[Chimera-users] distance measurement

Elaine Meng meng at cgl.ucsf.edu
Wed Dec 30 09:54:41 PST 2009

Hello Farhana,
I just tried version 1.4 and a recent (12/28) daily build of version  
1.5, both Mac Aqua, and did not have this problem.

When you have a problem, it is better to use "Help... Report a Bug" in  
the Chimera menu (instead of sending e-mail here) because the report  
automatically includes important information such as what version of  
Chimera you are using and what kind of computer. There will an area to  
type a description of the problem and to include your e-mail address  
if you are hoping for a reply.

Sorry, we cannot offer advice unless we can reproduce the problem.  I  
can only mention there are other ways to add the distance without  
double-clicking.  For example, you can select the two atoms (Ctrl- 
click, Shift-Ctrl-click) and then use the command "distance sel" or  
the "Create" button on the Distances tool (under Tools... Structure  
Analysis) to add a distance monitor between the two selected atoms.

At least on a Mac, you can also move molecules with the "finger mouse"  
by combining that with various keys, but it is not as easy as using  
the "real mouse."

I hope this helps,
Elaine C. Meng, Ph.D.                          meng at cgl.ucsf.edu
UCSF Computer Graphics Lab and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Dec 29, 2009, at 12:48 PM, Farhana F Syed wrote:

> Hello,
> I have been using Chimera for some months but suddenly my distance  
> measurement is not working. I pick one atom and then shift-double  
> pick the other atom, the hand shows, it blinks a couple times but no  
> distance menu pops up. Any idea what could be wrong?! I just  
> uninstalled and reinstalled the chimera software again, still the  
> same trouble. [I use a laptop whose mouse works great (except when I  
> need to move the molecules, then I use a real mouse instead of the  
> laptop's finger mouse)]. Any help is greatly appreciated.
> Thank you for your time.
> Farhana

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