Nirmala Coloured Candle

/
//PREF > INTRADAY > START TIME INTERVAL       
_SECTION_BEGIN("graph");  
SetChartOptions(0,chartShowArrows|chartShowDates);     
gxs=Param("GRAPH spaceing",10,5,50,5);  
GraphXSpace = gxs; 
strWeekday = StrMid("SunMonTueWedThuFriSat", SelectedValue(DayOfWeek())*3,3);
 _SECTION_END(); 
_SECTION_BEGIN("NMA mkm110709");    
HaClose=(O+H+L+C)/4; 
HaOpen = AMA( Ref( HaClose,  -1 ),  0.5 ); 
HaHigh = Max( H,  Max( HaClose,  HaOpen ) ); 
HaLow = Min( L,  Min( HaClose,  HaOpen ) ); 
Candletype=ParamList("Candle Type","Candle|Haikin",1);
UpCandle = ParamColor("Up Color", colorBrightGreen );
DownCandle = ParamColor("Down Color", colorDarkRed );
Consolidation = ParamColor("Consolidation", colorBlack ); 
if(Candletype=="Haikin")
{
BG=HHV(LLV(HALow,4)+ATR(4),8); 
BR=LLV(HHV(HAHigh,4)-ATR(4),8);
MYcolor = IIf(HAClose>BG ,UpCandle,IIf(HAClose < BR,DownCandle,Consolidation));  
PlotOHLC( HaOpen, HaHigh, HaLow, HaClose, "" + Name(), mycolor, styleCandle |styleThick );
Com=("\n "+Name()+" Phase: ")+
WriteIf(HAClose>BG,EncodeColor(colorLime)+"+Up",
WriteIf(HACloseBG2 ,UpCandle,IIf(Close < BR2,DownCandle,Consolidation));  
SetBarFillColor( IIf(O BG2,EncodeColor(colorLime)+"+Up",
WriteIf(C NW[i-1]) 
   { 
    NW[i] = j[i] - Revers[i];  
   } 
   else 
   { 
    NW[i] = NW[i-1]; 
   } 
  }  
 } 
 if(Trend[i-1] == -1)                
 { 
  if(j[i] > NW[i-1])                 
  { 
   Trend[i] = 1;                     
   NW[i] = j[i] - Revers[i];         
  } 
  else                               
  { 
   Trend[i] = -1; 
   if((j[i] + Revers[i]) < NW[i-1])  
   { 
    NW[i] = j[i] + Revers[i];  
   } 
   else 
   { 
    NW[i] = NW[i-1]; 
   } 
  } 
 } 
} 

Plot(NW, "", IIf(Trend == 1, 6, 4), 4); 

//---------------trading  -------------

Buy=Cross(j,nw);
Short=Cross(nw,j);
Sell=Cross(nw,j);
Cover=Cross(j,nw);
Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);
Short=ExRem(Short,Cover);
Cover=ExRem(Cover,Short);
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorSkyblue, 0,haLow,-15);  
PlotShapes(IIf(Sell, shapeHollowDownArrow, shapeNone),colorLightYellow, 0,hahigh,-15);  
PlotShapes(IIf(Cover, shapeHollowCircle, shapeNone),colorTan, 0,haclose,0);  
PlotShapes(IIf(Short, shapeDownArrow, shapeNone),colorGold, 0,hahigh,-25); 
//-----------end--------------
Long=Flip(Buy,Sell OR Cover); 
Shrt=Flip(Sell,Buy OR Cover); 
NOTrade= NOT (Long OR shrt); 
BuyPrice=ValueWhen(Buy,C);
SellPrice=ValueWhen(Sell,C);
ShortPrice=ValueWhen(Short,C);
CoverPrice=ValueWhen(Cover,C);
_SECTION_END(); 
_SECTION_BEGIN("foreign NMA");
Vr=ParamList("Index",List = "^NSEI,^NSEBANK,RELIANCE.NS,SBIN.NS,EURUSD,XAUUSD",0); 
SetForeign(Vr);
HaC =(O+H+L+C)/4; 
HaO = AMA( Ref( HaC, -1 ), 0.5 ); 
HaH = Max( H, Max( HaC, HaO) ); 
HaL = Min( L, Min( HaC, HaO) );
BG3=HHV(LLV(HaL,4)+ATR(4),8); 
BR3=LLV(HHV(HaH ,4)-ATR(4),8); 
co = IIf(Hac>BG3 ,colorAqua,IIf(Hac < BR3,colorCustom12,colorGrey50)); 
Plot(4, "", Co,styleArea+styleOwnScale | styleNoLabel, -1, 100);
Comm2=("\n "+Vr+" Phase: ")+
WriteIf(Hac>BG3,EncodeColor(colorLime)+"+Up",
WriteIf(Hac"));
RestorePriceArrays();
_SECTION_END();
grid_day = IIf(Day()!=Ref(Day(),-1),1,0);  
Plot(grid_day,"",colorDarkGrey,styleHistogram|styleDashed|styleNoLabel|styleOwnScale);
//=================TITLE================================================================================================ 
_SECTION_BEGIN("Title"); 
if( Status("action") == actionIndicator )  
( 
Title = EncodeColor(colorWhite)+ "NMA I.T ("+k+" - "+per+")" + " - " +  Name() + " \n " + EncodeColor(colorRed)+ Interval(2) + EncodeColor(colorWhite) + 
 "  - " + Date() +"   -  "+ strWeekday +"  -  "+"\n" +EncodeColor(colorYellow) +"Op-"+O+"  "+"Hi-"+H+"  "+"Lo-"+L+"  "+ 
"Cl-"+C+"  "+ "Vol= "+ WriteVal(V)+"\n"+ 
EncodeColor(colorLime)+ 
WriteIf (Buy AND Ref(shrt,-1), " GO LONG / Reverse Signal at "+C+"  ","")+ 
WriteIf (Buy AND Ref(NOTrade,-1), " GO LONG at "+C+"  ","")+EncodeColor(colorRed)+   
WriteIf (Sell AND Ref(NOTrade,-1), " GO Short at "+C+"  ","")+ 
WriteIf (Sell AND Ref(Long,-1), " EXIT LONG / Reverse Signal at "+C+"  ","")+
WriteIf (Cover, " cover "+C+"  ","")+
EncodeColor(colorTan)+ Com+EncodeColor(colorTan)+Comm2);
_SECTION_END();
_SECTION_BEGIN("Background text");
C11=ParamColor("up panel",colorDarkOliveGreen );
C12=ParamColor("dn panel",colorDarkGrey );
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 );
ab=Param("test Color contrast",0.5,0,5,0.1 );
Miny = Status("axisminy");
Maxy = Status("axismaxy");
lvb = Status("lastvisiblebar");
fvb = Status("firstvisiblebar");
pxwidth = Status("pxwidth");
pxheight = Status("pxheight");
GfxSetBkMode( 0 ); 
GfxSetOverlayMode(1);
GfxGradientRect(0,0,pxwidth, pxheight, C11, C12 ); 
GfxSelectFont("Tahoma", Status("pxheight")/C13 );
GfxSetTextAlign( 6 );
GfxSetTextColor( ColorBlend( colorPaleBlue, C13, ab  ));
GfxTextOut( Name(), Status("pxwidth")/C14, Status("pxheight")/C15 );
GfxSelectFont("Tahoma", Status("pxheight")/C13*0.5 );
GfxTextOut( "NMA", Status("pxwidth")/C14, Status("pxheight")/C15*2.5 );
GfxSelectFont("Tahoma", Status("pxheight")/C13*0.5 );
GfxTextOut( " Karthik Marar", Status("pxwidth")/C14, Status("pxheight")/C15*4 );
GfxSelectFont("MS Sans Serif", 10, 500, False, False, 0);
GfxTextOut(""+Vr+"---cas67", Status("pxwidth")/1.08, Status("pxheight")/C15*11.1 );
//axisarea = 56; // may need adjustment if you are using non-default font for axis