TY  - CONF
AU  - Neuhaus, Simon
AU  - Shiroya, Mehulkumar
AU  - Singh, Omveer
AU  - Dahm, Patrick
TI  - Experiences from the CBM collaboration: CAD to ROOT conversion for Detector Geometries
JO  - The European physical journal / Web of Conferences
VL  - 337
SN  - 2100-014X
CY  - Les Ulis
PB  - EDP Sciences
M1  - GSI-2026-00240
SP  - 01268
PY  - 2025
N1  - This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0
AB  - Fully automated conversion from CAD geometries directly into their ROOT geometry equivalents is a topic of wide interest in particle physics experiment communities for some time. Tessellation of the surface of an intricate geometry is a powerful approach towards this goal, by potentially providing a shared geometrical representation with very good convergence even for the case of complex geometries. However, using tessellated geometries also requires significant computational effort for particle tracking inside and through tessellated objects.In this paper, we first discuss the experiment and the methodology involved in tessellation and conversion. We report on the application and first experience of using two different software approaches. The two tools, VecGeom and TGeoArbN, were used for simulation of the same tessellated subdetector component. Our observations in this simulation with respect to obtained results and simulation speed are reported along with our general observation about the handling of these tools.
T2  - 27th International Conference on Computing in High Energy and Nuclear Physics (CHEP 2024)
CY  - 21 Oct 2024 - 25 Oct 2024, Krakow (Poland)
Y2  - 21 Oct 2024 - 25 Oct 2024
M2  - Krakow, Poland
LB  - PUB:(DE-HGF)16 ; PUB:(DE-HGF)8
DO  - DOI:10.1051/epjconf/202533701268
UR  - https://repository.gsi.de/record/364060
ER  -