public DataLineFile1D CreatePlot(RecordLineStream1D input, string directory)
{
Stream1DReader reader = null;
try {
reader = new Stream1DReader(
new System.IO.BinaryReader(
System.IO.File.Open(
System.IO.Path.Combine(directory, input.Path),
System.IO.FileMode.Open,
System.IO.FileAccess.Read,
System.IO.FileShare.Read
)
)
);
} catch (Exception ex) {
GlobalSettings.Instance.UserLog.Add(new FormMessage(this, LogMessage.LogType.Error, $"Can't create stream for file {input.Path}: {ex}"));
return(null);
}
var line = new DataLineFile1D(input.Path, reader, input.Samplerate, input.Begin);
line.LineColor = _colors[(_set.Data.Count + 1) % _colors.Length];
line.Visible = true;
_set.Data.Add(line);
return(line);
}
protected override void ProcessingStopped()
{
_running = false;
_thread?.Join();
_seekWindow?.Close();
_seekWindow?.Dispose();
_reader.Dispose();
_reader = null;
_seekWindow = null;
}
public override bool PrepareProcessing()
{
if (!File.Exists(FileName))
{
NodeSystemSettings.Instance.SystemHost.ReportError(this, $"File not found: {FileName}");
return(false);
}
try {
_reader = new Stream1DReader(
new BinaryReader(
File.Open(FileName, FileMode.Open, FileAccess.Read, FileShare.Read)
)
);
} catch (Exception e) {
NodeSystemSettings.Instance.SystemHost.ReportError(this, $"Could not open {FileName}. Unknown exception: {e}");
return(false);
}
if (_buffer == null || _buffer.Samplerate != Samplerate)
{
_buffer = new TimeLocatedBuffer(NodeSystemSettings.Instance.SystemHost.GetDefaultBufferSize(Samplerate), Samplerate);
}
_stateBag = new List <StateEntry>();
_buffer.ResetTime();
_fileTargetPosition = 0;
if (NodeSystemSettings.Instance.SystemHost.DockPanelInstance != null)
{
_seekWindow = new FileNodeWindow();
_seekWindow.Max = _reader.SampleCount;
_seekWindow.Min = 0;
_seekWindow.Value = 0;
_seekWindow.ValueBackground = 0;
}
_servedLookup = new List <bool>(Enumerable.Range(0, _portOut.Connections.Count).Select(i => false));
return(true);
}
public DataLineFile1D(string name, Stream1DReader reader, int samplerate, TimeStamp begin)
{
_zoomLevels = new [] { 64, 128, 256, 512, 1024, 2048, 4096, 8192, 2 * 8192 };
var biggestScreen = System.Windows.Forms.Screen.AllScreens.Max(screen => screen.WorkingArea.Size);
var bufferSize = biggestScreen.Width * _zoomLevels.First();
_begin = begin;
_reader = reader;
_samplerate = samplerate;
_floatTemp = new float[bufferSize];
_doubleTemp = new double[bufferSize];
_minMaxTemp = new MinMax[bufferSize];
_ringBuffer = new VertexRingBuffer(bufferSize);
_ringBufferMax = new VertexRingBuffer(bufferSize);
_ringBufferMin = new VertexRingBuffer(bufferSize);
Name = name;
ReadFile();
}
