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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello team.<o:p></o:p></p><p class=MsoNormal>I am using RTOFS current files using OPeNDAP. My script is:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>*open data file (need to specify correct file) <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'sdfopen http://nomads.ncep.noaa.gov:9090/dods/rtofs/rtofs_global20130908/rtofs_glo_2ds_nowcast_daily_prog'<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>* save local copy<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'set t 1 last'<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'set x 1 4320'<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'set y 1 2160'<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'define u = u_velocity'<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'set sdfwrite u_curr.nc'<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'sdfwrite u'<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'define v = v_velocity'<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>'set sdfwrite v_curr.nc'</span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-family:"Courier New"'>'sdfwrite v'<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This saves a NetCDF file which I can open using ‘sdfopen’ and has the correct parameters and variable (‘u’). <o:p></o:p></p><p class=MsoNormal>However when I try to plot the variable I receive the error:<o:p></o:p></p><p class=MsoNormal>‘Cannot contour grid – all undefined values’<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Most grateful for any guidance.<o:p></o:p></p><p class=MsoNormal>Huw<o:p></o:p></p></div></body></html>