//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 data for the chart
double[] data = { 5.1, 1.5, 5.1, 4.0, 1.7, 8.7, 9.4, 2.1, 3.5, 8.8, 5.0, 6.0 };
// The labels for the chart
string[] labels = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept",
"Oct", "Nov", "Dec" };
// Create a PolarChart object of size 400 x 420 pixels. with a metallic blue (9999ff)
// background color and 1 pixel 3D border
PolarChart c = new PolarChart(400, 420, Chart.metalColor(0x9999ff), 0x000000, 1);
// Add a title to the chart using 16pt Arial Bold Italic font. The title text is white
// (0xffffff) on deep blue (000080) background
c.addTitle("Chemical Concentration", "Arial Bold Italic", 16, 0xffffff).setBackground(
0x000080);
// Set center of plot area at (200, 240) with radius 145 pixels. Set background color to
// green (0x33ff33)
c.setPlotArea(200, 240, 145, 0x33ff33);
// Set the labels to the angular axis
c.angularAxis().setLabels(labels);
// Color the sector between label index = 5.5 to 7.5 as red (ff3333) zone
c.angularAxis().addZone(5.5, 7.5, 0xff3333);
// Color the sector between label index = 4.5 to 5.5, and also between 7.5 to 8.5, as
// yellow (ff3333) zones
c.angularAxis().addZone(4.5, 5.5, 0xffff00);
c.angularAxis().addZone(7.5, 8.5, 0xffff00);
// Set the grid style to circular grid
c.setGridStyle(false);
// Use semi-transparent (40ffffff) label background so as not to block the data
c.radialAxis().setLabelStyle().setBackground(0x40ffffff, 0x40000000);
// Add a legend box at (200, 30) top center aligned, using 9pt Arial Bold font. with a
// black border.
LegendBox legendBox = c.addLegend(200, 30, false, "Arial Bold", 9);
legendBox.setAlignment(Chart.TopCenter);
// Add legend keys to represent the red/yellow/green zones
legendBox.addKey("Very Dry", 0xff3333);
legendBox.addKey("Critical", 0xffff00);
legendBox.addKey("Moderate", 0x33ff33);
// Add a blue (0x80) line layer with line width set to 3 pixels and use purple (ff00ff)
// cross symbols for the data points
PolarLineLayer layer = c.addLineLayer(data, 0x000080);
layer.setLineWidth(3);
layer.setDataSymbol(Chart.Cross2Shape(), 15, 0xff00ff);
// Output the chart
viewer.Chart = c;
// Include tool tip for the chart.
viewer.ImageMap = layer.getHTMLImageMap("clickable", "",
"title='Concentration on {label}: {value} ppm'");
}
