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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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 ...
2
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1answer
391 views

Placing an animated object over video

I tried to put an object that was animated (quick effect- smoke- fire) over a video (.mp4) and in the compositor section, I am sorta lost as to what is supposed to go there (I followed a tutorial), ...
3
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2answers
3k views

How to render nodes + background image?

I finished my work and I want to render everything. The object and the background. I use the nodes to cast a shadow on the background image. I did this thanks to a tutorial on youtube. But the guy ...
4
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0answers
44 views

Change things between render layers? [duplicate]

I have two render layers. I want to change some properties, such as object visibility, material settings, etc between these layers. Is there any way for me to do this? I am not looking for a situation ...
2
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1answer
131 views

Render layer causing image “shearing” in video sequence editor [closed]

I'm having an issue where black "v" shapes or jagged lines show up in my render. They almost look as though the image is being ripped apart and the black background underneath is showing through. ...
6
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1answer
55 views

Is it possible to enable render transparency for only certain renderlayers?

I am currently rendering a scene that because of polycount issues I have to render on three different renderlayers. However I would like to disable the render transparency for one of those ...
2
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0answers
114 views

How do you use the Z-Depth pass? [duplicate]

Whenever I render something in Blender Cycles the renderlayer node seems to have a Z-Depth output, however whenever I try to use it it is completely white. What is it useful for?
3
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1answer
585 views

How to add a hdr world background to its own layer?

everyone. I'm have been working on this project and need the hdr background to be on its own layer. I have a bunch of layers that I have put the main objects on and they all have alphas on them so ...
1
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1answer
367 views

Alpha in Render Layer Without Combined Pass?

I have a render layer. I need to be able to access the alpha of this render layer in the compositor. I know I can access the alpha by enabling the Combined pass, but I don't need to have a combined ...
10
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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 ...
1
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0answers
104 views

batch rendering several .blend files with the same light setup

I was wondering about the easiest way to render multiple objects (like 100 different objects) with the same light setup without creating a light setup in each '.blend' file. I created a '.blend' for ...
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0answers
1k views

Object not rendering again

I know I am adding another question to a topic that has already got many answers, yet the answer I seek seems to be not among them. Therefore I decided to list all the possible problems in one ...
12
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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 ...
2
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1answer
387 views

How do I batch render the render layers that I have set up?

The way that I "thought" Blender worked is that if you had multiple render layers checked, Blender would automatically render all those render layers and then you could switch between those render ...
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0answers
146 views

Black rendered images with Cycler and Blender Render

I'm trying to fallow this tutorial, but I am only rendering black images (or videos). I only have downloaded the file and tried to render with Blender 2.74 on MacOSX and Blender 2.76 on Windows 7 (and ...
4
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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 ...
3
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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 ...
3
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2answers
340 views

See Through Render Layer

Edit: Please looks at the image below. It is a better view As shown in my render above, you can see the exhaust of the ship somehow protruding through the engines. The exhaust and the ship are ...
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. ...
3
votes
1answer
979 views

Why are the renderlayers rendering black?

I understand there are a lot of questions similar to this but non of the solutions worked for me. I have a camera, I have lighting, rendering other things worked for me, I've restarted, etc. Here's ...
1
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1answer
95 views

Animation with text

I have animation with 3d models and text on same layer. It is possible to move text from x layer to layer which is rendering for a limited time? Rendering process take longer and I don't need text all ...
3
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1answer
1k views

How can I combine these overlapping render layers?

I had this scene: Then I broke it into these two render layers: Normally I use an alpha over node to combine render layers, but the transparency and overlapping doesn't allow that in this case. Here ...
1
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0answers
194 views

Can a material ignore a light? [duplicate]

I have several objects that need to be in the same scene layer and same render layers, but I want objects with a specific material to ignore a specific light. Is this possible?
1
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1answer
897 views

Change material of object between multiple scenes

I have a car model I am rendering. I have several render layers I am compositing. It is simple enough to render and output the animation, but I also need to render the same animation from two ...
5
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1answer
1k views

How to do a lightcast only Layer in Cycles?

I try to render a layer that only includes the light as if it was cast onto an object. But it seams it is not possible to make a material that is invisible for the camera but bounces light from a ...
3
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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 ...
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0answers
80 views

Camera tracking rendering problems

I dont know how to explain it but the camera tracking is not rendering correctly on the blender file i attached... It rendering the markers i used and the hole in the wall and it doesnt look right.. ...
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0answers
20 views

Same object with modifiers in different layers [duplicate]

How to use the same object with modifiers applied in different layers ? I don't want to duplicate object and move it in another layer. I want Blender to use same amount of memory for that object. So ...
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0answers
50 views

if i have layer 1, 2 and 3, how do i user layer 1 to mask out only layer two using layer mask

I need to be able to animate and rotate my mask, and therefore i want to use the layermask, however it should only mask out the layer right under it. So i want layer 1 to mask out layer 2, and not ...
1
vote
1answer
270 views

Rendering smoke and volume object which is emitting light causes black spots

I'm creating animation with shooting gun. I've created gun model, smoke emitter which is placed at the end of the barrel and muzzle flash - volume shader with emission. Everything looks fine until ...
3
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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 ...
6
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2answers
2k views

How to make an object transparent to the freestyle pass?

In Blender 2.75a, I'm making a render using Cycles and the Freestyle pass. My scene contains a mesh with a smoke modifier that I'm rendering through a volumetric shader. The boundaries of this mesh (...
0
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1answer
428 views

I can't see the 2nd layer rendered in the Compositor

I have been following BlenderGuru's Create a Spaceship in Blender tutorial. So far so good, until now when doing the compositing. I believe I have followed every step he mentioned, I have also ...
3
votes
1answer
409 views

Cannot blur objects with Z Combine

I'm making an animation where a camera orbits a number of objects. Each object is on it's own render layer and has it's own blur effect. So here is the setup for the visual effect i want. However ...
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1answer
2k views

Render layers not appearing in the compositor

I am trying to follow the Kenan Proffitt tutorial on YouTube for two point motion tracking but the Foreground and Background layers are not appearing in the compositor. When I add the video input ...
17
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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, ...
1
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2answers
702 views

Sky-only pass with the foreground knocked out?

I'm having some difficulty because even though the Transparent Sky option is just what I need, I don't want it for every pass in my scene - I need the sky to be rendered too in other render layers. ...
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 ...
2
votes
1answer
453 views

Render layer confusion

I'm trying to composite a shockwave effect with the blender render engine. My scene is currently set up with two render layers: Layer one: Text, two lamps and a camera. Layer two: shockwave. I ...
2
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1answer
437 views

Blender render passes

If you set up render layers in blender and you have them all ticked wouldn't blender render all of those layer for you all at once one after the other with all the associated maps that have been ...
7
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1answer
3k views

Cycles rendering objects all black

I added a texture to the bowl, and it came out rendered black. I unwrapped it, and I did a little node editing, to make the plane glossy and B&W. It looks fine in the preview, as well as in ...
2
votes
1answer
1k views

How to move an object to a different render layer?

I am wondering how to move something to another render layer. I see the render layers next to where it says Global, but how do I switch my objects over to another render layer?
3
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2answers
3k views

How to render just one scene?

I have a blender project with 4 separate scenes which get combined in the compositor. Three of them are quite simple and mostly finished, while I am still working on the main one. However, every ...
11
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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?
2
votes
1answer
122 views

How to hide a portion of a mesh that is blocked by another mesh on a nonrendered layer

I was messing around with render layers and passes in cycles and was trying to render a layer where object1 was intersected by object2 however object2 was on a separate layer that was not being ...
13
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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 ...
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 ...
1
vote
1answer
324 views

I am trying to render two renderlayers, but the second layer black background is on top of the first layer

So, I followed some tutorials and modeled planet Earth and an asteroid. Because it's two different compositions I separated each one in a different render layer. But only the asteroid layer is ...
0
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0answers
27 views

All layers are not rendering [duplicate]

I have a scene set up with several layers. Everything is lit correctly and, when I change the shading mode to rendered, everything's just great. The moment I actually render the image though, only one ...
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 ...