[Chimera-users] Regarding saving image in chimera nogui

[Eric Pettersen]

The “key” in your command tries to bring up the Color Key tool — which is impossible in nogui/headless mode.  There is no way to place a color key solely using commands, so if you really need a color key you would have to resort to using Python code to create it.  Otherwise, just drop “key” from your command and it will work.

—Eric

	Eric Pettersen
	UCSF Computer Graphics Lab

> On May 14, 2018, at 12:33 PM, NAGARAJAN <nagabioinfostar at gmail.com> wrote:
> 
> Hi,
> 
>   Thank you for the suggestion. I have installed the headless version and now it is working. I tried to color the surface based on b-factor using the following commnad
> 
>   "rangecolor bfactor key 2 blue 30 red 50 yellow"
> 
>   it is showing the following error "No module named Togl"
> 
>   I referred in internet and it seems this module is removed automatically during updation.
> 
>  Any idea how to solve this problem?
> 
> Thank you
> 
>   
> 
> On Fri, May 11, 2018 at 6:31 PM, Eric Pettersen <pett at cgl.ucsf.edu <mailto:pett at cgl.ucsf.edu>> wrote:
> This line from the “primer” that Elaine mentioned in her later message covers the problem you’re having:
> 
> Note that if your script creates images then you must start the Chimera interface unless you've downloaded the "headless" version of Chimera (see the download page <http://www.cgl.ucsf.edu/chimera/download.html>).
> 
> —Eric
> 
> 
> 	Eric Pettersen
> 	UCSF Computer Graphics Lab
> 
> 
> 
> 
>> On May 11, 2018, at 4:25 PM, NAGARAJAN <nagabioinfostar at gmail.com <mailto:nagabioinfostar at gmail.com>> wrote:
>> 
>> Hi,
>> 
>>   Thanks for the quick reply. I have previous experience in using Chimera GUI but not in nogui.
>> 
>>   The main thing that I dont know is to use those commands in nogui mode. 
>> 
>>    For example: for saving image, I have used "runCommand("copy str.png") . but it is now working
>> 
>>    Is there any link to get the informations to use commands in nogui mode
>> 
>> Thank you
>>    
>> 
>> 
>> 
>> On Fri, May 11, 2018 at 6:19 PM, Elaine Meng <meng at cgl.ucsf.edu <mailto:meng at cgl.ucsf.edu>> wrote:
>> Hi,
>> I guess you will be using commands.  Here are commands for your steps
>> 1. open
>> 2. surface
>> 3. color
>> 4, copy
>> Of course, you will have to include more things in those commands, various options, residue numbers, filenames etc. that you should test in the GUI first to make sure they do what you want.  See also the list of commands for anything else you might want to do like rotate (turn) translate (move) zoom (scale) … and click on the link to see each command’s help with information about the command syntax and  possible options.
>> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/framecommand.html <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/framecommand.html>>
>> 
>> See also:
>>  getting started with commands
>> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/tutorials/getting_started.html <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/tutorials/getting_started.html>>
>> 
>>  tips for making nice images
>> <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/print.html#tips <http://www.rbvi.ucsf.edu/chimera/docs/UsersGuide/print.html#tips>>
>> 
>> I hope this helps,
>> Elaine
>> -----
>> Elaine C. Meng, Ph.D.                       
>> UCSF Chimera(X) team
>> Department of Pharmaceutical Chemistry
>> University of California, San Francisco
>> 
>> > On May 11, 2018, at 4:09 PM, NAGARAJAN <nagabioinfostar at gmail.com <mailto:nagabioinfostar at gmail.com>> wrote:
>> > 
>> > Hi all,
>> >    I have to use chimera --nogui and do the following
>> > 
>> >   1. load a structure
>> >   2. make Surface representation
>> >   3. Color surface of selected residues with a selected color
>> >   4. save image
>> > 
>> > Any idea how to do the 4 steps in chimera --nogui?
>> > Thank you
>> 
>> 
>> 
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> 
> 
> 
> 

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