`turbo`

Rainbow-style colormap with more even lightness than jet.

Category: Graphics > Formatting and Annotation

Syntax

map = turbo

Returns a turbo colormap with the default number of rows.

map = turbo(m)

Returns m colors.

Description

Turbo goes from dark purple through blue, green, yellow and orange to dark red. It keeps the strong contrast that makes rainbow maps attractive for showing detail, but its lightness changes smoothly, avoiding the bright bands of jet that can look like features in the data.

Input arguments

m: Number of colors, a nonnegative integer.

Output arguments

map: m-by-3 matrix of RGB values between 0 and 1.

Example

Two ends of the map

turbo(2)

Output

ans = 2×3

    0.1900    0.0718    0.2322
    0.4796    0.0158    0.0106

turbo