Questions tagged [cache]
The cache tag has no usage guidance.
153
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Replay type fluid simulation not working as expected. What am I doing wrong?
Replay type fluid simulation not working as expected.
Hello everyone, I am following a tutorial from a book, on fluid simulation. I am expecting the simulation to have been baked after the first run ...
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33
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Blender crashes after variable amount of frames, or after scene edit [closed]
I have a problem with animation render. The render starts, but after a variable number of frames (usually around 500), blender crashes.
My scene is pretty big, over 20M tris, filled with vegetation.
I ...
- 11
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1
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26
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Blender camera shaking issue in cycles only
so i'm currently working on a short personal project on blender 4.1 and i got issue with the camera, keep in mind that this issue is only happening in cycles and cycles only, So in my project i got a ...
- 3
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32
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Get USD file start frame number in Python?
USD file stage may have an arbitrary start frame. Is there a way to access that information from Python?
There is a (bpy.context.active_object.modifiers[0]).cache_file object, but it seems not to ...
- 631
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1
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65
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Crashing with a cached simulation nodes setup
Just cached 1800 frames of a simulation nodes sim. It chugged through them fine (each .blob file is max about 30Mb) but as soon as it had finished the frame range, it crashed. Opening the file makes ...
- 83
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15
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How to change indirect lighting cache to somewhere else
Is is possible that I can store indirect lighting cache somewhere else besides from my Ram? Blender takes up most of my ram when I use indirect lighting so is there a way to bring it to a folder to be ...
- 70
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19
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baking and rendering with breaks in simulation, from lattice to cloth
I'm looking to animate/simulate/render physics that has gaps in simulation. I'll start with Lattice/Soft-Body that then affects a large mesh. But then looking a cloth sim its could get to be a ...
- 5,709
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47
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How can I export a file to FBX or gITF format with MeshSequenceCache animation from Marvelous Designer?
I created a cloth simulation animation using Marvelous designer, then I imported this file as Alembic format into Blender. Everything works great in Blender I can view the animation no problem. Now, I ...
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9
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how to separate driver settings on two physics caches
I need to cease a physics simulation for a series of frames, and possibly re-bake the simulation when I adjust the animation by scaling areas that will include certain timeline markers. As an example ...
- 5,709
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13
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how to use baked fire smoke fluid data in scripting
i am creating a fire and smoke simulation using the bpy scripting , to avoid the baking fluid again and again , i baked the fluid manually in another blend file with modular and openvdb , now i want ...
- 1
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51
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Slow scene strip playback in VSE
I animated a lot of scenes then added them into the VSE.
They were laggy and overall slow. So I looked it up on the internet
and someone told me about cache. I tried it and it were a bit faster, but ...
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2
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50
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python script to access soft-body modifier ptcache (free, bake)
I have tried the following script to re-bake a soft-body modifier on a lattice object:
...
- 5,709
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26
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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
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605
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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 ...
- 11
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108
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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, ...
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1
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333
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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(...
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1
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106
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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. ...
- 57
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107
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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 ...
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1
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76
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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
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470
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Change Simulation Nodes bake directory
How can I manually specify the location where the Simulation Nodes data is baked?
- 2,715
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87
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 ...
- 420
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60
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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 ...
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26
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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, ...
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1
answer
42
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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 ...
- 55
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1
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69
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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
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1
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123
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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 ...
- 217
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27
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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 ...
- 180
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180
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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
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400
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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 ...
- 49
1
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522
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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
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104
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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 (...
- 354
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773
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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
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787
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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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98
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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 (...
- 312
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376
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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 ...
- 191
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211
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
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1
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109
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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) ...
- 1,249
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460
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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
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459
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 ...
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1
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3k
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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3
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1
answer
650
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 ...
2
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0
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259
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 ...
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42
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
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708
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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.
- 196
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294
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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 ...
- 1,041
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229
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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 ...
- 607
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198
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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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249
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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 ...
- 1,168
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87
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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 ...
- 1,200
2
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1
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236
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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 ...
- 1