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Hi, wondered if anyone can shed any light on my problem. Which is a bit ironic as it seems to be some kind of irradience light cache problem. These are my settings adaptive dmc set to 1/6 irrmap hsph 50 interp 20 set to use camera path light cache 1500 sample size 0.1cm noise threshold 0.01 with 0.8 adaptive amount it's all real world scale, I've done a incremental add to map every 5th frame the animation is 3000 frames long, I'm still getting the strange blotches everywhere, the scene is lit with a vray sun, ies lights and vray lights, they are all vray materials. If anyone can help I'll be very grateful indeed.

Recently a couple of us went to a VRay training seminar by the man himself Vladimir Koylazo (one of the makers of VRay) who went through a number of facets of VRay including a step by step way of breaking down your render settings into logical steps to get the best combination of quality and speed. I thought this was just too gooder process not to share so have decided to put together the following tutorial taking people through these steps he explained so VRay will hopefully become less complicated, and so you can better critique what is happening within your scenes. It's a more organic process that fits with any scene you do, so you should be able to use it for anything (apart from animated objects- which are another story). It's quite a lot to go through so I hope it's not too long, but there's quite a bit to cover! Enjoy. www.jamesshaw.co.nz/blog/?p=542