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LevelsAttribute

Summary

Levels Attribute. Applies metadata to enable the plot of level lines.

Remarks

Represents level lines. It is commonly used in Oscillators, for instance to add a zero line. Must be added before the indicator class declaration. Usage is same for both Python and C# indicators, you must define it as an attribute of base C# class of your indicator.

Signature 

1
public sealed class LevelsAttribute : Attribute

Namespace

cAlgo.API

Examples

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 namespace cAlgo.Indicators
 {
     [Levels(0, 50, 100)]
     [Indicator()]
     public class NewIndicator : Indicator
     //...

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 using cAlgo.API;
 using cAlgo.API.Indicators;
 namespace cAlgo
 {
     // This sample indicator shows how to use the LevelsAttribute to set levels on your indicator outputs
     [Levels(30, 70)]
     [Indicator(IsOverlay = false, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
     public class LevelsSample : Indicator
     {
         private RelativeStrengthIndex _rsi;
         [Parameter(DefaultValue = 0.0)]
         public double Parameter { get; set; }
         [Output("Main")]
         public IndicatorDataSeries Result { get; set; }
         protected override void Initialize()
         {
             _rsi = Indicators.RelativeStrengthIndex(Bars.ClosePrices, 20);
         }
         public override void Calculate(int index)
         {
             Result[index] = _rsi.Result[index];
         }
     }
 }

Properties

Levels

Summary

The array of price values that are ploted as level lines

Signature 

1
public double[] Levels {get; set;}

Return Value

double[]

Examples

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 namespace cAlgo.Indicators
 {
     // two level lines will be drawn at prices 20.0 and 80.5
     [Levels(20.0, 80.5)]
     [Indicator]
     public class NewIndicator : Indicator
     //...