txty
01-06-2009, 04:02 PM
Hi,
I have a scene with a planes inside some volume. A file texture node is plugged into some shader assigned to the planes. When i use any mental ray shader, mia material in this case, i get aliased edges, mental ray can't see halftones in the alpha, pure black and pure white only. When i use maya native shaders, like lambert or surface shader, alpha works ok but the planes become visible in a strange way
look
http://farm4.static.flickr.com/3121/3174298412_04cdfb776f_o.jpg
I have tried to overcome this in different versions of maya using shaders like mip_card_opacity or P_color+alpha. No success
It's not a problem of tracing depth or anything else. Problem is in the volume shader, planes render ok outside of it.
Why do i get this?
Any workaround?
I have a scene with a planes inside some volume. A file texture node is plugged into some shader assigned to the planes. When i use any mental ray shader, mia material in this case, i get aliased edges, mental ray can't see halftones in the alpha, pure black and pure white only. When i use maya native shaders, like lambert or surface shader, alpha works ok but the planes become visible in a strange way
look
http://farm4.static.flickr.com/3121/3174298412_04cdfb776f_o.jpg
I have tried to overcome this in different versions of maya using shaders like mip_card_opacity or P_color+alpha. No success
It's not a problem of tracing depth or anything else. Problem is in the volume shader, planes render ok outside of it.
Why do i get this?
Any workaround?