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
  41 #include <TopExp.hxx>
  42 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  43 #include <TopTools_ListOfShape.hxx>
  44 #include <TopTools_ListIteratorOfListOfShape.hxx>
  45 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  46
  47 #include <BRep_Tool.hxx>
  48 #include <Geom_Surface.hxx>
  49 #include <Geom_Curve.hxx>
  50 #include <Geom2d_Curve.hxx>
  51 #include <Handle_Geom2d_Curve.hxx>
  52 #include <Handle_Geom_Curve.hxx>
  53 #include <gp_Pnt2d.hxx>
  54
  55 #include "utilities.h"
  56 #include "Utils_ExceptHandlers.hxx"
  57
  58 //modified by NIZNHY-PKV Wed Nov 17 15:31:58 2004 f
  59 #include <StdMeshers_Penta_3D.hxx>
  60
  61 static bool ComputePentahedralMesh(SMESH_Mesh & aMesh,  const TopoDS_Shape & aShape);
  62 //modified by NIZNHY-PKV Wed Nov 17 15:32:00 2004 t
  63
  64 //=============================================================================
  65 /*!
  66  *
  67  */
  68 //=============================================================================
  69
  70 StdMeshers_Hexa_3D::StdMeshers_Hexa_3D(int hypId, int studyId,
  71         SMESH_Gen * gen):SMESH_3D_Algo(hypId, studyId, gen)
  72 {
  73         MESSAGE("StdMeshers_Hexa_3D::StdMeshers_Hexa_3D");
  74         _name = "Hexa_3D";
  75 //   _shapeType = TopAbs_SOLID;
  76         _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type
  77 //   MESSAGE("_shapeType octal " << oct << _shapeType);
  78         for (int i = 0; i < 6; i++)
  79                 _quads[i] = 0;
  80 }
  81
  82 //=============================================================================
  83 /*!
  84  *
  85  */
  86 //=============================================================================
  87
  88 StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D()
  89 {
  90         MESSAGE("StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D");
  91 }
  92
  93 //=============================================================================
  94 /*!
  95  *
  96  */
  97 //=============================================================================
  98
  99 bool StdMeshers_Hexa_3D::CheckHypothesis
 100                          (SMESH_Mesh& aMesh,
 101                           const TopoDS_Shape& aShape,
 102                           SMESH_Hypothesis::Hypothesis_Status& aStatus)
 103 {
 104         //MESSAGE("StdMeshers_Hexa_3D::CheckHypothesis");
 105
 106         bool isOk = true;
 107         aStatus = SMESH_Hypothesis::HYP_OK;
 108
 109         // nothing to check
 110
 111         return isOk;
 112 }
 113
 114 //=======================================================================
 115 //function : findIJ
 116 //purpose  : return i,j of the node
 117 //=======================================================================
 118
 119 static bool findIJ (const SMDS_MeshNode* node, const FaceQuadStruct * quad, int& I, int& J)
 120 {
 121   I = J = 0;
 122   const SMDS_FacePosition* fpos =
 123     static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
 124   if ( ! fpos ) return false;
 125   gp_Pnt2d uv( fpos->GetUParameter(), fpos->GetVParameter() );
 126
 127   double minDist = DBL_MAX;
 128   int nbhoriz  = Min(quad->nbPts[0], quad->nbPts[2]);
 129   int nbvertic = Min(quad->nbPts[1], quad->nbPts[3]);
 130   for (int i = 1; i < nbhoriz - 1; i++) {
 131     for (int j = 1; j < nbvertic - 1; j++) {
 132       int ij = j * nbhoriz + i;
 133       gp_Pnt2d uv2( quad->uv_grid[ij].u, quad->uv_grid[ij].v );
 134       double dist = uv.SquareDistance( uv2 );
 135       if ( dist < minDist ) {
 136         minDist = dist;
 137         I = i;
 138         J = j;
 139       }
 140     }
 141   }
 142   return true;
 143 }
 144
 145 //=============================================================================
 146 /*!
 147  * Hexahedron mesh on hexaedron like form
 148  * -0.  - shape and face mesh verification
 149  * -1.  - identify faces and vertices of the "cube"
 150  * -2.  - Algorithm from:
 151  * "Application de l'interpolation transfinie à la création de maillages
 152  *  C0 ou G1 continus sur des triangles, quadrangles, tetraedres, pentaedres
 153  *  et hexaedres déformés."
 154  * Alain PERONNET - 8 janvier 1999
 155  */
 156 //=============================================================================
 157
 158 bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh,
 159         const TopoDS_Shape & aShape)throw(SALOME_Exception)
 160 {
 161   Unexpect aCatch(SalomeException);
 162         MESSAGE("StdMeshers_Hexa_3D::Compute");
 163         //bool isOk = false;
 164         SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
 165         //SMESH_subMesh *theSubMesh = aMesh.GetSubMesh(aShape);
 166         //const SMESHDS_SubMesh *& subMeshDS = theSubMesh->GetSubMeshDS();
 167
 168         // 0.  - shape and face mesh verification
 169         // 0.1 - shape must be a solid (or a shell) with 6 faces
 170         MESSAGE("---");
 171
 172         vector < SMESH_subMesh * >meshFaces;
 173         for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next())
 174         {
 175                 SMESH_subMesh *aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
 176                 ASSERT(aSubMesh);
 177                 meshFaces.push_back(aSubMesh);
 178         }
 179         if (meshFaces.size() != 6)
 180         {
 181                 SCRUTE(meshFaces.size());
 182 //              ASSERT(0);
 183                 return false;
 184         }
 185
 186         // 0.2 - is each face meshed with Quadrangle_2D? (so, with a wire of 4 edges)
 187         //MESSAGE("---");
 188
 189         for (int i = 0; i < 6; i++)
 190         {
 191           TopoDS_Shape aFace = meshFaces[i]->GetSubShape();
 192           SMESH_Algo *algo = _gen->GetAlgo(aMesh, aFace);
 193           string algoName = algo->GetName();
 194           bool isAllQuad = false;
 195           if (algoName == "Quadrangle_2D") {
 196             SMESHDS_SubMesh * sm = meshDS->MeshElements( aFace );
 197             if ( sm ) {
 198               isAllQuad = true;
 199               SMDS_ElemIteratorPtr eIt = sm->GetElements();
 200               while ( isAllQuad && eIt->more() )
 201                 isAllQuad = ( eIt->next()->NbNodes() == 4 );
 202             }
 203           }
 204           if ( ! isAllQuad ) {
 205             //modified by NIZNHY-PKV Wed Nov 17 15:31:37 2004 f
 206             bool bIsOk;
 207             //
 208             bIsOk=ComputePentahedralMesh(aMesh, aShape);
 209             if (bIsOk) {
 210               return true;
 211             }
 212             //modified by NIZNHY-PKV Wed Nov 17 15:31:42 2004 t
 213             SCRUTE(algoName);
 214             //                  ASSERT(0);
 215             return false;
 216           }
 217           StdMeshers_Quadrangle_2D *quadAlgo =
 218             dynamic_cast < StdMeshers_Quadrangle_2D * >(algo);
 219           ASSERT(quadAlgo);
 220           try
 221             {
 222               _quads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aFace);
 223               // *** to delete after usage
 224             }
 225           catch(SALOME_Exception & S_ex)
 226             {
 227               // *** delete _quads
 228               // *** throw exception
 229               //                        ASSERT(0);
 230               return false;
 231             }
 232
 233           // 0.2.1 - number of points on the opposite edges must be the same
 234           if (_quads[i]->nbPts[0] != _quads[i]->nbPts[2] ||
 235               _quads[i]->nbPts[1] != _quads[i]->nbPts[3])
 236             {
 237               MESSAGE("different number of points on the opposite edges of face " << i);
 238               //                  ASSERT(0);
 239               return false;
 240             }
 241         }
 242
 243         // 1.  - identify faces and vertices of the "cube"
 244         // 1.1 - ancestor maps vertex->edges in the cube
 245         //MESSAGE("---");
 246
 247         TopTools_IndexedDataMapOfShapeListOfShape MS;
 248         TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, MS);
 249
 250         // 1.2 - first face is choosen as face Y=0 of the unit cube
 251         //MESSAGE("---");
 252
 253         const TopoDS_Shape & aFace = meshFaces[0]->GetSubShape();
 254         const TopoDS_Face & F = TopoDS::Face(aFace);
 255
 256         // 1.3 - identify the 4 vertices of the face Y=0: V000, V100, V101, V001
 257         //MESSAGE("---");
 258
 259         int i = 0;
 260         TopoDS_Edge E = _quads[0]->edge[i];     //edge will be Y=0,Z=0 on unit cube
 261         double f, l;
 262         Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 263         TopoDS_Vertex VFirst, VLast;
 264         TopExp::Vertices(E, VFirst, VLast);     // corresponds to f and l
 265         bool isForward =
 266                 (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
 267
 268         if (isForward)
 269         {
 270                 _cube.V000 = VFirst;    // will be (0,0,0) on the unit cube
 271                 _cube.V100 = VLast;             // will be (1,0,0) on the unit cube
 272         }
 273         else
 274         {
 275                 _cube.V000 = VLast;
 276                 _cube.V100 = VFirst;
 277         }
 278
 279         i = 1;
 280         E = _quads[0]->edge[i];
 281         C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 282         TopExp::Vertices(E, VFirst, VLast);
 283         isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
 284         if (isForward)
 285                 _cube.V101 = VLast;             // will be (1,0,1) on the unit cube
 286         else
 287                 _cube.V101 = VFirst;
 288
 289         i = 2;
 290         E = _quads[0]->edge[i];
 291         C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 292         TopExp::Vertices(E, VFirst, VLast);
 293         isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
 294         if (isForward)
 295                 _cube.V001 = VLast;             // will be (0,0,1) on the unit cube
 296         else
 297                 _cube.V001 = VFirst;
 298
 299         // 1.4 - find edge X=0, Z=0 (ancestor of V000 not in face Y=0)
 300         //     - find edge X=1, Z=0 (ancestor of V100 not in face Y=0)
 301         //     - find edge X=1, Z=1 (ancestor of V101 not in face Y=0)
 302         //     - find edge X=0, Z=1 (ancestor of V001 not in face Y=0)
 303         //MESSAGE("---");
 304
 305         TopoDS_Edge E_0Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V000, MS);
 306         ASSERT(!E_0Y0.IsNull());
 307
 308         TopoDS_Edge E_1Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V100, MS);
 309         ASSERT(!E_1Y0.IsNull());
 310
 311         TopoDS_Edge E_1Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V101, MS);
 312         ASSERT(!E_1Y1.IsNull());
 313
 314         TopoDS_Edge E_0Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V001, MS);
 315         ASSERT(!E_0Y1.IsNull());
 316
 317         // 1.5 - identify the 4 vertices in face Y=1: V010, V110, V111, V011
 318         //MESSAGE("---");
 319
 320         TopExp::Vertices(E_0Y0, VFirst, VLast);
 321         if (VFirst.IsSame(_cube.V000))
 322                 _cube.V010 = VLast;
 323         else
 324                 _cube.V010 = VFirst;
 325
 326         TopExp::Vertices(E_1Y0, VFirst, VLast);
 327         if (VFirst.IsSame(_cube.V100))
 328                 _cube.V110 = VLast;
 329         else
 330                 _cube.V110 = VFirst;
 331
 332         TopExp::Vertices(E_1Y1, VFirst, VLast);
 333         if (VFirst.IsSame(_cube.V101))
 334                 _cube.V111 = VLast;
 335         else
 336                 _cube.V111 = VFirst;
 337
 338         TopExp::Vertices(E_0Y1, VFirst, VLast);
 339         if (VFirst.IsSame(_cube.V001))
 340                 _cube.V011 = VLast;
 341         else
 342                 _cube.V011 = VFirst;
 343
 344         // 1.6 - find remaining faces given 4 vertices
 345         //MESSAGE("---");
 346
 347         _indY0 = 0;
 348         _cube.quad_Y0 = _quads[_indY0];
 349
 350         _indY1 = GetFaceIndex(aMesh, aShape, meshFaces,
 351                 _cube.V010, _cube.V011, _cube.V110, _cube.V111);
 352         _cube.quad_Y1 = _quads[_indY1];
 353
 354         _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces,
 355                 _cube.V000, _cube.V010, _cube.V100, _cube.V110);
 356         _cube.quad_Z0 = _quads[_indZ0];
 357
 358         _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces,
 359                 _cube.V001, _cube.V011, _cube.V101, _cube.V111);
 360         _cube.quad_Z1 = _quads[_indZ1];
 361
 362         _indX0 = GetFaceIndex(aMesh, aShape, meshFaces,
 363                 _cube.V000, _cube.V001, _cube.V010, _cube.V011);
 364         _cube.quad_X0 = _quads[_indX0];
 365
 366         _indX1 = GetFaceIndex(aMesh, aShape, meshFaces,
 367                 _cube.V100, _cube.V101, _cube.V110, _cube.V111);
 368         _cube.quad_X1 = _quads[_indX1];
 369
 370         //MESSAGE("---");
 371
 372         // 1.7 - get convertion coefs from face 2D normalized to 3D normalized
 373
 374         Conv2DStruct cx0;                       // for face X=0
 375         Conv2DStruct cx1;                       // for face X=1
 376         Conv2DStruct cy0;
 377         Conv2DStruct cy1;
 378         Conv2DStruct cz0;
 379         Conv2DStruct cz1;
 380
 381         GetConv2DCoefs(*_cube.quad_X0, meshFaces[_indX0]->GetSubShape(),
 382                 _cube.V000, _cube.V010, _cube.V011, _cube.V001, cx0);
 383         GetConv2DCoefs(*_cube.quad_X1, meshFaces[_indX1]->GetSubShape(),
 384                 _cube.V100, _cube.V110, _cube.V111, _cube.V101, cx1);
 385         GetConv2DCoefs(*_cube.quad_Y0, meshFaces[_indY0]->GetSubShape(),
 386                 _cube.V000, _cube.V100, _cube.V101, _cube.V001, cy0);
 387         GetConv2DCoefs(*_cube.quad_Y1, meshFaces[_indY1]->GetSubShape(),
 388                 _cube.V010, _cube.V110, _cube.V111, _cube.V011, cy1);
 389         GetConv2DCoefs(*_cube.quad_Z0, meshFaces[_indZ0]->GetSubShape(),
 390                 _cube.V000, _cube.V100, _cube.V110, _cube.V010, cz0);
 391         GetConv2DCoefs(*_cube.quad_Z1, meshFaces[_indZ1]->GetSubShape(),
 392                 _cube.V001, _cube.V101, _cube.V111, _cube.V011, cz1);
 393
 394         // 1.8 - create a 3D structure for normalized values
 395
 396         //MESSAGE("---");
 397         int nbx = _cube.quad_Z0->nbPts[0];
 398         if (cz0.a1 == 0.) nbx = _cube.quad_Z0->nbPts[1];
 399
 400         int nby = _cube.quad_X0->nbPts[0];
 401         if (cx0.a1 == 0.) nby = _cube.quad_X0->nbPts[1];
 402
 403         int nbz = _cube.quad_Y0->nbPts[0];
 404         if (cy0.a1 != 0.) nbz = _cube.quad_Y0->nbPts[1];
 405 //      int nbx = _cube.quad_Y0->nbPts[0];
 406 //      int nby = _cube.quad_Y0->nbPts[1];
 407 //      int nbz;
 408 //      if (cx0.a1 != 0)
 409 //              nbz = _cube.quad_X0->nbPts[1];
 410 //      else
 411 //              nbz = _cube.quad_X0->nbPts[0];
 412         //SCRUTE(nbx);
 413         //SCRUTE(nby);
 414         //SCRUTE(nbz);
 415         int i1, j1, nbxyz = nbx * nby * nbz;
 416         Point3DStruct *np = new Point3DStruct[nbxyz];
 417
 418         // 1.9 - store node indexes of faces
 419
 420         {
 421                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX0]->GetSubShape());
 422
 423                 faceQuadStruct *quad = _cube.quad_X0;
 424                 int i = 0;                              // j = x/face , k = y/face
 425                 int nbdown = quad->nbPts[0];
 426                 int nbright = quad->nbPts[1];
 427
 428
 429                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 430
 431                 while(itf->more())
 432                 {
 433                         const SMDS_MeshNode * node = itf->next();
 434                         findIJ( node, quad, i1, j1 );
 435                         int ij1 = j1 * nbdown + i1;
 436                         quad->uv_grid[ij1].node = node;
 437                 }
 438
 439                 for (int i1 = 0; i1 < nbdown; i1++)
 440                         for (int j1 = 0; j1 < nbright; j1++)
 441                         {
 442                                 int ij1 = j1 * nbdown + i1;
 443                                 int j = cx0.ia * i1 + cx0.ib * j1 + cx0.ic;     // j = x/face
 444                                 int k = cx0.ja * i1 + cx0.jb * j1 + cx0.jc;     // k = y/face
 445                                 int ijk = k * nbx * nby + j * nbx + i;
 446                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 447                                 np[ijk].node = quad->uv_grid[ij1].node;
 448                                 //SCRUTE(np[ijk].nodeId);
 449                         }
 450         }
 451
 452         {
 453                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX1]->GetSubShape());
 454
 455                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 456
 457                 faceQuadStruct *quad = _cube.quad_X1;
 458                 int i = nbx - 1;                // j = x/face , k = y/face
 459                 int nbdown = quad->nbPts[0];
 460                 int nbright = quad->nbPts[1];
 461
 462                 while(itf->more())
 463                 {
 464                         const SMDS_MeshNode * node = itf->next();
 465                         findIJ( node, quad, i1, j1 );
 466                         int ij1 = j1 * nbdown + i1;
 467                         quad->uv_grid[ij1].node = node;
 468                 }
 469
 470                 for (int i1 = 0; i1 < nbdown; i1++)
 471                         for (int j1 = 0; j1 < nbright; j1++)
 472                         {
 473                                 int ij1 = j1 * nbdown + i1;
 474                                 int j = cx1.ia * i1 + cx1.ib * j1 + cx1.ic;     // j = x/face
 475                                 int k = cx1.ja * i1 + cx1.jb * j1 + cx1.jc;     // k = y/face
 476                                 int ijk = k * nbx * nby + j * nbx + i;
 477                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 478                                 np[ijk].node = quad->uv_grid[ij1].node;
 479                                 //SCRUTE(np[ijk].nodeId);
 480                         }
 481         }
 482
 483         {
 484                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY0]->GetSubShape());
 485
 486                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 487
 488                 faceQuadStruct *quad = _cube.quad_Y0;
 489                 int j = 0;                              // i = x/face , k = y/face
 490                 int nbdown = quad->nbPts[0];
 491                 int nbright = quad->nbPts[1];
 492
 493                 while(itf->more())
 494                 {
 495                         const SMDS_MeshNode * node = itf->next();
 496                         findIJ( node, quad, i1, j1 );
 497                         int ij1 = j1 * nbdown + i1;
 498                         quad->uv_grid[ij1].node = node;
 499                 }
 500
 501                 for (int i1 = 0; i1 < nbdown; i1++)
 502                         for (int j1 = 0; j1 < nbright; j1++)
 503                         {
 504                                 int ij1 = j1 * nbdown + i1;
 505                                 int i = cy0.ia * i1 + cy0.ib * j1 + cy0.ic;     // i = x/face
 506                                 int k = cy0.ja * i1 + cy0.jb * j1 + cy0.jc;     // k = y/face
 507                                 int ijk = k * nbx * nby + j * nbx + i;
 508                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 509                                 np[ijk].node = quad->uv_grid[ij1].node;
 510                                 //SCRUTE(np[ijk].nodeId);
 511                         }
 512         }
 513
 514         {
 515                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY1]->GetSubShape());
 516
 517                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 518
 519                 faceQuadStruct *quad = _cube.quad_Y1;
 520                 int j = nby - 1;                // i = x/face , k = y/face
 521                 int nbdown = quad->nbPts[0];
 522                 int nbright = quad->nbPts[1];
 523
 524                 while(itf->more())
 525                 {
 526                         const SMDS_MeshNode * node = itf->next();
 527                         findIJ( node, quad, i1, j1 );
 528                         int ij1 = j1 * nbdown + i1;
 529                         quad->uv_grid[ij1].node = node;
 530                 }
 531
 532                 for (int i1 = 0; i1 < nbdown; i1++)
 533                         for (int j1 = 0; j1 < nbright; j1++)
 534                         {
 535                                 int ij1 = j1 * nbdown + i1;
 536                                 int i = cy1.ia * i1 + cy1.ib * j1 + cy1.ic;     // i = x/face
 537                                 int k = cy1.ja * i1 + cy1.jb * j1 + cy1.jc;     // k = y/face
 538                                 int ijk = k * nbx * nby + j * nbx + i;
 539                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 540                                 np[ijk].node = quad->uv_grid[ij1].node;
 541                                 //SCRUTE(np[ijk].nodeId);
 542                         }
 543         }
 544
 545         {
 546                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ0]->GetSubShape());
 547
 548                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 549
 550                 faceQuadStruct *quad = _cube.quad_Z0;
 551                 int k = 0;                              // i = x/face , j = y/face
 552                 int nbdown = quad->nbPts[0];
 553                 int nbright = quad->nbPts[1];
 554
 555                 while(itf->more())
 556                 {
 557                         const SMDS_MeshNode * node = itf->next();
 558                         findIJ( node, quad, i1, j1 );
 559                         int ij1 = j1 * nbdown + i1;
 560                         quad->uv_grid[ij1].node = node;
 561                 }
 562
 563                 for (int i1 = 0; i1 < nbdown; i1++)
 564                         for (int j1 = 0; j1 < nbright; j1++)
 565                         {
 566                                 int ij1 = j1 * nbdown + i1;
 567                                 int i = cz0.ia * i1 + cz0.ib * j1 + cz0.ic;     // i = x/face
 568                                 int j = cz0.ja * i1 + cz0.jb * j1 + cz0.jc;     // j = y/face
 569                                 int ijk = k * nbx * nby + j * nbx + i;
 570                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 571                                 np[ijk].node = quad->uv_grid[ij1].node;
 572                                 //SCRUTE(np[ijk].nodeId);
 573                         }
 574         }
 575
 576         {
 577                 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ1]->GetSubShape());
 578
 579                 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
 580
 581                 faceQuadStruct *quad = _cube.quad_Z1;
 582                 int k = nbz - 1;                // i = x/face , j = y/face
 583                 int nbdown = quad->nbPts[0];
 584                 int nbright = quad->nbPts[1];
 585
 586                 while(itf->more())
 587                 {
 588                         const SMDS_MeshNode * node = itf->next();
 589                         findIJ( node, quad, i1, j1 );
 590                         int ij1 = j1 * nbdown + i1;
 591                         quad->uv_grid[ij1].node = node;
 592                 }
 593
 594                 for (int i1 = 0; i1 < nbdown; i1++)
 595                         for (int j1 = 0; j1 < nbright; j1++)
 596                         {
 597                                 int ij1 = j1 * nbdown + i1;
 598                                 int i = cz1.ia * i1 + cz1.ib * j1 + cz1.ic;     // i = x/face
 599                                 int j = cz1.ja * i1 + cz1.jb * j1 + cz1.jc;     // j = y/face
 600                                 int ijk = k * nbx * nby + j * nbx + i;
 601                                 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
 602                                 np[ijk].node = quad->uv_grid[ij1].node;
 603                                 //SCRUTE(np[ijk].nodeId);
 604                         }
 605         }
 606
 607         // 2.0 - for each node of the cube:
 608         //       - get the 8 points 3D = 8 vertices of the cube
 609         //       - get the 12 points 3D on the 12 edges of the cube
 610         //       - get the 6 points 3D on the 6 faces with their ID
 611         //       - compute the point 3D
 612         //       - store the point 3D in SMESHDS, store its ID in 3D structure
 613
 614         TopoDS_Shell aShell;
 615         TopExp_Explorer exp(aShape, TopAbs_SHELL);
 616         if (exp.More())
 617         {
 618                 aShell = TopoDS::Shell(exp.Current());
 619         }
 620         else
 621         {
 622                 MESSAGE("no shell...");
 623                 ASSERT(0);
 624         }
 625
 626         Pt3 p000, p001, p010, p011, p100, p101, p110, p111;
 627         Pt3 px00, px01, px10, px11;
 628         Pt3 p0y0, p0y1, p1y0, p1y1;
 629         Pt3 p00z, p01z, p10z, p11z;
 630         Pt3 pxy0, pxy1, px0z, px1z, p0yz, p1yz;
 631
 632         GetPoint(p000, 0, 0, 0, nbx, nby, nbz, np, meshDS);
 633         GetPoint(p001, 0, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
 634         GetPoint(p010, 0, nby - 1, 0, nbx, nby, nbz, np, meshDS);
 635         GetPoint(p011, 0, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
 636         GetPoint(p100, nbx - 1, 0, 0, nbx, nby, nbz, np, meshDS);
 637         GetPoint(p101, nbx - 1, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
 638         GetPoint(p110, nbx - 1, nby - 1, 0, nbx, nby, nbz, np, meshDS);
 639         GetPoint(p111, nbx - 1, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
 640
 641         for (int i = 1; i < nbx - 1; i++)
 642         {
 643                 for (int j = 1; j < nby - 1; j++)
 644                 {
 645                         for (int k = 1; k < nbz - 1; k++)
 646                         {
 647                                 // *** seulement maillage regulier
 648                                 // 12 points on edges
 649                                 GetPoint(px00, i, 0, 0, nbx, nby, nbz, np, meshDS);
 650                                 GetPoint(px01, i, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
 651                                 GetPoint(px10, i, nby - 1, 0, nbx, nby, nbz, np, meshDS);
 652                                 GetPoint(px11, i, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
 653
 654                                 GetPoint(p0y0, 0, j, 0, nbx, nby, nbz, np, meshDS);
 655                                 GetPoint(p0y1, 0, j, nbz - 1, nbx, nby, nbz, np, meshDS);
 656                                 GetPoint(p1y0, nbx - 1, j, 0, nbx, nby, nbz, np, meshDS);
 657                                 GetPoint(p1y1, nbx - 1, j, nbz - 1, nbx, nby, nbz, np, meshDS);
 658
 659                                 GetPoint(p00z, 0, 0, k, nbx, nby, nbz, np, meshDS);
 660                                 GetPoint(p01z, 0, nby - 1, k, nbx, nby, nbz, np, meshDS);
 661                                 GetPoint(p10z, nbx - 1, 0, k, nbx, nby, nbz, np, meshDS);
 662                                 GetPoint(p11z, nbx - 1, nby - 1, k, nbx, nby, nbz, np, meshDS);
 663
 664                                 // 12 points on faces
 665                                 GetPoint(pxy0, i, j, 0, nbx, nby, nbz, np, meshDS);
 666                                 GetPoint(pxy1, i, j, nbz - 1, nbx, nby, nbz, np, meshDS);
 667                                 GetPoint(px0z, i, 0, k, nbx, nby, nbz, np, meshDS);
 668                                 GetPoint(px1z, i, nby - 1, k, nbx, nby, nbz, np, meshDS);
 669                                 GetPoint(p0yz, 0, j, k, nbx, nby, nbz, np, meshDS);
 670                                 GetPoint(p1yz, nbx - 1, j, k, nbx, nby, nbz, np, meshDS);
 671
 672                                 int ijk = k * nbx * nby + j * nbx + i;
 673                                 double x = double (i) / double (nbx - 1);       // *** seulement
 674                                 double y = double (j) / double (nby - 1);       // *** maillage
 675                                 double z = double (k) / double (nbz - 1);       // *** regulier
 676
 677                                 Pt3 X;
 678                                 for (int i = 0; i < 3; i++)
 679                                 {
 680                                         X[i] =
 681                                                 (1 - x) * p0yz[i] + x * p1yz[i]
 682                                                 + (1 - y) * px0z[i] + y * px1z[i]
 683                                                 + (1 - z) * pxy0[i] + z * pxy1[i]
 684                                                 - (1 - x) * ((1 - y) * p00z[i] + y * p01z[i])
 685                                                 - x * ((1 - y) * p10z[i] + y * p11z[i])
 686                                                 - (1 - y) * ((1 - z) * px00[i] + z * px01[i])
 687                                                 - y * ((1 - z) * px10[i] + z * px11[i])
 688                                                 - (1 - z) * ((1 - x) * p0y0[i] + x * p1y0[i])
 689                                                 - z * ((1 - x) * p0y1[i] + x * p1y1[i])
 690                                                 + (1 - x) * ((1 - y) * ((1 - z) * p000[i] + z * p001[i])
 691                                                 + y * ((1 - z) * p010[i] + z * p011[i]))
 692                                                 + x * ((1 - y) * ((1 - z) * p100[i] + z * p101[i])
 693                                                 + y * ((1 - z) * p110[i] + z * p111[i]));
 694                                 }
 695
 696                                 SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]);
 697                                 np[ijk].node = node;
 698                                 //meshDS->SetNodeInVolume(node, TopoDS::Solid(aShape));
 699                                 meshDS->SetNodeInVolume(node, aShell);
 700                         }
 701                 }
 702         }
 703
 704         //2.1 - for each node of the cube (less 3 *1 Faces):
 705         //      - store hexahedron in SMESHDS
 706         MESSAGE("Storing hexahedron into the DS");
 707         for (int i = 0; i < nbx - 1; i++)
 708                 for (int j = 0; j < nby - 1; j++)
 709                         for (int k = 0; k < nbz - 1; k++)
 710                         {
 711                                 int n1 = k * nbx * nby + j * nbx + i;
 712                                 int n2 = k * nbx * nby + j * nbx + i + 1;
 713                                 int n3 = k * nbx * nby + (j + 1) * nbx + i + 1;
 714                                 int n4 = k * nbx * nby + (j + 1) * nbx + i;
 715                                 int n5 = (k + 1) * nbx * nby + j * nbx + i;
 716                                 int n6 = (k + 1) * nbx * nby + j * nbx + i + 1;
 717                                 int n7 = (k + 1) * nbx * nby + (j + 1) * nbx + i + 1;
 718                                 int n8 = (k + 1) * nbx * nby + (j + 1) * nbx + i;
 719
 720 //    MESSAGE(" "<<n1<<" "<<n2<<" "<<n3<<" "<<n4<<" "<<n5<<" "<<n6<<" "<<n7<<" "<<n8);
 721                                 //MESSAGE(" "<<np[n1].nodeId<<" "<<np[n2].nodeId<<" "<<np[n3].nodeId<<" "<<np[n4].nodeId<<" "<<np[n5].nodeId<<" "<<np[n6].nodeId<<" "<<np[n7].nodeId<<" "<<np[n8].nodeId);
 722
 723                                 SMDS_MeshVolume * elt = meshDS->AddVolume(np[n1].node,
 724                                         np[n2].node,
 725                                         np[n3].node,
 726                                         np[n4].node,
 727                                         np[n5].node,
 728                                         np[n6].node,
 729                                         np[n7].node,
 730                                         np[n8].node);
 731                                  ;
 732                                 meshDS->SetMeshElementOnShape(elt, aShell);
 733
 734                                 // *** 5 tetrahedres ... verifier orientations,
 735                                 //     mettre en coherence &vec quadrangles-> triangles
 736                                 //     choisir afficher 1 parmi edges, face et volumes
 737 //    int tetra1 = meshDS->AddVolume(np[n1].nodeId,
 738 //                   np[n2].nodeId,
 739 //                   np[n4].nodeId,
 740 //                   np[n5].nodeId);
 741 //    int tetra2 = meshDS->AddVolume(np[n2].nodeId,
 742 //                   np[n3].nodeId,
 743 //                   np[n4].nodeId,
 744 //                   np[n7].nodeId);
 745 //    int tetra3 = meshDS->AddVolume(np[n5].nodeId,
 746 //                   np[n6].nodeId,
 747 //                   np[n7].nodeId,
 748 //                   np[n2].nodeId);
 749 //    int tetra4 = meshDS->AddVolume(np[n5].nodeId,
 750 //                   np[n7].nodeId,
 751 //                   np[n8].nodeId,
 752 //                   np[n4].nodeId);
 753 //    int tetra5 = meshDS->AddVolume(np[n5].nodeId,
 754 //                   np[n7].nodeId,
 755 //                   np[n2].nodeId,
 756 //                   np[n4].nodeId);
 757
 758                         }
 759
 760         //MESSAGE("End of StdMeshers_Hexa_3D::Compute()");
 761         return true;
 762 }
 763
 764 //=============================================================================
 765 /*!
 766  *
 767  */
 768 //=============================================================================
 769
 770 void StdMeshers_Hexa_3D::GetPoint(Pt3 p, int i, int j, int k, int nbx, int nby,
 771         int nbz, Point3DStruct * np, const SMESHDS_Mesh * meshDS)
 772 {
 773         int ijk = k * nbx * nby + j * nbx + i;
 774         const SMDS_MeshNode * node = np[ijk].node;
 775         p[0] = node->X();
 776         p[1] = node->Y();
 777         p[2] = node->Z();
 778         //MESSAGE(" "<<i<<" "<<j<<" "<<k<<" "<<p[0]<<" "<<p[1]<<" "<<p[2]);
 779 }
 780
 781 //=============================================================================
 782 /*!
 783  *
 784  */
 785 //=============================================================================
 786
 787 int StdMeshers_Hexa_3D::GetFaceIndex(SMESH_Mesh & aMesh,
 788         const TopoDS_Shape & aShape,
 789         const vector < SMESH_subMesh * >&meshFaces,
 790         const TopoDS_Vertex & V0,
 791         const TopoDS_Vertex & V1,
 792         const TopoDS_Vertex & V2, const TopoDS_Vertex & V3)
 793 {
 794         //MESSAGE("StdMeshers_Hexa_3D::GetFaceIndex");
 795         int faceIndex = -1;
 796         for (int i = 1; i < 6; i++)
 797         {
 798                 const TopoDS_Shape & aFace = meshFaces[i]->GetSubShape();
 799                 //const TopoDS_Face& F = TopoDS::Face(aFace);
 800                 TopTools_IndexedMapOfShape M;
 801                 TopExp::MapShapes(aFace, TopAbs_VERTEX, M);
 802                 bool verticesInShape = false;
 803                 if (M.Contains(V0))
 804                         if (M.Contains(V1))
 805                                 if (M.Contains(V2))
 806                                         if (M.Contains(V3))
 807                                                 verticesInShape = true;
 808                 if (verticesInShape)
 809                 {
 810                         faceIndex = i;
 811                         break;
 812                 }
 813         }
 814         ASSERT(faceIndex > 0);
 815         //SCRUTE(faceIndex);
 816         return faceIndex;
 817 }
 818
 819 //=============================================================================
 820 /*!
 821  *
 822  */
 823 //=============================================================================
 824
 825 TopoDS_Edge
 826         StdMeshers_Hexa_3D::EdgeNotInFace(SMESH_Mesh & aMesh,
 827         const TopoDS_Shape & aShape,
 828         const TopoDS_Face & aFace,
 829         const TopoDS_Vertex & aVertex,
 830         const TopTools_IndexedDataMapOfShapeListOfShape & MS)
 831 {
 832         //MESSAGE("StdMeshers_Hexa_3D::EdgeNotInFace");
 833         TopTools_IndexedDataMapOfShapeListOfShape MF;
 834         TopExp::MapShapesAndAncestors(aFace, TopAbs_VERTEX, TopAbs_EDGE, MF);
 835         const TopTools_ListOfShape & ancestorsInSolid = MS.FindFromKey(aVertex);
 836         const TopTools_ListOfShape & ancestorsInFace = MF.FindFromKey(aVertex);
 837 //      SCRUTE(ancestorsInSolid.Extent());
 838 //      SCRUTE(ancestorsInFace.Extent());
 839         ASSERT(ancestorsInSolid.Extent() == 6); // 6 (edges doublees)
 840         ASSERT(ancestorsInFace.Extent() == 2);
 841
 842         TopoDS_Edge E;
 843         E.Nullify();
 844         TopTools_ListIteratorOfListOfShape its(ancestorsInSolid);
 845         for (; its.More(); its.Next())
 846         {
 847                 TopoDS_Shape ancestor = its.Value();
 848                 TopTools_ListIteratorOfListOfShape itf(ancestorsInFace);
 849                 bool isInFace = false;
 850                 for (; itf.More(); itf.Next())
 851                 {
 852                         TopoDS_Shape ancestorInFace = itf.Value();
 853                         if (ancestorInFace.IsSame(ancestor))
 854                         {
 855                                 isInFace = true;
 856                                 break;
 857                         }
 858                 }
 859                 if (!isInFace)
 860                 {
 861                         E = TopoDS::Edge(ancestor);
 862                         break;
 863                 }
 864         }
 865         return E;
 866 }
 867
 868 //=============================================================================
 869 /*!
 870  *
 871  */
 872 //=============================================================================
 873
 874 void StdMeshers_Hexa_3D::GetConv2DCoefs(const faceQuadStruct & quad,
 875         const TopoDS_Shape & aShape,
 876         const TopoDS_Vertex & V0,
 877         const TopoDS_Vertex & V1,
 878         const TopoDS_Vertex & V2, const TopoDS_Vertex & V3, Conv2DStruct & conv)
 879 {
 880 //      MESSAGE("StdMeshers_Hexa_3D::GetConv2DCoefs");
 881         const TopoDS_Face & F = TopoDS::Face(aShape);
 882         TopoDS_Edge E = quad.edge[0];
 883         double f, l;
 884         Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
 885         TopoDS_Vertex VFirst, VLast;
 886         TopExp::Vertices(E, VFirst, VLast);     // corresponds to f and l
 887         bool isForward = (((l - f) * (quad.last[0] - quad.first[0])) > 0);
 888         TopoDS_Vertex VA, VB;
 889         if (isForward)
 890         {
 891                 VA = VFirst;
 892                 VB = VLast;
 893         }
 894         else
 895         {
 896                 VA = VLast;
 897                 VB = VFirst;
 898         }
 899         int a1, b1, c1, a2, b2, c2;
 900         if (VA.IsSame(V0))
 901                 if (VB.IsSame(V1))
 902                 {
 903                         a1 = 1;
 904                         b1 = 0;
 905                         c1 = 0;                         // x
 906                         a2 = 0;
 907                         b2 = 1;
 908                         c2 = 0;                         // y
 909                 }
 910                 else
 911                 {
 912                         ASSERT(VB.IsSame(V3));
 913                         a1 = 0;
 914                         b1 = 1;
 915                         c1 = 0;                         // y
 916                         a2 = 1;
 917                         b2 = 0;
 918                         c2 = 0;                         // x
 919                 }
 920         if (VA.IsSame(V1))
 921                 if (VB.IsSame(V2))
 922                 {
 923                         a1 = 0;
 924                         b1 = -1;
 925                         c1 = 1;                         // 1-y
 926                         a2 = 1;
 927                         b2 = 0;
 928                         c2 = 0;                         // x
 929                 }
 930                 else
 931                 {
 932                         ASSERT(VB.IsSame(V0));
 933                         a1 = -1;
 934                         b1 = 0;
 935                         c1 = 1;                         // 1-x
 936                         a2 = 0;
 937                         b2 = 1;
 938                         c2 = 0;                         // y
 939                 }
 940         if (VA.IsSame(V2))
 941                 if (VB.IsSame(V3))
 942                 {
 943                         a1 = -1;
 944                         b1 = 0;
 945                         c1 = 1;                         // 1-x
 946                         a2 = 0;
 947                         b2 = -1;
 948                         c2 = 1;                         // 1-y
 949                 }
 950                 else
 951                 {
 952                         ASSERT(VB.IsSame(V1));
 953                         a1 = 0;
 954                         b1 = -1;
 955                         c1 = 1;                         // 1-y
 956                         a2 = -1;
 957                         b2 = 0;
 958                         c2 = 1;                         // 1-x
 959                 }
 960         if (VA.IsSame(V3))
 961                 if (VB.IsSame(V0))
 962                 {
 963                         a1 = 0;
 964                         b1 = 1;
 965                         c1 = 0;                         // y
 966                         a2 = -1;
 967                         b2 = 0;
 968                         c2 = 1;                         // 1-x
 969                 }
 970                 else
 971                 {
 972                         ASSERT(VB.IsSame(V2));
 973                         a1 = 1;
 974                         b1 = 0;
 975                         c1 = 0;                         // x
 976                         a2 = 0;
 977                         b2 = -1;
 978                         c2 = 1;                         // 1-y
 979                 }
 980 //      MESSAGE("X = " << c1 << "+ " << a1 << "*x + " << b1 << "*y");
 981 //      MESSAGE("Y = " << c2 << "+ " << a2 << "*x + " << b2 << "*y");
 982         conv.a1 = a1;
 983         conv.b1 = b1;
 984         conv.c1 = c1;
 985         conv.a2 = a2;
 986         conv.b2 = b2;
 987         conv.c2 = c2;
 988
 989         int nbdown = quad.nbPts[0];
 990         int nbright = quad.nbPts[1];
 991         conv.ia = int (a1);
 992         conv.ib = int (b1);
 993         conv.ic =
 994                 int (c1 * a1 * a1) * (nbdown - 1) + int (c1 * b1 * b1) * (nbright - 1);
 995         conv.ja = int (a2);
 996         conv.jb = int (b2);
 997         conv.jc =
 998                 int (c2 * a2 * a2) * (nbdown - 1) + int (c2 * b2 * b2) * (nbright - 1);
 999 //      MESSAGE("I " << conv.ia << " " << conv.ib << " " << conv.ic);
1000 //      MESSAGE("J " << conv.ja << " " << conv.jb << " " << conv.jc);
1001 }
1002
1003 //=============================================================================
1004 /*!
1005  *
1006  */
1007 //=============================================================================
1008
1009 ostream & StdMeshers_Hexa_3D::SaveTo(ostream & save)
1010 {
1011   return save;
1012 }
1013
1014 //=============================================================================
1015 /*!
1016  *
1017  */
1018 //=============================================================================
1019
1020 istream & StdMeshers_Hexa_3D::LoadFrom(istream & load)
1021 {
1022   return load;
1023 }
1024
1025 //=============================================================================
1026 /*!
1027  *
1028  */
1029 //=============================================================================
1030
1031 ostream & operator <<(ostream & save, StdMeshers_Hexa_3D & hyp)
1032 {
1033   return hyp.SaveTo( save );
1034 }
1035
1036 //=============================================================================
1037 /*!
1038  *
1039  */
1040 //=============================================================================
1041
1042 istream & operator >>(istream & load, StdMeshers_Hexa_3D & hyp)
1043 {
1044   return hyp.LoadFrom( load );
1045 }
1046
1047 //modified by NIZNHY-PKV Wed Nov 17 15:34:13 2004 f
1048 ///////////////////////////////////////////////////////////////////////////////
1049 //ZZ
1050 //#include <stdio.h>
1051
1052 //=======================================================================
1053 //function : ComputePentahedralMesh
1054 //purpose  :
1055 //=======================================================================
1056 bool ComputePentahedralMesh(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)
1057 {
1058   //printf(" ComputePentahedralMesh HERE\n");
1059   //
1060   bool bOK;
1061   int iErr;
1062   StdMeshers_Penta_3D anAlgo;
1063   //
1064   bOK=anAlgo.Compute(aMesh, aShape);
1065   /*
1066   iErr=anAlgo.ErrorStatus();
1067
1068   if (iErr) {
1069     printf("  *** Error# %d\n", iErr);
1070   }
1071   else {
1072     printf("  *** No errors# %d\n", iErr);
1073   }
1074   */
1075   return bOK;
1076 }
1077