//+------------------------------------------------------------------+
//| 3shadeopen.mq4 |
//| Copyright © 2006, sx ted |
//| Purpose: shade New York or other sessions for chart time frames |
//| M1 to H4 (at a push). |
//| version: 2 - enhanced for speed but with MT4 beeing so fast no |
//| difference will be noticed, all the sessions are |
//| shaded in the init(), last session if it is current |
//| is widened in the start() in lieu of repainting all.|
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, sx ted"
#property link ""
#property indicator_chart_window
//---- input parameters
extern color ShadeColor=Gold;
/*
// if in Moscow
#define NY_OPEN_HH 17 // NY session open hour
#define NY_OPEN_MM 30 // NY session open minutes
#define NY_CLOSE_HH 00 // NY session close hour
#define NY_CLOSE_MM 05 // NY session close minutes
*/
/* if in London
#define NY_OPEN_HH 14 // NY session open hour
#define NY_OPEN_MM 30 // NY session open minutes
#define NY_CLOSE_HH 21 // NY session close hour
#define NY_CLOSE_MM 05 // NY session close minutes
*/
// if in New York
#define NY_OPEN_HH 06 // NY session open hour
#define NY_OPEN_MM 30 // NY session open minutes
#define NY_CLOSE_HH 13 // NY session close hour
#define NY_CLOSE_MM 05 // NY session close minutes
#define MAX_DAYS_TO_SHADE 5 // maximum number of days back from last chart date to be shaded
//---- global variables to program
string obj[]; //array of object names
int iPrevious=0, iStart=-1, iEnd;
double dLow, dHigh;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
if(Period()>PERIOD_H4) return(0); // no shading required
int iMaxBarsOnChart=iBars(NULL,0), i, iBarDay, iBarTime;
// find approximate start of first day to shade
int iBarsToDo=MathMin((MAX_DAYS_TO_SHADE*PERIOD_D1)/Period(),iMaxBarsOnChart);
// find start of first day to shade
for(i=iBarsToDo; i<iMaxBarsOnChart; i++)
{
iBarDay=TimeYear(Time[i])*PERIOD_MN1*12+TimeMonth(Time[i])*PERIOD_MN1+TimeDay(Time[i])*PERIOD_D1;
iBarTime=iBarDay+TimeHour(Time[i])*60+TimeMinute(Time[i]);
if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM) iStart=i;
else if(iStart>-1) break;
}
if(iStart>-1) iBarsToDo=iStart;
iStart=-1;
// shade previous sessions and current session if started
for(i=iBarsToDo; i>=0; i--)
{
iBarDay=TimeYear(Time[i])*PERIOD_MN1*12+TimeMonth(Time[i])*PERIOD_MN1+TimeDay(Time[i])*PERIOD_D1;
iBarTime=iBarDay+TimeHour(Time[i])*60+TimeMinute(Time[i]);
if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM)
{
if(iBarDay==iPrevious) // current NY session
{
dLow =MathMin(dLow, Low[i]);
dHigh=MathMax(dHigh, High[i]);
}
else // new NY session
{
dLow=Low[i];
dHigh=High[i];
iStart=i;
iPrevious=iBarDay;
}
iEnd=i;
}
else if(iStart>-1)
{
PaintRectangle();
iStart=-1;
}
}
if(iStart>-1) PaintRectangle(); // paint the last one if session not closed
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
int iaCount=ArraySize(obj);
for(int i=0; i<iaCount; i++)
{
if(ObjectFind(obj[i])>-1) ObjectDelete(obj[i]);
}
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int i=0, iBarDay, iBarTime;
iBarDay=TimeYear(Time[i])*PERIOD_MN1*12+TimeMonth(Time[i])*PERIOD_MN1+TimeDay(Time[i])*PERIOD_D1;
iBarTime=iBarDay+TimeHour(Time[i])*60+TimeMinute(Time[i]);
if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM)
{
if(iBarDay==iPrevious) // current NY session
{
dLow =MathMin(dLow, Low[i]);
dHigh=MathMax(dHigh, High[i]);
}
else // new NY session
{
dLow=Low[i];
dHigh=High[i];
iStart=i;
iPrevious=iBarDay;
}
iEnd=i;
PaintRectangle();
}
return(0);
}
//+------------------------------------------------------------------+
//| Paint rectangle |
//+------------------------------------------------------------------+
void PaintRectangle()
{
string sObj="ShadeNY_"+DoubleToStr(iPrevious, 0); // name for the object
if(ObjectFind(sObj)>-1)
{
// current session object found, so just widen it
ObjectSet(sObj,OBJPROP_PRICE1,dLow-Point);
ObjectSet(sObj,OBJPROP_TIME2 ,Time[iEnd]);
ObjectSet(sObj,OBJPROP_PRICE2,dHigh+Point);
}
else
{
// otherwise create new object for the session
int iaCount=ArraySize(obj);
ArrayResize(obj, iaCount+1);
obj[iaCount]=sObj;
ObjectCreate(sObj,OBJ_RECTANGLE,0,Time[iStart],dLow-Point,Time[iEnd],dHigh+Point);
ObjectSet(sObj,OBJPROP_COLOR,ShadeColor);
}
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Indicator Curves created:
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: