"Thorsten Froehlich" <nomail@nomail> wrote:
> 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...


Interesting.  I'll give that a try, even though it still means that the
following frames don't even get started until manually halting the renderer.

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