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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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5answers
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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, ...
21
votes
9answers
6k 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 ...
17
votes
6answers
29k 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: ...
16
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4answers
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 ...
15
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7answers
6k 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
15
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3answers
10k 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 ...
14
votes
5answers
5k 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 ...
12
votes
1answer
288 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 ...
11
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4answers
7k 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 ...
11
votes
3answers
2k 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 ...
11
votes
3answers
261 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?
11
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3answers
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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 ...
11
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3answers
2k 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 ...
10
votes
5answers
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.
10
votes
2answers
676 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, ...
10
votes
4answers
701 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 ...
10
votes
2answers
165 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 ...
10
votes
1answer
111 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 ...
10
votes
1answer
1k 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 ...
9
votes
6answers
6k 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.
9
votes
4answers
2k 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?
9
votes
3answers
634 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 ...
9
votes
2answers
484 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 ...
9
votes
2answers
251 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 ...
9
votes
1answer
119 views

Data on glaciers

I am looking for historical and current data on glaciers. Data such as glacier length changes, mass balances, imagery, flow speed, outline, runoff, etc. Does anyone know websites and databases ...
8
votes
5answers
3k 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 ...
8
votes
2answers
262 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 ...
8
votes
6answers
3k 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. ...
8
votes
5answers
2k 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 ...
8
votes
2answers
139 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 ...
8
votes
3answers
892 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 ...
8
votes
2answers
25k 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 ...
8
votes
2answers
754 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 ...
8
votes
2answers
269 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 ...
8
votes
2answers
1k 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 ...
8
votes
3answers
2k 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 ...
8
votes
1answer
300 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?
8
votes
2answers
1k 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 ...
8
votes
3answers
918 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 ...
8
votes
1answer
91 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 ...
8
votes
3answers
246 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. '...
8
votes
1answer
318 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 ...
8
votes
1answer
313 views

What is the best source of open data on sea level rise in Bangladesh and India?

I am trying to determine the level of rise in sea levels in coastal areas of India and Bangladesh. I was wondering if anyone knew the best sources of open data--mean local sea level, mean local tide ...
8
votes
2answers
1k 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 ...
8
votes
1answer
169 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/...
8
votes
2answers
890 views

Are there any APIs that find the shortest sea distance between two points, given the latitude and longitude?

Searching online turns up websites like this one, which can return the shortest over-water distance between two ports, but I'm looking for something more general. Are there APIs or datasets that would ...
8
votes
1answer
1k views

California water district boundaries

I'm looking for California water district boundaries, both private and public in any geographic format. This data appears to be available on Data.gov HERE and HERE, but the links are dead. I've ...
7
votes
6answers
379 views

Municipality 2017 shapefile Europe

Where can i find the municipality 2017 shapefile of Luxembourg or does someone know a site where I can download shapefiles of updated municipalities in Europe?
7
votes
6answers
2k views

Download list of the name of every country in Western languages

I am looking for a list of all (say 220) countries in all Western languages. At the very least, all 24 official EU languages. so that's a 220x24 or so table. So it should look something like: EN ...
7
votes
3answers
788 views

Where to find Geology data for Europe - GIS

I'm looking for Geological/Lithological data for Europe in any scale (obviously more detail = better). Is there something similar to Corine Land Cover, but for geology? CLC is great, because it ...