Nuke-use Card3D in conjuntion with deep channel

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  09 September 2013
Nuke-use Card3D in conjuntion with deep channel

I have a comp setup - a test using Vray's new EXR2.0 output.

I pretty much set it up like this tutorial:

And here is mine:

Read1+2 are teapots
Read3 is ground plane
Read4 background
So it looks as I'd expect, I can view the deep channel and values correspond to my 3DS Max scene units (cm). I then tried to stick a rotoshape onto a Card3D node and place that between my two teapots and here lies my problem.

I exported my render cam from 3DS Max as FBX and loaded that into my camera (I think that's what I was meant to do).

I then tried to set the uniform scale in the card node and hoped it would correspond to the deep channel depths - this is what was shown on the tutorial but he brushed over than part.

Currently the card 3D depth is reversed, a depth of about 350cm places the roto between the teapots but the depth seems to be reversed and possibly skewed.

Can someone point me in the right direction please?
  09 September 2013
The solution was to pipe the 3D card in before the regular merge node and use the 3dCard's deep to image node to set depth rather than the 3dcard itself.
  09 September 2013
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