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.
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Equirectangular + Glare: What's the correct workflow?
I've created a scene with generated emissive spheres representing stars. The glare node is used during compositing. I want to render this scene panoramically, for use as an environment texture.
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Glass reflection is repeating issue [closed]
How to solve the ior issue in glass material, that is repeating all the reflections?
Every line like a glass. It should be the one single reflection, but it repeats after every line.
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Ambient Occlusion not spreading outside specific area
Please excuse me if this is just not how AO works and I'm looking for something else but I want to know how to get my AO to actually cover this area for the wall material (The completely white ...
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match texture mapping across imported FBX files [closed]
I am trying to apply a single material to multiple imported fbx files,so that they all have the same texture scale, regardless of the size of the part (for example a car and a bus). I have tried using ...
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How to make smoke visible in cycles [closed]
I've been following a tutorial for a rocket, but when I got to the rendering stage, I added a principled volume shader to the domain object, the smoke is still not visible in cycles. I'm rendering ...
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Exporting exr/png sequence from Davinci resolve into Blender as Image plane looks flat
I want to colour match Blender render in Cycles with a image sequence exported from Davinci resolve. Here is my input and output colour space transform from Davinci resolve.
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How to prevent frequent crashes/instability while using Cycles [closed]
I've got a file I'm working on that's fairly typical for me.
Memory:9.77GiB, VRAM:12.6/24 GiB
Running into lots of instability when rendering version Blender 4.2...frequent crashes after pressing f12, ...
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Plant texture turning black in the transparent part [duplicate]
I created these plans using an image as a base, with two planes to form each plan. In the viewport, they appear correctly, with the black part of the image invisible. However, in the render, this ...
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Blender 4.2 Cycles will not use my GPU to render, only CPU
Within the preferences, I have my NVIDIA Geforce RTX 3090 selected, as well as Optix. I also have them both selected within the render settings, however, when I render anything Task Manager shows 100% ...
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Separate Highlights, Midtones, Shadows
I have this placeholder image (the bear cubs). I'm trying to capture the highlights, midtones and shadows produced as separate image files with alpha channels. The placeholder image -- instead, it is ...
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Why is Cycles Render in Blender 4.2 taking astronomical times longer than Blender 4.0 or Belnder 4.1? [closed]
Same file when opening in Blender v 4.0 is rendering the scene in just 5 seconds whereas Blender 4.2 is taking around 50 seconds.
Made the project in 4.2.
First scene has a ocean modifier on a plane ...
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"snow globe" Sphere render issue
I tried to make a snow globe.
and when I got the rendered image, I can always see a weird line on middle of the sphere.
I tried both UV sphere and Quadsphere and subdivide several times but still get ...
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Why does my render look like this, with artifacts?
On the viewport it looks ok, but when i render it, it has all this render artifacts... Does anybody have any clue why this is?
Thanks!
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Hair Particle System Crash
My project file crashes when trying to render a hair particle system. Sometimes it crashes before a frame renders, sometimes it crashes after multiple frames have rendered. The weird part is that the ...
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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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How to fix this strange texture bug on my foliage? [closed]
I am trying to do a scene render here of a jungle. All of my assets here are from Call of Duty, and the render is supposed to be a loading screen for Call of Duty. After importing and texturing all of ...
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Image Texture Via Spotlight Not Reflecting Onto Wall [duplicate]
Working on a project irl that requires splitting projector imaging via mirrors. I am testing features in Blender and I can't get my spotlight using an image texture to reflect off of the mirror ...
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Anyone know how to render cycles animations faster? [duplicate]
So i've been using blender for a couple months now and i'm starting to get into using cycles for my renders. As fun as it is, it's taking a long time to render and I was hoping someone could help me ...
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Vdb-export to blender not showing
using embergen 1.2.1, blender 4.0.2
i’m exporting a solid looking and working simulation in an vdb-format.
when importing into blender, nothing shows in the viewport.
the only way i got to see ...
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Particle Hair not rendering correctly in Cycles
I'm trying to add hair to my beveled geometry, which I imported as an SVG from Illustrator to create an outline for my text.
When I add a mesh cube and apply particle hair, it renders fine, but the ...
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How to CCTV ray portal?
In Blender 4.2, there is a new node Ray Portal BSDF.
How can I ray portal from an empty (FROM) to another empty (TO) like CCTV on screen example?
Nodes
There is a plane next to Suzanne's head, offset ...
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Render strategy for heavy scenes?
So I created a very large scene and was hoping I could get it to render by strategizing how to turn certain objects off in the render when they are too far away to be of consequence or obscured (like ...
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Saving render result directly to python object without saving on disk
I want to copy render result from memory to python object like list or later on numpy.
(without saving on disk)
After rendering
bpy.ops.render.render()
A new ...
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Motion blur rendering not capturing time-dependent shader changes
I'm encountering an issue with motion blur rendering in Blender where time-dependent shader changes are not being captured. Here are the details:
Setup:
I'm using Blender to render an image with ...
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How render proper Linear Rec.709 Gamma 2.4?
I have a task to render out PNG 16 bit in Linear Rec.709 Gamma 2.4 and can`t figure out if I do it in proper way. Is it enough to set view transform to Raw and Gamma 2.4 in color management panel? Or ...
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Can't see parts of a wall when viewed through a glass panel (shower cabin) from a top view angle
I would like to ask for help with an issue I'm having regarding the reflections / refraction of a glass material for Cycles (Blender 4.0.2).
The glass material is assigned to 2 shower cabin glass ...
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Blender render is less glossy than the viewport image
Basically, my render doesn't match the viewport image. Specifically, the most outer metal plate face that's facing the camera is significantly darker than the viewport image.
Things I checked:
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Is emission ceiling lights possible casting shadows?
I'm a former Lightwave 3D user and now using Blender, and learning fast.
My number one issue is the ceiling lights.
Does emission comes with shadows? Is this possible for cycles?
All I'm using ...
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Renderer suddenly stopped working
System:
13th gen i5 intel
7900 xt 20gb vram
windows 11
ram 32 ddr5
Blender 4.1
I am using Cycles, scene is 1.8gb
I tried:
Changing to CPU, both, only GPU switching render devices
Changing samples
...
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How to render cameras at larger resolutions using cycles?
Using Blender 4.2. I have several cameras with distinct settings. I want to render the scene using Cycles, once for each camera. I can use a single 3D Viewport filling my workspace, and make the ...
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Why is my edge-wear shader scale dependent?
I apologize for the color scheme but it was quick and effective for the stack. I usually use a color ramp to control things like gradient intensity and distance but this node setup is different. All ...
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Any Idea about hudge blocks in Cycles rendering
I imported an FBX Revit model and started to modify it a little bit. I added some textures, etc. In the first days the render was ok. today after some modifications is not.
Do you have any idea why ...
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How to fix this shadow using a toon shader in Cycles
I am currently working on a very simple toon shader effect for some background assets for a game, I am specifically trying to get as much done in Blender as possible rather than using shaders. I ...
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Is there a way to tell how many samples Blender used after rendering?
When using a threashold value (and some high enough value for the samples), Blender will make the decision for you when to stop rendering to optimize render times. So far, so good.
My question is:
I'm ...
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Should I downgrade blender if my graphics card is unsupported?
I have a laptop with an AMD firepro graphics card, when I want to render with my graphics card on blender it tells me I can't because I need to have Radeon driver 21.q4 version and above, the recent ...
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I want to create a material that refracts light but does not reflect it
I want to create a material that transmits and refracts light but does not mirror reflection
I don't want the environment textures set in the world to be reflective either
Is there a way to do this?
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Can't see any object added in render view using Fspy
I have added an object into the scene using the Fspy camera but when I switch to render view I can't see any object but only the image of the Fspy camera.
Also when I try to render an image just to ...
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Different results in scene/render/exported image, material with combination of emmision and transparent
I've tried everything I know, but still have this issue:
I made a texture with combined emission and transparent shader through noise texture
And if I render it it will look just okay, as I want
But ...
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Blender 4.2 Rendering with GPU doesn't give results
EDIT: I turned of tiling and now it shows nothing when rendered:
I have created a model in blender, added lighting, shadow catcher etc. Enabled GPU compute / GPU under device / GPU under compositor/ ...
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Unsupported Graphics Card Configuration error
Is there a fix for the Unsupported Graphics Card Configuration error?
A graphics card and river with support OpenGL 4.3 or higher is
required. Plugging all monitors into your primary graphics card ...
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Smoke simulation rendering very differently in viewport and final render (cycles)
I'm working on a render which makes use of a couple smoke simulations, which are rendered on their own view layer with most of the other view layers being used for indirect lighting or holdouts. In ...
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4.1.1 Adding gobo to area light does not work
I am trying to add a noise gobo to an area light as shown in many different tutorials. However my noise / color ramp do not seem to have any effect not matter how much I adjust. I've experimented ...
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Tint Transmission Colour
I need to reproduce a material in Blender that was originally made in C4D.
The material is quite simple, but there's something I'm not able to translate from the two softwares. C4D has a colour input ...
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Normal from geometry node working in Eevee but not in cycles
I have a procedural material that uses several edge detection maps obtained as the dot product of a bevel node and the normal vectors from a geometry node. As can be seen in the pictures, in the ...
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Transparent textures cast opaque shadows, even when the shadow mode is set to alpha clip
Like the title says, the textures with alpha in my scene cast opaque shadows, even when the shadow mode is set to alpha clip. Most of the geometry in the offending areas are flat planes. Transparent ...
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Cycles rendering OpenExr as white blank image
I rendered a lot of projects using Cycles in .png format and now wanted to try using and OpenExr format but all of my renders are coming out as blank white images, whole animation came like that. In ...
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Stars are not displayed in orthographic mode [duplicate]
Well, in general, the stars in the sky made through the nodes in the world tab are not displayed in orthographic mode. Everything is fine in the other modes. Please help me fix this.
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Geometry Node not working
So, I've recently installed Blender 4.2 and geometry nodes aren't working. I don't know much in geometry nodes or how to use them so maybe if someone can help me add water droplets on my can.
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Single frame bool tool appearance
Everything is fine in my render except for one frame where the cutout I made using the booltool to stop the water appears as a colour blue, even though there are no keyframes or anything, any ideas? I'...
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Blender Split Rendering Visible but Final Render Transparent [duplicate]
I am rendering an 8k PNG image in Blender which forced it to split render with around 16 segments. When it is rendering each segment, everything seems fine and the render looks like its proceeding ...
