77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
// mag_compass.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_MAG_COMPASS_HXX
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#define __INSTRUMENTS_MAG_COMPASS_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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#include <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/math/interpolater.hxx>
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/**
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* Model a magnetic compass.
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*
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* Input properties:
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*
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* /instrumentation/"name"/serviceable
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* /instrumentation/"name"/pitch-offset-deg
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* /instrumentation/"name"/max-pitch-deg
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* /instrumentation/"name"/max-roll-deg
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* /orientation/roll-deg
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* /orientation/pitch-deg
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* /orientation/heading-magnetic-deg
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* /orientation/side-slip-deg
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* /environment/magnetic-dip-deg
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* /accelerations/pilot/north-accel-fps_sec
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* /accelerations/pilot/east-accel-fps_sec
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* /accelerations/pilot/down-accel-fps_sec
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*
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* Output properties:
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*
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* /instrumentation/"name"/indicated-heading-deg
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*/
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class MagCompass : public SGSubsystem
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{
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public:
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MagCompass ( SGPropertyNode *node);
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MagCompass ();
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virtual ~MagCompass ();
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virtual void init ();
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virtual void reinit ();
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virtual void update (double dt);
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private:
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double _rate_degps;
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std::string _name;
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int _num;
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SGSharedPtr<SGInterpTable> _deviation_table;
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SGPropertyNode_ptr _deviation_node;
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SGPropertyNode_ptr _serviceable_node;
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SGPropertyNode_ptr _pitch_offset_node;
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SGPropertyNode_ptr _roll_node;
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SGPropertyNode_ptr _pitch_node;
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SGPropertyNode_ptr _heading_node;
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SGPropertyNode_ptr _beta_node;
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SGPropertyNode_ptr _dip_node;
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SGPropertyNode_ptr _x_accel_node;
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SGPropertyNode_ptr _y_accel_node;
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SGPropertyNode_ptr _z_accel_node;
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SGPropertyNode_ptr _out_node;
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};
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#endif // __INSTRUMENTS_MAG_COMPASS_HXX
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