https://github.com/stepankuzmin/turf-arc

Calculate great circles routes as lines
https://github.com/stepankuzmin/turf-arc

arc great-circle javascript turfjs

Last synced: 18 days ago
JSON representation

Calculate great circles routes as lines

• Host: GitHub
• URL: https://github.com/stepankuzmin/turf-arc
• Owner: stepankuzmin
• Created: 2016-06-21T10:30:27.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2019-05-26T11:28:47.000Z (over 5 years ago)
• Last Synced: 2024-11-22T02:09:25.207Z (about 1 month ago)
• Topics: arc, great-circle, javascript, turfjs
• Language: JavaScript
• Size: 11.7 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
# turf-arc

[![build status](https://secure.travis-ci.org/stepankuzmin/turf-arc.png)](http://travis-ci.org/stepankuzmin/turf-arc)

[![Greenkeeper badge](https://badges.greenkeeper.io/stepankuzmin/turf-arc.svg)](https://greenkeeper.io/)

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` | Object | offset from dateline in degrees |

### Example

```js

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](http://nodejs.org/).

```sh

$ npm install turf-arc

```

## Tests

```sh

$ npm test

```