colormap

all colormap output

Usage

let colormap = require('colormap')

let colors = colormap({
    colormap: 'jet',
    nshades: 10,
    format: 'hex',
    alpha: 1
})

API

list = colormap(options?)

Property	Default	Meaning
`colormap`	`'jet'`	Color map name from the image above or a custom color scale — a sequence of `{index, rgb}` objects, where index is `0..1` number and `rgb` is a length 3/4 array with values for the color stop.
`nshades`	`72`	Number of colors in returned array, the minimum number depends on `colormap`.
`format`	`'hex'`	`'hex'` for `#aabbcc`, `'rgbaString'` for `rgba(255, 255, 255, 1)`, `'rba'` for `[255, 255, 255, 1]`, `'float'` for `[1, 1, 1, 1]`.
`alpha`	`1`	Alpha range, can be an array with alpha values or just 2 values for start/end colors.

Credits

Color maps are inspired by matplotlib color scales, cmocean oceanographic colormaps, cosine gradients and others. Thanks to authors of these libs for their invaluable work.

Current Tags

2.3.1 ... latest (6 years ago)

1 Versions

2.3.1 ... 6 years ago