Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/fixings/FixDerivateFacet.java @ 3086:ba7df29264cd

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Removed superfluous import. flys-artifacts/trunk@4683 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 18 Jun 2012 08:55:51 +0000
parents 26119b7b3154
children 960307cf2adc
rev   line source
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
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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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ba7df29264cd Removed superfluous import.
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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
ba7df29264cd Removed superfluous import.
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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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ba7df29264cd Removed superfluous import.
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19 import org.apache.log4j.Logger;
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20
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21
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Raimund Renkert <raimund.renkert@intevation.de>
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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 private double currentKm;
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35 private double maxQ;
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36
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37 /** Trivial Constructor. */
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38 public FixDerivateFacet() {
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39 }
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40
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41
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42 /**
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43 * @param name
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44 */
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45 public FixDerivateFacet(String name, String description) {
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46 super(0, name, description, ComputeType.ADVANCE, null, null);
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47 }
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48
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49
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50 public Object getData(Artifact artifact, CallContext context, double km) {
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51 this.currentKm = km;
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52 return getData(artifact, context);
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53 }
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54
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55
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56 /**
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57 * Returns the data this facet requires.
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58 *
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59 * @param artifact the owner artifact.
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60 * @param context the CallContext (ignored).
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61 *
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62 * @return the data.
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63 */
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64 @Override
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65 public Object getData(Artifact artifact, CallContext context) {
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66 logger.debug("FixDerivateFacet.getData");
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67 if (artifact instanceof FLYSArtifact) {
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68 FLYSArtifact flys = (FLYSArtifact)artifact;
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69 FixationArtifactAccess access = new FixationArtifactAccess(flys);
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70
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71 CalculationResult res =
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72 (CalculationResult) flys.compute(context,
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73 ComputeType.ADVANCE,
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74 false);
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75
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76 FixResult result = (FixResult) res.getData();
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77
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78 String function = access.getFunction();
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79 Function ff = FunctionFactory.getInstance().getFunction(function);
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80 Function.Derivative fd = ff.getDerivative();
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81
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82 Parameters params = result.getParameters();
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83
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84 // Determine maxQ
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85 double[] maxQs = params
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86 .interpolate("km", this.currentKm, new String [] { "max_q" });
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87 if(maxQs != null) {
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88 maxQ = maxQs[0];
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89 }
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90
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91 int row = params.binarySearch("km", currentKm, Math.pow(10, -4));
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92 if(row < 0) {
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93 row = -row - 1;
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94 logger.debug("getData: no direct hit in params.binarySearch");
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95 }
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96 String[] paramNames = ff.getParameterNames();
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97 int[] paramInd = params.columnIndices(paramNames);
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98 double[] coeffs = new double[paramNames.length];
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99 params.get(row, paramInd, coeffs);
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100
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101 de.intevation.flys.artifacts.math.Function mf =
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102 fd.instantiate(coeffs);
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103
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104 double maxQ = getMaxQ(result, currentKm);
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105
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106 FixFunction fix = new FixFunction(
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107 "",
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108 ff.getDescription(),
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109 mf,
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110 maxQ);
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111
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112 return fix;
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113 }
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114 else {
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115 logger.debug("Not an instance of FixationArtifact.");
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116 return null;
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117 }
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118 }
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119
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120
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121 protected double getMaxQ(FixResult result, double km) {
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122 return maxQ;
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123 }
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124
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125 /**
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126 * Create a deep copy of this Facet.
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127 * @return a deep copy.
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128 */
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129 @Override
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130 public FixDerivateFacet deepCopy() {
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131 FixDerivateFacet copy = new FixDerivateFacet();
22da13d1b180 Added facet for derivate curve and fixed facet names.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
132 copy.set(this);
22da13d1b180 Added facet for derivate curve and fixed facet names.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
133 return copy;
22da13d1b180 Added facet for derivate curve and fixed facet names.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
134 }
22da13d1b180 Added facet for derivate curve and fixed facet names.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
135 }
22da13d1b180 Added facet for derivate curve and fixed facet names.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
136 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org