Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/GaugeDischargeCurveFacet.java @ 8326:10917ec29625

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Inject current km and pnp into the context used to calculate W in cm at gauge.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 25 Sep 2014 17:23:12 +0200
parents d4c501d2c098
children 1c732c88a2d6
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import java.util.Arrays;
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12 import java.util.Map;
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13
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14 import org.dive4elements.artifacts.Artifact;
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15 import org.dive4elements.artifacts.CallContext;
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16
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17 import org.dive4elements.artifactdatabase.state.Facet;
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18
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19 import org.dive4elements.river.artifacts.D4EArtifact;
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20
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21 import org.dive4elements.river.model.Gauge;
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22
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23 import org.dive4elements.river.utils.RiverUtils;
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24
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25 import org.apache.log4j.Logger;
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26
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27 import static org.dive4elements.river.exports.injector.InjectorConstants.PNP;
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28
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29 /**
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30 * A Facet that returns discharge curve data at a gauge
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31 *
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32 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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33 */
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34 public class GaugeDischargeCurveFacet
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35 extends DataFacet
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36 implements FacetTypes
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37 {
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38 private static final Logger log =
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39 Logger.getLogger(GaugeDischargeCurveFacet.class);
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40
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41 public GaugeDischargeCurveFacet() {
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42 }
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43
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44 public GaugeDischargeCurveFacet(String name, String description) {
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45 super(name, description);
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46 }
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47
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48 @Override
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49 public Object getData(Artifact art, CallContext context) {
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50 return getWQKms(art, context);
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51 }
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52
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53 protected WQKms getWQKms(Artifact art, CallContext context) {
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54 if (!(art instanceof D4EArtifact)) {
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55 log.warn("Invalid artifact type");
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56 return null;
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57 }
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58
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59 D4EArtifact flys = (D4EArtifact)art;
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60
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61 String river = flys.getDataAsString("river");
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62
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63 Gauge gauge = RiverUtils.getReferenceGauge(flys);
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64
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65 if (river == null || gauge == null) {
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66 log.warn("Unknown river or gauge");
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67 return null;
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68 }
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69
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70 String name = gauge.getName();
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71
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72 DischargeTables dt = new DischargeTables(river, name);
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73
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74 Map<String, double [][]> map = dt.getValues();
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75
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76 double [][] values = map.get(name);
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77 if (values == null) {
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78 return null;
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79 }
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80 double [] kms = new double[values[0].length];
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81 Arrays.fill(kms, gauge.getStation().doubleValue());
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82
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83 Object pnpObject = context.getContextValue(PNP);
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84 if (!(pnpObject instanceof Number)) {
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85 return new WQKms(kms, values[0], values[1], name, W.CENTIMETER_AT_GAUGE);
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86 }
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87 double pnp = Double.valueOf(pnpObject.toString());
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88 double[] ws = transformToM(values[1], pnp);
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89
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90 return new WQKms(kms, values[0], ws, name);
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91 }
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92
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93 private double[] transformToM(double[] ws, double pnp) {
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94 double[] retVals = new double[ws.length];
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95 for (int i = 0; i < ws.length; i++) {
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96 retVals[i] = ws[i]/100 + pnp;
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97 }
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98 return retVals;
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99 }
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100
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101 @Override
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102 public Facet deepCopy() {
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103 GaugeDischargeCurveFacet copy = new GaugeDischargeCurveFacet(
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104 this.name,
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105 this.description);
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106 copy.set(this);
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107 return copy;
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108 }
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109 }
http://dive4elements.wald.intevation.org