Z-Depth problem

[Dave Buckley]

Having a problem getting my z-depth image right, i don't know what values to set for my minum and maximum values in the render elements.

 

it keeps returning white, i have enclosed a screenshot showing a top view of the scene which displays camera position, could somebody dupe this to show me where i should measure from and too for minimum and maximum values to get my z-depth right, i need to use it for depth of field

[mattclinch]

from just in front of the first (bottom) ball, to just after the last (top) ball.

 

have you got your exposure control still on or soemthing? are you doing it as an element?

[Dave Buckley]

hmm yes, doing it as an element. and exposure control is on for the main render, how can i do a separate one altogether

 

matt i'm starting to feel like i should buy you a few beers or something

[Dave Buckley]

oh and where am i measuring from??? my camera i guess

 

minimum, camera to first ball

 

maximum, camera to second ball???

 

do i not need to worry about the studio screen behind the balls

[mattclinch]

if you're doing it as an element, leave exposure control as is.

 

min - from camera to just BEFORE the first ball

max - from camera to just AFTER the last ball

 

the studio screen will white out, which is what you want anyway i guess.

[Dave Buckley]

nice one matt cheers have a beer and invoice me

[Dave Buckley]

its done the opposite, my studio screen has blacked out and the last ball isn't even visible

[Dave Buckley]

done it, just used the 'invert' option when using it in photoshop on the lens blur filter