# API Reference

The top-level `nf2` package exposes the stable public access points. Lower-level modules remain available for advanced use cases, but user code should prefer these helpers.

```{eval-rst}
.. automodule:: nf2
   :members:

.. autoclass:: nf2.CartesianOutput
   :members:

.. autoclass:: nf2.SphericalOutput
   :members:

.. automodule:: nf2.export
   :members:

.. automodule:: nf2.metrics
   :members:

.. automodule:: nf2.data.download
   :members: download_hmi_sharp, download_hmi_full_disk, download_hmi_synoptic
```