Using PNF as secondary series

[hliboi]

Hello and good day,

I'm trying to develop a indicator that can access some indicator values that are based on a PNF dataseries but using it in a minute chart.

        protected override void Initialize()
        {
            Add(new Plot(Color.FromKnownColor(KnownColor.Orange), PlotStyle.Bar, "Alert"));
            Overlay				= false;
//			AddPointAndFigure("$EURUSD", pType, baseperiod, box, reversal, PointAndFigurePriceType.Close, MarketDataType.Last); 
			AddPointAndFigure("$EURUSD", pType, baseperiod, box, reversal, PointAndFigurePriceType.Close, MarketDataType.Last); 

        }

  protected override void OnBarUpdate()
        {
			Alert.Set(0);
			if (CurrentBar < 2)
				return;
			if
			    (
				d9ParticleOscillator_V2(BarsInProgress [1],d9period,0).RawTrend[0]>0
				)
					{
		    Alert.Set(1);
			BackColorAll = Color.PaleGreen;
					}
			if
			    (
				d9ParticleOscillator_V2(BarsInProgress [1],d9period,0).RawTrend[0]<0
				)
				{
		    Alert.Set(-1);
			BackColorAll = Color.Coral;
				}		
        }

Im getting this error:

24-11-2014 11:00:43 Default Error on calling 'OnBarUpdate' method for indicator 'Signal1' on bar 2: You are accessing an index with a value that is invalid since its out of range. I.E. accessing a series [barsAgo] with a value of 5 when there are only 4 bars on the chart.


Could you help me?


Thank You

[NinjaTrader_Bertrand]

hliboi, first thing I would suggest doing is including a CurrentBars check for all your series (not just primary one).

https://www.ninjatrader.com/support/helpGuides/nt7/currentbars.htm

Next, to calcuate your indicator using the first added series data, just use BarsArray[1] for the IDataSeries parameter field in your method call (you currently point to BarsInProgress here).