Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/InfoGeneratorHelper.java @ 7069:9b52c501c57e generator-refactoring

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Add InfoGenerator Hacks to be removed soon. Neccessary for testing but they will be removed again in one of the next commits
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 20 Sep 2013 14:56:46 +0200
parents af13ceeba52a
children 3dc740c51f9b
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import java.awt.geom.AffineTransform;
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12 import java.awt.geom.NoninvertibleTransformException;
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13 import java.awt.geom.Rectangle2D;
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14
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15 import java.util.Date;
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16
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17 import org.w3c.dom.Document;
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18 import org.w3c.dom.Element;
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19
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20 import org.apache.log4j.Logger;
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21
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22 import org.jfree.chart.ChartRenderingInfo;
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23 import org.jfree.chart.JFreeChart;
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24 import org.jfree.chart.axis.DateAxis;
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25 import org.jfree.chart.axis.NumberAxis;
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26 import org.jfree.chart.axis.ValueAxis;
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27 import org.jfree.chart.plot.XYPlot;
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28 import org.jfree.data.Range;
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29 import org.jfree.data.xy.XYDataset;
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30
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31 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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32 import org.dive4elements.artifacts.common.utils.XMLUtils;
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33 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator;
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34
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35 import org.dive4elements.river.jfree.Bounds;
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36
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37
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38 /**
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39 * This class helps generating chart info documents.
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40 *
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41 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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42 */
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43 public class InfoGeneratorHelper {
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44
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45 /** Private logging instance. */
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46 private static final Logger logger =
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47 Logger.getLogger(InfoGeneratorHelper.class);
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48
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49 protected ChartGenerator generator;
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50 protected ChartGenerator2 generator2;
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51
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52
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53 public InfoGeneratorHelper(ChartGenerator generator) {
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54 this.generator = generator;
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55 }
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56
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57 public InfoGeneratorHelper(ChartGenerator2 generator) {
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58 this.generator2 = generator2;
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59 }
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60
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61
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62 /**
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63 * Triggers the creation of the chart info document.
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64 *
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65 * @param chart The JFreeChart chart.
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66 * @param info An info object that has been created while chart creation.
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67 *
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68 * @return the info document.
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69 */
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70 public Document createInfoDocument(
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71 JFreeChart chart,
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72 ChartRenderingInfo info)
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73 {
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74 logger.debug("InfoGeneratorHelper.createInfoDocument");
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75
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76 Document doc = XMLUtils.newDocument();
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77
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78 ElementCreator cr = new ElementCreator(
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79 doc,
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80 ArtifactNamespaceContext.NAMESPACE_URI,
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81 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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82
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83 Element chartinfo = cr.create("chartinfo");
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84
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85 chartinfo.appendChild(createAxesElements(cr, chart));
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86 chartinfo.appendChild(createTransformationElements(cr, chart, info));
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87
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88 doc.appendChild(chartinfo);
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89
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90 return doc;
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91 }
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92
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93
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94 /**
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95 * This method create a axes element that contains all domain and range
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96 * axes of the given chart.
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97 *
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98 * @param cr The ElementCreator.
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99 * @param chart The chart that provides range information of its axes.
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100 *
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101 * @return an element with axes information.
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102 */
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103 protected Element createAxesElements(
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104 ElementCreator cr,
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105 JFreeChart chart)
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106 {
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107 logger.debug("InfoGeneratorHelper.createRangeElements");
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108
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109 Element axes = cr.create("axes");
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110
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111 XYPlot plot = (XYPlot) chart.getPlot();
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112
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113 int dAxisCount = plot.getDomainAxisCount();
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114 for (int i = 0; i < dAxisCount; i++) {
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115 ValueAxis axis = plot.getDomainAxis(i);
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116 XYDataset data = plot.getDataset(i);
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117
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118 if (axis != null) {
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119 Element e = createAxisElement(cr, axis, data, "domain", i);
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120 axes.appendChild(e);
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121 }
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122 }
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123
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124 int rAxisCount = plot.getRangeAxisCount();
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
125 for (int i = 0; i < rAxisCount; i++) {
663
51172d56e8bc Only generate an axis element if a axis really exists.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 659
diff changeset
126 ValueAxis axis = plot.getRangeAxis(i);
673
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
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parents: 663
diff changeset
127 XYDataset data = plot.getDataset(i);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
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128
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
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parents: 663
diff changeset
129 if (axis == null || data == null) {
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
130 logger.warn("Axis or dataset is empty at pos: " + i);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
131 continue;
659
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parents: 657
diff changeset
132 }
673
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parents: 663
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133
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134 Element e = createAxisElement(cr, axis, data, "range", i);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
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135 axes.appendChild(e);
659
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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136 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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137
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
138 return axes;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
139 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
140
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
141
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
142 /**
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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143 * This method create a axis element for a given <i>axis</i> and
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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144 * <i>type</i>. Type can be one of 'domain' or 'range'.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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145 *
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
146 * @param cr The ElementCreator
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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147 * @param axis The axis that provides range information.
673
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
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parents: 663
diff changeset
148 * @param dataset The dataset for min/max determination.
659
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parents: 657
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149 * @param type The axis type ('domain' or 'range').
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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150 * @param pos The position in the chart.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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151 *
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
152 * @return An element that contains range information of a given axis.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
153 */
673
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
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154 protected Element createAxisElement(
659
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
155 ElementCreator cr,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
156 ValueAxis axis,
673
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
157 XYDataset dataset,
659
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
158 String type,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
159 int pos)
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
160 {
1944
21a4d2c677a1 Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1684
diff changeset
161 logger.debug("createAxisElement " + pos);
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
162 logger.debug("Axis is from type: " + axis.getClass());
659
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
163
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
164 Element e = cr.create(type);
1944
21a4d2c677a1 Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1684
diff changeset
165 cr.addAttr(e, "pos", String.valueOf(pos), true);
2261
6aeb71517136 Registered an Info generator for historical discharge curves; made some adaptions in XYChartGenerator, ChartGenerator and TimeseriesChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1944
diff changeset
166
6aeb71517136 Registered an Info generator for historical discharge curves; made some adaptions in XYChartGenerator, ChartGenerator and TimeseriesChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1944
diff changeset
167 if (axis instanceof DateAxis) {
2273
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
168 prepareDateAxisElement(
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
169 e, cr, (DateAxis) axis, dataset, type, pos);
2261
6aeb71517136 Registered an Info generator for historical discharge curves; made some adaptions in XYChartGenerator, ChartGenerator and TimeseriesChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1944
diff changeset
170 }
6aeb71517136 Registered an Info generator for historical discharge curves; made some adaptions in XYChartGenerator, ChartGenerator and TimeseriesChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1944
diff changeset
171 else {
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
172 prepareNumberAxisElement(
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
173 e, cr, (NumberAxis) axis, dataset, type, pos);
2261
6aeb71517136 Registered an Info generator for historical discharge curves; made some adaptions in XYChartGenerator, ChartGenerator and TimeseriesChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1944
diff changeset
174 }
6aeb71517136 Registered an Info generator for historical discharge curves; made some adaptions in XYChartGenerator, ChartGenerator and TimeseriesChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1944
diff changeset
175
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
176 return e;
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
177 }
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
178
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
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parents: 2261
diff changeset
179
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
180 protected Element prepareNumberAxisElement(
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
181 Element e,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
182 ElementCreator cr,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
183 NumberAxis axis,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
184 XYDataset dataset,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
185 String type,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
186 int pos
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
187 ) {
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
188 Range range = axis.getRange();
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
189
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
190 cr.addAttr(e, "from", String.valueOf(range.getLowerBound()), true);
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
191 cr.addAttr(e, "to", String.valueOf(range.getUpperBound()), true);
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
192 cr.addAttr(e, "axistype", "number", true);
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
193
7069
9b52c501c57e Add InfoGenerator Hacks to be removed soon.
Andre Heinecke <aheinecke@intevation.de>
parents: 5994
diff changeset
194 Range[] rs = generator2 == null ? generator.getRangesForAxis(pos) : generator2.getRangesForAxis(pos);
673
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
195 Range r = null;
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
196
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
197 if (type.equals("range")) {
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
198 r = rs[1];
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
199 }
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
200 else {
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
201 r = rs[0];
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
202 }
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
203
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
204 cr.addAttr(e, "min", String.valueOf(r.getLowerBound()), true);
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
205 cr.addAttr(e, "max", String.valueOf(r.getUpperBound()), true);
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
206
659
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
207 return e;
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
208 }
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
209
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
210
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
211 protected Element prepareDateAxisElement(
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
212 Element e,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
213 ElementCreator cr,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
214 DateAxis axis,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
215 XYDataset dataset,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
216 String type,
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
217 int pos
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
218 ) {
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
219 Date from = axis.getMinimumDate();
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
220 Date to = axis.getMaximumDate();
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
221
2330
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
222 Bounds bounds = null;
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
223 if (type.equals("range")) {
7069
9b52c501c57e Add InfoGenerator Hacks to be removed soon.
Andre Heinecke <aheinecke@intevation.de>
parents: 5994
diff changeset
224 bounds = generator2 == null ? generator.getYBounds(pos) : generator2.getYBounds(pos);
2330
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
225 }
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
226 else {
7069
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Andre Heinecke <aheinecke@intevation.de>
parents: 5994
diff changeset
227 bounds = generator2 == null ? generator.getXBounds(pos) : generator2.getXBounds(pos);
2330
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
228 }
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
229
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
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parents: 2261
diff changeset
230 cr.addAttr(e, "axistype", "date", true);
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
231 cr.addAttr(e, "from", String.valueOf(from.getTime()), true);
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
232 cr.addAttr(e, "to", String.valueOf(to.getTime()), true);
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
233
2330
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parents: 2273
diff changeset
234 cr.addAttr(e, "min", bounds.getLower().toString(), true);
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
235 cr.addAttr(e, "max", bounds.getUpper().toString(), true);
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
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parents: 2261
diff changeset
236
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237 return e;
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238 }
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239
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240
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241 /**
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242 * This method appends the values of a transformation matrix to transform
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243 * image pixel coordinates into chart coordinates.
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244 *
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245 * @param cr The ElementCreator.
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246 * @param chart The chart object.
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247 * @param info The ChartRenderingInfo that is filled while chart creation.
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248 *
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249 * @return an element that contains one or more transformation matrix.
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250 */
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251 protected Element createTransformationElements(
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252 ElementCreator cr,
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253 JFreeChart chart,
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254 ChartRenderingInfo info)
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255 {
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256 logger.debug("InfoGeneratorHelper.createTransformationElements");
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257
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258 Element tf = cr.create("transformation-matrix");
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259
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260 Rectangle2D dataArea = info.getPlotInfo().getDataArea();
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261
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262 XYPlot plot = (XYPlot) chart.getPlot();
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263 ValueAxis xAxis = plot.getDomainAxis();
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264
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265 if (xAxis == null) {
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266 logger.error("There is no x axis in the chart!");
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267 return null;
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268 }
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269
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270 for (int i = 0, num = plot.getRangeAxisCount(); i < num; i++) {
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271 ValueAxis yAxis = plot.getRangeAxis(i);
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272
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273 if (yAxis == null) {
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274 logger.warn("No y axis at pos " + i + " existing.");
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275 continue;
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276 }
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277
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278 Element matrix = createTransformationElement(
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279 cr, xAxis, yAxis, dataArea, i);
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280
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281 tf.appendChild(matrix);
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282 }
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283
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284 return tf;
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285 }
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286
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287
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288 /**
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289 * Creates an element that contains values used to transform coordinates
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290 * of a coordinate system A into a coordinate system B.
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291 *
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292 * @param cr The ElementCreator.
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293 * @param xAxis The x axis of the target coordinate system.
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294 * @param yAxis The y axis of the target coordinate system.
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295 * @param dataArea The pixel coordinates of the chart image.
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296 * @param pos The dataset position.
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297 *
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298 * @return an element that contains transformation matrix values.
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299 */
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300 protected Element createTransformationElement(
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301 ElementCreator cr,
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302 ValueAxis xAxis,
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303 ValueAxis yAxis,
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304 Rectangle2D dataArea,
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305 int pos)
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306 {
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307 double[] tm = createTransformationMatrix(dataArea, xAxis, yAxis);
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308
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309 Element matrix = cr.create("matrix");
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310
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311 cr.addAttr(matrix, "pos", String.valueOf(pos), true);
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312 cr.addAttr(matrix, "sx", String.valueOf(tm[0]), true);
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313 cr.addAttr(matrix, "sy", String.valueOf(tm[1]), true);
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314 cr.addAttr(matrix, "tx", String.valueOf(tm[2]), true);
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315 cr.addAttr(matrix, "ty", String.valueOf(tm[3]), true);
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316
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317 if (xAxis instanceof DateAxis) {
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318 cr.addAttr(matrix, "xtype", "date", true);
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319 }
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320 else {
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321 cr.addAttr(matrix, "xtype", "number", true);
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322 }
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323
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324 if (yAxis instanceof DateAxis) {
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325 cr.addAttr(matrix, "ytype", "date", true);
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326 }
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327 else {
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328 cr.addAttr(matrix, "ytype", "number", true);
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329 }
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330
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331 return matrix;
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332 }
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333
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334
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335 /**
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336 * This method determines a transformation matrix to transform pixel
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337 * coordinates of the chart image into chart coordinates.
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338 *
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339 * @param dataArea The rectangle that contains the data points of the chart.
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340 * @param xAxis The x axis.
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341 * @param yAxis The y axis.
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342 *
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343 * @return a double array as follows: [sx, sy, tx, ty].
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344 */
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345 protected static double[] createTransformationMatrix(
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346 Rectangle2D dataArea,
648
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347 ValueAxis xAxis,
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348 ValueAxis yAxis)
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349 {
648
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350 logger.debug("InfoGeneratorHelper.createTransformationMatrix");
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351
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352 double offsetX = dataArea.getX();
657
ac1399d325e9 Removed asymmetrical "- 1" from width calculation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 648
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353 double width = dataArea.getWidth();
647
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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354 double offsetY = dataArea.getY();
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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355 double height = dataArea.getHeight();
bb484489d3df Introduced a new output generators for creating chart info documents.
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356
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
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357 Range xRange = getRangeFromAxis(xAxis);
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
358 Range yRange = getRangeFromAxis(yAxis);
648
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
359
647
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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360 double lowerX = xRange.getLowerBound();
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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361 double upperX = xRange.getUpperBound();
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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362 double lowerY = yRange.getLowerBound();
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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363 double upperY = yRange.getUpperBound();
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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364
648
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
365 if (xAxis.isInverted()) {
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
366 logger.info("X-Axis is inverted!");
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
367
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
368 double tmp = upperX;
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
369 upperX = lowerX;
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
370 lowerX = tmp;
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
371 }
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 647
diff changeset
372
647
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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373 double dMoveX = upperX - lowerX;
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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374 double fMoveX = width * lowerX;
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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375 double dMoveY = lowerY - upperY;
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
376 double fMoveY = height * upperY;
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
377
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
378 AffineTransform t1 = AffineTransform.getTranslateInstance(
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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379 offsetX - ( fMoveX / dMoveX ),
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
380 offsetY - ( fMoveY / dMoveY ) );
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
381
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
382 AffineTransform t2 = AffineTransform.getScaleInstance(
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
383 width / (upperX - lowerX),
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
384 height / (lowerY - upperY));
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
385
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
386 t1.concatenate(t2);
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
387
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
388 try {
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
389 t1.invert();
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
390
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
391 double[] c = new double[6];
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
392 t1.getMatrix(c);
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
393
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
394 return new double[] { c[0], c[3], c[4], c[5] };
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
395 }
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
396 catch (NoninvertibleTransformException e) {
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
397 // do nothing
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
398 logger.warn("Matrix is not invertible.");
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
399 }
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
400
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
401 return new double[] { 1d, 1d, 0d, 0d };
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
402 }
2273
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
403
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
404
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
405 protected static Range getRangeFromAxis(ValueAxis axis) {
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
406 if (axis instanceof DateAxis) {
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
407 DateAxis dAxis = (DateAxis) axis;
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
408 Date min = dAxis.getMinimumDate();
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
409 Date max = dAxis.getMaximumDate();
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
410
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
411 return new Range(min.getTime(), max.getTime());
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
412 }
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
413 else {
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
414 return axis.getRange();
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
415 }
7b8d59436be3 Set proper bounds for date axes in the chart info document; tell the transformation matrix which type it is (date/number).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2261
diff changeset
416 }
647
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
417 }
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
418 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org