c      Ryu & Jones, Fig. 4b
c
 $rpcon     rhoL=0.4, pL=0.52467, vxL=-0.66991, vyL=0.98263, vzL=0.0
          , byL=0.0, bzL=0.0, bx0=1.3
          , rhoR=1.0, pR=1.0, vxR=0.0, vyR=0.0, vzR=0.0
          , byR=1.0, bzR=0.0
          , psi0=4*0.1, tag='4b', aspect=0.9, dpsi0=1.0e-6
          , phdr="Ryu & Jones (1995), Figure 4b", iftr=1               $
