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flightgear/src/WeatherCM/FGWeatherDefs.h

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/*****************************************************************************
Header: FGWeatherDefs.h
Author: Christian Mayer
Date started: 28.05.99
-------- Copyright (C) 1999 Christian Mayer (fgfs@christianmayer.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.
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.
Further information about the GNU General Public License can also be found on
the world wide web at http://www.gnu.org.
FUNCTIONAL DESCRIPTION
------------------------------------------------------------------------------
definitions uses in most weather classes
HISTORY
------------------------------------------------------------------------------
28.05.1999 Christian Mayer Created
16.06.1999 Durk Talsma Portability for Linux
20.06.1999 Christian Mayer added lots of consts
11.10.1999 Christian Mayer changed set<> to map<> on Bernie Bright's
suggestion
19.10.1999 Christian Mayer change to use PLIB's sg instead of Point[2/3]D
and lots of wee code cleaning
*****************************************************************************/
/****************************************************************************/
/* SENTRY */
/****************************************************************************/
#ifndef FGWeatherDefs_H
#define FGWeatherDefs_H
/****************************************************************************/
/* INCLUDES */
/****************************************************************************/
/****************************************************************************/
/* DEFINES */
/****************************************************************************/
typedef float WeatherPrecision;
//set the minimum visibility to get a at least half way realistic weather
#define MINIMUM_WEATHER_VISIBILITY 10.0 /* metres */
#define DEFAULT_WEATHER_VISIBILITY 32000.0 /* metres */
//prefered way the database is working
#define PREFERED_WORKING_TYPE default_mode
// #define PREFERED_WORKING_TYPE use_internet
#define FG_WEATHER_DEFAULT_TEMPERATURE (15.0+273.16) /*15<31>C or 288.16<EFBFBD>K*/
#define FG_WEATHER_DEFAULT_VAPORPRESSURE (0.0) /*in Pascal 1 Pa = N/m^2*/
#define FG_WEATHER_DEFAULT_AIRPRESSURE (1013.25*100.0) /*in Pascal 1 Pa = N/m^2*/
#define FG_WEATHER_DEFAULT_AIRDENSITY (1.22501) /*in kg/m^3*/
/****************************************************************************/
/* CLASS DECLARATION */
/****************************************************************************/
/****************************************************************************/
#endif /*FGWeatherDefs_H*/