1 | PROGRAM fbthin |
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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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13 | !! fbthin.exe inputfile outputfile |
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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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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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26 | #ifndef NOIARGCPROTO |
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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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71 | ! Observation thinning |
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72 | ! |
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73 | IMPLICIT NONE |
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74 | TYPE(obfbdata) :: fbdata |
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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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94 | |
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95 | ! Convert to meters |
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96 | thindists(:) = thindists(:) * 1000.0 |
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97 | |
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98 | DO it = 1, nmaxtypes |
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99 | |
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100 | IF ( TRIM(thintypes(it)) == 'XXXX' ) CYCLE |
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101 | |
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102 | iobs = 0 |
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103 | irej = 0 |
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104 | |
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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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148 | ENDDO |
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149 | |
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150 | ENDDO master_loop |
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151 | |
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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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156 | ENDDO |
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157 | |
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158 | |
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159 | |
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160 | END SUBROUTINE fb_thin |
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161 | |
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162 | #include "distance.h90" |
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163 | |
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164 | END PROGRAM fbthin |
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