Revision 474 2.1/trunk/org.gvsig.view3d/org.gvsig.view3d.swing/org.gvsig.view3d.swing.impl/src/main/java/org/gvsig/view3d/swing/impl/data/DefaultTiledImageLayer.java
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import org.w3c.dom.Element; |
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/** |
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* Default implementation of {@link BasicTiledImageLayer}. This class represents
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* a tiled raster layer. Manages creation of tiles, visibility of tiles, levels |
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* of details, resolution... |
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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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*/ |
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public class DefaultTiledImageLayer extends BasicTiledImageLayer {
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.getLogger(DefaultTiledImageLayer.class); |
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/** |
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* Default constructor from parameters. |
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* |
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* @param params |
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* parameters of {@link DefaultTiledImageLayer}
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*/ |
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public DefaultTiledImageLayer(AVList params) {
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} |
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/** |
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* Default constructor form {@link Element}. Requerided parameters:
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* |
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* <ul> |
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* <li>AVKey.DATASET_NAME</li> |
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* <li>AVKey.DATA_CACHE_NAME</li> |
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* <li>DefaultMapControl3D.GVSIG_MAPCONTROL3D</li> |
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* <li>DefaultMapControl3D.GVSIG_LAYER</li> |
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* </ul> |
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* |
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* @param domElement |
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* element that contains parameters values. |
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* @param params |
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* Additional parameters. If there are some parameter not defined |
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* at {@link Element}, it is getted from additional parameters.
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*/ |
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public DefaultTiledImageLayer(Element domElement, AVList params) {
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super(domElement, params); |
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} |
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private void createRasterServer(AVList params) {
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if (params == null) {
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LOG.error("Can not create raster server, parameters is null");
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throw new IllegalArgumentException(); |
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} |
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MapControl3D mapControl3D = |
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(MapControl3D) params.getValue(DefaultMapControl3D.GVSIG_MAPCONTROL3D); |
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(MapControl3D) params |
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.getValue(DefaultMapControl3D.GVSIG_MAPCONTROL3D); |
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if (mapControl3D == null) {
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LOG.error( |
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throw new IllegalArgumentException(); |
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} |
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FLayer layer = (FLayer) params.getValue(DefaultMapControl3D.GVSIG_LAYER); |
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FLayer layer = |
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(FLayer) params.getValue(DefaultMapControl3D.GVSIG_LAYER); |
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if (layer == null) {
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LOG.error( |
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this.setValue(AVKey.RETRIEVER_FACTORY_LOCAL, retrieverFactory); |
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} |
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protected boolean isTileVisible(DrawContext dc, TextureTile tile) {
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if(tile.getSector().isWithinLatLonLimits()){
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if (tile.getSector().isWithinLatLonLimits()) {
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return tile.getExtent(dc).intersects( |
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dc.getView().getFrustumInModelCoordinates()) |
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&& (dc.getVisibleSector() == null || dc.getVisibleSector() |
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.intersects(tile.getSector())); |
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.intersects(tile.getSector()));
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} else {
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// Try to fix extend. This is necessary to avoid problems getting if |
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// some tile is visible or not when the tile has corrupt sector like |
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// 180.0000001 or -90.000000004561 |
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} |
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private Extent fixExtend(TextureTile tile, DrawContext dc) {
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if (dc == null) {
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String msg = Logging.getMessage("nullValue.DrawContextIsNull");
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Logging.logger().severe(msg); |
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throw new IllegalArgumentException(msg); |
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} |
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if ( tile.getSector().isWithinLatLonLimits()){
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if (tile.getSector().isWithinLatLonLimits()) {
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return Sector.computeBoundingBox(dc.getGlobe(), |
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dc.getVerticalExaggeration(), tile.getSector()); |
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} else {
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double[] degreesArray = tile.getSector().asDegreesArray(); |
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double minLatitude = |
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degreesArray[0] < Angle.NEG90.degrees ? Angle.NEG90.degrees |
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: degreesArray[0]; |
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double maxLongitude = |
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degreesArray[3] > Angle.POS180.degrees ? Angle.POS180.degrees |
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: degreesArray[3]; |
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Sector adjustedSector = |
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new Sector(Angle.fromDegrees(minLatitude), |
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Angle.fromDegrees(maxLatitude), |
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Angle.fromDegrees(minLongitude), |
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Angle.fromDegrees(maxLongitude)); |
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return Sector.computeBoundingBox(dc.getGlobe(), |
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dc.getVerticalExaggeration(), adjustedSector); |
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} |
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