3shadeopen

//+------------------------------------------------------------------+
//| 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);
}
}
//+------------------------------------------------------------------+

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3shadeopen.zip

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awcyj · 发表于 2020-4-12 22:08:46

过来看看的

相依爲命 · 发表于 2020-6-16 19:57:17

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飞火流星 · 发表于 2020-6-24 19:39:33

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故乡 · 发表于 2020-7-11 10:00:47

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淡定哥 · 发表于 2020-7-15 17:34:40

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赵四 · 发表于 2020-7-18 21:20:19

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btclyb85 · 发表于 2020-7-31 14:03:48

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