where is the longitude and latex($$\phi$$) the latitude. R is the radius of the sphere, which is 1 in our program. latex($$c=0.5$$) and latex($$p=0.5$$) are two constants controlling the shape of the projection.
where is the longitude and latex($$\phi$$) the latitude. R is the radius of the sphere, which is 1 in our program. latex($$c=0.5$$) and latex($$p=0.5$$) are two constants controlling the shape of the projection.