[Chimera-users] how to quickly delete several markers

Tom Goddard goddard at cgl.ucsf.edu
Wed Feb 25 12:47:15 PST 2009

Hi Juha,

  There are always tricks!  I use keyboard shortcuts to do this.  You 
have to turn on keyboard shortcuts to use them (menu Tools / General 
Controls / Keyboard Shortcuts, then click Enable keyboard shortcuts).  
The shortcuts are 2-key sequences (no return key) typed in the graphics 
window and the relevant ones for your task are:

    Da     - deletes selected markers/atoms
    sc       - select all markers/atoms connected to the already 
selected ones by links/bonds

So the typical use to delete a chain of markers is to select one with 
the mouse then type sc, then
Da.  The uppercase D is important.  Upper case in shortcuts is used if 
the action has serious irreversible consequences.

  If you use the Chimera command-line that overrides the shortcuts.  To 
get back to using shortcuts use the Chimera command "ac" and press 
return (that's a command not a shortcut, stands for accelerators).

  Here's a full list of shortcuts.


  Your mouse mode would be nice.  We need better support for alternate 
mouse modes in Chimera like a palette of modes as in paint programs.


Juha Huiskonen wrote:
> Dear Chimera developers & users,
> I am visualizing template matching results of volume data in Chimera, 
> and I have to discard hundreds of false positives matches, represented 
> as markers.
> Now I select some markers and then delete the selected markers from 
> the Volume Path Tracer menu. This is quite slow, and for me it would 
> be really handy, if I could delete (all linked) markers just by 
> clicking (one of them) them.
> Maybe "delete markers with mouse" feature could be added to Volume 
> Path Tracer module?
> Or is there already a faster way to do this?
> Thanks a lot in advance for your suggestions!
> Juha
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> Chimera-users at cgl.ucsf.edu
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