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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
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I've placed a copy of a file getting the same error at: http://fuelberg.met.fsu.edu/pub/wsession/idv_test.nc This file contains two versions of the extinction 3D field - one using an arbitrary vertical height coordinate and one using the correct model sigma coordinates. Attempting to plot a 3D isosurface with the sigma version produces the error. Cheers, WS >>On 6/10/2010 12:56 PM, wsession@xxxxxxxxxxx wrote: >> When I attempt to create a 3D isosurface, I get the following error: >> >> Couldn't get data >> SampledSet.init_samples: sample#2 length 1620000 doesn't match expected >> length 1624500 >> >> The netcdf file is a lat/lon grid (-179.5-179.5 W/E, -89.5-89.5 S/N 1x1 >> deg) with 25 vertical sigma levels. The 3D fields I'm interested in are >> pressure and extinction (sigma x lat x lon). The file opens fine in >> NCVIEW, NCL, and IDL, so this may be a CF standards issue. >> >> IDV 2.8u1 on RH Linux. >> >> Here is the ncdump header information for the file, if this helps: >> >> netcdf farop { >> dimensions: >> lon = 360 ; >> lat = 180 ; >> sigma = 25 ; >> variables: >> float longitude(lon) ; >> longitude:long_name = "longitude" ; >> longitude:standard_name = "longitude" ; >> longitude:units = "degrees_east" ; >> float latitude(lat) ; >> latitude:long_name = "latitude" ; >> latitude:standard_name = "latitude" ; >> latitude:units = "degrees_north" ; >> float pressure(sigma, lat, lon) ; >> pressure:long_name = "pressure" ; >> pressure:units = "hPa" ; >> pressure:positive = "down" ; >> pressure:standard_name = "air_pressure" ; >> float surface_pressure(lat, lon) ; >> surface_pressure:long_name = "surface pressure" ; >> surface_pressure:units = "hPa" ; >> surface_pressure:coordinates = "longitude latitude" ; >> float aerosol_extinction(sigma, lat, lon) ; >> aerosol_extinction:long_name = "aerosol extinction" ; >> aerosol_extinction:units = "1/m" ; >> aerosol_extinction:coordinates = "pressure longitude >> latitude" ; >> float ptop ; >> ptop:long_name = "pressure at top of model" ; >> ptop:units = "hPa" ; >> float sigma(sigma) ; >> sigma:long_name = "sigma at layer midpoints" ; >> sigma:standard_name = "atmosphere_sigma_coordinate" ; >> sigma:formula_terms = "sigma: sigma ps: surface_pressure >> ptop: ptop" ; >> >> // global attributes: >> :Conventions = "CF-1.0" ; >> } >> >> >> _______________________________________________ >> idvusers mailing list >> idvusers@xxxxxxxxxxxxxxxx >> For list information, to unsubscribe, visit: http://www.unidata.ucar.edu/mailing_lists/ >> > >Hi: > >Can you put the file on an HTTP or FTP server so we can download? thanks > >John > > > ------------------------------
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