org.jfree.chart.renderer.xy.XYBlockRenderer Java Examples

@Override
public AbstractXYItemRenderer getItemRenderer(boolean nominal, int size, double minColor, double maxColor) {
	XYBlockRenderer renderer = new XYBlockRenderer();
	renderer.setPaintScale(new BlockPaintScale(minColor, maxColor));
	renderer.setBlockAnchor(RectangleAnchor.CENTER);

	// if Block dimension is increased (e.g 1.2x1.2), the grid effect gets bigger
	// so it could be that blocks are overlapping a little
	// but if Block dimension is decreased (e.g. 0.9x0.9), each rectangle seems to have
	// a less-transparent border (you have to zoom-in to notice), and that could be the cause of
	// the grid effect.
	// renderer.setBlockHeight(1.0);
	// renderer.setBlockWidth(1.0);

	return renderer;
}
 

@Override
protected void initRenderer(final IScope scope) {
	// TODO Auto-generated method stub
	final XYPlot plot = (XYPlot) this.chart.getPlot();
	defaultrenderer = new XYBlockRenderer();
	plot.setRenderer((XYBlockRenderer) defaultrenderer);

}
 

/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {

    // default instances
    XYBlockRenderer r1 = new XYBlockRenderer();
    XYBlockRenderer r2 = new XYBlockRenderer();
    assertTrue(r1.equals(r2));
    assertTrue(r2.equals(r1));

    // blockHeight
    r1.setBlockHeight(2.0);
    assertFalse(r1.equals(r2));
    r2.setBlockHeight(2.0);
    assertTrue(r1.equals(r2));

    // blockWidth
    r1.setBlockWidth(2.0);
    assertFalse(r1.equals(r2));
    r2.setBlockWidth(2.0);
    assertTrue(r1.equals(r2));

    // paintScale
    r1.setPaintScale(new GrayPaintScale(0.0, 1.0));
    assertFalse(r1.equals(r2));
    r2.setPaintScale(new GrayPaintScale(0.0, 1.0));
    assertTrue(r1.equals(r2));

}
 

/**
 * Two objects that are equal are required to return the same hashCode.
 */
public void testHashcode() {
    XYBlockRenderer r1 = new XYBlockRenderer();
    XYBlockRenderer r2 = new XYBlockRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 

/**
 * A simple test for bug 1766646.
 */
public void testBug1766646A() {
    XYBlockRenderer r = new XYBlockRenderer();
    Range range = r.findDomainBounds(null);
    assertTrue(range == null);
    DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
    range = r.findDomainBounds(emptyDataset);
    assertTrue(range == null);
}
 

/**
 * A simple test for bug 1766646.
 */
public void testBug1766646B() {
    XYBlockRenderer r = new XYBlockRenderer();
    Range range = r.findRangeBounds(null);
    assertTrue(range == null);
    DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
    range = r.findRangeBounds(emptyDataset);
    assertTrue(range == null);
}
 

/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {
    
    // default instances
    XYBlockRenderer r1 = new XYBlockRenderer();
    XYBlockRenderer r2 = new XYBlockRenderer();
    assertTrue(r1.equals(r2));
    assertTrue(r2.equals(r1));
    
    // blockHeight
    r1.setBlockHeight(2.0);
    assertFalse(r1.equals(r2));
    r2.setBlockHeight(2.0);
    assertTrue(r1.equals(r2));

    // blockWidth
    r1.setBlockWidth(2.0);
    assertFalse(r1.equals(r2));
    r2.setBlockWidth(2.0);
    assertTrue(r1.equals(r2));
    
    // paintScale
    r1.setPaintScale(new GrayPaintScale(0.0, 1.0));
    assertFalse(r1.equals(r2));
    r2.setPaintScale(new GrayPaintScale(0.0, 1.0));
    assertTrue(r1.equals(r2));
    
}
 

/**
 * Two objects that are equal are required to return the same hashCode. 
 */
public void testHashcode() {
    XYBlockRenderer r1 = new XYBlockRenderer();
    XYBlockRenderer r2 = new XYBlockRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 

/**
 * A simple test for bug 1766646.
 */
public void testBug1766646A() {
    XYBlockRenderer r = new XYBlockRenderer();
    Range range = r.findDomainBounds(null);
    assertTrue(range == null);
    DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
    range = r.findDomainBounds(emptyDataset);
    assertTrue(range == null);
}
 

/**
 * A simple test for bug 1766646.
 */
public void testBug1766646B() {
    XYBlockRenderer r = new XYBlockRenderer();
    Range range = r.findRangeBounds(null);
    assertTrue(range == null);
    DefaultXYZDataset emptyDataset = new DefaultXYZDataset();
    range = r.findRangeBounds(emptyDataset);
    assertTrue(range == null);
}
 

private static JFreeChart createChart(XYZDataset dataset, double[] mins, double[] maxs, int nPoints, XYDataset xyData) {
    NumberAxis xAxis = new NumberAxis("X");
    xAxis.setRange(mins[0],maxs[0]);


    NumberAxis yAxis = new NumberAxis("Y");
    yAxis.setRange(mins[1], maxs[1]);

    XYBlockRenderer renderer = new XYBlockRenderer();
    renderer.setBlockWidth((maxs[0]-mins[0])/(nPoints-1));
    renderer.setBlockHeight((maxs[1] - mins[1]) / (nPoints - 1));
    PaintScale scale = new GrayPaintScale(0, 1.0);
    renderer.setPaintScale(scale);
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinesVisible(false);
    plot.setRangeGridlinesVisible(false);
    plot.setAxisOffset(new RectangleInsets(5, 5, 5, 5));
    JFreeChart chart = new JFreeChart("", plot);
    chart.getXYPlot().getRenderer().setSeriesVisibleInLegend(0, false);


    NumberAxis scaleAxis = new NumberAxis("Probability (class 0)");
    scaleAxis.setAxisLinePaint(Color.white);
    scaleAxis.setTickMarkPaint(Color.white);
    scaleAxis.setTickLabelFont(new Font("Dialog", Font.PLAIN, 7));
    PaintScaleLegend legend = new PaintScaleLegend(new GrayPaintScale(),
            scaleAxis);
    legend.setStripOutlineVisible(false);
    legend.setSubdivisionCount(20);
    legend.setAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
    legend.setAxisOffset(5.0);
    legend.setMargin(new RectangleInsets(5, 5, 5, 5));
    legend.setFrame(new BlockBorder(Color.red));
    legend.setPadding(new RectangleInsets(10, 10, 10, 10));
    legend.setStripWidth(10);
    legend.setPosition(RectangleEdge.LEFT);
    chart.addSubtitle(legend);

    ChartUtilities.applyCurrentTheme(chart);

    plot.setDataset(1, xyData);
    XYLineAndShapeRenderer renderer2 = new XYLineAndShapeRenderer();
    renderer2.setBaseLinesVisible(false);
    plot.setRenderer(1, renderer2);

    plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);

    return chart;
}
 

protected void resetRenderer(final IScope scope, final String serieid) {
	final XYBlockRenderer newr = (XYBlockRenderer) this.getOrCreateRenderer(scope, serieid);

	// newr.setSeriesStroke(0, new BasicStroke(0));
	final ChartDataSeries myserie = this.getChartdataset().getDataSeries(scope, serieid);

	if (myserie.getMycolor() != null) {
		newr.setSeriesPaint(0, myserie.getMycolor());
	}
	if (myserie.getSValues(scope).size() > 0) {
		final double maxval = Collections.max(myserie.getSValues(scope));
		final double minval = Collections.min(myserie.getSValues(scope));
		Color cdeb = new Color(0, 0, 0, 0);
		if (myserie.getMyMincolor() != null) {
			cdeb = myserie.getMyMincolor();
		}
		Color cend = new Color(0.9f, 0.9f, 0.9f, 1.0f);
		if (myserie.getMycolor() != null) {
			cend = myserie.getMycolor();
		}

		LookupPaintScale paintscale = createLUT(100, (float) minval, (float) maxval, cdeb, cend);
		if (myserie.getMyMedcolor() != null) {
			paintscale = createLUT(100, (float) minval, (float) maxval, cdeb, myserie.getMyMedcolor(), cend);
		}

		newr.setPaintScale(paintscale);

		final NumberAxis scaleAxis = new NumberAxis(myserie.getName());
		scaleAxis.setAxisLinePaint(this.axesColor);
		scaleAxis.setTickMarkPaint(this.axesColor);
		scaleAxis.setTickLabelFont(this.getTickFont());
		scaleAxis.setRange(minval, maxval);
		scaleAxis.setAxisLinePaint(axesColor);
		scaleAxis.setLabelFont(getLabelFont());
		if (textColor != null) {
			scaleAxis.setLabelPaint(textColor);
			scaleAxis.setTickLabelPaint(textColor);
		}
		if (!this.getXTickValueVisible(scope)) {
			scaleAxis.setTickMarksVisible(false);
			scaleAxis.setTickLabelsVisible(false);

		}

		final PaintScaleLegend legend = new PaintScaleLegend(paintscale, scaleAxis);
		legend.setAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
		legend.setAxisOffset(5.0);
		// legend.setMargin(new RectangleInsets(5, 5, 5, 5));
		// legend.setFrame(new BlockBorder(Color.red));
		// legend.setPadding(new RectangleInsets(10, 10, 10, 10));
		// legend.setStripWidth(10);
		legend.setPosition(RectangleEdge.RIGHT);
		legend.setBackgroundPaint(this.backgroundColor);
		// ArrayList<PaintScaleLegend> caxe=new
		// ArrayList<PaintScaleLegend>();
		// caxe.add(legend);
		// chart.setSubtitles(caxe);
		if (!this.series_label_position.equals("none")) {
			chart.addSubtitle(legend);
		}

	}
}
 

/**
 * Verify that this class implements {@link PublicCloneable}.
 */
public void testPublicCloneable() {
    XYBlockRenderer r1 = new XYBlockRenderer();
    assertTrue(r1 instanceof PublicCloneable);
}