src/BLSURFPlugin/BLSURFPlugin_BLSURF.cxx

   1 // Copyright (C) 2007-2014  CEA/DEN, EDF R&D
   2 //
   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.
   7 //
   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.
  12 //
  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
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 // ---
  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)
  25 // ---
  26
  27 #include "BLSURFPlugin_BLSURF.hxx"
  28 #include "BLSURFPlugin_Hypothesis.hxx"
  29 #include "BLSURFPlugin_Attractor.hxx"
  30
  31 extern "C"{
  32 #include <meshgems/meshgems.h>
  33 #include <meshgems/cadsurf.h>
  34 #include <meshgems/precad.h>
  35 }
  36
  37 #include <structmember.h>
  38
  39
  40 #include <Basics_Utils.hxx>
  41 #include <Basics_OCCTVersion.hxx>
  42
  43 #include <SMDS_EdgePosition.hxx>
  44 #include <SMESHDS_Group.hxx>
  45 #include <SMESH_Gen.hxx>
  46 #include <SMESH_Group.hxx>
  47 #include <SMESH_Mesh.hxx>
  48 #include <SMESH_MeshEditor.hxx>
  49 #include <SMESH_MesherHelper.hxx>
  50 #include <StdMeshers_FaceSide.hxx>
  51 #include <StdMeshers_ViscousLayers2D.hxx>
  52
  53 #include <utilities.h>
  54
  55 #include <limits>
  56 #include <list>
  57 #include <vector>
  58 #include <set>
  59 #include <cstdlib>
  60
  61 // OPENCASCADE includes
  62 #include <BRepBuilderAPI_MakeFace.hxx>
  63 #include <BRepBuilderAPI_MakePolygon.hxx>
  64 //#include <BRepBuilderAPI_MakeVertex.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 <GeomAPI_ProjectPointOnCurve.hxx>
  72 #include <GeomAPI_ProjectPointOnSurf.hxx>
  73 #include <Geom_Curve.hxx>
  74 #include <Geom_Surface.hxx>
  75 #include <NCollection_Map.hxx>
  76 #include <Standard_ErrorHandler.hxx>
  77 #include <TopExp.hxx>
  78 #include <TopExp_Explorer.hxx>
  79 #include <TopTools_DataMapOfShapeInteger.hxx>
  80 #include <TopTools_IndexedMapOfShape.hxx>
  81 #include <TopTools_MapOfShape.hxx>
  82 #include <TopoDS.hxx>
  83 #include <TopoDS_Compound.hxx>
  84 #include <TopoDS_Edge.hxx>
  85 #include <TopoDS_Face.hxx>
  86 #include <TopoDS_Shape.hxx>
  87 #include <TopoDS_Vertex.hxx>
  88 #include <TopoDS_Wire.hxx>
  89 #include <gp_Pnt.hxx>
  90 #include <gp_Pnt2d.hxx>
  91 #include <gp_XY.hxx>
  92 #include <gp_XYZ.hxx>
  93
  94 #ifndef WIN32
  95 #include <fenv.h>
  96 #endif
  97
  98 /* ==================================
  99  * ===========  PYTHON ==============
 100  * ==================================*/
 101
 102 typedef struct {
 103   PyObject_HEAD
 104   int softspace;
 105   std::string *out;
 106   } PyStdOut;
 107
 108 static void
 109 PyStdOut_dealloc(PyStdOut *self)
 110 {
 111   PyObject_Del(self);
 112 }
 113
 114 static PyObject *
 115 PyStdOut_write(PyStdOut *self, PyObject *args)
 116 {
 117   char *c;
 118   int l;
 119   if (!PyArg_ParseTuple(args, "t#:write",&c, &l))
 120     return NULL;
 121
 122   //std::cerr << c ;
 123   *(self->out)=*(self->out)+c;
 124
 125   Py_INCREF(Py_None);
 126   return Py_None;
 127 }
 128
 129 static PyMethodDef PyStdOut_methods[] = {
 130   {"write",  (PyCFunction)PyStdOut_write,  METH_VARARGS,
 131     PyDoc_STR("write(string) -> None")},
 132   {NULL,    NULL}   /* sentinel */
 133 };
 134
 135 static PyMemberDef PyStdOut_memberlist[] = {
 136   {(char*)"softspace", T_INT,  offsetof(PyStdOut, softspace), 0,
 137    (char*)"flag indicating that a space needs to be printed; used by print"},
 138   {NULL} /* Sentinel */
 139 };
 140
 141 static PyTypeObject PyStdOut_Type = {
 142   /* The ob_type field must be initialized in the module init function
 143    * to be portable to Windows without using C++. */
 144   PyObject_HEAD_INIT(NULL)
 145   0,                            /*ob_size*/
 146   "PyOut",                      /*tp_name*/
 147   sizeof(PyStdOut),             /*tp_basicsize*/
 148   0,                            /*tp_itemsize*/
 149   /* methods */
 150   (destructor)PyStdOut_dealloc, /*tp_dealloc*/
 151   0,                            /*tp_print*/
 152   0,                            /*tp_getattr*/
 153   0,                            /*tp_setattr*/
 154   0,                            /*tp_compare*/
 155   0,                            /*tp_repr*/
 156   0,                            /*tp_as_number*/
 157   0,                            /*tp_as_sequence*/
 158   0,                            /*tp_as_mapping*/
 159   0,                            /*tp_hash*/
 160   0,                            /*tp_call*/
 161   0,                            /*tp_str*/
 162   PyObject_GenericGetAttr,      /*tp_getattro*/
 163   /* softspace is writable:  we must supply tp_setattro */
 164   PyObject_GenericSetAttr,      /* tp_setattro */
 165   0,                            /*tp_as_buffer*/
 166   Py_TPFLAGS_DEFAULT,           /*tp_flags*/
 167   0,                            /*tp_doc*/
 168   0,                            /*tp_traverse*/
 169   0,                            /*tp_clear*/
 170   0,                            /*tp_richcompare*/
 171   0,                            /*tp_weaklistoffset*/
 172   0,                            /*tp_iter*/
 173   0,                            /*tp_iternext*/
 174   PyStdOut_methods,             /*tp_methods*/
 175   PyStdOut_memberlist,          /*tp_members*/
 176   0,                            /*tp_getset*/
 177   0,                            /*tp_base*/
 178   0,                            /*tp_dict*/
 179   0,                            /*tp_descr_get*/
 180   0,                            /*tp_descr_set*/
 181   0,                            /*tp_dictoffset*/
 182   0,                            /*tp_init*/
 183   0,                            /*tp_alloc*/
 184   0,                            /*tp_new*/
 185   0,                            /*tp_free*/
 186   0,                            /*tp_is_gc*/
 187 };
 188
 189 PyObject * newPyStdOut( std::string& out )
 190 {
 191   PyStdOut *self;
 192   self = PyObject_New(PyStdOut, &PyStdOut_Type);
 193   if (self == NULL)
 194     return NULL;
 195   self->softspace = 0;
 196   self->out=&out;
 197   return (PyObject*)self;
 198 }
 199
 200
 201 ////////////////////////END PYTHON///////////////////////////
 202
 203 //////////////////MY MAPS////////////////////////////////////////
 204 TopTools_IndexedMapOfShape FacesWithSizeMap;
 205 std::map<int,string> FaceId2SizeMap;
 206 TopTools_IndexedMapOfShape EdgesWithSizeMap;
 207 std::map<int,string> EdgeId2SizeMap;
 208 TopTools_IndexedMapOfShape VerticesWithSizeMap;
 209 std::map<int,string> VertexId2SizeMap;
 210
 211 std::map<int,PyObject*> FaceId2PythonSmp;
 212 std::map<int,PyObject*> EdgeId2PythonSmp;
 213 std::map<int,PyObject*> VertexId2PythonSmp;
 214
 215 std::map<int,std::vector<double> > FaceId2AttractorCoords;
 216 std::map<int,BLSURFPlugin_Attractor*> FaceId2ClassAttractor;
 217 std::map<int,BLSURFPlugin_Attractor*> FaceIndex2ClassAttractor;
 218
 219 TopTools_IndexedMapOfShape FacesWithEnforcedVertices;
 220 std::map< int, BLSURFPlugin_Hypothesis::TEnfVertexCoordsList > FaceId2EnforcedVertexCoords;
 221 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexCoords > EnfVertexCoords2ProjVertex;
 222 std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList > EnfVertexCoords2EnfVertexList;
 223
 224 bool HasSizeMapOnFace=false;
 225 bool HasSizeMapOnEdge=false;
 226 bool HasSizeMapOnVertex=false;
 227 //bool HasAttractorOnFace=false;
 228
 229 //=============================================================================
 230 /*!
 231  *
 232  */
 233 //=============================================================================
 234
 235 BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF(int hypId, int studyId,
 236                                                SMESH_Gen* gen)
 237   : SMESH_2D_Algo(hypId, studyId, gen)
 238 {
 239   MESSAGE("BLSURFPlugin_BLSURF::BLSURFPlugin_BLSURF");
 240
 241   _name = "BLSURF";
 242   _shapeType = (1 << TopAbs_FACE); // 1 bit /shape type
 243   _compatibleHypothesis.push_back(BLSURFPlugin_Hypothesis::GetHypType());
 244   _compatibleHypothesis.push_back(StdMeshers_ViscousLayers2D::GetHypType());
 245   _requireDiscreteBoundary = false;
 246   _onlyUnaryInput = false;
 247   _hypothesis = NULL;
 248   _supportSubmeshes = true;
 249
 250   smeshGen_i = SMESH_Gen_i::GetSMESHGen();
 251   CORBA::Object_var anObject = smeshGen_i->GetNS()->Resolve("/myStudyManager");
 252   SALOMEDS::StudyManager_var aStudyMgr = SALOMEDS::StudyManager::_narrow(anObject);
 253
 254   MESSAGE("studyid = " << _studyId);
 255
 256   myStudy = NULL;
 257   myStudy = aStudyMgr->GetStudyByID(_studyId);
 258   if ( !myStudy->_is_nil() )
 259     MESSAGE("myStudy->StudyId() = " << myStudy->StudyId());
 260
 261   /* Initialize the Python interpreter */
 262   assert(Py_IsInitialized());
 263   PyGILState_STATE gstate;
 264   gstate = PyGILState_Ensure();
 265
 266   main_mod = NULL;
 267   main_mod = PyImport_AddModule("__main__");
 268
 269   main_dict = NULL;
 270   main_dict = PyModule_GetDict(main_mod);
 271
 272   PyRun_SimpleString("from math import *");
 273   PyGILState_Release(gstate);
 274
 275   FacesWithSizeMap.Clear();
 276   FaceId2SizeMap.clear();
 277   EdgesWithSizeMap.Clear();
 278   EdgeId2SizeMap.clear();
 279   VerticesWithSizeMap.Clear();
 280   VertexId2SizeMap.clear();
 281   FaceId2PythonSmp.clear();
 282   EdgeId2PythonSmp.clear();
 283   VertexId2PythonSmp.clear();
 284   FaceId2AttractorCoords.clear();
 285   FaceId2ClassAttractor.clear();
 286   FaceIndex2ClassAttractor.clear();
 287   FacesWithEnforcedVertices.Clear();
 288   FaceId2EnforcedVertexCoords.clear();
 289   EnfVertexCoords2ProjVertex.clear();
 290   EnfVertexCoords2EnfVertexList.clear();
 291
 292   _compute_canceled = false;
 293 }
 294
 295 //=============================================================================
 296 /*!
 297  *
 298  */
 299 //=============================================================================
 300
 301 BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF()
 302 {
 303   MESSAGE("BLSURFPlugin_BLSURF::~BLSURFPlugin_BLSURF");
 304 }
 305
 306
 307 //=============================================================================
 308 /*!
 309  *
 310  */
 311 //=============================================================================
 312
 313 bool BLSURFPlugin_BLSURF::CheckHypothesis
 314                          (SMESH_Mesh&                          aMesh,
 315                           const TopoDS_Shape&                  aShape,
 316                           SMESH_Hypothesis::Hypothesis_Status& aStatus)
 317 {
 318   _hypothesis        = NULL;
 319   _haveViscousLayers = false;
 320
 321   list<const SMESHDS_Hypothesis*>::const_iterator itl;
 322   const SMESHDS_Hypothesis* theHyp;
 323
 324   const list<const SMESHDS_Hypothesis*>& hyps = GetUsedHypothesis(aMesh, aShape,
 325                                                                   /*ignoreAuxiliary=*/false);
 326   aStatus = SMESH_Hypothesis::HYP_OK;
 327   if ( hyps.empty() )
 328   {
 329     return true;  // can work with no hypothesis
 330   }
 331
 332   for ( itl = hyps.begin(); itl != hyps.end(); ++itl )
 333   {
 334     theHyp = *itl;
 335     string hypName = theHyp->GetName();
 336     if ( hypName == BLSURFPlugin_Hypothesis::GetHypType() )
 337     {
 338       _hypothesis = static_cast<const BLSURFPlugin_Hypothesis*> (theHyp);
 339       ASSERT(_hypothesis);
 340       if ( _hypothesis->GetPhysicalMesh() == BLSURFPlugin_Hypothesis::DefaultSize &&
 341            _hypothesis->GetGeometricMesh() == BLSURFPlugin_Hypothesis::DefaultGeom )
 342         //  hphy_flag = 0 and hgeo_flag = 0 is not allowed (spec)
 343         aStatus = SMESH_Hypothesis::HYP_BAD_PARAMETER;
 344     }
 345     else if ( hypName == StdMeshers_ViscousLayers2D::GetHypType() )
 346     {
 347       _haveViscousLayers = true;
 348     }
 349     else
 350     {
 351       aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
 352     }
 353   }
 354   return aStatus == SMESH_Hypothesis::HYP_OK;
 355 }
 356
 357 //=============================================================================
 358 /*!
 359  * Pass parameters to BLSURF
 360  */
 361 //=============================================================================
 362
 363 inline std::string to_string(double d)
 364 {
 365    std::ostringstream o;
 366    o << d;
 367    return o.str();
 368 }
 369
 370 inline std::string to_string_rel(double d)
 371 {
 372    std::ostringstream o;
 373    o << d;
 374    o << 'r';
 375    return o.str();
 376 }
 377
 378 inline std::string to_string(int i)
 379 {
 380    std::ostringstream o;
 381    o << i;
 382    return o.str();
 383 }
 384
 385 inline std::string to_string_rel(int i)
 386 {
 387    std::ostringstream o;
 388    o << i;
 389    o << 'r';
 390    return o.str();
 391 }
 392
 393 double _smp_phy_size;
 394 // #if BLSURF_VERSION_LONG >= "3.1.1"
 395 // //   sizemap_t *geo_sizemap_e, *geo_sizemap_f;
 396 //   sizemap_t *iso_sizemap_p, *iso_sizemap_e, *iso_sizemap_f;
 397 // //   sizemap_t *clean_geo_sizemap_e, *clean_geo_sizemap_f;
 398 //   sizemap_t *clean_iso_sizemap_p, *clean_iso_sizemap_e, *clean_iso_sizemap_f;
 399 // #endif
 400 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data);
 401 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data);
 402 status_t size_on_vertex(integer vertex_id, real *size, void *user_data);
 403
 404 typedef struct {
 405         gp_XY uv;
 406         gp_XYZ xyz;
 407 } projectionPoint;
 408 /////////////////////////////////////////////////////////
 409 projectionPoint getProjectionPoint(const TopoDS_Face& face, const gp_Pnt& point)
 410 {
 411   projectionPoint myPoint;
 412   Handle(Geom_Surface) surface = BRep_Tool::Surface(face);
 413   GeomAPI_ProjectPointOnSurf projector( point, surface );
 414   if ( !projector.IsDone() || projector.NbPoints()==0 )
 415     throw "getProjectionPoint: Can't project";
 416
 417   Quantity_Parameter u,v;
 418   projector.LowerDistanceParameters(u,v);
 419   myPoint.uv = gp_XY(u,v);
 420   gp_Pnt aPnt = projector.NearestPoint();
 421   myPoint.xyz = gp_XYZ(aPnt.X(),aPnt.Y(),aPnt.Z());
 422   //return gp_XY(u,v);
 423   return myPoint;
 424 }
 425 /////////////////////////////////////////////////////////
 426
 427 /////////////////////////////////////////////////////////
 428 double getT(const TopoDS_Edge& edge, const gp_Pnt& point)
 429 {
 430   Standard_Real f,l;
 431   Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, f,l);
 432   GeomAPI_ProjectPointOnCurve projector( point, curve);
 433   if ( projector.NbPoints() == 0 )
 434     throw;
 435   return projector.LowerDistanceParameter();
 436 }
 437
 438 /////////////////////////////////////////////////////////
 439 TopoDS_Shape BLSURFPlugin_BLSURF::entryToShape(std::string entry)
 440 {
 441   MESSAGE("BLSURFPlugin_BLSURF::entryToShape "<<entry );
 442   GEOM::GEOM_Object_var aGeomObj;
 443   TopoDS_Shape S = TopoDS_Shape();
 444   SALOMEDS::SObject_var aSObj = myStudy->FindObjectID( entry.c_str() );
 445   if (!aSObj->_is_nil()) {
 446     CORBA::Object_var obj = aSObj->GetObject();
 447     aGeomObj = GEOM::GEOM_Object::_narrow(obj);
 448     aSObj->UnRegister();
 449   }
 450   if ( !aGeomObj->_is_nil() )
 451     S = smeshGen_i->GeomObjectToShape( aGeomObj.in() );
 452   return S;
 453 }
 454
 455 void _createEnforcedVertexOnFace(TopoDS_Face faceShape, gp_Pnt aPnt, BLSURFPlugin_Hypothesis::TEnfVertex *enfVertex)
 456 {
 457   BLSURFPlugin_Hypothesis::TEnfVertexCoords enf_coords, coords, s_coords;
 458   enf_coords.clear();
 459   coords.clear();
 460   s_coords.clear();
 461
 462   // Get the (u,v) values of the enforced vertex on the face
 463   projectionPoint myPoint = getProjectionPoint(faceShape,aPnt);
 464
 465   MESSAGE("Enforced Vertex: " << aPnt.X() << ", " << aPnt.Y() << ", " << aPnt.Z());
 466   MESSAGE("Projected Vertex: " << myPoint.xyz.X() << ", " << myPoint.xyz.Y() << ", " << myPoint.xyz.Z());
 467   MESSAGE("Parametric coordinates: " << myPoint.uv.X() << ", " << myPoint.uv.Y() );
 468
 469   enf_coords.push_back(aPnt.X());
 470   enf_coords.push_back(aPnt.Y());
 471   enf_coords.push_back(aPnt.Z());
 472
 473   coords.push_back(myPoint.uv.X());
 474   coords.push_back(myPoint.uv.Y());
 475   coords.push_back(myPoint.xyz.X());
 476   coords.push_back(myPoint.xyz.Y());
 477   coords.push_back(myPoint.xyz.Z());
 478
 479   s_coords.push_back(myPoint.xyz.X());
 480   s_coords.push_back(myPoint.xyz.Y());
 481   s_coords.push_back(myPoint.xyz.Z());
 482
 483   // Save pair projected vertex / enf vertex
 484   MESSAGE("Storing pair projected vertex / enf vertex:");
 485   MESSAGE("("<< myPoint.xyz.X() << ", " << myPoint.xyz.Y() << ", " << myPoint.xyz.Z() <<") / (" << aPnt.X() << ", " << aPnt.Y() << ", " << aPnt.Z()<<")");
 486   EnfVertexCoords2ProjVertex[s_coords] = enf_coords;
 487   MESSAGE("Group name is: \"" << enfVertex->grpName << "\"");
 488   pair<BLSURFPlugin_Hypothesis::TEnfVertexList::iterator,bool> ret;
 489   BLSURFPlugin_Hypothesis::TEnfVertexList::iterator it;
 490   ret = EnfVertexCoords2EnfVertexList[s_coords].insert(enfVertex);
 491   if (ret.second == false) {
 492     it = ret.first;
 493     (*it)->grpName = enfVertex->grpName;
 494   }
 495
 496   int key = 0;
 497   if (! FacesWithEnforcedVertices.Contains(faceShape)) {
 498     key = FacesWithEnforcedVertices.Add(faceShape);
 499   }
 500   else {
 501     key = FacesWithEnforcedVertices.FindIndex(faceShape);
 502   }
 503
 504   // If a node is already created by an attractor, do not create enforced vertex
 505   int attractorKey = FacesWithSizeMap.FindIndex(faceShape);
 506   bool sameAttractor = false;
 507   if (attractorKey >= 0)
 508     if (FaceId2AttractorCoords.count(attractorKey) > 0)
 509       if (FaceId2AttractorCoords[attractorKey] == coords)
 510         sameAttractor = true;
 511
 512   if (FaceId2EnforcedVertexCoords.find(key) != FaceId2EnforcedVertexCoords.end()) {
 513     MESSAGE("Map of enf. vertex has key " << key)
 514     MESSAGE("Enf. vertex list size is: " << FaceId2EnforcedVertexCoords[key].size())
 515     if (! sameAttractor)
 516       FaceId2EnforcedVertexCoords[key].insert(coords); // there should be no redondant coords here (see std::set management)
 517     else
 518       MESSAGE("An attractor node is already defined: I don't add the enforced vertex");
 519     MESSAGE("New Enf. vertex list size is: " << FaceId2EnforcedVertexCoords[key].size())
 520   }
 521   else {
 522     MESSAGE("Map of enf. vertex has not key " << key << ": creating it")
 523     if (! sameAttractor) {
 524       BLSURFPlugin_Hypothesis::TEnfVertexCoordsList ens;
 525       ens.insert(coords);
 526       FaceId2EnforcedVertexCoords[key] = ens;
 527     }
 528     else
 529       MESSAGE("An attractor node is already defined: I don't add the enforced vertex");
 530   }
 531 }
 532
 533 /////////////////////////////////////////////////////////
 534 void BLSURFPlugin_BLSURF::createEnforcedVertexOnFace(TopoDS_Shape faceShape, BLSURFPlugin_Hypothesis::TEnfVertexList enfVertexList)
 535 {
 536   BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex;
 537   gp_Pnt aPnt;
 538
 539   BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfVertexListIt = enfVertexList.begin();
 540
 541   for( ; enfVertexListIt != enfVertexList.end() ; ++enfVertexListIt ) {
 542     enfVertex = *enfVertexListIt;
 543     // Case of manual coords
 544     if (enfVertex->coords.size() != 0) {
 545       aPnt.SetCoord(enfVertex->coords[0],enfVertex->coords[1],enfVertex->coords[2]);
 546       _createEnforcedVertexOnFace( TopoDS::Face(faceShape),  aPnt, enfVertex);
 547     }
 548
 549     // Case of geom vertex coords
 550     if (enfVertex->geomEntry != "") {
 551       TopoDS_Shape GeomShape = entryToShape(enfVertex->geomEntry);
 552       TopAbs_ShapeEnum GeomType  = GeomShape.ShapeType();
 553        if (GeomType == TopAbs_VERTEX){
 554          aPnt = BRep_Tool::Pnt(TopoDS::Vertex(GeomShape));
 555          _createEnforcedVertexOnFace( TopoDS::Face(faceShape),  aPnt, enfVertex);
 556        }
 557        // Group Management
 558        if (GeomType == TopAbs_COMPOUND){
 559          for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
 560            if (it.Value().ShapeType() == TopAbs_VERTEX){
 561              aPnt = BRep_Tool::Pnt(TopoDS::Vertex(it.Value()));
 562              _createEnforcedVertexOnFace( TopoDS::Face(faceShape),  aPnt, enfVertex);
 563            }
 564          }
 565        }
 566     }
 567   }
 568 }
 569
 570 /////////////////////////////////////////////////////////
 571 void createAttractorOnFace(TopoDS_Shape GeomShape, std::string AttractorFunction, double defaultSize)
 572 {
 573   MESSAGE("Attractor function: "<< AttractorFunction);
 574   double xa, ya, za; // Coordinates of attractor point
 575   double a, b;       // Attractor parameter
 576   double d = 0.;
 577   bool createNode=false; // To create a node on attractor projection
 578   int pos1, pos2;
 579   const char *sep = ";";
 580   // atIt->second has the following pattern:
 581   // ATTRACTOR(xa;ya;za;a;b;True|False;d)
 582   // where:
 583   // xa;ya;za : coordinates of  attractor
 584   // a        : desired size on attractor
 585   // b        : distance of influence of attractor
 586   // d        : distance until which the size remains constant
 587   //
 588   // We search the parameters in the string
 589   // xa
 590   pos1 = AttractorFunction.find(sep);
 591   if (pos1!=string::npos)
 592   xa = atof(AttractorFunction.substr(10, pos1-10).c_str());
 593   // ya
 594   pos2 = AttractorFunction.find(sep, pos1+1);
 595   if (pos2!=string::npos) {
 596   ya = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
 597   pos1 = pos2;
 598   }
 599   // za
 600   pos2 = AttractorFunction.find(sep, pos1+1);
 601   if (pos2!=string::npos) {
 602   za = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
 603   pos1 = pos2;
 604   }
 605   // a
 606   pos2 = AttractorFunction.find(sep, pos1+1);
 607   if (pos2!=string::npos) {
 608   a = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
 609   pos1 = pos2;
 610   }
 611   // b
 612   pos2 = AttractorFunction.find(sep, pos1+1);
 613   if (pos2!=string::npos) {
 614   b = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
 615   pos1 = pos2;
 616   }
 617   // createNode
 618   pos2 = AttractorFunction.find(sep, pos1+1);
 619   if (pos2!=string::npos) {
 620     string createNodeStr = AttractorFunction.substr(pos1+1, pos2-pos1-1);
 621     MESSAGE("createNode: " << createNodeStr);
 622     createNode = (AttractorFunction.substr(pos1+1, pos2-pos1-1) == "True");
 623     pos1=pos2;
 624   }
 625   // d
 626   pos2 = AttractorFunction.find(")");
 627   if (pos2!=string::npos) {
 628   d = atof(AttractorFunction.substr(pos1+1, pos2-pos1-1).c_str());
 629   }
 630
 631   // Get the (u,v) values of the attractor on the face
 632   projectionPoint myPoint = getProjectionPoint(TopoDS::Face(GeomShape),gp_Pnt(xa,ya,za));
 633   gp_XY uvPoint = myPoint.uv;
 634   gp_XYZ xyzPoint = myPoint.xyz;
 635   Standard_Real u0 = uvPoint.X();
 636   Standard_Real v0 = uvPoint.Y();
 637   Standard_Real x0 = xyzPoint.X();
 638   Standard_Real y0 = xyzPoint.Y();
 639   Standard_Real z0 = xyzPoint.Z();
 640   std::vector<double> coords;
 641   coords.push_back(u0);
 642   coords.push_back(v0);
 643   coords.push_back(x0);
 644   coords.push_back(y0);
 645   coords.push_back(z0);
 646   // We construct the python function
 647   ostringstream attractorFunctionStream;
 648   attractorFunctionStream << "def f(u,v): return ";
 649   attractorFunctionStream << defaultSize << "-(" << defaultSize <<"-" << a << ")";
 650   //attractorFunctionStream << "*exp(-((u-("<<u0<<"))*(u-("<<u0<<"))+(v-("<<v0<<"))*(v-("<<v0<<")))/(" << b << "*" << b <<"))";
 651   // rnc: make possible to keep the size constant until
 652   // a defined distance. Distance is expressed as the positiv part
 653   // of r-d where r is the distance to (u0,v0)
 654   attractorFunctionStream << "*exp(-(0.5*(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"+abs(sqrt((u-"<<u0<<")**2+(v-"<<v0<<")**2)-"<<d<<"))/(" << b << "))**2)";
 655
 656   MESSAGE("Python function for attractor:" << std::endl << attractorFunctionStream.str());
 657
 658   int key;
 659   if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
 660     key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
 661   }
 662   else {
 663     key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
 664   }
 665   FaceId2SizeMap[key] =attractorFunctionStream.str();
 666   if (createNode) {
 667     MESSAGE("Creating node on ("<<x0<<","<<y0<<","<<z0<<")");
 668     FaceId2AttractorCoords[key] = coords;
 669   }
 670 //   // Test for new attractors
 671 //   gp_Pnt myP(xyzPoint);
 672 //   TopoDS_Vertex myV = BRepBuilderAPI_MakeVertex(myP);
 673 //   BLSURFPlugin_Attractor myAttractor(TopoDS::Face(GeomShape),myV,200);
 674 //   myAttractor.SetParameters(a, defaultSize, b, d);
 675 //   myAttractor.SetType(1);
 676 //   FaceId2ClassAttractor[key] = myAttractor;
 677 //   if(FaceId2ClassAttractor[key].GetFace().IsNull()){
 678 //     MESSAGE("face nulle ");
 679 //   }
 680 //   else
 681 //     MESSAGE("face OK");
 682 //
 683 //   if (FaceId2ClassAttractor[key].GetAttractorShape().IsNull()){
 684 //     MESSAGE("pas de point");
 685 //   }
 686 //   else
 687 //     MESSAGE("point OK");
 688 }
 689
 690 // One sub-shape to get ids from
 691 BLSURFPlugin_BLSURF::TListOfIDs _getSubShapeIDsInMainShape(TopoDS_Shape theMainShape, TopoDS_Shape theSubShape,
 692     TopAbs_ShapeEnum theShapeType)
 693 {
 694   BLSURFPlugin_BLSURF::TListOfIDs face_ids;
 695   TopTools_IndexedMapOfShape anIndices;
 696   anIndices.Clear();
 697   TopExp::MapShapes(theMainShape, theShapeType, anIndices);
 698
 699 //  Standard_Boolean result = BRepTools::Write(theMainShape,"main_shape.brep");
 700
 701   for (TopExp_Explorer face_iter(theSubShape,theShapeType);face_iter.More();face_iter.Next())
 702     {
 703       int face_id = anIndices.FindIndex(face_iter.Current());
 704       if (face_id == 0)
 705         throw SALOME_Exception ( SMESH_Comment("Sub_shape not found in main_shape"));
 706       face_ids.push_back(face_id);
 707 //      std::ostringstream o;
 708 //      o << "face_" << face_id << ".brep";
 709 //      std::string face_name = o.str();
 710 //      const TopoDS_Face& face = TopoDS::Face(face_iter.Current());
 711 //      Standard_Boolean result = BRepTools::Write(face,face_name.c_str());
 712     }
 713
 714   return face_ids;
 715 }
 716
 717 void BLSURFPlugin_BLSURF::addCoordsFromVertices(const std::vector<std::string> &theVerticesEntries, std::vector<double> &theVerticesCoords)
 718 {
 719   for (std::vector<std::string>::const_iterator it = theVerticesEntries.begin(); it != theVerticesEntries.end(); it++)
 720     {
 721       BLSURFPlugin_Hypothesis::TEntry theVertexEntry = *it;
 722       MESSAGE("Vertex entry " << theVertexEntry);
 723       addCoordsFromVertex(theVertexEntry, theVerticesCoords);
 724     }
 725 }
 726
 727
 728 void BLSURFPlugin_BLSURF::addCoordsFromVertex(BLSURFPlugin_Hypothesis::TEntry theVertexEntry, std::vector<double> &theVerticesCoords)
 729 {
 730   if (theVertexEntry!="")
 731     {
 732       TopoDS_Shape aShape = entryToShape(theVertexEntry);
 733
 734       gp_Pnt aPnt = BRep_Tool::Pnt( TopoDS::Vertex( aShape ) );
 735       double theX, theY, theZ;
 736       theX = aPnt.X();
 737       theY = aPnt.Y();
 738       theZ = aPnt.Z();
 739
 740       theVerticesCoords.push_back(theX);
 741       theVerticesCoords.push_back(theY);
 742       theVerticesCoords.push_back(theZ);
 743     }
 744 }
 745
 746 /////////////////////////////////////////////////////////
 747 void BLSURFPlugin_BLSURF::createPreCadFacesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
 748 {
 749   MESSAGE("BLSURFPlugin_BLSURF::createFacesPeriodicity");
 750
 751   TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
 752   TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
 753
 754   TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_FACE);
 755   TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_FACE);
 756
 757   TPreCadPeriodicityIDs preCadFacesPeriodicityIDs;
 758   preCadFacesPeriodicityIDs.shape1IDs = theFace1_ids;
 759   preCadFacesPeriodicityIDs.shape2IDs = theFace2_ids;
 760
 761   MESSAGE("preCadPeriodicity.theSourceVerticesEntries.size(): " << preCadPeriodicity.theSourceVerticesEntries.size());
 762   MESSAGE("preCadPeriodicity.theTargetVerticesEntries.size(): " << preCadPeriodicity.theTargetVerticesEntries.size());
 763
 764   addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadFacesPeriodicityIDs.theSourceVerticesCoords);
 765   addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadFacesPeriodicityIDs.theTargetVerticesCoords);
 766
 767   MESSAGE("preCadFacesPeriodicityIDs.theSourceVerticesCoords.size(): " << preCadFacesPeriodicityIDs.theSourceVerticesCoords.size());
 768   MESSAGE("preCadFacesPeriodicityIDs.theTargetVerticesCoords.size(): " << preCadFacesPeriodicityIDs.theTargetVerticesCoords.size());
 769
 770   _preCadFacesIDsPeriodicityVector.push_back(preCadFacesPeriodicityIDs);
 771   MESSAGE("_preCadFacesIDsPeriodicityVector.size() = " << _preCadFacesIDsPeriodicityVector.size());
 772   MESSAGE("BLSURFPlugin_BLSURF::createFacesPeriodicity END");
 773
 774 }
 775
 776 /////////////////////////////////////////////////////////
 777 void BLSURFPlugin_BLSURF::createPreCadEdgesPeriodicity(TopoDS_Shape theGeomShape, const BLSURFPlugin_Hypothesis::TPreCadPeriodicity &preCadPeriodicity)
 778 {
 779   MESSAGE("BLSURFPlugin_BLSURF::createEdgesPeriodicity");
 780
 781   TopoDS_Shape geomShape1 = entryToShape(preCadPeriodicity.shape1Entry);
 782   TopoDS_Shape geomShape2 = entryToShape(preCadPeriodicity.shape2Entry);
 783
 784   TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape1, TopAbs_EDGE);
 785   TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, geomShape2, TopAbs_EDGE);
 786
 787   TPreCadPeriodicityIDs preCadEdgesPeriodicityIDs;
 788   preCadEdgesPeriodicityIDs.shape1IDs = theEdge1_ids;
 789   preCadEdgesPeriodicityIDs.shape2IDs = theEdge2_ids;
 790
 791   addCoordsFromVertices(preCadPeriodicity.theSourceVerticesEntries, preCadEdgesPeriodicityIDs.theSourceVerticesCoords);
 792   addCoordsFromVertices(preCadPeriodicity.theTargetVerticesEntries, preCadEdgesPeriodicityIDs.theTargetVerticesCoords);
 793
 794   _preCadEdgesIDsPeriodicityVector.push_back(preCadEdgesPeriodicityIDs);
 795   MESSAGE("_preCadEdgesIDsPeriodicityVector.size() = " << _preCadEdgesIDsPeriodicityVector.size());
 796   MESSAGE("BLSURFPlugin_BLSURF::createEdgesPeriodicity END");
 797
 798 }
 799
 800 /////////////////////////////////////////////////////////
 801 void BLSURFPlugin_BLSURF::createFacesPeriodicity(TopoDS_Shape theGeomShape, BLSURFPlugin_Hypothesis::TEntry theFace1,  BLSURFPlugin_Hypothesis::TEntry theFace2)
 802 {
 803   MESSAGE("BLSURFPlugin_BLSURF::createFacesPeriodicity");
 804
 805   TopoDS_Shape GeomShape1 = entryToShape(theFace1);
 806   TopoDS_Shape GeomShape2 = entryToShape(theFace2);
 807
 808   TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomShape1, TopAbs_FACE);
 809   TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomShape2, TopAbs_FACE);
 810
 811   // Only one face id, since only a face can be selected
 812   int theFace1_id = theFace1_ids[0];
 813   int theFace2_id = theFace2_ids[0];
 814
 815   std::pair<int, int> pairOfFacesID = std::make_pair(theFace1_id, theFace2_id);
 816
 817   _facesIDsPeriodicityVector.push_back(pairOfFacesID);
 818   MESSAGE("_facesIDsPeriodicityVector.size() = " << _facesIDsPeriodicityVector.size());
 819   MESSAGE("BLSURFPlugin_BLSURF::createFacesPeriodicity END");
 820
 821 }
 822
 823
 824 /////////////////////////////////////////////////////////
 825 void BLSURFPlugin_BLSURF::createEdgesPeriodicity(TopoDS_Shape theGeomShape, BLSURFPlugin_Hypothesis::TEntry theFace1, BLSURFPlugin_Hypothesis::TEntry theEdge1,
 826     BLSURFPlugin_Hypothesis::TEntry theFace2, BLSURFPlugin_Hypothesis::TEntry theEdge2, int edge_orientation)
 827 {
 828   MESSAGE("BLSURFPlugin_BLSURF::createEdgesPeriodicity");
 829
 830   TEdgePeriodicityIDs edgePeriodicityIDs;
 831
 832   if (theFace1 != "")
 833     {
 834       TopoDS_Shape GeomFace1 = entryToShape(theFace1);
 835       TListOfIDs theFace1_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomFace1, TopAbs_FACE);
 836       // Only one face id, since only a face can be selected
 837       edgePeriodicityIDs.theFace1ID = theFace1_ids[0];
 838     }
 839   else
 840     edgePeriodicityIDs.theFace1ID = 0;
 841   if (theFace2 != "")
 842     {
 843       TopoDS_Shape GeomFace2 = entryToShape(theFace2);
 844       TListOfIDs theFace2_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomFace2, TopAbs_FACE);
 845       edgePeriodicityIDs.theFace2ID = theFace2_ids[0];
 846     }
 847   else
 848     edgePeriodicityIDs.theFace2ID = 0;
 849
 850   TopoDS_Shape GeomEdge1 = entryToShape(theEdge1);
 851   TopoDS_Shape GeomEdge2 = entryToShape(theEdge2);
 852
 853   TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomEdge1, TopAbs_EDGE);
 854   TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomEdge2, TopAbs_EDGE);
 855
 856   if (edge_orientation == 0 && GeomEdge1.Closed())
 857     {
 858       // if edge is closed, we have to set its orientation
 859       MESSAGE("GeomEdge1.Orientation() = " << GeomEdge1.Orientation());
 860       MESSAGE("GeomEdge2.Orientation() = " << GeomEdge2.Orientation());
 861       if(GeomEdge1.Orientation() == TopAbs_FORWARD)
 862         edge_orientation = CAD_ORIENTATION_REVERSED;
 863       else
 864         edge_orientation = CAD_ORIENTATION_FORWARD;
 865     }
 866
 867   // Only one edge id, since only a edge can be selected
 868   edgePeriodicityIDs.theEdge1ID = theEdge1_ids[0];
 869   edgePeriodicityIDs.theEdge2ID = theEdge2_ids[0];
 870   edgePeriodicityIDs.edge_orientation = edge_orientation;
 871
 872   _edgesIDsPeriodicityVector.push_back(edgePeriodicityIDs);
 873   MESSAGE("_edgesIDsPeriodicityVector.size() = " << _edgesIDsPeriodicityVector.size());
 874   MESSAGE("BLSURFPlugin_BLSURF::createEdgesPeriodicity END");
 875
 876 }
 877
 878
 879 /////////////////////////////////////////////////////////
 880 void BLSURFPlugin_BLSURF::createVerticesPeriodicity(TopoDS_Shape theGeomShape, BLSURFPlugin_Hypothesis::TEntry theEdge1, BLSURFPlugin_Hypothesis::TEntry theVertex1,
 881     BLSURFPlugin_Hypothesis::TEntry theEdge2, BLSURFPlugin_Hypothesis::TEntry theVertex2)
 882 {
 883   MESSAGE("BLSURFPlugin_BLSURF::createVerticesPeriodicity");
 884
 885   TopoDS_Shape GeomEdge1 = entryToShape(theEdge1);
 886   TopoDS_Shape GeomVertex1 = entryToShape(theVertex1);
 887   TopoDS_Shape GeomEdge2 = entryToShape(theEdge2);
 888   TopoDS_Shape GeomVertex2 = entryToShape(theVertex2);
 889
 890   TListOfIDs theEdge1_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomEdge1, TopAbs_EDGE);
 891   TListOfIDs vertices1_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomVertex1, TopAbs_VERTEX);
 892   TListOfIDs theEdge2_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomEdge2, TopAbs_EDGE);
 893   TListOfIDs vertices2_ids = _getSubShapeIDsInMainShape(theGeomShape, GeomVertex2, TopAbs_VERTEX);
 894
 895   // Only one vertex id, since only a vertex can be selected
 896   TVertexPeriodicityIDs vertexPeriodicityIDs;
 897   vertexPeriodicityIDs.theEdge1ID = theEdge1_ids[0];
 898   vertexPeriodicityIDs.theVertex1ID = vertices1_ids[0];
 899   vertexPeriodicityIDs.theEdge2ID = theEdge2_ids[0];
 900   vertexPeriodicityIDs.theVertex2ID = vertices2_ids[0];
 901
 902   _verticesIDsPeriodicityVector.push_back(vertexPeriodicityIDs);
 903   MESSAGE("_verticesIDsPeriodicityVector.size() = " << _verticesIDsPeriodicityVector.size());
 904   MESSAGE("BLSURFPlugin_BLSURF::createVerticesPeriodicity END");
 905
 906 }
 907
 908 /////////////////////////////////////////////////////////
 909
 910 void BLSURFPlugin_BLSURF::SetParameters(
 911 // #if BLSURF_VERSION_LONG >= "3.1.1"
 912 //                                         cad_t *                          c,
 913 // #endif
 914                                         const BLSURFPlugin_Hypothesis* hyp,
 915                                         cadsurf_session_t *            css,
 916                                         precad_session_t *             pcs,
 917                                         const TopoDS_Shape&            theGeomShape,
 918                                         bool *                  use_precad
 919                                        )
 920 {
 921   // rnc : Bug 1457
 922   // Clear map so that it is not stored in the algorithm with old enforced vertices in it
 923   EnfVertexCoords2EnfVertexList.clear();
 924
 925    double diagonal               = SMESH_Mesh::GetShapeDiagonalSize( theGeomShape );
 926    double bbSegmentation         = _gen->GetBoundaryBoxSegmentation();
 927    int    _physicalMesh          = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
 928    int    _geometricMesh         = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
 929    double _phySize               = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
 930    bool   _phySizeRel            = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
 931    double _minSize               = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
 932    bool   _minSizeRel            = BLSURFPlugin_Hypothesis::GetDefaultMinSizeRel();
 933    double _maxSize               = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
 934    bool   _maxSizeRel            = BLSURFPlugin_Hypothesis::GetDefaultMaxSizeRel();
 935    double _gradation             = BLSURFPlugin_Hypothesis::GetDefaultGradation();
 936    bool   _quadAllowed           = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
 937    double _angleMesh             = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
 938    double _chordalError          = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
 939    bool   _anisotropic           = BLSURFPlugin_Hypothesis::GetDefaultAnisotropic();
 940    double _anisotropicRatio      = BLSURFPlugin_Hypothesis::GetDefaultAnisotropicRatio();
 941    bool   _removeTinyEdges       = BLSURFPlugin_Hypothesis::GetDefaultRemoveTinyEdges();
 942    double _tinyEdgeLength        = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
 943    bool   _badElementRemoval     = BLSURFPlugin_Hypothesis::GetDefaultBadElementRemoval();
 944    double _badElementAspectRatio = BLSURFPlugin_Hypothesis::GetDefaultBadElementAspectRatio();
 945    bool   _optimizeMesh          = BLSURFPlugin_Hypothesis::GetDefaultOptimizeMesh();
 946    bool   _quadraticMesh         = BLSURFPlugin_Hypothesis::GetDefaultQuadraticMesh();
 947    int    _verb                  = BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
 948    int    _topology              = BLSURFPlugin_Hypothesis::GetDefaultTopology();
 949
 950   // PreCAD
 951    int _precadMergeEdges         = BLSURFPlugin_Hypothesis::GetDefaultPreCADMergeEdges();
 952    int _precadProcess3DTopology  = BLSURFPlugin_Hypothesis::GetDefaultPreCADProcess3DTopology();
 953    int _precadDiscardInput       = BLSURFPlugin_Hypothesis::GetDefaultPreCADDiscardInput();
 954
 955
 956   if (hyp) {
 957     MESSAGE("BLSURFPlugin_BLSURF::SetParameters");
 958     _physicalMesh  = (int) hyp->GetPhysicalMesh();
 959     _geometricMesh = (int) hyp->GetGeometricMesh();
 960     if (hyp->GetPhySize() > 0) {
 961       _phySize       = hyp->GetPhySize();
 962       // if user size is not explicitly specified, "relative" flag is ignored
 963       _phySizeRel    = hyp->IsPhySizeRel();
 964     }
 965     if (hyp->GetMinSize() > 0) {
 966       _minSize       = hyp->GetMinSize();
 967       // if min size is not explicitly specified, "relative" flag is ignored
 968       _minSizeRel    = hyp->IsMinSizeRel();
 969     }
 970     if (hyp->GetMaxSize() > 0) {
 971       _maxSize       = hyp->GetMaxSize();
 972       // if max size is not explicitly specified, "relative" flag is ignored
 973       _maxSizeRel    = hyp->IsMaxSizeRel();
 974     }
 975     if (hyp->GetGradation() > 0)
 976       _gradation     = hyp->GetGradation();
 977     _quadAllowed   = hyp->GetQuadAllowed();
 978      if (hyp->GetAngleMesh() > 0)
 979      _angleMesh     = hyp->GetAngleMesh();
 980      if (hyp->GetChordalError() > 0)
 981        _chordalError           = hyp->GetChordalError();
 982      _anisotropic            = hyp->GetAnisotropic();
 983      if (hyp->GetAnisotropicRatio() >= 0)
 984        _anisotropicRatio       = hyp->GetAnisotropicRatio();
 985      _removeTinyEdges        = hyp->GetRemoveTinyEdges();
 986      if (hyp->GetTinyEdgeLength() > 0)
 987        _tinyEdgeLength         = hyp->GetTinyEdgeLength();
 988      _badElementRemoval      = hyp->GetBadElementRemoval();
 989      if (hyp->GetBadElementAspectRatio() >= 0)
 990        _badElementAspectRatio  = hyp->GetBadElementAspectRatio();
 991      _optimizeMesh  = hyp->GetOptimizeMesh();
 992      _quadraticMesh = hyp->GetQuadraticMesh();
 993     _verb          = hyp->GetVerbosity();
 994      _topology      = (int) hyp->GetTopology();
 995      // PreCAD
 996      _precadMergeEdges = hyp->GetPreCADMergeEdges();
 997      _precadProcess3DTopology = hyp->GetPreCADProcess3DTopology();
 998      _precadDiscardInput = hyp->GetPreCADDiscardInput();
 999
1000     const BLSURFPlugin_Hypothesis::TOptionValues & opts = hyp->GetOptionValues();
1001     BLSURFPlugin_Hypothesis::TOptionValues::const_iterator opIt;
1002     for ( opIt = opts.begin(); opIt != opts.end(); ++opIt )
1003       if ( !opIt->second.empty() ) {
1004         MESSAGE("cadsurf_set_param(): " << opIt->first << " = " << opIt->second);
1005         set_param(css, opIt->first.c_str(), opIt->second.c_str());
1006       }
1007
1008     const BLSURFPlugin_Hypothesis::TOptionValues & preCADopts = hyp->GetPreCADOptionValues();
1009     for ( opIt = preCADopts.begin(); opIt != preCADopts.end(); ++opIt )
1010       if ( !opIt->second.empty() ) {
1011         *use_precad = true;
1012         MESSAGE("precad_set_param(): " << opIt->first << " = " << opIt->second);
1013         precad_set_param(pcs, opIt->first.c_str(), opIt->second.c_str());
1014       }
1015   }
1016 //   else {
1017 //     //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
1018 //     // GetDefaultPhySize() sometimes leads to computation failure
1019 //     // GDD 26/07/2012 From Distene documentation, global physical size default value = diag/100
1020 //     _phySize = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal);
1021 //     _minSize = BLSURFPlugin_Hypothesis::GetDefaultMinSize(diagonal);
1022 //     _maxSize = BLSURFPlugin_Hypothesis::GetDefaultMaxSize(diagonal);
1023 //     _chordalError = BLSURFPlugin_Hypothesis::GetDefaultChordalError(diagonal);
1024 //     _tinyEdgeLength = BLSURFPlugin_Hypothesis::GetDefaultTinyEdgeLength(diagonal);
1025 //     MESSAGE("BLSURFPlugin_BLSURF::SetParameters using defaults");
1026 //   }
1027
1028   // PreCAD
1029   if (_topology == BLSURFPlugin_Hypothesis::PreCAD) {
1030     *use_precad = true;
1031     precad_set_param(pcs, "verbose",                to_string(_verb).c_str());
1032     precad_set_param(pcs, "merge_edges",            _precadMergeEdges ? "1" : "0");
1033     precad_set_param(pcs, "process_3d_topology",    _precadProcess3DTopology ? "1" : "0");
1034     precad_set_param(pcs, "discard_input_topology", _precadDiscardInput ? "1" : "0");
1035   }
1036   // unlimit mesh size (issue 0022266)
1037   set_param(css, "max_number_of_points_per_patch", "1000000");
1038
1039    bool useGradation = false;
1040    switch (_physicalMesh)
1041    {
1042      case BLSURFPlugin_Hypothesis::PhysicalGlobalSize:
1043        set_param(css, "physical_size_mode", "global");
1044        set_param(css, "global_physical_size", _phySizeRel ? to_string_rel(_phySize).c_str() : to_string(_phySize).c_str());
1045        break;
1046      case BLSURFPlugin_Hypothesis::PhysicalLocalSize:
1047        set_param(css, "physical_size_mode", "local");
1048        set_param(css, "global_physical_size", _phySizeRel ? to_string_rel(_phySize).c_str() : to_string(_phySize).c_str());
1049        useGradation = true;
1050        break;
1051      default:
1052        set_param(css, "physical_size_mode", "none");
1053    }
1054
1055    switch (_geometricMesh)
1056    {
1057      case BLSURFPlugin_Hypothesis::GeometricalGlobalSize:
1058        set_param(css, "geometric_size_mode", "global");
1059        set_param(css, "geometric_approximation", to_string(_angleMesh).c_str());
1060        set_param(css, "chordal_error", to_string(_chordalError).c_str());
1061        useGradation = true;
1062        break;
1063      case BLSURFPlugin_Hypothesis::GeometricalLocalSize:
1064        set_param(css, "geometric_size_mode", "local");
1065        set_param(css, "geometric_approximation", to_string(_angleMesh).c_str());
1066        set_param(css, "chordal_error", to_string(_chordalError).c_str());
1067        useGradation = true;
1068        break;
1069      default:
1070        set_param(css, "geometric_size_mode", "none");
1071    }
1072
1073    if ( hyp && hyp->GetPhySize() > 0 ) {
1074      // user size is explicitly specified via hypothesis parameters
1075      // min and max sizes should be compared with explicitly specified user size
1076      // - compute absolute min size
1077      double mins = _minSizeRel ? _minSize * diagonal : _minSize;
1078      // - min size should not be greater than user size
1079      if ( _phySize < mins )
1080        set_param(css, "min_size", _phySizeRel ? to_string_rel(_phySize).c_str() : to_string(_phySize).c_str());
1081      else
1082        set_param(css, "min_size", _minSizeRel ? to_string_rel(_minSize).c_str() : to_string(_minSize).c_str());
1083      // - compute absolute max size
1084      double maxs = _maxSizeRel ? _maxSize * diagonal : _maxSize;
1085      // - max size should not be less than user size
1086      if ( _phySize > maxs )
1087        set_param(css, "max_size", _phySizeRel ? to_string_rel(_phySize).c_str() : to_string(_phySize).c_str());
1088      else
1089        set_param(css, "max_size", _maxSizeRel ? to_string_rel(_maxSize).c_str() : to_string(_maxSize).c_str());
1090    }
1091    else {
1092      // user size is not explicitly specified
1093      // - if minsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1094      set_param(css, "min_size", _minSizeRel ? to_string_rel(_minSize).c_str() : to_string(_minSize).c_str());
1095      // - if maxsize is not explicitly specified, we pass default value computed automatically, in this case "relative" flag is ignored
1096      set_param(css, "max_size", _maxSizeRel ? to_string_rel(_maxSize).c_str() : to_string(_maxSize).c_str());
1097    }
1098
1099   if ( useGradation )
1100      set_param(css, "gradation",                         to_string(_gradation).c_str());
1101    set_param(css, "element_generation",                _quadAllowed ? "quad_dominant" : "triangle");
1102
1103
1104    set_param(css, "metric",                            _anisotropic ? "anisotropic" : "isotropic");
1105    if ( _anisotropic )
1106      set_param(css, "anisotropic_ratio",                 to_string(_anisotropicRatio).c_str());
1107    set_param(css, "remove_tiny_edges",                 _removeTinyEdges ? "1" : "0");
1108    if ( _removeTinyEdges )
1109      set_param(css, "tiny_edge_length",                  to_string(_tinyEdgeLength).c_str());
1110    set_param(css, "force_bad_surface_element_removal", _badElementRemoval ? "1" : "0");
1111    if ( _badElementRemoval )
1112      set_param(css, "bad_surface_element_aspect_ratio",  to_string(_badElementAspectRatio).c_str());
1113    set_param(css, "optimisation",                      _optimizeMesh ? "yes" : "no");
1114    set_param(css, "element_order",                     _quadraticMesh ? "quadratic" : "linear");
1115    set_param(css, "verbose",                           to_string(_verb).c_str());
1116
1117    _smp_phy_size = _phySizeRel ? _phySize*diagonal : _phySize;
1118    if ( _verb > 0 )
1119      std::cout << "_smp_phy_size = " << _smp_phy_size << std::endl;
1120
1121    if (_physicalMesh == BLSURFPlugin_Hypothesis::PhysicalLocalSize){
1122     TopoDS_Shape GeomShape;
1123     TopoDS_Shape AttShape;
1124     TopAbs_ShapeEnum GeomType;
1125     //
1126     // Standard Size Maps
1127     //
1128     MESSAGE("Setting a Size Map");
1129     const BLSURFPlugin_Hypothesis::TSizeMap sizeMaps = BLSURFPlugin_Hypothesis::GetSizeMapEntries(hyp);
1130     BLSURFPlugin_Hypothesis::TSizeMap::const_iterator smIt = sizeMaps.begin();
1131     for ( ; smIt != sizeMaps.end(); ++smIt ) {
1132       if ( !smIt->second.empty() ) {
1133         MESSAGE("cadsurf_set_sizeMap(): " << smIt->first << " = " << smIt->second);
1134         GeomShape = entryToShape(smIt->first);
1135         GeomType  = GeomShape.ShapeType();
1136         MESSAGE("Geomtype is " << GeomType);
1137         int key = -1;
1138         // Group Management
1139         if (GeomType == TopAbs_COMPOUND){
1140           for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1141             // Group of faces
1142             if (it.Value().ShapeType() == TopAbs_FACE){
1143               HasSizeMapOnFace = true;
1144               if (! FacesWithSizeMap.Contains(TopoDS::Face(it.Value()))) {
1145                 key = FacesWithSizeMap.Add(TopoDS::Face(it.Value()));
1146               }
1147               else {
1148                 key = FacesWithSizeMap.FindIndex(TopoDS::Face(it.Value()));
1149 //                 MESSAGE("Face with key " << key << " already in map");
1150               }
1151               FaceId2SizeMap[key] = smIt->second;
1152             }
1153             // Group of edges
1154             if (it.Value().ShapeType() == TopAbs_EDGE){
1155               HasSizeMapOnEdge = true;
1156               HasSizeMapOnFace = true;
1157               if (! EdgesWithSizeMap.Contains(TopoDS::Edge(it.Value()))) {
1158                 key = EdgesWithSizeMap.Add(TopoDS::Edge(it.Value()));
1159               }
1160               else {
1161                 key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(it.Value()));
1162 //                 MESSAGE("Edge with key " << key << " already in map");
1163               }
1164               EdgeId2SizeMap[key] = smIt->second;
1165             }
1166             // Group of vertices
1167             if (it.Value().ShapeType() == TopAbs_VERTEX){
1168               HasSizeMapOnVertex = true;
1169               HasSizeMapOnEdge = true;
1170               HasSizeMapOnFace = true;
1171               if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(it.Value()))) {
1172                 key = VerticesWithSizeMap.Add(TopoDS::Vertex(it.Value()));
1173               }
1174               else {
1175                 key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(it.Value()));
1176                 MESSAGE("Group of vertices with key " << key << " already in map");
1177               }
1178               MESSAGE("Group of vertices with key " << key << " has a size map: " << smIt->second);
1179               VertexId2SizeMap[key] = smIt->second;
1180             }
1181           }
1182         }
1183         // Single face
1184         if (GeomType == TopAbs_FACE){
1185           HasSizeMapOnFace = true;
1186           if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape))) {
1187             key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape));
1188           }
1189           else {
1190             key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1191 //             MESSAGE("Face with key " << key << " already in map");
1192           }
1193           FaceId2SizeMap[key] = smIt->second;
1194         }
1195         // Single edge
1196         if (GeomType == TopAbs_EDGE){
1197           HasSizeMapOnEdge = true;
1198           HasSizeMapOnFace = true;
1199           if (! EdgesWithSizeMap.Contains(TopoDS::Edge(GeomShape))) {
1200             key = EdgesWithSizeMap.Add(TopoDS::Edge(GeomShape));
1201           }
1202           else {
1203             key = EdgesWithSizeMap.FindIndex(TopoDS::Edge(GeomShape));
1204 //             MESSAGE("Edge with key " << key << " already in map");
1205           }
1206           EdgeId2SizeMap[key] = smIt->second;
1207         }
1208         // Single vertex
1209         if (GeomType == TopAbs_VERTEX){
1210           HasSizeMapOnVertex = true;
1211           HasSizeMapOnEdge   = true;
1212           HasSizeMapOnFace   = true;
1213           if (! VerticesWithSizeMap.Contains(TopoDS::Vertex(GeomShape))) {
1214             key = VerticesWithSizeMap.Add(TopoDS::Vertex(GeomShape));
1215           }
1216           else {
1217             key = VerticesWithSizeMap.FindIndex(TopoDS::Vertex(GeomShape));
1218              MESSAGE("Vertex with key " << key << " already in map");
1219           }
1220           MESSAGE("Vertex with key " << key << " has a size map: " << smIt->second);
1221           VertexId2SizeMap[key] = smIt->second;
1222         }
1223       }
1224     }
1225
1226     //
1227     // Attractors
1228     //
1229     // TODO appeler le constructeur des attracteurs directement ici
1230     MESSAGE("Setting Attractors");
1231 //     if ( !_phySizeRel ) {
1232       const BLSURFPlugin_Hypothesis::TSizeMap attractors = BLSURFPlugin_Hypothesis::GetAttractorEntries(hyp);
1233       BLSURFPlugin_Hypothesis::TSizeMap::const_iterator atIt = attractors.begin();
1234       for ( ; atIt != attractors.end(); ++atIt ) {
1235         if ( !atIt->second.empty() ) {
1236           MESSAGE("cadsurf_set_attractor(): " << atIt->first << " = " << atIt->second);
1237           GeomShape = entryToShape(atIt->first);
1238           GeomType  = GeomShape.ShapeType();
1239           // Group Management
1240           if (GeomType == TopAbs_COMPOUND){
1241             for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1242               if (it.Value().ShapeType() == TopAbs_FACE){
1243                 HasSizeMapOnFace = true;
1244                 createAttractorOnFace(it.Value(), atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1245               }
1246             }
1247           }
1248
1249           if (GeomType == TopAbs_FACE){
1250             HasSizeMapOnFace = true;
1251             createAttractorOnFace(GeomShape, atIt->second, _phySizeRel ? _phySize*diagonal : _phySize);
1252           }
1253   /*
1254           if (GeomType == TopAbs_EDGE){
1255             HasSizeMapOnEdge = true;
1256             HasSizeMapOnFace = true;
1257           EdgeId2SizeMap[TopoDS::Edge(GeomShape).HashCode(IntegerLast())] = atIt->second;
1258           }
1259           if (GeomType == TopAbs_VERTEX){
1260             HasSizeMapOnVertex = true;
1261             HasSizeMapOnEdge   = true;
1262             HasSizeMapOnFace   = true;
1263           VertexId2SizeMap[TopoDS::Vertex(GeomShape).HashCode(IntegerLast())] = atIt->second;
1264           }
1265   */
1266         }
1267       }
1268 //     }
1269 //     else
1270 //       MESSAGE("Impossible to create the attractors when the physical size is relative");
1271
1272     // Class Attractors
1273     // temporary commented out for testing
1274     // TODO
1275     //  - Fill in the BLSURFPlugin_Hypothesis::TAttractorMap map in the hypothesis
1276     //  - Uncomment and complete this part to construct the attractors from the attractor shape and the passed parameters on each face of the map
1277     //  - To do this use the public methodss: SetParameters(several double parameters) and SetType(int type)
1278     //  OR, even better:
1279     //  - Construct the attractors with an empty dist. map in the hypothesis
1280     //  - 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()
1281     //  -> define a bool _mapbuilt in the class that is set to false by default and set to true when calling _buildmap()  OK
1282
1283     const BLSURFPlugin_Hypothesis::TAttractorMap class_attractors = BLSURFPlugin_Hypothesis::GetClassAttractorEntries(hyp);
1284     int key=-1;
1285     BLSURFPlugin_Hypothesis::TAttractorMap::const_iterator AtIt = class_attractors.begin();
1286     for ( ; AtIt != class_attractors.end(); ++AtIt ) {
1287       if ( !AtIt->second->Empty() ) {
1288        // MESSAGE("cadsurf_set_attractor(): " << AtIt->first << " = " << AtIt->second);
1289         GeomShape = entryToShape(AtIt->first);
1290         AttShape = AtIt->second->GetAttractorShape();
1291         GeomType  = GeomShape.ShapeType();
1292         // Group Management
1293 //         if (GeomType == TopAbs_COMPOUND){
1294 //           for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1295 //             if (it.Value().ShapeType() == TopAbs_FACE){
1296 //               HasAttractorOnFace = true;
1297 //               myAttractor = BLSURFPluginAttractor(GeomShape, AttShape);
1298 //             }
1299 //           }
1300 //         }
1301
1302         if (GeomType == TopAbs_FACE
1303           && (AttShape.ShapeType() == TopAbs_VERTEX
1304            || AttShape.ShapeType() == TopAbs_EDGE
1305            || AttShape.ShapeType() == TopAbs_WIRE
1306            || AttShape.ShapeType() == TopAbs_COMPOUND) ){
1307             HasSizeMapOnFace = true;
1308
1309             if (! FacesWithSizeMap.Contains(TopoDS::Face(GeomShape)) ) {
1310                 key = FacesWithSizeMap.Add(TopoDS::Face(GeomShape) );
1311             }
1312             else {
1313               key = FacesWithSizeMap.FindIndex(TopoDS::Face(GeomShape));
1314 //                 MESSAGE("Face with key " << key << " already in map");
1315             }
1316
1317             FaceId2ClassAttractor[key] = AtIt->second;
1318         }
1319         else{
1320           MESSAGE("Wrong shape type !!")
1321         }
1322
1323       }
1324     }
1325
1326
1327     //
1328     // Enforced Vertices
1329     //
1330     MESSAGE("Setting Enforced Vertices");
1331     const BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap entryEnfVertexListMap = BLSURFPlugin_Hypothesis::GetAllEnforcedVerticesByFace(hyp);
1332     BLSURFPlugin_Hypothesis::TFaceEntryEnfVertexListMap::const_iterator enfIt = entryEnfVertexListMap.begin();
1333     for ( ; enfIt != entryEnfVertexListMap.end(); ++enfIt ) {
1334       if ( !enfIt->second.empty() ) {
1335         GeomShape = entryToShape(enfIt->first);
1336         GeomType  = GeomShape.ShapeType();
1337         // Group Management
1338         if (GeomType == TopAbs_COMPOUND){
1339           for (TopoDS_Iterator it (GeomShape); it.More(); it.Next()){
1340             if (it.Value().ShapeType() == TopAbs_FACE){
1341               HasSizeMapOnFace = true;
1342               createEnforcedVertexOnFace(it.Value(), enfIt->second);
1343             }
1344           }
1345         }
1346
1347         if (GeomType == TopAbs_FACE){
1348           HasSizeMapOnFace = true;
1349           createEnforcedVertexOnFace(GeomShape, enfIt->second);
1350         }
1351       }
1352     }
1353
1354     // Internal vertices
1355     bool useInternalVertexAllFaces = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFaces(hyp);
1356     if (useInternalVertexAllFaces) {
1357       std::string grpName = BLSURFPlugin_Hypothesis::GetInternalEnforcedVertexAllFacesGroup(hyp);
1358       MESSAGE("Setting Internal Enforced Vertices");
1359       gp_Pnt aPnt;
1360       TopExp_Explorer exp (theGeomShape, TopAbs_FACE);
1361       for (; exp.More(); exp.Next()){
1362         MESSAGE("Iterating shapes. Shape type is " << exp.Current().ShapeType());
1363         TopExp_Explorer exp_face (exp.Current(), TopAbs_VERTEX, TopAbs_EDGE);
1364         for (; exp_face.More(); exp_face.Next())
1365         {
1366           // Get coords of vertex
1367           // Check if current coords is already in enfVertexList
1368           // If coords not in enfVertexList, add new enfVertex
1369           aPnt = BRep_Tool::Pnt(TopoDS::Vertex(exp_face.Current()));
1370           MESSAGE("Found vertex on face at " << aPnt.X() <<", "<<aPnt.Y()<<", "<<aPnt.Z());
1371           BLSURFPlugin_Hypothesis::TEnfVertex* enfVertex = new BLSURFPlugin_Hypothesis::TEnfVertex();
1372           enfVertex->coords.push_back(aPnt.X());
1373           enfVertex->coords.push_back(aPnt.Y());
1374           enfVertex->coords.push_back(aPnt.Z());
1375           enfVertex->name = "";
1376           enfVertex->faceEntries.clear();
1377           enfVertex->geomEntry = "";
1378           enfVertex->grpName = grpName;
1379           enfVertex->vertex = TopoDS::Vertex( exp_face.Current() );
1380           _createEnforcedVertexOnFace( TopoDS::Face(exp.Current()),  aPnt, enfVertex);
1381           HasSizeMapOnFace = true;
1382         }
1383       }
1384     }
1385
1386     MESSAGE("Setting Size Map on FACES ");
1387 // #if BLSURF_VERSION_LONG < "3.1.1"
1388     cadsurf_data_set_sizemap_iso_cad_face(css, size_on_surface, &_smp_phy_size);
1389 // #else
1390 //     if (*use_precad)
1391 //       iso_sizemap_f = sizemap_new(c, distene_sizemap_type_iso_cad_face, (void *)size_on_surface, NULL);
1392 //     else
1393 //       clean_iso_sizemap_f = sizemap_new(c, distene_sizemap_type_iso_cad_face, (void *)size_on_surface, NULL);
1394 // #endif
1395
1396     if (HasSizeMapOnEdge){
1397       MESSAGE("Setting Size Map on EDGES ");
1398 // #if BLSURF_VERSION_LONG < "3.1.1"
1399       cadsurf_data_set_sizemap_iso_cad_edge(css, size_on_edge, &_smp_phy_size);
1400 // #else
1401 //       if (*use_precad)
1402 //         iso_sizemap_e = sizemap_new(c, distene_sizemap_type_iso_cad_edge, (void *)size_on_edge, NULL);
1403 //       else
1404 //         clean_iso_sizemap_e = sizemap_new(c, distene_sizemap_type_iso_cad_edge, (void *)size_on_edge, NULL);
1405 // #endif
1406     }
1407     if (HasSizeMapOnVertex){
1408       MESSAGE("Setting Size Map on VERTICES ");
1409 // #if BLSURF_VERSION_LONG < "3.1.1"
1410       cadsurf_data_set_sizemap_iso_cad_point(css, size_on_vertex, &_smp_phy_size);
1411 // #else
1412 //       if (*use_precad)
1413 //         iso_sizemap_p = sizemap_new(c, distene_sizemap_type_iso_cad_point, (void *)size_on_vertex, NULL);
1414 //       else
1415 //         clean_iso_sizemap_p = sizemap_new(c, distene_sizemap_type_iso_cad_point, (void *)size_on_vertex, NULL);
1416 // #endif
1417     }
1418   }
1419
1420   // PERIODICITY
1421
1422    // reset vectors
1423    _preCadFacesIDsPeriodicityVector.clear();
1424    _preCadEdgesIDsPeriodicityVector.clear();
1425    _facesIDsPeriodicityVector.clear();
1426    _edgesIDsPeriodicityVector.clear();
1427    _verticesIDsPeriodicityVector.clear();
1428
1429   MESSAGE("SetParameters preCadFacesPeriodicityVector");
1430   const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadFacesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadFacesPeriodicityVector(hyp);
1431
1432   for (std::size_t i = 0; i<preCadFacesPeriodicityVector.size(); i++){
1433     MESSAGE("SetParameters preCadFacesPeriodicityVector[" << i << "]");
1434     createPreCadFacesPeriodicity(theGeomShape, preCadFacesPeriodicityVector[i]);
1435   }
1436   MESSAGE("_preCadFacesIDsPeriodicityVector.size() = " << _preCadFacesIDsPeriodicityVector.size());
1437
1438   MESSAGE("SetParameters preCadEdgesPeriodicityVector");
1439   const BLSURFPlugin_Hypothesis::TPreCadPeriodicityVector preCadEdgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetPreCadEdgesPeriodicityVector(hyp);
1440
1441   for (std::size_t i = 0; i<preCadEdgesPeriodicityVector.size(); i++){
1442     MESSAGE("SetParameters preCadEdgesPeriodicityVector[" << i << "]");
1443     createPreCadEdgesPeriodicity(theGeomShape, preCadEdgesPeriodicityVector[i]);
1444   }
1445   MESSAGE("_preCadEdgesIDsPeriodicityVector.size() = " << _preCadEdgesIDsPeriodicityVector.size());
1446
1447   if ( _preCadFacesIDsPeriodicityVector.size() > 0 || _preCadEdgesIDsPeriodicityVector.size() > 0 )
1448     {
1449       MESSAGE("USING PRECAD FOR PERIODICITY")
1450       *use_precad = true;
1451       precad_set_param(pcs, "verbose",                to_string(_verb).c_str());
1452     }
1453
1454   MESSAGE("SetParameters facesPeriodicityVector");
1455   const BLSURFPlugin_Hypothesis::TFacesPeriodicityVector facesPeriodicityVector = BLSURFPlugin_Hypothesis::GetFacesPeriodicityVector(hyp);
1456
1457   for (std::size_t i = 0; i<facesPeriodicityVector.size(); i++){
1458     MESSAGE("SetParameters facesPeriodicityVector[" << i << "]");
1459     createFacesPeriodicity(theGeomShape, facesPeriodicityVector[i].first, facesPeriodicityVector[i].second);
1460   }
1461   MESSAGE("_facesIDsPeriodicityVector.size() = " << _facesIDsPeriodicityVector.size());
1462
1463
1464   MESSAGE("SetParameters edgesPeriodicityVector");
1465   const BLSURFPlugin_Hypothesis::TEdgesPeriodicityVector edgesPeriodicityVector = BLSURFPlugin_Hypothesis::GetEdgesPeriodicityVector(hyp);
1466
1467   for (std::size_t i = 0; i<edgesPeriodicityVector.size(); i++){
1468     MESSAGE("SetParameters edgesPeriodicityVector[" << i << "]");
1469     // TODO: passer directement en paramètre edgesPeriodicityVector[i] plutôt que tous ces attributs
1470     createEdgesPeriodicity(theGeomShape, edgesPeriodicityVector[i].theFace1Entry, edgesPeriodicityVector[i].theEdge1Entry,
1471         edgesPeriodicityVector[i].theFace2Entry, edgesPeriodicityVector[i].theEdge2Entry, edgesPeriodicityVector[i].edge_orientation);
1472   }
1473   MESSAGE("_edgesIDsPeriodicityVector.size() = " << _edgesIDsPeriodicityVector.size());
1474
1475   MESSAGE("SetParameters verticesPeriodicityVector");
1476   const BLSURFPlugin_Hypothesis::TVerticesPeriodicityVector verticesPeriodicityVector = BLSURFPlugin_Hypothesis::GetVerticesPeriodicityVector(hyp);
1477
1478   for (std::size_t i = 0; i<verticesPeriodicityVector.size(); i++){
1479     MESSAGE("SetParameters verticesPeriodicityVector[" << i << "]");
1480     // TODO: passer directement en paramètre verticesPeriodicityVector[i] plutôt que tous ces attributs
1481     createVerticesPeriodicity(theGeomShape, verticesPeriodicityVector[i].theEdge1Entry, verticesPeriodicityVector[i].theVertex1Entry,
1482         verticesPeriodicityVector[i].theEdge2Entry, verticesPeriodicityVector[i].theVertex2Entry);
1483   }
1484   MESSAGE("_verticesIDsPeriodicityVector.size() = " << _verticesIDsPeriodicityVector.size());
1485 }
1486
1487 //================================================================================
1488 /*!
1489  * \brief Throws an exception if a parameter name is wrong
1490  */
1491 //================================================================================
1492
1493 void BLSURFPlugin_BLSURF::set_param(cadsurf_session_t *css,
1494                                     const char *       option_name,
1495                                     const char *       option_value)
1496 {
1497   status_t status = cadsurf_set_param(css, option_name, option_value );
1498   if ( status != MESHGEMS_STATUS_OK )
1499   {
1500     if ( status == MESHGEMS_STATUS_UNKNOWN_PARAMETER ) {
1501       throw SALOME_Exception
1502         ( SMESH_Comment("Invalid name of CADSURF parameter: ") << option_name );
1503     }
1504     else if ( status == MESHGEMS_STATUS_NOLICENSE )
1505       throw SALOME_Exception
1506         ( "No valid license available" );
1507     else
1508       throw SALOME_Exception
1509         ( SMESH_Comment("Unacceptable value of CADSURF parameter '")
1510           << option_name << "': " << option_value);
1511   }
1512 }
1513
1514 namespace
1515 {
1516   // --------------------------------------------------------------------------
1517   /*!
1518    * \brief Class correctly terminating usage of BLSURF library at destruction
1519    */
1520   class BLSURF_Cleaner
1521   {
1522     context_t *       _ctx;
1523     cadsurf_session_t* _css;
1524     cad_t *           _cad;
1525     dcad_t *          _dcad;
1526     cad_t *           _cleanc;
1527     dcad_t *          _cleandc;
1528   public:
1529     BLSURF_Cleaner(context_t *       ctx,
1530                    cadsurf_session_t* css,
1531                    cad_t *           cad,
1532                    dcad_t *          dcad,
1533                    cad_t *           cleanc,
1534                    dcad_t *          cleandc)
1535       : _ctx ( ctx  ),
1536         _css ( css  ),
1537         _cad ( cad  ),
1538         _dcad( dcad ),
1539         _cleanc( cleanc ),
1540         _cleandc( cleandc )
1541     {
1542     }
1543     ~BLSURF_Cleaner()
1544     {
1545       Clean( /*exceptContext=*/false );
1546     }
1547     void Clean(const bool exceptContext)
1548     {
1549       if ( _css )
1550       {
1551         cadsurf_session_delete(_css); _css = 0;
1552
1553         // #if BLSURF_VERSION_LONG >= "3.1.1"
1554         // //     if(geo_sizemap_e)
1555         // //       distene_sizemap_delete(geo_sizemap_e);
1556         // //     if(geo_sizemap_f)
1557         // //       distene_sizemap_delete(geo_sizemap_f);
1558         //     if(iso_sizemap_p)
1559         //       distene_sizemap_delete(iso_sizemap_p);
1560         //     if(iso_sizemap_e)
1561         //       distene_sizemap_delete(iso_sizemap_e);
1562         //     if(iso_sizemap_f)
1563         //       distene_sizemap_delete(iso_sizemap_f);
1564         //
1565         // //     if(clean_geo_sizemap_e)
1566         // //       distene_sizemap_delete(clean_geo_sizemap_e);
1567         // //     if(clean_geo_sizemap_f)
1568         // //       distene_sizemap_delete(clean_geo_sizemap_f);
1569         //     if(clean_iso_sizemap_p)
1570         //       distene_sizemap_delete(clean_iso_sizemap_p);
1571         //     if(clean_iso_sizemap_e)
1572         //       distene_sizemap_delete(clean_iso_sizemap_e);
1573         //     if(clean_iso_sizemap_f)
1574         //       distene_sizemap_delete(clean_iso_sizemap_f);
1575         // #endif
1576
1577         cad_delete(_cad); _cad = 0;
1578         dcad_delete(_dcad); _dcad = 0;
1579         cad_delete(_cleanc); _cleanc = 0;
1580         dcad_delete(_cleandc); _cleandc = 0;
1581         if ( !exceptContext )
1582         {
1583           context_delete(_ctx); _ctx = 0;
1584         }
1585       }
1586     }
1587   };
1588
1589   // --------------------------------------------------------------------------
1590   // comparator to sort nodes and sub-meshes
1591   struct ShapeTypeCompare
1592   {
1593     // sort nodes by position in the following order:
1594     // SMDS_TOP_FACE=2, SMDS_TOP_EDGE=1, SMDS_TOP_VERTEX=0, SMDS_TOP_3DSPACE=3
1595     bool operator()( const SMDS_MeshNode* n1, const SMDS_MeshNode* n2 ) const
1596     {
1597       // NEW ORDER: nodes earlier added to sub-mesh are considered "less"
1598       return n1->getIdInShape() < n2->getIdInShape();
1599       // SMDS_TypeOfPosition pos1 = n1->GetPosition()->GetTypeOfPosition();
1600       // SMDS_TypeOfPosition pos2 = n2->GetPosition()->GetTypeOfPosition();
1601       // if ( pos1 == pos2 ) return 0;
1602       // if ( pos1 < pos2 || pos1 == SMDS_TOP_3DSPACE ) return 1;
1603       // return -1;
1604     }
1605     // sort sub-meshes in order: EDGE, VERTEX
1606     bool operator()( const SMESHDS_SubMesh* s1, const SMESHDS_SubMesh* s2 ) const
1607     {
1608       int isVertex1 = ( s1 && s1->NbElements() == 0 );
1609       int isVertex2 = ( s2 && s2->NbElements() == 0 );
1610       if ( isVertex1 == isVertex2 )
1611         return s1 < s2;
1612       return isVertex1 < isVertex2;
1613     }
1614   };
1615
1616   //================================================================================
1617   /*!
1618    * \brief Fills groups of nodes to be merged
1619    */
1620   //================================================================================
1621
1622   void getNodeGroupsToMerge( const SMESHDS_SubMesh*                smDS,
1623                              const TopoDS_Shape&                   shape,
1624                              SMESH_MeshEditor::TListOfListOfNodes& nodeGroupsToMerge)
1625   {
1626     SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
1627     switch ( shape.ShapeType() )
1628     {
1629     case TopAbs_VERTEX: {
1630       std::list< const SMDS_MeshNode* > nodes;
1631       while ( nIt->more() )
1632         nodes.push_back( nIt->next() );
1633       if ( nodes.size() > 1 )
1634         nodeGroupsToMerge.push_back( nodes );
1635       break;
1636     }
1637     case TopAbs_EDGE: {
1638       std::multimap< double, const SMDS_MeshNode* > u2node;
1639       const SMDS_EdgePosition* ePos;
1640       while ( nIt->more() )
1641       {
1642         const SMDS_MeshNode* n = nIt->next();
1643         if (( ePos = dynamic_cast< const SMDS_EdgePosition* >( n->GetPosition() )))
1644           u2node.insert( make_pair( ePos->GetUParameter(), n ));
1645       }
1646       if ( u2node.size() < 2 ) return;
1647
1648       //double tol = (( u2node.rbegin()->first - u2node.begin()->first ) / 20.) / u2node.size();
1649       Standard_Real f,l;
1650       BRep_Tool::Range( TopoDS::Edge( shape ), f,l );
1651       double tol = (( l - f ) / 20.) / u2node.size();
1652
1653       std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1654       for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1655       {
1656         if (( un2->first - un1->first ) <= tol )
1657         {
1658           std::list< const SMDS_MeshNode* > nodes;
1659           nodes.push_back( un1->second );
1660           while (( un2->first - un1->first ) <= tol )
1661           {
1662             nodes.push_back( un2->second );
1663             if ( ++un2 == u2node.end()) {
1664               --un2;
1665               break;
1666             }
1667           }
1668           // make nodes created on the boundary of viscous layer replace nodes created
1669           // by BLSURF as their SMDS_Position is more correct
1670           nodes.sort( ShapeTypeCompare() );
1671           nodeGroupsToMerge.push_back( nodes );
1672         }
1673       }
1674       break;
1675     }
1676     default: ;
1677     }
1678     // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1679     // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1680     // {
1681     //   cout << "Merge ";
1682     //   const std::list< const SMDS_MeshNode* >& nl = *nll;
1683     //   std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1684     //   for ( ; nIt != nl.end(); ++nIt )
1685     //     cout << (*nIt) << " ";
1686     //   cout << endl;
1687     // }
1688     // cout << endl;
1689   }
1690
1691   //================================================================================
1692   /*!
1693    * \brief A temporary mesh used to compute mesh on a proxy FACE
1694    */
1695   //================================================================================
1696
1697   struct TmpMesh: public SMESH_Mesh
1698   {
1699     typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1700     TN2NMap     _tmp2origNN;
1701     TopoDS_Face _proxyFace;
1702
1703     TmpMesh()
1704     {
1705       _myMeshDS = new SMESHDS_Mesh( _id, true );
1706     }
1707     //--------------------------------------------------------------------------------
1708     /*!
1709      * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1710      */
1711     //--------------------------------------------------------------------------------
1712
1713     const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1714                                       const TopoDS_Face&    origFace)
1715     {
1716       // get data of nodes on inner boundary of viscous layers
1717       SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1718       TError err;
1719       TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1720                                                               /*skipMediumNodes = */true,
1721                                                               err, viscousMesh );
1722       if ( err && err->IsKO() )
1723         throw *err.get(); // it should be caught at SMESH_subMesh
1724
1725       // proxy nodes and corresponding tmp VERTEXes
1726       std::vector<const SMDS_MeshNode*> origNodes;
1727       std::vector<TopoDS_Vertex>        tmpVertex;
1728
1729       // create a proxy FACE
1730       TopoDS_Shape origFaceCopy = origFace.EmptyCopied();
1731       BRepBuilderAPI_MakeFace newFace( TopoDS::Face( origFaceCopy ));
1732       for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1733       {
1734         StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1735         const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1736         if ( wirePoints.size() < 3 )
1737           continue;
1738
1739         BRepBuilderAPI_MakePolygon wire;
1740         const size_t i0 = tmpVertex.size();
1741         for ( size_t iN = 1; iN < wirePoints.size(); ++iN )
1742         {
1743           wire.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1744           origNodes.push_back( wirePoints[ iN ].node );
1745           tmpVertex.push_back( wire.LastVertex() );
1746         }
1747         tmpVertex[ i0 ] = wire.FirstVertex(); // wire.LastVertex()==NULL for 1 vertex in wire
1748         wire.Close();
1749         if ( !wire.IsDone() )
1750           throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1751         newFace.Add( wire );
1752       }
1753       _proxyFace = newFace;
1754
1755       // set a new shape to mesh
1756       TopoDS_Compound auxCompoundToMesh;
1757       BRep_Builder shapeBuilder;
1758       shapeBuilder.MakeCompound( auxCompoundToMesh );
1759       shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1760       shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1761
1762       ShapeToMesh( auxCompoundToMesh );
1763
1764       //TopExp_Explorer fExp( auxCompoundToMesh, TopAbs_FACE );
1765       //_proxyFace = TopoDS::Face( fExp.Current() );
1766
1767
1768       // Make input mesh for BLSURF: segments on EDGE's of newFace
1769
1770       // make nodes and fill in _tmp2origNN
1771       //
1772       SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1773       for ( size_t i = 0; i < origNodes.size(); ++i )
1774       {
1775         GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1776         if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1777           _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1778         else
1779           throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1780       }
1781
1782       // make segments
1783       TopoDS_Vertex v1, v2;
1784       for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1785       {
1786         const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1787         TopExp::Vertices( E, v1, v2 );
1788         const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1789         const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1790
1791         if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1792           tmpMeshDS->SetMeshElementOnShape( seg, E );
1793       }
1794
1795       return _proxyFace;
1796     }
1797
1798     //--------------------------------------------------------------------------------
1799     /*!
1800      * \brief Fill in the origMesh with faces computed by BLSURF in this tmp mesh
1801      */
1802     //--------------------------------------------------------------------------------
1803
1804     void FillInOrigMesh( SMESH_Mesh&        origMesh,
1805                          const TopoDS_Face& origFace )
1806     {
1807       SMESH_MesherHelper helper( origMesh );
1808       helper.SetSubShape( origFace );
1809       helper.SetElementsOnShape( true );
1810
1811       SMESH_MesherHelper tmpHelper( *this );
1812       tmpHelper.SetSubShape( _proxyFace );
1813
1814       // iterate over tmp faces and copy them in origMesh
1815       const SMDS_MeshNode* nodes[27];
1816       const SMDS_MeshNode* nullNode = 0;
1817       double xyz[3];
1818       SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1819       while ( fIt->more() )
1820       {
1821         const SMDS_MeshElement* f = fIt->next();
1822         SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1823         int nbN = 0;
1824         for ( ; nIt->more(); ++nbN )
1825         {
1826           const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1827           TN2NMap::iterator n2nIt =
1828             _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1829           if ( !n2nIt->second ) {
1830             n->GetXYZ( xyz );
1831             gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1832             n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1833           }
1834           nodes[ nbN ] = n2nIt->second;
1835         }
1836         switch( nbN ) {
1837         case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1838         // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1839         //                         nodes[3], nodes[4], nodes[5]); break;
1840         case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1841         // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1842         //                         nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1843         // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1844         //                         nodes[4], nodes[5], nodes[6], nodes[7]); break;
1845         }
1846       }
1847     }
1848   };
1849
1850   /*!
1851    * \brief A structure holding an error description and a verbisity level
1852    */
1853   struct message_cb_user_data
1854   {
1855     std::string * _error;
1856     int           _verbosity;
1857     double *      _progress;
1858   };
1859
1860
1861 } // namespace
1862
1863 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1864 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1865                   real *duu, real *duv, real *dvv, void *user_data);
1866 status_t message_cb(message_t *msg, void *user_data);
1867 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1868
1869 //=============================================================================
1870 /*!
1871  *
1872  */
1873 //=============================================================================
1874
1875 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape) {
1876
1877   MESSAGE("BLSURFPlugin_BLSURF::Compute");
1878
1879   // Fix problem with locales
1880   Kernel_Utils::Localizer aLocalizer;
1881
1882   if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1883     return false;
1884
1885   if ( _haveViscousLayers )
1886   {
1887     // Compute viscous layers
1888
1889     TopTools_MapOfShape map;
1890     for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1891     {
1892       const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1893       if ( !map.Add( F )) continue;
1894       SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1895       if ( !viscousMesh )
1896         return false; // error in StdMeshers_ViscousLayers2D::Compute()
1897
1898       // Compute BLSURF mesh on viscous layers
1899
1900       if ( viscousMesh->NbProxySubMeshes() > 0 )
1901       {
1902         TmpMesh tmpMesh;
1903         const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1904         if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1905           return false;
1906         tmpMesh.FillInOrigMesh( aMesh, F );
1907       }
1908     }
1909
1910     // Re-compute BLSURF mesh on the rest faces if the mesh was cleared
1911
1912     for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1913     {
1914       const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1915       SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1916       if ( fSM->IsMeshComputed() ) continue;
1917
1918       if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1919         return false;
1920       break;
1921     }
1922   }
1923   return true;
1924 }
1925
1926 //=============================================================================
1927 /*!
1928  *
1929  */
1930 //=============================================================================
1931
1932 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh&         aMesh,
1933                                   const TopoDS_Shape& aShape,
1934                                   bool                allowSubMeshClearing)
1935 {
1936   /* create a distene context (generic object) */
1937   status_t status = STATUS_ERROR;
1938
1939   SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1940   SMESH_MesherHelper helper( aMesh );
1941   // do not call helper.IsQuadraticSubMesh() because sub-meshes
1942   // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1943   bool haveQuadraticSubMesh = SMESH_MesherHelper( aMesh ).IsQuadraticSubMesh( aShape );
1944   bool quadraticSubMeshAndViscousLayer = false;
1945   bool needMerge = false;
1946   typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1947   TSubMeshSet edgeSubmeshes;
1948   TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1949
1950   TopTools_IndexedMapOfShape fmap;
1951   TopTools_IndexedMapOfShape emap;
1952   TopTools_IndexedMapOfShape pmap;
1953
1954   // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1955 #ifndef WIN32
1956   feclearexcept( FE_ALL_EXCEPT );
1957   int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1958 #endif
1959
1960   context_t *ctx =  context_new();
1961
1962   /* Set the message callback in the working context */
1963   message_cb_user_data mcud;
1964   mcud._error     = & this->SMESH_Algo::_comment;
1965   mcud._progress  = & this->SMESH_Algo::_progress;
1966   mcud._verbosity =
1967     _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1968   context_set_message_callback(ctx, message_cb, &mcud);
1969
1970   /* set the interruption callback */
1971   _compute_canceled = false;
1972   context_set_interrupt_callback(ctx, interrupt_cb, this);
1973
1974   /* create the CAD object we will work on. It is associated to the context ctx. */
1975   cad_t *c     = cad_new(ctx);
1976   dcad_t *dcad = dcad_new(c);
1977
1978   FacesWithSizeMap.Clear();
1979   FaceId2SizeMap.clear();
1980   FaceId2ClassAttractor.clear();
1981   FaceIndex2ClassAttractor.clear();
1982   EdgesWithSizeMap.Clear();
1983   EdgeId2SizeMap.clear();
1984   VerticesWithSizeMap.Clear();
1985   VertexId2SizeMap.clear();
1986
1987   /* Now fill the CAD object with data from your CAD
1988    * environement. This is the most complex part of a successfull
1989    * integration.
1990    */
1991
1992   // PreCAD
1993   // If user requests it, send the CAD through Distene preprocessor : PreCAD
1994   cad_t *cleanc = NULL; // preprocessed cad
1995   dcad_t *cleandc = NULL; // preprocessed dcad
1996   precad_session_t *pcs = precad_session_new(ctx);
1997   // Give both dcad and cad to precad
1998   precad_data_set_dcad(pcs, dcad);
1999   precad_data_set_cad(pcs, c);
2000
2001   cadsurf_session_t *css = cadsurf_session_new(ctx);
2002
2003   // an object that correctly deletes all cadsurf objects at destruction
2004   BLSURF_Cleaner cleaner( ctx,css,c,dcad,cleanc,cleandc );
2005
2006   MESSAGE("BEGIN SetParameters");
2007   bool use_precad = false;
2008   SetParameters(
2009                 // #if BLSURF_VERSION_LONG >= "3.1.1"
2010                 //     c,
2011                 // #endif
2012                 _hypothesis, css, pcs, aShape, &use_precad);
2013   MESSAGE("END SetParameters");
2014
2015   MESSAGE("_preCadFacesIDsPeriodicityVector.size() = " << _preCadFacesIDsPeriodicityVector.size());
2016
2017   haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
2018   helper.SetIsQuadratic( haveQuadraticSubMesh );
2019
2020   // To remove as soon as quadratic mesh is allowed - BEGIN
2021   // GDD: Viscous layer is not allowed with quadratic mesh
2022   if (_haveViscousLayers && haveQuadraticSubMesh ) {
2023     quadraticSubMeshAndViscousLayer = true;
2024     _haveViscousLayers = !haveQuadraticSubMesh;
2025     _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
2026     error(COMPERR_WARNING, _comment);
2027   }
2028   // To remove as soon as quadratic mesh is allowed - END
2029
2030   // needed to prevent the opencascade memory managmement from freeing things
2031   vector<Handle(Geom2d_Curve)> curves;
2032   vector<Handle(Geom_Surface)> surfaces;
2033
2034   fmap.Clear();
2035   emap.Clear();
2036   pmap.Clear();
2037   FaceId2PythonSmp.clear();
2038   EdgeId2PythonSmp.clear();
2039   VertexId2PythonSmp.clear();
2040
2041   /****************************************************************************************
2042                                           FACES
2043   *****************************************************************************************/
2044   int iface = 0;
2045   string bad_end = "return";
2046   int faceKey = -1;
2047   TopTools_IndexedMapOfShape _map;
2048   TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
2049   int ienf = _map.Extent();
2050
2051   assert(Py_IsInitialized());
2052   PyGILState_STATE gstate;
2053
2054   string theSizeMapStr;
2055
2056   for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2057   {
2058     TopoDS_Face f = TopoDS::Face(face_iter.Current());
2059
2060     SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2061     if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2062
2063     // make INTERNAL face oriented FORWARD (issue 0020993)
2064     if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2065       f.Orientation(TopAbs_FORWARD);
2066
2067     if (fmap.FindIndex(f) > 0)
2068       continue;
2069     iface = fmap.Add(f);
2070 //    std::string aFileName = "fmap_face_";
2071 //    aFileName.append(to_string(iface));
2072 //    aFileName.append(".brep");
2073 //    BRepTools::Write(f,aFileName.c_str());
2074
2075     surfaces.push_back(BRep_Tool::Surface(f));
2076
2077     /* create an object representing the face for cadsurf */
2078     /* where face_id is an integer identifying the face.
2079      * surf_function is the function that defines the surface
2080      * (For this face, it will be called by cadsurf with your_face_object_ptr
2081      * as last parameter.
2082      */
2083     cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
2084
2085     /* by default a face has no tag (color).
2086        The following call sets it to the same value as the face_id : */
2087     cad_face_set_tag(fce, iface);
2088
2089     /* Set face orientation (optional if you want a well oriented output mesh)*/
2090     if(f.Orientation() != TopAbs_FORWARD)
2091       cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2092     else
2093       cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2094
2095     if (HasSizeMapOnFace && !use_precad)
2096     {
2097       // -----------------
2098       // Classic size map
2099       // -----------------
2100       faceKey = FacesWithSizeMap.FindIndex(f);
2101
2102
2103       if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end()) {
2104         MESSAGE("A size map is defined on face :"<<faceKey)
2105           theSizeMapStr = FaceId2SizeMap[faceKey];
2106         // check if function ends with "return"
2107         if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2108           continue;
2109         // Expr To Python function, verification is performed at validation in GUI
2110         gstate = PyGILState_Ensure();
2111         PyObject * obj = NULL;
2112         obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2113         Py_DECREF(obj);
2114         PyObject * func = NULL;
2115         func = PyObject_GetAttrString(main_mod, "f");
2116         FaceId2PythonSmp[iface]=func;
2117         FaceId2SizeMap.erase(faceKey);
2118         PyGILState_Release(gstate);
2119       }
2120
2121       // Specific size map = Attractor
2122       std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2123
2124       for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2125         if (attractor_iter->first == faceKey) {
2126           MESSAGE("Face indice: " << iface);
2127           MESSAGE("Adding attractor");
2128
2129           double xyzCoords[3]  = {attractor_iter->second[2],
2130                                   attractor_iter->second[3],
2131                                   attractor_iter->second[4]};
2132
2133           MESSAGE("Check position of vertex =(" << xyzCoords[0] << "," << xyzCoords[1] << "," << xyzCoords[2] << ")");
2134           gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2135           BRepClass_FaceClassifier scl(f,P,1e-7);
2136           // OCC 6.3sp6 : scl.Perform() is bugged. The function was rewritten
2137           // BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
2138           // OCC 6.5.2: scl.Perform() is not bugged anymore
2139           scl.Perform(f, P, 1e-7);
2140           TopAbs_State result = scl.State();
2141           MESSAGE("Position of point on face: "<<result);
2142           if ( result == TopAbs_OUT )
2143             MESSAGE("Point is out of face: node is not created");
2144           if ( result == TopAbs_UNKNOWN )
2145             MESSAGE("Point position on face is unknown: node is not created");
2146           if ( result == TopAbs_ON )
2147             MESSAGE("Point is on border of face: node is not created");
2148           if ( result == TopAbs_IN )
2149           {
2150             // Point is inside face and not on border
2151             MESSAGE("Point is in face: node is created");
2152             double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2153             ienf++;
2154             MESSAGE("Add cad point on (u,v)=(" << uvCoords[0] << "," << uvCoords[1] << ") with id = " << ienf);
2155             cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2156             cad_point_set_tag(point_p, ienf);
2157           }
2158           FaceId2AttractorCoords.erase(faceKey);
2159         }
2160       }
2161
2162       // -----------------
2163       // Class Attractors
2164       // -----------------
2165       std::map<int,BLSURFPlugin_Attractor* >::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2166       if (clAttractor_iter != FaceId2ClassAttractor.end()){
2167         MESSAGE("Face indice: " << iface);
2168         MESSAGE("Adding attractor");
2169         FaceIndex2ClassAttractor[iface]=clAttractor_iter->second;
2170         FaceId2ClassAttractor.erase(clAttractor_iter);
2171       }
2172     } // if (HasSizeMapOnFace && !use_precad)
2173
2174       // ------------------
2175       // Enforced Vertices
2176       // ------------------
2177     faceKey = FacesWithEnforcedVertices.FindIndex(f);
2178     std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2179     if (evmIt != FaceId2EnforcedVertexCoords.end()) {
2180       MESSAGE("Some enforced vertices are defined");
2181       BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl;
2182       MESSAGE("Face indice: " << iface);
2183       MESSAGE("Adding enforced vertices");
2184       evl = evmIt->second;
2185       MESSAGE("Number of vertices to add: "<< evl.size());
2186       BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2187       for (; evlIt != evl.end(); ++evlIt) {
2188         BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2189         xyzCoords.push_back(evlIt->at(2));
2190         xyzCoords.push_back(evlIt->at(3));
2191         xyzCoords.push_back(evlIt->at(4));
2192         MESSAGE("Check position of vertex =(" << xyzCoords[0] << "," << xyzCoords[1] << "," << xyzCoords[2] << ")");
2193         gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2194         BRepClass_FaceClassifier scl(f,P,1e-7);
2195         // OCC 6.3sp6 : scl.Perform() is bugged. The function was rewritten
2196         // BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
2197         // OCC 6.5.2: scl.Perform() is not bugged anymore
2198         scl.Perform(f, P, 1e-7);
2199         TopAbs_State result = scl.State();
2200         MESSAGE("Position of point on face: "<<result);
2201         if ( result == TopAbs_OUT ) {
2202           MESSAGE("Point is out of face: node is not created");
2203           if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2204             EnfVertexCoords2ProjVertex.erase(xyzCoords);
2205             EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2206           }
2207         }
2208         if ( result == TopAbs_UNKNOWN ) {
2209           MESSAGE("Point position on face is unknown: node is not created");
2210           if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2211             EnfVertexCoords2ProjVertex.erase(xyzCoords);
2212             EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2213           }
2214         }
2215         if ( result == TopAbs_ON ) {
2216           MESSAGE("Point is on border of face: node is not created");
2217           if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2218             EnfVertexCoords2ProjVertex.erase(xyzCoords);
2219             EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2220           }
2221         }
2222         if ( result == TopAbs_IN )
2223         {
2224           // Point is inside face and not on border
2225           MESSAGE("Point is in face: node is created");
2226           double uvCoords[2]   = {evlIt->at(0),evlIt->at(1)};
2227           ienf++;
2228           MESSAGE("Add cad point on (u,v)=(" << uvCoords[0] << "," << uvCoords[1] << ") with id = " << ienf);
2229           cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2230           int tag = 0;
2231           std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2232           if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2233               !enfCoordsIt->second.empty() )
2234           {
2235             // to merge nodes of an INTERNAL vertex belonging to several faces
2236             TopoDS_Vertex     v = (*enfCoordsIt->second.begin())->vertex;
2237             if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2238             if ( !v.IsNull() ) {
2239               tag = pmap.Add( v );
2240               SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2241               vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2242               mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2243               // //if ( tag != pmap.Extent() )
2244               // needMerge = true;
2245             }
2246           }
2247           if ( tag == 0 ) tag = ienf;
2248           cad_point_set_tag(point_p, tag);
2249         }
2250       }
2251       FaceId2EnforcedVertexCoords.erase(faceKey);
2252
2253     }
2254
2255     /****************************************************************************************
2256                                            EDGES
2257                         now create the edges associated to this face
2258     *****************************************************************************************/
2259     int edgeKey = -1;
2260     for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2261     {
2262       TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2263       int ic = emap.FindIndex(e);
2264       if (ic <= 0)
2265         ic = emap.Add(e);
2266
2267 //      std::string aFileName = "fmap_edge_";
2268 //      aFileName.append(to_string(ic));
2269 //      aFileName.append(".brep");
2270 //      BRepTools::Write(e,aFileName.c_str());
2271
2272       double tmin,tmax;
2273       curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2274
2275       if (HasSizeMapOnEdge){
2276         edgeKey = EdgesWithSizeMap.FindIndex(e);
2277         if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end()) {
2278           MESSAGE("Sizemap defined on edge with index " << edgeKey);
2279           theSizeMapStr = EdgeId2SizeMap[edgeKey];
2280           if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2281             continue;
2282           // Expr To Python function, verification is performed at validation in GUI
2283           gstate = PyGILState_Ensure();
2284           PyObject * obj = NULL;
2285           obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2286           Py_DECREF(obj);
2287           PyObject * func = NULL;
2288           func = PyObject_GetAttrString(main_mod, "f");
2289           EdgeId2PythonSmp[ic]=func;
2290           EdgeId2SizeMap.erase(edgeKey);
2291           PyGILState_Release(gstate);
2292         }
2293       }
2294       /* data of nodes existing on the edge */
2295       StdMeshers_FaceSidePtr nodeData;
2296       SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2297       if ( !sm->IsEmpty() )
2298       {
2299         // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2300         //                                                              /*complexFirst=*/false);
2301         // while ( subsmIt->more() )
2302         //   edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2303         edgeSubmeshes.insert( sm->GetSubMeshDS() );
2304
2305         nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2306                                                  /*ignoreMedium=*/haveQuadraticSubMesh));
2307         if ( nodeData->MissVertexNode() )
2308           return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2309
2310         const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2311         if ( !nodeDataVec.empty() )
2312         {
2313           if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2314           {
2315             nodeData->Reverse();
2316             nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2317           }
2318           // tmin and tmax can change in case of viscous layer on an adjacent edge
2319           tmin = nodeDataVec.front().param;
2320           tmax = nodeDataVec.back().param;
2321         }
2322         else
2323         {
2324           cout << "---------------- Invalid nodeData" << endl;
2325           nodeData.reset();
2326         }
2327       }
2328
2329       /* attach the edge to the current cadsurf face */
2330       cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
2331
2332       /* by default an edge has no tag (color).
2333          The following call sets it to the same value as the edge_id : */
2334       cad_edge_set_tag(edg, ic);
2335
2336       /* by default, an edge does not necessalry appear in the resulting mesh,
2337          unless the following property is set :
2338       */
2339       cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2340
2341       /* by default an edge is a boundary edge */
2342       if (e.Orientation() == TopAbs_INTERNAL)
2343         cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2344
2345       // pass existing nodes of sub-meshes to BLSURF
2346       if ( nodeData )
2347       {
2348         const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2349         const int                      nbNodes     = nodeDataVec.size();
2350
2351         dcad_edge_discretization_t *dedge;
2352         dcad_get_edge_discretization(dcad, edg, &dedge);
2353         dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2354
2355         // cout << endl << " EDGE " << ic << endl;
2356         // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2357         for ( int iN = 0; iN < nbNodes; ++iN )
2358         {
2359           const UVPtStruct& nData = nodeDataVec[ iN ];
2360           double t                = nData.param;
2361           real uv[2]              = { nData.u, nData.v };
2362           SMESH_TNodeXYZ nXYZ( nData.node );
2363           // cout << "\tt = " << t
2364           //      << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2365           //      << "\t u = " << nData.param
2366           //      << "\t ID = " << nData.node->GetID() << endl;
2367           dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ._xyz );
2368         }
2369         dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2370       }
2371
2372       /****************************************************************************************
2373                                       VERTICES
2374       *****************************************************************************************/
2375
2376       int npts = 0;
2377       int ip1, ip2, *ip;
2378       gp_Pnt2d e0 = curves.back()->Value(tmin);
2379       gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2380       Standard_Real d1=0,d2=0;
2381
2382       int vertexKey = -1;
2383       for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2384         TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2385         ++npts;
2386         if (npts == 1){
2387           ip = &ip1;
2388           d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2389         } else {
2390           ip = &ip2;
2391           d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2392         }
2393         *ip = pmap.FindIndex(v);
2394         if(*ip <= 0) {
2395           *ip = pmap.Add(v);
2396           // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2397           // if ( sm->IsMeshComputed() )
2398           //   edgeSubmeshes.insert( sm->GetSubMeshDS() );
2399         }
2400
2401 //        std::string aFileName = "fmap_vertex_";
2402 //        aFileName.append(to_string(*ip));
2403 //        aFileName.append(".brep");
2404 //        BRepTools::Write(v,aFileName.c_str());
2405
2406         if (HasSizeMapOnVertex){
2407           vertexKey = VerticesWithSizeMap.FindIndex(v);
2408           if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2409             theSizeMapStr = VertexId2SizeMap[vertexKey];
2410             //MESSAGE("VertexId2SizeMap[faceKey]: " << VertexId2SizeMap[vertexKey]);
2411             if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2412               continue;
2413             // Expr To Python function, verification is performed at validation in GUI
2414             gstate = PyGILState_Ensure();
2415             PyObject * obj = NULL;
2416             obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2417             Py_DECREF(obj);
2418             PyObject * func = NULL;
2419             func = PyObject_GetAttrString(main_mod, "f");
2420             VertexId2PythonSmp[*ip]=func;
2421             VertexId2SizeMap.erase(vertexKey);   // do not erase if using a vector
2422             PyGILState_Release(gstate);
2423           }
2424         }
2425       }
2426       if (npts != 2) {
2427         // should not happen
2428         MESSAGE("An edge does not have 2 extremities.");
2429       } else {
2430         if (d1 < d2) {
2431           // This defines the curves extremity connectivity
2432           cad_edge_set_extremities(edg, ip1, ip2);
2433           /* set the tag (color) to the same value as the extremity id : */
2434           cad_edge_set_extremities_tag(edg, ip1, ip2);
2435         }
2436         else {
2437           cad_edge_set_extremities(edg, ip2, ip1);
2438           cad_edge_set_extremities_tag(edg, ip2, ip1);
2439         }
2440       }
2441     } // for edge
2442   } //for face
2443
2444   // Clear mesh from already meshed edges if possible else
2445   // remember that merge is needed
2446   TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2447   for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2448   {
2449     SMESHDS_SubMesh* smDS = *smIt;
2450     if ( !smDS ) continue;
2451     SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2452     if ( nIt->more() )
2453     {
2454       const SMDS_MeshNode* n = nIt->next();
2455       if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2456       {
2457         needMerge = true; // to correctly sew with viscous mesh
2458         // add existing medium nodes to helper
2459         if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2460         {
2461           SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2462           while ( edgeIt->more() )
2463             helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2464         }
2465         continue;
2466       }
2467     }
2468     if ( allowSubMeshClearing )
2469     {
2470       SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2471       while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2472       SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2473       while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2474       smDS->Clear();
2475     }
2476     else
2477     {
2478       needMerge = true;
2479     }
2480   }
2481
2482   ///////////////////////
2483   // PERIODICITY       //
2484   ///////////////////////
2485
2486   MESSAGE("BEFORE PERIODICITY");
2487   MESSAGE("_preCadFacesIDsPeriodicityVector.size() = " << _preCadFacesIDsPeriodicityVector.size());
2488   if (! _preCadFacesIDsPeriodicityVector.empty()){
2489     MESSAGE("INTO PRECAD FACES PERIODICITY");
2490     for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2491       std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2492       std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2493       int* theFace1_ids_c = &theFace1_ids[0];
2494       int* theFace2_ids_c = &theFace2_ids[0];
2495       std::ostringstream o;
2496       o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2497       for (std::size_t j=0; j < theFace1_ids.size(); j++)
2498         o << theFace1_ids[j] << ", ";
2499       o << "], [";
2500       for (std::size_t j=0; j < theFace2_ids.size(); j++)
2501         o << theFace2_ids[j] << ", ";
2502       o << "]";
2503       MESSAGE(o.str());
2504       MESSAGE("theFace1_ids.size(): " << theFace1_ids.size());
2505       MESSAGE("theFace2_ids.size(): " << theFace2_ids.size());
2506       if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2507         {
2508           // If no source points, call peridoicity without transformation function
2509           MESSAGE("periodicity without transformation function");
2510           meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2511           status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2512               theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2513           if(status != STATUS_OK)
2514             cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2515         }
2516       else
2517         {
2518           // get the transformation vertices
2519           MESSAGE("periodicity with transformation vertices");
2520           double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2521           double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2522           int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2523           int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2524
2525           MESSAGE("nbSourceVertices: " << nbSourceVertices << ", nbTargetVertices: " << nbTargetVertices);
2526
2527           status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2528               theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2529           if(status != STATUS_OK)
2530             cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2531         }
2532     }
2533
2534     MESSAGE("END PRECAD FACES PERIODICITY");
2535   }
2536
2537   MESSAGE("_preCadEdgesIDsPeriodicityVector.size() = " << _preCadEdgesIDsPeriodicityVector.size());
2538   if (! _preCadEdgesIDsPeriodicityVector.empty()){
2539     MESSAGE("INTO PRECAD EDGES PERIODICITY");
2540     for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2541       std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2542       std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2543       // Use the address of the first element of the vector to initialise the array
2544       int* theEdge1_ids_c = &theEdge1_ids[0];
2545       int* theEdge2_ids_c = &theEdge2_ids[0];
2546
2547       std::ostringstream o;
2548       o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2549       for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2550         o << theEdge1_ids[j] << ", ";
2551       o << "], [";
2552       for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2553         o << theEdge2_ids[j] << ", ";
2554       o << "]";
2555       MESSAGE(o.str());
2556       MESSAGE("theEdge1_ids.size(): " << theEdge1_ids.size());
2557       MESSAGE("theEdge2_ids.size(): " << theEdge2_ids.size());
2558
2559       if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2560         {
2561           // If no source points, call peridoicity without transformation function
2562           MESSAGE("periodicity without transformation function");
2563           meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2564           status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2565               theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2566           if(status != STATUS_OK)
2567             cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2568         }
2569       else
2570         {
2571           // get the transformation vertices
2572           MESSAGE("periodicity with transformation vertices");
2573           double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2574           double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2575           int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2576           int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2577
2578           MESSAGE("nbSourceVertices: " << nbSourceVertices << ", nbTargetVertices: " << nbTargetVertices);
2579
2580           status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2581               theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2582           if(status != STATUS_OK)
2583             cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2584           else
2585             MESSAGE("cad_add_edge_multiple_periodicity_with_transformation_function_by_points succeeded.\n");
2586         }
2587     }
2588
2589     MESSAGE("END PRECAD EDGES PERIODICITY");
2590   }
2591
2592   if (! _facesIDsPeriodicityVector.empty()){
2593     MESSAGE("INTO FACE PERIODICITY");
2594     for (std::size_t i=0; i < _facesIDsPeriodicityVector.size(); i++){
2595       int theFace1 = _facesIDsPeriodicityVector[i].first;
2596       int theFace2 = _facesIDsPeriodicityVector[i].second;
2597       MESSAGE("_facesIDsPeriodicityVector[" << i << "] = (" << theFace1 << ", " << theFace2 << ")");
2598       status = cad_add_face_periodicity(c, theFace1, theFace2);
2599       if(status != STATUS_OK){
2600         cout << "cad_add_face_periodicity failed with error code " << status << "\n";
2601       }
2602     }
2603     MESSAGE("END FACE PERIODICITY");
2604   }
2605
2606
2607   if (! _edgesIDsPeriodicityVector.empty()){
2608     MESSAGE("INTO EDGE PERIODICITY");
2609     for (std::size_t i=0; i < _edgesIDsPeriodicityVector.size(); i++){
2610       int theFace1 = _edgesIDsPeriodicityVector[i].theFace1ID;
2611       int theEdge1 = _edgesIDsPeriodicityVector[i].theEdge1ID;
2612       int theFace2 = _edgesIDsPeriodicityVector[i].theFace2ID;
2613       int theEdge2 = _edgesIDsPeriodicityVector[i].theEdge2ID;
2614       int edge_orientation = _edgesIDsPeriodicityVector[i].edge_orientation;
2615       MESSAGE("_edgesIDsPeriodicityVector[" << i << "] = (" << theFace1 << ", " << theEdge1 << ", " << theFace2 << ", " << theEdge2 << ", " << edge_orientation << ")");
2616       status = cad_add_edge_periodicity(c, theFace1, theEdge1, theFace2, theEdge2, edge_orientation);
2617       if(status != STATUS_OK){
2618         cout << "cad_add_edge_periodicity failed with error code " << status << "\n";
2619       }
2620     }
2621     MESSAGE("END EDGE PERIODICITY");
2622   }
2623
2624   if (! _verticesIDsPeriodicityVector.empty()){
2625     MESSAGE("INTO VERTEX PERIODICITY");
2626     for (std::size_t i=0; i < _verticesIDsPeriodicityVector.size(); i++){
2627       int theEdge1 = _verticesIDsPeriodicityVector[i].theEdge1ID;
2628       int theVertex1 = _verticesIDsPeriodicityVector[i].theVertex1ID;
2629       int theEdge2 = _verticesIDsPeriodicityVector[i].theEdge2ID;
2630       int theVertex2 = _verticesIDsPeriodicityVector[i].theVertex2ID;
2631       MESSAGE("_verticesIDsPeriodicityVector[" << i << "] = (" << theEdge1 << ", " << theVertex1 << ", " << theEdge2 << ", " << theVertex2 << ")");
2632       status = cad_add_point_periodicity(c, theEdge1, theVertex1, theEdge2, theVertex2);
2633       if(status != STATUS_OK){
2634         cout << "cad_add_vertex_periodicity failed with error code " << status << "\n";
2635       }
2636     }
2637     MESSAGE("END VERTEX PERIODICITY");
2638   }
2639
2640     ////
2641
2642   if (use_precad) {
2643     MESSAGE("use_precad");
2644     /* Now launch the PreCAD process */
2645     status = precad_process(pcs);
2646     if(status != STATUS_OK){
2647       // TODO: raise an error if status < 0.
2648       cout << "================ WARNING =================== \n";
2649       stringstream msg;
2650       msg << "PreCAD processing failed with error code " << status << "\n";
2651       msg << *mcud._error;
2652       cout << msg.str();
2653       cout << "============================================ \n";
2654       // the text of _comment is set in message_cb by mcud->_error
2655       // => No need to append msg to _comment
2656       if (status > 0)
2657         {
2658           // TODO: fix the SIGSEGV of COMPERR_WARNING with 2 launches
2659           error(COMPERR_WARNING, _comment);
2660         }
2661       if (status < 0)
2662         {
2663           error(_comment);
2664         }
2665     }
2666     else {
2667       // retrieve the pre-processed CAD object
2668
2669       // dcad
2670       cleandc = precad_new_dcad(pcs);
2671       if(!cleandc){
2672         cout << "Unable to retrieve PreCAD result on dcad \n";
2673       }
2674       else
2675         cout << "PreCAD processing successfull on dcad \n";
2676
2677       // cad
2678       cleanc = precad_new_cad(pcs);
2679       if(!cleanc){
2680         cout << "Unable to retrieve PreCAD result on cad \n";
2681       }
2682       else
2683         cout << "PreCAD processing successfull on cad \n";
2684
2685       // #if BLSURF_VERSION_LONG >= "3.1.1"
2686       //       /* We can now get the updated sizemaps (if any) */
2687       // //       if(geo_sizemap_e)
2688       // //         clean_geo_sizemap_e = precad_new_sizemap(pcs, geo_sizemap_e);
2689       // //
2690       // //       if(geo_sizemap_f)
2691       // //         clean_geo_sizemap_f = precad_new_sizemap(pcs, geo_sizemap_f);
2692       //
2693       //       if(iso_sizemap_p)
2694       //         clean_iso_sizemap_p = precad_new_sizemap(pcs, iso_sizemap_p);
2695       //
2696       //       if(iso_sizemap_e)
2697       //         clean_iso_sizemap_e = precad_new_sizemap(pcs, iso_sizemap_e);
2698       //
2699       //       if(iso_sizemap_f)
2700       //         clean_iso_sizemap_f = precad_new_sizemap(pcs, iso_sizemap_f);
2701       // #endif
2702     }
2703     // Now we can delete the PreCAD session
2704     precad_session_delete(pcs);
2705   }
2706
2707   if (cleandc) {
2708     cout << "Give the pre-processed dcad object to the current BLSurf session \n";
2709     cadsurf_data_set_dcad(css, cleandc);
2710   }
2711   else {
2712     // Use the original one
2713     cadsurf_data_set_dcad(css, dcad);
2714   }
2715
2716   if (cleanc) {
2717     // Give the pre-processed CAD object to the current BLSurf session
2718     cout << "Give the pre-processed CAD object to the current BLSurf session \n";
2719     cadsurf_data_set_cad(css, cleanc);
2720   }
2721   else {
2722     // Use the original one
2723     cadsurf_data_set_cad(css, c);
2724   }
2725
2726   std::cout << std::endl;
2727   std::cout << "Beginning of Surface Mesh generation" << std::endl;
2728   std::cout << std::endl;
2729
2730   try {
2731     OCC_CATCH_SIGNALS;
2732
2733     status = cadsurf_compute_mesh(css);
2734
2735   }
2736   catch ( std::exception& exc ) {
2737     _comment += exc.what();
2738   }
2739   catch (Standard_Failure& ex) {
2740     _comment += ex.DynamicType()->Name();
2741     if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2742       _comment += ": ";
2743       _comment += ex.GetMessageString();
2744     }
2745   }
2746   catch (...) {
2747     if ( _comment.empty() )
2748       _comment = "Exception in cadsurf_compute_mesh()";
2749   }
2750
2751   std::cout << std::endl;
2752   std::cout << "End of Surface Mesh generation" << std::endl;
2753   std::cout << std::endl;
2754
2755   mesh_t *msh = NULL;
2756   cadsurf_data_get_mesh(css, &msh);
2757   if(!msh){
2758     /* release the mesh object */
2759     cadsurf_data_regain_mesh(css, msh);
2760     return error(_comment);
2761   }
2762
2763   std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2764   if (_hypothesis)
2765     GMFFileName = _hypothesis->GetGMFFile();
2766   if (GMFFileName != "") {
2767     //     bool GMFFileMode = _hypothesis->GetGMFFileMode();
2768     bool asciiFound = (GMFFileName.find(".mesh",GMFFileName.length()-5) != std::string::npos);
2769     bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2770     if (!asciiFound && !binaryFound)
2771       GMFFileName.append(".mesh");
2772     mesh_write_mesh(msh, GMFFileName.c_str());
2773   }
2774
2775   /* retrieve mesh data (see meshgems/mesh.h) */
2776   integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2777   integer *evedg, *evtri, *evquad, *tags_buff, type;
2778   real xyz[3];
2779
2780   mesh_get_vertex_count(msh, &nv);
2781   mesh_get_edge_count(msh, &ne);
2782   mesh_get_triangle_count(msh, &nt);
2783   mesh_get_quadrangle_count(msh, &nq);
2784
2785   evedg  = (integer *)mesh_calloc_generic_buffer(msh);
2786   evtri  = (integer *)mesh_calloc_generic_buffer(msh);
2787   evquad = (integer *)mesh_calloc_generic_buffer(msh);
2788   tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2789
2790   std::vector<const SMDS_MeshNode*> nodes(nv+1);
2791   std::vector<bool>                  tags(nv+1);
2792
2793   /* enumerated vertices */
2794   for(int iv=1;iv<=nv;iv++) {
2795     mesh_get_vertex_coordinates(msh, iv, xyz);
2796     mesh_get_vertex_tag(msh, iv, &tag);
2797     // Issue 0020656. Use vertex coordinates
2798     nodes[iv] = NULL;
2799     if ( tag > 0 && tag <= pmap.Extent() ) {
2800       TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2801       double tol = BRep_Tool::Tolerance( v );
2802       gp_Pnt p = BRep_Tool::Pnt( v );
2803       if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2804         xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2805       else
2806         tag = 0; // enforced or attracted vertex
2807       nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2808     }
2809     if ( !nodes[iv] )
2810       nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2811
2812     // Create group of enforced vertices if requested
2813     BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2814     projVertex.clear();
2815     projVertex.push_back((double)xyz[0]);
2816     projVertex.push_back((double)xyz[1]);
2817     projVertex.push_back((double)xyz[2]);
2818     std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2819     if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end()) {
2820       MESSAGE("Found enforced vertex @ " << xyz[0] << ", " << xyz[1] << ", " << xyz[2]);
2821       BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2822       BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2823       for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2824         currentEnfVertex = (*enfListIt);
2825         if (currentEnfVertex->grpName != "") {
2826           bool groupDone = false;
2827           SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2828           MESSAGE("currentEnfVertex->grpName: " << currentEnfVertex->grpName);
2829           MESSAGE("Parsing the groups of the mesh");
2830           while (grIt->more()) {
2831             SMESH_Group * group = grIt->next();
2832             if ( !group ) continue;
2833             MESSAGE("Group: " << group->GetName());
2834             SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2835             if ( !groupDS ) continue;
2836             MESSAGE("group->SMDSGroup().GetType(): " << (groupDS->GetType()));
2837             MESSAGE("group->SMDSGroup().GetType()==SMDSAbs_Node: " << (groupDS->GetType()==SMDSAbs_Node));
2838             MESSAGE("currentEnfVertex->grpName.compare(group->GetStoreName())==0: " << (currentEnfVertex->grpName.compare(group->GetName())==0));
2839             if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2840               SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2841               aGroupDS->SMDSGroup().Add(nodes[iv]);
2842               MESSAGE("Node ID: " << nodes[iv]->GetID());
2843               // How can I inform the hypothesis ?
2844               //                 _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2845               groupDone = true;
2846               MESSAGE("Successfully added enforced vertex to existing group " << currentEnfVertex->grpName);
2847               break;
2848             }
2849           }
2850           if (!groupDone)
2851           {
2852             int groupId;
2853             SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2854             aGroup->SetName( currentEnfVertex->grpName.c_str() );
2855             SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2856             aGroupDS->SMDSGroup().Add(nodes[iv]);
2857             MESSAGE("Successfully created enforced vertex group " << currentEnfVertex->grpName);
2858             groupDone = true;
2859           }
2860           if (!groupDone)
2861             throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2862         }
2863         else
2864           MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2865       }
2866     }
2867
2868     // internal points are tagged to zero
2869     if(tag > 0 && tag <= pmap.Extent() ){
2870       meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2871       tags[iv] = false;
2872     } else {
2873       tags[iv] = true;
2874     }
2875   }
2876
2877   /* enumerate edges */
2878   for(int it=1;it<=ne;it++) {
2879     SMDS_MeshEdge* edg;
2880     mesh_get_edge_vertices(msh, it, vtx);
2881     mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2882     mesh_get_edge_tag(msh, it, &tag);
2883
2884     // If PreCAD performed some cleaning operations (remove tiny edges,
2885     // merge edges ...) an output tag can indeed represent several original tags.
2886     // Get the initial tags corresponding to the output tag and redefine the tag as
2887     // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2888     mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2889     if(nb_tag > 1)
2890       tag=tags_buff[nb_tag-1];
2891
2892     if (tags[vtx[0]]) {
2893       Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2894       tags[vtx[0]] = false;
2895     };
2896     if (tags[vtx[1]]) {
2897       Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2898       tags[vtx[1]] = false;
2899     };
2900     if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2901       // QUADRATIC EDGE
2902       if (tags[evedg[0]]) {
2903         Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2904         tags[evedg[0]] = false;
2905       }
2906       edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2907     }
2908     else {
2909       edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2910     }
2911     meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2912   }
2913
2914   /* enumerate triangles */
2915   for(int it=1;it<=nt;it++) {
2916     SMDS_MeshFace* tri;
2917     mesh_get_triangle_vertices(msh, it, vtx);
2918     mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2919     mesh_get_triangle_tag(msh, it, &tag);
2920     if (tags[vtx[0]]) {
2921       meshDS->SetNodeOnFace(nodes[vtx[0]], TopoDS::Face(fmap(tag)));
2922       tags[vtx[0]] = false;
2923     };
2924     if (tags[vtx[1]]) {
2925       meshDS->SetNodeOnFace(nodes[vtx[1]], TopoDS::Face(fmap(tag)));
2926       tags[vtx[1]] = false;
2927     };
2928     if (tags[vtx[2]]) {
2929       meshDS->SetNodeOnFace(nodes[vtx[2]], TopoDS::Face(fmap(tag)));
2930       tags[vtx[2]] = false;
2931     };
2932     if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2933       // QUADRATIC TRIANGLE
2934       if (tags[evtri[0]]) {
2935         meshDS->SetNodeOnFace(nodes[evtri[0]], TopoDS::Face(fmap(tag)));
2936         tags[evtri[0]] = false;
2937       }
2938       if (tags[evtri[1]]) {
2939         meshDS->SetNodeOnFace(nodes[evtri[1]], TopoDS::Face(fmap(tag)));
2940         tags[evtri[1]] = false;
2941       }
2942       if (tags[evtri[2]]) {
2943         meshDS->SetNodeOnFace(nodes[evtri[2]], TopoDS::Face(fmap(tag)));
2944         tags[evtri[2]] = false;
2945       }
2946       tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2947                             nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2948     }
2949     else {
2950       tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2951     }
2952     meshDS->SetMeshElementOnShape(tri, TopoDS::Face(fmap(tag)));
2953   }
2954
2955   /* enumerate quadrangles */
2956   for(int it=1;it<=nq;it++) {
2957     SMDS_MeshFace* quad;
2958     mesh_get_quadrangle_vertices(msh, it, vtx);
2959     mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2960     mesh_get_quadrangle_tag(msh, it, &tag);
2961     if (tags[vtx[0]]) {
2962       meshDS->SetNodeOnFace(nodes[vtx[0]], TopoDS::Face(fmap(tag)));
2963       tags[vtx[0]] = false;
2964     };
2965     if (tags[vtx[1]]) {
2966       meshDS->SetNodeOnFace(nodes[vtx[1]], TopoDS::Face(fmap(tag)));
2967       tags[vtx[1]] = false;
2968     };
2969     if (tags[vtx[2]]) {
2970       meshDS->SetNodeOnFace(nodes[vtx[2]], TopoDS::Face(fmap(tag)));
2971       tags[vtx[2]] = false;
2972     };
2973     if (tags[vtx[3]]) {
2974       meshDS->SetNodeOnFace(nodes[vtx[3]], TopoDS::Face(fmap(tag)));
2975       tags[vtx[3]] = false;
2976     };
2977     if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2978       // QUADRATIC QUADRANGLE
2979       std::cout << "This is a quadratic quadrangle" << std::endl;
2980       if (tags[evquad[0]]) {
2981         meshDS->SetNodeOnFace(nodes[evquad[0]], TopoDS::Face(fmap(tag)));
2982         tags[evquad[0]] = false;
2983       }
2984       if (tags[evquad[1]]) {
2985         meshDS->SetNodeOnFace(nodes[evquad[1]], TopoDS::Face(fmap(tag)));
2986         tags[evquad[1]] = false;
2987       }
2988       if (tags[evquad[2]]) {
2989         meshDS->SetNodeOnFace(nodes[evquad[2]], TopoDS::Face(fmap(tag)));
2990         tags[evquad[2]] = false;
2991       }
2992       if (tags[evquad[3]]) {
2993         meshDS->SetNodeOnFace(nodes[evquad[3]], TopoDS::Face(fmap(tag)));
2994         tags[evquad[3]] = false;
2995       }
2996       if (tags[evquad[4]]) {
2997         meshDS->SetNodeOnFace(nodes[evquad[4]], TopoDS::Face(fmap(tag)));
2998         tags[evquad[4]] = false;
2999       }
3000       quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
3001                              nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
3002                              nodes[evquad[4]]);
3003     }
3004     else {
3005       quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
3006     }
3007     meshDS->SetMeshElementOnShape(quad, TopoDS::Face(fmap(tag)));
3008   }
3009
3010   /* release the mesh object, the rest is released by cleaner */
3011   cadsurf_data_regain_mesh(css, msh);
3012
3013   if ( needMerge ) // sew mesh computed by BLSURF with pre-existing mesh
3014   {
3015     SMESH_MeshEditor editor( &aMesh );
3016     SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
3017     TIDSortedElemSet segementsOnEdge;
3018     TSubMeshSet::iterator smIt;
3019     SMESHDS_SubMesh* smDS;
3020
3021     // merge nodes on EDGE's with ones computed by BLSURF
3022     for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
3023     {
3024       if (! (smDS = *smIt) ) continue;
3025       getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
3026
3027       SMDS_ElemIteratorPtr segIt = smDS->GetElements();
3028       while ( segIt->more() )
3029         segementsOnEdge.insert( segIt->next() );
3030     }
3031     // merge nodes
3032     editor.MergeNodes( nodeGroupsToMerge );
3033
3034     // merge segments
3035     SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
3036     editor.FindEqualElements( segementsOnEdge, equalSegments );
3037     editor.MergeElements( equalSegments );
3038
3039     // remove excess segments created on the boundary of viscous layers
3040     const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
3041     for ( int i = 1; i <= emap.Extent(); ++i )
3042     {
3043       if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
3044       {
3045         SMDS_ElemIteratorPtr segIt = smDS->GetElements();
3046         while ( segIt->more() )
3047         {
3048           const SMDS_MeshElement* seg = segIt->next();
3049           if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
3050                seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
3051             meshDS->RemoveFreeElement( seg, smDS );
3052         }
3053       }
3054     }
3055   }
3056
3057   // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
3058   TopLoc_Location loc; double f,l;
3059   for (int i = 1; i <= emap.Extent(); i++)
3060     if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
3061       sm->SetIsAlwaysComputed( true );
3062   for (int i = 1; i <= pmap.Extent(); i++)
3063     if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
3064       if ( !sm->IsMeshComputed() )
3065         sm->SetIsAlwaysComputed( true );
3066
3067   // Set error to FACE's w/o elements
3068   SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
3069   if ( _comment.empty() && status == STATUS_OK )
3070   {
3071     err      = COMPERR_WARNING;
3072     _comment = "No mesh elements assigned to a face";
3073   }
3074   bool badFaceFound = false;
3075   for ( int i = 1; i <= fmap.Extent(); ++i )
3076   {
3077     SMESH_subMesh* sm = aMesh.GetSubMesh( fmap(i) );
3078     if ( !sm->GetSubMeshDS() || sm->GetSubMeshDS()->NbElements() == 0 )
3079     {
3080       sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
3081       badFaceFound = true;
3082     }
3083   }
3084   if ( err == COMPERR_WARNING )
3085   {
3086     _comment.clear();
3087   }
3088   if ( status != STATUS_OK && !badFaceFound ) {
3089     error(_comment);
3090   }
3091
3092   // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
3093 #ifndef WIN32
3094   if ( oldFEFlags > 0 )
3095     feenableexcept( oldFEFlags );
3096   feclearexcept( FE_ALL_EXCEPT );
3097 #endif
3098
3099   /*
3100     std::cout << "FacesWithSizeMap" << std::endl;
3101     FacesWithSizeMap.Statistics(std::cout);
3102     std::cout << "EdgesWithSizeMap" << std::endl;
3103     EdgesWithSizeMap.Statistics(std::cout);
3104     std::cout << "VerticesWithSizeMap" << std::endl;
3105     VerticesWithSizeMap.Statistics(std::cout);
3106     std::cout << "FacesWithEnforcedVertices" << std::endl;
3107     FacesWithEnforcedVertices.Statistics(std::cout);
3108   */
3109
3110   MESSAGE("END OF BLSURFPlugin_BLSURF::Compute()");
3111   return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
3112 }
3113
3114 //================================================================================
3115 /*!
3116  * \brief Terminates computation
3117  */
3118 //================================================================================
3119
3120 void BLSURFPlugin_BLSURF::CancelCompute()
3121 {
3122   _compute_canceled = true;
3123 }
3124
3125 //=============================================================================
3126 /*!
3127  *  SetNodeOnEdge
3128  */
3129 //=============================================================================
3130
3131 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS, const SMDS_MeshNode* node, const TopoDS_Shape& ed) {
3132   const TopoDS_Edge edge = TopoDS::Edge(ed);
3133
3134   gp_Pnt pnt(node->X(), node->Y(), node->Z());
3135
3136   Standard_Real p0 = 0.0;
3137   Standard_Real p1 = 1.0;
3138   TopLoc_Location loc;
3139   Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3140   if ( curve.IsNull() )
3141   {
3142     // issue 22499. Node at a sphere apex
3143     meshDS->SetNodeOnEdge(node, edge, p0);
3144     return;
3145   }
3146
3147   if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3148   GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3149
3150   double pa = 0.;
3151   if ( proj.NbPoints() > 0 )
3152   {
3153     pa = (double)proj.LowerDistanceParameter();
3154     // Issue 0020656. Move node if it is too far from edge
3155     gp_Pnt curve_pnt = curve->Value( pa );
3156     double dist2     = pnt.SquareDistance( curve_pnt );
3157     double tol       = BRep_Tool::Tolerance( edge );
3158     if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3159     {
3160       curve_pnt.Transform( loc );
3161       meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3162     }
3163   }
3164
3165   meshDS->SetNodeOnEdge(node, edge, pa);
3166 }
3167
3168 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3169  * more information.
3170  * NOTE : if when your CAD systems evaluates second
3171  * order derivatives it also computes first order derivatives and
3172  * function evaluation, you can optimize this example by making only
3173  * one CAD call and filling the necessary uv, dt, dtt arrays.
3174  */
3175 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3176 {
3177   /* t is given. It contains the t (time) 1D parametric coordintaes
3178      of the point PreCAD/BLSurf is querying on the curve */
3179
3180   /* user_data identifies the edge PreCAD/BLSurf is querying
3181    * (see cad_edge_new later in this example) */
3182   const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3183
3184   if (uv){
3185    /* BLSurf is querying the function evaluation */
3186     gp_Pnt2d P;
3187     P=pargeo->Value(t);
3188     uv[0]=P.X(); uv[1]=P.Y();
3189   }
3190
3191   if(dt) {
3192    /* query for the first order derivatives */
3193     gp_Vec2d V1;
3194     V1=pargeo->DN(t,1);
3195     dt[0]=V1.X(); dt[1]=V1.Y();
3196   }
3197
3198   if(dtt){
3199     /* query for the second order derivatives */
3200     gp_Vec2d V2;
3201     V2=pargeo->DN(t,2);
3202     dtt[0]=V2.X(); dtt[1]=V2.Y();
3203   }
3204
3205   return STATUS_OK;
3206 }
3207
3208 /* Surface definition function.
3209  * See cad_surf_t in file meshgems/cad.h for more information.
3210  * NOTE : if when your CAD systems evaluates second order derivatives it also
3211  * computes first order derivatives and function evaluation, you can optimize
3212  * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3213  * arrays.
3214  */
3215 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3216                   real *duu, real *duv, real *dvv, void *user_data)
3217 {
3218   /* uv[2] is given. It contains the u,v coordinates of the point
3219    * PreCAD/BLSurf is querying on the surface */
3220
3221   /* user_data identifies the face PreCAD/BLSurf is querying (see
3222    * cad_face_new later in this example)*/
3223   const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3224
3225   if(xyz){
3226    gp_Pnt P;
3227    P=geometry->Value(uv[0],uv[1]);   // S.D0(U,V,P);
3228    xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3229   }
3230
3231   if(du && dv){
3232     gp_Pnt P;
3233     gp_Vec D1U,D1V;
3234
3235     geometry->D1(uv[0],uv[1],P,D1U,D1V);
3236     du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3237     dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3238   }
3239
3240   if(duu && duv && dvv){
3241
3242     gp_Pnt P;
3243     gp_Vec D1U,D1V;
3244     gp_Vec D2U,D2V,D2UV;
3245
3246     geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3247     duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3248     duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3249     dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3250   }
3251
3252   return STATUS_OK;
3253 }
3254
3255
3256 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3257 {
3258   //MESSAGE("size_on_surface")
3259   if (FaceId2PythonSmp.count(face_id) != 0){
3260     //MESSAGE("A size map is used to calculate size on face : "<<face_id)
3261     PyObject * pyresult = NULL;
3262     PyObject* new_stderr = NULL;
3263     assert(Py_IsInitialized());
3264     PyGILState_STATE gstate;
3265     gstate = PyGILState_Ensure();
3266     pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3267     real result;
3268     if ( pyresult != NULL) {
3269       result = PyFloat_AsDouble(pyresult);
3270       Py_DECREF(pyresult);
3271 //       *size = result;
3272     }
3273     else{
3274       fflush(stderr);
3275       string err_description="";
3276       new_stderr = newPyStdOut(err_description);
3277       PySys_SetObject((char*)"stderr", new_stderr);
3278       PyErr_Print();
3279       PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
3280       Py_DECREF(new_stderr);
3281       MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3282       result = *((real*)user_data);
3283     }
3284     *size = result;
3285     PyGILState_Release(gstate);
3286   }
3287   else if (FaceIndex2ClassAttractor.count(face_id) !=0 && !FaceIndex2ClassAttractor[face_id]->Empty()){
3288 //    MESSAGE("attractor used on face :"<<face_id)
3289     // MESSAGE("List of attractor is not empty")
3290     // MESSAGE("Attractor empty : "<< FaceIndex2ClassAttractor[face_id]->Empty())
3291     real result = FaceIndex2ClassAttractor[face_id]->GetSize(uv[0],uv[1]);
3292     *size = result;
3293   }
3294   else {
3295     // MESSAGE("List of attractor is empty !!!")
3296     *size = *((real*)user_data);
3297   }
3298 //   std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3299   return STATUS_OK;
3300 }
3301
3302 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3303 {
3304   if (EdgeId2PythonSmp.count(edge_id) != 0){
3305     PyObject * pyresult = NULL;
3306     PyObject* new_stderr = NULL;
3307     assert(Py_IsInitialized());
3308     PyGILState_STATE gstate;
3309     gstate = PyGILState_Ensure();
3310     pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3311     real result;
3312     if ( pyresult != NULL) {
3313       result = PyFloat_AsDouble(pyresult);
3314       Py_DECREF(pyresult);
3315 //       *size = result;
3316     }
3317     else{
3318       fflush(stderr);
3319       string err_description="";
3320       new_stderr = newPyStdOut(err_description);
3321       PySys_SetObject((char*)"stderr", new_stderr);
3322       PyErr_Print();
3323       PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
3324       Py_DECREF(new_stderr);
3325       MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3326       result = *((real*)user_data);
3327     }
3328     *size = result;
3329     PyGILState_Release(gstate);
3330   }
3331   else {
3332     *size = *((real*)user_data);
3333   }
3334   return STATUS_OK;
3335 }
3336
3337 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3338 {
3339   if (VertexId2PythonSmp.count(point_id) != 0){
3340     PyObject * pyresult = NULL;
3341     PyObject* new_stderr = NULL;
3342     assert(Py_IsInitialized());
3343     PyGILState_STATE gstate;
3344     gstate = PyGILState_Ensure();
3345     pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3346     real result;
3347     if ( pyresult != NULL) {
3348       result = PyFloat_AsDouble(pyresult);
3349       Py_DECREF(pyresult);
3350 //       *size = result;
3351     }
3352     else {
3353       fflush(stderr);
3354       string err_description="";
3355       new_stderr = newPyStdOut(err_description);
3356       PySys_SetObject((char*)"stderr", new_stderr);
3357       PyErr_Print();
3358       PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
3359       Py_DECREF(new_stderr);
3360       MESSAGE("Can't evaluate f()" << " error is " << err_description);
3361       result = *((real*)user_data);
3362     }
3363     *size = result;
3364     PyGILState_Release(gstate);
3365   }
3366   else {
3367     *size = *((real*)user_data);
3368   }
3369  return STATUS_OK;
3370 }
3371
3372 /*
3373  * The following function will be called for PreCAD/BLSurf message
3374  * printing.  See context_set_message_callback (later in this
3375  * template) for how to set user_data.
3376  */
3377 status_t message_cb(message_t *msg, void *user_data)
3378 {
3379   integer errnumber = 0;
3380   char *desc;
3381   message_get_number(msg, &errnumber);
3382   message_get_description(msg, &desc);
3383   string err( desc );
3384   message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3385   // Get all the error message and some warning messages related to license and periodicity
3386   if ( errnumber < 0 ||
3387        err.find("license"    ) != string::npos ||
3388        err.find("periodicity") != string::npos )
3389   {
3390     // remove ^A from the tail
3391     int len = strlen( desc );
3392     while (len > 0 && desc[len-1] != '\n')
3393       len--;
3394     mcud->_error->append( desc, len );
3395   }
3396   else {
3397     if ( errnumber == 3009001 )
3398       * mcud->_progress = atof( desc + 11 ) / 100.;
3399     if ( mcud->_verbosity > 0 )
3400       std::cout << desc << std::endl;
3401   }
3402   return STATUS_OK;
3403 }
3404
3405 /* This is the interrupt callback. PreCAD/BLSurf will call this
3406  * function regularily. See the file meshgems/interrupt.h
3407  */
3408 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3409 {
3410   integer you_want_to_continue = 1;
3411   BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3412   you_want_to_continue = !tmp->computeCanceled();
3413
3414   if(you_want_to_continue)
3415   {
3416     *interrupt_status = INTERRUPT_CONTINUE;
3417     return STATUS_OK;
3418   }
3419   else /* you want to stop BLSurf */
3420   {
3421     *interrupt_status = INTERRUPT_STOP;
3422     return STATUS_ERROR;
3423   }
3424 }
3425
3426 //=============================================================================
3427 /*!
3428  *
3429  */
3430 //=============================================================================
3431 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh&         aMesh,
3432                                    const TopoDS_Shape& aShape,
3433                                    MapShapeNbElems&    aResMap)
3434 {
3435   double diagonal       = aMesh.GetShapeDiagonalSize();
3436   double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3437   int    _physicalMesh  = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3438   double _phySize       = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3439   bool   _phySizeRel    = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3440   //int    _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3441   double _angleMesh     = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3442   bool   _quadAllowed   = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
3443   if(_hypothesis) {
3444     _physicalMesh  = (int) _hypothesis->GetPhysicalMesh();
3445     _phySizeRel         = _hypothesis->IsPhySizeRel();
3446     if ( _hypothesis->GetPhySize() > 0)
3447       _phySize          = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3448     //_geometricMesh = (int) hyp->GetGeometricMesh();
3449     if (_hypothesis->GetAngleMesh() > 0)
3450       _angleMesh        = _hypothesis->GetAngleMesh();
3451     _quadAllowed        = _hypothesis->GetQuadAllowed();
3452   } else {
3453     //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3454     // GetDefaultPhySize() sometimes leads to computation failure
3455     _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3456     MESSAGE("BLSURFPlugin_BLSURF::SetParameters using defaults");
3457   }
3458
3459   bool IsQuadratic = _quadraticMesh;
3460
3461   // ----------------
3462   // evaluate 1D
3463   // ----------------
3464   TopTools_DataMapOfShapeInteger EdgesMap;
3465   double fullLen = 0.0;
3466   double fullNbSeg = 0;
3467   for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3468     TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3469     if( EdgesMap.IsBound(E) )
3470       continue;
3471     SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3472     double aLen = SMESH_Algo::EdgeLength(E);
3473     fullLen += aLen;
3474     int nb1d = 0;
3475     if(_physicalMesh==1) {
3476        nb1d = (int)( aLen/_phySize + 1 );
3477     }
3478     else {
3479       // use geometry
3480       double f,l;
3481       Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3482       double fullAng = 0.0;
3483       double dp = (l-f)/200;
3484       gp_Pnt P1,P2,P3;
3485       C->D0(f,P1);
3486       C->D0(f+dp,P2);
3487       gp_Vec V1(P1,P2);
3488       for(int j=2; j<=200; j++) {
3489         C->D0(f+dp*j,P3);
3490         gp_Vec V2(P2,P3);
3491         fullAng += fabs(V1.Angle(V2));
3492         V1 = V2;
3493         P2 = P3;
3494       }
3495       nb1d = (int)( fullAng/_angleMesh + 1 );
3496     }
3497     fullNbSeg += nb1d;
3498     std::vector<int> aVec(SMDSEntity_Last);
3499     for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3500     if( IsQuadratic > 0 ) {
3501       aVec[SMDSEntity_Node] = 2*nb1d - 1;
3502       aVec[SMDSEntity_Quad_Edge] = nb1d;
3503     }
3504     else {
3505       aVec[SMDSEntity_Node] = nb1d - 1;
3506       aVec[SMDSEntity_Edge] = nb1d;
3507     }
3508     aResMap.insert(std::make_pair(sm,aVec));
3509     EdgesMap.Bind(E,nb1d);
3510   }
3511   double ELen = fullLen/fullNbSeg;
3512   // ----------------
3513   // evaluate 2D
3514   // ----------------
3515   // try to evaluate as in MEFISTO
3516   for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3517     TopoDS_Face F = TopoDS::Face( exp.Current() );
3518     SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3519     GProp_GProps G;
3520     BRepGProp::SurfaceProperties(F,G);
3521     double anArea = G.Mass();
3522     int nb1d = 0;
3523     std::vector<int> nb1dVec;
3524     for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3525       int nbSeg = EdgesMap.Find(exp1.Current());
3526       nb1d += nbSeg;
3527       nb1dVec.push_back( nbSeg );
3528     }
3529     int nbQuad = 0;
3530     int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3531     int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3532     if ( _quadAllowed )
3533     {
3534       if ( nb1dVec.size() == 4 ) // quadrangle geom face
3535       {
3536         int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3537         nbQuad = n1 * n2;
3538         nbNodes = (n1 + 1) * (n2 + 1);
3539         nbTria = 0;
3540       }
3541       else
3542       {
3543         nbTria = nbQuad = nbTria / 3 + 1;
3544       }
3545     }
3546     std::vector<int> aVec(SMDSEntity_Last,0);
3547     if( IsQuadratic ) {
3548       int nb1d_in = (nbTria*3 - nb1d) / 2;
3549       aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3550       aVec[SMDSEntity_Quad_Triangle] = nbTria;
3551       aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3552     }
3553     else {
3554       aVec[SMDSEntity_Node] = nbNodes;
3555       aVec[SMDSEntity_Triangle] = nbTria;
3556       aVec[SMDSEntity_Quadrangle] = nbQuad;
3557     }
3558     aResMap.insert(std::make_pair(sm,aVec));
3559   }
3560
3561   // ----------------
3562   // evaluate 3D
3563   // ----------------
3564   GProp_GProps G;
3565   BRepGProp::VolumeProperties(aShape,G);
3566   double aVolume = G.Mass();
3567   double tetrVol = 0.1179*ELen*ELen*ELen;
3568   int nbVols  = int(aVolume/tetrVol);
3569   int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3570   std::vector<int> aVec(SMDSEntity_Last);
3571   for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3572   if( IsQuadratic ) {
3573     aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3574     aVec[SMDSEntity_Quad_Tetra] = nbVols;
3575   }
3576   else {
3577     aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3578     aVec[SMDSEntity_Tetra] = nbVols;
3579   }
3580   SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3581   aResMap.insert(std::make_pair(sm,aVec));
3582
3583   return true;
3584 }