source: PSPA/madxPSPA/tests/test-ptc-twiss-old7/test-ptc-twiss-old7.madx @ 430

!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=my_sect_table,! added 16:10
!column=name,pos,k1,r1,r36,t1,t216; ! added 16:10
!sectormap,sectortable=my_sect_table,sectorfile=my_sect_file; ! added 16:10

select,flag=twiss,column=name,s,betx,bety,dx,dy; ! dx, dy are dispersions
TWISS,centre,file=twiss_madx_ring; ! jluc : centre

SHOW,TWSSip;     ! SHOW parameters (see "*.out" file)

! added 20 nov 2008:
plot vaxis1=betx,vaxis2=dx,haxis=s;

! Initialize PTC
ptc_create_universe;
ptc_create_layout,model=2,method=6,nst=10,exact;
!ptc_create_layout,model=2,method=6,nst=1,exact; ! steps pb more apparent
!ptc_create_layout,model=2,method=6,nst=4,exact; ! looks like 2 is minimum to split the element at the middle...
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,summary_file=twiss_ptc_summary,no=4;
ptc_twiss,closed_orbit,icase=5,slice_magnets,file=twiss_ptc_ring_slices,no=4;

PTC_NORMAL,closed_orbit,maptable,icase=5,no=4;

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=4, 
          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;