/// <summary>
/// Computes the indices for a subline of the line.
/// (The subline must conform to the line; that is,
/// all vertices in the subline (except possibly the first and last)
/// must be vertices of the line and occcur in the same order).
/// </summary>
/// <param name="subLine">A subLine of the line.</param>
/// <returns>A pair of indices for the start and end of the subline..</returns>
public virtual double[] IndicesOf(Geometry subLine)
{
LinearLocation[] locIndex = LocationIndexOfLine.IndicesOf(linearGeom, subLine);
double[] index = new double[]
{
LengthLocationMap.GetLength(linearGeom, locIndex[0]),
LengthLocationMap.GetLength(linearGeom, locIndex[1]),
};
return(index);
}
/// <summary>
///
/// </summary>
/// <param name="linearGeom"></param>
/// <param name="subLine"></param>
/// <returns></returns>
public static LinearLocation[] IndicesOf(IGeometry linearGeom, IGeometry subLine)
{
/*
* MD - this algorithm has been extracted into a class
* because it is intended to validate that the subline truly is a subline,
* and also to use the internal vertex information to unambiguously locate the subline.
*/
LocationIndexOfLine locater = new LocationIndexOfLine(linearGeom);
return(locater.IndicesOf(subLine));
}
/// <summary>
/// Computes the indices for a subline of the line.
/// (The subline must conform to the line; that is,
/// all vertices in the subline (except possibly the first and last)
/// must be vertices of the line and occcur in the same order).
/// </summary>
/// <param name="subLine">A subLine of the line.</param>
/// <returns>A pair of indices for the start and end of the subline.</returns>
public virtual LinearLocation[] IndicesOf(Geometry subLine)
{
return(LocationIndexOfLine.IndicesOf(linearGeom, subLine));
}