ChartDirector 7.0 (Java Edition)
Box-Whisker Chart (2)
Source Code Listing
<%@page import="ChartDirector.*, java.util.*" %>
<%
// Sample data for the Box-Whisker chart. Represents the minimum, 1st quartile, medium, 3rd quartile
// and maximum values of some quantities
double[] Q0Data = {40, 45, 40, 30, 20, 50, 25, 44};
double[] Q1Data = {55, 60, 50, 40, 38, 60, 51, 60};
double[] Q2Data = {62, 70, 60, 50, 48, 70, 62, 70};
double[] Q3Data = {70, 80, 65, 60, 53, 78, 69, 76};
double[] Q4Data = {80, 90, 75, 70, 60, 85, 80, 84};
// The labels for the chart
String[] labels = {"A", "B", "C", "D", "E", "F", "G", "H"};
// Create a XYChart object of size 450 x 400 pixels
XYChart c = new XYChart(450, 400);
// Set the plotarea at (50, 30) and of size 380 x 340 pixels, with transparent background and border
// and light grey (0xcccccc) horizontal grid lines
c.setPlotArea(50, 30, 380, 340, Chart.Transparent, -1, Chart.Transparent, 0xcccccc);
// Add a title box using grey (0x555555) 18pt Arial font
TextBox title = c.addTitle(" Pattern Recognition Accuracy", "Arial", 18, 0x555555);
// Set the x and y axis stems to transparent and the label font to 12pt Arial
c.xAxis().setColors(Chart.Transparent);
c.yAxis().setColors(Chart.Transparent);
c.xAxis().setLabelStyle("Arial", 12);
c.yAxis().setLabelStyle("Arial", 12);
// Set the labels on the x axis
c.xAxis().setLabels(labels);
// For the automatic y-axis labels, set the minimum spacing to 30 pixels.
c.yAxis().setTickDensity(30);
// Add a box whisker layer using light blue (0x99ccee) for the fill color and blue (0x6688aa) for
// the whisker color. Set line width to 2 pixels. Use rounded corners and bar lighting effect.
BoxWhiskerLayer b = c.addBoxWhiskerLayer(Q3Data, Q1Data, Q4Data, Q0Data, Q2Data, 0x99ccee, 0x6688aa)
;
b.setLineWidth(2);
b.setRoundedCorners();
b.setBorderColor(Chart.Transparent, Chart.barLighting());
// Adjust the plot area to fit under the title with 10-pixel margin on the other three sides.
c.packPlotArea(10, title.getHeight(), c.getWidth() - 10, c.getHeight() - 10);
// 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='[{xLabel}] min/med/max = {min}/{med}/{max}\nInter-quartile range: {bottom} to {top}'"));
%>
<!DOCTYPE html>
<html>
<head>
<title>Box-Whisker Chart (2)</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;">
Box-Whisker Chart (2)
</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>