/// <summary>
/// Attempts to locate the circle closest to a position of interest.
/// </summary>
/// <param name="p">The search position (on the circumference of the circle)</param>
/// <param name="tol">The search tolerance</param>
/// <returns>The circle closest to the search position (null if nothing found)</returns>
internal Circle QueryClosestCircle(IPosition p, ILength tol)
{
ISpatialObject so = m_ExtraData.QueryClosest(p, tol, SpatialType.Line);
if (so == null)
{
return(null);
}
Debug.Assert(so is Circle);
return(so as Circle);
}
private PointFeature EnsurePointExists(PointGeometry p, ILength tol, Operation creator)
{
PointFeature result = (PointFeature)m_Index.QueryClosest(p, tol, SpatialType.Point);
if (result == null)
{
IEntity e = creator.MapModel.DefaultPointType;
InternalIdValue id = CadastralMapModel.Current.WorkingSession.AllocateNextId();
result = new PointFeature(creator, id, e, p);
m_Index.Add(result);
m_Result.Add(result);
}
return(result);
}