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Questions tagged [render-passes]

(Render) Passes can be used to split rendered images into colors, direct and indirect light to edit them individually, and also to extract data such as depth or normals. Use this tag for questions concerning the use of render passes.

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trouble issue few rendering in blender [duplicate]

I'm newbie in blender, i have trouble issue when render final image in blender like this and i dont know what happened, anyone can help me now
0 votes
1 answer
12 views

How can i render all of my render passes at the same time, and different folder? (EEVEE)

If i already have all of this checked, how can i render them automatically on different folders at the same time? (animation, not still frame) on EEVEE?
0 votes
1 answer
60 views

Blender Indirect Only Render Cuts Off Glossy/Reflection

I want to render an animation in separate layers, with Smoke (Volumetric) on one layer and the Scene (Mesh) on another. But I ran into a problem—when I enable Indirect Only for the smoke Collection (...
0 votes
0 answers
39 views

How to Properly Use Render Layers in Blender for Smoke Overlays and Scene Compositing?

Can anyone help me figure out how to properly set up render layers so that the result looks correct, like in a regular render? If I enable holdout, the black shadow disappears but I get a "hole&...
5 votes
1 answer
2k 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 ...
0 votes
1 answer
406 views

Creating a Product Mockup: Export Specular Map to image to use as Highlights layer in Photoshop

I am fairly new to Blender and I am using EEVEE to render my scene. The reason for taking this route: I do repro design for product labels. Part of our process when working on new pbriefs, is to ...
0 votes
1 answer
779 views

AOV texture exports

I'm currently trying to export multiple versions of a tshirt on a single animation. I have been trying to set up an aov pass that exports the tshirt material (and therefore be able export multiple ...
1 vote
1 answer
6k 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?
0 votes
1 answer
1k views

Blender Glossy Direct render pass

I was thinking that I know very well Cycles Render passes, but not. Can someone explain Me (I was searching on web, but with no success), why Glossy direct pass is taking texture into consideration? ...
1 vote
1 answer
42 views

Combine pass in compositior Blender 4.2

Is there any way to combine passes in the compositor? For example if I want to modify only the Glossy Direct pass and combine the result in the final image. How can I do that ? The node Add (2 images) ...
0 votes
0 answers
45 views

How do I render light separately?

I have the following animation: a surface is illuminated in Cylces by a moving green light. An HDRI is also active. I thought about this process: Render: render the animation without the green light ...
0 votes
1 answer
123 views

Multiple Render Layers to single EXR

Trying to render multiple renderPasses in a sequence using MultilayerOpenEXR Together it just aint working. Result is only one Renderlayer+passes exports to the EXR, other Renderlayers has folders ...
0 votes
0 answers
42 views

Direct volume pass as a mask instead of the volume's color

I'm using the volume direct pass for a smoke sim I have but that seems to give me the image of the smoke instead of a mask of where the smoke is and isn't so it becomes a problem when I'm trying to ...
4 votes
2 answers
2k views

Mist pass looks noisy

I have a following problem: when I render my final image with mist pass, the mist pass itself becomes noisy, see in these images: Mist pass combined in image: Mist Pass itself: Could the problem be ...
0 votes
0 answers
28 views

How to get reflection pass when there's no light on the scene

Here's my blend file : https://drive.google.com/file/d/1FDAkvG0ZTkOrBIlyMiR9AsOCbOOMysue/view?usp=sharing There's no light - only use default world lighting. I combine 2 render layers using compositor ...
3 votes
1 answer
149 views

Difference between Data Object Index and Cryptomatte Object?

Blender Cycles What is difference between Data: Object Index, Material Index and Cryptomatte: Object, Material, Asset?
4 votes
0 answers
34 views

how to get reflection on a surface while the surface has to be hidden from camera? [duplicate]

lower left is the footage/image where I want to put 3d object on it. upper left is my 3d setup where I use a plane for the desk ( image is projected on the plane to match camera angle). I use ...
0 votes
1 answer
77 views

export render pass without re-render 3d scene

I'm rendering an image and i've turned ON all the passes/layers that I needed. In the Image editor I can see my render result and all the passes correctly. But I don't like the naming used for those ...
0 votes
0 answers
34 views

Accessing Render Passes from Viewer Nodes Without Saving to Disk

I'm working on a script to access and manipulate render passes directly in memory without saving them to disk. My goal is to obtain and process different render passes like the beauty pass and mist ...
0 votes
1 answer
38 views

not showing up in animation render [duplicate]

I have all this animation and audio, so when I render the animation, it does not show up, completely blank. Does anyone know how to fix this error?
0 votes
0 answers
20 views

Why is the shadow of the 3D viewport inconsistent with the effect rendered after shadow capture?

I have a question about shadow capture. The PNG output after shadow capture is directly superimposed on the background. Why is the shadow much darker than the viewport appears?
1 vote
0 answers
294 views

There is no Shadow pass in Cycles

I want to render an EXR Multilayer sequence but there is no Shadow pass available. The 4.1 manual says there should be a Shadow pass option under Light>Other, but instead there is a Shadow Catcher ...
0 votes
1 answer
44 views

Render AO pass issue (unwanted shadows)

When I render the AO pass is very weird. there are shadows that appear and the objects are more or less dark depending on their diffuse color. I don't understand what is happening since AO pass is ...
0 votes
0 answers
30 views

Using file output node results in 2 images being saved

I am rendering denoised render passes using the openEXR Multilayer format. (The default output does not save the denoised passes) So right now I take each pass and plug it into a denoise node. And ...
3 votes
1 answer
204 views

3.0 to 4.0 difference in color pass involving IOR

This picture is the color pass of a render of a sphere with default pricipled BDF settings and a bar of color for flavor. When I render it in Blender 3.6.3 (or any blender 3.x)) it is perfectly flat ...
2 votes
1 answer
450 views

Why is image plane not detected by mist pass in EEVEE?

I have a couple of image texture planes in my scene. They render as expected upon applying mist pass in Cycles, but in EEVEE the planes are invisible in the mist pass while other test objects (the ...
0 votes
0 answers
60 views

Render passes and Lens distortion

I'm currently rendering out rendering passes that I'll later combine in Photoshop for some composition work. One thing I don't understand is how to include my Lens Distortion in the passes. I have it ...
0 votes
1 answer
161 views

Blender, PNG renders and Davinci Ressolve. How to extract data?

I am confused on how to render a mist pass from Blender that I can use in DaVinci Ressolve. Everything I find is ussing that mist data to be comped within Blender. I know I can use OpenEXR file format ...
0 votes
0 answers
64 views

Glossy Direct Pass on Donut Too Sharp and Bright

I followed Blender Guru's donut tutorial Part 14 for compositing. But for the step adding Glossy Direct Pass, my black and white Donut is way too sharp and bright when compared to the tutorial one. I ...
0 votes
0 answers
27 views

Cycles, information on how the motion vectors are calculated

Where can I find technical information on how the cycle rendering engine calculates the vector (motion) information? Specifically the backward motion. Is it doing a backward render of each frame? And ...
0 votes
1 answer
15 views

Black shape only visible in Cycles Renderer, can't see it in any other viewmodes

Whenever I render my scene I see this unknown black shape on the renders. I can't figure out why because it doesn't seem to exist in any other viewmodes.
0 votes
0 answers
79 views

Diffuse indirect pass shows part of texture

Trying to save "DiffInd" pass of composition layer render pass as image. But I see part of the object texture being rendered. Attached is the texture image and Render pass composition shader....
0 votes
0 answers
19 views

DiffInd RenderLayer pass shows part of texture [duplicate]

Trying to save "DiffInd" pass of composition layer render pass as image. But I see part of the object texture being rendered. Attached is the texture image and Render pass composition shader
1 vote
0 answers
352 views

Why are my render and preview images different? The preview is better

The low pixel version is the preview screen, which is clear but has lighter colors. The high-quality version is the rendered image, and both are using the Cycles renderer. The preview have more ...
0 votes
0 answers
220 views

Save UV pass of specific object to file for later modification of texture

beginner here. I want to save my rendered images together with auxiliary data that can later be used outside of blender. Specifically, I want to change the texture of a simple object (say, a cube or a ...
2 votes
2 answers
3k views

How to denoise EXR and its passes?

How to denoise EXR and its passes in Cycles? I tried enabling Denoising Data and it didn't work.
2 votes
2 answers
172 views

Visualize rendering time per pixel of scene?

Is there a way to visualize how long each pixel took in terms of GPU computation time of the render? e.g.something like a heatmap of computation. I know it exists for other render engines but I can't ...
0 votes
1 answer
157 views

Noisy .png after rendering Gloss passes

I'm using Cycles as my render engine, on the latest version of Blender 3.5.1 In compositor, I used a set of nodes to seperate the highlights (glossy) from the rest in order to save it seperately in a ....
0 votes
1 answer
369 views

Is Cycles capable of generating a proper ambient-occlusion render pass?

I really hope I'm doing something wrong: the ambient occlusion, in my knowledge, should be a calculation that's more related to geometry and light direction and directional shadows. I'm attaching two ...
0 votes
1 answer
322 views

Cryptomatte issue when saving EXR files from output file node Cyptommate passes getting glitched [closed]

i'm working on a professionnal animations right knoww and i'm having a big issue with the crytomate output. Context : I will render an animation and i want to have the cryptomatte passes. I'm working ...
3 votes
2 answers
2k views

Make Mist pass skip semitransparent objects

I am having problems with the Mist pass. I have search other questions but didn't find the answer. As you can see, I got an ocean (left) and a "river" (right). Don`t mind about the river disappearing ...
2 votes
1 answer
3k views

The "Shadow" option is not available in "Show Layer Properties" (Blender 3.5)

When I turn on Cycles to render, I have no "Shadows" option in "Show Layer Properties" (Passes > Light > Other > ...), but in the video tutorial everything works perfectly....
0 votes
1 answer
89 views

Is there an equivalent setting in Eevee as Glossy Direct in Cycles engine?

I'm trying to follow the Blender Guru donut tutorial but using Eevee to render. I'm trying to add a glowy nature to the white highlights on the object. The Glossy<Light<Passes<...
1 vote
1 answer
543 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 ...
1 vote
1 answer
25 views

is the full image always computed when rendering a single pass?

I've started learning the compositor. I need only the glossy pass for now. But I see that, when I render my image, the "full" image is rendered, then the GlossDir layer. I was wondering if ...
1 vote
0 answers
413 views

I Want to separate grease pencil in compositor

Is there a Way of isolating the grease pencil like the freestyle pass or cryptomatte?. I can't find a way of doing it.
0 votes
0 answers
243 views

How to perform separate light pass for each material

Is there a way to programmatically export a single materials "diffuse" and all "indirect light passes" into an alpha channel. The resulting alpha is all the locations in the image ...
0 votes
0 answers
90 views

Huge amount of noise is generated by overlapping several glass objects and de-noiser misbehave in Cycles - Blender 3.3

I am working an animation with simple particle emitter, the object has a complex glass shader to bring refraction and a bit of rgb separation. The problem is that when the particles overlap, which is ...
0 votes
1 answer
390 views

How to get correct distance value using Mist pass

I'm trying to use Mist data for getting values of [0,255] for Mist range of [Start, Start+Depth]. but I'v got into two problems: Output values range is only [0,206] for [Start, Start+Depth] Output ...
3 votes
5 answers
5k views

White Noise in Blender Z Pass with alpha value in Mix Shader

I am trying to get the depth value using z pass from my scene which is a simple head model, but while rendering there is white salt and pepper noise in the hair and eyelash. I have saved in both png ...

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