Comments on: Intro to 32bpc in After Effects

By: roban

roban — Sat, 15 Oct 2011 19:36:30 +0000

Hi! thanks for the fast answer! Yes, AE is on 32 bit…yes, it has bright areas, it’s the depth pass… I have an .exr file prom Maya, with depth pass (32 bit), I import it to AE and modify it with levels because of the outside 0-1 range… I’m trying to do this with Cinema 4d but I can’t achieve the outside 0-1 range… Thanks!

By: Kert Gartner (VFX Haiku Admin)

Kert Gartner (VFX Haiku Admin) — Sat, 15 Oct 2011 18:18:20 +0000

Hum, i’m not sure what exactly could be going on there without looking at the files that C4D rendered. Did you make sure to change your AE project to 32 bit after importing the EXRs? Maybe there’s no overbright regions in your C4D render?

By: roban

roban — Sat, 15 Oct 2011 17:27:07 +0000

Hi Kert!! Thanks for all the great tutorials!! I have one question about 32 bit depth in Cinema 4d.. I render an 32 bit .exr image in Cinema 4d (13) , import it to after effects, but I don’t have the same result about the white and black color like in your video. Cinema 4d has a “fake” 32 bit depth?? I would really appreciate if you could help me with this.. Thanks!

By: Kert Gartner (VFX Haiku Admin)

Kert Gartner (VFX Haiku Admin) — Thu, 27 Jan 2011 17:32:31 +0000

Hi Michael, By all means, you’re allowed to go outside the 0-1 range, but anything above 1.0 will be overbright, and you won’t be able to “see” it. All of the information will still be there, so no information gets clipped when it hits white, like it does when in 8 or 16 bit mode.

By: Michael

Michael — Thu, 27 Jan 2011 04:56:05 +0000

Nice Tut! I been currently working a lot in 32 bit mode and had a question in regards to the info palette/colors. Dont know if I read or heard it somewhere, but I thought while making color corrections and everything, that you should stay between the 0-1 range? Is that wrong? Can you go outside those ranges?

By: Nelson Nunez

Nelson Nunez — Thu, 21 Oct 2010 17:16:34 +0000

Kert, thank you for this tutorial, there isn’t too much info out there about this that presents it as clearly as you do.

I’m going to check out your other tutorials!

By: Kert Gartner (VFX Haiku Admin)

Kert Gartner (VFX Haiku Admin) — Wed, 22 Sep 2010 22:09:27 +0000

Hey Daniel,

I agree. There are a ton of filters in AE that don’t support 32bit, and it’s really a shame. Depending on the workflow of whatever project i’m working on, sometimes i’ll just render 16bit elements out of AE and comp them in Fusion, so I can work with them in 32 bit mode. Other times, the filters available in AE are enough to do the project. Most of the time, when you’re doing heavy composting work anyways, you’re not using too much more than simple tools, and the really fancy plugins don’t really come into play, so it’s not that big of a deal.

By: Daniel

Daniel — Wed, 22 Sep 2010 21:59:22 +0000

Thanks for the tutorial! My question is actually from a different persepctive: I use 32 bits a lot in Nuke and Shake, but in After Effects I often find that many effects do not support 32bpc. I know there are workarounds (some are mentioned in the book “After Effects Studio Techniques”, but It’d be great to see as clear an explanation as the one you gave here.

By: Alek

Alek — Tue, 08 Jun 2010 02:51:21 +0000

Thanks Kert – u da man!

By: Kert Gartner (VFX Haiku Admin)

Kert Gartner (VFX Haiku Admin) — Mon, 07 Jun 2010 14:06:25 +0000

Hey Alek,

There’s no video format out there that supports 32bit floating point. The moment you want to compress to a quicktime, or some other AVI format, you’re going to clipping the data usually to 8-bit in the end. There are some codecs that support 10bit quicktimes, but I think they require special hardware (like blackmagic cards etc.)