@Finema:
> but... we can do the same with a simple Sweep :
> 1• rebuild the curve
> 2• Sweep , Twist : Flat
Yes, it's not a very common use for RailRevolve which is why it hasn't come up before now. But it's not bad for RailRevolve to be able to do this as well. RailRevolve will usually build lighter surfaces than Sweep because it's an exact construction from the input curves and doesn't go through an iterative refinement process like sweep does. Also I guess the results are very slightly different because sweep with twist = flat will rotate around the z axis with the rotation origin point being the point on the rail curve, while rail revolve rotates around the revolve axis only. So although the rotation directions are the same, the rotation origin points are different.
@Martin:
> Is this the very first sign of v4 life I see before me?
I wouldn't read too much into it - I've got it fixed in the old code base right now so that when rail revolve is ported over it will be fixed in v4 when it arrives there.
- Michael
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