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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42 views

Updating large Shapefile with new polygons

In QGIS I have a multipolygon layer that has about 100 polygons in it (property boundaries) and I will need to continually add polygons to it as they become available. What is the most efficient way ...
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0answers
13 views

Mirror image from georeferenced data

I created an image by converting georeferenced data. Unfortunately, it is the mirror of what it should be: I followed the instructions of a very recently published learning manual and did so a second ...
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2answers
93 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.
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1answer
45 views

Finding sum of points values within distance from paths

I'm willing to plot public transport data for a university project, and I'm currently trying to find out roughly how many people live with a reasonable distance from a set of bus routes. I have my ...
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16answers
93k views

Seeking full list of ISO ALPHA-2 and ISO ALPHA-3 country codes?

I'm searching for a full list of countries with their country codes. Like on this page (need full and valid): http://www.nationsonline.org/oneworld/country_code_list.htm
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1answer
24 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 ...
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24 views

Getting updated list of US Zip Code with latitude and longitude?

I have the old list of US Zip Codes which is missing some of the zip codes. How can I get the Updated list of Zip Codes in CSV format?
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1answer
49 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 ...
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0answers
18 views

Free GIS data that doesn't require attribution for printing on products

I'm keen to make some products to sell with map graphics printed on them. As these are physical products (eg tshirt etc) I don't want to include the attribution in the design. Is there a good source ...
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1answer
623 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.
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1answer
105 views

Looking for an Elko County Nevada Land Ownership Shapefile

I am looking for a Nevada Land Ownership shapefile. County and state GIS don't seem to have anything beyond pdf. Are there any public or commercial avenues to acquire land ownership in Nevada? I'...
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2answers
118 views

Data about administrative subdivisions capital cities

I am looking for data about second or third rank administrative capitals in every African country (the administrative centre of a country territorial subdivision), but I can't find anything close to ...
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8answers
10k 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 ...
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1answer
35 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 ...
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0answers
14 views

Seeking SA Suburbs GIS shapefile?

Can you provide a link to the South Africa Suburbs shapefile or specifically to the Umgungundlovu District Suburbs shapefile? I have browsed the demarcation board but it is not available on http://...
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1answer
142 views

Looking for a complete list of cities by state, with area code

Our company is working on moving our sales assignments from area codes to ZIP codes, and we need some kind of dataset to help move existing assignments to the new system. Does anyone here know where ...
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2answers
188 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 ...
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1answer
422 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 ...
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2answers
69 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 ...
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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 ...
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2answers
267 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 ...
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2answers
926 views

Seeking land use map in London and UK?

I am looking for the land use data of London in vector format, preferably in polygons. I am interested in whether a building / an area is residential, office or retail use, like this one (https://www....
22
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4answers
49k 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 ...
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1answer
194 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?
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5answers
3k views

Seeking free Archaeology datasets? [closed]

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

Extracting Derived Z-coordinate data

I am trying to extract the z coordinate value from the derived attributes, similar to How to re-calculate area, perim, p2a,width and length in QGIS? but I cannot see a dedicated operator for finding ...
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2answers
4k 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 ...
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1answer
616 views

Downloading OpenStreetMap and Imagery to ArcGIS Collector for Offline Use?

I am traveling to Costa Rica and would like to use Collector with my cell phone to record some information in a feature class. I would like to find some 1m or better imagery to put in a web map that ...
4
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2answers
796 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 ...
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1answer
26 views

Seeking quarternary watershed map of Eastern Ontario?

I am looking for a quarternary watershed map of Eastern Ontario. Where is the best place to look for this? I am currently using the ArcGIS Online basemap software to create my maps. I have a CSV ...
2
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2answers
4k 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 ...
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1answer
32 views

Seeking UK Postcode out-code list containing county?

I’m trying to put together a spreadsheet containing the following fields: postcode out-code, county Can anybody please point me in the direction of a list (or 2 lists which I could join) containing ...
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1answer
136 views

USA Historical Satellite Imagery for an Online Application

I am looking for different options to add historical satellite imagery to our online-based application. We currently incorporate Bing Maps into our application, but cannot get historical imagery. I ...
2
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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 ...
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0answers
11 views

Looking for the E-OBS gridded datasets V7.0 /V8.0 /V9.0 or any version published in 2012-2013

I am looking for a daily gridded dataset from ENSEMBLES E-obs published in 2012 or 2013 (version 7, 8 or 9). If anyone has any of them or knows anywhere I could access please let me know.
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1answer
1k 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 ...
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7answers
20k 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 ...
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1answer
48 views

Seeking USA congressional district to county relationship files?

This must be a common enough problem that other users have come across it. I've finagled my way around inconsistencies and dropped observations, but now I'm reaching out to see if anyone knows of a '...
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2answers
36 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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7answers
11k views

Export 3D data DXF file

I'm trying to export a DXF file from QGIS 1.8.0 Lisboa and can not have a 3D file in AutoCAD or Microstation. It results always in 2D file. How can I export height data from a shapefile in QGIS?
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0answers
29 views

Obtaining geographic data for California?

Where can I download census tracts and infrastructure data of California for 1997?
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0answers
12 views

Seeking ISO 19131 DPS XML Schema File?

Does an implementation of ISO 19131 (Data Product Specification) as an XML Schema File (XSD) exist, or anything that can help regarding XML and 19131?
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2answers
3k views

Seeking Javascript API for weather data? [closed]

I'm looking for a good javascript api which gives access to a weather data-base. I want to extract information like average number of rain days, amount of sunshine and average temperature. Is there ...
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3answers
2k views

How to update Bing base map data?

Can someone tell me how, or if it's possible, to send street centerline updates to Bing for inclusion in their base maps.
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3answers
19k views

Finding municipal-level administrative boundary data for India? [duplicate]

Does anyone know how to find a shapefile with boundaries of Indian municipalities? I have tehsil boundaries as for year 2001, but I would like boundaries of municipalities and, ideally, also ...
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1answer
34 views

Seeking aerial imagery for small site in VA? [closed]

I am trying to locate the best aerial imagery to use to assess a small area in Virginia using QGIS 3.6. I need to buffer features around water features and overlay onto aerial imagery to show ...
2
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1answer
255 views

GPSbabel: how do I define the layout of my input data

I have collected GPS data on a journey by extracting it every second from the $GPRMC NMEA sentence, with each reading saved in the form: time,latitude,longitude,speed,direction a typical couple of ...
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3answers
4k views

Seeking alternative to Google Maps Elevation API?

The Google Maps Elevation API lets me pass a URL like https://maps.googleapis.com/maps/api/elevation/json?locations=39.7391536,-104.984703 along with a developer key, and get a result like { "...
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1answer
48 views

Household Income Data Source (Canada)

I'm interested in accessing a shapefile or tabular dataset with household income data at as granular of level as possible in Canada (subunits on the island of Montreal specifically). Is this data ...
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1answer
35 views

Using raster for r.sim.sediment?

I'm quite new to QGIS. What data will I need to use the r.sim.sediment processing tool?