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1.4 |
C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_writevec_loc.F,v 1.3 2009/02/03 22:57:01 jmc Exp $ |
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jmc |
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C $Name: $ |
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#include "MDSIO_OPTIONS.h" |
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1.3 |
CBOP |
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C !ROUTINE: MDS_WRITEVEC_LOC |
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C !INTERFACE: |
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1.2 |
SUBROUTINE MDS_WRITEVEC_LOC( |
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1.1 |
I fName, |
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I filePrec, |
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1.3 |
U ioUnit, |
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1.2 |
I arrType, |
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1.1 |
I nArr, |
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I arr, |
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I bi, bj, |
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I irecord, |
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I myIter, |
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I myThid ) |
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C !DESCRIPTION: |
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1.1 |
C Arguments: |
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C |
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1.3 |
C fName string :: base name for file to written |
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1.2 |
C filePrec integer :: number of bits per word in file (32 or 64) |
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1.3 |
C ioUnit integer :: fortran file IO unit |
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C nArr integer :: number of elements from input array "arr" to be written |
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C arrType char(2) :: declaration type of "arr": either "RS" or "RL" |
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C arr RS/RL :: array to WRITE, arr(nArr) |
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C bi,bj integer :: tile indices (if tiled array) or 0,0 if not a tiled array |
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C irecord integer :: record number to WRITE =|irecord| |
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1.2 |
C myIter integer :: time step number |
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C myThid integer :: my Thread Id number |
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1.1 |
C |
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C MDS_WRITEVEC_LOC according to ioUnit: |
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C ioUnit = 0 : open file, write and close the file (return ioUnit=0). |
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C ioUnit =-1 : open file, write and leave it open (return IO unit in ioUnit) |
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C ioUnit > 0 : assume file "ioUnit" is open, and write to it. |
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C MDS_WRITEVEC_LOC writes either to a file of the form "fName.data" and |
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C "fName.meta" IF bi=bj=0. Otherwise it writes to MDS tiled files of the |
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C form "fName.xxx.yyy.data" and "fName.xxx.yyy.meta". |
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C If irecord>0, a meta-file is created (skipped if irecord<0). |
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C The precision of the file is decsribed by filePrec, set either |
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C to floatPrec32 or floatPrec64. |
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C |irecord|=iRec is the record number to be written and must be >=1. |
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C !USES: |
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IMPLICIT NONE |
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C Global variables / common blocks |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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1.1 |
CHARACTER*(*) fName |
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INTEGER ioUnit |
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1.1 |
INTEGER filePrec |
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CHARACTER*(2) arrType |
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INTEGER nArr |
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_RL arr(*) |
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1.1 |
INTEGER bi,bj |
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INTEGER irecord |
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INTEGER myIter |
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INTEGER myThid |
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C !FUNCTIONS: |
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INTEGER ILNBLNK |
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INTEGER MDS_RECLEN |
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EXTERNAL ILNBLNK |
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EXTERNAL MDS_RECLEN |
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C !LOCAL VARIABLES: |
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CHARACTER*(MAX_LEN_FNAM) dataFName, metaFName, pfName |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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LOGICAL fileIsOpen |
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INTEGER iG,jG,iRec,k,dUnit,IL,pIL |
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INTEGER dimList(3,3), nDims, map2gl(2) |
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INTEGER length_of_rec |
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INTEGER loc_size |
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PARAMETER( loc_size = Nx+Ny+Nr ) |
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real*4 r4seg(loc_size) |
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real*8 r8seg(loc_size) |
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_RL dummyRL(1) |
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CHARACTER*8 blank8c |
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CEOP |
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DATA dummyRL(1) / 0. _d 0 / |
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DATA blank8c / ' ' / |
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DATA map2gl / 0, 1 / |
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C We write a non-tiled array (bi=bj=0) only 1 time (if ProcId=0): |
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IF ( myProcId.EQ.0 .OR. bi.NE.0 .OR. bj.NE.0 ) THEN |
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C Only DO I/O IF I am the master thread |
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_BEGIN_MASTER( myThid ) |
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C Assume nothing |
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fileIsOpen = .FALSE. |
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IL = ILNBLNK( fName ) |
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iRec = ABS(irecord) |
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C Record number must be >= 1 |
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IF ( iRec.LT.1 ) THEN |
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WRITE(msgBuf,'(A,I9)') |
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& ' MDS_WRITEVEC_LOC: argument irecord = ',irecord |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& ' MDS_WRITEVEC_LOC: invalid value for irecord' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC' |
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ENDIF |
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C Check buffer size |
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IF ( nArr.GT.loc_size ) THEN |
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WRITE(msgBuf,'(3A)') |
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& ' MDS_WRITEVEC_LOC: writing to file "', fName(1:IL), '":' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A,I9)') |
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& ' MDS_WRITEVEC_LOC: dim of arr to write=', nArr |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A,I9)') |
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& ' MDS_WRITEVEC_LOC: exceeds buffer size=', loc_size |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC' |
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ENDIF |
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C Assign special directory |
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IF ( mdsioLocalDir .NE. ' ' ) THEN |
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pIL = ILNBLNK( mdsioLocalDir ) |
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WRITE(pFname,'(2A)') mdsioLocalDir(1:pIL), fName(1:IL) |
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pIL = IL + pIL |
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ELSE |
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WRITE(pFname,'(A)') fName(1:IL) |
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pIL = IL |
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ENDIF |
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IF ( ioUnit.GT.0 ) THEN |
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C- Assume file Unit is already open with correct Rec-Length & Precision |
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fileIsOpen = .TRUE. |
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dUnit = ioUnit |
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ELSE |
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C- Need to open file IO unit with File-name, Rec-Length & Precision |
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C Assign a free unit number as the I/O channel for this routine |
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CALL MDSFINDUNIT( dUnit, myThid ) |
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C-- Set the file Name: |
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IF ( bi.EQ.0 .AND. bj.EQ.0 ) THEN |
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C- we are writing a non-tiled array (bi=bj=0): |
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WRITE(dataFname,'(2A)') fName(1:IL),'.data' |
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ELSE |
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C- we are writing a tiled array (bi>0,bj>0): |
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iG=bi+(myXGlobalLo-1)/sNx |
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jG=bj+(myYGlobalLo-1)/sNy |
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WRITE(dataFname,'(2A,I3.3,A,I3.3,A)') |
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& pfName(1:pIL),'.',iG,'.',jG,'.data' |
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ENDIF |
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C-- Open the file: |
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length_of_rec=MDS_RECLEN( filePrec, nArr, myThid ) |
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IF (iRec .EQ. 1) THEN |
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OPEN( dUnit, file=dataFName, status=_NEW_STATUS, |
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& access='direct', recl=length_of_rec ) |
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fileIsOpen=.TRUE. |
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ELSE |
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OPEN( dUnit, file=dataFName, status=_OLD_STATUS, |
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& access='direct', recl=length_of_rec ) |
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fileIsOpen=.TRUE. |
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ENDIF |
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IF ( debugLevel.GE.debLevB ) THEN |
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WRITE(msgBuf,'(2A)') |
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& ' MDS_WRITEVEC_LOC: open file: ',dataFname(1:pIL+13) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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ENDIF |
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C- End if block: File Unit is already open / Need to open it |
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ENDIF |
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IF (fileIsOpen) THEN |
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IF ( arrType.EQ.'RS' ) THEN |
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CALL MDS_WR_REC_RS( arr, r4seg, r8seg, |
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I filePrec, dUnit, iRec, nArr, myThid ) |
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ELSEIF ( arrType.EQ.'RL' ) THEN |
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CALL MDS_WR_REC_RL( arr, r4seg, r8seg, |
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I filePrec, dUnit, iRec, nArr, myThid ) |
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ELSE |
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WRITE(msgBuf,'(A)') |
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& ' MDS_WRITEVEC_LOC: illegal value for arrType' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC' |
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ENDIF |
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ELSE |
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WRITE(msgBuf,'(A)') |
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& ' MDS_WRITEVEC_LOC: should never reach this point' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC' |
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ENDIF |
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C If we were writing to a tiled MDS file then we close it here |
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IF ( fileIsOpen .AND. ioUnit.EQ.0 ) THEN |
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CLOSE( dUnit ) |
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fileIsOpen = .FALSE. |
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ENDIF |
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IF ( ioUnit.EQ.-1 ) ioUnit = dUnit |
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IF ( irecord.GT.0 ) THEN |
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C Create meta-file for each tile IF we are tiling |
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IF ( bi.EQ.0 .AND. bj.EQ.0 ) THEN |
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C-- we are writing a non-tiled array (bi=bj=0): |
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WRITE(metaFname,'(2A)') fName(1:IL),'.meta' |
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dimList(1,1)=1 |
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dimList(2,1)=1 |
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dimList(3,1)=1 |
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dimList(1,2)=1 |
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dimList(2,2)=1 |
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dimList(3,2)=1 |
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ELSE |
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C-- we are writing a tiled array (bi>0,bj>0): |
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iG=bi+(myXGlobalLo-1)/sNx |
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jG=bj+(myYGlobalLo-1)/sNy |
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WRITE(metaFname,'(2A,I3.3,A,I3.3,A)') |
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1.1 |
& pfName(1:pIL),'.',iG,'.',jG,'.meta' |
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1.3 |
dimList(1,1)=nSx*nPx |
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dimList(2,1)=iG |
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dimList(3,1)=iG |
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dimList(1,2)=nSy*nPy |
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dimList(2,2)=jG |
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dimList(3,2)=jG |
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ENDIF |
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dimList(1,3)=nArr |
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dimList(2,3)=1 |
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dimList(3,3)=nArr |
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nDims=3 |
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IF ( nArr.EQ.1 ) nDims=2 |
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CALL MDS_WRITE_META( |
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I metaFName, dataFName, the_run_name, ' ', |
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1.4 |
I filePrec, nDims, dimList, map2gl, 0, blank8c, |
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I 0, dummyRL, iRec, myIter, myThid ) |
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jmc |
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ENDIF |
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1.3 |
_END_MASTER( myThid ) |
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1.1 |
ENDIF |
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RETURN |
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END |
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