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/* mcidas.h
 */


/* Argh, looks like the numbers are in vax byte order */

#define TYPELEN         4 /* Short strings used as identifiers */
#define COMMENTLEN      32      /* longer strings */
/*
 * McIdas AREA DIRECTORY, based on documentation dated 5/87 by R. Dengal
 */

struct area_dir {
/*  1 */ unsigned long  status ;
/*  2 */ unsigned long  type ;
/*  3 */ unsigned long  satid ;
/*  4 */ unsigned long  ndate ; /* YYDDD */
/*  5 */ unsigned long  ntime ; /* HHMMSS */
/*  6 */ unsigned long  lcor ;
/*  7 */ unsigned long  ecor ;
/*  8 */ unsigned long  zcor ;
/*  9 */ unsigned long  lsiz ;
/* 10 */ unsigned long  esiz ;
/* 11 */ unsigned long  zsiz ;
/* 12 */ unsigned long  lres ;
/* 13 */ unsigned long  eres ;
/* 14 */ unsigned long  bands ;
/* 15 */ unsigned long  yzprefix ;
/* 16 */ unsigned long  projnum ;
/* 17 */ unsigned long  cdate ;
/* 18 */ unsigned long  ctime ;
/* 19 */ unsigned long  filtmap ;
/* 20 */ unsigned long  imageid ;
/* 21 */ unsigned long  resvid[4] ;
#define AREA_COMMENTS 24
/* 25 */ char   comments[COMMENTLEN] ;
#define AREA_CALKEY 32
/* 33 */ unsigned long  calkey ;
/* 34 */ unsigned long  navkey ;
/* 35 */ unsigned long  navkey2 ;
/* 36 */ unsigned long  lprefix ;
/* 37 */ unsigned long  pdl[8] ;
/* 45 */ unsigned long  band8 ;
/* 46 */ unsigned long idate ;
/* 47 */ unsigned long itime ;
/* 48 */ unsigned long  startscan ;
/* 49 */ unsigned long  doclen ;
/* 50 */ unsigned long  callen ;
/* 51 */ unsigned long  levlen ;
#define AREA_STYPE 51
/* 52 */ char   stype[TYPELEN] ;
/* 53 */ char   ctype[TYPELEN] ;
/* 54 */ unsigned long  reserved[11] ;
} ;

/*
 * McIdas NAVIGATION CODICIL, based on documentation dated 5/87 by D. Santek
 *  Only type 'GOES' used here currently
 */

struct navigation {
/*   1 */ char  type[TYPELEN] ;
#define NAV_DATA 1
/*   2 */ unsigned long iddate ;
/*   3 */ unsigned long itime ;
/*   4 */ unsigned long fill[37] ; /* expand this later, if needed */
#define NAV_RESERVED 40
/*  41 */ unsigned long reserved[80] ;
/* 121 */ char  memo[COMMENTLEN] ;
} ;

struct mc_area {
        struct area_dir *dir ;
        struct navigation *nav ;
        unsigned char *image ;
        unsigned char *priv ; /* conveninence pointer */
} ;