Creates an editor session to create features of the given geometry type.
While the session is active: Do not change the geometry on the current feature (the last created one)
and do not change crucial olcs properties on the feature or the layer (olcs_altitudeMode)
Creates an editor session to create features of the given geometry type. While the session is active: Do not change the geometry on the current feature (the last created one) and do not change crucial olcs properties on the feature or the layer (olcs_altitudeMode)