[Chimera-users] Selector Construction Panel

[Eric Pettersen]

Hi Virginia,
	Perhaps you could describe what your ultimate goal here is -- there  
may be an easier way to achieve it than by constructing a custom  
selector.
	But in regards to your problem, for the purposes of selector  
construction the "Existing Selection" isn't what is selected at that  
instant -- it's what's selected at the time the selector is invoked  
from Chimera's Select menu.  This allows you to build selectors that  
intersect the peptide backbone with the current selection for example.
	If you want to make a selector that simply holds what's currently  
selected, use the Name Selection... entry in Chimera's Select menu.   
That creates a selector under Named Selections in the Select menu,  
and will also be remembered in saved sessions.

--Eric
                         Eric Pettersen
                         UCSF Computer Graphics Lab
                         pett at cgl.ucsf.edu
                         http://www.cgl.ucsf.edu


On Oct 25, 2007, at 2:22 PM, Virginia Pett wrote:

> Hello,
> There is a difficulty with the Selector Construction Panel.  I make  
> a selection in the main window, such as chain A or atom @NZ.  The  
> Inspect Selection panel shows that I have made a selection.  Then  
> in the Selector Construction Panel: Workbench, Load from current.   
> The Status panel shows workbench content:  Existing Selection.   
> Then Workbench, Save, as chain A, for example.  However, when I go  
> back to the main window, Select, Clear Selection and then Select,  
> chain A, there is nothing selected.
>
> I downloaded the latest version of Chimera for Mac OS X a few days  
> ago (chimera-1.2422-osx_x11.dmg).  I’m running it on a PowerBook G4  
> with Mac OS X (10.4.10).
> Virginia
> _____________________________________________________
>
> Virginia B. Pett
> Professor of Chemistry
> Department of Chemistry, The College of Wooster
> 943 College Mall, Wooster, OH 44691
> Telephone:  330-263-2114
> Fax:  330-263-2386
>
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