<%@page import="ChartDirector.*" %>
<%!
void createChart(HttpServletRequest request, String img)
{
//query string to determine the starting angle and direction
int angle = 0;
boolean clockwise = true;
if (!img.equals("0")) {
angle = 90;
clockwise = false;
}
//The data for the pie chart
double[] data = {25, 18, 15, 12, 8, 30, 35};
//The labels for the pie chart
String[] labels = {"Labor", "Licenses", "Taxes", "Legal", "Insurance",
"Facilities", "Production"};
//Create a PieChart object of size 280 x 240 pixels
PieChart c = new PieChart(280, 240);
//Set the center of the pie at (140, 130) and the radius to 80 pixels
c.setPieSize(140, 130, 80);
//Add a title to the pie to show the start angle and direction
if (clockwise) {
c.addTitle("Start Angle = " + angle + " degrees\nDirection = Clockwise")
;
} else {
c.addTitle("Start Angle = " + angle +
" degrees\nDirection = AntiClockwise");
}
//Set the pie start angle and direction
c.setStartAngle(angle, clockwise);
//Draw the pie in 3D
c.set3D();
//Set the pie data and the pie labels
c.setData(data, labels);
//Explode the 1st sector (index = 0)
c.setExplode(0);
//output the chart
request.getSession().setAttribute("chart" + img, c.makeChart2(Chart.PNG));
}
%>
<%
createChart(request, "0");
createChart(request, "1");
%>
<html>
<body topmargin=0 leftmargin=5 rightmargin=0 marginwidth=5 marginheight=0>
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Start Angle and Direction
</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="chart0.chart?no_cache=<%=Chart.getUniqueId()%>">
<img src="chart1.chart?no_cache=<%=Chart.getUniqueId()%>">
</body>
</html>