RayGT

JavaScript implementation of Ray Geometry Topology (RayGT).

This package provides utilities to convert between GeoJSON geometries and RayGT flat numeric topology format.

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Installation

npm install raygt

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Basic Example

import { fromGeoJSONGeometry, toGeoJSONGeometry } from "raygt"

const point = fromGeoJSONGeometry( {
    type: "Point",
    coordinates: [ 69.24, 41.31 ],
} )

console.log( point ) // [ 0, 2, 1, 1, 0, 1, 0, 1, 69.24, 41.31 ]
console.log( toGeoJSONGeometry( point ) )

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API

From GeoJSON

• fromGeoJSONPoint
• fromGeoJSONMultiPoint
• fromGeoJSONLineString
• fromGeoJSONMultiLineString
• fromGeoJSONPolygon
• fromGeoJSONMultiPolygon
• fromGeoJSONGeometry

To GeoJSON

• toGeoJSONPoint
• toGeoJSONMultiPoint
• toGeoJSONLineString
• toGeoJSONMultiLineString
• toGeoJSONPolygon
• toGeoJSONMultiPolygon
• toGeoJSONGeometry

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Specification

Full format definition:

RayGT Specification v1.0.0