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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-2 votes
0 answers
15 views

Sequoia 2000 benchmark data

I'm recreating the DBSCAN cluster algorithm which uses the Sequoia 2000 benchmark dataset. There's an old question here that has a link for the dataset, but I've been doing more research and I can't ...
4 votes
2 answers
14k views

PLSS shapefiles - alternative to geocommunicator.gov?

The BLM's website geocommunicator.gov is down and I'm wondering if anyone knows of a second source for PLSS shapefiles.
0 votes
1 answer
621 views

Downloading Polygon/Administrative Boundaries using WikiMapia

Is there any way to download administrative boundaries / polygons for a small city through Wikimapia? I tried to download the boundaries but the results were points not polygons. I need to download ...
1 vote
1 answer
269 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 '...
-1 votes
0 answers
7 views

Global hydrological drought SDI and SRI data sets

I am an ecological researcher and I am doing research in ecology. I wanted to know how to calculate hydrological drought (SDI/SRI), and I tried searching on google for remote sensing products in this ...
4 votes
2 answers
2k views

Searching for UN regions/sub-regions shapefile

for a visualisation project I need the boundaries of the UN regions as defined here : http://unstats.un.org/unsd/methods/m49/m49regin.htm That's 21 polygons for the sub-regions. I have been looking ...
1 vote
1 answer
207 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 ...
0 votes
1 answer
9 views

How to set logoUrl to display the logo image in the THREDDS data server?

According to https://docs.unidata.ucar.edu/tds/5.2/userguide/tds_config_ref.html#server-information: The best way to use your own logo is to put it in the ${tds.content.root.path}/thredds/public/ ...
-1 votes
0 answers
23 views

Looking for road area - shapefile, UK

Does anyone know where you can download the road networks for the UK, outlining the whole road. I have found many shapefiles for just the road network/link showing a singular narrow line, but I am ...
2 votes
3 answers
278 views

Seeking classified image download for soil,vegetation or water resources

Is there any site which provide classified image download for soil,vegetation or water resources? It is particularly for Indian states, that I need them. The raster data may also work for me in above ...
-1 votes
0 answers
16 views

Seeking administrative boundaries for neighborhood councils (NCs) of Nowshera, Pakistan

I am trying to find administrative boundary shapefiles for neighborhood councils (NCs) of Nowshera (Pakistan). The only available data I could find was only up to union-council dataset. Has anyone ...
3 votes
3 answers
3k views

Where can I find a dataset containing locations of all USPS post offices?

I searched the USPS web site, queried GeoData.gov, did a general Google search and turned up nothing. I tried querying GNIS for feature type post office, but the data is listed as "entered 1993" for ...
0 votes
0 answers
27 views

Repository where I can find old / obsolete ISO3166 codes of countries including previously existing ones

Where can I find old ISO3166 codes for countries including the ones that do not exist anymore, changed their name, etc.? I need this for all years 1961 through 2021. All I could find online was up to ...
28 votes
18 answers
136k 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
1 vote
2 answers
212 views

Just need a lo-res & 8-bit depth elevation map either real or fictional (BMP?)

I am a software developer working on a strategy game in my spare time as a hobby. I still have very little knowledge of and experience with Geographic Information Systems and the different file ...
-1 votes
1 answer
31 views

Canadian Cities as points [closed]

I'm looking for a dataset with Canadian cities as points. I only need this for the Greater Toronto and Hamilton Area (GTHA).
3 votes
2 answers
1k views

Searching Polish districts in JSON

I am looking for a map of polish 'powiaty', eng. 'county' or 'district' (i.e. second-level unit of local government and administration in Poland, equivalent to a county, district or prefecture) in ...
0 votes
2 answers
226 views

Downloading recent GRACE data

I have been doing GRACE data processing in GEE, but from what I can tell - only the first mission's data (dating from 2002/04 to 2017/01) is accessible through the library for import. Can I access ...
16 votes
5 answers
33k views

Finding ways to get free radar (SAR) satellite imagery data sets [closed]

I am looking for finding ways to obtain free (non-commercial use) sources of synthetic aperture radar (SAR) satellite imagery. Does anyone know of sources?
0 votes
1 answer
443 views

Classification with different data dimensions

I am trying to use the continuous change detection classification algorithm (ee.Algorithms.TemporalSegmentation.Ccdc() and it appears to be working for me, however when I get the results the data type ...
2 votes
2 answers
9k 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 ...
1 vote
3 answers
3k views

Downloading 1 arc-second elevation data for Canada other than Geobase?

Can someone suggest a source for Canadian elevation data better or equivalent to 1 arc-second? I have a good data source for Ontario but for other provinces folks often recommend Geobase which claims ...
2 votes
2 answers
345 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 ...
0 votes
1 answer
165 views

Cadastral areas of Ukraine [closed]

I´m looking for cadastral areas of villages of Ukraine. Is there some available that can be used to work with them in Qgis?
3 votes
3 answers
2k views

Where can I get British Agricultural Field Boundaries as Vector Data?

I am looking for vector data outlining the agricultural field boundaries in the UK (Specifically Scotland, England and Wales). I have tried all sources of open source data I can find and looked at ...
0 votes
1 answer
185 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'...
0 votes
2 answers
472 views

Downloading geoid chgeo2004?

Does anyone know where I could download geoids? Specifically I need the Swiss Geoid CHGeo2004. I found this link: https://opendata.swiss/de/dataset/geoidmodell-chgeo2004-in-ch19031 But it only ...
9 votes
7 answers
4k views

Seeking historical shapefiles of Europe in modern era

Is there a source for historical shapefiles of Europe in the modern era, i.e. starting ca. 1400? I know that "where can I find historic border data" questions were asked multiple times but I couldn't ...
1 vote
1 answer
771 views

Export data from image collection Google Earth Engine

I have a function to get an average value per month for a band from an image collection. Full code is here. var dat = ee.ImageCollection('NOAA/CDR/SST_WHOI/V2').select('sea_surface_temperature') ....
2 votes
4 answers
952 views

Is there a sample ArcGIS Server service for US zip codes?

Esri provide a sample ArcGIS Server instance which contains states, block groups, etc. Is there a similar publicly-accessible ArcGIS Server instance anywhere which contains US zip codes?
0 votes
1 answer
368 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 ...
1 vote
1 answer
85 views

Seeking map of communes for Bavaria region before 1930 [closed]

I am looking into data for an article, and I am missing a pretty important map. The map relates to this question. I need a map of Bavaria communes, the so-called Gemeinden divisions, either to buy or ...
5 votes
1 answer
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 ...
10 votes
2 answers
2k views

Where can I find paved/unpaved road surface data for the US?

I'm currently working on a small program that evaluates OpenStreetMap data to calculate how twisty or curved roads are in order to generate maps of roads that may be of interest to motorcycle riders ...
1 vote
2 answers
2k views

Seeking up-to-date shapefile for Pakistan [duplicate]

I'm currently looking for a shapefile for Pakistan with the current district borders. So far I found something on https://gadm.org/. Unfortunately the shapefile there seems not to be up-to-date, as e....
0 votes
2 answers
3k views

Where can I find SRTM DSMs (digital surface model)?

I'm interested in finding a 30 meter DSM (digital surface model that includes canopy) from SRTM with the hope of creating a 30 meter canopy height model. I know that it can be done because the ...
16 votes
4 answers
12k views

Is there a public shapefile with the London Underground stations and lines?

Is there a public shapefile containing the stations and lines of the London Underground? I've been doing some intensive searching but I can only find the coordinates of the stations, or the lines in ...
0 votes
0 answers
27 views

Looking for national landscape character typology - England

Natural England had created a landscape character type dataset which was available on Magic (https://magic.defra.gov.uk/magicmap.aspx), though it has since been removed - or the licence has. Is this ...
3 votes
2 answers
4k views

Shapefiles for US city and Zip level

I already have the information for US states and Counties. I have the information in the JSON files. I want the information for ALL US city and Zip Code information. I can't really navigate the US ...
0 votes
0 answers
59 views

Terra/geodata world map cropping issues, possibly due to truncated extent

Cropping geodata world map across Greenwich (not exactly though) or close to the poles gives a "Topology Exception" error on RStudio (Posit) cloud, although not on RStudio desktop. Also, the ...
0 votes
1 answer
83 views

Overview over current activities and results to represent GeoData semantically to allow formal reasoning

I am currently interested in representing some geo-data in a semantic way via RDF/OWL to allow formal reasoning on a geometry level. However I am lacking a good overview on the current standards to ...
3 votes
2 answers
4k views

Seeking Spain Districts shapefile?

Does anyone know a source of districts in Spain? I can find Madrid and Barcelona each at a different site. If I try to collect the districts for the whole country it would be a massive undertaking. ...
8 votes
4 answers
4k views

Shapefiles for U.S. Area Codes (NANP)

I have a bunch of telephone numbers (just the area codes), and I'd like to geolocate them and make a map, but I haven't had too much luck googling for shapefiles for Area Codes. Surely these are in ...
3 votes
3 answers
3k views

Where can I find the highest resolution shapefiles for counties or states

I am looking for a download source which has the highest resolution (greatest detail/accuracy) for all counties in the US. More specifically I run into this problem mainly when dealing with the ...
3 votes
1 answer
892 views

Seeking national MLS boundary dataset for US

What I am looking for is some type (any type) of national map which outlines the boundaries of each of the 1000+ MLS (Multiple Listing Services). For some reason the National Association of Realtors ...
7 votes
5 answers
32k views

Shapefile for India which is up-to-date to display regional borders

I need a shapefile for India which is up-to-date to display the regional borders. By up-to-date (in 2014), I mean that it includes Telangana as a state. Many shapefiles that I downloaded do not have ...
5 votes
2 answers
1k views

Visualizing and organizing traffic flow data for an intersection [closed]

I'm looking for advice on how to organize data that describes traffic flows through several unconnected intersections over several years. I'd like to learn about the most basic representation of this ...
7 votes
1 answer
69 views

Finding out date format in the list of house numbers in QGIS

In my dataset, the data which contains house numbers are converted to date format in QGIS. Is there any script or tool to identify and convert them to normal format? E.g. Case: Actual Door No format ...
7 votes
4 answers
1k views

Does anyone have data or shapefiles for tidal flats, mangrove distribution, or salt marshes?

I am looking to map out the salt marshes, mangroves, and tidal flats of the world, but I am having difficulty finding data for this. Does anyone have any such data? This is for a research project at ...
2 votes
4 answers
565 views

Where can I get free New Zealand and Melbourne geodata?

I have just installed QGIS. Do any forum users know where I could download or access files and maps for 1) New Zealand, and/or 2) Melbourne/Victoria, Australia. Preferably it would be good to know ...

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