Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/sq/SQCurveFacet.java @ 5831:bd047b71ab37

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Repaired internal references
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 12:06:39 +0200
parents flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/SQCurveFacet.java@1df6984628c3
children
rev   line source
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1 package org.dive4elements.river.artifacts.model.sq;
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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 org.dive4elements.artifacts.Artifact;
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6 import org.dive4elements.artifacts.CallContext;
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7
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8 import org.dive4elements.river.artifacts.FLYSArtifact;
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9 import org.dive4elements.river.artifacts.math.fitting.Function;
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10 import org.dive4elements.river.artifacts.math.fitting.FunctionFactory;
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11 import org.dive4elements.river.artifacts.model.CalculationResult;
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12 import org.dive4elements.river.artifacts.model.DataFacet;
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13 import org.dive4elements.river.artifacts.model.FacetTypes;
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14 import org.dive4elements.river.artifacts.model.Parameters;
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15
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16 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
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17
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18
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19 /**
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20 * Facet to show the curve in a sq relation.
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21 *
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22 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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23 */
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24 public class SQCurveFacet extends DataFacet implements FacetTypes {
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25
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26 private static final Logger log = Logger.getLogger(SQCurveFacet.class);
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27
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28
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29 public static final String FUNCTION = "sq-pow";
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30
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31
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32 private int fractionIdx;
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33
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34
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35 public SQCurveFacet() {
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36 }
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37
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38
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39 public SQCurveFacet(
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40 int idx,
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41 int fractionIdx,
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42 String name,
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43 String description,
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44 String hash,
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45 String stateId
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46 ) {
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47 super(idx, name, description, ComputeType.ADVANCE, hash, stateId);
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48 this.fractionIdx = fractionIdx;
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49 }
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50
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51
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52 @Override
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53 public Object getData(Artifact artifact, CallContext context) {
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54 log.debug("SQCurveFacet.getData");
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55
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56 if (!(artifact instanceof FLYSArtifact)) {
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57 return null;
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58 }
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59
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60 FLYSArtifact flys = (FLYSArtifact) artifact;
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61
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62 CalculationResult res = (CalculationResult) flys.compute(
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63 context, ComputeType.ADVANCE, false);
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64
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65 SQResult[] results = (SQResult[]) res.getData();
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66 SQFractionResult result = results[index].getFraction(fractionIdx);
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67
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68 Parameters params = result.getParameters();
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69
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70 if (params == null) {
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71 log.debug("no parameters found");
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72 return null;
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73 }
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74
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75 Function func = FunctionFactory.getInstance().getFunction(FUNCTION);
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76 String[] paramNames = func.getParameterNames();
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77
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78 double [] coeffs = params.get(0, paramNames);
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79
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80 if (log.isDebugEnabled()) {
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81 for (int i = 0, N = paramNames.length; i < N; i++) {
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82 log.debug("retrieved parameter " + paramNames[i] +
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83 " = " + coeffs[i]);
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84 }
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85 }
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86
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87 org.dive4elements.river.artifacts.math.Function mf =
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88 func.instantiate(coeffs);
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89
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90 double [] extent = result.getQExtent();
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91 return new SQFunction(mf, extent[0], extent[1]);
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92 }
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93
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94
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95 @Override
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96 public SQCurveFacet deepCopy() {
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97 SQCurveFacet copy = new SQCurveFacet();
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98 copy.set(this);
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99
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100 return copy;
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101 }
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102 }
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103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org