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POHow to add annotation in jfree line chart
 

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  1. POHow to add annotation in jfree line chart
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    <p>Im using jfree charts for my application. I need a chart with stroke point values appear above the x axis label. </p> <p><strong>Expected</strong></p> <p><img src="https://i.stack.imgur.com/U1rsM.png" alt="enter image description here"></p> <p>And i need to remove the tick mark in between the values(54% and 2008). I have tried the below code to get the annotation,</p> <pre><code>final DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(23, "Line", "2008"); dataset.addValue(145, "Line", "2009"); dataset.addValue(245, "Line", "2010"); dataset.addValue(322, "Line", "2011"); final JFreeChart chart = ChartFactory.createLineChart( "", // chart title "", // domain axis label "", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation false, // include legend false, // tooltips false // urls ); chart.setBackgroundPaint(Color.WHITE); chart.setBorderVisible(true); chart.setBorderPaint(Color.decode("#EEEEEE")); chart.setPadding(new RectangleInsets(10, 10, 5, 5)); final CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setBackgroundPaint(Color.WHITE); plot.setRangeZeroBaselinePaint(Color.RED); plot.setOutlineVisible(false); plot.setRangeGridlinePaint(Color.white); plot.setDomainGridlinePaint(Color.BLUE); final CategoryAxis categoryAxis = (CategoryAxis) plot.getDomainAxis(); categoryAxis.setAxisLineVisible(false); categoryAxis.setTickMarksVisible(false); categoryAxis.setTickLabelFont(new java.awt.Font("Arial", java.awt.Font.PLAIN, 8)); final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setVisible(false); rangeAxis.setLabelPaint(Color.BLUE); rangeAxis.setRangeWithMargins(21, 600); DecimalFormat format = new DecimalFormat("###,###"); StandardCategoryItemLabelGenerator labelGenerator = new StandardCategoryItemLabelGenerator("{2}", format); final LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer(); renderer.setBaseShapesVisible(true); renderer.setBaseShapesFilled(true); renderer.setSeriesStroke(0, new BasicStroke(1.5f)); renderer.setSeriesItemLabelsVisible(0, true); renderer.setBaseItemLabelGenerator(labelGenerator); renderer.setBaseItemLabelFont(new java.awt.Font("Arial", java.awt.Font.PLAIN, 9)); Shape circle = new Ellipse2D.Double(-2, -2, 4, 4); renderer.setSeriesShape(0, circle); plot.getRenderer().setSeriesPaint(0, Color.decode("#0066CC")); // CategoryAnnotation categoryAnnotation=new CategoryLineAnnotation(Male1, 248, Male2, 216, null, null); // XYLineAnnotation annotation=new XYLineAnnotation(8, 0, 8, 24, new BasicStroke(2.0f), Color.blue); // plot.addAnnotation( (CategoryAnnotation) annotation); try { ChartUtilities.saveChartAsPNG(new File("E:\\jfreeLinechart.png"), chart, 290, 95); System.out.println("=====chart====="); } catch (Exception e) { e.printStackTrace(); } </code></pre> <p>from the above code im getting the following chart</p> <p><strong>Actual</strong></p> <p><img src="https://i.stack.imgur.com/Gs5SP.png" alt="enter image description here"></p> <p>Please help me to get the expected image in jfree line chart.</p>
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