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 "SMESH_StdMeshers.hxx"
34 #include <TopTools_DataMapOfShapeShape.hxx>
35 #include <TopoDS_Edge.hxx>
36 #include <TopoDS_Vertex.hxx>
37 #include <TopoDS_Face.hxx>
45 class SMESH_Hypothesis;
47 class TopTools_IndexedDataMapOfShapeListOfShape;
50 * \brief Class encapsulating methods common to Projection algorithms
52 class StdMeshers_ProjectionUtils
56 typedef TopTools_DataMapOfShapeShape TShapeShapeMap;
57 typedef TopTools_IndexedDataMapOfShapeListOfShape TAncestorMap;
58 typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> TNodeNodeMap;
61 * \brief Looks for association of all subshapes of two shapes
62 * \param theShape1 - shape 1
63 * \param theMesh1 - mesh built on shape 1
64 * \param theShape2 - shape 2
65 * \param theMesh2 - mesh built on shape 2
66 * \param theAssociation - association map to be filled that may
67 * contain association of one or two pairs of vertices
68 * \retval bool - true if association found
70 static bool FindSubShapeAssociation(const TopoDS_Shape& theShape1,
72 const TopoDS_Shape& theShape2,
74 TShapeShapeMap & theAssociationMap);
77 * \brief Find association of edges of faces
78 * \param face1 - face 1
79 * \param VV1 - vertices of face 1
80 * \param face2 - face 2
81 * \param VV2 - vertices of face 2 associated with oned of face 1
82 * \param edges1 - out list of edges of face 1
83 * \param edges2 - out list of edges of face 2
84 * \retval int - nb of edges in an outer wire in a success case, else zero
86 static int FindFaceAssociation(const TopoDS_Face& face1,
88 const TopoDS_Face& face2,
90 std::list< TopoDS_Edge > & edges1,
91 std::list< TopoDS_Edge > & edges2);
94 * \brief Insert vertex association defined by a hypothesis into a map
95 * \param theHyp - hypothesis
96 * \param theAssociationMap - association map
97 * \param theTargetShape - the shape theHyp assigned to
99 static void InitVertexAssociation( const SMESH_Hypothesis* theHyp,
100 TShapeShapeMap & theAssociationMap,
101 const TopoDS_Shape& theTargetShape);
104 * \brief Inserts association theShape1 <-> theShape2 to TShapeShapeMap
105 * \param theShape1 - shape 1
106 * \param theShape2 - shape 2
107 * \param theAssociationMap - association map
108 * \param theBidirectional - if false, inserts theShape1 -> theShape2 association
109 * \retval bool - true if there was no association for these shapes before
111 static bool InsertAssociation( const TopoDS_Shape& theShape1,
112 const TopoDS_Shape& theShape2,
113 TShapeShapeMap & theAssociationMap,
114 const bool theBidirectional=true);
116 static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh );
118 static bool IsSubShape( const TopoDS_Shape& shape, const TopoDS_Shape& mainShape );
121 * \brief Finds an edge by its vertices in a main shape of the mesh
123 static TopoDS_Edge GetEdgeByVertices( SMESH_Mesh* aMesh,
124 const TopoDS_Vertex& V1,
125 const TopoDS_Vertex& V2);
128 * \brief Return another face sharing an edge
129 * \param edgeToFaces - data map of descendants to ancestors
131 static TopoDS_Face GetNextFace( const TAncestorMap& edgeToFaces,
132 const TopoDS_Edge& edge,
133 const TopoDS_Face& face);
135 * \brief Return other vertex of an edge
137 static TopoDS_Vertex GetNextVertex(const TopoDS_Edge& edge,
138 const TopoDS_Vertex& vertex);
141 * \brief Return an oriented propagation edge
142 * \param aMesh - mesh
143 * \param fromEdge - start edge for propagation
144 * \retval pair<int,TopoDS_Edge> - propagation step and found edge
146 static std::pair<int,TopoDS_Edge> GetPropagationEdge( SMESH_Mesh* aMesh,
147 const TopoDS_Edge& anEdge,
148 const TopoDS_Edge& fromEdge);
151 * \brief Find corresponding nodes on two faces
152 * \param face1 - the first face
153 * \param mesh1 - mesh containing elements on the first face
154 * \param face2 - the second face
155 * \param mesh2 - mesh containing elements on the second face
156 * \param assocMap - map associating subshapes of the faces
157 * \param nodeIn2OutMap - map containing found matching nodes
158 * \retval bool - is a success
160 static bool FindMatchingNodesOnFaces( const TopoDS_Face& face1,
162 const TopoDS_Face& face2,
164 const TShapeShapeMap & assocMap,
165 TNodeNodeMap & nodeIn2OutMap);
167 * \brief Check if the first and last vertices of an edge are the same
168 * \param anEdge - the edge to check
169 * \retval bool - true if same
171 static bool IsClosedEdge( const TopoDS_Edge& anEdge );
174 * \brief Return any subshape of a face belonging to the outer wire
175 * \param face - the face
176 * \param type - type of subshape to return
177 * \retval TopoDS_Shape - the found subshape
179 static TopoDS_Shape OuterShape( const TopoDS_Face& face,
180 TopAbs_ShapeEnum type);
183 * \brief Check that submeshis is computed and try to compute it if is not
184 * \param sm - submesh to compute
185 * \param iterationNb - int used to stop infinite recursive call
186 * \retval bool - true if computed
188 static bool MakeComputed(SMESH_subMesh * sm, const int iterationNb = 0);
191 * \brief Count nb of subshapes
192 * \param shape - the shape
193 * \param type - the type of subshapes to count
194 * \param ignoreSame - if true, use map not to count same shapes, esle use explorer
195 * \retval int - the calculated number
197 static int Count(const TopoDS_Shape& shape,
198 const TopAbs_ShapeEnum type,
199 const bool ignoreSame);
202 * \brief Set event listeners to submesh with projection algo
203 * \param subMesh - submesh with projection algo
204 * \param srcShape - source shape
205 * \param srcMesh - source mesh
207 static void SetEventListener(SMESH_subMesh* subMesh,
208 TopoDS_Shape srcShape,
209 SMESH_Mesh* srcMesh);