[amibroker] Re: Null seems to plot as zero

["Graham Johnson" <grahamj@xxxxxxxxxxxxxxxxxxxxx>]

Hi Tomasz

That works fine.

So, I am really baffled as to why there is a problem with my code 
that includes Iif.

Maybe I need to try an alternative approach - if I can think of one.

Graham

--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> 
wrote:
>
> Hello,
> 
> I don't know the rest of the code you are using, but this:
> Plot(IIf(MA(C,10)>C, C, Null), "label", colorGreen, styleThick); 
> 
> works just fine and zero is not included.
> 
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message ----- 
> From: "Graham Johnson" <grahamj@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Friday, December 12, 2008 1:02 AM
> Subject: [amibroker] Null seems to plot as zero
> 
> 
> > I'm trying to plot a variable that should only have positive 
values or 
> > null
> > 
> > The following line results in the Y axis including zero so all of 
the 
> > data is compressed at the top of the chart
> > Plot(IIf(xaInLongTrade, xaPlotValue, Null), xPlotLabel, 
colorGreen,
> > styleThick);
> > 
> > If the Iif is removed then the result is fine - the Y axis range 
fits 
> > the data
> > Plot(xaPlotValue, xPlotLabel, colorGreen, styleThick);
> > 
> > I've even tried setting any negatives or zeros to null prior to 
Plot 
> > but the results are still the same
> > xaPlotValue = IIf(xaPlotValue <= 0, Null, xaPlotValue);
> > 
> > The battle with this has gone on for over a week now, can anyone 
help 
> > please?
> > 
> > Graham
> > 
> > 
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------------------------------------

**** IMPORTANT ****
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