Questions tagged [data]

Any collection of related facts arranged in a particular format; often, the basic elements of information that are produced, stored, or processed by a computer.

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6
votes
5answers
7k views

Where can I find a shapefile for the coastline of North America?

I am looking for a shapefile representing the coastlines of North America, such as something like this: http://www.diva-gis.org/gdata Does anyone have any suggestions?
1
vote
1answer
121 views

Need for existing spatial ontology

I am currently working on a project involving a spatial ontology. However, it is not very clear to me to what extent spatial ontologies are available in practice (and not only sketched in scholar ...
0
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2answers
123 views

Seeking Demographic Information of U.S. Census Blocks

I am struggling to find the blockwise (not blockgroup or tract) data like employment status, household income, commuting distance, list of place of interest, industry information. By using American ...
4
votes
1answer
2k views

Getting household income data based on address to block level?

I am beginning a research project and need to find a way to access the census data about household income. We need it at a closer level than by zip code since income varies a lot by zip code in our ...
2
votes
1answer
81 views

Seeking Nigeria administrative boundaries

I am looking for Nigeria administrative boundaries (0-3) level especially the 3 rd level which is called "senatorial districts". Where can I find these?
0
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0answers
16 views

Finding satellite imaging showing developments in landcover in specific geographic areas?

I'm a student looking to compare the development in landcover every 5(ish) years across San Diego county & am not finding much luck with it so far.
4
votes
3answers
14k views

UK coastline shapefile?

I'm looking for a shapefile for the coastline of the UK. I'm guessing the Ordnance Survey 'geo-portal' is the best place to get this, but whenever I go to the Ordnance Survey site I get the shakes. (...
1
vote
1answer
39 views

Making one to many to many Attribute Relationships

I am making relationship between three tables in QGIS 3.8 version ("ACTIVE SITE","FUEL_TANK","REFUEL"). The primary key and the foreign key for the Tables are as follow the primary keys are "ACTIVE ...
0
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3answers
78 views

Seeking data for São Tomé and Príncipe?

I am a total GIS beginner and have been trying to make some simple maps of the nation of São Tomé and Príncipe using QGIS and publicly available data. The readily available data I find comes from OSM. ...
0
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0answers
28 views

Seeking high resolution real-color (RGB imagery) dataset?

Specifically interested in the the South Florida region, USA. The aim is to pull up high quality aerials to detect manholes and wellheads from space! These things can typically be half a foot to a ...
-1
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1answer
42 views

Copyright of using geospatial data from the internet [closed]

I am curious about what kind of copyright does geospatial data that can be downloaded from the internet have. For example, if I want to use data like OSM data, satellite imagery data etc to make ...
16
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7answers
4k views

What iOS (iPhone/iPad) app from the App Store can I use to collect data?

What iOS app from the iTunes App Store can I use to collect data (mainly points, perhaps photos) and later import them into my GIS? I am mainly interested in an out-of-the-box solution, not develop ...
-1
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3answers
132 views

Daily temperature data portal globally

Is there any climatic portal for downloading historical climatic data ( Rainfall & Temperature) on a daily basis or at least on a decadal basis? PRISM gives only for US regions.
-1
votes
1answer
23 views

Netherlands census data by municipality (gemeente)

I am looking for Dutch Census data (period 2012-2019), aggregated at the gemeente level (municipality), covering basic population statistics (number of people, gender, age, ethnicity, etc). The ...
0
votes
0answers
30 views

Download traffic signs as geodata (e.g. GeoJSON) from OpenStreetCam

Do you know any way to download traffic sign data (stop signs, give ways etc.) in a geographical format (KML, GeoJSON, Shapefile...) from OpenStreetCam?
13
votes
10answers
69k views

Where can I find Canadian postal code geometries?

Where can I find the shapefiles for Canadian postal codes?
1
vote
0answers
24 views

Recognized, calibrated test points for a rangefinding function?

I'm trying to find out if there are scientifically accepted calibration points to measure the effectiveness of a geodetic distance finding function. So far I've been using the listed latitude / ...
3
votes
3answers
16k views

Complete list of UK postcodes plus their city, county, uk country

Is there a free data set of all current UK postcodes (about 1.7 million-ish) plus their city name, county and UK country (e.g. Liverpool, Merseyside, England) and ideally lat, long, east, northings?
2
votes
2answers
392 views

Test data for geocoder

Can you suggest good international test dataset for geocoder testing? Best if it would have unstructured and structured addresses, and coordinates, but even significant number (thousands, millions) of ...
-2
votes
1answer
41 views

Seeking list of geodetic benchmark locations for all of Canada? [duplicate]

Does anyone know where I can find a list of geodetic benchmark locations for all of Canada? I am looking for a few specific control monuments in Arctic Canada with accurate coordinates
1
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3answers
9k views

Locations of Geodetic Survey Benchmarks in Ontario?

Does anyone know where I can find a list of geodetic benchmark locations for Ontario? (If a list even exists that is...)
3
votes
1answer
978 views

Global POI database in JSON format?

Does anyone knows if there is a flat file database of points of interest in a json format somewhere available for download? If not how would one set off to create such a database? Are there any tools ...
-1
votes
1answer
2k views

Seeking GIS data about NYC's combined sewers (CSO) that's free to use? [closed]

I've located two sites that display the data that I'm looking for, but both lack exporting functions. OASIS NYC and maps.nyc/gov Otherwise I can't locate this data anywhere in a format I can use in ...
0
votes
2answers
91 views

Seeking historic aerials for some areas in Dona Ana County, New Mexico?

How do I find several historic aerials from the mid-1970's or early 1980's and where can I download them? I would like them to be free of charge.
6
votes
2answers
2k views

Seeking “Official” delineation of North American mountain ranges?

I need to subset mosaics of remotely sourced data to the extents of several prominent North American mountain ranges, starting with the Sierra Nevada. After searching for the boundaries of the range ...
-1
votes
1answer
47 views

Seeking polygons that map out land zone type (ie Residential, Industrial, Commercial) in UK?

I'm looking at displaying the commercial and industrial areas of the UK on QGIS so that I can do some work on them. I'm not looking to add my own data to it, merely find a shapefile or geopackage or ...
1
vote
1answer
64 views

Seeking Shapefile of World countries with national currency attribute?

I looking for Shapefile of a World countries having an attribute of the national currency, do you know how can I get that ?
0
votes
0answers
21 views

Need mountain ranges of North America polygon shape file for QGIS [duplicate]

Can anyone recommend a polygon shape file of the North American mountain ranges, and the website I can download it from? Something like the attached image, except I don't know where the attached image ...
0
votes
2answers
2k views

Seeking Elevation Data for Scotland? [closed]

I have been searching for quality elevation data for the entire Scotland but I have not succeeded yet. Do you know where to get the data in Raster or Vector formats? Accuracy is very important as ...
0
votes
1answer
1k views

Seeking free elevation data for Thailand/Bangkok?

I am in the process of writing my thesis on flood hazard preparedness and forecasting in South East Asia, specifically Thailand. My analysis requires a medium resolution (even better, high resolution) ...
0
votes
2answers
106 views

Source for regularly updated ENCs?

Is there a reliable source for Electronic Navigation Charts, where they get updated regularly? I am able to find for American waters on the NOAA website, but not for other regions.
-1
votes
1answer
137 views

Seeking TopoJSON map of Chinese provinces which includes Hong Kong, Macau and Taiwan?

I have a TopoJSON map of China which is working well in d3.js. However, it is essential that I add Hong Kong, Macau/Macao and Taiwan to the map, but they are not included in the TopoJSON file. I have ...
-4
votes
1answer
94 views

Seeking shapefiles for regions? [closed]

We are looking for shapefiles/geojson for below regions: Africa Eastern Africa Western Africa Northern Africa Middle Africa Southern Asia Southcentral Asia Eastern Asia Southeastern Asia Western ...
9
votes
1answer
646 views

OpenStreetMaps offline tile packs

Is there a place where I could download OpenStreetMaps tile packs for the united states? I would like to have offline access for the whole country.
9
votes
8answers
12k views

Comprehensive database of all cities/towns in South Africa?

The title says it all really - I'm looking for a comprehensive list/database of all cities/towns in South Africa. I know about these guys: http://www.afrigis.co.za/, but they're just not getting back ...
-1
votes
1answer
41 views

Seeking shapefiles of buildings in Qingdao, China? [closed]

We are starting a new esearch project in China and I've been looking for a while and the closest thing I can find is buildings of Beijing. But I need Qingdao not Beijing. It seems like I will have to ...
1
vote
2answers
273 views

Free Map matching benchmark data

I have my own map matching algorithm and I want to compare it's accuracy to some other algorithms. Is there a free trace dataset that has a confirmed match for each trace (ground truth), so I can ...
1
vote
1answer
541 views

Getting historical administrative boundary GIS files for India?

I am currently working on a project for which I need to get GIS maps of India at a district-level in the 80's and 90's. India's district and state boundaries have changed considerably over the time ...
1
vote
2answers
158 views

Seeking free public LIDAR data of road in LAS format?

I am currently working on LiDAR point cloud road marking extraction. Please help me to get relevant public dataset in LAS format? Sample data is as shown in the image below: Data without original ...
4
votes
1answer
2k views

Seeking population of each Indian village and town?

There are over 600,000 villages in India. I want to get the population of each of the village according to 2011 census. I searched the http://censusindia.gov.in website for hours but could not get ...
23
votes
4answers
51k views

Seeking Country/State/City Database? [closed]

I am creating a directory which uses locations to categorize all listings. Instead of relying on user input, I'd like to provide a list of locations which the user can select. I have already tried ...
2
votes
1answer
223 views

Looking For Free Global Bedrock Geology Data

I've searched around for a freely available global bedrock geology data set, but I have yet to find one. Anyone come across such dataset?
12
votes
5answers
3k views

Seeking free Archaeology datasets? [closed]

Are there any sites that gather free archaeology datasets?
3
votes
2answers
5k views

Looking for soil shapefiles for India

Is there any place where we can get soil Shapefiles of India (if not detailed information, can we get region wise/state wise)? I have seen this data base for few regions like USA. To compute "Q" in ...
4
votes
2answers
949 views

API for land use/land cover

I'm making a mobile game that uses GPS to interact with the real world. The game should be able to "see" what terrain/land use/land cover the user is currently in. Ideally, the game would send the ...
2
votes
2answers
5k views

One shapefile for African continent containing counties/regions?

I use R to do my geo stuff with two limitations. First, I'm pretty new to all the geo stuff, and second I got lost while searching for a shapefile. I'm looking for a shapefile that contains all the ...
2
votes
1answer
2k views

Finding and using data on population density files?

I'm attempting to replicate this map for the state of Nevada in QGIS: source: http://www.bostonfed.org/commdev/c&b/2014/spring/map-distance-to-closest-snap-outlet.htm (A SNAP outlet is just a ...
0
votes
1answer
2k views

Where to find GeoJSON data for the UK?

I want to get GeoJSON data for the UK. The regions which I require are in the map displayed in the below link: Former Government Office regions I have been searching the net but all in vain. Can ...
14
votes
7answers
24k views

Source for GeoJSON data for the US

Does anyone know of any good sources for US data (counties, congressional districts, etc) in GeoJSON format? Has anyone converted public-domain shapefiles/sources to GeoJSON that they would be willing ...
0
votes
2answers
113 views

Seeking Uruguay or South America DEM or DTM? [closed]

Is there any DEM (Digital Elevation Model) or DTM (Digital Terrain Model) for Uruguay or South America? I am aware of the Renare for Uruguay.

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