1 | ;------------------------------------------------------------ |
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2 | ;------------------------------------------------------------ |
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3 | ;------------------------------------------------------------ |
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4 | ;+ |
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5 | ; NAME: interpolation.pro |
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6 | ; |
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7 | ; PURPOSE: Interpolates data from a regular origin grid to any grid |
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8 | ; |
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9 | ; CATEGORY: Program |
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10 | ; |
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11 | ; CALLING SEQUENCE: interpolation |
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12 | ; |
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13 | ; INPUTS: Complete the INIT_PATH and NAMINTERP files |
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14 | ; |
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15 | ; KEYWORD PARAMETERS: None |
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16 | ; |
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17 | ; OUTPUTS: NetCDF file(s) containing the interpolated field |
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18 | ; |
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19 | ; COMMON BLOCKS: |
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20 | ; common_interp.pro |
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21 | ; |
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22 | ; SIDE EFFECTS: |
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23 | ; |
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24 | ; RESTRICTIONS: |
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25 | ; |
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26 | ; EXAMPLE: |
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27 | ; |
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28 | ; MODIFICATION HISTORY: 11/99 A. Jouzeau |
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29 | ; 08/00 A. Jouzeau |
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30 | ; 01/02 R. Hordoir |
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31 | ; 03/2003 R. Hordoir & C. Ethe |
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32 | ; |
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33 | ;- |
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34 | ;------------------------------------------------------------ |
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35 | ;------------------------------------------------------------ |
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36 | ;------------------------------------------------------------ |
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37 | PRO interpolation |
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38 | @common_interp |
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39 | tempsun = systime(1) ; pour key_performance |
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40 | print,'***********************************************' |
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41 | print,'********** OPA INTERPOLATION PACKAGE **********' |
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42 | print,'***********************************************' |
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43 | ; |
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44 | unit = 40 |
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45 | openw, unit, 'interp_output' |
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46 | ; |
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47 | printf, 40, '*******************************************' |
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48 | printf, 40, '* INTERPOLATION PROGRAM *' |
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49 | printf, 40, '*******************************************' |
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50 | printf, 40, '' |
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51 | printf, 40, '******************************************' |
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52 | printf, 40, '* USE : *' |
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53 | printf, 40, '* --> Input grid : Regular *' |
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54 | printf, 40, '* --> Output grid : Regular or Irregular *' |
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55 | printf, 40, '******************************************' |
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56 | ; |
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57 | ;-------------------------------------------------- |
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58 | ; INITIALISATIONS * |
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59 | ;-------------------------------------------------- |
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60 | ; |
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61 | printf, 40, '' |
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62 | printf, 40, 'I- Interpolation initialisations' |
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63 | printf, 40, '================================' |
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64 | ; |
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65 | @naminterp |
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66 | ; |
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67 | printf, 40, '' |
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68 | printf, 40, 'II- Paths initialisations' |
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69 | printf, 40, '=========================' |
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70 | ; |
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71 | @init_path |
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72 | |
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73 | ; |
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74 | ;--------------------------------------------------- |
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75 | ; READING INPUT MASK & OUTPUT COORDINATES * |
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76 | ;--------------------------------------------------- |
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77 | ; |
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78 | printf, 40, '' |
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79 | printf, 40, 'III- Opening data files and reading input mask and output coordinates' |
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80 | printf, 40, '=====================================================================' |
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81 | ; |
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82 | netcdf_input, mask |
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83 | ; |
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84 | ; Coordinates of input grid (for plotting purposes) |
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85 | ; |
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86 | lonatm = fltarr(jpiatm) |
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87 | latatm = fltarr(jpjatm) |
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88 | FOR i = 0, jpiatm-1 DO BEGIN |
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89 | lonatm(i) = west_lon + i*dx |
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90 | ENDFOR |
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91 | FOR j = 0, jpjatm-1 DO BEGIN |
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92 | latatm(j) = phi_input(j) |
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93 | ENDFOR |
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94 | ; |
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95 | ;--------------------------------------------------- |
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96 | ; DATA MASK PREPROCESSING * |
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97 | ;--------------------------------------------------- |
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98 | ; |
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99 | printf, 40, '' |
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100 | printf, 40, 'IV- Data mask preprocessing' |
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101 | printf, 40, '===========================' |
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102 | ; |
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103 | IF keyword_set(negmask) THEN BEGIN |
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104 | mask = abs(temporary(mask)) |
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105 | printf, 40, 'Taking the abs of mask (-1 --> +1)' |
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106 | ENDIF |
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107 | IF keyword_set(nreverse) THEN BEGIN |
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108 | mask = reverse(mask, 2) |
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109 | printf, 40, 'Re-arranging mask in latitudes : North-South --> South-North' |
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110 | ENDIF |
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111 | ind = where(mask NE 0 AND mask NE 1) |
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112 | IF n_elements(ind) NE 1 THEN BEGIN |
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113 | printf, 40, '' |
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114 | printf, 40, '************************************************************' |
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115 | printf, 40, '* ERROR: data mask file must contain ONLY 0 and 1 values!! *' |
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116 | printf, 40, '************************************************************' |
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117 | printf, 40, '' |
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118 | printf, 40, 'program stops' |
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119 | stop |
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120 | ENDIF |
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121 | IF keyword_set(invmask) THEN BEGIN |
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122 | mask = inv_mask(mask) |
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123 | printf, 40, 'Giving value = 1 to mask on ocean points ' |
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124 | ENDIF |
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125 | IF keyword_set(extend) THEN BEGIN |
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126 | mask = preproc_mask(mask) |
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127 | printf, 40, 'Extending mask over one point on ocean points ' |
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128 | ENDIF |
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129 | |
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130 | |
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131 | ; mask = double(mask) |
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132 | |
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133 | ; |
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134 | ;--------------------------------------------------- |
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135 | ; INTERPOLATION * |
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136 | ;--------------------------------------------------- |
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137 | ; |
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138 | printf, 40, '' |
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139 | printf, 40, 'V- Interpolation' |
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140 | printf, 40, '================' |
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141 | ; |
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142 | ; 0. Creating output file and storing attributes |
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143 | ; ============================================== |
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144 | ; |
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145 | IF keyword_set(nscal) THEN BEGIN |
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146 | printf, 40, '' |
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147 | printf, 40, ' V-1- Writing attributes of interpolated field to files' |
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148 | printf, 40, ' ------------------------------------------------------' |
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149 | ; |
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150 | ; ... x-component of interpolated field |
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151 | printf, 40, '' |
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152 | printf, 40, 'Writing attributes of x-component of interpolated field' |
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153 | ncdf_varget, nummsh, mask_u_name, umask, count = [jpioce, jpjoce, jpkoce, 1] |
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154 | netcdf_output, mask_u_name, umask, data_u_name, lon_u, lat_u, outputfile_x, $ |
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155 | title_x, long_x_name, POINT = "u", $ |
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156 | numout_u, varid_u, numdta_u |
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157 | ; ... y-component of interpolated field |
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158 | printf, 40, '' |
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159 | printf, 40, 'Writing attributes of y-component of interpolated field' |
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160 | ncdf_varget, nummsh, mask_v_name, vmask, count = [jpioce, jpjoce, jpkoce, 1] |
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161 | netcdf_output, mask_v_name, vmask, data_v_name, lon_v, lat_v, outputfile_y, $ |
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162 | title_y, long_y_name, POINT = "v", $ |
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163 | numout_v, varid_v, numdta_v |
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164 | ENDIF ELSE BEGIN |
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165 | printf, 40, '' |
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166 | printf, 40, ' V-1- Writing attributes of interpolated field to file' |
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167 | printf, 40, ' -----------------------------------------------------' |
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168 | ; |
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169 | ncdf_varget, nummsh, mask_t_name, tmask, count = [jpioce, jpjoce, jpkoce, 1] |
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170 | netcdf_output, mask_t_name, tmask, data_name, lon_t, lat_t, outputfile, $ |
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171 | title, long_name, POINT = "t", $ |
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172 | numout, varid, numdta |
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173 | ENDELSE |
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174 | |
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175 | |
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176 | ; |
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177 | ; 1. Interpolation |
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178 | ; ================ |
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179 | ; |
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180 | printf, 40, '' |
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181 | printf, 40, ' V-2- Interpolating, correcting and writing field(s)' |
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182 | printf, 40, ' ---------------------------------------------------' |
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183 | printf, 40, '' |
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184 | printf, 40, ' **** ENTERING TEMPORAL LOOP ****' |
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185 | ; |
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186 | ; BEGINNING OF TIME LOOP |
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187 | ; |
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188 | IF keyword_set(nscal) THEN BEGIN |
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189 | mi_u = 1.e20 |
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190 | ma_u = -1.e20 |
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191 | mi_v = 1.e20 |
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192 | ma_v = -1.e20 |
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193 | ENDIF ELSE BEGIN |
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194 | mi = 1.e20 |
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195 | ma = -1.e20 |
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196 | ENDELSE |
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197 | |
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198 | |
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199 | FOR t = nit000-1, nitend-1 DO BEGIN |
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200 | tempsun4 = systime(1) ; pour key_performance |
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201 | printf, 40, '' |
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202 | printf, 40, ' ***>> TIME ITERATION NUMBER :', t+1 |
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203 | IF keyword_set(ndim) THEN BEGIN |
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204 | interp, numdta, data_name,1, mask, t, lon_t, lat_t, phi_input, zresul |
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205 | ENDIF ELSE BEGIN |
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206 | IF keyword_set(nscal) THEN BEGIN |
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207 | printf, 40, 'A vectorial field has been chosen for interpolation' |
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208 | IF keyword_set(north_pole) THEN BEGIN |
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209 | printf, 40, 'Vectorial Fied will be Tested for Coherence nearby North Pole' |
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210 | ENDIF |
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211 | printf, 40, '' |
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212 | printf, 40, 'interpolating ', data_u_name, ' at u-point and v-point ' |
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213 | interp, numdta_u, data_u_name,1, mask, t, lon_u, lat_u, phi_input_u, zresul_uu |
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214 | interp, numdta_u, data_u_name,1, mask, t, lon_v, lat_v, phi_input_u, zresul_uv |
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215 | printf, 40, 'interpolating ', data_v_name, ' at v-point and u-point ' |
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216 | interp, numdta_v, data_v_name,1 ,mask, t, lon_v, lat_v, phi_input_v, zresul_vv |
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217 | interp, numdta_v, data_v_name,1,mask, t, lon_u, lat_u, phi_input_v, zresul_vu |
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218 | ENDIF ELSE BEGIN |
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219 | printf, 40, '' |
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220 | printf, 40, 'interpolating ', data_name, ' at t-point' |
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221 | interp, numdta, data_name, 1,mask, t, lon_t, lat_t, phi_input, zresul |
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222 | ENDELSE |
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223 | ENDELSE |
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224 | |
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225 | |
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226 | |
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227 | ; |
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228 | ; 2. Angles correction for 2D fields |
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229 | ; ================================== |
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230 | ; |
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231 | IF keyword_set(nscal) THEN BEGIN |
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232 | printf, 40, '' |
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233 | printf, 40, ' angles correction' |
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234 | ; |
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235 | tempsun2 = systime(1) ; pour key_performance |
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236 | correc_angle, zresul_uu, zresul_uv, zresul_vv, zresul_vu, zresul_u, zresul_v |
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237 | if keyword_set(key_performance) THEN print, 'temps angles', systime(1)-tempsun2 |
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238 | IF t MOD ndraw EQ 0 AND keyword_set(keydraw) THEN BEGIN |
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239 | ncdf_varget, numdta_u, data_u_name, zdata_u, $ |
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240 | count = [jpiatm, jpjatm, 1], offset = [0, 0, t] |
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241 | ncdf_varget, numdta_v, data_v_name, zdata_v, $ |
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242 | count = [jpiatm, jpjatm, 1], offset = [0, 0, t] |
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243 | zdata_u = zdata_u*scale_factor + add_offset |
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244 | zdata_v = zdata_v*scale_factor + add_offset |
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245 | IF keyword_set(nreverse) THEN zdata_u = reverse(zdata_u, 2) |
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246 | IF keyword_set(nreverse) THEN zdata_v = reverse(zdata_v, 2) |
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247 | zu = zdata_u |
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248 | zv = zdata_v |
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249 | IF keyword_set(nmiss) THEN BEGIN |
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250 | ind = where(abs(zu) GE missing_val) |
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251 | zu(ind) = 0. |
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252 | ind = where(abs(zv) GE missing_val) |
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253 | zv(ind) = 0. |
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254 | ENDIF |
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255 | ind = where(mask NE 0.) |
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256 | minu = min(zu(ind)) |
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257 | maxu = max(zu(ind)) |
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258 | minv = min(zv(ind)) |
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259 | maxv = max(zv(ind)) |
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260 | IF keyword_set(key_ps) THEN $ |
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261 | openps, string('control_corrected_winds_iteration_', strtrim(t+1, 2), '.ps') |
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262 | draw, zdata_u, lonatm, latatm, jpiatm, jpjatm, 2, 1, 2, $ |
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263 | TITLE = data_u_name+' data, iteration = '+strtrim(t+1,1), minu, maxu, /land |
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264 | draw, zdata_v, lonatm, latatm, jpiatm, jpjatm, 2, 2, 2, $ |
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265 | TITLE = data_v_name+' data, iteration = '+strtrim(t+1,1), minv, maxv, /land |
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266 | draw, zresul_u, lon_f, lat_f, jpioce, jpjoce, 2, 3, 2, $ |
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267 | TITLE = data_u_name+' interpolated, iteration = '+strtrim(t+1,1), minu, maxu, /land |
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268 | draw, zresul_v, lon_f, lat_f, jpioce, jpjoce, 2, 4, 2, $ |
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269 | TITLE = data_v_name+' interpolated, iteration = '+strtrim(t+1,1), minv, maxv, /land |
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270 | IF keyword_set(key_ps) THEN BEGIN |
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271 | closeps |
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272 | ENDIF ELSE BEGIN |
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273 | print, 'Press return to continue' |
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274 | zxc = strarr(1) |
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275 | read, zxc |
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276 | ENDELSE |
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277 | ENDIF |
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278 | ENDIF |
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279 | |
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280 | ; |
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281 | ; 3. NetCDF output to file of interpolated field |
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282 | ; ============================================== |
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283 | ; |
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284 | tempsun3 = systime(1) ; pour key_performance |
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285 | IF keyword_set(nscal) THEN BEGIN |
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286 | printf, 40, '' |
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287 | printf, 40, 'Storing components of interpolated field' |
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288 | |
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289 | |
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290 | ncdf_varput, numout_u, varid_u, zresul_u, offset = [0, 0, 0, t-nit000+1] |
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291 | ind = where(abs(zresul_u) LT 1.e10) |
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292 | IF ind[0] NE -1 THEN BEGIN |
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293 | IF min(zresul_u) LT mi_u THEN mi_u = min(zresul_u[ind]) |
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294 | IF max(zresul_u) GT ma_u THEN ma_u = max(zresul_u[ind]) |
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295 | ENDIF ELSE BEGIN |
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296 | mi_u = missing_val |
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297 | ma_u = missing_val |
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298 | ENDELSE |
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299 | |
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300 | ncdf_varput, numout_v, varid_v, zresul_v, offset = [0, 0, 0, t-nit000+1] |
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301 | ind = where(abs(zresul_v) LT 1.e10) |
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302 | IF ind[0] NE -1 THEN BEGIN |
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303 | IF min(zresul_v) LT mi_v THEN mi_v = min(zresul_v[ind]) |
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304 | IF max(zresul_v) GT ma_v THEN ma_v = max(zresul_v[ind]) |
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305 | ENDIF ELSE BEGIN |
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306 | mi_v = missing_val |
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307 | ma_v = missing_val |
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308 | ENDELSE |
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309 | ENDIF ELSE BEGIN |
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310 | printf, 40, '' |
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311 | printf, 40, 'Storing field' |
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312 | |
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313 | ncdf_varput, numout, varid, zresul, offset = [0, 0, 0, t-nit000+1] |
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314 | ind = where(abs(zresul) LT 1.e10) |
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315 | IF min(zresul) LT mi THEN mi = min(zresul[ind]) |
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316 | IF max(zresul) GT ma THEN ma = max(zresul[ind]) |
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317 | ENDELSE |
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318 | if keyword_set(key_performance) THEN print, 'temps ecriture variable', systime(1)-tempsun3 |
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319 | if keyword_set(key_performance) THEN printf, 40, 'temps ecriture variable', systime(1)-tempsun3 |
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320 | if keyword_set(key_performance) THEN print, 'temps boucle', systime(1)-tempsun4 |
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321 | if keyword_set(key_performance) THEN printf, 40, 'temps boucle', systime(1)-tempsun4 |
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322 | ENDFOR |
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323 | ; |
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324 | ; END OF TIME LOOP |
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325 | ; |
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326 | printf, 40, '' |
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327 | printf, 40, '**** END OF TEMPORAL LOOP ****' |
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328 | ; |
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329 | printf, 40, '' |
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330 | printf, 40, 'Closing files' |
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331 | ; |
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332 | ; storing min and max in attributes |
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333 | ; |
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334 | IF keyword_set(nscal) THEN BEGIN |
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335 | ncdf_control, numout_u, /redef |
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336 | ncdf_control, numout_v, /redef |
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337 | ncdf_attput, numout_u, varid_u, "valid_min", mi_u |
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338 | ncdf_attput, numout_u, varid_u, "valid_max", ma_u |
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339 | ncdf_attput, numout_v, varid_v, "valid_min", mi_v |
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340 | ncdf_attput, numout_v, varid_v, "valid_max", ma_v |
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341 | ENDIF ELSE BEGIN |
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342 | ncdf_control, numout, /redef |
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343 | ncdf_attput, numout, varid, "valid_min", mi |
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344 | ncdf_attput, numout, varid, "valid_max", ma |
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345 | ENDELSE |
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346 | IF keyword_set(key_mask) THEN ncdf_close, nummsk |
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347 | IF keyword_set(nscal) THEN BEGIN |
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348 | ncdf_close, numdta_u |
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349 | ncdf_close, numdta_v |
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350 | ncdf_close, numout_u |
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351 | ncdf_close, numout_v |
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352 | ENDIF ELSE BEGIN |
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353 | ncdf_close, numout |
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354 | ncdf_close, numdta |
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355 | ENDELSE |
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356 | ncdf_close, nummsh |
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357 | ; |
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358 | printf, 40, '' |
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359 | printf, 40, '*******************************************' |
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360 | printf, 40, '* END OF INTERPOLATION PROGRAM *' |
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361 | printf, 40, '*******************************************' |
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362 | ; |
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363 | close, 40 |
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364 | if keyword_set(key_performance) THEN print, 'temps total', systime(1)-tempsun |
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365 | if keyword_set(key_performance) THEN printf,40, 'temps total', systime(1)-tempsun |
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366 | ; |
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367 | return |
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368 | END |
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