Multi-Cylinder Chart

[JSP Version] jspdemo/multicylinder.jsp
<%@page import="ChartDirector.*, java.util.*" %>
<%
// Data for the chart
double[] data0 = {100, 125, 245, 147, 67, 96, 160, 145, 97, 167, 220, 125};
double[] data1 = {85, 156, 179, 211, 123, 225, 127, 99, 111, 260, 175, 156};
double[] data2 = {97, 87, 56, 267, 157, 157, 67, 156, 77, 87, 197, 87};
String[] labels = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov",
    "Dec"};

// Create a XYChart object of size 560 x 280 pixels.
XYChart c = new XYChart(560, 280);

// Add a title to the chart using 14pt Arial Bold Italic font
c.addTitle("     Average Weekly Network Load", "Arial Bold Italic", 14);

// Set the plotarea at (50, 50) and of 500 x 200 pixels in size. Use alternating light grey (f8f8f8)
// / white (ffffff) background. Set border to transparent and use grey (CCCCCC) dotted lines as
// horizontal and vertical grid lines
c.setPlotArea(50, 50, 500, 200, 0xffffff, 0xf8f8f8, Chart.Transparent, c.dashLineColor(0xcccccc,
    Chart.DotLine), c.dashLineColor(0xcccccc, Chart.DotLine));

// Add a legend box at (50, 22) using horizontal layout. Use 10 pt Arial Bold Italic font, with
// transparent background
c.addLegend(50, 22, false, "Arial Bold Italic", 10).setBackground(Chart.Transparent);

// Set the x axis labels
c.xAxis().setLabels(labels);

// Draw the ticks between label positions (instead of at label positions)
c.xAxis().setTickOffset(0.5);

// Add axis title
c.yAxis().setTitle("Throughput (MBytes Per Hour)");

// Set axis line width to 2 pixels
c.xAxis().setWidth(2);
c.yAxis().setWidth(2);

// Add a multi-bar layer with 3 data sets
BarLayer layer = c.addBarLayer2(Chart.Side);
layer.addDataSet(data0, 0xff0000, "Server #1");
layer.addDataSet(data1, 0x00ff00, "Server #2");
layer.addDataSet(data2, 0x0000ff, "Server #3");

// Set bar shape to circular (cylinder)
layer.setBarShape(Chart.CircleShape);

// Configure the bars within a group to touch each others (no gap)
layer.setBarGap(0.2, Chart.TouchBar);

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(c, Chart.SVG);

// Include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("", "",
    "title='{dataSetName} on {xLabel}: {value} MBytes/hour'"));
%>
<!DOCTYPE html>
<html>
<head>
    <title>Multi-Cylinder Chart</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        Multi-Cylinder Chart
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
    </div>
    <!-- ****** Here is the chart image ****** -->
    <%= viewer.renderHTML(response) %>
</body>
</html>