/[MITgcm]/manual/s_outp_pkgs/text/mdsio.tex
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revision 1.4 by edhill, Fri Sep 2 02:24:58 2005 UTC revision 1.7 by jmc, Mon Aug 30 23:09:21 2010 UTC
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2  % $Name$  % $Name$
3    
4    
5  \section{Fortran Binary I/O: MDSIO and RW}  \section{Fortran Native I/O: MDSIO and RW}
6  \label{sec:mdsio_and_rw}  \label{sec:mdsio_and_rw}
7    
8    
# Line 11  Line 11 
11  \begin{rawhtml}  \begin{rawhtml}
12  <!-- CMIREDIR:package_mdsio: -->  <!-- CMIREDIR:package_mdsio: -->
13  \end{rawhtml}  \end{rawhtml}
 \label{sec:pkg:rw}  
14    
15  \subsubsection{Introduction}  \subsubsection{Introduction}
16  The \texttt{mdsio} package contains a group of Fortran routines  The \texttt{mdsio} package contains a group of Fortran routines
# Line 165  package features and limitations: Line 164  package features and limitations:
164    multiple threads or MPI processes simultaneously writing to the same    multiple threads or MPI processes simultaneously writing to the same
165    file.    file.
166    
167  \item[Meta-data] is written on a per-file basis using a second file  \item[Meta-data] is written by MITgcm on a per-file basis using a
168    with a \texttt{.meta} extension as described above.  One should be    second file with a \texttt{.meta} extension as described above.
169    careful not to delete the metadata files when using convenient    MITgcm itself does not read the \texttt{*.meta} files, they are
170    MatLAB post-processing scripts such as \texttt{rdmds()}.    there primarly for convenience during post-processing.  One should
171      be careful not to delete the meta-data files when using MatLAB
172      post-processing scripts such as \texttt{rdmds()} since it relies
173      upon them.
174    
175  \item[Numerous files] can be written by \texttt{mdsio} due to its  \item[Numerous files] can be written by \texttt{mdsio} due to its
176    typically per-time-step and per-variable orientation.  The creation of    typically per-time-step and per-variable orientation.  The creation of
177    both a binary (\texttt{*.data}) and ASCII text meta--data    both a binary (\texttt{*.data}) and ASCII text meta-data
178    (\texttt{*.meta}) file for each output type step tends to exacerbate    (\texttt{*.meta}) file for each output type step tends to exacerbate
179    the problem.  Some (mostly, older) operating systems do not    the problem.  Some (mostly, older) operating systems do not
180    gracefully handle large numbers (\textit{eg.} many thousands) of    gracefully handle large numbers (\textit{eg.} many thousands) of
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