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#### A.10.1.7 Send FITS Image

Configuration for Send FITS Image action

The Send FITS Image action takes a URL or filename in the table that points to a FITS image, and sends it using SAMP to an external image viewer for display. It sends a message with the MType `image.load.fits`, so at least one external SAMP client subscribed to such messages must be registered.

Suitable image viewers for use with this action include Aladin, GAIA and SAOImage DS9.

Configuration:

Image Location
  Gives the URL or filename of the image to display for each row. A column name may be selected from the drop-down list, or the expression language may be used to assemble a location string from other columns.
Image Viewer
  Determines which external client(s) to send the image URLs to. The default is "All Clients" which will send it to all eligible applications, but you can select just one. Clicking the selector also serves to indicate which clients capable of acting on this message type are currently registered. If there are none, the action will be disabled.

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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@jiscmail.ac.uk