HDF files

[Andreea Ira]

Oh i am sorry, of course ...The error now is this:



udunits(3): syntax error:
1 = data available, 127 = no data available
   ^
udunits(3): syntax error:
1 = data available, 127 = no data available
   ^
udunits(3): syntax error:
1 = data available, 127 = no data available
   ^
udunits(3): syntax error:
1 = data available, 127 = no data available
   ^
udunits(3): syntax error:
1 = data available, 127 = no data available
   ^
udunits(3): syntax error:
1 = data available, 127 = no data available
   ^
Alleged lon dimension (from YDEF) is not an SDF
dimension.  Cannot continue.
Lon dimension name is:
2_5_deg__regional_colat__zones
.
Alleged lat dimension (from XDEF) is not an SDF
dimension.  Cannot continue.
Lat dimension name is:
2_5_deg__regional_long__zones
.
Data file CER_ES4_Aqua-FM3_Edition2_024024.200207 was
not successfully opened & parsed.

Thank you again,

Andreea







> > > > From: Andreea Ira <andreea_ira at YAHOO.COM>
> > > >
> > > > Dear all,
> > > >
> > > > I am having some troubles in completing the
> task
> > > of
> > > > reading and displaying data in hdf format
> using
> > > GrADS
> > > > and I would appreciate your assistance.
> > > >
> > > > Since according to the directions to read and
> > > display
> > > > the data in question, I need to create a .ddf
> > > file, I
> > > > did so using the information that I can obtain
> > > from a
> > > > dump (created using hdf binaries and following
> the
> > > > from the README file).
> > > >
> > > > 1.  I include here the contents of the dump
> file:
> > > >
> > > > dimensions:
> > > >         2_5_deg__regional_colat__zones = 72 ;
> > > >         2_5_deg__regional_long__zones = 144 ;
> > > >         days = 31 ;
> > > >         hours = 24 ;
> > > >         5_0_deg__regional_colat__zones = 36 ;
> > > >         5_0_deg__regional_long__zones = 72 ;
> > > >         10_0_deg__regional_colat__zones = 18 ;
> > > >         10_0_deg__regional_long__zones = 36 ;
> > > >         2_5_deg__zonal_colat__zones = 72 ;
> > > >         5_0_deg__zonal_colat__zones = 36 ;
> > > >         10_0_deg__zonal_colat__zones = 18 ;
> > > >         2_5_deg__global_zone = 1 ;
> > > >         5_0_deg__global_zone = 1 ;
> > > >         10_0_deg__global_zone = 1 ;
> > > >
> > > > variables:
> > > >         float
> > > >
> Solar_incidence(2_5_deg__regional_colat__zones,
> > > > 2_5_deg__regional_long__zones) ;
> > > >                 Solar_incidence:_FillValue =
> > > > 3.4028235e+38f ;
> > > >                 Solar_incidence:valid_range =
> 0.f,
> > > > 500000.f ;
> > > >                 Solar_incidence:long_name =
> "2.5
> > > > Degree Regional, Monthly (Day), Total-sky
> > > Averages" ;
> > > >                 Solar_incidence:units = "Watt
> > > hours
> > > > per square meter" ;
> > > >         float
> > > >
> Net_radiant_flux(2_5_deg__regional_colat__zones,
> > > > 2_5_deg__regional_long__zones) ;
> > > >                 Net_radiant_flux:_FillValue =
> > > > 3.4028235e+38f ;
> > > >                 Net_radiant_flux:valid_range =
> > > -200.f,
> > > > 200.f ;
> > > >                 Net_radiant_flux:long_name =
> "2.5
> > > > Degree Regional, Monthly (Day), Total-sky
> > > Averages" ;
> > > >                 Net_radiant_flux:units =
> "Watts
> > > per
> > > > square meter" ;
> > > >         float
> > > > Longwave_flux(2_5_deg__regional_colat__zones,
> > > > 2_5_deg__regional_long__zones) ;
> > > >                 Longwave_flux:_FillValue =
> > > > 3.4028235e+38f ;
> > > >                 Longwave_flux:valid_range =
> 50.f,
> > > > 450.f ;
> > > >                 Longwave_flux:long_name = "2.5
> > > Degree
> > > > Regional, Monthly (Day), Total-sky Averages" ;
> > > >                 Longwave_flux:units = "Watts
> per
> > > > square meter" ;
> > > >         float
> > > > Shortwave_flux(2_5_deg__regional_colat__zones,
> > > > 2_5_deg__regional_long__zones) ;
> > > >                 Shortwave_flux:_FillValue =
> > > > 3.4028235e+38f ;
> > > >                 Shortwave_flux:valid_range =
> 0.f,
> > > > 1400.f ;
> > > >                 Shortwave_flux:long_name =
> "2.5
> > > Degree
> > > > Regional, Monthly (Day), Total-sky Averages" ;
> > > >                 Shortwave_flux:units = "Watts
> per
> > > > square meter" ;
> > > >         float
> > > Albedo(2_5_deg__regional_colat__zones,
> > > > 2_5_deg__regional_long__zones) ;
> > > > Longwave_flux:units = "Watts per square meter"
> ;
> > > >         byte
> > > Number_of_hours_of_longwave_flux(days,
> > > > 2_5_deg__regional_colat__zones,
> > > > 2_5_deg__regional_long__zones) ;
> > > >
> > > > Number_of_hours_of_longwave_flux:valid_range =
> > > '\0',
> > > > '\30' ;
> > > >
> > > > Number_of_hours_of_longwave_flux:_FillValue =
> > > '\177' ;
> > > >
> > > > Number_of_hours_of_longwave_flux:long_name =
> "2.5
> > > > Degree Regional, Daily, Total-sky Averages" ;
> > > >
> > > Number_of_hours_of_longwave_flux:units
> > > > = "hours" ;
> > > >         float Shortwave_flux(days,
> > > > 2_5_deg__regional_colat__zones,
> > > > 2_5_deg__regional_long__zones) ;
> > > >
> > > > 2.  I used information from here to create a
> .ddf
> > > file
> > > > that will then be used with the GrADS xdfopen
> file
> > > > command.  I include the file here (I followed
> the
> > > > example provided by the GrADS web site that
> > > describe
> > > > this):
> > > >
> > > > DSET ^CER_ES4_Aqua-FM3_Edition2_024024.200207
> > > > TITLE This is only a test
> > > > UNDEF 1.0E15
> > > > XDEF 2_5_deg__regional_long__zones 144 LINEAR
> > > -180.0
> > > > 2.5
> > > > YDEF 2_5_deg__regional_colat__zones 91 LINEAR
> > > -90.0
> > > > 2.0
> > > > TDEF days 31 LINEAR 0Z01JUL2002 1MO
> > > > ZDEF 1 LEVELS 1000
> > > > VARS 5
> > > > Solar_incidence=>solin 0 99 Incident Radiation
> > > > Net_radiant_flux=>netflux 0 99 Net radiation
> > > > Longwave_flux=>lwflux 0 99 Longwave flux
> > > > Shortwave_flux=>swflux 0 99 Shortwave flux
> > > > Albedo=>albedo 0 99 Albedo
> > > > ENDVARS
> > > >
>
=== message truncated ===




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