Questions tagged [cycles]

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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volume crashes with rx580

(viewport not final render)keeping crashing whenever i use volume with my rx580 it load the meshs and when it began to render it crash if i do not end task the blender in split of a sec my pc gose ...
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27 views

Cycles: Rendered Image's lighting doesn't illuminate as much as render view's lighting

For some reason I can't figure out, my render view does not match my rendered image when it comes to lighting. I've tried all sorts of different render configurations, lighting options (pictured ...
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My glass has a smudge

I made a cup with a glass by setting transmission to 1 and roughness to 0. So I somewhat made it like above. However, As you can see if you zoom in it. there are several points to improve such as ...
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Stop pie menu from coming up from ctl z

Every time I try to undo with Ctrl Z my pie menu comes up to ask me what view mode I want. Can I block this from coming up. I don't like pie menus. Using Blender 2.8 cycles.
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Problem with “Bump map”

I don't know why its not working. :( I'm new in node editor thx for understanding.
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How to achieve multiple emission color on one mesh..?

I tried a color ramp node but its not working i also tried to mix two emission shader with mix node but result is not desired.. Like in the image
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How can I set up light on cycles to accurately pass through multiple panels of glass?

Im trying to make a small cafe scene with a patisserie display in it. It takes place at night and one of the aspects I wanted to explore was to have it as bright fluorescent spot on the final render. ...
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Why is my image so blurry? Also why is there no light at Cycles Render?

I am pretty new to Blender. I was asked to turn a client's logo into 3D and make it coming out of liquid chocolate. So I tried to do this as close as I could using the cloth simulation. But the image ...
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Normal Baking Error

I've been running into difficulty baking normal maps for an enemy intended for my UE4 third person shooter project; . The model uses 5 different PBR materials, and a combination of 1024 and 2k images. ...
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Remove “seams” between multiple objects with different UV maps

So, I have this project I animated in Source Filmmaker and ported over to Blender. There is facial animation that I set up in Blender 2.79 using a tutorial on YouTube and I later upgraded the project ...
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Retrieve Ray Tracer data

I need to be able to, given a scene in Cycles, extract the values of direct lighting intensity and angle of incidence for every light ray that hits a mesh. The final goal is to use these values to ...
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Baking Andrew Price's Donut in order to 3D Print

Long story but I'll try to bullet point it to make it simpler: I have a fancy 3d Printer that can print 500,000 colors. See my question here for a photo example. In that question I brought up that I ...
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How to use more GPU memory to render faster?

When I render a scene the GPU memory usage is only ~10% even less than that (477Mb). Is there any way to use more of the GPU memory and make the rendering process faster? I render each frame at the ...
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Eevee doesn't render 3D camera track but cycles does?

I've camera tracked the scene and everything in the compositor is right yet, when I rnder this out in Eevee, even though the plain is in the "background", it still renders it. But in cycles, it works ...
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Animation is not rendering

Hi i have created an Animation of an camera floating over an Forrest. nothing special. Just an Image Texture emitting plane and some keyframes for the camera moving. The Problem is now that the ...
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Only part of the object rendered in viewport cycles. Not a border problem. What is it?

I cant figure out why only part of his face is being rendered in viewport in cycles. Border is much bigger. The object is much bigger than rendered. You see on the picture. Any ideas? Bottom left is ...
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Material not copying to other objects in cycles

I have a material for hair that works great when using Eevee, but once I switch to cycles, it only appears to work on one object. The rest of the objects don't appear to receive anything past the ...
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Hello…I have not once been able to have a render complete…only about a 5% “speckling” and then nothing

I am a noob, but have gotten fairly comfortable with the basic / semi intermediate modelling and shading. Eevee is working fine it seems, but every tutorial I've tried, even the MOST simple for a ...
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Weird shadows on cycles render [duplicate]

can anyone tell me how can I get a smooth shadow on my render? It seems weird, like a cloudy effect. I tried to increase the samples but didn't work. Thanks in advance.
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Unable to position the camera perfectly

[![I used blender's old versions many years ago. In 2.8 UI has been changed. I am at a loss. I am in need to get a rendered image tomorrow, a cars interior picture, I got the .blend file from internet ...
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Cycles 'Ghostlike' textures

I have been working on a scene to render out with a 360 panoramic equirectangular camera. To do this I have to use cycles because the camera in eevee doesn't let me do full 360 renders. However when ...
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38 views

Why does the outside of my glass of coffee look strange?

I'm currently following Blender Guru's beginner donut tutorial and I just completed Level 3 Part 4 where we made coffee, but for some reason, the liquid as viewed from the outside of the glass looks ...
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Artifacts in terrain model cycles render (model exported from FME)

I keep getting these weird artifacts when I import a model exported from FME to blender. Happens only in cycles. Is this the so called terminator artifact? Doesn´t seem to be a lighting problem since ...
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Cycles Procedural Square using Polar Coordinates

I'm using Blender 2.8 and trying to get a grasp on procedural textures. For fun, I was following through the list here at https://thndl.com/square-shaped-shaders.html and now I'm stuck. Equation I'm ...
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Desktop GTX 1070 barely faster than GTX 1050-Ti mobile in cycles

I'm rendering 10 frames of a scene both on a Dell XPS 15 Notebook and my Desktop PC. Desktop: i5-2500K + GTX 1070 8GB Notebook: i7-8750H + GTX 1050-Ti mobile Desktop: CPU (i5-2500K): 2:34 min GPU ...
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How to control reflection of environment color on materials

In a scene I have an asphalt material made using a Principled BSDF node whose color, roughness and normal values are generated using noise and voronoi textures. World uses an environment texture with ...
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Isolation Mode and viewport rendering in 2.80

Is there anyway to viewport render in isolation mode like in 2.79. Currently if you isolate an object and go to viewport render, it renders the whole scene rather than just the isolated object. All ...
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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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Blender 2.81 denoising

Is there a reason to use Blender's (ordinary) denoiser when using Blender's Intel Open Image denoiser?
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34 views

How to select all non-CPU CUDA or non-CPU OpenCL devices for Cycles rendering (command line)?

I'm looking for a way to have Blender 2.8 render with Cycles using CUDA but only for Nvidia GPUs (no CPUs selected) and do the same using OpenCL with only AMD GPUs (no CPUs selected). My goal is to ...
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Blender 2.8 Cycles - Winter landscape, weird artefacts in few of the cut-out trees [duplicate]

I come across an issue when rendering tree particles. All of my trees in the attached image are from the source tree. The source tree is free of alpha mask problems. As one can see, most of them show ...
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184 views

Physically accurate water shader

I'm a bit tired of faking it and I'd like to craft a physically accurate water shader in cycles that works in most situations with minimal tweaking. I haven't found a solution yet and i'd appreciate ...
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How to bake transparency/Alpha in Cycles?

I have two cubes in the scene. The larger cube is made transparent by decreasing the alpha value, and contains a solid red cube inside. As seen in the picture above, the transparency works fine in ...
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2.8 Desnoising not showing up with animation?

So I recently downloaded the ai Denoiser for Blender 2.8 and it's working fine when I hit F12 to render an image. However when I'm rendering an animation it doesn't do anything. I'm still a bit new ...
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Super long transition from one frame to another in Cycles' rendering animations!

I'm rendering a 4 minute animation that's AV-synced to my new song. So far, I have followed pretty much all possible my Cycles rendering, namely increasing the Tile Size for GPU Compute, lowering ...
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How setup Cycles Compute Device in console

I am using blender 2.79, and I am trying to set up Cycles Compute Devices devices in system tab of user preferences menu in python console. What I can do is a list of available devices. ...
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Rendered image only shows a small frame

this is what I want to render: but this is what I get:
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Instancing Objects infinte ammount of time?

I have modeled a modular kit wich consist of 9 objects and togethter around 1127 faces. Togethter places with some instancing of the objects i get one big Module. This Module consists of two floor ...
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Why does my Look Dev Mode look completely glitched?

Today marks my first day's experience with blender. Complete newbie here. I've been following a tutorial on building simple characters and getting familiar with the work space. I noticed something ...
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Character wiping fog off a mirror using dynamic paint

I've been making a scene where a character wipes fog and water droplets off a mirror to reflect themselves. I made a dynamic paint sequence using the character as the brush, but i cant work out the ...
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11 views

Single UV for multiple objects?

I am working with an engine that allows up to 10k tris per object (I can import a file with many objects as long as each object is under 10k tris). This engine does not support pbr textures so I ...
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Is there implementation of tri-planar mapping in Cycles renderer?

Is it possible to have tri-planar mapping in cycles? Like in corona renderer or fstorm?
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How can I generate an UV-coating effect

i try to get an effect on an image texture in blender like an UV-coating. Example could be: https://i.shgcdn.com/1d8071fc-58f9-4ed8-b1f6-4e6febb330d9/-/format/auto/-/stretch/off/-/resize/3000x/-/...
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39 views

Assign the texture

Hey I don't know why the material I made in the Nodes Panel doesn't show up in render view. Can somebody help me please?
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Blender Not Rendering Properly

Only the sky is rendered, some parts of the rig, and the sword. I'm not certain as to what caused it. The blend download file is below. I could not use blendswap because it is larger than 30MB. https:...
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Weird squares on the texture and model

so i was trying to render this model and well this happened on render only After i applied a subdivision surface the model became weird as well Does anyone have any idea on what happened :/
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Blender 2.8 GUI lag when rendering (F12 & viewport render preview)

So I have a laptop with 2 GPUs: an Intel HD 520 and a Geforce 940MX. In the case of 2.79, if I had set Blender to run on the nVidia GPU in the NV control panel, there was a horrible GUI lag when ...
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FREQUENT CRASHING

I'm totally new to Blender and I'm suffering a lot of crashing and very low fps (even when in wire frame mode), my domain is quite complicated - theres animated ocean, fog, quick-smoke animation and a ...
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Physics Attribute Node

Can the attribute node have an attribute that measures the force put on a surface? I'd like to attach this to the displacement output as a different way around fluid simulation, that hopefully ...
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Renders Not Using Values in 'Sampling' Section of Scene Tab (2.80, Cycles)

OK, so something bizarre just started happening with a scene I'm working on. I have 'Render' samples set to 128, and 'Viewport' samples set to 32 (this is in Cycles). I don't know what I might have ...