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C $Header: /u/u3/gcmpack/MITgcm/pkg/ctrl/ctrl_get_gen.F,v 1.3 2003/07/18 21:10:16 heimbach Exp $ |
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C $Name: $ |
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heimbach |
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#include "CTRL_CPPOPTIONS.h" |
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subroutine ctrl_get_gen( |
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I xx_gen_file, xx_genstartdate, xx_genperiod, |
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I genmask, genfld, xx_gen0, xx_gen1, xx_gen_dummy, |
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I mytime, myiter, mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE ctrl_get_gen |
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c ================================================================== |
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c |
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c o new generic routine for reading time dependent control variables |
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c heimbach@mit.edu 12-Jun-2003 |
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c |
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c ================================================================== |
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c SUBROUTINE ctrl_get_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 "PARAMS.h" |
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#include "GRID.h" |
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#include "ctrl.h" |
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#include "ctrl_dummy.h" |
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#include "optim.h" |
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edhill |
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#ifdef ALLOW_EXF |
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# include "exf_fields.h" |
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#endif |
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c == routine arguments == |
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character*(MAX_LEN_FNAM) xx_gen_file |
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integer xx_genstartdate(4) |
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_RL xx_genperiod |
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_RL genmask(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
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_RL genfld(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL xx_gen0(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL xx_gen1(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL xx_gen_dummy |
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_RL mytime |
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integer myiter |
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integer mythid |
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c == local variables == |
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#ifdef ALLOW_EXF |
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integer bi,bj |
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integer i,j,k |
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integer itlo,ithi |
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integer jtlo,jthi |
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integer jmin,jmax |
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integer imin,imax |
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integer ilgen |
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_RL genfac |
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logical genfirst |
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logical genchanged |
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integer gencount0 |
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integer gencount1 |
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logical doglobalread |
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logical ladinit |
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character*(80) fnamegen |
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c == external functions == |
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integer ilnblnk |
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external ilnblnk |
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c == end of interface == |
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jtlo = mybylo(mythid) |
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jthi = mybyhi(mythid) |
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itlo = mybxlo(mythid) |
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ithi = mybxhi(mythid) |
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jmin = 1-oly |
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jmax = sny+oly |
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imin = 1-olx |
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imax = snx+olx |
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c-- Now, read the control vector. |
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doglobalread = .false. |
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ladinit = .false. |
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if (optimcycle .ge. 0) then |
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ilgen=ilnblnk( xx_gen_file ) |
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write(fnamegen(1:80),'(2a,i10.10)') |
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& xx_gen_file(1:ilgen), '.', optimcycle |
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endif |
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c-- Get the counters, flags, and the interpolation factor. |
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call ctrl_get_gen_rec( |
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I xx_genstartdate, xx_genperiod, |
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O genfac, genfirst, genchanged, |
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O gencount0,gencount1, |
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I mytime, myiter, mythid ) |
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if ( genfirst ) then |
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call active_read_xy_loc( fnamegen, xx_gen1, gencount0, |
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& doglobalread, ladinit, optimcycle, |
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& mythid, xx_gen_dummy ) |
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#ifdef ALLOW_CTRL_SMOOTH |
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call ctrl_smooth(xx_gen1,genmask) |
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#endif |
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endif |
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if (( genfirst ) .or. ( genchanged )) then |
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call exf_SwapFFields( xx_gen0, xx_gen1, mythid ) |
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call active_read_xy_loc( fnamegen, xx_gen1 , gencount1, |
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& doglobalread, ladinit, optimcycle, |
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& mythid, xx_gen_dummy ) |
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#ifdef ALLOW_CTRL_SMOOTH |
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call ctrl_smooth(xx_gen1,genmask) |
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#endif |
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endif |
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c-- Add control to model variable. |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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c-- Calculate mask for tracer cells (0 => land, 1 => water). |
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k = 1 |
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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) = genfld (i,j,bi,bj) |
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& + genfac *xx_gen0(i,j,bi,bj) |
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& + (1. _d 0 - genfac)*xx_gen1(i,j,bi,bj) |
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genfld(i,j,bi,bj) = genfld(i,j,bi,bj)*genmask(i,j,k,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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edhill |
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#endif /* ALLOW_EXF */ |
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heimbach |
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end |
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