71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
/*****************************************************************************
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Module: FGPhysicalProperty.cpp
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Author: Christian Mayer
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Date started: 28.05.99
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Called by: main program
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-------- Copyright (C) 1999 Christian Mayer (fgfs@christianmayer.de) --------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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FUNCTIONAL DESCRIPTION
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------------------------------------------------------------------------------
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Initialice the FGPhysicalProperty struct to something sensible(?)
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HISTORY
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------------------------------------------------------------------------------
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29.05.1999 Christian Mayer Created
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16.06.1999 Durk Talsma Portability for Linux
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20.06.1999 Christian Mayer added lots of consts
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11.10.1999 Christian Mayer changed set<> to map<> on Bernie Bright's
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suggestion
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19.10.1999 Christian Mayer change to use PLIB's sg instead of Point[2/3]D
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and lots of wee code cleaning
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*****************************************************************************/
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/****************************************************************************/
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/* INCLUDES */
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/****************************************************************************/
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#include "FGWeatherDefs.h"
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#include "FGPhysicalProperty.h"
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/****************************************************************************/
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/********************************** CODE ************************************/
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/****************************************************************************/
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FGPhysicalProperty::FGPhysicalProperty()
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{
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sgZeroVec3(Wind); //Wind vector
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sgZeroVec3(Turbulence); //Turbulence vector
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Temperature = FG_WEATHER_DEFAULT_TEMPERATURE; //a nice warm day
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AirPressure = FG_WEATHER_DEFAULT_AIRPRESSURE; //mbar, that's ground level
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VaporPressure = FG_WEATHER_DEFAULT_VAPORPRESSURE; //that gives about 50% relatvie humidity
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}
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FGPhysicalProperty::FGPhysicalProperty(const FGPhysicalProperties& p, const WeatherPrecision altitude)
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{
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p.WindAt(Wind, altitude);
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p.TurbulenceAt(Turbulence, altitude);
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Temperature = p.TemperatureAt(altitude);
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AirPressure = p.AirPressureAt(altitude);
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VaporPressure = p.VaporPressureAt(altitude);
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}
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