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Bug fix: bounding box for quadratic elements spaceDim=2/meshDim=1 (i.e. SEG3)
authorAdrien Bruneton <adrien.bruneton@cea.fr>
Wed, 19 Feb 2014 14:15:47 +0000 (15:15 +0100)
committerAdrien Bruneton <adrien.bruneton@cea.fr>
Wed, 19 Feb 2014 14:48:37 +0000 (15:48 +0100)
was not properly computed. Was leading to spurious bugs in Intersect2DMeshes().

src/INTERP_KERNEL/Geometric2D/InterpKernelGeo2DQuadraticPolygon.cxx
src/INTERP_KERNEL/Geometric2D/InterpKernelGeo2DQuadraticPolygon.hxx
src/MEDCoupling/MEDCouplingUMesh.cxx
src/MEDCoupling/Test/MEDCouplingBasicsTest5.cxx
src/MEDCoupling/Test/MEDCouplingBasicsTest5.hxx
src/MEDCoupling_Swig/MEDCouplingBasicsTest.py
src/MEDCoupling_Swig/MEDCouplingDataForTest.py

index e4ecd62bcfb339bb1a5cb530f80921f7e6d4acfd..431ee8ad93e89862b115081ee6ddf34abf658809 100644 (file)
@@ -70,36 +70,41 @@ QuadraticPolygon::~QuadraticPolygon()
 {
 }
 
 {
 }
 
-QuadraticPolygon *QuadraticPolygon::BuildLinearPolygon(std::vector<Node *>& nodes)
+QuadraticPolygon *QuadraticPolygon::BuildLinearPolygon(std::vector<Node *>& nodes, bool isClosed)
 {
   QuadraticPolygon *ret=new QuadraticPolygon;
   std::size_t size=nodes.size();
 {
   QuadraticPolygon *ret=new QuadraticPolygon;
   std::size_t size=nodes.size();
-  for(std::size_t i=0;i<size;i++)
+  for(std::size_t i=0;i< (size - (isClosed?0:1));i++)
     {
       ret->pushBack(new EdgeLin(nodes[i],nodes[(i+1)%size]));
       nodes[i]->decrRef();
     }
     {
       ret->pushBack(new EdgeLin(nodes[i],nodes[(i+1)%size]));
       nodes[i]->decrRef();
     }
+  if(!isClosed)
+    nodes[size-1]->decrRef();
   return ret;
 }
 
   return ret;
 }
 
-QuadraticPolygon *QuadraticPolygon::BuildArcCirclePolygon(std::vector<Node *>& nodes)
+QuadraticPolygon *QuadraticPolygon::BuildArcCirclePolygon(std::vector<Node *>& nodes, bool isClosed)
 {
   QuadraticPolygon *ret=new QuadraticPolygon;
   std::size_t size=nodes.size();
 {
   QuadraticPolygon *ret=new QuadraticPolygon;
   std::size_t size=nodes.size();
-  for(std::size_t i=0;i<size/2;i++)
+  std::size_t quad_offset = isClosed ? (size/2) : (size/2+1);
+  for(std::size_t i = 0; i < size/2; i++)
     {
       EdgeLin *e1,*e2;
     {
       EdgeLin *e1,*e2;
-      e1=new EdgeLin(nodes[i],nodes[i+size/2]);
-      e2=new EdgeLin(nodes[i+size/2],nodes[(i+1)%(size/2)]);
+      e1=new EdgeLin(nodes[i],nodes[i+quad_offset]);
+      e2=new EdgeLin(nodes[i+quad_offset],nodes[(i+1)%quad_offset]);
       SegSegIntersector inters(*e1,*e2);
       bool colinearity=inters.areColinears();
       delete e1; delete e2;
       if(colinearity)
       SegSegIntersector inters(*e1,*e2);
       bool colinearity=inters.areColinears();
       delete e1; delete e2;
       if(colinearity)
-        ret->pushBack(new EdgeLin(nodes[i],nodes[(i+1)%(size/2)]));
+        ret->pushBack(new EdgeLin(nodes[i],nodes[(i+1)%quad_offset]));
       else
       else
-        ret->pushBack(new EdgeArcCircle(nodes[i],nodes[i+size/2],nodes[(i+1)%(size/2)]));
-      nodes[i]->decrRef(); nodes[i+size/2]->decrRef();
+        ret->pushBack(new EdgeArcCircle(nodes[i],nodes[i+quad_offset],nodes[(i+1)%quad_offset]));
+      nodes[i]->decrRef(); nodes[i+quad_offset]->decrRef();
     }
     }
+  if(!isClosed)
+    nodes[quad_offset-1]->decrRef();
   return ret;
 }
 
   return ret;
 }
 
index 4df9e861b511a14aaa93d5afd9f181a9a6fa7694..a8097a2566829fba2c80ce8dcc1a1b620afd76b5 100644 (file)
@@ -46,8 +46,8 @@ namespace INTERP_KERNEL
     INTERPKERNEL_EXPORT QuadraticPolygon() { }
     INTERPKERNEL_EXPORT QuadraticPolygon(const QuadraticPolygon& other):ComposedEdge(other) { }
     INTERPKERNEL_EXPORT QuadraticPolygon(const char *fileName);
     INTERPKERNEL_EXPORT QuadraticPolygon() { }
     INTERPKERNEL_EXPORT QuadraticPolygon(const QuadraticPolygon& other):ComposedEdge(other) { }
     INTERPKERNEL_EXPORT QuadraticPolygon(const char *fileName);
-    INTERPKERNEL_EXPORT static QuadraticPolygon *BuildLinearPolygon(std::vector<Node *>& nodes);
-    INTERPKERNEL_EXPORT static QuadraticPolygon *BuildArcCirclePolygon(std::vector<Node *>& nodes);
+    INTERPKERNEL_EXPORT static QuadraticPolygon *BuildLinearPolygon(std::vector<Node *>& nodes, bool isClosed=true);
+    INTERPKERNEL_EXPORT static QuadraticPolygon *BuildArcCirclePolygon(std::vector<Node *>& nodes, bool isClosed=true);
     INTERPKERNEL_EXPORT static void BuildDbgFile(const std::vector<Node *>& nodes, const char *fileName);
     INTERPKERNEL_EXPORT ~QuadraticPolygon();
     INTERPKERNEL_EXPORT void closeMe() const;
     INTERPKERNEL_EXPORT static void BuildDbgFile(const std::vector<Node *>& nodes, const char *fileName);
     INTERPKERNEL_EXPORT ~QuadraticPolygon();
     INTERPKERNEL_EXPORT void closeMe() const;
index 29d78628ea0310f3194bc542901cb27752c8b830..7f339ddeae33d9ecbdad116983e21ab47abe290f 100644 (file)
@@ -6272,7 +6272,7 @@ MEDCouplingFieldDouble *MEDCouplingUMesh::getSkewField() const
 DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTree(double arcDetEps) const
 {
   int mDim(getMeshDimension()),sDim(getSpaceDimension());
 DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTree(double arcDetEps) const
 {
   int mDim(getMeshDimension()),sDim(getSpaceDimension());
-  if(mDim!=2 || sDim!=2)
+  if(sDim!=2)  // Compute refined boundary box for quadratic elements only in 2D.
     return getBoundingBoxForBBTreeFast();
   else
     {
     return getBoundingBoxForBBTreeFast();
   else
     {
@@ -6339,8 +6339,10 @@ DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTreeFast() const
 }
 
 /*!
 }
 
 /*!
- * This method aggregate the bbox regarding foreach 2D cell in \a this the whole shape. So this method is particulary useful for 2D meshes having quadratic cells
- * because for this type of cells getBoundingBoxForBBTreeFast method may return invalid bounding boxes.
+ * This method aggregates the bbox of each 2D cell in \a this considering the whole shape. This method is particularly
+ * useful for 2D meshes having quadratic cells
+ * because for this type of cells getBoundingBoxForBBTreeFast method may return invalid bounding boxes (since it just considers
+ * the two extremities of the arc of circle).
  * 
  * \param [in] arcDetEps - a parameter specifying in case of 2D quadratic polygon cell the detection limit between linear and arc circle. (By default 1e-12)
  * \return DataArrayDouble * - newly created object (to be managed by the caller) \a this number of cells tuples and 2*spacedim components.
  * 
  * \param [in] arcDetEps - a parameter specifying in case of 2D quadratic polygon cell the detection limit between linear and arc circle. (By default 1e-12)
  * \return DataArrayDouble * - newly created object (to be managed by the caller) \a this number of cells tuples and 2*spacedim components.
@@ -6352,7 +6354,7 @@ DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTree2DQuadratic(double arc
 {
   checkFullyDefined();
   int spaceDim(getSpaceDimension()),mDim(getMeshDimension()),nbOfCells(getNumberOfCells()),nbOfNodes(getNumberOfNodes());
 {
   checkFullyDefined();
   int spaceDim(getSpaceDimension()),mDim(getMeshDimension()),nbOfCells(getNumberOfCells()),nbOfNodes(getNumberOfNodes());
-  if(mDim!=2 || spaceDim!=2)
+  if(spaceDim!=2)
     throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getBoundingBoxForBBTree2DQuadratic : This method should be applied on mesh with mesh dimension equal to 2 and space dimension also equal to 2!");
   MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New()); ret->alloc(nbOfCells,2*spaceDim);
   double *bbox(ret->getPointer());
     throw INTERP_KERNEL::Exception("MEDCouplingUMesh::getBoundingBoxForBBTree2DQuadratic : This method should be applied on mesh with mesh dimension equal to 2 and space dimension also equal to 2!");
   MEDCouplingAutoRefCountObjectPtr<DataArrayDouble> ret(DataArrayDouble::New()); ret->alloc(nbOfCells,2*spaceDim);
   double *bbox(ret->getPointer());
@@ -6371,9 +6373,9 @@ DataArrayDouble *MEDCouplingUMesh::getBoundingBoxForBBTree2DQuadratic(double arc
           nodes[j]=new INTERP_KERNEL::Node(coords[nodeId*2],coords[nodeId*2+1]);
         }
       if(!cm.isQuadratic())
           nodes[j]=new INTERP_KERNEL::Node(coords[nodeId*2],coords[nodeId*2+1]);
         }
       if(!cm.isQuadratic())
-        pol=INTERP_KERNEL::QuadraticPolygon::BuildLinearPolygon(nodes);
+        pol=INTERP_KERNEL::QuadraticPolygon::BuildLinearPolygon(nodes, mDim==2);
       else
       else
-        pol=INTERP_KERNEL::QuadraticPolygon::BuildArcCirclePolygon(nodes);
+        pol=INTERP_KERNEL::QuadraticPolygon::BuildArcCirclePolygon(nodes, mDim==2);
       INTERP_KERNEL::Bounds b; pol->fillBounds(b); delete pol;
       bbox[0]=b.getXMin(); bbox[1]=b.getXMax(); bbox[2]=b.getYMin(); bbox[3]=b.getYMax(); 
     }
       INTERP_KERNEL::Bounds b; pol->fillBounds(b); delete pol;
       bbox[0]=b.getXMin(); bbox[1]=b.getXMax(); bbox[2]=b.getYMin(); bbox[3]=b.getYMax(); 
     }
index fb039d01587a6b55799f8943a324c7d9c7c91ea1..34846350c6483eb2ffcd784e8cc20d6a622ece09 100644 (file)
@@ -1798,6 +1798,64 @@ void MEDCouplingBasicsTest5::testIntersect2DMeshesTmp6()
   d2->decrRef();
 }
 
   d2->decrRef();
 }
 
+void MEDCouplingBasicsTest5::testIntersect2DMeshesTmp7()
+{
+  double eps = 1.0e-8;
+  // coordinates circle - SEE getCircle() on the Python side
+  DataArrayDouble *coords1=DataArrayDouble::New();
+  const double coordsData1[16]={0.5328427124746189, -0.08284271247461905, -0.03284271247461901, 0.4828427124746191, -0.03284271247461906, -0.082842712474619, 0.5328427124746191, 0.482842712474619};
+  coords1->useArray(coordsData1,false,CPP_DEALLOC,8,2);
+  // connectivity
+  DataArrayInt *conn1=DataArrayInt::New();
+  const int connData1[5]={INTERP_KERNEL::NORM_QPOLYG,0,1,2,3};
+  conn1->useArray(connData1,false,CPP_DEALLOC,5,1);
+  DataArrayInt *connI1=DataArrayInt::New();
+  const int connIData1[2]={0,5};
+  connI1->useArray(connIData1,false,CPP_DEALLOC,2,1);
+  MEDCouplingUMesh *m1=MEDCouplingUMesh::New("circle",2);
+  m1->setCoords(coords1);
+  m1->setConnectivity(conn1,connI1,true);
+  coords1->decrRef(); conn1->decrRef(); connI1->decrRef();
+
+  // square
+  DataArrayDouble *coords2=DataArrayDouble::New();
+  const double coordsData2[8]={-0.5,-0.5,   -0.5, 0.5, 0.5, 0.5,    0.5,-0.5};
+  coords2->useArray(coordsData2,false,CPP_DEALLOC,4,2);
+  // connectivity
+  DataArrayInt *conn2=DataArrayInt::New();
+  const int connData2[5]={INTERP_KERNEL::NORM_POLYGON, 0,1,2,3};
+  conn2->useArray(connData2,false,CPP_DEALLOC,5,1);
+  DataArrayInt *connI2=DataArrayInt::New();
+  const int connIData2[2]={0,5};
+  connI2->useArray(connIData2,false,CPP_DEALLOC,2,1);
+  MEDCouplingUMesh *m2=MEDCouplingUMesh::New("square",2);
+  m2->setCoords(coords2);
+  m2->setConnectivity(conn2,connI2,true);
+  coords2->decrRef(); conn2->decrRef(); connI2->decrRef();
+
+  DataArrayInt * resToM1 = 0, * resToM2 = 0;
+  MEDCouplingUMesh *m_intersec=MEDCouplingUMesh::Intersect2DMeshes(m2, m1, eps, resToM1, resToM2);
+  m_intersec->zipCoords();
+
+  const double coo_tgt[34]={-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};
+  const int conn_tgt[22]={32, 5, 2, 6, 4, 7, 8, 9, 10, 32, 6, 3, 0, 1, 5, 4, 11, 12, 13, 14, 15, 16};
+  const int connI_tgt[3]={0, 9, 22};
+  const int res1_tgt[2] = {0, 0};
+  const int res2_tgt[2] = {0, -1};
+
+  CPPUNIT_ASSERT(std::equal(conn_tgt,conn_tgt+22,m_intersec->getNodalConnectivity()->getConstPointer()));
+  CPPUNIT_ASSERT(std::equal(connI_tgt,connI_tgt+3,m_intersec->getNodalConnectivityIndex()->getConstPointer()));
+  CPPUNIT_ASSERT(std::equal(res1_tgt,res1_tgt+2,resToM1->getConstPointer()));
+  CPPUNIT_ASSERT(std::equal(res2_tgt,res2_tgt+2,resToM2->getConstPointer()));
+  for(int i=0;i<34;i++)
+    CPPUNIT_ASSERT_DOUBLES_EQUAL(coo_tgt[i],m_intersec->getCoords()->getIJ(0,i),1e-12);
+  m1->decrRef(); m2->decrRef(); m_intersec->decrRef();
+  resToM1->decrRef(); resToM2->decrRef();
+}
+
 void MEDCouplingBasicsTest5::testDAIBuildSubstractionOptimized1()
 {
   const int tab1[7]={1,3,5,6,7,9,13};
 void MEDCouplingBasicsTest5::testDAIBuildSubstractionOptimized1()
 {
   const int tab1[7]={1,3,5,6,7,9,13};
index 9df6e65fb0ea743e8a9a4ad7c0ddcaed09085b59..4b1770100740411817fe381193d9ec77f58f22d0 100644 (file)
@@ -72,6 +72,7 @@ namespace ParaMEDMEM
     CPPUNIT_TEST( testDAIPartitionByDifferentValues1 );
     CPPUNIT_TEST( testDAICheckMonotonic1 );
     CPPUNIT_TEST( testIntersect2DMeshesTmp6 );
     CPPUNIT_TEST( testDAIPartitionByDifferentValues1 );
     CPPUNIT_TEST( testDAICheckMonotonic1 );
     CPPUNIT_TEST( testIntersect2DMeshesTmp6 );
+    CPPUNIT_TEST( testIntersect2DMeshesTmp7 );
     CPPUNIT_TEST( testDAIBuildSubstractionOptimized1 );
     CPPUNIT_TEST( testDAIIsStrictlyMonotonic1 );
     CPPUNIT_TEST( testSimplexize3 );
     CPPUNIT_TEST( testDAIBuildSubstractionOptimized1 );
     CPPUNIT_TEST( testDAIIsStrictlyMonotonic1 );
     CPPUNIT_TEST( testSimplexize3 );
@@ -113,6 +114,7 @@ namespace ParaMEDMEM
     void testDAIPartitionByDifferentValues1();
     void testDAICheckMonotonic1();
     void testIntersect2DMeshesTmp6();
     void testDAIPartitionByDifferentValues1();
     void testDAICheckMonotonic1();
     void testIntersect2DMeshesTmp6();
+    void testIntersect2DMeshesTmp7();
     void testDAIBuildSubstractionOptimized1();
     void testDAIIsStrictlyMonotonic1();
     void testSimplexize3();
     void testDAIBuildSubstractionOptimized1();
     void testDAIIsStrictlyMonotonic1();
     void testSimplexize3();
index 734391fa911d1c3281dfac9b201bbae0dfbb03f3..22b18a2f30aa156d8a1d9f04f19fb5cc0d9eecbc 100644 (file)
@@ -10419,6 +10419,35 @@ class MEDCouplingBasicsTest(unittest.TestCase):
         # Check coordinates:
         self.assertTrue(m3.getCoords().isEqual(m5.getCoords(), 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()
     def testDAIBuildUnique1(self):
         d=DataArrayInt([1,2,2,3,3,3,3,4,5,5,7,7,7,19])
         e=d.buildUnique()
index c888a0d747d87d75143a7ab4eb006213584be101..5ed647cbaa86cc3978e1524ccd93ddf2f52abefa 100644 (file)
@@ -683,6 +683,24 @@ class MEDCouplingDataForTest:
         fff.setGaussLocalizationOnCells([6,7],[-1.,-1.,-1.,-1.,1.,-1.,1.,1.,-1.,1.,-1.,-1.,-1.,-1.,1.,-1.,1.,1.,1.,1.,1.,1.,-1.,1.],[-0.577350269189626,-0.577350269189626,-0.577350269189626,-0.577350269189626,-0.577350269189626,0.577350269189626,-0.577350269189626,0.577350269189626,-0.577350269189626,-0.577350269189626,0.577350269189626,0.577350269189626,0.577350269189626,-0.577350269189626,-0.577350269189626,0.577350269189626,-0.577350269189626,0.577350269189626,0.577350269189626,0.577350269189626,-0.577350269189626,0.577350269189626,0.577350269189626,0.577350269189626],[1.,1.,1.,1.,1.,1.,1.,1.])
         return MEDCouplingFieldTemplate(fff)
 
         fff.setGaussLocalizationOnCells([6,7],[-1.,-1.,-1.,-1.,1.,-1.,1.,1.,-1.,1.,-1.,-1.,-1.,-1.,1.,-1.,1.,1.,1.,1.,1.,1.,-1.,1.],[-0.577350269189626,-0.577350269189626,-0.577350269189626,-0.577350269189626,-0.577350269189626,0.577350269189626,-0.577350269189626,0.577350269189626,-0.577350269189626,-0.577350269189626,0.577350269189626,0.577350269189626,0.577350269189626,-0.577350269189626,-0.577350269189626,0.577350269189626,-0.577350269189626,0.577350269189626,0.577350269189626,0.577350269189626,-0.577350269189626,0.577350269189626,0.577350269189626,0.577350269189626],[1.,1.,1.,1.,1.,1.,1.,1.])
         return MEDCouplingFieldTemplate(fff)
 
+    def buildCircle(self, center_X, center_Y, radius):  
+      from cmath import rect
+      from math import pi  
+  
+      c = [rect(radius, 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 = range(4) 
+      baseMesh = MEDCouplingUMesh.New("circle", 2)  
+      baseMesh.allocateCells(1)
+      meshCoords = DataArrayDouble.New(coords, len(coords)/2, 2)
+      meshCoords += (center_X, center_Y)
+      baseMesh.setCoords(meshCoords)
+  
+      baseMesh.insertNextCell(NORM_QPOLYG, connec)  
+      baseMesh.finishInsertingCells()  
+      return baseMesh
+
     build2DTargetMesh_1=classmethod(build2DTargetMesh_1)
     build2DSourceMesh_1=classmethod(build2DSourceMesh_1)
     build3DTargetMesh_1=classmethod(build3DTargetMesh_1)
     build2DTargetMesh_1=classmethod(build2DTargetMesh_1)
     build2DSourceMesh_1=classmethod(build2DSourceMesh_1)
     build3DTargetMesh_1=classmethod(build3DTargetMesh_1)
@@ -711,4 +729,8 @@ class MEDCouplingDataForTest:
     buildFieldOnGauss_2=classmethod(buildFieldOnGauss_2)
     buildFieldOnGauss_3=classmethod(buildFieldOnGauss_3)
     buildFieldOnGauss_4=classmethod(buildFieldOnGauss_4)
     buildFieldOnGauss_2=classmethod(buildFieldOnGauss_2)
     buildFieldOnGauss_3=classmethod(buildFieldOnGauss_3)
     buildFieldOnGauss_4=classmethod(buildFieldOnGauss_4)
+    buildCircle=classmethod(buildCircle)
     pass
     pass
+
+
+