Questions tagged [compositing-nodes]
Questions related to compositing nodes available for compositing render layers into final renders in the compositor.
2,050 questions
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How to make an paint to image with illusion with chroma key? [closed]
I’m working with a project where I want to make the illusion of someone ”painting” an image and on a wall instead of ordinary paint. Very much similar to the Disney scene where Santa Claus panting the ...
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Why does my compositor node show duplicate channels in the Dope Sheet?
I'm adding a compositor nodes modifier to a VSE strip. I’ve noticed that in the Dope Sheet, one of my compositor node channels appears twice. What is the purpose of this duplication?
If I clear the ...
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Blender VSE: Can Two Strips Use Independent Compositor Modifiers Without Conflicts?
I have two strips in the VSE, and I want each strip to use its own Compositor modifier. Is this possible? When I try it, the second strip’s Compositor modifier seems to overwrite the first one — the ...
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white balance in shader
I need to adjust the color for the environment texture. Shader nodes offer RGB Curves and Hue/Saturation/Value for this purpose. There is a "blackbody" node. But can it be used as a filter? ...
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How can I connect a compositing output node in Blender 5 with Python?
In Blender 5.0, the compositing node tree system was changed to work more like any other node group. This means there's no more "Compositing output" node, but rather a regular group output ...
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Exporting Multiple Scenes from blender's VSE with the Clip source Name as the output file name
I'm trying to render a few scenes back-to-back in Blender's VSE editor for batch rendering.
However, this prevents me from adding a unique name to each scene, so all the clips in the VSE get the same ...
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128
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Can't set white background via compositor
I turned on Cycles and rendered the cube with a transparent background
Then in the compositor I connected a simple white color as the background via an "Alpha Over" node.
But as a result ...
- 1,483
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Adjusting a "gradient fill" to be more rounded
So I've discovered that a gradient fill that follows the contour of a shape exists in Blender's Compositor with the node Double Edge Mask. This behaves exactly like ...
- 410
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Which node on the compositing tab is giving me black bars on the top and bottom of my render?
I downloaded a blender scenario and it came with a compositing setup. I have never used the compositing tab and cannot find which node is giving me two low opacity horizontal bars on the top and ...
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How do I store an objects position in relation to the cameras view? [closed]
I’m looking to track an objects position in relation to its camera view so I can then store that attention for different. Is their a way to do this with Geo nodes
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VDB has shadow but i want no shadow from specific object
So I have a ship passing through a VDB I made, and it's great except the ships shadow casting on the VDB, I'd like the VDB to not recieve any shadows so it is consistent all the way around and not see ...
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Help needed with volumetric fog in the compositor using view layers
I'm making a music video. It's a fairly simple scene currently which consists of 4 collections:
A Kit-bashed 3d scenery collection
An actor ('cowboy' collection). This is Prores 444 alpha footage
A ...
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How can I use one node setup for the viewport realtime compositor, and another for the final render?
I have a complex compositor node setup which is too slow to be viewed in real time in the viewport.
I'd like a 'low quality' node setup used instead for the real-time viewport compositor. And a ...
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Compositing Combine Color node with alpha destroys red and blue channel data?
I am trying to use Compositing > Combine Color to pack 4 texture values into a single map and my settings are as follows:
When I use only RGB channels, the PNG output is correct, but when I add ...
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OpenEXR Multilayer images that saved by file output node cannot be import to AE while manually saved images work fine
I am rending an animation which have Depth and Vector pass for compositing depth of field and motion blur in After Effect. However, After Effect pops an error. Those file output node images are also ...
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Geometry nodes get ratio of max min rectangle edges
Hello suppose i have random shapes of mesh islands.[ i want to separate mesh by ratio of min and max edges.
if mesh shortest and longest edge ratio is greater than 2 then mesh should be separate and ...
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How apply compositing to render from slot 2?
Node "Render Layers" (from Compositing) provides access to renderer from the first slot.
How apply compositing to render from slot 2, 3, etc?
Related question:
The image is rendered. Why ...
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shift texture nodes across x or y axis in compositor?
This is the noise texture and i need to shift it slightly, i'm using it as a mask. I've already used this noise texture at these coordinates and i'd like to shift it slightly, as i want to keep the ...
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54
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to much glare in rendering time how to decrease
why I am facing this sparkle issue while rendering.
edited one :
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134
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Lens Distortion degrades the quality. How to get this effect through render?
The Lens Distortion filter is increasingly appearing in various tutorials.
However, it significantly degrades image quality (blurs and introduces artifacts - expected operation of the anti-aliasing ...
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compositing multiple image sequences with different start frames
I'm using the blender compositor to put together a multi layer animation with 3 sets of image sequences each for foreground background and lens flare effects.
I'm doing them together because they all ...
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How to make the dots clear?
I am trying to add Chromatic Aberration and these dots that show in light sources similar to the Spider-Verse movies. One problem is that when I combine all the nodes together, I get this problem ...
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Highlights compression in compositing
I'm trying to find a solution for highlights compression in compositing.
Highlights compression allow to retrieve details on burn parts of the image by lowering the highlight value.
I found a solution ...
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55
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Black frame result from compositor
I'm using view layers to add a glow effect over a glass tube. The compositing nodes are displaying the glow effect as expected, but the render result (F12) is a black frame.
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How do I make this Chromatic Aberration effect work as a depth of field
I really want this Chromatic aberration effect to work as a depth of field, for example, the further something is from the camera, the more chromatic aberration there is, and the closer something is ...
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49
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Working within mask in compositing
Im trying to mask out the green object in my frame in compositing and remove it and put an animation in its place.I put a mask around it but I don't know which nodes to use to make changes to this ...
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Mismatched Colors in Output Node Image vs. Script-Defined Values
I'm working on a Python script to automate the rendering of unique ID masks for objects in my Blender scene. The script assigns a vibrant, random color to each object and then composites them using ...
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139
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Applying Kuwahara filter on the background and not the main object
I'm using Kuwahara node in EEVEE compositor and I'm just curious. Is there any other way that the background has Kuwahara filter and the cube doesn't have the filter? I'm going to use the filter for ...
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92
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Rendering straight alpha channel causes white fringe in RGB channels
I'm trying to render out a 'straight' alpha channel using Blender's compositor, so that the full RGB image can be recovered in other software such as After Effects or Photoshop. The render engine is ...
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Disable Output Properties Render and Use File Output node in Compositor
I am struggling to only render the File Output node from the Compositor window which contains multiple render passes, but Blender also renders a second image file from the Output Properties.
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Light impact on denoising issue
I'm dealing with big impact of soft light (mainly) on my denoising process. Here is my denoise setting with soft light.
And here is simple render no composite:
Testing different variations of ...
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Help With Fire Flies Reflections Blender 4.0
Following tutorials and something usually not going as it should at some point. For that reason I used the version of Blender that was used in the tutorial (4.0) to not complicate things more.
The ...
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Why does every compositing node seem to introduce a weird antialiasing effect?
I'm testing out a pixel art style in Blender. First, I run the render through the following compositing node group:
This works perfectly for my purposes, creating nice hard edges around each chunky ...
- 295
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146
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Smooth "Bloom" effect with Blender Compositor
I have a question regarding the "Bloom" function in the Compositer in Blender 4.2. ++
I created a small setup for a material that makes the edges of a object glow, shown in the screenshot.
...
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does the glare node include an element of randomness? (streaks mode)
with the Streaks mode in the glare node, will it always spawn the streaks in the same places given the same image and other parameters, or is there an element of randomness?
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Why do I loose in compositing color with transparent background during export?
I want to export my render image in Blender 4.2 with transparent background. Within Blender everything is fine. But as soon as I export the render image to e.g. copy/paste, png rgba, .exr I'm loosing ...
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Compositor Nodestree, Overlay, Mix nodes is not showing
I am following this tutorial: https://www.youtube.com/watch?v=1X2At5fjv78, and at 38:59, I am supposed to see a full white overlay, but somehow I can not see it. What are the possible reasons I can ...
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Is it possible to render only selected passes (without Combined) in OpenEXR Multilayer? [closed]
I rendered a first pass with only the Combined pass using OpenEXR.
After that, I wanted to render only the necessary AOV passes (like AO, Mist, Emission, etc.) as an OpenEXR Multilayer file.
Even ...
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105
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Vector blur not working properly when rendering points?
I am trying to add "artificial" motion blur to a static object via manipulating the "velocity" attribute in geometry nodes. I've tried 4 cases (posted screenshots):
mesh + motion ...
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Blender Compositing Color Problem
I have a problem with compositing color. I made a gradient in photoshop but gradient color is pale at the render result like right photo. how can I solve this problem? If possible you can check from ...
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How do I render an animation sequence with cryptomatte and a small file size?
I have an animation sequence and I would like to render out some masks, and from what I've heard, cryptomatte seems to be the best way to do that.
My question is, can I render the animation sequence ...
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How can I add motion blur to one object while excluding the other?
The original render results in the body getting blurry too -
Tried doing it with render layers but I think I am messing up somewhere; the wheels or body getting transparent or the motion blur just ...
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render results different from viewport
The render result (image 2) I get was very different and worse than the one on the viewport (image 1). As you can see from the images, there are no glossy effect and no bloom/glare as well. The color ...
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Anyone knows the compositing formula for passes in blender octane version?
I'm trying to learn the free Octane version of Blender, and reading the manual, which seems to be rather small compared to the standard Blender manual. One thing I can't find is the formula to ...
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Is it possible to convert a render from Black and White to RGB?
I'm struggling with my first animation. I was messing with the output tab in compositor and I accidentally left it in the black and white setting. It was a near 6 hours render.
Is there any way of ...
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Alpha over or mix with a small image in compositing cuts out areas of the final result [duplicate]
I'm thinking this question has already been asked but I haven't been able to word it right to find it, but basically I'm just trying to insert a small image into the background of a render. When I use ...
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Adding a glow to selected faces
I am new to Blender.
How would I assign a glow to the selected faces in the first image?
I have hit assign under the material editor, assuming it would assign the material to the selected faces. The ...
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200
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Black and white gradient for defocus node in compositor (instead of static gradient image)
I'm trying to create a tilt shift like effect in the compositor.
I created a White-Black-White gradient image that is the input for the Z input of the defocus node. This works fine but to fine-tune ...
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Glare Node Not Working on Metal (Eevee)
I’m following the Blender Guru’s donut tutorial, and I’m stuck at the compositing part with the Glare node.
I'm using Eevee and have set up my lighting based on Blender Guru’s latest video. However, ...
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How to composite multiple animation frame renders into a single image?
How do i come up with a Blender Compositing node system such that every frame in an animation render is rendered at 256x256 pixels and is composited into another image [A] of resolution 1024x1024 ...
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