Draw connecting lines and indices in the viewports for lists of points.

Input parameters:

1. Pt → Point list to display.
2. Ps → Styling of point display.
   • 0 → None
   • 1 → Circle
   • 2 → Index
   • 3 → Fraction
3. Ls → Styling of line display.
   • 0 → None
   • 1 → Line
   • 2 → TipArrow
   • 3 → MidArrow