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.

learn more… | top users | synonyms (1)

4
votes
1answer
775 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 ...
3
votes
4answers
4k views

Free api to reverse geocode latitude, longitude to census tract?

I have a bunch of latitude,longitude coordinates (mostly city/town centroids) in the United States for which I'd like to find the containing census tract. For instance, input => nn.nnn, -nn.nnn ...
1
vote
1answer
69 views

UK Building co-ordinates web service

Within the UK, do any commercial web services offer building level geocoding to a coordinate? If so what level of accuracy is available?
19
votes
9answers
11k views

Bulk Geocode 20 million records

Are there any free or reasonably priced databases for the US which can be searched and return latitude and longitude information?
0
votes
2answers
2k views

How to get address coordinates from OSM?

I've got an osm file containing the city I live in. Now I've got a tool to render and display it in the browser (mapnik+postgis+tilecache+openlayers+geoext) and the task is to make an address search. ...
2
votes
4answers
7k views

How to use Google Maps V3 Geocode with Openlayers

How to use Google Maps V3 Geocode with Openlayers. Below is my code but the function does not execute when I try to integrate it with Openlayers. This works with my original google v3 file. Below is 2 ...
4
votes
1answer
587 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
votes
1answer
710 views

Geocoding failure on concurrent requests with arcgis-10.0

I've created a small python synchronous geoprocessing script (ctagc) that runs on AGS. The script accepts a table (GPRecordSet) as an input parameter. The script then calls ...
4
votes
2answers
1k views

Quickly plot 600+ Post Codes in ArcView 9.3

I have 613 post codes covering the UK, stored as an Excel file. I need to plot them - preferably all at once - in ArcMap (ArcView, 9.3). The post codes are 5 figures (e.g. BT19 6). Is there a quick ...
0
votes
2answers
236 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 ...
1
vote
1answer
1k views

ArcGIS 10 Locators: TA_Address_NA_10 vs TA_Streets_US_10 — which to use?

I see there are two locators on tasks.arcgisonline.com, TA_Address_NA_10 vs TA_Streets_US_10. I'm having difficulty understanding the difference between the two. From browsing the properties it seems ...
3
votes
1answer
376 views

How to scrape addresses from a webpage for geocoding purposes?

I am trying to get addresses from a webpage for mapping purposes. I know I could copy and paste the addresses into an Excel file and geocode them but I was wondering if there was any faster way to get ...
16
votes
7answers
13k views

Is there an open source Geocoding tool which can be used commercially?

Is there any Geocoding tool which is open source and can be used in commercial application? We tried Google geocoding API's but cannot continue with it because of some licensing limitation. Now ...
11
votes
6answers
3k 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 ...
8
votes
2answers
2k views

Is there an effective limit to the geoprocessing task Geocode Addresses?

The issue I face has the following background: We are geocoding an immense directory of records. It is something in excess of 100 million addresses. I have split the addresses up into as small a ...
1
vote
2answers
1k views

Geocoding Australian postcodes - MapInfo

How do I plot suburbs/location onto a map? I have a list of suburb postcode and their names in Excel. What is the process to plot them onto a Map? I'm in Australia. I use MapInfo Professional 10.1. ...
4
votes
1answer
2k views

Is there a method to create offline geocoder using OSM xml data?

I am trying to develop an offline android map that makes use of OSM map tiles of 15 zoom level, For this purpose i used an open source library : Osmdroid Now, i m looking into the possibility of ...
11
votes
2answers
3k 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 ...
0
votes
1answer
684 views

Purely client-side geocoding options for a webmap

I am creating a simple webmap that should be able to: Display external maptiles (any of the following: Cloudmade, Mapquest, Google). Overlay additional static layer in Geojson or KML format, that ...
4
votes
1answer
612 views

Open street map accuracy problem

I want to locate shops with open street map. For that I send a query to nominatim, a webservice which geocodes coordinates from addresses. I draw a marker at the returned coordinates, and it´s ...
4
votes
1answer
506 views

ArcGIS Geocode Single Address Python

How can I geocode a single address in python using arcgis 9.3? I found http://webhelp.esri.com/arcgiSDEsktop/9.3/index.cfm?TopicName=Geocode_Addresses_%28Geocoding%29 - but this does a whole table, ...
5
votes
2answers
302 views

Suggestions for Geocoding Messy, Inconsistent, Single-Field Addresses?

I have nine spreadsheets containing information about a total of 33,401 unique events in the greater Chicago area. I have been asked to geocode all of these, if possible, and I am certainly no ...
10
votes
1answer
974 views

Can you query overlapping user-defined polygons at a given point in Google Maps?

I need to find out the limitation of working with the Google Maps API, and the possible solutions for doing semi-complex spatial comparisons. What I'm looking to achieve is a system of comparison ...
12
votes
1answer
402 views

How to maintain integrity between changing street network and geocoded points?

We maintain hundreds of thousands of points geocoded against a dual-centerline Navteq street network. We are faced with the challenge of maintaining referential integrity between our points and the ...
16
votes
8answers
61k 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 ...
1
vote
1answer
3k views

Given city and state, how to get the nearest zip code in US

We have a situation where user enters a city, state for which we need to find a corresponding zip code. In case there is no corresponding zip code, we are required to find a zip code that close to the ...
1
vote
0answers
52 views

What are the steps to go from raw address data to a locator report? [closed]

I'm a seasoned programmer, but I'm new to GIS in general. I've read a decent amount of ArcPY documentation but haven't seen an example that takes me from raw data to a locator report, from start to ...
3
votes
4answers
1k views

Looking for the best data source for a geocoding database for Canada

I'm planning to build a Geocoding database for Canada. The goal is that - the database should be able to provide latitude and longitude for any given street level address in Canada. A similar ...
8
votes
3answers
1k views

Address Standardizer Options

Ok, so with ArcGIS 10, ESRI has depricated 'Address Standardizing' in the new locators, I know you can still use the 9.3.1 locators to do this; but I heavily suspect that after the 10.1 version we ...
1
vote
1answer
312 views

Connecting geocoded point to an identify function

I am using the esri javascript api to make a web map. I need to use an address locator to geocode a point and then depending on where that point lands information populates a side panel. I am assuming ...
4
votes
1answer
376 views

ArcGIS10 Geocode Parser Pretype Problems

If I leave any important information out, let me know and I will append what I can. I am running into this problem when using the geocoder to locate various addresses in Quebec with ArcMap 10 SP1. ...
7
votes
2answers
326 views

Geocoding through a language barrier

This is related to a previous question of mine. It has come to my attention that the streets file I use as my address locator in Canada uses French (or simply accented) characters for the names. ...
4
votes
0answers
793 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 ...
6
votes
1answer
4k views

How to create a point along a line given distance

I have been given a non-spatial database which contains the names of lines which I have a shapefile for. The database also has names of points and the distance of each point from the origin along the ...
1
vote
0answers
200 views

vba code for algorithm to assign track file gps UTM coordinates (East Africa) to an overlay 5x5km grid cell

The GPS coordinates are temporarily imported in to an Access database from DNR Garmin files downloaded (as dbf file(s)), and then exported for mapping in AEJEE (ArcExplorer Education Edition). I need ...
6
votes
2answers
487 views

Disambiguate messy place names in python (preferably on local machine)

I have list with several million place names that come from Flickr profiles. Users provided these placenames as free text, so they look like this: Roma, Italy Kennesaw, USA Saginaw, MI Rucker, ...
3
votes
1answer
316 views

How to get first, most current coordinate in GeoCoordinateWatcher?

It seems like when I have an app that uses a GeoCoordinateWatcher and I attempt to get the first coordinate, it always pulls the last coordinate that the GPS used first when raising the ...
0
votes
1answer
444 views

Problem running bounding-box queries

I am working on a google map application, to display the items that are listed in the selected rectangular area. Below image give you some understanding. Based on the co-ordinates ...
2
votes
1answer
233 views

Geocoding advice by using Arcgis

Hello everyone i have an administrative unit feature dataset (polygons) with 3 levels: Admin 1 - Province, Admin 2 - District and Admin 3 - Commune. Now i want to make a geocoding process of an ...
6
votes
2answers
527 views

Comparing TIGERLine 2006 (and prior) With New Shapefile Format

I have created a geo database using MySQL and the TIGERLine data files available from the US Census. This is actually an MSSQL database I created that I've transfered to MySQL. Everything works ...
3
votes
1answer
229 views

Which Address Locator types use which .cls files?

I am attempting to edit the standards file used with ArcGIS 10's geocoding engine. Unfortunately, there are 17 files! As far as this website instructs, there should be an .lot file that tells me which ...
3
votes
1answer
475 views

How to create bilingual composite address locator in ArcGIS 10?

I'm fairly new to geocoding in ArcGIS and stumbled upon first problem. I'm working with GeoPost data from Swiss Post. As long as I'm using their default locator everything works flawlessly. I also ...
3
votes
2answers
223 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 ...
14
votes
5answers
2k 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 ...
1
vote
1answer
282 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 ...
5
votes
3answers
1k views

GPS coordinates to neighboorhood?

I have tried both Google and Yahoo's Geocoding services to get the Montreal neighborhood/district from GPS coordinates but while they are both able retrieve the correct (address, city, state, country) ...
10
votes
1answer
6k views

Geocode quality: Nominatim vs. PostGIS Geocoder vs. Geocoder::US 2.0

I occasionally need to geocode >> 500,000 US street addresses (no features or intersections). I'd like to set up a geocoding service locally to handle these bulk geocodes. I've used the Tiger-based ...
2
votes
1answer
1k views

Customize geocoding locator styles in an ArcGIS Server environment

Using ArcGIS Desktop, it is relatively straightforward to customize locator styles by editing the corresponding CLS files. We are struggling to do the same in a server environment. We have created a ...
5
votes
1answer
305 views

Address locator not using modified .cls file

I have made a customization to the US Streets locator style for our application. We've changed "SR" to map to "STATE ROAD" instead of "HC" in the us_addr.cls file in the C:\Program Files (x86)\ArcGIS ...
4
votes
1answer
473 views

Is there a service that does geocoding with advanced language support?

I'm building an address disambiguation page and I'm interested in having geocoding results returned in the local language of the country the result's in. For example, if I make a reverse geocoding ...