Param#
- class astropy.io.votable.tree.Param(votable, ID=None, name=None, value=None, datatype=None, arraysize=None, ucd=None, unit=None, width=None, precision=None, utype=None, type=None, id=None, config=None, pos=None, **extra)[source]#
Bases:
Field
PARAM element: constant-valued columns in the data.
Param
objects are a subclass ofField
, and have all of its methods and members. Additionally, it definesvalue
.Attributes Summary
[required] The constant value of the parameter.
Methods Summary
to_xml
(w, **kwargs)For internal use.
Attributes Documentation
- value#
[required] The constant value of the parameter. Its type is determined by the
datatype
member.
Methods Documentation
- to_xml(w, **kwargs)[source]#
For internal use. Output the element to XML.
- Parameters:
- w
astropy.utils.xml.writer.XMLWriter
object
An XML writer to write to.
- **kwargs
dict
Any configuration parameters to control the output.
- w