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If it does not work even after doing
what graham has said below, try changing Program files to Progra~1
Regards
Prashanth
<BLOCKQUOTE dir=ltr
>
----- Original Message -----
<DIV
>From:
<A title=gkavanagh@xxxxxxxxxxxxx
href="">Graham
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Wednesday, April 14, 2004 3:01
AM
Subject: RE: [amibroker] Re: Modify Price
Chart
<SPAN
>#include "C:\program
files\amibroker\afl\include\writeuponstock.afl"
<SPAN
>the double dash at the start
C:\\
<SPAN
>
<SPAN
>Cheers,Graham<A
href="">http://e-wire.net.au/~eb_kavan/
<SPAN
>-----Original
Message-----From: mrdavis9
[mailto:mrdavis9@xxxxxxxxxx] <SPAN
>Sent: Wednesday, April 14, 2004 4:45
AMTo: <A
href="">amibroker@xxxxxxxxxxxxxxx<SPAN
>Subject: Re: [amibroker] Re: Modify Price
Chart
<FONT face="Times New Roman"
size=2>
<SPAN
>If any of you feel free to tell
me what I did wrong below, I will appreciate it. I
have never succeeded in modifying any of the builtin AB indicators. Ron
D
<SPAN
>Johan, thanks for the code.
I made a custom version of the built-in price chart so I would not risk
harming the built-in price chart. Below, I have copied the custom
duplicate Price Chart, with your code pasted in above the<FONT
face=Arial color=green size=4><SPAN
>
//--Indicator-End-- <SPAN
>line as you
instructed. I have also copied the error message that I get when I click
on Apply.
<SPAN
>I then clicked on
OK after viewing the error message, and this same error message is the
only thing that shows up in the indicator window. Somehow, this added
coding prevents the original portion of the built-in price window
from seeing whatever else that it needs to see.
<SPAN
>I looked in help for
WRITEUPONSTOCK but could find no reference to it.. I am
guessing that it would work if it were coded using WriteIf(
xxxxxxx). I will try to learn a little about this when I have more
time.
<SPAN
> Ron D
<SPAN
>This is the error below.
<SPAN
>=======================================================
<SPAN
>Line 20, Column 69:// (C)2002
amibroker.com
<SPAN
>#include "C:\\program
files\amibroker\afl\include\writeuponstock.afl"--------------------------------------------------------------------^
<SPAN
>#include error: File does not
exist:'C:\\program
files\amibroker\afl\include\writeuponstock.afl'(current working directory
is 'C:\Program Files\AmiBroker')
<SPAN
>This is the pasted version done in
a Custom Indicator window,
<SPAN
>===============================================================================
<SPAN
>btop = <SPAN
>BBandTop( <SPAN
>C, <SPAN
>Prefs( <SPAN
>4 ), <SPAN
>Prefs(<SPAN
>8)/<SPAN
>100 );
<SPAN
>bbot = <SPAN
>BBandBot( <SPAN
>C, <SPAN
>Prefs(<SPAN
>4), <SPAN
>Prefs(<SPAN
>8)/<SPAN
>100 );
<SPAN
>width = btop -
bbot;
<SPAN
>PctChange=<FONT
color=fuchsia>100*(width-<FONT
color=blue>Ref(width,-<FONT
color=fuchsia>1))/<FONT
color=blue>Ref(width,-<FONT
color=fuchsia>1);
<SPAN
>Plot<FONT
face=Arial size=4><SPAN
>(PctChange,<FONT
color=fuchsia><SPAN
>"BwidthPctChg",<SPAN
>colorBlack,<SPAN
>styleNoDraw);
<SPAN
>//--Indicator-End--
<SPAN
>// Above line
instructs the parser that the code
<SPAN
>// below is only
for commentary/interpretation window
<SPAN
>// This provides
significant performance improvement
<SPAN
>//
<SPAN
>// (C)2002
amibroker.com
<SPAN
>#include<FONT
face=Arial size=4> <FONT
color=fuchsia>"C:\\program
files\amibroker\afl\include\writeuponstock.afl";
<SPAN
>movshort = <FONT
color=blue>MA( <SPAN
>C, <SPAN
>Prefs(<SPAN
>4) );
<SPAN
>movmed = <SPAN
>MA( <SPAN
>C, <SPAN
>Prefs(<SPAN
>6) );
<SPAN
>movlong = <SPAN
>MA( <SPAN
>C, <SPAN
>Prefs(<SPAN
>28) );
<SPAN
>btop = <SPAN
>BBandTop( <SPAN
>C, <SPAN
>Prefs( <SPAN
>4 ), <SPAN
>Prefs(<SPAN
>8)/<SPAN
>100 );
<SPAN
>bbot = <SPAN
>BBandBot( <SPAN
>C, <SPAN
>Prefs(<SPAN
>4), <SPAN
>Prefs(<SPAN
>8)/<SPAN
>100 );
<SPAN
>width = btop -
bbot;
<SPAN
>lslop = <SPAN
>LinRegSlope( <SPAN
>C, <SPAN
>30 ) + <SPAN
>100;
<SPAN
>lslo = <SPAN
>LLV( lslop, <SPAN
>90 );
<SPAN
>lshi = <SPAN
>HHV( lslop, <SPAN
>90 );
<SPAN
>lswidth = lshi -
lslo;
<SPAN
>trend = <FONT
color=fuchsia>100*( lslop - lslo
)/lswidth;
<SPAN
>mawidth = <SPAN
>MA( width, <SPAN
>100 );
<SPAN
>relwidth = <FONT
color=fuchsia>100*(width -
mawidth)/mawidth;
<SPAN
>_N<FONT
face=Arial size=4>( tname
= Name()+<FONT
color=fuchsia>"("+<FONT
color=blue>FullName()+<FONT
color=fuchsia>")"
);
<SPAN
>"Price and
moving averages:"<SPAN
>;
<SPAN
>tname + <FONT
color=fuchsia>" has closed " +
WriteIf( <SPAN
>C > movshort, <FONT
color=fuchsia>"above" , <FONT
color=fuchsia>"below" ) + <FONT
color=fuchsia>" its short time moving average.
";
<SPAN
>"Short time
moving average is currently "<SPAN
> + <SPAN
>WriteIf( movshort > movmed, <FONT
color=fuchsia>"above", <FONT
color=fuchsia>"below") + <FONT
color=fuchsia>" mid-time, and " +
WriteIf( movshort
> movlong, <SPAN
>"above", <SPAN
>"below" ) + <SPAN
>" long time moving
averages.";
<SPAN
>"The
relationship between price and moving averages is: "<FONT
face=Arial size=4><SPAN
>+
<SPAN
>WriteIf<FONT
face=Arial size=4>(
C > movshort <SPAN
>AND movshort > movmed, <FONT
color=fuchsia><SPAN
>"bullish",
<SPAN
>WriteIf<FONT
face=Arial size=4>(
C < movshort <SPAN
>AND movshort < movmed, <FONT
color=fuchsia>"bearish", <FONT
color=fuchsia>"neutral" ) ) + <FONT
color=fuchsia>" in short-term, and
"+
<SPAN
>WriteIf<FONT
face=Arial size=4>(
movshort > movmed AND movmed
> movlong , <SPAN
>"bullish",
<SPAN
>WriteIf<FONT
face=Arial size=4>(
movshort < movmed AND movmed
< movlong, <SPAN
>"bearish", <SPAN
>"neutral" ) ) + <SPAN
>" in mid-long term. ";
<SPAN
>"\nBollinger
Bands:"<SPAN
>;
<SPAN
>tname+ <SPAN
>" has closed " +
<SPAN
>WriteIf<FONT
face=Arial size=4>(
C < bbot, <FONT
color=fuchsia>"below the lower band by
" +
<SPAN
>WriteVal<FONT
face=Arial size=4>( <FONT
color=fuchsia>100 *( bbot-<SPAN
>C )/ width, <SPAN
>1.1 ) + <SPAN
>"%. " +
<SPAN
>WriteIf<FONT
face=Arial size=4>( trend
< 30, <FONT
color=fuchsia>" This combined with the steep
downtrend can suggest that the downward trend in prices has a good chance of
continuing. However, a short-term pull-back inside the bands is
likely.",
<SPAN
>WriteIf<FONT
face=Arial size=4>( trend
> 30
AND trend < <FONT
color=fuchsia>70, <FONT
color=fuchsia>"Although prices have broken the
lower band and a downside breakout is possible, the most likely scenario for
"+tname+" is to
continue within current trading range.", <FONT
color=fuchsia>"" ) ), <FONT
color=fuchsia>"" )
+
<SPAN
>WriteIf<FONT
face=Arial size=4>(
C > btop, <FONT
color=fuchsia>"above the upper band by
" +
<SPAN
>WriteVal<FONT
face=Arial size=4>( <FONT
color=fuchsia>100 *( <SPAN
>C- btop )/ width, <FONT
color=fuchsia>1.1 ) + <FONT
color=fuchsia>"%. "
+
<SPAN
>WriteIf<FONT
face=Arial size=4>( trend
> 70, <FONT
color=fuchsia>" This combined with the steep
uptrend suggests that the upward trend in prices has a good chance of
continuing. However, a short-term pull-back inside the bands is
likely.",
<SPAN
>WriteIf<FONT
face=Arial size=4>( trend
> 30
AND trend < <FONT
color=fuchsia>70, <FONT
color=fuchsia>"Although prices have broken the
upper band and a upside breakout is possible, the most likely scenario for
"+tname+" is to
continue within current trading range.", <FONT
color=fuchsia>"" ) ), <FONT
color=fuchsia>"" )
+
<SPAN
>WriteIf<FONT
face=Arial size=4>(
C < btop <SPAN
>AND ( ( btop - <SPAN
>C ) / width ) < <FONT
color=fuchsia>0.5,
<SPAN
>"below upper
band by "<SPAN
> +
<SPAN
>WriteVal<FONT
face=Arial size=4>( <FONT
color=fuchsia>100 *( btop -
C )/ width, <FONT
color=fuchsia>1.1 ) + <FONT
color=fuchsia>"%. ",
<SPAN
>WriteIf<FONT
face=Arial size=4>(
C < btop <SPAN
>AND <SPAN
>C > bbot , <SPAN
>"above bottom band by "
+
<SPAN
>WriteVal<FONT
face=Arial size=4>( <FONT
color=fuchsia>100 *( <SPAN
>C - bbot )/ width, <FONT
color=fuchsia>1.1 ) + <FONT
color=fuchsia>"%. ", <FONT
color=fuchsia>"" )
);
<SPAN
>WriteIf<FONT
face=Arial size=4>( (
trend > 30
AND trend < <FONT
color=fuchsia>70 <SPAN
>AND ( <SPAN
>C > btop <SPAN
>OR <SPAN
>C < bbot ) ) <SPAN
>AND <SPAN
>abs(relwidth) > <SPAN
>40,
<SPAN
>"This picture
becomes somewhat unclear due to the fact that Bollinger Bands are
currently"<SPAN
>,
<SPAN
>"Bollinger Bands
are "<SPAN
> )+
<SPAN
>WriteVal<FONT
face=Arial size=4>( <FONT
color=blue>abs( relwidth ), <FONT
color=fuchsia>1.1 ) + <FONT
color=fuchsia>"% "
+
<SPAN
>WriteIf<FONT
face=Arial size=4>(
relwidth > <SPAN
>0, <SPAN
>"wider" , <SPAN
>"narrower" ) +
<SPAN
>" than
normal."<SPAN
>;
<SPAN
>WriteIf<FONT
face=Arial size=4>( <FONT
color=blue>abs( relwidth ) < <FONT
color=fuchsia>40, <FONT
color=fuchsia>"The current width of the bands
(alone) does not suggest anything conclusive about the future volatility or
movement of prices.",<SPAN
>"")+
<SPAN
>WriteIf<FONT
face=Arial size=4>(
relwidth < -<SPAN
>40, <SPAN
>"The narrow width of the bands suggests low volatility
as compared to " + tname + <SPAN
>"'s normal range. Therefore, the probability of
volatility increasing with a sharp price move has increased for the near-term.
"+
<SPAN
>"The bands have
been in this narrow range for "<SPAN
> + <SPAN
>WriteVal(<SPAN
>BarsSince(<SPAN
>Cross(-<SPAN
>40,relwidth)),<SPAN
>1.0) + <SPAN
>" bars. The probability of a significant price move
increases the longer the bands remain in this narrow range."
,<SPAN
>"")+
<SPAN
>WriteIf<FONT
face=Arial size=4>(
relwidth > <SPAN
>40, <SPAN
>"The large width of the bands suggest high volatility
as compared to " + tname + <SPAN
>"'s normal range. Therefore, the probability of
volatility decreasing and prices entering (or remaining in) a trading range
has increased for the near-term. "+
<SPAN
>"The bands have
been in this wide range for "<SPAN
> + <SPAN
>WriteVal(<SPAN
>BarsSince(<SPAN
>Cross(relwidth,<SPAN
>40)),<SPAN
>1.0) + <SPAN
>" bars.The probability of prices consolidating into a
less volatile trading range increases the longer the bands remain in this wide
range." ,<SPAN
>"");
<SPAN
>"\nThis
commentary is not a recommendation to buy or sell. Use at your own
risk."<SPAN
>;
<SPAN
>
<SPAN
>===========================================================================
<FONT face="Times New Roman"
size=2>----- Original Message -----
<BLOCKQUOTE
>
<FONT
face=Arial size=2><SPAN
>From:<FONT
face=Arial> <A title=johanskatt@xxxxxxxx
href="">johsun
<FONT face=Arial
size=2><SPAN
>To:<FONT
face=Arial> <A
title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
<FONT face=Arial
size=2><SPAN
>Sent:<FONT
face=Arial> Tuesday, April 13, 2004 2:32
PM
<FONT face=Arial
size=2><SPAN
>Subject:<FONT
face=Arial> [amibroker] Re: Modify Price
Chart
<FONT face="Times New Roman"
size=2>
<FONT face="Times New Roman"
size=2>Hello,just past the code below
(I made some changes to the plot statement)*above* the first line in
main price chart code, the one that says
//--Indicator-End--.btop = BBandTop( C, Prefs( 4 ), Prefs(8)/100
);bbot = BBandBot( C, Prefs(4), Prefs(8)/100 );width = btop
-
bbot;PctChange=100*(width-Ref(width,-1))/Ref(width,-1);Plot(PctChange,"BwidthPctChg",colorBlack,styleNoDraw);Johan---
In amibroker@xxxxxxxxxxxxxxx,
"mrdavis9" <mrdavis9@x...>
wrote:> All I really want to do is to add to the built-in Price Chart
popup menu so that it will show this "BwidthPctChg" value at the
bottom of the menu.> > I have never tried to modify the
main price chart. I looked at the coding in it, and it is
way beyond what I do right now. I have other things I am working
on right now, so I don't want to stop what I am doing in order to learn
all about the coding in the price chart. It appears that you are
supposed to somehow make the output from all of those
WriteIf(statements) appear in the commentary window, which I have
yet to feel the need to use.> > I copied the built-in price
code to a custom indicator, deleted most of it, and then added the below
modification to it, and it works, but I would sure like to have this
function available in the built-in price chart. BTW, in this
custom version, the Bollinger bands ended up being super close together,
even before I multiplied by 100 for the last plot(statement).>
> I sure would appreciate it if a kind soul would post the completed
modification, and instruct me how to install it into the main price
chart so that it will appear in the popup menu. I assume it
involves those writeif() functions that I see in the code, which I
have also never used. later, Ron D> > movshort = MA(
C, Prefs(4) );> > movmed = MA( C, Prefs(6) );> >
movlong = MA( C, Prefs(28) );> > btop = BBandTop( C, Prefs( 4
), Prefs(8)/100 );> > bbot = BBandBot( C, Prefs(4),
Prefs(8)/100 );> > width = btop - bbot;> >
PctChange=(width-Ref(width,-1))/Ref(width,-1);> >
Plot(btop,"Btop",colorBlack,styleLine);> >
Plot(bbot,"Bbot",colorBlack,styleLine);> >
Plot(width,"Bwidth",colorBlack,styleNoLine,styleOwnScale);> >
Plot(PctChange*100,"BwidthPctChg",colorBlack,styleNoLine,styleOwnScale);>
> > > > ---> Outgoing mail is certified
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