Alpert
04-10-2010, 02:04 PM
hi,
i'm using a surface shader to attain glow for some of my turbines. everything looks good as long as the faces look towards the camera, like this:
http://img405.imageshack.us/img405/8590/glow1c.jpg (http://img405.imageshack.us/i/glow1c.jpg/)
But as soon as the camera doesn't face them, they don't glow. Here's an example:
http://img402.imageshack.us/img402/7682/glow2a.jpg (http://img402.imageshack.us/i/glow2a.jpg/)
Why is this? Is there another usual way to get a glow shader? The same problem appears when I use a Blinn shader instead of a Surface shader and use the Glow effect of the blinn.
I am using Maya 2009 and render with Mental Ray
i'm using a surface shader to attain glow for some of my turbines. everything looks good as long as the faces look towards the camera, like this:
http://img405.imageshack.us/img405/8590/glow1c.jpg (http://img405.imageshack.us/i/glow1c.jpg/)
But as soon as the camera doesn't face them, they don't glow. Here's an example:
http://img402.imageshack.us/img402/7682/glow2a.jpg (http://img402.imageshack.us/i/glow2a.jpg/)
Why is this? Is there another usual way to get a glow shader? The same problem appears when I use a Blinn shader instead of a Surface shader and use the Glow effect of the blinn.
I am using Maya 2009 and render with Mental Ray