src/BLSURFPlugin/BLSURFPlugin_BLSURF.cxx

   1 // Copyright (C) 2007-2013  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.
   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)
 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 on 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       std::multimap< double, const SMDS_MeshNode* >::iterator un2, un1;
1650       for ( un2 = u2node.begin(), un1 = un2++; un2 != u2node.end(); un1 = un2++ )
1651       {
1652         if (( un2->first - un1->first ) <= tol )
1653         {
1654           std::list< const SMDS_MeshNode* > nodes;
1655           nodes.push_back( un1->second );
1656           while (( un2->first - un1->first ) <= tol )
1657           {
1658             nodes.push_back( un2->second );
1659             if ( ++un2 == u2node.end()) {
1660               --un2;
1661               break;
1662             }
1663           }
1664           // make nodes created on the boundary of viscous layer replace nodes created
1665           // by BLSURF as their SMDS_Position is more correct
1666           nodes.sort( ShapeTypeCompare() );
1667           nodeGroupsToMerge.push_back( nodes );
1668         }
1669       }
1670       break;
1671     }
1672     default: ;
1673     }
1674     // SMESH_MeshEditor::TListOfListOfNodes::const_iterator nll = nodeGroupsToMerge.begin();
1675     // for ( ; nll != nodeGroupsToMerge.end(); ++nll )
1676     // {
1677     //   cout << "Merge ";
1678     //   const std::list< const SMDS_MeshNode* >& nl = *nll;
1679     //   std::list< const SMDS_MeshNode* >::const_iterator nIt = nl.begin();
1680     //   for ( ; nIt != nl.end(); ++nIt )
1681     //     cout << (*nIt) << " ";
1682     //   cout << endl;
1683     // }
1684     // cout << endl;
1685   }
1686
1687   //================================================================================
1688   /*!
1689    * \brief A temporary mesh used to compute mesh on a proxy FACE
1690    */
1691   //================================================================================
1692
1693   struct TmpMesh: public SMESH_Mesh
1694   {
1695     typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare > TN2NMap;
1696     TN2NMap     _tmp2origNN;
1697     TopoDS_Face _proxyFace;
1698
1699     TmpMesh()
1700     {
1701       _myMeshDS = new SMESHDS_Mesh( _id, true );
1702     }
1703     //--------------------------------------------------------------------------------
1704     /*!
1705      * \brief Creates a FACE bound by viscous layers and mesh each its EDGE with 1 segment
1706      */
1707     //--------------------------------------------------------------------------------
1708
1709     const TopoDS_Face& makeProxyFace( SMESH_ProxyMesh::Ptr& viscousMesh,
1710                                       const TopoDS_Face&    origFace)
1711     {
1712       // get data of nodes on inner boundary of viscous layers
1713       SMESH_Mesh* origMesh = viscousMesh->GetMesh();
1714       TError err;
1715       TSideVector wireVec = StdMeshers_FaceSide::GetFaceWires(origFace, *origMesh,
1716                                                               /*skipMediumNodes = */true,
1717                                                               err, viscousMesh );
1718       if ( err && err->IsKO() )
1719         throw *err.get(); // it should be caught at SMESH_subMesh
1720
1721       // proxy nodes and corresponding tmp VERTEXes
1722       std::vector<const SMDS_MeshNode*> origNodes;
1723       std::vector<TopoDS_Vertex>        tmpVertex;
1724
1725       // create a proxy FACE
1726       TopoDS_Shape origFaceCopy = origFace.EmptyCopied();
1727       BRepBuilderAPI_MakeFace newFace( TopoDS::Face( origFaceCopy ));
1728       for ( size_t iW = 0; iW != wireVec.size(); ++iW )
1729       {
1730         StdMeshers_FaceSidePtr& wireData = wireVec[iW];
1731         const UVPtStructVec& wirePoints = wireData->GetUVPtStruct();
1732         if ( wirePoints.size() < 3 )
1733           continue;
1734
1735         BRepBuilderAPI_MakePolygon wire;
1736         const size_t i0 = tmpVertex.size();
1737         for ( size_t iN = 1; iN < wirePoints.size(); ++iN )
1738         {
1739           wire.Add( SMESH_TNodeXYZ( wirePoints[ iN ].node ));
1740           origNodes.push_back( wirePoints[ iN ].node );
1741           tmpVertex.push_back( wire.LastVertex() );
1742         }
1743         tmpVertex[ i0 ] = wire.FirstVertex(); // wire.LastVertex()==NULL for 1 vertex in wire
1744         wire.Close();
1745         if ( !wire.IsDone() )
1746           throw SALOME_Exception("BLSURFPlugin_BLSURF: BRepBuilderAPI_MakePolygon failed");
1747         newFace.Add( wire );
1748       }
1749       _proxyFace = newFace;
1750
1751       // set a new shape to mesh
1752       TopoDS_Compound auxCompoundToMesh;
1753       BRep_Builder shapeBuilder;
1754       shapeBuilder.MakeCompound( auxCompoundToMesh );
1755       shapeBuilder.Add( auxCompoundToMesh, _proxyFace );
1756       shapeBuilder.Add( auxCompoundToMesh, origMesh->GetShapeToMesh() );
1757
1758       ShapeToMesh( auxCompoundToMesh );
1759
1760       //TopExp_Explorer fExp( auxCompoundToMesh, TopAbs_FACE );
1761       //_proxyFace = TopoDS::Face( fExp.Current() );
1762
1763
1764       // Make input mesh for BLSURF: segments on EDGE's of newFace
1765
1766       // make nodes and fill in _tmp2origNN
1767       //
1768       SMESHDS_Mesh* tmpMeshDS = GetMeshDS();
1769       for ( size_t i = 0; i < origNodes.size(); ++i )
1770       {
1771         GetSubMesh( tmpVertex[i] )->ComputeStateEngine( SMESH_subMesh::COMPUTE );
1772         if ( const SMDS_MeshNode* tmpN = SMESH_Algo::VertexNode( tmpVertex[i], tmpMeshDS ))
1773           _tmp2origNN.insert( _tmp2origNN.end(), make_pair( tmpN, origNodes[i] ));
1774         else
1775           throw SALOME_Exception("BLSURFPlugin_BLSURF: a proxy vertex not meshed");
1776       }
1777
1778       // make segments
1779       TopoDS_Vertex v1, v2;
1780       for ( TopExp_Explorer edge( _proxyFace, TopAbs_EDGE ); edge.More(); edge.Next() )
1781       {
1782         const TopoDS_Edge& E = TopoDS::Edge( edge.Current() );
1783         TopExp::Vertices( E, v1, v2 );
1784         const SMDS_MeshNode* n1 = SMESH_Algo::VertexNode( v1, tmpMeshDS );
1785         const SMDS_MeshNode* n2 = SMESH_Algo::VertexNode( v2, tmpMeshDS );
1786
1787         if ( SMDS_MeshElement* seg = tmpMeshDS->AddEdge( n1, n2 ))
1788           tmpMeshDS->SetMeshElementOnShape( seg, E );
1789       }
1790
1791       return _proxyFace;
1792     }
1793
1794     //--------------------------------------------------------------------------------
1795     /*!
1796      * \brief Fill in the origMesh with faces computed by BLSURF in this tmp mesh
1797      */
1798     //--------------------------------------------------------------------------------
1799
1800     void FillInOrigMesh( SMESH_Mesh&        origMesh,
1801                          const TopoDS_Face& origFace )
1802     {
1803       SMESH_MesherHelper helper( origMesh );
1804       helper.SetSubShape( origFace );
1805       helper.SetElementsOnShape( true );
1806
1807       SMESH_MesherHelper tmpHelper( *this );
1808       tmpHelper.SetSubShape( _proxyFace );
1809
1810       // iterate over tmp faces and copy them in origMesh
1811       const SMDS_MeshNode* nodes[27];
1812       const SMDS_MeshNode* nullNode = 0;
1813       double xyz[3];
1814       SMDS_FaceIteratorPtr fIt = GetMeshDS()->facesIterator(/*idInceasingOrder=*/true);
1815       while ( fIt->more() )
1816       {
1817         const SMDS_MeshElement* f = fIt->next();
1818         SMDS_ElemIteratorPtr nIt = f->nodesIterator();
1819         int nbN = 0;
1820         for ( ; nIt->more(); ++nbN )
1821         {
1822           const SMDS_MeshNode* n = static_cast<const SMDS_MeshNode*>( nIt->next() );
1823           TN2NMap::iterator n2nIt =
1824             _tmp2origNN.insert( _tmp2origNN.end(), make_pair( n, nullNode ));
1825           if ( !n2nIt->second ) {
1826             n->GetXYZ( xyz );
1827             gp_XY uv = tmpHelper.GetNodeUV( _proxyFace, n );
1828             n2nIt->second = helper.AddNode( xyz[0], xyz[1], xyz[2], uv.X(), uv.Y() );
1829           }
1830           nodes[ nbN ] = n2nIt->second;
1831         }
1832         switch( nbN ) {
1833         case 3: helper.AddFace( nodes[0], nodes[1], nodes[2] ); break;
1834         // case 6: helper.AddFace( nodes[0], nodes[1], nodes[2],
1835         //                         nodes[3], nodes[4], nodes[5]); break;
1836         case 4: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3] ); break;
1837         // case 9: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1838         //                         nodes[4], nodes[5], nodes[6], nodes[7], nodes[8]); break;
1839         // case 8: helper.AddFace( nodes[0], nodes[1], nodes[2], nodes[3],
1840         //                         nodes[4], nodes[5], nodes[6], nodes[7]); break;
1841         }
1842       }
1843     }
1844   };
1845
1846   /*!
1847    * \brief A structure holding an error description and a verbisity level
1848    */
1849   struct message_cb_user_data
1850   {
1851     std::string * _error;
1852     int           _verbosity;
1853     double *      _progress;
1854   };
1855
1856
1857 } // namespace
1858
1859 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data);
1860 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
1861                   real *duu, real *duv, real *dvv, void *user_data);
1862 status_t message_cb(message_t *msg, void *user_data);
1863 status_t interrupt_cb(integer *interrupt_status, void *user_data);
1864
1865 //=============================================================================
1866 /*!
1867  *
1868  */
1869 //=============================================================================
1870
1871 bool BLSURFPlugin_BLSURF::Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape) {
1872
1873   MESSAGE("BLSURFPlugin_BLSURF::Compute");
1874
1875   // Fix problem with locales
1876   Kernel_Utils::Localizer aLocalizer;
1877
1878   if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1879     return false;
1880
1881   if ( _haveViscousLayers )
1882   {
1883     // Compute viscous layers
1884
1885     TopTools_MapOfShape map;
1886     for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1887     {
1888       const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1889       if ( !map.Add( F )) continue;
1890       SMESH_ProxyMesh::Ptr viscousMesh = StdMeshers_ViscousLayers2D::Compute( aMesh, F );
1891       if ( !viscousMesh )
1892         return false; // error in StdMeshers_ViscousLayers2D::Compute()
1893
1894       // Compute BLSURF mesh on viscous layers
1895
1896       if ( viscousMesh->NbProxySubMeshes() > 0 )
1897       {
1898         TmpMesh tmpMesh;
1899         const TopoDS_Face& proxyFace = tmpMesh.makeProxyFace( viscousMesh, F );
1900         if ( !compute( tmpMesh, proxyFace, /*allowSubMeshClearing=*/false ))
1901           return false;
1902         tmpMesh.FillInOrigMesh( aMesh, F );
1903       }
1904     }
1905
1906     // Re-compute BLSURF mesh on the rest faces if the mesh was cleared
1907
1908     for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
1909     {
1910       const TopoDS_Face& F = TopoDS::Face(face_iter.Current());
1911       SMESH_subMesh* fSM = aMesh.GetSubMesh( F );
1912       if ( fSM->IsMeshComputed() ) continue;
1913
1914       if ( !compute( aMesh, aShape, /*allowSubMeshClearing=*/true ))
1915         return false;
1916       break;
1917     }
1918   }
1919   return true;
1920 }
1921
1922 //=============================================================================
1923 /*!
1924  *
1925  */
1926 //=============================================================================
1927
1928 bool BLSURFPlugin_BLSURF::compute(SMESH_Mesh&         aMesh,
1929                                   const TopoDS_Shape& aShape,
1930                                   bool                allowSubMeshClearing)
1931 {
1932   /* create a distene context (generic object) */
1933   status_t status = STATUS_ERROR;
1934
1935   SMESHDS_Mesh* meshDS = aMesh.GetMeshDS();
1936   SMESH_MesherHelper helper( aMesh );
1937   // do not call helper.IsQuadraticSubMesh() because sub-meshes
1938   // may be cleaned and helper.myTLinkNodeMap gets invalid in such a case
1939   bool haveQuadraticSubMesh = SMESH_MesherHelper( aMesh ).IsQuadraticSubMesh( aShape );
1940   bool quadraticSubMeshAndViscousLayer = false;
1941   bool needMerge = false;
1942   typedef set< SMESHDS_SubMesh*, ShapeTypeCompare > TSubMeshSet;
1943   TSubMeshSet edgeSubmeshes;
1944   TSubMeshSet& mergeSubmeshes = edgeSubmeshes;
1945
1946   TopTools_IndexedMapOfShape fmap;
1947   TopTools_IndexedMapOfShape emap;
1948   TopTools_IndexedMapOfShape pmap;
1949
1950   // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
1951 #ifndef WIN32
1952   feclearexcept( FE_ALL_EXCEPT );
1953   int oldFEFlags = fedisableexcept( FE_ALL_EXCEPT );
1954 #endif
1955
1956   context_t *ctx =  context_new();
1957
1958   /* Set the message callback in the working context */
1959   message_cb_user_data mcud;
1960   mcud._error     = & this->SMESH_Algo::_comment;
1961   mcud._progress  = & this->SMESH_Algo::_progress;
1962   mcud._verbosity =
1963     _hypothesis ? _hypothesis->GetVerbosity() : BLSURFPlugin_Hypothesis::GetDefaultVerbosity();
1964   context_set_message_callback(ctx, message_cb, &mcud);
1965
1966   /* set the interruption callback */
1967   _compute_canceled = false;
1968   context_set_interrupt_callback(ctx, interrupt_cb, this);
1969
1970   /* create the CAD object we will work on. It is associated to the context ctx. */
1971   cad_t *c     = cad_new(ctx);
1972   dcad_t *dcad = dcad_new(c);
1973
1974   FacesWithSizeMap.Clear();
1975   FaceId2SizeMap.clear();
1976   FaceId2ClassAttractor.clear();
1977   FaceIndex2ClassAttractor.clear();
1978   EdgesWithSizeMap.Clear();
1979   EdgeId2SizeMap.clear();
1980   VerticesWithSizeMap.Clear();
1981   VertexId2SizeMap.clear();
1982
1983   /* Now fill the CAD object with data from your CAD
1984    * environement. This is the most complex part of a successfull
1985    * integration.
1986    */
1987
1988   // PreCAD
1989   // If user requests it, send the CAD through Distene preprocessor : PreCAD
1990   cad_t *cleanc = NULL; // preprocessed cad
1991   dcad_t *cleandc = NULL; // preprocessed dcad
1992   precad_session_t *pcs = precad_session_new(ctx);
1993   // Give both dcad and cad to precad
1994   precad_data_set_dcad(pcs, dcad);
1995   precad_data_set_cad(pcs, c);
1996
1997   cadsurf_session_t *css = cadsurf_session_new(ctx);
1998
1999   // an object that correctly deletes all cadsurf objects at destruction
2000   BLSURF_Cleaner cleaner( ctx,css,c,dcad,cleanc,cleandc );
2001
2002   MESSAGE("BEGIN SetParameters");
2003   bool use_precad = false;
2004   SetParameters(
2005                 // #if BLSURF_VERSION_LONG >= "3.1.1"
2006                 //     c,
2007                 // #endif
2008                 _hypothesis, css, pcs, aShape, &use_precad);
2009   MESSAGE("END SetParameters");
2010
2011   MESSAGE("_preCadFacesIDsPeriodicityVector.size() = " << _preCadFacesIDsPeriodicityVector.size());
2012
2013   haveQuadraticSubMesh = haveQuadraticSubMesh || (_hypothesis != NULL && _hypothesis->GetQuadraticMesh());
2014   helper.SetIsQuadratic( haveQuadraticSubMesh );
2015
2016   // To remove as soon as quadratic mesh is allowed - BEGIN
2017   // GDD: Viscous layer is not allowed with quadratic mesh
2018   if (_haveViscousLayers && haveQuadraticSubMesh ) {
2019     quadraticSubMeshAndViscousLayer = true;
2020     _haveViscousLayers = !haveQuadraticSubMesh;
2021     _comment += "Warning: Viscous layer is not possible with a quadratic mesh, it is ignored.";
2022     error(COMPERR_WARNING, _comment);
2023   }
2024   // To remove as soon as quadratic mesh is allowed - END
2025
2026   // needed to prevent the opencascade memory managmement from freeing things
2027   vector<Handle(Geom2d_Curve)> curves;
2028   vector<Handle(Geom_Surface)> surfaces;
2029
2030   fmap.Clear();
2031   emap.Clear();
2032   pmap.Clear();
2033   FaceId2PythonSmp.clear();
2034   EdgeId2PythonSmp.clear();
2035   VertexId2PythonSmp.clear();
2036
2037   /****************************************************************************************
2038                                           FACES
2039   *****************************************************************************************/
2040   int iface = 0;
2041   string bad_end = "return";
2042   int faceKey = -1;
2043   TopTools_IndexedMapOfShape _map;
2044   TopExp::MapShapes(aShape,TopAbs_VERTEX,_map);
2045   int ienf = _map.Extent();
2046
2047   assert(Py_IsInitialized());
2048   PyGILState_STATE gstate;
2049
2050   string theSizeMapStr;
2051
2052   for (TopExp_Explorer face_iter(aShape,TopAbs_FACE);face_iter.More();face_iter.Next())
2053   {
2054     TopoDS_Face f = TopoDS::Face(face_iter.Current());
2055
2056     SMESH_subMesh* fSM = aMesh.GetSubMesh( f );
2057     if ( !fSM->IsEmpty() ) continue; // skip already meshed FACE with viscous layers
2058
2059     // make INTERNAL face oriented FORWARD (issue 0020993)
2060     if (f.Orientation() != TopAbs_FORWARD && f.Orientation() != TopAbs_REVERSED )
2061       f.Orientation(TopAbs_FORWARD);
2062
2063     if (fmap.FindIndex(f) > 0)
2064       continue;
2065     iface = fmap.Add(f);
2066 //    std::string aFileName = "fmap_face_";
2067 //    aFileName.append(to_string(iface));
2068 //    aFileName.append(".brep");
2069 //    BRepTools::Write(f,aFileName.c_str());
2070
2071     surfaces.push_back(BRep_Tool::Surface(f));
2072
2073     /* create an object representing the face for cadsurf */
2074     /* where face_id is an integer identifying the face.
2075      * surf_function is the function that defines the surface
2076      * (For this face, it will be called by cadsurf with your_face_object_ptr
2077      * as last parameter.
2078      */
2079     cad_face_t *fce = cad_face_new(c, iface, surf_fun, surfaces.back());
2080
2081     /* by default a face has no tag (color).
2082        The following call sets it to the same value as the face_id : */
2083     cad_face_set_tag(fce, iface);
2084
2085     /* Set face orientation (optional if you want a well oriented output mesh)*/
2086     if(f.Orientation() != TopAbs_FORWARD)
2087       cad_face_set_orientation(fce, CAD_ORIENTATION_REVERSED);
2088     else
2089       cad_face_set_orientation(fce, CAD_ORIENTATION_FORWARD);
2090
2091     if (HasSizeMapOnFace && !use_precad)
2092     {
2093       // -----------------
2094       // Classic size map
2095       // -----------------
2096       faceKey = FacesWithSizeMap.FindIndex(f);
2097
2098
2099       if (FaceId2SizeMap.find(faceKey)!=FaceId2SizeMap.end()) {
2100         MESSAGE("A size map is defined on face :"<<faceKey)
2101           theSizeMapStr = FaceId2SizeMap[faceKey];
2102         // check if function ends with "return"
2103         if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2104           continue;
2105         // Expr To Python function, verification is performed at validation in GUI
2106         gstate = PyGILState_Ensure();
2107         PyObject * obj = NULL;
2108         obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2109         Py_DECREF(obj);
2110         PyObject * func = NULL;
2111         func = PyObject_GetAttrString(main_mod, "f");
2112         FaceId2PythonSmp[iface]=func;
2113         FaceId2SizeMap.erase(faceKey);
2114         PyGILState_Release(gstate);
2115       }
2116
2117       // Specific size map = Attractor
2118       std::map<int,std::vector<double> >::iterator attractor_iter = FaceId2AttractorCoords.begin();
2119
2120       for (; attractor_iter != FaceId2AttractorCoords.end(); ++attractor_iter) {
2121         if (attractor_iter->first == faceKey) {
2122           MESSAGE("Face indice: " << iface);
2123           MESSAGE("Adding attractor");
2124
2125           double xyzCoords[3]  = {attractor_iter->second[2],
2126                                   attractor_iter->second[3],
2127                                   attractor_iter->second[4]};
2128
2129           MESSAGE("Check position of vertex =(" << xyzCoords[0] << "," << xyzCoords[1] << "," << xyzCoords[2] << ")");
2130           gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2131           BRepClass_FaceClassifier scl(f,P,1e-7);
2132           // OCC 6.3sp6 : scl.Perform() is bugged. The function was rewritten
2133           // BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
2134           // OCC 6.5.2: scl.Perform() is not bugged anymore
2135           scl.Perform(f, P, 1e-7);
2136           TopAbs_State result = scl.State();
2137           MESSAGE("Position of point on face: "<<result);
2138           if ( result == TopAbs_OUT )
2139             MESSAGE("Point is out of face: node is not created");
2140           if ( result == TopAbs_UNKNOWN )
2141             MESSAGE("Point position on face is unknown: node is not created");
2142           if ( result == TopAbs_ON )
2143             MESSAGE("Point is on border of face: node is not created");
2144           if ( result == TopAbs_IN )
2145           {
2146             // Point is inside face and not on border
2147             MESSAGE("Point is in face: node is created");
2148             double uvCoords[2] = {attractor_iter->second[0],attractor_iter->second[1]};
2149             ienf++;
2150             MESSAGE("Add cad point on (u,v)=(" << uvCoords[0] << "," << uvCoords[1] << ") with id = " << ienf);
2151             cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2152             cad_point_set_tag(point_p, ienf);
2153           }
2154           FaceId2AttractorCoords.erase(faceKey);
2155         }
2156       }
2157
2158       // -----------------
2159       // Class Attractors
2160       // -----------------
2161       std::map<int,BLSURFPlugin_Attractor* >::iterator clAttractor_iter = FaceId2ClassAttractor.find(faceKey);
2162       if (clAttractor_iter != FaceId2ClassAttractor.end()){
2163         MESSAGE("Face indice: " << iface);
2164         MESSAGE("Adding attractor");
2165         FaceIndex2ClassAttractor[iface]=clAttractor_iter->second;
2166         FaceId2ClassAttractor.erase(clAttractor_iter);
2167       }
2168     } // if (HasSizeMapOnFace && !use_precad)
2169
2170       // ------------------
2171       // Enforced Vertices
2172       // ------------------
2173     faceKey = FacesWithEnforcedVertices.FindIndex(f);
2174     std::map<int,BLSURFPlugin_Hypothesis::TEnfVertexCoordsList >::const_iterator evmIt = FaceId2EnforcedVertexCoords.find(faceKey);
2175     if (evmIt != FaceId2EnforcedVertexCoords.end()) {
2176       MESSAGE("Some enforced vertices are defined");
2177       BLSURFPlugin_Hypothesis::TEnfVertexCoordsList evl;
2178       MESSAGE("Face indice: " << iface);
2179       MESSAGE("Adding enforced vertices");
2180       evl = evmIt->second;
2181       MESSAGE("Number of vertices to add: "<< evl.size());
2182       BLSURFPlugin_Hypothesis::TEnfVertexCoordsList::const_iterator evlIt = evl.begin();
2183       for (; evlIt != evl.end(); ++evlIt) {
2184         BLSURFPlugin_Hypothesis::TEnfVertexCoords xyzCoords;
2185         xyzCoords.push_back(evlIt->at(2));
2186         xyzCoords.push_back(evlIt->at(3));
2187         xyzCoords.push_back(evlIt->at(4));
2188         MESSAGE("Check position of vertex =(" << xyzCoords[0] << "," << xyzCoords[1] << "," << xyzCoords[2] << ")");
2189         gp_Pnt P(xyzCoords[0],xyzCoords[1],xyzCoords[2]);
2190         BRepClass_FaceClassifier scl(f,P,1e-7);
2191         // OCC 6.3sp6 : scl.Perform() is bugged. The function was rewritten
2192         // BRepClass_FaceClassifierPerform(&scl,f,P,1e-7);
2193         // OCC 6.5.2: scl.Perform() is not bugged anymore
2194         scl.Perform(f, P, 1e-7);
2195         TopAbs_State result = scl.State();
2196         MESSAGE("Position of point on face: "<<result);
2197         if ( result == TopAbs_OUT ) {
2198           MESSAGE("Point is out of face: node is not created");
2199           if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2200             EnfVertexCoords2ProjVertex.erase(xyzCoords);
2201             EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2202           }
2203         }
2204         if ( result == TopAbs_UNKNOWN ) {
2205           MESSAGE("Point position on face is unknown: node is not created");
2206           if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2207             EnfVertexCoords2ProjVertex.erase(xyzCoords);
2208             EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2209           }
2210         }
2211         if ( result == TopAbs_ON ) {
2212           MESSAGE("Point is on border of face: node is not created");
2213           if (EnfVertexCoords2ProjVertex.find(xyzCoords) != EnfVertexCoords2ProjVertex.end()) {
2214             EnfVertexCoords2ProjVertex.erase(xyzCoords);
2215             EnfVertexCoords2EnfVertexList.erase(xyzCoords);
2216           }
2217         }
2218         if ( result == TopAbs_IN )
2219         {
2220           // Point is inside face and not on border
2221           MESSAGE("Point is in face: node is created");
2222           double uvCoords[2]   = {evlIt->at(0),evlIt->at(1)};
2223           ienf++;
2224           MESSAGE("Add cad point on (u,v)=(" << uvCoords[0] << "," << uvCoords[1] << ") with id = " << ienf);
2225           cad_point_t* point_p = cad_point_new(fce, ienf, uvCoords);
2226           int tag = 0;
2227           std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(xyzCoords);
2228           if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end() &&
2229               !enfCoordsIt->second.empty() )
2230           {
2231             // to merge nodes of an INTERNAL vertex belonging to several faces
2232             TopoDS_Vertex     v = (*enfCoordsIt->second.begin())->vertex;
2233             if ( v.IsNull() ) v = (*enfCoordsIt->second.rbegin())->vertex;
2234             if ( !v.IsNull() ) {
2235               tag = pmap.Add( v );
2236               SMESH_subMesh* vSM = aMesh.GetSubMesh( v );
2237               vSM->ComputeStateEngine( SMESH_subMesh::COMPUTE );
2238               mergeSubmeshes.insert( vSM->GetSubMeshDS() );
2239               // //if ( tag != pmap.Extent() )
2240               // needMerge = true;
2241             }
2242           }
2243           if ( tag == 0 ) tag = ienf;
2244           cad_point_set_tag(point_p, tag);
2245         }
2246       }
2247       FaceId2EnforcedVertexCoords.erase(faceKey);
2248
2249     }
2250
2251     /****************************************************************************************
2252                                            EDGES
2253                         now create the edges associated to this face
2254     *****************************************************************************************/
2255     int edgeKey = -1;
2256     for (TopExp_Explorer edge_iter(f,TopAbs_EDGE);edge_iter.More();edge_iter.Next())
2257     {
2258       TopoDS_Edge e = TopoDS::Edge(edge_iter.Current());
2259       int ic = emap.FindIndex(e);
2260       if (ic <= 0)
2261         ic = emap.Add(e);
2262
2263 //      std::string aFileName = "fmap_edge_";
2264 //      aFileName.append(to_string(ic));
2265 //      aFileName.append(".brep");
2266 //      BRepTools::Write(e,aFileName.c_str());
2267
2268       double tmin,tmax;
2269       curves.push_back(BRep_Tool::CurveOnSurface(e, f, tmin, tmax));
2270
2271       if (HasSizeMapOnEdge){
2272         edgeKey = EdgesWithSizeMap.FindIndex(e);
2273         if (EdgeId2SizeMap.find(edgeKey)!=EdgeId2SizeMap.end()) {
2274           MESSAGE("Sizemap defined on edge with index " << edgeKey);
2275           theSizeMapStr = EdgeId2SizeMap[edgeKey];
2276           if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2277             continue;
2278           // Expr To Python function, verification is performed at validation in GUI
2279           gstate = PyGILState_Ensure();
2280           PyObject * obj = NULL;
2281           obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2282           Py_DECREF(obj);
2283           PyObject * func = NULL;
2284           func = PyObject_GetAttrString(main_mod, "f");
2285           EdgeId2PythonSmp[ic]=func;
2286           EdgeId2SizeMap.erase(edgeKey);
2287           PyGILState_Release(gstate);
2288         }
2289       }
2290       /* data of nodes existing on the edge */
2291       StdMeshers_FaceSidePtr nodeData;
2292       SMESH_subMesh* sm = aMesh.GetSubMesh( e );
2293       if ( !sm->IsEmpty() )
2294       {
2295         // SMESH_subMeshIteratorPtr subsmIt = sm->getDependsOnIterator( /*includeSelf=*/true,
2296         //                                                              /*complexFirst=*/false);
2297         // while ( subsmIt->more() )
2298         //   edgeSubmeshes.insert( subsmIt->next()->GetSubMeshDS() );
2299         edgeSubmeshes.insert( sm->GetSubMeshDS() );
2300
2301         nodeData.reset( new StdMeshers_FaceSide( f, e, &aMesh, /*isForwrd = */true,
2302                                                  /*ignoreMedium=*/haveQuadraticSubMesh));
2303         if ( nodeData->MissVertexNode() )
2304           return error(COMPERR_BAD_INPUT_MESH,"No node on vertex");
2305
2306         const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2307         if ( !nodeDataVec.empty() )
2308         {
2309           if ( Abs( nodeDataVec[0].param - tmin ) > Abs( nodeDataVec.back().param - tmin ))
2310           {
2311             nodeData->Reverse();
2312             nodeData->GetUVPtStruct(); // nodeData recomputes nodeDataVec
2313           }
2314           // tmin and tmax can change in case of viscous layer on an adjacent edge
2315           tmin = nodeDataVec.front().param;
2316           tmax = nodeDataVec.back().param;
2317         }
2318         else
2319         {
2320           cout << "---------------- Invalid nodeData" << endl;
2321           nodeData.reset();
2322         }
2323       }
2324
2325       /* attach the edge to the current cadsurf face */
2326       cad_edge_t *edg = cad_edge_new(fce, ic, tmin, tmax, curv_fun, curves.back());
2327
2328       /* by default an edge has no tag (color).
2329          The following call sets it to the same value as the edge_id : */
2330       cad_edge_set_tag(edg, ic);
2331
2332       /* by default, an edge does not necessalry appear in the resulting mesh,
2333          unless the following property is set :
2334       */
2335       cad_edge_set_property(edg, EDGE_PROPERTY_SOFT_REQUIRED);
2336
2337       /* by default an edge is a boundary edge */
2338       if (e.Orientation() == TopAbs_INTERNAL)
2339         cad_edge_set_property(edg, EDGE_PROPERTY_INTERNAL);
2340
2341       // pass existing nodes of sub-meshes to BLSURF
2342       if ( nodeData )
2343       {
2344         const std::vector<UVPtStruct>& nodeDataVec = nodeData->GetUVPtStruct();
2345         const int                      nbNodes     = nodeDataVec.size();
2346
2347         dcad_edge_discretization_t *dedge;
2348         dcad_get_edge_discretization(dcad, edg, &dedge);
2349         dcad_edge_discretization_set_vertex_count( dedge, nbNodes );
2350
2351         // cout << endl << " EDGE " << ic << endl;
2352         // cout << "tmin = "<<tmin << ", tmax = "<< tmax << endl;
2353         for ( int iN = 0; iN < nbNodes; ++iN )
2354         {
2355           const UVPtStruct& nData = nodeDataVec[ iN ];
2356           double t                = nData.param;
2357           real uv[2]              = { nData.u, nData.v };
2358           SMESH_TNodeXYZ nXYZ( nData.node );
2359           // cout << "\tt = " << t
2360           //      << "\t uv = ( " << uv[0] << ","<< uv[1] << " ) "
2361           //      << "\t u = " << nData.param
2362           //      << "\t ID = " << nData.node->GetID() << endl;
2363           dcad_edge_discretization_set_vertex_coordinates( dedge, iN+1, t, uv, nXYZ._xyz );
2364         }
2365         dcad_edge_discretization_set_property(dedge, DISTENE_DCAD_PROPERTY_REQUIRED);
2366       }
2367
2368       /****************************************************************************************
2369                                       VERTICES
2370       *****************************************************************************************/
2371
2372       int npts = 0;
2373       int ip1, ip2, *ip;
2374       gp_Pnt2d e0 = curves.back()->Value(tmin);
2375       gp_Pnt ee0 = surfaces.back()->Value(e0.X(), e0.Y());
2376       Standard_Real d1=0,d2=0;
2377
2378       int vertexKey = -1;
2379       for (TopExp_Explorer ex_edge(e ,TopAbs_VERTEX); ex_edge.More(); ex_edge.Next()) {
2380         TopoDS_Vertex v = TopoDS::Vertex(ex_edge.Current());
2381         ++npts;
2382         if (npts == 1){
2383           ip = &ip1;
2384           d1 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2385         } else {
2386           ip = &ip2;
2387           d2 = ee0.SquareDistance(BRep_Tool::Pnt(v));
2388         }
2389         *ip = pmap.FindIndex(v);
2390         if(*ip <= 0) {
2391           *ip = pmap.Add(v);
2392           // SMESH_subMesh* sm = aMesh.GetSubMesh(v);
2393           // if ( sm->IsMeshComputed() )
2394           //   edgeSubmeshes.insert( sm->GetSubMeshDS() );
2395         }
2396
2397 //        std::string aFileName = "fmap_vertex_";
2398 //        aFileName.append(to_string(*ip));
2399 //        aFileName.append(".brep");
2400 //        BRepTools::Write(v,aFileName.c_str());
2401
2402         if (HasSizeMapOnVertex){
2403           vertexKey = VerticesWithSizeMap.FindIndex(v);
2404           if (VertexId2SizeMap.find(vertexKey)!=VertexId2SizeMap.end()){
2405             theSizeMapStr = VertexId2SizeMap[vertexKey];
2406             //MESSAGE("VertexId2SizeMap[faceKey]: " << VertexId2SizeMap[vertexKey]);
2407             if (theSizeMapStr.find(bad_end) == (theSizeMapStr.size()-bad_end.size()-1))
2408               continue;
2409             // Expr To Python function, verification is performed at validation in GUI
2410             PyObject * obj = NULL;
2411             obj= PyRun_String(theSizeMapStr.c_str(), Py_file_input, main_dict, NULL);
2412             Py_DECREF(obj);
2413             PyObject * func = NULL;
2414             func = PyObject_GetAttrString(main_mod, "f");
2415             VertexId2PythonSmp[*ip]=func;
2416             VertexId2SizeMap.erase(vertexKey);   // do not erase if using a vector
2417           }
2418         }
2419       }
2420       if (npts != 2) {
2421         // should not happen
2422         MESSAGE("An edge does not have 2 extremities.");
2423       } else {
2424         if (d1 < d2) {
2425           // This defines the curves extremity connectivity
2426           cad_edge_set_extremities(edg, ip1, ip2);
2427           /* set the tag (color) to the same value as the extremity id : */
2428           cad_edge_set_extremities_tag(edg, ip1, ip2);
2429         }
2430         else {
2431           cad_edge_set_extremities(edg, ip2, ip1);
2432           cad_edge_set_extremities_tag(edg, ip2, ip1);
2433         }
2434       }
2435     } // for edge
2436   } //for face
2437
2438   // Clear mesh from already meshed edges if possible else
2439   // remember that merge is needed
2440   TSubMeshSet::iterator smIt = edgeSubmeshes.begin();
2441   for ( ; smIt != edgeSubmeshes.end(); ++smIt ) // loop on already meshed EDGEs
2442   {
2443     SMESHDS_SubMesh* smDS = *smIt;
2444     if ( !smDS ) continue;
2445     SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2446     if ( nIt->more() )
2447     {
2448       const SMDS_MeshNode* n = nIt->next();
2449       if ( n->NbInverseElements( SMDSAbs_Face ) > 0 )
2450       {
2451         needMerge = true; // to correctly sew with viscous mesh
2452         // add existing medium nodes to helper
2453         if ( aMesh.NbEdges( ORDER_QUADRATIC ) > 0 )
2454         {
2455           SMDS_ElemIteratorPtr edgeIt = smDS->GetElements();
2456           while ( edgeIt->more() )
2457             helper.AddTLinks( static_cast<const SMDS_MeshEdge*>(edgeIt->next()));
2458         }
2459         continue;
2460       }
2461     }
2462     if ( allowSubMeshClearing )
2463     {
2464       SMDS_ElemIteratorPtr eIt = smDS->GetElements();
2465       while ( eIt->more() ) meshDS->RemoveFreeElement( eIt->next(), 0 );
2466       SMDS_NodeIteratorPtr nIt = smDS->GetNodes();
2467       while ( nIt->more() ) meshDS->RemoveFreeNode( nIt->next(), 0 );
2468       smDS->Clear();
2469     }
2470     else
2471     {
2472       needMerge = true;
2473     }
2474   }
2475
2476   ///////////////////////
2477   // PERIODICITY       //
2478   ///////////////////////
2479
2480   MESSAGE("BEFORE PERIODICITY");
2481   MESSAGE("_preCadFacesIDsPeriodicityVector.size() = " << _preCadFacesIDsPeriodicityVector.size());
2482   if (! _preCadFacesIDsPeriodicityVector.empty()){
2483     MESSAGE("INTO PRECAD FACES PERIODICITY");
2484     for (std::size_t i=0; i < _preCadFacesIDsPeriodicityVector.size(); i++){
2485       std::vector<int> theFace1_ids = _preCadFacesIDsPeriodicityVector[i].shape1IDs;
2486       std::vector<int> theFace2_ids = _preCadFacesIDsPeriodicityVector[i].shape2IDs;
2487       int* theFace1_ids_c = &theFace1_ids[0];
2488       int* theFace2_ids_c = &theFace2_ids[0];
2489       std::ostringstream o;
2490       o << "_preCadFacesIDsPeriodicityVector[" << i << "] = [";
2491       for (std::size_t j=0; j < theFace1_ids.size(); j++)
2492         o << theFace1_ids[j] << ", ";
2493       o << "], [";
2494       for (std::size_t j=0; j < theFace2_ids.size(); j++)
2495         o << theFace2_ids[j] << ", ";
2496       o << "]";
2497       MESSAGE(o.str());
2498       MESSAGE("theFace1_ids.size(): " << theFace1_ids.size());
2499       MESSAGE("theFace2_ids.size(): " << theFace2_ids.size());
2500       if (_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2501         {
2502           // If no source points, call peridoicity without transformation function
2503           MESSAGE("periodicity without transformation function");
2504           meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2505           status = cad_add_face_multiple_periodicity_with_transformation_function(c, theFace1_ids_c, theFace1_ids.size(),
2506               theFace2_ids_c, theFace2_ids.size(), periodicity_transformation, NULL);
2507           if(status != STATUS_OK)
2508             cout << "cad_add_face_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2509         }
2510       else
2511         {
2512           // get the transformation vertices
2513           MESSAGE("periodicity with transformation vertices");
2514           double* theSourceVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2515           double* theTargetVerticesCoords_c = &_preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2516           int nbSourceVertices = _preCadFacesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2517           int nbTargetVertices = _preCadFacesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2518
2519           MESSAGE("nbSourceVertices: " << nbSourceVertices << ", nbTargetVertices: " << nbTargetVertices);
2520
2521           status = cad_add_face_multiple_periodicity_with_transformation_function_by_points(c, theFace1_ids_c, theFace1_ids.size(),
2522               theFace2_ids_c, theFace2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2523           if(status != STATUS_OK)
2524             cout << "cad_add_face_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2525         }
2526     }
2527
2528     MESSAGE("END PRECAD FACES PERIODICITY");
2529   }
2530
2531   MESSAGE("_preCadEdgesIDsPeriodicityVector.size() = " << _preCadEdgesIDsPeriodicityVector.size());
2532   if (! _preCadEdgesIDsPeriodicityVector.empty()){
2533     MESSAGE("INTO PRECAD EDGES PERIODICITY");
2534     for (std::size_t i=0; i < _preCadEdgesIDsPeriodicityVector.size(); i++){
2535       std::vector<int> theEdge1_ids = _preCadEdgesIDsPeriodicityVector[i].shape1IDs;
2536       std::vector<int> theEdge2_ids = _preCadEdgesIDsPeriodicityVector[i].shape2IDs;
2537       // Use the address of the first element of the vector to initialise the array
2538       int* theEdge1_ids_c = &theEdge1_ids[0];
2539       int* theEdge2_ids_c = &theEdge2_ids[0];
2540
2541       std::ostringstream o;
2542       o << "_preCadEdgesIDsPeriodicityVector[" << i << "] = [";
2543       for (std::size_t j=0; j < theEdge1_ids.size(); j++)
2544         o << theEdge1_ids[j] << ", ";
2545       o << "], [";
2546       for (std::size_t j=0; j < theEdge2_ids.size(); j++)
2547         o << theEdge2_ids[j] << ", ";
2548       o << "]";
2549       MESSAGE(o.str());
2550       MESSAGE("theEdge1_ids.size(): " << theEdge1_ids.size());
2551       MESSAGE("theEdge2_ids.size(): " << theEdge2_ids.size());
2552
2553       if (_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.empty())
2554         {
2555           // If no source points, call peridoicity without transformation function
2556           MESSAGE("periodicity without transformation function");
2557           meshgems_cad_periodicity_transformation_t periodicity_transformation = NULL;
2558           status = cad_add_edge_multiple_periodicity_with_transformation_function(c, theEdge1_ids_c, theEdge1_ids.size(),
2559               theEdge2_ids_c, theEdge2_ids.size(), periodicity_transformation, NULL);
2560           if(status != STATUS_OK)
2561             cout << "cad_add_edge_multiple_periodicity_with_transformation_function failed with error code " << status << "\n";
2562         }
2563       else
2564         {
2565           // get the transformation vertices
2566           MESSAGE("periodicity with transformation vertices");
2567           double* theSourceVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords[0];
2568           double* theTargetVerticesCoords_c = &_preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords[0];
2569           int nbSourceVertices = _preCadEdgesIDsPeriodicityVector[i].theSourceVerticesCoords.size()/3;
2570           int nbTargetVertices = _preCadEdgesIDsPeriodicityVector[i].theTargetVerticesCoords.size()/3;
2571
2572           MESSAGE("nbSourceVertices: " << nbSourceVertices << ", nbTargetVertices: " << nbTargetVertices);
2573
2574           status = cad_add_edge_multiple_periodicity_with_transformation_function_by_points(c, theEdge1_ids_c, theEdge1_ids.size(),
2575               theEdge2_ids_c, theEdge2_ids.size(), theSourceVerticesCoords_c, nbSourceVertices, theTargetVerticesCoords_c, nbTargetVertices);
2576           if(status != STATUS_OK)
2577             cout << "cad_add_edge_multiple_periodicity_with_transformation_function_by_points failed with error code " << status << "\n";
2578           else
2579             MESSAGE("cad_add_edge_multiple_periodicity_with_transformation_function_by_points succeeded.\n");
2580         }
2581     }
2582
2583     MESSAGE("END PRECAD EDGES PERIODICITY");
2584   }
2585
2586   if (! _facesIDsPeriodicityVector.empty()){
2587     MESSAGE("INTO FACE PERIODICITY");
2588     for (std::size_t i=0; i < _facesIDsPeriodicityVector.size(); i++){
2589       int theFace1 = _facesIDsPeriodicityVector[i].first;
2590       int theFace2 = _facesIDsPeriodicityVector[i].second;
2591       MESSAGE("_facesIDsPeriodicityVector[" << i << "] = (" << theFace1 << ", " << theFace2 << ")");
2592       status = cad_add_face_periodicity(c, theFace1, theFace2);
2593       if(status != STATUS_OK){
2594         cout << "cad_add_face_periodicity failed with error code " << status << "\n";
2595       }
2596     }
2597     MESSAGE("END FACE PERIODICITY");
2598   }
2599
2600
2601   if (! _edgesIDsPeriodicityVector.empty()){
2602     MESSAGE("INTO EDGE PERIODICITY");
2603     for (std::size_t i=0; i < _edgesIDsPeriodicityVector.size(); i++){
2604       int theFace1 = _edgesIDsPeriodicityVector[i].theFace1ID;
2605       int theEdge1 = _edgesIDsPeriodicityVector[i].theEdge1ID;
2606       int theFace2 = _edgesIDsPeriodicityVector[i].theFace2ID;
2607       int theEdge2 = _edgesIDsPeriodicityVector[i].theEdge2ID;
2608       int edge_orientation = _edgesIDsPeriodicityVector[i].edge_orientation;
2609       MESSAGE("_edgesIDsPeriodicityVector[" << i << "] = (" << theFace1 << ", " << theEdge1 << ", " << theFace2 << ", " << theEdge2 << ", " << edge_orientation << ")");
2610       status = cad_add_edge_periodicity(c, theFace1, theEdge1, theFace2, theEdge2, edge_orientation);
2611       if(status != STATUS_OK){
2612         cout << "cad_add_edge_periodicity failed with error code " << status << "\n";
2613       }
2614     }
2615     MESSAGE("END EDGE PERIODICITY");
2616   }
2617
2618   if (! _verticesIDsPeriodicityVector.empty()){
2619     MESSAGE("INTO VERTEX PERIODICITY");
2620     for (std::size_t i=0; i < _verticesIDsPeriodicityVector.size(); i++){
2621       int theEdge1 = _verticesIDsPeriodicityVector[i].theEdge1ID;
2622       int theVertex1 = _verticesIDsPeriodicityVector[i].theVertex1ID;
2623       int theEdge2 = _verticesIDsPeriodicityVector[i].theEdge2ID;
2624       int theVertex2 = _verticesIDsPeriodicityVector[i].theVertex2ID;
2625       MESSAGE("_verticesIDsPeriodicityVector[" << i << "] = (" << theEdge1 << ", " << theVertex1 << ", " << theEdge2 << ", " << theVertex2 << ")");
2626       status = cad_add_point_periodicity(c, theEdge1, theVertex1, theEdge2, theVertex2);
2627       if(status != STATUS_OK){
2628         cout << "cad_add_vertex_periodicity failed with error code " << status << "\n";
2629       }
2630     }
2631     MESSAGE("END VERTEX PERIODICITY");
2632   }
2633
2634     ////
2635
2636   if (use_precad) {
2637     MESSAGE("use_precad");
2638     /* Now launch the PreCAD process */
2639     status = precad_process(pcs);
2640     if(status != STATUS_OK){
2641       // TODO: raise an error if status < 0.
2642       cout << "================ WARNING =================== \n";
2643       stringstream msg;
2644       msg << "PreCAD processing failed with error code " << status << "\n";
2645       msg << *mcud._error;
2646       cout << msg.str();
2647       cout << "============================================ \n";
2648       // the text of _comment is set in message_cb by mcud->_error
2649       // => No need to append msg to _comment
2650       if (status > 0)
2651         {
2652           // TODO: fix the SIGSEGV of COMPERR_WARNING with 2 launches
2653           error(COMPERR_WARNING, _comment);
2654         }
2655       if (status < 0)
2656         {
2657           error(_comment);
2658         }
2659     }
2660     else {
2661       // retrieve the pre-processed CAD object
2662
2663       // dcad
2664       cleandc = precad_new_dcad(pcs);
2665       if(!cleandc){
2666         cout << "Unable to retrieve PreCAD result on dcad \n";
2667       }
2668       else
2669         cout << "PreCAD processing successfull on dcad \n";
2670
2671       // cad
2672       cleanc = precad_new_cad(pcs);
2673       if(!cleanc){
2674         cout << "Unable to retrieve PreCAD result on cad \n";
2675       }
2676       else
2677         cout << "PreCAD processing successfull on cad \n";
2678
2679       // #if BLSURF_VERSION_LONG >= "3.1.1"
2680       //       /* We can now get the updated sizemaps (if any) */
2681       // //       if(geo_sizemap_e)
2682       // //         clean_geo_sizemap_e = precad_new_sizemap(pcs, geo_sizemap_e);
2683       // //
2684       // //       if(geo_sizemap_f)
2685       // //         clean_geo_sizemap_f = precad_new_sizemap(pcs, geo_sizemap_f);
2686       //
2687       //       if(iso_sizemap_p)
2688       //         clean_iso_sizemap_p = precad_new_sizemap(pcs, iso_sizemap_p);
2689       //
2690       //       if(iso_sizemap_e)
2691       //         clean_iso_sizemap_e = precad_new_sizemap(pcs, iso_sizemap_e);
2692       //
2693       //       if(iso_sizemap_f)
2694       //         clean_iso_sizemap_f = precad_new_sizemap(pcs, iso_sizemap_f);
2695       // #endif
2696     }
2697     // Now we can delete the PreCAD session
2698     precad_session_delete(pcs);
2699   }
2700
2701   if (cleandc) {
2702     cout << "Give the pre-processed dcad object to the current BLSurf session \n";
2703     cadsurf_data_set_dcad(css, cleandc);
2704   }
2705   else {
2706     // Use the original one
2707     cadsurf_data_set_dcad(css, dcad);
2708   }
2709
2710   if (cleanc) {
2711     // Give the pre-processed CAD object to the current BLSurf session
2712     cout << "Give the pre-processed CAD object to the current BLSurf session \n";
2713     cadsurf_data_set_cad(css, cleanc);
2714   }
2715   else {
2716     // Use the original one
2717     cadsurf_data_set_cad(css, c);
2718   }
2719
2720   std::cout << std::endl;
2721   std::cout << "Beginning of Surface Mesh generation" << std::endl;
2722   std::cout << std::endl;
2723
2724   try {
2725     OCC_CATCH_SIGNALS;
2726
2727     status = cadsurf_compute_mesh(css);
2728
2729   }
2730   catch ( std::exception& exc ) {
2731     _comment += exc.what();
2732   }
2733   catch (Standard_Failure& ex) {
2734     _comment += ex.DynamicType()->Name();
2735     if ( ex.GetMessageString() && strlen( ex.GetMessageString() )) {
2736       _comment += ": ";
2737       _comment += ex.GetMessageString();
2738     }
2739   }
2740   catch (...) {
2741     if ( _comment.empty() )
2742       _comment = "Exception in cadsurf_compute_mesh()";
2743   }
2744   if ( status != STATUS_OK) {
2745     // There was an error while meshing
2746     error(_comment);
2747   }
2748
2749   std::cout << std::endl;
2750   std::cout << "End of Surface Mesh generation" << std::endl;
2751   std::cout << std::endl;
2752
2753   mesh_t *msh = NULL;
2754   cadsurf_data_get_mesh(css, &msh);
2755   if(!msh){
2756     /* release the mesh object */
2757     cadsurf_data_regain_mesh(css, msh);
2758     return error(_comment);
2759   }
2760
2761   std::string GMFFileName = BLSURFPlugin_Hypothesis::GetDefaultGMFFile();
2762   if (_hypothesis)
2763     GMFFileName = _hypothesis->GetGMFFile();
2764   if (GMFFileName != "") {
2765     //     bool GMFFileMode = _hypothesis->GetGMFFileMode();
2766     bool asciiFound = (GMFFileName.find(".mesh",GMFFileName.length()-5) != std::string::npos);
2767     bool binaryFound = (GMFFileName.find(".meshb",GMFFileName.length()-6) != std::string::npos);
2768     if (!asciiFound && !binaryFound)
2769       GMFFileName.append(".mesh");
2770     mesh_write_mesh(msh, GMFFileName.c_str());
2771   }
2772
2773   /* retrieve mesh data (see meshgems/mesh.h) */
2774   integer nv, ne, nt, nq, vtx[4], tag, nb_tag;
2775   integer *evedg, *evtri, *evquad, *tags_buff, type;
2776   real xyz[3];
2777
2778   mesh_get_vertex_count(msh, &nv);
2779   mesh_get_edge_count(msh, &ne);
2780   mesh_get_triangle_count(msh, &nt);
2781   mesh_get_quadrangle_count(msh, &nq);
2782
2783   evedg  = (integer *)mesh_calloc_generic_buffer(msh);
2784   evtri  = (integer *)mesh_calloc_generic_buffer(msh);
2785   evquad = (integer *)mesh_calloc_generic_buffer(msh);
2786   tags_buff = (integer*)mesh_calloc_generic_buffer(msh);
2787
2788   std::vector<const SMDS_MeshNode*> nodes(nv+1);
2789   std::vector<bool>                  tags(nv+1);
2790
2791   /* enumerated vertices */
2792   for(int iv=1;iv<=nv;iv++) {
2793     mesh_get_vertex_coordinates(msh, iv, xyz);
2794     mesh_get_vertex_tag(msh, iv, &tag);
2795     // Issue 0020656. Use vertex coordinates
2796     nodes[iv] = NULL;
2797     if ( tag > 0 && tag <= pmap.Extent() ) {
2798       TopoDS_Vertex v = TopoDS::Vertex(pmap(tag));
2799       double tol = BRep_Tool::Tolerance( v );
2800       gp_Pnt p = BRep_Tool::Pnt( v );
2801       if ( p.IsEqual( gp_Pnt( xyz[0], xyz[1], xyz[2]), 2*tol))
2802         xyz[0] = p.X(), xyz[1] = p.Y(), xyz[2] = p.Z();
2803       else
2804         tag = 0; // enforced or attracted vertex
2805       nodes[iv] = SMESH_Algo::VertexNode( v, meshDS );
2806     }
2807     if ( !nodes[iv] )
2808       nodes[iv] = meshDS->AddNode(xyz[0], xyz[1], xyz[2]);
2809
2810     // Create group of enforced vertices if requested
2811     BLSURFPlugin_Hypothesis::TEnfVertexCoords projVertex;
2812     projVertex.clear();
2813     projVertex.push_back((double)xyz[0]);
2814     projVertex.push_back((double)xyz[1]);
2815     projVertex.push_back((double)xyz[2]);
2816     std::map< BLSURFPlugin_Hypothesis::TEnfVertexCoords, BLSURFPlugin_Hypothesis::TEnfVertexList >::const_iterator enfCoordsIt = EnfVertexCoords2EnfVertexList.find(projVertex);
2817     if (enfCoordsIt != EnfVertexCoords2EnfVertexList.end()) {
2818       MESSAGE("Found enforced vertex @ " << xyz[0] << ", " << xyz[1] << ", " << xyz[2]);
2819       BLSURFPlugin_Hypothesis::TEnfVertexList::const_iterator enfListIt = enfCoordsIt->second.begin();
2820       BLSURFPlugin_Hypothesis::TEnfVertex *currentEnfVertex;
2821       for (; enfListIt != enfCoordsIt->second.end(); ++enfListIt) {
2822         currentEnfVertex = (*enfListIt);
2823         if (currentEnfVertex->grpName != "") {
2824           bool groupDone = false;
2825           SMESH_Mesh::GroupIteratorPtr grIt = aMesh.GetGroups();
2826           MESSAGE("currentEnfVertex->grpName: " << currentEnfVertex->grpName);
2827           MESSAGE("Parsing the groups of the mesh");
2828           while (grIt->more()) {
2829             SMESH_Group * group = grIt->next();
2830             if ( !group ) continue;
2831             MESSAGE("Group: " << group->GetName());
2832             SMESHDS_GroupBase* groupDS = group->GetGroupDS();
2833             if ( !groupDS ) continue;
2834             MESSAGE("group->SMDSGroup().GetType(): " << (groupDS->GetType()));
2835             MESSAGE("group->SMDSGroup().GetType()==SMDSAbs_Node: " << (groupDS->GetType()==SMDSAbs_Node));
2836             MESSAGE("currentEnfVertex->grpName.compare(group->GetStoreName())==0: " << (currentEnfVertex->grpName.compare(group->GetName())==0));
2837             if ( groupDS->GetType()==SMDSAbs_Node && currentEnfVertex->grpName.compare(group->GetName())==0) {
2838               SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( groupDS );
2839               aGroupDS->SMDSGroup().Add(nodes[iv]);
2840               MESSAGE("Node ID: " << nodes[iv]->GetID());
2841               // How can I inform the hypothesis ?
2842               //                 _hypothesis->AddEnfVertexNodeID(currentEnfVertex->grpName,nodes[iv]->GetID());
2843               groupDone = true;
2844               MESSAGE("Successfully added enforced vertex to existing group " << currentEnfVertex->grpName);
2845               break;
2846             }
2847           }
2848           if (!groupDone)
2849           {
2850             int groupId;
2851             SMESH_Group* aGroup = aMesh.AddGroup(SMDSAbs_Node, currentEnfVertex->grpName.c_str(), groupId);
2852             aGroup->SetName( currentEnfVertex->grpName.c_str() );
2853             SMESHDS_Group* aGroupDS = static_cast<SMESHDS_Group*>( aGroup->GetGroupDS() );
2854             aGroupDS->SMDSGroup().Add(nodes[iv]);
2855             MESSAGE("Successfully created enforced vertex group " << currentEnfVertex->grpName);
2856             groupDone = true;
2857           }
2858           if (!groupDone)
2859             throw SALOME_Exception(LOCALIZED("An enforced vertex node was not added to a group"));
2860         }
2861         else
2862           MESSAGE("Group name is empty: '"<<currentEnfVertex->grpName<<"' => group is not created");
2863       }
2864     }
2865
2866     // internal points are tagged to zero
2867     if(tag > 0 && tag <= pmap.Extent() ){
2868       meshDS->SetNodeOnVertex(nodes[iv], TopoDS::Vertex(pmap(tag)));
2869       tags[iv] = false;
2870     } else {
2871       tags[iv] = true;
2872     }
2873   }
2874
2875   /* enumerate edges */
2876   for(int it=1;it<=ne;it++) {
2877     SMDS_MeshEdge* edg;
2878     mesh_get_edge_vertices(msh, it, vtx);
2879     mesh_get_edge_extra_vertices(msh, it, &type, evedg);
2880     mesh_get_edge_tag(msh, it, &tag);
2881
2882     // If PreCAD performed some cleaning operations (remove tiny edges,
2883     // merge edges ...) an output tag can indeed represent several original tags.
2884     // Get the initial tags corresponding to the output tag and redefine the tag as
2885     // the last of the two initial tags (else the output tag is out of emap and hasn't any meaning)
2886     mesh_get_composite_tag_definition(msh, tag, &nb_tag, tags_buff);
2887     if(nb_tag > 1)
2888       tag=tags_buff[nb_tag-1];
2889
2890     if (tags[vtx[0]]) {
2891       Set_NodeOnEdge(meshDS, nodes[vtx[0]], emap(tag));
2892       tags[vtx[0]] = false;
2893     };
2894     if (tags[vtx[1]]) {
2895       Set_NodeOnEdge(meshDS, nodes[vtx[1]], emap(tag));
2896       tags[vtx[1]] = false;
2897     };
2898     if (type == MESHGEMS_MESH_ELEMENT_TYPE_EDGE3) {
2899       // QUADRATIC EDGE
2900       if (tags[evedg[0]]) {
2901         Set_NodeOnEdge(meshDS, nodes[evedg[0]], emap(tag));
2902         tags[evedg[0]] = false;
2903       }
2904       edg = meshDS->AddEdge(nodes[vtx[0]], nodes[vtx[1]], nodes[evedg[0]]);
2905     }
2906     else {
2907       edg = helper.AddEdge(nodes[vtx[0]], nodes[vtx[1]]);
2908     }
2909     meshDS->SetMeshElementOnShape(edg, TopoDS::Edge(emap(tag)));
2910   }
2911
2912   /* enumerate triangles */
2913   for(int it=1;it<=nt;it++) {
2914     SMDS_MeshFace* tri;
2915     mesh_get_triangle_vertices(msh, it, vtx);
2916     mesh_get_triangle_extra_vertices(msh, it, &type, evtri);
2917     mesh_get_triangle_tag(msh, it, &tag);
2918     if (tags[vtx[0]]) {
2919       meshDS->SetNodeOnFace(nodes[vtx[0]], TopoDS::Face(fmap(tag)));
2920       tags[vtx[0]] = false;
2921     };
2922     if (tags[vtx[1]]) {
2923       meshDS->SetNodeOnFace(nodes[vtx[1]], TopoDS::Face(fmap(tag)));
2924       tags[vtx[1]] = false;
2925     };
2926     if (tags[vtx[2]]) {
2927       meshDS->SetNodeOnFace(nodes[vtx[2]], TopoDS::Face(fmap(tag)));
2928       tags[vtx[2]] = false;
2929     };
2930     if (type == MESHGEMS_MESH_ELEMENT_TYPE_TRIA6) {
2931       // QUADRATIC TRIANGLE
2932       if (tags[evtri[0]]) {
2933         meshDS->SetNodeOnFace(nodes[evtri[0]], TopoDS::Face(fmap(tag)));
2934         tags[evtri[0]] = false;
2935       }
2936       if (tags[evtri[1]]) {
2937         meshDS->SetNodeOnFace(nodes[evtri[1]], TopoDS::Face(fmap(tag)));
2938         tags[evtri[1]] = false;
2939       }
2940       if (tags[evtri[2]]) {
2941         meshDS->SetNodeOnFace(nodes[evtri[2]], TopoDS::Face(fmap(tag)));
2942         tags[evtri[2]] = false;
2943       }
2944       tri = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]],
2945                             nodes[evtri[0]], nodes[evtri[1]], nodes[evtri[2]]);
2946     }
2947     else {
2948       tri = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]]);
2949     }
2950     meshDS->SetMeshElementOnShape(tri, TopoDS::Face(fmap(tag)));
2951   }
2952
2953   /* enumerate quadrangles */
2954   for(int it=1;it<=nq;it++) {
2955     SMDS_MeshFace* quad;
2956     mesh_get_quadrangle_vertices(msh, it, vtx);
2957     mesh_get_quadrangle_extra_vertices(msh, it, &type, evquad);
2958     mesh_get_quadrangle_tag(msh, it, &tag);
2959     if (tags[vtx[0]]) {
2960       meshDS->SetNodeOnFace(nodes[vtx[0]], TopoDS::Face(fmap(tag)));
2961       tags[vtx[0]] = false;
2962     };
2963     if (tags[vtx[1]]) {
2964       meshDS->SetNodeOnFace(nodes[vtx[1]], TopoDS::Face(fmap(tag)));
2965       tags[vtx[1]] = false;
2966     };
2967     if (tags[vtx[2]]) {
2968       meshDS->SetNodeOnFace(nodes[vtx[2]], TopoDS::Face(fmap(tag)));
2969       tags[vtx[2]] = false;
2970     };
2971     if (tags[vtx[3]]) {
2972       meshDS->SetNodeOnFace(nodes[vtx[3]], TopoDS::Face(fmap(tag)));
2973       tags[vtx[3]] = false;
2974     };
2975     if (type == MESHGEMS_MESH_ELEMENT_TYPE_QUAD9) {
2976       // QUADRATIC QUADRANGLE
2977       std::cout << "This is a quadratic quadrangle" << std::endl;
2978       if (tags[evquad[0]]) {
2979         meshDS->SetNodeOnFace(nodes[evquad[0]], TopoDS::Face(fmap(tag)));
2980         tags[evquad[0]] = false;
2981       }
2982       if (tags[evquad[1]]) {
2983         meshDS->SetNodeOnFace(nodes[evquad[1]], TopoDS::Face(fmap(tag)));
2984         tags[evquad[1]] = false;
2985       }
2986       if (tags[evquad[2]]) {
2987         meshDS->SetNodeOnFace(nodes[evquad[2]], TopoDS::Face(fmap(tag)));
2988         tags[evquad[2]] = false;
2989       }
2990       if (tags[evquad[3]]) {
2991         meshDS->SetNodeOnFace(nodes[evquad[3]], TopoDS::Face(fmap(tag)));
2992         tags[evquad[3]] = false;
2993       }
2994       if (tags[evquad[4]]) {
2995         meshDS->SetNodeOnFace(nodes[evquad[4]], TopoDS::Face(fmap(tag)));
2996         tags[evquad[4]] = false;
2997       }
2998       quad = meshDS->AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]],
2999                              nodes[evquad[0]], nodes[evquad[1]], nodes[evquad[2]], nodes[evquad[3]],
3000                              nodes[evquad[4]]);
3001     }
3002     else {
3003       quad = helper.AddFace(nodes[vtx[0]], nodes[vtx[1]], nodes[vtx[2]], nodes[vtx[3]]);
3004     }
3005     meshDS->SetMeshElementOnShape(quad, TopoDS::Face(fmap(tag)));
3006   }
3007
3008   /* release the mesh object, the rest is released by cleaner */
3009   cadsurf_data_regain_mesh(css, msh);
3010
3011   if ( needMerge ) // sew mesh computed by BLSURF with pre-existing mesh
3012   {
3013     SMESH_MeshEditor editor( &aMesh );
3014     SMESH_MeshEditor::TListOfListOfNodes nodeGroupsToMerge;
3015     TIDSortedElemSet segementsOnEdge;
3016     TIDSortedNodeSet nodesOnEdge;
3017     TSubMeshSet::iterator smIt;
3018     SMESHDS_SubMesh* smDS;
3019     typedef SMDS_StdIterator< const SMDS_MeshNode*, SMDS_NodeIteratorPtr > TNodeIterator;
3020     double tol;
3021
3022     // merge nodes on EDGE's with ones computed by BLSURF
3023     for ( smIt = mergeSubmeshes.begin(); smIt != mergeSubmeshes.end(); ++smIt )
3024     {
3025       if (! (smDS = *smIt) ) continue;
3026       getNodeGroupsToMerge( smDS, meshDS->IndexToShape((*smIt)->GetID()), nodeGroupsToMerge );
3027
3028       SMDS_ElemIteratorPtr segIt = smDS->GetElements();
3029       while ( segIt->more() )
3030         segementsOnEdge.insert( segIt->next() );
3031     }
3032     // merge nodes
3033     editor.MergeNodes( nodeGroupsToMerge );
3034
3035     // merge segments
3036     SMESH_MeshEditor::TListOfListOfElementsID equalSegments;
3037     editor.FindEqualElements( segementsOnEdge, equalSegments );
3038     editor.MergeElements( equalSegments );
3039
3040     // remove excess segments created on the boundary of viscous layers
3041     const SMDS_TypeOfPosition onFace = SMDS_TOP_FACE;
3042     for ( int i = 1; i <= emap.Extent(); ++i )
3043     {
3044       if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( emap( i )))
3045       {
3046         SMDS_ElemIteratorPtr segIt = smDS->GetElements();
3047         while ( segIt->more() )
3048         {
3049           const SMDS_MeshElement* seg = segIt->next();
3050           if ( seg->GetNode(0)->GetPosition()->GetTypeOfPosition() == onFace ||
3051                seg->GetNode(1)->GetPosition()->GetTypeOfPosition() == onFace )
3052             meshDS->RemoveFreeElement( seg, smDS );
3053         }
3054       }
3055     }
3056   }
3057
3058   // SetIsAlwaysComputed( true ) to sub-meshes of EDGEs w/o mesh
3059   TopLoc_Location loc; double f,l;
3060   for (int i = 1; i <= emap.Extent(); i++)
3061     if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( emap( i )))
3062       sm->SetIsAlwaysComputed( true );
3063   for (int i = 1; i <= pmap.Extent(); i++)
3064     if ( SMESH_subMesh* sm = aMesh.GetSubMeshContaining( pmap( i )))
3065       if ( !sm->IsMeshComputed() )
3066         sm->SetIsAlwaysComputed( true );
3067
3068   // Set error to FACE's w/o elements
3069   SMESH_ComputeErrorName err = COMPERR_ALGO_FAILED;
3070   if ( _comment.empty() )
3071   {
3072     err      = COMPERR_WARNING;
3073     _comment = "No mesh elements assigned to a face";
3074   }
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       sm->GetComputeError().reset( new SMESH_ComputeError( err, _comment, this ));
3080   }
3081
3082   // Issue 0019864. On DebianSarge, FE signals do not obey to OSD::SetSignal(false)
3083 #ifndef WIN32
3084   if ( oldFEFlags > 0 )
3085     feenableexcept( oldFEFlags );
3086   feclearexcept( FE_ALL_EXCEPT );
3087 #endif
3088
3089   /*
3090     std::cout << "FacesWithSizeMap" << std::endl;
3091     FacesWithSizeMap.Statistics(std::cout);
3092     std::cout << "EdgesWithSizeMap" << std::endl;
3093     EdgesWithSizeMap.Statistics(std::cout);
3094     std::cout << "VerticesWithSizeMap" << std::endl;
3095     VerticesWithSizeMap.Statistics(std::cout);
3096     std::cout << "FacesWithEnforcedVertices" << std::endl;
3097     FacesWithEnforcedVertices.Statistics(std::cout);
3098   */
3099
3100   MESSAGE("END OF BLSURFPlugin_BLSURF::Compute()");
3101   return ( status == STATUS_OK && !quadraticSubMeshAndViscousLayer );
3102 }
3103
3104 //================================================================================
3105 /*!
3106  * \brief Terminates computation
3107  */
3108 //================================================================================
3109
3110 void BLSURFPlugin_BLSURF::CancelCompute()
3111 {
3112   _compute_canceled = true;
3113 }
3114
3115 //=============================================================================
3116 /*!
3117  *  SetNodeOnEdge
3118  */
3119 //=============================================================================
3120
3121 void BLSURFPlugin_BLSURF::Set_NodeOnEdge(SMESHDS_Mesh* meshDS, const SMDS_MeshNode* node, const TopoDS_Shape& ed) {
3122   const TopoDS_Edge edge = TopoDS::Edge(ed);
3123
3124   gp_Pnt pnt(node->X(), node->Y(), node->Z());
3125
3126   Standard_Real p0 = 0.0;
3127   Standard_Real p1 = 1.0;
3128   TopLoc_Location loc;
3129   Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, loc, p0, p1);
3130
3131   if ( !loc.IsIdentity() ) pnt.Transform( loc.Transformation().Inverted() );
3132   GeomAPI_ProjectPointOnCurve proj(pnt, curve, p0, p1);
3133
3134   double pa = 0.;
3135   if ( proj.NbPoints() > 0 )
3136   {
3137     pa = (double)proj.LowerDistanceParameter();
3138     // Issue 0020656. Move node if it is too far from edge
3139     gp_Pnt curve_pnt = curve->Value( pa );
3140     double dist2     = pnt.SquareDistance( curve_pnt );
3141     double tol       = BRep_Tool::Tolerance( edge );
3142     if ( 1e-14 < dist2 && dist2 <= 1000*tol ) // large enough and within tolerance
3143     {
3144       curve_pnt.Transform( loc );
3145       meshDS->MoveNode( node, curve_pnt.X(), curve_pnt.Y(), curve_pnt.Z() );
3146     }
3147   }
3148 //   GProp_GProps LProps;
3149 //   BRepGProp::LinearProperties(ed, LProps);
3150 //   double lg = (double)LProps.Mass();
3151
3152   meshDS->SetNodeOnEdge(node, edge, pa);
3153 }
3154
3155 /* Curve definition function See cad_curv_t in file meshgems/cad.h for
3156  * more information.
3157  * NOTE : if when your CAD systems evaluates second
3158  * order derivatives it also computes first order derivatives and
3159  * function evaluation, you can optimize this example by making only
3160  * one CAD call and filling the necessary uv, dt, dtt arrays.
3161  */
3162 status_t curv_fun(real t, real *uv, real *dt, real *dtt, void *user_data)
3163 {
3164   /* t is given. It contains the t (time) 1D parametric coordintaes
3165      of the point PreCAD/BLSurf is querying on the curve */
3166
3167   /* user_data identifies the edge PreCAD/BLSurf is querying
3168    * (see cad_edge_new later in this example) */
3169   const Geom2d_Curve*pargeo = (const Geom2d_Curve*) user_data;
3170
3171   if (uv){
3172    /* BLSurf is querying the function evaluation */
3173     gp_Pnt2d P;
3174     P=pargeo->Value(t);
3175     uv[0]=P.X(); uv[1]=P.Y();
3176   }
3177
3178   if(dt) {
3179    /* query for the first order derivatives */
3180     gp_Vec2d V1;
3181     V1=pargeo->DN(t,1);
3182     dt[0]=V1.X(); dt[1]=V1.Y();
3183   }
3184
3185   if(dtt){
3186     /* query for the second order derivatives */
3187     gp_Vec2d V2;
3188     V2=pargeo->DN(t,2);
3189     dtt[0]=V2.X(); dtt[1]=V2.Y();
3190   }
3191
3192   return STATUS_OK;
3193 }
3194
3195 /* Surface definition function.
3196  * See cad_surf_t in file meshgems/cad.h for more information.
3197  * NOTE : if when your CAD systems evaluates second order derivatives it also
3198  * computes first order derivatives and function evaluation, you can optimize
3199  * this example by making only one CAD call and filling the necessary xyz, du, dv, etc..
3200  * arrays.
3201  */
3202 status_t surf_fun(real *uv, real *xyz, real*du, real *dv,
3203                   real *duu, real *duv, real *dvv, void *user_data)
3204 {
3205   /* uv[2] is given. It contains the u,v coordinates of the point
3206    * PreCAD/BLSurf is querying on the surface */
3207
3208   /* user_data identifies the face PreCAD/BLSurf is querying (see
3209    * cad_face_new later in this example)*/
3210   const Geom_Surface* geometry = (const Geom_Surface*) user_data;
3211
3212   if(xyz){
3213    gp_Pnt P;
3214    P=geometry->Value(uv[0],uv[1]);   // S.D0(U,V,P);
3215    xyz[0]=P.X(); xyz[1]=P.Y(); xyz[2]=P.Z();
3216   }
3217
3218   if(du && dv){
3219     gp_Pnt P;
3220     gp_Vec D1U,D1V;
3221
3222     geometry->D1(uv[0],uv[1],P,D1U,D1V);
3223     du[0]=D1U.X(); du[1]=D1U.Y(); du[2]=D1U.Z();
3224     dv[0]=D1V.X(); dv[1]=D1V.Y(); dv[2]=D1V.Z();
3225   }
3226
3227   if(duu && duv && dvv){
3228
3229     gp_Pnt P;
3230     gp_Vec D1U,D1V;
3231     gp_Vec D2U,D2V,D2UV;
3232
3233     geometry->D2(uv[0],uv[1],P,D1U,D1V,D2U,D2V,D2UV);
3234     duu[0]=D2U.X(); duu[1]=D2U.Y(); duu[2]=D2U.Z();
3235     duv[0]=D2UV.X(); duv[1]=D2UV.Y(); duv[2]=D2UV.Z();
3236     dvv[0]=D2V.X(); dvv[1]=D2V.Y(); dvv[2]=D2V.Z();
3237   }
3238
3239   return STATUS_OK;
3240 }
3241
3242
3243 status_t size_on_surface(integer face_id, real *uv, real *size, void *user_data)
3244 {
3245   //MESSAGE("size_on_surface")
3246   if (FaceId2PythonSmp.count(face_id) != 0){
3247     //MESSAGE("A size map is used to calculate size on face : "<<face_id)
3248     PyObject * pyresult = NULL;
3249     PyObject* new_stderr = NULL;
3250     assert(Py_IsInitialized());
3251     PyGILState_STATE gstate;
3252     gstate = PyGILState_Ensure();
3253     pyresult = PyObject_CallFunction(FaceId2PythonSmp[face_id],(char*)"(f,f)",uv[0],uv[1]);
3254     real result;
3255     if ( pyresult != NULL) {
3256       result = PyFloat_AsDouble(pyresult);
3257       Py_DECREF(pyresult);
3258 //       *size = result;
3259     }
3260     else{
3261       fflush(stderr);
3262       string err_description="";
3263       new_stderr = newPyStdOut(err_description);
3264       PySys_SetObject((char*)"stderr", new_stderr);
3265       PyErr_Print();
3266       PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
3267       Py_DECREF(new_stderr);
3268       MESSAGE("Can't evaluate f(" << uv[0] << "," << uv[1] << ")" << " error is " << err_description);
3269       result = *((real*)user_data);
3270     }
3271     *size = result;
3272     PyGILState_Release(gstate);
3273   }
3274   else if (FaceIndex2ClassAttractor.count(face_id) !=0 && !FaceIndex2ClassAttractor[face_id]->Empty()){
3275 //    MESSAGE("attractor used on face :"<<face_id)
3276     // MESSAGE("List of attractor is not empty")
3277     // MESSAGE("Attractor empty : "<< FaceIndex2ClassAttractor[face_id]->Empty())
3278     real result = FaceIndex2ClassAttractor[face_id]->GetSize(uv[0],uv[1]);
3279     *size = result;
3280   }
3281   else {
3282     // MESSAGE("List of attractor is empty !!!")
3283     *size = *((real*)user_data);
3284   }
3285 //   std::cout << "Size_on_surface sur la face " << face_id << " donne une size de: " << *size << std::endl;
3286   return STATUS_OK;
3287 }
3288
3289 status_t size_on_edge(integer edge_id, real t, real *size, void *user_data)
3290 {
3291   if (EdgeId2PythonSmp.count(edge_id) != 0){
3292     PyObject * pyresult = NULL;
3293     PyObject* new_stderr = NULL;
3294     assert(Py_IsInitialized());
3295     PyGILState_STATE gstate;
3296     gstate = PyGILState_Ensure();
3297     pyresult = PyObject_CallFunction(EdgeId2PythonSmp[edge_id],(char*)"(f)",t);
3298     real result;
3299     if ( pyresult != NULL) {
3300       result = PyFloat_AsDouble(pyresult);
3301       Py_DECREF(pyresult);
3302 //       *size = result;
3303     }
3304     else{
3305       fflush(stderr);
3306       string err_description="";
3307       new_stderr = newPyStdOut(err_description);
3308       PySys_SetObject((char*)"stderr", new_stderr);
3309       PyErr_Print();
3310       PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
3311       Py_DECREF(new_stderr);
3312       MESSAGE("Can't evaluate f(" << t << ")" << " error is " << err_description);
3313       result = *((real*)user_data);
3314     }
3315     *size = result;
3316     PyGILState_Release(gstate);
3317   }
3318   else {
3319     *size = *((real*)user_data);
3320   }
3321   return STATUS_OK;
3322 }
3323
3324 status_t size_on_vertex(integer point_id, real *size, void *user_data)
3325 {
3326   if (VertexId2PythonSmp.count(point_id) != 0){
3327     PyObject * pyresult = NULL;
3328     PyObject* new_stderr = NULL;
3329     assert(Py_IsInitialized());
3330     PyGILState_STATE gstate;
3331     gstate = PyGILState_Ensure();
3332     pyresult = PyObject_CallFunction(VertexId2PythonSmp[point_id],(char*)"");
3333     real result;
3334     if ( pyresult != NULL) {
3335       result = PyFloat_AsDouble(pyresult);
3336       Py_DECREF(pyresult);
3337 //       *size = result;
3338     }
3339     else {
3340       fflush(stderr);
3341       string err_description="";
3342       new_stderr = newPyStdOut(err_description);
3343       PySys_SetObject((char*)"stderr", new_stderr);
3344       PyErr_Print();
3345       PySys_SetObject((char*)"stderr", PySys_GetObject((char*)"__stderr__"));
3346       Py_DECREF(new_stderr);
3347       MESSAGE("Can't evaluate f()" << " error is " << err_description);
3348       result = *((real*)user_data);
3349     }
3350     *size = result;
3351     PyGILState_Release(gstate);
3352   }
3353   else {
3354     *size = *((real*)user_data);
3355   }
3356  return STATUS_OK;
3357 }
3358
3359 /*
3360  * The following function will be called for PreCAD/BLSurf message
3361  * printing.  See context_set_message_callback (later in this
3362  * template) for how to set user_data.
3363  */
3364 status_t message_cb(message_t *msg, void *user_data)
3365 {
3366   integer errnumber = 0;
3367   char *desc;
3368   message_get_number(msg, &errnumber);
3369   message_get_description(msg, &desc);
3370   string err( desc );
3371   message_cb_user_data * mcud = (message_cb_user_data*)user_data;
3372   // Get all the error message and some warning messages related to license and periodicity
3373   if ( errnumber < 0 || err.find("license") != string::npos || err.find("periodicity") != string::npos ) {
3374     // remove ^A from the tail
3375     int len = strlen( desc );
3376     while (len > 0 && desc[len-1] != '\n')
3377       len--;
3378     mcud->_error->append( desc, len );
3379   }
3380   else {
3381     if ( errnumber == 3009001 )
3382       * mcud->_progress = atof( desc + 11 ) / 100.;
3383     if ( mcud->_verbosity > 0 )
3384       std::cout << desc << std::endl;
3385   }
3386   return STATUS_OK;
3387 }
3388
3389 /* This is the interrupt callback. PreCAD/BLSurf will call this
3390  * function regularily. See the file meshgems/interrupt.h
3391  */
3392 status_t interrupt_cb(integer *interrupt_status, void *user_data)
3393 {
3394   integer you_want_to_continue = 1;
3395   BLSURFPlugin_BLSURF* tmp = (BLSURFPlugin_BLSURF*)user_data;
3396   you_want_to_continue = !tmp->computeCanceled();
3397
3398   if(you_want_to_continue)
3399   {
3400     *interrupt_status = INTERRUPT_CONTINUE;
3401     return STATUS_OK;
3402   }
3403   else /* you want to stop BLSurf */
3404   {
3405     *interrupt_status = INTERRUPT_STOP;
3406     return STATUS_ERROR;
3407   }
3408 }
3409
3410 //=============================================================================
3411 /*!
3412  *
3413  */
3414 //=============================================================================
3415 bool BLSURFPlugin_BLSURF::Evaluate(SMESH_Mesh&         aMesh,
3416                                    const TopoDS_Shape& aShape,
3417                                    MapShapeNbElems&    aResMap)
3418 {
3419   double diagonal       = aMesh.GetShapeDiagonalSize();
3420   double bbSegmentation = _gen->GetBoundaryBoxSegmentation();
3421   int    _physicalMesh  = BLSURFPlugin_Hypothesis::GetDefaultPhysicalMesh();
3422   double _phySize       = BLSURFPlugin_Hypothesis::GetDefaultPhySize(diagonal, bbSegmentation);
3423   bool   _phySizeRel    = BLSURFPlugin_Hypothesis::GetDefaultPhySizeRel();
3424   //int    _geometricMesh = BLSURFPlugin_Hypothesis::GetDefaultGeometricMesh();
3425   double _angleMesh     = BLSURFPlugin_Hypothesis::GetDefaultAngleMesh();
3426   bool   _quadAllowed   = BLSURFPlugin_Hypothesis::GetDefaultQuadAllowed();
3427   if(_hypothesis) {
3428     _physicalMesh  = (int) _hypothesis->GetPhysicalMesh();
3429     _phySizeRel         = _hypothesis->IsPhySizeRel();
3430     if ( _hypothesis->GetPhySize() > 0)
3431       _phySize          = _phySizeRel ? diagonal*_hypothesis->GetPhySize() : _hypothesis->GetPhySize();
3432     //_geometricMesh = (int) hyp->GetGeometricMesh();
3433     if (_hypothesis->GetAngleMesh() > 0)
3434       _angleMesh        = _hypothesis->GetAngleMesh();
3435     _quadAllowed        = _hypothesis->GetQuadAllowed();
3436   } else {
3437     //0020968: EDF1545 SMESH: Problem in the creation of a mesh group on geometry
3438     // GetDefaultPhySize() sometimes leads to computation failure
3439     _phySize = aMesh.GetShapeDiagonalSize() / _gen->GetBoundaryBoxSegmentation();
3440     MESSAGE("BLSURFPlugin_BLSURF::SetParameters using defaults");
3441   }
3442
3443   bool IsQuadratic = _quadraticMesh;
3444
3445   // ----------------
3446   // evaluate 1D
3447   // ----------------
3448   TopTools_DataMapOfShapeInteger EdgesMap;
3449   double fullLen = 0.0;
3450   double fullNbSeg = 0;
3451   for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
3452     TopoDS_Edge E = TopoDS::Edge( exp.Current() );
3453     if( EdgesMap.IsBound(E) )
3454       continue;
3455     SMESH_subMesh *sm = aMesh.GetSubMesh(E);
3456     double aLen = SMESH_Algo::EdgeLength(E);
3457     fullLen += aLen;
3458     int nb1d = 0;
3459     if(_physicalMesh==1) {
3460        nb1d = (int)( aLen/_phySize + 1 );
3461     }
3462     else {
3463       // use geometry
3464       double f,l;
3465       Handle(Geom_Curve) C = BRep_Tool::Curve(E,f,l);
3466       double fullAng = 0.0;
3467       double dp = (l-f)/200;
3468       gp_Pnt P1,P2,P3;
3469       C->D0(f,P1);
3470       C->D0(f+dp,P2);
3471       gp_Vec V1(P1,P2);
3472       for(int j=2; j<=200; j++) {
3473         C->D0(f+dp*j,P3);
3474         gp_Vec V2(P2,P3);
3475         fullAng += fabs(V1.Angle(V2));
3476         V1 = V2;
3477         P2 = P3;
3478       }
3479       nb1d = (int)( fullAng/_angleMesh + 1 );
3480     }
3481     fullNbSeg += nb1d;
3482     std::vector<int> aVec(SMDSEntity_Last);
3483     for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3484     if( IsQuadratic > 0 ) {
3485       aVec[SMDSEntity_Node] = 2*nb1d - 1;
3486       aVec[SMDSEntity_Quad_Edge] = nb1d;
3487     }
3488     else {
3489       aVec[SMDSEntity_Node] = nb1d - 1;
3490       aVec[SMDSEntity_Edge] = nb1d;
3491     }
3492     aResMap.insert(std::make_pair(sm,aVec));
3493     EdgesMap.Bind(E,nb1d);
3494   }
3495   double ELen = fullLen/fullNbSeg;
3496   // ----------------
3497   // evaluate 2D
3498   // ----------------
3499   // try to evaluate as in MEFISTO
3500   for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
3501     TopoDS_Face F = TopoDS::Face( exp.Current() );
3502     SMESH_subMesh *sm = aMesh.GetSubMesh(F);
3503     GProp_GProps G;
3504     BRepGProp::SurfaceProperties(F,G);
3505     double anArea = G.Mass();
3506     int nb1d = 0;
3507     std::vector<int> nb1dVec;
3508     for (TopExp_Explorer exp1(F,TopAbs_EDGE); exp1.More(); exp1.Next()) {
3509       int nbSeg = EdgesMap.Find(exp1.Current());
3510       nb1d += nbSeg;
3511       nb1dVec.push_back( nbSeg );
3512     }
3513     int nbQuad = 0;
3514     int nbTria = (int) ( anArea/( ELen*ELen*sqrt(3.) / 4 ) );
3515     int nbNodes = (int) ( ( nbTria*3 - (nb1d-1)*2 ) / 6 + 1 );
3516     if ( _quadAllowed )
3517     {
3518       if ( nb1dVec.size() == 4 ) // quadrangle geom face
3519       {
3520         int n1 = nb1dVec[0], n2 = nb1dVec[ nb1dVec[1] == nb1dVec[0] ? 2 : 1 ];
3521         nbQuad = n1 * n2;
3522         nbNodes = (n1 + 1) * (n2 + 1);
3523         nbTria = 0;
3524       }
3525       else
3526       {
3527         nbTria = nbQuad = nbTria / 3 + 1;
3528       }
3529     }
3530     std::vector<int> aVec(SMDSEntity_Last,0);
3531     if( IsQuadratic ) {
3532       int nb1d_in = (nbTria*3 - nb1d) / 2;
3533       aVec[SMDSEntity_Node] = nbNodes + nb1d_in;
3534       aVec[SMDSEntity_Quad_Triangle] = nbTria;
3535       aVec[SMDSEntity_Quad_Quadrangle] = nbQuad;
3536     }
3537     else {
3538       aVec[SMDSEntity_Node] = nbNodes;
3539       aVec[SMDSEntity_Triangle] = nbTria;
3540       aVec[SMDSEntity_Quadrangle] = nbQuad;
3541     }
3542     aResMap.insert(std::make_pair(sm,aVec));
3543   }
3544
3545   // ----------------
3546   // evaluate 3D
3547   // ----------------
3548   GProp_GProps G;
3549   BRepGProp::VolumeProperties(aShape,G);
3550   double aVolume = G.Mass();
3551   double tetrVol = 0.1179*ELen*ELen*ELen;
3552   int nbVols  = int(aVolume/tetrVol);
3553   int nb1d_in = int(( nbVols*6 - fullNbSeg ) / 6 );
3554   std::vector<int> aVec(SMDSEntity_Last);
3555   for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
3556   if( IsQuadratic ) {
3557     aVec[SMDSEntity_Node] = nb1d_in/3 + 1 + nb1d_in;
3558     aVec[SMDSEntity_Quad_Tetra] = nbVols;
3559   }
3560   else {
3561     aVec[SMDSEntity_Node] = nb1d_in/3 + 1;
3562     aVec[SMDSEntity_Tetra] = nbVols;
3563   }
3564   SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
3565   aResMap.insert(std::make_pair(sm,aVec));
3566
3567   return true;
3568 }