[chimerax-users] Suggestion - add shortcuts for Ca trace, Ca+sidechains

[Tom Goddard]

Yes a C-alpha trace toolbar button would be nice — I’ll add that.  The random atom color toolbar button is just for laughs — I’ll retire that one when I add C-alpha trace.  The C-alpha trace plus side-chain doesn’t seem too different from full backbone + side chain in visual complexity, and backbone + sidechain already has a toolbar button (show all atoms).  I’m thinking maybe that would be a toolbar button you could add as a customization.  I plan to add a command soon where you can add new toolbar buttons (you specify and image file for icon and the command to execute using a command e.g. "toolbar add “CA trace” icon iconfile.png command "show selAtoms & @CA” shortcut ca” and it would be remembered in a preference file.  Another useful one would be your thick backbone and thin side-chain sticks.

	Tom


> On May 26, 2017, at 7:35 AM, Oliver Clarke <olibclarke at gmail.com> wrote:
> 
> Hi,
> 
> Frequently when looking at models in medium resolution maps (~4-5 Å), it is valuable to view the C-alpha trace when assessing model map fit (or making figures to show such). 
> 
> At slightly higher resolution, where side chains are obvious but backbone torsions cannot be modeled based on the map alone, representing the C-alpha trace with sidechains displayed is often desirable (examples of both attached).
> 
> It looks like there is space in the upper toolbar for additional buttons - perhaps adding a button for a Calpha trace representation (equivalent would be P for nuclei acids) and one for a Calpha+sidechain/base representation may be worth considering? (I’m also not convinced of the value of the random atom colors representation as a shortcut, but maybe there is a use case I’m missing?)
> 
> Cheers
> Oli
> <Screenshot 2017-05-26 10.34.38.png><Screenshot 2017-05-26 10.34.25.png>
> <Screenshot 2017-05-26 10.23.18.png>
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