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Libsim is a collection of Fortran libraries and command-line tools.
The libraries include a general purpose ''base'' library with modules for handling character variables, csv files, command-line arguments, physical constants, date and time computations, georeferenced coordinates, growable arrays and list structures of any type and other.
Another set of libraries is specific to Meteorology and Earth Science and allows to work with gridded and sparse georeferenced data, perform interpolations, statistical processing in time, data quality control, thermodynamic computations.
The ready-to-use command-line tools allow to perform many kinds of space interpolations and time computations on georeferenced data in GRIB and BUFR format.
Libsim strongly relies on DB-All.e/wreport for handling sparse point data and on ECMWF grib_api for gridded data in GRIB format. It can also understand shapefiles and all the Gdal-supported raster formats.
Libsim is written in modern object-oriented-style Fortran 90; since its development started in 2006, only a few modules have been written with real O-O F2003 syntax.
The package is meant to be built on Linux with the GNU Compiler Collection (gcc/gfortran, etc.). With limitations, it can be built also on other POSIX-compliant operating systems and/or with other Fortran compilers.
The build process is not trivial and requires the installation of many depending packages.
The SMND package provides a framework for compiling the main libsim dependencies and libsim itself, as well as an universal binary package suitable to be installed on a generic state-of-the-art x86_64 Linux system.
The documentation for all command-line tools can be found in their
manpage. All command-line tools also have extensive command-line help
that can be accessed using the "--help" option.
The help/man pages for some of the command-line tools are also published in the github wiki:
- [v7d_transform](v7d_transform manpage)
- [vg6d_getpoint](vg6d_getpoint manpage)
- [vg6d_transform](vg6d_transform manpage).
The Fortran API documentation is not available online at the moment, it can be generated in the package build process through doxygen.
The authors of libsim are: Davide Cesari dcesari@arpa.emr.it Paolo Patruno ppatruno@arpa.emr.it
libsim is Copyright (C) 2010 ARPA-SIM urpsim@smr.arpa.emr.it
Libsim is licensed under the terms of the GNU General Public License version 2 or successive. Please see the file COPYING for details.
Contact informations for ARPA-SIMC (formerly ARPA-SIM):
Agenzia Regionale Prevenzione e Ambiente (ARPA) Servizio Idro-Meteo-Clima (SIMC)
Address: Viale Silvani 6, 40122 Bologna, Italy Tel: + 39 051 6497511 Fax: + 39 051 6497501 Email: urpsim@smr.arpa.emr.it Website: http://www.arpa.emr.it/sim/