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ggems/README.md

GGEMS

website: https://ggems.fr

forum: https://forum.ggems.fr

Description

GGEMS is an advanced Monte Carlo simulation platform using the OpenCL library managing CPU and GPU architecture. GGEMS is fully developed in C++ and accessible via Python command line. Well-validated Geant4 physic models are used in GGEMS and implemented using OpenCL. The aim of GGEMS is to provide a fast simulation platform for imaging application (CT/CBCT for moment) and particle therapy. To favor speed of computation, GGEMS is not a very generic platform as Geant4 or GATE. For very realistic simulation with lot of information results, Geant4 and GATE are still recommended.

GGEMS features:

  • Photon particle tracking
  • Multithreaded CPU
  • GPU (NVIDIA or Intel HD Graphics)
  • Multi devices (GPUs+CPU) approach
  • Single or double float precision for dosimetry application
  • External X-ray source
  • Voxelized source
  • Navigation in simple box volume, voxelized volume or meshed volume
  • Flat or curved detector for CBCT/CT application
  • Visualisation using OpenGL

Requirements

GGEMS is a multi-architecture application using OpenCL.

OpenCL v3.0 must be installed on your system. This OpenCL version could be downloaded from CUDA Toolkit 12.6.

Supported and tested operating system:

  • Windows 11
  • Ubuntu 24.04 LTS

Tested compilers:

  • GNU Compiler Collection (GCC) Version 13.3 for Linux
  • Clang version 18.1.3 for Linux
  • Visual C/C++ Compiler Version 19.44 or 19.50 for x64 for Windows

Installation

GGEMS can be install on Linux or Windows system using setuptools. Simply use the following command in the GGEMS directory:

foo@bar~: python setup.py build_ext --opengl=ON install

For more details, please read the installation recommendation https://doc.ggems.fr/v1.3/building_and_installing.html

Copyright

GGEMS is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

GGEMS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with GGEMS. If not, see https://www.gnu.org/licenses.

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