Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentLoadDataCalculation.java @ 8053:72760ca2fc2b

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Sediment load: dispatch calculation modes.
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 18 Jul 2014 11:58:59 +0200
parents 1dae69eff79d
children cd35b76f1ef8
rev   line source
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1 /* Copyright (C) 2014 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 package org.dive4elements.river.artifacts.model.minfo;
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9
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10 import java.util.List;
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11 import java.util.Set;
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12
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13 import org.dive4elements.river.artifacts.access.SedimentLoadAccess;
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14 import org.dive4elements.river.artifacts.model.Calculation;
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15 import org.dive4elements.river.artifacts.model.CalculationResult;
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16 import org.dive4elements.river.artifacts.model.RiverFactory;
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17 import org.apache.log4j.Logger;
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18 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData;
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19 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData.Value;
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20 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData.Station;
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21 import org.dive4elements.river.model.River;
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22 import org.dive4elements.river.utils.DoubleUtil;
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23
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24 public class SedimentLoadDataCalculation
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25 extends Calculation
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26 {
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27 private static final Logger log = Logger
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28 .getLogger(SedimentLoadDataCalculation.class);
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29
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30 public static final int [] TOTAL_LOAD_FLYS = {
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31 SedimentLoadData.GF_COARSE,
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32 SedimentLoadData.GF_FINE_MIDDLE,
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33 SedimentLoadData.GF_SAND,
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34 SedimentLoadData.GF_SUSP_SEDIMENT
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35 };
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36
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37 public static final int [] BED_LOAD_FLYS = {
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38 SedimentLoadData.GF_COARSE,
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39 SedimentLoadData.GF_FINE_MIDDLE,
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40 SedimentLoadData.GF_SAND
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41 };
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42
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43 public static final int [] BED_LOAD_SUSP_SAND_FLYS = {
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44 SedimentLoadData.GF_COARSE,
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45 SedimentLoadData.GF_FINE_MIDDLE,
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46 SedimentLoadData.GF_SAND,
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47 SedimentLoadData.GF_SUSP_SAND
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48 };
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49
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50 public static final int [] TOTAL_LOAD_BFG = {
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51 SedimentLoadData.GF_TOTAL
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52 };
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53
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54 public static final int [] BED_LOAD_BFG = {
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55 SedimentLoadData.GF_BED_LOAD
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56 };
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57
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58 public static final int [] SUSPENDED_LOAD_BFG = {
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59 SedimentLoadData.GF_SUSPENDED_LOAD
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60 };
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61
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62 public static final int [] COARSE_FLYS = {
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63 SedimentLoadData.GF_COARSE
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64 };
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65
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66 public static final int [] FINE_MIDDLE_FLYS = {
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67 SedimentLoadData.GF_FINE_MIDDLE
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68 };
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69
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70 public static final int [] SAND_FLYS = {
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71 SedimentLoadData.GF_SAND
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72 };
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73
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74 public static final int [] SUSP_SAND_FLYS = {
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75 SedimentLoadData.GF_SUSP_SAND
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76 };
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77
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78 public static final int [] SUSP_SAND_BED_FLYS = {
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79 SedimentLoadData.GF_SUSP_SAND_BED
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80 };
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81
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82 public static final int [] SUSP_SEDIMENT_FLYS = {
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83 SedimentLoadData.GF_SUSP_SEDIMENT
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84 };
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85
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86 public static final class Sum implements Value.Visitor {
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87
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88 private int n;
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89 private double sum;
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90 private double scale;
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91
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92 public Sum() {
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93 }
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94
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95 public Sum(double scale) {
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96 this.scale = scale;
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97 }
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98
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99 public double getSum() {
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100 return sum * scale;
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101 }
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102
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103 public int getN() {
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104 return n;
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105 }
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106
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107 public double getScale() {
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108 return scale;
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109 }
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110
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111 public void reset() {
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112 n = 0;
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113 sum = 0.0;
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114 }
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115
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116 @Override
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117 public void visit(Value value) {
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118 sum += value.getValue();
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119 ++n;
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120 }
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121 } // class Aggregate
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122
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123
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124 private String river;
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125 private String yearEpoch;
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126 private String unit;
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127 private int [][] epoch;
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128 private int [] period;
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129 private double from;
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130 private double to;
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131
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132
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133 public SedimentLoadDataCalculation() {
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134 }
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135
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136 public CalculationResult calculate(SedimentLoadAccess access) {
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137 log.info("SedimentLoadDataCalculation.calculate");
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138
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139 String river = access.getRiverName();
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140 String yearEpoch = access.getYearEpoch();
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141 String unit = access.getUnit();
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142
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143 int [] period = null;
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144 int [][] epoch = null;
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145
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146 double from = access.getUpperKM();
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147 double to = access.getLowerKM();
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148
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149 if (yearEpoch.equals("year")) {
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150 period = access.getPeriod();
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151 }
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152 else if (yearEpoch.equals("epoch") || yearEpoch.equals("off_epoch")) {
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153 epoch = access.getEpochs();
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154 }
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155 else {
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156 addProblem("minfo.missing.year_epoch");
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157 }
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158
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159 if (river == null) {
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160 // TODO: i18n
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161 addProblem("minfo.missing.river");
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162 }
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163
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164 if (period == null && epoch == null) {
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165 addProblem("minfo.missing.time");
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166 }
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167
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168 if (!hasProblems()) {
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169 this.river = river;
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170 this.yearEpoch = yearEpoch;
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171 this.unit = unit;
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172 this.period = period;
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173 this.epoch = epoch;
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174 this.from = from;
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175 this.to = to;
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176 return internalCalculate();
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177 }
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178
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179 return new CalculationResult(this);
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180 }
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181
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182 private CalculationResult internalCalculate() {
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183 if ("year".equals(yearEpoch)) return calculateYears();
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184 if ("epoch".equals(yearEpoch)) return calculateEpochs();
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185 if ("off_epoch".equals(yearEpoch)) return calculateOffEpochs();
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186
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187 // TODO: i18n
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188 addProblem("minfo.sediment.load.unknown.calc.mode");
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189
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190 return new CalculationResult(this);
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191 }
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192
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193 private CalculationResult calculateYears() {
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194 // TODO: Implement me!
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195 return null;
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196 }
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197
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198 private CalculationResult calculateEpochs() {
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199 // TODO: Implement me!
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200 return null;
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201 }
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202
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203 private CalculationResult calculateOffEpochs() {
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204 // TODO: Implement me!
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205 return null;
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206 }
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207
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208 /** Figure out flow direction of river. */
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209 private boolean isKmUp() {
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210 River r = RiverFactory.getRiver(river);
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211 if (r == null) {
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212 addProblem("minfo.missing.river");
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213 return true;
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214 }
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215 return r.getKmUp();
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216 }
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217
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218 public double[][] sum(
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219 SedimentLoadData sld,
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220 int [] grainFractions,
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221 Value.Filter filter,
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222 Sum sum,
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223 boolean isKMUp,
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224 Set<Integer> missingFractions
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diff changeset
225 ) {
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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226 List<Station> stations = sld.findStations(from, to);
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227
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228 double [] values = new double[grainFractions.length];
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229
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230 double [][] result = new double[2][stations.size()];
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diff changeset
231
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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232 for (int j = 0, S = stations.size(); j < S; ++j) {
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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233 Station station = stations.get(j);
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
234 for (int i = 0; i < grainFractions.length; ++i) {
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235 int gf = grainFractions[i];
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236 sum.reset();
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237 station.filterGrainFraction(gf, filter, sum);
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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238 if (sum.getN() == 0) { // No values found
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239 int msType = SedimentLoadData.measurementStationType(gf);
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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240 // Station of right fraction type already? No: take previous.
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241 if (!station.isType(msType)) {
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diff changeset
242 Station prev = station.prevByType(msType, isKMUp);
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243 if (prev != null) {
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244 prev.filterGrainFraction(gf, filter, sum);
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diff changeset
245 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
246 }
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diff changeset
247 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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248
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
249 if (sum.getN() == 0) {
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250 missingFractions.add(gf);
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
251 values[i] = Double.NaN;
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
252 } else {
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
253 values[i] = sum.getSum();
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
254 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
255 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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diff changeset
256 result[0][j] = station.getStation();
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diff changeset
257 result[1][j] = DoubleUtil.sum(values);
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258 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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259
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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parents:
diff changeset
260 // TODO: Handle 'virtual' measument stations 'from' and 'to'.
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diff changeset
261
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262 return result;
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diff changeset
263 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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264 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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265 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org