Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/fixings/FixDerivateFacet.java @ 3088:960307cf2adc

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Moved current km to context and added an abstract generator for fix analysis charts. flys-artifacts/trunk@4686 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Mon, 18 Jun 2012 11:21:30 +0000
parents ba7df29264cd
children 179e38aa678d
rev   line source
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22da13d1b180 Added facet for derivate curve and fixed facet names.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.model.fixings;
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2
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
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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.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3081
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9 import de.intevation.flys.artifacts.math.fitting.Function;
ba7df29264cd Removed superfluous import.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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10 import de.intevation.flys.artifacts.math.fitting.FunctionFactory;
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11
ba7df29264cd Removed superfluous import.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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12 import de.intevation.flys.artifacts.model.CalculationResult;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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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ba7df29264cd Removed superfluous import.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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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.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3081
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19 import org.apache.log4j.Logger;
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20
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Raimund Renkert <raimund.renkert@intevation.de>
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21
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Raimund Renkert <raimund.renkert@intevation.de>
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22 /**
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Raimund Renkert <raimund.renkert@intevation.de>
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23 * Facet to show the W|Q values.
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Raimund Renkert <raimund.renkert@intevation.de>
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24 *
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Raimund Renkert <raimund.renkert@intevation.de>
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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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Raimund Renkert <raimund.renkert@intevation.de>
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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 maxQ;
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35
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36 /** Trivial Constructor. */
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37 public FixDerivateFacet() {
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38 }
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39
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40
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41 /**
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42 * @param name
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43 */
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44 public FixDerivateFacet(String name, String description) {
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45 super(0, name, description, ComputeType.ADVANCE, null, null);
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46 }
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47
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48
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Raimund Renkert <raimund.renkert@intevation.de>
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49 /**
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50 * Returns the data this facet requires.
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51 *
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52 * @param artifact the owner artifact.
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53 * @param context the CallContext (ignored).
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54 *
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55 * @return the data.
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56 */
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57 @Override
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58 public Object getData(Artifact artifact, CallContext context) {
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59 logger.debug("FixDerivateFacet.getData");
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60 if (artifact instanceof FLYSArtifact) {
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61 FLYSArtifact flys = (FLYSArtifact)artifact;
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62 FixationArtifactAccess access = new FixationArtifactAccess(flys);
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63
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64 CalculationResult res =
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65 (CalculationResult) flys.compute(context,
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66 ComputeType.ADVANCE,
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67 false);
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68
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69 FixResult result = (FixResult) res.getData();
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parents: 3086
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70 double currentKm =
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71 ((Double)context.getContextValue("currentKm")).doubleValue();
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72
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73 String function = access.getFunction();
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74 Function ff = FunctionFactory.getInstance().getFunction(function);
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75 Function.Derivative fd = ff.getDerivative();
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76
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77 Parameters params = result.getParameters();
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78
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79 // Determine maxQ
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80 double[] maxQs = params
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81 .interpolate("km", currentKm, new String [] { "max_q" });
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82 if(maxQs != null) {
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83 maxQ = maxQs[0];
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84 }
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85
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86 int row = params.binarySearch("km", currentKm, Math.pow(10, -4));
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87 if(row < 0) {
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88 row = -row - 1;
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89 logger.debug("getData: no direct hit in params.binarySearch");
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90 }
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91 String[] paramNames = ff.getParameterNames();
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92 int[] paramInd = params.columnIndices(paramNames);
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93 double[] coeffs = new double[paramNames.length];
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94 params.get(row, paramInd, coeffs);
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95
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96 de.intevation.flys.artifacts.math.Function mf =
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97 fd.instantiate(coeffs);
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98
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99 double maxQ = getMaxQ(result, currentKm);
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100
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101 FixFunction fix = new FixFunction(
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102 "",
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103 ff.getDescription(),
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104 mf,
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105 maxQ);
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106
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107 return fix;
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108 }
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109 else {
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110 logger.debug("Not an instance of FixationArtifact.");
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111 return null;
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112 }
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113 }
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114
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115
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116 protected double getMaxQ(FixResult result, double km) {
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117 return maxQ;
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118 }
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119
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120 /**
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121 * Create a deep copy of this Facet.
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122 * @return a deep copy.
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123 */
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124 @Override
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125 public FixDerivateFacet deepCopy() {
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126 FixDerivateFacet copy = new FixDerivateFacet();
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127 copy.set(this);
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128 return copy;
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129 }
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130 }
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parents:
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http://dive4elements.wald.intevation.org