Questions tagged [geocoding]
Use when converting street addresses into spatial data that can be displayed as features on a map, by a reference dataset or locator.
759
questions
3
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2answers
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How to improve poor performance times for PostGIS 2.1 Tiger Geocoder?
I've recently upgraded my PostGIS DB from 2.0 to 2.1. I initially followed the instructions from Waiting for PostGIS 2.1 - Install PostGIS Tiger Geocoder as an Extension and 2.7. Installing, ...
3
votes
2answers
3k views
How to use Google Maps geocoding with Openlayers?
I'm making a Openlayers map with some shapefile and I have Google Maps base layer. I want to create a text area and a button. When I input a address and click the button, the map should show me the ...
3
votes
1answer
507 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 ...
3
votes
2answers
1k 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 ...
3
votes
1answer
2k views
Geocoding from street layer using QGIS (MMQGIS)
I have a question about geocoding from street layer using the MMQGIS plugin in QGIS. I have a list of addresses that I would like to geocode into latitude and longitude. Because the number of records ...
3
votes
1answer
133 views
Free address data providers for German? (like BEV for Austria)
I am looking for comprehensive address data (incl. house numbers) for Germany. Is there some kind of government agency that provides free downloads?
I know that the BEV (Bundesamt fuer Eich und ...
3
votes
1answer
556 views
Postgis geocoder size and performance
I have installed Postgresql 9.3.5 and Postgis 2.1.2 on a 16Gb Ubuntu 14.04 system.
(1) If I load all the states TIGER data, using the scripts provided in Postgis, how big will the database be for the ...
3
votes
2answers
3k views
Geopy Error with Reverse Geocoding
I am using Geopy. I get following error for the code.
I have using the same code as on https://code.google.com/p/geopy/wiki/ReverseGeocoding
from geopy import geocoders
g = geocoders.GeoNames()
(...
3
votes
1answer
268 views
What data does Esri use to create their US_RoofTop locator?
I'm creating address locators to be published on my local ArcGIS server instance and used by various applications. My server does not have access to the internet so I'm unable to use Esri's online ...
3
votes
1answer
681 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, ...
3
votes
1answer
186 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 ...
3
votes
1answer
996 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 ...
3
votes
1answer
113 views
Inconsistent performance using the tiger geocoder.
I'm testing the geocoder results for one state, and I'm getting different results for directions that seem to be well formatted.
E.G.
Geocoding these addresses is taking around 100ms each:
280 ...
3
votes
1answer
208 views
Create shapefile from millions of geocoded addresses
I am trying to make a map of administrative units in a state. I have a list of ~10 million addresses with a variable indicating which unit they fall into. My plan is to geocode the addresses using an ...
3
votes
1answer
39 views
Changing cache size for geocoding via ArcPy?
I recently posted this query: Arcpy script stalls, CPU usage goes to 0, no error message returned and got as a suggestion to increase the cache size in Arcpy for the geocoding of addresses that I am ...
3
votes
2answers
7k views
Get latitude and longitude from just the name of a company, its city and country of location, no physical address
I have been trying to find the latitude and longitude of a list of company-names. For example, the addresses look like this-(1Mobility India Pvt Ltd Pune Maharashtra India), (21st Century Software ...
3
votes
1answer
100 views
Faulty ArcGIS Address Locator
We are using a product that makes use of ArcGIS Runtime Engine 10.2. In attempting to find a particular address using the World Geocode Service (ArcGIS Online), I'm receiving nonsensical results:
...
3
votes
1answer
554 views
Decoding this GIS blob
I am new to the decoding world (and even to the world of gis), but I am definitely not new to programming and large data. I was tasked with uncovering a column in our db with this information. It's ...
3
votes
2answers
214 views
Is Sandy Springs, GA actually Atlanta, GA (ambiguous cities while geocoding)?
I installed postGIS and the associated TIGER geocoder for work, and noticed a strange thing when geocoding some addresses in the Atlanta area. For example, when I geocode the address "8610 Roswell Rd,...
3
votes
2answers
392 views
ArcGIS 10.3 geocoder
I recently upgraded, desktop, server, engine and SDE to 10.3, and of course had to upgrade some other features and extensions. It seems that now that I've upgraded to 10.3 my new 10.3 geocoders will ...
3
votes
1answer
335 views
Cemetery Grave/Person Locator [closed]
I'm a mediocre to intermediate ArcGIS user. I have created several point shapefiles, one for each section of a national cemetery, roughly 200-600 points in each section in a grid. Attached to these ...
3
votes
2answers
7k views
Offline geocoding and reverse geocoding for android
I'm developing an android application that cannot use internet and need to deal with maps and positioning.
Download OpenStreetMaps data seens to be a good solution to access map information offline. ...
3
votes
1answer
113 views
Geocoding building with different entrances?
I am working on a routing map for a university campus. the routes are modeled and network analyst works fine.
The problem: Many of these buildings have several entrances.
Is there a way to geocode ...
3
votes
1answer
2k views
How to calculate kml LatLonBox from corner coordinates?
I have corner coordinates for my image
upperleft lat/lon 80.5434057263 -35.6660101669
lowerleft lat/lon 74.8586568503 -16.5889844463
upperright lat/lon 83.3580195158 16.0865335458
lowerright lat/...
3
votes
2answers
528 views
Geocode an address and then buffer
I have a script which geocode an address and buffer that address by 1, 5 and 10 mile radius. The problem I am having is that the address on the map shows 4 different points not sure what's causing it. ...
3
votes
1answer
725 views
Address and coordinates of European cities request
I have a database of couple of millions of records which I would like to geocode. The data consists of addresses and council. All addresses are of a certain European city.
Questions:
May I have ...
3
votes
1answer
300 views
Is there geocoding “undo” button in CartoDB?
Here's the map in question: https://mwhite.cartodb.com/tables/where_good_neighbors_work
Our map had been working beautifully for several months, but when updates were attempted recently, all of our ...
3
votes
1answer
173 views
Why do I get huge memory and CPU spikes setting up the geocode tool
I am running the geocode tool against a database table which contains values for address, city, state, zip. I am using an address locator that I downloaded locally
http://gis.ats.ucla.edu/
Whenever ...
3
votes
2answers
866 views
google geocoding service combined with openlayers - not working
I'm trying to combine google's geocoding service with openlayers. So when a user types an address and hits enter, map zooms there and renders a simple point. I edited my code according to the previous ...
3
votes
1answer
263 views
Shapefile and geocoding to retrieve an area name
I'm very new to GIS and all things geospatial!
I have dbf, prj, sbn, sbx, shp and shx files that have been provided to me. The shapefile contains information on parts of the country that have been ...
3
votes
1answer
962 views
Correct coordinate systems, but trustworthy distance between points?
I have limited GIS experience with projections and I have some questions about trying to accurately display point data from two different sources in ArcGIS 10.1 in order to do a proximity analysis.
...
3
votes
2answers
528 views
Geocoding table when more rows expected to be appended to 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
votes
1answer
1k 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 arcpy....
3
votes
1answer
630 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 ...
3
votes
1answer
343 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
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 ...
3
votes
0answers
318 views
Add custom data into Nominatim geocoding search?
I have installed Nominatim on my local server to receive addresses from long/lat. I would like to add custom data to the search itself. I would like to store locations of the rooms of our buildings. ...
3
votes
0answers
420 views
QGIS freezes using MMQGIS plugin
I have a problem with geocoding addresses (about one thousand). I have a file (.csv) with a large number of addresses: street, house number, ZIP code, city. I used the mmqgis plug, but after geocoding ...
3
votes
0answers
434 views
Geocoding API: house number precision for Europe (Germany/Austria), other than google?
I am looking for an affordable geocoding option with the following criteria:
commercial use
<500$/month
allows to store LatLng results in my DB
house Number precision for Austria and Germany
...
3
votes
0answers
37 views
How is NokiaHere Geocoding Score calculated?
When geocoding an address in NokiaHere, a Component Score is calculated according to the information provided in the original address.
Example:
{"componentsScore": {"CITY": 1.0, "COUNTRY": 1.0, "...
3
votes
3answers
315 views
Need geocoding service to replace geocode.com service
I have used the geocode process at geocode.com for many years and now they are no longer doing this service so I'm looking for another service to help me with my geocoding. I wanted to list out what ...
3
votes
0answers
2k views
Unexpected Google geocoder API results when filtering by country
Labé is a city in Guinea. It is the capital of the Labé region and the Labé prefecture
When I use the Google Geocoder API to geocode [labe] with no filters, I get three results in Guinea: One for the ...
3
votes
0answers
156 views
Gazetteer with shapes?
I'm looking for a Gazetteer service. I only need the geocoding part and I need two entry points:
name look-up. Takes a query string, check for matching toponyms and
suggest alternatives. Ideally the ...
3
votes
0answers
709 views
Write Nominatim-like geocode query using only PostGIS functions?
I'm new to PostGIS and was anticipating being able to write geocode queries using only the functions provided by PostGIS. However, once I loaded my database using osm2pgsql and discovered tables like ...
3
votes
0answers
67 views
Differentiate between 10-based Locator and Other Locators
In ESRI documentation, it states that the IAdvancedIntersectionGeocoding interface is only available for use in older locators (9.3.1 and below). I have verified this statement. One major problem is ...
3
votes
0answers
1k views
Can Google Geocode returning addresses nearby
I am using google geocoding to bring me addresses according to what a user type on the search box in my iOS app. I would like to know if it is possible, lets say when the user types m google api ...
2
votes
2answers
1k views
Getting longitude/latitude coordinates from Addresses?
I got a CSV file with more than 15000 address, and I need to show them on a map of the South-West of France.
I've found the MMQGIS plugin on QGIS, but it does so without the right SCR.
Do you have ...
2
votes
2answers
11k views
how to convert latitude, longitude projection from epsg:3857 to epsg:4326
I want to use geocode in our application. so that, I got Google geocoding API and could achieve with Google Maps.
Problem is that I wanted to achieve the same with my own map which is having ...
2
votes
1answer
475 views
How to geocode IP addresses at finer resolution than the city level?
I have tried several Geocoding IP API or tools but found that the Lat/Long output is same for all addresses in the same city, which could not meet my needs. Can anyone suggest a better way to geocode ...
2
votes
3answers
12k views
Local geolocation to FIPS county using Latitude and Longitude
I millions of lat,long pairs and I want to convert to FIPS county codes that match with the US census data. In the past I used the census block api but that is too slow for the amount of numbers that ...
