excmd - Extract a CMD from two PLANET photometry archives.

Usage:
   excmd Varchive Iarchive CMDfile [-axv]

where:
   Varchive = name of the V-band photometry archive
   Iarchive = name of the I-band photometry archive
   CMDfile  = name of the output ascii CMD file to create

options:
   -a = extract all stars, not just types 11-13, and extra info
   -x = use internal cross-references (misaligned archives)
   -v = send verbose output to tty

Note that V and I above are merely placeholders to illustrate
the command, in principle any two filter archives may be used.

Makefile entry:

excmd: excmd.o reducplSub.o lectSub.o AoVSub.o 
	$(CC) -o excmd excmd.o reducplSub.o lectSub.o AoVSub.o -lm

or equivalent.  Must e linked with reducplSub.o, lectSub.o and AoVSub.o
plus the C stdmath library (-lm).

R. Pogge, OSU Astronomy
pogge@astronomy.ohio-state.edu
2000 May 18

Modification History:
  2000 May 22: enabled -x flag to handle the case of mis-aligned archives
               with cross-reference IDs set in the StarInfo data structure.
               [rwp/osu]
  2000 May 23: production version [rwp/osu]