/****************************************************************/
/*                                                              */
/*      This header file declares the global variables and the  */
/*      structures that are to be used for command line         */
/*      processing                                              */
/*                                                              */

/****************************************************************/

extern double east;
extern double north;
extern double obs_elev;
extern double max_dist;
extern char *elev_layer;
extern char *patt_layer;
extern char *out_layer;