NBarsUp NBarsDown using the same return variable ?

[aekzof]

Hi
When one has the N Bars Up and N Bars Down indicators and wishes to incorporate them into a strategy, an ambiguity arises because both indicators return the value 1 using the same return variable, value = 1.

protected override void OnBarUpdate()
{​
// Evaluates if we have 3 consecutive higher closes
double value=NBarsUp(3,true,true,true)[0];

if(value==1)
Print("We have three consecutive higher closes");​

// Evaluates if we have 3 consecutive lower closes
double value=NBarsDown(3,true,true,true)[0];

if(value==1)
Print("We have three consecutive lower closes");​

}

To resolve this issue, it is straightforward to correct it by modifying the names of the plots as follows:

AddPlot(new Stroke(Brushes.Crimson, 2), PlotStyle.Bar, NinjaTrader.Custom.Resource.NBarsDownTrigger);
AddPlot(new Stroke(Brushes.DarkCyan, 2), PlotStyle.Bar, NinjaTrader.Custom.Resource.NinjaScriptIndicatorDi ff);

By

AddPlot(new Stroke(Brushes.DarkCyan, 2), PlotStyle.Bar, "NBarsDownPlot");
AddPlot(new Stroke(Brushes.Crimson, 2), PlotStyle.Bar, "NBarsUpPlot");​

In the script, i can then use them as follows:

NBarsDownPlot[0] = 1;
NBarsUpPlot[1];​

What I wanted to understand is the meaning of NinjaTrader.Custom.Resource.NinjaScriptIndicatorDi ff and NinjaTrader.Custom.Resource.NBarsDownTrigger.
I noticed in the data box and both panels that there are two values:
Trigger=1 or 0,
Diff =1 or 0,
which are returned by these two indicators.
Where can I find these values, and how can I access them for use without modifying the code?
Thank you for the time you've dedicated to helping us.

[NinjaTrader_BrandonH]

Hello aezkof,

Thanks for your post.

These are custom NinjaTrader resources that are not documented or open source.

That said, NinjaTrader.Custom.Resource.NBarsDownTrigger is simply the plot name of the NBarsDown indicator which is 'Trigger'. This could be seen by adding the NBarsDown indicator to a chart and noting the name of the plot (Trigger) in the Indicators window.

NinjaTrader.Custom.Resource.NinjaScriptIndicatorDi ff is simply the plot name of the NBarsUp indicator which is 'Diff'. This could be seen by adding the NBarsUp indicator to a chart and noting the name of the plot (Diff) in the Indicators window.

You could access these values by accessing the plots of the NBarsDown and NBarsUp indicators as seen in the help guide documentation below.

NBarsDown: https://ninjatrader.com/support/help..._bars_down.htm
NBarsUp: https://ninjatrader.com/support/help..._up.htm

[aekzof]

Thank you for your response.
You've provided me with half of the answer.
However, if I use both indicators simultaneously, there's an issue because both return values with the variable "value" equal to 1.

protected override void OnBarUpdate()
{

doublevalue=NBarsDown(3,true,true,true)[0]; // Evaluates if we have 3 consecutive lower closes​
doublevalue=NBarsUp(3,true,true,true)[0];​// Evaluates if we have 3 consecutive higher closes​

if(value==1) // NBarsDown OR NBarsUp ?
Print("We have three consecutive ");
}​

My question
Is there another solution besides changing the plot name or adding a condition?




Thanks in advance.

[NinjaTrader_Jesse]

Hello aekzof,

You need to use seperate variables for those two lines of code, you are just seeing the second value because you redefined the variable.

double downValue =NBarsDown(3,true,true,true)[0]; // Evaluates if we have 3 consecutive lower closes​
double upValue =NBarsUp(3,true,true,true)[0];​// Evaluates if we have 3 consecutive higher closes​

Print("Down is " + downValue  + " Up value is " + upValue);​

[aekzof]

Thank you very much