Example usage for org.jfree.chart.plot CategoryPlot draw

Introduction

In this page you can find the example usage for org.jfree.chart.plot CategoryPlot draw.

Prototype

@Override
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState,
        PlotRenderingInfo state) 

Source Link

Document

Draws the plot on a Java 2D graphics device (such as the screen or a printer).

Usage

From source file:org.n52.oxf.render.sos.AnimatedMapChartRenderer4OnePhenomenon.java

/**
 * // ww  w .j a  va 2s  .c  o m
 * @param observationCollection
 *        the observations belonging to the timeStamp (frame) which shall be rendered
 * @param screenW
 * @param screenH
 * @param bbox
 * @return
 */
protected Image renderFrame(ITimePosition timePos, int screenW, int screenH, IBoundingBox bbox,
        Set<OXFFeature> featuresWithCharts, ObservationSeriesCollection tupleFinder) {
    ContextBoundingBox contextBBox = new ContextBoundingBox(bbox);

    BufferedImage image = new BufferedImage(screenW, screenH, BufferedImage.TYPE_INT_RGB);

    Graphics2D g = image.createGraphics();

    // draw white background:
    g.setColor(Color.WHITE);
    g.fillRect(0, 0, screenW, screenH);

    for (OXFFeature chartFeature : featuresWithCharts) {

        //
        // create Plot for each "chart feature" and add it to the plotArray:
        //
        CategoryPlot plot = renderFoiBarChart(chartFeature.getID(), timePos.toString(),
                tupleFinder.getTuple(chartFeature, timePos));

        //
        // draw the plots into the image at the georeferenced position of the corresponding chartFeature:
        //
        Point pRealWorld = (Point) chartFeature.getGeometry();

        java.awt.Point pScreen = ContextBoundingBox.realworld2Screen(contextBBox.getActualBBox(), screenW,
                screenH, new Point2D.Double(pRealWorld.getCoordinate().x, pRealWorld.getCoordinate().y));

        plot.getRangeAxis(0).setRange((Double) tupleFinder.getMinimum(0), (Double) tupleFinder.getMaximum(0));

        plot.draw(g,
                new Rectangle2D.Float(pScreen.x + X_SHIFT + 10, pScreen.y + Y_SHIFT, CHART_WIDTH, CHART_HEIGHT),
                null, null, null);
    }

    return image;
}

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From source file:org.n52.oxf.render.sos.AnimatedMapBarChartRenderer.java

protected Image renderFrame(ITimePosition[] sortedTimeArray, int currentTimeIndex, int screenW, int screenH,
        IBoundingBox bbox, Set<OXFFeature> featuresWithCharts, ObservationSeriesCollection tupleFinder) {
    ContextBoundingBox contextBBox = new ContextBoundingBox(bbox);

    BufferedImage image = new BufferedImage(screenW, screenH, BufferedImage.TYPE_INT_RGB);

    Graphics2D g = image.createGraphics();

    // draw white background:
    g.setColor(Color.WHITE);//  w  w  w.j a  va 2 s. c  om
    g.fillRect(0, 0, screenW, screenH);

    g.setColor(Color.BLACK);

    ITimePosition currentTimePos = sortedTimeArray[currentTimeIndex];

    for (OXFFeature chartFeature : featuresWithCharts) {

        //
        // create Plot for each "chart feature" and add it to the cache:
        //
        if (!chartCache.contains(currentTimePos, chartFeature)) {

            // if there is a data tuple for the current time position -> create a new plot
            if (tupleFinder.getTuple(chartFeature, currentTimePos) != null) {
                CategoryPlot plot = drawChart4FOI(chartFeature.getID(), currentTimePos.toString(),
                        tupleFinder.getTuple(chartFeature, currentTimePos));
                chartCache.add(currentTimePos, chartFeature, plot);
            }
        }

        CategoryPlot plot = (CategoryPlot) chartCache.get(currentTimePos, chartFeature);

        // if there wasn't a plot for the current time position go backwards through the sortedTimeArray and take the most recent one:
        int j = currentTimeIndex - 1;
        while (plot == null && j >= 0) {
            plot = (CategoryPlot) chartCache.get(sortedTimeArray[j], chartFeature);
            j--;
        }

        //
        // draw the plots into the image at the georeferenced position of the corresponding chartFeature:
        //
        Point pRealWorld = (Point) chartFeature.getGeometry();

        java.awt.Point pScreen = ContextBoundingBox.realworld2Screen(contextBBox.getActualBBox(), screenW,
                screenH, new Point2D.Double(pRealWorld.getCoordinate().x, pRealWorld.getCoordinate().y));
        // if an appropriate plot was found -> draw it
        if (plot != null) {
            for (int i = 0; i < observedProperties.length; i++) {
                plot.getRangeAxis(i).setRange((Double) tupleFinder.getMinimum(i) - 5,
                        (Double) tupleFinder.getMaximum(i));
                if (i > 0) {
                    plot.setRangeAxisLocation(1, AxisLocation.BOTTOM_OR_RIGHT);
                }
            }

            plot.draw(g,
                    new Rectangle2D.Float(pScreen.x + X_SHIFT + 10, pScreen.y + Y_SHIFT,
                            CHART_WIDTH + observedProperties.length * CHART_WIDTH_MULTIPLICATOR, CHART_HEIGHT),
                    null, null, null);
        }
        // otherwise draw "no data available"
        else {
            g.drawString("No data available", pScreen.x + X_SHIFT, pScreen.y + Y_SHIFT);
        }

        // draw point of feature:
        g.fillOval(pScreen.x - (FeatureGeometryRenderer.DOT_SIZE_POINT / 2),
                pScreen.y - (FeatureGeometryRenderer.DOT_SIZE_POINT / 2),
                FeatureGeometryRenderer.DOT_SIZE_POINT, FeatureGeometryRenderer.DOT_SIZE_POINT);
    }

    return image;
}

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