Support Board

SCSFExport scsf_ForecastOscillator(SCStudyInterfaceRef sc)
{
  SCSubgraphRef ForecastOscillator = sc.Subgraph[0];
  SCSubgraphRef ZeroLine = sc.Subgraph[1];

  SCFloatArrayRef Avg = ForecastOscillator.Arrays[0];

  SCInputRef InputData = sc.Input[0];
  SCInputRef Period = sc.Input[1];


  if (sc.SetDefaults)
  {
    sc.GraphName = "Forecast Oscillator";

    sc.ValueFormat = 2;
    sc.DrawZeros = 1;
    sc.AutoLoop = 1;
sc.FreeDLL = 0;
    
    // subgraphs
    ForecastOscillator.Name = "Relative Volume";
    ForecastOscillator.DrawStyle = DRAWSTYLE_LINE;
    ForecastOscillator.PrimaryColor = COLOR_GREEN;
    ForecastOscillator.LineWidth = 2;

    ZeroLine.Name = "Zero";
    ZeroLine.DrawStyle = DRAWSTYLE_LINE;
    ZeroLine.LineStyle = LINESTYLE_DOT;
    ZeroLine.PrimaryColor = COLOR_DARKGRAY;
    ZeroLine.DisplayNameValueInWindowsFlags = 0;

    // inputs
    InputData.Name = "Input Data";
    InputData.SetInputDataIndex(SC_LAST);

    Period.Name = "Period";
    Period.SetInt(14);
    Period.SetIntLimits(1, MAX_STUDY_LENGTH);

    return;
  }

  SCFloatArrayRef BaseDataArray = sc.BaseDataIn[InputData.GetInputDataIndex()];

  sc.LinearRegressionIndicator(BaseDataArray, Avg, Period.GetInt());

  float InputValue = BaseDataArray[sc.Index];

  if (InputValue != 0)
    ForecastOscillator[sc.Index] = 100.0f * ((InputValue - Avg[sc.Index]) / InputValue);

  ZeroLine[sc.Index] = 0.0f;
}