Re: [amibroker] Basics

["john gibb" <jgibb1@xxxxxxxxxxxxx>]

Hi Herbert,

Apparently,the coordinates can't be an arrays. So you need to use LastValue
around them; something like:

    OOHi=LastValue(1.1*H);
    y0=OOHi; /* OOHi is 1.1*High say */
    y1=LastValue(Ref(OOHi,-1));
    x0=BarCount-1;
    x1=BarCount-1;
    HiZone=LineArray(x0,y0,x1,y1,0,0); /* "Bad arguments" error gone. */
    Plot(HiZone," ",colorBlue);

BTW, the Help file says x0 must be smaller than x1 although, for some
reason, you don't get an error here, despite their equivalency.

Regarding your 'what is difference' question, there is NO numeric difference
between the two as evidenced when you use code something like this in
Indicator Builder:

    Title="Diff Between= "+WriteVal(LastValue(H)-H[BarCount-1],1.2);

However, I have heard a rumor that BarCount is designed only for use in FOR
loops.

-john

----- Original Message ----- 
From: "hertyil" <herty@xxxxxxxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, April 12, 2004 9:21 AM
Subject: [amibroker] Basics


Hi,

My thanks to who'll pull me out of these.
I'm trying to plot a vertical line between y0 and y1. Where is the
mistake ?

y0=OOHi;    /* OOHi is 1.1*High say */
y1=Ref(OOHi,-1);
x0=BarCount-1;
x1=BarCount-1;

HiZone=LineArray(x0,y0,x1,y1,0,0); /* I get a "Bad arguments" error
here.  */
Plot(HiZone," ",colorBlue);

And also what's the difference between these two:
Lastvalue(x) and x[barcount-1]?

Herbert




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