ChartDirector 7.0 (Java Edition)

Surface Projection




This example demonstrates adding a surface projection to the XY wall using SurfaceChart.addXYProjection.

Source Code Listing

[JSP Version] jspdemo/surfaceprojection.jsp
<%@page import="ChartDirector.*, java.util.*" %> <% // The x and y coordinates of the grid double[] dataX = {0, 1, 2, 3, 4, 5, 6, 7, 8}; double[] dataY = {0, 1, 2, 3, 4, 5, 6, 7, 8}; // Use random numbers for the z values on the XY grid RanSeries r = new RanSeries(11); double[] dataZ = r.get2DSeries(dataX.length, dataY.length, 0.1, 1.9); // Create a SurfaceChart object of size 680 x 580 pixels SurfaceChart c = new SurfaceChart(680, 580); // Set the center of the plot region at (310, 280), and set width x depth x height to 320 x 320 x // 240 pixels c.setPlotRegion(310, 280, 320, 320, 240); // Set the elevation and rotation angles to 30 and 45 degrees c.setViewAngle(30, 45); // 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); // Add XY projection c.addXYProjection(); // Set contour lines to semi-transparent white (0x7fffffff) c.setContourColor(0x7fffffff); // Add a color axis (the legend) in which the left center is anchored at (620, 250). Set the length // to 200 pixels and the labels on the right side. c.setColorAxis(620, 250, Chart.Left, 200, Chart.Right); // Set the x, y and z axis titles using 12 pt Arial Bold font c.xAxis().setTitle("X Title<*br*>Placeholder", "Arial Bold", 12); c.yAxis().setTitle("Y Title<*br*>Placeholder", "Arial Bold", 12); c.zAxis().setTitle("Z Title Placeholder", "Arial Bold", 12); // Output the chart WebChartViewer viewer = new WebChartViewer(request, "chart1"); viewer.setChart(c, Chart.SVG); // Include tool tip for the chart viewer.setImageMap(c.getHTMLImageMap("", "", "title='<*cdml*>X: {x|2}<*br*>Y: {y|2}<*br*>Z: {z|2}'") ); %> <!DOCTYPE html> <html> <head> <title>Surface Projection</title> <!-- Include ChartDirector Javascript Library to support chart interactions --> <script type="text/javascript" src="cdjcv.js"></script> </head> <body style="margin:5px 0px 0px 5px"> <div style="font:bold 18pt verdana;"> Surface Projection </div> <hr style="border:solid 1px #000080; background:#000080" /> <div style="font:10pt verdana; margin-bottom:1.5em"> <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a> </div> <!-- ****** Here is the chart image ****** --> <%= viewer.renderHTML(response) %> </body> </html>