From: Ban Arn (ban.arn_at_gmail.com)
Date: Wed Feb 05 2014 - 10:19:39 CST

Dear All

I came across the same issue.

The term "atom selection" is not clearly mentioned in the script.

Please try the command line

porcupineplot Traj [atomselect top "name CA"] or "all"

Many Thanks
Balaji

On Wed, Feb 5, 2014 at 3:13 PM, Axel Kohlmeyer <akohlmey_at_gmail.com> wrote:

>
>
>
> On Wed, Feb 5, 2014 at 9:05 AM, Revthi Sanker <revthi.sanker1990_at_gmail.com
> > wrote:
>
>> Dear Sir,
>> I am using the porcupine.pl script to make the pca visualization plots
>> provided at:
>>
>> http://www.ks.uiuc.edu/Research/vmd/mailing_list/vmd-l/att-15365/PorcupinePlot.tcl
>>
>> I source the *.tcl in the vmd tk console and select the first frame and
>> last frame. After which, when I perform the action:
>>
>> porcupineplot::Diff atomselect4766 atomselect4767
>>
>> an error is generated stating:
>>
>> running through 476 residues
>> can't read "colorScheme": no such variable
>>
>> Kindly help me in this regard.
>>
>>
> have you asked the author of the script?
>
> the error message hints that a variable colorScheme is not correctly
> declared as part of the namespace or not correctly imported into the
> namespace. you might be able to fix it yourself by comparing the script
> with the Tcl documentation on namespaces.
>
> axel.
>
>
>
>
>
>> Thank you in advance.
>> Yours sincerely,
>>
>> Revathi.S
>> M.S. Research Scholar
>> Computational Biophysics Lab
>> Department of Biotechnology
>> Indian Institute Of Technology, Madras
>> India
>> -------------------------------------------------------
>>
>>
>
>
> --
> Dr. Axel Kohlmeyer akohlmey_at_gmail.com http://goo.gl/1wk0
> College of Science & Technology, Temple University, Philadelphia PA, USA
> International Centre for Theoretical Physics, Trieste. Italy.
>