line_Volum

// Ëèíåéíûé îáúåì.mq4
// Èíäèêàòîð

// Ïðåïðîöåññîð
#property copyright "mandorr@gmail.com"
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_width1 2
#property indicator_style1 0
#property indicator_color1 SkyBlue
#property indicator_minimum 0


// Ïàðàìåòðû
extern int period=5;          // Ïåðèîä (êîëè÷åñòâî áàðîâ äèàïàçîíà)
extern int CountBars=10000;   // Êîëè÷åñòâî îòîáðàæàåìûõ áàðîâ

// Ïåðåìåííûå
double buffer[];

void init() {
   IndicatorShortName("Ëèíåéíûé îáúåì ("+period+")");
   IndicatorDigits(0);
   SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID,2,SkyBlue);
   SetIndexBuffer(0,buffer);
   SetIndexLabel(0,"Value");
   SetIndexDrawBegin(0,0);
   SetIndexEmptyValue(0,0);
}

void deinit() {
}

void start() {
   ArrayInitialize(buffer,0);
   int p=period; if (period<1) p=1;
   for (int i=0;i<=CountBars-1;i++) {
      int length=0;
      for (int j=0;j<=p-1;j++) {
         if (Low[i+j]>Close[i+j+1]) length+=MathRound((High[i+j]-Close[i+j+1])/Point);
         else if (High[i+j]<Close[i+j+1]) length+=MathRound((Close[i+j+1]-Low[i+j])/Point);
         else length+=MathRound((High[i+j]-Low[i+j])/Point);
      }
      buffer[i]=length/p;
   }
}