@turf/angle
angle
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
startPoint
Coord Start Point CoordinatesmidPoint
Coord Mid Point CoordinatesendPoint
Coord End Point Coordinatesoptions
Object Optional parameters (optional, default {}
)
options.explementary
boolean Returns the explementary angle instead (360 - angle) (optional, default false
)options.mercator
boolean if calculations should be performed over Mercator or WGS84 projection (optional, default false
)
Examples
turf.angle([5, 5], [5, 6], [3, 4]);
Returns number Angle between the provided points, or its explementary.
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 module individually:
$ npm install @turf/angle
Or install the Turf module that includes it as a function:
$ npm install @turf/turf
Diagrams