Skip to main content
Version: 6.5.0

angle

Description

Finds the angle formed by two adjacent segments defined by 3 points. The result will be the (positive clockwise) angle with origin on the startPoint-midPoint segment, or its explementary angle if required.

Parameters

NameTypeDescription
startPointCoordStart Point Coordinates
midPointCoordMid Point Coordinates
endPointCoordEnd Point Coordinates
options?ObjectOptional parameters (default {})
options.explementary?booleanReturns the explementary angle instead (360 - angle) (default false)
options.mercator?booleanif calculations should be performed over Mercator or WGS84 projection (default false)

Returns

    number Angle between the provided points, or its explementary.

Examples

turf.angle([5, 5], [5, 6], [3, 4]);
//=45

Installation

$ npm install @turf/angle

import { angle } from "@turf/angle";
const result = angle(...);
$ npm install @turf/turf

import * as turf from "@turf/turf";
const result = turf.angle(...);