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- Three levels of API?
- Low level (equivalent to Geant4 geometry objects)
- Initially dumb objects, sufficient to create Geant4 geometry
- Medium level (similar to GEAR::Vertex::API)
- High level (allows finding which detectors exist)
- Low level (equivalent to Geant4 geometry objects)
- have collection of driver classes
- one subdetector level
- gcj comliant Java ( to be called from C++/Marlin)
- read in 'free format' from parameters from xml elements
- should probably be similar to compact/gear
- create "queue" of geometry instructions
- logical volumes
- physical volumes
- placements
- material
- etc
- have converters that go through queue of instructions adn and create
- G4Detector
- HepRep
- GDML / LCDD
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