/*
openaltimeter -- an open-source altimeter for RC aircraft
Copyright (C) 2010-2011 Jony Hudson
http://openaltimeter.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.openaltimeter.data;
public class AltitudeConverter {
public static double altitudeMFromPressure(long pressure, double basePressure)
{
return 44330.0 * (1 - Math.pow(pressure / basePressure, 1/5.25));
}
public static double feetFromM(double altitudeM)
{
return 3.28 * altitudeM;
}
}