Part of the Leaflet ecosystem · 14 projects
This module extends the Leaflet library in Drupal to allow for the parsing and display of TopoJSON data, an efficient format for encoding geographic data that shares common line segments. It integrates the d3-topojson library to enable this functionality.
Introduction
TopoJSON is an extension of GeoJSON that encodes topology. Rather than representing geometries discretely, geometries in TopoJSON files are stitched together from shared line segments called arcs. Read more about the TopoJSON format.
The leaflet library and Drupal module are not able to parse TopoJSON files so this helper module extends leaflet to handle TopoJSON.
About this module
This module provides:
- TopoJSON extension to the leaflet Drupal library functions
- Includes the external topojson library from d3 to make leaflet topojson aware
Installation
Installation can be done using any method but the recommended approach is to use composer.
Dependencies
The only dependency is on the leaflet module.
Usage
This module is currently only used by the leaflet countries module. There are no settings to configure.
Ask your assistant about Leaflet TopoJSON
Check compatibility with your Drupal and PHP version, maintenance and security coverage, from current release data. How it works
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Dependencies of the latest stable release
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Release Timeline
Releases
| Version | Type | Core | PHP | Release date | |
|---|---|---|---|---|---|
| 2.0.0-beta1 | Pre-release | 8–11 | Jul 29, 2026 | ||
| 2.0.0-alpha2 | Pre-release | 8–10 | Mar 14, 2024 | ||
| 2.x-dev | Dev | 8–11 | Mar 14, 2024 | ||
| 2.0.0-alpha1 | Pre-release | 8–10 | Mar 14, 2024 |