Questions tagged [compositing-nodes]

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

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Which input/from colorspace should I specify if I want to "manually" apply Filmic or AgX in the compositor?

I saw CG Cookie's explanation of the limitations of "vanilla" AgX and I want to try out some pre-transform color correction. The "convert colorspace" node doesn't have an input for ...
Matt's user avatar
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1 vote
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When rendering an animation, how can I output multiple images per frame with different view transforms?

What I basically need to do, is output the full color render (without alpha channel), and the alpha channel (black and white) of each frame of an animation I'm rendering. Only issue, is that I'm using ...
Geri's user avatar
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11 views

Blender to Aftereffects - EXR-multilayer with AGX Color profile workflow

I havebeen trying to render all required into EXR Multilayer and composite inside Aftereffects, But the problem is EXR inside after effects with AGX color profile not looking as good as PNG output. I ...
Akshay Harali's user avatar
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0 answers
17 views

Compositing - Using ambient occlusion as alpha

I'm trying to composite the ambient occlusion pass and use it as a "fake" shadow in my render. In my scene I have a sphere with a simple material a plane with a principled material I ...
user186061's user avatar
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Shadow catcher layer looking weird

Trying to build up a decent reflection catcher to mix it with shadow catcher. Using a plane with shadow catcher on first render layer and reflective plane for the second layer. Why does the shadow ...
fundorin's user avatar
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19 views

Possible to mask reflections in Eevee?

I've tried outputting the Is Reflection rays into an AOV node to achieve this, but doesn't seem to be working, even though I got the expected result in the viewport, as you can see from the preview in ...
John Keyberg's user avatar
0 votes
1 answer
20 views

Setting up denoise light group help

I've created light groups and I need to render sequence (60 frames) in multilayer EXR with denoised passes. Is it correct setup and is it possible to render this sequence in blender? This setup works ...
Denis Zaitsev's user avatar
1 vote
1 answer
30 views

how to get 2d bounding box(x_min,x_max,y_min,y_max values) from IndexOB output of RenderLayer node in Blender compositor?

I'm doing synthetic data generation for AI training. I need to render lots of images a scene, and giving the 2d bounding box value of each object in the image(assuming that all object in the scene ...
miaomiao's user avatar
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0 answers
7 views

How to save Depth layer with sky?

When I try to save it normally I get white image. Somebody advised to use normalize node and it works. But if sky is present (infinite depth) it doesn't normalize properly. I tried playing with map ...
blankpins's user avatar
1 vote
1 answer
24 views

Shadow of Holdout object visible in render

I've got my Grass collection on Holdout but its Shadow or Ambient Occlusion (highlighted in the image below) is still visible for some reason. This appears in every instance where it is on Holdout. Is ...
BlenderGuy's user avatar
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Reflection Catcher showing in render but not appearing in saved PNG image

I have a simple scene with a cube and a plane. I followed some tutorials that allowed me to create a basic Reflection Catcher, so that I can add my rendered footage to a video. Everything seems to ...
Alessandro Di Cicco's user avatar
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6 views

Give layer scenes their own color overlay, but keep the hireachy of whats in front and in the back

I have this example scene with Cubes, Cylinders and Spheres, split into 3 different layer scenes. I split them up so I in the Compositing can give the different objects a specific color overlay. The ...
LateChicken's user avatar
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0 answers
27 views

Ideal workflow for lighting / rendering / compositing animation with multiple shots in one blender file

Usually when I work on an animation project I split it in one blend file per shots, then rendered each one in EXR, then do the compositing in After Effects. From now, I would like to composite in ...
Chaola's user avatar
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2 votes
1 answer
30 views

blender compositing - 2d motion blur when using a transform node?

I am attempting to use the blender compositor and am adding a post move of a camera shake to my plate/cg composite. If I were using a simple 'transform' and/or 'rotate' node within the compositor, how ...
jerry-nz's user avatar
3 votes
1 answer
171 views

How to combine two render node outputs into one composite, side by side? (Sum, mask, ramp?)

I am attempting to make a video output from Blender which has the (1) video natural to the left side, and (2) a black and white alpha mask on the right side, kind of like this but L/R instead of top/...
mike's user avatar
  • 427
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1 answer
65 views

Lens distortion in compositor doesn’t support transparency

When rendering out an image and compositing it with lens distortion it puts on a black background which I don’t want because I want the image to have a transparent background. Is there a workaround ...
Bludus's user avatar
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Denoising in compositing better than original denoising?

Is the denoising in the compositor better than the cycles denoising? I’ve heard it is but just to make sure I want some opinions. I’m looking for faster render basically anyways.
Bludus's user avatar
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1 answer
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How to add a background behind an transparent image?

So I have an image of the earth and everything else is transparent. I created it in blender and use a composite setup, to make the atmo slighty blurry(so it doesn't seem like it is has a sharp edge). ...
2sa2's user avatar
  • 11
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0 answers
40 views

"Save this image" button, for the "viewer" node in the compositor, is greyed out

As additional details, this started happening at some point in my own scenes, where the compositor is already active and with node trees. It started happening with v3.6 and persists in 4.0. If I start ...
Etord's user avatar
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0 answers
19 views

How to fully desaturate already desaturated colors in the composite

I am trying to raise the brightness of the blues as seen from the hue correct node but when I do, it picks up the slight blues in the grey and making them brighter. how do I filter out the desaturated ...
DanJFilms's user avatar
0 votes
2 answers
25 views

camera facing shader mask

I would like to create a shader/material based mask that is 1.0 for anything that is seen in the camera view and 0 for anything that isn't. I'd like to use this to have the semi transparent hands of ...
Poppi's user avatar
  • 117
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0 answers
19 views

Cannot use two glare nodes at the same time

I am trying to use two glares in the compositor, and it works in viewport, but on render and compositor view only one works. Screenshot shows desired output on the left and render output on the right, ...
matthieu vanhecke's user avatar
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0 answers
16 views

Is it possible to clip an object's alpha to another object in the viewport?

I'm trying to find a way to recreate an 'alpha clip' effect that 2D art software has. I'm trying to create 3d/2d characters. An example use case would be making a pupil/iris object, then clipping its ...
Terrabyte's user avatar
0 votes
0 answers
7 views

Compositing: Mask layer opacity keyframes are not saved

I am working with the node-based compositor in Blender 4.0.2. I have a mask. The mask consists of several layers, animated to follow action in the clip. As the mask layers pass the subject, I set a ...
Eric H's user avatar
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0 votes
2 answers
68 views

Transparent Render Trouble Blender 3.2

I have a preloaded scene which is causing me some grief. I need to achieve a single PNG output render, which contains the object rendered, and the shadows cast, but NO BACKGROUND (transparent ...
ScottF's user avatar
  • 47
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0 answers
20 views

Add-on for cryptomatte to automatically save all matte

I'm looking for an add-on that automatically saves all my cryptomattes without me having to painstakingly do it manually. Does anyone have any recommendations? I would be very grateful.
N03's user avatar
  • 149
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0 answers
5 views

Using file output node results in 2 images being saved

I am rendering denoised render passes using the openEXR Multilayer format. (The default output does not save the denoised passes) So right now I take each pass and plug it into a denoise node. And ...
muckyu's user avatar
  • 171
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0 answers
8 views

Changing image sequence in compositor with multilayer (EXR) files using python does not show any layers

I have a compositor setup where I have an image sequence made of EXR files. I then use the separate layers and connect them to some other nodes later. Now I want to use a python script to use ...
muckyu's user avatar
  • 171
3 votes
1 answer
124 views

Wait for compositor to finish before saving image to file - Python Scripting

I'm trying to write a script that will tweak some settings in the compositor, then save the resulting image. However, The resulting image is NOT receiving the changes that are being made in the ...
colorbomb's user avatar
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0 answers
31 views

Blender compositor's RGB Curves don't match Photoshop's (or behaves correctly)

I'm trying to port some Photoshop curve presets of mine into Blender, in hopes of creating a library of "looks" I can apply to the compositor via the Asset Library. However, it's not going ...
AxiDes's user avatar
  • 236
2 votes
1 answer
88 views

why does Blender render an image in the compositor?

Compositor beginner here: I have this compositing node tree: why does Blender render my second viewlayer, although i don't use it in the compositor? My stupid assumption was, that i could render ...
Chris's user avatar
  • 60k
0 votes
0 answers
16 views

How do I alpha over an HDRI in compositor?

I would like to blur the background in an image. If I go tweaking the actual HDRI in the world material, it will add HUGE to render times. If I, instead, use an alpha background (film:transparent) ...
JB Riley's user avatar
  • 801
1 vote
1 answer
53 views

Effects are shown in 'Compositing' but won't render

I'm pretty new and just following some tutorial. Got that problem I can't get solved even after reading docs. I did a 30sec movie (rendered to .png). Now I put this into Blenders Video Editor and ...
user12585719's user avatar
0 votes
0 answers
17 views

Textured item loses color/alpha clip in render [duplicate]

I just got done with a really nice cycles render and composite. I love how it looks in the composite preview, but when I go to export/save it as a PNG with alpha, it loses a lot of the color, and some ...
uwuziel's user avatar
0 votes
1 answer
50 views

Using Blender to Convert Video with Kuwahara Filter

I'm fairly new to Blender. What caught my attention about it recently was the recent addition of the Kuwahara filter node that they added. So I wanted to experiment with using the compositor to import ...
Kris Theorin's user avatar
-1 votes
1 answer
44 views

Help with Shadow compositing

Hello Blender community. I want to make a shadow effect like in these screenshots, but my compositing skill is not enough to do this. I want to make a fan animation for this game. I recreated the ...
Tonchor's user avatar
0 votes
0 answers
25 views

What settings do I need on the glare node to replicate the look of EEVEE's bloom in Cycles?

I have a scene that I designed in EEVEE, which looks amazing with Bloom activated, but would look even better with Global Illumination and better reflections. The problem is that using Cycles with the ...
Sci3nt0bj3ct 4t's user avatar
0 votes
0 answers
20 views

show object in specific area of other object

I'm trying to get a specific result like one object should be only visible in front of other object or in area of that other object I want to show that first object with image texture should be only ...
Mr simulation's user avatar
0 votes
0 answers
21 views

Setting Smoke volumes to indirect only

I have a scene where I have a smoke simulation surrounding an object. I would like to render the scene in layers so I can composite the final shot in After effects. I can put the smoke and object in ...
Mike's user avatar
  • 179
1 vote
1 answer
65 views

Is there any way to create a boolean input to a ShaderNodeGroup in Blender 4.x using python?

I'm working now on a plugin that includes NodeGroups and I want to make a Boolean Socket. I remember that in the older versions it was possible to do this, but in the Interface system, I didn't really ...
Golden Dragon's user avatar
0 votes
0 answers
89 views

EXR-multilayer, Blender to Photoshop color management

I have rendered out rendering passes in EXR-multilayer from Blender to Photoshop and changed the color management in Photoshop using OpenColorIO to AGX, so it will match the color in Blender. What I ...
N03's user avatar
  • 149
0 votes
0 answers
26 views

Duplicate Render png sequence problem

I am rendering 2 different view layers 1 called "foreground" and 1 called "shadows". The purpose of this is that I can have 2 different png sequences were one only renders the ...
AffeDoom's user avatar
0 votes
0 answers
27 views

composite glass

I'm trying to composite an image with glass but I don't know if there is a workable solution for the scenario I have in mind. The set up consists of two parts: the first in itself is a composite of ...
yaelblender's user avatar
1 vote
0 answers
16 views

Multilayer Exr Color Space from File Output can't be overriden

When I render a multilayer exr from the compositor's file output node, the Color Space setting has no effect. Why? In all other situations the [image] Color Space setting works as expected: ...
Leander's user avatar
  • 26.8k
2 votes
2 answers
124 views

Add Glare to a single object in composite? (Cycles)

Is it possible to add different glare nodes to different objects to give them varying glow effect in Cycles?
NewBlenderer's user avatar
0 votes
1 answer
45 views

Blender 4.02 where is Alpha over in the compositor

Where is the Alpha over node in the Compositor for Blender 4.02?
Jon's user avatar
  • 514
0 votes
2 answers
140 views

Blender 4.02 Where is the Node Search input box

I have blender 4.02 and now when I am in the Node Editor, GN editor or Compositor and choose 'Add' (as in add node) I am NOT offered a search box, which is generally what I use. I no longer have this ...
Jon's user avatar
  • 514
0 votes
0 answers
21 views

Rendering Alpha Video with Compositing

I want to render a video, it contains some glass text animation. I want to export transparency, but also keeping the glare and streaks that I added in Compositing. How do I do this? Seems to be ...
PenAndPaper's user avatar
0 votes
0 answers
43 views

Is there a way to lock Shader node In blender?

After completing the work, to customize all the nodes, we use the Tab key. Now, I'm wondering how to lock or restrict access to this shader. In other words, I want to ensure that other users can't see ...
Alireza Taherpour's user avatar
0 votes
1 answer
49 views

How do I dissolve a render into it's components?

This first image has a wireframe box with an emission shader. It is placed at the same location as a metallic cube. If I were to use the glare node in the compositor, I would get glare from metallic ...
JB Riley's user avatar
  • 801

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