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Bruce, thanks so much for the detailed reply. I knew how to get the file into the Include folder, I just wasn't sure which code I was supposed to add the "#include <DateRange.afl>" line to. I should have known it would go right into the Price code.
Thanks again, appreciate it.
Grant
--- In amibroker@xxxxxxxxxxxxxxx, "Bruce" <brucer@xxx> wrote:
>
> Grant -
>
> No problem, and all questions are valid. I'll try to do better about including a specific directions and an example in the future.
>
> Because many have their own favorite indicators or price charts that they use, "utility" functionality like this is best done as an #include file. If you have multiple panes in a chart, it can normally be included in multiple panes if you your want to be able to select the parameters from any one of them.
>
> SO, as a specific example, you would first determine what your standard include path is. From the menus, you would select Tools / Preferences and then the AFL tab. The grey text box with the first "Pick" button labeled "Standard include path" is it.
>
> You would copy DateRange.afl into that directory. BTW, it is normally "C:\Program Files\Amibroker\Formulas\Include".
>
> Now, let's say that you normally use the built-in chart from the Basic Charts folder called "Price (all in one)". You would edit the AFL by that name. There are several ways to do this. One straightforward way is to display the charts tab by selecting the View menu and checking Charts. Then, right click on Price (all in one) under the Basic Charts folder and select Edit. This will bring up the Formula Editor.
>
> At the top of the code window add the following line -
>
> #include <DateRange.afl>
>
> Then, select File / Save, and close the editor.
>
> Now, when you insert the indicator on a chart, you will see the Date Range selection in Parameters when you right click on the chart and select parameters, OR click on the chart and use CTRL-R.
>
> -- BruceR
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "NormH" <norm1@> wrote:
> >
> > Sorry for being such a dunce, but how exactly does one implement the DateRange.afl? I assume that the code is first placed in the Include folder? And then it's called by adding an #include statement in the code? But in WHICH code am I supposed to add the #include statement?
> >
> > Thanks,
> >
> > Grant
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "Bruce" <brucer@> wrote:
> > >
> > > Tradinghumble -
> > >
> > > Allow me to offer a couple of comments -
> > >
> > > * First, glad you found the DateRange.afl on AmibrokerU.com useful.
> > > As Keith said, source AFL's are there to be added to, modified, etc.
> > > For example, you might want to add shorter display ranges for intra-day
> > > charts.
> > >
> > > * IMO, the power of Amibroker is the ability to make use of its many
> > > "capabilities and hooks" to customize it. That being said, the question
> > > is when to draw the line, and to suggest and wait for Tomasz to add a
> > > facility - particularly when the way in which we might try to simulate
> > > it would have limitations. PLUS, Tomasz always seems to find better
> > > ways to integrate enhancement requests.
> > >
> > > * With a minor restructure, but a few limitations, I could add code
> > > to DateRange.afl to set the chart ranges at start-up to the last known
> > > period set thru DateRange. I might still do this, but it is probably
> > > more applicable as a general example of how to do special things at
> > > first execution of a chart.
> > > * I believe what you are pointing out is a valid, useful enhancement
> > > request. IMO, this should be posted to the feedback center. It seems
> > > like a layout should remember the last range. It already remembers the
> > > periodicity when saved, so the range is a logical step.
> > >
> > > -- BruceR
> > >
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "tradinghumble" <sharp2be@> wrote:
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "booker_1324" booker_1324@ wrote:
> > > > >
> > > > > tradinghunble, no I am not overlooking those software packages. I
> > > have used QT and consider it more of a toy for that very reason. It's
> > > been a while since I have used Stockcharts and Bigcharts and even then
> > > it was only to check the closing prices. The others that you mentioned
> > > are either limited or come up short of the power of Amibroker. I still
> > > do not know why you would want to display a set number of bars. Maybe I
> > > am missing something. Could you enlighten me as to the advantage of
> > > using a set number of bars?
> > > > >
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "tradinghumble" <sharp2be@> wrote:
> > > > > >
> > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "booker_1324" <booker_1324@>
> > > wrote:
> > > > > > >
> > > > > > > I use 3 different software packages and none of them have a set
> > > number of bars for the chart. All have buttons to expand or contract the
> > > number of bars and I really do not understand why it should be any other
> > > way. You must have cut your eye teeth on one that does and have an
> > > adjustment to make. Old habits are hard to break.
> > > > > > >
> > > > > > >
> > > > > > > --- In amibroker@xxxxxxxxxxxxxxx, "tradinghumble" <sharp2be@>
> > > wrote:
> > > > > > > >
> > > > > > > > Every charting software out there has some way to say I want
> > > to display bars from xx/xx/xx to xx/xx/xx or say last 3 months, 6
> > > months, 2 years, etc... on a chart-by-chart basis... I always wondered
> > > why this is not available in Amibroker.
> > > > > > > >
> > > > > > > > Am I missing something here? Most people don't need it ? I
> > > find it very annoying to have a layout with multiple charts, different
> > > time frames and having to readjust every chart to my favorite number of
> > > bars everytime I open Amibroker (as it will load the number of bars
> > > defined in Parameters)...
> > > > > > > >
> > > > > > > > Has anyone here found a workaround for this? Thanks in advance
> > > > > > > >
> > > > > > >
> > > > > >
> > > > > > Booker - you may be overlooking a few software packages out there
> > > including some well know names such as Tradestation and QuoteTracker (as
> > > an example), Ninja Trader would be yet another example... if you want to
> > > also have a few web-based charting packages please look at
> > > www.stockcharts.com, www.prophet.net or even the oldest of them all
> > > www.bigcharts.com ... hope this helps you.
> > > > > >
> > > > >
> > > >
> > > > Booker, one of the reasons I'm like the functionality of limiting the
> > > number of bars but also "persisting/remembering" when I re-open the
> > > charting software is simply consistency. Couple of examples:
> > > >
> > > > When you build a layout with a daily, weekly and sometime intraday
> > > charts I like for example to have the daily charts set at 6 months,
> > > weekly at 2 years and 15-minute at 4 days... when I close Amibroker all
> > > the charts will be displaying the "same" number of bars (as set in the
> > > preference dialog)... not to mention that everytime I switch to a
> > > different layout it will also happen...
> > > >
> > > > here is another example -- say you want to setup a layout with about
> > > 10-20 small daily charts which will help getting a picture of these
> > > instructions "at a glance" -- I normally want to look at them OHLC, 1
> > > year chart... guess what, when I restart Amibroker they will all be back
> > > to the "parameters setting".. and when I switch to my "intraday
> > > monitoring" layout it will all be reset as well...
> > > >
> > > > The functionality I just described is present in QT, Tradestation,
> > > NinjaTrader and (I am 80% sure) Metastock...
> > > >
> > > > Finally I love to say I really enjoy Amibroker and is by far one of
> > > the most powerful TA chart out there at the moment... however, the
> > > functionality I just describe is "essential" to trades who look at
> > > multiple instruments/timeframes at once, otherwise it would not be
> > > present in other packages...
> > > >
> > > > Hope this helps and please don't take as a criticism to AB...
> > > >
> > >
> >
>
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