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20021210: Updated codes for dcshef and data reading

Art,

I'll look at your code for the 5.6.i release.

There shouldn't be any problems making changes to dcshef
since Peggy Bruehl who wrote the program while at COMET 
is no longer there, and nobody else has ever made updates
since. 

I will have to be careful with the bridge routines since these 
are part of NCEPs operational decoders, but what you propose
sounds like a good idea.

Steve Chiswell




>From: "Arthur A. Person" <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200212101856.gBAIus406766

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>
>Hi...
>
>Attached is a tar file with modified gempak-5.6.h files
>to fix/enhance the dcshef decoder.  I was having problems
>recently with it going into loops and bogging down our system.
>
>The modifications are twofold:  1) To fix the problem with
>dcshef, and 2) An enhancement to the way gempak reads input
>data into the decoders.  The latter allows decoders to read
>all the data from messages that overflow the DCMXBF limit
>in gempak by returning all the data over several calls with
>EBFULL status messages.  I've documented the changes more
>fully in the attached tar file.
>
>If possible, please implement the fixes for dcshef that pertain
>to the looping bugs in the next release of gempak.  I'd also
>like to see the other enhancements in there as well, but I
>understand there could be concerns about compatibility with
>other existing codes.  I do, however, think there's an
>advantage to being able to read very large messages when
>they occur without having to recompile gempak.
>
>Let me know if you have any questions...
>
>                              Thanks.
>
>                                Art.
>
>Arthur A. Person
>Research Assistant, System Administrator
>Penn State Department of Meteorology
>email:  address@hidden, phone:  814-863-1563
>