Coloring Transparent Plots

[Harry]

Have a small question:

If I add a new Plot(Color.Gray, " "), I can use PlotColors[] to overwrite the color for each bar. However, if I add a new Plot(Color.Transparent, " "), this does not work. Why?

Now you will ask, why I want to add a transparent plot. Sometimes I simply do not want to display it and I also want to access the indicator via another indicator. In both cases, just to make it faster, I do not want to set the PlotColors.

I have found a small workaround via OnBarUpdate()

if (ShowPlot)
	Plots[0].Pen.Color = Color.Gray;
else 
	Plots[0].Pen.Color = Color.Transparent;

When changing indicator settings, via this code I make sure that the pen color is set to Gray first, when I want to display the Plot, so that setting PlotColors[0][0] is accepted. Also with this code I do not need to set the PlotColors, if ShowPlot is false.

But this approach is a somewhat ridiculous. It is like painting a balustrade twice, first using a varnish against the vicissitudes of NinjaTrader, then adding the paint on top for display.

[NinjaTrader_Bertrand]

Hi Harry, I'll look into it - I could reproduce your observation here, too.

[ETFVoyageur]

I also ran into this recently.

It occurred to me that it could be a feature, not a bug, so I did not post.

It makes it easy to turn a plot off, by setting its Pen to be transparent, without the need to also clear PlotColors. It is also non-destructive -- you can turn the plot back on and PlotColors will have been preserved.

--EV

[NinjaTrader_Bertrand]

Guys, we looked into it and unfortunately an expected limitation you're running into, transparent can't be overwritten as they are custom handled in terms of scaling.