public void LoadMontages(string xmlFilePath)
{
Montages = new Dictionary <string, SignalMontage>();
using (var reader = new StreamReader(xmlFilePath))
{
var doc = XDocument.Load(reader);
var montages = doc.Element("brainHatSignalMontages")?.Element("Montages")?.Elements("Montage");
if (montages == null)
{
throw new Exception("Document does not hae a <Montages> element or any montages.");
}
foreach (var nextMontage in montages)
{
var montageName = nextMontage.Element("Name")?.Value;
if (montageName == null || Montages.ContainsKey(montageName))
{
throw new Exception("Filter does not have a name or name is duplicated.");
}
var montage = new SignalMontage(montageName);
var derivations = nextMontage.Elements("Derivation");
if (derivations == null)
{
throw new Exception($"Filter {montageName} does not have any derivations.");
}
try
{
foreach (var nextDerivation in derivations)
{
var derivation = new SignalDerivation(nextDerivation.Element("Label")?.Value, nextDerivation.Element("Color")?.Value);
var channels = nextDerivation.Elements("Channel");
foreach (var nextChannel in channels)
{
var rawChannel = int.Parse(nextChannel.Element("Number").Value);
var factor = double.Parse(nextChannel.Element("Factor").Value);
derivation.AddDerivationChannel(new SignalDerivationChannel(rawChannel, factor));
}
montage.AddDerivation(derivation);
}
}
catch (Exception e)
{
throw new Exception($"Filter {montageName} does not have any derivations.", e);
}
Montages.Add(montage.Name, montage);
}
}
}
public static ISignalMontage MakeDefaultMontage(int channels)
{
var signalMontage = new SignalMontage($"Default{channels}");
for (int i = 0; i < channels; i++)
{
var derivation = new SignalDerivation($"EXG {i}", null);
derivation.AddDerivationChannel(new SignalDerivationChannel(i, 1.0));
signalMontage.AddDerivation(derivation);
}
return(signalMontage);
}