This little code place the cornerPin nodes 4 pin's automatically based on the bbox. If your image dosen't have bbox add a crop node and crop it as per your need.
autoPinning
First submitted: 31 July 2014
Author: satheesh
Website: https://satheeshnuketutorials.blogspot.in/2013/08/auto-pinning-nuke-cornerpin-little-code.html
Compatible Nuke versions: 6.0 or later
Compatibility:
