1 #ifndef _PhotosEvent_h_included_ 
    2 #define _PhotosEvent_h_included_ 
   35         virtual void print() = 0;
 
   41         vector<PhotosParticle *> 
filterParticles(vector<PhotosParticle *> particles);
 
vector< PhotosBranch * > m_branch_points
vector< PhotosParticle * > filterParticles(vector< PhotosParticle * > particles)
virtual vector< PhotosParticle * > getParticleList()=0