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--- In amibroker@xxxxxxxxxxxxxxx, "global_investor"
<independent_opinion@xxxx> wrote:
> Hi Uenal,
>
> first of all I want to say that your ABtool is an interesting
> project. I took a brief look at it yesterday after purchasing
> Amibroker RT. I have developed an experimental plug-in DLL
> extension to Metastock, which calls via JNI the Java 2 virtual
> machine. The intention was however a totally different one than
> ABtool's objective: Rather than providing a set of external
commands
> to make programming in Metastock's formula language easier, the
> idea was to create an external environment within which indicators
> can be _entirely_ implemented in Java using all the nice stuff such
> as the collection classes, object orientation etc.
>
> But back to the topic before digressing too much: The fact that
you
> are able to implement the xxStudyGetNext() function in the next
> ABtool version shows that it is somehow possible to obtain all
study
> IDs for the studies drawn by the user.
>
> I have skimmed over the file adk.html included with the ADK and
> understand that AFL plug-ins have the ability to call internal
> Amibroker functions via the CallFunction() method of the site
> interface. But I'd like to know through which functions one can
> obtain things like the study and chart IDs for all the studies
drawn
> by the user for a specific stock.
>
> Further, it would be very useful and open up interesting
> possibilities if it was possible for plug-in developers to get
> information on every study the user has drawn in the charts for a
> specific stock, without being required to know in advance details
> such as chartID and studyID.
>
> With information on a study, I do not mean just the array of points
> returned by study() function, but also information such as StartX,
> StartY, EndX, EndY, StartBarNum, EndBarNum, LeftExtend, RightExtend.
>
> Also, Amibroker's concept of multiple chart sheets is very useful,
> but right now the chartID is a mess.
If you right-click on the pane, edit formula, you can see in the
upper right position a small Id:1252.
It works for AA just fine
L1=Study("AA",1252);
Buy=Cross(MA(C,50),L1);Sell=Ref(Buy,-4);
Hit scan and you will have the results for all stocks with an AA line.
One more info:
It is useless to write
L1=Study("AA",CHARTID=1252);
It would be the same to
L1=Study("AA",DIMITRIS=1252);
You only need the # 1252.
I hope it helps
DT
It is well possible that I
> have not yet really understood the chartID concept. It would be
> very useful if for any given chart pane one can obtain the
> information like the number of the chart sheet the chart pane is
> assigned to. Is this already possible? If so, it would be able
> for an external plug-in to issue an alert to the user as follows:
> "Ticker uvwx: Check chart sheet #3 for a trendline violation.".
>
> In short, what I propose (and I hope TJ listens if this is not yet
> possible with AB) is the introduction of methods through which for
> any given stock a plug-in can inquire about all studies the user
has
> drawn and then get information on these studies (without being
> required to have any knowledge of chartIDs and studyIDs in advance).
>
> It wouldn't be any problem if this information got only provided at
> a lower level like the site interface, this could even be an
> advantage. With tools like ABtool, this functionality could be
> made available at AFL level in a user-friendly form, but I'm
> personally interested in getting the information directly from
> Amibroker without having to use rely on other plugins.
>
> best regards,
>
> Wolfgang
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, uenal.mutlu@xxxx wrote:
> > Hello Wolfgang,
> > the plugin ABtool has the following implemented.
> > It will be released this Friday or Saturday.
> > UM
> > http://groups.yahoo.com/group/abtool/
> >
> >
> > STRING xxStudyGetNext(STRING currentStudyId, chartId=1)
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