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