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<HTML>
<HEAD>
<TITLE>Geant4 11.2 Release Notes</TITLE>
</HEAD>
<BODY BGCOLOR='F0F0F0'>
<P> </P>
<BR>
<P> </P>
<P ALIGN="Center">
<FONT SIZE="+4" COLOR="#238E23">
<B>Geant4 11.2 Release Notes</B>
</FONT>
<TABLE WIDTH="100%">
<TR><TD ALIGN="Right">
<FONT SIZE="-1" COLOR="#5C3317">
<B><I>December 8<SUP>th</SUP>, 2023</I></B>
</FONT>
</TD></TR>
</TABLE>
<BR><BR>
<HR ALIGN="Center" SIZE="7%">
<P>
The code and binary libraries for the supported systems are available
through our <A TARGET="ext" HREF="http://cern.ch/geant4/support/download">Source
Code Web page</A>.
</P>
<P>
<I>We are grateful for the efforts of Geant4 users who have provided
detailed feedback or comprehensive reports of issues.
We thank in particular those who have contributed corrections,
improvements or developments included in this release. </I>
</P>
<P>
Please refer to the
<A TARGET="ext" HREF="http://cern.ch/geant4/support/user_documentation">Geant4
User Documentation</A> for further information about using Geant4.
</P>
<H2><I>Contents</I></H2>
<OL>
<LI><A HREF="#1.">Supported and Tested Platforms</A></LI>
<LI><A HREF="#2.">Supported CLHEP, VecGeom and PTL versions</A></LI>
<LI><A HREF="#3.">Items for migration of the user code</A></LI>
<LI><A HREF="#4.">New Developments and Capabilities</A></LI>
<LI><A HREF="#5.">Expected effects on physics and performance</A></LI>
<LI><A HREF="#6.">Known Run-Time Problems and Limitations</A></LI>
<LI><A HREF="#7.">Compilation Warnings</A></LI>
<LI><A HREF="#8.">Geant4 Software License</A></LI>
<LI><A HREF="#9.">Detailed list of changes and fixes</A></LI>
</OL>
<P> </P>
<A NAME="1."></a>
<HR>
<!-- ============================================== -->
<H2>1. Supported and Tested Platforms</H2>
Platforms:
<UL>
<LI>Linux, gcc-11.3.1.<BR>
Tested on 64 bit architectures (Intel or AMD) with
Alma Linux 9 (based on RedHat Linux Enterprise 9).</LI>
<LI>macOS 14.1.1 Sonoma with Apple LLVM/Clang-15.<BR>
Tested on 64 bit architectures (Intel or Apple Silicon).</LI>
<LI>Windows-10 with Visual C++ 14.36 (Visual Studio 2022).</LI>
</UL>
More verified and tested configurations (64 bits):
<UL>
<LI>Linux, gcc-9.4/10.3/11.3/12.1/13.2, clang-14/16/17</LI>
<LI>Linux, Intel-icx 2022.2</LI>
<LI>macOS 13.6 Ventura with Apple LLVM/clang-15</LI>
<LI>macOS 12.7 Monterey with Apple LLVM/clang-14</LI>
<LI>Windows/10 with Visual C++ 14.29 (Visual Studio 2019)</LI>
</UL>
<P> </P>
<A NAME="2."></A>
<HR>
<!-- ============================================== -->
<H2>2. Supported CLHEP, VecGeom and PTL versions</H2>
This release of Geant4 has been verified with
<A TARGET="ext" HREF="http://cern.ch/clhep/">CLHEP</A>, release <B>2.4.7.1</B>.
Use of a different CLHEP version may cause incorrect simulation results.<BR>
NOTE: an internal module of the relevant CLHEP classes is provided and can be
used as alternative to an external CLHEP library installation.<BR>
A configuration option allows a Geant4 installation to use the
<A HREF="https://gitlab.cern.ch/VecGeom/VecGeom/">VecGeom Library</A>
primitives, to replace the original Geant4 solids.<BR>
VecGeom version <B>2.0.0-rc2</B> or <B>1.2.6</B> have been tested when using
such configuration.<BR>
PTL version <B>2.3.3</B> is required for external installation of the
<A HREF="https://github.com/jrmadsen/PTL">PTL tasking library</A>.<BR>
CMake <B>3.16</B> is the minimum version required to build Geant4.
<P> </P>
<A NAME="3."></A>
<HR>
<!-- ============================================== -->
<H2>3. Items for migration of the user code</H2>
Listed here is some relevant information on developments included in this
release.
Note that for all users a full re-installation of libraries (or a full
re-compilation) and a re-compilation of user applications is required.
<P> </P>
<B>General</B>
<P> </P>
<UL>
<LI>Added support for declaring headers of a source code module private.
Headers declared private are not installed. Partial refactoring of
modules.</LI>
<LI>Removed deprecated GNUmake scripts for libraries build.</LI>
</UL>
<P> </P>
<B>Geometry, Fields and Transportation</B>
<P> </P>
<UL>
<LI>The inheritance level for G4TouchableHistory has been removed, simplifying
touchables handling. G4VTouchable is now a simple typedef of
G4TouchableHistory, therefore forward declarations of G4VTouchable
in the code will have to be promoted to concrete inclusion of the
related header file.</LI>
<LI>Unused concrete touchable types G4GRSSolid and G4GRSVolume have been
retired and are no longer available.</LI>
</UL>
<P> </P>
<B>Electromagnetic and optical physics</B>
<P> </P>
<UL>
<LI>G4NeutrinoPhysics constructor is now added.</LI>
<LI>New dataset G4EMLOW-8.5 is required and should be used.</LI>
</UL>
<P> </P>
<B>Hadronic physics</B>
<P> </P>
<UL>
<LI>The default value of the time threshold for radioactive decays of ions -
above which these decays are ignored - has been changed, from
<TT>10^27 ns</TT> (i.e. about twice the age of the universe) to
<TT>1 year</TT>. For applications where radioactive decays of ions do
play an important role, it is recommended to increase the default time
threshold of these decays to a very high value, e.g. <TT>1.0e+60 years</TT>.
This can be done in either one of the following three ways:
<OL>
<LI>Via UI command, e.g.
<TT>/process/had/rdm/thresholdForVeryLongDecayTime 1.0e+60 year</TT>,
(command to be used after <TT>/run/initialization</TT>);</LI>
<LI>Via C++ interface, e.g.
<TT>G4HadronicParameters::Instance()->SetTimeThresholdForRadioactiveDecay( 1.0e+60*CLHEP::year )</TT>
(to be placed in the main program before run initialization);</LI>
<LI>Via the second parameter of the constructor of the class
G4RadioactiveDecay (for analogue mode only) or G4Radioactivation
(for both analogue or biased mode), e.g.
<TT>G4RadioactiveDecay( "RadioactiveDecay", 1.0e+60*CLHEP::year )</TT>
or <TT>G4Radioactivation( "Radioactivation", 1.0e+60*CLHEP::year )</TT>
(this is for custom physics lists, before run initialization).</LI>
</OL>
In the examples, the first method is adopted.</LI>
<LI>Renamed classes for capture from G4ParticleHPCapture to G4NeutronHPCapture.
Removed unused G4NeutronHP*.hh headers for elastic and inelastic.</LI>
</UL>
<P> </P>
<B>Persistency</B>
<UL>
<LI>The build of the persistency library, G4Persistency, has been split into
G4mctruth, G4geomtext and (optional) G4gdml libraries.</LI>
</UL>
<P> </P>
<B>Visualization and Modeling</B>
<P> </P>
<UL>
<LI>In order to allow support of Qt6, OGL is temporarily diverted to TSG by default.
If VTK is requested, due to compatibility issues, all other drivers that use OpenGL
- GLES "toolssg" drivers and all OpenGL drivers - are not registered automatically
by G4VisExecutive.</LI>
</UL>
<P> </P>
<B>Data Sets</B>
<P> </P>
<UL>
<LI>This release introduces new data set versions.
Please see the corresponding details in
<A href="#data-notes">Section 9</A> of this document.
<UL>
<LI>New data set versions: <TT>G4EMLOW-8.5, G4ABLA-3.3,
G4INCL-1.2</TT>.</LI>
<LI>In order to use <TT>ParticleHP</TT> for charged particles
(protons, deuterons, tritons, He3 and alphas), an optional data
set <TT>G4TENDL-1.4</TT> is required, and can be optionally
downloaded in addition.</LI>
</UL></LI>
</UL>
<A NAME="4."></A>
<HR>
<!-- ============================================== -->
<H2>4. New Developments and Capabilities </H2>
<B>General</B>
<UL>
<LI>First implementation of G4SubEvent and related mechanism for registration
and merging in a run.</LI>
<LI>Reviewed/simplified stream buffer and I/O classes.</LI>
</UL>
<B>Analysis</B>
<UL>
<LI>Added new G4AnalysisManager functions for deleting selected histograms,
profiles and n-tuples, with related UI commands.</LI>
<LI>G4AnalysisManager functions <TT>GetNof[Hn|Pn|Ntuple]s()</TT> can be called
with a new, optional, Boolean argument <TT>onlyIfExist</TT>.</LI>
<LI>Added UI commands for creating n-tuple.</LI>
</UL>
<B>Geometry & Field</B>
<UL>
<LI>New Quantum State Simulation (QSS) integration method, an alternative
method of integration offering built-in interpolation capability and
enabling faster finding of the intersection of the trajectory with
surfaces.</LI>
<LI>Added new G4VNavigation common navigation interface class and streamlined
code in navigation classes to use the new common interface.</LI>
<LI>Added new G4SafetyCalculator class, auxiliary to G4Navigator; used in
G4Navigator in <TT>ComputeSafety()</TT> to avoid saving/restoring
state.</LI>
</UL>
<B>Materials</B>
<UL>
<LI>New G4ElementDataRegistry management class for shared data per element in
materials.</LI>
<LI>In G4MaterialPropertiesTable, improved building of vectors of material
property names.</LI>
<LI>In G4NistMaterialBuilder, all liquid materials are marked as
<TT>kLiquid</TT>.</LI>
</UL>
<B>Electromagnetic physics</B>
<UL>
<LI>Fixed single scattering per region, active inside the region
and disabled outside.</LI>
<LI>Removed most calls to environment variables in electromagnetic physics
classes</LI>
<LI>In G4UrbanMscModel, reduced number of re-computations of safety.</LI>
<LI>Reviewed initialisation of static data in G4SeltzerBergerModel and
G4eBremsstrahlungRelModel classes.</LI>
<LI>In G4LivermorePhotoElectricModel, updated initialisation of static tables
for thread safety and setting of shell cross-sections.</LI>
<LI>New process G4XrayReflection to describe X-ray surface scattering based
on data provided in <TT>G4EMLOW-8.5</TT>.</LI>
<LI>New class G4MicroElecCapture for better estimation of the non ionizing
energy deposition.</LI>
<LI>Rewritten G4DNARuddIonisationExtendedModel G4DNA model, applicable for
scaled energy interval from <TT>100 eV</TT> to <TT>100 MeV</TT>.</LI>
</UL>
<B>Hadronic physics</B>
<UL>
<LI>Introduced a new, alternative set of parameters for the Fritiof (FTF) string
model, meant to overcome the problem of too optimistic (i.e. narrow) pion
shower energy resolutions in ATLAS calorimeters with respect to test-beam
data. This new FTF tune is enabled only in the reference physics list
FTFP_BERT_ATL.</LI>
<LI>In G4RadioactiveDecay, changed default threshold for the time beyond
which radioactive decays are ignored, from twice the age of the
Universe to one year. The code has also been reviewed to use only one
table of radioactive decay channels and streamlined code for thread
safety.</LI>
<LI>Major extension of the INCLXX model to handle antiproton annihilation
at rest and in-flight. All INCLXX-based physics lists now use INCLXX for
the antiproton annihilation at rest.
Note that, for the time being, for in-flight antiproton annihilation, FTFP
is still used in all physics lists.</LI>
<LI>Implemented an accurate modeling of elastic resonant scattering in heavy
nuclei by the use of the Doppler Broadening Rejection Correction (DBRC)
algorithm. By default, this treatment is not activated; it can be switched
on via the UI command: <TT>/process/had/particle_hp/use_DBRC true</TT>.</LI>
<LI>Implemented interface allowing the coupling between Binary Cascade (BIC)
and ABLA, i.e. using BIC for the cascade and then ABLA for the nuclear
de-excitation.</LI>
<LI>Extended Bertini model to allow the use of ABLA as alternative post-cascade
nuclear de-excitation (the default de-excitation remains unchanged).</LI>
<LI>New cross-section class G4ChargeExchangeXS for charge exchange process.</LI>
<LI>Reviewed and updated the fermi_breakup model.</LI>
<LI>Safer initialisation of static data in hadronic cross-section classes.
Added new HP cross-section classes.</LI>
<LI>Added classes for QMD model optimised for light ions, recommended
for medical applications.</LI>
</UL>
<B>Particles</B>
<UL>
<LI>Particle properties have been updated according to PDG-2023.</LI>
</UL>
<B>Persistency</B>
<UL>
<LI>Added possibility to set alternative grammar for schema validation
while reading a GDML file.</LI>
</UL>
<B>Physics Lists</B>
<UL>
<LI>New physics list QGSP_BIC_HPT, similar to QGSP_BIC_HP, but with
special treatment of elastic scattering of thermal neutrons activated.</LI>
<LI>Added new physics lists to the physics factory, for <TT>HPT</TT> variants
(i.e. with special treatment of elastic scattering of thermal neutrons)
of physics lists with <TT>HP</TT> already present (FTFP_BERT_HPT,
QGSP_BERT_HPT, QGSP_BIC_HPT, QGSP_BIC_AllHPT, FTFP_INCLXX_HPT,
QGSP_INCLXX_HPT, Shielding_HPT, and ShieldingM_HPT).</LI>
<LI>Introduced new physics list names to the physics factory, Shielding_HP and
ShieldingM_HP, as alias of, respectively, Shielding and ShieldingM.</LI>
<LI>Used in the FTFP_BERT_ATL physics list a new, specific, FTF tune meant to
overcome the problem of too optimistic (i.e. narrow) pion shower energy
resolutions in ATLAS calorimeters with respect to test-beam data.
Note: for all other reference physics lists (e.g. FTFP_BERT), the default
set of FTF parameters is applied; in order to enable the new tune in these
physics lists, one can use, before initialization, either the UI command:
<TT>/process/had/models/ftf/selectTuneByName energy-resolution-tune2023-v0</TT>
or through C++ interface:
<TT>G4FTFTunings::Instance()->SetTuneApplicabilityState(4, 1)</TT>.</LI>
<LI>In INCLXX-based reference physics lists (e.g. FTFP_INCLXX, QGSP_INCLXX, etc.),
INCLXX is used for antiproton annihilation at rest (instead of FTFP as
before).
Note: in order to use INCLXX for antiproton annihilation at rest in other
physics lists, one need to modify the source code of the physics list by
replacing the class G4StoppingPhysics with G4StoppingPhysicsWithINCLXX.</LI>
<LI>Added new physics constructor for neutrino physics, G4NeutrinoPhysics,
and its messenger. New constructors G4ChargeExchangePhysics and
G4NeutrinoPhysics may be added on top of any modular Physics List.
Both constructors have messengers with UI commands allowing to configure
these new physics processes.</LI>
<LI>Added a Boolean parameter to the Shielding physics list constructor
which allows to use the new G4LightIonQMD model instead of the default
QMD model.
Note: the new model G4LightIonQMD provides more precise modelling than
QMD for medical applications; for other applications, e.g. shielding,
physics validation is needed to compare the two models.</LI>
<LI>New physics list QBBC_ABLA, behaving as QBBC, but using the ABLA model
for nuclear de-excitation, instead of precompound/de-excitation,
for charged pions and nucleons projectiles.
This is for testing, not yet recommended for physics studies.</LI>
</UL>
<B>Processes - General</B>
<UL>
<LI>New submodule <I>channeling</I>, implementing fast-simulation channeling
model in oriented crystals with Baier Katkov method for the calculation of
radiation probability, radiation point and parameters of photon production
as well as spectrum accumulation.</LI>
</UL>
<B>Visualization and Interfaces</B>
<UL>
<LI>First version of the TSG_[QT,X11,XT,WINDOWS]_ZB sub drivers, allowing for
interactive 3D rendering bypassing native graphics systems.</LI>
<LI>TSGQt driver temporarily enabled by default with OGL driver choice,
to allow support of Qt6.</LI>
<LI>Updated and extended Vtk visualization driver with new features and
fixes.</LI>
<LI>Supporting first implementation of a no-frills GUI-side scene tree
in the Qt GUI.</LI>
<LI>Implemented a more flexible way of choosing a graphics system for
visualisation, preserving the existing behaviour in all aspects.</LI>
<LI>Implemented <I>generic cutaways</I> in visualization. Clips, sections and
cutaways will now be available to *all* viewers (OpenGL still uses
OpenGL clip planes. Use another driver, e.g., TSG, to get "generic
cutaways").</LI>
<LI>Enabled first-level support for Qt6.
Fixed minimum supported version for Qt5 to be 5.9.</LI>
<LI>In G4UIQt, implemented right-click pop-up menu for touchables in new
scene tree.</LI>
</UL>
<B>Examples</B>
<UL>
<LI>New Geant4-FLUKA interface and two hadronic examples, providing access to
FLUKA-Cern hadron-nucleus inelastic physics.</LI>
<LI>New advanced example <TT>xray_TESdetector</TT> of the application of Geant4
in a space environment. It represents an x-ray detector derived from the
X-IFU, the X-ray spectrometer designed and developed by the European Space
Agency (ESA) for use on the ATHENA telescope</LI>
<LI>New advanced example <TT>xray_SiliconPoreOptics</TT>, demonstrating an
application of Geant4 in space environment. The geometry represents a
single reflective pore used to simulate on a smaller scale the effect
of the millions of pores forming the mirror of the ATHENA Silicon Pore
Optics (SPO).</LI>
<LI>New extended example <TT>radiobiology</TT>, realized for dosimetric and
radiobiological applications of proton and ion beams.</LI>
<LI>New advanced example <TT>dsbandrepair</TT>, a Geant4-DNA application for
evaluating the early radiation-induced DNA damage.</LI>
<LI>New Geant4-DNA example <TT>UHDR</TT> showing how to activate the mesoscopic
model in chemistry. It allows to simulate chemical reactions longtime
(beyond <TT>1 us</TT>) of post-irradiation.</LI>
<LI>New Geant4-DNA example <TT>dnadamage2</TT> providing scoring of plasmid DNA
strand breaks using the IRT method.</LI>
<LI>New extended Vtk specific example demonstrating new features only available
in the VTK viewer.</LI>
</UL>
<A NAME="5."></A>
<HR>
<!-- ============================================== -->
<H2>5. Expected effects on physics and computing performance</H2>
<B>Electromagnetic physics</B>
<UL>
<LI>Consistent with measurements obtained in Geant4 11.1 series.</LI>
</UL>
<B>Hadronic physics</B>
<UL>
<LI>The hadronic showers remain the same as in Geant4 11.1 series.</LI>
<LI>Physics results of HP-based physics lists are expected to remain unchanged
(i.e. the same as Geant4 11.1 series), regardless several technical code
improvements; the only exception is when using QGSP_BERT_HP, for which
there might be some changes in the physics results (validation is still
on-going).</LI>
</UL>
<B>PTL threading library</B>
<UL>
<LI>The <TT>PTL::ThreadPool::execute_thread()</TT> member function is compiled
unoptimised on Intel-based macOS systems to avoid GPFLT errors (see Bugzilla
ticket <A HREF="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2564">#2564</A>).
No significant performance degradation is observed or expected.</LI>
</UL>
<P> </P>
<A NAME="6."></A>
<HR>
<!-- ============================================== -->
<H2>6. Known Run-Time Problems and Limitations</H2>
For a complete list of outstanding run-time problems and to submit any
problem you may find while running this version of Geant4, please refer
to the
<A TARGET="ext" HREF="http://cern.ch/geant4/problemreport">Geant4 Problem
Reporting System</A>.
<P> </P>
<A NAME="7."></A>
<HR>
<!-- ============================================== -->
<H2>7. Compilation Warnings</H2>
There may be a few compilation warnings on some platforms.
We do not believe that any of these lead to incorrect run-time behaviour.
<P> </P>
<A NAME="8."></A>
<HR>
<!-- ============================================== -->
<H2>8. Geant4 Software License</H2>
A Software License applies to the Geant4 code.
Users must accept this license in order to use it.<BR>
The details and the list of copyright holders is available at
<A href="http://cern.ch/geant4/license">http://cern.ch/geant4/license</A>
and also in the text file <TT>LICENSE</TT> distributed with the source code.
<P> </P>
<A NAME="9."></A>
<HR>
<!-- ============================================== -->
<H2>9. Detailed list of changes and fixes</H2>
These are the main new features/fixes included in this release since the
last patched public release (for more detailed lists of fixes/additions,
please refer to the corresponding History files provided in most packages):
<P> </P>
<A NAME="conf-notes">
<H3><I>Configuration</I></H3></A>
<UL>
<LI><U>CMake</U>
<UL>
<LI>Added support for declaring headers of a source code module private.
Headers declared private are not installed; geant4_module_check reports
an inconsistency if a private header is used non-privately.</LI>
<LI>Updated Qt MOC application for G4UI implementation in place of
G4UIbasic/G4UIcommon.</LI>
<LI>Streamlined VTK cmake components.</LI>
<LI>No longer link to QtPrintSupport, which is not used in the
toolkit.</LI>
<LI>Prefix ZLIB/EXPAT variables with "G4" to prevent clash with VTK's
own internal find of these packages.</LI>
<LI>Export QT_VERSION value to GNUmake setup script.</LI>
<LI>Support finding and use of Qt6 on request for beta testing.
Fixed minimum supported version for Qt5; requiring Qt5 >= 5.9 if Qt5
support is selected.
Find and refind Qt6OpenGLWidgets module in Qt6 for use by Qt/OpenGL
consumers. Find and refind Qt6OpenGLWidgets module in Qt6 for use
by Qt/OpenGL consumers.</LI>
<LI>Handling TOOLSSG_[X11,XT,WINDOWS,QT]_ZB vis drivers.</LI>
<LI>Export VTK_DIR and QtX_DIR to package cache to assist in refinding
both.</LI>
<LI>Updated VTK module dependencies for geometry IO and updated module
init.</LI>
<LI>Added new capabilities to geant4_module_check.py script: given a
module, print list of modules that depend on it; print all modules
sorted in descending order of the number of modules using them;
show which headers from linked modules are included by a module in
its usage requirements output.</LI>
<LI>Updated configuration scripts for splitting of G4persistency
library.</LI>
<LI>Removed setting of -D flags in Geant4Config to enable visualisation
drivers. Libraries now export compile definitions for what they
support to move to a <I>use on link</I> model.</LI>
<LI>Removed obsolete and confusing GEANT4_BUILD_TESTS option and
configuration.</LI>
<LI>Make linking a source code module to a final Geant4 library a
cmake-time error.</LI>
<LI>Allow source code modules to have an AUTOMOC property and promote
this to consuming target to remove hardcoding of Qt-using
modules.</LI>
<LI>Use FindPython in place of deprecated FindPythonInterp in
FindStatTest.</LI>
<LI>Print md5sum in coreutils format for compatibility with busybox.</LI>
<LI>Bump minimum VecGeom version to 1.2.6.</LI>
<LI>New data sets <TT>G4EMLOW-8.5</TT>, <TT>G4ABLA-3.3</TT>, and
<TT>G4INCL-1.2</TT>.</LI>
<LI>Updated tag-IDs for 11.2.</LI>
</UL></LI>
<LI><U>GNUMake</U>
<UL>
<LI>Removed deprecated GNUmake scripts for libraries build.</LI>
<LI>Updated UI/interfaces include paths to reflect new organization.</LI>
<LI>Updated system scripts for Qt settings: removed Qt4 and added Qt6.</LI>
<LI>Updated scripts for splitting of the G4persistency library.</LI>
<LI>No longer link to QtPrintSupport, which is not used in the
toolkit.</LI>
</UL></LI>
</UL>
<A NAME="ana-notes">
<H3><I>Analysis</I></H3></A>
<UL>
<LI>Added new G4AnalysisManager functions for deleting selected
histograms, profiles and n-tuples, with related UI commands:
<TT>/analysis/[hn|pn]/delete id [keepSetting]</TT>.</LI>
<LI>Added <TT>GetNtuple()</TT> functions in G4GenericAnalysisManager,
that in difference from output specific managers, returns n-tuple
booking, that is common to all output types.</LI>
<LI>Added UI commands for creating n-tuple:
<TT>/analysis/ntuple/create name title</TT>,
<TT>/analysis/ntuple/create[I|F|D|S]Column name</TT> and
<TT>/analysis/ntuple/finish</TT>.</LI>
<LI>Added clearing of file data in <TT>DeleteEmptyFiles()</TT>. This
prevents from deleting non-empty files created/filled in previous
runs but not used in new runs.</LI>
<LI><U>Internal changes</U>:
<UL>
<LI>Moved 'CompressionLevel' data/functions members from
G4AnalysisManagerState to G4BaseFileManager to make it available
in helper classes which do not have access to state. Compression
level (default 1) is now used also when writing a Root histogram
in an extra file and writing Hdf5 n-tuples.</LI>
<LI>Postpone creating G4HnMessenger after G4THnMessenger to get better
command ordering in the 'help' tree.</LI>
<LI>Moved <TT>setAxisLog</TT> command from G4THnMessenger to G4HnMessenger
as it applies to function defined in its associated class.</LI>
<LI>Moved <TT>kMaxDim</TT> constant from G4THnMessenger in
G4AnalysisUtilities as needed also at other places.</LI>
<LI>Moved <TT>kDimN</TT> constants from G4VAnalysisManger in
G4AnalysisUtilities and replaced all hard-wired literals '1', '2'
and '3' with these.</LI>
<LI>Moved <TT>Set/GetDefaultFileType()</TT> methods and UI command in
G4VAnalysisManager and G4AnalysisMessenger (from
G4GenericAnalysisManager/Messenger). This allows to support omitting
file extension also when setting file names to
histograms/profiles.</LI>
<LI>Removed G4GenericAnalysisMessenger.</LI>
<LI>Supressed warning from 'CreateTFile' when file is already
existing.</LI>
<LI>Changed verbosity level for "merge" information from 1 to 2.</LI>
<LI>Added warnings about failure in <TT>*HnFileManager::WriteExtra</TT>
where missing.</LI>
<LI>Use forward declarations for templated classes where suitable.</LI>
<LI>Use "G4" prefixed version of EXPAT/ZLIB CMake variables.</TT>
</UL></LI>
<LI><U>Fixes</U>:
<UL>
<LI>Do not create <TT>setAxis*</TT> commands for <TT>idim = 4</TT>.</LI>
<LI>Fixed implementation of set commands per dimension:
<TT>/analysis/hn|pn/setX|Y|Z</TT>. Addressing issue
reported in Geant4 forum.</LI>
</UL></LI>
</UL>
<A NAME="digits-notes">
<H3><I>Digitization &amp; Hits</I></H3></A>
<UL>
<LI>Applied clang-tidy corrections and general code modernization.</LI>
<LI>Moved docstrings prior to function declarations for doxygen/IDE
compatibility.</LI>
</UL>
<A NAME="emstd-notes">
<H3><I>Electromagnetic Processes</I></H3></A>
<UL>
<LI><B>DNA</B>:
<UL>
<LI>Reorganised multiple material model of PTB. G4VDNAModel plays like a
data layer for multiple material models. The concrete models are
independent of G4DNAModelInterface.</LI>
<LI>G4DNARuddIonisationExtendedModel: rewrite of the model, applicable for
scaled energy interval from 100 eV to 100 MeV. If for an ion data is
not available, proton cross-section and effective charge are used,
sampling of delta-electron is done using the two regions regression
method. Sharing data between threads.</LI>
<LI>Improved equilibrium processes, introduced G4ChemEquilibrium.</LI>
<LI>Corrected scavenger counter for oxygen.</LI>
<LI>Introduced G4DNAMaterialManager to handle available DNA materials
and keep DNA cross-section data shared across threads.</LI>
<LI>Replaced string to material index and some code cleanup in PTB
models.</LI>
<LI>Added material pointer members for each concrete PTB models.</LI>
<LI>Code cleanup in G4DNAModelInterface for the model combination of
different materials.</LI>
<LI>Added PTB model data to G4DNAMaterialManager singleton.
Updated RegisterModel() function with new structure.</LI>
<LI>Added DNA cross-section to dna_option6.</LI>
<LI>Use analytical method for DNA material in option6, water is unchanged.
Minor correction for DNA material in option6.</LI>
<LI>Added time structure (pulsed beam) to water radiolysis
(G4VUserPulseInfo).</LI>
<LI>Corrected initial values of G4DNAEventScheduler.</LI>
<LI>Corrected 'fastercode' section for dna opt6.</LI>
<LI>Use analytical method for DNA material in option6, water is unchanged.
Minor correction for DNA material in option6.</LI>
<LI>Modified DNA cross-section file name, according to new data set.</LI>
<LI>In navigation classes, removed references to G4TouchableHistoryHandle,
which is now deprecated. Removed references to unused G4GRSSolid and
G4GRSVolume.</LI>
<LI>Applied core clang-tidy fixes, constructor/destructor modernization,
readability and logic for conditionals/Booleans.</LI>
<LI>Fixed Coverity defects for uninitialised scalar variables.</LI>
<LI>Fixed compilation warnings on macOS/XCode for implicit type
conversions.</LI>
<LI>Use G4FindDataDir to access data libraries in place of raw
<TT>getenv()</TT>.</LI>
</UL></LI>
<LI><B>High Energy</B>
<UL>
<LI>G4GammaConversionToMuons, G4AnnihiToMuPair: removed
<TT>using namespace std</TT> and applied cling-tidy base fixes.</LI>
</UL></LI>
<LI><B>Low Energy</B>
<UL>
<LI>In G4LivermorePhotoElectricModel and G4LivermoreRayleighModel removed
calls to environment variables and use G4EmParameters method instead.
Added lock for reading data on the fly; minor code formatting.</LI>
<LI>G4LivermoreGammaConversionModel, G4LivermoreGammaConversion5DModel:
fixed Spline interpolation by calling FillSecondDerivatives().</LI>
<LI>G4LivermorePhotoElectricModel: updated initialisation of static tables
and setting of shell cross-sections. Use logarithmic search of bin for
free vectors, updated use of G4ElementData.
ore accurate check on atomic number Z to fix Coverity reports.</LI>
<LI>In G4LivermoreBremsstrahlungModel, do not setup LPM flag.</LI>
<LI>G4LowEWentzelVIModel: updated according to Coulomb scattering
models.</LI>
<LI>Use access to G4LEDATA via G4EmParameters for G4LivermoreComptonModel,
G4LivermoreGammaConversion5DModel and
G4LivermoreGammaConversionModel.</LI>
<LI>New class G4MicroElecCapture for better estimation of the non ionizing
energy deposition.</LI>
<LI>Simplification of weakly bound electrons treatment in
G4MicroElecInelasticModel_new, handled now similarly to core electrons
with limitEnergy equivalent to binding energy.
Updated <TT>SampleSecondaries()</TT>, and
<TT>RandomizeEjectedElectronEnergyFromCumulatedDcs()</TT>.
Changed implementation of <TT>Interpolate()</TT> method to avoid
division by zero identified by Coverity.
Fixed potential problem at destruction.</LI>
<LI>G4MicroElecMaterialStructure: modification in <TT>GetLimitEnergy()</TT>
function to account for the changes in the treatment of weakly bound
electrons.</LI>
<LI>G4MicroElecSurface: removed repeated checks in <TT>Initilise()</TT>
method, addressing Coverity report.</LI>
<LI>G4MicroElecCapture, G4MicroElecSurface: fixed compilation warnings for
implicit type conversions on XCode. Minor code cleanup (removed tabs,
formatting, use of nullptr...).</TT>
<LI>Fixed trivial reported Coverity defects in G4MicroElecLOPhononModel
and G4MicroElecSurface.</LI>
<LI>Minor code cleanup in G4MicroElecLOPhononModel.</LI>
<LI>Use G4FindDataDir to access data libraries in place of raw
<TT>getenv()</TT>.</LI>
<LI>Applied clang-tidy and clang-format to Livermore code.</LI>
</UL></LI>
<LI><B>Muons</B>
<UL>
<LI>G4MuonToMuonPairProductionModel: updated usage of G4ElementData.</LI>
<LI>G4MuPairProductionModel, G4MuonToMuonPairProductionModel: updated
usage of G4ElementData; do not use <TT>IsMaster()</TT> to fill
sampling table; use only 5 2-D tables for sampling; code clean-up.</LI>
<LI>G4MuBremsstrahlungModel: moved filling of static data to constructor.</LI>
<LI>G4TablesForExtrapolator: define particle type when constructing muon
models. Do not delete intermediate G4VEmModels
created for initialisation.</LI>
</UL></LI>
<LI><B>Pii</B>
<UL>
<LI>Fixed few reported Coverity defects.</LI>
</UL></LI>
<LI><B>Standard</B>
<UL>
<LI>G4UrbanMscModel: check IsLocked() method before definition of lateral
displacement algorithm and positron correction; code optimisations and
formatting. Reduced number of re-computations of safety.
Tuned step limit parameterisation for the case of enabled optional
algorithm of lateral displacement. Default tracking unaffected.
Rewritten optional method <TT>SampleDisplacementNew()</TT>; this
method is not used so far in any EM physics configurations by default
but may be enabled via UI command and/or C++ interface.</LI>
<LI>G4ASTARStopping, G4PSTARStopping, G4IonICRU73Data: use logarithmic
search of bin for free vectors.</LI>
<LI>G4CoulombScattering: added SetCombined() method allowing the user to
configure the process; improved code formatting and initialisation.
Added constructor with changed signature, which uses flag
<TT>isCombined</TT> instead of process name.
Added extra constructor to address all existing cases;
for pure single scattering, integral method type is changed and Spline
interpolation is used. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2530">#2530</A>.</LI>
<LI>In G4VEmModel, do not delete G4ElementData; do not define LPM
flag.</LI>
<LI>Code cleanup in G4PAI* classes.</LI>
<LI>Removed use of std::getenv() from model classes, use G4EmParameters
instead.</LI>
<LI>G4eCoulombScatterinModel: improved initialisation and code
formatting.</LI>
<LI>G4BraggIonModel inherits from G4Bragg model; fixed stopping power
of heavy ions at moderate energies.</LI>
<LI>G4BraggModel, G4BraggIonModel: use proton stopping data for for all
ions except alpha; make data-sets pointers static.
Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2532">#2532</A>.</LI>
<LI>In G4BetheBlochModel, G4BraggIonModel and G4BraggModel, updating
effective charge of an ion at each step of simulation or at each call
to G4EmCalculator.</LI>
<LI>G4LindhardSorensenIonModel: use G4BraggModel for preliminary
computation of DEDX at initialisation for G4GenericIon instead of
G4BraggIonModel, which fixes a problem of low-energy ion tracking
recently introduced.</LI>
<LI>G4BetheHeitlerModel, G4PairProductionRelModel,
G4eBremsstrahlungRelModel, G4SeltzerBergerModel: reorganized
initialisation. Initialisation of static element data is performed
only once for the first object independently on how many objects of
this kind is created in a thread.
Fixes to <TT>Initialise()</TT> method, to have thread safe check if
a model is the first instance of the class; set lock and perform
initilisation of all static data.
Results of simulation are identical. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2543">#2543</A>.</LI>
<LI>G4eBremsstrahlung, G4SeltzerBergerModel: avoid changing LPM flag at
initialisation; avoid repeating base class initialisation; improved
comments in code.</LI>
<LI>G4SeltzerBergerModel: use inheritance from G4VEmModel instead of
G4eBremsstrahlungRelModel; use 'applyOnce' approach to initialise
static data; code formatting.</LI>
<LI>G4eBremsstrahlungRelModel: use LPM flag from G4EmParameters and
improved comments in code. Use 'applyOnce' approach to initialise
static data. Fix for potential division by zero; use G4Pow.</LI>
<LI>G4WaterStopping, G4hIonisation: code clean-up.</LI>
<LI>G4ionIonisation: do not use G4WaterStopping; code clean-up.</LI>
<LI>Updated hadron/ion ionisation models; initialise stopping power data
once: PSTAR and ICRU90 in G4BraggModel, ASTAR in G4BraggIonModel,
ICRU73 and ICRU90 ion (Z>2) data in G4LindHardSorensenIonModel.</LI>
<LI>Use "G4" prefixed version of EXPAT/ZLIB CMake variables.</LI>
<LI>Requires data-set <TT>G4EMLOW-8.5</TT>.</LI>
</UL></LI>
<LI><B>Utils</B>
<UL>
<LI>G4EmParameters: added extra member and access method to
<TT>G4LEDATA</TT> path allowing checking of the environment variable
for the EM data only once. Added Get/Set method for a new integer
number used for logarithmic bin search in free vector.</LI>
<LI>G4EmParametersMessanger: added UI command
<TT>/process/em/nForFreeVector</TT>.
Also fixed UI command </TT>/process/eloss/setFluctModel</TT>, by
changing "eloss" to "eLoss".</LI>
<LI>G4VEnergyLossProcess: make more straightforward computation of ion
effective charge.</LI>
<LI>G4LossTableBuilder, G4VEnergyLossProcess: improved debug printout.</LI>
<LI>G4LossTableBuilder: define logarithmic search method for inverse range
table.</LI>
<LI>G4VEmModel: trigger computation of ion effective charge for
G4EmCalculator. Use LPM flag from G4EmParameters. Added warning
about use of obsolete method <TT>SetLPMFlag()</TT>.
Use <TT>std::size_t</TT> in all places. Fixed memory leak at exit.</LI>
<LI>G4ionEffectiveCharge: minor optimisation.</LI>
<LI>G4VEnergyLossProcess, G4VEmProcess, G4VMultipleScattering: use flag of
master thread from G4LossTableManager.</LI>
<LI>G4VEnergyLossProcess: added extra protection excluding negative range;
renamed class member; changed condition to stop low-energy ion, use
kinetic energy and not scaled energy.
Added extra protection for the case of negative range of low-energy
particles. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2542">#2542</A>.</LI>
<LI>G4LossTableManager: reserve memory for internal vectors; simplified
destructor; move a part of initialisation of class members to
header. Apply modified interface to G4LossTableBuilder.</LI>
<LI>G4EmCorrections: use <TT>const</TT> to variables where possible;
reduced number of <TT>if</TT> statements, replaced <TT>isMaster</TT>
flag with new flag <TT>isInitializer</TT>; use CLHEP prefix.
Code formatting; removed lock of threads, use flag from
G4LossTableManager instead.</LI>
<LI>G4EmSaturation: fixed possible incorrect calculatioon of effective
charge of a material. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2572">#2572</A>.</LI>
<LI>Added SingleScattering option to G4TransportationWithMsc.</LI>
<LI>Improved printout in G4EmCalculator.</LI>
<LI>G4OpticalParameters: set default verbosity to 1.
Removed unused scintillation declarations.</LI>
</UL></LI>
<LI><B>Xrays</B>
<UL>
<LI>First implementation of new process G4XrayReflection, using data
from <TT>G4EMLOW-8.5</TT>.</LI>
<LI>G4Scintillation: verbosity of 0 silences run-time warnings.
Allow different decay time constants for different particles, with
particle-dependent scintillation. Improved an error message.</LI>
<LI>G4GaussXTRadiator: fixed issue by renaming virtual function to prevent
clash between base and inherited classes.</LI>
<LI>G4XrayReflectivity: fixed reported Coverity defect.</LI>
</UL></LI>
</UL>
<A NAME="event-notes">
<H3><I>Event</I></H3></A>
<UL>
<LI>Introducing G4SubEvent and related classes.</LI>
<LI>Addressing to the new track status <TT>fSuspendAndWait</TT>.</LI>
<LI>In G4GeneralParticleSource, fixed <TT>ListSource</TT> command which was
failing to list the correct energy of the sources since they need to be
accessed as a monoenergetic source distribution, rather than the particle
energy.</LI>
<LI>Applied core clang-tidy fixes.</LI>
</UL>
<A NAME="externals-notes">
<H3><I>Externals</I></H3></A>
<UL>
<LI><U>CLHEP</U>:
<UL>
<LI>Updated to CLHEP version 2.4.7.1.</LI>
<LI>Optimised MixMax engine performance and class structure.
Fixes to resolve reproducibility issues. Removed obsolete and
unused coefficient files.</LI>
<LI>Fixed compilation warnings for implicit type conversions on
macOS/XCode 14.1 in Random and Evaluator code.</LI>
<LI>Fixed cases of C++20 deprecated arithmetics with unnamed enumerations
in Vector classes.</LI>
</UL></LI>
<LI><U>G4tools</U>:
<UL>
<LI>Updated to version 6.3.0</LI>
<LI>Added support for Qt6 in glarea.</LI>
<LI>Enabling Qt, Xt, X11, Windows viewers for the tools/zbuffer
rendering.</LI>
<LI>Fix in tools/wroot/file, in the constructor, for the streaming of
the root directory. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2570">#2570</A>.</LI>
</UL></LI>
<LI><U>ZLIB</U>:
<UL>
<LI>Updated to upstream zlib-1.2.13, retaining prior Geant4 patches.</LI>
</UL></LI>
</UL>
<A NAME="gen-notes">
<H3><I>General Processes</I></H3></A>
<UL>
<LI><B>Biasing</B>
<UL>
<LI>G4ImportanceProcess: added protection against potential null pointer
on world boundary in <TT>PostStepDoIt()</TT>. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=1991">#1991</A>.</LI>
<LI>Removed forward declarations to G4VTouchable.</LI>
</UL></LI>
<LI><B>Cuts</B>
<UL>
<LI>G4ProductionCutsTable: added method <TT>SetEnergyCutVector()</TT>
requested by ALICE; added method <TT>CreateCoupleTables()</TT>
separated from <TT>UpdateCoupleTable()</TT>, needed to prepare
class data.</LI>
</UL></LI>
<LI><B>Optical</B>
<UL>
<LI>G4OpBoundaryProcess: verbosity of 0 silences run-time warnings.</LI>
</UL></LI>
<LI><B>Parameterisation</B>
<UL>
<LI>In G4FastTrack, removed references to G4TouchableHistoryHandle,
which is now deprecated.</LI>
<LI>Define G4GlobalFastSimulationManager as a G4ThreadLocalSingleton
to avoid undeleted allocated object at exit.</LI>
<LI>Applied standard and extended clang-tidy fixes.</LI>
Applied standard clang-format-ing.</LI>
<LI>Mark empty/obsolete functions as deprecated.</LI>
<LI>Normal order accessors and docstrings.</LI>
</UL></LI>
<LI><B>Scoring</B>
<UL>
<LI>Make G4EnergySplitter a private implementation detail of the module.
Make dependency to 'intercoms' private.
Fixed Coverity reported defect in <TT>SplitEnergyInVolumes()</TT>.</LI>
<LI>Removed unnecessary forward declarations of G4VTouchable.</LI>
<LI>Applied core clang-tidy/format fixes.</LI>
</UL></LI>
<LI><B>Transportation</B>
<UL>
<LI>In G4TransportationParameters, added a method to set both warning and
important energies; added method to report lock errors.
Improved reporting of inconsistent changes of 'warning' & 'important'
energies (not only enforce <TT>warning_E < important_E</TT> but also
warn about violations).</LI>
</UL></LI>
</UL>
<A NAME="geo-notes">
<H3><I>Geometry</I></H3></A>
<UL>
<LI>Applied clang-tidy fixes (readability, modernization,
performance, ...).</LI>
<LI><B>Biasing</B>
<UL>
<LI>Use G4AutoLock in G4IStore and G4ImportanceAlgorithm instead of static
mutex data member.</LI>
</UL></LI>
<LI><B>Magnetic Field</B>
<UL>
<LI>Added new Quantum State Simulation (QSS) integration method, an
alternative method of integration which creates approximation functions
for each coordinate (x,p), changing the interpolation polynomials when
the deviation from exact solution is larger than a threshold value.
Offers built-in interpolation capability, enabling faster finding of
the intersection of the trajectory with surfaces.
Currently restricted to using only with a pure magnetic field.</LI>
</UL></LI>
<LI><B>Management</B>
<UL>
<LI>Removed inheritance level for G4TouchableHistory and making
G4VTouchable a simple typdef of G4TouchableHistory, therefore no
longer acting as base class.</LI>
<LI>Imported G4NavigationHistory, G4NavigationHistoryPool,
G4NavigationLevel and G4NavigationLevelRep classes and translation
units from <TT>volumes</TT> module.</LI>
<LI>Made G4TouchableHistoryHandle a typedef of G4TouchableHandle.</LI>
</UL></LI>
<LI><B>Navigation</B>
<UL>
<LI>Added new G4VNavigation common navigation interface class.
Updated existing navigators to make use of the new common
interface.</LI>
<LI>Added <TT>RelocateWithinVolume()</TT> method to G4VoxelNavigation
and to G4ParameterisedNavigation.</LI>
<LI>In G4Navigator, removed references to unused classes G4GRSSolid and
G4GRSVolume; use G4TouchableHandle in place of G4TouchableHistoryHandle
which is now deprecated. Same in G4MultiNavigator, G4DrawVoxels and
G4VIntersectionLocator.
Some code cleanup in G4Navigator and code formatting.</LI>
<LI>Added new G4SafetyCalculator class, auxiliary to G4Navigator; used in
G4Navigator in <TT>ComputeSafety()</TT> to avoid saving/restoring
state.</LI>
<LI>Removed use of forward declarations to G4VTouchable in phantom
parameterisation classes.</LI>
<LI>G4PropagatorInField: added parameters for big steps.
New parameter <TT>fMaxStepSizeMultiplier</TT>, needed to reduce costly
unnecessary integration in QSS; new parameter <TT>fMinBigDistance</TT>
used as minimum distance in case of long steps.
Updated default values:<BR>
<TT>fLargestAcceptableStep = 100*meter</TT> ( from
<TT>1000*meter</TT> );<BR>
<TT>fMaxStepSizeMultiplier = 0.1</TT> ( from <TT>100</TT> ).</LI>
<LI>Fixed <TT>/geometry/test/check_parallel</TT> UI command in
G4GeometryMessenger.</LI>
</UL></LI>
<LI><B>Solids (Boolean)</B>
<UL>
<LI>Added external Boolean processor visualisation interface
G4VBooleanProcessor.</LI>
<LI>Define distinct statistics value in G4BooleanSolid for area and
cubic volume.</LI>
<LI>In G4MultiUnion, fixed problem with downcast in external Boolean
processor, which could result in incorrect <TT>nullptr</TT>.</LI>
<LI>Reduced internal statistics for calculation of cubic volume in
G4UnionSolid and G4SubtractionSolid.</LI>
</UL></LI>
<LI><B>Solids (Specific)</B>
<UL>
<LI>Use <TT>const iterator</TT> in
<TT>G4Voxelizer::GetPointVoxel()</TT>.</LI>
<LI>Fixed use of index in <TT>G4Tet::GetPointOnSurface()</TT>.</LI>
<LI>Fixed bounding box calculation in
<TT>G4VTwistedFaceted::BoundingLimits()</TT>.</LI>
</UL></LI>
<LI><B>Volumes</B>
<UL>
<LI>Moved to <TT>management</TT> the following classes and translation
units: G4NavigationHistory, G4NavigationHistoryPool, G4NavigationLevel
and G4NavigationLevelRep.</LI>
<LI>Removed unused classes G4GRSSolid and G4GRSVolume.</LI>
</UL></LI>
</UL>
<A NAME="glob-notes">
<H3><I>Global</I></H3></A>
<UL>
<LI>Removed public interface to G4strstreambuf: G4strstreambuf becomes a
private implementation detail of G4ios.
Minimized coupling among G4cout/G4strstreambuf/G4coutDestination.</LI>
<LI>Added G4debug output stream for logging messages at lower priority than
G4cout. If used with the Qt GUI, G4debug output is highlighted.</LI>
<LI>G4PhysicsModelCatalog: added the new INCLXX model of antiproton
annihilation at rest.</LI>
<LI>G4PhysicsVector, G4PhysicsFreeVector, G4PhysicsLogVector and
G4PhysicsLinearVector: added extra method to support optional logarithmic
search for bin in free vector needed for particleHP module update.
Code formatting.</LI>
<LI>Fixed memory leak in <TT>G4StatAnalysis::GetCpuClock()</TT>: do not
allocate local variable on the heap.</LI>
<LI>Fixed memory leak in G4Type[Recursive]Mutex<T> and simplified code by
removing unused function parameter.</LI>
<LI>Added new <TT>IgnoreTheIssue</TT> enum entry in G4ExceptionSeverity.</LI>
<LI>Added G4VERSION_REFERENCE_TAG macro to distinguish release/development
versions and cycle of the latter.</LI>
<LI>Fixed compilation error on macOS Apple Silicon when enabling FPE_DEBUG.
No guarantee on the correctness of signal handling on this platform.
Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2571">#2571</A>.</LI>
<LI>Removed obsolete and no longer used G4SIunits header.</LI>
<LI>Updated date of release for 11.2.</LI>
</UL>
<A NAME="greps-notes">
<H3><I>Graphical Representations</I></H3></A>
<UL>
<LI>Supporting first implementation of a no-frills GUI-side scene tree.
Added G4SceneTreeItem class, an aggregate of data members that represent
properties of objects in the scene (G4Scene). Its data members are
low-level types, so that it can be used across categories, avoiding
coupling.</LI>
<LI>Added centre calculation to HepPolyhedron for use in visualization
systems.</LI>
<LI>G4VisAttributes: trap under-limit requested number of line segments per
circle for polyhedral representation of circular surfaces.
An under-limit request sets number to minimum (3).</LI>
</UL>
<A NAME="had-notes">
<H3><I>Hadronic Processes</I></H3></A>
<UL>
<LI><B>Cross Sections</B>
<UL>
<LI>Removed calls to environment variable <TT>G4PARTICLEXSDATA</TT>, use
G4HadronicParameters access method instead.</LI>
<LI>In G4CrossSectionDataStore, reduced number of calls to environment
variables, which are done only to print output for documentation.
Removed remaining calls to <TT>getenv()</TT> and use
G4HadronicParameters instead. Fixed printing problem in
<TT>DumpPhysicsTable()</TT>.</LI>
<LI>G4ParticleInelasticXS: make upper energy limit for light ions the
same as in FTFP_BERT.</LI>
<LI>G4ElNeutrinoNucleusTotXsc: uncommented methods for interface with
G4ElNeutrinoNucleusProcess.</LI>
<LI>G4GammaNuclearXS: general code clean-up; instantiate data only once
for all instances of this cross-section class; upload data for all
elements before the first run; simplified computation of isotope
cross-section; added extra public method
<TT>LowEnergyCrossSection()</TT>.
More accurate usage of cache; simplified
<TT>GetIsoCrosssection()</TT> and <TT>SelectIsotope()</TT>
methods.</LI>
<LI>G4NeutronCaptureXS, G4NeutronElasticXS, G4NeutronInelasticXS,
G4GammaNuclearXS, G4ParticleInelasticXS: use same approach to fill
static data: do not unlock initialisation inside
<TT>BuildPhycsTable()</TT> method until initialisation is done;
minor code formatting.</LI>
<LI>G4NeutronCaptureXS, G4NeutronInelasticXS, G4ParticleInelasticXS: use
<TT>GetComponentByID()</TT> instead of <TT>GetComponentByIndex()</TT>,
allowing to reduce memory for isotope data.</LI>
<LI>G4NeutronCaptureXS, G4NeutronInelasticXS, G4GammaNuclearXS and
G4ParticleInelasticXS: use <TT>std::once_flag</TT> and
<TT>std::call_once()</TT> to initialize static data.</LI>
<LI>G4ChargeExchangeXS: new cross-section class for charge exchange
process. Fill out the content of implementing the charge exchange
process. Providing setter method for the factor multiplying the
cross-section (NA64 request). Added parameterisation of cross-section
of eta_prime, omega(982), and f2(1270) mesons; added low energy limit,
below which cross-section is set to zero.</LI>
<LI>G4PhotoNuclearCrossSection: fixed potential memory leaks.</LI>
<LI>G4IsotopeList: extended arrays to be applicable both for
G4PARTICLEXSDATA and G4PARTICLEHPDATA.</LI>
<LI>Fixed compilation warnings for implicit type conversions on
macOS/XCode>=14.1.</LI>
</UL></LI>
<LI><B>Management</B>
<UL>
<LI>G4HadronicProcess: removed usage of "DebugFlag" and "RandomFile".
Replaced access to environment variables with call to
G4HadronicParameters. Reduced the number of warnings concerning
kaon0 and anti_kaon0 (transformed in kaon0S and kaon0L) to maximum
one warning per thread. Added extra G4Exception for the case where a
worker cannot share initialisation with the master thread.
Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2528">#2528</A>.
Improved diagnostics.
<LI>G4HadronicProcessStore: avoid checking of environment variables, call
G4HadronicParameters instead. Removed extra not needed empty lines
from information printout. Added printouts for neutrino processes.</LI>
<LI>G4HadronicProcess, G4HadronicProcessStore, G4HadXSHelper: fixed
memory leak at exit.</LI>
<LI>G4HadronicProcessType: added new types for neutrino interactions.</LI>
</UL></LI>
<LI><B>Processes</B>
<UL>
<LI>G4NeutronGeneralProcess: added two access methods, an extra set method
and removed possible variable shadowing.</LI>
<LI>G4HadronElasticProcess, G4NeutronGeneralProcess: fixed problems
identified by Coverity.</LI>
<LI>G4ElNeutrinoNucleusProcess, G4MuNeutrinoNucleusProcess,
G4TauNeutrinoNucleusProcess, G4NeutrinoElectronProcess: update
neutrino cross-section biasing in selected detector-region.</LI>
<LI>G4ElNeutrinoNucleusProcess: updated process name to be
<TT>el-neutrino-nucleus</TT>.</LI>
<LI>New process G4NuVacOscProcess for 3-flavour neutrino oscillation in
vacuum.</LI>
<LI>G4NuVacOscProcess, G4ElNeutrinoNucleusProcess,
G4MuNeutrinoNucleusProcess, G4TauNeutrinoNucleusProcess,
G4NeutrinoElectronProcess: use sub-types of neutrino interactions;
avoid destruction of internal cross-section;
removed unused class members and methods.</LI>
<LI>G4TauNeutrinoNucleusProcess: cleanup of constructor and destructor to
fix Coverity warning.</LI>
</UL></LI>
<LI><B>Stopping</B>
<UL>
<LI>G4HadronicAbsorptionINCLXX: new class to handle annihilation at rest by
INCLXX; for the time being, only for antiproton.
Reduced maximum energy from <TT>10 GeV</TT> to <TT>200 MeV</TT>.</LI>
</UL></LI>
<LI><B>Utilities</B>
<UL>
<LI>G4HadronicParameters: introduced the neutron kinetic energy threshold
for applying the SVT (Sampling of the Velocity of the Target)
algorithm. This is needed to have a consistent value in methods
<TT>GetBiasedThermalNucleus()</TT> in G4Nucleus and
G4ParticleHPElasticFS respectively, to avoid circular dependency
with <TT>particle_hp</TT> module.
Removed two obsolete environment variables and access methods; added
flag for charge exchange.
Added class members defined via environment variable and access methods
for these members, this allows to remove the majority of calls to
<TT>std::getenv()</TT>.
Added two strings and extra methods to access environment variables
used in G4HadronicProcessStore. These variables are not used in
ordinary runs but are checked in each thread and for each particle.
With this update these variables will be checked only once.
Added G4Exception for the case, when environment variable
<TT>G4PARTICLEXSDATA</TT> is not defined.
Added extra Boolean method for accessing debug flag for Binary Cascade,
which may be defined via environment variable
<TT>G4BINARY_CASCADE_DEBUG</TT>.
Introduced methods to get and set the time threshold of radioactive
decays (i.e. radioactive decays that happen later than this value are
ignored), offering a C++ interface to set this parameter.
Added getters and setters of recommended energy limits in physics lists
for the intranuclear cascade model INCLXX, for <TT>pbar</TT>
interactions.</LI>
<LI>G4Nucleus: in the method <TT>GetBiasedThermalNucleus()</TT>, get the
neutron kinetic energy threshold for applying the SVT algorithm from
G4HadronicParameter in method <TT>DoKinematicsOfThermalNucleus()</TT>,
and corrected the way to pass the last parameter, by reference instead
of by value.
Split the method <TT>GetBiasedThermalNucleus()</TT> into two parts, by
introducing a new public method,
<TT>DoKinematicsOfThermalNucleus()</TT>,
which is used also by G4ParticleHPElasticFS to implement the DBRC
algorithm.</LI>
</UL></LI>
<LI><B>Abla</B>
<UL>
<LI>G4AblaInterface: implemented method ApplyYourself() to allow the
coupling between Binary Cascade (BIC) and ABLA, i.e. using BIC for the
cascade and then ABLA for the nuclear de-excitation.</LI>
</UL></LI>
<LI><B>Bertini Cascade</B>
<UL>
<LI>Extended Bertini model to allow the use of ABLA as alternative
post-cascade nuclear de-excitation (the default de-excitation remains
unchanged).
There are two ways to set ABLA as de-excitation for Bertini: via C++
interface, by calling <TT>G4CascadeInterface::useAblaDeexcitation()</TT>,
and via environmental variable, by setting
<TT>G4CASCADE_USE_ABLA=1</TT>.</LI>
<LI>G4AblaDeexcitation: new class that does the nuclear de-excitation,
after the Bertini cascade, by using the ABLA model, and then tranforms
the secondaries in Bertini objects.</LI>
<LI>G4CascadeInterface: added new method <TT>useAblaDeexcitation()</TT>
which sets ABLA as nuclear de-excitation; this method can be called
directly by the user, or automatically in the constructor of the class
when the flag <TT>G4CascadeParameters::useAbla()</TT> is enabled.</LI>
<LI>G4InuclCollider: added new method <TT>useAblaDeexcitation()</TT> which
creates an instance of the new class G4AblaDeexcitation.</LI>
<LI>G4CascadeParameters: added Boolean flag that enables the ABLA
de-dexcitation model in the case that the new environmental variable
<TT>G4CASCADE_USE_ABLA</TT> is set.</LI>
<LI>G4CascadeParamMessenger: fixed memory leak at exit and simplified
the code.</LI>
<LI>Fixed Coverity defect for incorrect integer divide in fission part of
<TT>G4EquilibriumEvaporator::deExcite()</TT>.</LI>
</UL></LI>
<LI><B>Binary Cascade</B>
<UL>
<LI>G4BinaryCascade, G4BinaryLightIonReaction: avoid calls to
<TT>getenv()</TT>, use G4HadronicParameters instead.</LI>
</UL></LI>
<LI><B>De-excitation</B>
<UL>
<LI>G4LevelReader: allow to add more levels of a given isotope than the
hardcoded limit=635 (max number of levels in <TT>G4LEVELGAMMADATA</TT>).
Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2534">#2534</A>.
Introduced partial fix for problem reports
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2566">#2566</A>
and <A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=1986">#1986</A>
for the case when data on internal conversion (IC) are not available; if
IC is disabled, it is assumed that all IC transitions are performed from
the K-shell, which means that independently on IC flag the probability
of gamma transition is unchanged. For G4PhotonEvaporation, still use
only gamma transitions for the case of nuclear level without information
(as in version 11.2-beta).</LI>
<LI>G4LevelManager: added extra public accessor method allowing users to
check level energies and other parameters. Set life time of stable
levels to DBL_MAX instead of -1; left undefined spin 99 and do not
set it to zero.</LI>
<LI>G4DeexPrecoParameters: moved part of initialisation to header; do not
use autolock, use internal flag instead to allow only one dump of
paramenters; print all pre-compound parameters, separate pre-compound
and de-excitation printouts.</LI>
<LI>G4NuclearLevelData: fixed uploading of data before the run.</LI>
<LI>G4LevelManager, G4PhotonEvaporation: improved method names.</LI>
<LI>G4ExcitationHandler: instantiate FermiBreakUp, MultiFragmentation,
and PhotonEvaporation in constructor. Code formatting.</LI>
<LI>Reviewed and updated the fermi_breakup model, to address problem
report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2263">#2263</A>.
Removed few obsolete classes. Added G4FermiBreakUpUtil class.</LI>
<LI>G4FermiChannels: fixed memory leak at exit.</LI>
<LI>G4VEvaporation, G4Evaporation, G4VEvaporationFactory,
G4EvaporationFactory, G4EvaporationGEMFactory,
G4EvaporationGEMFactoryVI and G4EvaporationDefaultGEMFactory: more
accurate instantiation/destruction of components. Code formatting.</LI>
<LI>G4KalbachCrossSection: dynamic choice of peak position on inverse
cross-section as a function of A.</LI>
<LI>Technical improvements to G4GEMProbability evaporation class.</LI>
<LI>Fixed compilation warning for implicit type conversion on macOS/XCode
14.1 in <TT>G4FermiFragmentsPoolVI::DumpFragment()</TT>.</LI>
<LI>Clean-up evaporation and utils modules.</LI>
<LI>Removed unused files.</LI>
</UL></LI>
<LI><B>Elastic scattering</B>
<UL>
<LI>In G4ChargeExchange, updated input parameters for the method
<TT>SampleSecondaryType()</TT>. Fixed parameter for <TT>SampleT()</TT>
method. Fixed reported Coverity defect on dead code.
Address interface change in G4ChargeExchangeXS.</LI>
</UL></LI>
<LI><B>INCLXX</B>
<UL>
<LI>Major extension of the INCLXX model to handle antiproton annihilation
at rest and in-flight. Requires new dataset G4INCL-1.2.</LI>
<LI>Few corrections in G4INCLXXInterface.</LI>
<LI>Deleted obsolete class G4INCLNNbarToNNbarChannel.</LI>
<LI>Fixed memory leak in G4INCLInteractionAvatar.</LI>
<LI>Use G4FindDataDir to access data libraries in place of raw
<TT>getenv()</TT>.</LI>
</UL></LI>
<LI><B>Lend</B>
<UL>
<LI>Fixed Coverity defect;
<TT>G4LENDGammaCrossSection::SelectChannel()</TT> may return negative
array index, same in G4LENDGammaCombinedCrossSection;
initialize <TT>iChannel</TT> to a positive number.</LI>
<LI>Use "G4" prefixed version of EXPAT/ZLIB CMake variables.</LI>
</UL></LI>
<LI><B>Lepto-nuclear</B>
<UL>
<LI>G4ElectroVDNuclearModel: updated initialisation of data tables.</LI>
</UL></LI>
<LI><B>Particle High Precision</B>
<UL>
<LI>Accurate modeling of elastic resonant scattering in heavy nuclei by
the use of the Doppler Broadening Rejection Correction (DBRC) algorithm.
In G4ParticleHPManager, added new member variables and corresponding
methods, related to the DBRC algorithm.
In G4ParticleHPMessenger, added new UI commands to enable DBRC (which
is off by default) and to specify its parameters.
In G4ParticleHPVector, added new method <TT>GetMaxY()</TT> to provide
the maximum cross-section in the interval between two kinetic energy
values.
In G4ParticleHPChannel, modified method <TT>ApplyYourself()</TT>,
with an extra argument, for a special treatment of the elastic channel.
In G4ParticleHPElastic, modified
<TT>G4ParticleHPChannel::ApplyYourself()</TT> call, with an extra
parameter.
In G4ParticleHPElasticFS, implemented the DBRC algorithm in the new
method <TT>GetBiasedThermalNucleus()</TT>; modified the method
<TT>ApplyYourself()</TT> to call the new method
</TT>GetBiasedThermalNucleus()</TT>; introduced two more
new methods, <TT>InitializeScatterKernelParameters()</TT> and
<TT>RegisterCrossSection()</TT>, and corresponding new member
variables.</LI>
<LI>Added new cross-section classes G4NeutronHPCaptureXS,
G4NeutronHPElasticXS, G4NeutronHPInelasticXS, G4NeutronHPFissionXS,
G4ParticleHPInelasticXS and G4CrossSectionHP.</LI>
<LI>G4ParticleHPMessenger: when changing the neutron kinetic energy
threshold for applying the SVT (Sampling of the Velocity of the Target)
algorithm, as part of the setting of the DBRC algorithm, update the
corresponding value in G4HadronicParameters.</LI>
<LI>G4ParticleHPManager: removed the neutron kinetic energy threshold for
applying the SVT algorithm, as this parameter is in G4HadronicParameters.
Check all environment variables once; provided new methods to access
path to data. Use G4ParticleHPManager for directory names and various flags.
Added data member and Get/Set methods for maximum energy above which
no Doppler broading is applied.
Set default upper limit on Doppler broadening to <TT>30 keV</TT>.
Code clean-up.</LI>
<LI>G4ParticleHPElasticFS: get the neutron kinetic energy threshold for
applying the SVT algorithm from G4HadronicParameters; in the method
<TT>GetBiasedThermalNucleus()</TT>, corrected mistake in the interval
where the max neutron cross-section is considered for rejection.</LI>
<LI>G4ParticleHPInelastic: improved info printout.</LI>
<LI>G4ParticleHPInelasticXS: set upper limit of cross-section to
<TT>30 MeV</TT> instead of <TT>20 MeV</TT>. Fixed constructor.</LI>
<LI>G4ParticleHPDeExGammas: removed internal counter; delete only objects
which are created.</LI>
<LI>Removed G4ParticleHPGamma and G4ParticleHPLevel classes.</LI>
<LI>G4ParticleHPEnergyDistribution, G4ParticleHPContAngularPar,
G4ParticleHPEnAngCorrelation: fixed Coverity warnings.</LI>
<LI>G4ParticleHPContAngularPar, G4ParticleHPContEnergyAngular,
G4ParticleHPEnAngCorrelation, G4ParticleHPNames, G4ParticleHPProduct:
use new interfaces to G4ParticleHPManager, moved constructors,
destructors, and some other methods to source; removed unused
commented lines.</LI>
<LI>G4ParticleHPEnAngCorrelation: minor code cleanup.</LI>
<LI>Renamed classes for capture from G4ParticleHP to G4NeutronHP,
as capture process exists only for neutrons; removed old commented
lines in modified files.</LI>
<LI>Removed unused G4NeutronHP*.hh headers for elastic and inelastic.</LI>
<LI>G4NeutronHPInelasticVI, G4NeutronHPElasticVI: new, alternative model
classes.</LI>
<LI>G4NeutronHPCaptureXS, G4NeutronHPElasticXS, G4NeutronHPInelasticXS,
G4NeutronHPFissionXS, G4CrossSectionHP, G4NeutronFissionVI,
G4NeutronRadCaptureHP: updated models and cross-sections which are
included only in the physics list QGSP_BERT_HP.</LI>
<LI>G4NeutronHPCaptureXS, G4NeutronHPElasticXS, G4NeutronHPInelasticXS,
G4NeutronHPFissionXS: improved comments to the code and description
text.</LI>
<LI>Applied clang-format and clang-tidy fixes.</LI>
<LI>In CMake script, use alphabetical order both for headers and for source
files. Use "G4" prefixed version of EXPAT/ZLIB CMake variables.</LI>
</UL></LI>
<LI><B>Parton-String</B>
<UL>
<LI>G4FTFTunings: introduced a new FTF tune meant to overcome the problem
of too optimistic (i.e. narrow) pion shower energy resolutions in ATLAS
calorimeters with respect to test-beam data.</LI>
<LI>G4BaryonSplitter, G4MesonSplitter, G4QGSMSplittableHadron, G4SPBaryon:
some code cleanup.</LI>
</UL></LI>
<LI><B>Pre-equilibrium</B>
<UL>
<LI>Use the default Coulomb barrier computation.
Code cleanup: code formatting; removed unused data and methods.</LI>
</UL></LI>
<LI><B>QMD</B>
<UL>
<LI>Added classes for QMD model opimised for light ions.</LI>
<LI>G4QMDReaction: do not create local G4Evaporation class, only define
type of evaporation for local G4ExcitationHandler.</LI>
<LI>Fixed Coverity defect for uninitialized variable.</LI>
<LI>Code cleanup in G4QMDMeanField in attempt to fix false positive on
gcc-13.1 diagnostics on alma9. Removed unused map.</LI>
</UL></LI>
<LI><B>Radioactive Decay</B>
<UL>
<LI>Fix in stairstep beta decay spectrum. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2567">#2367</A>.
Created new class G4BetaSpectrumSampler to sample a sloped distribution
instead of a flat one. Changed G4BetaMinusDecay and G4BetaPlusDecay to
use the above sampler. Added protection against very large arguments
in <TT>std::exp()</TT> within
<TT>G4BetaDecayCorrections::ModSquared90</TT>.</LI>
<LI>G4RadioactiveDecay: changed default threshold for the time beyond
which radioactive decays are ignored, from twice the age of the
Universe to one year.
Use only one table of radioactive decay channels;
removed unnecessary MULTITHREADED blocks protections; removed lock from
class constructor; added use only lock in the method
<TT>LoadDecayTable()</TT> after the check if the table is already
downloaded; added explicit unlock in this method; removed counter
of instances of the class.
Made all virtual methods override and moved implementations to source.
<TT>DecayIt()</TT> method is declared virtual; removed unused methods;
use reference instead of by-values in method signatures for complex
objects; added G4ITDecay object local for each thread to perform
sampling of radioactive decays with a possibility to sample
correlated gamma emission. Fixed initialisation printout: corrected
place for triton printout.</LI>
<LI>G4RadioactiveDecay, G4Radioactivation: added an extra parameter in the
constructor, to be able to set the threshold for the time beyond which
radioactive decays are ignored. This is meant for custom physics lists.
Moreover, the constructor of these classes has been modified to offer
also a C++ interface, via the singleton G4HadronicParameters, to set
the same time threshold for radioactive decays. This is meant for
reference physics lists. Note that, in the unlikely and weird scenario
that two time thresholds are specified - one via G4HadronicParameters,
and one via the constructor parameter - the larger of the two is
considered, to be conservative. In all cases, an eventual time
threshold specified via UI command prevails on anything else.</LI>
<LI>G4Radioactivation: marked all virtual methods as <TT>override</TT>
and moved implementations to source; marked <TT>DecayIt()</TT> as
<TT>override</TT>; removed methods <TT>GetDecayTable1()</TT>,
<TT>AtRestDoIt()</TT> and <TT>PostStepDoIt()</TT>, use instead base
class methods.</LI>
<LI>G4BetaMinusDecay, G4BetaPlusDecay, G4BetaSpectrumSampler: implemented
thread safe sampling method.</LI>
<LI>G4NuclearDecay: implemented virtual method
<TT>IsOKWithParentMass()</TT> which always return <TT>true</TT>;
made access methods <TT>const</TT> where possible.</LI>
<LI>G4ITDecay: added method <TT>SetupDecay()</TT>, which allows this class
to be used inside local thread.</LI>
<LI>Fixed Coverity defect for uninitialized data in G4BetaSpectrumSampler,
G4RadioactiveDecay and G4BetaSpectrumSampler.</LI>
</UL></LI>
</UL>
<A NAME="interc-notes">
<H3><I>Intercoms</I></H3></A>
<UL>
<LI>Replaced direct access to G4cout/etc stream buffers with call to
G4coutDestination installer function.</LI>
<LI>Implemented ReceiveG4debug() for G4UIsession et al.</LI>
<LI>Applied clang-tidy and clang-format fixes plus normal ordering of
docstrings/access specifications.</LI>
<LI>Removed unused/pointless operators. Use C++17 type aliases.</LI>
Refactored G4UIaliasList to simplify implementation and in particular
memory management.</LI>
<LI>Simplified G4UImessenger implementation.</LI>
Factor G4UIcommand/parameter range validation functions to reduce code
duplication.</LI>
<LI>Added function GetBaseSession() to G4UImanager, finding the base session
in a hierarchy of sessions.</LI>
<LI>Make range check setup consistent between parameters/commands.</LI>
<LI>Moved clear implementation detail classes to private headers.</LI>
</UL>
<A NAME="interf-notes">
<H3><I>Interfaces</I></H3></A>
<UL>
<LI>Implemented ReceiveG4debug for concrete sessions. For the Qt GUI
(G4UIQt) HTML code is added in order to highlight G4debug output.</LI>
<LI>First implementation of user-specified output styles:
<TT>/gui/outputStyle</TT>.
Output streams: cout cerr warn error debug (extendible, see
G4VInteractiveSession header). Only used by G4UIQt at present.</LI>
<LI>Support for first implementation of a no-frills GUI-side scene tree.</LI>
Refactored modules into G4UIcore and G4UIimplementation to isolate
core/always on functionality from concrete UIs requiring external
libraries. Both modules are still built into a G4interfaces library,
with no change to user interface for applications. </LI>
<LI>G4UIQt: fixed mutex bug in implementation of G4UIQt::ReceiveG4debug();
This <I>workaround</I> is to make sure all flushed output appears on the
terminal after a crash. Fixed QSplitter issue, necessary for Qt6 support.
Introduced new scene tree; added colour choice.
Introduced widget for 'mouseDoubleClickEvent'. Implemented callbacks
SceneTreeItemExpanded() and SceneTreeItemCollapsed().
Improved command; allow for leading space in path. Code tidying.
Reworked double-click to use QTreeWidget::itemDoubleClicked.
Implemented right-click pop-up menu for touchables in new scene tree.
Choose sub-set of commands suitable for the pop-up menu.
Fixed bug in <TT>SceneTreeItemClicked()</TT> when invoking
<TT>/vis/scene/activateModel</TT>: the description may have spaces;
use substring up to first space.
In <TT>BuildPVQTree()</TT>, reduce tooltip for a touchable to a simple
two-lines; in <TT>NewSceneTreeItemTreeWidget::ActWithoutParameter()</TT>,
added special case for right-click "dump": pop up message window that may
be suppressed and message the first 1000 characters but suggest a full
dump to session output if desired, or close.
In <TT>SceneTreeItemClicked()</TT>, make daughters invisible when volume
checked invisible, pop up a window of explanation; in
<TT>CreateCommandWidget()</TT>, fixed typo: "green" should be "blue".
Workaround changes in QEvent globalPos/globalPosition for Qt5 and 6.</LI>
<LI>In <TT>G4UIQt::SceneTreeItemClicked()</TT>, use physical volume name to
identify the physical volume model in the scene tree; this allows multiple
models in the scene and each to be separately identified.
Avoid setting <TT>daughtersInvisible</TT> flag if there are no daughters.
Use text to identify text models, allowing one to distinguish multiple
text models.</LI>
<LI>Removed header no longer used in Qt5, which is also not present in Qt6.
Removed support for <TT>Qt < 5.9</TT> in CMake script.</LI>
<LI>Export public compile definitions to indicate availablity of specific UIs.
Moves to <I>use on link</I> model.</LI>
<LI>Set AUTOMOC property on module when Qt used.</LI>
<LI>Applied clang-tidy and clang-format fixes, together with
public/protected/private ordering in headers.</LI>
</UL>
<A NAME="materials-notes">
<H3><I>Materials</I></H3></A>
<UL>
<LI>Added G4ElementDataRegistry, a new management class for shared data.
Modified G4ElementData to make use of G4ElementDataRegistry.</LI>
<LI>G4NistManager: simplified for loops; added MT protection to instance
access method.</LI>
<LI>G4NistMaterialBuilder: changed mean ionisation potential of carbon and
graphite from <TT>78 eV</TT> (ICRU73 recommendation) to <TT>81 eV</TT>
(ICRU90 recommendation); define state as <TT>kStateLiquid</TT> for
several liquids including G4WATER. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2568">#2568</A>.</LI>
<LI>G4ICRU90StoppingData: use <TT>const</TT> where possible;
use <TT>std::size_t</TT>; use arrays of energies as G4float.</LI>
<LI>G4Material: use <TT>std::size_t</TT> and added extra comments to setter
methods. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2568">#2569</A>.</LI>
<LI>In G4IonisParamMat, use <TT>std::size_t</TT>.</LI>
<LI>G4MaterialPropertiesIndex, G4MaterialPropertiesTable: added material
constant properties for G4Scintillation particle-dependent time constants.
In <TT>SetMaterialPropertiesTable()</TT> added <TT>nullptr</TT> check.</LI>
<LI>G4MaterialPropertiesTable: improved Exception messages; improved building
of vectors of material property names; issue a warning for material
properties vector of length 1.</LI>
<LI>G4ElementData: allow index 0 in data structure (before there was a
limitation <TT>Z > 0</TT>), useful for pair production model.
Also, fixed memory leak at exit.</LI>
<LI>G4ElementData: added G4Physics2Dvector component optional structure;
subdivide run time method in two groups: with or without check on input
parameters; use <TT>std::size_t</TT> type.</LI>
<LI>G4MicroElecMaterialStructure: Modified <TT>GetLimitEnergy()</TT>
function to account for the changes in the treatment of weakly bound
electrons of microelec inelastic model.</LI>
<LI>Applied standard and extended clang-tidy fixes, normal order access
specifiers and docstrings; applied clang-format.</LI>
<LI>Use "G4" prefixed version of EXPAT/ZLIB CMake variables.</LI>
<LI>Use G4FindDataDir to access data libraries in place of raw
<TT>getenv()</TT>.</LI>
</UL>
<A NAME="parameterisations-notes">
<H3><I>Parameterisations</I></H3></A>
<UL>
<LI>New submodule <TT>channeling</TT>, implementing fast-simulation channeling
model in oriented crystals with Baier Katkov method for the calculation of
radiation probability, radiation point and parameters of photon production
as well as spectrum accumulation.</LI>
<LI>Channeling:
<UL>
<LI>Revised version of the Baier-Katkov method with a new features of
increasing of the photon statistics in certain intervals of spectrum.
Updates in defaults and corrected some bugs.</LI>
<LI>Simulated and preliminarly validated the electromagnetic shower in W
with experimental data from Eur. Phys. J. C 82, 699 (2022).</LI>
<LI>Added the Crystalline Undulator (CU) as a periodically bent crystal
to the internal crystal geometry (to be validated still).</LI>
</UL></LI>
<LI>GFLASH:
<UL>
<LI>Replaced use of deprecated functions with modern equivalents.</LI>
<LI>Fixed reported Coverity defects for uninitialized data members.</LI>
</UL></LI>
</UL>
<A NAME="part-notes">
<H3><I>Particles</I></H3></A>
<UL>
<LI>Scanned all mesons and baryons, including their resonances, to
compare their particle properties with PDG-2023. Updated mass and
decay width (lifetime) for particles below with relative error above
1% against PDG-2023.</LI>
<LI>G4IonTable: fixed GetIon() method for the case when the ground state level
of an isomer is floating. Removed some code duplication in FindIon() and
GetIon() methods.
Fixed run-time memory leak in <TT>GetIonName()</TT> methods, now returning
G4String instead of a reference to a string; simplified code, with TLS no
longer involved.</LI>
<LI>G4NuclideTable: taken into account the possibility of floating ground state
levels.</LI>
<LI>G4Ion: added protection against unphysical index of floating level.</LI>
<LI>Applied core/recommended clang-tidy fixes.</LI>
<LI>Apply clang-format, excepting tabular data/constructors.</LI>
<LI>Removed unused headers suggested by include-what-you-use tool.</LI>
<LI>Removed extraneous/duplicate comments.</LI>
</UL>
<A NAME="pers-notes">
<H3><I>Persistency</I></H3></A>
<UL>
<LI>Split build of G4persistency library into G4mctruth, G4geomtext and
(optional) G4gdml libraries.</LI>
<LI>GDML:
<UL>
<LI>Added possibility to set alternative grammar for schema validation
while reading a GDML file. This can be achieved by either calling the
new method SetImportSchema(..) from G4GDMLParser, providing the
absolute path and file name of the XML schema, or by using the new
UI command:
<TT>/persistency/gdml/schema "[absolute_path]/schema_filename"</TT>
before importing the GDML file.
By setting a locally stored alternative grammar, it will instruct the
parser to ignore the default schema specified in the GDML file and
therefore no longer require access to the network for retrieving the
schema.</LI>
<LI>Allow setting of alternative grammar for schema validation via an
environment variable G4GDML_SCHEMA_FILE; it overrides the value set by
SetImportSchema() if both are non-empty strings. Forcing parser to
ignore any schema set in the input GDML file. Checking of grammar and
schema override will fail on missing schema.</LI>
<LI>In G4GDMLWriteStructure::ExportSD(), use GetMasterSensitiveDetector()
from logical volume to retrieve the shadow pointer of the sensitive
detector.</LI>
</UL></LI>
</UL>
<A NAME="lst-notes">
<H3><I>Physics lists</I></H3></A>
<UL>
<LI><B>Builders</B>:
<UL>
<LI>G4HadronicBuilder: added two methods, <TT>BuildINCLXX()</TT> and
<TT>BuildAntiLightIonsINCLXX()</TT>.</LI>
<LI>Removed no longer used file OrderingParameterTable.</LI>
</UL></LI>
<LI><B>Constructors</B>:
<UL>
<LI><U>electromagnetic</U>:
<UL>
<LI>G4EmBuilder, G4EmModelActivator, G4EmStandardPhysicsSS: fixed issue
in single scattering model definition per region for e+, e-, and
light hadrons. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2530">#2530</A>.</LI>
<LI>G4EmBuilder, G4EmStandardPhysicsSS: use new constructor for the
G4CoulombScattering process.</LI>
<LI>G4EmStandardPhysicsSS: allow to use
G4TransportationWithMscType. Removed unused header inclusions.</LI>
<LI>G4EmModelActivator: use new constructor for the G4CoulombScattering
process; allow adding G4EmStandardPhysicsSS on top of
G4EmStandardPhysics_option3.
Implemented single scattering per region by adding extra single
scattering process, which is active inside the region and not
active outside; multiple scattering and single scattering
processes for a given charged particle are disabled in the region.
Addressing problem report <A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2530">#2530</A>.</LI>
<LI>New G4ChemDissociationChannels and
G4ChemDissociationChannels_option1 classes.</LI>
<LI>G4GammaGeneralProcess: added method GetGammaNuclear().</LI>
<LI>G4EmParticleList: added method EmChargedPartNames(), returning a
minimal list of charged EM particles.</LI>
<LI>G4EmDNABuilder: for Opt2, 4, 6 use for protons and ions;
G4DNARuddIonisationExtendedModel from zero to <TT>100 MeV</TT>;
ion capture limit is set to <TT>0.1 keV</TT>.
For DNA Opt4 and Opt6, restored configuration as of previous
release series for protons, in order to have under control
results of various tests. Correction for proton constructors.
Corrected subtype process of G4LowECapture.</LI>
<LI>Fixed compilation warnings on macOS/XCode for implicit type
conversion.</LI>
</UL></LI>
<LI><U>factory</U>:
<UL>
<LI>Added G4StoppingPhysicsWithINCLXX in
G4RegisterPhysicsConstructors.</LI>
</UL></LI>
<LI><U>gamma_lepto_nuclear</U>:
<UL>
<LI>G4EmExtraPhysics: activate biasing in processes, not in
cross-sections.</LI>
<LI>G4EmExtraPhysics, G4EmMessenger: removed neutrino physics.
Fixed instantiation of e+- nuclear processes.</LI>
<LI>G4NeutrinoPhysics, G4NeutrinoPhysicsMessenger: added new physics
constructor for neutrino physics and its messenger.</LI>
<LI>Clean-up all classes of sub-library.</LI>
</UL></LI>
<LI><U>hadron_elastic</U>:
<UL>
<LI>New class G4HadronElasticPhysicsHPT, inheriting from
G4HadronElasticPhysicsHP and activating the special treatment of
elastic scattering of thermal neutrons.</LI>
<LI>G4HadronElasticPhysicsHP: changed method ConstructProcess() from
<TT>final</TT> to <TT>override</TT>, to be able to define the
ConstructProcess() method for the derived class
G4HadronElasticPhysicsHPT.</LI>
<LI>G4HadronElasticPhysics, G4HadronElasticPhysicsXS,
G4HadronElasticPhysicsHP, and G4HadronElasticPhysicsPHP: more
accurate instantiation of models, cross-sections and the neutron
general process.</LI>
<LI>G4ChargeExchangePhysics: do not use G4PhysicsListHelper, as the
charge exchange process is an addition to the main hadron process.
Updated the constructor. Added setter method for the factor
multiplying the cross-section.</LI>
<LI>G4ChargeExchangePhysics, G4ChargeExchangeMessenger: added UI
commands.</LI>
<LI>Added a low energy limit to the cross-section of the charge exchange
process to allow use of it on top of any physics without any
cross-section correction.</LI>
</UL></LI>
<LI><U>hadron_inelastic</U>:
<UL>
<LI>G4HadronInelasticQBBC: more accurate instantiation of the neutron
general process.</LI>
<LI>G4HadrocPhysicsQGSP_BERT_HP: use alternative HP models and
cross-sections.</LI>
<LI>New class G4HadronInelasticQBBC_ABLA, similar to
G4HadronInelasticQBBC_ABLA, except that for the final-state of
nuclear inelastic interactions of charged pions and nucleons
projectiles, the ABLA model is utilized for nuclear de-excitation,
instead of the usual precompound/de-excitation.
Meant for testing purposes. In principle, these couplings with ABLA
nuclear de-excitation can be extended to all types of projectiles
and to other reference physics lists, but, for the time being, it
is restricted to pion+, pion-, proton and neutron, and only for
QBBC.</LI>
<LI>In G4HadronPhysicsINCLXX, call
<TT>G4HadronicBuilder::BuildAntiLightIonsINCLXX()</TT>
to treat antiproton with INCLXX.</LI>
</UL></LI>
<LI><U>ions</U>:
<UL>
<LI>Added a physics constructor, G4LightIonQMDPhsysics for the new QMD
model for light ions.</LI>
</UL></LI>
<LI><U>limiters</U>:
<UL>
<LI>Fixed reported Coverity defects for unreachable code.</LI>
</UL></LI>
<LI><U>stopping</U>:
<UL>
<LI>G4StoppingPhysicsWithINCLXX: new class, similar to
G4StoppingPhysics, with the only difference that the INCLXX model
(instead of FTFP) is utilized for the antiproton annihilation at
rest.</LI>
</UL></LI>
</UL></LI>
<LI><B>Lists</B>:
<UL>
<LI>FTFP_BERT_ATL: use a new, specific FTF tune meant to overcome the problem
of too optimistic (i.e. narrow) pion shower energy resolutions in
ATLAS calorimeters with respect to test-beam data.</LI>
<LI>Use the new class G4StoppingPhysicsWithINCLXX (instead of
G4StoppingPhysics) in INCLXXPhysicsListHelper: this implies that all
the INCLXX-based physics lists (FTFP_INCLXX, QGSP_INCLXX, etc.) use
INCLXX for the antiproton annihilation at rest.</LI>
<LI>Introduced the new class QGSP_BIC_HPT, which is similar to QGSP_BIC_HP,
but with special treatment of elastic scattering of thermal neutrons
activated.</LI>
<LI>G4PhysListFactory: added new physics lists, corresponding to
<TT>HPT</TT> variants (i.e. with special treatment of elastic
scattering of thermal neutrons) of physics lists with <TT>HP</TT>
already present (FTFP_BERT_HPT, QGSP_BERT_HPT, FTFP_INCLXX_HPT,
QGSP_INCLXX_HPT, QGSP_BIC_HPT, QGSP_BIC_AllHPT, Shielding_HPT, and
ShieldingM_HPT).
Of these, only one (QGSP_BIC_HPT) corresponds to a concrete new physics
list, whereas the others are obtained from the <TT>HP</TT> physics
lists by adding the physics constructor G4ThermalNeutrons.
Introduced new physics list names Shielding_HP and ShieldingM_HP, as
alias of, respectively, Shielding and ShieldingM. These new aliases
allow to have a consistent notation _HPT for all the HP-based physics
lists when the special elastic scattering treatment of thermal neutrons
is enabled.</LI>
<LI>Shielding: added information note that the new physics list names (to
be used with the physics list factory), Shielding_HP and ShieldingM_HP,
are equivalent to, respectively, Shielding and ShieldingM.
Added a option for Shielding to use G4LightIonQMDPhysics, which is
the constructor of light ion QMD.</LI>
<LI>G4PhysListFactoryMessenger: added the new UI command
<TT>/physics_lists/factory/addThermal</TT> to enable the special
treatment of elastic scattering of thermal neutrons for HP-based
physics lists. Added UI commands to enable neutrino and
charge exchange physics.</LI>
<LI>QGSP_BERT_HP: use alternative HP models and cross-sections.</LI>
<LI>QGSP_BERT_AllHP: use default HP elastic builder.</LI>
<LI>New class QBBC_ABLA, which is similar to QBBC, except that for
hadron inelastic the constructor G4HadronInelasticQBBC_ABLA is used,
instead of G4HadronInelasticQBBC. This means that the physics list
QBBC_ABLA behaves as QBBC, with the only difference that for the
final-state of nuclear inelastic interactions of charged pions and
nucleons projectiles, the ABLA model is being used for nuclear
de-excitation, instead of the usual Precompound/de-excitation.</LI>
</UL></LI>
<LI><B>Util</B>:
<UL>
<LI>G4HadProcesses: more accurate implementation for the neutron general
process.</LI>
</UL></LI>
</UL>
<A NAME="run-notes">
<H3><I>Run</I></H3></A>
<UL>
<LI>Added handling (registration and merging) of sub-events in G4Run and
G4RunManager.</LI>
<LI>Do not call <TT>WorkerG4ParticleTable()</TT> from G4ParticleTable in
constructor of G4WorkerRunManager, as called already from G4ParticleTable
through <TT>GetParticleTable()</TT>, which is called beforehand by other
Geant4 classes. Duplicate call was causing memory leak at exit.</LI>
<LI>G4PhysicsListHelper: removed the unused code related to reading from the
file OrderingParameterTable (which has been deleted).</LI>
<LI>Refactor random state file copying to use std::filesystem for
portability.</LI>
<LI>Applied core and optional clang-tidy fixes, plus clang-format and tidying:
removed obsolete comments/dead blocks; normal order access specifiers and
make docstrings Doxygen/IDE compatible.</LI>
</UL>
<A NAME="track-notes">
<H3><I>Track &amp; Tracking</I></H3></A>
<UL>
<LI>Added new state <TT>fSuspendAndWait</TT> to G4TrackStatus.</LI>
<LI>G4TrackStatus is made mutable in G4Track so it can be modified in
stacking.</LI>
<LI>Applied standard and extended set of clang-tidy/format fixes.</LI>
</UL>
<A NAME="vis-notes">
<H3><I>Visualization</I></H3></A>
<UL>
<LI><B>General</B>
<UL>
<LI>Updated configuration so that OpenGL and GLES "toolssg" drivers are
not used in the case VTK is used.</LI>
<LI>Isolated private headers and updated dependencies.</LI>
<LI>Link to new G4UIcore/UIimplementation modules in place of former
G4UIbasic/UIcommon.</LI>
<LI>Exporting public compile definitions to indicate availablity of
specific drivers. Moves to "use on link" model.</LI>
<LI>Support compilation against Qt5 and Qt6.</LI>
<LI>Set AUTOMOC property on module when Qt used.</LI>
</UL></LI>
<LI><B>Management</B>
<UL>
<LI>Implemented a more flexible way of choosing a graphics system.
It preserves the existing behaviour in all aspects.
To take advantage of the new ways, <TT>/vis/open</TT> should be
allowed to use default parameters, either by omitting them
altogether or by using '!'. Without any change of code, i.e.,
using the existing constructor, G4VisExecutive will refer to the
environment variable <TT>G4VIS_DEFAULT_DRIVER</TT>, which should
contain the nickname of the chosen graphics system and, optionally,
a window size hint (space separated).
Or on the command line, precede the app invocation,
(e.g: <TT>G4VIS_DEFAULT_DRIVER=Vtk 'application-name'</TT>).
The window-size-hint can optionally be added to all these options,
e.g: <TT>(bash) export G4VIS_DEFAULT_DRIVER="OGLSX 1000x1000-0+0"</TT>.
Otherwise G4VisExecutve will choose a graphics system on the basis of
batch/interactive running, and Geant4 build options (see list
of registered graphics systems printed at the start of job).</LI>
<LI>Further ways are available by using a new constructor,
<TT>G4VisExecutive(argc, argv)</TT>. This follows G4UIExecutive usage.
If a 3rd argument is supplied, this is your chosen system
(e.g.: <TT>G4VisExecutive(argc, argv, "Vtk")</TT>).
Otherwise, it looks at <TT>G4VIS_DEFAULT_DRIVER</TT>, as above.
Otherwise, it inspects <TT>~/.g4session</TT>.<BR>
G4UIExecutive behaviour is preserved.<BR>
Otherwise, as above, it will choose a graphics system on the basis of
batch/interactive running, and Geant4 build options.</LI>
<LI>G4VisExecutive: added new constructor implementing default graphics
system by environment variable <TT>G4_VIS_DEFAULT_DRIVER</TT>.
Simplified default graphics system by run option (batch/interactive).
Exploit new method, <TT>G4UImanager::GetBaseSession()</TT>.
Added code for default graphics system based on batch or build
flags. In <TT>SetDefaultsByBuildFlags()</TT>, added missing default
for TOOLSSG...ZB drivers.
Temporary divert OGL to TSG for allowing support of Qt6.
Declare TOOLSSG_[X11,XT,WINDOWS,QT]_ZB drivers.
Fixed default TSG nickname when Vtk suppresses OpenGL.
Added single line message "VTK: OpenGL-based drivers suppressed".
Protect all G4cout statements with <TT>fVerbosity</TT> at startup.</LI>
<LI>Implemented choice by argument and by <TT>~/.g4session</TT>.</LI>
<LI>G4VisManager: improved messaging in
<TT>PrintAvailableGraphicsSystems()</TT>.
Improved readability of code that ignores deleted histograms, etc.
Improve printing about histograms that can be plotted in the UI
session. Take into account deleting histograms in G4VisManager:
the vector of histograms can contain 'nullptr' elements.</LI>
<LI>Introducing concept of default XGeometryString (aka window size
hint).</LI>
<LI>G4VisCommandsCompound: in <TT>/vis/open</TT>, exploit "current as
default" for all parameters, including the window-size-hint.</LI>
<LI>G4VisCommandsViewer: in <TT>/vis/viewer/create</TT>, exploit
"current as default" for all parameters, including the
window-size-hint.</LI>
<LI>Introducing scene tree in G4VViewer. The scene tree is a tree of
G4SceneTreeItem objects; its root is a data member fSceneTree of all
viewers by virtue of G4VViewer inheritance. The root G4SceneTreeItem
has children that represent the models (G4VModel sub-classes) in the
scene. For a G4PhysicalVolumeModel (detector components), its children
and children's children, etc., imitate the geometry hierarchy of that
model. These descendants are called "touchables". There may be more
than one G4PhysicalVolumeModel, depending how the user creates his/her
scene. The scene tree is reviewed, and updated if necessary, at every
pass of <TT>G4VSceneHandler::ProcessScene()</TT>. This is called a
"kernel visit". A kernel visit is triggered by vis commands (e.g.,
<TT>/vis/viewer/rebuild</TT>) and by a viewer if deemed necessary.
For example, a kernel visit may not be required for a rotation, zoom,
etc., but required for a change from surface to wireframe. The idea
is that the scene tree can be passed to a GUI, the GUI can create a
tree widget, and interactions with it raise UI commands such as
<TT>/vis/scene/activateModel</TT>, <TT>/vis/set/touchable</TT> and
<TT>/vis/touchable/set/</TT>...
The viewer decides if this requires a kernel visit, otherwise it must
update <TT>fSceneTree</TT> itself (utilities are provided).
Limit the depth of expansion of the scene tree touchables; this is to
prevent the trees of complex detector running off the page; all
touchables are entered but could be in a collapsed item, viewable by
expanding the mother with a left click.
Added scene tree and related functionality.
Improved <TT>G4VViewer::SceneTreeScene::FindOrInsertTouchable()</TT>.
Simplified ghost-touchable transition.
Added "utility" function <TT>UpdateGUISceneTree()</TT>.
Applied clang-format.</LI>
<LI>New scene tree: implementing expand and collapse of touchables.
Expand only to depth 2, thereafter sub-trees are collapsed.
When the scene tree is expanded or collapsed it is remembered in
the viewer-side scene tree and may be propagated to other viewers.</LI>
<LI>First implementation of a no-frills GUI-side interactive scene tree.
Works with touchables; can change the visibility of a touchable.
A view can be prepared with a graphical driver, such as OGL, TSG, OI
or Vtk, and transferred it to Ray Tracer, TOOLSSG_OFFSCREEN, etc.,
simply with <TT>/vis/open RayTracer</TT>, etc.</LI>
<LI>Default special mesh rendering for viewers which can render all
objects.</LI>
<LI>Implemented "generic cutaways". It relies on the Boolean Processor
which handles the Boolean operations on polyhedral representations of
solids. Clips, sections and cutaways will now be available to *all*
viewers (OGL viewers still use OpenGL clip planes).</LI>
<LI>G4VSceneHandler: protect material pointer used to name G4Mesh item.
If null, use name of container. It avoids cases of crash when a G4Mesh
is in a parallel world. In <TT>RequestPrimitives()</TT>, improved test
for invalid Boolean solid.
In <TT>CreateSectionSolid()</TT> and <TT>CreateCutawaySolid()</TT>,
improved algorithms.</LI>
<LI>G4VVisCommand: added static G4SceneTreeItem
<TT>fExistingSceneTree</TT>, used for remembering scene tree of
previous viewer.</LI>
<LI>G4VisCommandsSceneHandler: if there is an existing viewer, store scene
tree.</LI>
<LI>G4VisCommandsViewer: if there is an existing viewer, store scene tree.
Copy existing scene tree to the new viewer.</LI>
<LI>G4ViewParameters: initialise <TT>fSpecialMeshRenderingOption</TT>
as <TT>meshAsDefault</TT>.</LI>
<LI>G4VisCommandsTouchableSet: with <TT>/vis/touchable/set/visibility</TT>,
added one-time warning about circumstances in which the command may
appear not to work.</LI>
<LI>G4VisCommandsSceneAdd, G4VisCommandSceneAddText2D: improved guidance and
description.</LI>
<LI>In G4VisCommandsTouchable, introduced UI command
<TT>/vis/touchable/twinkle</TT>.</LI>
<LI>Removed obsolete attempt at flying (interpolation with splines).
Functionality now delegated to G4ViewParameters.</LI>
<LI>Fized problem of local axes not appearing, by adding
<TT>/vis/viewer/refresh</TT> after
<TT>/vis/touchable/localAxes</TT>.</LI>
<LI>Code cleanup in G4VUserVisAction: made protected <TT>Draw()</TT>
virtual method; improved comments.</LI>
<LI>Fixed compilation warning for implicit type conversion on
macOS/XCode>=14.1.</LI>
</UL></LI>
<LI><B>Modeling</B>
<UL>
<LI>G4VModel: removed unnecessary reference to G4PhysicalVolumeModel.</LI>
<LI>G4PseudoScene: added G4VisAttributes (this was always available, but
never previously made onward available to sub-classes).</LI>
<LI>Added static utility
<TT>G4PhysicalVolumeModel::GetPVNamePathString()</TT>.</LI>
<LI>Updates to implement "generic cutaways".</LI>
<LI>G4PhysicalVolumeModel: introducing touchable count. A new function
<TT>GetNumberOfTouchables()</TT> returns a map with the number of
touchables by depth of the geometry tree. Used in G4VViewer when
deciding whether to expand the scene tree.
In <TT>DescribeSolid()</TT>, improved tests for invalid Boolean
solid in code for section and cutaway.</LI>
</UL></LI>
<LI><B>OpenGL</B>
<UL>
<LI>Removed obsolete G4OPENGL_VERSION_2 symbol and
G4OpenGLVboDrawer class.</LI>
<LI>Make <TT>modeling</TT> module a private dependency, unless Qt
is active, when it must be public.</LI>
<LI>First implementation of a no-frills GUI-side scene tree.</LI>
<LI>G4OpenGLQtViewer: disabled "old" scene tree.</LI>
<LI>No longer link to QtPrintSupport, which is not used in the
toolkit.</LI>
<LI>Removed support for Qt less than version 5.9. Clarify remaining
version checks using QT_VERSION_CHECK instead of raw hex.</LI>
<LI>G4OpenGLQt, G4OpenGLXm: simplified <TT>IsUISessionCompatible()</TT>.
Exploit new method, <TT>G4UImanager::GetBaseSession()</TT>.</LI>
<LI>Fixed precision-loss warning.</LI>
</UL></LI>
<LI><B>OpenInventor</B>
<UL>
<LI>First implementation of a no-frills GUI-side scene tree.</LI>
<LI>No longer link to QtPrintSupport, which is not used in the
toolkit.</LI>
<LI>G4OpenInventor: simplified <TT>IsUISessionCompatible()</TT>.
Exploit new method, <TT>G4UImanager::GetBaseSession()</TT>.
Implemented fix as an OI driver is not appropriate for a batch
session.</LI>
<LI>Fixed reported Coverity defects.</LI>
</UL></LI>
<LI><B>Qt3D</B>
<UL>
<LI>G4Qt3DSceneHandler: added dummy normal line attributes, as Qt6 seems
to require that; fixes wireframe drawing; does not seem to fix
trajectory line drawing, though.
Establish the top physical volume Qt3D entities from the scene.</LI>
<LI>G4Qt3D: simplified <TT>IsUISessionCompatible()</TT>.
Exploit new method, <TT>G4UImanager::GetBaseSession()</TT>.</LI>
<LI>Fixed precision-loss warning.</LI>
</UL></LI>
<LI><B>ToolsSG</B>
<UL>
<LI>First version of the TSG_[QT,X11,XT,WINDOWS]_ZB sub drivers, allowing
the rendering with g4tools/zbuffer (the same used by TSG_OFFSCREEN).
They allow interactive 3D rendering bypassing native graphics
systems. It is fully standalone over the standard C/C++ libs and the
standard pixmap logic of X11, Xt, Qt, Windows, running only the CPU.
Tested with Qt5 and Qt6.</LI>
<LI>First implementation of a no-frills GUI-side scene tree.</LI>
<LI>No longer link to QtPrintSupport, which is not used in the
toolkit.</LI>
<LI>Link to Qt6OpenGLWidgets library when using Qt6 to access
QOpenGLWidget.</LI>
<LI>G4ToolsSGViewer: protected null scene pointer, in case user forgets
to create a scene.</LI>
<LI>G4ToolsSGQtViewer renamed to G4ToolsSGQtGLESViewer for consistency
with the file naming pattern applied in other sub-drivers.</LI>
<LI>G4ToolsSGQtGLES, G4ToolsSGQtZB: simplified
<TT>IsUISessionCompatible()</TT>.
Exploit new method, <TT>G4UImanager::GetBaseSession()</TT>.</LI>
<LI>Fixed Coverity warnings.</LI>
</UL></LI>
<LI><B>Vtk</B>
<UL>
<LI>Refactor of VTK viewer with pipelines, geometry stores; improved 2D
rendering, streamlined VTK cmake components. Added off screen
rendering; fixed bug which locked UI interaction with VtkNative
viewer; many 3D output formats working including GLTF, PLY, OBJ,
VRML; removed cuboid offset present in rectilinear scoring meshes
(caused an explosion of draw calls); fixed spherical marker size.</LI>
<LI>G4VtkSceneHandler: text justification to given coordinate.</LI>
<LI>Separated pipelines into source and include files.</LI>
<LI>Use class inheritance for pipelines G4VVtkPipeline and added ability
to chain pipelines.</LI>
<LI>Separated interactive cutters, clippers.</LI>
<LI>2D transparent image overlay.</LI>
<LI>Improved geant4 commands (/vis/vtk/..).</LI>
<LI>Added vtkUnstructuredGridPipeline for special mesh rendering.</LI>
<LI>G4VtkQt: simplified <TT>IsUISessionCompatible()</TT>.
Exploit new method, <TT>G4UImanager::GetBaseSession()</TT>.</LI>
<LI>Fixed missing circles in rendering.</LI>
<LI>Removed files no longer being built.</LI>
<LI>Applied clang-tidy and clang-format fixes.</LI>
<LI>Removed dead code and no-ops.</LI>
<LI>Fixed compilation warnings for implicit type conversions on
macOS/XCode>=14.1.</LI>
</UL></LI>
</UL>
<A NAME="data-notes">
<H3><I>Data sets</I></H3></A>
<UL>
<LI>New low-energy data set version, <B>G4EMLOW-8.5</B>:
<UL>
<LI>Updated microelec data for electrons.</LI>
<LI>Updated DNA data.</LI>
<LI>Added new data subdirectory for XRayReflection.</LI>
<LI>Updated MicroElec data inside Inelastic and Structure
subdirectories.</LI>
<LI>Added README to all subdirectories.</LI>
</UL></LI>
<LI>New nuclear shell effects data set version, <B>G4ABLA-3.3</B>:
<UL>
<LI>New file named <TT>mass2016.dat</TT> with experimental atomic
mass evaluation from 2016.</LI>
<LI>New file <TT>mass2020.dat</TT> with the binding energies from
the atomic mass evaluation AME2020.</LI>
</UL></LI>
<LI>New data set version for proton and neutron density profiles,
<B>G4INCL-1.2</B>:
<UL>
<LI>Addec new files for antiproton annihilation at rest of INCL.</LI>
<LI>Added new data files for in-flight antiprotons (Channel
probabilities).</LI>
</UL></LI>
</UL></LI>
<A NAME="ex-notes">
<H3><I>Examples</I></H3></A>
<UL>
<LI>Updated reference outputs, macros, READMEs and scripts.</LI>
<LI>Fixes for Doxygen documentation and coding guidelines.</LI>
<LI>Updated vis*.mac macros in most examples, changed <TT>/vis/open</TT>
command for interactive visualization to allow for run-time choices
and simplified comments.
Removed defunct command <TT>/vis/ogl/set/displayListLimit</TT>.</LI>
<LI>In several input macro files, introduced the UI command
<TT>/process/had/rdm/thresholdForVeryLongDecayTime 1.0e+60 year</TT>
to allow all radioactive decays (including the very long ones).</LI>
<LI><B><U>advanced</U></B>
<UL>
<LI><B>air_shower</B>
<UL>
<LI>Fixed warning message regarding the size of the material
property vector.</LI>
</UL></LI>
<LI><B>dsbandrepair</B>
<UL>
<LI>New Geant4-DNA application for evaluating the early radiation-induced
DNA damage. The first development of the simulation chain was carried
out by Meylan et al. in 2017 (Sci. Rep. 2017 7:11923).
Supports all types of DNA geometries constructed with DNAFabric
(Comput. Phys. Comm. 2016 204:159-169). Geometries for human cell
nuclei (fibroblast, endothelium) and yeast are also provided.</LI>
</UL></LI>
<LI><B>eFLASH_radiotherapy</B>
<UL>
<LI>Removed visualization in batch mode.</LI>
</UL></LI>
<LI><B>exp_microdosimetry</B>
<UL>
<LI>Renamed from <TT>radioprotection</TT> example.</LI>
</UL></LI>
<LI><B>fastAerosol</B>
<UL>
<LI>General code cleanup, including clang-tidy.</LI>
</UL></LI>
<LI><B>ICRP110_HumanPhantoms</B>
<UL>
<LI>Now building two executables: ICRP110phantoms and
ICRP110standalone. ICRP110standalone allows allows visualisation
of the phantom without the overhead of the run manager and
initialising of all the physics tables (i.e. cannot visualise
trajectories).</LI>
<LI>standalone.mac: disable auto refresh *before* creating scene.
For auto-refresh viewers, without this change the viewer attempts
to draw the detector with the default view parameters, and in the
case of this phantom, it overwhelms the graphics system.</LI>
<LI>This phantom should be displayed with special mesh rendering.</LI>
<LI>ICRP110PhantomNestedParameterisation: fixed assignment of material
pointer in <TT>ComputeMaterial()</TT>, affecting MT runs.</LI>
<LI>Removed forward declaration of G4VTouchable.</LI>
</UL></LI>
<LI><B>ICRP145_HumanPhantoms</B>
<UL>
<LI>Introduce ICRP145standalone. Building two executables:
ICRP145phantoms and ICRP145standalone. ICRP145standalone allows
visualisation of the phantom without the overhead of the run
manager and physics tables and geometry initialisation.
Of course, you cannot run or visualise trajectories.
Disabled auto refresh *before* creating scene.</LI>
</UL></LI>
<LI><B>medical_linac</B>
<UL>
<LI>Use default MixMax random engine.</LI>
</UL></LI>
<LI><B>STCyclotron</B>
<UL>
<LI>Correction in PrimaryGeneratorAction. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2538">#2538</A>.</LI>
<LI>Corrected warning in <TT>vacuum_density</TT>.</LI>
</UL></LI>
<LI><B>stim_pixe_tomography</B>
<UL>
<LI>New application for simulating three-dimensional STIM or PIXE
tomography experiments. References:
NIM Phys.Res. B (536) 2023: 38-44;
Phys. Med. (94) 2022: 85-93; Phys. Med. (65) 2019: 172-180.</LI>
</UL></LI>
<LI><B>underground_physics</B>
<UL>
<LI>Updated analysis and ambe_spectrum.mac. Addressing problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2338">#2338</A>.</LI>
<LI>Addressed problem report
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2503">#2503</A>
and related to
<A href="https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2338">#2338</A>;
also removed redundant alpha_low.mac macro.</LI>
<LI>Moved EM model setters in DMXPhysicsList to G4EmParameters.</LI>
</UL></LI>
<LI><B>xray_SiliconPoreOptics</B>
<UL>
<LI>New example demonstrating an application of Geant4 in space
environment. The geometry used in this example represents a
single reflective pore used to simulate on a smaller scale the
effect of the millions of pores forming the mirror of the ATHENA
Silicon Pore Optics (SPO), as described in:
V.Fioretti et al., STI: Ultraviolet to Gamma Ray. Vol.10699,
SPIE, 2018.
The main purpose of the simulation is the estimation of the induced
residual background at the pore exit caused by proton scattering at
grazing angles.</LI>
</UL></LI>
<LI><B>xray_TESdetector</B>
<UL>
<LI>New example of the application of Geant4 in a space environment.
It represents an x-ray detector derived from the X-IFU, the X-ray
spectrometer designed and developed by the European Space Agency
(ESA) for use on the ATHENA telescope. The main purpose of the
simulation is the estimation of the particle radiation background
impacting on the detector.</LI>
</UL></LI>
</UL></LI>
<LI><B><U>basic</U></B>
<UL>
<LI>Applied clang-tidy checks and use <TT>auto</TT> in <TT>main()</TT>
where suitable and not done by clang-tidy.</LI>
<LI>Fixed and improved setting of G4VisAttribute: do not create vis
attributes with new (causing memory leak); use Geant4 predefined
colours (for clarity).</LI>
<LI><B>B1</B>
<UL>
<LI>In <TT>main()</TT>, use constructor with arguments
<TT>G4VisExecutive(argc, argv)</TT>.</LI>
<LI>Moved tsg_offscreen.mac to example B5.</LI>
</UL></LI>
<LI><B>B2</B>
<UL>
<LI>Removed unsused and unimplemented method declaration
<TT>PrimaryGeneratorAction::SetRandomFlag()</TT>.</LI>
</UL></LI>
<LI><B>B4</B>
<UL>
<LI>Removed unsused and unimplemented method declaration
<TT>PrimaryGeneratorAction::SetRandomFlag()</TT>.</LI>
<LI>In PrimaryGeneratorAction, default <TT>e-, 300 MeV</TT>.</LI>
<LI>RunAction: adjusted binning of histograms.</LI>
<LI>Updated run1.mac and run2.mac macros.</LI>
</UL></LI>
<LI><B>B5</B>
<UL>
<LI>DetectorConstruction: added initialization of <TT>fMessenger</TT>.</LI>
<LI>Added tsg_offscreen.mac (moved from example B1).</LI>
<LI>Removed unused init.mac macro.</LI>
</UL></LI>
</UL></LI>
<LI><B><U>extended</U></B>
<UL>
<LI><B>analysis</B>
<UL>
<LI>Moved default declaration of destructor in header.</LI>
<LI><B>AnaEx03</B>
<UL>
<LI>Updated to demonstrate new analysis manager commands
for deleting selected histograms</LI>
<LI>Added UI command <TT>/AnaEx03/runAction/printStatistic</TT>
to call <TT>PrintStatistics()</TT>. This allows to call this
function at the end of run before resetting histograms and
avoids printing empty statistics in MT mode.</LI>
<LI>Added plotter.mac macro.</LI>
</UL></LI>
<LI><B>B1Con</B>
<UL>
<LI>Synchronised with changes in example B1.</LI>
<LI>Added accumulable class for a vector of Edep per event.</LI>
<LI>Removed unused files: init.mac, B1Run.hh, B1ConRun.hh</LI>
<LI>Fixes for Doxygen.</LI>
</UL></LI>
</UL></LI>
<LI><B>biasing</B>
<UL>
<LI><B>GB06</B>
<UL>
<LI>Replaced use of deprecated G4TouchableHistoryHandle with
G4TouchableHandle.</LI>
</UL></LI>
<LI><B>GB07</B>
<UL>
<LI>Coding guidelines: removed tabulations in <TT>main()</TT>.</LI>
</UL></LI>
<LI><B>ReverseMC01</B>
<UL>
<LI>Removed inclusion of unneeded and now obsolete
G4strstreambuf header.</LI>
</UL></LI>
</UL></LI>
<LI><B>common</B>
<UL>
<LI>Fixes for Doxygen.</LI>
</UL></LI>
<LI><B>electromagnetic</B>
<UL>
<LI>Code revision of all headers.</LI>
<LI><B>TestEm0</B>
<UL>
<LI>New input macro ion.mac.</LI>
<LI>RunAction: restore output format.</LI>
</UL></LI>
<LI><B>TestEm1</B>
<UL>
<LI>New input macro etaDecay.mac.</LI>
<LI><TT>PhysicsList::AddRadioactiveDecay()</TT>:
set ARM false.</LI>
</UL></LI>
<LI><B>TestEm3</B>
<UL>
<LI>Compute and plot energy leakage and total energy.</LI>
<LI>Run: fixed division by zero for the case if energy
deposition in a layer is zero.</LI>
</UL></LI>
<LI><B>TestEm4</B>
<UL>
<LI>RunAction: print run conditions and histograms statistics.</LI>
</UL></LI>
<LI><B>TestEm6</B>
<UL>
<LI>Coding guidelines: removed tabulations from RunAction.</LI>
<LI>Removed useless macro TestEm6_xs.in.</LI>
<LI>Fixed warning in plotHisto macro.</LI>
</UL></LI>
<LI><B>TestEm7</B>
<UL>
<LI>Added extra macro for test muon dEdx and Range.</LI>
</UL></LI>
<LI><B>TestEm8</B>
<UL>
<LI>Applied clang-format.</LI>
</UL></LI>
<LI><B>TestEm11</B>
<UL>
<LI>Compute and plot energy leakage and total energy.</LI>
<LI>In <TT>PhysicsList::RadioactiveDecay()</TT>:
<TT>setARM = false</TT>.</LI>
</UL></LI>
<LI><B>TestEm16</B>
<UL>
<LI>Use XRayReflection_data from G4EMLOW-8.5.</LI>
<LI>Minor update of SteppingAction.</LI>
</UL></LI>
<LI><B>TestEm18</B>
<UL>
<LI>Fix in destructor of StakingAction.</LI>
</UL></LI>
</UL></LI>
<LI><B>eventgenerator</B>
<UL>
<LI><B>particleGun</B>
<UL>
<LI>Code revision of all headers.</LI>
</UL></LI>
<LI><B>pythia/decayer6</B>
<UL>
<LI>Fixes for Doxygen: moved class description comments after
namespace.</LI>
<LI>Updated common directory.</LI>
</UL></LI>
<LI><B>userPrimaryGenerator</B>
<UL>
<LI>Code revision of all headers.</LI>
</UL></LI>
</UL></LI>
<LI><B>field</B>
<UL>
<LI>Applied clang-tidy and new coding guidelines.</LI>
<LI><B>field01</B>
<UL>
<LI>Coding guidelines: split long lines.</LI>
</UL></LI>
<LI><B>field04</B>
<UL>
<LI>Replaced use of deprecated G4TouchableHistoryHandle with
G4TouchableHandle.</LI>
</UL></LI>
</UL></LI>
<LI><B>g3tog4</B>
<UL>
<LI>Fixes for Doxygen: moved class description comments after
namespace.</LI>
</UL></LI>
<LI><B>geometry</B>
<UL>
<LI><B>transforms</B>
<UL>
<LI>Applied clang-tidy and new coding guidelines.</LI>
</UL></LI>
<LI><B>vecGeomNavigation</B>
<UL>
<LI>Coding guidelines: split long lines, added separators in
VG01ActionInitialization.</LI>
<LI>Removed duplicate macro run-ntst.mac.</LI>
</UL></LI>
</UL></LI>
<LI><B>hadronic</B>
<UL>
<LI>Code revision of all headers.</LI>
<LI><B>FlukaCern</B>
<UL>
<LI>New Geant4-FLUKA interface and two hadronic examples,
providing access to FLUKA-Cern hadron-nucleus inelastic
physics:
<UL>
<LI>ProcessLevel/CrossSection: allows the study of Geant4
cross-sections, and FLUKA-Cern hadron-nucleus reaction
cross-sections.</LI>
<LI>ProcessLevel/FinalState: shows how to simulate inelastic
hadron-nucleus interactions, using Geant4 or FLUKA-Cern
models.</LI>
</UL></LI>
</UL></LI>
<LI><B>Hadr01</B>
<UL>
<LI>Added UI commands to enable neutron general process and
extra macro file.</LI>
<LI>In <TT>main()</TT>, added possibility to change transition
energy cascade/string in the command line; added possibility
to enable charge exchange physics in the command line.
Prepare PhysicsList for neutrino and charge exchange physics.</LI>
<LI>HistoManager: added option key to print internal Bertini
cross-section. Added protection agains secondary zero-energy
particles. Improved verbose printout.</LI>
<LI>Fixed bug in profile histogram; removed methods not needed;
replaced virtual keywords with override; use default and
deleted constructor in modified classes.</LI>
<LI>In hadr01.in, added integration test of neutrino and charge
exchange physics.</LI>
</UL></LI>
<LI><B>Hadr03</B>
<UL>
<LI>In <TT>main()</TT>, set <TT>ProduceFissionFragments</TT> to
<TT>true</TT>.</LI>
<LI>PhysicsList: return to use QGSP_BIC_HP.</LI>
<LI>SteppingAction: added protection against secondaries.</LI>
<LI><TT>Run::EndOfRun()</TT>: format adjustement.</LI>
</UL></LI>
<LI><B>Hadr04</B>
<UL>
<LI>PhysicsList: removed definition of <TT>meV</TT>.</LI>
</UL></LI>
<LI><B>Hadr05</B>
<UL>
<LI>Compute and plot Edep, Eleak, Etotal=Edep+Eleak.</LI>
</UL></LI>
<LI><B>Hadr06</B>
<UL>
<LI>Compute and plot total energy released.</LI>
</UL></LI>
<LI><B>Hadr07</B>
<UL>
<LI>Compute and plot Edep, Eleak, Etotal=Edep+Eleak.</LI>
<LI>Added neutron.mac macro.</LI>
</UL></LI>
<LI><B>Hadr08</B>
<UL>
<LI>Fix in <TT>BiasingOperation::ApplyFinalStateBiasing()</TT>:
added calls to biased processes
<TT>CrossSectionDataStore::ComputeCrossSection()</TT>.
This fixes a break observed in the ALICE simulation, that
could be reproduced in this example by changing "G4_Si"
with "G4_SILICON_DIOXIDE".</LI>
</UL></LI>
<LI><B>Hadr10</B>
<UL>
<LI>In SteppingAction, protecting the argument of <TT>acos()</TT>
to be within range.</LI>
</UL></LI>
<LI><B>ParticleFluence</B>
<UL>
<LI>Run, TrackingAction: replaced G4int with G4long for keeping
the information on the multiplicity of particle production.
This avoids rare cases of negative multiplicities due to
integer overflow, seen for runs with at least 4000 events,
in particular with heavy materials, such as Tungsten and
Lead.</LI>
<LI>Renamed macro files from *.g4 to *.in</LI>
</UL></LI>
</UL></LI>
<LI><B>medical/DICOM</B>
<UL>
<LI>DicomNestedPhantomParameterisation: fixed assignment of material
pointer in <TT>ComputeMaterial()</TT>, affecting MT runs.</LI>
<LI>Removed forward declaration for G4VTouchable.</LI>
<LI>Fixes in DicomDetectorConstruction: added correct replica depths
for <TT>x,y,z</TT> of G4PSDoseDeposit3D for nested parameterisation
and corrected voxel ordering according to the fixed formula within
G4PSDoseDeposit3D; added environment variable to switch to standard
G4PSDoseDeposit in the case of regular navigation (default).</LI>
</UL></LI>
<LI><B>medical/dna</B>
<UL>
<LI><B>dnadamage1</B>:
<UL>
<LI>Changes in analysis macros: fixed bug where Boolean
<TT>Primaryflag</TT> was not updated for new primary;
count direct and indirect SB (strand break); introduced
clustering algorithm to extract SSB, DSB (simple, complex);
renamed plot.C to scandamages.C.</LI>
</UL></LI>
<LI><B>dnadamage2</B>:
<UL>
<LI>New example providing scoring of plasmid DNA strand breaks
using the IRT method (J. Ramos-Mendez, et al., Medical
Physics, 2020, 47(11), 5919-5930).
Extends the chem6 example by adding DNA molecule information
and the scoring of Strand Breaks. Experimental conditions are
considered such as oxygen and DMSO molar concentrations.</LI>
</UL></LI>
<LI><B>dnaphysics</B>:
<UL>
<LI>Update SteppingAction with units and addition of gamma
processes.</LI>
<LI>PhysicsList: more clear implementation of two cases: usage
of a DNA physics constructor or standard physics constructor
plus DNA model activator.</LI>
<LI>Updated dnaphysics.in macro and TrackingCut for heavy ions.</LI>
</UL></LI>
<LI><B>icsd</B>:
<UL>
<LI>PhysicsList: deleted unused models; apdated
<TT>RegisterModel()</TT> function with new structure.
Deleted G4DNAVacuumModel.</LI>
</UL></LI>
<LI><B>moleculardna</B>:
<UL>
<LI>Migrated data download to CERN EOS area for examples.</LI>
<LI>Added ability to read particles from a space phase file
(csv).</LI>
<LI>Updated ecoli.mac file.</LI>
<LI>Removed unused public data member <TT>nLineCounter</TT> in
PrimaryGeneratorSourceGRASCSV.</LI>
<LI>Overall code revision with clang-tidy.</LI>
</UL></LI>
<LI><B>range</B>:
<UL>
<LI>Added DNA materials.</LI>
<LI>Simplified PhysicsList.</LI>
<LI>Use G4RunManagerFactory in <TT>main()</TT>.</LI>
</UL></LI>
<LI><B>scavenger</B>:
<UL>
<LI>Fixes for Doxygen</LI>
</UL></LI>
<LI><B>splitting</B>:
<UL>
<LI>Fixes in usage of analysis: close analysis file in
EndOfRunAction, instead of destructor; do not delete
analysis manager.</LI>
<LI>Fixed the Root file name in plot.C.</LI>
</UL></LI>
<LI><B>spower</B>:
<UL>
<LI>Added DNA materials.</LI>
<LI>Simplified PhysicsList.</LI>
<LI>Added extra macro <TT>alpha.in</TT>.</LI>
<LI>Code cleanup in <TT>main()</TT>.</LI>
</UL></LI>
<LI><B>UHDR</B>:
<UL>
<LI>New example showing how to activate the mesoscopic model
in chemistry and combine with SBS model (Tran et al.,
Int. J. Mol. Sci. 22 (2021) 6023).
It allows to simulate chemical reactions longtime
(beyond 1 us) of post-irradiation.</LI>
</UL></LI>
</UL></LI>
<LI><B>medical/radiobiology</B>
<UL>
<LI>New application realized for dosimetric and radiobiological
applications of proton and ion beams. Specific tools were built
to evaluate primaries and secondary energy spectra and a set of
classes, dedicated to the computation of biological, as LET
(Linear Energy Transfer), RBE (Relative Biological Effectiveness),
Survival Fraction, and physical (as dose and fluence) quantities
are implemented.</LI>
</UL></LI>
<LI><B>optical</B>
<UL>
<LI>Applied clang-tidy fixes to code.</LI>
<LI><B>OpNovice</B>
<UL>
<LI>Applied coding guidelines, especially use of override and
variable initialization.</LI>
</UL></LI>
<LI><B>OpNovice2</B>
<UL>
<LI>Added command to kill photons on reaching second surface;
provides a way to visualize boundary scattering.</LI>
<LI>In scint_by_particle.mac, use normal verbosity (1).
Use particle-specific time constants.</LI>
<LI>Applied coding guidelines, especially use of override and
variable initialization.</LI>
</UL></LI>
<LI><B>wls</B>
<UL>
<LI>Applied coding guidelines, especially use of override and
variable initialization.</LI>
</UL></LI>
</UL></LI>
<LI><B>parallel</B>
<UL>
<LI><B>MPI</B>
<UL>
<LI>Fixed typo in <TT>exMPI04</TT> for mistyping of G4Filesystem
in RunActionMaster.</LI>
<LI>Added two new functions in G4MPIrunmanager to access number
of events in master / slave.</LI>
<LI>Updated analysis classes and exMPI04 for changes in analysis.</LI>
<LI>Promoted struct G4RootMpiPNtupleDescription to class.</LI>
<LI>Renamed v.mac in vis.mac.</LI>
</UL></LI>
</UL></LI>
<LI><B>parameterisations</B>
<UL>
<LI>Applied clang-tidy fixes.</LI>
<LI><B>gflash</B>
<UL>
<LI>gflasha: use G4PhysListFactory for physics list
initialization.</LI>
<LI>gflash2: removed unused statics from DetectorConstruction
class.</LI>
<LI>Some code cleanup in gflash1,2,3,a.</LI>
</UL></LI>
<LI><B>Par03</B>
<UL>
<LI>Replaced use of deprecated functions with modern
equivalents.</LI>
</UL></LI>
<LI><B>Par04</B>
<UL>
<LI>Introduce physical readout structure in parallel world.</LI>
<LI>Set run manager type from command line.</LI>
<LI>ONNX version upgrade; verified on 1.14.</LI>
<LI>Added CUDA execution provider to run the inference on
GPU with ONNXruntime.</LI>
</UL></LI>
</UL></LI>
<LI><B>persistency</B>
<UL>
<LI><B>gdml/G01</B>
<UL>
<LI>Added comment in <TT>main()</TT> to demonstrate how to set
alternative schema file for validation while parsing a GDML
document.</LI>
</UL></LI>
<LI><B>P03</B>
<UL>
<LI>Removed visualization settings from batch macros.</LI>
</UL></LI>
</UL></LI>
<LI><B>physicslists</B>
<UL>
<LI>Removed <TT>shared</TT> module as now redundant.</LI>
</UL></LI>
<LI><B>polarisation/Pol01</B>
<UL>
<LI>Ported example to run in MT mode.
<LI>Make DetectorConstruction use <TT>GeometryHasBeenModified()</TT>
and not recreate the geometry in material definition.</LI>
<LI>Removed broken histo.mac macro.</LI>
<LI>Removed annoining printout for the default macro.</LI>
<LI>Converted classes to user defined accumulables.</LI>
<LI>Added analysis macro plotResults.C.</LI>
</UL></LI>
<LI><B>radioactivedecay</B>
<UL>
<LI>Code revision of all headers.</LI>
<LI><B>Activation</B>
<UL>
<LI>Added run.mac macro.</LI>
</UL></LI>
<LI><B>rdecay02</B>
<UL>
<LI>Added run.mac macro.</LI>
</UL></LI>
</UL></LI>
<LI><B>runAndEvent</B>
<UL>
<LI><B>RE02</B>
<UL>
<LI>Removed forward declaration of G4VTouchable.</LI>
</UL></LI>
<LI><B>RE07</B>
<UL>
<LI>Added separators in EmStandardPhysicsTrackingManager.</LI>
</UL></LI>
</UL></LI>
</UL>
<LI><B>vidualization</B>
<UL>
<LI><B>perspective</B>
<UL>
<LI>PerspectiveVisAction: fixed missing include for G4Transform3D
header.</LI>
<LI>In PerspectiveVisAction header, removed unnecessary forward
class declarations. Applied clang-format.</LI>
</UL></LI>
<LI><B>standalone</B>
<UL>
<LI>Included an example of DrawGeometry. DrawGeometryVisAction
shows how to visualise the geometry alone, i.e., without run
manager and physics.</LI>
</UL></LI>
<LI><B>vtk</B>
<UL>
<LI>New Vtk specific example demonstrating new features only
available in the VTK viewer.</LI>
</UL></LI>
</UL></LI>
</UL>
</UL>
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