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Installation
------------
You can install the latest stable release of the software via the python package index (pypi)
.. code-block:: bash
pip install pygac
TLE files
~~~~~~~~~
The pygac package requires Two-Line Element files stored per-satellite
in files with names such as TLE_noaa19.txt. The contents should be the
historical TLEs, i.e. a concatenation of just lines 1 and 2 without the
satellite name. For example
.. code-block::
1 23455U 94089A 01122.93455091 .00000622 00000-0 36103-3 0 7210
2 23455 99.1771 113.3063 0008405 277.6106 82.4106 14.12671703326608
1 23455U 94089A 01326.97611660 .00000739 00000-0 42245-3 0 9806
2 23455 99.1886 322.4670 0009980 66.2863 293.9354 14.12871991355419
etc
These can be downloaded from CelesTrak via the `special data request form`_.
.. _special data request form:
https://celestrak.com/NORAD/archives/request.php
Development
~~~~~~~~~~~
For development clone the repository from github and install pygac in editable mode.
.. code-block:: bash
git clone git://github.com/pytroll/pygac
cd pygac
pip install -e .[dev]
It is recommended to activate `pre-commit`_ checks.
.. code-block:: bash
pre-commit install
The test suite can be run using pytest.
.. code-block:: bash
pytest -vs pygac/tests
.. _pre-commit:
https://pre-commit.com/
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