]> git.mxchange.org Git - flightgear.git/blobdiff - src/FDM/LaRCsim.cxx
Updated to match changes in radiostack.[ch]xx
[flightgear.git] / src / FDM / LaRCsim.cxx
index db8c352c7ab4f101baf8de212c36eae5650d211e..43223bf4cf9bfbde1f8fc6a0df2a7a126bf3e165 100644 (file)
 //
 // $Id$
 
+#include <string.h>            // strcmp()
 
-#include "LaRCsim.hxx"
+#include <simgear/constants.h>
+#include <simgear/debug/logstream.hxx>
 
+#include <Main/fg_props.hxx>
 #include <Aircraft/aircraft.hxx>
 #include <Controls/controls.hxx>
-#include <Debug/logstream.hxx>
 #include <FDM/flight.hxx>
 #include <FDM/LaRCsim/ls_cockpit.h>
 #include <FDM/LaRCsim/ls_generic.h>
 #include <FDM/LaRCsim/ls_interface.h>
+#include <FDM/LaRCsimIC.hxx>
+#include <FDM/UIUCModel/uiuc_aircraft.h>
+
+#include "IO360.hxx"
+#include "LaRCsim.hxx"
+
+FGLaRCsim::FGLaRCsim( double dt ) {
+//     set_delta_t( dt );
+
+    speed_up = fgGetNode("/sim/speed-up", true);
+    aero = fgGetNode("/sim/aero", true);
+
+    ls_toplevel_init( 0.0, (char *)(aero->getStringValue()) );
+
+    lsic=new LaRCsimIC; //this needs to be brought up after LaRCsim is
+    if ( !strcmp(aero->getStringValue(), "c172") ) {
+        copy_to_LaRCsim(); // initialize all of LaRCsim's vars
+
+        //this should go away someday -- formerly done in fg_init.cxx
+        Mass = 8.547270E+01;
+        I_xx = 1.048000E+03;
+        I_yy = 3.000000E+03;
+        I_zz = 3.530000E+03;
+        I_xz = 0.000000E+00;
+    }
 
+    ls_set_model_dt(dt);
+
+            // Initialize our little engine that hopefully might
+    eng.init(dt);
+    // dcl - in passing dt to init rather than update I am assuming
+    // that the LaRCsim dt is fixed at one value (yes it is 120hz CLO)
+}
+
+FGLaRCsim::~FGLaRCsim(void) {
+    if ( lsic != NULL ) {
+        delete lsic;
+        lsic = NULL;
+    }
+}
 
 // Initialize the LaRCsim flight model, dt is the time increment for
 // each subsequent iteration through the EOM
-int fgLaRCsimInit(double dt) {
-    ls_toplevel_init(dt);
-
-    return(1);
+void FGLaRCsim::init() {
+   //do init common to all FDM's
+   common_init();
 }
 
 
 // Run an iteration of the EOM (equations of motion)
-int fgLaRCsimUpdate(FGInterface& f, int multiloop) {
+void FGLaRCsim::update( double dt ) {
+
+    if (is_suspended())
+      return;
+
+    int multiloop = _calc_multiloop(dt);
+
+    if ( !strcmp(aero->getStringValue(), "c172") ) {
+       // set control inputs
+       // cout << "V_calibrated_kts = " << V_calibrated_kts << '\n';
+       eng.set_IAS( V_calibrated_kts );
+       eng.set_Throttle_Lever_Pos( globals->get_controls()->get_throttle( 0 )
+                                   * 100.0 );
+       eng.set_Propeller_Lever_Pos( 100 );
+        eng.set_Mixture_Lever_Pos( globals->get_controls()->get_mixture( 0 )
+                                  * 100.0 );
+       eng.set_Magneto_Switch_Pos( globals->get_controls()->get_magnetos(0) );
+       eng.setStarterFlag( globals->get_controls()->get_starter(0) );
+       eng.set_p_amb( Static_pressure );
+       eng.set_T_amb( Static_temperature );
+
+       // update engine model
+       eng.update();
+
+       // Fake control-surface positions
+       fgSetDouble("/surface-positions/flap-pos-norm",
+                   fgGetDouble("/controls/flaps"));
+                               // FIXME: ignoring trim
+       fgSetDouble("/surface-positions/elevator-pos-norm",
+                   fgGetDouble("/controls/elevator"));
+                               // FIXME: ignoring trim
+       fgSetDouble("/surface-positions/left-aileron-pos-norm",
+                   fgGetDouble("/controls/aileron"));
+                               // FIXME: ignoring trim
+       fgSetDouble("/surface-positions/right-aileron-pos-norm",
+                   -1 * fgGetDouble("/controls/aileron"));
+                               // FIXME: ignoring trim
+       fgSetDouble("/surface-positions/rudder-pos-norm",
+                   fgGetDouble("/controls/rudder"));
+
+       // copy engine state values onto "bus"
+       fgSetDouble("/engines/engine/rpm", eng.get_RPM());
+       fgSetDouble("/engines/engine/mp-osi", eng.get_Manifold_Pressure());
+       fgSetDouble("/engines/engine/max-hp", eng.get_MaxHP());
+       fgSetDouble("/engines/engine/power-pct", eng.get_Percentage_Power());
+       fgSetDouble("/engines/engine/egt-degf", eng.get_EGT());
+       fgSetDouble("/engines/engine/cht-degf", eng.get_CHT());
+       fgSetDouble("/engines/engine/prop-thrust", eng.get_prop_thrust_SI());
+       fgSetDouble("/engines/engine/fuel-flow-gph",
+                   eng.get_fuel_flow_gals_hr());
+       fgSetDouble("/engines/engine/oil-temperature-degf",
+                   eng.get_oil_temp());
+       fgSetDouble("/engines/engine/running", eng.getRunningFlag());
+       fgSetDouble("/engines/engine/cranking", eng.getCrankingFlag());
+
+       static const SGPropertyNode *fuel_freeze
+           = fgGetNode("/sim/freeze/fuel");
+
+       if ( ! fuel_freeze->getBoolValue() ) {
+           //Assume we are using both tanks equally for now
+           fgSetDouble("/consumables/fuel/tank[0]/level-gal_us",
+                       fgGetDouble("/consumables/fuel/tank[0]/level-gal_us")
+                       - (eng.get_fuel_flow_gals_hr() / (2 * 3600))
+                       * dt);
+           fgSetDouble("/consumables/fuel/tank[1]/level-gal_us",
+                       fgGetDouble("/consumables/fuel/tank[1]/level-gal_us")
+                       - (eng.get_fuel_flow_gals_hr() / (2 * 3600))
+                       * dt);
+       }
+
+        F_X_engine = eng.get_prop_thrust_lbs();
+       // cout << "F_X_engine = " << F_X_engine << '\n';
+    }
+
     double save_alt = 0.0;
 
     // lets try to avoid really screwing up the LaRCsim model
-    if ( f.get_Altitude() < -9000.0 ) {
-       save_alt = f.get_Altitude();
-       f.set_Altitude( 0.0 );
+    if ( get_Altitude() < -9000.0 ) {
+       save_alt = get_Altitude();
+       set_Altitude( 0.0 );
     }
 
     // copy control positions into the LaRCsim structure
-    Lat_control = controls.get_aileron();
-    Long_control = controls.get_elevator();
-    Long_trim = controls.get_elevator_trim();
-    Rudder_pedal = controls.get_rudder();
-    Throttle_pct = controls.get_throttle( 0 ) * 1.0;
-    Brake_pct = controls.get_brake( 0 );
+    Lat_control = globals->get_controls()->get_aileron() /
+    speed_up->getIntValue();
+    Long_control = globals->get_controls()->get_elevator();
+    Long_trim = globals->get_controls()->get_elevator_trim();
+    Rudder_pedal = globals->get_controls()->get_rudder() /
+        speed_up->getIntValue();
+    Flap_handle = 30.0 * globals->get_controls()->get_flaps();
+
+    if ( !strcmp(aero->getStringValue(), "c172") ) {
+        Use_External_Engine = 1;
+    } else {
+       Use_External_Engine = 0;
+    }
+
+    Throttle_pct = globals->get_controls()->get_throttle( 0 ) * 1.0;
+
+    Brake_pct[0] = globals->get_controls()->get_brake( 1 );
+    Brake_pct[1] = globals->get_controls()->get_brake( 0 );
 
     // Inform LaRCsim of the local terrain altitude
-    Runway_altitude = f.get_Runway_altitude();
+    // Runway_altitude = get_Runway_altitude();
+    Runway_altitude = getACModel()->get3DModel()->getFGLocation()->get_cur_elev_m() * SG_METER_TO_FEET;
+    // Weather
+    /* V_north_airmass = get_V_north_airmass();
+       V_east_airmass =  get_V_east_airmass();
+       V_down_airmass =  get_V_down_airmass(); */
+
 
     // old -- FGInterface_2_LaRCsim() not needed except for Init()
     // translate FG to LaRCsim structure
@@ -69,337 +200,545 @@ int fgLaRCsimUpdate(FGInterface& f, int multiloop) {
     // printf("Altitude = %.2f\n", Altitude * 0.3048);
     // printf("Radius to Vehicle = %.2f\n", Radius_to_vehicle * 0.3048);
 
+    // for engine functions (sounds and instruments)
+    // drive the rpm gauge
+    fgSetDouble("/engines/engine/rpm", (globals->get_controls()->get_throttle( 0 ) * 100.0 * 25 ));
+    // manifold air pressure, which drives the sound (see *sound.xml file)
+    fgSetDouble("/engines/engine/mp-osi", (globals->get_controls()->get_throttle( 0 ) * 100.0 ));
+    // make the engine cranking and running sounds when fgfs starts up
+    fgSetDouble("/engines/engine/cranking", 1);
+    fgSetDouble("/engines/engine/running", 1);
+
     ls_update(multiloop);
 
     // printf("%d FG_Altitude = %.2f\n", i, FG_Altitude * 0.3048);
     // printf("%d Altitude = %.2f\n", i, Altitude * 0.3048);
-    
+
     // translate LaRCsim back to FG structure so that the
     // autopilot (and the rest of the sim can use the updated
     // values
-    fgLaRCsim_2_FGInterface(f);
+    copy_from_LaRCsim();
 
     // but lets restore our original bogus altitude when we are done
     if ( save_alt < -9000.0 ) {
-       f.set_Altitude( save_alt );
+       set_Altitude( save_alt );
     }
-
-    return 1;
 }
 
 
 // Convert from the FGInterface struct to the LaRCsim generic_ struct
-int FGInterface_2_LaRCsim (FGInterface& f) {
-
-    Mass =      f.get_Mass();
-    I_xx =      f.get_I_xx();
-    I_yy =      f.get_I_yy();
-    I_zz =      f.get_I_zz();
-    I_xz =      f.get_I_xz();
-    // Dx_pilot =  f.get_Dx_pilot();
-    // Dy_pilot =  f.get_Dy_pilot();
-    // Dz_pilot =  f.get_Dz_pilot();
-    Dx_cg =     f.get_Dx_cg();
-    Dy_cg =     f.get_Dy_cg();
-    Dz_cg =     f.get_Dz_cg();
-    // F_X =       f.get_F_X();
-    // F_Y =       f.get_F_Y();
-    // F_Z =       f.get_F_Z();
-    // F_north =   f.get_F_north();
-    // F_east =    f.get_F_east();
-    // F_down =    f.get_F_down();
-    // F_X_aero =  f.get_F_X_aero();
-    // F_Y_aero =  f.get_F_Y_aero();
-    // F_Z_aero =  f.get_F_Z_aero();
-    // F_X_engine =        f.get_F_X_engine();
-    // F_Y_engine =        f.get_F_Y_engine();
-    // F_Z_engine =        f.get_F_Z_engine();
-    // F_X_gear =  f.get_F_X_gear();
-    // F_Y_gear =  f.get_F_Y_gear();
-    // F_Z_gear =  f.get_F_Z_gear();
-    // M_l_rp =    f.get_M_l_rp();
-    // M_m_rp =    f.get_M_m_rp();
-    // M_n_rp =    f.get_M_n_rp();
-    // M_l_cg =    f.get_M_l_cg();
-    // M_m_cg =    f.get_M_m_cg();
-    // M_n_cg =    f.get_M_n_cg();
-    // M_l_aero =  f.get_M_l_aero();
-    // M_m_aero =  f.get_M_m_aero();
-    // M_n_aero =  f.get_M_n_aero();
-    // M_l_engine =        f.get_M_l_engine();
-    // M_m_engine =        f.get_M_m_engine();
-    // M_n_engine =        f.get_M_n_engine();
-    // M_l_gear =  f.get_M_l_gear();
-    // M_m_gear =  f.get_M_m_gear();
-    // M_n_gear =  f.get_M_n_gear();
-    // V_dot_north =       f.get_V_dot_north();
-    // V_dot_east =        f.get_V_dot_east();
-    // V_dot_down =        f.get_V_dot_down();
-    // U_dot_body =        f.get_U_dot_body();
-    // V_dot_body =        f.get_V_dot_body();
-    // W_dot_body =        f.get_W_dot_body();
-    // A_X_cg =    f.get_A_X_cg();
-    // A_Y_cg =    f.get_A_Y_cg();
-    // A_Z_cg =    f.get_A_Z_cg();
-    // A_X_pilot = f.get_A_X_pilot();
-    // A_Y_pilot = f.get_A_Y_pilot();
-    // A_Z_pilot = f.get_A_Z_pilot();
-    // N_X_cg =    f.get_N_X_cg();
-    // N_Y_cg =    f.get_N_Y_cg();
-    // N_Z_cg =    f.get_N_Z_cg();
-    // N_X_pilot = f.get_N_X_pilot();
-    // N_Y_pilot = f.get_N_Y_pilot();
-    // N_Z_pilot = f.get_N_Z_pilot();
-    // P_dot_body =        f.get_P_dot_body();
-    // Q_dot_body =        f.get_Q_dot_body();
-    // R_dot_body =        f.get_R_dot_body();
-    V_north =   f.get_V_north();
-    V_east =    f.get_V_east();
-    V_down =    f.get_V_down();
-    // V_north_rel_ground =        f.get_V_north_rel_ground();
-    // V_east_rel_ground = f.get_V_east_rel_ground();
-    // V_down_rel_ground = f.get_V_down_rel_ground();
-    // V_north_airmass =   f.get_V_north_airmass();
-    // V_east_airmass =    f.get_V_east_airmass();
-    // V_down_airmass =    f.get_V_down_airmass();
-    // V_north_rel_airmass =       f.get_V_north_rel_airmass();
-    // V_east_rel_airmass =        f.get_V_east_rel_airmass();
-    // V_down_rel_airmass =        f.get_V_down_rel_airmass();
-    // U_gust =    f.get_U_gust();
-    // V_gust =    f.get_V_gust();
-    // W_gust =    f.get_W_gust();
-    // U_body =    f.get_U_body();
-    // V_body =    f.get_V_body();
-    // W_body =    f.get_W_body();
-    // V_rel_wind =        f.get_V_rel_wind();
-    // V_true_kts =        f.get_V_true_kts();
-    // V_rel_ground =      f.get_V_rel_ground();
-    // V_inertial =        f.get_V_inertial();
-    // V_ground_speed =    f.get_V_ground_speed();
-    // V_equiv =   f.get_V_equiv();
-    // V_equiv_kts =       f.get_V_equiv_kts();
-    // V_calibrated =      f.get_V_calibrated();
-    // V_calibrated_kts =  f.get_V_calibrated_kts();
-    P_body =    f.get_P_body();
-    Q_body =    f.get_Q_body();
-    R_body =    f.get_R_body();
-    // P_local =   f.get_P_local();
-    // Q_local =   f.get_Q_local();
-    // R_local =   f.get_R_local();
-    // P_total =   f.get_P_total();
-    // Q_total =   f.get_Q_total();
-    // R_total =   f.get_R_total();
-    // Phi_dot =   f.get_Phi_dot();
-    // Theta_dot = f.get_Theta_dot();
-    // Psi_dot =   f.get_Psi_dot();
-    // Latitude_dot =      f.get_Latitude_dot();
-    // Longitude_dot =     f.get_Longitude_dot();
-    // Radius_dot =        f.get_Radius_dot();
-    Lat_geocentric =    f.get_Lat_geocentric();
-    Lon_geocentric =    f.get_Lon_geocentric();
-    Radius_to_vehicle = f.get_Radius_to_vehicle();
-    Latitude =  f.get_Latitude();
-    Longitude = f.get_Longitude();
-    Altitude =  f.get_Altitude();
-    Phi =       f.get_Phi();
-    Theta =     f.get_Theta();
-    Psi =       f.get_Psi();
-    // T_local_to_body_11 =        f.get_T_local_to_body_11();
-    // T_local_to_body_12 =        f.get_T_local_to_body_12();
-    // T_local_to_body_13 =        f.get_T_local_to_body_13();
-    // T_local_to_body_21 =        f.get_T_local_to_body_21();
-    // T_local_to_body_22 =        f.get_T_local_to_body_22();
-    // T_local_to_body_23 =        f.get_T_local_to_body_23();
-    // T_local_to_body_31 =        f.get_T_local_to_body_31();
-    // T_local_to_body_32 =        f.get_T_local_to_body_32();
-    // T_local_to_body_33 =        f.get_T_local_to_body_33();
-    // Gravity =   f.get_Gravity();
-    // Centrifugal_relief =        f.get_Centrifugal_relief();
-    // Alpha =     f.get_Alpha();
-    // Beta =      f.get_Beta();
-    // Alpha_dot = f.get_Alpha_dot();
-    // Beta_dot =  f.get_Beta_dot();
-    // Cos_alpha = f.get_Cos_alpha();
-    // Sin_alpha = f.get_Sin_alpha();
-    // Cos_beta =  f.get_Cos_beta();
-    // Sin_beta =  f.get_Sin_beta();
-    // Cos_phi =   f.get_Cos_phi();
-    // Sin_phi =   f.get_Sin_phi();
-    // Cos_theta = f.get_Cos_theta();
-    // Sin_theta = f.get_Sin_theta();
-    // Cos_psi =   f.get_Cos_psi();
-    // Sin_psi =   f.get_Sin_psi();
-    // Gamma_vert_rad =    f.get_Gamma_vert_rad();
-    // Gamma_horiz_rad =   f.get_Gamma_horiz_rad();
-    // Sigma =     f.get_Sigma();
-    // Density =   f.get_Density();
-    // V_sound =   f.get_V_sound();
-    // Mach_number =       f.get_Mach_number();
-    // Static_pressure =   f.get_Static_pressure();
-    // Total_pressure =    f.get_Total_pressure();
-    // Impact_pressure =   f.get_Impact_pressure();
-    // Dynamic_pressure =  f.get_Dynamic_pressure();
-    // Static_temperature =        f.get_Static_temperature();
-    // Total_temperature = f.get_Total_temperature();
-    Sea_level_radius =  f.get_Sea_level_radius();
-    Earth_position_angle =      f.get_Earth_position_angle();
-    Runway_altitude =   f.get_Runway_altitude();
-    // Runway_latitude =   f.get_Runway_latitude();
-    // Runway_longitude =  f.get_Runway_longitude();
-    // Runway_heading =    f.get_Runway_heading();
-    // Radius_to_rwy =     f.get_Radius_to_rwy();
-    // D_cg_north_of_rwy = f.get_D_cg_north_of_rwy();
-    // D_cg_east_of_rwy =  f.get_D_cg_east_of_rwy();
-    // D_cg_above_rwy =    f.get_D_cg_above_rwy();
-    // X_cg_rwy =  f.get_X_cg_rwy();
-    // Y_cg_rwy =  f.get_Y_cg_rwy();
-    // H_cg_rwy =  f.get_H_cg_rwy();
-    // D_pilot_north_of_rwy =      f.get_D_pilot_north_of_rwy();
-    // D_pilot_east_of_rwy =       f.get_D_pilot_east_of_rwy();
-    // D_pilot_above_rwy = f.get_D_pilot_above_rwy();
-    // X_pilot_rwy =       f.get_X_pilot_rwy();
-    // Y_pilot_rwy =       f.get_Y_pilot_rwy();
-    // H_pilot_rwy =       f.get_H_pilot_rwy();
-
-    return( 0 );
+bool FGLaRCsim::copy_to_LaRCsim () {
+    Mass =      get_Mass();
+    I_xx =      get_I_xx();
+    I_yy =      get_I_yy();
+    I_zz =      get_I_zz();
+    I_xz =      get_I_xz();
+    // Dx_pilot =  get_Dx_pilot();
+    // Dy_pilot =  get_Dy_pilot();
+    // Dz_pilot =  get_Dz_pilot();
+    Dx_cg =     get_Dx_cg();
+    Dy_cg =     get_Dy_cg();
+    Dz_cg =     get_Dz_cg();
+    // F_X =       get_F_X();
+    // F_Y =       get_F_Y();
+    // F_Z =       get_F_Z();
+    // F_north =   get_F_north();
+    // F_east =    get_F_east();
+    // F_down =    get_F_down();
+    // F_X_aero =  get_F_X_aero();
+    // F_Y_aero =  get_F_Y_aero();
+    // F_Z_aero =  get_F_Z_aero();
+    // F_X_engine =        get_F_X_engine();
+    // F_Y_engine =        get_F_Y_engine();
+    // F_Z_engine =        get_F_Z_engine();
+    // F_X_gear =  get_F_X_gear();
+    // F_Y_gear =  get_F_Y_gear();
+    // F_Z_gear =  get_F_Z_gear();
+    // M_l_rp =    get_M_l_rp();
+    // M_m_rp =    get_M_m_rp();
+    // M_n_rp =    get_M_n_rp();
+    // M_l_cg =    get_M_l_cg();
+    // M_m_cg =    get_M_m_cg();
+    // M_n_cg =    get_M_n_cg();
+    // M_l_aero =  get_M_l_aero();
+    // M_m_aero =  get_M_m_aero();
+    // M_n_aero =  get_M_n_aero();
+    // M_l_engine =        get_M_l_engine();
+    // M_m_engine =        get_M_m_engine();
+    // M_n_engine =        get_M_n_engine();
+    // M_l_gear =  get_M_l_gear();
+    // M_m_gear =  get_M_m_gear();
+    // M_n_gear =  get_M_n_gear();
+    // V_dot_north =       get_V_dot_north();
+    // V_dot_east =        get_V_dot_east();
+    // V_dot_down =        get_V_dot_down();
+    // U_dot_body =        get_U_dot_body();
+    // V_dot_body =        get_V_dot_body();
+    // W_dot_body =        get_W_dot_body();
+    // A_X_cg =    get_A_X_cg();
+    // A_Y_cg =    get_A_Y_cg();
+    // A_Z_cg =    get_A_Z_cg();
+    // A_X_pilot = get_A_X_pilot();
+    // A_Y_pilot = get_A_Y_pilot();
+    // A_Z_pilot = get_A_Z_pilot();
+    // N_X_cg =    get_N_X_cg();
+    // N_Y_cg =    get_N_Y_cg();
+    // N_Z_cg =    get_N_Z_cg();
+    // N_X_pilot = get_N_X_pilot();
+    // N_Y_pilot = get_N_Y_pilot();
+    // N_Z_pilot = get_N_Z_pilot();
+    // P_dot_body =        get_P_dot_body();
+    // Q_dot_body =        get_Q_dot_body();
+    // R_dot_body =        get_R_dot_body();
+    // V_north =   get_V_north();
+    // V_east =    get_V_east();
+    // V_down =    get_V_down();
+    // V_north_rel_ground =        get_V_north_rel_ground();
+    // V_east_rel_ground = get_V_east_rel_ground();
+    // V_down_rel_ground = get_V_down_rel_ground();
+    // V_north_airmass =   get_V_north_airmass();
+    // V_east_airmass =    get_V_east_airmass();
+    // V_down_airmass =    get_V_down_airmass();
+    // V_north_rel_airmass =       get_V_north_rel_airmass();
+    // V_east_rel_airmass =        get_V_east_rel_airmass();
+    // V_down_rel_airmass =        get_V_down_rel_airmass();
+    // U_gust =    get_U_gust();
+    // V_gust =    get_V_gust();
+    // W_gust =    get_W_gust();
+    // U_body =    get_U_body();
+    // V_body =    get_V_body();
+    // W_body =    get_W_body();
+    // V_rel_wind =        get_V_rel_wind();
+    // V_true_kts =        get_V_true_kts();
+    // V_rel_ground =      get_V_rel_ground();
+    // V_inertial =        get_V_inertial();
+    // V_ground_speed =    get_V_ground_speed();
+    // V_equiv =   get_V_equiv();
+    // V_equiv_kts =       get_V_equiv_kts();
+    // V_calibrated =      get_V_calibrated();
+    // V_calibrated_kts =  get_V_calibrated_kts();
+    // P_body =    get_P_body();
+    // Q_body =    get_Q_body();
+    // R_body =    get_R_body();
+    // P_local =   get_P_local();
+    // Q_local =   get_Q_local();
+    // R_local =   get_R_local();
+    // P_total =   get_P_total();
+    // Q_total =   get_Q_total();
+    // R_total =   get_R_total();
+    // Phi_dot =   get_Phi_dot();
+    // Theta_dot = get_Theta_dot();
+    // Psi_dot =   get_Psi_dot();
+    // Latitude_dot =      get_Latitude_dot();
+    // Longitude_dot =     get_Longitude_dot();
+    // Radius_dot =        get_Radius_dot();
+    // Lat_geocentric =    get_Lat_geocentric();
+    // Lon_geocentric =    get_Lon_geocentric();
+    // Radius_to_vehicle = get_Radius_to_vehicle();
+    // Latitude =  get_Latitude();
+    // Longitude = get_Longitude();
+    // Altitude =  get_Altitude();
+    // Phi =       get_Phi();
+    // Theta =     get_Theta();
+    // Psi =       get_Psi();
+    // T_local_to_body_11 =        get_T_local_to_body_11();
+    // T_local_to_body_12 =        get_T_local_to_body_12();
+    // T_local_to_body_13 =        get_T_local_to_body_13();
+    // T_local_to_body_21 =        get_T_local_to_body_21();
+    // T_local_to_body_22 =        get_T_local_to_body_22();
+    // T_local_to_body_23 =        get_T_local_to_body_23();
+    // T_local_to_body_31 =        get_T_local_to_body_31();
+    // T_local_to_body_32 =        get_T_local_to_body_32();
+    // T_local_to_body_33 =        get_T_local_to_body_33();
+    // Gravity =   get_Gravity();
+    // Centrifugal_relief =        get_Centrifugal_relief();
+    // Alpha =     get_Alpha();
+    // Beta =      get_Beta();
+    // Alpha_dot = get_Alpha_dot();
+    // Beta_dot =  get_Beta_dot();
+    // Cos_alpha = get_Cos_alpha();
+    // Sin_alpha = get_Sin_alpha();
+    // Cos_beta =  get_Cos_beta();
+    // Sin_beta =  get_Sin_beta();
+    // Cos_phi =   get_Cos_phi();
+    // Sin_phi =   get_Sin_phi();
+    // Cos_theta = get_Cos_theta();
+    // Sin_theta = get_Sin_theta();
+    // Cos_psi =   get_Cos_psi();
+    // Sin_psi =   get_Sin_psi();
+    // Gamma_vert_rad =    get_Gamma_vert_rad();
+    // Gamma_horiz_rad =   get_Gamma_horiz_rad();
+    // Sigma =     get_Sigma();
+    // Density =   get_Density();
+    // V_sound =   get_V_sound();
+    // Mach_number =       get_Mach_number();
+    // Static_pressure =   get_Static_pressure();
+    // Total_pressure =    get_Total_pressure();
+    // Impact_pressure =   get_Impact_pressure();
+    // Dynamic_pressure =  get_Dynamic_pressure();
+    // Static_temperature =        get_Static_temperature();
+    // Total_temperature = get_Total_temperature();
+    // Sea_level_radius =  get_Sea_level_radius();
+    // Earth_position_angle =      get_Earth_position_angle();
+    // Runway_altitude =   get_Runway_altitude();
+    // Runway_latitude =   get_Runway_latitude();
+    // Runway_longitude =  get_Runway_longitude();
+    // Runway_heading =    get_Runway_heading();
+    // Radius_to_rwy =     get_Radius_to_rwy();
+    // D_cg_north_of_rwy = get_D_cg_north_of_rwy();
+    // D_cg_east_of_rwy =  get_D_cg_east_of_rwy();
+    // D_cg_above_rwy =    get_D_cg_above_rwy();
+    // X_cg_rwy =  get_X_cg_rwy();
+    // Y_cg_rwy =  get_Y_cg_rwy();
+    // H_cg_rwy =  get_H_cg_rwy();
+    // D_pilot_north_of_rwy =      get_D_pilot_north_of_rwy();
+    // D_pilot_east_of_rwy =       get_D_pilot_east_of_rwy();
+    // D_pilot_above_rwy = get_D_pilot_above_rwy();
+    // X_pilot_rwy =       get_X_pilot_rwy();
+    // Y_pilot_rwy =       get_Y_pilot_rwy();
+    // H_pilot_rwy =       get_H_pilot_rwy();
+
+    return true;
 }
 
 
 // Convert from the LaRCsim generic_ struct to the FGInterface struct
-int fgLaRCsim_2_FGInterface (FGInterface& f) {
+bool FGLaRCsim::copy_from_LaRCsim() {
 
     // Mass properties and geometry values
-    f.set_Inertias( Mass, I_xx, I_yy, I_zz, I_xz );
-    // f.set_Pilot_Location( Dx_pilot, Dy_pilot, Dz_pilot );
-    f.set_CG_Position( Dx_cg, Dy_cg, Dz_cg );
+    _set_Inertias( Mass, I_xx, I_yy, I_zz, I_xz );
+    // set_Pilot_Location( Dx_pilot, Dy_pilot, Dz_pilot );
+    _set_CG_Position( Dx_cg, Dy_cg, Dz_cg );
 
     // Forces
-    // f.set_Forces_Body_Total( F_X, F_Y, F_Z );
-    // f.set_Forces_Local_Total( F_north, F_east, F_down );
-    // f.set_Forces_Aero( F_X_aero, F_Y_aero, F_Z_aero );
-    // f.set_Forces_Engine( F_X_engine, F_Y_engine, F_Z_engine );
-    // f.set_Forces_Gear( F_X_gear, F_Y_gear, F_Z_gear );
+    // set_Forces_Body_Total( F_X, F_Y, F_Z );
+    // set_Forces_Local_Total( F_north, F_east, F_down );
+    // set_Forces_Aero( F_X_aero, F_Y_aero, F_Z_aero );
+    // set_Forces_Engine( F_X_engine, F_Y_engine, F_Z_engine );
+    // set_Forces_Gear( F_X_gear, F_Y_gear, F_Z_gear );
 
     // Moments
-    // f.set_Moments_Total_RP( M_l_rp, M_m_rp, M_n_rp );
-    // f.set_Moments_Total_CG( M_l_cg, M_m_cg, M_n_cg );
-    // f.set_Moments_Aero( M_l_aero, M_m_aero, M_n_aero );
-    // f.set_Moments_Engine( M_l_engine, M_m_engine, M_n_engine );
-    // f.set_Moments_Gear( M_l_gear, M_m_gear, M_n_gear );
+    // set_Moments_Total_RP( M_l_rp, M_m_rp, M_n_rp );
+    // set_Moments_Total_CG( M_l_cg, M_m_cg, M_n_cg );
+    // set_Moments_Aero( M_l_aero, M_m_aero, M_n_aero );
+    // set_Moments_Engine( M_l_engine, M_m_engine, M_n_engine );
+    // set_Moments_Gear( M_l_gear, M_m_gear, M_n_gear );
 
     // Accelerations
-    // f.set_Accels_Local( V_dot_north, V_dot_east, V_dot_down );
-    f.set_Accels_Body( U_dot_body, V_dot_body, W_dot_body );
-    f.set_Accels_CG_Body( A_X_cg, A_Y_cg, A_Z_cg );
-    f.set_Accels_Pilot_Body( A_X_pilot, A_Y_pilot, A_Z_pilot );
-    // f.set_Accels_CG_Body_N( N_X_cg, N_Y_cg, N_Z_cg );
-    // f.set_Accels_Pilot_Body_N( N_X_pilot, N_Y_pilot, N_Z_pilot );
-    // f.set_Accels_Omega( P_dot_body, Q_dot_body, R_dot_body );
+    _set_Accels_Local( V_dot_north, V_dot_east, V_dot_down );
+    _set_Accels_Body( U_dot_body, V_dot_body, W_dot_body );
+    _set_Accels_CG_Body( A_X_cg, A_Y_cg, A_Z_cg );
+    _set_Accels_Pilot_Body( A_X_pilot, A_Y_pilot, A_Z_pilot );
+    // set_Accels_CG_Body_N( N_X_cg, N_Y_cg, N_Z_cg );
+    // set_Accels_Pilot_Body_N( N_X_pilot, N_Y_pilot, N_Z_pilot );
+    // set_Accels_Omega( P_dot_body, Q_dot_body, R_dot_body );
 
     // Velocities
-    f.set_Velocities_Local( V_north, V_east, V_down );
-    // f.set_Velocities_Ground( V_north_rel_ground, V_east_rel_ground, 
+    _set_Velocities_Local( V_north, V_east, V_down );
+    // set_Velocities_Ground( V_north_rel_ground, V_east_rel_ground, 
     //                      V_down_rel_ground );
-    // f.set_Velocities_Local_Airmass( V_north_airmass, V_east_airmass,
-    //                             V_down_airmass );
-    // f.set_Velocities_Local_Rel_Airmass( V_north_rel_airmass, 
+    _set_Velocities_Local_Airmass( V_north_airmass, V_east_airmass,
+                                  V_down_airmass );
+    // set_Velocities_Local_Rel_Airmass( V_north_rel_airmass, 
     //                          V_east_rel_airmass, V_down_rel_airmass );
-    // f.set_Velocities_Gust( U_gust, V_gust, W_gust );
-    f.set_Velocities_Wind_Body( U_body, V_body, W_body );
-
-    // f.set_V_rel_wind( V_rel_wind );
-    // f.set_V_true_kts( V_true_kts );
-    // f.set_V_rel_ground( V_rel_ground );
-    // f.set_V_inertial( V_inertial );
-    // f.set_V_ground_speed( V_ground_speed );
-    // f.set_V_equiv( V_equiv );
-    f.set_V_equiv_kts( V_equiv_kts );
-    // f.set_V_calibrated( V_calibrated );
-    // f.set_V_calibrated_kts( V_calibrated_kts );
-
-    f.set_Omega_Body( P_body, Q_body, R_body );
-    // f.set_Omega_Local( P_local, Q_local, R_local );
-    // f.set_Omega_Total( P_total, Q_total, R_total );
-    
-    // f.set_Euler_Rates( Phi_dot, Theta_dot, Psi_dot );
-    f.set_Geocentric_Rates( Latitude_dot, Longitude_dot, Radius_dot );
-
-    FG_LOG( FG_FLIGHT, FG_DEBUG, "lon = " << Longitude 
+    // set_Velocities_Gust( U_gust, V_gust, W_gust );
+    _set_Velocities_Wind_Body( U_body, V_body, W_body );
+
+    _set_V_rel_wind( V_rel_wind );
+    // set_V_true_kts( V_true_kts );
+    // set_V_rel_ground( V_rel_ground );
+    // set_V_inertial( V_inertial );
+    _set_V_ground_speed( V_ground_speed );
+    // set_V_equiv( V_equiv );
+    _set_V_equiv_kts( V_equiv_kts );
+    // set_V_calibrated( V_calibrated );
+    _set_V_calibrated_kts( V_calibrated_kts );
+
+    _set_Omega_Body( P_body, Q_body, R_body );
+    // set_Omega_Local( P_local, Q_local, R_local );
+    // set_Omega_Total( P_total, Q_total, R_total );
+
+    _set_Euler_Rates( Phi_dot, Theta_dot, Psi_dot );
+    _set_Geocentric_Rates( Latitude_dot, Longitude_dot, Radius_dot );
+
+    _set_Mach_number( Mach_number );
+
+    SG_LOG( SG_FLIGHT, SG_DEBUG, "lon = " << Longitude 
            << " lat_geoc = " << Lat_geocentric << " lat_geod = " << Latitude 
            << " alt = " << Altitude << " sl_radius = " << Sea_level_radius 
            << " radius_to_vehicle = " << Radius_to_vehicle );
-           
+
+    double tmp_lon_geoc = Lon_geocentric;
+    while ( tmp_lon_geoc < -SGD_PI ) { tmp_lon_geoc += SGD_2PI; }
+    while ( tmp_lon_geoc > SGD_PI ) { tmp_lon_geoc -= SGD_2PI; }
+
+    double tmp_lon = Longitude;
+    while ( tmp_lon < -SGD_PI ) { tmp_lon += SGD_2PI; }
+    while ( tmp_lon > SGD_PI ) { tmp_lon -= SGD_2PI; }
+
     // Positions
-    f.set_Geocentric_Position( Lat_geocentric, Lon_geocentric, 
-                               Radius_to_vehicle );
-    f.set_Geodetic_Position( Latitude, Longitude, Altitude );
-    f.set_Euler_Angles( Phi, Theta, Psi );
+    _set_Geocentric_Position( Lat_geocentric, tmp_lon_geoc, 
+                             Radius_to_vehicle );
+    _set_Geodetic_Position( Latitude, tmp_lon, Altitude );
+    _set_Euler_Angles( Phi, Theta, Psi );
+
+    _set_Altitude_AGL( Altitude - Runway_altitude );
 
     // Miscellaneous quantities
-    f.set_T_Local_to_Body(T_local_to_body_m);
-    // f.set_Gravity( Gravity );
-    // f.set_Centrifugal_relief( Centrifugal_relief );
-
-    f.set_Alpha( Alpha );
-    f.set_Beta( Beta );
-    // f.set_Alpha_dot( Alpha_dot );
-    // f.set_Beta_dot( Beta_dot );
-
-    // f.set_Cos_alpha( Cos_alpha );
-    // f.set_Sin_alpha( Sin_alpha );
-    // f.set_Cos_beta( Cos_beta );
-    // f.set_Sin_beta( Sin_beta );
-
-    // f.set_Cos_phi( Cos_phi );
-    // f.set_Sin_phi( Sin_phi );
-    // f.set_Cos_theta( Cos_theta );
-    // f.set_Sin_theta( Sin_theta );
-    // f.set_Cos_psi( Cos_psi );
-    // f.set_Sin_psi( Sin_psi );
-
-    f.set_Gamma_vert_rad( Gamma_vert_rad );
-    // f.set_Gamma_horiz_rad( Gamma_horiz_rad );
-
-    // f.set_Sigma( Sigma );
-    // f.set_Density( Density );
-    // f.set_V_sound( V_sound );
-    // f.set_Mach_number( Mach_number );
-
-    // f.set_Static_pressure( Static_pressure );
-    // f.set_Total_pressure( Total_pressure );
-    // f.set_Impact_pressure( Impact_pressure );
-    // f.set_Dynamic_pressure( Dynamic_pressure );
-
-    // f.set_Static_temperature( Static_temperature );
-    // f.set_Total_temperature( Total_temperature );
-
-    f.set_Sea_level_radius( Sea_level_radius );
-    f.set_Earth_position_angle( Earth_position_angle );
-
-    f.set_Runway_altitude( Runway_altitude );
-    // f.set_Runway_latitude( Runway_latitude );
-    // f.set_Runway_longitude( Runway_longitude );
-    // f.set_Runway_heading( Runway_heading );
-    // f.set_Radius_to_rwy( Radius_to_rwy );
-
-    // f.set_CG_Rwy_Local( D_cg_north_of_rwy, D_cg_east_of_rwy, D_cg_above_rwy);
-    // f.set_CG_Rwy_Rwy( X_cg_rwy, Y_cg_rwy, H_cg_rwy );
-    // f.set_Pilot_Rwy_Local( D_pilot_north_of_rwy, D_pilot_east_of_rwy, 
+    _set_T_Local_to_Body(T_local_to_body_m);
+    // set_Gravity( Gravity );
+    // set_Centrifugal_relief( Centrifugal_relief );
+
+    _set_Alpha( Alpha );
+    _set_Beta( Beta );
+    // set_Alpha_dot( Alpha_dot );
+    // set_Beta_dot( Beta_dot );
+
+    // set_Cos_alpha( Cos_alpha );
+    // set_Sin_alpha( Sin_alpha );
+    // set_Cos_beta( Cos_beta );
+    // set_Sin_beta( Sin_beta );
+
+    _set_Cos_phi( Cos_phi );
+    // set_Sin_phi( Sin_phi );
+    _set_Cos_theta( Cos_theta );
+    // set_Sin_theta( Sin_theta );
+    // set_Cos_psi( Cos_psi );
+    // set_Sin_psi( Sin_psi );
+
+    _set_Gamma_vert_rad( Gamma_vert_rad );
+    // set_Gamma_horiz_rad( Gamma_horiz_rad );
+
+    // set_Sigma( Sigma );
+    _set_Density( Density );
+    // set_V_sound( V_sound );
+    // set_Mach_number( Mach_number );
+
+    _set_Static_pressure( Static_pressure );
+    // set_Total_pressure( Total_pressure );
+    // set_Impact_pressure( Impact_pressure );
+    // set_Dynamic_pressure( Dynamic_pressure );
+
+    _set_Static_temperature( Static_temperature );
+    // set_Total_temperature( Total_temperature );
+
+    _set_Sea_level_radius( Sea_level_radius );
+    _set_Earth_position_angle( Earth_position_angle );
+
+    _set_Runway_altitude( Runway_altitude );
+    // set_Runway_latitude( Runway_latitude );
+    // set_Runway_longitude( Runway_longitude );
+    // set_Runway_heading( Runway_heading );
+    // set_Radius_to_rwy( Radius_to_rwy );
+
+    // set_CG_Rwy_Local( D_cg_north_of_rwy, D_cg_east_of_rwy, D_cg_above_rwy);
+    // set_CG_Rwy_Rwy( X_cg_rwy, Y_cg_rwy, H_cg_rwy );
+    // set_Pilot_Rwy_Local( D_pilot_north_of_rwy, D_pilot_east_of_rwy, 
     //                        D_pilot_above_rwy );
-    // f.set_Pilot_Rwy_Rwy( X_pilot_rwy, Y_pilot_rwy, H_pilot_rwy );
+    // set_Pilot_Rwy_Rwy( X_pilot_rwy, Y_pilot_rwy, H_pilot_rwy );
 
-    f.set_sin_lat_geocentric(Lat_geocentric);
-    f.set_cos_lat_geocentric(Lat_geocentric);
-    f.set_sin_cos_longitude(Longitude);
-    f.set_sin_cos_latitude(Latitude);
+    _set_sin_lat_geocentric(Lat_geocentric);
+    _set_cos_lat_geocentric(Lat_geocentric);
+    _set_sin_cos_longitude(Longitude);
+    _set_sin_cos_latitude(Latitude);
 
     // printf("sin_lat_geo %f  cos_lat_geo %f\n", sin_Lat_geoc, cos_Lat_geoc);
     // printf("sin_lat     %f  cos_lat     %f\n", 
-    //        f.get_sin_latitude(), f.get_cos_latitude());
+    //        get_sin_latitude(), get_cos_latitude());
     // printf("sin_lon     %f  cos_lon     %f\n",
-    //        f.get_sin_longitude(), f.get_cos_longitude());
+    //        get_sin_longitude(), get_cos_longitude());
+
+    _set_Climb_Rate( -1 * V_down );
+    // cout << "climb rate = " << -V_down * 60 << endl;
+
+    if ( !strcmp(aero->getStringValue(), "uiuc") ) {
+       if (pilot_elev_no) {
+           globals->get_controls()->set_elevator(Long_control);
+           globals->get_controls()->set_elevator_trim(Long_trim);
+           //      controls.set_elevator(Long_control);
+           //      controls.set_elevator_trim(Long_trim);
+        }
+       if (pilot_ail_no) {
+            globals->get_controls()->set_aileron(Lat_control);
+            //   controls.set_aileron(Lat_control);
+        }
+       if (pilot_rud_no) {
+            globals->get_controls()->set_rudder(Rudder_pedal);
+            //   controls.set_rudder(Rudder_pedal);
+        }
+       if (Throttle_pct_input) {
+            globals->get_controls()->set_throttle(0,Throttle_pct);
+            //   controls.set_throttle(0,Throttle_pct);
+        }
+    }
 
-    return 0;
+    return true;
 }
 
 
+void FGLaRCsim::set_ls(void) {
+    Phi=lsic->GetRollAngleRadIC();
+    Theta=lsic->GetPitchAngleRadIC();
+    Psi=lsic->GetHeadingRadIC();
+    V_north=lsic->GetVnorthFpsIC();
+    V_east=lsic->GetVeastFpsIC();
+    V_down=lsic->GetVdownFpsIC();
+    Altitude=lsic->GetAltitudeFtIC();
+    Latitude=lsic->GetLatitudeGDRadIC();
+    Longitude=lsic->GetLongitudeRadIC();
+    Runway_altitude=lsic->GetRunwayAltitudeFtIC();
+    V_north_airmass = lsic->GetVnorthAirmassFpsIC() * -1;
+    V_east_airmass = lsic->GetVeastAirmassFpsIC() * -1;
+    V_down_airmass = lsic->GetVdownAirmassFpsIC() * -1;
+    ls_loop(0.0,-1);
+    copy_from_LaRCsim();
+}
+
+void FGLaRCsim::snap_shot(void) {
+    lsic->SetLatitudeGDRadIC( get_Latitude() );
+    lsic->SetLongitudeRadIC( get_Longitude() );
+    lsic->SetAltitudeFtIC( get_Altitude() );
+    lsic->SetRunwayAltitudeFtIC( get_Runway_altitude() );
+    lsic->SetVtrueFpsIC( get_V_rel_wind() );
+    lsic->SetPitchAngleRadIC( get_Theta() );
+    lsic->SetRollAngleRadIC( get_Phi() );
+    lsic->SetHeadingRadIC( get_Psi() );
+    lsic->SetClimbRateFpsIC( get_Climb_Rate() );
+    lsic->SetVNEDAirmassFpsIC( get_V_north_airmass(),
+                              get_V_east_airmass(),
+                              get_V_down_airmass() );
+}                              
+
+//Positions
+void FGLaRCsim::set_Latitude(double lat) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Latitude: " << lat  );
+    snap_shot();
+    lsic->SetLatitudeGDRadIC(lat);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_Longitude(double lon) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Longitude: " << lon  );
+    snap_shot();
+    lsic->SetLongitudeRadIC(lon);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_Altitude(double alt) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Altitude: " << alt  );
+    snap_shot();
+    lsic->SetAltitudeFtIC(alt);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_V_calibrated_kts(double vc) {
+    SG_LOG( SG_FLIGHT, SG_INFO, 
+           "FGLaRCsim::set_V_calibrated_kts: " << vc  );
+    snap_shot();
+    lsic->SetVcalibratedKtsIC(vc);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_Mach_number(double mach) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Mach_number: " << mach  );
+    snap_shot();
+    lsic->SetMachIC(mach);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_Velocities_Local( double north, double east, double down ){
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Velocities_local: " 
+           << north << "  " << east << "  " << down   );
+    snap_shot();
+    lsic->SetVNEDFpsIC(north, east, down);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_Velocities_Wind_Body( double u, double v, double w){
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Velocities_Wind_Body: " 
+           << u << "  " << v << "  " << w   );
+    snap_shot();
+    lsic->SetUVWFpsIC(u,v,w);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+//Euler angles 
+void FGLaRCsim::set_Euler_Angles( double phi, double theta, double psi ) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Euler_angles: " 
+           << phi << "  " << theta << "  " << psi   );
+
+    snap_shot();
+    lsic->SetPitchAngleRadIC(theta);
+    lsic->SetRollAngleRadIC(phi);
+    lsic->SetHeadingRadIC(psi);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+//Flight Path
+void FGLaRCsim::set_Climb_Rate( double roc) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Climb_rate: " << roc  );
+    snap_shot();
+    lsic->SetClimbRateFpsIC(roc);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_Gamma_vert_rad( double gamma) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Gamma_vert_rad: " << gamma  );
+    snap_shot();
+    lsic->SetFlightPathAngleRadIC(gamma);
+    set_ls();
+    copy_from_LaRCsim(); //update the bus
+}
+
+void FGLaRCsim::set_AltitudeAGL(double altagl) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_AltitudeAGL: " << altagl  );
+    snap_shot();
+    lsic->SetAltitudeAGLFtIC(altagl);
+    set_ls();
+    copy_from_LaRCsim();
+}
+
+/*  getting a namespace conflict...
+void FGLaRCsim::set_Velocities_Local_Airmass (double wnorth, 
+                                             double weast, 
+                                             double wdown ) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Velocities_Local_Airmass: " 
+           << wnorth << "  " << weast << "  " << wdown );
+    snap_shot();
+    lsic->SetVNEDAirmassFpsIC( wnorth, weast, wdown );
+    set_ls();
+    copy_from_LaRCsim();
+}
+*/
+
+void FGLaRCsim::set_Static_pressure(double p) { 
+    SG_LOG( SG_FLIGHT, SG_INFO, 
+           "FGLaRCsim::set_Static_pressure: " << p  );
+    SG_LOG( SG_FLIGHT, SG_INFO, 
+           "LaRCsim does not support externally supplied atmospheric data" );
+}
+
+void FGLaRCsim::set_Static_temperature(double T) { 
+    SG_LOG( SG_FLIGHT, SG_INFO, 
+           "FGLaRCsim::set_Static_temperature: " << T  );
+    SG_LOG( SG_FLIGHT, SG_INFO, 
+           "LaRCsim does not support externally supplied atmospheric data" );
+
+}
+
+void FGLaRCsim::set_Density(double rho) {
+    SG_LOG( SG_FLIGHT, SG_INFO, "FGLaRCsim::set_Density: " << rho  );
+    SG_LOG( SG_FLIGHT, SG_INFO, 
+           "LaRCsim does not support externally supplied atmospheric data" );
+
+}
+