# eqn2body_udp_1
# written by John Dannenhoffer

DESPMTR   radx      1.0   # radius of helix in x direction
DESPMTR   rady      2.0   # radius of helix in y direction
DESPMTR   pitch     0.5   # pitch
CFGPMTR   nturn     2.5   # number of turns
CFGPMTR   toler     0.01  # fitting tolerance

# generate Body
UDPARG    eqn2body    urange   0;pi(2)*nturn
UDPARG    eqn2body    xeqn     $radx*cos(u')
UDPARG    eqn2body    yeqn     $rady*sin(u')
UDPARG    eqn2body    zeqn     $pitch*u/pi(2')
UDPRIM    eqn2body

END