public override bool run()
{
try
{
method = (Method)getValue("method");
rho = (double)getValue("rho");
theta = (double)getValue("theta");
threshold = (int)getValue("threshold");
switch (method)
{
case Method.SHT:
LineSegmentPolar[] polars = src.HoughLines(rho, theta, threshold, 0, 0);
result = new LineSegmentPoint[polars.Length];
for (int i = 0; i < polars.Length; i++)
{
LineSegmentPolar p = polars[i];
result[i] = p.ToSegmentPoint(src.Width);
}
break;
case Method.MHT:
srn = (double)getValue("srn");
stn = (double)getValue("stn");
LineSegmentPolar[] m_polars = src.HoughLines(rho, theta, threshold, srn, stn);
result = new LineSegmentPoint[m_polars.Length];
for (int i = 0; i < m_polars.Length; i++)
{
LineSegmentPolar p = m_polars[i];
result[i] = p.ToSegmentPoint(1.0);
}
break;
case Method.PPHT:
minLineLength = (double)getValue("minLineLength");
maxLineGap = (double)getValue("maxLineGap");
result = src.HoughLinesP(rho, theta, threshold, minLineLength, maxLineGap);
break;
default:
break;
}
}
catch (Exception ex)
{
throw ex;
}
return(true);
}
public static void Draw(this LineSegmentPolar line, Mat image, Scalar color)
{
var xz = line.XPosOfLine(0);
var yz = line.YPosOfLine(0);
if (xz.HasValue && !yz.HasValue)
{
image.Line(new Point(xz.Value, 0), new Point(xz.Value, image.Height), color);
}
else if (!xz.HasValue && yz.HasValue)
{
image.Line(new Point(0, yz.Value), new Point(image.Width, yz.Value), color);
}
else
{
var seg = line.ToSegmentPointX(0, image.Width);
image.Line(seg.P1, seg.P2, color);
}
}
public static bool IsBetween(this LineSegmentPolar line, double first, double second)
{
return(line.Theta >= first / 180 * Math.PI && line.Theta <= second / 180 * Math.PI);
}
public static bool IsSimilarTo(this LineSegmentPolar line, LineSegmentPolar thatLine)
{
return(Math.Abs(line.Rho - thatLine.Rho) < 10 && Math.Abs(line.Theta - thatLine.Theta) < 0.1);
}