private void DrawDistribution(Dictionary <int, int> dic, Brush brush)
{
GaussianFit fit = new GaussianFit();
foreach (int key in dic.Keys)
{
if (dic[key] != 0)
{
fit.AddPoint(key, dic[key]);
}
}
fit.Solve();
int maxY = dic.Values.Max();
int minX = dic.Keys.Min();
int maxX = dic.Keys.Max();
int x0 = 10;
int y0 = 10;
float scaleX = (pictureBox.Width - 2 * x0) * 1.0f / (maxX - minX);
float scaleY = (pictureBox.Height - 2 * y0) * 1.0f / maxY;
if (maxY != 0 && maxX != minX)
{
using (Graphics g = Graphics.FromImage(pictureBox.Image))
{
g.Clear(m_BackgroundColor);
float halfBarWidth = (pictureBox.Width - 2 * x0) / (2.0f * dic.Keys.Count);
foreach (int x in dic.Keys)
{
int y = dic[x];
float xx = x0 + (x - minX) * scaleX;
float yy = pictureBox.Height - y0 - y * scaleY;
g.FillRectangle(brush, xx - halfBarWidth, yy + 1, 2 * halfBarWidth, pictureBox.Height - y0 - yy);
}
g.Save();
}
}
pictureBox.Refresh();
}
