private static void Example1_Create_And_Save_EDF()
{
//Crreate an empty EDF file
var edfFile = new EDF.File();
//Create a signal object
var ecgSig = new EDF.Signal();
ecgSig.Label.Value = "ECG";
ecgSig.SampleCountPerRecord.Value = 10;
ecgSig.PhysicalDimension.Value = "mV";
ecgSig.DigitalMinimum.Value = -2048;
ecgSig.DigitalMaximum.Value = 2047;
ecgSig.PhysicalMinimum.Value = -10.2325;
ecgSig.PhysicalMaximum.Value = 10.2325;
ecgSig.TransducerType.Value = "UNKNOWN";
ecgSig.Prefiltering.Value = "UNKNOWN";
ecgSig.Reserved.Value = "RESERVED";
ecgSig.Samples = new List <short> {
100, 50, 23, 75, 12, 88, 73, 12, 34, 83
};
//Set the signal
edfFile.Signals = new EDF.Signal[1] {
ecgSig
};
//Create the header object
var h = new EDF.Header();
h.RecordDurationInSeconds.Value = 1;
h.Version.Value = "0";
h.PatientID.Value = "TEST PATIENT ID";
h.RecordID.Value = "TEST RECORD ID";
h.RecordingStartDate.Value = "11.11.16"; //dd.mm.yy
h.RecordingStartTime.Value = "12.12.12"; //hh.mm.ss
h.Reserved.Value = "RESERVED";
h.RecordCount.Value = 1;
h.SignalCount.Value = (short)edfFile.Signals.Length;
h.Signals.Reserveds.Value = Enumerable.Repeat("RESERVED".PadRight(32, ' '),
h.SignalCount.Value).ToArray();
//Set the header
edfFile.Header = h;
//Print some info
Console.Write(
"\nPatient ID:\t\t" + edfFile.Header.PatientID.Value +
"\nNumber of signals:\t" + edfFile.Header.SignalCount.Value +
"\nStart date:\t\t" + edfFile.Header.RecordingStartDate.Value +
"\nSignal label:\t\t" + edfFile.Signals[0].Label.Value +
"\nSignal samples:\t\t"
+ String.Join(",", edfFile.Signals[0].Samples.Skip(0).Take(10).ToArray())
+ "\n\n"
);
//Save the file
string fileName = @"C:\temp\example.edf";
edfFile.Save(fileName);
//Read the file
var f = new EDF.File(fileName);
Console.ReadLine();
}
static void Main(string[] args)
{
//Example1_Create_And_Save_EDF();
//if(args.Length >= 1)
//Example2_Read_EDF_From_Base64(args[0]);
// Read and dump some data
if (args.Count() == 0)
{
Console.WriteLine("Error: Expecting path to folder as argument!");
// Exit code?
return;
}
string filepath = args[0];
DirectoryInfo d = new DirectoryInfo(filepath);
foreach (FileInfo fileInfo in d.GetFiles("*.edf"))
{
Console.WriteLine("======== EDF: " + fileInfo.Name + "========");
DateTime mark = DateTime.Now;
//
EDF.File edf = null;
int signalIndex = -1;
if (args.Count() == 1)
{
// No signal index specified, read the whole file
edf = new EDF.File(fileInfo.FullName);
}
else
{
// Signal specified, just read that one signal
using (edf = new EDF.File())
{
edf.Open(fileInfo.FullName);
// Read specified signals
for (int i = 1; i < args.Count(); i++)
{
Console.WriteLine("Reading signal: " + args[i]);
EDF.Signal signal = edf.ReadSignal(args[i]);
if (signal == null)
{
Console.WriteLine("ERROR: Signal " + args[i] + " not found");
}
}
}
}
// Print loading time
TimeSpan runTime = DateTime.Now - mark;
Console.WriteLine("Load time: " + runTime.TotalSeconds.ToString("0.00") + " s");
// Print headers
Console.WriteLine(edf.Header.ToString());
// Print signals intro
if (signalIndex < 0)
{
// Print all signal
foreach (EDF.Signal s in edf.Signals)
{
Console.WriteLine(s.ToString());
}
}
else
{
// Print the signal we loaded
Console.WriteLine(edf.Signals[signalIndex].ToString());
}
Console.WriteLine("=========================================\n");
//Console.WriteLine("Scaled sample test: " + edf.Signals[31].ScaledSample(0));
//TODO: Test saving files, I guess we would need to fix recording writing function
}
Console.ReadLine();
}
