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C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_write_meta.F,v 1.2 2007/03/19 02:30:49 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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CBOP |
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C !ROUTINE: MDS_WRITE_META |
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C !INTERFACE: |
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SUBROUTINE MDS_WRITE_META( |
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I mFileName, |
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I dFileName, |
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I simulName, |
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I titleLine, |
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I filePrec, |
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I nDims, dimList, map2gl, |
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I nFlds, fldList, |
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I nTimRec, timList, |
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I nrecords, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R MDS_WRITE_META |
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C | o Write 1 meta file to disk |
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C *==========================================================* |
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C \ev |
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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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C !INPUT PARAMETERS: |
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C mFileName (string ) :: complete name of meta-file |
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C dFileName (string ) :: complete name of data-file |
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C simulName (string) :: name of this simulation |
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C titleLine (string) :: title or any descriptive comments |
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C filePrec (integer) :: number of bits per word in data-file (32 or 64) |
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C nDims (integer) :: number of dimensions |
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C dimList (integer) :: array of dimensions, etc. |
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C map2gl (integer) :: used for mapping tiled file to global file |
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C nFlds (integer) :: number of fields in "fldList" |
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C fldList (string) :: array of field names to write |
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C nTimRec (integer) :: number of time-specification in "timList" |
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C timList (real) :: array of time-specifications to write |
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C nrecords (integer) :: record number |
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C myIter (integer) :: time-step number |
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C myThid (integer) :: my Thread Id number |
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C |
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C !OUTPUT PARAMETERS: |
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C |
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CHARACTER*(*) mFileName |
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CHARACTER*(*) dFileName |
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CHARACTER*(*) simulName |
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CHARACTER*(*) titleLine |
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INTEGER filePrec |
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INTEGER nDims |
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INTEGER dimList(3,nDims) |
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INTEGER map2gl(2) |
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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 nrecords |
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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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C !LOCAL VARIABLES: |
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INTEGER i,ii,iL |
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INTEGER mUnit |
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c LOGICAL exst |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C We should *read* the met-file IF it exists to check |
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C that the information we are writing is consistent |
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C with the current contents |
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c INQUIRE( file=mFileName, exist=exst ) |
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C However, it is bloody difficult to parse files in fortran so someone |
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C else can do this. |
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C For now, we will assume everything is ok and that the last record |
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C is written to the last consecutive record in the file. |
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C- Assign a free unit number as the I/O channel for this subroutine |
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CALL MDSFINDUNIT( mUnit, myThid ) |
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C- Open meta-file |
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OPEN( mUnit, file=mFileName, status='unknown', |
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& form='formatted' ) |
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C- Write the simulation name |
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iL = ILNBLNK(simulName) |
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IF ( iL.GT.0 ) THEN |
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WRITE(mUnit,'(3A)') " simulation = { '",simulName(1:iL),"' };" |
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ENDIF |
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C- Write the number of dimensions |
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WRITE(mUnit,'(1X,A,I3,A)') 'nDims = [ ',nDims,' ];' |
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C- For each dimension, write the following: |
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C 1 global size (ie. the size of the global dimension of all files) |
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C 2 global start (ie. the global position of the start of this file) |
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C 3 global end (ie. the global position of the end of this file) |
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WRITE(mUnit,'(1X,A)') 'dimList = [' |
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DO ii=1,nDims |
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IF (ii.LT.nDims) THEN |
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WRITE(mUnit,'(1X,3(I5,","))') (dimList(i,ii),i=1,3) |
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ELSE |
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WRITE(mUnit,'(1X,I5,",",I5,",",I5)') (dimList(i,ii),i=1,3) |
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ENDIF |
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ENDDO |
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WRITE(mUnit,'(1X,A)') '];' |
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C- only write if different from default: |
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IF ( map2gl(1).NE.0 .OR. map2gl(2).NE.1 ) THEN |
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WRITE(mUnit,'(1X,2(A,I5),A)') 'map2glob = [ ', |
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& map2gl(1),',',map2gl(2),' ];' |
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ENDIF |
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C- Record the precision of the file |
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IF (filePrec .EQ. precFloat32) THEN |
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WRITE(mUnit,'(1X,A)') "dataprec = [ 'float32' ];" |
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ELSEIF (filePrec .EQ. precFloat64) THEN |
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WRITE(mUnit,'(1X,A)') "dataprec = [ 'float64' ];" |
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ELSE |
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WRITE(msgBuf,'(A)') |
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& ' MDSWRITEMETA: invalid filePrec' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R MDSWRITEMETA' |
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ENDIF |
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C- Record the current record number |
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C This is a proxy for the actual number of records in the file. |
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C If we could read the file then we could do this properly. |
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WRITE(mUnit,'(1X,A,I5,A)') 'nrecords = [ ',nrecords,' ];' |
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C- Record the file-name for the binary data |
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Cveto ii=ILNBLNK( dFileName ) |
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Cveto WRITE(mUnit,'(1X,3A)') 'binarydatafile = [ ',dFileName(1:ii),' ];' |
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C- Write the integer time (integer iteration number) for later record |
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C keeping. If the timestep number is less than 0 then we assume |
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C that the information is superfluous and do not write it. |
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IF ( myIter.GE.0 ) |
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& WRITE(mUnit,'(1X,A,I10,A)') 'timeStepNumber = [ ',myIter,' ];' |
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C- Write list of Time records |
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C note: format might change once we have a better idea of what will |
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C be the time-information to write. |
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C for now, comment out this line for rdmds (i.e.: between /* */) |
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IF ( nTimRec.GT.0 ) THEN |
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ii = MIN(nTimRec,20) |
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WRITE(msgBuf,'(1P20E20.12)') (timList(i),i=1,ii) |
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WRITE(mUnit,'(3A)')' /* modelTime = [', msgBuf(1:20*ii),' ];*/' |
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c iL = ILNBLNK(msgBuf) |
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c WRITE(mUnit,'(1X,3A)') 'modelTime = [', msgBuf(1:iL),' ];' |
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ENDIF |
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C- Write list of Fields |
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IF ( nFlds.GT.0 ) THEN |
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WRITE(mUnit,'(1X,A,I4,A)') 'nFlds = [ ', nFlds, ' ];' |
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WRITE(mUnit,'(1X,A)') 'fldList = {' |
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WRITE(mUnit,'(20(A2,A8,A1))') |
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& (" '",fldList(i),"'",i=1,nFlds) |
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WRITE(mUnit,'(1X,A)') '};' |
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ENDIF |
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C- Write title or comments (but ignored by rdmds) |
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iL = ILNBLNK(titleLine) |
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IF ( iL.GT.0 ) THEN |
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WRITE(mUnit,'(3A)')' /* ', titleLine(1:iL), ' */' |
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ENDIF |
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C- Close meta-file |
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CLOSE(mUnit) |
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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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