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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Is there a way to speed up or slow down movie clips that are on a plane?
So in Blender it is quite easy to put movie clips on planes via the 'images on planes'-addon. But I couldn't find a way so change the playback speed of the individual planes. Is it even possible, or ...
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Transparency layering in cycles
I am working on an automotive project and the client wants me to show a translucent model of a car on top of the engine assembly. The issue is with transparency layering of cycles. I know cycles is ...
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Displacement Looks Different in Render compared to Viewport
I am trying to do a simple electricity plasma (lightning) simulation using displacement modifiers. It looks completely fine in the viewport but completely wrong in render.
Not only that, but the light ...
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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 ...
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How to tweak the hue of an existing shader?
in a project i need to work with an existing shader group that output a shader data.
The entreprise pipeline does not authorized us to change the content of this nodegroup and there’s no hue ...
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All objects are black in the render view port
The objects are black in render view port but when I render it I can see the color in the image.
Can anyone please help.
computer info:
iMac
garphic: Radeon Pro 580 8 GB
memory 32 GB DDR4
processor: ...
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Hair partially disappearing in render after combing
I got a weird problem. Patches of hair on a rug for a bathroom scene are disappering in my render, but only if I entered particle edit Mode and combed the hair before.
So, I start out setting up my ...
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Blender crashing when rendering in Cycles or Eevee [closed]
Really not sure why Blender is crashing as I've rendered longer and more complex scenes.
There's no warning, the whole program just closes.
I've tried both Eevee and Cycles and setting my CPU or GPU ...
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I have a weird shadow / occlusion glitch in my animation with Cycles
I have a weird "1 frame" glitch in my animation causing an unwanted occlusion or shadow.
You can see it in my gif in the mouth, and behind the creature a shadow trail on the picture.
Motion ...
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How can you create still image fire in Blender 2.8 Cycles?
I'm working on an interior scene of an old witch's house that will have a fire in a hearth. It is just a still image and will not have any animation. What are some ways of modeling a fire for a ...
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Completely different render image from viewport Cycles
Hello below I have what is supposed to be the rendered image, and the second image is what is being rendered. I am not sure why this is happening, assuming a certain setting in my render properties. ...
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How can I render animation in seconds? [duplicate]
I am using cycle and I had rendered my animation thinking it would take less than a minute, but my render time is an hour+. I use a MacBook Air M2 2022. My sample count is 8192, while my noise ...
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Why does refraction + volume scatter cause a much darker result?
I've noticed that glass objects tend to turn really dark when adding volume scattering.
It seems the volume scatter shader gives a much different result when a refraction shader is used in the ...
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Why does my object not show up in View Port Shading?
I'm very new to Blender. What is every reason an object isn't showing up in a render or viewport in when using the cycles render engine? I've been trying to figure it out but the object is still ...
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Blender BPY get random object location but ensure object still by camera?
I am trying to randomly place an object in my CYCLES scene. The below function gets a random location within the camera's FoV, but there is a problem: if the object is too far away, it will not be ...
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Mist pass issue with Megascans plants assets
I have an problem with Megascan plants assets not behaving correctly with the mist pass.
It works with other plant assets (graswald, polygoniq, etc...).
I cranked up the transparent and transmission ...
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Bake AO map from multires in Blender.2.82
Back in 2.79 there was the ability (in blender render mode) to bake ao maps directly from multires. There was no need for a hp and lp mesh to do this.
How can i achieve this in 2.82? The only ...
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Strange shadow on render [closed]
I have strange shadows on render, but in editor I don't have them. Anyone know how to remove them on render? Help me, please
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Random rectangles 'missing' when rendering with optix + motion blur
When I render a scene that uses motion blur with optix, there are randomly rectangles/sections where it skips straight to the background. Its random and only exists in some frames, and does not appear ...
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Cycles: Glass not rendering as transparent in CPU mode
AMD Ryzen 7 2700 8-core 4.1, 32 GB RAM, RTX 2060 (6GB VRAM)
I have a glass and transparent BSDF set up correctly in Blender, and the texture set to alpha clip, and alpha hashed for shadows. The glass ...
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I want to achieve specific kind of lighting for my render but cant get there
I've been trying to figure out a solution, but I can't seem to get it to work.
I almost got it to look the way I wanted, but it seems to lack natural lighting and such. I'm new to Blender so I don't ...
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Can’t render animation
When I render as animation the render doesn’t work, the window appears but there’s no image or any statistics of the render. What I find weird is that I can render a still image perfectly fine and I ...
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When the Cycles engine is selected, the object deforms by itself [closed]
I have an object created by me, which, in fact, looks the way I need it, but when previewing or rendering on cycles, some of its faces are squeezed out, as if under solidify, although there are no ...
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Pc keeps restarting during rendering animation
I im trying to render a scene with 160 frames. But when i come back to check the progress after sometime i see that my pc has restarted. This has happened several times now for this same project. Ive ...
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Saved Image Output Missing Layers & Compositing
I'm having some really odd issues getting a render to output to files correctly. I have a really simple blend. A single object with a fire sim. There are just 9 frames and I'm rendering out the last ...
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cycles rendere problem [duplicate]
after I have modelled a mesh , when i render it in Cycles this happen:
how can i fix that?
here there is a reference of the model:
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Baking Normals Problem in Blender 2.8
I've tried many things to try and get this to work. (ALT+G, Recalculation outside and inside normals, using a cage, flipping the normals on both meshes, and changing the extrusion size) I still get ...
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Weird Ocean Lighting in Cycles Render
Thank you for reading this. I'm making a ocean scene in blender, it looks perfectly find in the actual layout tab, but when I render it the ocean lighting just turns white. I've attached a screenshot, ...
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Need help rendering animation in Cycles [closed]
I’m new to blender but I have done a few animations so I’m not too sure what the issue is.
When I go to render my animation the render only shows the first screen with the gold instead of the second ...
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Texture disappears when rendering in Cycles
I am trying to render a scene in Blender using the cycles engine, and i have here a texture with transparency. First it was rendering black because of it but then i fixed the problem with a ...
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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 ...
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How a CUDA works
I have activated CUDA. Im having 24GB RAM for my system and 2GB NVIDIA Graphic card. Is CUDA a GPU rendering, that means it will render with 24+2 GB RAM or just 2GB NVIDIA Graphic card and CPU means ...
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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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Hide instance (original) light while keeping the instanced versions
I've created a lightchain. For that lightchain I need a point light at every "bulb", as an emitting material is too weak of a lightsource. To achieve this I have created an array of planes ...
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I’m getting artifacts when setting up a cavity node shader
There are white lines and dots I cannot explain where they come from. The mesh in the areas is flat, there is no non-manifold or loose geometry. The normal maps appear fine.
The normals are fine - all ...
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Set color of background grid when using a sky package
When I render my scene, a part of the horizon is rendered as black.
I am using a sky package (Pro lighting skies) in order to set the sky but the camera also captures the "grid" background ...
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Baking Multiple Materials into one Object
I've searched around the forums here and found multiple solutions for this problem, however they appear to be unique to those individuals. Their solutions do not work with this particular scenario.
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Laserlight - Fog Density?
Trying to make something like those laser lights.
For the laser itself i found a lot of stuff on youtube, but when it comes to the details im not sure. Its just consistent in those tutorials when it ...
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Is it possible to load a games quality with cycles before being played?
Would it be possible to use cycles to load a game if the games assets were loaded before the game was played? As an example, if I were to make a game where you sit in one place in a 3D room and all ...
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My blender keeps crashing all the time - real time render in cycles [closed]
I am new to blender. I upgraded to blender 3.5.1 and it keeps crashing all the time.
I tried to downgrade it back to 3.5 and the problems remains. Anything I should do to make it stable?
It prompts up ...
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Blender 2.8 crashes while compiling scene
enter link description hereI have a new Mac Book Pro - with 32 gig of ram plenty of disk space. Every time I try to render a scene using cycles I get through 5-30 frames and blender crashes. Any ...
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How to make something similar to rigid body joint in Cycles?
So I made a ragdoll horse in the Game engine using an armature and some hitboxes. I connected these hitboxes with Rigid Body Joints. Now I want to use this rig for animation. However, I animate with ...
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How can I make my animation video repeat several times so it is a loop?
My animation video after the rendering is only 4 seconds long tho I want it to repeat several times so I can choose how many seconds the video should have.
My animation video has 120 keyframes it took ...
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Blender how to have different pictures for hdri light and background of a scene?
i have a question about the background in a blender scene. i have a scene with a house and with an HDRI in the scene world that serves as a light. so far so good. but now the hdri doesn't look good as ...
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Texture not rendering in Cycles engine
I have a scene which I have made:
But when i go to render it in Cycles. The table loses it's texture (which I custom made through Blender's shading workspace.
Why is my table texture disappearing in ...
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Rendering in Black and white
I'm doing some basic renders in version 2.9 and they are appearing in black and white after render, but in the render view while editing, they look fine.
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Cycles: Light through coloured glass
I'm fairly new to blender,I started following this tutorial but the results are a bit far from what I want.
I want to manage to get the crystal material to be transparent, so when the light comes ...
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How to have only the shadow of an object into its own render layer?
Hello people of stackexchange,
I'm working on a more complex setup but want to understand the basics, so I'll use a simple example.
I have a plane and a cube. The cube is casting a shadow on the plane....
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How to fix blender particle hair explosion
Hi I'm not that good with hair particles.
Somehow it explodes, flies off the head and grows into a huge electrostatic ball of wool.
https://blend-exchange.giantcowfilms.com/b/5263/
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Alpha Volume Scatter Weirdness
I have a volume scatter box (which is fog) which has a principled volume shader on it. I then have this barrel with a png image in front of it, i enabled the alpha... however the volume scatter box is ...
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