Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/fixings/FixWQCurveFacet.java @ 3074:6502b17931b9

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FixA: W/Q facet code cleanup. flys-artifacts/trunk@4665 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 14 Jun 2012 14:09:02 +0000
parents 0ace00c0c12a
children dc2765e31e1f
rev   line source
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Raimund Renkert <raimund.renkert@intevation.de>
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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 * Facet to show the W|Q values.
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23 *
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24 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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25 */
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26 public class FixWQCurveFacet
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27 extends DataFacet
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28 implements FacetTypes {
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29
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30 /** House logger. */
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31 private static Logger logger = Logger.getLogger(FixWQCurveFacet.class);
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32
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33 /** Trivial Constructor. */
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34 public FixWQCurveFacet() {
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35 }
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36
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37
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38 /**
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39 * @param name
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40 */
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41 public FixWQCurveFacet(String description) {
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42 super(0, FIX_WQ_CURVE, description, ComputeType.ADVANCE, null, null);
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43 }
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44
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45
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46 /**
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47 * Returns the data this facet requires.
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48 *
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49 * @param artifact the owner artifact.
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50 * @param context the CallContext (ignored).
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51 *
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52 * @return the data.
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53 */
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54 @Override
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55 public Object getData(Artifact artifact, CallContext context) {
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56 logger.debug("FixWQCurveFacet.getData");
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57 if (artifact instanceof FLYSArtifact) {
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58 FLYSArtifact flys = (FLYSArtifact)artifact;
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59 FixationArtifactAccess access = new FixationArtifactAccess(flys);
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60
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61 CalculationResult res =
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62 (CalculationResult) flys.compute(context,
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63 ComputeType.ADVANCE,
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64 false);
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65
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66 FixResult result = (FixResult) res.getData();
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67
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68 double km = access.getCurrentKm();
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69 logger.debug("FixWQCurveFacet.getData: km = " + km);
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70
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71 String function = access.getFunction();
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72 Function ff = FunctionFactory.getInstance().getFunction(function);
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73
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74 if (ff == null) {
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75 return null;
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76 }
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77
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78 Parameters params = result.getParameters();
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79 String[] paramNames = ff.getParameterNames();
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80
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81 double [] coeffs = params.interpolate("km", km, paramNames);
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82
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83 if (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 ff.instantiate(coeffs);
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89
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90 double maxQ = getMaxQ(params, km);
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91
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92 logger.debug("getData: maxQ = " + maxQ);
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93
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94 FixFunction fix = new FixFunction(
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95 ff.getName(),
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96 ff.getDescription(),
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97 mf,
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98 maxQ);
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99
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100 return fix;
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101 }
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102 else {
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103 logger.debug("Not an instance of FixationArtifact.");
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104 return null;
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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 public static double getMaxQ(Parameters params, double km) {
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110 double [] maxQ = params.interpolate("km", km, new String[] { "max_q" });
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111 if (maxQ == null) {
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112 return 1000;
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113 }
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114 double mQ = Math.min(10000, Math.abs(maxQ[0]));
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115 return mQ + 0.05*mQ;
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116 }
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117
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118 /**
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119 * Create a deep copy of this Facet.
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120 * @return a deep copy.
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121 */
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122 @Override
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Raimund Renkert <raimund.renkert@intevation.de>
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123 public FixWQCurveFacet deepCopy() {
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124 FixWQCurveFacet copy = new FixWQCurveFacet();
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125 copy.set(this);
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Raimund Renkert <raimund.renkert@intevation.de>
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126 return copy;
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Raimund Renkert <raimund.renkert@intevation.de>
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127 }
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128 }
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129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org