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AST Class Descriptions
Subsections
AxisAxis - Store axis information
BoxBox - A box region with sides parallel to the axes of a Frame
ChannelChannel - Basic (textual) I/O channel
CircleCircle - A circular or spherical region within a Frame
CmpFrameCmpFrame - Compound Frame
CmpMapCmpMap - Compound Mapping
CmpRegionCmpRegion - A combination of two regions within a single Frame
DSBSpecFrameDSBSpecFrame - Dual sideband spectral coordinate system description
DssMapDssMap - Map points using a Digitised Sky Survey plate solution
EllipseEllipse - An elliptical region within a 2-dimensional Frame
FitsChanFitsChan - I/O Channel using FITS header cards to represent Objects
FitsTableFitsTable - A representation of a FITS binary table
FluxFrameFluxFrame - Measured flux description
FrameFrame - Coordinate system description
FrameSetFrameSet - Set of inter-related coordinate systems
GrismMapGrismMap - Transform 1-dimensional coordinates using a grism dispersion equation
IntervalInterval - A region representing an interval on one or more axes of a Frame
IntraMapIntraMap - Map points using a private transformation function
KeyMapKeyMap - Store a set of key/value pairs
LutMapLutMap - Transform 1-dimensional coordinates using a lookup table
MappingMapping - Inter-relate two coordinate systems
MathMapMathMap - Transform coordinates using mathematical expressions
MatrixMapMatrixMap - Map coordinates by multiplying by a matrix
NormMapNormMap - Normalise coordinates using a supplied Frame
NullRegionNullRegion - A boundless region within a Frame
ObjectObject - Base class for all AST Objects
PcdMapPcdMap - Apply 2-dimensional pincushion/barrel distortion
PermMapPermMap - Coordinate permutation Mapping
PlotPlot - Provide facilities for 2D graphical output
Plot3DPlot3D - Provide facilities for 3D graphical output
PointListPointList - A collection of points in a Frame
PolyMapPolyMap - Map coordinates using polynomial functions
PolygonPolygon - A polygonal region within a 2-dimensional Frame
PrismPrism - An extrusion of a region into higher dimensions
RateMapRateMap - Mapping which represents differentiation
RegionRegion - Represents a region within a coordinate system
SelectorMapSelectorMap - A Mapping that locates positions within one of a set of alternate Regions
ShiftMapShiftMap - Add a constant value to each coordinate
SkyAxisSkyAxis - Store celestial axis information
SkyFrameSkyFrame - Celestial coordinate system description
SlaMapSlaMap - Sequence of celestial coordinate conversions
SpecFluxFrameSpecFluxFrame - Compound spectrum/flux Frame
SpecFrameSpecFrame - Spectral coordinate system description
SpecMapSpecMap - Sequence of spectral coordinate conversions
SphMapSphMap - Map 3-d Cartesian to 2-d spherical coordinates
StcStc - Represents an instance of the IVOA STC class
StcCatalogEntryLocationStcCatalogEntryLocation - Correspond to the IVOA STCCatalogEntryLocation class
StcObsDataLocationStcObsDataLocation - Correspond to the IVOA ObsDataLocation class
StcResourceProfileStcResourceProfile - Correspond to the IVOA STCResourceProfile class
StcSearchLocationStcSearchLocation - Correspond to the IVOA SearchLocation class
StcsChanStcsChan - I/O Channel using STC-S to represent Objects
SwitchMapSwitchMap - A Mapping that encapsulates a set of alternate Mappings
TableTable - A 2-dimensional table of values
TimeFrameTimeFrame - Time coordinate system description
TimeMapTimeMap - Sequence of time coordinate conversions
TranMapTranMap - Mapping with specified forward and inverse transformations
UnitMapUnitMap - Unit (null) Mapping
WcsMapWcsMap - Implement a FITS-WCS sky projection
WinMapWinMap - Map one window on to another by scaling and shifting each axis
XmlChanXmlChan - I/O Channel using XML to represent Objects
ZoomMapZoomMap - Zoom coordinates about the origin