Nuke: reading MR .zt depth files?

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  07 July 2013
Nuke: reading MR .zt depth files?

I'd like to use a 32-bit .zt rendered out of Softimage as my depth pass, but Nuke can't seem to read these. And rendering them out as EXR doesn't seem to produce any readable depth information (perhaps my settings are wrong).

Can .zt files be converted after they've been rendered? I'm stuck using a simple grayscale depth pass, which is not ideal.

  08 August 2013
depth passes are tricking cause there are based on scale.

in the zDefocus node of zBlur node in nuke go to really small focal planes like .00001 see if you get anything.
  08 August 2013
i guess you zDepth in the exr is in some negative space. if you move you mouse over the viewer, while viewing the zDepth pass, you can see if there are any values in the lower right corner.

i think it will be something like -depth or -1/depth. i have no experience with Softimage but you should be able to render a normalized zDepth pass in there. maybe ask in the softimage forum for it
  08 August 2013
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