Questions tagged [compositing-nodes]
Questions related to compositing nodes available for compositing render layers into final renders in the compositor.
1,834
questions
0
votes
1
answer
24
views
Compositing a swarm of insects on video footage
I'm trying to make a series of shots for a video where there are swarms of insects crawling on my hand and face like this bit from the Dalí/Buñuel film Un Chien Andalou where ants are crawling on the ...
- 3
0
votes
0
answers
14
views
Compositing multiple light setups
I'm trying to make a scene where the surrounding environment is nighttime, but all of the light coming through the cube is shown as daytime. A sort of portal effect where whatever angle the camera is ...
- 95
0
votes
1
answer
34
views
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 ...
- 121
2
votes
0
answers
36
views
Can Cycles' Vector Pass + Vector Blur node be used to create "smear" (instead of motion blur)?
Can the Cycles Vector Pass in conjunction with the Vector Blur compositor node be used to create "smear" instead of motion blur?
To be clear, by "smear" I mean this sort of ...
- 18.5k
0
votes
1
answer
33
views
Couldn't render a movie clip with a moving image in a composition layer
I couldn't render a movie clip with a tracked object on it.
I added Movie Clip and Render layers as inputs and Alpha Over as a node to combine images. But when pressing CTRL+F12 it seems like I see ...
- 275
0
votes
0
answers
23
views
Hide an emission object but keep it's glare effect
I'm using the glare node in the compositor to create a lens flare effect. Is there any way to make the emission object not appear in the render, but keep it's glare effect?
I've tried turning off ...
- 1
0
votes
1
answer
7
views
How to apply different manipulations at different areas of an image in the compositor?
I have an image feed where I want so apply different color corrections at different areas of the images. Masks are helping here to apply individual manipulations just in masked areas. But how do I ...
- 89
1
vote
1
answer
11
views
is the full image always computed when rendering a single pass?
I've started learning the compositor.
I need only the glossy pass for now.
But I see that, when I render my image, the "full" image is rendered, then the GlossDir layer.
I was wondering if ...
- 2,398
1
vote
0
answers
62
views
What's the suggested workflow for setting up multiple scenes for further rendering?
Context:
I have modeled all the objects I need. It's a mechanical product, which has different parts that attach together.
Now, I want to render different "scenes" such as:
Each object ...
- 111
0
votes
0
answers
45
views
How to composite Freestyle layer with surface layer using Z Combine node?
I'm trying to render (in Cycles, Blender 3.0.0, can upgrade if it helps) an image that combines surface shading and Freestyle. I need to be able to combine these using the Z Combine node, but it's not ...
- 807
0
votes
0
answers
20
views
Move tracking data from video to an image
I have created camera track for a background using a video file - I would like to move this tracking data to a PNG, and export JUST the moving PNG as background to be used in another program. Once ...
- 11
1
vote
0
answers
77
views
I Want to separate grease pencil in compositor
Is there a Way of isolating the grease pencil like the freestyle pass or cryptomatte?. I can't find a way of doing it.
- 122
0
votes
1
answer
94
views
How do I render a composite out of blender
I have a cryptomatte pass that refuses to work in Nuke. I'd like to use the Blender compositor to render out a series of mattes from the crypto matte layer of my .exr sequence. The crypto matte works ...
- 137
0
votes
1
answer
455
views
Shadow Catcher Compositing Blender 3.4 how?
I've been struggling with the shadow catcher in Blender Cycles for hours now. It's not possible to me to mix the denoised image with the shadow catcher image in the compositor (I assumed it would be a ...
0
votes
0
answers
26
views
How to control the colors in a rendered image? I need to make old school sprite pixel art but I am having trouble with the final render, how to fix?
The pixel art sprites come out great with Blender, however the in-game engine uses a color Palette (.pal) index for certain effects. Green is transparent and Red is ground shadow. Whitish Blue is for ...
0
votes
0
answers
12
views
Different material, when viewed through transparent mesh [duplicate]
Im trying to recreate the following effect in Cycles:
The idea is to have a mesh, represented by Suzanne here, and to have a default material to it. However, when seen through another object, ...
- 151
0
votes
1
answer
95
views
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 ...
- 55
0
votes
0
answers
19
views
How do I render just the comp and not all the render layers?
I need to re-render the comp that I have set up in my scene. It's using render layers as inputs.
I don't want to re-render the render layers just the comp.
How do I go about doing that?
many thanks
- 137
0
votes
0
answers
27
views
Cycles - glass distortions only (without the glass material visible)
I'm looking for a way in cycles to have the distortions of objects behind a glass material on a separate render layer from the glass material itself.
So for example in the images that I uploaded you ...
- 151
0
votes
0
answers
40
views
I can't figure out how to setup nodes based on YT comment for bloom with a transparent background
I have some object which uses bloom in Eevee and as you know I can't save render result with transparent background, so I found this YT video in which the author figure out how to set it up for export ...
- 489
0
votes
1
answer
118
views
Importing multilayer .exr files to compositor for mist pass
I've rendered an animation using .exr multilayer.(Overnight on batch file, files look Ok.)
Please correct me if I'm wrong, but should I be able to re-import the files and still use the Mist Pass etc? ...
0
votes
0
answers
15
views
is it posible to work an image with kernels and matrix in blender?
I'm working on some postprocessing add-on, and I was wondering if there is a way to work on an image with kernels and pixel matrix, since a lot of the effects I want to implement depend on them, ...
- 122
1
vote
0
answers
37
views
Convert Compositing Node Group, to Shader Node Group
I have a paid for Compositing Group Node that has identical Shader Node equivalents. I was hoping for a way to import it as Shader Group Node.
The node group has many connections between nodes. It ...
- 11
1
vote
0
answers
24
views
Is it possible capture the image result of a compositing and add directly, as a material, to a plane?
I made a simple compositing that I'd like to use directly as a material of a plane. I created a new material and in shading editor I put a texture coordinate node connected to a viewer node. In browse ...
0
votes
0
answers
34
views
Motion trails like DaVinci Resolve
I'm working on a project, where I wanted to recreate a motion effect on specific element (light caustics, volumetrics caustics, and a surface displacement).
I enabled the motion blur, but it didn't ...
- 319
0
votes
1
answer
78
views
How to completely disable tonemaps and color management for custom OETFs and tonemaps
As you know, Blender has a built-in filmic LUT and sRGB OETF.
To go even further, I would like to add light adaptation, tonemaps and OETF directly to the renderer's output linear HDR image.
How do I ...
- 1
0
votes
0
answers
20
views
How to get a Value fill the entire image?
Let me explain. I want to get a specific value from the z buffer (the closest pixel of a specific object to the camera) and then fill the image with that value in order to Run a Less than Math ...
- 122
0
votes
1
answer
37
views
Invert node in compositing tab "distorts" the colors
Hello dear Blender community,
I'm working since a few days a good way to create heightmaps from meshes.
Everything works fine, but when rendering (eevee) the colors are always wrong. White should be ...
- 3
0
votes
1
answer
27
views
Is there an equivalent setting in Eevee as Glossy Direct in Cycles engine?
I'm trying to follow the Blender Guru donut tutorial but using Eevee to render. I'm trying to add a glowy nature to the white highlights on the object. The Glossy<Light<Passes<...
- 31
0
votes
0
answers
117
views
How to update and render compositor and save output image without scene rerendering using blender python script?
Im trying to randomize HUE for my render layers in my project. I know how to do it, but I have troubles with update and render compositor and save output image without scene rerendering.
So, I created ...
0
votes
0
answers
52
views
How to perform separate light pass for each material
Is there a way to programmatically export a single materials "diffuse" and all "indirect light passes" into an alpha channel. The resulting alpha is all the locations in the image ...
0
votes
0
answers
26
views
Let me show you how to viewport Compositing in real time! (Blender 3.3.1) [duplicate]
A lot of people still don't know how to enable real time composting, this is because it's not that intuitive to do. Today I'm gonna explain it really simple for newbies and experienced users, just as ...
0
votes
0
answers
15
views
Help with collections, compositing, and masking
I'm not sure what I need to use, collections, compositing, masking or something else.
I want my final render to include two objects.
One object has motion blur. The other object is the same dimensions,...
0
votes
0
answers
33
views
How can I do special types of shading with grease pencil? More specifically striving for a comic book look to it
My understand right now, to achieve that comic book look you need a few effects applied to the flat coloring like halftones to give that old paper look to it. When I try to apply texture nodes to a ...
- 1
2
votes
2
answers
102
views
Globular Cluster Particle Distribution Help
I'm trying to make a globular cluster in blender. Here's an example image of what I'm trying to make using a sphere, particles, and (if needed) geometry nodes.
At the moment, I have a geometry nodes ...
- 31
0
votes
0
answers
57
views
Using Blender for scientific image analysis
Has anyone got good examples of using Blender for scientific image analysis? I'm not talking about 3D visualisations of scientific data, like in this answer, but taking a series of images, and then ...
- 505
3
votes
2
answers
203
views
How to animate a sun position clock?
What is my goal:
I want to make an animation of different products in the same studio environment, which shows the product during the course of the day. For that I am using the sun position in the ...
- 65
0
votes
1
answer
393
views
Depth layering is not showing up on the rendered image in the compositing window
Very new to Blender and have been following this tutorial Create a Realistic Forest in 30 Minutes
While composting [21:32 in the tutorial], he connects the "Render Layers" depth pin to the &...
- 133
0
votes
0
answers
38
views
How to make the stone pillar have a better light behaviour?
I'd try to make a scene with some stone pillars in it, but for some reason, it looks a bit different between the original file and the scene file.
the single pillar with sunlight and point light
The ...
- 31
0
votes
1
answer
21
views
How to automatically trigger 3D-rendering for use in the compositor during editing?
I'm using Blender's compositor to build the final images based on several things including the 3D render output. Nothing special....
Normally, the 3D render output in the compositor is always the last ...
- 89
0
votes
1
answer
42
views
How can I do multiple "renderings" of one scene in one render?
I have a scene in which I want to reduce noise/fireflies by the method illustrated here, i.e. rendering twice (or in my case 4 times, but the theory is the same) with lower sample count but different ...
- 487
0
votes
1
answer
113
views
Python for Custom Compositor Nodes...not working
I'm trying to create and register a new Compositor Node. The python code runs fine in the Blender console (no errors), but after I run it, nothing happens.
what I expect to happen: When I'm in the ...
- 3
0
votes
1
answer
122
views
Image Composite Saving as Transparent
I'm fairly new to Blender, and I'm using it to mock up some assets for my YouTube channel. I found a tutorial on YouTube for a really nice neon light effect, and I've been trying to make a logo using ...
2
votes
1
answer
82
views
Keep one HDRI for lighting and another for the background? [duplicate]
So how would I keep one hdri for lighting and use (and be able to edit / adjust) another one for the sky?
- 211
0
votes
1
answer
47
views
Composited PNG Image disapers in render
I am trying to composit some clouds into my render using the depth pass.
It works fine and looks good to me in the compositor but when I save the image as PNG with alpha, the clouds that are not ...
- 15
1
vote
0
answers
93
views
How to get/copy pixel coordinates or rgb values from 2d image, in compositor editor?
Many times, i need to get and copy pixel coordinates (as well as rgb values) from the composite 2D image in the backdrop or image viewer. i can see it from the image editor by clicking in the image ...
2
votes
0
answers
107
views
Can you use Python to create custom compositor nodes?
I want to create a Kuwahara Filter within Blender according to this video https://www.youtube.com/watch?v=LDhN-JK3U9g. Is it possible to write a custom node for this kind of filter within Blender?
If ...
1
vote
1
answer
197
views
How to exclude mist from sky/background?
I want to add some atmospheric fog to my scene, the problem is, the mist effect completely covers the sky. How can I exclude the sky from the mist?
- 185
1
vote
1
answer
171
views
How can I add inputs to compositor nodes with Python?
I am writing a Python script that connects some nodes in the compositor. The result will render to a multilayer exr, so I will need add some inputs to an File Output-node. I'm trying to use
...
- 31
1
vote
1
answer
18
views
I have a simple compositing setup with four objects.... They render transparent but I would like them all to render out solid
in camera view there are four objects each one is behind the other... slightly obstructing the one in front of it so I could get an idea of how the alpha over node works ...I basically need just a ...
