Speaker
Dr
Ivana Hrivnacova
(IPN, Orsay, France)
Description
The Virtual Geometry Model (VGM) was introduced at CHEP in 2004,
where its concept, based on the abstract interfaces to geometry
objects, has been presented. Since then, it has undergone a
design evolution to pure abstract interfaces, it has been consolidated
and completed with more advanced features. Currently it is used
in Geant4 VMC for the support of TGeo geometry definition with
Geant4 native geometry navigation and recently it has been used
in the validation of the G4Root tool.
The implementation of the VGM for a concrete geometry model
represents a small layer between the VGM and the particular
native geometry. In addition to the implementations for Geant4
and Root TGeo geometry models, there is now added the third one
for AGDD, which together with the existing XML exporter makes the
VGM the most advanced tool for exchanging geometry formats providing
9 ways of conversions between Geant4, TGeo, AGDD and GDML models.
In this presentation we will give the overview and the present
status of the tool, we will review the supported features
and point to possible limits in converting geometry models.
Summary
We will give the overview and the present status of the Virtual Geometry Model.
Primary author
Dr
Ivana Hrivnacova
(IPN, Orsay, France)
Co-author
Dr
Brett Viren
(Physics Department, BNL)
