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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278 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
218 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 ...
4
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0answers
725 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
307 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 ...
12
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2answers
240 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 ...
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0answers
79 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" ...
4
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1answer
483 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?
4
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2answers
610 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
222 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 ...
3
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1answer
140 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
91 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
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1answer
376 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, ...
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2answers
830 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 -- ...
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4answers
4k 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 ...
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2answers
416 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 ...
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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 ...
2
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2answers
405 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 ...
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1answer
254 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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7answers
2k 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 ...
2
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4answers
3k 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?
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11answers
2k 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 ...
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2answers
224 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
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2answers
239 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
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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 ...
8
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1answer
441 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
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1answer
753 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 ...
4
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1answer
596 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
426 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
430 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 ...
2
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1answer
2k 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
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 ...
3
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3answers
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 ...
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2answers
644 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
149 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
64 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?
9
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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 ...
8
votes
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 ...
4
votes
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
807 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
930 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
730 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
627 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
511 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
votes
1answer
812 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
383 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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vote
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 ...
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vote
1answer
271 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
336 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. ...