//+------------------------------------------------------------------+
//| sAccelerator.mq4 |
//| Copyright © 2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Black
#property indicator_color2 Green
#property indicator_color3 Red
//---- indicator buffers
double ExtBuffer0[];
double ExtBuffer1[];
double ExtBuffer2[];
double ExtBuffer3[];
double ExtBuffer4[];
// Íîìåð áàðà, ïî êîòîðîìó áóäåò èñêàòüñÿ ñèãíàë
#define SIGNAL_BAR 1
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- 2 additional buffers are used for counting.
IndicatorBuffers(5);
//---- drawing settings
SetIndexStyle(0, DRAW_NONE);
SetIndexStyle(1, DRAW_HISTOGRAM);
SetIndexStyle(2, DRAW_HISTOGRAM);
IndicatorDigits(Digits + 2);
SetIndexDrawBegin(0, 38);
SetIndexDrawBegin(1, 38);
SetIndexDrawBegin(2, 38);
//---- 4 indicator buffers mapping
SetIndexBuffer(0, ExtBuffer0);
SetIndexBuffer(1, ExtBuffer1);
SetIndexBuffer(2, ExtBuffer2);
SetIndexBuffer(3, ExtBuffer3);
SetIndexBuffer(4, ExtBuffer4);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("sAC");
SetIndexLabel(1, NULL);
SetIndexLabel(2, NULL);
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Accelerator/Decelerator Oscillator |
//+------------------------------------------------------------------+
int start()
{
int limit;
int counted_bars = IndicatorCounted();
double prev, current;
//---- last counted bar will be recounted
if(counted_bars > 0)
counted_bars--;
limit = Bars - counted_bars;
//---- macd counted in the 1-st additional buffer
for(int i = 0; i < limit; i++)
ExtBuffer3[i] = iMA(NULL, 0, 5, 0, MODE_SMA, PRICE_MEDIAN, i) -
iMA(NULL, 0, 34, 0, MODE_SMA, PRICE_MEDIAN, i);
//---- signal line counted in the 2-nd additional buffer
for(i = 0; i < limit; i++)
ExtBuffer4[i] = iMAOnArray(ExtBuffer3, Bars, 5, 0, MODE_SMA, i);
//---- dispatch values between 2 buffers
bool up = true;
for(i = limit - 1; i >= 0; i--)
{
current = ExtBuffer3[i] - ExtBuffer4[i];
prev = ExtBuffer3[i+1] - ExtBuffer4[i+1];
if(current > prev)
up = true;
if(current < prev)
up = false;
if(!up)
{
ExtBuffer2[i] = current;
ExtBuffer1[i] = 0.0;
}
else
{
ExtBuffer1[i] = current;
ExtBuffer2[i] = 0.0;
}
ExtBuffer0[i] = current;
}
//---- done
//---- Ñòàòè÷åñêèå ïåðåìåííûå, â êîòîðûõ õðàíÿòñÿ
//---- âðåìÿ ïîñëåäíåãî áàðà è íàïðàâëåíèå ïîñëåäíåãî ñèãíàëà
static int PrevSignal = 0, PrevTime = 0;
//---- Åñëè áàðîì äëÿ àíàëèçà âûáðàí íå 0-é, íàì íåò ñìûñëà ïðîâåðÿòü ñèãíàë
//---- íåñêîëüêî ðàç. Åñëè íå íà÷àëñÿ íîâûé áàð, âûõîäèì.
if(SIGNAL_BAR > 0 && Time[0] <= PrevTime )
return(0);
//---- Îòìå÷àåì, ÷òî ýòîò áàð ïðîâåðåí
PrevTime = Time[0];
//---- Åñëè ïðåäûäóùèé ñèãíàë áûë ÑÅËË èëè ýòî ïåðâûé çàïóñê (PrevSignal=0)
if(PrevSignal <= 0)
{
if(ExtBuffer0[SIGNAL_BAR] - ExtBuffer0[SIGNAL_BAR+1] > 0 &&
ExtBuffer0[SIGNAL_BAR+2] - ExtBuffer0[SIGNAL_BAR+1] > 0 )
{
PrevSignal = 1;
Alert("sAC (", Symbol(), ", ", Period(), ") - BUY!!!");
}
}
if(PrevSignal >= 0)
{
if(ExtBuffer0[SIGNAL_BAR+1] - ExtBuffer0[SIGNAL_BAR] > 0 &&
ExtBuffer0[SIGNAL_BAR+1] - ExtBuffer0[SIGNAL_BAR+2] > 0)
{
PrevSignal = -1;
Alert("sAC (", Symbol(), ", ", Period(), ") - SELL!!!");
}
}
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_NONE
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen