POV-Ray : Newsgroups : povray.animations : Some frames take forever.... : Re: Some frames take forever.... Server Time
15 Jul 2024 07:13:47 EDT (-0400)
  Re: Some frames take forever....  
From: Thorsten Froehlich
Date: 25 Jul 2014 15:55:01
Message: <web.53d2b55e7498dfad8ae4a24e0@news.povray.org>
Le_Forgeron <jgr### [at] freefr> wrote:
> On 25/07/2014 14:48, mfeldt wrote:
> > I'm rendering an animation of a somewhat complex landscape based on isosurfaces,
> > and rendertimes vary between 30 minutes and infinite.
> >
> > I have taken the usual precautions to limit number of reflections, max_gradient
> > and so forth, but still a few individual frames appear to never finish, the
> > parallel povray processes chewing away at the last few tens of pixels.
> >
> > My problem is now that I do not want to change the scene files since most of the
> > animation is already done and only 5 frames missing. An easy mitigation would be
> > to render those 5 as far as one can get, and use gimp or whatever to replace the
> > missing few pixels from the frames before and after - much like in standard
> > movie restoration.
> >
> > The problem is - povray wouldn't let me have those. All it produces is a
> > pov-state file, and whenever I initiate any kind of abort, no image can be found
> > on disk (3.7, the version).
> >
> >
> > So my question is: Is there a way to abort the render such that I have the
> > partially (almost fully, in fact) rendered image on disk?
>
> No. But the pov-state file contains the picture you need... in internal
> format. (and with a few missing squares, the ones that have not been
> fully rendered)
>
> Is the scene short-enough to be used in a bug report ?

There is a simple solution: POV-Ray knows nothing about the content of the scene
file. So it is possible to use an empty scene file to continue a trace...


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