Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/ChartGenerator2.java @ 9123:1cc7653ca84f

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Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
author gernotbelger
date Tue, 05 Jun 2018 19:21:16 +0200
parents 07d51fd4864c
children ef5754ba5573
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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2 * Software engineering by Intevation GmbH
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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3 *
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Sascha L. Teichmann <teichmann@intevation.de>
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4 * This file is Free Software under the GNU AGPL (>=v3)
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5867
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6 * documentation coming with Dive4Elements River for details.
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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7 */
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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8
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Sascha L. Teichmann <teichmann@intevation.de>
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9 package org.dive4elements.river.exports;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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10
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gernotbelger
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11 import static org.dive4elements.river.exports.injector.InjectorConstants.CURRENT_KM;
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gernotbelger
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12
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13 import java.awt.Font;
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14 import java.awt.Graphics2D;
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15 import java.awt.Transparency;
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16 import java.awt.geom.Rectangle2D;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3250
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17 import java.awt.image.BufferedImage;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3250
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18 import java.io.IOException;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3250
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19 import java.io.OutputStream;
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e1b49fc9d2b5 Fixed sub title zoom stuff.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 8074
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20 import java.text.NumberFormat;
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gernotbelger
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21 import java.util.HashMap;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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22 import java.util.Map;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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23 import java.util.SortedMap;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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24 import java.util.TreeMap;
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25
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26 import org.dive4elements.artifacts.CallContext;
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27 import org.dive4elements.artifacts.common.utils.XMLUtils;
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28 import org.dive4elements.river.java2d.NOPGraphics2D;
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Sascha L. Teichmann <teichmann@intevation.de>
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29 import org.dive4elements.river.jfree.RiverAnnotation;
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30 import org.dive4elements.river.utils.Formatter;
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31 import org.jfree.chart.ChartRenderingInfo;
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32 import org.jfree.chart.JFreeChart;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3250
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33 import org.jfree.chart.axis.NumberAxis;
2aca387333d6 Removed superfluous imports.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3250
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34 import org.jfree.chart.plot.XYPlot;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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35 import org.jfree.data.Range;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3250
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36 import org.w3c.dom.Document;
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e1ff1263d79a Fixed W/Q diagram subtitle in fix analysis.
Raimund Renkert <rrenkert@intevation.de>
parents: 8341
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37
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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38 /**
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Andre Heinecke <aheinecke@intevation.de>
parents: 7034
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39 * Implementation of the OutGenerator interface for charts.
06a9a241faac Factor out annotation handling code
Andre Heinecke <aheinecke@intevation.de>
parents: 7034
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40 * It should provide some basic things that equal in all chart types.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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41 *
635af5381a4d Added an abstract OutGenerator that should be the base class for all generators which create charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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42 */
9104
07d51fd4864c Added metadata subtitle to all chart export
gernotbelger
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43 public abstract class ChartGenerator2 extends AbstractChartGenerator {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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44
9123
1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
gernotbelger
parents: 9104
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45 private static final boolean USE_NOP_GRAPHICS = Boolean.getBoolean("info.rendering.nop.graphics");
2238
23c7c51df772 Some more refactoring in XYChartGenerator and ChartGenerator; implemented necessary stuff in TimeseriesChartGenerator and return new empty instances of timeseries charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2236
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46
8341
130160b8d245 Introduce annotations, which know to which axis they belong.
Tom Gottfried <tom@intevation.de>
parents: 8317
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47 /** Map of annotations to add at specific Y-axis. */
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1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
gernotbelger
parents: 9104
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48 protected SortedMap<Integer, RiverAnnotation> yAnnotations = new TreeMap<>();
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49
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gernotbelger
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50 private Map<String, IdentifiableNumberAxis> axisNameToAxis = new HashMap<>();
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51
8341
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Tom Gottfried <tom@intevation.de>
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52 public void addYAnnotation(RiverAnnotation annotation, int axisIndex) {
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Tom Gottfried <tom@intevation.de>
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53 yAnnotations.put(axisIndex, annotation);
130160b8d245 Introduce annotations, which know to which axis they belong.
Tom Gottfried <tom@intevation.de>
parents: 8317
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54 }
130160b8d245 Introduce annotations, which know to which axis they belong.
Tom Gottfried <tom@intevation.de>
parents: 8317
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55
3278
c27c4e06dd87 Re-add HYK rendering code to CrossSectionGenerator
Christian Lins <christian.lins@intevation.de>
parents: 3270
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56 @Override
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1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
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57 protected void doGenerate(final CallContext context, final OutputStream out, final String outName) throws IOException {
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Sascha L. Teichmann <teichmann@intevation.de>
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58 log.debug("ChartGenerator2.generate");
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2233
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59
9123
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60 if (outName.indexOf("chartinfo") > 0)
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61 generateInfo(context, out);
1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
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62 else
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63 generateImage(context);
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64 }
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parents: 7077
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65
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1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
gernotbelger
parents: 9104
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66 /**
1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
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67 * Generate only meta infos
1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
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68 */
1cc7653ca84f Cleanup of ChartGenerator and ChartGenerator2 code. Put some of the copy/pasted code into a common abstraction.
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69 private void generateInfo(final CallContext context, final OutputStream out) {
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70
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71 log.debug("ChartInfoGenerator2.generateInfo");
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72
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gernotbelger
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73 JFreeChart chart = generateChart(context);
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74
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75 int[] size = getSize();
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76 if (size == null) {
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 7077
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77 size = getDefaultSize();
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parents: 7077
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78 }
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 7077
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79
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80 ChartRenderingInfo info = new ChartRenderingInfo();
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81
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82 long startTime = System.currentTimeMillis();
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83
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parents: 7077
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84 if (USE_NOP_GRAPHICS) {
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 7077
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85 BufferedImage image =
48e30e2c5db9 ChartGenerator2 can be used as ChartInfoGenerator, too.
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parents: 7077
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86 new BufferedImage(size[0], size[1], Transparency.BITMASK);
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87
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88 Graphics2D g2d = image.createGraphics();
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89 Graphics2D nop = new NOPGraphics2D(g2d);
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90
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91 chart.draw(
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92 nop,
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93 new Rectangle2D.Double(0, 0, size[0], size[1]),
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94 null,
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95 info);
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96
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97 nop.dispose();
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98 }
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99 else {
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100 chart.createBufferedImage(
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101 size[0], size[1], Transparency.BITMASK, info);
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102 }
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103
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104 long stopTime = System.currentTimeMillis();
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105
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106 if (log.isDebugEnabled()) {
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107 log.debug("Rendering info took: " +
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108 (stopTime-startTime) + "ms");
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109 }
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110
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111
7084
f0731aa7b735 Implement Label handling
Andre Heinecke <aheinecke@intevation.de>
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112 InfoGeneratorHelper2 helper = new InfoGeneratorHelper2(this);
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113 Document doc = helper.createInfoDocument(chart, info);
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114
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115 XMLUtils.toStream(doc, out);
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116 }
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117
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118 /**
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119 * Creates a new <i>ChartSection</i>.
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120 *
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121 * @return a new <i>ChartSection</i>.
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122 */
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123 @Override
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124 protected ChartSection buildChartSection(final CallContext context) {
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125 ChartSection chartSection = new ChartSection();
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126 chartSection.setTitle(getChartTitle(context));
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127 chartSection.setSubtitle(getChartSubtitlePure(context));
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128 chartSection.setDisplayGrid(isGridVisible());
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129 chartSection.setDisplayLogo(showLogo());
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130 chartSection.setLogoVPlacement(logoVPlace());
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131 chartSection.setLogoHPlacement(logoHPlace());
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132 return chartSection;
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133 }
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134
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135 protected String interpolateVariables(final CallContext context, String s) {
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136 log.debug("Interpolate variables in string '" + s + "'");
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137 Object radius = context.getContextValue("radius");
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138 if (radius instanceof Double) {
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139 NumberFormat f = Formatter.getCSVFormatter(context);
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140 s = s.replace("$RADIUS", f.format(radius) + " km");
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141 }
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142 else {
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143 s = s.replace("$RADIUS", "-");
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144 }
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145
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146 Object km = context.getContextValue(CURRENT_KM);
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147 if (km instanceof Number && s.contains("$KM")) {
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148 NumberFormat f = Formatter.getCalculationKm(context.getMeta());
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149 s = s.replace("$KM", f.format(km));
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150 }
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151
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152 return s;
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153 }
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154
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155 /**
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156 * Returns the subtitle of a chart. The return value depends on the
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157 * existence of ChartSettings: if there are ChartSettings set, this method
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158 * returns the chart title provided by those settings. Otherwise, this
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159 * method returns getDefaultChartSubtitle().
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160 * @param context
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161 *
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162 * @return the subtitle of a chart.
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163 */
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164 protected String getChartSubtitlePure(CallContext context) {
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165 ChartSettings chartSettings = getChartSettings();
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166
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167 String subTitle = chartSettings != null
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168 ? getChartSubtitle(chartSettings)
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169 : getDefaultChartSubtitle(context);
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170
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171 String defSubTitle = getDefaultChartSubtitle(context);
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172
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173 if (subTitle == null) {
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174 subTitle = defSubTitle != null ? defSubTitle : "";
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175 }
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176
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177 return subTitle;
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178 }
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179
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180 @Override
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181 protected String getChartSubtitle(CallContext context) {
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182 return interpolateVariables(context, getChartSubtitlePure(context));
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183 }
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184
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185 /**
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186 * Glue between axis names and index.
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187 */
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188 protected abstract String axisIndexToName(int index);
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189
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190 /**
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191 * This method returns the font size for an Y axis. If the font size is
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192 * specified in ChartSettings (if <i>chartSettings</i> is set), this size is
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193 * returned. Otherwise the default font size 12 is returned.
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194 *
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195 * @return the font size for the x axis.
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196 */
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197 protected int getYAxisFontSize(int index) {
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198 ChartSettings chartSettings = getChartSettings();
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199 if (chartSettings == null) {
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200 return DEFAULT_FONT_SIZE;
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201 }
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202
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203 AxisSection as = chartSettings.getAxisSection(axisIndexToName(index));
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204 if (as == null) {
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205 return DEFAULT_FONT_SIZE;
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206 }
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207 Integer fontSize = as.getFontSize();
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208
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209 return fontSize != null ? fontSize : DEFAULT_FONT_SIZE;
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210 }
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211
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212 protected abstract String getYAxisLabel(String axisName);
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213
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214 /**
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215 * This method searches for a specific axis in the <i>settings</i> if
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216 * <i>settings</i> is set. If the axis was found, this method returns the
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217 * specified axis range if the axis range is fixed. Otherwise, this method
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218 * returns null.
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219 *
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220 * @param axisId The identifier of an axis.
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221 *
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222 * @return the specified axis range from <i>settings</i> if the axis is
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223 * fixed, otherwise null.
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224 */
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225 public Range getRangeForAxisFromSettings(String axisId) {
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226 ChartSettings chartSettings = getChartSettings();
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227 if (chartSettings == null) {
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228 return null;
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229 }
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230
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231 AxisSection as = chartSettings.getAxisSection(axisId);
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232
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233 if (as == null) {
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234 return null;
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235 }
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236
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237 if (as.isFixed()) {
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238 Double upper = as.getUpperRange();
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239 Double lower = as.getLowerRange();
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240
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241 if (upper != null && lower != null) {
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242 return lower < upper
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243 ? new Range(lower, upper)
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244 : new Range(upper, lower);
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245 }
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246 }
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247
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248 return null;
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249 }
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250
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251 /**
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252 * Creates a new instance of <i>IdentifiableNumberAxis</i>.
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253 *
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254 * @param idx The index of the new axis.
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255 * @param label The label of the new axis.
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256 *
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257 * @return an instance of IdentifiableNumberAxis.
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258 */
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259 protected final NumberAxis createNumberAxis(int idx, String label) {
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260 return new IdentifiableNumberAxis(axisIndexToName(idx), label);
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261 }
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262
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263 /**
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264 * Create Y (range) axis for given index.
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265 * Shall be overriden by subclasses.
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266 */
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267 @Override
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268 protected NumberAxis createYAxis(int index) {
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269
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270 Font labelFont = new Font(
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271 DEFAULT_FONT_NAME,
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272 Font.BOLD,
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273 getYAxisFontSize(index));
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274
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275 String axisName = axisIndexToName(index);
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276
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277 IdentifiableNumberAxis axis = new IdentifiableNumberAxis(axisName, getYAxisLabel(axisName));
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278
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279 axis.setAutoRangeIncludesZero(false);
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280 axis.setLabelFont(labelFont);
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281 axis.setTickLabelFont(labelFont);
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282 // REMARK: we overwrite the default values to 0.0, because in earlier version margins were never applied.
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283 axis.setLowerMargin(0);
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284 axis.setUpperMargin(0);
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285
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286 /* remember axis for lookup */
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287 axisNameToAxis.put( axisName, axis );
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288
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289 return axis;
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290 }
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291
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292 public final IdentifiableNumberAxis getAxis(final String axisName) {
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293 return axisNameToAxis.get(axisName);
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294 }
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295
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296 /** Returns the number of registered y-axes */
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297 public final int getNumYAxes() {
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298 return axisNameToAxis.size();
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299 }
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300
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301 protected final void addYAnnotationsToRenderer(final XYPlot plot) {
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302 final AnnotationRenderer annotationRenderer = new AnnotationRenderer(getChartSettings(), getDatasets(), DEFAULT_FONT_NAME);
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303 annotationRenderer.addYAnnotationsToRenderer(plot, this.yAnnotations);
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304 }
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305 }
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