[gmx-users] trjconv

Nuno R. L. Ferreira nunolf at ci.uc.pt
Mon Apr 4 13:12:58 CEST 2005


----- Original Message ----- 
From: "Jian Zou" <zouj01 at mails.tsinghua.edu.cn>
To: "gmx-users" <gmx-users at gromacs.org>
Sent: Monday, April 04, 2005 11:45 AM
Subject: [gmx-users] trjconv


> >> > trjconv -f md.trr -s b4md.tpr -n index.ndx -o md_500ps.trr -e 500
> >> to extract 500ps trajectory from 1ns trajectory.
> >>
> >> but I found the output trr file is only one fourth of the original one.
> >>
> >> what is deleted when I use this command?
>
> > All frames after 500 ps (-e flag).
>
> why not one half? what else has been deleted?

index.ndx corresponds only to protein?

>
> Thanks in advance.
>
> Regards,
>
> Jian Zou
>
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