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[ferret_users] Descriptive file problem
- To: ferret_users@xxxxxxxx
- Subject: [ferret_users] Descriptive file problem
- From: Samrat Rao <samrat.rao@xxxxxxxxx>
- Date: Tue, 21 Oct 2008 16:44:09 +0530
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Hi,
I am using Ferret v6.1. I am trying to make a descriptive file where each dataset has monthly mean values and hence has only a single time step. The trouble is that i am unable to read in more than 8 months from the start. The descriptive file has the following entries:
&FORMAT_RECORD
D_TYPE = ' MC',
D_FORMAT = ' 1A',
D_SOURCE_CLASS = 'model output'
/
&BACKGROUND_RECORD
D_EXPNUM = 'xyz'
D_MODNUM = ' ',
D_TITLE = 'xyz',
D_T0TIME = '01-Sep-0000 00:00'
D_TIME_UNIT = 86400.0,
D_CALTYPE = 'noleap',
D_TIME_MODULO = .false.,
/
&MESSAGE_RECORD
D_MESSAGE = ' ',
D_ALERT_ON_OPEN = t,
D_ALERT_ON_OUTPUT = f,
/
&EXTRA_RECORD
/
&STEPFILE_RECORD
S_FILENAME = 'dset1.nc',
S_AUX_SET_NUM = 0,
S_START = 30.0,
S_END = 30.0,
S_DELTA = 1,
S_NUM_OF_FILES = 1,
/
&STEPFILE_RECORD
S_FILENAME = 'dset2.nc',
S_AUX_SET_NUM = 0,
S_START = 61.0,
S_END = 61.0,
S_DELTA = 1,
S_NUM_OF_FILES = 1,
/
...and so on...till,
&STEPFILE_RECORD
s_filename = '**END OF STEPFILES**'
/
On using the descriptive file, i get the error:
FILL var1
**ERROR: illegal limits: VAR1 does not contain T=01-SEP-0000
Data are available in L = 1:-236
CONTOUR/FILL var1
Command file, command group, or REPEAT execution aborted
The SHOW DATA command lists the time axis for the time dependent variables as 1:-236. How is this possible? If i use only 7 months of data, i get no error.
If i use other descriptive files that call netCDF files having daily data, i again get no such problems. Please suggest a solution.
--
Thanks in advance,
Samrat Rao
Department of Mechanical Engineering
Indian Institute of Science
Bangalore - 560012, India
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