Questions tagged [render-passes]

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1answer
57 views

render albedo (color passe without shadow)

I am trying to render the albedo of a mesh with a material, I have managed to get a flat render without lights and shadows by using the diffuse color passe, but the color are not the same as the one ...
1
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1answer
34 views

How to output deep data?

Is there a way to export world position pass, also object position pass (local), and deep pass ? I have searched in the output tab but haven't found anything. thanks a lot!
2
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1answer
31 views

Freestyle lines as an independent render pass

In 2.7x series I could select Freestyle lines into its own render pass. In 2.80RC2 I cannot find such an option. Is it not implemented yet or I am missing it?
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0answers
22 views

render normal map, diffuse color and height map

I would like to make all the render needed to create a shader I can apply to a plane and get the same result as my composition with plenty of mesh. here are all the meshes view from the side: I ...
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0answers
227 views

why can't I render only freestyle stuff while using eevee?

I'm working on a cartoon character using eevee and I want to add freestyle to it. in 2.79 I used to render freestyle lines in a separate layer and since I only used cycles, I could just hide the mesh ...
2
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0answers
239 views

2.80 - use Eevee and Cycles together for motion blur issue

I have one question about one problem in my experiment with motion blur in Eevee. I know that in this time is not supported and maybe will be supported in future official release as another primary ...
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0answers
48 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 ...
2
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1answer
124 views

Cryptomatte doesnt output nice clean edges

Is there any way i can have cleaner edges out of the cryptomatte image output ? The outline is just not clean enough.
2
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1answer
72 views

Transparent BSDF cause noise in depth layer

I have system that consumes depth and RGB output of Cycles renderer. I can observe noise in depth maps when I use transparent BSDF with ...
0
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1answer
62 views

Cycles is using Path-tracing-Tile instead of Sample [duplicate]

I know this question as been asked many times before, but the solution, that usually helped doesn´t work for me. So I would be very happy about some assistance! I built a scene, and when I try to ...
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0answers
115 views

Environment Pass in Eevee

What I'm trying to do is render a simple sun and world separately in order to do some compositing on the sun. I needed alpha on the sun to do that so I made the environment transparent. The problem ...
3
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1answer
94 views

Is there a way to utilize emissions in VFX?

everyone. I have a piece of footage that I have motion-tracked fairly successfully, solved the camera motion, and made it into a 3D scene with that little button on the left of the motion-tracking ...
1
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1answer
148 views

How to render depth pass with alpha channel transparency in cycles?

I have a 3D object in the empty scene. I can click on the "transparent" checkbox to make a render with a transparent background. How can I render depth (or any other) pass with transparent background ...
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0answers
31 views

Rotating Star Sphere - Need Help reducing render “load” (Blender 2.8 Newb)

(Using EEVEE Only) I ultimately want a really beautiful starry sky that sloooowly rotates as my scene (3-5 minutes) plays out. I followed this tutorial that shows how to make a star-filled half-...
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0answers
39 views

UV pass is not working on After Effects

I created a scene and checked the UV pass checkbox on render passes, saved it as a .png 16 bit rgba sequence. I go to after effects to remap a texture onto my object using UV re:map, so I point to the ...
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0answers
33 views

Basic Nuke comping of Blender image

I need to isolate object from a scene after rendering it in Blender and the be able to edit those mattes separately in Nuke. I already know about the mask function but I have a scene that is basically ...
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0answers
44 views

Blender 2.8 : how to render multiple render layer using single command in compositing panel?

In compositing, ussually i have to press the render button in each of the render layer node one by one. Can i just box select multiple nodes then do the render only for those selected nodes?
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0answers
79 views

Blender 2.8 : render pass to capture emission from other object

in blender 2.7 i cam separated render pass easily. in the attachment , i separate the ball and the ground while the ground has the shadow and emission from the ball. In blender 2.8 using view ...
6
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1answer
246 views

Why do different render engines generate different z pass?

I've been using Blender to generate depth maps using z pass. I notice that the z pass generated by different render engines are different, which made me a bit confused. My feeling is that the z pass ...
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0answers
41 views

How do I do a Z Depth Pass?

Wondering how I do a proper z depth pass. How do I get the hotel to show as well as the road? It's like it's getting cut off or something.
2
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1answer
54 views

Transferring colors from my Direct/Indirect passes into Color

I'm doing some compositor effects on my Cycles passes before outputting them to Krita and recombining them. But I'm running into a problem: Cycles stores a bunch of indirect light color in the Direct ...
0
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2answers
590 views

Blender 2.8; Combine Cycles and Eevee render engines into single composite

I am wondering if it's possible to set up the following scenario: Initiate render -> Eevee render into render layer with specified render settings -> Switch to Cycles render engine with specified ...
0
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3answers
41 views

Is there a way to render a pass that will color planes depending on a direction they facing?

I have this cube like head. Is there a way to quickly render a "mask" pass that will color all planes facing in the same direction to a same color? For example, all planes facing forward - red. All ...
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0answers
94 views

P-Map and Velocity map as outputs in 2.8

I render an animation with EEVEE and every frame takes less than 10 seconds to be rendered (in 4K). I also output normals, AO, and other images in the same render (using a File Output node). ...
2
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1answer
145 views

Select pass mode via python script

I want to change the value of "Pass" type inside the "UV/Image Editor" area as shown on image. The default "Pass" value is "Combined" and I want to change the value to other available types with ...
3
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2answers
255 views

How do I stop the Compositor Output Node from overwriting my images on each new render?

Using the compositor node setup above, when I hit F12, it makes a new pass and the rendered images are automatically saved. The problem is that the new render erases the previous one that was saved in ...
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0answers
73 views

creating mask for particles

I'm not very good with the compositor since I mostly only sculpt. But, I need a way to create masks only for my particles. Say I have the following scene: and all the objects except for the ...
0
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0answers
28 views

Replace single render pass?

I have a few render layers mixed together to form my final image, as is rather customary. I'm using a mist pass and a couple of math and mix nodes to get a nice gradient to white the farther away an ...
1
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0answers
62 views

rendering with/without shadows

I'd like to render 60 frames of animation, where actually nothing moves, just the sunlight and the shadows are moving a little bit. I'd like to differenciate the objects and the shadows and render ...
0
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0answers
127 views

Disable DOF for a single object?

Is there a way to disable DOF for specific objects in the scene when using DOF via the camera settings? I know how to do it via compositing and/or different render layers. I was just wondering if ...
1
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1answer
277 views

Defocus Node - Compositor

The Z pass is only defocussing inside the boundaries of the Tea Caddy. I presume this because the Caddy is divided against the background? Is there a way to extend the defocus effect of the edges of ...
2
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0answers
57 views

Accessing to custom render pass

My goal is to render a time-of-flight(ToF) image from a given scene- I want each of the rendered pixel value, to be the length of the photon traveled from the light source to camera. (or average of ...
4
votes
1answer
107 views

Rendering World Position Pass

I need to render a world position pass in Blender to check if my idea is correct. I found solution that uses an emissive material and geometry node to render position as colors: How to render world ...
2
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2answers
111 views

Blender depth mystery

I am trying to use the depth values from a render. I created the appropriate graph that directly connects the render layers depth pin to an OpenEXR file output. The problem is that the depth values ...
2
votes
1answer
298 views

How to render a night scene [duplicate]

I really need some help regarding rendering a night scene. When i tick the denoising option. My render become ugly where there is a black dirt on the image. As in the image below. And if i untick ...
1
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1answer
97 views

Renderlayer is completely white and Im NOT on depth pass?

Ok, I dont know whats happening but I have a render layer that is just rendering white, and Im on Combined pass so thats not it. Settings: The objects on that layer are special, but I dont see how ...
1
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0answers
135 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 ...
0
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1answer
215 views

Get anti-aliased depth map in cycles render

I know that in Cycles Z pass is not anti-alisased while Mist pass is normalized anti-aliased. I need the real depth of each pixel (like the Z pass) but with anti-aliased. I don't know if getting that ...
1
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0answers
297 views

Object/Group Instances and Pass Index

For Post Production in the Compositor, I heavily rely on using Object/Material Index masks. Normally, I select a single object and then give it an unique number in the Pass Index/Material Index slider ...
2
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0answers
34 views

Cycles 2.79 Need reflect and refract output

Blender Render allowed reflection and refraction as distinct output nodes for renders: I am working with an FX firm that is asking for the same sort of output from my Cycles render, plus specularity. ...
0
votes
1answer
320 views

Set Mist Pass Distance

I wanted to use the Mist Pass for the first time today. I have a scene [1 BE = 1 MM] which is pretty large, and I won't change the scale of single objects for the individual shaders are specified to ...
2
votes
1answer
466 views

How to get glare on a specific emission reflection

I am attempting to make a red dot sight that is (relatively) physically-correct, but I would like to add a bloom/glare effect to the red dot. Basically, a face that emits red light reflects off a ...
1
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0answers
118 views

Is there any way not to render the combined pass and only output the passes I need?

I want to output multiple passes using the File Output node in the compositor. However, Blender's default output directory works together and outputs a combined pass. When I type no directory in the ...
1
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0answers
20 views

Combine all color passes [duplicate]

So i'm trying to merge 4 color passes (DiffuseColor, GlossyColor, TranslucentColor and SubsurfceColor) so i can get 1 Combined color map. Is this possible? If so, how cand i do it? Thanks!
1
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0answers
34 views

Render decals as 2nd pass?

I have decals on my mesh in Cycles by way of placing it over my original material with a mix shader. How can I render my decals alone on a 2nd render pass? Thank you!
4
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0answers
57 views

split up and render depth slices (for extreme dof)

I'm doing a particle simulation of fire embers swirling around, to be matched up to a filmed plate. The plate has a very shallow depth of field, which creates a problem when comping it in. It takes ...
3
votes
1answer
383 views

Convert an EXR render from scene-linear colorspace to CIE XYZ

I am making renders for research in computer vision, and need to know the CIE color space values from each render. Right now I am rendering a few different passes to an EXR Multilayer file. I ...
1
vote
1answer
89 views

Rendering one pass only to avoid unnecessary computations in Cycles

Using Cycles, I only need to render one pass (depth map and surface Normals) of a 3D shape in the scene. I do not need the RGB rendering at all although most of the computation is spent on rendering ...
4
votes
1answer
1k views

Understand color of Diffuse Direct/Indirect pass in Cycles render

The Blender manual page says about Diffuse direct and indirect as follows: Diffuse Direct Direct lighting from diffuse BSDFs. We define direct lighting as coming from lamps, emitting surfaces, the ...
2
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2answers
867 views

Depth in meters for rendered images

How can I get the depth in meters? I need the "real" distance from the camera to each pixel. As the next picture but each pixel values representing the distance in meters to the camera. I am ...