27 Sep. 2006 Hajime Yoshida - Lesson1.py as before - Lesson1withN03.py with the physics list of N03 - Lesson2Wx.py N03 physics list AND wxPython GUI 09 March 2006 Hajime Yoshida The first version of mass attenuation coefficient - Lesson1.py select absorber material set its thickness upto 500 mm select beam particle set its energy upto 100 MeV set nu of events up to 100 run and then zoom in (x1.1) or zoom out (x0.9) execute any G4 command but /gun/particle or /gun/energy which are defined by the above -oglx.mac OGLSX => important to make zooming effective after showing trajectories -gun.mac