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20030117: 20030116: Level III data



Michal,

I believe that Dan has engineered ucnids to create an uncompressed nids product
by passing the product directly as is received from the noaaport data stream,
but, please see the ucnids program for the actual details since it is
not one I use.

Steve Chiswell




>From: "Michal Kraszewski" <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200301171445.h0HEjTx04664

>Steve,
>
>Thanks for your answer.
>
>In achieve of your mailing list I found the scheme of NEXRAD Level III
>files:
>http://www.unidata.ucar.edu/projects/coohl/mhonarc/MailArchives/datastream/m
>sg00785.html
>
>Under this scheme there is written that only sections 5-8 are zlib
>compressed. Does the program that you suggest me (ucnids.c) needs to pass
>into it only these 4 sections? If so, it is obvious (looking and the file)
>how to extract first 4 sections (each section seems to be just one line) but
>it is not clear for me how to determine what is in section 9 and 10. Under
>the scheme there is also written that section 10 is not always there.
>
>Am I right to pass into ucnids.c only sections 5-8? Do you have any
>experiences about subtracting last two sections?
>
>Thanks for your help,
>
>Michal Kraszewski
>_____________________________
>IIHR-Hydroscience and Engineering
>The University of Iowa
>
>
>
>----- Original Message -----
>From: "Unidata Support" <address@hidden>
>To: "Michal Kraszewski" <address@hidden>
>Cc: <address@hidden>
>Sent: Thursday, January 16, 2003 6:07 PM
>Subject: 20030116: Level III data
>
>
>>
>> Michal,
>>
>> Try using a routine such as Dan Vietors ucnids.c. See:
>> http://weather.unisys.com/noaaport/src/ucnids.c
>>
>> The above simply uncompresses the zlib portion of the nIDS product.
>>
>> Steve Chiswell
>>
>>
>> >From: "Michal Kraszewski" <address@hidden>
>> >Organization: UCAR/Unidata
>> >Keywords: 200301162130.h0GLUax10734
>>
>> >Steve,
>> >
>> >I try to decode NEXRAD Level III data. Could you suggest me any program
>that
>> >can skip all headers, decompress and write out data from RAW files into
>> >ASCII or binary?
>> >
>> >I will appreciate your help,
>> >
>> >Michal Kraszewski
>> >_____________________________
>> >IIHR-Hydroscience and Engineering
>> >The University of Iowa
>> >
>> >
>> >
>>
>>
>****************************************************************************
><
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>> address@hidden                                   Boulder, CO
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><
>>
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><
>>
>



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