| [1337] | 1 |
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| 2 | Geant4 9.0 - patch-01 Release Notes
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| 3 | -----------------------------------
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| 4 |
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| 5 | 28 August 2007
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| 6 |
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| 7 | List of fixes included in this public patch since the public release 9.0:
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| 8 |
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| 9 | o Configuration: (*)
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| 10 | -------------
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| 11 | + liblist.c: fixed problem affecting recent CygWin installations on
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| 12 | Windows in parsing the buffer for the generation of libname.map.
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| 13 | + binmake.gmk: defined OUT internal variable specifying the proper
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| 14 | compilation/linking option to Unix or Windows compilers: '-o '
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| 15 | and '/Fe' respectively. Cleared <TAB> characters where not necessary.
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| 16 | + SUN-CC.gmk: forced -xO2 as optimisation level.
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| 17 |
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| 18 | o Geometry:
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| 19 | --------
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| 20 | + magneticfield:
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| 21 | o Fix to DistChord() method for Helical Steppers: adopt 'special' case
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| 22 | also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
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| 23 | improve CPU performance.
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| 24 | o In G4HelixMixedStepper added possibility to call different steppers
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| 25 | for small steps and add some statistics how offen different steppers
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| 26 | are called. Improved AdvanceHelix() to be able to make half step and
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| 27 | full step in one call.
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| 28 | o G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
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| 29 | the stepper now gives comparable CPU performance as ClassicalRK4.
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| 30 | o Changed FatalException to EventMustBeAborted in AccurateAdvance()
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| 31 | if proposed integration step is negative. (*)
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| 32 | + management:
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| 33 | o Added dummy constructor and destructor to G4VPVParameterisation.
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| 34 | + solids/BREPS:
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| 35 | o Added missing initialisations of kCarTolerance in alternative
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| 36 | constructors for G4BoundingBox3D, G4Curve, G4CurveRayIntersection,
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| 37 | G4KnotVector. Addressing problem report #959.
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| 38 | + solids/CSG:
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| 39 | o G4Tubs: fixed bug in DistanceToOut(p,v,..) for negative value under
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| 40 | sqrt() for the case of point p on the surface and v tangent to the
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| 41 | surface. Responsible for rare cases of NaN.
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| 42 | + solids/specific:
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| 43 | o Fixes in G4Polyhedra::GetPointOnSurface(): (*)
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| 44 | Correctly treat 'totalPhi' instead of 'endPhi' for the case of open
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| 45 | shapes and 'twopi' for not open shapes.
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| 46 | Introduced fix for the case when number of sectors (numSide) is equal
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| 47 | to 1. At the origin of problems observed when checking overlaps for
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| 48 | polyhedra solids defined as such.
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| 49 | o Fixed dummy constructors of G4Polycone and G4PolyPhiFace for
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| 50 | initialisation of 'edges' and 'corners'. Added workaround to
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| 51 | initialisation of 'corners' vector in G4PolyconeSide class, to allow
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| 52 | for object persistency with Root-I/O.
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| 53 | o G4EllipticalCone:
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| 54 | - DistanceToIn(p): corrected answer for p.z()<-zTopCut and for the
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| 55 | point p on the surface.
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| 56 | - DistanceToOut(p,v): now returning positive solution or zero when
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| 57 | crossing the elliptical surface.
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| 58 | - Fix in DistanceToOut(p) which was giving always zero.
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| 59 | - Added some formulas on how to pre-calculate 'SemiAxis' and 'zheight'.
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| 60 |
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| 61 | o Global:
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| 62 | ------
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| 63 | + Changed date for patch-01 to release 9.0.
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| 64 |
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| 65 | o Graphics Representations:
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| 66 | ------------------------
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| 67 | + Corrected graphical description for G4EllipticalCone in HepPolyhedron
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| 68 | and G4Polyhedron.
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| 69 | + G4VGraphicsScene: Added default constructor and virtual destructor.
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| 70 |
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| 71 | o Intercoms:
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| 72 | ---------
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| 73 | + G4UIbatch:
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| 74 | o Bug fixed for the treatment of the last line.
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| 75 | o Added support for continued line by '\', '_'.
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| 76 | o String after '#' is treated as comment.
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| 77 | o White spaces at the head of a line are allowed.
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| 78 | o Fixed problem on 32bit-Linux.
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| 79 | + G4UImanager: fixed bug concerning invalid returned object.
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| 80 | + Introduced "/control/getEnv" and "/control/echo" commands.
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| 81 |
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| 82 | o Electromagnetic Processes:
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| 83 | -------------------------
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| 84 | + Polarisation:
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| 85 | o Removed/renamed obsolete methods and local variables in
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| 86 | classes G4VPolarizedCrossSection, G4eplusPolarizedAnnihilation,
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| 87 | and G4PolarizedAnnihilationModel to clear "shadow" warnings on SUN-CC.
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| 88 | + Standard:
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| 89 | o G4UniversalFluctuation: added protection such that no sampling of
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| 90 | fluctuations is done if mean energy loss at the step is below minimal
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| 91 | excitation energy of the media. The fix is important for cases of
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| 92 | low-dense gases and very small steps.
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| 93 | + Utils:
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| 94 | o G4VEmModel: fixed SelectRandomAtom() method for the selection of
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| 95 | elements in a compound material.
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| 96 | + Xrays:
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| 97 | o G4VXTRenergyLoss: fixed Valgrind run-time errors for wrong memory
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| 98 | allocation by removing internal initialisation of Sandia table and
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| 99 | using Sandia table from materials.
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| 100 |
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| 101 | o Hadronic Processes:
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| 102 | ------------------
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| 103 | + models/chiral_inv_phase_space: (*)
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| 104 | o G4QuasiFreeRatios: fixed DB filling (ID update), responsible for
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| 105 | excessive growth of memory in long runs. Corrected indexing and
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| 106 | computation of cos(theta).
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| 107 | + models/neutron_hp:
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| 108 | o G4NeutronHPThermalScattering: removed duplicate declaration of
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| 109 | 'dirName', already a class member, to clear compilation warning.
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| 110 | + models/util:
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| 111 | o G4KineticTrack: changed local variable names to clear compilation
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| 112 | warnings on SUN-CC about hiding.
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| 113 | + stopping:
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| 114 | o Fixed signature of G4MuMinusCaptureCascade::DoCascade() expecting
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| 115 | 'const' as arguments for A and Z. Resolves linking problems on SUN-CC.
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| 116 |
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| 117 | o Visualization:
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| 118 | -------------
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| 119 | + Removed redundant method declarations and minor tidies.
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| 120 |
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| 121 | o Environments:
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| 122 | ------------
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| 123 | + Minor bug fixes to G4Py module; updated geometry wrappers and TestEm0
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| 124 | example.
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| 125 |
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| 126 | o Examples:
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| 127 | --------
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| 128 | + advanced/medical_linac:
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| 129 | o Fixed problem report #880 in DetectorConstruction class.
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| 130 | o Updated macros; reviewed seed initialisation and modified to use
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| 131 | default multiple-scattering class instead of MultipleScattering52.
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| 132 | + advanced/microbeam:
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| 133 | o Improved dose calculation in the code in order to take into account
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| 134 | small energy deposits by any particle around the phantom edge voxels,
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| 135 | by suppressing a selection condition on the PostStep. The total result
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| 136 | of the dose calculation does not change significantly.
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| 137 | o Added protection against scattering at large angles in collimators.
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| 138 | o Suppressed field manager in zones with zero field.
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| 139 | o Use 'kUndefined' optimization in cell phantom implementation.
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| 140 | o Changed number of incident alpha particles in microbeam.mac.
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| 141 | + advanced/underground_physics:
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| 142 | o Added missing header file G4hIonisation.hh to DMXPhysicsLists
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| 143 | translation unit.
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| 144 | o Added G4StepLimiter to physics list as correction of migration
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| 145 | required since Geant4 release 7.0.
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| 146 | + extended/electromagnetic/TestEm7:
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| 147 | o Updated README for physics-list names.
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| 148 | + extended/electromagnetic/TestEm8:
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| 149 | o Fixed PAI physics constructors: energy loss processes should be
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| 150 | active post step.
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| 151 | o Create VisManager only for interactive session, improved destructor
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| 152 | of Em8DetectorConstruction class.
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| 153 | + extended/electromagnetic/TestEm10:
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| 154 | o Create VisManager only for interactive session, improved destructor
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| 155 | of Em10DetectorConstruction class.
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| 156 | + extended/electromagnetic/TestEm13:
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| 157 | + extended/electromagnetic/TestEm14:
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| 158 | o SteppingAction : modify logic to take into account low energy packages.
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| 159 | + extended/medical/fanoCavity:
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| 160 | o Use 'fUseDistanceToBoundary' in physics-list for 'emOptions'. Cleanup.
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| 161 | + extended/medical/GammaTherapy:
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| 162 | o Provide possibility to change cuts between runs.
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| 163 | + extended/radioactivedecay/exrdm:
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| 164 | o Removed obsolete hadronic builders and use only QGSP_BIC,
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| 165 | QGSP_BIC_HP, QGSP_BERT, QGSP_BERT_HP instead.
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| 166 | + novice/N02:
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| 167 | o Fixed implementation of ExN02MagneticField class in way field is set.
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| 168 |
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| 169 |
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| 170 | (*) Fixes also included in the patched release 8.3.p01.
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| 171 |
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| 172 | ----------------------------------------------------------------------------
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| 173 |
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| 174 | Technical Notes
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| 175 | ---------------
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| 176 |
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| 177 | o This patch should be applied on top of release 9.0
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| 178 | o Technical notes distributed for release 9.0 are also applicable and
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| 179 | valid for this patch.
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| 180 |
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| 181 | The code and rebuilt binary libraries for release 9.0 are available
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| 182 | through our "Download" Web page:
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| 183 | http://cern.ch/geant4/support/download.shtml
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| 184 |
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| 185 | Please refer to the Geant4 User Documentation:
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| 186 | http://cern.ch/geant4/support/userdocuments.shtml
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| 187 | for further information about using Geant4.
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