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Circle - A circular or spherical region within a Frame

Description:
The Circle class implements a Region which represents a circle or sphere within a Frame.
Constructor Function:
astCircle
Inheritance
The Circle class inherits from the Region class.
Attributes
The Circle class does not define any new attributes beyond those which are applicable to all Regions.
Functions
In addition to those functions applicable to all Regions, the following functions may also be applied to all Circles:

  • astCirclePars: Get the geometric parameters of the Circle

  • AST_CIRCLEPARS: Get the geometric parameters of the Circle


next up previous 264
Next: CmpFrame - Compound Frame
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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
25th February 2013
E-mail:starlink@jiscmail.ac.uk

Copyright (C) 2014 Science \& Technology Facilities Council