The sections below give basic information about finding and downloading EIS data using three different methods. New users should try all three as each has its own strengths.
A basic search by date is done by clicking on the EIS box, and entering times in EPOCH_START and EPOCH_END.
Searches using EIS-specific keywords can be done by clicking on the EIS button under ‘More search criteria’. A useful option is to search on study acronym (E_STUD_ACR).
Multiple groups of files are packaged as gzipped tar files. They should be downloaded into a directory such as /data/hinode. They unpack into directories such as eis/level0/2007/11/01.
Thumbnail images are available for each file, and the files can be downloaded.
IDL> eis_cat
(Note: if the catalogue seems to be empty, then try typing "s=fix_zdbase(/eis)" before you call eis_cat.)
Specify a date range, or use one of the search limiters to give a list of EIS files. Each file can then be downloaded by clicking on the ‘Download’ button on the GUI.
Although not necessary for this tutorial, it is good practice to keep your EIS data files organized in a standard directory hierarchy. The process is simple, requiring you to define the top level data directory with the environment variable $HINODE_DATA in your .cshrc file or idl_startup.pro file. Once this is done, the 9-Dec-2006 file can be placed in the directory with
IDL> eis_ingest, 'eis_l0_20061209_113031.fits.gz'
Please see EIS Software Note 18 for more details.