160 lines
3.3 KiB
Plaintext
160 lines
3.3 KiB
Plaintext
///////////////////////////////////////////////////////
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//
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// SaherElm IT Center Momentum Oscillator
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// ---------------------------------------------
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// saherelm implementation of above oscillator ...
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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 Momentum Oscillator"
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#property strict
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//
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// START Inputs ...
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//
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input int length = 7; // Market Length
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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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#property indicator_separate_window
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//
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#property indicator_buffers 1
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//
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#property indicator_level1 0.0
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#property indicator_level2 100.0
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#property indicator_levelcolor clrSilver
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#property indicator_levelstyle STYLE_DOT
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//
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// MOMENTUM ...
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#property indicator_width1 1
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#property indicator_color1 clrLightBlue
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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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// Declare Buffers ...
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#define momentumBufferIndex 0
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double momentumBuffer[];
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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 (length < 0) {
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return INIT_PARAMETERS_INCORRECT;
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}
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//
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IndicatorBuffers(1);
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//
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SetIndexBuffer(momentumBufferIndex, momentumBuffer);
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SetIndexLabel(momentumBufferIndex, "Momentum");
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SetIndexDrawBegin(momentumBufferIndex, length);
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//
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// initialization done ...
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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(0, length);
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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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// Calculate Long TP ...
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CalculateBuffers(
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i,
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close
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);
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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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// 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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void CalculateBuffers(
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const int bar_index,
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const double &close[]
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) {
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//
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// Calculate Buffers ...
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double momentum = close[bar_index] * 100 / close[bar_index + length];
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//
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momentumBuffer[bar_index] = momentum;
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}
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//
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// END Functions ...
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// |