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## B.12 `pixfoot`: Generates Multi-Order Coverage maps

`pixfoot` takes a list of sky positions from an input table and generates a pixel map describing a sky region which includes them all. Currently the output is to a format known as a Multi-Order Coverage map (MOC), which is a HEALPix-based format composed of a list of HEALPix pixels of different sizes, which can efficiently describe complex regions. Other output formats may be introduced in the future.

The `mocshape` command does a similar job, but can also work with input columns representing shapes that are not just points or circles, and offers different MOC generation implementations that may be more efficient when working with very large input tables.

See also the Coverage class for MOC-related functions.

- B.12.1 Usage
- B.12.2 Examples

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STILTS - Starlink Tables Infrastructure Library Tool Set
Starlink User Note256
STILTS web page: http://www.starlink.ac.uk/stilts/
Author email: m.b.taylor@bristol.ac.uk
Mailing list: topcat-user@jiscmail.ac.uk