Calculates the appearance of a solar traversal given a location on the Earth. Used as input for the Living Windows static lightfield project. usage: python sunpath.py Month Day Timezone Lat Lon example: python sunpath.py 7 4 EDT 42 89 Sun paths: http://www.alternativephotography.com/articles/art108.html http://i.dailymail.co.uk/i/pix/2008/11/21/article-1088227-028C40CF000005DC-543_468x293_popup.jpg Sun position formula to invert for raster scan: http://www.astro.uio.no/~bgranslo/aares/calculate.html another formula: http://squ1.org/wiki/Solar_Position_Calculator#Manual