lttb

package module

v0.0.0-...-2585f63 Latest Latest Go to latest Published: Sep 28, 2022 License: MIT Imports: 2 Imported by: 2

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godoc: https://godoc.org/github.com/dgryski/go-lttb

Package lttb implements the Largest-Triangle-Three-Buckets algorithm for downsampling points

The downsampled data maintains the visual characteristics of the original line using considerably fewer data points.

This is a translation of the javascript code at

https://github.com/sveinn-steinarsson/flot-downsample/

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type Point[T constraints.Float] struct {
	X T
	Y T
}

Point is a point on a line

func LTTB[T constraints.Float](data []Point[T], threshold int) []Point[T]

LTTB down-samples the data to contain only threshold number of points that have the same visual shape as the original data