183 lines
6.3 KiB
C++
183 lines
6.3 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4UnitsTable.hh,v 1.12 2002/11/20 11:25:15 gcosmo Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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//
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//
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// -----------------------------------------------------------------
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//
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// ------------------- class G4UnitsTable -----------------
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//
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// 17-05-98: first version, M.Maire
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// 13-10-98: Units and symbols printed in fixed length, M.Maire
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// 18-01-00: BestUnit for three vector, M.Maire
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// 06-03-01: Migrated to STL vectors, G.Cosmo
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//
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// Class description:
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//
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// This class maintains a table of Units.
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// A Unit has a name, a symbol, a value and belong to a category (i.e. its
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// dimensional definition): Length, Time, Energy, etc...
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// The Units are grouped by category. The TableOfUnits is a list of categories.
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// The class G4BestUnit allows to convert automaticaly a physical quantity
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// from its internal value into the most appropriate Unit of the same category.
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#ifndef G4UnitsTable_HH
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#define G4UnitsTable_HH
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#include "globals.hh"
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#include "g4std/vector"
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#include "G4ThreeVector.hh"
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class G4UnitsCategory;
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typedef G4std::vector<G4UnitsCategory*> G4UnitsTable;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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class G4UnitDefinition
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{
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public: // with description
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G4UnitDefinition(G4String name, G4String symbol,
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G4String category, G4double value);
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public: // without description
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~G4UnitDefinition();
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G4int operator==(const G4UnitDefinition&) const;
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G4int operator!=(const G4UnitDefinition&) const;
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private:
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G4UnitDefinition(G4UnitDefinition&);
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G4UnitDefinition& operator=(const G4UnitDefinition&);
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public: // with description
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G4String GetName() const {return Name;}
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G4String GetSymbol() const {return SymbolName;}
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G4double GetValue() const {return Value;}
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void PrintDefinition();
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static void BuildUnitsTable();
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static void PrintUnitsTable();
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static G4UnitsTable& GetUnitsTable();
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static G4double GetValueOf (G4String);
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static G4String GetCategory(G4String);
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private:
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G4String Name; // SI name
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G4String SymbolName; // SI symbol
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G4double Value; // value in the internal system of units
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static
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G4UnitsTable theUnitsTable; // table of Units
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size_t CategoryIndex; // category index of this unit
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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typedef G4std::vector<G4UnitDefinition*> G4UnitsContainer;
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class G4UnitsCategory
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{
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public: // without description
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G4UnitsCategory(G4String name);
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~G4UnitsCategory();
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G4int operator==(const G4UnitsCategory&) const;
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G4int operator!=(const G4UnitsCategory&) const;
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private:
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G4UnitsCategory(G4UnitsCategory&);
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G4UnitsCategory& operator=(const G4UnitsCategory&);
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public: // without description
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G4String GetName() const {return Name;}
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G4UnitsContainer& GetUnitsList() {return UnitsList;}
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G4int GetNameMxLen() const {return NameMxLen;}
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G4int GetSymbMxLen() const {return SymbMxLen;}
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void UpdateNameMxLen(G4int len) {if (NameMxLen<len) NameMxLen=len;}
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void UpdateSymbMxLen(G4int len) {if (SymbMxLen<len) SymbMxLen=len;}
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void PrintCategory();
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private:
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G4String Name; // dimensional family: Length,Volume,Energy ...
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G4UnitsContainer UnitsList; // List of units in this family
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G4int NameMxLen; // max length of the units name
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G4int SymbMxLen; // max length of the units symbol
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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class G4BestUnit
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{
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public: // with description
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G4BestUnit(G4double internalValue, G4String category);
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G4BestUnit(const G4ThreeVector& internalValue, G4String category);
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// These constructors convert a physical quantity from its internalValue
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// into the most appropriate unit of the same category.
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// In practice it builds an object VU = (newValue, newUnit)
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~G4BestUnit();
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public: // without description
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G4double* GetValue() {return Value;}
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G4String GetCategory() const {return Category;}
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size_t GetIndexOfCategory() const {return IndexOfCategory;}
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public: // with description
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friend
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G4std::ostream& operator<<(G4std::ostream&,G4BestUnit VU);
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// Default format to print the objet VU above.
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private:
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G4double Value[3]; // value in the internal system of units
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G4int nbOfVals; // G4double=1; G4ThreeVector=3
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G4String Category; // dimensional family: Length,Volume,Energy ...
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size_t IndexOfCategory; // position of Category in UnitsTable
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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