Questions tagged [compositing-nodes]

Questions related to compositing nodes available for compositing render layers into final renders in the compositor.

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1answer
21 views

How to render composition

I have rendered an image and am doing composition on it. Is it possible to apply the composition to the already render image without rerendering it completely? It would save me a lot of time.
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1answer
82 views

How do you make this vintage chrometype style?

I see a lot of those on Instagram and I want to do an artwork in this style but it seems that this is a special shader or maybe even render engine? How is this made in Blender and Photoshop?
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16 views

Nodes are not connecting in compositor

Im using blender 3 . after my render is finished, i was trying to do some post processing in the compositing tab. but the nodes were not connecting to each other. please help me
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1answer
38 views

Final render isn't showing composite background color

I'm following Blender Guru's donut tutorial and this is my first go at 3D rendering. I have a problem I can't seem to solve. I created a background color for my donut in compositing, and I can see it ...
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1answer
12 views

When overlaying a scene over a movie in compositor the movie does not move, only the first frame is shown [closed]

I have a composite, the scene layer overlaid over the movie, but when I run the animation the movie stays at the first frame. What have I done wrong?
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28 views

Mist pass gives white edges

Utilizing the Mist pass in the Compositer I get white edges on objects. Why is it, I always thought that the Mist merely defines black to white color depending on distance and nothing more?
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1answer
42 views

Distance Key Node

I am trying to understand what is exactly the Tolerance of the Distance Key Node and so far there is no success. From Blender manual Tolerance: "A threshold what the node considers a match ...
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2answers
44 views

How can you choose which parts of meshes are seen in front of others in the viewport? [closed]

How can you put one object behind another, but make it so it's seen in front in the viewport AND in the final render? (for example here the eyes are behind the head but but when in rendered view you ...
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0answers
11 views

glossy indirect reflection showing through object

There is a faint line at the top of the phone which matches the gloss indirect pass shown below. This is the node setup, the odd thing is there was also another line down the left side of the phone ...
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0answers
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My Composite nodes doesn't effect the final render (It's connected to composite)

As you can see the exported render doesn't have the bloom (the bg is transparent, it's not white. I imported it to premiere with a black bg and there is no bloom). Also the Composite node is connected....
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0answers
20 views

Merging EXRS with an alpha

Can someone help me on this? I need to merge two Multichannel EXRs with an alpha mask then export to a final merged EXR. When I link the combined channel to an alpha over node then link to output node ...
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1answer
23 views

Why does my render not show whitespot/overexposed part when i save it in OpenEXR format?

I've been wondering why this happens. When I save my rendered image (this is a smoke & fire sim) in OpenEXR format, it doesn't show any whitespot, instead it is full of a solid blue color, maybe ...
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1answer
29 views

Add node after rendered animation

I've rendered a long animation and was wondering if there is a way to get blender to import the animation image sequence and add the glare node to each frame. I don't want to spend another 13 hours ...
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1answer
27 views

my render isnt showing hdr reflections

I have placed a glossy material on every object in my scene, because i can, and i placed an hdr in the background and made it transparent so that only the reflections are seen. I look at the rendered ...
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0answers
17 views

how to modify driver value using python? in compositor [closed]

I want to change sunbeam position according to calculated camera transform, sun location. Because my scene is animated, I want to make sunbeam position to according to that information. In driver, I ...
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1answer
31 views

EXR 32 bit alphaover white gives me grey in compositing

I am using the compositor to finalize an animation I did in OpenEXR multilayer at 32 bits. I am pretty new with these types of things regarding color management... etc. I am sure this has to do with ...
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1answer
32 views

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 ...
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0answers
28 views

Is using the denoise compositing node to denoise FFmpeg video possible?

If so how? If it's not possible to do it with FFmpeg are there any other video formats that are compatible with the denoise compositing node?
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41 views

I want to get this godray effect while in animation. is that possible?

https://www.youtube.com/watch?v=Akb4P71KL0s In this video, they showing us godray effect using Volumetric Fog. in blender i can`t get only that effect. I was tested two ways to get that effect. first ...
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1answer
21 views

When lots of View Layers = Way too small text in Compositing Tab

I currently have a Blender scene where I have TONS of View Layers. Now, when I go in the Compositing Tab, and try to assign a View Layer to an Output Node, there's so many View Layers that if I want ...
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0answers
23 views

How to remove artifacts caused by sun beams node in compositor?

The artifacts are like those of Aliasing. Original Image: With Sun Beams Node: Using anti-aliasing node does not help. Note that this is a zoomed-in view for better clarity and resolution.
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89 views

Blender 3 - Make Shadow Catcher pass transparent instead of white

The new shadow catcher is awesome. However the rendered pass has a white background (in the viewport it works as expected). How can I get a pass with just shadow data, transparency and no white? Edit: ...
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0answers
53 views

Combining Render Passes Differs from Render Result in Blender 3.0 Cycles

I have appeared to run into an issue with Blender when combining render passes in the newly released 3.0 version (Windows). It seems that whenever trying to reconstruct the rendered image via render ...
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1answer
43 views

Compositing problem; showing in Viewer Node but not Render Results

I am trying to composite for my first time my masking video. I cannot get the render I want that shows in the Viewer Node view of the Image Editor. The final render is just the film clip without any ...
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0answers
13 views

Is it possible to "reverse" the threshold of a glare node?

I am trying to add a glare node to my render, and everything looks perfect except for one extremely bright streak. I know that the "threshold" setting of a glare node allows you to determine ...
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0answers
29 views

Combining low sample renders has more noise than one large render

I am trying to create a script, that would allow me to merge multiple images, rendered with different seeds and different sample amounts into one image with a higher sample amount. The script is using ...
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0answers
22 views

Subsurface color disappeared from the Render Layers after Blender upgrade. Does it exist in 2.93?

So I upgraded blender from 2.82 to 2.93, and a render layer called "SubsurfaceCol" has disappeared from the Eevee render layers. This layer appears when a material with subsurface radios is ...
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20 views

Link node output to plane/material

Currently when I am editing a movie clip I'll export the output to a movie file and import it again in the next blender project. For my current project (at university) I have to do that multiple times....
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1answer
71 views

Whether to support rendering multiple attributes at the same time?

For example, if I'd like to render Normal/Parametric in Geometry, Generated/UV in Texture Coordinate, View Z Depth in Camera Data, I am currently rendering one by one, is there any more convenient ...
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1answer
22 views

Cull behind geometry to transparent

I'm trying to do a NPR render of a group of cats/objects and I want to render it once from the front and once from the back. Right now it is all composed in one scene. The tricky thing is that it need ...
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0answers
32 views

Does my EXR have everything I need for compositing?

The blender stack exchange community has been super helpful for my project and I will certainly try to give back to other users whenever I can. I'm ready to export my sequence to OpenEXR Multilayer to ...
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1answer
183 views

Prevent certain node groups from being included in the Add menu

I have created many node groups, and want some to appear in the Add > Group menu, but not all of them. How do I hide certain groups from appearing in that menu?
6
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1answer
349 views

How to get LED light appearance right

I’m trying to create an instructional video about one of our boards and wanted to show the name (and later on the diagnostic patterns) of the LEDs on the board. I have three colours, red, green, blue, ...
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0answers
12 views

Vertex group to AOV output?

Is there a way to use a vertex group in an AOV output so I can make adjustments to it in the compositor? I want to keep only one material on the object but I want to be able to mask out or alter the ...
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1answer
46 views

How can I make a retro effect in the compositer like the one in this image [closed]

I saw this in this tiktok https://vm.tiktok.com/ZM8CXkt99/ and I wanted to achieve a similar effect. I assume they did this in the compositor, but even if they didn't, there should still be a way to ...
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0answers
19 views

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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0answers
18 views

blender renders video with artifacts

I have a short video in WEBM format and i wanted to convert it to image sequence with blender and when I import it the video is fine in the viewport but when rendered I get a lot of artifacts, I tried ...
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0answers
36 views

Can't achive fully opaque pixels on my pixel-art character

I am creating pre-rendered pixel art character, but it renders many pixels semi transparent. The resolution is 60x60 and I use set alpha node, but it somehow doesn't work. I made a few characters with ...
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0answers
10 views

Camera tracking, Placement of new 3D elements in the scene - What are the next steps towards compositing?

I camera tracked my scene in Boujou and imported all the camera data and Cloudpoint into Blender. I then imported the 3D model I previously modeled and placed it in 3D space as close as possible the ...
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1answer
58 views

color nodes for visualization

I'm just curious if this is possible to do. I'm a visual person, and so I only learn when I see things often. So I always have a hard time looking for certain nodes, trying to recreate a node setup ...
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0answers
30 views

Can blender composite in RGB space (or per-pixel)?

I'm trying to perform some colour operations on 2 render layers in order to find the regions where the images are the same. The operations are difference, i.e. absolute (dual) subtraction, which ...
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0answers
33 views

Have strange noise in compositor in Cycles (Cycles X too)

I make render of smoke in cycles in blender 3.0. Render location in eevee and mix it in copmositor. BUT in render a have no noise and have it in copositor. How I can fix it? Files in attach - ...
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1answer
37 views

Blender Render is transparent and not showing anything

All my meshes have the render and view check on. I tried using different cameras(having them as the main camera for rendering). My composite also has the input going into the output. I haven't touched ...
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0answers
16 views

How do you automatically render multiple frames of an animation as images, crop them, place them into position, and output a single image? [duplicate]

I'm a newbie to Blender's compositor, so I don't know if this is possible or how to do it. I want to be able to automate the process of combining multiple animation frame renders into a single image ...
1
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1answer
22 views

Animation not showing up in Compositor

pretty new to blender. Following a tutorial from 2017 on how to create laser eyes over a video. https://www.youtube.com/watch?v=SCc51vABR94 I can't seem to get my view layer to show up in my ...
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1answer
19 views

How to overlay a green color on the right of my animation?

so i have rendered a scene and i want to add a color to 50% of the screen like this: This is how i can do it in the VSE. But is this also possible via compositor? Sorry, my compositor knowledge is ...
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1answer
91 views

How to render geometric normals?

When we import a mesh into Blender, we can get a lot of information, and normal is one of the properties. The Normal in ...
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0answers
23 views

Despeckle not working properly

When i am using despeckle in the compositing tab to clean up a depth pass it just slightly reduces the noise. In the video I am watching one despeckle already works better than 6 for me. first picture ...
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0answers
18 views

Replace/Load image into Compositor node setup

I seem to get stumped still when figuring out anything in blender python concerning data blocks. I have a comp node network and I want to re-use with various passes. I am loading this network in, and ...
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0answers
10 views

Remove clipped part of object from View Layer when rendering individual layers

Just getting to grips with View layers in Blender 2.93, so hopefully this is a straight forward one. I've separated my scene out into foreground and background. The foreground clips into the ...

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