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| 2 | Geant4 6.2 - patch-02 Release Notes
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| 3 | -----------------------------------
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| 4 |
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| 5 | 26 October 2004
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| 6 |
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| 7 | List of fixes included in this public patch since release 6.2-patch-01:
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| 8 |
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| 9 | o Geometry:
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| 10 | --------
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| 11 | + divisions:
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| 12 | o Removed unnecessary debug printout in method
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| 13 | G4PVDivision::CheckAndSetParamenters().
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| 14 | + management:
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| 15 | o G4Region: added map for storage of materials/cuts and methods for
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| 16 | handling registration of couples in the map, finding a couple
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| 17 | according to a given material, clearing the map's storage.
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| 18 | Extensions necessary to resolve correct update of material-cut
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| 19 | couples in parameterised geometries by material.
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| 20 | o G4LogicalVolume: added method UpdateMaterial() to refresh a
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| 21 | material/cut couple in the corresponding region.
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| 22 | Extension necessary to resolve correct update of material-cut
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| 23 | couples in parameterised geometries by material.
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| 24 | o Fixed G4RegionStore::Clean() to avoid deletion of world region.
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| 25 | + navigation:
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| 26 | o G4Navigator: corrected computation of fGrandMotherExitNormal in
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| 27 | ComputeStep() in the case where a not valid exit-normal exists.
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| 28 | o G4GeomTestSegment: fix to correctly determine whether starting
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| 29 | trajectory is entering or exiting the solid when the starting point
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| 30 | is on a surface. Added additional tests on solid consistencies
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| 31 | (from roundoff sometimes) to avoid incorrect overlap warnings.
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| 32 | Addresses problem reports #610 and #652.
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| 33 | o Dump out contents from the solid when a fatal G4Exception is thrown
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| 34 | from the navigators in ComputeStep().
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| 35 | o Invoke G4LogicalVolume::UpdateMaterial() instead of SetMaterial()
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| 36 | for parameterised navigation in G4Navigator and specialised
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| 37 | G4ParameterisedNavigation.
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| 38 | Modification necessary to resolve correct update of material-cut
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| 39 | couples in parameterised geometries by material.
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| 40 | + solids/CSG:
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| 41 | o Fix in G4Cons::DistanceToIn(p,v) on fRmax surface and move in,
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| 42 | the condition became a bit more strict && determinant >=0, i.e.
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| 43 | intersections in addition to go in.
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| 44 | Fixes a rare problem of dIn=dOut=0 observed in 3 events over a
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| 45 | statistics of 10^8..
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| 46 | o Fix in G4Sphere::DistanceToOut(p,v,...) on fRmin moving outside.
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| 47 | The bug showed 3 events of dIn=dOut=0 for 10^7 statistics in the
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| 48 | unit testing.
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| 49 | o Bug fix in G4Sphere::SurfaceNormal(p) for theta normals.
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| 50 | + solids/specific:
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| 51 | o G4VCSGfaceted: fix for rare anomalous situation in which
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| 52 | DistanceToOut(p,v,..) will report kInfinity, make an additional
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| 53 | check for the point p on the surface, in which case will report
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| 54 | zero. Addresses problem observed in G4Polyhedra and reported in #650.
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| 55 |
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| 56 | o Materials:
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| 57 | ---------
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| 58 | + Added protection in G4AtomicShells::GetNumberOfShells(Z).
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| 59 | Fixes problem report #643.
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| 60 | + Recalculate ionisation parameters after set of new mean ionisation
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| 61 | potential; added factor 2 to shell correction term.
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| 62 |
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| 63 | o Processes/cuts:
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| 64 | --------------
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| 65 | + Fixed bug in G4ProductionCutsTable for the update of materials/cuts
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| 66 | couple for dynamic setups where material may vary, like in the case
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| 67 | of parameterization of detectors through material.
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| 68 |
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| 69 | o Electromagnetic processes:
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| 70 | -------------------------
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| 71 | + lowenergy:
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| 72 | o Trivial fixes for removal of redundant semicolons in the code.
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| 73 | + utils:
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| 74 | o Fixed a problem of cut dependence of transmission energy of low
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| 75 | energy e- via thin foil
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| 76 | + xrays:
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| 77 | o Changed "StronglyForced" back to "Forced" in GetMeanLifeTime() for
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| 78 | the G4Scintillation process.
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| 79 |
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| 80 | o Hadronic Processes:
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| 81 | ------------------
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| 82 | + models/cascade:
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| 83 | o Fixed bug in G4CascadeInterface for uncorrect deletion of dynamic
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| 84 | particles. Fixes problem report #645.
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| 85 |
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| 86 | o Optical Processes:
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| 87 | -----------------
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| 88 | + Allow for unified model reflectivity parameters to also work in case
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| 89 | of dielectric_metal surfaces; in G4OpBoundaryProcess, use GetMaterial()
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| 90 | from G4StepPoint directly, sample reflectivity and apply unified model
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| 91 | reflection parameters only once even for rough dielectric/metal
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| 92 | surfaces. Fixes problem report #654.
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| 93 | + Fixed bug in G4PlaneVectorRand for G4OpBoundaryProcess and resample
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| 94 | 'theFacetNormal' for LobeReflection in DielectricMetal.
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| 95 |
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| 96 | o Run:
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| 97 | ---
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| 98 | + Updated date to run-manager.
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| 99 |
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| 100 | o Visualization:
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| 101 | -------------
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| 102 | + OpenGL: G4OpenGLTransform3D.cc: simplified implementation for
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| 103 | GetMatrix() to allow for porting on future CLHEP series.
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| 104 |
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| 105 | o Examples:
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| 106 | --------
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| 107 | + Updated reference outputs.
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| 108 | + electromagnetic/MuonProcesses
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| 109 | o Modified HistoManager and Messenger in order to allow a multirun job.
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| 110 | + electromagnetic/PhotonProcesses
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| 111 | o Modified HistoManager and Messenger in order to allow a multirun job.
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| 112 | + electromagnetic/TestEm2
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| 113 | o Updated acceptance numbers in input macro.
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| 114 | o Fixed problem in initialisation of RunAction.
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| 115 | + electromagnetic/TestEm4
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| 116 | o Modifications in RunAction for histograms management for JAIDA.
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| 117 | + electromagnetic/TestEm6
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| 118 | o Correctly defined all UI subdirectories.
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| 119 | o Modifications in RunAction for histograms management for JAIDA.
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| 120 | + electromagnetic/TestEm10
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| 121 | o Removed obsolete processes from PhysicsList.
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| 122 | + extended/field
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| 123 | o Minor cleanup of PhysicsLists.
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| 124 | + extended/optical
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| 125 | o Fixed compilation error and warnings for LXe on Linux/gcc compiler.
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| 126 | + novice/N05
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| 127 | o Added protection for negative proposed step in ExN05MinEkineCuts.
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| 128 |
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| 129 | ----------------------------------------------------------------------------
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| 130 |
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| 131 | Technical Notes
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| 132 | ---------------
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| 133 |
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| 134 | o This patch should be applied on top of release 6.2.
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| 135 | o Technical notes distributed for release 6.2 are also applicable and
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| 136 | valid for this patch.
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| 137 |
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| 138 | The code and rebuilt binary libraries for release 6.2 are available through
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| 139 | our "Source Code" Web page: http://cern.ch/geant4
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| 140 |
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| 141 | Please refer to the Geant4 User Documentation:
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| 142 | http://cern.ch/geant4/G4UsersDocuments/Overview/html
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| 143 | for further information about using Geant4.
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