Questions tagged [compositing]

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9 views

How to mask an image with another? OR How to feather box mask? (Compositing)

I want to fade-out the edges of a rendered image sequence, whilst keeping the alpha from the original. I drew a mask, a blurry box, (and the inverse, just the edges coloured black and the middle ...
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1answer
15 views

What's the difference between shader editor and compositor

I started learning blender about a year ago and I started learning nodes this month. Does anybody know what is the difference between the Shader Editor and the <...
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1answer
31 views

Masking in different scenes

I am a bit confused how to manage my problem. I have got a setup of a building site with several cameras and about 150 objects. Now I want to emphasize one of these objects by using freestyle. Due to ...
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16 views

blender color management and compositing problem

i have a question about color management in fusion: what should I do if I have a blender render in exr, and I want to blend that with stock footage and pngs in srgb color space? i know I should ...
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2answers
28 views

Blender is only rendering a composite of a movie clip that I made and not the full scene, which I want it to [closed]

I am trying to render a scene, but when I render I'm only rendering the keyed footage that I composited initially in the project. Please refer to this video link where I show my project and break down ...
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11 views

Problem in render image with cycles . objects with emission seem to form large white lines after compositing

i was just rendering a teaser image for my model to post on twitter , so i thought this setup would look good >>>> the light emitting objects used just emission node with a strength of 10 ...
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0answers
12 views

Why does davinci resolve only display my AO passes on a wxr from blender?

I had made an EXR with the hopes of compositing it in Davinci Resolve, but the passes aren't displayed correctly. Even in the channels it displays the AO passes rather than the combined passes by ...
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13 views

Composite nodes being ignored when rendering from command line

I am trying to render an animation using cycles from the command line but my composite nodes are being ignored. The images look ok, just the denoising and glare are missing. In blender on my other ...
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1answer
42 views

Ambient occlusion problem using EEVEE

I'm trying EEVEE for compositing but I don't know how to avoid (if possible) those ambient occlusion "pops" . It occurs when an object is in front of other and the ao shadows appear suddenly ...
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9 views

trouble using an ai generated matte for rotoscoping

My apologies if this is a dumb question. I made a python script to generate mattes using machine learning, following Damien Allen's tutorial (https://www.provideocoalition.com/automatic-rotoscopingfor-...
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1answer
43 views

Render parts of object(s) only when they are within a defined area

I'd like to animate a train car entering and exiting a diorama from left to right. As the train car exits the station, "breaking the plane" that is the boundary of the station, the parts of ...
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0answers
25 views

How to enable occlusion with shadow catcher in cycles?

I am using Blender 2.92. I have a shadow catcher in my scene, that I would like to also occlude objects between him and the light source. for example please observe the following result: The ...
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1answer
31 views

How to render over the previous frame to create trails [duplicate]

When you use code on a 2D canvas to draw in an updating loop you have to draw over the previous frame or wipe it or else you get these trails of moving objects. In blender you don't have to wipe the ...
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20 views

Cryptomattes: Mattes not appearing Behind Glass

Using Blender 2.90.1 Cycles renderer (of course) for cryptomattes. Noticing no mattes are made for seperate objects inside glass ie. soil in vase/ juice in jug. Help? [![ ]4]4
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0answers
38 views

Add a 3D ironman mask to a real head

this is my first question ever :) I am a blender beginner so pleaaaase bare with me. I have a 3D ironman mask that i have downloaded. I have a footage of my daughter and I want to add the 3D ironman ...
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0answers
25 views

Create LightCone (GodRays) with only light, no black, much transparencies; to place over (Alpha Over in VideoEditing) a video

Sorry to come again with this. In Blender 2.79b this works easily and perfectly by just switching on "Halo" in the "Spot" setting. Didn't even set the World's Alpha to "...
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0answers
19 views

Creating a height map through blender's compositing

Hello I know that it is possible to make a height map from your sculpt using the compositing window by taking the Z depth out of the render image and then applying a gausian blur. I know how to add a ...
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1answer
49 views

Can't get transparency right for God Rays

I want to get a Hologram effect like in the image uploaded here: I need to place the hologram over a real video clip, so lots of transparency. Works perfectly, following this guy's advice here. Now I ...
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22 views

Compositing Blender

I am new to blender compositing and am trying to make the first picture look like the second one ( which is an imgur because it is too heavy. So my initial thoughts were: the 1st picture is too ...
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0answers
15 views

3D objects not appearing in live action tracked footage render, but they do appear in rendered preview or material shading mode

My objects appear just fine in all material preview or rendered modes, but when I actually render out a frame or go to the compositing tab none of my objects are included in the final render. It just ...
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1answer
205 views

Magic Eye Render

Today's newspaper had a Magic Eye or Autostereogram image in the kids section ... started me wondering could tools available to blender, be used to render a simple scene (Suzanne of course, repeating ...
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1answer
14 views

I want to remove one object from my render so that it leaves just a transparent background

I want to remove the pool water from my image, so that there is only a transparent background, so that I can add the pool I rendered in luxcore in photoshop. Right now, because I could not get it to ...
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25 views

My reflection doesn't show up when I save the final rendered image

I have been trying a lot to save the reflection when I save my final render but for some reason I can't save the reflection in the final image... When I render the scene, the final image is OK, but ...
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1answer
39 views

Composite cryptomatte video

I’m working on a small animation/film, I will render the frames out as PNG then sequence them together. How do I use the cryptomatte/render passes feature on this animation because when I add an ...
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1answer
16 views

F-Curve Modifier editor not showing

I'm trying to use an f-curve noise modifier, but it was a bit too harsh for me. I was going to turn it down a bit, but the noise modifier was not showing up in the compositing modifier menu panel. (...
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0answers
30 views

Is it possible to render hair in Cycles, other parts in Eevee, and then do compositing?

I try to render eyes and hair in Cycles then render face and the rest of the scene like room and light source in Eevee. After that, I try to use the compositor to connect the two render layers in mix ...
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0answers
27 views

Rendering problem, weird distortion on blender 2.91

when rendering this i face strange issues on some frames like 5 o 6 of 281, they are specific frames, only happens when rendering final image, but in viewport rendering mode it looks good
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21 views

Nothing is showing up on my compositing panel

I have the nodes turned on and have even added things to the space, anyone have any solutions?
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0answers
23 views

Rendered Image is super zoomed out [duplicate]

I’m doing the blender donut tutorial and I’m on part 7, level 1 at about the 15:00 mark. My issue is that I zoom in to the donut so I can see the details of it. I select the camera mode, then F12 to ...
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1answer
29 views

Setting background color

I am trying to set my background to be only one color. Below is my 'Compositing' edit screen and the color i set for the background. This is how it turned out : So clearly its toned down so much, ...
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1answer
47 views

How to circularly fade an image to alpha in compositing?

I'm trying to circularly fade an image into transparency in the blender compositor. My approach was to use an Ellipse Mask in combination with the Set Alpha node, so that the picture becomes more and ...
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1answer
17 views

Why isn't the Image Editor showing the denoising image like in the Compositor?

I am fiddling with denoising a set of images but the image in the Image Editor is not denoised as in the Composition Tab. Is there something that I am missing to do? I have already tried detaching and ...
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1answer
29 views

How to disable Background layer rendering?

I’ve done tracking of the footage, and I’ve setup the tracking scene. As you probably know, once you setup the tracking scene, Blender automatically creates two “Render Layers” nodes in the compositor....
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1answer
44 views

When should I rotoscope in the compositting proces?

I already made my animation and I’m going to composite it in a videoclip. I’m currently tracking the clip, but there are going to be some occlusions in front of the animation that I need to rotoscope. ...
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1answer
21 views

Laser bolt glare problem in blender 2.9 [duplicate]

So I'm trying to build a laser bolt like in Star Wars, and I added a cylinder with an emission texture. The problem is, in Star Wars, the laser bolts have glare, so I added a glare node in the ...
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1answer
85 views

My VDB from embergen is blocky and pixelated

apparently I have exported my vdb from embergen, and I have imported them to blender, they seem to be too blocky and pixelated, I have spent hours on trying to find a fix but no sauce. Any help will ...
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0answers
18 views

Composited Render is Different from the Viewer

Wondering what's going wrong here, the image that the viewer shows is what I want, yet the render after compositing looks different and in a way that doesn't seem to make sense. What I want to do is ...
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1answer
37 views

How to switch background image during video compositing? [duplicate]

Greetings, as you can see in the picture, I want this picture to be background image for my amateur video. Any advices?
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3answers
622 views

How do I “cookie-cut” my world texture only using my existing object?

I have a scene with a world texture, light and 3D object. To create a desired effect, I need to render the silhouette of my 3D object as a "cookie-cut" of my world texture. (Please see ...
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1answer
23 views

How do i add the render layers node? its not there at all. In fact there are no nodes

How do i add the render layers node? its not there at all. In fact there are no nodes As you can see there is literally no nodes even though i zoomed out a lot of times.
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1answer
34 views

Alpha Matte not keying out video?

In this tutorial, Kenan Proffitt goes through the very simple process on how to use a matte key (picture 2) to key out a video with rotoscoping. I have duplicated his exact process by using a "...
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1answer
19 views

Render a scene twice but once it renders with an extra object

Hi i have a scene with a kitchen and i am using the sky texture and a large volume to create godrays, except to make the scene less noisy i am rendering it twice with two identical scenes but one has ...
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1answer
65 views

Composite two renders into one image

I am looking to produce an image like this: Where there are two objects, with one object casting a shadow on the second object. The catch is that I do not want to create this by rendering two objects ...
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0answers
23 views

Trying to bring back transparency on background of freestyle render

So eevee freestyle does not render the lines beyond a transparent object, I guess because it doesn't recognize transparency in the same way Cycles does. I seperated the glass textures onto a different ...
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3answers
112 views

How make glow in Compositing if emission is behind glass?

Why I can't make glow in Compositing in Cycles if emission is behind glass? If use Glare, everything in picture will be glow, but I don't need it. I need only certain parts to glow, for example, like ...
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0answers
21 views

How can I mask a layer using another layer in the compositor without manually masking

I want to mask a layer having freestlyle lines alone of a cube (rest transparent) using an upper layer containing a sphere passing past the cube in the compositor using nodes such that the ...
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0answers
34 views

Edges look wrong when compositing layers with blur and transparency

I'm trying to composite layers from an animation I made with Blender in After Effects. The problem I'm running into is that the motion-blurred edges are either receding, or becoming discolored, ...
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0answers
44 views

Sharp edges & white dots when using Depth in Compositing

When I try to make fog with Depth in Cycles, noise appears on objects with transparent material & sharp edges are formed on the edges of objects even without Transparent. Every time I try to do ...
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0answers
85 views

How do I add my character animation in blender, to a videoclip?

I created a robot and animated the movement with the camera going around it in blender. I also got the video footage from a game (gta v) where I wanna put the robot (also with the camera turning ...
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1answer
60 views

Exporting a Denoised Composited Image Sequence

I just finished Blender Guru's donut tutorial, all parts and levels. However I must have misunderstood how the composite node works, especially in regards to animation (or rather image sequences). So ...

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