POV-Ray : Newsgroups : povray.beta-test : Resuming renders in 3.7 RC6 is confusing at best, broken at worst : Re: Resuming renders in 3.7 RC6 is confusing at best, broken at worst Server Time
2 May 2024 08:50:23 EDT (-0400)
  Re: Resuming renders in 3.7 RC6 is confusing at best, broken at worst  
From: Chaanakya
Date: 21 Aug 2012 19:00:01
Message: <web.503412d63b0e95473eebe80d0@news.povray.org>
Alain <kua### [at] videotronca> wrote:
> Le 8/21/2012 3:28 PM, Chaanakya a écrit :
> > Hey guys!
> >
> > I've been trying to figure out exactly how the resume (or continue, +C) feature
> > works in 3.7 RC6.  Whenever I try to resume, it either sits there with no output
> > (after === [Rendering...] ===) or it sits there with the output "Rendered 1024
> > of 14700000 pixels" (I'm rendering a 1400 x 1050 image).  Yes, I paused at a
> > stage where every step takes a long time, but I'm confused by the output.  Is it
> > actually resuming?  It says "Continued trace......On", so I would assume so.
> > But then, why doesn't it resume the "Rendered" counter where it left off?
> >
> > Thanks in advance!
> >
> > - Chaanakya
> >
> >
>
> It does effectively resume the render where it was interupted.
> The pixel count don't take into acount the part of the image that was
> done, only the part to be done. If the bit of the image is one that take
> a LOT of time, it will look as if it's gone into limbo, but it's still
> working and will eventualy show some progress.
>
> When resuming, you need to access the *.povstate file, that may be very
> large and take some time to process, and re-parse the source file. If
> the parse was long, it will take that same time every time you resume.
> If the scene use radiosity, the pre trace step will be repeated, but
> only for the part not yet rendered.
> I've not yet resumed a photons scene.

Alright.  Thanks for the info! :)


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