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That is a nice idea.
Make sure the static variables are unique, don't collide. It would be
safest to use a prefix for each indicator you create. An example for
a CCI indicator would be
Pfx = "CCI";
fCCI = do your CCI calc here
StaticVarSet(Pfx + "CCI", fCCI);
This static var is visible to all other programs running on the
visible chart.
Also I think that AB scans the charts from top to bottom so make sure
the auto trading code is at the bottom so the data delivered to it is
fresh and not from the last scan. You can trace this and see what
happens.
But, I think you are going to run into problems when you try to back
test or optimize since AA only sees the formula you are back testing.
It will not see the other charts on a worksheet.
Another thing you can do is create an include file for each of the
indicators you want to use. Include them in the auto trading program
and also in the indicators you use in the other charts but don't plot
them in the auto trading program. Put the parameters in the indicator
file not your auto trading file. Set the default parameter in the
include and all charts will stay in sync. If you add arrows at the
buy points in each indicator you will see when they are contributing
to the trade condition.
This is an example I use in my AT program:
// cci include
pCCI = Param("CCI period", pCCI, 1, 20, 1);
pCCI = Optimize("CCI period", pCCI, 1, 20, 2);
fCCI = CCI(pCCI);
CCIlo = fCCI < -100;
CCIhi = fCCI > 100;
CCIup = fCCI > Ref(fCCI, -1);
CCIdn = fCCI < Ref(fCCI, -1);
if(PlotTrue)
Plot(fCCI, "\nCCI(" + NumToStr(pCCI, 1.0) + ")", colorGreen,
styleOwnScale);
Note that I have the default parameter set to the var name pCCI. When
I include it I set the value before the #include line. You don't have
to do this but it is one way to use the same include formula in many
programs but override the parameter in the using program(s). Then you
can set PlotTrue = True; before the #include to tell the indicator
whether to plot it or not. If would be false in your AT program and
true in your indicator.
Barry
--- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@xxx> wrote:
>
> You could try using StaticVarSet in your main pane. Then, refer to
the
> values using StaticVarGet in the sub panes. You might have to use
the
> View | Refresh All menu item to get the other panes to update after
> making any changes in the main pane, else activate each one in turn
to
> have them update automatically upon activation.
>
> Mike
>
> --- In amibroker@xxxxxxxxxxxxxxx, "brianw468" <wild21@> wrote:
> >
> > Can anyone help with the following, please:-
> > 1. I am developing an AFL to generate buy and sell signals by
combining
> > different indicators with variable parameters (to be optimised).
I
> > would like to generate a plot with price and one indicator in the
top
> > pane, and the other indicators in separate panes below this, to
reduce
> > clutter in the plots.
> > I know I could simply set up separate panes with the appropriate
> > indicators - BUT then the parameters would not be tied to those
used in
> > the main pane. Changing parameter values and ensuring consistency
> > across the panes would then become a chore.
> > 2. I had thought that the SECTION commands might help here, but
that
> > doesn't seem to be the case. In fact, on checking the
documentation I
> > can't find when it is either necessary or desirable to use these
> > commands. Does anyone know?
> > TIA
> >
> > Brian
> >
>
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