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C $Header: /u/gcmpack/MITgcm/model/src/ini_curvilinear_grid.F,v 1.14 2004/06/25 02:49:49 dimitri Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: INI_CURVILINEAR_GRID |
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C !INTERFACE: |
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SUBROUTINE INI_CURVILINEAR_GRID( myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE INI_CURVILINEAR_GRID |
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C | o Initialise curvilinear coordinate system |
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C *==========================================================* |
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C | Curvilinear grid settings are read from a file rather |
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C | than coded in-line as for cartesian and spherical polar. |
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C | This is more general but you have to create the grid |
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C | yourself. |
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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 "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#ifdef ALLOW_EXCH2 |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#include "W2_EXCH2_PARAMS.h" |
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#endif |
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|
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#ifndef ALLOW_EXCH2 |
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C- note: default is to use "new" grid files (OLD_GRID_IO undef) with EXCH2 |
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C but can still use (on 1 cpu) OLD_GRID_IO and EXCH2 independently |
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#define OLD_GRID_IO |
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#endif /* ALLOW_EXCH2 */ |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C myThid - Number of this instance of INI_CARTESIAN_GRID |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER bi,bj, myTile, myiter |
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INTEGER I,J |
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CHARACTER*(15) fName |
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_RL buf(sNx+1,sNy+1) |
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INTEGER iG, iL |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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CEOP |
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|
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C-- Set everything to zero everywhere |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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|
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DO J=1-Oly,sNy+Oly |
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DO I=1-Olx,sNx+Olx |
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XC(i,j,bi,bj)=0. |
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YC(i,j,bi,bj)=0. |
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XG(i,j,bi,bj)=0. |
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YG(i,j,bi,bj)=0. |
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DXC(i,j,bi,bj)=0. |
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DYC(i,j,bi,bj)=0. |
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DXG(i,j,bi,bj)=0. |
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DYG(i,j,bi,bj)=0. |
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DXF(i,j,bi,bj)=0. |
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DYF(i,j,bi,bj)=0. |
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DXV(i,j,bi,bj)=0. |
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DYU(i,j,bi,bj)=0. |
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RA(i,j,bi,bj)=0. |
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RAZ(i,j,bi,bj)=0. |
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RAW(i,j,bi,bj)=0. |
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RAS(i,j,bi,bj)=0. |
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tanPhiAtU(i,j,bi,bj)=0. |
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tanPhiAtV(i,j,bi,bj)=0. |
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cosFacU(J,bi,bj)=1. |
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cosFacV(J,bi,bj)=1. |
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sqcosFacU(J,bi,bj)=1. |
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sqcosFacV(J,bi,bj)=1. |
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ENDDO |
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ENDDO |
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|
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ENDDO |
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ENDDO |
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|
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C Here we make no assumptions about grid symmetry and simply |
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C read the raw grid data from files |
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|
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#ifdef OLD_GRID_IO |
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|
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C- Cell centered quantities |
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CALL MDSREADFIELD('LONC.bin',readBinaryPrec,'RS',1,XC, 1,myThid) |
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CALL MDSREADFIELD('LATC.bin',readBinaryPrec,'RS',1,YC, 1,myThid) |
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_EXCH_XY_R4(XC,myThid) |
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_EXCH_XY_R4(YC,myThid) |
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|
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CALL MDSREADFIELD('DXF.bin',readBinaryPrec,'RS',1,DXF, 1,myThid) |
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CALL MDSREADFIELD('DYF.bin',readBinaryPrec,'RS',1,DYF, 1,myThid) |
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C !!! _EXCH_OUV_XY_R4(DXF, DYF, unSigned, myThid ) |
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cs! this is not correct! <= need paired exchange for DXF,DYF |
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_EXCH_XY_R4(DXF,myThid) |
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_EXCH_XY_R4(DYF,myThid) |
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IF (useCubedSphereExchange) THEN |
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cs! fix overlaps: |
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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,Olx |
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DXF(1-i,j,bi,bj)=DXF(i,j,bi,bj) |
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DXF(sNx+i,j,bi,bj)=DXF(sNx+1-i,j,bi,bj) |
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DYF(1-i,j,bi,bj)=DYF(i,j,bi,bj) |
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DYF(sNx+i,j,bi,bj)=DYF(sNx+1-i,j,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1,Oly |
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DO i=1,sNx |
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DXF(i,1-j,bi,bj)=DXF(i,j,bi,bj) |
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DXF(i,sNy+j,bi,bj)=DXF(i,sNy+1-j,bi,bj) |
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DYF(i,1-j,bi,bj)=DYF(i,j,bi,bj) |
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DYF(i,sNy+j,bi,bj)=DYF(i,sNy+1-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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cs |
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|
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CALL MDSREADFIELD('RA.bin',readBinaryPrec,'RS',1,RA, 1,myThid) |
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_EXCH_XY_R4(RA,myThid ) |
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|
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C- Corner quantities |
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C *********** this are not degbugged ************ |
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CALL MDSREADFIELD('LONG.bin',readBinaryPrec,'RS',1,XG, 1,myThid) |
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CALL MDSREADFIELD('LATG.bin',readBinaryPrec,'RS',1,YG, 1,myThid) |
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IF (useCubedSphereExchange) THEN |
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cs- this block needed by cubed sphere until we write more useful I/O routines |
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bi=3 |
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bj=1 |
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YG(1,sNy+1,bj,1)=YG(1,1,bi,1) |
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bj=bj+2 |
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YG(1,sNy+1,bj,1)=YG(1,1,bi,1) |
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bj=bj+2 |
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YG(1,sNy+1,bj,1)=YG(1,1,bi,1) |
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bi=6 |
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bj=2 |
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YG(sNx+1,1,bj,1)=YG(1,1,bi,1) |
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bj=bj+2 |
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YG(sNx+1,1,bj,1)=YG(1,1,bi,1) |
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bj=bj+2 |
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YG(sNx+1,1,bj,1)=YG(1,1,bi,1) |
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cs- end block |
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ENDIF |
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CALL EXCH_Z_XY_RS(XG,myThid) |
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CALL EXCH_Z_XY_RS(YG,myThid) |
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|
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CALL MDSREADFIELD('DXV.bin',readBinaryPrec,'RS',1,DXV, 1,myThid) |
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CALL MDSREADFIELD('DYU.bin',readBinaryPrec,'RS',1,DYU, 1,myThid) |
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cs- this block needed by cubed sphere until we write more useful I/O routines |
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C !!! _EXCH_ZUV_XY_R4(DXV, DYU, unSigned, myThid) |
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cs! this is not correct <= need paired exchange for dxv,dyu |
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IF (.NOT.useCubedSphereExchange) THEN |
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CALL EXCH_Z_XY_RS(DXV,myThid) |
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CALL EXCH_Z_XY_RS(DYU,myThid) |
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ELSE |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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cs! fix overlaps: |
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DO j=1,sNy |
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DO i=1,Olx |
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DXV(1-i,j,bi,bj)=DXV(1+i,j,bi,bj) |
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DXV(sNx+i,j,bi,bj)=DXV(i,j,bi,bj) |
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DYU(1-i,j,bi,bj)=DYU(1+i,j,bi,bj) |
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DYU(sNx+i,j,bi,bj)=DYU(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1,Oly |
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DO i=1-Olx,sNx+Olx |
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DXV(i,1-j,bi,bj)=DXV(i,1+j,bi,bj) |
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DXV(i,sNy+j,bi,bj)=DXV(i,j,bi,bj) |
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DYU(i,1-j,bi,bj)=DYU(i,1+j,bi,bj) |
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DYU(i,sNy+j,bi,bj)=DYU(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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cs- end block |
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ENDIF |
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|
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CALL MDSREADFIELD('RAZ.bin',readBinaryPrec,'RS',1,RAZ, 1,myThid) |
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IF (useCubedSphereExchange) THEN |
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cs- this block needed by cubed sphere until we write more useful I/O routines |
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CALL EXCH_Z_XY_RS(RAZ , myThid ) |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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RAZ(sNx+1,1,bi,bj)=RAZ(1,1,bi,bj) |
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RAZ(1,sNy+1,bi,bj)=RAZ(1,1,bi,bj) |
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ENDDO |
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ENDDO |
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cs- end block |
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ENDIF |
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CALL EXCH_Z_XY_RS(RAZ,myThid) |
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|
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C- Staggered (u,v pairs) quantities |
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CALL MDSREADFIELD('DXC.bin',readBinaryPrec,'RS',1,DXC, 1,myThid) |
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CALL MDSREADFIELD('DYC.bin',readBinaryPrec,'RS',1,DYC, 1,myThid) |
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CALL EXCH_UV_XY_RS(DXC,DYC,.FALSE.,myThid) |
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|
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CALL MDSREADFIELD('RAW.bin',readBinaryPrec,'RS',1,RAW, 1,myThid) |
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CALL MDSREADFIELD('RAS.bin',readBinaryPrec,'RS',1,RAS, 1,myThid) |
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IF (useCubedSphereExchange) THEN |
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cs- this block needed by cubed sphere until we write more useful I/O routines |
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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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c RAW(sNx+1,J,bi,bj)=RAW(1,J,bi,bj) |
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c RAS(J,sNy+1,bi,bj)=RAS(J,1,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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cs- end block |
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ENDIF |
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CALL EXCH_UV_XY_RS(RAW,RAS,.FALSE.,myThid) |
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|
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CALL MDSREADFIELD('DXG.bin',readBinaryPrec,'RS',1,DXG, 1,myThid) |
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CALL MDSREADFIELD('DYG.bin',readBinaryPrec,'RS',1,DYG, 1,myThid) |
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IF (useCubedSphereExchange) THEN |
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cs- this block needed by cubed sphere until we write more useful I/O routines |
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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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c DYG(sNx+1,J,bi,bj)=DYG(1,J,bi,bj) |
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c DXG(J,sNy+1,bi,bj)=DXG(J,1,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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cs- end block |
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ENDIF |
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CALL EXCH_UV_XY_RS(DYG,DXG,.FALSE.,myThid) |
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|
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c write(10) XC |
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c write(10) YC |
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c write(10) DXF |
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c write(10) DYF |
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c write(10) RA |
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c write(10) XG |
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c write(10) YG |
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c write(10) DXV |
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c write(10) DYU |
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c write(10) RAZ |
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c write(10) DXC |
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c write(10) DYC |
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c write(10) RAW |
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c write(10) RAS |
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c write(10) DXG |
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c write(10) DYG |
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|
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#else /* ifndef OLD_GRID_IO */ |
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|
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C-- Only do I/O if I am the master thread |
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_BEGIN_MASTER(myThid) |
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|
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DO bj = 1,nSy |
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DO bi = 1,nSx |
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iG=bi+(myXGlobalLo-1)/sNx |
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WRITE(fName(1:15),'("tile",I3.3,".mitgrid")') iG |
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WRITE(msgBuf,'(A,I4)') 'tile:',iG |
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#ifdef ALLOW_EXCH2 |
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myTile = W2_myTileList(bi) |
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write(fName(1:15),'("tile",I3.3,".mitgrid")') |
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& exch2_myface(myTile) |
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WRITE(msgBuf,'(A,I4)') 'tile:',myTile |
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#endif |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(3A)') msgBuf(1:iL), |
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& ' ; Read from file ',fName(1:15) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , myThid) |
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WRITE(msgBuf,'(A)') ' =>' |
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|
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CALL READSYMTILE_RS(fName,1,XC,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'XC' |
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CALL READSYMTILE_RS(fName,2,YC,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'YC' |
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CALL READSYMTILE_RS(fName,3,DXF,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DXF' |
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CALL READSYMTILE_RS(fName,4,DYF,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DYF' |
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CALL READSYMTILE_RS(fName,5,RA,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'RA' |
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CALL READSYMTILE_RS(fName,6,XG,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'XG' |
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CALL READSYMTILE_RS(fName,7,YG,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'YG' |
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CALL READSYMTILE_RS(fName,8,DXV,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DXV' |
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CALL READSYMTILE_RS(fName,9,DYU,bi,bj,buf,myThid) |
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iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DYU' |
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CALL READSYMTILE_RS(fName,10,RAZ,bi,bj,buf,myThid) |
| 314 |
iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'RAZ' |
| 316 |
CALL READSYMTILE_RS(fName,11,DXC,bi,bj,buf,myThid) |
| 317 |
iL = ILNBLNK(msgBuf) |
| 318 |
WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DXC' |
| 319 |
CALL READSYMTILE_RS(fName,12,DYC,bi,bj,buf,myThid) |
| 320 |
iL = ILNBLNK(msgBuf) |
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WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DYC' |
| 322 |
CALL READSYMTILE_RS(fName,13,RAW,bi,bj,buf,myThid) |
| 323 |
iL = ILNBLNK(msgBuf) |
| 324 |
WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'RAW' |
| 325 |
CALL READSYMTILE_RS(fName,14,RAS,bi,bj,buf,myThid) |
| 326 |
iL = ILNBLNK(msgBuf) |
| 327 |
WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'RAS' |
| 328 |
CALL READSYMTILE_RS(fName,15,DXG,bi,bj,buf,myThid) |
| 329 |
iL = ILNBLNK(msgBuf) |
| 330 |
WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DXG' |
| 331 |
CALL READSYMTILE_RS(fName,16,DYG,bi,bj,buf,myThid) |
| 332 |
iL = ILNBLNK(msgBuf) |
| 333 |
WRITE(msgBuf,'(A,1X,A)') msgBuf(1:iL),'DYG' |
| 334 |
|
| 335 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 336 |
& SQUEEZE_RIGHT , myThid) |
| 337 |
|
| 338 |
ENDDO |
| 339 |
ENDDO |
| 340 |
_END_MASTER(myThid) |
| 341 |
|
| 342 |
CALL EXCH_XY_RS(XC,myThid) |
| 343 |
CALL EXCH_XY_RS(YC,myThid) |
| 344 |
C !!! _EXCH_OUV_XY_R4(DXF, DYF, unSigned, myThid ) |
| 345 |
#ifdef HRCUBE |
| 346 |
CALL EXCH_XY_RS(DXF,myThid) |
| 347 |
CALL EXCH_XY_RS(DYF,myThid) |
| 348 |
#endif |
| 349 |
CALL EXCH_XY_RS(RA,myThid ) |
| 350 |
#ifndef ALLOW_EXCH2 |
| 351 |
CALL EXCH_Z_XY_RS(XG,myThid) |
| 352 |
CALL EXCH_Z_XY_RS(YG,myThid) |
| 353 |
C !!! _EXCH_ZUV_XY_R4(DXV, DYU, unSigned, myThid) |
| 354 |
c CALL EXCH_Z_XY_RS(DXV,myThid) |
| 355 |
c CALL EXCH_Z_XY_RS(DYU,myThid) |
| 356 |
CALL EXCH_Z_XY_RS(RAZ,myThid) |
| 357 |
#endif /* ALLOW_EXCH2 */ |
| 358 |
CALL EXCH_UV_XY_RS(DXC,DYC,.FALSE.,myThid) |
| 359 |
CALL EXCH_UV_XY_RS(RAW,RAS,.FALSE.,myThid) |
| 360 |
CALL EXCH_UV_XY_RS(DYG,DXG,.FALSE.,myThid) |
| 361 |
|
| 362 |
#endif /* OLD_GRID_IO */ |
| 363 |
|
| 364 |
c CALL WRITE_FULLARRAY_RL('DXV',DXV,1,0,myThid) |
| 365 |
c CALL WRITE_FULLARRAY_RL('DYU',DYU,1,0,myThid) |
| 366 |
c CALL WRITE_FULLARRAY_RL('RAZ',RAZ,1,0,myThid) |
| 367 |
c CALL WRITE_FULLARRAY_RL('XG',XG,1,0,myThid) |
| 368 |
c CALL WRITE_FULLARRAY_RL('YG',YG,1,0,myThid) |
| 369 |
|
| 370 |
C-- Require that 0 <= longitude < 360 if using exf package |
| 371 |
#ifdef ALLOW_EXF |
| 372 |
DO bj = 1,nSy |
| 373 |
DO bi = 1,nSx |
| 374 |
DO J=1-Oly,sNy+Oly |
| 375 |
DO I=1-Olx,sNx+Olx |
| 376 |
IF (XC(i,j,bi,bj).lt.0.) XC(i,j,bi,bj)=XC(i,j,bi,bj)+360. |
| 377 |
IF (XG(i,j,bi,bj).lt.0.) XG(i,j,bi,bj)=XG(i,j,bi,bj)+360. |
| 378 |
ENDDO |
| 379 |
ENDDO |
| 380 |
ENDDO |
| 381 |
ENDDO |
| 382 |
#endif /* ALLOW_EXF */ |
| 383 |
|
| 384 |
C-- Now let's look at all these beasts |
| 385 |
IF ( debugLevel .GE. debLevB ) THEN |
| 386 |
myiter = 1 |
| 387 |
CALL PLOT_FIELD_XYRL( XC , 'Current XC ' , |
| 388 |
& myIter, myThid ) |
| 389 |
CALL PLOT_FIELD_XYRL( YC , 'Current YC ' , |
| 390 |
& myIter, myThid ) |
| 391 |
CALL PLOT_FIELD_XYRL( DXF , 'Current DXF ' , |
| 392 |
& myIter, myThid ) |
| 393 |
CALL PLOT_FIELD_XYRL( XC , 'Current XC ' , |
| 394 |
& myIter, myThid ) |
| 395 |
CALL PLOT_FIELD_XYRL( DYF , 'Current DYF ' , |
| 396 |
& myIter, myThid ) |
| 397 |
CALL PLOT_FIELD_XYRL( RA , 'Current RA ' , |
| 398 |
& myIter, myThid ) |
| 399 |
CALL PLOT_FIELD_XYRL( XG , 'Current XG ' , |
| 400 |
& myIter, myThid ) |
| 401 |
CALL PLOT_FIELD_XYRL( YG , 'Current YG ' , |
| 402 |
& myIter, myThid ) |
| 403 |
CALL PLOT_FIELD_XYRL( DXV , 'Current DXV ' , |
| 404 |
& myIter, myThid ) |
| 405 |
CALL PLOT_FIELD_XYRL( DYU , 'Current DYU ' , |
| 406 |
& myIter, myThid ) |
| 407 |
CALL PLOT_FIELD_XYRL( RAZ , 'Current RAZ ' , |
| 408 |
& myIter, myThid ) |
| 409 |
CALL PLOT_FIELD_XYRL( DXC , 'Current DXC ' , |
| 410 |
& myIter, myThid ) |
| 411 |
CALL PLOT_FIELD_XYRL( DYC , 'Current DYC ' , |
| 412 |
& myIter, myThid ) |
| 413 |
CALL PLOT_FIELD_XYRL( RAW , 'Current RAW ' , |
| 414 |
& myIter, myThid ) |
| 415 |
CALL PLOT_FIELD_XYRL( RAS , 'Current RAS ' , |
| 416 |
& myIter, myThid ) |
| 417 |
CALL PLOT_FIELD_XYRL( DXG , 'Current DXG ' , |
| 418 |
& myIter, myThid ) |
| 419 |
CALL PLOT_FIELD_XYRL( DYG , 'Current DYG ' , |
| 420 |
& myIter, myThid ) |
| 421 |
ENDIF |
| 422 |
|
| 423 |
RETURN |
| 424 |
END |
| 425 |
|
| 426 |
C -------------------------------------------------------------------------- |
| 427 |
|
| 428 |
SUBROUTINE READSYMTILE_RS(fName,irec,array,bi,bj,buf,myThid) |
| 429 |
C /==========================================================\ |
| 430 |
C | SUBROUTINE READSYMTILE_RS | |
| 431 |
C |==========================================================| |
| 432 |
C \==========================================================/ |
| 433 |
IMPLICIT NONE |
| 434 |
|
| 435 |
C === Global variables === |
| 436 |
#include "SIZE.h" |
| 437 |
#include "EEPARAMS.h" |
| 438 |
#ifdef ALLOW_EXCH2 |
| 439 |
#include "W2_EXCH2_TOPOLOGY.h" |
| 440 |
#include "W2_EXCH2_PARAMS.h" |
| 441 |
#endif /* ALLOW_EXCH2 */ |
| 442 |
|
| 443 |
C == Routine arguments == |
| 444 |
CHARACTER*(*) fName |
| 445 |
INTEGER irec |
| 446 |
_RS array(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
| 447 |
INTEGER bi,bj,myThid |
| 448 |
#ifdef ALLOW_EXCH2 |
| 449 |
_RL buf(1:sNx*nSx*nPx+1) |
| 450 |
#else |
| 451 |
_RL buf(1:sNx+1,1:sNy+1) |
| 452 |
#endif /* ALLOW_EXCH2 */ |
| 453 |
|
| 454 |
C == Local variables == |
| 455 |
INTEGER I,J,dUnit |
| 456 |
INTEGER length_of_rec |
| 457 |
INTEGER MDS_RECLEN |
| 458 |
INTEGER TN, DNX, DNY, TBX, TBY, TNX, TNY, II, iBase |
| 459 |
|
| 460 |
#ifdef ALLOW_EXCH2 |
| 461 |
C Figure out offset of tile within face |
| 462 |
TN = W2_myTileList(bi) |
| 463 |
DNX = exch2_mydnx(TN) |
| 464 |
DNY = exch2_mydny(TN) |
| 465 |
TBX = exch2_tbasex(TN) |
| 466 |
TBY = exch2_tbasey(TN) |
| 467 |
TNX = exch2_tnx(TN) |
| 468 |
TNY = exch2_tny(TN) |
| 469 |
|
| 470 |
CALL MDSFINDUNIT( dUnit, mythid ) |
| 471 |
length_of_rec=MDS_RECLEN( 64, (dNx+1), myThid ) |
| 472 |
OPEN( dUnit, file=fName, status='old', |
| 473 |
& access='direct', recl=length_of_rec ) |
| 474 |
J=0 |
| 475 |
iBase=(irec-1)*(dny+1) |
| 476 |
DO I=1+TBY,SNY+1+TBY |
| 477 |
READ(dUnit,rec=I+iBase)(buf(ii),ii=1,dnx+1) |
| 478 |
#ifdef _BYTESWAPIO |
| 479 |
#ifdef REAL4_IS_SLOW |
| 480 |
CALL MDS_BYTESWAPR8((dNx+1), buf) |
| 481 |
#else |
| 482 |
CALL MDS_BYTESWAPR4((dNx+1), buf) |
| 483 |
#endif |
| 484 |
#endif |
| 485 |
J=J+1 |
| 486 |
DO II=1,sNx+1 |
| 487 |
array(II,J,bi,bj)=buf(II+TBX) |
| 488 |
ENDDO |
| 489 |
ENDDO |
| 490 |
CLOSE( dUnit ) |
| 491 |
|
| 492 |
#else /* ALLOW_EXCH2 */ |
| 493 |
|
| 494 |
CALL MDSFINDUNIT( dUnit, mythid ) |
| 495 |
length_of_rec=MDS_RECLEN( 64, (sNx+1)*(sNy+1), myThid ) |
| 496 |
OPEN( dUnit, file=fName, status='old', |
| 497 |
& access='direct', recl=length_of_rec ) |
| 498 |
READ(dUnit,rec=irec) buf |
| 499 |
CLOSE( dUnit ) |
| 500 |
|
| 501 |
#ifdef _BYTESWAPIO |
| 502 |
#ifdef REAL4_IS_SLOW |
| 503 |
CALL MDS_BYTESWAPR8((sNx+1)*(sNy+1), buf) |
| 504 |
#else |
| 505 |
CALL MDS_BYTESWAPR4((sNx+1)*(sNy+1), buf) |
| 506 |
#endif |
| 507 |
#endif |
| 508 |
|
| 509 |
DO J=1,sNy+1 |
| 510 |
DO I=1,sNx+1 |
| 511 |
array(I,J,bi,bj)=buf(I,J) |
| 512 |
ENDDO |
| 513 |
ENDDO |
| 514 |
c write(0,*) irec,buf(1,1),array(1,1,1,1) |
| 515 |
|
| 516 |
#endif /* ALLOW_EXCH2 */ |
| 517 |
|
| 518 |
RETURN |
| 519 |
END |
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