ref: 77fb24d09536c95cafad47cd62e10054e1970d22
parent: 08ff1d310799a9725ce709a8227ba5f6ff7045c0
author: knik <knik@users.sourceforge.net>
date: Fri Jul 28 08:37:37 EDT 2017
use +60 value for scalefactor and use clipped diff instead of original value (Arcen@github)