1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4UnitsTableTest.cc,v 1.8 2006/06/29 19:04:51 gunter Exp $ |
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28 | // |
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29 | // ---------------------------------------------------------------------- |
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30 | #include "G4ios.hh" |
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31 | #include "globals.hh" |
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32 | #include "G4ThreeVector.hh" |
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33 | #include "G4UnitsTable.hh" |
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34 | |
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35 | #include <iomanip> |
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36 | |
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37 | int main() |
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38 | { |
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39 | // |
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40 | // test the UnitsTable classes |
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41 | // |
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42 | // Build the Table of units |
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43 | // |
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44 | G4UnitDefinition::BuildUnitsTable(); |
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45 | G4UnitDefinition::PrintUnitsTable(); |
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46 | |
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47 | // Get internal value of an unit |
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48 | // |
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49 | G4cout << "\n \t G4UnitDefinition::GetValueOf('Unit') \n"; |
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50 | |
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51 | G4cout << " meter = " << G4UnitDefinition::GetValueOf("meter") << G4endl; |
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52 | G4cout << " cm = " << G4UnitDefinition::GetValueOf("cm") << G4endl; |
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53 | G4cout << " joule = " << G4UnitDefinition::GetValueOf("J") << G4endl; |
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54 | |
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55 | // Get category of an unit |
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56 | // |
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57 | G4cout << "\n \t G4UnitDefinition::GetCategory('Unit') \n"; |
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58 | |
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59 | G4cout << " meter is " << G4UnitDefinition::GetCategory("m") << G4endl; |
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60 | G4cout << " g is " << G4UnitDefinition::GetCategory("gram") << G4endl; |
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61 | G4cout << " joule is " << G4UnitDefinition::GetCategory("J") << G4endl; |
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62 | G4cout << " ns is " << G4UnitDefinition::GetCategory("ns") << G4endl; |
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63 | |
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64 | // Automatic conversion on output of a physical quantity |
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65 | // |
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66 | G4cout << "\n \t G4BestUnit \n"; |
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67 | G4cout.precision(3); |
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68 | |
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69 | G4cout << " a = " << std::setw(4) << G4BestUnit (0.5*GeV ,"Energy") << G4endl; |
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70 | G4cout << " b = " << std::setw(4) << G4BestUnit (0.15*MeV,"Energy") << G4endl; |
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71 | G4cout << " c = " << std::setw(4) << G4BestUnit (4000*MeV,"Energy") << G4endl; |
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72 | |
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73 | G4double x = -1000.*cm; |
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74 | G4BestUnit d(x,"Length"); G4cout << " x = " << d << G4endl; |
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75 | G4BestUnit e(2e40*m,"Length"); G4cout << " e = " << e << G4endl; |
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76 | G4BestUnit f(DBL_MAX ,"Energy"); G4cout << " f = " << f << G4endl; |
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77 | G4BestUnit h(0.,"Magnetic flux density"); G4cout << " h = " << h << G4endl; |
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78 | |
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79 | G4ThreeVector point(2*mm, 3*cm, 1*m); |
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80 | G4ThreeVector momen(3*MeV, 2*keV, 0.); |
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81 | G4cout << std::setw(6) << G4BestUnit (point, "Length") << G4endl; |
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82 | G4cout << std::setw(6) << G4BestUnit (momen, "Energy") << G4endl; |
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83 | |
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84 | // Define new units |
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85 | // |
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86 | new G4UnitDefinition("kg/m3","kg/m3","Volumic Mass",kg/m3); |
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87 | new G4UnitDefinition("g/cm3","g/cm3","Volumic Mass",g/cm3); |
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88 | |
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89 | G4double rho = 14.*mg/mm3; |
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90 | G4cout << " rho = " << G4BestUnit (rho,"Volumic Mass") << G4endl; |
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91 | |
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92 | new G4UnitDefinition("g/cm2","g/cm2","Depth",g/cm2); |
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93 | |
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94 | // |
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95 | // G4UnitDefinition::PrintUnitsTable(); |
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96 | |
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97 | return 0; |
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98 | } |
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