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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463 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
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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 ...
3
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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 ...
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2answers
681 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
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, ...
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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 ...
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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?
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1answer
5k 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 ...
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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 ...
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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 ...
4
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2answers
951 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
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 ...
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3answers
832 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
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. ...
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1answer
654 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
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1answer
544 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 ...
10
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1answer
890 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 ...
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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 ...
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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 ...
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1answer
289 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
347 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
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2answers
315 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
192 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 ...
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2answers
403 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
426 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 ...
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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 ...
2
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1answer
214 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
504 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
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) ...
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1answer
214 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
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1answer
285 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
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1answer
453 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 ...
4
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1answer
445 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 ...
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2answers
268 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
665 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 ...
9
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2answers
393 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
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 ...
2
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1answer
1k 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
1k 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
295 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
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3answers
948 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
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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 ...
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5answers
887 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
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3answers
414 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 ...
5
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2answers
642 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 ...