I've got the Thredds Data Server installed and I'm trying to use it
to subset a 3D grid (depth, latitude, longitude) large netcdf file.
The netcdf file was generated by a third parties software, and is
probably not compliant with anything. As subset of its schema is shown below.
If I rename some coordinate variables, I should be able to make it
compliant with some convention. My question is how do I most
efficiently extract a 3D subset? I want to extract a subset of depth
as well as a subset of longitude and latitude.
Any ideas would be most appreciated.
Thank you.
Eric.
netcdf d7110.subvol {
dimensions:
TIMESTEP = 1 ;
LONGITUDE_T = 481 ;
LATITUDE_T = 241 ;
LONGITUDE_U = 481 ;
LATITUDE_U = 241 ;
DEPTH = 66 ;
DEPTH_EDGES = 67 ;
variables:
int TIMESTEP(TIMESTEP) ;
TIMESTEP:long_name = "Timestep" ;
float LONGITUDE_T(LONGITUDE_T) ;
LONGITUDE_T:long_name = "Longitude" ;
LONGITUDE_T:units = "degrees" ;
LONGITUDE_T:Format = "F10.4" ;
float LATITUDE_T(LATITUDE_T) ;
LATITUDE_T:long_name = "Latitude" ;
LATITUDE_T:units = "degrees" ;
LATITUDE_T:Format = "F10.4" ;
float DEPTH(DEPTH) ;
DEPTH:long_name = "Depth" ;
DEPTH:units = "cm" ;
DEPTH:Format = "F5.2" ;
DEPTH:positive = "down" ;
DEPTH:edges = "DEPTH_EDGES" ;
float POTENTIAL_TEMPERATURE__MEAN_(DEPTH, LATITUDE_T, LONGITUDE_T) ;
POTENTIAL_TEMPERATURE__MEAN_:long_name = "potential
temperature
(mean)" ;
POTENTIAL_TEMPERATURE__MEAN_:units = "C" ;
POTENTIAL_TEMPERATURE__MEAN_:_FillValue = 0.f ;
POTENTIAL_TEMPERATURE__MEAN_:LEVEL = 0 ;
POTENTIAL_TEMPERATURE__MEAN_:T_GRID = -1 ;
....
}
**********************************************
Eric Davies, M.Sc.
Barrodale Computing Services Ltd.
Tel: (250) 472-4372 Fax: (250) 472-4373
Web: http://www.barrodale.com
Email: eric@xxxxxxxxxxxxx
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Mailing Address:
P.O. Box 3075 STN CSC
Victoria BC Canada V8W 3W2
Shipping Address:
Hut R, McKenzie Avenue
University of Victoria
Victoria BC Canada V8W 3W2
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