ANGLEPIE.jsp 1.92 KB
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Thitichaipun Wutthisak committed
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<%@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>