Questions tagged [cycles-render-engine]
Cycles is a ray tracing render engine that can be used to achieve photo realistic results in Blender. It was introduced officially in 2.61. Use this tag for any Cycles related posts.
8,572
questions
0
votes
0
answers
12
views
How do I remove this sphere of shadow in this render?
ONLY when I use cycles renderer, this odd sphere appears around the origin. It seems to be tied to the parent collection as it dissapears when I hide it, but none of the objects that are inside the ...
0
votes
0
answers
10
views
The alpha becomes black color when I see through more than 9 layers. How do I fix this? [duplicate]
I am trying to create hair using hair cards. The alpha becomes black color when I am seeing through more than 9 cards. I am pasting the screenshot for more clarity. This is happening only in cycles. ...
2
votes
1
answer
15
views
do i need a skull for subsurface scattering
i am trying to make a photorealistic human head render and i was wondering... real human heads have a skull inside them, which probably shadows the sss, stops light from bouncing around inside in ...
- 153
0
votes
0
answers
20
views
Bump roughness in Cycles
Can the Cycles render engine sample micro details? Can Cycles automatically switch from a bump map to a roughness value depending on the size of a feature in the camera? I'm asking because the ...
- 59
0
votes
0
answers
14
views
Why i get a flicker render video animation?
After rendering in cycles took 3hrs to render, Why video get flicker
Link
Any solution to fix, Whats going wrong with the animation or setting, Any suggestion or solution. thanks
- 9,639
0
votes
0
answers
8
views
Cycles render is showing different transformations than Eevee or viewport
So for my animation I have a hand model with fingers being animated individually and it appears that only in cycles the final render has the transformation for parts of the fingers deformed.
The top ...
0
votes
0
answers
7
views
Why would an environment render properly on one computer but render as grey on another?
I'm experiencing some strange behavior on my render machines currently, and I'm not sure why. Basically, the environment renders out as a flat grey instead of what it should.
The only difference ...
- 61
0
votes
0
answers
17
views
Blender magnification calculation?
I have a very simple scene:
A 100 x 100 mm (h) rectangular plate at the origin
A spotlight on the target
A camera looking directly at the target. The camera is placed 1000 mm away from the target (d),...
1
vote
1
answer
23
views
Some the objects turn black Problem with Render on Cycles after press F12 [duplicate]
When I press F12 all sushi model appears on black. Only when render on Cycles, but on EEVEE shows totally normal.
Blender file
0
votes
1
answer
23
views
Why isn't my rendered preview fully colored?
My object is fully colored, but when I hit F12 to render a good portion of my object looks as if it's still in the viewport shading.
I'm not sure what I'm missing here, and I'm also having a hard time ...
- 1
0
votes
0
answers
23
views
Volume godrays way too noisy
I've been trying to make godrays but they take a lot of samples in my scene. It's an interior and I wanted to have some god rays from the windows, I know volumetrics are expensive, but is there a way ...
1
vote
1
answer
15
views
Cycles baking not working
I am learning how to bake textures in Blender snd I made a simple high poly mesh by subdividing a plane couple of times and poked the faces out.
I then added a plane, did no changes to it, and added ...
- 13
-1
votes
0
answers
13
views
Cycles rendering dark [closed]
I have this problem where my cylces render has dark areas depending on the sample count.
- 1
0
votes
0
answers
18
views
Light not rendering at all
*Disclaimer: complete beginner to blender.
So i'm trying to render some text, but when I add a point light my render ignores it (on both cycles and eevee). I gave my text glossy material, and my point ...
- 1
0
votes
0
answers
13
views
Problem with duplicate images as planes - Strange Black Boxes
I am trying to create a stadium scene and am trying to fill the audience with alpha 'animated crowd videos' added as 'image as plane'. I think it may be a problem with duplicating the video over and ...
- 3
0
votes
0
answers
16
views
Why my render animation always shows some random object?
Just tried to render a scene, when suddenly the frame got some glitch and keep randomly showing random object that isn't showing in the viewport. The object will disappear after i re-render the frame.
...
0
votes
0
answers
23
views
How can I render a CubeMap with EEVEE
I'm trying to render 6 images of my world in EEVEE to form a perfect cubemap, but when I render the images they don't fit together perfectly. I would like to know if there is any specific ...
0
votes
0
answers
21
views
blender 3.4.1 crashes in render view [closed]
After windows 11 update nvidia 3070 gpu was disabled on windows 11 and blender 3.4.1 would not open, fixed gpu issue, blender still didn't open. Tried older versions and they opened for a while but ...
0
votes
0
answers
10
views
Meet error `Failed to load CUDA kernel from blender-3.2.2-linux-x64/3.2/scripts/addons/cycles/lib/kernel_compute_75.ptx' (Unsupported PTX version) [closed]
when I use blender-3.2.2-linux-x64 on ubuntu server and try to use Cycle to render, I met this error
...
- 1
0
votes
0
answers
24
views
Wobbly Glass Artifact in Render
AMD 6700XT. I don't know what happened to my render, trying to figure out, I use standard BSDF Glass material. It is denoising problem or what?
- 1
0
votes
0
answers
11
views
Glossy render works in 2.8, but not in 3.2.2
A year or two ago I made a setup where I can make whatever scene I want, which will be rendered like an environment map onto a texture, by rendering the gloss of a mesh.
The reason I did it this way ...
0
votes
0
answers
15
views
I am trying to make godrays for specific Light rays in the render but it isnt working well
I have used the sunbeams node in the compositor but as you can see the emitters on the bed are also creating the ray effect, is there a way so that the Godrays are limited to the window rays only?
Any ...
0
votes
0
answers
16
views
The texture appears fine when in the preview mode but some white parts appear when I render the Scene in blender
So I have this room scene in which I have used geo-scatter for the vegetation.
All the textures appear Fine and There is no White space and the mesh is joined without separation.
But during the ...
0
votes
0
answers
12
views
Light rays visible to camera when motion blur is applied - cycles
I'm rendering a scene with motion blur and the backlights of a car are not supposed to be visible to the camera, the area lights are just used to light up the street as the emissive material is not as ...
- 33
-2
votes
0
answers
32
views
Shadow caustics for MAC M1 (GPU) [closed]
shadow caustics options are not available if I set Cycles to use GPU Compute.
Shadow caustics are available when I render with Cycles on the CPU, however this is very slow.
I’m a MAC M1 Max user, on ...
- 1
0
votes
1
answer
33
views
Problem getting semi transparency to work in cycles
I've made some images in Krita (drawing software) with both full and semi transparency involved. I can get the full transparency to work after importing the image to Blender, but not the ...
- 1
0
votes
0
answers
18
views
How to make glass texture more accurate to what I'm trying to recreate
I'm very new to blender and I don't quite know what a lot of material properties or nodes actually do so I don't know what I'm supposed to change but basically, my problem with the glass box, is that ...
- 1
0
votes
0
answers
15
views
How do I make a photorealistic Garnet shader?
I'm trying to make a Garnet as the main gemstone on a current project, but I'm struggling. I'm using Jocafe's glass shader currently, and it works really well for the smaller diamonds, but the ...
- 211
0
votes
0
answers
13
views
Object disappears when switching to the Cycle render engine
I'm fairly new to Blender so please forgive me if the solution is painfully obvious but I've recently been working on a model and I noticed that whenever I try to switch to the cycles render engine, ...
0
votes
0
answers
25
views
My renders in cycles are always black. Can anyone help? SOLVED
EDIT: I figured out the problem. I was going to view>viewport render image as I always did in eevee, and I was supposed to go to Render>Render Image. Problem solved.
I'm having trouble with my ...
- 21
0
votes
0
answers
17
views
How to manage selfreflecting light in object
I get these weird miscoloured rings in my object from it reflecting on itself.
I tried using the "is reflection ray" but am not sure if there is a way to turn off only ray reflecting on the ...
0
votes
0
answers
19
views
Normal Map inverting while rotating while scene stays the same
So I am trying to create a loop around a spiraling street.
For this I'm moving the camera for a while and recreating the beginning at the end exactly. Loop-wise it works.
Here you can see the camera ...
- 33
1
vote
0
answers
21
views
Multi object SSS
So, it seems like multi object SSS in Blender Cycles is not possible, and therefore, when 2 or more meshes with a material that has SSS intersect, it will make an ugly dark line at the intersection.
...
- 151
0
votes
0
answers
9
views
Small bits of flickering artifacts inside and behind VDB volumes in cycles
I have rendered this video using cycles in blender 3.3.1. The scene contains two VDB volumes (red boxes in the video) that are volume-shaded using a simple emission shader that shows the VDB data ...
- 1
0
votes
2
answers
37
views
Transparent textures result in extremely noisy mist pass
When rendering a mist pass in cycles in a scene that contains textures with alpha, it becomes essentially unusable due to noise.
All posts and solutions I could find about this seem to be outdated and ...
- 55
-2
votes
0
answers
25
views
Insufficent Lighting - Blender Donut Tutorial
When I was following the Lighting tutorial by Blender Guru, his lights were pointed by three sides. However, I can't see my sprinkles when I try to replicate this.
I tried increasing the wattage of ...
0
votes
1
answer
40
views
Making volume clouds sharper
I am creating a nebula-like environment. This is my workflow: I create a simple mesh with displace modifier applied to it. I then create a volume empty, apply mesh to volume modifier to it using the ...
- 383
0
votes
0
answers
25
views
Height Map Visual Issue
I have a height map which was painted in Substance Painter, but when I use it in Blender I get some crazy visuals. This is in Cycles.
Here's what the Shader Nodes look like. Each image is labeled. ...
- 45
0
votes
0
answers
15
views
Reduce render time
I am doing this project where I want lots of realism, but the render time for one frame was around 2h and I only did the exterior.
I am quite happy with the quality at 10 minutes, maybe even for the ...
- 111
0
votes
1
answer
28
views
HIP error during rendering
This is the error message that blender 3.4.0 gives when trying to render on an RX6700 XT video card. The video card is new, there are no problems in other applications and games. The latest drivers ...
- 13
0
votes
0
answers
12
views
Panoramic lens weird gap between objects
I encountered this problem when I tried to use the Fisheye lens. There is no gap between the ground and the object
but when I switch the render engine to the Cycles render view this gap appears.
...
0
votes
0
answers
25
views
How do I fix this weird shading problem?
This problem is present on about half of the entire model, on seemingly random faces. The problem only appears when viewing the material, not in normal solid shading. The problem appears in both EEVEE ...
- 133
1
vote
3
answers
31
views
Shader is Black in Cycles
I know it's been said a thousand times. I've looked. But, nothing has worked.
I'm using a CellShading Shader I made, and I need to bake it.
I can't do this without switching to Cycles, though, and in ...
- 13
0
votes
0
answers
18
views
UVWarp modifier render problem
So i tried to use the UVWarp modifier method to pose this character's pupils, on viewport it looks all fine, but when i hit render the eye texture's broken. It looks like it rendered both the eye ...
- 1
2
votes
0
answers
28
views
Subsurface value of principled BSDF shader affects other materials with subsurface
As the picture shows when I decrease the value of subsurface for one material (skin in this case), other materials (around the eye) that also use subsurface are getting black even though they are all ...
- 21
1
vote
2
answers
41
views
Help with Shadow(s) in Blender (Cycles)
Hello Blender community,
I ran into a problem.... What I want is to exclude the shadow that is cast by object 1on object 3. But the shadow from object 1 on object 2 must remain. How do I Fix this ...
- 11
1
vote
2
answers
62
views
Programmatically crop render region to geometry
I have a complex geometry nodes setup and a script to render out multiple viewlayers as separate images. For context, I'm generating the fixed imagery necessary for previewing a framed canvas product ...
- 161
0
votes
1
answer
14
views
Why is my pose different in the render vs viewport?
Exported a character from RuneScape, used mixamo to rig and export, posed the character and created a key frame by selecting all bones and inserting a keyframe. But when I render my character gets ...
0
votes
0
answers
25
views
Why is my brick texture fading after I bake it?
The Image size is 4096x4096 so it's not a low-quality issue.
- 1
0
votes
0
answers
16
views
Does cycles apply some kind of distance-based exposure compensation?
I am trying to get a handle on why lit objects don't seem to get dimmer as distance from the camera increases.
The setup:
Icosphere with Principled BSDF material with white emission of strength 1000 (...
- 1