Center_of_Gravityind





//+------------------------------------------------------------------+
//|                                            Center of Gravity.mq4 |
//|                      Copyright © 2007, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"
//----
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 OrangeRed
//---- input parameters
extern int       Per = 10;
extern int       PriceType = 0; // Close
// Constant          Value Description 
// PRICE_CLOSE       0     Close price. 
// PRICE_OPEN        1     Open price. 
// PRICE_HIGH        2     High price. 
// PRICE_LOW         3     Low price. 
// PRICE_MEDIAN      4     Median price, (high+low)/2. 
// PRICE_TYPICAL     5     Typical price, (high+low+close)/3. 
// PRICE_WEIGHTED    6     Weighted close price, (high+low+close+close)/4. 
extern int       SmoothPer = 3;
extern int       SmoothType = 0; // MODE_SMA
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
//+------------------------------------------------------------------+
//| âîçâðàùàåò öåíó                                                  |
//+------------------------------------------------------------------+
double Price(int shift)
  {
//----
   double res;
//----
   switch (PriceType)
     {
       case PRICE_OPEN:     res = Open[shift]; break;
       case PRICE_HIGH:     res = High[shift]; break;
       case PRICE_LOW:      res = Low[shift]; break;
       case PRICE_MEDIAN:   res = (High[shift] + Low[shift]) / 2.0; break;
       case PRICE_TYPICAL:  res = (High[shift] + Low[shift] + 
                                  Close[shift])/3.0; break;
       case PRICE_WEIGHTED: res = (High[shift] + Low[shift] + 
                                  2*Close[shift]) / 4.0; break;
       default:             res = Close[shift]; break;
     }
   return(res);
  }
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0, DRAW_LINE);
   SetIndexBuffer(0, ExtMapBuffer1);
   SetIndexLabel(0, "CG Main");
   SetIndexStyle(1, DRAW_LINE);
   SetIndexBuffer(1, ExtMapBuffer2);
   SetIndexLabel(1, "CG Signal");
   IndicatorShortName("CG(" + Per + ", " + SmoothPer + ")");
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars = IndicatorCounted();
   int i, k, limit, limit1;
//----
   if(counted_bars == 0) 
     {
       limit = Bars - Per - 1;
       limit1 = limit - SmoothPer;
     }
   if(counted_bars>0)  
     {
       limit = Bars - counted_bars;
       limit1 = limit;
     }
   double P;
   for(i = limit; i >= 0; i--)
     {
       P = 0;
       for(k = 0; k < Per; k++)
           P += (k + 1)*Price(i + k);
       ExtMapBuffer1[i] = -P / (iMA(NULL, 0, Per, 0, MODE_SMA, PriceType, i)*Per);   
     }   
   for(i = limit1; i >= 0; i--)
       ExtMapBuffer2[i] = iMAOnArray(ExtMapBuffer1, 0, SmoothPer, 0, SmoothType, i);   
//----
   return(0);
  }
//+------------------------------------------------------------------+



Sample





Analysis



Market Information Used:

Series array that contains open prices of each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Series array that contains close prices for each bar


Indicator Curves created:

Implements a curve of type DRAW_LINE


Indicators Used:

Moving average indicator


Custom Indicators Used:

Order Management characteristics:

Other Features: