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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92 views

Can I use my two PC on my own network to Farm Render in Blender?

Is it possible to use Cycles engine to render only GPU based from two computers in Blender in my own network at home? TY.
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Blender 2.8 - Cycles - Math (Sign)

I have worked on plenty of Math operations within Cycles without the need to use GLSL. The only operation/function so far that I Can't figure out however, is Sign. Basically, this operation will ...
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Having trouble adding brick texture

I have appended an old house building to a scene that was made using blender engine, but now in a cycles scene. I have attempted to add a brick texture to the house but it won't show. I am new to ...
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My LEDs disappears when changing from Eevee to Cycles

I'm totally new to Blender 2.8 and trying to learn from Youtube videos. It is going well, but I have this problem. I have some LEDs (imported as STL files) and they look okay when the render is set ...
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23 views

Is there something like a stretch or deformation Map?

Working on some procedural materials and wondering if there's some way to get a sense of how much an area has been compressed or stretched from some resting position. Ideally this would be a vector ...
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1answer
47 views

Alpha in Cycles isn't totally transparent, possible Mix node issue

Having a rather frustrating and nearly impossible to search for issue with transparency in Cycles, specifically a dark outline around the texture as you can see in the included images. I seem to have ...
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1answer
138 views

Blender 2.81's render device set to GPU doesn't show the viewpport render

So I was tweaking my node setup in the world background when suddenly everything turned grey. I tried to undo the steps but nothing changed. A bit later, I switched my rendering device to CPU and it ...
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Can't see HDRI in cycles/eevee in blender 2.8

I don't know what happen, I don't know if i just have a deactivated a node or an option.
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27 views

Invisible / transparent source of light. How to turn on?

Something happened and the light source is no longer visible to me, how to make it visible again? Light falls, but the source is not visible. If you make an object and apply the emission shader - ...
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How to link image in uv image editor using Python? Blender 2.66

When loading image in Image_Texture node using blender, it's linked there by itself (img below), but not when doing it with Python. I want linked images to be seen in 3d view.
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How can I make whole scene emit light

I;m using nodes to make all objects emit light, it worked before but i have changed something, i'm not sure what and now the only object emitting light is the chopper blades. I want the grid and the ...
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1answer
30 views

Cycles Render - Glass Shader: Some faces are rendered black

I have this problem with blender. I have created a mesh consisting of around 400 vertices. In Cycles Render I added a Glass Shader and connected the "Generated" Output of the "Texture Coordinate" Node ...
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why texture rendered normal in eevee, but rendered as transparent in cycles ?

Anyone knows how to rendered normal in cycles?
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Procedural material broken in 2.81

How it's meant to look^ I downloaded this wonderful procedural shader setup by Elbriga, which has worked fine in Blender 2.8 – but when I got the new 2.81 version the material preview is broken for ...
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FlipFluids & Ocean modifier as displacement. Baked frames in 3D view show all movements but rendered animation not. Manual keyframe ok. Any solution?

I have created a FlipFluids simulation in Blender 2.81 ( 2019-11-25 21:45) and added an Ocean modifier in displacement mode to the fluid_surface. Then I have baked the complete sim from within ...
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1answer
65 views

Create mask for half of sphere

I'm trying to create a rotatable mask for a sphere which I can rotate around the sphere using the mapping node. My aim is to make it look as though the sphere has a bright light shining on it (like ...
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1answer
54 views

Textures don't show in 3d view after loading them into node via python. Blender 2.66

Textures don't shows in 3d view after loading them into node via python. I can see them in render mode, but not in edit. Also after selecting image texture node they show-up in 3d view, but I can't do ...
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1answer
35 views

How do I import An image with transparancy [duplicate]

So im trying to render my minecraft 3d skin but the hat it not being transparant
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50 views

How could I create a sand dune animation?

I've been working on creating a whole bunch of nature animations and one that I've been trying to create is the "windy desert". Is there any way that I could simulate this in blender. To be more ...
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1answer
40 views

Water droplet particles appear dark and muddy (2.8)

I made a particle system on this can to make it look "sweaty" but the water drops are far too dark for me. Is there any way to make it look clearer/lighter/more reflective?
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17 views

Is there a way to bake volume density information which is generated from an OSL script?

I am trying to generate volume density information (e.g. a mandelbulb) from an Open Shader Language script in cycles. This however only works when rendering with a CPU. My GPU is much faster but doesn'...
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1answer
24 views

Is it possible to convert displacement node to “baked” geometry (OBJ, FBX, etc)?

I'm wondering if the displacement achieved using a displacement node in cycles can be "baked" into a mesh with traditional geometry. Is that possible?
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2answers
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Depth of Field on glossy surfaces (cycles)

I have made a scene in Blender where there is a glossy ball on an icy lake. I noticed that there is no Depth of Field on the reflection of the ball. I could add a fake Depth of Field in post-...
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Use of a cubemap as environment map

in both Cycles and EEVEE, I can easily set an environment map using the nodes (Environment map node -> World) and use an equirectangular image as source. Equirectangular images are not very good at ...
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2answers
63 views

(Cycles) Transparent object casting shadow issue

I'm trying to make an animation of a fade in, but when using transparent shader, glass with 1 IOR, Alpha, anything casts shadow. I just wanted to make the object disapear from the scene, and smothly ...
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50 views

Creating text on paper?

Edit: This is not a duplicate of How do I put an image texture on a material in Cycles? because that question only seems to talk about adding an image texture, not combining an image texture with ...
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1answer
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Object Appering in preview mode but not in renders

I'm Trying to render a box on top of a video that ive tracked in the 3D viewport everything looks fine but when I render the frame using f12 the geometry is missing from the rendered image. I'm ...
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Final render textures have artifacts that don't show up in viewport renders

I created textures in Substance Painter for a skeleton model I created from scratch in Maya which I rigged in Blender. I used the Principled BSDF to apply all the exported textures from Substance. ...
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Lost A.N.T landscape tool (Another noise tool) [duplicate]

I today was just messing around with the ANT landscape tool. I had clicked "shade smooth" on the objects menu. I had lost the A.N.T menu that opens up whenever you spawn a landscape on the bottom left....
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43 views

Is there a toon shader that can achieve this concept art look?

Ive experimented with typical toon shaders in cycles and eevee, but usually the color effect is very concise and not concept art/painterly: In eevee ideally, is there a way to achieve a more concept ...
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19 views

can't see simple displace in EVEE? [duplicate]

pretty much ex maya user getting in to blender. LOVE EVEE, but I'm curious what can be visible? Is there a link to what you can see? I just created a very simple plane with displace on it using a ...
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1answer
39 views

Which Nvidia RTX attributes are the important ones? [closed]

This RTX family of Video Cards includes different generations of GDDR ram and amounts and multiple price points as well as so many clock speeds and OC options. Rather than just throw money at a high-...
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1answer
53 views

Cycles Smoke render - Extremely poor performance & crashes

I have a decent new build: 3700x + 2x 5700XT, 32gb ram, using 2.81. I thought smoke rendering for a fairly simple scene would be a breeze (excuse the semi-pun) but for a render of a scene containing ...
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1answer
40 views

How to get better displacement result

I'm drastically displacing a mesh (with procedural textures) and due to the displacement being rather big and practically "vertical" there aren't enough polygons and it starts to look very stretched: ...
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Smooth shader not working | pdb addon loaded molecule

Maybe someone can help me with this. I am in Blender 2.80 and I used the pdb loader add-on. Now I have some problems with getting a smooth shader on the bonds of my molecule. That was never an issue ...
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2answers
263 views

CPU slower than GPU

I have an AMD 2700X and an RTX 2800, for some reason my CPU will stay on a rendered tile for 54 seconds every single time and wont move on. But you can see the one tile that my GPU is just speeding ...
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2answers
51 views

Plane in Render not visible in Object Mode

Thanks in advance for any help. I am following Andrew's Donut/Cup tut on youtube using 2.8.1 and had a render problem. Here is a snap of my Object Mode And here is the same view in render mode. ...
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14 views

How I do to add a procedural texture from blender render to cycles?

In Blender Render, I have procedural textures (natural from the app) but, this textures doesn't have in Cycles.
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1answer
26 views

Adaptive subsurface not spherical

I have a basic cube with the adaptive subsurface modifier attached. I am getting this in my render: I was expecting the displacement to be more uniform over the cube. Here is my material and other ...
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0answers
20 views

How to seamlessly combine baked and unbaked textures?

I'm working on an animated scene in Cycles in which all objects are static except for a moving camera and an object (the satellite thing in the scene below) that rotates in front of it. (I'm quite new ...
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20 views

How do i get rid of these blocky smoke artifacts?

I don't know where to go from here. the resolution is already pretty high
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18 views

Blender Render to Cycles Render

I have a full made object in Blender 2.79b, but I put all textures in Blender Render, I need it in Cycles Render. I have tried the Python code that I found online, but it didn't work. I didn't put ...
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32 views

Stairs on normal map

I try to bake a normal map usin cycles render but have a strange artifacts. It's look like a stairs on output image. How can i fix it ?
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Unwanted Folds in Mesh when using Cycles

I'm currently modeling an X-wing for an animation, but when I try to use Cycles for rendering it creates these folds. What am I supposed to do to fix it?
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1answer
164 views

eGPU Vega 56 (Blackmagic) Mac + cycles problem

Hello I just got the AMD Radeon RX Vega 56 (blackmagic eGPU Pro) yesterday plugged it in to my brand new Mac mini (Mojave), it shows up in the menubar and as an alternative as a render engine,. My ...
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1answer
74 views

Blender 2.8 is rendering in eevee when cycles is selected

I have a rigid body simulation that I rendered in eevee and I made an MP4 from it. I want to render the same thing in cycles but every time I try to render it renders in eevee even though cycles is ...
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28 views

Light Behind Texture (Transmission)

I have a model that uses a transmission texture. What the texture is suppose to do is when the lighting is behind the it, it will give the other side a somewhat glow effect as if the light traveled ...
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1answer
30 views

Color will be black when cycle redering

material color is not not reflected when cycle redering I change material color, but color is black when cycle redering. when eevee, nothing problem.
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1answer
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How can I see my nvidia quadro 6000 in 2.80, 2.81 CUDA?

I bought my computer two years ago. In 2.79 or earlier I can see my quadro 6000 listed in the CUDA settings but now, starting with 2.80 I cannot see it. Is there any way to fix this problem? I am ...
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Fluid Simulation

for the past 4 days i have been trying to insert key-frame for water splash on my inflow material, starting at 1 and stopping at 30 but after baking it doesn't stop at the exact point i want it to ...