Another hot pixel thread.

[mikeadamwood]

I've read most of the other hot pixel threads and couldn't really get a straight answer from it, so any tips to deal with hot pixels.. (Please kick me if I'm missed an important thread about this)

I'm fairly new to Octane and still messing around, although haven't had the confidence to bring it into production yet. I love the whole sci-fi type artwork and I do a lot of animation/rendering for tech sector so I really need to get this look down.

Quick test. My samples were around 1500 for test purposes.

I've tried: Blackbody emission with temperature hot
I've also tried to do a texture emission with RGB spectrum which seemed to produce the same result.
Messed with the caustic blur and also reduced the hot pixel removal to low like another thread said.
Tried various different render settings but 9 times out of 10 it will worsen the effect.

Unfortunately my machine shut down while I was out meaning I lost this quick test...

If a scene file is needed I can post one up tomorrow if I quickly mock the scene up again, meanwhile if anyone can shine some light on this that would be awesome! I don't want to be in the position where I'm avoiding using complex light setups due to this problem.

Thanks.

[atome451]

Hello mikeadamwood,

Difficult to say something without a scene file but for this kind of noise and visible colored lights, you should try to work with GaussianSpectrum for the color of the light, not RGBSpectrum.
But... well... as blackbody is also wavelenght, it should work too without noise. Then, there is probably another problems i'm not able to identify with your picture.

Nice picture anyway!

[mikeadamwood]

Haha thanks man I'm still very much in my infancy with Octane, just messing about really when I get chance.

I did get some better results after this post but its very temperamental. I will give the Gaussian spectrum a go later on when I get home.

Thanks for the advice!