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Hi Roy,
Nice piece of work, How do you extend this to also work on an
intrday chart drawing a line from yesterday 16:00 Hours to today
11:00 Hours.
Kindest regards
Guno
--- In Metastockusers@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx>
wrote:
> This is easy enough to do. Here's the procedure.
>
> Determine the ending point of the line. This can be signalled
either with a single bar true or a
> signal that goes true and stays true from that point onward.
>
> Use LastValue(BarsSince()) to count the bars since the single bar
spike was true or the solid true
> was false. If you're using the second of these options then the
result will be one greater than the
> first option, and you'll need to subtract one to get the correct
number of bars to blank. You now
> have a constant of the number of bars to be blanked. If you don't
use LastValue() then the number
> can't be used in the subsequent Ref() functions.
>
> The next step in the process is to shift the plot that number of
bars to the right, then shift it
> the same number of bars to the left.
>
> Here's an example with the end of your code modified to remove the
plot for 2004. Notice that the
> inner Ref() is processed first so the plot you started with is
moved to the right then to the left.
> Hope this makes sense.
>
> Roy
>
> fmDay:=Input("Date from (dd)",1,31,1);
> fmMonth:=Input("Date from (mm)",1,12,1);
> fmYear:=Input("Date from (yyyy)",1980,2099,2003);
>
> toDay:=Input("Date to (0 - last day)",0,31,31);
> toDay:=If(toDay=0,LastValue(DayOfMonth()),toDay);
> toMonth:=Input("Date to (0 - last month)",0,12,12);
> toMonth:=If(toMonth=0,LastValue(Month()),toMonth);
> toYear:=Input("Date to (0 - last year)",0,2099,2003);
> toYear:=If(toYear=0,LastValue(Year()),toYear);
>
> afterFrom:=(DayOfMonth()>=fmDay AND Month()=fmMonth AND Year()
> =fmYear) OR (Month()>fmMonth AND Year()=fmYear) OR Year()>fmYear;
> beforeTo:=(DayOfMonth()<=toDay AND Month()=toMonth AND Year()
=toYear)
> OR (Month()<toMonth AND Year()=toYear) OR Year()<toYear;
>
> X:=afterFrom AND beforeTo;
> Y:=ValueWhen(1,X,C);
> Z:=LastValue(BarsSince(X));
> Ref(Ref(Y,-Z),+Z);
>
>
>
> > Roy, How can I draw a line bewteen only two points. I can
start the
> > line at the time period when I want, but when the period has
elapsed
> > the line keeps going at its last value. (I hope this makes some
> > sense?)
> >
> > Anyway the code I am using is:
> >
> > fmDay:=Input("Date from (dd)",1,31,1);
> > fmMonth:=Input("Date from (mm)",1,12,1);
> > fmYear:=Input("Date from (yyyy)",1980,2099,2003);
> >
> > toDay:=Input("Date to (0 - last day)",0,31,31);
> > toDay:=If(toDay=0,LastValue(DayOfMonth()),toDay);
> > toMonth:=Input("Date to (0 - last month)",0,12,12);
> > toMonth:=If(toMonth=0,LastValue(Month()),toMonth);
> > toYear:=Input("Date to (0 - last year)",0,2099,2003);
> > toYear:=If(toYear=0,LastValue(Year()),toYear);
> >
> > afterFrom:=(DayOfMonth()>=fmDay AND Month()=fmMonth AND Year()
> > =fmYear) OR (Month()>fmMonth AND Year()=fmYear) OR Year()>fmYear;
> > beforeTo:=(DayOfMonth()<=toDay AND Month()=toMonth AND Year()
=toYear)
> > OR (Month()<toMonth AND Year()=toYear) OR Year()<toYear;
> >
> > ValueWhen(1,afterFrom AND beforeTo,C)
> >
> > You might notice the horizontal line at the level of the last
closing
> > price on the last day in the period. This is the portion I would
> > like to get rid of, leaving only the data within the specified
time
> > frame.
> >
> > Any assistance would be appreciated. Thanks in advance.
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> > To visit your group on the web, go to:
> > http://groups.yahoo.com/group/Metastockusers/
> >
> > To unsubscribe from this group, send an email to:
> > Metastockusers-unsubscribe@xxxxxxxxxxxxxxx
> >
> > Your use of Yahoo! Groups is subject to:
> > http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
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