Questions tagged [compositing-nodes]

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

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Using the rotation from motion tracked point(s) in a Rotate compositor node?

I have motion tracked an object in a video clip, and in the compositor using an Image input node, a Tracker node X & Y feeding into a Translate node's X & Y to have the image superimposed on ...
Whazz ItToYa's user avatar
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1 answer
14 views

VFX: compositing a 3D scene with a green screen video

can someone explain to me how to composite a scene (setting) in 3D with a green screen video? I've already done the tracking and the mask but from there on I don't know how to go about it and I can't ...
barbara conte's user avatar
1 vote
1 answer
13 views

Recombining render layers - sky renders incorrectly, incorrect rendering on objects

I am trying to apply a blur effect to a spotlight beam - my goal is to create a somewhat smudged effect, and I am trying to accomplish this by rendering the objects, spotlight beams and sky on ...
Chloa's user avatar
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1 answer
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Render Solid Background Color Artifacts

I'm trying to render my models as pixle perfect sprties for a game. I'm rendering with a clear background using the transparent film setting, then adding a solid color (RGB 0,0,255) as the background ...
Glen's user avatar
  • 103
1 vote
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How to remove anti aliasing in render

i am rendering out this image and I have anti-aliasing along my edges. My noise threshold and min samples are set to 0, and my pixel filter is set to 1.5 on gaussian. Is there a way to blur these ...
Peter Randall's user avatar
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1 answer
11 views

Saved Image Output Missing Layers & Compositing

I'm having some really odd issues getting a render to output to files correctly. I have a really simple blend. A single object with a fire sim. There are just 9 frames and I'm rendering out the last ...
Jammer's user avatar
  • 211
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17 views

Edge detection on depth image

I have a 3d model and I want to apply an edge detection to the depth-image of the current viewport. I thought this might be possible with the composite tool. At least if offers a laplace and sobel ...
dba's user avatar
  • 105
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9 views

Render Passes with Different Environment Textures in Cycles?

Blender Wizards, Does anyone know of a method of using render passes to export with different environment textures affecting different objects/materials? I'm using Cycles. In my scene, I have an ...
Chevy's user avatar
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Creating a Product Mockup: Export Specular Map to image to use as Highlights layer in Photoshop

I am fairly new to Blender and I am using EEVEE to render my scene. The reason for taking this route: I do repro design for product labels. Part of our process when working on new pbriefs, is to ...
Reinhardt's user avatar
2 votes
1 answer
25 views

Blender how to have different pictures for hdri light and background of a scene?

i have a question about the background in a blender scene. i have a scene with a house and with an HDRI in the scene world that serves as a light. so far so good. but now the hdri doesn't look good as ...
Yvana's user avatar
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1 answer
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How to denoise AOVs and export multiEXR

Any thoughts on how to render/output denoised AOVs within a multiEXR for compositing outside Blender (Davinci Resolve or AE)? When I denoise my renders in Blender compositing, I’ve no idea how to ...
Rodrigo Ribeiro's user avatar
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Save Render Layers

Whenever I render single layer all the other layers that were previously rendered are gone (see screenshot; only the sphere layer is rendered. The whole scene is visible in the backdrop). Is there a ...
Daniel's user avatar
  • 179
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How to have only the shadow of an object into its own render layer?

Hello people of stackexchange, I'm working on a more complex setup but want to understand the basics, so I'll use a simple example. I have a plane and a cube. The cube is casting a shadow on the plane....
user3450's user avatar
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Is it possible to render only specific scenes in solid viewport?

I have a scene that includes many layers. I need a quick preview to see if the motion tracking worked fine in the scene. Is it possible to render only one scene in the compositor in solid viewport and ...
nnym's user avatar
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Backdrop Image Not Visible When Using Node Group

The backdrop image in the compositor tab is not visible when I usen node group. I have the viewer node and composite node inside a node group. Outside the group is only the render result node, which ...
Daniel's user avatar
  • 179
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1 answer
21 views

Save Compositing Nodes

Is it possible to save the nodes and node settings in the compositor tab for diffrent camera renders? I would like to have different lighting for different renders within the same project, but I would ...
Daniel's user avatar
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0 answers
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EXR compositing in Photoshop [duplicate]

Can anyone please explain to me what the proper steps are to get the same colors as from Blender's rendered result? I'm using AgX, but even with Filmic and Aces, it's a nightmare trying to figure out ...
Obscure Guy's user avatar
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Creating a specific lens distortion effect in compositor

Excuse me, I see this effect in lots of promotional videos, and I want to mimic it in blender. I've been playing with the lens distortion node in the compositor, but I can't reach it easily... I want ...
Ahmed's user avatar
  • 55
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1 answer
23 views

Can’t add a fixed color in the background

I’m trying to add a fixed color (say white) in the background… however it is surprisingly challenging. I tried to enable transparent film mode and then use the compositor like: You can see that the ...
tobiasBora's user avatar
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-2 votes
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My Render Are Blank [duplicate]

I never had this problem before. I'm using turbo Blender tool to render. I had no issues with it, but all of sudden I couldn't render any projects. It shows blank image.
sanjay saran's user avatar
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Combine 3 images

I have the HDRI for the sky in the background, the background image as the ground plane and the render. I struggle to combine the background and the HDRI and add the both as a bacground for the render....
Daniel's user avatar
  • 179
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1 answer
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How to suppress 3D-Rendering and do compositor-work only?

I have an application where I want to render a 3D scene in multiple fragments due to reasons of complexity and then stitch them together in a second pass. I can do that essentially in two blender ...
Mario's user avatar
  • 89
1 vote
1 answer
71 views

Animate sun beams compositing node based on camera position

I'm interested in animating the values of the Sun Beams compositing node based on the camera position. I've had success in the past following this tutorial https://www.youtube.com/watch?v=6cOOEJ2p4ZM ...
AxiomDes's user avatar
  • 264
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How to isolate the light diffused from a specific object?

I’m doing an interior render for a carpet company. I need to show all the carpet's colour variants in the same interior scene. I’m rendering the carpet with a neutral colour, and then adding the ...
Tyler Yeo's user avatar
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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 ...
MIke's user avatar
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0 answers
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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 ...
Germanunkol's user avatar
1 vote
0 answers
23 views

Problem in my compositing tab

My goal is to make a colored ribbon in Blender. I used an extruded bezier curve to model it, the use this short tutorial to put a flag color on it (https://www.youtube.com/watch?v=f9RDiG9a4Ao&...
IroKVulcaiN's user avatar
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0 answers
21 views

Turn off collection but keep its lighting?

I have a scene with two vehicles scaled as models on the desk of an office with a window and lamps casting light, as well as ambient lighting. We see this at the start of my video. However, at the end ...
Dan Bennett's user avatar
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0 answers
17 views

Composition : See scene 1 through a lens, and scene 2 outside

I need to display a monochromatic and blurred world. Then a pair of glasses pops up and the world appears colored through them. It finally covers everything. All materials are controlled by a set of ...
Nicolas's user avatar
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1 vote
0 answers
31 views

Video in compositor not showing in render

The video I am trying to key will not show in the renderer. It shows just fine in the viewer node, as well as in the preview on the composite node. I have looked online for solutions already: Use ...
Andrew Suttman's user avatar
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42 views

OpenEXR Multilayer Alpha Channel Issues - Blender to After Effects

I am working on a project which required some after effects compositing. I'm having trouble with an OpenEXR Multilayer Sequence. I'm having trouble with a few materials and their alpha channels. ...
Erik's user avatar
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0 answers
23 views

What nodes in the compositing tab are necessary to create a realistic sun from the sun light provided by Blender?

So far, the sun only appears as a white circle in the rendered view. Below, I've posted a reference picture to let you see what kind of result I would like to have in the end. In addition, I would ...
David Michel's user avatar
0 votes
1 answer
73 views

Keying a green screen image in a 3D scene without compositing first

Now that there is a live compositing in the viewport in blender 3.5, is there a way to take green screen footage which has not been keyed, and key it live within a 3D image, without having to render ...
tomh's user avatar
  • 495
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0 answers
7 views

Lock depth buffer to specific object for compositor

I am working on creating a simple outline that renders on and behind a specific object. I want the outline to dynamically be carved out by objects in front of my object, and the outline to occlude ...
Zac Perry's user avatar
  • 392
0 votes
1 answer
45 views

Any idea on how this shader may have been made?

Any idea on how this shader may have been made? I have already tried asking the creator but it look like they don't want to respond I was mainly interested in the grainy effect they have on the ...
paracetaa's user avatar
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0 answers
19 views

Light not rendering at all

*Disclaimer: complete beginner to blender. So i'm trying to render some text, but when I add a point light my render ignores it (on both cycles and eevee). I gave my text glossy material, and my point ...
skloggy's user avatar
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0 answers
24 views

I am trying to make godrays for specific Light rays in the render but it isnt working well

I have used the sunbeams node in the compositor but as you can see the emitters on the bed are also creating the ray effect, is there a way so that the Godrays are limited to the window rays only? Any ...
Sammy Tyson's user avatar
0 votes
0 answers
11 views

Glare disappearing after rendering object/ How to set up glare on the transparency

How can I make a glare on the rendered object when it's a transparent background? I need to make a gif so it's not just about adding it to one render. Before saving the glare is visible in the Render ...
8paula's user avatar
  • 111
0 votes
0 answers
18 views

How to export OpenExr animation with Vector pass?

So, I've been following a video for temporal denoising and it reached a part where he uses an Open eXR animation and that has a vector output. I exported a simple animation with the OpenEXR Multilayer ...
Filnisius's user avatar
  • 117
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0 answers
35 views

Copy compositor nodes from one scene to another

I have two scenes, one with a Cycle compositor and one without. I want to copy or link the compositor. sceneA.node_tree = sceneB.node_tree This results in a ...
Luke100000's user avatar
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0 answers
19 views

Set alpha in compositor loses RGB values where opaque meets transparent

Different software deal with transparency differently and this can depend on the file type and the way the software writes the information. I am getting strange artifacts on where opaque meets ...
Zak Nelson's user avatar
0 votes
1 answer
37 views

Black lines when compositing

I am attempting to composite a back plate, and blender environment and also the main blender scene. I seem to have manged this with render passes but I am getting a thin black line around the ...
Starfury359's user avatar
1 vote
0 answers
28 views

Scale and Transform nodes behaving incorrectly in compositor?

i'm working on an node-based algorithm for pixelating an image and then applying a dithering mask to it using the compositor. the issue i've run into is very simple: render image, 1536x2048 scale by ...
JkyCosten's user avatar
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0 answers
12 views

Unable to add Compositor Point Density Node - 3D Point Cloud render

I am trying to create a 3D point cloud for a certain scene as part of a 3D vision project I am working on. I am still learning how to use blender for this purpose, and after reading the documentation ...
Draconian's user avatar
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0 answers
13 views

Use external renders for compositing

I have a relatively weak device so I usually use renderfarms to render my scenes. The problem is that I can't use the the external frames in blender compositing. A workaround I use is that I render ...
O. Shehab's user avatar
0 votes
1 answer
17 views

Is there a node that can reverse the masking area in Compositing?

Is there a node that can reverse the masking area in Compositing? I want the mesh to appear outside of the area, but I don't know how to mask it. thanks.
user162938's user avatar
0 votes
2 answers
109 views

Motion blur with vector in compositor

I'm trying to follow along this tutorial here. It's a simple tutorial where the instructor ends up adding motion blur on a blue monkey, but without using the "motion blur" in Render ...
nammerkage's user avatar
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 ...
Vincent's user avatar
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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 ...
Black Fox's user avatar
0 votes
1 answer
32 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 ...
Nebular Dust's user avatar

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