/// <summary>
/// Simplifies the specified polygon.
/// </summary>
/// <param name="source">The polygon.</param>
/// <param name="delta">The tolerance.</param>
/// <param name="precisionModel">The precision model.</param>
/// <returns>The simplified polygon.</returns>
/// <exception cref="System.ArgumentNullException">The source is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">The delta is less than or equal to 0.</exception>
public static IBasicPolygon Simplify(IBasicPolygon source, Double delta, PrecisionModel precisionModel)
{
if (source == null)
{
throw new ArgumentNullException("source", "The source is null.");
}
if (source.Shell == null || source.Shell.Coordinates == null)
{
return(null);
}
DouglasPeuckerAlgorithm algorithm = new DouglasPeuckerAlgorithm(source.Shell.Coordinates, delta, precisionModel);
algorithm.Compute();
IList <Coordinate> shell = algorithm.Result;
List <IList <Coordinate> > holes = new List <IList <Coordinate> >();
foreach (IBasicLineString hole in source.Holes)
{
if (hole == null || hole.Coordinates == null)
{
continue;
}
algorithm = new DouglasPeuckerAlgorithm(hole.Coordinates, delta, precisionModel);
algorithm.Compute();
holes.Add(algorithm.Result);
}
return(new BasicPolygon(shell, holes));
}
/// <summary>
/// Simplifies the specified line string.
/// </summary>
/// <param name="source">The coordinates of the line string.</param>
/// <param name="delta">The tolerance.</param>
/// <param name="precisionModel">The precision model.</param>
/// <returns>The list of coordinates of the simplified line string.</returns>
/// <exception cref="System.ArgumentNullException">The source is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">The delta is less than or equal to 0.</exception>
public static IList <Coordinate> Simplify(IList <Coordinate> source, Double delta, PrecisionModel precisionModel)
{
DouglasPeuckerAlgorithm algorithm = new DouglasPeuckerAlgorithm(source, delta, precisionModel);
algorithm.Compute();
return(algorithm.Result);
}
/// <summary>
/// Simplifies the specified line string.
/// </summary>
/// <param name="source">The line string.</param>
/// <param name="delta">The tolerance.</param>
/// <param name="precisionModel">The precision model.</param>
/// <returns>The simplified line string.</returns>
/// <exception cref="System.ArgumentNullException">The source is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">The delta is less than or equal to 0.</exception>
public static IBasicLineString Simplify(IBasicLineString source, Double delta, PrecisionModel precisionModel)
{
if (source == null)
{
throw new ArgumentNullException("source", "The source is null.");
}
if (source.Coordinates == null)
{
return(null);
}
DouglasPeuckerAlgorithm algorithm = new DouglasPeuckerAlgorithm(source.Coordinates, delta, precisionModel);
algorithm.Compute();
return(new BasicLineString(algorithm.Result));
}