Cherry-pick of MR !440 to run2-patches branch
Add switch to use or not the mother Vertex as photon origin
See merge request !440 (merged)
(cherry picked from commit 64ba95d9)
42894f46 'add switch to use or not the mother Vertex as photon origin'
Add switch to use or not the mother Vertex as photon origin
See merge request !440 (merged)
(cherry picked from commit 64ba95d9)
42894f46 'add switch to use or not the mother Vertex as photon origin'