From: Tim Lo (
Date: Sat Aug 29 2015 - 01:58:43 CDT

Hi Eric,

Do you mean moving the center of the whole system to the origin? In this
case, you can use the following Tcl script:
set A [atomselect top all]
set minus_com [vecsub {0.0 0.0 0.0} [measure center $A]]
$A moveby $minus_com

Research Associate
The University of Hong Kong

On 29/8/2015 14:10, Eric Smoll wrote:
> Hello VMD users,
> Is there a way to set center in a script? Normally, File -> "Log Tcl
> Commands to Console" is useful but using "Mouse" -> "Center" just
> returns information on the selected atom. As far as I understand,
> translate and rotate operations are applied from this reference.
> Best,
> Eric