Disparity Index by footon
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//==============================================================
// Forex Strategy Builder
// Copyright (c) Miroslav Popov. All rights reserved.
//==============================================================
// THIS CODE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
// EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE.
//==============================================================
using System;
using System.Drawing;
using ForexStrategyBuilder.Infrastructure.Entities;
using ForexStrategyBuilder.Infrastructure.Enums;
using ForexStrategyBuilder.Infrastructure.Interfaces;
namespace ForexStrategyBuilder.Indicators.Store
{
public class DisparityIndex : Indicator
{
public DisparityIndex()
{
IndicatorName = "Disparity Index";
PossibleSlots = SlotTypes.OpenFilter | SlotTypes.CloseFilter;
SeparatedChart = true;
//SeparatedChartMinValue = 0;
//SeparatedChartMaxValue = 3;
IndicatorAuthor = "Footon";
IndicatorVersion = "2.0";
IndicatorDescription = "Footon's indi corner: custom indicators for FSB and FST.";
}
public override void Initialize(SlotTypes slotType)
{
SlotType = slotType;
// The ComboBox parameters
IndParam.ListParam[0].Caption = "Logic";
IndParam.ListParam[0].ItemList = new string[]
{
" rises",
" falls",
" is higher than the level line",
" is lower than the level line",
" crosses the level line upward",
" crosses the level line downward",
" changes its direction upward",
" changes its direction downward"
};
IndParam.ListParam[0].Index = 0;
IndParam.ListParam[0].Text = IndParam.ListParam[0].ItemList[IndParam.ListParam[0].Index];
IndParam.ListParam[0].Enabled = true;
IndParam.ListParam[0].ToolTip = "Logic of application of the indicator.";
IndParam.ListParam[2].Caption = "Base price";
IndParam.ListParam[2].ItemList = Enum.GetNames(typeof(BasePrice));
IndParam.ListParam[2].Index = (int)BasePrice.Close;
IndParam.ListParam[2].Text = IndParam.ListParam[2].ItemList[IndParam.ListParam[2].Index];
IndParam.ListParam[2].Enabled = true;
IndParam.ListParam[2].ToolTip = "The price ";
IndParam.ListParam[3].Caption = "Smoothing method";
IndParam.ListParam[3].ItemList = Enum.GetNames(typeof(MAMethod));
IndParam.ListParam[3].Index = (int)MAMethod.Simple;
IndParam.ListParam[3].Text = IndParam.ListParam[3].ItemList[IndParam.ListParam[3].Index];
IndParam.ListParam[3].Enabled = true;
IndParam.ListParam[3].ToolTip = "method";
// The NumericUpDown parameters
IndParam.NumParam[0].Caption = "Period";
IndParam.NumParam[0].Value = 14;
IndParam.NumParam[0].Min = 1;
IndParam.NumParam[0].Max = 200;
IndParam.NumParam[0].Enabled = true;
IndParam.NumParam[0].ToolTip = "The period ";
IndParam.NumParam[1].Caption = "Level";
IndParam.NumParam[1].Value = 0;
IndParam.NumParam[1].Min = -20;
IndParam.NumParam[1].Max = 20;
IndParam.NumParam[1].Point = 1;
IndParam.NumParam[1].Enabled = true;
IndParam.NumParam[1].ToolTip = "A critical level (for the appropriate logic).";
/*IndParam.NumParam[2].Caption = "Deviations";
IndParam.NumParam[2].Value = 0.5;
IndParam.NumParam[2].Min = 0.1;
IndParam.NumParam[2].Max = 5;
IndParam.NumParam[2].Point = 1;
IndParam.NumParam[2].Enabled = true;
IndParam.NumParam[2].ToolTip = "The period of smoothing of the CMO value.";
IndParam.NumParam[3].Caption = "Average";
IndParam.NumParam[3].Value = 9;
IndParam.NumParam[3].Min = 1;
IndParam.NumParam[3].Max = 200;
IndParam.NumParam[3].Enabled = true;
IndParam.NumParam[3].ToolTip = "The period of smoothing of the CMO value.";*/
// The CheckBox parameters
IndParam.CheckParam[0].Caption = "Use previous bar value";
IndParam.CheckParam[0].Enabled = true;
IndParam.CheckParam[0].ToolTip = "Use the indicator value from the previous bar.";
return;
}
public override void Calculate(IDataSet dataSet)
{
DataSet = dataSet;
// Reading the parameters
BasePrice basePrice = (BasePrice)IndParam.ListParam[2].Index;
int Period = (int)IndParam.NumParam[0].Value;
/*int Average = (int)IndParam.NumParam[3].Value;
double Deviations = IndParam.NumParam[2].Value;*/
double dLevel = IndParam.NumParam[1].Value;
MAMethod maMethod = (MAMethod )IndParam.ListParam[3].Index;
int iPrvs = IndParam.CheckParam[0].Checked ? 1 : 0;
// Calculation
double[] DispBuffer = new double[Bars];
int iFirstBar = Period + 2;
double[] adBasePrice = Price(basePrice);
double[] adMA = MovingAverage(Period, 0, maMethod, adBasePrice);
for (int iBar = iFirstBar; iBar < Bars; iBar++)
{
DispBuffer[iBar] = ((adBasePrice[iBar] - adMA[iBar]) / adMA[iBar]) * 100;
}
// Saving the components
Component = new IndicatorComp[3];
Component[0] = new IndicatorComp();
Component[0].CompName = "DispBuffer";
Component[0].DataType = IndComponentType.IndicatorValue;
Component[0].ChartType = IndChartType.Line;
Component[0].ChartColor = Color.RoyalBlue;
Component[0].FirstBar = iFirstBar;
Component[0].Value = DispBuffer;
Component[1] = new IndicatorComp();
Component[1].ChartType = IndChartType.NoChart;
Component[1].FirstBar = iFirstBar;
Component[1].Value = new double[Bars];
Component[2] = new IndicatorComp();
Component[2].ChartType = IndChartType.NoChart;
Component[2].FirstBar = iFirstBar;
Component[2].Value = new double[Bars];
// Sets the Component's type
if (SlotType == SlotTypes.OpenFilter)
{
Component[1].DataType = IndComponentType.AllowOpenLong;
Component[1].CompName = "Is long entry allowed";
Component[2].DataType = IndComponentType.AllowOpenShort;
Component[2].CompName = "Is short entry allowed";
}
else if (SlotType == SlotTypes.CloseFilter)
{
Component[1].DataType = IndComponentType.ForceCloseLong;
Component[1].CompName = "Close out long position";
Component[2].DataType = IndComponentType.ForceCloseShort;
Component[2].CompName = "Close out short position";
}
// Calculation of the logic
IndicatorLogic indLogic = IndicatorLogic.It_does_not_act_as_a_filter;
switch (IndParam.ListParam[0].Text)
{
case " rises":
indLogic = IndicatorLogic.The_indicator_rises;
break;
case " falls":
indLogic = IndicatorLogic.The_indicator_falls;
break;
case " is higher than the level line":
indLogic = IndicatorLogic.The_indicator_is_higher_than_the_level_line;
break;
case " is lower than the level line":
indLogic = IndicatorLogic.The_indicator_is_lower_than_the_level_line;
break;
case " crosses the level line upward":
indLogic = IndicatorLogic.The_indicator_crosses_the_level_line_upward;
break;
case " crosses the level line downward":
indLogic = IndicatorLogic.The_indicator_crosses_the_level_line_downward;
break;
case " changes its direction upward":
indLogic = IndicatorLogic.The_indicator_changes_its_direction_upward;
break;
case " changes its direction downward":
indLogic = IndicatorLogic.The_indicator_changes_its_direction_downward;
break;
default:
break;
}
OscillatorLogic(iFirstBar, iPrvs, DispBuffer, dLevel, -dLevel, ref Component[1], ref Component[2], indLogic);
return;
}
///
/// Sets the indicator logic description
///
public override void SetDescription()
{
EntryFilterLongDescription = "the " + ToString() + " ";
EntryFilterShortDescription = "the " + ToString() + " ";
ExitFilterLongDescription = "the " + ToString() + " ";
ExitFilterShortDescription = "the " + ToString() + " ";
switch (IndParam.ListParam[0].Text)
{
case " rises":
EntryFilterLongDescription += "rises";
EntryFilterShortDescription += "falls";
ExitFilterLongDescription += "rises";
ExitFilterShortDescription += "falls";
break;
case " falls":
EntryFilterLongDescription += "falls";
EntryFilterShortDescription += "rises";
ExitFilterLongDescription += "falls";
ExitFilterShortDescription += "rises";
break;
case " is higher than the level line":
EntryFilterLongDescription += "is higher than the level line";
EntryFilterShortDescription += "is lower than the level line";
ExitFilterLongDescription += "is higher than the level line";
ExitFilterShortDescription += "is lower than the level line";
break;
case " is lower than the level line":
EntryFilterLongDescription += "is lower than the level line";
EntryFilterShortDescription += "is higher than the level line";
ExitFilterLongDescription += "is lower than the level line";
ExitFilterShortDescription += "is higher than the level line";
break;
case " crosses the level line upward":
EntryFilterLongDescription += "crosses the level line upward";
EntryFilterShortDescription += "crosses the level line downward";
ExitFilterLongDescription += "crosses the level line upward";
ExitFilterShortDescription += "crosses the level line downward";
break;
case " crosses the level line downward":
EntryFilterLongDescription += "crosses the level line downward";
EntryFilterShortDescription += "crosses the level line upward";
ExitFilterLongDescription += "crosses the level line downward";
ExitFilterShortDescription += "crosses the level line upward";
break;
case " changes its direction upward":
EntryFilterLongDescription += "changes its direction upward";
EntryFilterShortDescription += "changes its direction downward";
ExitFilterLongDescription += "changes its direction upward";
ExitFilterShortDescription += "changes its direction downward";
break;
case " changes its direction downward":
EntryFilterLongDescription += "changes its direction downward";
EntryFilterShortDescription += "changes its direction upward";
ExitFilterLongDescription += "changes its direction downward";
ExitFilterShortDescription += "changes its direction upward";
break;
default:
break;
}
return;
}
///
/// Indicator to string
///
public override string ToString()
{
string sString = IndicatorName +
(IndParam.CheckParam[0].Checked ? "* (" : " (") +
IndParam.ListParam[1].Text + ", " + // Price
IndParam.NumParam[0].ValueToString + ")"; // Period
return sString;
}
}
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146//+--------------------------------------------------------------------+ //| Copyright: (C) 2014, Miroslav Popov - All rights reserved! | //| Website: http://forexsb.com/ | //| Support: http://forexsb.com/forum/ | //| License: Proprietary under the following circumstances: | //| | //| This code is a part of Forex Strategy Builder. It is free for | //| use as an integral part of Forex Strategy Builder. | //| One can modify it in order to improve the code or to fit it for | //| personal use. This code or any part of it cannot be used in | //| another applications without a permission. Contact information | //| cannot be changed. | //| | //| NO LIABILITY FOR CONSEQUENTIAL DAMAGES | //| | //| In no event shall the author be liable for any damages whatsoever | //| (including, without limitation, incidental, direct, indirect and | //| consequential damages, damages for loss of business profits, | //| business interruption, loss of business information, or other | //| pecuniary loss) arising out of the use or inability to use this | //| product, even if advised of the possibility of such damages. | //+--------------------------------------------------------------------+ #property copyright "Copyright 2014, Miroslav Popov" #property link "http://forexsb.com" #property version "1.00" #property strict #include <Forexsb.com/Indicator.mqh> #include <Forexsb.com/Enumerations.mqh> //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ class DisparityIndex : public Indicator { public: DisparityIndex(SlotTypes slotType) { SlotType=slotType; IndicatorName="Disparity Index"; WarningMessage = ""; IsAllowLTF = true; ExecTime = ExecutionTime_DuringTheBar; IsSeparateChart = true; IsDiscreteValues = false; IsDeafultGroupAll = false; } virtual void Calculate(DataSet &dataSet); }; //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ void DisparityIndex::Calculate(DataSet &dataSet) { Data=GetPointer(dataSet); // Reading the parameters BasePrice basePrice=(BasePrice) ListParam[2].Index; int period=(int) NumParam[0].Value; double level=NumParam[1].Value; MAMethod maMethod=(MAMethod) ListParam[3].Index; int prvs=CheckParam[0].Checked ? 1 : 0; // Calculation double dispBuffer[]; ArrayResize(dispBuffer,Data.Bars); ArrayInitialize(dispBuffer, 0); int firstBar=period+2; double adBasePrice[]; Price(basePrice,adBasePrice); double ma[]; MovingAverage(period,0,maMethod,adBasePrice,ma); for(int iBar=firstBar; iBar<Data.Bars; iBar++) dispBuffer[iBar]=((adBasePrice[iBar]-ma[iBar])/ma[iBar])*100; // Saving the components ArrayResize(Component[0].Value,Data.Bars); Component[0].CompName = "DispBuffer"; Component[0].DataType = IndComponentType_IndicatorValue; Component[0].FirstBar = firstBar; ArrayCopy(Component[0].Value,dispBuffer); ArrayResize(Component[1].Value,Data.Bars); Component[1].FirstBar=firstBar; ArrayResize(Component[2].Value,Data.Bars); Component[2].FirstBar=firstBar; // Sets the Component's type if(SlotType==SlotTypes_OpenFilter) { Component[1].DataType = IndComponentType_AllowOpenLong; Component[1].CompName = "Is long entry allowed"; Component[2].DataType = IndComponentType_AllowOpenShort; Component[2].CompName = "Is short entry allowed"; } else if(SlotType==SlotTypes_CloseFilter) { Component[1].DataType = IndComponentType_ForceCloseLong; Component[1].CompName = "Close out long position"; Component[2].DataType = IndComponentType_ForceCloseShort; Component[2].CompName = "Close out short position"; } // Calculation of the logic IndicatorLogic indLogic=IndicatorLogic_It_does_not_act_as_a_filter; if(ListParam[0].Text==" rises") { indLogic=IndicatorLogic_The_indicator_rises; } else if(ListParam[0].Text==" falls") { indLogic=IndicatorLogic_The_indicator_falls; } else if(ListParam[0].Text==" is higher than the level line") { indLogic=IndicatorLogic_The_indicator_is_higher_than_the_level_line; } else if(ListParam[0].Text==" is lower than the level line") { indLogic=IndicatorLogic_The_indicator_is_lower_than_the_level_line; } else if(ListParam[0].Text==" crosses the level line upward") { indLogic=IndicatorLogic_The_indicator_crosses_the_level_line_upward; } else if(ListParam[0].Text==" crosses the level line downward") { indLogic=IndicatorLogic_The_indicator_crosses_the_level_line_downward; } else if(ListParam[0].Text==" changes its direction upward") { indLogic=IndicatorLogic_The_indicator_changes_its_direction_upward; } else if(ListParam[0].Text==" changes its direction downward") { indLogic=IndicatorLogic_The_indicator_changes_its_direction_downward; } OscillatorLogic(firstBar,prvs,dispBuffer,level,-level,Component[1],Component[2],indLogic); } //+------------------------------------------------------------------+
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Copyright © 2006 - 2025, Forex Software Ltd.;