Unanswered Questions
5,371 questions with no upvoted or accepted answers
8
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303
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how to write a custom projection type?
Is it possible to create a lens shader with EEVEE/Cycles ?
I'd like to have the control over the camera position and the ray direction per sample. This allows to simulate various conventional lens ...
8
votes
0
answers
367
views
Blender on Windows is skipping python script. (brenda on windows)
We've been using Brenda for quite some time now for rendering architectural stills. Since our editing stations are doing nothing at night, I started making a desktop app that allows you to pick jobs ...
8
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0
answers
2k
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Antialiasing textures in cycles (Blender 2.77 and higher)
I would like to get an answer to a frustrating question.
https://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.77/Cycles
In this link is "Anti-Aliasing is now enabled for baking. (c359343)"
...
6
votes
0
answers
21k
views
cycles stuck at loading render kernels
ever sense I have been using the new LTS version or a newer version of blender its not loading the render kernels or sometimes it will but its just painfully slow even with the default cube scene has ...
6
votes
1
answer
4k
views
Separate alpha from color in Shader Editor
In the Shader Editor, I can create an RGB node and in there, I can set an alpha value as displayed in this screenshot:
However, no color separation node in blender supports extracting that value and ...
5
votes
0
answers
154
views
Flat shading when using displacement or bump
When using a bump or displacement node and bump only or displacement and bump in the material settings, the shade smooth option seems to not be working. Instead the geometry starts to show, auto ...
5
votes
0
answers
322
views
Custom shader script in compositor (de-linearize depth buffer)
Some months ago I wrote a minimal opengl 2.5d game engine with pre-rendered backgrounds (such old Resident evil, Alone in the dark and Final fantasy games). Depth is managed through a grayscale image ...
5
votes
1
answer
909
views
get this gradient style in blender
I'm trying to get this gradient style:
My best result are with eevee with volumetric and gradient on a metaball, but i cannot figure out how to get the gradient fill the totally of the metaballs like ...
5
votes
0
answers
578
views
Optical flow generated from cycles render is not proper
Scene generated from Blender, and flow is given. As it can be seen the flow generated is not proper, it is in a zig-zag format.
I see the scene at and above horizon have more zig-zag. Can someone ...
5
votes
0
answers
698
views
Control image texture source from outside node group
I'm working on turning a cavity node setup I found online into a node group I can append to my blender files.
The setup uses several mapping nodes (that I already converted to math nodes so the ...
5
votes
0
answers
152
views
is there any way to get to velocity of a fluid and use it in the cycle material editor
I'm trying to use flip fluids to make lava is there any way to use the motion blur vectors, or get the velocity to mix a material. or in the script editor is there anyway to drive that.
5
votes
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answers
687
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Particle Instance Modifier : colour each instance based on the emitter texture (like Hair strands materials do)
In cycles, with particle hair strands, I can get the colour from the texture of the emitter object for colouring the entire strand.
When I use the "Particle Instance" modifier on a mesh (a simple ...
5
votes
0
answers
2k
views
nVidia skin shader with the Principled BSDF
I've been using a skin shader primarily based on the Brecht skin shader, which is itself based on the Sum-of-Gaussians approach as seen in 14.4.7 from GPU Gems by nVidia. Its Cycles adaptation, which ...
5
votes
1
answer
625
views
Is possible to generate a preview material from python?
I would like to generate the preview of a list of materials. I could create a sphere and apply the material, render and save it in a loop, but what I would like is to use the internal functionality of ...
5
votes
1
answer
505
views
Force Cycles GPU rendering for a Render Farm
So basically I'm on vacation for 2 weeks with a laptop without a CUDA device. I do have access to a render farm with GPU rendering support.
Now the problem is that I can't setup blender to render in ...