[aprssig] conveying map view

William McKeehan mckeehan at mckeehan.homeip.net
Tue Sep 21 16:11:41 CDT 2004

What I would think you would want to be able to do is use a group message to
transmit a bookmark (center and zoom) - either visible in the existing "Map
Display Bookmarks" dialog or another dialog very similar. I would not want a
group message to change my current view - although I can see where that would
be a nice feature also.

I would think a query to get the list of maps for a particular bookmark would
be nice and would not need to be transmitted unless the receiver wants it. I
would like to see the list of selected maps saved along with the current "Map
Display Bookmarks" also.

My 2 cents.

> On Tue, 21 Sep 2004, Wes Johnston wrote:
>> Yes, but I don't know of a single APRS client that will allow you
>> to either 1) specify by typing a view, 2)let you click on the
>> contents of a message and specify a view automagically.
>> Is there one that does?  It would really be neat if we could
>> publish map views (ie bookmarks) just like we do objects.  New
>> people arriving on the scene of an event would have within a few
>> minutes, a list of common views.... ie downtown, the county... the
>> event... and then if someone said "It's in the upper right corner
>> of your map" we'd have a fighting chance to see what the guy is
>> talking about.
> I can see the usefulness in that.  It shouldn't be hard to add that
> to Xastir.  We already have a way to specify map center/zoom, so
> we'd just have to put in a special message type to push that out,
> and to decode it.
> 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.
> --
> Curt, WE7U.				archer at eskimo dot com
> http://www.eskimo.com/~archer
>   Lotto:  A tax on people who are bad at math. - unknown
> Windows:  Microsoft's tax on computer illiterates. - WE7U.
> The world DOES revolve around me:  I picked the coordinate system!"
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William McKeehan
Internet: mckeehan at mckeehan.homeip.net

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