Questions tagged [render-passes]

(Render) Passes can be used to split rendered images into colors, direct and indirect light to edit them individually, and also to extract data such as depth or normals. Use this tag for questions concerning the use of render passes.

The manual used to use the phrase Render Passes but no simply uses Passes. Passes are described thusly:

(Render) Passes can be used to split rendered images into colors, direct and indirect light to edit them individually, and also to extract data such as depth or normals.

Each render engine has different pass behavior, described in more detail in the cited manual section.

Use this tag for questions concerning the use of render passes

229 questions
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Rendering World Position Pass

I need to render a world position pass in Blender to check if my idea is correct. I found solution that uses an emissive material and geometry node to render position as colors: How to render world position pass When I render the scene presented…
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Track a pixel between frames using speed (vector) outputs?

With a sequence of frames, I am looking to compute how each pixel moves between two frames (i.e., optical flows). For example, I wish to generate a "pixel movement map" that tells me, for example, pixel '(100, 100)' in frame 1 moves to '(102, 105)'…
Sibbs Gambling
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How to enable other passes on background layer?

Here's what my compositor shows when I have shadow pass enabled. How do I enable it for the background layer as well?
Officepolicy
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I can't save my emission pass

I'm working on a big project in blender 2.82, I open and close it a lot, do renders. My compositing setup uses the emission pass, but every time I close the file and reopen it, the emission pass becomes unchecked and if I forget to re-enable it, my…
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Freestyle lines as an independent render pass

In 2.7x series I could select Freestyle lines into its own render pass. In 2.80RC2 I cannot find such an option. Is it not implemented yet or I am missing it?
Yury
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Accessing to custom render pass

My goal is to render a time-of-flight(ToF) image from a given scene- I want each of the rendered pixel value, to be the length of the photon traveled from the light source to camera. (or average of travel length if many photons are arrived at the…
s_br_m
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In Blender 2.8 +, how do I limit the (animation / multi-frame) render to only one pass (e.g. only z-pass or only Mist pass)?

Related, not properly answered: How to render only a mist pass Related, talks about using compositor: Render Passes separately I have the rendering engine set to Eevee here: I have only the "Mist" pass selected and everything else (including the…
Greg Kramida
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render albedo (color passe without shadow)

I am trying to render the albedo of a mesh with a material, I have managed to get a flat render without lights and shadows by using the diffuse color passe, but the color are not the same as the one used in the material of the mesh. Here is my…
pons de leon
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How to output deep data?

Is there a way to export world position pass, also object position pass (local), and deep pass ? I have searched in the output tab but haven't found anything. thanks a lot!
lio
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How do I do a Z Depth Pass?

Wondering how I do a proper z depth pass. How do I get the hotel to show as well as the road? It's like it's getting cut off or something.
Joshua Lord
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Render decals as 2nd pass?

I have decals on my mesh in Cycles by way of placing it over my original material with a mix shader. How can I render my decals alone on a 2nd render pass? Thank you!
user46544
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How to get correct distance value using Mist pass

I'm trying to use Mist data for getting values of [0,255] for Mist range of [Start, Start+Depth]. but I'v got into two problems: Output values range is only [0,206] for [Start, Start+Depth] Output values are non linear relative to [Start,…
audi02
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How to change background color in diffuse color render pass?

I looked around and seems like its not possible according to another post. As a workaround, i'm using a bunch of white images to act as the background color change. Any way to change the black color itself or a better workaround?
dankie
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How to render an animation of one render layer?

Right now if i press the render button under render layer (inside the compositor) it will render only one single frame.
noibat
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