G3toG4 package translates fully-derived Geant3 (G3) geometries into Geant4 (G4) representation and also provides two sample G4 implementations

different modes of operation:

• on-the-fly conversion of Geant3 code (mztog4 mechanism)
• Geant3 RZ file conversion (rztog34 standalone program)

two output products:

• automatically generated C++ code compiled into a G4 program to generate the geometry
• language-neutral call list file which is subsequently read by an embedded call list interpreter to generate the appropriate G4 calls

In the latter method, geometry may be changed at runtime without having to recompile/relink