Hi Korbin, Actually there isn’t a way to change the mode with a command. Generally you can still select what you want without changing the mode, because in command-line atomspecs, “&” (ampersand) is for intersection and “|” (vertical bar) is for union. I can see that it might be less convenient if you have lots of sets of atoms to combine, however. Example: select ligand | :25-28 … would select both ligand and residues 25-28. Often in commands you don’t bother going through selection because you can specify the target atoms directly, for example: color red,a ligand | :25-28 <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/frameatom_spec.html> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/midas/atom_spec.html#combinations> I don’t know if this would help, but you can show an icon for easy mode-switching using menu: Select… Selection Mode… Show mode icon. This icon appears next to the lightning-bolt icon for Rapid Access, and it both shows which mode you are in and allows toggling amongst the modes. Best, Elaine ----- Elaine C. Meng, Ph.D. UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab Department of Pharmaceutical Chemistry University of California, San Francisco On Oct 31, 2014, at 11:56 AM, Korbin West <khwest16@wabash.edu> wrote:

Hi, I was wondering if there was a way to switch selection modes via the command line. I've been looking through the select command page on the user guide and can't figure a way to change the mode this way. Can anyone give me a tip? Thanks so much, Korbin West

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