Rj_SlidingRangeRj_Digit

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

//|                                      Rj_SlidingRangeRj_Digit.mq5 |

//|                            Copyright © 2011,RJ Rjabkov Alexander |

//|                                                     rj-a@mail.ru |

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

#property copyright "Copyright © 2011,RJ Rjabkov Alexander"

#property link      "rj-a@mail.ru"

//---- =><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 

//---- :>;8G5AB2> 8=48:0B>@=KE 1CD5@>2

#property indicator_buffers 4 

//---- 8A?>;L7>20=> B@8 3@0D8G5A:8E ?>AB@>5=8O

#property indicator_plots   3

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

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

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

//---- >B@8A>2:0 8=48:0B>@0 2 2845 ;8=88

#property indicator_type1   DRAW_LINE

//---- 2 :0G5AB25 F25B0 ;8=88 8=48:0B>@0 8A?>;L7>20= 75;Q=K9 F25B

#property indicator_color1 clrLime

//---- ;8=8O 8=48:0B>@0 - =5?@5@K2=0O :@820O

#property indicator_style1  STYLE_SOLID

//---- B>;I8=0 ;8=88 8=48:0B>@0 @02=0 2

#property indicator_width1  2

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

#property indicator_label1  "Upper Rj_SlidingRange"

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

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

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

//---- >B@8A>2:0 8=48:0B>@0 2 2845 <=>3>F25B=>9 ;8=88

#property indicator_type2   DRAW_COLOR_LINE

//---- 2 :0G5AB25 F25B>2 42CEF25B=>9 ;8=88 8A?>;L7>20=K

#property indicator_color2  clrMagenta,clrBlue

//---- ;8=8O 8=48:0B>@0 - =5?@5@K2=0O :@820O

#property indicator_style2  STYLE_SOLID

//---- B>;I8=0 ;8=88 8=48:0B>@0 @02=0 4

#property indicator_width2  4

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

#property indicator_label2  "Middle Rj_SlidingRange"

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

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

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

//---- >B@8A>2:0 8=48:0B>@0 2 2845 ;8=88

#property indicator_type3   DRAW_LINE

//---- 2 :0G5AB25 F25B0 ;8=88 8=48:0B>@0 8A?>;L7>20= :@0A=K9 F25B

#property indicator_color3 clrRed

//---- ;8=8O 8=48:0B>@0 - =5?@5@K2=0O :@820O

#property indicator_style3  STYLE_SOLID

//---- B>;I8=0 ;8=88 8=48:0B>@0 @02=0 2

#property indicator_width3  2

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

#property indicator_label3  "Lower Rj_SlidingRange"

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

//|  %+  " + "      |

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

input uint CalcPeriodRange=5;

input uint Digit=2;                       // :>;8G5AB2> @07@O4>2 >:@C3;5=8O

input int Shift=0;                        // !4283 8=48:0B>@0 ?> 3>@87>=B0;8 2 10@0E

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

//---- 8=48:0B>@=K5 1CD5@K

double UpperBuffer[];

double MiddleBuffer[];

double LowerBuffer[];

double ColorMiddleBuffer[];

double PointPow10;

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

int min_rates_total;

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

//| Rj_SlidingRange Channel indicator initialization function        | 

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

void OnInit()

  {

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

   min_rates_total=int(CalcPeriodRange+1);

   PointPow10=_Point*MathPow(10,Digit);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(0,UpperBuffer,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);

//---- 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,0);

//---- >ACI5AB2;5=85 A42830 8=48:0B>@0 ?> 3>@87>=B0;8 =0 Shift

   PlotIndexSetInteger(0,PLOT_SHIFT,Shift);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(UpperBuffer,true);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(1,MiddleBuffer,INDICATOR_DATA);

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

   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);

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

   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0);

//---- >ACI5AB2;5=85 A42830 8=48:0B>@0 ?> 3>@87>=B0;8 =0 Shift

   PlotIndexSetInteger(1,PLOT_SHIFT,Shift);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(MiddleBuffer,true);

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

   SetIndexBuffer(2,ColorMiddleBuffer,INDICATOR_COLOR_INDEX);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(ColorMiddleBuffer,true);



//---- ?@52@0I5=85 48=0<8G5A:>3> <0AA820 2 8=48:0B>@=K9 1CD5@

   SetIndexBuffer(3,LowerBuffer,INDICATOR_DATA);

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

   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);

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

   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0);

//---- >ACI5AB2;5=85 A42830 8=48:0B>@0 ?> 3>@87>=B0;8 =0 Shift

   PlotIndexSetInteger(2,PLOT_SHIFT,Shift);

//---- 8=45:A0F8O M;5<5=B>2 2 1CD5@5 :0: 2 B09<A5@88

   ArraySetAsSeries(LowerBuffer,true);



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

   string shortname;

   StringConcatenate(shortname,"Rj_SlidingRangeRj_Digit(",CalcPeriodRange,")");

//--- 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,_Digits);

//---- 7025@H5=85 8=8F80;870F88

  }

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

//| Rj_SlidingRange Channel 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 F5;KE ?5@5<5==KE

   int limit;



//---- @0AGQB AB0@B>2>3> =><5@0 limit 4;O F8:;0 ?5@5AGQB0 10@>2

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

      limit=rates_total-min_rates_total-1; // AB0@B>2K9 =><5@ 4;O @0AGQB0 2A5E 10@>2

   else limit=rates_total-prev_calculated;  // AB0@B>2K9 =><5@ 4;O @0AGQB0 B>;L:> =>2KE 10@>2



//---- 8=45:A0F8O M;5<5=B>2 2 <0AA820E :0: 2 B09<A5@8OE  

   ArraySetAsSeries(High,true);

   ArraySetAsSeries(Low,true);



//---- >A=>2=>9 F8:; @0AGQB0 8=48:0B>@0

   for(int bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      int iii=bar+int(CalcPeriodRange)-1;

      double b1=0,b2=0;

      while(iii>=bar)

        {

         b1+=High[ArrayMaximum(High,iii,CalcPeriodRange)];

         b2+=Low[ArrayMinimum(Low,iii,CalcPeriodRange)];

         iii--;

        }

        

      UpperBuffer[bar]=b1/CalcPeriodRange;

      LowerBuffer[bar]=b2/CalcPeriodRange;     

      MiddleBuffer[bar]=NormalizeDouble((UpperBuffer[bar]+LowerBuffer[bar])/2,_Digits);

      

      MiddleBuffer[bar]=PointPow10*MathRound(MiddleBuffer[bar]/PointPow10);

      UpperBuffer[bar]=PointPow10*MathRound(UpperBuffer[bar]/PointPow10);

      LowerBuffer[bar]=PointPow10*MathRound(LowerBuffer[bar]/PointPow10);

     }



   if(prev_calculated>rates_total || prev_calculated<=0) limit--;

//---- A=>2=>9 F8:; @0A:@0A:8 A83=0;L=>9 ;8=88

   for(int bar=limit; bar>=0 && !IsStopped(); bar--)

     {

      ColorMiddleBuffer[bar]=ColorMiddleBuffer[bar+1];

      if(MiddleBuffer[bar+1]<MiddleBuffer[bar]) ColorMiddleBuffer[bar]=1;

      if(MiddleBuffer[bar+1]>MiddleBuffer[bar]) ColorMiddleBuffer[bar]=0;

     }

//----    

   return(rates_total);

  }

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