<%@page import="ChartDirector.*" %>
<%
// The x and y coordinates of the grid
double[] dataX = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8,
9, 10};
double[] dataY = {-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8,
9, 10};
// The values at the grid points. In this example, we will compute the values using
// the formula z = Sin(x * x / 128 - y * y / 256 + 3) * Cos(x / 4 + 1 - Exp(y / 8))
double[] dataZ = new double[(dataX.length) * (dataY.length)];
for (int yIndex = 0; yIndex < dataY.length; ++yIndex) {
double y = dataY[yIndex];
for (int xIndex = 0; xIndex < dataX.length; ++xIndex) {
double x = dataX[xIndex];
dataZ[yIndex * (dataX.length) + xIndex] = Math.sin(x * x / 128.0 - y * y /
256.0 + 3) * Math.cos(x / 4.0 + 1 - Math.exp(y / 8.0));
}
}
// Create a SurfaceChart object of size 750 x 600 pixels
SurfaceChart c = new SurfaceChart(750, 600);
// Add a title to the chart using 20 points Times New Roman Italic font
c.addTitle("Surface Energy Density ", "Times New Roman Italic", 20);
// Set the center of the plot region at (380, 260), and set width x depth x height to
// 360 x 360 x 270 pixels
c.setPlotRegion(380, 260, 360, 360, 270);
// Set the elevation and rotation angles to 30 and 210 degrees
c.setViewAngle(30, 210);
// Set the perspective level to 60
c.setPerspective(60);
// Set the data to use to plot the chart
c.setData(dataX, dataY, dataZ);
// Spline interpolate data to a 80 x 80 grid for a smooth surface
c.setInterpolation(80, 80);
// Use semi-transparent black (c0000000) for x and y major surface grid lines. Use
// dotted style for x and y minor surface grid lines.
int majorGridColor = 0xc0000000;
int minorGridColor = c.dashLineColor(majorGridColor, Chart.DotLine);
c.setSurfaceAxisGrid(majorGridColor, majorGridColor, minorGridColor, minorGridColor);
// Set contour lines to semi-transparent white (80ffffff)
c.setContourColor(0x80ffffff);
// Add a color axis (the legend) in which the left center is anchored at (665, 280).
// Set the length to 200 pixels and the labels on the right side.
c.setColorAxis(665, 280, Chart.Left, 200, Chart.Right);
// Set the x, y and z axis titles using 12 points Arial Bold font
c.xAxis().setTitle("X Title\nPlaceholder", "Arial Bold", 12);
c.yAxis().setTitle("Y Title\nPlaceholder", "Arial Bold", 12);
c.zAxis().setTitle("Z Title Placeholder", "Arial Bold", 12);
// Output the chart
String chart1URL = c.makeSession(request, "chart1", Chart.JPG);
%>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Surface Chart (3)
</div>
<hr color="#000080">
<div style="font-size:10pt; font-family:verdana; margin-bottom:1.5em">
<a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
</div>
<img src='<%=response.encodeURL("getchart.jsp?"+chart1URL)%>'>
</body>
</html> |