
plpoin3:  Plots a character at the specified points in 3 space 

DESCRIPTION:

    This function is used in example 18. 

SYNOPSIS:

plpoin3(n, x, y, z, code)

ARGUMENTS:

    n (PLINT, input) :      Number of points to be marked. 

    x (PLFLT *, input) :    Pointer to array with x coordinates of the
    points. 

    y (PLFLT *, input) :    Pointer to array with y coordinates of the
    points. 

    z (PLFLT *, input) :    Pointer to array with z coordinates of the
    points. 

    code (PLINT, input) :    Code number for the symbol to be plotted. 
