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Anthony,
I agree, the angle output ( value ) in the title will not change.
The question is the further use of the angle. The only purpose is to
know the angle, it can not go further. If it is "attractive" to know
the angle, it is OK, there is no need to change anything...
Do the readers think the same way ? Is it easy for the average user
to hanlde a result angle=45 deg, the same moment he sees a 20deg on
his chart ? These are my personal hesitations and I avoid using angle
at all. But, if you like it, no problem at all !!
DT
--- In amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso" <ajf1111@xxxx>
wrote:
> Dimitri,
>
> Thank you for the input...( actually I was hoping for your
comments , Thank you) ....I will make the adjustment to the formula
and re-post.....
>
> As for the angle view in respect to the zoom factor...Granted , on
the screen , when zoomed in or out the angle perspective will
change .....But ...the angle output ( value ) in the title will not
change when the chart is zoomed in or out.....Therefore, the angle of
ascent or descent will be known......( is this a correct
assumption ) .
>
> Anthony
> ----- Original Message -----
> From: DIMITRIS TSOKAKIS
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, June 17, 2003 7:19 PM
> Subject: [amibroker] Re: Trendline with Degree output
>
>
> Anthony,
> you do not really need LinRegSlope.
> In the straight line equation
> trendline = aS * ( x -endbar ) + bS;
> aS is the slope, ie the tangent of the angle [in radians] and
> atan(aS) would be directly your "myradian"
> myradian=atan(aS);
> Then you may transform it to deg.
> As for the use : We do not read real angles in amibroker charts,
a
> pi/3 angle will look like pi/4 or pi/6 according to zoom.
> aS alone could do the job, ie aS1>0 for positive slope or aS1>aS2
for
> correlations [useful for wedges, for example...].
> aS is the tangent function of the angle and, from a math
property,
> angle inequalities go 1 to 1 with tangent inequalities,
consequently
> you will miss nothing .
> --- In amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso"
<ajf1111@xxxx>
> wrote:
> > Thanks Mark.....I am looking into it.....
> >
> > Anthony
> > ----- Original Message -----
> > From: MarkF2
> > To: amibroker@xxxxxxxxxxxxxxx
> > Sent: Tuesday, June 17, 2003 3:20 PM
> > Subject: [amibroker] Re: Trendline with Degree output
> >
> >
> > Anthony- really nice, but I think there's a bug somewhere.
> Comparing
> > QQQ with NDX, I got slopes of 4 and 72 degrees respectively,
even
> > though both trendlines were 27 days and the slopes looked the
> same.
> >
> > Mark
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso"
> <ajf1111@xxxx>
> > wrote:
> > > //Automatic Support Trendline With Degrees
> > >
> > > //Anthony Faragasso, 2003
> > >
> > > x = Cum(1);
> > >
> > > per =Param("Percent",2,0.01,3,0.01);// Sensitivity setting
> > >
> > > s1=L;//Array
> > >
> > > EndValue1 = LastValue( Trough( s1, per, 1 ) );
> > >
> > > startvalue = LastValue( Trough( s1, per, 2 ) );
> > >
> > > endbar = LastValue( ValueWhen( s1 == EndValue1, x, 1 ) );
> > >
> > > startbar = LastValue( ValueWhen( s1 == startvalue, x, 1 ) );
> > >
> > > aS = (EndValue1-startvalue)/(endbar-startbar);
> > >
> > > bS = EndValue1;
> > >
> > > trendline = aS * ( x -endbar ) + bS;
> > >
> > > //-----------------------------------//
> > >
> > > // Conversion to Degrees //
> > >
> > > //-----------------------------------//
> > >
> > > pi=4*atan(1);
> > >
> > > time=endbar-startbar;
> > >
> > > myslope=LinRegSlope(trendline,time);
> > >
> > > myradian=atan(myslope);
> > >
> > > mydegree=myradian*(180/PI);//Degrees
> > >
> > > //-------------------------------------//
> > >
> > > Plot(C,"close",colorBlack,styleCandle);
> > >
> > >
> > Plot(IIf(x>startbar-5,trendline,-
> 1e10),"Trendline",colorYellow,styleLine);
> > >
> > > direction=WriteIf(mydegree >= 0 AND mydegree <= 0.99,"Flat
> > > ",WriteIf(mydegree > 0 ,"Rising ",WriteIf(mydegree <
> 0 , "Falling ",
> > "")));
> > >
> > > DirectionColor=LastValue(IIf(mydegree >
> > 0,colorBrightGreen,IIf(mydegree < 0,
> > > colorRed,IIf(mydegree >= 0 AND mydegree <=
> 0.99 ,colorYellow,Null))));
> > >
> > > Title=Name()+"..."+Date()+"\n"+"TRENDLINE is
> > > "+EncodeColor(directioncolor)+direction+EncodeColor
(colorBlack)
> +"at
> > "+"( "+
> > > WriteVal(mydegree,1)+" )"+" Degrees";
> > >
> > >
> > >
> > > //plotting ( x, y ) grid
> > >
> > > Plot(startbar==x,"",colorRed,styleHistogram|styleOwnScale);
> > >
> > > Plot(ValueWhen(startbar==x,Low),"",colorRed,styleLine);
> > >
> > > //-----------------------------------//
> > >
> > > // Automatic Anlaysis window Output //
> > >
> > > //-----------------------------------//
> > >
> > > // Settings : //
> > >
> > > // n last quotations and n=1 //
> > >
> > > // explore //
> > >
> > > //-----------------------------------//
> > >
> > > Filter=mydegree > 0 OR mydegree <0;
> > >
> > > AddColumn(mydegree,"Degree",1);
> > >
> > >
> > >
> > >
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