colormap
Great looking color maps
Last updated 2 years ago by archmoj .
MIT · Repository · Bugs · Original npm · Tarball · package.json
$ cnpm install colormap 
SYNC missed versions from official npm registry.

colormap Build Status

all colormap output

Usage

npm install colormap

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 (2 years ago)

24 Versions

  • 2.3.1                                ...           2 years ago
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  • 0.3.7                                ...           8 years ago
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  • 0.0.0                                ...           8 years ago

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