/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| Volume with moving average |
//+------------------------------------------------------------------+
#property copyright "RonT"
#property link "http://www.lightpatch.com/"
#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Red
#property indicator_color2 Green
#property indicator_color3 White
//---- indicator parameters
extern int MA_Period=13;
//---- indicator buffers
double VolBuffer1[]; // value down
double VolBuffer2[]; // value up
double VolBuffer3[]; // moving average
//----
int ExtCountedBars=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
int draw_begin;
string short_name;
//---- indicator buffers mapping
SetIndexBuffer(0,VolBuffer1); // histo down red
SetIndexBuffer(1,VolBuffer2); // histo up green
SetIndexBuffer(2,VolBuffer3); // line white
//---- drawing settings
SetIndexStyle(0,DRAW_HISTOGRAM);
SetIndexStyle(1,DRAW_HISTOGRAM);
SetIndexStyle(2,DRAW_LINE);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS));
if(MA_Period<2) MA_Period=13;
draw_begin=MA_Period-1;
//---- indicator short name
short_name="SMA(";
IndicatorShortName(short_name+MA_Period+")");
SetIndexDrawBegin(0,draw_begin);
return(0);
}
//+------------------------------------------------------------------+
//| |
//+------------------------------------------------------------------+
int start()
{
if(Bars<=MA_Period) return(0);
ExtCountedBars=IndicatorCounted();
//---- check for possible errors
if (ExtCountedBars<0) return(-1);
//---- last counted bar will be recounted
if (ExtCountedBars>0) ExtCountedBars--;
//+------------------------------------------------------------------+
//| Simple Moving Average |
//+------------------------------------------------------------------+
double sum=0;
int i,pos=Bars-ExtCountedBars-1;
int lastcolor=0;
//---- initial accumulation
if(pos<MA_Period) pos=MA_Period;
for(i=1;i<MA_Period;i++,pos--)
sum+=Volume[pos];
//---- main calculation loop
// 1 - histo down red
// 2 - histo up green
// 3 - line white
while(pos>=0)
{
if (Volume[pos+1]>Volume[pos])
{
VolBuffer1[pos]=Volume[pos];
VolBuffer2[pos]=0;
lastcolor=Red;
}
if (Volume[pos+1]<Volume[pos])
{
VolBuffer1[pos]=0;
VolBuffer2[pos]=Volume[pos];
lastcolor=Green;
}
if (Volume[pos+1]==Volume[pos])
{
if ( lastcolor==Red )
{
VolBuffer1[pos]=Volume[pos];
VolBuffer2[pos]=0;
}
if ( lastcolor==Green )
{
VolBuffer1[pos]=0;
VolBuffer2[pos]=Volume[pos];
}
}
sum+=Volume[pos];
VolBuffer3[pos]=sum/MA_Period;
sum-=Volume[pos+MA_Period-1];
pos--;
}
//---- zero initial bars
if(ExtCountedBars<1)
for(i=1;i<MA_Period;i++) VolBuffer1[Bars-i]=0;
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains tick volumes of each bar
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Implements a curve of type DRAW_LINE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: