Re: [Oiio-dev] Multi-image file format

2012-11-28 Thread Piotr Stanczyk
:) As I can remember we did go that extra km to make sure that we started off with a more strict set of common attributes that we could consider relaxing in future releases if the need arose. I seem to remember coding the tests for that :) Piotr On Wed, Nov 28, 2012 at 11:15 AM, Jonathan Gibb

Re: [Oiio-dev] Multi-image file format

2012-11-28 Thread Jonathan Gibbs
> I'm a little sorry now that we didn't go the extra mile on OpenEXR 2.0 and support multiple images in full generality. That's right. I had forgotten about that limitation. Oh well, maybe 3.0! Another possibility is just to write an imageio plugin for your "map" > format -- OIIO can dynamically

Re: [Oiio-dev] Multi-image file format

2012-11-28 Thread Larry Gritz
Hey, Jono! If you're just starting to investigate OIIO, please make sure you're working from the 1.1 branch. It's got lots of recent fixes that you won't find in earlier stable branches. OpenEXR 2.0 has "multi-part", but it's very limited -- all "parts" must have the same data window/resoluti

Re: [Oiio-dev] Multi-image file format

2012-11-28 Thread Alan Jones
Hi Jono, I'm out sick today, but wouldn't mind swinging by and having a chat about extra parts of this when I'm in. You may find it useful to have a read through an old post of Larry's http://lists.openimageio.org/pipermail/oiio-dev-openimageio.org/2010-September/003455.html Half-float or higher

[Oiio-dev] Multi-image file format

2012-11-28 Thread Jonathan Gibbs
Hello OIIO folk! We've had a side project to look at OIIO and it's texture sampling abilities as an alternate to our in-house library. It's been kind of hard to compare them as the algorithms are different, but I will share some results when we can bang them into a reasonable form. Our in-house l