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Merge branch 'master' of ssh://git.salome-platform.org/modules/med
[tools/medcoupling.git] / src / MEDCoupling_Swig / MEDCouplingBasicsTest.py
index 0c2764cecc214d39b7ffd2f063b7eaa9aa1e862d..07152f4782f2cd3561d66aa18b4ab9d12015f6b7 100644 (file)
@@ -6020,13 +6020,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         else:
             self.assertTrue(False)
             pass
-        try:
-            da2=da[5:8,-2]
-        except InterpKernelException as e:
-            self.assertTrue(True)
-        else:
-            self.assertTrue(False)
-            pass
+        self.assertTrue(da[5:8,-2].isEqualWithoutConsideringStr(DataArrayInt([23,26,29])))
         da2=da[5:8,:-2]
         self.assertEqual([22, 25, 28],da2.getValues())
         try:
@@ -6075,13 +6069,7 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         else:
             self.assertTrue(False)
             pass
-        try:
-            da2=da[5:8,-2]
-        except InterpKernelException as e:
-            self.assertTrue(True)
-        else:
-            self.assertTrue(False)
-            pass
+        self.assertTrue(da[5:8,-2].isEqualWithoutConsideringStr(DataArrayDouble([23.,26.,29.]),1e-12))
         da2=da[5:8,:-2]
         self.assertEqual([22., 25., 28.],da2.getValues())
         try:
@@ -9583,13 +9571,13 @@ class MEDCouplingBasicsTest(unittest.TestCase):
     def testSwigGetItem3(self):
         da=DataArrayInt.New([4,5,6])
         self.assertEqual(5,da[1])
-        self.assertRaises(InterpKernelException,da.__getitem__,-1)
+        self.assertEqual(6,da[-1])
         self.assertRaises(InterpKernelException,da.__getitem__,3)
         da=DataArrayInt.New([4,5,6,7,8,9],2,3)
         self.assertEqual(9,da[1,2])
         da=DataArrayDouble.New([4.1,5.2,6.3])
         self.assertAlmostEqual(5.2,da[1],12)
-        self.assertRaises(InterpKernelException,da.__getitem__,-1)
+        self.assertAlmostEqual(6.3,da[-1],12)
         self.assertRaises(InterpKernelException,da.__getitem__,3)
         da=DataArrayDouble.New([4.12,5.12,6.12,7.12,8.12,9.12],2,3)
         self.assertAlmostEqual(9.12,da[1,2],12)
@@ -14260,6 +14248,355 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         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 testSwigExtendedSlice1(self):
+        d=DataArrayInt([5,6,7])
+        self.assertTrue(d[2:].isEqual(DataArrayInt([7])))
+        self.assertTrue(d[3:].isEqual(DataArrayInt([])))
+        try:
+            d[4:]
+        except InterpKernelException as e:
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
+            pass
+        d=DataArrayInt([5,6,7,8])
+        self.assertEqual(d[-1],8)
+        self.assertEqual(d[-4],5)
+        try:
+            d[-5]
+        except InterpKernelException as e:
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
+            pass
+        self.assertTrue(d[2::-1].isEqual(DataArrayInt([7,6,5])))
+        self.assertTrue(d[0::-1].isEqual(DataArrayInt([5])))
+        self.assertTrue(d[-1::-1].isEqual(DataArrayInt([8,7,6,5])))
+        self.assertTrue(d[-3::-1].isEqual(DataArrayInt([6,5])))
+        self.assertTrue(d[-5::-1].isEqual(DataArrayInt([])))
+        try:
+            d[-6::-1]
+        except InterpKernelException as e:
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
+            pass
+        d=DataArrayInt([])
+        self.assertTrue(d[0:].isEqual(DataArrayInt([])))
+        #
+        d=DataArrayDouble([5,6,7])
+        self.assertTrue(d[2:].isEqual(DataArrayDouble([7]),1e-12))
+        self.assertTrue(d[3:].isEqual(DataArrayDouble([]),1e-12))
+        try:
+            d[4:]
+        except InterpKernelException as e:
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
+            pass
+        d=DataArrayDouble([5,6,7,8])
+        self.assertAlmostEqual(d[-1],8.,12)
+        self.assertAlmostEqual(d[-4],5.,12)
+        try:
+            d[-5]
+        except InterpKernelException as e:
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
+            pass
+        self.assertTrue(d[2::-1].isEqual(DataArrayDouble([7,6,5]),1e-12))
+        self.assertTrue(d[0::-1].isEqual(DataArrayDouble([5]),1e-12))
+        self.assertTrue(d[-1::-1].isEqual(DataArrayDouble([8,7,6,5]),1e-12))
+        self.assertTrue(d[-3::-1].isEqual(DataArrayDouble([6,5]),1e-12))
+        self.assertTrue(d[-5::-1].isEqual(DataArrayDouble([]),1e-12))
+        try:
+            d[-6::-1]
+        except InterpKernelException as e:
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
+            pass
+        d=DataArrayDouble([])
+        self.assertTrue(d[0:].isEqual(DataArrayDouble([]),1e-12))
+        pass
+
+    def testSwig2Hexa27GP1(self):
+        """ This test focused on shape functions of hexa27.
+        """
+        coo=DataArrayDouble([[0.,2.,2.],[0.,0.,2.],[2.,0.,2.],[2.,2.,2.],[0.,2.,0.],[0.,0.,0.],[2.,0.,0.],[2.,2.,0.], [0.,1.,2.],[1.,0.,2.],[2.,1.,2.],[1.,2.,2.], [0.,1.,0.],[1.,0.,0.],[2.,1.,0.],[1.,2.,0.], [0.,2.,1.],[0.,0.,1.],[2.,0.,1.],[2.,2.,1.], [1.,1.,2.], [0.,1.,1.],[1.,0.,1.],[2.,1.,1.],[1.,2.,1.], [1.,1.,0.], [1.,1.,1.]])
+        m=MEDCouplingUMesh("mesh",3) ; m.setCoords(coo)
+        m.allocateCells()
+        # the cell description is exactly those described in the description of HEXA27 in MED file 3.0.7 documentation
+        m.insertNextCell(NORM_HEXA27,[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26])
+        refCoo=[-1.,-1.,-1.,-1.,1.,-1.,1.,1.,-1.,1.,-1.,-1.,-1.,-1.,1.,-1.,1.,1.,1.,1.,1.,1.,-1.,1.,-1.,0.,-1.,0.,1.,-1.,1.,0.,-1.,0.,-1.,-1.,-1.,0.,1.,0.,1.,1.,1.,0.,1.,0.,-1.,1.,-1.,-1.,0.,-1.,1.,0.,1.,1.,0.,1.,-1.,0.,0.,0.,-1.,-1.,0.,0.,0.,1.,0.,1.,0.,0.,0.,-1.,0.,0.,0.,1.,0.,0.,0.]
+        weights=[0.1714677640603571,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.43895747599451346,0.7023319615912209,0.43895747599451346,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.43895747599451346,0.27434842249657115,0.1714677640603571,0.27434842249657115,0.1714677640603571]
+        gCoords=[-0.774596669241483,-0.774596669241483,-0.774596669241483,-0.774596669241483,-0.774596669241483,0.0,-0.774596669241483,-0.774596669241483,0.774596669241483,-0.774596669241483,0.0,-0.774596669241483,-0.774596669241483,0.0,0.0,-0.774596669241483,0.0,0.774596669241483,-0.774596669241483,0.774596669241483,-0.774596669241483,-0.774596669241483,0.774596669241483,0.0,-0.774596669241483,0.774596669241483,0.774596669241483,0.0,-0.774596669241483,-0.774596669241483,0.0,-0.774596669241483,0.0,0.0,-0.774596669241483,0.774596669241483,0.0,0.0,-0.774596669241483,0.0,0.0,0.0,0.0,0.0,0.774596669241483,0.0,0.774596669241483,-0.774596669241483,0.0,0.774596669241483,0.0,0.0,0.774596669241483,0.774596669241483,0.774596669241483,-0.774596669241483,-0.774596669241483,0.774596669241483,-0.774596669241483,0.0,0.774596669241483,-0.774596669241483,0.774596669241483,0.774596669241483,0.0,-0.774596669241483,0.774596669241483,0.0,0.0,0.774596669241483,0.0,0.774596669241483,0.774596669241483,0.774596669241483,-0.774596669241483,0.774596669241483,0.774596669241483,0.0,0.774596669241483,0.774596669241483,0.774596669241483]
+        fGauss=MEDCouplingFieldDouble(ON_GAUSS_PT) ; fGauss.setName("fGauss")
+        fGauss.setMesh(m)
+        fGauss.setGaussLocalizationOnType(NORM_HEXA27,refCoo,gCoords,weights)
+        arr=DataArrayDouble(fGauss.getNumberOfTuplesExpected()) ; arr.iota()
+        fGauss.setArray(arr)
+        arrOfDisc=fGauss.getLocalizationOfDiscr()
+        # the test is here
+        self.assertTrue(arrOfDisc.isEqual(DataArrayDouble([0.2254033307585172,1.7745966692414836,1.7745966692414834,0.22540333075851715,1.7745966692414834,1.,0.22540333075851715,1.7745966692414836,0.22540333075851715,0.22540333075851715,1.,1.7745966692414834,0.2254033307585171,1.,1.,0.22540333075851715,1.0000000000000002,0.2254033307585171,0.22540333075851715,0.22540333075851715,1.7745966692414838,0.22540333075851715,0.22540333075851715,1.,0.22540333075851715,0.22540333075851715,0.22540333075851715,1.,1.7745966692414832,1.7745966692414834,1.,1.774596669241483,1.,1.0000000000000002,1.7745966692414832,0.22540333075851712,1.,1.,1.774596669241483,1.,1.,1.,1.,1.,0.2254033307585171,1.,0.22540333075851715,1.7745966692414834,1.,0.2254033307585171,1.,1.0000000000000002,0.22540333075851715,0.2254033307585171,1.7745966692414834,1.7745966692414834,1.7745966692414836,1.7745966692414832,1.7745966692414834,1.0000000000000002,1.7745966692414834,1.7745966692414836,0.22540333075851712,1.7745966692414832,1.,1.7745966692414834,1.774596669241483,1.,1.,1.7745966692414832,1.0000000000000002,0.22540333075851712,1.7745966692414836,0.22540333075851715,1.7745966692414836,1.7745966692414832,0.22540333075851715,1.,1.7745966692414836,0.22540333075851715,0.22540333075851715],27,3),1e-12))
+        #
+        weights=27*[1]
+        gCoords=refCoo
+        fGauss.setGaussLocalizationOnType(NORM_HEXA27,refCoo,gCoords,weights)
+        arrOfDisc2=fGauss.getLocalizationOfDiscr()
+        self.assertTrue(arrOfDisc2.isEqual(coo,1e-12))
+        pass
+
+    def testSwig2Pyra13GP1(self):
+        coo=DataArrayDouble([[0.,2.,0.],[2.,2.,0.],[2.,0.,0.],[0.,0.,0.],[1.,1.,2.],[1.,2.,0.],[2.,1.,0.],[1.,0.,0.],[0.,1.,0.],[0.5,1.5,1.],[1.5,1.5,1.],[1.5,0.5,1.],[0.5,0.5,1.]])
+        m=MEDCouplingUMesh("mesh",3) ; m.setCoords(coo)
+        m.allocateCells()
+        # the cell description is exactly those described in the description of PYRA13 in MED file 3.0.7 documentation
+        m.insertNextCell(NORM_PYRA13,[0,1,2,3,4,5,6,7,8,9,10,11,12])
+        refCoords=[1.,0.,0.,0.,-1.,0.,-1.,0.,0.,0.,1.,0.,0.,0.,1.,0.5,-0.5,0.,-0.5,-0.5,0.,-0.5,0.5,0.,0.5,0.5,0.,0.5,0.,0.5,0.,-0.5,0.5,-0.5,0.,0.5,0.,0.5,0.5]
+        gaussCoords=[0.,0.,0.5,0.21210450275,0.21210450275,0.5,-0.21210450275,0.21210450275,0.5,-0.21210450275,-0.21210450275,0.5,0.21210450275,-0.21210450275,0.5,0.,0.,0.07579099449999999,0.,0.,0.9242090055000001,0.5394929090572634,0.,0.17359176399999998,0.,0.5394929090572634,0.17359176399999998,-0.5394929090572634,0.,0.17359176399999998,0.,-0.5394929090572634,0.17359176399999998,0.1133235629427366,0.,0.826408236,0.,0.1133235629427366,0.826408236,-0.1133235629427366,0.,0.826408236,0.,-0.1133235629427366,0.826408236,0.5826406005183961,0.5826406005183961,-0.053206449499999975,-0.5826406005183961,0.5826406005183961,-0.053206449499999975,-0.5826406005183961,-0.5826406005183961,-0.053206449499999975,0.5826406005183961,-0.5826406005183961,-0.053206449499999975,0.5532064495,0.,0.5,0.,0.5532064495,0.5,-0.5532064495,0.,0.5,0.,-0.5532064495,0.5,-0.029434151018396033,-0.029434151018396033,1.0532064495,0.029434151018396033,-0.029434151018396033,1.0532064495,0.029434151018396033,0.029434151018396033,1.0532064495,-0.029434151018396033,0.029434151018396033,1.0532064495]
+        weights=[0.0492545926875,0.031210562625,0.031210562625,0.031210562625,0.031210562625,0.10663554205740113,0.0007171281994273535,0.0816994048010844,0.0816994048010844,0.0816994048010844,0.0816994048010844,0.0036048554264914074,0.0036048554264914074,0.0036048554264914074,0.0036048554264914074,0.008958181586640837,0.008958181586640837,0.008958181586640837,0.008958181586640837,0.002018983875,0.002018983875,0.002018983875,0.002018983875,2.286237794882217e-05,2.286237794882217e-05,2.286237794882217e-05,2.286237794882217e-05]
+        fGauss=MEDCouplingFieldDouble(ON_GAUSS_PT) ; fGauss.setName("fGauss")
+        fGauss.setMesh(m)
+        fGauss.setGaussLocalizationOnType(NORM_PYRA13,refCoords,gaussCoords,weights)
+        arr=DataArrayDouble(fGauss.getNumberOfTuplesExpected()) ; arr.iota()
+        fGauss.setArray(arr)
+        arrOfDisc=fGauss.getLocalizationOfDiscr()
+        # the test is here
+        self.assertTrue(arrOfDisc.isEqual(DataArrayDouble([1.,1.,1.,0.5757909945,1.,1.,1.,0.5757909945,1.,1.4242090055,1.,1.,1.,1.4242090055,1.,1.,1.,0.151581989,1.,1.,1.848418011,0.4605070909427367,1.5394929090572635,0.347183528,0.4605070909427367,0.4605070909427367,0.347183528,1.5394929090572638,0.4605070909427366,0.347183528,1.5394929090572635,1.5394929090572638,0.347183528,0.8866764370572636,1.1133235629427367,1.652816472,0.8866764370572636,0.8866764370572636,1.652816472,1.1133235629427367,0.8866764370572636,1.652816472,1.1133235629427365,1.1133235629427367,1.652816472,-0.16528120103679209,1.,-0.106412899,1.,-0.1652812010367921,-0.106412899,2.1652812010367914,1.,-0.106412899,1.,2.165281201036791,-0.106412899,0.4467935505,1.5532064495,1.,0.4467935505,0.4467935505,1.,1.5532064495,0.4467935505,1.,1.5532064495,1.5532064495,1.,1.0588683020367922,1.,2.106412899,1.,1.0588683020367922,2.106412899,0.9411316979632077,1.,2.106412899,1.,0.9411316979632078,2.106412899],27,3),1e-12))
+        #
+        weights=13*[1]
+        gaussCoords=refCoords[:] ; gaussCoords[14]=0.9999999999999 # change z of point #4 0.999... instead of 1. because with shape function it leads to division by 0. !
+        fGauss.setGaussLocalizationOnType(NORM_PYRA13,refCoords,gaussCoords,weights)
+        arrOfDisc2=fGauss.getLocalizationOfDiscr()
+        self.assertTrue(arrOfDisc2.isEqual(coo,1e-10)) # be less exigent 1e-10 instead of 1e-12 due to shape function sensitivity arount 0.,0.,1. !
+        pass
+
+    def testSwig2Tri7GP1(self):
+        coo=DataArrayDouble([[0,0],[0,2],[2,0],[0,1],[1,1],[1,0],[0.6666666666666667,0.6666666666666667]])
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo)
+        m.allocateCells()
+        # the cell description is exactly those described in the description of TRI7 in MED file 3.0.7 documentation
+        m.insertNextCell(NORM_TRI7,range(7))
+        refCoords=[0.,0.,1.,0.,0.,1.,0.5,0.,0.5,0.5,0.,0.5,0.3333333333333333,0.3333333333333333]
+        gaussCoords=[0.3333333333333333,0.3333333333333333,0.470142064105115,0.470142064105115,0.05971587178977,0.470142064105115,0.470142064105115,0.05971587178977,0.101286507323456,0.101286507323456,0.797426985353088,0.101286507323456,0.101286507323456,0.797426985353088]
+        weights=[0.062969590272413,0.062969590272413,0.062969590272413,0.066197076394253,0.066197076394253,0.066197076394253,0.1125]
+        fGauss=MEDCouplingFieldDouble(ON_GAUSS_PT) ; fGauss.setName("fGauss")
+        fGauss.setMesh(m)
+        fGauss.setGaussLocalizationOnType(NORM_TRI7,refCoords,gaussCoords,weights)
+        arr=DataArrayDouble(fGauss.getNumberOfTuplesExpected()) ; arr.iota()
+        fGauss.setArray(arr)
+        arrOfDisc=fGauss.getLocalizationOfDiscr()
+        self.assertTrue(arrOfDisc.isEqual(DataArrayDouble([0.666666666666667,0.666666666666667,0.9402841282102293,0.9402841282102293,0.9402841282102299,0.11943174357954002,0.11943174357953992,0.9402841282102299,0.20257301464691194,0.20257301464691196,0.20257301464691205,1.5948539707061757,1.5948539707061757,0.20257301464691202],7,2),1e-12))
+        #
+        weights=7*[1]
+        gaussCoords=refCoords
+        fGauss.setGaussLocalizationOnType(NORM_TRI7,refCoords,gaussCoords,weights)
+        arrOfDisc2=fGauss.getLocalizationOfDiscr()
+        self.assertTrue(arrOfDisc2.isEqual(coo,1e-12))
+        pass
+
+    def testSwig2StructuredDesc1(self):
+        c=MEDCouplingCMesh()
+        arr0=DataArrayDouble(3) ; arr0.iota()
+        arr1=DataArrayDouble(4) ; arr1.iota()
+        arr2=DataArrayDouble(5) ; arr2.iota()
+        c.setCoords(arr0,arr1,arr2)
+        #
+        self.assertEqual(98,c.getNumberOfCellsOfSubLevelMesh())
+        m=c.build1SGTSubLevelMesh()
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([0,12,15,3,12,24,27,15,24,36,39,27,36,48,51,39,3,15,18,6,15,27,30,18,27,39,42,30,39,51,54,42,6,18,21,9,18,30,33,21,30,42,45,33,42,54,57,45,1,13,16,4,13,25,28,16,25,37,40,28,37,49,52,40,4,16,19,7,16,28,31,19,28,40,43,31,40,52,55,43,7,19,22,10,19,31,34,22,31,43,46,34,43,55,58,46,2,14,17,5,14,26,29,17,26,38,41,29,38,50,53,41,5,17,20,8,17,29,32,20,29,41,44,32,41,53,56,44,8,20,23,11,20,32,35,23,32,44,47,35,44,56,59,47,0,12,13,1,12,24,25,13,24,36,37,25,36,48,49,37,1,13,14,2,13,25,26,14,25,37,38,26,37,49,50,38,3,15,16,4,15,27,28,16,27,39,40,28,39,51,52,40,4,16,17,5,16,28,29,17,28,40,41,29,40,52,53,41,6,18,19,7,18,30,31,19,30,42,43,31,42,54,55,43,7,19,20,8,19,31,32,20,31,43,44,32,43,55,56,44,9,21,22,10,21,33,34,22,33,45,46,34,45,57,58,46,10,22,23,11,22,34,35,23,34,46,47,35,46,58,59,47,0,1,4,3,3,4,7,6,6,7,10,9,1,2,5,4,4,5,8,7,7,8,11,10,12,13,16,15,15,16,19,18,18,19,22,21,13,14,17,16,16,17,20,19,19,20,23,22,24,25,28,27,27,28,31,30,30,31,34,33,25,26,29,28,28,29,32,31,31,32,35,34,36,37,40,39,39,40,43,42,42,43,46,45,37,38,41,40,40,41,44,43,43,44,47,46,48,49,52,51,51,52,55,54,54,55,58,57,49,50,53,52,52,53,56,55,55,56,59,58])))
+        self.assertEqual(NORM_QUAD4,m.getCellModelEnum())
+        #
+        self.assertTrue(MEDCouplingStructuredMesh.Build1GTNodalConnectivityOfSubLevelMesh([3,7]).isEqual(DataArrayInt([0,3,3,6,6,9,9,12,12,15,15,18,1,4,4,7,7,10,10,13,13,16,16,19,2,5,5,8,8,11,11,14,14,17,17,20,0,1,1,2,3,4,4,5,6,7,7,8,9,10,10,11,12,13,13,14,15,16,16,17,18,19,19,20])))
+        pass
+
+    def testSwig2Colinearize2D1(self):
+        coo=DataArrayDouble([-5.,0.,-1.,0.,4.,3.,7.,0.,1.,6.,1.,0.,-3.,0.,6.,1.,5.,0.,3.,0.],10,2)
+        #
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo) ; m.allocateCells()
+        m.insertNextCell(NORM_POLYGON,[5,9,8,3,7,2,4,0,6,1])
+        refPtr=m.getCoords().getHiddenCppPointer()
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([0])))
+        self.assertEqual(refPtr,m.getCoords().getHiddenCppPointer())
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([5,0,3,4])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,4])))
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([])))
+        self.assertEqual(refPtr,m.getCoords().getHiddenCppPointer())
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([5,0,3,4])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,4])))
+        #
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo) ; m.allocateCells()
+        m.insertNextCell(NORM_POLYGON,[8,3,7,2,4,0,6,1,5,9])
+        refPtr=m.getCoords().getHiddenCppPointer()
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([0])))
+        self.assertEqual(refPtr,m.getCoords().getHiddenCppPointer())
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([5,0,3,4])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,4])))
+        #
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo) ; m.allocateCells()
+        m.insertNextCell(NORM_POLYGON,[3,7,2,4,0,6,1,5,9,8])
+        refPtr=m.getCoords().getHiddenCppPointer()
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([0])))
+        self.assertEqual(refPtr,m.getCoords().getHiddenCppPointer())
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([5,3,4,0])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,4])))
+        #
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo) ; m.allocateCells()
+        m.insertNextCell(NORM_POLYGON,[4,0,6,1,5,9,8,3,7,2,])
+        refPtr=m.getCoords().getHiddenCppPointer()
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([0])))
+        self.assertEqual(refPtr,m.getCoords().getHiddenCppPointer())
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([5,4,0,3])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,4])))
+        ## false quadratic
+        coo2=DataArrayDouble([(-5,0),(-1,0),(4,3),(7,0),(1,6),(1,0),(-3,0),(6,1),(5,0),(3,0),(2,0),(4,0),(6,0),(6.5,0.5),(5,2),(2.5,4.5),(-2,3),(-4,0),(-2,0),(0,0)])
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo2) ; m.allocateCells()
+        m.insertNextCell(NORM_QPOLYG,[5,9,8,3,7,2,4,0,6,1,10,11,12,13,14,15,16,17,18,19])
+        refPtr=m.getCoords().getHiddenCppPointer()
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([0])))
+        self.assertNotEqual(refPtr,m.getCoords().getHiddenCppPointer())#not same coordinates here
+        refPtr=m.getCoords().getHiddenCppPointer()
+        self.assertTrue(coo2.isEqual(m.getCoords()[:20],1e-12))
+        self.assertTrue(m.getCoords()[20:].isEqual(DataArrayDouble([(1.,0.),(4.,3.)]),1e-12))
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([32,0,3,4,20,21,16])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,7])))
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([])))
+        self.assertEqual(refPtr,m.getCoords().getHiddenCppPointer())
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([32,0,3,4,20,21,16])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,7])))
+        # mix of quadratic and linear inside a QPOLYG cell
+        coo2=DataArrayDouble([(-5,0),(-1,0),(7.,6.),(7,0),(1,6),(1,0),(-3,0),(8.2426406871192839,3),(5,0),(3,0),  (2,0),(4,0),(6,0),(7.9196888946291288,1.3764116995614091),(7.9196888946291288,4.6235883004385911),(4,7.2426406871192848),(-2,3),(-4,0),(-2,0),(0,0)])
+        m=MEDCouplingUMesh("mesh",2) ; m.setCoords(coo2) ; m.allocateCells()
+        m.insertNextCell(NORM_QPOLYG,[5,9,8,3,7,2,4,0,6,1,10,11,12,13,14,15,16,17,18,19])
+        refPtr=m.getCoords().getHiddenCppPointer()
+        self.assertTrue(m.colinearize2D(1e-12).isEqual(DataArrayInt([0])))
+        self.assertNotEqual(refPtr,m.getCoords().getHiddenCppPointer())#not same coordinates here
+        self.assertTrue(coo2.isEqual(m.getCoords()[:20],1e-12))
+        self.assertTrue(m.getCoords()[20:].isEqual(DataArrayDouble([(1.,0.),(7.,6.)]),1e-12))
+        self.assertTrue(m.getNodalConnectivity().isEqual(DataArrayInt([32,0,3,4,20,21,16])))
+        self.assertTrue(m.getNodalConnectivityIndex().isEqual(DataArrayInt([0,7])))
+        pass
+
     def setUp(self):
         pass
     pass