Function maxDensity

labelling.go:252–257

maxDensity returns the maximum density score achievable for have and want.

(have, want int)

// maxDensity returns the maximum density score achievable for have and want.
func maxDensity(have, want int) float64 {
	if have < want {
		return 1
	}
	return 2 - float64(have-1)/float64(want-1)
}

// unitLegibility returns a default legibility score ignoring label
// spacing.