1. Hair simulation does not work with an armature. 2. Both Animate and Render buttons crash blender when clicked. #47172

New Issue

Adam Saunier · 2016-01-13T00:04:26+01:00

Adam Saunier commented

2016-01-13 00:04:26 +01:00

System Information
Operating system and graphics card
I7 - 4790
16gb
gtx 745
2tb hdd
win 10

Blender Version
2.76b

When creating a animation with armature, the hair simulation as on a bear will go crazy making unrealistic simulations. I have remade the particle system with the same results. I have chatted with some people on a form and they were having the same problem as me. I tested it on both a desktop and a laptop.

http://blender.stackexchange.com/questions/44809/hair-simulation-freaking-out
When clicking the render and animate buttons, blender crashes and the only way to render is using the shortcut. This has been happening for some time and I have reinstalled blender in attempt to solve both problems.

FILE DOWNLOAD

https://drive.google.com/open?id=0B2P6Uof8h1lAVmJEM1h0NEU2cE0

**System Information** Operating system and graphics card I7 - 4790 16gb gtx 745 2tb hdd win 10 **Blender Version** 2.76b 1. When creating a animation with armature, the hair simulation as on a bear will go crazy making unrealistic simulations. I have remade the particle system with the same results. I have chatted with some people on a form and they were having the same problem as me. I tested it on both a desktop and a laptop. ![Screen shot.jpg](https://archive.blender.org/developer/F273368/Screen_shot.jpg) http://blender.stackexchange.com/questions/44809/hair-simulation-freaking-out 2. When clicking the render and animate buttons, blender crashes and the only way to render is using the shortcut. This has been happening for some time and I have reinstalled blender in attempt to solve both problems. ***FILE DOWNLOAD*** https://drive.google.com/open?id=0B2P6Uof8h1lAVmJEM1h0NEU2cE0

Adam Saunier commented

2016-01-13 00:04:26 +01:00

Changed status to: 'Open'

Adam Saunier commented

2016-01-13 00:04:26 +01:00

Added subscriber: @awsaunier0115

Bastien Montagne commented

2016-01-15 10:49:17 +01:00

Added subscriber: @mont29

Bastien Montagne commented

2016-01-15 10:49:17 +01:00

Please attach here a simple .blend file… We cannot work (investigate bugs) with something that big.

Also, could be worth checking with the latest build from our buildbot, there have been changes and fixes in this area recently - but please keep in mind that our particle system is currently in a very bad (and mostly unfixable) state… and that deformation can generate some bad geometry (like very long and/or thin polygons) that would break any physical simulators.

Please attach **here** a **simple** .blend file… We cannot work (investigate bugs) with something that big. Also, could be worth checking with the latest build from [our buildbot](https://builder.blender.org/download), there have been changes and fixes in this area recently - but please keep in mind that our particle system is currently in a very bad (and mostly unfixable) state… and that deformation can generate some bad geometry (like very long and/or thin polygons) that would break any physical simulators.

Adam Saunier commented

2016-01-15 17:00:02 +01:00

Polar Bear Ann Bug Report.blend
I have also tried the latest build and it did not work

[Polar Bear Ann Bug Report.blend](https://archive.blender.org/developer/F274586/Polar_Bear_Ann_Bug_Report.blend) I have also tried the latest build and it did not work

Bastien Montagne commented

2016-01-15 18:11:17 +01:00

Changed status from 'Open' to: 'Archived'

Bastien Montagne closed this issue

2016-01-15 18:11:17 +01:00

Bastien Montagne self-assigned this 2016-01-15 18:11:17 +01:00

Bastien Montagne commented

2016-01-15 18:11:17 +01:00

sigh I asked for a small and simple demo file. We do not accept reports with production files, those are typically unusable for investigation.

Anyway, this only looks like bad usage of simulation - I’m far from an expert in this domain (@lukas_t may be more helpful here?), but the report area of the simulation parameters keeps arroring about 'no convergence', which afaik means system is not stable and you need to refine the sim somehow…

Closing for now, see no real bug in all this so far.

*sigh* I asked for a **small** and **simple** demo file. We do not accept reports with production files, those are typically unusable for investigation. Anyway, this only looks like bad usage of simulation - I’m far from an expert in this domain (@lukas_t may be more helpful here?), but the report area of the simulation parameters keeps arroring about 'no convergence', which afaik means system is not stable and you need to refine the sim somehow… Closing for now, see no real bug in all this so far.

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1. Hair simulation does not work with an armature. 2. Both Animate and Render buttons crash blender when clicked. #47172