
This example demonstrates a multi-bar chart in which each data set has a different bar shape.
The bar shapes are specified using BarLayer.setBarShape. See Shape Specification on how built-in and custom shapes are defined in ChartDirector.
ChartDirector 6.1 (Java Edition)
Multi-Shape Bar Chart
Source Code Listing
<%@page import="ChartDirector.*" %> <% // The data for the bar chart double[] data0 = {100, 125, 245, 147}; double[] data1 = {85, 156, 179, 211}; double[] data2 = {97, 87, 56, 267}; String[] labels = {"1st Quarter", "2nd Quarter", "3rd Quarter", "4th Quarter"}; // Create a XYChart object of size 600 x 350 pixels XYChart c = new XYChart(600, 350); // Add a title to the chart using 14pt Arial Bold Italic font c.addTitle("Annual Product Revenue", "Arial Bold Italic", 14); // Set the plot area at (50, 60) and of size 500 x 240. Use two alternative background colors // (f8f8f8 and ffffff) c.setPlotArea(50, 60, 500, 240, 0xf8f8f8, 0xffffff); // Add a legend box at (55, 22) using horizontal layout, with transparent background c.addLegend(55, 22, false).setBackground(Chart.Transparent); // Set the x axis labels c.xAxis().setLabels(labels); // Draw the ticks between label positions (instead of at label positions) c.xAxis().setTickOffset(0.5); // Add a multi-bar layer with 3 data sets and 9 pixels 3D depth BarLayer layer = c.addBarLayer2(Chart.Side, 9); layer.addDataSet(data0, -1, "Product A"); layer.addDataSet(data1, -1, "Product B"); layer.addDataSet(data2, -1, "Product C"); // Set data set 1 to use a bar shape of a 6-pointed star layer.setBarShape(Chart.StarShape(6), 0); // Set data set 2 to use a bar shapre of a 6-sided polygon layer.setBarShape(Chart.PolygonShape(6), 1); // Set data set 3 to use an X bar shape layer.setBarShape(Chart.Cross2Shape(), 2); // Add a title to the y-axis c.yAxis().setTitle("Revenue (USD in millions)"); // Add a title to the x axis c.xAxis().setTitle("Year 2005"); // Output the chart String chart1URL = c.makeSession(request, "chart1"); // Include tool tip for the chart String imageMap1 = c.getHTMLImageMap("", "", "title='{dataSetName}: {xLabel} Revenue = {value} millions'"); %> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Multi-Shape Bar 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 multishapebar implements DemoModule { //Name of demo program public String toString() { return "Multi-Shape Bar 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 data for the bar chart double[] data0 = {100, 125, 245, 147}; double[] data1 = {85, 156, 179, 211}; double[] data2 = {97, 87, 56, 267}; String[] labels = {"1st Quarter", "2nd Quarter", "3rd Quarter", "4th Quarter"}; // Create a XYChart object of size 600 x 350 pixels XYChart c = new XYChart(600, 350); // Add a title to the chart using 14pt Arial Bold Italic font c.addTitle("Annual Product Revenue", "Arial Bold Italic", 14); // Set the plot area at (50, 60) and of size 500 x 240. Use two alternative background // colors (f8f8f8 and ffffff) c.setPlotArea(50, 60, 500, 240, 0xf8f8f8, 0xffffff); // Add a legend box at (55, 22) using horizontal layout, with transparent background c.addLegend(55, 22, false).setBackground(Chart.Transparent); // Set the x axis labels c.xAxis().setLabels(labels); // Draw the ticks between label positions (instead of at label positions) c.xAxis().setTickOffset(0.5); // Add a multi-bar layer with 3 data sets and 9 pixels 3D depth BarLayer layer = c.addBarLayer2(Chart.Side, 9); layer.addDataSet(data0, -1, "Product A"); layer.addDataSet(data1, -1, "Product B"); layer.addDataSet(data2, -1, "Product C"); // Set data set 1 to use a bar shape of a 6-pointed star layer.setBarShape(Chart.StarShape(6), 0); // Set data set 2 to use a bar shapre of a 6-sided polygon layer.setBarShape(Chart.PolygonShape(6), 1); // Set data set 3 to use an X bar shape layer.setBarShape(Chart.Cross2Shape(), 2); // Add a title to the y-axis c.yAxis().setTitle("Revenue (USD in millions)"); // Add a title to the x axis c.xAxis().setTitle("Year 2005"); // Output the chart viewer.setChart(c); //include tool tip for the chart viewer.setImageMap(c.getHTMLImageMap("clickable", "", "title='{dataSetName}: {xLabel} Revenue = {value} millions'")); } //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 multishapebar(); //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); } } |