[Chimera-users] [Chimera Help] Multiple Instances

Eric Pettersen pett at cgl.ucsf.edu
Wed Apr 22 11:48:51 PDT 2009

On Apr 21, 2009, at 8:59 PM, cdlau at ucsd.edu wrote:

> Dear Madam/Sir,
> I found this from a response 5 years ago in 2004
>>  As it works now, if you wish to send commands to an already running
>> Chimera, you cannot specify which instance of Chimera.  So it is not
>> possible to communicate with multiple instances of Chimera as you  
>> might
>> want to support multiple web sessions.  Dan Greenblatt may have ideas
>> for addressing this.
>>     Tom
> I was wondering if this is still the case.  I am interested in running
> multiple instances of Chimera on a Tiled Wall Display and have global
> control over all the instances.  Does anyone have any suggestions or
> resources for me to look into?

Hi Chris,
	The quote refers to the situation where a user has started multiple  
Chimera sessions and then executes a Chimera script from a web page.   
The script might run in any of the Chimera instances.
	If _you_ start multiple Chimeras you can absolutely control which one  
does what as long as the commands aren't coming from a web page.   
There is a ReadStdin extension that you can use to have each Chimera  
read commands from standard input (documentation: http://www.cgl.ucsf.edu/chimera/current/docs/ContributedSoftware/readstdin/readstdin.html) 
.  It reads Chimera commands but you can use the "open" command to run  
Python scripts.
	Let me know if this isn't sufficient for your needs.


                         Eric Pettersen
                         UCSF Computer Graphics Lab

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