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Psychological.mq4

Time: 2013-08-26 | Download file:Psychological.mq4

//+------------------------------------------------------------------+
//|                                                                  |
//|               Psychological Indicator (Ported from FXAccucharts) |
//|                                                      Version 1.0 |
//|                     Copyright © 2007, Bruce Hellstrom (brucehvn) |
//|                                              bhweb@speakeasy.net |
//|                                         http://www.metaquotes.ru |
//+------------------------------------------------------------------+
//+--------------------------------------------------------------------------------+
//|  This indicator is ported from the FXAccuCharts platform to MT4. The formula   |
//|  used here has been tested on FXAccuCharts to insure it displays the same as   |
//|  their default psychological indicator.                                        |
//|                                                                                |
//| Input Parameters:                                                              |
//|  PsychPeriod - Lookback periods for the indicator (25 default)                 |
//|                                                                                |
//| Revision History                                                               |
//|    Version 1.0                                                                 |
//|    * Initial Revision                                                          |
//+--------------------------------------------------------------------------------+
#property copyright "Copyright © 2007, Bruce Hellstrom (brucehvn)"
#property link      "http: //www.metaquotes.net/"
//----
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 DodgerBlue
#property indicator_style1 STYLE_SOLID
//----
#property indicator_level1 50.0
#property indicator_level2 75.0
#property indicator_level3 25.0
#property indicator_levelcolor Silver
#property indicator_levelwidth 1
#property indicator_levelstyle STYLE_DOT
#define INDICATOR_VERSION "v1.0"
// Input Parameters
extern int PsychPeriod=25;
// Buffers
double PsychBuffer[];
// Other Variables
string ShortName;
int CountBuf[];
// Custom indicator initialization function
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
  int init() 
  {
   IndicatorBuffers( 1 );
   SetIndexStyle( 0, DRAW_LINE, STYLE_SOLID, 1 );
   SetIndexBuffer( 0, PsychBuffer );
   SetIndexDrawBegin( 0, PsychPeriod );
   ArraySetAsSeries( CountBuf, true );
   ShortName="Psychological-" + INDICATOR_VERSION + "(" + PsychPeriod + ")";
   IndicatorShortName( ShortName );
   SetIndexLabel( 0, ShortName );
   Print( ShortName );
   Print( "Copyright (c) 2007 - Bruce Hellstrom, bhweb@speakeasy.net" );
//----
   return( 0 );
  }
// Custom indicator deinitialization function
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
  int deinit() 
  {
   return( 0 );
  }
// Indicator Logic run on every tick
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
  int start() 
  {
   int counted_bars=IndicatorCounted();
   // Check for errors
     if(counted_bars < 0)
     {
      return( -1 );
     }
   // Last bar will be recounted
     if(counted_bars > 0)
     {
      counted_bars--;
     }
   // Resize the non-buffer array if necessary
     if(ArraySize( CountBuf)!= ArraySize( PsychBuffer)) 
     {
      ArraySetAsSeries( CountBuf, false );
      ArrayResize( CountBuf, ArraySize( PsychBuffer));
      ArraySetAsSeries( CountBuf, true );
     }
   // Get the upper limit
   int limit=Bars - counted_bars;
     for( int ictr=0; ictr < limit; ictr++)
     {
      int Count=0;
      int endctr=ictr + 1 + PsychPeriod;
        for( int jctr=ictr + 1; jctr < endctr; jctr++)
        {
           if(Close[jctr] > Close[jctr + 1])
           {
            Count++;
           }
        }
        if(Close[ictr] > Close[ictr + 1])
        {
         Count++;
        }
        if(Close[ictr + PsychPeriod] > Close[ictr + PsychPeriod + 1])
        {
         Count--;
        }
      double dCount=Count;
      PsychBuffer[ictr] =(dCount/PsychPeriod)* 100.0;
     }
//----
   return( 0 );
  }
//+------------------------------------------------------------------+

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