|Message: Re: Writing UIcommands with units, and G4BestUnit interface||Not Logged In (login)|
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Asai, Makoto writes: > http://www-geant4.kek.jp/lxr/source/intercoms/include/G4UIcommand.hh#L105 Yes, indeed, Makoto. That's where I started. I'm using ValueOf() in several places, where I already have the specific unit name string in hand. My situation is where I _don't_ have the unit string yet. G4BestUnit doesn't appear to have a way to get either that string (or the scale vlaue) by itself. In G4UnitsTable.hh, the G4BestUnit functor, G4BestUnit(G4double value, G4String& category) returns only the composite string (either via operator G4String() or operator<<) with both the scaled numeric value plus the chosen unit. From looking at the code, all of the computational work for G4BestUnit is embedded in the operator<<() implementation, with no encapsulation of the pieces. I'd like to know whether there might be a different interface somewhere which does the same job: given a double value and a units category, it returns the unit (by string or by scale) which best suits the input value. Without such an interface, I can take the string returned by G4BestUnit and capture the second token, but that seems a bit wasteful. -- Mike
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