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hair particles not rendering when rendering a tereo image from command line
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Description

System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce GTX 1060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86

Blender Version
Broken: version: 2.80 official
Worked: 2.79b

Short description of error
a hair particles system with instanced meshes will not be visible in the right image of the final render when rendering a stereo image, if the render is launched from a command line. It works fine if rendered directly in blender however and it works fine if the particles system is rendered as paths.

Exact steps for others to reproduce the error

  • add a plane and add an hair particles system
  • instance any mesh on the hair particles system
  • activate stereoscopy in the output menu
  • launch the render from a command line

The right eye won't display the particle system.
launching the render in blender and then saving the image however, works fine.

Details

Type
Bug

Event Timeline

Also, T62254. That report makes no distinction between command line and in-application rendering, however.

Thx @Garry R. Osgood (grosgood) for finding the related tickets, will merge into T70114 first (then check again if T70114 and T62254 are the same...)

yes, it looks exactly like the bug reported in the other two bug tracks. Sorry, I am quite new to the bug tracker, I'll try to pay more attention to this in the future. Thanks guys!