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        "author": "David Buscher",
        "author_email": "dfb@mrao.cam.ac.uk",
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            "Development Status :: 4 - Beta",
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: BSD License",
            "Natural Language :: English",
            "Operating System :: OS Independent",
            "Programming Language :: Python :: 3",
            "Topic :: Scientific/Engineering :: Astronomy",
            "Topic :: Scientific/Engineering :: Physics"
        ],
        "description": "Python optical interferometry simulation (pois)\n===============================================\n\n|results.png| A python package providing the building blocks to simulate the\noperation of a ground-based optical interferometer perturbed by\natmospheric seeing perturbations. It is provided as supplementary\nmaterial for the book `\u201cPractical Optical Interferometry\u201d`_, and is\nderived from the code which was used to provide data for many of the\nfigures in the book.\n\n\nThe package includes functions to:\n\n-  generate simulated atmospheric turbulent wavefront perturbations\n-  correct these perturbations using adaptive optics\n-  combine beams from an arbitrary number of telescopes, with or without\n   spatial filtering, to provide complex fringe visibility measurements.\n\nThe code has been written following a functional-programming style (in\nother words minimising \"side-effects\" in the code where possible) in order\nto try and make it modular and extensible.\n\nRequirements\n------------\n\nThe simulator runs under Python3 and requires ``numpy``. Some of the\ntest code uses ``astropy`` for manipulating and saving data\ntables.\n\nInstallation\n------------\n\nOn unix-like systems do\n\n::\n\n    pip3 install pois\n\nor if that does not work because of file permission errors, then\n::\n\n    sudo pip3 install pois\n\n \nAlternatively download and unpack a copy of this repository and then use\n\n::\n\n    python3 setup.py install\n\n\nThis should install the package into Python path.\n\nBasic usage\n-----------\n\nAn interferometric simulation can be written as a for loop with some custom data processing, for example:\n\n.. code:: python\n\n    from pois import *\n\n    results=[]\n    for phaseScreens in PhaseScreens(numTelescope=3,\n                                     r0=15,\n\t\t\t\t     pupilSize=30,\n                                     screenSize=1024,\n\t\t\t\t     numIter=1000)):\n        pupils=AdaptiveOpticsCorrect(phaseScreens,pupilSize=30,radialOrder=5)\n        complexPupils=ComplexPupil(pupils)\n        fluxes,coherentFluxes=SingleModeCombine(complexPupils)\n\t# process() is a user-written data processing function\n\tresults.append(process(fluxes,coherentFluxes)) \n\n\nMore example code using the package is in the `tests`_ directory. The file\n`tests/test\\_visibility.py`_ includes a complete simulation for\ndetermining visibility losses and single-mode fibre coupling losses as a\nfunction of the diameter of the telescopes.\n\nPronunciation\n-------------\n\nThe package name should be pronounced as it would be in the phrase\n\u201cpetits pois\u201d.\n\nLicencing\n---------\n\nThe code is licenced under a 2-clause BSD licence (see `LICENCE.txt`_).\n\n.. _\u201cPractical Optical Interferometry\u201d: https://dbuscher.github.io/practical-optical-interferometry/\n.. _tests: tests\n.. _tests/test\\_visibility.py: tests/test_visibility.py\n.. _LICENCE.txt: LICENCE.txt\n\n.. |results.png| image:: SNR-vs-diameter.png",
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