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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_wr_metafiles.F,v 1.6 2009/06/28 01:06:39 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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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: MDS_WR_METAFILES |
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C !INTERFACE: |
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SUBROUTINE MDS_WR_METAFILES( |
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I fName, |
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I filePrec, |
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I globalFile, |
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I useCurrentDir, |
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I nNx, nNy, nNz, |
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I titleLine, |
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I nFlds, fldList, |
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I nTimRec, timList, |
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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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C |
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C MDS_WR_METAFILES creates either a file of the form "fName.meta" IF the |
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C logical flag "globalFile" or "useSingleCPUIO" are set true. Otherwise |
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C it creates MDS tiled files of the form "fName.xxx.yyy.meta". |
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C Currently, the meta-files are not read because it is difficult |
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C to parse files in fortran. We should read meta information before |
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C adding records to an existing multi-record file. |
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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 nNz=1 implies a 2-D model field and nNz=Nr implies a 3-D model field. |
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C irecord is the record number to be written and must be >= 1. |
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C NOTE: It is currently assumed that |
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C the highest record number in the file was the last record written. |
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C Nor is there a consistency check between the routine arguments and file. |
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C ie. if you write record 2 after record 4 the meta information |
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C will record the number of records to be 2. This, again, is because |
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C we have read the meta information. To be fixed. |
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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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#ifdef ALLOW_EXCH2 |
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#include "W2_EXCH2_SIZE.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#include "W2_EXCH2_PARAMS.h" |
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#endif /* ALLOW_EXCH2 */ |
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C Arguments: |
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C |
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C fName (string) :: base name for file to write |
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C filePrec (integer) :: number of bits per word in file (32 or 64) |
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C globalFile (logical):: selects between writing a global or tiled file |
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C useCurrentDir(logic):: always write to the current directory (even if |
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C "mdsioLocalDir" is set) |
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C nNx,nNy (integer) :: used for writing YZ or XZ slice |
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C nNz (integer) :: number of vertical levels to be written |
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C titleLine (string) :: title or any descriptive comments |
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C nFlds (integer) :: number of fields from "fldList" to write |
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C fldList (string) :: array of fields name to write |
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C nTimRec (integer) :: number of time-info from "fldList" to write |
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C timList (real) :: array of time-info to write |
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C irecord (integer) :: record number to write |
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C myIter (integer) :: time step number |
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C myThid (integer) :: thread identifier |
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C |
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C Routine arguments |
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CHARACTER*(*) fName |
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INTEGER filePrec |
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LOGICAL globalFile |
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LOGICAL useCurrentDir |
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INTEGER nNx, nNy, nNz |
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CHARACTER*(*) titleLine |
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INTEGER nFlds |
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CHARACTER*(8) fldList(*) |
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INTEGER nTimRec |
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_RL timList(*) |
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INTEGER irecord |
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INTEGER myIter |
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INTEGER myThid |
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CEOP |
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C Functions |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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LOGICAL MASTER_CPU_IO |
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EXTERNAL MASTER_CPU_IO |
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C Local variables |
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CHARACTER*(MAX_LEN_FNAM) dataFName, metaFName, pfName |
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INTEGER iG,jG, bi,bj, IL,pIL |
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INTEGER dimList(3,3), nDims, map2gl(2) |
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1.1 |
INTEGER xSize, ySize |
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INTEGER tBx, tBy |
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#ifdef ALLOW_EXCH2 |
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INTEGER tN |
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#endif /* ALLOW_EXCH2 */ |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C- Set dimensions: |
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xSize = Nx |
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ySize = Ny |
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#ifdef ALLOW_EXCH2 |
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IF ( W2_useE2ioLayOut ) THEN |
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xSize = exch2_global_Nx |
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ySize = exch2_global_Ny |
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ENDIF |
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#endif /* ALLOW_EXCH2 */ |
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IF (nNx.EQ.1) xSize = 1 |
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IF (nNy.EQ.1) ySize = 1 |
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C Only do I/O if I am the master thread (and mpi process 0 IF useSingleCpuIO): |
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IF ( MASTER_CPU_IO(myThid) ) THEN |
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IF ( useSingleCpuIO .OR. globalFile ) THEN |
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IL = ILNBLNK( fName ) |
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WRITE(dataFName,'(2A)') fName(1:IL),'.data' |
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WRITE(metaFName,'(2A)') fName(1:IL),'.meta' |
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dimList(1,1) = xSize |
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dimList(2,1) = 1 |
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dimList(3,1) = xSize |
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dimList(1,2) = ySize |
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dimList(2,2) = 1 |
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dimList(3,2) = ySize |
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dimList(1,3) = nNz |
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dimList(2,3) = 1 |
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dimList(3,3) = nNz |
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nDims=3 |
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IF (nNz.EQ.1) nDims=2 |
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map2gl(1) = 0 |
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map2gl(2) = 1 |
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CALL MDS_WRITE_META( |
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I metaFName, dataFName, the_run_name, titleLine, |
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I filePrec, nDims,dimList,map2gl, nFlds, fldList, |
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I nTimRec, timList, irecord, myIter, myThid ) |
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ELSE |
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C Assign special directory |
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pIL = ILNBLNK( mdsioLocalDir ) |
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IF ( useCurrentDir .OR. pIL.EQ.0 ) THEN |
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pfName = fName |
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ELSE |
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IL = ILNBLNK( fName ) |
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WRITE(pfName,'(2A)') mdsioLocalDir(1:pIL), fName(1:IL) |
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ENDIF |
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pIL=ILNBLNK( pfName ) |
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C Loop over all tiles |
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DO bj=1,nSy |
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DO bi=1,nSx |
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C If we are writing to a tiled MDS file then we open each one here |
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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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C Create meta-file for each tile IF we are tiling |
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WRITE(metaFname,'(2a,i3.3,a,i3.3,a)') |
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& pfName(1:pIL),'.',iG,'.',jG,'.meta' |
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tBx = myXGlobalLo-1 + (bi-1)*sNx |
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tBy = myYGlobalLo-1 + (bj-1)*sNy |
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map2gl(1) = 0 |
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map2gl(2) = 1 |
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#ifdef ALLOW_EXCH2 |
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IF ( W2_useE2ioLayOut ) THEN |
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tN = W2_myTileList(bi,bj) |
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tBx = exch2_txGlobalo(tN) - 1 |
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tBy = exch2_tyGlobalo(tN) - 1 |
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IF (nNx.EQ.0 .AND. nNy.EQ.0) THEN |
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IF ( exch2_mydNx(tN) .GT. xSize ) THEN |
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C- face x-size larger than glob-size : fold it |
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map2gl(1) = 0 |
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map2gl(2) = exch2_mydNx(tN) / xSize |
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ELSEIF ( exch2_tNy(tN) .GT. ySize ) THEN |
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C- tile y-size larger than glob-size : make a long line |
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map2gl(1) = exch2_mydNx(tN) |
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map2gl(2) = 0 |
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ELSE |
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C- default (face fit into global-IO-array) |
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map2gl(1) = 0 |
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map2gl(2) = 1 |
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ENDIF |
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ENDIF |
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ENDIF |
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#endif /* ALLOW_EXCH2 */ |
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dimList(1,1) = xSize |
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dimList(2,1) = tBx + 1 |
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dimList(3,1) = tBx + sNx |
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dimList(1,2) = ySize |
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dimList(2,2) = tBy + 1 |
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dimList(3,2) = tBy + sNy |
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dimList(1,3) = nNz |
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dimList(2,3) = 1 |
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dimList(3,3) = nNz |
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nDims=3 |
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IF (nNz.EQ.1) nDims=2 |
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IF (nNx.EQ.1) dimList(2,1) = 1 |
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IF (nNx.EQ.1) dimList(3,1) = 1 |
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IF (nNy.EQ.1) dimList(2,2) = 1 |
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IF (nNy.EQ.1) dimList(3,2) = 1 |
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CALL MDS_WRITE_META( |
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I metaFName, dataFName, the_run_name, titleLine, |
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I filePrec, nDims,dimList,map2gl, nFlds, fldList, |
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I nTimRec, timList, irecord, myIter, myThid ) |
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C End of bi,bj loops |
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ENDDO |
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ENDDO |
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C endif useSingleCpuIO or globalFile |
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ENDIF |
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C endif MASTER_CPU_IO |
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ENDIF |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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RETURN |
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END |
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