source: PSPA/madxPSPA/tests/test-ptc-twiss-old2/test-ptc-twiss-old2.madx

!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;