[53] | 1 | FUNCTION findlineandpointtype, sectype, xaxis, yaxis, iodir |
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| 2 | ; the file 'HOPE_lonlat.nc' is used in this function, This file must |
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| 3 | ; be localized in iodir |
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| 4 | ; netcdf HOPE_lonlat { |
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| 5 | ; dimensions: |
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| 6 | ; latTlow = 242 ; |
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| 7 | ; lonTlowodd = 128 ; |
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| 8 | ; latThigh = 390 ; |
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| 9 | ; lonThighodd = 256 ; |
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| 10 | ; variables: |
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| 11 | ; float latTlow(latTlow) ; |
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| 12 | ; latTlow:units = "degrees_north" ; |
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| 13 | ; float lonTlowodd(lonTlowodd) ; |
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| 14 | ; lonTlowodd:units = "degrees_east" ; |
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| 15 | ; lonTlowodd:point_spacing = "even" ; |
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| 16 | ; lonTlowodd:modulo = " " ; |
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| 17 | ; float latThigh(latThigh) ; |
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| 18 | ; latThigh:units = "degrees_north" ; |
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| 19 | ; float lonThighodd(lonThighodd) ; |
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| 20 | ; lonThighodd:units = "degrees_east" ; |
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| 21 | ; lonThighodd:point_spacing = "even" ; |
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| 22 | ; lonThighodd:modulo = " " ; |
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| 23 | ; } |
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[114] | 24 | ; |
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| 25 | compile_opt idl2, strictarrsubs |
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| 26 | ; |
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[53] | 27 | jpi = n_elements(xaxis) |
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| 28 | jpj = n_elements(yaxis) |
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| 29 | ; |
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| 30 | ; depermination of the grid type and of the point type |
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| 31 | ; |
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| 32 | ; low resolution grid: jpi=128, jpj=121 ( x 2), jpk=20 |
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| 33 | ; |
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| 34 | ; 0. 1.4 2.8 4.2 5.6 |
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| 35 | ; odd T u T u 93.3 |
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| 36 | ; even T u T u 92.2 |
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| 37 | ; odd T u T u 91.1 |
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| 38 | ; even T u T u 90.0 |
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| 39 | ; |
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| 40 | ; |
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| 41 | ; high resolution grid: jpi=256, jpj=195 ( x 2), jpk=29 |
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| 42 | ; |
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| 43 | ; 0. 0.7 1.4 2.1 2.8 |
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| 44 | ; odd T u T u 91.6 |
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| 45 | ; even T u T u 91.0 |
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| 46 | ; odd T u T u 90.5 |
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| 47 | ; even T u T u 90.0 |
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| 48 | ; |
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| 49 | ; |
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| 50 | x0 = floor(xaxis[0]*10)/10. |
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| 51 | y0 = floor(yaxis[0]*10)/10. |
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| 52 | case sectype of |
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| 53 | 'xy':BEGIN |
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| 54 | if (jpi NE 128 and jpi NE 256) $ |
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| 55 | OR (jpj NE 121 AND jpj NE 121*2 AND jpj NE 195 AND jpj NE 195*2) then begin |
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| 56 | print, 'CASE NOT coded...' |
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| 57 | stop |
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| 58 | ENDIF |
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| 59 | case 1 of |
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| 60 | jpj EQ 195: BEGIN |
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| 61 | case X0 OF |
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| 62 | 0:BEGIN |
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| 63 | line = 'even' |
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| 64 | vargrid = 'T' |
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| 65 | END |
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| 66 | 0.7:BEGIN |
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| 67 | case y0 OF |
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| 68 | 91.6:BEGIN |
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| 69 | line = 'odd' |
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| 70 | vargrid = 'T' |
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| 71 | END |
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| 72 | 91.0:BEGIN |
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| 73 | line = 'even' |
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| 74 | vargrid = 'U' |
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| 75 | END |
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| 76 | ELSE:BEGIN |
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| 77 | print, 'CASE NOT coded...' |
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| 78 | stop |
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| 79 | END |
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| 80 | endcase |
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| 81 | END |
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| 82 | 1.4:BEGIN |
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| 83 | line = 'odd' |
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| 84 | vargrid = 'U' |
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| 85 | END |
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| 86 | endcase |
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| 87 | END |
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| 88 | jpj EQ 121:BEGIN |
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| 89 | case x0 OF |
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| 90 | 0:BEGIN |
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| 91 | line = 'even' |
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| 92 | vargrid = 'T' |
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| 93 | END |
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| 94 | 1.4:BEGIN |
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| 95 | case y0 OF |
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| 96 | 93.3:BEGIN |
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| 97 | line = 'odd' |
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| 98 | vargrid = 'T' |
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| 99 | END |
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| 100 | 92.2:BEGIN |
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| 101 | line = 'even' |
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| 102 | vargrid = 'U' |
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| 103 | END |
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| 104 | ELSE:BEGIN |
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| 105 | print, 'CASE NOT coded...' |
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| 106 | stop |
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| 107 | END |
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| 108 | endcase |
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| 109 | END |
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| 110 | 2.8:BEGIN |
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| 111 | line = 'odd' |
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| 112 | vargrid = 'U' |
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| 113 | END |
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| 114 | endcase |
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| 115 | END |
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| 116 | jpj EQ 195*2:BEGIN |
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| 117 | line = 'odd-even' |
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| 118 | case x0 OF |
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| 119 | 0.7:vargrid = 'T' |
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| 120 | 1.4:vargrid = 'U' |
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| 121 | ELSE:BEGIN |
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| 122 | print, 'CASE NOT coded...' |
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| 123 | stop |
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| 124 | END |
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| 125 | endcase |
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| 126 | END |
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| 127 | jpj EQ 121*2:BEGIN |
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| 128 | line = 'odd-even' |
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| 129 | case x0 OF |
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| 130 | 1.4:vargrid = 'T' |
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| 131 | 2.8:vargrid = 'U' |
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| 132 | ELSE:BEGIN |
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| 133 | print, 'CASE NOT coded...' |
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| 134 | stop |
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| 135 | END |
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| 136 | endcase |
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| 137 | END |
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| 138 | ELSE:BEGIN |
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| 139 | print, 'CASE NOT coded...' |
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| 140 | stop |
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| 141 | END |
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| 142 | endcase |
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| 143 | END |
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| 144 | 'xz':BEGIN |
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| 145 | if (jpi NE 128 and jpi NE 256) then begin |
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| 146 | print, 'CASE NOT coded...' |
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| 147 | stop |
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| 148 | ENDIF |
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| 149 | case X0 OF |
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| 150 | 0:BEGIN |
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| 151 | line = 'even' |
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| 152 | vargrid = 'T' |
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| 153 | END |
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| 154 | 0.7:BEGIN |
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| 155 | id = ncdf_open(iodir+'HOPE_lonlat.nc') |
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| 156 | ncdf_varget, id, 'latThigh', lat |
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| 157 | test = (where(lat EQ yaxis[0]))[0] |
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| 158 | if test EQ -1 then begin |
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| 159 | print, 'CASE NOT coded...' |
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| 160 | stop |
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| 161 | endif |
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| 162 | IF (test MOD 2) EQ 1 THEN BEGIN |
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| 163 | line = 'even' |
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| 164 | vargrid = 'U' |
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| 165 | ENDIF ELSE BEGIN |
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| 166 | line = 'odd' |
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| 167 | vargrid = 'T' |
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| 168 | ENDELSE |
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| 169 | ncdf_close, id |
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| 170 | END |
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| 171 | 1.4:BEGIN |
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| 172 | if jpi EQ 128 then begin |
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| 173 | id = ncdf_open(iodir+'HOPE_lonlat.nc') |
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| 174 | ncdf_varget, id, 'latTlow', lat |
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| 175 | test = (where(lat EQ yaxis[0]))[0] |
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| 176 | if test EQ -1 then begin |
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| 177 | print, 'CASE NOT coded...' |
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| 178 | stop |
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| 179 | endif |
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| 180 | IF (test MOD 2) EQ 1 THEN BEGIN |
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| 181 | line = 'even' |
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| 182 | vargrid = 'U' |
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| 183 | ENDIF ELSE BEGIN |
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| 184 | line = 'odd' |
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| 185 | vargrid = 'T' |
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| 186 | ENDELSE |
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| 187 | ncdf_close, id |
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| 188 | ENDIF ELSE BEGIN |
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| 189 | line = 'odd' |
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| 190 | vargrid = 'U' |
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| 191 | ENDELSE |
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| 192 | END |
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| 193 | 2.8:BEGIN |
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| 194 | line = 'odd' |
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| 195 | vargrid = 'U' |
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| 196 | END |
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| 197 | endcase |
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| 198 | END |
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| 199 | 'yz':BEGIN |
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| 200 | if (jpj NE 121 AND jpj NE 195) then begin |
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| 201 | print, 'CASE NOT coded...' |
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| 202 | stop |
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| 203 | ENDIF |
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| 204 | id = ncdf_open(iodir+'HOPE_lonlat.nc') |
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| 205 | case y0 of |
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| 206 | 93.3:BEGIN |
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| 207 | line = 'odd' |
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| 208 | ncdf_varget, id, 'lonTlowodd', lonTodd |
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| 209 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 210 | case 1 OF |
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| 211 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 212 | (where(lonTodd+xstep EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 213 | ELSE:BEGIN |
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| 214 | print, 'CASE NOT coded...' |
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| 215 | stop |
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| 216 | END |
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| 217 | endcase |
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| 218 | END |
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| 219 | 92.2:BEGIN |
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| 220 | line = 'even' |
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| 221 | ncdf_varget, id, 'lonTlowodd', lonTodd |
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| 222 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 223 | case 1 OF |
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| 224 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 225 | (where(lonTodd-xstep EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 226 | ELSE:BEGIN |
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| 227 | print, 'CASE NOT coded...' |
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| 228 | stop |
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| 229 | END |
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| 230 | endcase |
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| 231 | END |
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| 232 | 91.6:BEGIN |
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| 233 | line = 'odd' |
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| 234 | ncdf_varget, id, 'lonThighodd', lonTodd |
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| 235 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 236 | case 1 OF |
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| 237 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 238 | (where(lonTodd+xstep EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 239 | ELSE:BEGIN |
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| 240 | print, 'CASE NOT coded...' |
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| 241 | stop |
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| 242 | END |
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| 243 | endcase |
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| 244 | END |
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| 245 | 91.0:BEGIN |
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| 246 | line = 'even' |
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| 247 | ncdf_varget, id, 'lonThighodd', lonTodd |
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| 248 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 249 | case 1 OF |
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| 250 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 251 | (where(lonTodd-xstep EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 252 | ELSE:BEGIN |
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| 253 | print, 'CASE NOT coded...' |
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| 254 | stop |
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| 255 | END |
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| 256 | endcase |
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| 257 | END |
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| 258 | ELSE:BEGIN |
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| 259 | print, 'CASE NOT coded...' |
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| 260 | stop |
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| 261 | END |
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| 262 | endcase |
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| 263 | ncdf_close, id |
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| 264 | END |
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| 265 | else:BEGIN |
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| 266 | print, 'case not coded' |
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| 267 | stop |
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| 268 | END |
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| 269 | endcase |
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| 270 | |
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| 271 | return, {linetype:line, pointtype:vargrid} |
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| 272 | end |
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