All Questions
Tagged with render-passes cycles-render-engine
94 questions
-1
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0
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9
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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
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0
votes
1
answer
58
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
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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&...
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) ...
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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?
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0
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0
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20
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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
293
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
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0
answers
64
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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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0
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0
answers
27
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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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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.
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1
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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 ...
- 23
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
368
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 ...
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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....
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0
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0
answers
242
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 ...
- 101
0
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0
answers
89
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
778
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
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0
answers
400
views
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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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 ...
- 155
1
vote
0
answers
575
views
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 ...
- 568
0
votes
0
answers
43
views
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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1
vote
0
answers
93
views
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 ...
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.
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0
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0
answers
537
views
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 ...
1
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0
answers
39
views
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 ...
- 1,428
0
votes
0
answers
223
views
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, ...
0
votes
1
answer
155
views
Cycles — Non-translucent glass in compositing passes — Problem
I have a scene that is obscured by a glass plane that has displacement.
The glass curves/bends all the objects that are behind it. << This effect is crucial here.
When I render a scene with ...
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0
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0
answers
39
views
Not rendering properly
hello. I am new to blender. I created this donut. I applied a creamy material to the donut. But in rendering it is not rendering correctly and the donut material is white+light blue instead of cream. ...
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0
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0
answers
22
views
One of my objects won't show in my F12 or final render [duplicate]
I've tried to render my scene but there's an object that won't show up. I've checked the camera, I've checked the visibility, it isn't hidden and it's showing in the viewport. I feel like I've opened ...
1
vote
0
answers
177
views
Render Passes File Output in Headless Mode
Here is the blender manual on command line rendering: https://docs.blender.org/manual/en/latest/advanced/command_line/render.html
I am having an issue in blender where blender hangs on rendering in UI ...
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2
votes
0
answers
75
views
Unit of the color in of the Diffuse Direct/Indirect passes in Cycles render
When I read a pixel's red value 1.0 from these passes, is the value I read radiance, radiosity or irradiance? Is it 1.0 W/m^2 or 1.0 W/(m^2sr)?
My understanding is that a sensor is sensitive to ...
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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 ...
- 201
0
votes
0
answers
40
views
Transparency from shader becomes white when exporting on transparent background [duplicate]
So first time actually posting a question here, but I just can't seem to find a solution.
So I made this fire ramp shader for a project I'm working on, and I want to have a transparent background for ...
0
votes
1
answer
282
views
Why does ambient occlusion make a black area above emission object?
I did AO in compositor. The body of an emission object is invisible to the camera.
First screenshot - with TURNED ON AO
Second screenshot - with TURNED OFF AO
How it works and how i can keep AO turned ...
2
votes
1
answer
673
views
Automatic AOV shader pass setup for geometry buffer
Is there a way to create AOVs that affects all materials in the scene? I can successfully create an AOV shader pass that outputs world positions of the object material is on:
This gives me correct ...
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0
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0
answers
411
views
Can I render different passes into different folder automatically?
I have a file output node rendering different passes into a single folder (circled in pink).
I have set up folders for different passes (circled in yellow) and I want to set blender to automatically ...
- 1,428
2
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0
answers
273
views
How to keep only Reflections and Shadows but object itself invisible
I want to render only:
Object On the white table
Table surface reflections
Object Shadows on table
Emission particles reflections & gloss on table
I want White Table is to disappear totally
It ...
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0
votes
0
answers
1k
views
How do I render a normal pass that is blue/pink instead of red/green?
In my case, it's for an aesthetic purpose. I want to render out a version of my scene that has the blue/pink normal map look. Blender's standard Normal render pass seems to be red and green. I'm sure ...
- 127
0
votes
1
answer
1k
views
Incorrect Vector Pass output (No Alpha & Zero Values)
I am looking to render the vector pass in a OpenExr format with all channels. I have rendered on both 2.7 and 2.8 and the generated images have an empty alpha channel. The compositor is set as follows:...
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2
votes
2
answers
682
views
Some pixels doesn't render on the image ID MASK
LOOK FOR BOX TYPE IMAGES
I need to annotate each SINGLE plant separately from others, for accurate annotation, right now I've it scripted for ID MASK. It gives each object from a specifically named ...
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0
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0
answers
223
views
Is it possible to get Material ID passes with Anti-aliasing rather than jagged edges?
I cannot get a clean anti-aliased material id pass which makes selecting in photoshop a nightmare.
Anyone has an answer to this ?
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1
vote
1
answer
757
views
How to render a world position pass that includes volumetrics?
I've found the 'how to render a world position pass' Q&A on here, but I'm stuck at how to render one that includes volumetric objects (smoke in a domain object), it does not show in the render ...
- 617
1
vote
0
answers
321
views
Why Principled BSDF has no texture support for glossy color pass?
During compositing I've found out lack of glossy textured color pass for Principled BSDF material. Glossy BSDF works well though.
Example pics:
Glossy BSDF
Principled BSDF
Material
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1
vote
2
answers
98
views
blender automatically closes while rendering
I have to render a single frame and it's almost done every time for up to 80 percent and closes all of a sudden and that's totally screwing me up I set frame size to 1920*1920 and 100 percent render ...
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1
vote
0
answers
170
views
Diffuse render pass looks different from original texture
I have tried to follow these instructions on how to get a diffuse render pass of a brick texture that exactly replicates the original colors of the texture. But even with all the settings in place I ...
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2
votes
1
answer
1k
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 ...
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1
vote
1
answer
2k
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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6
votes
1
answer
425
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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2
votes
1
answer
267
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 ...
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0
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2
answers
2k
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 ...
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