#include "StdMeshers_Penta_3D.hxx"
#include "StdMeshers_Prism_3D.hxx"
#include "StdMeshers_Quadrangle_2D.hxx"
+#include "StdMeshers_ViscousLayers.hxx"
+#include "SMESH_Comment.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
+#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMesh.hxx"
-#include "SMESH_Comment.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
using namespace std;
static SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh &,
- const TopoDS_Shape &);
+ const TopoDS_Shape &,
+ SMESH_ProxyMesh* proxyMesh=0);
static bool EvaluatePentahedralMesh(SMESH_Mesh &, const TopoDS_Shape &,
MapShapeNbElems &);
//=============================================================================
/*!
- *
+ * Constructor
*/
//=============================================================================
_name = "Hexa_3D";
_shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type
_requireShape = false;
+ _compatibleHypothesis.push_back("ViscousLayers");
}
//=============================================================================
/*!
- *
+ * Destructor
*/
//=============================================================================
MESSAGE("StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D");
}
-//================================================================================
-/*!
- * \brief Clear fields and return the argument
- * \param res - the value to return
- * \retval bool - the argument value
- */
-//================================================================================
-
-bool StdMeshers_Hexa_3D::ClearAndReturn(FaceQuadStruct* theQuads[6], const bool res)
-{
- for (int i = 0; i < 6; i++) {
- delete theQuads[i];
- theQuads[i] = NULL;
- }
- return res;
-}
-
-
//=============================================================================
/*!
- *
+ * Retrieves defined hypotheses
*/
//=============================================================================
if ( nbFaces != 6 )
return false;
*/
- aStatus = SMESH_Hypothesis::HYP_OK;
- return true;
-}
-//=======================================================================
-//function : isCloser
-//purpose :
-//=======================================================================
+ _viscousLayersHyp = NULL;
-inline bool isCloser(const int i, const int j, const int nbhoriz,
- const FaceQuadStruct* quad, const gp_Pnt2d uv,
- double & minDist)
-{
- int ij = j * nbhoriz + i;
- gp_Pnt2d uv2( quad->uv_grid[ij].u, quad->uv_grid[ij].v );
- double dist = uv.SquareDistance( uv2 );
- if ( dist < minDist ) {
- minDist = dist;
+ const list<const SMESHDS_Hypothesis*>& hyps =
+ GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliary=*/false);
+ list <const SMESHDS_Hypothesis* >::const_iterator h = hyps.begin();
+ if ( h == hyps.end())
+ {
+ aStatus = SMESH_Hypothesis::HYP_OK;
return true;
}
- return false;
-}
-//=======================================================================
-//function : findIJ
-//purpose : return i,j of the node
-//=======================================================================
+ aStatus = HYP_OK;
+ for ( ; h != hyps.end(); ++h )
+ {
+ string hypName = (*h)->GetName();
+ if ( find( _compatibleHypothesis.begin(),_compatibleHypothesis.end(),hypName )
+ != _compatibleHypothesis.end() )
+ {
+ _viscousLayersHyp = dynamic_cast< const StdMeshers_ViscousLayers*> ( *h );
+ }
+ else
+ {
+ aStatus = HYP_INCOMPATIBLE;
+ }
+ }
+
+ if ( !_viscousLayersHyp )
+ aStatus = HYP_INCOMPATIBLE;
-static bool findIJ (const SMDS_MeshNode* node, const FaceQuadStruct * quad, int& I, int& J)
+ return aStatus == HYP_OK;
+}
+
+namespace
{
- const SMDS_FacePosition* fpos =
- static_cast<const SMDS_FacePosition*>(node->GetPosition());
- if ( ! fpos ) return false;
- gp_Pnt2d uv( fpos->GetUParameter(), fpos->GetVParameter() );
-
- double minDist = DBL_MAX;
- const int nbhoriz = quad->side[0]->NbPoints();
- const int nbvertic = quad->side[1]->NbPoints();
- I = nbhoriz/2; J = nbvertic/2;
- int oldI, oldJ;
- do {
- oldI = I; oldJ = J;
- while ( I + 2 < nbhoriz && isCloser( I + 1, J, nbhoriz, quad, uv, minDist ))
- I += 1;
- if ( I == oldI )
- while ( I - 1 > 0 && isCloser( I - 1, J, nbhoriz, quad, uv, minDist ))
- I -= 1;
- if ( minDist < DBL_MIN )
- break;
+ //=============================================================================
+
+ // symbolic names of box sides
+ enum EBoxSides{ B_BOTTOM=0, B_RIGHT, B_TOP, B_LEFT, B_FRONT, B_BACK, B_NB_SIDES };
+
+ // indices of FACE's of box sides in terms of SMESH_Block::TShapeID enum
+ enum ESideIndex{ I_BOTTOM = SMESH_Block::ID_Fxy0,
+ I_RIGHT = SMESH_Block::ID_F1yz,
+ I_TOP = SMESH_Block::ID_Fxy1,
+ I_LEFT = SMESH_Block::ID_F0yz,
+ I_FRONT = SMESH_Block::ID_Fx0z,
+ I_BACK = SMESH_Block::ID_Fx1z,
+ I_UNDEFINED = SMESH_Block::ID_NONE
+ };
+ //=============================================================================
+ /*!
+ * \brief Container of nodes of structured mesh on a qudrangular geom FACE
+ */
+ struct _FaceGrid
+ {
+ // map of (node parameter on EDGE) to (column (vector) of nodes)
+ TParam2ColumnMap _u2nodesMap;
- while ( J + 2 < nbvertic && isCloser( I, J + 1, nbhoriz, quad, uv, minDist ))
- J += 1;
- if ( J == oldJ )
- while ( J - 1 > 0 && isCloser( I, J - 1, nbhoriz, quad, uv, minDist ))
- J -= 1;
- if ( minDist < DBL_MIN )
- break;
+ // node column's taken form _u2nodesMap taking into account sub-shape orientation
+ vector<TNodeColumn> _columns;
- } while ( I != oldI || J != oldJ );
+ // geometry of a cube side
+ TopoDS_Face _sideF;
+ TopoDS_Edge _baseE;
- if ( minDist > DBL_MIN ) {
- for (int i = 1; i < nbhoriz - 1; i++)
- for (int j = 1; j < nbvertic - 1; j++)
- if ( isCloser( i, j, nbhoriz, quad, uv, minDist ))
- I = i, J = j;
- }
- return true;
-}
+ const SMDS_MeshNode* GetNode(int iCol, int iRow) const
+ {
+ return _columns[iCol][iRow];
+ }
+ gp_XYZ GetXYZ(int iCol, int iRow) const
+ {
+ return SMESH_MeshEditor::TNodeXYZ( GetNode( iCol, iRow ));
+ }
+ };
+ //================================================================================
+ /*!
+ * \brief Convertor of a pair of integers to a sole index
+ */
+ struct _Indexer
+ {
+ int _xSize, _ySize;
+ _Indexer( int xSize, int ySize ): _xSize(xSize), _ySize(ySize) {}
+ int size() const { return _xSize * _ySize; }
+ int operator()(const int x, const int y) const { return y * _xSize + x; }
+ };
+}
//=============================================================================
/*!
- * Hexahedron mesh on hexaedron like form
- * -0. - shape and face mesh verification
- * -1. - identify faces and vertices of the "cube"
- * -2. - Algorithm from:
- * "Application de l'interpolation transfinie a la creation de maillages
+ * Generates hexahedron mesh on hexaedron like form using algorithm from
+ * "Application de l'interpolation transfinie à la création de maillages
* C0 ou G1 continus sur des triangles, quadrangles, tetraedres, pentaedres
- * et hexaedres deformes."
+ * et hexaedres déformés."
* Alain PERONNET - 8 janvier 1999
*/
//=============================================================================
MESSAGE("StdMeshers_Hexa_3D::Compute");
SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
- // 0. - shape and face mesh verification
- // 0.1 - shape must be a solid (or a shell) with 6 faces
-
- vector < SMESH_subMesh * >meshFaces;
- for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
- SMESH_subMesh *aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
- ASSERT(aSubMesh);
- meshFaces.push_back(aSubMesh);
- }
- if (meshFaces.size() != 6) {
- //return error(COMPERR_BAD_SHAPE, TComm(meshFaces.size())<<" instead of 6 faces in a block");
- static StdMeshers_CompositeHexa_3D compositeHexa(-10, 0, aMesh.GetGen());
+ // 1) Shape verification
+ // ----------------------
+
+ // shape must be a solid (or a shell) with 6 faces
+ TopoDS_Shell shell;
+ TopExp_Explorer exp(aShape,TopAbs_SHELL);
+ if ( !exp.More() )
+ return error(COMPERR_BAD_SHAPE, "No SHELL in the geometry");
+ shell = TopoDS::Shell( exp.Current());
+ if ( exp.Next(), exp.More() )
+ return error(COMPERR_BAD_SHAPE, "More than one SHELL in the geometry");
+
+ TopTools_IndexedMapOfShape FF;
+ TopExp::MapShapes( shell, TopAbs_FACE, FF);
+ if ( FF.Extent() != 6)
+ {
+ static StdMeshers_CompositeHexa_3D compositeHexa(_gen->GetANewId(), 0, _gen);
if ( !compositeHexa.Compute( aMesh, aShape ))
return error( compositeHexa.GetComputeError() );
return true;
}
- // 0.2 - is each face meshed with Quadrangle_2D? (so, with a wire of 4 edges)
+ // Find sub-shapes of a cube
+ TopTools_IndexedMapOfOrientedShape cubeSubShapes;
+ TopoDS_Vertex V;
+ if ( !SMESH_Block::FindBlockShapes( shell, V,V, cubeSubShapes ))
+ return error(COMPERR_BAD_SHAPE, "Not a 6 sides cube");
- // tool for working with quadratic elements
- SMESH_MesherHelper aTool (aMesh);
- _quadraticMesh = aTool.IsQuadraticSubMesh(aShape);
+ // 2) make viscous layers
- // cube structure
- typedef struct cubeStruct
- {
- TopoDS_Vertex V000;
- TopoDS_Vertex V001;
- TopoDS_Vertex V010;
- TopoDS_Vertex V011;
- TopoDS_Vertex V100;
- TopoDS_Vertex V101;
- TopoDS_Vertex V110;
- TopoDS_Vertex V111;
- faceQuadStruct* quad_X0;
- faceQuadStruct* quad_X1;
- faceQuadStruct* quad_Y0;
- faceQuadStruct* quad_Y1;
- faceQuadStruct* quad_Z0;
- faceQuadStruct* quad_Z1;
- Point3DStruct* np; // normalised 3D coordinates
- } CubeStruct;
-
- CubeStruct aCube;
-
- // bounding faces
- FaceQuadStruct* aQuads[6];
- for (int i = 0; i < 6; i++)
- aQuads[i] = 0;
-
- for (int i = 0; i < 6; i++)
+ SMESH_ProxyMesh::Ptr proxymesh;
+ if ( _viscousLayersHyp )
{
- TopoDS_Shape aFace = meshFaces[i]->GetSubShape();
- SMESH_Algo *algo = _gen->GetAlgo(aMesh, aFace);
- string algoName = algo->GetName();
- bool isAllQuad = false;
- if (algoName == "Quadrangle_2D") {
- SMESHDS_SubMesh * sm = meshDS->MeshElements( aFace );
- if ( sm ) {
- isAllQuad = true;
- SMDS_ElemIteratorPtr eIt = sm->GetElements();
- while ( isAllQuad && eIt->more() ) {
- const SMDS_MeshElement* elem = eIt->next();
- isAllQuad = ( elem->NbNodes()==4 ||(_quadraticMesh && elem->NbNodes()==8) );
- }
- }
- }
- if ( ! isAllQuad ) {
- SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape);
- return ClearAndReturn( aQuads, error(err));
- }
- StdMeshers_Quadrangle_2D *quadAlgo =
- dynamic_cast < StdMeshers_Quadrangle_2D * >(algo);
- ASSERT(quadAlgo);
- try {
- aQuads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aFace, _quadraticMesh);
- if(!aQuads[i]) {
- return error( quadAlgo->GetComputeError());
- }
- }
- catch(SALOME_Exception & S_ex) {
- return ClearAndReturn( aQuads, error(COMPERR_SLM_EXCEPTION,TComm(S_ex.what()) <<
- " Raised by StdMeshers_Quadrangle_2D "
- " on face #" << meshDS->ShapeToIndex( aFace )));
- }
-
- // 0.2.1 - number of points on the opposite edges must be the same
- if (aQuads[i]->side[0]->NbPoints() != aQuads[i]->side[2]->NbPoints() ||
- aQuads[i]->side[1]->NbPoints() != aQuads[i]->side[3]->NbPoints()
- /*aQuads[i]->side[0]->NbEdges() != 1 ||
- aQuads[i]->side[1]->NbEdges() != 1 ||
- aQuads[i]->side[2]->NbEdges() != 1 ||
- aQuads[i]->side[3]->NbEdges() != 1*/) {
- MESSAGE("different number of points on the opposite edges of face " << i);
- // Try to go into penta algorithm 'cause it has been improved.
- SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape);
- return ClearAndReturn( aQuads, error(err));
- }
+ proxymesh = _viscousLayersHyp->Compute( aMesh, aShape, /*makeN2NMap=*/ true );
+ if ( !proxymesh )
+ return false;
}
- // 1. - identify faces and vertices of the "cube"
- // 1.1 - ancestor maps vertex->edges in the cube
-
-// TopTools_IndexedDataMapOfShapeListOfShape MS;
-// TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, MS);
-
- // 1.2 - first face is choosen as face Y=0 of the unit cube
-
- const TopoDS_Shape & aFace = meshFaces[0]->GetSubShape();
- //const TopoDS_Face & F = TopoDS::Face(aFace);
-
- // 1.3 - identify the 4 vertices of the face Y=0: V000, V100, V101, V001
-
- aCube.V000 = aQuads[0]->side[0]->FirstVertex(); // will be (0,0,0) on the unit cube
- aCube.V100 = aQuads[0]->side[0]->LastVertex(); // will be (1,0,0) on the unit cube
- aCube.V001 = aQuads[0]->side[2]->FirstVertex(); // will be (0,0,1) on the unit cube
- aCube.V101 = aQuads[0]->side[2]->LastVertex(); // will be (1,0,1) on the unit cube
-
- TopTools_IndexedMapOfShape MV0;
- TopExp::MapShapes(aFace, TopAbs_VERTEX, MV0);
-
- aCube.V010 = OppositeVertex( aCube.V000, MV0, aQuads);
- aCube.V110 = OppositeVertex( aCube.V100, MV0, aQuads);
- aCube.V011 = OppositeVertex( aCube.V001, MV0, aQuads);
- aCube.V111 = OppositeVertex( aCube.V101, MV0, aQuads);
-
- // 1.6 - find remaining faces given 4 vertices
-
- int _indY0 = 0;
- int _indY1 = GetFaceIndex(aMesh, aShape, meshFaces,
- aCube.V010, aCube.V011, aCube.V110, aCube.V111);
- int _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces,
- aCube.V000, aCube.V010, aCube.V100, aCube.V110);
- int _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces,
- aCube.V001, aCube.V011, aCube.V101, aCube.V111);
- int _indX0 = GetFaceIndex(aMesh, aShape, meshFaces,
- aCube.V000, aCube.V001, aCube.V010, aCube.V011);
- int _indX1 = GetFaceIndex(aMesh, aShape, meshFaces,
- aCube.V100, aCube.V101, aCube.V110, aCube.V111);
-
- // IPAL21120: SIGSEGV on Meshing attached Compound with Automatic Hexadralization
- if ( _indY1 < 1 || _indZ0 < 1 || _indZ1 < 1 || _indX0 < 1 || _indX1 < 1 )
- return error(COMPERR_BAD_SHAPE);
-
- aCube.quad_Y0 = aQuads[_indY0];
- aCube.quad_Y1 = aQuads[_indY1];
- aCube.quad_Z0 = aQuads[_indZ0];
- aCube.quad_Z1 = aQuads[_indZ1];
- aCube.quad_X0 = aQuads[_indX0];
- aCube.quad_X1 = aQuads[_indX1];
-
- // 1.7 - get convertion coefs from face 2D normalized to 3D normalized
-
- Conv2DStruct cx0; // for face X=0
- Conv2DStruct cx1; // for face X=1
- Conv2DStruct cy0;
- Conv2DStruct cy1;
- Conv2DStruct cz0;
- Conv2DStruct cz1;
-
- GetConv2DCoefs(*aCube.quad_X0, meshFaces[_indX0]->GetSubShape(),
- aCube.V000, aCube.V010, aCube.V011, aCube.V001, cx0);
- GetConv2DCoefs(*aCube.quad_X1, meshFaces[_indX1]->GetSubShape(),
- aCube.V100, aCube.V110, aCube.V111, aCube.V101, cx1);
- GetConv2DCoefs(*aCube.quad_Y0, meshFaces[_indY0]->GetSubShape(),
- aCube.V000, aCube.V100, aCube.V101, aCube.V001, cy0);
- GetConv2DCoefs(*aCube.quad_Y1, meshFaces[_indY1]->GetSubShape(),
- aCube.V010, aCube.V110, aCube.V111, aCube.V011, cy1);
- GetConv2DCoefs(*aCube.quad_Z0, meshFaces[_indZ0]->GetSubShape(),
- aCube.V000, aCube.V100, aCube.V110, aCube.V010, cz0);
- GetConv2DCoefs(*aCube.quad_Z1, meshFaces[_indZ1]->GetSubShape(),
- aCube.V001, aCube.V101, aCube.V111, aCube.V011, cz1);
-
- // 1.8 - create a 3D structure for normalized values
-
- int nbx = aCube.quad_Z0->side[0]->NbPoints();
- if (cz0.a1 == 0.) nbx = aCube.quad_Z0->side[1]->NbPoints();
-
- int nby = aCube.quad_X0->side[0]->NbPoints();
- if (cx0.a1 == 0.) nby = aCube.quad_X0->side[1]->NbPoints();
-
- int nbz = aCube.quad_Y0->side[0]->NbPoints();
- if (cy0.a1 != 0.) nbz = aCube.quad_Y0->side[1]->NbPoints();
-
- int i1, j1, nbxyz = nbx * nby * nbz;
- Point3DStruct *np = new Point3DStruct[nbxyz];
-
- aMesh.GetMeshDS()->incrementNodesCapacity(nbx * nby * nbz);
- aMesh.GetMeshDS()->incrementCellsCapacity((nbx-1) * (nby-1) * (nbz-1));
+ // 3) Check presence of regular grid mesh on FACEs of the cube
+ // ------------------------------------------------------------
- // 1.9 - store node indexes of faces
+ // indices of FACEs of cube sides within cubeSubShapes
+ const int sideIndex[6] = { I_BOTTOM, I_RIGHT, I_TOP, I_LEFT, I_FRONT, I_BACK };
+ // indices of base EDGEs of cube sides within cubeSubShapes, corresponding to sideIndex
+ const int baseEdgeIndex[6] = {
+ SMESH_Block::ID_Ex00, // bottom side
+ SMESH_Block::ID_E1y0, // right side
+ SMESH_Block::ID_Ex01, // top side
+ SMESH_Block::ID_E0y0, // left side
+ SMESH_Block::ID_Ex00, // front side
+ SMESH_Block::ID_Ex10 // back side
+ };
- {
- const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX0]->GetSubShape());
-
- faceQuadStruct *quad = aCube.quad_X0;
- int i = 0; // j = x/face , k = y/face
- int nbdown = quad->side[0]->NbPoints();
- int nbright = quad->side[1]->NbPoints();
-
- SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
-
- while(itf->more()) {
- const SMDS_MeshNode * node = itf->next();
- if(aTool.IsMedium(node))
- continue;
- if ( !findIJ( node, quad, i1, j1 ))
- return ClearAndReturn( aQuads, false );
- int ij1 = j1 * nbdown + i1;
- quad->uv_grid[ij1].node = node;
- }
+ // Load mesh of cube sides
- for (int i1 = 0; i1 < nbdown; i1++)
- for (int j1 = 0; j1 < nbright; j1++) {
- int ij1 = j1 * nbdown + i1;
- int j = cx0.ia * i1 + cx0.ib * j1 + cx0.ic; // j = x/face
- int k = cx0.ja * i1 + cx0.jb * j1 + cx0.jc; // k = y/face
- int ijk = k * nbx * nby + j * nbx + i;
- //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
- np[ijk].node = quad->uv_grid[ij1].node;
- //SCRUTE(np[ijk].nodeId);
- }
- }
+ _FaceGrid aCubeSide[ 6 ] ;
- {
- const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX1]->GetSubShape());
-
- SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
-
- faceQuadStruct *quad = aCube.quad_X1;
- int i = nbx - 1; // j = x/face , k = y/face
- int nbdown = quad->side[0]->NbPoints();
- int nbright = quad->side[1]->NbPoints();
-
- while(itf->more()) {
- const SMDS_MeshNode * node = itf->next();
- if(aTool.IsMedium(node))
- continue;
- if ( !findIJ( node, quad, i1, j1 ))
- return ClearAndReturn( aQuads, false );
- int ij1 = j1 * nbdown + i1;
- quad->uv_grid[ij1].node = node;
- }
+ // tool creating quadratic elements if needed
+ SMESH_MesherHelper helper (aMesh);
+ _quadraticMesh = helper.IsQuadraticSubMesh(aShape);
- for (int i1 = 0; i1 < nbdown; i1++)
- for (int j1 = 0; j1 < nbright; j1++) {
- int ij1 = j1 * nbdown + i1;
- int j = cx1.ia * i1 + cx1.ib * j1 + cx1.ic; // j = x/face
- int k = cx1.ja * i1 + cx1.jb * j1 + cx1.jc; // k = y/face
- int ijk = k * nbx * nby + j * nbx + i;
- //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
- np[ijk].node = quad->uv_grid[ij1].node;
- //SCRUTE(np[ijk].nodeId);
+ for ( int i = 0; i < 6; ++i )
+ {
+ aCubeSide[i]._sideF = TopoDS::Face( cubeSubShapes( sideIndex[i] ));
+ aCubeSide[i]._baseE = TopoDS::Edge( cubeSubShapes( baseEdgeIndex[i] ));
+
+ // assure correctness of node positions on _baseE
+ if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( aCubeSide[i]._baseE ))
+ {
+ bool ok;
+ helper.SetSubShape( aCubeSide[i]._baseE );
+ SMDS_ElemIteratorPtr eIt = smDS->GetElements();
+ while ( eIt->more() )
+ {
+ const SMDS_MeshElement* e = eIt->next();
+ helper.GetNodeU( aCubeSide[i]._baseE, e->GetNode(0), e->GetNode(1), &ok);
+ helper.GetNodeU( aCubeSide[i]._baseE, e->GetNode(1), e->GetNode(0), &ok);
}
- }
+ }
- {
- const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY0]->GetSubShape());
-
- SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
-
- faceQuadStruct *quad = aCube.quad_Y0;
- int j = 0; // i = x/face , k = y/face
- int nbdown = quad->side[0]->NbPoints();
- int nbright = quad->side[1]->NbPoints();
-
- while(itf->more()) {
- const SMDS_MeshNode * node = itf->next();
- if(aTool.IsMedium(node))
- continue;
- if ( !findIJ( node, quad, i1, j1 ))
- return ClearAndReturn( aQuads, false );
- int ij1 = j1 * nbdown + i1;
- quad->uv_grid[ij1].node = node;
+ // load grid
+ if ( !helper.LoadNodeColumns( aCubeSide[i]._u2nodesMap,
+ aCubeSide[i]._sideF,
+ aCubeSide[i]._baseE, meshDS, proxymesh.get() ))
+ {
+ SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape, proxymesh.get());
+ return error( err );
}
- for (int i1 = 0; i1 < nbdown; i1++)
- for (int j1 = 0; j1 < nbright; j1++) {
- int ij1 = j1 * nbdown + i1;
- int i = cy0.ia * i1 + cy0.ib * j1 + cy0.ic; // i = x/face
- int k = cy0.ja * i1 + cy0.jb * j1 + cy0.jc; // k = y/face
- int ijk = k * nbx * nby + j * nbx + i;
- //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
- np[ijk].node = quad->uv_grid[ij1].node;
- //SCRUTE(np[ijk].nodeId);
+ // check if there are triangles on aCubeSide[i]._sideF
+ if ( aMesh.NbTriangles() > 0 )
+ {
+ if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( aCubeSide[i]._sideF ))
+ {
+ bool isAllQuad = true;
+ SMDS_ElemIteratorPtr fIt = smDS->GetElements();
+ while ( fIt->more() && isAllQuad )
+ {
+ const SMDS_MeshElement* f = fIt->next();
+ isAllQuad = ( f->NbCornerNodes() == 4 );
+ }
+ if ( !isAllQuad )
+ {
+ SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape, proxymesh.get());
+ return error( err );
+ }
}
+ }
}
+ // Orient loaded grids of cube sides along axis of the unitary cube coord system
+ for ( int i = 0; i < 6; ++i )
{
- const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY1]->GetSubShape());
-
- SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
-
- faceQuadStruct *quad = aCube.quad_Y1;
- int j = nby - 1; // i = x/face , k = y/face
- int nbdown = quad->side[0]->NbPoints();
- int nbright = quad->side[1]->NbPoints();
-
- while(itf->more()) {
- const SMDS_MeshNode * node = itf->next();
- if(aTool.IsMedium(node))
- continue;
- if ( !findIJ( node, quad, i1, j1 ))
- return ClearAndReturn( aQuads, false );
- int ij1 = j1 * nbdown + i1;
- quad->uv_grid[ij1].node = node;
- }
+ bool reverse = false;
+ if ( helper.GetSubShapeOri( shell.Oriented( TopAbs_FORWARD ),
+ aCubeSide[i]._sideF ) == TopAbs_REVERSED )
+ reverse = !reverse;
- for (int i1 = 0; i1 < nbdown; i1++)
- for (int j1 = 0; j1 < nbright; j1++) {
- int ij1 = j1 * nbdown + i1;
- int i = cy1.ia * i1 + cy1.ib * j1 + cy1.ic; // i = x/face
- int k = cy1.ja * i1 + cy1.jb * j1 + cy1.jc; // k = y/face
- int ijk = k * nbx * nby + j * nbx + i;
- //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
- np[ijk].node = quad->uv_grid[ij1].node;
- //SCRUTE(np[ijk].nodeId);
- }
- }
+ if ( helper.GetSubShapeOri( aCubeSide[i]._sideF.Oriented( TopAbs_FORWARD ),
+ aCubeSide[i]._baseE ) == TopAbs_REVERSED )
+ reverse = !reverse;
- {
- const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ0]->GetSubShape());
-
- SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
-
- faceQuadStruct *quad = aCube.quad_Z0;
- int k = 0; // i = x/face , j = y/face
- int nbdown = quad->side[0]->NbPoints();
- int nbright = quad->side[1]->NbPoints();
-
- while(itf->more()) {
- const SMDS_MeshNode * node = itf->next();
- if(aTool.IsMedium(node))
- continue;
- if ( !findIJ( node, quad, i1, j1 ))
- return ClearAndReturn( aQuads, false );
- int ij1 = j1 * nbdown + i1;
- quad->uv_grid[ij1].node = node;
- }
+ if ( sideIndex[i] == I_BOTTOM ||
+ sideIndex[i] == I_LEFT ||
+ sideIndex[i] == I_BACK )
+ reverse = !reverse;
- for (int i1 = 0; i1 < nbdown; i1++)
- for (int j1 = 0; j1 < nbright; j1++) {
- int ij1 = j1 * nbdown + i1;
- int i = cz0.ia * i1 + cz0.ib * j1 + cz0.ic; // i = x/face
- int j = cz0.ja * i1 + cz0.jb * j1 + cz0.jc; // j = y/face
- int ijk = k * nbx * nby + j * nbx + i;
- //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
- np[ijk].node = quad->uv_grid[ij1].node;
- //SCRUTE(np[ijk].nodeId);
- }
- }
+ aCubeSide[i]._columns.resize( aCubeSide[i]._u2nodesMap.size() );
- {
- const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ1]->GetSubShape());
-
- SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
-
- faceQuadStruct *quad = aCube.quad_Z1;
- int k = nbz - 1; // i = x/face , j = y/face
- int nbdown = quad->side[0]->NbPoints();
- int nbright = quad->side[1]->NbPoints();
-
- while(itf->more()) {
- const SMDS_MeshNode * node = itf->next();
- if(aTool.IsMedium(node))
- continue;
- if ( !findIJ( node, quad, i1, j1 ))
- return ClearAndReturn( aQuads, false );
- int ij1 = j1 * nbdown + i1;
- quad->uv_grid[ij1].node = node;
- }
+ int iFwd = 0, iRev = aCubeSide[i]._columns.size()-1;
+ int* pi = reverse ? &iRev : &iFwd;
+ TParam2ColumnMap::iterator u2nn = aCubeSide[i]._u2nodesMap.begin();
+ for ( ; iFwd < aCubeSide[i]._columns.size(); --iRev, ++iFwd, ++u2nn )
+ aCubeSide[i]._columns[ *pi ].swap( u2nn->second );
- for (int i1 = 0; i1 < nbdown; i1++)
- for (int j1 = 0; j1 < nbright; j1++) {
- int ij1 = j1 * nbdown + i1;
- int i = cz1.ia * i1 + cz1.ib * j1 + cz1.ic; // i = x/face
- int j = cz1.ja * i1 + cz1.jb * j1 + cz1.jc; // j = y/face
- int ijk = k * nbx * nby + j * nbx + i;
- //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
- np[ijk].node = quad->uv_grid[ij1].node;
- //SCRUTE(np[ijk].nodeId);
- }
+ aCubeSide[i]._u2nodesMap.clear();
}
-
- // 2.0 - for each node of the cube:
- // - get the 8 points 3D = 8 vertices of the cube
- // - get the 12 points 3D on the 12 edges of the cube
- // - get the 6 points 3D on the 6 faces with their ID
- // - compute the point 3D
- // - store the point 3D in SMESHDS, store its ID in 3D structure
-
- int shapeID = meshDS->ShapeToIndex( aShape );
-
- Pt3 p000, p001, p010, p011, p100, p101, p110, p111;
- Pt3 px00, px01, px10, px11;
- Pt3 p0y0, p0y1, p1y0, p1y1;
- Pt3 p00z, p01z, p10z, p11z;
- Pt3 pxy0, pxy1, px0z, px1z, p0yz, p1yz;
-
- GetPoint(p000, 0, 0, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p001, 0, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p010, 0, nby - 1, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p011, 0, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p100, nbx - 1, 0, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p101, nbx - 1, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p110, nbx - 1, nby - 1, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p111, nbx - 1, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
-
- for (int i = 1; i < nbx - 1; i++) {
- for (int j = 1; j < nby - 1; j++) {
- for (int k = 1; k < nbz - 1; k++) {
- // *** seulement maillage regulier
- // 12 points on edges
- GetPoint(px00, i, 0, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(px01, i, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(px10, i, nby - 1, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(px11, i, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
-
- GetPoint(p0y0, 0, j, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p0y1, 0, j, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p1y0, nbx - 1, j, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p1y1, nbx - 1, j, nbz - 1, nbx, nby, nbz, np, meshDS);
-
- GetPoint(p00z, 0, 0, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p01z, 0, nby - 1, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p10z, nbx - 1, 0, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p11z, nbx - 1, nby - 1, k, nbx, nby, nbz, np, meshDS);
-
- // 12 points on faces
- GetPoint(pxy0, i, j, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(pxy1, i, j, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(px0z, i, 0, k, nbx, nby, nbz, np, meshDS);
- GetPoint(px1z, i, nby - 1, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p0yz, 0, j, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p1yz, nbx - 1, j, k, nbx, nby, nbz, np, meshDS);
-
- int ijk = k * nbx * nby + j * nbx + i;
- double x = double (i) / double (nbx - 1); // *** seulement
- double y = double (j) / double (nby - 1); // *** maillage
- double z = double (k) / double (nbz - 1); // *** regulier
-
- Pt3 X;
- for (int i = 0; i < 3; i++) {
- X[i] = (1 - x) * p0yz[i] + x * p1yz[i]
- + (1 - y) * px0z[i] + y * px1z[i]
- + (1 - z) * pxy0[i] + z * pxy1[i]
- - (1 - x) * ((1 - y) * p00z[i] + y * p01z[i])
- - x * ((1 - y) * p10z[i] + y * p11z[i])
- - (1 - y) * ((1 - z) * px00[i] + z * px01[i])
- - y * ((1 - z) * px10[i] + z * px11[i])
- - (1 - z) * ((1 - x) * p0y0[i] + x * p1y0[i])
- - z * ((1 - x) * p0y1[i] + x * p1y1[i])
- + (1 - x) * ((1 - y) * ((1 - z) * p000[i] + z * p001[i])
- + y * ((1 - z) * p010[i] + z * p011[i]))
- + x * ((1 - y) * ((1 - z) * p100[i] + z * p101[i])
- + y * ((1 - z) * p110[i] + z * p111[i]));
+
+ if ( proxymesh )
+ for ( int i = 0; i < 6; ++i )
+ for ( unsigned j = 0; j < aCubeSide[i]._columns.size(); ++j)
+ for ( unsigned k = 0; k < aCubeSide[i]._columns[j].size(); ++k)
+ {
+ const SMDS_MeshNode* & n = aCubeSide[i]._columns[j][k];
+ n = proxymesh->GetProxyNode( n );
}
- SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]);
- np[ijk].node = node;
- meshDS->SetNodeInVolume(node, shapeID);
- }
+ // 4) Create internal nodes of the cube
+ // -------------------------------------
+
+ helper.SetSubShape( aShape );
+ helper.SetElementsOnShape(true);
+
+ // shortcuts to sides
+ _FaceGrid* fBottom = & aCubeSide[ B_BOTTOM ];
+ _FaceGrid* fRight = & aCubeSide[ B_RIGHT ];
+ _FaceGrid* fTop = & aCubeSide[ B_TOP ];
+ _FaceGrid* fLeft = & aCubeSide[ B_LEFT ];
+ _FaceGrid* fFront = & aCubeSide[ B_FRONT ];
+ _FaceGrid* fBack = & aCubeSide[ B_BACK ];
+
+ // cube size measured in nb of nodes
+ int x, xSize = fBottom->_columns.size() , X = xSize - 1;
+ int y, ySize = fLeft->_columns.size() , Y = ySize - 1;
+ int z, zSize = fLeft->_columns[0].size(), Z = zSize - 1;
+
+ // columns of internal nodes "rising" from nodes of fBottom
+ _Indexer colIndex( xSize, ySize );
+ vector< vector< const SMDS_MeshNode* > > columns( colIndex.size() );
+
+ // fill node columns by front and back box sides
+ for ( x = 0; x < xSize; ++x ) {
+ vector< const SMDS_MeshNode* >& column0 = columns[ colIndex( x, 0 )];
+ vector< const SMDS_MeshNode* >& column1 = columns[ colIndex( x, Y )];
+ column0.resize( zSize );
+ column1.resize( zSize );
+ for ( z = 0; z < zSize; ++z ) {
+ column0[ z ] = fFront->GetNode( x, z );
+ column1[ z ] = fBack ->GetNode( x, z );
+ }
+ }
+ // fill node columns by left and right box sides
+ for ( y = 1; y < ySize-1; ++y ) {
+ vector< const SMDS_MeshNode* >& column0 = columns[ colIndex( 0, y )];
+ vector< const SMDS_MeshNode* >& column1 = columns[ colIndex( X, y )];
+ column0.resize( zSize );
+ column1.resize( zSize );
+ for ( z = 0; z < zSize; ++z ) {
+ column0[ z ] = fLeft ->GetNode( y, z );
+ column1[ z ] = fRight->GetNode( y, z );
+ }
+ }
+ // get nodes from top and bottom box sides
+ for ( x = 1; x < xSize-1; ++x ) {
+ for ( y = 1; y < ySize-1; ++y ) {
+ vector< const SMDS_MeshNode* >& column = columns[ colIndex( x, y )];
+ column.resize( zSize );
+ column.front() = fBottom->GetNode( x, y );
+ column.back() = fTop ->GetNode( x, y );
}
}
- // find orientation of furute volumes according to MED convention
- vector< bool > forward( nbx * nby );
- SMDS_VolumeTool vTool;
- for (int i = 0; i < nbx - 1; i++) {
- for (int j = 0; j < nby - 1; j++) {
- int n1 = j * nbx + i;
- int n2 = j * nbx + i + 1;
- int n3 = (j + 1) * nbx + i + 1;
- int n4 = (j + 1) * nbx + i;
- int n5 = nbx * nby + j * nbx + i;
- int n6 = nbx * nby + j * nbx + i + 1;
- int n7 = nbx * nby + (j + 1) * nbx + i + 1;
- int n8 = nbx * nby + (j + 1) * nbx + i;
-
- SMDS_VolumeOfNodes tmpVol (np[n1].node,np[n2].node,np[n3].node,np[n4].node,
- np[n5].node,np[n6].node,np[n7].node,np[n8].node);
- vTool.Set( &tmpVol );
- forward[ n1 ] = vTool.IsForward();
+ // projection points of the internal node on cube sub-shapes by which
+ // coordinates of the internal node are computed
+ vector<gp_XYZ> pointsOnShapes( SMESH_Block::ID_Shell );
+
+ // projections on vertices are constant
+ pointsOnShapes[ SMESH_Block::ID_V000 ] = fBottom->GetXYZ( 0, 0 );
+ pointsOnShapes[ SMESH_Block::ID_V100 ] = fBottom->GetXYZ( X, 0 );
+ pointsOnShapes[ SMESH_Block::ID_V010 ] = fBottom->GetXYZ( 0, Y );
+ pointsOnShapes[ SMESH_Block::ID_V110 ] = fBottom->GetXYZ( X, Y );
+ pointsOnShapes[ SMESH_Block::ID_V001 ] = fTop->GetXYZ( 0, 0 );
+ pointsOnShapes[ SMESH_Block::ID_V101 ] = fTop->GetXYZ( X, 0 );
+ pointsOnShapes[ SMESH_Block::ID_V011 ] = fTop->GetXYZ( 0, Y );
+ pointsOnShapes[ SMESH_Block::ID_V111 ] = fTop->GetXYZ( X, Y );
+
+ for ( x = 1; x < xSize-1; ++x )
+ {
+ gp_XYZ params; // normalized parameters of internal node within a unit box
+ params.SetCoord( 1, x / double(X) );
+ for ( y = 1; y < ySize-1; ++y )
+ {
+ params.SetCoord( 2, y / double(Y) );
+ // a column to fill in during z loop
+ vector< const SMDS_MeshNode* >& column = columns[ colIndex( x, y )];
+ // projection points on horizontal edges
+ pointsOnShapes[ SMESH_Block::ID_Ex00 ] = fBottom->GetXYZ( x, 0 );
+ pointsOnShapes[ SMESH_Block::ID_Ex10 ] = fBottom->GetXYZ( x, Y );
+ pointsOnShapes[ SMESH_Block::ID_E0y0 ] = fBottom->GetXYZ( 0, y );
+ pointsOnShapes[ SMESH_Block::ID_E1y0 ] = fBottom->GetXYZ( X, y );
+ pointsOnShapes[ SMESH_Block::ID_Ex01 ] = fTop->GetXYZ( x, 0 );
+ pointsOnShapes[ SMESH_Block::ID_Ex11 ] = fTop->GetXYZ( x, Y );
+ pointsOnShapes[ SMESH_Block::ID_E0y1 ] = fTop->GetXYZ( 0, y );
+ pointsOnShapes[ SMESH_Block::ID_E1y1 ] = fTop->GetXYZ( X, y );
+ // projection points on horizontal faces
+ pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = fBottom->GetXYZ( x, y );
+ pointsOnShapes[ SMESH_Block::ID_Fxy1 ] = fTop ->GetXYZ( x, y );
+ for ( z = 1; z < zSize-1; ++z ) // z loop
+ {
+ params.SetCoord( 3, z / double(Z) );
+ // projection points on vertical edges
+ pointsOnShapes[ SMESH_Block::ID_E00z ] = fFront->GetXYZ( 0, z );
+ pointsOnShapes[ SMESH_Block::ID_E10z ] = fFront->GetXYZ( X, z );
+ pointsOnShapes[ SMESH_Block::ID_E01z ] = fBack->GetXYZ( 0, z );
+ pointsOnShapes[ SMESH_Block::ID_E11z ] = fBack->GetXYZ( X, z );
+ // projection points on vertical faces
+ pointsOnShapes[ SMESH_Block::ID_Fx0z ] = fFront->GetXYZ( x, z );
+ pointsOnShapes[ SMESH_Block::ID_Fx1z ] = fBack ->GetXYZ( x, z );
+ pointsOnShapes[ SMESH_Block::ID_F0yz ] = fLeft ->GetXYZ( y, z );
+ pointsOnShapes[ SMESH_Block::ID_F1yz ] = fRight->GetXYZ( y, z );
+
+ // compute internal node coordinates
+ gp_XYZ coords;
+ SMESH_Block::ShellPoint( params, pointsOnShapes, coords );
+ column[ z ] = helper.AddNode( coords.X(), coords.Y(), coords.Z() );
+
+ }
}
}
- //2.1 - for each node of the cube (less 3 *1 Faces):
- // - store hexahedron in SMESHDS
- MESSAGE("Storing hexahedron into the DS");
- for (int i = 0; i < nbx - 1; i++) {
- for (int j = 0; j < nby - 1; j++) {
- bool isForw = forward.at( j * nbx + i );
- for (int k = 0; k < nbz - 1; k++) {
- int n1 = k * nbx * nby + j * nbx + i;
- int n2 = k * nbx * nby + j * nbx + i + 1;
- int n3 = k * nbx * nby + (j + 1) * nbx + i + 1;
- int n4 = k * nbx * nby + (j + 1) * nbx + i;
- int n5 = (k + 1) * nbx * nby + j * nbx + i;
- int n6 = (k + 1) * nbx * nby + j * nbx + i + 1;
- int n7 = (k + 1) * nbx * nby + (j + 1) * nbx + i + 1;
- int n8 = (k + 1) * nbx * nby + (j + 1) * nbx + i;
-
- SMDS_MeshVolume * elt;
- if ( isForw ) {
- elt = aTool.AddVolume(np[n1].node, np[n2].node,
- np[n3].node, np[n4].node,
- np[n5].node, np[n6].node,
- np[n7].node, np[n8].node);
- }
- else {
- elt = aTool.AddVolume(np[n1].node, np[n4].node,
- np[n3].node, np[n2].node,
- np[n5].node, np[n8].node,
- np[n7].node, np[n6].node);
- }
-
- meshDS->SetMeshElementOnShape(elt, shapeID);
+ // side data no more needed, free memory
+ for ( int i = 0; i < 6; ++i )
+ aCubeSide[i]._columns.clear();
+
+ // 5) Create hexahedrons
+ // ---------------------
+
+ for ( x = 0; x < xSize-1; ++x ) {
+ for ( y = 0; y < ySize-1; ++y ) {
+ vector< const SMDS_MeshNode* >& col00 = columns[ colIndex( x, y )];
+ vector< const SMDS_MeshNode* >& col10 = columns[ colIndex( x+1, y )];
+ vector< const SMDS_MeshNode* >& col01 = columns[ colIndex( x, y+1 )];
+ vector< const SMDS_MeshNode* >& col11 = columns[ colIndex( x+1, y+1 )];
+ for ( z = 0; z < zSize-1; ++z )
+ {
+ // bottom face normal of a hexa mush point outside the volume
+ helper.AddVolume(col00[z], col01[z], col11[z], col10[z],
+ col00[z+1], col01[z+1], col11[z+1], col10[z+1]);
}
}
}
- if ( np ) delete [] np;
- return ClearAndReturn( aQuads, true );
+ return true;
}
-
//=============================================================================
/*!
* Evaluate
return error( algo->GetComputeError());
}
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-void StdMeshers_Hexa_3D::GetPoint(Pt3 p, int i, int j, int k, int nbx, int nby, int nbz,
- Point3DStruct * np, const SMESHDS_Mesh * meshDS)
-{
- int ijk = k * nbx * nby + j * nbx + i;
- const SMDS_MeshNode * node = np[ijk].node;
- p[0] = node->X();
- p[1] = node->Y();
- p[2] = node->Z();
- //MESSAGE(" "<<i<<" "<<j<<" "<<k<<" "<<p[0]<<" "<<p[1]<<" "<<p[2]);
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-int StdMeshers_Hexa_3D::GetFaceIndex(SMESH_Mesh & aMesh,
- const TopoDS_Shape & aShape,
- const vector < SMESH_subMesh * >&meshFaces,
- const TopoDS_Vertex & V0,
- const TopoDS_Vertex & V1,
- const TopoDS_Vertex & V2, const TopoDS_Vertex & V3)
-{
- //MESSAGE("StdMeshers_Hexa_3D::GetFaceIndex");
- int faceIndex = -1;
- for (int i = 1; i < 6; i++)
- {
- const TopoDS_Shape & aFace = meshFaces[i]->GetSubShape();
- //const TopoDS_Face& F = TopoDS::Face(aFace);
- TopTools_IndexedMapOfShape M;
- TopExp::MapShapes(aFace, TopAbs_VERTEX, M);
- bool verticesInShape = false;
- if (M.Contains(V0))
- if (M.Contains(V1))
- if (M.Contains(V2))
- if (M.Contains(V3))
- verticesInShape = true;
- if (verticesInShape)
- {
- faceIndex = i;
- break;
- }
- }
- //IPAL21120 ASSERT(faceIndex > 0);
- //SCRUTE(faceIndex);
- return faceIndex;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-TopoDS_Edge
- StdMeshers_Hexa_3D::EdgeNotInFace(SMESH_Mesh & aMesh,
- const TopoDS_Shape & aShape,
- const TopoDS_Face & aFace,
- const TopoDS_Vertex & aVertex,
- const TopTools_IndexedDataMapOfShapeListOfShape & MS)
-{
- //MESSAGE("StdMeshers_Hexa_3D::EdgeNotInFace");
- TopTools_IndexedDataMapOfShapeListOfShape MF;
- TopExp::MapShapesAndAncestors(aFace, TopAbs_VERTEX, TopAbs_EDGE, MF);
- const TopTools_ListOfShape & ancestorsInSolid = MS.FindFromKey(aVertex);
- const TopTools_ListOfShape & ancestorsInFace = MF.FindFromKey(aVertex);
-// SCRUTE(ancestorsInSolid.Extent());
-// SCRUTE(ancestorsInFace.Extent());
- ASSERT(ancestorsInSolid.Extent() == 6); // 6 (edges doublees)
- ASSERT(ancestorsInFace.Extent() == 2);
-
- TopoDS_Edge E;
- E.Nullify();
- TopTools_ListIteratorOfListOfShape its(ancestorsInSolid);
- for (; its.More(); its.Next())
- {
- TopoDS_Shape ancestor = its.Value();
- TopTools_ListIteratorOfListOfShape itf(ancestorsInFace);
- bool isInFace = false;
- for (; itf.More(); itf.Next())
- {
- TopoDS_Shape ancestorInFace = itf.Value();
- if (ancestorInFace.IsSame(ancestor))
- {
- isInFace = true;
- break;
- }
- }
- if (!isInFace)
- {
- E = TopoDS::Edge(ancestor);
- break;
- }
- }
- return E;
-}
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
-
-void StdMeshers_Hexa_3D::GetConv2DCoefs(const faceQuadStruct & quad,
- const TopoDS_Shape & aShape,
- const TopoDS_Vertex & V0,
- const TopoDS_Vertex & V1,
- const TopoDS_Vertex & V2, const TopoDS_Vertex & V3, Conv2DStruct & conv)
-{
-// MESSAGE("StdMeshers_Hexa_3D::GetConv2DCoefs");
-// const TopoDS_Face & F = TopoDS::Face(aShape);
-// TopoDS_Edge E = quad.edge[0];
-// double f, l;
-// Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
-// TopoDS_Vertex VFirst, VLast;
-// TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
-// bool isForward = (((l - f) * (quad.last[0] - quad.first[0])) > 0);
- TopoDS_Vertex VA, VB;
-// if (isForward)
-// {
-// VA = VFirst;
-// VB = VLast;
-// }
-// else
-// {
-// VA = VLast;
-// VB = VFirst;
-// }
- VA = quad.side[0]->FirstVertex();
- VB = quad.side[0]->LastVertex();
-
- int a1, b1, c1, a2, b2, c2;
- if (VA.IsSame(V0)) {
- if (VB.IsSame(V1))
- {
- a1 = 1;
- b1 = 0;
- c1 = 0; // x
- a2 = 0;
- b2 = 1;
- c2 = 0; // y
- }
- else
- {
- ASSERT(VB.IsSame(V3));
- a1 = 0;
- b1 = 1;
- c1 = 0; // y
- a2 = 1;
- b2 = 0;
- c2 = 0; // x
- }
- }
- if (VA.IsSame(V1)) {
- if (VB.IsSame(V2))
- {
- a1 = 0;
- b1 = -1;
- c1 = 1; // 1-y
- a2 = 1;
- b2 = 0;
- c2 = 0; // x
- }
- else
- {
- ASSERT(VB.IsSame(V0));
- a1 = -1;
- b1 = 0;
- c1 = 1; // 1-x
- a2 = 0;
- b2 = 1;
- c2 = 0; // y
- }
- }
- if (VA.IsSame(V2)) {
- if (VB.IsSame(V3))
- {
- a1 = -1;
- b1 = 0;
- c1 = 1; // 1-x
- a2 = 0;
- b2 = -1;
- c2 = 1; // 1-y
- }
- else
- {
- ASSERT(VB.IsSame(V1));
- a1 = 0;
- b1 = -1;
- c1 = 1; // 1-y
- a2 = -1;
- b2 = 0;
- c2 = 1; // 1-x
- }
- }
- if (VA.IsSame(V3)) {
- if (VB.IsSame(V0))
- {
- a1 = 0;
- b1 = 1;
- c1 = 0; // y
- a2 = -1;
- b2 = 0;
- c2 = 1; // 1-x
- }
- else
- {
- ASSERT(VB.IsSame(V2));
- a1 = 1;
- b1 = 0;
- c1 = 0; // x
- a2 = 0;
- b2 = -1;
- c2 = 1; // 1-y
- }
- }
-// MESSAGE("X = " << c1 << "+ " << a1 << "*x + " << b1 << "*y");
-// MESSAGE("Y = " << c2 << "+ " << a2 << "*x + " << b2 << "*y");
- conv.a1 = a1;
- conv.b1 = b1;
- conv.c1 = c1;
- conv.a2 = a2;
- conv.b2 = b2;
- conv.c2 = c2;
-
- int nbdown = quad.side[0]->NbPoints();
- int nbright = quad.side[1]->NbPoints();
- conv.ia = int (a1);
- conv.ib = int (b1);
- conv.ic =
- int (c1 * a1 * a1) * (nbdown - 1) + int (c1 * b1 * b1) * (nbright - 1);
- conv.ja = int (a2);
- conv.jb = int (b2);
- conv.jc =
- int (c2 * a2 * a2) * (nbdown - 1) + int (c2 * b2 * b2) * (nbright - 1);
-// MESSAGE("I " << conv.ia << " " << conv.ib << " " << conv.ic);
-// MESSAGE("J " << conv.ja << " " << conv.jb << " " << conv.jc);
-}
-
-//================================================================================
-/*!
- * \brief Find a vertex opposite to the given vertex of aQuads[0]
- * \param aVertex - the vertex
- * \param aFace - the face aVertex belongs to
- * \param aQuads - quads
- * \retval TopoDS_Vertex - found vertex
- */
-//================================================================================
-
-TopoDS_Vertex StdMeshers_Hexa_3D::OppositeVertex(const TopoDS_Vertex& aVertex,
- const TopTools_IndexedMapOfShape& aQuads0Vertices,
- FaceQuadStruct* aQuads[6])
-{
- int i, j;
- for ( i = 1; i < 6; ++i )
- {
- TopoDS_Vertex VV[] = { aQuads[i]->side[0]->FirstVertex(),
- aQuads[i]->side[0]->LastVertex() ,
- aQuads[i]->side[2]->LastVertex() ,
- aQuads[i]->side[2]->FirstVertex() };
- for ( j = 0; j < 4; ++j )
- if ( aVertex.IsSame( VV[ j ]))
- break;
- if ( j < 4 ) {
- int jPrev = j ? j - 1 : 3;
- int jNext = (j + 1) % 4;
- if ( aQuads0Vertices.Contains( VV[ jPrev ] ))
- return VV[ jNext ];
- else
- return VV[ jPrev ];
- }
- }
- return TopoDS_Vertex();
-}
-
-//modified by NIZNHY-PKV Wed Nov 17 15:34:13 2004 f
-///////////////////////////////////////////////////////////////////////////////
-//ZZ
-//#include <stdio.h>
-
//=======================================================================
//function : ComputePentahedralMesh
//purpose :
//=======================================================================
-SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh & aMesh,
- const TopoDS_Shape & aShape)
+SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ SMESH_ProxyMesh* proxyMesh)
{
- //printf(" ComputePentahedralMesh HERE\n");
- //
- bool bOK;
SMESH_ComputeErrorPtr err = SMESH_ComputeError::New();
- //int iErr;
+ if ( proxyMesh )
+ {
+ err->myName = COMPERR_BAD_INPUT_MESH;
+ err->myComment = "Can't build pentahedral mesh on viscous layers";
+ return err;
+ }
+ bool bOK;
StdMeshers_Penta_3D anAlgo;
//
bOK=anAlgo.Compute(aMesh, aShape);
return bOK;
}
-
-
