Re: [Openexr-devel] "standard" for storing a depth map?

[Florian Kainz]

The two files in the OpenEXR sample images collection use 32-bit floats
for the Z channel and store world-space Z distances.  All Z values are
positive.  For pixels that are infinitely far away the Z channel contains
a positive floating-point infinity.

Paul Miller wrote:
> On 3/14/2012 1:51 PM, Christian Bloch wrote:
> > 'Z' layer seems to be the de-facto standard, analog to the single 
> > channel 'A' for Alpha, but as full-float buffer. That's what I 
> > scripted into the output pipeline here at EdenFX, and it drops right 
> > into the correct slot in Fusion.
>
> Thanks. Already have it hooked up in my I/O module. I don't suppose 
> there is any standard to the depth range? Or is it common to have a 
> scale/bias somewhere in each application?
>
>
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