<%@page import="ChartDirector.*" %> <% //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 15pts Arial Bold Italic //font c.addTitle2(Chart.TopLeft, "<*underline=2*>EM Field Strength", "arialbi.ttf", 15 ); //Set center of plot area at (230, 240) with radius 180 pixels c.setPlotArea(230, 240, 180); //Set the grid style to circular grid c.setGridStyle(false); //Add a legend box at the top right corner of the chart using 9 pts Arial Bold //font c.addLegend(459, 0, true, "arialbd.ttf", 9).setAlignment(Chart.TopRight); //Set angular axis as 0 - 360, either 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 request.getSession().setAttribute("chart1", c.makeChart2(Chart.PNG)); %> <html> <body topmargin=0 leftmargin=5 rightmargin=0 marginwidth=5 marginheight=0> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Polar Bubble Chart </div> <hr color="#000080"> <div style="font-size:10pt; font-family:verdana"> <a href="VIEWSOURCE.jsp?file=<%=request.getServletPath()%>"> View Chart Source Code </a> </div> <br> <img src="chart1.chart?no_cache=<%=Chart.getUniqueId()%>"> </body> </html>