Titles: DARN ============= Contact: N. West, Oxford. Revision History:- ================ 3.02 N. West First version. Support for sub-run DAMN. Titles Files ------------ DARN banks should be stored in files using the naming convention:- darn_m.dat where m is the mask number e.g. darn_7.dat It is recommended that these files are not loaded using TITLES commands. See the Data Mask Manager chapter of the User Manual for details. Verification ------------ Description ----------- Bank Number: Mask number This bank contains sets of data masks that are created and used by Data Mask Manager (DMM). A singe DARN bank holds all the masks for all runs to which the numbered mask applies. Data Words ---------- Data types: B(bit), I, F, D(double), H(hollerith 4 char) Fixed length Database Header. See titles_dbhdr.html The validity range is always universal. Word Mnemonic [symbolic command] Description ---- -------- ------------------------------- KDARN... 1 I _HDR_VER Version number 2 I _HDR_COMP_ALGOR Compression algorithm 3 I _HDR_FORMAT Format: Always 0 4 I _SUB_RUN Sub-run: Always 0 (not used) 5..10 I Spare The remainder of the bank consists of a series of Run Records. Each Run Record starts with a 3 word header:- +1 I -ve. run number (the minus sign flags a new Run Record) +2 I Default Applied Mask +3 I Default Result mask The Run Record Header is followed by none or more Run Record Entries. Each is between 1 and 3 words long:- +1 I Entry_mask*10**8 + GTID where entry_mask = 0 GTID only = 1 GTID + Applied Mask = 2 GTID + Result Mask = 3 GTID + Applied Mask + Result Mask. +2 I Applied Mask if necessary +3 I Result Mask if necessary