[142] | 1 | ;+ |
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[231] | 2 | ; |
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[163] | 3 | ; @file_comments |
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[142] | 4 | ; |
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[163] | 5 | ; @categories |
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| 6 | ; |
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| 7 | ; @param SECTYPE |
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| 8 | ; |
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| 9 | ; @param XAXIS |
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| 10 | ; |
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| 11 | ; @param YAXIS |
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| 12 | ; |
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| 13 | ; @param IODIR |
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| 14 | ; |
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| 15 | ; @returns |
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| 16 | ; |
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| 17 | ; @uses |
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| 18 | ; |
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| 19 | ; @restrictions |
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| 20 | ; |
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| 21 | ; @examples |
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| 22 | ; |
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| 23 | ; @history |
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| 24 | ; |
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| 25 | ; @version |
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| 26 | ; $Id$ |
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| 27 | ; |
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[142] | 28 | ; @todo seb |
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| 29 | ; |
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| 30 | ;- |
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[231] | 31 | ; |
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[53] | 32 | FUNCTION findlineandpointtype, sectype, xaxis, yaxis, iodir |
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| 33 | ; the file 'HOPE_lonlat.nc' is used in this function, This file must |
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| 34 | ; be localized in iodir |
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| 35 | ; netcdf HOPE_lonlat { |
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| 36 | ; dimensions: |
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| 37 | ; latTlow = 242 ; |
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| 38 | ; lonTlowodd = 128 ; |
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| 39 | ; latThigh = 390 ; |
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| 40 | ; lonThighodd = 256 ; |
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| 41 | ; variables: |
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| 42 | ; float latTlow(latTlow) ; |
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| 43 | ; latTlow:units = "degrees_north" ; |
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| 44 | ; float lonTlowodd(lonTlowodd) ; |
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| 45 | ; lonTlowodd:units = "degrees_east" ; |
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| 46 | ; lonTlowodd:point_spacing = "even" ; |
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| 47 | ; lonTlowodd:modulo = " " ; |
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| 48 | ; float latThigh(latThigh) ; |
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| 49 | ; latThigh:units = "degrees_north" ; |
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| 50 | ; float lonThighodd(lonThighodd) ; |
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| 51 | ; lonThighodd:units = "degrees_east" ; |
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| 52 | ; lonThighodd:point_spacing = "even" ; |
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| 53 | ; lonThighodd:modulo = " " ; |
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| 54 | ; } |
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[114] | 55 | ; |
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| 56 | compile_opt idl2, strictarrsubs |
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| 57 | ; |
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[53] | 58 | jpi = n_elements(xaxis) |
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| 59 | jpj = n_elements(yaxis) |
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| 60 | ; |
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[226] | 61 | ; determination of the grid type and of the point type |
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[53] | 62 | ; |
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| 63 | ; low resolution grid: jpi=128, jpj=121 ( x 2), jpk=20 |
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[226] | 64 | ; |
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[53] | 65 | ; 0. 1.4 2.8 4.2 5.6 |
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| 66 | ; odd T u T u 93.3 |
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| 67 | ; even T u T u 92.2 |
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| 68 | ; odd T u T u 91.1 |
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| 69 | ; even T u T u 90.0 |
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| 70 | ; |
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| 71 | ; |
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| 72 | ; high resolution grid: jpi=256, jpj=195 ( x 2), jpk=29 |
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[226] | 73 | ; |
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| 74 | ; 0. 0.7 1.4 2.1 2.8 |
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[53] | 75 | ; odd T u T u 91.6 |
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| 76 | ; even T u T u 91.0 |
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| 77 | ; odd T u T u 90.5 |
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| 78 | ; even T u T u 90.0 |
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| 79 | ; |
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| 80 | ; |
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| 81 | x0 = floor(xaxis[0]*10)/10. |
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| 82 | y0 = floor(yaxis[0]*10)/10. |
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| 83 | case sectype of |
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| 84 | 'xy':BEGIN |
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| 85 | if (jpi NE 128 and jpi NE 256) $ |
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| 86 | OR (jpj NE 121 AND jpj NE 121*2 AND jpj NE 195 AND jpj NE 195*2) then begin |
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[240] | 87 | ras = report('CASE NOT coded...') |
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[53] | 88 | stop |
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| 89 | ENDIF |
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| 90 | case 1 of |
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| 91 | jpj EQ 195: BEGIN |
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| 92 | case X0 OF |
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| 93 | 0:BEGIN |
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| 94 | line = 'even' |
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| 95 | vargrid = 'T' |
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| 96 | END |
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| 97 | 0.7:BEGIN |
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| 98 | case y0 OF |
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| 99 | 91.6:BEGIN |
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| 100 | line = 'odd' |
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| 101 | vargrid = 'T' |
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| 102 | END |
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| 103 | 91.0:BEGIN |
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| 104 | line = 'even' |
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| 105 | vargrid = 'U' |
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| 106 | END |
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| 107 | ELSE:BEGIN |
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[240] | 108 | ras = report('CASE NOT coded...') |
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[53] | 109 | stop |
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| 110 | END |
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| 111 | endcase |
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| 112 | END |
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| 113 | 1.4:BEGIN |
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| 114 | line = 'odd' |
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| 115 | vargrid = 'U' |
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| 116 | END |
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| 117 | endcase |
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| 118 | END |
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| 119 | jpj EQ 121:BEGIN |
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| 120 | case x0 OF |
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| 121 | 0:BEGIN |
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| 122 | line = 'even' |
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| 123 | vargrid = 'T' |
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| 124 | END |
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| 125 | 1.4:BEGIN |
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| 126 | case y0 OF |
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| 127 | 93.3:BEGIN |
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| 128 | line = 'odd' |
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| 129 | vargrid = 'T' |
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| 130 | END |
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| 131 | 92.2:BEGIN |
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| 132 | line = 'even' |
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| 133 | vargrid = 'U' |
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| 134 | END |
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| 135 | ELSE:BEGIN |
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[240] | 136 | ras = report('CASE NOT coded...') |
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[53] | 137 | stop |
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| 138 | END |
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| 139 | endcase |
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| 140 | END |
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| 141 | 2.8:BEGIN |
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| 142 | line = 'odd' |
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| 143 | vargrid = 'U' |
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| 144 | END |
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| 145 | endcase |
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| 146 | END |
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| 147 | jpj EQ 195*2:BEGIN |
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| 148 | line = 'odd-even' |
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| 149 | case x0 OF |
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| 150 | 0.7:vargrid = 'T' |
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| 151 | 1.4:vargrid = 'U' |
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| 152 | ELSE:BEGIN |
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[240] | 153 | ras = report('CASE NOT coded...') |
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[53] | 154 | stop |
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| 155 | END |
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| 156 | endcase |
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| 157 | END |
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| 158 | jpj EQ 121*2:BEGIN |
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| 159 | line = 'odd-even' |
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| 160 | case x0 OF |
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| 161 | 1.4:vargrid = 'T' |
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| 162 | 2.8:vargrid = 'U' |
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| 163 | ELSE:BEGIN |
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[240] | 164 | ras = report('CASE NOT coded...') |
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[53] | 165 | stop |
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| 166 | END |
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| 167 | endcase |
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| 168 | END |
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| 169 | ELSE:BEGIN |
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[240] | 170 | ras = report('CASE NOT coded...') |
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[53] | 171 | stop |
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| 172 | END |
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| 173 | endcase |
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| 174 | END |
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| 175 | 'xz':BEGIN |
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| 176 | if (jpi NE 128 and jpi NE 256) then begin |
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[240] | 177 | ras = report('CASE NOT coded...') |
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[53] | 178 | stop |
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| 179 | ENDIF |
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| 180 | case X0 OF |
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| 181 | 0:BEGIN |
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| 182 | line = 'even' |
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| 183 | vargrid = 'T' |
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| 184 | END |
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| 185 | 0.7:BEGIN |
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| 186 | id = ncdf_open(iodir+'HOPE_lonlat.nc') |
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| 187 | ncdf_varget, id, 'latThigh', lat |
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| 188 | test = (where(lat EQ yaxis[0]))[0] |
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| 189 | if test EQ -1 then begin |
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[240] | 190 | ras = report('CASE NOT coded...') |
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[53] | 191 | stop |
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| 192 | endif |
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| 193 | IF (test MOD 2) EQ 1 THEN BEGIN |
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| 194 | line = 'even' |
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| 195 | vargrid = 'U' |
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| 196 | ENDIF ELSE BEGIN |
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| 197 | line = 'odd' |
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| 198 | vargrid = 'T' |
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| 199 | ENDELSE |
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| 200 | ncdf_close, id |
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| 201 | END |
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| 202 | 1.4:BEGIN |
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| 203 | if jpi EQ 128 then begin |
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| 204 | id = ncdf_open(iodir+'HOPE_lonlat.nc') |
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| 205 | ncdf_varget, id, 'latTlow', lat |
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| 206 | test = (where(lat EQ yaxis[0]))[0] |
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| 207 | if test EQ -1 then begin |
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[240] | 208 | ras = report('CASE NOT coded...') |
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[53] | 209 | stop |
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| 210 | endif |
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| 211 | IF (test MOD 2) EQ 1 THEN BEGIN |
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| 212 | line = 'even' |
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| 213 | vargrid = 'U' |
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| 214 | ENDIF ELSE BEGIN |
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| 215 | line = 'odd' |
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| 216 | vargrid = 'T' |
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| 217 | ENDELSE |
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| 218 | ncdf_close, id |
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| 219 | ENDIF ELSE BEGIN |
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| 220 | line = 'odd' |
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| 221 | vargrid = 'U' |
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| 222 | ENDELSE |
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| 223 | END |
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| 224 | 2.8:BEGIN |
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| 225 | line = 'odd' |
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| 226 | vargrid = 'U' |
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| 227 | END |
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| 228 | endcase |
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| 229 | END |
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| 230 | 'yz':BEGIN |
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| 231 | if (jpj NE 121 AND jpj NE 195) then begin |
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[240] | 232 | ras= report('CASE NOT coded...') |
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[53] | 233 | stop |
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| 234 | ENDIF |
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| 235 | id = ncdf_open(iodir+'HOPE_lonlat.nc') |
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| 236 | case y0 of |
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| 237 | 93.3:BEGIN |
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| 238 | line = 'odd' |
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| 239 | ncdf_varget, id, 'lonTlowodd', lonTodd |
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| 240 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 241 | case 1 OF |
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| 242 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 243 | (where(lonTodd+xstep EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 244 | ELSE:BEGIN |
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[240] | 245 | ras = report('CASE NOT coded...') |
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[53] | 246 | stop |
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| 247 | END |
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| 248 | endcase |
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| 249 | END |
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| 250 | 92.2:BEGIN |
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| 251 | line = 'even' |
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| 252 | ncdf_varget, id, 'lonTlowodd', lonTodd |
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| 253 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 254 | case 1 OF |
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| 255 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 256 | (where(lonTodd-xstep EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 257 | ELSE:BEGIN |
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[240] | 258 | ras = report('CASE NOT coded...') |
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[53] | 259 | stop |
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| 260 | END |
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| 261 | endcase |
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| 262 | END |
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| 263 | 91.6:BEGIN |
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| 264 | line = 'odd' |
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| 265 | ncdf_varget, id, 'lonThighodd', lonTodd |
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| 266 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 267 | case 1 OF |
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| 268 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 269 | (where(lonTodd+xstep EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 270 | ELSE:BEGIN |
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[240] | 271 | ras = report('CASE NOT coded...') |
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[53] | 272 | stop |
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| 273 | END |
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| 274 | endcase |
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| 275 | END |
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| 276 | 91.0:BEGIN |
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| 277 | line = 'even' |
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| 278 | ncdf_varget, id, 'lonThighodd', lonTodd |
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| 279 | xstep = (lonTodd[1]-lonTodd[0])/2. |
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| 280 | case 1 OF |
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| 281 | (where(lonTodd EQ xaxis[0]))[0] NE -1:vargrid = 'U' |
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| 282 | (where(lonTodd-xstep EQ xaxis[0]))[0] NE -1:vargrid = 'T' |
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| 283 | ELSE:BEGIN |
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[240] | 284 | ras = report('CASE NOT coded...') |
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[53] | 285 | stop |
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| 286 | END |
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| 287 | endcase |
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| 288 | END |
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| 289 | ELSE:BEGIN |
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[240] | 290 | ras = report('CASE NOT coded...') |
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[53] | 291 | stop |
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| 292 | END |
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| 293 | endcase |
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| 294 | ncdf_close, id |
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| 295 | END |
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| 296 | else:BEGIN |
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[240] | 297 | ras = report('CASE NOT coded...') |
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[53] | 298 | stop |
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| 299 | END |
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| 300 | endcase |
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| 301 | |
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| 302 | return, {linetype:line, pointtype:vargrid} |
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| 303 | end |
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