Python program takes in two map images and outputs green index of these two images.
REQUIREMENTS: python 2.7 opencv 2.4 installed for python Hadoop.
There are two .py files one mapp.py and the other reduce.py.So when you run this file in hadoop it will give you the green index of the images.
You can run it in the terminal also by using this command ' python mapp.py | python reduce.py '.