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charset=UTF-8 Content-Transfer-Encoding: quoted-printable Thnx Brendan. I just used the ProEXR Cryptomatte on a projected this week = in AE 2019. I prerendered all the mattes I needed in AE. It is great to be = able to get Mattes out of a 3ds MAX/Arnold project. I only used object to = save on channels. From: After Effects Mail List Sent: Thursday, November 8, 2018 1:56 PM To: After Effects Mail List Subject: Re: =5BAE=5D ProEXR 2.0 On Nov 8, 2018, at 10:33 AM, Teddy Gage = > wrote: Brendan I tried to use cryptomatte on a few comps in AE using the previous = version and it was brutally, unworkably slow. Render times ballooned to = long lengths like over an hour per frame at high bit depths or big comps- = how is the speed of this new implementation? That sounds like you were running into the problems Chris made me aware = of. If you were, the speed improvements in the release will be dramatic=21 What was happening (ever since AE CS6 and before=21) is that when you had = an EXR sequence and AE was running EXtractoR or something, AE would read = the EXR header many, many times=E2=80=94once for each channel, in each = instance of EXtractoR. When you add in Cryptomatte the EXR header gets = much bigger, multiplying the problem. The result was that these EXR = sequences could be unbearably slow. For some reason AE didn't do this when = you just had a single frame. The latest release of AE is still doing this, I believe, but this version = of the OpenEXR plug-in always caches channels and also headers. This makes = things much better, as I think Chris will attest. Now, Cryptomatte is still not the fastest thing. After all, it usually = processes 12 EXR channels in one pass. Some proxy creating might be wise. But the extreme slowdown there was before should now be gone. Brendan ________________________________ --_000_DM5PR10MB18197DBBC9E897F63A4BCF2DDEC50DM5PR10MB1819namp_ Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <=21--=5Bif =21mso=5D><=21=5Bendif=5D--><=21--=5Bif gte mso 9=5D> <=21=5Bendif=5D--><=21--=5Bif gte mso 9=5D> <=21=5Bendif=5D-->

Thnx Brendan. I just used the ProEXR = Cryptomatte on a projected this week in AE 2019. I prerendered all the = mattes I needed in AE. It is great to be able to get Mattes out of a 3ds = MAX/Arnold project. I only used object to save on channels.

 

From: After Effects Mail List = <AE-List=40media-motion.tv>
Sent: Thursday, November 8, 2018 1:56 PM
To: After Effects Mail List <AE-List=40media-motion.tv>
Subject: Re: =5BAE=5D ProEXR 2.0

 

 

On Nov 8, 2018, at 10:33 AM, Teddy Gage <AE-List=40media-motion.tv= > wrote:

 

= Brendan I tried to use cryptomatte on a few comps in AE using the previous = version and it was brutally, unworkably slow. Render times ballooned to = long lengths like over an hour per frame at high bit depths or big comps- how is the speed of this = new implementation?

 

 

That sounds like you were running into the = problems Chris made me aware of. If you were, the speed improvements in = the release will be dramatic=21

 

What was happening (ever since AE CS6 and = before=21) is that when you had an EXR sequence and AE was running = EXtractoR or something, AE would read the EXR header many, many = times=E2=80=94once for each channel, in each instance of EXtractoR. When you add in Cryptomatte the EXR header gets much bigger, multiplying the = problem. The result was that these EXR sequences could be unbearably slow. = For some reason AE didn't do this when you just had a single = frame.

 

The latest release of AE is still doing this, I = believe, but this version of the OpenEXR plug-in always caches channels = and also headers. This makes things much better, as I think Chris will = attest.

 

 

Now, Cryptomatte is still not the fastest = thing. After all, it usually processes 12 EXR channels in one pass. Some = proxy creating might be wise.

 

 

But the extreme slowdown there was before = should now be gone.

 

 

Brendan

 

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