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how to eliminate duplicated z-aixs data?
hi Ferreters,
how I tried to combine two variables from two files into one file, I got duplicated z-aixs information:
yes? set data glb_expt_01_9_3zu.nc
yes? set data glb_expt_01_9_3zv.nc
yes? save/file=myTest.cdf/title="my test"/clobber u_velocity[d=1], v_velocity[d=2]
This is the ncdump -h myTest.cdf:
netcdf myTest {
dimensions:
LONGITUDE = 180 ;
LATITUDE = 67 ;
LATITUDEedges = 68 ;
Z = 33 ;
Zedges = 34 ;
TIME = UNLIMITED ; // (13 currently)
Z1 = 33 ; <-- duplicated with Z
Z1edges = 34 ; <-- duplicated with Z
variables:
double LONGITUDE(LONGITUDE) ;
LONGITUDE:units = "degrees_east" ;
LONGITUDE:modulo = 360. ;
LONGITUDE:point_spacing = "even" ;
LONGITUDE:AXIS = "X" ;
double LATITUDE(LATITUDE) ;
LATITUDE:units = "degrees_north" ;
LATITUDE:point_spacing = "uneven" ;
LATITUDE:AXIS = "Y" ;
LATITUDE:edges = "LATITUDEedges" ;
double LATITUDEedges(LATITUDEedges) ;
LATITUDEedges:edges = " " ;
double Z(Z) ;
Z:units = "m" ;
Z:positive = "down" ;
Z:point_spacing = "uneven" ;
Z:AXIS = "Z" ;
Z:edges = "Zedges" ;
double Zedges(Zedges) ;
Zedges:edges = " " ;
double TIME(TIME) ;
TIME:units = "day since 2001-01-16 00:00:00" ;
TIME:time_origin = "16-JAN-2001 00:00:00" ;
TIME:calendar = "360_DAY" ;
TIME:modulo = " " ;
float U_VELOCITY(TIME, Z, LATITUDE, LONGITUDE) ;
U_VELOCITY:missing_value = 1.267651e+30f ;
U_VELOCITY:_FillValue = 1.267651e+30f ;
U_VELOCITY:long_name = "Velocity U" ;
U_VELOCITY:history = "From glb_expt_01_9_3zu.nc" ;
U_VELOCITY:units = "cm/s" ;
double Z1(Z1) ;
Z1:units = "m" ;
Z1:positive = "down" ;
Z1:point_spacing = "uneven" ;
Z1:AXIS = "Z" ;
Z1:edges = "Z1edges" ;
double Z1edges(Z1edges) ;
Z1edges:edges = " " ;
float V_VELOCITY(TIME, Z1, LATITUDE, LONGITUDE) ;
V_VELOCITY:missing_value = 1.267651e+30f ;
V_VELOCITY:_FillValue = 1.267651e+30f ;
V_VELOCITY:long_name = "Velocity V" ;
V_VELOCITY:history = "From glb_expt_01_9_3zv.nc" ;
V_VELOCITY:units = "cm/s" ;
// global attributes:
:history = "FERRET V5.50 22-May-03" ;
:title = "myTest" ;
}
Anyone can tell how to eliminate the duplication?
Thanks
--
(Bob) Yunyue YU
Code 971, Goddard Space Flight Center
Greenbelt, MD 20771
(301)614-6850 yuy@nemo.gsfc.nasa.gov
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