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oz setup 2 for Amibroker (AFL)

Indicator
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// AFL code by Edward Pottasch, Jan 2013
procedure alternate1_proc(pk,tr,px0,px1,px2,ph0,ph1,ph2,tx0,tx1,tx2,tl0,tl1,tl2)
{
	global pkh;
	global trh;
	
	pk=IIf((px0==px1 AND px2>tx1 AND ph1<ph2) 
	OR (tx0==tx1 AND px1<px0 AND px1>tx0 AND ph1<=ph0)
	OR (px0>px1 AND px1<tx0 AND px2>tx1 AND ph1<ph2)
	OR (px0>px1 AND px0<tx0 AND px1>tx1 AND ph1<ph0)
	OR (ph1==ph2 AND px2>tx1)
	OR (px1==tx1 AND px2>tx2),False,pk);

	tr=IIf((tx0==tx1 AND tx2>px1 AND tl1>tl2) 
	OR (px0==px1 AND tx1<tx0 AND tx1>px0 AND tl1>=tl0)
	OR (tx0>tx1 AND tx1<px0 AND tx2>px1 AND tl1>tl2)
	OR (tx0>tx1 AND tx0<px0 AND tx1>px1 AND tl1>tl0)
	OR (tl1==tl2 AND tx2>px1)
	OR (px1==tx1 AND tx2>px2),False,tr);
	
	pkh=pk;trh=tr;
}
procedure calculatePivots(tfrm,PivotSymmetry,nbar,CleanPivots,x)
{
TimeFrameSet(tfrm);

global tr;global pk;global px0;global px1;global px2;global ph0;global ph1;global ph2;
global trl;global pkh;global tx0;global tx1;global tx2;global tl0;global tl1;global tl2;
global fact;
if(PivotSymmetry)
{
	fc=1;
	pk=H>Ref(HHV(H,nbar*fc),-1) AND Ref(HHV(H,nbar),nbar)<=H;
	tr=L<Ref(LLV(L,nbar*fc),-1) AND Ref(LLV(L,nbar),nbar)>=L;
}
else
{
	fc=2;
	pk=H>Ref(HHV(H,nbar*fc),-1) AND Ref(HHV(H,nbar),nbar)<=H;
	tr=L<Ref(LLV(L,nbar*fc),-1) AND Ref(LLV(L,nbar),nbar)>=L;
}

px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);

if(CleanPivots)
{
	alternate1_proc(pk,tr,px0,px1,px2,ph0,ph1,ph2,tx0,tx1,tx2,tl0,tl1,tl2);
	pk=pkh;tr=trh;
	
	px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
	px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
	px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
	ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
	ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
	ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);
	
	alternate1_proc(pk,tr,px0,px1,px2,ph0,ph1,ph2,tx0,tx1,tx2,tl0,tl1,tl2);
	pk=pkh;tr=trh;
	
	px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
	px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
	px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
	ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
	ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
	ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);
}
pkh=IIf(pk,H,Null);
trl=IIf(tr,L,Null);
TimeFrameRestore();
fact=Nz(Max(tfrm/60,Interval()/60)/(Interval()/60));
if(fact==0)fact=1;
Lkbk=Nz(tfrm/Interval());
if(Lkbk>1)
{
	pk=TimeFrameExpand(pk,tfrm,expandFirst);
	pkh=TimeFrameExpand(pkh,tfrm,expandFirst);
	pkhs=IIf(!IsEmpty(pkh),1,0);pkhs=pkhs-Ref(pkhs,-1);
	pk=pk AND H==pkh;
	cond1=Sum(pk,BarsSince(pkhs==1)+1)==1 AND pk;
	pk=pk AND cond1;
	
	tr=TimeFrameExpand(tr,tfrm,expandFirst);	
	trl=TimeFrameExpand(trl,tfrm,expandFirst);
	trls=IIf(!IsEmpty(trl),1,0);trls=trls-Ref(trls,-1);
	tr=tr AND L==trl;
	cond1=Sum(tr,BarsSince(trls==1)+1)==1 AND tr;
	tr=tr AND cond1;
	
	px0=ValueWhen(pk,x,0); tx0=ValueWhen(tr,x,0);
	px1=ValueWhen(pk,x,1); tx1=ValueWhen(tr,x,1);
	px2=ValueWhen(pk,x,2); tx2=ValueWhen(tr,x,2);
	px3=ValueWhen(pk,x,3); tx3=ValueWhen(tr,x,3);
	ph0=ValueWhen(pk,H,0); tl0=ValueWhen(tr,L,0);
	ph1=ValueWhen(pk,H,1); tl1=ValueWhen(tr,L,1);
	ph2=ValueWhen(pk,H,2); tl2=ValueWhen(tr,L,2);
	ph3=ValueWhen(pk,H,3); tl3=ValueWhen(tr,L,3);
}
}
function GetVisibleBarCount() 
{
	lvb=Status("lastvisiblebar");
	fvb=Status("firstvisiblebar");
	return Min(lvb-fvb,BarCount-fvb);
} 
function GfxConvertBarToPixelX(bar) 
{ 
	lvb=Status("lastvisiblebar"); 
	fvb=Status("firstvisiblebar"); 
	pxchartleft=Status("pxchartleft"); 
	pxchartwidth=Status("pxchartwidth"); 
	return Nz(pxchartleft+bar*pxchartwidth/(lvb-fvb+1)); 
} 
function GfxConvertValueToPixelY(value) 
{
	local Miny,Maxy,pxchartbottom,pxchartheight; 
	Miny=Status("axisminy");
	Maxy=Status("axismaxy");
	pxchartbottom=Status("pxchartbottom");
	pxchartheight=Status("pxchartheight");
	return Nz(pxchartbottom-floor(0.5+(Value-Miny)*pxchartheight/(Maxy-Miny)));
} 
function GfxConvertValueToPixelYlog(Value)
{
	local Miny,Maxy,pxchartbottom,pxchartheight;
	pxchartheight=Status("pxchartheight");
	pxchartbottom=Status("pxchartbottom");
	Miny=Status("axisminy");
	Maxy=Status("axismaxy");
	x=log(Value/Miny)/log(Maxy/Miny);
	return Nz(pxchartbottom-round(pxchartheight*x));
}
function displayLines(pk,tr,bkColorRes,bkColorSup,lnColorRes,lnColorSup,lnWidthRes,lnWidthSup,displayMode,logscale)
{
AllVisibleBars=GetVisibleBarCount();
fvb=Status("firstvisiblebar");
for(i=0;i<AllVisibleBars;i++) 
{
	DisplayRes=1;
	DisplaySup=1;
	lvix=i+fvb;
	if(pk[lvix])
	{
		if(displayMode)
		{
			hval=H[lvix];
			for(j=i;j<AllVisibleBars;j++)
			{
				lvjx=j+fvb;
				if(H[lvjx]>hval)
				{
					DisplayRes=0;
					break;
				}
			}
		}
		if(DisplayRes)
		{
			if(logscale) vh=GfxConvertValueToPixelYLog(H[lvix]); 
			else vh=GfxConvertValueToPixelY(H[lvix]);
			GfxSelectPen(lnColorRes,lnWidthRes,0);
			GfxMoveTo(GfxConvertBarToPixelX(i),vh);
			GfxLineTo(GfxConvertBarToPixelX(AllVisibleBars-1),vh);
			GfxSelectFont("Tahoma",8,650);GfxSetBkColor(bkColorRes);GfxSetTextColor(colorWhite);
			GfxTextOut(""+H[lvix],GfxConvertBarToPixelX(AllVisibleBars+1),vh);			
		}
	}
	if(tr[lvix])
	{
		if(displayMode)
		{
			lval=L[lvix];
			for(j=i;j<AllVisibleBars;j++)
			{
				lvjx=j+fvb;
				if(L[lvjx]<lval)
				{
					DisplaySup=0;
					break;
				}
			}
		}	
		if(DisplaySup)
		{	
			if(logscale) vl=GfxConvertValueToPixelYLog(L[lvix]); 
			else vl=GfxConvertValueToPixelY(L[lvix]);		
			GfxSelectPen(lnColorSup,lnWidthSup,0);
			GfxMoveTo(GfxConvertBarToPixelX(i),vl);
			GfxLineTo(GfxConvertBarToPixelX(AllVisibleBars-1),vl);
			GfxSelectFont("Tahoma",8,650);GfxSetBkColor(bkColorSup);GfxSetTextColor(colorWhite);
			GfxTextOut(""+L[lvix],GfxConvertBarToPixelX(AllVisibleBars+1),vl);
		}
	}	
}
}
function plotPivots(pkh,trl,pk,tr,Lx,nbar,fact,x)
{
	Plot(pkh,"",colorRed,styleThick,0,0,0,-1);
	Plot(trl,"",colorBrightGreen,styleThick,0,0,0,-1);
	PlotShapes(shapeSmallCircle*tr,IIf(Lx-ValueWhen(tr,x)>nbar*fact,ColorRGB(0,100,0),colorWhite),0,L,-10);
	PlotShapes(shapeSmallCircle*pk,IIf(Lx-ValueWhen(pk,x)>nbar*fact,ColorRGB(255,0,0),colorWhite),0,H,10);
}

// MAIN code
RequestTimedRefresh(0.1,True); 
xx=BarIndex();x=xx;Lx=LastValue(x);
nbar=Param("N Pivot Bars",5,2,50,1); 
CleanPivots=ParamToggle("Use Clean Pivots","Off|On",1);
PivotSymmetry=ParamToggle("Use Symmetric Pivots","Off|On",0);
displayMode=ParamToggle("Display Mode","Classic|Alternative",1);
logscale=ParamToggle("Axis type","Linear|Logarithmic",0);
weeklyTF=ParamToggle("WEEKLY timeframe","Off|On",1);
weeklyLineColorRes=ParamColor("WEEKLY Line Color (resistance)",ColorRGB(150,0,0)); 
weeklyLineColorSup=ParamColor("WEEKLY Line Color (support)",ColorRGB(0,0,150));
weeklyBackColorRes=ParamColor("WEEKLY Back Color (resistance)",ColorRGB(250,0,0)); 
weeklyBackColorSup=ParamColor("WEEKLY Back Color (support)",ColorRGB(0,0,250));
weeklyLineWidth=Param("WEEKLY Line Width",6,1,10,1); 
dailyTF=ParamToggle("DAILY timeframe","Off|On",1);
dailyLineColorRes=ParamColor("DAILY Line Color (resistance)",ColorRGB(50,0,0)); 
dailyLineColorSup=ParamColor("DAILY Line Color (support)",ColorRGB(0,0,50));
dailyBackColorRes=ParamColor("DAILY Back Color (resistance)",ColorRGB(250,0,0)); 
dailyBackColorSup=ParamColor("DAILY Back Color (support)",ColorRGB(0,0,250));
dailyLineWidth=Param("DAILY Line Width",2,1,10,1); 

SetChartOptions(0,chartShowDates);
if(logscale) SetChartOptions(2,chartLogarithmic,chartGridMiddle|chartGridMargins); 
else SetChartOptions(3,chartLogarithmic,!(chartGridMiddle|chartGridMargins));  

GraphXSpace=5;SetChartBkColor(ColorRGB(0,0,0));
SetBarFillColor(IIf(C>O,colorGreen,IIf(C<=O,colorRed,colorLightGrey)));
Plot(C,"Price",IIf(C>O,colorDarkGreen,IIf(C<=O,colorDarkRed,colorLightGrey)),64,0,0,0,0);

// setup for weekly
if(weeklyTF)
{
calculatePivots(inWeekly,PivotSymmetry,nbar,CleanPivots,x);
displayLines(pk,tr,weeklyBackColorRes,weeklyBackColorSup,weeklyLineColorRes,weeklyLineColorSup,weeklyLineWidth,weeklyLineWidth,displayMode,logscale);
plotPivots(pkh,trl,pk,tr,Lx,nbar,fact,x);
}
// setup for daily
if(dailyTF)
{
calculatePivots(inDaily,PivotSymmetry,nbar,CleanPivots,x);
displayLines(pk,tr,dailyBackColorRes,dailyBackColorSup,dailyLineColorRes,dailyLineColorSup,dailyLineWidth,dailyLineWidth,displayMode,logscale);
plotPivots(pkh,trl,pk,tr,Lx,nbar,fact,x);
}
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