<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Dear All,</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">I have a problem to read netCDF data with <b class="">365_day_calendar & rotated_latitude_longitude grid mapping.</b></div><div class=""><b class=""><br class=""></b></div><div class="">I downloaded the data from esgf German dkrz portal, it’s the release data of RCA4 model in SMHI for Cordex Africa domain.<div class=""><br class=""></div><div class="">As I know, a descriptor file is needed to read this netcdf file. I am using GrADS Version 2.0.2 on Mac OS 10.10.2.</div><div class=""><br class=""></div>That’s the first descriptor file I have ever write.</div><div class=""><b class=""><br class=""></b></div><div class=""><span class="" style="font-family: 'Lucida Grande';">===================================================</span></div><div class=""><span class="" style="font-family: 'Lucida Grande';"><div class="">dset ^tas_AFR-44_MOHC-HadGEM2-ES_historical_r1i1p1_SMHI-RCA4_v1_mon_200101-200512.nc</div><div class="">dtype netcdf</div><div class="">undef 1.e+20_FillValue</div><div class="">options 365_day_calendar</div><div class="">pdef 201 194 ROTLLR -180 90 0.44 0.44 -24.64 -45.76</div><div class="">xdef 194 linear -24.64 0.44</div><div class="">ydef 201 linear -45.76 0.44</div><div class="">zdef 1 levels 1000.0</div><div class="">tdef 60 linear 12Z16jan2001 1mo</div><div class="">vars 4</div><div class="">time=>t 0 t time (kjk)</div><div class="">rlon=>xlon 0 y,x longitude (degrees_east)</div><div class="">rlat=>xlat 0 y,x latitude (degrees_north)</div><div class="">tas=>tas 0 t,y,x Near-Surface Air Temperature (K)</div><div class="">endvars</div><div class="">===================================================</div></span></div><div class=""><b class="">it doesn’t works.</b></div><div class=""><b class=""><br class=""></b></div><div class=""><b class="">Following is the information from ncdump -c command:</b></div><div class=""><br class=""></div><div class=""><div class="">[☃ 16:04 ~/climate/CORDEX/hist/HadGEM2-ES]>> ncdump -c tas_AFR-44_MOHC-HadGEM2-ES_historical_r1i1p1_SMHI-RCA4_v1_mon_200101-200512.nc</div><div class="">netcdf tas_AFR-44_MOHC-HadGEM2-ES_historical_r1i1p1_SMHI-RCA4_v1_mon_200101-200512 {</div><div class="">dimensions:</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time = UNLIMITED ; // (60 currently)</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>bnds = 2 ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlon = 194 ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlat = 201 ;</div><div class="">variables:</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>double time(time) ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time:axis = "T" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time:bounds = "time_bnds" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time:calendar = "360_day" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time:long_name = "time" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time:standard_name = "time" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time:units = "days since 1949-12-01 00:00:00" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>double lon(rlat, rlon) ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>lon:standard_name = "longitude" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>lon:long_name = "longitude" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>lon:units = "degrees_east" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>double lat(rlat, rlon) ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>lat:standard_name = "latitude" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>lat:long_name = "latitude" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>lat:units = "degrees_north" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>double time_bnds(time, bnds) ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time_bnds:units = "days since 1949-12-01 00:00:00" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>time_bnds:calendar = "360_day" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>float tas(time, rlat, rlon) ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:standard_name = "air_temperature" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:long_name = "Near-Surface Air Temperature" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:units = "K" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:coordinates = "lon lat height" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:_FillValue = 1.e+20f ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:cell_methods = "time: mean" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:grid_mapping = "rotated_pole" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>tas:missing_value = 1.e+20f ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>double rlon(rlon) ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlon:standard_name = "grid_longitude" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlon:long_name = "longitude in rotated pole grid" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlon:units = "degrees" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlon:axis = "X" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>double rlat(rlat) ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlat:standard_name = "grid_latitude" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlat:long_name = "latitude in rotated pole grid" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlat:units = "degrees" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rlat:axis = "Y" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>char rotated_pole ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rotated_pole:grid_mapping_name = "rotated_latitude_longitude" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rotated_pole:grid_north_pole_latitude = 90. ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>rotated_pole:grid_north_pole_longitude = -180. ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>double height ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>height:axis = "Z" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>height:long_name = "height" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>height:positive = "up" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>height:standard_name = "height" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>height:units = "m" ;</div><div class=""><br class=""></div><div class="">// global attributes:</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:Conventions = "CF-1.4" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:institution = "Swedish Meteorological and Hydrological Institute, Rossby Centre" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:contact = "<a href="mailto:rossby.cordex@smhi.se" class="">rossby.cordex@smhi.se</a>" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:creation_date = "2012-08-03-T15:42:05Z" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:experiment = "historical" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:experiment_id = "historical" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:driving_experiment = "MOHC-HadGEM2-ES, historical, r1i1p1" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:driving_model_id = "MOHC-HadGEM2-ES" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:driving_model_ensemble_member = "r1i1p1" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:driving_experiment_name = "historical" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:frequency = "mon" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:institute_id = "SMHI" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:model_id = "SMHI-RCA4" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:rcm_version_id = "v1" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:project_id = "CORDEX" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:CORDEX_domain = "AFR-44" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:product = "output" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:references = "<a href="http://www.smhi.se/en/Research/Research-departments/climate-research-rossby-centre" class="">http://www.smhi.se/en/Research/Research-departments/climate-research-rossby-centre</a>" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:tracking_id = "d2bf2be1-6f30-41af-8d4b-b71a839ab358" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:rossby_comment = "201113: CORDEX Africa 0.44 deg | RCA4 v1 | MOHC-HadGEM2-ES | r1i1p1 | historical | L40" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:rossby_run_id = "201113" ;</div><div class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>:rossby_grib_path = "/nobackup/rossby15/rossby/joint_exp/cordex/201113/raw/" ;</div><div class="">data:</div><div class=""><br class=""></div><div class=""> time = 18405, 18435, 18465, 18495, 18525, 18555, 18585, 18615, 18645, 18675,</div><div class=""> 18705, 18735, 18765, 18795, 18825, 18855, 18885, 18915, 18945, 18975,</div><div class=""> 19005, 19035, 19065, 19095, 19125, 19155, 19185, 19215, 19245, 19275,</div><div class=""> 19305, 19335, 19365, 19395, 19425, 19455, 19485, 19515, 19545, 19575,</div><div class=""> 19605, 19635, 19665, 19695, 19725, 19755, 19785, 19815, 19845, 19875,</div><div class=""> 19905, 19935, 19965, 19995, 20025, 20055, 20085, 20115, 20145, 20175 ;</div><div class=""><br class=""></div><div class=""> rlon = -24.64, -24.2, -23.76, -23.32, -22.88, -22.44, -22, -21.56, -21.12,</div><div class=""> -20.68, -20.24, -19.8, -19.36, -18.92, -18.48, -18.04, -17.6, -17.16,</div><div class=""> -16.72, -16.28, -15.84, -15.4, -14.96, -14.52, -14.08, -13.64, -13.2,</div><div class=""> -12.76, -12.32, -11.88, -11.44, -11, -10.56, -10.12, -9.68, -9.24, -8.8,</div><div class=""> -8.36, -7.92, -7.48, -7.04, -6.6, -6.16, -5.72, -5.28, -4.84, -4.4,</div><div class=""> -3.96, -3.52, -3.08, -2.64, -2.2, -1.76, -1.32, -0.879999999999999,</div><div class=""> -0.440000000000001, 0, 0.440000000000001, 0.879999999999999, 1.32, 1.76,</div><div class=""> 2.2, 2.64, 3.08, 3.52, 3.96, 4.4, 4.84, 5.28, 5.72, 6.16, 6.6, 7.04,</div><div class=""> 7.48, 7.92, 8.36, 8.8, 9.24, 9.68, 10.12, 10.56, 11, 11.44, 11.88, 12.32,</div><div class=""> 12.76, 13.2, 13.64, 14.08, 14.52, 14.96, 15.4, 15.84, 16.28, 16.72,</div><div class=""> 17.16, 17.6, 18.04, 18.48, 18.92, 19.36, 19.8, 20.24, 20.68, 21.12,</div><div class=""> 21.56, 22, 22.44, 22.88, 23.32, 23.76, 24.2, 24.64, 25.08, 25.52, 25.96,</div><div class=""> 26.4, 26.84, 27.28, 27.72, 28.16, 28.6, 29.04, 29.48, 29.92, 30.36, 30.8,</div><div class=""> 31.24, 31.68, 32.12, 32.56, 33, 33.44, 33.88, 34.32, 34.76, 35.2, 35.64,</div><div class=""> 36.08, 36.52, 36.96, 37.4, 37.84, 38.28, 38.72, 39.16, 39.6, 40.04,</div><div class=""> 40.48, 40.92, 41.36, 41.8, 42.24, 42.68, 43.12, 43.56, 44, 44.44, 44.88,</div><div class=""> 45.32, 45.76, 46.2, 46.64, 47.08, 47.52, 47.96, 48.4, 48.84, 49.28,</div><div class=""> 49.72, 50.16, 50.6, 51.04, 51.48, 51.92, 52.36, 52.8, 53.24, 53.68,</div><div class=""> 54.12, 54.56, 55, 55.44, 55.88, 56.32, 56.76, 57.2, 57.64, 58.08, 58.52,</div><div class=""> 58.96, 59.4, 59.84, 60.28 ;</div><div class=""><br class=""></div><div class=""> rlat = -45.76, -45.32, -44.88, -44.44, -44, -43.56, -43.12, -42.68, -42.24,</div><div class=""> -41.8, -41.36, -40.92, -40.48, -40.04, -39.6, -39.16, -38.72, -38.28,</div><div class=""> -37.84, -37.4, -36.96, -36.52, -36.08, -35.64, -35.2, -34.76, -34.32,</div><div class=""> -33.88, -33.44, -33, -32.56, -32.12, -31.68, -31.24, -30.8, -30.36,</div><div class=""> -29.92, -29.48, -29.04, -28.6, -28.16, -27.72, -27.28, -26.84, -26.4,</div><div class=""> -25.96, -25.52, -25.08, -24.64, -24.2, -23.76, -23.32, -22.88, -22.44,</div><div class=""> -22, -21.56, -21.12, -20.68, -20.24, -19.8, -19.36, -18.92, -18.48,</div><div class=""> -18.04, -17.6, -17.16, -16.72, -16.28, -15.84, -15.4, -14.96, -14.52,</div><div class=""> -14.08, -13.64, -13.2, -12.76, -12.32, -11.88, -11.44, -11, -10.56,</div><div class=""> -10.12, -9.68, -9.23999999999999, -8.8, -8.36, -7.91999999999999, -7.48,</div><div class=""> -7.04, -6.59999999999999, -6.16, -5.72, -5.28, -4.84, -4.4, -3.96, -3.52,</div><div class=""> -3.08, -2.64, -2.2, -1.76, -1.32, -0.879999999999995, -0.439999999999998,</div><div class=""> 0, 0.440000000000005, 0.880000000000003, 1.32, 1.76000000000001, 2.2,</div><div class=""> 2.64, 3.08000000000001, 3.52, 3.96, 4.40000000000001, 4.84, 5.28, 5.72,</div><div class=""> 6.16, 6.6, 7.04, 7.48, 7.92, 8.36, 8.8, 9.24, 9.68, 10.12, 10.56, 11,</div><div class=""> 11.44, 11.88, 12.32, 12.76, 13.2, 13.64, 14.08, 14.52, 14.96, 15.4,</div><div class=""> 15.84, 16.28, 16.72, 17.16, 17.6, 18.04, 18.48, 18.92, 19.36, 19.8,</div><div class=""> 20.24, 20.68, 21.12, 21.56, 22, 22.44, 22.88, 23.32, 23.76, 24.2, 24.64,</div><div class=""> 25.08, 25.52, 25.96, 26.4, 26.84, 27.28, 27.72, 28.16, 28.6, 29.04,</div><div class=""> 29.48, 29.92, 30.36, 30.8, 31.24, 31.68, 32.12, 32.56, 33, 33.44, 33.88,</div><div class=""> 34.32, 34.76, 35.2, 35.64, 36.08, 36.52, 36.96, 37.4, 37.84, 38.28,</div><div class=""> 38.72, 39.16, 39.6, 40.04, 40.48, 40.92, 41.36, 41.8, 42.24 ;</div><div class="">}</div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><span class="" style="font-family: 'Lucida Grande';">===================================================</span></div><div class=""><span class="" style="font-family: 'Lucida Grande';"><br class=""></span></div><div class=""><font face="Lucida Grande" class="">Could you please help me to correct the descriptor file?</font></div><div class=""><font face="Lucida Grande" class="">And is there any other method to create the descriptor file?</font></div><div class=""><font face="Lucida Grande" class="">Since these data release is follow the CF-1.4 (or later) conventions, they should be easily read by GrADS, right?</font></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Thanks for your attention.</div><div class=""><br class=""></div><br class=""><div class=""><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class="" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><font color="#6666cc" face="Arial" class=""><b class="">Best regards,</b></font></span></span></span></span></span></div><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><font color="#6666cc" face="Arial" class=""><b class="">Chao TANG</b></font></span></span></span></span></span></div><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><i class="" style="color: rgb(102, 102, 204); font-family: Arial, sans-serif; font-size: 13px;">--------------------------------------</i></span></span></span></span></span><i class="" style="color: rgb(102, 102, 204); font-family: Arial, sans-serif; font-size: 13px;">--------------------------------------</i><i class="" style="color: rgb(102, 102, 204); font-family: Arial, sans-serif; font-size: 13px;">---------------------</i></div><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><font color="#6666cc" class=""><span class="" style="font-family: Times;"><span class="" style="font-size: 13px; font-family: Arial, sans-serif;"><b class="">Laboratoire d'Energétique, d'Electronique et Procédés</b> <br class=""><i class="">Unité de Recherche EA 4079</i> </span></span></font></span></span></span></span></span></div></div><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><font color="#6666cc" class="">Université de La Réunion, </font></span></span></span></span></span><span class="" style="color: rgb(102, 102, 204);">LE2P</span></div><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><font color="#6666cc" class="">15 avenue René Cassin </font></span></span></span></span></span><span class="" style="color: rgb(102, 102, 204);">CS 92003</span></div><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><font color="#6666cc" class="">97744 ST DENIS CEDEX 9</font></span></span></span></span></span></div><div class=""><span class="" style="border-collapse: separate;"><font color="#6666cc" class="">Mobile: </font><a href="mailto:secretariat.le2p@univ-reunion.fr" target="_blank" class="" style="font-family: Arial, sans-serif; font-size: 13px; color: rgb(224, 101, 24); text-decoration: none;">0693 91 57 38</a><font color="#6666cc" class=""><br class=""><font face="Arial, sans-serif" class="">Courriel:</font><font face="Arial, sans-serif" class=""> </font></font><a href="mailto:secretariat.le2p@univ-reunion.fr" target="_blank" class="" style="font-family: Arial, sans-serif; font-size: 13px; color: rgb(224, 101, 24); text-decoration: none;">chao.tang@univ-reunion.fr </a></span></div><div class=""><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><span class="" style="border-collapse: separate;"><i class="" style="color: rgb(102, 102, 204); font-family: Arial, sans-serif; font-size: 13px;">--------------------------------------</i></span></span></span></span></span><i class="" style="color: rgb(102, 102, 204); font-family: Arial, sans-serif; font-size: 13px;">--------------------------------------</i><i class="" style="color: rgb(102, 102, 204); font-family: Arial, sans-serif; font-size: 13px;">---------------------</i></div></div></div></div></div></div>
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