Anisotropy messing with smoothing groups ?

[anthonyh]

hi,
as in the image, anisotropy is set to 0,4 causing the object to seem to show strange smoothing across the surface. it`s just a spline with an extrude and a radial brushed metal map on reflect map/glossy channel, no bump.
does anything spring to mind ? is that correct ?
Vray 3.4.03, Max2016.
thanks
anthonyh

[Svetlozar Draganov]

Would it be possible to send us that scene for investigation?

[^Lele^]

either way, how does it look if you set the capping for the extrude to "Grid" instead of "Morph"?

[anthonyh]

hi guys,
I tried extrude grid instead of morph and it`s a bit better but still some rather messy bits in certain places and who knows how it`ll react with animation, so it didn`t really fix it. I tried resetting Vray and remaking the material. Knowing me it`s probably something I`m making Vray uncomfortable with !
I`ll strip it down and send it over or attach it a bit later.
thanks
anthonyh
edit:
here`s just the object with lights/camera. I tried a default vray material and that seemed alright so maybe it is correct ? it still looks weird like it`s picking up smoothing from the vertex points
I`ve also created a new object from scratch and before filleting some of the vertices it renders ok, after it just looks weird so it seems it`s related to that.

[anthonyh]

testy scene.zip

[Svetlozar Draganov]

Thanks for the scene. The problem is that the surface has a planar Map, switch to more appropriate mapping for this object like Box and anisotropy will be handled as expected.

[anthonyh]

Hi Svetlozar,
Ok, I didn`t realise, good to know.
thanks for checking it out.
anthonyh