Example usage for org.jfree.data.xy XYDataset getXValue

List of usage examples for org.jfree.data.xy XYDataset getXValue

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  6. getXValue

Introduction

In this page you can find the example usage for org.jfree.data.xy XYDataset getXValue.

Prototype

public double getXValue(int series, int item);

Source Link

Document

Returns the x-value for an item within a series.

Usage

From source file:com.googlecode.logVisualizer.chart.LineChartBuilder.java

private JFreeChart createChart(final XYDataset dataset) {
    final JFreeChart chart = ChartFactory.createXYLineChart(getTitle(), xLable, yLable, dataset,
            PlotOrientation.VERTICAL, isIncludeLegend(), true, false);
    final XYPlot plot = (XYPlot) chart.getPlot();

    double lastXValue = 0;
    if (dataset.getSeriesCount() > 0)
        lastXValue = dataset.getXValue(0, dataset.getItemCount(0) - 1);

    plot.setDomainAxis(new FixedZoomNumberAxis(lastXValue));
    plot.getDomainAxis().setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setBackgroundPaint(Color.white);
    plot.setDomainGridlinePaint(Color.black);
    plot.setRangeGridlinePaint(Color.black);
    plot.setNoDataMessage("No data available");
    if (dataset.getSeriesCount() > 0)
        ((NumberAxis) plot.getDomainAxis()).setUpperBound(lastXValue);
    ((NumberAxis) plot.getRangeAxis()).setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    final XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
    for (int i = 0; i < dataset.getSeriesCount(); i++) {
        renderer.setSeriesShapesVisible(i, false);
        renderer.setSeriesStroke(i, new BasicStroke(2));
    }//ww w . j  a v a 2 s. c o  m
    renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    plot.setRenderer(renderer);

    return chart;
}

From source file:org.jfree.experimental.chart.renderer.xy.VectorRenderer.java

/**
 * Draws the block representing the specified item.
 * //from  www  .j a va  2 s .  c om
 * @param g2  the graphics device.
 * @param state  the state.
 * @param dataArea  the data area.
 * @param info  the plot rendering info.
 * @param plot  the plot.
 * @param domainAxis  the x-axis.
 * @param rangeAxis  the y-axis.
 * @param dataset  the dataset.
 * @param series  the series index.
 * @param item  the item index.
 * @param crosshairState  the crosshair state.
 * @param pass  the pass index.
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {

    double x = dataset.getXValue(series, item);
    double y = dataset.getYValue(series, item);
    double dx = 0.0;
    double dy = 0.0;
    if (dataset instanceof VectorXYDataset) {
        dx = ((VectorXYDataset) dataset).getDeltaXValue(series, item);
        dy = ((VectorXYDataset) dataset).getDeltaYValue(series, item);
    }
    double xx0 = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
    double yy0 = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());
    double xx1 = domainAxis.valueToJava2D(x + dx, dataArea, plot.getDomainAxisEdge());
    double yy1 = rangeAxis.valueToJava2D(y + dy, dataArea, plot.getRangeAxisEdge());
    Line2D line;
    PlotOrientation orientation = plot.getOrientation();
    if (orientation.equals(PlotOrientation.HORIZONTAL)) {
        line = new Line2D.Double(yy0, xx0, yy1, xx1);
    } else {
        line = new Line2D.Double(xx0, yy0, xx1, yy1);
    }
    g2.setPaint(getItemPaint(series, item));
    g2.setStroke(getItemStroke(series, item));
    g2.draw(line);

    // calculate the arrow head and draw it...
    double dxx = (xx1 - xx0);
    double dyy = (yy1 - yy0);
    double bx = xx0 + (1.0 - this.baseLength) * dxx;
    double by = yy0 + (1.0 - this.baseLength) * dyy;

    double cx = xx0 + (1.0 - this.headLength) * dxx;
    double cy = yy0 + (1.0 - this.headLength) * dyy;

    double angle = 0.0;
    if (dxx != 0.0) {
        angle = Math.PI / 2.0 - Math.atan(dyy / dxx);
    }
    double deltaX = 2.0 * Math.cos(angle);
    double deltaY = 2.0 * Math.sin(angle);

    double leftx = cx + deltaX;
    double lefty = cy - deltaY;
    double rightx = cx - deltaX;
    double righty = cy + deltaY;

    GeneralPath p = new GeneralPath();
    p.moveTo((float) xx1, (float) yy1);
    p.lineTo((float) rightx, (float) righty);
    p.lineTo((float) bx, (float) by);
    p.lineTo((float) leftx, (float) lefty);
    p.closePath();
    g2.draw(p);

}

From source file:com.rapidminer.gui.plotter.charts.ColorizedShapeItemRenderer.java

/**
 * Draws the block representing the specified item.
 * /*from  www . j a  v a2s .  c o m*/
 * @param g2
 *            the graphics device.
 * @param state
 *            the state.
 * @param dataArea
 *            the data area.
 * @param info
 *            the plot rendering info.
 * @param plot
 *            the plot.
 * @param domainAxis
 *            the x-axis.
 * @param rangeAxis
 *            the y-axis.
 * @param dataset
 *            the dataset.
 * @param series
 *            the series index.
 * @param item
 *            the item index.
 * @param crosshairState
 *            the crosshair state.
 * @param pass
 *            the pass index.
 */
@Override
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {

    Shape hotspot = null;
    EntityCollection entities = null;
    if (info != null) {
        entities = info.getOwner().getEntityCollection();
    }

    double x = dataset.getXValue(series, item);
    double y = dataset.getYValue(series, item);
    double colorValue = ((XYZDataset) dataset).getZValue(series, item);
    double normalized = (colorValue - minColor) / (maxColor - minColor);

    if (Double.isNaN(x) || Double.isNaN(y)) {
        // can't draw anything
        return;
    }

    double transX = domainAxis.valueToJava2D(x, dataArea, plot.getDomainAxisEdge());
    double transY = rangeAxis.valueToJava2D(y, dataArea, plot.getRangeAxisEdge());

    PlotOrientation orientation = plot.getOrientation();

    Shape shape = getItemShape(series, item);
    if (orientation == PlotOrientation.HORIZONTAL) {
        shape = ShapeUtilities.createTranslatedShape(shape, transY, transX);
    } else if (orientation == PlotOrientation.VERTICAL) {
        shape = ShapeUtilities.createTranslatedShape(shape, transX, transY);
    }
    hotspot = shape;
    if (shape.intersects(dataArea)) {
        g2.setPaint(colorProvider.getPointColor(normalized));
        g2.fill(shape);
        if (getDrawOutlines()) {
            if (getUseOutlinePaint()) {
                g2.setPaint(getItemOutlinePaint(series, item));
            } else {
                g2.setPaint(getItemPaint(series, item));
            }
            g2.setStroke(getItemOutlineStroke(series, item));
            g2.draw(shape);
        }
    }

    // add an entity for the item...
    if (entities != null) {
        addEntity(entities, hotspot, dataset, series, item, transX, transY);
    }
}

From source file:org.pentaho.plugin.jfreereport.reportcharts.BubbleRenderer.java

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2             the graphics device.
 * @param state          the renderer state.
 * @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 dataset        the dataset (an {@link XYZDataset} is expected).
 * @param series         the series index (zero-based).
 * @param item           the item index (zero-based).
 * @param crosshairState crosshair information for the plot (<code>null</code> permitted).
 * @param pass           the pass index.
 *//*from  w  w w  . java2  s .c o  m*/
public void drawItem(final Graphics2D g2, final XYItemRendererState state, final Rectangle2D dataArea,
        final PlotRenderingInfo info, final XYPlot plot, final ValueAxis domainAxis, final ValueAxis rangeAxis,
        final XYDataset dataset, final int series, final int item, final CrosshairState crosshairState,
        final int pass) {

    final PlotOrientation orientation = plot.getOrientation();

    // get the data point...
    final double x = dataset.getXValue(series, item);
    final double y = dataset.getYValue(series, item);
    double z = Double.NaN;
    if (dataset instanceof XYZDataset) {
        final XYZDataset xyzData = (XYZDataset) dataset;
        z = xyzData.getZValue(series, item);
    }
    if (!Double.isNaN(z)) {
        final RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
        final RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
        final double transX = domainAxis.valueToJava2D(x, dataArea, domainAxisLocation);
        final double transY = rangeAxis.valueToJava2D(y, dataArea, rangeAxisLocation);

        double circleSize;

        circleSize = maxSize * (z / maxZ);

        circleSize = Math.abs(circleSize);

        Ellipse2D circle = null;
        if (orientation == PlotOrientation.VERTICAL) {
            circle = new Ellipse2D.Double(transX - circleSize / 2.0, transY - circleSize / 2.0, circleSize,
                    circleSize);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            circle = new Ellipse2D.Double(transY - circleSize / 2.0, transX - circleSize / 2.0, circleSize,
                    circleSize);
        }
        g2.setPaint(getItemPaint(series, item));
        g2.fill(circle);
        g2.setStroke(getItemOutlineStroke(series, item));
        g2.setPaint(getItemOutlinePaint(series, item));
        g2.draw(circle);

        if (isItemLabelVisible(series, item)) {
            if (orientation == PlotOrientation.VERTICAL) {
                drawItemLabel(g2, orientation, dataset, series, item, transX, transY, false);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                drawItemLabel(g2, orientation, dataset, series, item, transY, transX, false);
            }
        }

        // setup for collecting optional entity info...
        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
        }

        // add an entity for the item...
        if (entities != null) {
            String tip = null;
            final XYToolTipGenerator generator = getToolTipGenerator(series, item);
            if (generator != null) {
                tip = generator.generateToolTip(dataset, series, item);
            }
            String url = null;
            if (getURLGenerator() != null) {
                url = getURLGenerator().generateURL(dataset, series, item);
            }
            final XYItemEntity entity = new XYItemEntity(circle, dataset, series, item, tip, url);
            entities.add(entity);
        }

        final int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
        final int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
        updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY,
                orientation);
    }

}

From source file:org.pentaho.platform.uifoundation.chart.BubbleRenderer.java

/**
 * Draws the visual representation of a single data item.
 * /*w w  w .  j  a v a  2  s  .  co m*/
 * @param g2
 *          the graphics device.
 * @param state
 *          the renderer state.
 * @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 dataset
 *          the dataset (an {@link XYZDataset} is expected).
 * @param series
 *          the series index (zero-based).
 * @param item
 *          the item index (zero-based).
 * @param crosshairState
 *          crosshair information for the plot (<code>null</code> permitted).
 * @param pass
 *          the pass index.
 */
@Override
public void drawItem(final Graphics2D g2, final XYItemRendererState state, final Rectangle2D dataArea,
        final PlotRenderingInfo info, final XYPlot plot, final ValueAxis domainAxis, final ValueAxis rangeAxis,
        final XYDataset dataset, final int series, final int item, final CrosshairState crosshairState,
        final int pass) {

    PlotOrientation orientation = plot.getOrientation();

    // get the data point...
    double x = dataset.getXValue(series, item);
    double y = dataset.getYValue(series, item);
    double z = Double.NaN;
    if (dataset instanceof XYZDataset) {
        XYZDataset xyzData = (XYZDataset) dataset;
        z = xyzData.getZValue(series, item);
    }
    if (!Double.isNaN(z)) {
        RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
        RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
        double transX = domainAxis.valueToJava2D(x, dataArea, domainAxisLocation);
        double transY = rangeAxis.valueToJava2D(y, dataArea, rangeAxisLocation);

        double circleSize;

        circleSize = maxSize * (z / maxZ);

        circleSize = Math.abs(circleSize);

        Ellipse2D circle = null;
        if (orientation == PlotOrientation.VERTICAL) {
            circle = new Ellipse2D.Double(transX - circleSize / 2.0, transY - circleSize / 2.0, circleSize,
                    circleSize);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            circle = new Ellipse2D.Double(transY - circleSize / 2.0, transX - circleSize / 2.0, circleSize,
                    circleSize);
        }
        g2.setPaint(getItemPaint(series, item));
        g2.fill(circle);
        g2.setStroke(getItemOutlineStroke(series, item));
        g2.setPaint(getItemOutlinePaint(series, item));
        g2.draw(circle);

        if (isItemLabelVisible(series, item)) {
            if (orientation == PlotOrientation.VERTICAL) {
                drawItemLabel(g2, orientation, dataset, series, item, transX, transY, false);
            } else if (orientation == PlotOrientation.HORIZONTAL) {
                drawItemLabel(g2, orientation, dataset, series, item, transY, transX, false);
            }
        }

        // setup for collecting optional entity info...
        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
        }

        // add an entity for the item...
        if (entities != null) {
            String tip = null;
            XYToolTipGenerator generator = getToolTipGenerator(series, item);
            if (generator != null) {
                tip = generator.generateToolTip(dataset, series, item);
            }
            String url = null;
            if (getURLGenerator() != null) {
                url = getURLGenerator().generateURL(dataset, series, item);
            }
            XYItemEntity entity = new XYItemEntity(circle, dataset, series, item, tip, url);
            entities.add(entity);
        }

        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
        updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY,
                orientation);
    }

}

From source file:net.sf.maltcms.chromaui.charts.tooltips.RTIXYTooltipGenerator.java

/**
 *
 * @param xyd//from w  w w .  j av a2  s.c  om
 * @param i
 * @param i1
 * @return
 */
@Override
public String generateToolTip(XYDataset xyd, int i, int i1) {
    Point p = new Point(i, i1);
    if (hm.containsKey(p)) {
        SoftReference<String> sr = hm.get(p);
        if (sr.get() != null) {
            return sr.get();
        }
    } else {
        StringBuilder sb = new StringBuilder();
        int x = (int) xyd.getXValue(i, i1);
        int y = (int) xyd.getYValue(i, i1);
        double z = Double.NaN;
        if (xyd instanceof XYZDataset) {
            z = ((XYZDataset) xyd).getZValue(i, i1);
        }
        if (x >= 0 && x < lookup.length && y >= 0 && y < scansPerModulation) {
            sb.append("[ SCAN1: ");
            sb.append(x);
            sb.append(", SCAN2: " + y + " ]");
            sb.append(" at [ RT1: ");
            sb.append(lookup[x]);
            sb.append(" s, RT2: ");
            float off = (this.modulationTime * ((float) y / (float) (this.scansPerModulation)));
            sb.append(lookup[x] + off);
            sb.append("s ]");
            if (xyd instanceof XYZDataset) {
                sb.append(" = ");
                sb.append(z);
            }
            String s = sb.toString();
            SoftReference<String> sr = new SoftReference<>(s);
            hm.put(p, sr);
            return s;
        }
        return "";
    }
    return null;

}

From source file:com.bdb.weather.display.day.ItemRenderer.java

/**
 * Plots the data for a given series.//from  w  ww .  ja va 2  s . c  o m
 * 
 * @param g2  the drawing surface.
 * @param dataArea  the data area.
 * @param info  collects plot rendering info.
 * @param plot  the plot.
 * @param dataset  the dataset.
 * @param seriesIndex  the series index.
 */
@Override
public void drawSeries(Graphics2D g2, Rectangle2D dataArea, PlotRenderingInfo info, PolarPlot plot,
        XYDataset dataset, int seriesIndex) {
    Shape point = new Rectangle2D.Double(-2, -2, 4, 4);

    int numPoints = dataset.getItemCount(seriesIndex);

    g2.setPaint(lookupSeriesPaint(seriesIndex));
    g2.setStroke(lookupSeriesStroke(seriesIndex));

    for (int i = 0; i < numPoints; i++) {
        double theta = dataset.getXValue(seriesIndex, i);
        double radius = dataset.getYValue(seriesIndex, i);

        Point p = plot.translateToJava2D(theta, radius, plot.getAxis(), dataArea);

        Shape shape = ShapeUtilities.createTranslatedShape(point, p.getX(), p.getY());

        g2.fill(shape);
    }
}

From source file:cgpanalyser.gui.chart.XYChartPanel.java

public void setNextCrosshairValue(JFreeChart jfreechart) {
    XYPlot plot = (XYPlot) jfreechart.getPlot();
    XYDataset dataset = plot.getDataset();

    //set crosshair to next value if not on last already
    for (int i = 0; i < dataSampler.getLastToDisplay().size() - 1; i++) { //find generation in datasampler.todisplay
        if ((int) plot.getDomainCrosshairValue() == dataSampler.getLastToDisplay().get(i).getGenNumber()) {
            plot.setDomainCrosshairValue(dataset.getXValue(0, i + 1));
            plot.setRangeCrosshairValue(dataset.getYValue(0, i + 1));
            break;
        }//from   www .java  2s  . c o m
    }

}

From source file:com.newatlanta.bluedragon.CustomXYStepRenderer.java

public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {
    super.drawItem(g2, state, dataArea, info, plot, domainAxis, rangeAxis, dataset, series, item,
            crosshairState, pass);//  ww  w . ja va  2 s.c  o m

    // draw the item label if there is one...
    if (isItemLabelVisible(series, item)) {
        // get the data point...
        double x1 = dataset.getXValue(series, item);
        double y1 = dataset.getYValue(series, item);
        if (Double.isNaN(y1)) {
            return;
        }

        RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
        RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
        double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
        double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

        double xx = transX1;
        double yy = transY1;
        PlotOrientation orientation = plot.getOrientation();
        if (orientation == PlotOrientation.HORIZONTAL) {
            xx = transY1;
            yy = transX1;
        }
        drawItemLabel(g2, orientation, dataset, series, item, xx, yy, (y1 < 0.0));
    }
}

From source file:net.sf.maltcms.chromaui.charts.events.XYAnnotationAdder.java

/**
 * @param v/*  w w  w.ja va  2 s .  c o m*/
 * @return
 */
private Point2D getPoint(final IEvent<XYItemEntity> v) {
    int dataset = v.get().getSeriesIndex();
    int item = v.get().getItem();
    XYDataset xyds = v.get().getDataset();
    Point2D point = new Point2D.Double(xyds.getXValue(dataset, item), xyds.getYValue(dataset, item));
    return point;
}