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# DD4hep (Detector Description for High Energy Physics)
[](https://scan.coverity.com/projects/DD4hep)
[](https://zenodo.org/badge/latestdoi/60682190)
DD4hep is a software framework for providing a complete solution for full detector description (geometry, materials, visualization, readout, alignment, calibration, etc.) for the full experiment life cycle (detector concept development, detector optimization, construction, operation). It offers a consistent description through a single source of detector information for simulation, reconstruction, analysis, etc. It distributed under the [LGPLv3 License](http://www.gnu.org/licenses/lgpl-3.0.en.html)
[](https://www.gnu.org/licenses/lgpl-3.0.en.html)
## Pre-requisites and installation
For information about how to install DD4hep see [this page](https://dd4hep.web.cern.ch/dd4hep/page/installation/)
User's Manuals can be found [here](https://dd4hep.web.cern.ch/dd4hep/page/users-manual/).
The Code Reference can be found [here](https://dd4hep.web.cern.ch/dd4hep/reference/).
Comprehensive release notes can be found under `doc/ReleaseNotes.md`
## License and Copyright
Copyright (C), Organisation européenne pour la recherche nucléaire (CERN)
DD4hep is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
DD4hep 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License long with this program. If not, see [https://www.gnu.org/licenses/](https://www.gnu.org/licenses/).