... GPI Data Pipeline 1.0 documentation . ... Data Parser . How the Parser Generates Recipes . ... The Data Parser looks at a collection of many FITS files (e.g. all the files from a given night, or a given observing program), and based on header keywords, it generates appropriate recipes to reduce the available data, including both calibration files and science data. ... The output Data directory for any fits files created by a recipe can be changed manually in upper right of the data parser window. ...