--- /dev/null
+# -*- coding: iso-8859-1 -*-
+# Copyright (C) 2007-2013 CEA/DEN, EDF R&D
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+# Author : Anthony Geay (CEA/DEN)
+
+from MEDLoader import *
+import unittest
+from math import pi,e,sqrt
+
+class MEDLoaderTest4(unittest.TestCase):
+ """
+ Test series to emulate the future MEDReader plugin for PARAVIS.
+ """
+ def test1(self):
+ """
+ This test is the most simple one. One time serie of one field with only cell fields with no profiles.
+ The only "difficulty" is that the cell field is lying on different levels (2D and 1D) to maximize the compatibility with ParaVIS.
+ """
+ fname="ForMEDReader1.med"
+ # building a mesh containing 4 tri3 + 5 quad4
+ tri=MEDCouplingUMesh("tri",2)
+ tri.allocateCells() ; tri.insertNextCell(NORM_TRI3,[0,1,2])
+ tri.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,0.)]))
+ tris=[tri.deepCpy() for i in xrange(4)]
+ for i,elt in enumerate(tris): elt.translate([i,0])
+ tris=MEDCouplingUMesh.MergeUMeshes(tris)
+ quad=MEDCouplingUMesh("quad",2)
+ quad.allocateCells() ; quad.insertNextCell(NORM_QUAD4,[0,1,2,3])
+ quad.setCoords(DataArrayDouble([(0.,0.),(0.,1.),(1.,1.),(1.,0.)]))
+ quads=[quad.deepCpy() for i in xrange(5)]
+ for i,elt in enumerate(quads): elt.translate([5+i,0])
+ quads=MEDCouplingUMesh.MergeUMeshes(quads)
+ m=MEDCouplingUMesh.MergeUMeshes(tris,quads)
+ m.setName("mesh") ; m.getCoords().setInfoOnComponents(["XX [m]","YYY [km]"])
+ m1=m.buildDescendingConnectivity()[0]
+ mm=MEDFileUMesh() ; mm.setMeshes([m,m1])
+ #
+ fieldName="zeField"
+ fs=MEDFileFieldMultiTS()
+ ##### Time step 0
+ i=0
+ f=MEDFileField1TS()
+ fCell0=MEDCouplingFieldDouble(ON_CELLS) ; fCell0.setTime(float(i),i,0)
+ fCell0.setName(fieldName) ; fCell0.setMesh(m)
+ arr=DataArrayDouble(2*m.getNumberOfCells()) ; arr.iota(100) ; arr.rearrange(2)
+ fCell0.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell0.checkCoherency()
+ f.setFieldNoProfileSBT(fCell0)
+ fCell1=MEDCouplingFieldDouble(ON_CELLS) ; fCell1.setTime(float(i),i,0)
+ fCell1.setName(fieldName) ; fCell1.setMesh(m1)
+ arr=DataArrayDouble(2*m1.getNumberOfCells()) ; arr.iota(200) ; arr.rearrange(2)
+ fCell1.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell1.checkCoherency()
+ f.setFieldNoProfileSBT(fCell1)
+ fs.pushBackTimeStep(f)
+ ##### Time step 1
+ i=1
+ f=MEDFileField1TS()
+ fCell0=MEDCouplingFieldDouble(ON_CELLS) ; fCell0.setTime(float(i),i,0)
+ fCell0.setName(fieldName) ; fCell0.setMesh(m)
+ arr=DataArrayDouble(2*m.getNumberOfCells()) ; arr.iota(1100) ; arr.rearrange(2)
+ fCell0.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell0.checkCoherency()
+ f.setFieldNoProfileSBT(fCell0)
+ #
+ fCell1=MEDCouplingFieldDouble(ON_CELLS) ; fCell1.setTime(float(i),i,0)
+ fCell1.setName(fieldName) ; fCell1.setMesh(m1)
+ arr=DataArrayDouble(2*m1.getNumberOfCells()) ; arr.iota(1200) ; arr.rearrange(2)
+ fCell1.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell1.checkCoherency()
+ f.setFieldNoProfileSBT(fCell1)
+ fs.pushBackTimeStep(f)
+ ##### Time step 2
+ i=2
+ f=MEDFileField1TS()
+ fCell0=MEDCouplingFieldDouble(ON_CELLS) ; fCell0.setTime(float(i),i,0)
+ fCell0.setName(fieldName) ; fCell0.setMesh(m)
+ arr=DataArrayDouble(2*m.getNumberOfCells()) ; arr.iota(2100) ; arr.rearrange(2)
+ fCell0.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell0.checkCoherency()
+ f.setFieldNoProfileSBT(fCell0)
+ #
+ fCell1=MEDCouplingFieldDouble(ON_CELLS) ; fCell1.setTime(float(i),i,0)
+ fCell1.setName(fieldName) ; fCell1.setMesh(m1)
+ arr=DataArrayDouble(2*m1.getNumberOfCells()) ; arr.iota(2200) ; arr.rearrange(2)
+ fCell1.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell1.checkCoherency()
+ f.setFieldNoProfileSBT(fCell1)
+ fs.pushBackTimeStep(f)
+ ##### Time step 3
+ i=3
+ f=MEDFileField1TS()
+ #
+ fCell0=MEDCouplingFieldDouble(ON_CELLS) ; fCell0.setTime(float(i),i,0)
+ fCell0.setName(fieldName) ; fCell0.setMesh(m)
+ arr=DataArrayDouble(2*m.getNumberOfCells()) ; arr.iota(3100) ; arr.rearrange(2)
+ fCell0.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell0.checkCoherency()
+ f.setFieldNoProfileSBT(fCell0)
+ #
+ fCell1=MEDCouplingFieldDouble(ON_CELLS) ; fCell1.setTime(float(i),i,0)
+ fCell1.setName(fieldName) ; fCell1.setMesh(m1)
+ arr=DataArrayDouble(2*m1.getNumberOfCells()) ; arr.iota(3200) ; arr.rearrange(2)
+ fCell1.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell1.checkCoherency()
+ f.setFieldNoProfileSBT(fCell1)
+ #
+ fs.pushBackTimeStep(f)
+ ##### Time step 4
+ i=4
+ f=MEDFileField1TS()
+ #
+ fCell0=MEDCouplingFieldDouble(ON_CELLS) ; fCell0.setTime(float(i),i,0)
+ fCell0.setName(fieldName) ; fCell0.setMesh(m)
+ arr=DataArrayDouble(2*m.getNumberOfCells()) ; arr.iota(4100) ; arr.rearrange(2)
+ fCell0.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell0.checkCoherency()
+ f.setFieldNoProfileSBT(fCell0)
+ #
+ fCell1=MEDCouplingFieldDouble(ON_CELLS) ; fCell1.setTime(float(i),i,0)
+ fCell1.setName(fieldName) ; fCell1.setMesh(m1)
+ arr=DataArrayDouble(2*m1.getNumberOfCells()) ; arr.iota(4200) ; arr.rearrange(2)
+ fCell1.setArray(arr) ; arr.setInfoOnComponents(["Comp1 [m]","Com2 [s^2]"])
+ fCell1.checkCoherency()
+ f.setFieldNoProfileSBT(fCell1)
+ fs.pushBackTimeStep(f)
+ mm.write(fname,2)
+ fs.write(fname,0)
+ a0Exp=mm.getCoords().deepCpy()
+ del m,m1,mm,fs,f,fCell0,fCell1
+ ########## GO for reading in MEDReader, by not loading all. Mesh is fully loaded but not fields values
+ ms=MEDFileMeshes(fname)
+ fields=MEDFileFields(fname,False) # False is important to not read the values
+ fields_per_mesh=[fields.partOfThisLyingOnSpecifiedMeshName(meshName) for meshName in ms.getMeshesNames()]
+ allFMTSLeavesToDisplay=[]
+ for fields in fields_per_mesh:
+ allFMTSLeavesToDisplay2=[]
+ for fmts in fields:
+ allFMTSLeavesToDisplay2+=fmts.splitDiscretizations()
+ pass
+ allFMTSLeavesToDisplay.append(allFMTSLeavesToDisplay2)
+ pass
+ self.assertEqual(len(allFMTSLeavesToDisplay),1)
+ self.assertEqual(len(allFMTSLeavesToDisplay[0]),1)
+ for fmts in allFMTSLeavesToDisplay[0]:
+ self.assertEqual(fmts.getTimeSteps(),[(0,0,0.),(1,0,1.),(2,0,2.),(3,0,3.),(4,0,4.)]) # All discretizations have the same time series
+ pass
+ allFMTSLeavesPerTimeSeries=MEDFileAnyTypeFieldMultiTS.SplitIntoCommonTimeSeries(sum(allFMTSLeavesToDisplay,[]))
+ self.assertEqual(len(allFMTSLeavesPerTimeSeries),1)
+ self.assertEqual(len(allFMTSLeavesPerTimeSeries[0]),1)
+ allFMTSLeavesPerCommonSupport=MEDFileAnyTypeFieldMultiTS.SplitPerCommonSupport(allFMTSLeavesPerTimeSeries[0],ms[ms.getMeshesNames()[0]])
+ #
+ mst=MEDFileMeshStruct.New(ms[0])
+ fcscp=MEDFileFastCellSupportComparator.New(mst,allFMTSLeavesPerCommonSupport[0][0])
+ mml=fcscp.buildFromScratchDataSetSupport(0,fields)
+ self.assertTrue(isinstance(mml,MEDUMeshMultiLev))
+ for i in xrange(1,5):
+ self.assertTrue(fcscp.isDataSetSupportEqualToThePreviousOne(i,fields))
+ pass
+ a0,a1,a2,a3,a4,a5=mml.buildVTUArrays()
+ self.assertTrue(a0.isEqual(a0Exp,1e-12))
+ self.assertTrue(a1.isEqual(DataArrayByte([3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,5,5,5,5,9,9,9,9,9])))
+ self.assertTrue(a2.isEqual(DataArrayInt([2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,67,70,73,76,80,84,88,92,96])))
+ self.assertTrue(a3.isEqual(DataArrayInt([2,0,1,2,1,2,2,2,0,2,3,4,2,4,5,2,5,3,2,6,7,2,7,8,2,8,6,2,9,10,2,10,11,2,11,9,2,12,13,2,13,14,2,14,15,2,15,12,2,16,17,2,17,18,2,18,19,2,19,16,2,20,21,2,21,22,2,22,23,2,23,20,2,24,25,2,25,26,2,26,27,2,27,24,2,28,29,2,29,30,2,30,31,2,31,28,3,0,1,2,3,3,4,5,3,6,7,8,3,9,10,11,4,12,13,14,15,4,16,17,18,19,4,20,21,22,23,4,24,25,26,27,4,28,29,30,31])))
+ self.assertTrue(a4 is None)
+ self.assertTrue(a5 is None)
+ for i in xrange(5):
+ fsst=MEDFileField1TSStructItem.BuildItemFrom(fields[0][i],mst)
+ fields[0][i].loadArraysIfNecessary()
+ v=mml.buildDataArray(fsst,fields,fields[0][i].getUndergroundDataArray())
+ self.assertEqual(v.getHiddenCppPointer(),fields[0][i].getUndergroundDataArray().getHiddenCppPointer())
+ vExp=DataArrayDouble([200.,201.,202.,203.,204.,205.,206.,207.,208.,209.,210.,211.,212.,213.,214.,215.,216.,217.,218.,219.,220.,221.,222.,223.,224.,225.,226.,227.,228.,229.,230.,231.,232.,233.,234.,235.,236.,237.,238.,239.,240.,241.,242.,243.,244.,245.,246.,247.,248.,249.,250.,251.,252.,253.,254.,255.,256.,257.,258.,259.,260.,261.,262.,263.,100.,101.,102.,103.,104.,105.,106.,107.,108.,109.,110.,111.,112.,113.,114.,115.,116.,117.],41,2) ; vExp.setInfoOnComponents(['Comp1 [m]','Com2 [s^2]']) ; vExp+=i*1000
+ self.assertTrue(v.isEqual(vExp,1e-12))
+ pass
+ pass
+ pass
+
+unittest.main()
