Questions tagged [geospatial]

Geospatial pertains to the geographic location and characteristics of natural or constructed features and boundaries on, above, or below the Earth's surface, particularly referring to data that is geographic and spatial in nature.

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How to normalize the data when mapping crime reports?

Most maps using count of reports of crime end up being maps of the population density of cities. An attractive response would be to turn these counts into a rate, but a rate per what? Most commonly, ...
fgregg's user avatar
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24 votes
9 answers
9k views

Is there an open API for world terrain data?

I'm looking for open-source or publicly-available terrain data, for instance heightmaps or DEMs -- ideally GeoTIFFS by way of an easy-to-use API. For instance: you pass a pair of lat/longs and maybe a ...
meetar's user avatar
  • 584
22 votes
6 answers
48k views

Mapping counties to zip codes

Is there any freely available data that relates USA zip codes and USA counties (FIPS County codes)? Since counties can contain multiple zip codes, one can have multiple entries, in such a table: ...
Amelio Vazquez-Reina's user avatar
17 votes
5 answers
7k views

Trying to locate US Census Shapefiles for all MSA's (Metropolitan & Micropolitan Statistical Areas)

I've been rooting around at the US Census Dept's Tigerline Shapefile download area through the web portal here: http://www.census.gov/cgi-bin/geo/shapefiles2013/main And have been pretty successful ...
boulder_ruby's user avatar
17 votes
5 answers
12k views

World city database (with longitude, latitude) and population per year

I'm building a visualisation with cities' population around the globe for a website. I found the MaxMind free database that includes most cities around the globe with coordinates and population, which ...
tomtomtom's user avatar
  • 355
16 votes
8 answers
7k views

Looking for Open Data Source to Correlate Address to Latitude/Longitude (geocoding)

Are there any open data sources that can help correlate a given address to a latitude/longitude coordinate? aka geocoding
Dan Ciborowski - MSFT's user avatar
16 votes
4 answers
2k views

List of data sources at the state, county and zip / zcta level

I am trying to compile a list data sources - excluding the US Census - that cover the continental US at the state, county and ZIP/ZCTA level. Any help would be appreciated. Additional details: I ...
Ari's user avatar
  • 263
13 votes
5 answers
8k views

Airport / airline data from all over the world

Where can I get a database with airports and possible with (available / closed) runways from all over the world? I am looking for airlines and contact info of managers in decision-making positions at ...
János's user avatar
  • 899
13 votes
5 answers
24k views

Free source of AIS data (API)

The automatic identification system (AIS) is an automatic tracking system that uses transponders on ships to locate them. There are also databases that provide information about the ship — size, type, ...
Mawg's user avatar
  • 793
13 votes
1 answer
336 views

Resources to create CC0/ CC BY cartography?

Cartography and map-based mashups are often based on Google Maps/ Google Earth (all rights reserved) or Open StreetMap (ODbL/CC BY-SA), neither of which are compatible with publishing the results ...
Daniel Mietchen's user avatar
12 votes
3 answers
3k views

Where could I find open data about ATM locations (in Paris)?

I'm thinking of building an application that shows you the nearest ATM machine, but I don't know where I can find open data about ATM locations (or if there even is such data available). I'm asking ...
Alex's user avatar
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12 votes
6 answers
8k views

Where can I find a database of hotel property locations?

Looking for an open database of lat/long co-ordinates for hotels. I am aware of sites like Factual.com but I'm looking for something more open.
Conor's user avatar
  • 223
12 votes
3 answers
4k views

Where can I download photoperiod (daylength) data?

I'm looking to download photoperiod (day length) data for a variety of locations in Europe on a variety of dates. For each date and locations, I need to the number of hours of daylight. Ideally, the ...
luciano's user avatar
  • 311
11 votes
5 answers
2k views

Looking for a list of major cities of the world

Wikipedia has pages for containing a list of towns and cities with 100,000 or more inhabitants. I'd like this same data in machine readable format, with country and city names.
Ollie Glass's user avatar
11 votes
3 answers
345 views

What are the most useful formats in which to release geospatial data?

In the past, I have released data as zipped Shapefiles (for the professional GIS crowd) and KML/KMZ (viewable by anyone using Google Earth). Are there other formats that would be especially helpful?
nicksuch's user avatar
  • 293
11 votes
2 answers
652 views

List of all universities by country

Is there a list of all universities by country including their websites, location, latitude and longitude, facebook, twitter, youtube, founding year etc. I can't believe such a data set is not ...
user3237694's user avatar
11 votes
2 answers
752 views

How does Google Maps get traffic info?

I am living in Croatia, and I for sure know that our government and road regulating authorities didn't sign anything with Google in regards to giving the data away. So, how can google, in real time, ...
Daniel Mošmondor's user avatar
11 votes
3 answers
4k views

Converting Geographic Coordinates to New York City neighboorhood names

Does anyone know of a simple tool, method or dataset to enable someone to convert geographic coordinates to New York City neighborhood names? At the very least, it would be good to map a dataset to ...
Learning stats by example's user avatar
11 votes
4 answers
762 views

Examples of scraping from "real-world" data sources using OCR, etc?

Are there any examples of open data that have been scraped from "real-world" sources? To explain what I mean by "real-world", here are some (made up) examples and then some criteria: Train departure ...
Croad Langshan's user avatar
11 votes
2 answers
4k views

City road maps as graphs

City streets can be represented as graphs with crossings as vertices and roads as edges. And, naturally, that's the representation traffic routing services (like Google Maps) are based on. These ...
Anton Tarasenko's user avatar
10 votes
4 answers
56k views

A table mapping from US county or ZIP to Nielsen Designated Market Area (DMA)

Nielsen has come up with this notion: A DMA region is a group of counties that form an exclusive geographic area[...] DMAs partition all US counties, and I want to know which counties belong to ...
Frank's user avatar
  • 203
10 votes
3 answers
800 views

European crime data with spatial coordinates

I am looking for prostitution arrest and drug arrest data for a couple of major cities in Western Europe. So cities such as Paris, Rome, Rotterdam, Amsterdam, Berlin, etc. Ideally the data would have ...
krishnab's user avatar
  • 459
10 votes
4 answers
299 views

API to get Wikimedia Commons categories that are near a particular latitude/longitude

I have a coordinate, and I want to know what Commons categories are nearby. For instance, for 40.7576,-73.9857 I would get Category:Times Square and probably Category:Broadway and a few others nearby....
Nicolas Raoul's user avatar
  • 8,426
10 votes
2 answers
313 views

High resolution, small area, maps that characterise natural terrain

I would like to collate a library of terrain types and features, suitable as reference material for generating small scale artificial versions (for gaming or concept art). For example, I might wish to ...
Neil Slater's user avatar
10 votes
3 answers
303 views

Where can I find Historical GIS datasets?

I've been looking for a while for Historical GIS datasets. In a lot of places (also in answers here at StackExchange), people are referring to a great dataset at ThinkQuest, which contains detailed ...
carelfransen's user avatar
10 votes
2 answers
2k views

ISO 3166-2 codes to Olson Time Zone Codes

Just curious, is it possible to link ISO 3166-2 codes to Olson Time Zone Codes. For example the US has these Olson Time Zone Codes: US United States America/Adak US United States America/...
cs0815's user avatar
  • 507
9 votes
4 answers
3k views

Where can I find all cities, regions and cantons of Switzerland?

I am interested in finding all cities, regions and cantons of Switzerland. Where can I find them?
Dion's user avatar
  • 193
9 votes
6 answers
7k views

Dataset of languages and where they are spoken (sub-national)

I am looking for a dataset describing (nearly) all languages, and where they are spoken. Bonus if the areas are linked to Geonames or another mainstream geographical dataset. Polygons are also OK. ...
Nicolas Raoul's user avatar
  • 8,426
9 votes
6 answers
3k views

Looking for US County elevation data

I'd like to explore the connection between altitude and suicide rates discussed in the 2011 paper, Positive Association between Altitude and Suicide in 2584 U.S. Counties. I can get some data for the ...
xan's user avatar
  • 481
9 votes
2 answers
10k views

Shapes of ZIP codes - polygons for each ZIP code

I'm looking for an open data set that contains polygons with the shape of each ZIP code in the US. GeoJSON format would be ideal. I've done a bunch of searching, and I've been able to find shape ...
D.W.'s user avatar
  • 193
9 votes
3 answers
525 views

Where to get usa coastline/shoreline data

From where I can collect the USA coastline/shoreline data classified by name. I have the shoreline data but not classified. By classified I mean name of the coastline in different region. e.g. '...
Learner's user avatar
  • 323
9 votes
2 answers
3k views

Shapefile of Malaysia Postal codes?

I am currently doing a project regarding a Choropleth map and I need data sets containing postal codes of Malaysia in a shapefile for map making purposes. I have already gone through these sources ...
user14715's user avatar
9 votes
1 answer
504 views

ATM locations in UK and/or Ireland

I know lots of organizations and websites are publishing some of these but is there an open dataset with at a minimum of location and operator for ATMs in the UK and possible Ireland?
Phil's user avatar
  • 323
9 votes
2 answers
2k views

London rail and tube station locations

I'm looking for a data set of rail and tube stations in the Transport for London network, specifically, stations where one could use an Oyster card. I'm interested in the locations of these stations ...
Alex's user avatar
  • 91
9 votes
5 answers
3k views

Flood Plain API

I want to be able to send an address anywhere in the USA and get back flood risk data. FEMA houses flood plain maps. If you give them an address, you just get a map, and you have to look at it to ...
Paul Mayfield's user avatar
9 votes
1 answer
134 views

Where can I find high-precision cartographic data of French rural areas?

While OpenStreetMap is rather good for cartographic information (and rendered maps) in urban areas of France, it is rather unsatisfactory in rural areas (except in the area where I live, where I ...
F'x's user avatar
  • 193
9 votes
1 answer
3k views

Football (Soccer) Player x,y,t data

I am looking for something that has the (x,y) coordinates of all players on the pitch over time. I found this: https://heim.ifi.uio.no/paalh/publications/files/mmsys2014-dataset.pdf however, they ...
anonymous's user avatar
8 votes
5 answers
4k views

What's the best way to host map tiles?

I'm interested in generating some open-source maps, with possibly world-wide coverage. I know that depending on the number of zoom levels I include, the number of tiles can be very large, taking up a ...
meetar's user avatar
  • 584
8 votes
2 answers
277 views

High resolution population density maps in the US

I want to write a districting algorithm like the one found on RangeVoting.org: It looks like they have a pretty good source of population density. Is there somewhere I can find a similar source of ...
John Gietzen's user avatar
8 votes
4 answers
11k views

Seeking list of all US cities and their latitude and longitude

I am looking for a list of all US cities and their latitude and longitude. Ideally something free will work but I'm willing to pay for it if its not too expensive and its complete.
bbennett36's user avatar
8 votes
3 answers
1k views

Map of Orange County (CA) buildings

I'm plotting a map of the Los Angeles metro area, and I'm using TileMill. I've loaded different layers for the geographical data, and wanted to add buildings as well. So I found this map for the LA ...
tomtomtom's user avatar
  • 355
8 votes
2 answers
186 views

World population density

I need a rough estimate of how many people live in each "cell" of the Earth. For instance, how many people live in the cell between latitudes 70/80 and longitudes 210/220? Exact number is not ...
Nicolas Raoul's user avatar
  • 8,426
8 votes
2 answers
1k views

Looking for geo localization data of golf courses

I'm looking for free geo localization data of world wide golf courses. I can easily parse and store this information from several specialized websites... But I would like to find another way to get it ...
rortelli's user avatar
8 votes
2 answers
328 views

Sources of topograpical maps for use in LaTeX documents

I would like to add a partial map of Prague into my LaTeX document but I am lost where to begin search for maps and how to get them into the document. I suppose that once I can get EPS or PDF of map ...
wilx's user avatar
  • 183
8 votes
3 answers
4k views

Average temperature by country 1990-2012

I am looking for a dataset that provides me with one (or a few, e.g. summer and winter average day temperature) average temperature per year per country. I am aware that there are quite a few ways ...
Rob Hall's user avatar
  • 201
8 votes
3 answers
3k views

Free ocean currents polyline/shapefile download?

Does anyone know where I can find a map of polylines/polygons indicating the rough location of major (and minor if possible) oceanic currents? Velocity is always welcome, but directionality would be ...
Amroco's user avatar
  • 183
8 votes
1 answer
138 views

OpenStreetMap: Finding shape dimensions from a query

I often propose OSM as a resource on this site, but actually I don't know how to use it very well. (I'll post this first to OpenData but maybe it's more appropriate for GIS.) If I have a single ...
philshem's user avatar
  • 17.6k
8 votes
1 answer
376 views

Shape Files (Free downloads) for districts of the world

I am looking for shape files(polygons data) of all the districts in the world. I can find few files from different sources for districts of one country but I need one (updated) file that have all the ...
Asim Saeed's user avatar
8 votes
1 answer
202 views

Wind energy data in India

I am looking for wind energy data (they can be wind speed at any height or wind energy potential) for India in a GIS format. Like the data displayed the link below: http://www.arcgis.com/apps/OnePane/...
dimitris's user avatar
  • 181
8 votes
2 answers
2k views

Database of Ingress portals

Ingress is a game where users contribute "portals". Each portal has: Coordinates Name, for instance "Eiffel Tower" Picture Is there a database of all portals, or an API to find portals at least in ...
Nicolas Raoul's user avatar
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