Questions tagged [cryptomatte]

Cryptomatte is an open source automated ID matte generator created by Jonah Friedman and Andy Jones at Psyop. Blender has adopted the standard beginning with version 2.8 as a compositor node. Use this tag for questions about the cryptomatte node in blender's compostor.

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Cryptomatte is showing the same color for different materials?

I am using cryptomatte. That mostly works fine for me but I found it uncomfortable sometimes. As you all know, the pick color of Cryptomatte depends on the name of the material. The problem is that ...
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21 views

Is there a way to control cryptomatte colors? for object colors for instance masking out of the box in blender

Is there a way to know each color of each object before it will be rendered? Or a way to setup colors for each object. In other words I need to setup a preseted color for each object on the scene. ...
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0answers
13 views

Cryptomatte from volumetric environment is not fully opaque

World shader is simple Volume Scatter with 0.01 density. When I get matte of default cube I get partially transparent result. Look at red-highlighted values. This is a point near center of the cube's ...
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0answers
53 views

Cryptomatte Boundary Artifacts?

I got Boundary Artifacts while using Cryptomatte. I wrote a question on the same topic, and I read a comment that low resolutions could be an issue, and added a resolution perspective to write more ...
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1answer
121 views

How to properly export Cryptomattes for Photoshop?

How to properly export Cryptomattes for Photoshop? Seems I cant find the right thing on the internet so far. In Modo, was just one click to get the " Color ID Pass" I've tried EXR multi layer and ...
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2answers
136 views

Anti-aliasing of ID Mask is more coarse than Cryptomatte

The edges of the Cryptomatte are smooth, but the edges of the ID Mask are rough even if the anti-aliasing option is checked. The anti-aliasing option of ID Mask seems to have a very small difference ...
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1answer
82 views

I get border artifacts when using Cryptomatte or ID Mask

I tested masking in the Blender compositor. Please see the GIF below. The 1st to 3rd outputs are Crptomattes(obj, mat, asset) and the 4th to 5th outputs are ID Masks(obj, mat). All mattes have border ...
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63 views

Cryptomatte aliased/jagged edges output

Is there a way to get antialiased output on cryptomatte?
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0answers
59 views

Cryptomatte outputs one or two colors only

This may be me just being a Blender noobie, but when I try to render a Cryptomatte pass I only get one or two colors, usually green or white, with full alpha transparency for some reason (I had to ...
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2answers
229 views

Blender Python and pass settings

Try this: Manually set checkbox "Denoising Data" on Log shows bpy.context.scene.denoising_store_passes = True Copypaste exactly that into console and hit enter ...
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2answers
139 views

Cryptomatte Pick isn't working. What have I forgotten?

Blender 2.81, 2.81a Windows 10, 2xGTX1080 GPUs, GPU rendering I've been through the Manual and a few tutorials, but I guess I'm missing something. Why can't I get the Cryptomatte Pick working? Is ...
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1answer
95 views

Is Blender 2.8 Cryptomatte samples dependent?

In other words, while rendering a single 2000 sample OpenEXR Multilayer image, I open another instance of Blender, with no scene and a clean compositor. After that I drag and drop a low sample image ...
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1answer
116 views

Cryptomatte & Render Layers: is it possible to recover Cryptomatte from a .PNG sequence?

I will try to explain my noob-problem a little deeper. I have a 3-days-render just done as a PNG sequence. I enabled Cryptomatte pass before rendering, but I eventually realized that the png sequence ...
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1answer
483 views

Cryptomatte - What Crypto00, Crypto01, Crypto02 means?

Why Render Layer node use several outputs, like for object pass CryptoObject00 CryptoObject02 CryptoObject04 and Cryptomatte node several inputs Crypto00 Crypto01 Crypto02 What I tried, ...