Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeDischargeCurveFacet.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents dbe9b7d6b80b
children
rev   line source
3936
4e1b3b4ef132 Add new Artifacts and State for displaying discharge curves at a gauge
Bjoern Ricks <bjoern.ricks@intevation.de>
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1 package de.intevation.flys.artifacts.model;
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2
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3 import java.util.Arrays;
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4 import java.util.Map;
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5
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6 import de.intevation.artifacts.Artifact;
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7 import de.intevation.artifacts.CallContext;
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8
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9 import de.intevation.artifactdatabase.state.DefaultFacet;
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10 import de.intevation.artifactdatabase.state.Facet;
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11
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12 import de.intevation.flys.artifacts.FLYSArtifact;
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13
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14 import de.intevation.flys.model.Gauge;
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15
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16 import de.intevation.flys.utils.FLYSUtils;
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17
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18 import org.apache.log4j.Logger;
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19
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20 /**
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21 * A Facet that returns discharge curve data at a gauge
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22 *
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23 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
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24 */
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25 public class GaugeDischargeCurveFacet
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26 extends DefaultFacet
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27 implements FacetTypes
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28 {
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29 private static final Logger log =
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30 Logger.getLogger(GaugeDischargeCurveFacet.class);
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31
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32 public GaugeDischargeCurveFacet(String name, String description) {
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33 super(0, name, description);
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34 }
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35
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36 @Override
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37 public Object getData(Artifact art, CallContext context) {
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38 return getWQKms(art, context);
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39 }
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40
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41 protected WQKms getWQKms(Artifact art, CallContext context) {
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42 if (!(art instanceof FLYSArtifact)) {
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43 log.warn("Invalid artifact type");
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44 return null;
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45 }
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46
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47 FLYSArtifact flys = (FLYSArtifact)art;
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48
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49 String river = flys.getDataAsString("river");
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50
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51 Gauge gauge = FLYSUtils.getReferenceGauge(flys);
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52
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53 if (river == null || gauge == null) {
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54 log.warn("Unknown river or gauge");
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55 return null;
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56 }
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57
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58 String name = gauge.getName();
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59
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60 DischargeTables dt = new DischargeTables(river, name);
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61
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62 Map<String, double [][]> map = dt.getValues(
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63 DischargeTables.MASTER_SCALE);
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64
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65 double [][] values = map.get(name);
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66 if (values == null) {
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67 return null;
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68 }
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69 double [] kms = new double[values[0].length];
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70 Arrays.fill(kms, gauge.getStation().doubleValue());
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71 return new WQKms(kms, values[0], values[1], name);
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72 }
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73
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74 @Override
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75 public Facet deepCopy() {
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76 GaugeDischargeCurveFacet copy = new GaugeDischargeCurveFacet(
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77 this.name,
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78 this.description);
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79 copy.set(this);
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80 return copy;
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81 }
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82 }
http://dive4elements.wald.intevation.org