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flightgear/src/Instrumentation/mag_compass.hxx
mfranz b9e4775a7a Roy Vegard Ovesen:
- finish cleanup/optimization of instrumentation system (started by mfranz)
- improve configuration of special properties by
  addressing them directly
2006-12-06 22:11:43 +00:00

70 lines
1.5 KiB
C++

// mag_compass.hxx - an altimeter tied to the static port.
// Written by David Megginson, started 2002.
//
// This file is in the Public Domain and comes with no warranty.
#ifndef __INSTRUMENTS_MAG_COMPASS_HXX
#define __INSTRUMENTS_MAG_COMPASS_HXX 1
#ifndef __cplusplus
# error This library requires C++
#endif
#include <simgear/props/props.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
/**
* Model a magnetic compass.
*
* Input properties:
*
* /instrumentation/"name"/serviceable
* /orientation/roll-deg
* /orientation/pitch-deg
* /orientation/heading-magnetic-deg
* /orientation/side-slip-deg
* /environment/magnetic-dip-deg
* /accelerations/pilot/north-accel-fps_sec
* /accelerations/pilot/east-accel-fps_sec
* /accelerations/pilot/down-accel-fps_sec
*
* Output properties:
*
* /instrumentation/"name"/indicated-heading-deg
*/
class MagCompass : public SGSubsystem
{
public:
MagCompass ( SGPropertyNode *node);
MagCompass ();
virtual ~MagCompass ();
virtual void init ();
virtual void update (double dt);
private:
double _error_deg;
double _rate_degps;
string _name;
int _num;
SGPropertyNode_ptr _serviceable_node;
SGPropertyNode_ptr _roll_node;
SGPropertyNode_ptr _pitch_node;
SGPropertyNode_ptr _heading_node;
SGPropertyNode_ptr _beta_node;
SGPropertyNode_ptr _dip_node;
SGPropertyNode_ptr _x_accel_node;
SGPropertyNode_ptr _y_accel_node;
SGPropertyNode_ptr _z_accel_node;
SGPropertyNode_ptr _out_node;
};
#endif // __INSTRUMENTS_MAG_COMPASS_HXX