!TITLE,'Test input for PTC_TWISS'; !=========== RING PARAMETERS =========================================== call, file = "../share/ring_lattice/ring.seq"; ! At the end of the ring the data_block is produced SAVEBETA, label=TWSSip, place=#E,sequence=fivecell; select,flag=twiss,column=name,s,betx,bety,dx,dy; TWISS,file=twiss_madx_ring; SHOW,TWSSip; ! SHOW parameters (see "*.out" file) ! Initialize PTC ptc_create_universe; ptc_create_layout,model=2,method=6,nst=10,exact; ptc_align; select,flag=ptc_twiss,column=name,s,beta11,beta21, beta12,beta22,disp1,disp3,x,px,y,py; ptc_twiss,closed_orbit,icase=5,file=twiss_ptc_ring,no=1; PTC_NORMAL,closed_orbit,maptable,icase=5,no=1; ptc_end; !write,table="map_table",file="map_table"; write,table="map_table",file="ring_matrix_at_end"; !=========== TRANSFER-LINE PARAMETERS ==================================== call, file = "../share/line_lattice/line.seq"; select,flag=ptc_twiss,clear; select,flag=ptc_twiss,column=name,s,beta11,beta21,beta12,beta22,disp1,disp3; ptc_create_universe; ptc_create_layout,model=2,method=6,nst=5,exact; ! Example 2: Input twiss parameters manually ============================== ptc_twiss,icase=5,no=1, betx=177.6823337,bety=32.05718846,alfx=-2.411683347,alfy=0.4797516839, dx=2.176379444,dpx=0.02964538223,mux=1.254518853,muy=1.25446531, x= 8.897806712109201E-05,px=7.283918352660537E-07, y=5.216050332314255E-05, py=-6.748041062611770E-07, file=twiss_ptc_line; ptc_end; stop;