发送和获取FG数据
由C++编写的小程序，开放源码。总共分为两程序文件，其中SetFDMData用来发送数据并驱动FlightGear视景，另外一个GetFDMData用来获取FG数据。
现在提供给大家，希望能派上用场。
class FGNetData
{
public:
FGNetData(void);
~FGNetData(void);
private:
void htond (double &x);
void htonf (float &x);
public:
void ConverData();
public:
public:
enum {
FG_MAX_ENGINES = 4,
FG_MAX_WHEELS = 3,
FG_MAX_TANKS = 4
};
uint32_t version; // increment when data values change
uint32_t padding; // padding
// Positions
double longitude; // geodetic (radians)
double latitude; // geodetic (radians)
double altitude; // above sea level (meters)
float agl; // above ground level (meters)
float phi; // roll (radians)
float theta; // pitch (radians)
float psi; // yaw or true heading (radians)
float alpha; // angle of attack (radians)
float beta; // side slip angle (radians)
// Velocities
float phidot; // roll rate (radians/sec)
float thetadot; // pitch rate (radians/sec)
float psidot; // yaw rate (radians/sec)
float vcas; // calibrated airspeed
float climb_rate; // feet per second
float v_north; // north velocity in local/body frame, fps
float v_east; // east velocity in local/body frame, fps
float v_down; // down/vertical velocity in local/body frame, fps
float v_wind_body_north; // north velocity in local/body frame
// relative to local airmass, fps
float v_wind_body_east; // east velocity in local/body frame
// relative to local airmass, fps
float v_wind_body_down; // down/vertical velocity in local/body
// frame relative to local airmass, fps
// Accelerations
float A_X_pilot; // X accel in body frame ft/sec^2
float A_Y_pilot; // Y accel in body frame ft/sec^2
float A_Z_pilot; // Z accel in body frame ft/sec^2
// Stall
float stall_warning; // 0.0 - 1.0 indicating the amount of stall
float slip_deg; // slip ball deflection
// Pressure
// Engine status
uint32_t num_engines; // Number of valid engines
uint32_t eng_state;// Engine state (off, cranking, running)
float rpm; // Engine RPM rev/min
float fuel_flow; // Fuel flow gallons/hr
float fuel_px; // Fuel pressure psi
float egt; // Exhuast gas temp deg F
float cht; // Cylinder head temp deg F
float mp_osi; // Manifold pressure
float tit; // Turbine Inlet Temperature
float oil_temp;// Oil temp deg F
float oil_px; // Oil pressure psi
// Consumables
uint32_t num_tanks; // Max number of fuel tanks
float fuel_quantity;
// Gear status
uint32_t num_wheels;
uint32_t wow;
float gear_pos;
float gear_steer;
float gear_compression;
// Environment
uint32_t cur_time; // current unix time
// FIXME: make this uint64_t before 2038
int32_t warp; // offset in seconds to unix time
float visibility; // visibility in meters (for env. effects)
// Control surface positions (normalized values)
float elevator;
float elevator_trim_tab;
float left_flap;
float right_flap;
float left_aileron;
float right_aileron;
float rudder;
float nose_wheel;
float speedbrake;
float spoilers;
};
有兄弟可以翻译一下各个参数什么意思么？ 谢谢楼主 学习学习 没想到困扰我这么久的问题被楼主这么轻易解决了，膜拜一下。 谢谢楼主的贡献 {:3_41:}膜拜中！ 非常感谢， 多谢楼主 正需要呢:) xiexie,好东西 好东西 谢谢啊