/// <summary>
/// Computes the subline of a <see cref="LineString"/> between
/// two <see cref="LineStringLocation"/>s on the line.
/// If the start location is after the end location,
/// the computed geometry is reversed.
/// </summary>
/// <param name="line">The line to use as the baseline.</param>
/// <param name="start">The start location.</param>
/// <param name="end">The end location.</param>
/// <returns> Returns the extracted subline.</returns>
public static Geometry Extract(Geometry line, LinearLocation start,
LinearLocation end)
{
ExtractLineByLocation ls = new ExtractLineByLocation(line);
return(ls.Extract(start, end));
}
/// <summary>
/// Computes the <see cref="LineString"/> for the interval on the line
/// between the given indices.
/// </summary>
/// <param name="startIndex">
/// The index of the start of the interval.
/// </param>
/// <param name="endIndex">
/// The index of the end of the interval.
/// </param>
/// <returns>The linear interval between the indices.</returns>
/// <remarks>
/// If the endIndex lies before the startIndex, the computed
/// geometry is reversed.
/// </remarks>
public virtual Geometry ExtractLine(double startIndex, double endIndex)
{
// LocationIndexedLine lil = new LocationIndexedLine(linearGeom);
LinearLocation startLoc = LocationOf(startIndex);
LinearLocation endLoc = LocationOf(endIndex);
return(ExtractLineByLocation.Extract(linearGeom,
startLoc, endLoc));
}
/// <summary> Computes the <see cref="LineString"/> for the interval
/// on the line between the given indices.
///
/// </summary>
/// <param name="startIndex">the index of the start of the interval
/// </param>
/// <param name="endIndex">the index of the end of the interval
/// </param>
/// <returns> the linear interval between the indices
/// </returns>
public Geometry ExtractLine(LinearLocation startIndex,
LinearLocation endIndex)
{
return(ExtractLineByLocation.Extract(linearGeom,
startIndex, endIndex));
}