<?xml version="1.0" ?> <!-- This file is part of FlightGear, the free flight simulator http://www.flightgear.org/ Copyright (C) 2009 Torsten Dreyer, Torsten (at) t3r _dot_ de 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. --> <PropertyList> <name>MetarController:layer:wind-speed-kt</name> <type>gain</type> <gain>1.0</gain> <enable> <condition> <property>/environment/metar/valid</property> <property>/environment/params/metar-updates-environment</property> </condition> </enable> <input> <expression> <product> <property>/environment/config/boundary/entry[0]/wind-speed-kt</property> <sum> <property>/environment/config/boundary/entry[1]/wind-speed-change-rel</property> <value>1.0</value> </sum> </product> </expression> </input> <output>/environment/config/boundary/entry[1]/wind-speed-kt</output> </PropertyList>