public static EegChannelCollection?Collect(BrainVisionPackage filesContent)
{
IHeaderFileContentVer1 headerContent = filesContent.HeaderFileContent;
List <ChannelInfo>? inputChannels = headerContent.GetChannelInfos();
if (inputChannels == null)
{
return(null);
}
double samplingFrequency = Common.GetSamplingFrequencyFromSamplingInterval(headerContent.SamplingInterval !.Value);
EegChannelCollection eegChannels = new EegChannelCollection();
foreach (ChannelInfo inputChannel in inputChannels)
{
PrefixedUnit?channelUnits = Common.ConvertTextToPrefixedUnit(inputChannel.Unit);
if (channelUnits == null)
{
throw new NotSupportedException(string.Format(CultureInfo.InvariantCulture, Resources.UrecognizedUnitExceptionMessage, inputChannel.Unit, inputChannel.Name));
}
EegChannel eegChannel = new EegChannel(
//REQUIRED
name: inputChannel.Name,
type: ChannelType.EEG,
units: channelUnits.Value)
{
//OPTIONAL
SamplingFrequency = samplingFrequency,
//Reference = null,
//LowCutoff = null,
//HighCutoff = null,
//Notch = null,
};
eegChannels.Add(eegChannel);
}
return(eegChannels);
}
public static void Save(StreamWriter writer, IHeaderFileContentVer1 content)
{
List <ChannelInfo>?channelInfos = content.GetChannelInfos();
if (channelInfos != null)
{
writer.WriteLine();
writer.WriteLine(IniFormat.FormatSectionName(Definitions.GetSectionName(Definitions.Section.ChannelInfos) !));
FileSaverCommon.WriteCommentBlock(writer, content.InlinedComments.BelowChannelInfosSection);
for (int ch = 0; ch < channelInfos.Count; ++ch)
{
ChannelInfo channelInfo = channelInfos[ch];
string keyName = Invariant($"{Definitions.KeyChPlaceholder}{ch + 1}");
string keyValue = ConvertChannelInfoToString(channelInfo);
string line = IniFormat.FormatKeyValueLine(keyName, keyValue);
writer.WriteLine(line);
}
}
}
public static EegElectrodeCollection?Collect(BrainVisionPackage filesContent)
{
IHeaderFileContentVer1 headerContent = filesContent.HeaderFileContent;
List <Coordinates>? inputCoordinates = headerContent.GetChannelCoordinates();
if (inputCoordinates == null)
{
return(null);
}
List <ChannelInfo>?inputChannels = headerContent.GetChannelInfos();
int inputChannelsCount = inputChannels == null ? 0 : inputChannels.Count;
EegElectrodeCollection eegElectrodes = new EegElectrodeCollection();
for (int channelNumber = 0; channelNumber < inputCoordinates.Count; ++channelNumber)
{
Coordinates coordinates = inputCoordinates[channelNumber];
(double cartesianX, double cartesianY, double cartesianZ) = SphericalToCartesian(coordinates);
EegElectrode eegElectrode = new EegElectrode(
//REQUIRED
name: channelNumber < inputChannelsCount ? inputChannels ![channelNumber].Name : string.Empty,
public static EegSidecar Collect(BrainVisionPackage filesContent, CustomizationInfo info, string actualTaskName)
{
IHeaderFileContentVer1 headerContent = filesContent.HeaderFileContent;
List <ChannelInfo>? channelInfos = headerContent.GetChannelInfos();
EegSidecar sidecar = new EegSidecar(
//REQUIRED Generic
actualTaskName,
//REQUIRED EEG
info.EEGReference,
Common.GetSamplingFrequencyFromSamplingInterval(headerContent.SamplingInterval !.Value), // SamplingInterval is in µs
info.PowerLineFrequency,
Defs.NotAvailable)
{
#region Generic
//RECOMMENDED
Manufacturer = info.Manufacturer,
#endregion
#region EEG
//RECOMMENDED
EEGChannelCount = channelInfos == null ? 0 : channelInfos.Count,
ECGChannelCount = 0,
EMGChannelCount = 0,
EOGChannelCount = 0,
MiscChannelCount = 0,
TriggerChannelCount = 0,
//RecordingDuration = 0,
RecordingType = headerContent.Averaged !.Value ? EegSidecar.Recordingtype.epoched : EegSidecar.Recordingtype.continuous,
EpochLength = headerContent.Averaged.Value ? ((headerContent.SegmentDataPoints !.Value * headerContent.SamplingInterval.Value) / 1000000.0) as double?: null,
#endregion
};
return(sidecar);
}
