| Issue |
EPJ Web Conf.
Volume 337, 2025
27th International Conference on Computing in High Energy and Nuclear Physics (CHEP 2024)
|
|
|---|---|---|
| Article Number | 01022 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/epjconf/202533701022 | |
| Published online | 07 October 2025 | |
https://doi.org/10.1051/epjconf/202533701022
Towards an automatic geometry conversion: TGeoArbN — a ROOT-compatible triangle mesh geometry implementation
1 Helmholtz-Institut für Strahlen-und Kernphysik, University of Bonn, Germany
2 Forschungszentrum Jülich GmbH, Germany
* e-mail: salisbury@hiskp.uni-bonn.de
Published online: 7 October 2025
TGeoArbN is developed as a tool to automate the process of converting Computer Aided Design (CAD) models into ROOT geometries for physics simulations using the Virtual Monte Carlo (VMC) package. ROOT’s geometry package currently has a capability gap when it comes to handling arbitrary shapes. This, however, is central to automatically convert CAD models into simulatable ROOT geometries. To overcome this particular problem a ROOT-compatible geometry class called TGeoArbN was created to allow the use of triangle meshes in simulations using ROOT’s geometry package in combination with VMC. These triangle meshes can then be used to represent complex CAD parts without any more work needed.
© The Authors, published by EDP Sciences, 2025
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