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Mapping anisotropy on a spherical object
show user profile  teemies
Hi everyone!

I would need help with mapping the anisotropic angle on a half spehere-like object.

Basically I want to create a circularly brushed surface and control the position of the middle of the brushing. Linked a screenshot of what I’ve succeeded to produce so far: mapping a flat UWV map on a sphere creates additional “polars” on the semi-sphere on the left.

Now Mr. Neil Blevins has a good tutorial how to do this on a planar object (http://www.neilblevins.com/cg_ed...dsmaxs_Mentalray_Renderer
). Anyone know how to do this on a sphere?!
read 358 times
5/13/2013 8:20:17 PM (last edit: 5/13/2013 8:20:17 PM)
show user profile  herfst1
Tricky, if front on planar mapping (set to radial) doesn't do the trick I'd try side-on planar mapping (set to linear) with the gradient going from black->white->black.
read 335 times
5/14/2013 2:23:08 AM (last edit: 5/14/2013 2:23:08 AM)
show user profile  teemies
Thanks for your reply. Unfortunately changing mapping into linear side is only adding more of these "polars" to the sphere.

Seems that the less tone change in the gradient the less polars. So basically solid would do (this gives me the effect that I want but in a wrong angle). But once there is no gradient the anisotropy angle will not follow the gizmo.
read 316 times
5/16/2013 10:05:01 AM (last edit: 5/16/2013 10:05:01 AM)
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