Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/flowdepthdev/FlowDepthDevelopmentCalculation.java @ 8964:45f1ad66560e
Code cleanup concerning calculations: improved error handling; improved interpolation; bed heights are now always used for spatial discretisation
| author | gernotbelger |
|---|---|
| date | Thu, 29 Mar 2018 15:48:17 +0200 |
| parents | c40db8e8dcae |
| children | b5600453bb8f |
| rev | line source |
|---|---|
| 8951 | 1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
| 2 * Software engineering by | |
| 3 * Björnsen Beratende Ingenieure GmbH | |
| 4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt | |
| 5 * | |
| 6 * This file is Free Software under the GNU AGPL (>=v3) | |
| 7 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 8 * documentation coming with Dive4Elements River for details. | |
| 9 */ | |
| 10 package org.dive4elements.river.artifacts.sinfo.flowdepthdev; | |
| 11 | |
| 12 import java.util.ArrayList; | |
| 13 import java.util.Collection; | |
|
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14 import java.util.TreeSet; |
| 8951 | 15 |
| 16 import org.apache.commons.lang.math.DoubleRange; | |
| 17 import org.dive4elements.artifacts.CallContext; | |
| 18 import org.dive4elements.river.artifacts.model.Calculation; | |
| 19 import org.dive4elements.river.artifacts.model.CalculationResult; | |
| 20 import org.dive4elements.river.artifacts.model.WKms; | |
| 21 import org.dive4elements.river.artifacts.resources.Resources; | |
| 22 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact; | |
| 23 import org.dive4elements.river.artifacts.sinfo.common.RiverInfoProvider; | |
| 24 import org.dive4elements.river.artifacts.sinfo.common.SInfoResultRow; | |
| 25 import org.dive4elements.river.artifacts.sinfo.common.SInfoResultType; | |
| 26 import org.dive4elements.river.artifacts.sinfo.flowdepth.FlowDepthUtils; | |
| 27 import org.dive4elements.river.artifacts.sinfo.flowdepth.WstSoundingIdPair; | |
| 28 import org.dive4elements.river.artifacts.sinfo.tkhcalculation.WaterlevelValuesFinder; | |
| 29 import org.dive4elements.river.artifacts.sinfo.tkhstate.BedHeightsFinder; | |
| 30 import org.dive4elements.river.artifacts.sinfo.util.BedHeightInfo; | |
| 31 import org.dive4elements.river.artifacts.sinfo.util.CalculationUtils; | |
| 32 import org.dive4elements.river.artifacts.sinfo.util.RiverInfo; | |
| 33 import org.dive4elements.river.artifacts.sinfo.util.WstInfo; | |
| 34 import org.dive4elements.river.artifacts.states.WaterlevelData; | |
| 35 import org.dive4elements.river.artifacts.states.WaterlevelFetcher; | |
| 36 import org.dive4elements.river.model.River; | |
| 37 | |
| 38 /** | |
| 39 * @author Gernot Belger | |
| 40 */ | |
| 41 final class FlowDepthDevelopmentCalculation { | |
| 42 | |
| 43 private final CallContext context; | |
| 44 | |
| 45 public FlowDepthDevelopmentCalculation(final CallContext context) { | |
| 46 this.context = context; | |
| 47 } | |
| 48 | |
| 49 public CalculationResult calculate(final SINFOArtifact sinfo) { | |
| 50 | |
| 51 final String user = CalculationUtils.findArtifactUser(this.context, sinfo); | |
| 52 | |
| 53 /* access input data */ | |
| 54 final FlowDepthDevelopmentAccess access = new FlowDepthDevelopmentAccess(sinfo); | |
| 55 final River river = access.getRiver(); | |
| 56 final RiverInfo riverInfo = new RiverInfo(river); | |
| 57 | |
| 58 final WstSoundingIdPair currentPair = access.getCurrentPair(); | |
| 59 final WstSoundingIdPair histPair = access.getHistoricalPair(); | |
| 60 | |
| 61 final DoubleRange calcRange = access.getRange(); | |
| 62 | |
| 63 /* calculate results for each diff pair */ | |
| 64 final Calculation problems = new Calculation(); | |
| 65 | |
| 66 final RiverInfoProvider infoProvider = RiverInfoProvider.forRange(this.context, river, calcRange); | |
| 67 | |
| 68 final String calcModeLabel = Resources.getMsg(this.context.getMeta(), sinfo.getCalculationMode().name()); | |
| 69 | |
| 70 final FlowDepthDevelopmentCalculationResults results = new FlowDepthDevelopmentCalculationResults(calcModeLabel, user, riverInfo, calcRange); | |
| 71 | |
| 72 final FlowDepthDevelopmentCalculationResult result = calculateResult(calcRange, currentPair, histPair, problems, infoProvider); | |
| 73 if (result != null) | |
| 74 results.addResult(result); | |
| 75 | |
| 76 return new CalculationResult(results, problems); | |
| 77 } | |
| 78 | |
| 79 private FlowDepthDevelopmentCalculationResult calculateResult(final DoubleRange calcRange, final WstSoundingIdPair currentPair, | |
| 80 final WstSoundingIdPair histPair, final Calculation problems, final RiverInfoProvider infoProvider) { | |
| 81 | |
| 82 /* access real input data from database */ | |
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83 final WaterlevelData currentWaterlevel = loadWaterlevel(currentPair, calcRange, problems); |
| 8951 | 84 if (currentWaterlevel == null) |
| 85 return null; | |
| 86 | |
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87 final WaterlevelData historicalWaterlevel = loadWaterlevel(histPair, calcRange, problems); |
| 8951 | 88 if (historicalWaterlevel == null) |
| 89 return null; | |
| 90 | |
| 91 final BedHeightsFinder currentSounding = loadBedHeight(currentPair, calcRange, problems); | |
| 92 if (currentSounding == null) | |
| 93 return null; | |
| 94 | |
| 95 final BedHeightsFinder historicalSounding = loadBedHeight(histPair, calcRange, problems); | |
| 96 if (historicalSounding == null) | |
| 97 return null; | |
| 98 | |
| 99 // FIXME: check current/hist wst have same discharge... | |
| 100 | |
| 101 final BedHeightInfo currentSoundingInfo = currentSounding.getInfo(); | |
| 102 final BedHeightInfo historicalSoundingInfo = historicalSounding.getInfo(); | |
| 103 | |
| 104 // final String label = createLabel(waterlevel, minBedHeight, maxBedHeight); | |
| 105 | |
| 106 // final WKms wstKms = waterlevel.getWkms(); | |
| 107 final int currentWstYear = currentWaterlevel.getYear(); | |
| 108 final int historicalWstYear = historicalWaterlevel.getYear(); | |
| 109 final int currentSoundingYear = currentSoundingInfo.getYear(); | |
| 110 final int historicalSoundingYear = historicalSoundingInfo.getYear(); | |
| 111 | |
| 112 // FIXME: distinguish error messages | |
| 113 FlowDepthUtils.checkYearDifference("", currentWstYear, currentSoundingYear, problems); | |
| 114 FlowDepthUtils.checkYearDifference("", historicalWstYear, historicalSoundingYear, problems); | |
| 115 | |
| 116 /* re-determine the reference gauge, in the same way as the WaterlevelArtifact would do it */ | |
| 117 final RiverInfoProvider currentRiverInfoProvider = infoProvider.forWaterlevel(currentWaterlevel); | |
| 118 final RiverInfoProvider histRiverInfoProvider = infoProvider.forWaterlevel(historicalWaterlevel); | |
| 119 | |
| 120 final WstInfo currentWstInfo = new WstInfo(currentWaterlevel.getName(), currentWstYear, currentRiverInfoProvider.getReferenceGauge()); | |
| 121 final WstInfo historicalWstInfo = new WstInfo(historicalWaterlevel.getName(), historicalWstYear, histRiverInfoProvider.getReferenceGauge()); | |
| 122 | |
| 123 final WKms currentWkms = currentWaterlevel.getWkms(); | |
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124 final WaterlevelValuesFinder currentWstProvider = WaterlevelValuesFinder.fromKms(problems, currentWkms); |
| 8951 | 125 |
| 126 final WKms historicalWkms = historicalWaterlevel.getWkms(); | |
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127 final WaterlevelValuesFinder historicalWstProvider = WaterlevelValuesFinder.fromKms(problems, historicalWkms); |
| 8951 | 128 |
| 129 final int currentMeanYear = (currentWstYear + currentSoundingYear) / 2; | |
| 130 final int historcialMeanYear = (historicalWstYear + historicalSoundingYear) / 2; | |
| 131 | |
| 132 final double diffYear = currentMeanYear - historcialMeanYear; | |
| 133 | |
| 134 /* real calculation loop */ | |
| 135 final Collection<SInfoResultRow> rows = new ArrayList<>(); | |
| 136 | |
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137 final Collection<Double> stations = determineCalculationSteps(currentSounding, historicalSounding); |
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138 for (final double station : stations) { |
| 8951 | 139 if (calcRange.containsDouble(station)) { |
| 140 | |
| 141 final double currentWst = currentWstProvider.getWaterlevel(station); | |
| 142 final double currentBedHeight = currentSounding.getMeanBedHeight(station); | |
| 143 | |
| 144 final double historicalWst = historicalWstProvider.getWaterlevel(station); | |
| 145 final double historicalBedHeight = historicalSounding.getMeanBedHeight(station); | |
| 146 | |
| 147 final double diffWst = (currentWst - historicalWst) * 100; | |
| 148 final double diffBedHeight = (currentBedHeight - historicalBedHeight) * 100; | |
| 149 | |
| 150 final double flowDepthDevelopment = diffWst - diffBedHeight; | |
| 151 | |
| 152 final double flowDepthDevelopmentPerYear = flowDepthDevelopment / diffYear; | |
| 153 | |
| 154 final double currentFlowDepth = currentWst - currentBedHeight; | |
| 155 final double historicalFlowDepth = historicalWst - historicalBedHeight; | |
| 156 | |
| 157 // REMARK: access the location once only during calculation | |
| 158 final String location = currentRiverInfoProvider.getLocation(station); | |
| 159 | |
| 160 final SInfoResultRow row = SInfoResultRow.create().// | |
| 161 putValue(SInfoResultType.station, station). // | |
| 162 putValue(SInfoResultType.flowdepthDevelopment, flowDepthDevelopment). // | |
| 163 putValue(SInfoResultType.flowdepthDevelopmentPerYear, flowDepthDevelopmentPerYear). // | |
| 164 putValue(SInfoResultType.waterlevelDifference, diffWst). // | |
| 165 putValue(SInfoResultType.bedHeightDifference, diffBedHeight). // | |
| 166 putValue(SInfoResultType.flowdepthCurrent, currentFlowDepth). // | |
| 167 putValue(SInfoResultType.flowdepthHistorical, historicalFlowDepth). // | |
| 168 putValue(SInfoResultType.location, location); | |
| 169 rows.add(row); | |
| 170 } | |
| 171 } | |
| 172 | |
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173 final String label = buildLabel(currentWaterlevel, currentSoundingInfo, historicalWaterlevel, historicalSoundingInfo); |
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174 |
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175 return new FlowDepthDevelopmentCalculationResult(label, currentWstInfo, historicalWstInfo, currentSoundingInfo, historicalSoundingInfo, |
| 8951 | 176 rows); |
| 177 } | |
| 178 | |
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179 /** |
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180 * Calculation steps are simply the union of all stations of all involved bed-height datasets |
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181 */ |
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182 private Collection<Double> determineCalculationSteps(final BedHeightsFinder currentSounding, final BedHeightsFinder historicalSounding) { |
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183 |
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184 final Collection<Double> allStations = new TreeSet<>(); |
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185 |
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186 allStations.addAll(currentSounding.getStations()); |
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187 allStations.addAll(historicalSounding.getStations()); |
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188 |
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189 return allStations; |
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190 } |
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191 |
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192 private String buildLabel(final WaterlevelData currentWaterlevel, final BedHeightInfo currentSounding, final WaterlevelData historicalWaterlevel, |
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193 final BedHeightInfo historicalSounding) { |
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194 |
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195 return new StringBuilder(). // |
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196 append(currentWaterlevel.getName()). // |
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197 append('/'). // |
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198 append(historicalWaterlevel.getName()). // |
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199 append(" - "). // |
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200 append(currentSounding.getDescription()). // |
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201 append('/'). // |
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202 append(historicalSounding.getDescription()). // |
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203 toString(); |
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204 } |
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205 |
| 8951 | 206 /* REMARK: fetch ALL wst kms, because we need to determine the original reference gauge */ |
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207 private WaterlevelData loadWaterlevel(final WstSoundingIdPair pair, final DoubleRange calcRange, final Calculation problems) { |
| 8951 | 208 final String wstId = pair.getWstId(); |
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209 return new WaterlevelFetcher().findWaterlevel(this.context, wstId, calcRange, problems); |
| 8951 | 210 } |
| 211 | |
| 212 private BedHeightsFinder loadBedHeight(final WstSoundingIdPair pair, final DoubleRange calcRange, final Calculation problems) { | |
| 213 final String soundingId = pair.getSoundingId(); | |
| 214 return BedHeightsFinder.forId(this.context, soundingId, calcRange, problems); | |
| 215 } | |
| 216 } |