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Govind,
Y co-ordinates do not need to be integers, just use your values.
x0 = valuewhen(StartOfDay,barindex());
x1 = barindex();
"extend" as preffered
"usebarindex" should be set to true
give it a try...
Walt
--- In amibroker@xxxxxxxxxxxxxxx, "Govind" <share.interest@xxxx>
wrote:
>
>
> mhh... Thank you for the pointer... I was just playing around the
> LineArray function and my requirement. Now x0,x1 co-ordinate should
> be a date starting from the intra day time to the current time.
Here
> are my few doubts to use this formula to achieve what i require.
>
> 1. In the below formula it seems that the support and resistance
> values will be decimal. How do I convert it into integer so that
the
> lineArray functions accepts the same.The formatted support and
> resistance values will be the y co-ordinates(both y0,y1 will be the
> same in this case).
>
> Reference: Line = LineArray( x0, y0, x1, y1, 1,False );
>
> 2. As I said earlier I would like to draw the horizantal line only
> for that particular day. So I need to identify the intra day start
> date (automatically) convert it into a integer format(acceptable by
> AB) and then current date at the time the line is plot. This will
be
> x0 and x1 co-ordinates
>
> I searched and found the following formula.. But I am not sure how
> to use this...
>
> StartOfDay = DateNum() != Ref( DateNum(), -1 );
> EndOfDay = Ref( StartOfDay, 1 );
>
> Any help would be highly appreciated.
>
> Thanks,
> Govind
> --- In amibroker@xxxxxxxxxxxxxxx, "hairy_mug" <WSCHWARZ@xxxx> wrote:
> >
> > Try the linearray function:
> >
> > Plot(LineArray(BarCount-20,resValue,BarCount-
> > 1,ResValue,1),"R",colorGold);
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, G <share.interest@xxxx> wrote:
> > >
> > > Friends,
> > >
> > > I have the following requirement.
> > >
> > > I have support and resistance for nifty index (India) for the
> > day. I would like
> > > to draw these lines in the intra day charts. I would like to
> know
> > how
> > > to draw it. I tried my hands with the AFL but it in vain. I have
> > > attached the sample image of what I am trying to achieve. The
> yellow
> > > horizontal lines are the support and resistance. I also want
> them to
> > > be of different color. Can anybody help me out on how to
achieve
> > this?
> > >
> > > Below is the formula that i have used..
> > > DP=(H+L+C)/3;
> > >
> > > R1=(2*DP)-L;
> > >
> > > S1=(2*DP)-H;
> > >
> > > T1=(R1-S1);
> > >
> > > T2=(R1-S1);
> > >
> > > R2=DP+T1;
> > >
> > > S2=DP-T2;
> > >
> > >
> > >
> > > Plot(C,"Close",colorBlack,styleBar);
> > >
> > > Plot(R1,"Resistance1",colorRed,styleLine);
> > >
> > > Plot(R2,"Resistance2",colorOrange,styleLine);
> > >
> > > Plot(S1,"Support1",colorDarkBlue,styleLine);
> > >
> > > Plot(S2,"Support2",colorGreen,styleLine);
> > >
> > >
> > >
> > > Plot(DP,"Pivot",colorPink,styleLine);
> > >
> > >
> > >
> > > Actually what I want is to calculate the support and resistance
> > from closing values of the previous day and draw the linear lines
> on
> > the intraday chart... The above draws the graph for each candle
of
> > the intraday. Also I would like to super impose these lines on
the
> > inbuilt price charts of AmiBroker. If mail not clear let me know
> so
> > that I will try to rephrase my words.
> > >
> > >
> > >
> > > Cheers,
> > > Govind
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > ---------------------------------
> > > Celebrate Yahoo!'s 10th Birthday!
> > > Yahoo! Netrospective: 100 Moments of the Web
> > >
> > >
> > >
> > > ---------------------------------
> > > Do you Yahoo!?
> > > Yahoo! Small Business - Try our new resources site!
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