OTOY Forums

Hi!
I've just made a test render of frostyed glass and found out that it is quite difficult to render a realistic (noiseless) shiny glass. Is there a way to reduce the noise without cranking up the samples count? Maybe there are some lighting/texture setting I don't know about?

The image below was rendered with pathtracing 2048 samples. But the result is bad. In the render region you may see that it needs more than 13000 samples just to render a satisfactory result, not even a good one. I'd say it's too much for 1080p animation. Or it's not?

click to open the image:

With new Adaptive Sampling

As far as I know this feature will be implemented in the version 3.1. Is it released already? Cannot find it in Downloads section.

Turn up your ray epsilon until you start seeing a visual change. Most of my scenes are at .01. Same goes for GI clamp...I'm usually around 10. Also make sure everything is the correct real world scale. Glass just takes a lot of samples...2k isn't bad at all.

Thanks! This helped. The render time was reduced almost twice.

By the way, found the WIP v3.06 of the plugin just now. Gave it a shot and it works great!
I was able to increase the amount of samples by 6 times (from 2000 to 12000) while keeping approximately the same render time:



Keep it up!