1 | ;+ |
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2 | ; |
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3 | ; .. _interp_olr_30n30s_1989_2009.pro: |
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4 | ; |
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5 | ; =============================== |
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6 | ; interp_olr_30n30s_1989_2009.pro |
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7 | ; =============================== |
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8 | ; |
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9 | ; DESCRIPTION |
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10 | ; =========== |
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11 | ; |
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12 | ; Interpolation of OLR to OAFLUX grid |
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13 | ; |
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14 | ; :file:`${PROJECT_ID}/olr.day.mean.nc` |
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15 | ; have been produced by |
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16 | ; :ref:`get_olr.sh` |
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17 | ; |
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18 | ; :file:`${PROJECT_ID}/mask_oaflux_30N30S.nc` containing OAFLUX grid |
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19 | ; have been produced by |
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20 | ; :ref:`oaflux_mask_30N30S.pro`. |
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21 | ; |
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22 | ; Interpolated OLR is written in |
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23 | ; :file:`${PROJECT_OD}/${PROJECT_OD}/olr_oafluxgrid_30n30s_19890101_20091231.nc` |
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24 | ; if this file not already exists. |
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25 | ; |
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26 | ; This output file will be used by |
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27 | ; :ref:`TropFlux_swr_NRT_19890101_20091231.pro`. |
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28 | ; |
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29 | ; .. graphviz:: |
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30 | ; |
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31 | ; digraph interp_olr_30n30s_1989_2009{ |
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32 | ; |
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33 | ; file_in [shape=ellipse,fontname=Courier,label="${PROJECT_ID}/olr.day.mean_new.nc"]; |
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34 | ; mask [shape=ellipse,fontname=Courier,label="${PROJECT_ID}/mask_oaflux_30N30S.nc"]; |
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35 | ; file_out [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/olr_oafluxgrid_30n30s_19890101_20091231.nc"]; |
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36 | ; |
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37 | ; interp_olr_30n30s_1989_2009 [shape=box, |
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38 | ; fontname=Courier, |
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39 | ; color=blue, |
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40 | ; URL="http://forge.ipsl.jussieu.fr/tropflux/browser/trunk/src/interp_olr_30n30s_1989_2009.pro", |
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41 | ; label="${PROJECT}/src/interp_olr_30n30s_1989_2009.pro"]; |
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42 | ; |
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43 | ; {file_in mask} -> {interp_olr_30n30s_1989_2009} -> {file_out} |
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44 | ; |
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45 | ; } |
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46 | ; |
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47 | ; SEE ALSO |
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48 | ; ======== |
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49 | ; |
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50 | ; :ref:`project_profile.sh` |
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51 | ; |
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52 | ; :ref:`interpolate_data` |
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53 | ; |
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54 | ; :ref:`data_in_olr`, :ref:`get_olr.sh` |
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55 | ; |
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56 | ; :func:`report <saxo:report>` |
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57 | ; :func:`isadirectory <saxo:isadirectory>` |
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58 | ; :func:`isafile <saxo:isafile>` |
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59 | ; :func:`initncdf <saxo:initncdf>` |
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60 | ; :func:`read_ncdf <saxo:read_ncdf>` |
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61 | ; :func:`domdef <saxo:domdef>` |
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62 | ; :func:`call_interp2d <saxo:call_interp2d>` |
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63 | ; :func:`ncdf_quickwrite <saxo:ncdf_quickwrite>` |
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64 | ; |
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65 | ; EXAMPLES |
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66 | ; ======== |
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67 | ; |
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68 | ; :: |
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69 | ; |
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70 | ; IDL> .compile file_interp |
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71 | ; IDL> interp_olr_30n30s_1989_2009 |
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72 | ; |
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73 | ; TODO |
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74 | ; ==== |
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75 | ; |
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76 | ; how can we avoid this message :: |
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77 | ; |
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78 | ; % initncdf: the zaxis was not found..., check the use of ZAXISNAME keyword if you want to find one... |
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79 | ; |
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80 | ; I think we do not need any zaxis |
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81 | ; |
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82 | ; strange second value (1) in the file produced on cratos idl 7 20110812:: |
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83 | ; |
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84 | ; $ ncdump $PROJECT_OD/olr_oafluxgrid_30n30s_19890101_20091231.nc |
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85 | ; olr = |
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86 | ; 1e+20, 1, 258.15, 264.882, 271.614, 273.8116, 271.4748, 269.138, 266.6868, |
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87 | ; |
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88 | ; coding rules |
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89 | ; |
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90 | ; check OUTMASK_IND and SET_OUTMSKVAL added to call_interp2d call |
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91 | ; |
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92 | ; pb with mixing interpolated and uninterpolated OLR data |
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93 | ; check if the input file is the right one (interpolated with get_olr.sh vs non interpolated with get_olr_int.sh) |
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94 | ; |
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95 | ; uninterpolated OLR is more timely |
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96 | ; |
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97 | ; cf. pk and jv to solve this issue |
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98 | ; |
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99 | ; KNOWN ISSUES |
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100 | ; ============ |
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101 | ; |
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102 | ; test of existence of fullfilename_msk not very efficient because |
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103 | ; MUST_EXIST keyword of :func:`isafile <saxo:isafile>` not yet implemented |
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104 | ; |
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105 | ; EVOLUTIONS |
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106 | ; ========== |
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107 | ; |
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108 | ; $Id$ |
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109 | ; |
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110 | ; $URL$ |
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111 | ; |
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112 | ; - fplod 20110812T084449Z aedon.locean-ipsl.upmc.fr (Darwin) |
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113 | ; |
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114 | ; * remove new from filename |
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115 | ; * usage of $PROJECT_ID and $PROJECT_OD |
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116 | ; * add OUTMASK_IND and SET_OUTMSKVAL to call_interp2d call |
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117 | ; * complete description |
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118 | ; |
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119 | ; - fplod 20101217T140745Z aedon.locean-ipsl.upmc.fr (Darwin) |
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120 | ; |
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121 | ; * remove hard coded directory for mask_oaflux_30N30S.nc |
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122 | ; |
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123 | ; - fplod 20101215T113118Z aedon.locean-ipsl.upmc.fr (Darwin) |
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124 | ; |
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125 | ; * add graph in header |
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126 | ; |
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127 | ; - fplod 20101214T093615Z aedon.locean-ipsl.upmc.fr (Darwin) |
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128 | ; |
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129 | ; * minimal header |
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130 | ; |
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131 | ; - pbk 2008 |
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132 | ; |
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133 | ; * creation |
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134 | ; |
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135 | ;- |
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136 | pro interp_olr_30n30s_1989_2009 |
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137 | ; |
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138 | @cm_4cal |
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139 | @cm_4data |
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140 | @cm_4mesh |
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141 | @cm_4data |
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142 | @cm_project |
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143 | ; |
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144 | ; check for input directory |
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145 | ; |
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146 | ; test if ${PROJECT_ID} defined |
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147 | CASE project_id_env OF |
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148 | '' : BEGIN |
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149 | msg = 'eee : ${PROJECT_ID} is not defined' |
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150 | ras = report(msg) |
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151 | STOP |
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152 | END |
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153 | ELSE: BEGIN |
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154 | msg = 'iii : ${PROJECT_ID} is ' + project_id_env |
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155 | ras = report(msg) |
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156 | END |
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157 | ENDCASE |
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158 | ; |
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159 | iodirin = isadirectory(project_id_env) |
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160 | ; |
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161 | ; existence and protection of ${PROJECT_ID} |
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162 | IF (FILE_TEST(iodirin, /DIRECTORY, /EXECUTABLE, /READ) EQ 0) THEN BEGIN |
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163 | msg = 'eee : the directory' + iodirin + ' is not accessible.' |
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164 | ras = report(msg) |
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165 | STOP |
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166 | ENDIF |
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167 | ; |
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168 | ; build mask filename |
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169 | filename_msk='mask_oaflux_30N30S.nc' |
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170 | ; |
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171 | ; check if this file exists |
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172 | msg='iii : looking for ' + filename_msk |
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173 | ras = report(msg) |
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174 | fullfilename_msk = isafile(iodirin + filename_msk, NEW=0, /MUST_EXIST) |
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175 | IF fullfilename_msk[0] EQ '' THEN BEGIN |
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176 | msg = 'eee : the file ' + fullfilename_msk + ' was not found.' |
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177 | ras = report(msg) |
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178 | STOP |
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179 | ENDIF |
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180 | ; |
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181 | ; build data filename |
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182 | filename='olr.day.mean.nc' |
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183 | ; |
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184 | ; check if this file exists |
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185 | msg='iii : looking for ' + filename |
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186 | ras = report(msg) |
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187 | fullfilename = isafile(iodirin + filename, NEW=0, /MUST_EXIST) |
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188 | IF fullfilename[0] EQ '' THEN BEGIN |
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189 | msg = 'eee : the file ' + fullfilename + ' was not found.' |
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190 | ras = report(msg) |
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191 | STOP |
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192 | ENDIF |
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193 | ; |
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194 | ; test if ${PROJECT_OD} defined |
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195 | CASE project_od_env OF |
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196 | '' : BEGIN |
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197 | msg = 'eee : ${PROJECT_OD} is not defined' |
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198 | ras = report(msg) |
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199 | STOP |
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200 | END |
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201 | ELSE: BEGIN |
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202 | msg = 'iii : ${PROJECT_OD} is ' + project_od_env |
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203 | ras = report(msg) |
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204 | END |
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205 | ENDCASE |
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206 | ; |
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207 | ; check if output data will be possible |
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208 | iodirout = isadirectory(project_od_env) |
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209 | ; |
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210 | ; existence and protection |
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211 | IF (FILE_TEST(iodirout, /DIRECTORY, /WRITE) EQ 0) THEN BEGIN |
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212 | msg = 'eee : the directory' + iodirout + ' was not found.' |
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213 | ras = report(msg) |
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214 | STOP |
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215 | ENDIF |
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216 | ; |
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217 | ; build output filename |
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218 | filename_out = 'olr_oafluxgrid_30n30s_19890101_20091231.nc' |
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219 | fullfilename_out = iodirout + filename_out |
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220 | ; in order to avoid unexpected overwritten |
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221 | IF (FILE_TEST(fullfilename_out) EQ 1) THEN BEGIN |
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222 | msg = 'eee : the file ' + fullfilename_out + ' already exists.' |
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223 | ras = report(msg) |
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224 | STOP |
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225 | ENDIF |
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226 | ; |
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227 | initncdf, fullfilename |
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228 | domdef |
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229 | latin=reform(gphit(0,*)) & lonin=reform(glamt(*,0)) |
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230 | print, 'lat grid ',min(latin),max(latin),latin(1)-latin(0) |
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231 | print, 'lon grid ',min(lonin),max(lonin),lonin(1)-lonin(0) |
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232 | olrin=read_ncdf("olr",19881231, 20091231, file=fullfilename,/nostr) |
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233 | |
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234 | mskin=glamt*0.+1. |
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235 | |
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236 | timein=time & jptin=jpt |
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237 | |
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238 | initncdf, fullfilename_msk |
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239 | domdef |
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240 | latout=reform(gphit(0,*)) & lonout=reform(glamt(*,0)) |
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241 | print, 'lat grid ',min(latout),max(latout),latout(1)-latout(0) |
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242 | print, 'lon grid ',min(lonout),max(lonout),lonout(1)-lonout(0) |
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243 | mskout=read_ncdf("msk", file=fullfilename_msk,/nostr) |
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244 | |
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245 | help, olrin,lonin,latin,mskin,lonout,latout,mskout |
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246 | |
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247 | olrout=fltarr(jpi,jpj,jptin) |
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248 | |
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249 | for jt=0,jptin-1 do begin |
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250 | |
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251 | print, 'Interpolation jt=',jt,' / ',jptin-1 |
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252 | tab_olr=reform(olrin(*,*,jt)) |
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253 | |
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254 | olrout(*,*,jt)=call_interp2d(tab_olr,lonin,latin,mskin $ |
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255 | , lonout,latout,method='bilinear' $ |
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256 | , OUTMASK_IND=mskout, SET_OUTMSKVAL=mskout) |
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257 | olrout(*,*,jt)=olrout(*,*,jt)*mskout+(1.-mskout)*1.e20 |
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258 | |
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259 | endfor |
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260 | |
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261 | |
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262 | timein=timein & jptin=jpt |
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263 | |
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264 | timein=timein-julday(1,1,1950,00,00) |
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265 | |
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266 | lat=latout |
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267 | lon=lonout |
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268 | ncfile='!' + fullfilename_out |
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269 | lon_attr={units:'degrees_east',long_name:'Longitude'} |
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270 | lat_attr={units:'degrees_north',long_name:'Latitude'} |
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271 | time_attr={units:'days since 1950-01-01 00:00:00',long_name:'Time axis',time_origin:' 1950-JAN-01 00:00:00'} |
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272 | olr_attr={units:'w/m^2',missing_value:1e20,long_name:'Outgoing Longwave Radiation',short_name:'olr',axis:'TYX'} |
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273 | olra_attr={units:'w/m^2',missing_value:1e20,long_name:'Outgoing Longwave Radiation Anomaly',short_name:'olra',axis:'TYX'} |
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274 | globattr={source:'NOAA OLR, cf http://www.cdc.noaa.gov/cdc/data.interp_OLR.html, interpolated to 1x1 degree grid and with oaflux mask'} |
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275 | |
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276 | ncfields = 'olr[longitude,latitude,time]=olrout:olr_attr; ' $ |
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277 | + 'longitude[]=lon:lon_attr; ' $ |
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278 | + 'latitude[]=lat:lat_attr; ' $ |
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279 | + 'time[*time]=timein:time_attr ' $ |
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280 | + ' @ globattr' |
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281 | |
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282 | @ncdf_quickwrite |
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283 | |
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284 | end |
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