Get storagewidth as dA/dh from neighboring values in processed XS areas at waterLevel
This is how M11 does it - ONLY USED IN M11 SCHEME WHEN COMPARING DIRECTLY WITH M11 RESULTS
Only implemented in XSOpen for now
Definition
Namespace:DHI.Mike1D.CrossSectionModule Assembly: DHI.Mike1D.CrossSectionModule (in DHI.Mike1D.CrossSectionModule.dll) Version: 24.0.0.0 (11.1.1.1111)