<?xml version="1.0"?> <!-- c172p ski animations. Copyright (c) 2015 Wayne Bragg 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA --> <system name="c172p-skis"> <channel name="ski-rotations"> <!-- atan(length_ski / alt_agl) --> <fcs_function name="ski/atan"> <function> <atan> <quotient> <value>0.88078</value> <sum> <difference> <property>/position/altitude-agl-m</property> <value>1.4779</value> </difference> <value>1.14886</value> </sum> </quotient> </atan> </function> </fcs_function> </channel> </system>