1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 // File : BLSURFPlugin_BLSURF.cxx
22 // Authors : Francis KLOSS (OCC) & Patrick LAUG (INRIA) & Lioka RAZAFINDRAZAKA (CEA)
23 // & Aurelien ALLEAUME (DISTENE)
24 // Size maps developement: Nicolas GEIMER (OCC) & Gilles DAVID (EURIWARE)
27 #include "BLSURFPlugin_BLSURF.hxx"
28 #include "BLSURFPlugin_Hypothesis.hxx"
29 #include "BLSURFPlugin_Attractor.hxx"
32 #include <meshgems/meshgems.h>
33 #include <meshgems/cadsurf.h>
36 #include <structmember.h>
39 #include <Basics_Utils.hxx>
40 #include <Basics_OCCTVersion.hxx>
42 #include <SMDS_EdgePosition.hxx>
43 #include <SMESHDS_Group.hxx>
44 #include <SMESH_Gen.hxx>
45 #include <SMESH_Group.hxx>
46 #include <SMESH_Mesh.hxx>
47 #include <SMESH_MeshEditor.hxx>
48 #include <SMESH_MesherHelper.hxx>
49 #include <StdMeshers_FaceSide.hxx>
50 #include <StdMeshers_ViscousLayers2D.hxx>
51 #include <SMESH_File.hxx>
53 #include <utilities.h>
61 // OPENCASCADE includes
62 #include <BRepBuilderAPI_MakeFace.hxx>
63 #include <BRepBuilderAPI_MakePolygon.hxx>
64 #include <BRepBuilderAPI_MakeWire.hxx>
65 #include <BRepGProp.hxx>
66 #include <BRepTools.hxx>
67 #include <BRep_Builder.hxx>
68 #include <BRep_Tool.hxx>
69 #include <GProp_GProps.hxx>
70 #include <Geom2d_Curve.hxx>
71 #include <Geom2d_Line.hxx>
72 #include <GeomAPI_ProjectPointOnCurve.hxx>
73 #include <GeomAPI_ProjectPointOnSurf.hxx>
74 #include <Geom_Curve.hxx>
75 #include <Geom_Surface.hxx>
76 #include <NCollection_DataMap.hxx>
77 #include <NCollection_Map.hxx>
78 #include <Standard_ErrorHandler.hxx>
80 #include <TopExp_Explorer.hxx>
81 #include <TopTools_DataMapOfShapeInteger.hxx>
82 #include <TopTools_IndexedMapOfShape.hxx>
83 #include <TopTools_MapOfShape.hxx>
85 #include <TopoDS_Compound.hxx>
86 #include <TopoDS_Edge.hxx>
87 #include <TopoDS_Face.hxx>
88 #include <TopoDS_Shape.hxx>
89 #include <TopoDS_Vertex.hxx>
90 #include <TopoDS_Wire.hxx>
92 #include <gp_Pnt2d.hxx>
102 /* ==================================
103 * =========== PYTHON ==============
104 * ==================================*/
115 PyStdOut_dealloc(PyStdOut *self)
121 PyStdOut_write(PyStdOut *self, PyObject *args)
125 if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
128 *(self->out)=*(self->out)+c;
134 static PyMethodDef PyStdOut_methods[] = {
135 {"write", (PyCFunction)PyStdOut_write, METH_VARARGS,
136 PyDoc_STR("write(string) -> None")},
137 {NULL, NULL} /* sentinel */
140 static PyMemberDef PyStdOut_memberlist[] = {
141 {(char*)"softspace", T_INT, offsetof(PyStdOut, softspace), 0,
142 (char*)"flag indicating that a space needs to be printed; used by print"},
143 {NULL} /* Sentinel */
146 static PyTypeObject PyStdOut_Type = {
147 /* The ob_type field must be initialized in the module init function
148 * to be portable to Windows without using C++. */
149 PyVarObject_HEAD_INIT(NULL, 0)
151 sizeof(PyStdOut), /*tp_basicsize*/
154 (destructor)PyStdOut_dealloc, /*tp_dealloc*/
161 0, /*tp_as_sequence*/
166 PyObject_GenericGetAttr, /*tp_getattro*/
167 /* softspace is writable: we must supply tp_setattro */
168 PyObject_GenericSetAttr, /* tp_setattro */
170 Py_TPFLAGS_DEFAULT, /*tp_flags*/
174 0, /*tp_richcompare*/
175 0, /*tp_weaklistoffset*/
178 PyStdOut_methods, /*tp_methods*/
179 PyStdOut_memberlist, /*tp_members*/
193 PyObject * newPyStdOut( std::string& out )
195 PyStdOut* self = PyObject_New(PyStdOut, &PyStdOut_Type);
200 return (PyObject*)self;
205 ////////////////////////END PYTHON///////////////////////////
207 //////////////////MY MAPS////////////////////////////////////////
209 TopTools_IndexedMapOfShape FacesWithSizeMap;
210 std::map<int,string> FaceId2SizeMap;
211 TopTools_IndexedMapOfShape EdgesWithSizeMap;
212 std::map<int,string> EdgeId2SizeMap;
213 TopTools_IndexedMapOfShape VerticesWithSizeMap;
214 std::map<int,string> VertexId2SizeMap;
216 std::map<int,PyObject*> FaceId2PythonSmp;
217 std::map<int,PyObject*> EdgeId2PythonSmp;
218 std::map<int,PyObject*> VertexId2PythonSmp;
220 typedef std::map<int, std::vector< BLSURFPlugin_Attractor* > > TId2ClsAttractorVec;
221 TId2ClsAttractorVec FaceId2ClassAttractor;
222 TId2ClsAttractorVec FaceIndex2ClassAttractor;
223 std::map<int,std::vector<double> > FaceId2AttractorCoords;
226 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
227 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
228 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
229 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
230 SMESH_MesherHelper* theHelper;
232 bool HasSizeMapOnFace=false;
233 bool HasSizeMapOnEdge=false;
234 bool HasSizeMapOnVertex=false;
235 //bool HasAttractorOnFace=false;
237 //=============================================================================
241 //=============================================================================
243 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId,
246 : SMESH_2D_Algo(hypId, gen)
248 _name = theHasGEOM ? "MG-CADSurf" : "MG-CADSurf_NOGEOM";//"BLSURF";
249 _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
250 _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType(theHasGEOM));
252 _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
253 _requireDiscreteBoundary = false;
254 _onlyUnaryInput = false;
256 _supportSubmeshes = true;
257 _requireShape = theHasGEOM;
259 /* Initialize the Python interpreter */
260 assert(Py_IsInitialized());
261 PyGILState_STATE gstate;
262 gstate = PyGILState_Ensure();
265 main_mod = PyImport_AddModule("__main__");
268 main_dict = PyModule_GetDict(main_mod);
270 PyRun_SimpleString("from math import *");
271 PyGILState_Release(gstate);
273 FacesWithSizeMap.Clear();
274 FaceId2SizeMap.clear();
275 EdgesWithSizeMap.Clear();
276 EdgeId2SizeMap.clear();
277 VerticesWithSizeMap.Clear();
278 VertexId2SizeMap.clear();
279 FaceId2PythonSmp.clear();
280 EdgeId2PythonSmp.clear();
281 VertexId2PythonSmp.clear();
282 FaceId2AttractorCoords.clear();
283 FaceId2ClassAttractor.clear();
284 FaceIndex2ClassAttractor.clear();
285 FacesWithEnforcedVertices.Clear();
286 FaceId2EnforcedVertexCoords.clear();
287 EnfVertexCoords2ProjVertex.clear();
288 EnfVertexCoords2EnfVertexList.clear();
290 _compute_canceled = false;
293 //=============================================================================
297 //=============================================================================
299 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
304 //=============================================================================
308 //=============================================================================
310 bool BLSURFPlugin_BLSURF::CheckHypothesis
312 const TopoDS_Shape& aShape,
313 SMESH_Hypothesis::Hypothesis_Status& aStatus)
316 _haveViscousLayers = false;
318 list<const SMESHDS_Hypothesis*>::const_iterator itl;
319 const SMESHDS_Hypothesis* theHyp;
321 const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
322 /*ignoreAuxiliary=*/false);
323 aStatus = SMESH_Hypothesis::HYP_OK;
326 return true; // can work with no hypothesis
329 for ( itl = hyps.begin(); itl != hyps.end() && ( aStatus == HYP_OK ); ++itl )
332 string hypName = theHyp->GetName();
333 if ( hypName == BLSURFPlugin_Hypothesis::GetHypType(true) ||
334 hypName == BLSURFPlugin_Hypothesis::GetHypType(false) )
336 _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
338 if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
339 _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
340 // hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
341 aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
343 else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
345 if ( !_haveViscousLayers )
347 if ( error( StdMeshers_ViscousLayers2D::CheckHypothesis( aMesh, aShape, aStatus )))
348 _haveViscousLayers = true;
353 aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
356 return aStatus == SMESH_Hypothesis::HYP_OK;
359 //=============================================================================
361 * Pass parameters to MG-CADSurf
363 //=============================================================================
365 inline std::string val_to_string(double d)
367 std::ostringstream o;
372 inline std::string val_to_string_rel(double d)
374 std::ostringstream o;
380 inline std::string val_to_string(int i)
382 std::ostringstream o;
387 inline std::string val_to_string_rel(int i)
389 std::ostringstream o;
395 double _smp_phy_size;
396 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
397 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
398 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
405 /////////////////////////////////////////////////////////
407 projectionPoint getProjectionPoint(TopoDS_Face& theFace, const gp_Pnt& thePoint)
409 projectionPoint myPoint;
411 if ( theFace.IsNull() )
413 TopoDS_Shape foundFace, myShape = theHelper->GetSubShape();
414 TopTools_MapOfShape checkedFaces;
415 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > > dist2face;
417 for ( TopExp_Explorer exp ( myShape, TopAbs_FACE ); exp.More(); exp.Next())
419 const TopoDS_Face& face = TopoDS::Face( exp.Current() );
420 if ( !checkedFaces.Add( face )) continue;
422 // check distance to face
423 Handle(ShapeAnalysis_Surface) surface = theHelper->GetSurface( face );
424 gp_Pnt2d uv = surface->ValueOfUV( thePoint, Precision::Confusion());
425 double distance = surface->Gap();
426 if ( distance > Precision::Confusion() )
428 // the face is far, store for future analysis
429 dist2face.insert( std::make_pair( distance, std::make_pair( face, uv )));
433 // check location on the face
434 BRepClass_FaceClassifier FC( face, uv, BRep_Tool::Tolerance( face ));
435 if ( FC.State() == TopAbs_IN )
437 if ( !foundFace.IsNull() )
438 return myPoint; // thePoint seems to be TopAbs_ON
440 myPoint.uv = uv.XY();
441 myPoint.xyz = surface->Value( uv ).XYZ();
444 if ( FC.State() == TopAbs_ON )
448 if ( foundFace.IsNull() )
450 // find the closest face
451 std::map< double, std::pair< TopoDS_Face, gp_Pnt2d > >::iterator d2f = dist2face.begin();
452 for ( ; d2f != dist2face.end(); ++d2f )
454 const TopoDS_Face& face = d2f->second.first;
455 const gp_Pnt2d & uv = d2f->second.second;
456 BRepClass_FaceClassifier FC( face, uv, Precision::Confusion());
457 if ( FC.State() == TopAbs_IN )
460 myPoint.uv = uv.XY();
461 myPoint.xyz = theHelper->GetSurface( face )->Value( uv ).XYZ();
466 // set the resultShape
467 // if ( foundFace.IsNull() )
468 // throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
469 // "getProjectionPoint: can't find a face by a vertex");
470 theFace = TopoDS::Face( foundFace );
474 Handle(Geom_Surface) surface = BRep_Tool::Surface( theFace );
475 GeomAPI_ProjectPointOnSurf projector( thePoint, surface );
476 if ( !projector.IsDone() || projector.NbPoints()==0 )
477 throw SMESH_ComputeError(COMPERR_BAD_PARMETERS,
478 "getProjectionPoint: can't project a vertex to a face");
480 Quantity_Parameter u,v;
481 projector.LowerDistanceParameters(u,v);
482 myPoint.uv = gp_XY(u,v);
483 gp_Pnt aPnt = projector.NearestPoint();
484 myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
486 BRepClass_FaceClassifier FC( theFace, myPoint.uv, Precision::Confusion());
487 if ( FC.State() != TopAbs_IN )
494 /////////////////////////////////////////////////////////
495 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
497 GEOM::GEOM_Object_var aGeomObj;
498 TopoDS_Shape S = TopoDS_Shape();
499 SALOMEDS::SObject_var aSObj = SMESH_Gen_i::getStudyServant()->FindObjectID( entry.c_str() );
500 if (!aSObj->_is_nil()) {
501 CORBA::Object_var obj = aSObj->GetObject();
502 aGeomObj = GEOM::GEOM_Object::_narrow(obj);
505 if ( !aGeomObj->_is_nil() )
506 S = SMESH_Gen_i::GetSMESHGen()->GeomObjectToShape( aGeomObj.in() );
510 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
512 BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
514 // Find the face and get the (u,v) values of the enforced vertex on the face
515 projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
516 if ( faceShape.IsNull() )
519 enf_coords.push_back(aPnt.X());
520 enf_coords.push_back(aPnt.Y());
521 enf_coords.push_back(aPnt.Z());
523 coords.push_back(myPoint.uv.X());
524 coords.push_back(myPoint.uv.Y());
525 coords.push_back(myPoint.xyz.X());
526 coords.push_back(myPoint.xyz.Y());
527 coords.push_back(myPoint.xyz.Z());
529 s_coords.push_back(myPoint.xyz.X());
530 s_coords.push_back(myPoint.xyz.Y());
531 s_coords.push_back(myPoint.xyz.Z());
533 // Save pair projected vertex / enf vertex
534 EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
535 pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
536 BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
537 ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
538 if (ret.second == false) {
540 (*it)->grpName = enfVertex->grpName;
544 if (! FacesWithEnforcedVertices.Contains(faceShape)) {
545 key = FacesWithEnforcedVertices.Add(faceShape);
548 key = FacesWithEnforcedVertices.FindIndex(faceShape);
551 // If a node is already created by an attractor, do not create enforced vertex
552 int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
553 bool sameAttractor = false;
554 if (attractorKey >= 0)
555 if (FaceId2AttractorCoords.count(attractorKey) > 0)
556 if (FaceId2AttractorCoords[attractorKey] == coords)
557 sameAttractor = true;
559 if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
561 FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
564 if (! sameAttractor) {
565 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
567 FaceId2EnforcedVertexCoords[key] = ens;
572 /////////////////////////////////////////////////////////
573 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
575 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
578 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
580 for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
581 enfVertex = *enfVertexListIt;
582 // Case of manual coords
583 if (enfVertex->coords.size() != 0) {
584 aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
585 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
588 // Case of geom vertex coords
589 if (enfVertex->geomEntry != "") {
590 TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
591 TopAbs_ShapeEnum GeomType = GeomShape.ShapeType();
592 if (GeomType == TopAbs_VERTEX)
594 enfVertex->vertex = TopoDS::Vertex( GeomShape );
595 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
596 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
599 if (GeomType == TopAbs_COMPOUND)
601 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next())
602 if (it.Value().ShapeType() == TopAbs_VERTEX)
604 enfVertex->vertex = TopoDS::Vertex( it.Value() );
605 aPnt = BRep_Tool::Pnt( enfVertex->vertex );
606 _createEnforcedVertexOnFace( TopoDS::Face(faceShape), aPnt, enfVertex);
613 /////////////////////////////////////////////////////////
614 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
616 double xa, ya, za; // Coordinates of attractor point
617 double a, b; // Attractor parameter
619 bool createNode=false; // To create a node on attractor projection
621 const char *sep = ";";
622 // atIt->second has the following pattern:
623 // ATTRACTOR(xa;ya;za;a;b;True|False;d)
625 // xa;ya;za : coordinates of attractor
626 // a : desired size on attractor
627 // b : distance of influence of attractor
628 // d : distance until which the size remains constant
630 // We search the parameters in the string
632 pos1 = AttractorFunction.find(sep);
633 if (pos1!=string::npos)
634 xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
636 pos2 = AttractorFunction.find(sep, pos1+1);
637 if (pos2!=string::npos) {
638 ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
642 pos2 = AttractorFunction.find(sep, pos1+1);
643 if (pos2!=string::npos) {
644 za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
648 pos2 = AttractorFunction.find(sep, pos1+1);
649 if (pos2!=string::npos) {
650 a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
654 pos2 = AttractorFunction.find(sep, pos1+1);
655 if (pos2!=string::npos) {
656 b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
660 pos2 = AttractorFunction.find(sep, pos1+1);
661 if (pos2!=string::npos) {
662 string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
663 createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
667 pos2 = AttractorFunction.find(")");
668 if (pos2!=string::npos) {
669 d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
672 // Get the (u,v) values of the attractor on the face
673 projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
674 gp_XY uvPoint = myPoint.uv;
675 gp_XYZ xyzPoint = myPoint.xyz;
676 Standard_Real u0 = uvPoint.X();
677 Standard_Real v0 = uvPoint.Y();
678 Standard_Real x0 = xyzPoint.X();
679 Standard_Real y0 = xyzPoint.Y();
680 Standard_Real z0 = xyzPoint.Z();
681 std::vector<double> coords;
682 coords.push_back(u0);
683 coords.push_back(v0);
684 coords.push_back(x0);
685 coords.push_back(y0);
686 coords.push_back(z0);
687 // We construct the python function
688 ostringstream attractorFunctionStream;
689 attractorFunctionStream << "def f(u,v): return ";
690 attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
691 //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
692 // rnc: make possible to keep the size constant until
693 // a defined distance. Distance is expressed as the positiv part
694 // of r-d where r is the distance to (u0,v0)
695 attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
698 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
699 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
702 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
704 FaceId2SizeMap[key] =attractorFunctionStream.str();
706 FaceId2AttractorCoords[key] = coords;
708 // // Test for new attractors
709 // gp_Pnt myP(xyzPoint);
710 // TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
711 // BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
712 // myAttractor.SetParameters(a, defaultSize, b, d);
713 // myAttractor.SetType(1);
714 // FaceId2ClassAttractor[key] = myAttractor;
715 // if(FaceId2ClassAttractor[key].GetFace().IsNull()){
719 // One sub-shape to get ids from
720 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(const TopoDS_Shape& theMainShape,
721 const TopoDS_Shape& theSubShape,
722 TopAbs_ShapeEnum theShapeType)
724 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
726 TopTools_MapOfShape subShapes;
727 TopTools_IndexedMapOfShape anIndices;
728 TopExp::MapShapes(theMainShape, theShapeType, anIndices);
730 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
732 if ( subShapes.Add( face_iter.Current() )) // issue 23416
734 int face_id = anIndices.FindIndex( face_iter.Current() );
736 throw SALOME_Exception( "Periodicity: sub_shape not found in main_shape");
737 face_ids.push_back( face_id );
743 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(SMESH_Mesh* theMesh,
744 TopoDS_Shape theSubShape,
745 TopAbs_ShapeEnum theShapeType)
747 BLSURFPlugin_BLSURF::TListOfIDs face_ids;
749 for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
751 int face_id = theMesh->GetMeshDS()->ShapeToIndex(face_iter.Current());
753 throw SALOME_Exception ( "Periodicity: sub_shape not found in main_shape");
754 face_ids.push_back(face_id);
760 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
762 for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
764 BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
765 addCoordsFromVertex(theVertexEntry, theVerticesCoords);
770 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
772 if (theVertexEntry!="")
774 TopoDS_Shape aShape = entryToShape(theVertexEntry);
776 gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
777 double theX, theY, theZ;
782 theVerticesCoords.push_back(theX);
783 theVerticesCoords.push_back(theY);
784 theVerticesCoords.push_back(theZ);
788 /////////////////////////////////////////////////////////
789 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
791 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
792 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
794 TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
795 TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
797 TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
798 preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
799 preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
801 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
802 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
804 _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
807 /////////////////////////////////////////////////////////
808 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
810 TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
811 TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
813 TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
814 TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
816 TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
817 preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
818 preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
820 addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
821 addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
823 _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
827 /////////////////////////////////////////////////////////
829 void BLSURFPlugin_BLSURF::SetParameters(const BLSURFPlugin_Hypothesis* hyp,
830 cadsurf_session_t * css,
831 const TopoDS_Shape& theGeomShape)
834 // Clear map so that it is not stored in the algorithm with old enforced vertices in it
835 FacesWithSizeMap.Clear();
836 FaceId2SizeMap.clear();
837 EdgesWithSizeMap.Clear();
838 EdgeId2SizeMap.clear();
839 VerticesWithSizeMap.Clear();
840 VertexId2SizeMap.clear();
841 FaceId2PythonSmp.clear();
842 EdgeId2PythonSmp.clear();
843 VertexId2PythonSmp.clear();
844 FaceId2AttractorCoords.clear();
845 FaceId2ClassAttractor.clear();
846 FaceIndex2ClassAttractor.clear();
847 FacesWithEnforcedVertices.Clear();
848 FaceId2EnforcedVertexCoords.clear();
849 EnfVertexCoords2ProjVertex.clear();
850 EnfVertexCoords2EnfVertexList.clear();
852 double diagonal = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
853 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
854 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
855 int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
856 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
857 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
858 double _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
859 bool _minSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
860 double _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
861 bool _maxSizeRel = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
862 double _use_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseGradation();
863 double _gradation = BLSURFPlugin_Hypothesis::GetDefaultGradation();
864 double _use_volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultUseVolumeGradation();
865 double _volume_gradation = BLSURFPlugin_Hypothesis::GetDefaultVolumeGradation();
866 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
867 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
868 double _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
869 bool _anisotropic = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
870 double _anisotropicRatio = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
871 bool _removeTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
872 double _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
873 bool _optimiseTinyEdges = BLSURFPlugin_Hypothesis::GetDefaultOptimiseTinyEdges();
874 double _tinyEdgeOptimisLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeOptimisationLength(diagonal);
875 bool _correctSurfaceIntersec= BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersection();
876 double _corrSurfaceIntersCost = BLSURFPlugin_Hypothesis::GetDefaultCorrectSurfaceIntersectionMaxCost();
877 bool _badElementRemoval = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
878 double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
879 bool _optimizeMesh = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
880 bool _quadraticMesh = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
881 int _verb = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
882 //int _topology = BLSURFPlugin_Hypothesis::GetDefaultTopology();
885 //int _precadMergeEdges = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
886 //int _precadRemoveDuplicateCADFaces = BLSURFPlugin_Hypothesis::GetDefaultPreCADRemoveDuplicateCADFaces();
887 //int _precadProcess3DTopology = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
888 //int _precadDiscardInput = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
890 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
893 _physicalMesh = (int) hyp->GetPhysicalMesh();
894 _geometricMesh = (int) hyp->GetGeometricMesh();
895 if (hyp->GetPhySize() > 0) {
896 _phySize = hyp->GetPhySize();
897 // if user size is not explicitly specified, "relative" flag is ignored
898 _phySizeRel = hyp->IsPhySizeRel();
900 if (hyp->GetMinSize() > 0) {
901 _minSize = hyp->GetMinSize();
902 // if min size is not explicitly specified, "relative" flag is ignored
903 _minSizeRel = hyp->IsMinSizeRel();
905 if (hyp->GetMaxSize() > 0) {
906 _maxSize = hyp->GetMaxSize();
907 // if max size is not explicitly specified, "relative" flag is ignored
908 _maxSizeRel = hyp->IsMaxSizeRel();
910 _use_gradation = hyp->GetUseGradation();
911 if (hyp->GetGradation() > 0 && _use_gradation)
912 _gradation = hyp->GetGradation();
913 _use_volume_gradation = hyp->GetUseVolumeGradation();
914 if (hyp->GetVolumeGradation() > 0 && _use_volume_gradation )
915 _volume_gradation = hyp->GetVolumeGradation();
916 _quadAllowed = hyp->GetQuadAllowed();
917 if (hyp->GetAngleMesh() > 0)
918 _angleMesh = hyp->GetAngleMesh();
919 if (hyp->GetChordalError() > 0)
920 _chordalError = hyp->GetChordalError();
921 _anisotropic = hyp->GetAnisotropic();
922 if (hyp->GetAnisotropicRatio() >= 0)
923 _anisotropicRatio = hyp->GetAnisotropicRatio();
924 _removeTinyEdges = hyp->GetRemoveTinyEdges();
925 if (hyp->GetTinyEdgeLength() > 0)
926 _tinyEdgeLength = hyp->GetTinyEdgeLength();
927 _optimiseTinyEdges = hyp->GetOptimiseTinyEdges();
928 if (hyp->GetTinyEdgeOptimisationLength() > 0)
929 _tinyEdgeOptimisLength = hyp->GetTinyEdgeOptimisationLength();
930 _correctSurfaceIntersec = hyp->GetCorrectSurfaceIntersection();
931 if (hyp->GetCorrectSurfaceIntersectionMaxCost() > 0)
932 _corrSurfaceIntersCost = hyp->GetCorrectSurfaceIntersectionMaxCost();
933 _badElementRemoval = hyp->GetBadElementRemoval();
934 if (hyp->GetBadElementAspectRatio() >= 0)
935 _badElementAspectRatio = hyp->GetBadElementAspectRatio();
936 _optimizeMesh = hyp->GetOptimizeMesh();
937 _quadraticMesh = hyp->GetQuadraticMesh();
938 _verb = hyp->GetVerbosity();
939 //_topology = (int) hyp->GetTopology();
941 //_precadMergeEdges = hyp->GetPreCADMergeEdges();
942 //_precadRemoveDuplicateCADFaces = hyp->GetPreCADRemoveDuplicateCADFaces();
943 //_precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
944 //_precadDiscardInput = hyp->GetPreCADDiscardInput();
946 const BLSURFPlugin_Hypothesis::TOptionValues& opts = hyp->GetOptionValues();
947 BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
948 for ( opIt = opts.begin(); opIt != opts.end(); ++opIt ){
949 MESSAGE("OptionValue: " << opIt->first.c_str() << ", value: " << opIt->second.c_str());
950 if ( !opIt->second.empty() ) {
951 // With MeshGems 2.4-5, there are issues with periodicity and multithread
952 // => As a temporary workaround, we enforce to use only one thread if periodicity is used.
953 if (opIt->first == "max_number_of_threads" && opIt->second != "1" && ! preCadFacesPeriodicityVector.empty()){
954 std::cout << "INFO: Disabling multithread to avoid periodicity issues" << std::endl;
955 set_param(css, opIt->first.c_str(), "1");
958 set_param(css, opIt->first.c_str(), opIt->second.c_str());
962 const BLSURFPlugin_Hypothesis::TOptionValues& custom_opts = hyp->GetCustomOptionValues();
963 for ( opIt = custom_opts.begin(); opIt != custom_opts.end(); ++opIt )
964 if ( !opIt->second.empty() ) {
965 set_param(css, opIt->first.c_str(), opIt->second.c_str());
968 const BLSURFPlugin_Hypothesis::TOptionValues& preCADopts = hyp->GetPreCADOptionValues();
969 for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
970 if ( !opIt->second.empty() ) {
971 set_param(css, opIt->first.c_str(), opIt->second.c_str());
975 if ( BLSURFPlugin_Hypothesis::HasPreCADOptions( hyp ))
977 cadsurf_set_param(css, "use_precad", "yes" ); // for old versions
979 // PreProcessor (formerly PreCAD) -- commented params are preCADoptions (since 0023307)
980 //set_param(css, "merge_edges", _precadMergeEdges ? "yes" : "no");
981 //set_param(css, "remove_duplicate_cad_faces", _precadRemoveDuplicateCADFaces ? "yes" : "no");
982 //set_param(css, "process_3d_topology", _precadProcess3DTopology ? "1" : "0");
983 //set_param(css, "discard_input_topology", _precadDiscardInput ? "1" : "0");
984 //set_param(css, "max_number_of_points_per_patch", "1000000");
986 bool useGradation = false;
987 switch (_physicalMesh)
989 case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
990 set_param(css, "physical_size_mode", "global");
991 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
993 case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
994 set_param(css, "physical_size_mode", "local");
995 set_param(css, "global_physical_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
999 set_param(css, "physical_size_mode", "none");
1002 switch (_geometricMesh)
1004 case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1005 set_param(css, "geometric_size_mode", "global");
1006 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1007 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1008 useGradation = true;
1010 case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1011 set_param(css, "geometric_size_mode", "local");
1012 set_param(css, "geometric_approximation", val_to_string(_angleMesh).c_str());
1013 set_param(css, "chordal_error", val_to_string(_chordalError).c_str());
1014 useGradation = true;
1017 set_param(css, "geometric_size_mode", "none");
1020 if ( hyp && hyp->GetPhySize() > 0 ) {
1021 // user size is explicitly specified via hypothesis parameters
1022 // min and max sizes should be compared with explicitly specified user size
1023 // - compute absolute min size
1024 double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1025 // - min size should not be greater than user size
1026 if ( _phySize < mins )
1027 set_param(css, "min_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1029 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1030 // - compute absolute max size
1031 double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1032 // - max size should not be less than user size
1033 if ( _phySize > maxs )
1034 set_param(css, "max_size", _phySizeRel ? val_to_string_rel(_phySize).c_str() : val_to_string(_phySize).c_str());
1036 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1039 // user size is not explicitly specified
1040 // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1041 set_param(css, "min_size", _minSizeRel ? val_to_string_rel(_minSize).c_str() : val_to_string(_minSize).c_str());
1042 // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1043 set_param(css, "max_size", _maxSizeRel ? val_to_string_rel(_maxSize).c_str() : val_to_string(_maxSize).c_str());
1045 // anisotropic and quadrangle mesh requires disabling gradation
1046 if ( _anisotropic && _quadAllowed )
1047 useGradation = false; // limitation of V1.3
1048 if ( useGradation && _use_gradation )
1049 set_param(css, "gradation", val_to_string(_gradation).c_str());
1050 if ( useGradation && _use_volume_gradation )
1051 set_param(css, "volume_gradation", val_to_string(_volume_gradation).c_str());
1052 set_param(css, "element_generation", _quadAllowed ? "quad_dominant" : "triangle");
1055 set_param(css, "metric", _anisotropic ? "anisotropic" : "isotropic");
1057 set_param(css, "anisotropic_ratio", val_to_string(_anisotropicRatio).c_str());
1058 set_param(css, "remove_tiny_edges", _removeTinyEdges ? "1" : "0");
1059 if ( _removeTinyEdges )
1060 set_param(css, "tiny_edge_length", val_to_string(_tinyEdgeLength).c_str());
1061 set_param(css, "optimise_tiny_edges", _optimiseTinyEdges ? "1" : "0");
1062 if ( _optimiseTinyEdges )
1063 set_param(css, "tiny_edge_optimisation_length", val_to_string(_tinyEdgeOptimisLength).c_str());
1064 set_param(css, "correct_surface_intersections", _correctSurfaceIntersec ? "1" : "0");
1065 if ( _correctSurfaceIntersec )
1066 set_param(css, "surface_intersections_processing_max_cost", val_to_string(_corrSurfaceIntersCost ).c_str());
1067 set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1068 if ( _badElementRemoval )
1069 set_param(css, "bad_surface_element_aspect_ratio", val_to_string(_badElementAspectRatio).c_str());
1070 set_param(css, "optimisation", _optimizeMesh ? "yes" : "no");
1071 set_param(css, "element_order", _quadraticMesh ? "quadratic" : "linear");
1072 set_param(css, "verbose", val_to_string(_verb).c_str());
1074 _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1076 std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1078 if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize)
1080 TopoDS_Shape GeomShape;
1081 TopoDS_Shape AttShape;
1082 TopAbs_ShapeEnum GeomType;
1084 // Standard Size Maps
1086 const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1087 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1088 for ( ; smIt != sizeMaps.end(); ++smIt ) {
1089 if ( !smIt->second.empty() ) {
1090 GeomShape = entryToShape(smIt->first);
1091 GeomType = GeomShape.ShapeType();
1094 if (GeomType == TopAbs_COMPOUND) {
1095 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1097 if (it.Value().ShapeType() == TopAbs_FACE){
1098 HasSizeMapOnFace = true;
1099 if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1100 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1103 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1105 FaceId2SizeMap[key] = smIt->second;
1108 if (it.Value().ShapeType() == TopAbs_EDGE){
1109 HasSizeMapOnEdge = true;
1110 HasSizeMapOnFace = true;
1111 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1112 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1115 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1117 EdgeId2SizeMap[key] = smIt->second;
1119 // Group of vertices
1120 if (it.Value().ShapeType() == TopAbs_VERTEX){
1121 HasSizeMapOnVertex = true;
1122 HasSizeMapOnEdge = true;
1123 HasSizeMapOnFace = true;
1124 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1125 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1128 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1130 VertexId2SizeMap[key] = smIt->second;
1135 if (GeomType == TopAbs_FACE){
1136 HasSizeMapOnFace = true;
1137 if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1138 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1141 key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1143 FaceId2SizeMap[key] = smIt->second;
1146 if (GeomType == TopAbs_EDGE){
1147 HasSizeMapOnEdge = true;
1148 HasSizeMapOnFace = true;
1149 if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1150 key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1153 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1155 EdgeId2SizeMap[key] = smIt->second;
1158 if (GeomType == TopAbs_VERTEX){
1159 HasSizeMapOnVertex = true;
1160 HasSizeMapOnEdge = true;
1161 HasSizeMapOnFace = true;
1162 if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1163 key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1166 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1168 VertexId2SizeMap[key] = smIt->second;
1176 // TODO appeler le constructeur des attracteurs directement ici
1177 // if ( !_phySizeRel ) {
1178 const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1179 BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1180 for ( ; atIt != attractors.end(); ++atIt ) {
1181 if ( !atIt->second.empty() ) {
1182 GeomShape = entryToShape(atIt->first);
1183 GeomType = GeomShape.ShapeType();
1185 if (GeomType == TopAbs_COMPOUND){
1186 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1187 if (it.Value().ShapeType() == TopAbs_FACE){
1188 HasSizeMapOnFace = true;
1189 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1194 if (GeomType == TopAbs_FACE){
1195 HasSizeMapOnFace = true;
1196 createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1199 if (GeomType == TopAbs_EDGE){
1200 HasSizeMapOnEdge = true;
1201 HasSizeMapOnFace = true;
1202 EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1204 if (GeomType == TopAbs_VERTEX){
1205 HasSizeMapOnVertex = true;
1206 HasSizeMapOnEdge = true;
1207 HasSizeMapOnFace = true;
1208 VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1216 // temporary commented out for testing
1218 // - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1219 // - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1220 // - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1222 // - Construct the attractors with an empty dist. map in the hypothesis
1223 // - 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()
1224 // -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap() OK
1226 theNbAttractors = 0;
1227 const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1229 BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1230 for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1231 if ( !AtIt->second->Empty() ) {
1232 GeomShape = entryToShape(AtIt->first);
1233 if ( !SMESH_MesherHelper::IsSubShape( GeomShape, theGeomShape ))
1235 AttShape = AtIt->second->GetAttractorShape();
1236 GeomType = GeomShape.ShapeType();
1238 // if (GeomType == TopAbs_COMPOUND){
1239 // for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1240 // if (it.Value().ShapeType() == TopAbs_FACE){
1241 // HasAttractorOnFace = true;
1242 // myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1247 if (GeomType == TopAbs_FACE
1248 && (AttShape.ShapeType() == TopAbs_VERTEX
1249 || AttShape.ShapeType() == TopAbs_EDGE
1250 || AttShape.ShapeType() == TopAbs_WIRE
1251 || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1252 HasSizeMapOnFace = true;
1254 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1256 FaceId2ClassAttractor[key].push_back( AtIt->second );
1260 MESSAGE("Wrong shape type !!")
1268 // Enforced Vertices
1270 const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1271 BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1272 for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1273 if ( !enfIt->second.empty() ) {
1274 GeomShape = entryToShape(enfIt->first);
1275 if ( GeomShape.IsNull() )
1277 createEnforcedVertexOnFace( GeomShape, enfIt->second );
1280 else if ( GeomShape.ShapeType() == TopAbs_COMPOUND)
1282 for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1283 if (it.Value().ShapeType() == TopAbs_FACE){
1284 HasSizeMapOnFace = true;
1285 createEnforcedVertexOnFace(it.Value(), enfIt->second);
1289 else if ( GeomShape.ShapeType() == TopAbs_FACE)
1291 HasSizeMapOnFace = true;
1292 createEnforcedVertexOnFace(GeomShape, enfIt->second);
1297 // Internal vertices
1298 bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1299 if (useInternalVertexAllFaces) {
1300 std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1302 TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1303 for (; exp.More(); exp.Next()){
1304 TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1305 for (; exp_face.More(); exp_face.Next())
1307 // Get coords of vertex
1308 // Check if current coords is already in enfVertexList
1309 // If coords not in enfVertexList, add new enfVertex
1310 aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1311 BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1312 enfVertex->coords.push_back(aPnt.X());
1313 enfVertex->coords.push_back(aPnt.Y());
1314 enfVertex->coords.push_back(aPnt.Z());
1315 enfVertex->name = "";
1316 enfVertex->faceEntries.clear();
1317 enfVertex->geomEntry = "";
1318 enfVertex->grpName = grpName;
1319 enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1320 _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()), aPnt, enfVertex);
1321 HasSizeMapOnFace = true;
1326 cadsurf_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1328 if (HasSizeMapOnEdge){
1329 cadsurf_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1331 if (HasSizeMapOnVertex){
1332 cadsurf_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1339 _preCadFacesIDsPeriodicityVector.clear();
1340 _preCadEdgesIDsPeriodicityVector.clear();
1342 for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1343 createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1346 const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1348 for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1349 createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1353 //================================================================================
1355 * \brief Throws an exception if a parameter name is wrong
1357 //================================================================================
1359 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1360 const char * option_name,
1361 const char * option_value)
1363 status_t status = cadsurf_set_param(css, option_name, option_value );
1365 if ( _hypothesis && _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
1366 cout << option_name << " = " << option_value << endl;
1368 if ( status != MESHGEMS_STATUS_OK )
1370 if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1371 throw SALOME_Exception
1372 ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1374 else if ( status == MESHGEMS_STATUS_NOLICENSE )
1375 throw SALOME_Exception
1376 ( "No valid license available" );
1378 throw SALOME_Exception
1379 ( SMESH_Comment("Either wrong name or unacceptable value of CADSURF parameter '")
1380 << option_name << "': " << option_value);
1386 // --------------------------------------------------------------------------
1388 * \brief Class correctly terminating usage of MG-CADSurf library at destruction
1390 struct BLSURF_Cleaner
1393 cadsurf_session_t* _css;
1397 BLSURF_Cleaner(context_t * ctx,
1398 cadsurf_session_t* css=0,
1409 Clean( /*exceptContext=*/false );
1411 void Clean(const bool exceptContext)
1415 cadsurf_session_delete(_css); _css = 0;
1417 // #if BLSURF_VERSION_LONG >= "3.1.1"
1418 // // if(geo_sizemap_e)
1419 // // distene_sizemap_delete(geo_sizemap_e);
1420 // // if(geo_sizemap_f)
1421 // // distene_sizemap_delete(geo_sizemap_f);
1422 // if(iso_sizemap_p)
1423 // distene_sizemap_delete(iso_sizemap_p);
1424 // if(iso_sizemap_e)
1425 // distene_sizemap_delete(iso_sizemap_e);
1426 // if(iso_sizemap_f)
1427 // distene_sizemap_delete(iso_sizemap_f);
1429 // // if(clean_geo_sizemap_e)
1430 // // distene_sizemap_delete(clean_geo_sizemap_e);
1431 // // if(clean_geo_sizemap_f)
1432 // // distene_sizemap_delete(clean_geo_sizemap_f);
1433 // if(clean_iso_sizemap_p)
1434 // distene_sizemap_delete(clean_iso_sizemap_p);
1435 // if(clean_iso_sizemap_e)
1436 // distene_sizemap_delete(clean_iso_sizemap_e);
1437 // if(clean_iso_sizemap_f)
1438 // distene_sizemap_delete(clean_iso_sizemap_f);
1441 cad_delete(_cad); _cad = 0;
1442 dcad_delete(_dcad); _dcad = 0;
1443 if ( !exceptContext )
1445 context_delete(_ctx); _ctx = 0;
1451 // --------------------------------------------------------------------------
1452 // comparator to sort nodes and sub-meshes
1453 struct ShapeTypeCompare
1455 // sort nodes by position in the following order:
1456 // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1457 bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1459 // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1460 return n1->getIdInShape() < n2->getIdInShape();
1461 // SMDS_TypeOfPosition pos1 = n1->GetPosition()->GetTypeOfPosition();
1462 // SMDS_TypeOfPosition pos2 = n2->GetPosition()->GetTypeOfPosition();
1463 // if ( pos1 == pos2 ) return 0;
1464 // if ( pos1 < pos2 || pos1 == SMDS_TOP_3DSPACE ) return 1;
1467 // sort sub-meshes in order: EDGE, VERTEX
1468 bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1470 int isVertex1 = ( s1 && s1->NbElements() == 0 );
1471 int isVertex2 = ( s2 && s2->NbElements() == 0 );
1472 if ( isVertex1 == isVertex2 )
1474 return isVertex1 < isVertex2;
1478 //================================================================================
1480 * \brief Fills groups of nodes to be merged
1482 //================================================================================
1484 void getNodeGroupsToMerge( const SMESHDS_SubMesh* smDS,
1485 const TopoDS_Shape& shape,
1486 SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1488 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1489 switch ( shape.ShapeType() )
1491 case TopAbs_VERTEX: {
1492 std::list< const SMDS_MeshNode* > nodes;
1493 while ( nIt->more() )
1494 nodes.push_back( nIt->next() );
1495 if ( nodes.size() > 1 )
1496 nodeGroupsToMerge.push_back( nodes );
1500 std::multimap< double, const SMDS_MeshNode* > u2node;
1501 const SMDS_EdgePosition* ePos;
1502 while ( nIt->more() )
1504 const SMDS_MeshNode* n = nIt->next();
1505 if (( ePos = dynamic_cast< const SMDS_EdgePosition* >( n->GetPosition() )))
1506 u2node.insert( make_pair( ePos->GetUParameter(), n ));
1508 if ( u2node.size() < 2 ) return;
1510 //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1512 BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1513 double tol = (( l - f ) / 20.) / u2node.size();
1515 std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1516 for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1518 if (( un2->first - un1->first ) <= tol )
1520 std::list< const SMDS_MeshNode* > nodes;
1521 nodes.push_back( un1->second );
1522 while (( un2->first - un1->first ) <= tol )
1524 nodes.push_back( un2->second );
1525 if ( ++un2 == u2node.end()) {
1530 // make nodes created on the boundary of viscous layer replace nodes created
1531 // by MG-CADSurf as their SMDS_Position is more correct
1532 nodes.sort( ShapeTypeCompare() );
1533 nodeGroupsToMerge.push_back( nodes );
1540 // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1541 // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1543 // cout << "Merge ";
1544 // const std::list< const SMDS_MeshNode* >& nl = *nll;
1545 // std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1546 // for ( ; nIt != nl.end(); ++nIt )
1547 // cout << (*nIt) << " ";
1553 //================================================================================
1555 * \brief A temporary mesh used to compute mesh on a proxy FACE
1557 //================================================================================
1559 struct TmpMesh: public SMESH_Mesh
1561 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1562 TN2NMap _tmp2origNN;
1563 TopoDS_Face _proxyFace;
1567 _myMeshDS = new SMESHDS_Mesh( _id, true );
1569 //--------------------------------------------------------------------------------
1571 * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1573 //--------------------------------------------------------------------------------
1575 const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1576 const TopoDS_Face& origFace)
1578 SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1580 SMESH_MesherHelper helper( *origMesh );
1581 helper.SetSubShape( origFace );
1582 const bool hasSeam = helper.HasRealSeam();
1584 // get data of nodes on inner boundary of viscous layers
1586 TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1587 /*skipMediumNodes = */true,
1588 err, &helper, viscousMesh );
1589 if ( err && err->IsKO() )
1590 throw *err.get(); // it should be caught at SMESH_subMesh
1592 // proxy nodes and corresponding tmp VERTEXes
1593 std::vector<const SMDS_MeshNode*> origNodes;
1594 std::vector<TopoDS_Vertex> tmpVertex;
1596 // create a proxy FACE
1597 TopoDS_Face origFaceCopy = TopoDS::Face( origFace.EmptyCopied() );
1598 BRepBuilderAPI_MakeFace newFace( origFaceCopy );
1599 bool hasPCurves = false;
1600 for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1602 StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1603 const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1604 if ( wirePoints.size() < 3 )
1607 BRepBuilderAPI_MakePolygon polygon;
1608 const size_t i0 = tmpVertex.size();
1609 for ( size_t iN = 0; iN < wirePoints.size(); ++iN )
1611 polygon.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1612 origNodes.push_back( wirePoints[ iN ].node );
1613 tmpVertex.push_back( polygon.LastVertex() );
1615 // check presence of a pcurve
1616 checkPCurve( polygon, origFaceCopy, hasPCurves, &wirePoints[ iN-1 ] );
1618 tmpVertex[ i0 ] = polygon.FirstVertex(); // polygon.LastVertex()==NULL for 1 vertex in wire
1620 if ( !polygon.IsDone() )
1621 throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1622 TopoDS_Wire wire = polygon;
1624 wire = updateSeam( wire, origNodes );
1625 newFace.Add( wire );
1627 _proxyFace = newFace;
1629 // set a new shape to mesh
1630 TopoDS_Compound auxCompoundToMesh;
1631 BRep_Builder shapeBuilder;
1632 shapeBuilder.MakeCompound( auxCompoundToMesh );
1633 shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1634 shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1636 ShapeToMesh( auxCompoundToMesh );
1639 // Make input mesh for MG-CADSurf: segments on EDGE's of newFace
1641 // make nodes and fill in _tmp2origNN
1643 SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1644 for ( size_t i = 0; i < origNodes.size(); ++i )
1646 GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1647 if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1648 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1649 // else -- it can be a seam vertex replaced by updateSeam()
1650 // throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1654 TopoDS_Vertex v1, v2;
1655 for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1657 const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1658 TopExp::Vertices( E, v1, v2 );
1659 const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1660 const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1662 if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1663 tmpMeshDS->SetMeshElementOnShape( seg, E );
1669 //--------------------------------------------------------------------------------
1671 * \brief Add pcurve to the last edge of a wire
1673 //--------------------------------------------------------------------------------
1675 void checkPCurve( BRepBuilderAPI_MakePolygon& wire,
1676 const TopoDS_Face& face,
1678 const uvPtStruct * wirePoints )
1682 TopoDS_Edge edge = wire.Edge();
1683 if ( edge.IsNull() ) return;
1685 if ( BRep_Tool::CurveOnSurface(edge, face, f, l))
1690 gp_XY p1 = wirePoints[ 0 ].UV(), p2 = wirePoints[ 1 ].UV();
1691 Handle(Geom2d_Line) pcurve = new Geom2d_Line( p1, gp_Dir2d( p2 - p1 ));
1692 BRep_Builder().UpdateEdge( edge, Handle(Geom_Curve)(), Precision::Confusion() );
1693 BRep_Builder().UpdateEdge( edge, pcurve, face, Precision::Confusion() );
1694 BRep_Builder().Range( edge, 0, ( p2 - p1 ).Modulus() );
1695 // cout << "n1 = mesh.AddNode( " << p1.X()*10 << ", " << p1.Y() << ", 0 )" << endl
1696 // << "n2 = mesh.AddNode( " << p2.X()*10 << ", " << p2.Y() << ", 0 )" << endl
1697 // << "mesh.AddEdge( [ n1, n2 ] )" << endl;
1700 //--------------------------------------------------------------------------------
1702 * \brief Replace coincident EDGEs with reversed copies.
1704 //--------------------------------------------------------------------------------
1706 TopoDS_Wire updateSeam( const TopoDS_Wire& wire,
1707 const std::vector<const SMDS_MeshNode*>& nodesOfVertices )
1709 BRepBuilderAPI_MakeWire newWire;
1711 typedef NCollection_DataMap<SMESH_TLink, TopoDS_Edge, SMESH_TLink > TSeg2EdgeMap;
1712 TSeg2EdgeMap seg2EdgeMap;
1714 TopoDS_Iterator edgeIt( wire );
1715 for ( int iSeg = 1; edgeIt.More(); edgeIt.Next(), ++iSeg )
1717 SMESH_TLink link( nodesOfVertices[ iSeg-1 ], nodesOfVertices[ iSeg ]);
1718 TopoDS_Edge edge( TopoDS::Edge( edgeIt.Value() ));
1720 TopoDS_Edge* edgeInMap = seg2EdgeMap.Bound( link, edge );
1721 bool isSeam = ( *edgeInMap != edge );
1724 edgeInMap->Reverse();
1727 newWire.Add( edge );
1732 //--------------------------------------------------------------------------------
1734 * \brief Fill in the origMesh with faces computed by MG-CADSurf in this tmp mesh
1736 //--------------------------------------------------------------------------------
1738 void FillInOrigMesh( SMESH_Mesh& origMesh,
1739 const TopoDS_Face& origFace )
1741 SMESH_MesherHelper helper( origMesh );
1742 helper.SetSubShape( origFace );
1743 helper.SetElementsOnShape( true );
1745 SMESH_MesherHelper tmpHelper( *this );
1746 tmpHelper.SetSubShape( _proxyFace );
1748 // iterate over tmp faces and copy them in origMesh
1749 const SMDS_MeshNode* nodes[27];
1750 const SMDS_MeshNode* nullNode = 0;
1752 SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1753 while ( fIt->more() )
1755 const SMDS_MeshElement* f = fIt->next();
1756 SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1758 for ( ; nIt->more(); ++nbN )
1760 const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1761 TN2NMap::iterator n2nIt =
1762 _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1763 if ( !n2nIt->second ) {
1765 gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1766 n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1768 nodes[ nbN ] = n2nIt->second;
1771 case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1772 // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1773 // nodes[3], nodes[4], nodes[5]); break;
1774 case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1775 // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1776 // nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1777 // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1778 // nodes[4], nodes[5], nodes[6], nodes[7]); break;
1785 * \brief A structure holding an error description and a verbisity level
1787 struct message_cb_user_data
1789 std::string * _error;
1796 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1797 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1798 real *duu, real *duv, real *dvv, void *user_data);
1799 status_t message_cb(message_t *msg, void *user_data);
1800 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1802 //=============================================================================
1806 //=============================================================================
1808 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape)
1810 // Fix problem with locales
1811 Kernel_Utils::Localizer aLocalizer;
1813 this->SMESH_Algo::_progress = 1e-3; // prevent progress advancment while computing attractors
1815 bool viscousLayersMade =
1816 ( aShape.ShapeType() == TopAbs_FACE &&
1817 StdMeshers_ViscousLayers2D::HasProxyMesh( TopoDS::Face( aShape ), aMesh ));
1819 if ( !viscousLayersMade )
1820 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1823 if ( _haveViscousLayers || viscousLayersMade )
1825 // Compute viscous layers
1827 TopTools_MapOfShape map;
1828 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1830 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1831 if ( !map.Add( F )) continue;
1832 SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1834 return false; // error in StdMeshers_ViscousLayers2D::Compute()
1836 // Compute MG-CADSurf mesh on viscous layers
1838 if ( viscousMesh->NbProxySubMeshes() > 0 )
1841 const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1842 if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1844 tmpMesh.FillInOrigMesh( aMesh, F );
1848 // Re-compute MG-CADSurf mesh on the rest faces if the mesh was cleared
1850 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1852 const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1853 SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1854 if ( fSM->IsMeshComputed() ) continue;
1856 if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1864 //=============================================================================
1868 //=============================================================================
1870 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh& aMesh,
1871 const TopoDS_Shape& aShape,
1872 bool allowSubMeshClearing)
1874 /* create a distene context (generic object) */
1875 status_t status = STATUS_ERROR;
1877 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1878 SMESH_MesherHelper helper( aMesh ), helperWithShape( aMesh );
1879 myHelper = theHelper = & helperWithShape;
1880 // do not call helper.IsQuadraticSubMesh() because sub-meshes
1881 // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1882 bool haveQuadraticSubMesh = helperWithShape.IsQuadraticSubMesh( aShape );
1883 bool quadraticSubMeshAndViscousLayer = false;
1884 bool needMerge = false;
1885 typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1886 TSubMeshSet edgeSubmeshes;
1887 TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1889 TopTools_IndexedMapOfShape pmap, emap, fmap;
1891 TopTools_IndexedDataMapOfShapeListOfShape e2ffmap;
1892 TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, e2ffmap );
1894 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1896 feclearexcept( FE_ALL_EXCEPT );
1897 int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1900 context_t *ctx = context_new();
1902 /* Set the message callback in the working context */
1903 message_cb_user_data mcud;
1904 mcud._error = & this->SMESH_Algo::_comment;
1905 mcud._progress = & this->SMESH_Algo::_progress;
1907 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1908 context_set_message_callback(ctx, message_cb, &mcud);
1910 /* set the interruption callback */
1911 _compute_canceled = false;
1912 context_set_interrupt_callback(ctx, interrupt_cb, this);
1914 /* create the CAD object we will work on. It is associated to the context ctx. */
1915 cad_t *c = cad_new(ctx);
1916 dcad_t *dcad = dcad_new(c);
1918 // To enable multithreading
1919 cad_set_thread_safety(c, 1);
1921 /* Now fill the CAD object with data from your CAD
1922 * environement. This is the most complex part of a successfull
1928 cadsurf_session_t *css = cadsurf_session_new(ctx);
1930 // an object that correctly deletes all cadsurf objects at destruction
1931 BLSURF_Cleaner cleaner( ctx,css,c,dcad );
1933 SetParameters(_hypothesis, css, aShape);
1935 haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
1936 helper.SetIsQuadratic( haveQuadraticSubMesh );
1938 // To remove as soon as quadratic mesh is allowed - BEGIN
1939 // GDD: Viscous layer is not allowed with quadratic mesh
1940 if (_haveViscousLayers && haveQuadraticSubMesh ) {
1941 quadraticSubMeshAndViscousLayer = true;
1942 _haveViscousLayers = !haveQuadraticSubMesh;
1943 _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
1944 error(COMPERR_WARNING, _comment);
1946 // To remove as soon as quadratic mesh is allowed - END
1948 // needed to prevent the opencascade memory managmement from freeing things
1949 vector<Handle(Geom2d_Curve)> curves;
1950 vector<Handle(Geom_Surface)> surfaces;
1954 FaceId2PythonSmp.clear();
1955 EdgeId2PythonSmp.clear();
1956 VertexId2PythonSmp.clear();
1958 /****************************************************************************************
1960 *****************************************************************************************/
1962 string bad_end = "return";
1964 TopTools_IndexedMapOfShape _map;
1965 TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
1966 int ienf = _map.Extent();
1968 assert(Py_IsInitialized());
1969 PyGILState_STATE gstate;
1971 string theSizeMapStr;
1973 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1975 TopoDS_Face f = TopoDS::Face(face_iter.Current());
1977 SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
1978 if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
1980 // make INTERNAL face oriented FORWARD (issue 0020993)
1981 if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
1982 f.Orientation(TopAbs_FORWARD);
1984 iface = fmap.Add(f);
1986 surfaces.push_back(BRep_Tool::Surface(f));
1988 /* create an object representing the face for cadsurf */
1989 /* where face_id is an integer identifying the face.
1990 * surf_function is the function that defines the surface
1991 * (For this face, it will be called by cadsurf with your_face_object_ptr
1992 * as last parameter.
1994 #if OCC_VERSION_MAJOR < 7
1995 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
1997 cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back().get());
2000 /* by default a face has no tag (color).
2001 The following call sets it to the same value as the Geom module ID : */
2002 int faceTag = meshDS->ShapeToIndex(f);
2003 faceTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2004 cad_face_set_tag(fce, faceTag);
2006 /* Set face orientation (optional if you want a well oriented output mesh)*/
2007 if(f.Orientation() != TopAbs_FORWARD)
2008 cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2010 cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2012 if (HasSizeMapOnFace /*&& !use_precad*/) //22903: use_precad seems not to interfere
2014 // -----------------
2016 // -----------------
2017 faceKey = FacesWithSizeMap.FindIndex(f);
2020 if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end())
2022 theSizeMapStr = FaceId2SizeMap[faceKey];
2023 // check if function ends with "return"
2024 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2026 // Expr To Python function, verification is performed at validation in GUI
2027 gstate = PyGILState_Ensure();
2028 PyObject * obj = NULL;
2029 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2031 PyObject * func = NULL;
2032 func = PyObject_GetAttrString(main_mod, "f");
2033 FaceId2PythonSmp[iface]=func;
2034 FaceId2SizeMap.erase(faceKey);
2035 PyGILState_Release(gstate);
2038 // Specific size map = Attractor
2039 std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2041 for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2042 if (attractor_iter->first == faceKey)
2044 double xyzCoords[3] = {attractor_iter->second[2],
2045 attractor_iter->second[3],
2046 attractor_iter->second[4]};
2048 gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2049 BRepClass_FaceClassifier scl(f,P,1e-7);
2050 scl.Perform(f, P, 1e-7);
2051 TopAbs_State result = scl.State();
2052 if ( result == TopAbs_OUT )
2053 MESSAGE("Point is out of face: node is not created");
2054 if ( result == TopAbs_UNKNOWN )
2055 MESSAGE("Point position on face is unknown: node is not created");
2056 if ( result == TopAbs_ON )
2057 MESSAGE("Point is on border of face: node is not created");
2058 if ( result == TopAbs_IN )
2060 // Point is inside face and not on border
2061 double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2063 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2064 cad_point_set_tag(point_p, ienf);
2066 FaceId2AttractorCoords.erase(faceKey);
2070 // -----------------
2072 // -----------------
2073 TId2ClsAttractorVec::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2074 if (clAttractor_iter != FaceId2ClassAttractor.end()){
2075 std::vector< BLSURFPlugin_Attractor* > & attVec = clAttractor_iter->second;
2076 for ( size_t i = 0; i < attVec.size(); ++i )
2077 if ( !attVec[i]->IsMapBuilt() ) {
2078 std::cout<<"Compute " << theNbAttractors-- << "-th attractor" <<std::endl;
2079 attVec[i]->BuildMap();
2081 FaceIndex2ClassAttractor[iface].swap( attVec );
2082 FaceId2ClassAttractor.erase(clAttractor_iter);
2084 } // if (HasSizeMapOnFace && !use_precad)
2086 // ------------------
2087 // Enforced Vertices
2088 // ------------------
2089 faceKey = FacesWithEnforcedVertices.FindIndex(f);
2090 std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2091 if (evmIt != FaceId2EnforcedVertexCoords.end())
2093 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl = evmIt->second;
2094 BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2095 for (; evlIt != evl.end(); ++evlIt)
2097 double uvCoords[2] = { evlIt->at(0), evlIt->at(1) };
2099 cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2101 BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2102 xyzCoords.push_back(evlIt->at(2));
2103 xyzCoords.push_back(evlIt->at(3));
2104 xyzCoords.push_back(evlIt->at(4));
2105 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2106 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2107 !enfCoordsIt->second.empty() )
2109 // to merge nodes of an INTERNAL vertex belonging to several faces
2110 TopoDS_Vertex v = (*enfCoordsIt->second.begin() )->vertex;
2111 if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2112 if ( !v.IsNull() && meshDS->ShapeToIndex( v ) > 0 )
2114 tag = pmap.Add( v );
2115 SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2116 vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2117 mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2118 // //if ( tag != pmap.Extent() )
2119 // needMerge = true;
2122 if ( tag == 0 ) tag = ienf;
2123 cad_point_set_tag(point_p, tag);
2125 FaceId2EnforcedVertexCoords.erase(faceKey);
2129 /****************************************************************************************
2131 now create the edges associated to this face
2132 *****************************************************************************************/
2134 for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2136 TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2137 int ic = emap.FindIndex(e);
2142 curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2144 if (HasSizeMapOnEdge){
2145 edgeKey = EdgesWithSizeMap.FindIndex(e);
2146 if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end())
2148 theSizeMapStr = EdgeId2SizeMap[edgeKey];
2149 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2151 // Expr To Python function, verification is performed at validation in GUI
2152 gstate = PyGILState_Ensure();
2153 PyObject * obj = NULL;
2154 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2156 PyObject * func = NULL;
2157 func = PyObject_GetAttrString(main_mod, "f");
2158 EdgeId2PythonSmp[ic]=func;
2159 EdgeId2SizeMap.erase(edgeKey);
2160 PyGILState_Release(gstate);
2163 /* data of nodes existing on the edge */
2164 StdMeshers_FaceSidePtr nodeData;
2165 SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2166 if ( !sm->IsEmpty() )
2168 // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2169 // /*complexFirst=*/false);
2170 // while ( subsmIt->more() )
2171 // edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2172 edgeSubmeshes.insert( sm->GetSubMeshDS() );
2174 nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2175 /*ignoreMedium=*/haveQuadraticSubMesh));
2176 if ( nodeData->MissVertexNode() )
2177 return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2179 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2180 if ( !nodeDataVec.empty() )
2182 if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2184 nodeData->Reverse();
2185 nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2187 // tmin and tmax can change in case of viscous layer on an adjacent edge
2188 tmin = nodeDataVec.front().param;
2189 tmax = nodeDataVec.back().param;
2193 cout << "---------------- Invalid nodeData" << endl;
2198 /* attach the edge to the current cadsurf face */
2199 #if OCC_VERSION_MAJOR < 7
2200 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
2202 cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back().get());
2205 /* by default an edge has no tag (color).
2206 The following call sets it to the same value as the edge_id : */
2207 // IMP23368. Do not set tag to an EDGE shared by FACEs of a hyper-patch
2208 bool isInHyperPatch = false;
2210 std::set< int > faceTags, faceIDs;
2211 TopTools_ListIteratorOfListOfShape fIt( e2ffmap.FindFromKey( e ));
2212 for ( ; fIt.More(); fIt.Next() )
2214 int faceTag = meshDS->ShapeToIndex( fIt.Value() );
2215 if ( !faceIDs.insert( faceTag ).second )
2216 continue; // a face encounters twice for a seam edge
2217 int hpTag = BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis );
2218 if ( !faceTags.insert( hpTag ).second )
2220 isInHyperPatch = true;
2225 if ( !isInHyperPatch )
2226 cad_edge_set_tag(edg, ic);
2228 /* by default, an edge does not necessalry appear in the resulting mesh,
2229 unless the following property is set :
2231 cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2233 /* by default an edge is a boundary edge */
2234 if (e.Orientation() == TopAbs_INTERNAL)
2235 cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2237 // pass existing nodes of sub-meshes to MG-CADSurf
2240 const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2241 const int nbNodes = nodeDataVec.size();
2243 dcad_edge_discretization_t *dedge;
2244 dcad_get_edge_discretization(dcad, edg, &dedge);
2245 dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2247 // cout << endl << " EDGE " << ic << endl;
2248 // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2249 for ( int iN = 0; iN < nbNodes; ++iN )
2251 const UVPtStruct& nData = nodeDataVec[ iN ];
2252 double t = nData.param;
2253 real uv[2] = { nData.u, nData.v };
2254 SMESH_TNodeXYZ nXYZ( nData.node );
2255 // cout << "\tt = " << t
2256 // << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2257 // << "\t u = " << nData.param
2258 // << "\t ID = " << nData.node->GetID() << endl;
2259 dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ._xyz );
2261 dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2264 /****************************************************************************************
2266 *****************************************************************************************/
2270 gp_Pnt2d e0 = curves.back()->Value(tmin);
2271 gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2272 Standard_Real d1=0,d2=0;
2275 for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2276 TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2280 d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2283 d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2285 *ip = pmap.FindIndex(v);
2288 // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2289 // if ( sm->IsMeshComputed() )
2290 // edgeSubmeshes.insert( sm->GetSubMeshDS() );
2293 // std::string aFileName = "fmap_vertex_";
2294 // aFileName.append(val_to_string(*ip));
2295 // aFileName.append(".brep");
2296 // BRepTools::Write(v,aFileName.c_str());
2298 if (HasSizeMapOnVertex){
2299 vertexKey = VerticesWithSizeMap.FindIndex(v);
2300 if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2301 theSizeMapStr = VertexId2SizeMap[vertexKey];
2302 if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2304 // Expr To Python function, verification is performed at validation in GUI
2305 gstate = PyGILState_Ensure();
2306 PyObject * obj = NULL;
2307 obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2309 PyObject * func = NULL;
2310 func = PyObject_GetAttrString(main_mod, "f");
2311 VertexId2PythonSmp[*ip]=func;
2312 VertexId2SizeMap.erase(vertexKey); // do not erase if using a vector
2313 PyGILState_Release(gstate);
2318 // should not happen
2319 MESSAGE("An edge does not have 2 extremities.");
2322 // This defines the curves extremity connectivity
2323 cad_edge_set_extremities(edg, ip1, ip2);
2324 /* set the tag (color) to the same value as the extremity id : */
2325 cad_edge_set_extremities_tag(edg, ip1, ip2);
2328 cad_edge_set_extremities(edg, ip2, ip1);
2329 cad_edge_set_extremities_tag(edg, ip2, ip1);
2335 // Clear mesh from already meshed edges if possible else
2336 // remember that merge is needed
2337 TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2338 for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2340 SMESHDS_SubMesh* smDS = *smIt;
2341 if ( !smDS ) continue;
2342 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2345 const SMDS_MeshNode* n = nIt->next();
2346 if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2348 needMerge = true; // to correctly sew with viscous mesh
2349 // add existing medium nodes to helper
2350 if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2352 SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2353 while ( edgeIt->more() )
2354 helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2359 if ( allowSubMeshClearing )
2361 SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2362 while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2363 SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2364 while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2373 ///////////////////////
2375 ///////////////////////
2377 if (! _preCadFacesIDsPeriodicityVector.empty())
2379 for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2380 std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2381 std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2382 int* theFace1_ids_c = &theFace1_ids[0];
2383 int* theFace2_ids_c = &theFace2_ids[0];
2384 std::ostringstream o;
2385 o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2386 for (std::size_t j=0; j < theFace1_ids.size(); j++)
2387 o << theFace1_ids[j] << ", ";
2389 for (std::size_t j=0; j < theFace2_ids.size(); j++)
2390 o << theFace2_ids[j] << ", ";
2392 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2393 // cout << o.str() << endl;
2394 if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2396 // If no source points, call periodicity without transformation function
2397 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2398 status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2399 theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2400 if(status != STATUS_OK)
2401 cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2405 // get the transformation vertices
2406 double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2407 double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2408 int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2409 int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2411 status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2412 theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2413 if(status != STATUS_OK)
2414 cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2419 if (! _preCadEdgesIDsPeriodicityVector.empty())
2421 for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2422 std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2423 std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2424 // Use the address of the first element of the vector to initialize the array
2425 int* theEdge1_ids_c = &theEdge1_ids[0];
2426 int* theEdge2_ids_c = &theEdge2_ids[0];
2428 std::ostringstream o;
2429 o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2430 for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2431 o << theEdge1_ids[j] << ", ";
2433 for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2434 o << theEdge2_ids[j] << ", ";
2436 // if ( _hypothesis->GetVerbosity() > _hypothesis->GetDefaultVerbosity() )
2437 // cout << o.str() << endl;
2439 if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2441 // If no source points, call periodicity without transformation function
2442 meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2443 status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2444 theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2445 if(status != STATUS_OK)
2446 cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2450 // get the transformation vertices
2451 double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2452 double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2453 int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2454 int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2456 status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2457 theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2458 if(status != STATUS_OK)
2459 cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2465 // TODO: be able to use a mesh in input.
2466 // See imsh usage in Products/templates/mg-cadsurf_template_common.cpp
2467 // => cadsurf_set_mesh
2469 // Use the original dcad
2470 cadsurf_set_dcad(css, dcad);
2472 // Use the original cad
2473 cadsurf_set_cad(css, c);
2475 std::cout << std::endl;
2476 std::cout << "Beginning of Surface Mesh generation" << std::endl;
2477 std::cout << std::endl;
2482 status = cadsurf_compute_mesh(css);
2485 catch ( std::exception& exc ) {
2486 _comment += exc.what();
2488 catch (Standard_Failure& ex) {
2489 _comment += ex.DynamicType()->Name();
2490 if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2492 _comment += ex.GetMessageString();
2496 if ( _comment.empty() )
2497 _comment = "Exception in cadsurf_compute_mesh()";
2500 std::cout << std::endl;
2501 std::cout << "End of Surface Mesh generation" << std::endl;
2502 std::cout << std::endl;
2505 cadsurf_get_mesh(css, &msh);
2507 /* release the mesh object */
2508 cadsurf_regain_mesh(css, msh);
2509 return error(_comment);
2512 std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2514 GMFFileName = _hypothesis->GetGMFFile();
2515 if (GMFFileName != "") {
2516 bool asciiFound = (GMFFileName.find(".mesh", GMFFileName.length()-5) != std::string::npos);
2517 bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2518 if (!asciiFound && !binaryFound)
2519 GMFFileName.append(".mesh");
2520 mesh_write_mesh(msh, GMFFileName.c_str());
2523 /* retrieve mesh data (see meshgems/mesh.h) */
2524 integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2525 integer *evedg, *evtri, *evquad, *tags_buff, type;
2528 mesh_get_vertex_count(msh, &nv);
2529 mesh_get_edge_count(msh, &ne);
2530 mesh_get_triangle_count(msh, &nt);
2531 mesh_get_quadrangle_count(msh, &nq);
2533 evedg = (integer *)mesh_calloc_generic_buffer(msh);
2534 evtri = (integer *)mesh_calloc_generic_buffer(msh);
2535 evquad = (integer *)mesh_calloc_generic_buffer(msh);
2536 tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2538 std::vector<const SMDS_MeshNode*> nodes(nv+1);
2539 std::vector<bool> tags(nv+1);
2541 /* enumerated vertices */
2542 for(int iv=1;iv<=nv;iv++) {
2543 mesh_get_vertex_coordinates(msh, iv, xyz);
2544 mesh_get_vertex_tag(msh, iv, &tag);
2545 // Issue 0020656. Use vertex coordinates
2547 if ( tag > 0 && tag <= pmap.Extent() ) {
2548 TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2549 double tol = BRep_Tool::Tolerance( v );
2550 gp_Pnt p = BRep_Tool::Pnt( v );
2551 if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2552 xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2554 tag = 0; // enforced or attracted vertex
2555 nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2558 nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2560 // Create group of enforced vertices if requested
2561 BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2563 projVertex.push_back((double)xyz[0]);
2564 projVertex.push_back((double)xyz[1]);
2565 projVertex.push_back((double)xyz[2]);
2566 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2567 if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end())
2569 BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2570 BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2571 for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2572 currentEnfVertex = (*enfListIt);
2573 if (currentEnfVertex->grpName != "") {
2574 bool groupDone = false;
2575 SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2576 while (grIt->more()) {
2577 SMESH_Group * group = grIt->next();
2578 if ( !group ) continue;
2579 SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2580 if ( !groupDS ) continue;
2581 if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2582 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2583 aGroupDS->SMDSGroup().Add(nodes[iv]);
2584 // How can I inform the hypothesis ?
2585 // _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2593 SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2594 aGroup->SetName( currentEnfVertex->grpName.c_str() );
2595 SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2596 aGroupDS->SMDSGroup().Add(nodes[iv]);
2600 throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2603 MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2607 // internal points are tagged to zero
2608 if(tag > 0 && tag <= pmap.Extent() ){
2609 meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2616 /* enumerate edges */
2617 for(int it=1;it<=ne;it++) {
2619 mesh_get_edge_vertices(msh, it, vtx);
2620 mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2621 mesh_get_edge_tag(msh, it, &tag);
2623 // If PreCAD performed some cleaning operations (remove tiny edges,
2624 // merge edges ...) an output tag can indeed represent several original tags.
2625 // Get the initial tags corresponding to the output tag and redefine the tag as
2626 // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2627 mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2629 tag=tags_buff[nb_tag-1];
2630 if ( tag < 1 || tag > emap.Extent() )
2632 std::cerr << "MG-CADSurf BUG:::: Edge tag " << tag
2633 << " does not point to a CAD edge (nb edges " << emap.Extent() << ")" << std::endl;
2637 Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2638 tags[vtx[0]] = false;
2641 Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2642 tags[vtx[1]] = false;
2644 if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2646 if (tags[evedg[0]]) {
2647 Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2648 tags[evedg[0]] = false;
2650 edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2653 edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2655 meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2658 /* enumerate triangles */
2659 for(int it=1;it<=nt;it++) {
2661 mesh_get_triangle_vertices(msh, it, vtx);
2662 mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2663 mesh_get_triangle_tag(msh, it, &tag);
2665 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2666 tags[vtx[0]] = false;
2669 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2670 tags[vtx[1]] = false;
2673 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2674 tags[vtx[2]] = false;
2676 if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2677 // QUADRATIC TRIANGLE
2678 if (tags[evtri[0]]) {
2679 meshDS->SetNodeOnFace(nodes[evtri[0]], tag);
2680 tags[evtri[0]] = false;
2682 if (tags[evtri[1]]) {
2683 meshDS->SetNodeOnFace(nodes[evtri[1]], tag);
2684 tags[evtri[1]] = false;
2686 if (tags[evtri[2]]) {
2687 meshDS->SetNodeOnFace(nodes[evtri[2]], tag);
2688 tags[evtri[2]] = false;
2690 tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2691 nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2694 tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2696 meshDS->SetMeshElementOnShape(tri, tag);
2699 /* enumerate quadrangles */
2700 for(int it=1;it<=nq;it++) {
2701 SMDS_MeshFace* quad;
2702 mesh_get_quadrangle_vertices(msh, it, vtx);
2703 mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2704 mesh_get_quadrangle_tag(msh, it, &tag);
2706 meshDS->SetNodeOnFace(nodes[vtx[0]], tag);
2707 tags[vtx[0]] = false;
2710 meshDS->SetNodeOnFace(nodes[vtx[1]], tag);
2711 tags[vtx[1]] = false;
2714 meshDS->SetNodeOnFace(nodes[vtx[2]], tag);
2715 tags[vtx[2]] = false;
2718 meshDS->SetNodeOnFace(nodes[vtx[3]], tag);
2719 tags[vtx[3]] = false;
2721 if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2722 // QUADRATIC QUADRANGLE
2723 std::cout << "This is a quadratic quadrangle" << std::endl;
2724 if (tags[evquad[0]]) {
2725 meshDS->SetNodeOnFace(nodes[evquad[0]], tag);
2726 tags[evquad[0]] = false;
2728 if (tags[evquad[1]]) {
2729 meshDS->SetNodeOnFace(nodes[evquad[1]], tag);
2730 tags[evquad[1]] = false;
2732 if (tags[evquad[2]]) {
2733 meshDS->SetNodeOnFace(nodes[evquad[2]], tag);
2734 tags[evquad[2]] = false;
2736 if (tags[evquad[3]]) {
2737 meshDS->SetNodeOnFace(nodes[evquad[3]], tag);
2738 tags[evquad[3]] = false;
2740 if (tags[evquad[4]]) {
2741 meshDS->SetNodeOnFace(nodes[evquad[4]], tag);
2742 tags[evquad[4]] = false;
2744 quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2745 nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
2749 quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
2751 meshDS->SetMeshElementOnShape(quad, tag);
2754 /* release the mesh object, the rest is released by cleaner */
2755 cadsurf_regain_mesh(css, msh);
2758 // Remove free nodes that can appear e.g. if "remove tiny edges"(IPAL53235)
2759 for(int iv=1;iv<=nv;iv++)
2760 if ( nodes[iv] && nodes[iv]->NbInverseElements() == 0 )
2761 meshDS->RemoveFreeNode( nodes[iv], 0, /*fromGroups=*/false );
2764 if ( needMerge ) // sew mesh computed by MG-CADSurf with pre-existing mesh
2766 SMESH_MeshEditor editor( &aMesh );
2767 SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
2768 TIDSortedElemSet segementsOnEdge;
2769 TSubMeshSet::iterator smIt;
2770 SMESHDS_SubMesh* smDS;
2772 // merge nodes on EDGE's with ones computed by MG-CADSurf
2773 for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
2775 if (! (smDS = *smIt) ) continue;
2776 getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
2778 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2779 while ( segIt->more() )
2780 segementsOnEdge.insert( segIt->next() );
2783 editor.MergeNodes( nodeGroupsToMerge );
2786 SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
2787 editor.FindEqualElements( segementsOnEdge, equalSegments );
2788 editor.MergeElements( equalSegments );
2790 // remove excess segments created on the boundary of viscous layers
2791 const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
2792 for ( int i = 1; i <= emap.Extent(); ++i )
2794 if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
2796 SMDS_ElemIteratorPtr segIt = smDS->GetElements();
2797 while ( segIt->more() )
2799 const SMDS_MeshElement* seg = segIt->next();
2800 if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
2801 seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
2802 meshDS->RemoveFreeElement( seg, smDS );
2809 // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
2810 for (int i = 1; i <= emap.Extent(); i++)
2811 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
2812 sm->SetIsAlwaysComputed( true );
2813 for (int i = 1; i <= pmap.Extent(); i++)
2814 if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
2815 if ( !sm->IsMeshComputed() )
2816 sm->SetIsAlwaysComputed( true );
2818 // Set error to FACE's w/o elements
2819 SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
2820 if ( _comment.empty() && status == STATUS_OK )
2822 err = COMPERR_WARNING;
2823 _comment = "No mesh elements assigned to a face";
2825 bool badFaceFound = false;
2826 for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2828 TopoDS_Face f = TopoDS::Face(face_iter.Current());
2829 SMESH_subMesh* sm = aMesh.GetSubMesh( f );
2830 if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
2832 int faceTag = sm->GetId();
2833 if ( faceTag != BLSURFPlugin_Hypothesis::GetHyperPatchTag( faceTag, _hypothesis ))
2835 // triangles are assigned to the first face of hyper-patch
2836 sm->SetIsAlwaysComputed( true );
2840 sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
2841 badFaceFound = true;
2845 if ( err == COMPERR_WARNING )
2849 if ( status != STATUS_OK && !badFaceFound ) {
2853 // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
2855 if ( oldFEFlags > 0 )
2856 feenableexcept( oldFEFlags );
2857 feclearexcept( FE_ALL_EXCEPT );
2861 std::cout << "FacesWithSizeMap" << std::endl;
2862 FacesWithSizeMap.Statistics(std::cout);
2863 std::cout << "EdgesWithSizeMap" << std::endl;
2864 EdgesWithSizeMap.Statistics(std::cout);
2865 std::cout << "VerticesWithSizeMap" << std::endl;
2866 VerticesWithSizeMap.Statistics(std::cout);
2867 std::cout << "FacesWithEnforcedVertices" << std::endl;
2868 FacesWithEnforcedVertices.Statistics(std::cout);
2871 return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
2874 //================================================================================
2876 * \brief Compute a mesh basing on discrete CAD description
2878 //================================================================================
2880 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper)
2882 if ( aMesh.NbFaces() == 0 )
2883 return error( COMPERR_BAD_INPUT_MESH, "2D elements are missing" );
2885 context_t *ctx = context_new();
2886 if (!ctx) return error("Pb in context_new()");
2888 BLSURF_Cleaner cleaner( ctx );
2890 message_cb_user_data mcud;
2891 mcud._error = & this->SMESH_Algo::_comment;
2892 mcud._progress = & this->SMESH_Algo::_progress;
2894 _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
2895 meshgems_status_t ret = context_set_message_callback(ctx, message_cb, &mcud);
2896 if (ret != STATUS_OK) return error("Pb. in context_set_message_callback() ");
2898 cadsurf_session_t * css = cadsurf_session_new(ctx);
2899 if(!css) return error( "Pb. in cadsurf_session_new() " );
2903 // Fill an input mesh
2905 mesh_t * msh = meshgems_mesh_new_in_memory( ctx );
2906 if ( !msh ) return error("Pb. in meshgems_mesh_new_in_memory()");
2908 // mark nodes used by 2D elements
2909 SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
2910 SMDS_NodeIteratorPtr nodeIt = meshDS->nodesIterator();
2911 while ( nodeIt->more() )
2913 const SMDS_MeshNode* n = nodeIt->next();
2914 n->setIsMarked( n->NbInverseElements( SMDSAbs_Face ));
2916 meshgems_mesh_set_vertex_count( msh, meshDS->NbNodes() );
2918 // set node coordinates
2919 if ( meshDS->NbNodes() != meshDS->MaxNodeID() )
2921 meshDS->compactMesh();
2923 SMESH_TNodeXYZ nXYZ;
2924 nodeIt = meshDS->nodesIterator();
2926 for ( i = 1; nodeIt->more(); ++i )
2928 nXYZ.Set( nodeIt->next() );
2929 meshgems_mesh_set_vertex_coordinates( msh, i, nXYZ._xyz );
2932 // set nodes of faces
2933 meshgems_mesh_set_triangle_count ( msh, meshDS->GetMeshInfo().NbTriangles() );
2934 meshgems_mesh_set_quadrangle_count( msh, meshDS->GetMeshInfo().NbQuadrangles() );
2935 meshgems_integer nodeIDs[4];
2936 meshgems_integer iT = 1, iQ = 1;
2937 SMDS_FaceIteratorPtr faceIt = meshDS->facesIterator();
2938 while ( faceIt->more() )
2940 const SMDS_MeshElement* face = faceIt->next();
2941 meshgems_integer nbNodes = face->NbCornerNodes();
2942 if ( nbNodes > 4 || face->IsPoly() ) continue;
2944 for ( i = 0; i < nbNodes; ++i )
2945 nodeIDs[i] = face->GetNode( i )->GetID();
2947 meshgems_mesh_set_triangle_vertices ( msh, iT++, nodeIDs );
2949 meshgems_mesh_set_quadrangle_vertices( msh, iQ++, nodeIDs );
2952 ret = cadsurf_set_mesh(css, msh);
2953 if ( ret != STATUS_OK ) return error("Pb in cadsurf_set_mesh()");
2958 SetParameters(_hypothesis, css, aMesh.GetShapeToMesh() );
2960 ret = cadsurf_compute_mesh(css);
2961 if ( ret != STATUS_OK ) return false;
2964 cadsurf_get_mesh(css, &omsh);
2965 if ( !omsh ) return error( "Pb. in cadsurf_get_mesh()" );
2968 // Update SALOME mesh
2970 // remove quadrangles and triangles
2971 for ( faceIt = meshDS->facesIterator(); faceIt->more(); )
2973 const SMDS_MeshElement* face = faceIt->next();
2974 if ( !face->IsPoly() )
2975 meshDS->RemoveFreeElement( face, /*sm=*/0, /*fromGroups=*/true );
2977 // remove edges that bound the just removed faces
2978 for ( SMDS_EdgeIteratorPtr edgeIt = meshDS->edgesIterator(); edgeIt->more(); )
2980 const SMDS_MeshElement* edge = edgeIt->next();
2981 const SMDS_MeshNode* n0 = edge->GetNode(0);
2982 const SMDS_MeshNode* n1 = edge->GetNode(1);
2983 if ( n0->isMarked() &&
2985 n0->NbInverseElements( SMDSAbs_Volume ) == 0 &&
2986 n1->NbInverseElements( SMDSAbs_Volume ) == 0 )
2987 meshDS->RemoveFreeElement( edge, /*sm=*/0, /*fromGroups=*/true );
2989 // remove nodes that just became free
2990 for ( nodeIt = meshDS->nodesIterator(); nodeIt->more(); )
2992 const SMDS_MeshNode* n = nodeIt->next();
2993 if ( n->isMarked() && n->NbInverseElements() == 0 )
2994 meshDS->RemoveFreeNode( n, /*sm=*/0, /*fromGroups=*/true );
2998 meshgems_integer nbvtx = 0, nodeID;
2999 meshgems_mesh_get_vertex_count( omsh, &nbvtx );
3000 meshgems_real xyz[3];
3001 for ( i = 1; i <= nbvtx; ++i )
3003 meshgems_mesh_get_vertex_coordinates( omsh, i, xyz );
3004 SMDS_MeshNode* n = meshDS->AddNode( xyz[0], xyz[1], xyz[2] );
3005 nodeID = n->GetID();
3006 meshgems_mesh_set_vertex_tag( omsh, i, &nodeID ); // save mapping of IDs in MG and SALOME meshes
3010 meshgems_integer nbtri = 0;
3011 meshgems_mesh_get_triangle_count( omsh, &nbtri );
3012 const SMDS_MeshNode* nodes[3];
3013 for ( i = 1; i <= nbtri; ++i )
3015 meshgems_mesh_get_triangle_vertices( omsh, i, nodeIDs );
3016 for ( int j = 0; j < 3; ++j )
3018 meshgems_mesh_get_vertex_tag( omsh, nodeIDs[j], &nodeID );
3019 nodes[j] = meshDS->FindNode( nodeID );
3021 meshDS->AddFace( nodes[0], nodes[1], nodes[2] );
3024 cadsurf_regain_mesh(css, omsh);
3026 // as we don't assign the new triangles to a shape (the pseudo-shape),
3027 // we mark the shape as always computed to avoid the error messages
3028 // that no elements assigned to the shape
3029 aMesh.GetSubMesh( aHelper->GetSubShape() )->SetIsAlwaysComputed( true );
3034 //================================================================================
3036 * \brief Terminates computation
3038 //================================================================================
3040 void BLSURFPlugin_BLSURF::CancelCompute()
3042 _compute_canceled = true;
3045 //=============================================================================
3049 //=============================================================================
3051 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS,
3052 const SMDS_MeshNode* node,
3053 const TopoDS_Shape& ed)
3055 const TopoDS_Edge edge = TopoDS::Edge(ed);
3057 gp_Pnt pnt(node->X(), node->Y(), node->Z());
3059 Standard_Real p0 = 0.0;
3060 Standard_Real p1 = 1.0;
3061 TopLoc_Location loc;
3062 Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3063 if ( curve.IsNull() )
3065 // issue 22499. Node at a sphere apex
3066 meshDS->SetNodeOnEdge(node, edge, p0);
3070 if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3071 GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3074 if ( proj.NbPoints() > 0 )
3076 pa = (double)proj.LowerDistanceParameter();
3077 // Issue 0020656. Move node if it is too far from edge
3078 gp_Pnt curve_pnt = curve->Value( pa );
3079 double dist2 = pnt.SquareDistance( curve_pnt );
3080 double tol = BRep_Tool::Tolerance( edge );
3081 if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3083 curve_pnt.Transform( loc );
3084 meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3088 meshDS->SetNodeOnEdge(node, edge, pa);
3091 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3093 * NOTE : if when your CAD systems evaluates second
3094 * order derivatives it also computes first order derivatives and
3095 * function evaluation, you can optimize this example by making only
3096 * one CAD call and filling the necessary uv, dt, dtt arrays.
3098 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3100 /* t is given. It contains the t (time) 1D parametric coordintaes
3101 of the point PreCAD/MG-CADSurf is querying on the curve */
3103 /* user_data identifies the edge PreCAD/MG-CADSurf is querying
3104 * (see cad_edge_new later in this example) */
3105 const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3108 /* MG-CADSurf is querying the function evaluation */
3111 uv[0]=P.X(); uv[1]=P.Y();
3115 /* query for the first order derivatives */
3118 dt[0]=V1.X(); dt[1]=V1.Y();
3122 /* query for the second order derivatives */
3125 dtt[0]=V2.X(); dtt[1]=V2.Y();
3131 /* Surface definition function.
3132 * See cad_surf_t in file meshgems/cad.h for more information.
3133 * NOTE : if when your CAD systems evaluates second order derivatives it also
3134 * computes first order derivatives and function evaluation, you can optimize
3135 * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3138 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3139 real *duu, real *duv, real *dvv, void *user_data)
3141 /* uv[2] is given. It contains the u,v coordinates of the point
3142 * PreCAD/MG-CADSurf is querying on the surface */
3144 /* user_data identifies the face PreCAD/MG-CADSurf is querying (see
3145 * cad_face_new later in this example)*/
3146 const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3150 P=geometry->Value(uv[0],uv[1]); // S.D0(U,V,P);
3151 xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3158 geometry->D1(uv[0],uv[1],P,D1U,D1V);
3159 du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3160 dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3163 if(duu && duv && dvv){
3167 gp_Vec D2U,D2V,D2UV;
3169 geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3170 duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3171 duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3172 dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3179 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3181 TId2ClsAttractorVec::iterator f2attVec;
3182 if (FaceId2PythonSmp.count(face_id) != 0){
3183 assert(Py_IsInitialized());
3184 PyGILState_STATE gstate;
3185 gstate = PyGILState_Ensure();
3186 PyObject* pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3188 if ( pyresult != NULL) {
3189 result = PyFloat_AsDouble(pyresult);
3190 Py_DECREF(pyresult);
3195 string err_description="";
3196 PyObject* new_stderr = newPyStdOut(err_description);
3197 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3198 Py_INCREF(old_stderr);
3199 PySys_SetObject((char*)"stderr", new_stderr);
3201 PySys_SetObject((char*)"stderr", old_stderr);
3202 Py_DECREF(new_stderr);
3203 MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3204 result = *((real*)user_data);
3207 PyGILState_Release(gstate);
3209 else if (( f2attVec = FaceIndex2ClassAttractor.find(face_id)) != FaceIndex2ClassAttractor.end() && !f2attVec->second.empty())
3213 std::vector< BLSURFPlugin_Attractor* > & attVec = f2attVec->second;
3214 for ( size_t i = 0; i < attVec.size(); ++i )
3216 //result += attVec[i]->GetSize(uv[0],uv[1]);
3217 result = Min( result, attVec[i]->GetSize(uv[0],uv[1]));
3219 //*size = result / attVec.size(); // mean of sizes defined by all attractors
3223 *size = *((real*)user_data);
3225 // std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3229 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3231 if (EdgeId2PythonSmp.count(edge_id) != 0){
3232 assert(Py_IsInitialized());
3233 PyGILState_STATE gstate;
3234 gstate = PyGILState_Ensure();
3235 PyObject* pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3237 if ( pyresult != NULL) {
3238 result = PyFloat_AsDouble(pyresult);
3239 Py_DECREF(pyresult);
3244 string err_description="";
3245 PyObject* new_stderr = newPyStdOut(err_description);
3246 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3247 Py_INCREF(old_stderr);
3248 PySys_SetObject((char*)"stderr", new_stderr);
3250 PySys_SetObject((char*)"stderr", old_stderr);
3251 Py_DECREF(new_stderr);
3252 MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3253 result = *((real*)user_data);
3256 PyGILState_Release(gstate);
3259 *size = *((real*)user_data);
3264 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3266 if (VertexId2PythonSmp.count(point_id) != 0){
3267 assert(Py_IsInitialized());
3268 PyGILState_STATE gstate;
3269 gstate = PyGILState_Ensure();
3270 PyObject* pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3272 if ( pyresult != NULL) {
3273 result = PyFloat_AsDouble(pyresult);
3274 Py_DECREF(pyresult);
3279 string err_description="";
3280 PyObject* new_stderr = newPyStdOut(err_description);
3281 PyObject* old_stderr = PySys_GetObject((char*)"stderr");
3282 Py_INCREF(old_stderr);
3283 PySys_SetObject((char*)"stderr", new_stderr);
3285 PySys_SetObject((char*)"stderr", old_stderr);
3286 Py_DECREF(new_stderr);
3287 MESSAGE("Can't evaluate f()" << " error is " << err_description);
3288 result = *((real*)user_data);
3291 PyGILState_Release(gstate);
3294 *size = *((real*)user_data);
3300 * The following function will be called for PreCAD/MG-CADSurf message
3301 * printing. See context_set_message_callback (later in this
3302 * template) for how to set user_data.
3304 status_t message_cb(message_t *msg, void *user_data)
3306 integer errnumber = 0;
3308 message_get_number(msg, &errnumber);
3309 message_get_description(msg, &desc);
3311 message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3312 // Get all the error message and some warning messages related to license and periodicity
3313 if ( errnumber < 0 ||
3314 err.find("license" ) != string::npos ||
3315 err.find("periodicity") != string::npos )
3317 // remove ^A from the tail
3318 int len = strlen( desc );
3319 while (len > 0 && desc[len-1] != '\n')
3321 mcud->_error->append( desc, len );
3324 if ( errnumber == 3009001 )
3325 * mcud->_progress = atof( desc + 11 ) / 100.;
3326 if ( mcud->_verbosity > 0 )
3327 std::cout << desc << std::endl;
3332 /* This is the interrupt callback. PreCAD/MG-CADSurf will call this
3333 * function regularily. See the file meshgems/interrupt.h
3335 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3337 integer you_want_to_continue = 1;
3338 BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3339 you_want_to_continue = !tmp->computeCanceled();
3341 if(you_want_to_continue)
3343 *interrupt_status = INTERRUPT_CONTINUE;
3346 else /* you want to stop MG-CADSurf */
3348 *interrupt_status = INTERRUPT_STOP;
3349 return STATUS_ERROR;
3353 //=============================================================================
3357 //=============================================================================
3358 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh& aMesh,
3359 const TopoDS_Shape& aShape,
3360 MapShapeNbElems& aResMap)
3362 double diagonal = aMesh.GetShapeDiagonalSize();
3363 double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3364 int _physicalMesh = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3365 double _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3366 bool _phySizeRel = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3367 //int _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3368 double _angleMesh = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3369 bool _quadAllowed = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
3371 _physicalMesh = (int) _hypothesis->GetPhysicalMesh();
3372 _phySizeRel = _hypothesis->IsPhySizeRel();
3373 if ( _hypothesis->GetPhySize() > 0)
3374 _phySize = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3375 //_geometricMesh = (int) hyp->GetGeometricMesh();
3376 if (_hypothesis->GetAngleMesh() > 0)
3377 _angleMesh = _hypothesis->GetAngleMesh();
3378 _quadAllowed = _hypothesis->GetQuadAllowed();
3380 //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3381 // GetDefaultPhySize() sometimes leads to computation failure
3382 _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3385 bool IsQuadratic = _quadraticMesh;
3390 TopTools_DataMapOfShapeInteger EdgesMap;
3391 double fullLen = 0.0;
3392 double fullNbSeg = 0;
3393 for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3394 TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3395 if( EdgesMap.IsBound(E) )
3397 SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3398 double aLen = SMESH_Algo::EdgeLength(E);
3401 if(_physicalMesh==1) {
3402 nb1d = (int)( aLen/_phySize + 1 );
3407 Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3408 double fullAng = 0.0;
3409 double dp = (l-f)/200;
3414 for(int j=2; j<=200; j++) {
3417 fullAng += fabs(V1.Angle(V2));
3421 nb1d = (int)( fullAng/_angleMesh + 1 );
3424 std::vector<int> aVec(SMDSEntity_Last);
3425 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3426 if( IsQuadratic > 0 ) {
3427 aVec[SMDSEntity_Node] = 2*nb1d - 1;
3428 aVec[SMDSEntity_Quad_Edge] = nb1d;
3431 aVec[SMDSEntity_Node] = nb1d - 1;
3432 aVec[SMDSEntity_Edge] = nb1d;
3434 aResMap.insert(std::make_pair(sm,aVec));
3435 EdgesMap.Bind(E,nb1d);
3437 double ELen = fullLen/fullNbSeg;
3441 // try to evaluate as in MEFISTO
3442 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3443 TopoDS_Face F = TopoDS::Face( exp.Current() );
3444 SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3446 BRepGProp::SurfaceProperties(F,G);
3447 double anArea = G.Mass();
3449 std::vector<int> nb1dVec;
3450 for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3451 int nbSeg = EdgesMap.Find(exp1.Current());
3453 nb1dVec.push_back( nbSeg );
3456 int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3457 int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3460 if ( nb1dVec.size() == 4 ) // quadrangle geom face
3462 int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3464 nbNodes = (n1 + 1) * (n2 + 1);
3469 nbTria = nbQuad = nbTria / 3 + 1;
3472 std::vector<int> aVec(SMDSEntity_Last,0);
3474 int nb1d_in = (nbTria*3 - nb1d) / 2;
3475 aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3476 aVec[SMDSEntity_Quad_Triangle] = nbTria;
3477 aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3480 aVec[SMDSEntity_Node] = nbNodes;
3481 aVec[SMDSEntity_Triangle] = nbTria;
3482 aVec[SMDSEntity_Quadrangle] = nbQuad;
3484 aResMap.insert(std::make_pair(sm,aVec));
3491 BRepGProp::VolumeProperties(aShape,G);
3492 double aVolume = G.Mass();
3493 double tetrVol = 0.1179*ELen*ELen*ELen;
3494 int nbVols = int(aVolume/tetrVol);
3495 int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3496 std::vector<int> aVec(SMDSEntity_Last);
3497 for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3499 aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3500 aVec[SMDSEntity_Quad_Tetra] = nbVols;
3503 aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3504 aVec[SMDSEntity_Tetra] = nbVols;
3506 SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3507 aResMap.insert(std::make_pair(sm,aVec));