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Graham,
No, its not in the PortValue statement. I succesfully plotted it
without trying the styleownscale functionality. Having been
succesful, I was trying to shrink the plot to the bottom half of the
screen to make room for an extensive Title statement.
For some reason, it doesn't like the HighestSince, LowestSince, HHV,
LLV functions used to define MinVal and MaxVal.
When I put in:
BarRange = LVB - FVB +1;
MinVal = 0.8 * LastValue(LLV(PortValue,BarRange));
MaxVal = 1.5*LastValue(HHV(PortValue,BarRange));
it works. Is the answer that HighestSince, LowestSince, HHV, LLV are
all arrays? and LastValue makes it a scalar which is what MinValue
and MaxValue want in the Plot statement?
That's my best guess.
Bill
--- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> Sounds like something in the Portvalue statement ?
>
>
> Cheers,
> Graham
> http://groups.msn.com/asxsharetrading
> http://groups.msn.com/fmsaustralia
>
> -----Original Message-----
> From: BillBarack [mailto:wbarack@x...]
> Sent: Friday, 19 December 2003 7:11 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Visible range shown on chart
>
>
>
>
> Graham,
>
> Thanks, it helps, but I keep getting error messages. Any ideas
here?
> Am I mixing variable types or something like that?
>
> Bill
> PortValue = my expression;
>
> Try #1:
> barvisible = Status("barvisible");
> //firstvisiblebar = barvisible AND NOT Ref( barvisible, -1 ); FVB =
> barvisible AND NOT Ref( barvisible, -1 ); LVB = barvisible AND NOT
> Ref(barvisible,1); BarRange = LVB - FVB +1; MinVal =
> LLV(PortValue,BarRange); MaxVal = HHV(PortValue,BarRange);
>
> Error Message for Try #1:
>
> Line 182, Column 61:
>
> Plot(PortValue,"",colorBlack,4|styleOwnScale,MinVal, MaxVal);
> ------------------------------------------------------------^
>
> Bad args.
> 5-th argument of function call has invalid (or unsupported) type
>
> Try #2:
> barvisible = Status("barvisible");
> //firstvisiblebar = barvisible AND NOT Ref( barvisible, -1 ); FVB =
> barvisible AND NOT Ref( barvisible, -1 ); LVB = barvisible AND NOT
> Ref(barvisible,1); MinVal = LowestSince(FVB,PortValue); MaxVal =
> HighestSince(FVB,PortValue);
> Plot(PortValue,"",colorBlack,4|styleOwnScale,MinVal, MaxVal);
>
> Error Message for Try #2:
> Line 178, Column 61:
> MinVal = LowestSince(FVB,PortValue);
> MaxVal = HighestSince(FVB,PortValue);
> Plot(PortValue,"",colorBlack,4|styleOwnScale,MinVal, MaxVal);
> ------------------------------------------------------------^
>
> Bad args.
> 5-th argument of function call has invalid (or unsupported) type
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> > Use
> > Status( "barvisible" );
> >
> > Returns 1 if the bar is on screen
> >
> >
> >
> > Cheers,
> > Graham
> > http://groups.msn.com/asxsharetrading
> > http://groups.msn.com/fmsaustralia
> >
> > -----Original Message-----
> > From: BillBarack [mailto:wbarack@x...]
> > Sent: Friday, 19 December 2003 6:21 AM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Visible range shown on chart
> >
> >
> > I've been struggling, trying to find a way to express in AFL, the
> > range currently shown on the chart. By this I mean, the Last bar
> > visible minus the first bar visible.
> >
> > Can anyone point me in the right direction?
> >
> > Thanks
> >
> > Bill
> >
> >
> > Send BUG REPORTS to bugs@xxxx
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