Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/LongitudinalSectionGenerator2.java @ 8732:c0c162d7cb0e

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(issue1754) Handle the case if no radius is given.
author Tom Gottfried <tom@intevation.de>
date Thu, 30 Apr 2015 18:13:15 +0200
parents bccc476e78eb
children 8dbb969091c5
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 org.dive4elements.river.artifacts.D4EArtifact;
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12 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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13 import org.dive4elements.river.artifacts.access.RangeAccess;
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14 import org.dive4elements.river.jfree.Bounds;
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15 import org.dive4elements.river.jfree.DoubleBounds;
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16 import org.dive4elements.river.themes.ThemeDocument;
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17 import org.dive4elements.river.artifacts.model.FacetTypes;
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18 import org.dive4elements.river.artifacts.access.RiverAccess;
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19 import org.dive4elements.river.artifacts.model.ZoomScale;
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20 import org.dive4elements.river.artifacts.context.RiverContext;
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21 import org.dive4elements.river.artifacts.resources.Resources;
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22
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23 import org.jfree.data.Range;
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24
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25 import java.util.List;
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26 import java.util.ArrayList;
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27 import java.util.HashSet;
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28
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29 import org.apache.log4j.Logger;
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30
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31 public class LongitudinalSectionGenerator2 extends DiagramGenerator
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32 {
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33 private static Logger log = Logger.getLogger(LongitudinalSectionGenerator2.class);
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34
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35 /** Wrapper around the doOut info for postprocessing. */
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36 protected static class SuperBundle
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37 {
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38 public ArtifactAndFacet bundle;
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39 public ThemeDocument theme;
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40 boolean visible;
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41 public SuperBundle(ArtifactAndFacet bundle, ThemeDocument theme, boolean visible) {
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42 this.bundle = bundle;
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43 this.theme = theme;
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44 this.visible = visible;
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45 }
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46 };
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47
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48 protected List<SuperBundle> postOutAF;
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49
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50 public static final String I18N_CHART_SHORT_SUBTITLE =
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51 "chart.longitudinal.section.shortsubtitle";
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52
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53 public static final String I18N_CHART_LOCATION_SUBTITLE =
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54 "chart.longitudinal.section.locsubtitle";
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55
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56 public static final String I18N_CHART_DISTANCE_SUBTITLE =
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57 "chart.longitudinal.section.subtitle";
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58
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59 public static final String I18N_SUBTITLE_RADIUS =
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60 "chart.subtitle.radius";
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61
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62 @Override
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63 public String getDefaultChartSubtitle() {
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64 double[] dist = getRange();
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65
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66 String parts = "";
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67 if (subTitleParts != null && !subTitleParts.isEmpty()) {
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68 for (String p : subTitleParts) {
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69 parts += " " + p;
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70 }
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71 }
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72 if (dist == null || dist.length != 2 ||
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73 Double.isNaN(dist[0]) || Double.isNaN(dist[1])) {
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74 Object [] args = new Object[] {getRiverName()};
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75 return msg(I18N_CHART_SHORT_SUBTITLE, "", args) + parts;
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76 }
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77
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78 if (Math.abs(dist[0] - dist[1]) < 1E-5) {
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79 Object [] args = new Object[] {getRiverName(), dist[1]};
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80 return msg(I18N_CHART_LOCATION_SUBTITLE, "", args) + parts;
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81 }
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82 Object [] args = new Object[] {getRiverName(), dist[0], dist[1]};
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83 return msg(I18N_CHART_DISTANCE_SUBTITLE, "", args) + parts;
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84 }
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85
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86 protected void calculateRadius() {
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87 // Fixed range in settings is preferred
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88 Range candidate = getRangeForAxisFromSettings("X");
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89 Bounds dataBounds = getXBounds(0);
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90 if (candidate == null) {
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91 candidate = getDomainAxisRange(); // Diagram is zoomed
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92 if (candidate != null && dataBounds == null) {
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93 log.debug("Can't calculate the zoom without any X bounds.");
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94 candidate = null;
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95 } else if (candidate != null) {
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96 // domainAxisRange is relative so we have to take
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97 // this into account.
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98 Bounds bounds =
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99 calculateZoom(dataBounds, candidate);
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100 candidate = new Range(bounds.getLower().doubleValue(),
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101 bounds.getUpper().doubleValue());
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102 log.debug("Using X Range from zoom.");
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103 }
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104 } else {
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105 log.debug("Using X Range from settings.");
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106 }
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107
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108 if (candidate == null) {
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109 if (dataBounds == null) {
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110 // Diagram is empty.
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111 candidate = new Range(0d, 0d);
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112 log.debug("Empty diagram using fake Range");
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113 } else {
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114 // Diagram is not zoomed
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115 candidate = new Range(dataBounds.getLower().doubleValue(),
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116 dataBounds.getUpper().doubleValue());
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117 log.debug("Using Full X Range.");
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118 }
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119 }
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120 log.debug("startkm for Radius is: " + candidate.getLowerBound() +
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121 " endkm: " + candidate.getUpperBound());
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122
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123 // This might not be neccessary if every facet uses only the
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124 // radius and does not do its own zoomscale calculation.
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125 context.putContextValue("startkm", candidate.getLowerBound());
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126 context.putContextValue("endkm", candidate.getUpperBound());
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127 context.putContextValue("bounds_defined", true);
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128
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129 RiverContext fc = (RiverContext)context.globalContext();
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130 ZoomScale scales = (ZoomScale)fc.get("zoomscale");
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131 RiverAccess access = new RiverAccess((D4EArtifact)getMaster());
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132 String river = access.getRiverName();
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133
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134 double radius = scales.getRadius(river, candidate.getLowerBound(),
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135 candidate.getUpperBound());
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136 context.putContextValue("radius", radius);
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137 }
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138
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139 @Override
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140 protected void postProcess() {
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141 if (postOutAF == null) {
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142 log.debug("PostProcess without bundles to process");
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143 return;
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144 }
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145
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146 // fake startkm and endkm for the dry run
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147 context.putContextValue("startkm", 0d);
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148 context.putContextValue("endkm", 42d);
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149 for (SuperBundle superbundle: postOutAF) {
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150 // Dry run with fake start /end
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151 // to get the filtered facets also included
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152 // in the x axis range.
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153 super.doOut(superbundle.bundle, superbundle.theme, false);
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154 }
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155
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156 calculateRadius(); // This calculates the real start and end km's
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157
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158 for (SuperBundle superbundle: postOutAF) {
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159 super.doOut(superbundle.bundle, superbundle.theme, superbundle.visible);
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160 }
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161 }
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162
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163 /* We override doOut here to save the startkm and endkm in the
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164 * context. Some facets will deliver different data because of
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165 * that setting. It is mainly used in MINFO where it causes
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166 * adaptive smoothing on the data if you are zoomed out do
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167 * reduce the static in the curve. */
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168 @Override
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169 public void doOut(
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170 ArtifactAndFacet bundle,
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171 ThemeDocument theme,
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172 boolean visible
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173 ) {
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174 String facetName = bundle.getFacetName();
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175 if (FacetTypes.IS.FILTERED(facetName)) {
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176 // We can only process the filtered (smoothed) facets
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177 // after we know the diagram's extend to correctly calculate
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178 // the radius of the filter / smoothing operation. So
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179 // we postprocess them.
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180
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181 SuperBundle superbundle = new SuperBundle(bundle, theme, visible);
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182 if (postOutAF == null) {
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183 postOutAF = new ArrayList<SuperBundle>();
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184 }
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185 postOutAF.add(superbundle);
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186 if (visible) {
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187 log.debug("Adding radius subtitle.");
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188
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189 addSubtitle(Resources.getMsg(
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190 getCallContext().getMeta(),
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191 I18N_SUBTITLE_RADIUS,
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192 new Object[] { "$RADIUS" }));
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193 }
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194 return;
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195 }
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196 super.doOut(bundle, theme, visible);
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197 }
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198 }
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199 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org