Questions tagged [cache]

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Memory cache limit is not working

I have blender 3.3.1 on windows 11 and I can not manage the memory limits. I try "memory cache limit" and "disk cache" but it seems to not work as it goes to 100% of my RAM (64GO) ...
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Possible to edit point cache data for cloth simulation using python?

Is it possible to manually edit the baked positions of points in a cloth simulation point cache using python? I found this: For most simulations the point cache can be stored either in memory (...
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Is it possible to merge two vdb caches into one?

I want to produce a fire animation in Blender that cycles, the first frame being the same as the last. I've tried following a youtube tutorial Looping Smoke-sims in Blender | Quick Tip on Simulations ...
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Is it possible to repeatedly loop through cache data?

The animation I’m working on is illuminated by about 20 torches. Currently 1000 frames. I’d like to use a fire animation, via fluid physics, for the torches, in a efficient way, keeping cache sizes to ...
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cache gets lost when duplicating a scene

I have a scene with a Cloth Simulation and I want to duplicate the scene (new scene/full copy). The problem is that the cache is not duplicated. My idea was to store the cache externally (disk cache) ...
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Bake not saving

I'm still trying to light my monkey head on fire. I figured out how to bake the data but when I click off of the fluid tab in simulations it disappears. How do I get my settings to save? If someone ...
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1 answer
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Fluid bake crash and cache missing

I have 2 problems when baking fluid sim. First I have the issue that when I bake fluid sim Blender just suddenly closes. No error msg or anything. It happens when the resolution comes up at 256 or ...
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1 answer
88 views

How do I delete my rigid body cache in Blender 3.2.2?

I've been trying to make a realtime steerable car with drivers in Blender and it's starting to work but the only problem now is that Blender makes cache when I play the timeline and then when I reset ...
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Red cache line in VSE gone again, very useful in preview uses

Here's a link to exactly what I am talking about Red Line at bottom of video sequencer gone in new update -- I don't know why they keep [re]moving it It is very useful for previewing edits that would ...
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2 votes
1 answer
110 views

Can I reuse / re-import fluid cache files into Blender?

While making multiple fluid simulations I had saved multiple cache folders with the "data" and "config" folders. Is there a way that I can reuse the cached data to import back the ...
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How to load cloth baked cache?

I am new to blender. Created a character, made cloth pants and shirt to the character, baked the simulation to the disk (a folder was created at the same folder with the project called ...
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Cache files on my computer taking to much space

I have a problem with my Blender files and maybe one of you know how to workaround. I am working with a blender on offline mode on my google drive (That means that the files are local). Most of the ...
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How get all cache_directory of baked files?

I need to get list of cache_directories for every object. Now i use that ...
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bake all cloth sims at once

Is there a way to bake all cloth sims in the scene at once, or do I need to select every cloth object seperately? This would save me some time.
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Mantaflow preview not working in OpenVDB

[blender 3.1] Mantaflow preview not working on OpenVDB but in uni cache. If I setting with [Replay]-[OpenVDB] and play simulation then it's only show first frame and stop. I tried a lot and finally I ...
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Making planes with image sequences run smoother

I'm working with both audio and video and I can't help but notice that when you add in a plane with an image sequence as a material the viewport fps' drop a lot. Now I do have several planes with ...
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Hair simulation append

is it possible to add some more cache data to the existing? Let say we baked frames 1 to 100, and then we want to continue baking from frame 500 to 600 and then 900 to 1000 and so on. Meanwhile I can ...
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Why can't I rename my Caches? I

I have a cloth physics system and a hair particle system on one object in my scene. I am trying to rename my caches for those, "Cloth" for the cloth one, and "Hair" for the hair ...
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Find, recover or recreate blender_<key> folder

I don’t know if there is a connection but after an upgrade of MacOS one of my Blender (3.0) project lost track of my blender_ folder. When I try to open the cache folder it opens the /Users folder ...
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Fluid Simulation Cache Still Slow After Bake Issue

I'm making a smoke simulation and it seems to be no difference in viewport performance of the simulation between "Cache | Type: Replay" versus when it is fully baked "Cache | Type: All&...
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Why are my hair particles being pulled to the origin?

After baking and adding a material to the mesh, the hair stretches and gets pulled to the origin point. If I delete the bake and remove the particle system from view by hitting the little monitor ...
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Two mesh sequence cache working together at the same time

I have imported in my project two different Alembic files with two mesh sequence cache that have to run at the same time. The problem is that when I run the animation the first one that I have ...
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Problem with cache files

I have some file design in blender but When I saved, it can be opened anymore. this is the problem file https://drive.google.com/drive/folders/1GGY8dSaiHxLLqK9F_naF9yirmikp6pCf?usp=sharing
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Working with fluid simulations / reset bake

When working with fluid simulations, are the only ways to reset the bake cache to either click the volume and change the resolution, or delete/change the cache file ? These are the only answers I can ...
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Cannot move imported Cached Smoke domain

I am trying to re-use a smoke cache but run into a problem moving it around. In a new .blend I create a smoke domain of the same proportions (and divisions) as the original smoke Point to the cache ...
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Can I export a hair simulation as alembic cache but already converted to geometry?

I am trying to deal with particle hair in blender lately and I was wondering how I could manage rendering out a hair simulation. I am not rendering on my local machine, I use external services like ...
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69 views

Is it possible to output two sample levels from the same render?

I'm working on a sizable animation which may end up having around 512 samples to ideally handle hair follicles; maybe more. This is going to take time to do. Incidentally, I'm also on a soft deadline ...
2 votes
1 answer
82 views

How to reduce the file size after executing a cloth simulation?

I have a cloth simulation and animated/baked it. My file size is now 65 MB. I understand that. Now i want to delete my bake and cache so i tried to tap on "delete all bakes" and i hoped, if ...
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1 vote
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Forces from Force-Field Settings inside of Particle System do not work past Frame 100 [closed]

I am having trouble with force-fields (in the particle system itself) in that the function entirely as expected until frame 100, where they stop all force entirely and the particles go Limp. I have a ...
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2k views

Mesh cache modifier bake to keyframes

I have such question. I made clothes & animated them in Marvelous designer, and then using Mesh cache modifier, opened this animation in Blender. And I would like to know, is it possible to turn ...
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No Cache Options Showing in Rigid Body Simulation

I have set the timeline end to 350 frames, but the simulation ends around frame 250. There should be cache settings somewhere in the Rigid Body Simulation settings, but I can't find them. I appreciate ...
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1 vote
1 answer
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Dynamic paint not rendering

I have been tearing my hair out over this for three days and I have tried all the options given in previous posts. Whatever I do; bake or no bake, evee or cycles, checking that everything is visible .....
2 votes
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Hair Particle Disk Cache gets cleared after reopening the file [closed]

When I bake my hair simulation I use the disk cache option to cache my simulation in a separate folder. Like described in the documentation here. When I start the bake, I can watch how the cache files ...
1 vote
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117 views

Why physics simulation works in viewport but not in final render?

I'm trying to render an animation 449 frames long. The animation part of the render is showing but the rigid body simulations are not visible. The simulation setting is set to 600 frames I tried ...
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1 vote
1 answer
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How can I use the blender python API to make a scatter plot animation of millions of objects?

I have produced some data, that I would like to visualize with some eye candy. The data is contained in a 3D numpy array a. ...
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1 vote
1 answer
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What is the way to get location of the animated object

I have an object animated using "Transform cache" constraint. It is moving around the scene, but it's world location and rotation always stays the same. I assume this happens due to some ...
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2 answers
169 views

Where did the fluid simulation point caches go in 2.93

I used to manage fluid simulation point caches by copying them to a remote server for cloud rendering, they used to be in ...
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Delete part of a bake

I have some cloth simulation on a character. It works well until some clipping happens at Frame 30. Is it possible to delete the bake after Frame 30, but keep Frame 1~29 untouched, therefore I can ...
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29 views

How to save VSE from crashing in render process?

I'm trying to render a video (duration - 10 minutes, + put music on top. In general, the render should be simple), but Blender cannot finish the render because it crash. I upgraded boosted 'Memory ...
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1 answer
511 views

Combining Cloth simulation cache?

Is it possible to somehow combine different cached cloth simulations? My problem is, I make jump cuts between scenes and this causes the cloth to go crazy between transitions, so instead of baking the ...
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1 vote
1 answer
331 views

Problem with Baking Dynamic Paint with Ocean modifier

I've got problem with baking Dynamic paint which I use to make wave from Brush object and foam trail from it. And I use Ocean modifier This is how it looks in viewport without baking, it should look ...
1 vote
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137 views

Physics Disk Cache in Different Blend File

I have saved cloth and particle simulations to disk, and I would like to save the project with a different name in order to make changes to the scene but retaining these extensive particle and cloth ...
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2 answers
145 views

Fluid geometry not flowing when baked inside of domain

My goal was to have the head turn into fluid and fall down onto the floor of the domain. I have done a little with fluid sims in the past. I'll try to describe everything I did, but I think ...
1 vote
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195 views

Fluid bake explodes and vanishes

I bake a fluid, but after a specific frame, the fluid explodes and disappears. It's completely normal at first, but after the same frame every time, the fluid loses volume and explodes into just a few ...
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Is it true that the Blender User should name particle cache files differently across Scenes to preserve the info?

Does using multiple scenes in a Blender file increase the chances for cache file conflict and mistaken deletion? Are there any tips to understand the interface of filenames for the cache with ...
3 votes
1 answer
107 views

Red Line at bottom of video sequencer gone in new update

Hey guys their used to be this red line at the bottom of the video sequencer that isnt there anymore in the most recent blender update, do you guys know how to get it back? it was super useful for ...
3 votes
2 answers
588 views

How to parent or constrain baked particles to an object so they follow the object's animation?

Here's what I am trying to achieve using Newtonian physics. Emit particles perfectly vertically from a plane. If I animate the plane, the particles in Newtonian physics will naturally drag behind ...
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1 vote
1 answer
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How to display Alembic "Override Frame" animation in the animation graph?

I have set some keyframes for "Override Frame" in the MeshSequenceCache modifier. Unfortunately the animation has a ease-in ease-out, so I want to take a look at the curve in the graph-...
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332 views

Speed up I/O when using cached simulations

I'm experimenting with fluid sims, so I've been baking and rendering the whole day. One thing I've noticed is that the I/O seems to be really slow. Like really slow. I'm only rendering at 30 samples ...
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2 votes
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Marvelous designer alembic export and textures

I have a problem with marvelous designer and alembic export. I just "baked" my cloth animation in Marvelous Designer 10 and exported it as an alembic (ogawa). When I import my alembic file ...
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