/// <summary>
/// Initializes a new instance of the <see cref="Node"/> class that refers to
/// a specific point, with the specified location.
/// </summary>
/// <param name="p">The point that will be assigned this geometry (not null).
/// Modified by referring its geometry to <c>this</c> node.</param>
/// <param name="g">The geometry for the point (not null)</param>
internal Node(PointFeature p, PointGeometry g)
: base(g)
{
if (p==null)
throw new ArgumentNullException();
m_Points = new List<PointFeature>(1);
m_Points.Add(p);
// Ensure the point is associated with this node
p.SetNode(this);
}
/// <summary>
/// Initializes a new instance of the <see cref="Node"/> class that refers to
/// a specific point, with the specified location.
/// </summary>
/// <param name="p">The point that will be assigned this geometry (not null).
/// Modified by referring its geometry to <c>this</c> node.</param>
/// <param name="g">The geometry for the point (not null)</param>
internal Node(PointFeature p, PointGeometry g)
: base(g)
{
if (p == null)
{
throw new ArgumentNullException();
}
m_Points = new List <PointFeature>(1);
m_Points.Add(p);
// Ensure the point is associated with this node
p.SetNode(this);
}
PointFeature GetArcEndPoint(PointGeometry g, ILength tol, Operation creator)
{
// Ensure we've got a point at the required position
PointFeature pt = EnsurePointExists(g, tol, creator);
// If it's not exactly coincident, we've picked up a previously loaded point
// that happens to be within tolerance. If it's not already connected to any
// lines, shift it to where we want it.
if (!pt.IsCoincident(g))
{
if (!pt.HasDependents)
{
m_Index.Remove(pt);
PointFeature[] pts = pt.Node.Points;
pt.SetNode(new Node(pts, g));
m_Index.Add(pt);
}
}
return(pt);
}
