.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/plot_use_vspec_grid.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_auto_examples_plot_use_vspec_grid.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_plot_use_vspec_grid.py:


Use the VSPEC PHOENIX grid
==========================

This example shows how to use the VSPEC grid.

.. GENERATED FROM PYTHON SOURCE LINES 7-15

.. code-block:: Python

    from astropy import units as u
    import numpy as np
    from jax import numpy as jnp
    import matplotlib.pyplot as plt

    from GridPolator import GridSpectra
    from GridPolator import config








.. GENERATED FROM PYTHON SOURCE LINES 16-19

Load the PHOENIX grid
---------------------
Load the default VSPEC PHOENIX grid.

.. GENERATED FROM PYTHON SOURCE LINES 19-32

.. code-block:: Python


    wave_short = 1*u.um
    wave_long = 10*u.um
    resolving_power = 100
    teffs = [3000,3100,3200]

    spec = GridSpectra.from_vspec(
        w1=wave_short,
        w2=wave_long,
        resolving_power=resolving_power,
        teffs=teffs
    )





.. rst-class:: sphx-glr-script-out

 .. code-block:: none


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    Loading Spectra:  33%|███▎      | 1/3 [00:05<00:10,  5.03s/it]PHOENIX grid for 3100 not found. Downloading...


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    Loading Spectra:  67%|██████▋   | 2/3 [00:09<00:04,  4.98s/it]PHOENIX grid for 3200 not found. Downloading...


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    Loading Spectra: 100%|██████████| 3/3 [00:14<00:00,  4.88s/it]
    Loading Spectra: 100%|██████████| 3/3 [00:14<00:00,  4.91s/it]




.. GENERATED FROM PYTHON SOURCE LINES 33-37

Recall a spectrum from the grid
-------------------------------
``GridSpectra`` will resample the grid with your supplied
wavelength array as well as interpolate between :math:`T_{eff}` values.

.. GENERATED FROM PYTHON SOURCE LINES 37-49

.. code-block:: Python

    new_wl:u.Quantity = np.linspace(2,5,40) * u.um
    teff = 3050 * u.K

    new_wl = jnp.array(new_wl.to_value(config.wl_unit))
    teff = jnp.array([teff.to_value(config.teff_unit)])

    flux = spec.evaluate((teff,), new_wl)[0]

    plt.plot(new_wl, flux)
    plt.xlabel(f'Wavelength ({config.wl_unit:latex})')
    _=plt.ylabel(f'Flux ({config.flux_unit:latex})')




.. image-sg:: /auto_examples/images/sphx_glr_plot_use_vspec_grid_001.png
   :alt: plot use vspec grid
   :srcset: /auto_examples/images/sphx_glr_plot_use_vspec_grid_001.png
   :class: sphx-glr-single-img






.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 14.957 seconds)


.. _sphx_glr_download_auto_examples_plot_use_vspec_grid.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: plot_use_vspec_grid.ipynb <plot_use_vspec_grid.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: plot_use_vspec_grid.py <plot_use_vspec_grid.py>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_