68 lines
3 KiB
C
68 lines
3 KiB
C
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/*****************************************************************************
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Header: FGWeatherDefs.h
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Author: Christian Mayer
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Date started: 28.05.99
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---------- Copyright (C) 1999 Christian Mayer (vader@t-online.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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definitions uses in most weather classes
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HISTORY
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------------------------------------------------------------------------------
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28.05.1999 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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*****************************************************************************/
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/****************************************************************************/
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/* SENTRY */
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/****************************************************************************/
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#ifndef FGWeatherDefs_H
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#define FGWeatherDefs_H
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/****************************************************************************/
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/* INCLUDES */
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/****************************************************************************/
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/****************************************************************************/
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/* DEFINES */
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/****************************************************************************/
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typedef float WeatherPrecition;
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//set the minimum visibility to get a at least half way realistic weather
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#define MINIMUM_WEATHER_VISIBILIY 10.0 /* metres */
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#define DEFAULT_WEATHER_VISIBILIY 32000.0 /* metres */
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//prefered way the database is working
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#define PREFERED_WORKING_TYPE default_mode
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#define FG_WEATHER_DEFAULT_TEMPERATURE (15.0+273.16) /*15<31>C or 288.16<EFBFBD>K*/
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#define FG_WEATHER_DEFAULT_VAPORPRESSURE (0.0) /*in Pascal 1 Pa = N/m^2*/
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#define FG_WEATHER_DEFAULT_AIRPRESSURE (1013.25*100.0) /*in Pascal 1 Pa = N/m^2*/
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#define FG_WEATHER_DEFAULT_AIRDENSITY (1.22501) /*in kg/m^3*/
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/****************************************************************************/
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/* CLASS DECLARATION */
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/****************************************************************************/
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/****************************************************************************/
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#endif /*FGWeatherDefs_H*/
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