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Initial commit: MQL5 Indicators Collection (MetaTrader 5) - Part 2

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ExtremPriceDistribution - indicator for MetaTrader 5/README.md
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# 🚀 Unlock the Power of Trading!
Welcome to this open-source trading project. Here you will find powerful tools to enhance your trading journey. If you find this project useful, please consider starring ⭐, sharing, or donating to support further development!
---
**Support the project:**
- Star this repository on GitHub
- Share it with your trading friends
- [Donate here](https://www.paypal.com/donate/?hosted_button_id=YOUR_BUTTON_ID) to help us grow!
---
## Files included:
### Source Files:
- `extrempricedistribution.mq5`
### Screenshots:
![Screenshot](picture__5.png)
> Made with ❤️ for the trading community.
ExtremPriceDistribution - indicator for MetaTrader 5/extrempricedistribution.mq5
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//+------------------------------------------------------------------+
//| ExtremPriceDistribution.mq5 |
//| Copyright © 2012, Khlystov Vladimir |
//| http://cmillion.narod.ru |
//+------------------------------------------------------------------+
//---- àâòîðñòâî èíäèêàòîðà
#property copyright "Copyright © 2012, cmillion@narod.ru"
//---- ññûëêà íà ñàéò àâòîðà
#property link "http://cmillion.narod.ru"
#property description "Èíäèêàòîð ïîêàçûâàåò ãèñòîãðàììó ðàñïðåäåëåíèÿ ýêñòåìàëüíûõ öåí çà ïåðèîä â áàðàõ îò òåêóùåãî"
//---- îòðèñîâêà èíäèêàòîðà â ãëàâíîì îêíå
#property indicator_chart_window
//---- äëÿ ðàñ÷¸òà èíäèêàòîðà èñïîëüçîâàíî äâà áóôåðà
#property indicator_buffers 2
//---- äëÿ ðàñ÷¸òà è îòðèñîâêè èíäèêàòîðà íå èñïîëüçóþòñÿ ãðàôè÷åñêèå ïîñòðîåíèÿ
#property indicator_plots 0
//+----------------------------------------------+
//| Âõîäíûå ïàðàìåòðû èíäèêàòîðà |
//+----------------------------------------------+
input string SirName="ExtremPriceDistribution"; //Ïåðâàÿ ÷àñòü èìåíè ãðàôè÷åñêèõ îáúåêòîâ
input uint iPeriod=3000; //ïåðèîä ðàñ÷¸òà
input int Shift=-300; //ñäâèã íà÷àëüíîãî óðîâíÿ îòðèñîâêè ãèñòîãðàììû
input double Dev=30.0; //ìàñøòàá îòðèñîâêè ãèñòîãðàììû
input color PrColor=clrLime; //öâåò êîëè÷åñòâà öåí
//+----------------------------------------------+
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ íà÷àëà îòñ÷åòà äàííûõ
int min_rates_total, iperiod;
//--- îáúÿâëåíèå öåëî÷èñëåííûõ ïåðåìåííûõ äëÿ õåíäëîâ èíäèêàòîðîâ
int Ind_Handle;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int OnInit()
{
//---- èíèöèàëèçàöèÿ ãëîáàëüíûõ ïåðåìåííûõ
min_rates_total=int(iPeriod);
iperiod=int(iPeriod);
//---- Óñòàíîâêà ôîðìàòà òî÷íîñòè îòîáðàæåíèÿ èíäèêàòîðà
IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
//---- èìÿ äëÿ îêîí äàííûõ è ëýéáà äëÿ ñóáúîêîí
string short_name="ExtremPriceDistribution";
IndicatorSetString(INDICATOR_SHORTNAME,short_name);
//--- çàâåðøåíèå èíèöèàëèçàöèè
return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
//----
ObjectsDeleteAll(0,SirName,-1,OBJ_TREND);
Comment("");
//----
ChartRedraw(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
const int prev_calculated,
const datetime &time[],
const double &open[],
const double &high[],
const double &low[],
const double &close[],
const long &tick_volume[],
const long &volume[],
const int &spread[])
{
//---- îáúÿâëåíèÿ ëîêàëüíûõ ïåðåìåííûõ
int to_copy,Pr,limit;
double max,min,P;
string txt,name;
//---- ðàñ÷¸òû íåîáõîäèìîãî êîëè÷åñòâà êîïèðóåìûõ äàííûõ è
//ñòàðòîâîãî íîìåðà limit äëÿ öèêëà ïåðåñ÷¸òà áàðîâ
if(prev_calculated>rates_total || prev_calculated<=0)// ïðîâåðêà íà ïåðâûé ñòàðò ðàñ÷¸òà èíäèêàòîðà
{
limit=rates_total-1;
}
else
{
limit=rates_total-prev_calculated;
}
if(!limit) return(rates_total);
to_copy=limit+1;
//---- èíäåêñàöèÿ ýëåìåíòîâ â ìàññèâàõ êàê â òàéìñåðèÿõ
ArraySetAsSeries(high,true);
ArraySetAsSeries(low,true);
ArraySetAsSeries(time,true);
//---- ñäâèãàåì îòðèñîâêó ãèñòîãðàììû ïî ãîðèçîíòàëè
datetime TimeSt = time[0]+PeriodSeconds()*Shift;
//----
max=high[ArrayMaximum(high,0,iperiod)];
min=low[ArrayMinimum(low,0,iperiod)];
iperiod=MathMin(iperiod,rates_total-1);
txt="";
StringConcatenate(txt,"Áàðîâ â èñòîðèè ",iperiod," ñ ",TimeToString(time[iperiod],TIME_DATE),
"\nÌàêñèìóì ",DoubleToString(max,_Digits),"\nÌèíèìóì ",DoubleToString(min,_Digits));
Comment(txt,"\n","Ñòàðò ðàñ÷åòà ",TimeToString(TimeCurrent(),TIME_DATE|TIME_SECONDS));
Pr=int((max-min)/_Point);
double Price[];
ArrayResize(Price,Pr);
ArrayInitialize(Price,0);
for(int bar=1; bar<=int(iperiod); bar++)
{
for(int kkk=0; kkk<Pr; kkk++)
{
P=NormalizeDouble(min+kkk*_Point,_Digits);
if(low[bar]==P || high[bar]==P) Price[kkk]++;
}
}
for(int rrr=0; rrr<Pr; rrr++)
{
P=NormalizeDouble(min+rrr*_Point,_Digits);
name="";
StringConcatenate(name,SirName," ",P);
SetTline(0,name,0,TimeSt,P,datetime(TimeSt+Price[rrr]*Dev*PeriodSeconds()),P,PrColor,0,3);
}
//----
ChartRedraw(0);
return(rates_total);
}
//+------------------------------------------------------------------+
//| Ñîçäàíèå òðåíäîâîé ëèíèè |
//+------------------------------------------------------------------+
void CreateTline(
long chart_id, // èäåíòèôèêàòîð ãðàôèêà
string name, // èìÿ îáúåêòà
int nwin, // èíäåêñ îêíà
datetime time1, // âðåìÿ 1 öåíîâîãî óðîâíÿ
double price1, // 1 öåíîâîé óðîâåíü
datetime time2, // âðåìÿ 2 öåíîâîãî óðîâíÿ
double price2, // 2 öåíîâîé óðîâåíü
color Color, // öâåò ëèíèè
int style, // ñòèëü ëèíèè
int width // òîëùèíà ëèíèè
)
//----
{
//----
ObjectCreate(chart_id,name,OBJ_TREND,nwin,time1,price1,time2,price2);
ObjectSetInteger(chart_id,name,OBJPROP_COLOR,Color);
ObjectSetInteger(chart_id,name,OBJPROP_STYLE,style);
ObjectSetInteger(chart_id,name,OBJPROP_WIDTH,width);
ObjectSetInteger(chart_id,name,OBJPROP_BACK,true);
ObjectSetInteger(chart_id,name,OBJPROP_RAY_RIGHT,false);
ObjectSetInteger(chart_id,name,OBJPROP_SELECTED,false);
ObjectSetInteger(chart_id,name,OBJPROP_SELECTABLE,false);
ObjectSetInteger(chart_id,name,OBJPROP_ZORDER,true);
//----
}
//+------------------------------------------------------------------+
//| Ïåðåóñòàíîâêà òðåíäîâîé ëèíèè |
//+------------------------------------------------------------------+
void SetTline(
long chart_id, // èäåíòèôèêàòîð ãðàôèêà
string name, // èìÿ îáúåêòà
int nwin, // èíäåêñ îêíà
datetime time1, // âðåìÿ 1 öåíîâîãî óðîâíÿ
double price1, // 1 öåíîâîé óðîâåíü
datetime time2, // âðåìÿ 2 öåíîâîãî óðîâíÿ
double price2, // 2 öåíîâîé óðîâåíü
color Color, // öâåò ëèíèè
int style, // ñòèëü ëèíèè
int width // òîëùèíà ëèíèè
)
//----
{
//----
if(ObjectFind(chart_id,name)==-1) CreateTline(chart_id,name,nwin,time1,price1,time2,price2,Color,style,width);
else
{
ObjectMove(chart_id,name,0,time1,price1);
ObjectMove(chart_id,name,1,time2,price2);
ObjectSetInteger(chart_id,name,OBJPROP_COLOR,Color);
ObjectSetInteger(chart_id,name,OBJPROP_STYLE,style);
ObjectSetInteger(chart_id,name,OBJPROP_WIDTH,width);
}
//----
}
//+------------------------------------------------------------------+
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