104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
// steam.hxx - Steam Gauge Indications
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//
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// Started by Alex Perry
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//
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// Copyright (C) 2000 Alexander Perry - alex.perry@ieee.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef FG_STEAM
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#define FG_STEAM
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <simgear/compiler.h>
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#include <time.h>
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#include STL_STRING
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SG_USING_NAMESPACE(std);
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/**
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* STEAM GAUGES
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*
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* This class is a mapping layer, which retrieves information from the
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* property manager (which reports truthful and ideal values) and
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* generates all the instrument errors and inaccuracies that pilots
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* (err) love, of course. Please report any missing flaws (!).
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*
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* These should be used to operate cockpit instruments,
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* and autopilot features where these are slaved thus.
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* They should not be used for other simulation purposes.
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*/
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class FGSteam
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{
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public:
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static void update ( int timesteps );
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// Position
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static double get_ALT_ft ();
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static double get_TC_rad ();
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static double get_MH_deg ();
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static double get_DG_deg ();
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static double get_DG_err ();
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static void set_DG_err(double approx_magvar);
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// Velocities
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static double get_ASI_kias ();
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static double get_TC_std ();
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static double get_VSI_fps ();
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// Engine Gauges
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static double get_VACUUM_inhg ();
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// Atmosphere
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static double get_ALT_datum_mb ();
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static void set_ALT_datum_mb(double datum_mb);
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// Hacks ... temporary stuff
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// static double get_HackVOR1_deg ();
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static double get_HackOBS1_deg ();
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// static double get_HackGS_deg ();
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// static double get_HackVOR2_deg ();
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static double get_HackOBS2_deg ();
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static double get_HackADF_deg ();
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private:
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static double the_ALT_ft;
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static double the_ALT_datum_mb;
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static double the_TC_rad, the_TC_std;
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static double the_STATIC_inhg, the_VACUUM_inhg;
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static double the_VSI_fps, the_VSI_case;
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static double the_MH_deg, the_MH_degps, the_MH_err;
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static double the_DG_deg, the_DG_degps, the_DG_inhg, the_DG_err;
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static int _UpdatesPending;
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static void _CatchUp ();
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static void set_lowpass ( double *outthe,
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double inthe, double tc );
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};
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#endif // FG_STEAM
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