the local file is working ok for me as a gridded file in idv 2.9. i only see
one data field:
float aerosol_extinction(time=2, height=25, lat=180, lon=360);
:long_name = "aerosol extinction";
:units = "1/km";
:coordinates = "altitude longitude latitude";
im not sure how you generate the error.
wsession@xxxxxxxxxxx wrote:
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" ;
}
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Hi:
Can you put the file on an HTTP or FTP server so we can download? thanks
John
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