[amibroker] Re: How do I get current bar index as a scaler?

["Mike" <sfclimbers@xxxxxxxxx>]

Thanks for all the replies. You have confirmed what I expected. I'm 
already doing looping.

I was just hoping someone might have a neat little trick, so as to 
keep the code easier to maintain.

No problem. I'll keep the looping.

Mike

--- In amibroker@xxxxxxxxxxxxxxx, "gp_sydney" <gp.investment@xxx> 
wrote:
>
> Mike,
> 
> Array maths works on whole arrays at a time, so there's no such 
thing
> as a current index scalar, and there's no concept of "at any bar".
> You're always doing every bar. To do things bar by bar, you need to
> use a loop.
> 
> However, you can make an array of current indices and use that in
> array functions:
> 
> ix = Cum(1)-1;
> 
> In this case, "ix" is an array containing the sequence zero to
> BarCount-1. You can use that anywhere an array can be used, but not 
as
> an index to another array (you can't index one array with another).
> 
> Regards,
> GP
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@> wrote:
> >
> > Herman,
> > 
> > Thank you for your reply.
> > 
> > Unfortunatley, that doesn't quite capture what I was hoping for. 
If I 
> > understand correctly, the bar index used by SelectedValue is 
fixed 
> > during backtesting, and stays fixed until the next user 
intervention 
> > during charting (i.e. until selection of a different bar).
> > 
> > I was hoping for an easy way to programatically get the current 
bar 
> > index on a bar by bar basis, regardless of whether I'm charting 
or 
> > backtesting, and without user intervention.
> > 
> > Basically, I want a "getCurrentBarIndex()" function that returns 
a 
> > Number such that for any array at any bar I could write
> > 
> >   MyScaler = MyArray[getCurrentBarIndex()];
> > 
> > Thanks,
> > 
> > Mike
> >
>



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