Indicator in an Indicator

[ErikY]

If I have an indicator that I have created for visual purposes say not a price overlay, but I need the data I am recording in the plot, is there any special way to pull that indicator into a different indicator that I want to be a price overlay for calculation purposes? I know we are just dealing with classes here, but its not clear to me how to instantiate it and how to make sure it gets the same onBarUpdate calls as the indicator its going into. If there is a reference on this I am happy to read it, I searched and could not find anything. Thanks

[NinjaTrader_Jesse]

Hello ErikY,

There would not be anything special needed here, when calling an indicator from another indicator it would not be visual and would just be to retrieve the value. You would call your indicator in the same way that you would a system indicator. For example the bollinger has a Plot and it is called like this:

double upperValue = Bollinger(2, 20).Upper[0];

That would be done from OnBarUpdate where you wanted to use the indicator.

I look forward to being of further assistance.

[ErikY]

I see, so no need to initialize it or anything, just call the indicator. I will play around with it, thanks.

[NinjaTrader_Jesse]

Hello ErikY,

Right, Indicators specifically have an internal cache system so you never actually need to use the "new" keyword to create them. That's the code that gets added at the bottom of the indicator file for reference here. This is different from normal C# programming where you would have to use the new keyword to create an object.


I look forward to being of further assistance.