SALOME - SMESH
StdMeshers_Prism_3D.hxx
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1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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7 // modify it under the terms of the GNU Lesser General Public
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14 // Lesser General Public License for more details.
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21 //
22 // SMESH SMESH : implementaion of SMESH idl descriptions
23 // File : StdMeshers_Prism_3D.hxx
24 // Module : SMESH
25 //
26 #ifndef _SMESH_Prism_3D_HXX_
27 #define _SMESH_Prism_3D_HXX_
28 
29 #include "SMESH_StdMeshers.hxx"
30 
31 #include "SMESH_3D_Algo.hxx"
32 #include "SMDS_TypeOfPosition.hxx"
33 #include "SMDS_MeshNode.hxx"
34 #include "SMESH_Block.hxx"
35 #include "SMESH_Mesh.hxx"
36 #include "SMESHDS_Mesh.hxx"
37 #include "SMESH_subMesh.hxx"
38 #include "SMESH_MesherHelper.hxx"
39 #include "SMESH_Comment.hxx"
40 
41 #include <vector>
42 
43 #include <Adaptor3d_Curve.hxx>
44 #include <Adaptor3d_Surface.hxx>
45 #include <Adaptor2d_Curve2d.hxx>
46 #include <BRepAdaptor_Surface.hxx>
47 #include <TopTools_IndexedMapOfOrientedShape.hxx>
48 #include <gp_XYZ.hxx>
49 
50 
51 class SMESHDS_SubMesh;
52 class TopoDS_Edge;
53 class TopoDS_Faces;
54 struct TNode;
55 
56 //typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> TNodeNodeMap;
57 typedef std::vector<const SMDS_MeshNode* > TNodeColumn;
58 
59 // map of bottom nodes to the column of nodes above them
60 // (the column includes the bottom nodes)
61 typedef std::map< TNode, TNodeColumn > TNode2ColumnMap;
62 typedef std::map< double, TNodeColumn > TParam2ColumnMap;
63 typedef std::map< double, TNodeColumn >::const_iterator TParam2ColumnIt;
64 
65 typedef TopTools_IndexedMapOfOrientedShape TBlockShapes;
66 
67 // ===============================================
71 // ===============================================
72 
73 struct TNode
74 {
76  gp_XYZ myParams;
77 
78  gp_XYZ GetCoords() const { return gp_XYZ( myNode->X(), myNode->Y(), myNode->Z() ); }
79  gp_XYZ GetParams() const { return myParams; }
80  gp_XYZ& ChangeParams() { return myParams; }
81  bool HasParams() const { return myParams.X() >= 0.0; }
83  { return myNode ? myNode->GetPosition()->GetTypeOfPosition() : SMDS_TOP_UNSPEC; }
84  bool IsNeighbor( const TNode& other ) const;
85 
86  TNode(const SMDS_MeshNode* node = 0): myNode(node), myParams(-1,-1,-1) {}
87  bool operator < (const TNode& other) const { return myNode->GetID() < other.myNode->GetID(); }
88 };
89 
90 // ===============================================================
97 // ===============================================================
98 
100 {
101 public:
106 
108 
118  bool Init(SMESH_MesherHelper* helper, const TopoDS_Shape& shape3D);
119 
123  SMESH_ComputeErrorPtr GetError() const { return myError; }
124 
129  int VerticalSize() const { return myParam2ColumnMaps[0].begin()->second.size(); }
130 
131  bool HasNotQuadElemOnTop() const { return myNotQuadOnTop; }
132 
138  const TNodeColumn* GetNodeColumn(const SMDS_MeshNode* node) const;
139 
146  const TParam2ColumnMap& GetParam2ColumnMap(const int baseEdgeID,
147  bool & isReverse)
148  {
149  std::pair< TParam2ColumnMap*, bool > & col_frw =
150  myShapeIndex2ColumnMap[ baseEdgeID ];
151  isReverse = !col_frw.second;
152  return * col_frw.first;
153  }
154 
159  SMESH_Mesh* Mesh() const { return myHelper->GetMesh(); }
160 
165  SMESHDS_Mesh* MeshDS() const { return Mesh()->GetMeshDS(); }
166 
172  SMESH_subMesh* SubMesh(const int shapeID) const
173  { return Mesh()->GetSubMesh( Shape( shapeID )); }
174 
180  SMESHDS_SubMesh* SubMeshDS(const int shapeID) const
181  { return SubMesh(shapeID)->GetSubMeshDS(); }
182 
188  const TopoDS_Shape& Shape(const int shapeID) const
189  { return myShapeIDMap( shapeID ); }
190 
196  int ShapeID(const TopoDS_Shape& shape) const
197  { return myShapeIDMap.FindIndex( shape ); }
198 
207  static bool IsForwardEdge(SMESHDS_Mesh* meshDS,
208  const TParam2ColumnMap& columnsMap,
209  const TopoDS_Edge & bottomEdge,
210  const int sideFaceID);
219  static bool GetWallFaces( SMESH_Mesh* mesh,
220  const TopoDS_Shape & mainShape,
221  const TopoDS_Shape & bottomFace,
222  const std::list< TopoDS_Edge >& bottomEdges,
223  std::list< TopoDS_Face >& wallFaces);
224 
225 private:
226 
227  // --------------------------------------------------------------------
235  // --------------------------------------------------------------------
237  {
238  int myID;
239  // map used to find out real UV by it's normalized UV
241  BRepAdaptor_Surface mySurface;
242  TopoDS_Edge myBaseEdge;
243  // first and last normalized params and orientaion for each component or it-self
244  std::vector< std::pair< double, double> > myParams;
246  std::vector< TSideFace* > myComponents;
248  public:
249  TSideFace( SMESH_MesherHelper* helper,
250  const int faceID,
251  const TopoDS_Face& face,
252  const TopoDS_Edge& baseEdge,
253  TParam2ColumnMap* columnsMap,
254  const double first = 0.0,
255  const double last = 1.0);
256  TSideFace( const std::vector< TSideFace* >& components,
257  const std::vector< std::pair< double, double> > & params);
258  TSideFace( const TSideFace& other );
259  ~TSideFace();
260  bool IsComplex() const
261  { return ( NbComponents() > 0 || myParams[0].first != 0. || myParams[0].second != 1. ); }
262  int FaceID() const { return myID; }
263  TParam2ColumnMap* GetColumns() const { return myParamToColumnMap; }
264  gp_XY GetNodeUV(const TopoDS_Face& F, const SMDS_MeshNode* n) const
265  { return myHelper->GetNodeUV( F, n ); }
266  const TopoDS_Edge & BaseEdge() const { return myBaseEdge; }
267  int ColumnHeight() const {
268  if ( NbComponents() ) return GetComponent(0)->GetColumns()->begin()->second.size();
269  else return GetColumns()->begin()->second.size(); }
270  double GetColumns(const double U, TParam2ColumnIt & col1, TParam2ColumnIt& col2 ) const;
271  int NbComponents() const { return myComponents.size(); }
272  TSideFace* GetComponent(const int i) const { return myComponents.at( i ); }
273  void SetComponent(const int i, TSideFace* c)
274  { if ( myComponents[i] ) delete myComponents[i]; myComponents[i]=c; }
275  TSideFace* GetComponent(const double U, double& localU) const;
276  bool IsForward() const { return myIsForward; }
277  // boundary geometry for a face
278  Adaptor3d_Surface* Surface() const { return new TSideFace( *this ); }
279  bool GetPCurves(Adaptor2d_Curve2d* pcurv[4]) const;
280  Adaptor2d_Curve2d* HorizPCurve(const bool isTop, const TopoDS_Face& horFace) const;
281  Adaptor3d_Curve* HorizCurve(const bool isTop) const;
282  Adaptor3d_Curve* VertiCurve(const bool isMax) const;
283  TopoDS_Edge GetEdge( const int edge ) const;
284  int InsertSubShapes( TBlockShapes& shapeMap ) const;
285  // redefine Adaptor methods
286  gp_Pnt Value(const Standard_Real U,const Standard_Real V) const;
287  };
288 
289  // --------------------------------------------------------------------
293  // --------------------------------------------------------------------
295  {
297  public:
298  TVerticalEdgeAdaptor( const TParam2ColumnMap* columnsMap, const double parameter );
299  gp_Pnt Value(const Standard_Real U) const;
300  Standard_Real FirstParameter() const { return 0; }
301  Standard_Real LastParameter() const { return 1; }
302  };
303 
304  // --------------------------------------------------------------------
308  // --------------------------------------------------------------------
310  {
312  double myV;
313  public:
314  THorizontalEdgeAdaptor( const TSideFace* sideFace, const bool isTop)
315  :mySide(sideFace), myV( isTop ? 1.0 : 0.0 ) {}
316  gp_Pnt Value(const Standard_Real U) const;
317  Standard_Real FirstParameter() const { return 0; }
318  Standard_Real LastParameter() const { return 1; }
319  };
320 
321  // --------------------------------------------------------------------
325  // --------------------------------------------------------------------
327  {
329  int myZ;
330  TopoDS_Face myFace;
331  public:
333  const bool isTop,
334  const TopoDS_Face& horFace)
335  : mySide(sideFace), myFace(horFace), myZ(isTop ? mySide->ColumnHeight() - 1 : 0 ) {}
336  gp_Pnt2d Value(const Standard_Real U) const;
337  Standard_Real FirstParameter() const { return 0; }
338  Standard_Real LastParameter() const { return 1; }
339  };
340  // --------------------------------------------------------------------
341 
345 
346  // container of 4 side faces
348  // node columns for each base edge
349  std::vector< TParam2ColumnMap > myParam2ColumnMaps;
350  // to find a column for a node by edge SMESHDS Index
351  std::map< int, std::pair< TParam2ColumnMap*, bool > > myShapeIndex2ColumnMap;
352 
357  bool error(int error, const SMESH_Comment& comment = "") {
358  myError = SMESH_ComputeError::New(error,comment);
359  return myError->IsOK();
360  }
361  //std::vector< SMESH_subMesh* > mySubMeshesVec; // submesh by in-block id
362 };
363 
364 // =============================================
368 // =============================================
369 
371 {
372 public:
373  StdMeshers_Prism_3D(int hypId, int studyId, SMESH_Gen* gen);
374  virtual ~StdMeshers_Prism_3D();
375 
376  virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
377  const TopoDS_Shape& aShape,
379 
380  virtual bool Compute(SMESH_Mesh& aMesh, const TopoDS_Shape& aShape);
381 
382  virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
383  MapShapeNbElems& aResMap);
384 
393  void ProjectTriangles() { myProjectTriangles = true; }
394 
400  static void AddPrisms( std::vector<const TNodeColumn*> & nodeColumns,
401  SMESH_MesherHelper* helper);
402 
403 private:
404 
411  bool assocOrProjBottom2Top();
412 
418  bool projectBottomToTop();
419 
426  bool setFaceAndEdgesXYZ( const int faceID, const gp_XYZ& params, int z );
427 
428 private:
429 
431 
434 
435  std::vector<gp_XYZ> myShapeXYZ; // point on each sub-shape
436 
437  // map of bottom nodes to the column of nodes above them
438  // (the column includes the bottom node)
440 };
441 
442 #endif
int VerticalSize() const
Return number of nodes on every vertical edge.
Class representing a part of a geom face or a union of seleral faces. Or just an ordinary geom face...
std::vector< std::pair< double, double > > myParams
Class emulating geometry of a vertical edge.
gp_XYZ GetCoords() const
double Z() const
TParam2ColumnMap * GetColumns() const
Algo building prisms on a prism shape.
SMESHDS_Mesh * MeshDS() const
Return pointer to mesh DS.
TPCurveOnHorFaceAdaptor(const TSideFace *sideFace, const bool isTop, const TopoDS_Face &horFace)
std::vector< TSideFace *> myComponents
Tool analyzing and giving access to a prism geometry treating it like a block, i.e. the four side faces are emulated by division/uniting of missing/excess faces. It also manage associations between block subshapes and a mesh.
const TopoDS_Edge & BaseEdge() const
std::map< double, TNodeColumn >::const_iterator TParam2ColumnIt
StdMeshers_PrismAsBlock myBlock
Class emulating geometry of a hirizontal edge.
void SetComponent(const int i, TSideFace *c)
TNode(const SMDS_MeshNode *node=0)
boost::shared_ptr< SMESH_ComputeError > SMESH_ComputeErrorPtr
Structure containing node relative data.
std::map< double, TNodeColumn > TParam2ColumnMap
const SMDS_MeshNode * myNode
bool IsNeighbor(const TNode &other) const
bool HasParams() const
std::vector< const SMDS_MeshNode *> TNodeColumn
bool error(int error, const SMESH_Comment &comment="")
store error and comment and then return ( error == COMPERR_OK )
gp_XY GetNodeUV(const TopoDS_Face &F, const SMDS_MeshNode *n) const
SMESH_subMesh * SubMesh(const int shapeID) const
Return submesh of a shape.
std::vector< gp_XYZ > myShapeXYZ
SMESH_Mesh * Mesh() const
Return pointer to mesh.
int GetID() const
TNode2ColumnMap myBotToColumnMap
int ShapeID(const TopoDS_Shape &shape) const
Return in-block ID of a shape.
std::map< TNode, TNodeColumn > TNode2ColumnMap
TSideFace * GetComponent(const int i) const
gp_XYZ & ChangeParams()
SMESHDS_SubMesh * SubMeshDS(const int shapeID) const
Return submesh DS of a shape.
const TParam2ColumnMap & GetParam2ColumnMap(const int baseEdgeID, bool &isReverse)
Return TParam2ColumnMap for a base edge.
const SMDS_PositionPtr & GetPosition() const
TopTools_IndexedMapOfOrientedShape TBlockShapes
const TopoDS_Shape & Shape(const int shapeID) const
Return a in-block shape.
Adaptor3d_Surface * Surface() const
std::map< double, TNodeColumn > TParam2ColumnMap
double Y() const
std::map< int, std::pair< TParam2ColumnMap *, bool > > myShapeIndex2ColumnMap
#define STDMESHERS_EXPORT
Class emulating pcurve on a hirizontal face.
std::map< SMESH_subMesh *, std::vector< int > > MapShapeNbElems
Definition: SMESH_Algo.hxx:55
gp_XY GetNodeUV(const TopoDS_Face &F, const SMDS_MeshNode *n, const SMDS_MeshNode *inFaceNode=0, bool *check=0) const
Return node UV on face.
bool operator<(const TNode &other) const
SMESH_ComputeErrorPtr GetError() const
Return problem description.
Class to generate string from any type.
gp_XYZ GetParams() const
void ProjectTriangles()
Enable removal of quadrangles from the bottom face and triangles creation there by projection from th...
static SMESH_ComputeErrorPtr New(int error=COMPERR_OK, std::string comment="", const SMESH_Algo *algo=0)
SMESH_MesherHelper * myHelper
std::vector< TParam2ColumnMap > myParam2ColumnMaps
double X() const
SMESH_MesherHelper * myHelper
SMDS_TypeOfPosition GetPositionType() const
SMDS_TypeOfPosition
THorizontalEdgeAdaptor(const TSideFace *sideFace, const bool isTop)
SMESH_ComputeErrorPtr myError
std::vector< const SMDS_MeshNode *> TNodeColumn
It helps meshers to add elements.