Version: 8.3.0
StdMeshers_QuadToTriaAdaptor.hxx
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1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
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19 
20 // File : StdMeshers_QuadToTriaAdaptor.hxx
21 // Module : SMESH
22 //
23 #ifndef _SMESH_QuadToTriaAdaptor_HXX_
24 #define _SMESH_QuadToTriaAdaptor_HXX_
25 
26 #include "SMESH_StdMeshers.hxx"
27 
28 #include "SMESH_ProxyMesh.hxx"
29 
30 #include <TColgp_Array1OfPnt.hxx>
31 #include <TColgp_Array1OfVec.hxx>
32 
33 class SMESH_Mesh;
35 class SMDS_MeshElement;
36 class SMDS_MeshNode;
37 class SMDS_MeshFace;
38 class gp_Pnt;
39 class gp_Vec;
40 
41 
42 #include <set>
43 #include <list>
44 #include <vector>
45 
46 #include <TopoDS_Shape.hxx>
47 
52 {
53 public:
55 
57 
58  bool Compute(SMESH_Mesh& aMesh,
59  const TopoDS_Shape& aShape,
60  SMESH_ProxyMesh* aProxyMesh=0);
61 
62  bool Compute(SMESH_Mesh& aMesh);
63 
64  const TopoDS_Shape& GetShape() const { return myShape; }
65 
66 protected:
67 
68  int Preparation(const SMDS_MeshElement* face,
69  TColgp_Array1OfPnt& PN,
70  TColgp_Array1OfVec& VN,
71  std::vector<const SMDS_MeshNode*>& FNodes,
72  gp_Pnt& PC, gp_Vec& VNorm,
73  const SMDS_MeshElement** volumes=0);
74 
75  bool LimitHeight (gp_Pnt& Papex,
76  const gp_Pnt& PC,
77  const TColgp_Array1OfPnt& PN,
78  const std::vector<const SMDS_MeshNode*>& FNodes,
79  SMESH_Mesh& aMesh,
80  const SMDS_MeshElement* NotCheckedFace,
81  const bool UseApexRay,
82  const TopoDS_Shape& Shape = TopoDS_Shape());
83 
84  bool Compute2ndPart(SMESH_Mesh& aMesh,
85  const std::vector<const SMDS_MeshElement*>& pyramids);
86 
87 
88  void MergePiramids( const SMDS_MeshElement* PrmI,
89  const SMDS_MeshElement* PrmJ,
90  std::set<const SMDS_MeshNode*> & nodesToMove);
91 
92  void MergeAdjacent(const SMDS_MeshElement* PrmI,
93  std::set<const SMDS_MeshNode*>& nodesToMove,
94  const bool isRecursion = false);
95 
96 
97  TopoDS_Shape myShape;
98  std::set<const SMDS_MeshElement*> myRemovedTrias;
99  std::list< const SMDS_MeshNode* > myDegNodes;
101 };
102 
103 #endif