gvsig-3d / 2.1 / trunk / org.gvsig.view3d / org.gvsig.view3d.vector / org.gvsig.view3d.vector.lib / org.gvsig.view3d.vector.lib.impl / src / main / java / org / gvsig / view3d / vector / lib / impl / AbstractRenderableLayer.java @ 763
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1 | 761 | llmarques | package org.gvsig.view3d.vector.lib.impl; |
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2 | |||
3 | import java.util.List; |
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4 | import java.util.concurrent.ExecutorService; |
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5 | import java.util.concurrent.Executors; |
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6 | |||
7 | import org.slf4j.Logger; |
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8 | import org.slf4j.LoggerFactory; |
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9 | |||
10 | import org.gvsig.fmap.dal.exception.DataException; |
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11 | import org.gvsig.fmap.dal.feature.Feature; |
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12 | import org.gvsig.fmap.dal.feature.FeatureQuery; |
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13 | import org.gvsig.fmap.dal.feature.FeatureSet; |
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14 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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15 | 763 | llmarques | import org.gvsig.fmap.dal.feature.FeatureType; |
16 | 761 | llmarques | import org.gvsig.tools.dispose.DisposableIterator; |
17 | import org.gvsig.view3d.vector.lib.api.VectorElevationMode; |
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18 | import org.gvsig.view3d.vector.lib.api.VectorLoaderParameters; |
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19 | |||
20 | import gov.nasa.worldwind.WorldWind; |
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21 | import gov.nasa.worldwind.layers.RenderableLayer; |
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22 | import gov.nasa.worldwind.render.Renderable; |
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23 | |||
24 | 762 | llmarques | public abstract class AbstractRenderableLayer extends RenderableLayer { |
25 | 761 | llmarques | |
26 | 762 | llmarques | private static final Logger LOG = LoggerFactory.getLogger(AbstractRenderableLayer.class); |
27 | 761 | llmarques | |
28 | protected FeatureStore featureStore;
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29 | |||
30 | protected VectorLoaderParameters parameters;
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31 | |||
32 | 762 | llmarques | public AbstractRenderableLayer(VectorLoaderParameters parameters, FeatureStore featureStore) {
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33 | 761 | llmarques | this.featureStore = featureStore;
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34 | this.parameters = parameters;
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35 | ExecutorService executor = Executors.newSingleThreadExecutor(); |
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36 | executor.execute(addRenderableObjects()); |
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37 | } |
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38 | |||
39 | protected Runnable addRenderableObjects() { |
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40 | |||
41 | return new Runnable() { |
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42 | |||
43 | @Override
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44 | public void run() { |
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45 | FeatureQuery featureQuery; |
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46 | try {
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47 | featureQuery = getFeatureQuery(); |
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48 | } catch (DataException e) {
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49 | LOG.error(String.format("Can not access to feature type of %1s", featureStore.getFullName()), e); |
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50 | removeAllRenderables(); |
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51 | return;
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52 | } |
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53 | |||
54 | FeatureSet featureSet = null;
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55 | DisposableIterator it = null;
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56 | try {
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57 | featureSet = featureStore.getFeatureSet(featureQuery); |
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58 | it = featureSet.fastIterator(); |
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59 | while (it.hasNext()) {
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60 | Feature feature = (Feature) it.next(); |
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61 | List<Renderable> renderables = getRenderable(feature);
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62 | for (Renderable renderable : renderables) {
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63 | addRenderable(renderable); |
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64 | } |
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65 | } |
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66 | } catch (DataException e) {
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67 | LOG.error(String.format("Can not access to %1s data", featureStore.getFullName()), e); |
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68 | removeAllRenderables(); |
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69 | return;
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70 | } finally {
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71 | if (it != null) { |
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72 | it.dispose(); |
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73 | } |
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74 | if (featureSet != null) { |
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75 | featureSet.dispose(); |
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76 | } |
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77 | } |
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78 | } |
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79 | }; |
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80 | } |
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81 | |||
82 | protected int getAltitudeMode(VectorElevationMode mode) { |
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83 | switch (mode) {
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84 | case CLAMP_TO_GROUND:
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85 | return WorldWind.CLAMP_TO_GROUND;
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86 | case ABSOLUTE:
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87 | return WorldWind.ABSOLUTE;
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88 | case RELATIVE_TO_GROUND:
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89 | return WorldWind.RELATIVE_TO_GROUND;
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90 | default:
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91 | throw new IllegalArgumentException( |
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92 | "Vector elevation mode not reconized. Only CLAMP_TO_GROUND, ABSOLUTE and RELATIVE_TO_GROUND are valid");
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93 | } |
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94 | } |
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95 | 763 | llmarques | |
96 | protected FeatureQuery getFeatureQuery() throws DataException { |
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97 | FeatureType featureType = featureStore.getDefaultFeatureType(); |
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98 | String geomAtt = featureType.getDefaultGeometryAttributeName();
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99 | FeatureQuery featureQuery = featureStore.createFeatureQuery(); |
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100 | featureQuery.addAttributeName(geomAtt); |
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101 | return featureQuery;
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102 | } |
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103 | 761 | llmarques | |
104 | protected abstract List<Renderable> getRenderable(Feature feature); |
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105 | } |