Commit 61672409 authored by sjplimp's avatar sjplimp
Browse files

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@15786 f3b2605a-c512-4ea7-a41b-209d697bcdaa
parent 252c52b9
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+4 −1
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@@ -12,6 +12,7 @@ dump command :h3
"dump image"_dump_image.html command :h3
"dump movie"_dump_image.html command :h3
"dump molfile"_dump_molfile.html command :h3
"dump nc"_dump_nc.html command :h3

[Syntax:]

@@ -43,7 +44,9 @@ args = list of arguments for a particular style :l

  {movie} args = discussed on "dump image"_dump_image.html doc page :pre

  {molfile} args = discussed on "dump molfile"_dump_molfile.html doc page :pre
  {molfile} args = discussed on "dump molfile"_dump_molfile.html doc page

  {nc} args = discussed on "dump nc"_dump_nc.html doc page :pre

  {local} args = list of local attributes
    possible attributes = index, c_ID, c_ID\[I\], f_ID, f_ID\[I\]
+21 −19
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@@ -31,30 +31,32 @@ dump 1 all nc/mpiio 1000 traj.nc id type x y z :pre
[Description:]

Dump a snapshot of atom coordinates every N timesteps in Amber-style
NetCDF file format. NetCDF files are binary, portable and self-describing.
This dump style will write only one file on the root node.  The dump
style {nc} uses the "standard NetCDF library"_netcdf-home all data is
collected on one processor and then written to the dump file. Dump style
{nc/mpiio} used the "parallel NetCDF library"_pnetcdf-home and MPI-IO;
it has better performance on a larger number of processors. Note that
'nc' outputs all atoms sorted by atom tag while 'nc/mpiio' outputs in
order of the MPI rank.

In addition to per-atom data, also global (i.e. not per atom, but per frame)
quantities can be included in the dump file. This can be variables, output
from computes or fixes data prefixed with v_, c_ and f_, respectively.
These properties are included via "dump_modify"_dump_modify.html {global}.
NetCDF file format. NetCDF files are binary, portable and
self-describing.  This dump style will write only one file on the root
node.  The dump style {nc} uses the "standard NetCDF
library"_netcdf-home all data is collected on one processor and then
written to the dump file. Dump style {nc/mpiio} used the "parallel
NetCDF library"_pnetcdf-home and MPI-IO; it has better performance on
a larger number of processors. Note that 'nc' outputs all atoms sorted
by atom tag while 'nc/mpiio' outputs in order of the MPI rank.

In addition to per-atom data, also global (i.e. not per atom, but per
frame) quantities can be included in the dump file. This can be
variables, output from computes or fixes data prefixed with v_, c_ and
f_, respectively.  These properties are included via
"dump_modify"_dump_modify.html {global}.

:link(netcdf-home,http://www.unidata.ucar.edu/software/netcdf/)
:link(pnetcdf-home,http://trac.mcs.anl.gov/projects/parallel-netcdf/)

:line

[Restrictions:]

The {nc} and {nc/mpiio} dump styles are part of the USER-NC-DUMP package.
It is only enabled if LAMMPS was built with that package. See the "Making
LAMMPS"_Section_start.html#start_3 section for more info.

:link(netcdf-home,http://www.unidata.ucar.edu/software/netcdf/)
:link(pnetcdf-home,http://trac.mcs.anl.gov/projects/parallel-netcdf/)
The {nc} and {nc/mpiio} dump styles are part of the USER-NC-DUMP
package.  It is only enabled if LAMMPS was built with that
package. See the "Making LAMMPS"_Section_start.html#start_3 section
for more info.

:line