[1337] | 1 | |
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| 2 | Geant4 3.1 Release Notes |
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| 3 | ------------------------ |
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| 4 | |
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| 5 | 6th April 2001 |
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| 6 | |
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| 7 | These are the main new features/fixes included in this release since |
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| 8 | release 3.0 (for the detailed list of fixes/additions, please refer to the |
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| 9 | related History files): |
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| 10 | |
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| 11 | o Configuration: |
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| 12 | ------------- |
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| 13 | - Added/enabled code in configuration files to store path to dynamic |
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| 14 | library from example/test directory in the executable. |
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| 15 | |
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| 16 | o Digits+Hits: |
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| 17 | ----------- |
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| 18 | - Migrated classes to use STL <vector> instead of RW wrappers. |
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| 19 | |
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| 20 | o Event: |
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| 21 | ----- |
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| 22 | - Migrated classes to use STL <vector> instead of RW wrappers. |
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| 23 | - Added proper time to G4PrimaryParticle. |
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| 24 | - Fixed bug in G4GeneralParticleSource. |
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| 25 | |
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| 26 | o Electromagnetic Processes (Low-energy): |
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| 27 | -------------------------------------- |
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| 28 | - Changes for STL migration of G4OrderedTable and G4DataVector. |
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| 29 | - Removed obsolete class G4Data. |
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| 30 | |
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| 31 | o Electromagnetic Processes (Standard): |
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| 32 | ------------------------------------ |
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| 33 | - Small corrections in e/hEnergyLoss to ensure consistency between |
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| 34 | cut in range and step limitation due to energy loss (finalRange |
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| 35 | data member <-> cut in range) |
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| 36 | - Change in energy loss computation in eBrems process. |
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| 37 | Parametrisation of energy loss due to soft brems has been corrected |
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| 38 | for big cut values. |
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| 39 | - Bug-fix in e/hEnergyLoss processes for AlongStepDoIt(). |
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| 40 | Do not use PostStep information in AlongStepDoIt() when generating |
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| 41 | sub-cutoff delta rays. |
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| 42 | - Small corrections in MuEnergyLoss process. |
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| 43 | - Bug fixed in MultipleScattering: there was an error in computation |
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| 44 | of the transport cross section, the cross section was too small for |
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| 45 | low energy (below few MeV for electrons). |
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| 46 | - Bug fixed in G4MuBremstrahlung::PostStepDoIt() in sampling energy |
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| 47 | of generated photons. Fixes the problem sometimes occuring of |
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| 48 | negative interaction length detected. |
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| 49 | - Fix at small cut value for error in loss fluctuations |
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| 50 | (for example in Al 100 microns). |
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| 51 | - Suppressed protection in PhotoElectric process. |
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| 52 | - Adopt fStopButAlive in eplusAnnihilation process. |
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| 53 | - Introduced new module 'integral' for integral processes: moved |
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| 54 | existing integral processes (G4I*, G4VI*) therein. |
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| 55 | |
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| 56 | o General Processes, Parameterisation, Decay, Optical: |
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| 57 | --------------------------------------------------- |
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| 58 | - Modified G4OpRayleigh to allow for Rayleigh scattering length to |
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| 59 | be defined for arbitrary material through the use of |
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| 60 | G4MaterialPropertyTable. This deals with bug report #199. |
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| 61 | - Fixes in the DoIt of G4OpRayleigh: to allow for positive and negative |
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| 62 | CosTheta and to force the new momentum direction of the photon after |
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| 63 | scattering to be in the same plane as the new and old polarization |
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| 64 | vectors. Deals with bug report #207. |
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| 65 | - Added abstract class G4VExtDecayer for external decayer and modified |
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| 66 | G4Decay accordingly. |
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| 67 | - Modified Store/RetrievePhysicsTable() methods: added a bool argument |
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| 68 | to specify ascii/binary mode. |
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| 69 | |
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| 70 | o Geometry: |
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| 71 | -------- |
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| 72 | - Boolean solids: |
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| 73 | o Minor fix to labels in G4Exception calls. |
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| 74 | Fixes problem report #200. |
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| 75 | o G4IntersectionSolid: |
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| 76 | - Fix in CalculateExtent() for computation of 'pMin' |
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| 77 | and 'pMax', to avoid assignment in case CalculateExtent() of |
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| 78 | one component solid fails. |
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| 79 | - Fix in Inside() to return 'kOutside' in case first component |
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| 80 | solid's Inside() returns 'kOutside'. |
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| 81 | o G4UnionSolid: |
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| 82 | - Fix in DistanceToOut(p,v,...) for assignment of argument *n to |
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| 83 | happen only if calcNorm is false. |
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| 84 | - Fix in CalculateExtent() for computation of 'pMin' and 'pMax'. |
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| 85 | |
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| 86 | - CSG solids |
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| 87 | o G4Tubs: |
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| 88 | - Corrections in phi-section algorithm of Inside(p). |
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| 89 | - Fixed condition from (pPhi<0) to (pPhi<-0.5*kAngleTolerance) |
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| 90 | in Inside(p). Fixes problem report #198. |
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| 91 | - Fixed bug in function Inside(p) in computation of pPhi |
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| 92 | for points at phi = 0 if the (start phi)+(delta phi) is |
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| 93 | at phi = 0. |
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| 94 | - Temporarly modified CalculateExtent(...), now simply based |
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| 95 | on G4Box::CalculateExtent(...). |
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| 96 | o G4Box: |
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| 97 | - Introduced checks against negative (or <2*kCarTolerance) |
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| 98 | dimensions in methods SetXHalfLength(), SetYHalfLength() and |
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| 99 | SetZHalfLength(). |
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| 100 | - Fixes to algorithm for computation of rotated vertices in |
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| 101 | CalculateExtent(). |
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| 102 | o G4Torus: |
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| 103 | - Extracted logic for G4PolynomialSolver now included |
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| 104 | in global/HEPNumerics. |
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| 105 | |
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| 106 | - Specific solids: |
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| 107 | o Fix in G4Hype::DistanceToOut(p,v,...): added protection against |
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| 108 | zero v.z. |
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| 109 | o G4IntersectingCone: make small adjustment to help with roundoff |
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| 110 | error in LineHitsCone1() and LineHitsCone2(). |
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| 111 | |
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| 112 | - Magnetic Field |
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| 113 | o Minor fix to G4MagneticField.hh: added explicit call to G4Field() |
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| 114 | in copy constructor. Fixes problem report #205. |
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| 115 | o Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing |
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| 116 | the possibility of (correct) use of all Helical Steppers. |
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| 117 | o Corrected field components in G4UniformElectricField. |
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| 118 | |
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| 119 | - Management |
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| 120 | o Introduced G4AssemblyVolume: helper class to combine |
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| 121 | volumes together in an arbitrary way in the 3D space. |
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| 122 | |
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| 123 | - Volumes |
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| 124 | o Fix in G4ReplicaNavigation::ComputeTransformation() to consider |
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| 125 | 'pVol' for SetPhiTransformation() in the kPhi case. |
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| 126 | o Fix in G4ReplicaNavigation::ComputeStep() to initialise 'ourStep' |
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| 127 | to kCarTolerance. |
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| 128 | |
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| 129 | o Global: |
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| 130 | ------ |
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| 131 | - Migrated G4PhysicsTable, G4PhysicsVector and all related classes |
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| 132 | to use STL <vector> instead of RW wrappers. |
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| 133 | - Fix to G4Allocator destructor: bug report #181. |
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| 134 | - Added generic class G4PolynomialSolver in HEPNumerics module. |
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| 135 | - Removed from G4PhysicsVector dependency over G4PhysicsTable. |
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| 136 | Removed methods: LinkPhysicsTable(), IsLinkedTableExist() and |
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| 137 | GetNextTable(). Removed data-member ptrNextTable. |
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| 138 | - Added new unit 'parsec' to SystemOfUnits.h |
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| 139 | - Fixed bug in constructor of G4PhysicsLnVector: initialised |
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| 140 | 'dataVector' to zero. |
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| 141 | - Added Store/RetrievePhysicsTable methods in G4PhysicsTable. |
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| 142 | - Added Store/Retrieve and GetType methods in G4PhysicsVector and |
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| 143 | related. |
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| 144 | - Introduced G4PhysicsVectorType class (enumeration). |
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| 145 | - G4UnitsTable: resolved ambiguity of old/new style iostream for |
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| 146 | formatting in operator<<. |
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| 147 | |
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| 148 | o Graphics Representations: |
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| 149 | ------------------------ |
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| 150 | - Tidying for CodeWizard. Added virtual destructors to |
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| 151 | HepPolyhedronBox, etc. Also made all constructors non-inline. |
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| 152 | - Removed G4Circle.icc and G4VVisPrim.icc. |
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| 153 | |
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| 154 | o Hadronic Processes: |
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| 155 | ------------------ |
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| 156 | - Bug fix for very low energy ion cross-sections; should have no |
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| 157 | visible effect. |
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| 158 | - Moved inline implementation of G4Solver to G4Solver.icc. |
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| 159 | |
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| 160 | o Materials: |
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| 161 | --------- |
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| 162 | - Bug fixed in G4IonisParamMat.cc : E100eV instead of E100keV |
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| 163 | This bug affected the values of the density correction parameters |
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| 164 | in the energy loss (dE/dx) computation: ~3-5 % error in dE/dx in |
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| 165 | the energy range 1 MeV - 50 MeV ! |
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| 166 | - Added new method G4Material::GetNuclearInterLength(). |
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| 167 | - Bug fix concerning units in G4SandiaTable::GetSandiaCofPerAtom(). |
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| 168 | Reimplemented G4SandiaTable::ComputeMatSandiaMatrix(). |
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| 169 | - Added protection in GetSandiaCofForMaterial(). |
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| 170 | - fnulcof added as data member in G4SandiaTable. |
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| 171 | - Revision of destructor, copy constructor, assignement operator in |
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| 172 | G4IonisParam, G4Isotope, G4Element and G4Material, according to |
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| 173 | problem report #106. |
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| 174 | - Removed warning to cerr in GetIsotope(name), GetElement(name), |
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| 175 | and GetMaterial(name). |
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| 176 | |
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| 177 | o Particles: |
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| 178 | --------- |
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| 179 | - Added pre-assignedDecayTime to G4DynamicParticle. |
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| 180 | - Bug fix in calculation of electron energy in G4MuDecayChannel. |
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| 181 | Fixes problem report #224. |
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| 182 | - Fixed a bug in G4DynamicParticle::SetDefinition() for problem |
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| 183 | report #228. |
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| 184 | - Added RestoreCuts() methods to G4ParticleWithCuts class. |
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| 185 | |
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| 186 | o Persistency: |
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| 187 | ----------- |
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| 188 | - G4PDCofThisEvent.ddl: fixed a bug in GetNumberOfCollections(). |
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| 189 | |
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| 190 | o Readout: |
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| 191 | ------- |
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| 192 | - Migrated classes to use STL <vector> instead of RW wrappers. |
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| 193 | |
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| 194 | o Run and Intercoms: |
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| 195 | ----------------- |
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| 196 | - Migrated classes to use STL <vector> instead of RW wrappers. |
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| 197 | |
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| 198 | o Tracking & Track: |
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| 199 | ---------------- |
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| 200 | - Changes for STL migration of G4OrderedTable and G4DataVector. |
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| 201 | - Migrated classes to use STL <vector> instead of RW wrappers. |
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| 202 | - Added comments to headers for the Software Reference Manual. |
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| 203 | - Added copy constructor for G4Track. |
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| 204 | - Fix in G4Track::GetVelocity() for Gamma |
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| 205 | - Fixes to G4StepPoint::GetVelocity() for problem report #208 |
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| 206 | and to return correct value in case of optical-photon. |
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| 207 | - Added call to SetVelocity() in G4Step::InitializeStep(). |
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| 208 | - G4PArticleChange: fix in case momentum is zero, (even if |
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| 209 | energy>0.0 and very small) to overcome problems due to |
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| 210 | precision issues. |
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| 211 | |
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| 212 | o Transportation: |
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| 213 | -------------- |
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| 214 | - Improved calculation of energy at the end of the field. |
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| 215 | - G4Transportation modified to use new FieldTrack, and get Kinetic |
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| 216 | Energy from it. This implements integration in Momentum (*c-light) |
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| 217 | instead of velocity. |
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| 218 | |
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| 219 | o Visualization: |
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| 220 | ------------- |
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| 221 | - Changed rotation of phi-replicas in G4PhysicalVolumeModel.cc to |
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| 222 | ensure correspondence with rule that phi=0 bisects the replica. |
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| 223 | |
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| 224 | WARNING: Prior to this fix the graphics did NOT correspond to the |
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| 225 | replica navigation. If you have been relying on the graphics to |
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| 226 | position daughter volumes in a phi-replica, navigation will have |
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| 227 | been incorrect, possibly without causing a crash. The above fix |
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| 228 | will change the apparent position as shown by the graphics and you |
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| 229 | will have to correct the positioning of daughters. Make sure the |
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| 230 | daughters are all properly enclosed within the replica. Graphics |
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| 231 | and navigation now correspond. |
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| 232 | - Added auto-refresh facility for OpenGL. |
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| 233 | - Bug fixes for problems: |
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| 234 | #120: improved up vector calculation to avoid view "flipping" |
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| 235 | at (90, 90). |
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| 236 | #157: fixed crash when viewer was defined before scene. |
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| 237 | #204: fixed failure to change number of sides per circle. |
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| 238 | - Fixed problem when requested physical volume was at depth 2 or more. |
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| 239 | - Migrated classes to use STL <vector> instead of RW wrappers. |
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| 240 | - Introduced many new commands (listed below). Old commands print a |
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| 241 | DEPRECATED warning. |
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| 242 | o New compound command: |
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| 243 | /vis/drawView [<theta-deg>] [<phi-deg>] |
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| 244 | [<pan-right>] [<pan-up>] [<pan-unit>] |
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| 245 | [<zoom-factor>] [<dolly>] [<dolly-unit>] |
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| 246 | o New primitive commands: |
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| 247 | /vis/enable [true|false] |
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| 248 | /vis/disable |
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| 249 | /vis/verbose [] |
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| 250 | /vis/viewer/set/lineSegmentsPerCircle [] |
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| 251 | /vis/viewer/set/sectionPlane ... |
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| 252 | /vis/viewer/set/autoRefresh |
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| 253 | /vis/viewer/set/projection |
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| 254 | /vis/viewer/dolly |
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| 255 | /vis/viewer/dollyTo |
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| 256 | /vis/viewer/lightsThetaPhi |
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| 257 | /vis/viewer/lightsVector |
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| 258 | /vis/viewer/pan |
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| 259 | /vis/viewer/panTo |
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| 260 | /vis/viewer/viewpointThetaPhi |
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| 261 | /vis/viewer/viewpointVector |
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| 262 | /vis/viewer/zoom |
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| 263 | /vis/viewer/zoomTo |
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| 264 | /vis/viewer/set/hiddenMarker |
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| 265 | /vis/viewer/set/lightsMove |
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| 266 | |
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| 267 | o G4toG4 Tool: |
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| 268 | ----------- |
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| 269 | - Fixed bug in G3toG4BuildTree(G3VolTableEntry*, G3VolTableEntry*) |
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| 270 | when positioning volume copies. Index is now decremented. |
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| 271 | Added -DG3G4DEBUG to CPPFLAGS in GNUmakefile. |
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| 272 | Fixes bug report #188. |
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| 273 | - Added support for replicated "PARA" shapes in |
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| 274 | G3Division::CreateSolid(...). Slices are placed with |
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| 275 | G4PVPlacement instead of G4PVReplica for this particular case. |
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| 276 | - G3toG4MakeSolid.cc: fixed bug in construction of G4Sphere where |
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| 277 | 'theta' and 'phi' parameters were reversed according to G4Sphere |
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| 278 | constructor. Fixes problem report #230. |
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| 279 | |
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| 280 | o Examples: |
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| 281 | -------- |
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| 282 | - Introduced modular Physics List in exampleN04. |
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| 283 | - ExampleN02: fix to ExN02ChamberParameterisation and |
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| 284 | ExN02DetectorConstruction to cope with bug report #186. |
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| 285 | - Added G4MuonMinusCaptureAtRest in physics list of ExampleN04. |
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| 286 | |
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| 287 | |
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| 288 | Notes: |
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| 289 | |
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| 290 | o Geant4 3.1 is based on STL and can be installed with strict |
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| 291 | ISO/ANSI C++ compliant setup or not. See notes below. |
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| 292 | |
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| 293 | The code and some binary libraries are available through our "Source Code" |
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| 294 | Web page: |
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| 295 | - see our Geant4 Home Page (http://cern.ch/geant4). |
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| 296 | |
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| 297 | Please refer to the Geant4 User Documentation |
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| 298 | (http://cern.ch/geant4/G4UsersDocuments/Overview/html) |
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| 299 | for further information about using Geant4. |
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| 300 | Updates to the documentation for Geant4 3.1 are expected to be published as |
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| 301 | usual within three weeks from the release date. |
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| 302 | |
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| 303 | |
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| 304 | Contents |
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| 305 | -------- |
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| 306 | |
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| 307 | 1. Supported and Tested Platforms |
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| 308 | 2. ANAPHE and CLHEP |
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| 309 | 3. The Standard Template Library (STL) |
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| 310 | 4. Persistency |
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| 311 | 5. Compiler Specific Problems |
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| 312 | 6. Known Run-Time Problems |
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| 313 | 7. Compilation Warnings |
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| 314 | 8. Known Run-Time Warnings |
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| 315 | |
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| 316 | |
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| 317 | 1. Supported and Tested Platforms |
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| 318 | --------------------------------- |
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| 319 | |
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| 320 | o SUN Solaris 5.6/5.7, C++ 4.2 Patch 104631-04, C++ 5.2 Patch 109508-02. |
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| 321 | o HP 10.20, aCC C++ B3910B A.01.23 |
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| 322 | o Linux 2.2.17-7, gcc C++ egcs-2.91.66 (egcs 1.1.2), gcc 2.95.2. |
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| 323 | This configuration was tested with the RedHat 6.1 distribution, but |
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| 324 | versions of Geant4 have also been compiled successfully on Debian |
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| 325 | and Suse distributions. |
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| 326 | o NT 4.0 with Service Pack 4 and Cygnus Tools b20 with: |
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| 327 | Visual C++ 6.0 Service Pack 2 |
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| 328 | |
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| 329 | Platforms also tested but giving rise to some problems - see below: |
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| 330 | |
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| 331 | o DEC V4.0, cxx C++ V6.1-027. |
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| 332 | |
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| 333 | Platforms configured but not tested and not supported: |
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| 334 | o SGI V6.5.5, CC 7.2.1 with ObjectSpace |
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| 335 | o AIX 4.3.2, xlC compiler with ObjectSpace |
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| 336 | |
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| 337 | |
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| 338 | 2. ANAPHE and CLHEP |
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| 339 | ------------------- |
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| 340 | |
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| 341 | Geant4 3.1 requires the installation of CLHEP. |
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| 342 | |
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| 343 | See CLHEP (http://cern.ch/clhep/INSTALLATION/clhep.html). |
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| 344 | Tests have been performed with CLHEP 1.6.0.0. |
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| 345 | |
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| 346 | By default, the CLHEP installation scripts will activate ISO/ANSI C++ features |
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| 347 | if the compiler is capable. You need to explicitly disable CLHEP settings in |
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| 348 | case you wish non-ISO/ANSI setup on specific compilers. |
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| 349 | |
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| 350 | Geant4 3.1 coworks with ANAPHE 3.2.0 and components included therein: |
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| 351 | Objectivity 5.2.1 |
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| 352 | ObjectSpace 2.1 |
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| 353 | HepODBMS 0.3.1.4 |
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| 354 | CLHEP 1.6.0.0 |
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| 355 | |
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| 356 | For more information about ANAPHE, see: http://cern.ch/anaphe |
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| 357 | |
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| 358 | |
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| 359 | 3. The Standard Template Library |
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| 360 | -------------------------------- |
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| 361 | |
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| 362 | The following versions of STL have been tested: |
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| 363 | |
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| 364 | ObjectSpace STL on SUN (CC 4.2). |
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| 365 | |
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| 366 | See ObjectSpace (http://www.objectspace.com). |
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| 367 | |
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| 368 | "Native" STL on: Windows/NT, Linux, HP, DEC and SUN (CC 5.2). |
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| 369 | |
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| 370 | This is selected at installation/compile time by the environment variable |
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| 371 | G4USE_OSPACE in the case of the former - see documentation. |
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| 372 | |
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| 373 | NOTES: |
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| 374 | - Be aware that by default, the installation scripts will expect to use |
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| 375 | the native STL implementation. You must set the G4USE_OSPACE variable |
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| 376 | in the environment in order to select the ObjectSpace implementation. |
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| 377 | |
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| 378 | - Platform specific setup: |
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| 379 | o DEC: ObjectSpace is required in non ISO/ANSI setup. |
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| 380 | Native STL is required for ISO/ANSI setup. |
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| 381 | o HP: either ObjectSpace or native STL can be used (non ISO/ANSI setup). |
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| 382 | o SUN: ObjectSpace is required in non ISO/ANSI setup (CC 4.2). |
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| 383 | Native STL is required for ISO/ANSI setup (CC 5.2 only). |
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| 384 | o Linux: Native STL is required (non ISO/ANSI setup). |
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| 385 | o NT: Native STL and ISO/ANSI setup required. |
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| 386 | |
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| 387 | In the interest of stability, part of the code in Geant4 3.1 still makes use |
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| 388 | of the "STL Interface" wrapper classes, used for allowing the migration from |
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| 389 | Rogue Wave Tools.h++ container library. For these the emphasis has remained |
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| 390 | on correct behaviour, rather than performance. |
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| 391 | |
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| 392 | |
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| 393 | 4. Persistency |
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| 394 | -------------- |
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| 395 | |
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| 396 | See release notes for Geant4 3.0. |
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| 397 | |
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| 398 | 5. Compiler Specific Problems |
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| 399 | ----------------------------- |
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| 400 | |
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| 401 | o DEC V4.0, cxx C++ V6.1-027. |
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| 402 | |
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| 403 | - We have found cases of mis-compilation of min and max templates |
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| 404 | on DEC. We have traced those which cause serious malfunction |
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| 405 | but there is no guarantee that there are no other cases. |
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| 406 | Detailed inspection of assembler output suggests that this |
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| 407 | problem might not be confined to min and max. This has been |
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| 408 | reported to DEC/Compaq. We understand a new version 6.2 of the |
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| 409 | compiler is now available. However we cannot guarantee correct |
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| 410 | execution of Geant4 on DEC with the current version of the |
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| 411 | compiler. |
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| 412 | - A bug in cin.getline() system function causes an anomalous |
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| 413 | behavior when running in interactive-mode on DEC-cxx 6.1 in |
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| 414 | ISO/ANSI mode. We tested the bug has been fixed in more recent |
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| 415 | versions of the compiler. |
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| 416 | |
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| 417 | |
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| 418 | 6. Known Run-Time Problems and Limitations |
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| 419 | ------------------------------------------ |
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| 420 | |
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| 421 | For a complete list of outstanding run-time problems and to submit any |
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| 422 | problem you may find running this version of Geant4, please refer to the |
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| 423 | Geant4 Problem Reporting System, available on the Web at this address: |
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| 424 | |
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| 425 | http://cern.ch/geant4/problemreport |
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| 426 | |
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| 427 | |
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| 428 | 7. Compilation Warnings |
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| 429 | ----------------------- |
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| 430 | |
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| 431 | There are compilation warnings on some platforms. We do not believe |
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| 432 | that any will lead to incorrect run-time behaviour, but we are working |
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| 433 | on reducing them. |
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| 434 | |
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| 435 | |
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| 436 | 8. Known Run-Time Warnings |
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| 437 | -------------------------- |
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| 438 | |
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| 439 | The following messages can be written to error output while tracking. We |
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| 440 | believe none give rise to incorrect behaviour. |
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| 441 | |
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| 442 | o G4PropagateInField: Warning: Particle is looping |
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| 443 | - tracking in field will be stopped. |
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| 444 | It has performed 10000 steps in Field while a maximum of 10000 |
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| 445 | are allowed. |
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