Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/InfoGeneratorHelper.java @ 9801:1d7a72a50183 3.2.x tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Assume Compose V2, consistently
author Tom Gottfried <tom@intevation.de>
date Thu, 23 Nov 2023 10:14:13 +0100
parents 0a5239a1e46e
children
rev   line source
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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.logging.log4j.Logger;
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21 import org.apache.logging.log4j.LogManager;
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22
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23 import org.jfree.chart.ChartRenderingInfo;
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24 import org.jfree.chart.JFreeChart;
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25 import org.jfree.chart.axis.DateAxis;
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26 import org.jfree.chart.axis.NumberAxis;
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27 import org.jfree.chart.axis.ValueAxis;
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28 import org.jfree.chart.plot.XYPlot;
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29 import org.jfree.data.Range;
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30 import org.jfree.data.xy.XYDataset;
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31
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32 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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33 import org.dive4elements.artifacts.common.utils.XMLUtils;
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34 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator;
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35
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36 import org.dive4elements.river.jfree.Bounds;
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37
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38
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39 /**
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40 * This class helps generating chart info documents.
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41 *
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42 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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43 */
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44 public class InfoGeneratorHelper {
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45
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46 /** Private logging instance. */
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47 private static final Logger log =
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48 LogManager.getLogger(InfoGeneratorHelper.class);
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49
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50 protected ChartGenerator generator;
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51
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52 public InfoGeneratorHelper(ChartGenerator generator) {
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53 this.generator = generator;
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54 }
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55
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56 /**
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57 * Triggers the creation of the chart info document.
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58 *
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59 * @param chart The JFreeChart chart.
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60 * @param info An info object that has been created while chart creation.
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61 *
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62 * @return the info document.
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63 */
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64 public Document createInfoDocument(
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65 JFreeChart chart,
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66 ChartRenderingInfo info)
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67 {
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68 log.debug("InfoGeneratorHelper.createInfoDocument");
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69
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70 Document doc = XMLUtils.newDocument();
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71
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72 ElementCreator cr = new ElementCreator(
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73 doc,
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74 ArtifactNamespaceContext.NAMESPACE_URI,
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75 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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76
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77 Element chartinfo = cr.create("chartinfo");
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78
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79 chartinfo.appendChild(createAxesElements(cr, chart));
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80 chartinfo.appendChild(createTransformationElements(cr, chart, info));
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81
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82 doc.appendChild(chartinfo);
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83
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84 return doc;
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85 }
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86
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87
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88 /**
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89 * This method create a axes element that contains all domain and range
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90 * axes of the given chart.
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91 *
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92 * @param cr The ElementCreator.
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93 * @param chart The chart that provides range information of its axes.
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94 *
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95 * @return an element with axes information.
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96 */
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97 protected Element createAxesElements(
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98 ElementCreator cr,
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99 JFreeChart chart)
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100 {
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101 log.debug("InfoGeneratorHelper.createRangeElements");
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102
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103 Element axes = cr.create("axes");
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104
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105 XYPlot plot = (XYPlot) chart.getPlot();
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106
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107 int dAxisCount = plot.getDomainAxisCount();
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108 for (int i = 0; i < dAxisCount; i++) {
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109 ValueAxis axis = plot.getDomainAxis(i);
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110 XYDataset data = plot.getDataset(i);
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111
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112 if (axis != null) {
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113 Element e = createAxisElement(cr, axis, data, "domain", i);
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114 axes.appendChild(e);
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115 }
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116 }
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117
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118 int rAxisCount = plot.getRangeAxisCount();
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119 for (int i = 0; i < rAxisCount; i++) {
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120 ValueAxis axis = plot.getRangeAxis(i);
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121 XYDataset data = plot.getDataset(i);
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122
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123 if (axis == null || data == null) {
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 7082
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124 log.warn("Axis or dataset is empty at pos: " + 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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125 continue;
659
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
126 }
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
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127
b22f21b173a7 Changed the zoom process - the values in the chart request document are percentual values that apply to every axis.
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128 Element e = createAxisElement(cr, axis, data, "range", i);
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
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129 axes.appendChild(e);
659
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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130 }
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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131
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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132 return axes;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
133 }
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
134
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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135
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
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 * This method create a axis element for a given <i>axis</i> and
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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138 * <i>type</i>. Type can be one of 'domain' or 'range'.
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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139 *
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
140 * @param cr The ElementCreator
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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141 * @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
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142 * @param dataset The dataset for min/max determination.
659
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parents: 657
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143 * @param type The axis type ('domain' or 'range').
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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144 * @param pos The position in the chart.
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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 * @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
147 */
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
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148 protected Element createAxisElement(
659
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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149 ElementCreator cr,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
150 ValueAxis axis,
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
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151 XYDataset dataset,
659
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152 String type,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
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153 int pos)
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
154 {
8202
e4606eae8ea5 sed src/**/*.java 's/logger/log/g'
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7082
diff changeset
155 log.debug("createAxisElement " + pos);
e4606eae8ea5 sed src/**/*.java 's/logger/log/g'
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7082
diff changeset
156 log.debug("Axis is from type: " + axis.getClass());
659
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
157
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
158 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
159 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
160
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
161 if (axis instanceof DateAxis) {
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
162 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
163 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
164 }
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
165 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
166 prepareNumberAxisElement(
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
167 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
168 }
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
169
2273
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diff changeset
170 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
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171 }
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
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172
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parents: 2261
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173
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
174 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
175 Element e,
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
176 ElementCreator cr,
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
177 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
178 XYDataset dataset,
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 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
180 int pos
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
181 ) {
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
182 Range range = axis.getRange();
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parents: 2261
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183
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
184 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
185 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
186 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
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187
7082
3dc740c51f9b Remove generator2 hacks
Andre Heinecke <aheinecke@intevation.de>
parents: 7069
diff changeset
188 Range[] rs = generator.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
189 Range r = null;
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
190
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
191 if (type.equals("range")) {
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
192 r = rs[1];
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 663
diff changeset
193 }
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
194 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
195 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
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
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 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
199 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
200
659
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
201 return e;
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
202 }
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
203
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
204
2273
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parents: 2261
diff changeset
205 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
206 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
207 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
208 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
209 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
210 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
211 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
212 ) {
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 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
214 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
215
2330
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
216 Bounds bounds = null;
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
217 if (type.equals("range")) {
7082
3dc740c51f9b Remove generator2 hacks
Andre Heinecke <aheinecke@intevation.de>
parents: 7069
diff changeset
218 bounds = generator.getYBounds(pos);
2330
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
219 }
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
220 else {
7082
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Andre Heinecke <aheinecke@intevation.de>
parents: 7069
diff changeset
221 bounds = generator.getXBounds(pos);
2330
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
222 }
594885703687 Picked changes r4015:4026 from trunk.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2273
diff changeset
223
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
224 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
225 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
226 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
227
2330
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parents: 2273
diff changeset
228 cr.addAttr(e, "min", bounds.getLower().toString(), true);
594885703687 Picked changes r4015:4026 from trunk.
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parents: 2273
diff changeset
229 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
230
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 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
232 }
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
233
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
234
659
ab43f36f4af6 The ChartInfoGenerator appends axes range information to the document now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 657
diff changeset
235 /**
647
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
236 * This method appends the values of a transformation matrix to transform
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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237 * image pixel coordinates into chart coordinates.
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238 *
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239 * @param cr The ElementCreator.
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240 * @param chart The chart object.
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241 * @param info The ChartRenderingInfo that is filled while chart creation.
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242 *
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243 * @return an element that contains one or more transformation matrix.
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244 */
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245 protected Element createTransformationElements(
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246 ElementCreator cr,
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247 JFreeChart chart,
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248 ChartRenderingInfo info)
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249 {
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250 log.debug("InfoGeneratorHelper.createTransformationElements");
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251
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252 Element tf = cr.create("transformation-matrix");
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253
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254 Rectangle2D dataArea = info.getPlotInfo().getDataArea();
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255
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256 XYPlot plot = (XYPlot) chart.getPlot();
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257 ValueAxis xAxis = plot.getDomainAxis();
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258
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259 if (xAxis == null) {
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260 log.error("There is no x axis in the chart!");
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261 return null;
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262 }
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263
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264 for (int i = 0, num = plot.getRangeAxisCount(); i < num; i++) {
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265 ValueAxis yAxis = plot.getRangeAxis(i);
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266
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267 if (yAxis == null) {
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268 log.warn("No y axis at pos " + i + " existing.");
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269 continue;
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270 }
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271
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272 Element matrix = createTransformationElement(
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273 cr, xAxis, yAxis, dataArea, i);
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274
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275 tf.appendChild(matrix);
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276 }
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277
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278 return tf;
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279 }
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280
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281
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282 /**
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283 * Creates an element that contains values used to transform coordinates
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284 * of a coordinate system A into a coordinate system B.
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285 *
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286 * @param cr The ElementCreator.
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287 * @param xAxis The x axis of the target coordinate system.
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288 * @param yAxis The y axis of the target coordinate system.
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289 * @param dataArea The pixel coordinates of the chart image.
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290 * @param pos The dataset position.
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291 *
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292 * @return an element that contains transformation matrix values.
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293 */
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294 protected Element createTransformationElement(
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295 ElementCreator cr,
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296 ValueAxis xAxis,
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297 ValueAxis yAxis,
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298 Rectangle2D dataArea,
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299 int pos)
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300 {
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301 double[] tm = createTransformationMatrix(dataArea, xAxis, yAxis);
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302
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303 Element matrix = cr.create("matrix");
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304
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305 cr.addAttr(matrix, "pos", String.valueOf(pos), true);
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306 cr.addAttr(matrix, "sx", String.valueOf(tm[0]), true);
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307 cr.addAttr(matrix, "sy", String.valueOf(tm[1]), true);
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308 cr.addAttr(matrix, "tx", String.valueOf(tm[2]), true);
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309 cr.addAttr(matrix, "ty", String.valueOf(tm[3]), true);
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310
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311 if (xAxis instanceof DateAxis) {
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312 cr.addAttr(matrix, "xtype", "date", true);
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313 }
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314 else {
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315 cr.addAttr(matrix, "xtype", "number", true);
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316 }
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317
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318 if (yAxis instanceof DateAxis) {
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319 cr.addAttr(matrix, "ytype", "date", true);
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320 }
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321 else {
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322 cr.addAttr(matrix, "ytype", "number", true);
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323 }
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324
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325 return matrix;
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326 }
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327
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328
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329 /**
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330 * This method determines a transformation matrix to transform pixel
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331 * coordinates of the chart image into chart coordinates.
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332 *
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333 * @param dataArea The rectangle that contains the data points of the chart.
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334 * @param xAxis The x axis.
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335 * @param yAxis The y axis.
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336 *
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337 * @return a double array as follows: [sx, sy, tx, ty].
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338 */
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339 protected static double[] createTransformationMatrix(
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340 Rectangle2D dataArea,
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341 ValueAxis xAxis,
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342 ValueAxis yAxis)
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343 {
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344 log.debug("InfoGeneratorHelper.createTransformationMatrix");
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345
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346 double offsetX = dataArea.getX();
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347 double width = dataArea.getWidth();
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348 double offsetY = dataArea.getY();
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349 double height = dataArea.getHeight();
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350
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351 Range xRange = getRangeFromAxis(xAxis);
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352 Range yRange = getRangeFromAxis(yAxis);
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353
647
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354 double lowerX = xRange.getLowerBound();
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355 double upperX = xRange.getUpperBound();
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356 double lowerY = yRange.getLowerBound();
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357 double upperY = yRange.getUpperBound();
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358
648
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
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359 if (xAxis.isInverted()) {
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360 log.info("X-Axis is inverted!");
648
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
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parents: 647
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361
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
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parents: 647
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362 double tmp = upperX;
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363 upperX = lowerX;
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parents: 647
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364 lowerX = tmp;
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parents: 647
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365 }
d4c4fefb095b The matrix that is used to transform chart image coordinates into chart coordinates supports inverted x-axis now.
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parents: 647
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366
647
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367 double dMoveX = upperX - lowerX;
bb484489d3df Introduced a new output generators for creating chart info documents.
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368 double fMoveX = width * lowerX;
bb484489d3df Introduced a new output generators for creating chart info documents.
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369 double dMoveY = lowerY - upperY;
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370 double fMoveY = height * upperY;
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parents:
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371
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372 AffineTransform t1 = AffineTransform.getTranslateInstance(
bb484489d3df Introduced a new output generators for creating chart info documents.
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373 offsetX - ( fMoveX / dMoveX ),
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374 offsetY - ( fMoveY / dMoveY ) );
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parents:
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375
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376 AffineTransform t2 = AffineTransform.getScaleInstance(
bb484489d3df Introduced a new output generators for creating chart info documents.
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377 width / (upperX - lowerX),
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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378 height / (lowerY - upperY));
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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379
bb484489d3df Introduced a new output generators for creating chart info documents.
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380 t1.concatenate(t2);
bb484489d3df Introduced a new output generators for creating chart info documents.
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parents:
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381
bb484489d3df Introduced a new output generators for creating chart info documents.
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382 try {
bb484489d3df Introduced a new output generators for creating chart info documents.
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383 t1.invert();
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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384
bb484489d3df Introduced a new output generators for creating chart info documents.
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385 double[] c = new double[6];
bb484489d3df Introduced a new output generators for creating chart info documents.
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386 t1.getMatrix(c);
bb484489d3df Introduced a new output generators for creating chart info documents.
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parents:
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387
bb484489d3df Introduced a new output generators for creating chart info documents.
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388 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>
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389 }
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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390 catch (NoninvertibleTransformException e) {
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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391 // do nothing
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parents: 7082
diff changeset
392 log.warn("Matrix is not invertible.");
647
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393 }
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
394
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
395 return new double[] { 1d, 1d, 0d, 0d };
bb484489d3df Introduced a new output generators for creating chart info documents.
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parents:
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396 }
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
397
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
398
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
399 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
400 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
401 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
402 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
403 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
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 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
406 }
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 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
408 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
409 }
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 }
647
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
411 }
bb484489d3df Introduced a new output generators for creating chart info documents.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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412 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org