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Maniphest T90351

Hair particles do not appear correctly in the correct edit mode
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Description

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 471.41

Blender Version
Broken: version: 2.93.1, branch: master, commit date: 2021-06-22 05:57, hash: rB1b8d33b18c2f
Worked: (newest version of Blender that worked as expected)
I want to simulate hair particles to my character but he's not grieving at least not properly. (not even in Cycle GPU rendering)
it appears when I am in sculting mode, in vertice painting, in weight painting, but not in object mode, edition, texture paint, or particle edition.

Short description of error
[Please fill out a short description of the error here]
I sculpted my pony with remesh on it, I created a proxy for not rowing when I work on it. and I wanted to work with the hair. without touching anything

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]

Poney de Base 3.0.blend24 MBDownload

Event Timeline

Benjamin Nester (LuxThePegasus) created this task.Aug 1 2021, 12:03 PM
Philipp Oeser (lichtwerk) renamed this task from les particule Hair n'aparaissent pas correctement dans les bon mode d'édition. to Hair particles do not appear correctly in the correct edit mode.Aug 3 2021, 1:46 PM
Philipp Oeser (lichtwerk) updated the task description. (Show Details)
Philipp Oeser (lichtwerk) closed this task as Archived.Aug 3 2021, 1:55 PM
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

This is due to the Edge Split modifier [which is before the particle modifier in the modifier stack].

By default, the particle modifier hair emission will be based on the "original" mesh [excluding modifers], but then the Edge Split modifier alters topology in a way that hair emission will not match anymore.
You can verify by disabling the Edge Split modifier.

Now you have two ways to work around this:

  • [1] move the Edge Split modifier before the particle modifier in the stack
  • [2] use the Use Modifier Stack in emission settings

So thx reporting, but this is expected behavior, will close.