Examples of org.jfree.chart.plot.Plot

org.jfree.chart.plot.Plot
The base class for all plots in JFreeChart. The {@link JFreeChart} classdelegates the drawing of axes and data to the plot. This base class provides facilities common to most plot types.

    /**
     * Rescales the axis to ensure that all data is visible.
     */
    protected void autoAdjustRange() {


        Plot plot = getPlot();


        if (plot == null) {
            return;  // no plot, no data
        }

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        // add the new chart
        this.chart = chart;
        if (chart != null) {
            this.chart.addChangeListener(this);
            this.chart.addProgressListener(this);
            Plot plot = chart.getPlot();
            this.domainZoomable = false;
            this.rangeZoomable = false;
            if (plot instanceof Zoomable) {
                Zoomable z = (Zoomable) plot;
                this.domainZoomable = z.isDomainZoomable();

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     *
     * @param flag  <code>true</code> enables zooming if possible.
     */
    public void setDomainZoomable(boolean flag) {
        if (flag) {
            Plot plot = this.chart.getPlot();
            if (plot instanceof Zoomable) {
                Zoomable z = (Zoomable) plot;
                this.domainZoomable = flag && (z.isDomainZoomable());
            }
        }

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     *
     * @param flag  <code>true</code> enables zooming.
     */
    public void setRangeZoomable(boolean flag) {
        if (flag) {
            Plot plot = this.chart.getPlot();
            if (plot instanceof Zoomable) {
                Zoomable z = (Zoomable) plot;
                this.rangeZoomable = flag && (z.isRangeZoomable());
            }
        }

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     *
     * @param event  details of the chart change event.
     */
    public void chartChanged(ChartChangeEvent event) {
        this.refreshBuffer = true;
        Plot plot = this.chart.getPlot();
        if (plot instanceof Zoomable) {
            Zoomable z = (Zoomable) plot;
            this.orientation = z.getOrientation();
        }
        repaint();

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     */
    public void mousePressed(MouseEvent e) {
        if (this.chart == null) {
            return;
        }
        Plot plot = this.chart.getPlot();
        int mods = e.getModifiers();
        if ((mods & this.panMask) == this.panMask) {
            // can we pan this plot?
            if (plot instanceof Pannable) {
                Pannable pannable = (Pannable) plot;

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     *
     * @param x  the x value (in screen coordinates).
     * @param y  the y value (in screen coordinates).
     */
    public void zoomInBoth(double x, double y) {
        Plot plot = this.chart.getPlot();
        if (plot == null) {
            return;
        }
        // here we tweak the notify flag on the plot so that only
        // one notification happens even though we update multiple
        // axes...
        boolean savedNotify = plot.isNotify();
        plot.setNotify(false);
        zoomInDomain(x, y);
        zoomInRange(x, y);
        plot.setNotify(savedNotify);
    }

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     *
     * @param x  the x coordinate (in screen coordinates).
     * @param y  the y-coordinate (in screen coordinates).
     */
    public void zoomInDomain(double x, double y) {
        Plot plot = this.chart.getPlot();
        if (plot instanceof Zoomable) {
            // here we tweak the notify flag on the plot so that only
            // one notification happens even though we update multiple
            // axes...
            boolean savedNotify = plot.isNotify();
            plot.setNotify(false);
            Zoomable z = (Zoomable) plot;
            z.zoomDomainAxes(this.zoomInFactor, this.info.getPlotInfo(),
                    translateScreenToJava2D(new Point((int) x, (int) y)),
                    this.zoomAroundAnchor);
            plot.setNotify(savedNotify);
        }
    }

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     *
     * @param x  the x-coordinate (in screen coordinates).
     * @param y  the y coordinate (in screen coordinates).
     */
    public void zoomInRange(double x, double y) {
        Plot plot = this.chart.getPlot();
        if (plot instanceof Zoomable) {
            // here we tweak the notify flag on the plot so that only
            // one notification happens even though we update multiple
            // axes...
            boolean savedNotify = plot.isNotify();
            plot.setNotify(false);
            Zoomable z = (Zoomable) plot;
            z.zoomRangeAxes(this.zoomInFactor, this.info.getPlotInfo(),
                    translateScreenToJava2D(new Point((int) x, (int) y)),
                    this.zoomAroundAnchor);
            plot.setNotify(savedNotify);
        }
    }

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     *
     * @param x  the x value (in screen coordinates).
     * @param y  the y value (in screen coordinates).
     */
    public void zoomOutBoth(double x, double y) {
        Plot plot = this.chart.getPlot();
        if (plot == null) {
            return;
        }
        // here we tweak the notify flag on the plot so that only
        // one notification happens even though we update multiple
        // axes...
        boolean savedNotify = plot.isNotify();
        plot.setNotify(false);
        zoomOutDomain(x, y);
        zoomOutRange(x, y);
        plot.setNotify(savedNotify);
    }

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