Wayne:
Your numBars is "backwards" and needs to subtract
Begin from End otherwise you have a negative number. Also, the only place
that you need LastValue is in the HighValue line. So this should
work:
numBars = (end - begin + 1);
highValue = LastValue(C,
numBars);
testValue = .9 * highValue;
----- Original Message -----
From: "wlandry01" <[EMAIL PROTECTED]>
Sent: Tuesday, August 29, 2006 9:19
AM
Subject: [amibroker] Need Help With
FirstVisibleBarIndex
> Hi,
>
> I'm trying to set up an indicator that will calculate the HHV for the
> current chart so that I can do a PlotGrid at 90% of that highest value
> shown on the chart. I thought the following would do this:
>
> //Calculate the Number of Bars Shown on the Current Chart
> Begin=Status("firstvisiblebarindex");
> End=Status("lastvisiblebarindex");
> NumBars=LastValue(Begin-End+1);
>
> //Determine the HHV of the Chart and Calculate 90% of that Value
> HighValue=HHV(C,NumBars);
> TestValue=0.9*LastValue(HighValue);
>
> //Plot the Result
> PlotGrid(TestValue,ColorDarkRed);
>
> It appears, however, that the "Begin" and "End" values are not
> returning the index values associated with the chart. As far as I can
> tell, I'm getting "1" for all values. I can't for the life of me
> understand what the problem might be.
>
> Any help would be greatly appreciated.
>
>
> Wayne
>
>
>
>
>
>
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