Re: [Openexr-devel] Trouble creating deep scanline files

Wed, 17 Apr 2013 15:06:14 -0700

Indeed, the EXR library does require the OutputFile objects to be destroyed cleanly to write a valid file. 'new'ing an OutputFile object and forgetting to delete it is a similar gotcha.

By the way, you should use "A" not "O" as the channel name for alpha/opacity: Nuke doesn't complain when trying to load the file, but the alpha channel is blank.
Internally, OpenEXR needs A to be alpha to be able to composite deep images into flat ones.






On 04/18/2013 05:59 AM, Chip Collier wrote:
Doh! Ok, the real offender in that code was the call to exit instead of just returning from main.

I believe this was preventing any threads from completely writing the file. I just started from some other tool and didn't even look at that. :) Thanks for the extra eyes!


On Wed, Apr 17, 2013 at 10:37 AM, Halfdan Ingvarsson <[email protected]> wrote:
On 13-04-17 01:17 PM, Chip Collier wrote:
Thanks Halfdan,

I've tried it both ways but get the same results.


Attached is the modifications I made to swap the x/y coordinates. Works fine for me after the changes.

Tested on 64-bit Linux.

Loads in Nuke, even :-)

 - ½




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