<%@page import="ChartDirector.*" %>
<%!
void createChart(HttpServletRequest request, String img)
{
//The data for the chart
double[] data = {5.5, 3.5, -3.7, 1.7, -1.4, 3.3};
String[] labels = {"Jan", "Feb", "Mar", "Apr", "May", "Jun"};
//Create a XYChart object of size 200 x 180 pixels
XYChart c = new XYChart(200, 180);
//Set the plot area at (30, 20) and of size 140 x 130 pixels
c.setPlotArea(30, 20, 140, 130);
//Configure the axis as according to the input parameter
if (img.equals("0")) {
c.addTitle("No Axis Extension", "arial.ttf", 8);
} else if (img.equals("1")) {
c.addTitle("Top/Bottom Extensions = 0/0", "arial.ttf", 8);
//Reserve 20% margin at top of plot area when auto-scaling
c.yAxis().setAutoScale(0, 0);
} else if (img.equals("2")) {
c.addTitle("Top/Bottom Extensions = 0.2/0.2", "arial.ttf", 8);
//Reserve 20% margin at top and bottom of plot area when auto-scaling
c.yAxis().setAutoScale(0.2, 0.2);
} else if (img.equals("3")) {
c.addTitle("Axis Top Margin = 15", "arial.ttf", 8);
//Reserve 15 pixels at top of plot area
c.yAxis().setMargin(15);
} else {
c.addTitle("Manual Scale -5 to 10", "arial.ttf", 8);
//Set the y axis to scale from -5 to 10, with ticks every 5 units
c.yAxis().setLinearScale(-5, 10, 5);
}
//Set the labels on the x axis
c.xAxis().setLabels(labels);
//Add a color bar layer using the given data. Use a 1 pixel 3D border for
//the bars.
c.addBarLayer3(data).setBorderColor(-1, 1);
//output the chart
request.getSession().setAttribute("chart" + img, c.makeChart2(Chart.PNG));
}
%>
<%
createChart(request, "0");
createChart(request, "1");
createChart(request, "2");
createChart(request, "3");
createChart(request, "4");
%>
<html>
<body topmargin=0 leftmargin=5 rightmargin=0 marginwidth=5 marginheight=0>
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Y-Axis Scaling
</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()%>">
<img src="chart2.chart?no_cache=<%=Chart.getUniqueId()%>">
<img src="chart3.chart?no_cache=<%=Chart.getUniqueId()%>">
<img src="chart4.chart?no_cache=<%=Chart.getUniqueId()%>">
</body>
</html>