Hairs not rendered in cycles when edit mode or particle edit mode is active #90966

New Issue

Wouter Stomp · 2021-08-26T15:45:29+02:00

Wouter Stomp commented

2021-08-26 15:45:29 +02:00

System Information
Operating system: macOS-11.5.2-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 5500M OpenGL Engine ATI Technologies Inc. 4.1 ATI-4.6.20

Blender Version
Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-08-23 15:09, hash: 7d17f2addf
Worked: unknown

Short description of error
With the attached file, when you render with F12 while edit mode or particle edit mode is active in the viewport, the hairs are not rendered. In Eevee this does not occur.

Exact steps for others to reproduce the error
Open attached file, select the bezier curve
Press f12 to render while in object mode -> hairs are rendered
Switch to edit mode or particle edit mode and press F12 -> hairs are not rendered

Feather hair bug.blend

**System Information** Operating system: macOS-11.5.2-x86_64-i386-64bit 64 Bits Graphics card: AMD Radeon Pro 5500M OpenGL Engine ATI Technologies Inc. 4.1 ATI-4.6.20 **Blender Version** Broken: version: 3.0.0 Alpha, branch: master, commit date: 2021-08-23 15:09, hash: `7d17f2addf` Worked: unknown **Short description of error** With the attached file, when you render with F12 while edit mode or particle edit mode is active in the viewport, the hairs are not rendered. In Eevee this does not occur. **Exact steps for others to reproduce the error** Open attached file, select the bezier curve Press f12 to render while in object mode -> hairs are rendered Switch to edit mode or particle edit mode and press F12 -> hairs are not rendered [Feather hair bug.blend](https://archive.blender.org/developer/F10328260/Feather_hair_bug.blend)

Wouter Stomp commented

2021-08-26 15:45:29 +02:00

Added subscriber: @blenderrocket

Thomas Dinges commented

2021-08-26 16:18:17 +02:00

Added subscriber: @ThomasDinges

Thomas Dinges commented

2021-08-26 16:18:17 +02:00

Changed status from 'Needs Triage' to: 'Confirmed'

Thomas Dinges commented

2021-08-26 16:18:17 +02:00

I can confirm this behaviour, but EEVEE and Cycles behave differently in Particle Edit Mode.

Mode	Object	Edit	Particle Edit
EEVEE	YES	NO	YES
Cycles	YES	NO	NO

I can confirm this behaviour, but EEVEE and Cycles behave differently in Particle Edit Mode. | Mode | Object | Edit | Particle Edit | | -- | -- | -- | -- | | EEVEE | YES | NO | YES | | Cycles | YES | NO | NO |

Wouter Stomp commented

2021-08-26 16:36:08 +02:00

Ah yes you are right, I only tried Eevee with particle edit mode, not edit mode.

Philipp Oeser removed the

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Hairs not rendered in cycles when edit mode or particle edit mode is active #90966