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

.. only:: html

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

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

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

.. _sphx_glr_tutorials_reading_pre_stack_data.py:


01. Reading pre-stack data
==========================
This tutorial explains how to read a SEGY file with unstructured data.

.. GENERATED FROM PYTHON SOURCE LINES 6-10

.. code-block:: Python


    import matplotlib.pyplot as plt
    import segyio








.. GENERATED FROM PYTHON SOURCE LINES 11-12

Let's first define the file name and open it with `segyio`

.. GENERATED FROM PYTHON SOURCE LINES 12-17

.. code-block:: Python


    segyfile = 'viking_small.segy'

    f = segyio.open(segyfile, ignore_geometry=True)








.. GENERATED FROM PYTHON SOURCE LINES 18-19

Set up a figure and plot a few shot gathers

.. GENERATED FROM PYTHON SOURCE LINES 19-31

.. code-block:: Python


    clip = 1e+2
    vmin, vmax = -clip, clip

    # Figure
    figsize=(20, 20)
    fig, axs = plt.subplots(nrows=1, ncols=1, figsize=figsize, facecolor='w', edgecolor='k',
                           squeeze=False,
                           sharex=True)
    axs = axs.ravel()
    im = axs[0].imshow(f.trace.raw[:].T, cmap=plt.cm.seismic, vmin=vmin, vmax=vmax)




.. image-sg:: /tutorials/images/sphx_glr_reading_pre_stack_data_001.png
   :alt: reading pre stack data
   :srcset: /tutorials/images/sphx_glr_reading_pre_stack_data_001.png
   :class: sphx-glr-single-img





.. GENERATED FROM PYTHON SOURCE LINES 32-33

Close the file

.. GENERATED FROM PYTHON SOURCE LINES 33-35

.. code-block:: Python


    f.close()








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

   **Total running time of the script:** (0 minutes 0.642 seconds)


.. _sphx_glr_download_tutorials_reading_pre_stack_data.py:

.. only:: html

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

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

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

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

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

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: reading_pre_stack_data.zip <reading_pre_stack_data.zip>`


.. only:: html

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

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