//return all objectsposition data for one time stamp
public ObjPositionData getNextTimeStampData()
{
ObjPositionData objPosData = new ObjPositionData();
if (!reader.EOF)
{
reader.ReadToFollowing("Time");
if (reader.HasAttributes && reader.AttributeCount > 0)
{
int timeStamp = Convert.ToInt32(reader.GetAttribute("stamp"));
objPosData.TimeStamp = timeStamp;
}
do
{
reader.Read();
// reader.ReadToFollowing("obj");
if (reader.NodeType == XmlNodeType.Element)
{
if (reader.Name == "obj")
{
if (reader.HasAttributes && reader.AttributeCount >= 0)
{
string name = reader.GetAttribute("name").ToString();
float x = Convert.ToSingle(reader.GetAttribute("x"));
float y = Convert.ToSingle(reader.GetAttribute("y"));
ObjectData objdata = new ObjectData();
objdata.objName = name;
objdata.xPos = x;
objdata.YPos = y;
objPosData.addObjData(objdata);
}
}
else if (reader.Name == "Time")
{
break;
}
}
} while (!(reader.EOF) && !(reader.NodeType == XmlNodeType.EndElement && reader.Name == "Time"));
}
return(objPosData);
}
/**
* Routine to enqueue Time stamp with Object Position Data from GELog File
* Gets called from Thread
*/
public void doWork()
{
try
{
// retrieve all Object Positions data and enqueue them
Regex timeStartRegex = new Regex("^TimeStart");
Regex timeEndRegex = new Regex("^TimeEnd");
if (File.Exists(geLogFileName))
{
using (StreamReader sr = new StreamReader(geLogFileName))
{
// DisplayFileCreation.WriteError("in Object Data worker thread : doWork method : stream reader opened found");
String newLine = null;
do
{
do
{
newLine = sr.ReadLine();
} while (newLine != null && !(timeStartRegex.IsMatch(newLine)));
if (newLine == null)
{
break;
}
// Split the new line to obtain the timeStamp data
String[] timeStampData = Regex.Split(newLine.Trim(), "\\s+");
ObjPositionData objPosData = new ObjPositionData();
objPosData.timeStamp = Convert.ToInt32(timeStampData[1].Trim());
String objDataLine;
// here we have a line that has Time Stamp Data
// continue to read new Line and Process the line's contents until TimeEnd node is seen
objDataLine = sr.ReadLine();
while (objDataLine != null && !timeEndRegex.IsMatch(objDataLine))
{
string[] objData = Regex.Split(objDataLine, "\\s+");
ObjectData data = new ObjectData();
String objname = objData[0].Trim().Substring(0, objData[0].Trim().Length - 1);
String xPos = objData[1].Trim();
String yPos = objData[3].Trim();
data.objName = objname;
data.xPos = Convert.ToInt32(xPos);
data.yPos = Convert.ToInt32(yPos);
objPosData.addObjData(data);
// DisplayFileCreation.WriteError("in Object data worker thread : doWork method : " + Convert.ToInt32(xPos));
// move on to next line
objDataLine = sr.ReadLine();
}// end of while loop -- reading data from a unique TimeStart node
if (newLine == null)
{
break;
}
DisplayFileCreation.geLogTrialDataQueue.Enqueue(objPosData); // enqueue positions of all objects for the current TimeStamp
} while (newLine != null); // move on to next line until EOF
}// end of reading from Stream Reader
}
else
{
DisplayFileCreation.WriteError("Aborting processing Trial info .Invalid Input File : " + geLogFileName);
}
}
catch (StackOverflowException e)
{
DisplayFileCreation.WriteError(" StackOverflowException : " + e.StackTrace);
}
catch (SystemException e)
{
DisplayFileCreation.WriteError(" SystemException : " + e.StackTrace);
}
catch (ApplicationException e)
{
DisplayFileCreation.WriteError(" ApplicationException : " + e.StackTrace);
}
catch (Exception) {
throw;
}
}
/**
* Routine to enqueue Gaze position data into a Queue
*/
public void doWork()
{
//local variable
ObjPositionData gazePrevData = null;
float prevXpos = 0;
float prevYPos = 0;
DisplayFileCreation.logData("Gaze worker thread : Processing doWork method ");
if (File.Exists(edfFileName))
{
DisplayFileCreation.logData("in gaze worker thread : doWork method : edf file exists");
// retrieve all Gaze Position data and enqueue them
using (StreamReader sr = new StreamReader(edfFileName))
{
// DisplayFileCreation.WriteError("in gaze worker thread : doWork method : stream reader opened");
String line;
do
{
line = sr.ReadLine();
if (line != null && gazePostionRegex.IsMatch(line))
{
// here have a line that has gaze position data
ObjPositionData gazeData = new ObjPositionData();
ObjectData data = new ObjectData();
String[] split = Regex.Split(line.Trim(), "\\s+");
if (split.Length < 3)
{
continue;
}
String str1 = split[0];
String str2 = split[1];
String str3 = split[2];
if (str2 == "." || str3 == ".")
{
String timestampNew = str1;
////if (gazePrevData != null)
// {
gazePrevData = new ObjPositionData();
gazePrevData.TimeStamp = Convert.ToInt32(timestampNew);
ObjectData thisData = new ObjectData();
thisData.IsTargetObject = 0;
thisData.ObjName = "gaze";
thisData.XPos = prevXpos;
thisData.YPos = prevYPos;
gazePrevData.addObjData(thisData);
DisplayFileCreation.edfTrialDataQueue.Enqueue(gazePrevData);
// }
// * */
// continue;
}
else
{
String timestamp = split[0].Trim();
String xPos = split[1].Trim();
String yPos = split[2].Trim();
data.objName = "gaze";
float xpos = -1;
float ypos = -1;
try
{
xpos = float.Parse(xPos);
ypos = float.Parse(yPos);
}
catch (Exception)
{
continue;
}
if (xpos == -1 || ypos == -1)
{
continue;
}
else
{
data.xPos = xpos;
data.yPos = ypos;
gazeData.addObjData(data);
gazeData.timeStamp = Convert.ToInt32(timestamp);
DisplayFileCreation.edfTrialDataQueue.Enqueue(gazeData);
prevXpos = xpos;
prevYPos = ypos;
gazePrevData = null;
gazePrevData = new ObjPositionData();
gazePrevData.TimeStamp = gazeData.timeStamp;
LinkedList <ObjectData> list = gazeData.getobjList();
gazePrevData.setObjList(list);
}
//DisplayFileCreation.WriteError("in gaze worker thread : doWork method : " + Convert.ToInt32(timestamp));
} // else loop ends
} // end of if loop
} while (line != null);
} // end of reading from Stream Reader
}
else
{
DisplayFileCreation.WriteError("ABORTING processing Object Position Data: Invalid input File :" + edfFileName);
}
} // end of enqueing Gaze data from EDF File
