IRI2016 International Reference Ionosphere from Python
Project description
IRI2016 ionosphere model from Python and Matlab
Python and Matlab interfaces to the International Reference Ionosphere (IRI) 2016 model. A Fortran compiler is required to build the IRI2016 code.
Install
Prerequisites
- Fortran compiler--any modern Fortran compiler will do. Here's how to get Gfortran:
- Linux:
apt install gfortran
- Mac:
brew install gcc
- Windows: consider MSYS2
- Linux:
and then install latest release:
pip install iri2016
if you want the latest development version:
git clone https://github.com/space-physics/iri2016
pip install -e iri2016
This Python wrapper of IRI2016 uses our build-on-run technique.
On the first import iri2016
the Fortran code is built.
If you have errors about building on the first run, ensure that your Fortran compiler is specified in environment variable FC--this is what most build systems use to indicate the desired Fortran compiler (name or full path).
Manual build
This should not be necessary, but is included for troubleshooting purposes. This assumess you have a local copy of IRI2016 like:
git clone https://github.com/space-physics/iri2016
ctest -S iri2016/src/iri2016/setup.cmake -VV
Usage
-
Altitude Profile: plot density and temperatures vs altitude
iri2016_altitude 2003-11-21T12 -11.95 -76.77
-
Latitude profile: plot densities and height at the peak of F2, F2, and E regions vs geographic latitude
iri2016_latitude 2004-11-21T17 -76.77
-
Time profile: plot densities and height at the peak of F2, F2, and E regions vs UTC
iri2016_time 2014-11-21 2014-11-22 1 -11.95 -76.77
-
Latitude vs Longitude: plot of foF2 a function of geographic latitude and longitude
setting JF flags
irisub.for has a few dozen logical flags stored in variable JF. To reconfigure those flags, edit iri2016_driver.f90 and recompile iri2016_driver.exe.
Matlab
IRI2016 is readily accessible from Matlab. From within Matlab verify everything is working by:
iri2016.test_unit
The Examples directory has simple example use with plots.
Data files
iri2016/iri2016/data/index/{apf107,ig_rz}.dat
are
regularly updated.
Currently we don't auto-update those.
Notes
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