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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/fixings/FixDerivateFacet.java @ 3081:26119b7b3154

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Fixing output generator hacking flys-artifacts/trunk@4677 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Christian Lins <christian.lins@intevation.de>
date Sun, 17 Jun 2012 20:45:01 +0000
parents dc2765e31e1f
children ba7df29264cd
rev   line source
3043
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1 package de.intevation.flys.artifacts.model.fixings;
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2
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3 import org.apache.log4j.Logger;
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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.utils.KMIndex;
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9
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10 import de.intevation.flys.artifacts.FLYSArtifact;
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11 import de.intevation.flys.artifacts.FixationArtifactAccess;
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12
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13 import de.intevation.flys.artifacts.model.FacetTypes;
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14 import de.intevation.flys.artifacts.model.DataFacet;
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15 import de.intevation.flys.artifacts.model.CalculationResult;
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16 import de.intevation.flys.artifacts.model.Parameters;
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17
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18 import de.intevation.flys.artifacts.math.fitting.FunctionFactory;
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19 import de.intevation.flys.artifacts.math.fitting.Function;
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20
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21 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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22
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23
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24 /**
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25 * Facet to show the W|Q values.
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26 *
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27 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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28 */
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29 public class FixDerivateFacet
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30 extends DataFacet
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31 implements FacetTypes {
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32
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33 /** House logger. */
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34 private static Logger logger = Logger.getLogger(FixDerivateFacet.class);
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35
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36 private double currentKm;
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37 private double maxQ;
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38
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39 /** Trivial Constructor. */
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40 public FixDerivateFacet() {
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41 }
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42
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43
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44 /**
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45 * @param name
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46 */
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47 public FixDerivateFacet(String name, String description) {
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48 super(0, 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 public Object getData(Artifact artifact, CallContext context, double km) {
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53 this.currentKm = km;
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54 return getData(artifact, context);
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55 }
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56
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57
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58 /**
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59 * Returns the data this facet requires.
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60 *
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61 * @param artifact the owner artifact.
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62 * @param context the CallContext (ignored).
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63 *
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64 * @return the data.
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65 */
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66 @Override
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67 public Object getData(Artifact artifact, CallContext context) {
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68 logger.debug("FixDerivateFacet.getData");
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69 if (artifact instanceof FLYSArtifact) {
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70 FLYSArtifact flys = (FLYSArtifact)artifact;
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71 FixationArtifactAccess access = new FixationArtifactAccess(flys);
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72
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73 CalculationResult res =
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74 (CalculationResult) flys.compute(context,
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75 ComputeType.ADVANCE,
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76 false);
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77
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78 FixResult result = (FixResult) res.getData();
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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
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86 // Determine maxQ
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87 double[] maxQs = params
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88 .interpolate("km", this.currentKm, new String [] { "max_q" });
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89 if(maxQs != null) {
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90 maxQ = maxQs[0];
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91 }
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92
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93 int row = params.binarySearch("km", currentKm, Math.pow(10, -4));
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94 if(row < 0) {
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95 row = -row - 1;
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96 logger.debug("getData: no direct hit in params.binarySearch");
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97 }
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98 String[] paramNames = ff.getParameterNames();
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99 int[] paramInd = params.columnIndices(paramNames);
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100 double[] coeffs = new double[paramNames.length];
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101 params.get(row, paramInd, coeffs);
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102
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103 de.intevation.flys.artifacts.math.Function mf =
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104 fd.instantiate(coeffs);
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105
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106 double maxQ = getMaxQ(result, currentKm);
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107
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108 FixFunction fix = new FixFunction(
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109 "",
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110 ff.getDescription(),
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111 mf,
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112 maxQ);
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113
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114 return fix;
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115 }
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116 else {
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117 logger.debug("Not an instance of FixationArtifact.");
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118 return null;
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119 }
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120 }
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121
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122
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123 protected double getMaxQ(FixResult result, double km) {
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124 return maxQ;
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125 }
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126
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127 /**
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128 * Create a deep copy of this Facet.
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129 * @return a deep copy.
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130 */
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131 @Override
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132 public FixDerivateFacet deepCopy() {
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Raimund Renkert <raimund.renkert@intevation.de>
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133 FixDerivateFacet copy = new FixDerivateFacet();
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Raimund Renkert <raimund.renkert@intevation.de>
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134 copy.set(this);
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Raimund Renkert <raimund.renkert@intevation.de>
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135 return copy;
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Raimund Renkert <raimund.renkert@intevation.de>
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136 }
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Raimund Renkert <raimund.renkert@intevation.de>
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137 }
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Raimund Renkert <raimund.renkert@intevation.de>
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138 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org