describes an axis and its properties
describes an axis and its properties
minimum size of an interpretable signal along this axis
How the observation is spanned along this axis
redefinition of unit for coverage
redefinition of coordsystem
Typical value on one axis
the limits of the observation on this axis
describes the area where measurements are effectively present and interpretable
encodes the variability of response along the axis
A name representing the physical nature of the axis like Spatial, Spectral, Time, Velocity or any other free name for an axis
The physical meaning of the axis,
Type: standard semantic tag defined in the UCD list.
default unit for the axis:
Type: controlled unit vocabulary following the VOTable units definitions
Reference coordinate system for the axis:
Observatory location
Type: a STC:observatoryLocationType or an xlink
Global accuracy description of the axis
Indicates wether the axis is independent or not from the other axes. The Observable axis
has a false independentAxis "value"
Type : boolean
defines if and how the axis is calibrated:
Possible String values: CALIBRATED, UNCALIBRATED, RELATIVE, NORMALIZED
Number of bins for this axis.
Type : array of 1 2 or 3 integers
A flag to mention wether the data are undersampled.
Type: boolean
A flag to mention wether the data are regularly sampled.
Type : boolean
Restriction of CharacterisationAxis for Spatial Axis
Restriction of characteristionAxis for Spectral Axis
Restriction of CharacterisationAxis for time
A combination of flags attesting the data quality.
Type: String
Some Error on the axis
The type of error described : statistical , systematic, global, etc.
Type: string
Statistical Error on the axis
The type of error described : here statistical
Type : string , value="statistical" "
Typical statistical Error on the axis
Range of the error for mapping along this axis
A detailed description of the local error values
Systematic Error on the axis
The type of error described : here, systematic
Type: string , value: systematic
Typical statistical error on the axis.
Types: depend on the dimensionality
1D Error based on stc:double1Type
2D Errors based on stc:size2Type, double2Type or double1Type (error 2 radius)
3D Errors based on stc:size3Type, double3TYpe or double1Type (error 3 radius)
Hi and Low values of statistical errors on this axis.
Type: stc:coordScalarInterval, 2DVecInterval or 3DVecInterval
A description of the error extreme values .
Type: any URI type
A detailed description of the local error values. Could be conveyed with
the data as in IVOA Spectrum data model
Type: any URI type pointing to such a map
A map showing the variability of the error
Type: any URI type
documentation on the Error variation
Type: any URI type
The typical coordinate value
Type: stc:astroCoordsType
Redefinition of unit
Redefinition of coordsystem
The typical coordinate value
Type: stc:astroCoordsType
for bounds unit redefinition
for bounds coosys redefinition
The actual values defining the bounds.
2 possible types : a cha:CharBox which is a customised STC:Coordinate with mandatory value and size
or an STC:Interval
A document to mention how the bounds are defined.
Defines the effective covered region
Gives the name of the region shape
Type: predefined string in {Circle, Polygon, Box, ...}
Some text about the Support region definition
Type: any URI type
encodes the variability of the response along the axis
documents the purpose, type and encoding of sensitivity information
Type: URL
A coordinate type to define n-D bounding boxes.
To be overridden by any of the following possible substitution elements.
Here is 1-, 2-, or 3-D coordinate interval substitution group head element.
Such an element needs to contain a minimum or maximum scalar or vector value,
or both. It needs to refer to a coordinate system. Boundaries may or may not
be inclusive; and it can have a fill factor
A scalar coordinate interval
A 2-D coordinate interval ("box")
A 3-D coordinate triplet interval ("cube")
Defines and explains how this reference value for resolution has been estimated
Type: URL
Typical resolution value along the axis
1D resolution of type stc:double1Type
2D resolution of type stc:size2Type, double4Type or double1Type (resolution radius)
3D resolution of type stc:size3Type, double9TYpe or double1Type (resolution 3 radius)
Explains how the fill factor is estimated . Type: URI
Explains how the fill factor is estimated . Type: URI
Typical sampling Period value of the axis
Type : depends on the dimensionality
1D samplingPeriod based on stc:double1Type
2D samplingPeriod based on stc:size2Type, double4Type or double1Type ( sampling period radius)
3D samplingPeriod based on stc:size3Type or double9TYpe or double1Type (sampling period 3 radius)
Typical sample Extent value of the axis
"Types : depend on the dimensionality"
1D sampleExtent based on stc:double1Type
2D sampleExtent based on stc:size2Type, double4Type or double1Type (sampling extent radius)
3D sampleExtent based on stc:size3Type, double9TYpe or double1Type (sampling extent 3 radius)
Defines and explains how this resolution has been estimated
Hi and Low values of resolution on this axis.
Type: stc:coordScalarInterval, or 2Vec or 3Vec
Hi and Low values of samplingPeriod on this axis.
Type: stc:coordScalarInterval or 2Vec or 3Vec
Defines and explains how this resolution has been estimated
Type: URL
A place to hook some explanations about "how" the Sampling was done and assessed.
Type: URI
This map describes the variability of the resolution along the axis, the varying shape of the point spread
fonction, or both. Can be attached to the data
Type: URI
defines and explains how this resolution has been estimated
Type: URL
This map describes the variability of the sampling along the axis, or the varying shape of the sampling
fonction, or both. Can be attached to the data implemented as anyURI type