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 @ 772
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package org.gvsig.view3d.vector.lib.impl; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Executors; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.geom.primitive.OrientablePrimitive; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.view3d.vector.lib.api.VectorElevationMode; |
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import org.gvsig.view3d.vector.lib.api.VectorLoaderParameters; |
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import gov.nasa.worldwind.WorldWind; |
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import gov.nasa.worldwind.geom.Position; |
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import gov.nasa.worldwind.layers.RenderableLayer; |
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import gov.nasa.worldwind.render.Renderable; |
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public abstract class AbstractRenderableLayer extends RenderableLayer { |
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private static final Logger LOG = LoggerFactory.getLogger(AbstractRenderableLayer.class); |
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protected FeatureStore featureStore;
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protected IVectorLegend legend;
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protected VectorLoaderParameters parameters;
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public AbstractRenderableLayer(VectorLoaderParameters parameters, FeatureStore featureStore, IVectorLegend legend) {
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this.featureStore = featureStore;
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this.legend = legend;
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this.parameters = parameters;
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addRenderableObjects(); |
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} |
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protected void addRenderableObjects() { |
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ExecutorService executor = Executors.newSingleThreadExecutor(); |
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executor.execute( new Runnable() { |
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@Override
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public void run() { |
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FeatureQuery featureQuery; |
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try {
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featureQuery = getFeatureQuery(); |
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} catch (DataException e) {
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LOG.error(String.format("Can not access to feature type of %1s", featureStore.getFullName()), e); |
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removeAllRenderables(); |
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return;
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} |
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FeatureSet featureSet = null;
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DisposableIterator it = null;
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try {
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featureSet = featureStore.getFeatureSet(featureQuery); |
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it = featureSet.fastIterator(); |
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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List<Renderable> renderables = getRenderables(feature);
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for (Renderable renderable : renderables) {
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addRenderable(renderable); |
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} |
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} |
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} catch (DataException e) {
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LOG.error(String.format("Can not access to %1s data", featureStore.getFullName()), e); |
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removeAllRenderables(); |
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return;
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} finally {
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if (it != null) { |
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it.dispose(); |
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} |
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if (featureSet != null) { |
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featureSet.dispose(); |
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} |
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} |
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} |
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}); |
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} |
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protected int getAltitudeMode(VectorElevationMode mode) { |
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if(mode == null) { |
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LOG.debug("Setting clamp to ground altitude mode by default");
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return WorldWind.CLAMP_TO_GROUND;
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} |
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switch (mode) {
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case CLAMP_TO_GROUND:
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return WorldWind.CLAMP_TO_GROUND;
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case ABSOLUTE:
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return WorldWind.ABSOLUTE;
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case RELATIVE_TO_GROUND:
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return WorldWind.RELATIVE_TO_GROUND;
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default:
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throw new IllegalArgumentException( |
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"Vector elevation mode not reconized. Only CLAMP_TO_GROUND, ABSOLUTE and RELATIVE_TO_GROUND are valid");
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} |
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} |
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protected FeatureQuery getFeatureQuery() throws DataException { |
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FeatureType featureType = featureStore.getDefaultFeatureType(); |
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String geomAtt = featureType.getDefaultGeometryAttributeName();
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FeatureQuery featureQuery = featureStore.createFeatureQuery(); |
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featureQuery.addAttributeName(geomAtt); |
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return featureQuery;
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} |
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protected List<Position> getVertices(OrientablePrimitive primitive, double h, boolean hasZ, ICoordTrans coordTrans) { |
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List<Position> verticesList = new ArrayList<>(primitive.getNumVertices()); |
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for (int i = 0; i < primitive.getNumVertices(); i++) { |
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Point vertex = primitive.getVertex(i);
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// Reproject point if there is a coordinate transformation
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if (coordTrans != null) { |
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vertex.reProject(coordTrans); |
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} |
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if (hasZ) {
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double z = vertex.getCoordinateAt(2); |
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verticesList.add(Position.fromDegrees(vertex.getY(), vertex.getX(), z + h));
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} else {
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verticesList.add(Position.fromDegrees(vertex.getY(), vertex.getX(), h));
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} |
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} |
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return verticesList;
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} |
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protected ICoordTrans getCoordTrans(IProjection origProj) {
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IProjection destProj = CRSFactory.getCRS("EPSG:4326");
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return origProj.getCT(destProj);
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} |
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@Override
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public void setExpiryTime(long expiryTime) { |
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// If expiry time is greater than last expiry time, reload
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// renderables
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if (expiryTime > this.getExpiryTime()) { |
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reloadRenderables(); |
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} |
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super.setExpiryTime(expiryTime);
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} |
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protected void reloadRenderables() { |
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// Clear renderables
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clearRenderables(); |
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// Clear render attibutes
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clearRenderAttributes(); |
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// Reload renderables
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addRenderableObjects(); |
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} |
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/**
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*
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*/
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protected abstract void clearRenderAttributes(); |
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/**
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*
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* @param feature
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* @return
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*/
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protected abstract List<Renderable> getRenderables(Feature feature); |
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} |