/// <summary>
/// Creates a <see cref="SingleLineCrossingDetector"/> using the provided coordinates for the start and end point of the line.
/// </summary>
/// <param name="a">The X coordinate of the first point of the line.</param>
/// <param name="b">The Y coordinate of the first point of the line.</param>
/// <param name="c">The X coordinate of the second point of the line.</param>
/// <param name="d">The Y coordinate of the second point of the line.</param>
/// <param name="threshold">The overlap fraction threshold for this detector to be considered occupied.</param>
/// <param name="sFactor">The frame rate sampling factor.</param>
public SingleLineCrossingDetector(int a, int b, int c, int d, double threshold, int sFactor)
{
line = new DetectionLine(a, b, c, d, threshold);
lineCrossingDetector = new FallingEdgeCrossingDetector(sFactor);
}
/// <summary>
/// Creates a <see cref="SingleLineCrossingDetector"/> using the provided coordinates for the start and end point of the line.
/// </summary>
/// <param name="a">The X coordinate of the first point of the line.</param>
/// <param name="b">The Y coordinate of the first point of the line.</param>
/// <param name="c">The X coordinate of the second point of the line.</param>
/// <param name="d">The Y coordinate of the second point of the line.</param>
public SingleLineCrossingDetector(int a, int b, int c, int d)
{
line = new DetectionLine(a, b, c, d);
lineCrossingDetector = new FallingEdgeCrossingDetector(1);
}