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C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_gl.F,v 1.5 2004/10/14 18:43:39 heimbach Exp $ |
| 2 |
|
| 3 |
#include "MDSIO_OPTIONS.h" |
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|
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C The five "public" routines supplied here are: |
| 6 |
C |
| 7 |
C MDSREADFIELD - read model field from direct access global or tiled MDS file |
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C MDSWRITEFIELD - write model field to direct access global or tiled MDS file |
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C MDSFINDUNIT - returns an available (unused) I/O channel |
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C MDSREADVECTOR - read vector from direct access global or tiled MDS file |
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C MDSWRITEVECTOR - write vector to direct access global or tiled MDS file |
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C |
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C all other routines are "private" to these utilities and ought |
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C not be accessed directly from the main code. |
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C |
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C Created: 03/16/99 adcroft@mit.edu |
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C Modified: 03/23/99 adcroft@mit.edu |
| 18 |
C To work with multiple records |
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C Modified: 03/29/99 eckert@mit.edu |
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C Added arbitrary vector capability |
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C Modified: 07/27/99 eckert@mit.edu |
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C Customized for state estimation (--> active_file_control.F) |
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C this relates only to *mdsreadvector* and *mdswritevector* |
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C Modified: 07/28/99 eckert@mit.edu |
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C inserted calls to *print_message* and *print_error* |
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C |
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C To be modified to work with MITgcmuv message routines. |
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|
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C======================================================================= |
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SUBROUTINE MDSREADFIELD_3D_GL( |
| 31 |
I fName, |
| 32 |
I filePrec, |
| 33 |
I arrType, |
| 34 |
I nNz, |
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O arr_gl, |
| 36 |
I irecord, |
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I myThid ) |
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C |
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C Arguments: |
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C |
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C fName string base name for file to read |
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C filePrec integer number of bits per word in file (32 or 64) |
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C arrType char(2) declaration of "arr": either "RS" or "RL" |
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C nNz integer size of third dimension: normally either 1 or Nr |
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C arr RS/RL array to read into, arr(:,:,nNz,:,:) |
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C irecord integer record number to read |
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C myThid integer thread identifier |
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C |
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C MDSREADFIELD first checks to see if the file "fName" exists, then |
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C if the file "fName.data" exists and finally the tiled files of the |
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C form "fName.xxx.yyy.data" exist. Currently, the meta-files are not |
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C read because it is difficult to parse files in fortran. |
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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. The precision or declaration of |
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C the array argument must be consistently described by the char*(2) |
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C string arrType, either "RS" or "RL". nNz allows for both 2-D and |
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C 3-D arrays to be handled. nNz=1 implies a 2-D model field and |
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C nNz=Nr implies a 3-D model field. irecord is the record number |
| 59 |
C to be read and must be >= 1. The file data is stored in |
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C arr *but* the overlaps are *not* updated. ie. An exchange must |
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C be called. This is because the routine is sometimes called from |
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C within a MASTER_THID region. |
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C |
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C Created: 03/16/99 adcroft@mit.edu |
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|
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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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|
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C Routine arguments |
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character*(*) fName |
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integer filePrec |
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character*(2) arrType |
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integer nNz |
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_RL arr_gl(sNx,nSx,nPx,sNy,nSy,nPy,Nr) |
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integer irecord |
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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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C Local variables |
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character*(80) dataFName |
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integer ip,jp,iG,jG,irec,bi,bj,ii,j,k,dUnit,IL |
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logical exst |
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_RL arr(1-oLx:sNx+oLx,1-oLy:sNy+oLy,Nr,nSx,nSy) |
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Real*4 r4seg(sNx) |
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Real*8 r8seg(sNx) |
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logical globalFile,fileIsOpen |
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integer length_of_rec |
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character*(max_len_mbuf) msgbuf |
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C ------------------------------------------------------------------ |
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|
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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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|
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C Record number must be >= 1 |
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if (irecord .LT. 1) then |
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write(msgbuf,'(a,i9.8)') |
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& ' MDSREADFIELD_GL: argument irecord = ',irecord |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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write(msgbuf,'(a)') |
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& ' MDSREADFIELD_GL: Invalid value for irecord' |
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call print_error( msgbuf, mythid ) |
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stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
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endif |
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|
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C Assume nothing |
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globalFile = .FALSE. |
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fileIsOpen = .FALSE. |
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IL=ILNBLNK( fName ) |
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|
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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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|
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C Check first for global file with simple name (ie. fName) |
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dataFName = fName |
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inquire( file=dataFname, exist=exst ) |
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if (exst) then |
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write(msgbuf,'(a,a)') |
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& ' MDSREADFIELD: opening global file: ',dataFName |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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endif |
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|
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C If negative check for global file with MDS name (ie. fName.data) |
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if (.NOT. globalFile) then |
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write(dataFname(1:80),'(2a)') fName(1:IL),'.data' |
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inquire( file=dataFname, exist=exst ) |
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if (exst) then |
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write(msgbuf,'(a,a)') |
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& ' MDSREADFIELD_GL: opening global file: ',dataFName |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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globalFile = .TRUE. |
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endif |
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endif |
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C Loop over all processors |
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do jp=1,nPy |
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do ip=1,nPx |
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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 reading from a tiled MDS file then we open each one here |
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if (.NOT. globalFile) then |
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iG=bi+(ip-1)*nsx ! Kludge until unstructered tiles |
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jG=bj+(jp-1)*nsy ! Kludge until unstructered tiles |
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write(dataFname(1:80),'(2a,i3.3,a,i3.3,a)') |
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& fName(1:IL),'.',iG,'.',jG,'.data' |
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inquire( file=dataFname, exist=exst ) |
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C Of course, we only open the file if the tile is "active" |
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C (This is a place-holder for the active/passive mechanism |
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if (exst) then |
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if ( debugLevel .GE. debLevA ) then |
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write(msgbuf,'(a,a)') |
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& ' MDSREADFIELD_GL: opening file: ',dataFName |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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endif |
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length_of_rec=MDS_RECLEN( filePrec, sNx, mythid ) |
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open( dUnit, file=dataFName, status='old', |
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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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fileIsOpen=.FALSE. |
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write(msgbuf,'(a,a)') |
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& ' MDSREADFIELD_GL: filename: ',dataFName |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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call print_error( msgbuf, mythid ) |
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write(msgbuf,'(a)') |
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& ' MDSREADFIELD_GL: File does not exist' |
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call print_message( msgbuf, standardmessageunit, |
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& SQUEEZE_RIGHT , mythid) |
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call print_error( msgbuf, mythid ) |
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stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
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endif |
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endif |
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|
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if (fileIsOpen) then |
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do k=1,Nr |
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do j=1,sNy |
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iG = 0 |
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jG = 0 |
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irec=j + sNy*(k-1) + sNy*Nr*(irecord-1) |
| 188 |
if (filePrec .eq. precFloat32) then |
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read(dUnit,rec=irec) r4seg |
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#ifdef _BYTESWAPIO |
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call MDS_BYTESWAPR4( sNx, r4seg ) |
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#endif |
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if (arrType .eq. 'RS') then |
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call MDS_SEG4toRS( j,bi,bj,k,Nr, r4seg, .TRUE., arr ) |
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elseif (arrType .eq. 'RL') then |
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call MDS_SEG4toRL( j,bi,bj,k,Nr, r4seg, .TRUE., arr ) |
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else |
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write(msgbuf,'(a)') |
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& ' MDSREADFIELD_GL: illegal value for arrType' |
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call print_error( msgbuf, mythid ) |
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stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
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endif |
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elseif (filePrec .eq. precFloat64) then |
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read(dUnit,rec=irec) r8seg |
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#ifdef _BYTESWAPIO |
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call MDS_BYTESWAPR8( sNx, r8seg ) |
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#endif |
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if (arrType .eq. 'RS') then |
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call MDS_SEG8toRS( j,bi,bj,k,Nr, r8seg, .TRUE., arr ) |
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elseif (arrType .eq. 'RL') then |
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call MDS_SEG8toRL( j,bi,bj,k,Nr, r8seg, .TRUE., arr ) |
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else |
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write(msgbuf,'(a)') |
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& ' MDSREADFIELD_GL: illegal value for arrType' |
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call print_error( msgbuf, mythid ) |
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stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
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endif |
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else |
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write(msgbuf,'(a)') |
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& ' MDSREADFIELD_GL: illegal value for filePrec' |
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call print_error( msgbuf, mythid ) |
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stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
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endif |
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do ii=1,sNx |
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arr_gl(ii,bi,ip,j,bj,jp,k)=arr(ii,j,k,bi,bj) |
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enddo |
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|
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C End of j loop |
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enddo |
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C End of k loop |
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enddo |
| 232 |
if (.NOT. globalFile) then |
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close( dUnit ) |
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fileIsOpen = .FALSE. |
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endif |
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endif |
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C End of bi,bj loops |
| 238 |
enddo |
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enddo |
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C End of ip,jp loops |
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enddo |
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enddo |
| 243 |
|
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C If global file was opened then close it |
| 245 |
if (fileIsOpen .AND. globalFile) then |
| 246 |
close( dUnit ) |
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fileIsOpen = .FALSE. |
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endif |
| 249 |
|
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_END_MASTER( myThid ) |
| 251 |
|
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C ------------------------------------------------------------------ |
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return |
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end |
| 255 |
C======================================================================= |
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|
| 257 |
C======================================================================= |
| 258 |
SUBROUTINE MDSWRITEFIELD_3D_GL( |
| 259 |
I fName, |
| 260 |
I filePrec, |
| 261 |
I arrType, |
| 262 |
I nNz, |
| 263 |
I arr_gl, |
| 264 |
I irecord, |
| 265 |
I myIter, |
| 266 |
I myThid ) |
| 267 |
C |
| 268 |
C Arguments: |
| 269 |
C |
| 270 |
C fName string base name for file to written |
| 271 |
C filePrec integer number of bits per word in file (32 or 64) |
| 272 |
C arrType char(2) declaration of "arr": either "RS" or "RL" |
| 273 |
C nNz integer size of third dimension: normally either 1 or Nr |
| 274 |
C arr RS/RL array to write, arr(:,:,nNz,:,:) |
| 275 |
C irecord integer record number to read |
| 276 |
C myIter integer time step number |
| 277 |
C myThid integer thread identifier |
| 278 |
C |
| 279 |
C MDSWRITEFIELD creates either a file of the form "fName.data" and |
| 280 |
C "fName.meta" if the logical flag "globalFile" is set true. Otherwise |
| 281 |
C it creates MDS tiled files of the form "fName.xxx.yyy.data" and |
| 282 |
C "fName.xxx.yyy.meta". A meta-file is always created. |
| 283 |
C Currently, the meta-files are not read because it is difficult |
| 284 |
C to parse files in fortran. We should read meta information before |
| 285 |
C adding records to an existing multi-record file. |
| 286 |
C The precision of the file is decsribed by filePrec, set either |
| 287 |
C to floatPrec32 or floatPrec64. The precision or declaration of |
| 288 |
C the array argument must be consistently described by the char*(2) |
| 289 |
C string arrType, either "RS" or "RL". nNz allows for both 2-D and |
| 290 |
C 3-D arrays to be handled. nNz=1 implies a 2-D model field and |
| 291 |
C nNz=Nr implies a 3-D model field. irecord is the record number |
| 292 |
C to be read and must be >= 1. NOTE: It is currently assumed that |
| 293 |
C the highest record number in the file was the last record written. |
| 294 |
C Nor is there a consistency check between the routine arguments and file. |
| 295 |
C ie. if your write record 2 after record 4 the meta information |
| 296 |
C will record the number of records to be 2. This, again, is because |
| 297 |
C we have read the meta information. To be fixed. |
| 298 |
C |
| 299 |
C Created: 03/16/99 adcroft@mit.edu |
| 300 |
C |
| 301 |
C Changed: 05/31/00 heimbach@mit.edu |
| 302 |
C open(dUnit, ..., status='old', ... -> status='unknown' |
| 303 |
|
| 304 |
implicit none |
| 305 |
C Global variables / common blocks |
| 306 |
#include "SIZE.h" |
| 307 |
#include "EEPARAMS.h" |
| 308 |
#include "PARAMS.h" |
| 309 |
|
| 310 |
C Routine arguments |
| 311 |
character*(*) fName |
| 312 |
integer filePrec |
| 313 |
character*(2) arrType |
| 314 |
integer nNz |
| 315 |
cph( |
| 316 |
cph Real arr(*) |
| 317 |
_RL arr_gl(sNx,nSx,nPx,sNy,nSy,nPy,Nr) |
| 318 |
cph) |
| 319 |
integer irecord |
| 320 |
integer myIter |
| 321 |
integer myThid |
| 322 |
C Functions |
| 323 |
integer ILNBLNK |
| 324 |
integer MDS_RECLEN |
| 325 |
C Local variables |
| 326 |
character*(80) dataFName,metaFName |
| 327 |
integer ip,jp,iG,jG,irec,bi,bj,ii,j,k,dUnit,IL |
| 328 |
Real*4 r4seg(sNx) |
| 329 |
Real*8 r8seg(sNx) |
| 330 |
_RL arr(1-oLx:sNx+oLx,1-oLy:sNy+oLy,Nr,nSx,nSy) |
| 331 |
integer dimList(3,3),ndims |
| 332 |
integer length_of_rec |
| 333 |
logical fileIsOpen |
| 334 |
character*(max_len_mbuf) msgbuf |
| 335 |
C ------------------------------------------------------------------ |
| 336 |
|
| 337 |
C Only do I/O if I am the master thread |
| 338 |
_BEGIN_MASTER( myThid ) |
| 339 |
|
| 340 |
C Record number must be >= 1 |
| 341 |
if (irecord .LT. 1) then |
| 342 |
write(msgbuf,'(a,i9.8)') |
| 343 |
& ' MDSWRITEFIELD_GL: argument irecord = ',irecord |
| 344 |
call print_message( msgbuf, standardmessageunit, |
| 345 |
& SQUEEZE_RIGHT , mythid) |
| 346 |
write(msgbuf,'(a)') |
| 347 |
& ' MDSWRITEFIELD_GL: invalid value for irecord' |
| 348 |
call print_error( msgbuf, mythid ) |
| 349 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 350 |
endif |
| 351 |
|
| 352 |
C Assume nothing |
| 353 |
fileIsOpen=.FALSE. |
| 354 |
IL=ILNBLNK( fName ) |
| 355 |
|
| 356 |
C Assign a free unit number as the I/O channel for this routine |
| 357 |
call MDSFINDUNIT( dUnit, mythid ) |
| 358 |
|
| 359 |
|
| 360 |
C Loop over all processors |
| 361 |
do jp=1,nPy |
| 362 |
do ip=1,nPx |
| 363 |
C Loop over all tiles |
| 364 |
do bj=1,nSy |
| 365 |
do bi=1,nSx |
| 366 |
C If we are writing to a tiled MDS file then we open each one here |
| 367 |
iG=bi+(ip-1)*nsx ! Kludge until unstructered tiles |
| 368 |
jG=bj+(jp-1)*nsy ! Kludge until unstructered tiles |
| 369 |
write(dataFname(1:80),'(2a,i3.3,a,i3.3,a)') |
| 370 |
& fName(1:IL),'.',iG,'.',jG,'.data' |
| 371 |
if (irecord .EQ. 1) then |
| 372 |
length_of_rec=MDS_RECLEN( filePrec, sNx, mythid ) |
| 373 |
open( dUnit, file=dataFName, status=_NEW_STATUS, |
| 374 |
& access='direct', recl=length_of_rec ) |
| 375 |
fileIsOpen=.TRUE. |
| 376 |
else |
| 377 |
length_of_rec=MDS_RECLEN( filePrec, sNx, mythid ) |
| 378 |
open( dUnit, file=dataFName, status=_OLD_STATUS, |
| 379 |
& access='direct', recl=length_of_rec ) |
| 380 |
fileIsOpen=.TRUE. |
| 381 |
endif |
| 382 |
if (fileIsOpen) then |
| 383 |
do k=1,Nr |
| 384 |
do j=1,sNy |
| 385 |
do ii=1,sNx |
| 386 |
arr(ii,j,k,bi,bj)=arr_gl(ii,bi,ip,j,bj,jp,k) |
| 387 |
enddo |
| 388 |
iG = 0 |
| 389 |
jG = 0 |
| 390 |
irec=j + sNy*(k-1) + sNy*Nr*(irecord-1) |
| 391 |
if (filePrec .eq. precFloat32) then |
| 392 |
if (arrType .eq. 'RS') then |
| 393 |
call MDS_SEG4toRS( j,bi,bj,k,Nr, r4seg, .FALSE., arr ) |
| 394 |
elseif (arrType .eq. 'RL') then |
| 395 |
call MDS_SEG4toRL( j,bi,bj,k,Nr, r4seg, .FALSE., arr ) |
| 396 |
else |
| 397 |
write(msgbuf,'(a)') |
| 398 |
& ' MDSWRITEFIELD_GL: illegal value for arrType' |
| 399 |
call print_error( msgbuf, mythid ) |
| 400 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 401 |
endif |
| 402 |
#ifdef _BYTESWAPIO |
| 403 |
call MDS_BYTESWAPR4( sNx, r4seg ) |
| 404 |
#endif |
| 405 |
write(dUnit,rec=irec) r4seg |
| 406 |
elseif (filePrec .eq. precFloat64) then |
| 407 |
if (arrType .eq. 'RS') then |
| 408 |
call MDS_SEG8toRS( j,bi,bj,k,Nr, r8seg, .FALSE., arr ) |
| 409 |
elseif (arrType .eq. 'RL') then |
| 410 |
call MDS_SEG8toRL( j,bi,bj,k,Nr, r8seg, .FALSE., arr ) |
| 411 |
else |
| 412 |
write(msgbuf,'(a)') |
| 413 |
& ' MDSWRITEFIELD_GL: illegal value for arrType' |
| 414 |
call print_error( msgbuf, mythid ) |
| 415 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 416 |
endif |
| 417 |
#ifdef _BYTESWAPIO |
| 418 |
call MDS_BYTESWAPR8( sNx, r8seg ) |
| 419 |
#endif |
| 420 |
write(dUnit,rec=irec) r8seg |
| 421 |
else |
| 422 |
write(msgbuf,'(a)') |
| 423 |
& ' MDSWRITEFIELD_GL: illegal value for filePrec' |
| 424 |
call print_error( msgbuf, mythid ) |
| 425 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 426 |
endif |
| 427 |
C End of j loop |
| 428 |
enddo |
| 429 |
C End of k loop |
| 430 |
enddo |
| 431 |
else |
| 432 |
write(msgbuf,'(a)') |
| 433 |
& ' MDSWRITEFIELD_GL: I should never get to this point' |
| 434 |
call print_error( msgbuf, mythid ) |
| 435 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 436 |
endif |
| 437 |
C If we were writing to a tiled MDS file then we close it here |
| 438 |
if (fileIsOpen) then |
| 439 |
close( dUnit ) |
| 440 |
fileIsOpen = .FALSE. |
| 441 |
endif |
| 442 |
C Create meta-file for each tile if we are tiling |
| 443 |
iG=bi+(ip-1)*nsx ! Kludge until unstructered tiles |
| 444 |
jG=bj+(jp-1)*nsy ! Kludge until unstructered tiles |
| 445 |
write(metaFname(1:80),'(2a,i3.3,a,i3.3,a)') |
| 446 |
& fName(1:IL),'.',iG,'.',jG,'.meta' |
| 447 |
dimList(1,1)=Nx |
| 448 |
dimList(2,1)=((ip-1)*nSx+(bi-1))*sNx+1 |
| 449 |
dimList(3,1)=((ip-1)*nSx+bi)*sNx |
| 450 |
dimList(1,2)=Ny |
| 451 |
dimList(2,2)=((jp-1)*nSy+(bj-1))*sNy+1 |
| 452 |
dimList(3,2)=((jp-1)*nSy+bj)*sNy |
| 453 |
dimList(1,3)=Nr |
| 454 |
dimList(2,3)=1 |
| 455 |
dimList(3,3)=Nr |
| 456 |
ndims=3 |
| 457 |
if (Nr .EQ. 1) ndims=2 |
| 458 |
call MDSWRITEMETA( metaFName, dataFName, |
| 459 |
& filePrec, ndims, dimList, irecord, myIter, mythid ) |
| 460 |
C End of bi,bj loops |
| 461 |
enddo |
| 462 |
enddo |
| 463 |
C End of ip,jp loops |
| 464 |
enddo |
| 465 |
enddo |
| 466 |
|
| 467 |
|
| 468 |
_END_MASTER( myThid ) |
| 469 |
|
| 470 |
C ------------------------------------------------------------------ |
| 471 |
return |
| 472 |
end |
| 473 |
C======================================================================= |
| 474 |
|
| 475 |
C======================================================================= |
| 476 |
SUBROUTINE MDSREADFIELD_2D_GL( |
| 477 |
I fName, |
| 478 |
I filePrec, |
| 479 |
I arrType, |
| 480 |
I nNz, |
| 481 |
O arr_gl, |
| 482 |
I irecord, |
| 483 |
I myThid ) |
| 484 |
C |
| 485 |
C Arguments: |
| 486 |
C |
| 487 |
C fName string base name for file to read |
| 488 |
C filePrec integer number of bits per word in file (32 or 64) |
| 489 |
C arrType char(2) declaration of "arr": either "RS" or "RL" |
| 490 |
C nNz integer size of third dimension: normally either 1 or Nr |
| 491 |
C arr RS/RL array to read into, arr(:,:,nNz,:,:) |
| 492 |
C irecord integer record number to read |
| 493 |
C myThid integer thread identifier |
| 494 |
C |
| 495 |
C MDSREADFIELD first checks to see if the file "fName" exists, then |
| 496 |
C if the file "fName.data" exists and finally the tiled files of the |
| 497 |
C form "fName.xxx.yyy.data" exist. Currently, the meta-files are not |
| 498 |
C read because it is difficult to parse files in fortran. |
| 499 |
C The precision of the file is decsribed by filePrec, set either |
| 500 |
C to floatPrec32 or floatPrec64. The precision or declaration of |
| 501 |
C the array argument must be consistently described by the char*(2) |
| 502 |
C string arrType, either "RS" or "RL". nNz allows for both 2-D and |
| 503 |
C 3-D arrays to be handled. nNz=1 implies a 2-D model field and |
| 504 |
C nNz=Nr implies a 3-D model field. irecord is the record number |
| 505 |
C to be read and must be >= 1. The file data is stored in |
| 506 |
C arr *but* the overlaps are *not* updated. ie. An exchange must |
| 507 |
C be called. This is because the routine is sometimes called from |
| 508 |
C within a MASTER_THID region. |
| 509 |
C |
| 510 |
C Created: 03/16/99 adcroft@mit.edu |
| 511 |
|
| 512 |
implicit none |
| 513 |
C Global variables / common blocks |
| 514 |
#include "SIZE.h" |
| 515 |
#include "EEPARAMS.h" |
| 516 |
#include "PARAMS.h" |
| 517 |
|
| 518 |
C Routine arguments |
| 519 |
character*(*) fName |
| 520 |
integer filePrec |
| 521 |
character*(2) arrType |
| 522 |
integer nNz, nLocz |
| 523 |
parameter (nLocz = 1) |
| 524 |
_RL arr_gl(sNx,nSx,nPx,sNy,nSy,nPy,nLocz) |
| 525 |
integer irecord |
| 526 |
integer myThid |
| 527 |
C Functions |
| 528 |
integer ILNBLNK |
| 529 |
integer MDS_RECLEN |
| 530 |
C Local variables |
| 531 |
character*(80) dataFName |
| 532 |
integer ip,jp,iG,jG,irec,bi,bj,ii,j,k,dUnit,IL |
| 533 |
logical exst |
| 534 |
_RL arr(1-oLx:sNx+oLx,1-oLy:sNy+oLy,nLocz,nSx,nSy) |
| 535 |
Real*4 r4seg(sNx) |
| 536 |
Real*8 r8seg(sNx) |
| 537 |
logical globalFile,fileIsOpen |
| 538 |
integer length_of_rec |
| 539 |
character*(max_len_mbuf) msgbuf |
| 540 |
C ------------------------------------------------------------------ |
| 541 |
|
| 542 |
C Only do I/O if I am the master thread |
| 543 |
_BEGIN_MASTER( myThid ) |
| 544 |
|
| 545 |
C Record number must be >= 1 |
| 546 |
if (irecord .LT. 1) then |
| 547 |
write(msgbuf,'(a,i9.8)') |
| 548 |
& ' MDSREADFIELD_GL: argument irecord = ',irecord |
| 549 |
call print_message( msgbuf, standardmessageunit, |
| 550 |
& SQUEEZE_RIGHT , mythid) |
| 551 |
write(msgbuf,'(a)') |
| 552 |
& ' MDSREADFIELD_GL: Invalid value for irecord' |
| 553 |
call print_error( msgbuf, mythid ) |
| 554 |
stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
| 555 |
endif |
| 556 |
|
| 557 |
C Assume nothing |
| 558 |
globalFile = .FALSE. |
| 559 |
fileIsOpen = .FALSE. |
| 560 |
IL=ILNBLNK( fName ) |
| 561 |
|
| 562 |
C Assign a free unit number as the I/O channel for this routine |
| 563 |
call MDSFINDUNIT( dUnit, mythid ) |
| 564 |
|
| 565 |
C Check first for global file with simple name (ie. fName) |
| 566 |
dataFName = fName |
| 567 |
inquire( file=dataFname, exist=exst ) |
| 568 |
if (exst) then |
| 569 |
write(msgbuf,'(a,a)') |
| 570 |
& ' MDSREADFIELD: opening global file: ',dataFName |
| 571 |
call print_message( msgbuf, standardmessageunit, |
| 572 |
& SQUEEZE_RIGHT , mythid) |
| 573 |
endif |
| 574 |
|
| 575 |
C If negative check for global file with MDS name (ie. fName.data) |
| 576 |
if (.NOT. globalFile) then |
| 577 |
write(dataFname(1:80),'(2a)') fName(1:IL),'.data' |
| 578 |
inquire( file=dataFname, exist=exst ) |
| 579 |
if (exst) then |
| 580 |
write(msgbuf,'(a,a)') |
| 581 |
& ' MDSREADFIELD_GL: opening global file: ',dataFName |
| 582 |
call print_message( msgbuf, standardmessageunit, |
| 583 |
& SQUEEZE_RIGHT , mythid) |
| 584 |
globalFile = .TRUE. |
| 585 |
endif |
| 586 |
endif |
| 587 |
C Loop over all processors |
| 588 |
do jp=1,nPy |
| 589 |
do ip=1,nPx |
| 590 |
C Loop over all tiles |
| 591 |
do bj=1,nSy |
| 592 |
do bi=1,nSx |
| 593 |
C If we are reading from a tiled MDS file then we open each one here |
| 594 |
if (.NOT. globalFile) then |
| 595 |
iG=bi+(ip-1)*nsx ! Kludge until unstructered tiles |
| 596 |
jG=bj+(jp-1)*nsy ! Kludge until unstructered tiles |
| 597 |
write(dataFname(1:80),'(2a,i3.3,a,i3.3,a)') |
| 598 |
& fName(1:IL),'.',iG,'.',jG,'.data' |
| 599 |
inquire( file=dataFname, exist=exst ) |
| 600 |
C Of course, we only open the file if the tile is "active" |
| 601 |
C (This is a place-holder for the active/passive mechanism |
| 602 |
if (exst) then |
| 603 |
if ( debugLevel .GE. debLevA ) then |
| 604 |
write(msgbuf,'(a,a)') |
| 605 |
& ' MDSREADFIELD_GL: opening file: ',dataFName |
| 606 |
call print_message( msgbuf, standardmessageunit, |
| 607 |
& SQUEEZE_RIGHT , mythid) |
| 608 |
endif |
| 609 |
length_of_rec=MDS_RECLEN( filePrec, sNx, mythid ) |
| 610 |
open( dUnit, file=dataFName, status='old', |
| 611 |
& access='direct', recl=length_of_rec ) |
| 612 |
fileIsOpen=.TRUE. |
| 613 |
else |
| 614 |
fileIsOpen=.FALSE. |
| 615 |
write(msgbuf,'(a,a)') |
| 616 |
& ' MDSREADFIELD_GL: filename: ',dataFName |
| 617 |
call print_message( msgbuf, standardmessageunit, |
| 618 |
& SQUEEZE_RIGHT , mythid) |
| 619 |
call print_error( msgbuf, mythid ) |
| 620 |
write(msgbuf,'(a)') |
| 621 |
& ' MDSREADFIELD_GL: File does not exist' |
| 622 |
call print_message( msgbuf, standardmessageunit, |
| 623 |
& SQUEEZE_RIGHT , mythid) |
| 624 |
call print_error( msgbuf, mythid ) |
| 625 |
stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
| 626 |
endif |
| 627 |
endif |
| 628 |
|
| 629 |
if (fileIsOpen) then |
| 630 |
do k=1,nLocz |
| 631 |
do j=1,sNy |
| 632 |
iG = 0 |
| 633 |
jG = 0 |
| 634 |
irec=j + sNy*(k-1) + sNy*nLocz*(irecord-1) |
| 635 |
if (filePrec .eq. precFloat32) then |
| 636 |
read(dUnit,rec=irec) r4seg |
| 637 |
#ifdef _BYTESWAPIO |
| 638 |
call MDS_BYTESWAPR4( sNx, r4seg ) |
| 639 |
#endif |
| 640 |
if (arrType .eq. 'RS') then |
| 641 |
call MDS_SEG4toRS( j,bi,bj,k,nLocz, r4seg, .TRUE., arr ) |
| 642 |
elseif (arrType .eq. 'RL') then |
| 643 |
call MDS_SEG4toRL( j,bi,bj,k,nLocz, r4seg, .TRUE., arr ) |
| 644 |
else |
| 645 |
write(msgbuf,'(a)') |
| 646 |
& ' MDSREADFIELD_GL: illegal value for arrType' |
| 647 |
call print_error( msgbuf, mythid ) |
| 648 |
stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
| 649 |
endif |
| 650 |
elseif (filePrec .eq. precFloat64) then |
| 651 |
read(dUnit,rec=irec) r8seg |
| 652 |
#ifdef _BYTESWAPIO |
| 653 |
call MDS_BYTESWAPR8( sNx, r8seg ) |
| 654 |
#endif |
| 655 |
if (arrType .eq. 'RS') then |
| 656 |
call MDS_SEG8toRS( j,bi,bj,k,nLocz, r8seg, .TRUE., arr ) |
| 657 |
elseif (arrType .eq. 'RL') then |
| 658 |
call MDS_SEG8toRL( j,bi,bj,k,nLocz, r8seg, .TRUE., arr ) |
| 659 |
else |
| 660 |
write(msgbuf,'(a)') |
| 661 |
& ' MDSREADFIELD_GL: illegal value for arrType' |
| 662 |
call print_error( msgbuf, mythid ) |
| 663 |
stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
| 664 |
endif |
| 665 |
else |
| 666 |
write(msgbuf,'(a)') |
| 667 |
& ' MDSREADFIELD_GL: illegal value for filePrec' |
| 668 |
call print_error( msgbuf, mythid ) |
| 669 |
stop 'ABNORMAL END: S/R MDSREADFIELD_GL' |
| 670 |
endif |
| 671 |
do ii=1,sNx |
| 672 |
arr_gl(ii,bi,ip,j,bj,jp,k)=arr(ii,j,k,bi,bj) |
| 673 |
enddo |
| 674 |
|
| 675 |
C End of j loop |
| 676 |
enddo |
| 677 |
C End of k loop |
| 678 |
enddo |
| 679 |
if (.NOT. globalFile) then |
| 680 |
close( dUnit ) |
| 681 |
fileIsOpen = .FALSE. |
| 682 |
endif |
| 683 |
endif |
| 684 |
C End of bi,bj loops |
| 685 |
enddo |
| 686 |
enddo |
| 687 |
C End of ip,jp loops |
| 688 |
enddo |
| 689 |
enddo |
| 690 |
|
| 691 |
C If global file was opened then close it |
| 692 |
if (fileIsOpen .AND. globalFile) then |
| 693 |
close( dUnit ) |
| 694 |
fileIsOpen = .FALSE. |
| 695 |
endif |
| 696 |
|
| 697 |
_END_MASTER( myThid ) |
| 698 |
|
| 699 |
C ------------------------------------------------------------------ |
| 700 |
return |
| 701 |
end |
| 702 |
C======================================================================= |
| 703 |
|
| 704 |
C======================================================================= |
| 705 |
SUBROUTINE MDSWRITEFIELD_2D_GL( |
| 706 |
I fName, |
| 707 |
I filePrec, |
| 708 |
I arrType, |
| 709 |
I nNz, |
| 710 |
I arr_gl, |
| 711 |
I irecord, |
| 712 |
I myIter, |
| 713 |
I myThid ) |
| 714 |
C |
| 715 |
C Arguments: |
| 716 |
C |
| 717 |
C fName string base name for file to written |
| 718 |
C filePrec integer number of bits per word in file (32 or 64) |
| 719 |
C arrType char(2) declaration of "arr": either "RS" or "RL" |
| 720 |
C nNz integer size of third dimension: normally either 1 or Nr |
| 721 |
C arr RS/RL array to write, arr(:,:,nNz,:,:) |
| 722 |
C irecord integer record number to read |
| 723 |
C myIter integer time step number |
| 724 |
C myThid integer thread identifier |
| 725 |
C |
| 726 |
C MDSWRITEFIELD creates either a file of the form "fName.data" and |
| 727 |
C "fName.meta" if the logical flag "globalFile" is set true. Otherwise |
| 728 |
C it creates MDS tiled files of the form "fName.xxx.yyy.data" and |
| 729 |
C "fName.xxx.yyy.meta". A meta-file is always created. |
| 730 |
C Currently, the meta-files are not read because it is difficult |
| 731 |
C to parse files in fortran. We should read meta information before |
| 732 |
C adding records to an existing multi-record file. |
| 733 |
C The precision of the file is decsribed by filePrec, set either |
| 734 |
C to floatPrec32 or floatPrec64. The precision or declaration of |
| 735 |
C the array argument must be consistently described by the char*(2) |
| 736 |
C string arrType, either "RS" or "RL". nNz allows for both 2-D and |
| 737 |
C 3-D arrays to be handled. nNz=1 implies a 2-D model field and |
| 738 |
C nNz=Nr implies a 3-D model field. irecord is the record number |
| 739 |
C to be read and must be >= 1. NOTE: It is currently assumed that |
| 740 |
C the highest record number in the file was the last record written. |
| 741 |
C Nor is there a consistency check between the routine arguments and file. |
| 742 |
C ie. if your write record 2 after record 4 the meta information |
| 743 |
C will record the number of records to be 2. This, again, is because |
| 744 |
C we have read the meta information. To be fixed. |
| 745 |
C |
| 746 |
C Created: 03/16/99 adcroft@mit.edu |
| 747 |
C |
| 748 |
C Changed: 05/31/00 heimbach@mit.edu |
| 749 |
C open(dUnit, ..., status='old', ... -> status='unknown' |
| 750 |
|
| 751 |
implicit none |
| 752 |
C Global variables / common blocks |
| 753 |
#include "SIZE.h" |
| 754 |
#include "EEPARAMS.h" |
| 755 |
#include "PARAMS.h" |
| 756 |
|
| 757 |
C Routine arguments |
| 758 |
character*(*) fName |
| 759 |
integer filePrec |
| 760 |
character*(2) arrType |
| 761 |
integer nNz, nLocz |
| 762 |
parameter (nLocz = 1) |
| 763 |
cph( |
| 764 |
cph Real arr(*) |
| 765 |
_RL arr_gl(sNx,nSx,nPx,sNy,nSy,nPy,nLocz) |
| 766 |
cph) |
| 767 |
integer irecord |
| 768 |
integer myIter |
| 769 |
integer myThid |
| 770 |
C Functions |
| 771 |
integer ILNBLNK |
| 772 |
integer MDS_RECLEN |
| 773 |
C Local variables |
| 774 |
character*(80) dataFName,metaFName |
| 775 |
integer ip,jp,iG,jG,irec,bi,bj,ii,j,k,dUnit,IL |
| 776 |
Real*4 r4seg(sNx) |
| 777 |
Real*8 r8seg(sNx) |
| 778 |
_RL arr(1-oLx:sNx+oLx,1-oLy:sNy+oLy,nLocz,nSx,nSy) |
| 779 |
integer dimList(3,3),ndims |
| 780 |
integer length_of_rec |
| 781 |
logical fileIsOpen |
| 782 |
character*(max_len_mbuf) msgbuf |
| 783 |
C ------------------------------------------------------------------ |
| 784 |
|
| 785 |
C Only do I/O if I am the master thread |
| 786 |
_BEGIN_MASTER( myThid ) |
| 787 |
|
| 788 |
C Record number must be >= 1 |
| 789 |
if (irecord .LT. 1) then |
| 790 |
write(msgbuf,'(a,i9.8)') |
| 791 |
& ' MDSWRITEFIELD_GL: argument irecord = ',irecord |
| 792 |
call print_message( msgbuf, standardmessageunit, |
| 793 |
& SQUEEZE_RIGHT , mythid) |
| 794 |
write(msgbuf,'(a)') |
| 795 |
& ' MDSWRITEFIELD_GL: invalid value for irecord' |
| 796 |
call print_error( msgbuf, mythid ) |
| 797 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 798 |
endif |
| 799 |
|
| 800 |
C Assume nothing |
| 801 |
fileIsOpen=.FALSE. |
| 802 |
IL=ILNBLNK( fName ) |
| 803 |
|
| 804 |
C Assign a free unit number as the I/O channel for this routine |
| 805 |
call MDSFINDUNIT( dUnit, mythid ) |
| 806 |
|
| 807 |
|
| 808 |
C Loop over all processors |
| 809 |
do jp=1,nPy |
| 810 |
do ip=1,nPx |
| 811 |
C Loop over all tiles |
| 812 |
do bj=1,nSy |
| 813 |
do bi=1,nSx |
| 814 |
C If we are writing to a tiled MDS file then we open each one here |
| 815 |
iG=bi+(ip-1)*nsx ! Kludge until unstructered tiles |
| 816 |
jG=bj+(jp-1)*nsy ! Kludge until unstructered tiles |
| 817 |
write(dataFname(1:80),'(2a,i3.3,a,i3.3,a)') |
| 818 |
& fName(1:IL),'.',iG,'.',jG,'.data' |
| 819 |
if (irecord .EQ. 1) then |
| 820 |
length_of_rec=MDS_RECLEN( filePrec, sNx, mythid ) |
| 821 |
open( dUnit, file=dataFName, status=_NEW_STATUS, |
| 822 |
& access='direct', recl=length_of_rec ) |
| 823 |
fileIsOpen=.TRUE. |
| 824 |
else |
| 825 |
length_of_rec=MDS_RECLEN( filePrec, sNx, mythid ) |
| 826 |
open( dUnit, file=dataFName, status=_OLD_STATUS, |
| 827 |
& access='direct', recl=length_of_rec ) |
| 828 |
fileIsOpen=.TRUE. |
| 829 |
endif |
| 830 |
if (fileIsOpen) then |
| 831 |
do k=1,nLocz |
| 832 |
do j=1,sNy |
| 833 |
do ii=1,sNx |
| 834 |
arr(ii,j,k,bi,bj)=arr_gl(ii,bi,ip,j,bj,jp,k) |
| 835 |
enddo |
| 836 |
iG = 0 |
| 837 |
jG = 0 |
| 838 |
irec=j + sNy*(k-1) + sNy*nLocz*(irecord-1) |
| 839 |
if (filePrec .eq. precFloat32) then |
| 840 |
if (arrType .eq. 'RS') then |
| 841 |
call MDS_SEG4toRS( j,bi,bj,k,nLocz, r4seg, .FALSE., arr ) |
| 842 |
elseif (arrType .eq. 'RL') then |
| 843 |
call MDS_SEG4toRL( j,bi,bj,k,nLocz, r4seg, .FALSE., arr ) |
| 844 |
else |
| 845 |
write(msgbuf,'(a)') |
| 846 |
& ' MDSWRITEFIELD_GL: illegal value for arrType' |
| 847 |
call print_error( msgbuf, mythid ) |
| 848 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 849 |
endif |
| 850 |
#ifdef _BYTESWAPIO |
| 851 |
call MDS_BYTESWAPR4( sNx, r4seg ) |
| 852 |
#endif |
| 853 |
write(dUnit,rec=irec) r4seg |
| 854 |
elseif (filePrec .eq. precFloat64) then |
| 855 |
if (arrType .eq. 'RS') then |
| 856 |
call MDS_SEG8toRS( j,bi,bj,k,nLocz, r8seg, .FALSE., arr ) |
| 857 |
elseif (arrType .eq. 'RL') then |
| 858 |
call MDS_SEG8toRL( j,bi,bj,k,nLocz, r8seg, .FALSE., arr ) |
| 859 |
else |
| 860 |
write(msgbuf,'(a)') |
| 861 |
& ' MDSWRITEFIELD_GL: illegal value for arrType' |
| 862 |
call print_error( msgbuf, mythid ) |
| 863 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 864 |
endif |
| 865 |
#ifdef _BYTESWAPIO |
| 866 |
call MDS_BYTESWAPR8( sNx, r8seg ) |
| 867 |
#endif |
| 868 |
write(dUnit,rec=irec) r8seg |
| 869 |
else |
| 870 |
write(msgbuf,'(a)') |
| 871 |
& ' MDSWRITEFIELD_GL: illegal value for filePrec' |
| 872 |
call print_error( msgbuf, mythid ) |
| 873 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 874 |
endif |
| 875 |
C End of j loop |
| 876 |
enddo |
| 877 |
C End of k loop |
| 878 |
enddo |
| 879 |
else |
| 880 |
write(msgbuf,'(a)') |
| 881 |
& ' MDSWRITEFIELD_GL: I should never get to this point' |
| 882 |
call print_error( msgbuf, mythid ) |
| 883 |
stop 'ABNORMAL END: S/R MDSWRITEFIELD_GL' |
| 884 |
endif |
| 885 |
C If we were writing to a tiled MDS file then we close it here |
| 886 |
if (fileIsOpen) then |
| 887 |
close( dUnit ) |
| 888 |
fileIsOpen = .FALSE. |
| 889 |
endif |
| 890 |
C Create meta-file for each tile if we are tiling |
| 891 |
iG=bi+(ip-1)*nsx ! Kludge until unstructered tiles |
| 892 |
jG=bj+(jp-1)*nsy ! Kludge until unstructered tiles |
| 893 |
write(metaFname(1:80),'(2a,i3.3,a,i3.3,a)') |
| 894 |
& fName(1:IL),'.',iG,'.',jG,'.meta' |
| 895 |
dimList(1,1)=Nx |
| 896 |
dimList(2,1)=((ip-1)*nSx+(bi-1))*sNx+1 |
| 897 |
dimList(3,1)=((ip-1)*nSx+bi)*sNx |
| 898 |
dimList(1,2)=Ny |
| 899 |
dimList(2,2)=((jp-1)*nSy+(bj-1))*sNy+1 |
| 900 |
dimList(3,2)=((jp-1)*nSy+bj)*sNy |
| 901 |
dimList(1,3)=Nr |
| 902 |
dimList(2,3)=1 |
| 903 |
dimList(3,3)=Nr |
| 904 |
ndims=3 |
| 905 |
if (nLocz .EQ. 1) ndims=2 |
| 906 |
call MDSWRITEMETA( metaFName, dataFName, |
| 907 |
& filePrec, ndims, dimList, irecord, myIter, mythid ) |
| 908 |
C End of bi,bj loops |
| 909 |
enddo |
| 910 |
enddo |
| 911 |
C End of ip,jp loops |
| 912 |
enddo |
| 913 |
enddo |
| 914 |
|
| 915 |
|
| 916 |
_END_MASTER( myThid ) |
| 917 |
|
| 918 |
C ------------------------------------------------------------------ |
| 919 |
return |
| 920 |
end |
| 921 |
C======================================================================= |
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