src/MEDLoader/Swig/SauvLoaderTest.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2015  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 __getResourcesDirectory(self):
  29         med_root_dir = os.getenv("MEDCOUPLING_ROOT_DIR")
  30         if med_root_dir:
  31             pth = os.path.join( os.getenv("MEDCOUPLING_ROOT_DIR"), "share","resources","med")
  32             if os.path.exists(pth):
  33               return pth
  34         current_dir = os.path.dirname(os.path.realpath(__file__))
  35         pth = os.path.join(current_dir, "..", "..", "..", "resources")
  36         if not os.path.exists(pth):
  37           raise Exception("SauvLoaderTest: Unable to get resource directory")
  38         return pth
  39         pass
  40
  41     def testSauv2Med(self):
  42         # get a file containing all types of readable piles
  43         sauvFile = os.path.join( self.__getResourcesDirectory(),"allPillesTest.sauv")
  44         self.assertTrue( os.access( sauvFile, os.F_OK))
  45
  46         # read SAUV and write MED
  47         medFile = "SauvLoaderTest.med"
  48         sr=SauvReader(sauvFile);
  49         d2=sr.loadInMEDFileDS();
  50         d2.write(medFile,0);
  51
  52         # check
  53         self.assertEqual(1,d2.getNumberOfMeshes())
  54         self.assertEqual(8+97,d2.getNumberOfFields())
  55         mm = d2.getMeshes()
  56         m = mm.getMeshAtPos(0)
  57         self.assertEqual(17,len(m.getGroupsNames()))
  58
  59         os.remove( medFile )
  60         pass
  61
  62     def testMed2Sauv(self):
  63         # read pointe.med
  64         medFile = os.path.join(self.__getResourcesDirectory(),"pointe.med")
  65         self.assertTrue( os.access( medFile, os.F_OK))
  66         pointeMed = MEDFileData.New( medFile )
  67
  68         # add 3 faces to pointeMed
  69         pointeMedMesh = pointeMed.getMeshes().getMeshAtPos(0)
  70         pointeM1D = MEDCouplingUMesh.New()
  71         pointeM1D.setCoords( pointeMedMesh.getCoords() )
  72         pointeM1D.setMeshDimension( 2 )
  73         pointeM1D.allocateCells( 3 )
  74         pointeM1D.insertNextCell( NORM_TRI3, 3, [0,1,2])
  75         pointeM1D.insertNextCell( NORM_TRI3, 3, [0,1,3])
  76         pointeM1D.insertNextCell( NORM_QUAD4, 4, [10,11,12,13])
  77         pointeM1D.finishInsertingCells()
  78         pointeMedMesh.setMeshAtLevel( -1, pointeM1D )
  79         pointeMed.getMeshes().setMeshAtPos( 0, pointeMedMesh )
  80
  81         # add a field on 2 faces to pointeMed
  82         ff1=MEDFileFieldMultiTS.New()
  83         f1=MEDCouplingFieldDouble.New(ON_GAUSS_NE,ONE_TIME)
  84         #f1.setMesh( pointeM1D )
  85         f1.setName("Field on 2 faces")
  86         d=DataArrayDouble.New()
  87         d.alloc(3+4,2)
  88         d.setInfoOnComponent(0,"sigX [MPa]")
  89         d.setInfoOnComponent(1,"sigY [GPa]")
  90         d.setValues([311,312,321,322,331,332,411,412,421,422,431,432,441,442],3+4,2)
  91         f1.setArray(d)
  92         da=DataArrayInt.New()
  93         da.setValues([0,2],2,1)
  94         da.setName("sup2")
  95         ff1.appendFieldProfile(f1,pointeMedMesh,-1,da)
  96         pointeMed.getFields().pushField( ff1 )
  97
  98         #remove fieldnodeint
  99         pointeFields = pointeMed.getFields()
 100         for i in range( pointeFields.getNumberOfFields() ):
 101             if pointeFields.getFieldAtPos(i).getName() == "fieldnodeint":
 102                 pointeFields.destroyFieldAtPos( i )
 103                 break
 104
 105         # write pointeMed to SAUV
 106         sauvFile = "SauvLoaderTest.sauv"
 107         sw=SauvWriter();
 108         sw.setMEDFileDS(pointeMed);
 109         sw.write(sauvFile);
 110
 111         # read SAUV and check
 112         sr=SauvReader.New(sauvFile);
 113         d2=sr.loadInMEDFileDS();
 114         self.assertEqual(1,d2.getNumberOfMeshes())
 115         self.assertEqual(4,d2.getNumberOfFields())
 116         m = d2.getMeshes().getMeshAtPos(0)
 117         self.assertEqual("maa1",m.getName())
 118         self.assertEqual(6,len(m.getGroupsNames()))
 119         self.assertEqual(3,m.getMeshDimension())
 120         groups = m.getGroupsNames()
 121         self.assertTrue( "groupe1" in groups )
 122         self.assertTrue( "groupe2" in groups )
 123         self.assertTrue( "groupe3" in groups )
 124         self.assertTrue( "groupe4" in groups )
 125         self.assertTrue( "groupe5" in groups )
 126         self.assertTrue( "maa1" in groups )
 127         self.assertEqual(16,m.getSizeAtLevel(0))
 128         um0 = m.getMeshAtLevel(0)
 129         self.assertEqual(12, um0.getNumberOfCellsWithType( NORM_TETRA4 ))
 130         self.assertEqual(2, um0.getNumberOfCellsWithType( NORM_PYRA5 ))
 131         self.assertEqual(2, um0.getNumberOfCellsWithType( NORM_HEXA8 ))
 132         um1 = m.getMeshAtLevel(-1)
 133         self.assertEqual(2, um1.getNumberOfCellsWithType( NORM_TRI3 ))
 134         pointeUM0 = pointeMedMesh.getMeshAtLevel(0)
 135         self.assertTrue(m.getCoords().isEqualWithoutConsideringStr(pointeMedMesh.getCoords(),1e-12))
 136         self.assertEqual( um0.getMeasureField(0).accumulate(0),
 137                           pointeUM0.getMeasureField(0).accumulate(0),1e-12)
 138         # check fields
 139         # fieldnodedouble
 140         fieldnodedoubleTS1 = pointeMed.getFields().getFieldWithName("fieldnodedouble")
 141         fieldnodedoubleTS2 = d2.getFields().getFieldWithName("fieldnodedouble")
 142         self.assertEqual( fieldnodedoubleTS1.getInfo(), fieldnodedoubleTS2.getInfo())
 143         self.assertEqual( fieldnodedoubleTS1.getNumberOfTS(), fieldnodedoubleTS2.getNumberOfTS())
 144         io1 = fieldnodedoubleTS1.getIterations()
 145         io2 = fieldnodedoubleTS2.getIterations()
 146         for i in range(fieldnodedoubleTS1.getNumberOfTS() ):
 147             fnd1 = fieldnodedoubleTS1.getFieldOnMeshAtLevel(ON_NODES, io1[i][0],io1[i][1],pointeUM0)
 148             fnd2 = fieldnodedoubleTS2.getFieldOnMeshAtLevel(ON_NODES, io2[i][0],io2[i][1],um0)
 149             self.assertTrue( fnd1.getArray().isEqual( fnd2.getArray(), 1e-12 ))
 150         # fieldcelldoublevector
 151         fieldnodedoubleTS1 = pointeMed.getFields().getFieldWithName("fieldcelldoublevector")
 152         fieldnodedoubleTS2 = d2.getFields().getFieldWithName("fieldcelldoublevector")
 153         self.assertEqual( fieldnodedoubleTS1.getInfo(), fieldnodedoubleTS2.getInfo())
 154         self.assertEqual( fieldnodedoubleTS1.getNumberOfTS(), fieldnodedoubleTS2.getNumberOfTS())
 155         io1 = fieldnodedoubleTS1.getIterations()
 156         io2 = fieldnodedoubleTS2.getIterations()
 157         for i in range(fieldnodedoubleTS1.getNumberOfTS() ):
 158             fnd1 = fieldnodedoubleTS1.getFieldOnMeshAtLevel(ON_CELLS, io1[i][0],io1[i][1],pointeUM0)
 159             fnd2 = fieldnodedoubleTS2.getFieldOnMeshAtLevel(ON_CELLS, io2[i][0],io2[i][1],um0)
 160             self.assertAlmostEqual( fnd1.accumulate(0), fnd2.accumulate(0) )
 161             self.assertAlmostEqual( fnd1.accumulate(1), fnd2.accumulate(1) )
 162             self.assertAlmostEqual( fnd1.accumulate(2), fnd2.accumulate(2) )
 163             # Field on 2 faces
 164             fieldOnFaces = d2.getFields().getFieldWithName(f1.getName())
 165             io1 = fieldOnFaces.getIterations()
 166             fof = fieldOnFaces.getFieldOnMeshAtLevel(f1.getTypeOfField(),io1[i][0],io1[i][1],um1)
 167             self.assertTrue( d.isEqual( fof.getArray(), 1e-12 ))
 168             pass
 169         del sr
 170         os.remove( sauvFile )
 171         pass
 172
 173     def testSauv2MedWONodeFamilyNum(self):
 174         """test for issue 0021673: [CEA 566] Bug in SauvWriter when writing meshes
 175         having no family ids on nodes."""
 176
 177         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)
 178         targetConn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4];
 179         targetMesh=MEDCouplingUMesh.New("BugInSauvWriter",2);
 180         targetMesh.allocateCells(5);
 181         targetMesh.insertNextCell(NORM_TRI3,3,targetConn[4:7]);
 182         targetMesh.insertNextCell(NORM_TRI3,3,targetConn[7:10]);
 183         targetMesh.insertNextCell(NORM_QUAD4,4,targetConn[0:4]);
 184         targetMesh.insertNextCell(NORM_QUAD4,4,targetConn[10:14]);
 185         targetMesh.insertNextCell(NORM_QUAD4,4,targetConn[14:18]);
 186         targetMesh.finishInsertingCells();
 187         targetMesh.setCoords(myCoords);
 188         #
 189         m=MEDFileUMesh.New()
 190         m.setMeshAtLevel(0,targetMesh)
 191         # start of bug
 192         fam=DataArrayInt.New(targetMesh.getNumberOfNodes())
 193         fam[:]=0
 194         #m.setFamilyFieldArr(1,fam)
 195         #end of bug
 196
 197         ms=MEDFileMeshes.New()
 198         ms.setMeshAtPos(0,m)
 199         meddata=MEDFileData.New()
 200         meddata.setMeshes(ms)
 201
 202         medFile = "BugInSauvWriter.sauv"
 203         sw=SauvWriter.New();
 204         sw.setMEDFileDS(meddata);
 205         sw.write(medFile);
 206
 207         os.remove( medFile )
 208         pass
 209
 210     def testSauv2MedOnPipe1D(self):
 211         """test for issue 0021745: [CEA 600] Some missing groups in mesh after reading a SAUV file with SauvReader."""
 212         sauvFile="Test_sauve_1D.sauv"
 213         # Make a sauve file with a qudratic 1D mesh
 214         m=MEDCouplingUMesh.New("pipe1D",1)
 215         m.allocateCells(2);
 216         targetConn=[0,2,1, 2,4,3]
 217         m.insertNextCell(NORM_SEG3,3,targetConn[0:3])
 218         m.insertNextCell(NORM_SEG3,3,targetConn[3:6])
 219         m.finishInsertingCells();
 220         # coords
 221         coords=[ 0.,1.,2.,4.,5. ];
 222         c=DataArrayDouble.New()
 223         c.setValues(coords,5,1)
 224         m.setCoords(c)
 225         # MEDFileUMesh
 226         mm=MEDFileUMesh.New()
 227         mm.setName(m.getName())
 228         mm.setDescription("1D mesh")
 229         mm.setCoords(c)
 230         mm.setMeshAtLevel(0,m);
 231         # MEDFileData
 232         mfd1 = MEDFileData.New()
 233         ms=MEDFileMeshes.New(); ms.setMeshAtPos(0,mm)
 234         mfd1.setMeshes(ms)
 235         # write
 236         sw=SauvWriter.New()
 237         sw.setMEDFileDS(mfd1)
 238         sw.write(sauvFile)
 239         # Check connectivity read from the sauv file
 240         sr = SauvReader.New(sauvFile)
 241         mfd2 = sr.loadInMEDFileDS()
 242         mfMesh = mfd2.getMeshes()[0]
 243         mesh = mfMesh.getMeshAtLevel(0)
 244         self.assertTrue(mesh.getNodalConnectivity().isEqual(m.getNodalConnectivity()))
 245         #
 246         del sr
 247         os.remove(sauvFile)
 248         pass
 249
 250     @unittest.skipUnless(HasXDR(),"requires XDR")
 251     def testMissingGroups(self):
 252         """test for issue 0021749: [CEA 601] Some missing groups in mesh after reading a SAUV file with SauvReader."""
 253         sauvFile = os.path.join(self.__getResourcesDirectory(),"BDC-714.sauv")
 254         self.assertTrue( os.access( sauvFile, os.F_OK))
 255         name_of_group_on_cells='Slice10:ABSORBER'
 256         name_of_group_on_cells2='Slice10:00LR'
 257         sr=SauvReader.New(sauvFile)
 258         mfd2=sr.loadInMEDFileDS()
 259         mfMesh=mfd2.getMeshes()[0]
 260         #
 261         self.assertTrue(name_of_group_on_cells in mfMesh.getGroupsNames())
 262         self.assertTrue(name_of_group_on_cells2 in mfMesh.getGroupsNames())
 263         self.assertEqual(270,len(mfMesh.getGroupsNames()))
 264         #
 265         ids1=mfMesh.getGroupArr(0,name_of_group_on_cells)
 266         ids2=mfMesh.getGroupArr(0,name_of_group_on_cells2)
 267         ids1.setName("")
 268         ids2.setName("")
 269         self.assertTrue(ids1.isEqual(ids2))
 270         pass
 271
 272     def testGaussPt(self):
 273         """issue 22321: [CEA 933] Bug when reading a sauve file containing field on Gauss Pt.
 274         The problem was that a field ON_GAUSS_PT was created but no Gauss Localization
 275         was defined"""
 276
 277         # create a MEDFileData with a field ON_GAUSS_PT: 9 Gauss points, on 4 QUAD8 elements
 278         f=MEDCouplingFieldDouble(ON_GAUSS_PT)
 279         m=MEDCouplingUMesh("mesh",2) ; m.allocateCells()
 280         m.insertNextCell(NORM_QUAD8,[0,2,4,6,1,3,5,7])
 281         m.insertNextCell(NORM_QUAD8,[2,9,11,4,8,10,12,3])
 282         m.insertNextCell(NORM_QUAD8,[6,4,14,16,5,13,15,17])
 283         m.insertNextCell(NORM_QUAD8,[4,11,19,14,12,18,20,13])
 284         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))
 285         f.setMesh(m)
 286         arr=DataArrayDouble(4*9*2) ; arr.iota() ; arr.rearrange(2) ; arr.setInfoOnComponents(["YOUN []","NU []"])
 287         f.setArray(arr)
 288         refCoo=[-1,-1,1,-1,1,1,-1,1,0,-1,1,0,0,1,-1,0]
 289         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]
 290         wgt=[0.3,0.3,0.3,0.3,0.4,0.4,0.4,0.4,0.7]
 291         f.setGaussLocalizationOnType(NORM_QUAD8,refCoo,gpCoo,wgt)
 292         f.setName("SIGT")
 293         f.checkConsistencyLight()
 294         #
 295         mm=MEDFileUMesh()
 296         mm.setMeshAtLevel(0,m)
 297         mfm = MEDFileMeshes()
 298         mfm.pushMesh( mm )
 299         ff=MEDFileField1TS()
 300         ff.setFieldNoProfileSBT(f)
 301         mfmts = MEDFileFieldMultiTS()
 302         mfmts.pushBackTimeStep(ff)
 303         mff = MEDFileFields()
 304         mff.pushField( mfmts )
 305         mfd = MEDFileData.New()
 306         mfd.setFields( mff )
 307         mfd.setMeshes( mfm )
 308
 309         # convert the MED file to a SAUV file
 310         sauvFile = "SauvLoaderTest_testGaussPt.sauv"
 311         sw=SauvWriter.New();
 312         sw.setMEDFileDS(mfd);
 313         sw.write(sauvFile);
 314
 315         # convert the SAUV file back to MED
 316         sr=SauvReader.New(sauvFile);
 317         d2=sr.loadInMEDFileDS();
 318
 319         self.assertEqual( 1, d2.getNumberOfFields() )
 320         self.assertEqual( 1, d2.getNumberOfMeshes() )
 321         mfm2 = d2.getMeshes()[0]
 322         mff2 = d2.getFields()[0]
 323         m2 = mfm2.getMeshAtLevel(0)
 324         f2 = mff2.getTimeStepAtPos(0).getFieldOnMeshAtLevel(f.getTypeOfField(),0,mfm2)
 325         f2.setGaussLocalizationOnType(NORM_QUAD8,refCoo,gpCoo,wgt) # not stored in SAUV
 326         #f2.setOrder( f.getTime()[2] ) # not stored in SAUV
 327         self.assertTrue( m2.isEqual( m, 1e-12 ))
 328         self.assertTrue( f2.isEqual( f, 1e-12, 1e-12 ))
 329         del sr
 330         os.remove( sauvFile )
 331         pass
 332
 333     def testSauvWriterGroupWithOneFamily(self):
 334         """
 335         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.
 336         """
 337         import re
 338         mfd=MEDLoaderDataForTest.buildAMEDFileDataWithGroupOnOneFamilyForSauv()
 339         sauvFile = "mesh.sauv"
 340         sw=SauvWriter.New()
 341         sw.setMEDFileDS(mfd)
 342         self.assertTrue(not sw.getCpyGrpIfOnASingleFamilyStatus())
 343         sw.setCpyGrpIfOnASingleFamilyStatus(True)
 344         self.assertTrue(sw.getCpyGrpIfOnASingleFamilyStatus())
 345         sw.write(sauvFile)
 346
 347         f = open(sauvFile)
 348         # String pattern for the header of the sub meshes record ("PILE" number, number of named objects, number of objects)
 349         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]+)')
 350         # String pattern for a sub mesh header (cell type, number of components and three numbers)
 351         pattern_header=re.compile(r'\s+(?P<type>[0-9]+)\s+(?P<nbsubs>[0-9]+)\s+[0-9]+\s+[0-9]+\s+[0-9]+')
 352
 353         nbobjects=0
 354         line = f.readline()
 355         while(line):
 356             match_pile = pattern_pile.match(line)
 357             if match_pile:
 358                 number=int(match_pile.group("number"))
 359                 if number == 1:
 360                     nbnamed=int(match_pile.group("nbnamed"))
 361                     nbobjects=int(match_pile.group("nbobjects"))
 362                     break
 363                 pass
 364             line=f.readline()
 365             pass
 366
 367         # Skipping the objects names
 368         f.readline()
 369         # Skipping the objects ids
 370         f.readline()
 371
 372         # Looking for each sub-mesh header
 373         line = f.readline()
 374         cur_object=0
 375         while(line and cur_object < nbobjects):
 376             match_header=pattern_header.match(line)
 377             if match_header:
 378                 cell_type=int(match_header.group("type"))
 379                 nb_subs=int(match_header.group("nbsubs"))
 380                 # Looking for a compound object
 381                 if cell_type == 0:
 382                     # Testing if there is only one component
 383                     self.assertTrue(nb_subs > 1)
 384                 else:
 385                     f.readline()
 386                     f.readline()
 387                     cur_object = cur_object + 1
 388                     pass
 389                 pass
 390             line=f.readline()
 391             pass
 392         f.close()
 393         os.remove(sauvFile)
 394         pass
 395
 396     pass
 397
 398 unittest.main()