Nth frame math is off (SMTD)

[im_thatoneguy]

The SMTD nth frame submission seems have broken logic. I said I wanted “28 frames” of 0-71. It sort of gave me every 3rd frame or so.

0,2,5,7,10… 60,63,65,68.

This is incorrect spacing. It should be divided such that it ends on the final frame (71). The proper technique is you take the first and the last frame and then evenly spread (N samples - 2) between those two points.

E.g. if you are doing 3 samples you do

0, 5, 10.

0 , (10/N-1)*X, 10

I think you’re just doing:

(10/N) * X
0, 3, 7

[Bobo]

What option are you talking about - the Render Preview Job First option with #Frames 28?
SMTD behaves just like Max - if you set 0-71 with Nth 3, guess what you get? No 71!
So SMTD’s behavior is probably consistent with the way 3ds Max works.
But we will see if we can implement your approach if that is important…