Questions tagged [render-layers]

Render layers are used to separate pieces of a scene for rendering. Those layers can then be treated differently in the compositor.

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45 views

I have an idea about a faster way to render and i want know that this idea will work or not?

(i am not native english speaking, Sorry for bad english) Let me explain that idea by an example suppose i have a scene with some 3d modals and or may be some fixed lights or may be moving lights and ...
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2answers
265 views

Outline on transparent background

I'm rendering my scene on 3 separate render layers with transparent background. All layers have strange tranparent outline (around hand and laptop on picture) which I tried to fix in compositor with ...
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1answer
106 views

How to render alpha channel and depth map quickly without having to re-render the whole animation?

So I've finally managed to complete my first animation, it's an animated version of a scene build I created and I decided to outsource it to a render farm for completion. Now that I've got it, I've ...
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1answer
36 views

Whenever I tried to add a material slot to a tracking scene plane, it shades out black. The File is in **EEVE Mode**

In blender version 2.82, in EEVE Mode in rendered shader-view when I tried to add a material slot to a plane, which I generated by tracking a scene, the plane shaded out black with no texture. I ...
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1answer
547 views

Cryptomatte - Clean edges

blender people, please, does exist a solution to make a clean render pass for ID colors - materials? I want to achieve a same solution like in VRAY - material ID. After that, I want to import it in ...
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286 views

Grease pencil overlapping only in render view?

I have a small room I'm working on, and I adjusted things to how I wanted them in the Layout tab. I did want to give it a slight hand drawn feel, so I know this means the strokes aren't super accurate....
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0answers
67 views

Light Path Expressions (LPE) in Blender

It seems like blender does not have a feature to render light path expressions like these in RenderMan. There's a thread on devtalk about this but I havent seen any further updates. Essentially, I ...
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2answers
357 views

In Blender 2.8 how do I render the world once for all view layers?

I have a setup where I have one collection that is a background and one that is silhouetted against it. Each of these is in it's own View Layer. The background one rendered straight, the foreground ...
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How to retrieve correct normal information of a render? [duplicate]

How can I get the the same vector for every angle on denoising normal information when rendering in Cycles? I realized that, based on the camera angle and its position, the normal vector is different....
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44 views

Techniques to composite geometry and volumetrics together for an animation

Hello everyone I hope you are hanging in there! I spent about 2 hours trying to figure this out with Stack and YouTube but still can't wrap my head around this. The scene below will eventually ...
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0answers
503 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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1answer
264 views

problem with lookdev mode?

I'm using Blender from a 1-month. I don't know what happened suddenly it changed to Material Preview mode no lighting no environment scene. Even after pressing Z key to go to LookDev mode even there ...
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2answers
345 views

How to render some of view layers only (instead of single or all of them)

I have LOTS of View Layers (generated in Python), and I only want to render and composite several of them at once. When I checked "Render Single Layer" in View Layer options, only the active one in ...
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2answers
129 views

Make objects reflect from separate view layer 2.8

My last post of this was marked as a duplicate for glass shaders. I want to make explicitly clear, I am NOT asking for glass shaders. I'm doing a bit of archviz for a buddy's bathroom remodel, and I ...
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232 views

How can I get pixels from multiple render passes through Python and store them to generated multilayer image?

First of all I know that the easiest and probably the most efficient and the fastest way would be to add File Output with different inputs, but as far as it is possible I'd like to avoid writing ...
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1answer
61 views

Rendering multiple layers separately causes weird black artifacts (2.79b, Cycles)

I have a ground mesh which I have cloned into multiple layers. It is the same mesh, except one has a grass material, and the other is sand. I wish to render these layers into separate render layers, ...
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2answers
758 views

blender kill particles not viewing in render

I am making a harry potter video with friends and I'm adding magic between the 2 wands. I'm using 2 particle systems with gravity off pulled by a force field for the magic and killing them when they ...
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0answers
26 views

Transparent elements are different than viewport when saved as .png [duplicate]

I am working on a project where I composed many layers with an transparent background. Now I rendered the whole thing and when I saved it the result looked different than the saved version (The white ...
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1answer
458 views

Cropping background image when rendering region

I have this scene with a hand and a knife and I want to get an animation of blood sorta dripping (spraying) from it, but because of SSS I use in palm material it takes forever to render (over 4 ...
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0answers
299 views

Blender 2.8 Using z height (Depth) gradient to reduce mist intensity

I'm trying to find something for 2.8 but struggling. I want to use the z height (depth on render layer?) to reduce the intensity of mist (composite layer) exponentially as height increases. ...
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1answer
1k views

how to render multiple things separately

I'm using Blender 2.80. I have a scene, where I fire 20 cannons at the same time, with smoke and fire. How can I render (with Eevee render) some cannons separatley? (i.stack.imgur.com/lXFuK.png)
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1answer
118 views

Why can't I use put Render Layers in a node group? (Compositor)

When I try to create a node group that includes the Render Layers node, I get an error saying it can't create a group with that node. Is there a reason why or some way around it? I don't want to have ...
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2answers
73 views

Rendering: Excluding a layer while keeping it's influence (Masking?) [duplicate]

I am making this Christmas Tree but the problem is that I can't render the whole scene in one go because of too many particles. So I have rendered my tree and now I want to render only tinsels wrapped ...
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0answers
19 views

How do I deleted a scene collection without deleting the scences inside that collection

Pretty self-explanatory. In the Outliner Window, I have a few scenes. However, all the scenes are under a 'scene collection' and I would like to remove the scene collection from the hierarchy.
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90 views

How to get luminance value of every pixel from the rendered image?

This link below shows how to get value of RGB color and z-depth from viewer node, that corresponding to the value on the pixel information bar (figure below). Link : How to get Color and Z-Depth from ...
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1answer
729 views

How to save render layers for later use

This is probably a silly question, but I'm struggling with it. When I close Blender and open it up again I now have to re-render the scene to be able to use them again in the compositor. I have read ...
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1answer
388 views

How to save Denoising Data and the noisy image of Cycles Render

I'm struggling on how to save all denoising data information like albedo or normal information when rendering an image using python api. It should be something like: ...
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0answers
187 views

How do I render a render view layer using the command line in Blender 2.8

It is possible to render using a specific scene but I did not see how to select only a view layer. The only solution I found is by unchecking the "Use for Rendering" button for each undesired layers, ...
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1answer
272 views

How to re-render specific view layers?

I have a scene split into several view layers. They are rendered separately and then put together in the compositor. I would like to re-render only some specific view layers, not all of them. How can ...
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0answers
2k views

How to make objects ignore certain lights in blender 2.8?

In Blender 2.8 in Cycles, how can you make an object ignore certain lights? Lets say I have a cube in collectionsCube and a bunch of lights in collectionsLights, how do I stop collectionLights from ...
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1answer
176 views

How can I make two objects look like one?

As the titles says, I want two objects to LOOK like they are actually just one. I dont plan to actually combine anything, for flexibility purposes. Here's an example scene for what I've got going: ...
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3answers
2k views

Material Overrides for view layers (per object)

I've been a casual Blender user for some time now. Really enjoying the progress in 2.8, and use this now over maya for most modeling needs, and would love to ditch autodesk altogether, but there are ...
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1answer
119 views

Blender 2.80 object won't show in render (.blend attached)

I'm using Blender 2.80. Object shows in outliner and in viewport, but won't show when I render. I've been struggling for over a week now, what am I doing wrong? Here is the file, the problematic ...
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0answers
400 views

Grease Pencil export to PSD layers?

I am working at a studio that uses Photoshop as its primary storyboarding tool. Is there a way to render / export Grease Pencil animation as a multi-layer PSD image sequence? Can GP object layers be ...
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1answer
190 views

Holdout Layer not using AlphaMaps in Blender 2.8

It seems that the HoldOut Option in Blender 2.8 does not use alphaMaps with transparency to create a proper holdout ? can somebody confirm this or do I have to tick some option to get this to work ? ...
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58 views

Masking out parts of an object for compositing

I am making a model of an Arc Reactor. In the model, there are some wires and a sphere with emission material, inside a glass material to create a glow effect. Now I want to make these emitting ...
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1answer
65 views

Why isn't my render matching up with renderview mode on blender 2.8?

This picture is in render view mode This picture is what happened when pressed render image.
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1answer
44 views

My textures are rendering transparent and strange [duplicate]

I am trying to make this cool minecraft effect on blender. I've done all the modeling and tracking. In rendered view it looks fine. But it comes out very weird. I am using blender 2.8 for this ...
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1answer
2k views

Configuring an object to ignore one light source

I would like to configure an object to ignore one particular light source (sun) in Cycles - to receive no light from the sun. Is this possible? I've looked online, but most posts I found were either 5+...
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1answer
581 views

Problems with Render Layers

I seem to have nothing but problems with compositing and Render Layers. :-\ Every tutorial I’ve followed so far on Blender Guru, I’ve been unable to replicate the process whether in 2.79 or 2.80. As ...
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1answer
912 views

Render image output disappeared with White screen

In cycles render mode all objects are clearly rendered, but in the inal render image, objects disappear.
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0answers
19 views

Rendering gives me a black screen [duplicate]

In the past this was due to still having an image strip within the Video Sequencer Editor, but this time that's no longer the case. I'm not sure what's happened to cause this, but whenever I try to ...
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1answer
357 views

How to render an animation with Render Layers?

So, I heard some people recommending rendering an animation in layers to render faster and save on memory. So I have attempted a simple scene(.blend included) where I have three Render Layers. One ...
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0answers
195 views

How to layer (transparent) materials?

I am generating layered patterns using procedural textures. that is easy enough in a single material using mix shader nodes. what I would like to achieve though is ...
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1answer
824 views

How can i render only one object but still have the rest affecting it?

Is there any way in blender, to render only one object from this big scene but still have the rest of the objects affecting it ? I need to change material to this small piece but i dont wanna render ...
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3answers
503 views

Create a sphere with multiple layers and a chunk cut out showing them

I have a graphic that I plan to use in a video. Right now it's 2D and I plan to animate the layers as we discuss each point. I'm brand new to blender, but was wondering if it's possible to translate ...
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1answer
278 views

Rendering objects only for left or right camera in 2.8

I am working on a stereoscopic animation in 2.8 where some objects in the scene should be visible only for the left eye and others only for the right eye. I use multi-view stereoscopy in cycles. I ...
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0answers
324 views

My render layers are gone (Video Sequence Editor)

I tried to render my Video by using "Render Animation", but it just gave me an error that said "All render layers are disabled". I tried to enable them, but it appears that there are no render layers. ...
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0answers
286 views

blender 2.8 : temporarily show all visible objects in the scene

When dealing with collection, the object in the 3d viewport will be visible depends on current selected view layer. Some objects won't be visible as they have been excluded from current view layer. ...
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0answers
105 views

Why does Blender freeze when rendering with render layers?

So as the title say, Blender freezes at the last point of rendering when I render with render layers. I'm quite sure that there is some problem with settings but I can't get what. In principle I could ...

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