h3_flutter 0.6.3 h3_flutter: ^0.6.3 copied to clipboard
The package provides Flutter version of the H3 Core library, a hexagon-based geographic grid system
H3 Flutter #
The package allows to use Uber's H3 library directly in your Dart application
The package uses h3_ffi and h3_web under the hood.
final h3Factory = const H3Factory(); final h3 = h3Factory.load(); // Get hexagons in specified triangle. final hexagons = h3.polyfill( resolution: 5, coordinates: [ GeoCoord(20.4522, 54.7104), GeoCoord(37.6173, 55.7558), GeoCoord(39.7015, 47.2357), ], );
There are also few methods ported from JS library Geojson2H3, to access them you should instantiate Geojson2H3 class using
const Geojson2H3(h3). It uses package:geojson2h3 internally.
Mobile, Desktop #
h3_flutter package to
pubspec.yaml, import it and load, no further actions required.
import 'package:h3_flutter/h3_flutter.dart'; final h3 = const H3Factory().load(); final geojson2h3 = Geojson2H3(h3);
Web version is built on top of
h3-js v3.7.2, you have to import it.
Add next line to your
<script defer src="https://email@example.com"></script>
main.dart.js import should go after this line