Support. ******** You can get help with LightPipes for Python in several ways: 1) Visit our Github_ site .. _Github: https://github.com/opticspy/lightpipes 2) Help for a specific `command` can be obtained at the Python prompt. For example, to display the help for the `Begin` command, type at the Pythom prompt: >>> from LightPipes import * >>> help(Begin) The response is: .. code-block:: bash Help on built-in function Begin: Begin(...) method of LightPipes._LightPipes.Init instance F = Begin(GridSize, Wavelength, N) :ref:`Creates a plane wave (phase = 0.0, amplitude = 1.0). ` Args:: GridSize: size of the grid Wavelength: wavelength of the field N: N x N grid points (N must be even) Returns:: F: N x N square array of complex numbers (1+0j). Example: :ref:`Diffraction from a circular aperture ` >>> 3) Look at the :ref:`commandref` 4) Read the :ref:`Manual.`