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Hi Denis,
thanks, but this gives line OR histogram; i need both together.
Here is my adaptation of Anthony's method(using a LightGrey background):
<clip>
//Williams %R
days = Param("days",14,1,30,10);
num = HHV( High, days ) - Close;
den = HHV( High, days ) - LLV( Low, days );
rate = (num/den) * -100;
wayup=rate>=-20;
medium=rate<-20 AND rate>=-80;
waydown=rate<-80;
Plot(-20,"",2,1);
Plot(-50,"",1,1);
Plot(-80,"",2,1);
Plot(rate,"",colorDarkRed,1);
y=IIf(waydown,-80,rate);
Plot(y,"",colorLightGrey,styleArea);
z=IIf(wayup,-20,rate);
Plot(z,"",colorDarkRed,styleArea);
GraphXSpace=3;
Title="Wm%R("+WriteVal(rate,1.1)+")";
<clip>
-john
----- Original Message -----
From: "iceberg_grognon" <iceberg_grognon@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Thursday, April 01, 2004 9:15 AM
Subject: [amibroker] Re: variable styles for same array
Hi. I just wanted to suggest this:
ratea = IIf(wayup OR waydown,rate,Null);
rateb=IIf(medium,rate,Null);
Plot(ratea,"rate",colorRed,styleHistogram);
Plot(rateb,"rate",colorBlue,styleLine);
Denis
--- In amibroker@xxxxxxxxxxxxxxx, "john gibb" <jgibb1@xxxx> wrote:
> Hi PeterJ and Stephane,
>
> Your suggestions, while interesting, simply plot a histogram and a
line
> which borders it.
>
> And thanks for reminding me that IIf can be used without needing
to assign
> its result to a left-side-of-the-equation variable!
>
> In any case, I think I will be able to adapt Anthony's code, in
message
> 61362, and get what I need.
>
> thanks
>
> -john
>
>
> ----- Original Message -----
> From: "PeterJ (wpq)" <pjcwebpagequery@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Wednesday, March 31, 2004 2:16 PM
> Subject: RE: [amibroker] variable styles for same array
>
>
> John
>
> Try
>
> iif (wayup OR waydown,
> Plot(rate,"",colorRed,styleHistogram),
> Plot(rate,"",colorRed,styleLine));
>
> PeterJ
> E&OE :-)
>
> -----Original Message-----
> From: john gibb [mailto:jgibb1@x...]
> Sent: Thursday, 1 April 2004 7:56 a
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] variable styles for same array
>
> Hi,
>
> I am trying to achieve the indicator style shown on the attached
(from
> stockcharts.com) with something like:
>
> wayup = rate >= -20;
> medium = rate < -20 AND rate >= -80;
> waydown = rate <- 80;
> s = IIf(wayup OR waydown,styleHistogram,styleLine);
> Plot(rate,"rate",colorRed,s);
>
> but i get this error on the 's' in the Plot statement:
>
> 3-th argument of function call has invalid (or unsupported)
type.
>
> I also tried:
>
> Plot(rate,"rate",colorRed,LastValue(s));
>
> but got only a Histogram or Line, not both
>
> and I tried:
>
> if (wayup OR waydown)
> Plot(rate,"",colorRed,styleHistogram);
> else
> Plot(rate,"",colorRed,styleLine);
>
> but got:
>
> "Condition in IF, WHILE, FOR statements has to be Numeric or
Boolean
> type. You can not use array here."
>
> Any suggestions?
>
> thanks
>
> -john
>
>
>
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