Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentLoadDataCalculation.java @ 8049:d49846f05108

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Sediment load: (incomplete) new sediment load calculation.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 17 Jul 2014 16:51:18 +0200
parents
children 9e79e384aa8b
rev   line source
8049
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
Sascha L. Teichmann <teichmann@intevation.de>
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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.apache.log4j.Logger;
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17 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData;
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18 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData.Value;
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19 import org.dive4elements.river.artifacts.model.minfo.SedimentLoadData.Station;
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20
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21 public class SedimentLoadDataCalculation
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22 extends Calculation
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23 {
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24 private static final Logger log = Logger
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25 .getLogger(SedimentLoadDataCalculation.class);
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26
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27 public static final int [] TOTAL_LOAD_FLYS = {
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28 SedimentLoadData.GF_COARSE,
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29 SedimentLoadData.GF_FINE_MIDDLE,
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30 SedimentLoadData.GF_SAND,
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31 SedimentLoadData.GF_SUSP_SEDIMENT
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32 };
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33
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34 public static final int [] BED_LOAD_FLYS = {
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35 SedimentLoadData.GF_COARSE,
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36 SedimentLoadData.GF_FINE_MIDDLE,
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37 SedimentLoadData.GF_SAND
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38 };
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39
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40 public static final int [] BED_LOAD_SUSP_SAND_FLYS = {
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41 SedimentLoadData.GF_COARSE,
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42 SedimentLoadData.GF_FINE_MIDDLE,
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43 SedimentLoadData.GF_SAND,
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44 SedimentLoadData.GF_SUSP_SAND
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45 };
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46
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47 public static final class Sum implements Value.Visitor {
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48
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49 private int n;
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50 private double sum;
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51 private double scale;
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52
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53 public Sum() {
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54 }
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55
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56 public Sum(double scale) {
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57 this.scale = scale;
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58 }
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59
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60 public double getSum() {
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61 return sum * scale;
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62 }
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63
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64 public int getN() {
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65 return n;
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66 }
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67
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68 public double getScale() {
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69 return scale;
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70 }
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71
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72 public void reset() {
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73 n = 0;
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74 sum = 0.0;
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75 }
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76
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77 @Override
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78 public void visit(Value value) {
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79 sum += value.getValue();
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80 ++n;
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81 }
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82 } // class Aggregate
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83
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84
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85 public SedimentLoadDataCalculation() {
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86 }
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87
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88 public CalculationResult calculate(SedimentLoadAccess access) {
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89 log.info("SedimentLoadDataCalculation.calculate");
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90 // TODO: Implement me!
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91
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92 return null;
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93 }
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94
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95 private static double sum(double [] values) {
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96 double sum = 0.0;
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97 for (double value: values) {
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98 sum += value;
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99 }
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100 return sum;
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101 }
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102
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103 public double[][] sum(
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104 SedimentLoadData sld,
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105 double from,
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106 double to,
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107 int [] grainFractions,
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108 Value.Filter filter,
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109 Sum sum,
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110 boolean isKMUp,
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111 Set<Integer> missingFractions
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112 ) {
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113 List<Station> stations = sld.findStations(from, to);
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114
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115 double [] values = new double[grainFractions.length];
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116
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117 double [][] result = new double[2][stations.size()];
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118
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119 for (int j = 0, S = stations.size(); j < S; ++j) {
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120 Station station = stations.get(j);
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121 for (int i = 0; i < grainFractions.length; ++i) {
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122 int gf = grainFractions[i];
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123 sum.reset();
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124 station.filterGrainFraction(gf, filter, sum);
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125 if (sum.getN() == 0) { // No values found
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126 int msType = SedimentLoadData.measurementStationType(gf);
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127 // Station of right fraction type already? No: take previous.
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128 if (!station.isType(msType)) {
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129 Station prev = station.prevByType(msType, isKMUp);
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130 if (prev != null) {
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131 prev.filterGrainFraction(gf, filter, sum);
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132 }
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133 }
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134 }
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135
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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136 if (sum.getN() == 0) {
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137 missingFractions.add(gf);
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138 values[i] = Double.NaN;
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139 } else {
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140 values[i] = sum.getSum();
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141 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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142 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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143 result[0][j] = station.getStation();
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144 result[1][j] = sum(values);
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145 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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parents:
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146
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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147 // TODO: Handle 'virtual' measument stations 'from' and 'to'.
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148
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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149 return result;
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150 }
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151 }
d49846f05108 Sediment load: (incomplete) new sediment load calculation.
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152 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org