Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/sq/SQOutlierCurveFacet.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children 59ff03ff48f1
rev   line source
5863
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model.sq;
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10
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11 import org.dive4elements.artifactdatabase.state.Facet;
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12
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13 import org.dive4elements.artifacts.Artifact;
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14 import org.dive4elements.artifacts.CallContext;
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15
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16 import org.dive4elements.river.artifacts.FLYSArtifact;
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17
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18 import org.dive4elements.river.artifacts.math.fitting.Function;
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19 import org.dive4elements.river.artifacts.math.fitting.FunctionFactory;
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20
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21 import org.dive4elements.river.artifacts.model.CalculationResult;
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22 import org.dive4elements.river.artifacts.model.DataFacet;
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23 import org.dive4elements.river.artifacts.model.FacetTypes;
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24 import org.dive4elements.river.artifacts.model.Parameters;
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25
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26 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
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27
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28 import org.apache.log4j.Logger;
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29
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30 public class SQOutlierCurveFacet
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31 extends DataFacet
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32 implements FacetTypes
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33 {
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34 private static final Logger log =
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35 Logger.getLogger(SQOutlierCurveFacet.class);
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36
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37 public static final String FUNCTION = "sq-pow";
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38
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39 public static final int BITMASK_ITERATION = (1 << 16) - 1;
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40
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41 private int fractionIdx;
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42
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43 public SQOutlierCurveFacet() {
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44 }
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45
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46 public SQOutlierCurveFacet(
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47 int idx,
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48 int fractionIdx,
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49 String name,
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50 String description,
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51 String hash,
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52 String stateId
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53 ) {
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54 super(idx, name, description, ComputeType.ADVANCE, hash, stateId);
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55 this.fractionIdx = fractionIdx;
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56 }
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57
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58
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59 @Override
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60 public Object getData(Artifact artifact, CallContext context) {
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61 log.debug("SQOutlierCurveFacet.getData");
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62
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63 if (!(artifact instanceof FLYSArtifact)) {
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64 return null;
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65 }
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66
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67 FLYSArtifact flys = (FLYSArtifact) artifact;
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68
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69 CalculationResult res = (CalculationResult) flys.compute(
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70 context, ComputeType.ADVANCE, false);
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71
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72 int idx = this.index >> 16;
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73 int iter = this.index & BITMASK_ITERATION;
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74
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75 SQResult[] results = (SQResult[]) res.getData();
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76 SQFractionResult result = results[idx].getFraction(fractionIdx);
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77
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78 Parameters params = result.getParameters(iter);
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79
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80 if (params == null) {
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81 return null;
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82 }
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83
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84 Function func = FunctionFactory.getInstance().getFunction(FUNCTION);
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85 String [] paramNames = func.getParameterNames();
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86
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87 double [] coeffs = params.get(0, paramNames);
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88
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89 if (log.isDebugEnabled()) {
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90 for (int i = 0; i < paramNames.length; i++) {
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91 log.debug("retrieved parameter " + paramNames[i] +
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92 " = " + coeffs[i]);
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93 }
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94 }
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95
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96 org.dive4elements.river.artifacts.math.Function mf =
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97 func.instantiate(coeffs);
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98
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99 double [] extent = result.getQExtent();
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100 return new SQFunction(mf, extent[0], extent[1]);
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101 }
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102
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103 @Override
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104 public Facet deepCopy() {
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105 SQOutlierCurveFacet copy = new SQOutlierCurveFacet();
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106 copy.set(this);
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107 return copy;
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108 }
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109 }
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110 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org