public FFTWindow()
{
InitializeComponent();
_transform = new FFT();
_transform.init(10);
_heatmap2DArrayDataSeries = new Heatmap2DArrayDataSeries <double>(_spectrogramBuffer, ix => ix, iy => iy);
FirstCreateSeries();
LineRenderableSeries.DataSeries = _xyDataSeries;
HeatmapRenderableSeries.DataSeries = _heatmap2DArrayDataSeries;
UpdateDataOnTimerTick();
_timer = new DispatcherTimer(DispatcherPriority.Render)
{
Interval = TimeSpan.FromMilliseconds(10),
IsEnabled = true
};
_timer.Tick += TimerOnTick;
}
int RMSCount = 0; //current sample count for RMS calculation
#region ViewModel Constructor
public ViewModel()
{
VoltageDataSeries = new XyDataSeries <double, double>();
AmplitudeDataSeries = new XyDataSeries <double, double>();
DataSeries = new XyDataSeries <double, double>();
_transform = new FFT();
_transform.init(10);
IsFrequencyDomain = true;
_timerNewDataUpdate = new Timer(dt * 1000);
_timerNewDataUpdate.AutoReset = true;
_timerNewDataUpdate.Elapsed += OnNewData;
ViewportManager = new DefaultViewportManager();
VoltageDataSeries.FifoCapacity = FifoSize;
AmplitudeDataSeries.FifoCapacity = FifoSize / RMSSamples;
DataSeries.FifoCapacity = FifoSize;
MaxDb = new DoubleRange(0, 200);
_timerNewDataUpdate.Start();
}