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[aprssig] Moving area

John Galvin jrgalvin2 at gmail.com
Sat Jun 6 13:28:57 UTC 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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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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