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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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 ...
3
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4answers
2k 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 ...
2
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3answers
1k 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
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2answers
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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 ...
5
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4answers
3k 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 ...
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2answers
492 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 ...
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1answer
107 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, ...
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1answer
1k 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 ...
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0answers
340 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 ...
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1answer
56 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?
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1answer
721 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.
...
9
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1answer
3k 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 ...
6
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4answers
814 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 ...
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1answer
1k 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 ...
4
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2answers
460 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 ...
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1answer
478 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 ...
8
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3answers
488 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 ...
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2answers
664 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.
...
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1answer
520 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
404 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
185 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 ...
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1answer
687 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
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1answer
334 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 ...
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3answers
6k 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.
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1answer
2k 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 ...
5
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1answer
332 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
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1answer
197 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
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1answer
267 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
240 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. ...
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0answers
151 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 ...
5
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2answers
241 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, ...
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1answer
331 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 ...
14
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5answers
1k 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 ...
2
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1answer
160 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
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2answers
375 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 ...
5
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3answers
701 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) ...
3
votes
1answer
180 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 ...
5
votes
1answer
240 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 ...
3
votes
1answer
365 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 ...
7
votes
4answers
754 views
Why doesn't US One Address locator style have city, state or zip code fields?
I am using the file:
C:\Program Files\ArcGIS\Desktop10.0\Locators\US One Address.lot
To do address resolution on a parcel / polygon layer. I'm trying to understand why the file doesn't contain ...
2
votes
1answer
744 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 ...
4
votes
1answer
358 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 ...
4
votes
2answers
240 views
Is there a way to distinguish data precision in KML?
Here's my problem (and I was inspired to ask this from this question)...
I create a KML file recording where upcoming training courses will be for the next year. The cities might be Atlanta, Calgary, ...
8
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4answers
1k views
How to Geocode a City
First, a little disclaimer.
I know that I can just call one of any number of geocoding APIs to perform this for me. This is more of a curiosity than anything else.
With that aside, how does someone ...
3
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1answer
548 views
Wifi Positioning System (WPS) setup
I need to develop a shopping mall GIS. I have no idea to develop it. The shopping mall GIS should function like GPS (guides user to desire shops). Do I need to set up some GIS device at each corner of ...
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2answers
329 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 ...
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3answers
1k 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 ...
2
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1answer
635 views
Google maps API charset for http request ?? Geocoding Requests
im sending the following request to maps api but receiving the json response with chars problem. Can some one point me in the right direction to set charset correctly ?
Request -- ...
7
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2answers
959 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
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2answers
263 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 ...
