[amibroker] Re: How to draw a line using code

["jppt0k" <jppt0k@xxxxxxxxx>]

This is pure Dimitris Tsokakis.
Some caveats: 'we do not know which candle is f i r s t, the 10-day
higher OR the 30-day higher
If the 30-day higher is first [yellow candle], then the 10-day higher
[green candle] will be a bit lower and the line will have negative
slope.
If the 30-day higher is last, then the 30-day AND the 10-day higher
occur THE SAME DAY and the line will be [by convention] horizontal.'


X      = Cum(1);
LX     = LastValue(X);
COND1  = X >= LX-30 AND H == LastValue(HighestSince(X==LX-30,H,1));
COND2  = X >= LX-10 AND H == LastValue(HighestSince(X==LX-10,H,1));
T1     = LastValue(ValueWhen(COND1,X));
T2     = LastValue(ValueWhen(COND2,X));
TT1    = Max(T1,T2);
TT2    = Min(T1,T2);
dTT    = TT1-TT2;
endH   = LastValue(ValueWhen(X==TT1,H));
startH = LastValue(ValueWhen(X==TT2,H));
aH     = (endH-startH)/dTT;
bH     = endH;
trendlineH = IIf(T1!=T2,aH * (X-TT1) + bH,endH);

Plot(IIf(X>=LX-30,trendlineH,Null),"",4,1);
COLOR=IIf(COND1,colorYellow,IIf(COND2,colorBrightGreen,colorBlack));
Plot(C,"C",COLOR,64);

--- In amibroker@xxxxxxxxxxxxxxx, jppt0k <jppt0k@xxxx> wrote:
> look for posts of Dimitris Tsokakis. he was able to trace every kind
of line.
> 
> On 03/07/05, nkis22 <nkishor@xxxx> wrote:
> >  Thanks Steve. It gives me a line at 30 day high, but I want the
line 
> >  connecting 30 day high with 10 day high, so often this will not
be a 
> >  horizontal line but a sloping one
> >  
> >  nand
> >  
> >  
> >  --- In amibroker@xxxxxxxxxxxxxxx, "Steve Dugas" <sjdugas@xxxx>
wrote:
> >  > Hi Nand,
> >  > 
> >  > Haven't tested it, but I think this would do it:
> >  > 
> >  > ThirtyDayHighLine = IIf( BarIndex() >= BarCount - 30, HHV(
High, 
> >  30 ), 
> >  > NULL );
> >  > Plot( ThirtyDayHighLine, "30 Day High", colorRed, StyleLine );
> >  > 
> >  > Steve
> >  > 
> >  > ----- Original Message ----- 
> >  > From: "nkis22" <nkishor@xxxx>
> >  > To: <amibroker@xxxxxxxxxxxxxxx>
> >  > Sent: Saturday, July 02, 2005 8:47 PM
> >  > Subject: [amibroker] How to draw a line using code
> >  > 
> >  > 
> >  > >I want a line drawn from HHV in 30 days and HHV in 10 days,
that 
> >  is 30
> >  > > day H and 10 H points. I can find the values, but how do I
get a 
> >  line
> >  > > spanning 30 days? Any help will be much appreciated.
> >  > >
> >  > > nand
> >  > >
> >  > >
> >  > >
> >  > >
> >  > >
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