heatmap

Documentation

Overview

Package heatmap generates heatmaps for map overlays.

Index

• func Heatmap(size image.Rectangle, points []image.Point, limits image.Rectangle, ...) *image.RGBA

Functions

func Heatmap

func Heatmap(size image.Rectangle, points []image.Point, limits image.Rectangle, dotSize int, opacity uint8,
	scheme []color.Color,
) *image.RGBA

Heatmap draws a heatmap.

size is the size of the image to create dotSize is the impact size of each point on the output opacity is the alpha value (0-255) of the impact of the image overlay scheme is the color palette to choose from the overlay.