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## B.2 Activation Functions

The following functions can be used only for defining custom Activation Actions - they mostly deal with causing something to happen, such as popping up an image display window. They generally return a short string, which will be logged to the user to give an indication of what happened (or didn't happen, or should have happened). More complete documentation of them is available from within TOPCAT in the Available Functions Window.

- B.2.1 Sdss
- B.2.2 Browsers
- B.2.3 SuperCosmos
- B.2.4 Mgc
- B.2.5 Sog
- B.2.6 BasicImageDisplay
- B.2.7 TwoQZ
- B.2.8 Image
- B.2.9 Output
- B.2.10 System

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TOPCAT - Tool for OPerations on Catalogues And Tables
Starlink User Note253
TOPCAT web page: http://www.starlink.ac.uk/topcat/
Author email: m.b.taylor@bristol.ac.uk
Mailing list: topcat-user@bristol.ac.uk