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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/ptracers/ptracers_read_checkpoint.F,v 1.12 2006/03/24 11:34:41 mlosch Exp $ |
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C $Name: $ |
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#include "PTRACERS_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: PTRACERS_READ_PICKUP |
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C !INTERFACE: |
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SUBROUTINE PTRACERS_READ_PICKUP( myIter, myThid ) |
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C !DESCRIPTION: |
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C Reads current state of passive tracers from a pickup file |
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C !USES: |
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IMPLICIT NONE |
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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 "PTRACERS_SIZE.h" |
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#include "PTRACERS.h" |
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C !INPUT PARAMETERS: |
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C myIter :: time-step number |
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C myThid :: thread number |
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INTEGER myIter |
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INTEGER myThid |
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#ifdef ALLOW_PTRACERS |
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C !LOCAL VARIABLES: |
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C iTracer :: loop indices |
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C iRec :: record number |
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C fn :: character buffer for creating filename |
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C prec :: precision of pickup files |
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C fn :: suffix for pickup file (eg. 0000000010) |
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INTEGER iTracer,prec,iRec |
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CHARACTER*(MAX_LEN_MBUF) fn |
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CEOP |
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#ifdef ALLOW_MNC |
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IF ( PTRACERS_pickup_read_mnc ) THEN |
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C Read variables from the pickup file |
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WRITE(fn,'(a)') 'pickup_ptracers' |
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CALL MNC_FILE_CLOSE_ALL_MATCHING(fn, myThid) |
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CALL MNC_CW_SET_UDIM(fn, 1, myThid) |
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CALL MNC_CW_SET_CITER(fn, 3, 3, myIter, -1, myThid) |
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DO iTracer = 1,PTRACERS_numInUse |
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CALL MNC_CW_RL_R('D',fn,0,0, PTRACERS_names(iTracer), |
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& gPtrNm1(1-OLx,1-OLy,1,1,1,iTracer),myThid) |
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_EXCH_XYZ_R8(gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
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ENDDO |
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CALL MNC_CW_SET_UDIM(fn, 2, myThid) |
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DO iTracer = 1,PTRACERS_numInUse |
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CALL MNC_CW_RL_R('D',fn,0,0, PTRACERS_names(iTracer), |
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& pTracer(1-OLx,1-OLy,1,1,1,iTracer),myThid) |
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_EXCH_XYZ_R8(pTracer(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_MNC */ |
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IF ( PTRACERS_pickup_read_mdsio ) THEN |
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WRITE(fn,'(A,I10.10)') 'pickup_ptracers.',myIter |
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prec = precFloat64 |
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IF ( usePickupBeforeC54 ) THEN |
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C Read fields as consecutive records |
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DO iTracer=1,PTRACERS_num |
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iRec = iTracer |
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CALL MDSREADFIELD(fn,prec,'RL',Nr, |
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& pTracer(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
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_EXCH_XYZ_R8(pTracer(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
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ENDDO |
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C Read historical tendancies as consecutive records |
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DO iTracer=1,PTRACERS_num |
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iRec = iTracer + PTRACERS_num |
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CALL MDSREADFIELD(fn,prec,'RL',Nr, |
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& gPtr(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
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_EXCH_XYZ_R8(gPtr(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
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ENDDO |
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DO iTracer=1,PTRACERS_num |
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iRec = iTracer + PTRACERS_num*2 |
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CALL MDSREADFIELD(fn,prec,'RL',Nr, |
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& gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
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_EXCH_XYZ_R8(gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
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ENDDO |
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ELSE |
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C Read fields & tendancies (needed for AB) as consecutive records, |
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C one tracer after the other, only for tracers "InUse". Note: |
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C this allow to restart from a pickup with a different number of |
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C tracers, with write_pickup dumping all of them (PTRACERS_num). |
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DO iTracer=1,PTRACERS_numInUse |
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iRec = 2*iTracer -1 |
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CALL MDSREADFIELD(fn,prec,'RL',Nr, |
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& pTracer(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
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iRec = 2*iTracer |
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CALL MDSREADFIELD(fn,prec,'RL',Nr, |
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& gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),iRec,myThid) |
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_EXCH_XYZ_R8(pTracer(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
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_EXCH_XYZ_R8(gPtrNm1(1-Olx,1-Oly,1,1,1,iTracer),myThid) |
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ENDDO |
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ENDIF |
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ENDIF |
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#endif /* ALLOW_PTRACERS */ |
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RETURN |
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END |
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