Impulses-1

Lines "Total Up Impulses" and "Total Down Impulses" are the sum of impulses in the last n periods (Length).

line 1 => "Total Up Impulses": the sum of up impulses.
line 2 => "Total Down Impulses": the sum of down impulses.

When line 1 crosses up line 2, it indicates an uptrend is comming out.
When line 1 crosses down line 2, it indicates a downtrend is comming out.