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Enable parameter set selection within a parent product system #457
Description
Product system A: contains multiple parameter sets - Baseline, Parameter set A1, and Parameter set A2
Product system B contains Product system A as a child product system (or sub-product system): it would be nice to allow the selection of a product system A parameter sets (either Parameter set A1 or Parameter set A2) within the parameter set definition of product system B.
Activity
msrocka commentedon Dec 10, 2025
We are thinking about making parameter sets stand-alone datasets (same as flows, global parameters, etc.) so that it is easier to reuse them in product systems and projects. A product system could then have a default parameter set. In a calculation, the selected parameter set of a product system would be then also applied to the sub-systems unless a sub-system has a default parameter set with a flag like do not overwrite. What do you think?
m-jamieson commentedon Dec 18, 2025
I think this sounds like it's in the right direction. I need more clarification on what exactly the parameter set of a product system would include. Is the idea that when you're defining a parameter set for a product system with sub-systems, that the drop-down menu would include all the processes contained in the sub-system? Then those parameters would override parameter values within that subsystem?
I think for my use case, what I would want to do before calculating a product system is to change the default parameter set for the sub-system and mark it as do not overwrite. Does that sound right to you?
Alternatively, when defining a parameter set for the parent product system, could we allow the choice of a parameter set for sub-systems?