earthflat.java

world wind java sdk 源码

/*
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.globes;

/**
 * @author Tom Gaskins
 * @version $Id$
 */

public class EarthFlat extends FlatGlobe
{
    public static final double WGS84_EQUATORIAL_RADIUS = 6378137.0; // ellipsoid equatorial getRadius, in meters
    public static final double WGS84_POLAR_RADIUS = 6356752.3; // ellipsoid polar getRadius, in meters
    public static final double WGS84_ES = 0.00669437999013; // eccentricity squared, semi-major axis

    public EarthFlat()
    {
        super(WGS84_EQUATORIAL_RADIUS, WGS84_POLAR_RADIUS, WGS84_ES, new EarthElevationModel());
    }
}