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| 2 | Geant4 8.0 - patch-01 Release Notes
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| 3 | -----------------------------------
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| 4 |
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| 5 | 10 February 2006
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| 6 |
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| 7 | List of fixes included in this public patch since the public release 8.0:
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| 8 |
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| 9 | o Digits & Hits:
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| 10 | -------------
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| 11 | + Added missing methods in G4VDigiCollection and G4TDigiCollection.
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| 12 | Addresses problem report #786.
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| 13 |
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| 14 | o Geometry:
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| 15 | --------
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| 16 | + divisions
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| 17 | o Added missing setting of mother-logical pointer in constructors of
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| 18 | G4PVDivision. Fixes problem report #829.
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| 19 | o Added missing checks for illegal constructs of G4PVDivision (NULL
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| 20 | pointer to mother logical and self-placement).
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| 21 | o Fixed check for generic construct in G4ParameterisationPolycone and
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| 22 | G4ParameterisationPolyhedra: allow it for the automatic replicated
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| 23 | instance.
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| 24 | o Cache information about axis of division and provided accessor method
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| 25 | GetDivisionAxis() in G4PVDivision.
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| 26 | + navigation
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| 27 | o Addressing problem with convergence in LocateIntersectionPoint()
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| 28 | of G4PropagatorInField. The problem, identified by Atlas, was
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| 29 | observed when requesting high precision, i.e. small values of
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| 30 | eps_min/max, delta_one_step, due to need for small delta_intersection.
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| 31 | Increased maximum iterations (from 100 to 10000) until correct
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| 32 | information can be return an Exception is thrown in case of too many
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| 33 | iterations; a warning is thrown in case over 1000 iterations.
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| 34 | + solids/BREPS
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| 35 | o Use explicit 'HepGeom' namespace for 'Identity', to allow for
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| 36 | porting on Windows/VC++ when using CLHEP-2.0.X.
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| 37 | + solids/CSG
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| 38 | o G4Sphere: fixed bug in DistanceToOut() for theta intersections.
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| 39 | Fixes problem report #830.
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| 40 | + solids/specific
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| 41 | o Fixed visibility of soft edges for visualization of twisted solids.
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| 42 | o G4TwistedTubs and G4VTwistedFaceted::CreatePolyhedron(): changed
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| 43 | parameterised polyhedron mesh approximation in terms of
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| 44 | G4Polyhedron::GetNumberOfRotationSteps().
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| 45 | o Fixes in G4EllipticalCone:
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| 46 | - Changed GetPointOnSurface(), which was not uniform in endcaps.
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| 47 | - Bug fix in Inside(), which was not correct for the elliptic mantel.
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| 48 | Made test similar as in G4EllipticTube.
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| 49 | - Several fixes in DistanceToIn/Out() resolving problems of looping
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| 50 | events.
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| 51 | + volumes
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| 52 | o G4AssemblyVolume: fixed initialisation of names for placed volumes
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| 53 | which was corrupted after migration to <sstream> as side effect.
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| 54 |
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| 55 | o Particles:
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| 56 | ---------
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| 57 | + Bug fix for G4ParticleDefinition, was causing improper behavior of
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| 58 | GetAtomicNumber() method for ions. Fixes problem report #827.
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| 59 |
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| 60 | o Electromagnetic processes:
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| 61 | -------------------------
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| 62 | + standard:
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| 63 | o Fix in G4PolarizedComptonScattering, returning PostStepDoIt()
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| 64 | for G4ComptonScattering52. Fixes problem report #478.
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| 65 |
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| 66 | o Hadronic Processes:
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| 67 | ------------------
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| 68 | + management:
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| 69 | o G4HadronicProcess: fixed problem report #611. Problems caused when
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| 70 | hadronic interactions reset stopButAlive particle to Alive.
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| 71 | o Added diagnostics when hadronic exceptions occur in G4HadronicProcess
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| 72 | and G4EnergyRangeManager.
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| 73 | + models/binary_cascade:
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| 74 | o Fixed problem report #794. Projectile nucleus needs to be centered.
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| 75 | + models/chiral_inv_phase_space/body:
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| 76 | o Fixed trivial compilation warning.
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| 77 | + models/de_excitation:
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| 78 | o G4NuclearLevelManager: print a warning if no data file is present.
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| 79 | Addressed problem report #814.
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| 80 | o G4ParaFissionModel: fix for compilation error, following problem
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| 81 | report #817.
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| 82 | + models/neutron_hp:
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| 83 | o Fixes core dump observed when neutron energy is close to 20 MeV.
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| 84 | + models/radioactive_decay
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| 85 | o G4NuclearDecayChannel::BetaDecayIt(): check for negative sqrt()
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| 86 | argument in 'daughtermomentum[1]'. Fixes problem report #822.
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| 87 | + stopping:
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| 88 | o Set process type to be 'fHadronic'. Was not set previously.
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| 89 | + util:
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| 90 | o G4ReactionDynamics: added array bounds protection in TwoCluster().
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| 91 |
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| 92 | o Processes cuts:
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| 93 | --------------
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| 94 | + Fix in G4VRangeToEnergyConverter::Convert() to recalculate the energy
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| 95 | loss table if new elements are added. Fixes problem report #831.
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| 96 |
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| 97 | o Track:
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| 98 | -----
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| 99 | + G4ParticleChangeForRadDecay is now derived from G4ParticleChangeForDecay.
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| 100 |
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| 101 | o Transportation:
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| 102 | --------------
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| 103 | + G4Transportation: the particle's charge is now taken from the dynamic
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| 104 | particle, so that it can take into account changes from the interaction
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| 105 | of an ion with matter (eg stripping e-).
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| 106 | + Corrected problem with suspended tracks, addressing problem report #802.
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| 107 | Added StartTracking() method which takes over responsibility to clear
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| 108 | the state for a new track, and to message other relevant component to
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| 109 | clear their state.
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| 110 |
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| 111 | o Visualization:
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| 112 | -------------
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| 113 | + management:
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| 114 | o Fixed bug that omits geometry volumes from file-based visualization
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| 115 | drivers for first /run/beamOn.
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| 116 | o Added friend status for ray-tracer.
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| 117 | + RayTracer:
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| 118 | o Fix behavior of messengers when RayTracerX is used.
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| 119 | o Allow for multiple ray tracers.
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| 120 | o Separated out the original ray tracer to be used by viewers.
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| 121 |
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| 122 | o Data:
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| 123 | ----
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| 124 | + New data set for high-precision neutron processes G4NDL-3.8
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| 125 | o Added Gadorinium data (source ENDF/B-VI).
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| 126 | o Replaced: Inelastic/CrossSection/17_nat_Chlorine and
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| 127 | Inelastic/F10/28_62_Nickel (source ENDF/B-VI).
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| 128 | o Removed: Inelastic/CrossSection/32_70|72|73|74|76_Germanium
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| 129 |
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| 130 | o Examples:
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| 131 | --------
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| 132 | + Updated reference outputs.
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| 133 | + extended/electromagnetic/TestEm7
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| 134 | o Trivial fix of memory leak.
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| 135 | + extended/medical/GammaTherapy
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| 136 | o Substituted PreciseRange with CSDARange.
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| 137 |
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| 138 | ----------------------------------------------------------------------------
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| 139 |
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| 140 | Technical Notes
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| 141 | ---------------
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| 142 |
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| 143 | o This patch should be applied on top of release 8.0.
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| 144 | o Technical notes distributed for release 8.0 are also applicable and
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| 145 | valid for this patch.
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| 146 |
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| 147 | The code and rebuilt binary libraries for release 8.0 are available through
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| 148 | our "Source Code" Web page: http://cern.ch/geant4
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| 149 |
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| 150 | Please refer to the Geant4 User Documentation:
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| 151 | http://cern.ch/geant4/G4UsersDocuments/Overview/html
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| 152 | for further information about using Geant4.
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