Direct comparison - head to head

[longiron]

Also noticed just now that my GSX Kosmos Environments do not show in ORTS.
O t t o

Open Rails uses an entirely independent process to create the sky dome (what you see above the terrain). So MSTS graphics, including KOSMOS, are not used at all. Eventually, our plan is to publish a wiki article demonstrating how the community can modify the sky dome files to achieve different sky effects, but that's a ways down the road.
chrisvw