Here is a list of all files with brief descriptions:

B0pF_geo.cpp
Beampipe_geo.cpp
CalorimeterHit.cc
CalorimeterHit.h
CalorimeterHitCollection.cc
CalorimeterHitCollection.h
CalorimeterHitConst.cc
CalorimeterHitConst.h
CalorimeterHitData.h
CalorimeterHitObj.cc
CalorimeterHitObj.h
pid/compact/scripts/cherenkov_xy_plot.cxx
trackers/compact/scripts/cherenkov_xy_plot.cxx
clipp.h
crab_geo.cpp
Crystal_geo.cpp
CrystalEndcapECAL_geo.cpp
CylindricalDipoleMagnet_geo.cpp
CylindricalEndcapCalorimeter_geo.cpp
dd_web_display.cxx
DDG4.py
pid/compact/scripts/debug_sim.py
trackers/compact/scripts/debug_sim.py
EcalBarrel_geo.cpp
EICInteractionVertexBoost.cxx
EICInteractionVertexBoost.h
EICInteractionVertexSmear.cxx
EICInteractionVertexSmear.h
EndcapECAL_geo.cpp
example_Acts.cxx
ForwardPlaneTracker_geo.cpp
FourVector.h
GaplessGEMTrackerDisc_geo.cpp
gbl_example.cxx
Geant4Output2Podio.cxx
Geant4Output2Podio.h
Geant4Particle.cc
Geant4Particle.h
Geant4ParticleCollection.cc
Geant4ParticleCollection.h
Geant4ParticleConst.cc
Geant4ParticleConst.h
Geant4ParticleData.h
Geant4ParticleObj.cc
Geant4ParticleObj.h
GEMTrackerDisc_geo.cpp
GenericRICH_geo.cpp
GenericShape_geo.cpp
GenericSiliconTrackerBarrel_geo.cpp
GenericTrackerBarrel_geo.cpp
HeavyGasCherenkov_geo.cpp
helical_dipole_magnet_geo.cpp
HexagonalScintPreShower_geo.cpp
HexagonalShashlykSamplingECAL_geo.cpp
IRChamber_geo.cpp
LinkDef.h
load_geo.cxx
MonteCarloContrib.h
MyTrackerHit.cpp
MyTrackerHit.h
MyTrackerSDAction.cpp
NPDet-config.cxx
npdet_fields.cxx
npdet_to_gdml.cxx
npdet_to_step.cxx
npdet_to_teve.cxx
PhotoMultiplierHit.cc
PhotoMultiplierHit.h
PhotoMultiplierHitCollection.cc
PhotoMultiplierHitCollection.h
PhotoMultiplierHitConst.cc
PhotoMultiplierHitConst.h
PhotoMultiplierHitData.h
PhotoMultiplierHitObj.cc
PhotoMultiplierHitObj.h
PhotoMultiplierSDAction.cpp
PMTHit.cpp
PMTHit.h
PolyhedraEndcapCalorimeter2_geo.cpp
PolyhedraEndcapCalorimeter3_geo.cpp
quad_magnet_geo.cpp
RomanPot_geo.cpp
RPC_sim_7.f
ScintillatingTileEndcapHCAL_geo.cpp
pid/compact/scripts/SiD_Markus.py
trackers/compact/scripts/SiD_Markus.py
SiDigiHitInfo.h
SiliconTrackerBarrel_geo.cpp
pid/compact/scripts/sim_test.py
trackers/compact/scripts/sim_test.py
simple.cxx
SimpleBeamlineMagnet_geo.cpp
SimpleCalorimeterDigi.cpp
SimpleCalorimeterDigi.h
SimpleRomanPot_geo.cpp
SimpleSiTrackerDigi.cpp
SimpleSiTrackerDigi.h
SiTrackerBarrel_geo.cpp
SiTrackerRomanPot_geo.cpp
ThreeVector.h
ThresholdGasCherenkov_geo.cpp
TrackerHit.cc
TrackerHit.h
TrackerHitCollection.cc
TrackerHitCollection.h
TrackerHitConst.cc
TrackerHitConst.h
TrackerHitData.h
TrackerHitObj.cc
TrackerHitObj.h
beamline/compact/scripts/vis_test.py
pid/compact/scripts/vis_test.py
trackers/compact/scripts/vis_test.py
ZDC_geo.cpp
ZeroDegreeCAL_geo.cpp