// ChangeMarkers:

    // To change the marker symbols in the risk map:
    //   1) Define a MarkerStyle for the plot markers
    //   2) Use the RiskMapPlotModel's data element styles to call the
    //      setMarkerStyles() method

    import com.sas.graphics.components.MarkerStyle;
    import com.sas.graphics.components.PlotVariable;
    import com.sas.graphics.components.SegmentedRangeModel;
    import com.sas.graphics.components.riskmapplot.RiskMapPlot;
    import com.sas.graphics.components.riskmapplot.RiskMapPlotModel;
    import com.sas.graphics.components.riskmapplot.RiskMapPlotTableDataModel;
    import com.sas.graphics.components.riskmapplot.SimpleRiskMap;
    import javax.swing.table.DefaultTableModel;
    import java.awt.BorderLayout;
    import java.awt.Color;
    import java.awt.GridLayout;
    import java.awt.Container;
    import java.awt.event.WindowAdapter;
    import java.awt.event.WindowEvent;
    import javax.swing.JFrame;
    import javax.swing.JPanel;

    public class ChangeMarkers extends JPanel {
      private ChangeMarkers  theApp;
      public ChangeMarkers () {
          setLayout(new BorderLayout());

         Data dataTable = new Data();  // defined below

         RiskMapPlotTableDataModel dataModel=
           new RiskMapPlotTableDataModel(dataTable);
         dataModel.setXVariable(new PlotVariable("Systolic Blood Pressure"));
         dataModel.setYVariable(new PlotVariable("Blood Sugar"));

         SegmentedRangeModel xRange = SegmentedRangeModel.
           newSegmentedRangeModel(new double[]{0, 120, 135, 160, 200});
         SegmentedRangeModel yRange = SegmentedRangeModel.
           newSegmentedRangeModel(new double[]{0, 100, 120, 160, 400});

         SimpleRiskMap simpleRiskMap = new SimpleRiskMap(xRange, yRange,
           new Color[]{Color.GREEN,Color.YELLOW, Color.ORANGE, Color.RED},
           SimpleRiskMap.TYPE_BLOCK);

         RiskMapPlot riskMapPlot = new RiskMapPlot(dataModel);
         RiskMapPlotModel graphModel=riskMapPlot.getGraphModel();
         graphModel.setRiskMap(simpleRiskMap);

    //   1) Define a MarkerStyle for the plot markers
         MarkerStyle[] markerStyle=new MarkerStyle[] {
           new MarkerStyle(MarkerStyle.SYMBOL_SQUARE_FILLED)};

    //   2) Use the RiskMapPlotModel's data element styles to call the
    //      setMarkerStyles() method
         graphModel.getDataElementStyles().setMarkerStyles(markerStyle);

         add(riskMapPlot, BorderLayout.CENTER);
      }
      private static class Data extends DefaultTableModel
      {
         private Class   columnClass[] = {Double.class, Double.class};
         private String  columnNames[] = {"Blood Sugar", "Systolic Blood Pressure"};
         private Object  data[][]      = {
           {new Double(140), new Double(95)},
           {new Double(205), new Double(145)},
           {new Double(175), new Double(152)},
           {new Double(300), new Double(142)},
           {new Double(230), new Double(115)},
           {new Double(125), new Double(125)}
         };
         public Data()
         {
           super();
           setDataVector(data, columnNames);
         }
         public Class getColumnClass(int column)
         {
           return columnClass[column];
         }
      }
      public static void main(String[] args) {
         JFrame frame = new JFrame("BIP Graph Sample");
         Container container = frame.getContentPane();
         container.setLayout(new BorderLayout());
         container.setBackground(Color.white);

         JPanel bipPanel = new JPanel();
         bipPanel.setLayout(new BorderLayout());
         ChangeMarkers  bipGraphSample = new ChangeMarkers();

         bipPanel.add(bipGraphSample, BorderLayout.CENTER);
         container.add(bipPanel, BorderLayout.CENTER);
         frame.setSize(600,450);
         frame.addWindowListener(
           new WindowAdapter() {
             public void windowClosing(WindowEvent e) {
               System.exit(0);
             }
           }
         );
         frame.setVisible(true);
      }
    }