Rhino 8 UI Command line flashing during viewport click

Rhino 8 SR4 (8.4.24009.13521). Command line and upper left corner of window, including menus and title bar text, “flashing” (don’t know a better term for it) and command line highlights black during Polyline command when clicking points in viewport. Distracting to say the least.

See upper left quadrant:

Animation06

System Info

Rhino 8 SR4 2024-1-9 (Rhino 8, 8.4.24009.13521, Git hash:master @ 92a8f2048b418ceab8c8de06a88b7939594e09f2)
License type: Evaluation, build 2024-01-09
License details: Cloud Zoo
Expires on: 2024-03-04

Windows 10 (10.0.17134 SR0.0) or greater (Physical RAM: 16GB)
.NET 7.0.0

Computer platform: LAPTOP - Plugged in [96% battery remaining]

Non-hybrid graphics configuration.
Primary display and OpenGL: NVIDIA Quadro P2000 with Max-Q Design (NVidia) Memory: 4GB, Driver date: 12-1-2023 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 537.99
> Integrated accelerated graphics device with 4 adapter port(s)
- Windows Main Display is laptop’s integrated screen or built-in port
Primary OpenGL: NVIDIA Quadro P2000 with Max-Q Design (NVidia) Memory: 4GB, Driver date: 12-1-2023 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 537.99
> Integrated accelerated graphics device with 4 adapter port(s)
- Windows Main Display is laptop’s integrated screen or built-in port

Secondary graphics devices.
Intel(R) UHD Graphics P630 (Intel) Memory: 1GB, Driver date: 2-18-2021 (M-D-Y).
> Integrated graphics device with 3 adapter port(s)
- There are no monitors attached to this device. Laptop lid is probably closed

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: 12-1-2023
Driver Version: 31.0.15.3799
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 4 GB

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8\Plug-ins\Commands.rhp “Commands” 8.4.24009.13521
C:\Program Files\Rhino 8\Plug-ins\WebBrowser.rhp “WebBrowser”
C:\Program Files\Rhino 8\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8\Plug-ins\RhinoScript.rhp “RhinoScript”
C:\Program Files\Rhino 8\Plug-ins\IdleProcessor.rhp “IdleProcessor”
C:\Program Files\Rhino 8\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.4.24009.13521
C:\Program Files\Rhino 8\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.4.24009.13521
C:\Program Files\Rhino 8\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8\Plug-ins\MeshCommands.rhp “MeshCommands” 8.4.24009.13521
C:\Program Files\Rhino 8\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.4.24009.13521
C:\Program Files\Rhino 8\Plug-ins\RhinoCode\RhinoCodePlugin.rhp “RhinoCodePlugin” 8.4.24009.13521
C:\Program Files\Rhino 8\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.4.24009.13521
C:\Program Files\Rhino 8\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 8\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8\Plug-ins\SectionTools.rhp “SectionTools”

Note: upon further probing, this doesn’t happen if the Rhino window is maximized to fit the screen.

hi @anon I think I need a bit more info. I also just saw you are having issues with lagging drawing in the other thread. I cannot reproduce either issue on my end. Did this issue start when you updated Rhino to a newer service release? Did this start after a Windows update?

I’m sorry, I can’t say for certain.

No recent Windows updates.

I had another look at your video, and noticed that the commandline has a spinner that is not redrawn, and that seems to make the commandline flicker. I can reproduce it when I make the commandline as small as you make it in your Window Layout. At the default layout I don’t see this issue. This happens in Rhino 7 as well btw. If you make the Commandline as wide as needed until the spinner does not disappear, the flickering will stop as well.

Yikes. What’s a “spinner”?

How long or short should the command line be? I thought it might be nice to mimic some fellow forum posters and claim some R8 screen real estate from the command line. Maybe that’s a stupid idea.

the marked thing is a spinner. This size seems to work on my end.

I logged RH-79740 Commandline flickering

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