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heimbach |
1.2 |
#include "EXF_CPPOPTIONS.h" |
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subroutine exf_set_gen( |
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& genfile, genstartdate, genperiod, exf_inscal_gen, |
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dimitri |
1.3 |
& genfld, gen0, gen1, genmask, |
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#ifdef USE_EXF_INTERPOLATION |
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& gen_lon0, gen_lon_inc, gen_lat0, gen_lat_inc, |
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dimitri |
1.4 |
& gen_nlon, gen_nlat, gen_xout, gen_yout, |
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dimitri |
1.3 |
#endif |
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heimbach |
1.2 |
& mycurrenttime, mycurrentiter, mythid ) |
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c ================================================================== |
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c SUBROUTINE exf_set_gen |
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c ================================================================== |
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c |
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c o set external forcing gen |
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c |
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c started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
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c changed: heimbach@mit.edu 10-Jan-2002 |
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dimitri |
1.4 |
c 20-Dec-2002: mods for pkg/seaice, menemenlis@jpl.nasa.gov |
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heimbach |
1.2 |
c heimbach@mit.edu: totally re-organized exf_set_... |
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c replaced all routines by one generic routine |
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dimitri |
1.4 |
c 5-Aug-2003: added USE_EXF_INTERPOLATION for arbitrary |
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c input grid capability |
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heimbach |
1.2 |
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c ================================================================== |
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c SUBROUTINE exf_set_gen |
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c ================================================================== |
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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 "GRID.h" |
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#include "exf_param.h" |
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#include "exf_constants.h" |
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c == routine arguments == |
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integer genstartdate(4) |
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_RL genperiod |
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_RL exf_inscal_gen |
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_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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character*1 genmask |
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character*(128) genfile |
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_RL mycurrenttime |
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integer mycurrentiter |
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integer mythid |
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dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
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dimitri |
1.4 |
c gen_lon_0 ,gen_lat_0 :: longitude and latitude of SouthWest |
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c corner of global input grid |
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c gen_nlon, gen_nlat :: input x-grid and y-grid size |
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c gen_lon_inc :: scalar x-grid increment |
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c gen_lat_inc :: vector y-grid increments |
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c gen_xout, gen_yout :: coordinates for output grid |
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dimitri |
1.3 |
_RL gen_lon0, gen_lon_inc |
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_RL gen_lat0, gen_lat_inc(MAX_LAT_INC) |
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INTEGER gen_nlon, gen_nlat |
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dimitri |
1.4 |
_RS gen_xout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS gen_yout (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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dimitri |
1.3 |
#endif |
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heimbach |
1.2 |
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c == local variables == |
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logical first, changed |
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integer count0, count1 |
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_RL fac |
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integer bi, bj |
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dimitri |
1.5 |
integer i, j, interp_method |
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heimbach |
1.2 |
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c == end of interface == |
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if ( genfile .NE. ' ' ) then |
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c get record numbers and interpolation factor for gen |
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call exf_GetFFieldRec( |
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I genstartdate, genperiod |
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O , fac, first, changed |
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O , count0, count1 |
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I , mycurrenttime, mycurrentiter, mythid |
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& ) |
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if ( first ) then |
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dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
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dimitri |
1.5 |
interp_method = 2 |
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dimitri |
1.4 |
call exf_interp( genfile, exf_iprec |
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& , gen1, count0, gen_xout, gen_yout |
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dimitri |
1.3 |
& , gen_lon0,gen_lon_inc |
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& , gen_lat0,gen_lat_inc |
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dimitri |
1.5 |
& , gen_nlon,gen_nlat,interp_method,mythid |
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dimitri |
1.3 |
& ) |
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#else |
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heimbach |
1.2 |
call mdsreadfield( genfile, exf_iprec, exf_yftype, 1 |
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& , gen1, count0, mythid |
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& ) |
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dimitri |
1.3 |
#endif |
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heimbach |
1.2 |
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if (exf_yftype .eq. 'RL') then |
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call exf_filter_rl( gen1, genmask, mythid ) |
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else |
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call exf_filter_rs( gen1, genmask, mythid ) |
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end if |
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endif |
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if (( first ) .or. ( changed )) then |
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call exf_SwapFFields( gen0, gen1, mythid ) |
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dimitri |
1.3 |
#ifdef USE_EXF_INTERPOLATION |
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dimitri |
1.4 |
call exf_interp( genfile, exf_iprec |
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& , gen1, count1, gen_xout, gen_yout |
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dimitri |
1.3 |
& , gen_lon0,gen_lon_inc |
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& , gen_lat0,gen_lat_inc |
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dimitri |
1.5 |
& , gen_nlon,gen_nlat,interp_method,mythid |
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dimitri |
1.3 |
& ) |
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#else |
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heimbach |
1.2 |
call mdsreadfield( genfile, exf_iprec, exf_yftype, 1 |
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& , gen1, count1, mythid |
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& ) |
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dimitri |
1.3 |
#endif |
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heimbach |
1.2 |
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if (exf_yftype .eq. 'RL') then |
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call exf_filter_rl( gen1, genmask, mythid ) |
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else |
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call exf_filter_rs( gen1, genmask, mythid ) |
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end if |
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endif |
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c Loop over tiles. |
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do bj = mybylo(mythid),mybyhi(mythid) |
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do bi = mybxlo(mythid),mybxhi(mythid) |
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do j = 1,sny |
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do i = 1,snx |
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c Interpolate linearly onto the current time. |
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genfld(i,j,bi,bj) = exf_inscal_gen * ( |
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& fac * gen0(i,j,bi,bj) + |
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& (exf_one - fac) * gen1(i,j,bi,bj) ) |
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enddo |
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enddo |
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enddo |
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enddo |
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endif |
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end |
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subroutine exf_init_gen ( |
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& genconst, genfld, gen0, gen1, mythid ) |
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c ================================================================== |
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c SUBROUTINE exf_init_gen |
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c ================================================================== |
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c |
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c o |
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c |
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c started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
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c changed: heimbach@mit.edu 10-Jan-2002 |
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c heimbach@mit.edu: totally re-organized exf_set_... |
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c replaced all routines by one generic routine |
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c |
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c ================================================================== |
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c SUBROUTINE exf_init_gen |
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c ================================================================== |
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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 "exf_param.h" |
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c == routine arguments == |
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_RL genconst |
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_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL gen0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL gen1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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integer mythid |
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c == local variables == |
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integer bi, bj |
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integer i, j |
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c == end of interface == |
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do bj = mybylo(mythid), mybyhi(mythid) |
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do bi = mybxlo(mythid), mybxhi(mythid) |
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do j = 1, sny |
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do i = 1, snx |
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genfld(i,j,bi,bj) = genconst |
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gen0(i,j,bi,bj) = 0. _d 0 |
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gen1(i,j,bi,bj) = 0. _d 0 |
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enddo |
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enddo |
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enddo |
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enddo |
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end |
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