function sersic2d

Creates a 2D sersic. The sersic function is defined as y(x) = exp(-bn * (x/Re)^(1/n) - 1), with bn = 1.9992 * n - 0.3271.

Syntax
result = sersic2d(c, x0, y0, angle, q, n [, naxis1=value] [, naxis2 = value])

Arguments
Re:   Effective radius that encloses half of the total light
x0:   x-position of center
y0:   y-position of center
angle:   angle in degrees
q:   diskiness
n:   shape of light model (0.5 = gaussian, 1 = exponential, 4 = de Vaucouleurs)


Examples

   result = sersic2d(10,80,70,870,-2,1, naxis1=128, naxis2=128)