--- manual/s_getstarted/text/getting_started.tex 2003/07/30 13:42:52 1.14 +++ manual/s_getstarted/text/getting_started.tex 2004/01/28 20:50:14 1.15 @@ -1,4 +1,4 @@ -% $Header: /home/ubuntu/mnt/e9_copy/manual/s_getstarted/text/getting_started.tex,v 1.14 2003/07/30 13:42:52 edhill Exp $ +% $Header: /home/ubuntu/mnt/e9_copy/manual/s_getstarted/text/getting_started.tex,v 1.15 2004/01/28 20:50:14 edhill Exp $ % $Name: $ %\section{Getting started} @@ -18,23 +18,34 @@ \section{Where to find information} \label{sect:whereToFindInfo} -A web site is maintained for release 1 (Sealion) of MITgcm: +A web site is maintained for release 2 (``Pelican'') of MITgcm: +\begin{rawhtml} \end{rawhtml} \begin{verbatim} -http://mitgcm.org/sealion +http://mitgcm.org/pelican \end{verbatim} +\begin{rawhtml} \end{rawhtml} Here you will find an on-line version of this document, a ``browsable'' copy of the code and a searchable database of the model and site, as well as links for downloading the model and -documentation, to data-sources and other related sites. +documentation, to data-sources, and other related sites. -There is also a support news group for the model that you can email at -\texttt{MITgcm-support@mitgcm.org} or browse at: +There is also a web-archived support mailing list for the model that +you can email at \texttt{MITgcm-support@mitgcm.org} or browse at: +\begin{rawhtml} \end{rawhtml} +\begin{verbatim} +http://mitgcm.org/mailman/listinfo/mitgcm-support/ +http://mitgcm.org/pipermail/mitgcm-support/ +\end{verbatim} +\begin{rawhtml} \end{rawhtml} +Essentially all of the MITgcm web pages can be searched using a +popular web crawler such as Google or through our own search facility: \begin{verbatim} -news://mitgcm.org/mitgcm.support +http://mitgcm.org/htdig/ \end{verbatim} -A mail to the email list will reach all the developers and be archived -on the newsgroup. A users email list will be established at some time -in the future. +\begin{rawhtml} \end{rawhtml} +%%% http://www.google.com/search?q=hydrostatic+site%3Amitgcm.org + + \section{Obtaining the code} \label{sect:obtainingCode} @@ -72,30 +83,52 @@ track of your changes. If CVS is not available on your machine, you can also download a tar file. -Before you can use CVS, the following environment variable has to be set in -your .cshrc or .tcshrc: +Before you can use CVS, the following environment variable(s) should +be set within your shell. For a csh or tcsh shell, put the following +\begin{verbatim} +% setenv CVSROOT :pserver:cvsanon@mitgcm.org:/u/gcmpack +\end{verbatim} +in your .cshrc or .tcshrc file. For bash or sh shells, put: \begin{verbatim} -% setenv CVSROOT :pserver:cvsanon@mitgcm.org:/u/u0/gcmpack +% export CVSROOT=':pserver:cvsanon@mitgcm.org:/u/gcmpack' \end{verbatim} +in your .profile or .bashrc file. -To start using CVS, register with the MITgcm CVS server using command: + +To get MITgcm through CVS, first register with the MITgcm CVS server +using command: \begin{verbatim} % cvs login ( CVS password: cvsanon ) \end{verbatim} -You only need to do ``cvs login'' once. +You only need to do a ``cvs login'' once. -To obtain the sources for release1 type: +To obtain the latest sources type: +\begin{verbatim} +% cvs co MITgcm +\end{verbatim} +or to get a specific release type: \begin{verbatim} % cvs co -d directory -P -r release1_beta1 MITgcm \end{verbatim} +The MITgcm web site contains further directions concerning the source +code and CVS. It also contains a web interface to our CVS archive so +that one may easily view the state of files, revisions, and other +development milestones: +\begin{rawhtml} \end{rawhtml} +\begin{verbatim} +http://mitgcm.org/source_code.html +\end{verbatim} +\begin{rawhtml} \end{rawhtml} -This creates a directory called \textit{directory}. If \textit{directory} -exists this command updates your code based on the repository. Each -directory in the source tree contains a directory \textit{CVS}. This -information is required by CVS to keep track of your file versions with -respect to the repository. Don't edit the files in \textit{CVS}! -You can also use CVS to download code updates. More extensive -information on using CVS for maintaining MITgcm code can be found + +The checkout process creates a directory called \textit{MITgcm}. If +the directory \textit{MITgcm} exists this command updates your code +based on the repository. Each directory in the source tree contains a +directory \textit{CVS}. This information is required by CVS to keep +track of your file versions with respect to the repository. Don't edit +the files in \textit{CVS}! You can also use CVS to download code +updates. More extensive information on using CVS for maintaining +MITgcm code can be found \begin{rawhtml} \end{rawhtml} here \begin{rawhtml} \end{rawhtml} @@ -106,7 +139,7 @@ \label{sect:conventionalDownload} If you do not have CVS on your system, you can download the model as a -tar file from the reference web site at: +tar file from the web site at: \begin{rawhtml} \end{rawhtml} \begin{verbatim} http://mitgcm.org/download/ @@ -114,7 +147,9 @@ \begin{rawhtml} \end{rawhtml} The tar file still contains CVS information which we urge you not to delete; even if you do not use CVS yourself the information can help -us if you should need to send us your copy of the code. +us if you should need to send us your copy of the code. If a recent +tar file does not exist, then please contact the developers through +the MITgcm-support list. \paragraph*{Upgrading from an earlier version} @@ -124,7 +159,7 @@ \begin{verbatim} % cd MITgcm \end{verbatim} -and then issue the cvs update command: +and then issue the cvs update command such as: \begin{verbatim} % cvs -q update -r release1_beta1 -d -P \end{verbatim} @@ -140,8 +175,8 @@ \end{verbatim} If the list of conflicts scrolled off the screen, you can re-issue the cvs update command and it will report the conflicts. Conflicts are -indicated in the code by the delimites ``<<<<<<<'', ``======='' and -``>>>>>>>''. For example, +indicated in the code by the delimites ``$<<<<<<<$'', ``======='' and +``$>>>>>>>$''. For example, \begin{verbatim} <<<<<<< ini_parms.F & bottomDragLinear,myOwnBottomDragCoefficient, @@ -156,7 +191,7 @@ \begin{verbatim} & bottomDragLinear,bottomDragQuadratic,myOwnBottomDragCoefficient, \end{verbatim} -and the lines with the delimiters (<<<<<<,======,>>>>>>) be deleted. +and the lines with the delimiters ($<<<<<<$,======,$>>>>>>$) be deleted. Unless you are making modifications which exactly parallel developments we make, these types of conflicts should be rare. @@ -223,7 +258,7 @@ in detail in section 3. \item \textit{tools}: this directory contains various useful tools. For -example, \textit{genmake} is a script written in csh (C-shell) that should +example, \textit{genmake2} is a script written in csh (C-shell) that should be used to generate your makefile. The directory \textit{adjoint} contains the makefile specific to the Tangent linear and Adjoint Compiler (TAMC) that generates the adjoint code. The latter is described in details in part V. @@ -243,99 +278,102 @@ \section{Example experiments} \label{sect:modelExamples} -The MITgcm distribution comes with a set of twenty-four pre-configured -numerical experiments. Some of these examples experiments are tests of -individual parts of the model code, but many are fully fledged numerical -simulations. A few of the examples are used for tutorial documentation -in sections \ref{sect:eg-baro} - \ref{sect:eg-global}. The other examples -follow the same general structure as the tutorial examples. However, -they only include brief instructions in a text file called {\it README}. -The examples are located in subdirectories under -the directory \textit{verification}. Each -example is briefly described below. +%% a set of twenty-four pre-configured numerical experiments + +The MITgcm distribution comes with more than a dozen pre-configured +numerical experiments. Some of these example experiments are tests of +individual parts of the model code, but many are fully fledged +numerical simulations. A few of the examples are used for tutorial +documentation in sections \ref{sect:eg-baro} - \ref{sect:eg-global}. +The other examples follow the same general structure as the tutorial +examples. However, they only include brief instructions in a text file +called {\it README}. The examples are located in subdirectories under +the directory \textit{verification}. Each example is briefly described +below. \subsection{Full list of model examples} \begin{enumerate} \item \textit{exp0} - single layer, ocean double gyre (barotropic with -free-surface). This experiment is described in detail in section -\ref{sect:eg-baro}. - -\item \textit{exp1} - Four layer, ocean double gyre. This experiment is described in detail in section -\ref{sect:eg-baroc}. + free-surface). This experiment is described in detail in section + \ref{sect:eg-baro}. +\item \textit{exp1} - Four layer, ocean double gyre. This experiment + is described in detail in section \ref{sect:eg-baroc}. + \item \textit{exp2} - 4x4 degree global ocean simulation with steady -climatological forcing. This experiment is described in detail in section -\ref{sect:eg-global}. - -\item \textit{exp4} - Flow over a Gaussian bump in open-water or channel -with open boundaries. - -\item \textit{exp5} - Inhomogenously forced ocean convection in a doubly -periodic box. + climatological forcing. This experiment is described in detail in + section \ref{sect:eg-global}. + +\item \textit{exp4} - Flow over a Gaussian bump in open-water or + channel with open boundaries. + +\item \textit{exp5} - Inhomogenously forced ocean convection in a + doubly periodic box. \item \textit{front\_relax} - Relaxation of an ocean thermal front (test for Gent/McWilliams scheme). 2D (Y-Z). -\item \textit{internal wave} - Ocean internal wave forced by open boundary -conditions. - +\item \textit{internal wave} - Ocean internal wave forced by open + boundary conditions. + \item \textit{natl\_box} - Eastern subtropical North Atlantic with KPP -scheme; 1 month integration - -\item \textit{hs94.1x64x5} - Zonal averaged atmosphere using Held and Suarez -'94 forcing. - -\item \textit{hs94.128x64x5} - 3D atmosphere dynamics using Held and Suarez -'94 forcing. - + scheme; 1 month integration + +\item \textit{hs94.1x64x5} - Zonal averaged atmosphere using Held and + Suarez '94 forcing. + +\item \textit{hs94.128x64x5} - 3D atmosphere dynamics using Held and + Suarez '94 forcing. + \item \textit{hs94.cs-32x32x5} - 3D atmosphere dynamics using Held and -Suarez '94 forcing on the cubed sphere. - -\item \textit{aim.5l\_zon-ave} - Intermediate Atmospheric physics. Global -Zonal Mean configuration, 1x64x5 resolution. - -\item \textit{aim.5l\_XZ\_Equatorial\_Slice} - Intermediate Atmospheric -physics, equatorial Slice configuration. -2D (X-Z). - + Suarez '94 forcing on the cubed sphere. + +\item \textit{aim.5l\_zon-ave} - Intermediate Atmospheric physics. + Global Zonal Mean configuration, 1x64x5 resolution. + +\item \textit{aim.5l\_XZ\_Equatorial\_Slice} - Intermediate + Atmospheric physics, equatorial Slice configuration. 2D (X-Z). + \item \textit{aim.5l\_Equatorial\_Channel} - Intermediate Atmospheric -physics. 3D Equatorial Channel configuration. - + physics. 3D Equatorial Channel configuration. + \item \textit{aim.5l\_LatLon} - Intermediate Atmospheric physics. -Global configuration, on latitude longitude grid with 128x64x5 grid points -($2.8^\circ{\rm degree}$ resolution). - -\item \textit{adjustment.128x64x1} Barotropic adjustment -problem on latitude longitude grid with 128x64 grid points ($2.8^\circ{\rm degree}$ resolution). - -\item \textit{adjustment.cs-32x32x1} -Barotropic adjustment -problem on cube sphere grid with 32x32 points per face ( roughly -$2.8^\circ{\rm degree}$ resolution). - + Global configuration, on latitude longitude grid with 128x64x5 grid + points ($2.8^\circ{\rm degree}$ resolution). + +\item \textit{adjustment.128x64x1} Barotropic adjustment problem on + latitude longitude grid with 128x64 grid points ($2.8^\circ{\rm + degree}$ resolution). + +\item \textit{adjustment.cs-32x32x1} Barotropic adjustment problem on + cube sphere grid with 32x32 points per face ( roughly $2.8^\circ{\rm + degree}$ resolution). + \item \textit{advect\_cs} Two-dimensional passive advection test on -cube sphere grid. - -\item \textit{advect\_xy} Two-dimensional (horizontal plane) passive advection -test on Cartesian grid. - -\item \textit{advect\_yz} Two-dimensional (vertical plane) passive advection test on Cartesian grid. - -\item \textit{carbon} Simple passive tracer experiment. Includes derivative -calculation. Described in detail in section \ref{sect:eg-carbon-ad}. + cube sphere grid. + +\item \textit{advect\_xy} Two-dimensional (horizontal plane) passive + advection test on Cartesian grid. + +\item \textit{advect\_yz} Two-dimensional (vertical plane) passive + advection test on Cartesian grid. + +\item \textit{carbon} Simple passive tracer experiment. Includes + derivative calculation. Described in detail in section + \ref{sect:eg-carbon-ad}. \item \textit{flt\_example} Example of using float package. - -\item \textit{global\_ocean.90x40x15} Global circulation with -GM, flux boundary conditions and poles. + +\item \textit{global\_ocean.90x40x15} Global circulation with GM, flux + boundary conditions and poles. \item \textit{global\_ocean\_pressure} Global circulation in pressure coordinate (non-Boussinesq ocean model). Described in detail in section \ref{sect:eg-globalpressure}. - -\item \textit{solid-body.cs-32x32x1} Solid body rotation test for cube sphere -grid. + +\item \textit{solid-body.cs-32x32x1} Solid body rotation test for cube + sphere grid. \end{enumerate} @@ -348,35 +386,37 @@ minimum, this directory includes the following files: \begin{itemize} -\item \textit{code/CPP\_EEOPTIONS.h}: declares CPP keys relative to the -``execution environment'' part of the code. The default version is located -in \textit{eesupp/inc}. - +\item \textit{code/CPP\_EEOPTIONS.h}: declares CPP keys relative to + the ``execution environment'' part of the code. The default version + is located in \textit{eesupp/inc}. + \item \textit{code/CPP\_OPTIONS.h}: declares CPP keys relative to the -``numerical model'' part of the code. The default version is located in -\textit{model/inc}. - -\item \textit{code/SIZE.h}: declares size of underlying computational grid. -The default version is located in \textit{model/inc}. + ``numerical model'' part of the code. The default version is located + in \textit{model/inc}. + +\item \textit{code/SIZE.h}: declares size of underlying computational + grid. The default version is located in \textit{model/inc}. \end{itemize} -In addition, other include files and subroutines might be present in \textit{% -code} depending on the particular experiment. See section 2 for more details. - -\item \textit{input}: contains the input data files required to run the -example. At a minimum, the \textit{input} directory contains the following -files: +In addition, other include files and subroutines might be present in +\textit{code} depending on the particular experiment. See Section 2 +for more details. + +\item \textit{input}: contains the input data files required to run + the example. At a minimum, the \textit{input} directory contains the + following files: \begin{itemize} -\item \textit{input/data}: this file, written as a namelist, specifies the -main parameters for the experiment. - -\item \textit{input/data.pkg}: contains parameters relative to the packages -used in the experiment. - -\item \textit{input/eedata}: this file contains ``execution environment'' -data. At present, this consists of a specification of the number of threads -to use in $X$ and $Y$ under multithreaded execution. +\item \textit{input/data}: this file, written as a namelist, specifies + the main parameters for the experiment. + +\item \textit{input/data.pkg}: contains parameters relative to the + packages used in the experiment. + +\item \textit{input/eedata}: this file contains ``execution + environment'' data. At present, this consists of a specification of + the number of threads to use in $X$ and $Y$ under multithreaded + execution. \end{itemize} In addition, you will also find in this directory the forcing and topography