C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/fizhi/fizhi_read_pickup.F,v 1.6 2004/08/06 21:12:14 edhill Exp $
C $Name:  $

#include "FIZHI_OPTIONS.h"

CBOP
C     !ROUTINE: FIZHI_READ_PICKUP
C     !INTERFACE:
      SUBROUTINE FIZHI_READ_PICKUP( myIter, myThid )

C     !DESCRIPTION: \bv
C     *==========================================================*
C     | S/R FIZHI_READ_PICKUP
C     | o Reads current fizhi state from a pickup file
C     *==========================================================*
C     \ev

C     !USES:
CEOP
      IMPLICIT NONE

C     == Global variables ===
#include "SIZE.h"
#include "fizhi_SIZE.h"
#include "fizhi_land_SIZE.h"
#include "fizhi_coms.h"
#include "fizhi_land_coms.h"
#include "fizhi_io_comms.h"
#include "EEPARAMS.h"
#include "PARAMS.h"

C     == Routine Arguments ==
C     myIter  :: time-step number
C     myThid  :: Number of this instance
      INTEGER myIter
      INTEGER myThid

C     !LOCAL VARIABLES:
C     fn      :: character buffer for creating filename
C     prec    :: precision of pickup files
C     k       :: loop index
      INTEGER i, prec
      CHARACTER*(MAX_LEN_FNAM) fn

      DO i = 1,MAX_LEN_FNAM
        fn(i:i) = ' '
      ENDDO
      WRITE(fn,'(A,I10.10)') 'pickup_fizhi.',myIter
      prec = precFloat64

C#ifdef ALLOW_MDSIO
      IF ( fizhi_mdsio_read_pickup ) THEN

C       Read fields as consecutive records
        CALL MDSREADFIELD(fn,prec,'RL',Nrphys,uphy,1,myThid)
        CALL MDSREADFIELD(fn,prec,'RL',Nrphys,vphy,2,myThid)
        CALL MDSREADFIELD(fn,prec,'RL',Nrphys,thphy,3,myThid)
        CALL MDSREADFIELD(fn,prec,'RL',Nrphys,sphy,4,myThid)

      ENDIF

#ifdef ALLOW_MNC
      IF ( useMNC .and. fizhi_mnc_read_pickup ) THEN

        _BEGIN_MASTER(myThid)

        WRITE(fn,'(A,I10.10)') 'pickup_fizhi.',myIter

        CALL MNC_CW_RL_R('D',fn,0,0,'uphy',uphy,myThid)
        CALL MNC_CW_RL_R('D',fn,0,0,'vphy',vphy,myThid)
        CALL MNC_CW_RL_R('D',fn,0,0,'thphy',thphy,myThid)
        CALL MNC_CW_RL_R('D',fn,0,0,'sphy',sphy,myThid)


        _END_MASTER()

      ENDIF
#endif

      RETURN
      END