/// <summary>
/// Connects to found eyetrackers, synchronizes CPU and eyetracker clocks, and attaches event handlers.
/// </summary>
/// <param name="sender"></param>
/// <param name="e">Contains found EyetrackerInfo</param>
private static void EyetrackerFound(object sender, EyetrackerInfoEventArgs e)
{
EyetrackerConnector connector = new EyetrackerConnector(e.EyetrackerInfo);
connector.Connect();
// sync CPU and Eyetracker clocks
SyncManager syncManager = new SyncManager(clock, e.EyetrackerInfo, EventThreadingOptions.BackgroundThread);
// detect fixations
FixationDetector fixations = new FixationDetector(syncManager);
connector.Eyetracker.GazeDataReceived += fixations.GazeDataReceived;
if (Settings.ProcessorDefinitions.ContainsKey(connector.Info.ProductId))
{
foreach (EmdatProcessorSettings settings in Settings.ProcessorDefinitions[connector.Info.ProductId])
{
EmdatProcessor processor = new EmdatProcessor(syncManager);
processor.CumulativeData = settings.Cumulative;
connector.Eyetracker.GazeDataReceived += processor.GazeDataReceived;
fixations.FixDetector.FixationEnd += processor.FixationEnd;
Processors.Add(settings.ProcessorId, processor);
}
}
}
/// <summary>
/// Connects to found eyetrackers, synchronizes CPU and eyetracker clocks, and attaches event handlers.
/// </summary>
/// <param name="sender"></param>
/// <param name="e">Contains found EyetrackerInfo</param>
static void EyetrackerFound(object sender, EyetrackerInfoEventArgs e)
{
EyetrackerConnector connector = new EyetrackerConnector(e.EyetrackerInfo);
connector.Connect();
// sync CPU and Eyetracker clocks
SyncManager syncManager = new SyncManager(clock, e.EyetrackerInfo, EventThreadingOptions.BackgroundThread);
// detect fixations
FixationDetector fixations = new FixationDetector(syncManager);
connector.Eyetracker.GazeDataReceived += fixations.GazeDataReceived;
/*/ 1. print each event to console
* ConsolePrinter printer = new ConsolePrinter(syncManager);
* //connector.Eyetracker.GazeDataReceived += printer.GazeDataReceived;
* fixations.FixDetector.FixationEnd += printer.FixationEnd;//*/
/*/ 2. windowed print to console
* WindowingConsolePrinter printer = new WindowingConsolePrinter(syncManager);
* //connector.Eyetracker.GazeDataReceived += printer.GazeDataReceived;
* fixations.FixDetector.FixationEnd += printer.FixationEnd;
*
* printer.StartWindow();
* while (true)
* {
* Thread.Sleep(windowDuration);
* printer.ProcessWindow(cumulativeWindows);
* }//*/
// 3. process windows with EMDAT
EmdatProcessor processor = new EmdatProcessor(syncManager);
if (aoiFilePath != null)
{
processor.AoiFilePath = aoiFilePath;
}
connector.Eyetracker.GazeDataReceived += processor.GazeDataReceived;
fixations.FixDetector.FixationEnd += processor.FixationEnd;
processor.StartWindow();
while (true)
{
Thread.Sleep(windowDuration);
processor.ProcessWindow(cumulativeWindows);
}//*/
}
private static int windowDuration = 3000; // ms
#endregion Fields
#region Methods
/// <summary>
/// Connects to found eyetrackers, synchronizes CPU and eyetracker clocks, and attaches event handlers.
/// </summary>
/// <param name="sender"></param>
/// <param name="e">Contains found EyetrackerInfo</param>
static void EyetrackerFound(object sender, EyetrackerInfoEventArgs e)
{
EyetrackerConnector connector = new EyetrackerConnector(e.EyetrackerInfo);
connector.Connect();
// sync CPU and Eyetracker clocks
SyncManager syncManager = new SyncManager(clock, e.EyetrackerInfo, EventThreadingOptions.BackgroundThread);
// detect fixations
FixationDetector fixations = new FixationDetector(syncManager);
connector.Eyetracker.GazeDataReceived += fixations.GazeDataReceived;
/*/ 1. print each event to console
ConsolePrinter printer = new ConsolePrinter(syncManager);
//connector.Eyetracker.GazeDataReceived += printer.GazeDataReceived;
fixations.FixDetector.FixationEnd += printer.FixationEnd;//*/
/*/ 2. windowed print to console
WindowingConsolePrinter printer = new WindowingConsolePrinter(syncManager);
//connector.Eyetracker.GazeDataReceived += printer.GazeDataReceived;
fixations.FixDetector.FixationEnd += printer.FixationEnd;
printer.StartWindow();
while (true)
{
Thread.Sleep(windowDuration);
printer.ProcessWindow(cumulativeWindows);
}//*/
// 3. process windows with EMDAT
EmdatProcessor processor = new EmdatProcessor(syncManager);
if (aoiFilePath != null)
{
processor.AoiFilePath = aoiFilePath;
}
connector.Eyetracker.GazeDataReceived += processor.GazeDataReceived;
fixations.FixDetector.FixationEnd += processor.FixationEnd;
processor.StartWindow();
while (true)
{
Thread.Sleep(windowDuration);
processor.ProcessWindow(cumulativeWindows);
}//*/
}
public Stream GetFeatures(string processorId, string callback)
{
MemoryStream ms = new MemoryStream();
StreamWriter sw = new StreamWriter(ms);
sw.Write(callback + "({");
if (processorId != null)
{
EmdatProcessor processor = Program.Processors[processorId];
if (processor != null && processor.CollectingData)
{
processor.ProcessWindow();
IDictionary <Object, Object> features = processor.Features;
// sort by key
String[] sortedFeatures = new String[features.Count];
features.Keys.CopyTo(sortedFeatures, 0);
Array.Sort(sortedFeatures);
// convert to JSON
StringBuilder sb = new StringBuilder();
foreach (String feature in sortedFeatures)
{
sb.Append("\"" + feature + "\": \"" + features[feature] + "\",");
}
// remove trailing comma
if (sb.Length > 0)
{
sb.Length--;
}
sw.Write(sb.ToString());
}
}
sw.Write("})");
sw.Flush();
ms.Position = 0;
return(ms);
}
public Stream Condition(string processorId, string condition, string callback)
{
MemoryStream ms = new MemoryStream();
StreamWriter sw = new StreamWriter(ms);
sw.Write(callback + "(");
EmdatProcessor processor = Program.Processors[processorId];
if (processor != null && processor.CollectingData && processor.Conditions[condition] != null && processor.Conditions[condition].Met)
{
recordCondition(condition);
sw.Write("true");
}
else
{
sw.Write("false");
}
sw.Write(")");
sw.Flush();
ms.Position = 0;
return(ms);
}
public ShowIntervention(EmdatProcessor processor)
{
this.processor = processor;
}
public ConditionImp(string id, EmdatProcessor processor)
{
this.id = id;
this.processor = processor;
}
/// <summary>
/// Connects to found eyetrackers, synchronizes CPU and eyetracker clocks, and attaches event handlers.
/// </summary>
/// <param name="sender"></param>
/// <param name="e">Contains found EyetrackerInfo</param>
private static void EyetrackerFound(object sender, EyetrackerInfoEventArgs e)
{
EyetrackerConnector connector = new EyetrackerConnector(e.EyetrackerInfo);
connector.Connect();
// sync CPU and Eyetracker clocks
SyncManager syncManager = new SyncManager(clock, e.EyetrackerInfo, EventThreadingOptions.BackgroundThread);
// detect fixations
FixationDetector fixations = new FixationDetector(syncManager);
connector.Eyetracker.GazeDataReceived += fixations.GazeDataReceived;
if (Settings.ProcessorDefinitions.ContainsKey(connector.Info.ProductId))
{
foreach (EmdatProcessorSettings settings in Settings.ProcessorDefinitions[connector.Info.ProductId])
{
EmdatProcessor processor = new EmdatProcessor(syncManager);
processor.CumulativeData = settings.Cumulative;
connector.Eyetracker.GazeDataReceived += processor.GazeDataReceived;
fixations.FixDetector.FixationEnd += processor.FixationEnd;
Processors.Add(settings.ProcessorId, processor);
}
}
}
public ShowIntervention(EmdatProcessor processor)
{
this.processor = processor;
}
public ShowText(EmdatProcessor processor)
{
this.processor = processor;
}
public ShowText(EmdatProcessor processor)
{
this.processor = processor;
}