General Category > Anim8or v0.98 Discussion Forum

v0.97 Preview Ready (With ART Ray Tracer!)

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Kyle:
Wow, youve really outdone yourself Steve. I didn't think anim8or would ever see a real raytracer.
I'm finding myself very lost though, even with the documentation.  I cant figure out how to do simple things such as making the reflection more subtle. (something akin to turning down an environment map value when using environment maps). and I still don't get all these new terms. is there a thread I can go to right now to learn as much as possible about how to get specific results?   I keep finding that using this new renderer makes the lighting way darker to the point where it removes all detail from my pics. makes everything flat.  I know there's something I'm not doing right though.

anyway great stuff from what Ive seen. I think the only major thing left that I'm dying to see from anim8or's renderer is motion blur.
do you for see that ever happening?

oh, and fur ofcourse, but I think we're still pretty far off for that.  but for all I know it may be more achievable than motion blur.

Steve:
Kyle, I'll be the first to admit that setting the materials up for ray traced effects is clumsy at best.  You need to add "Attributes" of the appropriate names and values.  Download the sample .an8 projects on the ART ray tracer documentation page for some examples:

http://www.anim8or.com/download/preview/art_raytracer.html

I'll be writing some better documentation and possibly making it easier to set the necessary values in the future.

Steve:
The properties of dielectric materials are well understood in the field of physics.  There are long standing mathematical madels that explain their behavior when interacting with, for example, light.  Thus they are well suited to ray tracing.  Glass, water, quartz, diamond and many plastics are example of dielectric materials that you can use for more realistic models.  Opaque dialectrics like ceramics are best modeled with simpler materials because they are much faster to render.

Kyle:
yeah, Ive downloaded a couple of the sample files, but even after analyzing them and trying to recreate the attribute values/classes, I still don't get any type of reflection. no idea why.  Ive only been able to get them to work by copy and pasting the sample materials and modifying them to my liking.

lawrence:
Nice work Steve, I'm going to try and make some test renders when I get the time.

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