contour-2d
Extracts a 2D rectilinear polygon from a binary image encoded as an ndarray. Works in node.js and browserify.
Example
var pack = var contour2D = //Get a contourconsole //Prints out:// // [ [ [ 0, 0 ],// [ 0, 3 ],// [ 5, 3 ],// [ 5, 1 ],// [ 3, 1 ],// [ 3, 0 ] ],// [ [ 2, 1 ],// [ 2, 2 ],// [ 1, 2 ],// [ 1, 1 ] ] ]//
Install
npm install contour-2d
API
require("contour-2d")(image[, flip])
Extracts a contour polygon from the image.
image
is a binary ndarrayflip
is an optional flag, which if set reverse the orientations of the loops
Returns A list of loops representing the oriented boundary of the polygon.
Credits
(c) 2014 Mikola Lysenko. MIT License