Uses of Package
org.javastro.ivoa.entities.stc.v1

  • Class
    Description
    Type for generic astronomical STC metadata, in particular Resource Profile, Search Location, Catalog Entry.
    Generalized single stcMetadata type
  • Class
    Description
    AllSky type: just a shape without any child elements
    Angular coordinate units may be degrees, radians, hours, arcmins, arcsecs
    Astronomical area type
    Coordinate references to a specific FITS file Coordinate references to a specific FITS file
    The astronomical (STC) coordsType
    The astronomical coordinate system definition: spatial coordinate frame and reference position; time frame and reference position; the coordinate flavor; spectral frame and (optionally) Doppler frame; and the planetary ephemeris; an ID is required, since this is how coordinate elements are associated with their coordinate systems
    astronTime is the generalized astronomical time type and consists of one, two, or three elements: optional TimeScale, optional relative time offset, and an absolute time (ISO8601 or a decimal JD or MJD; or it may be an IDREF to one of those three); TimeScale may be omitted only if the element is part of AstroCoords, referring to an AstroCoordSystem that specifies a TimeScale.
    Type for generic astronomical STC metadata, in particular Resource Profile, Search Location, Catalog Entry.
    Single Error, Resolution, Size, PixSize elements indicate definite values; pairs indicate ranges
    Box shape: a rectangle defined by its center and size on both dimensions; since it is a polygon, it is redundant, but simple rectangles with great circle sides are awkward to define in spherical coordinates
    A custom space reference frame type defined through a 2-D Cartesian mapping (rotate and scale)
    A custom space reference frame type defined through a 2-D Cartesian mapping (rotate and scale)
    A custom space reference frame type defined through a 3-D Cartesian mapping (rotate and scale)
    Circle shape: center and radius
    A convex hull: the smallest convex polygon that contains all its points; in spherical coordinates all points have to be contained within a hemisphere
    A convex polygon defined by one or more Constraints
    2-D coordinate interval type
    3-D coordinate interval type
    Generalized coordinate area type
    Refers coordinate components to specific columns in the FITS file HDU
    Provides the spatial coordinate definitions: number of axes, SPHERICAL, CARTESIAN, UNITSPHERE, POLAR, or HEALPIX, presence of velocities
    A CoordFrame has to have at least an Id
    Abstract coordinate type; a concrete Coordinate consists of a Value, Error, Resolution, Size, and PixSize
    Abstact coordinate interval type
    A generic CoordReferenceFrame
    Scalar coordinate interval type
    The generic coordsType A CoordSys consists of at least one coordinate frames; unfortunately, schema inheritance and polymorphism doesn't allow us to specify this in the most genarl way
    Coordinate system definition: a collection of coordinate frames A CoordSys consists of at least one coordinate frames; unfortunately, schema inheritance and polymorphism doesn't allow us to specify this in the most genarl way
    A type that just holds a 1-3D coordinate value; see comment in the CoordValue head element
    A curve in 2-D space, defined by its end points and a shape attribute (default: line or great circle)
    A curve in 3-D space, defined by its end points and a shape attribute (default: line or great circle)
    Type for custom positions: specifies reference origin
    The difference of two regions (Region1 minus Region2) is a region; it is equivalent to the intersection of Region1 with notRegion2
    The Doppler definition used: optical, radio, or pseudo-relativistic (i.e., how is a redshift converted to a velocity); the most common is optical, except when the reference is LSR (usually radio)
    A double with referencing and units attributes
    A vector of 2 doubles; components are now separated.
    A vector of 3 doubles with separated components
    A vector of 4 doubles (2x2 matrix)
    A vector of 9 doubles (3x3 matrix)
    Ellipse shape: center, semi-major, semi-minor axis and position angle; in spherical coordinates defined as the shape cut out of the sphere by a cone with elliptical cross-section
    Specifies a FITS file and optionally a specific HDU by HDU number or HDU name
    FK[45] type: needs an equinox
    Java class for genericCoordFrameType complex type
    Type for custom positions: specifies reference origin
    Single CError2, CResolution2, CSize2, CPixSize2 elements indicate definite values; pairs indicate ranges
    Single CError3, CResolution3, CSize3, CPixSize3 elements indicate definite values; pairs indicate ranges
    The Geodetic reference frame; semi-major axis and inverse flattening may be provided to define the reference spheroid; the default is the IAU 1976 reference spheroid
    An area on the unit sphere defined by the intersection with a plane
    2-D Healpix coordinates; defaults for H(4) and K(3)
    ICRS type: no equinox
    The intersection of two or more regions is a region
    ISO8601 time; note: only a limited subset of ISO 8601 is allowed: yyyy-mm-ddThh:mm:ss.sss...; unfortunately, XSchema does not allow hh, mm, or ss to be optional, ".ss" is.
    A decimal type for JD and MJD, with optional referencing
    The negation of a region is a region
    Type for observational STC metadata
    Type for an observatory location
    Orbit defined by six orbital elements and optional mean anomaly and period; note that the epoch of periapsis or of mean anomaly is provided by T, however, an coordinate epoch should be provided by paring this element with a time instant element
    Java class for anonymous complex type
    Java class for anonymous complex type
    Java class for anonymous complex type
    Java class for anonymous complex type
    Java class for anonymous complex type
    Java class for anonymous complex type
    Java class for anonymous complex type
    Pixel area type
    The pixel coordinates type
    The pixel coordinate system definition
    A pixel coordinate frame (which may be 1-D, 2-D, or 3-D) consists of a coordinate frame, a reference position, a flavor, a reference pixel array and the order in which the pixel axes appear in the pixel array
    Type to specify a pixel space
    A type that just holds a 1-3D pixel value
    Scalar pixel coordinate type
    2-D pixel coordinate type
    3-D pixel coordinate type
    If solar system positions are implied anywhere, the planetary ephemeris to be used needs to be provided - usually JPL-DE405 with ICRS and JPL-DE200 with FK5
    Polygon: one or more vertices; counter-clockwise (as seen from "inside" or from "top") encircled area is enclosed; sides should span less than 180 deg in each coordinate if spherical; a polygon may not intersect itself
    2-D coordinate interval type
    3-D coordinate interval type
    Position angles may be counted from North (through East), (positive) X (to positive Y), or (positive) Y (to positive X) axis
    Position angles are doubles and include optionally a unit attribute (default deg) and a reference attribute (default X)
    Scalar coordinate interval type
    Single Error, Resolution, Size, PixSize elements indicate definite values; pairs indicate ranges
    Single CError2, CResolution2, CSize2, CPixSize2 elements indicate definite values; pairs indicate ranges
    Single CError3, CResolution3, CSize3, CPixSize3 elements indicate definite values; pairs indicate ranges
    Redshift coordinate type
    Contains the Doppler definitions, including whether the values are velocity or redshift (value_type)
    Contains a 1-D redshift interval; position and time units are required if redshifts are expressed as Doppler velocities
    Abstract type for reference positions
    Element to hold the area of a Region, once calculated; the element holds the actual area, linearAreaUnit the linear units of the of the area (i.e., it should be squared to get the proper units of the area), and validArea indicates whether the area has been calculated properly.
    Points to a Region file
    Abstract region type; a Region is a Shape or the result of a Region Operation involving one or more Regions
    Generic scalar coordinate type: a basic scalar coordinate with units
    A sector is the counter-clockwise area between two half-lines
    Shape is the abstract type that is the building block of regions; in real life it needs to be replaced by a concrete shape
    Consists of a Size (2 doubles) and optional position angle element
    Consists of a Size (3 doubles) and optional position angle element
    This is a hook for regions defined in sky indexing schemes
    smallCircleType indicates in polygons that side is along small circle; with optional pole
    A spatial coordinate frame consists of a coordinate frame, a reference position, a flavor, and, optionally, an offset center
    Abstract space reference frame type
    Abstract spatial interval type
    Spectral coordinate type
    Contains the spectral frame reference position
    Contains a 1-D spectral interval
    Spectral units may be frequency (Hz, kHz, MHz, GHz), wavelength (meters, mm, micron, nm, Angstrom), or energy (eV, keV, MeV, GeV, TeV)
    Defines a sphere.
    A custom space reference frame type defined through pole and X-axis directions
    STC standard base type.
    Type for STC Coordinate
    Type for STC Coordinate List
    Generalized single stcMetadata type
    Abstract stcMetadata type
    Type for STC Region
    Type for STC Region list
    Type for standard reference positions
    Generic string coordinate type
    Single Error, Resolution, Size, PixSize elements indicate definite values; pairs indicate ranges
    The time reference frame consists of a timescale, a reference position, and optionally a reference direction (needed when transformations have been applied)
    The time interval needs to contain a start time or a stop time or both; it needs to refer to a coordinate system; boundaries may or may not be inclusive
    Actual elapsed time offset
    The actual time scale used: TT, TAI, UTC, TDB, etc.
    2-D coordinate interval type with units and frame_id
    3-D coordinate interval type with units and frame_id
    Scalar coordinate interval type with units and frame_id
    The union of two or more regions is a region
    Single CError2, CResolution2, CSize2, CPixSize2 elements indicate definite values; pairs indicate ranges
    Single CError3, CResolution3, CSize3, CPixSize3 elements indicate definite values; pairs indicate ranges
    2-D coordinate interval type
    3-D coordinate interval type
    Contains a spatial velocity CoordInterval
    Defines a velocity sphere A special kind of area is a circle or sphere (in two or three dimensions), defined by a center position and a radius; the radius requires a unit
    Scalar coordinate interval type
    Velocity units are a posUnitType / velTimeType; the latter may be second, day, hour, year (a or yr), century, but not empty
    Single Error, Resolution, Size, PixSize elements indicate definite values; pairs indicate ranges
    Single CError2, CResolution2, CSize2, CPixSize2 elements indicate definite values; pairs indicate ranges
    Single CError3, CResolution3, CSize3, CPixSize3 elements indicate definite values; pairs indicate ranges
    Vertex is a position with optional SmallCircle element; the SmallCircle element indicates that the polygon side formed by that vertex and its predecessor vertex is a small circle, rather than a great circle; SmallCircle has no meaning in Cartesian coordinates