Examples with PlotRenderingInfo org.jfree.chart.plot.PlotRenderingInfo used on opensource projects

Example 1 with PlotRenderingInfo

use of org.jfree.chart.plot.PlotRenderingInfo in project jfreechart-fx by jfree.

the class ChartCanvas method findDataArea.

/**
 * Returns the data area (the area inside the axes) for the plot or subplot.
 *
 * @param point  the selection point (for subplot selection).
 *
 * @return The data area.
 */
public Rectangle2D findDataArea(Point2D point) {
    PlotRenderingInfo plotInfo = this.info.getPlotInfo();
    Rectangle2D result;
    if (plotInfo.getSubplotCount() == 0) {
        result = plotInfo.getDataArea();
    } else {
        int subplotIndex = plotInfo.getSubplotIndex(point);
        if (subplotIndex == -1) {
            return null;
        }
        result = plotInfo.getSubplotInfo(subplotIndex).getDataArea();
    }
    return result;
}

Example 2 with PlotRenderingInfo

use of org.jfree.chart.plot.PlotRenderingInfo in project jfreechart-fx by jfree.

the class PanHandlerFX method handleMouseDragged.

/**
 * Handles a mouse dragged event by calculating the distance panned and
 * updating the axes accordingly.
 *
 * @param canvas  the JavaFX canvas ({@code null} not permitted).
 * @param e  the mouse event ({@code null} not permitted).
 */
@Override
public void handleMouseDragged(ChartCanvas canvas, MouseEvent e) {
    if (this.panLast == null) {
        // handle panning if we have a start point else unregister
        canvas.clearLiveHandler();
        return;
    }
    JFreeChart chart = canvas.getChart();
    double dx = e.getX() - this.panLast.getX();
    double dy = e.getY() - this.panLast.getY();
    if (dx == 0.0 && dy == 0.0) {
        return;
    }
    double wPercent = -dx / this.panW;
    double hPercent = dy / this.panH;
    boolean old = chart.getPlot().isNotify();
    chart.getPlot().setNotify(false);
    Pannable p = (Pannable) chart.getPlot();
    PlotRenderingInfo info = canvas.getRenderingInfo().getPlotInfo();
    if (p.getOrientation().isVertical()) {
        p.panDomainAxes(wPercent, info, this.panLast);
        p.panRangeAxes(hPercent, info, this.panLast);
    } else {
        p.panDomainAxes(hPercent, info, this.panLast);
        p.panRangeAxes(wPercent, info, this.panLast);
    }
    this.panLast = new Point2D.Double(e.getX(), e.getY());
    chart.getPlot().setNotify(old);
}

Example 3 with PlotRenderingInfo

use of org.jfree.chart.plot.PlotRenderingInfo in project jfreechart-fx by jfree.

the class ZoomHandlerFX method handleMouseReleased.

@Override
public void handleMouseReleased(ChartCanvas canvas, MouseEvent e) {
    Plot p = canvas.getChart().getPlot();
    if (!(p instanceof Zoomable)) {
        return;
    }
    boolean hZoom, vZoom;
    Zoomable z = (Zoomable) p;
    if (z.getOrientation().isHorizontal()) {
        hZoom = z.isRangeZoomable();
        vZoom = z.isDomainZoomable();
    } else {
        hZoom = z.isDomainZoomable();
        vZoom = z.isRangeZoomable();
    }
    boolean zoomTrigger1 = hZoom && Math.abs(e.getX() - this.startPoint.getX()) >= 10;
    boolean zoomTrigger2 = vZoom && Math.abs(e.getY() - this.startPoint.getY()) >= 10;
    if (zoomTrigger1 || zoomTrigger2) {
        Point2D endPoint = new Point2D.Double(e.getX(), e.getY());
        PlotRenderingInfo pri = canvas.getRenderingInfo().getPlotInfo();
        if ((hZoom && (e.getX() < this.startPoint.getX())) || (vZoom && (e.getY() < this.startPoint.getY()))) {
            boolean saved = p.isNotify();
            p.setNotify(false);
            z.zoomDomainAxes(0, pri, endPoint);
            z.zoomRangeAxes(0, pri, endPoint);
            p.setNotify(saved);
        } else {
            double x = this.startPoint.getX();
            double y = this.startPoint.getY();
            double w = e.getX() - x;
            double h = e.getY() - y;
            Rectangle2D dataArea = canvas.findDataArea(this.startPoint);
            double maxX = dataArea.getMaxX();
            double maxY = dataArea.getMaxY();
            // otherwise both are true
            if (!vZoom) {
                y = dataArea.getMinY();
                w = Math.min(w, maxX - this.startPoint.getX());
                h = dataArea.getHeight();
            } else if (!hZoom) {
                x = dataArea.getMinX();
                w = dataArea.getWidth();
                h = Math.min(h, maxY - this.startPoint.getY());
            } else {
                w = Math.min(w, maxX - this.startPoint.getX());
                h = Math.min(h, maxY - this.startPoint.getY());
            }
            Rectangle2D zoomArea = new Rectangle2D.Double(x, y, w, h);
            boolean saved = p.isNotify();
            p.setNotify(false);
            double pw0 = percentW(x, dataArea);
            double pw1 = percentW(x + w, dataArea);
            double ph0 = percentH(y, dataArea);
            double ph1 = percentH(y + h, dataArea);
            PlotRenderingInfo info = this.viewer.getRenderingInfo().getPlotInfo();
            if (z.getOrientation().isVertical()) {
                z.zoomDomainAxes(pw0, pw1, info, endPoint);
                z.zoomRangeAxes(1 - ph1, 1 - ph0, info, endPoint);
            } else {
                z.zoomRangeAxes(pw0, pw1, info, endPoint);
                z.zoomDomainAxes(1 - ph1, 1 - ph0, info, endPoint);
            }
            p.setNotify(saved);
        }
    }
    this.viewer.hideZoomRectangle();
    this.startPoint = null;
    canvas.clearLiveHandler();
}

Example 4 with PlotRenderingInfo

use of org.jfree.chart.plot.PlotRenderingInfo in project tdq-studio-se by Talend.

the class ToolTipChartComposite method getTooltipAtPoint.

/**
 * This method attempts to get a tooltip by converting the screen X,Y into Chart Area X,Y and then looking for a
 * data point in a data set that lies inside a hotspot around that value.
 *
 * @param point The Java 2D point
 * @return A string for the data at the point or null if no data is found.
 */
protected String getTooltipAtPoint(Point point) {
    String result = null;
    Point2D translatedPoint = this.translateScreenToJava2D(point);
    Plot plot = this.getChart().getPlot();
    PlotRenderingInfo info = this.getChartRenderingInfo().getPlotInfo();
    if (plot instanceof CombinedDomainXYPlot) {
        int index = info.getSubplotIndex(translatedPoint);
        if (index < 0) {
            index = 0;
        }
        plot = (Plot) ((CombinedDomainXYPlot) plot).getSubplots().get(index);
        info = this.getChartRenderingInfo().getPlotInfo().getSubplotInfo(index);
    }
    if (plot != null && plot instanceof XYPlot) {
        XYPlot xyPlot = (XYPlot) plot;
        ValueAxis domainAxis = xyPlot.getDomainAxis();
        ValueAxis rangeAxis = xyPlot.getRangeAxis();
        // had to switch to SWT's rectangle here.
        Rectangle screenArea = this.scale(info.getDataArea());
        double hotspotSizeX = hotspontsize * this.getScaleX();
        double hotspotSizeY = hotspontsize * this.getScaleY();
        double x0 = point.getX();
        double y0 = point.getY();
        double x1 = x0 - hotspotSizeX;
        double y1 = y0 + hotspotSizeY;
        double x2 = x0 + hotspotSizeX;
        double y2 = y0 - hotspotSizeY;
        RectangleEdge xEdge = RectangleEdge.BOTTOM;
        RectangleEdge yEdge = RectangleEdge.LEFT;
        // Switch everything for horizontal charts
        if (xyPlot.getOrientation() == PlotOrientation.HORIZONTAL) {
            hotspotSizeX = hotspontsize * this.getScaleY();
            hotspotSizeY = hotspontsize * this.getScaleX();
            x0 = point.getY();
            y0 = point.getX();
            x1 = x0 + hotspotSizeX;
            y1 = y0 - hotspotSizeY;
            x2 = x0 - hotspotSizeX;
            y2 = y0 + hotspotSizeY;
            xEdge = RectangleEdge.LEFT;
            yEdge = RectangleEdge.BOTTOM;
        }
        // OK, here we have to get ourselves back into AWT land...
        Rectangle2D r2d = new Rectangle2D.Double();
        r2d.setRect(screenArea.x, screenArea.y, screenArea.width, screenArea.height);
        double ty0 = rangeAxis.java2DToValue(y0, r2d, yEdge);
        double tx1 = domainAxis.java2DToValue(x1, r2d, xEdge);
        double ty1 = rangeAxis.java2DToValue(y1, r2d, yEdge);
        double tx2 = domainAxis.java2DToValue(x2, r2d, xEdge);
        double ty2 = rangeAxis.java2DToValue(y2, r2d, yEdge);
        int datasetCount = xyPlot.getDatasetCount();
        for (int datasetIndex = 0; datasetIndex < datasetCount; datasetIndex++) {
            XYDataset dataset = xyPlot.getDataset(datasetIndex);
            int seriesCount = dataset.getSeriesCount();
            for (int series = 0; series < seriesCount; series++) {
                int itemCount = dataset.getItemCount(series);
                if (dataset instanceof OHLCDataset) {
                    // This could be optimized to use a binary search for x first
                    for (int item = 0; item < itemCount; item++) {
                        double xValue = dataset.getXValue(series, item);
                        double yValueHi = ((OHLCDataset) dataset).getHighValue(series, item);
                        double yValueLo = ((OHLCDataset) dataset).getLowValue(series, item);
                        // Check hi lo and swap if needed
                        if (yValueHi < yValueLo) {
                            double temp = yValueHi;
                            yValueHi = yValueLo;
                            yValueLo = temp;
                        }
                        // Check if the dataset 'X' value lies between the hotspot (tx1 < xValue < tx2)
                        if (tx1 < xValue && xValue < tx2) {
                            // Check if the cursor 'y' value lies between the high and low (low < ty0 < high)
                            if (yValueLo < ty0 && ty0 < yValueHi) {
                                return hiLoTips.generateToolTip(dataset, series, item);
                            }
                        }
                    }
                } else {
                    // This could be optimized to use a binary search for x first
                    for (int item = 0; item < itemCount; item++) {
                        double xValue = dataset.getXValue(series, item);
                        double yValue = dataset.getYValue(series, item);
                        // Check if the dataset 'X' value lies between the hotspot (tx1< xValue < tx2)
                        if (tx1 < xValue && xValue < tx2) {
                            // Check if the dataset 'Y' value lies between the hotspot (ty1 < yValue < ty2)
                            if (ty1 < yValue && yValue < ty2) {
                                return xyTips.generateToolTip(dataset, series, item);
                            }
                        }
                    }
                }
            }
        }
    }
    return result;
}

Example 5 with PlotRenderingInfo

use of org.jfree.chart.plot.PlotRenderingInfo in project n2a by frothga.

the class Raster method createChart.

public JFreeChart createChart(final XYDataset dataset) {
    final JFreeChart chart = ChartFactory.createScatterPlot(// chart title
    null, // x axis label
    null, // y axis label
    null, // data
    dataset, PlotOrientation.VERTICAL, // include legend
    false, // tooltips
    true, // urls
    false);
    XYPlot plot = chart.getXYPlot();
    plot.setBackgroundPaint(Color.white);
    plot.setRangeGridlinePaint(Color.lightGray);
    plot.setDomainPannable(true);
    plot.setRangePannable(true);
    plot.setRenderer(new XYDotRenderer() {

        public void drawItem(java.awt.Graphics2D g2, XYItemRendererState state, java.awt.geom.Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) {
            if (!getItemVisible(series, item))
                return;
            int dotWidth = 1;
            double rasterLines = rangeAxis.getRange().getLength();
            int pixels = g2.getClipBounds().height;
            double height = pixels / rasterLines;
            if (height > 10)
                height -= 2;
            else if (height > 2)
                height -= 1;
            int dotHeight = (int) Math.min(20, Math.max(1, Math.floor(height)));
            double x = dataset.getXValue(series, item);
            double y = dataset.getYValue(series, item);
            if (Double.isNaN(y))
                return;
            double adjx = (dotWidth - 1) / 2.0;
            double adjy = (dotHeight - 1) / 2.0;
            RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
            RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
            double transX = domainAxis.valueToJava2D(x, dataArea, xAxisLocation) - adjx;
            double transY = rangeAxis.valueToJava2D(y, dataArea, yAxisLocation) - adjy;
            g2.setPaint(Color.black);
            PlotOrientation orientation = plot.getOrientation();
            if (orientation == PlotOrientation.HORIZONTAL)
                g2.fillRect((int) transY, (int) transX, dotHeight, dotWidth);
            else
                g2.fillRect((int) transX, (int) transY, dotWidth, dotHeight);
            int datasetIndex = plot.indexOf(dataset);
            updateCrosshairValues(crosshairState, x, y, datasetIndex, transX, transY, orientation);
        }
    });
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    // Integer units only
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    return chart;
}