Ajay,
I could not figure out a way to put the
colors inside the bands, but I combined with another piece of code I had which
changes the background color based on price is above or below MA. Also period
of MA is controlled by a Parameter setting. This should be close to what you
want.
Enjoy,
Don Lindberg
---------------------------------------Code
Begins Below ----------------------------------------
_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g,
Close %g (%.1f%%) {{VALUES}}", O, H, L,
C, SelectedValue( ROC( C, 1 ) ) ));
Plot( C, "Close", ParamColor("Color", colorBlack
), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
_SECTION_END();
_SECTION_BEGIN("Colored
Bolinger Bands");
pr=Param( "Period",20,0,100,1);
P = ParamField("Price field",-1);
Style = ParamStyle("Style") | styleNoRescale | styleNoLabel
|styleDashed;
BBT=BBandTop(P,pr,2);
BBB=BBandBot(P,pr,2);
topcond = (Cross(BBT,C)OR
C>BBT)AND Ref(C, -1)> BBT;
botcond = ( Cross(C,BBB))AND
Ref(C, -1 <
BBB);
bbtcolor = IIf( BBT>
Ref (BBT, -1), colorDarkGreen,colorRed );
bbbcolor = IIf( BBB
> Ref (BBB, -1), colorDarkGreen,colorRed );
Plot( BBT, "BBTop" + _PARAM_VALUES(), bbtcolor, styleLine|styleThick);
Plot( BBB, "BBBot" + _PARAM_VALUES(), bbbcolor, styleLine|styleThick
);
PlotOHLC( BBT,BBT,BBB,BBB, "", ColorRGB(254,238,175),styleCloud );
Buy=botcond;
Sell=topcond ;
//Buy=ExRem(Buy,Sell);
//Sell=ExRem(Sell,Buy);
PlotShapes(shapeUpArrow * Buy, colorGreen,
0, L, - 10);
PlotShapes(shapeDownArrow * Sell, colorRed,
0, H, - 10);
_SECTION_END();
_SECTION_BEGIN("BkGrgd
Color Bars");
// background vis a vis MA(c,200);
p = Param("period", 20, 1, 200, 1);
Cond1 = Close > MA(C,p);
Cond2 = Close < MA(C,p);
//Plot(C,"", colorBlack, 64);
Plot( WMA(C,p),"", IIf(Cond1, colorBlack,IIf(Cond2,colorRed,colorGreen)),1);
Cond1 = Close > MA(C,p);
Cond2 = Close < MA(C,p);
Plot(Param("Height",100,1,100,1),"",IIf(Cond1,
ColorRGB(213,255,214),IIf(Cond2,ColorRGB(255,217,217),colorGold)
),styleArea|styleOwnScale|styleNoTitle|styleNoLabel|styleNoRescale,0,100);
Plot( WMA(C,p),"", colorBlue,1);
SetChartBkColor(colorLightYellow);
SetChartOptions(1,0,1);
GraphGridZOrder = 0 ;
_SECTION_END();
--------------------------------------
Code Ends ------------------------------------------
From:
amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of ajay babu
Sent: Monday, June 18, 2007 8:46
PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] A simple
improvement to colored Bollinger Bands
Hi
Good idea. I have another idea but it works or not i don't have any idea. It is
upto you. You have used same color between the bands irrespective of the price
up or down.
Can you make it that one when the price is above 20 SMA color between the bands
one color (let's say light green) and price is below 20 SMA color between the
bands (light red) another color.
Thank you...
Ajay
Don Lindberg
<dlindber@xxxxxxxxxxnet> wrote:
For those of you who found the
Colored Bollinger Bands useful, I have made a slight change to make it a bit
more eye appealing, by coloring area between Bands.
-------------------- Cut Here
-------------------------------------
//! Colored Bollinger Bands with Price
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g,
Close %g (%.1f%%) {{VALUES}}", O, H, L,
C, SelectedValue( ROC( C, 1 ) ) ));
Plot( C, "Close", ParamColor("Color", colorBlack ), styleNoTitle | ParamStyle("Style") | GetPriceStyle() );
_SECTION_BEGIN("Colored
Bollinger Bands");
pr=Param( "Period",20,0,100,1);
P = ParamField("Price field",-1);
Style = ParamStyle("Style") | styleNoRescale | styleNoLabel
|styleDashed;
topcond = (Cross(BBT,C)OR
C>BBT)AND Ref(C, -1)> BBT;
botcond = ( Cross(C,BBB))AND
Ref(C, -1 <
BBB);
bbtcolor = IIf( BBT>
Ref (BBT, -1), colorDarkGreen,colorRed );
bbbcolor = IIf( BBB
> Ref (BBB, -1), colorDarkGreen,colorRed );
Plot( BBT, "BBTop" + _PARAM_VALUES(), bbtcolor, styleLine|styleThick);
Plot( BBB, "BBBot" + _PARAM_VALUES(), bbbcolor, styleLine|styleThick
);
PlotOHLC( BBT,BBT,BBB,BBB, "", colorRose,styleCloud );
// If you feel there are too many arrows you can un-comment the
next two lines.
PlotShapes(shapeUpArrow * Buy, colorGreen,
0, L, - 10);
PlotShapes(shapeDownArrow * Sell, colorRed,
0, H, - 10);
--------------------
Cut Here -------------------------------------
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