/*
Copyright (C) 2001, 2006 United States Government
as represented by the Administrator of the
National Aeronautics and Space Administration.
All Rights Reserved.
*/
package gov.nasa.worldwind.layers.Earth;

import gov.nasa.worldwind.avlist.*;
import gov.nasa.worldwind.geom.*;
import gov.nasa.worldwind.layers.BasicTiledImageLayer;
import gov.nasa.worldwind.util.*;

/**
 * @author Patrick Murris
 * @version $Id$
 */
public class BMNG2004Layer extends BasicTiledImageLayer
{
    private int month;

    public BMNG2004Layer(int month)
    {
        super(makeLevels(month));
        this.month = month;
        this.setForceLevelZeroLoads(true);
        this.setRetainLevelZeroTiles(true);
    }

    private static LevelSet makeLevels(int month)
    {
        AVList params = new AVListImpl();
        String month2Digit = month > 9 ? Integer.toString(month) : "0" + month;
        params.setValue(AVKey.TILE_WIDTH, 512);
        params.setValue(AVKey.TILE_HEIGHT, 512);
        params.setValue(AVKey.DATA_CACHE_NAME, "Earth/BMNG/BMNG(Shaded + Bathymetry) Tiled - Version 1.1 - " + month + ".2004");
        params.setValue(AVKey.SERVICE, "http://worldwind25.arc.nasa.gov/tile/tile.aspx");
        params.setValue(AVKey.DATASET_NAME, "bmng.topo.bathy.2004" + month2Digit);
        params.setValue(AVKey.FORMAT_SUFFIX, ".dds");
        params.setValue(AVKey.NUM_LEVELS, 5);
        params.setValue(AVKey.NUM_EMPTY_LEVELS, 0);
        params.setValue(AVKey.LEVEL_ZERO_TILE_DELTA, new LatLon(Angle.fromDegrees(36d), Angle.fromDegrees(36d)));
        params.setValue(AVKey.SECTOR, Sector.FULL_SPHERE);

        return new LevelSet(params);
    }

    @Override
    public String toString()
    {
        String month2Digit = month > 9 ? Integer.toString(month) : "0" + month;
        return "NASA Blue Marble " + month2Digit + "-2004";
    }
}