[aprssig] Moving area
John Galvin
jrgalvin2 at gmail.com
Sat Jun 6 09:28:57 EDT 2009
Another choice is UI-Paint Box, a UI-View add on. I believe that the
output is stationary, but you can redraw the item to show its movement
or spread. Just Google for "UI-Paint Box."
73, John - N5TIM
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John Galvin - N5TIM
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http://www.garlandraces.net/
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Matt Murphy wrote:
>
>
> On Fri, Jun 5, 2009 at 19:46, Jason KG4WSV <kg4wsv at gmail.com
> <mailto:kg4wsv at gmail.com>> wrote:
>
> On Fri, Jun 5, 2009 at 5:35 PM, Matt Murphy<matt.kc8bew at gmail.com
> <mailto:matt.kc8bew at gmail.com>> wrote:
> > I will be participating in a county-wide disaster drill this
> month. Is
> > there a way to plot a moving area instead of a point?
>
> Use APRS multiline objects. As an example NWS storm plots are
> routinely injected into the APRS-IS and gated locally, so storm areas
> are outlined. The outline is relative to the object, so it will move
> as the object moves.
>
> You'll have to move it, either manually or with a script of some sort.
>
> Since gas will expand, your script could even enlarge the area as time
> progresses.
>
> I know xastir handles these objects; not sure about other APRS apps.
> (check Curt's client comparison chart here:
> http://www.eskimo.com/~archer/aprs_capabilities.html
> <http://www.eskimo.com/%7Earcher/aprs_capabilities.html> )
>
> Clients that can't display the polygons (e.g. D700) should still plot
> the object itself, which would ideally be the center of it (or most
> affected area, etc).
>
> http://pages.swcp.com/~russo/APRS_Multiline_Protocol.html
> <http://pages.swcp.com/%7Erusso/APRS_Multiline_Protocol.html>
>
> -Jason
> kg4wsv
>
>
> On Fri, Jun 5, 2009 at 19:24, Robert Bruninga <bruninga at usna.edu
> <mailto:bruninga at usna.edu>> wrote:
>
> If your clients do Dead Reckoning like the original APRSdos,
> just put the shape on th emap as an object with a course and
> speed, and it should move on recepit on all clients that have DR
> enabled. But most don't.
>
> Better way to be sure everyone sees it, is to manually move it
> periodically. In the original APRS, just select it, move the
> cursor, hit UPDATE and its done. You should not have to re-draw
> it each time, just select and move.
>
> Hope that helps
> Bob
> WB4APR
>
> Use anyone of the APRS shape symbols
>
>
>
> I have UIView that I will probably use. It is running the APRSdos
> maps. I am getting even better maps from our caounty GIS dept :-) I
> hope to have them for this drill. I will test the shape symbols and
> look into an enlarging area/time.
>
> Thanks
> --
>
> 73,
> Matt Murphy, kc8bew
> http://mcares.kc8bew.net
> Muskingum Co. ARES EC
> ------------------------------------------------------------------------
>
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