Channel Midpoint Indicator

 
I am new to this trading thing and would like some help I have been using another piece of software but keep having various issues. So here I am. Any way I have been searching for the above indicator but no success is there anyone out there that has coded this. I am looking to use this in the same was as a MA Cross with target profit and ATR trailing stop. I read this in the currency trader 05/06, and have permision to to it from the article's author.