| 1 | C $Header: /u/gcmpack/MITgcm/pkg/ex3/ex3_atopo_write.F,v 1.3 2006/02/06 21:09:54 edhill Exp $ | 
| 2 | C $Name:  $ | 
| 3 |  | 
| 4 | #include "EX3_OPTIONS.h" | 
| 5 |  | 
| 6 | C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| | 
| 7 | CBOP | 
| 8 | C     !ROUTINE: EX3_ATOPO_WRITE | 
| 9 |  | 
| 10 | C     !INTERFACE: | 
| 11 | SUBROUTINE EX3_ATOPO_WRITE | 
| 12 |  | 
| 13 | C     !DESCRIPTION: | 
| 14 | C     Write the EX3 tile topology information to a "flat" ASCII text | 
| 15 | C     file that contains a version string. | 
| 16 |  | 
| 17 | C     !USES: | 
| 18 | IMPLICIT NONE | 
| 19 | #include "SIZE.h" | 
| 20 | #include "EEPARAMS.h" | 
| 21 | #include "EESUPPORT.h" | 
| 22 | #include "EX3_SIZE.h" | 
| 23 | #include "EX3_PARAMS.h" | 
| 24 | #include "EX3_TOPOLOGY.h" | 
| 25 | INTEGER  IFNBLNK | 
| 26 | EXTERNAL IFNBLNK | 
| 27 | INTEGER  ILNBLNK | 
| 28 | EXTERNAL ILNBLNK | 
| 29 | CEOP | 
| 30 |  | 
| 31 | C     !LOCAL VARIABLES: | 
| 32 | C     iUnit  :: Work variable for IO unit number | 
| 33 | C     errIO  :: IO unit error flag | 
| 34 | C     IL     :: Temp. for index strings | 
| 35 | C     msgBuf :: Temp. for textual I/O | 
| 36 | C     line   :: Temp. for textual I/O | 
| 37 | INTEGER IL, errIO, iUnit | 
| 38 | CHARACTER*(MAX_LEN_MBUF) msgBuf | 
| 39 | INTEGER ii, jj, kk, k, ic, nneigh | 
| 40 |  | 
| 41 |  | 
| 42 | IL = ILNBLNK(EX3_ATOPO_ONAME) | 
| 43 | iUnit = eeDataUnit | 
| 44 | OPEN(UNIT=iUnit,FILE=EX3_ATOPO_ONAME(1:IL), | 
| 45 | &     status='unknown',err=100,IOSTAT=errIO) | 
| 46 | IF ( errIO .GE. 0 ) GOTO 200 | 
| 47 | 100  CONTINUE | 
| 48 | WRITE(msgBuf,'(A)') | 
| 49 | &     'S/R EX3_ATOPO_WRITE' | 
| 50 | CALL PRINT_ERROR( msgBuf , 1) | 
| 51 | WRITE(msgBuf,'(3A)') | 
| 52 | &     'Unable to open file "',EX3_ATOPO_ONAME(1:IL),'"' | 
| 53 | CALL PRINT_ERROR( msgBuf , 1) | 
| 54 | STOP 'ABNORMAL END: S/R EX3_ATOPO_WRITE' | 
| 55 |  | 
| 56 | 200  CONTINUE | 
| 57 |  | 
| 58 | C     ========  ASCII FORMAT  ======== | 
| 59 | 650  FORMAT(10i12) | 
| 60 | C     The above format is not the most efficient way to pack the | 
| 61 | C     topology data.  But it does NOT matter!  Considering a | 
| 62 | C     hypothetical system with 10,000 tiles (one full order of magnitude | 
| 63 | C     larger than any MITgcm run performed through 2005), the file size | 
| 64 | C     would still be less than 10MB: | 
| 65 | C | 
| 66 | C     (10000 tiles) * (~5500 bytes / 6 tiles) = 9.2 MB | 
| 67 | C | 
| 68 | C     and this is orders of magnitude smaller than any binary data files | 
| 69 | C     that would be needed by such a run. | 
| 70 | C | 
| 71 | C     Write the topo-file version string : | 
| 72 | C     =           0         0 | 
| 73 | C     =  123456789 123456789 | 
| 74 | C     =  EXCH2TOPO ver 001 | 
| 75 | C     =  EX3TOPO ver 001 | 
| 76 | C     =              === | 
| 77 | C     ========  ASCII FORMAT  ======== | 
| 78 |  | 
| 79 | IF ( EX3_ATOPO_OVER(1:3) .EQ. '001' ) THEN | 
| 80 |  | 
| 81 | WRITE(iUnit,'(a)') '#' | 
| 82 | WRITE(iUnit,'(a)') '#  MODEL GENERATED' | 
| 83 | WRITE(iUnit,'(a)') '#' | 
| 84 | WRITE(iUnit,'(a)') 'EX3TOPO ver 001' | 
| 85 | WRITE(iUnit,650) ex3_t_num | 
| 86 | DO k = 1,ex3_t_num | 
| 87 |  | 
| 88 | WRITE(iUnit,650) k | 
| 89 | WRITE(iUnit,650) | 
| 90 | &         ex3_t_iproc(k), ex3_t_ori(k), | 
| 91 | &         (ex3_t_nxy(ii,k), ii=1,2) | 
| 92 | WRITE(iUnit,650) ex3_f_ind(k), | 
| 93 | &         (ex3_f_nxy(ii,k), ii=1,2), (ex3_f_oij(ii,k), ii=1,2) | 
| 94 | WRITE(iUnit,650) ex3_e_n(k) | 
| 95 | WRITE(iUnit,650) (ex3_e_iam(ii,k), ii=1,ex3_e_n(k)) | 
| 96 | WRITE(iUnit,650) (ex3_e_iopt(ii,k), ii=1,ex3_e_n(k)) | 
| 97 | WRITE(iUnit,650) (ex3_e_iope(ii,k), ii=1,ex3_e_n(k)) | 
| 98 | DO ii = 1,ex3_e_n(k) | 
| 99 | WRITE(iUnit,650) | 
| 100 | &           ((ex3_e_dat(kk,jj,ii,k), kk=1,3), jj=1,2) | 
| 101 | ENDDO | 
| 102 | WRITE(iUnit,650) (ex3_c_n(ii,k), ii=1,4) | 
| 103 | DO ii = 1,4 | 
| 104 | WRITE(iUnit,650) | 
| 105 | &           (ex3_c_ind(jj,ii,k), jj=1,ex3_c_n(ii,k)) | 
| 106 | WRITE(iUnit,650) | 
| 107 | &           (ex3_c_num(jj,ii,k), jj=1,ex3_c_n(ii,k)) | 
| 108 | WRITE(iUnit,650) | 
| 109 | &           (ex3_c_ori(jj,ii,k), jj=1,ex3_c_n(ii,k)) | 
| 110 | ENDDO | 
| 111 |  | 
| 112 | ENDDO | 
| 113 |  | 
| 114 | ELSE | 
| 115 |  | 
| 116 | WRITE(msgBuf,'(A)') | 
| 117 | &       'S/R EX3_ATOPO_WRITE' | 
| 118 | CALL PRINT_ERROR( msgBuf , 1) | 
| 119 | WRITE(msgBuf,'(3A)') | 
| 120 | &       'Unknown topology version ''',EX3_ATOPO_OVER(1:3),'''' | 
| 121 | CALL PRINT_ERROR( msgBuf , 1) | 
| 122 | WRITE(msgBuf,'(3A)') | 
| 123 | &       'Currently, valid values are ''001''' | 
| 124 | CALL PRINT_ERROR( msgBuf , 1) | 
| 125 | STOP 'ABNORMAL END: S/R EX3_ATOPO_WRITE' | 
| 126 |  | 
| 127 | ENDIF | 
| 128 |  | 
| 129 | CLOSE(iUnit) | 
| 130 |  | 
| 131 | RETURN | 
| 132 | END |