Very Accurate Long Term Trend Detector - Amibroker AFL Code

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Very Accurate Long Term Trend Detector

_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
SetBarsRequired(sbrAll,sbrAll);
SetBarFillColor(IIf(C>O,ParamColor("Candle Up Color", colorBrightGreen),IIf(C<=O,ParamColor("Candle Down Color", colorRed),colorLightGrey)));
Plot(C,"Price",IIf(C>O,ParamColor("Shadow Up Color", colorBlack),IIf(C<=O,ParamColor("Shadow Down Color", colorBlack),colorLightGrey)),64,0,0,0,0);
SetChartBkColor(ParamColor("Panel Color ",colorLightGrey));
SetChartBkGradientFill(ParamColor("Upper Chart",colorLightGrey),ParamColor("Lower Chart",colorLightGrey));
GraphXSpace=Param("GraphXSpace",20,-10,25,1);

_SECTION_BEGIN("Raghee Horner's EMA's");
EMA1 = EMA(H,34);
EMA2 = EMA(L,34);
EMA3 = EMA(C,34);

Plot( EMA1, "EMA1" ,ParamColor( "Color1", colorRed ), ParamStyle("Style", styleDashed|styleThick) | styleNoRescale );
Plot( EMA2, "EMA2" ,ParamColor( "Color2", colorGreen ), ParamStyle("Style", styleDashed|styleThick) | styleNoRescale );
Plot( EMA3, "EMACl" ,ParamColor( "Color3", colorBlue ), ParamStyle("Style", styleDashed|styleThick) | styleNoRescale );
_SECTION_END();

_SECTION_BEGIN("Supertrend");
procedure calcTrend_proc(ATR_Period,tr,ATR_Multiplier,TrendMode,CalcPrice)
{
global buffer_line_down;
global buffer_line_up;
buffer_line_down = Null;
buffer_line_up = Null;

PHASE_NONE = 0;
PHASE_BUY = 1;
PHASE_SELL = -1;

phase=PHASE_NONE;
band_upper = 0;band_lower = 0;

for(i = ATR_Period + 1; i < BarCount; i++)
{
band_upper = CalcPrice[i] + ATR_Multiplier * tr[i];
band_lower = CalcPrice[i] - ATR_Multiplier * tr[i];

if(phase==PHASE_NONE)
{
buffer_line_up[i] = CalcPrice[i];
buffer_line_down[i] = CalcPrice[i];
}
if(phase!=PHASE_BUY && Close[i]>buffer_line_down[i-1] && !IsEmpty(buffer_line_down[i-1])) 
{
phase = PHASE_BUY;
buffer_line_up[i] = band_lower;
buffer_line_up[i-1] = buffer_line_down[i-1];
}
if(phase!=PHASE_SELL && Close[i]<buffer_line_up[i-1] && !IsEmpty(buffer_line_up[i-1]))
{
phase = PHASE_SELL;
buffer_line_down[i] = band_upper;
buffer_line_down[i-1] = buffer_line_up[i-1];
} 
if(phase==PHASE_BUY && ((TrendMode==0 && !IsEmpty(buffer_line_up[i-2])) || TrendMode==1) )
{
if(band_lower>buffer_line_up[i-1]) 
{
buffer_line_up[i] = band_lower;
}
else 
{
buffer_line_up[i] = buffer_line_up[i-1];
}
}
if(phase==PHASE_SELL && ((TrendMode==0 && !IsEmpty(buffer_line_down[i-2])) || TrendMode==1) )
{
if(band_upper<buffer_line_down[i-1])
{
buffer_line_down[i] = band_upper;
}
else
{
buffer_line_down[i] = buffer_line_down[i-1];
}
}
}
}

TrendMode = ParamToggle("TrendMode","Off|On",1);
ATR_Multiplier = Param("ATR_Multiplier",2,0.1,10,0.1);
ATR_Period = Param( "ATR_Period",5,1,20,1);
tr = ATR(ATR_Period);

CalcPrice = (H+L)/2;
calcTrend_proc(ATR_Period,tr,ATR_Multiplier,TrendMode,CalcPrice);

Plot(buffer_line_up,"\ntu",ColorRGB(28,134,238),styleThick);
Plot(buffer_line_down,"\ntd",ColorRGB(205,51,51),styleThick);

Plot( 2,"",IIf(buffer_line_up,colorGreen,colorBlack),styleOwnScale|styleArea|styleNoLabel, -0.5, 100 );
Plot( 4,"",IIf(buffer_line_down,colorRed,colorBlack),styleOwnScale|styleArea|styleNoLabel, -0.5, 100 );
_SECTION_END();

TimeFrameSet(inDaily);
DayHigh = LastValue(H);
DayLow = LastValue(L);
TimeFrameRestore();

Title = Date() + ", Op=" + Open + ", Hi=" + High + ", Lo=" + Low + ", LTP=" + Close + ", Change= " + SelectedValue( ROC( C, 1 ) ) + "%" + "\n Today`s High=" + DayHigh + ", Today`s Low=" + DayLow + " " ;


prev=AMA2(C,1,0);
d=IIf(C>Ref(Max(Max(H,Ref(H,-20)),Max(Ref(H,-10),Ref(H,-15))),-1),Min(Min(L,Ref(L,-20)),Min(Ref(L,-10),Ref(L,-15))),
IIf(C<Ref(Min(Min(L,Ref(L,-20)),Min(Ref(L,-10),Ref(L,-15))),-1),Max(Max(H,Ref(H,-20)),Max(Ref(H,-10),Ref(H,-15))),PREV));
a=Cross(Close,d);
b=Cross(d,Close);
state=IIf(BarsSince(a)<BarsSince(b),1,0);
s=state>Ref(state,-1);
ss=state<Ref(state,-1);
sss=state==Ref(state,-1);
col=IIf(state == 1 ,51,IIf(state ==0,4,1));
Plot(C,"",Col,64);
Buy = s;
Sell = ss;
shape = Buy * shapeUpArrow + Sell * shapeDownArrow;
PlotShapes(shape, IIf(Buy,colorGreen,colorRed), 0, IIf(Buy,Low,High));
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-10);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorLime, 0,L, Offset=-20);
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-15);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorRed, 0, H, Offset=20);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorOrange, 0,H, Offset=30);
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-25);
//WriteIf(s,"EXIT all Short positions\nif trading long positions, enter long Now-\nOR at the market price on tomorrow's Open with stop="+EncodeColor(4)+WriteVal(L+.75*ATR(5),1.4)+" ,","");
//WriteIf(ss,"exit all long positions today with a Market On Close (MOC) order\nOR at the market price on tomorrow's Open with stop="+EncodeColor(4)+WriteVal(Ref(H+.75*ATR(5), -1),1.4)+",","");
//WriteIf( sss ,"No trading signals today.","") ;


dist = 2*ATR(10);
dist1 = 5*ATR(10);
for( i = 0; i < BarCount; i++ )
{
if( Buy[i] )
{
PlotText( "\nBuy:" + L[ i ] + "\nT= " + (L[i]*1.005) + "\nSL= " + (L[i]*0.9975), i, L[ i ]-dist[i], colorGreen, colorWhite );
}
if( Sell[i] )
{
PlotText( "Sell:" + H[ i ] + "\nT= " + (H[i]*0.995) + "\nSL= " + (H[i]*1.0025), i, H[ i ]+dist1[i], colorRed, colorWhite );
}
}


Filter = s OR sss OR sss ;
AddColumn(C,"close",1.2);
AddColumn( IIf( s, 66,1 ), "buy", formatChar, 1, bkcolor =IIf (s,colorYellow, colorPink ));
AddColumn( IIf( Ss, 83,1 ), "sell", formatChar, 1, bkcolor =IIf (Ss,colorPink, colorWhite ));
AddColumn( IIf( sss, 87,1 ), "wait", formatChar, 1, bkcolor =IIf (sss,colorYellow, colorRed ));


_SECTION_BEGIN("trend");
uptrend=PDI(20)>MDI(10)AND Signal(29)<MACD(13);
downtrend=MDI(10)>PDI(20)AND Signal(29)>MACD(13);
Plot( 2, /* defines the height of the ribbon in percent of pane width */"ribbon",
IIf( uptrend, colorGreen, IIf( downtrend, colorRed, 0 )), /* choose color */
styleOwnScale|styleArea|styleNoLabel, -0.5, 100 );
_SECTION_END();

Buy = s AND a AND uptrend ;
Short = ss AND b AND downtrend ;
Sell = ss AND b AND downtrend ;
Cover = s AND a AND uptrend ;

Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);
Cover=ExRem(Cover,Short);
Short=ExRem(Short,Cover);

Filter=Buy OR Sell;
Filter= Cover OR Short;

AddColumn( Buy, "Buy", 1);
AddColumn(Sell, "Sell", 1);
AddColumn(Close,"Close",1.2);
AddColumn(Volume,"Volume",1.0);


// Plot the Buy and Sell arrows.
shape = Buy * shapeUpArrow + Sell * shapeDownArrow;
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-10);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorLime, 0,L, Offset=-20);
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-15);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorRed, 0, H, Offset=20);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorOrange, 0,H, Offset=30);
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-25);
//_SECTION_BEGIN("Background text");
C13=Param("fonts",20,10,30,1 );
C14=Param("left-right",2.1,1.0,5.0,0.1 );
C15=Param("up-down",12,1,20,1 );
Miny = Status("axisminy");
Maxy = Status("axismaxy");
lvb = Status("lastvisiblebar");
fvb = Status("firstvisiblebar");
pxwidth = Status("pxwidth");
pxheight = Status("pxheight");
GfxSetBkMode(transparent=1);
GfxSetOverlayMode(1);
GfxSelectFont("Tahoma", Status("pxheight")/C13 );
GfxSetTextAlign( 6 );
GfxSetTextColor( ColorRGB (217,217,213));
GfxTextOut( Name(), Status("pxwidth")/C14, Status("pxheight")/C15 );
GfxSelectFont("Tahoma", Status("pxheight")/C13*0.5 );
GfxSetTextColor( ColorRGB (103,103,103));
GfxTextOut( "Kailash Pareek", Status("pxwidth")/C14, Status("pxheight")/C15*2.5 );
GfxSelectFont("Tahoma", Status("pxheight")/C13*0.5 );
GfxSetTextColor( ColorRGB (103,103,103));
GfxTextOut( "Kailash Pareek", Status("pxwidth")/C14, Status("pxheight")/C15*4 );
GfxSelectFont("MS Sans Serif", 10, 500, False, False, 0); 
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