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        "author": "Michael Hirsch, Ph.D.",
        "author_email": "",
        "bugtrack_url": null,
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            "Development Status :: 4 - Beta",
            "Environment :: Console",
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: MIT License",
            "Operating System :: OS Independent",
            "Programming Language :: Fortran",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7",
            "Topic :: Scientific/Engineering :: Visualization"
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        "description": "[![Travis CI](https://travis-ci.org/scivision/lineclipping-python-fortran.svg?branch=master)](https://travis-ci.org/scivision/lineclipping-python-fortran)\n[![Coverage Status](https://coveralls.io/repos/github/scivision/lineclipping-python-fortran/badge.svg?branch=master)](https://coveralls.io/github/scivision/lineclipping-python-fortran?branch=master)\n[![AppVeyor](https://ci.appveyor.com/api/projects/status/cr0omkhjvgwcyxiy?svg=true)](https://ci.appveyor.com/project/scivision/lineclipping-python-fortran)\n[![PyPi versions](https://img.shields.io/pypi/pyversions/pylineclip.svg)](https://pypi.python.org/pypi/pylineclip)\n[![PyPi wheels](https://img.shields.io/pypi/format/pylineclip.svg)](https://pypi.python.org/pypi/pylineclip)\n[![PyPi Download stats](http://pepy.tech/badge/pylineclip)](http://pepy.tech/project/pylineclip)\n\n# Line clipping\n\n-   `lineClipping.jl` Cohen-Sutherland line clipping algorithm for Julia.\n    Input scalars, output intersection length, or `None` if no intersection.\n-   `lineclipping.f90` Cohen-Sutherland line clipping algorithm for\n    massively parallel coarray modern Fortran. Input scalars or arrays,\n    output intersections or `NaN` if no intersection.\n-   `lineClipping.py` Cohen-Sutherland line clipping algorithm for Python.\n    Input scalars, output intersection length, or `None` if no intersection.\n\n## Install\n\n### Python\n\n    python -m pip install -e .\n\n### Fortran\n\nIf you want to use the Fortran Cohen-Sutherland line clipping modules\ndirectly (optional):\n\n    cd bin\n    cmake ..\n    make\n\n## Usage\n\nThe main difference with textbook implementations is that I return a\nsentinel value (NaN, None, nothing) if there's no intersection of line\nwith box.\n\n### Python\n\n```python\nimport pylineclip.lineclipping as lc\n\nx3,y3,x4,y4 = lc.cohensutherland((xmin, ymax, xmax, ymin, x1, y1, x2, y2)\n```\n\nIf no intersection, `(None, None, None, None)` is returned.\n\n### Fortran\n\nlineclipping.f90 has two subroutines. \nPick Ccohensutherland if you're calling from C/C++/Python, which cannot tolerate assummed-shape arrays.\nIt's a slim wrapper to cohensutherland which is elemental (can handle scalar or any rank array).\n\nFortran programs will simply use\n\n```fortran\nuse lineclipping\ncall cohensutherland(xmin,ymax,xmax,ymin,x1,y1,x2,y2)\n```\n\nThe arguments are:\n\n    INPUTS\n    ------\n    xmin,ymax,xmax,ymin:  upper left and lower right corners of box (pixel coordinates)\n\n    INOUT\n    -----\n    x1,y1,x2,y2: \n    in - endpoints of line\n    out - intersection points with box. If no intersection, all NaN\n\n### Julia\n\nSimliar to Python, except `nothing` is returned if no intersection\nfound.\n\n```julia\ncohensutherland(xmin, ymax, xmax, ymin, x1, y1, x2, y2)\n```",
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