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RE: [amibroker] Re: Controlling GraphZOrder on Bar by Bar Basis



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Fred: thanks, while your code does not "quite" do it, it is conceptually correct. It is hard to describe why your code is not "quitre" right.

I will try posting a graphic even thou it will not be saved.  I think you get individual messages so you should see what I mean by not "quite" right.

 
So far, my various attempts to alter the logic within the Plot have not produced the correct result.
 
I am using MACD of RUT and DJ30 with shortema=50 and longema = 200





-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Fred
Sent: Thursday, August 16, 2007 12:03 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Controlling GraphZOrder on Bar by Bar Basis

Oh I get it ...

Try this ...

A1 = AMA(C, 2 / (12 + 1));
A2 = AMA(C, 2 / (26 + 1));

MCD1 = A1 - A2;
MCD2 = AMA(MCD1, 2 / (9 + 1));

Plot(IIf((MCD1 < MCD2 AND MCD1 < 0) OR (MCD1 > MCD2 AND MCD1 > 0), MCD2, MCD1), "1", IIf(MCD1 < MCD2, colorRed,  colorBlue), styleHistogram);
Plot(IIf((MCD1 < MCD2 AND MCD1 < 0) OR (MCD1 > MCD2 AND MCD1 > 0), MCD1, MCD2), "2", IIf(MCD1 < MCD2, colorBlue, colorRed), styleHistogram);



--- In amibroker@xxxxxxxxxxxxxxx, "Fred" <ftonetti@xxx> wrote:
>
> When posting code it would be good if you at least provided he
source
> for datanames so that potential helpers don't have to make their own
> ...
>
> Plot works on arrays as you have written your statements not on points
> in the array so a loop would be at best superfluous.
>
> It would appear the only thing you are potentially changing from
one
> bar to the next is color so without the WriteVal's ...
>
> Plot(MCD2, "", IIf(MCD1 < MCD2, colorRed,  colorBlue),
> styleHistogram); Plot(MCD1, "", IIf(MCD1 < MCD1, colorBlue, colorRed),
> styleHistogram);
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Ken Close" <ken45140@> wrote:
> >
> > Seemingly simple one that is not answered in the help files. 
> Experimenting
> > with bar by bar for loop and if statements does not work either.
> > 
> > I would like to plot two simple MACD area plots having similar y
> axis
> > values.  Assume I make MACD1 Blue in color, MACD2 Red in color.
> > 
> > The GraphZOrder puts the first plotted variable on top and when
the
> value of
> > MACD1 is less than the value of MACD2, both are visible (plot in
> the back is
> > above plot in the front).
> > 
> > However, when the value reverses so that MACD1 is greater than
> MACD2, then
> > MACD2 is hidden from view (behind the area plot for MACD1).
> > 
> > Is it possible to "switch" which value is plotted on top so that
as
> the
> > values change, the greater value variable is always behind the
> lower value
> > variable?
> > 
> > Again, my implmentation of a for loop with an if statement did
not
> work.  I
> > used two Plot statements within the loop.
> > 
> > Any suggestions?
> > 
> > Thanks,
> > 
> > Ken
> > 
> > 
> > for (i = 0; i < BarCount; i++)
> > {
> > if (MCD1[i] < MCD2[i])
> > {
> > Plot(MCD2," [" + WriteVal(Shrt,1.0) + "/" + WriteVal(lng,1.0) + "]
> > MACD",colorRed,styleHistogram); Plot(MCD1," [" + WriteVal(Shrt,1.0)
> > + "/" + WriteVal(lng,1.0) + "] MACD",colorBlue,styleHistogram); }
> > else { Plot(MCD1," [" + WriteVal(Shrt,1.0) + "/" + WriteVal(lng,1.0)
> > + "] MACD",colorBlue,styleHistogram); Plot(MCD2," [" +
> > WriteVal(Shrt,1.0) + "/" + WriteVal(lng,1.0) + "]
> > MACD",colorRed,styleHistogram); } }
> >
>




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