Description Usage Arguments Details Value See Also
Internal ellipse calculation function.
1  | ppaEllipse(x, y, a, b, theta, steps)
 | 
x | 
 first coordinate  | 
y | 
 second coordinate  | 
a | 
 semi-major axis  | 
b | 
 semi-minor axis  | 
theta | 
 rotation angle of the ellipse (in radians)  | 
steps | 
 number of segments, from ePoints parameter in   | 
Internal function for calculating ellipses in time geographic analysis.
This function returns a polygon ellipse.
dynppa
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