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C $Header: /u/gcmpack/MITgcm/pkg/exf/exf_set_uv.F,v 1.36 2017/02/21 01:04:26 jmc Exp $ |
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C $Name: $ |
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|
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#include "EXF_OPTIONS.h" |
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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 !ROUTINE: EXF_INIT_FLD |
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C !INTERFACE: |
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SUBROUTINE EXF_SET_UV( |
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I uVecName, uVecFile, uVecMask, |
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I uVecStartTime, uVecPeriod, uVecRepeatCycle, |
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I uVec_inScale, uVec_remove_intercept, uVec_remove_slope, |
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U uVec, uVec0, uVec1, |
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I vVecName, vVecFile, vVecMask, |
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I vVecStartTime, vVecPeriod, vVecRepeatCycle, |
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I vVec_inScale, vVec_remove_intercept, vVec_remove_slope, |
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U vVec, vVec0, vVec1, |
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#ifdef USE_EXF_INTERPOLATION |
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I uVec_lon0, uVec_lon_inc, uVec_lat0, uVec_lat_inc, |
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I uVec_nlon, uVec_nlat, u_interp_method, |
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I vVec_lon0, vVec_lon_inc, vVec_lat0, vVec_lat_inc, |
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I vVec_nlon, vVec_nlat, v_interp_method, uvInterp, |
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#endif /* USE_EXF_INTERPOLATION */ |
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I myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *=================================================================* |
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C | SUBROUTINE EXF_SET_UV |
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C | o Read-in, interpolate, and rotate wind or wind stress vectors |
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C | from a spherical-polar input grid to an arbitrary output grid. |
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C *=================================================================* |
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C | menemenlis@jpl.nasa.gov, 8-Dec-2003 |
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C *=================================================================* |
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C \ev |
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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 "EEPARAMS.h" |
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#include "SIZE.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "EXF_INTERP_SIZE.h" |
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#include "EXF_PARAM.h" |
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#include "EXF_CONSTANTS.h" |
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#include "EXF_FIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C *VecName :: vector compon. short name (to print mesg) |
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C *VecFile :: file-name for this vector compon. field |
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C *VecStartTime :: corresponding starting time (in sec) for this vec |
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C *VecPeriod :: time period (in sec) between 2 reccords |
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C *VecRepeatCycle :: time duration of a repeating cycle |
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C *Vec_inScale :: input field scaling factor |
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C *VecRemove_intercept :: |
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C *VecRemove_slope :: |
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C *Vec :: field array containing current time values |
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C *Vec0 :: field array holding previous reccord |
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C *Vec1 :: field array holding next reccord |
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#ifdef USE_EXF_INTERPOLATION |
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C *vec_lon0, *vec_lat0 :: longitude and latitude of SouthWest |
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C :: corner of global input grid for *vec |
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C *vec_nlon, *vec_nlat :: input x-grid and y-grid size for *vec |
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C *_interp_method :: select interpolation method for *vec |
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C *vec_lon_inc :: scalar x-grid increment for *vec |
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C *vec_lat_inc :: vector y-grid increments for *vec |
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#endif /* USE_EXF_INTERPOLATION */ |
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C myTime :: Current time (in sec) 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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CHARACTER*(*) uVecName |
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CHARACTER*(128) uVecFile |
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CHARACTER*1 uVecMask |
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_RL uVecStartTime, uVecPeriod, uVecRepeatCycle |
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_RL uVec_inScale |
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_RL uVec_remove_intercept, uVec_remove_slope |
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_RL uVec (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL uVec0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL uVec1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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CHARACTER*(*) vVecName |
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CHARACTER*(128) vVecFile |
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CHARACTER*1 vVecMask |
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_RL vVecStartTime, vVecPeriod, vVecRepeatCycle |
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_RL vVec_inScale |
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_RL vVec_remove_intercept, vVec_remove_slope |
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_RL vVec (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL vVec0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL vVec1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#ifdef USE_EXF_INTERPOLATION |
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_RL uVec_lon0, uVec_lon_inc |
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_RL uVec_lat0, uVec_lat_inc(MAX_LAT_INC) |
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INTEGER uVec_nlon, uVec_nlat, u_interp_method |
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_RL vVec_lon0, vVec_lon_inc |
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_RL vVec_lat0, vVec_lat_inc(MAX_LAT_INC) |
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INTEGER vVec_nlon, vVec_nlat, v_interp_method |
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LOGICAL uvInterp |
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#endif /* USE_EXF_INTERPOLATION */ |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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|
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C !FUNCTIONS: |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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|
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C !LOCAL VARIABLES: |
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INTEGER i, j, bi, bj |
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_RL tmp_u (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL tmp_v (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#ifdef USE_EXF_INTERPOLATION |
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C msgBuf :: Informational/error message buffer |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CHARACTER*(128) uVecFile0, uVecFile1 |
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CHARACTER*(128) vVecFile0, vVecFile1 |
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CHARACTER*(MAX_LEN_FNAM) out_uVecFile, out_vVecFile |
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LOGICAL first, changed |
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_RL fac |
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#ifdef EXF_USE_OLD_VEC_ROTATION |
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_RL x1, x2, x3, x4, y1, y2, y3, y4, dx, dy |
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#endif |
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INTEGER count0, count1 |
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INTEGER year0, year1 |
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# ifndef EXF_INTERP_USE_DYNALLOC |
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_RL bufArr1( exf_interp_bufferSize ) |
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_RL bufArr2( exf_interp_bufferSize ) |
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# endif |
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#endif /* USE_EXF_INTERPOLATION */ |
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CEOP |
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|
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#ifdef USE_EXF_INTERPOLATION |
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IF ( u_interp_method.GE.1 .AND. v_interp_method.GE.1 .AND. |
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& uVecFile.NE.' ' .AND. vVecFile.NE.' ' .AND. |
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& (usingCurvilinearGrid .OR. rotateGrid .OR. uvInterp) ) THEN |
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|
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IF ( exf_debugLev.GE.debLevD ) THEN |
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_BEGIN_MASTER( myThid ) |
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i = ILNBLNK(uVecFile) |
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j = ILNBLNK(vVecFile) |
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WRITE(msgBuf,'(6A)') 'EXF_SET_UV: ', |
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& 'processing fields "', uVecName, '" & "', vVecName, '"' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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WRITE(msgBuf,'(6A)') 'EXF_SET_UV: ', |
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& ' files: ', uVecFile(1:i), ' & ', vVecFile(1:j) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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_END_MASTER( myThid ) |
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ENDIF |
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IF ( useCAL .AND. uVecPeriod .EQ. -12. ) THEN |
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#ifdef ALLOW_CAL |
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C- genperiod=-12 means input file contains 12 monthly means |
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C records, corresponding to Jan. (rec=1) through Dec. (rec=12) |
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CALL cal_GetMonthsRec( |
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O fac, first, changed, |
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O count0, count1, |
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I myTime, myIter, myThid ) |
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#endif /* ALLOW_CAL */ |
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ELSEIF ( uVecPeriod .LT. 0. ) THEN |
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j = ILNBLNK(uVecFile) |
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WRITE(msgBuf,'(4A,1PE16.8,2A)') 'EXF_SET_UV: ', |
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& '"', uVecName, '", Invalid uVecPeriod=', uVecPeriod, |
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& ' for file: ', uVecFile(1:j) |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R EXF_SET_UV' |
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ELSE |
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C- get record numbers and interpolation factor |
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CALL EXF_GetFFieldRec( |
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I uVecStartTime, uVecPeriod, uVecRepeatCycle, |
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I uVecName, useExfYearlyFields, |
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O fac, first, changed, |
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O count0, count1, year0, year1, |
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I myTime, myIter, myThid ) |
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ENDIF |
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IF ( exf_debugLev.GE.debLevD ) THEN |
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_BEGIN_MASTER( myThid ) |
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WRITE(msgBuf,'(2A,I10,2I7)') 'EXF_SET_UV: ', |
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& ' myIter, count0, count1:', myIter, count0, count1 |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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WRITE(msgBuf,'(2A,2(L2,2X),E16.9)') 'EXF_SET_UV: ', |
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& ' first, changed, fac: ', first, changed, fac |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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_END_MASTER( myThid ) |
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ENDIF |
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|
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IF ( first ) THEN |
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C-- Load and interpolate a new reccord (= 1rst one of this run) |
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|
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CALL exf_GetYearlyFieldName( |
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I useExfYearlyFields, twoDigitYear, uVecPeriod, year0, |
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I uVecFile, |
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O uVecFile0, |
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I myTime, myIter, myThid ) |
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CALL exf_GetYearlyFieldName( |
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I useExfYearlyFields, twoDigitYear, vVecPeriod, year0, |
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I vVecFile, |
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O vVecFile0, |
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I myTime, myIter, myThid ) |
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IF ( exf_debugLev.GE.debLevC ) THEN |
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_BEGIN_MASTER(myThid) |
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WRITE(msgBuf,'(6A,I10)') 'EXF_SET_UV: ', |
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& 'fields "', uVecName, '" & "', vVecName, '", it=', myIter |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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j = ILNBLNK(uVecFile0) |
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WRITE(msgBuf,'(2A,I6,3A)') 'EXF_SET_UV: ', |
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& 'loading rec=', count0, ' from file: "', uVecFile0(1:j), '"' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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j = ILNBLNK(vVecFile0) |
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WRITE(msgBuf,'(2A,I6,3A)') 'EXF_SET_UV: ', |
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& 'loading rec=', count0, ' from file: "', vVecFile0(1:j), '"' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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_END_MASTER(myThid) |
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ENDIF |
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|
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IF ( uvInterp ) THEN |
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C- vector interpolation to (xC,yC) locations |
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CALL EXF_INTERP_UV( |
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I uVecFile0, vVecFile0, exf_iprec, count0, |
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I uVec_nlon, uVec_nlat, |
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I uVec_lon0, uVec_lon_inc, uVec_lat0, uVec_lat_inc, |
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#ifdef EXF_INTERP_USE_DYNALLOC |
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O tmp_u, tmp_v, |
| 228 |
#else |
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O tmp_u, tmp_v, bufArr1, bufArr2, |
| 230 |
#endif |
| 231 |
I xC, yC, |
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I u_interp_method, v_interp_method, myIter, myThid ) |
| 233 |
ELSE |
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C- scalar interpolation to (xC,yC) locations |
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CALL EXF_INTERP( |
| 236 |
I uVecFile0, exf_iprec, |
| 237 |
#ifdef EXF_INTERP_USE_DYNALLOC |
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O tmp_u, |
| 239 |
#else |
| 240 |
O tmp_u, bufArr1, |
| 241 |
#endif |
| 242 |
I count0, xC, yC, |
| 243 |
I uVec_lon0, uVec_lon_inc, uVec_lat0, uVec_lat_inc, |
| 244 |
I uVec_nlon, uVec_nlat, u_interp_method, |
| 245 |
I myIter, myThid ) |
| 246 |
CALL EXF_INTERP( |
| 247 |
I vVecFile0, exf_iprec, |
| 248 |
#ifdef EXF_INTERP_USE_DYNALLOC |
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O tmp_v, |
| 250 |
#else |
| 251 |
O tmp_v, bufArr2, |
| 252 |
#endif |
| 253 |
I count0, xC, yC, |
| 254 |
I vVec_lon0, vVec_lon_inc, vVec_lat0, vVec_lat_inc, |
| 255 |
I vVec_nlon, vVec_nlat, v_interp_method, |
| 256 |
I myIter, myThid ) |
| 257 |
ENDIF |
| 258 |
|
| 259 |
C- apply mask: Note: done after applying scaling factor and rotation |
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c CALL EXF_FILTER_RL( tmp_u, uVecMask, myThid ) |
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c CALL EXF_FILTER_RL( tmp_v, vVecMask, myThid ) |
| 262 |
|
| 263 |
IF ( exf_output_interp ) THEN |
| 264 |
j = ILNBLNK(uVecFile0) |
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WRITE(out_uVecFile,'(2A)') uVecFile0(1:j), '_out' |
| 266 |
IF ( count0.NE.1 ) |
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& CALL WRITE_REC_XY_RL(out_uVecFile,tmp_u,1,myIter,myThid) |
| 268 |
CALL WRITE_REC_XY_RL(out_uVecFile,tmp_u,count0,myIter,myThid) |
| 269 |
j = ILNBLNK(vVecFile0) |
| 270 |
WRITE(out_vVecFile,'(2A)') vVecFile0(1:j), '_out' |
| 271 |
IF ( count0.NE.1 ) |
| 272 |
& CALL WRITE_REC_XY_RL(out_vVecFile,tmp_v,1,myIter,myThid) |
| 273 |
CALL WRITE_REC_XY_RL(out_vVecFile,tmp_v,count0,myIter,myThid) |
| 274 |
ENDIF |
| 275 |
|
| 276 |
C- scaling factor and vector rotation |
| 277 |
IF ( usingCurvilinearGrid .OR. rotateGrid ) THEN |
| 278 |
DO bj = myByLo(myThid),myByHi(myThid) |
| 279 |
DO bi = myBxLo(myThid),myBxHi(myThid) |
| 280 |
DO j = 1,sNy |
| 281 |
DO i = 1,sNx |
| 282 |
tmp_u(i,j,bi,bj) = uVec_inScale*tmp_u(i,j,bi,bj) |
| 283 |
tmp_v(i,j,bi,bj) = vVec_inScale*tmp_v(i,j,bi,bj) |
| 284 |
ENDDO |
| 285 |
ENDDO |
| 286 |
DO j = 1,sNy |
| 287 |
DO i = 1,sNx |
| 288 |
#ifdef EXF_USE_OLD_VEC_ROTATION |
| 289 |
x1=xG(i,j,bi,bj) |
| 290 |
x2=xG(i+1,j,bi,bj) |
| 291 |
x3=xG(i,j+1,bi,bj) |
| 292 |
x4=xG(i+1,j+1,bi,bj) |
| 293 |
IF ((x2-x1).GT.180) x2=x2-360 |
| 294 |
IF ((x1-x2).GT.180) x2=x2+360 |
| 295 |
IF ((x3-x1).GT.180) x3=x3-360 |
| 296 |
IF ((x1-x3).GT.180) x3=x3+360 |
| 297 |
IF ((x4-x1).GT.180) x4=x4-360 |
| 298 |
IF ((x1-x4).GT.180) x4=x4+360 |
| 299 |
y1=yG(i,j,bi,bj) |
| 300 |
y2=yG(i+1,j,bi,bj) |
| 301 |
y3=yG(i,j+1,bi,bj) |
| 302 |
y4=yG(i+1,j+1,bi,bj) |
| 303 |
dx=0.5*(x3+x4-x1-x2) |
| 304 |
dx=dx* |
| 305 |
& cos(deg2rad*yC(i,j,bi,bj)) |
| 306 |
dy=0.5*(y3+y4-y1-y2) |
| 307 |
vVec1(i,j,bi,bj)= |
| 308 |
& (tmp_u(i,j,bi,bj)*dx+ |
| 309 |
& tmp_v(i,j,bi,bj)*dy)/ |
| 310 |
& SQRT(dx*dx+dy*dy) |
| 311 |
dx=0.5*(x2+x4-x1-x3) |
| 312 |
dx=dx* |
| 313 |
& cos(deg2rad*yC(i,j,bi,bj)) |
| 314 |
dy=0.5*(y2+y4-y1-y3) |
| 315 |
uVec1(i,j,bi,bj)= |
| 316 |
& (tmp_u(i,j,bi,bj)*dx+ |
| 317 |
& tmp_v(i,j,bi,bj)*dy)/ |
| 318 |
& SQRT(dx*dx+dy*dy) |
| 319 |
#else /* EXF_USE_OLD_VEC_ROTATION */ |
| 320 |
uVec1(i,j,bi,bj) = |
| 321 |
& angleCosC(i,j,bi,bj)*tmp_u(i,j,bi,bj) |
| 322 |
& +angleSinC(i,j,bi,bj)*tmp_v(i,j,bi,bj) |
| 323 |
vVec1(i,j,bi,bj) = |
| 324 |
& -angleSinC(i,j,bi,bj)*tmp_u(i,j,bi,bj) |
| 325 |
& +angleCosC(i,j,bi,bj)*tmp_v(i,j,bi,bj) |
| 326 |
#endif /* EXF_USE_OLD_VEC_ROTATION */ |
| 327 |
ENDDO |
| 328 |
ENDDO |
| 329 |
ENDDO |
| 330 |
ENDDO |
| 331 |
ELSE |
| 332 |
DO bj = myByLo(myThid),myByHi(myThid) |
| 333 |
DO bi = myBxLo(myThid),myBxHi(myThid) |
| 334 |
DO j = 1,sNy |
| 335 |
DO i = 1,sNx |
| 336 |
uVec1(i,j,bi,bj) = uVec_inScale*tmp_u(i,j,bi,bj) |
| 337 |
vVec1(i,j,bi,bj) = vVec_inScale*tmp_v(i,j,bi,bj) |
| 338 |
ENDDO |
| 339 |
ENDDO |
| 340 |
ENDDO |
| 341 |
ENDDO |
| 342 |
ENDIF |
| 343 |
C- apply mask (after scaling factor and rotation) |
| 344 |
CALL EXF_FILTER_RL( uVec1, uVecMask, myThid ) |
| 345 |
CALL EXF_FILTER_RL( vVec1, vVecMask, myThid ) |
| 346 |
|
| 347 |
C- end if ( first ) block |
| 348 |
ENDIF |
| 349 |
|
| 350 |
IF ( first .OR. changed ) THEN |
| 351 |
C-- Load and interpolate a new reccord |
| 352 |
|
| 353 |
CALL exf_SwapFFields( uVec0, uVec1, myThid ) |
| 354 |
CALL exf_SwapFFields( vVec0, vVec1, myThid ) |
| 355 |
|
| 356 |
CALL exf_GetYearlyFieldName( |
| 357 |
I useExfYearlyFields, twoDigitYear, uVecPeriod, year1, |
| 358 |
I uVecFile, |
| 359 |
O uVecFile1, |
| 360 |
I myTime, myIter, myThid ) |
| 361 |
CALL exf_GetYearlyFieldName( |
| 362 |
I useExfYearlyFields, twoDigitYear, vVecPeriod, year1, |
| 363 |
I vVecFile, |
| 364 |
O vVecFile1, |
| 365 |
I myTime, myIter, myThid ) |
| 366 |
IF ( exf_debugLev.GE.debLevC ) THEN |
| 367 |
_BEGIN_MASTER(myThid) |
| 368 |
WRITE(msgBuf,'(6A,I10)') 'EXF_SET_UV: ', |
| 369 |
& 'fields "', uVecName, '" & "', vVecName, '", it=', myIter |
| 370 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 371 |
& SQUEEZE_RIGHT, myThid ) |
| 372 |
j = ILNBLNK(uVecFile1) |
| 373 |
WRITE(msgBuf,'(2A,I6,3A)') 'EXF_SET_UV: ', |
| 374 |
& 'loading rec=', count1, ' from file: "', uVecFile1(1:j), '"' |
| 375 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 376 |
& SQUEEZE_RIGHT, myThid ) |
| 377 |
j = ILNBLNK(vVecFile1) |
| 378 |
WRITE(msgBuf,'(2A,I6,3A)') 'EXF_SET_UV: ', |
| 379 |
& 'loading rec=', count1, ' from file: "', vVecFile1(1:j), '"' |
| 380 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 381 |
& SQUEEZE_RIGHT, myThid ) |
| 382 |
_END_MASTER(myThid) |
| 383 |
ENDIF |
| 384 |
|
| 385 |
IF ( uvInterp ) THEN |
| 386 |
C- vector interpolation to (xC,yC) locations |
| 387 |
CALL EXF_INTERP_UV( |
| 388 |
I uVecFile1, vVecFile1, exf_iprec, count1, |
| 389 |
I uVec_nlon, uVec_nlat, |
| 390 |
I uVec_lon0, uVec_lon_inc, uVec_lat0, uVec_lat_inc, |
| 391 |
#ifdef EXF_INTERP_USE_DYNALLOC |
| 392 |
O tmp_u, tmp_v, |
| 393 |
#else |
| 394 |
O tmp_u, tmp_v, bufArr1, bufArr2, |
| 395 |
#endif |
| 396 |
I xC, yC, |
| 397 |
I u_interp_method, v_interp_method, myIter, myThid ) |
| 398 |
ELSE |
| 399 |
C- scalar interpolation to (xC,yC) locations |
| 400 |
CALL EXF_INTERP( |
| 401 |
I uVecFile1, exf_iprec, |
| 402 |
#ifdef EXF_INTERP_USE_DYNALLOC |
| 403 |
O tmp_u, |
| 404 |
#else |
| 405 |
O tmp_u, bufArr1, |
| 406 |
#endif |
| 407 |
I count1, xC, yC, |
| 408 |
I uVec_lon0, uVec_lon_inc, uVec_lat0, uVec_lat_inc, |
| 409 |
I uVec_nlon, uVec_nlat, u_interp_method, |
| 410 |
I myIter, myThid ) |
| 411 |
CALL EXF_INTERP( |
| 412 |
I vVecFile1, exf_iprec, |
| 413 |
#ifdef EXF_INTERP_USE_DYNALLOC |
| 414 |
O tmp_v, |
| 415 |
#else |
| 416 |
O tmp_v, bufArr2, |
| 417 |
#endif |
| 418 |
I count1, xC, yC, |
| 419 |
I vVec_lon0, vVec_lon_inc, vVec_lat0, vVec_lat_inc, |
| 420 |
I vVec_nlon, vVec_nlat, v_interp_method, |
| 421 |
I myIter, myThid ) |
| 422 |
ENDIF |
| 423 |
|
| 424 |
C- apply mask: Note: done after applying scaling factor and rotation |
| 425 |
c CALL EXF_FILTER_RL( tmp_u, uVecMask, myThid ) |
| 426 |
c CALL EXF_FILTER_RL( tmp_v, vVecMask, myThid ) |
| 427 |
|
| 428 |
IF ( exf_output_interp ) THEN |
| 429 |
j = ILNBLNK(uVecFile1) |
| 430 |
WRITE(out_uVecFile,'(2A)') uVecFile1(1:j), '_out' |
| 431 |
CALL WRITE_REC_XY_RL(out_uVecFile,tmp_u,count1,myIter,myThid) |
| 432 |
j = ILNBLNK(vVecFile1) |
| 433 |
WRITE(out_vVecFile,'(2A)') vVecFile1(1:j), '_out' |
| 434 |
CALL WRITE_REC_XY_RL(out_vVecFile,tmp_v,count1,myIter,myThid) |
| 435 |
ENDIF |
| 436 |
|
| 437 |
C- scaling factor and vector rotation |
| 438 |
IF ( usingCurvilinearGrid .OR. rotateGrid ) THEN |
| 439 |
DO bj = myByLo(myThid),myByHi(myThid) |
| 440 |
DO bi = myBxLo(myThid),myBxHi(myThid) |
| 441 |
DO j = 1,sNy |
| 442 |
DO i = 1,sNx |
| 443 |
tmp_u(i,j,bi,bj) = uVec_inScale*tmp_u(i,j,bi,bj) |
| 444 |
tmp_v(i,j,bi,bj) = vVec_inScale*tmp_v(i,j,bi,bj) |
| 445 |
ENDDO |
| 446 |
ENDDO |
| 447 |
DO j = 1,sNy |
| 448 |
DO i = 1,sNx |
| 449 |
#ifdef EXF_USE_OLD_VEC_ROTATION |
| 450 |
x1=xG(i,j,bi,bj) |
| 451 |
x2=xG(i+1,j,bi,bj) |
| 452 |
x3=xG(i,j+1,bi,bj) |
| 453 |
x4=xG(i+1,j+1,bi,bj) |
| 454 |
IF ((x2-x1).GT.180) x2=x2-360 |
| 455 |
IF ((x1-x2).GT.180) x2=x2+360 |
| 456 |
IF ((x3-x1).GT.180) x3=x3-360 |
| 457 |
IF ((x1-x3).GT.180) x3=x3+360 |
| 458 |
IF ((x4-x1).GT.180) x4=x4-360 |
| 459 |
IF ((x1-x4).GT.180) x4=x4+360 |
| 460 |
y1=yG(i,j,bi,bj) |
| 461 |
y2=yG(i+1,j,bi,bj) |
| 462 |
y3=yG(i,j+1,bi,bj) |
| 463 |
y4=yG(i+1,j+1,bi,bj) |
| 464 |
dx=0.5*(x3+x4-x1-x2) |
| 465 |
dx=dx* |
| 466 |
& cos(deg2rad*yC(i,j,bi,bj)) |
| 467 |
dy=0.5*(y3+y4-y1-y2) |
| 468 |
vVec1(i,j,bi,bj)= |
| 469 |
& (tmp_u(i,j,bi,bj)*dx+ |
| 470 |
& tmp_v(i,j,bi,bj)*dy)/ |
| 471 |
& SQRT(dx*dx+dy*dy) |
| 472 |
dx=0.5*(x2+x4-x1-x3) |
| 473 |
dx=dx* |
| 474 |
& cos(deg2rad*yC(i,j,bi,bj)) |
| 475 |
dy=0.5*(y2+y4-y1-y3) |
| 476 |
uVec1(i,j,bi,bj)= |
| 477 |
& (tmp_u(i,j,bi,bj)*dx+ |
| 478 |
& tmp_v(i,j,bi,bj)*dy)/ |
| 479 |
& SQRT(dx*dx+dy*dy) |
| 480 |
#else /* EXF_USE_OLD_VEC_ROTATION */ |
| 481 |
uVec1(i,j,bi,bj) = |
| 482 |
& angleCosC(i,j,bi,bj)*tmp_u(i,j,bi,bj) |
| 483 |
& +angleSinC(i,j,bi,bj)*tmp_v(i,j,bi,bj) |
| 484 |
vVec1(i,j,bi,bj) = |
| 485 |
& -angleSinC(i,j,bi,bj)*tmp_u(i,j,bi,bj) |
| 486 |
& +angleCosC(i,j,bi,bj)*tmp_v(i,j,bi,bj) |
| 487 |
#endif /* EXF_USE_OLD_VEC_ROTATION */ |
| 488 |
ENDDO |
| 489 |
ENDDO |
| 490 |
ENDDO |
| 491 |
ENDDO |
| 492 |
ELSE |
| 493 |
DO bj = myByLo(myThid),myByHi(myThid) |
| 494 |
DO bi = myBxLo(myThid),myBxHi(myThid) |
| 495 |
DO j = 1,sNy |
| 496 |
DO i = 1,sNx |
| 497 |
uVec1(i,j,bi,bj) = uVec_inScale*tmp_u(i,j,bi,bj) |
| 498 |
vVec1(i,j,bi,bj) = vVec_inScale*tmp_v(i,j,bi,bj) |
| 499 |
ENDDO |
| 500 |
ENDDO |
| 501 |
ENDDO |
| 502 |
ENDDO |
| 503 |
ENDIF |
| 504 |
C- apply mask (after scaling factor and rotation) |
| 505 |
CALL EXF_FILTER_RL( uVec1, uVecMask, myThid ) |
| 506 |
CALL EXF_FILTER_RL( vVec1, vVecMask, myThid ) |
| 507 |
|
| 508 |
C- end if ( first or changed ) block |
| 509 |
ENDIF |
| 510 |
|
| 511 |
C-- Interpolate linearly onto the current time. |
| 512 |
DO bj = myByLo(myThid),myByHi(myThid) |
| 513 |
DO bi = myBxLo(myThid),myBxHi(myThid) |
| 514 |
DO j = 1,sNy |
| 515 |
DO i = 1,sNx |
| 516 |
uVec(i,j,bi,bj) = fac * uVec0(i,j,bi,bj) |
| 517 |
& + (exf_one - fac)* uVec1(i,j,bi,bj) |
| 518 |
vVec(i,j,bi,bj) = fac * vVec0(i,j,bi,bj) |
| 519 |
& + (exf_one - fac)* vVec1(i,j,bi,bj) |
| 520 |
ENDDO |
| 521 |
ENDDO |
| 522 |
ENDDO |
| 523 |
ENDDO |
| 524 |
|
| 525 |
ELSE |
| 526 |
C case no-interpolation |
| 527 |
C or ( .NOT.usingCurvilinearGrid & .NOT.rotateGrid & .NOT.uvInterp ) |
| 528 |
#else /* USE_EXF_INTERPOLATION */ |
| 529 |
IF ( .TRUE. ) THEN |
| 530 |
#endif /* USE_EXF_INTERPOLATION */ |
| 531 |
|
| 532 |
CALL EXF_SET_FLD( |
| 533 |
I uVecName, uVecFile, uVecMask, |
| 534 |
I uVecStartTime, uVecPeriod, uVecRepeatCycle, |
| 535 |
I uVec_inScale, uVec_remove_intercept, uVec_remove_slope, |
| 536 |
U uVec, uVec0, uVec1, |
| 537 |
#ifdef USE_EXF_INTERPOLATION |
| 538 |
I uVec_lon0, uVec_lon_inc, uVec_lat0, uVec_lat_inc, |
| 539 |
I uVec_nlon, uVec_nlat, xC, yC, u_interp_method, |
| 540 |
#endif /* USE_EXF_INTERPOLATION */ |
| 541 |
I myTime, myIter, myThid ) |
| 542 |
|
| 543 |
CALL EXF_SET_FLD( |
| 544 |
I vVecName, vVecFile, vVecMask, |
| 545 |
I vVecStartTime, vVecPeriod, vVecRepeatCycle, |
| 546 |
I vVec_inScale, vVec_remove_intercept, vVec_remove_slope, |
| 547 |
U vVec, vVec0, vVec1, |
| 548 |
#ifdef USE_EXF_INTERPOLATION |
| 549 |
I vVec_lon0, vVec_lon_inc, vVec_lat0, vVec_lat_inc, |
| 550 |
I vVec_nlon, vVec_nlat, xC, yC, v_interp_method, |
| 551 |
#endif /* USE_EXF_INTERPOLATION */ |
| 552 |
I myTime, myIter, myThid ) |
| 553 |
|
| 554 |
C- vector rotation |
| 555 |
IF ( rotateStressOnAgrid ) THEN |
| 556 |
DO bj = myByLo(myThid),myByHi(myThid) |
| 557 |
DO bi = myBxLo(myThid),myBxHi(myThid) |
| 558 |
DO j = 1,sNy |
| 559 |
DO i = 1,sNx |
| 560 |
tmp_u(i,j,bi,bj) = uVec(i,j,bi,bj) |
| 561 |
tmp_v(i,j,bi,bj) = vVec(i,j,bi,bj) |
| 562 |
ENDDO |
| 563 |
ENDDO |
| 564 |
ENDDO |
| 565 |
ENDDO |
| 566 |
DO bj = myByLo(myThid),myByHi(myThid) |
| 567 |
DO bi = myBxLo(myThid),myBxHi(myThid) |
| 568 |
DO j = 1,sNy |
| 569 |
DO i = 1,sNx |
| 570 |
uVec(i,j,bi,bj) = |
| 571 |
& angleCosC(i,j,bi,bj)*tmp_u(i,j,bi,bj) |
| 572 |
& +angleSinC(i,j,bi,bj)*tmp_v(i,j,bi,bj) |
| 573 |
vVec(i,j,bi,bj) = |
| 574 |
& -angleSinC(i,j,bi,bj)*tmp_u(i,j,bi,bj) |
| 575 |
& +angleCosC(i,j,bi,bj)*tmp_v(i,j,bi,bj) |
| 576 |
ENDDO |
| 577 |
ENDDO |
| 578 |
ENDDO |
| 579 |
ENDDO |
| 580 |
ENDIF |
| 581 |
|
| 582 |
ENDIF |
| 583 |
|
| 584 |
RETURN |
| 585 |
END |
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