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Coot notes

COOT Notes

  • COOT 1.3.3 is available as non-default versions for both Linux and macOS as a stand-alone title more details.
  • On macOS 26, 0.9.x and earlier coot versions should function on macOS 26.2.2 and later with XQuartz 2.8.6 (although there may be graphics issues, the OpenGL crashes appear to have been resolved by the upstream developers. 1.3.3 does not require XQuartz OpenGL.

Configuring COOT 1.3.3

There are many ways to configure coot in the SBGrid environment more details; one way to do this is to add the appropriate following section to your ~/.sbgrid.conf file (create it, if one does not already exist) and start a new shell.

If you see a "Bad version" message (ex - COOT_M 1.3.3_arm user (Bad version), you will need to install this coot version.

macOS arm64

_COOT=coot
COOT_M=1.3.3_arm

macOS x86

_COOT=coot
COOT_M=1.3.3_x86

Linux

_COOT=coot
COOT_X=1.3.3

installing

Under the user account managing the SBGrid installation (in other words, the output of the whoami command matches the Software Admin line in sbinfo output):

For arm based macs 

sbgrid-cli install coot@1.3.3_arm

For Intel based macs

sbgrid-cli install coot@1.3.3_x86

For Linux 

sbgrid-cli install coot@1.3.3

More details about sbgrid-cli.

Multi-Monitor Issues on macOS 26

If you are using coot with a multi-monitor setup on macos, and see graphics issues (density offset from center of view, etc); Draw -> View -> Scale Down Graphics.