[gmx-users] How to choose z component of two groups

[Peter Kroon]

Hi,


it's probably easier to get the membrane thickness using `gmx density`.


Peter


On 09-01-17 11:58, Mijiddorj Batsaikhan wrote:
> Dear gmx users,
>
> I am performing analysis of membrane system. I would like to estimate
> membrane thickness.
>
> I toke following command:
>
> gmx distance 0s topol.tpr -f traj.xtc -n selected_P.ndx -oav ave.xvg -oxyz
> thickness.xvg
>
>
> I do not know how to select z component of the two groups.
>
> Is there any advice, please?
>
>
> Best regards,
> Mijiddorj