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refactor(indicators): Removed InpPeriod, direct Alpha/Beta control

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This commit is contained in:
Toh4iem9
2026-01-01 13:43:05 +01:00
parent 857305ed9b
commit d86fafb038
1 changed files with 12 additions and 10 deletions
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Indicators/MyIndicators/Holt_Pro.mq5
+12 -10
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@@ -3,7 +3,7 @@
//| Copyright 2025, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property version "4.01" // Final unified architecture
#property version "4.20" // Removed InpPeriod, direct Alpha/Beta control
#property description "Professional Holt's Linear Trend Method, displaying either the"
#property description "MA line or a full forecast channel. Supports Standard and Heikin Ashi."
@@ -44,10 +44,10 @@ enum ENUM_DISPLAY_MODE
//--- Input Parameters ---
input group "Holt Model Settings"
input int InpPeriod = 20;
input double InpAlpha = 0.1;
input double InpBeta = 0.05;
input double InpAlpha = 0.1; // Level Smoothing Factor (0.0 - 1.0)
input double InpBeta = 0.05; // Trend Smoothing Factor (0.0 - 1.0)
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
input group "Display Settings"
input ENUM_DISPLAY_MODE InpDisplayMode = DISPLAY_MA_AND_CHANNEL;
input int InpForecastPeriod = 5; // Forecast period for the channel
@@ -77,16 +77,17 @@ int OnInit()
if(InpSourcePrice <= PRICE_HA_CLOSE) // Heikin Ashi source selected
{
g_calculator = new CHoltMACalculator_HA();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Pro HA(%d)", InpPeriod));
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Pro HA(%.2f, %.2f)", InpAlpha, InpBeta));
}
else // Standard price source selected
{
g_calculator = new CHoltMACalculator_Std();
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Pro(%d)", InpPeriod));
IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Pro(%.2f, %.2f)", InpAlpha, InpBeta));
}
//--- Check if creation was successful and initialize
if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpAlpha, InpBeta, InpForecastPeriod))
//--- Note: We pass 0 for period as it is ignored by the engine (uses internal fixed minimum)
if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(0, InpAlpha, InpBeta, InpForecastPeriod))
{
Print("Failed to initialize Holt MA Calculator.");
return(INIT_FAILED);
@@ -136,12 +137,13 @@ int OnCalculate(const int rates_total,
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
//--- Delegate the entire calculation to our calculator object
g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferHoltMA, BufferUpperBand, BufferLowerBand);
g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, BufferHoltMA, BufferUpperBand, BufferLowerBand);
//--- Hide buffers based on display mode
if(InpDisplayMode == DISPLAY_MA_ONLY)
{
for(int i = 0; i < rates_total; i++)
int start = (prev_calculated > 0) ? prev_calculated - 1 : 0;
for(int i = start; i < rates_total; i++)
{
BufferUpperBand[i] = EMPTY_VALUE;
BufferLowerBand[i] = EMPTY_VALUE;
@@ -152,4 +154,4 @@ int OnCalculate(const int rates_total,
return(rates_total);
}
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+