[IDV #SWA-509881]: MSG bands 13/14

Hi Peter-

> Now I understand, ok I'll make the updates as suggested and let HansPeter 
> know.
> 
> I guess you can close this call as there are no actions needed in the IDV.

Done.

> Regards,
> 
> Pete.
> 
> >>> "Unidata IDV Support" <address@hidden> 08/01/08 18:35 >>>
> > Morning Tom (I think ?),
> 
> Hi Peter, it's Don.
> 
> > In the Data Chooser tag of the IDV, for Images, when I connect to Server 
> > adde.eumetsat.int
> > and select Image Data Type M9, does this send an IMGLIST command to the 
> > EUMETSAT ADDE server ?
> 
> It sends an ADDE ADIR request (which is what the McIDAS IMGLIST command
> sends).  The actual request is:
> 
> EUM_AD M9 0  TRACE=0 BAND=ALL X AUX=YES VERSION=1
> 
> For any ADDE image server there are generally two types of servers -
> an adir (directory) and aget (data) server.  For example, there
> is an msgadir.for and msgaget.for in the core McIDAS distribution.
> Depending on the type of request (directory or data) one or the
> other gets called.  In this case, the adir server needs to fabricate
> AREA directories for bands 13 and 14.
> 
> > The reason I ask is at this point, the Channel drop down menu becomes 
> > active and shows the channels
> > available for this Group/Descriptor, and this is where HP cannot select the 
> > virtual channels 13 and 14.
> 
> Right.  The return from the ADIR request only lists bands that the
> server returns.  Currently, it just returns bands 1-11.  We then
> use the returned list to populate the widgets.
> 
> > If a command is sent, can you tell me which one it is and how I can insert 
> > the virtual channel information
> > into the Mcidas structure returned by the server to the IDV.
> 
> Somewhere in the ADIR server, it generates a list of the available
> bands.  It just needs to add in 13 and 14.  Once that happens
> an IMGLIST in McIDAS should also show that bands 13 and 14 are
> available.
> 
> > Thanks of the support,
> 
> Let me know if you need more information.
> 
> > Peter Miu.
> >
> > U-MARF and Internet Software Engineer
> > Am Kavalleriesand 31
> > 64295 Darmstadt
> > Germany
> > Tel : +49 6151 807 329
> > Fax : +49 6151 807 741
> >
> > >>> "Unidata IDV Support" <address@hidden> 07/01/08 20:55 >>>
> > Hi HP-
> >
> > Happy New Year.  I was off for a couple of weeks so am just now getting
> > to this.  I'm also waiting for some fixes from SSEC for your other
> > outstanding issues.
> >
> > > You might remember my former emails and discussions in June about the
> > > virtual channels 13 and 14 from MSG data. Up to now these 2 channels
> > > were calculated only by Marianne's server version on my notebook. Up to
> > > now I can only see them in McIDAS however. Obviously IDV does not get
> > > forwarded with needed information.
> > >
> > > Pete Miu has now started to implement my local server on
> > > adde.eumetsat.int. A first cut of the revised code puts the data into
> > > dataset/imagetype M/T. I can see this data stream from my machines, but
> > > only channels 1-11 of course because Pete's work is based on my local
> > > server. Could you please advise what exactly IDV is expecting from the
> > > server in order to link to the data of these 2 channels?
> >
> > When a directory (adir) request is made to the server, it needs to
> > include those band numbers in the list of bands that it sends
> > back. The data server (aget) knows how to interpret BAND= keyword sent
> > by McIDAS and calculate the correct data.  The directory server
> > (e.g. what IMGLIST talks to) needs to know that it can calculate
> > those (and any others) and send them back in the list of available
> > bands.
> >
> > You can have Peter contact me directly if he needs more specific
> > information.
> >
> > > In case you will be looking into the data set M/T be aware that the
> > > temperature fields (channels 4-11) are wrong for the time being. All
> > > other channels/units are correct.
> > >
> > > Hope you had a good start into 2008. We are expecting the first
> > > low-level snow here for Thursday.
> >
> > I was in Florida visiting family for Christmas and New Years. We
> > had a great time and great weather.
> >
> > > HP
> > >
> > > FYI: Channels 13 and 14 are derived from channel 4 (3.9micron) where the
> > > solar and thermal signal respectively, are singled out
> > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: SWA-509881
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> >
> >
> >
> >
> 
> 
> Ticket Details
> ===================
> Ticket ID: SWA-509881
> Department: Support IDV
> Priority: Normal
> Status: Open
> 
> 


Ticket Details
===================
Ticket ID: SWA-509881
Department: Support IDV
Priority: Normal
Status: Closed