.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/slm_demo.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_slm_demo.py>`
        to download the full example code.

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

.. _sphx_glr_auto_examples_slm_demo.py:


SLM Demo
========
Example on how different geometries and patches work for an SLM. Currently, uses SLM number 0, which is the left
upper corner of the primary monitor.

EPILEPSY WARNING: YOUR PRIMARY SCREEN MAY QUICKLY FLASH DURING RUNNING THIS FILE

.. GENERATED FROM PYTHON SOURCE LINES 9-58

.. code-block:: Python


    import time

    import astropy.units as u
    import numpy as np
    from skimage import data

    from openwfs.devices.slm import SLM, Patch, geometry
    from openwfs.utilities import patterns

    # construct a new SLM object and add a patch to it
    numerical_aperture = 0.8
    s1 = SLM(0, shape=(300, 200))
    s2 = SLM(0, pos=(0, 300))
    s3 = s1.clone(0, pos=(300, 0), shape=(400, 500))
    g = geometry.rectangle(numerical_aperture)

    # p1 = Patch(s1, g)
    s1.primary_patch.geometry = g
    pf = Patch(s1)
    p2 = Patch(s2)
    p3 = Patch(s2, geometry.rectangle(0.2))
    p4 = Patch(s2, geometry.rectangle(0.1))
    p3.phases = 0.25
    p4.phases = 1
    p4.additive_blend = False

    pf.phases = patterns.lens(100, 1 * u.m, 0.8 * u.um, numerical_aperture)
    rng = np.random.default_rng()
    for n in range(200):
        random_data = rng.random([10, 10], np.float32) * 2.0 * np.pi
        s1.set_phases(random_data)
        s2.set_phases(n / 4.0)
        if n == 100:
            del s3

    p1 = None  # test deletion. After deleting the two windowed SLMs, we can create a new full screen one
    s1.patches.clear()
    s1 = 0
    s2 = 0
    s3 = SLM(1)  # full-screen window
    s3.update()
    s3.monitor_id = 0  # test switching monitor id
    time.sleep(0.5)

    s = SLM(0)
    s.set_phases(data.camera() / 255 * 2 * np.pi)

    s.update()


.. _sphx_glr_download_auto_examples_slm_demo.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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