[2945] | 1 | PROGRAM fbthin |
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[3000] | 2 | !!--------------------------------------------------------------------- |
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| 3 | !! |
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| 4 | !! ** PROGRAM fbthin ** |
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| 5 | !! |
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| 6 | !! ** Purpose : Thin the data to 1 degree resolution |
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| 7 | !! |
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| 8 | !! ** Method : Use of utilities from obs_fbm. |
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| 9 | !! |
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| 10 | !! ** Action : |
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| 11 | !! |
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| 12 | !! Usage: |
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[3002] | 13 | !! fbthin.exe inputfile outputfile |
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[3000] | 14 | !! |
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| 15 | !! Required: |
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| 16 | !! namelist = namthin.in |
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| 17 | !! |
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| 18 | !! History : |
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| 19 | !! ! 2010 (K. Mogensen) Initial version |
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| 20 | !!---------------------------------------------------------------------- |
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[2945] | 21 | USE obs_fbm |
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| 22 | IMPLICIT NONE |
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| 23 | ! |
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| 24 | ! Command line arguments for output file and input file |
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| 25 | ! |
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[3000] | 26 | #ifndef NOIARGCPROTO |
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[2945] | 27 | INTEGER,EXTERNAL :: iargc |
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| 28 | #endif |
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| 29 | INTEGER :: nargs |
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| 30 | CHARACTER(len=256) :: cdoutfile |
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| 31 | CHARACTER(len=256) :: cdinfile |
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| 32 | CHARACTER(len=256) :: cdtmp |
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| 33 | INTEGER :: nout,ninn,nadd,next,i,j,k |
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| 34 | LOGICAL :: lgrid |
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| 35 | ! |
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| 36 | ! Feedback data |
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| 37 | ! |
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| 38 | TYPE(obfbdata) :: fbdatain |
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| 39 | ! |
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| 40 | ! Get number of command line arguments |
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| 41 | ! |
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| 42 | nargs=IARGC() |
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| 43 | IF ((nargs /= 2)) THEN |
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| 44 | WRITE(*,'(A)')'Usage:' |
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| 45 | WRITE(*,'(A)')'fbthin inputfile outputfile' |
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| 46 | CALL abort() |
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| 47 | ENDIF |
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| 48 | CALL getarg(1,cdinfile) |
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| 49 | CALL getarg(2,cdoutfile) |
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| 50 | ! |
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| 51 | ! Initialize feedback data |
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| 52 | ! |
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| 53 | CALL init_obfbdata( fbdatain ) |
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| 54 | ! |
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| 55 | ! Read the file |
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| 56 | ! |
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| 57 | CALL read_obfbdata( TRIM(cdinfile), fbdatain ) |
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| 58 | ! |
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| 59 | ! Do the thining |
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| 60 | ! |
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| 61 | CALL fb_thin( fbdatain ) |
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| 62 | ! |
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| 63 | ! Write the file |
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| 64 | ! |
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| 65 | CALL write_obfbdata( TRIM(cdoutfile), fbdatain ) |
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| 66 | |
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| 67 | CONTAINS |
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| 68 | |
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| 69 | SUBROUTINE fb_thin( fbdata ) |
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| 70 | ! |
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[3000] | 71 | ! Observation thinning |
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[2945] | 72 | ! |
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| 73 | IMPLICIT NONE |
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| 74 | TYPE(obfbdata) :: fbdata |
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[3000] | 75 | ! Namelist parameters |
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| 76 | INTEGER, PARAMETER :: nmaxtypes = 10 |
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| 77 | CHARACTER(len=ilentyp), DIMENSION(nmaxtypes) :: thintypes |
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| 78 | REAL, DIMENSION(nmaxtypes) :: thindists, thindtime |
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| 79 | ! Local variables |
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| 80 | NAMELIST/namthin/thintypes, thindists, thindtime |
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| 81 | INTEGER :: it,ii,ij,iv,iobs,irej |
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| 82 | REAL :: zdist |
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| 83 | |
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| 84 | ! Get namelist |
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| 85 | thintypes(:) = 'XXXX' |
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| 86 | ! Distance in km |
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| 87 | thindists(:) = 100.0 |
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| 88 | ! Time difference in days |
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| 89 | thindtime(:) = 0.99999999 |
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| 90 | OPEN(10,file='namthin.in') |
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| 91 | READ(10,namthin) |
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| 92 | CLOSE(10) |
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| 93 | WRITE(*,namthin) |
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[2945] | 94 | |
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[3000] | 95 | ! Convert to meters |
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| 96 | thindists(:) = thindists(:) * 1000.0 |
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[2945] | 97 | |
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[3000] | 98 | DO it = 1, nmaxtypes |
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[2945] | 99 | |
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[3000] | 100 | IF ( TRIM(thintypes(it)) == 'XXXX' ) CYCLE |
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[2945] | 101 | |
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[3000] | 102 | iobs = 0 |
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| 103 | irej = 0 |
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[2945] | 104 | |
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[3000] | 105 | master_loop: DO ii= 1, fbdata%nobs |
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| 106 | |
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| 107 | IF ( TRIM(ADJUSTL(thintypes(it))) /= 'all' ) THEN |
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| 108 | IF ( TRIM(ADJUSTL(fbdata%cdtyp(ii))) /= & |
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| 109 | & TRIM(ADJUSTL(thintypes(it))) ) CYCLE |
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| 110 | ENDIF |
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| 111 | |
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| 112 | iobs = iobs + 1 |
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| 113 | |
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| 114 | ! Skip data with missing lon and lat and observation flag rejected. |
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| 115 | |
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| 116 | IF (fbdata%plam(ii)==fbrmdi) CYCLE |
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| 117 | IF (fbdata%pphi(ii)==fbrmdi) CYCLE |
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| 118 | IF (fbdata%ioqc(ii)>2) CYCLE |
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| 119 | |
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| 120 | DO ij=ii+1, fbdata%nobs |
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| 121 | |
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| 122 | ! Skip data with missing lon and lat and observation flag rejected. |
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| 123 | |
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| 124 | IF (fbdata%plam(ij)==fbrmdi) CYCLE |
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| 125 | IF (fbdata%pphi(ij)==fbrmdi) CYCLE |
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| 126 | IF (fbdata%ioqc(ij)>2) CYCLE |
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| 127 | |
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| 128 | ! Skip different type unless thintypes is 'all' |
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| 129 | |
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| 130 | IF ( TRIM(ADJUSTL(thintypes(it))) /= 'all' ) THEN |
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| 131 | IF ( TRIM(ADJUSTL(fbdata%cdtyp(ij))) /= & |
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| 132 | & TRIM(ADJUSTL(thintypes(it))) ) CYCLE |
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| 133 | ENDIF |
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| 134 | |
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| 135 | IF ( ABS( fbdata%ptim(ij) - fbdata%ptim(ii) ) & |
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| 136 | & >= thindtime(it) ) CYCLE |
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| 137 | |
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| 138 | zdist = distance( fbdata%plam(ii), fbdata%pphi(ii), & |
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| 139 | & fbdata%plam(ij), fbdata%pphi(ij) ) |
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| 140 | |
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| 141 | IF ( zdist < thindists(it) ) THEN |
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| 142 | |
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| 143 | irej = irej + 1 |
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| 144 | fbdata%ioqc(ij) = 4 |
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| 145 | fbdata%ioqcf(2,ij) = fbdata%ioqcf(2,ij) + 32 |
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| 146 | |
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| 147 | ENDIF |
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[2945] | 148 | ENDDO |
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[3000] | 149 | |
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| 150 | ENDDO master_loop |
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[2945] | 151 | |
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[3000] | 152 | WRITE(*,*)'For type = ',TRIM(thintypes(it)) |
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| 153 | WRITE(*,*)'Observations considered = ',iobs |
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| 154 | WRITE(*,*)'Observations rejected = ',irej |
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| 155 | |
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[2945] | 156 | ENDDO |
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| 157 | |
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[3000] | 158 | |
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| 159 | |
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[2945] | 160 | END SUBROUTINE fb_thin |
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| 161 | |
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[3000] | 162 | #include "distance.h90" |
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[2945] | 163 | |
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| 164 | END PROGRAM fbthin |
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