@turf/boolean-concave

booleanConcave

Takes a polygon and return true or false as to whether it is concave or not.

Parameters

• polygon Feature<Polygon> to be evaluated

Examples

var convexPolygon = turf.polygon([[[0,0],[0,1],[1,1],[1,0],[0,0]]]);

turf.booleanConcave(convexPolygon)
//=false

Returns boolean true/false

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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 single module individually:

$ npm install @turf/boolean-concave

Or install the all-encompassing @turf/turf module that includes all modules as functions:

$ npm install @turf/turf