Displaying supar 1 Pastie For Amibroker (AFL)

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sigwd=ParamToggle("sigchange","weekly|daily",1);
//HBS mean histogram buy sell and LHBS mean low buy high sell
field= ParamToggle("field","fieldd|fieldw",1);
font = ParamToggle("font","Show|Hide",1);
messageboard = ParamToggle("Message Board","Show|Hide",0);
prexplore= ParamToggle("perce/buysell","pers|buysell",1);
// Automatic Linear Trend Channel 
// Trend is defined using an example trend: MA(cp,100)
// Amibroker AFL code by Edward Pottasch, November 2011 
Factor=Param("Factor",4.2,1,10,0.1);
Pd=Param("ATR Periods",4,1,100,1);
Up=(H+L)/2+(Factor*ATR(Pd));
Dn=(H+L)/2-(Factor*ATR(Pd));
iATR=ATR(Pd);
TrendUp=TrendDown=Null;
trend[0]=1;
changeOfTrend=0;
flag=flagh=0;
 
for (i = 1; i <BarCount-1; i++) {
      TrendUp[i] = Null;
      TrendDown[i] = Null;
      
      trend[i]=1;
    
       
      if (Close[i]>Up[i-1]) {
         trend[i]=1;
         if (trend[i-1] == -1) changeOfTrend = 1;
          
      }
      else if (Close[i]<Dn[i-1]) {
         trend[i]=-1;
         if (trend[i-1] == 1) changeOfTrend = 1;
      }
      else if (trend[i-1]==1) {
         trend[i]=1;
         changeOfTrend = 0;       
      }
      else if (trend[i-1]==-1) {
         trend[i]=-1;
         changeOfTrend = 0;
      }
 
      if (trend[i]<0 && trend[i-1]>0) {
         flag=1;
      }
      else {
         flag=0;
      }
       
      if (trend[i]>0 && trend[i-1]<0) {
         flagh=1;
      }
      else {
         flagh=0;
      }
       
      if (trend[i]>0 && Dn[i]<Dn[i-1]){
         Dn[i]=Dn[i-1];
        }
       
      if (trend[i]<0 && Up[i]>Up[i-1])
        { Up[i]=Up[i-1];
        }
       
      if (flag==1)
       {  Up[i]=(H[i]+L[i])/2+(Factor*iATR[i]);;
        } 
      if (flagh==1)
        { Dn[i]=(H[i]+L[i])/2-(Factor*iATR[i]);;
         }
      if (trend[i]==1) {
         TrendUp[i]=Dn[i];
         if (changeOfTrend == 1) {
            TrendUp[i-1] = TrendDown[i-1];
            changeOfTrend = 0;
         }
      }
      else if (trend[i]==-1) {
         TrendDown[i]=Up[i];
         if (changeOfTrend == 1) {
            TrendDown[i-1] = TrendUp[i-1];
            changeOfTrend = 0;
         }
      }
   } 
 
Plot(TrendUp,"Trend",colorGreen);
Plot(TrendDown,"Down",colorRed);
 
Buy = trendup;
Sell=trenddown;
 
Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);
Short=Sell;
Cover=Buy;
 
PlotShapes( Buy * shapeUpArrow + Sell * shapeDownArrow, IIf( Buy, colorWhite, colorYellow ) );
PlotShapes( Buy * shapeUpTriangle + Sell * shapeDownTriangle, IIf( Buy, colorWhite, colorYellow ) );
//PlotShapes( Buy * shapeHollowSmallCircle + Sell * shapeHollowSmallCircle, IIf( Buy, colorWhite, colorYellow ) );
 
PlotShapes(IIf(Buy,shapeUpArrow,shapeNone),colorGreen);
PlotShapes(IIf(Buy,shapeHollowUpArrow,shapeNone),colorWhite);
//PlotShapes(IIf(Buy,shapeHollowSmallCircle,shapeNone),colorWhite);
  
PlotShapes(IIf(Sell,shapeDownArrow,shapeNone),colorRed);
PlotShapes(IIf(Sell,shapeHollowDownArrow,shapeNone),colorWhite);
//PlotShapes(IIf(Sell,shapeHollowSmallCircle,shapeNone),colorWhite);
  
PlotShapes(IIf(Short,shapeDownTriangle,shapeNone),colorYellow);
PlotShapes(IIf(Short,shapeHollowDownTriangle,shapeNone),colorWhite);
//PlotShapes(IIf(Short,shapeHollowCircle,shapeNone),colorWhite);
  
PlotShapes(IIf(Cover,shapeUpTriangle,shapeNone),colorLightBlue);
PlotShapes(IIf(Cover,shapeHollowUpTriangle,shapeNone),colorWhite);
//PlotShapes(IIf(Cover,shapeHollowCircle,shapeNone),colorWhite);
 
_SECTION_BEGIN("parameters");
sdfact=Param("Standard Deviation Factor",2,0.5,5,0.1); 
offset=Param("Offset",2,1,50,1); 
tc=ParamList("Channel Display",List="No Channel|Channel|ChannelRT|Both
Channels",1);
_SECTION_END();
 
function getUptrend(cp)
{
    return IIf(cp>MA(cp,100),1,0);
}
function getDowntrend(cp)
{
    return IIf(cp<=MA(cp,100),-1,0);
}
 
// trend definition
cp=(H+L)/2;
TrendUp=getUptrend(cp);
TrendDown=getDowntrend(cp);
totalTrend=IIf(TrendUp,TrendUp,TrendDown);
dtotalTrend=totalTrend-Ref(totalTrend,-1);
vtotalTrend=ValueWhen(dtotalTrend,dtotalTrend);
 
// definition start points up and down trend
cbull=vtotalTrend>0 AND Ref(vtotalTrend,-1)<0;cbull=Ref(cbull,1);
cbear=vtotalTrend<0 AND Ref(vtotalTrend,-1)>0;cbear=Ref(cbear,1);
cbull=vtotalTrend>0 AND
Ref(vtotalTrend,-1)<0;cbull=Ref(cbull,1);cbull[BarCount-1]=1;
cbear=vtotalTrend<0 AND
Ref(vtotalTrend,-1)>0;cbear=Ref(cbear,1);cbear[BarCount-1]=1;
 
// definition areas up and down trend
nwbull=Ref(Flip(cbull,cbear),-1);nwbear=Ref(Flip(cbear,cbull),-1);
 
xxbull=BarsSince(cbull);xxbull[BarCount-1]=xxbull[BarCount-2]+1;
aaabull=LinRegIntercept(cp,xxbull);bbbbull=LinRegSlope(cp,xxbull);
daabull=Ref(ValueWhen(cbear,aaabull,0),-1);dbbbull=Ref(ValueWhen(cbear,bbbbull,0),-1);
yybull=daabull+dbbbull*(xxbull-1);yybull=IIf(xxbull>Max(offset,1),yybull,Null);
wdbull=sdfact*StdErr(cp,xxbull);wdbull=Ref(ValueWhen(cbear,wdbull,0),-1);
 
xxbear=BarsSince(cbear);xxbear[BarCount-1]=xxbear[BarCount-2]+1;
aaabear=LinRegIntercept(cp,xxbear);bbbbear=LinRegSlope(cp,xxbear);
daabear=Ref(ValueWhen(cbull,aaabear,0),-1);dbbbear=Ref(ValueWhen(cbull,bbbbear,0),-1);
yybear=daabear+dbbbear*(xxbear-1);yybear=IIf(xxbear>Max(offset,1),yybear,Null);
wdbear=sdfact*StdErr(cp,xxbear);wdbear=Ref(ValueWhen(cbull,wdbear,0),-1);
 
llbull=LinearReg(cp,xxbull);llbull=IIf(xxbull>Max(Offset,1),llbull,Null);
llbullp=LinearReg(cp,xxbull)+sdfact*StdErr(cp,xxbull);llbullp=IIf(xxbull>Max(Offset,2),llbullp,Null);
llbullm=LinearReg(cp,xxbull)-sdfact*StdErr(cp,xxbull);llbullm=IIf(xxbull>Max(Offset,2),llbullm,Null);
llbear=LinearReg(cp,xxbear);llbear=IIf(xxbear>Max(Offset,1),llbear,Null);
llbearp=LinearReg(cp,xxbear)+sdfact*StdErr(cp,xxbear);llbearp=IIf(xxbear>Max(Offset,2),llbearp,Null);
llbearm=LinearReg(cp,xxbear)-sdfact*StdErr(cp,xxbear);llbearm=IIf(xxbear>Max(Offset,2),llbearm,Null);
 
 
a=20;
 
_SECTION_BEGIN("HeikenAshiSmoothed");
GraphXSpace=5;
//p=45;
p = Param("p",50,2,100,1);
 
Om=DEMA(O,p);
hm=DEMA(H,p);
lm=DEMA(L,p);
Cm=DEMA(C,p);
HACLOSE=(Om+Hm+Lm+Cm)/4;
HaOpen = AMA( Ref( HaClose, -1), 1);
HaHigh = Max( Hm, Max( HaClose, HaOpen ) );
HaLow = Min( Lm, Min( HaClose, HaOpen ) );
 
slope = Param("slope",26,2,100,1);
Color20= IIf(LinRegSlope(MA(HaClose,a),slope)<0,colorGreen,colorRed);
 
Plot(MA(HaClose,a),"", color20,styleThick);
 
Color=IIf(Haclose>MA(HaClose,a),colorGreen, colorRed);
PlotOHLC( HaOpen, HaOpen, HaClose, HaClose, "" + Name(), Color, styleCandle);
_SECTION_END();

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