// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * Neither the authors of this software system, nor their employing * // * institutes,nor the agencies providing financial support for this * // * work make any representation or warranty, express or implied, * // * regarding this software system or assume any liability for its * // * use. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // // $Id$ // // // ----------------------------------------------------------------- // // ------------------- class G4UnitsTable ----------------- // // 17-05-98: first version, M.Maire // 13-10-98: Units and symbols printed in fixed length, M.Maire // 18-01-00: BestUnit for three vector, M.Maire // 06-03-01: Migrated to STL vectors, G.Cosmo // // Class description: // // This class maintains a table of Units. // A Unit has a name, a symbol, a value and belong to a category (i.e. its // dimensional definition): Length, Time, Energy, etc... // The Units are grouped by category. The TableOfUnits is a list of categories. // The class G4BestUnit allows to convert automaticaly a physical quantity // from its internal value into the most appropriate Unit of the same category. // //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... #ifndef G4UnitsTable_HH #define G4UnitsTable_HH #include "globals.hh" #include #include "G4ThreeVector.hh" class G4UnitsCategory; typedef std::vector G4UnitsTable; //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... class G4UnitDefinition { public: // with description G4UnitDefinition(const G4String& name, const G4String& symbol, const G4String& category, G4double value); public: // without description ~G4UnitDefinition(); G4int operator==(const G4UnitDefinition&) const; G4int operator!=(const G4UnitDefinition&) const; public: // with description inline const G4String& GetName() const; inline const G4String& GetSymbol() const; inline G4double GetValue() const; void PrintDefinition(); static void BuildUnitsTable(); static void PrintUnitsTable(); static void ClearUnitsTable(); static G4UnitsTable& GetUnitsTable(); static G4double GetValueOf (const G4String&); static G4String GetCategory(const G4String&); private: G4UnitDefinition(const G4UnitDefinition&); G4UnitDefinition& operator=(const G4UnitDefinition&); private: G4String Name; // SI name G4String SymbolName; // SI symbol G4double Value; // value in the internal system of units static G4UnitsTable theUnitsTable; // table of Units size_t CategoryIndex; // category index of this unit }; //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... typedef std::vector G4UnitsContainer; class G4UnitsCategory { public: // without description explicit G4UnitsCategory(const G4String& name); ~G4UnitsCategory(); G4int operator==(const G4UnitsCategory&) const; G4int operator!=(const G4UnitsCategory&) const; public: // without description inline const G4String& GetName() const; inline G4UnitsContainer& GetUnitsList(); inline G4int GetNameMxLen() const; inline G4int GetSymbMxLen() const; inline void UpdateNameMxLen(G4int len); inline void UpdateSymbMxLen(G4int len); void PrintCategory(); private: G4UnitsCategory(const G4UnitsCategory&); G4UnitsCategory& operator=(const G4UnitsCategory&); private: G4String Name; // dimensional family: Length,Volume,Energy G4UnitsContainer UnitsList; // List of units in this family G4int NameMxLen; // max length of the units name G4int SymbMxLen; // max length of the units symbol }; //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... class G4BestUnit { public: // with description G4BestUnit(G4double internalValue, const G4String& category); G4BestUnit(const G4ThreeVector& internalValue, const G4String& category); // These constructors convert a physical quantity from its internalValue // into the most appropriate unit of the same category. // In practice it builds an object VU = (newValue, newUnit) ~G4BestUnit(); public: // without description inline G4double* GetValue(); inline const G4String& GetCategory() const; inline size_t GetIndexOfCategory() const; operator G4String () const; // Conversion to best string. public: // with description friend std::ostream& operator<<(std::ostream&,G4BestUnit VU); // Default format to print the objet VU above. private: G4double Value[3]; // value in the internal system of units G4int nbOfVals; // G4double=1; G4ThreeVector=3 G4String Category; // dimensional family: Length,Volume,Energy ... size_t IndexOfCategory; // position of Category in UnitsTable }; #include "G4UnitsTable.icc" //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... #endif