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AST Class Descriptions

Subsections

Axis - Store axis information
Box - A box region with sides parallel to the axes of a Frame
Channel - Basic (textual) I/O channel
Circle - A circular or spherical region within a Frame
CmpFrame - Compound Frame
CmpMap - Compound Mapping
CmpRegion - A combination of two regions within a single Frame
DSBSpecFrame - Dual sideband spectral coordinate system description
DssMap - Map points using a Digitised Sky Survey plate solution
Ellipse - An elliptical region within a 2-dimensional Frame
FitsChan - I/O Channel using FITS header cards to represent Objects
FitsTable - A representation of a FITS binary table
FluxFrame - Measured flux description
Frame - Coordinate system description
FrameSet - Set of inter-related coordinate systems
GrismMap - Transform 1-dimensional coordinates using a grism dispersion equation
Interval - A region representing an interval on one or more axes of a Frame
IntraMap - Map points using a private transformation function
KeyMap - Store a set of key/value pairs
LutMap - Transform 1-dimensional coordinates using a lookup table
Mapping - Inter-relate two coordinate systems
MathMap - Transform coordinates using mathematical expressions
MatrixMap - Map coordinates by multiplying by a matrix
NormMap - Normalise coordinates using a supplied Frame
NullRegion - A boundless region within a Frame
Object - Base class for all AST Objects
PcdMap - Apply 2-dimensional pincushion/barrel distortion
PermMap - Coordinate permutation Mapping
Plot - Provide facilities for 2D graphical output
Plot3D - Provide facilities for 3D graphical output
PointList - A collection of points in a Frame
PolyMap - Map coordinates using polynomial functions
Polygon - A polygonal region within a 2-dimensional Frame
Prism - An extrusion of a region into higher dimensions
RateMap - Mapping which represents differentiation
Region - Represents a region within a coordinate system
SelectorMap - A Mapping that locates positions within one of a set of alternate Regions
ShiftMap - Add a constant value to each coordinate
SkyAxis - Store celestial axis information
SkyFrame - Celestial coordinate system description
SlaMap - Sequence of celestial coordinate conversions
SpecFluxFrame - Compound spectrum/flux Frame
SpecFrame - Spectral coordinate system description
SpecMap - Sequence of spectral coordinate conversions
SphMap - Map 3-d Cartesian to 2-d spherical coordinates
Stc - Represents an instance of the IVOA STC class
StcCatalogEntryLocation - Correspond to the IVOA STCCatalogEntryLocation class
StcObsDataLocation - Correspond to the IVOA ObsDataLocation class
StcResourceProfile - Correspond to the IVOA STCResourceProfile class
StcSearchLocation - Correspond to the IVOA SearchLocation class
StcsChan - I/O Channel using STC-S to represent Objects
SwitchMap - A Mapping that encapsulates a set of alternate Mappings
Table - A 2-dimensional table of values
TimeFrame - Time coordinate system description
TimeMap - Sequence of time coordinate conversions
TranMap - Mapping with specified forward and inverse transformations
UnitMap - Unit (null) Mapping
WcsMap - Implement a FITS-WCS sky projection
WinMap - Map one window on to another by scaling and shifting each axis
XmlChan - I/O Channel using XML to represent Objects
ZoomMap - Zoom coordinates about the origin

Next: Axis - Store axis information
Up: AST A Library for Handling World Coordinate Systems in Astronomy
Previous: Zoom - ZoomMap scale factor

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