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NiterInverse - Maximum number of iterations for the iterative inverse transformation

Description:
This attribute controls the iterative inverse transformation used if the IterInverse attribute is non-zero.

Its value gives the maximum number of iterations of the Newton-Raphson algorithm to be used for each transformed position. The default value is 4. See also attribute TolInverse.

Type:
Integer.
Class Applicability:
PolyMap
All PolyMaps have this attribute.


next up previous 264
Next: Nkey - Number of unique FITS keywords in a FitsChan
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AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 211
R.F. Warren-Smith & D.S. Berry
7th December 2012
E-mail:starlink@jiscmail.ac.uk

Copyright (C) 2012 Science \& Technology Facilities Council