[Xastir] Latest OSM tweaks

[Curt, WE7U]

On Mon, 28 Jun 2010, Curt, WE7U wrote:

>  new function key to optimize OSM zoom levels:
>    Since bitmap images do not scale well, they will always look best when
>    the Xastir scale is closest to the OSM scale. A function key (F4) has
>    been defined that will adjust the Xastir scale to the nearest OSM level
>    and redraw the screen. Note that even if the scale is not changed, the
>    F4 key will redraw the screen- this is intentional on my part.
>
>    The F4 key works only if an OSM map is selected.
>
>    If the F4 key is already defined for some other use on your system you
>    can specify an alternative key by modifying the map files (OSM*.geo).
>    The specified value must be an X11 KeySym value. Setting the value to 0
>    will disable the key.

I just had a problem using F4 on the home system.  It was because I
had one OSM map and one Ridge Radar map selected.  When I deselected
the Ridge Radar map, F4 worked just fine.

A minor bug, but one that needs to be fixed.

-- 
Curt, WE7U.                         <http://www.eskimo.com/~archer>
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