Title                  :RWEMMDPL Version 1.1
Keywords               :XEDS, EELS
Computer               :DEC VAX 11/730-785, DEC PDP 11/2-11/73
Operating System       :VAXVMS, RT-11
Programming Language   :Fortran IV
Hardware Requirements  :None
Author(s)              :Nestor J. Zaluzec
Correspondence Address :Argonne Nat. Lab, Electron Microscopy Center,Bldg 212
                       :Materials Science Division, Argonne, Illinois 60439,
Documentation:
	The EMMPDL data format is a proposed spectral file format to allow
the routine transfer of data between various microanalytical equipment 
data acquisition systems.  It is also the data file format which is employed
for the EELS Spectral Library initiated by the Electron Microscopy Center for
Materials Research at Argonne National Lab.  An example of the data file
format is given below.  
	The data are stored as simple ASCII characters at a user defined number 
of columns per line for the length of the data file. The spectral data is 
preceeded by a series of header lines, which tell the user about the parameters 
of the spectrum. The header lines are identified by the first character in the 
line being the symbol (#) followed by a four letter descriptor  and if 
appropriate its units as defined below:

C
C	EMMPDL FILE FORMAT VERSION 1.1
C	
C	HEADER LINES:
C       -------------
C       LINE 1            = TITLE OF OF FILE CONTAINS TEXT IDENTIFICATION
C       LINE 2-15         = EMMPDL HEADER INFORMATION (SEE BELOW FOR DETAILS)
C       LINES 16 - "NLINE"=  DATA STORED AS "NCOL" DATA POINTS
C                           EACH DATA POINT SEPERATED BY A 
C                           COMMA AS A DELIMINATOR,
C	LINE "NLINE" +1   = END OF FILE MARKER
C
C	THE HEADER LINES 1-15 ARE DESCRIBED BELOW; EACH BEGINS WITH
C	A MARKER THE NUMBER SIGN (#) WHICH IS FOLLOWED BY AT LEAST A
C	FOUR CHARACTER DESCRIPTOR, IF THE DESCRIPTOR IS FOLLOWED BY A
C	DASH (-)  THEN THE NEXT FOUR CHARACTERS HOLD THE UNITS
C	OF MEASUREMENT OF THE DESCRIPTOR. THE COLON SIGN (:) IS THE END
C	OF THE TEXT FIELD (ALWAYS THE 10TH CHARACTER BY THE WAY) AND
C	THE REMAINING TEXT IN THE LINE SHOULD BE READ AS THE VALUE OF
C	THE DESCRIPTOR
C
C	FOR EXAMPLE 
C
C	#VOLT-KV : 100.00
C
C	MEANS THE VALUE OF THE PARAMETER ON THIS
C	LINE IS A VOLTAGE IN UNITS OF KV AND IS 100.00
C
C	THE FOLLOWING DOCUMENTS THE HEADER LINES AND DEFINITIONS USED
CLINE  ----------------------------------------------------------------
C1	LABEL #TITLE   := TITLE OF SPECTRUM
C2	LABEL #VERSION := VERSION NUMBER OF EMMPDL FILE
C3	LABEL #NPT     := NUMBER OF DATA POINTS IN SPECTRUM (MAX=4096)
C4	LABEL #NCOL    := NUMBER OF COLUMNS OF DATA/LINE OF SPECTRUM
C5	LABEL #OFFS-EV := OFFSET ENERGY OF FIRST CHANNEL (IN EV)
C6	LABEL #EVCH    := EV/CHANNEL
C7	LABEL #VOLT-KV := ACCELERATING VOLTAGE (KV)
C8	LABEL #ALPH-MR := INCIDENT BEAM DIVERGENCE (MR) FOR EELS DATA
C                       = X-AXIS (ROD AXIS) TILT  FOR XEDS DATA
C9	LABEL #BETA-MR := SCATTERING ANGLE (MR) FOR EELS DATA
C                       = Y-AXIS (CUP AXIS) TILT  FOR XEDS DATA
C10	LABEL #LTIM-MS := LIVE TIME (DWELL MSEC) FOR EELS OR 
C		        = SIMPLE LIVE TIME FOR XEDS DATA
C11	LABEL #DTIM-MS := DEAD TIME
C12	LABEL #BCUR-NA := INCIDENT BEAM CURRENT IN nA
C13	LABEL #BDIA-NM := BEAM(PROBE) DIAMETER IN nm
C14	LABEL #THCK-NM := SPECIMEN THICKNESS ALONG BEAM DIRECTION IN nm.
C15	LABEL #SPECTRUM:= INDICATES NEXT LINE STARTS SPECTRAL DATA
C			= OWNER(S) NAME SHOULD FOLLOW THE COLON:
C16-?	LABEL NOTHING	= DATA @ NCOL/LINE FOR NPT NUMBER OF POINTS
C	LABEL #ENDDATA := INDICATES END OF DATA FILE
C               
C
C      
C-------------------------------------------------------------------

The example file is an EEL spectrum from Boron Nitride it consists of 1024
data points, stored as 5 values per line. The offset was -32.77 eV, recorded 
at 0.63 eV/channel at 100 kV, the incident beam divergence was 2 mR, while the
scattering angle was 5.7 mR, the acquisition (live time) was 500 msec/channel.
No dead time was reported, the incident beam current was 32 nA, probe size 100
nm, sample thickness 50 nm. The spectral data starts on the line following
the header #SPECTRUM: and ends at the #ENDDATA :

--------------EXAMPLE OF DATA FILE starts on the next line--------------------
#Title   :BORON NITRIDE EELS SPECTRUM B KSHELL N KSHELL
#Version :       1.1
#NPTS-   :    1024.0
#NCOL-   :       5.0
#OFFS-EV :   -32.777
#EVCH-   :     0.630
#VOLT-KV :     100.0
#ALPH-MR :      2.00
#BETA-MR :      5.70
#LTIM-MS :     500.0
#DTIM-MS :       0.0
#BCUR-NA :      32.0
#BDIA-NM :     100.0
#THCK-NM :      50.0
#SPECTRUM:Nestor J. Zaluzec Argonne National Lab EMCenter, Argonne IL. USA
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#ENDDATA :