OK, so you're running the line parallel to the front of the gandik, and in the middle of the gandik ? 
 
I have not ever encountered this idea. 
 
I can immediately think of a number of reasons as to why the approach might be illogical, but before I say anything I'll try to do some actual checking and see what sort of results I get. 
 
May I enquire where you got this approach from? 
 
Thanks.
		 
		
		
		
		
		
		
		
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