Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixDerivateFacet.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixDerivateFacet.java@bd047b71ab37
children 4897a58c8746
rev   line source
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1 package org.dive4elements.river.artifacts.model.fixings;
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2
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3 import org.dive4elements.artifacts.Artifact;
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4 import org.dive4elements.artifacts.CallContext;
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5
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6 import org.dive4elements.river.artifacts.FLYSArtifact;
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7
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8 import org.dive4elements.river.artifacts.access.FixAnalysisAccess;
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9
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10 import org.dive4elements.river.artifacts.math.fitting.Function;
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11 import org.dive4elements.river.artifacts.math.fitting.FunctionFactory;
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12
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13 import org.dive4elements.river.artifacts.model.CalculationResult;
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14 import org.dive4elements.river.artifacts.model.FacetTypes;
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15 import org.dive4elements.river.artifacts.model.Parameters;
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16
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17 import org.dive4elements.river.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 FixingsFacet
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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 public FixDerivateFacet(int index, String name, String description) {
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48 super(index, name, description, ComputeType.ADVANCE, null, null);
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49 }
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50
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51
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52 /**
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53 * Returns the data this facet requires.
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54 *
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55 * @param artifact the owner artifact.
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56 * @param context the CallContext (ignored).
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57 *
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58 * @return the data.
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59 */
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60 @Override
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61 public Object getData(Artifact artifact, CallContext context) {
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62
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63 logger.debug("FixDerivateFacet.getData");
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64 if (!(artifact instanceof FLYSArtifact)) {
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65 logger.debug("Not an instance of FixationArtifact.");
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66 return null;
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67 }
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68
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69 FLYSArtifact flys = (FLYSArtifact)artifact;
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70 FixAnalysisAccess access = new FixAnalysisAccess(flys, context);
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71
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72 CalculationResult res =
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73 (CalculationResult) flys.compute(context,
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74 ComputeType.ADVANCE,
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75 false);
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76
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77 FixAnalysisResult result = (FixAnalysisResult) res.getData();
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78 double currentKm = getCurrentKm(context);
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79
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80 String function = access.getFunction();
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81 Function ff = FunctionFactory.getInstance().getFunction(function);
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82 Function.Derivative fd = ff.getDerivative();
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83
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84 Parameters params = result.getParameters();
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85 double maxQ = FixFacetUtils.getMaxQ(params, currentKm);
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86
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87 String[] paramNames = ff.getParameterNames();
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88
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89 double[] coeffs = params.interpolate("km", currentKm, paramNames);
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90 if (coeffs == null) {
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91 logger.warn("getData: coeffs == null");
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92 return null;
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93 }
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94
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95 org.dive4elements.river.artifacts.math.Function mf =
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96 fd.instantiate(coeffs);
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97
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98 FixFunction fix = new FixFunction(
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99 "",
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100 fd.getDescription(),
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101 mf,
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102 maxQ);
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103
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104 return fix;
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105 }
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106
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107
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108 /**
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109 * Create a deep copy of this Facet.
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110 * @return a deep copy.
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111 */
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112 @Override
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113 public FixDerivateFacet deepCopy() {
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114 FixDerivateFacet copy = new FixDerivateFacet();
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115 copy.set(this);
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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