Example of using PolygonPainter with a StackedTimePlot2D.

TimelineShapeDrawingExample.java

import com.metsci.glimpse.examples.Example;
import com.metsci.glimpse.layout.GlimpseAxisLayout2D;
import com.metsci.glimpse.painter.shape.PolygonPainter;
import com.metsci.glimpse.plot.timeline.StackedTimePlot2D;
import com.metsci.glimpse.plot.timeline.data.Epoch;
import com.metsci.glimpse.plot.timeline.layout.TimePlotInfo;
import com.metsci.glimpse.support.color.GlimpseColor;
import com.metsci.glimpse.support.settings.OceanLookAndFeel;
import com.metsci.glimpse.util.units.time.Time;
import com.metsci.glimpse.util.units.time.TimeStamp;

public class TimelineShapeDrawingExample extends CollapsibleTimelinePlotExample
{
    public static void main( String[] args ) throws Exception
    {
        Example example = Example.showWithSwing( new TimelineShapeDrawingExample( ) );

        // use the ocean look and feel
        example.getCanvas( ).setLookAndFeel( new OceanLookAndFeel( ) );
    }

    @Override
    public StackedTimePlot2D getLayout( )
    {
        StackedTimePlot2D plot = super.getLayout( );

        // get a reference to one of the plots
        TimePlotInfo plotInfo = plot.getTimePlot( "speed-plot-1-id" );

        // get the GlimpseLayout for the plot (to which painters can be added
        // in order to add arbitrary graphics to the plot)
        GlimpseAxisLayout2D plotLayout = plotInfo.getLayout( );

        // create a painter for displaying polygonal shapes
        PolygonPainter polygonPainter = new PolygonPainter( );
        plotLayout.addPainter( polygonPainter );

        // get the timestamp which we'll start drawing our shape at
        Epoch epoch = plot.getEpoch( );
        TimeStamp baseTime = epoch.getTimeStamp( );

        // build the x and y coordinates of the polygon vertices
        float[] coordsX = new float[5];
        float[] coordsY = new float[5];

        coordsX[0] = ( float ) epoch.fromTimeStamp( baseTime.add( Time.fromHours( 1 ) ) );
        coordsX[1] = ( float ) epoch.fromTimeStamp( baseTime.add( Time.fromHours( 0.2 ) ) );
        coordsX[2] = ( float ) epoch.fromTimeStamp( baseTime.add( Time.fromHours( 0.4 ) ) );
        coordsX[3] = ( float ) epoch.fromTimeStamp( baseTime.add( Time.fromHours( 0.6 ) ) );
        coordsX[4] = ( float ) epoch.fromTimeStamp( baseTime.add( Time.fromHours( 1 ) ) );

        coordsY[0] = 0.0f;
        coordsY[1] = 1.0f;
        coordsY[2] = 10.0f;
        coordsY[3] = 2.0f;
        coordsY[4] = 10.0f;

        // each polygon is assigned a groupId
        // the appearance of the polygons are customized by groups so many
        // polygons with the same display characteristics can be drawn efficiently
        int groupId = 0;
        int polygonId = 0;

        // add the polygon
        polygonPainter.addPolygon( groupId, polygonId, coordsX, coordsY, 0.0f );

        // customize the polygon's appearance
        polygonPainter.setFill( groupId, true );
        polygonPainter.setFillColor( groupId, GlimpseColor.getGray( 0.3f ) );
        polygonPainter.setLineWidth( groupId, 3.0f );
        polygonPainter.setLineColor( groupId, GlimpseColor.getGray( 0.9f ) );

        return plot;
    }
}