/*[[
	Name := t3_ADX_PlusDi_MinusDi_Burst
	Author := Copyright © 2004, David W Honeywell
	Link := DavidHon@msn.com
	Separate Window := Yes
	First Color := LawnGreen
	First Draw Type := Line
	First Symbol := 217
	Use Second Data :=Yes
	Second Color := Red
	Second Draw Type := Line
	Second Symbol := 218
]]*/

Input    : t3_Period(24),b(0.618);

Variable : t3(0),t32(0),ADX_Period(1),plusdi(0),minusdi(0),shift(0);
Variable : b2(0),b3(0);
Variable : c1(0),c2(0),c3(0),c4(0);
Variable : e1(0),e2(0),e3(0),e4(0),e5(0),e6(0);
Variable : M1(0),M2(0),n(0),P1(0),P2(0),w1(0),w2(0);
Variable : ae1(0),ae2(0),ae3(0),ae4(0),ae5(0),ae6(0);

b2=b*b;
b3=b2*b;
c1=-b3;
c2=(3*(b2+b3));
c3=-3*(2*b2+b+b3);
c4=(1+3*b+b3+3*b2);
n=t3_period;

if n<1 then n=1;
n = 1 + 0.5*(n-1);
w1 = 2 / (n + 1);
w2 = 1 - w1;

SetLoopCount(0);
For shift = Bars-1 Downto 0 Begin
//SetIndexValue(shift, 0);
P1=iADXEx(ADX_Period,PRICE_CLOSE,MODE_PLUSDI,shift);
P2=iADXEx(ADX_Period,PRICE_CLOSE,MODE_PLUSDI,shift+1);
plusdi= P1-P2;

e1 = w1*plusdi + w2*e1;
e2 = w1*e1 + w2*e2;
e3 = w1*e2 + w2*e3;
e4 = w1*e3 + w2*e4;
e5 = w1*e4 + w2*e5;
e6 = w1*e5 + w2*e6;

t3 = c1*e6 + c2*e5 + c3*e4 + c4*e3;

SetIndexValue(shift,t3);
M1=iADXEx(ADX_Period,PRICE_CLOSE,MODE_MINUSDI,shift);
M2=iADXEx(ADX_Period,PRICE_CLOSE,MODE_MINUSDI,shift+1);
minusdi= M1-M2;

ae1 = w1*minusdi + w2*ae1;
ae2 = w1*ae1 + w2*ae2;
ae3 = w1*ae2 + w2*ae3;
ae4 = w1*ae3 + w2*ae4;
ae5 = w1*ae4 + w2*ae5;
ae6 = w1*ae5 + w2*ae6;

t32 = c1*ae6 + c2*ae5 + c3*ae4 + c4*ae3;

SetIndexValue2(shift,t32);

End;