dynamicrs_channel_v1

//+------------------------------------------------------------------+
//|                                            DynamicRS_Channel.mq5 |
//|                                 Copyright © 2007, Nick A. Zhilin |
//|                                                  rebus58@mail.ru |
//+------------------------------------------------------------------+
//--- àâòîðñòâî èíäèêàòîðà
#property copyright "Copyright © 2007, Nick A. Zhilin"
//--- ññûëêà íà ñàéò àâòîðà
#property link      "rebus58@mail.ru"
//--- íîìåð âåðñèè èíäèêàòîðà
#property version   "1.00"
#property description "Êàíàë, ïîñòðîåííûé áåç óñðåäíåíèÿ" 
//--- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window 
//--- äëÿ ðàñ÷¸òà è îòðèñîâêè èíäèêàòîðà èñïîëüçîâàíî 3 áóôåðà
#property indicator_buffers 3
//--- èñïîëüçîâàíî âñåãî òðè ãðàôè÷åñêèõ ïîñòðîåíèÿ
#property indicator_plots   3
//+----------------------------------------------+ 
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà 1            |
//+----------------------------------------------+
//--- â êà÷åñòâå èíäèêàòîðà èñïîëüçîâàíà ëèíèÿ
#property indicator_type1   DRAW_LINE
//--- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label1  "DynamicRS Middle"
//--- â êà÷åñòâå öâåòà èíäèêàòîðà èñïîëüçîâàí
#property indicator_color1 clrDodgerBlue
//--- ëèíèÿ èíäèêàòîðà - ñïëîøíàÿ
#property indicator_style1  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 2
#property indicator_width1  2
//+----------------------------------------------+ 
//|  Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà 2            |
//+----------------------------------------------+
//--- â êà÷åñòâå èíäèêàòîðà èñïîëüçîâàíà ëèíèÿ
#property indicator_type2   DRAW_LINE
//--- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label2  "DynamicRS Upper"
//--- â êà÷åñòâå öâåòîâ ëèíèè èíäèêàòîðà èñïîëüçîâàí
#property indicator_color2 clrRed
//--- ëèíèÿ èíäèêàòîðà - ñïëîøíàÿ
#property indicator_style2  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 2
#property indicator_width2  2
//+----------------------------------------------+ 
//| Ïàðàìåòðû îòðèñîâêè èíäèêàòîðà 3             |
//+----------------------------------------------+
//--- â êà÷åñòâå èíäèêàòîðà èñïîëüçîâàíà ëèíèÿ
#property indicator_type3   DRAW_LINE
//--- îòîáðàæåíèå ìåòêè èíäèêàòîðà
#property indicator_label3  "DynamicRS Lower"
//--- â êà÷åñòâå öâåòîâ ëèíèè èíäèêàòîðà èñïîëüçîâàí
#property indicator_color3 clrMediumSeaGreen
//--- ëèíèÿ èíäèêàòîðà - ñïëîøíàÿ
#property indicator_style3  STYLE_SOLID
//--- òîëùèíà ëèíèè èíäèêàòîðà ðàâíà 2
#property indicator_width3  2
//+----------------------------------------------+ 
//| îáúÿâëåíèå êîíñòàíò                          |
//+----------------------------------------------+ 
#define RESET 0 // Êîíñòàíòà äëÿ âîçâðàòà òåðìèíàëó êîìàíäû íà ïåðåñ÷¸ò èíäèêàòîðà
//+----------------------------------------------+ 
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà                 |
//+----------------------------------------------+ 
input uint Filter=150; // Øèðèíà
//+----------------------------------------------+
//--- îáúÿâëåíèå äèíàìè÷åñêèõ ìàññèâîâ, êîòîðûå â äàëüíåéøåì
//--- áóäóò èñïîëüçîâàíû â êà÷åñòâå èíäèêàòîðíûõ áóôåðîâ
double LowestBuffer[];
double HighestBuffer[];
double MiddleBuffer[];
//---
double dFilter;
//--- Îáúÿâëåíèå öåëûõ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
int min_rates_total;
//+------------------------------------------------------------------+ 
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+ 
void OnInit()
  {
//--- èíèöèàëèçàöèÿ ïåðåìåííûõ íà÷àëà îòñ÷¸òà äàííûõ
   min_rates_total=2;
   dFilter=Filter*_Point;
//--- ïðåâðàùåíèå äèíàìè÷åñêèõ ìàññèâîâ â èíäèêàòîðíûå áóôåðû
   SetIndexBuffer(0,MiddleBuffer,INDICATOR_DATA);
   SetIndexBuffer(1,LowestBuffer,INDICATOR_DATA);
   SetIndexBuffer(2,HighestBuffer,INDICATOR_DATA);
//--- çàïðåò íà îòðèñîâêó èíäèêàòîðîì ïóñòûõ çíà÷åíèé
   PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0);
   PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,0.0);
   PlotIndexSetDouble(2,PLOT_EMPTY_VALUE,0.0);
//--- èíäåêñàöèÿ ýëåìåíòîâ â áóôåðàõ êàê â òàéìñåðèÿõ   
   ArraySetAsSeries(LowestBuffer,true);
   ArraySetAsSeries(HighestBuffer,true);
   ArraySetAsSeries(MiddleBuffer,true);
//--- óñòàíîâêà ïîçèöèè, ñ êîòîðîé íà÷èíàåòñÿ îòðèñîâêà
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total);
   PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total);
   PlotIndexSetInteger(2,PLOT_DRAW_BEGIN,min_rates_total);
//--- óñòàíîâêà ôîðìàòà òî÷íîñòè îòîáðàæåíèÿ èíäèêàòîðà
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//--- èìÿ äëÿ îêîí äàííûõ è ìåòêà äëÿ ïîäîêîí 
   string shortname;
   StringConcatenate(shortname,"DynamicRS_Channel(",Filter,")");
   IndicatorSetString(INDICATOR_SHORTNAME,shortname);
//---   
  }
//+------------------------------------------------------------------+ 
//| 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[])
  {
//--- ïðîâåðêà êîëè÷åñòâà áàðîâ íà äîñòàòî÷íîñòü äëÿ ðàñ÷¸òà
   if(rates_total<min_rates_total)return(RESET);
//--- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ 
   int limit,bar;
   double;
//--- ðàñ÷¸ò ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷¸òà áàðîâ è ñòàðòîâàÿ èíèöèàëèçàöèÿ ïåðåìåííûõ
   if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
     {
      limit=rates_total-1-min_rates_total; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà âñåõ áàðîâ
     }
   else
     {
      limit=rates_total-prev_calculated; // ñòàðòîâûé íîìåð äëÿ ðàñ÷¸òà íîâûõ áàðîâ
     }
//--- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ 
   ArraySetAsSeries(high,true);
   ArraySetAsSeries(low,true);
//--- ïåðâûé áîëüøîé öèêë ðàñ÷¸òà èíäèêàòîðà
   for(bar=limit; bar>=0 && !IsStopped(); bar--)
     {
      if(high[bar]<high[bar+1] &&  high[bar]<MiddleBuffer[bar+1]-dFilter) MiddleBuffer[bar]=high[bar];
      else if(low[bar]>low[bar+1]&& low[bar]>MiddleBuffer[bar+1]+dFilter) MiddleBuffer[bar]=low[bar];
      else MiddleBuffer[bar]=MiddleBuffer[bar+1];
      //---
      HighestBuffer[bar]=MiddleBuffer[bar]+dFilter;
      LowestBuffer[bar]=MiddleBuffer[bar]-dFilter;
     }
//---     
   return(rates_total);
  }
//+------------------------------------------------------------------+