double fDistanceEq(ra1,dec1,ra2,dec2) returns distance in ArcMinutes between two points.

Namespace: Spherical.Htm
Assembly: SphericalHtm (in SphericalHtm.dll) Version: 1.0.0.0

Syntax

C#
public static SqlDouble fDistanceEq(
	double ra1,
	double dec1,
	double ra2,
	double dec2
)
Visual C++
public:
static SqlDouble fDistanceEq(
	double ra1, 
	double dec1, 
	double ra2, 
	double dec2
)
F#
static member fDistanceEq : 
        ra1:float * 
        dec1:float * 
        ra2:float * 
        dec2:float -> SqlDouble

Parameters

ra1
Type: System..::..Double
double, right ascencion coordinate (degrees)
dec1
Type: System..::..Double
double, declination coordinate (degrees)
ra2
Type: System..::..Double
double, right ascencion coordinate (degrees)
dec2
Type: System..::..Double
double, declination coordinate (degrees)

Return Value

double distance in arc minutes.

Examples

CopyC#
create function fDistanceEq(@ra1 float, @dec1 float, @ra2 float, @dec2 float) 
        returns float
             as external name HTM.Sql.fDistanceEq
select dbo.fDistanceEq(0,0,30,30)

See Also