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MQL4Data/Bkp/Used/14020425/21-00/Indicators/x-saherelm.osc.mq4
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2024-01-25 04:05:58 +03:30

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/////////////////////////////////////////////////////////////////
//
// SaherElm IT Center OSC Indicator
// -------------------------------------------------------------
// this indicator provides OSC ...
//
// Maintainer:
// ------------
// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
//
////////////////////////////////////////////////////////////////
//
// Global Properties ...
#property copyright "Copyright 2023, SaherElm IT Center"
#property link "https://saherelm.ir"
#property version "1.00"
#property description "SaherElm OSC Indicator"
#property strict
//
// START Inputs ...
//
//
// FastOSC ...
// Short Cycle (Fast OSC) ...
input int fastOSCLength = 10; // FastOSC Length
input double fastOSCMultiplier = 1.0; // FastOSC Multiplier
//
// SlowOSC ...
// Medium Cycle (Slow OSC) ...
input int slowOSCLength = 30; // SlowOSC Length
input double slowOSCMultiplier = 3.0; // SlowOSC Multiplier
//
// END Inputs ...
//
//
// START Global Definitions: Variables, Properties and etc ...
//
//
// Includes our shared library ...
#include "../Libraries/x-saherelm.lib.mq4"
//
#property indicator_separate_window
//
// we have 2 buffer in this indicator ...
#property indicator_buffers 2
//
// also we have 2 line for draw on this indicator ...
#property indicator_plots 2
//
// Fast OSC ...
#property indicator_width1 1
#property indicator_color1 clrAqua
#property indicator_type1 DRAW_LINE
#property indicator_style1 STYLE_SOLID
//
// Slow OSC ...
#property indicator_width2 1
#property indicator_type2 DRAW_LINE
#property indicator_color2 clrFuchsia
#property indicator_style2 STYLE_SOLID
//
// set color of horizontal levels ...
#property indicator_levelcolor clrGray
//
// set style of horizontal levels ...
#property indicator_levelstyle STYLE_DOT
//
// Declare Buffers ...
#define fastOSCBufferIndex 0
#define slowOSCBufferIndex 1
//
double fastOSCBuffer[];
double slowOSCBuffer[];
//
// Used Indicators List ...
string rmaIndicatorName = "x-saherelm.rma";
//
// END Global Definitions: Variables, Properties and etc ...
//
//
// Start Event Handlers ...
//
//
// Initialization ...
int OnInit() {
//
// Initialize what we want ...
//
// Validating Input Parameters ...
if (
fastOSCLength < 0 ||
slowOSCLength < 0 ||
slowOSCLength <= fastOSCLength
) {
return INIT_PARAMETERS_INCORRECT;
}
//
// here we specify logging enabled or not ...
enableLogging = true;
//
// this is a Tag which attached to our Logger ...
logTag = "XS_OSC";
//
// set descriptions of horizontal levels ...
SetLevelValue(0, 0.0);
IndicatorSetString(INDICATOR_LEVELTEXT,0,"");
//
// set descriptions of horizontal levels ...
SetLevelValue(1, 0.5);
IndicatorSetString(INDICATOR_LEVELTEXT,1,"");
//
// set descriptions of horizontal levels ...
SetLevelValue(2, 1);
IndicatorSetString(INDICATOR_LEVELTEXT,2,"");
//
// Fast OSC Buffer ...
SetIndexBuffer(fastOSCBufferIndex, fastOSCBuffer);
SetIndexLabel(fastOSCBufferIndex, "Fast OSC");
SetIndexDrawBegin(fastOSCBufferIndex, fastOSCLength - 1);
//
// Slow OSC Buffer ...
SetIndexBuffer(slowOSCBufferIndex, slowOSCBuffer);
SetIndexLabel(slowOSCBufferIndex, "Slow OSC");
SetIndexDrawBegin(slowOSCBufferIndex, slowOSCLength - 1);
//
return(INIT_SUCCEEDED);
}
//
// Do Calculation ...
int OnCalculate(
const int rates_total,
const int prev_calculated,
const datetime &time[],
const double &open[],
const double &high[],
const double &low[],
const double &close[],
const long &tick_volume[],
const long &volume[],
const int &spread[]
) {
//
// this counts Available Bars ...
int limit;
//
// because in some cases we may have more than one input for
// calculation and we must prevent any calculation
// untill we pass the biggest input length, here we get max Input length
// and then wait until pass it ...
int maxLength = MathMax(fastOSCLength, slowOSCLength);
//
// input variable, we return 0 means nothing passed ...
if (rates_total < maxLength) {
return 0;
}
//
// found which candles calculated before ...
limit = (prev_calculated == 0) ? rates_total - maxLength - 1 : rates_total - prev_calculated + 1;
//
// this is the main loop of calculations, for each bar index ...
for (int i = limit - 1; i >= 0; i--) {
//
// Start Calculation here ...
// i is bar_index ...
//
CalculateOscillators(close, i);
}
//
return rates_total;
}
//
// De Initialization ...
void OnDeinit(const int reason) {
}
//
// END Event Handlers ...
//
//
// START Functions ...
//
//
void CalculateOscillators(
const double &close[],
const int &bar_index
) {
//
// FastOSC ...
// Short Cycle Calculations ...
int scl = fastOSCLength / 2;
int scl2 = scl / 2;
double maScl = iCustom(_Symbol, _Period, rmaIndicatorName, scl, 0, bar_index);
double scmAtr = iATR(_Symbol, _Period, scl, bar_index);
double scmOff = fastOSCMultiplier * scmAtr;
double maScl2 = iCustom(_Symbol, _Period, rmaIndicatorName, scl2, 0, bar_index);
double sctParam = maScl2 != 0 ? maScl2 : close[bar_index + 1];
double sct = sctParam + scmOff;
double scb = sctParam - scmOff;
//
// SlowOSC ...
// Medium Cycle Calculations ...
int mcl = slowOSCLength / 2;
int mcl2 = mcl / 2;
double maMcl = iCustom(_Symbol, _Period, rmaIndicatorName, mcl, 0, bar_index);
double mcmAtr = iATR(_Symbol, _Period, mcl, bar_index);
double mcmOff = slowOSCMultiplier * mcmAtr;
double maMcl2 = iCustom(_Symbol, _Period, rmaIndicatorName, mcl2, 0, bar_index);
double mctParam = maMcl2 != 0 ? maMcl2 : close[bar_index + 1];
double mct = mctParam + mcmOff;
double mcb = mctParam - mcmOff;
//
double scMM = (sct + scb) / 2;
//
double fastOCS = (close[bar_index] - mcb) / (mct - mcb);
fastOSCBuffer[bar_index] = fastOCS;
//
double slowOCS = (scMM - mcb) / (mct - mcb);
slowOSCBuffer[bar_index] = slowOCS;
}
//
// END Functions ...
//