1 | ;+ |
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2 | ; |
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3 | ; @file_comments |
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4 | ; produce cond_sed_<orcares>.nc or Br_<orcares>.nc |
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5 | ; dependent on orcares and variable parameters |
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6 | ; |
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7 | ; @categories |
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8 | ; output, netcdf |
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9 | ; |
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10 | ; @param orcares {in}{required}{type=string} |
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11 | ; code of ORCA grid to use for output results |
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12 | ; must be 'ORCA2' or 'ORCA025' |
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13 | ; |
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14 | ; @param variable {in}{required}{type=structure return by NCDF_VARINQ} |
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15 | ; { NAME:"", DATATYPE:"", NDIMS:0L, NATTS:0L, DIM:LONARR(NDIMS) } |
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16 | ; variable of condmag.nc to be written |
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17 | ; variable.NAME must be 'cond_sed' or 'Br' |
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18 | ; |
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19 | ; @param title {in}{required}{type=string} |
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20 | ; title must belong_name 'Conductance' or 'Magnetic_field' ++ |
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21 | ; |
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22 | ; @param long_name {in}{required}{type=string} |
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23 | ; long_name must be 'Conductance' or 'magnetic_field' ++ |
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24 | ; |
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25 | ; @param units {in}{required}{type=string} |
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26 | ; units must be 'siemens' or 'tesla' |
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27 | ; |
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28 | ; @param jpio {in}{required}{type=integer} |
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29 | ; x dimension of the 3d array to be written |
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30 | ; must be greater than 1 |
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31 | ; |
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32 | ; @param jpjo {in}{required}{type=integer} |
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33 | ; y dimension of the 3d array to be written |
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34 | ; must be greater than 1 |
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35 | ; |
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36 | ; @param olon {in}{required}{type=1d array of floats} |
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37 | ; x++ longitude values |
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38 | ; must be ++ |
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39 | ; |
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40 | ; @param olat {in}{required}{type=1d array of floats} |
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41 | ; x++ latitude values |
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42 | ; must be ++ |
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43 | ; |
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44 | ; @param values {in}{required}{type=nd array of variable.DATATYPE} |
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45 | ; values of the variable to be written |
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46 | ; ++ must be |
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47 | ; |
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48 | ; @restrictions |
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49 | ; - Requires SAXO tools |
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50 | ; |
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51 | ; @todo |
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52 | ; produce a NetCDF GDT or CF compliant |
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53 | ; check if jpio and jpjo are not present in some "common" after getgridparam |
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54 | ; in order to remove them from parameters |
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55 | ; |
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56 | ; @pre |
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57 | ; reading of condmag.nc |
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58 | ; see condmag_on_orca.pro |
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59 | ; |
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60 | ; @post |
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61 | ; cond_sed_<I>orcasres</I>.nc is now present in ${GEOMAG_OD}/ |
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62 | ; or |
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63 | ; Br_<I>orcasres</I>.nc is now present in ${GEOMAG_OD}/ |
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64 | ; see geomag_env.sh |
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65 | ; |
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66 | ; @examples |
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67 | ; IDL> .run condmag_on_orca |
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68 | ; IDL> condmag_output, 'ORCA2', 'cond_sed', 'Conductance', 'Conductance', 'siemens', jpio, jpjo, olon, olat, values |
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69 | ; |
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70 | ; @history |
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71 | ; reee522 2006-12-13T11:44:19Z rhodes (IRIX64) |
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72 | ; add attributes in parameters list |
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73 | ; reee522 2006-11-28T14:07:32Z rhodes (IRIX64) |
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74 | ; written from current release of condmag_on_orca.pro |
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75 | ; |
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76 | ; @version |
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77 | ; $Id$ |
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78 | ; |
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79 | ;- |
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80 | PRO condmag_output, orcares, variable, title, long_name, units, jpio, jpjo, olon, olat, values |
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81 | ; |
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82 | compile_opt idl2, strictarrsubs |
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83 | ; |
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84 | ;---- |
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85 | ; check input parameters |
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86 | ;---- |
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87 | ; |
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88 | ; check orcares definition |
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89 | ; |
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90 | CASE orcares OF |
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91 | 'ORCA2': BEGIN |
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92 | msg = 'iii : valid orcares parameter = ' + orcares |
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93 | ras = report(msg) |
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94 | END |
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95 | 'ORCA025': BEGIN |
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96 | msg = 'iii : valid orcares parameter = ' + orcares |
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97 | ras = report(msg) |
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98 | END |
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99 | ELSE : BEGIN |
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100 | msg = 'eee : invalid orcares parameter = ' + orcares |
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101 | ras = report(msg) |
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102 | msg = 'eee : orcares must be ORCA2 or ORCA025' |
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103 | ras = report(msg) |
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104 | RETURN |
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105 | END |
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106 | ENDCASE |
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107 | ; |
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108 | ; check variable definition |
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109 | ; ++ dimension etc. |
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110 | CASE variable.NAME OF |
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111 | 'cond_sed': BEGIN |
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112 | msg = 'iii : valid variable.NAME parameter = ' + variable.NAME |
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113 | ras = report(msg) |
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114 | CASE title OF |
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115 | 'Conductance': BEGIN |
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116 | msg = 'iii : valid title parameter = ' + title |
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117 | ras = report(msg) |
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118 | END |
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119 | ELSE : BEGIN |
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120 | msg = 'eee : invalid title parameter = ' + title |
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121 | ras = report(msg) |
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122 | msg = 'eee : title must be Conductance' |
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123 | ras = report(msg) |
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124 | RETURN |
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125 | END |
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126 | ENDCASE |
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127 | CASE long_name OF |
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128 | 'Conductance': BEGIN |
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129 | msg = 'iii : valid long_name parameter = ' + long_name |
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130 | ras = report(msg) |
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131 | END |
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132 | ELSE : BEGIN |
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133 | msg = 'eee : invalid long_name parameter = ' + long_name |
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134 | ras = report(msg) |
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135 | msg = 'eee : long_name must be Conductance' |
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136 | ras = report(msg) |
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137 | RETURN |
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138 | END |
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139 | ENDCASE |
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140 | CASE units OF |
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141 | 'siemens': BEGIN |
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142 | msg = 'iii : valid units parameter = ' + units |
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143 | ras = report(msg) |
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144 | END |
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145 | ELSE : BEGIN |
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146 | msg = 'eee : invalid units parameter = ' + units |
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147 | ras = report(msg) |
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148 | msg = 'eee : units must be siemens' |
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149 | ras = report(msg) |
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150 | RETURN |
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151 | END |
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152 | ENDCASE |
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153 | END |
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154 | 'Br' : BEGIN |
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155 | msg = 'iii : valid variable.NAME parameter = ' + variable.NAME |
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156 | ras = report(msg) |
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157 | CASE title OF |
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158 | 'Magnetic field': BEGIN |
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159 | msg = 'iii : valid title parameter = ' + title |
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160 | ras = report(msg) |
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161 | END |
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162 | ELSE : BEGIN |
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163 | msg = 'eee : invalid title parameter = ' + title |
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164 | ras = report(msg) |
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165 | msg = 'eee : title must be Magnetic field' |
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166 | ras = report(msg) |
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167 | RETURN |
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168 | END |
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169 | ENDCASE |
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170 | CASE long_name OF |
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171 | 'magnetic field': BEGIN |
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172 | msg = 'iii : valid long_name parameter = ' + long_name |
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173 | ras = report(msg) |
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174 | END |
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175 | ELSE : BEGIN |
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176 | msg = 'eee : invalid long_name parameter = ' + long_name |
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177 | ras = report(msg) |
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178 | msg = 'eee : long_name must be magnetic field' |
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179 | ras = report(msg) |
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180 | RETURN |
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181 | END |
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182 | ENDCASE |
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183 | CASE units OF |
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184 | 'tesla': BEGIN |
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185 | msg = 'iii : valid units parameter = ' + units |
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186 | ras = report(msg) |
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187 | END |
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188 | ELSE : BEGIN |
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189 | msg = 'eee : invalid units parameter = ' + units |
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190 | ras = report(msg) |
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191 | msg = 'eee : units must be tesla' |
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192 | ras = report(msg) |
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193 | RETURN |
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194 | END |
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195 | ENDCASE |
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196 | END |
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197 | ELSE : BEGIN |
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198 | msg = 'eee : invalid variable.NAME parameter = ' + variable.NAME |
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199 | ras = report(msg) |
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200 | msg = 'eee : variable.NAME must be cond_sed or Br' |
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201 | ras = report(msg) |
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202 | RETURN |
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203 | END |
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204 | ENDCASE |
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205 | ; |
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206 | ; check jpio |
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207 | IF (jpio LT 1) THEN BEGIN |
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208 | msg = ' eee : invalid jpio parameter = ' + STRING(jpio) |
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209 | ras = report(msg) |
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210 | msg = ' eee : jpio must be greater or equal to 1' |
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211 | ras = report(msg) |
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212 | RETURN |
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213 | ENDIF ELSE BEGIN |
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214 | msg = 'iii : valid jpio parameter = ' + STRING(jpio) |
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215 | ras = report(msg) |
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216 | ENDELSE |
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217 | ; |
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218 | ; check jpjo |
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219 | IF (jpjo LT 1) THEN BEGIN |
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220 | msg = ' eee : invalid jpjo parameter = ' + STRING(jpjo) |
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221 | ras = report(msg) |
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222 | msg = ' eee : jpjo must be greater or equal to 1' |
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223 | ras = report(msg) |
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224 | RETURN |
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225 | ENDIF ELSE BEGIN |
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226 | msg = 'iii : valid jpjo parameter = ' + STRING(jpjo) |
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227 | ras = report(msg) |
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228 | ENDELSE |
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229 | ; |
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230 | ; check olon ++ what to check |
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231 | ; when decided reproduce with olat ++ |
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232 | IF (N_ELEMENTS(olon) NE jpio*jpjo) THEN BEGIN |
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233 | msg = ' eee : invalid nb of elements of olon parameter = ' + STRING(N_ELEMENTS(olon)) |
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234 | ras = report(msg) |
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235 | msg = ' eee : nb of elements of olon must be equal to jpio*jpjo = ' + STRING(jpio*jpjo) |
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236 | ras = report(msg) |
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237 | RETURN |
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238 | ENDIF ELSE BEGIN |
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239 | msg = 'iii : valid nb of elements olon parameter' |
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240 | ras = report(msg) |
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241 | ENDELSE |
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242 | ; |
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243 | ; check values ++ |
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244 | ; test if ${GEOMAG_OD} defined |
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245 | geomag_od_env=GETENV('GEOMAG_OD') |
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246 | CASE geomag_od_env OF |
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247 | '' : BEGIN |
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248 | msg = 'eee : ${GEOMAG_OD} is not defined' |
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249 | ras = report(msg) |
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250 | RETURN |
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251 | END |
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252 | ELSE : BEGIN |
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253 | msg = 'iii : ${GEOMAG_OD} is ' + geomag_od_env |
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254 | ras = report(msg) |
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255 | END |
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256 | ENDCASE |
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257 | ; |
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258 | ; check if output data will be possible |
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259 | iodirout = isadirectory(geomag_od_env) |
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260 | ; |
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261 | ; existence and protection |
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262 | IF (FILE_TEST(iodirout, /DIRECTORY,/WRITE) EQ 0) THEN BEGIN |
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263 | msg = 'eee : the directory' + iodirout + ' was not found.' |
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264 | ras = report(msg) |
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265 | RETURN |
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266 | ENDIF |
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267 | ; |
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268 | ; build output filenames |
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269 | filename = variable.NAME + '_' + orcares +'.nc' |
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270 | fullfilename = iodirout + filename |
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271 | ; |
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272 | ; in order to avoid unexpected overwritten |
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273 | IF (FILE_TEST(fullfilename) EQ 1) THEN BEGIN |
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274 | msg = 'eee : the file ' + fullfilename + ' already exists.' |
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275 | ras = report(msg) |
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276 | RETURN |
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277 | ENDIF |
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278 | ; |
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279 | ; d'aprÚs ncdump -h /usr/work/sur/fvi/OPA/geomag/condmag.nc |
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280 | ; ces lignes n'ont rien a faire la ++ ces information devrait etre en parameter |
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281 | condmaglonname = 'lo' |
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282 | condmaglatname = 'la' |
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283 | varname = variable.NAME |
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284 | ; |
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285 | ;--------------------------- |
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286 | ; Creation of the NetCdf output file |
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287 | ;--------------------------- |
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288 | ; |
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289 | netcdf_id = NCDF_CREATE(fullfilename, /clobber) |
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290 | NCDF_CONTROL, netcdf_id, /NOFILL |
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291 | ; |
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292 | ; dimension |
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293 | dimidx = NCDF_DIMDEF(netcdf_id, 'x' , jpio) |
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294 | dimidy = NCDF_DIMDEF(netcdf_id, 'y' , jpjo) |
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295 | dimidt = NCDF_DIMDEF(netcdf_id, 'lo', /UNLIMITED) |
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296 | ; |
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297 | ; global attributes |
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298 | NCDF_ATTPUT, netcdf_id, 'Conventions', 'GDT 1.2', /GLOBAL ; ++ conformite |
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299 | NCDF_ATTPUT, netcdf_id, 'file_name' , filename, /GLOBAL |
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300 | NCDF_ATTPUT, netcdf_id, 'Title' , title, /GLOBAL |
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301 | ; |
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302 | ; declaration of variables |
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303 | ; 4 common variables for the two files to produce |
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304 | varid = lonarr(4) |
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305 | ; |
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306 | varid[0] = NCDF_VARDEF(netcdf_id, 'nav_lon' , [dimidx, dimidy], /FLOAT) |
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307 | NCDF_ATTPUT, netcdf_id, varid[0], 'units' , 'degrees_east' |
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308 | NCDF_ATTPUT, netcdf_id, varid[0], 'valid_min', min(olon, max = omax), /FLOAT |
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309 | NCDF_ATTPUT, netcdf_id, varid[0], 'valid_max', omax, /FLOAT |
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310 | NCDF_ATTPUT, netcdf_id, varid[0], 'long_name', 'Longitude at t-point' |
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311 | ; |
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312 | varid[1] = NCDF_VARDEF(netcdf_id, 'nav_lat' , [dimidx, dimidy], /FLOAT) |
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313 | NCDF_ATTPUT, netcdf_id, varid[1], 'units' , 'degrees_north' |
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314 | NCDF_ATTPUT, netcdf_id, varid[1], 'valid_min', min(olat, max = omax), /FLOAT |
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315 | NCDF_ATTPUT, netcdf_id, varid[1], 'valid_max', omax, /FLOAT |
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316 | NCDF_ATTPUT, netcdf_id, varid[1], 'long_name', 'Latitude at t-point' |
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317 | ; |
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318 | varid[2] = NCDF_VARDEF(netcdf_id, 'time' , [dimidt], /FLOAT) |
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319 | ; |
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320 | varid[3] = NCDF_VARDEF(netcdf_id, varname, [dimidx, dimidy, dimidt], /FLOAT) |
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321 | NCDF_ATTPUT, netcdf_id, varid[3], 'long_name', long_name |
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322 | NCDF_ATTPUT, netcdf_id, varid[3], 'units', units |
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323 | ; pour min et max, il faut avoir lu la variable ... cf. plus bas ++ |
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324 | ; donc pour l'instant on les met à valeur manquante |
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325 | NCDF_ATTPUT, netcdf_id, varid[3], 'valid_min', !VALUES.F_NAN, /FLOAT |
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326 | NCDF_ATTPUT, netcdf_id, varid[3], 'valid_max', !VALUES.F_NAN, /FLOAT |
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327 | ; |
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328 | ;--------------------------- |
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329 | ; end of header definition, writing of the NetCdf files |
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330 | ;--------------------------- |
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331 | ; |
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332 | NCDF_CONTROL, netcdf_id, /ENDEF |
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333 | ; |
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334 | NCDF_VARPUT, netcdf_id, 'nav_lon', olon |
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335 | NCDF_VARPUT, netcdf_id, 'nav_lat', olat |
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336 | NCDF_VARPUT, netcdf_id, varid[2], FLOAT(0.5) ; ++ c'est quoi cette valeur |
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337 | ; |
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338 | ; compute min max |
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339 | minarr = min(values, max = maxarr) |
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340 | ; |
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341 | ; put back the masked value |
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342 | ;++ IF bad[0] NE -1 THEN values[TEMPORARY(bad)] = 32767 |
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343 | ; |
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344 | ; write the data |
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345 | NCDF_VARPUT, netcdf_id, varname, values, COUNT = [jpio, jpjo, 1], OFFSET = [0, 0, 0] |
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346 | ; |
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347 | ; update min max attributes |
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348 | NCDF_CONTROL, netcdf_id, /REDEF |
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349 | NCDF_ATTPUT, netcdf_id, varid[3], 'valid_min', minarr, /FLOAT |
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350 | NCDF_ATTPUT, netcdf_id, varid[3], 'valid_max', maxarr, /FLOAT |
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351 | NCDF_CONTROL, netcdf_id, /ENDEF |
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352 | ; |
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353 | ; close the netcdf files |
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354 | NCDF_CLOSE, netcdf_id |
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355 | ; |
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356 | msg = 'iii : ' + fullfilename + ' created' |
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357 | ras = report(msg) |
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358 | END |
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