private void ReadResults() //parse the .csv files with tracking results
{
string resultsPath = "";
var files = Directory.EnumerateFiles(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")));
foreach (string current in files)
{
if (current.Contains(".csv"))
{
resultsPath = current; break;
}
}
if (!resultsPath.Equals(""))
{
using (var streamReader = new StreamReader(resultsPath)) {
String[] rows = Regex.Split(streamReader.ReadToEnd(), "\r\n");
for (int i = 3; i < rows.Count(); i++)
{
if (rows[i].Length > 5) //to eliminate empty spaces at the end
{
String[] splitLine = rows[i].Split(',');
RightMidPointXs.Add(float.Parse(splitLine[1])); //for now we're skipping probability -> stepping over every third column
RightMidPointYs.Add(GaitVideoHeight - float.Parse(splitLine[2]));
LeftMidPointXs.Add(float.Parse(splitLine[4]));
LeftMidPointYs.Add(GaitVideoHeight - float.Parse(splitLine[5]));
SuperButtXs.Add(float.Parse(splitLine[7]));
SuperButtYs.Add(GaitVideoHeight - float.Parse(splitLine[8]));
NoseXs.Add(float.Parse(splitLine[10]));
NoseYs.Add(GaitVideoHeight - float.Parse(splitLine[11]));
FrontRightHeelXs.Add(float.Parse(splitLine[13])); //heel marker
FrontRightHeelYs.Add(GaitVideoHeight - float.Parse(splitLine[14]));
FrontRightXs.Add(float.Parse(splitLine[16])); //toe marker
FrontRightYs.Add(GaitVideoHeight - float.Parse(splitLine[17]));
FrontLeftHeelXs.Add(float.Parse(splitLine[19]));
FrontLeftHeelYs.Add(GaitVideoHeight - float.Parse(splitLine[20]));
FrontLeftXs.Add(float.Parse(splitLine[22]));
FrontLeftYs.Add(GaitVideoHeight - float.Parse(splitLine[23]));
HindRightHeelXs.Add(float.Parse(splitLine[25]));
HindRightHeelYs.Add(GaitVideoHeight - float.Parse(splitLine[26]));
HindRightXs.Add(float.Parse(splitLine[28]));
HindRightYs.Add(GaitVideoHeight - float.Parse(splitLine[29]));
HindLeftHeelXs.Add(float.Parse(splitLine[31]));
HindLeftHeelYs.Add(GaitVideoHeight - float.Parse(splitLine[32]));
HindLeftXs.Add(float.Parse(splitLine[34]));
HindLeftYs.Add(GaitVideoHeight - float.Parse(splitLine[35]));
}
}
}
}
}
// MARK: UI Methods
private void GaitExportButton_Click(object sender, RoutedEventArgs e)
{
PrepSEM();
SaveCurrentState();
ExportStaticGaitData();
ExportDynamicGaitData();
//ExportCrossCorrelation();
MessageBox.Show("Both static and dynamic data were exported.", "Data Exported", MessageBoxButton.OK);
Process.Start("explorer.exe", GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export");
}
// MARK: Export Cross Correlation Data - NOT IN USE CURRENTLY
private void ExportCrossCorrelation()
{
StringBuilder csv;
string newLine;
csv = new StringBuilder();
newLine = string.Format("{0},{1},{2},{3},{4}", "Index", "Hind Paws", "Fore Paws", "Left Hind to Right Fore", "Right Hind to Left Fore"); //headers
csv.AppendLine(newLine);
for (int i = 0; i < HindLimbsCrossCorrelation.Count; i++)
{
newLine = string.Format("{0},{1},{2},{3},{4}", i, HindLimbsCrossCorrelation[i], ForeLimbsCrossCorrelation[i], HindLeftToForeRightCC[i], HindRightToForeLeftCC[i]);
csv.AppendLine(newLine);
}
File.WriteAllText(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export\\" + "cross_correlation.csv", csv.ToString());
}
// Adjust Settings Button
private void GaitAdjustSettingsButton_Click(object sender, RoutedEventArgs e)
{
string stateFolder = GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gaitsavedstate";
string gaitVideoName = GaitVideoPath.Substring(GaitVideoPath.LastIndexOf("\\") + 1, GaitVideoPath.LastIndexOf(".") - GaitVideoPath.LastIndexOf("\\"));
string gaitTempPath = GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\temp-" + gaitVideoName;
var files = Directory.EnumerateFiles(gaitTempPath);
var file = ""; //might crash
foreach (var currentImg in files)
{
if (currentImg.Contains(".png"))
{
file = currentImg;
break;
}
}
BarInteraction();
MeasureWindow window = new MeasureWindow(file, stateFolder); //spawn the same settings window as before
if (window.ShowDialog() == true)
{
RealWorldMultiplier = window.getSinglePixelSize();
TreadmillSpeed = float.Parse(window.TreadmillSpeedTextBox.Text);
if ((bool)window.AnalysisTypeRadioFreeWalking.IsChecked)
{
IsFreeRun = true;
}
else
{
IsFreeRun = false;
}
SetStaticData();
UpdateFrame(false);
EnableInteraction();
}
else
{
EnableInteraction();
}
}
private void SaveCurrentState()
{
string stateFolder = GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gaitsavedstate";
Directory.CreateDirectory(stateFolder);
//saving input params
List <string> tempList = new List <string>();
tempList.Add(RealWorldMultiplier.ToString());
tempList.Add(TreadmillSpeed.ToString());
tempList.Add(IsFreeRun ? "1" : "0");
tempList.Add(bias.ToString());
System.IO.File.WriteAllLines(stateFolder + "\\inputParams.txt", tempList);
// Save inStance lists and metrics
SaveInStanceData(stateFolder);
SaveMetrics(stateFolder);
}
// MARK: Read Saved data or calculate from scratch
private void ReadCurrentState(bool loadPrevious)
{
string stateFolder = GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gaitsavedstate";
// Gait Input Parameters
if (loadPrevious)
{
if (File.Exists(stateFolder + "\\inputParams.txt"))
{
List <double> tempList = File.ReadAllLines(stateFolder + "\\inputParams.txt").ToList().ConvertAll(item => double.Parse(item));
if (tempList.Count >= 3)
{
RealWorldMultiplier = tempList[0];
TreadmillSpeed = tempList[1];
IsFreeRun = tempList[2] == 1;
}
if (tempList.Count > 3)
{
bias = tempList[3];
}
else
{
bias = 0.25; // Old versions of VGL have this default bias
}
}
}
// Read in stance List
if (loadPrevious && Directory.Exists(stateFolder) && File.Exists(stateFolder + "\\HindLeftInStance.txt") && File.Exists(stateFolder + "\\HindRightInStance.txt") && File.Exists(stateFolder + "\\FrontLeftInStance.txt") && File.Exists(stateFolder + "\\FrontRightInStance.txt"))
{
HindLeftInStance = File.ReadAllLines(stateFolder + "\\HindLeftInStance.txt").ToList().ConvertAll(item => int.Parse(item));
HindRightInStance = File.ReadAllLines(stateFolder + "\\HindRightInStance.txt").ToList().ConvertAll(item => int.Parse(item));
FrontLeftInStance = File.ReadAllLines(stateFolder + "\\FrontLeftInStance.txt").ToList().ConvertAll(item => int.Parse(item));
FrontRightInStance = File.ReadAllLines(stateFolder + "\\FrontRightInStance.txt").ToList().ConvertAll(item => int.Parse(item));
if (File.Exists(stateFolder + "\\HindLeftMidPointXs.txt") && File.Exists(stateFolder + "\\HindLeftMidPointYs.txt") && File.Exists(stateFolder + "\\HindRightMidPointXs.txt") && File.Exists(stateFolder + "\\HindRightMidPointYs.txt") &&
File.Exists(stateFolder + "\\FrontLeftMidPointXs.txt") && File.Exists(stateFolder + "\\FrontLeftMidPointYs.txt") && File.Exists(stateFolder + "\\FrontRightMidPointXs.txt") && File.Exists(stateFolder + "\\FrontRightMidPointYs.txt"))
{
HindLeftMidPointXs = File.ReadAllLines(stateFolder + "\\HindLeftMidPointXs.txt").ToList().ConvertAll(item => double.Parse(item));
HindLeftMidPointYs = File.ReadAllLines(stateFolder + "\\HindLeftMidPointYs.txt").ToList().ConvertAll(item => double.Parse(item));
HindRightMidPointXs = File.ReadAllLines(stateFolder + "\\HindRightMidPointXs.txt").ToList().ConvertAll(item => double.Parse(item));
HindRightMidPointYs = File.ReadAllLines(stateFolder + "\\HindRightMidPointYs.txt").ToList().ConvertAll(item => double.Parse(item));
FrontLeftMidPointXs = File.ReadAllLines(stateFolder + "\\FrontLeftMidPointXs.txt").ToList().ConvertAll(item => double.Parse(item));
FrontLeftMidPointYs = File.ReadAllLines(stateFolder + "\\FrontLeftMidPointYs.txt").ToList().ConvertAll(item => double.Parse(item));
FrontRightMidPointXs = File.ReadAllLines(stateFolder + "\\FrontRightMidPointXs.txt").ToList().ConvertAll(item => double.Parse(item));
FrontRightMidPointYs = File.ReadAllLines(stateFolder + "\\FrontRightMidPointYs.txt").ToList().ConvertAll(item => double.Parse(item));
}
MessageBox.Show("Loaded saved data from previous session.", "Data Loaded", MessageBoxButton.OK);
}
else
{
// Calculate in stance arrays for all paws (0 means that in the current frame the paw is in swing and 1 means that it's in stance)
if (IsFreeRun)
{
HindLeftInStance = GetCatWalkInStanceArray(HindLeftXs, HindLeftYs, HindLeftHeelXs, HindLeftHeelYs, ref HindLeftMidPointXs, ref HindLeftMidPointYs);
HindRightInStance = GetCatWalkInStanceArray(HindRightXs, HindRightYs, HindRightHeelXs, HindRightHeelYs, ref HindRightMidPointXs, ref HindRightMidPointYs);
FrontLeftInStance = GetCatWalkInStanceArray(FrontLeftXs, FrontLeftYs, FrontLeftHeelXs, FrontLeftHeelYs, ref FrontLeftMidPointXs, ref FrontLeftMidPointYs);
FrontRightInStance = GetCatWalkInStanceArray(FrontRightXs, FrontRightYs, FrontRightHeelXs, FrontRightHeelYs, ref FrontRightMidPointXs, ref FrontRightMidPointYs);
}
else
{
HindLeftInStance = GetTreadMillInStanceArray(HindLeftXs);
HindRightInStance = GetTreadMillInStanceArray(HindRightXs);
FrontLeftInStance = GetTreadMillInStanceArray(FrontLeftXs);
FrontRightInStance = GetTreadMillInStanceArray(FrontRightXs);
}
}
}
// MARK: Dynamic Data Export Methods
private void ExportDynamicGaitData() //exports all dynamic data into separate CSVs by paw and stride (Eg. hindleft_stride3, frontleft_stride2, etc.)
{
StringBuilder csv;
string newLine;
for (int i = 0; i < HindLeftNumberOfStrides; i++) //Hind Left
{
csv = new StringBuilder();
//headers
newLine = string.Format("{0},{1},{2},{3},{4}", "Frame", "Stride Length", "Paw Angle", "Stance Width", "Step Angle");
csv.AppendLine(newLine);
//values for each Frame for a given stride
for (int currentFrame = HindLeftSwitchPositions[i * 2]; currentFrame < HindLeftSwitchPositions[i * 2 + 2]; currentFrame++)
{
string formattedAngle = ""; //empty by default
CalculateCenterOfMass(currentFrame); //TODO: don't remember why I'm calculating the angle all over again
if (HindLeftInStance[currentFrame] == 1) //if it's stance actually caluclate the angle, else just leave it blank (because it's swing and we don't want to include those values)
{
double angle = GetPawAngle(HindLeftYs[currentFrame], HindLeftHeelYs[currentFrame], HindLeftXs[currentFrame], HindLeftHeelXs[currentFrame], CenterOfMassY, SuperButtYs[currentFrame], CenterOfMassX, SuperButtXs[currentFrame]);
formattedAngle = string.Format("{0:00.00}", angle);
}
float midPointTop = (HindRightHeelYs[currentFrame] + HindRightYs[currentFrame]) / 2;
float midPointBottom = (HindLeftHeelYs[currentFrame] + HindLeftYs[currentFrame]) / 2;
string formattedStanceWidth = string.Format("{0:00.00}", (midPointTop - midPointBottom) * RealWorldMultiplier);
newLine = string.Format("{0},{1},{2},{3},{4}", currentFrame, HindLeftStrides[i], formattedAngle, formattedStanceWidth, "");
csv.AppendLine(newLine);
}
File.WriteAllText(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export\\" + "hindleft_stride" + i + ".csv", csv.ToString());
}
for (int i = 0; i < HindRightNumberOfStrides; i++) //Hind Right
{
csv = new StringBuilder();
//headers
newLine = string.Format("{0},{1},{2},{3},{4}", "Frame", "Stride Length", "Paw Angle", "Stance Width", "Step Angle");
csv.AppendLine(newLine);
//values for each Frame for a given stride
for (int currentFrame = HindRightSwitchPositions[i * 2]; currentFrame < HindRightSwitchPositions[i * 2 + 2]; currentFrame++)
{
string formattedAngle = "";
CalculateCenterOfMass(currentFrame);
if (HindRightInStance[currentFrame] == 1)
{
double angle = GetPawAngle(HindRightYs[currentFrame], HindRightHeelYs[currentFrame], HindRightXs[currentFrame], HindRightHeelXs[currentFrame], CenterOfMassY, SuperButtYs[currentFrame], CenterOfMassX, SuperButtXs[currentFrame]);
formattedAngle = string.Format("{0:00.00}", angle);
}
float midPointTop = (HindRightHeelYs[currentFrame] + HindRightYs[currentFrame]) / 2;
float midPointBottom = (HindLeftHeelYs[currentFrame] + HindLeftYs[currentFrame]) / 2;
string formattedStanceWidth = string.Format("{0:00.00}", (midPointTop - midPointBottom) * RealWorldMultiplier);
newLine = string.Format("{0},{1},{2},{3},{4}", currentFrame, HindRightStrides[i], formattedAngle, formattedStanceWidth, "");
csv.AppendLine(newLine);
}
File.WriteAllText(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export\\" + "hindright_stride" + i + ".csv", csv.ToString());
}
for (int i = 0; i < FrontLeftNumberOfStrides; i++) //Front Left
{
csv = new StringBuilder();
//headers
newLine = string.Format("{0},{1},{2},{3},{4}", "Frame", "Stride Length", "Paw Angle", "Stance Width", "Step Angle");
csv.AppendLine(newLine);
//values for each Frame for a given stride
for (int currentFrame = FrontLeftSwitchPositions[i * 2]; currentFrame < FrontLeftSwitchPositions[i * 2 + 2]; currentFrame++)
{
string formattedAngle = "";
CalculateCenterOfMass(currentFrame);
if (FrontLeftInStance[currentFrame] == 1)
{
double angle = GetPawAngle(FrontLeftYs[currentFrame], FrontLeftHeelYs[currentFrame], FrontLeftXs[currentFrame], FrontLeftHeelXs[currentFrame], NoseYs[currentFrame], CenterOfMassY, NoseXs[currentFrame], CenterOfMassX);
formattedAngle = string.Format("{0:00.00}", angle);
}
float midPointTop = (FrontRightHeelYs[currentFrame] + FrontRightYs[currentFrame]) / 2;
float midPointBottom = (FrontLeftHeelYs[currentFrame] + FrontLeftYs[currentFrame]) / 2;
string formattedStanceWidth = string.Format("{0:00.00}", (midPointTop - midPointBottom) * RealWorldMultiplier);
newLine = string.Format("{0},{1},{2},{3},{4}", currentFrame, FrontLeftStrides[i], formattedAngle, formattedStanceWidth, "");
csv.AppendLine(newLine);
}
File.WriteAllText(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export\\" + "frontleft_stride" + i + ".csv", csv.ToString());
}
for (int i = 0; i < FrontRightNumberOfStrides; i++) //Front Right
{
csv = new StringBuilder();
//headers
newLine = string.Format("{0},{1},{2},{3},{4}", "Frame", "Stride Length", "Paw Angle", "Stance Width", "Step Angle");
csv.AppendLine(newLine);
//values for each Frame for a given stride
for (int currentFrame = FrontRightSwitchPositions[i * 2]; currentFrame < FrontRightSwitchPositions[i * 2 + 2]; currentFrame++)
{
string formattedAngle = "";
CalculateCenterOfMass(currentFrame);
if (FrontRightInStance[currentFrame] == 1)
{
double angle = GetPawAngle(FrontRightYs[currentFrame], FrontRightHeelYs[currentFrame], FrontRightXs[currentFrame], FrontRightHeelXs[currentFrame], NoseYs[currentFrame], CenterOfMassY, NoseXs[currentFrame], CenterOfMassX);
formattedAngle = string.Format("{0:00.00}", angle);
}
float midPointTop = (FrontRightHeelYs[currentFrame] + FrontRightYs[currentFrame]) / 2;
float midPointBottom = (FrontLeftHeelYs[currentFrame] + FrontLeftYs[currentFrame]) / 2;
string formattedStanceWidth = string.Format("{0:00.00}", (midPointTop - midPointBottom) * RealWorldMultiplier);
newLine = string.Format("{0},{1},{2},{3},{4}", currentFrame, FrontRightStrides[i], formattedAngle, formattedStanceWidth, "");
csv.AppendLine(newLine);
}
File.WriteAllText(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export\\" + "frontright_stride" + i + ".csv", csv.ToString());
}
}
//MARK: Static Data Export Methods
private void ExportStaticGaitData() //exports all static data into a single csv file
{
var csv = new StringBuilder();
var newLine = string.Format("{0},{1},{2},{3},{4}", "", "Left Hind", "Right Hind", "Left Fore", "Right Fore");
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Average Stance (ms)", HindLeftAverageStanceDuration, HindRightAverageStanceDuration, FrontLeftAverageStanceDuration, FrontRightAverageStanceDuration);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Standard Error of Mean", HindLeftAverageStanceDurationSEM, HindRightAverageStanceDurationSEM, FrontLeftAverageStanceDurationSEM, FrontRightAverageStanceDurationSEM);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Average Swing (ms)", HindLeftAverageSwingDuration, HindRightAverageSwingDuration, FrontLeftAverageSwingDuration, FrontRightAverageSwingDuration);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Standard Error of Mean", HindLeftAverageSwingDurationSEM, HindRightAverageSwingDurationSEM, FrontLeftAverageSwingDurationSEM, FrontRightAverageSwingDurationSEM);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Average Stride (ms)", HindLeftAverageStanceDuration + HindLeftAverageSwingDuration, HindRightAverageStanceDuration + HindRightAverageSwingDuration, FrontLeftAverageStanceDuration + FrontLeftAverageSwingDuration, FrontRightAverageStanceDuration + FrontRightAverageSwingDuration);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Standard Error of Mean", HindLeftStrideDurationSEM, HindRightStrideDurationSEM, FrontLeftStrideDurationSEM, FrontRightStrideDurationSEM);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Percentage Stance", LHStancePercentageLabel.Text, RHStancePercentageLabel.Text, LFStancePercentageLabel.Text, RFStancePercentageLabel.Text);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Percentage Swing", LHSwingPercentageLabel.Text, RHSwingPercentageLabel.Text, LFSwingPercentageLabel.Text, RFSwingPercentageLabel.Text);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Swing to Stance", LHSwingToStanceLabel.Text, RHSwingToStanceLabel.Text, LFSwingToStanceLabel.Text, RFSwingToStanceLabel.Text);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Stride Frequency (Hz)", LHFrequencyLabel.Text, RHFrequencyLabel.Text, LFFrequencyLabel.Text, RFFrequencyLabel.Text);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Number of Strides", HindLeftNumberOfStrides, HindRightNumberOfStrides, FrontLeftNumberOfStrides, FrontRightNumberOfStrides);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Stride Length Variability", LHStrideLengthVariabilityLabel.Text, RHStrideLengthVariabilityLabel.Text, LFStrideLengthVariabilityLabel.Text, RFStrideLengthVariabilityLabel.Text);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Gait Symmetry", LFGaitSymmetryLabel.Text, LFGaitSymmetryLabel.Text, LFGaitSymmetryLabel.Text, LFGaitSymmetryLabel.Text);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Paw Angle Avg (deg)", HindLeftPawAngleAvg, HindRightPawAngleAvg, FrontLeftPawAngleAvg, FrontRightPawAngleAvg);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Standard Error of Mean", HindLeftPawAngleSEM, HindRightPawAngleSEM, FrontLeftPawAngleSEM, FrontRightPawAngleSEM);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Stance Width Avg (mm)", HindStanceWidthAvg, HindStanceWidthAvg, ForeStanceWidthAvg, ForeStanceWidthAvg);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Standard Error of Mean", HindStanceWidthSEM, HindStanceWidthSEM, ForeStanceWidthSEM, ForeStanceWidthSEM);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Stride Length Avg (mm)", HindLeftStrideLenAvg, HindRightStrideLenAvg, FrontLeftStrideLenAvg, FrontRightStrideLenAvg);
csv.AppendLine(newLine);
newLine = string.Format("{0},{1},{2},{3},{4}", "Standard Error of Mean", HindLeftStrideLenSEM, HindRightStrideLenSEM, FrontLeftStrideLenSEM, FrontRightStrideLenSEM);
csv.AppendLine(newLine);
if (!Directory.Exists(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export"))
{
Directory.CreateDirectory(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export");
}
File.WriteAllText(GaitVideoPath.Substring(0, GaitVideoPath.LastIndexOf("\\")) + "\\gait-export\\staticdata.csv", csv.ToString());
}