
This example demonstrates a scatter chart created using XYChart.addScatterLayer.
ChartDirector 6.1 (Java Edition)
Scatter Chart
Source Code Listing
<%@page import="ChartDirector.*" %> <% // The XY points for the scatter chart double[] dataX0 = {10, 15, 6, 12, 14, 8, 13, 13, 16, 12, 10.5}; double[] dataY0 = {130, 150, 80, 110, 110, 105, 130, 115, 170, 125, 125}; double[] dataX1 = {6, 12, 4, 3.5, 7, 8, 9, 10, 12, 11, 8}; double[] dataY1 = {65, 80, 40, 45, 70, 80, 80, 90, 100, 105, 60}; // Create a XYChart object of size 450 x 420 pixels XYChart c = new XYChart(450, 420); // Set the plotarea at (55, 65) 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, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1); // Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12pt Times Bold // Italic font. Set the background and border color to Transparent. c.addLegend(50, 30, false, "Times New Roman Bold Italic", 12).setBackground(Chart.Transparent); // Add a title to the chart using 18pt Times Bold Itatic font. c.addTitle("Genetically Modified Predator", "Times New Roman Bold Italic", 18); // Add a title to the y axis using 12pt Arial Bold Italic font c.yAxis().setTitle("Length (cm)", "Arial Bold Italic", 12); // Add a title to the x axis using 12pt Arial Bold Italic font c.xAxis().setTitle("Weight (kg)", "Arial Bold Italic", 12); // Set the axes line width to 3 pixels c.xAxis().setWidth(3); c.yAxis().setWidth(3); // Add an orange (0xff9933) scatter chart layer, using 13 pixel diamonds as symbols c.addScatterLayer(dataX0, dataY0, "Genetically Engineered", Chart.DiamondSymbol, 13, 0xff9933); // Add a green (0x33ff33) scatter chart layer, using 11 pixel triangles as symbols c.addScatterLayer(dataX1, dataY1, "Natural", Chart.TriangleSymbol, 11, 0x33ff33); // Output the chart String chart1URL = c.makeSession(request, "chart1"); // Include tool tip for the chart String imageMap1 = c.getHTMLImageMap("", "", "title='[{dataSetName}] Weight = {x} kg, Length = {value} cm'"); %> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Scatter Chart </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)%>' usemap="#map1" border="0"> <map name="map1"><%=imageMap1%></map> </body> </html> |
import java.awt.*; import java.awt.event.*; import javax.swing.*; import ChartDirector.*; public class scatter implements DemoModule { //Name of demo program public String toString() { return "Scatter Chart"; } //Number of charts produced in this demo public int getNoOfCharts() { return 1; } //Main code for creating charts public void createChart(ChartViewer viewer, int chartIndex) { // The XY points for the scatter chart double[] dataX0 = {10, 15, 6, 12, 14, 8, 13, 13, 16, 12, 10.5}; double[] dataY0 = {130, 150, 80, 110, 110, 105, 130, 115, 170, 125, 125}; double[] dataX1 = {6, 12, 4, 3.5, 7, 8, 9, 10, 12, 11, 8}; double[] dataY1 = {65, 80, 40, 45, 70, 80, 80, 90, 100, 105, 60}; // Create a XYChart object of size 450 x 420 pixels XYChart c = new XYChart(450, 420); // Set the plotarea at (55, 65) 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, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1); // Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12pt Times // Bold Italic font. Set the background and border color to Transparent. c.addLegend(50, 30, false, "Times New Roman Bold Italic", 12).setBackground( Chart.Transparent); // Add a title to the chart using 18pt Times Bold Itatic font. c.addTitle("Genetically Modified Predator", "Times New Roman Bold Italic", 18); // Add a title to the y axis using 12pt Arial Bold Italic font c.yAxis().setTitle("Length (cm)", "Arial Bold Italic", 12); // Add a title to the x axis using 12pt Arial Bold Italic font c.xAxis().setTitle("Weight (kg)", "Arial Bold Italic", 12); // Set the axes line width to 3 pixels c.xAxis().setWidth(3); c.yAxis().setWidth(3); // Add an orange (0xff9933) scatter chart layer, using 13 pixel diamonds as symbols c.addScatterLayer(dataX0, dataY0, "Genetically Engineered", Chart.DiamondSymbol, 13, 0xff9933); // Add a green (0x33ff33) scatter chart layer, using 11 pixel triangles as symbols c.addScatterLayer(dataX1, dataY1, "Natural", Chart.TriangleSymbol, 11, 0x33ff33); // Output the chart viewer.setChart(c); //include tool tip for the chart viewer.setImageMap(c.getHTMLImageMap("clickable", "", "title='[{dataSetName}] Weight = {x} kg, Length = {value} cm'")); } //Allow this module to run as standalone program for easy testing public static void main(String[] args) { //Instantiate an instance of this demo module DemoModule demo = new scatter(); //Create and set up the main window JFrame frame = new JFrame(demo.toString()); frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) {System.exit(0);} }); frame.getContentPane().setBackground(Color.white); // Create the chart and put them in the content pane ChartViewer viewer = new ChartViewer(); demo.createChart(viewer, 0); frame.getContentPane().add(viewer); // Display the window frame.pack(); frame.setVisible(true); } } |