palDtp2s
palDtp2s
- Tangent plane to spherical coordinates
- 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)