RNAV: use runway departure end for previous wpt.

[flightgear.git] / src / Instrumentation / gsdi.cxx

diff --git a/src/Instrumentation/gsdi.cxx b/src/Instrumentation/gsdi.cxx
index 7a5e45481c9a1eef4727dcfed7e5acca2b9181ad..b383f3c3e8a9a6349f1b4a6cf9e9dd15387358f1 100644 (file)
--- a/src/Instrumentation/gsdi.cxx
+++ b/src/Instrumentation/gsdi.cxx
@@ -55,12 +55,9 @@ 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);
        _drift_vN = n->getNode("drift-v-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;