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<span
>Hi Graham,
<span
>
<span
>Thanks for prompt response.
<span
>
<span
>I have changed my code as per your suggestions
with the caveat that I have changed the “+3” to “-3”
because you are computing from the start rather than the end of the data. The
values for the four co-ordinates seem to be correct when I plot them before
applying the LineArray function. However, when I activate the LineArray
function (‘Line’) then a warning pops-up “Error
2. Bad Argument(s)”. I have the QuickAFL™ switched on but it makes
no difference if I turn this feature off!
<span
>
<span
>The revised code is submitted below. I
would appreciate any help as to what I am doing wrong that will not accept the
code for AutoPlot.
<span
>
<span
lang=EN-NZ >/* JOHN CLAYBURG
BASED SUPPORT/RESISTANCE LINES
<span
lang=EN-NZ >
Coded by GBS May 2004
<span
lang=EN-NZ >
<span
lang=EN-NZ >/* CATEGORY 3
SUPPORT BREAKOUT TRIGGER FOR SHORTS: */
<span
lang=EN-NZ >LL_3_6 =
Ref(L,-6) > Ref(L,-3);
<span
lang=EN-NZ >LL_3_5 =
Ref(L,-5) > Ref(L,-3);
<span
lang=EN-NZ >LL_3_4 =
Ref(L,-4) > Ref(L,-3);
<span
lang=EN-NZ >LL_3_2 =
Ref(L,-2) > Ref(L,-3);
<span
lang=EN-NZ >LL_3_1 =
Ref(L,-1) > Ref(L,-3);
<span
lang=EN-NZ >LL_3_0
= L > Ref(L,-3);
<span
lang=EN-NZ >Cat3Sup = LL_3_6
AND LL_3_5 AND LL_3_4 AND LL_3_2 AND LL_3_1 AND LL_3_0;
<span
lang=EN-NZ >
<span
lang=EN-NZ >/* SUPPORT LINE
("SC") */
<span
lang=EN-NZ >Cat3 =
ValueWhen(Cat3Sup,BarIndex(),1)-3;
<span
lang=EN-NZ >y0=ValueWhen(Cat3Sup,Ref(L,-3),2);
<span
lang=EN-NZ >y1=ValueWhen(Cat3Sup,Ref(L,-3),1);
<span
lang=EN-NZ >x0=ValueWhen(Cat3Sup,BarIndex(),2)-3;
<span
lang=EN-NZ >x1=ValueWhen(Cat3Sup,BarIndex(),1)-3;
<span
lang=EN-NZ >//Line =
LineArray( x0, y0, x1, y1, 1); // Warning comes up "Error 2 - Bad
Argument(s)"
<span
lang=EN-NZ >//Plot(Line,"Cat3Sup
Line",colorDefault,1);// Dependent on "Line = LineArray..." not
working
<span
lang=EN-NZ >
<span
lang=EN-NZ >Plot(C,"C",
colorRed, styleCandle);
<span
lang=EN-NZ >Plot(y0,
"Trendline Bot y0", colorDefault,16);
<span
lang=EN-NZ >Plot(y1,
"Trendline Bot y1", colorBlue,1+4);
<span
lang=EN-NZ >Plot(x0,"x0",colorDefault,16); //test
only to check for correct bar value
<span
lang=EN-NZ >Plot(x1,"x1",colorDarkGrey,16);
//test only to check for correct bar value
<span lang=EN-NZ
>Plot(BarIndex(),"BarIndex()",colorDefault,16);
//test only to check for correct bar value
<span
>
<span
>Regards,
<span
>
Gordon Sutherland
<span
>
<span
>-----Original Message-----
From: Graham
[mailto:gkavanagh@xxxxxxxxxxxxx]
Sent: Saturday, 22 May 2004 4:27
p.m.
To: amibroker@xxxxxxxxxxxxxxx
Subject: RE: [amibroker] Re: Help
with Line Array Coding for Clayburg
<font size=3
face="Times New Roman">
<font size=2
face="Courier New">Tired to sort out what you
were doing, does this help you at least<font size=2
face="Courier New">
alternative way of doing it?
Cat3 = Valuewhen(Cat3Sup,barindex(),1)+3;
x0 = Valuewhen(Cat3Sup,barindex(),2)+3;
Cheers,
Graham
http://e-wire.net.au/~eb_kavan/
-----Original Message-----
From: Gordon Sutherland [mailto:gosuth@xxxxxxxxxx]
Sent: Saturday, May 22, 2004 12:09 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Help with Line Array
Coding for Clayburg
Hi,
I am new to AB (Std Version 4.56 Beta) and I am
working on porting my custom
indicators and systems over from my previous
software (AIQ and MetaStock).
Not being very good at programming at the best of
times, I have spent
several hours trying to get the coding right to
Plot custom Trendlines using
John Clayburg’s Category 3
Support/Resistance Lines. For the Line Array
function in AB I have gotten as far as getting the
y0/y1/x1 co-ordinates
coding sorted but the final hurdle of
‘x0’ has got be beat. Any help with my
coding would be greatly appreciated. The code I
have written so far is:
/* JOHN CLAYBURG BASED CATEGORY 3
SUPPORT/RESISTANCE LINES
as discussed in his
book "Four Steps To Trading Success" /*
/* CATEGORY 3 SUPPORT LINE: */
LL_3_6 = Ref(L,-6) > Ref(L,-3);
LL_3_5 = Ref(L,-5) > Ref(L,-3);
LL_3_4 = Ref(L,-4) > Ref(L,-3);
LL_3_2 = Ref(L,-2) > Ref(L,-3);
LL_3_1 = Ref(L,-1) > Ref(L,-3);
LL_3_0 =
L > Ref(L,-3);
Cat3Sup = LL_3_6 AND LL_3_5 AND LL_3_4 AND LL_3_2
AND LL_3_1 AND LL_3_0;
/* SUPPORT LINE ("SC") */
Cat3 = BarsSince(Cat3Sup)+3;
//Fx0 = BarCount - 1 - Cat3 -
ValueWhen(Cat3Sup,BarsSince(Cat3Sup)+3,2); //
NOT WORKING CORRECTLY
Fx1 = BarCount - 1 - Cat3; /* This gives me my x0
co-ordinate */
y0=ValueWhen(Cat3Sup,Ref(L,-3),2);
y1=ValueWhen(Cat3Sup,Ref(L,-3),1);
//x0=BarCount - 1 - ValueWhen(Cat3Sup,Cat3,2); //
NOT WORKING CORRECTLY
x1=BarCount - 1 - Cat3;
//Line = LineArray( x0, y0, x1, y1, 1 ); //
Pending sorting the x0 coding
out
Plot(C,"C", colorRed, styleCandle);
Plot(y0, "Trendline Bot y0",
colorDefault,16);
Plot(y1, "Trendline Bot y1",
colorBlue,1+4);
//Plot(???,"",colorDefault,16);
// Dependent on sorting Coding on
co-ordinate x0
//Plot(Cat3,"",colorDarkGrey,16); //
Working OK
TIA,
Regards,
Gordon Sutherland
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>
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