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Thanks, dingo. Your server-client explanation was helpful. But I have
not been able to save the added code to my existing parameters.afl
file without getting an AFL syntax error. Where Herman has
function SS(FileName,String)
I've tried
function SS(parameters.afl,TestNumber)
also
function SS("parameters.afl","TestNumber")
and
function SS(parameters.afl,"TestNumber")
all with the same error. The context menu help screens haven't been
of any assistance in that regard. What should I enter in the place of
String and FileName? And I assume FileName in the RSI and ATR files
should also be parameters.afl?
Obviously I need some basic education on JavaScript, VBScript, or
whatever language this stuff is borrowed from. The help files in
AmiBroker assume a level of knowledge that I don't quite possess at
present. Any suggestions on books?
I appreciate all your efforts and apologize for being such a pain.
Ned
--- In amibroker@xxxxxxxxxxxxxxx, "dingo" <dingo@xxxx> wrote:
> H's code will do what you want but you need to learn what its doing
so you
> can modify it. Its not that complicated, really.
>
> There are 2 pieces: One containing a param statement and the other
not.
>
> the one containing the param statement and the SS function is
the "server"
> and the one with the RS Function goes into as many other indicators
as you
> wish and are the "clients".
>
> This is the way it works:
>
> After you change the param in indicator with the server code it
will write
> the new value out to disk via the call to the SS function.
>
> The client code will go into all of the other indicators that you
want
> driven by the server. When they refresh they will read the file and
will
> assign the value stored in that file to the variable used in the
indicator.
>
> d
>
>
> _____
>
> From: recce101 [mailto:ned@x...]
> Sent: Thursday, July 01, 2004 3:07 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Global Parameter??
>
>
> To better understand the issue and responses to this point, I have
> constructed three simple test files (Dimitris' description of what
> I'm trying to accomplish is exactly correct).
>
> Save the file Parameters.afl in ...AmiBroker\AFL\Include:
>
> /* -- Parameters -- */
>
> TestNumber=16;
>
> TestPeriod=Param("TestPeriod",10,5,20,1);
>
> Title="\\c55"
> +Name()
> +"\\c33 Parameters"
> +"\\c55 TestNumber: "
> +WriteVal(TestNumber,1.2)
> +" TestPeriod: "
> +WriteVal(TestPeriod,1.0);
>
> Save the file TestRSI.afl in ...AmiBroker\AFL:
>
> /* -- TestRSI -- */
>
> #pragma nocache
> #include<Parameters.afl>
>
> Plot(RSI(TestPeriod),"RSI",colorBrightGreen,styleLine);
>
> Title="\\c55"
> +Name()
> +"\\c33 TestRSI"
> +"\\c55 TestNumber: "
> +WriteVal(TestNumber,1.2)
> +" TestPeriod (for graph): "
> +WriteVal(TestPeriod,1.0);
>
> Save the file TestATR.afl in ...AmiBroker\AFL:
>
> /* -- TestATR -- */
>
> #pragma nocache
> #include<Parameters.afl>
>
> Plot(ATR(TestPeriod),"ATR",colorPink,styleLine);
>
> Title="\\c55"
> +Name()
> +"\\c33 TestATR"
> +"\\c55 TestNumber: "
> +WriteVal(TestNumber,1.2)
> +" TestPeriod (for graph): "
> +WriteVal(TestPeriod,1.0);
>
> Now, with all three visible on the same screen, note that the
TestRSI
> and TestATR panes display the TestNumber value of 16.00 and the
> graphs reflect the default TestPeriod value of 10, all picked up
from
> the Parameters.afl file.
>
> If the TestNumber value of 16 hard-coded in Parameters.afl is
changed
> to (say) 21 and Parameters.afl is SAVED, the TestNumber value in
each
> indicator pane updates to 21.00 immediately.
>
> But if the Parameters pane is right-clicked and the TestPeriod
slider
> is moved to (say) 15, only the TestPeriod read-out in Parameters
> changes to 15. Even re-saving Parameters.afl at this point has no
> effect on the TestRSI or TestAFL graphs, both of which remain on
the
> default 10. However, if either TestRSI or TestAFL is right-clicked,
a
> parameters slider appears and any changes will immediately update
> that pane, but that pane only.
>
> I would like to be able to right-click just one of the panes,
either
> Parameters or, if it's not really necessary for Parameters to be
> displayed, either the RSI or ATR pane, and have both graphs respond
> immediately to any TestPeriod change.
>
> For Herman: Thanks for the detailed response, but I wasn't able to
> follow everything you wrote and I don't completely understand which
> of your generic "example" statements would need to be replaced by
> my "actual" data. If your code would accomplish what I'm trying to
> do, and you have the time, it would be great if you could modify my
> test files accordingly so I can copy-paste and take it from there.
>
> Many thanks to everyone!
>
> Ned
>
>
>
> Check AmiBroker web page at:
> http://www.amibroker.com/
>
> Check group FAQ at:
> http://groups.yahoo.com/group/amibroker/files/groupfaq.html
>
>
>
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