@spatial/projection

turf projection module

Usage no npm install needed!

<script type="module">
  import spatialProjection from 'https://cdn.skypack.dev/@spatial/projection';
</script>

README

@spatial/projection

toMercator

Converts a WGS84 GeoJSON object into Mercator (EPSG:900913) projection

Parameters

  • geojson (GeoJSON | Position) WGS84 GeoJSON object
  • options Object? Optional parameters
    • options.mutate boolean allows GeoJSON input to be mutated (significant performance increase if true) (optional, default false)

Examples

var pt = turf.point([-71,41]);
var converted = turf.toMercator(pt);

//addToMap
var addToMap = [pt, converted];

Returns GeoJSON true/false

toWgs84

Converts a Mercator (EPSG:900913) GeoJSON object into WGS84 projection

Parameters

  • geojson (GeoJSON | Position) Mercator GeoJSON object
  • options Object? Optional parameters
    • options.mutate boolean allows GeoJSON input to be mutated (significant performance increase if true) (optional, default false)

Examples

var pt = turf.point([-7903683.846322424, 5012341.663847514]);
var converted = turf.toWgs84(pt);

//addToMap
var addToMap = [pt, converted];

Returns GeoJSON true/false

This module is part of the Turfjs project, an open source module collection dedicated to geographic algorithms. It is maintained in the Turfjs/turf repository, where you can create PRs and issues.

Installation

Install this module individually:

$ npm install @spatial/projection

Or install the Turf module that includes it as a function:

$ npm install @turf/turf