private static GazeResults runSingle(string in_filename)
{
XmlDocument document = new XmlDocument();
List <GazeData> gazes = new List <GazeData>();
TrackingEnvironment environment = new TrackingEnvironment();
//bool isFirstGaze = true;
double firstTimestamp = 0;
double lastTimestamp = 0;
try
{
document.Load(in_filename);
XPathNavigator navigator = document.CreateNavigator();
XPathNodeIterator iterator = (XPathNodeIterator)
navigator.Evaluate("itrace-records/environment/*");
while (iterator.MoveNext())
{
XPathNavigator element = iterator.Current;
switch (element.Name)
{
case "screen-size":
string width = element.GetAttribute("width", "");
string height = element.GetAttribute("height", "");
if (width != String.Empty && height != String.Empty)
{
environment.screen_width = Convert.ToInt32(width);
environment.screen_height = Convert.ToInt32(height);
}
break;
case "line-height":
string line_height = element.Value;
if (line_height != String.Empty)
{
environment.line_height = Convert.ToInt32(line_height);
}
break;
case "font-height":
string font_height = element.Value;
if (font_height != String.Empty)
{
environment.font_height = Convert.ToInt32(font_height);
}
break;
}
}
iterator = (XPathNodeIterator)
navigator.Evaluate("itrace-records/gazes/response");
while (iterator.MoveNext())
{
XPathNavigator element = iterator.Current;
String filename = element.GetAttribute("file", "");
String line = element.GetAttribute("line", "");
String col = element.GetAttribute("col", "");
String x = element.GetAttribute("x", "");
String y = element.GetAttribute("y", "");
String timestamp = element.GetAttribute("timestamp", "");
String left_validation = element.GetAttribute("left-validation", "");
String right_validation =
element.GetAttribute("right-validation", "");
if (filename != String.Empty && line != String.Empty &&
col != String.Empty && x != String.Empty && y != String.Empty &&
timestamp != String.Empty && left_validation != String.Empty &&
right_validation != String.Empty)
{
GazeData gaze_data = new GazeData();
gaze_data.filename = filename;
gaze_data.line = Convert.ToInt32(line);
gaze_data.col = Convert.ToInt32(col);
gaze_data.x = Convert.ToInt32(x);
gaze_data.y = Convert.ToInt32(y);
//set start time to zero by subtracting off the first timestamp from each gaze
/*
* if (isFirstGaze)
* {
* firstTimestamp = Convert.ToDecimal(timestamp);
* isFirstGaze = false;
* }
*/
gaze_data.timestamp = Convert.ToDouble(timestamp) - firstTimestamp;
gaze_data.left_validation = Convert.ToDouble(left_validation);
gaze_data.right_validation = Convert.ToDouble(right_validation);
gazes.Add(gaze_data);
}
}
//normalize timestamp data
firstTimestamp = gazes[0].timestamp;
lastTimestamp = gazes[gazes.Count - 1].timestamp;
//Console.WriteLine(firstTimestamp);
//Console.WriteLine(lastTimestamp);
for (int i = 0; i < gazes.Count; i++)
{
gazes[i].timestamp = (gazes[i].timestamp - firstTimestamp) / (lastTimestamp - firstTimestamp);
//Console.WriteLine(gazes[i].timestamp);
}
return(new GazeResults(gazes, environment));
}
catch (Exception e)
{
throw e;
}
}
private static GazeResults runSingle(string in_filename)
{
XmlDocument document = new XmlDocument();
List<GazeData> gazes = new List<GazeData>();
TrackingEnvironment environment = new TrackingEnvironment();
//bool isFirstGaze = true;
double firstTimestamp = 0;
double lastTimestamp = 0;
try
{
document.Load(in_filename);
XPathNavigator navigator = document.CreateNavigator();
XPathNodeIterator iterator = (XPathNodeIterator)
navigator.Evaluate("itrace-records/environment/*");
while (iterator.MoveNext())
{
XPathNavigator element = iterator.Current;
switch (element.Name)
{
case "screen-size":
string width = element.GetAttribute("width", "");
string height = element.GetAttribute("height", "");
if (width != String.Empty && height != String.Empty)
{
environment.screen_width = Convert.ToInt32(width);
environment.screen_height = Convert.ToInt32(height);
}
break;
case "line-height":
string line_height = element.Value;
if (line_height != String.Empty)
environment.line_height = Convert.ToInt32(line_height);
break;
case "font-height":
string font_height = element.Value;
if (font_height != String.Empty)
environment.font_height = Convert.ToInt32(font_height);
break;
}
}
iterator = (XPathNodeIterator)
navigator.Evaluate("itrace-records/gazes/response");
while (iterator.MoveNext())
{
XPathNavigator element = iterator.Current;
String filename = element.GetAttribute("file", "");
String line = element.GetAttribute("line", "");
String col = element.GetAttribute("col", "");
String x = element.GetAttribute("x", "");
String y = element.GetAttribute("y", "");
String timestamp = element.GetAttribute("timestamp", "");
String left_validation = element.GetAttribute("left-validation", "");
String right_validation =
element.GetAttribute("right-validation", "");
if (filename != String.Empty && line != String.Empty &&
col != String.Empty && x != String.Empty && y != String.Empty &&
timestamp != String.Empty && left_validation != String.Empty &&
right_validation != String.Empty)
{
GazeData gaze_data = new GazeData();
gaze_data.filename = filename;
gaze_data.line = Convert.ToInt32(line);
gaze_data.col = Convert.ToInt32(col);
gaze_data.x = Convert.ToInt32(x);
gaze_data.y = Convert.ToInt32(y);
//set start time to zero by subtracting off the first timestamp from each gaze
/*
if (isFirstGaze)
{
firstTimestamp = Convert.ToDecimal(timestamp);
isFirstGaze = false;
}
*/
gaze_data.timestamp = Convert.ToDouble(timestamp) - firstTimestamp;
gaze_data.left_validation = Convert.ToDouble(left_validation);
gaze_data.right_validation = Convert.ToDouble(right_validation);
gazes.Add(gaze_data);
}
}
//normalize timestamp data
firstTimestamp = gazes[0].timestamp;
lastTimestamp = gazes[gazes.Count - 1].timestamp;
//Console.WriteLine(firstTimestamp);
//Console.WriteLine(lastTimestamp);
for (int i = 0; i < gazes.Count; i++)
{
gazes[i].timestamp = ( gazes[i].timestamp - firstTimestamp ) / ( lastTimestamp - firstTimestamp );
//Console.WriteLine(gazes[i].timestamp);
}
return new GazeResults(gazes, environment);
}
catch (Exception e)
{
throw e;
}
}
public GazeResults(List <GazeData> gazes, TrackingEnvironment environment)
{
this.gazes = gazes;
this.environment = environment;
}
public GazeResults(List<GazeData> gazes, TrackingEnvironment environment)
{
this.gazes = gazes;
this.environment = environment;
}