Re: [Openexr-devel] Null data window

[Piotr Stanczyk]

I seem to remember we ended up limiting the size of the DOD when 
processing the rendered images and filling with black

Piotr


Dr Piotr Stanczyk
R&D Digital Film
The Moving Picture Company
London, UK
On 2 Mar 2005, at 20:08, Ciaran Wills wrote:

> On Wed, 2005-03-02 at 19:56, Florian Kainz wrote:
>
> > Right now, the library won't let you save or load
> > a file with no pixels in it.  Adding this capability
> > wouldn't be too difficult; we'd just have to do a lot
> > of testing to ensure that empty files don't break
> > anything.
> >
> > Why do you need image files with no pixels?
>
> We post-process renders to set the data window to bound the non-black
> region of the frame.  It saves a little bit of disk space and makes 
> life
> much easier in compositing as the images come into Shake with their 
> DODs
> already set.
>
> I have been setting the data window to a 1x1 black pixel but we hit a
> bug in Shake concerning small DODs, so I was just wondering if there 
> was
> a way to explicitly mark the file as empty.
>
>
>
>
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