HELP : Scanner

#1
First Post: Jun 16, 2008 12:25am Jun 16, 2008 12:25am

supermagix
| Joined May 2008 | Status: Trader | 16 Posts

Hi all,
who helps me?
I have a question: I have created this scanner that plays at the end of the formation doji, but it also plays the same alarm in the following candle.
Who tells me where it is wrong?
I would want that it played an only time at the end of the doji and enough, without repeating.
I thank who helps me.
Antonio (Italy)

#property indicator_separate_window
string ver="SCANNER DOJI ";
//---- input parameters
extern bool UseAlert = 1;//*****

// -----------DICHIARAZIONE VARIABILI GENERICHE--------------------------
double alertBar;//*****
bool alertdoji=False;
bool flgrs;
string nome_fin; //nome finestra
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//----
nome_fin=StringConcatenate(" (",ver,")");
IndicatorShortName(nome_fin);//nome separate window
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
//###############################################################################################
// ----------------------------
if (
Close[1] == Open[1]&& //DOJI
flgrs==0)
{
alertdoji = 1;
flgrs=1;
}
else
{
flgrs=0;
}
//*****************ALERT****************
if (UseAlert==1 && Bars>alertBar && alertdoji==1)
{
Alert(Symbol(), " DOJI " );
alertBar=Bars;
alertdoji=0;
}
return(0);
}
//+------------------------------------------------------------------+

#2
Jun 16, 2008 3:17am Jun 16, 2008 3:17am

Siro
| Joined Oct 2006 | Status: Scalper/Programmer | 30 Posts

Inserted Code

#property indicator_chart_window
string ver="SCANNER DOJI ";
//---- input parameters
extern bool UseAlert = 1;//*****

// -----------DICHIARAZIONE VARIABILI GENERICHE--------------------------
string nome_fin; //nome finestra
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//----
nome_fin=StringConcatenate(" (",ver,")");
IndicatorShortName(nome_fin);//nome separate window
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
   int counted_bars=IndicatorCounted();
   // ----------------------------
   if(NewBar())
   {
      if (Close[1] == Open[1] && UseAlert==1)
      {
         Alert(Symbol(), " DOJI " );
      }
   }
   return(0);
}
//+-------

bool NewBar()
{
   static datetime dt = 0;
   if (Time[0] != dt){
      dt = Time[0];
      return(true);
   }
   return(false);
}

just keep it simple

#3
Jun 16, 2008 6:35am Jun 16, 2008 6:35am

supermagix
| Joined May 2008 | Status: Trader | 16 Posts

Hi Siro,
thanks to have helped work well me everything.I ask you a question: if I want to add other formations of candles to seek in that part of the program I should add if had to for example seek a hammer?
I thank a lot you for your patience.

Antonio (italy)

#4
Jun 16, 2008 10:08am Jun 16, 2008 10:08am

Siro
| Joined Oct 2006 | Status: Scalper/Programmer | 30 Posts

Inserted Code

#property indicator_chart_window
string ver="SCANNER DOJI ";
//---- input parameters
extern bool UseAlert = 1;//*****

// -----------DICHIARAZIONE VARIABILI GENERICHE--------------------------
string nome_fin; //nome finestra
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//----
nome_fin=StringConcatenate(" (",ver,")");
IndicatorShortName(nome_fin);//nome separate window
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
   int counted_bars=IndicatorCounted();
   // ----------------------------
   if(NewBar())
   {
      if (Close[1] == Open[1] && UseAlert==1)
      {
         Alert(Symbol(), " DOJI " );
      }
      else if (UseAlert==1 && Hammer()==true)
      {
         Alert(Symbol(), " HAMMER " );
      }
   }
   return(0);
}
//+-------

bool NewBar()
{
   static datetime dt = 0;
   if (Time[0] != dt){
      dt = Time[0];
      return(true);
   }
   return(false);
}
bool Hammer()
{
   double upper,lower;
   if(Open[1]>Close[1])
   {
      upper=Open[1];
      lower=Close[1];
   }
   else
   {
      upper=Close[1];
      lower=Open[1];
   }
   if(upper-lower<=(High[1]-Low[1])*0.25)  //this means that the candle has small body
      if(High[1]-upper <= (lower-Low[1]*0.5))  //this means that the upper wick is a lot smaller than the lower wick
         return (true);
   return(false);
}

i wrote a function to the hammer identification because it's harder to define than the doji.
the hammer definition is just a simple idea, rewrite it if you want.

#5
Last Post: Jun 16, 2008 12:15pm Jun 16, 2008 12:15pm

supermagix
| Joined May 2008 | Status: Trader | 16 Posts

hi Siro,
thanks you for your availability and clarity....I will develop the scanner on the base of your information.
Thanks.
If I will need some other suggestion......

Thanks.
Antonio (Italy)

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