FUNCTION fHtmEqToXyz

Convert Ra, Dec to Cartesian coordinates (x, y, z)

Parameters:
@ra float, Right Ascension
@dec float, Declination
Returns single row table containing the vector (x, y, z) select * from dbo.fHtmEqToXyz(-180.0, 0.0) gives: x y z -1 0 0

Input and output parameters

name type length inout pnum

@ra float 8 input 1

@dec float 8 input 2

x float 8 output 1

y float 8 output 2

z float 8 output 3

name	type	length	inout	pnum
@ra	float	8	input	1
@dec	float	8	input	2
x	float	8	output	1
y	float	8	output	2
z	float	8	output	3