1 // flight.c -- a general interface to the various flight models
3 // Written by Curtis Olson, started May 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <simgear/constants.h>
27 #include <simgear/debug/logstream.hxx>
28 #include <simgear/math/sg_geodesy.hxx>
29 #include <simgear/timing/timestamp.hxx>
31 #include <Scenery/scenery.hxx>
32 #include <FDM/LaRCsim/ls_interface.h>
33 #include <Main/globals.hxx>
34 #include <Main/fg_props.hxx>
36 #include "External.hxx"
39 #include "LaRCsim.hxx"
43 // base_fdm_state is the internal state that is updated in integer
44 // multiples of "dt". This leads to "jitter" with respect to the real
45 // world time, so we introduce cur_fdm_state which is extrapolated by
46 // the difference between sim time and real world time
48 FGInterface *cur_fdm_state;
49 FGInterface base_fdm_state;
51 inline void init_vec(FG_VECTOR_3 vec) {
52 vec[0] = 0.0; vec[1] = 0.0; vec[2] = 0.0;
55 FGEngInterface::FGEngInterface() {
71 FGEngInterface::~FGEngInterface(void) {
76 FGInterface::FGInterface() {
77 init_vec( d_pilot_rp_body_v );
78 init_vec( d_cg_rp_body_v );
79 init_vec( f_body_total_v );
80 init_vec( f_local_total_v );
82 init_vec( f_engine_v );
84 init_vec( m_total_rp_v );
85 init_vec( m_total_cg_v );
87 init_vec( m_engine_v );
89 init_vec( v_dot_local_v );
90 init_vec( v_dot_body_v );
91 init_vec( a_cg_body_v );
92 init_vec( a_pilot_body_v );
93 init_vec( n_cg_body_v );
94 init_vec( n_pilot_body_v );
95 init_vec( omega_dot_body_v );
96 init_vec( v_local_v );
97 init_vec( v_local_rel_ground_v );
98 init_vec( v_local_airmass_v );
99 init_vec( v_local_rel_airmass_v );
100 init_vec( v_local_gust_v );
101 init_vec( v_wind_body_v );
102 init_vec( omega_body_v );
103 init_vec( omega_local_v );
104 init_vec( omega_total_v );
105 init_vec( euler_rates_v );
106 init_vec( geocentric_rates_v );
107 init_vec( geocentric_position_v );
108 init_vec( geodetic_position_v );
109 init_vec( euler_angles_v );
110 init_vec( d_cg_rwy_local_v );
111 init_vec( d_cg_rwy_rwy_v );
112 init_vec( d_pilot_rwy_local_v );
113 init_vec( d_pilot_rwy_rwy_v );
114 init_vec( t_local_to_body_m[0] );
115 init_vec( t_local_to_body_m[1] );
116 init_vec( t_local_to_body_m[2] );
118 mass=i_xx=i_yy=i_zz=i_xz=0;
120 v_rel_wind=v_true_kts=v_rel_ground=v_inertial=0;
121 v_ground_speed=v_equiv=v_equiv_kts=0;
122 v_calibrated=v_calibrated_kts=0;
124 centrifugal_relief=0;
125 alpha=beta=alpha_dot=beta_dot=0;
126 cos_alpha=sin_alpha=cos_beta=sin_beta=0;
127 cos_phi=sin_phi=cos_theta=sin_theta=cos_psi=sin_psi=0;
128 gamma_vert_rad=gamma_horiz_rad=0;
129 sigma=density=v_sound=mach_number=0;
130 static_pressure=total_pressure=impact_pressure=0;
132 static_temperature=total_temperature=0;
133 sea_level_radius=earth_position_angle=0;
134 runway_altitude=runway_latitude=runway_longitude=0;
138 sin_lat_geocentric=cos_lat_geocentric=0;
139 sin_latitude=cos_latitude=0;
140 sin_longitude=cos_longitude=0;
144 FGInterface::FGInterface( double dt ) {
148 remainder = elapsed = multi_loop = 0;
152 FGInterface::~FGInterface() {
153 // unbind(); // FIXME: should be called explicitly
166 fgTie("/fdm/time/delta_t", this,
167 &(FGInterface::get_delta_t));
169 // The following two can't be uncommented until we have support for
170 // the "long" data type in the property manager
171 /* fgTie("/fdm/time/elapsed", this,
172 &(FGInterface::get_elapsed));
173 fgTie("/fdm/time/remainder", this,
174 &(FGInterface::get_remainder); */
175 fgTie("/fdm/time/multi_loop", this,
176 &(FGInterface::get_multi_loop));
179 fgTie("/position/latitude", this,
180 &(FGInterface::get_Latitude_deg),
181 &(FGInterface::set_Latitude_deg));
182 fgTie("/position/longitude", this,
183 &(FGInterface::get_Longitude_deg),
184 &(FGInterface::set_Longitude_deg));
185 fgTie("/position/altitude", this,
186 &(FGInterface::get_Altitude),
187 &(FGInterface::set_Altitude));
188 fgTie("/position/altitude-agl", this,
189 &(FGInterface::get_Altitude_AGL)); // read-only
192 fgTie("/orientation/roll", this,
193 &(FGInterface::get_Phi_deg),
194 &(FGInterface::set_Phi_deg));
195 fgTie("/orientation/pitch", this,
196 &(FGInterface::get_Theta_deg),
197 &(FGInterface::set_Theta_deg));
198 fgTie("/orientation/heading", this,
199 &(FGInterface::get_Psi_deg),
200 &(FGInterface::set_Psi_deg));
202 // Calibrated airspeed
203 fgTie("/velocities/airspeed", this,
204 &(FGInterface::get_V_calibrated_kts),
205 &(FGInterface::set_V_calibrated_kts));
208 fgTie("/velocities/speed-north", this,
209 &(FGInterface::get_V_north));
210 fgTie("/velocities/speed-east", this,
211 &(FGInterface::get_V_east),
212 &(FGInterface::set_V_east));
213 fgTie("/velocities/speed-down", this,
214 &(FGInterface::get_V_down),
215 &(FGInterface::set_V_down));
218 fgTie("/velocities/uBody", this,
219 &(FGInterface::get_uBody),
220 &(FGInterface::set_uBody));
221 fgTie("/velocities/vBody", this,
222 &(FGInterface::get_vBody),
223 &(FGInterface::set_vBody));
224 fgTie("/velocities/wBody", this,
225 &(FGInterface::get_wBody),
226 &(FGInterface::set_wBody));
228 // Climb and slip (read-only)
229 fgTie("/velocities/vertical-speed", this,
230 &(FGInterface::get_Climb_Rate)); // read-only
231 fgTie("/velocities/side-slip", this,
232 &(FGInterface::get_Beta)); // read-only
236 FGInterface::unbind ()
238 fgUntie("/fdm/time/delta_t");
239 fgUntie("/fdm/time/elapsed");
240 fgUntie("/fdm/time/remainder");
241 fgUntie("/fdm/time/multi_loop");
242 fgUntie("/position/latitude");
243 fgUntie("/position/longitude");
244 fgUntie("/position/altitude");
245 fgUntie("/position/heading");
246 fgUntie("/position/pitch");
247 fgUntie("/position/roll");
248 fgUntie("/velocities/airspeed");
249 fgUntie("/velocities/speed-north");
250 fgUntie("/velocities/speed-east");
251 fgUntie("/velocities/speed-down");
252 fgUntie("/velocities/uBody");
253 fgUntie("/velocities/vBody");
254 fgUntie("/velocities/wBody");
255 fgUntie("/velocities/vertical-speed");
256 fgUntie("/velocities/side-slip");
260 FGInterface::update ()
266 bool FGInterface::update( int multi_loop ) {
267 cout << "dummy update() ... SHOULDN'T BE CALLED!" << endl;
272 void FGInterface::_updatePosition( double lat_geoc, double lon, double alt ) {
273 double lat_geod, tmp_alt, sl_radius1, sl_radius2, tmp_lat_geoc;
275 sgGeocToGeod( lat_geoc, EQUATORIAL_RADIUS_M + alt * FEET_TO_METER,
276 &lat_geod, &tmp_alt, &sl_radius1 );
277 sgGeodToGeoc( lat_geod, alt * FEET_TO_METER, &sl_radius2, &tmp_lat_geoc );
279 FG_LOG( FG_FLIGHT, FG_DEBUG, "lon = " << lon
280 << " lat_geod = " << lat_geod
281 << " lat_geoc = " << lat_geoc
283 << " tmp_alt = " << tmp_alt * METER_TO_FEET
284 << " sl_radius1 = " << sl_radius1 * METER_TO_FEET
285 << " sl_radius2 = " << sl_radius2 * METER_TO_FEET
286 << " Equator = " << EQUATORIAL_RADIUS_FT );
288 _set_Geocentric_Position( lat_geoc, lon,
289 sl_radius2 * METER_TO_FEET + alt );
291 _set_Geodetic_Position( lat_geod, lon, alt );
293 _set_Sea_level_radius( sl_radius2 * METER_TO_FEET );
294 _set_Runway_altitude( scenery.cur_elev*METERS_TO_FEET );
296 _set_sin_lat_geocentric( lat_geoc );
297 _set_cos_lat_geocentric( lat_geoc );
299 _set_sin_cos_longitude( lon );
301 _set_sin_cos_latitude( lat_geod );
303 /* Norman's code for slope of the terrain */
304 /* needs to be tested -- get it on the HUD and taxi around */
305 /* double *tnorm = scenery.cur_normal;
307 double sy = sin ( -get_Psi() ) ;
308 double cy = cos ( -get_Psi() ) ;
310 double phitb, thetatb, psitb;
311 if(tnorm[1] != 0.0) {
312 psitb = -atan2 ( tnorm[0], tnorm[1] );
314 if(tnorm[2] != 0.0) {
315 thetatb = atan2 ( tnorm[0] * cy - tnorm[1] * sy, tnorm[2] );
316 phitb = -atan2 ( tnorm[1] * cy + tnorm[0] * sy, tnorm[2] );
319 _set_terrain_slope(phitb, thetatb, psitb)
324 // Extrapolate fdm based on time_offset (in usec)
325 void FGInterface::extrapolate( int time_offset ) {
326 double dt = time_offset / 1000000.0;
328 // -dw- metrowerks complains about ambiguous access, not critical
331 cout << "extrapolating FDM by dt = " << dt << endl;
334 double lat = geodetic_position_v[0] + geocentric_rates_v[0] * dt;
335 double lat_geoc = geocentric_position_v[0] + geocentric_rates_v[0] * dt;
337 double lon = geodetic_position_v[1] + geocentric_rates_v[1] * dt;
338 double lon_geoc = geocentric_position_v[1] + geocentric_rates_v[1] * dt;
340 double alt = geodetic_position_v[2] + geocentric_rates_v[2] * dt;
341 double radius = geocentric_position_v[2] + geocentric_rates_v[2] * dt;
343 geodetic_position_v[0] = lat;
344 geocentric_position_v[0] = lat_geoc;
346 geodetic_position_v[1] = lon;
347 geocentric_position_v[1] = lon_geoc;
349 geodetic_position_v[2] = alt;
350 geocentric_position_v[2] = radius;
354 // Set the altitude (force)
355 void fgFDMForceAltitude(const string &model, double alt_meters) {
356 double sea_level_radius_meters;
359 // Set the FG variables first
360 sgGeodToGeoc( base_fdm_state.get_Latitude(), alt_meters,
361 &sea_level_radius_meters, &lat_geoc);
363 base_fdm_state.set_Altitude( alt_meters * METER_TO_FEET );
364 base_fdm_state.set_Sea_level_radius( sea_level_radius_meters *
368 // additional work needed for some flight models
369 if ( model == "larcsim" ) {
370 ls_ForceAltitude( base_fdm_state.get_Altitude() );
375 // Set the local ground elevation
376 void fgFDMSetGroundElevation(const string &model, double ground_meters) {
377 FG_LOG( FG_FLIGHT,FG_INFO, "fgFDMSetGroundElevation: "
378 << ground_meters*METER_TO_FEET );
379 base_fdm_state.set_Runway_altitude( ground_meters * METER_TO_FEET );
380 cur_fdm_state->set_Runway_altitude( ground_meters * METER_TO_FEET );
385 void FGInterface::set_Latitude(double lat) {
386 geodetic_position_v[0] = lat;
389 void FGInterface::set_Longitude(double lon) {
390 geodetic_position_v[1] = lon;
393 void FGInterface::set_Altitude(double alt) {
394 geodetic_position_v[2] = alt;
397 void FGInterface::set_AltitudeAGL(double altagl) {
402 void FGInterface::set_V_calibrated_kts(double vc) {
403 v_calibrated_kts = vc;
406 void FGInterface::set_Mach_number(double mach) {
410 void FGInterface::set_Velocities_Local( double north,
413 v_local_v[0] = north;
418 void FGInterface::set_Velocities_Wind_Body( double u,
421 v_wind_body_v[0] = u;
422 v_wind_body_v[1] = v;
423 v_wind_body_v[2] = w;
427 void FGInterface::set_Euler_Angles( double phi,
430 euler_angles_v[0] = phi;
431 euler_angles_v[1] = theta;
432 euler_angles_v[2] = psi;
436 void FGInterface::set_Climb_Rate( double roc) {
440 void FGInterface::set_Gamma_vert_rad( double gamma) {
441 gamma_vert_rad = gamma;
445 void FGInterface::set_Sea_level_radius(double slr) {
446 sea_level_radius = slr;
449 void FGInterface::set_Runway_altitude(double ralt) {
450 runway_altitude = ralt;
453 void FGInterface::set_Static_pressure(double p) { static_pressure = p; }
454 void FGInterface::set_Static_temperature(double T) { static_temperature = T; }
455 void FGInterface::set_Density(double rho) { density = rho; }
457 void FGInterface::set_Velocities_Local_Airmass (double wnorth,
460 v_local_airmass_v[0] = wnorth;
461 v_local_airmass_v[1] = weast;
462 v_local_airmass_v[2] = wdown;
466 void FGInterface::_busdump(void) {
468 FG_LOG(FG_FLIGHT,FG_INFO,"d_pilot_rp_body_v[3]: " << d_pilot_rp_body_v[0] << ", " << d_pilot_rp_body_v[1] << ", " << d_pilot_rp_body_v[2]);
469 FG_LOG(FG_FLIGHT,FG_INFO,"d_cg_rp_body_v[3]: " << d_cg_rp_body_v[0] << ", " << d_cg_rp_body_v[1] << ", " << d_cg_rp_body_v[2]);
470 FG_LOG(FG_FLIGHT,FG_INFO,"f_body_total_v[3]: " << f_body_total_v[0] << ", " << f_body_total_v[1] << ", " << f_body_total_v[2]);
471 FG_LOG(FG_FLIGHT,FG_INFO,"f_local_total_v[3]: " << f_local_total_v[0] << ", " << f_local_total_v[1] << ", " << f_local_total_v[2]);
472 FG_LOG(FG_FLIGHT,FG_INFO,"f_aero_v[3]: " << f_aero_v[0] << ", " << f_aero_v[1] << ", " << f_aero_v[2]);
473 FG_LOG(FG_FLIGHT,FG_INFO,"f_engine_v[3]: " << f_engine_v[0] << ", " << f_engine_v[1] << ", " << f_engine_v[2]);
474 FG_LOG(FG_FLIGHT,FG_INFO,"f_gear_v[3]: " << f_gear_v[0] << ", " << f_gear_v[1] << ", " << f_gear_v[2]);
475 FG_LOG(FG_FLIGHT,FG_INFO,"m_total_rp_v[3]: " << m_total_rp_v[0] << ", " << m_total_rp_v[1] << ", " << m_total_rp_v[2]);
476 FG_LOG(FG_FLIGHT,FG_INFO,"m_total_cg_v[3]: " << m_total_cg_v[0] << ", " << m_total_cg_v[1] << ", " << m_total_cg_v[2]);
477 FG_LOG(FG_FLIGHT,FG_INFO,"m_aero_v[3]: " << m_aero_v[0] << ", " << m_aero_v[1] << ", " << m_aero_v[2]);
478 FG_LOG(FG_FLIGHT,FG_INFO,"m_engine_v[3]: " << m_engine_v[0] << ", " << m_engine_v[1] << ", " << m_engine_v[2]);
479 FG_LOG(FG_FLIGHT,FG_INFO,"m_gear_v[3]: " << m_gear_v[0] << ", " << m_gear_v[1] << ", " << m_gear_v[2]);
480 FG_LOG(FG_FLIGHT,FG_INFO,"v_dot_local_v[3]: " << v_dot_local_v[0] << ", " << v_dot_local_v[1] << ", " << v_dot_local_v[2]);
481 FG_LOG(FG_FLIGHT,FG_INFO,"v_dot_body_v[3]: " << v_dot_body_v[0] << ", " << v_dot_body_v[1] << ", " << v_dot_body_v[2]);
482 FG_LOG(FG_FLIGHT,FG_INFO,"a_cg_body_v[3]: " << a_cg_body_v[0] << ", " << a_cg_body_v[1] << ", " << a_cg_body_v[2]);
483 FG_LOG(FG_FLIGHT,FG_INFO,"a_pilot_body_v[3]: " << a_pilot_body_v[0] << ", " << a_pilot_body_v[1] << ", " << a_pilot_body_v[2]);
484 FG_LOG(FG_FLIGHT,FG_INFO,"n_cg_body_v[3]: " << n_cg_body_v[0] << ", " << n_cg_body_v[1] << ", " << n_cg_body_v[2]);
485 FG_LOG(FG_FLIGHT,FG_INFO,"n_pilot_body_v[3]: " << n_pilot_body_v[0] << ", " << n_pilot_body_v[1] << ", " << n_pilot_body_v[2]);
486 FG_LOG(FG_FLIGHT,FG_INFO,"omega_dot_body_v[3]: " << omega_dot_body_v[0] << ", " << omega_dot_body_v[1] << ", " << omega_dot_body_v[2]);
487 FG_LOG(FG_FLIGHT,FG_INFO,"v_local_v[3]: " << v_local_v[0] << ", " << v_local_v[1] << ", " << v_local_v[2]);
488 FG_LOG(FG_FLIGHT,FG_INFO,"v_local_rel_ground_v[3]: " << v_local_rel_ground_v[0] << ", " << v_local_rel_ground_v[1] << ", " << v_local_rel_ground_v[2]);
489 FG_LOG(FG_FLIGHT,FG_INFO,"v_local_airmass_v[3]: " << v_local_airmass_v[0] << ", " << v_local_airmass_v[1] << ", " << v_local_airmass_v[2]);
490 FG_LOG(FG_FLIGHT,FG_INFO,"v_local_rel_airmass_v[3]: " << v_local_rel_airmass_v[0] << ", " << v_local_rel_airmass_v[1] << ", " << v_local_rel_airmass_v[2]);
491 FG_LOG(FG_FLIGHT,FG_INFO,"v_local_gust_v[3]: " << v_local_gust_v[0] << ", " << v_local_gust_v[1] << ", " << v_local_gust_v[2]);
492 FG_LOG(FG_FLIGHT,FG_INFO,"v_wind_body_v[3]: " << v_wind_body_v[0] << ", " << v_wind_body_v[1] << ", " << v_wind_body_v[2]);
493 FG_LOG(FG_FLIGHT,FG_INFO,"omega_body_v[3]: " << omega_body_v[0] << ", " << omega_body_v[1] << ", " << omega_body_v[2]);
494 FG_LOG(FG_FLIGHT,FG_INFO,"omega_local_v[3]: " << omega_local_v[0] << ", " << omega_local_v[1] << ", " << omega_local_v[2]);
495 FG_LOG(FG_FLIGHT,FG_INFO,"omega_total_v[3]: " << omega_total_v[0] << ", " << omega_total_v[1] << ", " << omega_total_v[2]);
496 FG_LOG(FG_FLIGHT,FG_INFO,"euler_rates_v[3]: " << euler_rates_v[0] << ", " << euler_rates_v[1] << ", " << euler_rates_v[2]);
497 FG_LOG(FG_FLIGHT,FG_INFO,"geocentric_rates_v[3]: " << geocentric_rates_v[0] << ", " << geocentric_rates_v[1] << ", " << geocentric_rates_v[2]);
498 FG_LOG(FG_FLIGHT,FG_INFO,"geocentric_position_v[3]: " << geocentric_position_v[0] << ", " << geocentric_position_v[1] << ", " << geocentric_position_v[2]);
499 FG_LOG(FG_FLIGHT,FG_INFO,"geodetic_position_v[3]: " << geodetic_position_v[0] << ", " << geodetic_position_v[1] << ", " << geodetic_position_v[2]);
500 FG_LOG(FG_FLIGHT,FG_INFO,"euler_angles_v[3]: " << euler_angles_v[0] << ", " << euler_angles_v[1] << ", " << euler_angles_v[2]);
501 FG_LOG(FG_FLIGHT,FG_INFO,"d_cg_rwy_local_v[3]: " << d_cg_rwy_local_v[0] << ", " << d_cg_rwy_local_v[1] << ", " << d_cg_rwy_local_v[2]);
502 FG_LOG(FG_FLIGHT,FG_INFO,"d_cg_rwy_rwy_v[3]: " << d_cg_rwy_rwy_v[0] << ", " << d_cg_rwy_rwy_v[1] << ", " << d_cg_rwy_rwy_v[2]);
503 FG_LOG(FG_FLIGHT,FG_INFO,"d_pilot_rwy_local_v[3]: " << d_pilot_rwy_local_v[0] << ", " << d_pilot_rwy_local_v[1] << ", " << d_pilot_rwy_local_v[2]);
504 FG_LOG(FG_FLIGHT,FG_INFO,"d_pilot_rwy_rwy_v[3]: " << d_pilot_rwy_rwy_v[0] << ", " << d_pilot_rwy_rwy_v[1] << ", " << d_pilot_rwy_rwy_v[2]);
506 FG_LOG(FG_FLIGHT,FG_INFO,"t_local_to_body_m[0][3]: " << t_local_to_body_m[0][0] << ", " << t_local_to_body_m[0][1] << ", " << t_local_to_body_m[0][2]);
507 FG_LOG(FG_FLIGHT,FG_INFO,"t_local_to_body_m[1][3]: " << t_local_to_body_m[1][0] << ", " << t_local_to_body_m[1][1] << ", " << t_local_to_body_m[1][2]);
508 FG_LOG(FG_FLIGHT,FG_INFO,"t_local_to_body_m[2][3]: " << t_local_to_body_m[2][0] << ", " << t_local_to_body_m[2][1] << ", " << t_local_to_body_m[2][2]);
510 FG_LOG(FG_FLIGHT,FG_INFO,"mass: " << mass );
511 FG_LOG(FG_FLIGHT,FG_INFO,"i_xx: " << i_xx );
512 FG_LOG(FG_FLIGHT,FG_INFO,"i_yy: " << i_yy );
513 FG_LOG(FG_FLIGHT,FG_INFO,"i_zz: " << i_zz );
514 FG_LOG(FG_FLIGHT,FG_INFO,"i_xz: " << i_xz );
515 FG_LOG(FG_FLIGHT,FG_INFO,"nlf: " << nlf );
516 FG_LOG(FG_FLIGHT,FG_INFO,"v_rel_wind: " << v_rel_wind );
517 FG_LOG(FG_FLIGHT,FG_INFO,"v_true_kts: " << v_true_kts );
518 FG_LOG(FG_FLIGHT,FG_INFO,"v_rel_ground: " << v_rel_ground );
519 FG_LOG(FG_FLIGHT,FG_INFO,"v_inertial: " << v_inertial );
520 FG_LOG(FG_FLIGHT,FG_INFO,"v_ground_speed: " << v_ground_speed );
521 FG_LOG(FG_FLIGHT,FG_INFO,"v_equiv: " << v_equiv );
522 FG_LOG(FG_FLIGHT,FG_INFO,"v_equiv_kts: " << v_equiv_kts );
523 FG_LOG(FG_FLIGHT,FG_INFO,"v_calibrated: " << v_calibrated );
524 FG_LOG(FG_FLIGHT,FG_INFO,"v_calibrated_kts: " << v_calibrated_kts );
525 FG_LOG(FG_FLIGHT,FG_INFO,"gravity: " << gravity );
526 FG_LOG(FG_FLIGHT,FG_INFO,"centrifugal_relief: " << centrifugal_relief );
527 FG_LOG(FG_FLIGHT,FG_INFO,"alpha: " << alpha );
528 FG_LOG(FG_FLIGHT,FG_INFO,"beta: " << beta );
529 FG_LOG(FG_FLIGHT,FG_INFO,"alpha_dot: " << alpha_dot );
530 FG_LOG(FG_FLIGHT,FG_INFO,"beta_dot: " << beta_dot );
531 FG_LOG(FG_FLIGHT,FG_INFO,"cos_alpha: " << cos_alpha );
532 FG_LOG(FG_FLIGHT,FG_INFO,"sin_alpha: " << sin_alpha );
533 FG_LOG(FG_FLIGHT,FG_INFO,"cos_beta: " << cos_beta );
534 FG_LOG(FG_FLIGHT,FG_INFO,"sin_beta: " << sin_beta );
535 FG_LOG(FG_FLIGHT,FG_INFO,"cos_phi: " << cos_phi );
536 FG_LOG(FG_FLIGHT,FG_INFO,"sin_phi: " << sin_phi );
537 FG_LOG(FG_FLIGHT,FG_INFO,"cos_theta: " << cos_theta );
538 FG_LOG(FG_FLIGHT,FG_INFO,"sin_theta: " << sin_theta );
539 FG_LOG(FG_FLIGHT,FG_INFO,"cos_psi: " << cos_psi );
540 FG_LOG(FG_FLIGHT,FG_INFO,"sin_psi: " << sin_psi );
541 FG_LOG(FG_FLIGHT,FG_INFO,"gamma_vert_rad: " << gamma_vert_rad );
542 FG_LOG(FG_FLIGHT,FG_INFO,"gamma_horiz_rad: " << gamma_horiz_rad );
543 FG_LOG(FG_FLIGHT,FG_INFO,"sigma: " << sigma );
544 FG_LOG(FG_FLIGHT,FG_INFO,"density: " << density );
545 FG_LOG(FG_FLIGHT,FG_INFO,"v_sound: " << v_sound );
546 FG_LOG(FG_FLIGHT,FG_INFO,"mach_number: " << mach_number );
547 FG_LOG(FG_FLIGHT,FG_INFO,"static_pressure: " << static_pressure );
548 FG_LOG(FG_FLIGHT,FG_INFO,"total_pressure: " << total_pressure );
549 FG_LOG(FG_FLIGHT,FG_INFO,"impact_pressure: " << impact_pressure );
550 FG_LOG(FG_FLIGHT,FG_INFO,"dynamic_pressure: " << dynamic_pressure );
551 FG_LOG(FG_FLIGHT,FG_INFO,"static_temperature: " << static_temperature );
552 FG_LOG(FG_FLIGHT,FG_INFO,"total_temperature: " << total_temperature );
553 FG_LOG(FG_FLIGHT,FG_INFO,"sea_level_radius: " << sea_level_radius );
554 FG_LOG(FG_FLIGHT,FG_INFO,"earth_position_angle: " << earth_position_angle );
555 FG_LOG(FG_FLIGHT,FG_INFO,"runway_altitude: " << runway_altitude );
556 FG_LOG(FG_FLIGHT,FG_INFO,"runway_latitude: " << runway_latitude );
557 FG_LOG(FG_FLIGHT,FG_INFO,"runway_longitude: " << runway_longitude );
558 FG_LOG(FG_FLIGHT,FG_INFO,"runway_heading: " << runway_heading );
559 FG_LOG(FG_FLIGHT,FG_INFO,"radius_to_rwy: " << radius_to_rwy );
560 FG_LOG(FG_FLIGHT,FG_INFO,"climb_rate: " << climb_rate );
561 FG_LOG(FG_FLIGHT,FG_INFO,"sin_lat_geocentric: " << sin_lat_geocentric );
562 FG_LOG(FG_FLIGHT,FG_INFO,"cos_lat_geocentric: " << cos_lat_geocentric );
563 FG_LOG(FG_FLIGHT,FG_INFO,"sin_longitude: " << sin_longitude );
564 FG_LOG(FG_FLIGHT,FG_INFO,"cos_longitude: " << cos_longitude );
565 FG_LOG(FG_FLIGHT,FG_INFO,"sin_latitude: " << sin_latitude );
566 FG_LOG(FG_FLIGHT,FG_INFO,"cos_latitude: " << cos_latitude );
567 FG_LOG(FG_FLIGHT,FG_INFO,"altitude_agl: " << altitude_agl );