//+------------------------------------------------------------------+
//| Nina_StepMA_1.mq4 |
//+------------------------------------------------------------------+
#property indicator_separate_window
#property indicator_buffers 4
#property indicator_color1 Yellow
#property indicator_color2 Aqua
#property indicator_color3 Blue
#property indicator_color4 Red
#property indicator_minimum 0
#property indicator_maximum 1
//----input parameters
extern int PeriodWATR=14;
extern double Kwatr=0.75;
extern int HighLow=0;
extern int CalculatedBars = 500;
extern bool alert_ON=true; // ON=true, OFF=false
//---- indicator buffers
double LineMinBuffer[];
double LineMidBuffer[];
double LineBuyBuffer[];
double LineSellBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
IndicatorBuffers(4);
//---- indicator line
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,1);
SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,1);
SetIndexStyle(2,DRAW_ARROW,STYLE_SOLID,2);
SetIndexStyle(3,DRAW_ARROW,STYLE_SOLID,2);
SetIndexEmptyValue(2,0);
SetIndexArrow(2,233);
SetIndexEmptyValue(3,0);
SetIndexArrow(3,234);
SetIndexBuffer(0,LineMinBuffer);
SetIndexBuffer(1,LineMidBuffer);
SetIndexBuffer(2,LineBuyBuffer);
SetIndexBuffer(3,LineSellBuffer);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS));
//---- name for DataWindow and indicator subwindow label
short_name="StepMA_Email("+PeriodWATR+","+Kwatr+","+HighLow+")";
IndicatorShortName(short_name);
//----
SetIndexDrawBegin(0,PeriodWATR);
SetIndexDrawBegin(1,PeriodWATR);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int i,shift,TrendMin,TrendMax,TrendMid;
double SminMin0,SmaxMin0,SminMin1,SmaxMin1,SumRange,dK,WATR0,WATRmax,WATRmin,WATRmid;
double SminMax0,SmaxMax0,SminMax1,SmaxMax1,SminMid0,SmaxMid0,SminMid1,SmaxMid1;
double linemin,linemax,linemid,Stoch1,Stoch2,bsmin,bsmax;
static bool turn_alarm = true;
int StepSizeMin,StepSizeMax,StepSizeMid;
double min,max,mid,h,l,c;
int position_ind0=0, position_ind1=0;
// position_ind0 = -1, below
// = 1, up
ArrayInitialize(LineBuyBuffer,0);
ArrayInitialize(LineSellBuffer,0);
if(CalculatedBars>Bars || CalculatedBars == 0 ) CalculatedBars = Bars;
for(shift=CalculatedBars-1;shift>=0;shift--){
SumRange=0;
for (i=PeriodWATR-1;i>=0;i--){
dK = 1+1.0*(PeriodWATR-i)/PeriodWATR;
SumRange+= dK*MathAbs(High[i+shift]-Low[i+shift]);
}
WATR0 = SumRange/PeriodWATR;
WATRmax=MathMax(WATR0,WATRmax);
if (shift==CalculatedBars-1-PeriodWATR) WATRmin=WATR0;
WATRmin=MathMin(WATR0,WATRmin);
StepSizeMin=MathRound(Kwatr*WATRmin/Point);
StepSizeMax=MathRound(Kwatr*WATRmax/Point);
StepSizeMid=MathRound(Kwatr*0.5*(WATRmax+WATRmin)/Point);
min = Kwatr*WATRmin;
max = Kwatr*WATRmax;
mid = Kwatr*0.5*(WATRmax+WATRmin);
//b = iBarShift(Symbol(),tPeriod,Time[shift]);
c = Close[shift];//iClose(Symbol(),tPeriod,b);
h = High[shift];//iHigh(Symbol(),tPeriod,b)
l = Low[shift];//iLow(Symbol(),tPeriod,b)
if (HighLow>0){
SmaxMin0=l+2*min;
SminMin0=h-2*min;
SmaxMax0=l+2*max;
SminMax0=h-2*max;
SmaxMid0=l+2*mid;
SminMid0=h-2*mid;
if(c>SmaxMin1) TrendMin=1;
if(c<SminMin1) TrendMin=-1;
if(c>SmaxMax1) TrendMax=1;
if(c<SminMax1) TrendMax=-1;
if(c>SmaxMid1) TrendMid=1;
if(c<SminMid1) TrendMid=-1;
}
if (HighLow == 0){
SmaxMin0=c+2*min;
SminMin0=c-2*min;
SmaxMax0=c+2*max;
SminMax0=c-2*max;
SmaxMid0=c+2*mid;
SminMid0=c-2*mid;
if(c>SmaxMin1) TrendMin=1;
if(c<SminMin1) TrendMin=-1;
if(c>SmaxMax1) TrendMax=1;
if(c<SminMax1) TrendMax=-1;
if(c>SmaxMid1) TrendMid=1;
if(c<SminMid1) TrendMid=-1;
}
if(TrendMin>0 && SminMin0<SminMin1) SminMin0=SminMin1;
if(TrendMin<0 && SmaxMin0>SmaxMin1) SmaxMin0=SmaxMin1;
if(TrendMax>0 && SminMax0<SminMax1) SminMax0=SminMax1;
if(TrendMax<0 && SmaxMax0>SmaxMax1) SmaxMax0=SmaxMax1;
if(TrendMid>0 && SminMid0<SminMid1) SminMid0=SminMid1;
if(TrendMid<0 && SmaxMid0>SmaxMid1) SmaxMid0=SmaxMid1;
if (TrendMin>0) linemin=SminMin0+min;
if (TrendMin<0) linemin=SmaxMin0-min;
if (TrendMax>0) linemax=SminMax0+max;
if (TrendMax<0) linemax=SmaxMax0-max;
if (TrendMid>0) linemid=SminMid0+mid;
if (TrendMid<0) linemid=SmaxMid0-mid;
bsmin=linemax-max;
bsmax=linemax+max;
Stoch1=(linemin-bsmin)/(bsmax-bsmin);
Stoch2=(linemid-bsmin)/(bsmax-bsmin);
LineMinBuffer[shift]=Stoch1;
LineMidBuffer[shift]=Stoch2;
SminMin1=SminMin0;
SmaxMin1=SmaxMin0;
SminMax1=SminMax0;
SmaxMax1=SmaxMax0;
SminMid1=SminMid0;
SmaxMid1=SmaxMid0;
// don't do anything for current bar since it is keeping changing.
if(shift != 0) {
position_ind0 = position_ind1;
if(LineMinBuffer[shift]>LineMidBuffer[shift]){
position_ind1=1;
}
else {
position_ind1=-1;
}
// current bar is keeping on changing
// so don't put arrow on it
// that means we only set on signal for confirmed bar
if((position_ind0==-1) && (position_ind1==1)) {
// cross up
LineBuyBuffer[shift] = LineMidBuffer[shift];
}
if((position_ind0==1) && (position_ind1==-1)) {
// cross down
LineSellBuffer[shift] = LineMidBuffer[shift];
}
}
}
if(Volume[0]>1) return(0);
// for the current crossing, make the sound
// still have problem for this mechanism, leave it for later modification
if(alert_ON) {
if(position_ind0*position_ind1<0) { // time for alarm
SendMail("StepMA "+Period()+"minutes sur ",Symbol());
PlaySound("Alertalert.wav");
turn_alarm=false;
}
}
return(0);
}
//+------------------------------------------------------------------+
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
Series array that contains close prices for each bar
Series array that contains tick volumes of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Implements a curve of type DRAW_ARROW
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It sends emails
It plays sound alerts