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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Render cryptomatte pass with python
I have a scene in scene in Blender:
Through python I generate copies of a metal part you can see on the left, drop them into the box and then render. Then, based on a condition, some metal parts are ...
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Why are my Cryptomatte Node's "Crypto.xx" inputs missing?
I have several Cryptomatte output sockets on my Render Layers node, but no place to plug them in. The only input on my Cryptomatte node is "Image".
Render Layers node outputs:
...
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Material Override on Custom Selection
I have this example here where I have milk inside frosted glass.
I need a matte for the milk including the refractions on the glass.
Cryptomatte only gives me a matte for both objects combined.
In ...
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How to select a material or object using the cryptomate node if it is a volume
I have a cube in the scene that I have assigned a volumetric material to. Why can't I select it using the cryptomate node when composing a scene? All materials and objects in the scene are displayed, ...
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Cryptomatte issue when saving EXR files from output file node Cyptommate passes getting glitched [closed]
i'm working on a professionnal animations right knoww and i'm having a big issue with the crytomate output.
Context :
I will render an animation and i want to have the cryptomatte passes. I'm working ...
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Cryptomatte image sequence
i've an issue with my cryptomatte , eveything was ok until strangely the cryptommate node stop working with image sequence .. it's very strange because if i load one frame as a single image its ...
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Merging Semantic Segmentation Maps with Mix Node
I use Blender to generate training data for semantic segmentation of images.
The masks are generated using a Cryptomatte node. When I output the masks directly (matte.png in the image below, first ...
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Is there any way to mask out surface and leave reflection/shadow only?
I'm trying to create a composite image with bottles on a table and I need to have shadow/refraction/gloss of the bottle to be separate from the bottle itself. I tried Shadow Catcher pass, but it ...
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Get cryptomatte for volume objects
How can I get a cryptomatte or another form of mask for an volume object in Blender?
All volume objects are just missing from the cryptomatte and aren't selectable in the compositor using the ...
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Why some objects won't show and selectable in Cryptomatte?
I have created some metalballs and animated them, and I need them to get excluded and masked in Composition, but I can't select them in any kind of matte: asset, material or object
The problem gets ...
- 155
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Is there a way to export the Cryptomatte "pick" image entirely?
I'm using the cryptomatte node to export individual mattes for various items in my renders, but I'd like to also export the entire "pick" image to a new file just as it's visible in the node ...
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How to dim a light source's effect on selected materials using light groups in the compositor?
In Blender 3.2.2 I have multiple light groups to light up a scene of objects. One light group in particular(HL group) is used just to highlight a singular object. I wish to dim the effectiveness of ...
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1k
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Object Index Blender 3.0
Unable to get Object Index output in Blender 3.0. I am using the process given in the image. Is it right? Please help.
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Cryptomatte issue
I'm trying to add cryptomattes into my workflow and it is working just fine in blender compositor but I can't make them to work in any other software (Nuke, Davinci, After Effects).
What am I ...
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Cryptomatte node not displaying anything?
I am not sure if a screenshot is needed. Basically, I have rendered a sequence in open EXR Multilayer 32 Bits.
When I import the files into a new Blender file in the compositor I can see the ...
- 213
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Mixing Cryptomatte
I have a problem. I made 2 renders with diffrent lighting and first I wanted to separate parts of them using cryptomatte and than combine them, but fore some reson one part is partly transparent
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Cryptomatte has gaps between them
So when i composited my render, i noticed my cryptomatte somehow have some gaps that cause glitches
the soldier and the wood has noticeable gaps
and after i checked the cryptomatte data, it does have ...
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I want to remove one object from my render so that it leaves just a transparent background
I want to remove the pool water from my image, so that there is only a transparent background, so that I can add the pool I rendered in luxcore in photoshop.
Right now, because I could not get it to ...
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What are Multipass and crypto mattes?
I have animated a character with texture. I want to composite / integrate it into my reallife footage. I have heard about multipass compositing is it possible to get different passes rendered from ...
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Best practise question for screen replacement with multiple moving screens: Cryptomatte / ChromaKey
I am building a 3D animation for a video background. It will be moving and stacking tower of TVs.
It will spawn multiple screens, stack them and then turn them on and off, display noise patterns on ...
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Alpha over node is including unwanted objects in the image?
In this space animation that I'm working on, I would like to composite a blurry version of the planet into the background to create an atmosphere effect. So far I've added a cryptomatte node to cut ...
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Cryptomatte - Clean edges
blender people, please, does exist a solution to make a clean render pass for ID colors - materials? I want to achieve a same solution like in VRAY - material ID. After that, I want to import it in ...
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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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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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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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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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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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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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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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Cryptomatte aliased/jagged edges output
Is there a way to get antialiased output on cryptomatte?
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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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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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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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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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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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Cryptomatte - What does Crypto00, Crypto01, Crypto02 mean?
Why does the Render Layer node use several outputs, like for object pass, such as -
CryptoObject00
CryptoObject02
CryptoObject04
While Cryptomatte node uses several inputs like the following -
...
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