That is helpful info!
With the data coming from mantra I've been using Pz -> Z, C[0] -> R, C[1]
-> G, C[2] -> B, C[4] -> A. But 'Of' I wasn't entirely sure what to do with
so I just left the name as it is, unless it was written out with a tuple
size > 1. In that case I went with Of.r, Of.g, Of.b.
Any other channel names are left named as they're found.


On Wed, Apr 17, 2013 at 3:05 PM, Peter Hillman <pet...@wetafx.co.nz> wrote:

>  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 
> <half...@sidefx.com>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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