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Hi,
All I did was take your formula and add Plot(C,"", etc. It plots ok here
without buy sell arrows. The below formula copy to the formula editor,
verify and apply to a new/old chart, works here. If that doesn't work then
you might want to send a picture of what you get on your screen, please feel
free to do it directly. Also remember I am not a programmer, just learned by
trying and watching this list.
pds=30;
DonchianUpper =HHV(Ref(H,-1),pds);
DonchianLower = LLV(Ref(L,-1),pds);
DonchianMiddle = (DonchianUpper+DonchianLower)/2;
Plot(DonchianUpper,"DU",colorBlue,styleLine);
Plot(DonchianMiddle,"DM",colorGreen,styleLine);
Plot(DonchianLower,"DL",colorRed,styleLine);
Buy = H > Ref(HHV(H,30),-1);
BuyPrice = Ref(HHV(H,30),-1);
Sell = L < Ref(LLV(L,30),-1);
SellPrice = Ref(LLV(L,30),-1);
Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);
Plot(C,"",colorGreen,styleBar| styleThick);
Jerry Gress
Stockton, Ca.
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of electricwally77
Sent: Monday, November 03, 2008 2:48 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Show Donchian Channel on Chart
Jerry
>>>So check your view | layers to make sure you are on default.
Yes I'm on Default
>>>> Second make sure your background color of chart is not the same
as the price chart.
Yes, its ok.
Perhaps you can tell me how to code a basic 30 period donchian channel
so it appears on my chart. Much appreciated as I learn AFL code.
--- In amibroker@xxxxxxxxxxxxxxx, "Jerry Gress"
<pleasenospamplease@xxx> wrote:
>
> Hello electricwally 77!!
>
> Just took the code and charted fine, the price of underline. No
channels or
> buy sell arrows because they are not coded in sample code you gave
below.
> So check your view | layers to make sure you are on default. This
caught me
> out last week.
>
> Second make sure your background color of chart is not the same as
the price
> chart. Yes I know all red is weird, but when you have a black background
> chart then indicators plotted in black they do not show up.
>
>
> Lets see what the above does, then feel free to contact.
>
> Jerry Gress
> Stockton, Ca.
>
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
On Behalf
> Of electricwally77
> Sent: Monday, November 03, 2008 1:51 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Show Donchian Channel on Chart
>
> Jerry Thank you. I placed the line of code you recommended and still
> nothing appeared on my chart. Only the buy and sell arrows.
>
> Here is the code I ran.
>
> Plot( C, "Close", colorRed, styleBar | styleThick );
>
> pds=30;
> Buy = H > Ref(HHV(H,30),-1);
> BuyPrice = Ref(HHV(H,30),-1);
> Sell = L < Ref(LLV(L,30),-1);
> SellPrice = Ref(LLV(L,30),-1);
>
> Buy = ExRem(Buy,Sell);
> Sell = ExRem(Sell,Buy);
>
> Thanks
> Wally
>
>
>
>
>
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Jerry Gress"
> <pleasenospamplease@> wrote:
> >
> > Hello,
> >
> > By "price channel" do you mean plot the price of the underline?
> >
> > If so:
> >
> > Plot( C, "Close", barcolor, styleBar | styleThick );
> >
> > Note barcolor is determinded by indicators, just put 'colorgreen'.
> >
> > Hope this helps,
> >
> > Jerry Gress
> > Stockton, Ca.
> >
> > Ps. You newbies always back up your stuff!!!
> >
> > -----Original Message-----
> > From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
> On Behalf
> > Of electricwally77
> > Sent: Monday, November 03, 2008 11:57 AM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Show Donchian Channel on Chart
> >
> > Hello, I'm trying to show the 30 period donchian channel on my chart.
> > The code seemed to run okay but I'd like to see the price channel
> > displayed on my chart. Appreciate the help. The code is listed below.
> >
> > pds=30;
> > DonchianUpper =HHV(Ref(H,-1),pds);
> > DonchianLower = LLV(Ref(L,-1),pds);
> > DonchianMiddle = (DonchianUpper+DonchianLower)/2;
> >
> > Plot(DonchianUpper,"DU",colorBlue,styleLine);
> > Plot(DonchianMiddle,"DM",colorGreen,styleLine);
> > Plot(DonchianLower,"DL",colorRed,styleLine);
> >
> > pds=30;
> > Buy = H > Ref(HHV(H,30),-1);
> > BuyPrice = Ref(HHV(H,30),-1);
> > Sell = L < Ref(LLV(L,30),-1);
> > SellPrice = Ref(LLV(L,30),-1);
> >
> > Buy = ExRem(Buy,Sell);
> > Sell = ExRem(Sell,Buy);
> >
> >
> > ------------------------------------
> >
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> ------------------------------------
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> **** IMPORTANT ****
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> This is *NOT* technical support channel.
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> *********************
> TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail
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> *********************
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> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
> *********************************
> Yahoo! Groups Links
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------------------------------------
**** IMPORTANT ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
*********************
TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail directly to
SUPPORT {at} amibroker.com
*********************
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/
For other support material please check also:
http://www.amibroker.com/support.html
*********************************
Yahoo! Groups Links
------------------------------------
**** IMPORTANT ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
*********************
TO GET TECHNICAL SUPPORT from AmiBroker please send an e-mail directly to
SUPPORT {at} amibroker.com
*********************
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/
For other support material please check also:
http://www.amibroker.com/support.html
*********************************
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