Description:
Transform tangent plane coordinates
into spherical.
Invocation
palDtp2s( double xi, double eta, double raz, double decz, double
ra, double
dec);
Arguments
xi = double (Given)
First rectangular coordinate on tangent plane (radians)
eta = double (Given)
Second rectangular coordinate on tangent plane (radians)
raz = double (Given)
RA spherical coordinate of tangent point (radians)
decz =
double (Given)
Dec spherical coordinate of tangent point (radians)
ra = double
(Returned)
RA spherical coordinate of point to be projected (radians)
dec = double
(Returned)
Dec spherical coordinate of point to be projected (radians)
Copyright © 2012 Science and Technology Facilities Council.
Copyright © 2014 Cornell University.
Copyright © 2015 Tim Jenness