turf-arc

Calculate great circles routes as lines

turf.arc(from, to, properties, npoints, options.offset)

Calculate great circles routes as lines

Parameters

parameter	type	description
from	Object	source point feature
to	Object	destination point feature
properties	Object	line feature properties
npoints	Number	number of points
options.offset	Number	offset from dateline in degrees

Example

var arc = require('turf-arc');
var from = { type: 'Point', coordinates: [-122, 48] };
var to = { type: 'Point', coordinates: [-77, 39] };
var line = arc(from, to, { 'name': 'Seattle to DC' }, 100, { offset: 10 });
//=line

Returns Object, arc line feature

Installation

Requires nodejs.

$ npm install turf-arc

Tests

$ npm test