/control/verbose 2
/run/initialize
/PhotIn/verbose 1
/run/dumpRegion
/run/beamOn 1 
##
##
#/PhotIn/numberOfLayers 4
#/run/dumpRegion
#/run/beamOn 1 
##
##
#/PhotIn/setGapMat Water
#/run/dumpRegion
#/run/beamOn 1