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_MeshHexahedron.cxx
25 // Author : Jean-Michel BOULCOURT
29 #include "SMDS_MeshHexahedron.ixx"
30 #include <Standard_ConstructionError.hxx>
33 //=======================================================================
34 //function : SMDS_MeshHexahedron
36 //=======================================================================
38 SMDS_MeshHexahedron::SMDS_MeshHexahedron(const Standard_Integer ID,
39 const Standard_Integer idnode1,
40 const Standard_Integer idnode2,
41 const Standard_Integer idnode3,
42 const Standard_Integer idnode4,
43 const Standard_Integer idnode5,
44 const Standard_Integer idnode6,
45 const Standard_Integer idnode7,
46 const Standard_Integer idnode8):SMDS_MeshVolume(ID,8)
48 SetConnections(idnode1,idnode2,idnode3,idnode4,idnode5,idnode6,idnode7,idnode8);
53 //=======================================================================
54 //function : SetConnections
55 //purpose : Heaxahedron
56 //=======================================================================
57 void SMDS_MeshHexahedron::SetConnections(const Standard_Integer idnode1,
58 const Standard_Integer idnode2,
59 const Standard_Integer idnode3,
60 const Standard_Integer idnode4,
61 const Standard_Integer idnode5,
62 const Standard_Integer idnode6,
63 const Standard_Integer idnode7,
64 const Standard_Integer idnode8)
66 Standard_Integer idmin = (idnode1 < idnode2 ? idnode1 : idnode2);
67 idmin = (idmin < idnode3 ? idmin : idnode3);
68 idmin = (idmin < idnode4 ? idmin : idnode4);
69 idmin = (idmin < idnode5 ? idmin : idnode5);
70 idmin = (idmin < idnode6 ? idmin : idnode6);
71 idmin = (idmin < idnode7 ? idmin : idnode7);
72 idmin = (idmin < idnode8 ? idmin : idnode8);
75 if (idmin == idnode1) { // 1 2 3 4 5 6 7 8
83 } else if (idmin == idnode2) { // 2 3 4 1 6 7 8 5
91 } else if (idmin == idnode3) { // 3 4 1 2 7 8 5 6
99 } else if (idmin == idnode4) { // 4 1 2 3 8 5 6 7
100 myNodes[1] = idnode1;
101 myNodes[2] = idnode2;
102 myNodes[3] = idnode3;
103 myNodes[4] = idnode8;
104 myNodes[5] = idnode5;
105 myNodes[6] = idnode6;
106 myNodes[7] = idnode7;
107 } else if (idmin == idnode5) { // 5 6 7 8 1 2 3 4
108 myNodes[1] = idnode6;
109 myNodes[2] = idnode7;
110 myNodes[3] = idnode8;
111 myNodes[4] = idnode1;
112 myNodes[5] = idnode2;
113 myNodes[6] = idnode3;
114 myNodes[7] = idnode4;
115 } else if (idmin == idnode6){ // 6 7 8 5 2 3 4 1
116 myNodes[1] = idnode7;
117 myNodes[2] = idnode8;
118 myNodes[3] = idnode5;
119 myNodes[4] = idnode2;
120 myNodes[5] = idnode3;
121 myNodes[6] = idnode4;
122 myNodes[7] = idnode1;
123 } else if (idmin == idnode7) { // 7 8 5 6 3 4 1 2
124 myNodes[1] = idnode8;
125 myNodes[2] = idnode5;
126 myNodes[3] = idnode6;
127 myNodes[4] = idnode3;
128 myNodes[5] = idnode4;
129 myNodes[6] = idnode1;
130 myNodes[7] = idnode2;
131 } else { // 8 5 6 7 4 1 2 3
132 myNodes[1] = idnode5;
133 myNodes[2] = idnode6;
134 myNodes[3] = idnode7;
135 myNodes[4] = idnode4;
136 myNodes[5] = idnode1;
137 myNodes[6] = idnode2;
138 myNodes[7] = idnode3;
143 //=======================================================================
144 //function : NodesOfFace
145 //purpose : returns the rank node in mynodes. Useful to extract faces from volume
146 //=======================================================================
147 Standard_Integer SMDS_MeshHexahedron::NodesOfFace(const Standard_Integer rankface,
148 const Standard_Integer ranknode)
150 static Standard_Integer facenode[6][4] = {
159 return facenode[rankface-1][ranknode-1];
162 //=======================================================================
163 //function : NodesOfEdge
164 //purpose : returns the rank node in mynodes. Useful to extract edges from volume
165 //=======================================================================
166 Standard_Integer SMDS_MeshHexahedron::NodesOfEdge(const Standard_Integer rankedge,
167 const Standard_Integer ranknode) const
169 static Standard_Integer faceedge[12][2] = {
185 return faceedge[rankedge-1][ranknode-1];
188 //=======================================================================
189 //function : GetFaceDefinedByNodes
191 //=======================================================================
192 void SMDS_MeshHexahedron::GetFaceDefinedByNodes(const Standard_Integer rank,
193 const Standard_Address idnode,
194 Standard_Integer& nb) const
196 Standard_Integer *ptr;
198 ptr = (Standard_Integer *)idnode;
199 ptr[0] = myNodes[NodesOfFace(rank,1)];
200 ptr[1] = myNodes[NodesOfFace(rank,2)];
201 ptr[2] = myNodes[NodesOfFace(rank,3)];
202 ptr[3] = myNodes[NodesOfFace(rank,4)];
206 //=======================================================================
207 //function : GetEdgeDefinedByNodes
209 //=======================================================================
210 void SMDS_MeshHexahedron::GetEdgeDefinedByNodes(const Standard_Integer rank,
211 Standard_Integer& idnode1,
212 Standard_Integer& idnode2) const
214 idnode1 = myNodes[NodesOfEdge(rank,1)];
215 idnode2 = myNodes[NodesOfEdge(rank,2)];