Hi John,
The recently released 2010 TIGER/Line data should have better address
range information than earlier versions. The US Census Bureau went
throughout the country with GPS units and collected a national set of
address points to create its Master Address File (MAF) used implementing
the 2010 Census. They can't release the MAF for non-disclosure reasons,
and TIGER/Line data has missing address ranges and "random" address
ranges (where in some cases they have lengthened or shortened the actual
ranges) for non-disclosure reasons as well. My guess is importing 2010
TIGER data for NYC would be a nightmare because of the possibility of
stepping on user edits in OSM. Given the problems with updating road
ways, I think the real solution for addresses in OSM is to use address
points where possible.
Dan
On 01/29/2011 10:53 AM, John Harvey wrote:
Thanks Dan!
I believe the US tiger dataset also has street address information and I
wonder if people are seaming together that data. The NYC data is
definitely higher quality, but I only need 90% quality, not near %100.
There are some great data source on the NYC web age.
I've heard varying opinions of the compatibility of the license between
what Vancouver gives away and the OSM. I was under the impression it
wasn't cool (the cities license required more attribution than OSM could
provide) but I noticed that people have imported the cities data (all
the building outlines in kits).
Thanks again!
John
On 11-01-29 10:32 AM, Dan Putler wrote:
Hi John,
You can get New York tax parcel maps inexpensively ($300 per Borough)
and information needed to link it to addresses for free (I don't know
if the licensing is consistent with OSM). My guess is
www.ridethecity.com has licensed the parcel data and has created
address points from it. The city may approve the creation of an
address point layer based on this information that would work with
OSM, but then again, maybe not. Here is the relevant link to the data:
http://www.nyc.gov/html/dcp/html/bytes/applbyte.shtml
Lots of the municipalities in the GVRD have released their parcel
maps, some which may include addresses, but not others. As part of its
"Property Information Package" the City of Vancouver provides address
data (with duplicate addresses removed) that appear to be assessor
parcel centroids. I don't know what the thinking is about the
consistency of the City of Vancouver's licensing with OSM, but it may
well be consistent. The link to this data is:
http://data.vancouver.ca/datacatalogue/index.htm
The general issue in terms of importing address points is that the
data generally comes from local governments (generally cities in
Canada and counties in the US), and local governments differ widely in
their data availability, data field formats, licensing, and basic
availability.
Dan
On 01/29/2011 09:47 AM, John Harvey wrote:
Hey!
So I'm trying to figure out the street address thing. Some POI's have
street addresses. Some nodes in buildings have street addresses. Some
cities have more address data (Paris and Denver come to mind), some have
nearly none (New York). If I had to guess I would say less than 1% of
POI's/Building have address data (US Wide) and I suspect Europe isn't
much further ahead (10%?)
Some cities have addr:interpolation. Toronto is an amazing example
(thanks CanVec and the people who imported the data):
http://osm.org/go/ZX6DTTVf9--
So I was looking at http://www.ridethecity.com/ . They seem to have
street addresses for New York and Vancouver, cities that seem to have
poor address info in the main data.
Am I missing something? Is there another file besides the plant.osm
that has addresses?
Thanks for the info.
John
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