handle source stratum

[muetzekoeln]

Please add source stratum to the source selection stage (filter higher strata) and the source combining stage (e.g. by weighting by stratum).

[davidv1992]

What is the exact use for this? E.g. what are you trying to achieve in your setup?

[davidv1992]

I am going to close this as not planned, as I am unable to exact with enough specificity what is desired here.