// Calculate center point
SGVec3d cartCenter = SGVec3d::fromGeod(b.get_center());
SGGeod geodPos = SGGeod::fromCart(cartCenter);
- SGQuatd hlOr = SGQuatd::fromLonLat(geodPos);
+ SGQuatd hlOr = SGQuatd::fromLonLat(geodPos)*SGQuatd::fromEulerDeg(0, 0, 180);
double clon = b.get_center_lon();
double clat = b.get_center_lat();