Executive Minutes of the Geant4 Technical Steering
10th June 1999
John Allison (chairman), John Apostolakis, Frank Behner,
Gunter Folger, David Jacobs, Hisaya Kurashige, Michel Maire,
Maria Grazia Pia, Florence Ranjard, Peter Truscott, Hans-Peter Wellisch
Katsuya Amako, Makoto Asai, Takashi Sasaki; Peter Gumplinger; Marc Verderi
Gabriele Cosmo; Satoshi Tanaka; Hajime Yoshida
The minutes of last TSB meeting were approved.
John Allison thanked the people who were contributing to the
release, with a special mention to the contribution by Hajime Yoshida, who
had been running the Geant4 examples for testing purposes.
It was reported that they were in place.
The interface consists of a set of include files, that are RW-emulation
wrappers for STL include, and it only covers what is needed to run
Geant4. Debugging was still in progress.
It was asked to define a clear policy about STL use in the
future, as this would affect all the developments already in progress for
the next release.
After a thorough discussion the TSB decided that from the next
4.1 release on the STL version will be supported only.
System Testing Report
The system testing for the 4.0.1 release was still
in progress. It was decided to have a meeting after the release to review the
It was remarked that manpower had been deducted from the Hadronic
Working Group to be extensively employed in the System Testing. It was
suggested to make a better use of the existing resources belonging to the
Random Number Status Storing
It was decided not to introduce any new features concerning the random number
status into the 4.0.1 release; they will be postponed to the next release.
CLHEP version 1.4 is required for the Geant4.0.1 release.
Distribution of libraries
It was decided to distribute libraries with some verbose capability, useful
for debugging; they will not be the fastest. As part of the release distribution,
it will be documented what kind of libraries are distributed and how
to build the fastest libraries.
Geant4 visualization is quite stable; code refinements have been the major
work recently. The implementation of functionality for
DTREE and improvements in saving pictures were requested.
An extensive overview of the work in progress or planned to start in the near
future was presented.
It was reported that significant amounts of manpower foreseen for
FTF model and string fragmentation were diverted to support tasks by the
spokesman, while on critical path.
Two collaborators (A. Feliciello and C. Dallapiccola) have choosen to not
continue their work on Geant4. The responsibilities they had taken in the
Hadronic Working Group are delayed accordingly.
The Sector Shielding Analysis Tool was released at beta02; the
Radioactive Decay Module and the CAD Front-end Tool are in progress; low
energy extensions of the electromagnetic processes down to 250 eV are
There has been growing interest among various INFN
experimental groups about the Geant4 Low Energy project, and possibilites of
collaboration were being considered.
Various use of Geant4 in CMS was reported, including the
progress with the simulation of the full detector.
A growing interest in Italy about Geant4 was reported.
Larry Felawka will quit Geant4; a new student will join.
It was decided that an Example subgroup will be listed as part of the
Documentation Working Group, with Makoto Asai taking the responsibility
for the coordination of the examples.
It was decided that the Detector Response and Persistency Working Group would
become the Persistency Working Group, while the Detector Response part would
go into the Event and Run Working Group.
It was agreed not to modify the MoU itself, but to record changes as addenda.
It was observed that there has been a recruitement into the System
Testing of collaborators from other working groups, while several members of
the Testing Working Groups did not seem to be active.
Migration to ISO C++ standard
It was decided to postpone the discussion to a later TSB.
Tracking in parallel geometries
A proposal was presented. It was requested to further discuss the
technical issues with the Geometry group and other collaborators from
Japan involved in related domains.
The web task force had had various meetings since the last TSB; new web pages
Distribution of the TSB minutes
It was decided that the internal TSB minutes will be distributed by email only
and will not be posted on the web.
The following applications were presented and accepted:
CMS: R. Gokieli (affiliation to be verified)
IGD: Elvio Di Salvo and Lorenzo Bellagamba (Hadronic Physics Working Group),
Marisa Luvisetto and Enzo Ugolini (Software Management Working Group)
Two collaborators have stopped their participation: C. Dallapiccola (Common)
and A. Feliciello (IGD).
The discussion about the next release was postponed to the next TSB
Next TSB meeting
It will take place during the Geant4 workshop at ESTEC.
Maria Grazia Pia,
10 August 1999