Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/GaugeDischargeArtifact.java @ 4255:670e98f5a441

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Fixed leak while merging facets. The ThemeList that is used by OutputHelper to sort the Facets for an Output now uses a list to store the ManagedFacets. The correct order is made up by sorting the List using Collections.sort() function of the Java JDK. Therfore, the ManagedFacet class implements the Comparable interface. The return value of its compareTo(other) method depends on the value of the 'position' field.
author Ingo Weinzierl <weinzierl.ingo@googlemail.com>
date Thu, 25 Oct 2012 14:01:46 +0200
parents 7500c7fbfaa9
children a2735a4bf75e
rev   line source
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.ArrayList;
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4 import java.util.Arrays;
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5 import java.util.List;
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6 import java.util.Map;
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7
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8 import org.apache.log4j.Logger;
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9
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10 import org.w3c.dom.Document;
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11
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12 import de.intevation.artifactdatabase.state.Facet;
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13
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14 import de.intevation.artifacts.Artifact;
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15 import de.intevation.artifacts.ArtifactFactory;
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16 import de.intevation.artifacts.CallMeta;
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17
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18 import de.intevation.flys.artifacts.model.FacetTypes;
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19 import de.intevation.flys.artifacts.model.WQKms;
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20
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21 import de.intevation.flys.artifacts.states.DefaultState;
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22
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23 import de.intevation.flys.artifacts.model.Calculation;
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24 import de.intevation.flys.artifacts.model.CalculationResult;
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25
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26 import de.intevation.flys.artifacts.model.DischargeTables;
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27
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28 import de.intevation.flys.model.Gauge;
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29 import de.intevation.flys.model.River;
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30
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31 import de.intevation.flys.utils.FLYSUtils;
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32
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33
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34 /**
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35 * Artifact to get discharge curves at gauges.
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36 */
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37 public class GaugeDischargeArtifact
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38 extends WINFOArtifact
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39 implements FacetTypes
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40 {
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41 /** The logger for this class. */
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42 private static Logger logger = Logger.getLogger(GaugeDischargeArtifact.class);
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43
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44 /** The name of the artifact. */
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45 public static final String ARTIFACT_NAME = "gaugedischarge";
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46
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47
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48 /**
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49 * Trivial Constructor.
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50 */
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51 public GaugeDischargeArtifact() {
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52 logger.debug("GaugeDischargeArtifact.GaugeDischargeArtifact()");
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53 }
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54
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55
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56 /**
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57 * Gets called from factory, to set things up.
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58 * Especially, when loaded via datacage mechanisms, provide the
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59 * data document.
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60 * @param data filled with stuff from dc, if any.
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61 */
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62 @Override
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63 public void setup(
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64 String identifier,
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65 ArtifactFactory factory,
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66 Object context,
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67 CallMeta callMeta,
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68 Document data)
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69 {
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70 logger.debug("GaugeDischargeArtifact.setup");
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71 String ids = StaticFLYSArtifact.getDatacageIDValue(data);
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72 addStringData("ids", ids);
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73 logger.debug("id for gaugedischarge: " + ids);
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74 super.setup(identifier, factory, context, callMeta, data);
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75 }
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76
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77
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78 /** Return the name of this artifact. */
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79 public String getName() {
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80 return ARTIFACT_NAME;
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81 }
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82
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83
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84 /**
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85 * Setup state and facet, copy from master artifact.
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86 */
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87 @Override
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88 protected void initialize(Artifact art, Object context, CallMeta meta) {
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89 logger.debug("GaugeDischargeArtifact.initialize");
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90 List<Facet> fs = new ArrayList<Facet>();
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91 FLYSArtifact artifact = (FLYSArtifact) art;
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92 importData(artifact, "river");
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93
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94 // Get the location(s)
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95 //importData(artifact, "ld_mode", ld_from, ld_to, ld_locations
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96 addStringData("ld_from", "0");
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97 addStringData("ld_to", "1000");
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98 addStringData("ld_mode", "distance");
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99
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100 DefaultState state = (DefaultState) getCurrentState(context);
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101 state.computeInit(this, hash(), context, meta, fs);
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102 if (!fs.isEmpty()) {
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103 logger.debug("Facets to add in GaugeDischargeArtifact.initialize. ("
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104 + state.getID() + "/ " + getCurrentStateId() + ").");
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105 facets.put(getCurrentStateId(), fs);
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106 }
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107 else {
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108 logger.debug("No facets to add in GaugeDischargeArtifact.initialize ("
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109 + state.getID() + "/ "+getCurrentStateId()+").");
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110 }
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111 }
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112
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113
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114 /** Get the Gauges name which came with datacage data-document. */
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115 public String getGaugeName() {
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116 return this.getDataAsString("ids");
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117 }
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118
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119
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120 /** Get the Gauges which came with datacage data-document. */
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121 public Gauge getGauge() {
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122 River river = FLYSUtils.getRiver(this);
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123 return river.determineGaugeByName(getGaugeName());
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124 }
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125
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126
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127 /**
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128 * Returns the data that is used to create discharge curves.
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129 * @return CalculationResult with WQKms.
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130 */
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131 public CalculationResult getDischargeCurveData() {
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132
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133 River river = FLYSUtils.getRiver(this);
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134 if (river == null) {
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135 return error(new WQKms[0], "no.river.selected");
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136 }
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137 /*
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138 // This one would allow to automatically pick the right Gauge.
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139 double [] distance = FLYSUtils.getKmRange(this);
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140 logger.debug("getDischargeCurveData: get range");
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141
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142 if (distance == null) {
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143 return error(new WQKms[0], "no.range.found");
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144 }
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145
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146 List<Gauge> gauges = river.determineGauges(distance[0], distance[1]);
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147 logger.debug("getDischargeCurveData: got " + gauges.size() + " gauges");
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148
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149 if (gauges.isEmpty()) {
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150 return error(new WQKms[0], "no.gauge.selected");
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151 }
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152
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153 String [] names = new String[gauges.size()];
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154
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155 for (int i = 0; i < names.length; ++i) {
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156 names[i] = gauges.get(i).getName();
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157 logger.debug("getDischargeCurveData: name " + names[i]);
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158 }
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159 */
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160
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161 DischargeTables dt = new DischargeTables(river.getName(), getDataAsString("ids"));
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162
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163 Map<String, double [][]> map = dt.getValues(100);
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164
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165 ArrayList<WQKms> res = new ArrayList<WQKms>();
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166
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167 Gauge gauge = river.determineGaugeByName(this.getDataAsString("ids"));
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168
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169 String name = getGaugeName();
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170 double [][] values = map.get(name);
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171 if (values == null) {
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172 logger.error("No values for this gauge / discharge found.");
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173 return error(new WQKms[0], "no.gauge.found");
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174 }
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175 for (int i = 0 ; i < values[0].length; i++) {
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176 values[0][i] += gauge.getDatum().doubleValue();
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177 }
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178 double [] kms = new double[values[0].length];
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179 Arrays.fill(kms, gauge.getStation().doubleValue());
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180 res.add(new WQKms(kms, values[0], values[1], name));
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181
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182 return new CalculationResult(
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183 res.toArray(new WQKms[res.size()]),
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184 new Calculation());
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185 }
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186 }
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187 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org