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NOVAS3FrameTie Method
To transform a vector from the dynamical reference system to the International Celestial Reference System (ICRS), or vice versa.

Namespace: ASCOM.Astrometry.NOVAS
Assembly: ASCOM.Astrometry (in ASCOM.Astrometry.dll) Version: 6.0.0.0 (6.3.0.2839)
Syntax
public void FrameTie(
	double[] Pos1,
	FrameConversionDirection Direction,
	ref double[] Pos2
)

Parameters

Pos1
Type: SystemDouble
Position vector, equatorial rectangular coordinates.
Direction
Type: ASCOM.AstrometryFrameConversionDirection
Set 'direction' < 0 for dynamical to ICRS transformation. Set 'direction' >= 0 for ICRS to dynamical transformation.
Pos2
Type: SystemDouble
Position vector, equatorial rectangular coordinates.
Remarks