select obscat


This creates a reduced catalogue, based on a selection expression. The original catalogue is moved to a new name. If the original catalogue was, then it will be moved to The new obscat will have the name, and will be automatically loaded for you. So choose and show obscat will now act on this catalogue. N.B. this command does not read in any data, it only produces a reduced catalogue. You will now have to choose data from it.

xsel > select obscat <cat_sel>


xsel > select obscat "datamode=='BRIGHT'"

This makes a reduced obscat containing only files for which the datamode is BRIGHT.

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Last modified: Tuesday, 10-Jan-2023 11:02:59 EST