_Geant4 Version:_geant4-11-03
_Operating System:_ubuntu
_Compiler/Version:_clang10.0.0
_CMake Version:_3.31
I have configured the particle emission source as follows in the .mac file.But no matter how I modify the values of rot1 and rot2, the particle’s emission direction has not changed. How should I set it to change the particle’s emission direction? Currently, the particle’s emission direction is exactly opposite to what I expect
/gps/particle gamma
/gps/ene/type Mono
/gps/ene/mono 6.0 MeV
/gps/pos/type Plane
/gps/pos/shape Rectangle
/gps/pos/halfx 2.31 cm
/gps/pos/halfy 1.5 cm
/gps/pos/centre 0 0 -600 mm
/gps/ang/type planar
/gps/ang/rot1 1 0 0
/gps/ang/rot2 0 -1 0