//+------------------------------------------------------------------+
//|                                                      OpenDay.mq4 |
//|                                              Copyright 2019, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2019, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"
#property strict
#property indicator_chart_window

input int days=7;
input color up=Red;
input color dn=Blue;
string pre="OpenDay";
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- indicator buffers mapping

//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   Comment("");
   DelObject(pre);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void DelObject(string name)
  {
   for(int i=ObjectsTotal()-1; i>=0; i--)
     {
      string s=ObjectName(0,i);
      if(StringFind(s,name)>=0)
         ObjectDelete(0,ObjectName(0,i));
     }
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void PutRect(string name,datetime t1,double p1,datetime t2,double p2,color clr)
  {
   ObjectDelete(0,name);
//--- создадим прямоугольник по заданным координатам
   ObjectCreate(0,name,OBJ_RECTANGLE,0,t1,p1,t2,p2);
//--- установим цвет прямоугольника
   ObjectSetInteger(0,name,OBJPROP_COLOR,clr);
//--- установим стиль линий прямоугольника
   ObjectSetInteger(0,name,OBJPROP_STYLE,0);
//--- установим толщину линий прямоугольника
   ObjectSetInteger(0,name,OBJPROP_WIDTH,3);
//--- включим (true) или отключим (false) режим заливки прямоугольника
   ObjectSetInteger(0,name,OBJPROP_FILL,false);
//--- отобразим на переднем (false) или заднем (true) плане
   ObjectSetInteger(0,name,OBJPROP_BACK,false);
  }
//+------------------------------------------------------------------+
//| 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[])
  {
//---
   for(int i=1; i<=days; i++)
     {
     double op=iOpen(NULL,PERIOD_D1,i);
     double op2=iOpen(NULL,PERIOD_D1,i+1);
     double cl=iClose(NULL,PERIOD_D1,i);
     
      if(cl>op)
         PutRect(pre+(string)i,iTime(NULL,PERIOD_D1,i),op,iTime(NULL,PERIOD_D1,i-1),cl,Blue);
      if(cl<op)
         PutRect(pre+(string)i,iTime(NULL,PERIOD_D1,i),op,iTime(NULL,PERIOD_D1,i-1),cl,Red);
     }

//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+

//+------------------------------------------------------------------+
//|                                                      LowPass.mq4 |
//|                                              Copyright 2021, AM2 |
//|                                      http://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2021, AM2"
#property link      "http://www.forexsystems.biz"
#property version   "1.00"
#property strict
#property indicator_chart_window

#property indicator_buffers 2

extern string IndName    = "low-pass-bands-sync-filters-mtf";

extern string TimeFrame       = "current time frame";
extern int    gFilterPeriod    = 30;
extern int    FilterPrice     = PRICE_CLOSE;
extern int    FilterType      = 0;
extern double FrequencyCutoff = 0.01;
extern bool   Causal          = false;
extern int    rangePeriod     = 5;
extern int    MaMethod        = 8;

double up[];
double dn[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- indicator buffers mapping
//--- indicator buffers mapping
   SetIndexStyle(0,DRAW_ARROW,0,1,Blue);
   SetIndexArrow(0,108);
   SetIndexBuffer(0,up);

   SetIndexStyle(1,DRAW_ARROW,0,1,Red);
   SetIndexArrow(1,108);
   SetIndexBuffer(1,dn);
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double Aq()
  {
   double pr=0;

   for(int i=0; i<111; i++)
     {
      double aq = iCustom(NULL,0,IndName,3,i);
      if(aq<1111)
        {
         pr=aq;
         break;
        }
     }
   return(pr);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double Mag()
  {
   double pr=0;

   for(int i=0; i<111; i++)
     {
      double mg = iCustom(NULL,0,IndName,4,i);
      if(mg<1111)
        {
         pr=mg;
         break;
        }
     }
   return(pr);
  }
//+------------------------------------------------------------------+
//| 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[])
  {
//---
   for(int i=0; i<111; i++)
     {
      up[i]=Aq();
      dn[i]=Mag();
     }
//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+