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"Hammock" is a new file format used for displaying richly annotated genomics features on the Browser. It is designed by Xin.

This format has scant similarity to the BED format, but is far better (comfortable) to make and use than a bed, thus it's called "hammock".

A hammock file is line-oriented, tabular text file. Each line is one genomic feature, and all lines have 4 columns:

  • chromosome name
  • start coordinate (0 offset)
  • stop coordinate
  • JSON annotation