diff --git a/src/FDM/JSBSim/JSBSim.cxx b/src/FDM/JSBSim/JSBSim.cxx index 91c4dd615..c27356da2 100644 --- a/src/FDM/JSBSim/JSBSim.cxx +++ b/src/FDM/JSBSim/JSBSim.cxx @@ -1331,9 +1331,11 @@ FGJSBsim::get_agl_ft(double t, const double pt[3], double alt_off, { const simgear::BVHMaterial* material; simgear::BVHNode::Id id; - if (!FGInterface::get_agl_ft(t, pt, alt_off, contact, normal, vel, - angularVel, material, id)) - return false; + + // don't check the return value and continue above scenery discontinuity + // see http://osdir.com/ml/flightgear-sim/2014-04/msg00145.html + FGInterface::get_agl_ft(t, pt, alt_off, contact, normal, vel, + angularVel, material, id); SGGeod geodPt = SGGeod::fromCart(SG_FEET_TO_METER*SGVec3d(pt)); SGQuatd hlToEc = SGQuatd::fromLonLat(geodPt);