<%@page import="ChartDirector.*" %>
<%
// The x and y coordinates of the grid
double[] dataX = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0};
double[] dataY = {0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0};
// The values at the grid points. In this example, we will compute the values using the formula z =
// sin((x - 0.5) * 2 * pi) * sin((y - 0.5) * 2 * pi)
double[] dataZ = new double[dataX.length * dataY.length];
for (int yIndex = 0; yIndex < dataY.length; ++yIndex) {
double y = (dataY[yIndex] - 0.5) * 2 * 3.1416;
for (int xIndex = 0; xIndex < dataX.length; ++xIndex) {
double x = (dataX[xIndex] - 0.5) * 2 * 3.1416;
dataZ[yIndex * dataX.length + xIndex] = Math.sin(x) * Math.sin(y);
}
}
// Create a SurfaceChart object of size 720 x 540 pixels
SurfaceChart c = new SurfaceChart(720, 540);
// Add a title to the chart using 20 points Times New Roman Italic font
c.addTitle("Quantum Wave Function", "Times New Roman Italic", 20);
// Set the center of the plot region at (360, 245), and set width x depth x height to 360 x 360 x
// 270 pixels
c.setPlotRegion(360, 245, 360, 360, 270);
// Set the elevation and rotation angles to 20 and 30 degrees
c.setViewAngle(20, 30);
// 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);
// Set surface grid lines to semi-transparent black (dd000000)
c.setSurfaceAxisGrid(0xdd000000);
// 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 (645, 270). Set the length
// to 200 pixels and the labels on the right side. Use smooth gradient coloring.
c.setColorAxis(645, 270, Chart.Left, 200, Chart.Right).setColorGradient();
// Set the x, y and z axis titles using 10 points Arial Bold font
c.xAxis().setTitle("x/L(x)", "Arial Bold", 10);
c.yAxis().setTitle("y/L(y)", "Arial Bold", 10);
c.zAxis().setTitle("Wave Function Amplitude", "Arial Bold", 10);
// 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 (2)
</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> |