src/MEDLoader/Swig/SauvLoaderTest.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2014  CEA/DEN, EDF R&D
   3 #
   4 # This library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8 #
   9 # This library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with this library; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 #
  18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  19 #
  20 # Author : Edward AGAPOV (eap)
  21
  22 from MEDLoader import *
  23 import unittest, os
  24 from MEDLoaderDataForTest import MEDLoaderDataForTest
  25
  26 class SauvLoaderTest(unittest.TestCase):
  27
  28     def testSauv2Med(self):
  29         # get a file containing all types of readable piles
  30         self.assertTrue( os.getenv("MED_ROOT_DIR") )
  31         sauvFile = os.path.join( os.getenv("MED_ROOT_DIR"), "share","salome",
  32                                  "resources","med","allPillesTest.sauv")
  33         self.assertTrue( os.access( sauvFile, os.F_OK))
  34
  35         # read SAUV and write MED
  36         medFile = "SauvLoaderTest.med"
  37         sr=SauvReader(sauvFile);
  38         d2=sr.loadInMEDFileDS();
  39         d2.write(medFile,0);
  40
  41         # check
  42         self.assertEqual(1,d2.getNumberOfMeshes())
  43         self.assertEqual(8+97,d2.getNumberOfFields())
  44         mm = d2.getMeshes()
  45         m = mm.getMeshAtPos(0)
  46         self.assertEqual(17,len(m.getGroupsNames()))
  47
  48         os.remove( medFile )
  49         pass
  50
  51     def testMed2Sauv(self):
  52         # read pointe.med
  53         self.assertTrue( os.getenv("MED_ROOT_DIR") )
  54         medFile = os.path.join( os.getenv("MED_ROOT_DIR"), "share","salome",
  55                                 "resources","med","pointe.med")
  56         self.assertTrue( os.access( medFile, os.F_OK))
  57         pointeMed = MEDFileData.New( medFile )
  58
  59         # add 3 faces to pointeMed
  60         pointeMedMesh = pointeMed.getMeshes().getMeshAtPos(0)
  61         pointeM1D = MEDCouplingUMesh.New()
  62         pointeM1D.setCoords( pointeMedMesh.getCoords() )
  63         pointeM1D.setMeshDimension( 2 )
  64         pointeM1D.allocateCells( 3 )
  65         pointeM1D.insertNextCell( NORM_TRI3, 3, [0,1,2])
  66         pointeM1D.insertNextCell( NORM_TRI3, 3, [0,1,3])
  67         pointeM1D.insertNextCell( NORM_QUAD4, 4, [10,11,12,13])
  68         pointeM1D.finishInsertingCells()
  69         pointeMedMesh.setMeshAtLevel( -1, pointeM1D )
  70         pointeMed.getMeshes().setMeshAtPos( 0, pointeMedMesh )
  71
  72         # add a field on 2 faces to pointeMed
  73         ff1=MEDFileFieldMultiTS.New()
  74         f1=MEDCouplingFieldDouble.New(ON_GAUSS_NE,ONE_TIME)
  75         #f1.setMesh( pointeM1D )
  76         f1.setName("Field on 2 faces")
  77         d=DataArrayDouble.New()
  78         d.alloc(3+4,2)
  79         d.setInfoOnComponent(0,"sigX [MPa]")
  80         d.setInfoOnComponent(1,"sigY [GPa]")
  81         d.setValues([311,312,321,322,331,332,411,412,421,422,431,432,441,442],3+4,2)
  82         f1.setArray(d)
  83         da=DataArrayInt.New()
  84         da.setValues([0,2],2,1)
  85         da.setName("sup2")
  86         ff1.appendFieldProfile(f1,pointeMedMesh,-1,da)
  87         pointeMed.getFields().pushField( ff1 )
  88
  89         #remove fieldnodeint
  90         pointeFields = pointeMed.getFields()
  91         for i in range( pointeFields.getNumberOfFields() ):
  92             if pointeFields.getFieldAtPos(i).getName() == "fieldnodeint":
  93                 pointeFields.destroyFieldAtPos( i )
  94                 break
  95
  96         # write pointeMed to SAUV
  97         sauvFile = "SauvLoaderTest.sauv"
  98         sw=SauvWriter();
  99         sw.setMEDFileDS(pointeMed);
 100         sw.write(sauvFile);
 101
 102         # read SAUV and check
 103         sr=SauvReader.New(sauvFile);
 104         d2=sr.loadInMEDFileDS();
 105         self.assertEqual(1,d2.getNumberOfMeshes())
 106         self.assertEqual(4,d2.getNumberOfFields())
 107         m = d2.getMeshes().getMeshAtPos(0)
 108         self.assertEqual("maa1",m.getName())
 109         self.assertEqual(6,len(m.getGroupsNames()))
 110         self.assertEqual(3,m.getMeshDimension())
 111         groups = m.getGroupsNames()
 112         self.assertTrue( "groupe1" in groups )
 113         self.assertTrue( "groupe2" in groups )
 114         self.assertTrue( "groupe3" in groups )
 115         self.assertTrue( "groupe4" in groups )
 116         self.assertTrue( "groupe5" in groups )
 117         self.assertTrue( "maa1" in groups )
 118         self.assertEqual(16,m.getSizeAtLevel(0))
 119         um0 = m.getGenMeshAtLevel(0)
 120         self.assertEqual(12, um0.getNumberOfCellsWithType( NORM_TETRA4 ))
 121         self.assertEqual(2, um0.getNumberOfCellsWithType( NORM_PYRA5 ))
 122         self.assertEqual(2, um0.getNumberOfCellsWithType( NORM_HEXA8 ))
 123         um1 = m.getGenMeshAtLevel(-1)
 124         self.assertEqual(2, um1.getNumberOfCellsWithType( NORM_TRI3 ))
 125         pointeUM0 = pointeMedMesh.getGenMeshAtLevel(0)
 126         self.assertTrue(m.getCoords().isEqualWithoutConsideringStr(pointeMedMesh.getCoords(),1e-12))
 127         self.assertEqual( um0.getMeasureField(0).accumulate(0),
 128                           pointeUM0.getMeasureField(0).accumulate(0),1e-12)
 129         # check fields
 130         # fieldnodedouble
 131         fieldnodedoubleTS1 = pointeMed.getFields().getFieldWithName("fieldnodedouble")
 132         fieldnodedoubleTS2 = d2.getFields().getFieldWithName("fieldnodedouble")
 133         self.assertEqual( fieldnodedoubleTS1.getInfo(), fieldnodedoubleTS2.getInfo())
 134         self.assertEqual( fieldnodedoubleTS1.getNumberOfTS(), fieldnodedoubleTS2.getNumberOfTS())
 135         io1 = fieldnodedoubleTS1.getIterations()
 136         io2 = fieldnodedoubleTS2.getIterations()
 137         for i in range(fieldnodedoubleTS1.getNumberOfTS() ):
 138             fnd1 = fieldnodedoubleTS1.getFieldOnMeshAtLevel(ON_NODES, io1[i][0],io1[i][1],pointeUM0)
 139             fnd2 = fieldnodedoubleTS2.getFieldOnMeshAtLevel(ON_NODES, io2[i][0],io2[i][1],um0)
 140             self.assertTrue( fnd1.getArray().isEqual( fnd2.getArray(), 1e-12 ))
 141         # fieldcelldoublevector
 142         fieldnodedoubleTS1 = pointeMed.getFields().getFieldWithName("fieldcelldoublevector")
 143         fieldnodedoubleTS2 = d2.getFields().getFieldWithName("fieldcelldoublevector")
 144         self.assertEqual( fieldnodedoubleTS1.getInfo(), fieldnodedoubleTS2.getInfo())
 145         self.assertEqual( fieldnodedoubleTS1.getNumberOfTS(), fieldnodedoubleTS2.getNumberOfTS())
 146         io1 = fieldnodedoubleTS1.getIterations()
 147         io2 = fieldnodedoubleTS2.getIterations()
 148         for i in range(fieldnodedoubleTS1.getNumberOfTS() ):
 149             fnd1 = fieldnodedoubleTS1.getFieldOnMeshAtLevel(ON_CELLS, io1[i][0],io1[i][1],pointeUM0)
 150             fnd2 = fieldnodedoubleTS2.getFieldOnMeshAtLevel(ON_CELLS, io2[i][0],io2[i][1],um0)
 151             self.assertAlmostEqual( fnd1.accumulate(0), fnd2.accumulate(0) )
 152             self.assertAlmostEqual( fnd1.accumulate(1), fnd2.accumulate(1) )
 153             self.assertAlmostEqual( fnd1.accumulate(2), fnd2.accumulate(2) )
 154             # Field on 2 faces
 155             fieldOnFaces = d2.getFields().getFieldWithName(f1.getName())
 156             io1 = fieldOnFaces.getIterations()
 157             fof = fieldOnFaces.getFieldOnMeshAtLevel(f1.getTypeOfField(),io1[i][0],io1[i][1],um1)
 158             self.assertTrue( d.isEqual( fof.getArray(), 1e-12 ))
 159             pass
 160         del sr
 161         os.remove( sauvFile )
 162         pass
 163
 164     def testSauv2MedWONodeFamilyNum(self):
 165         """test for issue 0021673: [CEA 566] Bug in SauvWriter when writing meshes
 166         having no family ids on nodes."""
 167
 168         myCoords=DataArrayDouble.New([-0.3,-0.3, 0.2,-0.3, 0.7,-0.3, -0.3,0.2, 0.2,0.2, 0.7,0.2, -0.3,0.7, 0.2,0.7, 0.7,0.7 ],9,2)
 169         targetConn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4];
 170         targetMesh=MEDCouplingUMesh.New("BugInSauvWriter",2);
 171         targetMesh.allocateCells(5);
 172         targetMesh.insertNextCell(NORM_TRI3,3,targetConn[4:7]);
 173         targetMesh.insertNextCell(NORM_TRI3,3,targetConn[7:10]);
 174         targetMesh.insertNextCell(NORM_QUAD4,4,targetConn[0:4]);
 175         targetMesh.insertNextCell(NORM_QUAD4,4,targetConn[10:14]);
 176         targetMesh.insertNextCell(NORM_QUAD4,4,targetConn[14:18]);
 177         targetMesh.finishInsertingCells();
 178         targetMesh.setCoords(myCoords);
 179         #
 180         m=MEDFileUMesh.New()
 181         m.setMeshAtLevel(0,targetMesh)
 182         # start of bug
 183         fam=DataArrayInt.New(targetMesh.getNumberOfNodes())
 184         fam[:]=0
 185         #m.setFamilyFieldArr(1,fam)
 186         #end of bug
 187
 188         ms=MEDFileMeshes.New()
 189         ms.setMeshAtPos(0,m)
 190         meddata=MEDFileData.New()
 191         meddata.setMeshes(ms)
 192
 193         medFile = "BugInSauvWriter.sauv"
 194         sw=SauvWriter.New();
 195         sw.setMEDFileDS(meddata);
 196         sw.write(medFile);
 197
 198         os.remove( medFile )
 199         pass
 200
 201     def testSauv2MedOnPipe1D(self):
 202         """test for issue 0021745: [CEA 600] Some missing groups in mesh after reading a SAUV file with SauvReader."""
 203         sauvFile="Test_sauve_1D.sauv"
 204         # Make a sauve file with a qudratic 1D mesh
 205         m=MEDCouplingUMesh.New("pipe1D",1)
 206         m.allocateCells(2);
 207         targetConn=[0,2,1, 2,4,3]
 208         m.insertNextCell(NORM_SEG3,3,targetConn[0:3])
 209         m.insertNextCell(NORM_SEG3,3,targetConn[3:6])
 210         m.finishInsertingCells();
 211         # coords
 212         coords=[ 0.,1.,2.,4.,5. ];
 213         c=DataArrayDouble.New()
 214         c.setValues(coords,5,1)
 215         m.setCoords(c)
 216         # MEDFileUMesh
 217         mm=MEDFileUMesh.New()
 218         mm.setName(m.getName())
 219         mm.setDescription("1D mesh")
 220         mm.setCoords(c)
 221         mm.setMeshAtLevel(0,m);
 222         # MEDFileData
 223         mfd1 = MEDFileData.New()
 224         ms=MEDFileMeshes.New(); ms.setMeshAtPos(0,mm)
 225         mfd1.setMeshes(ms)
 226         # write
 227         sw=SauvWriter.New()
 228         sw.setMEDFileDS(mfd1)
 229         sw.write(sauvFile)
 230         # Check connectivity read from the sauv file
 231         sr = SauvReader.New(sauvFile)
 232         mfd2 = sr.loadInMEDFileDS()
 233         mfMesh = mfd2.getMeshes()[0]
 234         mesh = mfMesh.getMeshAtLevel(0)
 235         self.assertTrue(mesh.getNodalConnectivity().isEqual(m.getNodalConnectivity()))
 236         #
 237         del sr
 238         os.remove(sauvFile)
 239         pass
 240
 241     @unittest.skipUnless(MEDLoader.HasXDR(),"requires XDR")
 242     def testMissingGroups(self):
 243         """test for issue 0021749: [CEA 601] Some missing groups in mesh after reading a SAUV file with SauvReader."""
 244         self.assertTrue( os.getenv("MED_ROOT_DIR") )
 245         sauvFile = os.path.join( os.getenv("MED_ROOT_DIR"), "share","salome",
 246                                  "resources","med","BDC-714.sauv")
 247         self.assertTrue( os.access( sauvFile, os.F_OK))
 248         name_of_group_on_cells='Slice10:ABSORBER'
 249         name_of_group_on_cells2='Slice10:00LR'
 250         sr=SauvReader.New(sauvFile)
 251         mfd2=sr.loadInMEDFileDS()
 252         mfMesh=mfd2.getMeshes()[0]
 253         #
 254         self.assertTrue(name_of_group_on_cells in mfMesh.getGroupsNames())
 255         self.assertTrue(name_of_group_on_cells2 in mfMesh.getGroupsNames())
 256         self.assertEqual(270,len(mfMesh.getGroupsNames()))
 257         #
 258         ids1=mfMesh.getGroupArr(0,name_of_group_on_cells)
 259         ids2=mfMesh.getGroupArr(0,name_of_group_on_cells2)
 260         ids1.setName("")
 261         ids2.setName("")
 262         self.assertTrue(ids1.isEqual(ids2))
 263         pass
 264
 265     def testGaussPt(self):
 266         """issue 22321: [CEA 933] Bug when reading a sauve file containing field on Gauss Pt.
 267         The problem was that a field ON_GAUSS_PT was created but no Gauss Localization
 268         was defined"""
 269
 270         # create a MEDFileData with a field ON_GAUSS_PT: 9 Gauss points, on 4 QUAD8 elements
 271         f=MEDCouplingFieldDouble(ON_GAUSS_PT)
 272         m=MEDCouplingUMesh("mesh",2) ; m.allocateCells()
 273         m.insertNextCell(NORM_QUAD8,[0,2,4,6,1,3,5,7])
 274         m.insertNextCell(NORM_QUAD8,[2,9,11,4,8,10,12,3])
 275         m.insertNextCell(NORM_QUAD8,[6,4,14,16,5,13,15,17])
 276         m.insertNextCell(NORM_QUAD8,[4,11,19,14,12,18,20,13])
 277         m.setCoords(DataArrayDouble([(0,0),(0,0.25),(0,0.5),(0.25,0.5),(0.5,0.5),(0.5,0.25),(0.5,0),(0.25,0),(0,0.75),(0,1),(0.25,1),(0.5,1),(0.5,0.75),(0.75,0.5),(1,0.5),(1,0.25),(1,0),(0.75,0),(0.75,1),(1,1),(1,0.75)],21,2))
 278         f.setMesh(m)
 279         arr=DataArrayDouble(4*9*2) ; arr.iota() ; arr.rearrange(2) ; arr.setInfoOnComponents(["YOUN []","NU []"])
 280         f.setArray(arr)
 281         refCoo=[-1,-1,1,-1,1,1,-1,1,0,-1,1,0,0,1,-1,0]
 282         gpCoo=[-0.7,-0.7,0.7,-0.7,0.7,0.7,-0.7,0.7,0,-0.7,0.7,0,0,0.7,-0.7,0,0,0]
 283         wgt=[0.3,0.3,0.3,0.3,0.4,0.4,0.4,0.4,0.7]
 284         f.setGaussLocalizationOnType(NORM_QUAD8,refCoo,gpCoo,wgt)
 285         f.setName("SIGT")
 286         f.checkCoherency()
 287         #
 288         mm=MEDFileUMesh()
 289         mm.setMeshAtLevel(0,m)
 290         mfm = MEDFileMeshes()
 291         mfm.pushMesh( mm )
 292         ff=MEDFileField1TS()
 293         ff.setFieldNoProfileSBT(f)
 294         mfmts = MEDFileFieldMultiTS()
 295         mfmts.pushBackTimeStep(ff)
 296         mff = MEDFileFields()
 297         mff.pushField( mfmts )
 298         mfd = MEDFileData.New()
 299         mfd.setFields( mff )
 300         mfd.setMeshes( mfm )
 301
 302         # convert the MED file to a SAUV file
 303         sauvFile = "SauvLoaderTest_testGaussPt.sauv"
 304         sw=SauvWriter.New();
 305         sw.setMEDFileDS(mfd);
 306         sw.write(sauvFile);
 307
 308         # convert the SAUV file back to MED
 309         sr=SauvReader.New(sauvFile);
 310         d2=sr.loadInMEDFileDS();
 311
 312         self.assertEqual( 1, d2.getNumberOfFields() )
 313         self.assertEqual( 1, d2.getNumberOfMeshes() )
 314         mfm2 = d2.getMeshes()[0]
 315         mff2 = d2.getFields()[0]
 316         m2 = mfm2.getMeshAtLevel(0)
 317         f2 = mff2.getTimeStepAtPos(0).getFieldOnMeshAtLevel(f.getTypeOfField(),0,mfm2)
 318         f2.setGaussLocalizationOnType(NORM_QUAD8,refCoo,gpCoo,wgt) # not stored in SAUV
 319         #f2.setOrder( f.getTime()[2] ) # not stored in SAUV
 320         self.assertTrue( m2.isEqual( m, 1e-12 ))
 321         self.assertTrue( f2.isEqual( f, 1e-12, 1e-12 ))
 322         del sr
 323         os.remove( sauvFile )
 324         pass
 325
 326     def testSauvWriterGroupWithOneFamily(self):
 327         """
 328         This test checks an option for sauv writing. It is requested here to copy a group from a family if a group is lying on a single family.
 329         """
 330         import re
 331         mfd=MEDLoaderDataForTest.buildAMEDFileDataWithGroupOnOneFamilyForSauv()
 332         sauvFile = "mesh.sauv"
 333         sw=SauvWriter.New()
 334         sw.setMEDFileDS(mfd)
 335         self.assertTrue(not sw.getCpyGrpIfOnASingleFamilyStatus())
 336         sw.setCpyGrpIfOnASingleFamilyStatus(True)
 337         self.assertTrue(sw.getCpyGrpIfOnASingleFamilyStatus())
 338         sw.write(sauvFile)
 339
 340         f = open(sauvFile)
 341         # String pattern for the header of the sub meshes record ("PILE" number, number of named objects, number of objects)
 342         pattern_pile= re.compile(r'\sPILE\sNUMERO\s+(?P<number>[0-9]+)NBRE\sOBJETS\sNOMMES\s+(?P<nbnamed>[0-9]+)NBRE\sOBJETS\s+(?P<nbobjects>[0-9]+)')
 343         # String pattern for a sub mesh header (cell type, number of components and three numbers)
 344         pattern_header=re.compile(r'\s+(?P<type>[0-9]+)\s+(?P<nbsubs>[0-9]+)\s+[0-9]+\s+[0-9]+\s+[0-9]+')
 345
 346         nbobjects=0
 347         line = f.readline()
 348         while(line):
 349             match_pile = pattern_pile.match(line)
 350             if match_pile:
 351                 number=int(match_pile.group("number"))
 352                 if number == 1:
 353                     nbnamed=int(match_pile.group("nbnamed"))
 354                     nbobjects=int(match_pile.group("nbobjects"))
 355                     break
 356                 pass
 357             line=f.readline()
 358             pass
 359
 360         # Skipping the objects names
 361         f.readline()
 362         # Skipping the objects ids
 363         f.readline()
 364
 365         # Looking for each sub-mesh header
 366         line = f.readline()
 367         cur_object=0
 368         while(line and cur_object < nbobjects):
 369             match_header=pattern_header.match(line)
 370             if match_header:
 371                 cell_type=int(match_header.group("type"))
 372                 nb_subs=int(match_header.group("nbsubs"))
 373                 # Looking for a compound object
 374                 if cell_type == 0:
 375                     # Testing if there is only one component
 376                     self.assertTrue(nb_subs > 1)
 377                 else:
 378                     f.readline()
 379                     f.readline()
 380                     cur_object = cur_object + 1
 381                     pass
 382                 pass
 383             line=f.readline()
 384             pass
 385         os.remove(sauvFile)
 386         pass
 387
 388     pass
 389
 390 unittest.main()