/// <summary>
/// Computes the union of the specified <see cref="IGeometry" /> instances.
/// </summary>
/// <param name="geometry">The geometry.</param>
/// <param name="otherGeometry">The other geometry.</param>
/// <returns>The union of the <see cref="IGeometry" /> instances.</returns>
/// <exception cref="System.ArgumentNullException">
/// The geometry is null.
/// or
/// The other geometry is null.
/// </exception>
/// <exception cref="System.ArgumentException">The operation is not supported with the specified geometry types.</exception>
public static IGeometry Union(this IGeometry geometry, IGeometry otherGeometry)
{
if (geometry == null)
{
throw new ArgumentNullException("geometry", "The geometry is null.");
}
if (otherGeometry == null)
{
throw new ArgumentNullException("otherGeometry", "The other geometry is null.");
}
using (IGeometryOverlayOperator op = GetOverlayOperator(geometry))
{
return(op.Union(geometry, otherGeometry));
}
}
public void Setup()
{
_factory = new GeometryFactory();
_operator = new HalfedgeGeometryOverlayOperator(_factory);
}
