Thanks for reporting this problem. I have fixed it now, and the fix will be in tomorrow's daily build. It would be slightly better if you reported bugs like this using the builtin bug-reporting mechanism (i.e. click "Report Bug" on the dialog you sent an image of) rather then sending it to the whole chimerax-users list. The builtin bug-reporting includes a lot more information about your machine, ChimeraX installation, and the bug itself. It didn't turn out to be needed in this case, but it often is needed.

On Jan 5, 2023, at 3:34 AM, Prathvi Singh via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

Hi Elaine,

I declared the centroid of a tyrosine residue's ring by first selecting its ring members & then using the command: define centroid sel radius 0.5

Next, when I try to find the distance between the centroid, I get an error whose screenshot I have attached with the email. The command that I am using to find the distance are:
dist sel
dist #1.1 #1.2 (here the distance is being calculated between two centroids)

Please help
-
Prathvi Singh,
Research Fellow,
Department of Biological Sciences & Bioengineering,
Indian Institute of Technology, Kanpur-208016
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