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

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

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Introduction

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

Prototype

public double getYValue(int series, int item);

Source Link

Document

Returns the y-value (as a double primitive) for an item within a series.

Usage

From source file:com.chart.SwingChart.java

/**
 * //w w  w. j  a v  a  2  s.c  o  m
 * @param name Chart name
 * @param parent Skeleton parent
 * @param axes Configuration of axes
 * @param abcissaName Abcissa name
 */
public SwingChart(String name, final Skeleton parent, List<AxisChart> axes, String abcissaName) {
    this.skeleton = parent;
    this.axes = axes;
    this.name = name;

    this.abcissaFormat = NumberFormat.getInstance(Locale.getDefault());
    this.ordinateFormat = NumberFormat.getInstance(Locale.getDefault());

    plot = new XYPlot();
    plot.setBackgroundPaint(scene2awtColor(javafx.scene.paint.Color.web(strChartBackgroundColor)));
    plot.setDomainGridlinePaint(scene2awtColor(javafx.scene.paint.Color.web(strGridlineColor)));
    plot.setRangeGridlinePaint(scene2awtColor(javafx.scene.paint.Color.web(strGridlineColor)));
    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));

    abcissaAxis = new NumberAxis(abcissaName);
    ((NumberAxis) abcissaAxis).setAutoRangeIncludesZero(false);
    abcissaAxis.setTickLabelFont(new Font("SansSerif", Font.PLAIN, 12));
    abcissaAxis.setLabelFont(new Font("SansSerif", Font.PLAIN, 12));
    abcissaAxis.setLabelPaint(scene2awtColor(javafx.scene.paint.Color.web(strTickColor)));
    abcissaAxis.setTickLabelPaint(scene2awtColor(javafx.scene.paint.Color.web(strTickColor)));
    abcissaAxis.setAutoRange(true);
    abcissaAxis.setLowerMargin(0.0);
    abcissaAxis.setUpperMargin(0.0);
    abcissaAxis.setTickLabelsVisible(true);
    abcissaAxis.setLabelFont(abcissaAxis.getLabelFont().deriveFont(fontSize));
    abcissaAxis.setTickLabelFont(abcissaAxis.getLabelFont().deriveFont(fontSize));

    plot.setDomainAxis(abcissaAxis);

    for (int i = 0; i < axes.size(); i++) {
        AxisChart categoria = axes.get(i);
        addAxis(categoria.getName());

        for (int j = 0; j < categoria.configSerieList.size(); j++) {
            SimpleSeriesConfiguration cs = categoria.configSerieList.get(j);
            addSeries(categoria.getName(), cs);
        }
    }
    chart = new JFreeChart("", new Font("SansSerif", Font.BOLD, 16), plot, false);

    chart.setBackgroundPaint(scene2awtColor(javafx.scene.paint.Color.web(strBackgroundColor)));

    chartPanel = new ChartPanel(chart);
    chartPanel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4),
            BorderFactory.createLineBorder(scene2awtColor(javafx.scene.paint.Color.web(strBackgroundColor)))));

    chartPanel.getInputMap().put(KeyStroke.getKeyStroke("ESCAPE"), "escape");
    chartPanel.getActionMap().put("escape", new AbstractAction() {

        @Override
        public void actionPerformed(java.awt.event.ActionEvent e) {
            for (int i = 0; i < plot.getDatasetCount(); i++) {
                XYDataset test = plot.getDataset(i);
                XYItemRenderer r = plot.getRenderer(i);
                r.removeAnnotations();
            }
        }
    });

    chartPanel.addChartMouseListener(cml = new ChartMouseListener() {
        @Override
        public void chartMouseClicked(ChartMouseEvent event) {
        }

        @Override
        public void chartMouseMoved(ChartMouseEvent event) {
            try {
                XYItemEntity xyitem = (XYItemEntity) event.getEntity(); // get clicked entity
                XYDataset dataset = (XYDataset) xyitem.getDataset(); // get data set    
                double x = dataset.getXValue(xyitem.getSeriesIndex(), xyitem.getItem());
                double y = dataset.getYValue(xyitem.getSeriesIndex(), xyitem.getItem());

                final XYPlot plot = chart.getXYPlot();
                for (int i = 0; i < plot.getDatasetCount(); i++) {
                    XYDataset test = plot.getDataset(i);
                    XYItemRenderer r = plot.getRenderer(i);
                    r.removeAnnotations();
                    if (test == dataset) {
                        NumberAxis ejeOrdenada = AxesList.get(i);
                        double y_max = ejeOrdenada.getUpperBound();
                        double y_min = ejeOrdenada.getLowerBound();
                        double x_max = abcissaAxis.getUpperBound();
                        double x_min = abcissaAxis.getLowerBound();
                        double angulo;
                        if (y > (y_max + y_min) / 2 && x > (x_max + x_min) / 2) {
                            angulo = 3.0 * Math.PI / 4.0;
                        } else if (y > (y_max + y_min) / 2 && x < (x_max + x_min) / 2) {
                            angulo = 1.0 * Math.PI / 4.0;
                        } else if (y < (y_max + y_min) / 2 && x < (x_max + x_min) / 2) {
                            angulo = 7.0 * Math.PI / 4.0;
                        } else {
                            angulo = 5.0 * Math.PI / 4.0;
                        }

                        CircleDrawer cd = new CircleDrawer((Color) r.getSeriesPaint(xyitem.getSeriesIndex()),
                                new BasicStroke(2.0f), null);
                        //XYAnnotation bestBid = new XYDrawableAnnotation(dataset.getXValue(xyitem.getSeriesIndex(), xyitem.getItem()), dataset.getYValue(xyitem.getSeriesIndex(), xyitem.getItem()), 11, 11, cd);
                        String txt = "X:" + abcissaFormat.format(x) + ", Y:" + ordinateFormat.format(y);
                        XYPointerAnnotation anotacion = new XYPointerAnnotation(txt,
                                dataset.getXValue(xyitem.getSeriesIndex(), xyitem.getItem()),
                                dataset.getYValue(xyitem.getSeriesIndex(), xyitem.getItem()), angulo);
                        anotacion.setTipRadius(10.0);
                        anotacion.setBaseRadius(35.0);
                        anotacion.setFont(new Font("SansSerif", Font.PLAIN, 10));

                        if (Long.parseLong((strChartBackgroundColor.replace("#", "")), 16) > 0xffffff / 2) {
                            anotacion.setPaint(Color.black);
                            anotacion.setArrowPaint(Color.black);
                        } else {
                            anotacion.setPaint(Color.white);
                            anotacion.setArrowPaint(Color.white);
                        }

                        //bestBid.setPaint((Color) r.getSeriesPaint(xyitem.getSeriesIndex()));
                        r.addAnnotation(anotacion);
                    }
                }

                //LabelValorVariable.setSize(LabelValorVariable.getPreferredSize());
            } catch (NullPointerException | ClassCastException ex) {

            }
        }
    });

    chartPanel.setPopupMenu(null);
    chartPanel.setBackground(scene2awtColor(javafx.scene.paint.Color.web(strBackgroundColor)));

    SwingNode sn = new SwingNode();
    sn.setContent(chartPanel);
    chartFrame = new VBox();
    chartFrame.getChildren().addAll(sn, legendFrame);
    VBox.setVgrow(sn, Priority.ALWAYS);
    VBox.setVgrow(legendFrame, Priority.NEVER);

    chartFrame.getStylesheets().addAll(SwingChart.class.getResource("overlay-chart.css").toExternalForm());

    legendFrame.setStyle("marco: " + strBackgroundColor + ";-fx-background-color: marco;");

    MenuItem mi;
    mi = new MenuItem("Print");
    mi.setOnAction((ActionEvent t) -> {
        print(chartFrame);
    });
    contextMenuList.add(mi);

    sn.setOnMouseClicked((MouseEvent t) -> {
        if (menu != null) {
            menu.hide();
        }
        if (t.getClickCount() == 2) {
            backgroundEdition();
        }
    });

    mi = new MenuItem("Copy to clipboard");
    mi.setOnAction((ActionEvent t) -> {
        copyClipboard(chartFrame);
    });
    contextMenuList.add(mi);

    mi = new MenuItem("Export values");
    mi.setOnAction((ActionEvent t) -> {
        FileChooser fileChooser = new FileChooser();
        fileChooser.setTitle("Export to file");
        fileChooser.getExtensionFilters()
                .addAll(new FileChooser.ExtensionFilter("Comma Separated Values", "*.csv"));

        Window w = null;
        try {
            w = parent.getScene().getWindow();
        } catch (NullPointerException e) {

        }
        File file = fileChooser.showSaveDialog(w);
        if (file != null) {
            export(file);
        }
    });
    contextMenuList.add(mi);

    chartFrame.setOnContextMenuRequested((ContextMenuEvent t) -> {
        if (menu != null) {
            menu.hide();
        }
        menu = new ContextMenu();
        menu.getItems().addAll(contextMenuList);
        menu.show(chartFrame, t.getScreenX(), t.getScreenY());
    });

}

From source file:org.jfree.data.general.DatasetUtilities.java

/**
 * Returns the interpolated value of y that corresponds to the specified
 * x-value in the given series.  If the x-value falls outside the range of
 * x-values for the dataset, this method returns <code>Double.NaN</code>.
 * //  w ww .  j av  a2  s  .c  o  m
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param series  the series index.
 * @param x  the x-value.
 * 
 * @return The y value.
 * 
 * @since 1.0.16
 */
public static double findYValue(XYDataset dataset, int series, double x) {
    // delegate null check on dataset
    int[] indices = findItemIndicesForX(dataset, series, x);
    if (indices[0] == -1) {
        return Double.NaN;
    }
    if (indices[0] == indices[1]) {
        return dataset.getYValue(series, indices[0]);
    }
    double x0 = dataset.getXValue(series, indices[0]);
    double x1 = dataset.getXValue(series, indices[1]);
    double y0 = dataset.getYValue(series, indices[0]);
    double y1 = dataset.getYValue(series, indices[1]);
    return y0 + (y1 - y0) * (x - x0) / (x1 - x0);
}

From source file:net.sf.mzmine.modules.visualization.spectra.renderers.SpectraItemLabelGenerator.java

/**
 * @see org.jfree.chart.labels.XYItemLabelGenerator#generateLabel(org.jfree.data.xy.XYDataset,
 *      int, int)/*from www. j  a va 2  s.c o m*/
 */
public String generateLabel(XYDataset dataset, int series, int item) {

    // X and Y values of current data point
    double originalX = dataset.getX(series, item).doubleValue();
    double originalY = dataset.getY(series, item).doubleValue();

    // Calculate data size of 1 screen pixel
    double xLength = (double) plot.getXYPlot().getDomainAxis().getRange().getLength();
    double pixelX = xLength / plot.getWidth();

    // Size of data set
    int itemCount = dataset.getItemCount(series);

    // Search for data points higher than this one in the interval
    // from limitLeft to limitRight
    double limitLeft = originalX - ((POINTS_RESERVE_X / 2) * pixelX);
    double limitRight = originalX + ((POINTS_RESERVE_X / 2) * pixelX);

    // Iterate data points to the left and right
    for (int i = 1; (item - i > 0) || (item + i < itemCount); i++) {

        // If we get out of the limit we can stop searching
        if ((item - i > 0) && (dataset.getXValue(series, item - i) < limitLeft)
                && ((item + i >= itemCount) || (dataset.getXValue(series, item + i) > limitRight)))
            break;

        if ((item + i < itemCount) && (dataset.getXValue(series, item + i) > limitRight)
                && ((item - i <= 0) || (dataset.getXValue(series, item - i) < limitLeft)))
            break;

        // If we find higher data point, bail out
        if ((item - i > 0) && (originalY <= dataset.getYValue(series, item - i)))
            return null;

        if ((item + i < itemCount) && (originalY <= dataset.getYValue(series, item + i)))
            return null;

    }

    // Create label
    String label = null;
    if (dataset instanceof ScanDataSet) {
        label = ((ScanDataSet) dataset).getAnnotation(item);
    }
    if (label == null) {
        double mzValue = dataset.getXValue(series, item);
        label = mzFormat.format(mzValue);
    }

    return label;

}

From source file:net.sf.fspdfs.chartthemes.spring.EyeCandySixtiesChartTheme.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) {
    // return straight away if the item is not visible
    if (!getItemVisible(series, item)) {
        return;/*from  ww w. j  av  a  2 s .  c om*/
    }

    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 transDomain = 0.0;
        double transRange = 0.0;
        double zero;

        switch (getScaleType()) {
        case SCALE_ON_DOMAIN_AXIS:
            zero = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
            transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero;
            transRange = transDomain;
            break;
        case SCALE_ON_RANGE_AXIS:
            zero = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
            transRange = zero - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
            transDomain = transRange;
            break;
        default:
            double zero1 = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
            double zero2 = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
            transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero1;
            transRange = zero2 - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
        }
        transDomain = Math.abs(transDomain);
        transRange = Math.abs(transRange);
        Ellipse2D circle = null;
        if (orientation == PlotOrientation.VERTICAL) {
            circle = new Ellipse2D.Double(transX - transDomain / 2.0, transY - transRange / 2.0, transDomain,
                    transRange);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            circle = new Ellipse2D.Double(transY - transRange / 2.0, transX - transDomain / 2.0, transRange,
                    transDomain);
        }

        Paint paint = getItemPaint(series, item);
        if (paint instanceof GradientPaint) {
            paint = new StandardGradientPaintTransformer().transform((GradientPaint) paint, circle);
        }
        g2.setPaint(paint);
        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);
            }
        }

        // add an entity if this info is being collected
        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
            if (entities != null && circle.intersects(dataArea)) {
                addEntity(entities, circle, dataset, series, item, circle.getCenterX(), circle.getCenterY());
            }
        }

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

From source file:net.sf.mzmine.modules.visualization.metamsecorrelate.visual.pseudospectra.PseudoSpectraItemLabelGenerator.java

/**
 * @see org.jfree.chart.labels.XYItemLabelGenerator#generateLabel(org.jfree.data.xy.XYDataset,
 *      int, int)//from   w  w w .  ja v a2  s .  c om
 */
public String generateLabel(XYDataset dataset, int series, int item) {

    // X and Y values of current data point
    double originalX = dataset.getX(series, item).doubleValue();
    double originalY = dataset.getY(series, item).doubleValue();

    // Calculate data size of 1 screen pixel
    double xLength = (double) plot.getChart().getXYPlot().getDomainAxis().getRange().getLength();
    double pixelX = xLength / plot.getWidth();

    // Size of data set
    int itemCount = dataset.getItemCount(series);

    // Search for data points higher than this one in the interval
    // from limitLeft to limitRight
    double limitLeft = originalX - ((POINTS_RESERVE_X / 2) * pixelX);
    double limitRight = originalX + ((POINTS_RESERVE_X / 2) * pixelX);

    // Iterate data points to the left and right
    for (int i = 1; (item - i > 0) || (item + i < itemCount); i++) {

        // If we get out of the limit we can stop searching
        if ((item - i > 0) && (dataset.getXValue(series, item - i) < limitLeft)
                && ((item + i >= itemCount) || (dataset.getXValue(series, item + i) > limitRight)))
            break;

        if ((item + i < itemCount) && (dataset.getXValue(series, item + i) > limitRight)
                && ((item - i <= 0) || (dataset.getXValue(series, item - i) < limitLeft)))
            break;

        // If we find higher data point, bail out
        if ((item - i > 0) && (originalY <= dataset.getYValue(series, item - i)))
            return null;

        if ((item + i < itemCount) && (originalY <= dataset.getYValue(series, item + i)))
            return null;

    }

    // Create label
    String label = null;
    if (dataset instanceof PseudoSpectrumDataSet) {
        double mzValue = dataset.getXValue(series, item);
        label = mzFormat.format(mzValue);
        String ann = ((PseudoSpectrumDataSet) dataset).getAnnotation(item);
        if (ann != null)
            label = label + "\n" + ann;
        return label;
    }
    if (label == null) {
        double mzValue = dataset.getXValue(series, item);
        label = mzFormat.format(mzValue);
    }

    return label;

}

From source file:edu.dlnu.liuwenpeng.render.XYLineAndShapeRenderer.java

/**    
* Draws the item (first pass). This method draws the lines    
* connecting the items.    /*w  w  w .  j ava  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 plot  the plot (can be used to obtain standard color    
*              information etc).    
* @param domainAxis  the domain axis.    
* @param rangeAxis  the range axis.    
* @param dataset  the dataset.    
* @param pass  the pass.    
* @param series  the series index (zero-based).    
* @param item  the item index (zero-based).    
*/
protected void drawPrimaryLine(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset,
        int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) {
    if (item == 0) {
        return;
    }

    // get the data point...    
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

    double x0 = dataset.getXValue(series, item - 1);
    double y0 = dataset.getYValue(series, item - 1);
    if (Double.isNaN(y0) || Double.isNaN(x0)) {
        return;
    }

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

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

    // only draw if we have good values    
    if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1) || Double.isNaN(transY1)) {
        return;
    }

    PlotOrientation orientation = plot.getOrientation();
    if (orientation == PlotOrientation.HORIZONTAL) {
        state.workingLine.setLine(transY0, transX0, transY1, transX1);
    } else if (orientation == PlotOrientation.VERTICAL) {
        state.workingLine.setLine(transX0, transY0, transX1, transY1);
    }

    if (state.workingLine.intersects(dataArea)) {
        drawFirstPassShape(g2, pass, series, item, state.workingLine);
    }
}

From source file:net.sf.jasperreports.chartthemes.spring.EyeCandySixtiesChartTheme.java

@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) {
    // return straight away if the item is not visible
    if (!getItemVisible(series, item)) {
        return;//www.  ja v a  2s  .co  m
    }

    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 transDomain = 0.0;
        double transRange = 0.0;
        double zero;

        switch (getScaleType()) {
        case SCALE_ON_DOMAIN_AXIS:
            zero = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
            transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero;
            transRange = transDomain;
            break;
        case SCALE_ON_RANGE_AXIS:
            zero = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
            transRange = zero - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
            transDomain = transRange;
            break;
        default:
            double zero1 = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
            double zero2 = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
            transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero1;
            transRange = zero2 - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
        }
        transDomain = Math.abs(transDomain);
        transRange = Math.abs(transRange);
        Ellipse2D circle = null;
        if (orientation == PlotOrientation.VERTICAL) {
            circle = new Ellipse2D.Double(transX - transDomain / 2.0, transY - transRange / 2.0, transDomain,
                    transRange);
        } else if (orientation == PlotOrientation.HORIZONTAL) {
            circle = new Ellipse2D.Double(transY - transRange / 2.0, transX - transDomain / 2.0, transRange,
                    transDomain);
        }

        Paint paint = getItemPaint(series, item);
        if (paint instanceof GradientPaint) {
            paint = new StandardGradientPaintTransformer().transform((GradientPaint) paint, circle);
        }
        g2.setPaint(paint);
        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);
            }
        }

        // add an entity if this info is being collected
        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
            if (entities != null && circle.intersects(dataArea)) {
                addEntity(entities, circle, dataset, series, item, circle.getCenterX(), circle.getCenterY());
            }
        }

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

From source file:edu.dlnu.liuwenpeng.render.XYLineAndShapeRenderer.java

/**    
 * Draws the item (first pass). This method draws the lines    
 * connecting the items. Instead of drawing separate lines,    
 * a GeneralPath is constructed and drawn at the end of    
 * the series painting.    /* w  w  w.java2  s  . co  m*/
 *    
 * @param g2  the graphics device.    
 * @param state  the renderer state.    
 * @param plot  the plot (can be used to obtain standard color information    
 *              etc).    
 * @param dataset  the dataset.    
 * @param pass  the pass.    
 * @param series  the series index (zero-based).    
 * @param item  the item index (zero-based).    
 * @param domainAxis  the domain axis.    
 * @param rangeAxis  the range axis.    
 * @param dataArea  the area within which the data is being drawn.    
 */
protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset,
        int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea) {

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();

    // get the data point...    
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
    double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);

    State s = (State) state;
    // update path to reflect latest point    
    if (!Double.isNaN(transX1) && !Double.isNaN(transY1)) {
        float x = (float) transX1;
        float y = (float) transY1;
        PlotOrientation orientation = plot.getOrientation();
        if (orientation == PlotOrientation.HORIZONTAL) {
            x = (float) transY1;
            y = (float) transX1;
        }
        if (s.isLastPointGood()) {
            s.seriesPath.lineTo(x, y);
        } else {
            s.seriesPath.moveTo(x, y);
        }
        s.setLastPointGood(true);
    } else {
        s.setLastPointGood(false);
    }
    // if this is the last item, draw the path ...    
    if (item == dataset.getItemCount(series) - 1) {
        // draw path    
        drawFirstPassShape(g2, pass, series, item, s.seriesPath);
    }
}

From source file:edu.dlnu.liuwenpeng.render.XYLineAndShapeRenderer.java

/**    
 * Draws the item shapes and adds chart entities (second pass). This method    
 * draws the shapes which mark the item positions. If <code>entities</code>    
 * is not <code>null</code> it will be populated with entity information    
 * for points that fall within the data area.    
 *    /*from  w w w. j a  v  a  2 s.  c o m*/
 * @param g2  the graphics device.    
 * @param plot  the plot (can be used to obtain standard color    
 *              information etc).    
 * @param domainAxis  the domain axis.    
 * @param dataArea  the area within which the data is being drawn.    
 * @param rangeAxis  the range axis.    
 * @param dataset  the dataset.    
 * @param pass  the pass.    
 * @param series  the series index (zero-based).    
 * @param item  the item index (zero-based).    
 * @param crosshairState  the crosshair state.    
 * @param entities the entity collection.    
 */
protected void drawSecondaryPass(Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item,
        ValueAxis domainAxis, Rectangle2D dataArea, ValueAxis rangeAxis, CrosshairState crosshairState,
        EntityCollection entities) {

    Shape entityArea = null;

    // get the data point...    
    double x1 = dataset.getXValue(series, item);
    double y1 = dataset.getYValue(series, item);
    if (Double.isNaN(y1) || Double.isNaN(x1)) {
        return;
    }

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

    if (getItemShapeVisible(series, item)) {
        Shape shape = getItemShape(series, item);
        if (orientation == PlotOrientation.HORIZONTAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, transY1, transX1);
        } else if (orientation == PlotOrientation.VERTICAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, transX1, transY1);
        }
        entityArea = shape;
        if (shape.intersects(dataArea)) {
            if (getItemShapeFilled(series, item)) {
                if (this.useFillPaint) {
                    g2.setPaint(getItemFillPaint(series, item));
                } else {
                    g2.setPaint(getItemPaint(series, item));
                }
                //g2.fill(shape);    
            }
            if (this.drawOutlines) {
                if (getUseOutlinePaint()) {
                    g2.setPaint(getItemOutlinePaint(series, item));
                } else {
                    g2.setPaint(getItemPaint(series, item));
                }
                g2.setStroke(getItemOutlineStroke(series, item));
                // g2.draw(shape);    
            }
        }
    }

    double xx = transX1;
    double yy = transY1;
    if (orientation == PlotOrientation.HORIZONTAL) {
        xx = transY1;
        yy = transX1;
    }

    // draw the item label if there is one...    
    if (isItemLabelVisible(series, item)) {
        drawItemLabel(g2, orientation, dataset, series, item, xx, yy, (y1 < 0.0));
    }

    int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
    int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
    updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1,
            orientation);

    // add an entity for the item, but only if it falls within the data    
    // area...    
    if (entities != null && isPointInRect(dataArea, xx, yy)) {
        addEntity(entities, entityArea, dataset, series, item, xx, yy);
    }
}

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

/**
 * Returns the range of values the renderer requires to display all the 
 * items from the specified dataset./* w  w w.  j a v a 2s .  co m*/
 * 
 * @param dataset  the dataset (<code>null</code> permitted).
 * 
 * @return The range (<code>null</code> if the dataset is <code>null</code> 
 *         or empty).
 */
public Range findRangeBounds(XYDataset dataset) {
    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();
    double lvalue;
    double uvalue;
    if (dataset instanceof VectorXYDataset) {
        VectorXYDataset vdataset = (VectorXYDataset) dataset;
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {
                double delta = vdataset.getDeltaYValue(series, item);
                if (delta < 0.0) {
                    uvalue = vdataset.getYValue(series, item);
                    lvalue = uvalue + delta;
                } else {
                    lvalue = vdataset.getYValue(series, item);
                    uvalue = lvalue + delta;
                }
                minimum = Math.min(minimum, lvalue);
                maximum = Math.max(maximum, uvalue);
            }
        }
    } else {
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {
                lvalue = dataset.getYValue(series, item);
                uvalue = lvalue;
                minimum = Math.min(minimum, lvalue);
                maximum = Math.max(maximum, uvalue);
            }
        }
    }
    if (minimum > maximum) {
        return null;
    } else {
        return new Range(minimum, maximum);
    }
}