//Main code for creating chart.
        //Note: the argument chartIndex is unused because this demo only has 1 chart.
        public void createChart(WPFChartViewer viewer, int chartIndex)
        {
            // The (x, y, z) coordinates of the scattered data
            double[] dataX = { 0.5,  1.9, 4.9, 1.0, 8.9, 9.8, 5.9, 2.9, 6.8, 9.0, 0.0, 8.9,  1.9, 4.8,
                               2.4,  3.4, 7.9, 7.5, 4.8, 7.5, 9.5, 0.4, 8.9, 0.9, 5.4, 9.4,  2.9, 8.9, 0.9, 8.9,
                               10.0, 1.0, 6.8, 3.8, 9.0, 5.3, 6.4, 4.9, 4.5, 2.0, 5.4, 0.0, 10.0, 3.9, 5.4, 5.9,
                               5.8,  0.3, 4.4, 8.3 };
            double[] dataY = { 3.3, 3.0, 0.7, 1.0, 9.3, 4.5, 8.4, 0.1, 0.8, 0.1, 9.3, 1.8, 4.3, 1.3,
                               2.3, 5.4, 6.9, 9.0, 9.8, 7.5, 1.8, 1.4, 4.5, 7.8, 3.8, 4.0, 2.9, 2.4, 3.9, 2.9, 2.3,
                               9.3, 2.0, 3.4, 4.8, 2.3, 3.4, 2.3, 1.5, 7.8, 4.5, 0.9, 6.3, 2.4, 6.9, 2.8, 1.3, 2.9,
                               6.4, 6.3 };
            double[] dataZ = { 6.6, 12.5,  7.4,  6.2,  9.6, 13.6, 19.9, 2.2, 6.9, 3.4, 8.7, 8.4, 7.8,
                               8.0,  9.4, 11.9,  9.6, 15.7, 12.0, 13.3, 9.6, 6.4, 9.0, 6.9, 4.6, 9.7,10.6, 9.2,  7.0,
                               6.9,  9.7,  8.6,  8.0, 13.6, 13.2,  5.9, 9.0, 3.2, 8.3, 9.7, 8.2, 6.1, 8.7, 5.6, 14.9,
                               9.8,  9.3,  5.1, 10.8, 9.8 };

            // Create a SurfaceChart object of size 680 x 550 pixels. Set background to brushed
            // silver and border to grey (888888). Set the top-left and bottom-right corners to
            // rounded corners with 20 pixels radius.
            SurfaceChart c = new SurfaceChart(680, 550, Chart.brushedSilverColor(), 0x888888);

            c.setRoundedFrame(0xffffff, 20, 0, 20, 0);

            // Add a title to the chart using 20 points Times New Roman Italic font. Set top/bottom
            // margin to 8 pixels.
            ChartDirector.TextBox title = c.addTitle("Surface Created Using Scattered Data Points",
                                                     "Times New Roman Italic", 20);
            title.setMargin2(0, 0, 8, 8);

            // Add a 2 pixel wide black (000000) separator line under the title
            c.addLine(10, title.getHeight(), c.getWidth() - 10, title.getHeight(), 0x000000, 2);

            // Set the center of the plot region at (290, 235), and set width x depth x height to
            // 360 x 360 x 180 pixels
            c.setPlotRegion(290, 235, 360, 360, 180);

            // Set the elevation and rotation angles to 45 and -45 degrees
            c.setViewAngle(45, -45);

            // Set the perspective level to 30
            c.setPerspective(30);

            // Set the data to use to plot the chart
            c.setData(dataX, dataY, dataZ);

            // Add a color axis (the legend) in which the top right corner is anchored at (660, 80).
            // Set the length to 200 pixels and the labels on the right side.
            ColorAxis cAxis = c.setColorAxis(660, 80, Chart.TopRight, 200, Chart.Right);

            // Set the color axis title with 12 points Arial Bold font
            cAxis.setTitle("Z Title Placeholder", "Arial Bold", 12);

            // Add a bounding box with light grey (eeeeee) background and grey (888888) border. Set
            // the top-left and bottom-right corners to rounded corners of  10 pixels radius.
            cAxis.setBoundingBox(0xeeeeee, 0x888888);
            cAxis.setRoundedCorners(10, 0, 10, 0);

            // Set surface grid lines to semi-transparent black (cc000000)
            c.setSurfaceAxisGrid(unchecked ((int)0xcc000000));

            // Set contour lines to semi-transparent white (80ffffff)
            c.setContourColor(unchecked ((int)0x80ffffff));

            // Set the walls to black in color
            c.setWallColor(0x000000);

            // Set the xyz major wall grid lines to white (ffffff), and minor wall grid lines to
            // grey (888888)
            c.setWallGrid(0xffffff, 0xffffff, 0xffffff, 0x888888, 0x888888, 0x888888);

            // Set the wall thickness to 0
            c.setWallThickness(0, 0, 0);

            // Show only the xy wall, and hide the yz and zx walls.
            c.setWallVisibility(true, false, false);

            // Set the x, y and z axis titles using 12 points Arial Bold font
            c.xAxis().setTitle("X Title\nPlaceholder", "Arial Bold", 12);
            c.yAxis().setTitle("Y Title\nPlaceholder", "Arial Bold", 12);

            // Output the chart
            viewer.Chart = c;
        }