other:newppl:starting
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other:newppl:starting [2022/11/29 08:47] jypeter [Text editors] |
other:newppl:starting [2023/03/08 16:33] jypeter [Available servers] Updated ciclad=>spirit |
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| * **[[https://intranet.lsce.ipsl.fr/informatique/en/calcul/batch.php|The LSCE cluster]]** (aka the //batch system//)\\ Use this cluster for really heavy duty programs, rather than killing the multi-users interactive servers | * **[[https://intranet.lsce.ipsl.fr/informatique/en/calcul/batch.php|The LSCE cluster]]** (aka the //batch system//)\\ Use this cluster for really heavy duty programs, rather than killing the multi-users interactive servers | ||
| - | * **The [[http://mesocentre.ipsl.fr/|IPSL/ESPRI Mesocenter servers/clusters]]** (''ciclad'' / ''climserv'' / etc...)\\ You will need an account (different from your //LSCE// account) to access these servers and use data files that are already available/mirrored there (e.g. **''CMIPn'' data**). **Do not duplicate** at LSCE data that is already available on IPSL servers and that you can process there! | + | * **The [[https://documentations.ipsl.fr/spirit/|IPSL Computing and Data Center]]**, aka //Mésocentre ESPRI// (''Spirit'' / ''SpiritX'' / ''HAL'') |
| - | * [[http://mesocentre.ipsl.fr/account-opening/|Requesting a new account]] | + | * Note: the ''Spirit''/''X'' clusters have replaced the ''ciclad''/''climserv'' cluster (in 2022) |
| - | * [[https://documentations.ipsl.fr/MESO_User/|IPSL ESPRI Mesocenter documentation]] (//English//) | + | * You will need a specific account (different from your //LSCE// account) to access these servers and use data files that are already available/mirrored there (e.g. **''CMIPn'' data**).\\ **Do not duplicate** at LSCE data already available on IPSL servers and that you can process there! |
| - | * [[https://mesocentre.ipsl.fr/quick-start/|Utilisation du Mésocentre IPSL]] (//French//, the //English// documentation link above has more information) | + | * [[https://mesocentre.ipsl.fr/account-opening/|Requesting an IPSL account]] |
| + | * [[https://documentations.ipsl.fr/spirit/|IPSL ESPRI Mesocenter documentation]] | ||
| + | * [[https://documentations.ipsl.fr/spirit/spirit_clusters/head_nodes.html|spirit clusters]] | ||
| + | * [[https://documentations.ipsl.fr/spirit/getting_started/support.html|Getting help]] | ||
| * **The ''asterix//NN//'' servers**\\ Some wise LSCE elders may mention these servers, but they don't exist any more! | * **The ''asterix//NN//'' servers**\\ Some wise LSCE elders may mention these servers, but they don't exist any more! | ||
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| [[other:win10apps#notepad|Notepad++]] is a nice and powerful text editor for **Windows**, but it is also very easy to [[other:emacs_doc#windows_installation|install emacs on Windows]] | [[other:win10apps#notepad|Notepad++]] is a nice and powerful text editor for **Windows**, but it is also very easy to [[other:emacs_doc#windows_installation|install emacs on Windows]] | ||
| - | ==== NetCDF and file formats ==== | + | ==== NetCDF and related Conventions ==== |
| + | |||
| + | === Super-short introduction to NetCDF === | ||
| * What are binary ({{:other:newppl:binaire_jyp.pdf}}) and NetCDF ({{:other:newppl:netcdf_jyp.pdf}}) files? | * What are binary ({{:other:newppl:binaire_jyp.pdf}}) and NetCDF ({{:other:newppl:netcdf_jyp.pdf}}) files? | ||
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| * The NetCDF file format is **self-documented**, and the metadata of climate data files often follows the [[http://cfconventions.org/|CF (Climate and Forecast) Metadata Conventions]] | * The NetCDF file format is **self-documented**, and the metadata of climate data files often follows the [[http://cfconventions.org/|CF (Climate and Forecast) Metadata Conventions]] | ||
| * The files in the [[https://esgf-node.ipsl.upmc.fr/projects/esgf-ipsl/|CMIPn (n ≥ 5) database]] are written with the [[https://cmor.llnl.gov/|CMOR 3 library]] in order to make sure that they follow exactly the requested standards | * The files in the [[https://esgf-node.ipsl.upmc.fr/projects/esgf-ipsl/|CMIPn (n ≥ 5) database]] are written with the [[https://cmor.llnl.gov/|CMOR 3 library]] in order to make sure that they follow exactly the requested standards | ||
| - | * You can use [[other:win7apps#panoply|Panoply]] and [[http://meteora.ucsd.edu/~pierce/ncview_home_page.html|ncview]] for visualizing quickly the NetCDF files | + | |
| - | * [[https://code.zmaw.de/projects/cdo/wiki/Cdo#Documentation|Climate Data Operators]] for manipulating NetCDF files (and some other formats) | + | |
| - | * [[http://nco.sourceforge.net/#RTFM|netCDF Operator (NCO)]] for manipulating NetCDF files | + | === Some ways of working with NetCDF without programming === |
| - | * [[http://cfconventions.org/|NetCDF CF (Climate and Forecast) Metadata Conventions]]: this will help you understand the information you get when you do a ''ncdump -h some_climate_data_file.nc'' | + | |
| - | * Using Python to work with NetCDF data: | + | * Displaying the content of a NetCDF file in a text format\\ Check the ''ncdump'' [[https://docs.unidata.ucar.edu/nug/current/netcdf_utilities_guide.html#ncdump_guide|options]]. People usually want to quickly check the metadata, and use other programs to work with the actual data |
| - | * Using the [[http://uv-cdat.llnl.gov/documentation/cdms/cdms.html|cdms2]] module if you work with the [[other:python:starting#uv-cdat|UV-CDAT distribution]] | + | * ''ncdump some_climate_data_file.nc'': dump the full content to text |
| - | * Using the [[http://unidata.github.io/netcdf4-python/|netCDF4]] module | + | * ''ncdump -h some_climate_data_file.nc'': only display the metadata |
| + | * You can use [[other:win7apps#panoply|Panoply]] and [[http://meteora.ucsd.edu/~pierce/ncview_home_page.html|ncview]] for quickly visualizing NetCDF files | ||
| + | * Manipulating NetCDF files: | ||
| + | * [[https://code.zmaw.de/projects/cdo/wiki/Cdo#Documentation|Climate Data Operators]] (''cdo'') | ||
| + | * [[http://nco.sourceforge.net/#RTFM|netCDF Operator]] (//NCO// operators) | ||
| + | |||
| + | |||
| + | === NetCDF related Conventions === | ||
| + | |||
| + | * [[https://arxiv.org/abs/1911.08638|Gridspec: A standard for the description of grids used in Earth System models]] | ||
| + | * A nice document for discovering the different type of (ir)regular grids used in climate models! | ||
| + | |||
| + | * [[http://cfconventions.org/|NetCDF CF (Climate and Forecast) Metadata Conventions]] | ||
| + | * [[https://ugrid-conventions.github.io/ugrid-conventions/|UGRID Conventions]] for storing unstructured (or flexible mesh) model data | ||
| + | * [[http://sgrid.github.io/sgrid/|SGRID Conventions]] for storing staggered data on structured grids that are consistent with the UGRID conventions | ||
| + | |||
| + | === Using NetCDF with Python === | ||
| + | |||
| + | |||
| + | Check the [[other:python:jyp_steps#using_netcdf_files_with_python|dedicated section]] of the //Python// page | ||
| ==== Programming languages ==== | ==== Programming languages ==== | ||
other/newppl/starting.txt · Last modified: 2024/07/19 13:24 by jypeter
