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ww3_grib.ftn
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#include "w3macros.h"
!/ ------------------------------------------------------------------- /
PROGRAM W3GRIB
!/
!/ +-----------------------------------+
!/ | WAVEWATCH III NOAA/NCEP |
!/ | H. L. Tolman |
!/ | A. Chawla |
!/ | J.-H. Alves |
!/ | FORTRAN 90 |
!/ | Last update : 26-Jul-2018 |
!/ +-----------------------------------+
!/
!/ 01-Nov-1999 : Final FORTRAN 77 ( version 1.18 + error fix )
!/ 24-Jan-2000 : Upgrade to FORTRAN 90 ( version 2.00 )
!/ 25-Jan-2001 : Flat grid error exit added ( version 2.06 )
!/ 29-Apr-2002 : Adding output fields 17-18. ( version 2.20 )
!/ 08-May-2002 : Replace XLF switch with NCEP1. ( version 2.21 )
!/ 13-Nov-2002 : Add stress vector. ( version 3.00 )
!/ 24-Dec-2004 : Multiple grid version. ( version 3.06 )
!/ 20-Jul-2005 : Additional output parameters. ( version 3.07 )
!/ 11-Apr-2007 : Additional output parameters. ( version 3.11 )
!/ 18-May-2007 : Update GRIB1 for partitioning. ( version 3.11 )
!/ 16-Jul-2007 : Adding GRIB2 capability. ( version 3.11 )
!/ (A. Chawla)
!/ 01-Aug-2007 : Update FLGRIB for GRIB2. ( version 3.11 )
!/ 29-May-2009 : Preparing distribution version. ( version 3.14 )
!/ 30-Oct-2009 : Implement run-time grid selection. ( version 3.14 )
!/ (W. E. Rogers & T. J. Campbell, NRL)
!/ 05-Oct-2011 : Updating to the 53 output parameter ( version 4.05 )
!/ (Arun Chawla)
!/ 01-Mar-2013 : Adding double-index output fields ( version 4.11 )
!/ (J-Henrique Alves)
!/ 01-Dec-2016 : Adding lambert conformal grid ( version 6.01 )
!/ (J.H. Alves)
!/ 26-Jul-2018 : Adding polar stereographic grid ( version 6.05 )
!/ (J.H. Alves)
!/
!/ Copyright 2009 National Weather Service (NWS),
!/ National Oceanic and Atmospheric Administration. All rights
!/ reserved. WAVEWATCH III is a trademark of the NWS.
!/ No unauthorized use without permission.
!/
! 1. Purpose :
!
! Post-processing of grid output.
!
! 2. Method :
!
! Data is read from the grid output file out_grd.ww3 (raw data)
! and from the file ww3_grib.inp ( NDSI, output requests ).
! Model definition and raw data files are read using WAVEWATCH III
! subroutines.
! GRIB packing is performed using NCEP's W3 library (not supplied).
!
! When adding new parameters to GRIB packing, keep in mind that
! packing is done differently for scalar and vector quantities
!
! 3. Parameters :
!
! 4. Subroutines used :
!
! Name Type Module Description
! ----------------------------------------------------------------
! W3NMOD Subr. W3GDATMD Set number of model.
! W3SETG Subr. Id. Point to selected model.
! W3NDAT Subr. W3WDATMD Set number of model for wave data.
! W3SETW Subr. Id. Point to selected model for wave data.
! W3NAUX Subr. W3ADATMD Set number of model for aux data.
! W3SETA Subr. Id. Point to selected model for aux data.
! ITRACE Subr. W3SERVMD Subroutine tracing initialization.
! STRACE Subr. Id. Subroutine tracing.
! NEXTLN Subr. Id. Get next line from input filw
! EXTCDE Subr. Id. Abort program as graceful as possible.
! STME21 Subr. W3TIMEMD Convert time to string.
! TICK21 Subr. Id. Advance time.
! DSEC21 Func. Id. Difference between times.
! W3IOGR Subr. W3IOGRMD Reading/writing model definition file.
! W3IOGO Subr. W3IOGOMD Reading/writing raw gridded data file.
! W3READFLGRD Subr. W3IOGOMD Reading output fields flags.
! W3EXGB Subr. Internal Execute grib output.
! BAOPEN Subr. NCEP library routine.
! BAOPENW Subr. NCEP library routine.
! ----------------------------------------------------------------
!
! 5. Called by :
!
! None, stand-alone program.
!
! 6. Error messages :
!
! Checks on input, checks in W3IOxx.
!
! 7. Remarks :
!
! 8. Structure :
!
! See source code.
!
! 9. Switches :
!
! !/S Enable subroutine tracing.
!
! !/NCO NCEP NCO modifications for operational implementation.
!
! !/NOGRB No GRIB package included.
! !/NCEP1 NCEP IBM links to GRIB1 packing routines.
! !/NCEP2 NCEP IBM links to GRIB2 packing routines.
!
! 10. Source code :
!
!/ ------------------------------------------------------------------- /
USE CONSTANTS
!
! USE W3GDATMD, ONLY: W3NMOD, W3SETG
USE W3WDATMD, ONLY: W3NDAT, W3SETW
! USE W3ADATMD, ONLY: W3NAUX, W3SETA
USE W3ODATMD, ONLY: W3NOUT, W3SETO
USE W3IOGRMD, ONLY: W3IOGR
USE W3IOGOMD, ONLY: W3READFLGRD, W3IOGO
USE W3SERVMD, ONLY : ITRACE, NEXTLN, EXTCDE
!/S USE W3SERVMD, ONLY : STRACE
USE W3TIMEMD, ONLY: STME21, TICK21, DSEC21
!
USE W3GDATMD
USE W3WDATMD, ONLY: TIME, WLV, ICE, UST, USTDIR
! USE W3ADATMD, ONLY: DW, UA, UD, AS, CX, CY, HS, WLM, T0M1, THM, &
! THS, FP0, THP0, FP1, THP1, DTDYN, FCUT, &
! PHS, PTP, PLP, PDIR, PSI, PWS, PWST, PNR, &
! USERO
USE W3ADATMD
USE W3ODATMD, ONLY: NDSE, NDST, NDSO, NOGRP, NGRPP, IDOUT, UNDEF,&
FLOGRD, FNMPRE, NOSWLL, NOGE, FLOGD
!
IMPLICIT NONE
!/
!/ ------------------------------------------------------------------- /
!/ Local variables
!/
INTEGER :: NDSI, NDSM, NDSOG, NDSDAT, NDSTRC, &
NTRACE, IERR, IOTEST, I,J,K, IFI,IFJ,&
ISEA, IX, IY, TOUT(2), NOUT, TDUM(2),&
FTIME(2), CID, PID, GID, GDS, IOUT, &
GDTN
INTEGER, ALLOCATABLE :: IFIA(:),IFJA(:)
! GRIB1 specific variables
!/NOGRB INTEGER :: KPDS(1), KGDS(1)
!/NCEP1 INTEGER :: KPDS(25), KGDS(22)
! GRIB2 specific variables
!/NCEP2 INTEGER :: KPDS(200), KGDS(200), IDRS(200)
!/NCEP2 INTEGER :: LISTSEC0(3), LISTSEC1(13),IGDS(5)
!/NCEP2 INTEGER :: IDEFLIST, IDEFNUM, KPDSNUM, NUMCOORD
!/NCEP2 INTEGER :: IBMP, LCGRIB, LENGRIB, IDRSNUM
!/NCEP2 REAL :: COORDLIST, XN
!/NCEP2 CHARACTER(LEN=1), ALLOCATABLE :: CGRIB(:)
!/NCEP2 INTEGER :: LATAN1, LONV, SCNMOD, LATIN1, &
!/NCEP2 LATIN2, LATSP, LONSP
!/NCEP2 REAL :: DSX, DSY
!/NCEP2 REAL :: YN, X0N, Y0N
!/S INTEGER, SAVE :: IENT = 0
REAL :: DTREQ, DTEST, RFTIME
LOGICAL :: FLREQ(NOGRP,NGRPP), FLGRIB(NOGRP,NGRPP)
CHARACTER :: COMSTR*1, IDTIME*23, IDDDAY*11
!/
!/ ------------------------------------------------------------------- /
!/
!/NCO/! CALL W3TAGB('WAVEGRIB',1998,0007,0050,'NP21 ')
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
! 1. IO set-up.
!
CALL W3NMOD ( 1, 6, 6 )
CALL W3SETG ( 1, 6, 6 )
CALL W3NDAT ( 6, 6 )
CALL W3SETW ( 1, 6, 6 )
CALL W3NAUX ( 6, 6 )
CALL W3SETA ( 1, 6, 6 )
CALL W3NOUT ( 6, 6 )
CALL W3SETO ( 1, 6, 6 )
!
NDSI = 10
NDSM = 20
NDSOG = 20
NDSDAT = 50
!
NDSTRC = 6
NTRACE = 10
!
!/NCO/!
!/NCO/! Redo according to NCO
!/NCO/!
!/NCO NDSI = 11
!/NCO NDSO = 6
!/NCO NDSE = NDSO
!/NCO NDST = NDSO
!/NCO NDSM = 12
!/NCO NDSOG = 13
!/NCO NDSDAT = 51
!/NCO NDSTRC = NDSO
!
WRITE (NDSO,900)
!
CALL ITRACE ( NDSTRC, NTRACE )
!/S CALL STRACE (IENT, 'W3GRIB')
!
OPEN (NDSI,FILE='ww3_grib.inp',STATUS='OLD',ERR=800,IOSTAT=IERR)
READ (NDSI,'(A)',END=801,ERR=802) COMSTR
IF (COMSTR.EQ.' ') COMSTR = '$'
WRITE (NDSO,901) COMSTR
!
!/NOGRB WRITE (NDSE,902)
!/NCEP1 CALL BAOPEN (NDSDAT,'gribfile',IERR)
!/NCEP2 CALL BAOPENW (NDSDAT,'gribfile',IERR)
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
! 2. Read model definition file.
!
CALL W3IOGR ( 'READ', NDSM )
WRITE (NDSO,920) GNAME
!
IF ( .NOT. FLAGLL ) GOTO 810
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
! 3. Read requests from input file.
! Output times
!
CALL NEXTLN ( COMSTR , NDSI , NDSE )
READ (NDSI,*,END=801,ERR=802) TOUT, DTREQ, NOUT
DTREQ = MAX ( 0. , DTREQ )
IF ( DTREQ.EQ.0 ) NOUT = 1
NOUT = MAX ( 1 , NOUT )
!
CALL STME21 ( TOUT , IDTIME )
WRITE (NDSO,940) IDTIME
!
TDUM(1) = 0
TDUM(2) = 0
CALL TICK21 ( TDUM , DTREQ )
CALL STME21 ( TDUM , IDTIME )
IF ( DTREQ .GE. 86400. ) THEN
WRITE (IDDDAY,'(I10,1X)') INT(DTREQ/86400.)
ELSE
IDDDAY = ' '
END IF
IDTIME(1:11) = IDDDAY
IDTIME(21:23) = ' '
WRITE (NDSO,941) IDTIME, NOUT
!
! ... Initialize FLGRD array
!
FLREQ(:,:)=.FALSE.
!
! ... Call to interface for reading flags or namelists
!
CALL W3READFLGRD ( NDSI, NDSO, 9, NDSE, COMSTR, FLOGD, FLREQ, &
1, 1, IERR )
!
! Inform user of parameters that were requested but failed to make the
! grade, as they are not available for grib encoding, or are not
! included presently
!
WRITE (NDSO,944)
! Reset flags for variables not yet implemented in grib output
! interface
!
!
IFI = 3 ! Entire group Frequency-dependent parameters
DO IFJ = 1,NOGE(IFI)
IF ( FLREQ(IFI,IFJ) ) THEN
WRITE (NDSO,946) IDOUT(IFI,IFJ), &
'*** NOT YET CODED INTO WW3_GRIB ***'
FLREQ(IFI,IFJ) = .FALSE.
END IF
END DO
!
IFI = 5 ! Atm-waves layer, all except for friction velocity
DO IFJ = 2,10
IF ( FLREQ(IFI,IFJ) ) THEN
WRITE (NDSO,946) IDOUT(IFI,IFJ), &
'*** NOT YET CODED INTO WW3_GRIB ***'
FLREQ(IFI,IFJ) = .FALSE.
END IF
END DO
DO IFI = 6,8 ! Entire groups wave-ocean interaction, wave-bottom
! layer and spectrum parameters
DO IFJ = 1,NOGE(IFI)
IF ( FLREQ(IFI,IFJ) ) THEN
WRITE (NDSO,946) IDOUT(IFI,IFJ), &
'*** NOT YET CODED INTO WW3_GRIB ***'
FLREQ(IFI,IFJ) = .FALSE.
END IF
END DO
END DO
IF ( FLREQ(9,5) ) THEN ! CFL number for K advection
WRITE (NDSO,946) IDOUT(9,5),'*** NOT YET CODED INTO WW3_GRIB ***'
FLREQ(9,5) = .FALSE.
END IF
IFI = 10 ! User defined parameters
DO IFJ = 1,NOGE(IFI)
IF ( FLREQ(IFI,IFJ) ) THEN
WRITE (NDSO,946) IDOUT(IFI,IFJ), &
'*** NOT YET CODED INTO WW3_GRIB ***'
FLREQ(IFI,IFJ) = .FALSE.
END IF
END DO
!
! Compatibility with NCEP operational codes, same effect as old FLGRIB
! lists variables that have no code for variable names (not 100%
! correct in old codes... )
!
! Chage this as parameters become available in grib2 tables
!
ALLOCATE ( IFIA (16), IFJA(16) )
IFIA = (/ 1, 1, 2, 2, 2, 2, 4, 4, 4, 4, 4, 5, 9, 9, 9, 9 /)
IFJA = (/ 1, 4, 2 ,3, 5, 8, 3, 5, 6, 7, 8, 1, 1, 2, 3, 4 /)
DO I = 1, 16
IF ( FLREQ(IFIA(I),IFJA(I)) ) THEN
FLREQ(IFIA(I),IFJA(I)) = .FALSE.
WRITE(NDSO,946) IDOUT(IFIA(I),IFJA(I)), &
'*** EXCLUDED FROM GRIB OUTPUT ***'
END IF
END DO
!
! Write to stdout parameters that have successfully been requested
!
WRITE (NDSO,945)
DO I=1, NOGRP
DO J=1, NGRPP
IF ( FLREQ(I,J) ) WRITE (NDSO,931) IDOUT(I,J)
END DO
END DO
!
!
!
! ... GRIB specific parameters
!
CALL NEXTLN ( COMSTR , NDSI , NDSE )
READ (NDSI,*,END=801,ERR=802) FTIME, CID, PID, GID, GDS, GDTN
!
! Check if grid type is curvilinear, and only go on if Lambert conformal
! or PolarStereo
!
IF ( GTYPE .EQ. CLGTYPE ) THEN
!/NCEP2! Allowing code to work with Lambert conformal grids
!/NCEP2 IF ( GDTN .NE. 30 .AND. GDTN .NE. 20 ) THEN
WRITE(NDSE,*)'PROGRAM W3GRIB: CURVILINEAR GRID SUPPORT '// &
'FOR GRIB OUTPUT IS NOT YET IMPLEMENTED. NOW STOPPING'
CALL EXTCDE ( 1 )
!/NCEP2 ENDIF
END IF
!
!
! Coded up to now only for Lamber conformal grids (GDTN=30) or
! PolarStereo (GDTN=20). For regular grids use GDTN=0
!
!/NCEP2 IF ( GDTN .EQ. 30 ) THEN
!/NCEP2! This is a Lambert conformal grid, read projection parameters
!/NCEP2 CALL NEXTLN ( COMSTR , NDSI , NDSE )
!/NCEP2 READ (NDSI,*,END=801,ERR=802) LATAN1, LONV, DSX, DSY, &
!/NCEP2 SCNMOD, LATIN1, LATIN2, LATSP, LONSP
!/NCEP2 ELSEIF ( GDTN .EQ. 20 ) THEN
!/NCEP2 CALL NEXTLN ( COMSTR , NDSI , NDSE )
!/NCEP2 READ (NDSI,*,END=801,ERR=802) LATAN1, LONV, DSX, DSY, &
!/NCEP2 SCNMOD
!/NCEP2 ENDIF
!
CALL STME21 ( FTIME , IDTIME )
WRITE (NDSO,948) IDTIME, CID, PID, GID, GDS
!
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
! 4. Read general data and first fields from file
! 4.a Read file.
!
CALL W3IOGO ( 'READ', NDSOG, IOTEST )
!
! 4.b Output fields in file
!
!
WRITE (NDSO,930)
DO I=1, NOGRP
DO J=1, NGRPP
IF ( FLOGRD(I,J) ) WRITE (NDSO,931) IDOUT(I,J)
END DO
END DO
!
!/NCEP2!
!/NCEP2 IF ( GDTN .EQ. 0 ) THEN
!/NCEP2!
! 4.c Flip MAPSF for REGULAR/RECTILINEAR grids
!
DO ISEA=1, NSEA
IX = MAPSF(ISEA,1)
IY = MAPSF(ISEA,2)
MAPSF(ISEA,2) = NY + 1 - IY
MAPSF(ISEA,3) = IY +( IX-1)*NY
END DO
!/NCEP2!
!/NCEP2 ENDIF
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - -
! 5. Set grib encoding parameter Sections
!
! ... Initialize KPDS and KGDS (for both NCEP1 and NCEP2)
!
KPDS = 0
KGDS = 0
!
! ... Set PDS GRIB1 elements
!
! ( 1) ID OF CENTER
! ( 2) GENERATING PROCESS ID NUMBER
! ( 3) GRID DEFINITION
! ( 4) GDS/BMS FLAG (RIGHT ADJ COPY OF OCTET 8)
! ** ( 5) INDICATOR OF PARAMETER
! ( 6) TYPE OF LEVEL
! ( 7) HEIGHT/PRESSURE , ETC OF LEVEL
! * ( 8) YEAR of century
! * ( 9) MONTH OF YEAR
! * (10) DAY OF MONTH
! * (11) HOUR OF DAY
! (12) MINUTE OF HOUR
! (13) INDICATOR OF FORECAST TIME UNIT
! * (14) TIME RANGE 1
! (15) TIME RANGE 2
! (16) TIME RANGE FLAG
! (17) NUMBER INCLUDED IN AVERAGE
! (18) VERSION NR OF GRIB SPECIFICATION
! (19) VERSION NR OF PARAMETER TABLE
! (20) NR MISSING FROM AVERAGE/ACCUMULATION
! * (21) CENTURY OF REFERENCE TIME OF DATA
! (22) UNITS DECIMAL SCALE FACTOR
! (23) SUBCENTER NUMBER
! (24) PDS BYTE 29, FOR NMC ENSEMBLE PRODUCTS
! (25) PDS BYTE 30, NOT USED
!
! * : Changing on the fly in main program
! ** : Changing on the fly in W3EXGB
!
!/NCEP1 KPDS( 1) = CID
!/NCEP1 KPDS( 2) = PID
!/NCEP1 KPDS( 3) = GID
!/NCEP1 KPDS( 4) = GDS
!/NCEP1 KPDS( 6) = 1
!/NCEP1 KPDS( 7) = 1
!/NCEP1 KPDS(13) = 1
!/NCEP1 KPDS(18) = 1
!/NCEP1 KPDS(22) = 2
!
! ... Set GDS GRIB1 elements
!
! ( 1) DATA REPRESENTATION TYPE
! ( 2) N(I) NR POINTS ON LATITUDE CIRCLE
! ( 3) N(J) NR POINTS ON LONGITUDE MERIDIAN
! ( 4) LA(1) LATITUDE OF ORIGIN
! ( 5) LO(1) LONGITUDE OF ORIGIN
! ( 6) RESOLUTION FLAG (RIGHT ADJ COPY OF OCTET 17)
! ( 7) LA(2) LATITUDE OF EXTREME POINT
! ( 8) LO(2) LONGITUDE OF EXTREME POINT
! ( 9) DI LONGITUDINAL DIRECTION OF INCREMENT
! (10) DJ LATITUDINAL DIRECTION INCREMENT
! (11) SCANNING MODE FLAG (RIGHT ADJ COPY OF OCTET 28)
! (19) NUMBER OF VERTICAL COORDINATE PARAMETERS
! (20) OCTET NUMBER OF THE LIST OF VERTICAL COORDINATE
! PARAMETERS OR OCTET NUMBER OF THE LIST OF NUMBERS
! OF POINTS IN EACH ROW OR 255 IF NEITHER ARE PRESENT
! (21) FOR GRIDS WITH PL, NUMBER OF POINTS IN GRID
! (22) NUMBER OF WORDS IN EACH ROW
!
!/NCEP1 KGDS( 2) = NX
!/NCEP1 KGDS( 3) = NY
!/NCEP1 KGDS( 4) = NINT(1000.*(Y0+(REAL(NY-1)*SY)))
!/NCEP1 KGDS( 5) = NINT(1000.*X0)
!/NCEP1 KGDS( 6) = 128
!/NCEP1 KGDS( 7) = NINT(1000.*Y0)
!/NCEP1 KGDS( 8) = NINT(1000.*(X0+REAL(NX-1)*SX))
!/NCEP1 KGDS( 9) = NINT(1000.*SX)
!/NCEP1 KGDS(10) = NINT(1000.*SY)
!/NCEP1 KGDS(20) = 255
!
! ... Set GRIB2 packing arrays
!
!/NCEP2 LCGRIB = 4*NX*NY
!/NCEP2 ALLOCATE(CGRIB(LCGRIB))
!
! ... Set GRIB2 Indicator Section
! ( 1) Discipline-GRIB Master Table Number (see Code Table 0.0)
! 0 = Metereological; 10 = Oceanographic
! ( 2) GRIB Edition Number
! ( 3)
!/NCEP2 LISTSEC0 = 0
!/NCEP2 LISTSEC0(1) = 10
!/NCEP2 LISTSEC0(2) = 2
!
! ... Set GRIB2 Identification Section
! ( 1) ID OF CENTER
! ( 2) ID OF SUB-CENTER
! ( 3) GRIB Master Tables Version Number (Code Table 1.0)
! ( 4) GRIB Local Tables Version Number (Code Table 1.0)
! ( 5) Significance of Reference Time (Code Table 1.2)
! * ( 6) YEAR (4 digits)
! * ( 7) MONTH OF YEAR
! * ( 8) DAY OF MONTH
! * ( 9) HOUR OF DAY
! (10) MINUTE OF HOUR
! (11) SECOND OF MINUTE
! (12) Production status of data (Code Table 1.3)
! (13) Type of processed data (Code Table 1.4)
!
!/NCEP2 LISTSEC1 = 0
!/NCEP2 LISTSEC1(1) = CID
!/NCEP2 LISTSEC1(3) = 2
!/NCEP2 LISTSEC1(4) = 1
!/NCEP2 LISTSEC1(5) = 1
!/NCEP2 LISTSEC1(13) = 1
!
! ... Set GRIB2 IGDS elements
! ( 1) Source of grid definition (Code Table 3.0)
! ( 2) Number of grid points
! ( 3) Number of octets needed for each additional grid points definition
! ( 4) Interpretation of list for optional points definition (Code Table 3.11)
! ( 5) Grid definition template number (Code Table 3.1)
!
!/NCEP2 IGDS = 0 ! Defined in code
!/NCEP2 IGDS(2) = NX*NY
!/NCEP2 IDEFNUM = 0
!/NCEP2 IDEFLIST = 0
!/NCEP2 IGDS(5)=GDTN
!/NCEP2 IF ( GDTN .EQ. 30 .AND. GTYPE .EQ. CLGTYPE ) THEN
!/NCEP2 IDEFNUM = 1
!/NCEP2 WRITE (NDSO,1011) 'LAMBERTCONF'
!/NCEP2 ELSEIF ( GDTN .EQ. 20 .AND. GTYPE .EQ. CLGTYPE ) THEN
!/NCEP2 WRITE (NDSO,1011) 'POLARSTEREO'
!/NCEP2 ELSEIF ( GDTN .EQ. 0 ) THEN
!/NCEP2 WRITE (NDSO,1011) 'LLRECTILINEAR'
!/NCEP2 ELSE
!/NCEP2 WRITE(NDSE,*)'PROGRAM WAVEGRIB2: SUPPORT FOR CHOSEN '// &
!/NCEP2 'GRIB2 GRID DEFINITION TEMPLATE NOT YET IMPLEMENTED'
!/NCEP2 CALL EXTCDE ( 2 )
!/NCEP2 ENDIF
!
! ... Set GRIB2 KGDS elements
!
! General parameters for all grids
! ( 1) Coordinate system (6 = spherical coordinate system with radius of 6,371,229 m)
! ( 2)
! ( 3)
! ( 4)
! ( 5)
! ( 6)
! ( 7)
! ( 8) Number of points along parallel
! ( 9) Number of points along meridian
!/NCEP2 KGDS( 1) = 6
!/NCEP2 KGDS( 8) = NX
!/NCEP2 KGDS( 9) = NY
!
!/NCEP2 IF ( GDTN .EQ. 30 ) THEN
!
! Lambert Conformal grid
! (10) Latitude of first grid point
! (11) Longitude of first grid point
! (12) Resolution and component flags
! (13) Latitude where DX and DY are specified
! (14) Longitude of orientation
! (15) Increment of longitude
! (16) Increment of latitude
! (17) Projection center flag
! (18) Scanning mode
! (19) First latitude of secant cone
! (20) Second latitude of secant cone
! (21) Latitude of southern pole
! (22) Longitude of southern pole
!
!/NCEP2 X0 = MOD(XGRD(1,1) + 360.,360.)
!/NCEP2 XN = MOD(XGRD(NY,NX) + 360., 360.)
!/NCEP2 X0N = MOD(XGRD(NY,1) + 360., 360.)
!/NCEP2 KGDS(11)=KNINT(1000000.*X0)
!/NCEP2 Y0 = YGRD(1,1)
!/NCEP2 YN = YGRD(NY,NX)
!/NCEP2 Y0N = YGRD(NY,1)
!/NCEP2 KGDS(10)=KNINT(1000000.*Y0)
!/NCEP2 KGDS(12)=0
!/NCEP2 KGDS(13)=DBLE(1000000.*LATAN1)
!/NCEP2 KGDS(14)=DBLE(1000000.*LONV)
!/NCEP2 KGDS(15)=KNINT(1000000*DSX)
!/NCEP2 KGDS(16)=KNINT(1000000*DSY)
!/NCEP2 KGDS(17)=0
!/NCEP2 KGDS(18)=SCNMOD
!/NCEP2 KGDS(19)=DBLE(1000000.*LATIN1)
!/NCEP2 KGDS(20)=DBLE(1000000.*LATIN2)
!/NCEP2 KGDS(21)=DBLE(1000000.*LATSP)
!/NCEP2 KGDS(22)=DBLE(1000000.*LONSP)
!
!/NCEP2 ELSEIF (GDTN .EQ. 20 ) THEN
!
! PolarStereo grid
! (10) Latitude of first grid point
! (11) Longitude of first grid point
! (12) Res and component flags
! (13) Latitude where DX and DY are specified
! (14) Longitude of orientation
! (15) Increment of longitude
! (16) Increment of latitude
! (17) Projection center flag
! (18) Scanning mode
!
!/NCEP2 X0 = MOD(XGRD(1,1) + 360.,360.)
!/NCEP2 XN = MOD(XGRD(NY,NX) + 360., 360.)
!/NCEP2 X0N = MOD(XGRD(NY,1) + 360., 360.)
!/NCEP2 KGDS(11)=KNINT(1000000.*X0)
!/NCEP2 Y0 = YGRD(1,1)
!/NCEP2 YN = YGRD(NY,NX)
!/NCEP2 Y0N = YGRD(NY,1)
!/NCEP2 KGDS(10)=KNINT(1000000.*Y0)
!/NCEP2 KGDS(12)=0
!/NCEP2 KGDS(13)=DBLE(1000000.*LATAN1)
!/NCEP2 KGDS(14)=DBLE(1000000.*LONV)
!/NCEP2 KGDS(15)=KNINT(1000000*DSX)
!/NCEP2 KGDS(16)=KNINT(1000000*DSY)
!/NCEP2 KGDS(17)=0
!/NCEP2 KGDS(18)=SCNMOD
!
!/NCEP2 ELSEIF (GDTN .EQ. 0 ) THEN
!
! Lat Lon rectilinear grid
! (10)
! (11)
! (12) Latitude of first grid point
! (13) Longitude of first grid point
! (14) Res and component flags
! (15) Latitude of last grid point
! (16) Longitude of last grid point
! (17) Increment of longitude
! (18) Increment of latitude
! (19) Scanning mode
!
!/NCEP2 KGDS(12) = KNINT(1000000.*(Y0+(REAL(NY-1)*SY)))
!/NCEP2 X0 = MOD(X0 + 360.,360.)
!/NCEP2 KGDS(13) = KNINT(1000000.*X0)
!/NCEP2 KGDS(14) = 48
!/NCEP2 KGDS(15) = KNINT(1000000.*Y0)
!/NCEP2 XN = MOD(X0+REAL(NX-1)*SX + 360., 360.)
!/NCEP2 KGDS(16) = KNINT(1000000.*XN)
!/NCEP2 KGDS(17) = KNINT(1000000.*SX)
!/NCEP2 KGDS(18) = KNINT(1000000.*SY)
!/NCEP2 ENDIF
!
! ... Set GRIB2 PDS elements
! KPDSNUM (0 indicates forecast at a horizontal level)
! ( 1) Parameter category (Code Table 4.1)
! For oceanographic products -- 0 = waves; 1 = currents; 2 = ice
! For atmospheric products -- 2 = momentum
! ( 2) Parameter number (Code Table 4.2)
! ( 3) Generating process (Code Table 4.3)
! ( 4) Background generating process identifier (center specific)
! ( 5) Process or model number
! ( 6) Hours of observational data cutoff after reference time
! ( 7) Minutes of observational data cutoff after reference time
! ( 8) Indicator of forecast time unit (Code Table 4.4)
! ( 9) Time range
! (10) Type of level (Code Table 4.5) 1st level
! (11) Scaled factor of (10)
! (12) Scaled value of (10)
! (13) Type of level (Code Table 4.5) 2nd level
! (14) Scaled factor of (13)
! (15) Scaled value of (13)
!
!/NCEP2 KPDSNUM = 0
!/NCEP2 KPDS( 3) = 2
!/NCEP2 KPDS( 4) = 0
!/NCEP2 KPDS( 5) = PID
!/NCEP2 KPDS( 8) = 1
!/NCEP2 KPDS(10) = 1
!/NCEP2 KPDS(12) = 1
!/NCEP2 KPDS(13) = 255
!
! ... Set GRIB2 vertical layer information
!
!/NCEP2 NUMCOORD = 0
!/NCEP2 COORDLIST = 0.0
!
! ... Set GRIB2 bitmap information
! 0 Bitmap is provided
!
!/NCEP2 IBMP = GDS
!
! ... Set GRIB2 Data Representation Template Number (Code Table 5.0)
!
!/NCEP2 IDRSNUM = 40 !jpeg2000 *** SEGFAULTS in some linux
! clusters with Intel compiler ***
!/NCEP2 !IDRSNUM = 0 !simple packing
!/NCEP2 !IDRSNUM = 41 !png packing
!/NCEP2 !IDRSNUM = 2 !Complex Packing (Grid Point Data)
!
! ... Set GRIB2 IDRS elements
! ( 1) Reference value (R) (IEEE 32-bit floating-point value)
! ( 2) Binary Scale Factor (E)
! ( 3) Decimal Scale Factor (D)
! ( 4) Number of bits used for each packed value
! ( 5) Type of original field values (Code Table 5.1)
!
!/NCEP2 IDRS = 0
!/NCEP2 IDRS(3) = 2
!
!/T WRITE (NDST,9050) KPDS
!/T WRITE (NDST,9051) KGDS
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
! 6. Time management.
!
IOUT = 0
WRITE (NDSO,970)
!
DO
DTEST = DSEC21 ( TIME , TOUT )
IF ( DTEST .GT. 0. ) THEN
CALL W3IOGO ( 'READ', NDSOG, IOTEST )
IF ( IOTEST .EQ. -1 ) THEN
WRITE (NDSO,942)
GOTO 888
END IF
CYCLE
END IF
IF ( DTEST .LT. 0. ) THEN
CALL TICK21 ( TOUT , DTREQ )
CYCLE
END IF
!
IOUT = IOUT + 1
CALL STME21 ( TOUT , IDTIME )
!
RFTIME = DSEC21 ( FTIME , TIME ) / 3600.
IF ( RFTIME .LT. 0. ) THEN
!/NCEP1 KPDS( 8) = 1 + MOD(TIME(1)/10000-1,100)
!/NCEP1 KPDS( 9) = MOD(TIME(1),10000) / 100
!/NCEP1 KPDS(10) = MOD(TIME(1),100)
!/NCEP1 KPDS(11) = TIME(2) / 10000
!/NCEP1 KPDS(14) = 0
!/NCEP1 KPDS(21) = 1 + (TIME(1)/10000-1)/100
!/NCEP2 LISTSEC1( 6) = TIME(1)/10000
!/NCEP2 LISTSEC1( 7) = MOD(TIME(1),10000) / 100
!/NCEP2 LISTSEC1( 8) = MOD(TIME(1),100)
!/NCEP2 LISTSEC1( 9) = TIME(2) / 10000
!/NCEP2 KPDS( 9) = 0
WRITE (NDSO,972) IDTIME
ELSE
!/NCEP1 KPDS( 8) = 1 + MOD(FTIME(1)/10000-1,100)
!/NCEP1 KPDS( 9) = MOD(FTIME(1),10000) / 100
!/NCEP1 KPDS(10) = MOD(FTIME(1),100)
!/NCEP1 KPDS(11) = FTIME(2) / 10000
!/NCEP1 KPDS(14) = NINT(RFTIME)
!/NCEP1 KPDS(21) = 1 + (FTIME(1)/10000-1)/100
!/NCEP2 LISTSEC1( 6) = FTIME(1)/10000
!/NCEP2 LISTSEC1( 7) = MOD(FTIME(1),10000) / 100
!/NCEP2 LISTSEC1( 8) = MOD(FTIME(1),100)
!/NCEP2 LISTSEC1( 9) = FTIME(2) / 10000
!/NCEP2 KPDS( 9) = NINT(RFTIME)
WRITE (NDSO,971) IDTIME, NINT(RFTIME)
END IF
!
CALL W3EXGB ( NX, NY, NSEA )
CALL TICK21 ( TOUT , DTREQ )
IF ( IOUT .GE. NOUT ) EXIT
END DO
!
GOTO 888
!
! Escape locations read errors :
!
800 CONTINUE
WRITE (NDSE,1000) IERR
CALL EXTCDE ( 3 )
!
801 CONTINUE
WRITE (NDSE,1001)
CALL EXTCDE ( 4 )
!
802 CONTINUE
WRITE (NDSE,1002) IERR
CALL EXTCDE ( 5 )
!
810 CONTINUE
IF ( .NOT. FLAGLL ) THEN
WRITE (NDSE,1010)
CALL EXTCDE ( 10 )
END IF
!
888 CONTINUE
WRITE (NDSO,999)
!
!/NCO/! CALL W3TAGE('WAVEGRIB')
!
! Formats
!
900 FORMAT (/15X,' *** WAVEWATCH III GRIB output postp. *** '/ &
15X,'=============================================='/)
901 FORMAT ( ' Comment character is ''',A,''''/)
902 FORMAT (/' *** WARNING : NO GRIB PACKAGE LINKED ***'/)
!
920 FORMAT ( ' Grid name : ',A/)
!
930 FORMAT ( ' Fields in file : '/ &
' --------------------------')
931 FORMAT ( ' ',A)
!
940 FORMAT (/' Output time data : '/ &
' -----------------------------------------------------'/ &
' First time : ',A)
941 FORMAT ( ' Interval : ',A/ &
' Number of requests : ',I4)
942 FORMAT (/' End of file reached '/)
!
944 FORMAT (/' Requested output fields not yet available: '/ &
' -----------------------------------------------------')
!
945 FORMAT (/' Successfully requested output fields : '/ &
' -----------------------------------------------------')
946 FORMAT ( ' ',A,1X,A)
!
948 FORMAT (/' Additional GRIB parameters : '/ &
' -----------------------------------------------------'/ &
' Run time : ',A/ &
' GRIB center ID : ',I4/ &
' GRIB gen. proc. ID : ',I4/ &
' GRIB grid ID : ',I4/ &
' GRIB GDS parameter : ',I4)
!
970 FORMAT (//' Generating file '/ &
' -----------------------------------------------------')
971 FORMAT ( ' Data for ',A,' ',I3,'H forecast.')
972 FORMAT ( ' Data for ',A,' hindcast.')
!
999 FORMAT (/' End of program '/ &
' ========================================='/ &
' WAVEWATCH III GRIB output '/)
!
!/T 9050 FORMAT ( ' TEST W3GRIB : KPDS : ',13I4/ &
!/T ' ',12I4)
!/T 9051 FORMAT ( ' TEST W3GRIB : KGDS : ',8I6/ &
!/T ' ',8I6/ &
!/T ' ',6I6)
!
1000 FORMAT (/' *** WAVEWATCH III ERROR IN W3GRIB : '/ &
' ERROR IN OPENING INPUT FILE'/ &
' IOSTAT =',I5/)
!
1001 FORMAT (/' *** WAVEWATCH III ERROR IN W3GRIB : '/ &
' PREMATURE END OF INPUT FILE'/)
!
1002 FORMAT (/' *** WAVEWATCH III ERROR IN W3GRIB : '/ &
' ERROR IN READING FROM INPUT FILE'/ &
' IOSTAT =',I5/)
!
1010 FORMAT (/' *** WAVEWATCH-III ERROR IN W3GRIB : '/ &
' GRIB REQUIRES SPHERICAL GRID'/)
!/NCEP2 1011 FORMAT (/' CHOSEN GRID TYPE: : ',A/)
!/
!/ Internal subroutine W3EXGB ---------------------------------------- /
!/
CONTAINS
!/ ------------------------------------------------------------------- /
SUBROUTINE W3EXGB ( NX, NY, NSEA )
!/
!/ +-----------------------------------+
!/ | WAVEWATCH III NOAA/NCEP |
!/ | H. L. Tolman |
!/ | A. Chawla |
!/ | FORTRAN 90 |
!/ | Last update : 16-Jul-2007 |
!/ +-----------------------------------+
!/
!/ 10-Jun-1999 : Final FORTRAN 77 ( version 1.18 )
!/ 24-Jan-2000 : Upgrade to FORTRAN 90 ( version 2.00 )
!/ Massive changes to logistics.
!/ 29-Apr-2002 : Adding output fields 17-18. ( version 2.20 )
!/ 24-Dec-2004 : Multiple grid version. ( version 3.06 )
!/ 18-May-2007 : Update GRIB1 for partitioning. ( version 3.11 )
!/ 16-Jul-2007 : Adding GRIB2 capability ( version 3.11 )
!/ (A. Chawla)
!/
! 1. Purpose :
!
! Perform actual GRIB output.
!
! 3. Parameters :
!
! Parameter list
! ----------------------------------------------------------------
! NX, NY, NSEA
! Int. I Array dimensions.
! ----------------------------------------------------------------
!
! Internal parameters
! ----------------------------------------------------------------
! X1, X2, XX, XY
! R.A. Output fields
! BITMAP L.A. Data / no data bitmap
! ----------------------------------------------------------------
!
! 4. Subroutines used :
!
! Name Type Module Description
! ----------------------------------------------------------------
! STRACE Subr. W3SERVMD Subroutine tracing.
! EXTCDE Subr. Id. Abort program as graceful as possible.
! W3S2XY Subr. Id. Convert from storage to spatial grid.
! PUTGB Subr. NCEP GRIB1 library routine.
! GRIBCREATE Subr. NCEP GRIB2 library routine.
! ADDGRID Subr. NCEP GRIB2 library routine.
! ADDFIELD Subr. NCEP GRIB2 library routine.
! GRIBEND Subr. NCEP GRIB2 library routine.
! WRYTE Subr. NCEP GRIB2 library routine.
! ----------------------------------------------------------------
!
! 5. Called by :
!
! Program in which it is contained.
!
! 6. Error messages :
!
! None.
!
! 7. Remarks :
!
! - Note that arrays CX and CY of the main program now contain
! the absolute current speed and direction respectively.
!
! 8. Structure :
!
! See source code.
!
! 9. Switches :
!
! !/S Enable subroutine tracing.
! !/T Enable test output.
! !/NCEP1 NCEP IBM calls to GRIB1 packer.
! !/NCEP2 NCEP IBM calls to GRIB2 packer (follows updated grib2
! tables under verification as of 02/10/2012).
!
! 10. Source code :
!
!/ ------------------------------------------------------------------- /
USE W3SERVMD, ONLY : W3S2XY
!/RTD USE W3SERVMD, ONLY : W3THRTN, W3XYRTN
!/
!/ ------------------------------------------------------------------- /
!/ Parameter list
!/
INTEGER, INTENT(IN) :: NX, NY, NSEA
!/
!/ ------------------------------------------------------------------- /
!/ Local parameters
!/
INTEGER :: J, IXY, NDATA
INTEGER :: IO
!/S INTEGER, SAVE :: IENT = 0
REAL :: X1(NX*NY), X2(NX*NY), XX(NX*NY), &
XY(NX*NY), CABS, UABS, &
YY(NX*NY,0:NOSWLL), KPDS5A, KPDS5B
LOGICAL*1 :: BITMAP(NX*NY)
LOGICAL :: FLONE, FLTWO, FLDIR, FLTRI, FLPRT
!/
!/ ------------------------------------------------------------------- /
!/
!/S CALL STRACE (IENT, 'W3EXGB')
!
!/T WRITE (NDST,9000) ((FLREQ(IFI,IFJ),IFJ=1,NGRPP), IFI=1,NOGRP)
!/T WRITE (NDST,9001) NDSDAT, KPDS, KGDS
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
! 1. Preparations
!
X1 = UNDEF
X2 = UNDEF
XX = UNDEF
XY = UNDEF
YY = UNDEF
!
!
!--- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
! 2. Loop over output fields.
!
DO IFI=1, NOGRP
DO IFJ=1, NGRPP
IF ( FLREQ(IFI,IFJ) ) THEN
!
! Initialize array dimension flags
!
FLONE = .FALSE.
FLTWO = .FALSE.
FLDIR = .FALSE.
FLTRI = .FALSE.
FLPRT = .FALSE.
!
!/T WRITE (NDST,9020) IDOUT(IFI,IFJ)