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v0.0.0-...-9c88ebf Latest Latest Go to latest Published: Aug 31, 2022 License: BSD-3-Clause Imports: 1 Imported by: 1

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type Center []d2.Pt

Center of a set of points.

func (c Center) Centroid() d2.Pt

Centroid of the point set.

type Weighted struct {
	Pts     []d2.Pt
	Weights []float64
	Sum     float64
}

Weighted finds the center of a set of weighted points.

func NewWeighted(capacity int) *Weighted

NewWeighted pre-allocates the capacity for the calculation.

func (w *Weighted) Add(pts ...d2.Pt)

Add points to the weighted set, each with a weight of 1.

func (w *Weighted) Centroid() d2.Pt

Centroid finds the center of the weighted points.

func (w *Weighted) Weight(pt d2.Pt, weight float64)

Weight adds a point with a weight