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Patrick,
Thank you.
FYI: A lot of scripting languages, such as Unix Shell scripting, are using 0 as the starting number. So, I guess AmiBroker is using the same convention. Cheers!
Eski
Hi Eski,
Yes you are right (though I did say that their numbering
isn't intuitively clear <VBG>). I realized that a few moments after
I sent my reply -- like watchlists, default colors, and a few other things,
AB starts it's numbering at 0.
Then again, maybe I'm just a Roman at heart who
never discovered zero. (and I apologize for calling you an
"eskimo")
Glad I could help.
Peace and Justice --- Patrick
----- Original Message -----
Sent: Thursday, December 10, 2009 9:56
PM
Subject: Re: [amibroker] layer number for
PlotShapes
Hi
Patrick,
Thank you very much. You helped me resolve the issue.
One minor
comment: you said:
"Layers 1 thru 5 are already defined by AB as Default,
Intraday, Daily, Weekly, and Monthly."
Shouldn't it be this:
"Layers 0
thru 4 are already defined by AB as Default, Intraday, Daily, Weekly, and
Monthly"?
Eski
Hi eskimo,
IMHO, Layers is one of the most useful (and perhaps unique to stock
charting) features of AB's charts. However one thing isn't intuitively
clear -- the numbering of them.
First, in your PlotShapes argument, there is a provision for specifying
a layer (0 or Default Layer is the default). The PlotShapes
arguments are: PlotShapes(shape, color, layer, yposition,
offset). Now the trick is to know what layer number you
assigned your signals to -- Layers 1 thru 5 are already defined by AB as
Default, Intraday, Daily, Weekly, and Monthly. So as you specified 2
in your PlotShapes code, it would only show up on Intraday charts
(unless you have deleted the stock layers) or when that layer
is active. NOTE: It's not the name you give the layer, but it's
number (like watchlists). Try figuring out the actual number of the
watchlist you named 2 (I have mine both numbered and named, in my instance
21 - Arrow Signals). Actually I have other layers for long and short (i.e.,
Trade Entry), and sell and cover (Trade Exit) for some charts as well; but
for testing code, all Arrow Signals works for me usually. Now verify
the number, put that number in your plotshapes code, check the box next to
that layer and your signals should appear.
Go wild with layers -- you can put an amazing amount of info on your
charts: Text (for Trade notes, commentary, events, news, earnings dates,
dividend dates, etc.), Lines ( for Trade entries, Trends,
S&R, fibs, etc) (and sorted by different timeframes) and more
and still not clutter up your chart because layers allows you to hide or
expose as you wish. Of course, you have to use parameters to
hid/expose things like MAs, or other afl drawn items, but not a big deal
(tho it would be nice to expose or hide all MAs at a click).
Have fun.
Peace and Justice --- Patrick
----- Original Message -----
Sent: Thursday, December 10, 2009
4:03 PM
Subject: [amibroker] layer number
for PlotShapes
Hi,
I have the following code to plot UP/DOWN arrows
for BUY/SELL. My question is how do I assign a layer number so that the
arrows only show up when layer number 2 is selected?
I created a
layer called "2" and it does not work.
Buy=Cross(MACD(),
Signal());
Sell=Cross(Signal(), MACD());
shape = Buy *
shapeUpArrow + Sell * shapeDownArrow;
Plot( Close, "Price", colorBlack,
styleCandle );
PlotShapes( shape, IIf( Buy, colorGreen, colorRed ), 2,
IIf( Buy, Low, High )
);
------------------------------------
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