# 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 QGSP_BIC_EMY

# Initialize geometry and physic 
/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 the detector
/run/setCut 0.01 mm
# Set cuts ONLY inside the detector
/run/setCutForRegion DetectorLog 0.01 mm 

/Step/waterPhantomStepMax 1 mm 
#########################

#########################
# Set the primary particle type,
# energy and position along the X direction
#

#---------------------------gps-----------------
/gps/pos/shape Circle
/gps/pos/centre -310. 0. 0. cm
/gps/pos/radius 0. mm
/gps/pos/sigma_r 2. mm
/gps/particle proton
/gps/pos/type Beam


# the incident surface is in the y-z plane

/gps/pos/rot1 0 1 0
/gps/pos/rot2 0 0 1


# the beam energy is in gaussian profile
#
/gps/ene/type Gauss
/gps/energy 62 MeV
/gps/ene/sigma 300 keV
/gps/direction 1 0 0
####################################
# Change Phantom/Detector geometry #
####################################
##########################################################################################
# Cut & paste the following commands in order to create, starting from the default sizes, 
# a full voxellized (40 by 40 by 40) detector

/changePhantom/size 4 4 4 cm
/changeDetector/size 4 4 4 cm
/changeDetector/voxelSize 1 1 1 mm
# Put the detector in the lower left corner of the phantom
/changeDetector/displacement 0 0 0
/changePhantom/update
##########################################################################################

/run/beamOn 1000