/// <summary>
/// Create a new (or update an existing) coordinate system in the model
/// </summary>
/// <param name="cSystem">The geometry coordinate system to assign as this user system</param>
/// <param name="name">Optional. The name of the user coordinate system. If not specified a
/// name will be automatically generated.</param>
/// <param name="exInfo">Optional. The execution information of the current action.
/// If an object has been created previously with matching execution information then
/// instead of creating a new item this previous one will be updated and returned instead.
/// This enables this method to be used parametrically.</param>
/// <returns>The created or updated user coordinate system.</returns>
public UserCoordinateSystemReference UserCoordinateSystemReference(ICoordinateSystem cSystem, string name = null, ExecutionInfo exInfo = null)
{
UserCoordinateSystemReference result = new UserCoordinateSystemReference();
result = Model.History.Update(exInfo, result);
if (name != null)
{
result.Name = name;
}
if (result.Name == null)
{
result.Name = Model.CoordinateSystems.NextAvailableName("Coordinate System", result, true);
}
Model.Add(result);
return(result);
}
/// <summary>
/// Add a new user-defined coordinate system to this model, if it does not
/// already exist within it
/// </summary>
/// <param name="cSystem">The user-defined coordinate system to be added.</param>
/// <returns>True if the coordinate system could be added,
/// false if it already existed within the model.</returns>
public bool Add(UserCoordinateSystemReference cSystem)
{
return(CoordinateSystems.TryAdd(cSystem));
}