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<FONT face=Arial color=#0000ff
size=2>Rakesh,
<FONT face=Arial color=#0000ff
size=2>
Here
is a first draft that you may find workable. The top 5 lines of your code are
designed to count bars. Rather than going to the trouble of entering the date
instead you may simply click on the bar you with to start the study from and you
will see the number of bars back listed in the title line of the chart. Take
that number and enter it in the function...
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>example SR(50) will plot your code for the last 50 bars. Since you
are eyeballing the chart it should be easy to find the important data points. In
your plot lines simply add the appropriate numbers I have not tested the
code but simply made a function of the code you posted....
Regards,Jayson <FONT face=Arial
color=#0000ff size=2>
/* WinMidas */
function<FONT color=#282828
size=2> SR(numdays)
{
TP = ( <FONT
face=Arial color=#0000ff>H<FONT
color=#0000ff> + <FONT
size=2>L<FONT
size=2> + C<FONT
face=Arial> ) / <FONT
size=2>3<FONT face=Arial
color=#0000ff> ;
pvol = TP * <FONT
size=2>V<FONT color=#282828
size=2> ;
cumpv = <FONT face=Arial
color=#0000ff size=2>Cum<FONT face=Arial
color=#0000ff>( pvol );
cumvol = <FONT
face=Arial>Cum(
V<FONT color=#282828
size=2> ) ;
basecumpv = <FONT
face=Arial>Ref( Cumpv,
-numdays);//<FONT color=#008000
size=2> numdays );
basecumvol = <FONT
face=Arial>Ref( Cumvol,
-numdays);//<FONT color=#008000
size=2>numdays) ;
sr1= cumpv - basecumpv ;
sr2= Cumvol - basecumvol
;
sr3<FONT
color=#0000ff>=sr1/sr2 ;
return<FONT face=Arial
color=#0000ff size=2> <FONT face=Arial
color=#0000ff>sr3;
}<FONT color=#282828
size=2>
PDS1=<FONT face=Arial
size=2>Param("1st
SR line",<FONT face=Arial
size=2>10,<FONT face=Arial
size=2>1,<FONT face=Arial
size=2>500,<FONT face=Arial
size=2>1<FONT
color=#0000ff>);
PDS2=<FONT face=Arial
size=2>Param("2nd
SR Line",<FONT face=Arial
size=2>50,<FONT face=Arial
size=2>1,<FONT face=Arial
size=2>500,<FONT face=Arial
size=2>1);<FONT
color=#0000ff size=2>
Plot<FONT color=#282828
size=2>(SR(pds1)<FONT color=#282828
size=2>,""<FONT color=#282828
size=2>,colorRed<FONT
color=#282828 size=2>,1<FONT
color=#282828 size=2>) ;<FONT face=Arial color=#0000ff
size=2>
Plot(SR(pds2),<FONT
face=Arial color=#ff00ff size=2>""<FONT face=Arial color=#282828
size=2>,colorBlue<FONT face=Arial
color=#282828 size=2>,1<FONT
face=Arial color=#282828 size=2>);
Plot<FONT color=#282828
size=2>(C<FONT
color=#282828 size=2>,""<FONT
color=#282828 size=2>,colorBlack<FONT
face=Arial>,<FONT
size=2>styleBar)
;
Title<FONT
color=#0000ff> ="Number of Days Past
"+WriteVal<FONT
size=2>(LastValue(<FONT
size=2>BarIndex())-BarIndex<FONT
size=2>(),1.0)+
EncodeColor(<FONT
size=2>colorDarkBlue) + <FONT
size=2>FullName() + " ["<FONT
size=2> + Name() + <FONT
size=2>"] " +<FONT
color=#0000ff size=2>
WriteVal<FONT color=#282828
size=2>(DateTime<FONT color=#282828
size=2>(),formatDateTime<FONT
face=Arial>) + <FONT color=#ff00ff
size=2>"\n" +<FONT
color=#0000ff size=2>
EncodeColor<FONT
color=#282828 size=2>(colorBrown<FONT
face=Arial>) + <FONT color=#ff00ff
size=2>"WinMidas Support/Resistance"<FONT color=#282828
size=2>;
<FONT face=Tahoma
size=2>-----Original Message-----From: Rakesh Sahgal
[mailto:rakeshsahgal@xxxxxxxxx]Sent: Wednesday, April 14, 2004
12:48 PMTo: amibroker@xxxxxxxxxxxxxxxSubject: RE:
[amibroker] Param Question
Jayson,
Thanks for the response.
Let me put the problem in perspective. Maybe then you can understand what
I need and tell me if it is possible with my rudimentary programming
skills.
I am working on the MIDAS method.
The support/resistance lines are date specific i.e. launched from
specific dates which are user selected by eye balling the chart.
I had written the code for this in MS which HarveyHP was kind enough to
ammend for use with Amibroker. The code is appended below for your
examination.
MIDAS CODE FOR AB
/*
WinMidas */eMonth = <FONT
color=#0000ff size=2>Param(<FONT color=#ff00ff
size=2>"Enter the Month - MM",<FONT color=#ff00ff
size=2>1,1<FONT
size=2>,12<FONT
face="Courier New">);eDate = <FONT color=#0000ff
size=2>Param("Enter the
Date - DD",1<FONT
size=2>,1,<FONT
color=#ff00ff size=2>31<FONT
size=2>);eYear = Param<FONT
size=2>("Enter the Year - YYYY"<FONT
size=2>,2004<FONT
size=2>,1980<FONT
size=2>,2100<FONT
face="Courier New">);DateNo = (eYear - <FONT
color=#ff00ff size=2>1900) * <FONT color=#ff00ff
size=2>10000 + eMonth * <FONT color=#ff00ff
size=2>100 + eDate
;numdays = BarsSince<FONT
size=2>(DateNum<FONT
face="Courier New">() == DateNo ) ;TP = ( H +
L + C ) / 3<FONT
face="Courier New"> ;pvol = TP * V ;cumpv =
Cum<FONT
face="Courier New">( pvol );cumvol = <FONT
color=#0000ff size=2>Cum(
V ) ;basecumpv = <FONT color=#0000ff
size=2>ValueWhen( numdays == <FONT color=#ff00ff
size=2>1, <FONT color=#0000ff
size=2>Ref( Cumpv, -<FONT color=#ff00ff
size=2>1 ), <FONT color=#ff00ff
size=2>1 ) ;basecumvol
= ValueWhen( numdays ==
1, <FONT
color=#0000ff size=2>Ref( Cumvol, -<FONT
color=#ff00ff size=2>1 ), <FONT color=#ff00ff
size=2>1 ) ;sr1 =
cumpv - basecumpv ;sr2 = Cumvol - basecumvol ;sr = sr1 / sr2
;Plot<FONT
size=2>(sr,""<FONT
face="Courier New">,colorRed,styleLine)
;Plot<FONT
size=2>(C,""<FONT
face="Courier New">,colorBlack,styleBar)
;Title = <FONT color=#0000ff
size=2>EncodeColor(colorDarkBlue) + <FONT
color=#0000ff size=2>FullName() + <FONT
color=#ff00ff size=2>" [" + <FONT
color=#0000ff size=2>Name() + <FONT color=#ff00ff
size=2>"] "
+WriteVal<FONT
size=2>(DateTime<FONT
size=2>(),formatDateTime) + <FONT color=#ff00ff
size=2>"\n"
+EncodeColor<FONT
size=2>(colorBrown) + "WinMidas
Support/Resistance";
====================================
Now as you can see it allows for only one launch of a S/R level.. This
code needs to be ammended so, that several SR levels can be launched from
differing dates.
I will appreciate your comments on the workability of what I am trying to
do per se and also in context of programming skills necessary for undertaking
this exercise.
Regards
Rakesh
Jayson <jcasavant@xxxxxxxxxxx> wrote:
<BLOCKQUOTE class=replbq
>
<FONT face=Arial color=#0000ff
size=2>Rakesh,
<FONT face=Arial color=#0000ff
size=2>One way would be to make your indicator a function then call the
function as many times as you wish in as many plot statements as you need.
Here is an example of a function for the tillson indicator that was
discussed at length by Dt a few weeks ago. Note the plot lines at the end of
the code where Ti3 is called using different
parameters....
Regards,Jayson
//the Ti3 average
function<FONT
color=#282828 size=2>
T3(price,periods,s)
{
e1=<FONT face=Arial
color=#0000ff size=2>EMA<FONT face=Arial
color=#0000ff>(price,periods);
e2=<FONT face=Arial
color=#0000ff size=2>EMA<FONT face=Arial
color=#0000ff>(e1,Periods);
e3=<FONT face=Arial
color=#0000ff size=2>EMA<FONT face=Arial
color=#0000ff>(e2,Periods);
e4=<FONT face=Arial
color=#0000ff size=2>EMA<FONT face=Arial
color=#0000ff>(e3,Periods);
e5=<FONT face=Arial
color=#0000ff size=2>EMA<FONT face=Arial
color=#0000ff>(e4,Periods);
e6=<FONT face=Arial
color=#0000ff size=2>EMA<FONT face=Arial
color=#0000ff>(e5,Periods);
c1=-s*s*s;
c2=<FONT
color=#0000ff>3*s*s+<FONT
size=2>3<FONT face=Arial
color=#0000ff>*s*s*s;
c3=-<FONT
color=#0000ff>6*s*s-<FONT
size=2>3*s-<FONT
size=2>3<FONT face=Arial
color=#0000ff>*s*s*s;
c4=<FONT
color=#0000ff>1+<FONT
size=2>3*s+s*s*s+<FONT
size=2>3<FONT face=Arial
color=#0000ff>*s*s;
<FONT face=Arial
color=#0000ff>Ti3=c1*e6+c2*e5+c3*e4+c4*e3;<FONT
color=#800000 size=2>
return<FONT color=#282828
size=2> ti3;
}
pd1=<FONT
color=#0000ff>Param(<FONT
size=2>"Long",40<FONT
size=2>,10,<FONT
size=2>100,<FONT
size=2>1<FONT face=Arial
color=#0000ff>);
pd2=<FONT
color=#0000ff>Param(<FONT
size=2>"Short" ,10<FONT
size=2>,5,<FONT
size=2>50,1<FONT
color=#282828 size=2>);<FONT color=#0000ff
size=2>
Plot<FONT color=#282828
size=2>(t3(C<FONT
color=#282828 size=2>,pd1,.71),"T3
" +<FONT color=#ff00ff
size=2>"("+<FONT color=#0000ff
size=2>WriteVal(pd1,<FONT
color=#ff00ff size=2>1.0)+<FONT
color=#ff00ff size=2>")",<FONT
size=2>colorYellow<FONT color=#282828
size=2>,1<FONT color=#282828
size=2>|styleThick<FONT
color=#282828 size=2>);<FONT
color=#0000ff size=2>
Plot<FONT color=#282828
size=2>(t3(C<FONT
color=#282828 size=2>,pd2,.74),<FONT color=#ff00ff
size=2>"T3" +<FONT color=#ff00ff
size=2>"("+<FONT color=#0000ff
size=2>WriteVal(pd2,<FONT
color=#ff00ff size=2>1.0)+<FONT
color=#ff00ff size=2>")",<FONT
size=2>colorBlue<FONT color=#282828
size=2>,1<FONT color=#282828
size=2>|styleThick<FONT
color=#282828 size=2>);
<FONT face=Tahoma
size=2>-----Original Message-----From: Rakesh Sahgal
[mailto:rakeshsahgal@xxxxxxxxx]Sent: Tuesday, April 13, 2004
10:50 PMTo: amibroker@xxxxxxxxxxxxxxxSubject:
[amibroker] Param Question
Group
Can someone please explain how I should go about plotting multiple
instances of an indicator with differing parameters in the same chart
pane?
In simple words lets say an oscillator of EMAs' of periodicities
3&10, 5&35 etc etc.The paremters are not predefined but are
manually entered.
TIA
Rakesh
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