[Xastir-dev] first cut at geocoder

[Jack Twilley]

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>>>>> "Curt" == Curt Mills <archer at eskimo.com> writes:

Jeff> Garmin's MetroGuide does not do a simple shortest path thing. It
Jeff> seems to try to put you on main roads for most of the trip. It
Jeff> will take you a little ways the 'wrong' way to get you on a
Jeff> freeway. Their database must contain that info.

Curt> So does ours... :-)

Curt> The Shapefile maps have information in them telling you how many
Curt> lanes the road is, whether it is one/two-way, and what the speed
Curt> limit is on the road.

Jeff> I suspect the best approach to this sort of thing involves very
Jeff> careful design of the structure of the data files. One needs to
Jeff> be able to ask questions like: "Where's the nearest main road?"
Jeff> and not have to do a 15 minute file search to get the answer.

Curt> We can certainly keep adding features to it once we get the base
Curt> routing going, so that we could ask for the fastest or the
Curt> shortest, and perhaps tweak some parameters based on individual
Curt> preferences.

It would be grand if the OGR/GDAL work were kept up to date with cool
Shapefile stuff like this, because the Tiger files have the same
information that Curt mentions that is present in the shapefiles.

Jack.
- -- 
Jack Twilley
jmt at twilley dot org
http colon slash slash www dot twilley dot org slash tilde jmt slash
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