//+------------------------------------------------------------------+
//| MTF WPR.mq4 |
//| Copyright © 2009, matfx |
//| http://www.forex-tsd.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2009, matfx"
#property link "http://www.forex-tsd.com"
#property indicator_separate_window
#property indicator_minimum -100
#property indicator_maximum 0
#property indicator_buffers 1
#property indicator_color1 DodgerBlue
#property indicator_level1 -20
#property indicator_level2 -80
//---- input parameters
extern int ExtWPRPeriod = 14;
//---- buffers
double ExtWPRMapBuffer[];
extern int TimeFrame=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicator line
SetIndexBuffer(0, ExtWPRMapBuffer);
SetIndexStyle(0, DRAW_LINE);
//---- name for DataWindow and indicator subwindow label
switch(TimeFrame)
{
case 1 : string TimeFrameStr="Period_M1"; break;
case 5 : TimeFrameStr="Period_M5"; break;
case 15 : TimeFrameStr="Period_M15"; break;
case 30 : TimeFrameStr="Period_M30"; break;
case 60 : TimeFrameStr="Period_H1"; break;
case 240 : TimeFrameStr="Period_H4"; break;
case 1440 : TimeFrameStr="Period_D1"; break;
case 10080 : TimeFrameStr="Period_W1"; break;
case 43200 : TimeFrameStr="Period_MN1"; break;
default : TimeFrameStr="Current Timeframe";
}
IndicatorShortName("MTF_WPR(" + ExtWPRPeriod + ")("+TimeFrameStr+")");
}
//----
return(0);
//+------------------------------------------------------------------+
//| MTF Williams' Percent Range |
//+------------------------------------------------------------------+
int start()
{
datetime TimeArray[];
int i,shift,limit,y=0,counted_bars=IndicatorCounted();
// Plot defined timeframe on to current timeframe
ArrayCopySeries(TimeArray,MODE_TIME,Symbol(),TimeFrame);
limit=Bars-counted_bars+TimeFrame/Period();
for(i=0,y=0;i<limit;i++)
{
if (Time[i]<TimeArray[y]) y++;
/***********************************************************
Add your main indicator loop below. You can reference an existing
indicator with its iName or iCustom.
Rule 1: Add extern inputs above for all neccesary values
Rule 2: Use 'TimeFrame' for the indicator timeframe
Rule 3: Use 'y' for the indicator's shift value
**********************************************************/
ExtWPRMapBuffer[i]=iCustom(NULL,TimeFrame,"WPR",0,y);
}
//
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Custom Indicators Used:
WPR
Order Management characteristics:
Other Features: