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Unanswered Questions

4,358 questions with no upvoted or accepted answers
3 votes
0 answers
438 views

How to detect if Blender is currently rendering

I would like to hide certain parts of the UI automatically as soon as the user hits the Render Animation button. I'm looking for something similar to ...
3 votes
0 answers
306 views

How can I render a ball with equirectangular camera?

Firstly, I'm a first time user for Blender. I want a equirectangular image so that I can create a texture to use on a sphere object on my Unity project. I'm searching and trying for hours. Here what I ...
3 votes
0 answers
217 views

Aperture Science portals using OSL

I am wanting to create Aperture Science style portals, And I’m aware of various compositing techniques to do this, but to make it more flexible I am thinking about using Open Shading Language. I do ...
3 votes
1 answer
315 views

Greasepencil strokes disappear behind geometry when rendering

I am wokring on a project using Greasepencil to add detail to 3D geometry. Everything looks fine in the viewport, but as soon as I render, some of the strokes that are close to 3D objects start to ...
3 votes
0 answers
127 views

How to render materials in Thumbnails preview?

In 2.83, files saved with thumbnails preview is surely a wonderful feature for all of us. As the image above, the material is obvious and identical with the files which I saved without any camera. . ...
3 votes
0 answers
94 views

Alpha channel not responding to blur?

Here is a still of a shallow focused camera of a few flowers. As you can see the pink flower alpha blend is not responding to the blur... How do I ensure it is blurring like the rest of them?
3 votes
0 answers
176 views

File Output node question

I want to describe an output file path in the File Output node were Blender will know a last variable in the file path is the name of the main .blend project file. This will save updating the File ...
3 votes
0 answers
73 views

How to access new attribute types in render

It appears we can create arbitrary new attributes in blender 2.9: https://docs.blender.org/api/current/bpy.types.Attribute.html This is a great new feature, but I can't figure out how to access these ...
3 votes
0 answers
403 views

What's the difference between using eevee and cycles for video editing and rendering?

I understand that they are two completely different rendering engines that have their own ways of rendering the 3D world (See already answered question "How does Eevee work"), but... Is ...
3 votes
0 answers
149 views

Imperfections in Eevee animation render

I am working on making animations for molecular orbitals using Blender for Linux 2.83.0 (I render on a farm). I import two OpenVDB files, apply some volume nodes on them to give them the correct ...
3 votes
0 answers
3k views

How to create this awesome transformation animations from manim python math animation library in blender?

It is the output of following python script ...
3 votes
0 answers
2k views

Unsure about use of matrix_world

Some Context I have a computer vision task where I have to generate some synthetic data from rendered images of a 3D model(liver). So to do that, I have first to generate a bounding box around that ...
3 votes
0 answers
1k views

Viewport Render results from Python

I have a python script that receives data over a socket and uses that data to update a scene. The resulting render of that scene then needs to be sent to an output socket. This needs to occur in ...
3 votes
0 answers
424 views

Cycles and EEVEE strange polygon problems

to the point: Why are polygons visible when rendering on cycles (Attention to the wheel), but not on eevee? hdri is same on both renders. The wheel has a smooth shade. In solid mode, everything is ...
3 votes
0 answers
629 views

Black squares showing up in render

I’m following a tutorial right now and I have a problem with my final renders. I’m using open cl with my AMD RX 5700 XT and AMD RYZEN 7 3700X since it faster, but the problem that I found out that is ...

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