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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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17
votes
8answers
16k 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?
17
votes
1answer
6k views

Can someone explain the layer system?

I am really confused with the different uses of the terms "Layers" and "Passes" in Blender. Can someone please explain how they work in Blender. I know about Render Passes like AO, Diffuse and so on, ...
13
votes
2answers
8k views

How can I render all render passes to files in Cycles?

How can I render all render passes for all of the frames of an animation in Cycles to different files or a file with multiple layers? I'm going to do the final compositing in another compositing ...
11
votes
2answers
3k views

Is there a way to have Cycles skip rendering alpha?

If I wanted to create an animation, each frame would have several seconds of rendering a completely transparent part, which adds up obviously. Is there a way to eliminate this waste of time?
7
votes
3answers
3k views

How can I move an object on a separate layer behind another in the compositor?

How can I make the light bar, after compositing (applying the blur effect on it), be displayed behind the ball, not in front of it?
8
votes
1answer
4k views

How to render world position pass

A world position pass is a pass used for composting other elements into the scene after the initial render. In a world position pass the R, G, B values correspond to the X, Y, Z axis (or X, Z, Y). A ...
10
votes
3answers
3k views

How to get reflections from 3D to show up on real images

Andrew Price released a nice tutorial on how to nicely put 3D objects on top of a real image: https://www.youtube.com/watch?v=wjWoglMYXBE I have seen images, such as this: https://s3.amazonaws.com/...
6
votes
2answers
6k views

Create invisibility cloak (alpha mask material)

How can I create an invisibility cloak? It should be an invisible object which causes other specified objects to become invisible when it covers those objects.
12
votes
4answers
2k views

Where do the white lines come from in my composite?

I'm having this issue for years now, and I'm not sure if I am doing something wrong on my end, or if what I would like to achieve - or expect to see - is even possible. My question is about ...
12
votes
3answers
4k views

Is it possible to use more than 20 layers?

Is it possible to use more than 20 Scene layers or Render layers in Blender?
5
votes
1answer
7k views

How to create a shadows pass in cycles?

Everytime I am doing one thing another problem comes up, and I have a deadline to follow unless there is a way to create shadows using another software (after effects)? I want to composite this thing ...
1
vote
1answer
545 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.
3
votes
1answer
6k views

How to move objects to new Render Layer?

This question has been asked several times before, but one thing is not clear. There are Render layers. Each Render layer itself seems to have Scene and Layer slots. It's not clear what each is. ...
6
votes
1answer
762 views

How can I blend a moon/planet (textured sphere) into the background (procedural sky texture)?

I've been trying to tackle this challenge for a week or two now and I'm still somewhat stumped. I am trying to create the effect of a moon or large planet seen in orbit from the surface during ...
2
votes
1answer
6k views

How do I composite render layers in 2.69 using Cycles?

I'm using 2.69 Cycles and I have a plane on one render layer and a cube on a second render layer. Also, under Render -> Film, I have Transparent selected so both layers have no background color. I ...
9
votes
1answer
1k views

Repurposing vector (speed) render layer for optical flow

I'm trying to compute optic flow in my Blender scene using the "speed" render layer (appears as "vector" in the outliner window). This render layer is supposed to return the speed and direction of ...
3
votes
1answer
11k views

How can I combine two render layers?

I would like to know which nodes can I combine this two render layers width? I've made this with alpha over node and transparent rendering. I want such an image but I don't want to lose the ...
4
votes
1answer
380 views

How to use the new render pass API for an external renderer?

I am developing an addon for an external renderer and want to register custom render passes. Last time I implemented this feature I had to resort to images because Blender only had hardcoded render ...
3
votes
1answer
4k views

How to get rid of an object's reflection?

I am creating a logo for a friend (not getting paid), and I want to figure out a way to get rid of one object's reflection against another without removing the other object's reflectivity. If you look ...
3
votes
1answer
423 views

Where is the denoiser?

Can someone tell me where this denoiser is? I know it's in the renderlayetab, but i can't find it i can only find view Thanks
2
votes
1answer
896 views

Alpha over layers but maintain environment background

I have a scene where I have a few different render layers that I need to put on top of each other for the final render. Everything works fine when I have transparent background checked for the render ...
1
vote
1answer
105 views

How to avoid switching layers and import an object directly into a specific layer?

I am using the multiprocessing package in Python to do renderings in parallel. Meanwhile the rendering is being done I want to import an object into layer ...
10
votes
2answers
8k views

One render layer with background image and one with transparent background

I made an animation with an environment texture in the background and I would like to have one render layer with only the background image and another render layer with all the objects on a ...
8
votes
1answer
4k views

Remove reflection of one object from another object?

I have a reflective object and I want it to reflect only light and not the surrounding objects. I have moved it to Layer 2, but it still reflects the objects from ...
4
votes
2answers
3k views

Layers section is not in the render settings panel?

I'm very new to Blender and I have been watching some tutorials on how to make models within it. In every one of these, their render settings (In the properties tab) have a Layers section below the ...
3
votes
1answer
2k views

Save Render and Shadow Layer Separately

I am trying to create a very simple product mockup using blender. I want to be able to save the actual product (cards) and the shadows as separate png files. I know this is possible, but I am just ...
4
votes
1answer
3k 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, ...
3
votes
1answer
2k views

Transparent render layers

I am trying to figure out how to work with render layers. Now I have two render layers connected to the output via Alpha Over node. But when I render the composite output layer is not the combined ...
1
vote
2answers
1k views

Render looks “brighter” than in viewport preview

Somehow my viewport preview shows darker result than what comes out in render (check out in corner of the pic) World strength is at zero and ambient occlusion is also disabled. Floor is using bump ...
0
votes
1answer
466 views

How to render a very complex scene using Render Layers?

So that the Alpha Over property is implicitly applied to every frame after I do it on the first frame. I am using Cycles Render, and Blender 2.75 Edit - The full image has soldiers and the plane. ...
5
votes
1answer
268 views

Is it possible to link a modifier for only one Render Layer?

I have a scene in which I want to render some of the same objects in two separate Render Layers, with different modifiers in each Render Layer. I know how to link modifiers using Ctrl+L > Modifiers, ...
7
votes
1answer
252 views

How to make original full-pass image from separate passes?

I'm trying to create an image from separate passes. That is, I have a result image, which without altering the composite Combined RGBA buffer looks like following: On this image you can see a cube ...
6
votes
1answer
2k views

Cannot blur one render layer and then Z-combine it with another layer

this is driving me crazy. I want the trails in this scene to glow: But when plugging the trails into the z combine node the blur is removed. If you have an idea why that is and what I can do to fix ...
5
votes
2answers
2k views

How do I render specific render layers using python?

Does anybody know how to choose one or more from multiple defined render layers by name from command line or from the blender python console? To disable all render layers except the ones specified.
4
votes
1answer
416 views

How can I Z-combine multiple render layers

I have a problem while compositing my render layers. There is a butterfly that goes through a jungle (images as plane). It appears on the foreground, and goes to the background followed by a camera. ...
3
votes
1answer
1k views

Depth map with distance along the camera Z axis

With RenderLayers Node you can get the Z distance from the camera to the object behind (x,y) which is ...
3
votes
1answer
130 views

creating more than 20 render layers and connect them to different scenes

I'm trying to render an animation simultaneously from 32 points of view and integrate the result in a composed animation. I followed this answer: How to create a render layer in blender python and ...
3
votes
1answer
4k views

Z-buffer output from blender as file

I am trying to synthetically generate depth image mimicing a real Kinect. So I have set the camera params as below using python script. I have setup the nodes and able to get the depth image as ...
0
votes
2answers
2k views

How can I avoid jagged edges?

now it is last thing in my first project in blender. I made the model below in images and I thought everything is going well until I rendered it then I saw the quality is bad around the object that I ...
12
votes
1answer
391 views

Different seeds on different render layers

Under the Render Properties tab there is a setting to change the seed used for ray tracing. Is there a way to use different seeds on different render layers? I know this is possible using multiple ...
4
votes
1answer
4k views

How to render separately multiple objects on the same scene, without using multiple render layers?

So I know the beautiful feature in Blender. I can place an object in the separate layer, exclude all other layers (to remove shadows from other objects for example) and render it. The result will be a ...
4
votes
1answer
233 views

Driver based on Render Layer

I want to drive a property in a Cycles material based on the current Render Layer or Scene being rendered. Is there any such property? If not, is this something that could be made as an addon, or is ...
3
votes
3answers
2k views

Why is my Shadow Catcher layer shadow-pass entirely black?

Using the standard layers / compositor setup created with the Setup Tracking Scene button (in Cycles), I've used the second layer 'Background' to build a rough mockup of the street in order to act as ...
2
votes
2answers
2k views

In Blender 2.8, can a object be both masked (Holdout) and Exclude for a given View Layer?

It seems that Blender 2.8 doesn't support Mask & Exclude together. It is important in motion graphic for example. Or I am overlooked something? I know that I can turn off indirect contributions ...
1
vote
1answer
347 views

How to create a render layer in blender python

In Blender's 'Render Layers' tab in its 'Scene' section there is a list of render layers. I wish to know how I can create a new render layer and customise that layer using a script. For example, to ...
1
vote
2answers
295 views

Python: How to display per render layer properties in a UI list?

I'm trying to make custom properties per render layer but I get an error. I tried to add a property to bpy.types.SceneRenderLayer and it seems to work. Then I try to make an UIList to show the render ...
5
votes
2answers
3k views

Fade a render layer to transparent

Instead of editing the alpha for each material, it would be quicker for me in this case to be able to fade out the entire render layer in the node compositor. The "SetAlpha" node seems perfect for ...
4
votes
1answer
1k views

How to stop rendering a renderlayer at any moment of the animation?

I have 3 render layers that I'm compositing together in the 4th one. Everything works fine, but even if I don't see the layer in some specific moment blender still renders it. The problem is that I ...
4
votes
1answer
350 views

Preview render selected renderlayer?

is it possible to preview the selected renderlayer in the viewport? I have a couple of renderlayers with override materials that I would like to check in the viewport, but it seems previewrender ...
3
votes
1answer
165 views

Render pass that output center of object of each pixel

I am looking to create a render pass that takes a scene and outputs, for each pixel, the 3D world coordinate of the center of the object to which that pixel belongs. In other words, all pixels that ...