Histogram With Green Red Lines - Amibroker AFL Code

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SetChartOptions( 0, chartShowArrows|chartShowDates );


_SECTION_BEGIN("BW Alligator");
/*** The trend indicators ***/

P= ParamList("Price", "Close|(H+L)/2|(H+C+L)/3",1);

if (P=="Close")
   A = C;
   
else
if (P=="(H+C+L)/3")
   A = (H+C+L)/3;
else
  A = (H+L)/2;

AlligatorJaw   = Ref(Wilders(A,13),-8);
AlligatorTeeth = Ref(Wilders(A,8), -5);
AlligatorLips  = Ref(Wilders(A,5), -3);

Gatorabove=AlligatorLips-AlligatorTeeth;
Gatorbelow=AlligatorJaw-AlligatorTeeth;
Gatorabovecolor=IIf(Gatorabove>Ref(Gatorabove,-1),colorGreen,colorRed);
Gatorbelowcolor=IIf(Gatorbelow>Ref(Gatorbelow,-1),colorGreen,colorRed);


Plot(Gatorabove,"GatorLT",Gatorabovecolor,styleHistogram|styleThick, maskHistogram);
Plot(Gatorbelow,"GatorJT",Gatorbelowcolor,styleHistogram|styleThick, maskHistogram);


_SECTION_END();


_SECTION_BEGIN("BW Fractal");

UpFractal= ValueWhen(
  (Ref(H,-2) > Ref(H, -4)) AND
  (Ref(H,-2) > Ref(H, -3)) AND
  (Ref(H,-2) > Ref(H, -1)) AND
  (Ref(H,-2) > H), Ref(H,-2));

DownFractal= ValueWhen(
  (Ref(L,-2) <= Ref(L, -4)) AND
  (Ref(L,-2) <=  Ref(L, -3)) AND
  (Ref(L,-2) <=  Ref(L, -1)) AND
  (Ref(L,-2) <=  L), Ref(L,-2));



//== Added Crash  crashandburn59 [at] hotmail.com solution
/* Plot(Ref(UpFractal,2), "Up Fractal", ParamColor("Up Fractal Color",colorRed), ParamStyle("Up Fractal Style", styleDashed));
Plot(Ref(DownFractal,2), "Down Fractal",ParamColor("Down Fractal Color",colorBlue), ParamStyle("Down Fractal Style", styleDashed)); */

//Plot(Max(HHV(H,3),Ref(UpFractal,2)), "Up Fractal", ParamColor("Up Fractal Color",colorRed), ParamStyle("Up Fractal Style", styleDashed));
//Plot(Max(HHV(H,3),Ref(UpFractal,2)), "Down Fractal",ParamColor("Down Fractal Color",colorBlue), ParamStyle("Down Fractal Style", styleDashed));

_SECTION_END();



_SECTION_BEGIN("Exploration");

/*
   Buy:  Scan stocks only breakout..maxbreakout (1~30%, default) and Trend is bullish
   Sell: Scan stocks only breakout..maxbreakout (1~30%, default) and Trend is bearish

*/
//== Price Increment Value - depend on different country
//Inc = 0.1;  
Inc =1;

//== Set the Price Range for stock to scan
PriceFrom = Param("Price From:", 50,   1,50000, Inc); 
PriceTo   = Param("Price To:",   50000, 1, 50000, Inc); 
MaxBreakOut = Param("Max Breakout (%)", 5, 1, 30);  
MaxBreakOut = MaxBreakOut/100;

Buy  = C>UpFractal AND C<=(1+MaxBreakOut)*UpFractal AND AlligatorTeeth>AlligatorJaw; /* AND AlligatorLips>AlligatorTeeth; */
Sell = C<DownFractal AND C>=(1-MaxBreakOut)*DownFractal AND AlligatorTeeth<AlligatorJaw; /* AND AlligatorLips<AlligatorTeeth; */



/* Filter = (Buy OR Sell) AND (C>=PriceFrom AND C<=PriceTo) AND V>0; */

Filter =  Gatorabove>=0 AND Gatorbelow <=0 AND (MA(V,3)/EMA(V,17))>1;

AddTextColumn(FullName(), "Security", 1.0, colorDefault, colorDefault, 200); 
AddTextColumn( WriteIf(Buy,"Buy", WriteIf(Sell, "Sell", "")), "Trade", 1.0);
AddColumn( UpFractal, "Up Fratal");
AddColumn( DownFractal, "Down Fratal");
AddColumn( MA(V,3)/EMA(V,17), "MAV(3/17)");
AddColumn( C, "Today's Close");

_SECTION_END(); 

GfxSetOverlayMode(1);
GfxSelectFont("Tahoma", Status("pxheight")/6 );
GfxSetTextAlign( 6 );// center alignment
GfxSetTextColor( ParamColor( "Warna", colorLightGrey ) );
GfxSetBkMode(0); // transparent
GfxTextOut( "Gator", Status("pxwidth")/2, Status("pxheight")/2 );