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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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Shadow catcher layer in OpenEXR render is solid with no alpha

I'm using Blender 2.79 rendering with Cycles. I've set up a Shadow Catcher plane which appears to be rendering correctly when I do a PNG RGBalpha render. When I try to make an OpenEXR render and ...
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1answer
438 views

Blender Cycles: Is there a way to make a ball roll using rigid body physics?

I know you can do this in Blender Game, but is there anyway to have a ball rotate as if it were rolling in Blender Cycles?
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Save results when rendering

can I save temporal result when using cycles render? For example I want to render an image with multiple samples, is there a way to save the result of some specify samples(64, 128 et. al) samples ...
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1answer
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Render solidify backfaces in cycles?

so i was following the first steps in this tutorial: https://www.youtube.com/watch?v=D4T1cDJryOI Basically you use a solidify modifier to create an outline around your mesh, however it is only ...
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3answers
55 views

Distorted texture

Not sure what the reason of this distorted texture is. UVs are projected using Smart UV Project, and Subsurf modifier is used then. Tried subdividing the plane, but nothing changed. How can I ...
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1answer
42 views

How do i make round bottle look more cubic with really soft edges?

I am a complete beginer. I was trying to model this 5 liter bottle and then realized it supposed be more squire - like in the included image. How do i do it? No way i can figure it out myself... I ...
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3answers
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Glossy paper on cycles

I would like create realistic glossy paper, as in magazine. Couldn't you give me approximately bunch of node or suggest any ideas? my version to need
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Pixelated render in cycle when camera clipping higher

i try build up our solar system with accurate proportions. And for a better view of the scene i increased the clipping range of the viewport to 100000 But now when i texturing my saturn, some ...
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1answer
21 views

Multiple instances of same image node?

I'm working on a material for redistribution, and my node setup uses a single black and white mask with different vector inputs to fake a normal map for a simple embossing/debossing effect. The ...
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How can I make transparent background of volume scatter shader to render just volumetric light?

Hello. I have a cube with volume scatter shader applied on it and a spot light, but I only need to render volumetric light and remove black background. I suppose I need to get resulting alpha somehow ...
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Multi-Layer EXR and Cycles Nodes

I've used a multi-layer EXR to stash a Mist Pass, along with others. To test it, I've used it in a Displacement modifier on a subdivided plane. The Texture tab allows me to select the relevant layer, ...
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1answer
73 views

How to create an underwater scene in cycles?

I have been trying to create an underwater scene in blender, but havent been getting any good results. How to setup the ocean bed and the volumetrics underneath so it looks believable. If anyone can ...
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Where does the “emissive” property get set? [duplicate]

I'm exporting a file to FBX. For some dumb reason a 3-float value "emissive" gets added to material properties. I've looked everywhere, set emit to 0, and scoured over the material settings but can't ...
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How to do VR in Blender 2.8

So I tried following this tutorial in Blender 2.79 and it worked perfectly. I tried again in 2.8 and it doesn't work like at all. It actually makes the program quit. I need to figure out how to make a ...
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1answer
19 views

Applying an image with an alpha mask to a plane [duplicate]

I want to place a png file floating over my 3D model's face to create eyes. I've placed the image on a plane that I've UV unwrapped. The problem I have is that when I render the image, you can see ...
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1answer
16 views

Magenta fog makes objects in foreground green tinted?

Ok, there some color dichotomy thing happening probably but Im having an issue where applying a magenta fog in cycles: Creates the desired fog, but makes dark objects in foreground greenish.Dark ...
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How can i conform a mesh to a plane?

I have a sheet of atoms that id like to conform to a wavy plane. ive tried shrink wrap but doesnt help. iam trying to achieve this affect (https://500px.com/photo/136629141/crystallized-carbon-...
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When I append in the new Black Plasma Studios Rig, Blender crashes

When I append The Black Plasma Studios Rig for a Minecraft animation, the scene crashes. I'm on windows 10 and my blender version is 2.78a CLICK ON THE LINK BELOW TO WATCH A VIDEO OF ME APPENDING ...
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1answer
40 views

How to make a procedural planet material with varied roughness of land and water in Cycles with Blender 2.8?

I am trying to make a Earth-like planet in Blender 2.8. I will try to explain my question with details if possible. Here is the shader I am using in text form: [Noise Texture]|Fac|>|Fac|[Color Ramp]>|...
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New PC woes cannot render at all

I bought this system:- AMD Threadripper 2990wx (32 cores) Gigabyte X399 Aorus Extreme 64Gb Corsair Quad Ram I have 2 Titan X cards too. I tried running Blender 2.79 & 2.8 but as soon as I hit ...
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Getting/Accessing/Assign the actual (not default) value of a node socket that is linked to another socket

How can I get or access the actual (not default) value of a node socket in blender 2.80 or 2.79? This post is similar to this which provides an image to explain the problem as well. J. Bakker ...
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2answers
101 views

3d Volume from 2d Texture

is it somehow possible to generate volumetric information from a 2D Image Texture? I experimented already quite a bit, but with no succes. I thought about using the RGB, or better said, the BW-...
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2answers
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How to properly smooth edge

What is a proper way to make edge (marked with marker) seamless in a situation below. I can't bevel it, also bevel modifier does nothing. Tried cutting it and bridging it back together. Removed ...
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What is best way to organize a scene with different sets of materials?

I am currently creating an interior scene and want to show different examples of wall/ floor materials to my customer. So I was thinking about how to organize my scene when I want to have different ...
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1answer
30 views

Material that only renders direct or bounce light?

Is it possible to make a material that totally ignores indirect light, or direct light? In other words, could you render a material that looks only like the Direct Pass or the Indirect pass?
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1answer
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How do I make an Icon look like glowing water in cycles?

so i'm trying to get an icon of mine too look like it is water that is glowing it doesn't have to be transparent or anything. I just want the object to have the illusion of glowing water. i have tried ...
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How to get gradient material to work with rig?

I've got a lil character i'm making that uses some gradient materials, but I don't know how to make the gradient move with the deformations. as you can see, the gradient doesn't move with the ...
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1answer
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cycle renderer with multiple textures on single mesh

I have a mesh body, an avatar, with a skin texture and a shirt texture on top of the shirt. Using blender renderer it works perfectly, Using cycles it does not. the skin texture is fed into one ...
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1answer
37 views

Bright reflections in Cycles?

(This question is with regard to v2.80) I'd like to make a material that reflects a larger amount of light than it would otherwise. I am using a Principled BSDF. In EEVEE I can simply crank the ...
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0answers
20 views

alpha channel in image when compositing in cycles

I have two images that i'd like to overlay, the picture that is above is a point density picture that i saved in png so that it would support alpha channel,when saving it i could see that in color ...
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1answer
35 views

View port (Shift+Z) use CPU instead GPU?

My Cycles Rendering (F12) using CUDA (GTX1060 6Gb) and it works fine and fast - no problem! But when I use View port (Shift+Z) - it use CPU (i7-7700K) only on 100 % ??? GPU load only at 5-12 % at ...
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Blender Cycles Crash, zotac2080TI [on hold]

i installed yesterday my brand new rtx2080ti with the latest nvidia driver 417.71. I tested Blender 2.79.6 latest build and Blender 2.8 latest build. When switch to cycles Preview Rendering or ...
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1answer
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black cracks/ fragments across multiple objects in final render

In my render I have been working on there are multiple objects which have black "cracks" traveling through them, despite not being parented or part of the same mesh. The normals are not inverted, the ...
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1answer
37 views

Exporting .blend adds an “emissive” value even without emission shader

When I export my object from Blender, it exports with an "emissive" property under materials with a value of [0.8,0.8,0.8]. I cannot for the life of me find how to set this value to 0. When I'm ...
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0answers
28 views

How to set similiar lighting

I wanted to make this nice scene in Blender And i achieved this Present lighting is HDR, the first one is blured version, second and third are normal pictures I also have 3 sun lamps, one is shining ...
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1answer
15 views

Black Seams When Rendering Normal Maps in Cycles

as in the images appears: the first picture is the bake normal and rendered, and as you can see it appears some "seams" around it and with a low height, and in the high poly model you can see the ...
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1answer
35 views

Shader to RGB in Cycles

Eevee has introduced a new node, the Shader-to-RGB node. I find this quite useful for using the outputs of shaders in, say, the factor of a mix node or other such things. Unfortunately Cycles does not ...
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2answers
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Having trouble adding paths

I'm creating my first blender project and I'm trying to have the animated character follow a path. When I add the path in, there are no control points to make the path longer or curved. I've googled ...
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1answer
33 views

Render becomes blurry

So I downloaded a blend from blendswap and here's the issue. When I load it, it's fine. When I render it, it's initially fine. Then there's something like another layer or something added on top of ...
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1answer
53 views

How do I make a herringbone pattern? [duplicate]

I'm trying to create a herringbone pattern that will wrap around a cylinder. I'm assuming that there's a way to do this using the brick texture node but I can't work out how to alternate and/or ...
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1answer
35 views

Point density and transparent background

Is there a way to get point density and a transparency film to work. Point density works when in normal film but when I turn transparency on, it is nowhere to be seen.
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18 views

P-Map and Velocity map as outputs in 2.8

I render an animation with EEVEE and every frame takes less than 10 seconds to be rendered (in 4K). I also output normals, AO, and other images in the same render (using a File Output node). ...
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32 views

Blender 2.8 Smoke Sim Bug

Recently, I started using 2.8 for smoke simulation. Everything looks normal until I render it out. Though I can preview the smoke in the viewport(render mode), it does not appear in the final render(...
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2answers
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How to unwrap a cube into a LINEAR Cubemap (all sides next to each other)?

Ok, I have a cube that I need to unwrap into a linear cube map like the one in bottom left: All tutorials reference the T shape. I tried unwrap by cube projection, and then tried arranging the UVs by ...
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1answer
29 views

Editing lighting on the sides of a cylinder

I'm creating a simple jar and lid in Cycles, but the sides of lid have this odd gradient effect I can't seem to get rid of. The highlights are only visible along the upper half of the sides. I'm not ...
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21 views

Correctly applying various texture maps to a model (in Blender Cycles)

my question is pretty similar to the one asked by justintime57 at this post here, Identifying and correctly mapping various texture maps onto a model (Blender Cycles Render) , but I am having trouble ...
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1answer
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Emission object renders black

Inside the barrel of the gun is an object emitting a gradient (purple - teal) light. You can see the light is being emitted, but the object itself is black. How do I get the object to render with ...
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Blender Objects are rendered streched on the Z-Axis

When I'm rendering my scene, my sun in the background is being stretched on the Z-Axis when being rendered. But when I'm in 3D view and I'm turning the viewport shading to rendered, I'm not having ...
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0answers
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Problem getting background transparent with effect in the compositor

I'm having trouble setting the background to transparent with the Lens Distortion filter applied to the render. When this effect isn't on it is transparent with no problems. I've tried plugging in ...
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0answers
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UV Unwrap help can somebeody help!

Can somebody help with this ? im following tutorials and cant seem to correct the issue, im using the UV from view setting..is it showing up like this because the UV image is correctly sized over my ...