module.exports = Object.freeze({
    NO1_TITLE: 0, 						// title
    NO1_CENTRAL_MERIDIAN: 1, 			// central meridian
    NO1_CORNER: 2, 						// area corner points
    NO1_WAYPOINT: 3, 					// way points line
    NO1_NUMBER_OF_LINES: 4, 			// number of lines
    NO1_MAX_CROSS_TRACK: 8, 			// max cross track
    NO1_DELTA_X_Y_Z: 9, 				// delta x, y, z (LL to UTM conversion)
    NO1_K0_XY_SHIFT: 11, 				// K0, x/y shift (LL to UTM conversion)
    NO1_1ST_LINE: 16, 					// 1st line number
    NO1_MASTER_POINT_HEADING: 17, 		// master point, heading
    NO1_ELLIPSOID: 20, 					// ellipsoid
    NO1_EQUATORIAL_CROSSING: 21, 		// equatorial crossing
    NO1_DIR_RAMDISK_SPRAYSIDE: 35, 		// project directory, ramdisk, and spray side
    NO1_SWATHWIDTH_AC_INSIDE_AREA: 36, 	// swath width, number of A/C, inside area
    NO1_HALF_SWATH_OFFFSET_1ST_TIME: 37,// half swath offset on 1st line(1=YES, 0=NO)
    NO1_DISPLAY_UNIT: 38, 				// display units (1=US, 2=metric)
    NO1_RACE_SKIP: 39, 					// race and skip track
    NO1_MAGNETIC_VARIATION: 40, 		// magnetic variation (degrees)
    NO1_SYSETEM_LAG: 41, 				// system lag (seconds)
    NO1_RELAY_ON_OFF: 42, 				// Relay ON/OFF (seconds), turn Relay ON/OFF early
    NO1_PATTERN: 43, 					// flight pattern
    NO1_EXPAND_LEFT_RIGHT: 44, 			// for expand spray pattern, indicates expand direction (1:left, 0: right)
    PRJ_ZONE_NAME: 62, 					// Zone name
    AGN_APPLICATION_RATE: 63, 			// Application rate for flow controller

    NO1_SWATHWIDTH_SEGMENTS: 202,       // 4 swath widths for each segment
    NO1_AREATYPE: 203,                  // Area Type 1: ABLINE, 65536: SPLIT BDY

    MAX_MAP_DIMEN: 4 * 1024,            // Maximum map dimention (in pixels)

    FILE_NO1: 1,
    FILE_SHP: 2,
    FILE_PRJ: 3,
    FILE_KML: 4,
    FILE_VFR: 5,
    FILE_AGN: 6,
    FILE_KMZ: 7,

    FILE_SATLOG_JOB: 8,

    MAX_ITEM: 3000,

    DATA_AGNAV: 1,
    DATA_SHAPE: 2,
    DATA_SALOG: 3,
    AGN_PACK_SIZE: 68
});