Inertia_Candles

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

//|                                              Inertia_Candles.mq5 |

//|                                      Copyright © 2008, NICTRADER | 

//|                              Khabarovsk,   farria@mail.redcom.ru | 

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

#property copyright "Copyright © 2008, NICTRADER"

#property link "http://nyctrader.ru/"

#property description ""

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

#property version   "1.00"

//---- >B@8A>2:0 8=48:0B>@0 2 3;02=>< >:=5

#property indicator_chart_window 

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

#property indicator_buffers 5

//---- 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_COLOR_CANDLES

#property indicator_color1  clrRed,clrGray,clrDodgerBlue

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

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



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

//| E>4=K5 ?0@0<5B@K 8=48:0B>@0                 |

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

input uint body=100; // 07<5@ 87<5=5=8O F5=K 2 ?C=:B0E                   

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



//---- >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[];

//----

double dBody;

int min_rates_total;

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

//| Custom indicator initialization function                         |

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

void OnInit()

  {

//---- 8=8F80;870F8O 3;>10;L=KE ?5@5<5==KE 

   min_rates_total=1;

   dBody=body*_Point;



//---- ?@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);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 F25B>2>9, 8=45:A=K9 1CD5@   

   SetIndexBuffer(4,ExtColorBuffer,INDICATOR_COLOR_INDEX);

//---- CAB0=>2:0 7=0G5=89 8=48:0B>@0, :>B>@K5 =5 1C4CB 2848<K =0 3@0D8:5

   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,NULL);



//---- #AB0=>2:0 D>@<0B0 B>G=>AB8 >B>1@065=8O 8=48:0B>@0

   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);

//---- 8<O 4;O >:>= 40==KE 8 <5B:0 4;O AC1J>:>= 

   string short_name="Inertia_Candles("+string(body)+")";

   IndicatorSetString(INDICATOR_SHORTNAME,short_name);

//----   

  }

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

//| Custom indicator iteration function                              |

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

int OnCalculate(const int rates_total,

                const int prev_calculated,

                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 @0AG5B0

   if(rates_total<min_rates_total) return(0);



//---- >1JO2;5=8O ;>:0;L=KE ?5@5<5==KE 

   int first,bar;



//---- @0AG5B AB0@B>2>3> =><5@0 first 4;O F8:;0 ?5@5AG5B0 10@>2

   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 @0AG5B0 2A5E 10@>2

     }

   else first=prev_calculated-1; // AB0@B>2K9 =><5@ 4;O @0AGQB0 =>2KE 10@>2



//---- A=>2=>9 F8:; @0AG5B0 8=48:0B>@0

   for(bar=first; bar<rates_total && !IsStopped(); bar++)

     {

      ExtOpenBuffer[bar]=ExtCloseBuffer[bar]=ExtHighBuffer[bar]=ExtLowBuffer[bar]=NULL;



      int clr=1;

      if(close[bar]>open[bar] && close[bar]-open[bar]>dBody)

        {

         clr=2;

         ExtOpenBuffer[bar]=open[bar];

         ExtCloseBuffer[bar]=close[bar];

         ExtHighBuffer[bar]=high[bar];

         ExtLowBuffer[bar]=low[bar];

        }

      if(close[bar]<open[bar] && open[bar]-close[bar]>dBody)

        {

         clr=0;

         ExtOpenBuffer[bar]=open[bar];

         ExtCloseBuffer[bar]=close[bar];

         ExtHighBuffer[bar]=high[bar];

         ExtLowBuffer[bar]=low[bar];

        }

      ExtColorBuffer[bar]=clr;

     }

//----     

   return(rates_total);

  }

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