/// <summary>
/// Computes the closest point on this line segment to another point.
/// </summary>
/// <param name="p">The point to find the closest point to.</param>
/// <returns>
/// A Coordinate which is the closest point on the line segment to the point p.
/// </returns>
public ICoordinate ClosestPoint(ICoordinate p)
{
var factor = ProjectionFactor(p);
if (factor > 0 && factor < 1)
{
return(Project(p));
}
var dist0 = P0.Distance(p);
var dist1 = P1.Distance(p);
return(dist0 < dist1 ? P0 : P1);
}
/// <summary>
/// Computes the closest point on this line segment to another point.
/// </summary>
/// <param name="p">The point to find the closest point to.</param>
/// <returns>
/// A Coordinate which is the closest point on the line segment to the point p.
/// </returns>
public ICoordinate ClosestPoint(ICoordinate p)
{
double factor = ProjectionFactor(p);
if (factor > 0 && factor < 1)
{
return(Project(p));
}
double dist0 = P0.Distance(p);
double dist1 = P1.Distance(p);
if (dist0 < dist1)
{
return(P0);
}
else
{
return(P1);
}
}