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--- Alan <firehorse888uk@xxxxxxxxxxx> wrote:
> Hi,
> [Top of message deleted]
> >>>>>>
> >>>>>>P = ParamField("Price field",-1);
> >>>>>>EMA1Per = Param("EMA1 Period", 02, 2, 1000, 1, 10 );
> >>>>>>EMA2Per = Param("EMA2 Period", 28, 2, 1000, 1, 10 );
> >>>>>>EMA1Col = ParamColor( "EMA1 Colour", colorRed);
> >>>>>>EMA2Col = ParamColor( "EMA2 Colour", colorBlue);
> >>>>>>
> >>>>>>Timeframe = inDaily;
> >>>>>>
> >>>>>>TimeFrameSet(Timeframe );
> >>>>>>EMA_Line1 = EMA( P, EMA1Per );
> >>>>>>EMA_Line2 = EMA( P, EMA2Per );
> >>>>>>TimeFrameRestore();
> >>>>>>
> >>>>>>EMALine1= TimeFrameExpand(EMA_Line1, Timeframe );
> >>>>>>EMALine2= TimeFrameExpand(EMA_Line2, Timeframe );
> >>>>>>
> >>>>>>AddColumn(EMALine1,"EMA1",1.4);
> >>>>>>AddColumn(EMALine2,"EMA2",1.4);
> >>>>>>
> >>>>>>Plot( EMALine1 + 0.0000, "EMA1", EMA1Col,styleNoRescale);
> >>>>>>Plot( EMALine2 + 0.0000, "EMA2", EMA2Col,styleNoRescale);
> >>>>>>
> >>>>>>Filter=1;
> >>>>>>
One problem that you have is that the TimeFrameSet function
replaces current price/volume arrays (i.e. O, H, L, C etc) and not
any variable ("P" in your case) that may contain the values of price/volume.
You will need to convert "P" to the new timeframe, so something like
this should work:
TimeFrameSet(Timeframe );
P_TF = TimeFrameCompress( P, Timeframe );
EMA_Line1 = EMA( P_TF, EMA1Per );
EMA_Line2 = EMA( P_TF, EMA2Per );
TimeFrameRestore();
J
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