geo_triangle_grid

Description:

geo triangle grid

A package for creating a triangle grid on a map. The grid is created by dividing the map into icosphere with 20 triangles and each triangle is divided into 4 smaller triangles and so on.
Features #

Create triangle from location (latitude, longitude)
Create location from triangle
Get center of triangle
Get triangles of specified depth in bounds

Getting started #
Install the package by adding the following to your pubspec.yaml:
geo_triangle_grid: ^1.1.1
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Import the package in your code:
import 'package:geo_triangle_grid/geo_triangle_grid.dart';
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Usage #
Here is a simple example of usage:
final location = LatLng(51.507351, -0.127758);
final triangleHash = TriangleGrid.latLngToHash(location);
print(triangleHash);
// prints: F203320022
final triangle = TriangleGrid.hashToLatLngTriangle(triangleHash);
print(triangle);
// prints: LatLng(latitude: 51.507351, longitude: -0.127758)
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TriangleGrid.latLngToHash #
Converts a location to a triangle hash. The second parameter is optional and it is the length of the triangle grid.
If not provided, the default value is 20.
String TriangleGrid.latLngToHash(LatLng location, [ int depth = 20 ]);
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TriangleGrid.hashToLatLngTriangle #
Converts a triangle hash to a triangle with points.
LatLngTriangle TriangleGrid.latLngToHash(String hash);
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TriangleGrid.hashToLatLng #
Converts a triangle hash to a location.
LatLng TriangleGrid.hashToLatLng(String hash);
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LatLngTriangle.center #
Gets the center of the triangle.
LatLng get LatLngTriangle.center;
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Aditional methods #
Package also provides some additional methods to work with vectors and triangles. All of them have documentation, you can find them in the API Reference.