A GIS operation for converting street addresses into spatial data that can be displayed as features on a map, usually by referencing address information from a street segment data layer.

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3answers
2k views

Techniques for offline reverse geocoding on a mobile device?

I am working on a mobile mapping application (currently iOS, eventually Android) - and I am struggling with how to best support reverse geocoding from lat/long to Country/State without using an online ...
15
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5answers
2k views

Good resources on geocoding algorithms

Do you know of any good resources on geocoding algorithms? I am particularly interested in address query parsing, including matching and weighting parts of the query, dealing with misspellings and ...
18
votes
10answers
746 views

Would you consider online geocoding a breach of privacy?

Suppose I have a bunch of addresses of individuals participating in a certain study (most likely - health related, where privacy and ethical considerations are always important issues). Nowadays, ...
7
votes
2answers
2k views

How to get US Highway exit geocodes using Google maps API or through some other means?

For our application, we need to get all the US interstate highway exits along with their Geocodes. Can you please explain how to get these using Google Maps API or Google Local search or otherwise? So ...
6
votes
2answers
302 views

Standards for creating a RESTful Geocoding webservice

I am about to start defining a new API which will allow our clients to perform Geo Coding lookups. I would like to follow any standards there are out there. However looking at a few examples: The ...
4
votes
3answers
986 views

How to automatically create 2D-point features from addresses in an SQL database

I currently have an SQL-Table which contains our buildings. I already added the table and now want to create features ( 2D-Points ) from that information. The biggest problem I have is that the ...
4
votes
3answers
2k views

Geocode from mile marker/milepost to latitude/longitude?

I have a dataset that describes a few million incidents along Texas roadways. The vast majority of incidents only list a highway name and a milepost. For example, milepost 120 on I-20 or milepost 263 ...
5
votes
5answers
941 views

Data Source: Address ranges for every block in NYC

I'm looking for data that defines the address ranges used on NYC blocks. On this screenshoot you can see google has noted the first addresses on each block of West End Avenue and 92nd/93rd/94th st. ...
7
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2answers
3k views

How to reverse geocode with ArcMap?

What steps to I have to take in ArcMap (ArcEditor) to input a lat / long and return nearest address? I found the Reverse Geocode tool but I can't figure out what to put in the "Input Features" and ...
5
votes
3answers
421 views

Using Multiple ShapeFiles as a single address locator

Let's say I have 5 shapefiles, and I want to use them as a single address locator via the ILocator interface. What would you recommend? 1) Merge the shapefiles into a single shapefile then convert ...
6
votes
3answers
1k views

Extracting all address locations from street centerline file

I have a project in which I want to "extract" all of the geocoded addresses from a street centerline file (with my defined offset and whatever other user defined input is needed). If it is helpful ...
5
votes
2answers
660 views

Do shapefiles sometimes contain the necessary data for address resolution?

Right now I am doing address resolution with a ESRI file called Street_Addresses_US.loc which works. I have been given a shape file that contains streets that was compiled by the state. Is it ...
9
votes
2answers
407 views

How would one geocode historical US census records?

I want to geocode census records from the U.S. Here is one example from 1870. This particular census page is from the 6th election district, 8th ward of New York County. Here's one from the 1910 ...
5
votes
2answers
379 views

what is the fastest way to plot a list of Canadian Addresses?

I have a list of roughly 500 addresses that I'd like to plot on a map either as a point layer or as a kml/placemarks. The addresses are in form 123 QGis Street, Province, Canada, A1A 1A1
9
votes
8answers
18k views

Full list of ISO ALPHA-2 and ISO ALPHA-3 country codes

I'm searching for a full list of countries with their country codes. Like on this page (need full and valid): http://www.nationsonline.org/oneworld/country_code_list.htm Thanks.
9
votes
4answers
1k views

How would I create my own geocoding web service

I would like to write a geocoding web service for genealogy in Java. Because it is for genealogy, I don't need to go down to the street level. I only need to go down to the county. Looking at ...
24
votes
7answers
2k views

Work flow for georeferencing imagery using open source tools?

Does anyone have a recommendation for a work flow for georeferencing high resolution aerial photography using open source tools? Comparison of user friendliness and robustness between Quantum GIS ...
4
votes
4answers
313 views

In the UK, how do I convert from an address to a lat/long?

Please include where I can buy the dataset and how much it costs?
30
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11answers
2k views

USA geocoding that's anonymous, good, and free - does it exist?

For a one-time project, I need to geocode a few thousand addresses. In the past I've used various online resources for this kind of thing (e.g., Google Maps API), but the addresses I'm working with ...