Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/process/HistoricalDischargeProcessor.java @ 8188:407c9598352f

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Use processors for historical discharge curves.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 04 Sep 2014 15:26:55 +0200
parents
children e4606eae8ea5
rev   line source
8188
407c9598352f Use processors for historical discharge curves.
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1 package org.dive4elements.river.exports.process;
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2
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3 import org.apache.log4j.Logger;
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4 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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5 import org.dive4elements.artifacts.CallContext;
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6 import org.dive4elements.river.artifacts.model.FacetTypes;
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7 import org.dive4elements.river.artifacts.model.WQKms;
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8 import org.dive4elements.river.exports.DiagramGenerator;
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9 import org.dive4elements.river.exports.StyledSeriesBuilder;
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10 import org.dive4elements.river.jfree.StyledXYSeries;
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11 import org.dive4elements.river.themes.ThemeDocument;
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12 import org.jfree.data.xy.XYSeries;
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13
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14
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15 public class HistoricalDischargeProcessor
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16 extends DefaultProcessor
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17 implements FacetTypes
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18 {
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19
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20 private final static Logger logger =
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21 Logger.getLogger(HistoricalDischargeProcessor.class);
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22
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23 /** Station for which the diagram is shown. */
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24 private double km;
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25
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26 /** Tolerance for comparison of kilometers. */
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27 public static final double KM_EPSILON = 0.001d;
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28
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29
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30 /** This processor needs to be constructed with a given km. */
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31 public HistoricalDischargeProcessor() {
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32 km = Double.NaN;
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33 }
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34
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35
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36 public HistoricalDischargeProcessor(double km) {
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37 this.km = km;
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38 }
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39
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40
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41 /** Process data, add it to plot. */
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42 @Override
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43 public void doOut(
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44 DiagramGenerator generator,
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45 ArtifactAndFacet bundle,
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46 ThemeDocument theme,
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47 boolean visible
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48 ) {
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49 logger.debug("do out: " + bundle.getFacetName());
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50 CallContext context = generator.getCallContext();
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51 Object data = bundle.getData(context);
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52 if (data instanceof WQKms) {
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53 doDischargeOut(generator, bundle, theme, visible);
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54 }
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55 }
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56
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57 /** True if this processor knows how to deal with facetType. */
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58 @Override
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59 public boolean canHandle(String facetType) {
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60 return HISTORICAL_DISCHARGE_WQ_CURVE.equals(facetType);
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61 }
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62
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63
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64 /** The station of the current calculation/view. */
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65 protected double getKm() {
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66 return km;
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67 }
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68
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69 /**
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70 * Add series with discharge curve to diagram.
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71 */
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72 protected void doDischargeOut(
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73 DiagramGenerator generator,
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74 ArtifactAndFacet bundle,
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75 ThemeDocument theme,
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76 boolean visible
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77 ) {
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78 CallContext context = generator.getCallContext();
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79 WQKms data = (WQKms)bundle.getData(context);
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80 XYSeries series = new StyledXYSeries(bundle.getFacetName(), theme);
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81 double[][] wqData = new double[2][data.size()];
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82 for (int i = 0; i < data.size(); i++) {
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83 wqData[0][i] = data.getQ(i);
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84 wqData[1][i] = data.getW(i);
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85 }
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86 StyledSeriesBuilder.addPoints(series, wqData, false);
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87
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88 generator.addAxisSeries(series, axisName, visible);
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89 }
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90 }
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