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new file: A-Better-APRS-Packet-Demodulator-Part-1-1200-baud.pdf new file: A-Better-APRS-Packet-Demodulator-Part-2-9600-baud.pdf modified: APRStt-Implementation-Notes.pdf modified: CHANGES.txt new file: Makefile modified: Makefile.linux modified: Makefile.win deleted: Quick-Start-Guide-Windows.pdf modified: Raspberry-Pi-APRS-Tracker.pdf modified: Raspberry-Pi-APRS.pdf modified: User-Guide.pdf modified: aclients.c modified: aprs_tt.c modified: aprs_tt.h modified: atest.c modified: audio.c modified: audio.h modified: audio_win.c modified: ax25_pad.c modified: ax25_pad.h modified: beacon.c modified: beacon.h modified: config.c modified: config.h modified: decode_aprs.c modified: decode_aprs.h modified: demod.c modified: demod.h modified: demod_9600.c modified: demod_9600.h modified: demod_afsk.c modified: digipeater.c modified: digipeater.h modified: direwolf.c modified: direwolf.conf deleted: direwolf.desktop modified: direwolf.h new file: direwolf.spec new file: direwolf.txt new file: dlq.c new file: dlq.h modified: dsp.c new file: dtime_now.c new file: dtime_now.h modified: dtmf.c modified: dtmf.h new file: dwespeak.bat new file: dwespeak.sh modified: fsk_demod_state.h modified: gen_packets.c modified: gen_tone.c new file: geotranz/README-FIRST.txt new file: geotranz/error_string.c new file: geotranz/error_string.h new file: geotranz/mgrs.c new file: geotranz/mgrs.h new file: geotranz/polarst.c new file: geotranz/polarst.h new file: geotranz/readme.txt new file: geotranz/releasenotes.txt new file: geotranz/tranmerc.c new file: geotranz/tranmerc.h new file: geotranz/ups.c new file: geotranz/ups.h new file: geotranz/usng.c new file: geotranz/usng.h new file: geotranz/utm.c new file: geotranz/utm.h modified: hdlc_rec.c modified: hdlc_rec.h modified: hdlc_rec2.c modified: hdlc_rec2.h modified: hdlc_send.c modified: igate.c modified: igate.h modified: kiss_frame.c modified: kiss_frame.h modified: kissnet.c modified: latlong.c modified: latlong.h modified: ll2utm.c modified: log.c modified: log.h new file: man1/aclients.1 new file: man1/atest.1 new file: man1/decode_aprs.1 new file: man1/direwolf.1 new file: man1/gen_packets.1 new file: man1/ll2utm.1 new file: man1/log2gpx.1 new file: man1/text2tt.1 new file: man1/tt2text.1 new file: man1/utm2ll.1 modified: multi_modem.c modified: multi_modem.h new file: pfilter.c new file: pfilter.h modified: ptt.c modified: ptt.h deleted: pttest.c modified: rdq.c new file: recv.c new file: recv.h modified: redecode.c modified: redecode.h modified: rrbb.c modified: rrbb.h modified: server.c modified: server.h modified: telemetry.c modified: telemetry.h modified: textcolor.c modified: textcolor.h modified: tocalls.txt modified: tq.c modified: tq.h modified: tt_text.c modified: tt_text.h modified: tt_user.c modified: tt_user.h new file: ttcalc.c deleted: udp_test.c deleted: utm/LatLong-UTMconversion.c deleted: utm/LatLong-UTMconversion.h deleted: utm/README.txt deleted: utm/SwissGrid.cpp deleted: utm/UTMConversions.cpp deleted: utm/constants.h modified: utm2ll.c modified: version.h new file: xid.c modified: xmit.c modified: xmit.h
254 lines
9.3 KiB
C
254 lines
9.3 KiB
C
#ifndef MGRS_H
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#define MGRS_H
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/***************************************************************************/
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/* RSC IDENTIFIER: MGRS
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*
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* ABSTRACT
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*
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* This component converts between geodetic coordinates (latitude and
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* longitude) and Military Grid Reference System (MGRS) coordinates.
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*
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* ERROR HANDLING
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*
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* This component checks parameters for valid values. If an invalid value
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* is found, the error code is combined with the current error code using
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* the bitwise or. This combining allows multiple error codes to be
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* returned. The possible error codes are:
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*
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* MGRS_NO_ERROR : No errors occurred in function
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* MGRS_LAT_ERROR : Latitude outside of valid range
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* (-90 to 90 degrees)
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* MGRS_LON_ERROR : Longitude outside of valid range
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* (-180 to 360 degrees)
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* MGRS_STR_ERROR : An MGRS string error: string too long,
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* too short, or badly formed
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* MGRS_PRECISION_ERROR : The precision must be between 0 and 5
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* inclusive.
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* MGRS_A_ERROR : Semi-major axis less than or equal to zero
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* MGRS_INV_F_ERROR : Inverse flattening outside of valid range
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* (250 to 350)
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* MGRS_EASTING_ERROR : Easting outside of valid range
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* (100,000 to 900,000 meters for UTM)
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* (0 to 4,000,000 meters for UPS)
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* MGRS_NORTHING_ERROR : Northing outside of valid range
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* (0 to 10,000,000 meters for UTM)
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* (0 to 4,000,000 meters for UPS)
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* MGRS_ZONE_ERROR : Zone outside of valid range (1 to 60)
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* MGRS_HEMISPHERE_ERROR : Invalid hemisphere ('N' or 'S')
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*
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* REUSE NOTES
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*
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* MGRS is intended for reuse by any application that does conversions
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* between geodetic coordinates and MGRS coordinates.
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*
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* REFERENCES
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*
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* Further information on MGRS can be found in the Reuse Manual.
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*
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* MGRS originated from : U.S. Army Topographic Engineering Center
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* Geospatial Information Division
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* 7701 Telegraph Road
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* Alexandria, VA 22310-3864
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*
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* LICENSES
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*
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* None apply to this component.
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*
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* RESTRICTIONS
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*
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*
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* ENVIRONMENT
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*
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* MGRS was tested and certified in the following environments:
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*
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* 1. Solaris 2.5 with GCC version 2.8.1
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* 2. Windows 95 with MS Visual C++ version 6
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*
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* MODIFICATIONS
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*
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* Date Description
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* ---- -----------
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* 16-11-94 Original Code
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* 15-09-99 Reengineered upper layers
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*
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*/
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/***************************************************************************/
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/*
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* DEFINES
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*/
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#define MGRS_NO_ERROR 0x0000
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#define MGRS_LAT_ERROR 0x0001
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#define MGRS_LON_ERROR 0x0002
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#define MGRS_STRING_ERROR 0x0004
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#define MGRS_PRECISION_ERROR 0x0008
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#define MGRS_A_ERROR 0x0010
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#define MGRS_INV_F_ERROR 0x0020
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#define MGRS_EASTING_ERROR 0x0040
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#define MGRS_NORTHING_ERROR 0x0080
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#define MGRS_ZONE_ERROR 0x0100
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#define MGRS_HEMISPHERE_ERROR 0x0200
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#define MGRS_LAT_WARNING 0x0400
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/***************************************************************************/
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/*
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* FUNCTION PROTOTYPES
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*/
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/* ensure proper linkage to c++ programs */
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#ifdef __cplusplus
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extern "C" {
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#endif
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long Set_MGRS_Parameters(double a,
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double f,
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char *Ellipsoid_Code);
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/*
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* The function Set_MGRS_Parameters receives the ellipsoid parameters and sets
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* the corresponding state variables. If any errors occur, the error code(s)
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* are returned by the function, otherwise MGRS_NO_ERROR is returned.
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*
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* a : Semi-major axis of ellipsoid in meters (input)
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* f : Flattening of ellipsoid (input)
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* Ellipsoid_Code : 2-letter code for ellipsoid (input)
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*/
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void Get_MGRS_Parameters(double *a,
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double *f,
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char *Ellipsoid_Code);
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/*
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* The function Get_MGRS_Parameters returns the current ellipsoid
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* parameters.
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*
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* a : Semi-major axis of ellipsoid, in meters (output)
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* f : Flattening of ellipsoid (output)
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* Ellipsoid_Code : 2-letter code for ellipsoid (output)
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*/
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long Convert_Geodetic_To_MGRS (double Latitude,
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double Longitude,
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long Precision,
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char *MGRS);
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/*
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* The function Convert_Geodetic_To_MGRS converts geodetic (latitude and
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* longitude) coordinates to an MGRS coordinate string, according to the
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* current ellipsoid parameters. If any errors occur, the error code(s)
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* are returned by the function, otherwise MGRS_NO_ERROR is returned.
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*
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* Latitude : Latitude in radians (input)
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* Longitude : Longitude in radians (input)
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* Precision : Precision level of MGRS string (input)
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* MGRS : MGRS coordinate string (output)
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*
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*/
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long Convert_MGRS_To_Geodetic (char *MGRS,
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double *Latitude,
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double *Longitude);
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/*
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* This function converts an MGRS coordinate string to Geodetic (latitude
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* and longitude in radians) coordinates. If any errors occur, the error
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* code(s) are returned by the function, otherwise MGRS_NO_ERROR is returned.
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*
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* MGRS : MGRS coordinate string (input)
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* Latitude : Latitude in radians (output)
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* Longitude : Longitude in radians (output)
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*
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*/
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long Convert_UTM_To_MGRS (long Zone,
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char Hemisphere,
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double Easting,
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double Northing,
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long Precision,
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char *MGRS);
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/*
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* The function Convert_UTM_To_MGRS converts UTM (zone, easting, and
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* northing) coordinates to an MGRS coordinate string, according to the
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* current ellipsoid parameters. If any errors occur, the error code(s)
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* are returned by the function, otherwise MGRS_NO_ERROR is returned.
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*
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* Zone : UTM zone (input)
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* Hemisphere : North or South hemisphere (input)
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* Easting : Easting (X) in meters (input)
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* Northing : Northing (Y) in meters (input)
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* Precision : Precision level of MGRS string (input)
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* MGRS : MGRS coordinate string (output)
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*/
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long Convert_MGRS_To_UTM (char *MGRS,
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long *Zone,
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char *Hemisphere,
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double *Easting,
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double *Northing);
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/*
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* The function Convert_MGRS_To_UTM converts an MGRS coordinate string
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* to UTM projection (zone, hemisphere, easting and northing) coordinates
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* according to the current ellipsoid parameters. If any errors occur,
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* the error code(s) are returned by the function, otherwise UTM_NO_ERROR
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* is returned.
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*
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* MGRS : MGRS coordinate string (input)
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* Zone : UTM zone (output)
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* Hemisphere : North or South hemisphere (output)
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* Easting : Easting (X) in meters (output)
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* Northing : Northing (Y) in meters (output)
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*/
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long Convert_UPS_To_MGRS ( char Hemisphere,
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double Easting,
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double Northing,
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long Precision,
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char *MGRS);
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/*
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* The function Convert_UPS_To_MGRS converts UPS (hemisphere, easting,
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* and northing) coordinates to an MGRS coordinate string according to
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* the current ellipsoid parameters. If any errors occur, the error
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* code(s) are returned by the function, otherwise UPS_NO_ERROR is
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* returned.
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*
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* Hemisphere : Hemisphere either 'N' or 'S' (input)
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* Easting : Easting/X in meters (input)
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* Northing : Northing/Y in meters (input)
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* Precision : Precision level of MGRS string (input)
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* MGRS : MGRS coordinate string (output)
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*/
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long Convert_MGRS_To_UPS ( char *MGRS,
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char *Hemisphere,
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double *Easting,
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double *Northing);
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/*
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* The function Convert_MGRS_To_UPS converts an MGRS coordinate string
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* to UPS (hemisphere, easting, and northing) coordinates, according
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* to the current ellipsoid parameters. If any errors occur, the error
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* code(s) are returned by the function, otherwide UPS_NO_ERROR is returned.
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*
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* MGRS : MGRS coordinate string (input)
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* Hemisphere : Hemisphere either 'N' or 'S' (output)
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* Easting : Easting/X in meters (output)
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* Northing : Northing/Y in meters (output)
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* MGRS_H */
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