[amibroker] Re: (SOLVED) Problem with multiple timeframe plots?

["bilbo0211" <wjdandreta@xxxxxxxxxx>]

I submitted this problem to support and here is the answer:

--------------------------------------------------------------
"Well, actually - you can't use PRICE FIELD fucntion in the formula,
but you need to refer to the actual arrays (OHLC,V,OI) as only these
arrays are compressed if you use TimeFrameSet(). So - replace:
 
P = ParamField("Price field",-1);
 
with
 
P = Close;
 
For more universal approach (that would work with any custom array)
you would need to compress individual arrays with timeFrameCompress()
function.
http://www.amibroker.com/f?timeframecompress";
--------------------------------------------------
--- In amibroker@xxxxxxxxxxxxxxx, "bilbo0211" <wjdandreta@xxx> wrote:
>
> I am trying to plot a daily, weekly and monthly indicator (like
> Bollinger Bands) on one chart e.g., daily.
> 
> Sample code:
> 
> TimeFrameSet( inWeekly );
> 
> P = ParamField("Price field",-1);
> Periods = Param("Periods", 15, 2, 100, 1 );
> Width = Param("Width", 2, 0, 10, 0.05 );
> Color = ParamColor("Color", colorCycle );
> Style = ParamStyle("Style");
> Plot( TimeFrameExpand(BBandTop( P, Periods, Width ),inWeekly),
> "wBBTop" + _PARAM_VALUES(), Color, Style ); 
> Plot( TimeFrameExpand(BBandBot( P, Periods, Width ),inWeekly),
> "wBBBot" + _PARAM_VALUES(), Color, Style );
> 
> This plots something on the daily chart but it is clearly not the
> weekly BB I see on the weekly chart!
> 
> Any suggestions on how to achieve my objective?
> 
> Bill
>



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