src/StdMeshers/StdMeshers_Hexa_3D.cxx

   1 //  SMESH SMESH : implementaion of SMESH idl descriptions
   2 //
   3 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 //  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
  21 //
  22 //
  23 //
  24 //  File   : StdMeshers_Hexa_3D.cxx
  25 //           Moved here from SMESH_Hexa_3D.cxx
  26 //  Author : Paul RASCLE, EDF
  27 //  Module : SMESH
  28 //  $Header$
  29
  30 using namespace std;
  31 #include "StdMeshers_Hexa_3D.hxx"
  32 #include "StdMeshers_Quadrangle_2D.hxx"
  33 #include "SMESH_Gen.hxx"
  34 #include "SMESH_Mesh.hxx"
  35 #include "SMESH_subMesh.hxx"
  36
  37 #include "SMDS_MeshElement.hxx"
  38 #include "SMDS_MeshNode.hxx"
  39 #include "SMDS_FacePosition.hxx"
  40 #include "SMDS_VolumeTool.hxx"
  41 #include "SMDS_VolumeOfNodes.hxx"
  42
  43 #include <TopExp.hxx>
  44 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  45 #include <TopTools_ListOfShape.hxx>
  46 #include <TopTools_ListIteratorOfListOfShape.hxx>
  47 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  48
  49 #include <BRep_Tool.hxx>
  50 #include <Geom_Surface.hxx>
  51 #include <Geom_Curve.hxx>
  52 #include <Geom2d_Curve.hxx>
  53 #include <Handle_Geom2d_Curve.hxx>
  54 #include <Handle_Geom_Curve.hxx>
  55 #include <gp_Pnt2d.hxx>
  56
  57 #include "utilities.h"
  58 #include "Utils_ExceptHandlers.hxx"
  59
  60 //modified by NIZNHY-PKV Wed Nov 17 15:31:58 2004 f
  61 #include "StdMeshers_Penta_3D.hxx"
  62
  63 static bool ComputePentahedralMesh(SMESH_Mesh & aMesh,  const TopoDS_Shape & aShape);
  64 //modified by NIZNHY-PKV Wed Nov 17 15:32:00 2004 t
  65
  66 //=============================================================================
  67 /*!
  68  *
  69  */
  70 //=============================================================================
  71
  72 StdMeshers_Hexa_3D::StdMeshers_Hexa_3D(int hypId, int studyId,
  73         SMESH_Gen * gen):SMESH_3D_Algo(hypId, studyId, gen)
  74 {
  75         MESSAGE("StdMeshers_Hexa_3D::StdMeshers_Hexa_3D");
  76         _name = "Hexa_3D";
  77 //   _shapeType = TopAbs_SOLID;
  78         _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type
  79 //   MESSAGE("_shapeType octal " << oct << _shapeType);
  80         for (int i = 0; i < 6; i++)
  81                 _quads[i] = 0;
  82 }
  83
  84 //=============================================================================
  85 /*!
  86  *
  87  */
  88 //=============================================================================
  89
  90 StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D()
  91 {
  92         MESSAGE("StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D");
  93 }
  94
  95 //=============================================================================
  96 /*!
  97  *
  98  */
  99 //=============================================================================
 100
 101 bool StdMeshers_Hexa_3D::CheckHypothesis
 102                          (SMESH_Mesh& aMesh,
 103                           const TopoDS_Shape& aShape,
 104                           SMESH_Hypothesis::Hypothesis_Status& aStatus)
 105 {
 106         //MESSAGE("StdMeshers_Hexa_3D::CheckHypothesis");
 107
 108         bool isOk = true;
 109         aStatus = SMESH_Hypothesis::HYP_OK;
 110
 111         // nothing to check
 112
 113         return isOk;
 114 }
 115
 116 //=======================================================================
 117 //function : findIJ
 118 //purpose  : return i,j of the node
 119 //=======================================================================
 120
 121 static bool findIJ (const SMDS_MeshNode* node, const FaceQuadStruct * quad, int& I, int& J)
 122 {
 123   I = J = 0;
 124   const SMDS_FacePosition* fpos =
 125     static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
 126   if ( ! fpos ) return false;
 127   gp_Pnt2d uv( fpos->GetUParameter(), fpos->GetVParameter() );
 128
 129   double minDist = DBL_MAX;
 130   int nbhoriz  = Min(quad->nbPts[0], quad->nbPts[2]);
 131   int nbvertic = Min(quad->nbPts[1], quad->nbPts[3]);
 132   for (int i = 1; i < nbhoriz - 1; i++) {
 133     for (int j = 1; j < nbvertic - 1; j++) {
 134       int ij = j * nbhoriz + i;
 135       gp_Pnt2d uv2( quad->uv_grid[ij].u, quad->uv_grid[ij].v );
 136       double dist = uv.SquareDistance( uv2 );
 137       if ( dist < minDist ) {
 138         minDist = dist;
 139         I = i;
 140         J = j;
 141       }
 142     }
 143   }
 144   return true;
 145 }
 146
 147 //=============================================================================
 148 /*!
 149  * Hexahedron mesh on hexaedron like form
 150  * -0.  - shape and face mesh verification
 151  * -1.  - identify faces and vertices of the "cube"
 152  * -2.  - Algorithm from:
 153  * "Application de l'interpolation transfinie à la création de maillages
 154  *  C0 ou G1 continus sur des triangles, quadrangles, tetraedres, pentaedres
 155  *  et hexaedres déformés."
 156  * Alain PERONNET - 8 janvier 1999
 157  */
 158 //=============================================================================
 159
 160 bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh,
 161         const TopoDS_Shape & aShape)throw(SALOME_Exception)
 162 {
 163   Unexpect aCatch(SalomeException);
 164         MESSAGE("StdMeshers_Hexa_3D::Compute");
 165         //bool isOk = false;
 166         SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
 167         //SMESH_subMesh *theSubMesh = aMesh.GetSubMesh(aShape);
 168         //const SMESHDS_SubMesh *& subMeshDS = theSubMesh->GetSubMeshDS();
 169
 170         // 0.  - shape and face mesh verification
 171         // 0.1 - shape must be a solid (or a shell) with 6 faces
 172         MESSAGE("---");
 173
 174         vector < SMESH_subMesh * >meshFaces;
 175         for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next())
 176         {
 177                 SMESH_subMesh *aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
 178                 ASSERT(aSubMesh);
 179                 meshFaces.push_back(aSubMesh);
 180         }
 181         if (meshFaces.size() != 6)
 182         {
 183                 SCRUTE(meshFaces.size());
 184 //              ASSERT(0);
 185                 return false;
 186         }
 187
 188         // 0.2 - is each face meshed with Quadrangle_2D? (so, with a wire of 4 edges)
 189         //MESSAGE("---");
 190
 191         for (int i = 0; i < 6; i++)
 192         {
 193           TopoDS_Shape aFace = meshFaces[i]->GetSubShape();
 194           SMESH_Algo *algo = _gen->GetAlgo(aMesh, aFace);
 195           string algoName = algo->GetName();
 196           bool isAllQuad = false;
 197           if (algoName == "Quadrangle_2D") {
 198             SMESHDS_SubMesh * sm = meshDS->MeshElements( aFace );
 199             if ( sm ) {
 200               isAllQuad = true;
 201               SMDS_ElemIteratorPtr eIt = sm->GetElements();
 202               while ( isAllQuad && eIt->more() )
 203                 isAllQuad = ( eIt->next()->NbNodes() == 4 );
 204             }
 205           }
 206           if ( ! isAllQuad ) {
 207             //modified by NIZNHY-PKV Wed Nov 17 15:31:37 2004 f
 208             bool bIsOk;
 209             //
 210             bIsOk=ComputePentahedralMesh(aMesh, aShape);
 211             if (bIsOk) {
 212               return true;
 213             }
 214             //modified by NIZNHY-PKV Wed Nov 17 15:31:42 2004 t
 215             SCRUTE(algoName);
 216             //                  ASSERT(0);
 217             return false;
 218           }
 219           StdMeshers_Quadrangle_2D *quadAlgo =
 220             dynamic_cast < StdMeshers_Quadrangle_2D * >(algo);
 221           ASSERT(quadAlgo);
 222           try
 223             {
 224               _quads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aFace);
 225               // *** to delete after usage
 226             }
 227           catch(SALOME_Exception & S_ex)
 228             {
 229               // *** delete _quads
 230               // *** throw exception
 231               //                        ASSERT(0);
 232               return false;
 233             }
 234
 235           // 0.2.1 - number of points on the opposite edges must be the same
 236           if (_quads[i]->nbPts[0] != _quads[i]->nbPts[2] ||
 237               _quads[i]->nbPts[1] != _quads[i]->nbPts[3])
 238             {
 239               MESSAGE("different number of points on the opposite edges of face " << i);
 240               //                  ASSERT(0);
 241               return false;
 242             }
 243         }
 244
 245         // 1.  - identify faces and vertices of the "cube"
 246         // 1.1 - ancestor maps vertex->edges in the cube
 247         //MESSAGE("---");
 248
 249         TopTools_IndexedDataMapOfShapeListOfShape MS;
 250         TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, MS);
 251
 252         // 1.2 - first face is choosen as face Y=0 of the unit cube
 253         //MESSAGE("---");
 254
 255         const TopoDS_Shape & aFace = meshFaces[0]->GetSubShape();
 256         const TopoDS_Face & F = TopoDS::Face(aFace);
 257
 258         // 1.3 - identify the 4 vertices of the face Y=0: V000, V100, V101, V001
 259         //MESSAGE("---");
 260
 261         int i = 0;
 262         TopoDS_Edge E = _quads[0]->edge[i];     //edge will be Y=0,Z=0 on unit cube
 263         double f, l;
 264         Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 265         TopoDS_Vertex VFirst, VLast;
 266         TopExp::Vertices(E, VFirst, VLast);     // corresponds to f and l
 267         bool isForward =
 268                 (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
 269
 270         if (isForward)
 271         {
 272                 _cube.V000 = VFirst;    // will be (0,0,0) on the unit cube
 273                 _cube.V100 = VLast;             // will be (1,0,0) on the unit cube
 274         }
 275         else
 276         {
 277                 _cube.V000 = VLast;
 278                 _cube.V100 = VFirst;
 279         }
 280
 281         i = 1;
 282         E = _quads[0]->edge[i];
 283         C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 284         TopExp::Vertices(E, VFirst, VLast);
 285         isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
 286         if (isForward)
 287                 _cube.V101 = VLast;             // will be (1,0,1) on the unit cube
 288         else
 289                 _cube.V101 = VFirst;
 290
 291         i = 2;
 292         E = _quads[0]->edge[i];
 293         C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 294         TopExp::Vertices(E, VFirst, VLast);
 295         isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
 296         if (isForward)
 297                 _cube.V001 = VLast;             // will be (0,0,1) on the unit cube
 298         else
 299                 _cube.V001 = VFirst;
 300
 301         // 1.4 - find edge X=0, Z=0 (ancestor of V000 not in face Y=0)
 302         //     - find edge X=1, Z=0 (ancestor of V100 not in face Y=0)
 303         //     - find edge X=1, Z=1 (ancestor of V101 not in face Y=0)
 304         //     - find edge X=0, Z=1 (ancestor of V001 not in face Y=0)
 305         //MESSAGE("---");
 306
 307         TopoDS_Edge E_0Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V000, MS);
 308         ASSERT(!E_0Y0.IsNull());
 309
 310         TopoDS_Edge E_1Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V100, MS);
 311         ASSERT(!E_1Y0.IsNull());
 312
 313         TopoDS_Edge E_1Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V101, MS);
 314         ASSERT(!E_1Y1.IsNull());
 315
 316         TopoDS_Edge E_0Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V001, MS);
 317         ASSERT(!E_0Y1.IsNull());
 318
 319         // 1.5 - identify the 4 vertices in face Y=1: V010, V110, V111, V011
 320         //MESSAGE("---");
 321
 322         TopExp::Vertices(E_0Y0, VFirst, VLast);
 323         if (VFirst.IsSame(_cube.V000))
 324                 _cube.V010 = VLast;
 325         else
 326                 _cube.V010 = VFirst;
 327
 328         TopExp::Vertices(E_1Y0, VFirst, VLast);
 329         if (VFirst.IsSame(_cube.V100))
 330                 _cube.V110 = VLast;
 331         else
 332                 _cube.V110 = VFirst;
 333
 334         TopExp::Vertices(E_1Y1, VFirst, VLast);
 335         if (VFirst.IsSame(_cube.V101))
 336                 _cube.V111 = VLast;
 337         else
 338                 _cube.V111 = VFirst;
 339
 340         TopExp::Vertices(E_0Y1, VFirst, VLast);
 341         if (VFirst.IsSame(_cube.V001))
 342                 _cube.V011 = VLast;
 343         else
 344                 _cube.V011 = VFirst;
 345
 346         // 1.6 - find remaining faces given 4 vertices
 347         //MESSAGE("---");
 348
 349         _indY0 = 0;
 350         _cube.quad_Y0 = _quads[_indY0];
 351
 352         _indY1 = GetFaceIndex(aMesh, aShape, meshFaces,
 353                 _cube.V010, _cube.V011, _cube.V110, _cube.V111);
 354         _cube.quad_Y1 = _quads[_indY1];
 355
 356         _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces,
 357                 _cube.V000, _cube.V010, _cube.V100, _cube.V110);
 358         _cube.quad_Z0 = _quads[_indZ0];
 359
 360         _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces,
 361                 _cube.V001, _cube.V011, _cube.V101, _cube.V111);
 362         _cube.quad_Z1 = _quads[_indZ1];
 363
 364         _indX0 = GetFaceIndex(aMesh, aShape, meshFaces,
 365                 _cube.V000, _cube.V001, _cube.V010, _cube.V011);
 366         _cube.quad_X0 = _quads[_indX0];
 367
 368         _indX1 = GetFaceIndex(aMesh, aShape, meshFaces,
 369                 _cube.V100, _cube.V101, _cube.V110, _cube.V111);
 370         _cube.quad_X1 = _quads[_indX1];
 371
 372         //MESSAGE("---");
 373
 374         // 1.7 - get convertion coefs from face 2D normalized to 3D normalized
 375
 376         Conv2DStruct cx0;                       // for face X=0
 377         Conv2DStruct cx1;                       // for face X=1
 378         Conv2DStruct cy0;
 379         Conv2DStruct cy1;
 380         Conv2DStruct cz0;
 381         Conv2DStruct cz1;
 382
 383         GetConv2DCoefs(*_cube.quad_X0, meshFaces[_indX0]->GetSubShape(),
 384                 _cube.V000, _cube.V010, _cube.V011, _cube.V001, cx0);
 385         GetConv2DCoefs(*_cube.quad_X1, meshFaces[_indX1]->GetSubShape(),
 386                 _cube.V100, _cube.V110, _cube.V111, _cube.V101, cx1);
 387         GetConv2DCoefs(*_cube.quad_Y0, meshFaces[_indY0]->GetSubShape(),
 388                 _cube.V000, _cube.V100, _cube.V101, _cube.V001, cy0);
 389         GetConv2DCoefs(*_cube.quad_Y1, meshFaces[_indY1]->GetSubShape(),
 390                 _cube.V010, _cube.V110, _cube.V111, _cube.V011, cy1);
 391         GetConv2DCoefs(*_cube.quad_Z0, meshFaces[_indZ0]->GetSubShape(),
 392                 _cube.V000, _cube.V100, _cube.V110, _cube.V010, cz0);
 393         GetConv2DCoefs(*_cube.quad_Z1, meshFaces[_indZ1]->GetSubShape(),
 394                 _cube.V001, _cube.V101, _cube.V111, _cube.V011, cz1);
 395
 396         // 1.8 - create a 3D structure for normalized values
 397
 398         //MESSAGE("---");
 399         int nbx = _cube.quad_Z0->nbPts[0];
 400         if (cz0.a1 == 0.) nbx = _cube.quad_Z0->nbPts[1];
 401
 402         int nby = _cube.quad_X0->nbPts[0];
 403         if (cx0.a1 == 0.) nby = _cube.quad_X0->nbPts[1];
 404
 405         int nbz = _cube.quad_Y0->nbPts[0];
 406         if (cy0.a1 != 0.) nbz = _cube.quad_Y0->nbPts[1];
 407 //      int nbx = _cube.quad_Y0->nbPts[0];
 408 //      int nby = _cube.quad_Y0->nbPts[1];
 409 //      int nbz;
 410 //      if (cx0.a1 != 0)
 411 //              nbz = _cube.quad_X0->nbPts[1];
 412 //      else
 413 //              nbz = _cube.quad_X0->nbPts[0];
 414         //SCRUTE(nbx);
 415         //SCRUTE(nby);
 416         //SCRUTE(nbz);
 417         int i1, j1, nbxyz = nbx * nby * nbz;
 418         Point3DStruct *np = new Point3DStruct[nbxyz];
 419
 420         // 1.9 - store node indexes of faces
 421
 422         {
 423                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX0]->GetSubShape());
 424
 425                 faceQuadStruct *quad = _cube.quad_X0;
 426                 int i = 0;                              // j = x/face , k = y/face
 427                 int nbdown = quad->nbPts[0];
 428                 int nbright = quad->nbPts[1];
 429
 430
 431                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 432
 433                 while(itf->more())
 434                 {
 435                         const SMDS_MeshNode * node = itf->next();
 436                         findIJ( node, quad, i1, j1 );
 437                         int ij1 = j1 * nbdown + i1;
 438                         quad->uv_grid[ij1].node = node;
 439                 }
 440
 441                 for (int i1 = 0; i1 < nbdown; i1++)
 442                         for (int j1 = 0; j1 < nbright; j1++)
 443                         {
 444                                 int ij1 = j1 * nbdown + i1;
 445                                 int j = cx0.ia * i1 + cx0.ib * j1 + cx0.ic;     // j = x/face
 446                                 int k = cx0.ja * i1 + cx0.jb * j1 + cx0.jc;     // k = y/face
 447                                 int ijk = k * nbx * nby + j * nbx + i;
 448                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 449                                 np[ijk].node = quad->uv_grid[ij1].node;
 450                                 //SCRUTE(np[ijk].nodeId);
 451                         }
 452         }
 453
 454         {
 455                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX1]->GetSubShape());
 456
 457                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 458
 459                 faceQuadStruct *quad = _cube.quad_X1;
 460                 int i = nbx - 1;                // j = x/face , k = y/face
 461                 int nbdown = quad->nbPts[0];
 462                 int nbright = quad->nbPts[1];
 463
 464                 while(itf->more())
 465                 {
 466                         const SMDS_MeshNode * node = itf->next();
 467                         findIJ( node, quad, i1, j1 );
 468                         int ij1 = j1 * nbdown + i1;
 469                         quad->uv_grid[ij1].node = node;
 470                 }
 471
 472                 for (int i1 = 0; i1 < nbdown; i1++)
 473                         for (int j1 = 0; j1 < nbright; j1++)
 474                         {
 475                                 int ij1 = j1 * nbdown + i1;
 476                                 int j = cx1.ia * i1 + cx1.ib * j1 + cx1.ic;     // j = x/face
 477                                 int k = cx1.ja * i1 + cx1.jb * j1 + cx1.jc;     // k = y/face
 478                                 int ijk = k * nbx * nby + j * nbx + i;
 479                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 480                                 np[ijk].node = quad->uv_grid[ij1].node;
 481                                 //SCRUTE(np[ijk].nodeId);
 482                         }
 483         }
 484
 485         {
 486                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY0]->GetSubShape());
 487
 488                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 489
 490                 faceQuadStruct *quad = _cube.quad_Y0;
 491                 int j = 0;                              // i = x/face , k = y/face
 492                 int nbdown = quad->nbPts[0];
 493                 int nbright = quad->nbPts[1];
 494
 495                 while(itf->more())
 496                 {
 497                         const SMDS_MeshNode * node = itf->next();
 498                         findIJ( node, quad, i1, j1 );
 499                         int ij1 = j1 * nbdown + i1;
 500                         quad->uv_grid[ij1].node = node;
 501                 }
 502
 503                 for (int i1 = 0; i1 < nbdown; i1++)
 504                         for (int j1 = 0; j1 < nbright; j1++)
 505                         {
 506                                 int ij1 = j1 * nbdown + i1;
 507                                 int i = cy0.ia * i1 + cy0.ib * j1 + cy0.ic;     // i = x/face
 508                                 int k = cy0.ja * i1 + cy0.jb * j1 + cy0.jc;     // k = y/face
 509                                 int ijk = k * nbx * nby + j * nbx + i;
 510                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 511                                 np[ijk].node = quad->uv_grid[ij1].node;
 512                                 //SCRUTE(np[ijk].nodeId);
 513                         }
 514         }
 515
 516         {
 517                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY1]->GetSubShape());
 518
 519                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 520
 521                 faceQuadStruct *quad = _cube.quad_Y1;
 522                 int j = nby - 1;                // i = x/face , k = y/face
 523                 int nbdown = quad->nbPts[0];
 524                 int nbright = quad->nbPts[1];
 525
 526                 while(itf->more())
 527                 {
 528                         const SMDS_MeshNode * node = itf->next();
 529                         findIJ( node, quad, i1, j1 );
 530                         int ij1 = j1 * nbdown + i1;
 531                         quad->uv_grid[ij1].node = node;
 532                 }
 533
 534                 for (int i1 = 0; i1 < nbdown; i1++)
 535                         for (int j1 = 0; j1 < nbright; j1++)
 536                         {
 537                                 int ij1 = j1 * nbdown + i1;
 538                                 int i = cy1.ia * i1 + cy1.ib * j1 + cy1.ic;     // i = x/face
 539                                 int k = cy1.ja * i1 + cy1.jb * j1 + cy1.jc;     // k = y/face
 540                                 int ijk = k * nbx * nby + j * nbx + i;
 541                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 542                                 np[ijk].node = quad->uv_grid[ij1].node;
 543                                 //SCRUTE(np[ijk].nodeId);
 544                         }
 545         }
 546
 547         {
 548                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ0]->GetSubShape());
 549
 550                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 551
 552                 faceQuadStruct *quad = _cube.quad_Z0;
 553                 int k = 0;                              // i = x/face , j = y/face
 554                 int nbdown = quad->nbPts[0];
 555                 int nbright = quad->nbPts[1];
 556
 557                 while(itf->more())
 558                 {
 559                         const SMDS_MeshNode * node = itf->next();
 560                         findIJ( node, quad, i1, j1 );
 561                         int ij1 = j1 * nbdown + i1;
 562                         quad->uv_grid[ij1].node = node;
 563                 }
 564
 565                 for (int i1 = 0; i1 < nbdown; i1++)
 566                         for (int j1 = 0; j1 < nbright; j1++)
 567                         {
 568                                 int ij1 = j1 * nbdown + i1;
 569                                 int i = cz0.ia * i1 + cz0.ib * j1 + cz0.ic;     // i = x/face
 570                                 int j = cz0.ja * i1 + cz0.jb * j1 + cz0.jc;     // j = y/face
 571                                 int ijk = k * nbx * nby + j * nbx + i;
 572                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 573                                 np[ijk].node = quad->uv_grid[ij1].node;
 574                                 //SCRUTE(np[ijk].nodeId);
 575                         }
 576         }
 577
 578         {
 579                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ1]->GetSubShape());
 580
 581                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 582
 583                 faceQuadStruct *quad = _cube.quad_Z1;
 584                 int k = nbz - 1;                // i = x/face , j = y/face
 585                 int nbdown = quad->nbPts[0];
 586                 int nbright = quad->nbPts[1];
 587
 588                 while(itf->more())
 589                 {
 590                         const SMDS_MeshNode * node = itf->next();
 591                         findIJ( node, quad, i1, j1 );
 592                         int ij1 = j1 * nbdown + i1;
 593                         quad->uv_grid[ij1].node = node;
 594                 }
 595
 596                 for (int i1 = 0; i1 < nbdown; i1++)
 597                         for (int j1 = 0; j1 < nbright; j1++)
 598                         {
 599                                 int ij1 = j1 * nbdown + i1;
 600                                 int i = cz1.ia * i1 + cz1.ib * j1 + cz1.ic;     // i = x/face
 601                                 int j = cz1.ja * i1 + cz1.jb * j1 + cz1.jc;     // j = y/face
 602                                 int ijk = k * nbx * nby + j * nbx + i;
 603                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 604                                 np[ijk].node = quad->uv_grid[ij1].node;
 605                                 //SCRUTE(np[ijk].nodeId);
 606                         }
 607         }
 608
 609         // 2.0 - for each node of the cube:
 610         //       - get the 8 points 3D = 8 vertices of the cube
 611         //       - get the 12 points 3D on the 12 edges of the cube
 612         //       - get the 6 points 3D on the 6 faces with their ID
 613         //       - compute the point 3D
 614         //       - store the point 3D in SMESHDS, store its ID in 3D structure
 615
 616         TopoDS_Shell aShell;
 617         TopExp_Explorer exp(aShape, TopAbs_SHELL);
 618         if (exp.More())
 619         {
 620                 aShell = TopoDS::Shell(exp.Current());
 621         }
 622         else
 623         {
 624                 MESSAGE("no shell...");
 625                 ASSERT(0);
 626         }
 627
 628         Pt3 p000, p001, p010, p011, p100, p101, p110, p111;
 629         Pt3 px00, px01, px10, px11;
 630         Pt3 p0y0, p0y1, p1y0, p1y1;
 631         Pt3 p00z, p01z, p10z, p11z;
 632         Pt3 pxy0, pxy1, px0z, px1z, p0yz, p1yz;
 633
 634         GetPoint(p000, 0, 0, 0, nbx, nby, nbz, np, meshDS);
 635         GetPoint(p001, 0, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
 636         GetPoint(p010, 0, nby - 1, 0, nbx, nby, nbz, np, meshDS);
 637         GetPoint(p011, 0, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
 638         GetPoint(p100, nbx - 1, 0, 0, nbx, nby, nbz, np, meshDS);
 639         GetPoint(p101, nbx - 1, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
 640         GetPoint(p110, nbx - 1, nby - 1, 0, nbx, nby, nbz, np, meshDS);
 641         GetPoint(p111, nbx - 1, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
 642
 643         for (int i = 1; i < nbx - 1; i++)
 644         {
 645                 for (int j = 1; j < nby - 1; j++)
 646                 {
 647                         for (int k = 1; k < nbz - 1; k++)
 648                         {
 649                                 // *** seulement maillage regulier
 650                                 // 12 points on edges
 651                                 GetPoint(px00, i, 0, 0, nbx, nby, nbz, np, meshDS);
 652                                 GetPoint(px01, i, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
 653                                 GetPoint(px10, i, nby - 1, 0, nbx, nby, nbz, np, meshDS);
 654                                 GetPoint(px11, i, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
 655
 656                                 GetPoint(p0y0, 0, j, 0, nbx, nby, nbz, np, meshDS);
 657                                 GetPoint(p0y1, 0, j, nbz - 1, nbx, nby, nbz, np, meshDS);
 658                                 GetPoint(p1y0, nbx - 1, j, 0, nbx, nby, nbz, np, meshDS);
 659                                 GetPoint(p1y1, nbx - 1, j, nbz - 1, nbx, nby, nbz, np, meshDS);
 660
 661                                 GetPoint(p00z, 0, 0, k, nbx, nby, nbz, np, meshDS);
 662                                 GetPoint(p01z, 0, nby - 1, k, nbx, nby, nbz, np, meshDS);
 663                                 GetPoint(p10z, nbx - 1, 0, k, nbx, nby, nbz, np, meshDS);
 664                                 GetPoint(p11z, nbx - 1, nby - 1, k, nbx, nby, nbz, np, meshDS);
 665
 666                                 // 12 points on faces
 667                                 GetPoint(pxy0, i, j, 0, nbx, nby, nbz, np, meshDS);
 668                                 GetPoint(pxy1, i, j, nbz - 1, nbx, nby, nbz, np, meshDS);
 669                                 GetPoint(px0z, i, 0, k, nbx, nby, nbz, np, meshDS);
 670                                 GetPoint(px1z, i, nby - 1, k, nbx, nby, nbz, np, meshDS);
 671                                 GetPoint(p0yz, 0, j, k, nbx, nby, nbz, np, meshDS);
 672                                 GetPoint(p1yz, nbx - 1, j, k, nbx, nby, nbz, np, meshDS);
 673
 674                                 int ijk = k * nbx * nby + j * nbx + i;
 675                                 double x = double (i) / double (nbx - 1);       // *** seulement
 676                                 double y = double (j) / double (nby - 1);       // *** maillage
 677                                 double z = double (k) / double (nbz - 1);       // *** regulier
 678
 679                                 Pt3 X;
 680                                 for (int i = 0; i < 3; i++)
 681                                 {
 682                                         X[i] =
 683                                                 (1 - x) * p0yz[i] + x * p1yz[i]
 684                                                 + (1 - y) * px0z[i] + y * px1z[i]
 685                                                 + (1 - z) * pxy0[i] + z * pxy1[i]
 686                                                 - (1 - x) * ((1 - y) * p00z[i] + y * p01z[i])
 687                                                 - x * ((1 - y) * p10z[i] + y * p11z[i])
 688                                                 - (1 - y) * ((1 - z) * px00[i] + z * px01[i])
 689                                                 - y * ((1 - z) * px10[i] + z * px11[i])
 690                                                 - (1 - z) * ((1 - x) * p0y0[i] + x * p1y0[i])
 691                                                 - z * ((1 - x) * p0y1[i] + x * p1y1[i])
 692                                                 + (1 - x) * ((1 - y) * ((1 - z) * p000[i] + z * p001[i])
 693                                                 + y * ((1 - z) * p010[i] + z * p011[i]))
 694                                                 + x * ((1 - y) * ((1 - z) * p100[i] + z * p101[i])
 695                                                 + y * ((1 - z) * p110[i] + z * p111[i]));
 696                                 }
 697
 698                                 SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]);
 699                                 np[ijk].node = node;
 700                                 //meshDS->SetNodeInVolume(node, TopoDS::Solid(aShape));
 701                                 meshDS->SetNodeInVolume(node, aShell);
 702                         }
 703                 }
 704         }
 705
 706   // find orientation of furute volumes according to MED convention
 707   vector< bool > forward( nbx * nby );
 708   SMDS_VolumeTool vTool;
 709   for (int i = 0; i < nbx - 1; i++)
 710     for (int j = 0; j < nby - 1; j++)
 711     {
 712       int n1 = j * nbx + i;
 713       int n2 = j * nbx + i + 1;
 714       int n3 = (j + 1) * nbx + i + 1;
 715       int n4 = (j + 1) * nbx + i;
 716       int n5 = nbx * nby + j * nbx + i;
 717       int n6 = nbx * nby + j * nbx + i + 1;
 718       int n7 = nbx * nby + (j + 1) * nbx + i + 1;
 719       int n8 = nbx * nby + (j + 1) * nbx + i;
 720
 721       SMDS_VolumeOfNodes tmpVol (np[n1].node,np[n2].node,np[n3].node,np[n4].node,
 722                                  np[n5].node,np[n6].node,np[n7].node,np[n8].node);
 723       vTool.Set( &tmpVol );
 724       forward[ n1 ] = vTool.IsForward();
 725     }
 726
 727         //2.1 - for each node of the cube (less 3 *1 Faces):
 728         //      - store hexahedron in SMESHDS
 729         MESSAGE("Storing hexahedron into the DS");
 730         for (int i = 0; i < nbx - 1; i++)
 731                 for (int j = 0; j < nby - 1; j++)
 732                 {
 733                         bool isForw = forward.at( j * nbx + i );
 734                         for (int k = 0; k < nbz - 1; k++)
 735                         {
 736                                 int n1 = k * nbx * nby + j * nbx + i;
 737                                 int n2 = k * nbx * nby + j * nbx + i + 1;
 738                                 int n3 = k * nbx * nby + (j + 1) * nbx + i + 1;
 739                                 int n4 = k * nbx * nby + (j + 1) * nbx + i;
 740                                 int n5 = (k + 1) * nbx * nby + j * nbx + i;
 741                                 int n6 = (k + 1) * nbx * nby + j * nbx + i + 1;
 742                                 int n7 = (k + 1) * nbx * nby + (j + 1) * nbx + i + 1;
 743                                 int n8 = (k + 1) * nbx * nby + (j + 1) * nbx + i;
 744
 745                                 SMDS_MeshVolume * elt;
 746                                 if ( isForw )
 747                                   elt = meshDS->AddVolume(np[n1].node,
 748                                                           np[n2].node,
 749                                                           np[n3].node,
 750                                                           np[n4].node,
 751                                                           np[n5].node,
 752                                                           np[n6].node,
 753                                                           np[n7].node,
 754                                                           np[n8].node);
 755                                 else
 756                                   elt = meshDS->AddVolume(np[n1].node,
 757                                                           np[n4].node,
 758                                                           np[n3].node,
 759                                                           np[n2].node,
 760                                                           np[n5].node,
 761                                                           np[n8].node,
 762                                                           np[n7].node,
 763                                                           np[n6].node);
 764
 765                                 meshDS->SetMeshElementOnShape(elt, aShell);
 766
 767
 768                               }
 769                       }
 770   if ( np ) delete [] np;
 771         //MESSAGE("End of StdMeshers_Hexa_3D::Compute()");
 772         return true;
 773 }
 774
 775 //=============================================================================
 776 /*!
 777  *
 778  */
 779 //=============================================================================
 780
 781 void StdMeshers_Hexa_3D::GetPoint(Pt3 p, int i, int j, int k, int nbx, int nby,
 782         int nbz, Point3DStruct * np, const SMESHDS_Mesh * meshDS)
 783 {
 784         int ijk = k * nbx * nby + j * nbx + i;
 785         const SMDS_MeshNode * node = np[ijk].node;
 786         p[0] = node->X();
 787         p[1] = node->Y();
 788         p[2] = node->Z();
 789         //MESSAGE(" "<<i<<" "<<j<<" "<<k<<" "<<p[0]<<" "<<p[1]<<" "<<p[2]);
 790 }
 791
 792 //=============================================================================
 793 /*!
 794  *
 795  */
 796 //=============================================================================
 797
 798 int StdMeshers_Hexa_3D::GetFaceIndex(SMESH_Mesh & aMesh,
 799         const TopoDS_Shape & aShape,
 800         const vector < SMESH_subMesh * >&meshFaces,
 801         const TopoDS_Vertex & V0,
 802         const TopoDS_Vertex & V1,
 803         const TopoDS_Vertex & V2, const TopoDS_Vertex & V3)
 804 {
 805         //MESSAGE("StdMeshers_Hexa_3D::GetFaceIndex");
 806         int faceIndex = -1;
 807         for (int i = 1; i < 6; i++)
 808         {
 809                 const TopoDS_Shape & aFace = meshFaces[i]->GetSubShape();
 810                 //const TopoDS_Face& F = TopoDS::Face(aFace);
 811                 TopTools_IndexedMapOfShape M;
 812                 TopExp::MapShapes(aFace, TopAbs_VERTEX, M);
 813                 bool verticesInShape = false;
 814                 if (M.Contains(V0))
 815                         if (M.Contains(V1))
 816                                 if (M.Contains(V2))
 817                                         if (M.Contains(V3))
 818                                                 verticesInShape = true;
 819                 if (verticesInShape)
 820                 {
 821                         faceIndex = i;
 822                         break;
 823                 }
 824         }
 825         ASSERT(faceIndex > 0);
 826         //SCRUTE(faceIndex);
 827         return faceIndex;
 828 }
 829
 830 //=============================================================================
 831 /*!
 832  *
 833  */
 834 //=============================================================================
 835
 836 TopoDS_Edge
 837         StdMeshers_Hexa_3D::EdgeNotInFace(SMESH_Mesh & aMesh,
 838         const TopoDS_Shape & aShape,
 839         const TopoDS_Face & aFace,
 840         const TopoDS_Vertex & aVertex,
 841         const TopTools_IndexedDataMapOfShapeListOfShape & MS)
 842 {
 843         //MESSAGE("StdMeshers_Hexa_3D::EdgeNotInFace");
 844         TopTools_IndexedDataMapOfShapeListOfShape MF;
 845         TopExp::MapShapesAndAncestors(aFace, TopAbs_VERTEX, TopAbs_EDGE, MF);
 846         const TopTools_ListOfShape & ancestorsInSolid = MS.FindFromKey(aVertex);
 847         const TopTools_ListOfShape & ancestorsInFace = MF.FindFromKey(aVertex);
 848 //      SCRUTE(ancestorsInSolid.Extent());
 849 //      SCRUTE(ancestorsInFace.Extent());
 850         ASSERT(ancestorsInSolid.Extent() == 6); // 6 (edges doublees)
 851         ASSERT(ancestorsInFace.Extent() == 2);
 852
 853         TopoDS_Edge E;
 854         E.Nullify();
 855         TopTools_ListIteratorOfListOfShape its(ancestorsInSolid);
 856         for (; its.More(); its.Next())
 857         {
 858                 TopoDS_Shape ancestor = its.Value();
 859                 TopTools_ListIteratorOfListOfShape itf(ancestorsInFace);
 860                 bool isInFace = false;
 861                 for (; itf.More(); itf.Next())
 862                 {
 863                         TopoDS_Shape ancestorInFace = itf.Value();
 864                         if (ancestorInFace.IsSame(ancestor))
 865                         {
 866                                 isInFace = true;
 867                                 break;
 868                         }
 869                 }
 870                 if (!isInFace)
 871                 {
 872                         E = TopoDS::Edge(ancestor);
 873                         break;
 874                 }
 875         }
 876         return E;
 877 }
 878
 879 //=============================================================================
 880 /*!
 881  *
 882  */
 883 //=============================================================================
 884
 885 void StdMeshers_Hexa_3D::GetConv2DCoefs(const faceQuadStruct & quad,
 886         const TopoDS_Shape & aShape,
 887         const TopoDS_Vertex & V0,
 888         const TopoDS_Vertex & V1,
 889         const TopoDS_Vertex & V2, const TopoDS_Vertex & V3, Conv2DStruct & conv)
 890 {
 891 //      MESSAGE("StdMeshers_Hexa_3D::GetConv2DCoefs");
 892         const TopoDS_Face & F = TopoDS::Face(aShape);
 893         TopoDS_Edge E = quad.edge[0];
 894         double f, l;
 895         Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 896         TopoDS_Vertex VFirst, VLast;
 897         TopExp::Vertices(E, VFirst, VLast);     // corresponds to f and l
 898         bool isForward = (((l - f) * (quad.last[0] - quad.first[0])) > 0);
 899         TopoDS_Vertex VA, VB;
 900         if (isForward)
 901         {
 902                 VA = VFirst;
 903                 VB = VLast;
 904         }
 905         else
 906         {
 907                 VA = VLast;
 908                 VB = VFirst;
 909         }
 910         int a1, b1, c1, a2, b2, c2;
 911         if (VA.IsSame(V0))
 912                 if (VB.IsSame(V1))
 913                 {
 914                         a1 = 1;
 915                         b1 = 0;
 916                         c1 = 0;                         // x
 917                         a2 = 0;
 918                         b2 = 1;
 919                         c2 = 0;                         // y
 920                 }
 921                 else
 922                 {
 923                         ASSERT(VB.IsSame(V3));
 924                         a1 = 0;
 925                         b1 = 1;
 926                         c1 = 0;                         // y
 927                         a2 = 1;
 928                         b2 = 0;
 929                         c2 = 0;                         // x
 930                 }
 931         if (VA.IsSame(V1))
 932                 if (VB.IsSame(V2))
 933                 {
 934                         a1 = 0;
 935                         b1 = -1;
 936                         c1 = 1;                         // 1-y
 937                         a2 = 1;
 938                         b2 = 0;
 939                         c2 = 0;                         // x
 940                 }
 941                 else
 942                 {
 943                         ASSERT(VB.IsSame(V0));
 944                         a1 = -1;
 945                         b1 = 0;
 946                         c1 = 1;                         // 1-x
 947                         a2 = 0;
 948                         b2 = 1;
 949                         c2 = 0;                         // y
 950                 }
 951         if (VA.IsSame(V2))
 952                 if (VB.IsSame(V3))
 953                 {
 954                         a1 = -1;
 955                         b1 = 0;
 956                         c1 = 1;                         // 1-x
 957                         a2 = 0;
 958                         b2 = -1;
 959                         c2 = 1;                         // 1-y
 960                 }
 961                 else
 962                 {
 963                         ASSERT(VB.IsSame(V1));
 964                         a1 = 0;
 965                         b1 = -1;
 966                         c1 = 1;                         // 1-y
 967                         a2 = -1;
 968                         b2 = 0;
 969                         c2 = 1;                         // 1-x
 970                 }
 971         if (VA.IsSame(V3))
 972                 if (VB.IsSame(V0))
 973                 {
 974                         a1 = 0;
 975                         b1 = 1;
 976                         c1 = 0;                         // y
 977                         a2 = -1;
 978                         b2 = 0;
 979                         c2 = 1;                         // 1-x
 980                 }
 981                 else
 982                 {
 983                         ASSERT(VB.IsSame(V2));
 984                         a1 = 1;
 985                         b1 = 0;
 986                         c1 = 0;                         // x
 987                         a2 = 0;
 988                         b2 = -1;
 989                         c2 = 1;                         // 1-y
 990                 }
 991 //      MESSAGE("X = " << c1 << "+ " << a1 << "*x + " << b1 << "*y");
 992 //      MESSAGE("Y = " << c2 << "+ " << a2 << "*x + " << b2 << "*y");
 993         conv.a1 = a1;
 994         conv.b1 = b1;
 995         conv.c1 = c1;
 996         conv.a2 = a2;
 997         conv.b2 = b2;
 998         conv.c2 = c2;
 999
1000         int nbdown = quad.nbPts[0];
1001         int nbright = quad.nbPts[1];
1002         conv.ia = int (a1);
1003         conv.ib = int (b1);
1004         conv.ic =
1005                 int (c1 * a1 * a1) * (nbdown - 1) + int (c1 * b1 * b1) * (nbright - 1);
1006         conv.ja = int (a2);
1007         conv.jb = int (b2);
1008         conv.jc =
1009                 int (c2 * a2 * a2) * (nbdown - 1) + int (c2 * b2 * b2) * (nbright - 1);
1010 //      MESSAGE("I " << conv.ia << " " << conv.ib << " " << conv.ic);
1011 //      MESSAGE("J " << conv.ja << " " << conv.jb << " " << conv.jc);
1012 }
1013
1014 //=============================================================================
1015 /*!
1016  *
1017  */
1018 //=============================================================================
1019
1020 ostream & StdMeshers_Hexa_3D::SaveTo(ostream & save)
1021 {
1022   return save;
1023 }
1024
1025 //=============================================================================
1026 /*!
1027  *
1028  */
1029 //=============================================================================
1030
1031 istream & StdMeshers_Hexa_3D::LoadFrom(istream & load)
1032 {
1033   return load;
1034 }
1035
1036 //=============================================================================
1037 /*!
1038  *
1039  */
1040 //=============================================================================
1041
1042 ostream & operator <<(ostream & save, StdMeshers_Hexa_3D & hyp)
1043 {
1044   return hyp.SaveTo( save );
1045 }
1046
1047 //=============================================================================
1048 /*!
1049  *
1050  */
1051 //=============================================================================
1052
1053 istream & operator >>(istream & load, StdMeshers_Hexa_3D & hyp)
1054 {
1055   return hyp.LoadFrom( load );
1056 }
1057
1058 //modified by NIZNHY-PKV Wed Nov 17 15:34:13 2004 f
1059 ///////////////////////////////////////////////////////////////////////////////
1060 //ZZ
1061 //#include <stdio.h>
1062
1063 //=======================================================================
1064 //function : ComputePentahedralMesh
1065 //purpose  :
1066 //=======================================================================
1067 bool ComputePentahedralMesh(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
1068 {
1069   //printf(" ComputePentahedralMesh HERE\n");
1070   //
1071   bool bOK;
1072   int iErr;
1073   StdMeshers_Penta_3D anAlgo;
1074   //
1075   bOK=anAlgo.Compute(aMesh, aShape);
1076   /*
1077   iErr=anAlgo.ErrorStatus();
1078
1079   if (iErr) {
1080     printf("  *** Error# %d\n", iErr);
1081   }
1082   else {
1083     printf("  *** No errors# %d\n", iErr);
1084   }
1085   */
1086   return bOK;
1087 }
1088