private void DrawFeature(Graphics _canvas, Color _color, int _width, Ipoint _point, Point _topLeft)
{
int xd = (int)(_point.x + _topLeft.X);
int yd = (int)(_point.y + _topLeft.Y);
float scale = _point.scale;
float orientation = _point.orientation;
float radius = ((9.0f / 1.2f) * scale) / 3.0f;
Pen penPoint = new Pen(_color, _width);
_canvas.DrawEllipse(penPoint, xd - radius, yd - radius, 2 * radius, 2 * radius);
double dx = radius * Math.Cos(orientation);
double dy = radius * Math.Sin(orientation);
_canvas.DrawLine(penPoint, new Point(xd, yd), new Point((int)(xd + dx), (int)(yd + dy)));
penPoint.Dispose();
}
public override void ResetTrackData()
{
FoundFeatures.Clear();
MatchedFeature = null;
SearchWindow = new Point(0, 0);
}
