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SCATTERSYMBOLS.jsp 2.27 KB
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UPGIT
52c04862
 
Thitichaipun Wutthisak committed
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<%@page import="ChartDirector.*" %>
<%!
//Utility function to get the real path given a relative URL
String MapPath(HttpServletRequest request, String path)
{
    String realPath = request.getRealPath(request.getServletPath());
    if (realPath == null)
        //some web servers have bugs and real path must be obtained as follows
        realPath = request.getRealPath(request.getRequestURI());
    return new java.io.File(realPath).getParent() + "/" + path;
}
%>
<%
//The XY points for the scatter chart
double[] dataX = {200, 400, 300, 250, 500};
double[] dataY = {40, 100, 50, 150, 250};

//The custom symbols for the points
String[] symbols = {"robot1.png", "robot2.png", "robot3.png", "robot4.png",
    "robot5.png"};

//Create a XYChart object of size 450 x 400 pixels
XYChart c = new XYChart(450, 400);

//Set the plotarea at (55, 40) and of size 350 x 300 pixels, with a light grey
//border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light
//grey color (0xc0c0c0)
c.setPlotArea(55, 40, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);

//Add a title to the chart using 18 pts Times Bold Itatic font.
c.addTitle("Battle Robots", "timesbi.ttf", 18);

//Add a title to the y axis using 12 pts Arial Bold Italic font
c.yAxis().setTitle("Speed (km/s)", "arialbi.ttf", 12);

//Add a title to the y axis using 12 pts Arial Bold Italic font
c.xAxis().setTitle("Range (km)", "arialbi.ttf", 12);

//Set the axes line width to 3 pixels
c.xAxis().setWidth(3);
c.yAxis().setWidth(3);

//Add each point of the data as a separate scatter layer, so that they can have
//a different symbol
for(int i = 0; i < dataX.length; ++i) {
    c.addScatterLayer(new double[]{dataX[i]}, new double[]{dataY[i]}
        ).getDataSet(0).setDataSymbol(MapPath(request, symbols[i]));
}

//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">
    Custom Scatter Symbols
</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>