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" <grah...@petrie.starway.net.au>
To: <amibroker@yahoogroups.com>
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
>
>
> ------------------------------------
>
> **** IMPORTANT ****
> This group is for the discussion between users only.
> This is *NOT* technical support channel.
>
> *********************
> TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
> *********************
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
> *********************************
> Yahoo! Groups Links
>
>
>
