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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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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0answers
171 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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84 views

How to render each grease pencil layer as single png?

I'm using Blender 2.83 Right now I'm using Blender to create a character for a video game. I create the character in Blender by using grease pencil. in each grease pencil object this have "layers&...
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9answers
44k views

Why does my object not show up?

This is meant to solve this problem once and for all. What is every reason an object isn't showing up in a render or viewport in when using the cycles render engine?
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0answers
33 views

Problem with render layer (normal) in eevee

I have a material made up of two principled BSDFs separated by a mix shader which has a mask. The render works fine but when I see the render layer (normal) it only takes the normal map of the first ...
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1answer
216 views

Accidentally deleted nodes in compositing tab. Can't recover it?

I accidentally deleted the 'Render Layer' and 'Composite' Node. I panicked and didn't know what to do, so I thought maybe if I close my file, itll come back when i open it again. So I closed my file, ...
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1answer
27 views

Render layers and volumetric scattering

when I try to render separate layers I have no transparent background reason for volumetric scattering. is there a way to solve this?
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18 views

How to make object visible only in refleciton without Cycles

I'm about halfway done with a long project using Blender Render and am trying to have an object be invisible but appear only in a reflective surface. I understand how to do this using Cycles however I'...
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1answer
79 views

How to combine Render Layers correctly

I am having a problem with my render layers. For clear illustration, I created a plane and a box. The box is partly beneath the plane. The plane is on my first render layer and the box on the second. ...
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2answers
292 views

How do I darken shadows from a shadow catcher in the compositor?

I am working on a shot of a car sitting in a plane integrated into a video I shoot. When I rendered the image sequence I separated the shadow from the car (when I was rendering the Car itself I ...
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0answers
9 views

Render is a gray screen, not sure why [duplicate]

I am rendering a scene but it only shows up as a gray screen and doesn't even start rendering the camera. Not sure what is happening, I have looking into numerous posts but to no avail. Any help is ...
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0answers
25 views

Why rendering an animated scene all of a sudden freezes computer?

hopefully someone can help me with this question. As of about 2 weeks ago (where before everything was fine and smooth) Blender freezes my entire computer when i try to render a pretty simple scene of ...
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1answer
754 views

Render is taking way too long [duplicate]

So I'm rendering an animation of 420 frames and each frame is taking more than one hour. I have two render layers, both with the same settings. One is the background and the other the principal object ...
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0answers
218 views

Empty Render Layers node in Compositor

I was trying to make some adjustments in compositing, but Render Layers are not showing anything. In the UV Editor "Render Result" is correct. Re-rendering scene from Render Layers node doesn't help. ...
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1answer
168 views

Can I render isolated objects but keeping all the impact of other objects and their materials?

So I chose all the objects I don`t want to be rendered and changed their visibility, and then rendered the object I want, but it looks different while being isolated. Can I render it like if there are ...
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1answer
10k views

Blender 2.8 View Layers - “Exclude” feature

Does anyone know where the "Exclude" and "Mask"-features can be found for the View Layers, (formerly "Render Layers") in Blender 2.8?
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0answers
84 views

how can i make blender render only the visible parts of the object?

(i use blender 2.79) it seems when blender renders an object it does render also the non-visible back of that object and for that reason, it increases the rendering time. so to test my theory I had ...
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0answers
37 views

The number of samples in the render view does not go up

I don't speak English, so I use a translation tool! The number of samples doesn't go up in the viewport render view, but somehow the number of samples goes up when the blender is minimized! Is there a ...
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0answers
41 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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0answers
366 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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2answers
84 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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0answers
29 views

Use of cycles & octane on a per scene base

So I try to have one scene with cycles for my planet where I have a shader that helps me with the atmosphere generation. And I have a scene with my space ships that I want to render with octane. In ...
2
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1answer
86 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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2answers
33 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
242 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
43 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
6k views

Blender Compositing not working

As stated in the title, my blender compositor is not working. I have followed this tutorial (https://www.youtube.com/watch?v=fWcCkQ3943Y) but the compositor effects do not show up, even after ...
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0answers
16 views

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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0answers
27 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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1answer
175 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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0answers
34 views

Text not rendering in motion track (2.82) [duplicate]

Using Blender 2.82 and I am trying to animate text over a meme template (yes, i know there are easier ways to do this but I wanted to try it in Blender to expand my skills a little bit). I have been ...
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2answers
169 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
64 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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1answer
264 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
174 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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0answers
33 views

Compositing Confusion

I don't have a whole lot of experience with compositing, and im working on a piece for my portfolio. Right now I want to put this on top of this. Only problem is that whenever i come close to ...
2
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0answers
225 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. ...
1
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1answer
161 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 ...
0
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1answer
48 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, ...
5
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2answers
580 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 ...
2
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0answers
22 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 ...
1
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2answers
3k views

Rendering and compositing shadows only with Cycles

I need a Cycles render of only shadows cast by objects. The compositor node setup shown in the screenshot works with a simple test scene in which light is provided by the World Background and the ...
1
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1answer
43 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 ...
1
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1answer
992 views

Object turns white when rendering/render Layer Colors disappear

Help, where is the color?! I tried everything going through material etc. Im barely learning on youtube with blenderguru but I don't know why my objects colors disappeared when rendering.
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2answers
56 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
16 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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0answers
73 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 ...
5
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1answer
464 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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0answers
145 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, ...
5
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1answer
8k views

Compositor result won't show

I have problem with compositor. It doesn't show result in output render until I replug Image into Composite node. I am rendering 2 layers, but it show only first layer, without anything modified, ...

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