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edhill |
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C $Header: /u/gcmpack/MITgcm/pkg/ex3/ex3_atopo_write.F,v 1.3 2006/02/06 21:09:54 edhill Exp $ |
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C $Name: $ |
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#include "EX3_OPTIONS.h" |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: EX3_ATOPO_WRITE |
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C !INTERFACE: |
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SUBROUTINE EX3_ATOPO_WRITE |
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C !DESCRIPTION: |
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C Write the EX3 tile topology information to a "flat" ASCII text |
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C file that contains a version string. |
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C !USES: |
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IMPLICIT NONE |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "EESUPPORT.h" |
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#include "EX3_SIZE.h" |
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#include "EX3_PARAMS.h" |
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#include "EX3_TOPOLOGY.h" |
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INTEGER IFNBLNK |
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EXTERNAL IFNBLNK |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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CEOP |
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C !LOCAL VARIABLES: |
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C iUnit :: Work variable for IO unit number |
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C errIO :: IO unit error flag |
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C IL :: Temp. for index strings |
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C msgBuf :: Temp. for textual I/O |
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C line :: Temp. for textual I/O |
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INTEGER IL, errIO, iUnit |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER ii, jj, kk, k, ic, nneigh |
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IL = ILNBLNK(EX3_ATOPO_ONAME) |
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iUnit = eeDataUnit |
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OPEN(UNIT=iUnit,FILE=EX3_ATOPO_ONAME(1:IL), |
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& status='unknown',err=100,IOSTAT=errIO) |
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IF ( errIO .GE. 0 ) GOTO 200 |
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100 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R EX3_ATOPO_WRITE' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'Unable to open file "',EX3_ATOPO_ONAME(1:IL),'"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R EX3_ATOPO_WRITE' |
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200 CONTINUE |
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C ======== ASCII FORMAT ======== |
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650 FORMAT(10i12) |
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C The above format is not the most efficient way to pack the |
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C topology data. But it does NOT matter! Considering a |
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C hypothetical system with 10,000 tiles (one full order of magnitude |
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C larger than any MITgcm run performed through 2005), the file size |
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C would still be less than 10MB: |
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C |
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C (10000 tiles) * (~5500 bytes / 6 tiles) = 9.2 MB |
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C |
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C and this is orders of magnitude smaller than any binary data files |
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C that would be needed by such a run. |
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C |
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C Write the topo-file version string : |
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C = 0 0 |
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C = 123456789 123456789 |
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C = EXCH2TOPO ver 001 |
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C = EX3TOPO ver 001 |
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C = === |
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C ======== ASCII FORMAT ======== |
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IF ( EX3_ATOPO_OVER(1:3) .EQ. '001' ) THEN |
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WRITE(iUnit,'(a)') '#' |
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WRITE(iUnit,'(a)') '# MODEL GENERATED' |
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WRITE(iUnit,'(a)') '#' |
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WRITE(iUnit,'(a)') 'EX3TOPO ver 001' |
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WRITE(iUnit,650) ex3_t_num |
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DO k = 1,ex3_t_num |
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WRITE(iUnit,650) k |
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WRITE(iUnit,650) |
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& ex3_t_iproc(k), ex3_t_ori(k), |
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& (ex3_t_nxy(ii,k), ii=1,2) |
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WRITE(iUnit,650) ex3_f_ind(k), |
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& (ex3_f_nxy(ii,k), ii=1,2), (ex3_f_oij(ii,k), ii=1,2) |
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WRITE(iUnit,650) ex3_e_n(k) |
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WRITE(iUnit,650) (ex3_e_iam(ii,k), ii=1,ex3_e_n(k)) |
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WRITE(iUnit,650) (ex3_e_iopt(ii,k), ii=1,ex3_e_n(k)) |
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WRITE(iUnit,650) (ex3_e_iope(ii,k), ii=1,ex3_e_n(k)) |
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DO ii = 1,ex3_e_n(k) |
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WRITE(iUnit,650) |
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& ((ex3_e_dat(kk,jj,ii,k), kk=1,3), jj=1,2) |
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ENDDO |
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WRITE(iUnit,650) (ex3_c_n(ii,k), ii=1,4) |
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DO ii = 1,4 |
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WRITE(iUnit,650) |
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& (ex3_c_ind(jj,ii,k), jj=1,ex3_c_n(ii,k)) |
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WRITE(iUnit,650) |
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& (ex3_c_num(jj,ii,k), jj=1,ex3_c_n(ii,k)) |
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WRITE(iUnit,650) |
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& (ex3_c_ori(jj,ii,k), jj=1,ex3_c_n(ii,k)) |
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ENDDO |
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ENDDO |
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ELSE |
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WRITE(msgBuf,'(A)') |
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& 'S/R EX3_ATOPO_WRITE' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'Unknown topology version ''',EX3_ATOPO_OVER(1:3),'''' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(3A)') |
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& 'Currently, valid values are ''001''' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R EX3_ATOPO_WRITE' |
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ENDIF |
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CLOSE(iUnit) |
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RETURN |
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END |
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