Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhcalculation/TkhCalculator.java @ 9532:8e6b9cb9486a

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Fixed BedQuality finder
author gernotbelger
date Tue, 02 Oct 2018 18:19:44 +0200
parents 144a184a414d
children
rev   line source
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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by
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3 * Björnsen Beratende Ingenieure GmbH
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
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5 *
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6 * This file is Free Software under the GNU AGPL (>=v3)
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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8 * documentation coming with Dive4Elements River for details.
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9 */
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10 package org.dive4elements.river.artifacts.sinfo.tkhcalculation;
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11
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12 import org.apache.commons.lang.math.DoubleRange;
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13 import org.dive4elements.river.artifacts.common.GeneralResultType;
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14 import org.dive4elements.river.artifacts.common.ResultRow;
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15 import org.dive4elements.river.artifacts.model.Calculation;
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16 import org.dive4elements.river.artifacts.sinfo.common.SInfoResultType;
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17 import org.dive4elements.river.artifacts.sinfo.tkhstate.BedHeightsFinder;
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18 import org.dive4elements.river.model.River;
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19
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20 /**
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21 * @author Gernot Belger
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22 */
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23 public final class TkhCalculator {
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24
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25 /**
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26 * Return type of the tkh calculation
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27 *
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28 */
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29 public enum TkhCalculateState {
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30 SUCCESS, NO_W, NO_BED_HEIGHT, NO_DISCHARGE, NO_SOILKIND, NO_D50, NO_VELOCITY, NO_TKH
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31 }
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32
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33 private final BedQualityD50KmValueFinder bedMeasurementsFinder;
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34
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35 private final SoilKindKmValueFinder soilKindFinder;
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36
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37 private final BedHeightsFinder bedHeightsProvider;
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38
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39 private final WaterlevelValuesFinder waterlevelProvider;
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40
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41 private final DischargeValuesFinder dischargeProvider;
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42
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43 private final FlowVelocityModelKmValueFinder flowVelocitiesFinder;
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44
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45 public static TkhCalculator buildTkhCalculator(final boolean useTkh, final Calculation problems, final String label, final River river,
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46 final DoubleRange calcRange, final WaterlevelValuesFinder waterlevelProvider, final DischargeValuesFinder dischargeProvider,
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47 final BedHeightsFinder bedHeightsProvider) {
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48
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49 if (!useTkh)
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50 return new TkhCalculator(null, waterlevelProvider, dischargeProvider, bedHeightsProvider, null, null);
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51
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52 if (!dischargeProvider.isValid()) {
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53 problems.addProblem("sinfo_calc_flow_depth.warning.missingQ", label);
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54 return new TkhCalculator(null, waterlevelProvider, dischargeProvider, bedHeightsProvider, null, null);
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55 }
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56
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57 /* access bed quality data */
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58 final int soundingYear = bedHeightsProvider.getInfo().getYear();
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59 final BedQualityD50KmValueFinder bedMeasurementsFinder = BedQualityD50KmValueFinder.loadBedMeasurements(problems, river, calcRange, soundingYear);
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60 if (bedMeasurementsFinder == null)
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61 return new TkhCalculator(null, waterlevelProvider, dischargeProvider, bedHeightsProvider, null, null);
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62
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63 /* access bed soil kind data */
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64 final SoilKindKmValueFinder soilKindFinder = SoilKindKmValueFinder.loadValues(problems, river, calcRange);
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65 if (soilKindFinder == null)
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66 return new TkhCalculator(null, waterlevelProvider, dischargeProvider, bedHeightsProvider, null, null);
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67
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68 final DoubleRange qRange = dischargeProvider.getRange();
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69 final FlowVelocityModelKmValueFinder flowVelocitiesFinder = FlowVelocityModelKmValueFinder.loadValues(problems, river, calcRange, qRange);
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70 if (flowVelocitiesFinder == null)
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71 return new TkhCalculator(null, waterlevelProvider, dischargeProvider, bedHeightsProvider, null, null);
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72
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73 return new TkhCalculator(bedMeasurementsFinder, waterlevelProvider, dischargeProvider, bedHeightsProvider, soilKindFinder, flowVelocitiesFinder);
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74 }
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75
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76 private TkhCalculator(final BedQualityD50KmValueFinder bedMeasurementsFinder, final WaterlevelValuesFinder waterlevelProvider,
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77 final DischargeValuesFinder dischargeProvider, final BedHeightsFinder bedHeightsProvider, final SoilKindKmValueFinder soilKindFinder,
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78 final FlowVelocityModelKmValueFinder flowVelocitiesFinder) {
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79 this.bedMeasurementsFinder = bedMeasurementsFinder;
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80 this.waterlevelProvider = waterlevelProvider;
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81 this.dischargeProvider = dischargeProvider;
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82 this.bedHeightsProvider = bedHeightsProvider;
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83 this.soilKindFinder = soilKindFinder;
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84 this.flowVelocitiesFinder = flowVelocitiesFinder;
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85 }
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86
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87 public boolean hasTkh() {
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88
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89 if (this.dischargeProvider == null || !this.dischargeProvider.isValid())
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90 return false;
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91
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92 if (this.bedMeasurementsFinder == null)
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93 return false;
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94
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95 if (this.soilKindFinder == null)
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96 return false;
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97
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98 if (this.flowVelocitiesFinder == null)
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99 return false;
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100
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101 return true;
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102 }
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103
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104 private SoilKind getSoilKind(final double km) {
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105
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106 if (this.soilKindFinder == null)
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107 return null;
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108
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109 return this.soilKindFinder.findSoilKind(km);
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110 }
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111
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112 private double getBedMeasurement(final double km) {
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113 return this.bedMeasurementsFinder.findD50(km);
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114 }
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115
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116 public TkhCalculateState calculateTkh(final double km, final ResultRow row) {
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117
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118 row.putValue(GeneralResultType.station, km);
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119
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120 final SoilKind kind = getSoilKind(km);
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121 row.putValue(SInfoResultType.soilkind, kind);
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122
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123 final double wst = this.waterlevelProvider.getWaterlevel(km);
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124 row.putValue(SInfoResultType.waterlevel, wst);
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125 if (Double.isNaN(wst))
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126 return TkhCalculateState.NO_W;
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127
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128 final double meanBedHeight = this.bedHeightsProvider.getMeanBedHeight(km);
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129 row.putValue(SInfoResultType.meanBedHeight, meanBedHeight);
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130 if (Double.isNaN(meanBedHeight))
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131 return TkhCalculateState.NO_BED_HEIGHT;
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132
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133 final double flowDepth = wst - meanBedHeight;
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134 row.putValue(SInfoResultType.flowdepth, flowDepth);
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135
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136 final double discharge = this.dischargeProvider.getDischarge(km);
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137 row.putValue(SInfoResultType.discharge, discharge);
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138
8946
5d5d482da3e9 Implementing SINFO - FlowDepthMinMax calculation
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139 if (!this.hasTkh())
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7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
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140 return TkhCalculateState.SUCCESS;
8978
b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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141
b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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142 // Missing discharge or kind is only a problem if we want to calculate tkh
b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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143 if (Double.isNaN(discharge))
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7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
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144 return TkhCalculateState.NO_DISCHARGE;
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b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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diff changeset
145 if (kind == null)
9335
7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
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diff changeset
146 return TkhCalculateState.NO_SOILKIND;
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147
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148 final double d50 = getBedMeasurement(km);
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144a184a414d Tkh: d50 converted to mm for output
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149 row.putValue(SInfoResultType.d50, d50 * 1000);
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d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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150 if (Double.isNaN(d50))
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7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
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151 return TkhCalculateState.NO_D50;
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152
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45f1ad66560e Code cleanup concerning calculations: improved error handling; improved interpolation; bed heights are now always used for spatial discretisation
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153 if (!this.flowVelocitiesFinder.findKmQValues(km, discharge))
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154 return TkhCalculateState.NO_VELOCITY;
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155
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156 final double velocity = this.flowVelocitiesFinder.getFindVmainFound();
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a4f1ac81f26d Work on SINFO-FlowDepthMinMax.
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157 row.putValue(SInfoResultType.velocity, velocity);
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b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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158 if (Double.isNaN(velocity))
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159 return TkhCalculateState.NO_VELOCITY;
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a4f1ac81f26d Work on SINFO-FlowDepthMinMax.
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160
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161 final double tau = this.flowVelocitiesFinder.getFindTauFound();
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a4f1ac81f26d Work on SINFO-FlowDepthMinMax.
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162 row.putValue(SInfoResultType.tau, tau);
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b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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163 if (Double.isNaN(tau))
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164 return TkhCalculateState.NO_VELOCITY;
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165
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7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
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166 final double tkh = calculateTkh(flowDepth, velocity, d50, tau);
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a4f1ac81f26d Work on SINFO-FlowDepthMinMax.
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167 row.putValue(SInfoResultType.tkh, tkh);
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b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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168 if (Double.isNaN(tkh))
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169 return TkhCalculateState.NO_TKH;
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170
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171 switch (kind) {
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172 case starr:
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a0a2e68a1e11 Fixed: cm rounding in S-Info flow depth/tkh and U-Info salix via BigDecimal, half_even mode
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173 row.putValue(SInfoResultType.tkhup, Math.rint(tkh));
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174 row.putValue(SInfoResultType.tkhdown, 0.0);
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175 break;
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176
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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177 case mobil:
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178 default:
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diff changeset
179 row.putValue(SInfoResultType.tkhup, Math.rint(tkh / 2));
a0a2e68a1e11 Fixed: cm rounding in S-Info flow depth/tkh and U-Info salix via BigDecimal, half_even mode
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diff changeset
180 row.putValue(SInfoResultType.tkhdown, -(Math.rint(tkh / 2)));
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181 break;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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182 }
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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183
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7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
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diff changeset
184 final double flowDepthTkh = calculateFlowDepthTkh(tkh, kind, flowDepth);
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a4f1ac81f26d Work on SINFO-FlowDepthMinMax.
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diff changeset
185 row.putValue(SInfoResultType.flowdepthtkh, flowDepthTkh);
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b5600453bb8f SINFO Calculations: do not produce result rows if some input data has missing values.
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diff changeset
186
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7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
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diff changeset
187 return TkhCalculateState.SUCCESS;
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d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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188 }
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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189
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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190 /**
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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191 * Calculates a transport body height
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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192 *
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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193 * @param h
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194 * flow depth in m
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195 * @param vm
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196 * flow velocity in m
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197 * @param d50
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198 * grain diameter D50 in m (!)
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199 * @param tau
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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200 * shear stress in N/m^2
8920
29442c03c6e3 d50 aggregation by median instead of arithmetic mean,
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diff changeset
201 * @return transport body height in cm (!), never negative
8915
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202 */
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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203 private double calculateTkh(final double h, final double vm, final double d50, final double tau) {
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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204 final double PHYS_G = 9.81;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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205 final double PHYS_SPECGRAV_S = 2.6;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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206 final double PHYS_VELOCCOEFF_N = 6;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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207 final double PHYS_FORMCOEFF_ALPHA = 0.7;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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208 final double PHYS_VISCOSITY_NUE = 1.3e-6;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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209 final double PHYS_GRAIN_DENSITY_RHOS = 2603;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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210 final double PHYS_WATER_DENSITY_RHO = 999.97;
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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diff changeset
211
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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212 final double froude = vm / Math.sqrt(PHYS_G * h);
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213 final double partReynolds = Math.sqrt((PHYS_SPECGRAV_S - 1) * PHYS_G * d50) / PHYS_VISCOSITY_NUE * d50;
9121
8675912c7f48 Fixed tkh calculation (sign of an exponent of the critical shields term)
mschaefer
parents: 8997
diff changeset
214 final double critShields = 0.22 * Math.pow(partReynolds, -0.6) + 0.06 * Math.pow(10, -7.7 * Math.pow(partReynolds, -0.6));
8915
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diff changeset
215 final double critTau = critShields * (PHYS_GRAIN_DENSITY_RHOS - PHYS_WATER_DENSITY_RHO) * PHYS_G * d50;
8920
29442c03c6e3 d50 aggregation by median instead of arithmetic mean,
mschaefer
parents: 8916
diff changeset
216 final double tkh = 100 * h * (1 - Math.pow(froude, 2)) / (2 * PHYS_VELOCCOEFF_N * PHYS_FORMCOEFF_ALPHA) * (1 - critTau / tau);
29442c03c6e3 d50 aggregation by median instead of arithmetic mean,
mschaefer
parents: 8916
diff changeset
217 // Some regular input values may give a negative calculation result; that is unwanted
29442c03c6e3 d50 aggregation by median instead of arithmetic mean,
mschaefer
parents: 8916
diff changeset
218 if (tkh < 0.0)
29442c03c6e3 d50 aggregation by median instead of arithmetic mean,
mschaefer
parents: 8916
diff changeset
219 return 0.0;
8938
9c02733a1b3c Work on Sinfo-tkh - exports; using same logic for wst-description as winfo
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parents: 8920
diff changeset
220
9c02733a1b3c Work on Sinfo-tkh - exports; using same logic for wst-description as winfo
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parents: 8920
diff changeset
221 return tkh;
8915
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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diff changeset
222 }
8940
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
223
9335
7dc238bd062c Fixed: calculation of flow depth and tkh with rounding to cm, calculator return differentiated
mschaefer
parents: 9121
diff changeset
224 private double calculateFlowDepthTkh(final double tkhValue, final SoilKind tkhKind, final double flowDepth) {
8940
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
225
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
226 switch (tkhKind) {
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
227 case starr:
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a0a2e68a1e11 Fixed: cm rounding in S-Info flow depth/tkh and U-Info salix via BigDecimal, half_even mode
mschaefer
parents: 9335
diff changeset
228 return flowDepth - Math.rint(tkhValue) / 100.0;
8940
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
229
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
230 case mobil:
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
231 default:
9375
a0a2e68a1e11 Fixed: cm rounding in S-Info flow depth/tkh and U-Info salix via BigDecimal, half_even mode
mschaefer
parents: 9335
diff changeset
232 return flowDepth - Math.rint(tkhValue / 2) / 100.0;
8940
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
233 }
82998242ba84 Preparing for additional outputs of SINFO-Tkh
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diff changeset
234 }
8915
d9dbf0b74bc2 Refaktoring of flow depth calculation, extracting tkh part. First implementation of tkh calculation.
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235 }
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