gvsig-3d / 2.1 / branches / org.gvsig.view3d_vector_and_extrusion_2.3 / org.gvsig.view3d / org.gvsig.view3d / org.gvsig.view3d.swing / org.gvsig.view3d.swing.impl / src / main / java / org / gvsig / view3d / swing / impl / layers / DefaultLayerConverter.java @ 736
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.view3d.swing.impl.layers; |
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import java.awt.geom.Point2D; |
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import java.security.MessageDigest; |
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import java.security.NoSuchAlgorithmException; |
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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.DataStoreParameters; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.grid.render.VisualPropertyListener; |
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import org.gvsig.fmap.dal.coverage.store.props.Statistics; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.operations.SingleLayer; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
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import org.gvsig.raster.fmap.layers.FLyrRaster; |
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import org.gvsig.raster.fmap.layers.ILayerState; |
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import org.gvsig.raster.fmap.layers.NotAvailableStateException; |
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import org.gvsig.view3d.lib.api.View3DLocator; |
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import org.gvsig.view3d.lib.api.View3DManager; |
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import org.gvsig.view3d.lib.api.loadingmodes.NwwLoaderFactory; |
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import org.gvsig.view3d.lib.api.properties.ElevationLayerProperties3D; |
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import org.gvsig.view3d.lib.api.properties.LayerProperties3D; |
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import org.gvsig.view3d.lib.api.properties.RasterLayerProperties3D; |
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import org.gvsig.view3d.lib.impl.layers.properties.DefaultElevationLayerProperties3D; |
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import org.gvsig.view3d.swing.api.MapControl3D; |
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import org.gvsig.view3d.swing.api.exceptions.ConversionLayerException; |
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import org.gvsig.view3d.swing.api.properties.NwwRasterLoaderFactory; |
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import org.gvsig.view3d.swing.impl.DefaultMapControl3D; |
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import org.gvsig.view3d.swing.impl.layers.loaders.ElevationLayerLoaderFactory; |
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import gov.nasa.worldwind.avlist.AVKey; |
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import gov.nasa.worldwind.avlist.AVList; |
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import gov.nasa.worldwind.avlist.AVListImpl; |
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import gov.nasa.worldwind.geom.Angle; |
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import gov.nasa.worldwind.geom.LatLon; |
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import gov.nasa.worldwind.geom.Sector; |
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import gov.nasa.worldwind.globes.ElevationModel; |
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import gov.nasa.worldwind.layers.Layer; |
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import gov.nasa.worldwind.terrain.BasicElevationModel; |
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import gov.nasa.worldwind.util.WWMath; |
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/**
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* Default implementation of {@link LayerConverter}.
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*
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* @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>
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*/
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public class DefaultLayerConverter implements LayerConverter { |
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private static final Logger LOG = LoggerFactory.getLogger(DefaultLayerConverter.class); |
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private final int DEFAULT_RASTERIZED_LEVEL_ZERO = 20; |
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private final int DEFAULT_TILE_WIDTH = 512; |
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private final int DEFAULT_TILE_HEIGHT = 512; |
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private View3DManager manager = View3DLocator.getManager();
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public Layer convertToLayer(MapControl3D mapControl, FLayer layer) throws ConversionLayerException { |
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IProjection projectionLayer = layer.getProjection(); |
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if(projectionLayer == null){ |
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projectionLayer = mapControl.getMapContext().getProjection(); |
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} |
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if (layer.getCoordTrans() != null) { |
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// Create new layer and configure it to be drawn projected on the fly
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try {
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layer = createNewProjectedOnTheFlyLayer(layer, projectionLayer); |
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} catch (LoadLayerException e) {
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throw new ConversionLayerException("Can not create layer and set" |
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+ " project on the fly configuration", e);
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} |
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} |
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//De aqu? hasta el final de m?todo lo que ten?a Andrea
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LayerProperties3D layerProperties = manager.getLayerProperties(layer, null);
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NwwLoaderFactory loadingFactory = manager.getLayerLoadingFactory(layer); |
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if (loadingFactory instanceof NwwRasterLoaderFactory) { |
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NwwRasterLoaderFactory rasterLoaderFactory = (NwwRasterLoaderFactory) loadingFactory; |
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rasterLoaderFactory.setMapControl(mapControl); |
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} |
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Layer nwwLayer = loadingFactory.loadLayer(layerProperties); |
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return nwwLayer;
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} |
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public ElevationModel convertToElevationModel(MapControl3D mapControl, FLayer layer) {
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//FIXME:
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// Este m?todo lo ha tenido que refactorizar Andrea
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// ver qu? ha hecho y si se puede dejar as?
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LayerProperties3D layerProperties = manager.getLayerProperties(layer, null);
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NwwLoaderFactory loadingFactory = manager.getLayerLoadingFactory(layer); |
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if (loadingFactory instanceof NwwRasterLoaderFactory) { |
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NwwRasterLoaderFactory rasterLoaderFactory = (NwwRasterLoaderFactory) loadingFactory; |
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rasterLoaderFactory.setMapControl(mapControl); |
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} |
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if (loadingFactory instanceof ElevationLayerLoaderFactory) { |
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BasicElevationModel elevModel = |
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((ElevationLayerLoaderFactory) loadingFactory).loadElevationModel(layerProperties); |
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return elevModel;
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} |
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return null; |
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} |
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private FLayer createNewProjectedOnTheFlyLayer(FLayer layer, IProjection projectionLayer)
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throws LoadLayerException {
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LayerProperties3D oldLayerProperties = |
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View3DLocator.getManager().getLayerProperties(layer, null);
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FLayer newLayer = null;
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DataStoreParameters parameters = null;
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if (layer instanceof FLyrVect) { |
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FLyrVect layerVect = (FLyrVect) layer; |
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parameters = layerVect.getFeatureStore().getParameters(); |
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} else if (layer instanceof FLyrRaster) { |
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FLyrRaster layerRaster = (FLyrRaster) layer; |
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parameters = layerRaster.getDataStore().getParameters(); |
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} |
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newLayer = |
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MapContextLocator.getMapContextManager().createLayer(layer.getName(), parameters); |
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newLayer.setCoordTrans(projectionLayer.getCT(CRSFactory.getCRS("EPSG:4326")));
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// Set the same legend/render to new layer
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if(newLayer instanceof FLyrVect){ |
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((FLyrVect) newLayer).setLegend((IVectorLegend) ((FLyrVect)layer).getLegend()); |
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} else if (newLayer instanceof FLyrRaster){ |
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// Set layer initialized and opened to avoid render configurations changes
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FLyrRaster rasterLayer = (FLyrRaster) newLayer; |
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rasterLayer.setLayerInitialized(true);
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if(rasterLayer instanceof ILayerState){ |
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try {
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((ILayerState) rasterLayer).enableOpen(); |
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} catch (NotAvailableStateException e) {
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throw new LoadLayerException(rasterLayer.getName(), e); |
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} |
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} |
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rasterLayer.getDataStore().setRender(((FLyrRaster) layer).getRender()); |
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// Add layer to listen visual property changes. This is necessary
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// because we are initializing layer manually to avoid render filters changes.
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if(rasterLayer instanceof VisualPropertyListener){ |
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rasterLayer.getRender().addVisualPropertyListener((VisualPropertyListener) rasterLayer); |
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} |
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} |
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View3DLocator.getManager().setLayerProperties(newLayer, oldLayerProperties); |
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return newLayer;
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} |
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private String getUniqueCacheId(FLayer layer) { |
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// TODO This is not valid. We have to take in account more properties
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// to get unique cache id
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try {
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// Create MD5 Hash
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MessageDigest digest = java.security.MessageDigest.getInstance("MD5"); |
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String name = layer.getName();
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long drawVersion = layer.getDrawVersion();
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String dataStoreFullName = null; |
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if (layer instanceof SingleLayer) { |
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dataStoreFullName = ((SingleLayer) layer).getDataStore().getFullName(); |
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} |
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int hashCode = layer.hashCode();
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StringBuilder stb = new StringBuilder(); |
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stb.append(name); |
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stb.append("$");
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stb.append(drawVersion); |
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stb.append("$");
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stb.append(hashCode); |
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stb.append("$");
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if (dataStoreFullName != null) { |
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stb.append(dataStoreFullName); |
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stb.append("$");
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} |
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String id = stb.toString();
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digest.update(id.getBytes()); |
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byte messageDigest[] = digest.digest(); |
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// Create Hex String
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StringBuilder hexString = new StringBuilder(); |
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hexString.append(layer.getName()); |
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hexString.append("-");
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for (int i = 0; i < messageDigest.length; i++) |
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hexString.append(Integer.toHexString(0xFF & messageDigest[i])); |
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return hexString.toString();
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} catch (NoSuchAlgorithmException e) { |
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LOG.warn("MD5 algorith is not available", e);
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String name = layer.getName();
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long drawVersion = layer.getDrawVersion();
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String dataStoreFullName = null; |
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if (layer instanceof SingleLayer) { |
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dataStoreFullName = ((SingleLayer) layer).getDataStore().getFullName(); |
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} |
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int hashCode = layer.hashCode();
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StringBuilder stb = new StringBuilder(); |
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stb.append(name); |
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stb.append("$");
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stb.append(drawVersion); |
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stb.append("$");
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stb.append(hashCode); |
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stb.append("$");
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if (dataStoreFullName != null) { |
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stb.append(dataStoreFullName); |
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stb.append("$");
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} |
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return stb.toString();
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} |
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} |
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private void createRasterTiledImageLayerParams(FLayer layer, AVList params, |
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RasterLayerProperties3D layerProperties) { |
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if (params == null) { |
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params = new AVListImpl();
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} |
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setBasicParameters(layer, params); |
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setSectorParameters(layer, params); |
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// Set resolution of layer
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params.setValue(AVKey.WIDTH, Integer.MAX_VALUE);
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params.setValue(AVKey.HEIGHT, Integer.MAX_VALUE);
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params.setValue(AVKey.IMAGE_FORMAT, "image/png");
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params.setValue(AVKey.PIXEL_FORMAT, AVKey.IMAGE); |
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params.setValue(AVKey.TEXTURE_FORMAT, "image/dds");
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params.setValue(AVKey.FORMAT_SUFFIX, ".png");
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params.setValue(AVKey.AVAILABLE_IMAGE_FORMATS, new String[] { params.getValue(AVKey.IMAGE_FORMAT).toString() }); |
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params.setValue(AVKey.NETWORK_RETRIEVAL_ENABLED, false);
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params.setValue(AVKey.USE_MIP_MAPS, true);
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params.setValue(AVKey.USE_TRANSPARENT_TEXTURES, true);
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Sector sector = (Sector) params.getValue(AVKey.SECTOR); |
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setTileParameters(layer, sector, params, layerProperties); |
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setDetailLevelParameters(layer, sector, params, layerProperties); |
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} |
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private void createElevationModelParams(FLayer layer, AVList params) { |
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if (params == null) { |
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params = new AVListImpl();
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} |
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setBasicParameters(layer, params); |
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setSectorParameters(layer, params); |
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if (layer instanceof FLyrRaster) { |
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FLyrRaster rasterLayer = (FLyrRaster) layer; |
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int[] dataType = rasterLayer.getDataStore().getDataType(); |
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switch (dataType[0]) { |
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case Buffer.TYPE_BYTE: |
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params.setValue(AVKey.DATA_TYPE, AVKey.INT8); |
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break;
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case Buffer.TYPE_SHORT: |
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case Buffer.TYPE_USHORT: |
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params.setValue(AVKey.DATA_TYPE, AVKey.INT16); |
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break;
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case Buffer.TYPE_INT: |
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params.setValue(AVKey.DATA_TYPE, AVKey.INT32); |
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break;
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case Buffer.TYPE_FLOAT: |
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params.setValue(AVKey.DATA_TYPE, AVKey.FLOAT32); |
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break;
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case Buffer.TYPE_DOUBLE: |
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params.setValue(AVKey.DATA_TYPE, AVKey.FLOAT64); |
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break;
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case Buffer.TYPE_UNDEFINED: |
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default:
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return;
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} |
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params.setValue(AVKey.WIDTH, (int) rasterLayer.getDataStore().getWidth());
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params.setValue(AVKey.HEIGHT, (int) rasterLayer.getDataStore().getHeight());
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Statistics statistics = rasterLayer.getDataStore().getStatistics(); |
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params.setValue(AVKey.ELEVATION_MIN, statistics.getMin()[0]);
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params.setValue(AVKey.ELEVATION_MAX, statistics.getMax()[0]);
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} else {
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// TODO Vectorial elevation
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} |
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View3DManager manager = View3DLocator.getManager(); |
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LayerProperties3D layerProperties = manager.getLayerProperties(layer, null);
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ElevationLayerProperties3D elevLayerProperties; |
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if (!(layerProperties instanceof ElevationLayerProperties3D)) { |
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elevLayerProperties = new DefaultElevationLayerProperties3D();
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} else {
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elevLayerProperties = (ElevationLayerProperties3D) layerProperties; |
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} |
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params.setValue(AVKey.PIXEL_FORMAT, AVKey.ELEVATION); |
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params.setValue(AVKey.IMAGE_FORMAT, "application/bil32");
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params.setValue(AVKey.MISSING_DATA_SIGNAL, elevLayerProperties.getNoDataValue()); |
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params.setValue(AVKey.ELEVATION_UNIT, elevLayerProperties.getElevationUnits()); |
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params.setValue(AVKey.BYTE_ORDER, AVKey.LITTLE_ENDIAN); |
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params.setValue(AVKey.AVAILABLE_IMAGE_FORMATS, new String[] { params.getValue(AVKey.IMAGE_FORMAT).toString() }); |
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Sector sector = (Sector) params.getValue(AVKey.SECTOR); |
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setTileParameters(layer, sector, params, elevLayerProperties); |
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setDetailLevelParameters(layer, sector, params, elevLayerProperties); |
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} |
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private void setDetailLevelParameters(FLayer layer, Sector sector, AVList params, |
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RasterLayerProperties3D layerProperties) { |
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int numLevels;
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// If deatail levels are 0, compute best level of detail number
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if (layerProperties.getMinLevel() == 0 && layerProperties.getMaxLevel() == 0) { |
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LatLon rasterTileDelta = this.computeRasterTileDelta(params);
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LatLon desiredLevelZeroDelta = this.computeDesiredTileDelta(sector);
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numLevels = computeNumLevels(desiredLevelZeroDelta, rasterTileDelta); |
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} else {
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numLevels = layerProperties.getMaxLevel() - layerProperties.getMinLevel(); |
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params.setValue(AVKey.NUM_EMPTY_LEVELS, layerProperties.getMinLevel()); |
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} |
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params.setValue(AVKey.NUM_LEVELS, numLevels); |
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if (layer instanceof FLyrVect) { |
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// Only rasterized vectorial layers
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double degrees = DEFAULT_RASTERIZED_LEVEL_ZERO * layerProperties.getLevelZeroResolutionMultiplier();
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params.setValue(AVKey.LEVEL_ZERO_TILE_DELTA, |
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new LatLon(Angle.fromDegrees(degrees), Angle.fromDegrees(degrees)));
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} else {
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LatLon rasterTileDelta = this.computeRasterTileDelta(params);
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double scale = Math.pow(2d, numLevels - 1); |
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LatLon levelZeroTileDelta = LatLon.fromDegrees( |
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scale * layerProperties.getLevelZeroResolutionMultiplier() * rasterTileDelta.getLatitude().degrees, |
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scale * layerProperties.getLevelZeroResolutionMultiplier() * rasterTileDelta.getLongitude().degrees); |
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params.setValue(AVKey.LEVEL_ZERO_TILE_DELTA, levelZeroTileDelta); |
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} |
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} |
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private void setSectorParameters(FLayer layer, AVList params) { |
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MapControl3D mapControl3D = (MapControl3D) params.getValue(DefaultMapControl3D.GVSIG_MAPCONTROL3D); |
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Sector sector = null;
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IProjection projection = mapControl3D.getMapContext().getProjection(); |
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try {
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sector = getSector(layer, projection); |
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} catch (DataException e) {
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LOG.info("Can't create sector from layer {} with projection {}", new Object[] { layer, projection }, e); |
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return;
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} |
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params.setValue(AVKey.SECTOR, sector); |
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} |
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private void setTileParameters(FLayer layer, Sector sector, AVList params, |
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RasterLayerProperties3D layerProperties) { |
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params.setValue(AVKey.TILE_ORIGIN, new LatLon(sector.getMinLatitude(), sector.getMinLongitude()));
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// If tile sizes are 0, set defautlt values
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params.setValue(AVKey.TILE_WIDTH, |
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layerProperties.getTileWidth() == 0 ? DEFAULT_TILE_WIDTH : layerProperties.getTileWidth());
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params.setValue(AVKey.TILE_HEIGHT, |
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layerProperties.getTileHeight() == 0 ? DEFAULT_TILE_HEIGHT : layerProperties.getTileHeight());
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} |
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private void setBasicParameters(FLayer layer, AVList params) { |
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params.setValue(AVKey.DATASET_NAME, layer.getName()); |
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params.setValue(AVKey.DATA_CACHE_NAME, getUniqueCacheId(layer)); |
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params.setValue(AVKey.DISPLAY_NAME, layer.getName()); |
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params.setValue(AVKey.SERVICE_NAME, "Offline");
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} |
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private Sector getSector(FLayer layer, IProjection projection) throws DataException { |
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// ICoordTrans ct = projection.getCT(CRSFactory.getCRS("EPSG:4326"));
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Point2D p1 = null; |
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Point2D p2 = null; |
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Envelope envelope = layer.getFullEnvelope(); |
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// p1 = convert(ct, new Point2D.Double(envelope.getMinimum(0), envelope.getMinimum(1)));
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// p2 = convert(ct, new Point2D.Double(envelope.getMaximum(0), envelope.getMaximum(1)));
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p1 = new Point2D.Double(envelope.getMinimum(0), envelope |
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.getMinimum(1));
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p2 = new Point2D.Double(envelope.getMaximum(0), envelope |
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.getMaximum(1));
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double minLatitude =
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Double.isInfinite(p1.getY()) || p1.getY() < Angle.NEG90.degrees ? Angle.NEG90.degrees : p1.getY();
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double maxLatitude =
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Double.isInfinite(p2.getY()) || p2.getY() > Angle.POS90.degrees ? Angle.POS90.degrees : p2.getY();
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double minLongitude =
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Double.isInfinite(p1.getX()) || p1.getX() < Angle.NEG180.degrees ? Angle.NEG180.degrees : p1.getX();
|
453 |
double maxLongitude =
|
454 |
Double.isInfinite(p2.getX()) || p2.getX() > Angle.POS180.degrees ? Angle.POS180.degrees : p2.getX();
|
455 |
|
456 |
Sector sector = new Sector(Sector.fromDegrees(minLatitude, maxLatitude, minLongitude, maxLongitude));
|
457 |
|
458 |
return sector;
|
459 |
} |
460 |
|
461 |
private int computeNumLevels(LatLon levelZeroDelta, LatLon lastLevelDelta) { |
462 |
// Compute the number of levels needed to achieve the given last level
|
463 |
// tile delta, starting from the given
|
464 |
// level zero tile delta.
|
465 |
double numLatLevels = WWMath.logBase2(levelZeroDelta.getLatitude().getDegrees())
|
466 |
- WWMath.logBase2(lastLevelDelta.getLatitude().getDegrees()); |
467 |
double numLonLevels = WWMath.logBase2(levelZeroDelta.getLongitude().getDegrees())
|
468 |
- WWMath.logBase2(lastLevelDelta.getLongitude().getDegrees()); |
469 |
|
470 |
// Compute the maximum number of levels needed, but limit the number of
|
471 |
// levels to positive integers greater
|
472 |
// than or equal to one.
|
473 |
int numLevels = (int) Math.ceil(Math.max(numLatLevels, numLonLevels)); |
474 |
if (numLevels < 1) |
475 |
numLevels = 1;
|
476 |
|
477 |
return numLevels;
|
478 |
} |
479 |
|
480 |
private LatLon computeRasterTileDelta(AVList parameters) {
|
481 |
|
482 |
Sector sector = (Sector) parameters.getValue(AVKey.SECTOR); |
483 |
int width = (Integer) parameters.getValue(AVKey.WIDTH); |
484 |
int height = (Integer) parameters.getValue(AVKey.HEIGHT); |
485 |
int tileWidth = (Integer) parameters.getValue(AVKey.TILE_WIDTH); |
486 |
int tileHeight = (Integer) parameters.getValue(AVKey.TILE_HEIGHT); |
487 |
|
488 |
LatLon pixelSize = this.computeRasterPixelSize(sector, width, height);
|
489 |
// Compute the tile size in latitude and longitude, given a raster's
|
490 |
// sector and dimension, and the tile
|
491 |
// dimensions. In this computation a pixel is assumed to cover a finite
|
492 |
// area.
|
493 |
double latDelta = tileHeight * pixelSize.getLatitude().degrees;
|
494 |
double lonDelta = tileWidth * pixelSize.getLongitude().degrees;
|
495 |
return LatLon.fromDegrees(latDelta, lonDelta);
|
496 |
} |
497 |
|
498 |
private LatLon computeRasterPixelSize(Sector sector, int width, int height) { |
499 |
// Compute the raster's pixel dimension in latitude and longitude. In
|
500 |
// this computation a pixel is assumed to
|
501 |
// cover a finite area.
|
502 |
return LatLon.fromDegrees(sector.getDeltaLatDegrees() / height, sector.getDeltaLonDegrees() / width);
|
503 |
} |
504 |
|
505 |
private LatLon computeDesiredTileDelta(Sector sector) {
|
506 |
return LatLon.fromDegrees(sector.getDeltaLatDegrees(), sector.getDeltaLonDegrees());
|
507 |
} |
508 |
|
509 |
// private Point2D convert(ICoordTrans ct, Point2D point) {
|
510 |
// if (ct == null) {
|
511 |
// return point;
|
512 |
// }
|
513 |
//
|
514 |
// return ct.convert(point, null);
|
515 |
// }
|
516 |
|
517 |
} |