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Blog

Grass Displacement FAQ

 

Grass thumbnailI frequently receive questions about issues with mental ray displaced grass methods.  In this blog entry I will discuss the most commonly asked questions and offer some insight on displaced grass in 3ds Max & mental ray.

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Realistic results with the mr Photographic Exposure Control

I thought it would be helpful to post some info on getting realistic results out of the mr Photographic Exposure Control. I see frequent questions on various forums in regards to getting photometric lights to "work" with the mrSun/mrSky. There's no problem with using photometric lights and the daylight system configured with the mrSun/mrSky. Most of the time I think the problem stems from improper exposure settings, or users that want/need unrealistic results...like an architectural interior that has an under-exposed exterior (windows show a dark blue sky outside), but is also brightly lit on the interior by the sun/sky.

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Managing color bleed (when using final gather)

This is sort of a continuation on my last entry. In that post I spoke about how color bleed is a perfectly natural phenomenon and not something wrong with your rendering application (mental ray in this case).

With that being said, there are many people out there that want to have control over this natural effect. So how exactly does one control color bleed? Well as with anything in 3ds Max there's probably a dozen ways to accomplish this task...I'm going to discuss one easy (IMHO) method.

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Fix the black edges on your glass material (and other stuff)

Recently Zap gave me some advice on a question I had about glass materials in mental ray / 3ds Max. It was quite helpful so I thought I'd pass the info along.

If you've ever been frustrated with having black edges/faces on your glass materials, this may help. Now of course the most important issue with glass (or anything reflective) is to ensure you have a nice environment for it to reflect. If you leave the default black background then you can't really be too surprised when your glass renders black.

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