Questions tagged [compositing]

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1answer
22 views

3d reverse masking of volumetric

Is it possible to create a volumetric cube but mask only the space of that volumetric cube by a mesh? Hence if I put Suzanne inside the volumetric I only see her? The effect I am looking for is how at ...
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1answer
43 views

Compositing cg watersplash with water in video footage

I am trying to create an effect where water is frozen in time, resembling the splash of water created by stepping in low water. My issue is in compositing the borders of my water splash into the water ...
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0answers
13 views

Blender Hold Out Node Not Working

I am trying to render a layer of Rain with alpha to composite with a train animation. I have done this before successfully with volumetrics, but it isn't working now and I cannot figure out why. Here ...
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1answer
47 views

How to optimize nodes and view layers created with motion tracking “set scene”

I have not used Blender in a long time but am working at learning some video applications for the software. what I have done is taken a sample video with a fair amount of camera motion and am learning ...
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0answers
10 views

Blender cryptomatte not working with crypro pass from arnold render

tried to composite some stuff ive rendered from arnold with maya. cryptolayer node just throws black if i feed the crpyto pass from arnold render. If i feed the ID pass it works, however ID pass ...
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0answers
21 views

Create a mirror to reflect objects for vfx compositing [duplicate]

I would like to create a virtual mirror to compose on top of a real mirror to reflect objects in Blender. This is how I imagined it in my mind: (The mirror completely reflects the object but leaves ...
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0answers
15 views

Plane Tracked + Keyed video is misaligned when moving quickly

I have a video that I used Plane Tracking on, to key out a green board and put a video inside it. It's all working more or less correctly, but I notice that when the board moves quickly in the video, ...
3
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1answer
94 views

How do I achieve this kind of light star effect?

I'm kinda new to Blender. Currently playing around with version 2.8 to practice some rendering. Is there a way to achieve this 'light-star' effect for the blooming objects with the emission? If there ...
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1answer
25 views

How to make plane tracked video start compositing from a certain frame?

Thanks to your help, I can now plane track a video and nicely add a video on top of the plane. However, I have a problem.. So, I only need to track a small part of a large video. I set the range to &...
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1answer
26 views

Does the compositor affect image quality?

I noticed that the compositing is applied after the image is rendered. Does this mean that when working with an 8-bit Output that the compositor can affect image quality negatively? (i.e. artifacts ...
2
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1answer
28 views

How can I use a green screen to add a video onto a moving plane?

So, I've been working on my project for a little bit now. I'll be holding some boards, and flip through them whilst superimposing videos on them. I've grasped Plane Tracking, and how to project (...
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1answer
33 views

Change color from white to yellow

How do I change white color on the green background to yellow one in the following setting ?
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0answers
19 views

How to add blurred render layer on top of the other? Screen and alpha over not doing what I hoped

Ive got this render layer And this I want to put the "sun" on top of the white in the first render layer. Looked at a similar case in a book and they used screen, but as you can see it ...
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2answers
48 views

Alpha over node is including unwanted objects in the image?

In this space animation that I'm working on, I would like to composite a blurry version of the planet into the background to create an atmosphere effect. So far I've added a cryptomatte node to cut ...
1
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1answer
30 views

Overlay two videos and match/track background

I have two video files with matching background and I like to overlay them. Both are not perfectly stationary, so either one or both need to be stabilized and matched/tracked against each other. Could ...
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1answer
35 views

Unable to join two nodes in Compositor

I used everything to solve the issue, deleting the nodes, installing 8.2 version, Shift+CRL+left click but no avail! I attached a picture of the problem below (https://i.stack.imgur.com/ct0Hp.jpg)
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0answers
9 views

Proper way to extract Glare/Bloom Layer by compositing

I want to extract the bloom layer by subtracting the original image for further use. But after adding back the subtracted layer to the original image, the final result is different from the original ...
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0answers
27 views

How to make scene using only specyfic colors

I want to make my scene in some particular colors (or even different shades of only one color), similar to the picture below. I was trying to make render black and white and then use postproduction, ...
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0answers
20 views

Compositing nodes are not showing Blender 2.8

I created an object then clicked on compositing option got 2 nodes there after enable "Use Nodes" option but object was half rendered at that time so I deleted nodes then tried again. But now nodes ...
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0answers
20 views

Compositing issue when adding gaussian noise to image

I need to add random gaussian noise to images rendered with EEVEE. I thought about python coding this at the pixel level but I'm having issues with color spaces, so I came back to the compositor to ...
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1answer
26 views

How do I use Proxies when compositing strips?

I am trying to make a video by combining three different sources. The main source has a monologue and runs in the background. At certain times, the other videos pop up on the screen. I need to sync ...
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0answers
11 views

Setup two entirely different shaders for every object, and render 2 images?

I am trying to use blender to generate training data for a machine learning algorithm. As such, I need to render a given scene twice, the first time generating an actual image, and the second time ...
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2answers
16 views

Is there a way to output two videos from rendering - one with compositing and one without?

So I have a scene with a fluid simulation and I want to know if the result is better with or without the vector blur node. Is there a way to render a video where blender first renders the image and ...
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1answer
18 views

Blender Compositing view ( move left & right )

How can I go right and left after I zoomed in image part in Compositing view?
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1answer
60 views

How to apply custom lens distortion parameters to a rendered image?

I want to render the depth map of a mesh I created from a 3D scanner. I already managed to render my image and it is nearly fine. However, I also want to apply a lens distortion to my output (the ...
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0answers
20 views

Compositing : change color behind glass

I modeling a watch and want to use the compositor to change the lume color. But, in the compositor, I can't access anything under the glass so I can't change to color on the hands. The only way I can ...
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1answer
20 views

Suddenly rendering a double image

The render (cycles) seems to be rendering the scene twice, slightly enlarging one image, and superimposing it in the same render result. The result I'm getting is as if seeing double. I have only one ...
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0answers
33 views

How to use one object color as a factor for another objects color/glare?

I have an object with wave gradient texture. Above it, I put many balls, some of them touch the first object. I want to make color of the balls to be different depending if the ball touches green or ...
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0answers
18 views

Saving animated render from compositor (with denoise)

So basically I'd like to denoise an animation I did, and I know the settings to achieve denoise on the compositor, but it only really shows me one frame of it. When I try to save the render result, it ...
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0answers
17 views

Compositing Render layers node two scenes two resolutions

The context : I have two scenes let's call them S1 and S2. S1 has a camera of a resolution of 1080*1080 (square). S2 has a camera of a resolution of 1080*1920 (vertical). I have created a composition ...
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1answer
34 views

compositing without auto render option

I am making an image sequence . in compositing I don't have auto render checkbox. how can I bring up that check box?
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1answer
22 views

Compositing: Can I have multiple masks in one composite?

To have one mask on a comp it will follow this compositing node flow: Render layerA of Mask (Alpha) -connects to- Mix (Factor) Render layerB of BG (Image) -connects to- Mix (Image1) Render ...
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1answer
42 views

Compositing fire into footage with Davinci Resolve

I made a fire simulation in Blender. Then I rendered it as a png sequence with transparent background. Now I want to composite this fire into some real footage (the camera movement is already matched)...
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1answer
22 views

How can i add an glass objet to an motion tracked scene with proper light coming through it?

i have a scene with a cg glass cup and there is no light coming through it, how can i fix that, i thought about HDRI but i dont know if that would help, im quite new to 3d modelling and everything in ...
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0answers
15 views

Compositor Nodes Mask Layering

I am a newbie to Blender and have been working on using the green screen capabilities for modifying images. I am having some issues with overlapping masks. When I add them together, the top mask ...
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0answers
22 views

Rendered denoised animation [duplicate]

So I rendered the animation png sequence, then I plugged the render results into the denoiser node and then in the composite node. But it only denoise the last frame of animation. How can I actually ...
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0answers
7 views

Blender won't render sound (even when enabled) in Compositor

I'm having fun compositing some videos on Blender and it's awesome. However, when I'm done compositing a video and start rendering with both Compositor and Sequencer checked, the video renders with ...
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0answers
11 views

Rendering doesn't work after switching on the denoiser [duplicate]

Rendered the animation without denoising before and it was fine. but i wanted to denoise it in the composite with nodes. but when i rendered it it overrided the previous animation, plus nothing ...
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0answers
14 views

Pixelate Node: Scaling Produces Missing Pixels On Border

So, I've been digging around for a neat way to pixelate a scene and each approach I've seen appears to use the same method as the documentation. https://docs.blender.org/manual/en/latest/compositing/...
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0answers
44 views

Animation render only renders first frame, the rest are blank

I am new to blender and have been following a tutorial but unfortunately it was based on the old version of Blender. I have tried to render this 90 frame animation but unfortunately only the first ...
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1answer
23 views

How do I make the light go behind the Earth?

Additional info: I'm working in the compositing section, and only there it looks like that. If i turn on rendered mode, it will look like this If you need any more info please ask me!
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0answers
20 views

After render my composite is black

When I connect the render layer tab with composite the result is good but when it is connected through the denoise node the picture shows up black. Am I doing something wrong? Sorry I am a new to ...
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0answers
14 views

Used nodes in the composite tab but when I render out it doesn't render with the composite

I have the composite node at the end and I also have Composite ticked in the post processing. Help I am new to this. https://www.youtube.com/watch?v=f9RDiG9a4Ao I did this tutorial. Thanks.
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0answers
13 views

Masking 3d object from background

I have a 3d object placed on top of the movie clip. The problem is i used a third part motion tracker and so the movie clip editor doesn't load the movie clip so how will i able to mask the background?...
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0answers
19 views

Cannot get my camera to solve correctly during a motion track

I am trying to track the included scene to remove the black wall and replace it with something else. Problem is, I can't for the life of me figure out how to track this properly and get it right. I ...
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1answer
31 views

Why does my depth render look so washed out despite the model having lots of depth?

So I made a terrain map, and I'm trying to render it as a heightmap. Here is my setup so far; Now heres the actual terrain itself; Now my completed heightmap; I can clearly tell that is not giving ...
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1answer
256 views

Can one render scenes in a flat LOG color space for outside grading work?

Filmic LOG rendering question from a newbie: Hypothetically, I have a finished scene that I want to use as a background layer for my live action/CG short. However, the live action footage I shot was ...
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1answer
54 views

Partial video blurring using nodes only

Youtube video I am loosely following: Face Blur with Motion Tracking How can I use nodes (except render layer node) to blur part of a video that uses tracked markers from movie clip editor? I want ...
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1answer
29 views

White lines appearing when rendering shadows to separate layer and recombining in compositor

I have trawled forums for ages looking for a possible answer to this. I am trying to render shadows to a separate layer then recombining them in the compositor with the rest of the image. This is ...
3
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0answers
184 views

Why is my render result disappearing after denoising? [closed]

I wanted to denoise my image in compositing. I don't know why it is disappearing after connecting with denoiser. Edit: I solved deactivating Progressive Refine from Render Properties > Performance > ...

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