[gmx-users] trjconv -f .cpt -s .tpr -o .gro

chris.neale at utoronto.ca chris.neale at utoronto.ca
Thu Nov 6 04:24:15 CET 2008


Hello,

has anybody successfully used trjconv to obtain a .gro file from a  
.cpt file in gromacs 4.0?

Thanks,
Chris.

[cneale at rb17 16core]$ /work/cneale/exe/gromacs-4.0/exec/bin/trjconv -f  
test.xtc -s test.tpr -o my.gro
                          :-)  G  R  O  M  A  C  S  (-:

         Getting the Right Output Means no Artefacts in Calculating Stuff

                              :-)  VERSION 4.0  (-:


       Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
        Copyright (c) 1991-2000, University of Groningen, The Netherlands.
              Copyright (c) 2001-2008, The GROMACS development team,
             check out http://www.gromacs.org for more information.

          This program is free software; you can redistribute it and/or
           modify it under the terms of the GNU General Public License
          as published by the Free Software Foundation; either version 2
              of the License, or (at your option) any later version.

             :-)  /work/cneale/exe/gromacs-4.0/exec/bin/trjconv  (-:

Option     Filename  Type         Description
------------------------------------------------------------
   -f       test.xtc  Input        Trajectory: xtc trr trj gro g96 pdb cpt
   -o         my.gro  Output       Trajectory: xtc trr trj gro g96 pdb
   -s       test.tpr  Input, Opt!  Structure+mass(db): tpr tpb tpa gro g96 pdb
   -n      index.ndx  Input, Opt.  Index file
  -fr     frames.ndx  Input, Opt.  Index file
-sub    cluster.ndx  Input, Opt.  Index file
-drop      drop.xvg  Input, Opt.  xvgr/xmgr file

Option       Type   Value   Description
------------------------------------------------------
-[no]h       bool   no      Print help info and quit
-nice        int    19      Set the nicelevel
-b           time   0       First frame (ps) to read from trajectory
-e           time   0       Last frame (ps) to read from trajectory
-tu          enum   ps      Time unit: ps, fs, ns, us, ms or s
-[no]w       bool   no      View output xvg, xpm, eps and pdb files
-[no]xvgr    bool   yes     Add specific codes (legends etc.) in the output
                             xvg files for the xmgrace program
-skip        int    1       Only write every nr-th frame
-dt          time   0       Only write frame when t MOD dt = first time (ps)
-dump        time   -1      Dump frame nearest specified time (ps)
-t0          time   0       Starting time (ps) (default: don't change)
-timestep    time   0       Change time step between input frames (ps)
-pbc         enum   none    PBC treatment (see help text for full
                             description): none, mol, res, atom, nojump,
                             cluster or whole
-ur          enum   rect    Unit-cell representation: rect, tric or compact
-[no]center  bool   no      Center atoms in box
-boxcenter   enum   tric    Center for -pbc and -center: tric, rect or zero
-box         vector 0 0 0   Size for new cubic box (default: read from input)
-trans       vector 0 0 0   All coordinates will be translated by trans. This
                             can advantageously be combined with -pbc mol -ur
                             compact.
-shift       vector 0 0 0   All coordinates will be shifted by framenr*shift
-fit         enum   none    Fit molecule to ref structure in the structure
                             file: none, rot+trans, rotxy+transxy, translation
                             or progressive
-ndec        int    3       Precision for .xtc and .gro writing in number of
                             decimal places
-[no]vel     bool   yes     Read and write velocities if possible
-[no]force   bool   no      Read and write forces if possible
-trunc       time   -1      Truncate input trj file after this time (ps)
-exec        string         Execute command for every output frame with the
                             frame number as argument
-[no]app     bool   no      Append output
-split       time   0       Start writing new file when t MOD split = first
                             time (ps)
-[no]sep     bool   no      Write each frame to a separate .gro, .g96 or .pdb
                             file
-nzero       int    0       Prepend file number in case you use the -sep flag
                             with this number of zeroes
-[no]ter     bool   no      Use 'TER' in pdb file as end of frame in stead of
                             default 'ENDMDL'
-dropunder   real   0       Drop all frames below this value
-dropover    real   0       Drop all frames above this value

Will write gro: Coordinate file in Gromos-87 format
Reading file test.tpr, VERSION 4.0 (single precision)
Reading file test.tpr, VERSION 4.0 (single precision)
Select group for output
Opening library file /home/cneale/gromacs/top/aminoacids.dat
Group     0 (      System) has 59152 elements
Group     1 (     Protein) has  5060 elements
Group     2 (   Protein-H) has  2636 elements
Group     3 (     C-alpha) has   314 elements
Group     4 (    Backbone) has   942 elements
Group     5 (   MainChain) has  1258 elements
Group     6 (MainChain+Cb) has  1542 elements
Group     7 ( MainChain+H) has  1556 elements
Group     8 (   SideChain) has  3504 elements
Group     9 ( SideChain-H) has  1378 elements
Group    10 ( Prot-Masses) has  5060 elements
Group    11 ( Non-Protein) has 54092 elements
Group    12 (        POPC) has 13728 elements
Group    13 (         SOL) has 40360 elements
Group    14 (         NA+) has     4 elements
Group    15 (       Other) has 54092 elements
Select a group: 0
Selected 0: 'System'
Reading frame       0 time 1400.000
Precision of test.xtc is 0.001 (nm)
Using output precision of 0.001 (nm)
Reading frame       7 time 1470.000    ->  frame      7 time 1470.000
[cneale at rb17 16core]$ /work/cneale/exe/gromacs-4.0/exec/bin/trjconv -f  
test.cpt -s test.tpr -o my.gro
                          :-)  G  R  O  M  A  C  S  (-:

                               S  C  A  M  O  R  G

                              :-)  VERSION 4.0  (-:


       Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
        Copyright (c) 1991-2000, University of Groningen, The Netherlands.
              Copyright (c) 2001-2008, The GROMACS development team,
             check out http://www.gromacs.org for more information.

          This program is free software; you can redistribute it and/or
           modify it under the terms of the GNU General Public License
          as published by the Free Software Foundation; either version 2
              of the License, or (at your option) any later version.

             :-)  /work/cneale/exe/gromacs-4.0/exec/bin/trjconv  (-:

Option     Filename  Type         Description
------------------------------------------------------------
   -f       test.cpt  Input        Trajectory: xtc trr trj gro g96 pdb cpt
   -o         my.gro  Output       Trajectory: xtc trr trj gro g96 pdb
   -s       test.tpr  Input, Opt!  Structure+mass(db): tpr tpb tpa gro g96 pdb
   -n      index.ndx  Input, Opt.  Index file
  -fr     frames.ndx  Input, Opt.  Index file
-sub    cluster.ndx  Input, Opt.  Index file
-drop      drop.xvg  Input, Opt.  xvgr/xmgr file

Option       Type   Value   Description
------------------------------------------------------
-[no]h       bool   no      Print help info and quit
-nice        int    19      Set the nicelevel
-b           time   0       First frame (ps) to read from trajectory
-e           time   0       Last frame (ps) to read from trajectory
-tu          enum   ps      Time unit: ps, fs, ns, us, ms or s
-[no]w       bool   no      View output xvg, xpm, eps and pdb files
-[no]xvgr    bool   yes     Add specific codes (legends etc.) in the output
                             xvg files for the xmgrace program
-skip        int    1       Only write every nr-th frame
-dt          time   0       Only write frame when t MOD dt = first time (ps)
-dump        time   -1      Dump frame nearest specified time (ps)
-t0          time   0       Starting time (ps) (default: don't change)
-timestep    time   0       Change time step between input frames (ps)
-pbc         enum   none    PBC treatment (see help text for full
                             description): none, mol, res, atom, nojump,
                             cluster or whole
-ur          enum   rect    Unit-cell representation: rect, tric or compact
-[no]center  bool   no      Center atoms in box
-boxcenter   enum   tric    Center for -pbc and -center: tric, rect or zero
-box         vector 0 0 0   Size for new cubic box (default: read from input)
-trans       vector 0 0 0   All coordinates will be translated by trans. This
                             can advantageously be combined with -pbc mol -ur
                             compact.
-shift       vector 0 0 0   All coordinates will be shifted by framenr*shift
-fit         enum   none    Fit molecule to ref structure in the structure
                             file: none, rot+trans, rotxy+transxy, translation
                             or progressive
-ndec        int    3       Precision for .xtc and .gro writing in number of
                             decimal places
-[no]vel     bool   yes     Read and write velocities if possible
-[no]force   bool   no      Read and write forces if possible
-trunc       time   -1      Truncate input trj file after this time (ps)
-exec        string         Execute command for every output frame with the
                             frame number as argument
-[no]app     bool   no      Append output
-split       time   0       Start writing new file when t MOD split = first
                             time (ps)
-[no]sep     bool   no      Write each frame to a separate .gro, .g96 or .pdb
                             file
-nzero       int    0       Prepend file number in case you use the -sep flag
                             with this number of zeroes
-[no]ter     bool   no      Use 'TER' in pdb file as end of frame in stead of
                             default 'ENDMDL'
-dropunder   real   0       Drop all frames below this value
-dropover    real   0       Drop all frames above this value

Will write gro: Coordinate file in Gromos-87 format
Reading file test.tpr, VERSION 4.0 (single precision)
Reading file test.tpr, VERSION 4.0 (single precision)
Select group for output
Opening library file /home/cneale/gromacs/top/aminoacids.dat
Group     0 (      System) has 59152 elements
Group     1 (     Protein) has  5060 elements
Group     2 (   Protein-H) has  2636 elements
Group     3 (     C-alpha) has   314 elements
Group     4 (    Backbone) has   942 elements
Group     5 (   MainChain) has  1258 elements
Group     6 (MainChain+Cb) has  1542 elements
Group     7 ( MainChain+H) has  1556 elements
Group     8 (   SideChain) has  3504 elements
Group     9 ( SideChain-H) has  1378 elements
Group    10 ( Prot-Masses) has  5060 elements
Group    11 ( Non-Protein) has 54092 elements
Group    12 (        POPC) has 13728 elements
Group    13 (         SOL) has 40360 elements
Group    14 (         NA+) has     4 elements
Group    15 (       Other) has 54092 elements
Select a group: 0
Selected 0: 'System'
Segmentation fault





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