# pixel-change
###### [![CircleCI](https://circleci.com/gh/kevinGodell/pixel-change.svg?style=shield)](https://circleci.com/gh/kevinGodell/pixel-change) [![Build status](https://ci.appveyor.com/api/projects/status/fp7iei6tfdc9fqqy/branch/master?svg=true)](https://ci.appveyor.com/project/kevinGodell/pixel-change/branch/master) [![GitHub issues](https://img.shields.io/github/issues/kevinGodell/pixel-change.svg)](https://github.com/kevinGodell/pixel-change/issues) [![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/kevinGodell/pixel-change/master/LICENSE)




Measure differences between 2 identically sized buffer arrays of gray, rgb, or rgba pixels.

## installation
```
npm install pixel-change
```
## testing
```
git clone https://github.com/kevinGodell/pixel-change.git
cd pixel-change
npm install
npm test
```
## usage
see [pam-diff](https://github.com/kevinGodell/pam-diff) and [pixel-change-test](https://github.com/kevinGodell/pixel-change-test)