# S.E. Mazzaglia May 4 2010

# Example macro file to show how to change geometric properties and voxelization of the phantom/detector

#######################
# Set of the verboses # 
#######################
#
/control/verbose 1
/tracking/verbose 0
/run/verbose 1
/event/verbose 0

##########################
# Set of the Physic models
#
#/Physics/addPhysics standard_opt3                       # Electromagnetic model
#/Physics/addPhysics elastic                             # Hadronic elastic model
#/Physics/addPhysics binary                              # Hadronic inelastic model
#/Physics/addPhysics local_ion_ion_inelastic             # Hadronic inelastic model for ions (local Physic list)
#/Physics/addPhysics radioactive_decay

#
# Or alternatively:
#
/Physics/addPhysics QGSP_BIC_EMY

# Initialize geometry and Physics 
/run/initialize

#############################
# Initialize graphic system #     
#############################
# 
/vis/scene/create
/vis/open OGL
/vis/viewer/flush
/vis/viewer/set/viewpointThetaPhi 30 140 deg
/tracking/storeTrajectory 1
/vis/scene/endOfEventAction accumulate -1 # this accumulate infinite tracks 
# zoom to phantom...
/vis/viewer/panTo 1.5 0.5
/vis/viewer/zoomTo 3

##########################
# Set here the cut and the step max for the tracking. 
# Suggested values of cut and step:
#
# Set cuts outside detector 
/Physics/setCuts 0.01 mm
# Set cuts ONLY inside detector
/Physics/setDetectorCuts 0.01 mm

/Step/waterPhantomStepMax 0.01 mm 

#########################

#########################
# Set the primary particle type,
# energy and position along the X direction
#
/gun/particle proton
/beam/energy/meanEnergy 62 MeV
/beam/energy/sigmaEnergy 400 keV
/beam/position/Xposition -2700 mm

# Copy & Paste in a new macro the previous and ONE of the following groups of commands
# in order to change the Phantom & Detector geometry!

######################################
# Change Phantom & Detector geometry #              
######################################

##########################################################################################
# Cut & paste the following commands in order to create, 
# a Phantom with a detector divided by 40 slabs
# Each slab is 0.1 mm along the X direction, 40 mm along the Y and Z.

#/changePhantom/material G4_PLEXIGLASS # in case you do not want the default phantom made of liquid water
/changePhantom/size 40 40 40 cm
/changeDetector/size 4 4 4 cm
/changeDetector/voxelSize 0.1 40 40 mm  
/changePhantom/update # update geometry!

/run/beamOn 1000