zdepth rendered in RenderMan

Hey guys,

I’m trying to add some Depth of Field into my shot. This is my first time using RenderMan for it, and I’m feeling kind of lost.

I’ve rendered out the zdepth image. I can clearly see that I have a z channel in It, and when I bring the tiff into Nuke it looks like the z information is in the Red channel instead of a Z because I get a solid red image that displays number from 15 to 58 when I run my cursor over it (the same numbers It was giving me). Although it would be nice have it start in a z channel, I can shuffle still it into z.

Now what I think my main problem is: when I attach a zBlur, I can get anything to show up when I play with the focus plane. How do I get my renderMan zdepth to show up? What math should I set it to? Is there another node I should be using before the zBlur?

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