Examples with ContourEntity org.jfree.chart.entity.ContourEntity used on opensource projects

Example 1 with ContourEntity

use of org.jfree.chart.entity.ContourEntity in project SIMVA-SoS by SESoS.

the class ContourPlot method contourRenderer.

/**
 * Fills the plot.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area within which the data is being drawn.
 * @param info  collects information about the drawing.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param horizontalAxis  the domain (horizontal) axis.
 * @param verticalAxis  the range (vertical) axis.
 * @param colorBar  the color bar axis.
 * @param data  the dataset.
 * @param crosshairState  information about crosshairs on a plot.
 */
public void contourRenderer(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info, ContourPlot plot, ValueAxis horizontalAxis, ValueAxis verticalAxis, ColorBar colorBar, ContourDataset data, CrosshairState crosshairState) {
    // setup for collecting optional entity info...
    Rectangle2D.Double entityArea;
    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }
    Rectangle2D.Double rect;
    rect = new Rectangle2D.Double();
    // turn off anti-aliasing when filling rectangles
    Object antiAlias = g2.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    // get the data points
    Number[] xNumber = data.getXValues();
    Number[] yNumber = data.getYValues();
    Number[] zNumber = data.getZValues();
    double[] x = new double[xNumber.length];
    double[] y = new double[yNumber.length];
    for (int i = 0; i < x.length; i++) {
        x[i] = xNumber[i].doubleValue();
        y[i] = yNumber[i].doubleValue();
    }
    int[] xIndex = data.indexX();
    int[] indexX = data.getXIndices();
    boolean vertInverted = ((NumberAxis) verticalAxis).isInverted();
    boolean horizInverted = false;
    if (horizontalAxis instanceof NumberAxis) {
        horizInverted = ((NumberAxis) horizontalAxis).isInverted();
    }
    double transX = 0.0;
    double transXm1;
    double transXp1;
    double transDXm1;
    double transDXp1 = 0.0;
    double transDX = 0.0;
    double transY;
    double transYm1;
    double transYp1;
    double transDYm1;
    double transDYp1 = 0.0;
    double transDY;
    int iMax = xIndex[xIndex.length - 1];
    for (int k = 0; k < x.length; k++) {
        int i = xIndex[k];
        if (indexX[i] == k) {
            // this is a new column
            if (i == 0) {
                transX = horizontalAxis.valueToJava2D(x[k], dataArea, RectangleEdge.BOTTOM);
                transXm1 = transX;
                transXp1 = horizontalAxis.valueToJava2D(x[indexX[i + 1]], dataArea, RectangleEdge.BOTTOM);
                transDXm1 = Math.abs(0.5 * (transX - transXm1));
                transDXp1 = Math.abs(0.5 * (transX - transXp1));
            } else if (i == iMax) {
                transX = horizontalAxis.valueToJava2D(x[k], dataArea, RectangleEdge.BOTTOM);
                transXm1 = horizontalAxis.valueToJava2D(x[indexX[i - 1]], dataArea, RectangleEdge.BOTTOM);
                transXp1 = transX;
                transDXm1 = Math.abs(0.5 * (transX - transXm1));
                transDXp1 = Math.abs(0.5 * (transX - transXp1));
            } else {
                transX = horizontalAxis.valueToJava2D(x[k], dataArea, RectangleEdge.BOTTOM);
                transXp1 = horizontalAxis.valueToJava2D(x[indexX[i + 1]], dataArea, RectangleEdge.BOTTOM);
                transDXm1 = transDXp1;
                transDXp1 = Math.abs(0.5 * (transX - transXp1));
            }
            if (horizInverted) {
                transX -= transDXp1;
            } else {
                transX -= transDXm1;
            }
            transDX = transDXm1 + transDXp1;
            transY = verticalAxis.valueToJava2D(y[k], dataArea, RectangleEdge.LEFT);
            transYm1 = transY;
            if (k + 1 == y.length) {
                continue;
            }
            transYp1 = verticalAxis.valueToJava2D(y[k + 1], dataArea, RectangleEdge.LEFT);
            transDYm1 = Math.abs(0.5 * (transY - transYm1));
            transDYp1 = Math.abs(0.5 * (transY - transYp1));
        } else if ((i < indexX.length - 1 && indexX[i + 1] - 1 == k) || k == x.length - 1) {
            // end of column
            transY = verticalAxis.valueToJava2D(y[k], dataArea, RectangleEdge.LEFT);
            transYm1 = verticalAxis.valueToJava2D(y[k - 1], dataArea, RectangleEdge.LEFT);
            transYp1 = transY;
            transDYm1 = Math.abs(0.5 * (transY - transYm1));
            transDYp1 = Math.abs(0.5 * (transY - transYp1));
        } else {
            transY = verticalAxis.valueToJava2D(y[k], dataArea, RectangleEdge.LEFT);
            transYp1 = verticalAxis.valueToJava2D(y[k + 1], dataArea, RectangleEdge.LEFT);
            transDYm1 = transDYp1;
            transDYp1 = Math.abs(0.5 * (transY - transYp1));
        }
        if (vertInverted) {
            transY -= transDYm1;
        } else {
            transY -= transDYp1;
        }
        transDY = transDYm1 + transDYp1;
        rect.setRect(transX, transY, transDX, transDY);
        if (zNumber[k] != null) {
            g2.setPaint(colorBar.getPaint(zNumber[k].doubleValue()));
            g2.fill(rect);
        } else if (this.missingPaint != null) {
            g2.setPaint(this.missingPaint);
            g2.fill(rect);
        }
        entityArea = rect;
        // add an entity for the item...
        if (entities != null) {
            String tip = "";
            if (getToolTipGenerator() != null) {
                tip = this.toolTipGenerator.generateToolTip(data, k);
            }
            // Shape s = g2.getClip();
            // if (s.contains(rect) || s.intersects(rect)) {
            String url = null;
            // if (getURLGenerator() != null) {    //dmo: look at this later
            // url = getURLGenerator().generateURL(data, series, item);
            // }
            // Unlike XYItemRenderer, we need to clone entityArea since it
            // reused.
            ContourEntity entity = new ContourEntity((Rectangle2D.Double) entityArea.clone(), tip, url);
            entity.setIndex(k);
            entities.add(entity);
        // }
        }
        // do we need to update the crosshair values?
        if (plot.isDomainCrosshairLockedOnData()) {
            if (plot.isRangeCrosshairLockedOnData()) {
                // both axes
                crosshairState.updateCrosshairPoint(x[k], y[k], transX, transY, PlotOrientation.VERTICAL);
            } else {
                // just the horizontal axis...
                crosshairState.updateCrosshairX(transX);
            }
        } else {
            if (plot.isRangeCrosshairLockedOnData()) {
                // just the vertical axis...
                crosshairState.updateCrosshairY(transY);
            }
        }
    }
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, antiAlias);
}

Example 2 with ContourEntity

use of org.jfree.chart.entity.ContourEntity in project SIMVA-SoS by SESoS.

the class ContourPlot method pointRenderer.

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area within which the data is being drawn.
 * @param info  collects information about the drawing.
 * @param plot  the plot (can be used to obtain standard color
 *              information etc).
 * @param domainAxis  the domain (horizontal) axis.
 * @param rangeAxis  the range (vertical) axis.
 * @param colorBar  the color bar axis.
 * @param data  the dataset.
 * @param crosshairState  information about crosshairs on a plot.
 */
public void pointRenderer(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info, ContourPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, ColorBar colorBar, ContourDataset data, CrosshairState crosshairState) {
    // setup for collecting optional entity info...
    RectangularShape entityArea;
    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }
    // Rectangle2D.Double rect = null;
    // rect = new Rectangle2D.Double();
    RectangularShape rect = new Ellipse2D.Double();
    // turn off anti-aliasing when filling rectangles
    Object antiAlias = g2.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
    // if (tooltips!=null) tooltips.clearToolTips(); // reset collection
    // get the data points
    Number[] xNumber = data.getXValues();
    Number[] yNumber = data.getYValues();
    Number[] zNumber = data.getZValues();
    double[] x = new double[xNumber.length];
    double[] y = new double[yNumber.length];
    for (int i = 0; i < x.length; i++) {
        x[i] = xNumber[i].doubleValue();
        y[i] = yNumber[i].doubleValue();
    }
    double transX;
    double transDX;
    double transY;
    double transDY;
    double size = dataArea.getWidth() * this.ptSizePct;
    for (int k = 0; k < x.length; k++) {
        transX = domainAxis.valueToJava2D(x[k], dataArea, RectangleEdge.BOTTOM) - 0.5 * size;
        transY = rangeAxis.valueToJava2D(y[k], dataArea, RectangleEdge.LEFT) - 0.5 * size;
        transDX = size;
        transDY = size;
        rect.setFrame(transX, transY, transDX, transDY);
        if (zNumber[k] != null) {
            g2.setPaint(colorBar.getPaint(zNumber[k].doubleValue()));
            g2.fill(rect);
        } else if (this.missingPaint != null) {
            g2.setPaint(this.missingPaint);
            g2.fill(rect);
        }
        entityArea = rect;
        // add an entity for the item...
        if (entities != null) {
            String tip = null;
            if (getToolTipGenerator() != null) {
                tip = this.toolTipGenerator.generateToolTip(data, k);
            }
            String url = null;
            // if (getURLGenerator() != null) {   //dmo: look at this later
            // url = getURLGenerator().generateURL(data, series, item);
            // }
            // Unlike XYItemRenderer, we need to clone entityArea since it
            // reused.
            ContourEntity entity = new ContourEntity((RectangularShape) entityArea.clone(), tip, url);
            entity.setIndex(k);
            entities.add(entity);
        }
        // do we need to update the crosshair values?
        if (plot.isDomainCrosshairLockedOnData()) {
            if (plot.isRangeCrosshairLockedOnData()) {
                // both axes
                crosshairState.updateCrosshairPoint(x[k], y[k], transX, transY, PlotOrientation.VERTICAL);
            } else {
                // just the horizontal axis...
                crosshairState.updateCrosshairX(transX);
            }
        } else {
            if (plot.isRangeCrosshairLockedOnData()) {
                // just the vertical axis...
                crosshairState.updateCrosshairY(transY);
            }
        }
    }
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, antiAlias);
}