//Main code for creating chart.
//Note: the argument chartIndex is unused because this demo only has 1 chart.
public void createChart(WinChartViewer viewer, int chartIndex)
{
// The data for the chart
double[] data0 = { 6, 12.5, 18.2, 15 };
double[] angles0 = { 45, 96, 169, 258 };
double[] size0 = { 41, 105, 12, 20 };
double[] data1 = { 18, 16, 11, 14 };
double[] angles1 = { 30, 210, 240, 310 };
double[] size1 = { 30, 45, 12, 90 };
// Create a PolarChart object of size 460 x 460 pixels
PolarChart c = new PolarChart(460, 460);
// Add a title to the chart at the top left corner using 15pt Arial Bold Italic font
c.addTitle2(Chart.TopLeft, "<*underline=2*>EM Field Strength", "Arial Bold Italic", 15);
// Set center of plot area at (230, 240) with radius 180 pixels
c.setPlotArea(230, 240, 180);
// Use alternative light grey/dark grey circular background color
c.setPlotAreaBg(0xdddddd, 0xeeeeee);
// Set the grid style to circular grid
c.setGridStyle(false);
// Add a legend box at the top right corner of the chart using 9pt Arial Bold font
c.addLegend(459, 0, true, "Arial Bold", 9).setAlignment(Chart.TopRight);
// Set angular axis as 0 - 360, with a spoke every 30 units
c.angularAxis().setLinearScale(0, 360, 30);
// Set the radial axis label format
c.radialAxis().setLabelFormat("{value} km");
// Add a blue (0x9999ff) line layer to the chart using (data0, angle0)
PolarLineLayer layer0 = c.addLineLayer(data0, 0x9999ff, "Cold Spot");
layer0.setAngles(angles0);
// Disable the line by setting its width to 0, so only the symbols are visible
layer0.setLineWidth(0);
// Use a circular data point symbol
layer0.setDataSymbol(Chart.CircleSymbol, 11);
// Modulate the symbol size by size0 to produce a bubble chart effect
layer0.setSymbolScale(size0);
// Add a red (0xff9999) line layer to the chart using (data1, angle1)
PolarLineLayer layer1 = c.addLineLayer(data1, 0xff9999, "Hot Spot");
layer1.setAngles(angles1);
// Disable the line by setting its width to 0, so only the symbols are visible
layer1.setLineWidth(0);
// Use a circular data point symbol
layer1.setDataSymbol(Chart.CircleSymbol, 11);
// Modulate the symbol size by size1 to produce a bubble chart effect
layer1.setSymbolScale(size1);
// Output the chart
viewer.Chart = c;
//include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("clickable", "",
"title='{dataSetName} at ({value} km, {angle} deg)\nStrength = {z} Watt'");
}
