three line break - tlb.afl

一个更精度的平滑涵数, 可用于股票交易系统.用于Amibroker 平台

//------------------------------------------------------------------------------
//
//  Formula Name:    Three Line Break - TLB
//  Author/Uploader: Laurent 
//  E-mail:          
//  Date/Time Added: 2005-08-18 16:18:00
//  Origin:          
//  Keywords:        Three line break TLB 3lb 3-lb
//  Level:           medium
//  Flags:           indicator
//  Formula URL:     http://www.amibroker.com/library/formula.php?id=550
//  Details URL:     http://www.amibroker.com/library/detail.php?id=550
//
//------------------------------------------------------------------------------
//
//  same family as Kagi and Renko.
//
//------------------------------------------------------------------------------

// Three Line Break or TLB
// 3 line Break  Chart
// Laurent 14 Aug 2005 ver 1
// Custom Indicator, date axis does not apply
// i compare my TLB chart with broker and another software
// visual result in almost the same, but the 3 have small difference

 SetBarsRequired(10000,10000);

// initialize first element
NumBar = 0;
LastHigh=Close[1];
LastLow=Close[1];
LastStartHigh=Close[1];
LastStartLow=Close[1];

// Loop to produce the TLB values 

for( i=1; i<BarCount-1; i++ )
{
if (numbar > 3 )
{
	M1=Max(TLBCB[numbar],TLBCE[numbar]);
	M2=Max(TLBCB[numbar-1],TLBCE[numbar-1]);
	M3=Max(TLBCB[numbar-2],TLBCE[numbar-2]);
	m4=Max(m1,m2);
	LastHigh=Max(m4,m3);

	M1=Min(TLBCB[numbar],TLBCE[numbar]);
	M2=Min(TLBCB[numbar-1],TLBCE[numbar-1]);
	M3=Min(TLBCB[numbar-2],TLBCE[numbar-2]);
	m4=Min(m1,m2);
	LastLow=Min(m4,m3);
}

if( Close[i]> Lasthigh)
	{
	numbar++;
	TLBCB[numbar]=LastStartHigh; // TLBCB Three Line Break Chart Begin (of bar)
	TLBCE[numbar]=Close[i]; // TLBCB Three Line Break Chart End (of bar)
	LastStartlow=LastHigh;
	LastHigh=Close[i];
	LastStartHigh=Close[i];
	}

if( Close[i]< LastLow)
	{
	numbar++;
	TLBCB[numbar]=LastStartLow;
	TLBCE[numbar]=Close[i];
	LastStartHigh=LastStartLow;
	Lastlow=Close[i];
	LastStartlow=Close[i];
	}

} // for

// move the chart to right end of chart space, ie last brick on last bar position
delta =  BarCount-1 - numbar;

TLBCB = Ref( TLBCB, -delta );
TLBCE = Ref( TLBCE, -delta );

rO = TLBCB;
rC = TLBCE;
rH = Max(rC,rO);
rL = Min(rC,rO);

// plot chart
PlotOHLC( rO, rH, rL, rC, "TLB" , colorBlack, styleCandle);
GraphXSpace=1;

Title = Name() + " - {{INTERVAL}} {{DATE}} - TLB Chart : ";