;+ ; Describes the data_index class ; ; :Author: ; Baptiste Cecconi ; ; :History: ; 2007/09/05: Created ; ; 2007/09/05: Last Edit ;- ; ;+ ; data_index__define is a procedure that <behavior desc here> ;- PRO DATA_index__DEFINE tmp = {data_index, ydh:0l, num:0l, $ ind:0., tl:0., rr:0., zz:0., $ ydf:0., zdf:0.} end