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The basics

Most data in AIPS++ are stored in tables. A table consists of an unlimited number of columns of data, with optional column keywords and optional table keywords. See the table module documentation for details.

There are different flavours of tables, e.g. Measurement Sets holding visibilities, Images, calibration tables and so on. The flavour difference simply means that these tables have (different) specific required entries and there are high-level tools which understand these differences. But fundamentally, all these tables use the same underlying data structure, which can be accessed via a generic Table tool. A Table tool provides you with direct access to a table, no matter what flavour it is. You can recover, manipulate and display the data with it.

As well as using a Table tool, one can also manipulate tabular information (however it is stored) with Glish itself. Examples are given below.

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Reading and writing

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