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I was rendering a huge image (for print purposes), when my computer crashed.
I was at approximately 85% through a 5000 line render (after more than a
day).
How would I tell POVray to render the bottm 20% or so only? Then I can
probably join them up in Photoshop. Is there a simple toolbar command-line
option?
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Heh, I guess I should've read the docs carefully first. The Start_Row=0.n
command was exactly what I needed (Where 0 is the row number to start with,
and n is the percent of the file to render). So I used Star_Row=3750.100
It's starting again now, I hope I applied it correctly. If not, somebody
warn me before I spend too much time? :D
"ChaoZ" <nomail@nomail> wrote:
> I was rendering a huge image (for print purposes), when my computer crashed.
> I was at approximately 85% through a 5000 line render (after more than a
> day).
>
> How would I tell POVray to render the bottm 20% or so only? Then I can
> probably join them up in Photoshop. Is there a simple toolbar command-line
> option?
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news:web.441f2e9badad9cf87d7333b30@news.povray.org...
> I was rendering a huge image (for print purposes), when my computer
crashed.
> I was at approximately 85% through a 5000 line render (after more than a
> day).
more than a day! ooooo thats sooo loooong ;-)
>
> How would I tell POVray to render the bottm 20% or so only? Then I can
> probably join them up in Photoshop. Is there a simple toolbar command-line
> option?
>
At first, as your computer crashed, try to save your top portion under
another name.(not rename but save... you must keep the original file
unchanged)
Then try render with +c in the command line,
This option reads in the previously generated output file, displays the
partial image rendered so far, then proceeds with the ray-tracing.
If it starts where it stopped, it's ok. let run
If POV can't find a proper line to begin, it will rerun from the 1st line
(and erase the previous render file, that's the reason to backup it). Stop
the render.
Open your backup output file in an image editor to find how many lines were
rendered. (say 5000 lines were rendered)
add 1 to 5000 (not the hardest part)
re-render with +sr5001 in the command line
join your 2 portions
HTH
Marc
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news:web.441f30d95ea1898e7d7333b30@news.povray.org...
> Heh, I guess I should've read the docs carefully first. The Start_Row=0.n
> command was exactly what I needed (Where 0 is the row number to start
with,
> and n is the percent of the file to render). So I used Star_Row=3750.100
>
> It's starting again now, I hope I applied it correctly. If not, somebody
> warn me before I spend too much time? :D
>
Start_Row in the ini file is as +sr in the command line.
While 0.n is a percentage , an integer will give you the absolute line
number
Marc
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ChaoZ <nomail@nomail> wrote:
> Heh, I guess I should've read the docs carefully first. The Start_Row=0.n
> command was exactly what I needed (Where 0 is the row number to start with,
> and n is the percent of the file to render). So I used Star_Row=3750.100
The correct way of continuing an interrupted render is to use the
command-line option +c besides all the other original settings (make a
backup of the incomplete image file first, just in case). This works
correctly even if you use radiosity (using start_row won't).
--
- Warp
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Good tip. Good thing I wasn't using anything complicated.
It's a relatively simple scene that is really big (10000x5000) and uses a
focal camera, that's why it's slow. Plus, it's being rendered on a laptop.
Warp <war### [at] tag povrayorg> wrote:
> ChaoZ <nomail@nomail> wrote:
> > Heh, I guess I should've read the docs carefully first. The Start_Row=0.n
> > command was exactly what I needed (Where 0 is the row number to start with,
> > and n is the percent of the file to render). So I used Star_Row=3750.100
>
> The correct way of continuing an interrupted render is to use the
> command-line option +c besides all the other original settings (make a
> backup of the incomplete image file first, just in case). This works
> correctly even if you use radiosity (using start_row won't).
>
> --
> - Warp
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