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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Is there an open source international GeoCoding database if you only need city level resolution?

I'm writing an application that needs to plot a user's location on the map, and the user could be anywhere in the world, but I only need city/town level resolution, not street address. Is there a ...
12
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4answers
1k views

Advice on geocoding IP addresses

What is the best way of geocoding IP addresses? I have ~ 10,000 - 30,000 addresses to geocode once. The IP addresses are from all over the world and I only want the Long/Lat. Accuracy to the city ...
8
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3answers
2k views

Does Leaflet JS API provide a Geocoding service?

I am considering replacement of Google Maps with Open Street Maps and the Leaflet JS API. Does the Leaflet JS API provide a Geocoding service?
5
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1answer
93 views

What is the bare minimum data I would need to import from an OSM data file in order to geocode an address?

I'm using osm2pgsql to import an extract of OpenStreetMap's data so I can geocode an address to a lat/lng. But I'm new to OSM and mapping so I'm having trouble figuring out what data is relevant and ...
4
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3answers
95 views

Is it possible to run the address locator in ArcGIS via Python?

I have a question regarding the address locator in ArcGIS. It is possible to create an address locator by using Python, but is it also possible to run an address locator via Python? This means, is ...
2
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1answer
68 views

Why might Ordnance Survey codes all be out by 500m?

I've been given a set of UK Ordnance Survey geocodes, but I think they're all off by about 500 metres. Here is an example - please could someone confirm to me that the codes are wrong, not my ...
3
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3answers
234 views

How to geocode an address to a polygon?

Is there a service that can take an address and return a polygon of the property lines (or the coordinates of the corners of the smallest possible bounding rectangle)? update: area is Oakland, CA, ...
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4answers
4k views

How to convert zip codes to latitude and longitude?

I have a data set that includes a list of zip codes. Is there a way in R to convert these zip codes to latitude and longitude coordinates?
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0answers
77 views

How to write addressToLocations onError?

How can I write a code for checking the error condition in Javascript (ArcGIS) for addressToLocations(params, callback?, errback?). if somebody entered an invalid address- how can I call error ...
6
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4answers
843 views

Does anyone use TRS (Township, Range, Section) data?

I recently had a request for TRS/PLSS data and I didn't know anything about it. I have researched it and it looks like it is purely mathematical (for the most part) based on geo-coordinates but I'm ...
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1answer
167 views

Using Geocode Service Published to ArcGIS Server Within Silverlight Web Map

I'm trying to replicate this sample on my web map. I have been able to build it successfully as-is within VS 2010. However, I run into some issues when I try to get it to work with my services. ...
3
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2answers
200 views

Very Inaccurate Geocodes in Canada (Quebec)

Edit: Found this page detailing the standard geocoding abbreviation types which may be of use when trying to match foreign street types. It appears that we'll have to create a much more robust ...
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1answer
68 views

Geocoding Address without Arc Server?

I'm helping geocode addresses, and new at it. My office does not have Arc Server, is this required? I found this conversation Address or reverse geocode a point shapefile that points me to address ...
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0answers
20 views

How can I create a geocodong webservice? [duplicate]

Possible Duplicate: How would I create my own geocoding web service I would like creating a geocoding webservice. (Just a prototype). So how can I do that ? and which tools should I use ?
4
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0answers
629 views

HRESULT E_FAIL error when doing batch geocoding in ArcObjects

I am trying to write a batch geocoding application in ArcObjects/C# and keep getting the meaningless "Error HRESULT E_FAIL has been returned from a call to a COM component" error (error code ...
3
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1answer
218 views

What open source software should I use to geocode the addresses?

Need to geocode the student addresses using the regular 5-digit zip codes. Geocoder will give us an accurate point on the map, so in a Latitude and Longitude environment that should suffice for our ...
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0answers
64 views

How to Input Street Addresses to Output the Corresponding Political Districts by using Shape files

I understand this is all free advice here in this wonderful exchange but I want to say that if what I am asking is above and beyond free, we can discuss offline a small consultative gig for you by ...
11
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2answers
169 views

Using web mapping and geocoding to track genealogical data

Over the last year I have gotten involved in researching my family tree. My paternal grandfather came from a remote island in the Atlantic, along with hundreds of others of his generation, and many of ...
13
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7answers
21k views

How to avoid Google map geocode limit?

I'm creating a custom google map that has 125 markers plotted via a cms. When loading the map I get this message: Geocode was not successful for the following reason: OVER_QUERY_LIMIT I'm pretty ...
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0answers
52 views

Calculating tiles extents using some level data

I have some data looking like this: <?xml version="1.0" encoding="utf-8"?> <levels> <level nr="0" tileWidth="512" tileHeight="512" envSizeX="5000" envSizeY="5000" minX="465000" ...
3
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1answer
359 views

Is there an open source tool for both road network analysis and geocoding?

Is there any one open source software package that can perform both road network analysis and geocoding?
3
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2answers
304 views

Differences between OSM data and MapQuest OSM data?

I currently have an OSM "stack" server (Postgres/PostGIS, Mapnik, OpensLayers) working in a development environment, with almost all the South America countries loaded on the database. Since the ...
3
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2answers
164 views

Geocode a table, then append more rows to the table

I'm starting on a project with ArcGIS 10 where I'll be doing quite a bit of geocoding addresses. I understand the basics of how to do that. But a frustration on an earlier similar project is that ...
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2answers
275 views

The list of geocodes of villages/cities of India wanted

Any relevant information is welcome. For example, license of the data, where I can find relevant sources, etc.
2
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1answer
146 views

How to obtain road classification type at a point via nominatim?

This is my first time posting here so please forgive me if i ask a trivial question. Is there a way of obtaining the type of road an object is settled in from a request via nominatim? (i have the ...
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0answers
66 views

Creating KML with geolocated images and comments in baloons

I am trying to create a kml with a series of geolocated images each with a comment using android. In essence, it is very similar to what gpicsync does but this software does not include text other ...
3
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1answer
115 views

Is there a straightforward way to tweak LatLon on a sphere to represent true LatLon?

I have no experience in mapping, so please excuse me if this sounds foolish. I'm trying to use Microsoft MapPoint (2004) software to geocode a number of addresses in Excel. However, my version of ...
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0answers
68 views

locator service to use with ArcGIS Javascript API v2.1

I am hoping to find a locator service that will locate by address or intersection, and that will work with version 2.1 of the ArcGIS Javascript API. I tried this locator given in the examples, which ...
3
votes
1answer
218 views

Has MaxMind's GeoLiteCity IP geocoding database been reduced in accuracy?

I took a copy of MaxMind's free city-level geocoding database a year or so ago, and the file size was roughly 30MB. Checking their site again today (July 2012), the equivalent file is now only 17MB, ...
5
votes
2answers
441 views

How to return individual address components (city, state, etc.) from GeoPy geocoder?

I'm using GeoPy to geocode addresses to lat,lng. I would also like to extract the itemized address components (street, city, state, zip) for each address. GeoPy returns a string with the address -- ...
7
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4answers
2k views

What is the difference between geocoding and georeferencing?

After some googling around both seem to be interchangable words, where we speak of tying the spatial info of a real place and storing in database. But still I am not satisfied, there should be some ...
0
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0answers
162 views

Geocoding addresses problem

I am having a problem geocoding addresses: I am getting an error message that says "there was an error trying to process this table" I dont know what's wrong with the table - I've double checked ...
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2answers
273 views

Geocoding like Google - how to do this?

I have Postgre database with network table that contains country, street name, numbers from left – to left, numbers from right-to right. I finished geocoding function to use like this: user fills 3 ...
2
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0answers
20 views

Cloudmade Web Maps API Geocoding Issue [duplicate]

Possible Duplicate: Cloudmade Web Maps API Marker Clustering problem I'm at Geocoding in Cloudmade Web Maps API. I've the code below. Whenever I try to access the page, content of elements ...
2
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2answers
265 views

how we create line between two cordinates on polymap?

I am working on d3 and polymaps, I plot map and create circle on the given latitude and longitude which retrieves from the JSON file but now I want to connect those circles with line. I tried to do it ...
3
votes
3answers
2k views

Can I use the Google Geocoding API to parse and standardize address data?

I need to parse single-field addresses into multiple fields such as address number, street name, street type, etc. Esri has the Standardize Addresses tool in the Geocoding Tools toolbox, but I am ...
10
votes
2answers
1k views

Bulk lookup of address census tract and block

Is there a free or cheap way to code a large number of addresses and return or append the census tract and block data? There are a number of ways to geocode an address and get the lat long, but I ...
1
vote
1answer
214 views

How to work with locators in ArcGIS 10.0

I wrote my locator class which grab features from my web service. I picked it up in the ArcMap and now I can perform a search in the geocoding toolbar. The suprise for me is the way results of ...
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votes
7answers
1k 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 ...
1
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4answers
2k views

How to do geo coding with openlayers?

How can I achieve Geocoding with the JavaScript OpenLayers API, in the same fashion as the Google Maps API?
27
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11answers
1k views

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 ...
0
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2answers
201 views

Does the Census have an API to render coordinates from addresses?

Is there a United States census API that renders coordinates for a given address? Is it possible to use the United States census API for commercial purposes? Do you have a guide on embedding the ...
4
votes
2answers
195 views

A quick-fix solution for geocoding?

I am working on a prototype for a web-based trip planner and need to have a geocoding function (for the start and destination adresses), up and running the "easy" way. My area that the prototype is ...
3
votes
3answers
982 views

Are there any geocoding plugins for QGIS that interpolate along linear features instead of querying web services?

I am curious if there are any tools for QGIS to facilitate geocoding tabular data using a local linear features layer (ie, a street map with street name and address ranges - similar to geocoding in ...
7
votes
1answer
317 views

How does IP geocoding work?

I'm trying to understand how using each part of an IP address influences the accuracy of geocoding. For example, if 15.201.xxx.xxx is used instead of 15.201.123.xxx what is the approximate ...
5
votes
1answer
547 views

SQL Query to Reverse Geocoding in PostGIS

I try to do Reverse Geocode from my shapefile on the database. I'd already try with Spatialite and PostGIS to put shapefile (.shp) into it. But I'm still can't delivered my objection about reverse ...
3
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1answer
320 views

Bing's geocoder with GeoPy not returning a zipcode

I'm just getting started with GeoPy and have been running some tests to determine the quality of the different available geocoders. I have noticed that Bing's geocoder is more accurate than Google's ...
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2answers
296 views

Query MapInfo TAB Files

My company currently uses MapInfo Professional to map our client's addresses into territories. I have been asked to figure out a mechanism to do the same thing but real-time via a web service call. ...
0
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1answer
301 views

How to convert Singapore Onemap Co-ordinate to Google maps co-ordinate system

I have to fetch few 3000 co-ordinates (I am Geo-coding ) and convert it into Google map co-ordinate system. Following is the process I am doing I am calling Mapone.sg API for geo-coding in return ...
6
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6answers
1k views

What's the easiest way to do a one-time mass geocode? (580,000 addresses)

I am working on a civics related project and I need to be able to display all the properties in the City of Philadelphia on a map, so I'll need to get the latitude & longitude for all 580,000 ...