Gabriele Cosmo
158 lines
6.3 KiB
Plaintext
158 lines
6.3 KiB
Plaintext
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Geant4 10.4 - patch-02 Release Notes
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------------------------------------
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25 May 2018
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List of fixes included in this public patch since the public release 10.4.p01:
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o Configuration:
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-------------
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+ CMake:
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o Updated to data-set G4RealSurface-2.1.1.
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Addressing problem report #2043.
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+ GNUMake:
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o architecture.gmk: corrected default path for external expat and zlib.
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o Darwing-clang.gmk: removed -pthread and -fPIC compilation options.
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o WIN32-VC.gmk: updated obsolete configuration for Qt5.
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o Event:
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-----
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o Use G4TrackStack as default and make use of G4SmartTrackStack optional.
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Addressing problem report #2040.
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o Externals:
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---------
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+ Corrected GNUmakefile on Windows.
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o Geometry:
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--------
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+ navigation:
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o G4PathFinder: in DoNextLinearStep(), use flag for relocated point to
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signal move from call to ReLocate(), and ensure that new point is used
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in cross-checks in subsequent Locate().
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Fix to revert change previously introduced in release 10.4, to keep
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fMinStep as 'logical' value, which can be kInfinity when step is not
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limited by Navigators. Resolves warnings issued by G4PathFinder for
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inaccuracies in relocation. Addressing problem report #2033.
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o G4Navigator::GetLocalExitNormal(): fix for normal calculated at the
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endpoint of current step, on a 'candidate' next volume. Adds missing
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transformation to the frame of the current volume.
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Addresses problem report #2054.
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o G4Navigator: fix in Set/RestoreSavedState() for setting of
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ReplicaNumber.
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o G4SafetyHelper: do not limit memorisation of safety in case of parallel
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geometries (when a length is not passed to safety method).
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Fix to include full message in Exception.
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+ solids/Boolean:
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o G4BooleanSolid: enhanced warning message for the case of an invalid
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(NULL) Boolean construct in GetPointOnSurface() and StackPolyhedron().
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Use -1 instead of 0 as default initialisation value for area and
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capacity, so to distinguish cases when values are zero referring to
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NULL Boolean constructs.
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o G4UnionSolid: define simple bounding-box and make use of early returns
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in Inside() for points laying outside.
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o Improved contruction of G4DiplacedSolid to combine transformations for
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nested displaced types.
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o Replaced USOLIDS_LIBRARIES with VECGEOM_LIBRARIES in sources.cmake.
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+ solids/CSG:
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o G4Box: simplified and optimised calculation of normal in method
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DistanceToOut(p,v,..).
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o Replaced USOLIDS_LIBRARIES with VECGEOM_LIBRARIES in sources.cmake.
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+ solids/specific:
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o Corrected conversion of input parameters to internal structure (used
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for caching for adoption in GDML persistency) in G4UPolycone and
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G4UPolyhedra wrappers.
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o Replaced USOLIDS_LIBRARIES with VECGEOM_LIBRARIES in sources.cmake.
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o Global:
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------
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+ Updated date and version for 10.4.p02.
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o Interfaces:
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----------
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+ G4UIQt: fixed bug with command guidance including HTML tags inside
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(<, > and &) and for "critical errors" message.
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o Particles:
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---------
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+ G4PhaseSpaceDecayChannel: fixed incorrect indexing in ManyBodyDecayIt(),
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causing incorrect setting of daughter momentum in 4-body phase-space
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decay. Addressing problem report #2053.
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o Persistency - gdml
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------------------
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+ Protect printout of progress in reading/writing by G4VERBOSE.
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o Physics Lists
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-------------
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+ constructors/electromagnetic:
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o G4EmModelActivator: fix for Opt4 and single-scattering activation.
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Addressing problem report #2045.
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o Processes - Electromagnetic:
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---------------------------
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+ lowenergy:
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o G4LivermorePhotoElectricModel: fixed incorrect deletion of static
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members when models defined per region. Addressing problem report #2052.
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o Processes - Hadronic:
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--------------------
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+ models/particle_hp:
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o G4ParticleHPFissionFS: protect against very rare cases of division
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by zero.
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+ models/radioactive_decay:
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o G4RadioactiveDecay: in ConvolveSourceTimeProfile(), switch from
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std::exp() to std::expm1() where small exp arguments are expected.
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This greatly reduces cancellation errors as well as the accumulated
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error in the variance reduction weight calculation. Although negative
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weights still occur, their size is reduced by about ten orders of
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magnitude, enough to set negative weights to zero.
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G4Radioactivation::ConvolveSourceTimeProfile(): same as above.
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Addresses problem report #1480.
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o Make sure last stable nuclide in decay chain is included as secondary
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in G4RadioactiveDecay::AddDeexcitationSpectrumForBiasMode() and in
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G4Radioactivation::AddDeexcitationSpectrumForBiasMode().
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Addresses problem report #2024.
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o Run:
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---
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+ G4ExceptionHandler: added track/step/volume information when an
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exception happens while event is being processed.
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o Visualization:
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-------------
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+ modeling:
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o Fixed bug in calculation of mass of parallel world, protecting for
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the case of no material assigned. Addressing problem report #2039.
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+ Tree:
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o Fixed bug in suppressed writing of repeated parameterised volumes.
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o Improved command guidance and advice printing.
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o Data sets:
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---------
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+ Patched data set for measured optical surface reflectance
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G4RealSurface-2.1.1:
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o Merged LBNL LUTs data introduced in 2.0 with the Davis LUTs.
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Addressing problem report #2043.
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o Examples:
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--------
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+ extended/optical/LXe:
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o Fixed header guard. Addressing problem report #2041.
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----------------------------------------------------------------------------
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Technical Notes
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---------------
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o This patch should be applied on top of release 10.4 or 10.4.p01.
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o Technical notes distributed for release 10.4 are also applicable and
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valid for this patch.
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The code and rebuilt binary libraries for release 10.4.p02 are available
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through our "Download" Web page.
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Please refer to the Geant4 User Documentation for further information about
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using Geant4.
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