Questions tagged [rendering]
The action of turning a scene into an end product such as an image or movie. If your question is specific to one render engine, please use its respective tag (cycles, eevee, blender-internal, etc).
3,543
questions with no upvoted or accepted answers
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Per-Vertex lighting in GLSL?
How can I achieve per-vertex lighting (like in single/multi-texture shading) in GLSL with all of the other GLSL features (like buffer shadows, texture layers, etc.)? Bonus points if it can be done in ...
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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 ...
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8
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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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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)"
...
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7
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1
answer
539
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Rendering large image sizes in Eevee (Over 64k pixels)
I am working on creating a wrap for several walls spanning 25 to 60 feet long. People are going to be looking at these fairly close so I don’t want to go below 200 dpi for my final print quality. That ...
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7
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2
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501
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Why does this add shader create so much noise?
This question is based on the shader in this answer. When I render the scene using plain glass for the material ball, it takes about 500 samples to converge. Here is the node setup and the result at ...
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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 ...
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Is it possible to render Annotations made in View Space?
I have some animated annotations made in the 3D Viewport and I cannot render them with viewport render. It looks like the problem is that they were made in View Space.
Is there any way to have them ...
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Convert Animation Nodes to Object and Keyframes
I have This Node Tree in Animation Nodes:
As you can see it creates objects and edit their location.
but When I render, even If I normally bake all the Dynamics, the cache disappears and then it ...
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6
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297
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File output node and output panel both exporting during animation
I have an animation ready to render but there is a small annoying issue. I currently have a basic file output node to export the raw render and a mist pass and they are both set to export to the ...
6
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Make object not receive cast shadows
I know you can make an object not cast shadows on others by disabling Shadow in Ray Visibility. But how can you make an object not receive shadows cast by other objects?
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2.80 - use Eevee and Cycles together for motion blur issue
I have one question about one problem in my experiment with motion blur in Eevee. I know that in this time is not supported and maybe will be supported in future official release as another primary ...
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5
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476
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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
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1
answer
221
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Smoke Simulation Vibrating
Last week I started making a volcano that was starting to erupt. I've got some sparks and I made a nice smoke simulation. I clicked Bake All Dynamics and then rendered. The result was a nice volcano ...
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5
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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 ...
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5
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2
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Can I render ambisonic b-Format audio?
Im looking for a way to render spatialized sound to 1st order ambisonic b-format. I assumed the 4ch option in scene audio settings was the key. But that just seems to render a quad speaker setup?
The ...
5
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1
answer
493
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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 ...
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4
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1
answer
250
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How to write EXIF data in rendered images?
I'm trying to render an image in cycles. version 2.83.5. trying to write metadata or Exif data into the image. In the output channel, I ticked every box on metadata. But I didn't find the EXIF data ...
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4
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How do I render Big Buck Bunny in the year 2020?
I downloaded the .zip of project files for Big Buck Bunny (from http://distribution.bbb3d.renderfarming.net/blender/ ). There are 3 directories: 2d, 3d, post. I loaded up 2d/00_00.blend into blender ...
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970
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'image as plane' is always low quality than the original image
How can I render 'image as plane' with the same quality as original image?
The quality of image is always blurred and has a faint color.
This is how I did it.
(*Increased the resolution of the ...
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4
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Cloth simulation drive rig rendering issues
Goal: Create rig with springy bones for i.e. auto belly fat simulation.
Issue: When rendering I'm unable to see spring effect on bones that are driven by objects with is driven by cloth simulation. ...
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4
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Point cloud animation
I have around 5500 .ply files, which amount to about 7 GB of point cloud data; each file is one frame of animation.
Is there any feasible way of importing this into blender for processing? I am ...
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4
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1
answer
666
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Fluid simulation only shows the domain
I was making a fluid simulation, but when I try to bake it, it only bakes the domain. The fluid doesn't appear from the inflow. Do you know why? Thanks.
This is what appears when i render
4
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What exactly happens when Blender 'Synchronizes objects' at render time?
In effort to reduce render times between each frame (Eevee renderer), I've retopo-ed and made sure there are least amount of polygons possible, but I've reached the point where I can't sacrifice any ...
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4
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Hide an object in a linked group
I have a character made of several objects that I am linking into a scene. The character's objects are part of a group, and I'm linking in the group. However, for certain scenes I want to hide some of ...
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4
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213
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Strange light from glass
I'm doing a scene with a room with a table. On the table I have some wine glasses, but I get this strange light from some of them. The glass to the left looks OK, but the other are not OK. It seems ...
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Can you link render settings across all scenes so they can all be changed at once?
I have multiple scenes to render and in my "master" scene I have set up the render nodes to output the render of all scenes. This way I only have to hit the Render Animation button once and all of the ...
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882
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How can I render a proper normal pass for smoke in cycles
I would like to render a normal pass for smoke in Cycles like this one:
I'm aware of this method mentioned in Blenderartists but the result is far from the result needed to relight in post (via ...
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4
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answers
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Stop animation render after current frame
For long running animation renders, is there a way to stop the render once the current frame is finished? I leave my machine rendering over night, and when I return the next day, I want to stop the ...
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4
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Synchronizing object in Cycles
I have a model of a butterfly that uses a displacement map for most of the detail on the mesh at render time. To get an accurate render, I have it subdividing 4 times for the render before applying ...
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4
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Is netrender still only useful for multiple frames?
I saw this post from 2013 and this post stating that the NetRender plugin does not yet have the ability to render single frames properly. Is this still true, or is the functionality just hidden away ...
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975
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Setup network render for cycles render on LAN
I am trying to setup network render with cycles as the rendering engine. My use involves rendering hundreds of images and I have already written logic for it in python which is working fine on single ...
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4
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1
answer
153
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Why is my smoke bright on the edges?
I was doing some motion tracking and I implemented some smoke. Once I rendered the scene, there is this bright perimeter framing my smoke. I'm not sure if this is a bug or not but i would like to know ...
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3
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121
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Difference in color between image render and video render
Can anyone tell me why there is a subtle colour difference between my image render and video render?
This is an EXR image sequence that I have pre-rendered and am importing into the sequencer in a ...
3
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71
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Blender Hair System uses different seed on different computers
I am trying to render a pretty complex hair setup on our local network of workstations with cycles X. I use 3.0.0. The machines all render to our production server with placeholders. Works fine ...
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3
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How can I render on SSH Linux machine?
I downloaded linux version from this official page and extracted files onto as folder. Created a very basic default cube file and uploaded it to via WinSCP as well. When I try to execute this line.
<...
3
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1
answer
51
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Compositing transparency challenge. Particle not part of alpha?
Hey Wicked Smaht people!
I have been working on a project that will be super imposed, in photoshop, over another image.
So, I have been trying to composite it so that the background is transparent.
...
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3
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220
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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 ...
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3
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176
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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
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answers
120
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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 ...
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3
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100
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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. .
...
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3
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69
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
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2
answers
969
views
Mist pass looks noisy
I have a following problem: when I render my final image with mist pass, the mist pass itself becomes noisy, see in these images:
Mist pass combined in image:
Mist Pass itself:
Could the problem be ...
3
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0
answers
127
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 ...
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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 ...
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3
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1
answer
417
views
Weird blown out colours in renders eevee
I have a weird problem with blown out colors when I render with atmosphere and bloom.
It's weird because I'm rendering a video with 300 frames, and the glitch shows up at about 30 random frames.
I can ...
3
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0
answers
145
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 ...
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Custom Renderer as an Add-on
I have been writing a custom raytracing renderer in C++ and I would like to natively integrate it with Blender 2.8 as a custom renderer. I know that this is possible, as I have seen many projects (for ...
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3
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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 ...
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922
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 ...
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