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[ascl:1105.001] STILTS: Starlink Tables Infrastructure Library Tool Set

The STIL Tool Set is a set of command-line tools based on STIL, the Starlink Tables Infrastructure Library. It deals with the processing of tabular data; the package has been designed for, but is not restricted to, astronomical tables such as object catalogues. Some of the tools are generic and can work with multiple formats (including FITS, VOTable, CSV, SQL and ASCII), and others are specific to the VOTable format. In some ways, STILTS forms the command-line counterpart of the GUI table analysis tool TOPCAT. The package is robust, fully documented, and designed for efficiency, especially with very large datasets.

Facilities offered include:

  • format conversion
  • crossmatching
  • plotting
  • column calculation and rearrangement
  • row selections
  • data and metadata manipulation and display
  • sorting
  • statistical calculations
  • histogram calculation
  • data validation
  • VO service access
A powerful and extensible expression language is used for specifying data calculations. These facilities can be put together in very flexible and efficient ways. For tasks in which the data can be streamed, the size of table STILTS can process is effectively unlimited. For other tasks, million-row tables usually do not present a problem. STILTS is written in pure Java (J2SE1.5 or later), and can be run from the command line or from Jython, or embedded into java applications. It is released under the GPL.

Code site:
http://www.star.bristol.ac.uk/~mbt/stilts/
Described in:
http://adsabs.harvard.edu/abs/2009ASPC..411..510T http://adsabs.harvard.edu/abs/2006ASPC..351..666T
Bibcode:
2011ascl.soft05001T

Views: 1313

ascl:1105.001
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