Questions tagged [cache]
The cache tag has no usage guidance.
147
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2
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Do I need to make my own frame handling and caching logic or are there built in functions?
I've been working on a physics sim and I have basic timestep function and length constraints working. However, i've been using a workaround to force blender to update each step - i'm not using blender'...
- 41
0
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72
views
Asset Browser Will Not Update As Expected
my asset library consists of a number of well organised blend files used exclusively for storing my assets for use in the Asset Browser. Within my asset browser I use a set of classification tress to ...
- 1
-1
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1
answer
42
views
can we please add a way to view modifier keyframes
I mess with a lot of alembic files and I animate the alembic cache sometimes. The problem is I can't see the keyframes. They don't show up in the graph editor, they don't show up in the dope sheet, ...
0
votes
1
answer
78
views
Flip Fluid add on : Fluid sim freeze while rendering
I baked my fluid simulation, and rendered. But every 15~20 frames the sim froze.
So I closed the Blender file, reload it again and render from the keyframe which was frozen. I think it's the directory(...
- 1
0
votes
1
answer
33
views
Particle System Baking Issue: Unexpected Hair Particles (or stretched lines)
I'm having issues with particles. I initially had only "emitter" particles (not hair particles), but somehow, when I bake, the hair particles (lines) appear and stay there even after baking. ...
- 55
0
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28
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The baking speed of multiple cloths dropped dramatically
I use Blender 3.6 for my Blender files, and the duration of the camera animation is 15000 frames. At the same time, there are nearly 200 cloths in it, along with one wind force, so I need to bake all ...
- 1
0
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1
answer
11
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Blender fire simulation is jumping around randomly
Right now I'm trying to create a simple flame to create a flipbook texture to use in Unity. The only problem is that when I bake my simulation it seems to bounce all over the place. I'm not sure why ...
5
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1
answer
201
views
Change Simulation Nodes bake directory
How can I manually specify the location where the Simulation Nodes data is baked?
- 2,261
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1
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43
views
Optimize Sim Cache
I have a big blend file that contains simulations and my pc can't handle rendering it and I can't upload it to a render farm cuz when I add external cache files it gets too big. Whenever Itry ...
- 318
1
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1
answer
28
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Flag Behaving Unexpectedly
I have a flag waving in my blender file. The other flag is working perfectly fine while this one is showing unexpected behavior.
The cube is on 385.4 on x-axis. Also, I've already tried to add another ...
0
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0
answers
15
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particle system is still rendered after deletion
so I made a particle emitter system only to delete it after, but this shot of the particle still rendered on the screen and when I render the image or the animation, I cant select them to delete them, ...
0
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1
answer
24
views
Creating another group for rigid bodies
I have no idea how to create another group for rigid bodies. My animation involves several meshes becoming rigid bodies at different points in time.
I know there is a starting rigid body group named ...
- 57
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24
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Is Blender's OpenVDB cache export volume channel only?
I've been exploring using Blender VDB sims and not continuing with Embergen. Right now the biggest problem I'm having is that I can't apparently export flames from Blender to the OpenVDB cache. ...
0
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0
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21
views
rigid body bake - how to make a long rigid body animation?
So i made a little longer animation (> 1000 frames) with a bit more complicated rigid body physics (a vehicle driving around).
All went well, but...
after frame 500 it got really annoying that i ...
- 54.4k
0
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1
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51
views
World Space vertex coordinates and cache system
Blender 3.4
Windows 10
How do you get all world space coordinates of all the vertices of a mesh?
I have created a simple cube, applied a subdivision surface modifier, and added
wave animation using a ...
- 133
0
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0
answers
15
views
How to use cached_property in PropertyGroups
I'm trying to use cached_property to help store unchanging node and socket references for my addon to access quickly. Still, I noticed that it doesn't actually ...
- 125
0
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1
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72
views
How to limit fluid cache to used frames
I’m using a smoke simulation in my scene (animation), but I only need to use the simulation after it has reached a certain state. It takes around 2000 frames for the smoke to reach the point where it ...
- 173
0
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0
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18
views
Clone rigid body world across scenes?
I created a 2000 frame animation with a rigid body sim. In order to have different camera angles I created several linked scenes with different cameras and movements per scene.
I re-ran my simulation ...
- 125
0
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0
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24
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boid dynamics are not rendered with flamenco-worker
I tried to build a scene with boids following a target object. The target object is animated with rigid body dynamics and collision, rolling down a hill. The boids are emitted at frame 1 and should ...
0
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0
answers
15
views
How to get particles simulation data directly from the cache via bpy?
Is there any way to get particles data directly from the cache via bpy? For example, I've added Emitter, baked some particle simulation and would like to get ...
- 1,049
0
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0
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119
views
Get a mesh from a frame of a MeshSequenceCache in script
As the title says, I need help to understand how to access individual meshes from an object with a mesh sequence cache modifier that was created by importing an alembic animation. I want to access it ...
1
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2
answers
178
views
Simulation Cache is too heavy for SheepIt Render Farm
I am using SheepIt to render my animation, but I have a problem with Simulation Cache.
I know that you need to include the Bake Cache folder to render in SheepIt. But the Smoke Cache I simulated is ...
- 19
0
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0
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43
views
Smoke not showing up after changing cache folder
I'm trying to use smoke domain with custom cache folder. But if I change the default and bake it's not showing up anymore. The effect of smoke is still visible (fluid flow force). What is happening ...
- 11
1
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0
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241
views
How to clear animations and delete rendered animation frames
A real noob question, but even with some googling and searching here, I could not find an answer. Working on my first animation project. I did a basic turntable animation of my character's base mesh ...
- 11
0
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1
answer
68
views
bpy - detect modified mesh data (vertices, edges, loops, or polygons) for caching
say I have some deterministic expensive function calc_foo, that operates on a bpy.objects.Mesh.
How can I detect if a given bpy.objects.Mesh object is identical-to (...
- 254
0
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1
answer
397
views
Importing cache files in blender
I'm working on a particle simulation and have cached all frames, then enabled "Disk cache" and found the folder with the cache files.
However, when I then select "external cache" ...
- 97
0
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0
answers
503
views
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) ...
- 1
1
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0
answers
75
views
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 (...
- 182
0
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0
answers
222
views
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 ...
- 191
1
vote
1
answer
144
views
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 ...
- 191
1
vote
1
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72
views
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) ...
- 1,149
0
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0
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251
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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 ...
- 1
0
votes
1
answer
256
views
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 ...
- 1
0
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1
answer
1k
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 ...
- 1
3
votes
1
answer
457
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 ...
1
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0
answers
179
views
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 ...
0
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0
answers
25
views
How get all cache_directory of baked files?
I need to get list of cache_directories for every object.
Now i use that
...
- 21
0
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0
answers
463
views
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.
- 176
0
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0
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181
views
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 ...
- 1,011
0
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0
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147
views
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 ...
- 581
0
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0
answers
160
views
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 ...
- 1
1
vote
0
answers
209
views
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 ...
- 1,138
0
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0
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78
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 ...
- 1,190
2
votes
1
answer
178
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 ...
- 54.4k
1
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52
views
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 ...
- 11
0
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1
answer
4k
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 ...
- 335
0
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1
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137
views
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 ...
- 1,149
1
vote
1
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663
views
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 .....
- 13
2
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0
answers
112
views
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 ...
- 1,138
1
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0
answers
187
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 ...
- 93