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README to make a map for "the WMO-2001 over the Japan Sea"
                         Dec. 14 by Shin Satoh (satoh@crl.go.jp)
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[1] Prepare a gsi map all over the Japan using 1km-grid GSI data
(a) gcc gsimap.c -o gsimap
(b) gsimap japan_gsimap ../data/1km/*
# if you have "japan_gsimap" and "japan_gsimap.ctl", 
  you don't need the above processing. 

[2] Display the map using GrADS
(a) grads -lc "run japan_sea.gs"
(b) ga> run print_gif.gs japan_sea

