1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
4 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
5 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
7 # This library is free software; you can redistribute it and/or
8 # modify it under the terms of the GNU Lesser General Public
9 # License as published by the Free Software Foundation; either
10 # version 2.1 of the License.
12 # This library is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # Lesser General Public License for more details.
17 # You should have received a copy of the GNU Lesser General Public
18 # License along with this library; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
24 # Python script for testing T5.10 task
25 # ###########################################
26 #% Test structured mesh (GRID) reading from file test19.med
27 #% test19.med can be obtained by running test19_c.out executable
28 # or locally in MEDMEM directory create_grid
30 from libMEDMEM_Swig import *
34 #befor running this script, please be sure about the path the file fileName
36 filePath=os.environ["MED_ROOT_DIR"]
37 filePath=os.path.join(filePath, "share", "salome", "resources", "med")
39 medFile = os.path.join(filePath, "test19.med")
40 print "Read file", medFile
42 md = MEDFILEBROWSER(medFile)
44 nbMeshes = md.getNumberOfMeshes()
45 print "Nb meshes:", nbMeshes
47 raise RuntimeError, "Can't read med file"
49 ##############################
51 ##############################
53 mesh_name = md.getMeshName(0)
54 print "Read", mesh_name
55 grid = GRID(MED_DRIVER,medFile,mesh_name)
57 if grid.getIsAGrid() == 0:
58 raise RuntimeError, "Mesh 0 is not a grid"
60 I = grid.getArrayLength(1)
61 print "_iArrayLength", I
63 raise RuntimeError, "Error in grid.getArrayLength(1)"
65 J = grid.getArrayLength(2)
66 print "_jArrayLength", J
68 raise RuntimeError, "Error in grid.getArrayLength(2)"
70 K = grid.getArrayLength(3)
71 print "_kArrayLength", K
73 raise RuntimeError, "Error in grid.getArrayLength(3)"
75 grid_type = grid.getGridType()
76 print "grid_type =", grid_type
77 if grid_type != MED_CARTESIAN:
78 raise RuntimeError, "Wrong grid type"
80 spaceDim = grid.getSpaceDimension()
81 print "spaceDim =", spaceDim
83 raise RuntimeError, "Wrong space dimention"
85 meshDim = grid.getMeshDimension()
86 print "meshDim =", meshDim
87 if spaceDim != meshDim:
88 raise RuntimeError, "Wrong mesh dimention"
90 nbNodes = grid.getNumberOfNodes()
91 print "nbNodes =", nbNodes
93 raise RuntimeError, "Wrong nb of nodes"
95 coordSyst = grid.getCoordinatesSystem()
96 print "coordSyst =", coordSyst
97 if coordSyst != "CARTESIAN":
98 raise RuntimeError, "Wrong coordinates system"
100 mesh = grid.convertInMESH()
101 coordinates = mesh.getCoordinates(MED_FULL_INTERLACE)
102 print "coordinates =", coordinates
103 xy = [ grid.getArrayValue(1, I-1 ) , grid.getArrayValue(2, J-1 ) ]
104 xy2 = coordinates[(nbNodes-1)*spaceDim:(nbNodes*spaceDim)]
107 if not list(xy) == list(xy2):
108 raise RuntimeError, "Error in grid.getCoordinates(MED_FULL_INTERLACE)"
110 nbTypesCell = grid.getNumberOfTypes(MED_CELL)
111 print "nbTypesCell =", nbTypesCell
113 raise RuntimeError, "Wrong nbTypesCell"
115 types = grid.getTypes(MED_CELL)
116 print "Cell types =", types
118 raise RuntimeError, "Wrong Cell types"
120 nbElemType = grid.getNumberOfElements(MED_CELL,types[0])
121 print "Nb cells =", nbElemType
123 raise RuntimeError, "Wrong Nb cells"
125 print "getEntityPosition : convert node number to i,j,k"
127 n1 = grid.getEntityPosition(MED_NODE,10)
128 n2 = grid.getEntityPosition(MED_NODE,16)
130 if n1 == [1,2]: o1 = "Ok"
132 if n2 == [3,3]: o2 = "Ok"
135 print "Node 10 -> i,j = ", n1, " : ", o1
136 print "Node 16 -> i,j = ", n2, " : ", o2
138 print "getEntityPosition : convert cell number to i,j,k"
140 n1 = grid.getEntityPosition(MED_CELL,3)
141 n2 = grid.getEntityPosition(MED_CELL,4)
143 if n1 == [2,0]: o1 = "Ok"
145 if n2 == [0,1]: o2 = "Ok"
148 print "Cell 3 -> i,j = ", n1, " : ", o1
149 print "Cell 4 -> i,j = ", n2, " : ", o2
151 print "getEntityPosition : convert face number to i,j,k"
153 n1 = grid.getEntityPosition(MED_FACE,6)
154 n2 = grid.getEntityPosition(MED_FACE,8)
156 if n1 == [1,2,1]: o1 = "Ok"
158 if n2 == [1,1,2]: o2 = "Ok"
161 print "Face 6 -> i,j = ", n1, " : ", o1
162 print "Face 8 -> i,j = ", n2, " : ", o2
164 print "getNodeNumber : convert i,j,k to node number"
166 n1 = grid.getNodeNumber(2,1,0)
167 n2 = grid.getNodeNumber(1,2,0)
169 if n1 == 7: o1 = "Ok"
171 if n2 == 10: o2 = "Ok"
174 print "getNodeNumber 2,1,0 = ", n1, " : ", o1
175 print "getNodeNumber 1,2,0 = ", n2, " : ", o2
177 print "getCellNumber : convert i,j,k to cell number"
179 n1 = grid.getCellNumber(1,0,0)
180 n2 = grid.getCellNumber(2,1,0)
182 if n1 == 2: o1 = "Ok"
184 if n2 == 6: o2 = "Ok"
187 print "getCellNumber 1,0,0 = ", n1, " : ", o1
188 print "getCellNumber 2,1,0 = ", n2, " : ", o2
190 print "getFaceNumber : convert i,j,k to face number"
192 n1 = grid.getFaceNumber(0,0,2,0)
193 n2 = grid.getFaceNumber(0,1,1,0)
195 if n1 == 7: o1 = "Ok"
197 if n2 == 5: o2 = "Ok"
200 print "getFaceNumber 1,0,2,0 = ", n1, " : ", o1
201 print "getFaceNumber 1,1,1,0 = ", n2, " : ", o2
204 n1 = grid.getNodeNumber(0,0,0)
205 n2 = grid.getNodeNumber(0,1,0)
206 n3 = grid.getNodeNumber(1,1,0)
207 n4 = grid.getNodeNumber(1,0,0)
209 conn1 = [n1,n2,n3,n4]
211 Connectivity = mesh.getConnectivity(MED_NODAL,MED_CELL,types[0])
212 print "connectivity =", Connectivity
214 print "Cell 1 nodes:", conn1, Connectivity[0:4]
215 if list(conn1) != list(Connectivity[0:4]):
216 raise RuntimeError, "Wrong nodal connectivity"
219 ReverseConnectivity = mesh.getReverseConnectivity(MED_NODAL)
220 ReverseConnectivityIndex = mesh.getReverseConnectivityIndex(MED_NODAL)
222 beg = ReverseConnectivityIndex[n-1]-1
223 end = ReverseConnectivityIndex[n]-1
224 print "Node",n,"rev connectivity =",ReverseConnectivity[beg:end]
226 raise RuntimeError, "Wrong reverse connectivity"
227 if ReverseConnectivity[beg] != 1:
228 raise RuntimeError, "Wrong reverse connectivity"
230 edgfecon = mesh.getConnectivity(MED_NODAL,MED_EDGE,MED_ALL_ELEMENTS)
234 mesh.calculateConnectivity(MED_DESCENDING,MED_CELL)
235 Connectivity = mesh.getConnectivity(MED_DESCENDING,MED_CELL,MED_ALL_ELEMENTS)
236 ConnectivityIndex = mesh.getConnectivityIndex(MED_DESCENDING,MED_CELL)
238 beg = ConnectivityIndex[n-1]-1
239 end = ConnectivityIndex[n]-1
240 print "Element",n,"descending connectivity -->",Connectivity[beg:end]
241 if list(Connectivity[beg:end]) != [13, 4, 14, 1]:
242 raise RuntimeError, "Wrong descending connectivity"
244 print "getReverseConnectivity(MED_DESCENDING)", mesh.getReverseConnectivity(MED_DESCENDING)
245 print "grid.getReverseConnectivityIndex(MED_DESCENDING)",mesh.getReverseConnectivityIndex(MED_DESCENDING)
247 ##############################
249 ##############################
251 mesh_name = md.getMeshName(1)
252 print "Read", mesh_name
253 grid = GRID(MED_DRIVER,medFile,mesh_name)
255 if grid.getIsAGrid() == 0:
256 raise RuntimeError, "Mesh 1 is not a grid"
258 mesh = grid.convertInMESH()
260 I = grid.getArrayLength(1)
261 print "_iArrayLength", I
263 raise RuntimeError, "Error in grid.getArrayLength(1)"
265 J = grid.getArrayLength(2)
266 print "_jArrayLength", J
268 raise RuntimeError, "Error in grid.getArrayLength(2)"
270 K = grid.getArrayLength(3)
271 print "_kArrayLength", K
273 raise RuntimeError, "Error in grid.getArrayLength(3)"
275 grid_type = grid.getGridType()
276 print "grid_type =", grid_type
277 if grid_type != MED_BODY_FITTED:
278 raise RuntimeError, "Wrong grid type"
280 spaceDim = grid.getSpaceDimension()
281 print "spaceDim =", spaceDim
283 raise RuntimeError, "Wrong space dimention"
285 meshDim = grid.getMeshDimension()
286 print "meshDim =", meshDim
287 if spaceDim != meshDim:
288 raise RuntimeError, "Wrong mesh dimention"
290 nbNodes = grid.getNumberOfNodes()
291 print "nbNodes =", nbNodes
293 raise RuntimeError, "Wrong nb of nodes"
295 coordSyst = grid.getCoordinatesSystem()
296 print "coordSyst =", coordSyst
297 if coordSyst != "CARTESIAN":
298 raise RuntimeError, "Wrong coordinates system"
300 nbTypesCell = grid.getNumberOfTypes(MED_CELL)
301 print "nbTypesCell =", nbTypesCell
303 raise RuntimeError, "Wrong nbTypesCell"
305 types = grid.getTypes(MED_CELL)
306 print "Cell types =", types
308 raise RuntimeError, "Wrong Cell types"
310 nbElemType = grid.getNumberOfElements(MED_CELL,types[0])
311 print "Nb cells =", nbElemType
313 raise RuntimeError, "Wrong Nb cells"
315 Connectivity = mesh.getConnectivity(MED_NODAL,MED_CELL,types[0])
316 print "connectivity =", Connectivity
317 n1 = grid.getNodeNumber(0,0,0)
318 n2 = grid.getNodeNumber(0,1,0)
319 n3 = grid.getNodeNumber(1,1,0)
320 n4 = grid.getNodeNumber(1,0,0)
321 conn1 = [n1,n2,n3,n4]
322 print "Cell 1 nodes:", conn1, Connectivity[0:4]
323 if conn1 != list(Connectivity[0:4]):
324 raise RuntimeError, "Wrong nodal connectivity"
326 ##############################################
327 # test "maa1" which in fact is not a pure GRID
328 ##############################################
330 mesh_name = md.getMeshName(2)
332 print "Read", mesh_name
333 mesh = MESH(MED_DRIVER,md.getFileName(),mesh_name)
335 if mesh.getIsAGrid() == 0:
336 print "Mesh ",mesh_name," is not a grid"
338 print "END of the Pyhton script ..... Ctrl D to exit"