XGen Archives and LOD Does Not Render

[CHawkes]

I've been using XGen to build a forest scene with loads of trees. In an attempt to speed up the rendering I figured it would be good to set up some lower res geometry for the further away trees. I have got it to work nicely as a test in Mental Ray by setting the Hi/Mid/Lo index expressions to: "$aIndex*$aMul + $aLOD + 3".

The trouble is that I want to render in VRay, and when I do, only the high index objects are rendered as can be seen in the image below.



As I mentioned, the correct objects are rendered as per the viewport in MR, so I am sure XGen is set up correctly, this is an issue with Vray. Is it perhaps a bug or something that has not been implemented yet?

Any ideas would be much appreciated, cheers.

[ivaylo.ivanov]

The LOD is not implemented yet. I'm not sure if it would improve the performance anyway, so it was left for latter.

[CHawkes]

I see. Thanks for letting me know.