contains some useful data sources that provide informations about node models.
extends FET.Data_Source
a data source that provides a list of currently available views.
private FET.Parameter_Pot PP
private OpenCAGE.Data.Data Oc_Data
public FET.Parameter_Pot Get(void);
public FET.Parameter_Pot Get
Return the parameter pot of this data_source [This description is adopted from 'FET.Data_Source'.]