internal static void BuildFile(object sender, DoWorkEventArgs e)
{
Parameters parameters = (Parameters)e.Argument;
DirectoryInfo di = new DirectoryInfo(parameters.directoryPath);
try
{
if (!di.Exists) di.Create();
}
catch (Exception io)
{
throw new Exception("Directory creation failed: " + io.ToString());
}
parameters.fileName = di.FullName + Path.DirectorySeparatorChar + parameters.fileName;
/* ***** Create new BDF/EDF file ***** */
BDFEDFFileWriter file = new BDFEDFFileWriter(
File.Open(parameters.fileName + (parameters.BDFFormat ? ".bdf" : ".edf"), FileMode.Create, FileAccess.ReadWrite),
parameters.nChan + 1, // add one to include Status
parameters.recordDuration,
parameters.samplingRate,
parameters.BDFFormat);
file.LocalRecordingId = parameters.LocalRecordingId;
file.LocalSubjectId = parameters.LocalSubjectId;
for (int ichan = 0; ichan < parameters.nChan; ichan++)
{
file.channelLabel(ichan, parameters.ChannelLabelPrefix + " " + (ichan + 1).ToString("G"));
file.transducer(ichan, parameters.TransducerString);
file.dimension(ichan, parameters.PhysicalDimensionString);
file.pMin(ichan, (int)Math.Ceiling(parameters.pMin));
file.pMax(ichan, (int)Math.Ceiling(parameters.pMax));
file.dMin(ichan, parameters.dMin);
file.dMax(ichan, parameters.dMax);
file.prefilter(ichan, parameters.PrefilterString);
}
file.channelLabel(parameters.nChan, "Status");
file.transducer(parameters.nChan, "None");
file.dimension(parameters.nChan, "None");
file.pMin(parameters.nChan, -Math.Pow(2D, 23D));
file.pMax(parameters.nChan, Math.Pow(2D, 23D) - 1);
file.dMin(parameters.nChan, (int)file.pMin(parameters.nChan));
file.dMax(parameters.nChan, (int)file.pMax(parameters.nChan));
file.prefilter(parameters.nChan, "None");
/* ***** Create Electrode position file ***** */
double[] phi;
double[] theta;
setElectrodeLocations(parameters.nChan, out phi, out theta); // assign locations
ElectrodeFileStream.ElectrodeOutputFileStream efs = new ElectrodeFileStream.ElectrodeOutputFileStream(
File.Open(parameters.fileName + ".etr", FileMode.Create, FileAccess.Write),typeof(PhiThetaRecord));
for (int i = 0; i < parameters.nChan; i++)
{
string sName = parameters.ChannelLabelPrefix + " " + (i + 1).ToString("0");
PhiThetaRecord xy = new PhiThetaRecord(sName, phi[i], theta[i]);
xy.write(efs, "");
}
efs.Close();
/* ***** Create new HDR file ***** */
new HeaderFileWriter(
File.Open(parameters.fileName + ".hdr", FileMode.Create, FileAccess.Write),
parameters.head);
/* ***** Create new Event file and initialize ***** */
EventFileWriter events = new EventFileWriter(
File.Open(parameters.fileName + ".evt", FileMode.Create, FileAccess.Write));
int lastN = 0; // last used index of Event
int lastG = 0; // last used grayCode
/* ***** Other preliminaries ***** */
int nRec = (int)Math.Ceiling((double)parameters.totalFileLength / (double)parameters.recordDuration);
int nPts = parameters.recordDuration * parameters.samplingRate;
DateTime dt = DateTime.Now; // base time for events
double T = 0D;
deltaT = 1D / Convert.ToDouble(parameters.samplingRate);
int[] statusChannel = new int[nPts];
/* ***** Main loop ***** */
for (int rec = 0; rec < nRec; rec++ ) //for each required record
{
for (int p = 0; p < nPts; p++) //for each point in a record
{
foreach (Event evt in parameters.eventList) //loop through each Event definition
{
if (evt.IsNow(T)) // is next occurence of Event at this tick?
{
lastN = (lastN % ((1 << parameters.nBits) - 2)) + 1; // get next index value
OutputEvent oe = new OutputEvent(evt.EDEntry, dt.AddSeconds(T), lastN);
lastG = oe.GC; // get the corresponding grayCode value; calculated as OutputEvent created
int n = evt.GVs.Count;
oe.GVValue = new string[n]; // assign group variable values
for (int i = 0; i < n; i++)
{
oe.GVValue[i] = evt.oldGVValues[i].ToString("0");
}
events.writeRecord(oe); // write out new Event record
}
}
statusChannel[p] = lastG; //Status channel
double eventcontribution = calculateEventSignal(parameters);
for (int chan = 1; chan <= parameters.nChan; chan++)
{
file.putSample(chan - 1, p, parameters.window.Calculate(T, chan) + eventcontribution);
}
T += deltaT;
}
file.putStatus(statusChannel);
file.write();
if (Window1.bw.CancellationPending)
{
file.Close();
events.Close();
e.Cancel = true;
return;
}
Window1.bw.ReportProgress(Convert.ToInt32(100D * (double)rec / (double)nRec));
}
events.Close();
file.Close();
}
public override void write(ElectrodeOutputFileStream ofs, string nameSpace)
{
if (ofs.t != typeof(XYZRecord)) throw new Exception("Attempt to mix types in ElectrodeOutputFileStream.");
XmlWriter xw = ofs.xw;
xw.WriteStartElement("Electrode", nameSpace);
xw.WriteAttributeString("Name", nameSpace, this.Name);
xw.WriteElementString("X", nameSpace, this.X.ToString("G"));
xw.WriteElementString("Y", nameSpace, this.Y.ToString("G"));
xw.WriteElementString("Z", nameSpace, this.Z.ToString("G"));
xw.WriteEndElement();
}
/// <summary>
/// Write a Phi-Theta electode record; although stored internally in radians,
/// record values are written in degrees for easier human readability
/// </summary>
/// <param name="ofs">Electrode output file stream</param>
/// <param name="nameSpace"></param>
public override void write(ElectrodeOutputFileStream ofs, string nameSpace)
{
if (ofs.t != typeof(PhiThetaRecord)) throw new Exception("Attempt to mix types in ElectrodeOutputFileStream.");
XmlWriter xw = ofs.xw;
xw.WriteStartElement("Electrode", nameSpace);
xw.WriteAttributeString("Name", nameSpace, this.Name);
xw.WriteElementString("Phi", nameSpace, (Phi * ToDeg).ToString("G"));
xw.WriteElementString("Theta", nameSpace, (Theta * ToDeg).ToString("G"));
xw.WriteEndElement();
}
public abstract void write(ElectrodeOutputFileStream ofs, string nameSpace);
public MainWindow()
{
bool standAlone = Environment.GetCommandLineArgs().Length < 3;
Window1 w;
string templateFileName;
string ETRFileName;
bool useMonitor;
if (standAlone)
{
w = new Window1();
try
{
foreach (string s in Directory.EnumerateFiles(networkFolder + System.IO.Path.DirectorySeparatorChar + templatesFolder))
{
string f = System.IO.Path.GetFileNameWithoutExtension(s);
w.Templates.Items.Add(f);
}
}
catch (Exception e)
{
CCIUtilities.ErrorWindow ew = new CCIUtilities.ErrorWindow();
ew.Message = "Unable to access Templates folder; message = " + e.Message;
ew.ShowDialog();
Environment.Exit(0);
}
w.Templates.SelectedIndex = 0;
w.WindowStartupLocation = WindowStartupLocation.CenterScreen;
if (!(bool)w.ShowDialog()) Environment.Exit(0);
mode = w._mode;
if (mode == 0) samples = w._sampCount1;
else if (mode == 1) samples = w._sampCount2;
else if (mode == 3) threshold = w._SDThresh;
voice = (bool)w.Voice.IsChecked;
hemisphere = w.Hemisphere.SelectedIndex;
templateFileName = (string)w.Templates.SelectedValue;
ETRFileName = System.IO.Path.GetFileNameWithoutExtension(w._etrFileName);
useMonitor = (bool)w.Monitor.IsChecked;
}
else
{
mode = 0; //always single click
samples = 1; //single sample only
voice = true;
hemisphere = 0; //X+
templateFileName = Environment.GetCommandLineArgs()[1];
ETRFileName = networkFolder + System.IO.Path.DirectorySeparatorChar + Environment.GetCommandLineArgs()[2];
useMonitor = true;
}
//Read in electrode array template
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
settings.IgnoreComments = true;
settings.IgnoreProcessingInstructions = true;
settings.CloseInput = true;
XmlReader templateReader = XmlReader.Create(networkFolder + System.IO.Path.DirectorySeparatorChar +
templatesFolder + System.IO.Path.DirectorySeparatorChar + templateFileName + ".xml", settings); //templates are always on network drive
templateReader.MoveToContent();
templateReader.MoveToAttribute("N");
numberOfElectrodes = templateReader.ReadContentAsInt(); //number of items
templateList = new List<electrodeTemplateListElement>(numberOfElectrodes);
templateReader.ReadStartElement("ElectrodeNames");
for (int i = 0; i < numberOfElectrodes; i++)
{
templateReader.ReadStartElement("Electrode");
electrodeTemplateListElement ele = new electrodeTemplateListElement();
ele.Name = templateReader.ReadElementContentAsString("Print","");
if (templateReader.Name == "Speak")
{
ele.speakType = templateReader["Type"];
if (ele.speakType == "String")
ele.speakString = templateReader.ReadElementContentAsString("Speak", ""); //read string to speak
else
{
templateReader.ReadStartElement("Speak");
while (templateReader.Name != "Speak")
ele.speakString += templateReader.ReadOuterXml(); //read SSML string to speak
templateReader.ReadEndElement(/*Speak*/);
}
}
else
{
ele.speakType = "None";
ele.speakString = null;
}
templateList.Add(ele);
templateReader.ReadEndElement(/*Electrode*/);
}
templateReader.ReadEndElement(/*ElectrodeNames*/);
templateReader.Close();
//Open electrode position file
efs = new ElectrodeOutputFileStream(
new FileStream(ETRFileName + "." + numberOfElectrodes.ToString("000") + ".etr", FileMode.Create, FileAccess.Write),
typeof(XYZRecord));
electrodeLocations = new List<XYZRecord>(numberOfElectrodes); //set up temporary location list, so changes can be made
projection = new Projection(eyeDistance);
InitializeComponent();
this.MinWidth = (double)SystemInformation.WorkingArea.Width * 96D / screenDPI;
this.MinHeight = (double)SystemInformation.WorkingArea.Height * 96D / screenDPI;
//Initialize Polhemus into standard state
try
{
PolhemusStream ps = new PolhemusStream();
p = new PolhemusController(ps);
p.InitializeSystem();
p.SetEchoMode(PolhemusController.EchoMode.On); //Echo on
p.OutputFormat(PolhemusController.Format.Binary); //Binary output
int v = hemisphere % 2 == 1 ? -1 : 1; //set correct hemisphere of operation
if (hemisphere < 2)
p.HemisphereOfOperation(null, v, 0, 0);
else if (hemisphere < 4)
p.HemisphereOfOperation(null, 0, v, 0);
else
p.HemisphereOfOperation(null, 0, 0, v);
p.SetUnits(PolhemusController.Units.Metric); //Metric measurements
Type[] df1 = { typeof(CartesianCoordinates) }; //set up cartesian coordinate output only for stylus
p.OutputDataList(1, df1);
Type[] df2 = { typeof(CartesianCoordinates), typeof(DirectionCosineMatrix) }; //coordinates and direction cosines for reference sensor
p.OutputDataList(2, df2);
StylusAcquisition.Monitor c = null;
if (useMonitor)
c = Monitor;
w = null; //free resources, if any
if (mode == 0)
{
StylusAcquisition.SingleShot sm = SinglePoint;
sa = new StylusAcquisition(p, sm, c);
}
else
{
StylusAcquisition.Continuous sm = ContinuousPoints;
sa = new StylusAcquisition(p, sm, c);
}
AcquisitionFinished += new PointAcquisitionFinishedEventHandler(AcquisitionLoop);
electrodeNumber = -3; //Fiducial points are first
if(!standAlone)
{
Window2 w2 = new Window2();
w2.ElecTemplate.Text = Environment.GetCommandLineArgs()[1];
w2.Output.Text = Environment.GetCommandLineArgs()[2];
if (!(bool)w2.ShowDialog()) Environment.Exit(0);
}
AcquisitionLoop(sa, null); //Prime the pump!
}
catch (Exception e)
{
ErrorWindow ew = new ErrorWindow();
ew.Message = "Error in Polhemus initialization: " + e.Message;
ew.ShowDialog();
Environment.Exit(1);
}
}
private void writeElectrodeFile()
{
if (efs != null)
{
foreach (XYZRecord xyz in electrodeLocations)
xyz.write(efs, "");
efs.Close();
efs = null;
output3.Text = "Wrote " + electrodeLocations.Count().ToString("0") + " electrode location records.";
}
}
