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Nodes Compositing: why is the Z Depth output a white image?

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Here's a nice little quick tip on how to make your Z-Depth output visible.

If you link the Z Depth output socket of an Input | Render Layer node to an Output | Viewer/Composite Node, you'll get a completely white, meaningless image.

The point is that the Z-Depth output represents the depth map of your scene (from the near-clip plane to the far-clip one) storing the data in a 32 bit format, but you can't see the whole range on your screen.

Was this useful for you? If you have any other such quick tips, please share them :)

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Bart Veldhuizen

I have a LONG history with Blender - I wrote some of the earliest Blender tutorials, worked for Not a Number and helped run the crowdfunding campaign that open sourced Blender (the first one on the internet!). I founded BlenderNation in 2006 and have been editing it every single day since then ;-) I also run the Blender Artists forum and I'm Head of Community at Sketchfab.

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