SofaTpsts Method

public static void Tpsts(
	double xi,
	double eta,
	double a0,
	double b0,
	ref double a,
	ref double b
)

Public Shared Sub Tpsts ( 
	xi As Double,
	eta As Double,
	a0 As Double,
	b0 As Double,
	ByRef a As Double,
	ByRef b As Double
)

Parameters

xi  Double

Projection coordinate ξ of tangent point.

eta  Double

Projection coordinate η of tangent point.

a0  Double

RA of target point (radians).

b0  Double

Dec of target point (radians).

a  Double

Returned ξ coordinate.

b  Double

Returned η coordinate.

Reference