[Xastir] GeoTIFF

[Tom Russo]

On Fri, May 17, 2013 at 04:34:21PM -0700, we recorded a bogon-computron collision of the <curt.we7u at gmail.com> flavor, containing:
> On Thu, 16 May 2013, Tom Hayward wrote:
> 
> > I've now got a .tif in /usr/local/share/maps/. Xastir indicates that
> > GeoTIFF is compiled in, but after re-indexing maps, the new map is not
> > listed in the map chooser.
> >
> > Here are the map specs:
> 
> Tom will probably jump in here with specifics on the image itself, but I know at least for geotiff Topo maps you also need a *.fgd file to go along with it, that has the neatline trim points in it.  I don't know if that was bypassed when someone added the capability to display DOQQ's several years back.
> 
> The instructions for creating just the parts you need of a .FGD file are in README.MAPS.  Good luck!

The FGD is needed only for collar trimming.  It still works, but its 
absence has nothing to do with whether the map will show up in the chooser.

And the map won't display until it's recast as an 8-bit pseudocolor image,
because Xastir's GeoTIFF format doesn't support 3-band RGB images.

-- 
Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
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