src/FDM/flight.cxx

   1 // flight.c -- a general interface to the various flight models
   2 //
   3 // Written by Curtis Olson, started May 1997.
   4 //
   5 // Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
   6 //
   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.
  11 //
  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.
  16 //
  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.
  20 //
  21 // $Id$
  22
  23
  24 #include <stdio.h>
  25
  26 #include <simgear/constants.h>
  27 #include <simgear/debug/logstream.hxx>
  28 #include <simgear/math/sg_geodesy.hxx>
  29
  30 #include <Scenery/scenery.hxx>
  31 #include <FDM/LaRCsim/ls_interface.h>
  32 #include <Main/globals.hxx>
  33 #include <Time/timestamp.hxx>
  34
  35 #include "External.hxx"
  36 #include "flight.hxx"
  37 #include "JSBSim.hxx"
  38 #include "LaRCsim.hxx"
  39 #include "Balloon.h"
  40
  41
  42 // base_fdm_state is the internal state that is updated in integer
  43 // multiples of "dt".  This leads to "jitter" with respect to the real
  44 // world time, so we introduce cur_fdm_state which is extrapolated by
  45 // the difference between sim time and real world time
  46
  47 FGInterface *cur_fdm_state;
  48 FGInterface base_fdm_state;
  49
  50 inline void init_vec(FG_VECTOR_3 vec) {
  51     vec[0] = 0.0; vec[1] = 0.0; vec[2] = 0.0;
  52 }
  53
  54 FGEngInterface::FGEngInterface(void) {
  55
  56     // inputs
  57     Throttle=0;
  58     Mixture=0;
  59     Prop_Advance=0;
  60
  61     // outputs
  62     RPM=0;
  63     Manifold_Pressure=0;
  64     MaxHP=0;
  65     Percentage_Power=0;
  66     EGT=0;
  67     prop_thrust=0;
  68 }
  69
  70 FGEngInterface::~FGEngInterface(void) {
  71 }
  72
  73
  74 // Constructor
  75 FGInterface::FGInterface(void) {
  76     init_vec( d_pilot_rp_body_v );
  77     init_vec( d_cg_rp_body_v );
  78     init_vec( f_body_total_v );
  79     init_vec( f_local_total_v );
  80     init_vec( f_aero_v );
  81     init_vec( f_engine_v );
  82     init_vec( f_gear_v );
  83     init_vec( m_total_rp_v );
  84     init_vec( m_total_cg_v );
  85     init_vec( m_aero_v );
  86     init_vec( m_engine_v );
  87     init_vec( m_gear_v );
  88     init_vec( v_dot_local_v );
  89     init_vec( v_dot_body_v );
  90     init_vec( a_cg_body_v );
  91     init_vec( a_pilot_body_v );
  92     init_vec( n_cg_body_v );
  93     init_vec( n_pilot_body_v );
  94     init_vec( omega_dot_body_v );
  95     init_vec( v_local_v );
  96     init_vec( v_local_rel_ground_v );
  97     init_vec( v_local_airmass_v );
  98     init_vec( v_local_rel_airmass_v );
  99     init_vec( v_local_gust_v );
 100     init_vec( v_wind_body_v );
 101     init_vec( omega_body_v );
 102     init_vec( omega_local_v );
 103     init_vec( omega_total_v );
 104     init_vec( euler_rates_v );
 105     init_vec( geocentric_rates_v );
 106     init_vec( geocentric_position_v );
 107     init_vec( geodetic_position_v );
 108     init_vec( euler_angles_v );
 109     init_vec( d_cg_rwy_local_v );
 110     init_vec( d_cg_rwy_rwy_v );
 111     init_vec( d_pilot_rwy_local_v );
 112     init_vec( d_pilot_rwy_rwy_v );
 113     init_vec( t_local_to_body_m[0] );
 114     init_vec( t_local_to_body_m[1] );
 115     init_vec( t_local_to_body_m[2] );
 116
 117     mass=i_xx=i_yy=i_zz=i_xz=0;
 118     nlf=0;
 119     v_rel_wind=v_true_kts=v_rel_ground=v_inertial=0;
 120     v_ground_speed=v_equiv=v_equiv_kts=0;
 121     v_calibrated=v_calibrated_kts=0;
 122     gravity=0;
 123     centrifugal_relief=0;
 124     alpha=beta=alpha_dot=beta_dot=0;
 125     cos_alpha=sin_alpha=cos_beta=sin_beta=0;
 126     cos_phi=sin_phi=cos_theta=sin_theta=cos_psi=sin_psi=0;
 127     gamma_vert_rad=gamma_horiz_rad=0;
 128     sigma=density=v_sound=mach_number=0;
 129     static_pressure=total_pressure=impact_pressure=0;
 130     dynamic_pressure=0;
 131     static_temperature=total_temperature=0;
 132     sea_level_radius=earth_position_angle=0;
 133     runway_altitude=runway_latitude=runway_longitude=0;
 134     runway_heading=0;
 135     radius_to_rwy=0;
 136     climb_rate=0;
 137     sin_lat_geocentric=cos_lat_geocentric=0;
 138     sin_latitude=cos_latitude=0;
 139     sin_longitude=cos_longitude=0;
 140     altitude_agl=0;
 141 }
 142
 143
 144 // Destructor
 145 FGInterface::~FGInterface() {
 146 }
 147
 148
 149 bool FGInterface::init( double dt ) {
 150     cout << "dummy init() ... SHOULDN'T BE CALLED!" << endl;
 151     return false;
 152 }
 153
 154
 155 bool FGInterface::update( int multi_loop ) {
 156     cout << "dummy update() ... SHOULDN'T BE CALLED!" << endl;
 157     return false;
 158 }
 159
 160
 161 void FGInterface::_updatePosition( double lat_geoc, double lon, double alt ) {
 162     double lat_geod, tmp_alt, sl_radius1, sl_radius2, tmp_lat_geoc;
 163
 164     sgGeocToGeod( lat_geoc, EQUATORIAL_RADIUS_M + alt * FEET_TO_METER,
 165                   &lat_geod, &tmp_alt, &sl_radius1 );
 166     sgGeodToGeoc( lat_geod, alt * FEET_TO_METER, &sl_radius2, &tmp_lat_geoc );
 167
 168     FG_LOG( FG_FLIGHT, FG_DEBUG, "lon = " << lon
 169             << " lat_geod = " << lat_geod
 170             << " lat_geoc = " << lat_geoc
 171             << " alt = " << alt
 172             << " tmp_alt = " << tmp_alt * METER_TO_FEET
 173             << " sl_radius1 = " << sl_radius1 * METER_TO_FEET
 174             << " sl_radius2 = " << sl_radius2 * METER_TO_FEET
 175             << " Equator = " << EQUATORIAL_RADIUS_FT );
 176
 177     _set_Geocentric_Position( lat_geoc, lon,
 178                               sl_radius2 * METER_TO_FEET + alt );
 179
 180     _set_Geodetic_Position( lat_geod, lon, alt );
 181
 182     _set_Sea_level_radius( sl_radius2 * METER_TO_FEET );
 183     _set_Runway_altitude( scenery.cur_elev*METERS_TO_FEET );
 184
 185     _set_sin_lat_geocentric( lat_geoc );
 186     _set_cos_lat_geocentric( lat_geoc );
 187
 188     _set_sin_cos_longitude( lon );
 189
 190     _set_sin_cos_latitude( lat_geod );
 191
 192     /* Norman's code for slope of the terrain */
 193     /* needs to be tested -- get it on the HUD and taxi around */
 194     /* double *tnorm = scenery.cur_normal;
 195
 196        double sy = sin ( -get_Psi() ) ;
 197        double cy = cos ( -get_Psi() ) ;
 198
 199        double phitb, thetatb, psitb;
 200        if(tnorm[1] != 0.0) {
 201                 psitb = -atan2 ( tnorm[0], tnorm[1] );
 202        }
 203        if(tnorm[2] != 0.0) {
 204                 thetatb =  atan2 ( tnorm[0] * cy - tnorm[1] * sy, tnorm[2] );
 205                 phitb = -atan2 ( tnorm[1] * cy + tnorm[0] * sy, tnorm[2] );
 206        }
 207
 208        _set_terrain_slope(phitb, thetatb, psitb)
 209      */
 210 }
 211
 212
 213 // Extrapolate fdm based on time_offset (in usec)
 214 void FGInterface::extrapolate( int time_offset ) {
 215     double dt = time_offset / 1000000.0;
 216
 217     // -dw- metrowerks complains about ambiguous access, not critical
 218     // to keep this ;)
 219 #ifndef __MWERKS__
 220     cout << "extrapolating FDM by dt = " << dt << endl;
 221 #endif
 222
 223     double lat = geodetic_position_v[0] + geocentric_rates_v[0] * dt;
 224     double lat_geoc = geocentric_position_v[0] + geocentric_rates_v[0] * dt;
 225
 226     double lon = geodetic_position_v[1] + geocentric_rates_v[1] * dt;
 227     double lon_geoc = geocentric_position_v[1] + geocentric_rates_v[1] * dt;
 228
 229     double alt = geodetic_position_v[2] + geocentric_rates_v[2] * dt;
 230     double radius = geocentric_position_v[2] + geocentric_rates_v[2] * dt;
 231
 232     geodetic_position_v[0] = lat;
 233     geocentric_position_v[0] = lat_geoc;
 234
 235     geodetic_position_v[1] = lon;
 236     geocentric_position_v[1] = lon_geoc;
 237
 238     geodetic_position_v[2] = alt;
 239     geocentric_position_v[2] = radius;
 240 }
 241
 242
 243 // Set the altitude (force)
 244 void fgFDMForceAltitude(int model, double alt_meters) {
 245     double sea_level_radius_meters;
 246     double lat_geoc;
 247
 248     // Set the FG variables first
 249     sgGeodToGeoc( base_fdm_state.get_Latitude(), alt_meters,
 250                   &sea_level_radius_meters, &lat_geoc);
 251
 252     base_fdm_state.set_Altitude( alt_meters * METER_TO_FEET );
 253     base_fdm_state.set_Sea_level_radius( sea_level_radius_meters *
 254                                          METER_TO_FEET );
 255
 256
 257     // additional work needed for some flight models
 258     if ( model == FGInterface::FG_LARCSIM ) {
 259         ls_ForceAltitude( base_fdm_state.get_Altitude() );
 260     }
 261 }
 262
 263
 264 // Set the local ground elevation
 265 void fgFDMSetGroundElevation(int model, double ground_meters) {
 266     FG_LOG( FG_FLIGHT,FG_INFO, "fgFDMSetGroundElevation: "
 267             << ground_meters*METER_TO_FEET );
 268     base_fdm_state.set_Runway_altitude( ground_meters * METER_TO_FEET );
 269     cur_fdm_state->set_Runway_altitude( ground_meters * METER_TO_FEET );
 270 }
 271
 272
 273 // Positions
 274 void FGInterface::set_Latitude(double lat) {
 275     geodetic_position_v[0] = lat;
 276 }
 277
 278 void FGInterface::set_Longitude(double lon) {
 279     geodetic_position_v[1] = lon;
 280 }
 281
 282 void FGInterface::set_Altitude(double alt) {
 283     geodetic_position_v[2] = alt;
 284 }
 285
 286 void FGInterface::set_AltitudeAGL(double altagl) {
 287     altitude_agl=altagl;
 288 }
 289
 290 // Velocities
 291 void FGInterface::set_V_calibrated_kts(double vc) {
 292     v_calibrated_kts = vc;
 293 }
 294
 295 void FGInterface::set_Mach_number(double mach) {
 296     mach_number = mach;
 297 }
 298
 299 void FGInterface::set_Velocities_Local( double north,
 300                                         double east,
 301                                         double down ){
 302     v_local_v[0] = north;
 303     v_local_v[1] = east;
 304     v_local_v[2] = down;
 305 }
 306
 307 void FGInterface::set_Velocities_Wind_Body( double u,
 308                                             double v,
 309                                             double w){
 310     v_wind_body_v[0] = u;
 311     v_wind_body_v[1] = v;
 312     v_wind_body_v[2] = w;
 313 }
 314
 315 // Euler angles
 316 void FGInterface::set_Euler_Angles( double phi,
 317                                     double theta,
 318                                     double psi ) {
 319     euler_angles_v[0] = phi;
 320     euler_angles_v[1] = theta;
 321     euler_angles_v[2] = psi;
 322 }
 323
 324 // Flight Path
 325 void FGInterface::set_Climb_Rate( double roc) {
 326     climb_rate = roc;
 327 }
 328
 329 void FGInterface::set_Gamma_vert_rad( double gamma) {
 330     gamma_vert_rad = gamma;
 331 }
 332
 333 // Earth
 334 void FGInterface::set_Sea_level_radius(double slr) {
 335     sea_level_radius = slr;
 336 }
 337
 338 void FGInterface::set_Runway_altitude(double ralt) {
 339     runway_altitude = ralt;
 340 }
 341
 342 void FGInterface::set_Static_pressure(double p) { static_pressure = p; }
 343 void FGInterface::set_Static_temperature(double T) { static_temperature = T; }
 344 void FGInterface::set_Density(double rho) { density = rho; }
 345
 346 void FGInterface::set_Velocities_Local_Airmass (double wnorth,
 347                                                 double weast,
 348                                                 double wdown ) {
 349     v_local_airmass_v[0] = wnorth;
 350     v_local_airmass_v[1] = weast;
 351     v_local_airmass_v[2] = wdown;
 352 }
 353
 354
 355 void FGInterface::_busdump(void) {
 356
 357     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]);
 358     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]);
 359     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]);
 360     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]);
 361     FG_LOG(FG_FLIGHT,FG_INFO,"f_aero_v[3]: " << f_aero_v[0] << ", " << f_aero_v[1] << ", " << f_aero_v[2]);
 362     FG_LOG(FG_FLIGHT,FG_INFO,"f_engine_v[3]: " << f_engine_v[0] << ", " << f_engine_v[1] << ", " << f_engine_v[2]);
 363     FG_LOG(FG_FLIGHT,FG_INFO,"f_gear_v[3]: " << f_gear_v[0] << ", " << f_gear_v[1] << ", " << f_gear_v[2]);
 364     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]);
 365     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]);
 366     FG_LOG(FG_FLIGHT,FG_INFO,"m_aero_v[3]: " << m_aero_v[0] << ", " << m_aero_v[1] << ", " << m_aero_v[2]);
 367     FG_LOG(FG_FLIGHT,FG_INFO,"m_engine_v[3]: " << m_engine_v[0] << ", " << m_engine_v[1] << ", " << m_engine_v[2]);
 368     FG_LOG(FG_FLIGHT,FG_INFO,"m_gear_v[3]: " << m_gear_v[0] << ", " << m_gear_v[1] << ", " << m_gear_v[2]);
 369     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]);
 370     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]);
 371     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]);
 372     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]);
 373     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]);
 374     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]);
 375     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]);
 376     FG_LOG(FG_FLIGHT,FG_INFO,"v_local_v[3]: " << v_local_v[0] << ", " << v_local_v[1] << ", " << v_local_v[2]);
 377     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]);
 378     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]);
 379     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]);
 380     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]);
 381     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]);
 382     FG_LOG(FG_FLIGHT,FG_INFO,"omega_body_v[3]: " << omega_body_v[0] << ", " << omega_body_v[1] << ", " << omega_body_v[2]);
 383     FG_LOG(FG_FLIGHT,FG_INFO,"omega_local_v[3]: " << omega_local_v[0] << ", " << omega_local_v[1] << ", " << omega_local_v[2]);
 384     FG_LOG(FG_FLIGHT,FG_INFO,"omega_total_v[3]: " << omega_total_v[0] << ", " << omega_total_v[1] << ", " << omega_total_v[2]);
 385     FG_LOG(FG_FLIGHT,FG_INFO,"euler_rates_v[3]: " << euler_rates_v[0] << ", " << euler_rates_v[1] << ", " << euler_rates_v[2]);
 386     FG_LOG(FG_FLIGHT,FG_INFO,"geocentric_rates_v[3]: " << geocentric_rates_v[0] << ", " << geocentric_rates_v[1] << ", " << geocentric_rates_v[2]);
 387     FG_LOG(FG_FLIGHT,FG_INFO,"geocentric_position_v[3]: " << geocentric_position_v[0] << ", " << geocentric_position_v[1] << ", " << geocentric_position_v[2]);
 388     FG_LOG(FG_FLIGHT,FG_INFO,"geodetic_position_v[3]: " << geodetic_position_v[0] << ", " << geodetic_position_v[1] << ", " << geodetic_position_v[2]);
 389     FG_LOG(FG_FLIGHT,FG_INFO,"euler_angles_v[3]: " << euler_angles_v[0] << ", " << euler_angles_v[1] << ", " << euler_angles_v[2]);
 390     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]);
 391     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]);
 392     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]);
 393     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]);
 394
 395     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]);
 396     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]);
 397     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]);
 398
 399     FG_LOG(FG_FLIGHT,FG_INFO,"mass: " << mass );
 400     FG_LOG(FG_FLIGHT,FG_INFO,"i_xx: " << i_xx );
 401     FG_LOG(FG_FLIGHT,FG_INFO,"i_yy: " << i_yy );
 402     FG_LOG(FG_FLIGHT,FG_INFO,"i_zz: " << i_zz );
 403     FG_LOG(FG_FLIGHT,FG_INFO,"i_xz: " << i_xz );
 404     FG_LOG(FG_FLIGHT,FG_INFO,"nlf: " << nlf );
 405     FG_LOG(FG_FLIGHT,FG_INFO,"v_rel_wind: " << v_rel_wind );
 406     FG_LOG(FG_FLIGHT,FG_INFO,"v_true_kts: " << v_true_kts );
 407     FG_LOG(FG_FLIGHT,FG_INFO,"v_rel_ground: " << v_rel_ground );
 408     FG_LOG(FG_FLIGHT,FG_INFO,"v_inertial: " << v_inertial );
 409     FG_LOG(FG_FLIGHT,FG_INFO,"v_ground_speed: " << v_ground_speed );
 410     FG_LOG(FG_FLIGHT,FG_INFO,"v_equiv: " << v_equiv );
 411     FG_LOG(FG_FLIGHT,FG_INFO,"v_equiv_kts: " << v_equiv_kts );
 412     FG_LOG(FG_FLIGHT,FG_INFO,"v_calibrated: " << v_calibrated );
 413     FG_LOG(FG_FLIGHT,FG_INFO,"v_calibrated_kts: " << v_calibrated_kts );
 414     FG_LOG(FG_FLIGHT,FG_INFO,"gravity: " << gravity );
 415     FG_LOG(FG_FLIGHT,FG_INFO,"centrifugal_relief: " << centrifugal_relief );
 416     FG_LOG(FG_FLIGHT,FG_INFO,"alpha: " << alpha );
 417     FG_LOG(FG_FLIGHT,FG_INFO,"beta: " << beta );
 418     FG_LOG(FG_FLIGHT,FG_INFO,"alpha_dot: " << alpha_dot );
 419     FG_LOG(FG_FLIGHT,FG_INFO,"beta_dot: " << beta_dot );
 420     FG_LOG(FG_FLIGHT,FG_INFO,"cos_alpha: " << cos_alpha );
 421     FG_LOG(FG_FLIGHT,FG_INFO,"sin_alpha: " << sin_alpha );
 422     FG_LOG(FG_FLIGHT,FG_INFO,"cos_beta: " << cos_beta );
 423     FG_LOG(FG_FLIGHT,FG_INFO,"sin_beta: " << sin_beta );
 424     FG_LOG(FG_FLIGHT,FG_INFO,"cos_phi: " << cos_phi );
 425     FG_LOG(FG_FLIGHT,FG_INFO,"sin_phi: " << sin_phi );
 426     FG_LOG(FG_FLIGHT,FG_INFO,"cos_theta: " << cos_theta );
 427     FG_LOG(FG_FLIGHT,FG_INFO,"sin_theta: " << sin_theta );
 428     FG_LOG(FG_FLIGHT,FG_INFO,"cos_psi: " << cos_psi );
 429     FG_LOG(FG_FLIGHT,FG_INFO,"sin_psi: " << sin_psi );
 430     FG_LOG(FG_FLIGHT,FG_INFO,"gamma_vert_rad: " << gamma_vert_rad );
 431     FG_LOG(FG_FLIGHT,FG_INFO,"gamma_horiz_rad: " << gamma_horiz_rad );
 432     FG_LOG(FG_FLIGHT,FG_INFO,"sigma: " << sigma );
 433     FG_LOG(FG_FLIGHT,FG_INFO,"density: " << density );
 434     FG_LOG(FG_FLIGHT,FG_INFO,"v_sound: " << v_sound );
 435     FG_LOG(FG_FLIGHT,FG_INFO,"mach_number: " << mach_number );
 436     FG_LOG(FG_FLIGHT,FG_INFO,"static_pressure: " << static_pressure );
 437     FG_LOG(FG_FLIGHT,FG_INFO,"total_pressure: " << total_pressure );
 438     FG_LOG(FG_FLIGHT,FG_INFO,"impact_pressure: " << impact_pressure );
 439     FG_LOG(FG_FLIGHT,FG_INFO,"dynamic_pressure: " << dynamic_pressure );
 440     FG_LOG(FG_FLIGHT,FG_INFO,"static_temperature: " << static_temperature );
 441     FG_LOG(FG_FLIGHT,FG_INFO,"total_temperature: " << total_temperature );
 442     FG_LOG(FG_FLIGHT,FG_INFO,"sea_level_radius: " << sea_level_radius );
 443     FG_LOG(FG_FLIGHT,FG_INFO,"earth_position_angle: " << earth_position_angle );
 444     FG_LOG(FG_FLIGHT,FG_INFO,"runway_altitude: " << runway_altitude );
 445     FG_LOG(FG_FLIGHT,FG_INFO,"runway_latitude: " << runway_latitude );
 446     FG_LOG(FG_FLIGHT,FG_INFO,"runway_longitude: " << runway_longitude );
 447     FG_LOG(FG_FLIGHT,FG_INFO,"runway_heading: " << runway_heading );
 448     FG_LOG(FG_FLIGHT,FG_INFO,"radius_to_rwy: " << radius_to_rwy );
 449     FG_LOG(FG_FLIGHT,FG_INFO,"climb_rate: " << climb_rate );
 450     FG_LOG(FG_FLIGHT,FG_INFO,"sin_lat_geocentric: " << sin_lat_geocentric );
 451     FG_LOG(FG_FLIGHT,FG_INFO,"cos_lat_geocentric: " << cos_lat_geocentric );
 452     FG_LOG(FG_FLIGHT,FG_INFO,"sin_longitude: " << sin_longitude );
 453     FG_LOG(FG_FLIGHT,FG_INFO,"cos_longitude: " << cos_longitude );
 454     FG_LOG(FG_FLIGHT,FG_INFO,"sin_latitude: " << sin_latitude );
 455     FG_LOG(FG_FLIGHT,FG_INFO,"cos_latitude: " << cos_latitude );
 456     FG_LOG(FG_FLIGHT,FG_INFO,"altitude_agl: " << altitude_agl );
 457 }
 458