! Postprocessor plot of the graphs

/PLOPTS,INFO,ON
/COLOR,CURVE,WHIT,1,6 ! color for the graphs - white
! (will be black after inversion)
/COLOR,GRID,WHIT, ! color for mesh - white
! (will be black after inversion)
/PLOPTS,TITLE,OFF ! no title for the graph
/PLOPT,FRAME,OFF ! no frame
/AXLAB,X,r ! label for the X-axis (r-axis)
/AXLAB,Y, E_Z ! label for the Y-axis (z-axis)
/GROPT,DIVX,4 ! Number of divisions along X-axis
/GROPT,DIVY,4 ! Number of divisions along Y-axis
/GROPT,DIG2,1 ! Number of digits after decimal point

! Commands to define a path by a number of points
PATH,XX,4,,120

PPATH,1,,0,H/2
PPATH,2,,R1,H/2
PPATH,3,,R2,H/2
PPATH,4,,R,H/2 ! Define a variable E_Z for plotting a graph along the path
PDEF,E_Z,EF,Y ! Define other variables (if needed)
PDEF,T_ZZ,S,Y $ PDEF,T_RR,S,X
PDEF,D_Z,D,Y $ PDEF,D_R,D,X $ PDEF,E_R,EF,X
PLPATH,E_Z ! Plot a graph of E_Z along the path