I was able to change the back ground to blue for an up trend but the code to set back ground to magenta for a down trend make it goes blank.
Code:
//
// Copyright (C) 2006, NinjaTrader LLC <www.ninjatrader.com>.
// NinjaTrader reserves the right to modify or overwrite this NinjaScript component with each release.
//
#region Using declarations
using System;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.ComponentModel;
using System.Xml.Serialization;
using NinjaTrader.Data;
using NinjaTrader.Gui.Chart;
#endregion
// This namespace holds all indicators and is required. Do not change it.
namespace NinjaTrader.Indicator
{
/// <summary>
/// The TRIX (Triple Exponential Average) displays the percentage Rate of Change (ROC) of a triple EMA. Trix oscillates above and below the zero value. The indicator applies triple smoothing in an attempt to eliminate insignificant price movements within the trend that you're trying to isolate.
/// </summary>
[Description("The TRIX (Triple Exponential Average) displays the percentage Rate of Change (ROC) of a triple EMA. Trix oscillates above and below the zero value. The indicator applies triple smoothing in an attempt to eliminate insignificant price movements within the trend that you're trying to isolate.")]
public class TRIXc : Indicator
{
#region Variables
private int period = 8;
private int signalPeriod = 1;
private string sellText = @"SELL";
private Font pfont = new Font("Arial", 12, FontStyle.Bold, GraphicsUnit.Point);
private Color sColor = Color.Red;
private string buyText = @"BUY";
private Color bColor = Color.Black;
private int yPixels = 10;
private string upArrow = "Y";
#endregion
/// <summary>
/// This method is used to configure the indicator and is called once before any bar data is loaded.
/// </summary>
protected override void Initialize()
{
Add(new Plot(Color.Black, "Default"));
Add(new Plot(Color.Red, "Signal"));
Add(new Line(Color.DarkGray, 0, "Zero line"));
// Add(new Plot(Color.FromKnownColor(KnownColor.Orange), PlotStyle.Line, "Plot0"));
// Add(new Plot(Color.FromKnownColor(KnownColor.Red), PlotStyle.Line, "Plot1"));
}
/// <summary>
/// Calculates the indicator value(s) at the current index.
/// </summary>
protected override void OnBarUpdate()
{
if (CurrentBar == 0)
{
Value.Set(Input[0]);
return;
}
EMA tripleEma = EMA(EMA(EMA(Input, period), period), period);
double trix = 100 * ((tripleEma[0] - tripleEma[1]) / tripleEma[0]);
Default.Set(trix);
// if ((trix > 0) && (trix > ( 100 * ((tripleEma[1] - tripleEma[2]) / tripleEma[1]))))
Signal.Set(EMA(Default, signalPeriod)[0]);
if (trix < 0) upArrow = "Y";
if (trix > 0)
if (trix > 100 * ((tripleEma[1] - tripleEma[2]) / tripleEma[1]))
BackColor = Color.LightSeaGreen; // set back ground color
else if (upArrow == "Y")
{
DrawArrowDown("MyArrowDown"+CurrentBar, 0, High[0]+2* TickSize, Color.Red);
// DrawDot(CurrentBar.ToString(), 0, High[1] + 10 * TickSize, Color.Red);
// DrawText("MyText"+CurrentBar, true,"Sell", 0, High[0] + 12 * TickSize, Color.Red,pfont);
DrawText("V"+CurrentBar, true, sellText, 0, High[0] + 8 * TickSize, yPixels, sColor, pfont,
StringAlignment.Center, Color.Empty, Color.Empty, 10) ;
upArrow = "N";
}
// *********************** trouble code here ******************************
// if (trix < 0)
// if (trix > 100 * ((tripleEma[1] - tripleEma[2]) / tripleEma[1]))
// BackColor = Color.LightPink; // set back ground color
// *************************************************************************
// if (CrossBelow(TRIX(period, signalPeriod).Default, TRIX(period, signalPeriod).Signal, 1))
/* if (CrossBelow(TRIX(period, signalPeriod).Default, 0,1))
{
DrawArrowDown("MyArrowDown"+CurrentBar, 0, High[0]+2* TickSize, Color.Red);
// DrawDot(CurrentBar.ToString(), 0, High[1] + 10 * TickSize, Color.Red);
// DrawText("MyText"+CurrentBar, true,"Sell", 0, High[0] + 12 * TickSize, Color.Red,pfont);
DrawText("V"+CurrentBar, true, sellText, 0, High[0] + 8 * TickSize, yPixels, sColor, pfont,
StringAlignment.Center, Color.Empty, Color.Empty, 10) ;
}
//if (CrossAbove(TRIX(period, signalPeriod).Default, TRIX(period, signalPeriod).Signal, 1))
if (CrossAbove(TRIX(period, signalPeriod).Default, 0,1))
{
DrawArrowUp("MyArrowUp"+CurrentBar, 0, Low[0] -2* TickSize, Color.Orange);
// DrawText("MyText"+CurrentBar, "Buy", 0, Low[0] - 6 * TickSize, Color.Green);
DrawText("V"+CurrentBar, true, buyText, 0, Low[0] - 10 * TickSize, yPixels, bColor, pfont,
StringAlignment.Center, Color.Empty, Color.Empty, 10) ;
}
*/
}
#region Properties
/// <summary>
/// </summary>
[Description("Numbers of bars used for calculations.")]
[Category("Parameters")]
public int Period
{
get { return period; }
set { period = Math.Max(1, value); }
}
[Description("Period for the signal line.")]
[Category("Parameters")]
[Gui.Design.DisplayNameAttribute("Signal period")]
public int SignalPeriod
{
get { return signalPeriod; }
set { signalPeriod = Math.Max(1, value); }
}
/// <summary>
/// </summary>
[Browsable(false)]
[XmlIgnore]
public DataSeries Signal
{
get { return Values[1]; }
}
/// <summary>
/// </summary>
[Browsable(false)]
[XmlIgnore]
public DataSeries Default
{
get { return Values[0]; }
}
#endregion
}
}
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