[Xastir] Segfault on indexing maps

[Tom Russo]

On Mon, Sep 17, 2012 at 07:02:50AM +1000, we recorded a bogon-computron collision of the <edodd at billiau.net> flavor, containing:
> On Sun, 16 Sep 2012 10:34:54 -0500
> Steve Rogers <kd5mkv at hotmail.com> wrote:
> 
> > 
> > Here is a link for a Debian Squeeze binary xastir-2.0.1
> > http://www.xastir.org/wiki/HowTo:Debian_Squeeze_Binary 
> >  
> > steve kd5mkv
> > 
> Thanks Steve, Tom, Curt, Lee
> I installed this suggestion from Steve, which used some older libraries
> than I had installed but does work, so it does download online stuff as
> well as show the .MAP files from Au APRS site.
> 
> Now I can see the errors for the GeoTiffs 
> 
> *** geoTIFF file /usr/share/xastir/maps/tif/8231s.tif is not in the
> proper format: ***** Has 3 samples per pixel instead of 1
> *** Please reformat it and try again.

That's easy to deal with.  Install gdal, then use "rgb2pct.py" (a python
script installed by gdal) to dither the 3-band, 24-bit color image (RGB) to an 
8-bit color map (pct = Pseudo Color Table).

-- 
Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
"And, isn't sanity really just a one-trick pony anyway? I mean all you get is
 one trick, rational thinking, but when you're good and crazy, oooh, oooh,
 oooh, the sky is the limit!"  --- The Tick