public List <SaccadesCountOnInerval> ReadTxtToSaccadesCountOnInervalListSaccades(string filename)
{
List <SaccadesCountOnInerval> saccadesRecords = new List <SaccadesCountOnInerval>();
using (StreamReader rd = new StreamReader(new FileStream(filename, FileMode.Open)))
{
char separator = '\n';
char delimiter = '\t';
string[] str_arr = { "" };
string big_str = "";
TobiiCsvReader.ReadPartOfFile(rd, out big_str);
str_arr = big_str.Split(separator);
int i = 0;
for (i = 0; i < str_arr.Length; i++)
{
if (str_arr[i] == "")
{
continue;
}
string[] tmp = { "" };
tmp = str_arr[i].Split(delimiter);
SaccadesCountOnInerval saccadesRecord = new SaccadesCountOnInerval();
saccadesRecord.time_beg = int.Parse(tmp[0]);
saccadesRecord.time_end = int.Parse(tmp[1]);
saccadesRecord.SaccadesCount = int.Parse(tmp[2]);
saccadesRecords.Add(saccadesRecord);
}
}
return(saccadesRecords);
}
public List <SaccadesCountOnInerval> CalcSaccadesOnSlidingWindow(List <TobiiRecord> tobiiRecords, long SlidingWindowSize_msec, long SlidingWindowTimeStep_msec)
{
List <SaccadesCountOnInerval> ListSaccadesCountOnInerval = new List <SaccadesCountOnInerval>();
long tobiiRecordsBeginTime = tobiiRecords.First().time_ms + (long)(SlidingWindowSize_msec / 2);
long tobiiRecordsEndTime = tobiiRecords.Last().time_ms - (long)(SlidingWindowSize_msec / 2);
for (long curTime = tobiiRecordsBeginTime; curTime < tobiiRecordsEndTime; curTime += SlidingWindowTimeStep_msec)
{
SaccadesCountOnInerval sc = new SaccadesCountOnInerval();
sc.time_beg = curTime;
sc.time_end = curTime + SlidingWindowSize_msec;
sc.SaccadesCount = 0;
foreach (var tr in tobiiRecords)
{
if (tr.time_ms >= sc.time_beg && tr.time_ms < sc.time_end)
{
sc.SaccadesCount += 2;
}
}
ListSaccadesCountOnInerval.Add(sc);
}
return(ListSaccadesCountOnInerval);
}
