2002-09-27 18:27:58 +00:00
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// altimeter.hxx - an altimeter tied to the static port.
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// Written by David Megginson, started 2002.
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//
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// This file is in the Public Domain and comes with no warranty.
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#ifndef __INSTRUMENTS_ALTIMETER_HXX
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#define __INSTRUMENTS_ALTIMETER_HXX 1
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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2003-05-06 23:46:24 +00:00
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#include <simgear/props/props.hxx>
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2003-09-24 17:20:55 +00:00
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#include <simgear/structure/subsystem_mgr.hxx>
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2002-09-27 18:27:58 +00:00
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class SGInterpTable;
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/**
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* Model a barometric altimeter tied to the static port.
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*
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* Input properties:
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*
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* /instrumentation/altimeter/serviceable
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* /instrumentation/altimeter/setting-inhg
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* /systems/static[0]/pressure-inhg
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*
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* Output properties:
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*
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* /instrumentation/altimeter/indicated-altitude-ft
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*/
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2003-09-24 17:20:55 +00:00
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class Altimeter : public SGSubsystem
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2002-09-27 18:27:58 +00:00
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{
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public:
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Altimeter ();
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virtual ~Altimeter ();
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virtual void init ();
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virtual void update (double dt);
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private:
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SGPropertyNode_ptr _serviceable_node;
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SGPropertyNode_ptr _setting_node;
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SGPropertyNode_ptr _pressure_node;
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SGPropertyNode_ptr _altitude_node;
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SGInterpTable * _altitude_table;
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};
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#endif // __INSTRUMENTS_ALTIMETER_HXX
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