//+------------------------------------------------------------------+");
//| Custom indicator initialization function |");
//| Called by Alveo to initialize the EMA Indicator at startup. |");
//+------------------------------------------------------------------+");
protected override int Init()
{
try
{
// ENTER YOUR CODE HERE
IndicatorBuffers(indicator_buffers); // Allocates memory for buffers used for custom indicator calculations.
SetIndexBuffer(0, UpTrend); // binds a specified indicator buffer with one-dimensional dynamic array of the type double.
SetIndexArrow(0, 159); // Sets an arrow symbol for indicators line of the DRAW_ARROW type. 159=dot.
SetIndexBuffer(1, DownTrend); // repeat for each buffer
SetIndexArrow(1, 159);
SetIndexBuffer(2, Consolidation);
SetIndexArrow(2, 159);
SetIndexStyle(0, DRAW_LINE, STYLE_SOLID); // Sets the shape, style, width and color for the indicator line.
SetIndexLabel(0, "EMA(" + IndPeriod + ").Bull"); // Sets description for showing in the DataWindow and in the tooltip on Chart.
SetIndexStyle(1, DRAW_LINE, STYLE_SOLID); // repeat for all 3 buffers
SetIndexLabel(1, "EMA(" + IndPeriod + ").Bear");
SetIndexStyle(2, DRAW_LINE, STYLE_SOLID);
SetIndexLabel(2, "EMA(" + IndPeriod + ").Mixed");
// Sets the "short" name of a custom indicator to be shown in the DataWindow and in the chart subwindow.
IndicatorShortName("EMA3 v1.0 (" + IndPeriod + "," + SlopeThreshold + ")");
ema = new EMAobj(IndPeriod, SlopeThreshold);
Print("EMA: Started. [" + Chart.Symbol + "] period=" + Period()); // Print this message to Alveo Log file on startup
}
catch (Exception ex)
{
Print("EMA: Init: Exception: " + ex.Message);
Print("EMA: " + ex.StackTrace);
}
return(0); // done
}
internal HEMAobj(int period, int threshold) : this() // do HEMA() first
{
Period = period;
Threshold = (double)threshold * 1e-6;
sqrtPeriod = Math.Sqrt(Period);
ema1 = new EMAobj(period, threshold);
ema2 = new EMAobj(period / 2, threshold);
ema3 = new EMAobj(sqrtPeriod, threshold);
}
internal DTEMAobj(int period, int threshold) : this()
{
if (period < 1)
{
throw new Exception("DTEMAobj: period < 1, invalid !!");
}
if (threshold < 1)
{
throw new Exception("DTEMAobj: Threshold < 1, invalid !!");
}
Period = (double)period;
Threshold = (double)threshold * 1e-6;
EMA1 = new EMAobj(Period, threshold);
EMA2 = new EMAobj(Period, threshold);
EMA3 = new EMAobj(Period, threshold);
}
