Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/fixings/FixDerivateFacet.java @ 3136:f12a8ed8d973
FixA: Fixed stupid i/j switch bug.
flys-artifacts/trunk@4744 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 21 Jun 2012 13:48:26 +0000 |
parents | 179e38aa678d |
children | cd309f8597f6 |
rev | line source |
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1 package de.intevation.flys.artifacts.model.fixings; |
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2 |
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3 import de.intevation.artifacts.Artifact; |
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4 import de.intevation.artifacts.CallContext; |
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5 |
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6 import de.intevation.flys.artifacts.FLYSArtifact; |
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7 import de.intevation.flys.artifacts.FixationArtifactAccess; |
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8 |
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9 import de.intevation.flys.artifacts.math.fitting.Function; |
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10 import de.intevation.flys.artifacts.math.fitting.FunctionFactory; |
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11 |
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12 import de.intevation.flys.artifacts.model.CalculationResult; |
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13 import de.intevation.flys.artifacts.model.DataFacet; |
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14 import de.intevation.flys.artifacts.model.FacetTypes; |
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15 import de.intevation.flys.artifacts.model.Parameters; |
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16 |
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17 import de.intevation.flys.artifacts.states.DefaultState.ComputeType; |
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18 |
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19 import org.apache.log4j.Logger; |
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20 |
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21 |
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22 /** |
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23 * Facet to show the W|Q values. |
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24 * |
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25 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> |
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26 */ |
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27 public class FixDerivateFacet |
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28 extends DataFacet |
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29 implements FacetTypes { |
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30 |
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31 /** House logger. */ |
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32 private static Logger logger = Logger.getLogger(FixDerivateFacet.class); |
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33 |
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34 |
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35 /** Trivial Constructor. */ |
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36 public FixDerivateFacet() { |
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37 } |
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38 |
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39 |
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40 /** |
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41 * @param name |
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42 */ |
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43 public FixDerivateFacet(String name, String description) { |
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44 super(0, name, description, ComputeType.ADVANCE, null, null); |
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45 } |
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46 |
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47 |
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48 /** |
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49 * Returns the data this facet requires. |
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50 * |
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51 * @param artifact the owner artifact. |
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52 * @param context the CallContext (ignored). |
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53 * |
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54 * @return the data. |
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55 */ |
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56 @Override |
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57 public Object getData(Artifact artifact, CallContext context) { |
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58 logger.debug("FixDerivateFacet.getData"); |
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59 if (artifact instanceof FLYSArtifact) { |
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60 FLYSArtifact flys = (FLYSArtifact)artifact; |
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61 FixationArtifactAccess access = new FixationArtifactAccess(flys); |
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62 |
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63 CalculationResult res = |
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64 (CalculationResult) flys.compute(context, |
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65 ComputeType.ADVANCE, |
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66 false); |
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67 |
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68 FixResult result = (FixResult) res.getData(); |
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69 double currentKm = |
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70 ((Double)context.getContextValue("currentKm")).doubleValue(); |
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71 |
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72 String function = access.getFunction(); |
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73 Function ff = FunctionFactory.getInstance().getFunction(function); |
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74 Function.Derivative fd = ff.getDerivative(); |
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75 |
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76 Parameters params = result.getParameters(); |
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77 double maxQ = FixFacetUtils.getMaxQ(params, currentKm); |
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78 |
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79 String[] paramNames = ff.getParameterNames(); |
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80 |
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81 double[] coeffs = params.interpolate("km", currentKm, paramNames); |
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82 if(coeffs == null) { |
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83 logger.warn("getData: coeffs == null"); |
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84 return null; |
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85 } |
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86 |
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87 de.intevation.flys.artifacts.math.Function mf = |
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88 fd.instantiate(coeffs); |
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89 |
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90 FixFunction fix = new FixFunction( |
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91 "", |
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92 ff.getDescription(), |
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93 mf, |
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94 maxQ); |
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95 |
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96 return fix; |
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97 } |
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98 else { |
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99 logger.debug("Not an instance of FixationArtifact."); |
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100 return null; |
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101 } |
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102 } |
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103 |
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104 |
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105 /** |
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106 * Create a deep copy of this Facet. |
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107 * @return a deep copy. |
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108 */ |
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109 @Override |
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110 public FixDerivateFacet deepCopy() { |
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111 FixDerivateFacet copy = new FixDerivateFacet(); |
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112 copy.set(this); |
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113 return copy; |
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114 } |
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115 } |
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116 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |