List of usage examples for org.jfree.chart JFreeChart addSubtitle
public void addSubtitle(Title subtitle)
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Creates and returns a sample time series chart that will be displayed in a scroll pane. * * @return a sample time series chart./* w w w. j a v a 2 s.c om*/ */ public JFreeChart createTimeSeriesChartInScrollPane() { // create a default chart based on some sample data... final String title = this.resources.getString("test.scroll.title"); final String domain = this.resources.getString("test.scroll.domain"); final String range = this.resources.getString("test.scroll.range"); final String subtitleStr = this.resources.getString("test.scroll.subtitle"); final XYDataset data = DemoDatasetFactory.createTimeSeriesCollection2(); final JFreeChart chart = ChartFactory.createTimeSeriesChart(title, domain, range, data, true, true, false); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.gray)); return chart; }
From source file:org.sakaiproject.sitestats.impl.ServerWideReportManagerImpl.java
private byte[] createMonthlyLoginChart(int width, int height) { IntervalXYDataset dataset1 = getMonthlyLoginsDataSet(); IntervalXYDataset dataset3 = getMonthlySiteUserDataSet(); if ((dataset1 == null) || (dataset3 == null)) { return generateNoDataChart(width, height); }/*w w w.j a va2 s . c om*/ // create plot ... XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false); renderer1.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL)); renderer1.setSeriesPaint(0, Color.RED); DateAxis domainAxis = new DateAxis(""); domainAxis.setTickUnit(new DateTickUnit(DateTickUnit.MONTH, 1, new SimpleDateFormat("yyyy-MM"))); domainAxis.setTickMarkPosition(DateTickMarkPosition.START); domainAxis.setVerticalTickLabels(true); domainAxis.setLowerMargin(0.01); domainAxis.setUpperMargin(0.01); NumberAxis axis1 = new NumberAxis("Total Logins"); axis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); axis1.setLabelPaint(Color.RED); axis1.setTickLabelPaint(Color.RED); XYPlot plot1 = new XYPlot(dataset1, null, axis1, renderer1); plot1.setBackgroundPaint(Color.lightGray); plot1.setDomainGridlinePaint(Color.white); plot1.setRangeGridlinePaint(Color.white); // AXIS 2 /* NumberAxis axis2 = new NumberAxis("Total Unique Users"); axis2.setStandardTickUnits (NumberAxis.createIntegerTickUnits ()); axis2.setLabelPaint(Color.BLUE); axis2.setTickLabelPaint(Color.BLUE); plot1.setRangeAxis(1, axis2); plot1.setDataset(1, dataset2); plot1.mapDatasetToRangeAxis(1, 1); XYItemRenderer renderer2 = new XYLineAndShapeRenderer(true, false); renderer2.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL)); renderer2.setSeriesPaint (0, Color.BLUE); plot1.setRenderer(1, renderer2); */ // add a third dataset and renderer... XYItemRenderer renderer3 = new XYLineAndShapeRenderer(true, false); renderer3.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL)); renderer3.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL)); renderer3.setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL)); renderer3.setSeriesPaint(0, Color.GREEN); renderer3.setSeriesPaint(1, Color.BLACK); renderer3.setSeriesPaint(2, Color.CYAN); axis1 = new NumberAxis("count"); axis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); XYPlot plot2 = new XYPlot(dataset3, null, axis1, renderer3); plot2.setBackgroundPaint(Color.lightGray); plot2.setDomainGridlinePaint(Color.white); plot2.setRangeGridlinePaint(Color.white); CombinedDomainXYPlot cplot = new CombinedDomainXYPlot(domainAxis); cplot.add(plot1, 3); cplot.add(plot2, 2); cplot.setGap(8.0); cplot.setDomainGridlinePaint(Color.white); cplot.setDomainGridlinesVisible(true); // return a new chart containing the overlaid plot... JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, cplot, false); LegendTitle legend = new LegendTitle(cplot); chart.addSubtitle(legend); // set background chart.setBackgroundPaint(parseColor(statsManager.getChartBackgroundColor())); // set chart border chart.setPadding(new RectangleInsets(10, 5, 5, 5)); chart.setBorderVisible(true); chart.setBorderPaint(parseColor("#cccccc")); // set anti alias chart.setAntiAlias(true); BufferedImage img = chart.createBufferedImage(width, height); final ByteArrayOutputStream out = new ByteArrayOutputStream(); try { ImageIO.write(img, "png", out); } catch (IOException e) { log.warn("Error occurred while generating SiteStats chart image data", e); } return out.toByteArray(); }
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Creates and returns a sample time series chart. * * @return a sample time series chart./*from w ww .ja v a 2 s. c o m*/ */ public JFreeChart createTimeSeries2Chart() { // create a default chart based on some sample data... final String title = this.resources.getString("timeseries.sample2.title"); final String subtitleStr = this.resources.getString("timeseries.sample2.subtitle"); final String domain = this.resources.getString("timeseries.sample2.domain"); final String range = this.resources.getString("timeseries.sample2.range"); final XYDataset data = DemoDatasetFactory.createTimeSeriesCollection4(); final JFreeChart chart = ChartFactory.createTimeSeriesChart(title, domain, range, data, true, true, false); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue)); final XYPlot plot = chart.getXYPlot(); final LogarithmicAxis rangeAxis = new LogarithmicAxis(range); plot.setRangeAxis(rangeAxis); return chart; }
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Creates and returns a sample overlaid chart. * <P>//from w w w .j a v a2s . c om * Note: with the introduction of multiple secondary datasets in JFreeChart version 0.9.10, * the overlaid chart facility has been removed. You can achieve the same results using * a regular XYPlot with multiple datasets. * * @return an overlaid chart. */ public JFreeChart createOverlaidChart() { // create a default chart based on some sample data... final String title = this.resources.getString("combined.overlaid.title"); final String subtitleStr = this.resources.getString("combined.overlaid.subtitle"); final String domainAxisLabel = this.resources.getString("combined.overlaid.domain"); final String rangeAxisLabel = this.resources.getString("combined.overlaid.range"); // create high-low and moving average dataset final DefaultHighLowDataset highLowData = DemoDatasetFactory.createHighLowDataset(); // make an overlaid plot final ValueAxis domainAxis = new DateAxis(domainAxisLabel); final NumberAxis rangeAxis = new NumberAxis(rangeAxisLabel); rangeAxis.setAutoRangeIncludesZero(false); final XYItemRenderer renderer1 = new HighLowRenderer(); renderer1.setToolTipGenerator(new HighLowItemLabelGenerator()); final XYPlot plot = new XYPlot(highLowData, domainAxis, rangeAxis, renderer1); // overlay a moving average dataset final XYDataset maData = MovingAverage.createMovingAverage(highLowData, " (Moving Average)", 5 * 24 * 60 * 60 * 1000L, 5 * 24 * 60 * 60 * 1000L); plot.setDataset(1, maData); final XYItemRenderer renderer2 = new StandardXYItemRenderer(); renderer2.setToolTipGenerator( new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0,000.0"))); plot.setRenderer(1, renderer2); // make the top level JFreeChart object final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, true); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue)); return chart; }
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Creates a horizontally combined chart. * * @return a horizontally combined chart. */// w w w .j a v a2 s . c o m public JFreeChart createHorizontallyCombinedChart() { // create a default chart based on some sample data... final String title = this.resources.getString("combined.horizontal.title"); final String subtitleStr = this.resources.getString("combined.horizontal.subtitle"); final String[] domains = this.resources.getStringArray("combined.horizontal.domains"); final String rangeAxisLabel = this.resources.getString("combined.horizontal.range"); final TimeSeriesCollection dataset0 = new TimeSeriesCollection(); final TimeSeries eur = DemoDatasetFactory.createEURTimeSeries(); dataset0.addSeries(eur); final TimeSeriesCollection dataset1 = new TimeSeriesCollection(); final TimeSeries mav = MovingAverage.createMovingAverage(eur, "EUR/GBP (30 Day MA)", 30, 30); dataset1.addSeries(eur); dataset1.addSeries(mav); final TimeSeriesCollection dataset2 = new TimeSeriesCollection(); dataset2.addSeries(eur); // make a combined range plot final NumberAxis valueAxis = new NumberAxis(rangeAxisLabel); valueAxis.setAutoRangeIncludesZero(false); // override default final CombinedRangeXYPlot parent = new CombinedRangeXYPlot(valueAxis); parent.setRenderer(new StandardXYItemRenderer()); // add subplots final int[] weight = { 1, 1, 1 }; // controls space assigned to each subplot // add subplot 1... final XYPlot subplot1 = new XYPlot(dataset0, new DateAxis(domains[0]), null, new StandardXYItemRenderer()); parent.add(subplot1, weight[0]); // add subplot 2... final XYPlot subplot2 = new XYPlot(dataset1, new DateAxis(domains[1]), null, new StandardXYItemRenderer()); parent.add(subplot2, weight[1]); // add subplot 3... final XYPlot subplot3 = new XYPlot(dataset2, new DateAxis(domains[2]), null, new XYBarRenderer(0.20)); parent.add(subplot3, weight[2]); // now make the top level JFreeChart final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, parent, true); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue)); return chart; }
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Creates and returns a sample time series chart. * * @return a sample time series chart./* w ww .java 2 s . co m*/ */ public JFreeChart createTimeSeriesWithMAChart() { // create a default chart based on some sample data... final String title = this.resources.getString("timeseries.sample3.title"); final String domain = this.resources.getString("timeseries.sample3.domain"); final String range = this.resources.getString("timeseries.sample3.range"); final String subtitleStr = this.resources.getString("timeseries.sample3.subtitle"); final TimeSeries jpy = DemoDatasetFactory.createJPYTimeSeries(); final TimeSeries mav = MovingAverage.createMovingAverage(jpy, "30 Day Moving Average", 30, 30); final TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(jpy); dataset.addSeries(mav); final JFreeChart chart = ChartFactory.createTimeSeriesChart(title, domain, range, dataset, true, true, false); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue)); return chart; }
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Displays an XY chart that is periodically updated by a background thread. This is to * demonstrate the event notification system that automatically updates charts as required. * * @return a chart./*from w w w . j a v a2 s. co m*/ */ public JFreeChart createCombinedAndOverlaidDynamicXYChart() { // chart title and axis labels... final String title = this.resources.getString("combined.dynamic.title"); final String subtitleStr = this.resources.getString("combined.dynamic.subtitle"); final String domainAxisLabel = this.resources.getString("combined.dynamic.domain"); final String[] ranges = this.resources.getStringArray("combined.dynamic.ranges"); // setup sample base 2-series dataset final SampleXYDataset data = new SampleXYDataset(); // create some SubSeriesDatasets and CombinedDatasets to test events final XYDataset series0 = new SubSeriesDataset(data, 0); final XYDataset series1 = new SubSeriesDataset(data, 1); final CombinedDataset combinedData = new CombinedDataset(); combinedData.add(series0); combinedData.add(series1); // create common time axis final NumberAxis timeAxis = new NumberAxis(domainAxisLabel); timeAxis.setTickMarksVisible(true); timeAxis.setAutoRangeIncludesZero(false); // make one vertical axis for each (vertical) chart final NumberAxis[] valueAxis = new NumberAxis[4]; for (int i = 0; i < valueAxis.length; i++) { valueAxis[i] = new NumberAxis(ranges[i]); valueAxis[i].setAutoRangeIncludesZero(false); } final CombinedDomainXYPlot plot = new CombinedDomainXYPlot(timeAxis); // add subplot1... final XYItemRenderer renderer0 = new StandardXYItemRenderer(); final XYPlot subplot0 = new XYPlot(series0, null, valueAxis[0], renderer0); plot.add(subplot0, 1); // add subplot2... final XYItemRenderer renderer1 = new StandardXYItemRenderer(); final XYPlot subplot1 = new XYPlot(series1, null, valueAxis[1], renderer1); plot.add(subplot1, 1); // add subplot3... final XYPlot subplot2 = new XYPlot(series0, null, valueAxis[2], new StandardXYItemRenderer()); subplot2.setDataset(1, series1); subplot2.setRenderer(1, new StandardXYItemRenderer()); plot.add(subplot2, 1); // add subplot4... final XYItemRenderer renderer3 = new StandardXYItemRenderer(); final XYPlot subplot3 = new XYPlot(data, null, valueAxis[3], renderer3); plot.add(subplot3, 1); final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, true); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.cyan)); // setup thread to update base Dataset final SampleXYDatasetThread update = new SampleXYDatasetThread(data); final Thread thread = new Thread(update); thread.start(); return chart; }
From source file:org.operamasks.faces.render.graph.ChartRenderer.java
protected void setChartTitles(JFreeChart chart, UIChart comp) { String titleText = comp.getTitle(); if (titleText != null) { chart.setTitle(titleText);/*from w w w . jav a 2 s . c o m*/ } for (UIComponent kid : comp.getChildren()) { if (kid.isRendered() && (kid instanceof UITitle)) { TextTitle title = createTitle((UITitle) kid); if (chart.getTitle() == null) { chart.setTitle(title); } else { chart.addSubtitle(title); } } } }
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Creates and returns a sample vertically combined chart. * * @return a sample vertically combined chart. *///w w w .ja v a 2 s. c om public JFreeChart createVerticallyCombinedChart() { // create a default chart based on some sample data... final String title = this.resources.getString("combined.vertical.title"); final String subtitleStr = this.resources.getString("combined.vertical.subtitle"); final String domain = this.resources.getString("combined.vertical.domain"); final String[] ranges = this.resources.getStringArray("combined.vertical.ranges"); final TimeSeriesCollection dataset0 = new TimeSeriesCollection(); final TimeSeries eur = DemoDatasetFactory.createEURTimeSeries(); dataset0.addSeries(eur); final TimeSeriesCollection dataset1 = new TimeSeriesCollection(); final TimeSeries jpy = DemoDatasetFactory.createJPYTimeSeries(); final TimeSeries mav = MovingAverage.createMovingAverage(jpy, "JPY/GBP (30 Day MA)", 30, 30); dataset1.addSeries(jpy); dataset1.addSeries(mav); final XYDataset dataset2 = DemoDatasetFactory.createHighLowDataset(); final TimeSeriesCollection dataset3 = new TimeSeriesCollection(); dataset3.addSeries(eur); // make one shared horizontal axis final ValueAxis timeAxis = new DateAxis(domain); // make a vertically CombinedPlot that will contain the sub-plots final CombinedDomainXYPlot multiPlot = new CombinedDomainXYPlot(timeAxis); final int[] weight = { 1, 1, 1, 1 }; // control vertical space allocated to each sub-plot // add subplot1... final XYPlot subplot1 = new XYPlot(dataset0, null, new NumberAxis(ranges[0]), new StandardXYItemRenderer()); final NumberAxis range1 = (NumberAxis) subplot1.getRangeAxis(); range1.setTickLabelFont(new Font("Monospaced", Font.PLAIN, 7)); range1.setLabelFont(new Font("SansSerif", Font.PLAIN, 8)); range1.setAutoRangeIncludesZero(false); multiPlot.add(subplot1, weight[0]); // add subplot2... final XYPlot subplot2 = new XYPlot(dataset1, null, new NumberAxis(ranges[1]), new StandardXYItemRenderer()); final NumberAxis range2 = (NumberAxis) subplot2.getRangeAxis(); range2.setTickLabelFont(new Font("Monospaced", Font.PLAIN, 7)); range2.setLabelFont(new Font("SansSerif", Font.PLAIN, 8)); range2.setAutoRangeIncludesZero(false); multiPlot.add(subplot2, weight[1]); // add subplot3... final XYPlot subplot3 = new XYPlot(dataset2, null, new NumberAxis(ranges[2]), null); final XYItemRenderer renderer3 = new HighLowRenderer(); subplot3.setRenderer(renderer3); final NumberAxis range3 = (NumberAxis) subplot3.getRangeAxis(); range3.setTickLabelFont(new Font("Monospaced", Font.PLAIN, 7)); range3.setLabelFont(new Font("SansSerif", Font.PLAIN, 8)); range3.setAutoRangeIncludesZero(false); multiPlot.add(subplot3, weight[2]); // add subplot4... final XYPlot subplot4 = new XYPlot(dataset3, null, new NumberAxis(ranges[3]), null); final XYItemRenderer renderer4 = new XYBarRenderer(); subplot4.setRenderer(renderer4); final NumberAxis range4 = (NumberAxis) subplot4.getRangeAxis(); range4.setTickLabelFont(new Font("Monospaced", Font.PLAIN, 7)); range4.setLabelFont(new Font("SansSerif", Font.PLAIN, 8)); range4.setAutoRangeIncludesZero(false); multiPlot.add(subplot4, weight[3]); // now make the top level JFreeChart that contains the CombinedPlot final JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, multiPlot, true); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue)); return chart; }
From source file:org.jfree.chart.demo.JFreeChartDemoBase.java
/** * Creates a combined and overlaid chart. * <p>/* w w w .j a v a 2s . c o m*/ * Note: from version 0.9.10, the overlaid chart is no longer supported (you can achieve * the same result using a regular XYPlot with multiple datasets and renderers). * * @return a combined and overlaid chart. */ public JFreeChart createCombinedAndOverlaidChart1() { // create a default chart based on some sample data... final String title = this.resources.getString("combined.combined-overlaid.title"); final String subtitleStr = this.resources.getString("combined.combined-overlaid.subtitle"); final String domain = this.resources.getString("combined.combined-overlaid.domain"); final String[] ranges = this.resources.getStringArray("combined.combined-overlaid.ranges"); final TimeSeries jpy = DemoDatasetFactory.createJPYTimeSeries(); final TimeSeries mav = MovingAverage.createMovingAverage(jpy, "30 Day Moving Average", 30, 30); final TimeSeriesCollection dataset0 = new TimeSeriesCollection(); dataset0.addSeries(jpy); final TimeSeriesCollection dataset1 = new TimeSeriesCollection(); dataset1.addSeries(jpy); dataset1.addSeries(mav); final DefaultHighLowDataset highLowDataset = DemoDatasetFactory.createHighLowDataset(); final XYDataset highLowDatasetMA = MovingAverage.createMovingAverage(highLowDataset, " (MA)", 5 * 24 * 60 * 60 * 1000L, 5 * 24 * 60 * 60 * 1000L); // make one vertical axis for each (vertical) chart final NumberAxis[] valueAxis = new NumberAxis[3]; for (int i = 0; i < valueAxis.length; i++) { valueAxis[i] = new NumberAxis(ranges[i]); if (i <= 1) { valueAxis[i].setAutoRangeIncludesZero(false); // override default } } // create CombinedPlot... final CombinedDomainXYPlot parent = new CombinedDomainXYPlot(new DateAxis(domain)); final int[] weight = { 1, 2, 2 }; // add subplot1... final XYItemRenderer renderer1 = new StandardXYItemRenderer(); final XYPlot subplot1 = new XYPlot(dataset0, null, new NumberAxis(ranges[0]), renderer1); final NumberAxis axis1 = (NumberAxis) subplot1.getRangeAxis(); axis1.setTickLabelFont(new Font("Monospaced", Font.PLAIN, 7)); axis1.setLabelFont(new Font("SansSerif", Font.PLAIN, 8)); axis1.setAutoRangeIncludesZero(false); parent.add(subplot1, weight[0]); // add subplot2 (an overlaid plot)... final XYPlot subplot2 = new XYPlot(dataset0, null, new NumberAxis(ranges[1]), new StandardXYItemRenderer()); final NumberAxis axis2 = (NumberAxis) subplot2.getRangeAxis(); axis2.setTickLabelFont(new Font("Monospaced", Font.PLAIN, 7)); axis2.setLabelFont(new Font("SansSerif", Font.PLAIN, 8)); axis2.setAutoRangeIncludesZero(false); subplot2.setDataset(1, dataset1); subplot2.setRenderer(1, new StandardXYItemRenderer()); parent.add(subplot2, weight[1]); // add subplot3 (an overlaid plot)... final XYItemRenderer renderer3 = new HighLowRenderer(); final XYPlot subplot3 = new XYPlot(highLowDataset, null, new NumberAxis(ranges[2]), renderer3); final NumberAxis axis3 = (NumberAxis) subplot3.getRangeAxis(); axis3.setTickLabelFont(new Font("Monospaced", Font.PLAIN, 7)); axis3.setLabelFont(new Font("SansSerif", Font.PLAIN, 8)); axis3.setAutoRangeIncludesZero(false); subplot3.setDataset(1, highLowDatasetMA); subplot3.setRenderer(1, new StandardXYItemRenderer()); parent.add(subplot3, weight[2]); // now create the master JFreeChart object final JFreeChart chart = new JFreeChart(title, new Font("SansSerif", Font.BOLD, 12), parent, true); // then customise it a little... final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 10)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue)); return chart; }