20040907: ldm-mcidas image decoder pnga2area

>From: Eirh-Yu Hsie <address@hidden>
>Organization: CU/CIRES
>Keywords: 200409071813.i87IDevq001014 ldm-mcidas pnga2area

Hsie,

>Beginning from last week, the image decoder "pnga2area" and "old McIDAS decoder
>with ROUTE PostProcess BATCH files" generate different file size.  From the 
>/home/ldm/etc/pqact.conf:
>
>#
># Example of decoding UW datastream imagery (GOES and CIMSS products) using
># McIDAS-X routing table for product naming and possible execution of ROUTE
># PostProcess BATCH files.
>#
>MCIDAS  ^pnga2area Q. (..) (.*) (.*) (.*) (.*) (........) (....)
>        PIPE
>        -close pnga2area
>        -l logs/ldm-mcidas.log
>        -a decoder/etc/SATANNOT
>        -b decoder/etc/SATBAND
>        -d data/mcidas -r \1,\2
>...
>...
># UW Mollweide composite (IR & WV)
>MCIDAS  ^pnga2area Q. (UX) (.*) (.*)_IMG (.*) (.*) (........) (....)
>        PIPE    -close
>        pnga2area -vl logs/ldm-mcidas.log
>        -a decoder/etc/SATANNOT
>        -b decoder/etc/SATBAND
>        data/sat/mcidas/MOLLWEIDE/24km/IR/IR_\6_\7
>
>MCIDAS  ^pnga2area Q. (UY) (.*) (.*)_IMG (.*) (.*) (........) (....)
>        PIPE    -close
>        pnga2area -vl logs/ldm-mcidas.log
>        -a decoder/etc/SATANNOT
>        -b decoder/etc/SATBAND
>        data/sat/mcidas/MOLLWEIDE/24km/WV/WV_\6_\7
>
>...
>meiyu:[53]% ls -l /wrk/data/sat/mcidas/MOLLWEIDE/24km/WV/WV_20040907_1500
>-rw-r--r--   1 ldm      unidata   225088 Sep  7 10:35 
>/wrk/data/sat/mcidas/MOLLWEIDE/24km/WV/WV_20040907_1500
>meiyu:[54]% areaInfo /wrk/data/sat/mcidas/MOLLWEIDE/24km/WV/WV_20040907_1500
>/wrk/data/sat/mcidas/MOLLWEIDE/24km/WV/WV_20040907_1500
>WV_20040907_1500 GOES-8 1km
>meiyu:[55]% ls -l /wrk/data/mcidas/AREA0114
>-rw-rw-r--   1 ldm      unidata  33556032 Sep  7 10:35 /wrk/data/mcidas/AREA01
> 14
>meiyu:[56]% areaInfo /wrk/data/mcidas/AREA0114
>/wrk/data/mcidas/AREA0114
>WV_20040907_1500 GOES-8 1km
>
>They are more than 10 times bigger with the old way of decoding???

I just verified that the same thing is happening on two different kinds
of systems maintained by the UPC: Sun Solaris SPARC 5.9 and Fedora Core
Linux 1.

The cause of the problem is unknown to me at this time.  I will need to
dig into pnga2area as soon as I am able.  This may not be for a few
days, however, since I am currently in Sao Paulo, Brazil, and getting
the time to review code and come up with a fix will be hard to find until
I return to Boulder.  The really strange thing about the big files is
that they seem to be OK, or at least I can list out information from
them with no problems!?

Thanks for bringing this problem to my attention!  I will attempt to
get to the problem as soon as I am able.

Cheers,

Tom
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