Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [compositor]

Questions pertaining to Blenders internal image compositor. The compositor is used for manipulating the final result after rendering.

0
votes
1answer
28 views

keeping render layers at their original resolution when composed

I wrote a script to generate a multiview render of an animation. You can see the result here Still everything is rendered at the resolution of the final image and then scaled down. This wastes a lot ...
1
vote
0answers
10 views

Slit Scan/Time Displacement in Blender's Compositor

How could I make this slit scanning method used in this article? https://nofilmschool.com/2016/11/how-to-create-2001-slit-scanning-effect
1
vote
0answers
21 views

Render Layers and Freestyle

I am trying to make an animation where everything but the hair and eyelashes is "Freestyled." I have two different Render Layers: Freestyle No Freestyle I have successfully made the "No Freestyle" ...
0
votes
1answer
15 views

Should “convert premultiplied” be enabled when using “alpha over” with render layers?

Do render layers use straight or associated alpha? Should "convert premultiplied" be enabled here?
0
votes
1answer
8 views

Black column of pixels when rendering in HDRI pranorama

Was rendering some HDRIs to use in other scenes as lighting when I noticed the very last column of pixels on the image to the left was not rendering and came out as black. Since this is a 32-bit image ...
0
votes
0answers
7 views

Animation problem

I am following this tutorial https://www.youtube.com/watch?v=SCc51vABR94 I made motion tracking as told in this tutorial like this: and then went to compositor as told in tutorial and did exact same ...
0
votes
0answers
19 views

How to mask something out as alpha in the compositor when the background is transparent?

I have a scene in which one object is partly covered by another one and in the end I only want to have the visible part of the objcet which is partly covered in the composite. So far I use the pass ...
0
votes
0answers
30 views

Broadly, How to combine pre-rendered images in openEXR or openEXR Multilayer format, in the compositor?

My setup i5 2500K processor @ 3.3 GHz and 24GB ram. Using Blender v2.79b I have created (unfortunately) a extremely memory hungry animation, which my pc can't handle in one chunk! I have broken ...
0
votes
1answer
23 views

Transition effect (common material to grid material)

Please tell me how i can achieve this transition effect. Only Compositing? Or can this effect be achieved in another way? Suppose I want to apply this transition effect to only one mesh in the scene.
0
votes
0answers
14 views

Composition not showing on the background after openning the project again

I finished the composition, placed the last nodes, i really liked how everything looked so I saved. I closed blender, reopened the project when I got back, and now It't just a black background. At ...
1
vote
2answers
36 views

How to partially blur an image in the compositor?

I want to blur an image I used as a background in the compositor but have it blurred more towards the top and in focus in the foreground. Is this possible to do with nodes? Thanks This is the node ...
13
votes
1answer
2k views

How can I create and project a symbol/rune on a sculpture? (like Blizzard's games)

How can I create and project a symbol, rune or logo to a sculpture and make it look like it is from a Blizzard game? What are the sculpt brush settings to project it on any surface (flat or round), ...
0
votes
0answers
9 views

What render settings are used by the combination of RenderLayer Node and File Output node?

I'm not sure what are the render settings that will be used when rendering through the compositor and the Render Layer and File Output nodes. The nodes themselves have some settings, but not all ...
0
votes
1answer
69 views

How to improve the contrast and colors without getting clamping?

Is there an alternative node I could use to improve the contrast and colors while being sure it will never clamp the values?
1
vote
1answer
67 views

How to Make Highlights Glow

I'm creating this scene with a "Star Wars" feel. And in Rogue One, The ships had this large highlight like the metal of the ships were glowing from the lit sides only. I'm also noticing some slight ...
1
vote
0answers
33 views

Custom compositor node - connecting input to output

I am trying to make this simple node group that would simply connect the input to the output so it would simply repeat an image like below. What is the problem with my code? It's like nothing is ...
2
votes
1answer
296 views

Deleted compositing layout — How to bring it back?

I mistakenly deleted my compositing layout. I've tried to open the file without the Load UI and I've also restored the settings to default but still can't find the layout. Although if I open a new ...
0
votes
1answer
29 views

Render Result doesn't match my background image in Camera View

So I'm making a movie where I'm compositing my animated characters into a real life scene by compositing them into a picture like Augmented Reality! So it's just an image but for some reason the ...
3
votes
0answers
147 views

Blender 2.8 - Object index pass in Eevee

I need to isolate filters on some objects in the compositor and Blender 2.8 does not have the options to setup object/material passes in the View Layers. Is there anyway to achieve this in Blender 2.8 ...
1
vote
1answer
36 views

Defocus Node - Compositor

The Z pass is only defocussing inside the boundaries of the Tea Caddy. I presume this because the Caddy is divided against the background? Is there a way to extend the defocus effect of the edges of ...
0
votes
1answer
19 views

Why are all the movie clips I import into the compositor not working?

When I import a movie clip into the compositor in blender, it shows up in the backdrop as completely transparent, showing the black and grey tile pattern to signify a transparent image. Anybody know ...
1
vote
1answer
57 views

How to make top part of a render less saturated/more pale?

How to make the top part of the render less saturated/more pale? The Mesh needs more of a pale color in top part, like the background. How?
2
votes
1answer
39 views

Force materials to render on top of others

In Blender Internal there is Z Offset setting for Z-transparent materials, which put one object over another on shader level only. But what about Cycles, how to do it w/o compositor?
0
votes
0answers
14 views

Overlay Footage with an alpha channel on top of 3d Camera view

I'm trying to line up a shot of a man with the 3D seat he will be sitting in. I already keyed the footage in After Effects, now I just want to put the footage over the camera view so I can line up ...
0
votes
1answer
25 views

how can i make black and white alpha video effect

I mean using a real footage (not 3d)just like the "Renaissance (2006)movie" https://www.youtube.com/watch?v=GM5KCoWNXF4
1
vote
0answers
23 views

Black and white levels

Even I think that this is a more general question in art, guys at graphic design stackexchange told me to ask it here..... So: Here's a simple image I took from pixabay, in a video about compositing, ...
0
votes
1answer
33 views

Run VSE movie strip output through Compositor or Compositor movie clip output through VSE within one project possible?

I wish to add a movie clip into Blender then simultaneously use both VSE and Compositor (nodes) to produce various video effects. The VSE offers some nice options, and so does the Compositor. So far, ...
1
vote
0answers
28 views

How to sample Image A with coordinates from image B, using compositing editor nodes?

I need an operation, mathematically written as ImgOut[x,y] = A[ B[x,y].red , B[x,y].green ] Is it possible to implement this with blender compositing editor nodes?...
1
vote
0answers
56 views

Render stops after 1 frame. “Render error (Permission denied) cannot save: '0001.png'”

For some reason today I can no longer render more than 1 frame at a time. I was able to just fine yesterday. After successfully rendering the first frame, render stops and I get this error message: ...
0
votes
1answer
39 views

How can I render pixel art images with no AA and transparent background?

My question is: How can I render a pixel art image with cycles (low resolution) which is ready for use in a game? That means: no border antialiasing, a transparent background, and a real 1:1 pixel ...
0
votes
1answer
20 views

Linking Mist pass to OutputFile Node Image cannot be performed using Python API?

When attempting to link the mist pass output of a Render Layer node to the input image content of an Output File node, I found ...
1
vote
0answers
39 views

What's the input of the render button?

So, recently I'm finding my way into blender video editing and compositing, however, I usually do these things in different projects because I don't know how the blender renderer works. My question ...
4
votes
1answer
53 views

Why does the “Map Range” node fail for values above 10,000?

I have a "Map Range" node with the following inputs: Because 10,000 is right in the middle between 9,995 and 10,005, I expect the output to be 0.5, and indeed it is. If I now increase the value by ...
1
vote
2answers
42 views

Rotated Gradient Blur in Compositor

I have a rendered image (actually sequence of images) and want to 'fake' a depth of field in the compositor by using a blur, or a defocus. My preconceived notion was that I should produce a gradient ...
2
votes
1answer
47 views

Transparent beam

I'm trying to combine a quick model with a background in compositor and I want my sunlight beam (yellow) to be mixed with the blue sky, how do I do that? I tried working with Alpha over, but i wasn't ...
3
votes
1answer
66 views

Movie editing : VSE or compositor?

Currently editing a short-movie in Blender (~11min), I did reach some limits of the VSE. Some part of the movie is black and white, and for the first time Blender began to give me "not enough colors" ...
0
votes
1answer
45 views

Noise reduction on only one layer

To reduce render times I want to apply some noise reduction on a simple scene using Cycles. I don't want to apply it to all scene because it blurs a bit the first plane (A), so my idea is to separate ...
1
vote
0answers
19 views

Is it possible to use object position as input for texture in composite nodes?

I was trying things out in composite nodes and was wondering if it's possible to use an empty as the control for offset of a texture in composite nodes. I couldn't find another node that could ...
0
votes
0answers
14 views

How to distort effects with equirectangular projection

I have a 360-degree panorama(rendered in Blender) and want to composite a glare effect onto it. The problem is that once it is viewed in a 360 photo view the effect seems distorted due to projection ...
0
votes
1answer
25 views

Compositing: Get mask of glass/ transparent materials

I'm using the compositor to automatically segment parts of objects into masks. This works well for most materials, but when doing the same for a mix shader of glossy and transparent it doesn't, how to ...
2
votes
1answer
29 views

Animate location (or strength?) of alpha / opacity mask to suggest motion along arrows

I have a globe depicting trade winds: The trade wind arrows are an image with alpha. I am in cycles, using this node tree for the earth material: I would like to animate the opacity of the arrows ...
0
votes
0answers
21 views

Compositing using glow nodes - blocky results / poor AA

When I attempt to create a glow in the compositor I always end up with a blocky, non-antialiased result. What am I doing wrong? I attach the composite render, the non-composite render and my node ...
0
votes
0answers
37 views

Blender for VFX [duplicate]

I wanted to know where can I began learning VFX in blender. I know that blender has a great compositing, camera tracking and masking etc. capabilities and I want to know how can I use them effectively ...
0
votes
0answers
23 views

Combining 2 render layers not working with Z depth?

Ok, I was looking at all the related questions that combine layers using Alpha over and Environment pass for the Z part, however I have several alpha overs here for my glare nodes and it isn't working ...
1
vote
1answer
36 views

Mesh masking of blur

I'm fairly new to using the compositor and I have this issues with having 2 renderlayers, one for the glare of the reflections. and one for the glare coming from the lights as some sort of glow ...
1
vote
1answer
22 views

Blender renders the input video instead of Composite node

I stabilized a video in the Movie Clip Editor and used the result as a Stabilize 2D block in the Node Editor. But, when I animate it, it is reproducing the original video, instead of the Composite ...
0
votes
0answers
44 views

Glass shader keeps reflection of environment map even though it is set to Transparent

For testing purposes I created a cube and applied a Glass material to a quad face of it as illustrated in the image below (principled shader mixed with transparent shader controlled by a maximum math ...
0
votes
1answer
26 views

Is it possible to see glare streaks in transparent areas too?

Attached you see my problem. Is it possible to see the glare FX in the transparent areas "outside" the rendered content too? Thank you in advance.
0
votes
1answer
91 views

How to add fog in the compositor in blender 2.79

I want to add mist/fog in the compositor for my scene but i dont understand how to add it. I have looked up and nothing seems to tell me exactly how to do it because in my version of blender (2.79) ...
0
votes
1answer
66 views

How to get mist only at horizon line?

Ok I am trying to create something like this - where there is a "layer" of mist that occurs only at the horizon line - I have glowing objects in my scene that create a glare and Ive followed ...