<%@page import="ChartDirector.*" %>
<%
// The data for the chart
double[] data0 = {90, 25, 40, 55, 68, 44, 79, 85, 50};
double[] angles0 = {15, 60, 110, 180, 230, 260, 260, 310, 340};
double[] data1 = {80, 91, 66, 80, 92, 87};
double[] angles1 = {40, 65, 88, 110, 150, 200};
// Create a PolarChart object of size 460 x 500 pixels, with a grey (e0e0e0)
// background and 1 pixel 3D border
PolarChart c = new PolarChart(460, 500, 0xe0e0e0, 0x000000, 1);
//Set search path to current JSP directory for loading icon images
c.setSearchPath(getServletConfig().getServletContext(), request);
// Add a title to the chart at the top left corner using 15pts Arial Bold Italic
// font. Use a wood pattern as the title background.
c.addTitle("Polar Line Chart Demo", "Arial Bold Italic", 15).setBackground(
c.patternColor("wood.png"));
// Set center of plot area at (230, 280) with radius 180 pixels, and white (ffffff)
// background.
c.setPlotArea(230, 280, 180, 0xffffff);
// Set the grid style to circular grid, with grids below the chart layers
c.setGridStyle(false, false);
// Add a legend box at top-center of plot area (230, 35) using horizontal layout. Use
// 10 pts Arial Bold font, with 1 pixel 3D border effect.
LegendBox b = c.addLegend(230, 35, false, "Arial Bold", 9);
b.setAlignment(Chart.TopCenter);
b.setBackground(Chart.Transparent, Chart.Transparent, 1);
// Set angular axis as 0 - 360, with a spoke every 30 units
c.angularAxis().setLinearScale(0, 360, 30);
// Add a blue (0xff) line layer to the chart using (data0, angle0)
PolarLineLayer layer0 = c.addLineLayer(data0, 0x0000ff, "Close Loop Line");
layer0.setAngles(angles0);
// Set the line width to 2 pixels
layer0.setLineWidth(2);
// Use 11 pixel triangle symbols for the data points
layer0.setDataSymbol(Chart.TriangleSymbol, 11);
// Enable data label and set its format
layer0.setDataLabelFormat("({value},{angle})");
// Set the data label text box with light blue (0x9999ff) backgruond color and 1
// pixel 3D border effect
layer0.setDataLabelStyle().setBackground(0x9999ff, Chart.Transparent, 1);
// Add a red (0xff0000) line layer to the chart using (data1, angle1)
PolarLineLayer layer1 = c.addLineLayer(data1, 0xff0000, "Open Loop Line");
layer1.setAngles(angles1);
// Set the line width to 2 pixels
layer1.setLineWidth(2);
// Use 11 pixel diamond symbols for the data points
layer1.setDataSymbol(Chart.DiamondSymbol, 11);
// Set the line to open loop
layer1.setCloseLoop(false);
// Enable data label and set its format
layer1.setDataLabelFormat("({value},{angle})");
// Set the data label text box with light red (0xff9999) backgruond color and 1 pixel
// 3D border effect
layer1.setDataLabelStyle().setBackground(0xff9999, Chart.Transparent, 1);
// Output the chart
String chart1URL = c.makeSession(request, "chart1");
// Include tool tip for the chart
String imageMap1 = c.getHTMLImageMap("", "",
"title='[{dataSetName}] ({radius}, {angle})'");
%>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Polar Line Chart
</div>
<hr color="#000080">
<div style="font-size:10pt; font-family:verdana; margin-bottom:1.5em">
<a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
</div>
<img src='<%=response.encodeURL("getchart.jsp?"+chart1URL)%>'
usemap="#map1" border="0">
<map name="map1"><%=imageMap1%></map>
</body>
</html> |