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

.. only:: html

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

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

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

.. _sphx_glr__gallery_line_inf_line.py:


Infinite Lines
==============

Draw infinite vertical and horizontal lines to mark positions on a plot.

.. GENERATED FROM PYTHON SOURCE LINES 7-44



.. image-sg:: /_gallery/line/images/sphx_glr_inf_line_001.webp
   :alt: inf line
   :srcset: /_gallery/line/images/sphx_glr_inf_line_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python


    # test_example = true

    import fastplotlib as fpl
    import numpy as np

    figure = fpl.Figure(size=(700, 560))

    xs = np.linspace(0, 4 * np.pi, 100)
    ys = np.sin(xs)
    data = np.column_stack([xs, ys])

    figure[0, 0].add_line(data, thickness=2, colors="w")

    # vertical lines at the zero-crossings, one color per line by passing a list of colors
    zero_crossings = np.array([0, np.pi, 2 * np.pi, 3 * np.pi, 4 * np.pi])
    figure[0, 0].add_inf_line(
        zero_crossings, axis="x", colors=["r", "g", "b", "c", "m"], thickness=2
    )

    # dashed horizontal lines at the sine bounds, provided as a 1D array of y-values
    figure[0, 0].add_inf_line(
        np.array([-1.0, 1.0]),
        axis="y",
        colors="gray",
        thickness=2,
        dash_pattern="--",
    )

    figure.show()


    # NOTE: fpl.loop.run() should not be used for interactive sessions
    # See the "JupyterLab and IPython" section in the user guide
    if __name__ == "__main__":
        print(__doc__)
        fpl.loop.run()


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

   **Total running time of the script:** (0 minutes 0.534 seconds)


.. _sphx_glr_download__gallery_line_inf_line.py:

.. only:: html

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

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

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

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

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


.. only:: html

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

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