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apply-colormap

apply-colormap

Applies a color map to an ndarray.

Example

var imshow = require("ndarray-imshow")
var colorize = require("apply-colormap")
var fill = require("ndarray-fill")
var zeros = require("zeros")
 
var x = zeros([512, 512])
fill(x, function(a,b) {
  return a*+ b*b
})
 
imshow(colorize(x))

Install

npm install apply-colormap

API

require("apply-colormap")(array[, options])

Applies a colormap to an ndarray

  • array is an ndarray

  • options is an object containing a list of properties to apply to the array

    • colormap determines the colormap to use (default "jet"). Names are consistent with the colormap package.
    • min determines the lowest color in the image
    • max determines the highest color in the image
    • outBuffer is an optional buffer into which the output is written

Returns An ndarray representing the colorized image or volume

Credits

(c) 2014 Mikola Lysenko. MIT License