Snapshots are broken with worksessions


Step to reproduce:

  • put some objects in a file A

  • put some objects in a file B, close it

  • attach file B in A with a worksession

  • hide a few objects

  • save the visibility state of the remaining objects in a snapshot:

  • show all objects again

  • try to restore the snapshot state

Expected behaviour: the visibility state of the objects should be restored. This seems to work in a single file (i.e. no worksession).

Actual behaviour: it seems that nothing happens.

Version info:

Rhino 7 SR19 2022-5-10 (Rhino 7, 7.19.22130.15001, Git hash:master @ d1ce997263f5027a4d6f62f5f4e193055e56beff)
License type: Commercial, build 2022-05-10
License details: LAN Zoo Network Node

Windows 10 (10.0.19044 SR0.0) or greater (Physical RAM: 32Gb)

Computer platform: DESKTOP 

Standard graphics configuration.
  Primary display and OpenGL: NVIDIA Quadro P2000 (NVidia) Memory: 5GB, Driver date: 2-10-2022 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 511.79
    > Accelerated graphics device with 4 adapter port(s)
        - Windows Main Display attached to adapter port #0
        - Secondary monitor attached to adapter port #1

OpenGL Settings
  Safe mode: Off
  Use accelerated hardware modes: On
  Redraw scene when viewports are exposed: On
  Graphics level being used: OpenGL 4.6 (primary GPU's maximum)
  Anti-alias mode: 4x
  Mip Map Filtering: Linear
  Anisotropic Filtering Mode: High
  Vendor Name: NVIDIA Corporation
  Render version: 4.6
  Shading Language: 4.60 NVIDIA
  Driver Date: 2-10-2022
  Driver Version:
  Maximum Texture size: 32768 x 32768
  Z-Buffer depth: 24 bits
  Maximum Viewport size: 32768 x 32768
  Total Video Memory: 5 GB


Thanks for reporting this. I was able to reproduce it and created an entyry for the bug tracker: RH-68714

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