//+------------------------------------------------------------------+ //| Percentage_Price_Oscillator.mq5 | //| Copyright © 2007 Tom Balfe | //| redcarsarasota@yahoo.com | //+------------------------------------------------------------------+ //---- Copyright #property copyright "Copyright © 2007 Tom Balfe" //---- link to the website of the author #property link "redcarsarasota@yahoo.com" #property description "This is a momentum indicator." #property description "Signal line is EMA of PPO." #property description "Follows formula: PPO=(FastEMA-SlowEMA)/SlowEMA" //---- Indicator version number #property version "1.00" //---- drawing indicator in a separate window #property indicator_separate_window //---- two buffers are used for the indicator calculation and drawing #property indicator_buffers 2 //---- two plots are used #property indicator_plots 2 //+----------------------------------------------+ //| Parameters of displaying horizontal levels | //+----------------------------------------------+ #property indicator_level1 0 #property indicator_levelcolor clrBlueViolet #property indicator_levelstyle STYLE_SOLID //+----------------------------------------------+ //| Indicator 1 drawing parameters | //+----------------------------------------------+ //---- drawing indicator 1 as a line #property indicator_type1 DRAW_LINE //---- Red is used for the line indicator color #property indicator_color1 clrRed //---- the line of the indicator 1 is a continuous curve #property indicator_style1 STYLE_SOLID //---- толщина линии индикатора 1 равна 1 #property indicator_width1 1 //---- displaying of the bullish label of the indicator #property indicator_label1 "PPO" //+----------------------------------------------+ //| Indicator 2 drawing parameters | //+----------------------------------------------+ //---- dawing the indicator 2 as a line #property indicator_type2 DRAW_LINE //---- DodgerBlue is used for the line indicator color #property indicator_color2 clrDodgerBlue //---- Indicator line is a solid one #property indicator_style2 STYLE_SOLID //---- indicator 2 line width is equal to 2 #property indicator_width2 2 //---- displaying of the bullish label of the indicator #property indicator_label2 "Signal PPO" //+----------------------------------------------+ //| CXMA class description | //+----------------------------------------------+ #include //+----------------------------------------------+ //---- declaration of the CXMA class variables from the SmoothAlgorithms.mqh file CXMA XMA1,XMA2,XMA3; //+----------------------------------------------+ //| declaration of enumerations | //+----------------------------------------------+ /*enum Smooth_Method - enumeration is declared in SmoothAlgorithms.mqh { MODE_SMA_, //SMA MODE_EMA_, //EMA MODE_SMMA_, //SMMA MODE_LWMA_, //LWMA MODE_JJMA, //JJMA MODE_JurX, //JurX MODE_ParMA, //ParMA MODE_T3, //T3 MODE_VIDYA, //VIDYA MODE_AMA, //AMA }; */ //+----------------------------------------------+ //| declaration of enumerations | //+----------------------------------------------+ enum Applied_price_ //Type of constant { PRICE_CLOSE_ = 1, //Close PRICE_OPEN_, //Open PRICE_HIGH_, //High PRICE_LOW_, //Low PRICE_MEDIAN_, //Median Price (HL/2) PRICE_TYPICAL_, //Typical Price (HLC/3) PRICE_WEIGHTED_, //Weighted Close (HLCC/4) PRICE_SIMPL_, //Simpl Price (OC/2) PRICE_QUARTER_, //Quarted Price (HLOC/4) PRICE_TRENDFOLLOW0_, //TrendFollow_1 Price PRICE_TRENDFOLLOW1_ //TrendFollow_2 Price }; //+----------------------------------------------+ //| Indicator input parameters | //+----------------------------------------------+ input Smooth_Method FastMethod=MODE_EMA; //method of fast averaging input uint FastLength=12; //depth of the fast averaging input int FastPhase=15; //Fast averaging parameter, //for JJMA, it varies within the range -100 ... +100 and influences on the quality of the transient period; // For VIDIA, it is a CMO period, for AMA, it is a slow moving average period input Smooth_Method SlowMethod=MODE_EMA; //method of slow averaging input uint SlowLength=26; //depth of slow averaging input int SlowPhase=15; //Slow averaging parameter //for JJMA, it varies within the range -100 ... +100 and influences on the quality of the transient period; // For VIDIA, it is a CMO period, for AMA, it is a slow moving average period input Smooth_Method SignMethod=MODE_EMA; //Smoothing method input uint SignLength=9; //Smoothing depth input int SignPhase=15; //Smoothing parameter, //for JJMA, it varies within the range -100 ... +100 and influences on the quality of the transient period; // For VIDIA, it is a CMO period, for AMA, it is a slow moving average period input Applied_price_ IPC=PRICE_CLOSE;//price constant input int Shift=0; // horizontal shift of the indicator in bars //+----------------------------------------------+ //---- declaration of dynamic arrays that // will be used as indicator buffers double PPOBuffer[],SignBuffer[]; //---- Declaration of integer variables of data starting point int min_rates_,min_rates_total; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { //---- Initialization of variables of the start of data calculation min_rates_=int(MathMax(XMA1.GetStartBars(FastMethod,FastLength,FastPhase),XMA1.GetStartBars(SlowMethod,SlowLength,SlowPhase))); min_rates_total=min_rates_+XMA1.GetStartBars(SignMethod,SignLength,SignPhase); //---- set SignBuffer dynamic array as an indicator buffer SetIndexBuffer(0,PPOBuffer,INDICATOR_DATA); //---- shifting the indicator 1 horizontally by Shift PlotIndexSetInteger(0,PLOT_SHIFT,Shift); //---- performing shift of the beginning of counting of drawing the indicator 1 by 1 PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,min_rates_total); //---- Setting the indicator values that won't be visible on a chart PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,EMPTY_VALUE); //---- Set the PPOBuffer dynamic array as an indicator buffer SetIndexBuffer(1,SignBuffer,INDICATOR_DATA); //---- shifting the indicator 1 horizontally by Shift PlotIndexSetInteger(1,PLOT_SHIFT,Shift); //---- performing shift of the beginning of counting of drawing the indicator 2 by 1 PlotIndexSetInteger(1,PLOT_DRAW_BEGIN,min_rates_total); //---- Setting the indicator values that won't be visible on a chart PlotIndexSetDouble(1,PLOT_EMPTY_VALUE,EMPTY_VALUE); //--- Creation of the name to be displayed in a separate sub-window and in a pop up help IndicatorSetString(INDICATOR_SHORTNAME,"Percentage_Price_Oscillator"); //--- Determining the accuracy of displaying the indicator values IndicatorSetInteger(INDICATOR_DIGITS,_Digits); //---- } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int OnCalculate( const int rates_total, // amount of history in bars at the current tick const int prev_calculated,// amount of history in bars at the previous tick const datetime &time[], const double &open[], const double& high[], // price array of maximums of price for the calculation of indicator const double& low[], // price array of price lows for the indicator calculation const double &close[], const long &tick_volume[], const long &volume[], const int &spread[] ) { //---- checking the number of bars to be enough for calculation if(rates_totalrates_total || prev_calculated<=0) // checking for the first start of the indicator calculation { first=0; // starting number for calculation of all bars } else first=prev_calculated-1; // Starting index for the calculation of new bars //---- main cycle of calculation of the indicator for(int bar=first; bar