I'm writing an app to help me keep track of where I have sprayed on the 
farm. I'm using the api v2 and the get??Location from the GPS to draw a 
polyline on the map.

I need to set the width of the polyline based upon the width of my sprayer 
boom. 

I understand that the width() method in the api sets the polyline to a 
pixel width. I also understand that the map system is mercator based and 
depending on what field I am in a conversion from feet to pixels will not 
work.

Any ideas on what to incorporate or apis already out there that allow me to 
make location specific feet to pixel conversions.

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