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Update copyrights 2014.
[tools/medcoupling.git] / src / MEDCoupling_Swig / MEDCouplingBasicsTest.py
index 61ebab008985101939c1c4df561b3ba9108ec014..314850a4980fa2c46f765d5892453b81bd046afe 100644 (file)
@@ -1,10 +1,10 @@
 #  -*- coding: iso-8859-1 -*-
-# Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+# Copyright (C) 2007-2014  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.
+# version 2.1 of the License, or (at your option) any later version.
 #
 # This library is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -123,7 +123,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertTrue(myCoords.getIJ(3,2)==-0.305)
         mesh.setCoords(myCoords);
         mesh.checkCoherency();
-        self.assertTrue(mesh.getAllTypes()==[4])
+        self.assertTrue(mesh.getAllGeoTypes()==[4])
         myFalseConn=DataArrayInt.New()
         myFalseConn.setValues(tab4,6,4)
         self.assertTrue(myFalseConn.getIJ(1,1)==3)
@@ -385,11 +385,11 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         subMesh=mesh.buildPartOfMySelf(tab1,True);
         self.assertTrue(isinstance(subMesh,MEDCouplingUMesh))
         name=subMesh.getName();
-        self.assertEqual(2,len(mesh.getAllTypes()));
-        self.assertEqual(NORM_TRI3,mesh.getAllTypes()[0]);
-        self.assertEqual(NORM_QUAD4,mesh.getAllTypes()[1]);
-        self.assertEqual(1,len(subMesh.getAllTypes()));
-        self.assertEqual(NORM_QUAD4,subMesh.getAllTypes()[0]);
+        self.assertEqual(2,len(mesh.getAllGeoTypes()));
+        self.assertEqual(NORM_TRI3,mesh.getAllGeoTypes()[0]);
+        self.assertEqual(NORM_QUAD4,mesh.getAllGeoTypes()[1]);
+        self.assertEqual(1,len(subMesh.getAllGeoTypes()));
+        self.assertEqual(NORM_QUAD4,subMesh.getAllGeoTypes()[0]);
         self.assertEqual(name,"Toto");
         self.assertEqual(2,subMesh.getNumberOfCells());
         subConn=[4,0,3,4,1,4,7,8,5,4];
@@ -402,9 +402,9 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         subMesh=mesh.buildPartOfMySelf(tab2[0:3],True);
         self.assertTrue(isinstance(subMesh,MEDCouplingUMesh));
         name=subMesh.getName();
-        self.assertEqual(2,len(subMesh.getAllTypes()));
-        self.assertEqual(NORM_TRI3,subMesh.getAllTypes()[0]);
-        self.assertEqual(NORM_QUAD4,subMesh.getAllTypes()[1]);
+        self.assertEqual(2,len(subMesh.getAllGeoTypes()));
+        self.assertEqual(NORM_TRI3,subMesh.getAllGeoTypes()[0]);
+        self.assertEqual(NORM_QUAD4,subMesh.getAllGeoTypes()[1]);
         self.assertEqual(name,"Toto");
         self.assertEqual(3,subMesh.getNumberOfCells());
         subConn2=[4,0,3,4,1,3,4,5,2,4,6,7,4,3]
@@ -426,8 +426,8 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         tab1=[5,7,8,4]
         subMesh=mesh.buildPartOfMySelfNode(tab1[0:4],True);
         self.assertTrue(isinstance(subMesh,MEDCouplingUMesh))
-        self.assertEqual(1,len(subMesh.getAllTypes()));
-        self.assertEqual(NORM_QUAD4,subMesh.getAllTypes()[0]);
+        self.assertEqual(1,len(subMesh.getAllGeoTypes()));
+        self.assertEqual(NORM_QUAD4,subMesh.getAllGeoTypes()[0]);
         self.assertEqual(1,subMesh.getNumberOfCells());
         self.assertEqual(5,subMesh.getNodalConnectivity().getNbOfElems());
         self.assertEqual(2,subMesh.getNodalConnectivityIndex().getNbOfElems());
@@ -442,9 +442,9 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         subMesh=mesh.buildPartOfMySelfNode(ddd,False);
         self.assertEqual("ddd",subMesh.getName())
         self.assertTrue(isinstance(subMesh,MEDCouplingUMesh))
-        self.assertEqual(2,len(subMesh.getAllTypes()));
-        self.assertEqual(NORM_TRI3,subMesh.getAllTypes()[0]);
-        self.assertEqual(NORM_QUAD4,subMesh.getAllTypes()[1]);
+        self.assertEqual(2,len(subMesh.getAllGeoTypes()));
+        self.assertEqual(NORM_TRI3,subMesh.getAllGeoTypes()[0]);
+        self.assertEqual(NORM_QUAD4,subMesh.getAllGeoTypes()[1]);
         self.assertEqual(3,subMesh.getNumberOfCells());
         self.assertEqual(14,subMesh.getNodalConnectivity().getNbOfElems());
         self.assertEqual(4,subMesh.getNodalConnectivityIndex().getNbOfElems());
@@ -456,15 +456,15 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         tab2=[0,3,2,1,4,5,6]
         subMesh=mesh.buildPartOfMySelfNode(tab2[0:7],True);
         self.assertTrue(isinstance(subMesh,MEDCouplingUMesh))
-        self.assertEqual(2,len(subMesh.getAllTypes()));
-        self.assertEqual(NORM_TRI3,subMesh.getAllTypes()[0]);
-        self.assertEqual(NORM_QUAD4,subMesh.getAllTypes()[1]);
+        self.assertEqual(2,len(subMesh.getAllGeoTypes()));
+        self.assertEqual(NORM_TRI3,subMesh.getAllGeoTypes()[0]);
+        self.assertEqual(NORM_QUAD4,subMesh.getAllGeoTypes()[1]);
         self.assertEqual(3,subMesh.getNumberOfCells());
         pass
     
     def testZipCoords(self):
         mesh=MEDCouplingDataForTest.build2DTargetMesh_1();
-        self.assertEqual(2,len(mesh.getAllTypes()));
+        self.assertEqual(2,len(mesh.getAllGeoTypes()));
         self.assertEqual(2,mesh.getSpaceDimension());
         self.assertEqual(9,mesh.getNumberOfNodes());
         self.assertEqual(5,mesh.getNumberOfCells());
@@ -472,7 +472,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         oldConnIndex=mesh.getNodalConnectivityIndex().getValues()[0:mesh.getNumberOfCells()+1]
         oldCoords=mesh.getCoords();
         mesh.zipCoords();
-        self.assertEqual(2,len(mesh.getAllTypes()));
+        self.assertEqual(2,len(mesh.getAllGeoTypes()));
         self.assertEqual(2,mesh.getSpaceDimension());
         self.assertEqual(9,mesh.getNumberOfNodes());
         self.assertEqual(5,mesh.getNumberOfCells());
@@ -486,7 +486,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         traducer=subMesh.zipCoordsTraducer();
         expectedTraducer=[0, 1, -1, 2, 3, 4, -1, 5, 6]
         self.assertEqual(expectedTraducer,list(traducer.getValues()));
-        self.assertEqual(NORM_QUAD4,subMesh.getAllTypes()[0]);
+        self.assertEqual(NORM_QUAD4,subMesh.getAllGeoTypes()[0]);
         self.assertEqual(2,subMesh.getNumberOfCells());
         subConn=[4,0,2,3,1,4,5,6,4,3]
         subConnIndex=[0,5,10]
@@ -498,7 +498,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         #
         subMesh=mesh.buildPartOfMySelf(tab1,False);
         self.assertTrue(isinstance(subMesh,MEDCouplingUMesh))
-        self.assertEqual(NORM_QUAD4,subMesh.getAllTypes()[0]);
+        self.assertEqual(NORM_QUAD4,subMesh.getAllGeoTypes()[0]);
         self.assertEqual(2,subMesh.getNumberOfCells());
         self.assertEqual(7,subMesh.getNumberOfNodes());
         self.assertEqual(10,subMesh.getNodalConnectivity().getNbOfElems());
@@ -2619,7 +2619,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
     def testConvertQuadraticCellsToLinear(self):
         mesh=MEDCouplingDataForTest.build2DTargetMesh_3();
         mesh.checkCoherency();
-        types=mesh.getAllTypes();
+        types=mesh.getAllGeoTypes();
         types.sort()
         self.assertEqual(5,len(types));
         expected1=[NORM_POLYGON, NORM_TRI3, NORM_QUAD4, NORM_TRI6, NORM_QUAD8]
@@ -2636,7 +2636,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         f2=mesh.getMeasureField(False);
         self.assertTrue(f1.getArray().isEqual(f2.getArray(),1e-12));
         self.assertEqual(48,mesh.getMeshLength());
-        types2=mesh.getAllTypes();
+        types2=mesh.getAllGeoTypes();
         types2.sort()
         self.assertEqual(3,len(types2));
         expected2=[NORM_POLYGON, NORM_TRI3, NORM_QUAD4]
@@ -5195,7 +5195,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         for i in xrange(7):
             self.assertAlmostEqual(expected1[i]*sqrt(2.),f.getIJ(i,0),10);
             pass
-        types=m.getAllTypes();
+        types=m.getAllGeoTypes();
         self.assertEqual([NORM_TRI3,NORM_POLYGON],types);
         #
         m=MEDCouplingDataForTest.build3DSurfTargetMesh_1();
@@ -5207,7 +5207,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
             self.assertEqual(expected2[i],da.getIJ(i,0));
             pass
         m.checkCoherency();
-        types=m.getAllTypes();
+        types=m.getAllGeoTypes();
         self.assertEqual([NORM_TRI3,NORM_POLYGON],types);
         self.assertEqual(7,m.getNumberOfCells());
         self.assertEqual(NORM_TRI3,m.getTypeOfCell(0));
@@ -6630,7 +6630,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertEqual(4,m.getNumberOfCells());
         self.assertEqual(3,m.getSpaceDimension());
         self.assertEqual(0,m.getMeshDimension());
-        types1=m.getAllTypes();
+        types1=m.getAllGeoTypes();
         self.assertEqual([NORM_POINT1],types1);
         for i in xrange(4):
             conn=m.getNodeIdsOfCell(i);
@@ -8101,8 +8101,8 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertEqual(1,cI.getNbOfElems());
         self.assertEqual([0],cI.getValues())
         
-        array12=[0.]*(6*4)
-        da.setValues(array12,6,4) #bad NumberOfComponents
+        array12=[0.]*(6*5)
+        da.setValues(array12,6,5) #bad NumberOfComponents
         self.assertRaises(InterpKernelException, da.findCommonTuples, 1e-2);
         pass
 
@@ -8443,6 +8443,24 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertEqual(expected4,m12.getNodalConnectivityIndex().getValues());
         pass
 
+    def testUMeshTessellate2DCurve1(self):
+        # A quarter of circle:
+        mcoords = [0.4,0.0,   0.0,-0.4,   0.283,-0.283]
+        mconnec = [0,1,2]
+
+        m1 = MEDCouplingUMesh.New()
+        m1.setMeshDimension(1)
+        m1.allocateCells(1)
+        m1.insertNextCell(NORM_SEG3, mconnec)
+
+        myCoords = DataArrayDouble.New(mcoords, 3, 2)
+        m1.setCoords(myCoords)
+        
+        m2 = m1.deepCpy()
+        m2.tessellate2DCurve(0.1)
+        # If the following raises, the test will fail automatically:
+        m2.checkCoherency1(0.0) # eps param not used
+
     def testIntersect2DMeshesTmp4(self):
         m1Coords=[0.,0.,1.,0.,1.5,0.,0.,1.,0.,1.5,-1.,0.,-1.5,0.,0.,-1,0.,-1.5,0.5,0.,1.25,0.,0.70710678118654757,0.70710678118654757,1.0606601717798214,1.0606601717798214,0.,0.5,0.,1.25,-0.70710678118654757,0.70710678118654757,-1.0606601717798214,1.0606601717798214,-0.5,0.,-1.25,0.,-0.70710678118654757,-0.70710678118654757,-1.0606601717798214,-1.0606601717798214,0.,-0.5,0.,-1.25,0.70710678118654757,-0.70710678118654757,1.0606601717798214,-1.0606601717798214];
         m1Conn=[0,3,1,13,11,9, 3,4,2,1,14,12,10,11, 5,3,0,15,13,17, 6,4,3,5,16,14,15,18, 5,0,7,17,21,19, 6,5,7,8,18,19,22,20, 0,1,7,9,23,21, 1,2,8,7,10,24,22,23];
@@ -10132,14 +10150,14 @@ class MEDCouplingBasicsTest(unittest.TestCase):
     def testUMeshSetPartOfMySelf2(self):
         # resize with explicit ids list
         m=MEDCouplingDataForTest.build2DTargetMesh_1()
-        self.assertEqual([3,4],m.getAllTypes())
+        self.assertEqual([3,4],m.getAllGeoTypes())
         part=m[[0,3,4]]
         part.simplexize(0)
         part2=part[[1,2,5]]
         m[[0,3,4]]=part2
         self.assertEqual([3,0,4,1,3,1,4,2,3,4,5,2,3,6,7,4,3,7,5,4],m.getNodalConnectivity().getValues())
         self.assertEqual([0,4,8,12,16,20],m.getNodalConnectivityIndex().getValues())
-        self.assertEqual([3],m.getAllTypes())
+        self.assertEqual([3],m.getAllGeoTypes())
         # no resize with explicit ids list
         m=MEDCouplingDataForTest.build2DTargetMesh_1()
         part=m[[0,3]]
@@ -10147,14 +10165,14 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         m[[3,4]]=part
         self.assertEqual([4,0,3,4,1,3,1,4,2,3,4,5,2,5,0,3,4,1,5,6,7,4,3],m.getNodalConnectivity().getValues())
         self.assertEqual([0,5,9,13,18,23],m.getNodalConnectivityIndex().getValues())
-        self.assertEqual([3,4,5],m.getAllTypes())
+        self.assertEqual([3,4,5],m.getAllGeoTypes())
         # resize with range ids
         m=MEDCouplingDataForTest.build2DTargetMesh_1()
         part=m[3:]
         m[1:3]=part
         self.assertEqual([4,0,3,4,1,4,6,7,4,3,4,7,8,5,4,4,6,7,4,3,4,7,8,5,4],m.getNodalConnectivity().getValues())
         self.assertEqual([0,5,10,15,20,25],m.getNodalConnectivityIndex().getValues())
-        self.assertEqual([4],m.getAllTypes())
+        self.assertEqual([4],m.getAllGeoTypes())
         # no resize with range ids
         m=MEDCouplingDataForTest.build2DTargetMesh_1()
         part=m[0::3]
@@ -10162,7 +10180,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         m[3:]=part
         self.assertEqual([4,0,3,4,1,3,1,4,2,3,4,5,2,5,0,3,4,1,5,6,7,4,3],m.getNodalConnectivity().getValues())
         self.assertEqual([0,5,9,13,18,23],m.getNodalConnectivityIndex().getValues())
-        self.assertEqual([3,4,5],m.getAllTypes())
+        self.assertEqual([3,4,5],m.getAllGeoTypes())
         # no resize with range ids negative direction
         m=MEDCouplingDataForTest.build2DTargetMesh_1()
         part=m[3::-3]
@@ -10170,7 +10188,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         m[:-3:-1]=part
         self.assertEqual([4,0,3,4,1,3,1,4,2,3,4,5,2,5,0,3,4,1,5,6,7,4,3],m.getNodalConnectivity().getValues())
         self.assertEqual([0,5,9,13,18,23],m.getNodalConnectivityIndex().getValues())
-        self.assertEqual([3,4,5],m.getAllTypes())
+        self.assertEqual([3,4,5],m.getAllGeoTypes())
         pass
 
     def testUnPolyze3(self):
@@ -10190,7 +10208,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         #
         m.unPolyze();
         #
-        self.assertEqual([NORM_PENTA6],m.getAllTypes())
+        self.assertEqual([NORM_PENTA6],m.getAllGeoTypes())
         self.assertTrue(DataArrayInt([0,7]).isEqual(m.getNodalConnectivityIndex()))
         self.assertTrue(DataArrayInt([16,0,2,1,3,5,4]).isEqual(m.getNodalConnectivity()))
         #
@@ -10349,6 +10367,58 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertEqual(expected2,d2.getValues())
         pass
 
+    def testSwig2Intersect2DMeshesQuadra1(self):
+        import cmath
+        def createDiagCircle(lX, lY, R, cells=[0,1]):  
+            """ A circle in a square box, cut along the diagonal. 
+            """    
+            c = []
+            for i in range(8):
+              c.append(cmath.rect(R, i*pi/4))
+        
+            coords = [0.0,0.0,          c[3].real,c[3].imag,       -lX/2.0, lY/2.0,
+                      0.0, lY/2.0,      lX/2.0,lY/2.0,             lX/2.0,0.0,
+                      #   6                  7                              8
+                      lX/2.0,-lY/2.0,   c[7].real,c[7].imag,       c[1].real,c[1].imag,
+                      #   9                  10                            11  
+                      c[5].real,c[5].imag,   -lX/2.0,-lY/2.0,      0.0, -lY/2.0,
+                      #   12                  13                            14
+                      -lX/2.0,0.0,         0.0,0.0,                  0.0, 0.0]
+            # Points 13 (reps. 14) are average of points (6,7) (resp (1,2))
+            coords[13*2]   = 0.5*(coords[6*2]+coords[7*2])
+            coords[13*2+1] = 0.5*(coords[6*2+1]+coords[7*2+1])
+            coords[14*2]   = 0.5*(coords[1*2]+coords[2*2])
+            coords[14*2+1] = 0.5*(coords[1*2+1]+coords[2*2+1])
+            connec  = [1,7,8,0]      # half circle up right
+            connec3 = [6,7,1,2,4,13,8,14,3,5]
+            
+            baseMesh = MEDCouplingUMesh.New("box_circle", 2)  
+            baseMesh.allocateCells(2)
+            meshCoords = DataArrayDouble.New(coords, len(coords)/2, 2)
+            meshCoords.setInfoOnComponents(["X [au]", "Y [au]"])
+            baseMesh.setCoords(meshCoords)
+            
+            if 0 in cells:
+              baseMesh.insertNextCell(NORM_QPOLYG, connec)  
+            if 1 in cells: 
+              baseMesh.insertNextCell(NORM_QPOLYG, connec3) 
+            baseMesh.finishInsertingCells()  
+            baseMesh.checkCoherency() 
+            return baseMesh 
+        
+        eps = 1.0e-7
+        m1 = createDiagCircle(1.0, 1.0, 0.5*0.90, cells=[0,1])  
+        m2 = createDiagCircle(1.0, 1.0, 0.5*0.95, cells=[0])
+        m3, _, _= MEDCouplingUMesh.Intersect2DMeshes(m1, m2, eps)
+        m3.mergeNodes(eps)
+        m3.convertDegeneratedCells()
+        m3.zipCoords()        
+        m4 = m3.deepCpy()
+        m5, _, _ = MEDCouplingUMesh.Intersect2DMeshes(m3, m4, eps)
+        m5.mergeNodes(eps)
+        # Check coordinates:
+        self.assertTrue(m3.getCoords().isEqual(m5.getCoords(), eps))
+
     def testDAIBuildUnique1(self):
         d=DataArrayInt([1,2,2,3,3,3,3,4,5,5,7,7,7,19])
         e=d.buildUnique()
@@ -11028,9 +11098,13 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         m=MEDCouplingUMesh("toto",3)
         m.allocateCells(0)
         m.insertNextCell(NORM_TETRA4,[0,1,2,3])
+        self.assertEqual([NORM_TETRA4],m.getAllGeoTypesSorted())
         m.insertNextCell(NORM_HEXA8,[4,5,6,7,8,9,10,11])
+        self.assertEqual([NORM_TETRA4,NORM_HEXA8],m.getAllGeoTypesSorted())
         m.insertNextCell(NORM_HEXA8,[12,13,14,15,16,17,18,19])
+        self.assertEqual([NORM_TETRA4,NORM_HEXA8],m.getAllGeoTypesSorted())
         m.insertNextCell(NORM_TETRA4,[20,21,22,23])
+        self.assertEqual([NORM_TETRA4,NORM_HEXA8,NORM_TETRA4],m.getAllGeoTypesSorted())
         c1=DataArrayDouble([0.,0.,0.,0.,1.,0.,1.,0.,0.,0.,0.,1.],4,3)
         c2=DataArrayDouble([0.,0.,0.,0.,1.,0.,1.,1.,0.,1.,0.,0., 0.,0.,1.,0.,1.,1.,1.,1.,1.,1.,0.,1.],8,3) ; c2+=[2.,0.,0.]
         c3=c2+[2.,0.,0.]
@@ -11792,7 +11866,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
 
     def testSwigRepr1(self):
         d=DataArrayDouble()
-        self.assertTrue(len(d.__repr__())<100)
+        self.assertTrue(len(d.__repr__())<120)
         d.alloc(1000,0) ; self.assertTrue(len(d.__repr__())<100)
         for i in xrange(100):
             d.alloc(i,1) ; d.iota(1.1234567890123456) ; d*=1e123
@@ -11807,7 +11881,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
             d.alloc(362880,1) ; d.iota() ; d.rearrange(i) ; self.assertTrue(len(d.__repr__())<500)
             pass
         d.alloc(0,9)
-        self.assertTrue(len(d.__repr__())<100)
+        self.assertTrue(len(d.__repr__())<120)
         #
         d=DataArrayInt()
         self.assertTrue(len(d.__repr__())<100)
@@ -11834,7 +11908,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         d.alloc(2000,16) ; d[:]='1234567890ABCDEF'
         self.assertTrue(len(d.__repr__())<500)
         d.alloc(0,16) ; d[:]='1234567890ABCDEF'
-        self.assertTrue(len(d.__repr__())<100)
+        self.assertTrue(len(d.__repr__())<120)
         #
         d=DataArrayByte()
         self.assertTrue(len(d.__repr__())<100)
@@ -11866,7 +11940,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         m.getNodalConnectivity().setIJ(87,0,21)# put again 21 as at the beginning
         #
         self.assertTrue(m.unPolyze())
-        self.assertEqual([NORM_HEXGP12],m.getAllTypes())
+        self.assertEqual([NORM_HEXGP12],m.getAllGeoTypes())
         self.assertTrue(m.computeIsoBarycenterOfNodesPerCell().isEqual(dReference,1e-12))
         m.getNodalConnectivity().setIJ(25,0,24)
         self.assertRaises(InterpKernelException,m.computeIsoBarycenterOfNodesPerCell)
@@ -12973,8 +13047,9 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         cm.setCoords(arr0,arr1,arr1) ; um=cm.buildUnstructured()
         #
         m=MEDCoupling1SGTUMesh("m",NORM_QUAD4)
+        mem_m=m.getHeapMemorySize()
         m.allocateCells(5)
-        self.assertIn(m.getHeapMemorySize(),xrange(80,90))
+        self.assertIn(m.getHeapMemorySize()-mem_m,xrange(5*4*4,5*4*4+32))
         self.assertEqual(m.getNodalConnectivity().getNbOfElemAllocated(),20)
         m.setCoords(um.getCoords())
         m.insertNextCell([1,0,6,7])
@@ -13315,7 +13390,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertTrue(isinstance(mcpy0,MEDCouplingUMesh))
         self.assertTrue(mcpy0.getNodalConnectivity().isEqual(DataArrayInt([31,3,2,8,9,31,1,0,6,7,-1,7,6,1,31,2,1,7,8,-1,2,1,-1,8,-1,7,31,5,4,10,11,-1,11,10,-1,5,31,4,3,9,10,-1,5,3,9])))
         self.assertTrue(mcpy0.getNodalConnectivityIndex().isEqual(DataArrayInt([0,5,14,26,36,45])))
-        self.assertEqual(mcpy0.getAllTypes(),[NORM_POLYHED])
+        self.assertEqual(mcpy0.getAllGeoTypes(),[NORM_POLYHED])
         mcpy0.checkCoherency()
         mcpy0.checkCoherency2()
         mcpy1=mcpy0.convertIntoSingleGeoTypeMesh()
@@ -13798,9 +13873,346 @@ class MEDCouplingBasicsTest(unittest.TestCase):
             pass
         #
         pass
+    
+    # test the when input slice is all the same object is return by MEDCouplingMesh.buildPartRange
+    def testSwig2MeshPartSlice1(self):
+        a=DataArrayDouble(4) ; a.iota()
+        c=MEDCouplingCMesh() ; c.setCoords(a,a) ; m=c.buildUnstructured()
+        fc0=c.getMeasureField(False) ; fc1=fc0[:] ; fc2=fc0*fc1 ; fc2.setName(fc0.getName())
+        self.assertEqual(fc0.getMesh().getHiddenCppPointer(),fc1.getMesh().getHiddenCppPointer())
+        self.assertEqual(fc2.getMesh().getHiddenCppPointer(),fc1.getMesh().getHiddenCppPointer())
+        self.assertTrue(fc2.isEqual(fc1,1e-12,1e-12))
+        #
+        fm0=m.getMeasureField(False) ; fm1=fm0[:] ; fm2=fm0*fm1 ; fm2.setName(fm0.getName())
+        self.assertEqual(fm0.getMesh().getHiddenCppPointer(),fm1.getMesh().getHiddenCppPointer())
+        self.assertEqual(fm2.getMesh().getHiddenCppPointer(),fm1.getMesh().getHiddenCppPointer())
+        self.assertTrue(fm2.isEqual(fm1,1e-12,1e-12))
+        pass
+
+    # test the correct behaviour when attempting to aggregate two fields whose mesh is null
+    def testSwig2MergeFieldsOnFieldsHavingNoMesh(self):
+        a=DataArrayDouble(4) ; a.iota() ; a*=1.5
+        c=MEDCouplingCMesh() ; c.setCoords(a,a) ; f1=c.getMeasureField(False)
+        f1.setMesh(None) ; f2=f1.deepCpy() ; f2*=2
+        f3=MEDCouplingFieldDouble.MergeFields(f1,f2)
+        daExp=DataArrayDouble([2.25,2.25,2.25,2.25,2.25,2.25,2.25,2.25,2.25,4.5,4.5,4.5,4.5,4.5,4.5,4.5,4.5,4.5])
+        self.assertTrue(f3.getArray().isEqual(daExp,1e-12))
+        self.assertEqual(f3.getTypeOfField(),ON_CELLS)
+        self.assertEqual(f3.getMesh(),None)
+        f4=MEDCouplingFieldDouble.MergeFields([f1,f2])
+        self.assertTrue(f4.getArray().isEqual(daExp,1e-12))
+        self.assertEqual(f4.getTypeOfField(),ON_CELLS)
+        self.assertEqual(f4.getMesh(),None)
+        pass
+
+    # test a simple node to cell convertion of a field
+    def testSwig2NodeToCellDiscretization1(self):
+        f=MEDCouplingFieldDouble(ON_NODES) ; f.setTime(1.1,2,3)
+        a1=DataArrayDouble(4) ; a1.iota()
+        a2=DataArrayDouble(3) ; a2.iota()
+        m=MEDCouplingCMesh() ; m.setCoords(a1,a2)
+        f.setMesh(m)
+        arr=DataArrayDouble([21.,121.,20.,120.,19.,119.,18.,118.,17.,117.,16.,116.,15.,115.,14.,114.,13.,113.,12.,112.,11.,111.,10.,110.],12,2) ; arr.setInfoOnComponents(["aa [km]","bbb [kJ]"])
+        f.setArray(arr) ; f.setName("toto")
+        #
+        f2=f.nodeToCellDiscretization()
+        self.assertEqual(ON_CELLS,f2.getTypeOfField())
+        self.assertEqual("toto",f2.getName())
+        self.assertEqual([1.1,2,3],f2.getTime())
+        self.assertEqual(["aa [km]","bbb [kJ]"],f2.getArray().getInfoOnComponents())
+        self.assertEqual(6,f2.getArray().getNumberOfTuples())
+        self.assertEqual(f.getMesh().getHiddenCppPointer(),f2.getMesh().getHiddenCppPointer())
+        exp=DataArrayDouble([18.5,118.5,17.5,117.5,16.5,116.5,14.5,114.5,13.5,113.5,12.5,112.5],6,2) ; exp.setInfoOnComponents(["aa [km]","bbb [kJ]"])
+        self.assertTrue(f2.getArray().isEqual(exp,1e-13))
+        pass
+    
+    def testSwig2NonRegressionBugIntersectMeshes1(self):
+        src=MEDCouplingUMesh("src",2)
+        src.setCoords(DataArrayDouble([-2.5,-3,-2.5,3,2.5,3],3,2))
+        src.allocateCells()
+        src.insertNextCell(NORM_TRI3,[0,1,2])
+        #
+        trg=MEDCouplingUMesh("trg",2)
+        trg.setCoords(DataArrayDouble([-2.5,-3.,0.,-3.,0.,-2.,-2.,0.,-2.25,0.,-2.5,0.,-2.5,-1.5,0.,-2.5,-1.25,-3.,-1.414213562373095,-1.414213562373095],10,2))
+        trg.allocateCells()
+        trg.insertNextCell(NORM_QPOLYG,[2,1,0,5,3,7,8,6,4,9])
+        #
+        a,b,c=MEDCouplingUMesh.Intersect2DMeshes(src,trg,1.0e-8)
+        a.mergeNodes(1e-8)
+        self.assertTrue(a.getCoords().isEqual(DataArrayDouble([-2.5,-3.,-2.5,3.,2.5,3.,0.,-3.,0.,-2.,-2.,0.,-2.25,0.,-2.5,0.,-2.5,-1.5,0.,-2.5,-1.25,-3.,-1.414213562373095,-1.414213562373095,-1.2803687993289596,-1.5364425591947515,-1.8901843996644798,-2.2682212795973755,-1.81117884244736,-0.8483107924994473,-2.5,1.5,0.,3.,0.6098156003355202,0.7317787204026243],18,2),1e-12))
+        self.assertTrue(a.getNodalConnectivity().isEqual(DataArrayInt([32,12,0,7,5,13,8,6,14,32,7,1,2,12,5,15,16,17,14,6])))
+        self.assertTrue(a.getNodalConnectivityIndex().isEqual(DataArrayInt([0,9,20])))
+        self.assertTrue(b.isEqual(DataArrayInt([0,0])))
+        self.assertTrue(c.isEqual(DataArrayInt([0,-1])))
+        pass
+
+    def testSwig2MeshOrientCorrectly2DCells1(self):
+        m=MEDCouplingUMesh("mesh",2)
+        coo=DataArrayDouble([1.,0.,0.5,-0.1,0.,1.,0.,0.,0.07,0.5,0.59,0.5],6,2)
+        m.setCoords(coo)
+        m.allocateCells()
+        m.insertNextCell(NORM_TRI6,[3,0,2,1,5,4])
+        m.insertNextCell(NORM_QPOLYG,[3,0,2,1,5,4])
+        self.assertTrue(DataArrayDouble([-0.58093333350930543,-0.58093333350930543]).isEqual(m.getMeasureField(False).getArray(),1e-12))
+        m.changeSpaceDimension(3)
+        m.orientCorrectly2DCells([0.,0.,-1.],False)
+        #
+        m.checkCoherency()
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([6,3,2,0,4,5,1, 32,3,2,0,4,5,1])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,7,14])))
+        m.changeSpaceDimension(2)
+        self.assertTrue(DataArrayDouble([0.58093333350930543,0.58093333350930543]).isEqual(m.getMeasureField(False).getArray(),1e-12))
+        pass
+
+    def testSwig2Hexa8HavingFacesWarped1(self):
+        """ This test is bases on a "error" of interpolation detected. After investigation cell #3 of src is warped that leads to the fact that when trg is 
+        intersected with src the sum of intersection volume is greater than the volume of the trg cell.
+        A test that can be done is to split the cell #3 of src into tetrohedrons and by summing all the volumes it does not fit the volume computed of cell#3 unsplitted (expect for
+        GENERAL_24).
+        """
+        srcCoo=DataArrayDouble([0.15694071546650565,0.09383333333333337,6.920842121738133,0.15774332475430292,0.185486666666667,6.920682472824616,0.1585459340420992,0.27713999999999994,6.9205228239111,0.07427195882345167,0.05782666666666668,6.937285959830335,0.06343673343819695,0.11347333333333297,6.939441220162809,0.05260150805294228,0.16911999999999996,6.941596480495282,0.014076262238703396,0.04800666666666667,6.949259628344076,0.014076262238703396,0.07092000000000007,6.949259628344076,0.15407499632681992,0.09383333333333338,6.897607484780063,0.15489234394181514,0.18548666666666702,6.897567331066572,0.15570969155680933,0.27714,6.897527177353081,0.06988819198237989,0.05782666666666669,6.901743317269663,0.05885399917995321,0.11347333333333298,6.9022853924017955,0.047819806377526586,0.16912,6.902827467533927,0.0085871208577874,0.048006666666666684,6.9047548457815076,0.0085871208577874,0.07092000000000008,6.9047548457815076,0.153883333333333,0.09383333333333338,6.820902,0.154701666666667,0.18548666666666702,6.820902,0.15551999999999996,0.27714,6.820902,0.06959499999999999,0.05782666666666669,6.820902,0.058547499999999975,0.11347333333333298,6.820902,0.04749999999999999,0.16912,6.820902],22,3)
+        src=MEDCouplingUMesh("TBmesh3D",3) ; src.setCoords(srcCoo)
+        src.allocateCells()
+        src.insertNextCell(NORM_HEXA8,[0,1,4,3,8,9,12,11])
+        src.insertNextCell(NORM_HEXA8,[1,2,5,4,9,10,13,12])
+        src.insertNextCell(NORM_HEXA8,[4,5,7,6,12,13,15,14])
+        src.insertNextCell(NORM_HEXA8,[8,9,12,11,16,17,20,19])
+        src.insertNextCell(NORM_HEXA8,[9,10,13,12,17,18,21,20])
+        src.checkCoherency2()
+        # trg is useless here but I keep it in case of MEDCouplingRemapper were expected to do something about warped NORM_HEXA8
+        trgCoo=DataArrayDouble([0.0960891897852753,0.105088620541845,6.8598,0.0599574480546212,0.118434267436059,6.8598,0.113514510609589,0.14874473653263,6.8598,0.0831322609794463,0.167319109733883,6.8598,0.0960891897852753,0.105088620541845,6.92146666666667,0.0599574480546212,0.118434267436059,6.92146666666667,0.113514510609589,0.14874473653263,6.92146666666667,0.0831322609794463,0.167319109733883,6.92146666666667],8,3)
+        trg=MEDCouplingUMesh("MESH",3) ; trg.setCoords(trgCoo)
+        trg.allocateCells()
+        trg.insertNextCell(NORM_HEXA8,[0,1,3,2,4,5,7,6])
+        #
+        srcFace=src.buildDescendingConnectivity()[0]
+        conn=MEDCoupling1SGTUMesh(srcFace).getNodalConnectivity() ; conn.rearrange(4)
+        eqFaces=srcFace.computePlaneEquationOf3DFaces()
+        nodeIdInCell=3
+        e=(srcFace.getCoords()[conn[:,nodeIdInCell]]*eqFaces[:,:-1]).sumPerTuple()+eqFaces[:,3]# e represent the error between the expected 'a*X+b*Y+c*Z+d' in eqFaces and 0. Closer e to 0. is closer the 4th point is to the plane built with the 3 first points
+        lambd=-e/(eqFaces[:,:3]**2).sumPerTuple()
+        pts=lambd*eqFaces[:,:-1]+srcFace.getCoords()[conn[:,nodeIdInCell]]#pts represent the projection of the last points of each NORM_QUAD4 to the plane defined by the 3 first points of the NORM_QUAD4 cell
+        shouldBeZero=(pts*eqFaces[:,:-1]).sumPerTuple()+eqFaces[:,3]# this line is useless only to be sure that pts are on the plane.
+        check=(pts-srcFace.getCoords()[conn[:,nodeIdInCell]]).magnitude() # check contains the distance of the last point to its plane
+        idsToTest=check.getIdsNotInRange(0.,1e-10)
+        self.assertTrue(idsToTest.isEqual(DataArrayInt([17,18,19,20,22,23,24])))
+        idsToTest2=idsToTest.getIdsNotInRange(18,22)
+        self.assertTrue(idsToTest2.isEqual(DataArrayInt([0,4,5,6])))
+        idsToTest2.rearrange(2)
+        self.assertTrue(idsToTest2.sumPerTuple().isEqual(DataArrayInt([4,11])))
+        pass
+
+    def testSwig2SortHexa8EachOther1(self):
+        """
+        testing MEDCoupling1SGTUMesh.sortHexa8EachOther method
+        """
+        coords1=DataArrayDouble([(-0.5,0.5,-0.5),(0.5,-0.5,-0.5),(-0.5,-0.5,0.5),(-0.5,-0.5,-0.5),(0.5,-0.5,0.5),(-0.5,0.5,0.5),(0.5,0.5,0.5),(0.5,0.5,-0.5)])
+        m1=MEDCouplingUMesh("m1",3) ; m1.setCoords(coords1)
+        m1.allocateCells() ; m1.insertNextCell(NORM_HEXA8,[7,1,3,0,6,4,2,5])
+        m1.checkCoherency()
+        #
+        m2=m1.deepCpy() ; m2.setName("m2")
+        #
+        trs=[[0.,0.,-1.],[0.,0.,1.],[1.,0.,0.],[0.,-1.,0.],[-1.,0.,0.],[0.,1.,0.]]
+        for i,t in enumerate(trs):
+            for j in xrange(64):
+                j2=(j//16) ; j1=((j%16)//4) ; j0=(j%4)
+                m11=m1.deepCpy()
+                m11.rotate([0.,0.,0.],[0.,0.,1.],float(j0)*pi/2)
+                m11.rotate([0.,0.,0.],[0.,1.,0.],float(j1)*pi/2)
+                m11.rotate([0.,0.,0.],[1.,0.,0.],float(j2)*pi/2)
+                m11.translate(t)
+                #
+                m=MEDCouplingUMesh.MergeUMeshes(m2,m11)
+                m.mergeNodes(1e-12)
+                self.assertEqual(12,m.getNumberOfNodes())
+                m=MEDCoupling1SGTUMesh(m)
+                m.sortHexa8EachOther()
+                tmp0=m.buildUnstructured().tetrahedrize(PLANAR_FACE_6)[0].buildUnstructured()
+                self.assertEqual(20,tmp0.computeSkin().getNumberOfCells())
+                pass
+            pass
+        pass
+
+    def testSwig2normMinComputeAbs1(self):
+        d=DataArrayDouble([4,-5,2,6.1,-7.33,1,-1,3e2,0.07,-0.009,-6,-1e30],4,3)
+        d.setInfoOnComponents(["XX [m]","YYY [km]","ABSJJ [MW]"])
+        d0=d.computeAbs()
+        dExp=d.deepCpy() ; dExp.abs()
+        self.assertTrue(dExp.isEqual(d0,1e-12))
+        e=d0-DataArrayDouble([4,5,2,6.1,7.33,1,1,3e2,0.07,0.009,6,1e30],4,3)
+        self.assertAlmostEqual(0.,e.normMin(),13)
+        self.assertAlmostEqual(0.009,d.normMin(),13)
+        #
+        di=DataArrayInt([3,-12,5,6,14,16,-23,100,23,-1,0,-6],4,3)
+        di.setInfoOnComponents(["XX [m]","YYY [km]","ABSJJ [MW]"])
+        d0i=di.computeAbs()
+        diExp=di.deepCpy() ; diExp.abs()
+        self.assertTrue(diExp.isEqual(d0i))
+        self.assertEqual([3,12,5,6,14,16,23,100,23,1,0,6],d0i.getValues())
+        pass
+
+    def testSwig2GetCellsContainingPointsForNonConvexPolygon1(self):
+        coo=DataArrayDouble([-0.5,-0.5,-0.5,0.5,0.5,0.5,0.5,-0.5,0.,-0.5,0.,0.,0.5,0.,],7,2)
+        m=MEDCouplingUMesh("Intersect2D",2) ; m.setCoords(coo) ; m.allocateCells()
+        m.insertNextCell(NORM_POLYGON,[6,3,4,5])
+        m.insertNextCell(NORM_POLYGON,[4,0,1,2,6,5])
+        m.checkCoherency2()
+        #
+        self.assertTrue(m.getCellsContainingPoint((0.4,-0.4),1e-12).isEqual(DataArrayInt([0])))
+        self.assertTrue(m.getCellsContainingPoint((-0.4,-0.4),1e-12).isEqual(DataArrayInt([1])))
+        self.assertTrue(m.getCellsContainingPoint((0.,-0.4),1e-12).isEqual(DataArrayInt([0,1])))
+        pass
+    
+    def testSwig2GetCellsContainingPointsForNonConvexPolygon2(self):
+        coo=DataArrayDouble([-0.5,-0.5,-0.5,0.5,0.5,0.5,0.5,-0.5,-2.0816681711721685e-17,-2.0816681711721685e-17,-0.17677669529663687,0.1767766952966369,0.,0.5,0.5,0.,0.17677669529663684,-0.17677669529663692,0.17677669529663692,0.17677669529663684,-0.17677669529663692,-0.17677669529663687,0.,-0.5,-0.5,0.,0.33838834764831843,-0.3383883476483185,-0.33838834764831843,0.33838834764831843,-0.21213203435596423,0.21213203435596426,0.2121320343559642,-0.2121320343559643,0.21213203435596426,0.2121320343559642,-0.21213203435596423,-0.21213203435596428,0.3560660171779821,-0.35606601717798214,-0.35606601717798214,0.35606601717798214,0.19445436482630052,-0.19445436482630063,-0.19445436482630055,0.19445436482630057,0.,0.27],24,2)
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo) ; m.allocateCells()
+        m.insertNextCell(NORM_QPOLYG,[8,5,4,9])
+        m.insertNextCell(NORM_QPOLYG,[5,8,4,10])
+        m.insertNextCell(NORM_QPOLYG,[16,8,5,15,21,9,22,17])
+        m.insertNextCell(NORM_QPOLYG,[15,1,2,3,16,20,6,7,19,17])
+        m.insertNextCell(NORM_QPOLYG,[15,5,8,16,22,10,21,18])
+        m.insertNextCell(NORM_QPOLYG,[16,3,0,1,15,19,11,12,20,18])
+        m.checkCoherency2()
+        self.assertTrue(m.getCellsContainingPoint([0.,0.27],1e-12).isEqual(DataArrayInt([2])))
+        pass
+
+    def testSwig2DAIGetIdsEqualTuple1(self):
+        da=DataArrayInt([0,7,1,2,4,1,2,1,1,2,0,1,2,1,5,1,1,2],9,2)
+        self.assertTrue(da.getIdsEqualTuple([1,2]).isEqual(DataArrayInt([1,4,8])))
+        self.assertTrue(da.getIdsEqualTuple((1,2)).isEqual(DataArrayInt([1,4,8])))
+        self.assertTrue(da.getIdsEqualTuple(DataArrayInt([1,2])).isEqual(DataArrayInt([1,4,8])))
+        da.rearrange(3)
+        self.assertRaises(InterpKernelException,da.getIdsEqualTuple,[1,2])# mismatch nb of compo (3) and nb of elts in input tuple (2)
+        self.assertTrue(da.getIdsEqualTuple([2,0,1]).isEqual(DataArrayInt([3])))
+        self.assertTrue(da.getIdsEqualTuple([2,0,7]).isEqual(DataArrayInt([])))
+        da.rearrange(1)
+        self.assertTrue(da.getIdsEqualTuple(2).isEqual(DataArrayInt([3,6,9,12,17])))
+        self.assertTrue(da.getIdsEqualTuple(2).isEqual(da.getIdsEqual(2)))
+        pass
+
+    def testSwig2GaussNEStaticInfo1(self):
+        self.assertTrue(DataArrayDouble(MEDCouplingFieldDiscretizationGaussNE.GetWeightArrayFromGeometricType(NORM_TRI3)).isEqual(DataArrayDouble([0.16666666666666666,0.16666666666666666,0.16666666666666666]),1e-12))
+        self.assertTrue(DataArrayDouble(MEDCouplingFieldDiscretizationGaussNE.GetRefCoordsFromGeometricType(NORM_TRI3)).isEqual(DataArrayDouble([0.,0.,1.,0.,0.,1.]),1e-12))
+        self.assertTrue(DataArrayDouble(MEDCouplingFieldDiscretizationGaussNE.GetLocsFromGeometricType(NORM_TRI3)).isEqual(DataArrayDouble([0.16666666666666666,0.16666666666666666,0.6666666666666667,0.16666666666666666,0.16666666666666666,0.6666666666666667]),1e-12))
+        pass
+
+    def testSwigReverseNodalConnOnStructuredMesh(self):
+        # 1D - standard
+        c=MEDCouplingCMesh() ; arr=DataArrayDouble(10) ; arr.iota()
+        c.setCoordsAt(0,arr)
+        rn,rni=c.getReverseNodalConnectivity()
+        rn2,rni2=c.buildUnstructured().getReverseNodalConnectivity()
+        self.assertTrue(rn.isEqual(DataArrayInt([0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8])))
+        self.assertTrue(rni.isEqual(DataArrayInt([0,1,3,5,7,9,11,13,15,17,18])))
+        self.assertTrue(rn.isEqual(rn2)) ; self.assertTrue(rni.isEqual(rni2))
+        # 1D - limit
+        c=MEDCouplingCMesh() ; arr=DataArrayDouble(1) ; arr.iota()
+        c.setCoordsAt(0,arr)
+        rn,rni=c.getReverseNodalConnectivity()
+        rn2,rni2=c.buildUnstructured().getReverseNodalConnectivity()
+        self.assertTrue(rn.isEqual(DataArrayInt([0])))
+        self.assertTrue(rni.isEqual(DataArrayInt([0,1])))
+        self.assertTrue(rn.isEqual(rn2)) ; self.assertTrue(rni.isEqual(rni2))
+        # 1D - limit
+        c=MEDCouplingCMesh() ; arr=DataArrayDouble(0) ; arr.iota()
+        c.setCoordsAt(0,arr)
+        rn,rni=c.getReverseNodalConnectivity()
+        rn.isEqual(DataArrayInt([]))
+        rni.isEqual(DataArrayInt([0]))
+        # 2D - standard
+        c=MEDCouplingCMesh() ; arr=DataArrayDouble(5) ; arr.iota() ; arr2=DataArrayDouble(4) ; arr.iota()
+        c.setCoords(arr,arr2)
+        rn,rni=c.getReverseNodalConnectivity()
+        rn2,rni2=c.buildUnstructured().getReverseNodalConnectivity()
+        self.assertTrue(rn.isEqual(DataArrayInt([0,0,1,1,2,2,3,3,0,4,0,1,4,5,1,2,5,6,2,3,6,7,3,7,4,8,4,5,8,9,5,6,9,10,6,7,10,11,7,11,8,8,9,9,10,10,11,11])))
+        self.assertTrue(rni.isEqual(DataArrayInt([0,1,3,5,7,8,10,14,18,22,24,26,30,34,38,40,41,43,45,47,48])))
+        self.assertTrue(rn.isEqual(rn2)) ; self.assertTrue(rni.isEqual(rni2))
+        # 2D - limit
+        c=MEDCouplingCMesh() ; arr=DataArrayDouble(10) ; arr.iota() ; arr2=DataArrayDouble(1) ; arr.iota()
+        c.setCoords(arr,arr2)
+        rn,rni=c.getReverseNodalConnectivity()
+        self.assertTrue(rn.isEqual(DataArrayInt([0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8])))
+        self.assertTrue(rni.isEqual(DataArrayInt([0,1,3,5,7,9,11,13,15,17,18])))
+        # 2D - limit
+        c=MEDCouplingCMesh() ; arr=DataArrayDouble(10) ; arr.iota() ; arr2=DataArrayDouble(1) ; arr.iota()
+        c.setCoords(arr2,arr)
+        rn,rni=c.getReverseNodalConnectivity()
+        self.assertTrue(rn.isEqual(DataArrayInt([0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8])))
+        self.assertTrue(rni.isEqual(DataArrayInt([0,1,3,5,7,9,11,13,15,17,18])))
+        # 3D - standard
+        c=MEDCouplingCMesh() ; arr0=DataArrayDouble(5) ; arr0.iota() ; arr1=DataArrayDouble(3) ; arr1.iota() ; arr2=DataArrayDouble(4) ; arr2.iota()
+        c.setCoords(arr0,arr1,arr2)
+        rn,rni=c.getReverseNodalConnectivity()
+        self.assertTrue(rn.isEqual(DataArrayInt([0,0,1,1,2,2,3,3,0,4,0,1,4,5,1,2,5,6,2,3,6,7,3,7,4,4,5,5,6,6,7,7,0,8,0,1,8,9,1,2,9,10,2,3,10,11,3,11,0,4,8,12,0,1,4,5,8,9,12,13,1,2,5,6,9,10,13,14,2,3,6,7,10,11,14,15,3,7,11,15,4,12,4,5,12,13,5,6,13,14,6,7,14,15,7,15,8,16,8,9,16,17,9,10,17,18,10,11,18,19,11,19,8,12,16,20,8,9,12,13,16,17,20,21,9,10,13,14,17,18,21,22,10,11,14,15,18,19,22,23,11,15,19,23,12,20,12,13,20,21,13,14,21,22,14,15,22,23,15,23,16,16,17,17,18,18,19,19,16,20,16,17,20,21,17,18,21,22,18,19,22,23,19,23,20,20,21,21,22,22,23,23])))
+        self.assertTrue(rni.isEqual(DataArrayInt([0,1,3,5,7,8,10,14,18,22,24,25,27,29,31,32,34,38,42,46,48,52,60,68,76,80,82,86,90,94,96,98,102,106,110,112,116,124,132,140,144,146,150,154,158,160,161,163,165,167,168,170,174,178,182,184,185,187,189,191,192])))
+        rn2,rni2=c.buildUnstructured().getReverseNodalConnectivity()
+        self.assertTrue(rn.isEqual(rn2)) ; self.assertTrue(rni.isEqual(rni2))
+        pass
+
+    def testSwig2CellToNodeDiscretization1(self):
+        m=MEDCouplingCMesh() ; arr0=DataArrayDouble(5) ; arr0.iota() ; arr1=DataArrayDouble(4) ; arr1.iota() ; m.setCoords(arr0,arr1)
+        f=MEDCouplingFieldDouble(ON_CELLS) ; f.setMesh(m) ; f.setTime(1.1,5,6)
+        arr=DataArrayDouble(12) ; arr.iota()
+        arr=DataArrayDouble.Meld(arr,arr+100.) ; arr.setInfoOnComponents(["aaa","bbb"])
+        f.setArray(arr)
+        f.checkCoherency()
+        #
+        ref=DataArrayDouble([0.,0.5,1.5,2.5,3.,2.,2.5,3.5,4.5,5.,6.,6.5,7.5,8.5,9.,8.,8.5,9.5,10.5,11.])
+        ref=DataArrayDouble.Meld(ref,ref+100.) ; ref.setInfoOnComponents(["aaa","bbb"])
+        f2=f.cellToNodeDiscretization()
+        f2.checkCoherency()
+        self.assertEqual(f2.getTime()[1:],[5,6])
+        self.assertAlmostEqual(f2.getTime()[0],1.1,15)
+        self.assertEqual(f2.getMesh().getHiddenCppPointer(),m.getHiddenCppPointer())
+        self.assertTrue(f2.getArray().isEqual(ref,1e-12))
+        rn,rni=m.getReverseNodalConnectivity()
+        rni2=(rni.deltaShiftIndex()).convertToDblArr()
+        arr2=(f.getArray()[rn]).accumulatePerChunck(rni)/rni2
+        self.assertTrue(f2.getArray().isEqual(arr2,1e-12))
+        del f2
+        #
+        u=m.buildUnstructured() ; f.setMesh(u) ; del m
+        f3=f.cellToNodeDiscretization()
+        f3.checkCoherency()
+        self.assertEqual(f3.getTime()[1:],[5,6])
+        self.assertAlmostEqual(f3.getTime()[0],1.1,15)
+        self.assertEqual(f3.getMesh().getHiddenCppPointer(),u.getHiddenCppPointer())
+        self.assertTrue(f3.getArray().isEqual(ref,1e-12))
+        pass
+
+    def testSwig2GetMeshSpaceDimensionCMesh1(self):
+        c=MEDCouplingCMesh()
+        arr0=DataArrayDouble([0,1,2])
+        arr1=DataArrayDouble([0])
+        c.setCoords(arr0,arr0,arr0)
+        self.assertEqual(c.getMeshDimension(),3)
+        self.assertEqual(c.getSpaceDimension(),3)
+        #
+        c.setCoords(arr0,arr0,arr1)
+        self.assertEqual(c.getMeshDimension(),2)
+        self.assertEqual(c.getSpaceDimension(),3)
+        #
+        c.setCoords(arr0,arr0)
+        self.assertEqual(c.getMeshDimension(),2)
+        self.assertEqual(c.getSpaceDimension(),2)
+        #
+        c.setCoords(arr0,arr1)
+        self.assertEqual(c.getMeshDimension(),1)
+        self.assertEqual(c.getSpaceDimension(),2)
+        #
+        c.setCoords(arr0)
+        self.assertEqual(c.getMeshDimension(),1)
+        self.assertEqual(c.getSpaceDimension(),1)
+        #
+        c.setCoords(arr1)
+        self.assertEqual(c.getMeshDimension(),0)
+        self.assertEqual(c.getSpaceDimension(),1)
+        pass
 
     def setUp(self):
         pass
     pass
 
-unittest.main()
+if __name__ == '__main__':
+    unittest.main()