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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
183 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 ...
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0answers
50 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 ...
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1answer
70 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 ...
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3answers
116 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
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1answer
55 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
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1answer
178 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" ...
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1answer
92 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 ...
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0answers
45 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 ...
5
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3answers
366 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 ...
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1answer
118 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 ...
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1answer
36 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 ...
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0answers
45 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 ...
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0answers
44 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 ...
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1answer
129 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
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1answer
82 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 ...
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1answer
108 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.
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1answer
621 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) ...
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1answer
362 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 ...
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0answers
56 views

Cycles - how to do mist AND emission glare?

I cant even get mist to work in compositing, and my attempts having glare as well as mist are failing- despite following tutorials exactly I just get a render that is all one color, instead of mist/...
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1answer
202 views

Duo-tone Effect in Blender's Compositor

How can I make a duo-tone effect shown on this picture?
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1answer
199 views

How to position the center of the Glare Node effect (in ghost mode) off center?

It seems the Glare node in Ghost mode is always centered in the frame. I have 2 render layers: 1 for the Background and the Asteroid (with Object ID). 2 for a Sun object (A light emitting Sphere ...
3
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1answer
181 views

Delete freestyle after rendering

In some cases I want to have the Ray Tracing-render and the Freestyle-render seperated, so I can post-process it in Photoshop. It seems to be that the Freestyle lines are placed onto the render after ...
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1answer
258 views

Hot element's glare in a colored lamp in rotational animation?

The problem was acceptably solved by using ideas from Hexbob6's reply, plus the ideas from the link he gave me in discussion of his reply (the link is in the discussion of his reply). Problem's very ...
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1answer
251 views

How to keep procedural texture proportion automatically

If I add a procedural texture into node Compositor, it became oval, because of Render's aspect ration. Does exist a way to math a value for Texture > Scale input socket, that take Render aspect ratio ...
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1answer
216 views

Compositor: How to crop an image into multiple versions?

For cases where we want to batch process an image into multiple versions, it's fairly straightforward if only changing the scale. But if we want to vary the cropping things get complicated. This is ...
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2answers
432 views

Z-Buffer render gives unexpected results

I'm rendering blender's z-buffer to an image using render layers under compositing in cycles, but I'm noticing unexpected results. Here is an example of a typical z-buffer render (not from blender). ...
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0answers
170 views

Star filter effect in Blender?

Is it possible to achieve a realistic 'star filter' effect procedurally in Blender? I think the glare node in the compositor might help me, but it doesn't seem to have the rainbow color effect that I'...
2
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1answer
10k views

Cycles - glare/bloom isn't working?

Ok, Im very new to nodes with the actual render but Im trying to do what these people did, just get a basic glow around my emissive materials: unity animate object transform into another How do I get ...
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1answer
27 views

Switching resolution wipes rendered layers?

If you render with the usual F12 render button, then any previously rendered layers get blanked out and re-rendered. If you are manually rendering via the button on nodes in the compositor, you can ...
4
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0answers
97 views

Compositor File Output Node overwrite?

In the Output tab of Render settings, you can set the output options for rendered animation. One of the options is to have new renders overwrite the previous ones or not. The File Output node in the ...
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1answer
133 views

Compositor : export output node when we want ?

is there a way to save output file , after the "F12" render is done for example , i created an output node for my passes ,and the way it work is that the passes are automatically saved when the "F12"...
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2answers
163 views

bring the output of compositing into blender material node editor

Hi is it possible to pipe the output of compositor directly into the material node editor ? the current workflow i use seems cumbersome, where i need to render out (file out) first then reimport ...
3
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1answer
208 views

How do I get crystallize filter effect with the Blender compositor

I'm new to the compositor and I'm trying to achieve this effect: a little close up I have tried using the pixelate, blur and directional blur nodes but the effect isn't the same, btw I got the ...
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0answers
181 views

Making Renders look like Digital Paintings [closed]

I've seen a lot of 3d renders that really don't look rendered at all, most notably a lot of Gleb Alexandrov's work. I'm getting an idea it has to do with multiple factors including post processing and ...
4
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1answer
141 views

Lighting objects passing through a portal in Cycles

I've created a portal based on this method. Here's what it looks like: Light passing through the portal is not handled accurately; instead I've faked it by baking the light from the outside onto the ...
4
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0answers
114 views

Filmic color management and masks

I recently had the problem of having to mask (rotoscope) some footage in the movie clip editor and render out some elements to put in there. For rendering those 3D elements, I wanted to use the filmic ...
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1answer
67 views

Edge Mask Issue - Render nodes

I'm getting this weird edge when trying to use a mask in my composite, is there any way to get rid of this? Here is the issue: Here is my render node setup: Here is my render layer setup: The ...
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0answers
30 views

Compositor spitting out inconsistent noise

So I have a scene that I'm playing around with, and it was working exactly how I wanted until I rendered an animation. About ten of the frames had some odd white blocks appear on a certain portion of ...
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1answer
77 views

Is there a way to utilize simple math operations for color correction?

For me the currently available (2.79) color modifiers have limited capabilities. To modify a HDR image which has RGB values beyond 0-1 (0-45 for eg.) I really miss an offset function which is ...
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0answers
51 views

what is and how can i stop the constant “canceling…” in the compositer?

At the moment I'm working on a project and I was using the compositor. I don't know what started it, but at the top of my screen, there is a bar that constantly says "canceling" also, my render layer ...
2
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1answer
359 views

How to delete a mask in the movie clip editor?

I can't find find a way to remove masking data in the Movie Clip Editor. How to get rid of it?
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1answer
217 views

How to get glare on “Quick Smoke” (Fire & Smoke explosion)

I have this question that relates to Blenders Quick Smoke tool. Recently I have been rendering CGI explosions and smoke assets to be keyed in later on a short film, but I have this small problem that ...
3
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0answers
190 views

Rendering to Viewer Node in headless mode

I'm running Blender 2.79: /path/to/blender -b empty.blend -P script.py With script.py: ...
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1answer
941 views

How to add image into compositor?

I recently rendered a scene in blender after following a BlenderGuru tutorial and made sure to save the image. After closing Blender and going back in, I am able to open the image up in the UV Image ...
2
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1answer
124 views

what is the node setup for a black luminance key

I had to correct parts of an animation. Which i solved by partial renders. Those patial images have a large black areas for the black areas i would like to show the original image. I kinda wonder if ...
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0answers
37 views

How to re-render an image sequence with different image texture for 1 object?

I did a Image sequence render of about 1500 frames only to notice that a small object in scene had a different texture file linked to it.. instead of re rendering the whole 1500 frames.. is it ...
1
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1answer
214 views

File Output node ignores inputs and exports all render layers

For some reason whatever I add as input in the File output node is not exported in the output multilayer exr file, but rather all the render layers are exported. This is the result exr file imported ...
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0answers
58 views

Why do my flames look horizontally stretched when rendered?

I have a scene where I want a car to look like it is on fire as I drive by it. When changing to RenderMode, my motion track looks good (enough). It is in the right location and does not move ...
1
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1answer
495 views

How to override Filmic color space in the Compositor nodes?

I want to use Filmic color space for my renders, but I also want to override Filmic's constraints in the Compositor for the final image. My current workflow right now is to open my Filmic renders in ...