|Message: Re: histograms of variable bin widths||Not Logged In (login)|
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You shuld use the following G4RootAnalysisManger function:
G4int CreateH1(const G4String& name, const G4String& title, const std::vector<G4double>& edges, const G4String& unitName = "none", const G4String& fcnName = "none");
where you can define your histogram bin widths explicitly via the const std::vector<G4double>& edges parameter.
See more details in the relevant section of the Application Developers Guide: http://geant4.web.cern.ch/geant4/UserDocumentation/UsersGuides/ForApplicationDeveloper/html/ch09s02.html#sect.Histograms