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[aprssig] conveying map view

Bob Bruninga bruninga at usna.edu
Wed Sep 22 13:41:10 UTC 2004

On Tue, 21 Sep 2004, Wes Johnston wrote:

> I hadn't thought of a query...   I had just
> thought of a subset of a message or bulletin.
> ...I can see the usefullness of actually "pushing" a view to
> a particular station, but the station accepting [it]
> would have to [have] a user selectable option
> probably based on sender's  callsign.

APRSdos already has something like that.  When you receive
a message from anyone, you can just hit 3 keys OF# and the
map will center on the location of the #'th message line
you just received.  (stands for OPS-FIND-#).

Windows based systems could simply have a check-box
labeled [Map this station] on the incomming dialog box.
when a message comes in....

I dont like Queries since each one has to be specificly
and uniquely coded  in every existing copy of code..  Using
the message format, however, is universal and backwards
compatible with 100% all existing software..

de WB4APR, Bob

 (ie I'll allow
my map viewing to
be interrupted by kd4xyz and
> kd4dog).
> I thought briefly about sending the map file name, but that would be too
> much... esp in a cross platform environment.... DOS aprs does not name maps
> the same way xastir does...
> I'm wondering if encoding the map view in a message would be as simple as my
> email program parsing the text of my messages for occurances of "www" or
> "http://"... maybe we could just send a message with the text mv://lat/lon/
> range[/map_name] (mv stands for mapview, [/map_name] is optional).  In order
> to be accepted as a valid map view, mv:// would have to be followed by
> numeric chars, another /, numeric chars, another / and finally more numeric
> chars.  Perhaps ONE map could be named as an option on the end?  Just like in
> html when a particular font is specified and your machine doesn't have it...
> it just ignores the font statement... same could apply to specifying a map...
> if you don't have that map, display with what map you do have or no map at
> all.
> Wes
> ----- Original Message -----
> From: Curt Mills <archer at eskimo.com>
> Date: Tue, 21 Sep 2004 13:58:48 -0700 (PDT)
> To: TAPR APRS Mailing List <aprssig at lists.tapr.org>
> Subject: Re: [aprssig] conveying map view
> >
> > How best to do that?  Group message?  Directed message to a
> > particular station?  Query?
> >
> > Would we want a list of the map files to go across as well?  That
> > could get very long/time-consuming across the air.
> >
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de WB4APR at amsat.org, Bob

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