[gmx-users] meaning of -fr in trjconv

Justin Lemkul jalemkul at vt.edu
Wed Dec 23 14:34:45 CET 2015

On 12/23/15 1:40 AM, Zhenyu Meng wrote:
> Hi all,
> I just want to know the meaning of "-fr" in trjconv program.
> Does that mean the number of certain frames? If so, what's the format of
> that?

gmx help trjconv:
  -fr    [<.ndx>] (frames.ndx) (Input, Opt.) Index file

Apparently it allows one to specify a series of frame numbers to be written to 
the output, e.g. if you wanted non-consecutive frames written together.



Justin A. Lemkul, Ph.D.
Ruth L. Kirschstein NRSA Postdoctoral Fellow

Department of Pharmaceutical Sciences
School of Pharmacy
Health Sciences Facility II, Room 629
University of Maryland, Baltimore
20 Penn St.
Baltimore, MD 21201

jalemkul at outerbanks.umaryland.edu | (410) 706-7441


More information about the gromacs.org_gmx-users mailing list