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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3
votes
2answers
251 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 ...
8
votes
4answers
4k views

Geocode address once in google maps, save in database, read geocoded result from there on

Is it possible to geocode an address, save the result in a database, then read that result from there on? I'm using a Google map that is geocoding hundreds of addresses which obviously hit the ...
2
votes
0answers
22 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 ...
3
votes
4answers
4k 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 ...
2
votes
2answers
449 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 ...
2
votes
4answers
4k 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?
4
votes
2answers
249 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 ...
8
votes
1answer
468 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 ...
1
vote
2answers
2k views

add location search to openlayers map

I am trying to figure out how to add a search functionality to my openlayers map. I want the user to type in an address and the map to zoom into the location. I am looking at different geocoders and ...
5
votes
1answer
804 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 ...
1
vote
2answers
457 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. ...
18
votes
1answer
2k views

Comparison of geocoding solutions (such as Gisgraphy & PostGIS 2.0)

As I am sure many of you are aware, PostGIS has finally released Version 2.0 and included within this version they have also built a geocoder (see: http://postgis.net/docs/Extras.html). Although I ...
0
votes
2answers
2k views

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 ...
0
votes
1answer
461 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 ...
3
votes
3answers
2k 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 ...
3
votes
1answer
3k views

How to reverse geocode without Google?

I have a basic tracking system i've written with OpenLayers using google and openstreetmap and I want to use geocoding to get street names etc However, I'm a bit confused. I was hoping there was a ...
7
votes
4answers
2k 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 ...
5
votes
5answers
3k views

Open Source Address Correction / Parser with Fuzzy Matching

Here is a a little bit of a detailed question related to address parsing/geocoding which I feel should be interesting to many users. So, essentially I am curious to know if anyone has had any ...
6
votes
5answers
8k views

How to Geocode 300,000 addresses on the fly?

I have a database which has 300,000 address, which are to be shown on map. I know if I geo-code all the address it will be too expensive for me. So I was wondering if it is possible to geo-code the ...
1
vote
2answers
680 views

How to make distance calculated using Latitude and Longitude more accurate

I'm coding a Web App whereby users can choose their city (start) and a destination city, and find out the approximate distance between both cities, using Latitude and Longitude of both cities to ...
9
votes
3answers
5k 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?
1
vote
1answer
164 views

Demographic Info within 3 miles of longitude and latitude

I want to get demographic information within three or five miles of a location given its longitude and latitude. The demographic info I am looking for include number of people, age distribution, ...
1
vote
1answer
2k views

Resizing and Reshaping features in Openlayers

Resizing and Reshaping features in Openlayers. I have a map with Openlayers and some controls to draw and modify Features. I need to activate the Resize and Drag and Rotate check button fields as ...
5
votes
1answer
602 views

Different searching results in local Nominatim and openstreetmap.org

I've just installed Nominatim using this guide. I've successfully import fresh osm.bz2 file with data for Saint-Petersburg, Russia into my postgresql database. Nominatim search script works, but it ...
4
votes
1answer
669 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
3k 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
67 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?
17
votes
9answers
8k 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
1k 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
6k 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
522 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
644 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
945 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
228 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 ...
15
votes
6answers
11k 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 ...
10
votes
7answers
2k 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
653 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
540 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
2answers
262 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
887 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
393 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
47k 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
49 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
956 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 ...