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C $Header: /u/gcmpack/MITgcm/pkg/flt/flt_traj.F,v 1.13 2011/08/31 21:41:55 jmc Exp $ |
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C $Name: $ |
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|
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#include "FLT_OPTIONS.h" |
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|
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CBOP 0 |
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C !ROUTINE: FLT_TRAJ |
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|
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C !INTERFACE: |
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SUBROUTINE FLT_TRAJ ( |
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I myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: |
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C *==========================================================* |
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C | SUBROUTINE FLT_TRAJ |
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C | o This routine samples the model state at float position |
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C | every flt_int_traj time steps and writes output. |
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C *==========================================================* |
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|
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C !USES: |
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IMPLICIT NONE |
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C == global variables == |
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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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#include "DYNVARS.h" |
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#include "FLT_SIZE.h" |
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#include "FLT.h" |
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#include "FLT_BUFF.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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#endif |
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|
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C !INPUT PARAMETERS: |
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C myTime :: current time in simulation |
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C myIter :: current iteration number |
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C myThid :: my Thread Id number |
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_RL myTime |
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INTEGER myIter, myThid |
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|
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C !FUNCTIONS: |
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_RL FLT_MAP_K2R |
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EXTERNAL FLT_MAP_K2R |
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|
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C !LOCAL VARIABLES: |
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INTEGER bi, bj, nFlds |
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INTEGER ip, kp, ii |
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_RL ix, jy, i0x, j0y, xx, yy, zz |
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_RL uu, vv, tt, ss, pp |
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|
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INTEGER imax |
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PARAMETER (imax=13) |
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_RL tmp(imax) |
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_RL npart_read, npart_times |
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_RS dummyRS(1) |
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INTEGER fp, ioUnit, irecord |
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CHARACTER*(MAX_LEN_FNAM) fn |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#ifdef ALLOW_EXCH2 |
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INTEGER nT |
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#endif |
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CEOP |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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C-- set number of fields to write |
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nFlds = 0 |
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IF ( flt_selectTrajOutp.GE.1 ) nFlds = nFlds + 8 |
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IF ( flt_selectTrajOutp.GE.2 ) nFlds = nFlds + 5 |
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|
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C-- check buffer size |
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IF ( nFlds.GT.fltBufDim ) THEN |
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_BEGIN_MASTER(myThid) |
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WRITE(msgBuf,'(3(A,I4))') ' FLT_TRAJ: fltBufDim=', fltBufDim, |
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& ' too small (<', nFlds, ' )' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(2A)') ' FLT_TRAJ: => increase fltBufDim', |
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& ' in "FLT_SIZE.h" & recompile' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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_END_MASTER(myThid) |
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CALL ALL_PROC_DIE( myThid ) |
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STOP 'ABNORMAL END: S/R FLT_TRAJ' |
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ENDIF |
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|
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IF ( myIter.EQ.nIter0 .OR. flt_selectTrajOutp.LE.0 ) RETURN |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C-- Calculate position + other fields at float position and fill up IO-buffer |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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#ifdef ALLOW_EXCH2 |
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nT = W2_myTileList(bi,bj) |
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i0x = DFLOAT( exch2_txGlobalo(nT) - 1 ) |
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j0y = DFLOAT( exch2_tyGlobalo(nT) - 1 ) |
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#else |
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i0x = DFLOAT( myXGlobalLo-1 + (bi-1)*sNx ) |
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j0y = DFLOAT( myYGlobalLo-1 + (bj-1)*sNy ) |
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#endif |
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DO ip=1,npart_tile(bi,bj) |
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|
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ix = ipart(ip,bi,bj) |
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jy = jpart(ip,bi,bj) |
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CALL FLT_MAP_IJLOCAL2XY( xx, yy, |
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I ix, jy, bi,bj, myThid ) |
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zz = FLT_MAP_K2R( kpart(ip,bi,bj),bi,bj,myThid ) |
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kp = NINT(kpart(ip,bi,bj)) |
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tmp(1) = npart(ip,bi,bj) |
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tmp(2) = myTime |
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tmp(3) = xx |
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tmp(4) = yy |
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tmp(5) = zz |
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tmp(6) = ix + i0x |
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tmp(7) = jy + j0y |
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tmp(8) = kpart(ip,bi,bj) |
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|
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IF ( ( flt_selectTrajOutp.GE.2 ) .AND. |
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& ( myTime.GE.tstart(ip,bi,bj)) .AND. |
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& ( tend(ip,bi,bj).EQ.-1. .OR. myTime.LE.tend(ip,bi,bj)) |
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& ) THEN |
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IF ( kp.LT.1 .OR. kp.GT.Nr ) THEN |
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WRITE(msgBuf,'(2A,I8)') '** WARNING ** FLT_TRAJ: ', |
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& ' illegal value for kp=',kp |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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WRITE(msgBuf,'(A,1P5E20.13)') |
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& ' FLT_TRAJ: ', (flt_io_buff(ii,ip,bi,bj),ii=1,5) |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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c CALL PRINT_ERROR( msgBuf, myThid ) |
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c STOP 'ABNORMAL END: S/R FLT_TRAJ' |
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C-- jmc: not sure if this is right but added to avoid Pb in FLT_BILINEAR: |
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kp = MIN( MAX(kp,1), Nr) |
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ENDIF |
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CALL FLT_BILINEAR (ix,jy,uu,uVel, kp,1,bi,bj,myThid) |
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CALL FLT_BILINEAR (ix,jy,vv,vVel, kp,2,bi,bj,myThid) |
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CALL FLT_BILINEAR2D(ix,jy,pp,etaN, 0,bi,bj,myThid) |
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CALL FLT_BILINEAR (ix,jy,tt,theta, kp,0,bi,bj,myThid) |
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CALL FLT_BILINEAR (ix,jy,ss,salt, kp,0,bi,bj,myThid) |
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tmp( 9) = pp |
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tmp(10) = uu |
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tmp(11) = vv |
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tmp(12) = tt |
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tmp(13) = ss |
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ELSEIF ( flt_selectTrajOutp.GE.2 ) THEN |
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tmp( 9) = flt_nan |
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tmp(10) = flt_nan |
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tmp(11) = flt_nan |
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tmp(12) = flt_nan |
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tmp(13) = flt_nan |
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ENDIF |
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|
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DO ii=1,nFlds |
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flt_io_buff(ii,ip,bi,bj) = tmp(ii) |
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ENDDO |
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|
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ENDDO |
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|
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ENDDO |
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ENDDO |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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C-- Write shared buffer to file |
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|
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_BARRIER |
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_BEGIN_MASTER(myThid) |
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|
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fn = 'float_trajectories' |
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fp = writeBinaryPrec |
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|
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DO bj=1,nSy |
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DO bi=1,nSx |
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|
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C (1) read actual number floats from file (if exists) |
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ioUnit = -2 |
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CALL MDS_READVEC_LOC( fn, fp, ioUnit, 'RL', nFlds, |
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O tmp, dummyRS, |
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I bi, bj, 1, myThid ) |
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IF ( ioUnit.GT. 0 ) THEN |
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npart_read = tmp(1) |
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npart_times = tmp(5) |
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ii = NINT(tmp(7)) |
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C- for backward compatibility with old trajectory files: |
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IF ( ii.EQ.0 ) ii = 13 |
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IF ( ii.NE.nFlds ) THEN |
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WRITE(msgBuf,'(A,I4,A)') |
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& 'FLT_TRAJ: nFlds=', nFlds,' different from' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(3A,I4,A)') |
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& 'previous file (',fn(1:18),') value =',ii |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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CALL ALL_PROC_DIE( 0 ) |
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STOP 'ABNORMAL END: S/R FLT_TRAJ' |
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ENDIF |
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C- close the read-unit (safer to use a different unit for writing) |
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CLOSE( ioUnit ) |
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ELSE |
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npart_read = 0. |
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npart_times = 0. |
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tmp(2) = myTime |
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ENDIF |
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|
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C (2) write new actual number floats and time axis into file |
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C- the standard routine mds_writevec_loc can be used here |
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|
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C total number of records in this file |
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tmp(1) = DBLE(npart_tile(bi,bj))+npart_read |
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C first time of writing floats (do not change when written) |
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c tmp(2) = tmp(2) |
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C current time |
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tmp(3) = myTime |
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C timestep |
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tmp(4) = flt_int_traj |
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C total number of timesteps |
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tmp(5) = npart_times + 1. |
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C total number of floats |
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tmp(6) = max_npart |
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C total number of fields |
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tmp(7) = nFlds |
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DO ii=8,nFlds |
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tmp(ii) = 0. |
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ENDDO |
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ioUnit = -1 |
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CALL MDS_WRITEVEC_LOC( fn, fp, ioUnit, 'RL', nFlds, |
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& tmp, dummyRS, |
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& bi, bj, -1, myIter, myThid ) |
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|
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DO ip=1,npart_tile(bi,bj) |
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C (3) write float positions into file |
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irecord = npart_read+ip+1 |
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IF ( ip.NE.npart_tile(bi,bj) ) irecord = -irecord |
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CALL MDS_WRITEVEC_LOC( fn, fp, ioUnit, 'RL', nFlds, |
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I flt_io_buff(1,ip,bi,bj), dummyRS, |
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I bi, bj, irecord, myIter, myThid ) |
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ENDDO |
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CLOSE( ioUnit ) |
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|
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ENDDO |
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ENDDO |
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|
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_END_MASTER(myThid) |
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_BARRIER |
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|
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RETURN |
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END |
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