bbox-dateline

BBox Date Line

Modifies a BBox to fit within the bounds of the International Date Line.

Install

npm

$ npm install --save slippy-grid

web browser ES5

<script src="https://unpkg.com/bbox-dateline/docs/bbox-dateline.min.js"></script>

Usage

var dateline = require('bbox-dateline')
dateline.bbox([190, 100, -200, -120])
//= [-170, -80, 160, 60]

API

Table of Contents

• bbox
• center
• latitude
• longitude

bbox

Modifies a BBox to fit within the bounds of the International Date Line.

Parameters

• bbox (BBox | FeatureCollection | Feature<any>) BBox [west, south, east, north] or GeoJSON Feature

Examples

dateline.bbox([190, 100, -200, -120])
//= [-170, -80, 160, 60]

Returns BBox valid BBox extent

center

Modifies a Center to fit within the bounds of the International Date Line.

Parameters

• center ([number, number] | BBox | FeatureCollection | Feature<any>) Center [lng, lat], BBox [west, south, east, south] or GeoJSON Feature

Examples

dateline.center([190, 100])
//= [-170, -80]

Returns [number, number] valid center coordinate

latitude

Modifies a Latitude to fit within +/-90 degrees.

Parameters

• lat number latitude to modify

Examples

dateline.latitude(100)
//= -80

Returns number modified latitude

longitude

Modifies a Longitude to fit within +/-180 degrees.

Parameters

• lng number longitude to modify

Examples

dateline.longitude(190)
//= -170

Returns number modified longitude