Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WaterlevelFacet.java @ 4241:49cb65d5932d

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Improved the historical discharge calculation. The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is improved to support those facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:34:35 +0200
parents de6e2b933f33
children d65cf8e40230
rev   line source
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parents:
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1 package de.intevation.flys.artifacts.model;
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2
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3 import de.intevation.artifactdatabase.state.Facet;
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4 import de.intevation.artifacts.Artifact;
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5 import de.intevation.artifacts.CallContext;
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6 import de.intevation.flys.artifacts.FLYSArtifact;
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7 import de.intevation.flys.artifacts.math.Linear;
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8 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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9
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10 import org.apache.log4j.Logger;
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11
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12 /**
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13 * Facet of a Waterlevel (WQKms).
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14 */
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15 public class WaterlevelFacet extends DataFacet {
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16
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17 private static Logger logger = Logger.getLogger(WaterlevelFacet.class);
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18
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19 public WaterlevelFacet(int index, String name, String description) {
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20 super(index, name, description, ComputeType.ADVANCE, null, null);
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21 }
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22
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23 public WaterlevelFacet(
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24 int index,
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25 String name,
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26 String description,
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27 ComputeType type,
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28 String stateID,
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29 String hash
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30 ) {
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31 super(index, name, description, type, hash, stateID);
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32 }
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33
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34 public WaterlevelFacet() {
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35 }
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36
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37 protected WQKms [] getWQKms(CalculationResult res) {
1481322efc02 FixA: Removed instanceof hack to fetch the WQKms of the fix realizations.
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38 return (WQKms [])res.getData();
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39 }
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40
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41 /**
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42 * Get waterlevel data.
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43 * @return a WQKms at given index.
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44 */
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45 @Override
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46 public Object getData(Artifact artifact, CallContext context) {
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47
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48 if (logger.isDebugEnabled()) {
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49 logger.debug("Get data for waterlevels at index: " + index +
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50 " /stateId: " + stateId);
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51 }
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52
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53 if (artifact == null) {
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54 logger.error("WaterlevelFacet.getData: artifact is null");
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55 return null;
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56 }
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57
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58 FLYSArtifact winfo = (FLYSArtifact) artifact;
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59
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60 CalculationResult res = (CalculationResult)
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61 winfo.compute(context, hash, stateId, type, false);
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62
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63 if (res == null) {
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64 logger.error("WaterlevelFacet.getData: null result");
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65 return null;
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66 }
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67
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68 WQKms [] wqkms = getWQKms(res);
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69 Object KM = context.getContextValue("currentKm");
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70 if (KM != null) {
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71 logger.debug("interpolate at given km");
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72 // TODO handle exact match.
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73
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74 WQKms wqkmsI = wqkms[index];
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75 double km = (Double)KM;
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76
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77 // TODO employ DataUtils interface to TDoubleArraList
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78 int size = wqkmsI.size();
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79 boolean kmIncreasing = wqkmsI.getKm(0) < wqkmsI.getKm(size-1);
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80 int mod = kmIncreasing ? +1 : -1;
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81 int idx = 0;
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82 if (!kmIncreasing) {
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83 while (idx < size && wqkmsI.getKm(idx) < km) {
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84 idx++;
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85 }
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86 }
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87 else {
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88 idx = size-1;
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89 while (idx > 0 && wqkmsI.getKm(idx) > km) {
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90 idx--;
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91 }
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92 }
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93
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94 WQKms resultWQKms = new WQKms();
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95 if ((idx != -1) && (idx < size) && (idx - mod != -1) && (idx - mod < size)) {
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96 double inW = Linear.linear(
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97 km,
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98 wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod),
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99 wqkmsI.getW(idx), wqkmsI.getW(idx - mod));
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100 double inQ = Linear.linear(
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101 km,
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102 wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod),
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103 wqkmsI.getQ(idx), wqkmsI.getQ(idx - mod));
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104 resultWQKms.add(inW, inQ, km);
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105 }
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106
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107 return resultWQKms;
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108 }
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109
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110 return wqkms != null ? wqkms[index] : null;
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111 }
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112
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113
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114 /** Copy deeply. */
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115 @Override
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116 public Facet deepCopy() {
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117 WaterlevelFacet copy = new WaterlevelFacet();
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118 copy.set(this);
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119 copy.type = type;
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120 copy.hash = hash;
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121 copy.stateId = stateId;
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122 return copy;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
diff changeset
123 }
696
708b270dfd30 OutGenerators use now facets to fetch necessary data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
124 }
708b270dfd30 OutGenerators use now facets to fetch necessary data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
125 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org