org.jfree.chart.renderer.PaintScale Java Examples

/**
 * Creates a new instance.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    if (axis == null) {
        throw new IllegalArgumentException("Null 'axis' argument.");
    }
    this.scale = scale;
    this.axis = axis;
    this.axis.addChangeListener(this);
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.axis.setRange(scale.getLowerBound(), scale.getUpperBound());
    this.stripWidth = 15.0;
    this.stripOutlineVisible = true;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
    this.subdivisions = 100;
}
 

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted).
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset,
        PaintScale paintScale) {

    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(paintScale, "paintScale");
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}
 

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted).
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset,
        PaintScale paintScale) {

    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }
    if (paintScale == null) {
        throw new IllegalArgumentException("Null 'paintScale' argument.");
    }
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}
 

/**
 * Creates a new instance.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    ParamChecks.nullNotPermitted(axis, "axis");
    this.scale = scale;
    this.axis = axis;
    this.axis.addChangeListener(this);
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.axis.setRange(scale.getLowerBound(), scale.getUpperBound());
    this.stripWidth = 15.0;
    this.stripOutlineVisible = true;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
    this.subdivisions = 100;
}
 

/**
 * Creates a new instance.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    ParamChecks.nullNotPermitted(axis, "axis");
    this.scale = scale;
    this.axis = axis;
    this.axis.addChangeListener(this);
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.axis.setRange(scale.getLowerBound(), scale.getUpperBound());
    this.stripWidth = 15.0;
    this.stripOutlineVisible = true;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
    this.subdivisions = 100;
}
 

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted).
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset,
        PaintScale paintScale) {

    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(paintScale, "paintScale");
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}
 

/**
 * Creates a new instance.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    ParamChecks.nullNotPermitted(axis, "axis");
    this.scale = scale;
    this.axis = axis;
    this.axis.addChangeListener(this);
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.axis.setRange(scale.getLowerBound(), scale.getUpperBound());
    this.stripWidth = 15.0;
    this.stripOutlineVisible = true;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
    this.subdivisions = 100;
}
 

/**
 * Creates a new instance.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    ParamChecks.nullNotPermitted(axis, "axis");
    this.scale = scale;
    this.axis = axis;
    this.axis.addChangeListener(this);
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.axis.setRange(scale.getLowerBound(), scale.getUpperBound());
    this.stripWidth = 15.0;
    this.stripOutlineVisible = true;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
    this.subdivisions = 100;
}
 

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted).
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset,
        PaintScale paintScale) {

    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(paintScale, "paintScale");
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}
 

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted).
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset,
        PaintScale paintScale) {

    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(paintScale, "paintScale");
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}
 

/**
 * Creates a new instance.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    ParamChecks.nullNotPermitted(axis, "axis");
    this.scale = scale;
    this.axis = axis;
    this.axis.addChangeListener(this);
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.axis.setRange(scale.getLowerBound(), scale.getUpperBound());
    this.stripWidth = 15.0;
    this.stripOutlineVisible = true;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
    this.subdivisions = 100;
}
 

/**
 * Creates a new instance.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    ParamChecks.nullNotPermitted(axis, "axis");
    this.scale = scale;
    this.axis = axis;
    this.axis.addChangeListener(this);
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.axis.setRange(scale.getLowerBound(), scale.getUpperBound());
    this.stripWidth = 15.0;
    this.stripOutlineVisible = true;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
    this.subdivisions = 100;
}
 

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted).
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset,
        PaintScale paintScale) {

    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(paintScale, "paintScale");
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}
 

/**
 * Creates an image that displays the values from the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param paintScale  the paint scale for the z-values (<code>null</code>
 *         not permitted).
 *
 * @return A buffered image.
 */
public static BufferedImage createHeatMapImage(HeatMapDataset dataset,
        PaintScale paintScale) {

    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(paintScale, "paintScale");
    int xCount = dataset.getXSampleCount();
    int yCount = dataset.getYSampleCount();
    BufferedImage image = new BufferedImage(xCount, yCount,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = image.createGraphics();
    for (int xIndex = 0; xIndex < xCount; xIndex++) {
        for (int yIndex = 0; yIndex < yCount; yIndex++) {
            double z = dataset.getZValue(xIndex, yIndex);
            Paint p = paintScale.getPaint(z);
            g2.setPaint(p);
            g2.fillRect(xIndex, yCount - yIndex - 1, 1, 1);
        }
    }
    return image;
}
 

/**
 * Creates a new instance.
 * 
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    if (axis == null) {
        throw new IllegalArgumentException("Null 'axis' argument.");
    }
    this.scale = scale;
    this.axis = axis;
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.stripWidth = 15.0;
    this.stripOutlineVisible = false;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
}
 

public RTMZRenderer(AbstractXYZDataset dataset, PaintScale paintScale) {
  super(false, true);
  this.dataset = dataset;
  this.paintScale = paintScale;
  this.setSeriesShape(0, dataPointsShape);

  setDrawSeriesLineAsPath(true);
}
 

/**
 * Creates a new instance.
 * 
 * @param scale  the scale (<code>null</code> not permitted).
 * @param axis  the axis (<code>null</code> not permitted).
 */
public PaintScaleLegend(PaintScale scale, ValueAxis axis) {
    if (axis == null) {
        throw new IllegalArgumentException("Null 'axis' argument.");
    }
    this.scale = scale;
    this.axis = axis;
    this.axisLocation = AxisLocation.BOTTOM_OR_LEFT;
    this.axisOffset = 0.0;
    this.stripWidth = 15.0;
    this.stripOutlineVisible = false;
    this.stripOutlinePaint = Color.gray;
    this.stripOutlineStroke = new BasicStroke(0.5f);
    this.backgroundPaint = Color.white;
}
 

public RTMZRenderer(AbstractXYZDataset dataset, PaintScale paintScale) {
  super(false, true);
  this.dataset = dataset;
  this.paintScale = paintScale;
  this.setSeriesShape(0, dataPointsShape);

  setDrawSeriesLineAsPath(true);
}
 

void setPaintScale(PaintScale paintScale) {
  this.paintScale = paintScale;
}
 

void setPaintScale(PaintScale paintScale) {
  this.paintScale = paintScale;
}
 

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;
}
 

/**
 * Sets the paint scale used by the renderer and sends a 
 * {@link RendererChangeEvent} to all registered listeners.
 * 
 * @param scale  the scale (<code>null</code> not permitted).
 * 
 * @see #getPaintScale()
 * @since 1.0.4
 */
public void setPaintScale(PaintScale scale) {
    if (scale == null) {
        throw new IllegalArgumentException("Null 'scale' argument.");
    }
    this.paintScale = scale;
    fireChangeEvent();
}
 

/**
 * Sets the paint scale used by the renderer and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 *
 * @see #getPaintScale()
 */
public void setPaintScale(PaintScale scale) {
    if (scale == null) {
        throw new IllegalArgumentException("Null 'scale' argument.");
    }
    this.paintScale = scale;
    notifyListeners(new RendererChangeEvent(this));
}
 

/**
 * Sets the scale and sends a {@link TitleChangeEvent} to all registered
 * listeners.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 *
 * @see #getScale()
 */
public void setScale(PaintScale scale) {
    if (scale == null) {
        throw new IllegalArgumentException("Null 'scale' argument.");
    }
    this.scale = scale;
    notifyListeners(new TitleChangeEvent(this));
}
 

/**
 * Sets the paint scale used by the renderer and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 *
 * @see #getPaintScale()
 * @since 1.0.4
 */
public void setPaintScale(PaintScale scale) {
    if (scale == null) {
        throw new IllegalArgumentException("Null 'scale' argument.");
    }
    this.paintScale = scale;
    fireChangeEvent();
}
 

/**
 * Sets the scale and sends a {@link TitleChangeEvent} to all registered
 * listeners.
 * 
 * @param scale  the scale (<code>null</code> not permitted).
 * 
 * @see #getScale()
 */
public void setScale(PaintScale scale) {
    if (scale == null) {
        throw new IllegalArgumentException("Null 'scale' argument.");
    }
    this.scale = scale;
    notifyListeners(new TitleChangeEvent(this));
}
 

/**
 * Sets the scale and sends a {@link TitleChangeEvent} to all registered
 * listeners.
 * 
 * @param scale  the scale (<code>null</code> not permitted).
 * 
 * @see #getScale()
 */
public void setScale(PaintScale scale) {
    if (scale == null) {
        throw new IllegalArgumentException("Null 'scale' argument.");
    }
    this.scale = scale;
    notifyListeners(new TitleChangeEvent(this));
}
 

/**
 * Sets the paint scale used by the renderer.
 * 
 * @param scale  the scale (<code>null</code> not permitted).
 * 
 * @see #getPaintScale()
 * @since 1.0.4
 */
public void setPaintScale(PaintScale scale) {
    if (scale == null) {
        throw new IllegalArgumentException("Null 'scale' argument.");
    }
    this.paintScale = scale;
    notifyListeners(new RendererChangeEvent(this));
}
 

/**
 * Returns the scale used to convert values to colors.
 *
 * @return The scale (never <code>null</code>).
 *
 * @see #setScale(PaintScale)
 */
public PaintScale getScale() {
    return this.scale;
}
 

/**
 * Sets the paint scale used by the renderer and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param scale  the scale (<code>null</code> not permitted).
 *
 * @see #getPaintScale()
 * @since 1.0.4
 */
public void setPaintScale(PaintScale scale) {
    ParamChecks.nullNotPermitted(scale, "scale");
    this.paintScale = scale;
    fireChangeEvent();
}