Forum: Poser - OFFICIAL


Subject: New Characters and Exotic Shaders

basicwiz opened this issue on Apr 07, 2009 · 88 posts


bagginsbill posted Tue, 07 April 2009 at 8:21 PM

You were right to return that, but not because it has a shader. Return it because it has a bad shader, and one that doesn't work right with GC!

I can't see all the connections to know for sure, but I do know:

1) It uses FastScatter - which usually becomes the equivalent of ambient
2) It has little to no specular - the #1 feature of skin is the specular reflections

I'm sure you had to make a screwy lighting setup to make it look right, which would surely make other things look wrong. I agree with you.

And the suggested render settings are very over the top. Almost everything stated would:

1) Do things that are irrelevant to this shader, i.e. have no effect

  1. Do too much work for no benefit

For example, why suggest high ray-trace bounces when the shader has no ray-traced effects? For almost everything, 1 bounce is enough. Only if you're looking through multiple layers of glass or have multiple mutual reflections would you need more than one bounce. Furthermore, it says

"Raytrace Bounces: 4 (If you use AO, minimum should be 2)"

AO has NOTHING WHATSOEVER to do with ray-trace bounces. AO works with 0 bounces. You simply have to enable ray-tracing and it works.

The min shading rate .1 or 0 will do nothing because all the default values on the body parts have .2. The higher value is used.

Anyway, these render settings will not make things look bad. They will look great for the most part, as much as render settings influence appearance, although most of these settings are unnecessarily aggressive.

The real problem is the shader was constructed badly, and requires that you put too much light in to make it look right. Other things don't work then.


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