@property<EOL><INDENT>def area(self):<DEDENT>
if len(self.exterior) < <NUM_LIT:3>:<EOL><INDENT>raise Exception("<STR_LIT>")<EOL><DEDENT>poly = self.to_shapely_polygon()<EOL>return poly.area<EOL>
Estimate the area of the polygon.

Returns
-------
number
    Area of the polygon.