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Hello Tomasz,
Thanks for turning on the lights.
Excuse my very poor choice of words; of course such a thing can not
be inconsistent.
I checked your image at the FT site; I was sure you would have no
hair left. You must have a very good quality toupee ;-)
BrianB2
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx>
wrote:
>
> Hello,
>
> BarCount is number of elements in AFL array.
> Its length is DYNAMIC (may change from execution to execution)
> depending on chart zoom level - if you zoom in the BarCount will
decrease.
>
> BarIndex() is represents FIXED quote (bar) index. It does not change
> when you zoom in/zoom out. It may only change when you add new
quotations
> to the database or when you change the interval (for example daily
to intraday).
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "brian.z123" <brian.z123@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Saturday, March 03, 2007 10:49 AM
> Subject: [amibroker] Re: Mirroring the Chart
>
>
> > Robert,
> >
> > I plot everything that I can to help with understanding.
> >
> > Actually barcount doesn't plot so well; it only consistently
works
> > when you first insert it (Tomasz will be tearing his hair out
seeing
> > me recommend plotting it). It does, however, show clearly what it
is
> > about in that one instance (a constant = = the total number of
bars)
> > whereas barindex() is the zerobased progressive count = = periods.
> >
> > The lastvalue of barindex() = = lastvalue of barcount -1
> >
> > BrianB2.
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "rhoemke" <robert@> wrote:
> >>
> >> hi Brian,
> >>
> >> plotting is a good idea.
> >>
> >> Users Guide says:
> >> Barcount vs BarIndex()
> >> There is a fundamental difference between BarCount and BarIndex
().
> >> BarCount is a numeric variable that
> >> holds just one number (the count of elements in array). On the
other
> >> hand BarIndex() is a function that returns
> >> ARRAY representing consecutive index of each bar.
> >>
> >> Seems i misunderstood.
> >>
> >> Let's see what the plot shows.
> >>
> >> Regards
> >> Robert
> >>
> >> --- In amibroker@xxxxxxxxxxxxxxx, "brian.z123" <brian.z123@>
wrote:
> >> >
> >> > Hello Robert,
> >> >
> >> > No.
> >> >
> >> > No problemo!
> >> >
> >> > If you plot barcount and barindex you will see it works a
little
> >> > differently than you think.
> >> >
> >> > BrianB2.
> >> >
> >> > --- In amibroker@xxxxxxxxxxxxxxx, "rhoemke" <robert@> wrote:
> >> > >
> >> > > It seems that there is at least a problem with Barcount and
> > BarIndex
> >> > ().
> >> > > As i understand, Barcount is just a number, showing the
total
> > number
> >> > > of bars in the chart (starts counting at 0), and BarIndex()
> > shows
> >> > the
> >> > > actual number of the single bar.
> >> > > But this code shows different figures even for BarCount at
> > selected
> >> > > bar and i don't know why.
> >> > > Anybody who can help?
> >> > >
> >> > > SBI = SelectedValue(BarIndex());
> >> > > "Selected BarIndex = "+WriteVal(SBI);
> >> > > "BarCount = "+WriteVal(BarCount);
> >> > >
> >> > >
> >> > > Regards
> >> > > Robert
> >> > > --- In amibroker@xxxxxxxxxxxxxxx, "rhoemke" <robert@> wrote:
> >> > > >
> >> > > > Thank you Zoli,
> >> > > >
> >> > > > what i try to do is to mirror horizontaly at the avg of
> > selected
> >> > bar
> >> > > > AND vertically from selected bar.
> >> > > > This is why i think i need the loop.
> >> > > >
> >> > > > I try to mirror the past into the future, as it is
described
> > in
> >> > Welles
> >> > > > Wilders Book about Adam Theory.
> >> > > >
> >> > > > Regards Robert
> >> > > >
> >> > > >
> >> > > >
> >> > > > --- In amibroker@xxxxxxxxxxxxxxx, "zoli_j" <novizoli@>
wrote:
> >> > > > >
> >> > > > > mySelectedBI = SelectedValue(BarIndex());
> >> > > > > WriteVal(mySelectedBI);
> >> > > > >
> >> > > > > myMirrorHorizontalValue = ValueWhen(BarIndex() ==
> > mySelectedBI,
> >> > Avg);
> >> > > > > Plot(myMirrorHorizontalValue, "myMHV", colorBlue,
> > styleLine);
> >> > > > >
> >> > > > > myDiffO = O - myMirrorHorizontalValue;
> >> > > > > myDiffH = H - myMirrorHorizontalValue;
> >> > > > > myDiffL = L - myMirrorHorizontalValue;
> >> > > > > myDiffC = C - myMirrorHorizontalValue;
> >> > > > > //PlotOHLC(myDiffO, myDiffH, myDiffL, myDiffC, "myDiff",
> >> > colorBlue,
> >> > > > > styleCandle);
> >> > > > >
> >> > > > > myO = IIf(NOT IsNull(myMirrorHorizontalValue),
> >> > > > > myMirrorHorizontalValue - myDiffO, O);
> >> > > > > myH = IIf(NOT IsNull(myMirrorHorizontalValue),
> >> > > > > myMirrorHorizontalValue - myDiffH, H);
> >> > > > > myL = IIf(NOT IsNull(myMirrorHorizontalValue),
> >> > > > > myMirrorHorizontalValue - myDiffL, L);
> >> > > > > myC = IIf(NOT IsNull(myMirrorHorizontalValue),
> >> > > > > myMirrorHorizontalValue - myDiffC, C);
> >> > > > >
> >> > > > > BR, Zoli.
> >> > > > >
> >> > > > > PlotOHLC(O, H, L, C, "PriceChart", colorBlack,
styleCandle);
> >> > > > > PlotOHLC(myO, myH, myL, myC, "MirroRchart", colorBlue,
> >> > styleCandle);
> >> > > > >
> >> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "rhoemke" <robert@>
wrote:
> >> > > > > >
> >> > > > > > Hello,
> >> > > > > > i am trying to mirror the chart from the selected bar.
> >> > > > > >
> >> > > > > > My code is this, but it doesn't plot a chart but only
a
> >> > single bar.
> >> > > > > > Can someone see what is wrong. It is difficult for me
to
> >> > describe in
> >> > > > > > english how the mirroring idea works, but maybe the
code
> >> > shows it.
> >> > > > > >
> >> > > > > > Thank you.
> >> > > > > >
> >> > > > > > selectedBI = SelectedValue(BarIndex()); WriteVal
> > (SelectedBI);
> >> > > > > > mirroropen = 0;
> >> > > > > > mirrorhigh = 0;
> >> > > > > > mirrorlow = 0;
> >> > > > > > mirrorclose = 0;
> >> > > > > > WriteVal(BarCount-SelectedBI-1);
> >> > > > > >
> >> > > > > > for (i = 0;i<BarCount-1;i++);
> >> > > > > > {
> >> > > > > > if(i>=selectedBI)
> >> > > > > > {
> >> > > > > > mirroropen[i] = 2*Avg[SelectedBI] - O[2*SelectedBI-
i];
> >> > > > > > mirrorhigh[i] = 2*Avg[SelectedBI] - H[2*SelectedBI-
i];
> >> > > > > > mirrorlow[i] = 2*Avg[SelectedBI] - L[2*SelectedBI-
i];
> >> > > > > > mirrorclose[i] = 2*Avg[SelectedBI] - C[2*SelectedBI-
i];
> >> > > > > > }
> >> > > > > > else
> >> > > > > > {
> >> > > > > > mirroropen[i] = O[i];
> >> > > > > > mirrorhigh[i] = H[i];
> >> > > > > > mirrorlow[i] = L[i];
> >> > > > > > mirrorclose[i] = C[i];
> >> > > > > > }
> >> > > > > > }
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > > PlotOHLC(mirroropen, mirrorhigh, mirrorlow,
mirrorclose,
> >> > > > > > "Mirrorchart", colorBlue);
> >> > > > > >
> >> > > > >
> >> > > >
> >> > >
> >> >
> >>
> >
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get 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
> >
> >
> >
> >
> >
>
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