1 // SMESH SMESH : idl implementation based on 'SMESH' unit's calsses
3 // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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.
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.
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
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 // File : StdMeshers_ProjectionUtils.hxx
25 // Created : Thu Oct 26 15:37:24 2006
26 // Author : Edward AGAPOV (eap)
29 #ifndef StdMeshers_ProjectionUtils_HeaderFile
30 #define StdMeshers_ProjectionUtils_HeaderFile
32 #include <TopTools_DataMapOfShapeShape.hxx>
33 #include <TopoDS_Edge.hxx>
34 #include <TopoDS_Vertex.hxx>
35 #include <TopoDS_Face.hxx>
43 class SMESH_Hypothesis;
47 * \brief Class encapsulating methods common to Projection algorithms
49 class StdMeshers_ProjectionUtils
53 typedef TopTools_DataMapOfShapeShape TShapeShapeMap;
54 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> TNodeNodeMap;
57 * \brief Looks for association of all subshapes of two shapes
58 * \param theShape1 - shape 1
59 * \param theMesh1 - mesh built on shape 1
60 * \param theShape2 - shape 2
61 * \param theMesh2 - mesh built on shape 2
62 * \param theAssociation - association map to be filled that may
63 * contain association of one or two pairs of vertices
64 * \retval bool - true if association found
66 static bool FindSubShapeAssociation(const TopoDS_Shape& theShape1,
68 const TopoDS_Shape& theShape2,
70 TShapeShapeMap & theAssociationMap);
73 * \brief Find association of edges of faces
74 * \param face1 - face 1
75 * \param VV1 - vertices of face 1
76 * \param face2 - face 2
77 * \param VV2 - vertices of face 2 associated with oned of face 1
78 * \param edges1 - out list of edges of face 1
79 * \param edges2 - out list of edges of face 2
80 * \retval int - nb of edges in an outer wire in a success case, else zero
82 static int FindFaceAssociation(const TopoDS_Face& face1,
84 const TopoDS_Face& face2,
86 list< TopoDS_Edge > & edges1,
87 list< TopoDS_Edge > & edges2);
90 * \brief Insert vertex association defined by a hypothesis into a map
91 * \param theHyp - hypothesis
92 * \param theAssociationMap - association map
94 static void InitVertexAssociation( const SMESH_Hypothesis* theHyp,
95 TShapeShapeMap & theAssociationMap);
98 * \brief Inserts association theShape1 <-> theShape2 to TShapeShapeMap
99 * \param theShape1 - shape 1
100 * \param theShape2 - shape 2
101 * \param theAssociationMap - association map
102 * \param theBidirectional - if false, inserts theShape1 -> theShape2 association
103 * \retval bool - true if there was no association for these shapes before
105 static bool InsertAssociation( const TopoDS_Shape& theShape1,
106 const TopoDS_Shape& theShape2,
107 TShapeShapeMap & theAssociationMap,
108 const bool theBidirectional=true);
110 static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh );
112 static bool IsSubShape( const TopoDS_Shape& shape, const TopoDS_Shape& mainShape );
115 * \brief Finds an edge by its vertices in a main shape of the mesh
116 * \param aMesh - the mesh
117 * \param V1 - vertex 1
118 * \param V2 - vertex 2
119 * \retval TopoDS_Edge - found edge
121 static TopoDS_Edge GetEdgeByVertices( SMESH_Mesh* aMesh,
122 const TopoDS_Vertex& V1,
123 const TopoDS_Vertex& V2);
126 * \brief Return another face sharing an edge
127 * \param aMesh - mesh
130 * \retval TopoDS_Face - found face
132 static TopoDS_Face GetNextFace( SMESH_Mesh* aMesh,
133 const TopoDS_Edge& edge,
134 const TopoDS_Face& face);
137 * \brief Return an oriented propagation edge
138 * \param aMesh - mesh
139 * \param fromEdge - start edge for propagation
140 * \retval pair<int,TopoDS_Edge> - propagation step and found edge
142 static std::pair<int,TopoDS_Edge> GetPropagationEdge( SMESH_Mesh* aMesh,
143 const TopoDS_Edge& anEdge,
144 const TopoDS_Edge& fromEdge);
147 * \brief Find corresponding nodes on two faces
148 * \param face1 - the first face
149 * \param mesh1 - mesh containing elements on the first face
150 * \param face2 - the second face
151 * \param mesh2 - mesh containing elements on the second face
152 * \param assocMap - map associating subshapes of the faces
153 * \param nodeIn2OutMap - map containing found matching nodes
154 * \retval bool - is a success
156 static bool FindMatchingNodesOnFaces( const TopoDS_Face& face1,
158 const TopoDS_Face& face2,
160 const TShapeShapeMap & assocMap,
161 TNodeNodeMap & nodeIn2OutMap);
163 * \brief Check if the first and last vertices of an edge are the same
164 * \param anEdge - the edge to check
165 * \retval bool - true if same
167 static bool IsClosedEdge( const TopoDS_Edge& anEdge );
170 * \brief Return any subshape of a face belonging to the outer wire
171 * \param face - the face
172 * \param type - type of subshape to return
173 * \retval TopoDS_Shape - the found subshape
175 static TopoDS_Shape OuterShape( const TopoDS_Face& face,
176 TopAbs_ShapeEnum type);
179 * \brief Check that submeshis is computed and try to compute it if is not
180 * \param sm - submesh to compute
181 * \param iterationNb - int used to stop infinite recursive call
182 * \retval bool - true if computed
184 static bool MakeComputed(SMESH_subMesh * sm, const int iterationNb = 0);
187 * \brief Count nb of subshapes
188 * \param shape - the shape
189 * \param type - the type of subshapes to count
190 * \param ignoreSame - if true, use map not to count same shapes, esle use explorer
191 * \retval int - the calculated number
193 static int Count(const TopoDS_Shape& shape,
194 const TopAbs_ShapeEnum type,
195 const bool ignoreSame);
198 * \brief Set event listeners to submesh with projection algo
199 * \param subMesh - submesh with projection algo
200 * \param srcShape - source shape
201 * \param srcMesh - source mesh
203 static void SetEventListener(SMESH_subMesh* subMesh,
204 TopoDS_Shape srcShape,
205 SMESH_Mesh* srcMesh);