Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WaterlevelFacet.java @ 3596:6aea625190da

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Handle former W calculations in fixA W/Q out. flys-artifacts/trunk@5218 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 16 Aug 2012 09:49:21 +0000
parents 1481322efc02
children deeda39ef01b
rev   line source
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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
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5 import de.intevation.artifacts.Artifact;
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6 import de.intevation.artifacts.CallContext;
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7
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8 import de.intevation.flys.artifacts.FLYSArtifact;
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10 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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11 import de.intevation.flys.artifacts.math.Linear;
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13 import org.apache.log4j.Logger;
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15 /**
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16 * Facet of a Waterlevel (WQKms).
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17 */
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18 public class WaterlevelFacet extends DataFacet {
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19
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20 private static Logger logger = Logger.getLogger(WaterlevelFacet.class);
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21
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22 public WaterlevelFacet(int index, String name, String description) {
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23 super(index, name, description, ComputeType.ADVANCE, null, null);
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24 }
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25
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26 public WaterlevelFacet(
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27 int index,
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28 String name,
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29 String description,
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30 ComputeType type,
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31 String stateID,
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32 String hash
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33 ) {
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34 super(index, name, description, type, hash, stateID);
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35 }
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36
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37 public WaterlevelFacet() {
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38 }
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39
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40 protected WQKms [] getWQKms(CalculationResult res) {
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41 return (WQKms [])res.getData();
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42 }
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43
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44 /**
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45 * Get waterlevel data.
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46 * @return a WQKms at given index.
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47 */
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48 public Object getData(Artifact artifact, CallContext context) {
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49
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50 if (logger.isDebugEnabled()) {
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51 logger.debug("Get data for waterlevels at index: " + index +
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52 " /stateId: " + stateId);
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53 }
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54
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55 FLYSArtifact winfo = (FLYSArtifact) artifact;
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56
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57 CalculationResult res = (CalculationResult)
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58 winfo.compute(context, hash, stateId, type, false);
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59
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60 if (res == null) {
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61 logger.error("WaterlevelFacet.getData: null result");
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62 return null;
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63 }
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64
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65 if (winfo == null) {
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66 logger.error("WaterlevelFacet.getData: artifact is null");
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67 return null;
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68 }
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69
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70 WQKms [] wqkms = getWQKms(res);
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71 if (context.getContextValue("currentKm") != null) {
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72 logger.debug("interpolate at given km");
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73 // TODO handle exact match.
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74
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75 WQKms wqkmsI = wqkms[index];
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76 double km = ((Double)context.getContextValue("currentKm")).doubleValue();
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77
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78 // TODO employ DataUtils interface to TDoubleArraList
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79 int size = wqkmsI.size();
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80 boolean kmIncreasing = (wqkmsI.getKm(0) < wqkmsI.getKm(wqkmsI.size()-1))
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81 ? true : false;
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82 int mod = kmIncreasing ? +1 : -1;
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83 int idx = 0;
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84 if (!kmIncreasing) {
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85 while (idx < size && wqkmsI.getKm(idx) < km) {
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86 idx++;
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87 }
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88 }
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89 else {
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90 idx = size-1;
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91 while (idx > 0 && wqkmsI.getKm(idx) > km) {
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92 idx--;
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93 }
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94 }
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95 WQKms resultWQKms = new WQKms();
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96 if (idx != -1 && idx < size) {
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97 double inW = Linear.linear(km, wqkmsI.getKm(idx), wqkmsI.getKm(idx-mod), wqkmsI.getW(idx), wqkmsI.getW(idx-mod));
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98 double inQ = Linear.linear(km, wqkmsI.getKm(idx),wqkmsI.getKm(idx-mod), wqkmsI.getQ(idx), wqkmsI.getQ(idx-mod));
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99 resultWQKms.add(inW, inQ, km);
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100 }
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101 return resultWQKms;
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102 }
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103
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104 return wqkms != null ? wqkms[index] : null;
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105 }
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106
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107
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108 /** Copy deeply. */
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109 @Override
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110 public Facet deepCopy() {
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111 WaterlevelFacet copy = new WaterlevelFacet();
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112 copy.set(this);
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113 copy.type = type;
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114 copy.hash = hash;
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115 copy.stateId = stateId;
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116 return copy;
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117 }
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118 }
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119 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org