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Custom indicator using SeriesCalculatorBaseWithValues

Posted By allen80 6 Years Ago
Posted Sunday August 19 2012

I want to make a custom indicator using SeriesCalculatorBaseWithValues - which as I understand stores the whole series - which can be looked back etc.

But I don't know how to do this - the doc provides an example only for using the IndicatorBase.

What I want is a simple moving average example - so I know how to look at previous bar observation.

is there a sample example for this? full class code. That would be VERY useful for me to learn.


Posted Sunday August 26 2012
Posted Tuesday September 11 2012
Here is the code for the EMA indicator, which uses SeriesCalculatorBaseWithValues:

public class EMA : SeriesCalculatorBaseWithValues


         private int periods = 50;

         private int validCount = 0;

         private double yesterdaysMA = double.NaN;


         [ConstructorArgument("Periods"ConstructorArgumentType.Integer, "50", 1)]

         public EMA(int periods)



                 this.periods = periods;



         public EMA(int periods, ISeries input)






         protected override double CalcNewValue(int index)




                 if (double.IsNaN(yesterdaysMA))


                          yesterdaysMA = inputs[0].LookBack(index);



                  double todaysMA = IndicatorMath.EMAValue(inputs[0].LookBack(index), yesterdaysMA, periods);

                 yesterdaysMA = todaysMA;


                 if (validCount < periods)


                          return double.NaN;



                 return todaysMA;                  



         protected override void Reset()


                 yesterdaysMA = double.NaN;

                 validCount = 0;





Posted Thursday September 13 2012
great, will take a look at this now, thanks
Posted Thursday September 20 2012

I have now made the indicator - how to I import it into righedge as plugin? so that it's available on the indicator menu OR accessible by code? (i've just copied myindicator.dll from my VS project to the plugin folder)

Posted Friday September 21 2012
For it to be accessible by code, you need to add a reference in your trading system project. Right click on it in the project tree, select "Add Reference...", click on "Browse...", and find and select the DLL.

For it to show up in the indicator menu, dropping it in the plugin folder should be enough (though you'll need to restart RightEdge). There are some attributes that you need to give the indicator a name and ID and such which I didn't include in the source code I posted here, but you should be able to see in other samples.

Posted Friday September 21 2012
I tried adding a reference to MyIndicator.dll and get error below.

Not a valid .NET library, error: Could not load file or assembly 'C:\Program Files (x86)\Yye Software\RightEdge 2010\Plugins\MyIndicator.dll' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded.

so it seems RE only supports .NET 3.5?

compiling for .NET 3.5 works for code above, but I get error below!

Error   An object reference is required for the non-static field, method, or property 'RightEdge.Common.SeriesCalculatorBase.Current.get'   

and no intellisense is available!?

Edited: Friday September 21 2012 by allen80
Posted Monday September 24 2012
any update on this? thanks
Posted Tuesday September 25 2012
RE supports 4.0.

Add the following to your RightEdge config file (in the ‘RightEdge 2010’ folder):

    supportedRuntime version="v4.0" />

It should go just above ‘/configuration>’

You will need to include "<" before each of the lines above - I had to exclude due because this editor thinks it's html code.


Edited: Tuesday September 25 2012 by alpha23
Posted Tuesday September 25 2012
so will that resolve the error I get below? I compiled the plugin for .net 3.5 so don't think it's related to the .net version. Thanks

Error An object reference is required for the non-static field, method, or property 'RightEdge.Common.SeriesCalculatorBase.Current.get'

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