I have the anti aliasing on number 4. Which number is the best and clearest?
That's strange, 4 is the best though. If you're running a Nvidia accelerator all I can think is that your default Hardware acceleration settings is set to performance. I normally leave it at "Let 3D application decide"
Anti aliasing should filter out the edges of any 3D brush. This gets rid of that pixel look on all the edges.
Here is a RMC Iron Horse coaster that uses the most recent woodie contest terrain. It has two Ravine Flyer low hills, 75MPH top speed and a barrel/zero G roll.
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that looks pretty sick, i hope you finish this off amd upload it, you should play with the timing to make a train enter that prelift area as another is going through the roll,