OpenGL

Tools > Options > View > OpenGL

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Options

The OpenGL options manage display options for OpenGL accelerator graphics cards.

Appearance Settings

Antialiasing
None
2x
4x
8x
GPU Tessellation

GPU tessellation is only available with display drivers that support OpenGL 4.0 or higher.

GPU tessellation draws curves, polysurface and extrusion object wires using a technique to generate curve information entirely on the graphics card. This can result in dramatic performance improvements for wire drawing (results will vary based on the graphics card used).

Level

Specify which OpenGL version will be used for viewport display.

  • Moving the slider all the way to the left will disable display card acceleration and use the software OpenGL driver.

To troubleshoot display issues

  1. Make sure your Windows system, Rhino, and display card driver are all updated.

  2. Move the slider one step at a time to the left side until the problem is resolved. (Click OK and restart Rhino for every change.)

Need help?

Please run the SystemInfo command, save your system information to a .txt file, and send it to the McNeel support team.

Video Hardware & Driver Information

Lists information about your system.

Use the SystemInfo command to list hardware and software information about Rhino.

Save options for use on other computers

OptionsExport

Save Options settings to a file.

OptionsImport

Restore Options settings from a file.