using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Xml.Serialization;
using NinjaTrader.Cbi;
using NinjaTrader.Gui;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Gui.SuperDom;
using NinjaTrader.Gui.Tools;
using NinjaTrader.Data;
using NinjaTrader.NinjaScript;
using NinjaTrader.NinjaScript.Indicators;
using NinjaTrader.Core.FloatingPoint;
using NinjaTrader.NinjaScript.DrawingTools;
#endregion
// This namespace holds Indicators in this folder and is required. Do not change it.
namespace NinjaTrader.NinjaScript.Indicators
{
public class CustomLinesIndicator : Indicator
{
private Series<double> upperLine;
private Series<double> lowerLine;
protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
Description = "Custom Lines Indicator";
Name = "CustomLinesIndicator";
Calculate = Calculate.OnBarClose;
IsOverlay = true;
DisplayInDataBox = true;
DrawOnPricePanel = true;
AddPlot(Brushes.Green, "UpperLine");
AddPlot(Brushes.Red, "LowerLine");
}
else if (State == State.DataLoaded)
{
upperLine = new Series<double>(this);
lowerLine = new Series<double>(this);
}
}
protected override void OnBarUpdate()
{
double smoothingFactor = 2.0 / (14 + 1); // EMA smoothing factor
double emaValue = Close[0]; // Initial EMA value
double upperValue = 0;
double lowerValue = 0;
if (CurrentBar == 0) // Skip calculation for the first bar
{
upperLine[0] = upperValue;
lowerLine[0] = lowerValue;
return;
}
for (int i = 1; i < CurrentBar + 1; i++)
{
emaValue = Close[i] * smoothingFactor + emaValue * (1 - smoothingFactor);
}
upperValue = emaValue * 1.5 + High[0];
lowerValue = Low[0] - emaValue * 1.5;
upperLine[0] = upperValue;
lowerLine[0] = lowerValue;
}
}
}
region NinjaScript generated code. Neither change nor remove.
namespace NinjaTrader.NinjaScript.Indicators
{
public partial class Indicator : NinjaTrader.Gui.NinjaScript.IndicatorRenderBase
{
private CustomLinesIndicator[] cacheCustomLinesIndicator;
public CustomLinesIndicator CustomLinesIndicator()
{
return CustomLinesIndicator(Input);
}
public CustomLinesIndicator CustomLinesIndicator(ISeries<double> input)
{
if (cacheCustomLinesIndicator != null)
for (int idx = 0; idx < cacheCustomLinesIndicator.Length; idx++)
if (cacheCustomLinesIndicator[idx] != null && cacheCustomLinesIndicator[idx].EqualsInput(input))
return cacheCustomLinesIndicator[idx];
return CacheIndicator<CustomLinesIndicator>(new CustomLinesIndicator(), input, ref cacheCustomLinesIndicator);
}
}
}
namespace NinjaTrader.NinjaScript.MarketAnalyzerColumns
{
public partial class MarketAnalyzerColumn : MarketAnalyzerColumnBase
{
public Indicators.CustomLinesIndicator CustomLinesIndicator()
{
return indicator.CustomLinesIndicator(Input);
}
public Indicators.CustomLinesIndicator CustomLinesIndicator(ISeries<double> input )
{
return indicator.CustomLinesIndicator(input);
}
}
}
namespace NinjaTrader.NinjaScript.Strategies
{
public partial class Strategy : NinjaTrader.Gui.NinjaScript.StrategyRenderBase
{
public Indicators.CustomLinesIndicator CustomLinesIndicator()
{
return indicator.CustomLinesIndicator(Input);
}
public Indicators.CustomLinesIndicator CustomLinesIndicator(ISeries<double> input )
{
return indicator.CustomLinesIndicator(input);
}
}
}
#endregion
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