Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/uinfo/salix/SalixLineCalculator.java @ 9394:439699ff9b2d

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Added U-Info iota (prev. salix) calculation for historical scenario
author mschaefer
date Fri, 10 Aug 2018 17:31:46 +0200
parents 8ae7137b67d7
children 6e7094368e97
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.uinfo.salix;
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11
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12 import java.math.BigDecimal;
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13 import java.util.ArrayList;
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14 import java.util.HashMap;
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15 import java.util.List;
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16 import java.util.Map;
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17 import java.util.Map.Entry;
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18 import java.util.NavigableMap;
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19
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20 import org.dive4elements.river.artifacts.WINFOArtifact;
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21 import org.dive4elements.river.artifacts.access.ComputationRangeAccess;
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22 import org.dive4elements.river.artifacts.common.GeneralResultType;
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23 import org.dive4elements.river.artifacts.common.ResultRow;
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24 import org.dive4elements.river.artifacts.model.Calculation;
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25 import org.dive4elements.river.artifacts.model.WstValueTable;
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26 import org.dive4elements.river.artifacts.model.WstValueTable.QPosition;
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27 import org.dive4elements.river.artifacts.model.WstValueTableFactory;
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28 import org.dive4elements.river.artifacts.sinfo.common.RiverInfoProvider;
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29 import org.dive4elements.river.artifacts.sinfo.common.SInfoResultType;
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30 import org.dive4elements.river.artifacts.sinfo.tkhstate.WinfoArtifactWrapper;
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31 import org.dive4elements.river.artifacts.uinfo.UINFOArtifact;
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32 import org.dive4elements.river.artifacts.uinfo.common.UInfoResultType;
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33 import org.dive4elements.river.artifacts.uinfo.salix.SalixLineAccess.ScenarioType;
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34 import org.dive4elements.river.model.Gauge;
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35 import org.dive4elements.river.model.MainValue;
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36 import org.dive4elements.river.model.MainValueType.MainValueTypeKey;
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37 import org.dive4elements.river.utils.Formatter;
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38
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39 /**
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40 * Calculation of the result rows of the u-info salix line calc mode
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41 *
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42 * @author Matthias Schäfer
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43 */
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44 final class SalixLineCalculator {
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45
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46 private static final BigDecimal SALIX_DISTANCE = new BigDecimal("2.31");
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47 private final List<ResultRow> rows = new ArrayList<>();
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48
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49 private final RiverInfoProvider riverInfoProvider;
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50
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51 private final Map<Gauge, QPosition> gaugeMwPos;
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52 private final Map<Gauge, QPosition> gaugeMnwPos;
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53 private final Map<Gauge, QPosition> gaugeMhwPos;
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54 private QPosition refGaugeMwPos;
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55 private QPosition refGaugeMnwPos;
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56 private QPosition refGaugeMhwPos;
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57
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58 private Calculation problems;
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59
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60 private WstValueTable wst;
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61
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62 public SalixLineCalculator(final RiverInfoProvider riverInfoProvider) {
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63 this.riverInfoProvider = riverInfoProvider;
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64 this.gaugeMwPos = new HashMap<>();
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65 this.gaugeMnwPos = new HashMap<>();
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66 this.gaugeMhwPos = new HashMap<>();
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67 }
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68
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69 /**
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70 * Calculate the salix line result rows
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71 */
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72 public void execute(final Calculation problems, final UINFOArtifact uinfo, final NavigableMap<Double, List<Double>> rangeScenarios,
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73 final ScenarioType scenarioType, final String[] scenarioLabels, final String rangeString, final String additionalString,
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74 final SalixLineCalculationResults results) {
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75
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76 this.problems = problems;
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77 this.wst = WstValueTableFactory.getTable(this.riverInfoProvider.getRiver());
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78
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79 fetchGaugeMainValuePositions();
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80
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81 final WINFOArtifact winfo = new WinfoArtifactWrapper(uinfo);
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82 winfo.addStringData("ld_mode", "distance");
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83 winfo.addStringData("ld_step", "100");
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84 for (final double station : new ComputationRangeAccess(winfo).getKms()) {
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85 this.rows.add(createRow(station, rangeScenarios));
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86 }
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87 if (scenarioType == ScenarioType.REGIONAL)
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88 results.addResult(new SalixLineCalculationRegionalResult("Salix-regional", scenarioLabels, rangeString, additionalString, this.rows), problems);
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89 else if (scenarioType == ScenarioType.SUPRAREGIONAL)
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90 results.addResult(new SalixLineCalculationSupraRegionalResult("Salix-supra", scenarioLabels, rangeString, additionalString, this.rows), problems);
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91 else if (scenarioType == ScenarioType.HISTORICAL)
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92 results.addResult(new SalixLineCalculationHistoricalResult("Salix-hist", scenarioLabels, rangeString, additionalString, this.rows), problems);
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93 else
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94 results.addResult(new SalixLineCalculationResult("Salix-simple", this.rows), problems);
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95 }
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96
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97 /**
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98 * Fetch MQ, MNQ and MHQ of all gauges and determine the wst QPosition for each one
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99 */
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100 private void fetchGaugeMainValuePositions() {
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101 this.gaugeMwPos.clear();
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102 this.gaugeMnwPos.clear();
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103 this.gaugeMhwPos.clear();
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104 boolean first = true;
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105 for (final Gauge gauge : this.riverInfoProvider.getGauges()) {
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106 this.gaugeMwPos.put(gauge, null);
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107 this.gaugeMnwPos.put(gauge, null);
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108 this.gaugeMhwPos.put(gauge, null);
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109 final double gaugeKm = gauge.getStation().doubleValue();
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110 for (final MainValue mv : MainValue.getValuesOfGaugeAndType(gauge, MainValueTypeKey.Q)) {
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111 if (mv.getMainValue().getName().equalsIgnoreCase("mq"))
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112 this.gaugeMwPos.put(gauge, this.wst.getQPosition(gaugeKm, mv.getValue().doubleValue()));
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113 else if (mv.getMainValue().getName().equalsIgnoreCase("mnq"))
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114 this.gaugeMnwPos.put(gauge, this.wst.getQPosition(gaugeKm, mv.getValue().doubleValue()));
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115 else if (mv.getMainValue().getName().equalsIgnoreCase("mhq"))
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116 this.gaugeMhwPos.put(gauge, this.wst.getQPosition(gaugeKm, mv.getValue().doubleValue()));
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117 }
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118 if (first) {
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119 this.refGaugeMwPos = this.gaugeMwPos.get(gauge);
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120 this.refGaugeMnwPos = this.gaugeMnwPos.get(gauge);
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121 this.refGaugeMhwPos = this.gaugeMhwPos.get(gauge);
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122 first = false;
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123 }
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124 }
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125 if (this.refGaugeMwPos == null)
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126 this.problems.addProblem("uinfo_salix_calc.warning.missing_mq");
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127 else {
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128 if (this.refGaugeMhwPos == null)
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129 this.problems.addProblem("uinfo_salix_calc.warning.missing_mhq");
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130 if (this.refGaugeMnwPos == null)
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131 this.problems.addProblem("uinfo_salix_calc.warning.missing_mnq");
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132 }
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133 }
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134
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135 /**
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136 * Create a result row for a station and its gauge, and add w-q-values as selected
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137 */
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138 private ResultRow createRow(final double station, final NavigableMap<Double, List<Double>> rangeScenarios) {
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139
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140 final ResultRow row = ResultRow.create();
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141 row.putValue(GeneralResultType.station, station);
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142 // Find station's gauge (obsolete version which calculates gauge-wise)
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143 // final Gauge gauge = this.riverInfoProvider.getGauge(station, true);
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144 // Interpolate mnw, mw, and mhw
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145 // final double mnw = interpolateW(station, this.gaugeMnwPos.get(gauge));
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146 // final double mw = interpolateW(station, this.gaugeMwPos.get(gauge));
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147 // final double mhw = interpolateW(station, this.gaugeMhwPos.get(gauge));
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148 final double mnw = interpolateW(station, this.refGaugeMnwPos);
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149 final double mw = interpolateW(station, this.refGaugeMwPos);
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150 final double mhw = interpolateW(station, this.refGaugeMhwPos);
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151 row.putValue(SInfoResultType.waterlevel, mnw);
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152 row.putValue(SInfoResultType.waterlevel1, mw);
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153 row.putValue(SInfoResultType.waterlevel2, mhw);
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154 // Calc salix-line and mw-mnw
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155 row.putValue(UInfoResultType.salixline, calcSalix(mhw, mw));
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156 row.putValue(UInfoResultType.salix_mw_mnw, calcMwmnw(mw, mnw));
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157 // Calc scenario values (always all scenario types set, Result variant extracts the fields needed)
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158 final List<SalixScenario> scenarios = new ArrayList<>();
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159 final List<Double> deltaws = getDeltaWs(station, rangeScenarios);
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160 for (final Double deltaw : deltaws) {
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161 if (deltaw != null) {
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162 final double salix = calcSalix(mhw, mw + deltaw);
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163 scenarios.add(new SalixScenario((int) (deltaw * 100), salix));
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164 }
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165 else {
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166 scenarios.add(null);
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167 }
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168 }
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169 row.putValue(UInfoResultType.customMultiRowColSalixScenarios, scenarios);
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170 return row;
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171 }
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172
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173 /**
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174 * Interpolates the W for a station with a fixed (virtual) wst column position
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175 */
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176 private double interpolateW(final double station, final QPosition qPosition) {
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177 if (qPosition != null)
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178 return this.wst.interpolateW(station, qPosition, this.problems);
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179 return Double.NaN;
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180 }
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181
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182 /**
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183 * Calculates the salix value
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184 */
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185 private double calcSalix(final double mhw, final double mw) {
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186 if (Double.isNaN(mw) || Double.isInfinite(mw) || Double.isNaN(mhw) || Double.isInfinite(mhw))
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187 return mw; // preserving NaN or Infinity
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188 return Formatter.roundW(mhw).subtract(SALIX_DISTANCE).subtract(Formatter.roundW(mw)).doubleValue();
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189 }
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190
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191 /**
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192 * Calculates the inverse MW-MNW difference
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193 */
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194 private double calcMwmnw(final double mw, final double mnw) {
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195 if (Double.isNaN(mw) || Double.isInfinite(mw) || Double.isNaN(mnw) || Double.isInfinite(mnw))
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196 return mnw - mw; // preserving NaN or Inifinity
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197 return Formatter.roundW(mnw).subtract(Formatter.roundW(mw)).doubleValue();
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198 }
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199
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200 /**
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201 * Gets the station-specific list of delta-ws of the active scenario, at least with one null item in any case
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202 */
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203 private List<Double> getDeltaWs(final double station, final NavigableMap<Double, List<Double>> rangeScenarios) {
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204 final Entry<Double, List<Double>> stationScenarios = rangeScenarios.floorEntry(station);
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205 if (stationScenarios != null) {
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206 return stationScenarios.getValue();
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207 }
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208 final List<Double> noScen = new ArrayList<>();
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209 noScen.add(null);
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210 return noScen;
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211 }
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212 }
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