Extended geometry input and output geant4
The project now requires Open CASCADE Technology (OCCT) in addition to the existing Geant4, CGAL, Eigen3, and Catch2 dependencies. The build expects an OCCT installation that provides the CMake config package OpenCASCADEConfig.cmake; if your OCCT installation is in a non-standard prefix, set OpenCASCADE_DIR when configuring the project.
G4CADReader now uses Open CASCADE Technology (OCCT) to load CAD files before they are converted into Geant4 geometry. The reader supports:
- STEP (
.step,.stp) - IGES (
.iges,.igs) - BREP (
.brep)