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.
223
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Mist pass ignores refracted material
Is this normal behaviour for mist pass or not?
black squares on buildings - is glass material with refraction
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17
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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 ...
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15
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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 ...
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25
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Render Glossy indirect and Shadow pass without the use of ViewLayers
I'm wondering if there exists a solution that allows you to render the Shadow Pass and Glossy Indirect pass in the same render/view layer, on the same plane and still have a transparent background.
...
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7
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Cant render active scene [duplicate]
When i render my scene it does nothing. it doesnt say out of memory or anything.
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1
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12
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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.
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18
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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
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32
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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....
- 109
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43
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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 ...
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15
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Transmission pass is affecting final render, even though the pass is not being used in the Compositor
In one of my projects, I have set my compositor such that it has a multi-pass denoising system. In this project, I am not using any transmission or volumetric related assets, so I did not use those ...
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1
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63
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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 ....
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1
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106
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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 ...
- 35
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18
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Render Passes with Different Environment Textures in Cycles?
Blender Wizards,
Does anyone know of a method of using render passes to export with different environment textures affecting different objects/materials? I'm using Cycles.
In my scene, I have an ...
- 23
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1
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187
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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 ...
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1
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95
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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 ...
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1k
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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....
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17
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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 ...
- 2,468
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18
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ViewLayer is just transparent when saving the render
I have a strange problem where i can´t find the cause. One of my View Layers saves just transparent pictures without any objects when rendering the whole sequence.
In the preview it looks fine but if ...
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193
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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.
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54
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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<...
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113
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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 ...
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55
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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 ...
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1
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214
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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 ...
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415
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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 ...
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290
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What technical color space is OpenEXR rendering in Blender?
I’m rendering my project as an OpenEXR sequence and, when I go to composite this over my footage, to be exactly accurate, I need to both convert the Gamut from what it originally was rendered at, and ...
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620
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How to make an object only cast a shadow but be invisible in a View Layer?
This may be something very simple but I actually tried a bunch of things without any success.
I am looking or a setup that allows me to do this in 2.8+.
Let's say I have a cube sitting on a plane and ...
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256
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Can we use "Grease Pencil" to mask other objects?
I'm trying to use a "greasy pencil" to cut out other objects. Like this red cube in the example. The white cube and the pink circle are in a collection. I want to make an object go through ...
2
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2
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91
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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 ...
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248
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White Diffuse Color shows as Gray in Diffuse Color Render Pass
In my current scene I have a material with a Diffuse BSDF node applied to all objects. The diffuse color is pure white. When I render the Diffuse Color pass or switch to Diffuse Color in the Viewport, ...
2
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1
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216
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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 ...
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82
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How to apply mist pass on grease pencil objects?
I'm working with a set of grease pencil objects and would like to fade the distant objects using the mist pass but they don't seem to be affected by the pass. What can I convert these strokes into so ...
- 155
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330
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The right way to set up a multilayer renders (and a reflection pass)
I am trying to create a "reflection catcher", to work like a shadow catcher.
I have followed this tutorial, which seems to work, but also seems to end up generating many more passes than I ...
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22
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Multilayer OpenExr Postfixes
When I output my renders to Multilayer OpenExr the layers produced are postfixed by various different strings.
What do the postfixes like .[V] mean?
Where can I ...
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30
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Strange top line on the frame when rendering with Cycles (OPTIX)
I get a strange obscur line on the top border of my frame.
I am rendering with Optix on a RTX 2070 super with 1000samples with denoiser (CYCLES).
I dont have this problem when rendering with Cuda.
Do ...
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153
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Is there some extra settings for bloom pass in 3.2 beta?
In v3.1.2, the bloom pass:
but, in v3.2 the bloom pass output is same as the default combined output:
Is there some extra settings for bloom pass in v3.2 beta?
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437
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glossy direct pass (view layer properties)
I am going through a step by step tutorial.
But at a certain stage, my render differs from the scene of the author.
Please help me figure out why my render is partially colored. The author is in black ...
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66
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Why is half of the smoke not showing in the reflection when I turn on "indirect only"?
I have a character that is emitting smoke and standing on a plane with glass shader. I want to render the plane with the reflections and the smoke separately. However, when I turn on "indirect ...
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2
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1k
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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.
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270
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Can I render single pass with cycles?
I would like to render single passes in order to tweak some parameters like resolution or sample count. For example I would like to render a low sample count indirect light then denoise it and compose ...
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36
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Can I render out different passes at one time?
I want to render out 1 pass and not the other in my scene, but when I try to do that, blender renders out both passes at once.
Is there a way to disable some render passes so I can render single one ...
- 1,338
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116
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How to Render water Particles in separate render passes
I have a very large fluid simulation and I would like to render the particles on different render passes. I am running out of Vram, I am rendering with a RTX 3090 but I guess I found its cap. I can ...
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191
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My Smoke simulation has this buggy blocky shadow
I have been tackling this problem for the last 2 days and I can't find any solution to it.
So, I baked this smoke sim and test rendered it, It has some weird blocky shadow and reflection, I thought it ...
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169
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Eevee diffuse pass render bug?
I hope this is the right place to post this.
To see the "bug", please go directly to the observation part.
The setup
We need to export the diffuse pass render in low resolution of a scene, ...
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162
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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 ...
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762
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Open EXR file not getting generated in certain cases
I am trying to generate an OpenEXR file based on the following procedure :
Getting the depth of every pixel to the center of projection of the camera in Blender
I have tried to create a simple scene ...
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274
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Ideas on: Realtime Mist Pass via Shading Nodes? [duplicate]
Wouldn't it somehow have to be possible to get a depth gradient into one's material nodes? This way you could have a realtime mist pass in the viewport (like in the picture).
I guess one would need ...
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645
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Access to Render Passes with Python
I need to save both the 'Combined' pass and the 'indexOB' pass. Is there a simple way to use it with Python?
I set the path to save my render -
...
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20
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How do I render out separate passes to be comped in After Effects? [duplicate]
The passes I'll need are:
Alpha
RGB Colour
Reflection
Specular
Ambient Occlusion
Shadow
Cycles or Eevee, doesn't matter, but they'll need to be rendered out to be used in a different program (not ...
- 129
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242
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Can't save a single pass from an OpenEXR MutiLayer file
So, I'll try to make it as clear as possible but I just started working with OpenEXR MultiLayer Output and I might miss some important info. Important to know I render with Cycles.
I'm working with an ...
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