//+------------------------------------------------------------------+
//| CandleSizeAlert.mq4 |
//| Copyright © 2008, Robert Hill |
//| |
//| Will send alert when a candle meets the size criteria entered |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Robert Hill"
#property indicator_chart_window
#property indicator_buffers 5
#property indicator_color1 LawnGreen
#property indicator_color2 Red
#property indicator_color3 Red
#property indicator_color4 Aqua
#property indicator_color5 Yellow
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2
#property indicator_width4 2
#property indicator_width5 2
extern bool SoundON=true;
extern bool EmailON=false;
extern int MAPeriod1=7;
extern int MAPeriod2=14;
extern int MAPeriod3=35;
extern string m = "--Moving Average Types--";
extern string m0 = " 0 = SMA";
extern string m1 = " 1 = EMA";
extern string m2 = " 2 = SMMA";
extern string m3 = " 3 = LWMA";
extern string m4 = " 4 = LSMA";
extern int MAType1=1;
extern int MAType2=1;
extern int MAType3=1;
extern string p = "--Applied Price Types--";
extern string p0 = " 0 = close";
extern string p1 = " 1 = open";
extern string p2 = " 2 = high";
extern string p3 = " 3 = low";
extern string p4 = " 4 = median(high+low)/2";
extern string p5 = " 5 = typical(high+low+close)/3";
extern string p6 = " 6 = weighted(high+low+close+close)/4";
extern int MAAppliedPrice1 = 0;
extern int MAAppliedPrice2 = 0;
extern int MAAppliedPrice3 = 0;
extern int MA_RangeLimit = 10;
extern int MaxBars = 300;
double CrossUp[];
double CrossDown[];
double Ma1[];
double Ma2[];
double Ma3[];
int flagval1 = 0;
int flagval2 = 0;
double myPoint;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
// IndicatorBuffers(5);
SetIndexStyle(0, DRAW_ARROW, EMPTY);
SetIndexArrow(0, 233);
SetIndexBuffer(0, CrossUp);
SetIndexStyle(1, DRAW_ARROW, EMPTY);
SetIndexArrow(1, 234);
SetIndexBuffer(1, CrossDown);
SetIndexStyle(2, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(2, Ma1);
SetIndexStyle(3, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(3, Ma2);
SetIndexStyle(4, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(4, Ma3);
myPoint = SetPoint(Symbol());
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {
int limit, i, counter;
double tmp=0;
double Range, AvgRange;
datetime tc;
int MA_RangeNow, MA_RangePrev;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=MaxBars;
for(i = 0; i <= limit; i++) {
counter=i;
Range=0;
AvgRange=0;
for (counter=i ;counter<=i+9;counter++)
{
AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
}
Range=AvgRange/10;
MA_RangeNow = GetMA_Range(i, true);
MA_RangePrev = GetMA_Range(i+1, false);
CrossUp[i] = 0;
CrossDown[i] = 0;
if (MA_RangeNow >= MA_RangeLimit && MA_RangePrev < MA_RangeLimit)
{
if (i == 1 && flagval1==0)
{
flagval1=1;
flagval2=0;
tc = TimeCurrent();
if (SoundON) Alert("Coming out of range","\n Date=",TimeToStr(tc,TIME_DATE)," ",TimeHour(tc),":",TimeMinute(tc),"\n Symbol=",Symbol()," Period=",Period());
if (EmailON) SendMail("Coming out of range"," Date="+TimeToStr(tc,TIME_DATE)+" "+TimeHour(tc)+":"+TimeMinute(tc)+" Symbol="+Symbol()+" Period="+Period());
}
CrossUp[i] = Low[i] - Range*0.75;
}
else if (MA_RangeNow <= MA_RangeLimit && MA_RangePrev > MA_RangeLimit)
{
if (i == 1 && flagval2==0)
{
flagval2=1;
flagval1=0;
tc = TimeCurrent();
if (SoundON) Alert("Going into range","\n Date=",TimeToStr(tc,TIME_DATE)," ",TimeHour(tc),":",TimeMinute(tc),"\n Symbol=",Symbol()," Period=",Period());
if (EmailON) SendMail("Going into range"," Date="+TimeToStr(tc,TIME_DATE)+" "+TimeHour(tc)+":"+TimeMinute(tc)+" Symbol="+Symbol()+" Period="+Period());
}
CrossDown[i] = High[i] + Range*0.75;
}
}
return(0);
}
double SetPoint(string mySymbol)
{
double mPoint, myDigits;
myDigits = MarketInfo (mySymbol, MODE_DIGITS);
if (myDigits < 4)
mPoint = 0.01;
else
mPoint = 0.0001;
return(mPoint);
}
double iLsma(int TimeFrame, int LSMAPeriod, int LSMAPrice,int shift)
{
double wt;
double ma1=iMA(NULL,TimeFrame,LSMAPeriod,0,MODE_SMA ,LSMAPrice,shift);
double ma2=iMA(NULL,TimeFrame,LSMAPeriod,0,MODE_LWMA,LSMAPrice,shift);
wt = MathFloor((3.0*ma2-2.0*ma1)/Point)*Point;
return(wt);
}
int GetMA_Range(int pos, bool ShowMAs)
{
double ma_1, ma_2, ma_3;
double max_ma, min_ma;
int MA_Dif;
switch (MAType1)
{
case 4 :
ma_1 = iLsma(0, MAPeriod1, MAAppliedPrice1,pos);
break;
default :
ma_1 = iMA(NULL,0,MAPeriod1,0,MAType1, MAAppliedPrice1,pos);
}
switch (MAType2)
{
case 4 :
ma_2 = iLsma(0, MAPeriod2, MAAppliedPrice2,pos);
break;
default :
ma_2 = iMA(NULL,0,MAPeriod2,0,MAType2, MAAppliedPrice2,pos);
}
switch (MAType3)
{
case 4 :
ma_3 = iLsma(0, MAPeriod3, MAAppliedPrice3,pos);
break;
default :
ma_3 = iMA(NULL,0,MAPeriod3,0,MAType3, MAAppliedPrice3,pos);
}
ma_1 = NormalizeDouble(ma_1, Digits);
ma_2 = NormalizeDouble(ma_2, Digits);
ma_3 = NormalizeDouble(ma_3, Digits);
if (ShowMAs)
{
Ma1[pos] = ma_1;
Ma2[pos] = ma_2;
Ma3[pos] = ma_3;
}
max_ma = ma_1;
if (ma_2 > max_ma) max_ma = ma_2;
if (ma_3 > max_ma) max_ma = ma_3;
min_ma = ma_1;
if (ma_2 < min_ma) min_ma = ma_2;
if (ma_3 < min_ma) min_ma = ma_3;
MA_Dif = (max_ma - min_ma) / myPoint;
return(MA_Dif);
}
Sample
Analysis
Market Information Used:
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It sends emails