Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/GaugeDischargeCurveFacet.java @ 7015:a9ff696c2d18
Fixed misuse of x !=/== Double.NaN
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Fri, 13 Sep 2013 17:42:09 +0200 |
parents | 20a32dbdbb59 |
children | 8578babdb2c8 |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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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.DefaultFacet; |
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18 import org.dive4elements.artifactdatabase.state.Facet; |
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19 |
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20 import org.dive4elements.river.artifacts.D4EArtifact; |
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21 |
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22 import org.dive4elements.river.model.Gauge; |
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23 |
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24 import org.dive4elements.river.utils.RiverUtils; |
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25 |
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26 import org.apache.log4j.Logger; |
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27 |
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28 /** |
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29 * A Facet that returns discharge curve data at a gauge |
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30 * |
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31 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> |
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32 */ |
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33 public class GaugeDischargeCurveFacet |
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34 extends DefaultFacet |
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35 implements FacetTypes |
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36 { |
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37 private static final Logger log = |
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38 Logger.getLogger(GaugeDischargeCurveFacet.class); |
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39 |
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40 public GaugeDischargeCurveFacet(String name, String description) { |
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41 super(0, name, description); |
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42 } |
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43 |
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44 @Override |
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45 public Object getData(Artifact art, CallContext context) { |
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46 return getWQKms(art, context); |
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47 } |
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48 |
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49 protected WQKms getWQKms(Artifact art, CallContext context) { |
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50 if (!(art instanceof D4EArtifact)) { |
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51 log.warn("Invalid artifact type"); |
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52 return null; |
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53 } |
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54 |
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55 D4EArtifact flys = (D4EArtifact)art; |
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56 |
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57 String river = flys.getDataAsString("river"); |
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58 |
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59 Gauge gauge = RiverUtils.getReferenceGauge(flys); |
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60 |
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61 if (river == null || gauge == null) { |
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62 log.warn("Unknown river or gauge"); |
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63 return null; |
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64 } |
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65 |
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66 String name = gauge.getName(); |
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67 |
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68 DischargeTables dt = new DischargeTables(river, name); |
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69 |
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70 Map<String, double [][]> map = dt.getValues(); |
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71 |
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72 double [][] values = map.get(name); |
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73 if (values == null) { |
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74 return null; |
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75 } |
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76 double [] kms = new double[values[0].length]; |
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77 Arrays.fill(kms, gauge.getStation().doubleValue()); |
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78 return new WQKms(kms, values[0], values[1], name, WQKms.CENTIMETER_AT_GAUGE); |
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79 } |
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80 |
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81 @Override |
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82 public Facet deepCopy() { |
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83 GaugeDischargeCurveFacet copy = new GaugeDischargeCurveFacet( |
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84 this.name, |
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85 this.description); |
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86 copy.set(this); |
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87 return copy; |
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88 } |
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89 } |