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Questions tagged [compositor]

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

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1answer
28 views

Why isn't the animated object moving in the final video?

As you can see the little cartoon is animated (dopesheet keyframes), and I can see it moving in the 3D View port (lower right corner). But it'll remain at the center in the preview backdrop in the ...
4
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2answers
176 views

How to output a color ramp node in a material to it's own compositor pass? (2.79b)

Is it possible to output a color ramp node in a material to it's own compositor pass? I need to mask out part of a material which is controlled by a colour ramp, so I can add filters to that ...
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0answers
29 views

Hide (mask out) objects standing before the mesh

I have a scene that looks similar to this (but more complex) In the render it looks like this And I want to mask out the objects which are between the camera and the cube. Something like this: How ...
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17 views

How to put a video or Img Seq over a video?

I am trying to put either a MP4 video, or an Image Seq over a video. But unfortunately the video shows with a black background although I did change the Render/Film/Alpha setting from Sky to ...
10
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1answer
1k views

How to utilize the denoise passes to build a denoise node network in the compositor

I've built custom denoising node networks before in houdini's compositor, using raw passes combined with noise reduction nodes, but I'm not sure how to utilize the various blender denoiser passes to ...
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2answers
855 views

Blender 2.8; Combine Cycles and Eevee render engines into single composite

I am wondering if it's possible to set up the following scenario: Initiate render -> Eevee render into render layer with specified render settings -> Switch to Cycles render engine with specified ...
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135 views

Weird Vignette effect since Beta 2.8

first post on here. I just installed Blender's 2.8 beta and tried to render a project I made in Blender 2.79 (Steam version) and it has this really weird and bright vignette effect (which should just ...
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55 views

compositing problem

I am new to the compositor.I was trying to composite an image.But the image was not fully in there. this is my render. and I want to mix it with this After I composite it,the image was not fully in ...
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1answer
66 views

How can I turn off light in compositing nodes?

I want to animate this neon light to be complete turned off but it still shows some light after I put zero on everything, what can I do? I basiclly explain everything in this picture. Thanks. And ...
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0answers
34 views

Value ranges from the compositor

As far as I know, in the compositor, yellow sockets are for images, gray sockets are for values, purple sockets are for vectors. From this, however, I cannot know the ranges of these values. In ...
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0answers
36 views

Confused about the link between scenes and materials and compositor in 2.80

I am trying to obtain a p-map (position map) in 2.80. Since the only way I found is to have a different material with a Geometry/Position node as input, I need to switch between materials (the "real ...
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1answer
52 views

Animating Glare angle offset

Is it possible to animate the "Angle offset" property of the Glare node? I am making a photon torpedo that has a glare applied to it, which should rotate when the torpedo is on the way.
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71 views

Compositing pixelation (Hot Pixels)

I've noticed that when doing compositing in Blender that I end up with hot pixels that are sharp and distracting. The result in this case was using a color node to layer an emission render pass over ...
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0answers
26 views

Problem with blur effect in compositor

I am following Andrew Price's Earth tutorial for the lens flare and I set up my sun object just as he did, gave a pass index, etc. and rendered. Around 42:00, he adds a Fast Gaussian blur node with a ...
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2answers
162 views

Reduce the brightness of a lit area

This room is currently lit, with a sun light and to a large part by the resulting bounce light. I currently like the amount of bounce light, and how it shapes the light in the room. BUT: I want to ...
5
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0answers
164 views

Can Blender Internal Render passes be put back together again?

I'm stuck with a simple task. I need to tweak some render passes of the image, and then put them back to the combined composited image. For Cycles I use this scheme from the manual: It works as ...
3
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2answers
407 views

How do I stop the Compositor Output Node from overwriting my images on each new render?

Using the compositor node setup above, when I hit F12, it makes a new pass and the rendered images are automatically saved. The problem is that the new render erases the previous one that was saved in ...
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163 views

Why my composite nodes are not working?

I know I could be feeding a movie file to the Compositor, but then it would take 2 steps (1. render video with color correction from VSE, 2. feed it to the Compositor to rotate it -90 degrees and ...
5
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0answers
254 views

Update function for NodeSocket?

How do I set a callback for socket input change (value or link change) when having a custom node? I have a socket defined like: ...
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1answer
164 views

Can I render the render border with full quality

Let's say the image is my project. I got my composition and camera done and got it rendered. Now I want a close up of my shot without changing the camera perspective and such. Can I render the render ...
1
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1answer
500 views

Adding 3D object to Video Clip

I have been a long time dabbler with Blender (back in the NaN days) but I've never really become proficient at it. Thus I am finding it difficult to do everything I need for this one project using ...
3
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1answer
111 views

Why doesn't “auto-fit” properly fit the compositor backdrop?

Pressing the "fit" button in the sidebar of the compositor doesn't stretch the backdrop to the edges of the viewport. It's scaled smaller than it's supposed to be. How do I make the auto-fit function ...
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41 views

Is there a way to make each icon in this render a hologram?

I made this texture out of an image of icons with transparency, and I was wondering if there is a way to have all the icons on the outer sphere point to the inner sphere with little hologram stems? I'...
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0answers
113 views

Why are the ID-masks and Ambient Occlusion outputs not pure white?

Whenever using ID-Masks (material and/or object) the result in the render output does not give me a solely black and white image. The whites are slightly darker than they should be. Even when ...
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1answer
147 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 ...
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0answers
97 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
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85 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" ...
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1answer
56 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?
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1answer
25 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 ...
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83 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 ...
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1answer
37 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.
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2answers
201 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
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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), ...
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1answer
104 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?
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1answer
386 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 ...
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0answers
178 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
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2answers
792 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 ...
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1answer
184 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
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1answer
6k 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
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1answer
436 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 ...
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1answer
63 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 ...
2
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2answers
71 views

How to make the 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 to match the background. How?
2
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1answer
120 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?
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1answer
40 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
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0answers
53 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, ...
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1answer
69 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, ...
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0answers
78 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?...
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0answers
522 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: ...
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1answer
182 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 ...
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1answer
41 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 ...