Normalized Volume.mq4

[Springfellow-Hawk]

Indic>1 en tendance
indic<1 flat , derive







//+------------------------------------------------------------------+
//| NormalizedVolume.mq4 |
//| Vadim Shumilov (DrShumiloff) |
//| shumiloff@mail.ru |
//+------------------------------------------------------------------+
#property copyright "Vadim Shumilov (DrShumiloff)"
#property link "shumiloff@mail.ru"
//----
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 LightSeaGreen

extern int VolumePeriod = 8;

double VolBuffer[];

int init()
{
string short_name;

IndicatorBuffers(1);
SetIndexBuffer(1, VolBuffer);
SetIndexStyle(0, DRAW_LINE);
SetIndexBuffer(0, VolBuffer);
SetIndexDrawBegin(0, VolBuffer);

short_name="Normalized Volume(" + VolumePeriod + ")";
IndicatorShortName(short_name);
SetIndexLabel(0, short_name);

return(0);
}

int start()
{
int counted_bars = IndicatorCounted();

if (counted_bars < 1)
for (int i = 1; i <= VolumePeriod; i++) VolBuffer[Bars-i] = 0.0;

int limit = Bars - counted_bars;
if (counted_bars > 0) limit++;

for(i = 0; i < limit; i++)
{
VolBuffer[i] = NormalizedVolume(i);
}

return(0);
}

double NormalizedVolume(int i)
{
double nv = 0;
for (int j = 0; j < VolumePeriod; j++) nv = nv + Volume[j];
nv = nv / VolumePeriod;
return (Volume[i] / nv);
}