G4UIcmdWithADoubleAndUnit.hh

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// $Id$
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#ifndef G4UIcmdWithADoubleAndUnit_H
#define G4UIcmdWithADoubleAndUnit_H 1

#include "G4UIcommand.hh"

// class description:
//  A concrete class of G4UIcommand. The command defined by this class
// takes a double value and a unit string.
//  General information of G4UIcommand is given in G4UIcommand.hh.

class G4UIcmdWithADoubleAndUnit : public G4UIcommand
{
  public: // with description
    G4UIcmdWithADoubleAndUnit
    (const char * theCommandPath,G4UImessenger * theMessenger);
    //  Constructor. The command string with full path directory
    // and the pointer to the messenger must be given.
    virtual G4int DoIt(G4String parameterList);
    static G4double GetNewDoubleValue(const char* paramString);
    //  Convert string which represents a double value and a unit to
    // double. Value is converted to the Geant4 internal unit.
    static G4double GetNewDoubleRawValue(const char* paramString);
    //  Convert string which represents a double value and a unit to
    // double. Value is NOT converted to the Geant4 internal unit
    // but just as the given string.
    static G4double GetNewUnitValue(const char* paramString);
    //  Convert the unit string to the value of the unit. "paramString"
    // must contain a double value AND a unit string.
    G4String ConvertToStringWithBestUnit(G4double val);
    //  Convert a double value to a string of digits and unit. Best unit is
    // chosen from the unit category of default unit (in case SetDefaultUnit()
    //  is defined) or category defined by SetUnitCategory().
    G4String ConvertToStringWithDefaultUnit(G4double val);
    //  Convert a double value to a string of digits and unit. Best unit is
    // chosen from the category defined by SetUnitCategory() in case default
    // unit is not defined.
    void SetParameterName(const char * theName,G4bool omittable,
                          G4bool currentAsDefault=false);
    //  Set the parameter name for double parameterxs. Name is used by
    // the range checking routine.
    //  If "omittable" is set as true, the user of this command can ommit
    // the value when he/she applies the command. If "omittable" is false,
    // the user must supply a value.
    //  "currentAsDefault" flag is valid only if "omittable" is true. If this
    // flag is true, the current value is used as the default value when the
    // user ommit the double parameter. If this flag is false, the value
    // given by the next SetDefaultValue() method is used.
    void SetDefaultValue(G4double defVal);
    //  Set the default value of the parameter. This default value is used
    // when the user of this command ommits the parameter value, and
    // "ommitable" is true and "curreutAsDefault" is false.
    void SetUnitCategory(const char * unitCategory);
    void SetUnitCandidates(const char * candidateList);
    void SetDefaultUnit(const char * defUnit);
    //  These three methods must be used alternatively.
    //  The user cannot ommit the unit as the second parameter of the command if
    // SetUnitCategory() or SetUnitCandidates() is used, while the unit defined
    // by SetDefaultUnit() method is used as the default unit so that the user can
    // ommits the second parameter.
    //  SetUnitCategory() defines the category of the units which will be accepted.
    // The available categories can be found in G4SystemOfUnits.hh in global category.
    // Only the units categorized in the given category are accepted as the second
    // parameter of the command.
    //  SetUnitCandidates() defines the candidates of units. Units listed in the
    // argument of this method must be separated by space(s). Only the units listed
    // in the candidate list are accepted as the second parameter of the command.
    //  SetDefaultUnit() defines the default unit and also it defines the category
    // of the allowed units. Thus only the units categorized as the given default
    // unit will be accepted.
};

#endif

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