// heatmap
public Image DrawHeatMap(Image img_origin, GazePoint points)
{
Image img = (Image)img_origin.Clone();
Graphics g = Graphics.FromImage(img);
float step = 30;
int cell_w = (int)(img.Width / step);
int cell_h = (int)(img.Height / step);
int[,] a = new int[cell_h, cell_w];
foreach (var p in points.list)
{
var x = p.X / step;
var y = p.Y / step;
if (x > cell_w)
x = cell_w - 1;
if (y > cell_h)
y = cell_h - 1;
a[(int)(y), (int)(x)]++;
}
int min = (from int v in a select v).Min();
int max = (from int v in a select v).Max();
int mean = (max - min) / 2;
//draw grid
for (var i = 0; i < cell_h; i++)
for (var j = 0; j < cell_w; j++)
{
g.FillRectangle(new SolidBrush(HeatMapColor(a[i, j], min, max)), j * step, i * step, step, step);
}
return img;
}
GazePoint loadData()
{
//load data left
openFileDialog.Title = "Data" + spoints.Count.ToString() + 1;
GazePoint points_tmp = new GazePoint();
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
try
{
//load points
StreamReader sr = new StreamReader(openFileDialog.FileName);
//fill in our gazepoints structure
string line = "";
string bline = "";
int PointCountFromFile = 0;
int PointCountCopy = 0;
int PointCountClear = 0;
while ((line = sr.ReadLine()) != null)
{
PointCountFromFile++;
if (line != bline)
{
var tmp = line.Split(new string[] { ", " }, StringSplitOptions.None);
points_tmp.list.Add(new PointF(float.Parse(tmp[0]), float.Parse(tmp[1])));
points_tmp.times.Add(double.Parse(tmp[2]));
bline = line;
PointCountClear++;
}
else
{
PointCountCopy++;
}
}
lInfo.Text = ("Точек в файле: " + PointCountFromFile.ToString() + "\nУдалено дублей: " + PointCountCopy.ToString() + "\nОсталось чистых: " + PointCountClear.ToString());
sr.Close();
}
catch (Exception ex)
{
}
}
return points_tmp;
}
public GazePoint(GazePoint inp)
{
list = new List<PointF>(inp.list);
times = new List<double>(inp.times);
}
//open dialogs for all files
private void left_pic_box_Click(object sender, EventArgs e)
{
//load image
openFileDialog.Title = "Maain Images";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
try
{
filename = openFileDialog.FileName;
img_origin = Image.FromFile(openFileDialog.FileName);
left_pic_box.Image = img_origin;
right_pic_box.Image = img_origin;
}
catch (Exception ex)
{
}
}
//load data left
openFileDialog.Title = "Data Left";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
try
{
//load points
StreamReader sr = new StreamReader(openFileDialog.FileName);
//fill in our gazepoints structure
points_left = new GazePoint();
string line = "";
string bline = "";
int PointCountFromFile = 0;
int PointCountCopy = 0;
int PointCountClear = 0;
while ((line = sr.ReadLine()) != null)
{
PointCountFromFile++;
if (line != bline)
{
var tmp = line.Split(new string[] { ", " }, StringSplitOptions.None);
points_left.list.Add(new PointF(float.Parse(tmp[0]), float.Parse(tmp[1])));
points_left.times.Add(double.Parse(tmp[2]));
bline = line;
PointCountClear++;
}
else
{
PointCountCopy++;
}
}
MessageBox.Show("Точек в файле: " + PointCountFromFile.ToString() + "\nУдалено дублей: " + PointCountCopy.ToString() + "\nОсталось чистых: " + PointCountClear.ToString());
sr.Close();
}
catch (Exception ex)
{
}
}
//load data right
openFileDialog.Title = "Data right";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
try
{
//load points
StreamReader sr = new StreamReader(openFileDialog.FileName);
//fill in our gazepoints structure
points_right = new GazePoint();
string line = "";
string bline = "";
int PointCountFromFile = 0;
int PointCountCopy = 0;
int PointCountClear = 0;
while ((line = sr.ReadLine()) != null)
{
PointCountFromFile++;
if (line != bline)
{
var tmp = line.Split(new string[] { ", " }, StringSplitOptions.None);
points_right.list.Add(new PointF(float.Parse(tmp[0]), float.Parse(tmp[1])));
points_right.times.Add(double.Parse(tmp[2]));
bline = line;
PointCountClear++;
}
else
{
PointCountCopy++;
}
}
MessageBox.Show("Точек в файле: " + PointCountFromFile.ToString() + "\nУдалено дублей: " + PointCountCopy.ToString() + "\nОсталось чистых: " + PointCountClear.ToString());
sr.Close();
}
catch (Exception ex)
{
}
}
}