src/MEDCoupling_Swig/MEDCouplingExamplesTest.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2019  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
  21
  22 import sys
  23 if sys.platform == "win32":
  24     from MEDCouplingCompat import *
  25 else:
  26     from medcoupling import *
  27 import unittest
  28 from math import pi, sqrt
  29
  30 def WriteInTmpDir(func):
  31     def decoratedFunc(*args,**kwargs):
  32         import tempfile,os
  33         ret = None
  34         with tempfile.TemporaryDirectory() as tmpdirname:
  35             os.chdir(tmpdirname)
  36             ret = func(*args,**kwargs)
  37             pass
  38         return ret
  39     return decoratedFunc
  40
  41 class MEDCouplingBasicsTest(unittest.TestCase):
  42
  43     @WriteInTmpDir
  44     def testExample_MEDCouplingFieldDouble_WriteVTK(self):
  45         #! [PySnippet_MEDCouplingFieldDouble_WriteVTK_1]
  46         # mesh
  47         coords = [0.,2.,4.]
  48         coordsArr=DataArrayDouble(coords,3,1)
  49         mesh=MEDCouplingCMesh()
  50         mesh.setCoords(coordsArr,coordsArr) # mesh becomes a 2D one
  51
  52         # 3 fields (lying on the same mesh!)
  53         field1 = mesh.getMeasureField( True )
  54         field2 = mesh.buildOrthogonalField()
  55         field3 = mesh.fillFromAnalytic( ON_CELLS, 2, "IVec * x + JVec * y" )
  56         field2.setName( "Normal" ) # name is necessary!
  57         field3.setName( "Barycenter" ) # name is necessary!
  58
  59         # WriteVTK
  60         fileName = "testExample_MEDCouplingFieldDouble_WriteVTK"
  61         fs = [ field1, field2, field3 ] # field series
  62         writtenFileName=MEDCouplingFieldDouble.WriteVTK( fileName, fs )
  63         print("The file name with correct extension is : %s"%(writtenFileName))
  64         #! [PySnippet_MEDCouplingFieldDouble_WriteVTK_1]
  65         import os
  66         os.remove( writtenFileName )
  67
  68         return
  69
  70     def testExample_MEDCouplingFieldDouble_MaxFields(self):
  71         #! [PySnippet_MEDCouplingFieldDouble_MaxFields_1]
  72         vals1   = [0.,2., 4.,6.] # for field 1
  73         vals2   = [2.,0., 6.,4.] # for field 2
  74         valsMax = [2.,2., 6.,6.] # expected max field
  75         valsMin = [0.,0., 4.,4.] # expected min field
  76
  77         # field 1
  78         valsArr1=DataArrayDouble(vals1,2,2) # 2 tuples per 2 components
  79         field1 = MEDCouplingFieldDouble( ON_NODES )
  80         field1.setArray( valsArr1 )
  81
  82         # field 2
  83         valsArr2=DataArrayDouble(vals2,2,2) # 2 tuples per 2 components
  84         field2 = MEDCouplingFieldDouble( ON_NODES )
  85         field2.setArray( valsArr2 )
  86
  87         # max field
  88         fieldMax = MEDCouplingFieldDouble.MaxFields( field1, field2 )
  89         self.assertTrue( fieldMax.getArray().getValues() == valsMax )
  90
  91         # min field
  92         fieldMin = MEDCouplingFieldDouble.MinFields( field1, field2 )
  93         self.assertTrue( fieldMin.getArray().getValues() == valsMin )
  94         #! [PySnippet_MEDCouplingFieldDouble_MaxFields_1]
  95
  96     def testExample_MEDCouplingFieldDouble_MergeFields(self):
  97         #! [PySnippet_MEDCouplingFieldDouble_MergeFields_1]
  98         # mesh 1
  99         coords = [0.,2.,4.]
 100         coordsArr=DataArrayDouble(coords,3,1)
 101         mesh1=MEDCouplingCMesh()
 102         mesh1.setCoords(coordsArr)
 103         # field 1
 104         field1 = mesh1.fillFromAnalytic( ON_CELLS, 1, "x")
 105
 106         # mesh 2 and field 2
 107         field2 = field1.cloneWithMesh( True )
 108         vec = [5.]
 109         field2.getMesh().translate(vec) # translate mesh2
 110         field2.applyFunc("x + 5") # "translate" field2
 111
 112         # concatenate field1 and field2
 113         field3 = MEDCouplingFieldDouble.MergeFields( field1, field2 )
 114         field4 = MEDCouplingFieldDouble.MergeFields( [ field1, field2] )
 115         #! [PySnippet_MEDCouplingFieldDouble_MergeFields_1]
 116         return
 117
 118     def testExample_MEDCouplingFieldDouble_substractInPlaceDM(self):
 119         #! [PySnippet_MEDCouplingFieldDouble_substractInPlaceDM_1]
 120         coords1=[0.,1.,2.,3.]
 121         coords2=[2.,1.,0.,3.] #0 <==> #2
 122         # mesh 1
 123         mesh1=MEDCouplingUMesh()
 124         coordsArr=DataArrayDouble(coords1, 4, 1)
 125         mesh1.setCoords(coordsArr)
 126         mesh1.setMeshDimension(0)
 127         mesh1.allocateCells(0)
 128         mesh1.finishInsertingCells()
 129         # mesh 2
 130         mesh2=mesh1.deepCopy()
 131         mesh2.getCoords().setValues(coords2, 4, 1)
 132         #! [PySnippet_MEDCouplingFieldDouble_substractInPlaceDM_1]
 133         #! [PySnippet_MEDCouplingFieldDouble_substractInPlaceDM_2]
 134         field1 = mesh1.fillFromAnalytic(ON_NODES,1,"x") # field1 values == coords1
 135         field2 = mesh2.fillFromAnalytic(ON_NODES,1,"x") # field2 values == coords2
 136         levOfCheck = 10 # nodes can be permuted
 137         field1.substractInPlaceDM( field2, levOfCheck, 1e-13, 0 ) # values #0 and #2 must swap
 138         #! [PySnippet_MEDCouplingFieldDouble_substractInPlaceDM_2]
 139         #! [PySnippet_MEDCouplingFieldDouble_substractInPlaceDM_3]
 140         field2.applyFunc( 1, 0.0 ) # all field2 values == 0.0
 141         self.assertTrue( field1.isEqual( field2, 1e-13, 1e-13 )) # field1 == field2 == 0.0
 142         #! [PySnippet_MEDCouplingFieldDouble_substractInPlaceDM_3]
 143         return
 144
 145     def testExample_MEDCouplingFieldDouble_changeUnderlyingMesh(self):
 146         #! [PySnippet_MEDCouplingFieldDouble_changeUnderlyingMesh_1]
 147         coords1=[0.,1.,2.,3.]
 148         coords2=[2.,1.,0.,3.] #0 <==> #2
 149         # mesh 1
 150         mesh1=MEDCouplingUMesh()
 151         coordsArr=DataArrayDouble(coords1, 4, 1)
 152         mesh1.setCoords(coordsArr)
 153         mesh1.setMeshDimension(0)
 154         mesh1.allocateCells(0)
 155         mesh1.finishInsertingCells()
 156         # mesh 2
 157         mesh2=mesh1.deepCopy()
 158         mesh2.getCoords().setValues(coords2, 4, 1)
 159         #! [PySnippet_MEDCouplingFieldDouble_changeUnderlyingMesh_1]
 160         #! [PySnippet_MEDCouplingFieldDouble_changeUnderlyingMesh_2]
 161         field = mesh1.fillFromAnalytic(ON_NODES,1,"x") # field values == coords1
 162         levOfCheck = 10 # nodes can be permuted
 163         field.changeUnderlyingMesh( mesh2, levOfCheck, 1e-13, 0 ) # values #0 and #2 must swap
 164         self.assertTrue( field.getArray().getValues() == coords2 )
 165         #! [PySnippet_MEDCouplingFieldDouble_changeUnderlyingMesh_2]
 166         return
 167
 168     def testExample_MEDCouplingFieldDouble_applyFunc_same_nb_comp(self):
 169         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_same_nb_comp_1]
 170         v = [1.,2., 3.,4.]
 171         array = DataArrayDouble( v, 2, 2 ) # 2 tuples per 2 components
 172         field = MEDCouplingFieldDouble( ON_CELLS )
 173         field.setArray( array )
 174         func = "IVec * v + JVec * w*w + 10"
 175         field.applyFunc( 2, func )
 176         self.assertTrue( field.getNumberOfComponents() == 2 ) # 2 components remains
 177         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_same_nb_comp_1]
 178         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_same_nb_comp_2]
 179         v2 = field.getArray().getValues()
 180         self.assertAlmostEqual( v2[0], 10 + v[0], 13 )      # "10 + IVec * v"
 181         self.assertAlmostEqual( v2[1], 10 + v[1]*v[1], 13 ) # "10 + JVec * v*v"
 182         self.assertAlmostEqual( v2[2], 10 + v[2], 13 )      # "10 + IVec * v"
 183         self.assertAlmostEqual( v2[3], 10 + v[3]*v[3], 13 ) # "10 + JVec * v*v"
 184         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_same_nb_comp_2]
 185         return
 186
 187     def testExample_MEDCouplingFieldDouble_applyFunc3(self):
 188         #! [PySnippet_MEDCouplingFieldDouble_applyFunc3_1]
 189         # create a 2D vector field
 190         values = [1.,1., 2.,1.]
 191         array = DataArrayDouble( values, 2, 2 ) # 2 tuples per 2 components
 192         field = MEDCouplingFieldDouble( ON_CELLS )
 193         field.setArray( array )
 194         # transform the field to a 3D vector field
 195         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 196         varNames=["a","b"] # names used to refer to X and Y components
 197         field.applyFuncNamedCompo( 3, varNames, func ) # require 3 components
 198         self.assertTrue( field.getNumberOfComponents() == 3 ) # 3 components as required
 199         #! [PySnippet_MEDCouplingFieldDouble_applyFunc3_1]
 200         #! [PySnippet_MEDCouplingFieldDouble_applyFunc3_2]
 201         vec1 = field.getArray().getTuple(1) # vector #1
 202         a,b = values[2], values[3] # initial components of the vector #1
 203         self.assertAlmostEqual( vec1[0], 10 + b, 13 ) # "10 + IVec * b"
 204         self.assertAlmostEqual( vec1[1], 10 + a, 13 ) # "10 + JVec * a"
 205         self.assertAlmostEqual( vec1[2], 10 + sqrt(a*a+b*b), 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 206         #! [PySnippet_MEDCouplingFieldDouble_applyFunc3_2]
 207         return
 208
 209     def testExample_MEDCouplingFieldDouble_applyFunc2(self):
 210         #! [PySnippet_MEDCouplingFieldDouble_applyFunc2_1]
 211         # create a 2D vector field
 212         values = [1.,1., 2.,1.]
 213         array = DataArrayDouble( values, 2, 2 ) # 2 tuples per 2 components
 214         array.setInfoOnComponent(0,"a") # name used to refer to X component within a function
 215         array.setInfoOnComponent(1,"b") # name used to refer to Y component within a function
 216         field = MEDCouplingFieldDouble( ON_CELLS )
 217         field.setArray( array )
 218         # transform the field to a 3D vector field
 219         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 220         field.applyFuncCompo( 3, func ) # require 3 components
 221         self.assertTrue( field.getNumberOfComponents() == 3 ) # 3 components as required
 222         #! [PySnippet_MEDCouplingFieldDouble_applyFunc2_1]
 223         #! [PySnippet_MEDCouplingFieldDouble_applyFunc2_2]
 224         vec1 = field.getArray().getTuple(1) # vector #1
 225         a,b = values[2], values[3] # initial components of the vector #1
 226         self.assertAlmostEqual( vec1[0], 10 + b, 13 ) # "10 + IVec * b"
 227         self.assertAlmostEqual( vec1[1], 10 + a, 13 ) # "10 + JVec * a"
 228         self.assertAlmostEqual( vec1[2], 10 + sqrt(a*a+b*b), 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 229         #! [PySnippet_MEDCouplingFieldDouble_applyFunc2_2]
 230         return
 231
 232     def testExample_MEDCouplingFieldDouble_applyFunc(self):
 233         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_1]
 234         # create a 2D vector field
 235         values = [1.,1., 2.,1.]
 236         array = DataArrayDouble( values, 2, 2 ) # 2 tuples per 2 components
 237         field = MEDCouplingFieldDouble( ON_CELLS )
 238         field.setArray( array )
 239         # transform the field to a 3D vector field
 240         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 241         field.applyFunc( 3, func ) # require 3 components
 242         self.assertTrue( field.getNumberOfComponents() == 3 ) # 3 components as required
 243         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_1]
 244         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_2]
 245         vec1 = field.getArray().getTuple(1) # vector #1
 246         a,b = values[2], values[3] # initial components of the vector #1
 247         self.assertAlmostEqual( vec1[0], 10 + b, 13 ) # "10 + IVec * b"
 248         self.assertAlmostEqual( vec1[1], 10 + a, 13 ) # "10 + JVec * a"
 249         self.assertAlmostEqual( vec1[2], 10 + sqrt(a*a+b*b), 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 250         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_2]
 251         return
 252
 253     def testExample_MEDCouplingFieldDouble_applyFunc_val(self):
 254         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_val_1]
 255         coords = [0.,2.,4.]
 256         coordsArr=DataArrayDouble(coords,3,1)
 257         mesh=MEDCouplingCMesh()
 258         mesh.setCoords(coordsArr,coordsArr)
 259         field = MEDCouplingFieldDouble( ON_CELLS )
 260         field.setMesh( mesh )
 261         field.fillFromAnalytic(2,"IVec * x + JVec * y") # 2 components
 262         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_val_1]
 263         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_val_2]
 264         newValue = 7.
 265         field.applyFunc( 3, newValue ) # 3 components are required
 266         self.assertTrue( field.getIJ(1,0) == newValue ) # a value is as expected
 267         self.assertTrue( field.getNumberOfComponents() == 3 )
 268         self.assertTrue( field.getNumberOfTuples() == mesh.getNumberOfCells() )
 269         #! [PySnippet_MEDCouplingFieldDouble_applyFunc_val_2]
 270         return
 271
 272     def testExample_MEDCouplingFieldDouble_fillFromAnalytic3(self):
 273         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic3_1]
 274         coords = [0.,2.,4.,6.] #  6. is not used
 275         x=DataArrayDouble(coords[:3],3,1)
 276         y=DataArrayDouble(coords[:2],2,1)
 277         mesh=MEDCouplingCMesh()
 278         mesh.setCoords(x,y)
 279         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic3_1]
 280         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic3_2]
 281         field = MEDCouplingFieldDouble( ON_CELLS )
 282         field.setMesh( mesh )
 283         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 284         varNames=["a","b"] # names used to refer to X and Y coord components
 285         field.fillFromAnalyticNamedCompo(3,varNames,func)
 286         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic3_2]
 287         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic3_3]
 288         vals1 = field.getArray().getTuple(1) # values of the cell #1
 289         assert len( vals1 ) == 3 # 3 components in the field
 290         #
 291         bc = mesh.computeCellCenterOfMass() # func is applied to barycenters of cells
 292         bc1 = bc.getTuple(1) # coordinates of the second point
 293         #
 294         dist = sqrt( bc1[0]*bc1[0] + bc1[1]*bc1[1] ) # "sqrt( a*a + b*b )"
 295         self.assertAlmostEqual( vals1[0], 10 + bc1[1], 13 ) # "10 + IVec * b"
 296         self.assertAlmostEqual( vals1[1], 10 + bc1[0], 13 ) # "10 + JVec * a"
 297         self.assertAlmostEqual( vals1[2], 10 + dist  , 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 298         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic3_3]
 299         return
 300
 301     def testExample_MEDCouplingFieldDouble_fillFromAnalytic2(self):
 302         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic2_1]
 303         coords = [0.,2.,4.]
 304         x=DataArrayDouble(coords[:3],3,1)
 305         y=DataArrayDouble(coords[:2],2,1)
 306         x.setInfoOnComponent(0,"a") # name used to refer to X coordinate within a function
 307         y.setInfoOnComponent(0,"b") # name used to refer to Y coordinate within a function
 308         mesh=MEDCouplingCMesh()
 309         mesh.setCoords(x,y)
 310         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic2_1]
 311         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic2_2]
 312         field = MEDCouplingFieldDouble( ON_CELLS )
 313         field.setMesh( mesh )
 314         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 315         field.fillFromAnalyticCompo(3,func)
 316         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic2_2]
 317         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic2_3]
 318         vals1 = field.getArray().getTuple(1) # values of the cell #1
 319         assert len( vals1 ) == 3 # 3 components in the field
 320         #
 321         bc = mesh.computeCellCenterOfMass() # func is applied to barycenters of cells
 322         bc1 = bc.getTuple(1) # coordinates of the second point
 323         #
 324         dist = sqrt( bc1[0]*bc1[0] + bc1[1]*bc1[1] ) # "sqrt( a*a + b*b )"
 325         self.assertAlmostEqual( vals1[0], 10 + bc1[1], 13 ) # "10 + IVec * b"
 326         self.assertAlmostEqual( vals1[1], 10 + bc1[0], 13 ) # "10 + JVec * a"
 327         self.assertAlmostEqual( vals1[2], 10 + dist  , 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 328         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic2_3]
 329         return
 330
 331     def testExample_MEDCouplingFieldDouble_fillFromAnalytic(self):
 332         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic_1]
 333         coords = [0.,2.,4.]
 334         x=DataArrayDouble(coords[:3],3,1)
 335         y=DataArrayDouble(coords[:2],2,1)
 336         mesh=MEDCouplingCMesh()
 337         mesh.setCoords(x,y)
 338         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic_1]
 339         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic_2]
 340         field = MEDCouplingFieldDouble( ON_CELLS )
 341         field.setMesh( mesh )
 342         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 343         field.fillFromAnalytic(3,func)
 344         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic_2]
 345         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic_3]
 346         vals1 = field.getArray().getTuple(1) # values of the cell #1
 347         assert len( vals1 ) == 3 # 3 components in the field
 348         #
 349         bc = mesh.computeCellCenterOfMass() # func is applied to barycenters of cells
 350         bc1 = bc.getTuple(1) # coordinates of the second point
 351         #
 352         dist = sqrt( bc1[0]*bc1[0] + bc1[1]*bc1[1] ) # "sqrt( a*a + b*b )"
 353         self.assertAlmostEqual( vals1[0], 10 + bc1[1], 13 ) # "10 + IVec * b"
 354         self.assertAlmostEqual( vals1[1], 10 + bc1[0], 13 ) # "10 + JVec * a"
 355         self.assertAlmostEqual( vals1[2], 10 + dist  , 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 356         #! [PySnippet_MEDCouplingFieldDouble_fillFromAnalytic_3]
 357         return
 358
 359     def testExample_MEDCouplingFieldDouble_getValueOn_time(self):
 360         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_time_1]
 361         coords = [0.,2.,4.]
 362         coordsArr=DataArrayDouble(coords,3,1)
 363         mesh=MEDCouplingCMesh()
 364         mesh.setCoords(coordsArr,coordsArr)
 365         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_time_1]
 366         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_time_2]
 367         field = MEDCouplingFieldDouble( ON_CELLS, LINEAR_TIME )
 368         field.setMesh( mesh )
 369         field.fillFromAnalytic(1,"10") # all values == 10.
 370         field.setEndArray( field.getArray() + field.getArray() ) # all values == 20.
 371         time1, time2 = 1.1, 22.
 372         field.setStartTime( time1, 0, 0 )
 373         field.setEndTime  ( time2, 0, 0 )
 374         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_time_2]
 375         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_time_3]
 376         pos = [ 1., 1. ] # we are in 2D space
 377         value = field.getValueOn( pos, 0.5*( time1 + time2 ))
 378         self.assertTrue( value[0] == 0.5*( 10. + 20.))
 379         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_time_3]
 380         return
 381
 382     def testExample_MEDCouplingFieldDouble_getValueOnMulti(self):
 383         #! [PySnippet_MEDCouplingFieldDouble_getValueOnMulti_1]
 384         coords = [0.,2.,4.]
 385         coordsArr=DataArrayDouble(coords,3,1)
 386         mesh=MEDCouplingCMesh()
 387         mesh.setCoords(coordsArr,coordsArr)
 388         field = mesh.fillFromAnalytic(ON_CELLS,1,"x+y")
 389         #! [PySnippet_MEDCouplingFieldDouble_getValueOnMulti_1]
 390         #! [PySnippet_MEDCouplingFieldDouble_getValueOnMulti_2]
 391         bc = mesh.computeCellCenterOfMass() # field values are located at cell barycenters
 392         valArray = field.getValueOnMulti( bc )
 393         self.assertTrue( valArray.isEqual( field.getArray(), 1e-13 ))
 394         #! [PySnippet_MEDCouplingFieldDouble_getValueOnMulti_2]
 395         return
 396
 397     def testExample_MEDCouplingFieldDouble_getValueOn(self):
 398         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_1]
 399         coords = [0.,2.,4.]
 400         coordsArr=DataArrayDouble(coords,3,1)
 401         mesh=MEDCouplingCMesh()
 402         mesh.setCoords(coordsArr,coordsArr)
 403         field = mesh.fillFromAnalytic(ON_CELLS,1,"x+y")
 404         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_1]
 405         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_2]
 406         bc = mesh.computeCellCenterOfMass() # field values are located at cell barycenters
 407         vals = [] # array to collect values returned by getValueOn()
 408         for i,tupl in enumerate( bc ):
 409             vals.extend( field.getValueOn( tupl ) )
 410         self.assertTrue( vals == field.getArray().getValues() )
 411         #! [PySnippet_MEDCouplingFieldDouble_getValueOn_2]
 412         return
 413
 414     def testExample_MEDCouplingFieldDouble_getValueOnPos(self):
 415         #! [PySnippet_MEDCouplingFieldDouble_getValueOnPos_1]
 416         coords = [0.,2.,4.]
 417         coordsArr=DataArrayDouble(coords,3,1)
 418         mesh=MEDCouplingCMesh()
 419         mesh.setCoords(coordsArr,coordsArr)
 420         field = mesh.fillFromAnalytic(ON_CELLS,1,"x+y")
 421         #! [PySnippet_MEDCouplingFieldDouble_getValueOnPos_1]
 422         #! [PySnippet_MEDCouplingFieldDouble_getValueOnPos_2]
 423         val11 = field.getValueOnPos( 1,1,-1)
 424         bc = mesh.computeCellCenterOfMass() # field values are located at cell barycenters
 425         self.assertTrue( val11[0] == bc[3,0] + bc[3,1] )
 426         #! [PySnippet_MEDCouplingFieldDouble_getValueOnPos_2]
 427         return
 428
 429     def testExample_MEDCouplingFieldDouble_renumberNodes(self):
 430         #! [PySnippet_MEDCouplingFieldDouble_renumberNodes_1]
 431         coords = [0.,2.,4.]
 432         coordsArr=DataArrayDouble(coords,3,1)
 433         mesh=MEDCouplingCMesh()
 434         mesh.setCoords(coordsArr,coordsArr)
 435         mesh=mesh.buildUnstructured()
 436         #! [PySnippet_MEDCouplingFieldDouble_renumberNodes_1]
 437         #! [PySnippet_MEDCouplingFieldDouble_renumberNodes_2]
 438         field = mesh.fillFromAnalytic(ON_NODES,2,"IVec*x+JVec*y")
 439         values = field.getArray()
 440         nodeCoords = mesh.getCoords()
 441         self.assertTrue( values.isEqualWithoutConsideringStr( nodeCoords, 1e-13 ))
 442         #! [PySnippet_MEDCouplingFieldDouble_renumberNodes_2]
 443         #! [PySnippet_MEDCouplingFieldDouble_renumberNodes_3]
 444         renumber = [8, 7, 6, 5, 4, 3, 2, 1, 0]
 445         field.renumberNodes(renumber,False)
 446         mesh2 = field.getMesh() # field now refers to another mesh
 447         values = field.getArray()
 448         nodeCoords = mesh2.getCoords()
 449         self.assertTrue( values.isEqualWithoutConsideringStr( nodeCoords, 1e-13 ))
 450         #! [PySnippet_MEDCouplingFieldDouble_renumberNodes_3]
 451         return
 452
 453
 454     def testExample_MEDCouplingFieldDouble_renumberCells(self):
 455         #! [PySnippet_MEDCouplingFieldDouble_renumberCells_1]
 456         coords = [0.,2.,4.]
 457         coordsArr=DataArrayDouble(coords,3,1)
 458         mesh=MEDCouplingCMesh()
 459         mesh.setCoords(coordsArr,coordsArr)
 460         mesh=mesh.buildUnstructured()
 461         #! [PySnippet_MEDCouplingFieldDouble_renumberCells_1]
 462         #! [PySnippet_MEDCouplingFieldDouble_renumberCells_2]
 463         field = mesh.fillFromAnalytic(ON_CELLS,2,"IVec*x+JVec*y")
 464         values = field.getArray()
 465         bc = mesh.computeCellCenterOfMass()
 466         self.assertTrue( values.isEqualWithoutConsideringStr( bc, 1e-13 ))
 467         #! [PySnippet_MEDCouplingFieldDouble_renumberCells_2]
 468         #! [PySnippet_MEDCouplingFieldDouble_renumberCells_3]
 469         renumber = [ 3, 2, 1, 0 ]
 470         field.renumberCells(renumber,False)
 471         mesh2 = field.getMesh() # field now refers to another mesh
 472         values = field.getArray()
 473         bc = mesh2.computeCellCenterOfMass()
 474         self.assertTrue( values.isEqualWithoutConsideringStr( bc, 1e-13 ))
 475         #! [PySnippet_MEDCouplingFieldDouble_renumberCells_3]
 476         return
 477
 478     def testExample_MEDCouplingFieldDouble_buildNewTimeReprFromThis(self):
 479         #! [PySnippet_MEDCouplingFieldDouble_buildNewTimeReprFromThis_1]
 480         coords = [0.,2.,4.]
 481         coordsArr=DataArrayDouble(coords,3,1)
 482         mesh=MEDCouplingCMesh()
 483         mesh.setCoords(coordsArr,coordsArr)
 484         field1 = mesh.fillFromAnalytic(ON_NODES,1,"x+y")
 485         self.assertTrue( field1.getTimeDiscretization() == ONE_TIME )
 486         #! [PySnippet_MEDCouplingFieldDouble_buildNewTimeReprFromThis_1]
 487         #! [PySnippet_MEDCouplingFieldDouble_buildNewTimeReprFromThis_2]
 488         field2 = field1.buildNewTimeReprFromThis(NO_TIME,False)
 489         self.assertTrue( field2.getTimeDiscretization() == NO_TIME )
 490         #! [PySnippet_MEDCouplingFieldDouble_buildNewTimeReprFromThis_2]
 491         return
 492
 493     def testExample_MEDCouplingMesh_fillFromAnalytic3(self):
 494         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic3_1]
 495         coords = [0.,2.,4.,6.] #  6. is not used
 496         x=DataArrayDouble(coords[:3],3,1)
 497         y=DataArrayDouble(coords[:2],2,1)
 498         mesh=MEDCouplingCMesh()
 499         mesh.setCoords(x,y)
 500         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic3_1]
 501         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic3_2]
 502         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 503         varNames=["a","b"] # names used to refer to X and Y coord components
 504         field=mesh.fillFromAnalyticNamedCompo(ON_CELLS,3,varNames,func)
 505         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic3_2]
 506         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic3_3]
 507         vals1 = field.getArray().getTuple(1) # values of the cell #1
 508         assert len( vals1 ) == 3 # 3 components in the field
 509         #
 510         bc = mesh.computeCellCenterOfMass() # func is applied to barycenters of cells
 511         bc1 = bc.getTuple(1) # coordinates of the second point
 512         #
 513         dist = sqrt( bc1[0]*bc1[0] + bc1[1]*bc1[1] ) # "sqrt( a*a + b*b )"
 514         self.assertAlmostEqual( vals1[0], 10 + bc1[1], 13 ) # "10 + IVec * b"
 515         self.assertAlmostEqual( vals1[1], 10 + bc1[0], 13 ) # "10 + JVec * a"
 516         self.assertAlmostEqual( vals1[2], 10 + dist  , 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 517         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic3_3]
 518         return
 519
 520     def testExample_MEDCouplingMesh_fillFromAnalytic2(self):
 521         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic2_1]
 522         coords = [0.,2.,4.,6.] #  6. is not used
 523         x=DataArrayDouble(coords[:3],3,1)
 524         y=DataArrayDouble(coords[:2],2,1)
 525         x.setInfoOnComponent(0,"a") # name used to refer to X coordinate within a function
 526         y.setInfoOnComponent(0,"b") # name used to refer to Y coordinate within a function
 527         mesh=MEDCouplingCMesh()
 528         mesh.setCoords(x,y)
 529         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic2_1]
 530         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic2_2]
 531         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 532         field=mesh.fillFromAnalyticCompo(ON_CELLS,3,func)
 533         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic2_2]
 534         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic2_3]
 535         vals1 = field.getArray().getTuple(1) # values of the cell #1
 536         assert len( vals1 ) == 3 # 3 components in the field
 537         #
 538         bc = mesh.computeCellCenterOfMass() # func is applied to barycenters of cells
 539         bc1 = bc.getTuple(1) # coordinates of the second point
 540         #
 541         dist = sqrt( bc1[0]*bc1[0] + bc1[1]*bc1[1] ) # "sqrt( a*a + b*b )"
 542         self.assertAlmostEqual( vals1[0], 10 + bc1[1], 13 ) # "10 + IVec * b"
 543         self.assertAlmostEqual( vals1[1], 10 + bc1[0], 13 ) # "10 + JVec * a"
 544         self.assertAlmostEqual( vals1[2], 10 + dist  , 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 545         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic2_3]
 546         return
 547
 548     def testExample_MEDCouplingMesh_fillFromAnalytic(self):
 549         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic_1]
 550         coords = [0.,2.,4.,6.] #  6. is not used
 551         x=DataArrayDouble(coords[:3],3,1)
 552         y=DataArrayDouble(coords[:2],2,1)
 553         mesh=MEDCouplingCMesh()
 554         mesh.setCoords(x,y)
 555         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic_1]
 556         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic_2]
 557         func = "IVec * b + JVec * a + KVec * sqrt( a*a + b*b ) + 10"
 558         field=mesh.fillFromAnalytic(ON_CELLS,3,func)
 559         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic_2]
 560         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic_3]
 561         vals1 = field.getArray().getTuple(1) # values of the cell #1
 562         assert len( vals1 ) == 3 # 3 components in the field
 563         #
 564         bc = mesh.computeCellCenterOfMass() # func is applied to barycenters of cells
 565         bc1 = bc.getTuple(1) # coordinates of the second point
 566         #
 567         dist = sqrt( bc1[0]*bc1[0] + bc1[1]*bc1[1] ) # "sqrt( a*a + b*b )"
 568         self.assertAlmostEqual( vals1[0], 10 + bc1[1], 13 ) # "10 + IVec * b"
 569         self.assertAlmostEqual( vals1[1], 10 + bc1[0], 13 ) # "10 + JVec * a"
 570         self.assertAlmostEqual( vals1[2], 10 + dist  , 13 ) # "10 + KVec * sqrt( a*a + b*b )"
 571         #! [PySnippet_MEDCouplingMesh_fillFromAnalytic_3]
 572         return
 573
 574     def testExample_MEDCouplingCMesh_getCoordsAt(self):
 575         #! [PySnippet_MEDCouplingCMesh_getCoordsAt_1]
 576         coords = [1.,2.,4.]
 577         x=DataArrayDouble(coords,3,1)
 578         mesh=MEDCouplingCMesh()
 579         mesh.setCoordsAt(0,x)
 580         x2=mesh.getCoordsAt(0)
 581         assert coords == x2.getValues()
 582         #! [PySnippet_MEDCouplingCMesh_getCoordsAt_1]
 583         return
 584
 585     def testExample_MEDCouplingUMesh_areCellsIncludedIn(self):
 586         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_1]
 587         mesh1=MEDCouplingUMesh()
 588         mesh1.setMeshDimension(2)
 589         mesh1.allocateCells(5)
 590         conn=[0,3,4,1, 1,2,4, 4,5,2, 6,7,4,3, 7,8,5,4]
 591         mesh1.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 592         mesh1.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 593         mesh1.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 594         mesh1.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 595         mesh1.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 596         mesh1.finishInsertingCells()
 597         coords=[-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 ]
 598         coordsArr=DataArrayDouble(coords,9,2)
 599         mesh1.setCoords(coordsArr)
 600         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_1]
 601         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_2]
 602         cells2 = [ 4,2,0 ]
 603         mesh2 = mesh1.buildPartOfMySelf(cells2, True ) # even cells selected
 604         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_2]
 605         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_3]
 606         compType = 0 # the strongest policy
 607         isOk, corr2to1 = mesh1.areCellsIncludedIn( mesh2, compType )
 608         assert isOk # a larger mesh1 includes a smaller mesh2
 609         assert corr2to1.getValues() == cells2
 610         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_3]
 611         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_4]
 612         isOk, corr1to2 = mesh2.areCellsIncludedIn( mesh1, compType )
 613         assert not isOk # the smaller mesh2 does NOT include the larger mesh1
 614         assert corr1to2.getValues() == [2, 3, 1, 4, 0]
 615         #! [PySnippet_MEDCouplingUMesh_areCellsIncludedIn_4]
 616
 617     def testExample_MEDCouplingUMesh_findAndCorrectBadOriented3DExtrudedCells(self):
 618         #! [PySnippet_MEDCouplingUMesh_findAndCorrectBadOriented3DExtrudedCells_1]
 619         # 2D coordinates of 5 base nodes
 620         coords=[-0.3,-0.3, 0.2,-0.3, 0.7,-0.3, -0.3,0.2, 0.2,0.2]
 621         coordsArr=DataArrayDouble(coords,5,2)
 622         # coordinates of 5 top nodes
 623         coordsArr2 = coordsArr.deepCopy()
 624         # 3D coordinates of base + top nodes
 625         coordsArr  = coordsArr.changeNbOfComponents( 3, 0 )
 626         coordsArr2 = coordsArr2.changeNbOfComponents( 3, 1 )
 627         coordsArr = DataArrayDouble.Aggregate([coordsArr,coordsArr2])
 628         # mesh
 629         mesh=MEDCouplingUMesh()
 630         mesh.setCoords(coordsArr)
 631         mesh.setMeshDimension(3)
 632         mesh.allocateCells(2)
 633         # connectivity of reversed HEXA8 and PENTA6
 634         conn=[0,1,4,3, 5,6,9,8, 1,2,4, 6,7,9]
 635         mesh.insertNextCell(NORM_HEXA8, 8,conn[0:0+8])
 636         mesh.insertNextCell(NORM_PENTA6,6,conn[8:8+6])
 637         mesh.finishInsertingCells()
 638         #! [PySnippet_MEDCouplingUMesh_findAndCorrectBadOriented3DExtrudedCells_1]
 639         #! [PySnippet_MEDCouplingUMesh_findAndCorrectBadOriented3DExtrudedCells_2]
 640         fixedCells = mesh.findAndCorrectBadOriented3DExtrudedCells()
 641         assert len( fixedCells ) == 2 # 2 cells fixed
 642         fixedCells = mesh.findAndCorrectBadOriented3DExtrudedCells()
 643         assert len( fixedCells ) == 0 # no bad cells
 644         #! [PySnippet_MEDCouplingUMesh_findAndCorrectBadOriented3DExtrudedCells_2]
 645         return
 646
 647     def testExample_MEDCouplingUMesh_arePolyhedronsNotCorrectlyOriented(self):
 648         #! [PySnippet_MEDCouplingUMesh_arePolyhedronsNotCorrectlyOriented_1]
 649         # 2D coordinates of 5 base nodes
 650         coords=[-0.3,-0.3, 0.2,-0.3, 0.7,-0.3, -0.3,0.2, 0.2,0.2]
 651         coordsArr=DataArrayDouble(coords,5,2)
 652         # coordinates of 5 top nodes
 653         coordsArr2 = coordsArr.deepCopy()
 654         # 3D coordinates of base + top nodes
 655         coordsArr  = coordsArr.changeNbOfComponents( 3, 0 )
 656         coordsArr2 = coordsArr2.changeNbOfComponents( 3, 1 )
 657         coordsArr = DataArrayDouble.Aggregate([coordsArr,coordsArr2])
 658         # mesh
 659         mesh=MEDCouplingUMesh()
 660         mesh.setCoords(coordsArr)
 661         mesh.setMeshDimension(3)
 662         mesh.allocateCells(2)
 663         # connectivity of a HEXA8 + a reversed PENTA6
 664         conn=[0,3,4,1, 5,8,9,6, 1,2,4, 6,7,9]
 665         mesh.insertNextCell(NORM_POLYHED, 8,conn[0:0+8]) # "extruded" polyhedron
 666         mesh.insertNextCell(NORM_POLYHED,6,conn[8:8+6])
 667         mesh.finishInsertingCells()
 668         # fix connectivity of NORM_POLYHED's
 669         mesh.convertExtrudedPolyhedra()
 670         #! [PySnippet_MEDCouplingUMesh_arePolyhedronsNotCorrectlyOriented_1]
 671         #! [PySnippet_MEDCouplingUMesh_arePolyhedronsNotCorrectlyOriented_2]
 672         badCells = mesh.arePolyhedronsNotCorrectlyOriented()
 673         assert len( badCells ) == 1 # one polyhedron is KO
 674         # fix invalid rolyherdons
 675         mesh.orientCorrectlyPolyhedrons()
 676         # re-check the orientation
 677         badCells = mesh.arePolyhedronsNotCorrectlyOriented()
 678         assert len( badCells ) == 0 # connectivity is OK
 679         #! [PySnippet_MEDCouplingUMesh_arePolyhedronsNotCorrectlyOriented_2]
 680         return
 681
 682     def testExample_MEDCouplingUMesh_are2DCellsNotCorrectlyOriented(self):
 683         #! [PySnippet_MEDCouplingUMesh_are2DCellsNotCorrectlyOriented_1]
 684         mesh=MEDCouplingUMesh()
 685         mesh.setMeshDimension(2)
 686         mesh.allocateCells(5)
 687         conn=[0,3,4,1, 1,2,4, 4,5,2, 6,7,4,3, 7,8,5,4]
 688         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 689         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 690         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 691         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 692         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 693         mesh.finishInsertingCells()
 694         coords=[-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 ]
 695         coordsArr=DataArrayDouble(coords,9,2)
 696         mesh.setCoords(coordsArr)
 697         mesh.changeSpaceDimension(3)
 698         #! [PySnippet_MEDCouplingUMesh_are2DCellsNotCorrectlyOriented_1]
 699         #! [PySnippet_MEDCouplingUMesh_are2DCellsNotCorrectlyOriented_2]
 700         vec = [0.,0.,-1.]
 701         badCellIds=mesh.are2DCellsNotCorrectlyOriented( vec, False )
 702         assert len( badCellIds ) == 1 # one cell is reversed
 703         # fix orientation
 704         mesh.orientCorrectly2DCells( vec, False )
 705         # re-check orientation
 706         badCellIds=mesh.are2DCellsNotCorrectlyOriented( vec, False )
 707         assert len( badCellIds ) == 0 # the orientation is OK
 708         #! [PySnippet_MEDCouplingUMesh_are2DCellsNotCorrectlyOriented_2]
 709         return
 710
 711     def testExample_MEDCouplingUMesh_getCellsContainingPoints(self):
 712         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoints_1]
 713         mesh=MEDCouplingUMesh()
 714         mesh.setMeshDimension(2)
 715         mesh.allocateCells(5)
 716         conn=[0,3,4,1, 1,2,4, 4,5,2, 6,7,4,3, 7,8,5,4]
 717         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 718         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 719         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 720         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 721         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 722         mesh.finishInsertingCells()
 723         coords=[-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 ]
 724         coordsArr=DataArrayDouble(coords,9,2)
 725         mesh.setCoords(coordsArr)
 726         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoints_1]
 727         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoints_2]
 728         pos = [ 10., 10,              # point out of the mesh
 729                 0.3, 0.3,             # point located somewhere inside the mesh
 730                 coords[2], coords[3]] # point at the node #1
 731         eps = 1e-4 # ball radius
 732         cells,cellsIndex=mesh.getCellsContainingPoints( pos, 3, eps )
 733         assert cells.getValues() == [4, 0, 1]
 734         assert cellsIndex.getValues() == [0, 0, 1, 3]
 735         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoints_2]
 736         return
 737
 738
 739     def testExample_MEDCouplingUMesh_getCellsContainingPoint(self):
 740         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoint_1]
 741         mesh=MEDCouplingUMesh()
 742         mesh.setMeshDimension(2)
 743         mesh.allocateCells(5)
 744         conn=[0,3,4,1, 1,2,4, 4,5,2, 6,7,4,3, 7,8,5,4]
 745         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
 746         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])
 747         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])
 748         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14])
 749         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18])
 750         mesh.finishInsertingCells()
 751         coords=[-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 ]
 752         coordsArr=DataArrayDouble(coords,9,2)
 753         mesh.setCoords(coordsArr)
 754         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoint_1]
 755         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoint_2]
 756         pos4 = coords[ 4*2 : ] # coordinates of the node #4
 757         eps = 1e-4 # ball radius
 758         pos = [ pos4[0]+eps, pos4[1]-eps ] # ball center
 759         cellIds=mesh.getCellsContainingPoint( pos, eps )
 760         assert len( cellIds ) == mesh.getNumberOfCells()
 761         #! [PySnippet_MEDCouplingUMesh_getCellsContainingPoint_2]
 762         return
 763
 764
 765     def testExample_MEDCouplingUMesh_buildPartOrthogonalField(self):
 766         #! [PySnippet_MEDCouplingUMesh_buildPartOrthogonalField_1]
 767         mesh=MEDCouplingUMesh()
 768         mesh.setMeshDimension(2)
 769         mesh.allocateCells(5)
 770         conn=[0,3,4,1, 1,2,4, 4,5,2, 6,7,4,3, 7,8,5,4]
 771         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 772         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 773         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 774         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 775         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 776         mesh.finishInsertingCells()
 777         coords=[-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 ]
 778         coordsArr=DataArrayDouble(coords,9,2)
 779         mesh.setCoords(coordsArr)
 780         #! [PySnippet_MEDCouplingUMesh_buildPartOrthogonalField_1]
 781         #! [PySnippet_MEDCouplingUMesh_buildPartOrthogonalField_2]
 782         part = DataArrayInt([1,2,3,4],4,1) # cell #0 is omitted
 783         vecField=mesh.buildPartOrthogonalField( part )
 784         vecArr = vecField.getArray()
 785         assert len( vecArr ) == len( part )
 786         assert vecArr.getNumberOfComponents() == 3
 787         #! [PySnippet_MEDCouplingUMesh_buildPartOrthogonalField_2]
 788         return
 789
 790     def testExample_MEDCouplingUMesh_getPartMeasureField(self):
 791         #! [PySnippet_MEDCouplingUMesh_getPartMeasureField_1]
 792         mesh=MEDCouplingUMesh()
 793         mesh.setMeshDimension(2)
 794         mesh.allocateCells(5)
 795         conn=[0,3,4,1, 1,2,4, 4,5,2, 6,7,4,3, 7,8,5,4]
 796         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 797         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 798         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 799         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 800         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 801         mesh.finishInsertingCells()
 802         coords=[-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 ]
 803         coordsArr=DataArrayDouble(coords,9,2)
 804         mesh.setCoords(coordsArr)
 805         #! [PySnippet_MEDCouplingUMesh_getPartMeasureField_1]
 806         #! [PySnippet_MEDCouplingUMesh_getPartMeasureField_2]
 807         isAbs = True
 808         part = DataArrayInt([1,2,3,4],4,1) # cell #0 is omitted
 809         areaArr=mesh.getPartMeasureField( isAbs, part )
 810         assert areaArr[0] > 0 # orientation ignored
 811         areaArr=mesh.getPartMeasureField( not isAbs, part )
 812         assert areaArr[0] < 0 # orientation considered
 813         assert len( areaArr ) == len( part )
 814         #! [PySnippet_MEDCouplingUMesh_getPartMeasureField_2]
 815         #! [PySnippet_MEDCouplingUMesh_getPartMeasureField_3]
 816         part = DataArrayInt([1,2,3,4],4,1) # cell #0 is omitted
 817         baryCenters = mesh.getPartBarycenterAndOwner( part )
 818         assert len( baryCenters ) == len( part )
 819         assert baryCenters.getNumberOfComponents() == mesh.getSpaceDimension()
 820         #! [PySnippet_MEDCouplingUMesh_getPartMeasureField_3]
 821         return
 822
 823     def testExample_MEDCouplingUMesh_getCellsInBoundingBox(self):
 824         #! [PySnippet_MEDCouplingUMesh_getCellsInBoundingBox_1]
 825         mesh=MEDCouplingUMesh()
 826         mesh.setMeshDimension(2)
 827         coords=[0.,0., 0.,1., 1.,1]
 828         coordsArr=DataArrayDouble(coords,3,2)
 829         mesh.setCoords(coordsArr)
 830         mesh.allocateCells(1)
 831         conn=[0,1,2]
 832         mesh.insertNextCell(NORM_TRI3,3,conn)
 833         mesh.finishInsertingCells()
 834         #! [PySnippet_MEDCouplingUMesh_getCellsInBoundingBox_1]
 835         #! [PySnippet_MEDCouplingUMesh_getCellsInBoundingBox_2]
 836         bbox = [1., 1., 1.001,1.001] # xMin, xMax, yMin, yMax
 837         cellsInBox = mesh.getCellsInBoundingBox( bbox, 0.0 )
 838         assert cellsInBox.getValues() == []
 839         cellsInBox = mesh.getCellsInBoundingBox( bbox, 0.1 )
 840         assert cellsInBox.getValues() == [0]
 841         #! [PySnippet_MEDCouplingUMesh_getCellsInBoundingBox_2]
 842
 843
 844     def testExample_MEDCouplingUMesh_renumberNodesInConn(self):
 845         #! [PySnippet_MEDCouplingUMesh_renumberNodesInConn_1]
 846         mesh=MEDCouplingUMesh()
 847         mesh.setMeshDimension(2)
 848         mesh.allocateCells(1)
 849         conn=[4,3,2,1]
 850         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
 851         mesh.finishInsertingCells()
 852         #! [PySnippet_MEDCouplingUMesh_renumberNodesInConn_1]
 853         #! [PySnippet_MEDCouplingUMesh_renumberNodesInConn_2]
 854         old2newIds = [-1,3,2,1,0]
 855         mesh.renumberNodesInConn( old2newIds )
 856         nodes0 = mesh.getNodeIdsOfCell( 0 )
 857         assert nodes0 == [0,1,2,3]
 858         #! [PySnippet_MEDCouplingUMesh_renumberNodesInConn_2]
 859         return
 860
 861
 862     def testExample_MEDCouplingUMesh_renumberNodes(self):
 863         #! [PySnippet_MEDCouplingUMesh_renumberNodes_1]
 864         mesh=MEDCouplingUMesh()
 865         mesh.setMeshDimension(2)
 866         coords=[-0.3,-0.3, 0.2,-0.3, 0.7,-0.3, -0.3,0.3]
 867         coordsArr=DataArrayDouble(coords,4,2)
 868         mesh.setCoords(coordsArr)
 869         mesh.allocateCells(0)
 870         mesh.finishInsertingCells()
 871         #! [PySnippet_MEDCouplingUMesh_renumberNodes_1]
 872         #! [PySnippet_MEDCouplingUMesh_renumberNodes_2]
 873         mesh.renumberNodes([ 2,1,0,-1 ], 3)
 874         coordsArr = mesh.getCoords() # get a shorten array
 875         assert coordsArr.getValues() == [0.7,-0.3, 0.2,-0.3, -0.3,-0.3]
 876         #! [PySnippet_MEDCouplingUMesh_renumberNodes_2]
 877         #! [PySnippet_MEDCouplingUMesh_renumberNodes_3]
 878         coordsArr.setValues(coords,4,2) # restore old nodes
 879         mesh.renumberNodesCenter([ 2,1,0,2 ], 3)
 880         coordsArr = mesh.getCoords() # get a shorten array
 881         assert coordsArr.getValues() == [0.7,-0.3, 0.2,-0.3, -0.3,0.0]
 882         #! [PySnippet_MEDCouplingUMesh_renumberNodes_3]
 883         return
 884
 885     def testExample_MEDCouplingUMesh_findBoundaryNodes(self):
 886         #! [PySnippet_MEDCouplingUMesh_findBoundaryNodes_1]
 887         mesh=MEDCouplingUMesh()
 888         mesh.setMeshDimension(2)
 889         mesh.allocateCells(5)
 890         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
 891         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
 892         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])
 893         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])
 894         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14])
 895         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18])
 896         mesh.finishInsertingCells()
 897         coords=[-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 ]
 898         coordsArr=DataArrayDouble(coords,9,2)
 899         mesh.setCoords(coordsArr)
 900         #! [PySnippet_MEDCouplingUMesh_findBoundaryNodes_1]
 901         #! [PySnippet_MEDCouplingUMesh_findBoundaryNodes_2]
 902         nodeIdsArr=mesh.findBoundaryNodes()
 903         assert nodeIdsArr.getNumberOfTuples() == mesh.getNumberOfNodes() - 1
 904         #! [PySnippet_MEDCouplingUMesh_findBoundaryNodes_2]
 905         return
 906
 907     def testExample_MEDCouplingUMesh_buildBoundaryMesh(self):
 908         #! [PySnippet_MEDCouplingUMesh_buildBoundaryMesh_1]
 909         mesh=MEDCouplingUMesh()
 910         mesh.setMeshDimension(2)
 911         mesh.allocateCells(5)
 912         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
 913         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
 914         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])
 915         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])
 916         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14])
 917         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18])
 918         mesh.finishInsertingCells()
 919         coords=[-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 ]
 920         coordsArr=DataArrayDouble(coords,9,2)
 921         mesh.setCoords(coordsArr)
 922         #! [PySnippet_MEDCouplingUMesh_buildBoundaryMesh_1]
 923         #! [PySnippet_MEDCouplingUMesh_buildBoundaryMesh_2]
 924         mesh1=mesh.buildBoundaryMesh(True)
 925         mesh2=mesh.buildBoundaryMesh(False)
 926         assert coordsArr.isEqual( mesh1.getCoords(), 1e-13 )  # same nodes
 927         assert not coordsArr.isEqual( mesh2.getCoords(), 1e-13 ) # different nodes
 928         #! [PySnippet_MEDCouplingUMesh_buildBoundaryMesh_2]
 929         return
 930
 931     def testExample_MEDCouplingUMesh_buildFacePartOfMySelfNode(self):
 932         #! [PySnippet_MEDCouplingUMesh_buildFacePartOfMySelfNode_1]
 933         mesh=MEDCouplingUMesh()
 934         mesh.setMeshDimension(2)
 935         mesh.allocateCells(5)
 936         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
 937         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 938         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 939         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 940         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 941         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 942         mesh.finishInsertingCells()
 943         coords=[-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 ]
 944         coordsArr=DataArrayDouble(coords,9,2)
 945         mesh.setCoords(coordsArr)
 946         #! [PySnippet_MEDCouplingUMesh_buildFacePartOfMySelfNode_1]
 947         #! [PySnippet_MEDCouplingUMesh_buildFacePartOfMySelfNode_2]
 948         nodeIds = mesh.getNodeIdsOfCell( 0 )
 949         allNodes = True
 950         mesh1 = mesh.buildFacePartOfMySelfNode( nodeIds, allNodes )
 951         assert mesh1.getNumberOfCells() == 4 # 4 segments bounding QUAD4 #0 only
 952         mesh2 = mesh.buildFacePartOfMySelfNode( nodeIds, not allNodes )
 953         assert mesh2.getNumberOfCells() >  4 # more segments added
 954         #! [PySnippet_MEDCouplingUMesh_buildFacePartOfMySelfNode_2]
 955         return
 956
 957
 958     def testExample_MEDCouplingUMesh_buildPartOfMySelfNode(self):
 959         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelfNode_1]
 960         mesh=MEDCouplingUMesh()
 961         mesh.setMeshDimension(2)
 962         mesh.allocateCells(5)
 963         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
 964         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 965         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 966         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 967         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 968         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 969         mesh.finishInsertingCells()
 970         coords=[-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 ]
 971         coordsArr=DataArrayDouble(coords,9,2)
 972         mesh.setCoords(coordsArr)
 973         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelfNode_1]
 974         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelfNode_2]
 975         nodeIds = mesh.getNodeIdsOfCell( 0 )
 976         allNodes = True
 977         mesh1 = mesh.buildPartOfMySelfNode( nodeIds, allNodes )
 978         mesh2 = mesh.buildPartOfMySelfNode( nodeIds, not allNodes )
 979         assert mesh1.getNumberOfCells() == 1 # cell #0 is found only
 980         assert mesh2.getNumberOfCells() == mesh.getNumberOfCells() # all cells are found
 981         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelfNode_2]
 982         return
 983
 984
 985     def testExample_MEDCouplingUMesh_getCellIdsLyingOnNodes(self):
 986         #! [PySnippet_MEDCouplingUMesh_getCellIdsLyingOnNodes_1]
 987         mesh=MEDCouplingUMesh()
 988         mesh.setMeshDimension(2)
 989         mesh.allocateCells(5)
 990         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
 991         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
 992         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
 993         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
 994         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
 995         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
 996         mesh.finishInsertingCells()
 997         coords=[-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 ]
 998         coordsArr=DataArrayDouble(coords,9,2)
 999         mesh.setCoords(coordsArr)
1000         #! [PySnippet_MEDCouplingUMesh_getCellIdsLyingOnNodes_1]
1001         #! [PySnippet_MEDCouplingUMesh_getCellIdsLyingOnNodes_2]
1002         nodeIds = mesh.getNodeIdsOfCell( 0 )
1003         allNodes = True
1004         cellIdsArr1 = mesh.getCellIdsLyingOnNodes( nodeIds, allNodes )
1005         cellIdsArr2 = mesh.getCellIdsLyingOnNodes( nodeIds, not allNodes )
1006         assert cellIdsArr1.getNumberOfTuples() == 1 # cell #0 is found only
1007         assert cellIdsArr2.getNumberOfTuples() == mesh.getNumberOfCells() # all cells are found
1008         #! [PySnippet_MEDCouplingUMesh_getCellIdsLyingOnNodes_2]
1009         return
1010
1011
1012     def testExample_MEDCouplingUMesh_getCellIdsFullyIncludedInNodeIds(self):
1013         #! [PySnippet_MEDCouplingUMesh_getCellIdsFullyIncludedInNodeIds_1]
1014         mesh=MEDCouplingUMesh()
1015         mesh.setMeshDimension(2)
1016         mesh.allocateCells(5)
1017         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1018         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
1019         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])
1020         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])
1021         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14])
1022         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18])
1023         mesh.finishInsertingCells()
1024         coords=[-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 ]
1025         coordsArr=DataArrayDouble(coords,9,2)
1026         mesh.setCoords(coordsArr)
1027         #! [PySnippet_MEDCouplingUMesh_getCellIdsFullyIncludedInNodeIds_1]
1028         #! [PySnippet_MEDCouplingUMesh_getCellIdsFullyIncludedInNodeIds_2]
1029         cellIds = [1,2]
1030         nodeIds =  mesh.getNodeIdsOfCell( cellIds[0] )
1031         nodeIds += mesh.getNodeIdsOfCell( cellIds[1] )
1032         cellIdsArr = mesh.getCellIdsFullyIncludedInNodeIds( nodeIds )
1033         assert cellIdsArr.getValues() == cellIds
1034         #! [PySnippet_MEDCouplingUMesh_getCellIdsFullyIncludedInNodeIds_2]
1035         return
1036
1037
1038     def testExample_MEDCouplingUMesh_buildPartOfMySelf(self):
1039         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelf_1]
1040         mesh=MEDCouplingUMesh()
1041         mesh.setMeshDimension(2)
1042         mesh.allocateCells(5)
1043         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1044         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
1045         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
1046         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
1047         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
1048         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
1049         mesh.finishInsertingCells()
1050         coords=[-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 ]
1051         coordsArr=DataArrayDouble(coords,9,2)
1052         mesh.setCoords(coordsArr)
1053         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelf_1]
1054         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelf_2]
1055         cellIds=[1,2]
1056         mesh2=mesh.buildPartOfMySelf(cellIds, True)
1057         mesh3=mesh.buildPartOfMySelf(cellIds, False)
1058         coordsArr2 = mesh2.getCoords()
1059         assert coordsArr.isEqual( coordsArr2, 1e-13 )  # same nodes
1060         coordsArr3 = mesh3.getCoords()
1061         assert not coordsArr.isEqual( coordsArr3, 1e-13 ) # different nodes
1062         assert mesh2.getNodeIdsOfCell(0) == mesh.getNodeIdsOfCell( cellIds[0]) # cell #1 was copied
1063         assert mesh2.getNodeIdsOfCell(1) == mesh.getNodeIdsOfCell( cellIds[1]) # cell #2 was copied
1064         #! [PySnippet_MEDCouplingUMesh_buildPartOfMySelf_2]
1065         return
1066
1067     def testExample_MEDCouplingUMesh_mergeNodes(self):
1068         #! [PySnippet_MEDCouplingUMesh_mergeNodes_1]
1069         mesh=MEDCouplingUMesh()
1070         mesh.setMeshDimension(2)
1071         mesh.allocateCells(5)
1072         conn=[0,3,4,1, 1,4,2, 4,5,2]
1073         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
1074         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])
1075         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])
1076         mesh.finishInsertingCells()
1077         coords=[0.3,-0.301, # 0
1078                 0.2,-0.3,   # 1
1079                 0.3,-0.302, # 2 ~~ 0
1080                 1.1,0.0,    # 3
1081                 1.1,0.0,    # 4 == 3
1082                 0.3,-0.303]# 5 ~~ 0
1083         coordsArr=DataArrayDouble(coords,6,2)
1084         mesh.setCoords(coordsArr)
1085         #! [PySnippet_MEDCouplingUMesh_mergeNodes_1]
1086         #! [PySnippet_MEDCouplingUMesh_mergeNodes_2]
1087         arr,areNodesMerged,newNbOfNodes=mesh.mergeNodes(0.004)
1088         assert arr.getValues() == [0, 1, 0, 2, 2, 0]
1089         assert areNodesMerged
1090         assert newNbOfNodes == 3
1091         #! [PySnippet_MEDCouplingUMesh_mergeNodes_2]
1092         #! [PySnippet_MEDCouplingUMesh_mergeNodes_3]
1093         baryCoords2 = coords[2*2:] # initial coordinates of node #2
1094         coordsArr = mesh.getCoords() # retrieve a new shorten coord array
1095         self.assertNotAlmostEqual( baryCoords2[1], coordsArr.getIJ(0,1), 13 ) # Y of node #0 differs from that of baryCoords2
1096         # restore coordinates
1097         coordsArr = DataArrayDouble(coords,6,2)
1098         mesh.setCoords(coordsArr)
1099         # call mergeNodesCenter()
1100         mesh.mergeNodesCenter(0.004)
1101         coordsArr = mesh.getCoords() # retrieve a new shorten coord array
1102         self.assertAlmostEqual( baryCoords2[1], coordsArr.getIJ(0,1), 13 ) # Y of node #0 equals to that of baryCoords2
1103         #! [PySnippet_MEDCouplingUMesh_mergeNodes_3]
1104         return
1105
1106     def testExample_MEDCouplingUMesh_zipConnectivityTraducer(self):
1107         #! [PySnippet_MEDCouplingUMesh_zipConnectivityTraducer_1]
1108         mesh=MEDCouplingUMesh()
1109         mesh.setMeshDimension(2)
1110         mesh.allocateCells(5)
1111         conn=[0,3,4,1, 1,4,2]
1112         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])           # 0
1113         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])           # 1
1114         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])           # 2 == 1
1115         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])           # 3 == 0
1116         mesh.insertNextCell(NORM_QUAD4,4,conn[2:4]+conn[0:2]) # 4 ~~ 0
1117         mesh.finishInsertingCells()
1118         coords=[-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 ]
1119         coordsArr=DataArrayDouble(coords,9,2)
1120         mesh.setCoords(coordsArr)
1121         #! [PySnippet_MEDCouplingUMesh_zipConnectivityTraducer_1]
1122         #! [PySnippet_MEDCouplingUMesh_zipConnectivityTraducer_2]
1123         oldNbCells = mesh.getNumberOfCells()
1124         arr = mesh.zipConnectivityTraducer(0)
1125         assert mesh.getNumberOfCells() == oldNbCells-2
1126         assert arr.getValues() == [0, 1, 1, 0, 2]
1127         #! [PySnippet_MEDCouplingUMesh_zipConnectivityTraducer_2]
1128         return
1129
1130     def testExample_MEDCouplingUMesh_zipCoordsTraducer(self):
1131         #! [PySnippet_MEDCouplingUMesh_zipCoordsTraducer_1]
1132         mesh=MEDCouplingUMesh()
1133         mesh.setMeshDimension(2)
1134         mesh.allocateCells(5)
1135         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1136         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
1137         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])
1138         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])
1139         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14])
1140         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18])
1141         mesh.finishInsertingCells()
1142         coords=[-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 ]
1143         coordsArr=DataArrayDouble(coords,9,2)
1144         mesh.setCoords(coordsArr)
1145         #! [PySnippet_MEDCouplingUMesh_zipCoordsTraducer_1]
1146         #! [PySnippet_MEDCouplingUMesh_zipCoordsTraducer_2]
1147         cellIds=[1,2]
1148         mesh2=mesh.buildPartOfMySelf(cellIds,True)
1149         arr=mesh2.zipCoordsTraducer()
1150         assert mesh2.getNumberOfNodes() == 4 # nb of nodes decreased
1151         assert arr.getValues() == [-1,0,1,-1,2,3,-1,-1,-1] # -1 for unused nodes
1152         #! [PySnippet_MEDCouplingUMesh_zipCoordsTraducer_2]
1153         return
1154
1155     def testExample_MEDCouplingUMesh_getNodeIdsInUse(self):
1156         #! [PySnippet_MEDCouplingUMesh_getNodeIdsInUse_1]
1157         mesh=MEDCouplingUMesh()
1158         mesh.setMeshDimension(2)
1159         mesh.allocateCells(5)
1160         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1161         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])
1162         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])
1163         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])
1164         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14])
1165         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18])
1166         mesh.finishInsertingCells()
1167         coords=[-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 ]
1168         coordsArr=DataArrayDouble(coords,9,2)
1169         mesh.setCoords(coordsArr)
1170         #! [PySnippet_MEDCouplingUMesh_getNodeIdsInUse_1]
1171         #! [PySnippet_MEDCouplingUMesh_getNodeIdsInUse_2]
1172         cellIds=[1,2]
1173         mesh2=mesh.buildPartOfMySelf(cellIds,True)
1174         arr,newNbOfNodes=mesh2.getNodeIdsInUse()
1175         assert arr.getValues() == [-1,0,1,-1,2,3,-1,-1,-1]
1176         #! [PySnippet_MEDCouplingUMesh_getNodeIdsInUse_2]
1177         #! [PySnippet_MEDCouplingUMesh_getNodeIdsInUse_3]
1178         arr2=arr.invertArrayO2N2N2O(newNbOfNodes)
1179         assert arr2.getValues() == [1,2,4,5]
1180         #! [PySnippet_MEDCouplingUMesh_getNodeIdsInUse_3]
1181         return
1182
1183     def testExample_MEDCouplingUMesh_convertToPolyTypes(self):
1184         #! [PySnippet_MEDCouplingUMesh_convertToPolyTypes_1]
1185         mesh=MEDCouplingUMesh()
1186         mesh.setMeshDimension(2)
1187         mesh.allocateCells(5)
1188         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1189         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
1190         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
1191         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
1192         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
1193         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
1194         mesh.finishInsertingCells()
1195         coords=[-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 ]
1196         coordsArr=DataArrayDouble(coords,9,2)
1197         mesh.setCoords(coordsArr)
1198         #! [PySnippet_MEDCouplingUMesh_convertToPolyTypes_1]
1199         #! [PySnippet_MEDCouplingUMesh_convertToPolyTypes_2]
1200         cells=[1,3]
1201         mesh.convertToPolyTypes(cells)
1202         assert mesh.getTypeOfCell(0) == NORM_QUAD4
1203         assert mesh.getTypeOfCell(1) == NORM_POLYGON, mesh.getTypeOfCell(1)
1204         assert mesh.getTypeOfCell(2) == NORM_TRI3
1205         assert mesh.getTypeOfCell(3) == NORM_POLYGON
1206         #! [PySnippet_MEDCouplingUMesh_convertToPolyTypes_2]
1207         return
1208
1209     def testExample_MEDCouplingUMesh_buildDescendingConnectivity2(self):
1210         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity2_1]
1211         mesh=MEDCouplingUMesh()
1212         mesh.setMeshDimension(2)
1213         mesh.allocateCells(5)
1214         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1215         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
1216         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
1217         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
1218         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
1219         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
1220         mesh.finishInsertingCells()
1221         coords=[-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 ]
1222         coordsArr=DataArrayDouble(coords,9,2)
1223         mesh.setCoords(coordsArr)
1224         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity2_1]
1225         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity2_2]
1226         mesh2,desc,descIndx,revDesc,revDescIndx=mesh.buildDescendingConnectivity2()
1227         assert desc.getValues()        == [1,2,3,4,-3,5,6, 7,8,-5,9,10,-2,11, 12,13,-7,-10]
1228         assert descIndx.getValues()    == [0,4,7,10,14,18]
1229         assert revDesc.getValues()     == [0, 0,3, 0,1, 0, 1,2, 1, 2,4, 2, 3, 3,4, 3, 4, 4]
1230         assert revDescIndx.getValues() == [0,1,3,5,6,8,9,11,12,13,15,16,17,18]
1231         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity2_2]
1232         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity2_3]
1233         assert mesh2.getNodeIdsOfCell( 3-1 ) == [4, 1]  # cell #3 in FORTRAN mode
1234         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity2_3]
1235         return
1236
1237     def testExample_MEDCouplingUMesh_buildDescendingConnectivity(self):
1238         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity_1]
1239         mesh=MEDCouplingUMesh()
1240         mesh.setMeshDimension(2)
1241         mesh.allocateCells(5)
1242         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1243         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
1244         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
1245         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
1246         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
1247         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
1248         mesh.finishInsertingCells()
1249         coords=[-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 ]
1250         coordsArr=DataArrayDouble(coords,9,2)
1251         mesh.setCoords(coordsArr)
1252         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity_1]
1253         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity_2]
1254         mesh2,desc,descIndx,revDesc,revDescIndx=mesh.buildDescendingConnectivity()
1255         assert desc.getValues()        == [0,1,2,3, 2,4,5, 6,7,4, 8,9,1,10, 11,12,6,9]
1256         assert descIndx.getValues()    == [0,4,7,10,14,18]
1257         assert revDesc.getValues()     == [0, 0,3, 0,1, 0, 1,2, 1, 2,4, 2, 3, 3,4, 3, 4, 4]
1258         assert revDescIndx.getValues() == [0,1,3,5,6,8,9,11,12,13,15,16,17,18]
1259         #! [PySnippet_MEDCouplingUMesh_buildDescendingConnectivity_2]
1260         return
1261
1262     def testExample_MEDCouplingUMesh_getReverseNodalConnectivity(self):
1263         #! [PySnippet_MEDCouplingUMesh_getReverseNodalConnectivity_1]
1264         mesh=MEDCouplingUMesh()
1265         mesh.setMeshDimension(2)
1266         mesh.allocateCells(5)
1267         conn=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
1268         mesh.insertNextCell(NORM_QUAD4,4,conn[0:4])   # 0
1269         mesh.insertNextCell(NORM_TRI3,3, conn[4:7])   # 1
1270         mesh.insertNextCell(NORM_TRI3,3, conn[7:10])  # 2
1271         mesh.insertNextCell(NORM_QUAD4,4,conn[10:14]) # 3
1272         mesh.insertNextCell(NORM_QUAD4,4,conn[14:18]) # 4
1273         mesh.finishInsertingCells()
1274         coords=[-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 ]
1275         coordsArr=DataArrayDouble(coords,9,2)
1276         mesh.setCoords(coordsArr)
1277         #! [PySnippet_MEDCouplingUMesh_getReverseNodalConnectivity_1]
1278         #! [PySnippet_MEDCouplingUMesh_getReverseNodalConnectivity_2]
1279         revNodal,revNodalIndx=mesh.getReverseNodalConnectivity()
1280         assert revNodal.getValues()     == [0,0,1,1,2,0,3,0,1,2,3,4,2,4,3,3,4,4]
1281         assert revNodalIndx.getValues() == [0,1,3,5,7,12,14,15,17,18]
1282         #! [PySnippet_MEDCouplingUMesh_getReverseNodalConnectivity_2]
1283         return
1284
1285     def testExample_MEDCouplingUMesh_checkDeepEquivalWith(self):
1286         #! [PySnippet_MEDCouplingUMesh_checkDeepEquivalWith_1]
1287         # mesh 1
1288         mesh1=MEDCouplingUMesh()
1289         mesh1.setMeshDimension(2)
1290         coords=[0.0,0.0, #0
1291                 1.0,0.0, #1
1292                 1.0,1.0, #2
1293                 0.0,1.0] #3
1294         coordsArr=DataArrayDouble(coords,4,2)
1295         mesh1.setCoords(coordsArr)
1296         mesh1.allocateCells(2)
1297         mesh1.insertNextCell(NORM_TRI3,3,[0,1,2]) #0
1298         mesh1.insertNextCell(NORM_TRI3,3,[1,2,3]) #1
1299         mesh1.finishInsertingCells()
1300         # mesh 2
1301         mesh2=MEDCouplingUMesh()
1302         mesh2.setMeshDimension(2)
1303         coords=[0.0,1.0,    #0 = #3
1304                 0.0,0.0,    #1 = #0
1305                 1.0,0.0,    #2 = #1
1306                 1.0,1.001]  #3 ~ #2
1307         coordsArr2=DataArrayDouble(coords,4,2)
1308         mesh2.setCoords(coordsArr2)
1309         mesh2.allocateCells(2)
1310         mesh2.insertNextCell(NORM_TRI3,3,[2,3,0]) #0 = #1
1311         mesh2.insertNextCell(NORM_TRI3,3,[3,1,2]) #1 ~ #0
1312         mesh2.finishInsertingCells()
1313         #! [PySnippet_MEDCouplingUMesh_checkDeepEquivalWith_1]
1314         #! [PySnippet_MEDCouplingUMesh_checkDeepEquivalWith_2]
1315         cellCompPol = 1 # "permuted same orientation" - policy of medium severity
1316         cOld2New, nOld2New = mesh1.checkDeepEquivalWith( mesh2, cellCompPol, 0.002 )
1317         assert nOld2New.getValues() == [3, 0, 1, 2]
1318         assert cOld2New.getValues() == [1, 0]
1319         #! [PySnippet_MEDCouplingUMesh_checkDeepEquivalWith_2]
1320         #! [PySnippet_MEDCouplingUMesh_checkDeepEquivalWith_3]
1321         self.assertRaises( InterpKernelException, mesh1.checkDeepEquivalOnSameNodesWith, mesh2, cellCompPol, 0.002)
1322         mesh2.setCoords(coordsArr) # make meshes share the same coordinates array
1323         mesh2.allocateCells(2)
1324         mesh2.insertNextCell(NORM_TRI3,3,[1,2,3]) #0 = #1
1325         mesh2.insertNextCell(NORM_TRI3,3,[1,0,2]) #1 ~ #0
1326         mesh2.finishInsertingCells()
1327         cellCompPol = 2 # the weakest policy
1328         mesh1.checkDeepEquivalOnSameNodesWith( mesh2, cellCompPol, 0 )
1329         #! [PySnippet_MEDCouplingUMesh_checkDeepEquivalWith_3]
1330         return
1331
1332     def testExample_MEDCouplingPointSet_scale(self):
1333         #! [PySnippet_MEDCouplingPointSet_scale_1]
1334         coords=[0.0,0.0, 1.0,0.0, 1.0,1.0, 0.0,1.0] # 2D coordinates of 4 nodes
1335         coordsArr=DataArrayDouble(coords,4,2)
1336         mesh=MEDCouplingUMesh()
1337         mesh.setCoords(coordsArr)
1338         initCoords = coordsArr.deepCopy()
1339         #! [PySnippet_MEDCouplingPointSet_scale_1]
1340         #! [PySnippet_MEDCouplingPointSet_scale_2]
1341         center = [0.,0.]
1342         factor = 2.
1343         mesh.scale(center,factor)
1344         #! [PySnippet_MEDCouplingPointSet_scale_2]
1345         #! [PySnippet_MEDCouplingPointSet_scale_3]
1346         coords2 = mesh.getCoords()
1347         assert coords2.isEqualWithoutConsideringStr( initCoords, 1.0 )
1348         assert not coords2.isEqualWithoutConsideringStr( initCoords, 0.9 )
1349         #! [PySnippet_MEDCouplingPointSet_scale_3]
1350         return
1351
1352     def testExample_MEDCouplingPointSet_translate(self):
1353         #! [PySnippet_MEDCouplingPointSet_translate_1]
1354         coords=[0.0,0.0, 1.0,0.0, 1.0,1.0, 0.0,1.0] # 2D coordinates of 4 nodes
1355         coordsArr=DataArrayDouble(coords,4,2)
1356         mesh=MEDCouplingUMesh()
1357         mesh.setCoords(coordsArr)
1358         initCoords = coordsArr.deepCopy()
1359         #! [PySnippet_MEDCouplingPointSet_translate_1]
1360         #! [PySnippet_MEDCouplingPointSet_translate_2]
1361         vector = [1.,1.]
1362         mesh.translate(vector)
1363         #! [PySnippet_MEDCouplingPointSet_translate_2]
1364         #! [PySnippet_MEDCouplingPointSet_translate_3]
1365         coords2 = mesh.getCoords()
1366         assert coords2.isEqualWithoutConsideringStr( initCoords, 1 )
1367         assert not coords2.isEqualWithoutConsideringStr( initCoords, 0.9 )
1368         #! [PySnippet_MEDCouplingPointSet_translate_3]
1369         return
1370
1371     def testExample_MEDCouplingPointSet_rotate(self):
1372         #! [PySnippet_MEDCouplingPointSet_rotate_1]
1373         coords=[0.0,0.0, 0.1,0.0, 0.1,0.1, 0.0,0.1] # 2D coordinates of 4 nodes
1374         coordsArr=DataArrayDouble(coords,4,2)
1375         mesh=MEDCouplingUMesh()
1376         mesh.setCoords(coordsArr)
1377         #! [PySnippet_MEDCouplingPointSet_rotate_1]
1378         #! [PySnippet_MEDCouplingPointSet_rotate_2]
1379         center = [0.,0.]
1380         mesh.rotate(center,-pi/2)
1381         #! [PySnippet_MEDCouplingPointSet_rotate_2]
1382         #! [PySnippet_MEDCouplingPointSet_rotate_3]
1383         mesh.changeSpaceDimension(3)
1384         center = [0.,0.,0.]
1385         vector = [0.,0.,1.]
1386         mesh.rotate(center,vector,pi/2)
1387         #! [PySnippet_MEDCouplingPointSet_rotate_3]
1388         #! [PySnippet_MEDCouplingPointSet_rotate_4]
1389         mesh.changeSpaceDimension(2)
1390         coords2 = mesh.getCoords()
1391         for i,c in enumerate( coords ):
1392             self.assertAlmostEqual( c, coords2.getIJ(0,i), 13 )
1393         #! [PySnippet_MEDCouplingPointSet_rotate_4]
1394         return
1395
1396     def testExample_MEDCouplingPointSet_getBoundingBox(self):
1397         #! [PySnippet_MEDCouplingPointSet_getBoundingBox_1]
1398         cc=[0.0, 0.1, 0.2, # 3D coordinates of 2 nodes
1399             2.0, 2.1, 2.2]
1400         coordsArr=DataArrayDouble(cc,2,3)
1401         mesh=MEDCouplingUMesh()
1402         mesh.setCoords(coordsArr)
1403         #! [PySnippet_MEDCouplingPointSet_getBoundingBox_1]
1404         #! [PySnippet_MEDCouplingPointSet_getBoundingBox_2]
1405         bbox=mesh.getBoundingBox()
1406         assert bbox == [( cc[0], cc[3] ), # NOTE: list of 3 tuples is retirned!
1407                         ( cc[1], cc[4] ),
1408                         ( cc[2], cc[5] )]
1409         #! [PySnippet_MEDCouplingPointSet_getBoundingBox_2]
1410
1411     def testExample_MEDCouplingPointSet_getNodeIdsNearPoint(self):
1412         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoint_1]
1413         # 2D coordinates of 5 nodes
1414         coords=[0.3,-0.301, # 0
1415                 0.2,-0.3,   # 1
1416                 0.3,-0.302, # 2
1417                 1.1,0.0,    # 3
1418                 0.3,-0.30299999999999]# 4
1419         coordsArr=DataArrayDouble(coords,5,2)
1420         mesh=MEDCouplingUMesh()
1421         mesh.setCoords(coordsArr)
1422         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoint_1]
1423         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoint_2]
1424         point=[0.3, -0.3]   # point close to nodes #0, #2 and #4
1425         ids=mesh.getNodeIdsNearPoint(point,0.003)
1426         assert ids.getValues() == [0,2,4]
1427         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoint_2]
1428         return
1429
1430     def testExample_MEDCouplingPointSet_getNodeIdsNearPoints(self):
1431         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoints_1]
1432         # 2D coordinates of 7 nodes
1433         coords=[0.3,-0.301, # 0
1434                 0.2,-0.3,   # 1
1435                 0.3,-0.302, # 2
1436                 1.1,0.0,    # 3
1437                 1.1,0.0,    # 4
1438                 1.1,0.002,  # 5
1439                 0.3,-0.303]# 6
1440         coordsArr=DataArrayDouble(coords,7,2)
1441         mesh=MEDCouplingUMesh()
1442         mesh.setCoords(coordsArr)
1443         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoints_1]
1444         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoints_2]
1445         points=[0.2,-0.301,   # ~ node #1
1446                 0.0, 0.0,
1447                 1.1, 0.002]   # ~ nodes #3, #4 and #5
1448         ids,idsIndex=mesh.getNodeIdsNearPoints(points,3,0.003)
1449         assert ids.getValues() == [1, 3, 4, 5]
1450         assert idsIndex.getValues() == [0, 1, 1, 4]
1451         #! [PySnippet_MEDCouplingPointSet_getNodeIdsNearPoints_2]
1452         return
1453
1454     def testExample_MEDCouplingPointSet_findCommonNodes(self):
1455         #! [PySnippet_MEDCouplingPointSet_findCommonNodes_1]
1456         coords=[0.3,-0.301, # 0
1457                 0.2,-0.3,   # 1
1458                 0.3,-0.302, # 2
1459                 1.1,0.0,    # 3
1460                 1.1,0.0,    # 4
1461                 0.3,-0.303]# 5
1462         coordsArr=DataArrayDouble(coords,6,2)
1463         mesh=MEDCouplingUMesh()
1464         mesh.setCoords(coordsArr)
1465         #! [PySnippet_MEDCouplingPointSet_findCommonNodes_1]
1466         #! [PySnippet_MEDCouplingPointSet_findCommonNodes_2]
1467         comm,commI=mesh.findCommonNodes(1e-13)
1468         assert comm.getValues() == [3,4]
1469         comm,commI=mesh.findCommonNodes(0.004)
1470         assert comm.getValues() == [0,2,5,3,4]
1471         #! [PySnippet_MEDCouplingPointSet_findCommonNodes_2]
1472         return
1473
1474     def testExample_MEDCouplingPointSet_getCoordinatesOfNode(self):
1475         #! [PySnippet_MEDCouplingPointSet_getCoordinatesOfNode_1]
1476         coords=[-0.3,-0.3, 0.2,-0.3, 0.7,-0.3]
1477         coordsArr=DataArrayDouble(coords,3,2)
1478         mesh=MEDCouplingUMesh()
1479         mesh.setCoords(coordsArr)
1480 #! [PySnippet_MEDCouplingPointSet_getCoordinatesOfNode_1]
1481 #! [PySnippet_MEDCouplingPointSet_getCoordinatesOfNode_2]
1482         nodeCoords=mesh.getCoordinatesOfNode(1)
1483         self.assertAlmostEqual(0.2, nodeCoords[0],13)
1484         self.assertAlmostEqual(-0.3,nodeCoords[1],13)
1485 #! [PySnippet_MEDCouplingPointSet_getCoordinatesOfNode_2]
1486         return
1487
1488     def testExample_DataArrayInt_getTuple(self):
1489 #! [Snippet_DataArrayInt_getTuple_1]
1490         dv=DataArrayInt()
1491         dv.alloc( 6, 1 )
1492         dv.iota(7)
1493         dv.rearrange( 2 )
1494         assert dv.getTuple( 1 ) == [9,10]
1495 #! [Snippet_DataArrayInt_getTuple_1]
1496 #! [Snippet_DataArrayInt_getTuple_2]
1497         for tpl in dv:
1498             print(tpl)
1499 #! [Snippet_DataArrayInt_getTuple_2]
1500         return
1501
1502     def testExample_DataArrayInt_buildPermutationArr(self):
1503 #! [PySnippet_DataArrayInt_buildPermutationArr_1]
1504         a=DataArrayInt()
1505         a.setValues([4,5,6,7,8],5,1)
1506         b=DataArrayInt()
1507         b.setValues([5,4,8,6,7],5,1)
1508         c=a.buildPermutationArr(b)
1509 #! [PySnippet_DataArrayInt_buildPermutationArr_1]
1510         self.assertEqual([1,0,4,2,3],c.getValues())
1511         return
1512
1513     def testExample_DataArrayInt_invertArrayO2N2N2O(self):
1514 #! [PySnippet_DataArrayInt_invertArrayO2N2N2O_1]
1515         arr1=[2,0,4,1,5,3]
1516         da=DataArrayInt()
1517         da.setValues(arr1,6,1)
1518         da2=da.invertArrayO2N2N2O(6)
1519         expected1=[1,3,0,5,2,4]
1520         for i in range(6):
1521             self.assertEqual(expected1[i],da2.getIJ(i,0))
1522             pass
1523 #! [PySnippet_DataArrayInt_invertArrayO2N2N2O_1]
1524         return
1525
1526     def testExample_DataArrayInt_invertArrayN2O2O2N(self):
1527 #! [PySnippet_DataArrayInt_invertArrayN2O2O2N_1]
1528         arr1=[2,0,4,1,5,3]
1529         da=DataArrayInt()
1530         da.setValues(arr1,6,1)
1531         da2=da.invertArrayN2O2O2N(7)
1532         expected1=[1,3,0,5,2,4,-1]
1533         for i in range(6):
1534             self.assertEqual(expected1[i],da2.getIJ(i,0))
1535             pass
1536 #! [PySnippet_DataArrayInt_invertArrayN2O2O2N_1]
1537         return
1538
1539
1540     def testExample_DataArrayDouble_getIdsInRange(self):
1541 #! [PySnippet_DataArrayDouble_getIdsInRange_1]
1542         da=DataArrayDouble()
1543         da.alloc( 10, 1 )
1544         da[ :, :] = list(range(10))
1545         da2 = da.findIdsInRange( 2.5, 6 )
1546 #! [PySnippet_DataArrayDouble_getIdsInRange_1]
1547         return
1548
1549     def testExample_DataArrayDouble_setPartOfValues2(self):
1550 #! [Snippet_DataArrayDouble_setPartOfValues2_1]
1551         da=DataArrayDouble()
1552         da.alloc( 4, 7 )
1553         #
1554         dv=DataArrayDouble()
1555         dv.alloc( 6, 1 )
1556         dv.iota(7)
1557         dv.rearrange( 2 )
1558 #! [Snippet_DataArrayDouble_setPartOfValues2_1]
1559 #! [Snippet_DataArrayDouble_setPartOfValues2_2]
1560         da.fillWithZero()
1561         da[ [0,1,2], [1,3] ] = dv
1562 #! [Snippet_DataArrayDouble_setPartOfValues2_2]
1563 #! [Snippet_DataArrayDouble_setPartOfValues2_3]
1564         da.fillWithZero()
1565         dv.rearrange( 6 )
1566         da[ [0,2,3], [0,2,3,4,5,6]] = dv
1567 #! [Snippet_DataArrayDouble_setPartOfValues2_3]
1568         return
1569
1570     def testExample_DataArrayInt_setPartOfValues2(self):
1571 #! [Snippet_DataArrayInt_setPartOfValues2_1]
1572         da=DataArrayInt()
1573         da.alloc( 4, 7 )
1574         #
1575         dv=DataArrayInt()
1576         dv.alloc( 6, 1 )
1577         dv.iota(7)
1578         dv.rearrange( 2 )
1579 #! [Snippet_DataArrayInt_setPartOfValues2_1]
1580 #! [Snippet_DataArrayInt_setPartOfValues2_2]
1581         da.fillWithZero()
1582         da[ [0,1,2], [1,3] ] = dv
1583 #! [Snippet_DataArrayInt_setPartOfValues2_2]
1584 #! [Snippet_DataArrayInt_setPartOfValues2_3]
1585         da.fillWithZero()
1586         dv.rearrange( 6 )
1587         da[ [0,2,3], [0,2,3,4,5,6]] = dv
1588 #! [Snippet_DataArrayInt_setPartOfValues2_3]
1589         return
1590
1591     def testExample_DataArrayDouble_setPartOfValues3(self):
1592 #! [Snippet_DataArrayDouble_setPartOfValues3_1]
1593         da=DataArrayDouble()
1594         da.alloc( 4, 7 )
1595         #
1596         dv=DataArrayDouble()
1597         dv.alloc( 6, 1 )
1598         dv.iota(7)
1599         dv.rearrange( 2 )
1600 #! [Snippet_DataArrayDouble_setPartOfValues3_1]
1601 #! [Snippet_DataArrayDouble_setPartOfValues3_2]
1602         da.fillWithZero()
1603         da[ 0:3, [1,3] ] = dv
1604 #! [Snippet_DataArrayDouble_setPartOfValues3_2]
1605 #! [Snippet_DataArrayDouble_setPartOfValues3_3]
1606         da.fillWithZero()
1607         dv.rearrange( 6 )
1608         da[ 0:4:2, [0,2,3,4,5,6]] = dv
1609 #! [Snippet_DataArrayDouble_setPartOfValues3_3]
1610         return
1611
1612     def testExample_DataArrayInt_setPartOfValues3(self):
1613 #! [Snippet_DataArrayInt_setPartOfValues3_1]
1614         da=DataArrayInt()
1615         da.alloc( 4, 7 )
1616         #
1617         dv=DataArrayInt()
1618         dv.alloc( 6, 1 )
1619         dv.iota(7)
1620         dv.rearrange( 2 )
1621 #! [Snippet_DataArrayInt_setPartOfValues3_1]
1622 #! [Snippet_DataArrayInt_setPartOfValues3_2]
1623         da.fillWithZero()
1624         da[ 0:3, [1,3] ] = dv
1625 #! [Snippet_DataArrayInt_setPartOfValues3_2]
1626 #! [Snippet_DataArrayInt_setPartOfValues3_3]
1627         da.fillWithZero()
1628         dv.rearrange( 6 )
1629         da[ 0:4:2, [0,2,3,4,5,6]] = dv
1630 #! [Snippet_DataArrayInt_setPartOfValues3_3]
1631         return
1632
1633     def testExample_DataArrayDouble_setPartOfValues1(self):
1634 #! [Snippet_DataArrayDouble_setPartOfValues1_1]
1635         da=DataArrayDouble()
1636         da.alloc( 4, 4 )
1637         da.setInfoOnComponents( ["v1","v2","v3","v4"])
1638         #
1639         dv=DataArrayDouble()
1640         dv.alloc( 4, 1 )
1641         dv.iota(7)
1642         dv.rearrange( 2 )
1643         dv.setInfoOnComponents( ["a1","a2"])
1644 #! [Snippet_DataArrayDouble_setPartOfValues1_1]
1645 #! [Snippet_DataArrayDouble_setPartOfValues1_2]
1646         da.fillWithZero()
1647         da.setPartOfValues1( dv, 1,3,1, 1,3,1, True )
1648 #! [Snippet_DataArrayDouble_setPartOfValues1_2]
1649 #! [Snippet_DataArrayDouble_setPartOfValues1_3]
1650         da.fillWithZero()
1651         da.setPartOfValues1( dv, 0,4,1, 1,2,1, False )
1652 #! [Snippet_DataArrayDouble_setPartOfValues1_3]
1653 #! [Snippet_DataArrayDouble_setPartOfValues1_4]
1654         da.fillWithZero()
1655         da.setPartOfValues1( dv, 1,2,1, 0,4,1, False )
1656 #! [Snippet_DataArrayDouble_setPartOfValues1_4]
1657 #! [Snippet_DataArrayDouble_setPartOfValues1_5]
1658         da.fillWithZero()
1659         da.setPartOfValues1( dv, 0,3,2, 1,4,2, True )
1660 #! [Snippet_DataArrayDouble_setPartOfValues1_5]
1661 #! [Snippet_DataArrayDouble_setPartOfValues1_6]
1662         da2 = da.deepCopy()
1663         da2.fillWithZero()
1664         da2[ 0:3:2, 1:4:2 ] = dv
1665         self.assertTrue( da.isEqual( da2, 1e-20 ))
1666 #! [Snippet_DataArrayDouble_setPartOfValues1_6]
1667         return
1668
1669     def testExample_DataArrayInt_setPartOfValues1(self):
1670 #! [Snippet_DataArrayInt_setPartOfValues1_1]
1671         da=DataArrayInt()
1672         da.alloc( 4, 4 )
1673         da.setInfoOnComponents( ["v1","v2","v3","v4"])
1674         #
1675         dv=DataArrayInt()
1676         dv.alloc( 4, 1 )
1677         dv.iota(7)
1678         dv.rearrange( 2 )
1679         dv.setInfoOnComponents( ["a1","a2"])
1680 #! [Snippet_DataArrayInt_setPartOfValues1_1]
1681 #! [Snippet_DataArrayInt_setPartOfValues1_2]
1682         da.fillWithZero()
1683         da.setPartOfValues1( dv, 1,3,1, 1,3,1, True )
1684 #! [Snippet_DataArrayInt_setPartOfValues1_2]
1685 #! [Snippet_DataArrayInt_setPartOfValues1_3]
1686         da.fillWithZero()
1687         da.setPartOfValues1( dv, 0,4,1, 1,2,1, False )
1688 #! [Snippet_DataArrayInt_setPartOfValues1_3]
1689 #! [Snippet_DataArrayInt_setPartOfValues1_4]
1690         da.fillWithZero()
1691         da.setPartOfValues1( dv, 1,2,1, 0,4,1, False )
1692 #! [Snippet_DataArrayInt_setPartOfValues1_4]
1693 #! [Snippet_DataArrayInt_setPartOfValues1_5]
1694         da.fillWithZero()
1695         da.setPartOfValues1( dv, 0,3,2, 1,4,2, True )
1696 #! [Snippet_DataArrayInt_setPartOfValues1_5]
1697 #! [Snippet_DataArrayInt_setPartOfValues1_6]
1698         da2 = da.deepCopy()
1699         da2.fillWithZero()
1700         da2[ 0:3:2, 1:4:2 ] = dv
1701         self.assertTrue( da.isEqual( da2 ))
1702 #! [Snippet_DataArrayInt_setPartOfValues1_6]
1703         return
1704
1705     def testExample_DataArrayDouble_setPartOfValuesSimple1(self):
1706 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_1]
1707         da=DataArrayDouble()
1708         da.alloc( 4, 4 )
1709         dv = 7
1710 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_1]
1711 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_2]
1712         da.fillWithZero()
1713         da.setPartOfValuesSimple1( dv, 1,3,1, 1,3,1 )
1714 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_2]
1715 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_3]
1716         da.fillWithZero()
1717         da.setPartOfValuesSimple1( dv, 0,4,1, 1,2,1 )
1718 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_3]
1719 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_4]
1720         da.fillWithZero()
1721         da.setPartOfValuesSimple1( dv, 1,2,1, 0,4,1 )
1722 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_4]
1723 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_5]
1724         da.fillWithZero()
1725         da.setPartOfValuesSimple1( dv, 0,3,2, 1,4,2 )
1726 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_5]
1727 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_6]
1728         da2 = da.deepCopy()
1729         da2.fillWithZero()
1730         da2[ 0:3:2, 1:4:2 ] = dv
1731         self.assertTrue( da.isEqual( da2, 1e-20 ))
1732 #! [Snippet_DataArrayDouble_setPartOfValuesSimple1_6]
1733         return
1734
1735     def testExample_DataArrayInt_setPartOfValuesSimple1(self):
1736 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_1]
1737         da=DataArrayInt()
1738         da.alloc( 4, 4 )
1739         dv = 7
1740 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_1]
1741 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_2]
1742         da.fillWithZero()
1743         da.setPartOfValuesSimple1( dv, 1,3,1, 1,3,1 )
1744 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_2]
1745 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_3]
1746         da.fillWithZero()
1747         da.setPartOfValuesSimple1( dv, 0,4,1, 1,2,1 )
1748 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_3]
1749 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_4]
1750         da.fillWithZero()
1751         da.setPartOfValuesSimple1( dv, 1,2,1, 0,4,1 )
1752 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_4]
1753 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_5]
1754         da.fillWithZero()
1755         da.setPartOfValuesSimple1( dv, 0,3,2, 1,4,2 )
1756 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_5]
1757 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_6]
1758         da2 = da.deepCopy()
1759         da2.fillWithZero()
1760         da2[ 0:3:2, 1:4:2 ] = dv
1761         self.assertTrue( da.isEqual( da2 ))
1762 #! [Snippet_DataArrayInt_setPartOfValuesSimple1_6]
1763         return
1764
1765     def testExample_DataArrayDouble_setPartOfValuesSimple2(self):
1766 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_1]
1767         da=DataArrayDouble()
1768         da.alloc( 4, 4 )
1769         dv = 7
1770 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_1]
1771 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_2]
1772         da.fillWithZero()
1773         da[[1,2], [1,2]] = dv
1774 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_2]
1775 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_3]
1776         da.fillWithZero()
1777         da[[0,1,2,3], [1]] = dv
1778 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_3]
1779 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_4]
1780         da.fillWithZero()
1781         da[[1], [0,1,2,3]] = dv
1782 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_4]
1783 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_5]
1784         da.fillWithZero()
1785         da[[0,2], [1,3]] = dv
1786 #! [Snippet_DataArrayDouble_setPartOfValuesSimple2_5]
1787         return
1788
1789     def testExample_DataArrayInt_setPartOfValuesSimple2(self):
1790 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_1]
1791         da=DataArrayInt()
1792         da.alloc( 4, 4 )
1793         dv = 7
1794 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_1]
1795 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_2]
1796         da.fillWithZero()
1797         da[[1,2], [1,2]] = dv
1798 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_2]
1799 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_3]
1800         da.fillWithZero()
1801         da[[0,1,2,3], [1]] = dv
1802 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_3]
1803 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_4]
1804         da.fillWithZero()
1805         da[[1], [0,1,2,3]] = dv
1806 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_4]
1807 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_5]
1808         da.fillWithZero()
1809         da[[0,2], [1,3]] = dv
1810 #! [Snippet_DataArrayInt_setPartOfValuesSimple2_5]
1811         return
1812
1813     def testExample_DataArrayDouble_setPartOfValuesSimple3(self):
1814 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_1]
1815         da=DataArrayDouble()
1816         da.alloc( 4, 4 )
1817         dv = 7
1818 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_1]
1819 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_2]
1820         da.fillWithZero()
1821         da[[1,2], 1:3] = dv
1822 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_2]
1823 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_3]
1824         da.fillWithZero()
1825         da[[0,1,2,3], 1:2] = dv
1826 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_3]
1827 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_4]
1828         da.fillWithZero()
1829         da[[1], 0:4] = dv
1830 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_4]
1831 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_5]
1832         da.fillWithZero()
1833         da[[0,2], 1:4:2] = dv
1834 #! [Snippet_DataArrayDouble_setPartOfValuesSimple3_5]
1835         return
1836
1837     def testExample_DataArrayInt_setPartOfValuesSimple3(self):
1838 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_1]
1839         da=DataArrayInt()
1840         da.alloc( 4, 4 )
1841         dv = 7
1842 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_1]
1843 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_2]
1844         da.fillWithZero()
1845         da[[1,2], 1:3] = dv
1846 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_2]
1847 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_3]
1848         da.fillWithZero()
1849         da[[0,1,2,3], 1:2] = dv
1850 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_3]
1851 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_4]
1852         da.fillWithZero()
1853         da[[1], 0:4] = dv
1854 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_4]
1855 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_5]
1856         da.fillWithZero()
1857         da[[0,2], 1:4:2] = dv
1858 #! [Snippet_DataArrayInt_setPartOfValuesSimple3_5]
1859         return
1860
1861     def testExample_DataArrayDouble_setSelectedComponents(self):
1862 #! [Snippet_DataArrayDouble_setSelectedComponents1]
1863         array1=[1.,2., 3.,4., 5.,6.]
1864         da=DataArrayDouble(array1,3,2)
1865         da.setInfoOnComponents( ["a1","a2"])
1866 #! [Snippet_DataArrayDouble_setSelectedComponents1]
1867 #! [Snippet_DataArrayDouble_setSelectedComponents2]
1868         dv=DataArrayDouble()
1869         dv.alloc( 4, 4 )
1870         dv.fillWithZero()
1871         dv.setInfoOnComponents( ["v1","v2","v3","v4"])
1872         dv2 = dv.deepCopy()
1873         dv.setSelectedComponents( da, [1,0] )
1874 #! [Snippet_DataArrayDouble_setSelectedComponents2]
1875 #! [Snippet_DataArrayDouble_setSelectedComponents3]
1876         dv2[:3,[1,0]] = da
1877         self.assertTrue( dv.isEqualWithoutConsideringStr( dv2, 1e-20 ))
1878 #! [Snippet_DataArrayDouble_setSelectedComponents3]
1879         return
1880
1881     def testExample_DataArrayInt_setSelectedComponents(self):
1882 #! [Snippet_DataArrayInt_setSelectedComponents1]
1883         da=DataArrayInt()
1884         array1=[1,2, 3,4, 5,6]
1885         da.setValues(array1,3,2)
1886         da.setInfoOnComponents( ["a1","a2"])
1887 #! [Snippet_DataArrayInt_setSelectedComponents1]
1888 #! [Snippet_DataArrayInt_setSelectedComponents2]
1889         dv=DataArrayInt()
1890         dv.alloc( 4, 4 )
1891         dv.fillWithZero()
1892         dv.setInfoOnComponents( ["v1","v2","v3","v4"])
1893         dv2 = dv.deepCopy()
1894         dv.setSelectedComponents( da, [1,0] )
1895 #! [Snippet_DataArrayInt_setSelectedComponents2]
1896 #! [Snippet_DataArrayInt_setSelectedComponents3]
1897         dv2[:3,[1,0]] = da
1898         self.assertTrue( dv.isEqualWithoutConsideringStr( dv2 ))
1899 #! [Snippet_DataArrayInt_setSelectedComponents3]
1900         return
1901
1902     def testExample_DataArrayDouble_getDifferentValues(self):
1903 #! [Snippet_DataArrayDouble_getDifferentValues1]
1904         array1=[2.3,1.2,1.3,2.3,2.301,0.8]
1905         da=DataArrayDouble(array1,6,1)
1906         #
1907         dv=da.getDifferentValues(2e-1)
1908         expected2=[2.301,1.3,0.8]
1909         self.assertEqual(3,dv.getNbOfElems())
1910         for i in range(3):
1911             self.assertAlmostEqual(expected2[i],dv.getIJ(i,0),14)
1912             pass
1913 #! [Snippet_DataArrayDouble_getDifferentValues1]
1914         return
1915
1916     def testExample_DataArrayDouble_findCommonTuples1(self):
1917 #! [PySnippet_DataArrayDouble_findCommonTuples1]
1918         array2=[2.3,2.3, 1.2,1.2, 1.3,1.3, 2.3,2.3, 2.301,2.301, 0.8,0.8]
1919         da=DataArrayDouble(array2,6,2)
1920 #! [PySnippet_DataArrayDouble_findCommonTuples1]
1921 #! [PySnippet_DataArrayDouble_findCommonTuples2]
1922         c,cI=da.findCommonTuples(1.01e-1)
1923         expected3=[0,3,4,1,2]
1924         expected4=[0,3,5]
1925         self.assertEqual(expected3,c.getValues())
1926         self.assertEqual(expected4,cI.getValues())
1927 #! [PySnippet_DataArrayDouble_findCommonTuples2]
1928         return
1929
1930     def testExampleDataArrayDoubleMeldWith(self):
1931 #! [PySnippet_DataArrayDouble_Meld1_1]
1932         da1=DataArrayDouble()
1933         da1.alloc(7,2)
1934         da2=DataArrayDouble()
1935         da2.alloc(7,1)
1936         #
1937         da1.fillWithValue(7.)
1938         da2.iota(0.)
1939         da3=da2.applyFunc(3,"10*x*IVec+100*x*JVec+1000*x*KVec")
1940         #
1941         da1.setInfoOnComponent(0,"c0da1")
1942         da1.setInfoOnComponent(1,"c1da1")
1943         da3.setInfoOnComponent(0,"c0da3")
1944         da3.setInfoOnComponent(1,"c1da3")
1945         da3.setInfoOnComponent(2,"c2da3")
1946         #
1947         da1C=da1.deepCopy()
1948         da1.meldWith(da3)
1949 #! [PySnippet_DataArrayDouble_Meld1_1]
1950
1951     def testExampleDataArrayIntMeldWith(self):
1952 #! [PySnippet_DataArrayInt_Meld1_1]
1953         da1=DataArrayInt()
1954         da1.alloc(7,2)
1955         da2=DataArrayInt()
1956         da2.alloc(7,1)
1957         #
1958         da1.fillWithValue(7)
1959         da2.iota(0)
1960         #
1961         da1.setInfoOnComponent(0,"c0da1")
1962         da1.setInfoOnComponent(1,"c1da1")
1963         da2.setInfoOnComponent(0,"c0da2")
1964         #
1965         da1.meldWith(da2)
1966 #! [PySnippet_DataArrayInt_Meld1_1]
1967
1968     def testExampleDataArrayDoubleKeepSelectedComponents1(self):
1969 #! [SnippeDataArrayDoubleKeepSelectedComponents1_1]
1970         arr1=[1.,2.,3.,4.,     # tuple 0
1971               11.,12.,13.,14., # tuple 1
1972               21.,22.,23.,24., # ...
1973               31.,32.,33.,34.,
1974               41.,42.,43.,44.]
1975         a1=DataArrayDouble(arr1,5,4)
1976         a1.setInfoOnComponent(0,"a")
1977         a1.setInfoOnComponent(1,"b")
1978         a1.setInfoOnComponent(2,"c")
1979         a1.setInfoOnComponent(3,"d")
1980 #! [SnippeDataArrayDoubleKeepSelectedComponents1_1]
1981 #! [SnippeDataArrayDoubleKeepSelectedComponents1_2]
1982         arr2V=[1,2,1,2,0,0]
1983         a2=a1.keepSelectedComponents(arr2V)
1984 #! [SnippeDataArrayDoubleKeepSelectedComponents1_2]
1985         return
1986
1987     def testExampleDataArrayIntKeepSelectedComponents1(self):
1988 #! [SnippeDataArrayIntKeepSelectedComponents1_1]
1989         arr1=[1,2,3,4,     # tuple 0
1990               11,12,13,14, # tuple 1
1991               21,22,23,24, #
1992               31,32,33,34,
1993               41,42,43,44]
1994         a1=DataArrayInt()
1995         a1.setValues(arr1,5,4)
1996         a1.setInfoOnComponent(0,"a")
1997         a1.setInfoOnComponent(1,"b")
1998         a1.setInfoOnComponent(2,"c")
1999         a1.setInfoOnComponent(3,"d")
2000 #! [SnippeDataArrayIntKeepSelectedComponents1_1]
2001 #! [SnippeDataArrayIntKeepSelectedComponents1_2]
2002         arr2V=[1,2,1,2,0,0]
2003         a2=a1.keepSelectedComponents(arr2V)
2004 #! [SnippeDataArrayIntKeepSelectedComponents1_2]
2005 #! [SnippeDataArrayIntKeepSelectedComponents1_3]
2006         a3=a1[:,arr2V ]
2007 #! [SnippeDataArrayIntKeepSelectedComponents1_3]
2008         return
2009
2010     def testExampleFieldDoubleBuildSubPart1(self):
2011         from MEDCouplingDataForTest import MEDCouplingDataForTest
2012 #! [PySnippetFieldDoubleBuildSubPart1_1]
2013         mesh1=MEDCouplingDataForTest.build2DTargetMesh_1()
2014         f1=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME)
2015         f1.setTime(2.3,5,6)
2016         f1.setMesh(mesh1)
2017         arr1=[3.,103.,4.,104.,5.,105.,6.,106.,7.,107.]
2018         array=DataArrayDouble(arr1,mesh1.getNumberOfCells(),2)
2019         f1.setArray(array)
2020 # ! [PySnippetFieldDoubleBuildSubPart1_1]
2021 # ! [PySnippetFieldDoubleBuildSubPart1_2]
2022         part1=[2,1,4]
2023         f2=f1.buildSubPart(part1)
2024 # ! [PySnippetFieldDoubleBuildSubPart1_2]
2025         f2.zipCoords()
2026         self.assertEqual(3,f2.getNumberOfTuples())
2027         self.assertEqual(2,f2.getNumberOfComponents())
2028         expected1=[5.,105.,4.,104.,7.,107.]
2029         for i in range(6):
2030             self.assertAlmostEqual(f2.getIJ(0,i),expected1[i],12)
2031             pass
2032         self.assertEqual(3,f2.getMesh().getNumberOfCells())
2033         self.assertEqual(6,f2.getMesh().getNumberOfNodes())
2034         self.assertEqual(2,f2.getMesh().getSpaceDimension())
2035         self.assertEqual(2,f2.getMesh().getMeshDimension())
2036         m2C=f2.getMesh()
2037         self.assertEqual(13,m2C.getNodalConnectivityArrayLen())
2038         expected2=[0.2, -0.3, 0.7, -0.3, 0.2, 0.2, 0.7, 0.2, 0.2, 0.7, 0.7, 0.7]
2039         for i in range(12):
2040             self.assertAlmostEqual(expected2[i],m2C.getCoords().getIJ(0,i),12)
2041             pass
2042         expected3=[3,2,3,1,3,0,2,1,4,4,5,3,2]
2043         self.assertEqual(expected3,list(m2C.getNodalConnectivity().getValues()))
2044         expected4=[0,4,8,13]
2045         self.assertEqual(expected4,list(m2C.getNodalConnectivityIndex().getValues()))
2046         # Test with field on nodes.
2047 # ! [PySnippetFieldDoubleBuildSubPart1_3]
2048         f1=MEDCouplingFieldDouble(ON_NODES,ONE_TIME)
2049         f1.setTime(2.3,5,6)
2050         f1.setMesh(mesh1)
2051         arr2=[3.,103.,4.,104.,5.,105.,6.,106.,7.,107.,8.,108.,9.,109.,10.,110.,11.,111.]
2052         array=DataArrayDouble(arr2,mesh1.getNumberOfNodes(),2)
2053         f1.setArray(array)
2054 # ! [PySnippetFieldDoubleBuildSubPart1_3]
2055 # ! [PySnippetFieldDoubleBuildSubPart1_4]
2056         part2=[1,2]
2057         f2=f1.buildSubPart(part2)
2058 # ! [PySnippetFieldDoubleBuildSubPart1_4]
2059         self.assertEqual(4,f2.getNumberOfTuples())
2060         self.assertEqual(2,f2.getNumberOfComponents())
2061         expected5=[4.,104.,5.,105.,7.,107.,8.,108.]
2062         for i in range(8):
2063             self.assertAlmostEqual(f2.getIJ(0,i),expected5[i],12)
2064             pass
2065         self.assertEqual(2,f2.getMesh().getNumberOfCells())
2066         self.assertEqual(4,f2.getMesh().getNumberOfNodes())
2067         self.assertEqual(2,f2.getMesh().getSpaceDimension())
2068         self.assertEqual(2,f2.getMesh().getMeshDimension())
2069         m2C=f2.getMesh()
2070         self.assertEqual(8,m2C.getNodalConnectivityArrayLen())
2071         for i in range(8):  # 8 is not an error
2072             self.assertAlmostEqual(expected2[i],m2C.getCoords().getIJ(0,i),12)
2073             pass
2074         self.assertEqual(expected3[:4],[int(i) for i in m2C.getNodalConnectivity()][4:])
2075         self.assertEqual(expected3[4:8],[int(i) for i in m2C.getNodalConnectivity()][:4])
2076         self.assertEqual(expected4[:3],[int(i) for i in m2C.getNodalConnectivityIndex()])
2077         #idem previous because nodes of cell#4 are not fully present in part3
2078         part3=[1,2]
2079         arrr=DataArrayInt()
2080         arrr.setValues(part3,2,1)
2081         f2=f1.buildSubPart(arrr)
2082         self.assertEqual(4,f2.getNumberOfTuples())
2083         self.assertEqual(2,f2.getNumberOfComponents())
2084         for i in range(8):
2085             self.assertAlmostEqual(f2.getIJ(0,i),expected5[i],12)
2086             pass
2087         self.assertEqual(2,f2.getMesh().getNumberOfCells())
2088         self.assertEqual(4,f2.getMesh().getNumberOfNodes())
2089         self.assertEqual(2,f2.getMesh().getSpaceDimension())
2090         self.assertEqual(2,f2.getMesh().getMeshDimension())
2091         m2C=f2.getMesh()
2092         self.assertEqual(8,m2C.getNodalConnectivityArrayLen())
2093         for i in range(8):  # 8 is not an error
2094             self.assertAlmostEqual(expected2[i],m2C.getCoords().getIJ(0,i),12)
2095             pass
2096         self.assertEqual(expected3[:4],[int(i) for i in m2C.getNodalConnectivity()][4:8])
2097         self.assertEqual(expected3[4:8],[int(i) for i in m2C.getNodalConnectivity()][:4])
2098         self.assertEqual(expected4[:3],m2C.getNodalConnectivityIndex().getValues())
2099         part4=[1,2,4]
2100         f2=f1.buildSubPart(part4)
2101         self.assertEqual(6,f2.getNumberOfTuples())
2102         self.assertEqual(2,f2.getNumberOfComponents())
2103         expected6=[4.,104.,5.,105.,7.,107.,8.,108.,10.,110.,11.,111.]
2104         for i in range(12):
2105             self.assertAlmostEqual(f2.getIJ(0,i),expected6[i],12)
2106             pass
2107         self.assertEqual(3,f2.getMesh().getNumberOfCells())
2108         self.assertEqual(6,f2.getMesh().getNumberOfNodes())
2109         self.assertEqual(2,f2.getMesh().getSpaceDimension())
2110         self.assertEqual(2,f2.getMesh().getMeshDimension())
2111         m2C=f2.getMesh()
2112         self.assertEqual(13,m2C.getNodalConnectivityArrayLen())
2113         for i in range(12):
2114             self.assertAlmostEqual(expected2[i],m2C.getCoords().getIJ(0,i),12)
2115             pass
2116         self.assertEqual(expected3[0:4],m2C.getNodalConnectivity().getValues()[4:8])
2117         self.assertEqual(expected3[4:8],m2C.getNodalConnectivity().getValues()[0:4])
2118         self.assertEqual(expected3[8:13],m2C.getNodalConnectivity().getValues()[8:13])
2119         self.assertEqual(expected4,m2C.getNodalConnectivityIndex().getValues())
2120         # previous line equivalent to
2121         self.assertEqual(expected4,[int(i) for i in m2C.getNodalConnectivityIndex()])
2122         return
2123
2124     def testExampleUMeshStdBuild1(self):
2125 # ! [PySnippetUMeshStdBuild1_1]
2126         coords=[-0.3,-0.3,0.,   0.2,-0.3,0.,   0.7,-0.3,0.,   -0.3,0.2,0.,   0.2,0.2,0.,
2127                  0.7,0.2,0.,    -0.3,0.7,0.,    0.2,0.7,0.,     0.7,0.7,0. ]
2128         nodalConnPerCell=[0,3,4,1, 1,4,2, 4,5,2, 6,7,4,3, 7,8,5,4]
2129 # ! [PySnippetUMeshStdBuild1_1]
2130 # ! [PySnippetUMeshStdBuild1_2]
2131         mesh=MEDCouplingUMesh("My2DMesh",2)
2132 # ! [PySnippetUMeshStdBuild1_2]
2133 # ! [PySnippetUMeshStdBuild1_3]
2134         mesh.allocateCells(5)#You can put more than 5 if you want but not less.
2135         # adding cells
2136         mesh.insertNextCell(NORM_QUAD4,nodalConnPerCell[:4])
2137         mesh.insertNextCell(NORM_TRI3,nodalConnPerCell[4:7])
2138         mesh.insertNextCell(NORM_TRI3,nodalConnPerCell[7:10])
2139         mesh.insertNextCell(NORM_QUAD4,nodalConnPerCell[10:14])
2140         mesh.insertNextCell(NORM_QUAD4,nodalConnPerCell[14:])
2141         # compacting
2142         mesh.finishInsertingCells()
2143 # ! [PySnippetUMeshStdBuild1_3]
2144 # ! [PySnippetUMeshStdBuild1_4]
2145         coordsArr=DataArrayDouble(coords,9,3)#here coordsArr are declared to have 3 components, mesh will deduce that its spaceDim==3.
2146         mesh.setCoords(coordsArr)#coordsArr contains 9 tuples, that is to say mesh contains 9 nodes.
2147 # ! [PySnippetUMeshStdBuild1_4]
2148 # ! [PySnippetUMeshStdBuild1_5]
2149         mesh.checkConsistencyLight()
2150 # ! [PySnippetUMeshStdBuild1_5]
2151         return
2152
2153     def testExampleCMeshStdBuild1(self):
2154 # ! [PySnippetCMeshStdBuild1_1]
2155         XCoords=[-0.3,0.,0.1,0.3,0.45,0.47,0.49,1.,1.22] # 9 values along X
2156         YCoords=[0.,0.1,0.37,0.45,0.47,0.49,1.007] # 7 values along Y
2157         arrX=DataArrayDouble(XCoords)
2158         arrX.setInfoOnComponent(0,"X [m]")
2159         arrY=DataArrayDouble(YCoords)
2160         arrY.setInfoOnComponent(0,"Y [m]")
2161 # ! [PySnippetCMeshStdBuild1_1]
2162 # ! [PySnippetCMeshStdBuild1_2]
2163         mesh=MEDCouplingCMesh("My2D_CMesh")
2164         mesh.setCoords(arrX,arrY)
2165 # ! [PySnippetCMeshStdBuild1_2]
2166 # ! [PySnippetCMeshStdBuild1_3]
2167         self.assertEqual(8*6,mesh.getNumberOfCells())
2168         self.assertEqual(9*7,mesh.getNumberOfNodes())
2169         self.assertEqual(2,mesh.getSpaceDimension())
2170         self.assertEqual(2,mesh.getMeshDimension())
2171 # ! [PySnippetCMeshStdBuild1_3]
2172         mesh=MEDCouplingCMesh("My2D_CMesh")
2173 # ! [PySnippetCMeshStdBuild1_2bis]
2174         mesh.setCoordsAt(0,arrX)
2175         mesh.setCoordsAt(1,arrY)
2176 # ! [PySnippetCMeshStdBuild1_2bis]
2177         self.assertEqual(8*6,mesh.getNumberOfCells())
2178         self.assertEqual(9*7,mesh.getNumberOfNodes())
2179         self.assertEqual(2,mesh.getSpaceDimension())
2180         self.assertEqual(2,mesh.getMeshDimension())
2181 # ! [PySnippetCMeshStdBuild1_4]
2182 # ! [PySnippetCMeshStdBuild1_4]
2183         return
2184
2185     def testExampleUMeshAdvBuild1(self):
2186 # ! [PySnippetUMeshAdvBuild1_1]
2187         coords=[-0.3,-0.3,0.,   0.2,-0.3,0.,   0.7,-0.3,0.,   -0.3,0.2,0.,   0.2,0.2,0.,
2188                  0.7,0.2,0.,    -0.3,0.7,0.,    0.2,0.7,0.,     0.7,0.7,0. ]
2189         nodalConnPerCell=[4,0,3,4,1, 3,1,4,2, 3,4,5,2, 4,6,7,4,3, 4,7,8,5,4]
2190         nodalConnPerCellIndex=[0,5,9,13,18,23]
2191 # ! [PySnippetUMeshAdvBuild1_1]
2192 # ! [PySnippetUMeshAdvBuild1_2]
2193         mesh=MEDCouplingUMesh("My2DMesh",2)
2194 # ! [PySnippetUMeshAdvBuild1_2]
2195 # ! [PySnippetUMeshAdvBuild1_3]
2196         nodalConn=DataArrayInt(nodalConnPerCell,23,1)
2197         nodalConnI=DataArrayInt(nodalConnPerCellIndex,6,1)
2198         mesh.setConnectivity(nodalConn,nodalConnI,True)
2199 # ! [PySnippetUMeshAdvBuild1_3]
2200 # ! [PySnippetUMeshAdvBuild1_4]
2201         coordsArr=DataArrayDouble(coords,9,3)#here coordsArr are declared to have 3 components, mesh will deduce that its spaceDim==3.
2202         mesh.setCoords(coordsArr)#coordsArr contains 9 tuples, that is to say mesh contains 9 nodes.
2203 # ! [PySnippetUMeshAdvBuild1_4]
2204 # ! [PySnippetUMeshAdvBuild1_5]
2205 # ! [PySnippetUMeshAdvBuild1_5]
2206         mesh.checkConsistencyLight()
2207         return
2208
2209     def testExampleDataArrayBuild1(self):
2210 # ! [PySnippetDataArrayBuild1_0]
2211         dataDouble=[0.,10.,20.,1.,11.,21.,2.,12.,22.,3.,13.,23.,4.,14.,24.]
2212 # ! [PySnippetDataArrayBuild1_0]
2213 # ! [PySnippetDataArrayBuild1_1]
2214         arrayDouble=DataArrayDouble()
2215         arrayDouble.setValues(dataDouble,5,3)# 5 tuples containing each 3 components
2216 # ! [PySnippetDataArrayBuild1_1]
2217 # ! [PySnippetDataArrayBuild1_1bis]
2218         arrayDouble=DataArrayDouble(dataDouble,5,3)
2219 # ! [PySnippetDataArrayBuild1_1bis]
2220 # ! [PySnippetDataArrayBuild1_2]
2221         dataInt=[0, 10, 20, 1, 11, 21, 2, 12, 22, 3, 13, 23, 4, 14, 24]
2222 # ! [PySnippetDataArrayBuild1_2]
2223 # ! [PySnippetDataArrayBuild1_3]
2224         arrayInt=DataArrayInt()
2225         arrayInt.setValues(dataInt,5,3)# 5 tuples containing each 3 components
2226 # ! [PySnippetDataArrayBuild1_3]
2227 # ! [PySnippetDataArrayBuild1_3bis]
2228         arrayInt=DataArrayInt(dataInt,5,3)
2229 # ! [PySnippetDataArrayBuild1_3bis]
2230         return
2231
2232     def testExampleFieldDoubleBuild1(self):
2233         XCoords=[-0.3,0.07,0.1,0.3,0.45,0.47,0.49,1.,1.22];  arrX=DataArrayDouble(XCoords)
2234         YCoords=[0.07,0.1,0.37,0.45,0.47,0.49,1.007]; arrY=DataArrayDouble(YCoords)
2235         mesh=MEDCouplingCMesh("My2D_CMesh")
2236         mesh.setCoords(arrX,arrY)
2237 # ! [PySnippetFieldDoubleBuild1_1]
2238         fieldOnCells=MEDCouplingFieldDouble(ON_CELLS,NO_TIME)
2239         fieldOnCells.setName("MyTensorFieldOnCellNoTime")
2240         fieldOnCells.setMesh(mesh)
2241         array=DataArrayDouble()
2242         array.alloc(fieldOnCells.getMesh().getNumberOfCells(),9) # Implicitly fieldOnCells will be a 9 components field.
2243         array.fillWithValue(7.)
2244         fieldOnCells.setArray(array)
2245         # fieldOnCells is now usable
2246         # ...
2247 # ! [PySnippetFieldDoubleBuild1_1]
2248 # ! [PySnippetFieldDoubleBuild1_2]
2249         f1=mesh.fillFromAnalytic(ON_CELLS,1,"x*x+y*y*3+2.*x") # f1 is scalar
2250         f2=mesh.fillFromAnalytic(ON_CELLS,1,"cos(x+y/x)") # f2 is scalar too
2251         f2bis=mesh.fillFromAnalytic(ON_CELLS,2,"x*x*IVec+3*y*JVec") # f2bis is a vectors field
2252         f3=f1+f2 # f3 scalar
2253         f4=f3/f2 # f4 scalar
2254         f2bis.applyFunc(1,"sqrt(x*x+y*y)") # f2bis becomes scalar
2255         f5=f2bis*f4 # f5 scalar
2256         pos1=[0.48,0.38]
2257         res=f4.getValueOn(pos1) # f4 is scalar so the returned value is of size 1.
2258         # ...
2259 # ! [PySnippetFieldDoubleBuild1_2]
2260 # ! [PySnippetFieldDoubleBuild1_3]
2261 # ! [PySnippetFieldDoubleBuild1_3]
2262         return
2263
2264     def testExampleFieldDoubleBuild2(self):
2265         XCoords=[-0.3,0.,0.1,0.3,0.45,0.47,0.49,1.,1.22];  arrX=DataArrayDouble(XCoords)
2266         YCoords=[0.,0.1,0.37,0.45,0.47,0.49,1.007];  arrY=DataArrayDouble(YCoords)
2267         mesh=MEDCouplingCMesh("My2D_CMesh")
2268         mesh.setCoords(arrX,arrY)
2269 # ! [PySnippetFieldDoubleBuild2_1]
2270         fieldOnNodes=MEDCouplingFieldDouble(ON_NODES,NO_TIME)
2271         fieldOnNodes.setName("MyScalarFieldOnNodeNoTime")
2272         fieldOnNodes.setMesh(mesh)
2273         array=DataArrayDouble()
2274         array.alloc(fieldOnNodes.getMesh().getNumberOfNodes(),1) # Implicitly fieldOnNodes will be a 1 component field.
2275         array.fillWithValue(7.)
2276         fieldOnNodes.setArray(array)
2277         # fieldOnNodes is now usable
2278         # ...
2279 # ! [PySnippetFieldDoubleBuild2_1]
2280         return
2281
2282     def testExampleFieldDoubleBuild3(self):
2283         XCoords=[-0.3,0.,0.1,0.3,0.45,0.47,0.49,1.,1.22];  arrX=DataArrayDouble(XCoords)
2284         YCoords=[0.,0.1,0.37,0.45,0.47,0.49,1.007];  arrY=DataArrayDouble(YCoords)
2285         mesh=MEDCouplingCMesh("My2D_CMesh")
2286         mesh.setCoords(arrX,arrY)
2287 # ! [PySnippetFieldDoubleBuild3_1]
2288         fieldOnCells=MEDCouplingFieldDouble(ON_CELLS,ONE_TIME)
2289         fieldOnCells.setName("MyTensorFieldOnCellNoTime")
2290         fieldOnCells.setTimeUnit("ms") # Time unit is ms.
2291         fieldOnCells.setTime(4.22,2,-1) # Time attached is 4.22 ms, iteration id is 2 and order id (or sub iteration id) is -1
2292         fieldOnCells.setMesh(mesh)
2293         array=DataArrayDouble()
2294         array.alloc(fieldOnCells.getMesh().getNumberOfCells(),2) # Implicitly fieldOnCells will be a 2 components field.
2295         array.fillWithValue(7.)
2296         fieldOnCells.setArray(array)
2297         # fieldOnCells is now usable
2298         # ...
2299 # ! [PySnippetFieldDoubleBuild3_1]
2300         return
2301
2302     def testExampleFieldDoubleBuild4(self):
2303         XCoords=[-0.3,0.,0.1,0.3,0.45,0.47,0.49,1.,1.22];  arrX=DataArrayDouble(XCoords)
2304         YCoords=[0.,0.1,0.37,0.45,0.47,0.49,1.007];  arrY=DataArrayDouble(YCoords)
2305         mesh=MEDCouplingCMesh("My2D_CMesh")
2306         mesh.setCoords(arrX,arrY)
2307 # ! [PySnippetFieldDoubleBuild4_1]
2308         fieldOnNodes=MEDCouplingFieldDouble(ON_NODES,CONST_ON_TIME_INTERVAL)
2309         fieldOnNodes.setName("MyVecFieldOnNodeWithConstTime")
2310         fieldOnNodes.setTimeUnit("ms") # Time unit is ms.
2311         fieldOnNodes.setStartTime(4.22,2,-1)
2312         fieldOnNodes.setEndTime(6.44,4,-1)# fieldOnNodes is defined in interval [4.22 ms,6.44 ms]
2313         fieldOnNodes.setMesh(mesh)
2314         array=DataArrayDouble()
2315         array.alloc(fieldOnNodes.getMesh().getNumberOfNodes(),3) # Implicitly fieldOnNodes will be a 3 components field.
2316         array.fillWithValue(7.)
2317         fieldOnNodes.setArray(array)
2318         # fieldOnNodes is now usable
2319         # ...
2320 # ! [PySnippetFieldDoubleBuild4_1]
2321         return
2322
2323     def testExampleDataArrayApplyFunc1(self):
2324 # ! [PySnippetDataArrayApplyFunc1_1]
2325         d=DataArrayDouble([1.,2.,11.,12.,21.,22.,31.,41.],4,2)
2326         self.assertRaises(InterpKernelException,d.applyFunc,"x*y")
2327 # ! [PySnippetDataArrayApplyFunc1_1]
2328 # ! [PySnippetDataArrayApplyFunc1_2]
2329         d=DataArrayDouble([1.,2.,11.,12.,21.,22.,31.,41.],4,2)
2330         d1=d.applyFunc("smth*smth")
2331         self.assertTrue(d1.isEqual(DataArrayDouble([1.,4.,121.,144.,441.,484.,961.,1681.],4,2),1e-12))
2332 # ! [PySnippetDataArrayApplyFunc1_2]
2333 # ! [PySnippetDataArrayApplyFunc1_3]
2334         d2=d.applyFunc(2,"smth1*IVec+2*smth2*JVec")
2335         self.assertTrue(d2.isEqual(DataArrayDouble([1.,4.,11.,24.,21.,44.,31.,82.],4,2),1e-12))
2336 # ! [PySnippetDataArrayApplyFunc1_3]
2337 # ! [PySnippetDataArrayApplyFunc1_4]
2338         dd=DataArrayDouble([1.,4.,3.,11.,144.,13.,21.,484.,23.,31.,1024.,33.],4,3)
2339 # ! [PySnippetDataArrayApplyFunc1_4]
2340 # ! [PySnippetDataArrayApplyFunc1_5]
2341         dd1=dd.applyFunc(1,"f+sqrt(g)+h")
2342         self.assertTrue(dd1.isEqual(DataArrayDouble([6.,36.,66.,96.],4,1),1e-12))
2343 # ! [PySnippetDataArrayApplyFunc1_5]
2344 # ! [PySnippetDataArrayApplyFunc1_6]
2345         dd2=dd.applyFunc(1,"a+0.*b+c")
2346         self.assertTrue(dd2.isEqual(DataArrayDouble([4.,24.,44.,64.],4,1),1e-12))
2347 # ! [PySnippetDataArrayApplyFunc1_6]
2348 # ! [PySnippetDataArrayApplyFunc1_7]
2349         ddd=DataArrayDouble([1.,4.,3.,11.,144.,13.,21.,484.,23.,31.,1024.,33.],4,3)
2350         ddd.setInfoOnComponents(["Y [m]","AA [m/s]","GG [MW]"])
2351 # ! [PySnippetDataArrayApplyFunc1_7]
2352 # ! [PySnippetDataArrayApplyFunc1_8]
2353         ddd1=ddd.applyFuncCompo(1,"Y+GG")
2354         self.assertTrue(ddd1.isEqual(DataArrayDouble([4.,24.,44.,64.],4,1),1e-12))
2355 # ! [PySnippetDataArrayApplyFunc1_8]
2356 # ! [PySnippetDataArrayApplyFunc1_9]
2357         ddd1=ddd.applyFuncNamedCompo(1,["X","Y","Z"],"X+Z")
2358         self.assertTrue(ddd1.isEqual(DataArrayDouble([4.,24.,44.,64.],4,1),1e-12))
2359 # ! [PySnippetDataArrayApplyFunc1_9]
2360         return
2361
2362     pass
2363
2364 unittest.main()