public List <EyeMoveCalculation> Calculate(List <EyeMove> eyeMovePositions, EyeMoveTypes eyeMoveType)
{
var saccCalculations = new List <EyeMoveCalculation>();
foreach (var saccadePosition in eyeMovePositions)
{
var saccParams = CalculateSaccadeParams(saccadePosition, eyeMoveType);
saccCalculations.Add(saccParams);
}
return(saccCalculations);
}
public EyeMoveCalculation CalculateSaccadeParams(EyeMove saccadePosition, EyeMoveTypes eyeMoveType)
{
var frameCount = Math.Abs(saccadePosition.EyeEndIndex - saccadePosition.EyeStartIndex); //+ 1;
var duration = frameCount / this.trackerFrequency;
var spotEyeIndexDiff = Math.Abs(saccadePosition.EyeStartIndex - saccadePosition.SpotMove.SpotStartIndex);
var latency = (spotEyeIndexDiff / this.trackerFrequency);
double[] saccadeCoords;
if (eyeCoords.Length > 1)
{
saccadeCoords = eyeCoords.Skip(saccadePosition.EyeStartIndex).Take(Math.Abs(saccadePosition.EyeEndIndex - saccadePosition.EyeStartIndex) + 1).ToArray();
}
else
{
saccadeCoords = eyeCoords;
}
var spotLenght = (saccadePosition.SpotMove.SpotEndIndex - saccadePosition.SpotMove.SpotStartIndex);
var spotMove = spotCoords.Skip(saccadePosition.SpotMove.SpotStartIndex).Take(spotLenght).ToArray();
var eyeMoveDistancesOnScreen = CountOnScreenDistance(saccadeCoords);
var multipiedDistanceOnScreen = eyeMoveDistancesOnScreen.Sum();
var spotMoveDistanceOnScreen = CountOnScreenDistance(spotMove).Sum();
var tangens = multipiedDistanceOnScreen / this.distanceFromScreen;
var ampInRadians = Math.Atan(tangens);
var amplitude = Math.Round(RadianToDegree(ampInRadians));
var maxEyeDistance = eyeMoveDistancesOnScreen.Max();
var movePrecentage = (maxEyeDistance / multipiedDistanceOnScreen) * 100;
var maxAmpPercentage = (amplitude / 100) * movePrecentage;
var maxVelocity = maxAmpPercentage / 0.016; /* 0.016 = one frame*/
var velocity = amplitude / duration;
var gain = multipiedDistanceOnScreen / spotMoveDistanceOnScreen;
return(new EyeMoveCalculation
{
EyeMove = saccadePosition,
LatencyFrameCount = Convert.ToInt32(spotEyeIndexDiff),
DurationFrameCount = Convert.ToInt32(frameCount),
Latency = Math.Round(latency, 3),
Duration = Math.Round(duration, 3),
Distance = Math.Round(multipiedDistanceOnScreen, 3),
Amplitude = amplitude,
AvgVelocity = Math.Round(velocity, 0),
MaxVelocity = Math.Round(maxVelocity, 0),
Gain = Math.Round(gain, 2)
});
}
public static List <int> GetSpotMoveDataBlock(ResultData resultData, EyeMoveTypes eyeMoveType, FileType fileType)
{
int initStartTime = -1;
int initEndTime = -1;
if (eyeMoveType == EyeMoveTypes.Saccade)
{
if (fileType == FileType.Brudno)
{
initStartTime = Consts.SaccadeStartTimeStandard;
initEndTime = Consts.AntiSaccadeStartTimeStandard;
}
else if (fileType == FileType.Maruniec)
{
initStartTime = Consts.SaccadeStartTimeMaruniec;
initEndTime = Consts.AntiSaccadeStartTimeMaruniec;
}
else if (fileType == FileType.JazzNovo)
{
initStartTime = 2006;
initEndTime = 57001;
}
//initStartTime = 10676000; //9946000;
//initEndTime = 15095000;
}
else if (eyeMoveType == EyeMoveTypes.AntiSaccade)
{
if (fileType == FileType.Brudno)
{
initStartTime = Consts.AntiSaccadeStartTimeStandard;
}
else if (fileType == FileType.Maruniec)
{
initStartTime = Consts.AntiSaccadeStartTimeMaruniec;
}
initEndTime = resultData.TimeStamps.Last();
//initStartTime = 15426000;
//initEndTime = 19844000;
}
var blockStart = resultData.SpotMoves.FirstOrDefault(x => x.SpotStartTimeStamp >= initStartTime);
var blockEnd = resultData.SpotMoves.LastOrDefault(x => x.SpotStartTimeStamp <= initEndTime);
var spotBlock = resultData.SpotMoves.Where(x => x.SpotStartTimeStamp >= initStartTime && x.SpotStartTimeStamp <= initEndTime);
return(spotBlock.Select(x => x.SpotStartIndex).ToList());
}
public static string GetSaccAntiSaccTextLog(List <EyeMoveCalculation> results, ResultData currentSpotEyePointsForSaccades,
EyeMoveTypes eyeMoveType)
{
var sb = new StringBuilder();
var sep = " ";
var rowSep = "=========================================";
sb.Append(rowSep);
sb.Append(Environment.NewLine);
sb.Append($"Date/Time: {DateTime.Now.ToShortDateString()} {DateTime.Now.ToShortTimeString()}");
sb.Append(Environment.NewLine);
sb.Append($"Results for: {eyeMoveType}s. Item Count: {results.Count}");
sb.Append(Environment.NewLine);
sb.Append(rowSep);
sb.Append(Environment.NewLine);
sb.Append(Environment.NewLine);
foreach (var result in results)
{
sb.Append($"{result.EyeMove.EyeMoveType} Id: {result.EyeMove.Id}");
sb.Append(Environment.NewLine);
sb.Append($"First in Spot Sequence: {result.EyeMove.IsFirstMove}");
sb.Append(Environment.NewLine);
sb.Append($"Spot Start Index: {result.EyeMove.SpotMove.SpotStartIndex}");
sb.Append(Environment.NewLine);
sb.Append($"Spot Start X: {currentSpotEyePointsForSaccades.SpotCoords[result.EyeMove.SpotMove.SpotStartIndex]}");
sb.Append(Environment.NewLine);
sb.Append($"Spot Start Time: {currentSpotEyePointsForSaccades.TimeStamps[result.EyeMove.SpotMove.SpotStartIndex]}");
sb.Append(Environment.NewLine);
sb.Append($"Spot End Index: {result.EyeMove.SpotMove.SpotEndIndex}");
sb.Append(Environment.NewLine);
sb.Append($"Spot End X: {currentSpotEyePointsForSaccades.SpotCoords[result.EyeMove.SpotMove.SpotEndIndex]}");
sb.Append(Environment.NewLine);
sb.Append($"Spot End Time: {currentSpotEyePointsForSaccades.TimeStamps[result.EyeMove.SpotMove.SpotEndIndex]}");
sb.Append(Environment.NewLine);
sb.Append($"Eye Start Index: {result.EyeMove.EyeStartIndex}");
sb.Append(Environment.NewLine);
sb.Append($"Eye Start X: {currentSpotEyePointsForSaccades.EyeCoords[result.EyeMove.EyeStartIndex]}");
sb.Append(Environment.NewLine);
sb.Append($"Eye Start Time: {currentSpotEyePointsForSaccades.TimeStamps[result.EyeMove.EyeStartIndex]}");
sb.Append(Environment.NewLine);
sb.Append($"Eye End Index: {result.EyeMove.EyeEndIndex}");
sb.Append(Environment.NewLine);
sb.Append($"Eye End X: {currentSpotEyePointsForSaccades.EyeCoords[result.EyeMove.EyeEndIndex]}");
sb.Append(Environment.NewLine);
sb.Append($"Eye End Time: {currentSpotEyePointsForSaccades.TimeStamps[result.EyeMove.EyeEndIndex]}");
sb.Append(Environment.NewLine);
sb.Append(Environment.NewLine);
sb.Append($"Control Amp/ Test Value: {result.EyeMove.ControlAmpTestValue}");
sb.Append(Environment.NewLine);
sb.Append($"Min.Length Test Value: {result.EyeMove.MinLengthTestValue}");
sb.Append(Environment.NewLine);
sb.Append(Environment.NewLine);
sb.Append($"Latency Frame Count: {result.LatencyFrameCount}");
sb.Append(Environment.NewLine);
sb.Append($"Duration Frame Count: {result.DurationFrameCount}");
sb.Append(Environment.NewLine);
sb.Append(Environment.NewLine);
sb.Append($"Eye/Spot Gain: {result.Gain} ");
sb.Append(Environment.NewLine);
sb.Append($"Distance: {result.Distance}");
sb.Append(Environment.NewLine);
sb.Append($"Latency: {result.Latency} sec");
sb.Append(Environment.NewLine);
sb.Append($"Duration: {result.Duration} sec");
sb.Append(Environment.NewLine);
sb.Append($"Visual Angle: {result.Amplitude} deg");
sb.Append(Environment.NewLine);
sb.Append($"Average Velocity: {result.AvgVelocity} deg/sec");;
sb.Append(Environment.NewLine);
sb.Append($"Max Velocity: {result.MaxVelocity} deg/sec");;
sb.Append(Environment.NewLine);
sb.Append(Environment.NewLine);
sb.Append("Y Values:");
sb.Append(Environment.NewLine);
for (int i = result.EyeMove.EyeStartIndex; i < result.EyeMove.EyeStartIndex + result.DurationFrameCount; i++)
{
sb.Append($"Index:{i} - Value: {currentSpotEyePointsForSaccades.EyeCoords[i]}");
sb.Append(Environment.NewLine);
}
sb.Append(Environment.NewLine);
sb.Append("X Values:");
sb.Append(Environment.NewLine);
for (int i = result.EyeMove.EyeStartIndex; i < result.EyeMove.EyeStartIndex + result.DurationFrameCount; i++)
{
sb.Append($"Index:{i} - Time: {currentSpotEyePointsForSaccades.TimeDeltas[i]}");
sb.Append(Environment.NewLine);
}
sb.Append(Environment.NewLine);
}
return(sb.ToString());
}