From: Axel Kohlmeyer (
Date: Tue Feb 02 2016 - 02:07:21 CST

On Tue, Feb 2, 2016 at 8:34 AM, Monika Madhavi <> wrote:
> Dear all,
> I make my atom selections as follows
> set sel [atomselect $mol "within 5 of index $ind1" frame $frm]
> and I am taking similar selections for series of $ind1 s. However it seems
> that all these selections does not have nearly same number of atoms which
> should be since my system is isotropic. Then I think I have to wrap the

if you want your selection to include periodic images, you can use
pbwithin instead of within. please note that this *still* will select
atoms at the original location.


> Best regards,
> Monika
> --
> W.A.Monika Madhavi
> Lecturer (Probation),
> Department of Physics,
> University of Colombo.

Dr. Axel Kohlmeyer
College of Science & Technology, Temple University, Philadelphia PA, USA
International Centre for Theoretical Physics, Trieste. Italy.