Re: [amibroker] $64,000.00 Question for Tomasz?, AmiBroker Email List Archive

After going thru the 4 different methods you suggested for drawing lines, I come to the conclusion that

using the drawing tool “horizontal line” would be the most effective way to implement direct chart trading.

I realize I can draw 3 horizontal lines on the chart and then modify the properties as needed: color, study ID, etc…

but that is not efficient.

Also since the actual trading parameters would need to be in AFL it seems only logical to control horizontal lines at code level also.

So for the $64,000.00 question; Is it possible to create/access/control all of the properties that make up the “horizontal line” from the draw toolbar and reference them in AFL code?

Thanks for your reponse.

From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Tomasz Janeczko
Sent: Saturday, March 15, 2008 11:38 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Question for Tomasz?

Hello,

You can draw your lines using FOUR different methods:

a) PlotGrid - this function allows to plot horizontal grid line at any leve (the easiest method)

Plot( C, "Price", colorBlack, styleCandle );
PlotGrid( LastValue( Close ), colorRed ); // this example plots horizontal line at the value of last close

b) Plot - using regular Plot you are able to plot any line including horizontal lines:

Plot( C, "Price", colorBlack, styleCandle );
Plot( LastValue( C ), "LastClose", colorRed ); // this example plots horizontal line at the value of last close

c) you can draw trendlines (not only horizonal) using combination of Plot and LineArray:

Examples here:

http://www.amibroker.com/f?linearray

d) you can draw ANYTHING you can imagine, using low level gfx:

http://www.amibroker.com/guide/a_lowlevelgfx.html

Best regards,
Tomasz Janeczko
amibroker.com

----- Original Message -----

From: KBH

To: amibroker@xxxxxxxxxxxxxxx

Sent: Saturday, March 15, 2008 8:50 PM

Subject: [amibroker] Question for Tomasz?

Tomasz,

Are the properties that define the drawing tools somewhere in an AFL code? In other words I want to be able to

create a horizontal trend line thru AFL code and be able to control its behavior in my code.

The goal is trading from price chart by creating horizontal trend lines that would trigger entries, set stops and

targets, with a click of a button I want to place 3 or more trend lines in price pane and then be able to adjust

there location, once set then arm them and when price crosses orders are sent out.

I understand that I could use the horizontal trend line drawing tool to create 3 trend lines then go to properties

and set the study ID of each line. But I want to automate the process thru AFL.

Thanks for your input.

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