CenterOfGravityCandle_

ÿþ//+---------------------------------------------------------------------+

//|                                          CenterOfGravityCandle_.mq5 |

//|                         Copyright © 2007, MetaQuotes Software Corp. |

//|                                           http://www.metaquotes.net |

//+---------------------------------------------------------------------+ 

//| ;O @01>BK  8=48:0B>@0  A;54C5B  ?>;>68BL D09; SmoothAlgorithms.mqh |

//| 2 ?0?:C (48@5:B>@8N): :0B0;>3_40==KE_B5@<8=0;0\\MQL5\Include        |

//+---------------------------------------------------------------------+

#property copyright "Copyright © 2007, MetaQuotes Software Corp."

#property link      "http://www.metaquotes.net"

//---- =><5@ 25@A88 8=48:0B>@0

#property version   "1.11"

//---- >B@8A>2:0 8=48:0B>@0 2 >B45;L=>< >:=5

#property indicator_separate_window

//---- 4;O @0AG5B0 8 >B@8A>2:8 8=48:0B>@0 8A?>;L7>20=> ?OBL 1CD5@>2

#property indicator_buffers 4

//---- 8A?>;L7>20=> 2A53> >4=> 3@0D8G5A:>5 ?>AB@>5=85

#property indicator_plots   1

//+----------------------------------------------+

//|  0@0<5B@K >B@8A>2:8 8=48:0B>@0              |

//+----------------------------------------------+

//---- 2 :0G5AB25 8=48:0B>@0 8A?>;L7>20=K F25B=K5 A25G8

#property indicator_type1   DRAW_CANDLES

#property indicator_color1   clrSlateBlue,clrAqua,clrDeepPink

//---- >B>1@065=85 <5B:8 8=48:0B>@0

#property indicator_label1  "CenterOfGravityCandle Open; High; Low; Close"

//+-----------------------------------+

//|  %+  " + "      |

//+-----------------------------------+

input uint Period_=10; //?5@8>4 CA@54=5=8O 8=48:0B>@0

input uint SmoothPeriod=3; //?5@8>4 A3;06820=8O A83=0;L=>9 ;8=88

input ENUM_MA_METHOD MA_Method_=MODE_SMA; //<5B>4 CA@54=5=8O A83=0;L=>9 ;8=88

//+-----------------------------------+

//---- >1JO2;5=85 48=0<8G5A:8E <0AA82>2, :>B>@K5 1C4CB 2 40;L=59H5< 8A?>;L7>20=K 2 :0G5AB25 8=48:0B>@=KE 1CD5@>2

double ExtOpenBuffer[];

double ExtHighBuffer[];

double ExtLowBuffer[];

double ExtCloseBuffer[];

double ExtColorBuffer[];

//---- 1JO2;5=85 F5;KE ?5@5<5==KE =0G0;0 >BAGQB0 40==KE

int min_rates_total;

//+------------------------------------------------------------------+

// ?8A0=85 DC=:F88 iPriceSeries                                     |

// ?8A0=85 :;0AA0 Moving_Average                                    | 

//+------------------------------------------------------------------+ 

#include <SmoothAlgorithms.mqh> 

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+  

void OnInit()

  {

//---- 8=8F80;870F8O :>=AB0=B

   min_rates_total=int(Period_+1+SmoothPeriod+2);

//---- ?@52@0I5=85 48=0<8G5A:8E <0AA82>2 2 8=48:0B>@=K5 1CD5@K

   SetIndexBuffer(0,ExtOpenBuffer,INDICATOR_DATA);

   SetIndexBuffer(1,ExtHighBuffer,INDICATOR_DATA);

   SetIndexBuffer(2,ExtLowBuffer,INDICATOR_DATA);

   SetIndexBuffer(3,ExtCloseBuffer,INDICATOR_DATA);



   

//---- >ACI5AB2;5=85 A42830 =0G0;0 >BAG5B0 >B@8A>2:8 8=48:0B>@0

   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);

//---- 70?@5B =0 >B>1@065=85 7=0G5=89 8=48:0B>@0 2 ;52>< 25@E=5< C3;C >:=0 8=48:0B>@0

   PlotIndexSetInteger(0,PLOT_SHOW_DATA,false);



//---- 8=8F80;870F88 ?5@5<5==>9 4;O :>@>B:>3> 8<5=8 8=48:0B>@0

   string shortname;

   StringConcatenate(shortname,"CenterOfGravityCandle(",Period_,")");

//---- A>740=85 8<5=8 4;O >B>1@065=8O 2 >B45;L=>< ?>4>:=5 8 2> 2A?;K20NI59 ?>4A:07:5

   IndicatorSetString(INDICATOR_SHORTNAME,shortname);

//---- >?@545;5=85 B>G=>AB8 >B>1@065=8O 7=0G5=89 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,0);

//----

  }

//+------------------------------------------------------------------+

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+

int OnCalculate(

                const int rates_total,    // :>;8G5AB2> 8AB>@88 2 10@0E =0 B5:CI5< B8:5

                const int prev_calculated,// :>;8G5AB2> 8AB>@88 2 10@0E =0 ?@54K4CI5< B8:5

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[]

                )

  {

//---- ?@>25@:0 :>;8G5AB20 10@>2 =0 4>AB0B>G=>ABL 4;O @0AGQB0

   if(rates_total<min_rates_total) return(0);



//---- 1JO2;5=85 ?5@5<5==KE A ?;020NI59 B>G:>9  

   double sma,lwma,resalt;

//---- 1JO2;5=85 F5;KE ?5@5<5==KE

   int first,bar;

   static int startbar;



//---- =8F80;870F8O 8=48:0B>@0 2 1;>:5 OnCalculate()

   if(prev_calculated>rates_total || prev_calculated<=0)// ?@>25@:0 =0 ?5@2K9 AB0@B @0AGQB0 8=48:0B>@0

     {

      first=0; // AB0@B>2K9 =><5@ 4;O @0AGQB0 2A5E 10@>2 ?5@2>3> F8:;0

      startbar=int(Period_+1);

     }

   else // AB0@B>2K9 =><5@ 4;O @0AGQB0 =>2KE 10@>2

     {

      first=prev_calculated-1;

     }



//---- >1JO2;5=85 ?5@5<5==KE :;0AA0 Moving_Average

   static CMoving_Average OpMA,OpLWMA,OpSIGN,HMA,HLWMA,HSIGN,LMA,LLWMA,LSIGN,ClMA,ClLWMA,ClSIGN;



//---- A=>2=>9 F8:; @0AGQB0 A@54=59 ;8=88 :0=0;0

   for(bar=first; bar<rates_total; bar++)

     {

      sma=OpMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_SMA,open[bar],bar,false);

      lwma=OpLWMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_LWMA,open[bar],bar,false);

      resalt=sma*lwma/_Point;

      ExtOpenBuffer[bar]=OpSIGN.MASeries(startbar,prev_calculated,rates_total,SmoothPeriod,MA_Method_,resalt,bar,false);

      

      sma=HMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_SMA,high[bar],bar,false);

      lwma=HLWMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_LWMA,high[bar],bar,false);

      resalt=sma*lwma/_Point;

      ExtHighBuffer[bar]=HSIGN.MASeries(startbar,prev_calculated,rates_total,SmoothPeriod,MA_Method_,resalt,bar,false);

      

      sma=LMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_SMA,low[bar],bar,false);

      lwma=LLWMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_LWMA,low[bar],bar,false);

      resalt=sma*lwma/_Point;

      ExtLowBuffer[bar]=LSIGN.MASeries(startbar,prev_calculated,rates_total,SmoothPeriod,MA_Method_,resalt,bar,false);

      

      sma=ClMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_SMA,close[bar],bar,false);

      lwma=ClLWMA.MASeries(0,prev_calculated,rates_total,Period_,MODE_LWMA,close[bar],bar,false);

      resalt=sma*lwma/_Point;

      ExtCloseBuffer[bar]=ClSIGN.MASeries(startbar,prev_calculated,rates_total,SmoothPeriod,MA_Method_,resalt,bar,false);

     }



//---- A=>2=>9 F8:; 8A?@02;5=8O A25G59

   for(bar=first; bar<rates_total; bar++)

     {

      double Max=MathMax(ExtOpenBuffer[bar],ExtCloseBuffer[bar]);

      double Min=MathMin(ExtOpenBuffer[bar],ExtCloseBuffer[bar]);

      

      ExtHighBuffer[bar]=MathMax(Max,ExtHighBuffer[bar]);

      ExtLowBuffer[bar]=MathMin(Min,ExtLowBuffer[bar]);

     }

//----    

   return(rates_total);

  }

//+------------------------------------------------------------------+