public static double IndexOfAfter(Geometry linearGeom,
Coordinate inputPt, double minIndex)
{
LengthIndexOfPoint locater = new LengthIndexOfPoint(linearGeom);
return(locater.IndexOfAfter(inputPt, minIndex));
}
/// <summary>
/// Computes the index for the closest point on the line to the
/// given point.
/// </summary>
/// <param name="point">A point on the line.</param>
/// <returns>The index of the point.</returns>
/// <remarks>
/// If more than one point has the closest distance the first one along the line
/// is returned.
/// (The point does not necessarily have to lie precisely on the line.)
/// </remarks>
public virtual double Project(Coordinate point)
{
return(LengthIndexOfPoint.IndexOf(linearGeom, point));
}
/// <summary>
/// Finds the index for a point on the line which is greater than
/// the given index.
/// </summary>
/// <param name="point">A point on the line.</param>
/// <param name="minIndex">
/// The value the returned index must be greater than.
/// </param>
/// <returns>
/// The index of the point greater than the given minimum index.
/// </returns>
/// <remarks>
/// If no such index exists, returns <c>minIndex</c>.
/// This method can be used to determine all indexes for
/// a point which occurs more than once on a non-simple line.
/// It can also be used to disambiguate cases where the given point lies
/// slightly off the line and is equidistant from two different
/// points on the line.
/// <para>
/// The supplied point does not <b>necessarily</b> have to lie precisely
/// on the line, but if it is far from the line the accuracy and
/// performance of this function is not guaranteed.
/// Use <see cref="Project"/> to compute a guaranteed result for points
/// which may be far from the line.
/// </para>
/// </remarks>
/// <seealso cref="Project"/>
public virtual double IndexOfAfter(Coordinate point, double minIndex)
{
return(LengthIndexOfPoint.IndexOfAfter(linearGeom, point, minIndex));
}
public static double IndexOf(Geometry linearGeom, Coordinate inputPt)
{
LengthIndexOfPoint locater = new LengthIndexOfPoint(linearGeom);
return(locater.IndexOf(inputPt));
}