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

["Fred" <ftonetti@xxxxxxxxxxxxx>]

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@xxx> 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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