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Box - A box region with sides parallel to the axes of a Frame

Description:
The Box class implements a Region which represents a box with sides parallel to the axes of a Frame (i.e. an area which encloses a given range of values on each axis). A Box is similar to an Interval, the only real difference being that the Interval class allows some axis limits to be unspecified. Note, a Box will only look like a box if the Frame geometry is approximately flat. For instance, a Box centred close to a pole in a SkyFrame will look more like a fan than a box (the Polygon class can be used to create a box-like region close to a pole).
Constructor Function:
AST_BOX
Inheritance
The Box class inherits from the Region class.
Attributes
The Box class does not define any new attributes beyond those which are applicable to all Regions.
Functions
The Box class does not define any new routines beyond those which are applicable to all Regions.


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AST A Library for Handling World Coordinate Systems in Astronomy
Starlink User Note 210
R.F. Warren-Smith & D.S. Berry
24th May 2011
E-mail:ussc@star.rl.ac.uk

Copyright (C) 2009 Science \& Technology Facilities Council