List of usage examples for org.jfree.chart.plot XYPlot getRangeAxisEdge
public RectangleEdge getRangeAxisEdge()
From source file:org.yccheok.jstock.gui.charting.ChartLayerUI.java
private Point2D.Double _getPointForCandlestick(int plotIndex, int seriesIndex, int dataIndex) { final ChartPanel chartPanel = this.chartJDialog.getChartPanel(); final XYPlot plot = this.chartJDialog.getPlot(plotIndex); final ValueAxis domainAxis = plot.getDomainAxis(); final RectangleEdge domainAxisEdge = plot.getDomainAxisEdge(); final ValueAxis rangeAxis = plot.getRangeAxis(); final RectangleEdge rangeAxisEdge = plot.getRangeAxisEdge(); final org.jfree.data.xy.DefaultHighLowDataset defaultHighLowDataset = (org.jfree.data.xy.DefaultHighLowDataset) plot .getDataset(seriesIndex);// www .ja v a 2 s . co m if (dataIndex >= defaultHighLowDataset.getItemCount(0)) { /* Not ready yet. */ return null; } final double xValue = defaultHighLowDataset.getXDate(0, dataIndex).getTime(); final double yValue = defaultHighLowDataset.getCloseValue(0, dataIndex); final Rectangle2D plotArea = chartPanel.getChartRenderingInfo().getPlotInfo().getSubplotInfo(plotIndex) .getDataArea(); final double xJava2D = domainAxis.valueToJava2D(xValue, plotArea, domainAxisEdge); final double yJava2D = rangeAxis.valueToJava2D(yValue, plotArea, rangeAxisEdge); // Use Double version, to avoid from losing precision. return new Point2D.Double(xJava2D, yJava2D); }
From source file:edu.dlnu.liuwenpeng.render.NewXYBarRenderer.java
/** * Initialises the renderer and returns a state object that should be * passed to all subsequent calls to the drawItem() method. Here we * calculate the Java2D y-coordinate for zero, since all the bars have * their bases fixed at zero. //w ww.j a v a 2 s .c om * * @param g2 the graphics device. * @param dataArea the area inside the axes. * @param plot the plot. * @param dataset the data. * @param info an optional info collection object to return data back to * the caller. * * @return A state object. */ public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot, XYDataset dataset, PlotRenderingInfo info) { XYBarRendererState state = new XYBarRendererState(info); ValueAxis rangeAxis = plot.getRangeAxisForDataset(plot.indexOf(dataset)); state.setG2Base(rangeAxis.valueToJava2D(this.base, dataArea, plot.getRangeAxisEdge())); return state; }
From source file:com.newatlanta.bluedragon.CustomClusteredXYBarRenderer.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) { IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset; Paint seriesPaint = getItemPaint(series, item); double value0; double value1; if (getUseYInterval()) { value0 = intervalDataset.getStartYValue(series, item); value1 = intervalDataset.getEndYValue(series, item); } else {/*from w w w .j ava2 s . co m*/ value0 = getBase(); value1 = intervalDataset.getYValue(series, item); } if (Double.isNaN(value0) || Double.isNaN(value1)) { return; } double translatedValue0 = rangeAxis.valueToJava2D(value0, dataArea, plot.getRangeAxisEdge()); double translatedValue1 = rangeAxis.valueToJava2D(value1, dataArea, plot.getRangeAxisEdge()); RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); double x1 = intervalDataset.getStartXValue(series, item); double translatedX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); double x2 = intervalDataset.getEndXValue(series, item); double translatedX2 = domainAxis.valueToJava2D(x2, dataArea, xAxisLocation); double translatedWidth = Math.max(1, Math.abs(translatedX2 - translatedX1)); double translatedHeight = Math.abs(translatedValue0 - translatedValue1); /* * With BlueDragon, this value is always false so it's safe to comment this * code out. if (this.centerBarAtStartValue) { translatedX1 -= * translatedWidth / 2; } */ PlotOrientation orientation = plot.getOrientation(); if (getMargin() > 0.0) { if (orientation == PlotOrientation.HORIZONTAL) { // BEGIN fix for horizontal bar charts that have a margin double cut = translatedWidth * getMargin(); translatedWidth = translatedWidth - cut; translatedX1 = translatedX1 - cut / 2; // END fix for horizontal bar charts that have a margin } else if (orientation == PlotOrientation.VERTICAL) { double cut = translatedWidth * getMargin(); translatedWidth = translatedWidth - cut; translatedX1 = translatedX1 + cut / 2; } } int numSeries = dataset.getSeriesCount(); double seriesBarWidth = translatedWidth / numSeries; Rectangle2D bar = null; if (orientation == PlotOrientation.HORIZONTAL) { bar = new Rectangle2D.Double(Math.min(translatedValue0, translatedValue1), translatedX1 - seriesBarWidth * (numSeries - series), translatedHeight, seriesBarWidth); } else if (orientation == PlotOrientation.VERTICAL) { bar = new Rectangle2D.Double(translatedX1 + seriesBarWidth * series, Math.min(translatedValue0, translatedValue1), seriesBarWidth, translatedHeight); } g2.setPaint(seriesPaint); g2.fill(bar); if (isDrawBarOutline() && Math.abs(translatedX2 - translatedX1) > 3) { g2.setStroke(getItemOutlineStroke(series, item)); g2.setPaint(getItemOutlinePaint(series, item)); g2.draw(bar); } // TODO: we need something better for the item labels if (isItemLabelVisible(series, item)) { // Change parameters passed to this method to call our local version drawItemLabel(g2, orientation, dataset, series, item, bar, value1 < 0.0); } // add an entity for the item... if (info != null) { EntityCollection entities = info.getOwner().getEntityCollection(); 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(bar, dataset, series, item, tip, url); entities.add(entity); } } }
From source file:org.trade.ui.chart.renderer.PivotRenderer.java
/** * Draws the visual representation of a single data item. * // ww w . ja v a 2 s.c o 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. * @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. * @see org.jfree.chart.renderer.xy.XYItemRenderer#drawItem(Graphics2D, * XYItemRendererState, Rectangle2D, PlotRenderingInfo, XYPlot, * ValueAxis, ValueAxis, XYDataset, int, int, CrosshairState, int) */ 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) { // do nothing if item is not visible if (!getItemVisible(series, item)) { return; } // get the data point... double x = dataset.getXValue(series, item); double y = dataset.getYValue(series, item); double adjx = (this.dotWidth - 1) / 2.0; double adjy = (this.dotHeight - 1) / 2.0; if (!Double.isNaN(y)) { 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(getItemPaint(series, item)); PlotOrientation orientation = plot.getOrientation(); if (orientation == PlotOrientation.HORIZONTAL) { g2.fillRect((int) transY, (int) transX, this.dotHeight, this.dotWidth); } else if (orientation == PlotOrientation.VERTICAL) { g2.fillRect((int) transX, (int) transY, this.dotWidth, this.dotHeight); } int domainAxisIndex = plot.getDomainAxisIndex(domainAxis); int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis); updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY, orientation); PivotDataset pivotDataset = (PivotDataset) dataset; if (null != pivotDataset.getPivotSide(series, item)) { String ledgend = "Pivot"; if (pivotDataset.getPivotSide(series, item).equals(Side.BOT)) { drawPivotArrow(g2, plot, dataArea, domainAxis, rangeAxis, item, info, 45d, x, pivotDataset.getPivotValue(series, item), ledgend); } else { drawPivotArrow(g2, plot, dataArea, domainAxis, rangeAxis, item, info, -45d, x, pivotDataset.getPivotValue(series, item), ledgend); } } } }
From source file:org.mwc.cmap.grideditor.chart.DataPointsDragTracker.java
public void chartMouseMoved(final ChartMouseEvent event) { if (!myDragSubject.isEmpty()) { myChartPanel.forgetZoomPoints(); // Rectangle clientArea = myChartPanel.getClientArea(); // int screenX = event.getTrigger().getX() - clientArea.x; // int screenY = event.getTrigger().getY() - clientArea.y; // [IM] don't bother with sorting out the client area offset // - we've stopped using it in the FixedChartComposite calling method final int screenX = event.getTrigger().getX(); final int screenY = event.getTrigger().getY(); // deliberately switch axes for following line, now that we've switched // the axes to put time // down the LH side. final Point2D point2d = new Point2D.Double(screenY, screenX); final XYPlot xyplot = myChartPanel.getChart().getXYPlot(); final ChartRenderingInfo renderingInfo = myChartPanel.getChartRenderingInfo(); Rectangle2D dataArea = renderingInfo.getPlotInfo().getDataArea(); // WORKAROUND: when the grid graph gets really wide, the labels on the // y-axis get stretched. // but, the dataArea value doesn't reflect this. // So, get the width values from the getScreenDataArea method - which // does reflect the scaling applied to the y axis. // - and all works well now. final Rectangle dataArea2 = myChartPanel.getScreenDataArea(); dataArea = new Rectangle2D.Double(dataArea2.x, dataArea.getY(), dataArea2.width, dataArea.getHeight()); final ValueAxis domainAxis = xyplot.getDomainAxis(); final RectangleEdge domainEdge = xyplot.getDomainAxisEdge(); final ValueAxis valueAxis = xyplot.getRangeAxis(); final RectangleEdge valueEdge = xyplot.getRangeAxisEdge(); double domainX = domainAxis.java2DToValue(point2d.getX(), dataArea, domainEdge); final double domainY = valueAxis.java2DToValue(point2d.getY(), dataArea, valueEdge); if (myAllowVerticalMovesOnly) { domainX = myDragSubject.getDraggedItem().getXValue(); }/*ww w.j a va 2 s . co m*/ if (!myDragSubject.isEmpty()) myDragSubject.setProposedValues(domainX, domainY); myChartPanel.redrawCanvas(); } }
From source file:com.diversityarrays.kdxplore.scatterplot.ScatterPlotPanel.java
private void setXYValues(ChartMouseEvent cme) { double pointX = cme.getTrigger().getPoint().x; double pointY = cme.getTrigger().getPoint().y; Rectangle2D plotArea = getChartPanel().getScreenDataArea(); XYPlot plot = (XYPlot) getChart().getPlot(); Double chartX = plot.getDomainAxis().java2DToValue(pointX, plotArea, plot.getDomainAxisEdge()); Double chartY = plot.getRangeAxis().java2DToValue(pointY, plotArea, plot.getRangeAxisEdge()); if (!stillChanging) { mouseDownPoint = new Point2D.Double(chartX, chartY); stillChanging = true;/*from w w w . j ava 2s .co m*/ } else { mouseUpPoint = new Point2D.Double(chartX, chartY); } if (mouseDownPoint != null && mouseUpPoint != null) { double dn = mouseDownPoint.getX(); double up = mouseUpPoint.getX(); double x0 = Math.min(dn, up); double x1 = Math.max(dn, up); dn = mouseDownPoint.getY(); up = mouseUpPoint.getY(); double y0 = Math.min(dn, up); double y1 = Math.max(dn, up); setSelectionRange(x0, y0, x1, y1); } }
From source file:com.att.aro.main.PacketPlots.java
/** * The utility method that creates the packet plots from a packet series map *//*from www.j a v a 2 s .c om*/ private XYPlot createPlot() { // Create the plot renderer YIntervalRenderer renderer = new YIntervalRenderer() { private static final long serialVersionUID = 1L; 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) { // setup for collecting optional entity info... Shape entityArea = null; EntityCollection entities = null; if (info != null) { entities = info.getOwner().getEntityCollection(); } IntervalXYDataset intervalDataset = (IntervalXYDataset) dataset; double x = intervalDataset.getXValue(series, item); double yLow = intervalDataset.getStartYValue(series, item); double yHigh = intervalDataset.getEndYValue(series, item); RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double xx = domainAxis.valueToJava2D(x, dataArea, xAxisLocation); double yyLow = rangeAxis.valueToJava2D(yLow, dataArea, yAxisLocation); double yyHigh = rangeAxis.valueToJava2D(yHigh, dataArea, yAxisLocation); Paint p = getItemPaint(series, item); Stroke s = getItemStroke(series, item); Line2D line = null; PlotOrientation orientation = plot.getOrientation(); if (orientation == PlotOrientation.HORIZONTAL) { line = new Line2D.Double(yyLow, xx, yyHigh, xx); } else if (orientation == PlotOrientation.VERTICAL) { line = new Line2D.Double(xx, yyLow, xx, yyHigh); } g2.setPaint(p); g2.setStroke(s); g2.draw(line); // add an entity for the item... if (entities != null) { if (entityArea == null) { entityArea = line.getBounds(); } String tip = null; XYToolTipGenerator generator = getToolTipGenerator(series, item); if (generator != null) { tip = generator.generateToolTip(dataset, series, item); } XYItemEntity entity = new XYItemEntity(entityArea, dataset, series, item, tip, null); entities.add(entity); } } }; renderer.setAdditionalItemLabelGenerator(null); renderer.setBaseShape(new Rectangle()); renderer.setAutoPopulateSeriesShape(false); renderer.setAutoPopulateSeriesPaint(false); renderer.setBasePaint(Color.GRAY); // Create the plot XYPlot plot = new XYPlot(null, null, new NumberAxis(), renderer); plot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT); plot.getRangeAxis().setVisible(false); return plot; }
From source file:projects.wdlf47tuc.ProcessAllSwathcal.java
/** * Main entry point./*ww w . j av a 2 s . c o m*/ * * @param args * * @throws IOException * */ public ProcessAllSwathcal() { // Path to AllSwathcal.dat file File allSwathcal = new File( "/home/nrowell/Astronomy/Data/47_Tuc/Kalirai_2012/UVIS/www.stsci.edu/~jkalirai/47Tuc/AllSwathcal.dat"); // Read file contents into the List try (BufferedReader in = new BufferedReader(new FileReader(allSwathcal))) { String sourceStr; while ((sourceStr = in.readLine()) != null) { Source source = Source.parseSource(sourceStr); if (source != null) { allSources.add(source); } } } catch (IOException e) { } logger.info("Parsed " + allSources.size() + " Sources from AllSwathcal.dat"); // Initialise chart cmdPanel = new ChartPanel(updateDataAndPlotCmd(allSources)); cmdPanel.addChartMouseListener(new ChartMouseListener() { @Override public void chartMouseClicked(ChartMouseEvent e) { // Capture mouse click location, transform to graph coordinates and add // a point to the polygonal selection box. Point2D p = cmdPanel.translateScreenToJava2D(e.getTrigger().getPoint()); Rectangle2D plotArea = cmdPanel.getScreenDataArea(); XYPlot plot = (XYPlot) cmdPanel.getChart().getPlot(); double chartX = plot.getDomainAxis().java2DToValue(p.getX(), plotArea, plot.getDomainAxisEdge()); double chartY = plot.getRangeAxis().java2DToValue(p.getY(), plotArea, plot.getRangeAxisEdge()); points.add(new double[] { chartX, chartY }); cmdPanel.setChart(plotCmd()); } @Override public void chartMouseMoved(ChartMouseEvent arg0) { } }); // Create colour combo boxes final JComboBox<Filter> magComboBox = new JComboBox<Filter>(filters); final JComboBox<Filter> col1ComboBox = new JComboBox<Filter>(filters); final JComboBox<Filter> col2ComboBox = new JComboBox<Filter>(filters); // Set initial values magComboBox.setSelectedItem(magFilter); col1ComboBox.setSelectedItem(col1Filter); col2ComboBox.setSelectedItem(col2Filter); // Create an action listener for these ActionListener al = new ActionListener() { @Override public void actionPerformed(ActionEvent evt) { if (evt.getSource() == magComboBox) { magFilter = (Filter) magComboBox.getSelectedItem(); } if (evt.getSource() == col1ComboBox) { col1Filter = (Filter) col1ComboBox.getSelectedItem(); } if (evt.getSource() == col2ComboBox) { col2Filter = (Filter) col2ComboBox.getSelectedItem(); } // Changed colour(s), so reset selection box coordinates points.clear(); cmdPanel.setChart(updateDataAndPlotCmd(allSources)); } }; magComboBox.addActionListener(al); col1ComboBox.addActionListener(al); col2ComboBox.addActionListener(al); // Add a bit of padding to space things out magComboBox.setBorder(new EmptyBorder(5, 5, 5, 5)); col1ComboBox.setBorder(new EmptyBorder(5, 5, 5, 5)); col2ComboBox.setBorder(new EmptyBorder(5, 5, 5, 5)); // Set up statistic sliders final JSlider magErrMaxSlider = GuiUtil.buildSlider(magErrorRangeMin, magErrorRangeMax, 3, "%3.3f"); final JSlider chi2MaxSlider = GuiUtil.buildSlider(chi2RangeMin, chi2RangeMax, 3, "%3.3f"); final JSlider sharpMinSlider = GuiUtil.buildSlider(sharpRangeMin, sharpRangeMax, 3, "%3.3f"); final JSlider sharpMaxSlider = GuiUtil.buildSlider(sharpRangeMin, sharpRangeMax, 3, "%3.3f"); // Set intial values magErrMaxSlider.setValue( (int) Math.rint(100.0 * (magErrMax - magErrorRangeMin) / (magErrorRangeMax - magErrorRangeMin))); chi2MaxSlider.setValue((int) Math.rint(100.0 * (chi2Max - chi2RangeMin) / (chi2RangeMax - chi2RangeMin))); sharpMinSlider .setValue((int) Math.rint(100.0 * (sharpMin - sharpRangeMin) / (sharpRangeMax - sharpRangeMin))); sharpMaxSlider .setValue((int) Math.rint(100.0 * (sharpMax - sharpRangeMin) / (sharpRangeMax - sharpRangeMin))); // Set labels & initial values final JLabel magErrMaxLabel = new JLabel(getMagErrMaxLabel()); final JLabel chi2MaxLabel = new JLabel(getChi2MaxLabel()); final JLabel sharpMinLabel = new JLabel(getSharpMinLabel()); final JLabel sharpMaxLabel = new JLabel(getSharpMaxLabel()); // Create a change listener fot these ChangeListener cl = new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { JSlider source = (JSlider) e.getSource(); if (source == magErrMaxSlider) { // Compute max mag error from slider position double newMagErrMax = magErrorRangeMin + (magErrorRangeMax - magErrorRangeMin) * (source.getValue() / 100.0); magErrMax = newMagErrMax; magErrMaxLabel.setText(getMagErrMaxLabel()); } if (source == chi2MaxSlider) { // Compute Chi2 max from slider position double newChi2Max = chi2RangeMin + (chi2RangeMax - chi2RangeMin) * (source.getValue() / 100.0); chi2Max = newChi2Max; chi2MaxLabel.setText(getChi2MaxLabel()); } if (source == sharpMinSlider) { // Compute sharp min from slider position double newSharpMin = sharpRangeMin + (sharpRangeMax - sharpRangeMin) * (source.getValue() / 100.0); sharpMin = newSharpMin; sharpMinLabel.setText(getSharpMinLabel()); } if (source == sharpMaxSlider) { // Compute sharp max from slider position double newSharpMax = sharpRangeMin + (sharpRangeMax - sharpRangeMin) * (source.getValue() / 100.0); sharpMax = newSharpMax; sharpMaxLabel.setText(getSharpMaxLabel()); } cmdPanel.setChart(updateDataAndPlotCmd(allSources)); } }; magErrMaxSlider.addChangeListener(cl); chi2MaxSlider.addChangeListener(cl); sharpMinSlider.addChangeListener(cl); sharpMaxSlider.addChangeListener(cl); // Add a bit of padding to space things out magErrMaxSlider.setBorder(new EmptyBorder(5, 5, 5, 5)); chi2MaxSlider.setBorder(new EmptyBorder(5, 5, 5, 5)); sharpMinSlider.setBorder(new EmptyBorder(5, 5, 5, 5)); sharpMaxSlider.setBorder(new EmptyBorder(5, 5, 5, 5)); // Text field to store distance modulus final JTextField distanceModulusField = new JTextField(Double.toString(mu)); distanceModulusField.setBorder(new EmptyBorder(5, 5, 5, 5)); Border compound = BorderFactory.createCompoundBorder(new LineBorder(this.getBackground(), 5), BorderFactory.createEtchedBorder(EtchedBorder.LOWERED)); final JButton lfButton = new JButton("Luminosity function for selection"); lfButton.setBorder(compound); lfButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // Read distance modulus field try { double mu_new = Double.parseDouble(distanceModulusField.getText()); mu = mu_new; } catch (NullPointerException | NumberFormatException ex) { JOptionPane.showMessageDialog(lfButton, "Error parsing the distance modulus: " + ex.getMessage(), "Distance Modulus Error", JOptionPane.ERROR_MESSAGE); return; } if (boxedSources.isEmpty()) { JOptionPane.showMessageDialog(lfButton, "No sources are currently selected!", "Selection Error", JOptionPane.ERROR_MESSAGE); } else { computeAndPlotLuminosityFunction(boxedSources); } } }); final JButton clearSelectionButton = new JButton("Clear selection"); clearSelectionButton.setBorder(compound); clearSelectionButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { points.clear(); cmdPanel.setChart(plotCmd()); } }); JPanel controls = new JPanel(new GridLayout(9, 2)); controls.setBorder(new EmptyBorder(10, 10, 10, 10)); controls.add(new JLabel("Magnitude = ")); controls.add(magComboBox); controls.add(new JLabel("Colour 1 = ")); controls.add(col1ComboBox); controls.add(new JLabel("Colour 2 = ")); controls.add(col2ComboBox); controls.add(magErrMaxLabel); controls.add(magErrMaxSlider); controls.add(chi2MaxLabel); controls.add(chi2MaxSlider); controls.add(sharpMinLabel); controls.add(sharpMinSlider); controls.add(sharpMaxLabel); controls.add(sharpMaxSlider); controls.add(new JLabel("Adopted distance modulus = ")); controls.add(distanceModulusField); controls.add(lfButton); controls.add(clearSelectionButton); this.setLayout(new BorderLayout()); this.add(cmdPanel, BorderLayout.CENTER); this.add(controls, BorderLayout.SOUTH); this.validate(); }
From source file:net.sourceforge.processdash.ev.ui.chart.RangeXYItemRenderer.java
/** Draws the visual representation of a single data item. *///from ww w . jav a 2 s . c o m @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 crosshairInfo, int pass) { // setup for collecting optional entity info... EntityCollection entities = null; if (info != null) { entities = info.getOwner().getEntityCollection(); } Shape entityArea = null; Paint paint = getItemPaint(series, item); Stroke seriesStroke = getItemStroke(series, item); g2.setPaint(paint); g2.setStroke(seriesStroke); // get the data point... Number x1n = dataset.getX(series, item); Number y1n = dataset.getY(series, item); if (y1n == null || x1n == null) { return; } double x1 = x1n.doubleValue(); double y1 = y1n.doubleValue(); final RectangleEdge xAxisLocation = plot.getDomainAxisEdge(); final RectangleEdge yAxisLocation = plot.getRangeAxisEdge(); double transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation); double transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation); PlotOrientation orientation = plot.getOrientation(); if (item > 0) { // get the previous data point... Number x0n = dataset.getX(series, item - 1); Number y0n = dataset.getY(series, item - 1); if (y0n != null && x0n != null) { double x0 = x0n.doubleValue(); double y0 = y0n.doubleValue(); double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation); double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation); // only draw if we have good values if (Double.isNaN(transX0) || Double.isNaN(transY0) || Double.isNaN(transX1) || Double.isNaN(transY1)) { return; } if (orientation == PlotOrientation.HORIZONTAL) { line.setLine(transY0, transX0, transY1, transX1); } else if (orientation == PlotOrientation.VERTICAL) { line.setLine(transX0, transY0, transX1, transY1); } if (y1n instanceof RangeInfo) { RangeInfo y1r = (RangeInfo) y1n; double transY1low = rangeAxis.valueToJava2D(y1r.getRangeLowerBound(false), dataArea, yAxisLocation); double transY1high = rangeAxis.valueToJava2D(y1r.getRangeUpperBound(false), dataArea, yAxisLocation); drawItemRangeGradient(g2, line, paint, seriesStroke, transX1, transY1low, transX1, transY1high); } else if (x1n instanceof RangeInfo) { RangeInfo x1r = (RangeInfo) x1n; double transX1low = domainAxis.valueToJava2D(x1r.getRangeLowerBound(false), dataArea, xAxisLocation); double transX1high = domainAxis.valueToJava2D(x1r.getRangeUpperBound(false), dataArea, xAxisLocation); drawItemRangeGradient(g2, line, paint, seriesStroke, transX1low, transY1, transX1high, transY1); } else if (line.intersects(dataArea)) { g2.draw(line); } } } else if (dataset.getItemCount(series) == 1) { 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); } if (shape.intersects(dataArea)) { if (getItemShapeFilled(series, item)) { g2.fill(shape); } else { g2.draw(shape); } } entityArea = shape; } if (entities != null && (dataArea.contains(transX1, transY1) || entityArea != null)) { addEntity(entities, entityArea, dataset, series, item, transX1, transY1); } }
From source file:anl.verdi.plot.jfree.XYBlockRenderer.java
/** * Draws the block representing the specified item. * * @param g2 the graphics device. * @param state the state.//from w w w . jav a 2s .c om * @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 z = 0.0; double max = paintScale.getUpperBound(); double min = paintScale.getLowerBound(); if (dataset instanceof XYZDataset) z = ((XYZDataset) dataset).getZValue(series, item); //NOTE: so to get the max/min color instead of unknown (Qun He, UNC, 03/19/2009) if (z > max) z = max; if (z < min) z = min; Color p = (Color) this.paintScale.getPaint(z); double xx0 = domainAxis.valueToJava2D(x + this.xOffset, dataArea, plot.getDomainAxisEdge()); double yy0 = rangeAxis.valueToJava2D(y + this.yOffset, dataArea, plot.getRangeAxisEdge()); double xx1 = domainAxis.valueToJava2D(x + this.blockWidth + this.xOffset, dataArea, plot.getDomainAxisEdge()); double yy1 = rangeAxis.valueToJava2D(y + this.blockHeight + this.yOffset, dataArea, plot.getRangeAxisEdge()); Rectangle2D block; PlotOrientation orientation = plot.getOrientation(); if (orientation.equals(PlotOrientation.HORIZONTAL)) { block = new Rectangle2D.Double(Math.min(yy0, yy1), Math.min(xx0, xx1), Math.abs(yy1 - yy0), Math.abs(xx0 - xx1)); } else { block = new Rectangle2D.Double(Math.min(xx0, xx1), Math.min(yy0, yy1), Math.abs(xx1 - xx0), Math.abs(yy1 - yy0)); } g2.setColor(p); g2.fill(block); if (gridLinesEnabled) { boolean aaOn = false; if (g2.getRenderingHint(RenderingHints.KEY_ANTIALIASING) == RenderingHints.VALUE_ANTIALIAS_ON) { g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); aaOn = true; } g2.setPaint(gridLineColor); g2.setStroke(gridLineStroke); g2.draw(block); if (aaOn) g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); } else { g2.setStroke(basicStroke); g2.draw(block); } }