Hot answers tagged

7 votes
Accepted

Higher resolution of country borders

Short answer I think you should reevaluate your very concept of "official", high detailed source for all country borders worldwide. OpenStreetMap data comes close to a worldwide dataset with ...
user avatar
  • 41k
3 votes
Accepted

World hexmap based on IPCC AR6: matching country codes with WGI reference regions

I've now created a simple hex map of the zones with the zone label as attributes. You'll find the geopackage here: https://gitlab.com/b-rowlingson/ipcc Geographically its in a nonsense location in ...
user avatar
  • 52k
2 votes

Where to find building heights/levels for North America

For Niagara Falls (Ontario) You can get the Buildings Footprints with Elevation from https://niagaraopendata.ca/dataset/building-footprints/resource/d3d2f8d4-c23c-4c41-891b-b3f7394270a3 The US Side (...
user avatar
  • 48.6k
2 votes
Accepted

List of commonly used categories in POIs

I don't know if there are any off-the-shelf solutions to do what you want (perhaps by interogating the taginfo api), but it is an active research topic. Several researchers have proposed ontologies (...
user avatar
  • 1,249
2 votes

What are the existing datasets of world maritime routes?

This repository has shipping route network data available as geopackage files at various resolutions from 5km to 100km https://github.com/eurostat/searoute It's an extension of this dataset: http://...
user avatar
  • 21
2 votes

Seeking SRTM 90m data

SRTM 90m (plus the 30m dataset and some others) are still hosted on the MEASURES server: https://e4ftl01.cr.usgs.gov/MEASURES/ The folder SRTMGL3.003 is 90m SRTM. To make it easier to download the ...
user avatar
2 votes

Seeking Europe shapefile with boundaries

Here you will find data in SHP, GEOJSON, GDB, TOPOJSON and SVG https://ec.europa.eu/eurostat/web/gisco/geodata/reference-data/administrative-units-statistical-units/countries
user avatar
  • 900
2 votes

Seeking Italy building shapefile

You can download it from OpenStreetMap. Go to https://OpenStreetMap.org zoom to area where you want to download the openstreetmap data. This data includes all data including roads, buildings etc. You ...
user avatar
  • 581
2 votes

Finding intervals of latitude/longitude of cities throughout the world at 0.01° precision

The answer to my question can be found in this post and the following website can be used to find a bounding box of any city in the world : https://www.mapdevelopers.com/geocode_bounding_box.php
user avatar
1 vote
Accepted

ReduceRegions "Image.reduceRegions: Computed value is too large. (Error code: 3)" in Google Earth Engine

When having a lot of regions, instead of using reduceRegions(), it's often better to map over them and do reduceRegion() for each of them. That way, EE can split up the work better. I still doubt you'...
user avatar
  • 9,645
1 vote
Accepted

Data extraction from imagery in Google Earth Engine using neighborhoodToArray

These 3×3 group of values are ee.Array objects and they need to be converted in lists with 'toList' array method. Afterward, these nine elements lists can be flattened for extracting median/mean with ...
user avatar
  • 26.2k
1 vote

Seeking Italy building shapefile

The GlobalMLBuildingFootprints dataset by Microsoft https://github.com/microsoft/GlobalMLBuildingFootprints covers also Italy as can be seen from the index map https://github.com/microsoft/...
user avatar
  • 52.5k
1 vote

Downloading recent GRACE data

It looks like GRACE-FO has already been requested. I found that by searching for "GRACE" in the issue tracker that is linked from the Code Editor's Feedback menu in the top right. (These ...
user avatar
  • 8,781
1 vote

Seeking FREE satellite images than ones provided by MapBox

Satellite imagery as of Jan'22 has limitations in terms of Ground Sample Distance and spatial resolution. Most of the satellite imagery you see for prominent satellite imagery providers will be either ...
user avatar
  • 581
1 vote
Accepted

Seeking above ground biomass global map/dataset?

This dataset could work for you -> https://developers.google.com/earth-engine/datasets/catalog/NASA_ORNL_biomass_carbon_density_v1
user avatar
  • 2,421
1 vote

Seeking historical shapefiles of Europe in modern era

I recently found this website, though unfortunately the data is not free. It is also available from Stanford University, on the off-chance you're in some way affiliated with them or know someone who ...
user avatar
  • 333
1 vote

Does a national(USA) interstate rest stop/rest area dataset exist?

I created this data set in 2017, but I'm not sure of the exact source. Here is a shared folder with the raw KML data, a python conversion script to put it into CSV for use in Google "My Maps"...
user avatar
1 vote
Accepted

Seeking cities boundaries of Canada

For City Boundaries Limits you need the Census Subdivisions dataset in ArcGIS Shapefile format. Use the Cartographic Boundary File. https://www12.statcan.gc.ca/census-recensement/2011/geo/bound-limit/...
user avatar
  • 48.6k
1 vote

Seeking up-to-date shapefile for Pakistan

For official boundaries you should go to the Humanitarian Data Exchange (data.humdata.org). There you will find the shapefiles that the governments themselves submit to UN OCHA for humanitarian ...
user avatar

Only top scored, non community-wiki answers of a minimum length are eligible