Re: [PyMOL] command question RE printing out distances to text file

Another follow up question to this. I decided to use the measure distance python script on the pymol wiki to do this, and I was able to do it successfully with a range of residues, but my question is about the output txt file.  When I run the script I get the correct distances (all 3 of them) to show on the GUI but the text file that is generated (distnew.txt) only lists one distance--so perhaps the script needs to be modified for this as well for the residues measured?

The original script is at the link http://www.pymolwiki.org/index.php/Measure_Distance
and my modified version is below. Suggestions appreciated! Thank you.

# This script writes the distance from 
# atom mol1///25/ha to atom mol1///26/ha
# out to the file "dist.txt"
# Simply change your selections to see different distances.
 
# import PyMOL's command namespace
from pymol import cmd
 
# open dist.txt for writing
f=open('distnew.txt','w')
 
# calculate the distance and store it in dst
dst=cmd.distance('tmp','B///297/cb','A///17-19/cb')
 
# write the formatted value of the distance (dst)
# to the output file
f.write("%8.3f\n"%dst)
 
# close the output file.
f.close()
________________________________________
From: Robert Campbell [rob...@qu...]
Sent: Monday, June 09, 2014 10:04 AM
To: pym...@li...
Subject: Re: [PyMOL] command question RE printing out distances to text file

Hi Suzanne,

You can also get the distance printed in the external GUI or terminal window
by using the "cmd.distance" version of the command.  So either you can
assign the distance to a variable and print it or you can print the result
directly.

Assuming you have two selections, sele1 and sele2 specifying the atoms of
interest you can do:

  d = cmd.distance(sele1,sele2)
  print sele1,sele2,d


Cheers,
Rob

On Mon, 2014-06-09
13:13 EDT, Thomas Holder <tho...@sc...> wrote:

> Hi Suzanne,
>
> you can use the get_distance command. It doesn't generate a distance
> object but prints the distance to the external window.
>
> https://urldefense.proofpoint.com/v1/url?u=http://pymolwiki.org/index.php/Get_Distance&k=7DHVT22D9IhC0F3WohFMBA%3D%3D%0A&r=1ciN0EuZ9XNq3lPnYtgkI5sKPXgKVaywidBN0C981SQ%3D%0A&m=fr2bAoLQoVgp9h2t2fgBvfGVVX7oQ1g14g1AODFz%2FRg%3D%0A&s=921f4dfed39cd38f4ae7a70dfb937844d4e3faf1bc967c2f4d1f2944fa2ea31b
>
> Cheers,
>   Thomas
>
> On 06 Jun 2014, at 23:03, Lapolla, Suzanne M (HSC)
> <suz...@ou...> wrote:
>
> > Fellow Pymol Users:
> > I may have asked this question before...but if so have forgotten. I am
> > measuring distances between 2 atoms in 2 different objects using the
> > distance command, and it is working perfectly, but I wonder if there is
> > a command I can use/add so that those distances can be printed in the
> > external gui as well as being shown in the viewer. I will be doing lots
> > of these at the same time and the screen will get crowded. Thank you in
> > advance.
>




--
Robert L. Campbell, Ph.D.
Senior Research Associate/Adjunct Assistant Professor
Dept. of Biomedical & Molecular Sciences
Botterell Hall Rm 644
Queen's University,
Kingston, ON K7L 3N6  Canada
Tel: 613-533-6821
<rob...@qu...>    https://urldefense.proofpoint.com/v1/url?u=http://pldserver1.biochem.queensu.ca/~rlc&k=7DHVT22D9IhC0F3WohFMBA%3D%3D%0A&r=1ciN0EuZ9XNq3lPnYtgkI5sKPXgKVaywidBN0C981SQ%3D%0A&m=fr2bAoLQoVgp9h2t2fgBvfGVVX7oQ1g14g1AODFz%2FRg%3D%0A&s=aaad7877cf1640401ae708b7b5f5a2fbe03abec4d2f0ef509e7360c0017ee225

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