/// <summary>
/// Adds a termination point (or re-use a point if it happens to be the offset point).
/// </summary>
/// <param name="loc">The location for the termination point.</param>
/// <returns>The point feature at the termination point (may be the position that was
/// used to define the offset to the parallel line).</returns>
PointFeature AddPoint(IPosition loc)
{
CadastralMapModel map = CadastralMapModel.Current;
// Add the split point (with default entity type). If a
// point already exists at the location, you'll get back
// that point instead.
// We do this in case the user has decided to
// terminate on a line connected to the offset point
// that defines the offset to the parallel (which the
// UI lets the user do).
PointFeature p = this.OffsetPoint;
if (p != null)
{
IPointGeometry pg = PointGeometry.Create(loc);
if (p.IsCoincident(pg))
{
return(p);
}
}
p = map.AddPoint(p, map.DefaultPointType, this);
p.SetNextId();
return(p);
}
/// <summary>
/// Executes this operation.
/// </summary>
/// <param name="cps">The points to save (none of these should correspond to previously created
/// features in the map model, otherwise an exception will be raised).</param>
/// <param name="ent">The entity type to assign to control points</param>
internal void Execute(ControlPoint[] cps, IEntity ent)
{
CadastralMapModel mapModel = CadastralMapModel.Current;
foreach (ControlPoint cp in cps)
{
// Add a new point to the map & define it's ID
PointFeature p = mapModel.AddPoint(cp, ent, this);
// Create the new ID (and point the ID and feature to each other).
string keystr = cp.ControlId.ToString();
ForeignId fid = new ForeignId(keystr);
fid.Add(p);
m_Features.Add(p);
}
Complete();
}
