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roncoegg2000
02-06-2003, 02:27 AM
I created this image to test out the GI_Joe mel script from www.pixho.com. Sphere of directional lights approach to fake Global Illumination.

I added one extra directional light for the sun. Wanted to give a mid day feel to the scene. It's just some lonely wall in a nondescript city.

This is all in Maya 4.0 with Maya's renderer.

Going to redo this one using GI and Final Gathering in Mental Ray some day. Maybe use an HDRI lighting technique.

C&C welcome.

My site: georgepabich.com

http://georgepabich.com/main/images/3dcg/wall.jpg
protohiro
02-06-2003, 04:12 AM
Some day? Make that day today! I addicted to mental ray. But you start using GI and Final Gather...oh god the render times. Its not pretty. I am in the middle of a print resolution right now, been running 10 hours, 15.5% done with final gather rays. It hurts!
roncoegg2000
02-06-2003, 04:26 AM
I know! I can't afford to keep my computer busy that long at the momment, but soon. One walks lightly into GI with FG in Mental Ray.

One thing that I would have to redo right off the bat is the Paint Effects. Not gonna happen in MR.
WhiteRabbitObj
02-06-2003, 06:54 AM
Oddly enough, I can't even get Mental Ray to render one of my projects. It says that my texture file types are invalid, which are currently GIFs. I had previously used JPGs and TIFFs but neither of those worked either. What sort of image format are you using that is working with Mental Ray? I know I used a TIFF image for a previous character and it worked alright, so I'm not sure why this isn't working correctly. Any ideas from you self-proclaimed MR-addicts?

The wall looks very good btw =) Nice texturing.
roncoegg2000
02-06-2003, 08:15 AM
I believe TIFF is still your best bet. It's the file format that the earlier version of the maya_to_mentalray translator would set as default. It might just be because of the buggy nature of the translator. Even with the new version (1.5) there are still plenty of bugs. It is still in beta.

If you are using a version earlier than 1.5, definitely update.

Also, try to narrow down the problem. Open a new file throw the texture in question on a sphere and render in mental ray. If it works then there is something buggy about your scene file. You may have to rebuild it. If it still doesn't work, try something like opening up the texture in Photoshop, copy it, open a new file, past it, and save that file with a different name. It could be that the texture file itself is dragging around some weird header info that mental ray doesn't like.

Hope this helps.
roncoegg2000
02-06-2003, 08:17 AM
Oh...and thanks for the comments thus far folks.
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