public void GetAvailableMethods()
		{
			ElementMapper elementMapper = new ElementMapper();
			ElementType fromElementType = ElementType.XYPolygon;
			ElementType toElementType  = ElementType.XYPolygon;

			ArrayList availableMethods = elementMapper.GetAvailableMethods(fromElementType, toElementType);
			Assert.AreEqual("Weighted Mean", availableMethods[0]);
			Assert.AreEqual("Weighted Sum", availableMethods[1]);
		}
		public void ExpectexException_UpdateMappingMatrix_ElementChecker()
		{
            try
            {
                //Two Vertices in point element error
                ElementSet elementSet = new ElementSet("test", "test", ElementType.XYPoint, new SpatialReference("DummyID"));
                Element e1 = new Element("e1");
                e1.AddVertex(new Vertex(1, 1, 1));
                e1.AddVertex(new Vertex(2, 2, 2)); //here the error is introduced on purpose

                elementSet.AddElement(e1);

                ElementMapper elementMapper = new ElementMapper();
                string method = (string)elementMapper.GetAvailableMethods(ElementType.XYPolyLine, ElementType.XYPolygon)[0];
                elementMapper.UpdateMappingMatrix(method, elementSet, elementSet);
            }
            catch (Exception ex)
            {
                Assert.IsTrue(ex.GetType() == typeof(Exception));
            }

		}
        [TestMethod()] // testing the Initialise method
		public void UpdateMappingMatrix_PolygonPolygon()
		{
			Vertex v1_0_10  = new Vertex(0,10,0);
			Vertex v1_0_0   = new Vertex(0,0,0);
			Vertex v1_10_0  = new Vertex(10,0,0);
			Vertex v1_10_10 = new Vertex(10,10,0);
			Vertex v1_20_0  = new Vertex(20,0,0);
			Vertex v1_20_10 = new Vertex(20,10,0);
			Vertex v1_5_9   = new Vertex(5,9,0);
			Vertex v1_5_1   = new Vertex(5,1,0);
			Vertex v1_15_5  = new Vertex(15,5,0);

			Element LeftSquare  = new Element("LeftSquare");
			LeftSquare.AddVertex(v1_0_10);
			LeftSquare.AddVertex(v1_0_0);
			LeftSquare.AddVertex(v1_10_0);
			LeftSquare.AddVertex(v1_10_10);
      
			Element RightSquare = new Element("RightSquare");
			RightSquare.AddVertex(v1_10_10);
			RightSquare.AddVertex(v1_10_0);
			RightSquare.AddVertex(v1_20_0);
			RightSquare.AddVertex(v1_20_10);

			Element Triangle    = new Element("Triangle");
			Triangle.AddVertex(v1_5_9);
			Triangle.AddVertex(v1_5_1);
			Triangle.AddVertex(v1_15_5);

			ElementSet TwoSquareElementSet      = new ElementSet("TwoSquareElementSet","TwoSquareElementSet",ElementType.XYPolygon,new SpatialReference("ref"));
			ElementSet TriangleElementSet       = new ElementSet("TriangleElementSet","TriangleElementSet",ElementType.XYPolygon,new SpatialReference("ref"));
			TwoSquareElementSet.AddElement(LeftSquare);
			TwoSquareElementSet.AddElement(RightSquare);
			TriangleElementSet.AddElement(Triangle);
      
			ElementMapper elementMapper = new ElementMapper();
			ArrayList methodDescriptions = elementMapper.GetAvailableMethods(TwoSquareElementSet.ElementType, TriangleElementSet.ElementType);
			elementMapper.Initialise(methodDescriptions[0].ToString(), TriangleElementSet,  TwoSquareElementSet);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0),"Test1");
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 0),"Test2");
      
			elementMapper.Initialise(methodDescriptions[0].ToString(), TwoSquareElementSet, TriangleElementSet);
			Assert.AreEqual(0.75, elementMapper.GetValueFromMappingMatrix(0, 0),0.000000001,"Test3");
			Assert.AreEqual(0.25, elementMapper.GetValueFromMappingMatrix(0, 1),"Test4");
	      
			elementMapper.Initialise(methodDescriptions[1].ToString(), TriangleElementSet,  TwoSquareElementSet);
			Assert.AreEqual(0.3, elementMapper.GetValueFromMappingMatrix(0, 0),"Test5");
			Assert.AreEqual(0.1, elementMapper.GetValueFromMappingMatrix(1, 0),"Test6");
	    
			elementMapper.Initialise(methodDescriptions[1].ToString(), TwoSquareElementSet, TriangleElementSet);
			Assert.AreEqual(0.75, elementMapper.GetValueFromMappingMatrix(0, 0),0.0000000001,"Test7");
			Assert.AreEqual(0.25, elementMapper.GetValueFromMappingMatrix(0, 1),"Test8");
      
			Vertex v2_0_2 = new Vertex(0,2,0);
			Vertex v2_0_0 = new Vertex(0,0,0);
			Vertex v2_2_0 = new Vertex(2,0,0);
			Vertex v2_1_2 = new Vertex(1,2,0);
			Vertex v2_1_0 = new Vertex(1,0,0);
			Vertex v2_3_0 = new Vertex(3,0,0);

			Element LeftTriangle2  = new Element("LeftTriangle");
			LeftTriangle2.AddVertex(v2_0_2);
			LeftTriangle2.AddVertex(v2_0_0);
			LeftTriangle2.AddVertex(v2_2_0);

			Element RightTriangle2  = new Element("RightTriangle");
			RightTriangle2.AddVertex(v2_1_2);
			RightTriangle2.AddVertex(v2_1_0);
			RightTriangle2.AddVertex(v2_3_0);
      
			ElementSet LeftTriangleElementSet2      = new ElementSet("TwoSquareElementSet","TwoSquareElementSet",ElementType.XYPolygon,new SpatialReference("ref"));
			ElementSet RightTriangleElementSet2       = new ElementSet("TriangleElementSet","TriangleElementSet",ElementType.XYPolygon,new SpatialReference("ref"));
			LeftTriangleElementSet2.AddElement(LeftTriangle2);
			RightTriangleElementSet2.AddElement(RightTriangle2);

      
			elementMapper.Initialise(methodDescriptions[0].ToString(), LeftTriangleElementSet2, RightTriangleElementSet2);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0),"Test9");

			elementMapper.Initialise(methodDescriptions[0].ToString(), RightTriangleElementSet2, LeftTriangleElementSet2);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0),"Test10");
      
			elementMapper.Initialise(methodDescriptions[1].ToString(), LeftTriangleElementSet2, RightTriangleElementSet2);
			Assert.AreEqual(0.25, elementMapper.GetValueFromMappingMatrix(0, 0),"Test11");

			elementMapper.Initialise(methodDescriptions[1].ToString(), RightTriangleElementSet2, LeftTriangleElementSet2);
			Assert.AreEqual(0.25, elementMapper.GetValueFromMappingMatrix(0, 0),"Test12");
      
			Vertex v3_0_2 = new Vertex(0,2,0);
			Vertex v3_0_0 = new Vertex(0,0,0);
			Vertex v3_2_0 = new Vertex(2,0,0);
			Vertex v3_1_2 = new Vertex(1,2,0);
			Vertex v3_1_0 = new Vertex(1,0,0);
			Vertex v3_3_2 = new Vertex(3,2,0);
    
			Element LeftTriangle3  = new Element("LeftTriangle");
			LeftTriangle3.AddVertex(v3_0_2);
			LeftTriangle3.AddVertex(v3_0_0);
			LeftTriangle3.AddVertex(v3_2_0);

			Element RightTriangle3  = new Element("RightTriangle");
			RightTriangle3.AddVertex(v3_1_2);
			RightTriangle3.AddVertex(v3_1_0);
			RightTriangle3.AddVertex(v3_3_2);
      
			ElementSet LeftTriangleElementSet3      = new ElementSet("TwoSquareElementSet","TwoSquareElementSet",ElementType.XYPolygon,new SpatialReference("ref"));
			ElementSet RightTriangleElementSet3       = new ElementSet("TriangleElementSet","TriangleElementSet",ElementType.XYPolygon,new SpatialReference("ref"));
			LeftTriangleElementSet3.AddElement(LeftTriangle3);
			RightTriangleElementSet3.AddElement(RightTriangle3);

			elementMapper.Initialise(methodDescriptions[0].ToString(), LeftTriangleElementSet3, RightTriangleElementSet3);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0),"Test13");

			elementMapper.Initialise(methodDescriptions[0].ToString(), RightTriangleElementSet3, LeftTriangleElementSet3);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0),"Test14");
      
			elementMapper.Initialise(methodDescriptions[1].ToString(), LeftTriangleElementSet3, RightTriangleElementSet3);
			Assert.AreEqual(0.125, elementMapper.GetValueFromMappingMatrix(0, 0),"Test15");

			elementMapper.Initialise(methodDescriptions[1].ToString(), RightTriangleElementSet3, LeftTriangleElementSet3);
			Assert.AreEqual(0.125, elementMapper.GetValueFromMappingMatrix(0, 0),"Test16");
		}
        [TestMethod()] // testing the Initialise method
		public void MapValues()
		{
			ElementSet gridElementSet = new ElementSet("RegularGrid","RegularGrid",ElementType.XYPolygon, new SpatialReference("ref"));
			ElementSet fourPointsElementSet = new ElementSet("4 points","4P",ElementType.XYPoint,new SpatialReference("DummyID")); 

			Vertex v_0_20  = new Vertex(0,20,0);
			Vertex v_0_10  = new Vertex(0,10,0);
			Vertex v_0_0   = new Vertex(0, 0,0);
			Vertex v_0_15  = new Vertex(0,15,0);
			Vertex v_5_15  = new Vertex(5,15,0);
			Vertex v_10_20 = new Vertex(10,20,0);
			Vertex v_10_15 = new Vertex(10,15,0);
			Vertex v_10_10 = new Vertex(10,10,0);
			Vertex v_10_0  = new Vertex(10, 0,0);
			Vertex v_15_15 = new Vertex(15,15,0);
			Vertex v_15_5  = new Vertex(15,5,0);
			Vertex v_20_20 = new Vertex(20,20,0);
			Vertex v_20_10 = new Vertex(20,10,0);

			Element square1 = new Element("square1");
			Element square2 = new Element("square2");
			Element square3 = new Element("square3");

			square1.AddVertex(v_0_20);
			square1.AddVertex(v_0_10);
			square1.AddVertex(v_10_10);
			square1.AddVertex(v_10_20);

			square2.AddVertex(v_10_20);
			square2.AddVertex(v_10_10);
			square2.AddVertex(v_20_10);
			square2.AddVertex(v_20_20);

			square3.AddVertex(v_0_10);
			square3.AddVertex(v_0_0);
			square3.AddVertex(v_10_0);
			square3.AddVertex(v_10_10);

			gridElementSet.AddElement(square1);
			gridElementSet.AddElement(square2);
			gridElementSet.AddElement(square3);

			Element point_5_15  = new Element("point 5, 15");
			Element point_10_15 = new Element("point 10, 15");
			Element point_15_15 = new Element("point 15, 15");
			Element point_15_5  = new Element("point 15, 5");

			point_5_15.AddVertex(v_5_15);
			point_10_15.AddVertex(v_10_15);
			point_15_15.AddVertex(v_15_15);
			point_15_5.AddVertex(v_15_5);

			fourPointsElementSet.AddElement(point_5_15);
			fourPointsElementSet.AddElement(point_10_15);
			fourPointsElementSet.AddElement(point_15_15);
			fourPointsElementSet.AddElement(point_15_5);
			ScalarSet fourPointsScalarSet = new ScalarSet();
			ScalarSet gridScalarSet = new ScalarSet();      
      
			ElementMapper elementMapper = new ElementMapper();
      
			// point to polygon  
      
			ArrayList methodDescriptions = elementMapper.GetAvailableMethods(fourPointsElementSet.ElementType, gridElementSet.ElementType);
			elementMapper.Initialise(methodDescriptions[0].ToString(), fourPointsElementSet, gridElementSet);
			fourPointsScalarSet.data = new double[4] { 0, 10, 20, 30 };
			gridScalarSet = (ScalarSet)elementMapper.MapValues(fourPointsScalarSet);
			Assert.AreEqual(5, gridScalarSet.data[0]);
			Assert.AreEqual(20, gridScalarSet.data[1]);
			Assert.AreEqual(0, gridScalarSet.data[2]);
			// polygon to point
			methodDescriptions = elementMapper.GetAvailableMethods(gridElementSet.ElementType, fourPointsElementSet.ElementType);
			elementMapper.Initialise(methodDescriptions[0].ToString(), gridElementSet, fourPointsElementSet);
			fourPointsScalarSet = (ScalarSet)elementMapper.MapValues(gridScalarSet);
			Assert.AreEqual(5, fourPointsScalarSet.data[0]);
			Assert.AreEqual(5, fourPointsScalarSet.data[1]);
			Assert.AreEqual(20, fourPointsScalarSet.data[2]);
			Assert.AreEqual(0, fourPointsScalarSet.data[3]);
		}
        [TestMethod()] // testing the Initialise method
    public void UpdateMappingMatrix_LinePolygon()
    {
      ElementSet twoSquaresGrid = new ElementSet("TwoSquaresGrid", "TwoSquaresGrid", ElementType.XYPolygon, new SpatialReference("ref"));

      Element e1 = new Element("e1");
      Element e2 = new Element("e2");

      e1.AddVertex(new Vertex(1, 1, 0));
      e1.AddVertex(new Vertex(3, 1, 0));
      e1.AddVertex(new Vertex(3, 3, 0));
      e1.AddVertex(new Vertex(1, 3, 0));

      e2.AddVertex(new Vertex(3, 1, 0));
      e2.AddVertex(new Vertex(5, 1, 0));
      e2.AddVertex(new Vertex(5, 3, 0));
      e2.AddVertex(new Vertex(3, 3, 0));

      twoSquaresGrid.AddElement(e1);
      twoSquaresGrid.AddElement(e2);

      ElementSet twoLines = new ElementSet("TwoLines", "TwoLines", ElementType.XYLine, new SpatialReference("ref"));

      Element l1 = new Element("l1");
      Element l2 = new Element("l2");

      l1.AddVertex(new Vertex(0, 2.5, 0));
      l1.AddVertex(new Vertex(2, 2.5, 0));
      l2.AddVertex(new Vertex(2, 2.5, 0));
      l2.AddVertex(new Vertex(4, 1.5, 0));

      twoLines.AddElement(l1);
      twoLines.AddElement(l2);

      // Line to Polygon
      ElementMapper elementMapper = new ElementMapper();
      ArrayList methodDescriptions = elementMapper.GetAvailableMethods(twoLines.ElementType, twoSquaresGrid.ElementType);
      elementMapper.Initialise(methodDescriptions[0].ToString(), twoLines, twoSquaresGrid);
      Assert.AreEqual(1 / (1 + Math.Sqrt(1 + Math.Pow(0.5, 2))), elementMapper.GetValueFromMappingMatrix(0, 0), "Test1");
      Assert.AreEqual(1 - 1 / (1 + Math.Sqrt(1 + Math.Pow(0.5, 2))), elementMapper.GetValueFromMappingMatrix(0, 1), "Test2");
      Assert.AreEqual(0.0, elementMapper.GetValueFromMappingMatrix(1, 0), "Test3");
      Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 1), "Test4");

      elementMapper.Initialise(methodDescriptions[1].ToString(), twoLines, twoSquaresGrid);
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 0), "Test5");
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 1), "Test6");
      Assert.AreEqual(0.0, elementMapper.GetValueFromMappingMatrix(1, 0), "Test7");
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(1, 1), "Test8");

      // Polygon To PolyLine
      methodDescriptions = elementMapper.GetAvailableMethods(twoSquaresGrid.ElementType, twoLines.ElementType);
      elementMapper.Initialise(methodDescriptions[0].ToString(), twoSquaresGrid, twoLines);
      Assert.AreEqual(1.0, elementMapper.GetValueFromMappingMatrix(0, 0), "Test9");
      Assert.AreEqual(0.0, elementMapper.GetValueFromMappingMatrix(0, 1), "Test10");
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(1, 0), "Test11");
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(1, 1), "Test12");

      elementMapper.Initialise(methodDescriptions[1].ToString(), twoSquaresGrid, twoLines);
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 0), "Test13");
      Assert.AreEqual(0.0, elementMapper.GetValueFromMappingMatrix(0, 1), "Test14");
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(1, 0), "Test15");
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(1, 1), "Test16");
    }
        [TestMethod()] // testing the Initialise method
		public void UpdateMappingMatrix_PointPolygon()
		{
			ElementSet gridElementSet = new ElementSet("gridElm","G1",ElementType.XYPolygon, new SpatialReference("ref"));
			ElementSet fourPointsElementSet = new ElementSet("4 points","4P",ElementType.XYPoint,new SpatialReference("DummyID")); 

			Vertex v_0_20  = new Vertex(0,20,0);
			Vertex v_0_10  = new Vertex(0,10,0);
			Vertex v_0_0   = new Vertex(0, 0,0);
			Vertex v_0_15  = new Vertex(0,15,0);
			Vertex v_5_15  = new Vertex(5,15,0);
			Vertex v_10_20 = new Vertex(10,20,0);
			Vertex v_10_15 = new Vertex(10,15,0);
			Vertex v_10_10 = new Vertex(10,10,0);
			Vertex v_10_0  = new Vertex(10, 0,0);
			Vertex v_15_15 = new Vertex(15,15,0);
			Vertex v_15_5  = new Vertex(15,5,0);
			Vertex v_20_20 = new Vertex(20,20,0);
			Vertex v_20_10 = new Vertex(20,10,0);

			Element square1 = new Element("square1");
			Element square2 = new Element("square2");
			Element square3 = new Element("square3");

			square1.AddVertex(v_0_20);
			square1.AddVertex(v_0_10);
			square1.AddVertex(v_10_10);
			square1.AddVertex(v_10_20);

			square2.AddVertex(v_10_20);
			square2.AddVertex(v_10_10);
			square2.AddVertex(v_20_10);
			square2.AddVertex(v_20_20);

			square3.AddVertex(v_0_10);
			square3.AddVertex(v_0_0);
			square3.AddVertex(v_10_0);
			square3.AddVertex(v_10_10);

			gridElementSet.AddElement(square1);
			gridElementSet.AddElement(square2);
			gridElementSet.AddElement(square3);

			Element point_5_15  = new Element("point 5, 15");
			Element point_10_15 = new Element("point 10, 15");
			Element point_15_15 = new Element("point 15, 15");
			Element point_15_5  = new Element("point 15, 5");

			point_5_15.AddVertex(v_5_15);
			point_10_15.AddVertex(v_10_15);
			point_15_15.AddVertex(v_15_15);
			point_15_5.AddVertex(v_15_5);

			fourPointsElementSet.AddElement(point_5_15);
			fourPointsElementSet.AddElement(point_10_15);
			fourPointsElementSet.AddElement(point_15_15);
			fourPointsElementSet.AddElement(point_15_5);
        
			ElementMapper elementMapper = new ElementMapper();
      
			// point to polygon
      
			ArrayList methodDescriptions = elementMapper.GetAvailableMethods(fourPointsElementSet.ElementType, gridElementSet.ElementType);
			elementMapper.Initialise(methodDescriptions[0].ToString(), fourPointsElementSet, gridElementSet);
			Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 0));
			Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 1));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 2));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 3));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 0));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 1));
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 2));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 3));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(2, 0));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(2, 1));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(2, 2));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(2, 3));

			// polygon to point
			methodDescriptions = elementMapper.GetAvailableMethods(gridElementSet.ElementType, fourPointsElementSet.ElementType);
			elementMapper.Initialise(methodDescriptions[0].ToString(), gridElementSet, fourPointsElementSet);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 1));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 2));
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 0));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 1));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 2));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(2, 0));
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(2, 1));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(2, 2));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(3, 0));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(3, 1));
			Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(3, 2));
		}
        [TestMethod()] // testing the Initialise method
    public void UpdateMappingMatrix_Pointline()
    {
      ElementSet fourPointsElementSet = CreateElementSet("4 Other Points");
      ElementSet lineElementSet = CreateElementSet("2 element XYline ElementSet");

      ElementMapper elementMapper = new ElementMapper();

      // point to polyline
      ArrayList methodDescriptions = elementMapper.GetAvailableMethods(fourPointsElementSet.ElementType, lineElementSet.ElementType);
      elementMapper.Initialise(methodDescriptions[0].ToString(), fourPointsElementSet, lineElementSet);
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 0));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 1));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 2));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 3));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 0));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 1));
      Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 2));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 3));

      elementMapper.Initialise(methodDescriptions[1].ToString(), fourPointsElementSet, lineElementSet);
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 0));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 1));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(0, 2));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 3));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 0));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 1));
      Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 2));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 3));

      // polyline to point
      methodDescriptions = elementMapper.GetAvailableMethods(lineElementSet.ElementType, fourPointsElementSet.ElementType);
      elementMapper.Initialise(methodDescriptions[0].ToString(), lineElementSet, fourPointsElementSet);
      Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 1));
      Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 0));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(1, 1));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(2, 0));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(2, 1));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(3, 0));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(3, 1));

      elementMapper.Initialise(methodDescriptions[1].ToString(), lineElementSet, fourPointsElementSet);
      Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0));
      Assert.AreEqual(0, elementMapper.GetValueFromMappingMatrix(0, 1));
      Assert.AreEqual(0.585786437626905, elementMapper.GetValueFromMappingMatrix(1, 0));
      Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 0)
        + elementMapper.GetValueFromMappingMatrix(1, 1));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(2, 0));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(2, 1));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(3, 0));
      Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(3, 1));
    }
        [TestMethod()] // testing the Initialise method
		public void UpdateMappingMatrix_PointPoint()
		{
			ElementSet fourPointsElementSet = CreateElementSet("4 Points");
			ElementSet twoPointsElementSet = CreateElementSet("2 Points");

			ElementMapper elementMapper = new ElementMapper();
  	      
			ArrayList methodDescriptions = elementMapper.GetAvailableMethods(fourPointsElementSet.ElementType, twoPointsElementSet.ElementType);
			elementMapper.Initialise(methodDescriptions[0].ToString(), fourPointsElementSet,  twoPointsElementSet);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0));
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0)
				+elementMapper.GetValueFromMappingMatrix(0, 1)
				+elementMapper.GetValueFromMappingMatrix(0, 2)
				+elementMapper.GetValueFromMappingMatrix(0, 3));
			Assert.AreEqual(0.5, elementMapper.GetValueFromMappingMatrix(1, 2));
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 0)
				+elementMapper.GetValueFromMappingMatrix(1, 1)
				+elementMapper.GetValueFromMappingMatrix(1, 2)
				+elementMapper.GetValueFromMappingMatrix(1, 3));
  	      
			elementMapper.Initialise(methodDescriptions[1].ToString(), fourPointsElementSet,  twoPointsElementSet);
			Assert.AreEqual(0.56310461156889, elementMapper.GetValueFromMappingMatrix(0, 0),0.000000001);
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(0, 0)
				+elementMapper.GetValueFromMappingMatrix(0, 1)
				+elementMapper.GetValueFromMappingMatrix(0, 2)
				+elementMapper.GetValueFromMappingMatrix(0, 3));
			Assert.AreEqual(1, elementMapper.GetValueFromMappingMatrix(1, 0)
				+elementMapper.GetValueFromMappingMatrix(1, 1)
				+elementMapper.GetValueFromMappingMatrix(1, 2)
				+elementMapper.GetValueFromMappingMatrix(1, 3),0.000000001);
		}
		[TestMethod()] // testing the Initialise method
		public void Initialise()
		{
			ElementSet fourPointsElementSet = CreateElementSet("4 Points");
			ElementSet twoPointsElementSet  = CreateElementSet("2 Points");
      
			ElementMapper elementMapper = new ElementMapper();
	      
			ArrayList methodDescriptions = elementMapper.GetAvailableMethods(fourPointsElementSet.ElementType, twoPointsElementSet.ElementType);
			elementMapper.Initialise(methodDescriptions[0].ToString(), fourPointsElementSet,  twoPointsElementSet);

			double Calculated = elementMapper.GetValueFromMappingMatrix(0, 0);
			double Expected  = 1;

			Assert.AreEqual(Expected,Calculated);
		}