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Hi Dimitris
Thanks for your response.
The line "START=ValueWhen(Cum(IsTrue(Y))==1,Cum(1));" does not seen
to work for a vertical line (study), i.e. it is only valid between
and excluding 0 and 180 degrees.
This however is fine. I can draw the AB and BC lines on the chart
and then use your method to get the values for calculating the Fib
projections (instead of marking points A,B and C seperately with
vertical lines).
Thanks again
Conrad
--- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS"
<TSOKAKIS@xxxx> wrote:
> Conrad,
> Every custom indicator has an Id number in the upper right of the
> indicator text.
> Draw your trendline in a custom indicator [let 2044], name it [let
> SU] and then
> Y=Study("SU",2044);
> will be an array with all the properties of your trendline.
> Example
>
> Plot(C,"C",1,64);
> Y=Study("SU",2044);
> START=ValueWhen(Cum(IsTrue(Y))==1,Cum(1));
> END=-1+ValueWhen(IsEmpty(Y) AND Ref(IsTrue(Y),-1),Cum(1));
> LENGTH=END-START;
> Title="START="+WriteVal(START,1.0)+", END="+WriteVal(END,1.0)+",
> LENGTH="+WriteVal(LENGTH,1.0);
>
> --- In amibroker@xxxxxxxxxxxxxxx, "conrad_faber" <c.faber@xxxx>
wrote:
> > I want to manually mark a number a bars on a chart for AB to
> > calculate the Fib ABC expansions. The only way that I am aware
of
> is
> > vertical lines with the appropriate StudyId's, eg AA, BB, CC.
> >
> > This then requires me to use the "cross" function that does not
> seem
> > to work well with vertical lines.
> >
> > Is there perhaps a way that I can get the Barnumber from the
> > StudyId?
> >
> > Any ideas?
> >
> > Thanks
> > Conrad
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