NAME

helixcartmod - convert to and from cartesian/helix space


SYNOPSIS

call helix2cart(nn,i,ii)

call cart2helix(nn,ii,i)


PARAMETERS

n - <int(:)>
          cartesian axes
ii - <int(:)>
      cartesian coordinates
i - int
      helix coordinate


DESCRIPTION

 Convert to and from a helix coordinate system.


LIBRARY

geef90