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addition of MEDCouplingUMesh::conformize2D to conformize a 2D mesh
[tools/medcoupling.git] / src / MEDCoupling_Swig / MEDCouplingBasicsTest.py
index 7ebacabddf7a70254dc6bf642621beffc56ed151..2af096bf8fb0bbace3eb25fdfdc35f17382287bc 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());
@@ -2183,6 +2183,27 @@ class MEDCouplingBasicsTest(unittest.TestCase):
             pass
         pass
 
+    def testCellOrientation3(self):
+        from cmath import rect  
+
+        c = [rect(1.0, i*pi/4.0) for i in range(8)]
+        coords = [c[-1].real,c[-1].imag,  c[3].real,c[3].imag,
+                   c[5].real,c[5].imag,  c[1].real,c[1].imag]
+        connec = [0,1,2,3] 
+        baseMesh = MEDCouplingUMesh.New("circle", 2)  
+        baseMesh.allocateCells(1)
+        meshCoords = DataArrayDouble.New(coords, 4, 2)
+        baseMesh.setCoords(meshCoords)
+        baseMesh.insertNextCell(NORM_QPOLYG, connec)  # a circle
+        baseMesh.finishInsertingCells()  
+        baseMesh.changeSpaceDimension(3)
+        Oz = [0.0, 0.0, -1.0] 
+        cell_lst = baseMesh.are2DCellsNotCorrectlyOriented(Oz, False)
+        self.assertEqual(cell_lst.getNumberOfTuples(), 0)
+        Oz[2] = 1.0
+        cell_lst = baseMesh.are2DCellsNotCorrectlyOriented(Oz, False)
+        self.assertEqual(cell_lst.getNumberOfTuples(), 1)
+
     def testPolyhedronBarycenter(self):
         connN=[0,3,2,1, -1, 4,5,6,7, -1, 0,4,7,3, -1, 3,7,6,2, -1, 2,6,5,1, -1, 1,5,4,0];
         coords=[0.,0.,0., 1.,0.,0., 1.,1.,0., 0.,1.,0., 0.,0.,1., 1.,0.,1., 1.,1.,1., 0.,1.,1., 0.5, 0.5, 0.5];
@@ -2619,7 +2640,7 @@ 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 +2657,7 @@ 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 +5216,7 @@ 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 +5228,7 @@ 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 +6651,7 @@ 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 +8122,8 @@ 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 +8464,24 @@ 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 +10171,14 @@ 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 +10186,14 @@ 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 +10201,7 @@ 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 +10209,7 @@ 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 +10229,7 @@ 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 +10388,87 @@ 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 testIntersect2DMeshesTmp7(self):
+        eps = 1.0e-8
+        coords = [-0.5,-0.5,   -0.5, 0.5, 0.5, 0.5,    0.5,-0.5]
+        connec = range(4)
+        m1 = MEDCouplingUMesh.New("box", 2)  
+        m1.allocateCells(1)
+        meshCoords = DataArrayDouble.New(coords, len(coords)/2, 2)
+        m1.setCoords(meshCoords)
+        m1.insertNextCell(NORM_POLYGON, connec)
+        m1.finishInsertingCells()  
+     
+        m2 = MEDCouplingDataForTest.buildCircle(0.25, 0.2, 0.4)
+        # Was looping indefinitly:
+        m_intersec, resToM1, resToM2 = MEDCouplingUMesh.Intersect2DMeshes(m1, m2, eps)
+        m_intersec.zipCoords()
+        coo_tgt = DataArrayDouble([-0.5, -0.5, -0.5, 0.5, 0.5, 0.5, 0.5, -0.5, -0.03284271247461901, 0.4828427124746191, 
+          -0.014575131106459124, 0.5000000000000001, 0.5, -0.11224989991991996, 0.24271243444677046, 0.5, 0.5, 0.19387505004004, 
+          -0.04799910280454185, -0.06682678787499614, -0.023843325638122054, 0.4915644577163915, 0.5, -0.30612494995996, 0.0, -0.5, 
+          -0.5, 0.0, -0.25728756555322957, 0.5, -0.023843325638122026, 0.49156445771639157, -0.04799910280454181, -0.06682678787499613], 17 ,2)
+        conn_tgt = [32, 5, 2, 6, 4, 7, 8, 9, 10, 32, 6, 3, 0, 1, 5, 4, 11, 12, 13, 14, 15, 16]
+        connI_tgt = [0, 9, 22]
+        res1_tgt  = [0, 0]
+        res2_tgt = [0, -1]
+        self.assert_(coo_tgt.isEqualWithoutConsideringStr(m_intersec.getCoords(), 1e-12))
+        self.assertEqual(conn_tgt, m_intersec.getNodalConnectivity().getValues())
+        self.assertEqual(connI_tgt, m_intersec.getNodalConnectivityIndex().getValues())
+        self.assertEqual(res1_tgt, resToM1.getValues())
+        self.assertEqual(res2_tgt, resToM2.getValues())
+        
     def testDAIBuildUnique1(self):
         d=DataArrayInt([1,2,2,3,3,3,3,4,5,5,7,7,7,19])
         e=d.buildUnique()
@@ -11028,9 +11148,13 @@ 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 +11916,7 @@ 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 +11931,7 @@ 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 +11958,7 @@ 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 +11990,7 @@ 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 +13097,9 @@ 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 +13440,7 @@ 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()
@@ -13637,7 +13762,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         m4.allocateCells(0)
         m4.insertNextCell(NORM_HEXA8,[3,2,1,0,7,6,5,4])
         c,a,b=m4.tetrahedrize(PLANAR_FACE_6)
-        m4.checkCoherency2()
+        c.checkCoherency2()
         a.isEqual(DataArrayInt([0,0,0,0,0,0]))
         self.assertEqual(0,b)
         self.assertEqual(c.getCoords().getHiddenCppPointer(),coords.getHiddenCppPointer())
@@ -13708,8 +13833,555 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         self.assertAlmostEqual(0.6666666666666667,c.getMeasureField(False).accumulate()[0],12)
         pass
 
+    def testDualMesh3D1(self):
+        arr=DataArrayDouble(2) ; arr.iota()
+        c=MEDCouplingCMesh() ; c.setCoords(arr,arr,arr)
+        m=c.buildUnstructured()
+        t=m.tetrahedrize(PLANAR_FACE_5)[0]
+        d=t.computeDualMesh()
+        self.assertTrue(d.getNodalConnectivityIndex().isEqual(DataArrayInt([0,29,118,207,236,325,354,383,472])))
+        self.assertTrue(d.getNodalConnectivity().isEqual(DataArrayInt([26,11,42,8,-1,25,8,42,10,-1,29,10,42,11,-1,0,26,8,25,-1,0,25,10,29,-1,0,29,11,26,24,9,42,8,-1,26,8,42,11,-1,27,11,42,9,-1,1,24,8,26,-1,1,26,11,27,-1,30,13,43,12,-1,24,12,43,15,-1,32,15,43,13,-1,1,30,12,24,-1,1,32,13,30,-1,35,17,44,16,-1,32,16,44,19,-1,27,19,44,17,-1,1,35,16,32,-1,1,27,17,35,-1,24,15,46,9,-1,27,9,46,19,-1,32,19,46,15,27,9,42,11,-1,29,11,42,10,-1,28,10,42,9,-1,2,29,10,28,-1,2,27,11,29,-1,27,17,44,19,-1,38,19,44,18,-1,37,18,44,17,-1,2,37,17,27,-1,2,38,18,37,-1,28,21,45,23,-1,41,23,45,22,-1,38,22,45,21,-1,2,41,22,38,-1,2,28,23,41,-1,27,19,46,9,-1,28,9,46,21,-1,38,21,46,19,35,16,44,17,-1,36,18,44,16,-1,37,17,44,18,-1,3,36,16,35,-1,3,35,17,37,-1,3,37,18,36,24,8,42,9,-1,25,10,42,8,-1,28,9,42,10,-1,4,25,8,24,-1,4,28,10,25,-1,24,15,43,12,-1,31,12,43,14,-1,34,14,43,15,-1,4,24,12,31,-1,4,31,14,34,-1,34,21,45,20,-1,40,20,45,23,-1,28,23,45,21,-1,4,34,20,40,-1,4,40,23,28,-1,24,9,46,15,-1,28,21,46,9,-1,34,15,46,21,30,12,43,13,-1,31,14,43,12,-1,33,13,43,14,-1,5,31,12,30,-1,5,30,13,33,-1,5,33,14,31,40,23,45,20,-1,39,20,45,22,-1,41,22,45,23,-1,6,40,20,39,-1,6,39,22,41,-1,6,41,23,40,32,13,43,15,-1,34,15,43,14,-1,33,14,43,13,-1,7,33,13,32,-1,7,34,14,33,-1,32,19,44,16,-1,36,16,44,18,-1,38,18,44,19,-1,7,32,16,36,-1,7,36,18,38,-1,34,20,45,21,-1,39,22,45,20,-1,38,21,45,22,-1,7,39,20,34,-1,7,38,22,39,-1,32,15,46,19,-1,38,19,46,21,-1,34,21,46,15])))
+        self.assertTrue(d.getCoords().isEqual(DataArrayDouble([0.,0.,0.,1.,0.,0.,0.,1.,0.,1.,1.,0.,0.,0.,1.,1.,0.,1.,0.,1.,1.,1.,1.,1.,0.3333333333333333,0.,0.3333333333333333,0.3333333333333333,0.3333333333333333,0.3333333333333333,0.,0.3333333333333333,0.3333333333333333,0.3333333333333333,0.3333333333333333,0.,0.6666666666666666,0.,0.6666666666666666,1.,0.3333333333333333,0.6666666666666666,0.6666666666666666,0.3333333333333333,1.,0.6666666666666666,0.3333333333333333,0.6666666666666666,1.,0.6666666666666666,0.3333333333333333,0.6666666666666666,0.6666666666666666,0.,0.6666666666666666,1.,0.3333333333333333,0.6666666666666666,0.6666666666666666,0.3333333333333333,0.3333333333333333,0.6666666666666666,1.,0.3333333333333333,0.6666666666666666,0.6666666666666666,0.3333333333333333,1.,0.6666666666666666,0.,0.6666666666666666,0.6666666666666666,0.5,0.,0.5,0.,0.,0.5,0.5,0.,0.,0.5,0.5,0.,0.,0.5,0.5,0.,0.5,0.,1.,0.,0.5,0.5,0.,1.,1.,0.5,0.5,1.,0.5,1.,0.5,0.5,1.,1.,0.5,0.,1.,1.,0.5,0.5,1.,0.,0.5,1.,0.5,0.5,1.,1.,0.,0.5,1.,0.,1.,0.5,0.25,0.25,0.25,0.75,0.25,0.75,0.75,0.75,0.25,0.25,0.75,0.75,0.5,0.5,0.5],47,3),1e-12))
+        self.assertAlmostEqual(1.,d.getMeasureField(False).accumulate()[0],1e-13)
+        pass
+
+    def testDualMesh2D1(self):
+        arr=DataArrayDouble(5) ; arr.iota()
+        c=MEDCouplingCMesh() ; c.setCoords(arr,arr)
+        m=c.buildUnstructured()
+        m.simplexize(0)
+        t=MEDCoupling1SGTUMesh(m)
+        d=t.computeDualMesh()
+        self.assertTrue(d.getNodalConnectivityIndex().isEqual(DataArrayInt([0,4,12,20,28,34,42,54,66,78,86,94,106,118,130,138,146,158,170,182,190,196,204,212,220,224])))
+        self.assertTrue(d.getNodalConnectivity().isEqual(DataArrayInt([26,81,25,0,25,81,27,82,29,83,30,1,30,83,31,84,33,85,34,2,34,85,35,86,37,87,38,3,38,87,39,88,41,4,27,81,26,5,42,89,28,82,29,82,28,89,43,90,45,91,32,84,31,83,33,84,32,91,46,92,48,93,36,86,35,85,37,86,36,93,49,94,51,95,40,88,39,87,41,88,40,95,52,96,54,9,43,89,42,10,55,97,44,90,45,90,44,97,56,98,58,99,47,92,46,91,48,92,47,99,59,100,61,101,50,94,49,93,51,94,50,101,62,102,64,103,53,96,52,95,54,96,53,103,65,104,67,14,56,97,55,15,68,105,57,98,58,98,57,105,69,106,71,107,60,100,59,99,61,100,60,107,72,108,74,109,63,102,62,101,64,102,63,109,75,110,77,111,66,104,65,103,67,104,66,111,78,112,80,19,69,105,68,20,70,106,71,106,70,21,73,108,72,107,74,108,73,22,76,110,75,109,77,110,76,23,79,112,78,111,80,112,79,24])))
+        self.assertTrue(d.getCoords().isEqual(DataArrayDouble([0.,0.,1.,0.,2.,0.,3.,0.,4.,0.,0.,1.,1.,1.,2.,1.,3.,1.,4.,1.,0.,2.,1.,2.,2.,2.,3.,2.,4.,2.,0.,3.,1.,3.,2.,3.,3.,3.,4.,3.,0.,4.,1.,4.,2.,4.,3.,4.,4.,4.,0.5,0.,0.,0.5,0.5,0.5,0.5,1.,1.,0.5,1.5,0.,1.5,0.5,1.5,1.,2.,0.5,2.5,0.,2.5,0.5,2.5,1.,3.,0.5,3.5,0.,3.5,0.5,3.5,1.,4.,0.5,0.,1.5,0.5,1.5,0.5,2.,1.,1.5,1.5,1.5,1.5,2.,2.,1.5,2.5,1.5,2.5,2.,3.,1.5,3.5,1.5,3.5,2.,4.,1.5,0.,2.5,0.5,2.5,0.5,3.,1.,2.5,1.5,2.5,1.5,3.,2.,2.5,2.5,2.5,2.5,3.,3.,2.5,3.5,2.5,3.5,3.,4.,2.5,0.,3.5,0.5,3.5,0.5,4.,1.,3.5,1.5,3.5,1.5,4.,2.,3.5,2.5,3.5,2.5,4.,3.,3.5,3.5,3.5,3.5,4.,4.,3.5,0.3333333333333333,0.3333333333333333,0.6666666666666666,0.6666666666666666,1.3333333333333333,0.3333333333333333,1.6666666666666665,0.6666666666666666,2.333333333333333,0.3333333333333333,2.6666666666666665,0.6666666666666666,3.333333333333333,0.3333333333333333,3.6666666666666665,0.6666666666666666,0.3333333333333333,1.3333333333333333,0.6666666666666666,1.6666666666666665,1.3333333333333333,1.3333333333333333,1.6666666666666665,1.6666666666666665,2.333333333333333,1.3333333333333333,2.6666666666666665,1.6666666666666665,3.333333333333333,1.3333333333333333,3.6666666666666665,1.6666666666666665,0.3333333333333333,2.333333333333333,0.6666666666666666,2.6666666666666665,1.3333333333333333,2.333333333333333,1.6666666666666665,2.6666666666666665,2.333333333333333,2.333333333333333,2.6666666666666665,2.6666666666666665,3.333333333333333,2.333333333333333,3.6666666666666665,2.6666666666666665,0.3333333333333333,3.333333333333333,0.6666666666666666,3.6666666666666665,1.3333333333333333,3.333333333333333,1.6666666666666665,3.6666666666666665,2.333333333333333,3.333333333333333,2.6666666666666665,3.6666666666666665,3.333333333333333,3.333333333333333,3.6666666666666665,3.6666666666666665],113,2),1e-12))
+        self.assertAlmostEqual(16.,d.getMeasureField(False).accumulate()[0],1e-13)
+        pass
+
+    def testSwig2LoadBalanceBBox1(self):
+        arr=DataArrayDouble(5) ; arr.iota()
+        t=MEDCouplingCMesh() ; t.setCoords(arr,arr)
+        arr=DataArrayDouble(16) ; arr.iota() ; arr*=2./15
+        s=MEDCouplingCMesh() ; s.setCoords(arr,arr[:]) ; s.translate([2.,1.])
+        #
+        s1=s.build1SGTUnstructured()
+        t1=t.build1SGTUnstructured()
+        w=MEDCouplingPointSet.ComputeNbOfInteractionsWithSrcCells(s1,t1,1e-12)
+        wExp=DataArrayInt([0,0,0,0,0,0,64,64,0,0,64,64,0,0,0,0])
+        self.assertTrue(w.isEqual(wExp))
+        slcs=w.splitInBalancedSlices(4)
+        self.assertEqual(len(slcs),4)
+        self.assertEqual(slcs,[slice(0,7,1),slice(7,8,1),slice(8,11,1),slice(11,16,1)])
+        bbs=s1.getBoundingBoxForBBTree()
+        bbt=t1.getBoundingBoxForBBTree()
+        self.assertTrue(bbt.computeNbOfInteractionsWith(bbs,1e-12).isEqual(wExp))
+        pass
+
+    def testKrSpatialDiscretization2(self):
+        srcPointCoordsXY=DataArrayDouble([0.8401877171547095,0.39438292681909304,0.7830992237586059,0.7984400334760733,0.9116473579367843,0.19755136929338396,0.335222755714889,0.768229594811904,0.2777747108031878,0.5539699557954305,0.47739705186216025,0.6288709247619244,0.36478447279184334,0.5134009101956155,0.9522297251747128,0.9161950680037007,0.6357117279599009,0.7172969294326831,0.14160255535580338,0.6069688762570586,0.01630057162432958,0.24288677062973696,0.13723157678601872,0.8041767542269904,0.15667908925408455,0.4009443942461835,0.12979044678145574,0.10880880202576929,0.998924518003559,0.21825690531090688,0.5129323944043984,0.8391122346926072,0.6126398325956612,0.29603161769734304,0.6375522677030192,0.5242871900667843,0.493582986990727,0.9727750238835695,0.29251678441302703,0.7713576977939148,0.5267449792133388,0.7699138362751873,0.4002286220901779,0.8915294520051822,0.2833147460051415,0.3524583472648907,0.8077245200088827,0.9190264739650424,0.06975527623191256,0.9493270753646861,0.5259953502221011,0.08605584785624214,0.19221384599442307,0.6632269270081198,0.8902326025488938,0.3488929352485076,0.06417132078864207,0.02002304886468828,0.4577017372742769,0.06309583832653977,0.23827995417559517,0.9706341316786754,0.9022080734848082,0.8509197867712563,0.2666657493760184,0.5397603407221662,0.3752069763723793,0.7602487363667454,0.5125353641400744,0.6677237607854063,0.5316064341606602,0.039280343353413204,0.4376375965949323,0.9318350562508382,0.9308097953585953,0.7209523430657351,0.28429340305006756,0.7385343149018168,0.6399788165651163,0.3540486797476414,0.687861390266503,0.16597416632155615,0.4401045276038835,0.880075236260926,0.829201093329676,0.3303371296871161,0.22896817104377232,0.8933724145839793,0.35036017855180435,0.6866699083180492,0.9564682529105192,0.5886401331930609,0.6573040395310633,0.8586763259296661,0.4395599194986559,0.9239697889070817,0.39843666665183225,0.8147668963366965,0.6842185252738271,0.9109720307919067,0.4824906566564416,0.21582495896882609,0.9502523741453198,0.9201282537170352,0.14766001475400292,0.8810621695039152,0.641080596317109,0.43195341826973177,0.6195964839400707,0.281059412416564,0.7860020980173732,0.3074578737409124,0.44703357920378145,0.22610662515559543,0.18753310953617705,0.27623467206779617,0.5564437553083728,0.4165012805799494,0.16960708618611428,0.9068039338601771,0.10317118843233734,0.1260753390966334,0.49544406658757667,0.7604752284290619,0.9847516650262995,0.9350039865518939,0.6844450168704823,0.3831883312124705,0.7497708824229291,0.36866354167864823,0.2941603620043771,0.2322615386137094,0.5844885006474743,0.24441273568403568,0.15238979186508328,0.7321485158671385,0.12547490472228962,0.7934703881821923,0.164101933671209,0.7450713891280216,0.07452980059875632,0.9501040316885822,0.05252926240327268,0.5215633798025378,0.1762106563785163,0.24006237240511102,0.797798051870334,0.732654411686889,0.6565636529850605,0.9674051385221095,0.6394583455470663,0.7597348418830591,0.09348047715308166,0.13490241166898162,0.5202100698464597,0.07823214171371988,0.06990639775521419,0.2046550862512808,0.4614204733918516,0.8196772801781433,0.5733186283955903,0.7555808353962288,0.05193881879185271,0.1578071285774033,0.9999935710802644,0.204328610656936,0.8899556444445419,0.12546847580255405,0.9977989993047895,0.054057577650089554,0.8705398649305757,0.07232879943788462,0.004161608873010431,0.9230691273338484,0.5938921792404224,0.180372265717188,0.16313149927329806,0.3916902306450951,0.9130266774040771,0.8196951527240198,0.35909536870154335,0.552485022485482,0.5794299941414176,0.452575845854625,0.687387434620125,0.09964006352221597,0.5308079880340062,0.7572938323753392,0.30429514977349675,0.9922284614258579,0.5769711125534824,0.877613778169087,0.7478092963564253,0.6289099313453351,0.03542090674649035,0.7478028669710285,0.8332385420022712,0.9253765511910322,0.8732713427735824,0.8310375408413995],100,2)
+        srcFieldValsOnPoints=DataArrayDouble([0.7643742528498438,-0.023507696856211995,1.1082895131907775,0.6299357452572031,0.8892623544912389,0.72212114810697,0.9196401044320336,-0.759961711221917,0.40801932617748826,0.8441134300809151,0.982483804252809,0.6752368914020778,0.9924403977479798,1.1063334970204484,0.9403055261137516,0.3624481886322733,1.1344772505996308,0.7522965618948239,0.17077741651388564,0.6504551671311436,0.45843479588425423,0.41098905950326753,1.0681420394050904,-0.3483587903820091,0.5620151050607809,1.384969776596035,0.7948875141132845,0.7931192000237167,1.062498042490183,1.3709072529577366,0.44929346605311893,-0.4469683401788374,0.9035857424514101,0.6137249300593463,0.6355610879026966,1.4318174829507697,0.3097567072129551,-0.20515052260807165,0.6922559820922779,1.0341638749443423,1.3072652153341024,0.38511367353000436,0.9160514929274943,0.54513408530581,0.722252267913328,0.06684522818576251,0.10571899758067793,0.3193844999960903,0.5213532270828706,-0.04834998649603944,1.2408805068350615,-0.7632951295676795,0.5980054665011202,0.9064738717547436,1.1541070755096696,1.008234260272265,1.2225806960553827,1.0788560195121106,0.9818990282104452,0.5621951325841853,1.0796757508374188,0.5082872315589883,-0.9153702001062469,0.9560418838920791,0.9251098559152824,1.1603063610984021,1.2122303611181837,0.7379539363312343,0.6877611899207183,0.723966552446608,0.5596025827162566,0.8849725005989729,1.0908363665075547,0.08956512916455672,-0.10247645571248344,0.3236718069555875,1.069478546398975,1.3900071080692746,1.0322398863403262,0.45315515354558034,0.4249870238786733,1.030226761858634,0.974024629584669,1.2838885424020365,1.3451943506525155,1.4029933267831995,0.6025539675442462,1.2947650597767038,1.0006061239483002,-0.4017336259949164,0.8771165113201297,0.9158909024218246,1.403798605551443,0.4742904006425974,0.3671787905896653,0.20646491720419674,0.40739337434288925,0.7341932402033597,-0.4295893651836911,-0.3187777570661546],100,1)
+        targetPointCoordsXY=DataArrayDouble([-0.5,-0.5,-0.5,-0.35,-0.5,-0.2,-0.5,-0.05,-0.5,0.1,-0.5,0.25,-0.5,0.4,-0.5,0.55,-0.5,0.7,-0.5,0.85,-0.5,1.0,-0.5,1.15,-0.5,1.3,-0.5,1.45,-0.35,-0.5,-0.35,-0.35,-0.35,-0.2,-0.35,-0.05,-0.35,0.1,-0.35,0.25,-0.35,0.4,-0.35,0.55,-0.35,0.7,-0.35,0.85,-0.35,1.0,-0.35,1.15,-0.35,1.3,-0.35,1.45,-0.2,-0.5,-0.2,-0.35,-0.2,-0.2,-0.2,-0.05,-0.2,0.1,-0.2,0.25,-0.2,0.4,-0.2,0.55,-0.2,0.7,-0.2,0.85,-0.2,1.0,-0.2,1.15,-0.2,1.3,-0.2,1.45,-0.05,-0.5,-0.05,-0.35,-0.05,-0.2,-0.05,-0.05,-0.05,0.1,-0.05,0.25,-0.05,0.4,-0.05,0.55,-0.05,0.7,-0.05,0.85,-0.05,1.0,-0.05,1.15,-0.05,1.3,-0.05,1.45,0.1,-0.5,0.1,-0.35,0.1,-0.2,0.1,-0.05,0.1,0.1,0.1,0.25,0.1,0.4,0.1,0.55,0.1,0.7,0.1,0.85,0.1,1.0,0.1,1.15,0.1,1.3,0.1,1.45,0.25,-0.5,0.25,-0.35,0.25,-0.2,0.25,-0.05,0.25,0.1,0.25,0.25,0.25,0.4,0.25,0.55,0.25,0.7,0.25,0.85,0.25,1.0,0.25,1.15,0.25,1.3,0.25,1.45,0.4,-0.5,0.4,-0.35,0.4,-0.2,0.4,-0.05,0.4,0.1,0.4,0.25,0.4,0.4,0.4,0.55,0.4,0.7,0.4,0.85,0.4,1.0,0.4,1.15,0.4,1.3,0.4,1.45,0.55,-0.5,0.55,-0.35,0.55,-0.2,0.55,-0.05,0.55,0.1,0.55,0.25,0.55,0.4,0.55,0.55,0.55,0.7,0.55,0.85,0.55,1.0,0.55,1.15,0.55,1.3,0.55,1.45,0.7,-0.5,0.7,-0.35,0.7,-0.2,0.7,-0.05,0.7,0.1,0.7,0.25,0.7,0.4,0.7,0.55,0.7,0.7,0.7,0.85,0.7,1.0,0.7,1.15,0.7,1.3,0.7,1.45,0.85,-0.5,0.85,-0.35,0.85,-0.2,0.85,-0.05,0.85,0.1,0.85,0.25,0.85,0.4,0.85,0.55,0.85,0.7,0.85,0.85,0.85,1.0,0.85,1.15,0.85,1.3,0.85,1.45,1.0,-0.5,1.0,-0.35,1.0,-0.2,1.0,-0.05,1.0,0.1,1.0,0.25,1.0,0.4,1.0,0.55,1.0,0.7,1.0,0.85,1.0,1.0,1.0,1.15,1.0,1.3,1.0,1.45,1.15,-0.5,1.15,-0.35,1.15,-0.2,1.15,-0.05,1.15,0.1,1.15,0.25,1.15,0.4,1.15,0.55,1.15,0.7,1.15,0.85,1.15,1.0,1.15,1.15,1.15,1.3,1.15,1.45,1.3,-0.5,1.3,-0.35,1.3,-0.2,1.3,-0.05,1.3,0.1,1.3,0.25,1.3,0.4,1.3,0.55,1.3,0.7,1.3,0.85,1.3,1.0,1.3,1.15,1.3,1.3,1.3,1.45,1.45,-0.5,1.45,-0.35,1.45,-0.2,1.45,-0.05,1.45,0.1,1.45,0.25,1.45,0.4,1.45,0.55,1.45,0.7,1.45,0.85,1.45,1.0,1.45,1.15,1.45,1.3,1.45,1.45],196,2)
+        targetFieldValsExpected=DataArrayDouble([1.645976003316459, 1.454458180060204, 1.286087532859835, 1.147305389930914, 1.040143042030752, 0.9592075185603157, 0.8932542207607532, 0.8296417057622609, 0.7572539678257579, 0.6669048311361028, 0.551329882743212, 0.4064445075734602, 0.2323703965460786, 0.03253142054561309, 1.615321686989539, 1.414941300553572, 1.238383118538708, 1.096701655702075, 0.9955792747382535, 0.9271194507282707, 0.8741000712825546, 0.8201879508155141, 0.7537335933761495, 0.6656210809234322, 0.5470285414729397, 0.3927301586610237, 0.2044036897887453, -0.01181672742825013, 1.609602552867195, 1.400625195269133, 1.213287847440801, 1.065318574929208, 0.9717609562002842, 0.9182626517777217, 0.8760698972315855, 0.8258196104516153, 0.7586487405165288, 0.6686168424854784, 0.5434121624038266, 0.3741815029337978, 0.1661376046619205, -0.0704038088420833, 1.635421686625182, 1.422642113482769, 1.225977424080963, 1.066864693789366, 0.9864801043792362, 0.9486639217909161, 0.9075176697327381, 0.8471248730261529, 0.7660983406349626, 0.6675300501188994, 0.5320013361909732, 0.3404583135353376, 0.1074346390951333, -0.1520751802856468, 1.695346918429566, 1.489526279573347, 1.297678617961701, 1.139921240332637, 1.080508463804929, 1.036847769764088, 0.9687840669352359, 0.8790397822170175, 0.76938768351059, 0.6441978169925557, 0.4915328571013788, 0.2742929463574293, 0.0148214290833748, -0.2671755287427691, 1.782761788232491, 1.59423004798623, 1.422317125787222, 1.286999529473285, 1.20500638941831, 1.127058114031519, 1.022332539190471, 0.8945753999401338, 0.7469190939381181, 0.582396906110898, 0.4015920181411496, 0.1584700483835366, -0.1251860255418387, -0.4254052799545267, 1.881794862747652, 1.712890309994015, 1.557517508390291, 1.422727414977963, 1.308048056353061, 1.187569766723152, 1.03942150436647, 0.8677583087532357, 0.6766652050643343, 0.4703897480238999, 0.2497994532908829, -0.02005989176786582, -0.3224387891441491, -0.6331519303649853, 1.973114284621266, 1.820187301531605, 1.673403730111759, 1.528504440482262, 1.379693463484634, 1.207642134784147, 1.008217764780293, 0.7863328498822348, 0.5465383049529959, 0.2944879513187435, 0.03250657765404452, -0.2670900851421072, -0.5806516907976924, -0.8911331026431459, 2.038729888975378, 1.895652364645637, 1.751759791756183, 1.594035761810714, 1.403016809171641, 1.171403152610878, 0.913267035125007, 0.6343281031932027, 0.3434843176189371, 0.04195410032095204, -0.2645533663891493, -0.58577400250975, -0.8958218846257981, -1.192230697656513, 2.064018033720731, 1.922048791644444, 1.773847180028208, 1.600340336378483, 1.361620036333164, 1.060873411411508, 0.7373484802125152, 0.3868966266761109, 0.04316272760227413, -0.3009370030949727, -0.6505233805563486, -0.9669887470696283, -1.250005719852354, -1.519122595631787, 2.039938287785342, 1.887400820799651, 1.722008733683987, 1.523879290022419, 1.23834392230135, 0.8606985727866472, 0.4844892131548788, 0.08077959236877175, -0.3195742594962179, -0.726291368696764, -1.094357645641832, -1.359078900303776, -1.604725656501341, -1.845297168323687, 1.965762248218393, 1.791665198563286, 1.595056719739704, 1.353692777435502, 1.033006623003495, 0.6416349531117889, 0.2290046916364761, -0.1993180965088852, -0.6311618804827295, -1.051489875129883, -1.409404344854132, -1.681249363331096, -1.917859637689007, -2.145034400762945, 1.849053542205925, 1.648479366622312, 1.418493963148431, 1.141939527533839, 0.8042385795619003, 0.4127534639189761, -0.008572116677791453, -0.4428317297963555, -0.8745477268718713, -1.281769237471681, -1.635421857742795, -1.926210204560556, -2.175577364628722, -2.405762639746138, 1.701519686999922, 1.475879908746998, 1.219065416294153, 0.9203732349759972, 0.5740137315474942, 0.1856460506119944, -0.2298288912529738, -0.6558565521653752, -1.075391078040103, -1.469402631469075, -1.820558929095151, -2.123592211415966, -2.388177455227765, -2.628832075944413])
+        coeffsExpected=DataArrayDouble([0.3953237723894342,-0.17220705170185724,0.620727139132215,-0.01938292763088709,-0.007524685306185282,0.0016277944443884584,-0.0005209587893117361,-1.8992696595839718,-0.13154330748345855,0.11248800965389728,-0.47310750305033406,0.03685741122098605,0.21362468750754374,0.8082608687799991,-0.6775548200221704,-0.027683208482275873,-0.007806877014495724,-0.013539239795959668,0.3478535665778018,0.005145793726360813,0.03708618549628136,-0.18235332489209385,-0.04517273339177797,-0.081755114492025,0.12791746560435255,0.09659355695676189,-0.024809653129318366,0.08327587452569823,-1.790380673650165,-0.10622983512164165,0.14989029282340274,0.05949513762355707,0.004548072841131278,0.011252095917834793,-0.004848057194721367,-0.2658537133108412,0.016651579133606154,-0.021640915366981317,0.008975511042160175,-0.021052213988815974,-0.09347841701844657,0.03533229488135717,-0.014556185287109863,-0.27228591670520086,0.002989987191209683,-0.5489428537951813,-0.02134456783001304,-0.22462281620064825,0.005230853443767429,-0.1894678262257301,0.0033140729457334884,5.295483062326795,-0.2724500716060311,0.026433905662192683,0.01368706308878908,-0.03014264855048227,0.053679001877659956,0.08109477254132096,-0.005004603067203444,0.016907143132293558,0.2105509502082437,0.003657404455024417,-4.904755847017426,0.01634808163992959,-0.008325515865305198,0.062188432751569676,-0.013114633511406406,0.11020519384963083,-0.008599402366091309,-0.012125149710784723,0.31723729052927313,-0.10298398036815914,-0.07250078775612204,0.39976713701763433,0.45897498107347223,0.01018626210400031,0.20163425809089347,0.19729093298588943,0.42863333455911523,0.015595097081693168,0.06060353651437489,-0.16379444813161725,-0.43290344196574165,-0.5931022701412187,1.1906610004748832,0.44418106894148945,0.06536220001548931,0.010261694323554562,-0.05943099382075491,-0.04939614579484797,0.002234505477641322,-0.011262130967449935,0.09644905007708474,-0.029518792883267808,0.41564004027396634,-0.18459770295961597,0.3100981306103734,-0.2509873737065425,0.5434321443668653,0.3009912967350914,1.9560655796099518,-0.7143435150084513,-1.5123449469879784])
+        #
+        nbOfInputPoints=100;
+        f=MEDCouplingFieldDouble.New(ON_NODES_KR,ONE_TIME);
+        mesh=MEDCoupling1SGTUMesh.New("aMesh",NORM_POINT1);
+        mesh.setCoords(srcPointCoordsXY);
+        f.setMesh(mesh);
+        f.setArray(srcFieldValsOnPoints);
+        f.checkCoherency();
+        #
+        res0=f.getValueOn([-0.5,-0.5]);
+        self.assertAlmostEqual(targetFieldValsExpected.getIJ(0,0),res0[0],10)
+        #
+        valuesToTest=f.getValueOnMulti(targetPointCoordsXY);
+        self.assertEqual(196,valuesToTest.getNumberOfTuples());
+        self.assertEqual(1,valuesToTest.getNumberOfComponents());
+        for i in xrange(40):
+            self.assertAlmostEqual(targetFieldValsExpected[i],valuesToTest.getIJ(i,0),10)
+            pass
+        fd=f.getDiscretization()
+        del f
+        self.assertTrue(isinstance(fd,MEDCouplingFieldDiscretizationKriging))
+        coeffs,isDrift=fd.computeVectorOfCoefficients(mesh,srcFieldValsOnPoints)
+        self.assertEqual(3,isDrift)
+        self.assertTrue(coeffsExpected.isEqual(coeffs,1e-8))
+        # testing matrix
+        pts3=[-0.5,-0.5,-0.5,-0.35,-0.35,-0.2]
+        mesh.setCoords(srcPointCoordsXY[:4])
+        m,nbCols=fd.computeEvaluationMatrixOnGivenPts(mesh,pts3)
+        self.assertTrue(m.isEqual(DataArrayDouble([0.05768877688524917,-4.438982030395039,1.9495386255911573,3.431754627918642,0.11803848510231275,-4.138339658420563,1.6630742187104417,3.357226954607818,0.14630203028580618,-3.5156045565871734,1.414680070737206,2.954622455564169]),1e-12))
+        if MEDCouplingHasNumPyBindings():
+            import numpy as np
+            m0=m.toNumPyArray() ; m0=m0.reshape(3,nbCols) ; m0=np.matrix(m0)
+            srcFieldValsOnPoints2=DataArrayDouble(4,2) ; srcFieldValsOnPoints2[:,0]=srcFieldValsOnPoints[:4] ; srcFieldValsOnPoints2[:,1]=2*srcFieldValsOnPoints[:4]
+            n0=srcFieldValsOnPoints2.toNumPyArray() ; n0=n0.reshape(4,2) ; n0=np.matrix(n0)
+            #
+            f=MEDCouplingFieldDouble.New(ON_NODES_KR,ONE_TIME) ;  f.setMesh(mesh) ; f.setArray(srcFieldValsOnPoints2) ; f.checkCoherency()
+            self.assertTrue(DataArrayDouble(np.array((m0*n0))).isEqual(f.getValueOnMulti(pts3),1e-14))
+            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 testSwig2BuildSpreadZonesWithPolyOnQPolyg1(self):
+        nx=6
+        ny=6
+        m=MEDCouplingCMesh()
+        arr1=DataArrayDouble(nx) ; arr1.iota()
+        arr2=DataArrayDouble(ny) ; arr2.iota()
+        m.setCoords(arr1,arr2)
+        m=m.buildUnstructured()
+        da=DataArrayInt.Range(nx-1,(nx-1)*(ny-1),nx)
+        m2=m[da] ; m2.simplexize(0)
+        dan=da.buildComplement(m.getNumberOfCells())
+        m1=m[dan]
+        m=MEDCouplingUMesh.MergeUMeshesOnSameCoords(m1,m2)
+        #
+        m.convertLinearCellsToQuadratic()
+        m1=m[::2] ; m2=m[1::2] ; m2.convertAllToPoly()
+        m=MEDCouplingUMesh.MergeUMeshesOnSameCoords(m1,m2)
+        p=m.buildSpreadZonesWithPoly()
+        self.assertTrue(p.getNodalConnectivity().isEqual(DataArrayInt([32,1,0,6,12,18,24,30,31,32,33,34,35,29,23,17,11,5,4,3,2,36,37,94,62,72,83,84,86,89,99,92,93,82,71,60,51,49,46,43,40])))
+        self.assertTrue(p.getNodalConnectivityIndex().isEqual(DataArrayInt([0,41])))
+        self.assertTrue(p.getCoords().isEqual(DataArrayDouble([0.,0.,1.,0.,2.,0.,3.,0.,4.,0.,5.,0.,0.,1.,1.,1.,2.,1.,3.,1.,4.,1.,5.,1.,0.,2.,1.,2.,2.,2.,3.,2.,4.,2.,5.,2.,0.,3.,1.,3.,2.,3.,3.,3.,4.,3.,5.,3.,0.,4.,1.,4.,2.,4.,3.,4.,4.,4.,5.,4.,0.,5.,1.,5.,2.,5.,3.,5.,4.,5.,5.,5.,0.5,0.,0.,0.5,0.5,1.,1.,0.5,1.5,0.,1.5,1.,2.,0.5,2.5,0.,2.5,1.,3.,0.5,3.5,0.,3.5,1.,4.,0.5,4.5,0.,4.5,1.,5.,0.5,1.,1.5,1.5,2.,2.,1.5,2.5,2.,3.,1.5,3.5,2.,4.,1.5,4.5,2.,5.,1.5,0.5,2.,0.,2.5,0.5,3.,1.,2.5,2.,2.5,2.5,3.,3.,2.5,3.5,3.,4.,2.5,4.5,3.,5.,2.5,0.,3.5,0.5,4.,1.,3.5,1.5,3.,1.5,4.,2.,3.5,3.,3.5,3.5,4.,4.,3.5,4.5,4.,5.,3.5,0.,4.5,0.5,5.,1.,4.5,1.5,5.,2.,4.5,2.5,4.,2.5,5.,3.,4.5,4.,4.5,4.5,5.,5.,4.5,0.,1.5,0.5,1.5,1.5,2.5,2.5,3.5,3.5,4.5,3.5,5.0],100,2),1e-13))
+        pass
+
+    def testSwig2Conformize2D1(self):
+        eps = 1.0e-8
+        coo = [0.,-0.5,0.,0.,0.5,0.,0.5,-0.5,0.25,
+               -0.1,0.25,0.,0.5,-0.1,0.,0.5,0.5,0.5,0.25,0.4,0.25,0.5,0.5,0.4]
+        conn = [5,5,2,6,4,5,6,3,0,1,5,4,5,10,8,11,9,5,11,2,1,7,10,9]
+        connI = [0,5,12,17,24]
+        m = MEDCouplingUMesh("box",2)
+        cooArr = DataArrayDouble(coo,len(coo)/2,2)
+        m.setCoords(cooArr)
+        m.setConnectivity(DataArrayInt(conn),DataArrayInt(connI))
+        m.mergeNodes(eps)
+        m.checkCoherency()
+        self.assertTrue(m.conformize2D(eps).isEqual(DataArrayInt([3])))
+        self.assertEqual(m.getCoords().getHiddenCppPointer(),cooArr.getHiddenCppPointer()) # check that coordinates remain the same here
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([5,5,2,6,4,5,6,3,0,1,5,4,5,10,8,11,9,5,11,2,5,1,7,10,9])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,5,12,17,25])))
+        pass
+
+    def testSwig2Conformize2D2(self):
+        eps = 1.0e-8
+        coo=DataArrayDouble([-10,-6,0,-6,0,0,7,0,-10,2,0,2,0,6,7,6,0,8,7,8,-10,12,-4,12,0,12,0,11,7,11,-4,16,0,16,7,16],18,2)
+        conn=DataArrayInt([2,3,7,6, 13,16,17,14, 4,10,12,5, 9,14,13,8, 8,9,7,6, 5,4,0,1, 16,12,11,15])
+        m=MEDCoupling1SGTUMesh("mesh",NORM_QUAD4)
+        m.setCoords(coo)
+        m.setNodalConnectivity(conn)
+        m=m.buildUnstructured()
+        self.assertTrue(m.conformize2D(eps).isEqual(DataArrayInt([0,1,2,5])))
+        self.assertEqual(m.getCoords().getHiddenCppPointer(),coo.getHiddenCppPointer()) # check that coordinates remain the same here
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([5,2,3,7,6,5, 5,13,12,16,17,14, 5,4,10,11,12,13,8,6,5, 4,9,14,13,8, 4,8,9,7,6, 5,5,4,0,1,2, 4,16,12,11,15])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,6,12,21,26,31,37,42])))
+        pass
+
+    def testSwigSplit2DCells1(self):
+        coo=DataArrayDouble([[0,0],[1,0],[1,1],[0,1],[0.5,0],[1,0.5],[0.5,1],[0.,0.5]])
+        m=MEDCouplingUMesh("mesh",2)
+        m.setCoords(coo)
+        m.allocateCells()
+        m.insertNextCell(NORM_QUAD8,[0,1,2,3,4,5,6,7])
+        _,d,di,_,_=m.buildDescendingConnectivity()
+        subb=DataArrayInt([5])
+        subbi=DataArrayInt([0,0,1,1,1])
+        mid=DataArrayInt([-1,-1])
+        midi=DataArrayInt([0,0,2,2,2])
+        self.assertEqual(2,m.split2DCells(d,di,subb,subbi,mid,midi))
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([32,0,1,5,2,3,4,8,9,6,7])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,11])))
+        self.assertTrue(m.getCoords().isEqual(DataArrayDouble([[0,0],[1,0],[1,1],[0,1],[0.5,0],[1,0.5],[0.5,1],[0.,0.5],[1.,0.25],[1.,0.75]]),1e-12))
+        pass
+
+    def testSwig2Conformize2D3(self):
+        eps = 1.0e-8
+        coo=DataArrayDouble([-10,-6,0,-6,0,0,7,0,-10,2,0,2,0,6.5,7,6.5,0,8,7,8,-10,12,-4,12,0,12,0,11,7,11,-4,16,0,16,7,16],18,2)
+        conn=DataArrayInt([2,3,7,6, 13,16,17,14, 4,10,12,5, 9,14,13,8, 8,9,7,6, 5,4,0,1, 16,12,11,15])
+        m=MEDCoupling1SGTUMesh("mesh",NORM_QUAD4)
+        m.setCoords(coo)
+        m.setNodalConnectivity(conn)
+        m=m.buildUnstructured()
+        m.convertLinearCellsToQuadratic()
+        self.assertTrue(m.conformize2D(eps).isEqual(DataArrayInt([0,1,2,5])))
+        self.assertTrue(m.getCoords().getHiddenCppPointer()!=coo.getHiddenCppPointer()) # coordinates are not the same here contrary to testSwig2Conformize2D2 ...
+        self.assertTrue(m.getCoords()[:18].isEqual(coo,1e-12)) # but the 18 first nodes are the same
+        pass
+
+    def testSwig2Conformize2D4(self):
+        eps = 1.0e-8
+        coo=DataArrayDouble([-10,-6,0,-6,0,0,7,0,-10,2,0,2,0,6.5,7,6.5,0,8,7,8,-10,12,-4,12,0,12,0,11,7,11,-4,16,0,16,7,16],18,2)
+        conn=DataArrayInt([2,3,7,6, 13,16,17,14, 4,10,12,5, 9,14,13,8, 8,9,7,6, 5,4,0,1, 16,12,11,15])
+        m=MEDCoupling1SGTUMesh("mesh",NORM_QUAD4)
+        m.setCoords(coo)
+        m.setNodalConnectivity(conn)
+        m=m.buildUnstructured()
+        m.convertLinearCellsToQuadratic()
+        self.assertEqual(42,m.getNumberOfNodes())
+        oldCoo=m.getCoords().deepCpy()
+        m.conformize2D(eps)
+        self.assertTrue(m.getCoords()[:42].isEqual(oldCoo,1e-12))
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([32,2,3,7,6,5,18,19,20,42,43,32,13,12,16,17,14,44,38,23,24,25,32,4,10,11,12,13,8,6,5,26,45,39,44,31,34,42,29,8,9,14,13,8,30,25,31,32,8,8,9,7,6,32,33,20,34,32,5,4,0,1,2,29,35,36,46,43,8,16,12,11,15,38,39,40,41])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,11,22,39,48,57,68,77])))
+        self.assertTrue(m.getCoords().isEqual(DataArrayDouble([[-10.,-6.0],[0.,-6.0],[0.,0.0],[7.,0.0],[-10.,2.0],[0.,2.0],[0.,6.5],[7.,6.5],[0.,8.0],[7.,8.0],[-10.,12.0],[-4.,12.0],[0.,12.0],[0.,11.0],[7.,11.0],[-4.,16.0],[0.,16.0],[7.,16.0],[3.5, 0.0],[7.,3.25],[3.5, 6.5],[0.,3.25],[0.,13.5],[3.5, 16.0],[7.,13.5],[3.5, 11.0],[-10.,7.0],[-5.,12.0],[0.,7.0],[-5.,2.0],[7.,9.5],[0.,9.5],[3.5, 8.0],[7.,7.25],[0.,7.25],[-10.,-2.0],[-5.,-6.0],[0.,-2.0],[0.,14.0],[-2.,12.0],[-4.,14.0],[-2.,16.0],[0.,4.25],[0.,1.0],[0.,11.5],[-7.,12.0],[0.,-3.]]),1e-12))
+        pass
+
+    def testSwig2Conformize2D5(self):
+        eps=1e-8
+        coo=DataArrayDouble([[2,2],[2,-6],[10,-2],[-2,-2],[6,0],[6,-4],[2,7],[2,4.5],[-1.4641016151377544,0],[-1.950753362380551,-1.3742621398390762],[-7,-3],[-0.8284271247461898,-4.82842712474619],[0.26794919243112281,3.5],[0,1.4641016151377548],[-4.4753766811902755,-2.1871310699195381],[-3.9142135623730949,-3.9142135623730949],[-1.8042260651806146,-3.23606797749979]])
+        m=MEDCouplingUMesh("mesh",2)
+        m.allocateCells()
+        m.setCoords(coo)
+        m.insertNextCell(NORM_TRI6,[1,2,0,5,4,3])
+        m.insertNextCell(NORM_TRI6,[8,6,0,12,7,13])
+        m.insertNextCell(NORM_TRI6,[11,9,10,16,14,15])
+        self.assertTrue(m.conformize2D(eps).isEqual(DataArrayInt([0])))
+        self.assertTrue(m.getCoords().isEqual(DataArrayDouble([2.,2.,2.,-6.,10.,-2.,-2.,-2.,6.,0.,6.,-4.,2.,7.,2.,4.5,-1.4641016151377544,0.,-1.950753362380551,-1.3742621398390762,-7.,-3.,-0.8284271247461898,-4.82842712474619,0.2679491924311228,3.5,8.881784197001252e-16,1.4641016151377548,-4.4753766811902755,-2.187131069919538,-3.914213562373095,-3.914213562373095,-1.8042260651806146,-3.236067977499789,-1.7705659643687133,-0.6647725630649153,0.46926627053963865,-5.695518130045146],19,2),1e-12))
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([32,1,2,0,8,9,11,5,4,13,17,16,18,6,8,6,0,12,7,13,6,11,9,10,16,14,15])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,13,20,27])))
+        pass
+
     def setUp(self):
         pass
     pass
 
-unittest.main()
+if __name__ == '__main__':
+    unittest.main()