1 // SMESH SMDS : implementaion of Salome mesh data structure
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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
24 // File : SMDS_MeshTetrahedron.cxx
25 // Author : Jean-Michel BOULCOURT
29 #include "SMDS_MeshTetrahedron.ixx"
30 #include "Standard_ConstructionError.hxx"
32 //=======================================================================
33 //function : SMDS_MeshTetrahedron
34 //purpose : Tetrahedra
35 //=======================================================================
37 SMDS_MeshTetrahedron::SMDS_MeshTetrahedron(const Standard_Integer ID,
38 const Standard_Integer idnode1,
39 const Standard_Integer idnode2,
40 const Standard_Integer idnode3,
41 const Standard_Integer idnode4):SMDS_MeshVolume(ID,4)
43 SetConnections(idnode1,idnode2,idnode3,idnode4);
48 //=======================================================================
49 //function : SetConnections
50 //purpose : Tetrahedra
51 //=======================================================================
52 void SMDS_MeshTetrahedron::SetConnections(const Standard_Integer idnode1,
53 const Standard_Integer idnode2,
54 const Standard_Integer idnode3,
55 const Standard_Integer idnode4)
57 Standard_Integer idmin = (idnode1 < idnode2 ? idnode1 : idnode2);
58 idmin = (idmin < idnode3 ? idmin : idnode3);
59 idmin = (idmin < idnode4 ? idmin : idnode4);
62 if (idmin == idnode1) {
66 } else if (idmin == idnode2) {
70 } else if (idmin == idnode3) {
83 //=======================================================================
84 //function : NodesOfFace
85 //purpose : returns the rank node in mynodes. Useful to extract faces from volume
86 //=======================================================================
87 Standard_Integer SMDS_MeshTetrahedron::NodesOfFace(const Standard_Integer rankface,
88 const Standard_Integer ranknode)
90 static Standard_Integer facenode[4][3] = {
97 return facenode[rankface-1][ranknode-1];
101 //=======================================================================
102 //function : NodesOfEdge
103 //purpose : returns the rank node in mynodes. Useful to extract edges from volume
104 //=======================================================================
105 Standard_Integer SMDS_MeshTetrahedron::NodesOfEdge(const Standard_Integer rankedge,
106 const Standard_Integer ranknode) const
108 static Standard_Integer faceedge[6][2] = {
117 return faceedge[rankedge-1][ranknode-1];
121 //=======================================================================
122 //function : GetFaceDefinedByNodes
124 //=======================================================================
125 void SMDS_MeshTetrahedron::GetFaceDefinedByNodes(const Standard_Integer rank,
126 const Standard_Address idnode,
127 Standard_Integer& nb) const
129 Standard_Integer *ptr;
131 ptr = (Standard_Integer *)idnode;
132 ptr[0] = myNodes[NodesOfFace(rank,1)];
133 ptr[1] = myNodes[NodesOfFace(rank,2)];
134 ptr[2] = myNodes[NodesOfFace(rank,3)];
138 //=======================================================================
139 //function : GetEdgeDefinedByNodes
141 //=======================================================================
142 void SMDS_MeshTetrahedron::GetEdgeDefinedByNodes(const Standard_Integer rank,
143 Standard_Integer& idnode1,
144 Standard_Integer& idnode2) const
146 idnode1 = myNodes[NodesOfEdge(rank,1)];
147 idnode2 = myNodes[NodesOfEdge(rank,2)];