[Xastir] Xastir with offline maps

[Tom Russo]

On Fri, Jun 15, 2012 at 11:20:51AM -0600, we recorded a bogon-computron collision of the <russo at bogodyn.org> flavor, containing:
> On Fri, Jun 15, 2012 at 10:04:46AM -0700, we recorded a bogon-computron collision of the <curt.we7u at gmail.com> flavor, containing:
> > On Tue, 12 Jun 2012, Lee Bengston wrote:
> > 
> > > If I zoom in much further, I get littered with text labeling what look
> > > like POI's, and a red X precedes the text.  It looks like a dbfawk
> > > tweak is in order for high zoom levels.
> > 
> > You can pick and choose the different maps in each block to get rid of features that you don't want to see.  I'll often delete the types I'm not interested in (in sets of three files:  *.SHP, *.DBF, *.IDX).
> 
> You can also set min/max zoom levels in  map properties for maps that get
> too cluttered at high zoom levels (lots of POI maps are like that, and
> become useless when zoomed too far out).  The other option is to explore
> modifying the dbfawk file associated with the POI shapefile so it displays
> different subsets of POI types at different zoom levels based on some 
> attribute.  The OSM_cloudmade_poi dbfawk is already set up to recognize
> different CATEGORY values, but right now does nothing with that --- it
> is just a skeleton that could be improved greatly.  As it is now,
> it displays every type of POI exactly the same way, at all zoom levels.

"At all zoom levels below zoom level 16."

Clearly, 16 is high.  One should experiment with reducing it, and making it
a per-category setting rather than the global one in "BEGIN_RECORD".

-- 
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