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file conflicts
I've never encountered this using Ferret, so I'm wondering if anyone
else has. Using v5.22 on IRIX6.5 and linux.
Two files (attached) are identical with the exception of the time values
and the filename. Ferret seems to be confusing the time and assigns the
time values from the 1st file to the second file. If I open the files
separately, ferret gets the time values correct. This problem does not
duplicate in v4.91.
------------------------------------------------------------------------
use file1.nc ! 1981 data
use file2.nc ! 1982 data
list t[d=1,g=temp]
axis TIME
DATA SET: ./file1.nc
16-JAN-1981 12 / 1: 747.
15-FEB-1981 00 / 2: 776.
16-MAR-1981 12 / 3: 806.
16-APR-1981 00 / 4: 836.
16-MAY-1981 12 / 5: 867.
16-JUN-1981 00 / 6: 897.
16-JUL-1981 12 / 7: 928.
16-AUG-1981 12 / 8: 959.
16-SEP-1981 00 / 9: 989.
16-OCT-1981 12 / 10: 1020.
16-NOV-1981 00 / 11: 1050.
16-DEC-1981 12 / 12: 1081.
list t[d=2,g=temp]
axis TIME
DATA SET: ./file2.nc
16-JAN-1981 12 / 1: 747.
15-FEB-1981 00 / 2: 776.
16-MAR-1981 12 / 3: 806.
16-APR-1981 00 / 4: 836.
16-MAY-1981 12 / 5: 867.
16-JUN-1981 00 / 6: 897.
16-JUL-1981 12 / 7: 928.
16-AUG-1981 12 / 8: 959. !!! should be 1982 dates
16-SEP-1981 00 / 9: 989.
16-OCT-1981 12 / 10: 1020.
16-NOV-1981 00 / 11: 1050.
16-DEC-1981 12 / 12: 1081.
--
Matthew J. Harrison GFDL
Physical Scientist P.O. Box 308
NOAA Geophysical Fluid Dynamics Laboratory Princeton, NJ
08542
----------------------------------------------------------------------------
e-mail: mjh@gfdl.gov
Tel: (609)452-6579
Fax: (609)987-5063
http address: http://www.gfdl.gov/~mjh
netcdf file1 {
dimensions:
lat = 90 ;
level = 17 ;
lon = 144 ;
time = UNLIMITED ; // (12 currently)
variables:
float lat(lat) ;
lat:long_name = "latitude" ;
lat:cartesian_axis = "Y" ;
lat:units = "degrees_N" ;
lat:edges = "latb" ;
float level(level) ;
level:long_name = "pressure" ;
level:cartesian_axis = "Z" ;
level:units = "hPa" ;
float lon(lon) ;
lon:long_name = "longitude" ;
lon:cartesian_axis = "X" ;
lon:units = "degrees_E" ;
lon:edges = "lonb" ;
short temp(time, level, lat, lon) ;
temp:long_name = "temperature" ;
temp:units = "deg_k" ;
temp:valid_range = -32750s, 32750s ;
temp:missing_value = -32751s ;
temp:scale_factor = 0.004580152f ;
temp:add_offset = 250.f ;
temp:time_avg_info = "average_T1,average_T2,average_DT" ;
double time(time) ;
time:long_name = "time" ;
time:cartesian_axis = "T" ;
time:units = "days since 1979-01-01 00:00:00" ;
time:calendar_type = "JULIAN" ;
// global attributes:
:filename = "1981feb01h00.land_month.nc" ;
:MPP_IO_VERSION = "$Id: mpp_io.F90,v 5.5 2000/07/28 20:17:19 fms Exp $" ;
:title = "Diagnostics from an FMS integration" ;
:history = "Tue Jan 30 14:11:14 2001: ncks -v temp file1.nc out.nc" ;
data:
lat = -89, -87, -85, -83, -81, -79, -77, -75, -73, -71, -69, -67, -65, -63,
-61, -59, -57, -55, -53, -51, -49, -47, -45, -43, -41, -39, -37, -35,
-33, -31, -29, -27, -25, -23, -21, -19, -17, -15, -13, -11, -9, -7, -5,
-3, -1, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33,
35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69,
71, 73, 75, 77, 79, 81, 83, 85, 87, 89 ;
level = 1000, 925, 850, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50,
30, 20, 10 ;
lon = 1.25, 3.75, 6.25, 8.75, 11.25, 13.75, 16.25, 18.75, 21.25, 23.75,
26.25, 28.75, 31.25, 33.75, 36.25, 38.75, 41.25, 43.75, 46.25, 48.75,
51.25, 53.75, 56.25, 58.75, 61.25, 63.75, 66.25, 68.75, 71.25, 73.75,
76.25, 78.75, 81.25, 83.75, 86.25, 88.75, 91.25, 93.75, 96.25, 98.75,
101.25, 103.75, 106.25, 108.75, 111.25, 113.75, 116.25, 118.75, 121.25,
123.75, 126.25, 128.75, 131.25, 133.75, 136.25, 138.75, 141.25, 143.75,
146.25, 148.75, 151.25, 153.75, 156.25, 158.75, 161.25, 163.75, 166.25,
168.75, 171.25, 173.75, 176.25, 178.75, 181.25, 183.75, 186.25, 188.75,
191.25, 193.75, 196.25, 198.75, 201.25, 203.75, 206.25, 208.75, 211.25,
213.75, 216.25, 218.75, 221.25, 223.75, 226.25, 228.75, 231.25, 233.75,
236.25, 238.75, 241.25, 243.75, 246.25, 248.75, 251.25, 253.75, 256.25,
258.75, 261.25, 263.75, 266.25, 268.75, 271.25, 273.75, 276.25, 278.75,
281.25, 283.75, 286.25, 288.75, 291.25, 293.75, 296.25, 298.75, 301.25,
303.75, 306.25, 308.75, 311.25, 313.75, 316.25, 318.75, 321.25, 323.75,
326.25, 328.75, 331.25, 333.75, 336.25, 338.75, 341.25, 343.75, 346.25,
348.75, 351.25, 353.75, 356.25, 358.75 ;
time = 746.5, 776, 805.5, 836, 866.5, 897, 927.5, 958.5, 989, 1019.5, 1050,
1080.5 ;
}
netcdf file2 {
dimensions:
lat = 90 ;
level = 17 ;
lon = 144 ;
time = UNLIMITED ; // (12 currently)
variables:
float lat(lat) ;
lat:long_name = "latitude" ;
lat:cartesian_axis = "Y" ;
lat:units = "degrees_N" ;
lat:edges = "latb" ;
float level(level) ;
level:long_name = "pressure" ;
level:cartesian_axis = "Z" ;
level:units = "hPa" ;
float lon(lon) ;
lon:long_name = "longitude" ;
lon:cartesian_axis = "X" ;
lon:units = "degrees_E" ;
lon:edges = "lonb" ;
short temp(time, level, lat, lon) ;
temp:long_name = "temperature" ;
temp:units = "deg_k" ;
temp:valid_range = -32750s, 32750s ;
temp:missing_value = -32751s ;
temp:scale_factor = 0.004580152f ;
temp:add_offset = 250.f ;
temp:time_avg_info = "average_T1,average_T2,average_DT" ;
double time(time) ;
time:long_name = "time" ;
time:cartesian_axis = "T" ;
time:units = "days since 1979-01-01 00:00:00" ;
time:calendar_type = "JULIAN" ;
// global attributes:
:filename = "1982feb01h00.land_month.nc" ;
:MPP_IO_VERSION = "$Id: mpp_io.F90,v 5.5 2000/07/28 20:17:19 fms Exp $" ;
:title = "Diagnostics from an FMS integration" ;
:history = "Tue Jan 30 14:11:34 2001: ncks -v temp file2.nc out.nc" ;
data:
lat = -89, -87, -85, -83, -81, -79, -77, -75, -73, -71, -69, -67, -65, -63,
-61, -59, -57, -55, -53, -51, -49, -47, -45, -43, -41, -39, -37, -35,
-33, -31, -29, -27, -25, -23, -21, -19, -17, -15, -13, -11, -9, -7, -5,
-3, -1, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33,
35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69,
71, 73, 75, 77, 79, 81, 83, 85, 87, 89 ;
level = 1000, 925, 850, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50,
30, 20, 10 ;
lon = 1.25, 3.75, 6.25, 8.75, 11.25, 13.75, 16.25, 18.75, 21.25, 23.75,
26.25, 28.75, 31.25, 33.75, 36.25, 38.75, 41.25, 43.75, 46.25, 48.75,
51.25, 53.75, 56.25, 58.75, 61.25, 63.75, 66.25, 68.75, 71.25, 73.75,
76.25, 78.75, 81.25, 83.75, 86.25, 88.75, 91.25, 93.75, 96.25, 98.75,
101.25, 103.75, 106.25, 108.75, 111.25, 113.75, 116.25, 118.75, 121.25,
123.75, 126.25, 128.75, 131.25, 133.75, 136.25, 138.75, 141.25, 143.75,
146.25, 148.75, 151.25, 153.75, 156.25, 158.75, 161.25, 163.75, 166.25,
168.75, 171.25, 173.75, 176.25, 178.75, 181.25, 183.75, 186.25, 188.75,
191.25, 193.75, 196.25, 198.75, 201.25, 203.75, 206.25, 208.75, 211.25,
213.75, 216.25, 218.75, 221.25, 223.75, 226.25, 228.75, 231.25, 233.75,
236.25, 238.75, 241.25, 243.75, 246.25, 248.75, 251.25, 253.75, 256.25,
258.75, 261.25, 263.75, 266.25, 268.75, 271.25, 273.75, 276.25, 278.75,
281.25, 283.75, 286.25, 288.75, 291.25, 293.75, 296.25, 298.75, 301.25,
303.75, 306.25, 308.75, 311.25, 313.75, 316.25, 318.75, 321.25, 323.75,
326.25, 328.75, 331.25, 333.75, 336.25, 338.75, 341.25, 343.75, 346.25,
348.75, 351.25, 353.75, 356.25, 358.75 ;
time = 1111.5, 1141, 1170.5, 1201, 1231.5, 1262, 1292.5, 1323.5, 1354,
1384.5, 1415, 1445.5 ;
}
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