Questions tagged [cache]

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Error: LightCache is too large and will not be saved to disk [eevee]

I've got an issue with my scene. I've got about 28 reflection cubemaps in my scene to follow my geometry. But after I tried to bake them, I got this error: So how can I fix this? Is there a limit in ...
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1answer
29 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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1answer
17 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 ...
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23 views

Load/save cached images

I have a old blend file and theres textures from it that I want to look at, the icons for the textures are still cached and I can see them, but there really low res and I was wondering if it was ...
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1answer
35 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 .....
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11 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 ...
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13 views

How to export Alembic Mesh Cache Sequence from Blender to Unity

I created some clothes animations in Marvelous Designer and exported them to Blender. The animation plays, but I am trying to get the separate clothes animations to play with with several different ...
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21 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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45 views

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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1answer
19 views

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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13 views

How do I refresh model positions between scenes

When I switch between scenes, my models are often in the wrong position. The only way to fix this for me is to select the model and enter pose mode, this updates the character. It's inconsistant and I ...
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2answers
111 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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21 views

Why does changing viewport subdivision clear physics cache?

I have an object with cloth simulation. I play the animation and the simulation is cached (not baked): Then I change its Subdivision modifier's viewport setting: And the cache is all gone! The ...
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30 views

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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20 views

How does the Blender User reuse a fluid simulation .. without an undesired cache delete?

Desired Scenario Create a fluid simulation once and use it multiple times with a different range of simulation frames using different Blender files. Cache should be read only. The fluid simulation ...
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20 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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124 views

OBJ Mesh cache "Vertex count mismatch" error

I am using Marvelous Designer 10 and I want to export a cloth with its color to Blender. I used mdd cache at first as usual. I did this quite often before. I imported my cloth file by checking "...
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1answer
111 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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1answer
34 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 ...
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27 views

Changing cache type for Mantaflow in 2.9

I am trying out some particle fx with smoke simulations and I didn‘t find a bake button. I heard that I had to change the cache type from replay to modular. But there is no „type“ menu under cache! I‘...
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23 views

Is there any way to save Cursor movements to history?

Oftenly i do change cursor's position by mistake and i cant undo it. Are there any ways to add the cursor movements to history ?
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38 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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14 views

How to load particle cache in Blender 2.92?

I used a program I wrote to generate the sample cache sequence in .gz format and then imported it into Blender 2.81 to create the particle system I wanted.However, since version 2.82, I can't find a ...
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57 views

How can I import a binary OBJ file sequence?

I've been using my own application to generate binary OBJ sequences and then import them into Blender for rendering purposes. In Blender versions above 2.8.2 I couldn't find a way to import the ...
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2answers
39 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 ...
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70 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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16 views

Exporting project with physical atmosphere addon for render farm

I'm trying to export a project for a render farm that involves rising and setting sun. Whole sun animation is done with physical starlight and atmosphere addon. When I render it in render farm sun ...
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29 views

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 ...
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1answer
48 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 ...
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70 views

Is there any shortcut to recalculate smoke/fluid simulations?

While working with smoke/liquid, I often have to go to cache and press "Is Resumable" twice in order for parameter changes to update the simulation (the workaround I found so far). Is there ...
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2answers
160 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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0answers
52 views

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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1answer
107 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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2answers
978 views

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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19 views

How to get cache name with a script

I have a script that needs to get an object's cache name. Basically this: I have tried with ...
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67 views

Physics properties: Will the render be accurate without baking?

I have a scene with lots of objects with physics on them. Dynamic paint, rigid bodies, wind, and turbulence. Now, getting all of this baked and packed in a .zip to send to a render farm is quite the ...
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1answer
168 views

Baked Cloth Sim Lost Between Closing and Opening File

I'm running Blender 2.90.1 on a Windows 10 PC. I've created a relatively simple cloth sim of vinyl banners on the side of a tent in a breeze. In order - I've saved my project -> Checked the boxes ...
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1answer
258 views

Operator Search: 'Free Data' not available in Blender 2.9 anymore?

I have a problem with caching my data when I try to run 'replay mode' for a fluid simulation in 2.9. In the 2.8x versions, you can 'free the data', when you search for ...
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15 views

Exiting cycles render between render layers

I'm rendering a still image with four render layers (view layers) and output to OpenEXR Multilayer, each render layer to its own file output. The render has completed 2/4 of the view layers, but I'm ...
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1answer
165 views

No "Final" option under Physics Properties > Cache > Type

My question is pretty simple. In all the tutorials I've watched at some point the instructor says to set the option Physics Properties > Cache > Type to ...
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33 views

Videos from my cell phone have slow playback in VSE preview

Usually when I drag a video from Zoom or my Cannon camera, the preview will play back at full speed. However, when I drag in a video from my cell phone, it only gets ~3 FPS. (Interestingly, the video ...
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41 views

Is it possible to delete meshes that have baked physics?

It took 17 hours to bake 50k small objects all colliding in a container. There are times when some of those objects escape the container and I’d like to just delete those meshes entirely. Trouble is ...
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218 views

fully clear scene and cache from scene collections and their embeded components e.g. objects, meshes, materials etc

I have a script which I am loading mutliple .obj files of room models from the disk. Each .obj goes into sub-collections depending whether it is a room in the same house or not. In the beginning of ...
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1answer
147 views

Prefetch maxing out 20+GB of RAM over a 355MB jpeg sequence

Pretty new to Blender - I'm having difficulty wrapping my head around how Blender caches image sequences. I have a 355MB jpeg sequence which I am trying to Prefetch and do a camera track on. Somehow ...
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1answer
278 views

How to bake a particle animation over 250 frames

I have been following this guide for making a particle animation: https://www.youtube.com/watch?v=2bv973aqx-w At the end, he says you just increase the end frame in the bar at the bottom up to 500 and ...
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1answer
47 views

Video Sequencer Cache Button Exists?

Is there a button in the Video Sequencer that, when pressed, will cache as much of the timeline as possible?
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1answer
530 views

Bake Mesh Sequence Cache to Keyframes or Shape Keys?

I have a Mesh Sequence Cache modifier that references a .abc file. Is there any way I could bake the modifiers' motion to the object so it doesn't have to reference the .abc file? I'm doing this so ...
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22 views

Blender removes my fluid simulation cache when rendering. (Help)

I know that this may sound weird. Blender removes the cache I baked for my mantaflow simulation and ends up rendering a "box" type of thing. Is there any way to fix this?
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2answers
899 views

Blender Cache Error. 0 frames in memory Cache is Outdated

Hi, so for the last couple of days i've been trying to bake hair particles from a tree I modeled but I keep getting this error that says "0 frames in memory (0 B), cache is outdated!" and I can't ...
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1answer
84 views

Turning Off Blender 2.82 VSE Cache Indicator

So I've finally made the switch to the Blender 2.8 series. In the VSE the new visual indication of cached frames is nice, however I find it to be quite distracting. Is there any way in which I can ...