPtStruct& nData = nodeDataVec[ iN ];
2305 double t = nData.param;
2306 real uv[2] = { nData.u, nData.v };
2307 SMESH_TNodeXYZ nXYZ = nData.node;
2308 // cout << "\tt = " << t
2309 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2310 // << "\t u = " << nData.param
2311 // << "\t ID = " << nData.node->GetID() << endl;
2312 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ.ChangeData() );
2314 TopoDS_Shape v = helper.GetSubShapeByNode( nodeDataVec[0].node, meshDS );
2315 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2316 dcad_edge_discretization_set_vertex_tag( dedge, 1, pmap.Add( v ));
2318 v = helper.GetSubShapeByNode( nodeDataVec.back().node, meshDS );
2319 if ( !v.IsNull() && v.ShapeType() == TopAbs_VERTEX )
2320 dcad_edge_discretization_set_vertex_tag( dedge, nbNodes, pmap.Add( v ));
2322 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2325 /****************************************************************************************
2327 *****************************************************************************************/
2332 gp_Pnt2d uv0 = curves.back()->Value(tmin);
2333 gp_Pnt p0 = surfaces.back()->Value( uv0.X(), uv0.Y() );
2335 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next())
2337 const TopoDS_Vertex& v = TopoDS::Vertex(ex_edge.Current());
2338 ip[ npts ] = pmap.Add(v);
2339 d [ npts ] = p0.SquareDistance(BRep_Tool::Pnt(v));
2342 if (HasSizeMapOnVertex)
2344 int vertexKey = VerticesWithSizeMap.FindIndex(v);
2345 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end())
2347 theSizeMapStr = VertexId2SizeMap[vertexKey];
2348 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2350 // Expr To Python function, verification is performed at validation in GUI
2351 gstate = PyGILState_Ensure();
2352 PyObject * obj = NULL;
2353 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2355 PyObject * func = NULL;
2356 func = PyObject_GetAttrString(main_mod, "f");
2357 VertexId2PythonSmp[*ip]=func;
2358 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2359 PyGILState_Release(gstate);
2362 } // loop on vertices
2364 if (npts != 2) { // should not happen
2365 MESSAGE("An edge does not have 2 extremities.");
2370 std::swap( ip[0], ip[1] );
2372 // This defines the curves extremity connectivity
2373 cad_edge_set_extremities (edg, ip[0], ip[1]);
2374 /* set the tag (color) to the same value as the extremity id : */
2375 cad_edge_set_extremities_tag(edg, ip[0], ip[1]);
2379 // ==============================
2380 // Add segments of enforced mesh
2381 // ==============================
2383 if ( enforcedMesh.HasSegmentsOnFace( f ))
2385 BLSURFPlugin_EnforcedMesh1D::Segmemnt seg;
2386 while ( enforcedMesh.NextSegment( seg, pmap ))
2388 curves.push_back( seg._pcurve );
2390 cad_edge_t *edg = cad_edge_new( fce, seg._tag, seg._u[0], seg._u[1],
2391 curv_fun,seg._pcurve.get());
2392 cad_edge_set_tag( edg, seg._tag );
2394 cad_edge_set_property( edg, EDGE_PROPERTY_SOFT_REQUIRED );
2395 cad_edge_set_property( edg, EDGE_PROPERTY_INTERNAL );
2397 cad_edge_set_extremities ( edg, seg._vTag[0], seg._vTag[1]);
2398 cad_edge_set_extremities_tag( edg, seg._vTag[0], seg._vTag[1]);
2400 dcad_edge_discretization_t *dedge;
2401 dcad_get_edge_discretization( dcad, edg, &dedge );
2402 dcad_edge_discretization_set_vertex_count( dedge, 2 );
2404 dcad_edge_discretization_set_vertex_coordinates( dedge, 1,
2406 &seg._uv[0].ChangeCoord(1),
2407 seg._xyz[0].ChangeData() );
2408 dcad_edge_discretization_set_vertex_coordinates( dedge, 2,
2410 &seg._uv[1].ChangeCoord(1),
2411 seg._xyz[1].ChangeData() );
2413 dcad_edge_discretization_set_vertex_tag( dedge, 1, seg._vTag[0] );
2414 dcad_edge_discretization_set_vertex_tag( dedge, 2, seg._vTag[1] );
2416 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2423 ///////////////////////
2425 ///////////////////////
2427 if (! _preCadFacesIDsPeriodicityVector.empty())
2429 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2430 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2431 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2432 int* theFace1_ids_c = &theFace1_ids[0];
2433 int* theFace2_ids_c = &theFace2_ids[0];
2434 std::ostringstream o;
2435 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2436 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2437 o << theFace1_ids[j] << ", ";
2439 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2440 o << theFace2_ids[j] << ", ";
2442 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2443 // cout << o.str() << endl;
2444 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2446 // If no source points, call periodicity without transformation function
2447 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2448 status = cad_add_face_multiple_periodicity_with_transformation_function
2449 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2450 (meshgems_integer) theFace2_ids.size(), periodicity_transformation, NULL);
2451 if(status != STATUS_OK)
2452 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2456 // get the transformation vertices
2457 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2458 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2459 int nbSourceVertices = (int)_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2460 int nbTargetVertices = (int)_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2462 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points
2463 (c, theFace1_ids_c, (meshgems_integer) theFace1_ids.size(), theFace2_ids_c,
2464 (meshgems_integer) theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2465 if(status != STATUS_OK)
2466 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2471 if (! _preCadEdgesIDsPeriodicityVector.empty())
2473 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2474 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2475 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2476 // Use the address of the first element of the vector to initialize the array
2477 int* theEdge1_ids_c = &theEdge1_ids[0];
2478 int* theEdge2_ids_c = &theEdge2_ids[0];
2480 std::ostringstream o;
2481 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2482 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2483 o << theEdge1_ids[j] << ", ";
2485 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2486 o << theEdge2_ids[j] << ", ";
2488 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2489 // cout << o.str() << endl;
2491 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2493 // If no source points, call periodicity without transformation function
2494 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2495 status = cad_add_edge_multiple_periodicity_with_transformation_function
2496 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2497 (meshgems_integer) theEdge2_ids.size(), periodicity_transformation, NULL);
2498 if(status != STATUS_OK)
2499 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2503 // get the transformation vertices
2504 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2505 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2506 int nbSourceVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2507 int nbTargetVertices = (int) _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2509 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points
2510 (c, theEdge1_ids_c, (meshgems_integer) theEdge1_ids.size(), theEdge2_ids_c,
2511 (meshgems_integer) theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2512 if(status != STATUS_OK)
2513 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2518 if ( !_hypothesis && !edgeSubmeshes.empty() && existingPhySize != 0 )
2520 // prevent failure due to the default PhySize incompatible with size of existing 1D mesh
2521 // and with face size
2522 // double minFaceSize = existingPhySize / edgeSubmeshes.size();
2523 // for ( int iF = 1; iF <= fmap.Extent(); ++iF )
2526 // BRepBndLib::Add( fmap( iF ), box );
2527 // gp_XYZ delta = box.CornerMax().XYZ() - box.CornerMin().XYZ();
2528 // std::sort( delta.ChangeData(), delta.ChangeData() + 3 );
2529 // minFaceSize = Min( minFaceSize, delta.Coord(2) );
2531 // set_param(css, "global_physical_size", val_to_string( minFaceSize * 0.5 ).c_str());
2532 // set_param(css, "max_size", val_to_string( minFaceSize * 5 ).c_str());
2534 std::string errorTxt;
2535 if ( !SMESHUtils_MGLicenseKeyGen::SignCAD( c, errorTxt ))
2536 return error( "Problem with library SalomeMeshGemsKeyGenerator: " + errorTxt );
2538 // Use the original dcad
2539 cadsurf_set_dcad(css, dcad);
2541 // Use the original cad
2542 cadsurf_set_cad(css, c);
2544 std::cout << std::endl;
2545 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2546 std::cout << std::endl;
2551 status = cadsurf_compute_mesh(css);
2554 catch ( std::exception& exc ) {
2555 _comment += exc.what();
2557 catch (Standard_Failure& ex) {
2558 _comment += ex.DynamicType()->Name();
2559 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2561 _comment += ex.GetMessageString();
2565 if ( _comment.empty() )
2566 _comment = "Exception in cadsurf_compute_mesh()";
2569 std::cout << std::endl;
2570 std::cout << "End of Surface Mesh generation" << std::endl;
2571 std::cout << std::endl;
2574 cadsurf_get_mesh(css, &msh);
2575 if ( !msh || STATUS_IS_ERROR( status ))
2577 /* release the mesh object */
2578 cadsurf_regain_mesh(css, msh);
2579 return error(_comment);
2582 // Clear mesh from already meshed edges if possible else
2583 // remember that merge is needed
2584 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2585 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2587 SMESHDS_SubMesh* smDS = *smIt;
2588 if ( !smDS ) continue;
2589 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2592 const SMDS_MeshNode* n = nIt->next();
2593 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2595 needMerge = true; // to correctly sew with viscous mesh
2596 // add existing medium nodes to helper
2597 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2599 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2600 while ( edgeIt->more() )
2601 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2606 if ( allowSubMeshClearing )
2608 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2609 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2610 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2611 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2620 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2622 GMFFileName = _hypothesis->GetGMFFile();
2623 if (GMFFileName != "")
2625 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2626 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2627 if (!asciiFound && !binaryFound)
2628 GMFFileName.append(".mesh");
2629 mesh_write_mesh(msh, GMFFileName.c_str());
2632 /* retrieve mesh data (see meshgems/mesh.h) */
2633 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2637 mesh_get_vertex_count (msh, &nv);
2638 mesh_get_edge_count (msh, &ne);
2639 mesh_get_triangle_count (msh, &nt);
2640 mesh_get_quadrangle_count(msh, &nq);
2642 using deleted_unique_ptr = std::unique_ptr<integer,std::function<void(integer*)>>;
2644 deleted_unique_ptr evedg_var((integer *)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2645 deleted_unique_ptr evtri_var((integer *)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2646 deleted_unique_ptr evquad_var((integer *)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2647 deleted_unique_ptr tags_buff_var((integer*)mesh_calloc_generic_buffer(msh), [](integer *ptr) { free(ptr); });
2649 integer *evedg(evedg_var.get()),*evtri(evtri_var.get()),*evquad(evquad_var.get()),*tags_buff(tags_buff_var.get());
2651 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2652 std::vector<bool> tags(nv+1);
2654 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2656 /* enumerated vertices */
2657 for ( int iv = 1; iv <= nv; iv++ )
2659 mesh_get_vertex_coordinates(msh, iv, xyz);
2660 mesh_get_vertex_tag(msh, iv, &tag);
2661 // Issue 0020656. Use vertex coordinates
2663 bool isEnforcedNode = false;
2666 if ( tag <= pmap.Extent() )
2668 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2669 double tol = BRep_Tool::Tolerance( v );
2670 gp_Pnt p = BRep_Tool::Pnt( v );
2671 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 1e3*tol))
2672 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2674 tag = 0; // enforced or attracted vertex
2675 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2678 isEnforcedNode = ( nodes[iv] = enforcedMesh.GetNodeByTag( tag, pmap ));
2681 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2683 // Create group of enforced vertices if requested
2684 projVertex.assign( xyz, xyz + 3 );
2685 auto enfCoordsIt = EnfVertexCoords2EnfVertexList.find( projVertex );
2686 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2688 for ( BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex : enfCoordsIt->second )
2689 if (currentEnfVertex->grpName != "")
2691 SMDS_MeshGroup* groupDS = nullptr;
2692 for ( SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups(); grIt->more() && !groupDS; )
2694 SMESH_Group * group = grIt->next();
2695 SMESHDS_Group * grp = dynamic_cast< SMESHDS_Group* >( group->GetGroupDS() );
2697 grp->GetType() == SMDSAbs_Node &&
2698 currentEnfVertex->grpName == group->GetName() )
2699 groupDS = &grp->SMDSGroup();
2703 SMESH_Group * group = aMesh.AddGroup( SMDSAbs_Node, currentEnfVertex->grpName.c_str() );
2704 SMESHDS_Group * grp = static_cast< SMESHDS_Group* >( group->GetGroupDS() );
2705 groupDS = &grp->SMDSGroup();
2707 groupDS->Add( nodes[iv] );
2710 if ( isEnforcedNode )
2713 // internal points are tagged to zero
2714 if ( tag > 0 && tag <= pmap.Extent() )
2716 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2725 /* enumerate edges */
2726 for ( int it = 1; it <= ne; it++ )
2729 mesh_get_edge_vertices(msh, it, vtx);
2730 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2731 mesh_get_edge_tag(msh, it, &tag);
2733 // If PreCAD performed some cleaning operations (remove tiny edges,
2734 // merge edges ...) an output tag can indeed represent several original tags.
2735 // Get the initial tags corresponding to the output tag and redefine the tag as
2736 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2737 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2739 tag = tags_buff[ nb_tag-1 ];
2740 if ( tag < 1 || tag > emap.Extent() )
2742 if ( !enforcedMesh.IsSegmentTag( tag )) // it's a false INTERNAL EDGE of enforced mesh
2744 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2745 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")"
2750 if ( meshDS->ShapeToIndex( emap( tag )) == 0 )
2751 tag = enforcedMesh.GetTagOfSplitEdge( tag );
2754 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2755 tags[vtx[0]] = false;
2758 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2759 tags[vtx[1]] = false;
2761 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2763 if (tags[evedg[0]]) {
2764 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2765 tags[evedg[0]] = false;
2767 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2770 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2772 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2775 /* enumerate triangles */
2776 for(int it=1;it<=nt;it++) {
2778 mesh_get_triangle_vertices(msh, it, vtx);
2779 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2780 mesh_get_triangle_tag(msh, it, &tag);
2782 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2783 tags[vtx[0]] = false;
2786 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2787 tags[vtx[1]] = false;
2790 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2791 tags[vtx[2]] = false;
2793 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2794 // QUADRATIC TRIANGLE
2795 if (tags[evtri[0]]) {
2796 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2797 tags[evtri[0]] = false;
2799 if (tags[evtri[1]]) {
2800 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2801 tags[evtri[1]] = false;
2803 if (tags[evtri[2]]) {
2804 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2805 tags[evtri[2]] = false;
2807 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2808 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2811 if ( helper.GetIsQuadratic() )
2812 helper.SetSubShape( tag );
2813 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2815 meshDS->SetMeshElementOnShape(tri, tag);
2818 /* enumerate quadrangles */
2819 for(int it=1;it<=nq;it++) {
2820 SMDS_MeshFace* quad;
2821 mesh_get_quadrangle_vertices(msh, it, vtx);
2822 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2823 mesh_get_quadrangle_tag(msh, it, &tag);
2825 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2826 tags[vtx[0]] = false;
2829 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2830 tags[vtx[1]] = false;
2833 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2834 tags[vtx[2]] = false;
2837 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2838 tags[vtx[3]] = false;
2840 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2841 // QUADRATIC QUADRANGLE
2842 if (tags[evquad[0]]) {
2843 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2844 tags[evquad[0]] = false;
2846 if (tags[evquad[1]]) {
2847 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2848 tags[evquad[1]] = false;
2850 if (tags[evquad[2]]) {
2851 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2852 tags[evquad[2]] = false;
2854 if (tags[evquad[3]]) {
2855 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2856 tags[evquad[3]] = false;
2858 if (tags[evquad[4]]) {
2859 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2860 tags[evquad[4]] = false;
2862 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2863 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2867 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2869 meshDS->SetMeshElementOnShape(quad, tag);
2872 /* release the mesh object, the rest is released by cleaner */
2873 cadsurf_regain_mesh(css, msh);
2876 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2877 for(int iv=1;iv<=nv;iv++)
2878 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2879 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2882 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2884 SMESH_MeshEditor editor( &aMesh );
2885 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2886 TIDSortedElemSet segementsOnEdge;
2887 TSubMeshSet::iterator smIt;
2888 SMESHDS_SubMesh* smDS;
2890 // merge nodes on EDGE's with ones computed by MG-CADSurf
2891 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2893 if (! (smDS = *smIt) ) continue;
2894 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2896 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2897 while ( segIt->more() )
2898 segementsOnEdge.insert( segIt->next() );
2901 editor.MergeNodes( nodeGroupsToMerge );
2904 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2905 editor.FindEqualElements( segementsOnEdge, equalSegments );
2906 editor.MergeElements( equalSegments );
2908 // remove excess segments created on the boundary of viscous layers
2909 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2910 for ( int i = 1; i <= emap.Extent(); ++i )
2912 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2914 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2915 while ( segIt->more() )
2917 const SMDS_MeshElement* seg = segIt->next();
2918 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2919 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2920 meshDS->RemoveFreeElement( seg, smDS );
2927 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2928 for (int i = 1; i <= emap.Extent(); i++)
2929 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2930 sm->SetIsAlwaysComputed( true );
2931 for (int i = 1; i <= pmap.Extent(); i++)
2932 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2933 if ( !sm->IsMeshComputed() )
2934 sm->SetIsAlwaysComputed( true );
2936 // Set error to FACE's w/o elements
2937 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2938 if ( _comment.empty() && status == STATUS_OK )
2940 err = COMPERR_WARNING;
2941 _comment = "No mesh elements assigned to a face";
2943 bool badFaceFound = false;
2944 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2946 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2947 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2948 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2950 int faceTag = sm->GetId();
2951 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2953 // triangles are assigned to the first face of hyper-patch
2954 sm->SetIsAlwaysComputed( true );
2958 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2959 badFaceFound = true;
2963 if ( err == COMPERR_WARNING )
2967 if ( status != STATUS_OK && !badFaceFound ) {
2971 // Set event listeners
2973 for ( int iF = 1; iF <= fmap.Size(); ++iF )
2975 const TopoDS_Shape& face = fmap( iF );
2976 SetEventListener( aMesh.GetSubMesh( face ));
2979 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2981 if ( oldFEFlags > 0 )
2982 feenableexcept( oldFEFlags );
2983 feclearexcept( FE_ALL_EXCEPT );
2987 std::cout << "FacesWithSizeMap" << std::endl;
2988 FacesWithSizeMap.Statistics(std::cout);
2989 std::cout << "EdgesWithSizeMap" << std::endl;
2990 EdgesWithSizeMap.Statistics(std::cout);
2991 std::cout << "VerticesWithSizeMap" << std::endl;
2992 VerticesWithSizeMap.Statistics(std::cout);
2993 std::cout << "FacesWithEnforcedVertices" << std::endl;
2994 FacesWithEnforcedVertices.Statistics(std::cout);
2997 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
3000 //================================================================================
3002 * \brief Compute a mesh basing on discrete CAD description
3004 //================================================================================
3006 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
3008 if ( aMesh.NbFaces() == 0 )
3009 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
3011 context_t *ctx = context_new();
3012 if (!ctx) return error("Pb in context_new()");
3014 if ( aMesh.NbNodes() > std::numeric_limits< meshgems_integer >::max() ||
3015 aMesh.NbFaces() > std::numeric_limits< meshgems_integer >::max() )
3016 return error("Too large input mesh");
3018 BLSURF_Cleaner cleaner( ctx );
3020 message_cb_user_data mcud;
3021 mcud._error = & this->SMESH_Algo::_comment;
3022 mcud._progress = & this->SMESH_Algo::_progress;
3024 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
3025 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
3026 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
3028 cadsurf_session_t * css = cadsurf_session_new(ctx);
3029 if(!css) return error( "Pb. in cadsurf_session_new() " );
3033 // Fill an input mesh
3035 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
3036 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
3038 // mark nodes used by 2D elements
3039 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
3040 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
3041 while ( nodeIt->more() )
3043 const SMDS_MeshNode* n = nodeIt->next();
3044 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
3046 meshgems_mesh_set_vertex_count( msh, (meshgems_integer) meshDS->NbNodes() );
3048 // set node coordinates
3049 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
3051 meshDS->CompactMesh();
3054 nodeIt = meshDS->nodesIterator();
3056 for ( i = 1; nodeIt->more(); ++i )
3058 nXYZ.Set( nodeIt->next() );
3059 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ.ChangeData() );
3062 // set nodes of faces
3063 meshgems_mesh_set_triangle_count ( msh, (meshgems_integer) meshDS->GetMeshInfo().NbTriangles() );
3064 meshgems_mesh_set_quadrangle_count( msh, (meshgems_integer) meshDS->GetMeshInfo().NbQuadrangles() );
3065 meshgems_integer nodeIDs[4];
3066 meshgems_integer iT = 1, iQ = 1;
3067 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
3068 while ( faceIt->more() )
3070 const SMDS_MeshElement* face = faceIt->next();
3071 meshgems_integer nbNodes = face->NbCornerNodes();
3072 if ( nbNodes > 4 || face->IsPoly() ) continue;
3074 for ( i = 0; i < nbNodes; ++i )
3075 nodeIDs[i] = (meshgems_integer) face->GetNode( i )->GetID();
3077 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
3079 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
3082 std::string errorTxt;
3083 if ( !SMESHUtils_MGLicenseKeyGen::SignMesh( msh, errorTxt ))
3084 return error( "Problem with library SalomeMeshGemsKeyGenerator: " + errorTxt );
3086 ret = cadsurf_set_mesh(css, msh);
3087 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
3092 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
3094 ret = cadsurf_compute_mesh(css);
3095 if ( ret != STATUS_OK ) return false;
3098 cadsurf_get_mesh(css, &omsh);
3099 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
3102 // Update SALOME mesh
3104 // remove quadrangles and triangles
3105 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
3107 const SMDS_MeshElement* face = faceIt->next();
3108 if ( !face->IsPoly() )
3109 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
3111 // remove edges that bound the just removed faces
3112 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
3114 const SMDS_MeshElement* edge = edgeIt->next();
3115 const SMDS_MeshNode* n0 = edge->GetNode(0);
3116 const SMDS_MeshNode* n1 = edge->GetNode(1);
3117 if ( n0->isMarked() &&
3119 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
3120 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
3121 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
3123 // remove nodes that just became free
3124 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
3126 const SMDS_MeshNode* n = nodeIt->next();
3127 if ( n->isMarked() && n->NbInverseElements() == 0 )
3128 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
3132 meshgems_integer nbvtx = 0, nodeID;
3133 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3134 meshgems_real xyz[3];
3135 for ( i = 1; i <= nbvtx; ++i )
3137 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3138 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3139 nodeID = (meshgems_integer) n->GetID();
3140 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3144 meshgems_integer nbtri = 0;
3145 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3146 const SMDS_MeshNode* nodes[4];
3147 for ( i = 1; i <= nbtri; ++i )
3149 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3150 for ( int j = 0; j < 3; ++j )
3152 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3153 nodes[j] = meshDS->FindNode( nodeID );
3155 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3159 meshgems_integer nbquad = 0;
3160 meshgems_mesh_get_quadrangle_count( omsh, &nbquad );
3161 for ( i = 1; i <= nbquad; ++i )
3163 meshgems_mesh_get_quadrangle_vertices( omsh, i, nodeIDs );
3164 for ( int j = 0; j < 4; ++j )
3166 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3167 nodes[j] = meshDS->FindNode( nodeID );
3169 meshDS->AddFace( nodes[0], nodes[1], nodes[2], nodes[3] );
3174 std::string GMFFileName = _hypothesis->GetGMFFile();
3175 if ( !GMFFileName.empty() )
3177 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.size()-5) != std::string::npos);
3178 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.size()-6) != std::string::npos);
3179 if ( !asciiFound && !binaryFound )
3180 GMFFileName.append(".mesh");
3181 mesh_write_mesh(msh, GMFFileName.c_str());
3185 cadsurf_regain_mesh(css, omsh);
3187 // as we don't assign the new triangles to a shape (the pseudo-shape),
3188 // we mark the shape as always computed to avoid the error messages
3189 // that no elements assigned to the shape
3190 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3195 //================================================================================
3197 * \brief Terminates computation
3199 //================================================================================
3201 void BLSURFPlugin_BLSURF::CancelCompute()
3203 _compute_canceled = true;
3206 //=============================================================================
3210 //=============================================================================
3212 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3213 const SMDS_MeshNode* node,
3214 const TopoDS_Shape& ed)
3216 const TopoDS_Edge edge = TopoDS::Edge(ed);
3218 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3220 Standard_Real p0 = 0.0;
3221 Standard_Real p1 = 1.0;
3222 TopLoc_Location loc;
3223 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3224 if ( curve.IsNull() )
3226 // issue 22499. Node at a sphere apex
3227 meshDS->SetNodeOnEdge(node, edge, p0);
3231 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3232 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3235 if ( proj.NbPoints() > 0 )
3237 pa = (double)proj.LowerDistanceParameter();
3238 // Issue 0020656. Move node if it is too far from edge
3239 gp_Pnt curve_pnt = curve->Value( pa );
3240 double dist2 = pnt.SquareDistance( curve_pnt );
3241 double tol = BRep_Tool::Tolerance( edge );
3242 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3244 curve_pnt.Transform( loc );
3245 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3249 meshDS->SetNodeOnEdge(node, edge, pa);
3252 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3254 * NOTE : if when your CAD systems evaluates second
3255 * order derivatives it also computes first order derivatives and
3256 * function evaluation, you can optimize this example by making only
3257 * one CAD call and filling the necessary uv, dt, dtt arrays.
3259 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3261 /* t is given. It contains the 1D parametric coordintaes
3262 of the point MG-CADSurf is querying on the curve */
3264 /* user_data identifies the edge MG-CADSurf is querying */
3265 const Geom2d_Curve* pargeo = (const Geom2d_Curve*) user_data;
3268 /* MG-CADSurf is querying the function evaluation */
3269 gp_Pnt2d P = pargeo->Value(t);
3270 uv[0]=P.X(); uv[1]=P.Y();
3274 /* query for the first order derivatives */
3275 gp_Vec2d V1 = pargeo->DN(t,1);
3276 dt[0]=V1.X(); dt[1]=V1.Y();
3280 /* query for the second order derivatives */
3281 gp_Vec2d V2 = pargeo->DN(t,2);
3282 dtt[0]=V2.X(); dtt[1]=V2.Y();
3288 /* Surface definition function.
3289 * See cad_surf_t in file meshgems/cad.h for more information.
3290 * NOTE : if when your CAD systems evaluates second order derivatives it also
3291 * computes first order derivatives and function evaluation, you can optimize
3292 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3295 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3296 real *duu, real *duv, real *dvv, void *user_data)
3298 /* uv[2] is given. It contains the u,v coordinates of the point
3299 * PreCAD/MG-CADSurf is querying on the surface */
3301 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3302 * cad_face_new later in this example)*/
3303 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3307 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3308 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3315 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3316 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3317 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3320 if(duu && duv && dvv){
3324 gp_Vec D2U,D2V,D2UV;
3326 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3327 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3328 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3329 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3336 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3338 TId2ClsAttractorVec::iterator f2attVec;
3339 if (FaceId2PythonSmp.count(face_id) != 0) {
3340 assert(Py_IsInitialized());
3341 PyGILState_STATE gstate;
3342 gstate = PyGILState_Ensure();
3343 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3345 if ( pyresult != NULL) {
3346 result = PyFloat_AsDouble(pyresult);
3347 Py_DECREF(pyresult);
3352 string err_description="";
3353 PyObject* new_stderr = newPyStdOut(err_description);
3354 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3355 Py_INCREF(old_stderr);
3356 PySys_SetObject((char*)"stderr", new_stderr);
3358 PySys_SetObject((char*)"stderr", old_stderr);
3359 Py_DECREF(new_stderr);
3360 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3361 result = *((real*)user_data);
3364 PyGILState_Release(gstate);
3366 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3370 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3371 for ( size_t i = 0; i < attVec.size(); ++i )
3373 //result += attVec[i]->GetSize(uv[0],uv[1]);
3374 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3376 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3380 *size = *((real*)user_data);
3382 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3386 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3388 if (EdgeId2PythonSmp.count(edge_id) != 0){
3389 assert(Py_IsInitialized());
3390 PyGILState_STATE gstate;
3391 gstate = PyGILState_Ensure();
3392 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3394 if ( pyresult != NULL) {
3395 result = PyFloat_AsDouble(pyresult);
3396 Py_DECREF(pyresult);
3401 string err_description="";
3402 PyObject* new_stderr = newPyStdOut(err_description);
3403 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3404 Py_INCREF(old_stderr);
3405 PySys_SetObject((char*)"stderr", new_stderr);
3407 PySys_SetObject((char*)"stderr", old_stderr);
3408 Py_DECREF(new_stderr);
3409 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3410 result = *((real*)user_data);
3413 PyGILState_Release(gstate);
3416 *size = *((real*)user_data);
3421 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3423 if (VertexId2PythonSmp.count(point_id) != 0){
3424 assert(Py_IsInitialized());
3425 PyGILState_STATE gstate;
3426 gstate = PyGILState_Ensure();
3427 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3429 if ( pyresult != NULL) {
3430 result = PyFloat_AsDouble(pyresult);
3431 Py_DECREF(pyresult);
3436 string err_description="";
3437 PyObject* new_stderr = newPyStdOut(err_description);
3438 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3439 Py_INCREF(old_stderr);
3440 PySys_SetObject((char*)"stderr", new_stderr);
3442 PySys_SetObject((char*)"stderr", old_stderr);
3443 Py_DECREF(new_stderr);
3444 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3445 result = *((real*)user_data);
3448 PyGILState_Release(gstate);
3451 *size = *((real*)user_data);
3457 * The following function will be called for PreCAD/MG-CADSurf message
3458 * printing. See context_set_message_callback (later in this
3459 * template) for how to set user_data.
3461 status_t message_cb(message_t *msg, void *user_data)
3463 integer errnumber = 0;
3465 message_get_number(msg, &errnumber);
3466 message_get_description(msg, &desc);
3468 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3469 // Get all the error message and some warning messages related to license and periodicity
3470 if ( errnumber < 0 ||
3471 err.find("license" ) != string::npos ||
3472 err.find("periodicity") != string::npos )
3474 // remove ^A from the tail
3475 size_t len = strlen( desc );
3476 while (len > 0 && desc[len-1] != '\n')
3478 mcud->_error->append( desc, len );
3481 if ( errnumber == 3009001 )
3482 * mcud->_progress = atof( desc + 11 ) / 100.;
3483 if ( mcud->_verbosity > 0 )
3484 std::cout << desc << std::endl;
3489 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3490 * function regularily. See the file meshgems/interrupt.h
3492 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3494 integer you_want_to_continue = 1;
3495 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3496 you_want_to_continue = !tmp->computeCanceled();
3498 if(you_want_to_continue)
3500 *interrupt_status = INTERRUPT_CONTINUE;
3503 else /* you want to stop MG-CADSurf */
3505 *interrupt_status = INTERRUPT_STOP;
3510 //=============================================================================
3514 //=============================================================================
3515 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3516 const TopoDS_Shape& aShape,
3517 MapShapeNbElems& aResMap)
3519 double diagonal = aMesh.GetShapeDiagonalSize();
3520 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3521 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3522 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3523 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3524 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3525 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3526 BLSURFPlugin_Hypothesis::ElementType _elementType = BLSURFPlugin_Hypothesis::GetDefaultElementType();
3528 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3529 _phySizeRel = _hypothesis->IsPhySizeRel();
3530 if ( _hypothesis->GetPhySize() > 0)
3531 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3532 //_geometricMesh = (int) hyp->GetGeometricMesh();
3533 if (_hypothesis->GetAngleMesh() > 0)
3534 _angleMesh = _hypothesis->GetAngleMesh();
3535 _elementType = _hypothesis->GetElementType();
3537 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3538 // GetDefaultPhySize() sometimes leads to computation failure
3539 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3542 bool IsQuadratic = _quadraticMesh;
3547 TopTools_DataMapOfShapeInteger EdgesMap;
3548 double fullLen = 0.0;
3549 double fullNbSeg = 0;
3550 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3551 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3552 if( EdgesMap.IsBound(E) )
3554 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3555 double aLen = SMESH_Algo::EdgeLength(E);
3558 if(_physicalMesh==1) {
3559 nb1d = (int)( aLen/_phySize + 1 );
3564 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3565 double fullAng = 0.0;
3566 double dp = (l-f)/200;
3571 for(int j=2; j<=200; j++) {
3574 fullAng += fabs(V1.Angle(V2));
3578 nb1d = (int)( fullAng/_angleMesh + 1 );
3581 std::vector<smIdType> aVec(SMDSEntity_Last);
3582 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3583 if( IsQuadratic > 0 ) {
3584 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3585 aVec[SMDSEntity_Quad_Edge] = nb1d;
3588 aVec[SMDSEntity_Node] = nb1d - 1;
3589 aVec[SMDSEntity_Edge] = nb1d;
3591 aResMap.insert(std::make_pair(sm,aVec));
3592 EdgesMap.Bind(E,nb1d);
3594 double ELen = fullLen/fullNbSeg;
3598 // try to evaluate as in MEFISTO
3599 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3600 TopoDS_Face F = TopoDS::Face( exp.Current() );
3601 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3603 BRepGProp::SurfaceProperties(F,G);
3604 double anArea = G.Mass();
3606 std::vector<int> nb1dVec;
3607 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3608 int nbSeg = EdgesMap.Find(exp1.Current());
3610 nb1dVec.push_back( nbSeg );
3613 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3614 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3615 if ( _elementType != BLSURFPlugin_Hypothesis::Quadrangles )
3617 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3619 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3621 nbNodes = (n1 + 1) * (n2 + 1);
3626 nbTria = nbQuad = nbTria / 3 + 1;
3629 std::vector<smIdType> aVec(SMDSEntity_Last,0);
3631 int nb1d_in = (nbTria*3 - nb1d) / 2;
3632 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3633 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3634 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3637 aVec[SMDSEntity_Node] = nbNodes;
3638 aVec[SMDSEntity_Triangle] = nbTria;
3639 aVec[SMDSEntity_Quadrangle] = nbQuad;
3641 aResMap.insert(std::make_pair(sm,aVec));
3648 BRepGProp::VolumeProperties(aShape,G);
3649 double aVolume = G.Mass();
3650 double tetrVol = 0.1179*ELen*ELen*ELen;
3651 int nbVols = int(aVolume/tetrVol);
3652 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3653 std::vector<smIdType> aVec(SMDSEntity_Last);
3654 for(smIdType i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3656 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3657 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3660 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3661 aVec[SMDSEntity_Tetra] = nbVols;
3663 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3664 aResMap.insert(std::make_pair(sm,aVec));
3669 //================================================================================
3671 * \brief Find TopoDS_Shape for each hyper-patch study entry in a hypothesis
3673 //================================================================================
3675 void BLSURFPlugin_BLSURF::FillEntryToShape( const BLSURFPlugin_Hypothesis* hyp,
3676 std::map< std::string, TopoDS_Shape > & entryToShape )
3678 SMESH_Gen_i* smeshGen = SMESH_Gen_i::GetSMESHGen();
3679 for ( const ::BLSURFPlugin_Hypothesis::THyperPatchEntries& entries : hyp->GetHyperPatchEntries() )
3680 for ( const std::string& entry : entries )
3682 GEOM::GEOM_Object_var go = smeshGen->GetGeomObjectByEntry( entry );
3683 TopoDS_Shape shape = smeshGen->GeomObjectToShape( go );
3684 if ( !shape.IsNull() )
3685 entryToShape.insert({ entry, shape });
3689 //================================================================================
3691 * \brief Sets event listener to submeshes if enforced mesh is defined
3692 * \param subMesh - submesh where algo is set
3694 * This method is called when a submesh gets HYP_OK algo_state.
3695 * After being set, event listener is notified on each event of a submesh.
3696 * By default none listener is set
3698 //================================================================================
3700 void BLSURFPlugin_BLSURF::SetEventListener(SMESH_subMesh* faceSubMesh)
3705 for ( const BLSURFPlugin_Hypothesis::EnforcedMesh& enfMesh : _hypothesis->GetEnforcedMeshes() )
3708 _hypothesis->GetEnforcedSegments( enfMesh, mesh1D );
3712 TopExp_Explorer edgeExp( mesh1D->GetShapeToMesh(), TopAbs_EDGE );
3713 if ( edgeExp.More() )
3714 StdMeshers_ProjectionUtils::SetEventListener( faceSubMesh,
3717 // StdMeshers_ProjectionUtils::SetEventListener( faceSubMesh,
3718 // mesh1D->GetShapeToMesh(),
3724 //================================================================================
3726 * \brief Allow algo to do something after persistent restoration
3727 * \param subMesh - restored submesh
3729 * This method is called only if a submesh has HYP_OK algo_state.
3731 //================================================================================
3733 void BLSURFPlugin_BLSURF::SubmeshRestored(SMESH_subMesh* subMesh)
3735 SetEventListener( subMesh );