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Hi Sam and Bob,
What's the difference between BarNumber and @BarNumber ?
I tried to find @BarNumber in the Power Editor Help, but it's not listed.
Thanks,
Philippe
----- Original Message -----
From: Vista-Research <SKTennis@xxxxxxxxxxxxxxxxxx>
To: Bob Fulks <bfulks@xxxxxxxxxxxx>; <omega-list@xxxxxxxxxx>
Sent: Monday, May 10, 1999 5:21 PM
Subject: Re: CurrentBar vs. BarNumber
> Bob,
>
> Thank you for the question. This is a rather sticky topic that deserves a
> good explanation.
>
> The @CurrentBar and @BarNumber KeyWords (OK, they are functions) are to
> all appearances identical. The difference is that @BarNumber is a series
> function, meaning that it can be de-referenced with a StudyBar value.
>
> The statement
>
> Value1 = @CurrentBar of one bar ago ;
>
> will not verify while the statement :
>
> Value1 = @BarNumber of one bar ago ;
>
> is perfectly valid. Examining functions like @HighestBar, @MRO and
> @SwingHighBar will help you to understand this difference. Assume you
make
> a call like :
>
> Value2 = @HighestBar (High, 05) [01] ;
>
> I want the number of bars ago of the highest bar of the last five bars
> starting one bar ago... Let us assume that @CurrentBar is one hundred
> (100) and @FastHighestBar returned a value of four (4).
>
> > HighestBar = FastHighestBar (Price, Length) + CurrentBar - BarNumber ;
>
> Well, the @FastHighestBar function has already been back adjusted by the
> study bar modifier ("[01]") of the @HighestBar function. Somehow we need
> to return to the user a value of five (4 + 1) to include the StudyBar
> reference. Remember, @BarNumber is going to has been backed up one bar
and
> is now equal to ninety nine (99).
>
> @CurrentBar - @BarNumber = 100 - 99 = 1
>
> We add the value one (1) from our equation above to the four (4) from the
> @FastHighestBar function and get the correct value of five (5).
>
> I hope this answers your question. In general, always use @BarNumber
> inside a User Function unless you have a very good reason not to!
>
> Samuel
>
> At 06:43 AM 05/10/99 , you wrote:
> >Hi Sam:
> >
> >What is the difference between CurrentBar and BarNumber?
> >
> >I have never seen any.
> >
> >But I just noticed a version of the HighestBar function that is just:
> >
> > HighestBar = FastHighestBar(Price, Length) + CurrentBar - BarNumber;
> >
> >I understand the FastHighestBar function but do not understand what the
> other terms accomplish.
> >
> >Thanks.
> >Bob
>
>
> Samuel K. Tennis Vista Research
> 129 Staff Drive voice: 1(850) 243-5105
> Ft. Walton Beach, FL 32548 fax: 1(850) 301-2884
> <MailTo:skt@xxxxxxxxxxxxxxxxxx> <http://www.vista-research.com/>
> ***** EasyLanguage Spoken Here *****
>
>
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