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gsdi correction, wind correction is not needed anymore, as wind composant was removed from u,v,wbody-fps

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This commit is contained in:
janodesbois 2013-10-22 16:13:28 +02:00
parent ecfdf354f1
commit ef1ec369db
1 changed files with 3 additions and 12 deletions
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13
src/Instrumentation/gsdi.cxx
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@ -55,11 +55,8 @@ void GSDI::init()
_serviceableN = n->getNode("serviceable", true);
// input
_headingN = fgGetNode("/orientation/heading-deg", true);
_ubodyN = fgGetNode("/velocities/uBody-fps", true);
_vbodyN = fgGetNode("/velocities/vBody-fps", true);
_wind_dirN = fgGetNode("/environment/wind-from-heading-deg", true);
_wind_speedN = fgGetNode("/environment/wind-speed-kt", true);
// output
_drift_uN = n->getNode("drift-u-kt", true);
@ -74,14 +71,8 @@ void GSDI::update(double /*delta_time_sec*/)
if (!_serviceableN->getBoolValue())
return;
double wind_speed = _wind_speedN->getDoubleValue();
double rel_wind_dir = (_headingN->getDoubleValue() - _wind_dirN->getDoubleValue())
* SGD_DEGREES_TO_RADIANS;
double wind_u = wind_speed * cos(rel_wind_dir);
double wind_v = wind_speed * sin(rel_wind_dir);
double u = _ubodyN->getDoubleValue() * SG_FPS_TO_KT - wind_u;
double v = _vbodyN->getDoubleValue() * SG_FPS_TO_KT + wind_v;
double u = _ubodyN->getDoubleValue() * SG_FPS_TO_KT;
double v = _vbodyN->getDoubleValue() * SG_FPS_TO_KT;
double speed = sqrt(u * u + v * v);
double angle = atan2(v, u) * SGD_RADIANS_TO_DEGREES;