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A Trix index consists of a pair of files that allow for fast look-up of free text associated with a
list of identifiers. The index is created from a single line-oriented text file using the program
ixIxx. Each line in the text file starts with an identifier, followed by free text
associated with the ID.
To complete the steps below you must first download the
ixIxx utility. For more
information on downloading our command line utilities, see these
To create a Trix index, follow these steps:
id1 this is text for id1 id2 this is text for id2 id3 this is text for id3
ixIxxprogram on your text file.
ixIxx input.txt myTrix.ix myTrix.ixx
If you want to use your Trix index in a track hub, see the
searchTrix setting in the
Track Database Definition Document for more information.