| 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: G4GeometryTolerance.cc,v 1.3 2008/02/15 07:29:51 gcosmo Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-03 $
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| 29 | //
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| 30 | // class G4GeometryTolerance
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| 31 | //
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| 32 | // Implementation
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| 33 | //
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| 34 | // Author:
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| 35 | // 30.10.06 - G.Cosmo, first implementation
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| 36 | // --------------------------------------------------------------------
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| 37 |
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| 38 | #include "G4GeometryTolerance.hh"
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| 39 | #include "globals.hh"
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| 40 |
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| 41 | // ***************************************************************************
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| 42 | // Static class data
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| 43 | // ***************************************************************************
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| 44 | //
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| 45 | G4GeometryTolerance* G4GeometryTolerance::fInstance = 0;
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| 46 | G4bool G4GeometryTolerance::fInitialised = false;
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| 47 | G4double G4GeometryTolerance::fCarTolerance = 1E-9*mm;
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| 48 | G4double G4GeometryTolerance::fAngTolerance = 1E-9*rad;
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| 49 | G4double G4GeometryTolerance::fRadTolerance = 1E-9*mm;
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| 50 |
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| 51 | // ***************************************************************************
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| 52 | // Constructor.
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| 53 | // ***************************************************************************
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| 54 | //
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| 55 | G4GeometryTolerance::G4GeometryTolerance()
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| 56 | {
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| 57 | }
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| 58 |
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| 59 | // ***************************************************************************
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| 60 | // Empty destructor.
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| 61 | // ***************************************************************************
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| 62 | //
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| 63 | G4GeometryTolerance::~G4GeometryTolerance()
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| 64 | {
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| 65 | }
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| 66 |
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| 67 | // ***************************************************************************
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| 68 | // Returns the instance of the singleton.
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| 69 | // Creates it in case it's called for the first time.
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| 70 | // ***************************************************************************
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| 71 | //
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| 72 | G4GeometryTolerance* G4GeometryTolerance::GetInstance()
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| 73 | {
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| 74 | static G4GeometryTolerance theToleranceManager;
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| 75 | if (!fInstance)
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| 76 | {
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| 77 | fInstance = &theToleranceManager;
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| 78 | }
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| 79 | return fInstance;
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| 80 | }
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| 81 |
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| 82 | // ***************************************************************************
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| 83 | // Accessors.
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| 84 | // ***************************************************************************
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| 85 | //
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| 86 | G4double G4GeometryTolerance::GetSurfaceTolerance() const
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| 87 | {
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| 88 | return fCarTolerance;
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| 89 | }
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| 90 |
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| 91 | G4double G4GeometryTolerance::GetAngularTolerance() const
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| 92 | {
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| 93 | return fAngTolerance;
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| 94 | }
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| 95 |
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| 96 | G4double G4GeometryTolerance::GetRadialTolerance() const
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| 97 | {
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| 98 | return fRadTolerance;
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| 99 | }
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| 100 |
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| 101 | // ***************************************************************************
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| 102 | // Sets the tolerance to a value computed on the basis of the world volume
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| 103 | // extent provided as argument. The method can be called only once.
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| 104 | // ***************************************************************************
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| 105 | //
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| 106 | void G4GeometryTolerance::SetSurfaceTolerance(G4double worldExtent)
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| 107 | {
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| 108 | if (!fInitialised)
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| 109 | {
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| 110 | fCarTolerance = worldExtent*1E-11;
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| 111 | fInitialised = true;
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| 112 | }
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| 113 | else
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| 114 | {
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| 115 | G4cout << "WARNING - G4GeometryTolerance::SetSurfaceTolerance()" << G4endl
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| 116 | << " Tolerance can only be set once. Currently set to: "
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| 117 | << fCarTolerance/mm << " mm." << G4endl;
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| 118 | G4Exception("G4GeometryTolerance::SetSurfaceTolerance()",
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| 119 | "NotApplicable", JustWarning,
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| 120 | "The tolerance has been already set!");
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| 121 | }
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| 122 | }
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