GPSModel gpsmodel.ac ../../../../Effects/interior/lm-gpsmodel gpsmodel material gpsmodel /sim/rendering/shaders/skydome /sim/rendering/shaders/model 0 /sim/model/c172p/lighting/rgb-ra-r-factor /sim/model/c172p/lighting/rgb-ra-g-factor /sim/model/c172p/lighting/rgb-ra-b-factor