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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Issue with hair particle disparity between Viewport and Render
I'm new to the hair particle system in Blender and I'm currently just messing around with a practice render.
I have my hair how I want it in the viewport but when I render in Cycles the hair is all ...
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Tree branches showing shadows off each other, ruining their transparency [duplicate]
I have a dead tree asset that has branches which are a jumble of planes that have transparency. I want the shadow of the tree but I don't want the branches shadows to expose the transparency(and show ...
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Final render is empty when a specific object is shown (Cycles)
I'm using IvyGen with an array modifier. The final render shows no objects when the collection with all the Ivys is enabled in the final render, but is completely fine when enabled in viewport or ...
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Is it possible to adjust pixels per inch of a image imported as plane.?
I am trying to simulate a display screen in blender. For that I imported the image that I want to display as a plane in blender. But the dimension of all the images imported as plane are fixed as ...
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How to disable shadows in Cycles?
I'm trying to disable shadows in Cycles for the purpose of using decals, since shadows break the illusion and make it an evident sticker. I've tried setting shadow mode to "none" in material ...
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Purple lighting and reflections Blender 3.6
I'm creating a scene in blender using cycles, I recently upgraded from 3.4 to 3.6 for the sim nodes but the scene is just purple.
The floor is reflective and isn't using a texture and all nodes are ...
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Black area after rendering using Cycles
Please help me get rid of the black area on top, I just want a blank white background but the black area kept showing up after rendering using Cycles
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New objects are grey, ignore material
I've been working on a project and seemingly out of nowhere, any new object I create ignores any materials, and is always grey.
As you can see in the picture attached, the object is completely grey. ...
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My GPU doesn't support any of the 4 options in GPU settings [duplicate]
I am so tired of only using the CPU for my renders because It's a bit slow and also makes me worry pretty much in the process about my CPU surviving it. I checked how I can force Blender to use my GPU....
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Data Transfer causes sharp edges in render
I'm using a data transfer modifier on an object, and its causing these jagged shadows on the mesh in the render view. This isn't happening in the viewport. I'm using blender 3.4, and rendering in ...
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Why is my Blender render blank?
I've tried everything I understood from this question, Render result is completely blank, but pressing F12 still gives me a blank render window.
File is here:
Update: I just noticed there is what ...
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Why does the viewpoint change when switching between Eevee and Cycles?
I was doing the Donut tutorial and when switching between Eevee and Cycles, the viewpoint completely changes (see below) -- the only change I have made between the two images attached is the selection ...
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shade auto-smooth ceates holes in mesh
when I shade my object auto smooth I get holes along the edges, shade smooth does not create this problem but an edge-split with auto smooth does. The normals are facing the correct way and there is ...
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Why doesn't my liquid material show through my transparent plastic material in cycles?
I am trying to make a pipette that has a plastic transparent tip with a red transparent liquid inside. However, when I render in cycles, the material inside the tip does not show, although I can see ...
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Pre-displacement normals
The "Geometry" shader node provides normal information for the geometry being shaded. This can be useful, for example, to mix a snow shader with a rock shader depending on how "flat&...
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error in render but not in material preview
I'm making a tablecloth but, when I render it, the texture looks terrible...
I really don't know why, someone can help me?
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Where is the sampling integrator in version 3.6?
Where is the sampling integrator in version 3.6? I can find it in older versions but it seems to have disappeared in 3.6. Thanks.
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When I bake my model, why does almost all the texture come out black?
I was preparing everything to bake the video and I mean the color of the mesh and when I did the whole texture came out black but the part of the head did not. I was checking everything and everything ...
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Render error with Cycles engine
I am doing a render with Cycles in Blender 3.6, and some frames look like a glitch with a big square of blue and black color. If someone can help me I would be very grateful. I share two pictures, one ...
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Hdri seems washed out compared to on hdri haven
Ive always had an issue with hdris not being 100% the same as when I download them but have always found cheats around it by just adding color nodes for the hdri to adjust the gamma exposure etc, but ...
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Strange results from the denoiser
I am working with a render, which shouldn't be that hard on the denoiser, nevertheless, well, I think this image says enough:
This render was after a hundred samples, and the noisy render it is based ...
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Low poly render shows grey polygons
I'm new to 3D, when I try to render my first model it shows some grey polygons throughout the body of the character. Face Orientation is all correct. I'm using Cycles... Eevee makes the render a ...
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Soft Shadow while preserving IES light pattern
i am making a interior scene where i have downlight right above a window frame and i want the shadow casted below to be soft but i also want to preserve the IES profile detail since increasing the ...
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when I render animation some frame looks damaged in cycle
first, my English is bad. sorry,
when I render animation and play the video
it seems to be goes well but in some frame(randomly change every render)
chracter looks like cracked(Bunny in the middle) ...
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The right engine to render simple objects with little texture fastest way possible
I have a (very large) number of simple scenes, containing a simple object (lego brick) with the camera positioned somewhere near it, all of which I'm trying to render using a python script.
Since the ...
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Flickering light reflection issue
As you can see here, I've had an issue with my render. The mountains in the background seem to reflect the light sources in my scene strangely, which leads to this weird flickering.
specs:
AMD Ryzen 5 ...
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Simulation of lenslet array
I am trying to simulate lenslet(microlens array). I found a add-on Camera Generator where they are simulating microlens array on top of the camera’s sensor. But I want to simulate lenslet array as an ...
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Why are my render and preview images different? The preview is better
The low pixel version is the preview screen, which is clear but has lighter colors. The high-quality version is the rendered image, and both are using the Cycles renderer. The preview have more ...
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Does enabling GPU work for Integrated Graphics card?
Is it that if we enable GPU in Render Properties then it works only in case of dedicated graphics card? Can it work in case of integrated graphics card?
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How Can I Optimize My Scene Further?
So, my computer doesn't exactly perform like it has an RTX 4090 GPU in it. Which is why I constantly have to do everything in my power to OPTIMIZE a scene and remove those unnecessary complexities ...
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HIP RT checkbox grayed out and unclickable in Blender 3.6 (EndeavourOS)
I'm using an AMD Radeon RX 6600 XT with Blender, and the HIP RT (Experimental) checkbox in the preferences is grayed out and unclickable, making it impossible to enable HIP RT. Using Blender 3.6 on ...
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Getting no caustics
Above is a quick test render to see if caustics were working in the scene, and to my disappointment I'm getting nothing. I checked several tutorial videos to make sure I was doing everything right: ...
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Noisy rendering problem, trying to get back to previous render results
I don't know what I've done wrong but my renderes are now coming very noisy and blotchy no matter how high I raise the sample count.
I had earlier renders that looked sharp and clean like the 1st ...
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mix shader fac is adding buff to white color on object
I created single material to control all object colors based on random. If you can see the product name thy lathe shampoo in black and in white is of different thickness. if someone can help with ...
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Glitched view in viewport when using Cycles [closed]
For some obscure reasons, Cycles has been making my viewport glitch for two days.
I run Blender on a Macbook Pro M2 14.9" 2023.
Here's a link to a screen capture: https://drive.google.com/file/d/...
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Is there any minimum size requirement for the pinhole in the pinhole camera?
I am trying to build a Pinhole Camera with pinhole size in micrometer range. In my setup I have placed two lights sources with maximum brightness. Still not enough light rays are passing through the ...
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Is it possible to get the number of light rays falling on a region?
Is there any way to know the number of light rays falling to a specific region from a source?
Is there any parameter available in Cycles to increase the number of light rays?
Is it possible to ...
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How to fix "Launch exceeded timeout in CUDA queue copy_from_device (integrator_intersect_shadow)" Cycles Error for Nvidia GPU's
i keep having blender cycles randomly crashing (stopping during rendering initialization), i'm using blender 3.6.2 with a RTX2070 and Windows11
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Blender takes a long time syncing objects in every frame
I linked my source scene model to my animation scene and use a cube to drive this instance model.
When entering the rendering phase, Blender will spend a lot of time synchronizing the model. I spent 1 ...
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My render isn't as detailed as the viewport
When I am clicking "render image", it is showing me an uncomplete image in the render tab, but the render is still going on.
Image in the render view before rendering. (camera scene)
Render ...
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Cycles pearl-like material
Is there a way in Cycles to make pearl-like material using material nodes, something like this LEGO brick surface (I am adding more cos it might be hard to see what it is actually)?
You see, it is ...
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Smoke domain glitches Blender
Why does this happen? This is from an old render - sometimes there’s no weird glitching, but on other projects, the moment I press render animation, I get weird frames where the smoke domain just ...
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Cycles Hates My Materials
So I have this lovely shield I put together as a first time project in Eevee.
It looks great, I'm excited, but I need to bake it apparently so I can have all those lovely colors on the FBX file or ...
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Rendering an animation as image sequence only renders the first image
I have set the settings to render my animation as an image sequence, Sequencer is activated in the post-processing area as seen in the picture below.
However, when I want to render it and go to render ...
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Black boxes appearing on model once i click on the cycles render [duplicate]
Please help fix this, it appears once i do cycles render and not eevee. Im not sure what the difference is.
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How to get streched water reflections without changing rougness
I have this render and I'm just trying to get the water reflections right. Basically what I want to achieve is to get the moon reflection to stretch across a bigger part of the lake like on this image ...
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Rigid Body simulation glitching/jittering
I'm getting strange jumpy/jittery playback on my rigid body fall simulation when previewing in 'Rendered view'. This also occurs when exporting as an image sequence too. It works fine in 'Material ...
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Strange Cycles Area Light artifact when using Motion Blur in animation
I've discovered a strange Cycles artifact when using Area Lights in combination with Motion Blur in an animation.
Per the attached screenshot, two astronauts are at the windows of a moving spacecraft. ...
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Mapping coordinates not working in Cycles?
everyone! First post.
I have this very simple material node setup which both displays in Viewport Shading mode and renders in Eevee perfectly fine with no problem. In Cycles, however, all I get is a ...
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Does blender has a use_pass_roughness or use_pass_specular passes for generating the roughness and specular maps
Similar to diffuse direct, diffuse indirect and glossy etc. Does blender also provide ways to generate roughness and specular or metallic maps? If not how can we render these pbr based value images
