20021003: some more problem with dcreanal

Wuyin,

Try using "dcreanal2". But... the one limitation of your data 
set is the lack of a "time" field in order to determine the date 
of the field to be written in the GEMPAK file. Typically,
the time is given as hours or days since a starting time.

Steve Chiswell





>From: Wuyin Lin <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200210031456.g93Euh107034

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>--0-1755821617-1033657149=:28961
>Content-Type: TEXT/PLAIN; charset=US-ASCII
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>Steve,
>
>Unfortunately I am still having some problems with the decoder dcreanal.
>Following are the screen message after issuing the command. It did nothing
>more than that.
>
>dcreanal I092612-2.nc I092612-2.gem
> Changing center table to cntrgrib1.tbl
> Changing vertical coord table to vcrdgrib1.tbl
> Changing WMO parameter table to ncarncep1.tbl
> Changing center parameter table to ncarncep1.tbl
>can't handle this many dimensions for a variable 1
>can't handle this many dimensions for a variable 1
>
>The file header for the netcdf is attached. I am clueless what other
>attributes are still needed for dcreanal to recognize it. I am trying
>to get one simple file to work, and then will more generate netcdf file in
>similar format.
>
>I also have a question: can  a netcdf file containing both multiple and
>single level fields  be decoded by dcreanal? When the variable 'level'
>and the associated GRIB_id/GRIB_name define the vertical coordinate
>for a multiple level variable, how the vertical coordinate for a single
>level field to be defined, particularly when it is not the surface field?
>
>In the case a file only containing multiple single level fields, each
>probably having different vertical coordinates, e.g., surface, TOA, 500mb,
>850mb field co-exist on one netcdf file (each with a distinct name and
>ID).
>In that case, is it possible to differtiate these different coordinates
>within a single netcdf file and allowing it to be recognized by the
>decoder. (I am new to gempak, unsure if the vertical coordinate has to be
>defined for each variable on a same gempak file.)
>
>
>thank you verr much.
>
>Wuyin
>
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