Displacement "Max Subdivs" Bug?

[katho3d]

Hi, seems there is a problem with the displacement (default and mod) "Max Subdivs" value.

I can type in any value from 1 to 512 but the result and rendertime is always exactly the same.

Rendered images and the testscene is attached.

Vray Adv. 1.5 SP5
3ds max 2009 x64 and 3ds max 2011 x64

Thanks
Thomas

[LarsSonparsson]

I tested it too, and you are right.

I added dispmodifier to the plane.
Unchecked the View-dependent and tried max subdivision values like 2 and 10 and 256.
Nothing changes.

-LarsSon

[vlado]

It only works for subdivision; the parameter is ignored for regular displacement.

Best regards,
Vlado

[katho3d]

Thanks, that explains it.

[Morbid Angel]

I believe it also works only when using motion blur.

[LarsSonparsson]

It only works for subdivision; the parameter is ignored for regular displacement.

Best regards,
Vlado

In that case the max subdivision should be in different place and active only when subdivision mode is selected.
Like this: