.. _sphx_glr_auto_examples_1_Spectra_handling:

Calculate and handle spectra
---------------
Computation of spectra, with redondancy of some modules in the examples. Benchmark of the RADIS code can also be found in ``\radis\test\benchmark``.


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    <div class="sphx-glr-thumbnails">


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    <div class="sphx-glr-thumbcontainer" tooltip="Compute Planck&#x27;s blackbody emission and return a RADIS :py~radis.spectrum.spectrum.Spectrum obj...">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_blackbody_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_blackbody.py`

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      <div class="sphx-glr-thumbnail-title">Blackbody radiation</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="Auto-download and calculate CO spectrum from the HITRAN, HITEMP, GEISA, and ExoMol databases. E...">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_compare_CO_exomol_hitemp_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_compare_CO_exomol_hitemp.py`

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      <div class="sphx-glr-thumbnail-title">Compare CO cross-sections from HITRAN, HITEMP, GEISA, and ExoMol</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="GEISA Database has been newly implemented in RADIS 0.13 release on May 15, 2022. This is among ...">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_compare_CO_geisa_hitran_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_compare_CO_geisa_hitran.py`

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      <div class="sphx-glr-thumbnail-title">Compare CO spectrum from the GEISA and HITRAN database</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="Auto-download and compute a SiO spectrum from the ExoMol database ([ExoMol-2020]_)">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_exomol_spectrum_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_exomol_spectrum.py`

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      <div class="sphx-glr-thumbnail-title">Calculate a spectrum from ExoMol</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="We compute the transmittance of an homogeneous, 1-km atmosphere layer at 300 K and 1 atm, with ...">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_full_range_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_full_range.py`

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      <div class="sphx-glr-thumbnail-title">Calculate a full range spectrum</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="In may be faster to calculate a full-range spectrum on several partial spectral ranges, and com...">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_merged_large_spectrum_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_merged_large_spectrum.py`

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      <div class="sphx-glr-thumbnail-title">Calculate a large spectrum by part</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="Compute a CO spectrum with the temperature of the vibrational mode different from the temperatu...">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_nonequilibrium_co_spectrum_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_nonequilibrium_co_spectrum.py`

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      <div class="sphx-glr-thumbnail-title">Calculate non-LTE spectra of carbon-monoxide</div>
    </div>


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    <div class="sphx-glr-thumbcontainer" tooltip="Spectrum methods gives you access to the populations of levels used in a nonequilibrium spectru...">

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  .. image:: /auto_examples/1_Spectra_handling/images/thumb/sphx_glr_plot_populations_thumb.png
    :alt:

  :ref:`sphx_glr_auto_examples_1_Spectra_handling_plot_populations.py`

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      <div class="sphx-glr-thumbnail-title">See populations of computed levels</div>
    </div>


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    </div>


.. toctree::
   :hidden:

   /auto_examples/1_Spectra_handling/plot_blackbody
   /auto_examples/1_Spectra_handling/plot_compare_CO_exomol_hitemp
   /auto_examples/1_Spectra_handling/plot_compare_CO_geisa_hitran
   /auto_examples/1_Spectra_handling/plot_exomol_spectrum
   /auto_examples/1_Spectra_handling/plot_full_range
   /auto_examples/1_Spectra_handling/plot_merged_large_spectrum
   /auto_examples/1_Spectra_handling/plot_nonequilibrium_co_spectrum
   /auto_examples/1_Spectra_handling/plot_populations