How to code? - page 282

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gilben:
I am looking for a solution to apply indicators algorithmics on array of prices.

in MQL4 some indicators has this function, such as: iCCIOnArray, iBandsOnArray...

But indicators such as ADX does not have such function.

Anyone have idea of how I may apply indicator calculation over pre-defined array (not from quotes server)?

[lang=pl]If you know how given indicator is calutaded you can make everything:)

Please explain more precisly what excactly you need

Cheers,

Grzesiek[/lang]

 

...

ADX uses what is called atrue range(Max(High,PreviousClose)-Min(Low,PreviousClose) and that is the basis of ADX calculation

Because of High, Low and Close values required it can not be applied to an array, In general, if you see that there is a price required, then the indicator should be applicable to an array. If there is no price parameter, then almost sure it can not be applied to an array (assuming that the indicator in the first place is operating on prices)

 
g.pociejewski:
[lang=pl]If you know how given indicator is calutaded you can make everything:)

Please explain more precisly what excactly you need

Cheers,

Grzesiek[/lang]

Thank you Grzesiek.

I was searching for good solution. eventually, the best resolution, is to to embed the indi code into the expert code.

anyway, unless anyone show me other way, I will apply it this way.

 

Do you have source file? *.ex4 file is compiled, so You dont have Access to source code.

Regards

 

request

mladen:
star821

Try this one out

________________________

Some explanations : I did not use the ones you posted but made these (indicator attached in your post has my name in it, but that version is not made by me, but that is not the only reason I did not use that indicator). ...

regards

Mladen

helo Mladen

is it posible to adapt the stc EA for a HMA color nrp-indi and High-low trend indi?...

i wrote a pseudo code (* can't code at all... *):

************************************************************

externals:

Lot#

period for the HMA

???.

.....................

repeat:

get the zigzag-dot color (bar close);

get the HMA trend color (bar close);

----------------------------------------------------------------

// open sell

if last zigzag-dot = blue && HMA trend = red -> open SELL ticket (only once per HMA trend color)

if couldn't open sell-> retry 3 times

if no success alert & email: couldn't open sell for symbol,TF, time;

else

// open buy

if last zigzag-dot =red && HMA trend = blue -> open BUY ticket (only once per HMA trend color)

if couldn't open buy-> retry 3 times

if no success alert & email: couldn't open buy for symbol,TF, time;

-------------------------------------------------------------------

if HMA trend ( red ) changes to blue -> close sell, wait 10 sec. ;

if HMA trend ( blue ) changes to red -> close buy, wait 10 sec.;

-------------------------------------------------------------------

close all trades on friday at 12:00h AM (GMT)...

****************************************************************

i know that there will be some loses but it doesn't bother me...

i don't want any SLs ...

regards

Cado

hma_color_nrp.ex4high_-_low_trend.mq4

 

ATR + MA & Bandwidth + MA

[lang=it]Hi, I need a custom indicator that, in a separate window, write atr and moving average calculate on it and same thing for bandwidth. I have made the code in mql4 and I have using the IMAONARRAY for calculate the MA, but the indicator don' t work..can anyone help me???

This is one of teo codes..

Thanks

#property indicator_separate_window

#property indicator_buffers 2

#property indicator_color1 Blue

#property indicator_color2 Red

//---- input parameters

extern int AtrPeriod=14;

//---- buffers

double AtrBuffer[];

double TempBuffer[];

double MaBuffer[];

//+------------------------------------------------------------------+

//| Custom indicator initialization function |

//+------------------------------------------------------------------+

int init()

{

string short_name;

//---- 1 additional buffer used for counting.

IndicatorBuffers(2);

//---- indicator line

SetIndexStyle(0,DRAW_LINE);

SetIndexBuffer(0,AtrBuffer);

SetIndexBuffer(1,TempBuffer);

SetIndexStyle(2,DRAW_LINE);

SetIndexBuffer(2,MaBuffer);

//---- name for DataWindow and indicator subwindow label

short_name="ATR("+AtrPeriod+")";

IndicatorShortName(short_name);

SetIndexLabel(0,short_name);

//----

SetIndexDrawBegin(0,AtrPeriod);

//----

return(0);

}

//+------------------------------------------------------------------+

//| Average True Range |

//+------------------------------------------------------------------+

int start()

{

int i,counted_bars=IndicatorCounted();

//----

if(Bars<=AtrPeriod) return(0);

//---- initial zero

if(counted_bars<1)

for(i=1;i<=AtrPeriod;i++) AtrBuffer=0.0;

//----

i=Bars-counted_bars-1;

while(i>=0)

{

double high=High;

double low =Low;

if(i==Bars-1) TempBuffer=high-low;

else

{

double prevclose=Close;

TempBuffer=MathMax(high,prevclose)-MathMin(low,prevclose);

}

i--;

}

//----

if(counted_bars>0) counted_bars--;

int limit=Bars-counted_bars;

for(i=0; i<limit; i++)

AtrBuffer=iMAOnArray(TempBuffer,Bars,AtrPeriod,0,MODE_SMA,i);

//----

double MyArray[];

if(counted_bars>0) counted_bars--;

limit=Bars-counted_bars;

ArrayResize( MyArray, limit);

ArraySetAsSeries(MyArray,true);

for(i=0; i<limit; i++)

{

MyArray = AtrBuffer;

}

for(i=0; i<limit; i++)

{

MaBuffer = iMAOnArray(MyArray,limit,10,0,MODE_SMA,i);

}

//----

return(0);

}

//+------------------------------------------------------------------+

[/lang]

 

...

Try it out now

k3rn3l:
[lang=it]Hi, I need a custom indicator that, in a separate window, write atr and moving average calculate on it and same thing for bandwidth. I have made the code in mql4 and I have using the IMAONARRAY for calculate the MA, but the indicator don' t work..can anyone help me???

This is one of teo codes..

Thanks

#property indicator_separate_window

#property indicator_buffers 2

#property indicator_color1 Blue

#property indicator_color2 Red

//---- input parameters

extern int AtrPeriod=14;

//---- buffers

double AtrBuffer[];

double TempBuffer[];

double MaBuffer[];

//+------------------------------------------------------------------+

//| Custom indicator initialization function |

//+------------------------------------------------------------------+

int init()

{

string short_name;

//---- 1 additional buffer used for counting.

IndicatorBuffers(2);

//---- indicator line

SetIndexStyle(0,DRAW_LINE);

SetIndexBuffer(0,AtrBuffer);

SetIndexBuffer(1,TempBuffer);

SetIndexStyle(2,DRAW_LINE);

SetIndexBuffer(2,MaBuffer);

//---- name for DataWindow and indicator subwindow label

short_name="ATR("+AtrPeriod+")";

IndicatorShortName(short_name);

SetIndexLabel(0,short_name);

//----

SetIndexDrawBegin(0,AtrPeriod);

//----

return(0);

}

//+------------------------------------------------------------------+

//| Average True Range |

//+------------------------------------------------------------------+

int start()

{

int i,counted_bars=IndicatorCounted();

//----

if(Bars<=AtrPeriod) return(0);

//---- initial zero

if(counted_bars<1)

for(i=1;i<=AtrPeriod;i++) AtrBuffer=0.0;

//----

i=Bars-counted_bars-1;

while(i>=0)

{

double high=High;

double low =Low;

if(i==Bars-1) TempBuffer=high-low;

else

{

double prevclose=Close;

TempBuffer=MathMax(high,prevclose)-MathMin(low,prevclose);

}

i--;

}

//----

if(counted_bars>0) counted_bars--;

int limit=Bars-counted_bars;

for(i=0; i<limit; i++)

AtrBuffer=iMAOnArray(TempBuffer,Bars,AtrPeriod,0,MODE_SMA,i);

//----

double MyArray[];

if(counted_bars>0) counted_bars--;

limit=Bars-counted_bars;

ArrayResize( MyArray, limit);

ArraySetAsSeries(MyArray,true);

for(i=0; i<limit; i++)

{

MyArray = AtrBuffer;

}

for(i=0; i<limit; i++)

{

MaBuffer = iMAOnArray(MyArray,limit,10,0,MODE_SMA,i);

}

//----

return(0);

}

//+------------------------------------------------------------------+
[/lang]
Files:
atr__ma.mq4  2 kb
 

[lang=tr]Hi Can Some one help me for to build this formula in metatrader code

(this is in metastock formula:)

Q1:=Input("PERIOD",1,1000,3);

Q2:=Input("PERIOD",0.001,100,1);

Q3:=Q2/100;

Q4:=Mov( Typical(),Q1,E) ;

Q5:=If((Q4*(1-Q3))>PREV,Q4*(1-Q3),If((Q4*(1+Q3))<PREV,Q4*(1+Q3),PREV));

Q5

[/lang]

 

...

Interesting one

The only thing you need to adjust for different time frames is the percent. 1% seems as a good choice for a 4 hour chart, but here is an example of a 15 minute chart with 0.5% instead of the default 1%

PS: I have no idea what the original name of it is, so named it as is

regards

mladen

cedid:
[lang=tr]Hi Can Some one help me for to build this formula in metatrader code

(this is in metastock formula:)

Q1:=Input("PERIOD",1,1000,3);

Q2:=Input("PERIOD",0.001,100,1);

Q3:=Q2/100;

Q4:=Mov( Typical(),Q1,E) ;

Q5:=If((Q4*(1-Q3))>PREV,Q4*(1-Q3),If((Q4*(1+Q3))<PREV,Q4*(1+Q3),PREV));

Q5

[/lang]
Files:
levels.gif  22 kb
percent_sr.mq4  2 kb
 
mladen:
Interesting one

The only thing you need to adjust for different time frames is the percent. 1% seems as a good choice for a 4 hour chart, but here is an example of a 15 minute chart with 0.5% instead of the default 1%

PS: I have no idea what the original name of it is, so named it as is

regards

mladen

[lang=tr]thank you mladen i will try it , i think it will work [/lang]

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