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Lat/long ordering in geojson

See original GitHub issue

Lat/long ordering is inconsistent across various packages and tooling when working with points.

It would be useful if folium.GeoJson() included a flag flip=Boolean that could be set to flip lat and long co-ordinates in a passed geojson file.

Issue Analytics

State:
Created 5 years ago
Reactions:4
Comments:11 (2 by maintainers)

Top GitHub Comments

1reaction

Conengmocommented, Sep 7, 2022

Leaflet, which folium is a wrapper for, uses [lat, lon], wheres the geojson standard uses [lon, lat].

https://leafletjs.com/reference.html#latlng

https://en.wikipedia.org/wiki/GeoJSON#Geometries

0reactions

ocefpafcommented, Nov 24, 2022

It may be beneficial to the documentation if you’d put a big red note in the readme about exactly this:

Do you want to send a PR for it? We could use a note in the docs too. Here is a SO question for inspiration. And the mandatory West Wing episode on maps coordinates and order.

Top Results From Across the Web

Order of coordinates in geojson - Stack Overflow

Coordinates order is longitude and latitude, or easting and northing. Source: 3.1.1. Position. A position is the fundamental geometry construct.

Leaflet+GeoJSON: Why are lat-lng coordinates in the wrong ...

Nothing is in the wrong order. Leaflet uses lat-lng (or northing-easting ) whereas GeoJSON uses lng-lat (or easting-northing ).

More than you ever wanted to know about GeoJSON

GeoJSON describes an order for coordinates: they should go, in order: [longitude, latitude, elevation]. This order can be surprising.

RFC 7946: The GeoJSON Format

1. Points Point coordinates are in x, y order (easting, northing for projected coordinates, longitude, and latitude for geographic coordinates): { "type": " ......

MultiPoint Datatype | Socrata - Data & Insights

Heads up! Contrary to the normal convention of "latitude, longitude" ordering in the coordinates property, the GeoJSON orders the coordinates as "longitude, ...