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Horizontal Wind Model 1993 in Python

Project description

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HWM93 in Python

NASA Horizontal Wind Model HWM93 in Python ≥ 3.6

image

Works with many Fortran compilers, including:

  • Gfortran 5, 6, 7, 8
  • Intel ifort
  • PGI pgf90
  • Nvidia flang

Install

pip install -e .

test by

pytest -sv

Usage

HWM93 can be used from the command line or as an imported Python module in other programs. Matlab ≥ R2014b also can use HWM93.

Command line

RunHWM93 -h

Write data to NetCDF (HDF5) with -o option.

import module

import hwm93
from datetime import datetime

winds = hwm93.run(t=datetime(2017,11,12,8), altkm=150., 
                    glat=65., glon=-148., f107a=150, f107=150, ap=4)

winds is an xarray.Dataset

 <xarray.Dataset>
Dimensions:     (alt_km: 1)
Coordinates:
  * alt_km      (alt_km) float64 150.0
Data variables:
    meridional  (alt_km) float64 4.827
    zonal       (alt_km) float64 -20.5
Attributes:
    time:     2017-11-12T08:00:00
    glat:     65.0
    glon:     -148.0

If you want just a single variable, say

print(winds.zonal.values)

Matlab

You can import this Python module from Matlab ≥ R2014b as in hwm93.m

Notes

[Optional] Fortran-only use

Most users don't need this.

cd bin
cmake ..
cmake --build .
ctest -V

or

f2py -c src/hwm93_sub.f  -m hwm93 only: gws5 :

Reference

Original A. E. Hedin Fortran 77 HWM93 code

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