[gmx-users] Problems with trjconv

[Shantanu Maheshwari]

No it will not erase anything from .trr file.

On Mon, Nov 16, 2015 at 12:21 AM, Mishelle Oña <samimishu at hotmail.com>
wrote:

> Ok, but this erase the frame from my trajectory? because i don´t want to
> modify it.
>
> > Date: Mon, 16 Nov 2015 00:10:07 +0100
> > From: shantanu256 at gmail.com
> > To: gmx-users at gromacs.org
> > Subject: Re: [gmx-users] Problems with trjconv
> >
> > If you want to take out only one frame then you can use -dump option.
> >
> > trjconv -f trajcentrada.trr -dump 1646 -o 1646ps.gro
> >
> > On Sun, Nov 15, 2015 at 11:39 PM, Mishelle Oña <samimishu at hotmail.com>
> > wrote:
> >
> > > Yes, but I am not converting all the .trr file to gro I wanted to take
> > > only one frame of the .trr and make it gro. That´s why my command is
> > > trjconv -f trajcentrada.trr -b 1646 -e 1646 -o 1646ps.gro
> > > if the command line above is wrong :( what is the command I should use
> for
> > > taking out only one frame of a trajectory file in gro format
> > > Mishelle
> > >
> > > > From: mark.j.abraham at gmail.com
> > > > Date: Sun, 15 Nov 2015 22:06:38 +0000
> > > > To: gmx-users at gromacs.org
> > > > Subject: Re: [gmx-users] Problems with trjconv
> > > >
> > > > Hi,
> > > >
> > > > Your question had one-word answer, which I gave!  :-) If the size of
> your
> > > > files is worth thinking about, then converting them to gro format is
> not
> > > a
> > > > great idea.
> > > >
> > > > Mark
> > > >
> > > > On Sun, 15 Nov 2015 21:56 Mishelle Oña <samimishu at hotmail.com>
> wrote:
> > > >
> > > > > Eh, I don´t understand what you mean, please  explain me
> .Mishelle:)
> > > > >
> > > > > > From: mark.j.abraham at gmail.com
> > > > > > Date: Sun, 15 Nov 2015 19:28:47 +0000
> > > > > > To: gmx-users at gromacs.org
> > > > > > Subject: Re: [gmx-users] Problems with trjconv
> > > > > >
> > > > > > Hi,
> > > > > >
> > > > > > Certainly. You do not want to convert non-trivial trajectories to
> > > text
> > > > > > format.
> > > > > >
> > > > > > Mark
> > > > > >
> > > > > > On Sun, Nov 15, 2015 at 8:20 PM Mishelle Oña <
> samimishu at hotmail.com>
> > > > > wrote:
> > > > > >
> > > > > > > well, I check and it is the same line of command. The biggest
> file
> > > has
> > > > > > > more weight than the .traj file and it is only a .gro file . Is
> > > this
> > > > > > > posible?
> > > > > > > Mishelle
> > > > > > > > From: mark.j.abraham at gmail.com
> > > > > > > > Date: Sun, 15 Nov 2015 19:15:50 +0000
> > > > > > > > To: gmx-users at gromacs.org
> > > > > > > > Subject: Re: [gmx-users] Problems with trjconv
> > > > > > > >
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > Either you didn't issue the same command (inspect your
> terminal
> > > > > history),
> > > > > > > > or the second operation didn't complete (for any number of
> > > reasons).
> > > > > > > >
> > > > > > > > Mark
> > > > > > > >
> > > > > > > > On Sun, Nov 15, 2015 at 8:13 PM Mishelle Oña <
> > > samimishu at hotmail.com>
> > > > > > > wrote:
> > > > > > > >
> > > > > > > > > Hello, I have a question about trjconv. I have a .trr file
> and
> > > I
> > > > > put
> > > > > > > the
> > > > > > > > > following line of command: trjconv -f trajcentrada.trr -b
> 1646
> > > -e
> > > > > 1646
> > > > > > > -o
> > > > > > > > > 1646ps.gro I got back a file of 13813272703 bytes. Then I
> make
> > > the
> > > > > > > same and
> > > > > > > > > got a file of 506444 bytes. Do you know what is
> > > happening?Mishelle
> > > > > > > > > --
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