Please keep all Gromacs-related correspondence on the gmx-users list. I am not a private tutor. I am CC'ing this message to the list and will ask that all further correspondence be addressed there.

On 10/9/12 12:26 PM, Arman Mahboubi Soufiani wrote:
Dear Justin,

I have two layers of PLA and don't know the distance between their centre of
mass! Moreover, I have to change this distance to specific amount.
I have made separate indices for all the atoms on the top and bottom layer.
However, this is the step that I definitely need your direction to adjust the
correct COM between these two layers of poly(lactic acid).

I would be greatly thankful if you help me in this regard.


g_dist is the program used to measure distances. Either you need to place the components in your box by specifying their locations with editconf (using -translate, -rotate, or -center options as needed) or use the pull code to adjust their positions.

-Justin

--
========================================

Justin A. Lemkul, Ph.D.
Research Scientist
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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