Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentLoadFacet.java @ 6341:3ec08ff0f497

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author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 14 Jun 2013 17:08:31 +0200
parents fbe2d4c2b2dd
children b8cd8e2d0c35
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
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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.artifacts.model.minfo;
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10
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11 import org.dive4elements.artifactdatabase.state.Facet;
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12
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13 import org.dive4elements.artifacts.Artifact;
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14 import org.dive4elements.artifacts.CallContext;
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15
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16 import org.dive4elements.river.artifacts.D4EArtifact;
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17
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18 import org.dive4elements.river.artifacts.model.CalculationResult;
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19 import org.dive4elements.river.artifacts.model.DataFacet;
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20 import org.dive4elements.river.artifacts.model.FacetTypes;
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21
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22 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
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23
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24 import org.dive4elements.river.model.MeasurementStation;
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25
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26 import org.dive4elements.river.utils.RiverUtils;
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27
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28 import java.util.ArrayList;
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29 import java.util.Collections;
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30 import java.util.List;
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31 import java.util.Map;
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32 import java.util.TreeMap;
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33
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34 import org.apache.log4j.Logger;
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35
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36
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37 /** Facet to access various sediment loads. */
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38 public class SedimentLoadFacet
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39 extends DataFacet
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40 {
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41 /** Very own logger. */
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42 private static Logger logger = Logger.getLogger(SedimentLoadFacet.class);
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43
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44 /** Used as tolerance value when fetching measurement stations. */
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45 private static double EPSILON = 1e-5;
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46
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47
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48 public SedimentLoadFacet() {
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49 }
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50
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51 public SedimentLoadFacet(int idx, String name, String description,
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52 ComputeType type, String stateId, String hash) {
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53 super(idx, name, description, type, hash, stateId);
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54 }
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55
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56 public Object getData(Artifact artifact, CallContext context) {
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57 logger.debug("Get data for sediment load at index: " + index);
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58
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59 D4EArtifact flys = (D4EArtifact) artifact;
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60
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61 CalculationResult res = (CalculationResult) flys.compute(context, hash,
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62 stateId, type, false);
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63
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64 Object[] data =
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65 (SedimentLoadResult[]) res.getData(); // TODO CAST TO SPECIFIC CLASS
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66
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67 List<MeasurementStation> allStations = RiverUtils.getRiver(flys).getMeasurementStations();
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68 SedimentLoadResult result = data != null && data.length > index ? (SedimentLoadResult)data[index] : null;
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69 if (result == null) {
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70 return null;
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71 }
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72
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73 List<Double> sortedStarts = new ArrayList<Double>();
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74 // Filter stations according to type.
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75 List<MeasurementStation> stations = new ArrayList<MeasurementStation>();
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76 for (MeasurementStation station: allStations) {
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77 if (station.getRange() == null || station.getMeasurementType() == null) {
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78 continue;
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79 }
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80 if (FacetTypes.IS.SEDIMENT_LOAD_NO_FLOAT(this.getName())
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81 && station.getMeasurementType().equals("Geschiebe")) {
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82 stations.add(station);
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83 sortedStarts.add(station.getStation());
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84 }
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85 else if (!FacetTypes.IS.SEDIMENT_LOAD_NO_FLOAT(this.getName())
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86 && station.getMeasurementType().equals("Schwebstoff")) {
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87 stations.add(station);
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88 sortedStarts.add(station.getStation());
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89 }
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90 }
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91 Collections.sort(sortedStarts);
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92
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93 // Access data according to type.
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94 double[][] sd = getLoadData(result);
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95
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96 // Sort by km.
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97 TreeMap<Double, Double> sortedKmLoad = new TreeMap<Double,Double>();
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98
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99 double[] km = sd[0];
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100 double[] load = sd[1];
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101
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102 for (int i = 0 ; i < km.length; i++) {
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103 sortedKmLoad.put(km[i], load[i]);
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104 }
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105
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106 // [0] -> x, [1] -> y
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107 double[][] values = new double[2][];
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108 values[0] = new double[km.length*3];
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109 values[1] = new double[km.length*3];
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110
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111 List<double[]> kmWithoutStation = new ArrayList<double[]>();
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112
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113 // Find station via its station (km).
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114 // TODO use a binarySearch instead of linear absdiff approach
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115 int i = 0;
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116 for (Map.Entry<Double, Double> kmLoad: sortedKmLoad.entrySet()) {
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117 boolean matchFound = false;
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118 // For now, ignore overlaps like (B> next A)
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119 for (MeasurementStation station: stations) {
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120 if (Math.abs(station.getStation() - kmLoad.getKey()) < EPSILON ||
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121 station.getRange().containsTolerant(kmLoad.getKey())) {
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122 // TODO: In rare cases, two matches can be found.
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123 values[0][i*3] = station.getRange().getA().doubleValue() + EPSILON;
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fbe2d4c2b2dd In prep for 1235: Renamed variables for improved readability.
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124 values[1][i*3] = kmLoad.getValue();
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125 values[0][i*3+1] = station.getRange().getB().doubleValue() - EPSILON;
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126 values[1][i*3+1] = kmLoad.getValue();
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127 values[0][i*3+2] = station.getRange().getB().doubleValue();
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128 values[1][i*3+2] = kmLoad.getValue();
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129 matchFound = true;
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130 }
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131 }
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132 // Store points without match for later assessment.
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133 if (!matchFound) {
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134 logger.warn("measurement without station ("+kmLoad.getKey()+")!");
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135 }
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136 i++;
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137 }
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138
5231e6b849ce issue1077: Handle overlapping measurement station ranges, refactored Generator,
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diff changeset
139 for (int x = 0; x < values[0].length-1; x++) {
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140 // Introduce gaps where no data in measurement station.
5231e6b849ce issue1077: Handle overlapping measurement station ranges, refactored Generator,
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diff changeset
141 if (Math.abs(values[0][x+1] - values[0][x]) > 3*EPSILON
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142 && values[1][x+1] != values[1][x]) {
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parents: 5648
diff changeset
143 values[0][x] = Double.NaN;
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144 values[1][x] = Double.NaN;
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145 }
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diff changeset
146 }
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147
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148 return values;
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149 }
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150
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151
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152 /** Get data according to type of facet. */
4feda81c38bc SedimentLoadFacet: Minor refactor.
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153 private double[][] getLoadData(SedimentLoadResult result) {
4feda81c38bc SedimentLoadFacet: Minor refactor.
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154 if (getName().equals(FacetTypes.SEDIMENT_LOAD_SAND))
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155 return result.getSandData();
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156 else if (getName().equals(FacetTypes.SEDIMENT_LOAD_COARSE))
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157 return result.getCoarseData();
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158 else if (getName().equals(FacetTypes.SEDIMENT_LOAD_FINEMIDDLE))
4feda81c38bc SedimentLoadFacet: Minor refactor.
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159 return result.getFineMiddleData();
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160 else if (getName().equals(FacetTypes.SEDIMENT_LOAD_SUSP_SAND))
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161 return result.getSuspSandData();
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162 else if (getName().equals(FacetTypes.SEDIMENT_LOAD_SUSP_SAND_BED))
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163 return result.getSuspSandBedData();
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164 else if (getName().equals(FacetTypes.SEDIMENT_LOAD_SUSP_SEDIMENT))
4feda81c38bc SedimentLoadFacet: Minor refactor.
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165 return result.getSuspSedimentData();
4feda81c38bc SedimentLoadFacet: Minor refactor.
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diff changeset
166 else if (getName().equals(FacetTypes.SEDIMENT_LOAD_TOTAL_LOAD))
4feda81c38bc SedimentLoadFacet: Minor refactor.
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diff changeset
167 return result.getTotalLoadData();
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diff changeset
168 else if (getName().equals(FacetTypes.SEDIMENT_LOAD_TOTAL))
4feda81c38bc SedimentLoadFacet: Minor refactor.
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diff changeset
169 return result.getTotalData();
4feda81c38bc SedimentLoadFacet: Minor refactor.
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170 else {
4feda81c38bc SedimentLoadFacet: Minor refactor.
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diff changeset
171 logger.error("SedimentLoadFacet " + getName() + " cannot determine data type.");
4feda81c38bc SedimentLoadFacet: Minor refactor.
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172 return null;
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173 }
4feda81c38bc SedimentLoadFacet: Minor refactor.
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174 }
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175
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176 /** Copy deeply. */
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177 @Override
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178 public Facet deepCopy() {
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179 SedimentLoadFacet copy = new SedimentLoadFacet();
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180 copy.set(this);
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181 copy.type = type;
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182 copy.hash = hash;
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183 copy.stateId = stateId;
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184 return copy;
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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