add arrow on ema cross

[sidra siddiqui]

any programmers add arrow ema cross up or down cross show arrow on chart

indicator is attach below

[William Roeder]

You haven't stated a problem, you stated a want. Show us your attempt (using the CODE button) and state the nature of your difficulty.
          No free help (2017)

Or pay someone. Top of every page is the link Freelance.
          Hiring to write script - General - MQL5 programming forum (2018)

We're not going to code it for you (although it could happen if you are lucky or the problem is interesting).
          No free help (2017)

[mntiwana]

sidra siddiqui:

any programmers add arrow ema cross up or down cross show arrow on chart

indicator is attach below

These are several MAs,which one to cross which or what,you asked round way,please try to explain well if you really want some one to help you

more preferably with some/any demonstrating picture

regards

[Lorentzos Roussos]

Its not tested so there maybe a million errors in it . 

#property version   "1.00"
#property strict
#property indicator_chart_window
#property indicator_buffers 7
#property indicator_plots   7
//--- plot Label1
#property indicator_label1  "SMA-1"
#property indicator_type1   DRAW_LINE
#property indicator_color1  clrYellow
#property indicator_style1  STYLE_SOLID
#property indicator_width1  1
//--- plot Label2
#property indicator_label2  "SMA-2"
#property indicator_type2   DRAW_LINE
#property indicator_color2  clrBlue
#property indicator_style2  STYLE_SOLID
#property indicator_width2  1
//--- plot Label3
#property indicator_label3  "SMA-3"
#property indicator_type3   DRAW_LINE
#property indicator_color3  clrRed
#property indicator_style3  STYLE_SOLID
#property indicator_width3  1
//--- plot Label4
#property indicator_label4  "SMA-4"
#property indicator_type4   DRAW_LINE
#property indicator_color4  clrRed
#property indicator_style4  STYLE_SOLID
#property indicator_width4  1
//--- plot Label5
#property indicator_label5  "SMA-5"
#property indicator_type5   DRAW_LINE
#property indicator_color5  clrGreen
#property indicator_style5  STYLE_SOLID
#property indicator_width5  1

input int fast_ma=1;//fast ma 1-5 (for trigger)
input int slow_ma=2;//slow ma 1-5 (for trigger)
input string notea="<->";//Moving Average 1
input ENUM_TIMEFRAMES         MA1_TFPeriod         = 0;                
input int                     MA1_Period           = 5;                
input int                     MA1_Shift            = 0;                
input ENUM_MA_METHOD          MA1_Method           = MODE_LWMA;        
input ENUM_APPLIED_PRICE      MA1_Applied_Price    = PRICE_CLOSE;  
input string noteb="<->";//Moving Average 2   
input ENUM_TIMEFRAMES         MA2_TFPeriod         = 0;                
input int                     MA2_Period           = 12;               
input int                     MA2_Shift            = 0;                
input ENUM_MA_METHOD          MA2_Method           = MODE_LWMA;        
input ENUM_APPLIED_PRICE      MA2_Applied_Price    = PRICE_CLOSE;     
input string notec="<->";//Moving Average 3                
input ENUM_TIMEFRAMES         MA3_TFPeriod         = 0;                
input int                     MA3_Period           = 18;              
input int                     MA3_Shift            = 0;                
input ENUM_MA_METHOD          MA3_Method           = MODE_EMA;         
input ENUM_APPLIED_PRICE      MA3_Applied_Price    = PRICE_CLOSE;      
input string noted="<->";//Moving Average 4               
input ENUM_TIMEFRAMES         MA4_TFPeriod         = 0;                
input int                     MA4_Period           = 28;               
input int                     MA4_Shift            = 0;                
input ENUM_MA_METHOD          MA4_Method           = MODE_EMA;         
input ENUM_APPLIED_PRICE      MA4_Applied_Price    = PRICE_CLOSE;   
input string notee="<->";//Moving Average 5   
input ENUM_TIMEFRAMES         MA5_TFPeriod         = 0;                
input int                     MA5_Period           = 50;              
input int                     MA5_Shift            = 0;               
input ENUM_MA_METHOD          MA5_Method           = MODE_SMA;      
input ENUM_APPLIED_PRICE      MA5_Applied_Price    = PRICE_CLOSE;     

//--- indicator buffers
double         MA1Buffer[];
double         MA2Buffer[];
double         MA3Buffer[];
double         MA4Buffer[];
double         MA5Buffer[];
double Up[],Down[];
int deflekt=0;
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void OnInit(void)
  {
   int    draw_begin1 = MA1_Period-1;
   int    draw_begin2 = MA2_Period-1;
   int    draw_begin3 = MA3_Period-1;
   int    draw_begin4 = MA4_Period-1;
   int    draw_begin5 = MA5_Period-1;
//---
   SetIndexBuffer(0,MA1Buffer);
   SetIndexBuffer(1,MA2Buffer);
   SetIndexBuffer(2,MA3Buffer);
   SetIndexBuffer(3,MA4Buffer);
   SetIndexBuffer(4,MA5Buffer);
   SetIndexBuffer(5,Up);
   SetIndexBuffer(6,Down);
//---
   for(int i=0; i<=4; i++)
      SetIndexShift(i,0);
//---
   SetIndexDrawBegin(0,draw_begin1);
   SetIndexDrawBegin(1,draw_begin2);
   SetIndexDrawBegin(2,draw_begin3);
   SetIndexDrawBegin(3,draw_begin4);
   SetIndexDrawBegin(4,draw_begin5);
   SetIndexStyle(5,DRAW_ARROW,STYLE_SOLID,2,clrDodgerBlue);
   SetIndexStyle(6,DRAW_ARROW,STYLE_SOLID,2,clrCrimson);
   SetIndexArrow(5,233);
   SetIndexArrow(6,234);
//---

   
   deflekt=MathMax(MA1_Period,MathMax(MA2_Period,MathMax(MA3_Period,MathMax(MA4_Period,MA5_Period))));
   
//---
   IndicatorDigits(Digits);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
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[])
  {
   int from=rates_total-prev_calculated-deflekt;
   if(from<0){from=0;}
//---
   for(int i=from; i>=0; i--)
     {
      if(MA1_Period!=0)
         MA1Buffer[i]=iMA(NULL,MA1_TFPeriod,MA1_Period,MA1_Shift,MA1_Method,MA1_Applied_Price,i);
      if(MA2_Period!=0)
         MA2Buffer[i]=iMA(NULL,MA2_TFPeriod,MA2_Period,MA2_Shift,MA2_Method,MA2_Applied_Price,i);
      if(MA3_Period!=0)
         MA3Buffer[i]=iMA(NULL,MA3_TFPeriod,MA3_Period,MA3_Shift,MA3_Method,MA3_Applied_Price,i);
      if(MA4_Period!=0)
         MA4Buffer[i]=iMA(NULL,MA4_TFPeriod,MA4_Period,MA4_Shift,MA4_Method,MA4_Applied_Price,i);
      if(MA5_Period!=0)
         MA5Buffer[i]=iMA(NULL,MA5_TFPeriod,MA5_Period,MA5_Shift,MA5_Method,MA5_Applied_Price,i);
      int signal=check_signal(MA1Buffer,MA2Buffer,MA3Buffer,MA4Buffer,MA5Buffer,fast_ma,slow_ma,i+1,3);
      if(signal==1){
      Up[i]=Low[i];
      }
      else if(signal==-1){
      Down[i]=High[i];
      }
     }
   return(rates_total);
  }
//+------------------------------------------------------------------+

int check_signal(double &ma1[],
                 double &ma2[],
                 double &ma3[],
                 double &ma4[],
                 double &ma5[],
                 int _fast_ma,
                 int _slow_ma,
                 int i,
                 int maxequals){
bool cross_above=false,cross_below=false;
if(_fast_ma==1){
if(_slow_ma==2){find_cross(ma1,ma2,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==3){find_cross(ma1,ma3,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==4){find_cross(ma1,ma4,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==5){find_cross(ma1,ma5,cross_above,cross_below,i,maxequals);}
}
else if(_fast_ma==2){
if(_slow_ma==1){find_cross(ma2,ma1,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==3){find_cross(ma2,ma3,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==4){find_cross(ma2,ma4,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==5){find_cross(ma2,ma5,cross_above,cross_below,i,maxequals);}
}
else if(_fast_ma==3){
if(_slow_ma==1){find_cross(ma3,ma1,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==2){find_cross(ma3,ma2,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==4){find_cross(ma3,ma4,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==5){find_cross(ma3,ma5,cross_above,cross_below,i,maxequals);}
}
else if(_fast_ma==4){
if(_slow_ma==1){find_cross(ma4,ma1,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==2){find_cross(ma4,ma2,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==3){find_cross(ma4,ma3,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==5){find_cross(ma4,ma5,cross_above,cross_below,i,maxequals);}
}
else if(_fast_ma==5){
if(_slow_ma==1){find_cross(ma5,ma1,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==2){find_cross(ma5,ma2,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==3){find_cross(ma5,ma3,cross_above,cross_below,i,maxequals);}
else if(_slow_ma==4){find_cross(ma5,ma4,cross_above,cross_below,i,maxequals);}
}
if(cross_above){return(1);}
else if(cross_below){return(-1);}
return(0);
}

bool find_cross(double &fast[],
                double &slow[],
                bool &is_cross_above,
                bool &is_cross_below,
                int i,int maxequals){
int errors=0;
  is_cross_above=false;
  is_cross_below=false;
//get now 
  double fastNow=fast[i];
  double slowNow=slow[i];
  fastNow=round_to_digits(fastNow,Digits);
  slowNow=round_to_digits(slowNow,Digits);
  //if fast is above slow we look for a recent breach up
    if(fastNow>slowNow){
    int equals=0;
    int nav=i+1;
    while(is_cross_above==false&&equals<=maxequals){
         double fastThen=fast[nav];
         double slowThen=slow[nav];
         fastThen=round_to_digits(fastThen,Digits);
         slowThen=round_to_digits(slowThen,Digits);
         if(fastThen==slowThen){equals++;nav++;}
         else if(fastThen<slowThen){
         is_cross_above=true;return(true);
         }else{return(true);//if still above , no interest
         }
         }
    }
  //else if slow is abvoe fast we look for a recent breach down 
    else if(fastNow<slowNow){
    int equals=0;
    int nav=i+1;
    while(is_cross_below==false&&equals<=maxequals){
         double fastThen=fast[nav];
         double slowThen=slow[nav];
         fastThen=round_to_digits(fastThen,Digits);
         slowThen=round_to_digits(slowThen,Digits);
         if(fastThen==slowThen){equals++;nav++;}
         else if(fastThen>slowThen){
         is_cross_below=true;return(true);
         }else{return(true);//if still below , no interest
         }
         } 
    }
    else if(fastNow==slowNow){return(true);}
return(false);
}
double round_to_digits(double value,int digits){
double result=MathRound((value)*(MathPow(10.0,((double)digits))));
result/=(MathPow(10.0,((double)digits)));
return(result);
}