gov/nasa/worldwind/layers/Earth/USGSUrbanAreaOrtho.java

   1 /*
   2 Copyright (C) 2001, 2006 United States Government
   3 as represented by the Administrator of the
   4 National Aeronautics and Space Administration.
   5 All Rights Reserved.
   6 */
   7 package gov.nasa.worldwind.layers.Earth;
   8
   9 import gov.nasa.worldwind.*;
  10 import gov.nasa.worldwind.layers.*;
  11 import gov.nasa.worldwind.geom.*;
  12
  13 /**
  14  * @author tag
  15  * @version $Id: USGSUrbanAreaOrtho.java 1984 2007-06-09 00:33:22Z tgaskins $
  16  */
  17 public class USGSUrbanAreaOrtho extends TiledImageLayer
  18 {
  19     public USGSUrbanAreaOrtho()
  20     {
  21         super(makeLevels());
  22         this.setMaxActiveAltitude(35e3d);
  23     }
  24
  25     private static LevelSet makeLevels()
  26     {
  27         AVList params = new AVListImpl();
  28
  29         params.setValue(AVKey.TILE_WIDTH, 512);
  30         params.setValue(AVKey.TILE_HEIGHT, 512);
  31         params.setValue(AVKey.CACHE_NAME, "Earth/USGS Urban Area Ortho");
  32         params.setValue(AVKey.SERVICE, "http://worldwind25.arc.nasa.gov/tile/tile.aspx");
  33         params.setValue(AVKey.DATASET_NAME, "104dds");
  34         params.setValue(AVKey.FORMAT_SUFFIX, ".dds");
  35         params.setValue(AVKey.NUM_LEVELS, 12);
  36         params.setValue(AVKey.NUM_EMPTY_LEVELS, 2);
  37
  38         Angle levelZeroDelta = Angle.fromDegrees(3.2);
  39         params.setValue(AVKey.LEVEL_ZERO_TILE_DELTA, new LatLon(levelZeroDelta, levelZeroDelta));
  40
  41         params.setValue(AVKey.SECTOR, new Sector(Angle.fromDegrees(17.84), Angle.fromDegrees(71.55),
  42             Angle.fromDegrees(-168.67), Angle.fromDegrees(-65.15)));
  43
  44         return new LevelSet(params);
  45     }
  46
  47     @Override
  48     public String toString()
  49     {
  50         return WorldWind.retrieveErrMsg("layers.Earth.USGSUrbanAreaOrtho.Name");
  51     }
  52 }