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\chapter{Diagnostics and tools} |
\chapter{Diagnostics and I/O - Packages II, and Post--Processing Utilities} |
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There are numerous tools for pre-processing data, converting model |
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output and analysis written in Matlab, fortran (f77 and f90) and perl. |
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As yet they remain undocumented although many are self-documenting |
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(Matlab routines have "help" written into them). |
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Here we'll summarize what is available but this is an ever growing resource |
MITgcm has several packages related to the input and output consumed |
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so this may not cover everything that is out there: |
and produced during a model integration. The packages used are related |
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to the choice of input/output fields and the on-disk format of the model |
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output. |
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\section{Utilities supplied with the model} |
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\input{s_outp_pkgs/text/diagnostics.tex} |
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We supply some basic scripts with the model to facilitate conversion or reading |
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of data into analysis software. |
\input{s_outp_pkgs/text/mnc.tex} |
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\subsection{utils/scripts} |
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\input{s_outp_pkgs/text/mdsio.tex} |
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In the directory {\em utils/scripts} you will find {\em joinds} and {\em joinmds}: |
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these are perl scripts used from joining the multi-part files created by |
\input{s_outp_pkgs/text/monitor.tex} |
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MITgcm. {\bf Use {\em joinmds} always}. You will only need {\em joinds} if you |
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are working with output older than two years (prior to c23). |
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\subsection{utils/matlab} |
\newpage |
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\input{s_outp_pkgs/text/grid_gen.tex} |
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In the directory {\em utils/matlab} you will find several Matlab scripts |
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(.m or dot-em files). The priniciple script is {\em rdmds.m} used for reading |
\input{s_outp_pkgs/text/scripts_and_utils.tex} |
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the multi-part model output files in to matlab. Place the scripts in your |
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matlab path or change the path appropriately, then at the matlab prompt type: |
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\begin{verbatim} |
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>> help rdmds |
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\end{verbatim} |
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to get help on how to use rdmds. |
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Another useful script scans the terminal output file for "monitor" information. |
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\input{s_outp_pkgs/text/pvdiag.tex} |
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Most other scripts are for working in the curvilinear coordinate systems which |
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as yet are unpublished and undocumented. |
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\section{Pre-processing software} |
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There is a suite of pre-processing software for intepolating bathymetry |
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and forcing data, written by Adcroft and Biastoch. At some point, |
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these will be made available for download. If you are in need of such |
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software, contact one of them. |
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