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@turf/ellipse
Advanced tools
Takes a Point and calculates the ellipse polygon given two semi-axes expressed in variable units and steps for precision.
center
Coord center point
xSemiAxis
number semi (major) axis of the ellipse along the x-axis
ySemiAxis
number semi (minor) axis of the ellipse along the y-axis
options
Object Optional parameters (optional, default {}
)
options.angle
number angle of rotation in decimal degrees, positive clockwise (optional, default 0
)options.pivot
Coord point around which any rotation will be performed (optional, default center
)options.steps
number number of steps (optional, default 64
)options.units
string unit of measurement for axes (optional, default 'kilometers'
)options.properties
Object properties (optional, default {}
)var center = [-75, 40];
var xSemiAxis = 5;
var ySemiAxis = 2;
var ellipse = turf.ellipse(center, xSemiAxis, ySemiAxis);
//addToMap
var addToMap = [turf.point(center), ellipse]
Returns Feature<Polygon> ellipse polygon
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.
Install this single module individually:
$ npm install @turf/ellipse
Or install the all-encompassing @turf/turf module that includes all modules as functions:
$ npm install @turf/turf
FAQs
turf ellipse module
The npm package @turf/ellipse receives a total of 766,346 weekly downloads. As such, @turf/ellipse popularity was classified as popular.
We found that @turf/ellipse demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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