private void generateFromFiles(List <BDFFile> files)
{
try
{
try
{
checkAreCompatible(files);
}
catch (Exception e)
{
throw new BDFIncompatibleFilesException("Files are not compatible", e);
}
files.Sort((x, y) => DateTime.Compare(x.header.StartDateTime, y.header.StartDateTime));
header = new BDFHeader();
header.DataFormat = files.First().header.DataFormat;
header.ChannelCount = files.First().header.ChannelCount;
header.SecondsPerDataRecord = files.First().header.SecondsPerDataRecord;
header.LocalSubject = string.Copy(files.First().header.LocalSubject);
header.LocalRecording = string.Copy(files.First().header.LocalRecording);
header.HeaderByteCount = 256 * (header.ChannelCount + 1);
header.StartDateTime = files.First().header.StartDateTime;
header.RecordCount = files.Last().header.RecordCount + (int)((files.Last().header.StartDateTime - files.First().header.StartDateTime).TotalSeconds);
channels = new BDFChannel[header.ChannelCount];
for (int i = 0; i < channels.Length; i++)
{
channels[i] = new BDFChannel();
channels[i].Header = new BDFChannelHeader();
channels[i].Header.Label = String.Copy(files.First().channels[i].Header.Label);
channels[i].Header.TransuderType = String.Copy(files.First().channels[i].Header.TransuderType);
channels[i].Header.Dimension = String.Copy(files.First().channels[i].Header.Dimension);
channels[i].Header.MinValue = files.First().channels[i].Header.MinValue;
channels[i].Header.MaxValue = files.First().channels[i].Header.MaxValue;
channels[i].Header.DigitalMin = files.First().channels[i].Header.DigitalMin;
channels[i].Header.DigitalMax = files.First().channels[i].Header.DigitalMax;
channels[i].Header.Prefiltered = String.Copy(files.First().channels[i].Header.Prefiltered);
channels[i].Header.SamplesPerDataRecord = files.First().channels[i].Header.SamplesPerDataRecord;
channels[i].Data = new int[channels[i].Header.SamplesPerDataRecord * header.RecordCount];
foreach (BDFFile file in files)
{
Array.Copy(file.channels[i].Data, 0, channels[i].Data, (int)((file.header.StartDateTime - header.StartDateTime).TotalSeconds) * channels[i].Header.SamplesPerDataRecord, file.channels[i].Data.Length);
}
}
}
catch (Exception e)
{
throw new BDFPatchException("Cannot patch files!", e);
}
}
private void readHeader()
{
try
{
header = new BDFHeader();
byte[] bytes = readBytes(8);
if (bytes.Length != 8 || bytes[0] != 255 || !Encoding.ASCII.GetString(bytes.Skip(1).ToArray()).Equals("BIOSEMI"))
throw new Exception(String.Format("{0} not BDFFile!", fileName));
header.LocalSubject = readStr(80);
header.LocalRecording = readStr(80);
header.StartDateTime = readDateTime();
header.HeaderByteCount = readStrInt(8);
header.DataFormat = readStr(44);
if (!header.DataFormat.Equals("24BIT"))
throw new Exception("Incorrect data format!");
header.RecordCount = readStrInt(8);
header.SecondsPerDataRecord = readStrInt(8);
header.ChannelCount = readStrInt(4);
channels = new BDFChannel[header.ChannelCount];
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i] = new BDFChannel();
channels[i].Header = new BDFChannelHeader();
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.Label = readStr(16);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.TransuderType = readStr(80);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.Dimension = readStr(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.MinValue = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.MaxValue = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.DigitalMin = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.DigitalMax = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.Prefiltered = readStr(80);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.SamplesPerDataRecord = readStrInt(8);
}
header.ChannelHeaders = new BDFChannelHeader[header.ChannelCount];
for (int i = 0; i < header.ChannelCount; i++)
{
header.ChannelHeaders[i] = channels[i].Header;
}
reader.ReadBytes(32 * header.ChannelCount);
if (header.RecordCount == -1)
{
int bytesPerDataRecord = 0;
for (int i = 0; i < header.ChannelCount; i++)
{
bytesPerDataRecord += (channels[i].Header.SamplesPerDataRecord * 3);
}
header.RecordCount = ((int)(new FileInfo(fileName)).Length - header.HeaderByteCount) / bytesPerDataRecord;
}
Size = header.RecordCount;
}
catch (Exception e)
{
throw new BDFHeaderReadException("Cannot read header from file " + fileName, e);
}
}
private void generateFromFiles(List<BDFFile> files)
{
try
{
try
{
checkAreCompatible(files);
}
catch (Exception e)
{
throw new BDFIncompatibleFilesException("Files are not compatible", e);
}
files.Sort((x, y) => DateTime.Compare(x.header.StartDateTime, y.header.StartDateTime));
header = new BDFHeader();
header.DataFormat = files.First().header.DataFormat;
header.ChannelCount = files.First().header.ChannelCount;
header.SecondsPerDataRecord = files.First().header.SecondsPerDataRecord;
header.LocalSubject = string.Copy(files.First().header.LocalSubject);
header.LocalRecording = string.Copy(files.First().header.LocalRecording);
header.HeaderByteCount = 256 * (header.ChannelCount + 1);
header.StartDateTime = files.First().header.StartDateTime;
header.RecordCount = files.Last().header.RecordCount + (int)((files.Last().header.StartDateTime - files.First().header.StartDateTime).TotalSeconds);
channels = new BDFChannel[header.ChannelCount];
for (int i = 0; i < channels.Length; i++)
{
channels[i] = new BDFChannel();
channels[i].Header = new BDFChannelHeader();
channels[i].Header.Label = String.Copy(files.First().channels[i].Header.Label);
channels[i].Header.TransuderType = String.Copy(files.First().channels[i].Header.TransuderType);
channels[i].Header.Dimension = String.Copy(files.First().channels[i].Header.Dimension);
channels[i].Header.MinValue = files.First().channels[i].Header.MinValue;
channels[i].Header.MaxValue = files.First().channels[i].Header.MaxValue;
channels[i].Header.DigitalMin = files.First().channels[i].Header.DigitalMin;
channels[i].Header.DigitalMax = files.First().channels[i].Header.DigitalMax;
channels[i].Header.Prefiltered = String.Copy(files.First().channels[i].Header.Prefiltered);
channels[i].Header.SamplesPerDataRecord = files.First().channels[i].Header.SamplesPerDataRecord;
channels[i].Data = new int[channels[i].Header.SamplesPerDataRecord * header.RecordCount];
foreach (BDFFile file in files)
{
Array.Copy(file.channels[i].Data, 0, channels[i].Data, (int)((file.header.StartDateTime - header.StartDateTime).TotalSeconds) * channels[i].Header.SamplesPerDataRecord, file.channels[i].Data.Length);
}
}
}
catch (Exception e)
{
throw new BDFPatchException("Cannot patch files!", e);
}
}
private void readHeader()
{
try
{
header = new BDFHeader();
byte[] bytes = readBytes(8);
if (bytes.Length != 8 || bytes[0] != 255 || !Encoding.ASCII.GetString(bytes.Skip(1).ToArray()).Equals("BIOSEMI"))
{
throw new Exception(String.Format("{0} not BDFFile!", fileName));
}
header.LocalSubject = readStr(80);
header.LocalRecording = readStr(80);
header.StartDateTime = readDateTime();
header.HeaderByteCount = readStrInt(8);
header.DataFormat = readStr(44);
if (!header.DataFormat.Equals("24BIT"))
{
throw new Exception("Incorrect data format!");
}
header.RecordCount = readStrInt(8);
header.SecondsPerDataRecord = readStrInt(8);
header.ChannelCount = readStrInt(4);
channels = new BDFChannel[header.ChannelCount];
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i] = new BDFChannel();
channels[i].Header = new BDFChannelHeader();
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.Label = readStr(16);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.TransuderType = readStr(80);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.Dimension = readStr(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.MinValue = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.MaxValue = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.DigitalMin = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.DigitalMax = readStrInt(8);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.Prefiltered = readStr(80);
}
for (int i = 0; i < header.ChannelCount; i++)
{
channels[i].Header.SamplesPerDataRecord = readStrInt(8);
}
header.ChannelHeaders = new BDFChannelHeader[header.ChannelCount];
for (int i = 0; i < header.ChannelCount; i++)
{
header.ChannelHeaders[i] = channels[i].Header;
}
reader.ReadBytes(32 * header.ChannelCount);
if (header.RecordCount == -1)
{
int bytesPerDataRecord = 0;
for (int i = 0; i < header.ChannelCount; i++)
{
bytesPerDataRecord += (channels[i].Header.SamplesPerDataRecord * 3);
}
header.RecordCount = ((int)(new FileInfo(fileName)).Length - header.HeaderByteCount) / bytesPerDataRecord;
}
Size = header.RecordCount;
}
catch (Exception e)
{
throw new BDFHeaderReadException("Cannot read header from file " + fileName, e);
}
}