Questions tagged [h3]

The H3 geospatial indexing system is a multi-precision hexagonal tiling of the sphere indexed with hierarchical linear indexes.

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2
votes
1answer
55 views

h3 grids wrapping around projected map

I am trying to create a map out of a file with millions of points. To make this tractable, I am using h3 to aggregate the points. After doing the aggregation using a combination of h3 and pandas in ...
2
votes
3answers
407 views

Distorted h3 hexagons using h3js with Mapbox

When a user clicks on a Mapbox streets-v11 map, I'm attempting to: Take the clicked point, and identify the h3 hexagon (at resolution 10) around the point Convert the hexagon coordinates into the ...
1
vote
2answers
136 views

h3_to_polygon (R) to Python?

I am looking for a way to convert H3 hex-ids (e.g., '87422c2a9ffffff') to Polygon geometry. In R, we would use: h3_to_polygon() But I am having a hard time finding the equivalent in Python.
3
votes
0answers
761 views

H3-Python: How to generate hex bins over shapefile?

I am trying to generate hexbins over my shapefile to eventually cluster other geospatial events to them using H3. Here is my process, but I am wondering if there is a better way. # packages from h3 ...
2
votes
0answers
702 views

How to convert GeoJSON points to H3 hexagons in Python

I am trying to take a geojson file of points and convert it to H3 hexagons in my Python script. In JavaScript, there is a separate package called geojson2h3, but the Python h3 module has a method ...
4
votes
1answer
938 views

Uber H3 DGGS: Table of largest hexagons per resolution?

I'm evaluating the use of H3 as a DGGS for a project, and so far I've been unable to find any reference of the area of the largest and smallest hexagons in the grid at each resolution. The "official" ...
3
votes
1answer
290 views

Distorted H3 hexagons - even though projection is matching

Using H3-py's h3_to_geo_boundary a WKT linestring (via shapley polygons) can be generated. When later visualizing the hexagons, why are they distorted? How can this be fixed? To my best knowledge, ...
5
votes
4answers
2k views

Using Uber H3 hexagon grids in QGIS

How can I create a spatial binning similar to or directly using Uber h3 from QGIS UI? Are there plugins available to achieve the desired task?
4
votes
4answers
4k views

Seeking shapefile of hexagons that covers world?

I'd like a persistent .shp that covers the world in hexagons (preferably of a decently small area)–does anybody know where I could find something like this, or perhaps what software I could use to ...