No data in the cdl file

[Lucien von Gunten <lucien.vongunten@giub.unibe.ch>]

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Message from the ncbrowse mail list.
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Dear all

I have ncBrowse v. 1.6.3, running on a win XP sp3, P4 3GHz, 500MB RAM

My problem is similar to the one posted by 
Christian Ebert (18 Feb 2004 ), but I didn't find 
a solution in the Mail archive.

I want to extract a subset (Southern America, -60 
to +10°N and -80 to -35.5°E) from a large NetCDF 
file (CRU TS 2_1, ca. 1.2 GB, monthly resolved 
Temp (or PP), 0.5°Grid over the whole world, AD1900-2002).

When I want to create a cdl file with data over 
the whole period, no data is stored in the file 
(headers ok, but no data); see example of an cdl 
file below (I have shortened the time, lat, lon output, [cut])

If I only take a period from AD 1920 to 1960, then export works correctly.

I therefore presume that there is a problem when 
one wants to export "too" large subsamples. Does 
anybody have a clue how to resolve that problem?

Thanx in advance
Lucien



***********************************************************************************
netcdf pp {
dimensions:
     time = UNLIMITED ; // (1224 currently)
     lev = 1 ;
     lat = 141 ;
     lon = 89 ;
variables:
   double time(time);
    time:units = "day as %Y%m%d.%f";
   double lev(lev);
    lev:long_name = "generic";
    lev:units = "level";
   double lat(lat);
    lat:long_name = "latitude";
    lat:units = "degrees_north";
    lat:standard_name = "latitude";
   double lon(lon);
    lon:long_name = "longitude";
    lon:units = "degrees_east";
    lon:standard_name = "longitude";
   float pp(time, lev, lat, lon);
    pp:_FillValue = -9.0E33; // float
data:

 time = 1.90101E7, 1.90102E7, 1.90103E7, 1.90104E7, 1.90105E7, 1.90106E7,
   1.90107E7, 1.90108E7, 1.90109E7, 1.9011E7, 1.90111E7, 1.90112E7,
   1.90201E7, 1.90202E7, 1.90203E7, 1.90204E7, 1.90205E7, 1.90206E7,
   1.90207E7, 1.90208E7, 1.90209E7, 1.9021E7, 1.90211E7, 1.90212E7,
   1.90301E7, 1.90302E7, 1.90303E7, 1.90304E7, 1.90305E7, 1.90306E7,
   1.90307E7, [cut]

 lev = 1.0 ;

 lat = -60.0, -59.5, -59.0, -58.5, -58.0, -57.5, -57.0, -56.5, -56.0, -55.5,
   -55.0, -54.5, -54.0, -53.5, -53.0, -52.5, -52.0, -51.5, -51.0, -50.5,
   -50.0, -49.5, [cut]
 lon = -80.0, -79.5, -79.0, -78.5, -78.0, -77.5, -77.0, -76.5, -76.0, -75.5,
   -75.0, -74.5, -74.0, -73.5, -73.0, -72.5, -72.0, -71.5, -71.0, -70.5,
   -70.0, -69.5, [cut]
***************************************************************************************




~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lucien von Gunten
Lake sediment research and paleolimnology
Institute of Geography and Oeschger Centre for Climate Change Research
University of Bern
Erlachstrasse 9a, Trakt 3
CH - 3012 Bern
Switzerland

tel.  +41 31 631 50 92
fax  +41 31 631 51 44
mail <mailto:lucien.vongunten@giub.unibe.ch>lucien.vongunten@giub.unibe.ch
web www.geography.unibe.ch/lenya/giub/live/research/see_en.html  



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