FWIW I use regrain on a white constant , prerender RGBA in the gui, 30-50
frames, then bring that back in, loop and multiply the plate with it.
Means only rendering the regrain once and then everything is nice on the farm.
Howard
>________________________________
> From: Frank Rueter <fr...@beingfrank.info>
>To: nuke-users@support.thefoundry.co.uk
>Sent: Friday, 9 August 2013, 4:20
>Subject: Re: [Nuke-users] F_Regrain unreliable on render farm?
>
>
>thanks guys.
>yes, that's how I have been generating grain plates, but I found I got
>better results using F_Regrain live - when and if it works.
>
>
>cheers,
>frank
>
>On 09/08/13 15:12, Ben Dickson wrote:
>> I've always found the F_Regrain unreliable, for various reasons:
>>
>> * it used to redo the analysis on each frame when on the farm, so you
>> had to HoldFrame the grain-src input. This may have been fixed, but I
>> still do this out of paranoia
>> * sometimes, the grain seed seems to change - e.g when packaging shots
>> up for sending to other vendors, several times I've noticed the
>> F_Regrain was producing slightly different results.
>> * Bug 34939 - F_ReGrain - negative Grain input crashes Nuke
>>
>>
>> Probably others too.. but, all these problems go away if you precomp
>> the generated grain, something like this:
>>
>> http://i.imgur.com/2dSTW2I.png
>>
>> Not exactly the same as applying the Regrain node directly to the
>> image, but much less troublesome
>>
>> On 09/08/13 12:18, Frank Rueter wrote:
>>> Hi all,
>>>
>>> this is reported but was wondering if I'm the only one who finds
>>> F_Regrain close to unusable in a render farm environment?
>>>
>>> It's all dandy as long as you render locally, but as soon as you have
>>> multiple machines render a script with F_Regrain in it, some of the
>>> frame batches are all screwed up with completely wrong grain (way to big
>>> and intense - confetti like).
>>> It seems like F_Regrain samples it grain again when the batch starts or
>>> something. I'm rendering on linux and osx, workstation is linux.
>>>
>>> Does anybody know what I'm talking about? Maybe even a solution to
>>> fixing it? I will generate a grain plate locally now and use that on the
>>> render farm for now.
>>>
>>>
>>>
>>> Cheers,
>>> frank
>>>
>>> _______________________________________________
>>> Nuke-users mailing list
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>>
>
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